CN107225989A - 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
- CN107225989A CN107225989A CN201710426679.4A CN201710426679A CN107225989A CN 107225989 A CN107225989 A CN 107225989A CN 201710426679 A CN201710426679 A CN 201710426679A CN 107225989 A CN107225989 A CN 107225989A
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- CN
- China
- Prior art keywords
- battery
- diode
- series
- fet
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000203 mixture Substances 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000178 monomer Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/20—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
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- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0018—Circuits for equalisation of charge between batteries using separate charge circuits
-
- 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/549—Current
-
- 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 invention 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 the electric automobile of the present invention, the external parameter of battery is carried out using three component flow modules to detect and analyze in real time, so as to realize the 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 inconsistency between battery, the service life of battery pack is greatly prolonged, battery pack service efficiency is improved.
Description
Technical field
The present invention relates to electric vehicle engineering field, the series-connected batteries equalizaing charge electricity of specially a kind of electric automobile
Road.
Background technology
No pollution can be achieved in use as the electric automobile of power source with battery, therefore, it can effectively solve vapour
Car blowdown and energy problem.General electric automobile all provides power using batteries, and these battery packs are by cell
It is in series, problem of inconsistency when thus being put in the presence of charging between monomer capacity, so as to influence the use longevity of battery
The reliability of life and efficiency and system.
The content of the invention
It is an object of the invention to provide a kind of series-connected batteries equalization charging circuit of electric automobile, possess equilibrium and fill
Electricity, the service life of extension battery pack, the advantage for improving battery pack service efficiency, 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 efficiency and system reliability the problem of.
To achieve the above object, the present invention provides following technical scheme：A kind of series-connected batteries of electric automobile are balanced
Charging circuit, including batteries, the first diverter module, the second diverter module and the 3rd diverter module, the batteries by
Battery B1, battery B2, battery B3 and battery B4 compositions, the battery B1, battery B2, battery B3 and electric power storage
Pond B4 is sequentially connected in series in circuit, and first diverter module is connected in parallel on battery B1 and battery B2 side, the first shunting
Module includes FET Q1 and diode D1, and the FET Q1 and diode D1 are sequentially connected in series in circuit, and described the
Two diverter modules are connected in parallel on battery B2 and battery B3 side, and the second diverter module includes FET Q2 and diode
D2, the FET Q2 and diode D2 are sequentially connected in series in circuit, the 3rd diverter module 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, is electrically connected between FET Q3 and diode D3 by circuit, is also set between the first diverter module and the second diverter module
Resistance L1 and resistance L2 are equipped with, one end of the resistance L1 is electrically connected by branch circuit with FET Q1 drain D, resistance
The L1 other end is electrically connected by branch circuit with the first FET Q2 source S, and one end of the resistance L2 passes through branch
Circuit is electrically connected with FET Q2 drain D, and the resistance L2 other end is electrically connected by branch circuit with diode D1.
It is preferred that, one end of the batteries is electrically connected by circuit with constant-current supply, and one end of batteries passes through
Circuit ground.
It is preferred that, also it is electrically connected with resistance L3 on the circuit where the diode D3.
It is preferred that, the side of the FET Q3 is also parallel with diode D4 and transformer T.
It is preferred that, the diode D4 and transformer T is sequentially connected in series in circuit.
Compared with prior art, beneficial effects of the present invention are as follows：
The series-connected batteries equalization charging circuit of the electric automobile of the present invention, using three component flow modules to the outer of battery
Portion parameter detect and analyze in real time, so as to realize the constant-current charge, constant-voltage charge and floating charge to battery, by energy from
The high battery transfer of voltage effectively realizes equalizaing charge to the low battery of voltage, and overcomes the inconsistency between battery, significantly
Extend the service life of battery pack, improve battery pack service efficiency.
Brief description of the drawings
Fig. 1 is whole circuit theory diagrams of the invention.
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 embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1, a kind of series-connected batteries equalization charging circuit of electric automobile, including batteries 1, first point
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 constituted, and battery B1, battery B2, battery B3 and battery B4 are sequentially connected in series in circuit, the first divergent die
Block 1 is connected in parallel on battery B1 and battery B2 side, and the first diverter module 1 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, the
Three diverter modules 4 include FET Q3 and diode D3, and FET Q3 is connected in parallel on battery B4 side, and FET
Q3 side is also parallel with diode D4 and transformer T, and diode D4 and transformer T is sequentially connected in series in circuit, diode D3
Be connected in parallel on the circuit where battery B4 opposite side, and diode D3 and be also electrically connected with resistance L3, FET Q3 with
Electrically connected between diode D3 by circuit, resistance L1 and electricity are additionally provided between the first diverter module 1 and the second diverter module 3
L2 is hindered, 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 is electrically connected with the first FET Q2 source S, and resistance L2 one end passes through the drain D of branch circuit and FET Q2
Electrical connection, the resistance L2 other end is electrically connected by branch circuit with diode D1.
The series-connected batteries equalization charging circuit of the electric automobile of the present invention, using three component flow modules to the outer of battery
Portion parameter detect and analyze in real time, so as to realize the constant-current charge, constant-voltage charge and floating charge to battery, by energy from
The high battery transfer of voltage effectively realizes equalizaing charge to the low battery of voltage, and overcomes the inconsistency between battery, significantly
Extend the service life of battery pack, improve battery pack service efficiency.
In summary：The series-connected batteries equalization charging circuit of the electric automobile of the present invention, realizes equalizaing charge, prolongs
Service life, the raising battery pack service efficiency of long battery pack, effectively solve the battery pack of existing electric automobile by monomer
Battery is in series, problem of inconsistency when thus being put in the presence of charging between monomer capacity, so as to influence making for battery
The problem of with the reliability of life-span and efficiency and system.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
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 (1) is connected in parallel on battery B1 and battery B2 side, and the first diverter module (1) 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, is electrically connected between FET Q3 and diode D3 by circuit, the first diverter module (1) 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, 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 with diode D1
Connect.
2. a kind of 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.
3. a kind of 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.
4. a kind of 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.
5. a kind of 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 |
|---|---|---|---|
| CN201710426679.4A CN107225989A (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 |
|---|---|---|---|
| CN201710426679.4A CN107225989A (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 |
|---|---|
| CN107225989A true CN107225989A (en) | 2017-10-03 |
Family
ID=59934847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710426679.4A Pending CN107225989A (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) | CN107225989A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0684546A (en) * | 1992-09-01 | 1994-03-25 | Japan Storage Battery Co Ltd | Storage battery device for electric automobile |
| CN101222149A (en) * | 2008-01-25 | 2008-07-16 | 哈尔滨工业大学 | Three-monomer direct equalizer of series connection accumulation power supply |
| CN101741122A (en) * | 2010-01-15 | 2010-06-16 | 中国科学院电工研究所 | Series battery equalizing equipment |
| CN206841200U (en) * | 2017-06-08 | 2018-01-05 | 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 CN201710426679.4A patent/CN107225989A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0684546A (en) * | 1992-09-01 | 1994-03-25 | Japan Storage Battery Co Ltd | Storage battery device for electric automobile |
| CN101222149A (en) * | 2008-01-25 | 2008-07-16 | 哈尔滨工业大学 | Three-monomer direct equalizer of series connection accumulation power supply |
| CN101741122A (en) * | 2010-01-15 | 2010-06-16 | 中国科学院电工研究所 | Series battery equalizing equipment |
| CN206841200U (en) * | 2017-06-08 | 2018-01-05 | 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 |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171003 |