CN206841200U - A kind of series-connected batteries equalization charging circuit of electric automobile - Google Patents
A kind of series-connected batteries equalization charging circuit of electric automobile Download PDFInfo
- Publication number
- CN206841200U CN206841200U CN201720664881.6U CN201720664881U CN206841200U CN 206841200 U CN206841200 U CN 206841200U CN 201720664881 U CN201720664881 U CN 201720664881U CN 206841200 U CN206841200 U CN 206841200U
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- battery
- diode
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- circuit
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The utility model discloses a kind of series-connected batteries equalization charging circuit of electric automobile, including batteries, the first diverter module, the second diverter module and the 3rd diverter module, batteries are made up of battery B1, battery B2, battery B3 and battery B4, first diverter module includes FET Q1 and diode D1, second diverter module includes FET Q2 and diode D2, and the 3rd diverter module includes FET Q3 and diode D3.The series-connected batteries equalization charging circuit of electric automobile of the present utility model, the external parameter of battery detect and analyze in real time using three component flow modules, so as to realize constant-current charge, constant-voltage charge and floating charge to battery, by energy from the high battery transfer of voltage to the low battery of voltage, effectively realize equalizaing charge, and overcome the inconsistency between battery, the service life of battery pack is greatly prolonged, improves battery pack service efficiency.
Description
Technical field
Electric vehicle engineering field is the utility model is related to, the series-connected batteries equilibrium of specially a kind of electric automobile is filled
Circuit.
Background technology
No pollution can be achieved in electric automobile by the use of battery as power source in use, and therefore, it can effectively solve vapour
Car blowdown and energy problem.In general electric automobile all provides power using batteries, and these battery packs are by cell
It is in series, problem of inconsistency when thus presence charging is put between monomer capacity, so as to influence the use longevity of battery
The reliability of life and efficiency and system.
Utility model content
The purpose of this utility model is the series-connected batteries equalization charging circuit for providing a kind of electric automobile, possesses
Weighing apparatus charging, the service life for extending battery pack, the advantages of battery pack service efficiency is improved, the battery for solving existing electric automobile
Group is in series by cell, problem of inconsistency when thus being put in the presence of charging between monomer capacity, so as to influence to store
The problem of reliability of the service life and efficiency of battery and system.
To achieve the above object, the utility model provides following technical scheme：A kind of series-connected batteries of electric automobile
Equalization charging circuit, including batteries, the first diverter module, the second diverter module and the 3rd diverter module, the battery
Group is made up of battery B1, battery B2, battery B3 and battery B4, the battery B1, battery B2, battery B3
It is sequentially connected in series in circuit with battery B4, first diverter module is connected in parallel on battery B1 and battery B2 side, the
One diverter module includes FET Q1 and diode D1, and the FET Q1 and diode D1 are sequentially connected in series in circuit,
Second diverter module is connected in parallel on battery B2 and battery B3 side, the second diverter module include FET Q2 and
Diode D2, the FET Q2 and diode D2 are sequentially connected in series in circuit, and the 3rd diverter module includes field-effect
Pipe Q3 and diode D3, the FET Q3 are connected in parallel on battery B4 side, and the diode D3 is connected in parallel on battery B4
Opposite side, electrically connected between FET Q3 and diode D3 by circuit, the first diverter module and the second diverter module it
Between be additionally provided with resistance L1 and resistance L2, one end of the resistance L1 is electrically connected by the drain D of branch circuit and FET Q1
Connect, the resistance L1 other end is electrically connected by branch circuit with the first FET Q2 source S, and one end of the resistance L2 leads to
The drain D that branch circuit is crossed with FET Q2 is electrically connected, and the resistance L2 other end is electrically connected by branch circuit and diode D1
Connect.
Preferably, one end of the batteries is electrically connected by circuit with constant-current supply, and one end of batteries passes through
Circuit ground.
Preferably, also it is electrically connected with resistance L3 on the circuit where the diode D3.
Preferably, the side of the FET Q3 is also parallel with diode D4 and transformer T.
Preferably, the diode D4 and transformer T is sequentially connected in series in circuit.
Compared with prior art, the beneficial effects of the utility model are as follows：
The series-connected batteries equalization charging circuit of electric automobile of the present utility model, using three component flow modules to battery
External parameter carry out in real time detect and analyze, so as to realize constant-current charge, constant-voltage charge and floating charge to battery, by energy
Amount effectively realizes equalizaing charge from the high battery transfer of voltage to the low battery of voltage, and overcomes the inconsistency between battery,
The service life of battery pack is greatly prolonged, improves battery pack service efficiency.
Brief description of the drawings
Fig. 1 is the whole circuit theory diagrams of the utility model.
In figure：1 batteries, 2 first diverter modules, 3 second diverter modules, 4 the 3rd diverter modules, battery B1, storage
Battery B2, battery B3, battery B4, FET Q1, diode D1, FET Q2, diode D2, FET Q3,
Diode D3, diode D4, transformer T, resistance L1, resistance L2, resistance L3.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, a kind of series-connected batteries equalization charging circuit of electric automobile, including 1, first point of batteries
Flow module 2, the second diverter module 3 and the 3rd diverter module 4, batteries 1 by battery B1, battery B2, battery B3 and
Battery B4 is formed, and battery B1, battery B2, battery B3 and battery B4 are sequentially connected in series in circuit, the first divergent die
Block 2 is connected in parallel on battery B1 and battery B2 side, and the first diverter module 2 includes FET Q1 and diode D1, field effect
Should pipe Q1 and diode D1 be sequentially connected in series in circuit, the second diverter module 3 is connected in parallel on battery B2 and battery B3 side,
Second diverter module 3 includes FET Q2 and diode D2, and FET Q2 and diode D2 are sequentially connected in series in circuit,
3rd diverter module 4 includes FET Q3 and diode D3, and FET Q3 is connected in parallel on battery B4 side, and field is imitated
Should pipe Q3 side be also parallel with diode D4 and transformer T, diode D4 and transformer T is sequentially connected in series in circuit, two poles
Pipe D3 is connected in parallel on battery B4 opposite side, and resistance L3, FET are also electrically connected with the circuit where diode D3
Electrically connected between Q3 and diode D3 by circuit, resistance L1 is additionally provided between the first diverter module 2 and the second diverter module 3
With resistance L2, resistance L1 one end is electrically connected by branch circuit with FET Q1 drain D, and the resistance L1 other end passes through
Branch circuit electrically connects with the first FET Q2 source S, and resistance L2 one end passes through branch circuit and FET Q2
Drain D is electrically connected, and the resistance L2 other end is electrically connected by branch circuit with diode D1.
The series-connected batteries equalization charging circuit of electric automobile of the present utility model, using three component flow modules to battery
External parameter carry out in real time detect and analyze, so as to realize constant-current charge, constant-voltage charge and floating charge to battery, by energy
Amount effectively realizes equalizaing charge from the high battery transfer of voltage to the low battery of voltage, and overcomes the inconsistency between battery,
The service life of battery pack is greatly prolonged, improves battery pack service efficiency.
In summary：The series-connected batteries equalization charging circuit of electric automobile of the present utility model, realizes equilibrium and fills
Electricity, the service life for extending battery pack, improve battery pack service efficiency, effectively solve the battery pack of existing electric automobile by
Cell is in series, problem of inconsistency when thus being put in the presence of charging between monomer capacity, so as to influence battery
Service life and the reliability of efficiency and system the problem of.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of series-connected batteries equalization charging circuit of electric automobile, including batteries (1), the first diverter module (2),
Second diverter module (3) and the 3rd diverter module (4), it is characterised in that：The batteries (1) are by battery B1, battery
B2, battery B3 and battery B4 compositions, the battery B1, battery B2, battery B3 and battery B4 are sequentially connected in series
In circuit, first diverter module (2) is connected in parallel on battery B1 and battery B2 side, and the first diverter module (2) includes
FET Q1 and diode D1, the FET Q1 and diode D1 are sequentially connected in series in circuit, second divergent die
Block (3) is connected in parallel on battery B2 and battery B3 side, and the second diverter module (3) includes FET Q2 and diode D2,
The FET Q2 and diode D2 are sequentially connected in series in circuit, the 3rd diverter module (4) include FET Q3 and
Diode D3, the FET Q3 are connected in parallel on battery B4 side, and the diode D3 is connected in parallel on the another of battery B4
Side, electrically connected between FET Q3 and diode D3 by circuit, the first diverter module (2) and the second diverter module (3) it
Between be additionally provided with resistance L1 and resistance L2, one end of the resistance L1 is electrically connected by the drain D of branch circuit and FET Q1
Connect, the resistance L1 other end is electrically connected by branch circuit with the first FET Q2 source S, and one end of the resistance L2 leads to
The drain D that branch circuit is crossed with FET Q2 is electrically connected, and the resistance L2 other end is electrically connected by branch circuit and diode D1
Connect.
A kind of 2. series-connected batteries equalization charging circuit of electric automobile according to claim 1, it is characterised in that：Institute
The one end for stating batteries (1) is electrically connected by circuit with constant-current supply, and one end of batteries (1) passes through circuit ground.
A kind of 3. series-connected batteries equalization charging circuit of electric automobile according to claim 1, it is characterised in that：Institute
State and be also electrically connected with resistance L3 on the circuit where diode D3.
A kind of 4. series-connected batteries equalization charging circuit of electric automobile according to claim 1, it is characterised in that：Institute
The side for stating FET Q3 is also parallel with diode D4 and transformer T.
A kind of 5. series-connected batteries equalization charging circuit of electric automobile according to claim 4, it is characterised in that：Institute
Diode D4 and transformer T is stated to be sequentially connected in series in circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720664881.6U CN206841200U (en) | 2017-06-08 | 2017-06-08 | A kind of series-connected batteries equalization charging circuit of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720664881.6U CN206841200U (en) | 2017-06-08 | 2017-06-08 | A kind of series-connected batteries equalization charging circuit of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206841200U true CN206841200U (en) | 2018-01-05 |
Family
ID=60799177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720664881.6U Expired - Fee Related CN206841200U (en) | 2017-06-08 | 2017-06-08 | A kind of series-connected batteries equalization charging circuit of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206841200U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107225989A (en) * | 2017-06-08 | 2017-10-03 | 江苏嘉钰新能源技术有限公司 | A kind of series-connected batteries equalization charging circuit of electric automobile |
-
2017
- 2017-06-08 CN CN201720664881.6U patent/CN206841200U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107225989A (en) * | 2017-06-08 | 2017-10-03 | 江苏嘉钰新能源技术有限公司 | A kind of series-connected batteries equalization charging circuit of electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180105 Termination date: 20190608 |