CN218228643U - Hybrid electric vehicle thermal management system - Google Patents
Hybrid electric vehicle thermal management system Download PDFInfo
- Publication number
- CN218228643U CN218228643U CN202221849450.4U CN202221849450U CN218228643U CN 218228643 U CN218228643 U CN 218228643U CN 202221849450 U CN202221849450 U CN 202221849450U CN 218228643 U CN218228643 U CN 218228643U
- Authority
- CN
- China
- Prior art keywords
- flow path
- cooling flow
- thermal management
- cooling
- water side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
A hybrid electric vehicle thermal management system comprises an engine thermal management module, a power battery thermal management module and an air conditioner cooling module; the engine thermal management module comprises an engine body, a first radiator, a first cooling flow path and a second cooling flow path; the power battery thermal management module comprises a power battery pack, a first heat exchanger and a third cooling flow path, wherein the first heat exchanger is provided with a first hot water side and a first cold water side; the air-conditioning cooling module comprises an electronic fan, an air-conditioning condenser, a second heat exchanger and a fourth cooling flow path, wherein the second heat exchanger is provided with a second hot water side and a second cold water side; the electronic fan is provided with a cooling air channel, and the air conditioner condenser and the first radiator are both positioned in the cooling air channel; the heat management system is simple in design and can greatly save energy consumption, so that the cruising ability of the hybrid electric vehicle is improved.
Description
Technical Field
The application relates to the technical field of new energy vehicles, in particular to a hybrid electric vehicle thermal management system.
Background
A plug-in hybrid electric vehicle (PHEV) belongs to a new energy automobile, and can select various driving modes such as a pure electric mode, a hybrid power mode and the like. When the electric energy of the power battery is sufficient, a pure electric driving mode is used, the engine does not work, and the driving motor drives the wheels to move. When the electric energy of the power battery is insufficient, the engine drives the generator to generate electricity to charge the battery. During high-speed driving, the power battery and the engine are jointly driven to provide the power of surge. When the charging condition is met, the power battery can be charged by connecting the power gun with the power grid. Therefore, the heat management of the plug-in hybrid system is more important, the heating element is controlled to work at a proper temperature, the utilization rate of energy can be improved, and the endurance mileage is increased. And the consumption of fuel can be reduced by using pure electric driving more, and the driving cost is reduced. Therefore, the plug-in hybrid electric vehicle has no mileage anxiety of pure electric driving, has lower oil consumption than a fuel vehicle, and is a development trend of new energy vehicles.
As the power system of the hybrid electric vehicle is increased compared with the traditional fuel vehicle, the power battery pack, the driving motor and other accessories need to be separately designed to ensure the normal operation, and the complexity of the thermal management system is increased. Meanwhile, the complex thermal management system causes the energy consumption of a water pump, a compressor, a fan and the like in the system to be increased, and the increase of the energy consumption of the components can reduce the practical endurance of the power battery.
SUMMERY OF THE UTILITY MODEL
The application aims at providing a hybrid electric vehicle thermal management system which is simple in design and capable of greatly saving energy consumption, so that the cruising ability of a hybrid electric vehicle is improved.
In order to achieve the purpose of the application, the application provides the following technical scheme:
a hybrid electric vehicle thermal management system comprises an engine thermal management module, a power battery thermal management module and an air conditioner cooling module; the engine thermal management module comprises an engine body, a first radiator, a first cooling flow path and a second cooling flow path; the power battery thermal management module comprises a power battery pack, a first heat exchanger and a third cooling flow path, wherein the first heat exchanger is provided with a first hot water side and a first cold water side; the air conditioner cooling module comprises an electronic fan, an air conditioner condenser, a second heat exchanger and a fourth cooling flow path, wherein the second heat exchanger is provided with a second hot water side and a second cold water side; wherein the first cooling flow path passes through the engine body and the first hot water side in this order; the second cooling flow path sequentially passes through the engine body and the first radiator; the third cooling flow path sequentially passes through the power battery pack, the first cold water side and the second hot water side; the fourth cooling flow path sequentially passes through the second cold water side and the air conditioner condenser; the electronic fan is provided with a cooling air duct, and the air conditioner condenser and the first radiator are both arranged in the cooling air duct.
In one embodiment, the engine thermal management module further comprises a main flow path and a first water pump, the main flow path is divided into the first cooling flow path and the second cooling flow path after passing through the engine body, and the first water pump is provided with a first inlet and a second inlet; the first cooling flow path flows into the first inlet after passing through the first hot water side, the second cooling flow path flows into the second inlet after passing through the first radiator, and the first cooling flow path and the second cooling flow path merge into the main flow path after passing through the first water pump.
In one embodiment, the engine thermal management module further includes a warm air core for supplying heat to a passenger compartment, and a first branch is provided on a first cooling flow path between the engine body and the first hot water side, and the first branch is connected to the first cooling flow path between the first hot water side and the first water pump after passing through the warm air core.
In one embodiment, the engine thermal management module further comprises a blower for blowing hot air in the vicinity of the warm air core toward the passenger compartment, the blower having a blower duct, the warm air core being within the blower duct.
In one embodiment, the engine thermal management module further includes a first heater and a second water pump, a second branch is provided between a first cooling flow path of the engine body and the first branch, the first heater is provided on the engine body and the first cooling flow path on the first hot water side, and the second branch passes through the second water pump and then is connected to the first cooling flow path between the engine body and the first heater.
In one embodiment, the engine thermal management module further comprises a thermostat and a first water bottle, the thermostat is arranged on a second cooling flow path between the engine body and the first radiator, and the first water bottle is arranged on a second cooling flow path between the first radiator and the first water pump.
In one embodiment, the power battery thermal management module further includes a third water pump and a second heater, the third water pump is disposed on a third cooling flow path between the first cold water side and the second hot water side, and the second heater is disposed on a third cooling flow path between the second hot water side and the power battery pack.
In one embodiment, the air conditioner cooling module further comprises an electronic expansion valve and an air compressor, the electronic expansion valve is arranged between the air conditioner condenser and the second cold water side on the fourth cooling flow path, the air compressor is arranged between the second cold water side and the air conditioner condenser on the fourth cooling flow path, wherein the fourth cooling flow path sequentially passes through the second cold water side the air compressor, the air conditioner condenser and the electronic expansion valve.
In one embodiment, the air-conditioning cooling module further includes an evaporator for supplying cold to the passenger compartment, a third branch is provided on the first cooling flow path between the air-conditioning condenser and the second cold water side, and the third branch passes through the evaporator and is connected to a fourth cooling flow path between the air compressor and the first cold water side.
In one embodiment, the thermal management system of the hybrid electric vehicle further comprises an electric motor control cooling module, wherein the electric motor control cooling module comprises a power converter, a driving motor, a generator, a second radiator and a fifth cooling flow path, and the fifth cooling flow path sequentially passes through the power converter, the driving motor, the generator and the second radiator.
The heat management system is simple in design, energy consumption can be greatly saved, and the cruising ability of the hybrid vehicle is improved; the power battery pack is heated by using the waste heat generated by the engine, so that the energy consumption of independently heating the power battery pack in winter can be reduced; and the electronic fan and the air conditioner condenser in the air conditioner cooling module can simultaneously cool the engine and the power battery pack, so that the energy consumption of independently cooling the power battery pack and the engine in summer can be saved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of a hybrid vehicle thermal management system according to one embodiment;
FIG. 2 is a partial schematic view of a hybrid vehicle thermal management system according to one embodiment;
FIG. 3 is a schematic view of a first cooling flow path and a third cooling flow path of an embodiment;
FIG. 4 is a schematic diagram of a first leg and a second leg of an embodiment;
FIG. 5 is a schematic view of a third cooling flow path of an embodiment.
Description of reference numerals:
1-an engine block, 2-a thermostat, 3-a first radiator, 4-a first sensor, 5-a first kettle, 6-a first water pump, 7-a three-way valve two, 8-a second water pump, 9-a one-way valve, 10-a first heater, 11-a three-way valve one, 12-a heater core, 13-a first heat exchanger, 14-a blower, 15-a power battery pack, 16-a second kettle, 17-a third water pump, 18-a second heat exchanger, 19-a second sensor, 20-a second heater, 21-a third sensor, 22-an air compressor, 23-an air conditioner condenser, 24-a pressure sensor, 25-a three-way valve three, 26-an evaporator, 27-a fifth sensor, 28-an electronic valve, 29-a driving motor, 30-a generator, 31-a third kettle, 32-a fourth expansion valve, 33-a second radiator, 34-a fourth water pump, 35-a generator controller, 36-a driving motor controller, 37-a power converter, 38-an electronic fan;
a-a first cooling flow path, A1-a first branch, A2-a second branch, B-a second cooling flow path, C-a third cooling flow path, D-a fourth cooling flow path, D1-a third branch, E-a fifth cooling flow path.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
A hybrid electric vehicle thermal management system is a new energy vehicle between a fuel vehicle and a pure electric vehicle, and comprises an engine, a transmission, an oil way, an oil tank and the like of the fuel vehicle, and also comprises a battery, a motor and an electric controller of the pure electric vehicle, the battery capacity is large, the hybrid electric vehicle is provided with an external charging port and an external oil filling port, can be connected with a power grid for charging, and can be externally connected with a gas filling station for filling oil. The hybrid electric vehicle thermal management system of the embodiment can comprise a plurality of modules, each module can realize different functions and comprises an engine thermal management module for performing thermal management on an engine; the power battery heat management module is used for carrying out heat management on the power battery pack; the air conditioner cooling module is used for refrigerating and cooling other modules and the passenger cabin; and the motor electric control cooling module is used for carrying out heat management on the generator.
Fig. 1 is a schematic diagram of a hybrid vehicle thermal management system according to an embodiment, where an engine thermal management module includes an engine body 1, a first radiator 3, a first cooling flow path a, and a second cooling flow path B; the power battery thermal management module comprises a power battery pack 15, a first heat exchanger 13 and a third cooling flow path C, wherein the first heat exchanger 13 is provided with a first hot water side and a first cold water side; the air conditioning cooling module comprises an electronic fan 38, an air conditioning condenser 23, a second heat exchanger 18 and a fourth cooling flow path D, the second heat exchanger 18 having a second hot water side and a second cold water side; wherein the first cooling flow path a passes through the engine body 1 and the first hot water side in this order; the second cooling flow path B passes through the engine body 1 and the first radiator 3 in this order; the third cooling flow path C sequentially passes through the power battery pack 15, the first cold water side and the second hot water side; the fourth cooling flow path D passes through the second cold water side and the air-conditioning condenser 23 in sequence; the electronic fan 38 has a cooling air passage in which the air conditioner condenser 23 and the first radiator 3 are both located.
Specifically, the first cooling flow path a to the fourth cooling flow path D may use a cooling liquid as a medium for circulating cooling or heating, and the cooling liquid may include water cooling and oil cooling, and compared with air cooling, higher cooling efficiency can be obtained by using a liquid cooling method; preferably, the cooling fluid may be cooling water, which is less costly than an oil-based cooling fluid, and is beneficial for reducing the cost of the thermal management system. When the engine body 1 is operated, a large amount of heat is generated, which may cause a rapid temperature rise in the engine body 1, and when the temperature of the day is low or below zero, the engine body 1 may lead the generated heat to other modules through the first cooling flow path a. The first and second heat exchangers 13 and 18 may be plate exchangers, and a hot water side of the plate exchangers may be provided on the first cooling flow path a and a cold water side may be provided on the third cooling flow path C. The minimum working temperature of the power battery pack 15 is 15 ℃, and when the temperature of the power battery pack 15 is lower than 15 ℃, the power battery pack can stop working. The first heat exchanger 13 can transfer heat generated by the engine body 1 to the first cold water side, so that the battery pack is preheated, and the effect of quickly heating the power battery pack 15 can be achieved. The cooling liquid on the fourth cooling flow path D can be used for heat exchange with the cooling liquid on the third cooling flow path C, so as to cool the power battery pack 15, when the working temperature of the power battery pack 15 is too high, the electronic fan 38 can start working, the electronic fan 38 can cool the cooling liquid flowing to the air conditioner condenser 23, and then the second heat exchanger 18 performs heat exchange on the third cooling flow path C.
The heat management system is simple in design, energy consumption can be greatly saved, and the cruising ability of the hybrid vehicle is improved; the energy consumption of independently heating the power battery pack 15 in winter can be saved by heating the power battery pack 15 by using the waste heat generated by the engine body 1; and the electronic fan 38 and the air-conditioning condenser 23 in the air-conditioning cooling module can simultaneously cool the engine body 1 and the power battery pack 15, so that the energy consumption of independently cooling the power battery pack 15 and the engine body 1 in summer can be saved.
In one embodiment, referring to fig. 1, the engine thermal management module further includes a main flow path and a first water pump 6, the main flow path is divided into a first cooling flow path a and a second cooling flow path B after passing through the engine body, and the first water pump 6 has a first inlet and a second inlet; the first cooling flow path a flows into the first inlet after passing through the first hot water side, the second cooling flow path B flows into the second inlet after passing through the first radiator 3, and the first cooling flow path a and the second cooling flow path B flow together into the main flow path after passing through the first water pump 6.
Specifically, when the outdoor temperature is low, after the engine body 1 is operated, the first water pump 6 may pump the coolant on the first cooling flow path a into the engine body 1, and may heat the coolant by the engine body 1 and flow out onto the first heat exchanger 13, thereby heating the power battery pack 15. When the outdoor temperature is high, after the engine body 1 is operated, the high-temperature water in the engine body 1 can be pumped into the first radiator 3 by the first water pump 6, and the heat radiation effect of the first radiator 3 is accelerated by starting the electronic fan 38.
In one embodiment, referring to fig. 3 and 4, the engine thermal management module further includes a warm air core 12 for supplying heat to the passenger compartment, a first branch A1 is disposed on a first cooling flow path a between the engine body 1 and the first hot water side, and the first branch A1 passes through the warm air core 12 and is connected to the first cooling flow path a between the first hot water side and the first water pump 6.
In one embodiment, referring to fig. 3 and 4, the engine thermal management module further includes a blower 14 for blowing hot air near the warm air core 12 toward the passenger compartment, the blower having a blowing duct, the warm air core being located within the blowing duct. When the temperature in the automobile needs to be increased by using hot air of the automobile, high-temperature cooling liquid flowing out of the engine body 1 can enter the warm air core body 12 through the first branch A1, the temperature of air around the warm air core body is increased, and the high-temperature air is blown into the cockpit by the blower 14, so that the temperature in the automobile is increased.
In one embodiment, referring to fig. 3, the engine thermal management module further includes a first heater 10 and a second water pump 8, a second branch A2 is disposed between the first cooling flow path a and the first branch A1 of the engine body 1, the first heater 10 is disposed on the engine body 1 and the first cooling flow path a on the first hot water side, and the second branch A2 is connected to the first cooling flow path a between the engine body 1 and the first heater 10 after passing through the second water pump 8.
Specifically, when the engine body 1 is not operated or the pure electric mode is used, the engine body 1 stops supplying heat to the outside, and the coolant on the first cooling flow path a may be heated by the first heater 10. At this time, the second water pump 8 may be started, and the second water pump 8 may be connected before the first heater 10 to pump the coolant on the first cooling flow path a to the first heater 10. After the temperature of the coolant is raised, the high-temperature coolant can flow into the warm air core 12 through the first branch A1, and the blower 14 operates to blow hot air near the warm air core 12 into the passenger compartment. The coolant flowing out of the warm air core 12 can continue to flow into the first heater 10 via the second water pump 8 for heating, and a heating cycle is completed.
In one embodiment, referring to fig. 3, the engine thermal management module further includes a first three-way valve 11 and a second three-way valve 7, the first three-way valve 11 is disposed at a junction between an inlet of the first branch A1 and the first cooling flow path a, and the second three-way valve 7 is disposed at a junction between an inlet of the second branch A2 and the first cooling flow path a.
Specifically, in the case where the engine body 1 is operated, the three-way valve one 11 may control the high-temperature coolant flowing out from the engine body 1 to flow into the heater core 12 on the second branch A2 or into the first heat exchanger 13 on the first cooling flow path a. Of course, in the pure electric mode, the three-way valve one 11 can also control the high-temperature coolant flowing out of the first heater 10 to flow into the warm air core 12 on the second branch A2. The second three-way valve can control the coolant flowing out of the first heat exchanger 13 or the warm air core 12 to flow back to the first water pump 6 or the second water pump 8, so that the heating cycle is completed.
In an embodiment, referring to fig. 3, the second branch A2 may further include a check valve 9, and the check valve 9 may be disposed in the second water pump 8 and the first heater 10. In the case of the operation of the engine body 1, the two-way valve 7 is opened, the coolant can be delivered into the engine body 1 via the first water pump 6 and flow out from the engine body 1, at this time, the first heater 10 is not operated, and the coolant can complete the heating cycle in the above embodiment via the engine body 1. And the check valve 9 can prevent the high-temperature liquid from reversely flowing into the second water pump 8. In the case where the engine body 1 is not in operation, the second three-way valve 7 may be closed, and the coolant may be delivered to the first heater 10 via the second water pump 8, that is, the heating cycle in the above embodiment is completed by the first heater 10.
In one embodiment, referring to fig. 2, the engine thermal management module further includes a thermostat 2 and a first water bottle 5, the thermostat 2 is disposed on the second cooling flow path B between the engine body 1 and the first radiator 3, and the first water bottle 5 is disposed on the second cooling flow path B between the first radiator 3 and the first water pump 6.
Specifically, the second cooling flow path B may be sequentially provided with a first radiator 3, a first sensor 4, a first water tank 5, a first water pump 6, an engine body 1, and a thermostat 2; wherein the first heat sink 3 can accelerate heat dissipation by the electronic fan 38, and the first kettle 5 can be an expansion kettle. The engine body 1 is suitably operated at a temperature of about 90 c, and when the temperature is not higher than 90 c, the thermostat 2 is turned off and the coolant circulates inside the engine body 1. When the temperature of the engine body 1 exceeds 90 ℃, the thermostat 2 is opened, and the cooling liquid passes through the first radiator 3 and is accelerated to be cooled by the electronic fan 38; then returns to the inside of the engine body 1 through the first water kettle 5 and the first water pump 6. The first sensor 4 may be used to detect the coolant temperature so that the engine body 1 operates while being maintained at an optimum temperature. When the first sensor 4 detects that the coolant temperature is too low, the thermostat 2 is closed and the coolant continues to circulate inside the engine block 1 until the coolant temperature reaches the optimum operating temperature of 90 ℃.
In other embodiments, the first kettle 5 may be further connected in parallel with the first heat sink 3 and the first sensor 4, and it is understood that the first kettle 5 is provided to ensure the safety of the cooling flow path and avoid the flow path from being damaged by high temperature and high pressure inside the flow path, so the specific connection manner of the first kettle 5 is not limited.
In one embodiment, referring to fig. 5, the power battery thermal management module further includes a third water pump 17 and a second heater 20, the third water pump 17 is disposed on a third cooling flow path C between the first cold water side and the second hot water side, and the second heater 20 is disposed on the third cooling flow path C between the second hot water side and the power battery pack 15.
Specifically, the third cooling flow path C is provided with a power battery pack 15, a first cold water side of the first heat exchanger 13, a second kettle 16, a third water pump 17, a hot water side of the second heat exchanger 18, a second sensor 19 and a second heater 20 in sequence. When the weather temperature is lower than the battery pack minimum operating temperature by 15 deg.c, and in the case where the engine body 1 is not operated, the power battery pack 15 may start to operate using the self-heating cycle, the third water pump 17 and the second heater 20. The cooling liquid can enter the third water pump 17 from the second water kettle 16, pass through the second sensor 19, enter the second heater 20 for heating, become high-temperature liquid, and flow into the power battery pack 15, so that the power battery pack 15 can reach the minimum working temperature of 15 ℃. The power battery pack 15 can be drained of low-temperature cooling liquid, and the low-temperature cooling liquid can flow into the second kettle 16 through the cold water side of the first heat exchanger 13 to complete a heating cycle.
In one embodiment, referring to fig. 1, the air conditioner cooling module further includes an electronic expansion valve 28 and an air compressor 22, the electronic expansion valve 28 is disposed on a fourth cooling flow path D between the air conditioner condenser 23 and the second cold water side, and the air compressor 22 is disposed on the fourth cooling flow path D between the second cold water side and the air conditioner condenser 23, wherein the fourth cooling flow path D sequentially passes through the second cold water side, the air compressor 22, the air conditioner condenser 23 and the electronic expansion valve 28.
Specifically, the fourth cooling flow path D is provided with an air compressor 22, an air conditioning condenser 23, a pressure sensor 24, an electronic expansion valve 28, a cold water side of the second heat exchanger 18, and a third sensor 21 in this order. Wherein, the pressure sensor 24 is arranged between the air conditioner condenser 23 and the electronic expansion valve 28. The high-temperature high-pressure gas at the outlet of the air compressor 22 passes through the air-conditioning condenser 23 and is changed into low-temperature high-pressure liquid, and the pressure sensor 24 monitors the pressure of the cooling liquid at the moment to prevent the pipe explosion due to overhigh pressure. The cooling liquid reaches the second heat exchanger 18 after passing through the electronic expansion valve 28, and the electronic expansion valve 28 is used for changing the low-temperature high-pressure liquid into low-temperature low-pressure gas and completing heat exchange with the hot cooling liquid of the power battery pack 15 in the second heat exchanger 18. Therefore, a large amount of heat from the power battery pack 15 is absorbed, the power battery pack 15 is cooled, and the temperature of the power battery pack 15 is prevented from exceeding 50 ℃. The third sensor 21 is used to detect the pressure and temperature of the coolant flowing out from the second heat exchanger 18, and prevent the pressure from being too high and bursting, and the coolant flowing through the third sensor 21 can return to the air compressor 22, thereby completing a cooling cycle.
In one embodiment, referring to fig. 1, the air-conditioning cooling module further includes an evaporator 26 for supplying cold to the passenger compartment, a third branch D1 is disposed on the first cooling flow path a between the air-conditioning condenser 23 and the second cold water side, and the third branch D1 passes through the evaporator 26 and is connected to a fourth cooling flow path D between the air compressor 22 and the first cold water side.
Specifically, the air-conditioning cooling module further includes a third three-way valve 25, and the third three-way valve 25 is disposed at a junction of the inlet of the third branch D1 and the fourth cooling flow path D. When the temperature in the automobile needs to be reduced by the automobile air conditioner, the cooling liquid flowing out of the pressure sensor 24 can flow to the three-way valve 25 and enter the evaporator 26 through the third branch D1 to be changed into low-temperature low-pressure gas, at the moment, the evaporator 26 absorbs a large amount of heat, the temperature of accessory gas is reduced, and the low-temperature gas is blown into the cockpit by the blower 14, so that the temperature in the automobile is reduced. The flow into the fourth cooling flow path D may be a circulation system of the second heat exchanger 18 in the above embodiment. The gas from the evaporator 26 can be returned to the air compressor 22 to complete a cooling cycle. A fifth sensor 27 may also be connected to the evaporator 26 at a location for sensing the temperature of the evaporator 26.
In one embodiment, referring to fig. 1, the thermal management system of the hybrid vehicle further includes a motor electrically-controlled cooling module, where the motor electrically-controlled cooling module includes a power converter 37, a driving motor 29, a generator 30, a second radiator 33, and a fifth cooling flow path E, where the fifth cooling flow path E sequentially passes through the power converter 37, the driving motor 29, the generator 30, and the second radiator 33.
Specifically, the fifth cooling flow path E is provided with a drive motor 29, a generator 30, a third water tank 31, a fourth sensor 32, a second radiator 33, a fourth water pump 34, a generator controller 35, a drive motor controller 36, a power converter 37, and the like in this order. Wherein, the fifth cooling flow path E is filled with cooling liquid; the power converter 37 is used for converting high-voltage direct current into low-voltage direct current to supply power to the low-voltage charge and the storage battery of the whole vehicle. When the generator 30 and the motor controller are operated to generate a large amount of heat, and the fourth sensor 32 can detect that the temperature of the coolant is higher than the optimal operating temperature, the fourth water pump 34 starts to operate, and the coolant on the fifth cooling flow path E starts to circulate. Preferably, the optimum operating temperature of the above components is 60 ℃. The second radiator 33 can accelerate heat dissipation by the electronic fan 38, so that the temperature of the cooling liquid drops rapidly. When the temperature of the coolant is lower than the optimal operating temperature, the fourth water pump 34 and the second radiator 33 may stop operating, reducing energy consumption.
In one embodiment, the hybrid electric vehicle thermal management system further comprises a thermal management controller, a vehicle control unit, an engine control module and a battery management system. The vehicle control unit is electrically connected with the thermal management controller, the battery management system and the engine control module respectively, and is used for detecting and communicating the modules. The thermal management controller is used for managing the work of each sensor and each actuator and controlling the temperature to be in a proper range. The battery management system is used for managing the battery to be in an optimal working state. The engine control module has the function of continuously detecting and controlling the normal working operation of the engine.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, are used for describing the orientation or positional relationship based on the drawings, and are only used for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present application.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The hybrid electric vehicle thermal management system is characterized by comprising an engine thermal management module, a power battery thermal management module and an air conditioner cooling module;
the engine thermal management module comprises an engine body, a first radiator, a first cooling flow path and a second cooling flow path;
the power battery thermal management module comprises a power battery pack, a first heat exchanger and a third cooling flow path, wherein the first heat exchanger is provided with a first hot water side and a first cold water side;
the air conditioner cooling module comprises an electronic fan, an air conditioner condenser, a second heat exchanger and a fourth cooling flow path, wherein the second heat exchanger is provided with a second hot water side and a second cold water side;
wherein the content of the first and second substances,
the first cooling flow path passes through the engine body and the first hot water side in this order;
the second cooling flow path passes through the engine body and the first radiator in this order;
the third cooling flow path sequentially passes through the power battery pack, the first cold water side and the second hot water side;
the fourth cooling flow path sequentially passes through the second cold water side and the air conditioner condenser;
the electronic fan is provided with a cooling air channel, and the air conditioner condenser and the first radiator are both arranged in the cooling air channel.
2. The hybrid vehicle thermal management system of claim 1, wherein the engine thermal management module further comprises a main flow path and a first water pump, the main flow path is branched after passing through the engine body to form the first cooling flow path and the second cooling flow path, and the first water pump has a first inlet and a second inlet; the first cooling flow path flows into the first inlet after passing through the first hot water side, the second cooling flow path flows into the second inlet after passing through the first radiator, and the first cooling flow path and the second cooling flow path merge into the main flow path after passing through the first water pump.
3. The hybrid vehicle thermal management system of claim 2, wherein the engine thermal management module further comprises a warm air core for heating a passenger compartment, and a first branch is provided on a first cooling flow path between the engine body and the first hot water side, and the first branch passes through the warm air core and is connected to a first cooling flow path between the first hot water side and the first water pump.
4. The hybrid vehicle thermal management system of claim 3, wherein the engine thermal management module further comprises a blower for blowing hot air in the vicinity of the warm air core toward the passenger compartment, the blower having a blower duct, the warm air core being within the blower duct.
5. The hybrid vehicle thermal management system of claim 2, wherein the engine thermal management module further comprises a first heater and a second water pump, a second branch is disposed between the first cooling flow path of the engine body and the first hot water side, the first heater is disposed on the first cooling flow path of the engine body and the first hot water side, and the second branch passes through the second water pump and then is connected to the first cooling flow path between the engine body and the first heater.
6. The hybrid vehicle thermal management system of claim 2, wherein the engine thermal management module further comprises a thermostat and a first water kettle, the thermostat being disposed on a second cooling flow path between the engine block and the first radiator, the first water kettle being disposed on a second cooling flow path between the first radiator and the first water pump.
7. The hybrid vehicle thermal management system of claim 1, wherein the power cell thermal management module further comprises a third water pump disposed in a third cooling flow path between the first cold water side and the second hot water side, and a second heater disposed in a third cooling flow path between the second hot water side and the power cell pack.
8. The hybrid vehicle thermal management system of claim 1, wherein the air conditioning cooling module further comprises an electronic expansion valve and an air compressor, the electronic expansion valve is disposed on the fourth cooling flow path between the air conditioning condenser and the second cold water side, the air compressor is disposed on the fourth cooling flow path between the second cold water side and the air conditioning condenser, and wherein the fourth cooling flow path sequentially passes through the second cold water side, the air compressor, the air conditioning condenser, and the electronic expansion valve.
9. The hybrid vehicle thermal management system of claim 8, wherein the air conditioning and cooling module further comprises an evaporator for supplying cooling to a passenger compartment, and a third branch is provided on the first cooling flow path between the air conditioning condenser and the second cold water side, and the third branch passes through the evaporator and is connected to a fourth cooling flow path between the air compressor and the first cold water side.
10. The hybrid vehicle thermal management system of claim 1, further comprising an electric machine electronically controlled cooling module comprising a power converter, a drive motor, a generator, a second heat sink, and a fifth cooling flow path, wherein the fifth cooling flow path passes through the power converter, the drive motor, the generator, and the second heat sink in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221849450.4U CN218228643U (en) | 2022-07-18 | 2022-07-18 | Hybrid electric vehicle thermal management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221849450.4U CN218228643U (en) | 2022-07-18 | 2022-07-18 | Hybrid electric vehicle thermal management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218228643U true CN218228643U (en) | 2023-01-06 |
Family
ID=84676640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221849450.4U Active CN218228643U (en) | 2022-07-18 | 2022-07-18 | Hybrid electric vehicle thermal management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218228643U (en) |
-
2022
- 2022-07-18 CN CN202221849450.4U patent/CN218228643U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106004336B (en) | A kind of thermal management system of whole of mixed electrical automobile | |
| CN107097664B (en) | Intelligent multi-loop electric automobile thermal management system | |
| CN107521307B (en) | Automotive thermal tube manages system and the automobile with the system | |
| CN107839433B (en) | Whole vehicle thermal management system of plug-in hybrid electric vehicle | |
| CN110356195A (en) | A kind of electrombile thermal management system and method | |
| CN213007493U (en) | Electric automobile and thermal management system thereof | |
| CN109638381B (en) | High-efficient integrated initiative thermal management system of electric automobile | |
| CN113335021B (en) | Waste heat recovery type whole vehicle thermal management system of extended-range hybrid electric vehicle | |
| CN113386527B (en) | Thermal management system and control method of pure electric vehicle and pure electric vehicle | |
| CN111347934B (en) | Thermal management system and method for fuel cell vehicle | |
| CN114161997B (en) | Double-pile high-power hydrogen fuel cell automobile heat management system | |
| CN115742685A (en) | Cold and hot system of low-temperature heat pump of new energy electric automobile and control method of cold and hot system | |
| WO2023272433A1 (en) | Vehicle thermal management system and vehicle | |
| CN210436994U (en) | Heat circulation system for pure electric vehicle | |
| CN218228643U (en) | Hybrid electric vehicle thermal management system | |
| CN218228565U (en) | Vehicle thermal management system and vehicle with same | |
| CN113400892B (en) | Electric vehicle whole vehicle thermal management system and control method thereof | |
| CN216033622U (en) | Integrated thermal management system and vehicle | |
| CN115195392A (en) | Integrated whole vehicle central heat management system for hybrid electric vehicle | |
| CN111591102A (en) | New energy automobile thermal management system | |
| CN220483036U (en) | Hybrid vehicle thermal management system and vehicle | |
| CN214083776U (en) | Hybrid vehicle's thermal management system and vehicle | |
| CN217623061U (en) | Thermal management circuit of electric vehicle | |
| CN115056630B (en) | Thermal management system assembly for electric truck and electric truck | |
| CN218647987U (en) | Fuel cell vehicle thermal management system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |