CN106921005B - Battery control system - Google Patents
Battery control system Download PDFInfo
- Publication number
- CN106921005B CN106921005B CN201710205220.1A CN201710205220A CN106921005B CN 106921005 B CN106921005 B CN 106921005B CN 201710205220 A CN201710205220 A CN 201710205220A CN 106921005 B CN106921005 B CN 106921005B
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- CN
- China
- Prior art keywords
- battery
- battery box
- power
- cell body
- lithium cell
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- 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.)
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Classifications
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- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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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
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
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- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Sustainable Development (AREA)
Abstract
The invention relates to a battery control system, which comprises a lithium battery body and a battery box for placing the lithium battery body, wherein an electrothermal film is arranged on the inner wall of the battery box, a plurality of supporting blocks are arranged in a space between the electrothermal film and the lithium battery body, a miniature cooling fan is arranged at the bottom of the battery box, a plurality of cooling holes are arranged at the top of the battery box, an air channel is formed between the lithium battery body and the electrothermal film, the lithium battery body is connected with a battery management system BMS, the battery management system BMS is connected with a power on-off controller MCU, the power on-off controller MCU is connected with a temperature sensor for detecting the temperature in the battery box and a coil of a normally closed relay, and a contact switch of the normally closed relay is connected with a power supply circuit connected with external electric equipment and an external power supply. The invention can effectively control and protect the battery and prevent the battery from being damaged and dangerous.
Description
Technical Field
The invention belongs to the technical field of batteries, and particularly relates to a battery control system.
Background
Along with the development trend of the international automobile industry and the environmental protection industry, which is gradually the energy conservation and emission reduction and energy dependence reduction, and the pressure brought to the automobile industry by the continuous rising of the oil price, the China government has made corresponding energy conservation and new energy automobile development strategies in recent years. New energy automobiles are taken as an important ring for developing alternative energy and building a sustainable low-carbon society, are more and more highly valued in all countries of the world, and the government of China has formally listed the new energy automobiles into one of seven strategic industries. In this case, development of new energy vehicles is receiving increasing attention from various communities, and market demand thereof is increasing year by year. The power battery is used as a power assembly of the new energy vehicle, and the safety and reliability of the power battery can guarantee the normal operation of the new energy vehicle. In recent years, safety accidents caused by battery faults of new energy automobiles also frequently occur. So the safety problem of the new energy automobile battery is highly valued by consumers.
Disclosure of Invention
The invention aims to solve the technical problems and provide a battery control system for performing interference control on a power battery, so as to realize the protection function of the battery, ensure the safety and stability of the battery and avoid some potential safety hazards of the battery in the use process.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a battery control system, includes the lithium cell body and is used for placing the battery box of lithium cell body, the inner wall of battery box is equipped with the electrothermal film, the electrothermal film with be equipped with a plurality of supporting shoe in the space between the lithium cell body, in order to support the location the lithium cell body, the bottom of battery box is equipped with miniature radiator fan, the top of battery box is equipped with a plurality of louvres, the lithium cell body with form the wind passageway between the electrothermal film, battery management system BMS is connected to the lithium cell body, battery management system BMS ((Battery Management System) connect power on-off controller MCU, power on-off controller MCU connects the coil that is used for detecting temperature sensor and normally closed relay in the battery box, normally closed relay's contact switch connects on the power supply circuit that lithium cell body and external consumer are connected, power on-off controller MCU connects external power source, and with radiator fan is connected.
The temperature sensor is arranged on the battery box, and the detection head extends into the wind channel through the electrothermal film.
The battery box is provided with a wire through hole for connecting lines through leading out, and the lead-out of signal wires for connecting the lithium battery body and the battery management system BMS and the lead-out of a power connection wire of the power on-off controller MCU and the miniature radiator fan are included.
When the temperature in the battery box is detected to be greater than a preset value, the system can be detected through the temperature sensor, at the moment, the power supply circuit of the normally closed relay is connected through the control of the power supply on-off controller MCU, the work of the radiating fan is realized, and the rapid heat dissipation is realized through the wind channel and the heat dissipation hole formed between the lithium battery body and the electric heating film, so that the working environment of the battery is ensured not to be too high, the dangers such as explosion generated when the battery works in a high-temperature environment are solved, and when the temperature in the battery box cannot be reduced to a required safe temperature range in a period of time due to the working of the radiating fan, the power supply of the normally closed relay is disconnected through the control of the power supply on-off controller MCU, the normally closed relay is powered off, the external power supply circuit is automatically disconnected, and the dangers such as explosion are prevented.
Because the battery management system BMS is used for managing the temperature, voltage, current, SOC and other data of the battery, when the detected temperature, voltage, current, SOC and other data of the battery are not in accordance with the requirements, a signal can be given to the power on-off controller MCU, and the power on-off controller MCU cuts off the power supply of the normally-closed relay, so that the normally-closed relay is powered off and disconnected, and the external power supply circuit is automatically cut off when the working condition of the battery is not in accordance with the requirements, and the damage to the battery and the performance damage to the battery are prevented.
Drawings
Fig. 1 is a schematic structural diagram of a battery control system according to an embodiment of the present invention.
Detailed Description
The essential features and advantages of the invention will be further elucidated with reference to the examples, without however being limited to the embodiments listed.
Referring to fig. 1, a structure of a battery control system according to an embodiment of the present invention is shown. For convenience of explanation, only portions relevant to the embodiments of the present invention are shown.
Referring to fig. 1, a battery control system includes a lithium battery body 1 and a battery box 2 for placing the lithium battery body, an electrothermal film 3 is disposed on an inner wall of the battery box, a plurality of support blocks 5 are disposed in a space between the electrothermal film and the lithium battery body to support and position the lithium battery body 1, a micro cooling fan 6 is disposed at a bottom of the battery box, a plurality of cooling holes 7 are disposed at a top of the battery box, an air channel 4 is formed between the lithium battery body and the electrothermal film, the lithium battery body 1 is connected with a battery management system BMS12, the battery management system BMS is connected with a power on-off controller MCU9, the power on-off controller MCU is connected with a temperature sensor 8 for detecting a temperature in the battery box and a coil of a normally closed relay 10, a contact switch of the normally closed relay 10 is connected with a power supply circuit of the lithium battery body 1 connected with an external power supply, and the power on-off controller MCU9 is connected with an external power supply 11 and is connected with the cooling fan 6.
The lithium battery body is a lithium battery pack, the connection mode of the lithium battery body and the battery management system BMS is the prior art, and the battery management system BMS is used for managing data such as temperature, voltage, current and SOC of the battery.
The temperature sensor is arranged on the battery box, and the detection head extends into the wind channel through the electrothermal film so as to effectively detect the temperature in the battery box.
The battery box is provided with a wire through hole 15 for leading out a connecting line, wherein the wire through hole comprises a signal wire 13 for connecting the lithium battery body with a battery management system BMS, and a power connection wire 14 for connecting the power on-off controller MCU with the micro radiator fan.
And a wire sleeve is arranged in the wire through hole 15, and the miniature heat dissipation is fixed with the bottom plate body of the battery box.
When the system detects that the temperature in the battery box is greater than a preset value, the system can detect the temperature through the temperature sensor, at the moment, the power supply circuit of the external power supply and the cooling fan is connected through the MCU, so that the cooling fan works, and the rapid heat dissipation is realized through the wind channel and the heat dissipation hole formed between the lithium battery body and the electric heating film, so that the working environment of the battery is ensured not to be too high, and the dangers such as explosion and the like caused by the working of the battery in a high-temperature environment are solved.
When the cooling fan works in a period of time and the temperature in the battery box cannot be reduced to a required safe temperature range, the power supply of the normally closed relay is disconnected by the power supply on-off controller MCU, so that the normally closed relay is powered off to be disconnected, an external power supply circuit is automatically cut off, and the occurrence of dangers such as explosion and the like is prevented.
Because battery management system BMS is used for managing data such as temperature, voltage, electric current, SOC of battery, consequently detect that data such as temperature, voltage, electric current, SOC of battery are inconsistent, battery management system BMS can give power on-off controller MCU is a signal, by power on-off controller MCU disconnection normally closed relay's power, makes normally closed relay lose electricity and break off to also prevented that the battery from when operating condition is inconsistent, automatic shutdown external power supply circuit can cause harm, harm battery's performance has been prevented.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (3)
1. The utility model provides a battery control system, its characterized in that, include the lithium cell body and be used for placing the battery box of lithium cell body, the inner wall of battery box is equipped with the electrothermal film, the electrothermal film with be equipped with a plurality of supporting shoe in the space between the lithium cell body, in order to support the location the lithium cell body, the bottom of battery box is equipped with miniature radiator fan, the top of battery box is equipped with a plurality of louvres, the lithium cell body with form the wind passageway between the electrothermal film, battery management system BMS is connected to the lithium cell body, battery management system BMS connects power on-off controller MCU, power on-off controller MCU connects the coil that is used for detecting temperature sensor and normally closed relay in the battery box, normally closed relay's contact switch connects on the power supply circuit that lithium cell body and external consumer are connected, power on-off controller MCU connects external power source, and with radiator fan is connected.
2. The battery control system of claim 1, wherein the temperature sensor is mounted on the battery box and the detection head extends into the wind tunnel through the electrothermal film.
3. The battery control system according to claim 2, wherein the battery box is provided with a wire through hole for leading out connection lines, including leading out signal lines connecting the lithium battery body and the battery management system BMS, and leading out power connection lines of the power on-off controller MCU and the micro heat dissipation fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710205220.1A CN106921005B (en) | 2017-03-31 | 2017-03-31 | Battery control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710205220.1A CN106921005B (en) | 2017-03-31 | 2017-03-31 | Battery control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106921005A CN106921005A (en) | 2017-07-04 |
| CN106921005B true CN106921005B (en) | 2023-09-01 |
Family
ID=59460516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710205220.1A Active CN106921005B (en) | 2017-03-31 | 2017-03-31 | Battery control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106921005B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107302063A (en) * | 2017-08-25 | 2017-10-27 | 成都优力德新能源有限公司 | A kind of heat-dissipating casing applied to new energy car battery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1874050A (en) * | 2006-06-06 | 2006-12-06 | 北京理工大学 | Dedicated constant temperature cabinet for battery pack of electric motor car |
| JP2008113505A (en) * | 2006-10-30 | 2008-05-15 | Edison Power:Kk | Temperature control system for battery |
| CN204361210U (en) * | 2014-12-23 | 2015-05-27 | 吉林大学 | A kind of Thermal Management System for EV Battery Packs |
| CN105070959A (en) * | 2015-07-17 | 2015-11-18 | 新乡市新能电动汽车有限公司 | Heat balance management device for power battery pack and management method of heat balance management device |
| CN206673059U (en) * | 2017-03-31 | 2017-11-24 | 天津中科先进技术研究院有限公司 | Battery control system |
-
2017
- 2017-03-31 CN CN201710205220.1A patent/CN106921005B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1874050A (en) * | 2006-06-06 | 2006-12-06 | 北京理工大学 | Dedicated constant temperature cabinet for battery pack of electric motor car |
| JP2008113505A (en) * | 2006-10-30 | 2008-05-15 | Edison Power:Kk | Temperature control system for battery |
| CN204361210U (en) * | 2014-12-23 | 2015-05-27 | 吉林大学 | A kind of Thermal Management System for EV Battery Packs |
| CN105070959A (en) * | 2015-07-17 | 2015-11-18 | 新乡市新能电动汽车有限公司 | Heat balance management device for power battery pack and management method of heat balance management device |
| CN206673059U (en) * | 2017-03-31 | 2017-11-24 | 天津中科先进技术研究院有限公司 | Battery control system |
Non-Patent Citations (1)
| Title |
|---|
| 辛喆 ; 葛元月 ; 薄伟 ; 张云龙 ; 李亚平 ; 杨建为.基于单片机的纯电动汽车电池管理系统设计.农业工程学报.2014,30(12),全文. * |
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| Publication number | Publication date |
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| CN106921005A (en) | 2017-07-04 |
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Address after: 301 Innovation Workshop R&D Center, Xingqi No.1, Haitai Development 6th Road, Huayuan Industrial Zone (Huanwai), High tech Zone, Binhai New Area, Tianjin, 300384 Applicant after: Tianjin Zhongke advanced technology industry Co.,Ltd. Address before: 300384 R & D center of Xingqi No. 1 Innovation workshop, No. 3, Haitai development road 6, Huayuan Industrial Zone (outside the ring), Binhai high tech Zone, Xiqing District, Tianjin 301 Applicant before: TIANJIN CHINESE-ACADEMY-OF-SCIENCES INSTITUTE OF ADVANCED TECHNOLOGY |
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