CN113665318A - Control system and method for power battery of plug-in hybrid vehicle - Google Patents
Control system and method for power battery of plug-in hybrid vehicle Download PDFInfo
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- CN113665318A CN113665318A CN202111010100.9A CN202111010100A CN113665318A CN 113665318 A CN113665318 A CN 113665318A CN 202111010100 A CN202111010100 A CN 202111010100A CN 113665318 A CN113665318 A CN 113665318A
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- 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
- B60H1/004—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for vehicles having a combustion engine and electric drive means, e.g. hybrid electric vehicles
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- 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
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
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- 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
- B60H1/00321—Heat exchangers for air-conditioning devices
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- 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
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
- B60H1/04—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant
- B60H1/06—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant directly from main radiator
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- 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
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
- B60H1/14—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant otherwise than from cooling liquid of the plant, e.g. heat from the grease oil, the brakes, the transmission unit
- B60H1/143—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant otherwise than from cooling liquid of the plant, e.g. heat from the grease oil, the brakes, the transmission unit the heat being derived from cooling an electric component, e.g. electric motors, electric circuits, fuel cells or batteries
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- 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
- B60H1/32—Cooling devices
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Abstract
The invention belongs to the technical field of hybrid vehicles, and discloses a control system and a control method for a power battery of a plug-in hybrid vehicle, wherein the system comprises the following steps: the engine cooling loop is provided with an engine and a radiator III; the motor cooling loop is provided with a power motor body and a radiator III; the battery cooling loop is provided with a power battery, a third radiator and a second radiator; the warm air loop is provided with a third radiator, a fourth radiator and a second fan; the air-conditioning refrigeration loop is provided with a second radiator, a fifth radiator and an air-conditioning compressor assembly, and the fifth radiator is connected with the second fan; and the passenger cabin is used for adjusting the temperature through the second fan. The system reduces a high-voltage electric component electric heating device, heats the power battery and the passenger compartment under the condition of not starting the engine, and reduces the system cost.
Description
Technical Field
The invention relates to the technical field of hybrid vehicles, in particular to a control system and method for a power battery of a plug-in hybrid vehicle.
Background
The plug-in hybrid electric vehicle has the advantages of low oil consumption of a pure electric vehicle and long driving range of a traditional fuel vehicle, and is a necessary transition product for the development of the traditional fuel vehicle to a new energy vehicle. However, the plug-in hybrid electric vehicle has two driving systems, namely a pure electric driving system and a traditional fuel vehicle, so that the cost is higher than that of the traditional fuel vehicle, and the popularization and the application of the plug-in hybrid electric vehicle are limited. Therefore, cost reduction is an important way to promote the plug-in hybrid electric vehicle. The hardware cost of the plug-in hybrid vehicle is not substantially affected by the sales volume, but the software cost can be greatly reduced as the sales volume increases. Therefore, development of functions for replacing some hardware by software development, i.e., control method, is an important way to reduce the cost of the plug-in hybrid vehicle.
The power system of the plug-in hybrid electric vehicle consists of an engine, a transmission, a power motor body, a power battery, a charger and a DC-DC (direct current-direct current), and realizes the basic driving and charging functions of the vehicle. In addition, the plug-in hybrid electric vehicle is provided with a thermal management system to keep the passenger compartment in a comfortable temperature environment and to ensure that the power system works at a proper temperature. The heat management system consists of an electric heating device, an electric air-conditioning compressor, an electric water pump and other parts. The electric heating device is used for converting electric energy into heat energy and heating the passenger compartment or the power battery in a cold environment. The electric compressor is used for refrigerating and cooling the passenger compartment and the power battery in a hot environment. The water pump is used for driving the cooling liquid to flow and perform heat exchange.
Although the engine generates a large amount of waste heat when operating, and the power battery and the passenger compartment can be heated when needed, the engine can generate oil consumption when operating in a low-temperature environment pure electric mode or a low-temperature environment charging and heating working condition, which is contrary to the original intention of a plug-in hybrid electric vehicle, and therefore an electric heating device is also needed to provide heat energy.
Disclosure of Invention
The invention aims to provide a control system and a control method for a power battery of a plug-in hybrid electric vehicle, which aim to solve the problem of high hardware cost of the plug-in hybrid electric vehicle.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, a control system for a plug-in hybrid vehicle power battery includes:
the engine cooling loop is provided with an engine and a radiator III;
the motor cooling loop is provided with a power motor body and the radiator III;
the battery cooling loop is provided with a power battery, the third radiator and the second radiator;
the warm air loop is provided with a third radiator, a fourth radiator and a second fan;
the air-conditioning refrigeration loop is provided with a second radiator, a fifth radiator and an air-conditioning compressor assembly, and the fifth radiator is connected with the second fan; and
and the passenger cabin is used for adjusting the temperature through the second fan.
As a preferable scheme of the control system of the plug-in hybrid vehicle power battery, the motor cooling circuit is further provided with a first water pump, a third three-way valve and a first three-way valve, wherein:
the first end of water pump one connects gradually the power motor body with the a opening of three-way valve, the b opening of three-way valve with the a opening of three-way valve is connected and is passed through radiator three, the c opening of three-way valve is connected the a opening of three-way valve, the b opening of three-way valve is connected to the second end of water pump one.
As a preferable aspect of the control system for the plug-in hybrid vehicle power battery, the engine cooling circuit is further provided with a water pump four, a three-way valve four, a wax thermostat, and a radiator six, wherein:
the first end of water pump four is connected the engine, the a opening of three-way valve four is connected the second end of water pump four, the b opening of three-way valve four is connected to the a opening of wax formula thermostat, the c opening of three-way valve four passes through the radiator is connected to behind the three the b opening of three-way valve four with between the a opening of wax formula thermostat, the b opening of wax formula thermostat connects gradually the radiator six with the second end of water pump four, the c opening of wax formula thermostat is connected to the radiator six with between the second end of water pump four.
As a preferable aspect of the control system for a plug-in hybrid vehicle power battery described above, the motor cooling circuit further includes:
the first water temperature sensor is arranged between the power motor body and an a port of the third three-way valve; and
the first radiator is arranged between the first three-way valve and the second end of the first water pump.
As a preferable scheme of the control system of the plug-in hybrid vehicle power battery, the first radiator is further connected with a first fan.
As a preferable aspect of the control system for the plug-in hybrid vehicle power battery, the engine cooling circuit is further provided with a water temperature sensor four.
As a preferable scheme of the control system of the plug-in hybrid vehicle power battery, the battery cooling circuit is further provided with a second water pump and a second three-way valve, a first end of the second water pump is sequentially connected with the power battery, the second radiator and a c port of the second three-way valve, a b port of the second three-way valve is communicated with the second radiator and passes through the third radiator, and an a port of the second three-way valve is connected with a second end of the second water pump.
As a preferable aspect of the control system for the plug-in hybrid vehicle power battery, a second water temperature sensor is provided between the power battery and the second radiator to detect a temperature of the coolant in the battery cooling circuit before the coolant enters the power battery.
As a preferable aspect of the control system for the plug-in hybrid vehicle power battery, the warm air circuit further includes:
the third water pump is arranged between the first end of the third radiator and the first end of the fourth radiator; and
and the third water temperature sensor is arranged between the second end of the third radiator and the second end of the fourth radiator.
In a second aspect, a method for controlling a plug-in hybrid vehicle power battery, which utilizes the control system of the plug-in hybrid vehicle power battery, includes:
when the whole vehicle is in a charging heating mode and the temperature of the power battery is lower than a first temperature, the power motor body converts electric energy into heat energy, and then the power battery is heated through the motor cooling loop and the battery cooling loop;
in the warm air mode, the power motor body converts the electric energy of the power battery into mechanical energy and heat energy, the heating power of the power motor body is increased, and then the passenger compartment is heated through the motor cooling loop and the warm air loop.
The invention has the beneficial effects that:
for the control system of the plug-in hybrid vehicle power battery, the radiator III can exchange heat with cooling liquid in an engine cooling loop, a warm air loop, a motor cooling loop and cooling liquid in a battery cooling loop, the power motor body can convert electric energy into heat energy, the heat energy is heated by the motor cooling loop and the battery cooling loop, the power motor body can also convert the electric energy of the power battery into mechanical energy and heat energy to increase the heating power of the power motor body, and the passenger compartment is heated by the motor cooling loop and the warm air loop.
For the control method of the plug-in hybrid vehicle power battery, the radiator III can exchange heat with cooling liquid in an engine cooling loop, a warm air loop, a motor cooling loop and cooling liquid in a battery cooling loop, the power motor body can convert electric energy into heat energy, the heat energy is heated by the motor cooling loop and the battery cooling loop, the power motor body can convert the electric energy of the power battery into mechanical energy and heat energy to increase the heating power of the power motor body, and then the passenger compartment is heated by the motor cooling loop and the warm air loop.
Drawings
Fig. 1 is a connection diagram of a control system of a plug-in hybrid vehicle power battery according to a first embodiment of the present application.
In the figure:
101-charger, 102-DC-DC, 103-power motor inverter, 104-power motor body, 105-power battery, 106-passenger compartment, 107-engine;
201-water pump one, 202-water pump two, 203-water pump three, 204-water pump four;
303-three-way valve two, 304-three-way valve three, 305-three-way valve one, 306-three-way valve four, 307-wax thermostat;
401-radiator one, 402-radiator two, 403-radiator three, 404-radiator four, 405-radiator five, 406-radiator six;
501-fan one, 502-fan two;
602-an air conditioner compressor assembly;
701-a first water temperature sensor, 702-a second water temperature sensor, 703-a third water temperature sensor and 704-a fourth water temperature sensor;
801-three case assembly of air conditioner.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element 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" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The first embodiment is as follows:
the present embodiment provides a control system for a plug-in hybrid vehicle power battery, which includes an engine cooling circuit, a motor cooling circuit, a battery cooling circuit, a warm air circuit, and an air conditioning cooling circuit, and a passenger compartment 106, as shown in fig. 1.
The engine cooling circuit is provided with an engine 107 and a radiator III 403, the motor cooling circuit is provided with a power motor body 104 and a radiator III 403, the battery cooling circuit is provided with a power battery 105, a radiator III 403 and a radiator II 402, the warm air circuit is provided with a radiator III 403, a radiator IV 404 and a fan II 502, the air-conditioning refrigeration circuit is provided with a radiator II 402, a radiator V405 and an air-conditioning compressor assembly 602, the radiator V405 is connected with the fan II 502, and the temperature of the passenger cabin 106 is adjusted through the fan II 502.
For the control system of the plug-in hybrid vehicle power battery, the third radiator 403 can exchange heat between the cooling liquid in the engine cooling loop and the cooling liquid in the warm air loop, the motor cooling loop and the battery cooling loop, the power motor body 104 can convert electric energy into heat energy, the heat energy is heated by the motor cooling loop and the battery cooling loop to heat the power battery 105, the electric energy of the power battery 105 can be converted into mechanical energy and heat energy by the power motor body 104 to increase the heating power of the power motor body 104, and the passenger compartment 106 is heated by the motor cooling loop and the warm air loop.
Further, the engine cooling circuit is also provided with a water pump four 204, a three-way valve four 306, a wax thermostat 307, and a radiator six 406.
The first end of the water pump four 204 is connected with the engine 107, the port a of the three-way valve four 306 is connected with the second end of the water pump four 204, the port b of the three-way valve four 306 is connected to the port a of the wax thermostat 307, the port c of the three-way valve four 306 passes through the radiator three 403 and then is connected between the port b of the three-way valve four 306 and the port a of the wax thermostat 307, the port b of the wax thermostat 307 is sequentially connected with the radiator six 406 and the second end of the water pump four 204, and the port c of the wax thermostat 307 is connected between the radiator six 406 and the second end of the water pump four 204.
The water pump four 204 functions to drive the flow of coolant in the engine cooling circuit and exchange heat with the radiator six 406 and the engine 107. The function of the three-way valve four 306 is to connect the engine cooling circuit to the radiator three 403. Radiator six 406 functions to exchange heat with outside air from the coolant in the engine cooling circuit. The engine 107 is a cooled assembly. The wax thermostat 307 may automatically control whether coolant flows to the radiator six 406 based on the temperature of the coolant in the engine cooling circuit.
The motor cooling circuit is also provided with a first water pump 201, a third three-way valve 304 and a first three-way valve 305.
The first end of the first water pump 201 is sequentially connected with the power motor body 104 and the port a of the three-way valve 304, the port b of the three-way valve 304 is connected with the port a of the first three-way valve 305 and passes through the radiator three 403, the port c of the three-way valve 304 is connected with the port a of the first three-way valve 305, and the port b of the first three-way valve 305 is connected to the second end of the first water pump 201.
The charger 101, the DC-DC102 and the power motor inverter 103 are sequentially arranged between the first water pump 201 and the power motor body 104. The charger 101, the DC-DC102, the power motor inverter 103 and the power motor body 104 are cooled assemblies.
The motor cooling circuit is further provided with a first water temperature sensor 701 and a first radiator 401, wherein the first water temperature sensor 701 is arranged between the power motor body 104 and the port a of the three-way valve three 304, and the first radiator 401 is arranged between the first three-way valve 305 and the second end of the first water pump 201.
Further, a first fan 501 is connected to the first heat sink 401. The first fan 501 serves to increase the amount of heat exchange between the cooling fluid in the motor cooling circuit and the outside air.
The first water temperature sensor 701 is used for detecting the temperature of the cooling liquid in the motor cooling circuit after the cooling liquid flows out of the cooled assembly, and the temperature is used for judging whether certain working mode entering conditions are met or not and is used as a judging condition for switching the states of the first three-way valve 305 and a calculating condition for the working rotating speed of the first fan 501.
The water pump I201 is used for driving cooling liquid in the motor cooling circuit to flow, the water pump I201 exchanges heat with the radiator I401, the charger 101, the DC-DC102, the power motor inverter 103 and the power motor body 104, the three-way valve I305 is used for guiding whether the cooling liquid in the motor cooling circuit can flow to the radiator I401, the three-way valve III 304 is used for guiding whether the cooling liquid in the motor cooling circuit can flow to the radiator III 403, and the radiator I401 is used for exchanging heat with the cooling liquid in the motor cooling circuit and outside air.
Further, the engine cooling circuit is also provided with a water temperature sensor four 704. The water temperature sensor four 704 functions to detect the temperature of the coolant in the engine cooling circuit after flowing out of the cooled assembly, which is used to determine whether certain operating mode entering conditions are satisfied, and serves as a calculation condition for the operating speed of the fan one 501.
Furthermore, the battery cooling circuit is also provided with a second water pump 202 and a second three-way valve 303, wherein a first end of the second water pump 202 is sequentially connected with the power battery 105, a second radiator 402 and a c port of the second three-way valve 303, a b port of the second three-way valve 303 is communicated with the second radiator 402 and passes through a third radiator 403, and an a port of the second three-way valve 303 is connected with a second end of the second water pump 202.
The second water pump 202 is used for driving the cooling liquid in the battery cooling circuit to flow, the second water pump 202 exchanges heat with the second radiator 402, the third radiator 403 and the power battery 105, the second three-way valve 303 is used for guiding the cooling liquid in the battery cooling circuit to flow to the third radiator 403, and the second radiator 402 is used for exchanging heat between the cooling liquid in the battery cooling circuit and the condensing agent in the air-conditioning refrigeration circuit.
Further, a second water temperature sensor 702 is arranged between the power battery 105 and the second radiator 402 to detect the temperature of the cooling liquid in the battery cooling loop before entering the power battery 105, and the temperature is used for calculating the heating power of the power motor systems 103 and 104 and the output power of the air conditioner compressor assembly 602.
The warm air circuit is also provided with a third water pump 203 and a third water temperature sensor 703, wherein the third water pump 203 is arranged between the first end of the third radiator 403 and the first end of the fourth radiator 404. The third water temperature sensor 703 is disposed between the second end of the third radiator 403 and the second end of the fourth radiator 404.
The third water pump 203 is used for driving the coolant in the warm air circuit to flow, and exchanging heat with the third radiator 403 and the fourth radiator 404.
The third radiator 403 is used for exchanging heat between the cooling liquid in the engine cooling circuit and the cooling liquid in the warm air circuit, the motor cooling circuit and the battery cooling circuit.
The radiator IV 404 is used for exchanging heat between the cooling liquid in the warm air loop and the passenger compartment 106, the fan II 502 is used for increasing the heat exchange amount between the cooling liquid in the warm air loop and the passenger compartment 106, and the water temperature sensor III 703 is used for detecting the temperature of the cooling liquid in the warm air loop, wherein the temperature is used for calculating the heating power of the power motor inverter 103 and the power motor body 104 and the working rotating speed of the fan II 502.
In the air-conditioning refrigeration circuit, the air-conditioning compressor assembly 602 is used for compressing and cooling the refrigerant in the air-conditioning refrigeration circuit and driving the refrigerant to flow, the air-conditioning compressor assembly 602 exchanges heat with the second radiator 402 and the fifth radiator 405, the second radiator 402 is used for exchanging heat between the coolant in the battery cooling circuit and the refrigerant in the air-conditioning refrigeration circuit, the fifth radiator 405 is used for exchanging heat between the refrigerant in the cooling circuit and the passenger cabin 106, and the second fan 502 is used for increasing the heat exchange amount between the refrigerant in the cooling circuit and the passenger cabin 106.
It should be noted that the fourth radiator 404, the fifth radiator 405, and the second fan 502 constitute a three-box air conditioning assembly 801 that exchanges heat with the passenger compartment 106.
Example two:
the embodiment provides a control method of a plug-in hybrid vehicle power battery, and the control system of the plug-in hybrid vehicle power battery provided by the embodiment one is utilized.
When the entire vehicle is in a charging heating mode and the temperature of the power battery 105 is lower than a first temperature (in this embodiment, the first temperature is 0 ℃), the power motor body 104 converts electric energy into heat energy, and the heat energy is heated by the motor cooling loop and the battery cooling loop.
The specific control steps are as follows: opening the a port and the b port of the first three-way valve 305, opening the a port and the b port of the second three-way valve 303, opening the a port and the b port of the third three-way valve 304, opening the a port and the b port of the fourth three-way valve 306, opening the first water pump 201 and the second water pump 202, closing the fourth water pump 204, closing the air conditioner 602, closing the first fan 501, and controlling the power motor body 104 to work in a locked rotor state through vector control of the power motor body 104, namely, the output torque is zero. The electric energy at the end of the power grid is converted into heat energy through the power motor body 104 by utilizing the vehicle-mounted charger 101, at the moment, the power motor body 104 is equivalent to a resistor, and then the power battery 105 is heated through the motor cooling loop and the battery cooling loop. When the power battery 105 reaches a certain temperature (for example, 5 ℃), the charging is performed again. This function can achieve heating of the power battery 105 without starting the engine.
In the warm air mode, the power motor body 104 converts the electric energy of the power battery 105 into mechanical energy and heat energy, increases the heating power of the power motor body 104, and heats the passenger compartment 106 through the motor cooling loop and the warm air loop.
The specific control steps are as follows: opening ports a and b of a first three-way valve 305, opening ports a and b of a third three-way valve 304, opening ports a and b of a fourth three-way valve 306, opening a first water pump 201 and a third water pump 203, closing a fourth water pump 204, closing an air conditioner 602, closing a first fan 501 and opening a second fan 502. Through the vector control of the power motor body 104, the power motor body 104 is controlled to work in a torque mode, and the electric energy of the power battery 105 is converted into mechanical energy and heat energy through the power motor body 104. Through the vector control of the power motor body 104, the working efficiency of the power motor body 104 is reduced, the heating power of the power motor body 104 is increased, and then the passenger compartment 106 is heated by the fourth radiator 404 and the second fan 502 through the motor cooling loop and the warm air loop. This function can realize heating of the passenger compartment 106 without starting the engine 107.
According to the control method provided by the embodiment of the application, the third radiator 403 can exchange heat between the coolant in the engine cooling circuit and the coolant in the warm air circuit, the motor cooling circuit and the battery cooling circuit, the power motor body 104 can convert electric energy into heat energy, the heat energy is heated by the motor cooling circuit and the battery cooling circuit to heat the power battery 105, the power motor body 104 can convert electric energy of the power battery 105 into mechanical energy and heat energy to increase the heating power of the power motor body 104, and the passenger compartment 106 is heated by the motor cooling circuit and the warm air circuit.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A control system of a plug-in hybrid vehicle power battery is characterized by comprising:
an engine cooling circuit provided with an engine (107) and a radiator III (403);
the motor cooling loop is provided with a power motor body (104) and the radiator III (403);
a battery cooling circuit provided with a power battery (105), the radiator three (403), and a radiator two (402);
the warm air loop is provided with a third radiator (403), a fourth radiator (404) and a second fan (502);
the air-conditioning refrigeration circuit is provided with a second radiator (402), a fifth radiator (405) and an air-conditioning compressor assembly (602), wherein the fifth radiator (405) is connected with the second fan (502); and
and a passenger compartment (106) which is tempered by the second fan (502).
2. The control system of a plug-in hybrid vehicle power battery according to claim 1, wherein the motor cooling circuit is further provided with a first water pump (201), a third three-way valve (304), and a first three-way valve (305), wherein:
the first end of the first water pump (201) is connected in proper order the power motor body (104) with the a opening of the three-way valve (304), the b opening of the three-way valve (304) with the a opening of the three-way valve (305) is connected and is passed through the radiator three (403), the c opening of the three-way valve (304) is connected the a opening of the three-way valve (305), the b opening of the three-way valve (305) is connected to the second end of the first water pump (201).
3. The plug-in hybrid vehicle power cell control system of claim 2, wherein the engine cooling circuit is further provided with a water pump four (204), a three-way valve four (306), a wax thermostat (307), and a radiator six (406), wherein:
the first end of the water pump four (204) is connected with the engine (107), the a port of the three-way valve four (306) is connected with the second end of the water pump four (204), the b port of the three-way valve four (306) is connected with the a port of the wax thermostat (307), the c port of the three-way valve four (306) is connected between the b port of the three-way valve four (306) and the a port of the wax thermostat (307) after passing through the radiator three (403), the b port of the wax thermostat (307) is sequentially connected with the radiator six (406) and the second end of the water pump four (204), and the c port of the wax thermostat (307) is connected between the radiator six (406) and the second end of the water pump four (204).
4. The control system of a plug-in hybrid vehicle power battery according to claim 3, wherein the motor cooling circuit is further provided with:
the first water temperature sensor (701) is arranged between the power motor body (104) and an a port of the third three-way valve (304); and
and the radiator I (401) is arranged between the three-way valve I (305) and the second end of the water pump I (201).
5. The control system of the plug-in hybrid vehicle power battery as claimed in claim 4, wherein the first radiator (401) is further connected with a first fan (501).
6. The control system of a plug-in hybrid vehicle power cell according to claim 5, wherein the engine cooling circuit is further provided with a water temperature sensor four (704).
7. The control system of the plug-in hybrid vehicle power battery according to claim 3, wherein the battery cooling circuit is further provided with a second water pump (202) and a second three-way valve (303), a first end of the second water pump (202) is sequentially connected with the power battery (105), the second radiator (402) and a c port of the second three-way valve (303), a b port of the second three-way valve (303) is communicated with the second radiator (402) and passes through the third radiator (403), and an a port of the second three-way valve (303) is connected with a second end of the second water pump (202).
8. The control system of the plug-in hybrid vehicle power battery according to claim 7, characterized in that a second water temperature sensor (702) is arranged between the power battery (105) and the second radiator (402) to detect the temperature of the cooling liquid in the battery cooling circuit before entering the power battery (105).
9. The control system of a plug-in hybrid vehicle power battery according to claim 7, wherein the warm air circuit is further provided with:
a third water pump (203) disposed between a first end of the third radiator (403) and a first end of the fourth radiator (404); and
a third water temperature sensor (703) disposed between a second end of the third radiator (403) and a second end of the fourth radiator (404).
10. A control method of a plug-in hybrid vehicle power battery, characterized in that the control system of the plug-in hybrid vehicle power battery according to any one of claims 1 to 9 is used, the method comprising:
when the whole vehicle is in a charging heating mode and the temperature of the power battery (105) is lower than a first temperature, the power motor body (104) converts electric energy into heat energy, and then the power battery (105) is heated through the motor cooling loop and the battery cooling loop;
in the warm air mode, the power motor body (104) converts the electric energy of the power battery (105) into mechanical energy and heat energy, the heating power of the power motor body (104) is increased, and then the passenger compartment (106) is heated through the motor cooling loop and the warm air loop.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115092014A (en) * | 2022-06-15 | 2022-09-23 | 一汽解放汽车有限公司 | Waste cold recovery whole vehicle thermal management system |
| WO2023005974A1 (en) * | 2021-07-28 | 2023-02-02 | 中国第一汽车股份有限公司 | Automobile thermal management system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112389162A (en) * | 2020-11-25 | 2021-02-23 | 中国第一汽车股份有限公司 | Whole car thermal management system of new energy automobile |
| CN112389276A (en) * | 2020-11-25 | 2021-02-23 | 中国第一汽车股份有限公司 | Thermal management system of pure electric vehicle |
| CN113246800A (en) * | 2021-05-12 | 2021-08-13 | 中国第一汽车股份有限公司 | Thermal management system of fuel cell automobile |
| CN113246801A (en) * | 2021-05-12 | 2021-08-13 | 中国第一汽车股份有限公司 | Whole-vehicle thermal management system of fuel cell vehicle |
| CN113427968A (en) * | 2021-07-28 | 2021-09-24 | 中国第一汽车股份有限公司 | Automobile heat management system |
-
2021
- 2021-08-31 CN CN202111010100.9A patent/CN113665318A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112389162A (en) * | 2020-11-25 | 2021-02-23 | 中国第一汽车股份有限公司 | Whole car thermal management system of new energy automobile |
| CN112389276A (en) * | 2020-11-25 | 2021-02-23 | 中国第一汽车股份有限公司 | Thermal management system of pure electric vehicle |
| CN113246800A (en) * | 2021-05-12 | 2021-08-13 | 中国第一汽车股份有限公司 | Thermal management system of fuel cell automobile |
| CN113246801A (en) * | 2021-05-12 | 2021-08-13 | 中国第一汽车股份有限公司 | Whole-vehicle thermal management system of fuel cell vehicle |
| CN113427968A (en) * | 2021-07-28 | 2021-09-24 | 中国第一汽车股份有限公司 | Automobile heat management system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023005974A1 (en) * | 2021-07-28 | 2023-02-02 | 中国第一汽车股份有限公司 | Automobile thermal management system |
| CN115092014A (en) * | 2022-06-15 | 2022-09-23 | 一汽解放汽车有限公司 | Waste cold recovery whole vehicle thermal management system |
| CN115092014B (en) * | 2022-06-15 | 2024-05-14 | 一汽解放汽车有限公司 | Whole car thermal management system is retrieved to surplus cold |
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