CN111645511A - Electric automobile thermal management system and electric automobile - Google Patents

Electric automobile thermal management system and electric automobile Download PDF

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Publication number
CN111645511A
CN111645511A CN202010485124.9A CN202010485124A CN111645511A CN 111645511 A CN111645511 A CN 111645511A CN 202010485124 A CN202010485124 A CN 202010485124A CN 111645511 A CN111645511 A CN 111645511A
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China
Prior art keywords
air
detection signal
battery
temperature
outlet
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Pending
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CN202010485124.9A
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Chinese (zh)
Inventor
刘博�
樊小烁
王晓辉
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Modern Auto Co Ltd
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Modern Auto Co Ltd
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Priority to CN202010485124.9A priority Critical patent/CN111645511A/en
Publication of CN111645511A publication Critical patent/CN111645511A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
    • B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • 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
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/425—Temperature
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/545—Temperature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

The invention discloses an electric automobile thermal management system and an electric automobile. The electric drive temperature control system, the battery temperature control system and the air conditioning system are all in communication connection with a vehicle control unit of the automobile, and the vehicle control unit controls the working states of the electric drive temperature control system, the battery temperature control system and the air conditioning system. The working states of the electric driving temperature control system, the battery temperature control system and the air conditioning system are simultaneously controlled through the vehicle control unit, and compared with the electric driving temperature control system, the battery temperature control system and the air conditioning system, the electric driving temperature control system, the battery temperature control system and the air conditioning system are provided with independent controllers for control, so that the energy utilization efficiency of the electric vehicle heat management system can be improved, the manufacturing cost of the electric vehicle heat management system is reduced, and the manufacturing cost of the electric vehicle can be reduced.

Description

Electric automobile thermal management system and electric automobile
Technical Field
The invention relates to the field of automobiles, in particular to an electric automobile heat management system and an electric automobile.
Background
Along with the increasing requirements of people on the living quality, the number of automobiles is more and more, and the electric automobile has the remarkable advantages of zero emission, low cost, low noise, good driving performance and the like as an important form of a new energy automobile, and has a very wide application prospect. The thermal management system of the electric automobile generally comprises an electric driving temperature control system, a battery temperature control system and an air conditioning system; the electric drive temperature control system, the battery temperature control system and the air conditioning system are all required to be provided with independent controllers for control, and the electric drive temperature control system, the battery temperature control system and the air conditioning system are arranged in a structure like this. For example, under the partial operating mode condition of the automobile driving process, the air conditioner compressor needs to cool the passenger compartment and the power battery at the same time, and the common method is to simply superpose the rotating speed requirements of the air conditioner compressor, so that the air conditioner compressor can not be guaranteed to work in a high-efficiency interval on the one hand, and corresponding matching can not be achieved according to the respective requirements of two corresponding systems, thereby leading to the waste of the energy of the whole automobile. Which in turn results in less efficient energy utilization and higher manufacturing costs for the thermal management system of the electric vehicle.
Therefore, the thermal management system of the electric vehicle in the prior art has the problems of low energy utilization efficiency and high manufacturing cost.
Disclosure of Invention
The invention aims to solve the problem that a thermal management system of an electric automobile in the prior art is low in energy utilization efficiency. Therefore, the invention provides an electric vehicle thermal management system and an electric vehicle, which simultaneously control the working states of an electric drive temperature control system, a battery temperature control system and an air conditioning system through a vehicle control unit so as to improve the energy utilization efficiency of the electric vehicle thermal management system.
In order to solve the above problems, an embodiment of the present invention provides an electric vehicle thermal management system, which includes an electric drive temperature control system, a battery temperature control system, and an air conditioning system;
the electric driving temperature control system, the battery temperature control system and the air conditioning system are in communication connection with a vehicle control unit of the automobile, and the vehicle control unit controls the electric driving temperature control system, the battery temperature control system and the air conditioning system to work.
By adopting the technical scheme, the working states of the electric drive temperature control system, the battery temperature control system and the air conditioning system are simultaneously controlled by the vehicle control unit, and compared with the electric drive temperature control system, the battery temperature control system and the air conditioning system which are provided with independent controllers for control, the electric vehicle thermal management system in the embodiment optimizes and arbitrates the working states of all parts related to the three systems of the electric drive temperature control system, the battery temperature control system and the air conditioning system by the vehicle control unit, so that the energy utilization optimization of the whole thermal management system can be ensured, the energy utilization efficiency of the electric vehicle thermal management system can be improved, and the manufacturing cost of the electric vehicle thermal management system can be reduced.
Further, another embodiment of the present invention provides an electric vehicle thermal management system, wherein the electric drive temperature control system includes a motor temperature detection component, a motor controller temperature detection component, a three-in-one control module temperature detection component, a heat sink, a motor cooling pump, a first expansion tank, and an electric drive cooling loop; wherein the content of the first and second substances,
the motor temperature detection component is arranged on one side of a motor of the automobile and used for detecting the temperature around the motor and generating a first detection signal; the motor controller temperature detection part is arranged on one side of a motor controller of the automobile and used for detecting the temperature around the motor controller and generating a second detection signal; the three-in-one control module temperature detection part is arranged on one side of the three-in-one control module of the automobile and used for detecting the temperature around the three-in-one control module and generating a third detection signal; and the number of the first and second electrodes,
the signal output ends of the motor temperature detection part, the motor controller temperature detection part and the three-in-one control module temperature detection part are all in communication connection with the signal input end of the vehicle controller, the radiator is arranged on one side of the motor controller and one side of the three-in-one control module, the water inlet of the motor cooling pump is connected with the first expansion kettle through a pipeline, and the water outlet of the motor cooling pump is connected with the electric drive cooling loop through a pipeline; the motor cooling loop is arranged around the motor and used for cooling the motor;
and the signal output end of the vehicle control unit is respectively in communication connection with the radiator and the motor cooling pump, and the vehicle control unit acquires the first detection signal, the second detection signal and the third detection signal and respectively controls the working states of the radiator and the motor cooling pump according to the first detection signal, the second detection signal and the third detection signal.
Adopt above-mentioned technical scheme, through radiator and the motor cooling pump in the whole vehicle controller direct control electricity drives temperature control system to realize the cooling of motor controller and motor and handle, through the setting of this kind of mode, can make the more convenient control of electricity drive temperature control system among this embodiment, and can further reduce the manufacturing cost who drives temperature control system.
Further, another embodiment of the invention provides an electric vehicle thermal management system, wherein the electric driving temperature control system further comprises a water temperature detection component and a flow detection component; wherein the content of the first and second substances,
the water temperature detection component and the flow detection component are arranged in the electrically-driven cooling loop and used for detecting the temperature and the flow of a cooling medium in the electrically-driven cooling loop and respectively generating a fourth detection signal and a fifth detection signal, the signal output end of the water temperature detection component and the signal output end of the flow detection component are in communication connection with the whole vehicle controller, and the whole vehicle controller acquires the fourth detection signal and the fifth detection signal and controls the working state of the motor cooling pump according to the fourth signal and the fifth signal.
By adopting the technical scheme, the water temperature detection component and the flow detection component can detect the temperature and the flow of the cooling medium in the electric driving cooling loop, and can feed detected information back to the vehicle control unit, and the vehicle control unit can control the working states of the radiator and the motor cooling pump according to the fourth detection signal and the fifth detection signal detected by the water temperature detection component and the flow detection component, so that the service performance of the electric driving temperature control system in the implementation mode of the city can be better.
Further, another embodiment of the present invention provides an electric vehicle thermal management system, wherein the battery temperature control system includes a battery water pump, a second expansion pot, a water heater and a battery temperature detection component; wherein the content of the first and second substances,
the battery temperature detection part is arranged on one side of a battery pack of the automobile and used for detecting the temperature of the battery pack and generating a sixth detection signal, a water outlet of the second expansion pot is respectively connected with a water inlet of the battery water pump and a water inlet of the water heater through pipelines, and the water outlet of the battery water pump and the water outlet of the water heater are both communicated with a cooling loop of the battery pack; and the number of the first and second electrodes,
the signal output end of the battery temperature detection part is in communication connection with the signal input end of the vehicle control unit, the signal output end of the vehicle control unit is in communication connection with the battery water pump and the water heater respectively, and the vehicle control unit acquires the sixth detection signal and controls the working states of the battery water pump and the water heater according to the sixth detection signal.
By adopting the technical scheme, the battery water pump and the water heater in the battery temperature control system are directly controlled by the vehicle control unit to realize the temperature control of the battery, and the battery temperature control system in the embodiment can be more conveniently controlled and the manufacturing cost of the battery temperature control system can be further reduced by the arrangement of the mode.
Further, another embodiment of the present invention provides an electric vehicle thermal management system, wherein the battery temperature control system further includes a first heat exchanger, and the first heat exchanger is connected between the water heater and the battery water pump through a pipeline.
By adopting the technical scheme, the first heat exchanger can realize heat exchange of the cooling medium between the water heater and the battery water pump, so that the temperature of the cooling medium in the battery cooling loop can be more conveniently controlled, and further the working precision of the battery temperature control system can be ensured.
Further, another embodiment of the present invention provides an electric vehicle thermal management system, where the air conditioning system includes a condenser, a wind treatment module, a compressor, and a pressure switch; wherein the content of the first and second substances,
the air inlet of the compressor is communicated with the outside, the air outlet of the compressor is communicated with the air inlet of the condenser, the air outlet of the condenser is communicated with the inlet of the pressure switch, and the outlet of the pressure switch is communicated with the air inlet of the air processing module; and the number of the first and second electrodes,
and the signal output end of the vehicle control unit is in communication connection with the wind processing module, the compressor and the condenser respectively so as to control the working states of the wind processing module, the compressor and the condenser.
By adopting the technical scheme, the condenser, the wind processing module and the compressor in the air conditioning system are directly controlled by the vehicle control unit, and the air conditioning system in the embodiment can be more conveniently controlled and the manufacturing cost of the air conditioning system can be further reduced by the arrangement of the mode.
Further, another embodiment of the present invention provides an electric vehicle thermal management system, wherein the pressure switch is set as a three-state pressure switch, and the air conditioning system further includes a second heat exchanger; wherein the content of the first and second substances,
the tri-state pressure switch has an inlet, a first outlet and a second outlet; wherein the content of the first and second substances,
the air outlet of the condenser is communicated with the inlet of the pressure switch, the first outlet is communicated with the air inlet of the air processing module, the second outlet is communicated with the air inlet of the second heat exchanger, and the air outlet of the second heat exchanger is communicated with the air inlet of the compressor.
By adopting the technical scheme, the tri-state pressure switch is a common pressure switch for technicians in the field, and the pressure switch is set to be of the structure in the embodiment, so that the air conditioning system can be further more convenient to process and manufacture.
Further, another embodiment of the present invention provides an electric vehicle thermal management system, wherein the pressure switch is configured as a pressure sensor, and the air conditioning system further includes a second heat exchanger; wherein the content of the first and second substances,
the pressure sensor has an inlet, a first outlet, and a second outlet; wherein the content of the first and second substances,
an air outlet of the condenser is communicated with an inlet of the pressure switch, the first outlet is communicated with an air inlet of the air processing module, the second outlet is communicated with an air inlet of the second heat exchanger, and an air outlet of the second heat exchanger is communicated with an air inlet of the compressor;
the pressure sensor detects air pressure in an air inlet channel of the air conditioning system and generates a seventh detection signal, a signal output end of the pressure sensor is in communication connection with a signal input end of the vehicle control unit, and the vehicle control unit acquires the seventh detection signal and controls the working state of the compressor according to the seventh detection signal.
By adopting the technical scheme, the pressure switch is set as the pressure sensor in the embodiment, and the pressure sensor also has a pressure detection function, so that the air pressure in the air-conditioning loop can be detected in real time, and the control precision of the air-conditioning system can be higher.
Further, another embodiment of the invention provides an electric vehicle thermal management system, and the air conditioning system further comprises a PM2.5 detection module and an air purification module; wherein the content of the first and second substances,
the PM2.5 detection module is arranged in a passenger cabin of the automobile and used for detecting a PM2.5 concentration value of air in the passenger cabin of the automobile and generating a PM2.5 concentration detection signal, and the air purification module is arranged in an air inlet channel of the air conditioning system; and the number of the first and second electrodes,
the signal output end of the PM2.5 detection module is in communication connection with the signal input end of the vehicle control unit, the signal output end of the vehicle control unit is in communication connection with the signal input end of the air purification module, and the vehicle control unit acquires the PM2.5 concentration detection signal and controls the working state of the air purification module according to the PM2.5 concentration detection signal.
By adopting the technical scheme, the PM2.5 detection module and the air purification module are arranged in the air conditioning system, the PM2.5 detection module can detect the control quality in the passenger cabin of the automobile in real time, the detected PM2.5 concentration detection signal is transmitted to the vehicle control unit, the vehicle control unit can control the air purification module to purify the air in the automobile according to the detection information, and the air quality in the passenger cabin of the automobile can be ensured.
Further, another embodiment of the invention provides an electric vehicle, which comprises the electric vehicle thermal management system with the structure.
By adopting the technical scheme, the electric automobile in the embodiment adopts the electric automobile thermal management system with the structure, and the electric automobile thermal management system with the structure simultaneously controls the working states of the electric driving temperature control system, the battery temperature control system and the air conditioning system through the whole vehicle controller, and compared with the electric driving temperature control system, the battery temperature control system and the air conditioning system which are provided with independent controllers for control, the energy utilization efficiency of the electric automobile thermal management system can be improved, the manufacturing cost of the electric automobile thermal management system is reduced, and the manufacturing cost of the electric automobile can be reduced.
Additional features and corresponding advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a control schematic diagram of an electric vehicle thermal management system in embodiment 1 of the present invention;
fig. 2 is a structural diagram of an electric vehicle thermal management system in embodiment 1 of the present invention;
fig. 3 is a control schematic diagram of the PM2.5 detection module and the air purification module in the thermal management system of the electric vehicle in embodiment 1 of the present invention.
Description of reference numerals:
100: a vehicle control unit;
200: an electric drive temperature control system;
210: a motor controller; 220: a three-in-one control module; 230: a heat sink; 240: a motor cooling pump;
250: a first expansion pot;
300: a battery temperature control system;
310: a battery; 320: a battery water pump; 330: a second expansion pot; 340: a water heater; 350: a first heat exchanger;
400: an air conditioning system;
410: a condenser;
420: a compressor;
430: a pressure switch;
440: a wind processing module;
441: a blower; 442: an evaporator; 443: an air heater;
450: a second heat exchanger;
460: an electric fan;
470: a PM2.5 detection module;
480: an air purification module.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to these embodiments. On the contrary, the invention is described in connection with the embodiments for the purpose of covering alternatives or modifications that may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Moreover, some of the specific details have been left out of the description in order to avoid obscuring or obscuring the focus of the present invention. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example 1:
the embodiment of the embodiment provides an electric vehicle thermal management system, as shown in fig. 1, which comprises an electric drive temperature control system 200, a battery temperature control system 300 and an air conditioning system 400.
Specifically, in the present embodiment, the electric drive temperature control system 200, the battery temperature control system 300 and the air conditioning system 400 are all in communication connection with the vehicle controller 100 of the vehicle, and the vehicle controller 100 controls the operating states of the electric drive temperature control system 200, the battery temperature control system 300 and the air conditioning system 400.
More specifically, in the present embodiment, the vehicle control unit 100 controls the operating states of the electric drive temperature control system 200, the battery temperature control system 300, and the air conditioning system 400 simultaneously, and compared with the case where a separate controller is provided for controlling the electric drive temperature control system 200, the battery temperature control system 300, and the air conditioning system 400, the vehicle control unit 100 in the electric vehicle thermal management system in the present embodiment optimizes and arbitrates the operating states of all components related to the three systems, namely the electric drive temperature control system 200, the battery temperature control system 300, and the air conditioning system 400, so that the energy utilization of the whole thermal management system can be optimized, and thus the energy utilization efficiency of the electric vehicle thermal management system can be improved, and the manufacturing cost of the electric vehicle thermal management system can be reduced.
More specifically, in the present embodiment, specific structures of the electric driving temperature control system 200, the battery temperature control system 300, and the air conditioning system 400 are explained below, and the present embodiment will not be described in detail.
Further, another embodiment of the present invention provides an electric vehicle thermal management system, as shown in fig. 2, the electric drive temperature control system 200 includes a motor temperature detection component, a motor controller temperature detection component, a three-in-one control module temperature detection component (not shown), a heat sink 230, a motor cooling pump 240, a first expansion tank 250, and an electric drive cooling loop.
Specifically, in the present embodiment, the motor temperature detecting means is provided on one side of the motor of the automobile, and is configured to detect the temperature around the motor and generate the first detection signal; the motor controller temperature detection part is arranged on one side of a motor controller 210 of the automobile and is used for detecting the temperature around the motor controller 210 and generating a second detection signal; the trinity control module temperature detects the part and sets up in one side of the trinity control module 220 of car for detect the temperature around the trinity control module 220, and generate the third detected signal.
More specifically, in this embodiment, the signal output terminals of the motor temperature detecting component, the motor controller temperature detecting component and the three-in-one control module temperature detecting component are all in communication connection with the signal input terminal of the vehicle control unit 100, the heat sink 230 is disposed at one side of the motor controller 210 and the three-in-one control module 220, the water inlet of the motor cooling pump 240 is in pipeline connection with the first expansion pot 250, and the water outlet of the motor cooling pump 240 is in pipeline connection with the electrically-driven cooling loop; the motor cooling loop is arranged around the motor and used for cooling the motor.
More specifically, in the present embodiment, the signal output end of the vehicle controller 100 is in communication connection with the radiator 230 and the motor cooling pump 240, respectively, and the vehicle controller 100 acquires the first detection signal, the second detection signal, and the third detection signal, and controls the working states of the radiator 230 and the motor cooling pump 240 according to the first detection signal, the second detection signal, and the third detection signal, respectively.
More specifically, in the present embodiment, the radiator 230 and the motor cooling pump 240 in the electric drive temperature control system 200 are directly controlled by the vehicle controller 100 to implement the cooling process of the motor controller 210 and the motor, and by this configuration, the electric drive temperature control system 200 in the present embodiment can be more conveniently controlled, and the manufacturing cost of the electric drive temperature control system 200 can be further reduced.
More specifically, in the present embodiment, the electric drive temperature control system 200 including the motor temperature detection component, the motor controller temperature detection component, and the three-in-one control module temperature detection component may be configured as a sensor, and the structure and type of the heat sink 230, the motor cooling pump 240, the first expansion pot 250, and the electric drive cooling circuit are similar to the structure and type of the heat sink 230, the motor cooling pump 240, and the first expansion pot 250 in the existing electric drive temperature control system 200, which is not described in detail in the present embodiment.
Further, in another embodiment of the present invention, an electric vehicle thermal management system is provided, and the electric driving temperature control system 200 further includes a water temperature detecting component and a flow rate detecting component (not shown in the figure).
Specifically, in the present embodiment, the water temperature detecting component and the flow rate detecting component are both disposed in the electrically-driven cooling circuit, and are configured to detect the temperature and the flow rate of the cooling medium in the electrically-driven cooling circuit, and respectively generate a fourth detection signal and a fifth detection signal, and a signal output end of the water temperature detecting component and a signal output end of the flow rate detecting component are both in communication connection with the vehicle control unit, and the vehicle control unit 100 acquires the fourth detection signal and the fifth detection signal, and controls the operating state of the motor cooling pump 240 according to the fourth signal and the fifth signal.
More specifically, in this embodiment, the water temperature detection component and the flow rate detection component can detect the temperature and the flow rate of the cooling medium in the electric drive cooling circuit, and can feed back the detected information to the vehicle control unit 100, and the vehicle control unit 100 can control the operating states of the radiator 230 and the motor cooling pump 240 according to the fourth detection signal and the fifth detection signal detected by the water temperature detection component and the flow rate detection component, so that the service performance of the electric drive temperature control system 200 in this embodiment in the market can be better.
More specifically, in the present embodiment, the water temperature detecting component and the flow rate detecting component may be temperature sensors and flow rate sensors commonly found by those skilled in the art, and specific models thereof may be set according to actual design and use requirements, which is not set in the present embodiment.
Further, another embodiment of the present invention provides an electric vehicle thermal management system, as shown in fig. 2, the battery temperature control system 300 includes a battery water pump 320, a second expansion pot 330, a water heater 340, and a battery 310 temperature detection component.
Specifically, in this embodiment, the battery 310 temperature detecting component is disposed on one side of the battery 310 package of the automobile, and is configured to detect the temperature of the battery 310 package and generate a sixth detection signal, the water outlet of the second expansion pot 330 is respectively connected to the water inlet of the battery water pump 320 and the water inlet of the water heater 340 through pipelines, and the water outlet of the battery water pump 320 and the water outlet of the water heater 340 are both communicated with the cooling loop of the battery 310 package.
More specifically, in this embodiment, the signal output end of the temperature detection component of the battery 310 is in communication connection with the signal input end of the vehicle controller 100, the signal output end of the vehicle controller 100 is in communication connection with the battery water pump 320 and the water heater 340, respectively, and the vehicle controller 100 acquires the sixth detection signal and controls the operating states of the battery water pump 320 and the water heater 340 according to the sixth detection signal.
More specifically, in the present embodiment, the vehicle controller 100 directly controls the battery water pump 320 and the water heater 340 in the battery temperature control system 300 to control the temperature of the battery 310, so that the battery temperature control system 300 in the present embodiment can be more conveniently controlled, and the manufacturing cost of the battery temperature control system 300 can be further reduced.
More specifically, in the present embodiment, the specific structures and types of the battery water pump 320, the second expansion pot 330 and the water heater 340 are similar to those of the battery water pump 320, the second expansion pot 330 and the water heater 340 in the existing battery 310 temperature management system, and this embodiment will not be explained in detail; the temperature detecting component of the battery 310 may be a temperature sensor commonly known to those skilled in the art, and may be specifically set according to practical design requirements, which is not limited in the present embodiment.
Further, in another embodiment of the present invention, a thermal management system for an electric vehicle is provided, and the battery temperature control system 300 further includes a first heat exchanger 350, and the first heat exchanger 350 is connected between the water heater 340 and the battery water pump 320 through a pipeline.
Specifically, in this embodiment, the first heat exchanger 350 can exchange heat of the cooling medium between the water heater 340 and the battery water pump 320, so that the temperature of the cooling medium in the cooling circuit of the battery 310 can be controlled more conveniently, and the working accuracy of the battery temperature control system 300 can be ensured.
More specifically, in the present embodiment, the first heat exchanger 350 may be any type of heat exchanger, such as GB151-1999, GB151-2001, etc., which are commonly known to those skilled in the art, and may be specifically set according to actual design and usage requirements, which is not limited in the present embodiment.
Further, another embodiment of the present invention provides an electric vehicle thermal management system, and the air conditioning system 400 includes a condenser 410, a wind treatment module 440, a compressor 420, and a pressure switch 430.
Specifically, in this embodiment, the air inlet of the compressor 420 is communicated with the outside, the air outlet of the compressor 420 is communicated with the air inlet of the condenser 410, the air outlet of the condenser 410 is communicated with the inlet of the pressure switch 430, and the outlet of the pressure switch 430 is communicated with the air inlet of the air processing module 440.
More specifically, in the present embodiment, the signal output terminal of the vehicle control unit 100 is communicatively connected to the wind processing module 440, the compressor 420 and the condenser 410, respectively, so as to control the operating states of the wind processing module 440, the compressor 420 and the condenser 410.
More specifically, in the present embodiment, the condenser 410, the wind processing module 440, and the compressor 420 in the air conditioning system 400 are directly controlled by the vehicle control unit 100, and by such arrangement, the air conditioning system 400 in the present embodiment can be more conveniently controlled, and the manufacturing cost of the air conditioning system 400 can be further reduced.
More specifically, in the present embodiment, the air conditioning system 400 further includes an electric fan 460, the electric fan 460 is disposed at one side of the condenser 410 and is in communication connection with the vehicle controller 100, it should be noted that the electric fan 460 may be one of various electric fans commonly found by those skilled in the art, and the electric fan may be specifically set according to actual design and use requirements, which is not limited in the present embodiment.
More specifically, in the present embodiment, the wind processing module 440 includes an evaporator 442, a blower 441, and a wind heater 443, which are disposed in a manner similar to that of the evaporator, the blower, and the wind heater in the conventional air conditioning system 400, and this embodiment will not be explained in detail.
Further, another embodiment of the present invention provides an electric vehicle thermal management system, the pressure switch 430 is set as a three-state pressure switch 430, and the air conditioning system 400 further includes a second heat exchanger 450.
Specifically, in this embodiment, the tri-state pressure switch 430 has an inlet, a first outlet, and a second outlet.
More specifically, in the present embodiment, the air outlet of the condenser 410 is communicated with the inlet of the pressure switch 430, the first outlet is communicated with the air inlet of the air processing module 440, the second outlet is communicated with the air inlet of the second heat exchanger 450, and the air outlet of the second heat exchanger 450 is communicated with the air inlet of the compressor 420.
More specifically, in the present embodiment, since the tri-state pressure switch 430 is a pressure switch 430 commonly known to those skilled in the art, the pressure switch 430 is configured in this embodiment, which further facilitates the manufacturing of the air conditioning system 400.
More specifically, in the present embodiment, the tri-state pressure switch 430 may be any one of various types of tri-state pressure switches 430, such as an UNF tri-state pressure switch 430, an HP tri-state pressure switch 430, an LP tri-state pressure switch 430, which are commonly known to those skilled in the art, and may be specifically set according to actual design and use requirements, which is not limited in the present embodiment.
Further, another embodiment of the present invention provides an electric vehicle thermal management system, wherein the pressure switch 430 is configured as a pressure sensor, and the air conditioning system 400 further includes a second heat exchanger 450.
Specifically, in this embodiment, the pressure sensor has an inlet, a first outlet, and a second outlet.
More specifically, in the present embodiment, the air outlet of the condenser 410 is communicated with the inlet of the pressure switch 430, the first outlet is communicated with the air inlet of the air processing module 440, the second outlet is communicated with the air inlet of the second heat exchanger 450, and the air outlet of the second heat exchanger 450 is communicated with the air inlet of the compressor 420.
More specifically, in the present embodiment, the pressure sensor detects air pressure in the air intake duct of the air conditioning system 400 and generates a seventh detection signal, and a signal output end of the pressure sensor is in communication connection with a signal input end of the vehicle controller 100, and the vehicle controller 100 acquires the seventh detection signal and controls the operating state of the compressor 420 according to the seventh detection signal.
More specifically, in the present embodiment, the pressure switch 430 is configured as a pressure sensor, and the pressure sensor further has a pressure detection function, so that the air pressure in the air conditioning loop can be detected in real time, and the control accuracy of the air conditioning system 400 can be further improved.
More specifically, in the present embodiment, the pressure sensor may be any one of various pressure sensors, such as a PT460E-5M pressure sensor, a RL-P-Y pressure sensor, etc., which are commonly known to those skilled in the art, and the pressure sensor may be specifically set according to actual design and use requirements, which is not limited in the present embodiment.
Further, another embodiment of the present invention provides an electric vehicle thermal management system, as shown in fig. 3, the air conditioning system 400 further includes a PM2.5 detection module 470 and an air purification module 480.
Specifically, in this embodiment, the PM2.5 detection module 470 is disposed in a cabin of the automobile, and is configured to detect a PM2.5 concentration value of air in the cabin of the automobile and generate a PM2.5 concentration detection signal, and the air purification module 480 is disposed in an air intake channel of the air conditioning system 400.
More specifically, in this embodiment, the signal output end of the PM2.5 detection module 470 is in communication connection with the signal input end of the vehicle controller 100, the signal output end of the vehicle controller 100 is in communication connection with the signal input end of the air purification module 480, and the vehicle controller 100 acquires the PM2.5 concentration detection signal and controls the operating state of the air purification module 480 according to the PM2.5 concentration detection signal.
More specifically, in the embodiment, the PM2.5 detection module 470 and the air purification module 480 are arranged in the air conditioning system 400, the PM2.5 detection module 470 can detect the control quality in the passenger compartment of the automobile in real time, and transmit the detected PM2.5 concentration detection signal to the vehicle controller 100, and the vehicle controller 100 can control the air purification module 480 to purify the air in the automobile according to the detection information, so as to ensure the air quality in the passenger compartment of the automobile.
More specifically, in the present embodiment, the PM2.5 detection module 470 may be any one of various PM2.5 detection modules 470, such as a BGPM-02L laser PM2.5 detector, a bevalley BGPM-02LPM2.5 detector, and the like, which are commonly known to those skilled in the art. The specific configuration may be set according to actual design and usage requirements, and this embodiment is not limited to this.
The air purifying module 480 includes an ion generator, a high efficiency air conditioner filter and a fragrance generator (not shown in the figure), which are connected and communicated through the high efficiency air conditioner filter. The 3 persons are all in communication connection with the vehicle control unit 100, and a user can be in communication connection with the T-BOX of the vehicle through a mobile phone to obtain the air quality on the vehicle in real time, and can control the working states of the ion generator, the high-efficiency air-conditioning filter screen and the fragrance generator through the mobile phone.
In addition, the specific structures and types of the ionizer, the high efficiency air conditioner filter screen, and the fragrance generator are similar to those of the ionizer, the high efficiency air conditioner filter screen, and the fragrance generator in the conventional air cleaning module 480, and this embodiment will not be explained in detail.
The embodiment provides an electric vehicle thermal management system which comprises an electric driving temperature control system 200, a battery temperature control system 300 and an air conditioning system 400. The electric drive temperature control system 200, the battery temperature control system 300 and the air conditioning system 400 are all in communication connection with the vehicle control unit 100 of the vehicle, and the vehicle control unit 100 controls the working states of the electric drive temperature control system 200, the battery temperature control system 300 and the air conditioning system 400. The vehicle control unit 100 simultaneously controls the working states of the electric driving temperature control system 200, the battery temperature control system 300 and the air conditioning system 400, and compared with the electric driving temperature control system 200, the battery temperature control system 300 and the air conditioning system 400 which are controlled by arranging a single controller, the energy utilization efficiency of the electric vehicle thermal management system can be improved, and the manufacturing cost of the electric vehicle thermal management system can be reduced.
Example 2:
the present embodiment provides an electric vehicle including the electric vehicle thermal management system of embodiment 1.
Specifically, the electric vehicle in this embodiment adopts the electric vehicle thermal management system with the above structure, please refer to fig. 1 to 3 in embodiment 1, and because the electric vehicle thermal management system in embodiment 1 simultaneously controls the operating states of the electric drive temperature control system 200, the battery temperature control system 300 and the air conditioning system 400 through the vehicle control unit 100, compared with the case where the electric drive temperature control system 200, the battery temperature control system 300 and the air conditioning system 400 are controlled by providing separate controllers, the energy utilization efficiency of the electric vehicle thermal management system can be improved, the manufacturing cost of the electric vehicle thermal management system can be reduced, and further the manufacturing cost of the electric vehicle can be reduced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. The thermal management system of the electric automobile comprises an electric driving temperature control system, a battery temperature control system and an air conditioning system; it is characterized in that the preparation method is characterized in that,
the electric driving temperature control system, the battery temperature control system and the air conditioning system are in communication connection with a vehicle control unit of the automobile, and the vehicle control unit controls the electric driving temperature control system, the battery temperature control system and the air conditioning system to work.
2. The thermal management system of an electric vehicle of claim 1, wherein said electric drive temperature control system comprises a motor temperature sensing component, a motor controller temperature sensing component, a three-in-one control module temperature sensing component, a heat sink, a motor cooling pump, a first expansion tank, and an electric drive cooling loop; wherein the content of the first and second substances,
the motor temperature detection component is arranged on one side of a motor of the automobile and used for detecting the temperature around the motor and generating a first detection signal; the motor controller temperature detection part is arranged on one side of a motor controller of the automobile and used for detecting the temperature around the motor controller and generating a second detection signal; the three-in-one control module temperature detection part is arranged on one side of the three-in-one control module of the automobile and used for detecting the temperature around the three-in-one control module and generating a third detection signal; and the number of the first and second electrodes,
the signal output ends of the motor temperature detection part, the motor controller temperature detection part and the three-in-one control module temperature detection part are all in communication connection with the signal input end of the vehicle controller, the radiator is arranged on one side of the motor controller and one side of the three-in-one control module, the water inlet of the motor cooling pump is connected with the first expansion kettle through a pipeline, and the water outlet of the motor cooling pump is connected with the electric drive cooling loop through a pipeline; the motor cooling loop is arranged around the motor and used for cooling the motor;
and the signal output end of the vehicle control unit is respectively in communication connection with the radiator and the motor cooling pump, and the vehicle control unit acquires the first detection signal, the second detection signal and the third detection signal and respectively controls the working states of the radiator and the motor cooling pump according to the first detection signal, the second detection signal and the third detection signal.
3. The electric vehicle thermal management system of claim 2, wherein the electric drive temperature control system further comprises a water temperature sensing component and a flow sensing component; wherein the content of the first and second substances,
the water temperature detection component and the flow detection component are arranged in the electrically-driven cooling loop and used for detecting the temperature and the flow of a cooling medium in the electrically-driven cooling loop and respectively generating a fourth detection signal and a fifth detection signal, the signal output end of the water temperature detection component and the signal output end of the flow detection component are in communication connection with the whole vehicle controller, and the whole vehicle controller acquires the fourth detection signal and the fifth detection signal and controls the working state of the motor cooling pump according to the fourth signal and the fifth signal.
4. The thermal management system of an electric vehicle of claim 1, wherein the battery temperature control system comprises a battery water pump, a second expansion pot, a water heater, and a battery temperature detection component; wherein the content of the first and second substances,
the battery temperature detection part is arranged on one side of a battery pack of the automobile and used for detecting the temperature of the battery pack and generating a sixth detection signal, a water outlet of the second expansion pot is respectively connected with a water inlet of the battery water pump and a water inlet of the water heater through pipelines, and the water outlet of the battery water pump and the water outlet of the water heater are both communicated with a cooling loop of the battery pack; and the number of the first and second electrodes,
the signal output end of the battery temperature detection part is in communication connection with the signal input end of the vehicle control unit, the signal output end of the vehicle control unit is in communication connection with the battery water pump and the water heater respectively, and the vehicle control unit acquires the sixth detection signal and controls the working states of the battery water pump and the water heater according to the sixth detection signal.
5. The electric vehicle thermal management system of claim 4, wherein the battery temperature control system further comprises a first heat exchanger, the first heat exchanger being piped between the water heater and the battery water pump.
6. The electric vehicle thermal management system of claim 1, wherein the air conditioning system comprises a condenser, a wind treatment module, a compressor, and a pressure switch; wherein the content of the first and second substances,
the air inlet of the compressor is communicated with the outside, the air outlet of the compressor is communicated with the air inlet of the condenser, the air outlet of the condenser is communicated with the inlet of the pressure switch, and the outlet of the pressure switch is communicated with the air inlet of the air processing module; and the number of the first and second electrodes,
and the signal output end of the vehicle control unit is in communication connection with the wind processing module, the compressor and the condenser respectively so as to control the working states of the wind processing module, the compressor and the condenser.
7. The electric vehicle thermal management system of claim 6, wherein the pressure switch is configured as a three-state pressure switch, the air conditioning system further comprising a second heat exchanger; wherein the content of the first and second substances,
the tri-state pressure switch has an inlet, a first outlet and a second outlet; wherein the content of the first and second substances,
the air outlet of the condenser is communicated with the inlet of the pressure switch, the first outlet is communicated with the air inlet of the air processing module, the second outlet is communicated with the air inlet of the second heat exchanger, and the air outlet of the second heat exchanger is communicated with the air inlet of the compressor.
8. The thermal management system of an electric vehicle of claim 6, wherein the pressure switch is configured as a pressure sensor, the air conditioning system further comprising a second heat exchanger; wherein the content of the first and second substances,
the pressure sensor has an inlet, a first outlet, and a second outlet; wherein the content of the first and second substances,
an air outlet of the condenser is communicated with an inlet of the pressure switch, the first outlet is communicated with an air inlet of the air processing module, the second outlet is communicated with an air inlet of the second heat exchanger, and an air outlet of the second heat exchanger is communicated with an air inlet of the compressor;
the pressure sensor detects air pressure in an air inlet channel of the air conditioning system and generates a seventh detection signal, a signal output end of the pressure sensor is in communication connection with a signal input end of the vehicle control unit, and the vehicle control unit acquires the seventh detection signal and controls the working state of the compressor according to the seventh detection signal.
9. The thermal management system of the electric vehicle of any of claims 1-8, wherein the air conditioning system further comprises a PM2.5 detection module and an air purification module; wherein the content of the first and second substances,
the PM2.5 detection module is arranged in a passenger cabin of the automobile and used for detecting a PM2.5 concentration value of air in the passenger cabin of the automobile and generating a PM2.5 concentration detection signal, and the air purification module is arranged in an air inlet channel of the air conditioning system; and the number of the first and second electrodes,
the signal output end of the PM2.5 detection module is in communication connection with the signal input end of the vehicle control unit, the signal output end of the vehicle control unit is in communication connection with the signal input end of the air purification module, and the vehicle control unit acquires the PM2.5 concentration detection signal and controls the working state of the air purification module according to the PM2.5 concentration detection signal.
10. An electric vehicle comprising the electric vehicle thermal management system of any of claims 1-9.
CN202010485124.9A 2020-06-01 2020-06-01 Electric automobile thermal management system and electric automobile Pending CN111645511A (en)

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CN107097664A (en) * 2017-04-25 2017-08-29 上海思致汽车工程技术有限公司 A kind of intelligent multiloop thermal management system of electric automobile
CN108482067A (en) * 2018-05-21 2018-09-04 上海思致汽车工程技术有限公司 A kind of energy-saving multiloop thermal management system of electric automobile
JP2018525955A (en) * 2015-05-26 2018-09-06 ヴァレオ システム テルミク Thermal management system for electric vehicles

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160344074A1 (en) * 2015-05-18 2016-11-24 Toyota Motor Engineering & Manufacturing North America, Inc. Cooling Loops and Vehicles Incorporating The Same
JP2018525955A (en) * 2015-05-26 2018-09-06 ヴァレオ システム テルミク Thermal management system for electric vehicles
CN105480050A (en) * 2015-12-31 2016-04-13 北京长城华冠汽车科技股份有限公司 Vehicle control unit of electric vehicle, heat management method and electric vehicle
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Application publication date: 20200911