CN203607510U - Electric vehicle battery pack with equalizing charge function - Google Patents
Electric vehicle battery pack with equalizing charge function Download PDFInfo
- Publication number
- CN203607510U CN203607510U CN201320764964.4U CN201320764964U CN203607510U CN 203607510 U CN203607510 U CN 203607510U CN 201320764964 U CN201320764964 U CN 201320764964U CN 203607510 U CN203607510 U CN 203607510U
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- battery pack
- battery core
- monomer
- battery
- charging module
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to an electric vehicle battery pack with an equalizing charge function. Both an equalizing charge circuit and a protective circuit are mounted inside a battery, the electric vehicle battery pack can be directly connected with an AC(Alternating Current) supply so as to be charged without an external charger, an equalizing charge mode is adopted during charging, and all monomer battery cells can reach a rated charge voltage during charging each time, and the conformity of the monomer battery cells of the battery pack is realized, so that the service performance of the battery pack is improved, and the service life of the battery pack is prolonged.
Description
Technical field
The utility model relates to a kind of battery of electric vehicle group with equalizing charge, belongs to battery charger field.
Background technology
Conventional battery pack generally consists of serial or parallel connection many monomer battery cores at present, form together with output protection circuit, need to charge time, adopt charger to carry out serial connection charge to battery pack, because battery pack is composed in series by many monomer battery cores, between each monomer battery core, inevitably there is individual difference, and although the mode of serial connection charge is easy, fast, but along with the carrying out of charging, wherein must there be indivedual monomer battery cores to arrive maximum charging voltage, and other monomer battery cores also do not reach this voltage, if continue as batteries charging, must cause some monomer battery core to overcharge, if when total voltage reaches specified charging voltage, wherein some monomer battery core does not also reach maximum charging voltage, this is that charger has just stopped work, must cause indivedual monomer battery core charge less electricity, therefore, indivedual monomer battery cores in battery pack are overcharged or charge less electricity for a long time, cause monomer battery core seriously to produce a polarization, thereby affect the performance and used life of battery pack.
The utility model proposes a kind of battery of electric vehicle group with equalizing charge; equalization charging circuit and protective circuit are all arranged on to inside battery; this battery pack, without configuring separately charger, can directly be connected in AC power and charge, and simultaneously each charging all adopts equalizing charge mode.
Summary of the invention
The utility model is intended to propose a kind of battery of electric vehicle group with equalizing charge; equalization charging circuit and protective circuit are all arranged on to inside battery; without external charge machine; directly be connected in AC power and just can charge; when charging, adopt equalizing charge pattern; each charging all guarantees that whole monomer battery cores reach specified charging voltage, and the consistency of the monomer battery core of battery pack is provided, thereby improves serviceability and the useful life of battery pack.
For realizing above-mentioned object, the utility model adopts following technical scheme:
A kind of battery of electric vehicle group with equalizing charge, comprise: monomer battery core 1 (5-1)～monomer battery core N (5-n), switching tube (4), input terminal (1), lead-out terminal (2), balance protection control circuit (3), is shown in accompanying drawing 1;
Described balance protection control circuit (3) comprises processor unit (3[1]), sampling protective circuit (3[2]), charging module 1 (3[3]-1)～charging module N (3[3]-n), charged state lamp 1 (3[4]-1)～charged state lamp N (3[4]-n), see accompanying drawing 2;
Below with reference to the accompanying drawings 1 and accompanying drawing 2, the course of work of the present utility model is described:
Monomer battery core 1 (5-1)～monomer battery core N (5-n) is composed in series battery pack; input terminal (1) connects AC power; for battery pack provides charging required electric energy; lead-out terminal (2) connects electric motor car; for electric motor car provides power output; balance protection control circuit (3) is connected in battery pack; gather the voltage of monomer battery core 1 (5-1)～monomer battery core N (5-n) in battery pack; and to control charging circuit be that battery pack starts charging or stops charging, control battery pack output by the switching tube (4) connecting and start or turn-off.
Processor unit (3[1]) gathers the voltage of monomer battery core in battery pack by sampling protective circuit (3[2]), and control whether externally output of battery pack by switching tube (4), processor unit (3[1]) control charging module 1 (3[3]-1)～charging module N (3[3]-n) be that monomer battery core in battery pack is charged, and according to charged state, control corresponding charging module and start or stop work, the charged state lamp 1 of processor unit (3[1]) control connection (3[4]-1)～charged state lamp N (3[4]-n) indicate corresponding charging module 1 (3[3]-1)～charging module N (3[3]-operating state n).
Charging module 1 (3[3]-1)～charging module N (3[3]-when n) monomer battery core 1 (the 5-1)～monomer battery core N (5-n) in battery pack charging, the voltage of processor unit (3[1]) Real-time Collection monomer battery core 1 (5-1)～monomer battery core N (5-n), in the time that certain monomer battery core reaches specified charging voltage, stop the work of the charging module being connected with this monomer battery core, and control the charged state lamp corresponding with this charging module and light, in the time that whole monomer battery cores all reach specified charging voltage, charging finishes.
Described charging module 1 (3[3]-1)～charging module N (3[3]-n) identical with monomer battery core 1 (5-1)～monomer battery core N (5-n) quantity in battery pack.
Described charged state lamp 1 (3[4]-1)～charged state lamp N (3[4]-n) identical with monomer battery core 1 (5-1)～monomer battery core N (5-n) quantity in battery pack.
The beneficial effects of the utility model:
(1) without external charge machine, directly connect AC power and just can charge to battery pack, use more convenient;
(2) each charging all adopts equalizing charge pattern, guarantees the dynamic property consistency of battery pack, improves battery pack useful life.
accompanying drawing explanation:
Fig. 1 is theory diagram of the present utility model;
Fig. 2 is balance protection control circuit theory diagram of the present utility model.
embodiment:
In order to make the technical solution of the utility model clearer, below in conjunction with drawings and Examples, the utility model is further described, instantiation described herein, only, in order to explain the utility model, is not limited to the utility model.
embodiment 1:
1, battery of electric vehicle group is connected with electric motor car by lead-out terminal (2);
2, processor unit (3[1]) gathers the voltage of monomer battery core in battery pack by sampling protective circuit (3[2]);
3, processor unit (3[1]) control switch pipe (4) conducting, to electric motor car output electric energy, and by charged state lamp 1 (3[4]-1)～charged state lamp N (3[4]-n) indication dump energy;
4, in the time that dump energy is not enough, and processor unit (3[1]) control switch pipe (4) shutoff, stop externally exporting electric energy, now need battery pack to charge.
embodiment 2:
1, battery of electric vehicle group is connected to AC power by input terminal (1);
2, processor unit (3[1]) gathers the voltage of monomer battery core in battery pack by sampling protective circuit (3[2]);
3, processor unit (3[1]) control charging module 1 (3[3]-1)～charging module N (3[3]-n) be that monomer battery core 1 (5-1)～monomer battery core N (5-n) in battery pack charges;
4,, in the time that a certain monomer battery core reaches specified charging voltage, processor unit (3[1]) is controlled the charging module being connected with this monomer battery core and is stopped charging and export, and controls corresponding charged state lamp and light;
5, in the time that whole monomer battery cores of battery pack all reach specified charging voltage, all charged state lamp is lighted, and charging finishes, and now the input terminal of battery pack (1) can be taken off from AC power, can be installed in electric motor car and use.
Claims (4)
1. the battery of electric vehicle group with equalizing charge, comprise: monomer battery core 1 (5-1)～monomer battery core N (5-n), switching tube (4), input terminal (1), lead-out terminal (2), balance protection control circuit (3), it is characterized in that: monomer battery core 1 (5-1)～monomer battery core N (5-n) is composed in series battery pack, input terminal (1) connects AC power, for battery pack provides charging required electric energy, lead-out terminal (2) connects electric motor car, for electric motor car provides power output, balance protection control circuit (3) is connected in battery pack, gather the voltage of monomer battery core 1 (5-1)～monomer battery core N (5-n) in battery pack, and control charging circuit be battery pack start charging or stop charging, controlling battery pack output by the switching tube (4) connecting starts or turn-offs.
2. a kind of battery of electric vehicle group with equalizing charge according to claim 1, it is characterized in that: described balance protection control circuit (3) comprises processor unit (3[1]), sampling protective circuit (3[2]), charging module 1 (3[3]-1)～charging module N (3[3]-n), charged state lamp 1 (3[4]-1)～charged state lamp N (3[4]-n), processor unit (3[1]) gathers the voltage of monomer battery core in battery pack by sampling protective circuit (3[2]), and control whether externally output of battery pack by switching tube (4), processor unit (3[1]) control charging module 1 (3[3]-1)～charging module N (3[3]-n) be that monomer battery core in battery pack is charged, and according to charged state, control corresponding charging module and start or stop work, the charged state lamp 1 of processor unit (3[1]) control connection (3[4]-1)～charged state lamp N (3[4]-n) indicate corresponding charging module 1 (3[3]-1)～charging module N (3[3]-operating state n).
3. a kind of battery of electric vehicle group with equalizing charge according to claim 2, is characterized in that: charging module 1 (3[3]-1)～charging module N (3[3]-n) identical with monomer battery core 1 (5-1)～monomer battery core N (5-n) quantity in battery pack.
4. a kind of battery of electric vehicle group with equalizing charge according to claim 2, is characterized in that: charged state lamp 1 (3[4]-1)～charged state lamp N (3[4]-n) identical with monomer battery core 1 (5-1)～monomer battery core N (5-n) quantity in battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320764964.4U CN203607510U (en) | 2013-11-29 | 2013-11-29 | Electric vehicle battery pack with equalizing charge function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320764964.4U CN203607510U (en) | 2013-11-29 | 2013-11-29 | Electric vehicle battery pack with equalizing charge function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203607510U true CN203607510U (en) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320764964.4U Expired - Fee Related CN203607510U (en) | 2013-11-29 | 2013-11-29 | Electric vehicle battery pack with equalizing charge function |
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| Country | Link |
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| CN (1) | CN203607510U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633391A (en) * | 2013-11-29 | 2014-03-12 | 哈尔滨智木科技有限公司 | Electric vehicle battery pack with equalizing charge function |
-
2013
- 2013-11-29 CN CN201320764964.4U patent/CN203607510U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633391A (en) * | 2013-11-29 | 2014-03-12 | 哈尔滨智木科技有限公司 | Electric vehicle battery pack with equalizing charge function |
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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 |
Granted publication date: 20140521 Termination date: 20141129 |
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| EXPY | Termination of patent right or utility model |