CN204967290U - Electric motor car lead -acid batteries equalizing charge ware - Google Patents
Electric motor car lead -acid batteries equalizing charge ware Download PDFInfo
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- CN204967290U CN204967290U CN201420856992.3U CN201420856992U CN204967290U CN 204967290 U CN204967290 U CN 204967290U CN 201420856992 U CN201420856992 U CN 201420856992U CN 204967290 U CN204967290 U CN 204967290U
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Abstract
The utility model is suitable for an electric motor car field, the utility model provides an electric motor car lead -acid batteries equalizing charge ware, the charger includes: 4 individual battery voltage detection circuitry, microprocessor MCU, 4 discharge return circuit and lead accumulator E1, E2, E3, E4. The utility model provides a technical scheme has equalizing charge's advantage.
Description
Technical field
The utility model belongs to electric automobiles, particularly relates to a kind of electric motor car lead-acid battery equalizing charger.
Background technology
Electric motor car, i.e. electric bicycle and battery-operated motor cycle, refer to using storage battery as supplementary energy on the basis of ordinary bicycle, the Personal Transporter of the electromechanical integration of the control members such as motor, controller, storage battery, handle brake lever and Displaying Meter system has been installed.
The voltage of the single storage battery of electric motor car and finite capacity, will form series connected battery group to use in many instances.But the battery in batteries exists balanced problem, how improving the useful life of batteries, improve the stability of system and reduce cost, is the major issue of pendulum in face of us.The useful life of storage battery determined by many-sided factor, wherein the most important thing is the physical property of storage battery itself.In addition, low and irrational discharge and recharge system of battery management technique is also cause the major reason of shorter battery life.Concerning batteries, remove above-mentioned reason, the inconsistency between cell is also a key factor.Two-wire system series connection is mostly adopted in the daily charging process of traditional lead acid batteries group, a total voltage is adopted to carry out " barbarous charging " to the random dividing potential drop of each series-connected cell, internal battery pack each battery is due to reasons such as manufacturing process, can not accomplish that performance is completely the same, when there is the difference in performance in the initial stage, single the battery that capacity is little is full of at first, and formation overcharges.The battery that during electric discharge, this capacity is little also discharges at first, and is formed and put, and for a long time so, vicious circle, thus whole Battery pack group is scrapped in advance, shortens battery pack normal useful life.
Utility model content
The purpose of this utility model is to provide a kind of electric motor car lead-acid battery equalizing charger, is intended to solve the problem that the barbarous charging modes of existing charger causes lead-acid battery of electric vehicle group premature termination useful life.
The utility model is achieved in that provide a kind of electric motor car lead-acid battery equalizing charger, described charger comprises: 4 battery voltage detection circuits, Micro-processor MCV, 4 discharge loops and lead accumulator E1, E2, E3, E4 on the one hand; Wherein,
No. 20 pins of Micro-processor MCV connect one end of electric capacity C2, the other end ground connection of C2, one end of No. 20 pins also contact resistance R9, another terminating load negative pole of R9;
No. 16 pins of Micro-processor MCV connect a interface of the first discharge loop; The b connector of the first discharge loop connects the negative pole of lead accumulator E1, and the c connector of the first discharge loop connects positive source, and the d interface of the first battery voltage detection circuit connects E1 positive pole, and e interface connects No. 2 pins of MCU; Positive source is also connected with lead accumulator E1 positive pole, and lead accumulator E1 negative pole connects lead accumulator E2 positive pole, and lead accumulator E2 negative pole connects lead accumulator E3 positive pole, and lead accumulator E3 negative pole connects lead accumulator E4 positive pole, lead accumulator E4 negative pole connecting resistance R9;
No. 13 pins of Micro-processor MCV connect a interface of the second discharge loop; The b connector of the second discharge loop connects the negative pole of lead accumulator E2, and the c connector of the second discharge loop connects E2 positive pole, and the d interface of the second battery voltage detection circuit connects E2 positive pole, and e interface connects No. 3 pins of MCU;
No. 12 pins of Micro-processor MCV connect a interface of the 3rd discharge loop; The b connector of the 3rd discharge loop connects the negative pole of lead accumulator E3, and the c connector of the 3rd discharge loop connects E3 positive pole, and the d interface of the 3rd battery voltage detection circuit connects E3 positive pole, and e interface connects No. 19 pins of MCU;
No. 11 pins of Micro-processor MCV connect a interface of the 4th discharge loop; The b connector of the 4th discharge loop connects the negative pole of lead accumulator E4, and the c connector of the 4th discharge loop connects E4 positive pole, and the d interface of the 4th battery voltage detection circuit connects E4 positive pole, and e interface connects No. 18 pins of MCU.
Optionally, described discharge loop comprises: resistance, field effect transistor Q1, triode Q2; Wherein, one end of R1 is a interface of discharge loop, the base stage of the other end connecting triode Q2 of R1, the grounded emitter of Q2, one end of the collector electrode contact resistance R2 of Q2, one end of the other end contact resistance R3 of resistance R2, the other end of resistance R3 is the C interface of discharge loop, and one end of R3 is also connected with the grid of field effect transistor Q1, and the drain electrode of Q1 is connected with the other end of R3, the source electrode of Q1 is connected with one end of resistance R4, and the other end of R4 is the b interface of discharge loop.
Optionally, described battery voltage detection circuit comprises: resistance and electric capacity, wherein, one end of resistance R5 and resistance R6 is the d interface of battery voltage detection circuit, the other end of R5, R6 is connected with one end of resistance R7, the other end ground connection of R7, and one end of R7 is also connected with one end of electric capacity C1, the other end ground connection of electric capacity C1, one end of electric capacity C1 is the e interface of battery voltage detection circuit.
The utility model compared with prior art, beneficial effect is: because the technical solution of the utility model provides brand-new charger real time equaliser circuit, each series-connected cell can be allowed to remain in charging process, and voltage is consistent, neither overcharge also not charge less, so it has the advantage improving the lead-acid battery of electric vehicle group life-span.
Accompanying drawing explanation
The circuit theory diagrams of the electric motor car lead-acid battery equalizing charger that Fig. 1 provides for the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of electric motor car lead-acid battery equalizing charger, and this charger as shown in Figure 1, comprising: 4 discharge loops 90, Micro-processor MCV, 4 battery voltage detection circuits 91 and lead accumulator E1, E2, E3, E4; Wherein,
No. 20 pins of Micro-processor MCV connect one end of electric capacity C2, the other end ground connection of C2, one end of No. 20 pins also contact resistance R9, the other end load negative pole of R9;
No. 16 pins of Micro-processor MCV connect a interface of the first discharge loop; The b connector of the first discharge loop connects the negative pole of lead accumulator E1, and the c connector of the first discharge loop connects positive source, and the d interface of the first battery voltage detection circuit connects E1 positive pole, and e interface connects No. 2 pins of MCU; Positive source is also connected with lead accumulator E1 positive pole, and lead accumulator E1 negative pole connects lead accumulator E2 positive pole, and lead accumulator E2 negative pole connects lead accumulator E3 positive pole, and lead accumulator E3 negative pole connects lead accumulator E4 positive pole, lead accumulator E4 negative pole connecting resistance R9;
No. 13 pins of Micro-processor MCV connect a interface of the second discharge loop; The b connector of the second discharge loop connects the negative pole of lead accumulator E2, and the c connector of the second discharge loop connects E2 positive pole, and the d interface of the second battery voltage detection circuit connects E2 positive pole, and e interface connects No. 3 pins of MCU;
No. 12 pins of Micro-processor MCV connect a interface of the 3rd discharge loop; The b connector of the 3rd discharge loop connects the negative pole of lead accumulator E3, and the c connector of the 3rd discharge loop connects E3 positive pole, and the d interface of the 3rd battery voltage detection circuit connects E3 positive pole, and e interface connects No. 19 pins of MCU;
No. 11 pins of Micro-processor MCV connect a interface of the 4th discharge loop; The b connector of the 4th discharge loop connects the negative pole of lead accumulator E4, and the c connector of the 4th discharge loop connects E4 positive pole, and the d interface of the 4th battery voltage detection circuit connects E4 positive pole, and e interface connects No. 18 pins of MCU.
The technical solution of the utility model provides brand-new charger real time equaliser circuit, and each series-connected cell can be allowed to remain in charging process, and voltage is consistent, neither overcharges also not charge less, so it has the advantage improving the lead-acid battery of electric vehicle group life-span.
Above-mentioned MCU pin can be all input and output pin.
Optionally, described discharge loop comprises: resistance, field effect transistor Q1, triode Q2; Wherein, one end of R1 is a interface of discharge loop, the base stage of the other end connecting triode Q2 of R1, the grounded emitter of Q2, one end of the collector electrode contact resistance R2 of Q2, one end of the other end contact resistance R3 of resistance R2, the other end of resistance R3 is the C interface of discharge loop, and one end of R3 is also connected with the grid of field effect transistor Q1, and the drain electrode of Q1 is connected with the other end of R3, the source electrode of Q1 is connected with one end of resistance R4, and the other end of R4 is the b interface of discharge loop.
Optionally, described battery voltage detection circuit comprises: resistance and electric capacity, wherein, one end of resistance R5 and resistance R6 is the d interface of battery voltage detection circuit, the other end of R5, R6 is connected with one end of resistance R7, the other end ground connection of R7, and one end of R7 is also connected with one end of electric capacity C1, the other end ground connection of electric capacity C1, one end of electric capacity C1 is the e interface of battery voltage detection circuit.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (3)
1. an electric motor car lead-acid battery equalizing charger, is characterized in that, described charger comprises: 4 battery voltage detection circuits, Micro-processor MCV, 4 discharge loops and lead accumulator E1, E2, E3, E4; Wherein, No. 20 pins of Micro-processor MCV connect one end of electric capacity C2, the other end ground connection of C2, one end of No. 20 pins also contact resistance R9, another terminating load negative pole of R9;
No. 16 pins of Micro-processor MCV connect a interface of the first discharge loop; The b connector of the first discharge loop connects the negative pole of lead accumulator E1, and the c connector of the first discharge loop connects positive source, and the d interface of the first battery voltage detection circuit connects E1 positive pole, and e interface connects No. 2 pins of MCU; Positive source is also connected with lead accumulator E1 positive pole, and lead accumulator E1 negative pole connects lead accumulator E2 positive pole, and lead accumulator E2 negative pole connects lead accumulator E3 positive pole, and lead accumulator E3 negative pole connects lead accumulator E4 positive pole, lead accumulator E4 negative pole connecting resistance R9;
No. 13 pins of Micro-processor MCV connect a interface of the second discharge loop; The b connector of the second discharge loop connects the negative pole of lead accumulator E2, and the c connector of the second discharge loop connects E2 positive pole, and the d interface of the second battery voltage detection circuit connects E2 positive pole, and e interface connects No. 3 pins of MCU;
No. 12 pins of Micro-processor MCV connect a interface of the 3rd discharge loop; The b connector of the 3rd discharge loop connects the negative pole of lead accumulator E3, and the c connector of the 3rd discharge loop connects E3 positive pole, and the d interface of the 3rd battery voltage detection circuit connects E3 positive pole, and e interface connects No. 19 pins of MCU;
No. 11 pins of Micro-processor MCV connect a interface of the 4th discharge loop; The b connector of the 4th discharge loop connects the negative pole of lead accumulator E4, and the c connector of the 4th discharge loop connects E4 positive pole, and the d interface of the 4th battery voltage detection circuit connects E4 positive pole, and e interface connects No. 18 pins of MCU.
2. charger according to claim 1, is characterized in that, described discharge loop comprises: resistance, field effect transistor Q1, triode Q2; Wherein, one end of R1 is a interface of discharge loop, the base stage of the other end connecting triode Q2 of R1, the grounded emitter of Q2, one end of the collector electrode contact resistance R2 of Q2, one end of the other end contact resistance R3 of resistance R2, the other end of resistance R3 is the C interface of discharge loop, and one end of R3 is also connected with the grid of field effect transistor Q1, and the drain electrode of Q1 is connected with the other end of R3, the source electrode of Q1 is connected with one end of resistance R4, and the other end of R4 is the b interface of discharge loop.
3. charger according to claim 1, it is characterized in that, described battery voltage detection circuit comprises: resistance and electric capacity, wherein, one end of resistance R5 and resistance R6 is the d interface of battery voltage detection circuit, and the other end of R5, R6 is connected with one end of resistance R7, the other end ground connection of R7, one end of R7 is also connected with one end of electric capacity C1, the other end ground connection of electric capacity C1, and one end of electric capacity C1 is the e interface of battery voltage detection circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420856992.3U CN204967290U (en) | 2014-12-30 | 2014-12-30 | Electric motor car lead -acid batteries equalizing charge ware |
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| CN201420856992.3U CN204967290U (en) | 2014-12-30 | 2014-12-30 | Electric motor car lead -acid batteries equalizing charge ware |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112186852A (en) * | 2020-09-30 | 2021-01-05 | 宁波新舜信息科技有限公司 | Marine BMS passive equalization control circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112186852A (en) * | 2020-09-30 | 2021-01-05 | 宁波新舜信息科技有限公司 | Marine BMS passive equalization control circuit |
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Effective date of registration: 20170216 Address after: 516000 Guangdong Province, Huizhou city Huicheng District Lek Lin Zhen Ying Guang Cun Patentee after: Ying Meng Science and Technology Ltd. of Huizhou City Patentee after: Tang Ze brake (Tianjin) Co., Ltd. Address before: 516000 Guangdong Province, Huizhou city Huicheng District Lek Lin Zhen Ying Guang Cun Patentee before: Ying Meng Science and Technology Ltd. of Huizhou City |
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| TR01 | Transfer of patent right |
Effective date of registration: 20180626 Address after: 516000 Ying Guang village, leing Town, Huicheng District, Huizhou, Guangdong, China Patentee after: Ying Meng Science and Technology Ltd. of Huizhou City Address before: 516000 Ying Guang village, leing Town, Huicheng District, Huizhou, Guangdong, China Co-patentee before: Tang Ze brake (Tianjin) Co., Ltd. Patentee before: Ying Meng Science and Technology Ltd. of Huizhou City |
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| TR01 | Transfer of patent right |