CN217532474U - Novel thermal management system for vehicle - Google Patents
Novel thermal management system for vehicle Download PDFInfo
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- CN217532474U CN217532474U CN202221630368.2U CN202221630368U CN217532474U CN 217532474 U CN217532474 U CN 217532474U CN 202221630368 U CN202221630368 U CN 202221630368U CN 217532474 U CN217532474 U CN 217532474U
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Abstract
The utility model discloses a novel vehicle thermal management system, which comprises a heat pump air-conditioning subsystem, a battery pack heat exchange subsystem, a warm air subsystem, an electric drive heat exchange subsystem, a refrigerant heat exchanger, a liquid cooling condenser, a battery pack heat exchanger and a six-way solenoid valve, wherein the heat pump air-conditioning subsystem exchanges heat with the electric drive heat exchange subsystem, the battery pack heat exchange subsystem and the warm air subsystem respectively through the refrigerant heat exchanger, the battery pack heat exchanger and the liquid cooling condenser; the heat pump air-conditioning subsystem comprises a compressor, wherein a refrigerant outlet end of the compressor is connected with a first end of a first four-way reversing valve, a second end of the first four-way reversing valve is connected with one end of a first electronic expansion valve, the other end of the first electronic expansion valve is connected with a refrigerant inlet end of a refrigerant heat exchanger, the refrigerant outlet end of the refrigerant heat exchanger is connected with one end of a two-way solenoid valve, one end of a second electronic expansion valve and one end of a third electronic expansion valve, and the other end of the second electronic expansion valve is connected with a refrigerant inlet end of an evaporator. The heat generated in the running process of the automobile can be reasonably utilized.
Description
Technical Field
The utility model relates to an automobile control technical field, concretely relates to novel automobile-used thermal management system.
Background
The electric automobile mainly provides energy through the battery, and compared with the traditional fuel automobile, the battery has the characteristics of energy conservation, environmental protection and the like. Generally, the optimum temperature range for use of the battery is 20 ℃ to 45 ℃, and too high or too low temperature may have a bad influence on the performance and life of the battery. In order to enable the electric automobile to run stably and efficiently, the temperature of components such as a power battery and a passenger compartment in the electric automobile needs to be controlled by a novel vehicular thermal management system, so that the power battery and the passenger compartment are both at proper temperature when the electric automobile runs, and the energy consumption is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving the technical problem who exists among the prior art, creatively provide a novel automobile-used thermal management system very much, the heat that produces in can rationally utilizing the automobile to travel.
In order to realize the above purpose of the utility model, the utility model provides a novel vehicle heat management system, which comprises a heat pump air-conditioning subsystem, a battery pack heat exchange subsystem, a warm air subsystem, an electrically driven heat exchange subsystem, a refrigerant heat exchanger, a liquid cooling condenser, a battery pack heat exchanger and a six-way solenoid valve, wherein the heat pump air-conditioning subsystem exchanges heat with the electrically driven heat exchange subsystem, the battery pack heat exchange subsystem and the warm air subsystem respectively through the refrigerant heat exchanger, the battery pack heat exchanger and the liquid cooling condenser;
the heat pump air-conditioning subsystem comprises a compressor, wherein a refrigerant outlet end of the compressor is connected with a first end of a first four-way reversing valve, a second end of the first four-way reversing valve is connected with one end of a first electronic expansion valve, the other end of the first electronic expansion valve is connected with a refrigerant inlet end of a refrigerant heat exchanger, the refrigerant outlet end of the refrigerant heat exchanger is connected with one end of a two-way solenoid valve, one end of a second electronic expansion valve and one end of a third electronic expansion valve, the other end of the second electronic expansion valve is connected with an evaporator refrigerant inlet end, the other end of the two-way solenoid valve is connected with an evaporator refrigerant outlet end, the evaporator refrigerant outlet end is connected with an inlet end of a gas-liquid separator, and an exhaust end of the gas-liquid separator is connected with the inlet end of the compressor refrigerant; the other end of the third electronic expansion valve is connected with a refrigerant inlet end of a battery pack heat exchanger, and a refrigerant outlet end of the battery pack heat exchanger is connected with an inlet end of a gas-liquid separator;
the electrically-driven heat exchange subsystem comprises a motor water pump, wherein the water outlet end of the motor water pump is connected with the water inlet end of a shell of a power and control system of the automobile, the water outlet end of the shell of the power and control system is connected with the first end of a six-way electromagnetic valve, the second end of the six-way electromagnetic valve is connected with the first end of a second four-way proportional valve, the second end of the second four-way proportional valve is connected with the water inlet end of a refrigerant heat exchanger, the water outlet end of the refrigerant heat exchanger is connected with the water inlet end of a radiator, the third end of the second four-way proportional valve is connected with the water inlet end of the radiator, the fourth end of the second four-way proportional valve is connected with the water outlet end of the radiator, and the water outlet end of the radiator is connected with the motor water pump.
In the scheme, the method comprises the following steps: the battery pack heat exchange subsystem comprises a battery water pump, the water outlet end of the battery water pump is connected with the water inlet end of the shell of the battery pack of the automobile, the water outlet end of the shell of the battery pack is connected with the water inlet end of the battery pack heat exchanger, and the water outlet end of the battery pack heat exchanger is connected with the third end of the six-way electromagnetic valve;
the hot air subsystem comprises a hot air water pump, the water inlet end of the hot air water pump is connected with the fourth end of the six-way solenoid valve, the water outlet end of the hot air water pump is connected with the water inlet end of the liquid cooling condenser, the refrigerant inlet end of the liquid cooling condenser is connected with the third end of the first four-way reversing valve, and the refrigerant outlet end of the liquid cooling condenser is connected with the fourth end of the first four-way reversing valve; the water outlet end of the liquid cooling condenser is connected with one end of a PTC heater, the other end of the PTC heater is connected with the first end of a three-way proportional valve, the second end of the three-way proportional valve is connected with the liquid inlet end of a warm air core, the liquid outlet end of the warm air core and the third end of the three-way proportional valve are connected with the fifth end of a six-way electromagnetic valve, and the sixth end of the six-way electromagnetic valve is connected with the water inlet end of a battery water pump.
In the scheme, the method comprises the following steps: the heat sink is equipped with two fans.
In the scheme, the method comprises the following steps: the evaporator and the warm air core body supply air for the passenger compartment through the blower.
In the scheme, the method comprises the following steps: the six-way electromagnetic valve comprises a valve body, wherein a circle of annular flow channels for medium to flow are arranged in the valve body, six medium flow ports communicated with the annular flow channels are uniformly arranged on the valve body at intervals along the circumferential direction, slide valves are arranged on the annular flow channel parts between adjacent medium flow ports, diagonal flow channels are communicated between the six medium flow ports and the opposite medium flow ports, and each diagonal flow channel is also provided with a slide valve;
the slide valve comprises electromagnetic coils arranged at the top of the valve body and valve plates embedded in the valve body, the valve plates are used for blocking the annular flow channels or the diagonal flow channels, vertical slide ways for the valve plates to move up and down are arranged in the valve body, the electromagnetic coils are arranged right above the vertical slide ways, iron cores of the electromagnetic coils stretch into the corresponding vertical slide ways, and the electromagnetic coils are adsorbed to move upwards to open the annular flow channels or the diagonal flow channels.
In the scheme, the method comprises the following steps: solenoid all sets up directly over vertical slide, just solenoid's iron core all stretches into in the vertical slide that corresponds, is convenient for reciprocate through magnetic force adsorption valve block.
In the scheme, the method comprises the following steps: one of the three diagonal flow channels is arranged in a horizontal straight line, the middle parts of the other two diagonal flow channels are bent one above the other to form a three-layer structure staggered up and down, the diagonal flow channels arranged in the horizontal straight line are abducted, the arrangement is reasonable, and the space is saved.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that: can be through realizing cooling public condition, low temperature heat supply operating mode, utmost point low temperature operating mode and defrosting operating mode to satisfy vehicle under the different conditions and its part steady operation promptly, can six-way solenoid valve regulation battery package heat exchange subsystem, warm braw subsystem, electric drive heat exchange subsystem's flow direction and runner, in order to satisfy the rivers adjustment under the different heat exchange operating modes. Meanwhile, heat exchange between the heat pump air-conditioning subsystem and the electrically-driven heat exchange subsystem, between the battery pack heat exchange subsystem and the warm air subsystem is realized through the refrigerant heat exchanger, the battery pack heat exchanger and the liquid cooling condenser, the heat generated when the automobile is started can be reasonably utilized, the energy utilization rate is improved, and the energy consumption is reduced.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a system diagram of the present invention;
FIG. 2 is a system diagram of the system of the present invention under a cooling condition;
FIG. 3 is a system diagram of the system of the present invention during low temperature heating;
FIG. 4 is a system diagram of the system of the present invention under very low temperature conditions;
FIG. 5 is a system diagram of the system of the present invention during defrost conditions;
FIG. 6 is a perspective view of the six-way solenoid valve of the present invention;
FIG. 7 is a front view of FIG. 6;
FIG. 8 is a cross-sectional view taken at B-B of FIG. 7;
FIG. 9 is a top view of FIG. 6;
FIG. 10 isbase:Sub>A cross-sectional view taken at A-A of FIG. 9;
FIG. 11 is a cross-sectional view taken at C-C of FIG. 9;
fig. 12 is a cross-sectional view taken at D-D in fig. 9.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1 to 12, a novel vehicle thermal management system comprises a heat pump air-conditioning subsystem, a battery pack heat exchange subsystem, a warm air subsystem, an electrically-driven heat exchange subsystem, a refrigerant heat exchanger, a liquid-cooled condenser, a battery pack heat exchanger and a six-way solenoid valve, wherein the heat pump air-conditioning subsystem exchanges heat with the electrically-driven heat exchange subsystem, the battery pack heat exchange subsystem and the warm air subsystem respectively through the refrigerant heat exchanger, the battery pack heat exchanger and the liquid-cooled condenser;
the heat pump air-conditioning subsystem comprises a compressor, wherein a refrigerant outlet end of the compressor is connected with a first end of a first four-way reversing valve, a second end of the first four-way reversing valve is connected with one end of a first electronic expansion valve, the other end of the first electronic expansion valve is connected with a refrigerant inlet end of a refrigerant heat exchanger, the refrigerant outlet end of the refrigerant heat exchanger is connected with one end of a two-way solenoid valve, one end of a second electronic expansion valve and one end of a third electronic expansion valve, the other end of the second electronic expansion valve is connected with an evaporator refrigerant inlet end, the other end of the two-way solenoid valve is connected with an evaporator refrigerant outlet end, the evaporator refrigerant outlet end is connected with a gas-liquid separator inlet end, and an exhaust end of the gas-liquid separator is connected with the compressor refrigerant inlet end; the other end of the third electronic expansion valve is connected with a refrigerant inlet end of a battery pack heat exchanger, and a refrigerant outlet end of the battery pack heat exchanger is connected with an inlet end of a gas-liquid separator;
the electrically driven heat exchange subsystem comprises a motor water pump, wherein the water outlet end of the motor water pump is connected with the water inlet end of a shell of a power and control system of the automobile, the water outlet end of the shell of the power and control system is connected with the first end of a six-way electromagnetic valve, the second end of the six-way electromagnetic valve is connected with the first end of a second four-way proportional valve, the second end of the second four-way proportional valve is connected with the water inlet end of a refrigerant heat exchanger, the water outlet end of the refrigerant heat exchanger is connected with the water inlet end of a radiator, the third end of the second four-way proportional valve is connected with the water inlet end of the radiator, the fourth end of the second four-way proportional valve is connected with the water outlet end of the radiator, and the water outlet end of the radiator is connected with the motor water pump.
In the scheme, the method comprises the following steps: the battery pack heat exchange subsystem comprises a battery water pump, the water outlet end of the battery water pump is connected with the water inlet end of the shell of the battery pack of the automobile, the water outlet end of the shell of the battery pack is connected with the water inlet end of the battery pack heat exchanger, and the water outlet end of the battery pack heat exchanger is connected with the third end of the six-way electromagnetic valve;
the warm air subsystem comprises a warm air water pump, the water inlet end of the warm air water pump is connected with the fourth end of the six-way electromagnetic valve, the water outlet end of the warm air water pump is connected with the water inlet end of the liquid cooling condenser, the refrigerant inlet end of the liquid cooling condenser is connected with the third end of the first four-way reversing valve, and the refrigerant outlet end of the liquid cooling condenser is connected with the fourth end of the first four-way reversing valve; the water outlet end of the liquid cooling condenser is connected with one end of a PTC heater, the other end of the PTC heater is connected with the first end of a three-way proportional valve, the second end of the three-way proportional valve is connected with the liquid inlet end of a warm air core, the liquid outlet end of the warm air core and the third end of the three-way proportional valve are connected with the fifth end of a six-way electromagnetic valve, and the sixth end of the six-way electromagnetic valve is connected with the water inlet end of a battery water pump.
Wherein the heat sink is equipped with two fans. The evaporator and the warm air core body supply air for the passenger compartment through the blower.
When the temperature needs to be reduced, the heat pump air-conditioning subsystem, the electric drive heat exchange subsystem and the battery pack heat exchange subsystem are started, the first end of the first four-way reversing valve is communicated with the second end of the first four-way reversing valve, the first end of the second four-way proportional solenoid valve is communicated with the second end of the second four-way proportional solenoid valve, the first end of the six-way solenoid valve is communicated with the second end of the six-way solenoid valve, and the sixth end of the six-way solenoid valve is communicated with the third end of the six-way solenoid valve.
Starting a compressor, compressing a gaseous refrigerant into a high-temperature liquid refrigerant through the compressor, enabling the liquid refrigerant to enter a first end of a first four-way reversing valve, flow to a first electronic expansion valve from a second end of the first four-way reversing valve, flow to a refrigerant heat exchanger through the first electronic expansion valve, and exchange heat with water of an electrically-driven heat exchange subsystem at the refrigerant heat exchanger to form a low-temperature liquid refrigerant; the valve of the first electronic expansion valve is in a fully open state, and the valves of the second electronic expansion valve and the third electronic expansion valve are in a half-open state.
The water of the electrically driven heat exchange subsystem absorbs heat from the refrigerant heat exchanger and then flows to the radiator, and the temperature is reduced through the radiator; water of the electrically driven heat exchange subsystem is cooled from the radiator and then flows to the motor water pump through the pipeline, then circulates to a shell of a power and control system of the automobile through the motor water pump, is cooled for the power and control system of the automobile, and sequentially flows to the second four-way proportional solenoid valve and the refrigerant heat exchanger through the first end and the sixth end of the six-way solenoid valve, so that water circulation is achieved.
The low-temperature liquid refrigerant after heat exchange of the refrigerant heat exchanger is divided by the second electronic expansion valve and the third electronic expansion valve and flows to the evaporator and the battery pack heat exchanger respectively; the low-temperature liquid refrigerant flowing to the evaporator exchanges heat with air, absorbs heat in the air to form low-temperature air, and blows the low-temperature air into the passenger compartment through the air blower to cool the passenger compartment.
The low-temperature liquid refrigerant flowing to the battery pack heat exchanger exchanges heat with the water of the battery pack heat exchange subsystem to absorb the heat of the water of the battery pack heat exchange subsystem and cool the water of the battery pack heat exchange subsystem, and the cooled water of the battery pack heat exchange subsystem flows to the battery water pump through the third end and the sixth end of the six-way electromagnetic valve and is conveyed to the battery pack through the battery water pump to cool the battery pack; and the water of the battery pack heat exchange subsystem after absorbing heat at the battery pack flows to the battery pack heat exchanger again to be cooled, so that water circulation is realized.
If the external temperature is low and heat recovery is needed, the electric drive heat exchange subsystem, the battery pack heat exchange subsystem and the warm air subsystem are started, and pipelines of the electric drive heat exchange subsystem, the battery pack heat exchange subsystem and the warm air subsystem are communicated to form a closed loop.
And the first end of the six-way electromagnetic valve is communicated with the sixth end and the fourth end of the six-way electromagnetic valve, and the third end and the fifth end of the six-way electromagnetic valve are communicated with the second end of the six-way electromagnetic valve, so that the pipelines of the battery pack heat exchange subsystem, the warm air subsystem and the electric drive heat exchange subsystem are communicated to form a loop.
Water of the electric drive heat exchange subsystem is conveyed to a shell of the power and control system through the motor water pump, the shell is cooled for the power and control system, and the water of the electric drive heat exchange subsystem absorbs heat and then flows into pipelines of the battery pack heat exchange subsystem and the warm air subsystem through the six-way electromagnetic valve.
Water entering the pipeline of the battery pack heat exchange subsystem is conveyed to the battery pack shell through the battery water pump to supply heat for the battery pack shell, flows to the third end of the six-way electromagnetic valve through the battery pack heat exchanger, flows to the second end of the six-way electromagnetic valve through the third end of the six-way electromagnetic valve, and returns to the pipeline of the electric drive heat exchange subsystem.
Water entering a pipeline of the warm air subsystem is conveyed to the PTC heater through the warm air water pump and the liquid cooling condenser, is heated through the PTC heater, flows to the warm air core body through the three-way proportional valve to heat air, and is blown into the passenger cabin through the air blower after the air is heated to provide warm air for the passenger cabin, and the water flows to the second end of the six-way valve through the fifth end of the six-way valve after passing through the warm air core body and returns to the pipeline of the electrically-driven heat exchange subsystem.
The water returning to the electric drive heat exchange subsystem sequentially passes through the four-way proportional solenoid valve, enters the radiator for heat dissipation, and then flows to the motor water pump to realize water circulation. When the external temperature is extremely low, the normal running of the vehicle is required to be met, the heat pump air-conditioning subsystem, the electric-drive heat exchange subsystem, the battery pack heat exchange subsystem and the warm air subsystem are started, the evaporator, the second electronic expansion valve and the third electronic expansion valve are closed, and the pipelines of the battery pack heat exchange subsystem and the warm air subsystem are communicated through the six-way electromagnetic valve to form a closed loop.
And the first end of the six-way electromagnetic valve is communicated with the second end of the six-way electromagnetic valve, the third end of the six-way electromagnetic valve is communicated with the fourth end of the six-way electromagnetic valve, and the fifth end of the six-way electromagnetic valve is communicated with the sixth end of the six-way electromagnetic valve, so that the pipelines of the battery pack heat exchange subsystem and the warm air subsystem are communicated to form a closed loop.
The first end of the first four-way reversing valve is communicated with the third end, the fourth end of the first four-way reversing valve is communicated with the second end, a refrigerant of the compressor is compressed and then is subjected to heat exchange through the liquid-cooled condenser, the water of the warm air subsystem is heated through the heat pump air-conditioning subsystem, the refrigerant flows into the first electronic expansion valve and the refrigerant heat exchanger from the fourth end and the second end of the first four-way reversing valve in sequence after passing through the liquid-cooled condenser, the heat of the electrically-driven heat exchange subsystem is absorbed at the refrigerant heat exchanger, and then the refrigerant returns to the compressor through the two-way electromagnetic valve and the gas-liquid separator in sequence.
The water of the warm air subsystem is heated by the liquid cooling condenser and then is continuously heated by the PTC heater, so that energy is saved, the heat of the compressor is utilized to reduce the heat heated by the PTC heater, the water flows into the warm air core body and the fifth end of the six-way electromagnetic valve through the three-way proportional valve, and flows into the battery pack heat exchange subsystem from the fifth end of the six-way electromagnetic valve.
After entering the warm air core body, water heats air, the heated air is blown into the passenger cabin through the blower to heat the interior of the vehicle, and then flows into the battery pack heat exchange subsystem from the fifth end of the six-way electromagnetic valve. After entering the battery pack heat exchange subsystem, water is conveyed to the battery pack shell through the battery water pump to provide heat for the battery pack shell, and then flows into the warm air subsystem through the battery pack heat exchanger and the third end of the six-way electromagnetic valve to realize water circulation. Because the battery package sets up outside the car to the battery package maintains that the required temperature of normal operating is lower, consequently supplies heat to the battery package after for passenger's cabin heat supply earlier, can carry out reasonable application with the heat, improves energy utilization and rates, reduces the energy loss.
Water of the electrically driven heat exchange subsystem absorbs heat at the refrigerant heat exchanger, then is radiated through the radiator, is conveyed to the shell of the power and control system under the action of the motor water pump to exchange heat, reduces the temperature of the power and control system, and then returns to the refrigerant heat exchanger through the six-way electromagnetic valve and the four-way proportional valve in sequence to realize water circulation.
When defrosting is needed, the heat pump air-conditioning subsystem, the electric drive heat exchange subsystem, the battery pack heat exchange subsystem and the warm air subsystem are started, the two-way electromagnetic valve and the third electronic expansion valve are closed, and the six-way electromagnetic valve is used for communicating the pipelines of the battery pack heat exchange subsystem and the warm air subsystem to form a closed loop.
And the first end of the six-way electromagnetic valve is communicated with the second end of the six-way electromagnetic valve, the third end of the six-way electromagnetic valve is communicated with the fourth end of the six-way electromagnetic valve, and the fifth end of the six-way electromagnetic valve is communicated with the sixth end of the six-way electromagnetic valve, so that the pipelines of the battery pack heat exchange subsystem and the warm air subsystem are communicated to form a closed loop.
The first end of the first four-way reversing valve is communicated with the third end, the fourth end of the first four-way reversing valve is communicated with the second end, a refrigerant of the compressor is compressed and then subjected to heat exchange through the liquid-cooled condenser, the water of the warm air subsystem is heated through the heat pump air-conditioning subsystem, the refrigerant flows into the first electronic expansion valve from the fourth end and the second end of the first four-way reversing valve in sequence after passing through the liquid-cooled condenser, the refrigerant is expanded for the first time and then flows into the refrigerant heat exchanger, the heat of the electrically-driven heat exchange subsystem is absorbed at the refrigerant heat exchanger, the refrigerant is expanded for the second time through the second electronic expansion valve and enters the evaporator, the air is dried through the evaporator, the temperature of the air is increased, and the moisture in the evaporated air returns to the compressor through the gas-liquid separator.
After the temperature of water in the warm air subsystem is raised through the liquid cooling condenser, the water is continuously heated through the PTC heater, then the water flows into the warm air core body and the fifth end of the six-way electromagnetic valve through the three-way proportional valve, and flows into the battery pack heat exchange subsystem from the fifth end of the six-way electromagnetic valve.
After water enters the warm air core body, the air is heated, the heated air is blown into a passenger cabin through a blower to heat the interior of a vehicle, and then the heated air flows into the battery pack heat exchange subsystem from the fifth end of the six-way electromagnetic valve.
After entering the battery pack heat exchange subsystem, water is conveyed to the battery pack shell through the battery water pump to provide heat for the battery pack shell, and then flows into the warm air subsystem through the battery pack heat exchanger and the third end of the six-way electromagnetic valve to realize water circulation.
Water of the electrically driven heat exchange subsystem absorbs heat at the refrigerant heat exchanger, then is radiated through the radiator, is conveyed to the shell of the power and control system under the action of the motor water pump to exchange heat, reduces the temperature of the power and control system, and then returns to the refrigerant heat exchanger through the six-way electromagnetic valve and the four-way proportional valve in sequence to realize water circulation.
The six-way electromagnetic valve comprises a valve body 1, and a circle of annular flow channel 4 for medium to flow is arranged in the valve body 1. The valve body 1 is provided with six medium flow ports 3 communicated with the annular flow channel 4 at even intervals along the circumferential direction, wherein the medium flow ports 3 are arranged on the side wall of the valve body 1, and the connection is facilitated. Diagonal flow passages 6 are communicated between the six medium flow openings 3 and the opposite medium flow openings 3, and slide valves are arranged on the annular flow passages 4 between the adjacent medium flow openings 3; a slide valve is also provided in each diagonal flow passage 6.
The spool valves each include an electromagnetic coil 2 disposed on the top of the valve body 1 and a valve sheet 5 embedded in the valve body 1. The valve sheet 5 is used for blocking the annular flow passage 4 or the diagonal flow passage 6. The valve body 1 is internally provided with a vertical slide 9 for the valve block 5 to move up and down, preferably, the bottom of the vertical slide 9 is lower than the bottoms of the diagonal flow channel 6 and the annular flow channel 4, and the length of the vertical slide 9 extending up and down is more than twice of the length of the valve block 5, so that when the valve block 5 moves to the top, the diagonal flow channel 6 and the annular flow channel 4 can be just completely exposed without being blocked. The electromagnetic coils 2 are all arranged right above the vertical slide ways 9, and the iron cores 8 of the electromagnetic coils 2 all extend into the corresponding vertical slide ways 9 and move upwards through the adsorption of the electromagnetic coils 2, so that the annular flow channels 4 or the diagonal flow channels 6 are opened. When the electromagnetic coil 2 is electrified, the corresponding valve plate 5 slides to the position not blocking the flow channel, and when the electromagnetic coil 2 is powered off, the corresponding valve plate 5 slides to the position blocking the flow channel.
Wherein, one of the three diagonal flow channels 6 is arranged in a horizontal straight line, and the middle parts of the other two diagonal flow channels 6 are bent up and down to form a three-layer structure staggered up and down, so as to give way for the diagonal flow channels 6 arranged in the horizontal straight line. Specifically, the bottom of the bent part of the diagonal flow channel 6 bent upward bulges upward, so that the cross section of the diagonal flow channel is in a fan shape; the top of the bent portion of the diagonal flow path 6 bent downward is depressed downward so that the cross section thereof is fan-shaped. The thickness of the valve body 1 is reduced as much as possible, the space is saved, and the structure is compact.
Preferably, the cross-sectional area of each diagonal flow passage 6 is equal to that of the annular flow passage 4, that is, the flow rate and the flow velocity of each flow passage are equal, so that the flow velocity difference caused by the faster speed of a certain flow passage is avoided.
The solenoid coil 2 in the diagonal flow passage 6 is cylindrical, and the solenoid coil 2 in the annular flow passage 4 is rectangular.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. The utility model provides a novel thermal management system for vehicle which characterized in that: the heat pump air-conditioning subsystem exchanges heat with the electrically-driven heat exchange subsystem, the battery pack heat exchange subsystem and the warm air subsystem respectively through the refrigerant heat exchanger, the battery pack heat exchanger and the liquid-cooled condenser;
the heat pump air-conditioning subsystem comprises a compressor, wherein a refrigerant outlet end of the compressor is connected with a first end of a first four-way reversing valve, a second end of the first four-way reversing valve is connected with one end of a first electronic expansion valve, the other end of the first electronic expansion valve is connected with a refrigerant inlet end of a refrigerant heat exchanger, the refrigerant outlet end of the refrigerant heat exchanger is connected with one end of a two-way solenoid valve, one end of a second electronic expansion valve and one end of a third electronic expansion valve, the other end of the second electronic expansion valve is connected with an evaporator refrigerant inlet end, the other end of the two-way solenoid valve is connected with an evaporator refrigerant outlet end, the evaporator refrigerant outlet end is connected with an inlet end of a gas-liquid separator, and an exhaust end of the gas-liquid separator is connected with the inlet end of the compressor refrigerant; the other end of the third electronic expansion valve is connected with a refrigerant inlet end of a battery pack heat exchanger, and a refrigerant outlet end of the battery pack heat exchanger is connected with an inlet end of a gas-liquid separator;
the electrically-driven heat exchange subsystem comprises a motor water pump, wherein the water outlet end of the motor water pump is connected with the water inlet end of a shell of a power and control system of the automobile, the water outlet end of the shell of the power and control system is connected with the first end of a six-way electromagnetic valve, the second end of the six-way electromagnetic valve is connected with the first end of a second four-way proportional valve, the second end of the second four-way proportional valve is connected with the water inlet end of a refrigerant heat exchanger, the water outlet end of the refrigerant heat exchanger is connected with the water inlet end of a radiator, the third end of the second four-way proportional valve is connected with the water inlet end of the radiator, the fourth end of the second four-way proportional valve is connected with the water outlet end of the radiator, and the water outlet end of the radiator is connected with the motor water pump.
2. The novel vehicular thermal management system according to claim 1, wherein: the battery pack heat exchange subsystem comprises a battery water pump, the water outlet end of the battery water pump is connected with the water inlet end of the shell of the battery pack of the automobile, the water outlet end of the shell of the battery pack is connected with the water inlet end of the battery pack heat exchanger, and the water outlet end of the battery pack heat exchanger is connected with the third end of the six-way electromagnetic valve;
the warm air subsystem comprises a warm air water pump, the water inlet end of the warm air water pump is connected with the fourth end of the six-way electromagnetic valve, the water outlet end of the warm air water pump is connected with the water inlet end of the liquid cooling condenser, the refrigerant inlet end of the liquid cooling condenser is connected with the third end of the first four-way reversing valve, and the refrigerant outlet end of the liquid cooling condenser is connected with the fourth end of the first four-way reversing valve; the water outlet end of the liquid cooling condenser is connected with one end of the PTC heater, the other end of the PTC heater is connected with the first end of the three-way proportional valve, the second end of the three-way proportional valve is connected with the liquid inlet end of the warm air core, the liquid outlet end of the warm air core and the third end of the three-way proportional valve are connected with the fifth end of the six-way electromagnetic valve, and the sixth end of the six-way electromagnetic valve is connected with the water inlet end of the battery water pump.
3. The novel vehicular thermal management system according to claim 1, wherein: the heat sink is equipped with two fans.
4. The novel vehicular thermal management system according to claim 1, wherein: the evaporator and the warm air core body supply air for the passenger compartment through the blower.
5. The novel vehicular thermal management system according to claim 1, wherein: the six-way electromagnetic valve comprises a valve body (1), a circle of annular flow channels (4) for medium to flow are arranged in the valve body (1), six medium flow ports (3) communicated with the annular flow channels (4) are uniformly arranged on the valve body (1) at intervals along the circumferential direction, slide valves are arranged on the positions of the annular flow channels (4) between the adjacent medium flow ports (3), diagonal flow channels (6) are communicated between the six medium flow ports (3) and the opposite medium flow ports (3), and each diagonal flow channel (6) is also provided with a slide valve;
the slide valve is characterized in that the slide valve comprises an electromagnetic coil (2) arranged at the top of the valve body (1) and a valve block (5) embedded in the valve body (1), the valve block (5) is used for blocking an annular flow passage (4) or a diagonal flow passage (6), a vertical slide way (9) for enabling the valve block (5) to move up and down is arranged in the valve body (1), and the electromagnetic coil (2) adsorbs the valve block to move up to open the annular flow passage (4) or the diagonal flow passage (6).
6. The novel vehicular thermal management system according to claim 5, wherein: solenoid (2) all set up directly over vertical slide (9), just solenoid's (2) iron core (8) all stretch into in corresponding vertical slide (9).
7. The novel vehicular thermal management system according to claim 5, wherein: one of the three diagonal flow channels (6) is arranged in a horizontal straight line, and the middle parts of the other two diagonal flow channels (6) are bent up and down to form a three-layer structure staggered up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221630368.2U CN217532474U (en) | 2022-06-27 | 2022-06-27 | Novel thermal management system for vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221630368.2U CN217532474U (en) | 2022-06-27 | 2022-06-27 | Novel thermal management system for vehicle |
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| Publication Number | Publication Date |
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| CN217532474U true CN217532474U (en) | 2022-10-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221630368.2U Active CN217532474U (en) | 2022-06-27 | 2022-06-27 | Novel thermal management system for vehicle |
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| Country | Link |
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| CN (1) | CN217532474U (en) |
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