CN104319837A - Battery pack structure of electric automobile and charging and discharging method of battery pack - Google Patents
Battery pack structure of electric automobile and charging and discharging method of battery pack Download PDFInfo
- Publication number
- CN104319837A CN104319837A CN201410554021.8A CN201410554021A CN104319837A CN 104319837 A CN104319837 A CN 104319837A CN 201410554021 A CN201410554021 A CN 201410554021A CN 104319837 A CN104319837 A CN 104319837A
- Authority
- CN
- China
- Prior art keywords
- charge
- battery assembly
- assembly module
- discharge
- slow speed
- 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
Classifications
-
- 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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/64—Constructional details of batteries specially adapted for electric vehicles
-
- 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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/66—Arrangements of batteries
-
- 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/11—DC charging controlled by the charging station, e.g. mode 4
-
- 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
-
- 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
-
- 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
- B60L58/19—Switching between serial connection and parallel connection of 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
- B60L58/21—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 the same nominal voltage
-
- 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
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to the field of electric automobile, and in particular relates to a battery pack structure of electric automobile and charging and discharging method of battery pack. The electric automobile is provided with at least one low speed charging interface and fast charging interface being corresponding to the number of the battery pack unit, a fast charging switch controlling the battery pack unit for fast charging is formed between each fast charging interface and each battery pack unit, many battery pack units can be charged at the same time and the charging time is shortened. The low speed charging/discharging total switch and low speed charging/discharging switch are formed between the battery pack unit and the low speed charging interface, the low speed charging/discharging total switch and low speed charging/discharging switch control the discharging and low speed charging operation of each battery pack unit, the charging/discharging process of the battery pack units is independent to each other for avoiding cask effect and reducing cost of production needed by higher consistency requirement on the battery pack unit in the battery pack.
Description
Technical field
The present invention relates to electric automobile field, particularly a kind of battery pack structure of electric automobile and battery set charge/discharge method.
Background technology
The advantage of electric automobile in economy and environmental protection becomes the direction of automobile future development, and pure electric automobile is then the ultimate aim of development of automobile, but pure electric automobile technology is limited by the development of battery technology at present, also has a lot of weak point.These shortcomings can summary and induction be 2 points from technical standpoint: one is that continual mileage is not long, and namely the specific energy of battery is not high; Two is that the charging interval is long, and namely the high power charging performance of energy-type cells is bad.These two shortcomings limit the development of pure electric automobile from technological layer.Simultaneously, the arrangement that the battery assembly module of current batteries of electric automobile group charges simultaneously makes the energy of battery pack large, add the security risk of battery pack, and this mode in use exists " short-board effect " due to battery assembly module, high to the coherence request of battery assembly module, indirectly add research and development and the production cost of battery, be unfavorable for the extensive industrialization of electric automobile in the current generation.
Summary of the invention
The object of the present invention is to provide a kind of battery pack structure and battery set charge/discharge method of electric automobile.It is to the quick charge simultaneously of the battery assembly module of battery pack, solve the problem of charging electric vehicle time length, several battery assembly module provides electric energy jointly, reduce the requirement for single battery group unit electricity, solve security risk, the charge and discharge process of battery assembly module is independent of one another simultaneously, avoids " short-board effect ", reduces the too high required a large amount of production costs of internal battery pack coherence request.
For the battery pack structure of a kind of electric automobile of the present invention, above-mentioned technical problem solves like this:
The battery pack of electric automobile is made up of the battery assembly module of multiple Parallel opertation, described each battery assembly module is all electrically connected with fast charge switch and charge/discharge switch at a slow speed, the described switch of the charge/discharge at a slow speed other end is connected to one at a slow speed on charge/discharge master switch jointly.
Further, described electric automobile is provided with the quick charge interface corresponding with battery assembly module quantity, described fast charge switch is connected between corresponding battery assembly module and corresponding quick charge interface.
Further, described electric automobile is provided with at least one charge/discharge interface at a slow speed, the described master switch of charge/discharge is at a slow speed connected to battery assembly module and at a slow speed between charge/discharge interface, each is connected with charge/discharge master switch at a slow speed charge/discharge switch one end at a slow speed, and the other end connects with corresponding battery assembly module.
Further, described battery assembly module to be arranged in the middle part of generation automotive underbody and a back seat place of these two positions or two places behind.
For the charging/discharging thereof of the battery pack of a kind of electric automobile of the present invention, above-mentioned technical problem solves like this:
By arranging at least one charge/discharge interface and quick charge interface corresponding with the battery assembly module quantity of electric automobile at a slow speed, quick charge is carried out to multiple battery assembly modules of electric automobile simultaneously, and according to being arranged on battery assembly module and the master switch of charge/discharge at a slow speed at a slow speed between charge/discharge interface and being arranged on each battery cell and the switch of charge/discharge at a slow speed at a slow speed between charge/discharge master switch, the electric discharge of each battery assembly module of co-controlling and charging at a slow speed.
Further, the charging process at a slow speed of described battery assembly module is: the electricity sequence according to battery assembly module charges at a slow speed successively, first closed this battery assembly module of the Switch Controller of charge/discharge at a slow speed corresponding with the minimum battery assembly module of electricity charges at a slow speed, when the electricity of this battery assembly module is consistent with order another battery assembly module electricity following closely, the closed at a slow speed charge/discharge Switch Controller two Battery pack group unit corresponding with another battery assembly module charges simultaneously, the all battery assembly modules of the Switch Controller of charge/discharge at a slow speed of each battery assembly module closed charge gradually in this way.
Further, described battery assembly module charges latter stage at a slow speed, and the sequencing that charge/discharge switch is full of electricity according to each battery assembly module at a slow speed disconnects, successively until it is complete to charge.
Further, when described battery assembly module discharges to motor in electric automobile, number according to each battery assembly module electricity is discharged successively, first closed this battery assembly module of the Switch Controller of charge/discharge at a slow speed corresponding with the maximum battery assembly module of electricity discharges, when the electricity of this battery assembly module is equal with order another battery assembly module following closely, the closed at a slow speed charge/discharge switch corresponding with another battery assembly module, these two battery assembly modules are discharged simultaneously, the switch of charge/discharge at a slow speed of each battery assembly module closed makes all battery assembly modules discharge gradually in this way.
Further, described battery assembly module is at the end of motor in electric automobile electric discharge, and the sequencing that charge/discharge switch terminates according to the electric discharge of each battery assembly module at a slow speed disconnects, successively until the equal discharge off of all battery assembly modules.
The invention has the beneficial effects as follows: use charge/discharge switch at a slow speed to control each battery assembly module respectively, each battery assembly module provides electric energy jointly, require to reduce to the electricity of battery pack, reduce the security risk of battery pack.Each battery assembly module all arranges quick charge interface, quick charge is carried out to each battery assembly module simultaneously, the charging interval can be controlled, within 5 minutes, to substantially reduce the charging interval.Each battery assembly module all arranges charge/discharge switch at a slow speed, at charging inlet place at a slow speed, charge/discharge master switch is at a slow speed set, by the acting in conjunction of charge/discharge switch at a slow speed and charge/discharge master switch at a slow speed, charging and discharging at a slow speed can be carried out separately to each battery assembly module, be independent of each other each other between battery assembly module, avoid the discharge and recharge problem that " short-board effect " causes.Simultaneously, according to the number closed and disconnected charge/discharge switch at a slow speed successively of each battery assembly module electricity, the electricity of battery assembly module can be made at utmost to be full of and farthest to be used, extend the power-on time of whole battery pack, battery assembly module is arranged in the behind with back seat in the middle part of car floor, save arrangement space, avoided driving process simultaneously and damaged in collision is caused to battery assembly module.
Accompanying drawing explanation
Fig. 1 is arrangement figure of the present invention;
Fig. 2 is battery assembly module circuit catenation principle figure;
In figure: 1-electric automobile, 2-battery assembly module, 3-quick charge interface, 4-is charging inlet at a slow speed, 5-first battery assembly module, 6-second battery assembly module, 7-the 3rd battery assembly module, 8-first quick charge interface, 9-second quick charge interface, 10-the 3rd quick charge interface, 11-is charge/discharge master switch at a slow speed, and 12-first fills relay soon, 13-second fills relay soon, and 14-the 3rd fills relay soon, 15-first trickle charge relay, 16-second trickle charge relay, 17-the 3rd trickle charge relay.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.In addition, if below in described each execution mode of the present invention involved technical characteristic do not form conflict each other and just can mutually combine.
Battery assembly module of the present invention can use many groups as required, and its quantity is not limit, and the present embodiment adopts three Battery pack group unit to be described.As shown in Figure 1, the present embodiment comprises the battery assembly module 2 of 3 Parallel opertation, be respectively the first battery assembly module 5, second battery assembly module 6 and the 3rd battery assembly module 7, wherein T-shaped setting between the first battery cell 5 and the second battery cell 6, in the middle part of the base plate that they are arranged on electric automobile 1, and the 3rd battery assembly module 7 is arranged on the back of electric automobile 1 back seat.Such layout reduces the probability that battery assembly module and external object collide, multiple battery assembly module provides the setting of electric energy to make the electricity of electric automobile 1 to each battery assembly module require to reduce jointly, improve the security performance of battery pack, and save cost.Electric automobile 1 is provided with quick charge interface 3 and charging inlet 4 at a slow speed, they are all connected with battery assembly module 2.Quick charge interface 3 is made up of the first quick charge interface 8, second quick charge interface 9 and the 3rd quick charge interface 10, wherein the first quick charge interface 8 is arranged on the body structure of electric automobile 1, second quick charge interface 9 and the 3rd quick charge interface 10 are arranged on body rear end, charging inlet 4 is arranged on the second quick charge interface 9 side at a slow speed, it is connected with the motor of electric automobile 1, for making each battery assembly module to feeding electric motors, drive the use of electric automobile 1.
Be illustrated in figure 2 battery assembly module circuit catenation principle figure.Each battery assembly module 2 is all electrically connected with fast charge switch and charge/discharge switch at a slow speed, the charge/discharge switch other end is connected to one at a slow speed on charge/discharge master switch 11 jointly at a slow speed.Wherein in the present embodiment, all switches all adopt relay.Fast charge switch comprises first and fills relay 12 soon, and second fills relay 13 and the 3rd soon fills relay 14 soon.First fills relay 12 is soon connected between the first battery assembly module 5 and the first quick charge interface 8, second fills relay 13 is soon connected between the second battery assembly module 6 and the second quick charge interface 9, and the 3rd fills relay 14 is soon connected between the 3rd battery assembly module 7 and the 3rd quick charge interface 10.Charge/discharge switch comprises the first trickle charge relay 15, second trickle charge relay 16 and the 3rd trickle charge relay 17 at a slow speed.Charging inlet 4 place is at a slow speed provided with a charge/discharge master switch 11 at a slow speed, first trickle charge relay 15 is connected to the first battery assembly module 5 and at a slow speed between charge/discharge master switch 11, second trickle charge relay 16 is connected to the second battery assembly module 6 and at a slow speed between charge/discharge master switch 11, and the 3rd trickle charge relay 17 is connected to the 3rd battery assembly module 7 and at a slow speed between charge/discharge master switch 11.
Closed first fills relay 12 soon, can carry out quick charge to the first battery assembly module 5, closed second fills relay 13 soon, can carry out quick charge to the second battery assembly module 6, closed 3rd fills relay 14 soon, can carry out quick charge to the 3rd battery assembly module 7.Closed first fills relay 12, second soon and fills relay 13 and the 3rd soon and fill 14, relay soon can carry out quick charge to three battery assembly modules simultaneously simultaneously.Power and energy can be had concurrently the state-of-charge of type batteries charging to 80% by the mode of this charging in 5 minutes, significantly shortened current 30 minutes by the charging interval of the state-of-charge of batteries charging to 80%.
Charging inlet 4 can respectively to one or several charging in three battery assembly modules at a slow speed.Wherein the first trickle charge relay 15 and charge/discharge master switch 11 can control charging at a slow speed and travelling of the first battery assembly module 5 at a slow speed time whether use this battery cell to the electric discharge of electric automobile 1 motor; Whether the second trickle charge relay 16 and at a slow speed charge/discharge master switch 11 use this battery assembly module to the electric discharge of electric automobile 1 motor when can control charging at a slow speed and travelling of the second battery assembly module 6; Whether the 3rd trickle charge relay 16 and at a slow speed charge/discharge master switch 11 use this battery assembly module to the electric discharge of electric automobile 1 motor when can control charging at a slow speed and travelling of the 3rd battery assembly module 7.The charge and discharge process of three battery assembly modules can be controlled separately by three trickle charge relays, make to be independent of each other each other.
Before supposing charging at a slow speed, the sequence of the state-of-charge of three battery assembly modules is: the state-of-charge of state-of-charge > the 3rd battery assembly module 7 of state-of-charge > second battery assembly module 6 of the first battery assembly module 5, first closed 3rd trickle charge relay 16 and charge/discharge master switch 11 at a slow speed during charging, 3rd battery assembly module 7 is charged, when the state-of-charge of the 3rd battery assembly module 7 is equal with the state-of-charge of the second battery assembly module 6, then closed second trickle charge relay 16, continue to charge to the second battery assembly module 6 and the 3rd battery assembly module 7 simultaneously, when the state-of-charge of the second battery assembly module 6 and the 3rd battery assembly module 7 is equal with the state-of-charge of the first battery assembly module 5, then closed first trickle charge relay 15, continue the first battery assembly module 5, second battery assembly module 6 and the 3rd battery assembly module 7 charge simultaneously.
Suppose that charging terminates latter stage, first first battery assembly module 5 reaches charge cutoff condition, then first disconnect the first trickle charge relay 15, continue to charge to the second battery assembly module 6 and the 3rd battery assembly module 7, if the second battery assembly module 6 reaches again charge cutoff condition subsequently, then disconnect the second trickle charge relay 16, continue to charge to the 3rd battery assembly module 7, until the 3rd battery assembly module 7 also reaches charge cutoff condition, then charging complete at a slow speed.The method, compared with the charging method at a slow speed of battery assembly module Centralized layout in battery pack, can be full of by the maximized electricity by battery pack, reduces the impact that " short-board effect " due to certain battery assembly module causes whole batteries charging.In addition, in three battery assembly modules any one or several electric quantity consumption is complete time, can electrical changing station to wherein any one or severally carry out fast quick change electric treatment.
Before supposing that electric automobile 1 travels, the sequence of the state-of-charge of three battery assembly modules is: the state-of-charge of state-of-charge > the 3rd battery assembly module 7 of state-of-charge > second battery assembly module 6 of the first battery assembly module 5.First closed first trickle charge relay 15 and at a slow speed charge/discharge master switch 11, the first battery assembly module 5 is used to drive automobile, when the state-of-charge of the first battery assembly module 5 is equal with the state-of-charge of the second battery assembly module 6, then closed second trickle charge relay 16, use the first battery assembly module 5 and the second battery assembly module 6 to drive automobile simultaneously, when the state-of-charge of the first battery assembly module 5 and the second battery assembly module 6 is equal with the state-of-charge of the 3rd battery assembly module 7, then closed 3rd trickle charge relay 16, use the first battery assembly module 5 simultaneously, second battery assembly module 6 and the 3rd battery assembly module 7 drive automobile.Suppose that electric discharge terminates latter stage, first first battery assembly module 5 reaches electric discharge cut-off condition, then first disconnect the first trickle charge relay 15, continue to use the second battery assembly module 6 and the 3rd battery assembly module 7 to drive automobile simultaneously, if the second battery assembly module 6 also reaches electric discharge cut-off condition subsequently, then disconnect the second trickle charge relay 16, continue use the 3rd battery assembly module 7 and drive automobile, until the 3rd battery assembly module 7 also reaches electric discharge cut-off condition.The method, can the energy of maximized use battery pack compared with the method for the battery driven car load of Centralized layout, reduces because " short-board effect " of certain battery cell is on the impact using battery driven automobile to cause.
Battery cell of the present invention mode freely can combine as shown in form below:
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to claims of the present invention.
Claims (9)
1. the battery pack structure of an electric automobile, it is characterized in that: the battery pack of electric automobile (1) is made up of the battery assembly module (2) of multiple Parallel opertation, described each battery assembly module (2) is all electrically connected with fast charge switch and charge/discharge switch at a slow speed, the described switch of the charge/discharge at a slow speed other end is connected to one at a slow speed on charge/discharge master switch (11) jointly.
2. the battery pack structure of a kind of electric automobile as claimed in claim 1, it is characterized in that: described electric automobile (1) is provided with the quick charge interface (3) corresponding with battery assembly module (2) quantity, described fast charge switch is connected between corresponding battery assembly module (2) and corresponding quick charge interface (3).
3. the battery pack structure of a kind of electric automobile as claimed in claim 1, it is characterized in that: described electric automobile (1) is provided with at least one charge/discharge interface (4) at a slow speed, the described master switch of charge/discharge at a slow speed (11) is connected to battery assembly module (2) and at a slow speed between charge/discharge interface (4), each is connected with charge/discharge master switch (11) at a slow speed charge/discharge switch one end at a slow speed, and the other end connects with corresponding battery assembly module (2).
4. the battery pack structure of a kind of electric automobile as claimed in claim 1, is characterized in that: described battery assembly module (2) to be arranged in the middle part of electric automobile (1) base plate and a back seat place of these two positions or two places behind.
5. the battery set charge/discharge method of an electric automobile, it is characterized in that: by arranging at least one charge/discharge interface (4) and quick charge interface (3) corresponding with battery assembly module (2) quantity of electric automobile (1) at a slow speed, quick charge is carried out to multiple battery assembly modules (2) of electric automobile (1) simultaneously, and according to being arranged on battery assembly module (2) and the master switch of charge/discharge at a slow speed (11) at a slow speed between charge/discharge interface (4) and being arranged on each battery cell (2) and the switch of charge/discharge at a slow speed at a slow speed between charge/discharge master switch (11), the electric discharge of each battery assembly module of co-controlling (2) and charging at a slow speed.
6. the battery set charge/discharge method of a kind of electric automobile as claimed in claim 7, it is characterized in that, the charging process at a slow speed of described battery assembly module (2) is: the electricity sequence according to battery assembly module (2) charges at a slow speed successively, first closed this battery assembly module of the Switch Controller of charge/discharge at a slow speed (2) corresponding with the minimum battery assembly module of electricity (2) charges at a slow speed, when the electricity of this battery assembly module (2) is consistent with order another battery assembly module (2) electricity following closely, the closed at a slow speed charge/discharge Switch Controller two Battery pack group unit (2) corresponding with another battery assembly module (2) charges simultaneously, the all battery assembly modules of the Switch Controller of charge/discharge at a slow speed (2) of closed each battery assembly module (2) charges gradually in this way.
7. the battery set charge/discharge method of a kind of electric automobile as claimed in claim 7 or 8, it is characterized in that: described battery assembly module (2) charges latter stage at a slow speed, the sequencing that charge/discharge switch is full of electricity according to each battery assembly module (2) at a slow speed disconnects, successively until it is complete to charge.
8. the battery set charge/discharge method of a kind of electric automobile as claimed in claim 9, it is characterized in that: when described battery assembly module (2) discharges to electric automobile (1) motor, number according to each battery assembly module (2) electricity is discharged successively, first closed this battery assembly module of the Switch Controller of charge/discharge at a slow speed (2) corresponding with the maximum battery assembly module of electricity (2) discharges, when the electricity of this battery assembly module (2) is equal with order another battery assembly module (2) following closely, the closed at a slow speed charge/discharge switch corresponding with another battery assembly module (2), these two battery assembly modules (2) are discharged simultaneously, the switch of charge/discharge at a slow speed of closed each battery assembly module (2) makes all battery assembly modules (2) discharge gradually in this way.
9. the battery set charge/discharge method of a kind of electric automobile as claimed in claim 10, it is characterized in that: described battery assembly module (2) is at the end of the electric discharge of electric automobile (1) motor, the sequencing that charge/discharge switch terminates according to each battery assembly module (2) electric discharge at a slow speed disconnects successively, until all battery assembly modules (2) all discharge offs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410554021.8A CN104319837A (en) | 2014-10-17 | 2014-10-17 | Battery pack structure of electric automobile and charging and discharging method of battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410554021.8A CN104319837A (en) | 2014-10-17 | 2014-10-17 | Battery pack structure of electric automobile and charging and discharging method of battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104319837A true CN104319837A (en) | 2015-01-28 |
Family
ID=52375036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410554021.8A Pending CN104319837A (en) | 2014-10-17 | 2014-10-17 | Battery pack structure of electric automobile and charging and discharging method of battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104319837A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137360A (en) * | 2015-08-31 | 2015-12-09 | 山东智洋电气股份有限公司 | One-key discharge method for storage battery of transformer station |
| CN106300514A (en) * | 2016-08-25 | 2017-01-04 | 珠海银隆电器有限公司 | Electric automobile fast charging and discharging system, method and electric automobile |
| CN107453417A (en) * | 2016-05-30 | 2017-12-08 | 恩斯迈电子(深圳)有限公司 | Rechargeable battery and charging method thereof |
| WO2018028329A1 (en) * | 2016-08-12 | 2018-02-15 | 上海鼎研智能科技有限公司 | Electric automobile having multiple independent battery packs |
| CN107994659A (en) * | 2018-01-18 | 2018-05-04 | 苏州妙益科技股份有限公司 | A kind of discharge and recharge implementation method of power battery |
| WO2019062961A1 (en) * | 2017-09-30 | 2019-04-04 | 比亚迪股份有限公司 | Charging device and charging pile |
| CN111923750A (en) * | 2020-07-29 | 2020-11-13 | 中国第一汽车股份有限公司 | Power lithium battery system |
| CN113910956A (en) * | 2021-08-27 | 2022-01-11 | 岚图汽车科技有限公司 | Electric vehicle and vehicle-mounted charger, charging system and charging method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060092583A1 (en) * | 2004-10-01 | 2006-05-04 | Alahmad Mahmoud A | Switch array and power management system for batteries and other energy storage elements |
| CN2909664Y (en) * | 2006-05-23 | 2007-06-06 | 西安智海电力科技有限公司 | Photovoltaic power supply high efficient quick balance charging and discharging controller |
| WO2009128082A1 (en) * | 2008-04-17 | 2009-10-22 | Eran Ofek | Dynamically configuring properties of battery packs |
| CN102074991A (en) * | 2011-01-24 | 2011-05-25 | 启明信息技术股份有限公司 | Method and device for full balance control of power battery of electric automobile |
| CN102231550A (en) * | 2011-07-05 | 2011-11-02 | 张化锴 | Active charge/discharge balancing system of power battery and implementation method thereof |
| CN102427255A (en) * | 2011-10-28 | 2012-04-25 | 东风汽车公司 | Method and device for automatically equalizing voltages of power battery groups |
| CN102480142A (en) * | 2010-11-26 | 2012-05-30 | 比亚迪股份有限公司 | Battery pack parallel charging device and parallel charging method thereof |
| CN102951025A (en) * | 2012-11-22 | 2013-03-06 | 东南（福建）汽车工业有限公司 | Automatic defense device for electric vehicle |
| CN204216603U (en) * | 2014-10-17 | 2015-03-18 | 东风电动车辆股份有限公司 | A kind of battery pack structure of electric automobile |
-
2014
- 2014-10-17 CN CN201410554021.8A patent/CN104319837A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060092583A1 (en) * | 2004-10-01 | 2006-05-04 | Alahmad Mahmoud A | Switch array and power management system for batteries and other energy storage elements |
| CN2909664Y (en) * | 2006-05-23 | 2007-06-06 | 西安智海电力科技有限公司 | Photovoltaic power supply high efficient quick balance charging and discharging controller |
| WO2009128082A1 (en) * | 2008-04-17 | 2009-10-22 | Eran Ofek | Dynamically configuring properties of battery packs |
| CN102480142A (en) * | 2010-11-26 | 2012-05-30 | 比亚迪股份有限公司 | Battery pack parallel charging device and parallel charging method thereof |
| CN102074991A (en) * | 2011-01-24 | 2011-05-25 | 启明信息技术股份有限公司 | Method and device for full balance control of power battery of electric automobile |
| CN102231550A (en) * | 2011-07-05 | 2011-11-02 | 张化锴 | Active charge/discharge balancing system of power battery and implementation method thereof |
| CN102427255A (en) * | 2011-10-28 | 2012-04-25 | 东风汽车公司 | Method and device for automatically equalizing voltages of power battery groups |
| CN102951025A (en) * | 2012-11-22 | 2013-03-06 | 东南（福建）汽车工业有限公司 | Automatic defense device for electric vehicle |
| CN204216603U (en) * | 2014-10-17 | 2015-03-18 | 东风电动车辆股份有限公司 | A kind of battery pack structure of electric automobile |
Non-Patent Citations (1)
| Title |
|---|
| 於亚军等: "监护仪智能电池管理系统", 《北京生物医学工程》, vol. 32, no. 1, 28 February 2013 (2013-02-28) * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137360A (en) * | 2015-08-31 | 2015-12-09 | 山东智洋电气股份有限公司 | One-key discharge method for storage battery of transformer station |
| CN107453417A (en) * | 2016-05-30 | 2017-12-08 | 恩斯迈电子(深圳)有限公司 | Rechargeable battery and charging method thereof |
| WO2018028329A1 (en) * | 2016-08-12 | 2018-02-15 | 上海鼎研智能科技有限公司 | Electric automobile having multiple independent battery packs |
| CN106300514A (en) * | 2016-08-25 | 2017-01-04 | 珠海银隆电器有限公司 | Electric automobile fast charging and discharging system, method and electric automobile |
| WO2019062961A1 (en) * | 2017-09-30 | 2019-04-04 | 比亚迪股份有限公司 | Charging device and charging pile |
| CN107994659A (en) * | 2018-01-18 | 2018-05-04 | 苏州妙益科技股份有限公司 | A kind of discharge and recharge implementation method of power battery |
| CN111923750A (en) * | 2020-07-29 | 2020-11-13 | 中国第一汽车股份有限公司 | Power lithium battery system |
| CN113910956A (en) * | 2021-08-27 | 2022-01-11 | 岚图汽车科技有限公司 | Electric vehicle and vehicle-mounted charger, charging system and charging method thereof |
| CN113910956B (en) * | 2021-08-27 | 2023-05-19 | 岚图汽车科技有限公司 | Electric vehicle and vehicle-mounted charger, charging system and charging method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104319837A (en) | Battery pack structure of electric automobile and charging and discharging method of battery pack | |
| CN106696748B (en) | A kind of charging pile system | |
| CN106183767B (en) | Electric vehicle and battery pack | |
| US10967746B2 (en) | Vehicle | |
| CN103072492B (en) | Active control type hybrid power system for pure electric bus and control method of active control type hybrid power system | |
| US20150273995A1 (en) | Vehicle | |
| US9799873B2 (en) | Battery assembly of a battery having two different cell types | |
| CN108688481B (en) | Vehicle battery system and method of controlling battery charging in the same | |
| CN108081986B (en) | Split type automatic power distribution charging system of electric automobile | |
| CN103051019A (en) | Battery pack series-parallel switching control system and charge and discharge control method thereof | |
| CN204216603U (en) | A kind of battery pack structure of electric automobile | |
| US20210242692A1 (en) | Flexibly configurable traction battery | |
| US9048050B2 (en) | Electric power supply control apparatus for vehicle | |
| CN102983608A (en) | Composite lithium battery and supercapacitor power supply control device for electromobile | |
| JP2018085790A (en) | Battery controller of electric vehicle and battery control method of electric vehicle | |
| CN106340917A (en) | Lithium ion power storage battery power source charging and discharging control system for hybrid power system | |
| US20190275908A1 (en) | Electric vehicle battery charging system and method using multi-layer division method | |
| CN212874675U (en) | Power battery, battery system and vehicle | |
| CN104908604A (en) | Airborne power grid | |
| CN104507737B (en) | For the drive system of electric vehicle with for the method charged for accumulator with internal combustion engine | |
| CN113352952B (en) | Power control integration method and system for hydrogen-electricity hybrid electric vehicle | |
| US20220085639A1 (en) | Vehicular power supply device | |
| CN115009047A (en) | Hybrid power supply system for electric automobile | |
| CN105098219B (en) | A kind of battery standard module that electronic automobile-used lightweight is general | |
| CN111211590B (en) | Vehicle, composite power supply system and energy management method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into 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: 20150128 |