CN206283280U - A kind of power supply management device - Google Patents
A kind of power supply management device Download PDFInfo
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- CN206283280U CN206283280U CN201621345182.7U CN201621345182U CN206283280U CN 206283280 U CN206283280 U CN 206283280U CN 201621345182 U CN201621345182 U CN 201621345182U CN 206283280 U CN206283280 U CN 206283280U
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Abstract
The utility model provides a kind of power supply management device, including：Switch unit is connected with externally fed equipment, battery power supply unit and at least one converting unit respectively, and battery is connected with battery power supply unit；Switch unit, for when the first power supply signal of externally fed equipment input is received, the first power supply signal is exported at least one converting unit, when the second power supply signal for being not received by externally fed equipment the first power supply signal being input into and receiving battery power supply unit input, the second power supply signal is exported at least one converting unit；Battery, for exporting cell electric signal to battery power supply unit；Battery power supply unit, for the cell electric signal being input into according to battery, second power supply signal is exported to switch unit；Converting unit, for the first power supply signal or the second power supply signal that are input into according to switch unit, output voltage values are the electric signal of the corresponding preset voltage value of the converting unit.This programme can improve the reliability of power supply.
Description
Technical field
The utility model is related to electronic technology field, more particularly to a kind of power supply management device.
Background technology
On circuit boards, power supply management device is generally provided with, is each on circuit board by power supply management device
Power unit is powered.
In the prior art, the electric signal of power supply management device primary recipient outside input, the electric signal of outside input is turned
Voltage required for changing power unit into, and then for power unit provides corresponding voltage.Wherein, power supply pipe of the prior art
Typically only a kind of source of electric signal of the outside input of device is managed, if the source is broken down, power supply management device is with regard to nothing
Voltage required for method output power unit.For example, power supply management device receives the electric signal of outside civil power input, by city
Electricity is converted into 5v voltages, and when civil power is powered off, power supply management device cannot just work, it is impossible to export 5v voltages.
Visible by foregoing description, the reliability of power supply management device of the prior art is relatively low.
Utility model content
The utility model embodiment provides a kind of power supply management device, it is possible to increase the reliability of power supply.
The utility model provides a kind of power supply management device, including：
Switch unit, battery, battery power supply unit and at least one converting unit；
The switch unit is single with externally fed equipment, the battery power supply unit and at least one conversion respectively
Unit is connected, and the battery is connected with the battery power supply unit；
The switch unit, for when the first power supply signal of the externally fed equipment input is received, to described
At least one converting unit exports first power supply signal, when being not received by described the of the externally fed equipment input
One power supply signal and when receiving the second power supply signal of battery power supply unit input, at least one converting unit
Export second power supply signal；
The battery, for exporting cell electric signal to the battery power supply unit；
The battery power supply unit, for the cell electric signal being input into according to the battery, to the switch unit
Export second power supply signal；
The converting unit, for first power supply signal being input into according to the switch unit or second power supply
Signal, output voltage values are the electric signal of the corresponding preset voltage value of the converting unit.
Further, the device is further included：
Processor, is connected with the battery power supply unit, for sending conversion signal to the battery power supply unit；
The battery power supply unit, it is for when the conversion signal that the processor is sent is received, the battery is defeated
The cell electric signal for entering is converted to second power supply signal.
Further, the switch unit, including：
First metal-oxide-semiconductor, the drain electrode of first metal-oxide-semiconductor is connected with the battery power supply unit, the source of first metal-oxide-semiconductor
Pole is connected with least one converting unit, and second power supply signal is received by the drain electrode of first metal-oxide-semiconductor；
First diode, the positive pole of first diode is connected with the externally fed equipment, first diode
Negative pole be connected with the source electrode of first metal-oxide-semiconductor, first power supply signal is received by the positive pole of first diode；
First resistor, the first end of the first resistor is connected with the grid of first metal-oxide-semiconductor, the first resistor
Second end is connected with the positive pole of first diode；
First electric capacity, the first end of first electric capacity is connected with the first end of the first resistor, first electric capacity
The second end be connected with the second end of the first resistor.
Further, the device is further included：Battery charging management unit；
The processor and the battery charging management unit are connected with the battery；
The processor, is further used for detecting the electricity of the battery, when detect the electricity of the battery less than etc.
When default power threshold, charging signals are sent to the battery charging management unit；
The battery charging management unit, for when the charging signals that the processor is sent are received, to institute
Battery is stated to be charged.
Further, the converting unit includes：
Step-down conversion chip, the input pin of the step-down conversion chip is connected with the switch unit, for receiving
State first power supply signal or second power supply signal of switch unit input；
Inductance, the first end of the inductance is connected with the output pin of the step-down conversion chip, and the second of the inductance
The electric signal of the corresponding preset voltage value of the end output converting unit；
Second electric capacity, the positive pole of second electric capacity is connected with the input pin, the negative pole ground connection of second electric capacity；
3rd electric capacity, the first end of the 3rd electric capacity is connected with the input pin, the second end of the 3rd electric capacity
Ground connection；
4th electric capacity, the first end of the 4th electric capacity is connected with the input pin, the second end of the 4th electric capacity
Ground connection；
Second resistance, the first end of the second resistance is connected with the enable pin of the step-down conversion chip, and described the
Second end of two resistance is connected with the input pin；
3rd diode, the negative pole of the 3rd diode is connected with the output pin of the step-down conversion chip, described
The plus earth of the 3rd diode；
5th electric capacity, the first end of the 5th electric capacity is connected with the second end of the inductance, and the of the 5th electric capacity
Two ends are grounded；
6th electric capacity, the first end of the 6th electric capacity is connected with the second end of the inductance, and the of the 6th electric capacity
Two ends are grounded；
3rd resistor, the first end of the 3rd resistor is connected with the second end of the inductance, and the of the 3rd resistor
Two ends are connected with the feedback pin of the step-down conversion chip；
4th resistance, the first end of the 4th resistance is connected with the second end of the 3rd resistor, the 4th resistance
The second end ground connection.
Further, at least one converting unit, including：First converting unit, for according to the switch unit
First power supply signal or second power supply signal of output, output voltage values are the 3rd power supply signal of 3.3v.
Further, at least one converting unit, including：Second converting unit, for according to the switch unit
First power supply signal or second power supply signal of output, output voltage values are the 4th power supply signal of 5v.
Further, the device is further included：Power supply output unit, is the 5th power supply letter of 12v for output voltage
Number；
The power supply output unit, including：
Second diode, the positive pole of second diode is connected with the externally fed equipment, second diode
Negative pole with it is described power supply output unit power supply output end be connected；
Second metal-oxide-semiconductor, the grounded-grid of second metal-oxide-semiconductor, the source electrode of second metal-oxide-semiconductor and the power supply output end
It is connected, the drain electrode of second metal-oxide-semiconductor is connected with the battery power supply unit；
Wherein, first power supply signal is received by the positive pole of second diode, by second metal-oxide-semiconductor
Drain electrode receives second power supply signal, and it is 12v's that first power supply signal and second power supply signal are magnitude of voltage
Electric signal.
Further, the battery power supply unit, including：
Control triode, the base stage of the control triode is connected with the processor, the transmitting of the control triode
Pole is grounded, and the conversion signal is received by the base stage of the control triode；
3rd metal-oxide-semiconductor, the grid of the 3rd metal-oxide-semiconductor is connected with the colelctor electrode of the control triode, the 3rd MOS
The source electrode of pipe is connected with the battery；
Conversion chip, the input of the conversion chip is connected with the drain electrode of the 3rd metal-oxide-semiconductor, for receiving
When stating the cell electric signal that the drain electrode of the 3rd metal-oxide-semiconductor is sent, second power supply signal is exported.
Further, the device is further included：At least one serial ports, each described serial ports is connected with the processor.
Further, the device is further included：At least one GPIO (General Purpose Input Output,
Universal input is exported) interface, each described GPIO interface is connected with the processor.
Further, the device is further included：At least one ISP (In-System Programming, on-line system
It is programmable) interface, each described ISP interface is connected with the processor.
Further, the device is further included：At least one LVDS (Low-Voltage Differential
Signaling, low-voltage differential signal) interface, each described LVDS interface is connected with the processor.
Further, the device is further included：Four serial ports, GPIO interface, a LVDS interface and a mainboards connect
Mouthful；
Four serial ports, a GPIO interface and a LVDS interface are connected with the processor；
The input pin and output pin of each serial ports are connected with the mainboard interface；
Each input and output pin of the GPIO interface is connected with the mainboard interface；
The output output pin and enable pin of the LVDS interface are connected with the mainboard interface.
In the utility model embodiment, switch unit receive respectively the first power supply signal that externally fed equipment sends and
The second power supply signal that battery power supply unit is sent, switch unit exports the first power supply signal or the second confession to each converting unit
Electric signal, converting unit is that the converting unit is corresponding according to the first power supply signal or the second power supply signal output voltage values
The electric signal of preset voltage value, as long as any one can be normally to switch unit in externally fed equipment and battery power supply unit
Input power supply signal, each converting unit can be input into corresponding electric signal for other equipment is powered, and improve the reliability of power supply
Property.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are these
Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic diagram of power supply management device that the embodiment of the utility model one is provided；
Fig. 2 is the schematic diagram of another power supply management device that the embodiment of the utility model one is provided；
Fig. 3 is the schematic diagram of another power supply management device that the embodiment of the utility model one is provided；
Fig. 4 is the schematic diagram of another power supply management device that the embodiment of the utility model one is provided；
Fig. 5 is a kind of schematic diagram of converting unit that the embodiment of the utility model one is provided；
Fig. 6 is that the embodiment of the utility model one provides also a kind of schematic diagram of power supply management device.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments, based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made all belongs to
In the scope of the utility model protection.
The utility model embodiment provides a kind of power supply management device, including：
Switch unit, battery, battery power supply unit and at least one converting unit；
The switch unit is single with externally fed equipment, the battery power supply unit and at least one conversion respectively
Unit is connected, and the battery is connected with the battery power supply unit；
The switch unit, for when the first power supply signal of the externally fed equipment input is received, to described
At least one converting unit exports first power supply signal, when being not received by described the of the externally fed equipment input
One power supply signal and when receiving the second power supply signal of battery power supply unit input, at least one converting unit
Export second power supply signal；
The battery, for exporting cell electric signal to the battery power supply unit；
The battery power supply unit, for the cell electric signal being input into according to the battery, to the switch unit
Export second power supply signal；
The converting unit, for first power supply signal being input into according to the switch unit or second power supply
Signal, output voltage values are the electric signal of the corresponding preset voltage value of the converting unit.
In the utility model embodiment, switch unit receive respectively the first power supply signal that externally fed equipment sends and
The second power supply signal that battery power supply unit is sent, switch unit exports the first power supply signal or the second confession to each converting unit
Electric signal, converting unit is that the converting unit is corresponding according to the first power supply signal or the second power supply signal output voltage values
The electric signal of preset voltage value, as long as any one can be normally to switch unit in externally fed equipment and battery power supply unit
Input power supply signal, each converting unit can be input into corresponding electric signal for other equipment is powered, and improve the reliability of power supply
Property.
As shown in figure 1, a kind of power supply management device that the utility model embodiment is provided, including：
Switch unit 101, battery 102, battery power supply unit 103, converting unit 104 and converting unit 105；
Switch unit 101 respectively with externally fed equipment, battery power supply unit 103, converting unit 104 and converting unit
105 are connected, and battery 102 is connected with battery power supply unit 103.
In the utility model embodiment, battery can be the lithium battery of 7.4v.First power supply signal and the second power supply letter
Number can all be the direct current of 12v, externally fed equipment can be the power supply adaptor of 12v.Switch unit can be by socket
It is connected with externally fed equipment.First termination externally fed equipment of socket, the second end ground connection, in the first end of socket and second
Can connect the resistance of 100K Ω and 15K Ω between end.Processor is connected between the two resistance, is that processor is powered.
In addition, converting unit 104 here can be the first converting unit in the utility model embodiment, turning here
It can be the second converting unit in the utility model embodiment to change unit 105.
Based on a kind of power supply management device shown in Fig. 1, as shown in Fig. 2 in the embodiment of the utility model one, the device
Further include：
Processor 201, is connected with the battery power supply unit 103, is changed for being sent to the battery power supply unit 103
Signal；
The battery power supply unit 103, for when the conversion signal that the processor 201 is sent is received, by described in
The cell electric signal of the input of battery 102 is converted to second power supply signal.
In the utility model embodiment, control battery power supply unit whether to export the second power supply by processor and believe
Number.Here processor can be ATmega328P.
The device can also include：Crystal oscillator unit, for providing clock signal for processor；
Crystal oscillator unit includes：
Crystal oscillator, the two ends of crystal oscillator are connected with two pins of processor respectively；
The electric capacity of 22pF is connected between the first end and ground of crystal oscillator, the electricity of 22pF is connected between the second end of crystal oscillator and ground
Hold.
The device can also include：
The four in parallel electric capacity of 0.1 μ F between 20 pins and ground of processor.
Based on a kind of power supply management device shown in Fig. 2, as shown in figure 3, in the embodiment of the utility model one, the device
Further include：Battery charging management unit 301；
The processor 201 and the battery charging management unit 301 are connected with the battery 102；
The processor 201, is further used for detecting the electricity of the battery, when the electricity for detecting the battery is less than
During equal to default power threshold, charging signals are sent to the battery charging management unit 301；
The battery charging management unit 301, for receiving the charging signals that the processor 201 is sent
When, the battery is charged.
In the utility model embodiment, under the control of a processor, battery charging management unit can be according to battery
Electricity comes neatly for battery charges.
In the embodiment of the utility model one, the switch unit, including：
First metal-oxide-semiconductor, the drain electrode of first metal-oxide-semiconductor is connected with the battery power supply unit, the source of first metal-oxide-semiconductor
Pole is connected with least one converting unit, and second power supply signal is received by the drain electrode of first metal-oxide-semiconductor；
First diode, the positive pole of first diode is connected with the externally fed equipment, first diode
Negative pole be connected with the source electrode of first metal-oxide-semiconductor, first power supply signal is received by the positive pole of first diode；
First resistor, the first end of the first resistor is connected with the grid of first metal-oxide-semiconductor, the first resistor
Second end is connected with the positive pole of first diode；
First electric capacity, the first end of first electric capacity is connected with the first end of the first resistor, first electric capacity
The second end be connected with the second end of the first resistor.
In the utility model embodiment, when the grid of the first metal-oxide-semiconductor receives the first power supply signal and the first metal-oxide-semiconductor
When the drain electrode of the first metal-oxide-semiconductor receives the second power supply signal, the first metal-oxide-semiconductor is not turned on, and the second power supply signal cannot be introduced into first
The source electrode of metal-oxide-semiconductor, and then cannot be powered at least one converting unit, the first power supply signal can directly pass through the one or two pole
Manage as at least one converting unit is powered.In addition, when the grid of the first metal-oxide-semiconductor is not received by the first power supply signal and first
When the drain electrode of the first metal-oxide-semiconductor of metal-oxide-semiconductor receives the second power supply signal, the first metal-oxide-semiconductor conducting, the second power supply signal enters first
The source electrode of metal-oxide-semiconductor, the second power supply signal is output as at least one converting unit and powers by the source electrode of the first metal-oxide-semiconductor.Also, the
One diode can avoid the second power supply signal from exporting to externally fed equipment, realize the protection to outside power supply unit.
Based on a kind of power supply management device shown in Fig. 1, as shown in figure 4, in the embodiment of the utility model one, it is described to cut
Unit is changed, including：
First metal-oxide-semiconductor Q1, the drain electrode of the first metal-oxide-semiconductor Q1 is connected with battery power supply unit 103, the source electrode of the first metal-oxide-semiconductor Q1
It is connected with converting unit 104 and converting unit 105 respectively, the second power supply signal is received by the drain electrode of the first metal-oxide-semiconductor Q1；
First diode D1, the positive pole of the first diode D1 is connected with externally fed equipment, the negative pole of the first diode D1
Source electrode with the first metal-oxide-semiconductor Q1 is connected, and the first power supply signal is received by the positive pole of the first diode D1；
First resistor R1, the first end of first resistor R1 is connected with the grid of the first metal-oxide-semiconductor Q1, and the second of first resistor R1
End is connected with the positive pole of the first diode D1；
First electric capacity C1, the first end of the first electric capacity C1 is connected with the first end of first resistor R1, and the of the first electric capacity C1
Two ends are connected with second end of first resistor R1.
Specifically, the model of the first metal-oxide-semiconductor can be MI3407.The model of the first diode can be SS34.First electricity
Appearance can be 0.1 μ F.First resistor can be 100K Ω.
In the utility model embodiment, the device is further included：Power supply output unit, is 12v for output voltage
The 5th power supply signal；
The power supply output unit, including：
Second diode, the positive pole of second diode is connected with the externally fed equipment, second diode
Negative pole with it is described power supply output unit power supply output end be connected；
Second metal-oxide-semiconductor, the grounded-grid of second metal-oxide-semiconductor, the source electrode of second metal-oxide-semiconductor and the power supply output end
It is connected, the drain electrode of second metal-oxide-semiconductor is connected with the battery power supply unit；
Wherein, first power supply signal is received by the positive pole of second diode, by second metal-oxide-semiconductor
Drain electrode receives second power supply signal, and it is 12v's that first power supply signal and second power supply signal are magnitude of voltage
Electric signal.
In the utility model embodiment, when the second metal-oxide-semiconductor receives the first power supply signal, power supply output end output the
One power supply signal, when the second metal-oxide-semiconductor is not received by the first power supply signal, power supply output end exports the second power supply signal.Tool
Body ground, when the positive pole of the second diode receives the first power supply signal, the second metal-oxide-semiconductor is not turned on, the confession of output unit of powering
Electricity output end exports the first power supply signal；When the positive pole of the second diode is not received by the first power supply signal, the second metal-oxide-semiconductor
Conducting, the power supply output end of output unit of powering is exported by the second power supply signal of the second metal-oxide-semiconductor drain electrode input.Power supply output is single
Unit can be that the electrical equipment for needing 12v voltages is powered.
In addition, the power supply output unit can also include：Connect 100K Ω's between the positive pole and ground of the second diode
Resistance, connects the electric capacity of 0.1 μ F between the positive pole and ground of the second diode, and the resistance and the electric capacity are in parallel.
Specifically, the model of the second metal-oxide-semiconductor can be MI3407.The model of the second diode can be SS34.
As shown in figure 5, the utility model embodiment provides a kind of converting unit, including：
Step-down conversion chip 501, the input pin of the step-down conversion chip 501 is connected with the switch unit, is used for
Receive first power supply signal or second power supply signal of the switch unit input；
Inductance L, the first end of the inductance L is connected with the output pin of the step-down conversion chip 501, the inductance L
The second end export the electric signal of the corresponding preset voltage value of the converting unit；
Second electric capacity C2, the positive pole of the second electric capacity C2 is connected with the input pin, and the second electric capacity C2's is negative
Pole is grounded；
3rd electric capacity C3, the first end of the 3rd electric capacity C3 is connected with the input pin, the 3rd electric capacity C3's
Second end is grounded；
4th electric capacity C4, the first end of the 4th electric capacity C4 is connected with the input pin, the 4th electric capacity C4's
Second end is grounded；
Second resistance R2, the first end of the second resistance R2 is connected with the enable pin of the step-down conversion chip, institute
The second end for stating second resistance R2 is connected with the input pin；
3rd diode D3, the negative pole of the 3rd diode D3 is connected with the output pin of the step-down conversion chip,
The plus earth of the 3rd diode D3；
5th electric capacity C5, the first end of the 5th electric capacity C5 is connected with second end of the inductance L, the 5th electric capacity
The second end ground connection of C5；
6th electric capacity C6, the first end of the 6th electric capacity C6 is connected with second end of the inductance L, the 6th electric capacity
The second end ground connection of C6；
3rd resistor R3, the first end of the 3rd resistor R3 is connected with second end of the inductance L, the 3rd resistor
Second end of R3 is connected with the feedback pin of the step-down conversion chip 501；
4th resistance R4, the first end of the 4th resistance R4 is connected with second end of the 3rd resistor R3, and described
The second end ground connection of four resistance R4.
In the utility model embodiment, the step-down conversion chip can be MPS1430.
In addition, the converting unit can also include：It is depressured the OCS pins of conversion chip and the first end phase of the 5th resistance
Even, the second end of the 5th resistance is connected with the first end of the 7th electric capacity, the second end ground connection of the 7th electric capacity.The first of 8th electric capacity
Hold and be connected with the OCSET pins of step-down conversion chip, the second end of the 8th electric capacity is connected with the output pin of step-down conversion chip；
The first end of the 9th electric capacity is connected with the BS pins of step-down conversion chip, the second end ground connection of the 9th electric capacity.
In the utility model embodiment, the device can also include：
TCU transfer control unit is connected between switch unit and converting unit；
TCU transfer control unit, for the changeover control signal that receiving processor is sent, be according to changeover control signal control
It is no to be input into the first power supply signal or the second power supply signal to converting unit；
TCU transfer control unit, including：
4th metal-oxide-semiconductor, the source electrode of the 4th metal-oxide-semiconductor is connected with the source electrode of the first metal-oxide-semiconductor in switch unit, the 4th metal-oxide-semiconductor
Drain electrode be depressured conversion chip input pin be connected；
The grid of the first triode, the grounded emitter of the first triode, the colelctor electrode of the first triode and the 4th metal-oxide-semiconductor
It is connected, the changeover control signal sent by the base stage receiving processor of the first triode；
6th resistance, the first end of the 6th resistance is connected with the colelctor electrode of the first triode, the second end of the 6th resistance with
The source electrode of the 4th metal-oxide-semiconductor is connected；
7th resistance, the first end of the 7th resistance is connected with the base stage of the first triode, the second end ground connection of the 7th resistance.
Wherein, the 4th metal-oxide-semiconductor can be MI3407, and the first triode can be 2N3904, and the 6th resistance can be 100K
Ω, the 7th resistance can be 5.1K Ω.Furthermore it is also possible to the 10K that connected between the base stage and processor of the first triode
The resistance of Ω.
In the embodiment of the utility model one, at least one converting unit, including：First converting unit, for root
According to first power supply signal or second power supply signal that the switch unit is exported, output voltage values are the 3rd of 3.3v
Power supply signal.
In the utility model embodiment, the first converting unit can according to the first power supply signal or the second power supply signal,
Output voltage values are the 3rd power supply signal of 3.3v, for the electrical equipment for needing 3.3v voltages is powered.For the first converting unit
For, the corresponding preset voltage value of the first converting unit is 3.3v.
Based on the converting unit shown in Fig. 5, first converting unit, specifically, second can be accomplished by the following way
Electric capacity is 100 μ F, the μ F of the 3rd electric capacity 10, the μ F of the 4th electric capacity 0.1, the μ F of the 5th electric capacity 47, the μ F of the 6th electric capacity 0.1；Second resistance is
100K Ω, 3rd resistor is 17K Ω, and the 4th resistance is 10K Ω, and L is 100 μ H.5th resistance is 6.8K Ω, and the 7th electric capacity is
10nF, the 8th electric capacity is 10nF, and the 9th electric capacity is 10nF.
In the embodiment of the utility model one, at least one converting unit, including：Second converting unit, for root
According to first power supply signal or second power supply signal that the switch unit is exported, output voltage values are the 4th confession of 5v
Electric signal.
In the utility model embodiment, the second converting unit can according to the first power supply signal or the second power supply signal,
Output voltage values are the 4th power supply signal of 5v, for the electrical equipment for needing 5v voltages is powered.For the second converting unit,
The corresponding preset voltage value of second converting unit is 5v.
Based on the converting unit shown in Fig. 5, second converting unit, specifically, second can be accomplished by the following way
Electric capacity is 100 μ F, the μ F of the 3rd electric capacity 10, the μ F of the 4th electric capacity 0.1, the μ F of the 5th electric capacity 47, the μ F of the 6th electric capacity 0.1；Second resistance is
100K Ω, 3rd resistor is 31K Ω, and the 4th resistance is 10K Ω, and L is 100 μ H.5th resistance is 10K Ω, and the 7th electric capacity is
10nF, the 8th electric capacity is 10nF, and the 9th electric capacity is 10nF.
In the embodiment of the utility model one, the battery power supply unit, including：
Control triode, the base stage of the control triode is connected with the processor, the transmitting of the control triode
Pole is grounded, and the conversion signal is received by the base stage of the control triode；
3rd metal-oxide-semiconductor, the grid of the 3rd metal-oxide-semiconductor is connected with the colelctor electrode of the control triode, the 3rd MOS
The source electrode of pipe is connected with the battery；
Conversion chip, the input of the conversion chip is connected with the drain electrode of the 3rd metal-oxide-semiconductor, for receiving
When stating the cell electric signal that the drain electrode of the 3rd metal-oxide-semiconductor is sent, second power supply signal is exported.
In the utility model embodiment, processor is to control triode output conversion signal so that control triode control
The conducting of the 3rd metal-oxide-semiconductor is made, and then causes that the cell electric signal of battery output is input in conversion chip so that conversion chip is by electricity
Pond electric signal is converted to the second power supply signal.
Based on a kind of power supply management device shown in Fig. 2, as shown in fig. 6, in the embodiment of the utility model one, battery is supplied
Electric unit, including：
Control triode Q2, the base stage of control triode Q2 is connected with processor 201, and the emitter stage of control triode Q2 connects
Ground, conversion signal is received by controlling the base stage of triode Q2；
The grid of the 3rd metal-oxide-semiconductor Q3, the 3rd metal-oxide-semiconductor Q3 is connected with the colelctor electrode of control triode Q2, the 3rd metal-oxide-semiconductor Q3's
Source electrode is connected with battery 102；
Conversion chip 601, the input of conversion chip 601 is connected with the drain electrode of the 3rd metal-oxide-semiconductor Q3, for receiving
During the cell electric signal that the drain electrode of three metal-oxide-semiconductor Q3 is sent, the second power supply signal is exported.
Specifically, battery power supply unit can also include：
8th resistance, the first end of the 8th resistance is connected with the source electrode of the 3rd metal-oxide-semiconductor, second end and the 3rd of the 8th resistance
The grid of metal-oxide-semiconductor is connected；
9th resistance, the first end ground connection of the 9th resistance, the second end of the 9th resistance is connected with the base stage of control triode；
Tenth resistance, the first end of the tenth resistance is connected with the base stage of control triode, the second end and the place of the tenth resistance
Reason device is connected, and conversion signal is received by the second end of the tenth resistance；
Tenth electric capacity, the positive pole of the tenth electric capacity is connected with the input of conversion chip, the negative pole ground connection of the tenth electric capacity；
11st electric capacity, the first end of the 11st electric capacity is connected with the input of conversion chip, and the second of the 11st electric capacity
End ground connection；
11st resistance, the first end of the 11st resistance is connected with the input of conversion chip, and the second of the 11st resistance
End is connected with the enable pin of conversion chip；
12nd resistance, the first end ground connection of the 12nd resistance, the second end of the 12nd resistance and the enable of conversion chip
Pin is connected；
Conversion inductance, the first end for changing inductance is connected with the input of conversion chip, changes the second end of inductance and turns
The SW pins for changing chip are connected；
4th diode, the positive pole of the 4th diode is connected with the second end of conversion inductance, and the negative pole of the 4th diode is defeated
Go out the second power supply signal；
12nd electric capacity, the positive pole of the 12nd electric capacity is connected with the negative pole of the 4th diode, and the negative pole of the 12nd electric capacity connects
Ground；
13rd electric capacity, the first end of the 13rd electric capacity is connected with the negative pole of the 4th diode, and the second of the 13rd electric capacity
End ground connection；
13rd resistance, the first end of the 13rd resistance is connected with the negative pole of the 4th diode, and the second of the 13rd resistance
End is connected with the feedback pin of conversion chip；
14th resistance, the first end ground connection of the 14th resistance, the second end of the 12nd resistance and the feedback of conversion chip
Pin is connected.
Specifically, the model of conversion chip can be XL6009.8th resistance can be 100K Ω, and the 9th resistance can be
5.1K Ω, the tenth resistance can be 10K Ω, and the 11st resistance can be 10K Ω, and the 12nd resistance can be 47K Ω, the 13rd
Resistance can be 8.6K Ω or 12K Ω, and the 14th resistance can be 1K Ω.Tenth electric capacity can be 100 μ F, and the 11st electric capacity can
Think 0.1 μ F, the 12nd electric capacity can be 100 μ F, and the 13rd electric capacity can be 0.1 μ F.Controlling the model of triode can be
2N3904.The model of the 3rd metal-oxide-semiconductor can be MI3407.It can be 47 μ H to change inductance.The model of the 4th diode can be
SS54。
In the embodiment of the utility model one, the battery charging management unit can include：
Charging management chip, the COMP pins of charging management chip are connected with the first end of the 14th electric capacity；
Second end of the 14th electric capacity is connected with the first end of the 15th resistance；
The second end ground connection of the 15th resistance；
The VCC pin of charging management chip connects 12v voltages, and the 12v voltages can be the first of externally fed equipment output
Power supply signal；
The first end of the 15th electric capacity is connected with VCC pin, the second end ground connection of the 15th electric capacity；
The first end of the 16th electric capacity is connected with VCC pin, the second end ground connection of the 16th electric capacity；
The grid of the 5th metal-oxide-semiconductor is connected with the GATE pins of charging management chip, and source electrode is connected with VCC pin；
The plus earth of the 5th diode, negative pole is connected with the drain electrode of the 5th metal-oxide-semiconductor；
The first end of charging inductance is connected with the negative pole of the 5th diode, and the second end is drawn with the SENSE of charging management chip
Pin is connected；
The first end of the 16th resistance is connected with the NTC pins of charging management chip, the second end ground connection of the 16th resistance；
The first end of the 17th resistance is connected with the SENSE pins of charging management chip, the second end of the 16th resistance with
The BAT pins of charging management chip are connected；
The first end of the 18th resistance is connected with the BAT pins of charging management chip, the second end of the 18th resistance with fill
The CHRG pins of electric managing chip are connected；
The CHRG pins of charging management chip are connected with the negative pole of the 6th diode, are sent out by CHRG pins receiving processor
The charging signals for coming；
The positive pole of the 6th diode is connected with the first end and processor of the 19th resistance respectively, and the second of the 19th resistance
Termination 3.3v voltages；
The positive pole of light emitting diode is connected with the first end of the 20th resistance, the CHRG pins of negative pole and charging management chip
It is connected；
Second end of the 20th resistance is connected with battery；
The first end of the 17th electric capacity is connected with battery, the second end ground connection；
The first end of the 18th electric capacity is connected with battery, the second end ground connection；
First end of the first end of the 19th electric capacity respectively with processor and the 21st resistance is connected, the 19th electric capacity
Second end is grounded, and processor detects the electricity of battery by the first end of the 19th electric capacity of detection；
Second end of the 21st resistance is connected with battery；
The first end of the 22nd resistance is connected with the first end of the 21st resistance, the second termination of the 22nd resistance
Ground；
The plus earth of the 7th diode, negative pole is connected with the first end of the 21st resistance；
The BAT pins of charging management chip are connected with battery.
Specifically, the model of charging management chip can be LP28200A.The model of the 6th diode can be IN4148,
The model of the 7th diode can be ZM4728.Charging inductance can be 6.8uH.14th electric capacity can be 2.2 μ F, the 15th
Electric capacity can be 10 μ F, and the 16th electric capacity can be 0.1 μ F, and the 17th electric capacity can be 47 μ F, and the 18th electric capacity can be 0.1
μ F, the 19th electric capacity can be 100pF.15th resistance can be 499 Ω, and the 16th resistance can be 10K Ω, the 17th electricity
Resistance can be 0.07 Ω, and the 18th resistance can be 10K Ω, and the 19th resistance can be 10K Ω, and the 20th resistance can be 2K
Ω, the 21st resistance can be 100K Ω, and the 22nd resistance can be 27K Ω.
In addition, battery may be mounted on battery row's seat, the model of battery row's seat can be 2P_2P56.
In the embodiment of the utility model one, the device is further included：At least one serial ports, each described serial ports and institute
Processor is stated to be connected.
In the utility model embodiment, can be connect for processor and PC provide debugging by least one serial ports
Mouthful, other serial equipments can be connected by least one serial ports.User can be by least one serial ports to the device
Debugged and configured.Each serial ports can be realized by spacing for row's seat of 2.54mm.
In the embodiment of the utility model one, the device is further included：At least one GPIO interface, each described GPIO
Interface is connected with the processor.
Each GPIO interface can be realized by spacing for row's seat of 2.54mm.
In the embodiment of the utility model one, the device is further included：At least one ISP interfaces, each described ISP connects
Mouth is connected with the processor.
In the utility model embodiment, can be communicated with processor by least one ISP interfaces, Ke Yijin
Row operation and downloading data.ISP interfaces can be realized by the row of model 6P_2P54 seat.
In the embodiment of the utility model one, the device is further included：At least one LVDS interface, each described LVDS
Interface is connected with the processor.
In the utility model embodiment, LVDS LCDs can be supplied by least one LVDS interface
Electricity.LVDS interface can be realized by spacing for row's seat of 2.00mm.
In the embodiment of the utility model one, the device is further included：Four serial ports, GPIO interface, one
LVDS interface and mainboard interface；
Four serial ports, a GPIO interface and a LVDS interface are connected with the processor；
The input pin and output pin of each serial ports are connected with the mainboard interface；
Each input and output pin of the GPIO interface is connected with the mainboard interface；
The output output pin and enable pin of the LVDS interface are connected with the mainboard interface.
In the utility model embodiment, mainboard interface can be realized by the row of pin seat, the input of each serial ports
Pin and output pin are connected respectively to that should arrange a pin on seat with corresponding pin；Each of GPIO interface is defeated
Enter output pin respectively to a pin on seat should be arranged, and be connected with corresponding pin；The output output of LVDS interface is drawn
Pin and enable pin are connected respectively to that should arrange a pin on seat with corresponding pin.In addition, can be with row seat
Grounding pin and energization pins are set.Can be connected with outside mainboard by the mainboard interface, can be with by the mainboard interface
Realize and outside mainboard communication, it is possible to be outside power supply.
The utility model each embodiment at least has the advantages that：
1st, in the utility model embodiment, switch unit receives the first power supply signal that externally fed equipment is sent respectively
The second power supply signal sent with battery power supply unit, switch unit exports the first power supply signal or second to each converting unit
Power supply signal, converting unit is converting unit correspondence according to the first power supply signal or the second power supply signal output voltage values
Preset voltage value electric signal, as long as any one can be normally single to switching in externally fed equipment and battery power supply unit
Unit's input power supply signal, each converting unit can the corresponding electric signal of input power for other equipment, improve power supply can
By property.
2nd, in the utility model embodiment, can be by least one serial ports, at least one GPIO interface and at least one
Individual LVDS interface constitutes mainboard interface, and realization is docked with outside mainboard, can be realized by the mainboard interface and outside master
Plate is communicated, it is possible to be outside power supply.
3rd, in the utility model embodiment, management is powered by processor, can be freely switched by outer
Portion's equipment is powered and is powered both of which with by battery, more reasonably carries out power management.
It should be noted that herein, such as first and second etc relational terms are used merely to an entity
Or operation makes a distinction with another entity or operation, and not necessarily require or imply these entities or exist between operating
Any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to it is non-
It is exclusive to include, so that process, method, article or equipment including a series of key elements not only include those key elements,
But also other key elements including being not expressly set out, or also include by this process, method, article or equipment are solid
Some key elements.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including
Also there is other identical factor in the process of the key element, method, article or equipment.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
Programmed instruction related hardware is completed, and foregoing program can be stored in the storage medium of embodied on computer readable, the program
Upon execution, the step of including above method embodiment is performed；And foregoing storage medium includes：ROM, RAM, magnetic disc or light
Disk etc. is various can be with the medium of store program codes.
It is last it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, this practicality is merely to illustrate
New technical scheme, is not intended to limit protection domain of the present utility model.It is all it is of the present utility model spirit and principle it
Interior done any modification, equivalent substitution and improvements etc., are all contained in protection domain of the present utility model.
Claims (10)
1. a kind of power supply management device, it is characterised in that including：
Switch unit, battery, battery power supply unit and at least one converting unit；
The switch unit respectively with externally fed equipment, the battery power supply unit and at least one converting unit phase
Even, the battery is connected with the battery power supply unit；
The switch unit, for when the first power supply signal of externally fed equipment input is received, to it is described at least
One converting unit exports first power supply signal, when first confession for being not received by the externally fed equipment input
Electric signal and when receiving the second power supply signal of battery power supply unit input, exports at least one converting unit
Second power supply signal；
The battery, for exporting cell electric signal to the battery power supply unit；
The battery power supply unit, for the cell electric signal being input into according to the battery, exports to the switch unit
Second power supply signal；
The converting unit, for first power supply signal or the second power supply letter that are input into according to the switch unit
Number, output voltage values are the electric signal of the corresponding preset voltage value of the converting unit.
2. device according to claim 1, it is characterised in that
Further include：
Processor, is connected with the battery power supply unit, for sending conversion signal to the battery power supply unit；
The battery power supply unit, for when the conversion signal that the processor is sent is received, the battery being input into
The cell electric signal is converted to second power supply signal.
3. device according to claim 1, it is characterised in that
The switch unit, including：
First metal-oxide-semiconductor, the drain electrode of first metal-oxide-semiconductor is connected with the battery power supply unit, the source electrode of first metal-oxide-semiconductor with
At least one converting unit is connected, and second power supply signal is received by the drain electrode of first metal-oxide-semiconductor；
First diode, the positive pole of first diode is connected with the externally fed equipment, first diode it is negative
Pole is connected with the source electrode of first metal-oxide-semiconductor, and first power supply signal is received by the positive pole of first diode；
First resistor, the first end of the first resistor is connected with the grid of first metal-oxide-semiconductor, and the second of the first resistor
End is connected with the positive pole of first diode；
First electric capacity, the first end of first electric capacity is connected with the first end of the first resistor, and the of first electric capacity
Two ends are connected with the second end of the first resistor.
4. device according to claim 2, it is characterised in that
Further include：Battery charging management unit；
The processor and the battery charging management unit are connected with the battery；
The processor, is further used for detecting the electricity of the battery, when the electricity for detecting the battery is less than or equal in advance
If during power threshold, charging signals are sent to the battery charging management unit；
The battery charging management unit, for when the charging signals that the processor is sent are received, to the electricity
Charged in pond.
5. device according to claim 1, it is characterised in that the converting unit includes：
Step-down conversion chip, the input pin of the step-down conversion chip is connected with the switch unit, for receiving described cutting
Change first power supply signal or second power supply signal of unit input；
Inductance, the first end of the inductance is connected with the output pin of the step-down conversion chip, and the second end of the inductance is defeated
Go out the electric signal of the corresponding preset voltage value of the converting unit；
Second electric capacity, the positive pole of second electric capacity is connected with the input pin, the negative pole ground connection of second electric capacity；
3rd electric capacity, the first end of the 3rd electric capacity is connected with the input pin, the second end ground connection of the 3rd electric capacity；
4th electric capacity, the first end of the 4th electric capacity is connected with the input pin, the second end ground connection of the 4th electric capacity；
Second resistance, the first end of the second resistance is connected with the enable pin of the step-down conversion chip, second electricity
Second end of resistance is connected with the input pin；
3rd diode, the negative pole of the 3rd diode is connected with the output pin of the step-down conversion chip, and the described 3rd
The plus earth of diode；
5th electric capacity, the first end of the 5th electric capacity is connected with the second end of the inductance, the second end of the 5th electric capacity
Ground connection；
6th electric capacity, the first end of the 6th electric capacity is connected with the second end of the inductance, the second end of the 6th electric capacity
Ground connection；
3rd resistor, the first end of the 3rd resistor is connected with the second end of the inductance, the second end of the 3rd resistor
Feedback pin with the step-down conversion chip is connected；
4th resistance, the first end of the 4th resistance is connected with the second end of the 3rd resistor, and the of the 4th resistance
Two ends are grounded.
6. device according to claim 1, it is characterised in that
At least one converting unit, including：First converting unit, for exported according to the switch unit described first
Power supply signal or second power supply signal, output voltage values are the 3rd power supply signal of 3.3v；
And/or,
At least one converting unit, including：Second converting unit, for exported according to the switch unit described first
Power supply signal or second power supply signal, output voltage values are the 4th power supply signal of 5v.
7. according to any described device in claim 1-6, it is characterised in that
Further include：Power supply output unit, is the 5th power supply signal of 12v for output voltage；
The power supply output unit, including：
Second diode, the positive pole of second diode is connected with the externally fed equipment, second diode it is negative
Pole is connected with the power supply output end of the power supply output unit；
Second metal-oxide-semiconductor, the grounded-grid of second metal-oxide-semiconductor, the source electrode of second metal-oxide-semiconductor and the power supply output end phase
Even, the drain electrode of second metal-oxide-semiconductor is connected with the battery power supply unit；
Wherein, first power supply signal is received by the positive pole of second diode, by the drain electrode of second metal-oxide-semiconductor
Second power supply signal is received, first power supply signal and second power supply signal are the telecommunications that magnitude of voltage is 12v
Number.
8. according to any described device in claim 2, it is characterised in that
The battery power supply unit, including：
Control triode, the base stage of the control triode is connected with the processor, and the emitter stage of the control triode connects
Ground, the conversion signal is received by the base stage of the control triode；
3rd metal-oxide-semiconductor, the grid of the 3rd metal-oxide-semiconductor is connected with the colelctor electrode of the control triode, the 3rd metal-oxide-semiconductor
Source electrode is connected with the battery；
Conversion chip, the input of the conversion chip is connected with the drain electrode of the 3rd metal-oxide-semiconductor, for receiving described
During the cell electric signal that the drain electrode of three metal-oxide-semiconductors is sent, second power supply signal is exported.
9. device according to claim 2, it is characterised in that
Further include：At least one serial ports, each described serial ports is connected with the processor；
And/or,
Further include：At least one universal input export GPIO interface, each described GPIO interface with the processor phase
Even；
And/or,
Further include：The programmable ISP interfaces of at least one on-line system, each described ISP interface is connected with the processor；
And/or,
Further include：At least one low-voltage differential signal LVDS interface, each described LVDS interface and the processor phase
Even.
10. device according to claim 2, it is characterised in that
Further include：Four serial ports, GPIO interface, a LVDS interface and a mainboard interfaces；
Four serial ports, a GPIO interface and a LVDS interface are connected with the processor；
The input pin and output pin of each serial ports are connected with the mainboard interface；
Each input and output pin of the GPIO interface is connected with the mainboard interface；
The output output pin and enable pin of the LVDS interface are connected with the mainboard interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621345182.7U CN206283280U (en) | 2016-12-09 | 2016-12-09 | A kind of power supply management device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621345182.7U CN206283280U (en) | 2016-12-09 | 2016-12-09 | A kind of power supply management device |
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| Publication Number | Publication Date |
|---|---|
| CN206283280U true CN206283280U (en) | 2017-06-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108216481A (en) * | 2017-11-29 | 2018-06-29 | 上海腾通信息科技有限公司 | A kind of hybrid power electricity vehicle using motor and its control method |
| CN117410821A (en) * | 2023-12-15 | 2024-01-16 | 深圳市柠檬光子科技有限公司 | Adjustable duty cycle circuit, method and processing system |
-
2016
- 2016-12-09 CN CN201621345182.7U patent/CN206283280U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108216481A (en) * | 2017-11-29 | 2018-06-29 | 上海腾通信息科技有限公司 | A kind of hybrid power electricity vehicle using motor and its control method |
| CN108216481B (en) * | 2017-11-29 | 2021-04-02 | 上海腾通信息科技有限公司 | Hybrid electric power-assisted vehicle and control method thereof |
| CN117410821A (en) * | 2023-12-15 | 2024-01-16 | 深圳市柠檬光子科技有限公司 | Adjustable duty cycle circuit, method and processing system |
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