CN113224470A - Power supply battery of electric vehicle - Google Patents
Power supply battery of electric vehicle Download PDFInfo
- Publication number
- CN113224470A CN113224470A CN202010080217.3A CN202010080217A CN113224470A CN 113224470 A CN113224470 A CN 113224470A CN 202010080217 A CN202010080217 A CN 202010080217A CN 113224470 A CN113224470 A CN 113224470A
- Authority
- CN
- China
- Prior art keywords
- battery
- power supply
- battery pack
- supply battery
- positive
- 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.)
- Withdrawn
Links
Images
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
- 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
- B60L58/22—Balancing the charge of battery modules
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
-
- 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
A power supply battery of an electric vehicle comprises a plurality of rechargeable batteries; the plurality of rechargeable batteries are divided into at least more than two first battery packs, the plurality of rechargeable batteries in each first battery pack are further divided into at least more than two second battery packs, each second battery pack is electrically connected in parallel, and then each first battery pack is electrically connected in parallel to form a complete power supply battery. When the power supply battery is charged, an external preset charging power supply is electrically conducted with the power supply battery, so that the current and the voltage of the charging power supply respectively charge each first battery pack and each second battery pack in a shunting manner; when the power supply battery discharges, the voltage value and the current amount of each first battery pack are converged and output, so that the purpose that the power supply battery can stably perform charging/discharging operation is achieved, and the condition that the power supply battery is easy to generate high temperature in the charging process is avoided.
Description
Technical Field
The invention relates to a power supply battery of an electric carrier, in particular to a power supply battery which divides a plurality of rechargeable batteries arranged in each first battery pack into at least two second battery packs which are electrically connected in parallel, and then electrically connects each first battery pack in parallel to form a complete power supply battery; therefore, when the power supply battery is charged, the external preset charging power supply is electrically conducted with the power supply battery, so that the current and the voltage of the charging power supply respectively charge each first battery pack and each second battery pack inside the first battery pack in a shunting manner.
Background
With the rising of environmental awareness, the concept of energy saving and carbon reduction is gradually emphasized by people, and the development and utilization of green energy become the key points of active investment and development of countries in the world. Therefore, the electric vehicle is more popular in recent years, mainly because the electric vehicle does not need traditional fuel (such as petrochemical gasoline) as driving energy, so that no waste gas is discharged, and the electric vehicle meets the current consciousness of energy saving, carbon reduction and environmental protection.
The electric carrier is mainly characterized by that it utilizes the battery module set to supply electric energy to driving motor, and the driving motor can be used for driving wheel connected with electric carrier, and the driving motor can be used for converting electric energy into kinetic energy so as to drive wheel of electric carrier to make it rotate.
Therefore, the distance that the electric vehicle can travel at present mainly depends on the amount of electricity stored in the battery module of the electric vehicle; however, the battery module of the present electric vehicle has a limited battery capacity, and cannot travel a long distance, and compared with the conventional vehicle powered by conventional fuel, the traveling endurance of the present electric vehicle is far different.
In addition, the disadvantage that the current electric vehicle cannot be popularized yet is that the charging effect of the battery module of the current electric vehicle is still not significant, that is, the battery module of the current electric vehicle is in the charging process, because the current battery module electrically connects a plurality of rechargeable batteries arranged inside the battery module in a series connection manner, the charging of the rechargeable batteries in the current battery module is uneven, and meanwhile, the current battery module is easy to generate the phenomenon that a part of batteries are overheated in the charging process, so that the possibility of explosion of the battery module is caused; in addition, the charging of a plurality of batteries in the battery module is uneven, so that the battery module is easy to generate the phenomenon that the electric quantity of partial batteries is too low in the discharging process, and the battery module is damaged.
Therefore, how to develop a battery capable of stably performing charging/discharging operations and avoiding high temperature during the charging process of the battery is the subject to be solved by the present invention.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a power supply battery for an electric vehicle, including a plurality of rechargeable batteries. The plurality of rechargeable batteries are divided into at least two first battery packs, each first battery pack is provided with a plurality of rechargeable batteries with a preset number, the rechargeable batteries in each first battery pack are divided into at least two second battery packs, the rechargeable batteries of each second battery pack are electrically connected in series, then each second battery pack is electrically connected in parallel to form the first battery pack, each first battery pack has a preset voltage value and a preset current amount, each first battery pack is provided with a first positive/negative electrode contact and is communicated with parallel circuits of the plurality of second battery packs in the first battery pack, finally the first positive/negative electrode contacts arranged on the plurality of first battery packs are electrically connected in parallel to form a complete power supply battery, and the power supply battery is provided with a second positive/negative electrode contact and is communicated with the parallel circuits of the plurality of first battery packs in the power supply battery pack.
The improvement of the invention is that a plurality of rechargeable batteries arranged in each first battery pack are divided into at least more than two second battery packs, the rechargeable batteries of each second battery pack are electrically connected in series, then each second battery pack is electrically connected in parallel to form a first battery pack, and finally each first battery pack is electrically connected in parallel to form a complete power supply battery; therefore, when the power supply battery is charged, the external preset charging power supply is electrically conducted with the second positive/negative electrode contact of the power supply battery, so that the current and the voltage of the charging power supply respectively charge each first battery pack and each second battery pack inside the first battery pack in a shunting manner; when the power supply battery discharges, the voltage value and the current quantity of each first battery pack are collected at the second positive/negative electrode contact and then output, so that the purpose that the power supply battery can stably perform charging/discharging operation is achieved, and meanwhile, the situation that the power supply battery is easy to generate high temperature in the charging process is avoided.
The further improvement is that: the control circuit is provided with a first connecting port and a plurality of second connecting ports, the first connecting port is electrically connected with a second positive/negative electrode contact of the power supply battery, the plurality of second connecting ports are respectively electrically connected with a charging power supply and an external preset load, and the power supply battery is subjected to power output or input allocation through the control circuit.
The further improvement is that: the control circuit has a preset voltage output set value, and controls the output of the limiting voltage value of the power supply battery through the voltage output set value.
The invention has the beneficial effects that:
when the power supply battery is charged, an external preset charging power supply is electrically conducted with a second positive/negative contact of the power supply battery, so that the current and the voltage of the charging power supply respectively charge each first battery pack and each second battery pack inside the first battery pack in a shunting manner; when the power supply battery discharges, the voltage value and the current quantity of each first battery pack are collected at the second positive/negative electrode contact and then output, so that the purpose that the power supply battery can stably perform charging/discharging operation is achieved, and meanwhile, the situation that the power supply battery is easy to generate high temperature in the charging process is avoided.
Drawings
FIG. 1: a schematic diagram of a power supply battery of a first embodiment of the electric vehicle according to the present invention;
FIG. 2: the present invention is a schematic structural diagram of a power supply battery of an electric vehicle according to a second embodiment.
Description of the reference numerals
1. Rechargeable battery
11. Second battery pack
2. First battery pack
21. First positive/negative electrode contact
3. Power supply battery
31. Second positive/negative contact
4. Control circuit
41. A first connection port
42. The second connection port
5. Charging power supply
6. And (4) loading.
Detailed Description
Referring to fig. 1 and 2, the present invention discloses a power supply battery for an electric vehicle, which includes a plurality of rechargeable batteries 1.
The plurality of rechargeable batteries 1 are divided into at least two first battery packs 2 in a grouping manner, each first battery pack 2 is provided with a plurality of rechargeable batteries 1 with a preset number, the plurality of rechargeable batteries 1 in each first battery pack 2 are further divided into at least two second battery packs 11, the plurality of rechargeable batteries 1 of each second battery pack 11 are electrically connected in series, then each second battery pack 11 is electrically connected in parallel to form a group of first battery packs 2, each first battery pack 2 is provided with a preset voltage value and current amount, each first battery pack 2 is provided with a first positive/negative contact 21 and is conducted with a parallel loop of the plurality of second battery packs 11 in the first battery pack 2, and finally the first positive/negative contacts 21 arranged on the plurality of first battery packs 2 are electrically connected in parallel to form a complete power supply battery 3, the power supply battery 3 is provided with a second positive/negative electrode contact 31 and is conducted with the parallel circuit of the plurality of first battery packs 2 therein.
The present invention is illustrated in one embodiment, as shown in FIG. 1, wherein; if the voltage value of each rechargeable battery 1 is 5V and the current amount is 3A, when each first battery pack 2 is provided with 8 rechargeable batteries 1 and each first battery pack 2 is divided into two second battery packs 11 on average, the voltage value of each second battery pack 11 is 20V and the current amount is 3A, and each first battery pack 2 is connected with two second battery packs 11 in parallel, the voltage value of each first battery pack 2 is 20V and the current amount is 6A; if the power supply battery 3 has three first battery packs 2, the total voltage of the power supply battery 3 is 20V and the current amount is 18A.
When the power supply battery 3 is charged, the power supply battery 3 is charged by an externally preset charger, for example: the output end of the charger is electrically connected with the second positive/negative electrode contact 31 of the power supply battery 3 through the transmission line, so that the charging power supply 5 output by the charger can be electrically connected with the power supply battery 3, and the charging power supply 5 (such as output voltage and current) output by the charger is matched with the power supply battery 3, so that the current and voltage of the charging power supply 5 respectively charge each first battery pack 2 and each second battery pack 11 in a shunting manner.
When the power supply battery 3 discharges, the second positive/negative contact 31 of the power supply battery 3 is electrically connected to an external preset load 6 (e.g., an electric motor, a circuit board, a light emitting device, etc.), so that the output voltage value and the current amount of each first battery pack 2 are collected to the second positive/negative contact 31 and then output, so as to supply power to the load 6.
The present invention provides another embodiment, as shown in fig. 2, further comprising a control circuit 4, wherein the control circuit 4 is provided with a first connection port 41 and a plurality of second connection ports 42, the first connection port 41 is used for electrically connecting with the second positive/negative electrode contact 31 of the power supply battery 3, the plurality of second connection ports 42 are used for electrically connecting with the external charging power source 5 and the load 6 respectively, and the control circuit 4 is used for performing the output or input allocation of the power to the power supply battery 3. When the power supply battery 3 is charged, the charging power source 5 of the external preset charger can be transmitted to the control circuit 4 through one of the second connection ports 42, and the control circuit 4 transmits the charging power source 5 to the power supply battery 3 through the first connection port 41, so that the current and the voltage of the charging power source 5 respectively charge each first battery pack 2 in a shunting manner. When the power supply battery 3 discharges, the total output power of the power supply battery 3 is transmitted to the control circuit 4 through the first connection port 41, and then the control circuit 4 allocates the power of the power supply battery 3 to the load 6 to supply power to the load 6.
It should be noted that the control circuit 4 has a preset voltage output setting value for controlling the output of the limit voltage value of the power supply battery 3; when the power supply battery 3 is discharged and the output voltage of the power supply battery 3 is less than or equal to the voltage output set value of the control circuit 4, the first connection port 41 of the control circuit 4 is in an OFF state, so that the power supply battery 3 stops discharging continuously, and the power supply battery 3 is prevented from being damaged due to over-discharge.
In conclusion, the invention has the following effects: dividing a plurality of rechargeable batteries 1 arranged in each first battery pack 2 into at least two second battery packs 11, electrically connecting the rechargeable batteries 1 of each second battery pack 11 in series, then electrically connecting each second battery pack 11 in parallel to form a first battery pack 2, and finally electrically connecting each first battery pack 2 in parallel to form a complete power supply battery 3; therefore, when the power supply battery 3 is charged, the externally preset charging power supply 5 is electrically conducted with the power supply battery 3, so that the current and the voltage of the charging power supply 5 respectively charge each first battery pack 2 and each second battery pack 11 in a shunting manner; when the power supply battery 3 discharges, the voltage value and the current amount of each first battery pack 2 are collected at the second positive/negative electrode contact 31 and then output, so that the purpose that the power supply battery 3 can stably perform charging/discharging operations is achieved, and meanwhile, the situation that the power supply battery 3 is easily subjected to high temperature in the charging process is avoided.
Claims (3)
1. A battery for powering an electric vehicle, comprising:
a plurality of rechargeable batteries divided into at least two or more first battery packs each having a predetermined number of rechargeable batteries, the rechargeable batteries in the first battery pack are divided into at least two second battery packs, the rechargeable batteries of each second battery pack are electrically connected in series, and electrically connecting each of the second battery packs in parallel to form the first battery pack, each of the first battery packs having a predetermined voltage and current, each first battery set is provided with a first positive/negative electrode contact and is conducted with the parallel loop of the second battery set inside the first battery set, the first positive/negative electrode contacts arranged on the first battery sets are electrically connected with each other in a parallel connection way to form a complete power supply battery, the power supply battery is provided with a second positive/negative electrode contact and is communicated with a parallel loop of the first battery pack inside the power supply battery;
when the power supply battery is charged, an external preset charging power supply is electrically conducted with the second positive/negative electrode contact, and the current and the voltage of the charging power supply respectively charge each first battery pack and each second battery pack in a shunting manner; when the power supply battery discharges, the voltage value and the current quantity of each battery pack are collected at the second positive/negative electrode contact and then output.
2. A power supply battery for an electric vehicle according to claim 1, wherein: the control circuit is provided with a first connecting port and a plurality of second connecting ports, the first connecting port is electrically connected with a second positive/negative electrode contact of the power supply battery, the plurality of second connecting ports are respectively electrically connected with a charging power supply and an external preset load, and the power supply battery is subjected to power output or input allocation through the control circuit.
3. A power supply battery for an electric vehicle according to claim 2, wherein: the control circuit has a preset voltage output set value, and controls the output of the limiting voltage value of the power supply battery through the voltage output set value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010080217.3A CN113224470A (en) | 2020-02-05 | 2020-02-05 | Power supply battery of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010080217.3A CN113224470A (en) | 2020-02-05 | 2020-02-05 | Power supply battery of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113224470A true CN113224470A (en) | 2021-08-06 |
Family
ID=77085388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010080217.3A Withdrawn CN113224470A (en) | 2020-02-05 | 2020-02-05 | Power supply battery of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113224470A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06290815A (en) * | 1993-04-02 | 1994-10-18 | Toshiba Corp | Equipment system |
| CN1199935A (en) * | 1997-05-19 | 1998-11-25 | 富士通株式会社 | Series-connected circuit for secondary batteries |
| JP2003173822A (en) * | 2001-12-07 | 2003-06-20 | Matsushita Electric Ind Co Ltd | Charge and discharge system and how to use it |
| US20050253557A1 (en) * | 2004-05-14 | 2005-11-17 | Grand Power Sources Inc. | Electric charging system |
| JP2010160955A (en) * | 2009-01-08 | 2010-07-22 | Panasonic Corp | Method of charging battery pack |
| CN103329338A (en) * | 2011-01-26 | 2013-09-25 | 索尼公司 | Battery pack and power consuming device |
| CN108377655A (en) * | 2015-10-22 | 2018-08-07 | 株式会社自动网络技术研究所 | Vehicle-mounted supply unit |
| WO2018198437A1 (en) * | 2017-04-27 | 2018-11-01 | オートモーティブエナジーサプライ株式会社 | Power supply system, fault diagnosis method for power supply system, and system control device |
-
2020
- 2020-02-05 CN CN202010080217.3A patent/CN113224470A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06290815A (en) * | 1993-04-02 | 1994-10-18 | Toshiba Corp | Equipment system |
| CN1199935A (en) * | 1997-05-19 | 1998-11-25 | 富士通株式会社 | Series-connected circuit for secondary batteries |
| JP2003173822A (en) * | 2001-12-07 | 2003-06-20 | Matsushita Electric Ind Co Ltd | Charge and discharge system and how to use it |
| US20050253557A1 (en) * | 2004-05-14 | 2005-11-17 | Grand Power Sources Inc. | Electric charging system |
| JP2010160955A (en) * | 2009-01-08 | 2010-07-22 | Panasonic Corp | Method of charging battery pack |
| CN103329338A (en) * | 2011-01-26 | 2013-09-25 | 索尼公司 | Battery pack and power consuming device |
| CN108377655A (en) * | 2015-10-22 | 2018-08-07 | 株式会社自动网络技术研究所 | Vehicle-mounted supply unit |
| WO2018198437A1 (en) * | 2017-04-27 | 2018-11-01 | オートモーティブエナジーサプライ株式会社 | Power supply system, fault diagnosis method for power supply system, and system control device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI472446B (en) | Hybrid power supply system | |
| CN104641533A (en) | Apparatus and method for controlling battery | |
| AU2019378207B2 (en) | Electric tool power supply having vehicle starting function | |
| CN103283403B (en) | Hybrid power mower | |
| CN201247804Y (en) | Composite battery equipment of lithium battery combining with lead acid battery | |
| CN209454579U (en) | A kind of Fuel Cell Vehicle Powertrain | |
| CN101826643B (en) | Rechargeable power battery | |
| CN113224470A (en) | Power supply battery of electric vehicle | |
| US20180097371A1 (en) | Lithium battery module imbalance rescue device and wiring assembly thereof | |
| CN214647707U (en) | Double-battery control module for electric vehicle | |
| US10988048B2 (en) | Charging method for stably charging battery and extending power supply period for electric vehicle | |
| CN210126457U (en) | Dual-power-supply management and control system for electric vehicle | |
| WO2021155499A1 (en) | Power supply battery for electric vehicle | |
| US11217853B2 (en) | Power-supplying battery of electric vehicle | |
| CN201167119Y (en) | Charging-discharging device for accumulator battery | |
| TW202125944A (en) | Power supply battery for electric vehicle wherein the power supply battery can perform charging/discharging operations stably | |
| CN110380459B (en) | Charging method for stably charging battery of electric vehicle and prolonging power supply aging | |
| CN101249794A (en) | 42V power package | |
| GB2591755A (en) | Power-supplying battery of electric vehicle | |
| CN214707232U (en) | Battery active equalization device suitable for lithium battery pack | |
| CN206894271U (en) | Energy-storage battery electric current accurate control circuit | |
| CN216216016U (en) | Portable multi-functional energy storage fills electric pile | |
| US11837901B2 (en) | Electric tool power supply having vehicle starting function | |
| CN202503321U (en) | Power supply apparatus and electric car containing the power supply apparatus | |
| CN212343374U (en) | Protection circuit of variable voltage lithium cell group |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210806 |