CN104901354A - Battery system and power device provided with battery system - Google Patents
Battery system and power device provided with battery system Download PDFInfo
- Publication number
- CN104901354A CN104901354A CN201510130466.8A CN201510130466A CN104901354A CN 104901354 A CN104901354 A CN 104901354A CN 201510130466 A CN201510130466 A CN 201510130466A CN 104901354 A CN104901354 A CN 104901354A
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- battery
- battery pack
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- battery system
- electric discharge
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- 230000007704 transition Effects 0.000 claims description 10
- 230000005669 field effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a battery system and a power device provided with the battery system. The battery system comprises a battery pack, a switch system, a charging interface, a switch control circuit, and a discharging interface, wherein the battery pack comprises multiple batteries with consistent specification parameters; the switch system comprises multiple controlled switches arranged among the multiple batteries respectively for controlling serial connection or parallel connection of the multiple batteries; the charging interface is selectively connected with an external charger, when the multiple batteries are in the serial connection or parallel connection state, the positive electrodes are connected with the positive electrode of the battery pack and the negative electrodes are connected with the negative electrode of the battery pack; the switch control circuit is used for controlling switch states of the multiple controlled switches, and when the charging interface is detected to be connected with the external charger, the switch states of the multiple controlled switches are controlled to enable the multiple batteries to be serially connected; and the discharging interface is electively connected with an external device, and when the multiple batteries are in the serial connection or parallel connection state, the positive electrodes are connected with the positive electrode of the battery pack and the negative electrodes are connected with the negative electrode of the battery pack for charging the external device. Through the above mode, quick charging and discharging can be realized.
Description
Technical field
The present invention relates to field of batteries, especially relate to a kind of battery system and the power-supply device comprising this battery system.
Background technology
The existing portable power source charging and discharging time is long, makes portable power source utilance not high, therefore needs to shorten the charging and discharging time, to improve the utilance of portable power source.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of battery system and comprises the power-supply device of this battery system, can realize fast charging and discharging.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of battery system, comprising: battery pack, comprise multiple battery, the specifications parameter of multiple battery is consistent; Switching system, comprises multiple controlled switch, and multiple controlled switch is separately positioned between multiple battery, to control multiple serial battery or parallel connection; Charging inlet, be connected, and when multiple battery is in serial or parallel connection state, the positive pole of charging inlet is all connected with the positive pole of battery pack, negative pole is all connected with the negative pole of battery pack with external charger alternative; ON-OFF control circuit, for controlling the on off state of multiple controlled switch, and when detecting that charging inlet is connected with external charger, controls the on off state of multiple controlled switch to make multiple serial battery; Electric discharge interface, is connected with external equipment alternative, and when multiple battery is in serial or parallel connection state, the positive pole of electric discharge interface is all connected with the positive pole of battery pack, negative pole is all connected with the negative pole of battery pack, and electric discharge interface is used for charging to external equipment.
Wherein, electric discharge interface comprises the first electric discharge interface, battery system also comprises the first electric pressure converter, the positive pole of the first electric pressure converter is connected with the positive pole of battery pack, the negative pole of the first electric pressure converter is connected with the negative pole of battery pack, the voltage transitions that first electric pressure converter is used for battery pack to produce is the first voltage, and wherein the voltage of the first voltage versus cell group generation is high, makes the first electric discharge interface with the first voltage for external equipment charges.
Wherein, ON-OFF control circuit, when detecting that charging inlet is not connected with external charger, controls the on off state of multiple controlled switch to make multiple cell parallel, and the voltage transitions that the first electric pressure converter is used for battery pack to produce is the first voltage.
Wherein, electric discharge interface also comprises the second electric discharge interface, battery system also comprises the second electric pressure converter, the positive pole of the second electric pressure converter is connected with the positive pole of battery pack, the negative pole of the second electric pressure converter is connected with the negative pole of battery pack, the voltage transitions that second electric pressure converter is used for battery pack to produce is the second voltage, and wherein the voltage of the second voltage versus cell group generation is low, makes the second electric discharge interface with the second voltage for external equipment charges.
Wherein, ON-OFF control circuit, when detecting that charging inlet is not connected with external charger, controls the on off state of multiple controlled switch to make multiple serial battery, and the series voltage that the second electric pressure converter is used for battery pack produces is converted to the second voltage.
Wherein, battery system also comprises a hand control switch, the series connection control signal that hand control switch acquisition user manually inputs or shunt control signal, ON-OFF control circuit is when detecting that charging inlet is not connected with external charger, control the on off state of multiple controlled switch to make multiple serial battery according to series connection control signal, and the on off state controlling multiple controlled switch according to shunt control signal is to make multiple cell parallel.
Wherein, the first electric discharge interface and the second electric discharge interface are USB interface.
Wherein, controlled switch comprises repeater, field effect transistor, NPN type triode and PNP type triode.
Wherein, ON-OFF control circuit comprises logic control circuit, singlechip chip, state machine and fpga chip.
For solving the problems of the technologies described above, another technical solution used in the present invention is: provide a kind of portable power source, comprises the battery system described in above-mentioned any one.
The invention has the beneficial effects as follows: the situation being different from prior art, the present invention controls multiple serial battery in battery pack or parallel connection by the switching system comprising multiple controlled switch, the on off state that ON-OFF control circuit controls multiple controlled switch is in serial or parallel connection state to make multiple battery, by charging inlet to batteries charging, ON-OFF control circuit controls the on off state of multiple controlled switch to make multiple serial battery, be connected with external equipment alternative by electric discharge interface, multiple battery is in serial or parallel connection state, battery pack is discharged, to outside equipment charge, charging and discharging fast can be realized.
Accompanying drawing explanation
Fig. 1 is the structural representation of the battery system of the embodiment of the present invention;
Fig. 2 is the connection diagram of the battery system of the embodiment of the present invention.
Embodiment
Refer to Fig. 1, Fig. 1 is the structural representation of the battery system of the embodiment of the present invention.As shown in Figure 1, battery system 10 comprises battery pack 11, switching system 12, electric discharge interface 13, charging inlet 14 and ON-OFF control circuit 15.Battery pack 11 comprises: multiple battery, and the specifications parameter of multiple battery is consistent.Switching system 12 comprises multiple controlled switch, and multiple controlled switch is separately positioned between multiple battery, to control the serial or parallel connection of multiple battery.Charging inlet 14 is connected with external charger alternative, and when multiple battery is in serial or parallel connection state, the positive pole of charging inlet 14 is all connected with the positive pole of battery pack 11, negative pole is all connected with the negative pole of battery pack 11.ON-OFF control circuit 15 for controlling the on off state of multiple controlled switch, and when detecting that charging inlet is connected with external charger, controls the on off state of multiple controlled switch to make multiple serial battery.Electric discharge interface 13 is connected with external equipment alternative, and when multiple battery is in serial or parallel connection state, the positive pole of electric discharge interface 13 is all connected with the positive pole of battery pack 11, negative pole is all connected with the negative pole of battery pack 11, and electric discharge interface 13 is for charging to external equipment.
In embodiment more specifically, as shown in Figure 2, with three battery b1, b2, b3 is example, one end of positive pole connecting valve s1 of battery b1 and one end of switch s7, one end of negative pole connecting valve s3 of battery b1 and one end of switch s6, the other end of the positive pole connecting valve s7 of battery b2, one end of switch s2 and one end of switch s8, the other end of the negative pole connecting valve s1 of battery b2, the other end of switch s3 and one end of switch s4, the other end of positive pole connecting valve s8 of battery b3 and the positive pole of charging inlet 14, the other end of the negative pole connecting valve s2 of battery b3, the other end of switch s4 and one end of switch s5, the other end of negative pole connecting valve s5 of charging inlet 14 and the other end of switch s6.
When being charged to battery system 10 by external charger, when ON-OFF control circuit 15 detects that charging inlet 14 is connected with external charger, controlled switch s1, s2, s6 are closed, and switch s3, s4, s5, s7, s8 disconnect, and battery b1, b2, b3 are in series connection.Now the positive pole of charging inlet 14 connects the positive pole of battery pack 11, and the negative pole of charging inlet 14 connects the negative pole of battery pack 11.During charging, charging current is comparatively large, and charging rate is fast, makes battery pack just can complete charging in the short period of time.In embodiments of the present invention, electric discharge interface 13 comprises the first electric discharge interface 131 and the second electric discharge interface 132, and battery system 10 also comprises the first electric pressure converter 133 and the second electric pressure converter 134.The positive pole of the first electric pressure converter 133 is connected with the positive pole of battery pack 11, the negative pole of the first electric pressure converter 133 is connected with the negative pole of battery pack 11, first electric pressure converter 133 is the first voltage for voltage transitions battery pack 11 produced, wherein the voltage of the first voltage versus cell group 11 generation is high, makes the first electric discharge interface 131 with the first voltage for external equipment charges.Now ON-OFF control circuit 15 is when detecting that charging inlet 14 is not connected with external charger, control the on off state of multiple controlled switch s1, s2, s3, s4, s5, s6, s7, s8 to make multiple cell parallel, the voltage transitions that the first electric pressure converter is used for battery pack to produce is the first voltage.Particularly, ON-OFF control circuit 15 controls controlled switch s1, s2, s6 and disconnects, and controlled switch s3, s4, s5, s7, s8 are closed, make battery pack 11 be in parallel connection.During due to battery pack parallel connection, loop total current is that each battery current sum is comparatively large, and voltage is less than normal, and the voltage transitions that battery pack 11 produces by the first electric pressure converter 133 is the first voltage, to carry out quick charge to external equipment.
The positive pole of the second electric pressure converter 134 is connected with the positive pole of battery pack 11, the negative pole of the second electric pressure converter 134 is connected with the negative pole of battery pack 11, second electric pressure converter 134 is the second voltage for voltage transitions battery pack 11 produced, wherein the voltage of the second voltage versus cell group 11 generation is low, makes the second electric discharge interface 132 with the second voltage for external equipment charges.Now ON-OFF control circuit 15 is when detecting that charging inlet 14 is not connected with external charger, control the on off state of multiple controlled switch s1, s2, s3, s4, s5, s6, s7, s8 to make multiple serial battery, particularly, it is closed that ON-OFF control circuit 15 controls controlled switch s1, s2, s6, controlled switch s3, s4, s5, s7, s8 disconnect, and make battery pack 11 be in series connection.Battery pack series connection time, loop total voltage is each cell voltage sum, and voltage the second electric pressure converter 134 bigger than normal is converted to the second voltage for series voltage battery pack 11 produced, with quick to external equipment charging while, prevent overvoltage.So can realize charging to external equipment fast.
In embodiments of the present invention, battery system also comprises a hand control switch (not shown), hand control switch 16 obtains the series connection control signal or shunt control signal that user manually inputs, ON-OFF control circuit 15 is when detecting that charging inlet 14 is not connected with external charger, control the on off state of multiple controlled switch to make multiple serial battery according to series connection control signal, and the on off state controlling multiple controlled switch according to shunt control signal is to make multiple cell parallel.Particularly, first electric discharge interface 131 with the first voltage for external equipment charge time, hand control switch 16 obtains the shunt control signal that user manually inputs, and ON-OFF control circuit 15 controls the on off state of multiple controlled switch to make multiple cell parallel according to shunt control signal.Second electric discharge interface 132 with the second voltage for external equipment charge time, hand control switch 16 obtains the series connection control signal that user manually inputs, and ON-OFF control circuit 15 controls the on off state of multiple controlled switch to make multiple serial battery according to series connection control signal.
Specifically, when battery system connection external charger is charged, according to electricity formula: Q=I × t; Wherein, Q is the electricity of battery, I is the charging current of battery, t is the charging interval, and because external charger is that interchange turns commutator transformer, it is directly electrically connected with outside city, the alternating current provided by civil power is converted to direct current, because civil power can provide larger alternating current, therefore external charger can produce larger direct current according to alternating current, utilizes this direct current can carry out quick charge to series battery.During owing to charging to the battery pack of series connection, charging current is consistent, therefore and relative to charging safer for the battery pack of parallel connection.
In like manner, connect external equipment at battery system to discharge, when selecting parallel, batteries in parallel connection group can provide larger discharging current, by the first electric pressure converter, the voltage of batteries in parallel connection group is raised (making it greater than or equal to the charging voltage of external equipment) in the present invention, thus quick charge can be carried out to external equipment.
And discharge at battery system connection external equipment, when selecting to be connected in series mode, series battery can provide larger discharge voltage, the voltage of series battery is reduced (making it greater than or equal to the charging voltage of external equipment) by the second electric pressure converter in the present invention, thus can charge to external equipment.
Wherein, parallel discharge is preferred discharge mode of the present invention.
In embodiments of the present invention, the first electric discharge interface 131 and the second electric discharge interface 132 are USB (Universal Serial Bus, USB) interface.Controlled switch s1, s2, s3, s4, s5, s6, s7, s8 can comprise repeater, field effect transistor, NPN type triode and PNP type triode.ON-OFF control circuit 15 can comprise logic control circuit, singlechip chip, state machine and FPGA (Field-Programmable Gate Array, field programmable gate array) chip.
The present invention also protects a kind of power-supply device, and this portable power source comprises above-mentioned battery system 10, can realize charging and discharging fast, improves the utilance of portable power source.
In sum, the present invention controls multiple serial battery in battery pack or parallel connection by the switching system comprising multiple controlled switch, the on off state that ON-OFF control circuit controls multiple controlled switch is in serial or parallel connection state to make multiple battery, by charging inlet to batteries charging, ON-OFF control circuit controls the on off state of multiple controlled switch to make multiple serial battery, be connected with external equipment alternative by electric discharge interface, multiple battery is in serial or parallel connection state, battery pack is discharged, to outside equipment charge, charging and discharging fast can be realized.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a battery system, is characterized in that, comprising:
Battery pack, comprises multiple battery, and the specifications parameter of described multiple battery is consistent;
Switching system, comprises multiple controlled switch, and described multiple controlled switch is separately positioned between described multiple battery, to control described multiple serial battery or parallel connection;
Charging inlet, be connected, and when described multiple battery is in serial or parallel connection state, the positive pole of described charging inlet is all connected with the positive pole of described battery pack, negative pole is all connected with the negative pole of described battery pack with external charger alternative;
ON-OFF control circuit, for controlling the on off state of described multiple controlled switch, and when detecting that described charging inlet is connected with described external charger, controls the on off state of described multiple controlled switch to make described multiple serial battery;
Electric discharge interface, be connected with external equipment alternative, and when described multiple battery is in serial or parallel connection state, the positive pole of described electric discharge interface is all connected with the positive pole of described battery pack, negative pole is all connected with the negative pole of described battery pack, and described electric discharge interface is used for charging to described external equipment.
2. battery system according to claim 1, it is characterized in that, described electric discharge interface comprises the first electric discharge interface, described battery system also comprises the first electric pressure converter, the positive pole of described first electric pressure converter is connected with the positive pole of described battery pack, the negative pole of described first electric pressure converter is connected with the negative pole of described battery pack, the voltage transitions that described first electric pressure converter is used for described battery pack to produce is the first voltage, the voltage that battery pack described in wherein said first voltage ratio produces is high, described first electric discharge interface is made to be the charging of described external equipment with described first voltage.
3. battery system according to claim 2, it is characterized in that, described ON-OFF control circuit is when detecting that described charging inlet is not connected with described external charger, control the on off state of described multiple controlled switch to make described multiple cell parallel, the voltage transitions that described first electric pressure converter is used for described battery pack to produce is described first voltage.
4. battery system according to claim 2, it is characterized in that, described electric discharge interface also comprises the second electric discharge interface, described battery system also comprises the second electric pressure converter, the positive pole of described second electric pressure converter is connected with the positive pole of described battery pack, the negative pole of described second electric pressure converter is connected with the negative pole of described battery pack, the voltage transitions that described second electric pressure converter is used for described battery pack to produce is the second voltage, the voltage that battery pack described in wherein said second voltage ratio produces is low, described second electric discharge interface is made to be the charging of described external equipment with described second voltage.
5. battery system according to claim 4, it is characterized in that, described ON-OFF control circuit is when detecting that described charging inlet is not connected with described external charger, control the on off state of described multiple controlled switch to make described multiple serial battery, described second electric pressure converter is used for the series voltage that described battery pack produces to be converted to described second voltage.
6. battery system according to claim 5, it is characterized in that, described battery system also comprises a hand control switch, the series connection control signal that described hand control switch acquisition user manually inputs or shunt control signal, described ON-OFF control circuit is when detecting that described charging inlet is not connected with described external charger, the on off state of described multiple controlled switch is controlled to make described multiple serial battery according to described series connection control signal, and control the on off state of described multiple controlled switch to make described multiple cell parallel according to described shunt control signal.
7. battery system according to claim 4, is characterized in that, described first electric discharge interface and the second electric discharge interface are USB interface.
8. battery system according to claim 1, is characterized in that, described controlled switch comprises repeater, field effect transistor, NPN type triode and PNP type triode.
9. battery system according to claim 1, is characterized in that, described ON-OFF control circuit comprises logic control circuit, singlechip chip, state machine and fpga chip.
10. a power-supply device, is characterized in that, described portable power source comprises the battery system described in any one of claim 1-8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510130466.8A CN104901354A (en) | 2015-03-23 | 2015-03-23 | Battery system and power device provided with battery system |
| PCT/CN2016/072659 WO2016150250A1 (en) | 2015-03-23 | 2016-01-29 | Battery system and power supply equipment comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510130466.8A CN104901354A (en) | 2015-03-23 | 2015-03-23 | Battery system and power device provided with battery system |
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| CN104901354A true CN104901354A (en) | 2015-09-09 |
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| CN201510130466.8A Pending CN104901354A (en) | 2015-03-23 | 2015-03-23 | Battery system and power device provided with battery system |
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| CN (1) | CN104901354A (en) |
| WO (1) | WO2016150250A1 (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932505A (en) * | 2016-07-05 | 2016-09-07 | 湖南长高电气有限公司 | Adapter box between battery pack of electric automobile and high-voltage distribution box |
| WO2016150250A1 (en) * | 2015-03-23 | 2016-09-29 | 百特通发展（香港）有限公司 | Battery system and power supply equipment comprising same |
| CN106786998A (en) * | 2017-02-24 | 2017-05-31 | 维沃移动通信有限公司 | A kind of control method of charge-discharge circuit, mobile terminal and battery charging and discharging |
| CN107171382A (en) * | 2017-05-19 | 2017-09-15 | 宁德时代新能源科技股份有限公司 | Battery pack charging system and method |
| CN110768313A (en) * | 2018-07-25 | 2020-02-07 | 南京奥视威电子科技股份有限公司 | Battery and external part |
| CN110914101A (en) * | 2018-06-29 | 2020-03-24 | 深圳市大疆创新科技有限公司 | Charger and unmanned vehicles system |
| WO2020135116A1 (en) * | 2018-12-25 | 2020-07-02 | 常州市派腾电子技术服务有限公司 | Charging control method and apparatus |
| CN111900769A (en) * | 2019-05-06 | 2020-11-06 | 华为技术有限公司 | Charging control circuit and electronic equipment |
| USD929336S1 (en) | 2019-09-05 | 2021-08-31 | Techtronic Cordless Gp | Electrical interface |
| USD929337S1 (en) | 2019-09-05 | 2021-08-31 | Techtronic Cordless Gp | Electrical interface |
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| USD953268S1 (en) | 2019-09-05 | 2022-05-31 | Techtronic Cordless Gp | Electrical interface |
| US11424504B2 (en) | 2019-08-09 | 2022-08-23 | Techtronic Cordless Gp | Battery pack support portion configured to accommodate multiple different device interfaces |
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| WO2016150250A1 (en) * | 2015-03-23 | 2016-09-29 | 百特通发展（香港）有限公司 | Battery system and power supply equipment comprising same |
| CN105932505A (en) * | 2016-07-05 | 2016-09-07 | 湖南长高电气有限公司 | Adapter box between battery pack of electric automobile and high-voltage distribution box |
| CN105932505B (en) * | 2016-07-05 | 2018-11-30 | 湖南长高电气有限公司 | Adapter box between battery pack of electric automobile and high-voltage distribution box |
| CN106786998A (en) * | 2017-02-24 | 2017-05-31 | 维沃移动通信有限公司 | A kind of control method of charge-discharge circuit, mobile terminal and battery charging and discharging |
| CN107171382A (en) * | 2017-05-19 | 2017-09-15 | 宁德时代新能源科技股份有限公司 | Battery pack charging system and method |
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| WO2020135116A1 (en) * | 2018-12-25 | 2020-07-02 | 常州市派腾电子技术服务有限公司 | Charging control method and apparatus |
| CN111370789A (en) * | 2018-12-25 | 2020-07-03 | 常州市派腾电子技术服务有限公司 | Charging control method and device |
| WO2020224467A1 (en) * | 2019-05-06 | 2020-11-12 | 华为技术有限公司 | Charging control circuit and electronic device |
| CN111900769A (en) * | 2019-05-06 | 2020-11-06 | 华为技术有限公司 | Charging control circuit and electronic equipment |
| CN111900769B (en) * | 2019-05-06 | 2024-10-29 | 华为技术有限公司 | Charging control circuit and electronic equipment |
| US11916245B2 (en) | 2019-08-09 | 2024-02-27 | Techtronic Cordless Gp | Battery pack support portion configured to accommodate multiple different device interfaces |
| US11424504B2 (en) | 2019-08-09 | 2022-08-23 | Techtronic Cordless Gp | Battery pack support portion configured to accommodate multiple different device interfaces |
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Effective date of registration: 20160105 Address after: Chinese Hongkong central 89 Queensway Lippo center 2 room 2107 Applicant after: Baxter development (Hongkong) Co. Ltd. Address before: 4240721 Hill street, Dusseldorf, Germany Applicant before: THOMAS DARMITZ |
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Application publication date: 20150909 |