CN111370803A - Electromagnetic heating temperature control system and management method for electric automobile - Google Patents
Electromagnetic heating temperature control system and management method for electric automobile Download PDFInfo
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- CN111370803A CN111370803A CN201811591043.6A CN201811591043A CN111370803A CN 111370803 A CN111370803 A CN 111370803A CN 201811591043 A CN201811591043 A CN 201811591043A CN 111370803 A CN111370803 A CN 111370803A
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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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- 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
- H01M10/60—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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- 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
- H01M10/6567—Liquids
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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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
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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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- 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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- 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
- Y02T10/72—Electric energy management in electromobility
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- Electrochemistry (AREA)
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Automation & Control Theory (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The management method of the electromagnetic heating temperature control system of the electric automobile comprises the following operation steps: A) and temperature acquisition: a temperature acquisition module of the thermal management temperature control system acquires the temperatures of the power battery, the motor and the inverter; B) and judging the temperature of the judgment module A: the judgment module A is used for judging whether the power battery is at high temperature or low temperature; C) heating and starting; D) when the temperature of the power battery is high, entering a judgment module B; E) judging the temperature of the module B; F) starting heat dissipation; G) and starting cooling; H) and then the process is finished. The temperature control system has good control sensitivity and control response characteristics, the potential of the temperature control system is furthest developed through the temperature acquisition module and the temperature judgment module, the temperature fluctuation is small, and the energy consumption is low; the heating characteristic of the whole vehicle in a low-temperature environment is obviously improved, the requirement on the power consumption of the battery is lower, and the method has good economic and social benefits when being popularized and applied.
Description
Technical Field
The invention belongs to the technical field of new energy, and particularly relates to an electromagnetic heating temperature control system and a management method for an electric vehicle.
Background
With the rapid development of the automobile industry, the energy and environmental problems brought by the automobile industry are more and more paid attention to. With the continuous and rapid development of the economic society of China, China has become the first automobile producing and selling country in the world, and the automobile reserves continue to keep a rapid growth situation. By the end of 2017, the number of motor vehicles in the country reaches 3.10 hundred million. The automobile output and sales volume in China will keep increasing rapidly in the future for a long time, so that the problems of energy safety and environment are more prominent, and the transformation and upgrading pressure of industrial technology is huge; automobile exhaust is one of the important causes of global warming. The popularization and the use of the electric automobile are inevitable choices for economic transformation under the energy safety crisis and the carbon emission reduction pressure in China.
The temperature control system of the electric automobile is a finished automobile temperature control system, also called a finished automobile thermal management system, and has the main function of controlling and adjusting the temperature inside a finished automobile and the temperature of the working environment of components so as to ensure that the components can normally work and provide a comfortable riding environment for passengers. Pure electric vehicles generally have the following characteristics according to the requirements of the operating temperature of each component: the system comprises an air-conditioning refrigeration system, a heating system, a motor cooling system and a battery temperature control system; the electric vehicle not only provides comfortable driving environment for the passenger compartment, but also carries out thermal management on the power battery, other electric motors, inverters and other electric components, and the performance quality and the energy efficiency ratio of the thermal management system directly determine the endurance mileage, driving comfort and driving safety of the electric vehicle.
The electric automobile has essential difference from the traditional automobile thermal management system due to the change of a power system, and mainly comprises the following points: 1. the engine function is cancelled, so that the heating mode is changed: the waste heat utilization of the engine is changed into other heating modes, such as high-voltage direct current PTC heating and the like; 2. the power battery needs thermal management, the operation temperature of the power battery is maintained in a proper temperature range, and the temperature difference between battery cells is controlled to be less than 5 degrees, and the requirements mean that the battery needs thermal management; 3. the number of components and systems requiring thermal management is greatly increased, and the coupling between the components and systems is increased, so that a proper control system is required to manage and control the components and systems; 4. the design concept of the thermal management system is essentially changed: the traditional vehicle pursues system performance, while the design of the thermal system of the electric vehicle focuses more on the energy efficiency ratio of the system, and the requirements on energy conservation and limited power working conditions are more. At present, the research on electric vehicle thermal systems, control strategies thereof and the like at home and abroad is limited.
How to provide an electric automobile electromagnetic heating temperature control system, how to promote energy-saving characteristic and the energy efficiency ratio of thermal system becomes the problem that needs to solve urgently.
Disclosure of Invention
The invention aims to solve the technical problems and provides an electromagnetic heating temperature control system for an electric vehicle and a management method, wherein the electromagnetic heating temperature control system is used for improving the energy-saving characteristic and the energy efficiency ratio of a thermal system.
Electric automobile electromagnetic heating temperature control system, including heat management temperature control system, heating electric water pump, heat dissipation electric water pump, compressor, its characterized in that: the thermal management temperature control system comprises a temperature acquisition module and a temperature judgment module, wherein the temperature acquisition module is respectively connected with the power battery, the motor and the inverter, and the temperature judgment module comprises a judgment module A and a judgment module B, wherein the judgment module A is used for judging whether the temperature is high or low, and the judgment module B is used for judging the high-temperature range;
the heating electric water pump controls a heating medium to be connected with the power battery through the electromagnetic heating module, and finally forms a heating loop with the heating electric water pump, and the judgment module A is used for starting control of the heating electric water pump;
the heat dissipation electric water pump is sequentially connected with the inverter, the motor and the power battery through cooling liquid, and finally forms a heat dissipation loop with the cooling liquid container;
the compressor is sequentially connected with the inverter, the motor and the power battery through cooling liquid, and finally forms a cooling loop with the cooling liquid container; and the judgment module B is used for starting control of the heat dissipation electric water pump and the compressor.
The management method of the electromagnetic heating temperature control system of the electric automobile is characterized by comprising the following steps: the method comprises the following operation steps:
A) and temperature acquisition:
a temperature acquisition module of the thermal management temperature control system acquires the temperatures of the power battery, the motor and the inverter;
B) and judging the temperature of the judgment module A:
the judgment module A is used for judging whether the power battery is at high temperature or low temperature;
C) and heating and starting:
when the temperature of the power battery is low, the judgment module A starts the heating electric water pump, and after the heating electric water pump heats the heating medium through the electromagnetic heating module, the heated heating medium is driven to move to the power battery and finally to the heating electric water pump;
D) when the temperature of the power battery is high, entering a judgment module B;
E) and judging the temperature of the module B:
the judgment module B is used for judging the high-temperature range;
F) and heat dissipation starting:
when the temperature of the power battery is equal to the normal working temperature, the judgment module B starts the heat dissipation electric water pump, the heat dissipation electric water pump sequentially dissipates heat of the inverter, the motor and the power battery through cooling liquid, and the cooling liquid finally moves back to the cooling liquid container;
G) and cooling and starting:
when the power battery runs for a period of time and the temperature of the power battery is greater than or equal to the critical temperature of the battery, the judgment module B starts the compressor, the compressor sequentially dissipates heat of the inverter, the motor and the power battery through cooling liquid, and the cooling liquid finally moves back to the cooling liquid container;
H) and then the process is finished.
In the step A), a temperature acquisition module of the thermal management temperature control system acquires the temperature in an interval acquisition mode.
In the step E) and the step G), when the judging module B is used for judging the high-temperature range, the judging module B starts the compressor to cool when the temperature of the motor exceeds the critical temperature of the motor.
In the step E) and the step G), when the judging module B is used for judging the high temperature range, the judging module B starts the compressor to cool when the temperature of the inverter exceeds the critical temperature of the inverter.
The temperature control system has good control sensitivity and control response characteristics, the potential of the temperature control system is furthest excavated through the temperature acquisition module and the temperature judgment module, the energy-saving characteristic and the energy efficiency ratio of the thermal system are improved, the temperature fluctuation is small, and the energy consumption is low; the heating characteristic of the whole vehicle in a low-temperature environment is obviously improved, and the requirement on the power consumption of the battery is lower; the electromagnetic heating of the electromagnetic heating module basically does not generate heat because of the coil, so the service life is long, the maintenance and the replacement cost are not needed; the heating part adopts an annular cable structure, the cable can not generate heat and can bear high temperature of more than 500 ℃, the service life is as long as 10 years, the maintenance is not needed, the maintenance cost is not needed in the later period, and the popularization and the application have good economic benefit and social benefit.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The invention is further described with reference to the accompanying drawings, but is not to be construed as being limited thereto.
As shown in fig. 1, the electromagnetic heating temperature control system of the electric automobile comprises a heat management temperature control system, a heating electric water pump, a heat dissipation electric water pump and a compressor, and is characterized in that: the thermal management temperature control system comprises a temperature acquisition module and a temperature judgment module, wherein the temperature acquisition module is respectively connected with the power battery, the motor and the inverter, and the temperature judgment module comprises a judgment module A and a judgment module B, wherein the judgment module A is used for judging whether the temperature is high or low, and the judgment module B is used for judging the high-temperature range;
the heating electric water pump controls a heating medium to be connected with the power battery through the electromagnetic heating module, and finally forms a heating loop with the heating electric water pump, and the judgment module A is used for starting control of the heating electric water pump; the heating medium is any one of water or ethylene glycol;
the heat dissipation electric water pump is sequentially connected with the inverter, the motor and the power battery through cooling liquid, and finally forms a heat dissipation loop with the cooling liquid container;
the compressor is sequentially connected with the inverter, the motor and the power battery through cooling liquid, and finally forms a cooling loop with the cooling liquid container; and the judgment module B is used for starting control of the heat dissipation electric water pump and the compressor.
The management method of the electromagnetic heating temperature control system of the electric automobile is characterized by comprising the following steps: the method comprises the following operation steps:
A) and temperature acquisition:
a temperature acquisition module of the thermal management temperature control system acquires the temperatures of the power battery, the motor and the inverter;
B) and judging the temperature of the judgment module A:
the judgment module A is used for judging whether the power battery is at high temperature or low temperature;
C) and heating and starting:
when the temperature of the power battery is low, the judgment module A starts the heating electric water pump, and after the heating electric water pump heats the heating medium through the electromagnetic heating module, the heated heating medium is driven to move to the power battery and finally to the heating electric water pump;
D) when the temperature of the power battery is high, entering a judgment module B;
E) and judging the temperature of the module B:
the judgment module B is used for judging the high-temperature range;
F) and heat dissipation starting:
when the temperature of the power battery is equal to the normal working temperature, the judgment module B starts the heat dissipation electric water pump, the heat dissipation electric water pump sequentially dissipates heat of the inverter, the motor and the power battery through cooling liquid, and the cooling liquid finally moves back to the cooling liquid container;
G) and cooling and starting:
when the power battery runs for a period of time and the temperature of the power battery is greater than or equal to the critical temperature of the battery, the judgment module B starts the compressor, the compressor sequentially dissipates heat of the inverter, the motor and the power battery through cooling liquid, and the cooling liquid finally moves back to the cooling liquid container;
H) and then the operation is finished;
in the step A), a temperature acquisition module of the thermal management temperature control system acquires temperature in an interval acquisition mode;
in the step E) and the step G), when the judging module B is used for judging the high-temperature range, when the temperature of the motor exceeds the critical temperature of the motor, the judging module B starts the compressor for cooling;
in the step E) and the step G), when the judging module B is used for judging the high temperature range, the judging module B starts the compressor to cool when the temperature of the inverter exceeds the critical temperature of the inverter.
The above examples are merely illustrative for clearly illustrating the present invention and are not intended to limit the embodiments. It will be apparent to those skilled in the art that other variations and modifications may be made in the foregoing disclosure without departing from the spirit or essential characteristics of the invention, and it is not desired to exhaustively enumerate all embodiments, but rather those variations and modifications which are obvious and can be derived therefrom within the scope of the invention.
Claims (5)
1. Electric automobile electromagnetic heating temperature control system, including heat management temperature control system, heating electric water pump, heat dissipation electric water pump, compressor, its characterized in that: the thermal management temperature control system comprises a temperature acquisition module and a temperature judgment module, wherein the temperature acquisition module is respectively connected with the power battery, the motor and the inverter, and the temperature judgment module comprises a judgment module A and a judgment module B, wherein the judgment module A is used for judging whether the temperature is high or low, and the judgment module B is used for judging the high-temperature range;
the heating electric water pump controls a heating medium to be connected with the power battery through the electromagnetic heating module, and finally forms a heating loop with the heating electric water pump, and the judgment module A is used for starting control of the heating electric water pump;
the heat dissipation electric water pump is sequentially connected with the inverter, the motor and the power battery through cooling liquid, and finally forms a heat dissipation loop with the cooling liquid container;
the compressor is sequentially connected with the inverter, the motor and the power battery through cooling liquid, and finally forms a cooling loop with the cooling liquid container; and the judgment module B is used for starting control of the heat dissipation electric water pump and the compressor.
2. The management method of the electromagnetic heating temperature control system of the electric automobile is characterized by comprising the following steps: the method comprises the following operation steps:
A) and temperature acquisition:
a temperature acquisition module of the thermal management temperature control system acquires the temperatures of the power battery, the motor and the inverter;
B) and judging the temperature of the judgment module A:
the judgment module A is used for judging whether the power battery is at high temperature or low temperature;
C) and heating and starting:
when the temperature of the power battery is low, the judgment module A starts the heating electric water pump, and after the heating electric water pump heats the heating medium through the electromagnetic heating module, the heated heating medium is driven to move to the power battery and finally to the heating electric water pump;
D) when the temperature of the power battery is high, entering a judgment module B;
E) and judging the temperature of the module B:
the judgment module B is used for judging the high-temperature range;
F) and heat dissipation starting:
when the temperature of the power battery is equal to the normal working temperature, the judgment module B starts the heat dissipation electric water pump, the heat dissipation electric water pump sequentially dissipates heat of the inverter, the motor and the power battery through cooling liquid, and the cooling liquid finally moves back to the cooling liquid container;
G) and cooling and starting:
when the power battery runs for a period of time and the temperature of the power battery is greater than or equal to the critical temperature of the battery, the judgment module B starts the compressor, the compressor sequentially dissipates heat of the inverter, the motor and the power battery through cooling liquid, and the cooling liquid finally moves back to the cooling liquid container;
H) and then the process is finished.
3. The management method of the electromagnetic heating temperature control system of the electric automobile according to claim 2, characterized in that: in the step A), a temperature acquisition module of the thermal management temperature control system acquires the temperature in an interval acquisition mode.
4. The management method of the electromagnetic heating temperature control system of the electric automobile according to claim 2, characterized in that: in the step E) and the step G), when the judging module B is used for judging the high-temperature range, the judging module B starts the compressor to cool when the temperature of the motor exceeds the critical temperature of the motor.
5. The management method of the electromagnetic heating temperature control system of the electric automobile according to claim 2, characterized in that: in the step E) and the step G), when the judging module B is used for judging the high temperature range, the judging module B starts the compressor to cool when the temperature of the inverter exceeds the critical temperature of the inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811591043.6A CN111370803A (en) | 2018-12-25 | 2018-12-25 | Electromagnetic heating temperature control system and management method for electric automobile |
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| CN201811591043.6A CN111370803A (en) | 2018-12-25 | 2018-12-25 | Electromagnetic heating temperature control system and management method for electric automobile |
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| CN111370803A true CN111370803A (en) | 2020-07-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112687595A (en) * | 2021-03-12 | 2021-04-20 | 北京京仪自动化装备技术有限公司 | Temperature control system and temperature control method for semiconductor manufacturing |
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2018
- 2018-12-25 CN CN201811591043.6A patent/CN111370803A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112687595A (en) * | 2021-03-12 | 2021-04-20 | 北京京仪自动化装备技术有限公司 | Temperature control system and temperature control method for semiconductor manufacturing |
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