CN204887616U - Light -operated lighting circuit of solar energy - Google Patents
Light -operated lighting circuit of solar energy Download PDFInfo
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- CN204887616U CN204887616U CN201520647423.2U CN201520647423U CN204887616U CN 204887616 U CN204887616 U CN 204887616U CN 201520647423 U CN201520647423 U CN 201520647423U CN 204887616 U CN204887616 U CN 204887616U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a light -operated lighting circuit of solar energy, include: supply circuit, it includes and is used for solar photovoltaic board and the deposit of solar energy conversion for the electric energy the battery of the electric energy that the solar photovoltaic board produced, hold the feeder ear of battery output end as supply circuit, light -operated circuit, it includes photosensitive circuit and relay, photosensitive circuit by the storage battery power supply to, the light intensity of its response controls when being less than the default the relay joint, supply circuit's feeder ear is connected to the relay for the one end of joint, the constant current source, its input is connected the relay is connected lighting device and is its power supply for the other end of joint, its output to light lighting device. The utility model discloses can alleviate environmental pollution, reduce electric power and lay the expense spending, the illumination is stable, energy -conserving.
Description
Technical field
The utility model relates to solar powered field, particularly a kind of solar powered light-operated lighting circuit.
Background technology
, there is too much, the used energy of power consumption caused because of human factor unclean and set up the high in cost of production shortcoming of electrical network in traditional circuit lighting system, particularly street lamp.Solar energy (SolarEnergy), generally refers to the emittance of sunlight, can be used to generating.Solar energy has aboundresources, can freely use, without the need to transport, to environment without plurality of advantages such as any pollutions.It makes society enter the clean energy resource epoch of an energy savings, decreasing pollution.Along with modern development in science and technology, this clean energy resource of solar energy will be popularized and enter in Common People, present stage can accomplish to use solar energy to provide power supply for most electric consumption on lighting and outdoor street lighting electricity consumption, this clean energy resource of solar energy is than traditional thermal power generation energy, effectively can reduce environmental pollution, solar energy control circuit set up cost than traditional circuit economy, environmental protection many.Still need at present a kind of newly by solar powered lighting circuit, can be energy-conservation and illumination is stable.
Utility model content
Problem to be solved in the utility model is to provide the light-operated lighting circuit of a kind of solar energy, can alleviate environmental pollution, and reduce electric power and lay expenses, illumination is stable, energy-conservation.
For solving the problem, the utility model proposes the light-operated lighting circuit of a kind of solar energy, comprising:
Power supply circuits, it comprises the storage battery of the electric energy that solar energy photovoltaic panel in order to solar energy to be converted to electric energy and the described solar energy photovoltaic panel of savings produce, and the output of described storage battery is as the feeder ear of power supply circuits;
Light-operated circuit, it comprises photosensitive circuit and relay, and described photosensitive circuit by described storage battery power supply, and engages lower than controlling described relay during preset value in the light intensity of its induction, and described relay connects the feeder ear of power supply circuits in order to the one end engaged;
Constant-current source, its input connects the other end of described relay in order to engage, and its output connects lighting device for its power supply, to light lighting device.
According to an embodiment of the present utility model, described power supply circuits also comprise a protective circuit, comprising:
Three terminal regulator, input connects described solar energy photovoltaic panel, its earth terminal ground connection;
First diode, its positive pole connects the output of described three terminal regulator;
Second diode, its positive pole connects the negative pole of described first diode, and its negative pole connects the positive pole of storage battery, the positive pole of described storage battery as the feeder ear of power supply circuits, the minus earth of described storage battery.
According to an embodiment of the present utility model, described solar energy photovoltaic panel is in series by two pieces of 9V photovoltaic battery panels, and described storage battery adopts three joint nickel-hydrogen chargeable cells to be in series, and the model of described three terminal regulator is 7815.
According to an embodiment of the present utility model, described light-operated circuit comprises:
Photo resistance, its first end connects the feeder ear of described power supply circuits, and it is low resistance state under certain illumination;
First resistance, its first end connects the second end of described photo resistance;
Second resistance, its first end connects the second end of described photo resistance, and the resistance of described second resistance is much larger than the resistance of described first resistance;
NPN triode, its base stage connects the second end of described first resistance, and its emitter connects the second end of described second resistance, and its collector electrode controls the control end of described relay.
According to an embodiment of the present utility model, described light-operated circuit also comprises:
3rd diode, its positive pole connects the feeder ear of described power supply circuits, and its negative pole connects the first end of described photo resistance;
4th diode, its positive pole connects the feeder ear of described power supply circuits, and its negative pole connects one end in order to engage of described relay;
5th diode, its negative pole connects one end in order to engage of described relay, and its positive pole connects the other end in order to engage of described relay.
According to an embodiment of the present utility model, described lighting device comprises at least one light-emitting diode, and the positive pole of described light-emitting diode connects the output head anode of described constant-current source, and the negative pole of described light-emitting diode connects the negative pole of output end of described constant-current source.
After adopting technique scheme, the utility model has following beneficial effect compared to existing technology: adopt solar energy photovoltaic panel generating and by storage battery electric power storage, realize power supply, photosensitive circuit control relay is adopted to engage when intensity of illumination is large, other time disconnect, when disconnection, lighting device does not work, thus reduce unnecessary energy waste, lighting device work is driven by constant-current source, generally speaking drive lighting device that current-limiting resistance can be adopted to drive, current-limiting resistance itself has energy consumption, thus constant current drive ratio constant voltage is adopted to drive more energy-conservation, and lighting device can be normal, stable work, not by the impact that external impedance changes.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the light-operated lighting circuit of solar energy of the utility model embodiment;
Fig. 2 is the electrical block diagram of the power supply circuits of the utility model embodiment;
Fig. 3 is the electrical block diagram of the light-operated circuit of the utility model embodiment;
Fig. 4 is the electrical block diagram that the constant-current source of the utility model embodiment is connected with lighting device.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail embodiment of the present utility model below in conjunction with accompanying drawing.
Set forth a lot of detail in the following description so that fully understand the utility model.But the utility model can be much different from alternate manner described here to implement, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public concrete enforcement.
Fig. 1 illustrates the light-operated lighting circuit of a kind of solar energy of the present utility model, comprises power supply circuits 1, light-operated circuit 2, constant-current source 23 and lighting device 24.Adopt solar power generation, clean energy, light-operated circuit 21 controls lighting device 24 and only works in night, adopts constant-current source as the driving of lighting device 24, and more energy-conservation, illumination is stable.
Concrete, power supply circuits 1 comprise solar energy photovoltaic panel 11 and storage battery 13, solar energy photovoltaic panel 11 also can be called photovoltaic battery panel or solar panel, solar energy can be converted to electric energy, solar energy photovoltaic panel 11 electric energy output end connects storage battery 13, the electric energy that conversion produces is saved in storage battery 13, the output of storage battery 13 as the feeder ear of power supply circuits 1, as the DC power supply of subsequent conditioning circuit.
Light-operated circuit 2 comprises photosensitive circuit 21 and relay 22, photosensitive circuit 21 is powered by storage battery 13, photosensitive circuit 21 can respond to light intensity, the light intensity responded at photosensitive circuit 21 engages lower than control relay during preset value 22, that is time environment is darker around, photosensitive circuit 21 control relay 22 engages, relay 22 connects the feeder ear of power supply circuits 1 in order to the one end engaged, the other end is used for being connected to constant-current source 23, that is, when relay 22 engages, constant-current source 23 can receive the voltage of storage battery 13, thus drive lighting device 24 to work.
The input of constant-current source 23 connects the other end of relay 22 in order to engage, and output connects lighting device 24 for its power supply, to light lighting device 24.Constant-current source 23 driving is compared constant voltage and is driven more energy-conservation, and can not be subject to the impact of load change in resistance, throws light on more stable.
Further, referring to Fig. 1 and 2, power supply circuits also comprise a protective circuit 12, and this protective circuit 12 comprises: three terminal regulator VOL, diode D1 and diode D2.The input of three terminal regulator VOL connects solar energy photovoltaic panel 11, the earth terminal ground connection of three terminal regulator VOL; The positive pole of diode D1 connects the output of three terminal regulator VOL; The positive pole of diode D2 connects the negative pole of described diode D1, and the negative pole of diode D2 connects the positive pole of storage battery 13, the positive pole of storage battery 13 as the feeder ear VCC of power supply circuits 1, the minus earth of storage battery 13.During daytime, solar light irradiation is on solar energy photovoltaic panel 11, and solar energy photovoltaic panel 11 becomes electric energy light energy conversion.By three terminal regulator VOL and diode D1, D2, the actual charging voltage of storage battery 13 is made to be no more than its nominal charging voltage, when considering night in addition, electric energy in storage battery 13 may flow backwards to solar energy photovoltaic panel 11, form electric current, so be serially connected in power supply circuits by diode D1, D2, the electric energy reverse flow of storage battery 13 at night can also be stoped to solar energy photovoltaic panel 11.
In a preferred embodiment, solar energy photovoltaic panel 11 is in series by two pieces of 9V photovoltaic battery panels, described storage battery 13 adopts three joint nickel-hydrogen chargeable cells to be in series, the nickel-hydrogen chargeable cell of more electric energy can be stored under nickel-hydrogen chargeable cell memory-less effect, same volume, nickel-hydrogen chargeable cell has longer useful life than other rechargeable batteries, and the model of three terminal regulator VOL is such as 7815.Daytime, solar irradiation was mapped on solar energy photovoltaic panel 11, and solar energy photovoltaic panel 11 becomes electric energy to charge to nickel-hydrogen chargeable cell light energy conversion, and nickel-hydrogen chargeable cell is that chemical energy stores the electric energy conversion obtained.Preferably, the nickel-hydrogen chargeable cell model adopted be 18650 (evening is unglazed or rather dark time, circuit between load circuit and nickel-hydrogen chargeable cell will conducting, now nickel-hydrogen chargeable cell can be electric energy the chemical energy stored, and institute's bringing onto load is powered in subsequent conditioning circuit), often save nickel-hydrogen chargeable cell be full of after voltage be 4.2V, its full capacitance is 2000mah, the rear voltage of nickel-hydrogen chargeable cell series connection that three joints are full of electricity is 12.6V, so its charging voltage must not more than 13.6V.
Solar energy photovoltaic panel 11 is composed in series by two pieces of 9V solar panels, output voltage is 18V, the 12.6V voltage normally worked with nickel-hydrogen chargeable cell there are differences, have employed three terminal regulator VOL to be connected in series in circuit, the 18V voltage exported by solar panel 11 is reduced to 15V, the voltage that diode D1, D2 process exceeds, charging voltage is finally made to be stabilized in 13.6V, the 12.6V voltage needed for standard charging can be met, the voltage that two pieces of solar energy photovoltaic panels 11 provide, after step-down process, the electric current of exportable 100ma charges to battery last.Visible, protective circuit 12 not only plays the effect of power supply circuits protection, can also play the effect of pressure drop.
Further, referring to Fig. 3, light-operated circuit 2 can comprise: photo resistance RL, resistance R2, resistance R1, NPN triode Q2, relay 22.Wherein, the first end of photo resistance RL connects the feeder ear VCC of power supply circuits 1, and photo resistance RL is low resistance state under certain illumination; Resistance R2, its first end connects second end of photo resistance RL; Resistance R1, its first end connects second end of photo resistance RL, and the resistance of resistance R1 is much larger than the resistance of resistance R2, and the resistance of resistance R1 can be compared with the resistance under photo resistance RL high value state, and the resistance of resistance R2 is much larger than their resistance; NPN triode Q2, second end of its base stage contact resistance R2, second end of its emitter contact resistance R1, the control end of its collector electrode control relay 22.
During daytime, the photo resistance RL of solar light irradiation is had to be low resistance state, negligible by comparison with resistance R1, resistance R2 less than electric current, the base stage of NPN triode Q2 and the voltage difference of emitter are few, and NPN triode Q2 can not conducting, and relay 22 cannot adhesive, storage battery 13 can not to constant current source power supply, and lighting device 24 cannot be lighted.The evening draws on or rather dark, unglazed irradiation time, photo resistance RL presents high-impedance state, photo resistance RL divides to obtain voltage, R2 obtains electric current, NPN triode Q2 obtains current lead-through, and the coil of trigger relay 22, makes the engage contacts that relay 22 often leaves, storage battery 13 is powered to constant-current source 23, and then lighting device 24 is lighted.
In one embodiment, consider the voltage that nickel-hydrogen chargeable cell can provide, adopt relay 22, the NPN triode Q2 of 12V to select NPN type 9013 triode, to meet the demand of circuit design.Resistance R1, R2 have employed the resistance of 100K and 1K respectively, ensure the normal work of circuit with this.
Continue referring to Fig. 3, further, light-operated circuit 2 also comprises: diode D3, D4, D5.The positive pole of diode D3 connects the feeder ear VCC of power supply circuits 1, and the negative pole of diode D3 connects the first end of photo resistance RL; The positive pole of diode D5 connects the feeder ear VCC of power supply circuits 1, and the negative pole of diode D5 connects one end in order to engage of relay 22; The negative pole of diode D4 connects one end in order to engage of this relay 22, and the positive pole of diode D4 connects the other end in order to engage of relay 22.
In this light-operated circuit 2, these three components and parts of diode D3, D4, D5 also play a part sizable protective circuit.Diode D3 connects in circuit, and can prevent power electrode from connecing instead, the circuit that may bring damages.Diode D4, D5 then play effect relay 22 coil and other circuit separated, relay 22 coil may produce very high voltage in circuit, so diode D4, D5 have become indispensable existence, they thisly possess probabilistic high pressure in order to prevent and damage other circuit.
Referring to Fig. 4, in one embodiment, lighting device 24 comprises at least one light-emitting diode, there is shown four LEDs 1 in parallel, LED2, LED3, LED4, the positive pole of LED 1, LED2, LED3, LED4 connects the output head anode of constant-current source 23, and the negative pole of LED 1, LED2, LED3, LED4 connects the negative pole of output end of constant-current source 23.In the diagram, also comprise the switch S be connected to before constant-current source 23, be used for hand-guided lighting device 24 is all work under night or dark situation.
Although the utility model with preferred embodiment openly as above; but it is not for limiting claim; any those skilled in the art are not departing from spirit and scope of the present utility model; can make possible variation and amendment, the scope that therefore protection range of the present utility model should define with the utility model claim is as the criterion.
Claims (6)
1. the light-operated lighting circuit of solar energy, is characterized in that, comprising:
Power supply circuits, it comprises the storage battery of the electric energy that solar energy photovoltaic panel in order to solar energy to be converted to electric energy and the described solar energy photovoltaic panel of savings produce, and the output of described storage battery is as the feeder ear of power supply circuits;
Light-operated circuit, it comprises photosensitive circuit and relay, and described photosensitive circuit by described storage battery power supply, and engages lower than controlling described relay during preset value in the light intensity of its induction, and described relay connects the feeder ear of power supply circuits in order to the one end engaged;
Constant-current source, its input connects the other end of described relay in order to engage, and its output connects lighting device for its power supply, to light lighting device.
2. the light-operated lighting circuit of solar energy as claimed in claim 1, it is characterized in that, described power supply circuits also comprise a protective circuit, comprising:
Three terminal regulator, input connects described solar energy photovoltaic panel, its earth terminal ground connection;
First diode, its positive pole connects the output of described three terminal regulator;
Second diode, its positive pole connects the negative pole of described first diode, and its negative pole connects the positive pole of storage battery, the positive pole of described storage battery as the feeder ear of power supply circuits, the minus earth of described storage battery.
3. the light-operated lighting circuit of solar energy as claimed in claim 2, it is characterized in that, described solar energy photovoltaic panel is in series by two pieces of 9V photovoltaic battery panels, and described storage battery adopts three joint nickel-hydrogen chargeable cells to be in series, and the model of described three terminal regulator is 7815.
4. the light-operated lighting circuit of solar energy as claimed in claim 1, it is characterized in that, described light-operated circuit comprises:
Photo resistance, its first end connects the feeder ear of described power supply circuits, and it is low resistance state under certain illumination;
First resistance, its first end connects the second end of described photo resistance;
Second resistance, its first end connects the second end of described photo resistance, and the resistance of described second resistance is much larger than the resistance of described first resistance;
NPN triode, its base stage connects the second end of described first resistance, and its emitter connects the second end of described second resistance, and its collector electrode controls the control end of described relay.
5. the light-operated lighting circuit of solar energy as claimed in claim 4, it is characterized in that, described light-operated circuit also comprises:
3rd diode, its positive pole connects the feeder ear of described power supply circuits, and its negative pole connects the first end of described photo resistance;
4th diode, its positive pole connects the feeder ear of described power supply circuits, and its negative pole connects one end in order to engage of described relay;
5th diode, its negative pole connects one end in order to engage of described relay, and its positive pole connects the other end in order to engage of described relay.
6. the light-operated lighting circuit of solar energy as claimed in claim 1, it is characterized in that, described lighting device comprises at least one light-emitting diode, and the positive pole of described light-emitting diode connects the output head anode of described constant-current source, and the negative pole of described light-emitting diode connects the negative pole of output end of described constant-current source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520647423.2U CN204887616U (en) | 2015-08-26 | 2015-08-26 | Light -operated lighting circuit of solar energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520647423.2U CN204887616U (en) | 2015-08-26 | 2015-08-26 | Light -operated lighting circuit of solar energy |
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| Publication Number | Publication Date |
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| CN204887616U true CN204887616U (en) | 2015-12-16 |
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| CN201520647423.2U Expired - Fee Related CN204887616U (en) | 2015-08-26 | 2015-08-26 | Light -operated lighting circuit of solar energy |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822988A (en) * | 2016-03-26 | 2016-08-03 | 国网山东省电力公司栖霞市供电公司 | Power cable pile |
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2015
- 2015-08-26 CN CN201520647423.2U patent/CN204887616U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822988A (en) * | 2016-03-26 | 2016-08-03 | 国网山东省电力公司栖霞市供电公司 | Power cable pile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20160826 |