CN111463523A - Method for heating extended range electric vehicle battery pack - Google Patents
Method for heating extended range electric vehicle battery pack Download PDFInfo
- Publication number
- CN111463523A CN111463523A CN202010291937.4A CN202010291937A CN111463523A CN 111463523 A CN111463523 A CN 111463523A CN 202010291937 A CN202010291937 A CN 202010291937A CN 111463523 A CN111463523 A CN 111463523A
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- Prior art keywords
- pipe
- battery pack
- control unit
- heating
- valve
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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
- H01M10/615—Heating or keeping warm
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/443—Methods for charging or discharging in response to temperature
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
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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
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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
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
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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
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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)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a range-extended electric vehicle battery pack heating method which comprises a battery pack control unit, a temperature sensor, an engine control unit, valves, a water pump, a heating water pipe, a vehicle-mounted charger, a charging gun, a water pipe of a warm air water tank heated by an air conditioner and a battery pack cooling pipeline, wherein after a vehicle is inserted into the charging gun, the battery pack control unit receives a gun inserting signal, the temperature sensor detects that the battery is low in temperature and does not reach a chargeable state, the battery control unit sends an engine starting or idling signal to enable the engine to be kept in an idling state, and the battery control unit controls two electric control valves to be opened to control the water pump to be started. The heating method of the extended range electric vehicle battery pack can rapidly heat the battery pack to enable the battery pack to enter a chargeable state, and damage to the battery due to low-temperature charging is prevented. And the newly-added water pipe is simple in arrangement, small in occupied space and easy to realize.
Description
Technical Field
The invention relates to the technical field of battery packs, in particular to a heating method for a range-extended electric vehicle battery pack.
Background
In recent years, with the improvement of energy conservation and emission reduction requirements, the energy recovery of new energy automobiles is more and more emphasized by people. When the new energy automobile is charged in a low-temperature environment, the battery pack is easily damaged. The common battery pack heating methods at present comprise single heating and shared heating. The independent heating method, the battery pack heating and the cab heating are respectively provided with independent heating sources, the required space is large, the difficulty is increased for the arrangement of the whole vehicle, and the energy loss is large. The heating method is shared, the control is complex, and the heating is slow.
Disclosure of Invention
The invention aims to provide a range-extended electric vehicle battery pack heating method which comprises a battery pack control unit, a temperature sensor, an engine control unit, valves, a water pump, a heating water pipe, a vehicle-mounted charger and a charging gun, wherein a water pipe of a warm air water tank heated by an air conditioner is connected with a battery pack cooling pipeline, when a vehicle is inserted into the charging gun, the battery pack control unit receives a gun inserting signal, the temperature sensor detects that the battery is low in temperature and does not reach a chargeable state, the battery control unit sends an engine starting or idling signal to enable the engine to be kept in an idling state, the battery control unit controls two electric control valves to be opened to control the water pump to be opened, and when the detected battery temperature reaches more than 5 ℃ of an allowable charging temperature, the battery control unit sends a charging request instruction to charge the charger.
Preferably, the valve is a high-temperature-resistant electric control valve and is controlled by the battery pack control unit.
Preferably, the engine has a warm water pipe for supplying heat to the vehicle air conditioning system.
Preferably, the battery pack control unit may send an engine start or idle instruction to the engine control unit.
Preferably, the battery pack heating water pipe is connected behind the water outlet of the warm air water tank.
Preferably, the electric control valve comprises a valve 1 and a valve 2, wherein when the valve 1 is opened, a pipe 1 is communicated with a pipe 4, when the valve 1 is closed, a pipe 3 is communicated with the pipe 4, when the valve 2 is opened, the pipe 2 is communicated with a pipe 5, and when the valve 2 is closed, the pipe 3 is communicated with the pipe 5.
Preferably, the water pipe includes a pipe 1, a pipe 2, a pipe 3, a pipe 4, and a pipe 5, and the pipe 3, the pipe 4, and the pipe 5 are battery pack cooling pipes, and the pipe 1 and the pipe 2 are pipes for introducing heat of the engine when the battery pack is heated.
Preferably, a water pump is installed between the pipe 4 and the battery pack, and when heated, the water pump can accelerate the bringing of the engine coolant having a high temperature into the battery pack, and can prevent the battery pack from being locally overheated.
Compared with the prior art, the invention has the beneficial effects that: the heating method of the extended range electric vehicle battery pack can rapidly heat the battery pack to enable the battery pack to enter a chargeable state, and damage to the battery due to low-temperature charging is prevented. And the newly-added water pipe is simple in arrangement, small in occupied space and easy to realize.
Drawings
FIG. 1 is a schematic of the structure of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A method for heating a battery pack of an extended range electric automobile comprises a battery pack control unit, a temperature sensor, an engine control unit, valves, a water pump, a heating water pipe, a vehicle-mounted charger and a charging gun, wherein a water pipe of a warm air water tank heated by an air conditioner is connected with a battery pack cooling pipeline, when a vehicle is inserted into the charging gun, the battery pack control unit receives a gun inserting signal, the temperature sensor detects that the battery is low in temperature and does not reach a charging state, the battery control unit sends an engine starting or idling signal to enable the engine to be kept in the idling state, the battery control unit controls two electric control valves to be opened to control the water pump to be started, and when the detected battery temperature reaches more than 5 degrees of an allowable charging temperature, the battery control unit sends a charging request instruction to charge the charger.
The valve is a high-temperature resistant electric control valve and is controlled by the battery pack control unit. The engine has a warm water pipe that supplies heat to the vehicle air conditioning system. The battery pack control unit may send an engine start or idle instruction to the engine control unit. The battery pack heating water pipe is connected behind the water outlet of the warm air water tank. The electric control valve comprises a valve 1 and a valve 2, the pipe 1 is communicated with the pipe 4 when the valve 1 is opened, the pipe 3 is communicated with the pipe 4 when the valve 1 is closed, the pipe 2 is communicated with the pipe 5 when the valve 2 is opened, and the pipe 3 is communicated with the pipe 5 when the valve 2 is closed. The water pipe comprises a pipe 1, a pipe 2, a pipe 3, a pipe 4 and a pipe 5, wherein the pipe 3, the pipe 4 and the pipe 5 are cooling pipelines of the battery pack, and the pipe 1 and the pipe 2 are pipelines for introducing heat of the engine when the battery pack is heated. The water pump is installed between the pipe 4 and the battery pack, and when the water pump is heated, the water pump can accelerate to bring engine coolant with higher temperature into the battery pack, and can prevent the battery pack from being locally overheated.
When a vehicle is inserted into a charging gun, the battery control unit receives a gun inserting signal, detects that the battery temperature is low through the temperature sensor and does not reach a chargeable state, and then the battery control unit sends an engine starting or idling signal to enable the engine to be kept in an idling state. The battery control unit controls the two electric control valves to be opened again, the water pump is controlled to be opened, hot engine cooling liquid flows into the battery pack to heat the battery pack, and when the detected battery temperature reaches the allowable charging temperature of more than 5 ℃, the battery control unit sends a charging request instruction to charge the charger.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a range extending electric automobile battery package heating method, includes battery package control unit, temperature sensor, engine control unit, valve, water pump, heating water pipe, on-vehicle machine that charges, rifle that charges, its characterized in that: the water pipe of the air-conditioning warm air water tank is connected with the battery pack cooling pipeline, when a vehicle is inserted into a charging gun, the battery pack control unit receives a gun insertion signal, detects that the temperature of the battery is low through the temperature sensor and does not reach a chargeable state, sends an engine starting or idling signal to enable the engine to be kept in the idling state at the moment, controls the two electric control valves to be opened again through the battery control unit, controls the water pump to be started, and sends a charging request instruction to a charger to charge when the detected temperature of the battery reaches above 5 ℃ of an allowable charging temperature.
2. The method for heating the extended range electric vehicle battery pack according to claim 1, wherein: the valve is a high-temperature resistant electric control valve and is controlled by the battery pack control unit.
3. The method for heating the extended range electric vehicle battery pack according to claim 1, wherein: the engine has a warm water pipe that supplies heat to the vehicle air conditioning system.
4. The method for heating the extended range electric vehicle battery pack according to claim 1, wherein: the battery pack control unit may send an engine start or idle instruction to the engine control unit.
5. The method for heating the extended range electric vehicle battery pack according to claim 1, wherein: the battery pack heating water pipe is connected behind the water outlet of the warm air water tank.
6. The method for heating the extended range electric vehicle battery pack according to claim 1, wherein: the electric control valve comprises a valve 1 and a valve 2, the pipe 1 is communicated with the pipe 4 when the valve 1 is opened, the pipe 3 is communicated with the pipe 4 when the valve 1 is closed, the pipe 2 is communicated with the pipe 5 when the valve 2 is opened, and the pipe 3 is communicated with the pipe 5 when the valve 2 is closed.
7. The method for heating the extended range electric vehicle battery pack according to claim 1, wherein: the water pipe comprises a pipe 1, a pipe 2, a pipe 3, a pipe 4 and a pipe 5, wherein the pipe 3, the pipe 4 and the pipe 5 are cooling pipelines of the battery pack, and the pipe 1 and the pipe 2 are pipelines for introducing heat of the engine when the battery pack is heated.
8. The method for heating the extended range electric vehicle battery pack according to claim 1, wherein: the water pump is installed between the pipe 4 and the battery pack, and when the water pump is heated, the water pump can accelerate to bring engine coolant with higher temperature into the battery pack, and can prevent the battery pack from being locally overheated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010291937.4A CN111463523A (en) | 2020-04-14 | 2020-04-14 | Method for heating extended range electric vehicle battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010291937.4A CN111463523A (en) | 2020-04-14 | 2020-04-14 | Method for heating extended range electric vehicle battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111463523A true CN111463523A (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010291937.4A Pending CN111463523A (en) | 2020-04-14 | 2020-04-14 | Method for heating extended range electric vehicle battery pack |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400957A (en) * | 2021-07-27 | 2021-09-17 | 上海洛轲智能科技有限公司 | Self-starting charging method and device for extended range vehicle, electronic equipment and medium |
-
2020
- 2020-04-14 CN CN202010291937.4A patent/CN111463523A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400957A (en) * | 2021-07-27 | 2021-09-17 | 上海洛轲智能科技有限公司 | Self-starting charging method and device for extended range vehicle, electronic equipment and medium |
| CN113400957B (en) * | 2021-07-27 | 2021-12-21 | 上海洛轲智能科技有限公司 | Self-starting charging method and device for extended range vehicle, electronic equipment and medium |
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