Thermal management integrated device, thermal management system and automobile

Abstract

The utility model provides a thermal management integration device, thermal management system and automobile, the thermal management integration device includes multiported valve, expansion tank, refrigerant valve seat, condenser, heat exchanger, refrigerant liquid storage tank, multiported valve is equipped with a plurality of external interface towards the front side, the expansion tank is fixed on the upper end of multiported valve front side, the refrigerant valve seat is equipped with a plurality of external interface, the condenser is equipped with a plurality of external interface, the refrigerant valve seat is equipped with a plurality of external interface. Different external interfaces are connected through switching of the multi-way valve to provide cooling liquid for different heat management circulation loops, the refrigerant valve seat is fixed to one side of the multi-way valve and is parallel to the multi-way valve, and a condenser, a heat exchanger and a refrigerant liquid storage tank are integrated on the front side of the refrigerant valve seat; the refrigerant liquid storage tank provides refrigerants for the condenser and the heat exchanger through the refrigerant valve seat. The integrated optimization design is adopted, a circulation loop of cooling liquid is integrated through the multi-way valve, a circulation loop of refrigerant is integrated through the refrigerant valve seat, the function of a heat management system is highly integrated, and the size, weight and cost of the assembly are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile thermal management, in particular to a thermal management integrated device. The utility model also relates to a thermal management system and an automobile. Background Art

[0002] From the perspective of system integration and overall, automotive thermal management coordinates the relationship between the thermal management system and the thermal management object and the entire vehicle, and adopts comprehensive control and system management methods to integrate various components such as the cooling system, lubrication system, and air conditioning system into an effective thermal management system, control and optimize the heat transfer process of the vehicle, ensure the safe and efficient operation of each key component and system, improve management and rationally utilize thermal energy, reduce waste heat emissions, improve energy utilization efficiency, and reduce environmental pollution. Specifically, automotive thermal management is to achieve overall optimization of the automotive thermal management system by controlling the work of subsystems such as the cooling system, heating system, and air conditioning system.

[0003] In existing automotive thermal management devices, water pumps, condensers, heat exchangers, etc. are basically arranged separately and independently, and need to be connected through multiple connecting pipes, control valves and other structures to form a thermal management cycle. The overall layout of the device is not compact, the volume and weight are large, the assembly is troublesome, and the cost is high; in addition, the condenser (refrigerant) circuit and the coolant circuit are arranged separately, resulting in an increase in the number of coolant valves, condenser valves and connecting pipes, further increasing the volume and weight. Utility Model Content

[0004] The utility model aims to provide a thermal management integrated device to overcome the deficiencies in the prior art.

[0005] In order to solve the above technical problems, the technical solution of the utility model is: a thermal management integrated device, including a multi-way valve, an expansion water tank, a refrigerant valve seat, a condenser, a heat exchanger, and a refrigerant storage tank. The multi-way valve is provided with a plurality of external interfaces arranged toward the front side. The expansion water tank is fixed at the upper end of the front side of the multi-way valve, and different external interfaces are connected by switching the multi-way valve to provide coolant for different thermal management circulation loops. The refrigerant valve seat is fixed on one side of the multi-way valve and arranged parallel to the multi-way valve. The front side of the refrigerant valve seat is integrated with a condenser, a heat exchanger and a refrigerant storage tank. The refrigerant storage tank provides refrigerant to the condenser and the heat exchanger through the refrigerant valve seat.

[0006] Furthermore, in the above-mentioned thermal management integrated device, the multi-way valve includes an upper valve body, a lower valve body, a valve disc and an actuator for driving the valve disc to rotate, the valve disc is arranged between the upper valve body and the lower valve body, and a plurality of coolant flow channels are formed between the three, and the valve disc is circumferentially provided with a plurality of flow channel openings, and the position of the flow channel openings can be adjusted by rotating the valve disc to connect different external interfaces and coolant flow channels to form different cooling channels, thereby realizing multi-channel switching.

[0007] Furthermore, in the above-mentioned thermal management integrated device, the upper valve body is provided with four external interfaces, which are respectively the heater water outlet, battery water outlet, radiator water outlet, and motor water inlet arranged clockwise along the outer side of the upper valve body; the lower valve body is also provided with four external interfaces, which are respectively the motor water outlet, heater water inlet, battery water inlet, and radiator water inlet arranged clockwise along the outer side of the lower valve body.

[0008] Furthermore, in the above-mentioned thermal management integrated device, the condenser and the heat exchanger are arranged close to the multi-way valve, the refrigerant storage tank is arranged on the side away from the multi-way valve, the heat exchanger is arranged below the condenser, and the side of the lower valve body of the multi-way valve close to the refrigerant valve seat is provided with a channel plate protruding from the outside of the multi-way valve main valve body, the rear side of the refrigerant valve seat is connected to the channel plate, and the side of the condenser and the heat exchanger extending out of the refrigerant valve seat is connected to the channel plate.

[0009] Furthermore, in the above-mentioned thermal management integrated device, the channel plate is provided with a condenser water inlet and a condenser water outlet connected to the condenser, and a heat exchanger water inlet and a heat exchanger water outlet connected to the heat exchanger, and the condenser water inlet is connected to the motor water inlet, and the condenser water outlet is connected to the motor water outlet.

[0010] Furthermore, in the above-mentioned thermal management integrated device, the rear side of the refrigerant valve seat is provided with inlet and outlet 1 connected to the evaporator and inlet and outlet 2 connected to the air-conditioning compressor. The evaporator, air-conditioning compressor, condenser and heat exchanger are connected through the refrigerant valve seat to form a refrigerant circuit.

[0011] Furthermore, in the above-mentioned integrated thermal management device, the refrigerant valve seat is also provided with a control valve component for controlling the refrigerant circuit and a sensor component for controlling the refrigerant temperature.

[0012] Furthermore, in the above-mentioned thermal management integrated device, a plurality of water pumps are provided on the front side of the multi-way valve, and the plurality of water pumps are arranged below the expansion water tank, including a motor water pump, a battery water pump and a PTC water pump which are arranged in sequence along the circumference of the multi-way valve. The motor water pump, the battery water pump and the PTC water pump are all connected to the coolant flow channel inside the multi-way valve, and the coolant in the expansion water tank is transported to different thermal management circulation loops through the multi-way valve and the water pump.

[0013] The utility model also provides a thermal management system, which includes a battery temperature control subsystem, a motor temperature control subsystem, a cabin air conditioning subsystem and the above-mentioned thermal management integrated device, wherein the battery temperature control subsystem, the motor temperature control subsystem and the cabin air conditioning subsystem form several thermal management modes through the thermal management integrated device.

[0014] The utility model also provides a car, which comprises the thermal management system mentioned above.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model integrates the coolant circulation circuit through the multi-way valve, integrates the refrigerant circulation circuit through the refrigerant valve seat, highly integrates the thermal management system function, reduces the number of connecting pipes, coolant valves, refrigerant valves, etc., reduces the assembly volume, weight and cost by simplifying the component design, and integrates the optimized design to provide the possibility for flexible boundaries and high efficiency, and provides standardized functions; and the pipe openings of the multi-way valve are concentrated, making the customer's pipeline layout simpler, the installation more efficient, and the subsequent maintenance more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a schematic diagram of the structure of the thermal management integrated device of the utility model;

[0018] Figure 2 It is a front view of the thermal management integrated device of the utility model;

[0019] Figure 3 This is a rear view of the thermal management integrated device of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the multi-way valve of the thermal management integrated device of the utility model;

[0021] Figure 5 This is a schematic diagram of the thermal management system of the utility model;

[0022] In the figure: 1. multi-way valve; 11. upper valve body; 12. lower valve body; 13. channel plate; 14. actuator; 111. heater water outlet; 112. battery water outlet; 113. radiator water outlet; 114. motor water inlet; 121. motor water outlet; 122. heater water inlet; 123. battery water inlet; 124. radiator water inlet; 125. condenser water inlet; 126. condenser water outlet; 127. heat exchanger water inlet; 128. heat exchanger water outlet; 2. expansion tank; 3. refrigerant valve seat; 31. inlet and outlet 1; 32. inlet and outlet 2; 4. condenser; 5. heat exchanger; 6. refrigerant liquid storage tank; 7. control valve assembly; 8. sensor assembly; 91. motor water pump; 92. battery water pump; 93. PTC water pump;

[0023] 10. Battery temperature control subsystem; 20. Motor temperature control subsystem; 30. Cabin air conditioning subsystem. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example 1

[0026] like Figure 1-4 As shown, a thermal management integrated device includes a multi-way valve 1, an expansion water tank 2, a refrigerant valve seat 3, a condenser 4, a heat exchanger 5, and a refrigerant storage tank 6. The multi-way valve 1 is provided with a plurality of external interfaces arranged toward the front side. The expansion water tank 2 is fixed at the upper end of the front side of the multi-way valve 1, and different external interfaces are connected by switching the multi-way valve 1 to provide coolant for different thermal management circulation loops. The refrigerant valve seat 3 is fixed at one side of the multi-way valve 1 and is arranged parallel to the multi-way valve 1. The front side of the refrigerant valve seat 3 is integrated with the condenser 4, the heat exchanger 5 and the refrigerant storage tank 6. The refrigerant storage tank 6 provides refrigerant to the condenser 4 and the heat exchanger 5 through the refrigerant valve seat 3, and can also collect excess refrigerant in the refrigerant circuit, serving as a storage tank for the refrigerant. The utility model integrates the main circuit of the coolant circulation circuit through the multi-way valve 1, and integrates the circulation circuit of the refrigerant through the refrigerant valve seat 3, highly integrates the thermal management system function, reduces the number of connecting pipes, coolant valves, refrigerant valves, etc., and achieves cost reduction, volume reduction, and weight reduction; and the overall layout is centralized and simplified, making the customer's pipeline layout simpler, installation more efficient, and subsequent maintenance more convenient. The overall dimensions of the thermal management integrated device of the utility model are: length 450mm x width 245mm x height 260mm, and the total weight is about 10.5kg, which reduces the volume, weight and cost of the assembly.

[0027] In the above structure, if Figure 1-3As shown, the condenser 4 and the heat exchanger 5 are arranged near the multi-way valve 1, the refrigerant storage tank 6 is arranged on the side away from the multi-way valve 1, the heat exchanger 5 is arranged below the condenser 4, and the refrigerant storage tank 6 is arranged near the condenser 4 and the heat exchanger 5, and the three are compactly arranged on the refrigerant valve seat 3; the lower valve body 12 of the multi-way valve 1 is provided with a channel plate 13 protruding from the outside of the main valve body of the multi-way valve 1 on the side close to the refrigerant valve seat 3, the channel plate 13 is integrated with the lower valve body 12, the rear side of the refrigerant valve seat 3 is connected to the channel plate 13, and the side of the condenser 4 and the heat exchanger 5 extending out of the refrigerant valve seat 3 is connected to the channel plate 13, so as to realize the communication between the condenser 4 and the heat exchanger 5 and the coolant circuit. Through the connection between the channel plate 13 and the refrigerant valve seat 3, the interaction of the refrigerant and the coolant on the condenser 4 and the heat exchanger 5 is realized, the arrangement and number of connecting pipes are reduced, and the overall structure is more compact.

[0028] In addition, if Figure 1-3 As shown, the rear side of the refrigerant valve seat 3 is provided with an inlet and outlet 1 31 connected to the evaporator and an inlet and outlet 2 32 connected to the air-conditioning compressor. The evaporator, the air-conditioning compressor, the condenser 4 and the heat exchanger 5 are connected through the refrigerant valve seat 3 to form a refrigerant circuit. The refrigerant valve seat 3 is also provided with a control valve assembly 7 for controlling the refrigerant circuit and a sensor assembly 8 for controlling the refrigerant temperature. The utility model integrates the refrigerant circuit through the refrigerant valve seat 3, which can reduce the number of connecting pipes, coolant valves, refrigerant control valves, etc., and through the sensor assembly, the thermal management control system controls the opening or closing of components such as the compressor, heater, multi-way valve and the control valve on the refrigerant valve seat according to the temperature control requirements of each component, changes the circulation circuit, coordinates heat management, and reduces energy waste.

[0029] Example 2

[0030] Based on the structure of the first embodiment, Figure 1 , 4 As shown, the multi-way valve 1 includes an upper valve body 11, a lower valve body 12, a valve disc and an actuator 14 for driving the valve disc to rotate. The valve disc is arranged between the upper valve body 11 and the lower valve body 12, and a plurality of coolant flow channels are formed between the three. The valve disc is provided with a plurality of flow channel openings in the circumference. By rotating the valve disc, the position of the flow channel openings can be adjusted to connect different external interfaces and coolant flow channels to form different cooling channels, thereby realizing multi-channel switching. The implementation principle of the multi-way valve of the utility model refers to the multi-way valve of the prior art CN115507200B, which will not be described in detail here. The multi-way valve of the utility model does not need to distribute the coolant through the flow channel plate, which reduces the sealing connection between the multi-way valve and the flow channel plate, avoids the risk of leakage, improves reliability, and is more integrated as a whole, which is beneficial to the lightweight of the whole vehicle.

[0031] The utility model multi-way valve position 8-channel valve, such as Figure 2 , 4As shown, the upper valve body 11 is provided with four external interfaces, which are respectively a heater water outlet 111, a battery water outlet 112, a radiator water outlet 113, and a motor water inlet 114 arranged clockwise along the outer side of the upper valve body 11; the lower valve body 12 is also provided with four external interfaces, which are respectively a motor water outlet 121, a heater water inlet 122, a battery water inlet 123, and a radiator water inlet 124 arranged clockwise along the outer side of the lower valve body 12.

[0032] In addition, if Figure 1 , 4 As shown, the channel plate 13 of the multi-way valve 1 is provided with a condenser water inlet 125 and a condenser water outlet 126 connected to the condenser 4, and a heat exchanger water inlet 127 and a heat exchanger water outlet 128 connected to the heat exchanger 5, and the condenser water inlet 125 is connected to the motor water inlet 123, and the condenser water outlet 126 is connected to the motor water outlet 121, which simplifies the design and reduces the number of coolant pipes and control valves. Eight external interfaces are arranged along the outer periphery of the multi-way valve 1 valve body and are all arranged toward the front side; the other two external interfaces (heat exchanger water inlet and heat exchanger water outlet) are arranged at the rear side of the multi-way valve, directly connected to the refrigerant valve seat, and the condenser water inlet 125 and the condenser water outlet 126 are internally connected. The above interfaces are arranged neatly as a whole, making the multi-way valve easy to install, and the pipe openings are concentrated, making the customer's pipeline layout simpler, the installation more efficient, and the subsequent maintenance more convenient.

[0033] The utility model also provides a thermal management system, which includes a battery temperature control subsystem 10, a motor temperature control subsystem 20, a cabin air conditioning subsystem 30 and the above-mentioned thermal management integrated device, wherein the battery temperature control subsystem 10, the motor temperature control subsystem 20, and the cabin air conditioning subsystem 30 form several thermal management modes through the thermal management integrated device. Figure 5As shown, the 10 external interfaces of the multi-way valve 1 are: 1# interface-radiator water inlet 124, 2# interface-motor water outlet 121 / condenser water outlet 126, 3# interface-motor water inlet 114 / condenser water inlet 125, 4# interface-heater water inlet 122, 5# interface-heater water outlet 111, 6# interface-battery water inlet 123, 7# interface-battery water outlet 112, 8# interface-heat exchanger water inlet 127, 9# interface-heat exchanger water outlet 128, 10# interface-radiator water outlet 113. The coolant circuits of the battery temperature control subsystem 10, the motor temperature control subsystem 20, and the cabin air conditioning subsystem 30 are connected through the 10 external interfaces of the multi-way valve, and the refrigerant circuit of the cabin air conditioning subsystem 30 is controlled through the control valve on the refrigerant valve seat 3 and the multi-way valve 1. The thermal management control system of the utility model controls the battery temperature control subsystem, the motor temperature control subsystem, and the cabin air conditioning subsystem through the thermal management integrated device of the utility model according to the temperature control requirements of each component, changes the circulation loop, coordinates heat management, reduces energy waste, reduces the assembly volume, weight and cost by simplifying the component design, and through the formulation of the control strategy of the intelligent electronic thermal management system, the engine can operate within the optimal temperature range under different working conditions. The integrated optimization design provides the possibility for flexible boundaries and high efficiency, and provides standardized functions.

[0034] The utility model also provides a car, which includes the thermal management system described above, and can reduce the layout space of the whole car through the above-mentioned thermal management integrated device, with a compact structure. At the same time, it can reduce the thermal management cycle loop to achieve lightweight, reduce the installation of a large number of installed parts, connecting pipes, etc., and also reduce the overall cost.

[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0036] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A thermal management integrated device, characterized in that: It includes a multi-way valve, an expansion water tank, a refrigerant valve seat, a condenser, a heat exchanger, and a refrigerant storage tank. The multi-way valve is provided with a plurality of external interfaces arranged toward the front side. The expansion water tank is fixed at the upper end of the front side of the multi-way valve, and different external interfaces are connected by switching the multi-way valve to provide coolant for different thermal management circulation loops. The refrigerant valve seat is fixed at one side of the multi-way valve and arranged parallel to the multi-way valve. The front side of the refrigerant valve seat is integrated with a condenser, a heat exchanger and a refrigerant storage tank. The refrigerant storage tank provides refrigerant to the condenser and the heat exchanger through the refrigerant valve seat.

2. The thermal management integrated device according to claim 1, characterized in that: The multi-way valve includes an upper valve body, a lower valve body, a valve disc and an actuator for driving the valve disc to rotate. The valve disc is arranged between the upper valve body and the lower valve body, and a plurality of coolant flow channels are formed between the three. The valve disc is circumferentially provided with a plurality of flow channel openings. By rotating the valve disc, the position of the flow channel openings can be adjusted to connect different external interfaces and coolant flow channels to form different cooling channels, thereby realizing multi-channel switching.

3. The thermal management integrated device according to claim 2, characterized in that: The upper valve body is provided with four external interfaces, which are respectively the heater water outlet, battery water outlet, radiator water outlet, and motor water inlet, which are arranged clockwise along the outer side of the upper valve body; the lower valve body is also provided with four external interfaces, which are respectively the motor water outlet, heater water inlet, battery water inlet, and radiator water inlet, which are arranged clockwise along the outer side of the lower valve body.

4. The thermal management integrated device according to claim 1, characterized in that: The condenser and the heat exchanger are arranged close to the multi-way valve, the refrigerant storage tank is arranged on the side away from the multi-way valve, the heat exchanger is arranged below the condenser, and a channel plate protruding from the outside of the multi-way valve main valve body is provided on the side of the lower valve body of the multi-way valve close to the refrigerant valve seat, the rear side of the refrigerant valve seat is connected to the channel plate, and the side of the condenser and the heat exchanger extending out of the refrigerant valve seat is connected to the channel plate.

5. The thermal management integrated device according to claim 4, characterized in that: The channel plate is provided with a condenser water inlet and a condenser water outlet connected to the condenser, and a heat exchanger water inlet and a heat exchanger water outlet connected to the heat exchanger; and the condenser water inlet is connected to the motor water inlet, and the condenser water outlet is connected to the motor water outlet.

6. The thermal management integrated device according to claim 1 or 4, characterized in that: The rear side of the refrigerant valve seat is provided with an inlet and outlet 1 connected to the evaporator and an inlet and outlet 2 connected to the air-conditioning compressor. The evaporator, the air-conditioning compressor, the condenser and the heat exchanger are connected through the refrigerant valve seat to form a refrigerant circuit.

7. The thermal management integrated device according to claim 6, characterized in that: The refrigerant valve seat is also provided with a control valve component for controlling the refrigerant circuit and a sensor component for controlling the refrigerant temperature.

8. The thermal management integrated device according to claim 1, characterized in that: A plurality of water pumps are also provided on the front side of the multi-way valve. The plurality of water pumps are provided below the expansion water tank, including a motor water pump, a battery water pump and a PTC water pump which are arranged in sequence along the circumference of the multi-way valve. The motor water pump, the battery water pump and the PTC water pump are all connected to the coolant flow channel inside the multi-way valve. The coolant in the expansion water tank is transported to different thermal management circulation loops through the multi-way valve and the water pump.

9. A thermal management system, characterized in that: It includes a battery temperature control subsystem, a motor temperature control subsystem, a cabin air conditioning subsystem and a thermal management integrated device as described in any one of claims 1 to 8, wherein the battery temperature control subsystem, the motor temperature control subsystem and the cabin air conditioning subsystem form several thermal management modes through the thermal management integrated device.

10. An automobile, characterized in that: Comprising the thermal management system of claim 9.

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