Refrigerant assembly, heat management device, heat management system and vehicle

Abstract

The utility model discloses a refrigerant assembly, a heat management device, a heat management system and a vehicle. The refrigerant assembly comprises a compressor, a first refrigerant flow path, a first throttling element and a second refrigerant flow path which are sequentially connected to form a loop, the first refrigerant flow path comprises a first heat exchanger and a gas-liquid separator, and the second refrigerant flow path comprises a second heat exchanger and is provided with a heating assembly; the heating assembly is used for heating the refrigerant in the second refrigerant flow path. According to the refrigerant assembly of the heat management device, the heating assembly can be used for heating the low-pressure side of the refrigerant assembly, the cold state starting pressure building and temperature rising speed of a refrigerant system is optimized, and rapid starting of the refrigerant system is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal management, and in particular to a refrigerant component of a thermal management device, a thermal management device, a thermal management system and a vehicle. Background Art

[0002] A vehicle's thermal management system ensures that temperature-controlled components like the battery pack and motor operate within normal temperature ranges, making it essential to prevent vehicle breakdowns and battery spontaneous combustion. Vehicles experience varying operating conditions, and existing refrigerant components struggle to meet these diverse demands. Utility Model Content

[0003] One purpose of the present invention is to provide a refrigerant component, a thermal management device, a thermal management system and a vehicle.

[0004] According to the refrigerant component of the thermal management device of an embodiment of the present invention, the refrigerant component includes a compressor, a first refrigerant flow path, a first throttling element and a second refrigerant flow path connected in sequence to form a loop, the first refrigerant flow path includes a first heat exchanger and a gas-liquid separator, the second refrigerant flow path includes a second heat exchanger, and the second refrigerant flow path is provided with a heating component, and the heating component is used to heat the refrigerant in the second refrigerant flow path.

[0005] According to the refrigerant component of the thermal management device of the embodiment of the present invention, the heating component can be used to heat the low-pressure side of the refrigerant component, optimize the cold start pressure building and temperature rise rate of the refrigerant system, and realize rapid startup of the refrigerant system.

[0006] In addition, the refrigerant component of the thermal management device according to the above embodiment of the present invention may also have the following additional technical features:

[0007] In some embodiments, the heating assembly includes a first heater disposed on the first heat exchanger.

[0008] In some embodiments, the first heat exchanger includes a plurality of plates distributed in a stacked manner, wherein the first heater is provided at at least one of an end position of the first heat exchanger along a stacking direction and a position between adjacent plates.

[0009] In some embodiments, the first heat exchanger further includes an end plate, which is arranged at the end of the multiple plates along the stacking direction, and the first heater is arranged on the side of the end plate away from the multiple plates, and an insulating medium is provided on the side of the first heater away from the end plate.

[0010] In some embodiments, the heating assembly further includes a second heater disposed in the gas-liquid separator.

[0011] In some embodiments, the second heater is configured to heat the lower space within the gas-liquid separator;

[0012] and / or, the second heater is thermally matched with the housing of the gas-liquid separator;

[0013] And / or, the heating component further includes an electrical connector, which is provided on the outer surface of the gas-liquid separator, and the electrical connector is electrically connected to or electromagnetically inductively matched with the second heater.

[0014] In some embodiments, the gas-liquid separator includes: an outer shell, an upper portion of which is provided with an inlet and an outlet, and an air return pipe, wherein the air return pipe has a first open end, a second open end and a middle section, the first open end is connected to the air outlet, the second open end is connected to the upper space within the outer shell, and at least a portion of the middle section is provided at the lower portion of the outer shell, wherein the second heater is provided on the inner circumferential surface of the lower portion of the outer shell and surrounds the lower portion of the middle section.

[0015] In some embodiments, the heating assembly further includes a third heater, which is disposed in the pipeline between the first throttling element and the first heat exchanger, in the pipeline between the first heat exchanger and the gas-liquid separator, and / or in the pipeline between the gas-liquid separator and the compressor.

[0016] In some embodiments, the refrigerant assembly further includes a second throttling element, one end of the second throttling element is connected to the inlet of the compressor, and the other end of the second throttling element is connected to the outlet of the compressor.

[0017] In some embodiments, the heating assembly is configured to operate when the second throttle element is closed.

[0018] According to an embodiment of the present invention, the thermal management device includes: the refrigerant component of the aforementioned thermal management device; a water side component, the water side component including a first heat exchange flow path and a second heat exchange flow path, the first heat exchange flow path exchanges heat with the first heat exchanger, and the second heat exchange flow path exchanges heat with the second heat exchanger.

[0019] In some embodiments, the first heat exchange flow path includes a first water pump, and the second heat exchange flow path includes a second water pump.

[0020] In some embodiments, the thermal management device also includes a protective cover, the refrigerant component and the water side component are arranged in the protective cover, and the protective cover is provided with a first joint, a second joint, a third joint and a fourth joint, the first joint and the second joint are connected to the first heat exchange flow path, and the third joint and the fourth joint are connected to the second heat exchange flow path.

[0021] According to an embodiment of the present invention, the thermal management system includes: the aforementioned thermal management device; a cooled load connected to the first heat exchange flow path; and a heated load connected to the second heat exchange flow path.

[0022] A vehicle according to an embodiment of the present invention includes: the aforementioned thermal management device; or the aforementioned thermal management system. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 Schematic diagram of a thermal management device according to an embodiment of the present invention.

[0024] Figure 2 It is a schematic diagram of a refrigerant component of a thermal management device according to an embodiment of the present invention.

[0025] Figure 3 It is a schematic diagram of a water side component of a thermal management device according to an embodiment of the present invention.

[0026] Figure 4 This is a refrigerant circuit diagram of the thermal management device of the first embodiment of the present utility model.

[0027] Figure 5 This is a refrigerant circuit diagram of a thermal management device according to the second embodiment of the present invention.

[0028] Figure 6 This is a refrigerant circuit diagram of a thermal management device according to the third embodiment of the present invention.

[0029] Figure 7 This is a refrigerant circuit diagram of a thermal management device according to the fourth embodiment of the present invention.

[0030] Figure 8 It is a schematic diagram of a first heat exchanger integrated with a first heater of a thermal management device according to an embodiment of the present invention.

[0031] Figure 9 yes Figure 8 View from the other direction.

[0032] Figure 10 It is a schematic diagram of a gas-liquid separator integrated with a second heater of a thermal management device according to an embodiment of the present invention.

[0033] Figure 11 yes Figure 10 A cross-sectional view in one direction.

[0034] Figure 12 yes Figure 10 Top view of .

[0035] Figure 13 yes Figure 10 A cross-sectional view from another direction.

[0036] Figure 14 It is a comparison relationship diagram of the startup time t and the exhaust pressure pd of the thermal management device of an embodiment of the utility model (solid line), and a comparison relationship diagram of the startup time t and the exhaust pressure pd of the thermal management device without a heating component (dashed line).

[0037] Reference numerals:

[0038] Thermal management device 100, protective component 10, cover 11, detector 14, refrigerant component 20, compressor 21, refrigerant plate 22, first heat exchanger 231, plate 2311, end plate 2312, second heat exchanger 232, gas-liquid separator 233, shell 2331, inlet 2301, air outlet 2302, return air pipe 2332, first open end 2303, second open end 2304, middle section 2305, first throttling element 234, second throttling element 235, valve device 25, first heater 271, second heater 272, electrical connector 273, water side component 30, kettle 31, water valve 32, water temperature sensor 34, support component 40, integrated control component 50, first water pump 61, second water pump 62, heated load 200, cooled load 300. DETAILED DESCRIPTION

[0039] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0040] like Figures 1 to 7 According to the refrigerant assembly 20 of the thermal management device 100 of the present invention, the refrigerant assembly 20 includes a compressor 21, a first refrigerant flow path, a first throttling element 234, and a second refrigerant flow path, which are sequentially connected in a loop. The first refrigerant flow path includes a first heat exchanger 231 and a gas-liquid separator 233, and the second refrigerant flow path includes a second heat exchanger 232. The second refrigerant flow path is provided with a heating assembly for heating the refrigerant in the second refrigerant flow path. The high-temperature, high-pressure refrigerant pumped by the compressor 21 dissipates heat through the second heat exchanger 232 before flowing to the first throttling element 234. The low-pressure refrigerant after passing through the first throttling element 234 flows to the first heat exchanger 231 and the gas-liquid separator 233 before returning to the compressor 21. The first heat exchanger 231 can be configured to absorb heat from the external environment, but instead be heated by the heating assembly. This can humidify the liquid refrigerant deposited on the low-pressure side and vaporize it, reducing the proportion of low-pressure refrigerant in the system, accelerating the rise of high-pressure exhaust gas, and promoting increases in exhaust and condensing temperatures.

[0041] According to the refrigerant component 20 of the thermal management device 100 of the embodiment of the present invention, the heating component can be used to heat the low-pressure side of the refrigerant component 20, optimize the cold start pressure building and temperature rise rate of the refrigerant system, and realize rapid startup of the refrigerant system.

[0042] Specifically, if Figure 14 , shows a comparison relationship diagram of the startup time t of the thermal management device and the exhaust pressure pd when the heating component is running (solid line); as a comparison, a comparison relationship diagram of the startup time t of the thermal management device without a heating component and the exhaust pressure pd is also shown (dashed line). It can be clearly seen from the accompanying drawings that the exhaust pressure pd of the thermal management device with a heating component in the present application is increased faster, which can facilitate the rapid startup of the thermal management device.

[0043] like Figure 5 In some embodiments, the heating assembly includes a first heater 271 disposed on the first heat exchanger 231. The first heater 271 can be used to heat the refrigerant flowing through the first heat exchanger 231 to reduce the proportion of low-pressure refrigerant.

[0044] like Figure 8 and Figure 9 The first heat exchanger 231 includes a plurality of plates 2311 arranged in a stacked manner, wherein a first heater 271 is disposed at at least one of an end of the first heat exchanger 231 along the stacking direction and a position between adjacent plates 2311. The first heat exchanger 231 may include a first channel, which passes through the plurality of plates 2311. The refrigerant enters the first heat exchanger 231 through the inlet of the first channel and is discharged from the outlet of the first channel. As the refrigerant passes through the first channel, heat is exchanged with the plates 2311. In addition, as the refrigerant passes through the first heat exchanger 231, it may be heated by the first heater 271 disposed in the first heat exchanger 231.

[0045] In addition, the first heat exchanger 231 may further include a third channel, which can exchange heat with the first channel and the plurality of plates 2311. The third channel can be connected to the pump of the water-side assembly 30 and can be connected to the cooled load 300, thereby heating the first heat exchanger 231 and cooling the cooled load 300. In addition, the first heat exchanger 231 can also be heated by the first heater 271.

[0046] Optionally, the first heat exchanger 231 further includes an end plate 2312, which is disposed at an end of the plurality of plates 2311 along the stacking direction. The first heater 271 is disposed on a side of the end plate 2312 facing away from the plurality of plates 2311, and a heat insulating medium is provided on the side of the first heater 271 facing away from the end plate 2312. The heat insulating medium can be used to prevent heat loss from the first heater 271, thereby improving the heating efficiency and power of the first heater 271, the end plate 2312, and the plurality of plates 2311, thereby reducing energy consumption and improving energy utilization.

[0047] In addition, the first heater 271 is disposed between adjacent plates 2311 , and the heat of the first heater 271 can be absorbed by the plates 2311 as much as possible, thereby improving heating efficiency.

[0048] like Figure 6 In some embodiments, the heating component further includes a second heater 272 provided in the gas-liquid separator 233. The second heater 272 can be used to heat the refrigerant in the gas-liquid separator 233. Specifically, when the refrigerant passes through the gas-liquid separator 233, gas-liquid separation will be performed, wherein the gaseous refrigerant will flow from the outlet of the gas-liquid separator 233 to the compressor 21, and the liquid refrigerant will remain in the gas-liquid separator 233. By providing the second heater 272, the liquid refrigerant remaining in the gas-liquid separator 233 can be directly heated, so as to convert at least part of the liquid refrigerant into gaseous refrigerant, thereby increasing the proportion of gaseous refrigerant in the refrigerant system, and thus improving the performance of the thermal management system.

[0049] During the operation of the refrigerant assembly 20, the liquid refrigerant remains in the lower part of the gas-liquid separator 233. Figure 10 and Figure 11 The second heater 272 may be configured to heat the lower space within the gas-liquid separator 233 to improve the heating efficiency and effect of the second heater 272 on the refrigerant.

[0050] Optionally, the second heater 272 cooperates with the outer shell 2331 of the gas-liquid separator 233 to conduct heat. The heat conduction of the outer shell 2331 can be utilized to increase the heating area of ​​the second heater 272, further improving the efficiency and effectiveness of the heating. The second heater 272 can be partially embedded in the outer shell 2331 of the gas-liquid separator 233; or the second heater 272 can be completely embedded in the outer shell 2331 of the gas-liquid separator 233; or the second heater 272 can be located on the outer wall of the outer shell 2331 of the gas-liquid separator 233; or the second heater 272 can be located on the inner wall of the outer shell 2331 of the gas-liquid separator 233.

[0051] As shown in the figure, Figures 10 to 13The heating assembly further includes an electrical connector 273, which is disposed on the outer surface of the gas-liquid separator 233. The electrical connector 273 is electrically connected to or electromagnetically coupled with the second heater 272. The electrical connector 273 can be connected to a power source and a control unit, thereby controlling the heating of the heating assembly and facilitating control of the second heater 272.

[0052] In addition, the second heater 272 can be electrically connected to the electrical connector 273, wherein the second heater 272 can be arranged on the inner wall surface of the outer shell 2331 of the gas-liquid separator 233, and the electrical connector 273 can be arranged on the outer wall surface of the outer shell 2331 of the gas-liquid separator 233. In order to facilitate the electrical connection between the electric connector 273 and the second heater 272, a wire hole can be provided on the wall of the outer shell 2331, and the electric connector 273 can be stacked and connected to the outer wall surface of the outer shell 2331 of the gas-liquid separator 233, and the electric connector 273 and the outer shell 2331 are sealed to facilitate sealing the wire hole.

[0053] like Figure 11 The gas-liquid separator 233 includes a housing 2331, an inlet 2301 and an outlet 2302 provided at the upper portion of the housing 2331. Refrigerant can enter the housing 2331 through the inlet 2301 of the gas-liquid separator 233, undergo gas-liquid separation within the housing 2331, and then be delivered from the outlet 2302. In addition, the gas-liquid separator 233 may further include a return air pipe 2332, which has a first open end 2303, a second open end 2304, and an intermediate section 2305. Refrigerant can enter the return air pipe 2332 through the second open end 2304 and be delivered from the first open end 2303 after passing through the intermediate section 2305. The first open end 2303 is connected to the gas outlet 2302, and the second open end 2304 is connected to the upper space within the shell 2331. After the gas-liquid mixed refrigerant enters the shell 2331 through the inlet 2301, the liquid refrigerant will remain in the shell 2331, while the gaseous refrigerant will enter the return pipe 2332 through the second open end 2304. The gaseous refrigerant entering the return pipe 2332 may carry with it some liquid refrigerant, or the gaseous refrigerant may condense into a liquid state within the return pipe 2332. Therefore, in some embodiments of the present invention, at least a portion of the intermediate section 2305 is disposed at the lower portion of the shell 2331, and the second heater 272 is disposed on the inner circumferential surface of the lower portion of the shell 2331, surrounding the lower portion of the intermediate section 2305. The second heater 272 can heat the external space within the outer shell 2331 and can also heat the lower portion of the middle section 2305 of the return air pipe 2332, which can effectively improve the heating efficiency and performance.

[0054] In some embodiments, the heating assembly further includes a third heater, which is disposed in the pipeline between the first throttling element 234 and the first heat exchanger 231, the pipeline between the first heat exchanger 231 and the gas-liquid separator 233, and / or the pipeline between the gas-liquid separator 233 and the compressor 21. By providing the third heater in the pipeline, the performance of the thermal management device 100 can be further improved.

[0055] In addition, the first heater 271, the second heater 272 and the third heater can be provided separately, or at least two of them can be provided in the refrigerant assembly 20. The first heater 271, the second heater 272 and the third heater can be provided as PTC heaters or other heaters. Figure 7 As shown, the heating assembly includes a first heater 271 provided in the first heat exchanger 231 and a second heater 272 provided in the gas-liquid separator 233 .

[0056] like Figures 4 to 7 In some embodiments, the refrigerant assembly 20 further includes a second throttling element 235, one end of which is connected to the inlet of the compressor 21, and the other end of which is connected to the outlet of the compressor 21. The second throttling element 235 can be used to implement bypass throttling, thereby further improving the performance of the refrigerant assembly 20.

[0057] Optionally, the heating assembly is configured to operate when the second throttling element 235 is turned on, so as to further optimize the performance of the refrigerant assembly 20 .

[0058] like Figures 1 to 7 According to an embodiment of the present invention, a thermal management device 100 includes: the refrigerant assembly 20 of the aforementioned thermal management device 100; and a water-side assembly 30. The water-side assembly 30 includes a first heat exchange path and a second heat exchange path. The first heat exchange path exchanges heat with a first heat exchanger 231, and the second heat exchange path exchanges heat with a second heat exchanger 232. The water-side assembly 30 can be connected to components external to the thermal management device 100. The first heat exchange path can be used to exchange heat with the first heat exchanger 231, and the cooling energy generated by the first heat exchanger 231 can be delivered to a cooled load 300, while the heat generated by the second heat exchanger 232 can be delivered to a heated load 200. This facilitates heat exchange between the first heat exchanger 231 and the second heat exchanger 232 using components external to the first heat exchange path and the second heat exchange path, thereby optimizing the performance of the refrigerant assembly 20 and preventing the performance of the refrigerant assembly 20 from being affected by cooling energy accumulation in the first heat exchanger 231 or heat accumulation in the second heat exchanger 232.

[0059] In some embodiments, such as Figures 4 to 7The first heat exchange flow path includes a first water pump 6133, and the second heat exchange flow path includes a second water pump 6233. The first water pump 6133 and the second water pump 6233 can be used to drive water circulation. In addition, the heating component can be configured to operate when the first heat exchange flow path is disconnected. In other words, when the first heat exchange flow path is not flowing or the first water pump 6133 is not operating, the heating component is used to heat the low-pressure end refrigerant.

[0060] like Figure 1 In some embodiments, the thermal management device 100 further includes a protective cover, within which the refrigerant assembly 20 and the water-side assembly 30 are disposed. The protective cover includes a first connector, a second connector, a third connector, and a fourth connector. The first connector and the second connector connect to the first heat exchange path, while the third connector and the fourth connector connect to the second heat exchange path. The first and second connectors can be used to connect to the cooled load 300, while the third and fourth connectors can be used to connect to the cooled load 300. Providing multiple connectors for connecting to external piping facilitates external piping of the thermal management device 100, facilitates the integrated and modular design of the thermal management device 100, and facilitates installation of the thermal management device 100.

[0061] According to an embodiment of the present invention, the thermal management system includes: the aforementioned thermal management device 100; a cooled load 300, the cooled load 300 being connected to the first heat exchange path; and a heated load 200, the heated load 200 being connected to the second heat exchange path. The water-side component 30 can be connected to components external to the thermal management device 100, wherein the first heat exchange path can be used to exchange heat with the first heat exchanger 231, and the cold energy generated by the first heat exchanger 231 can be sent to the cooled load 300, while the heat generated by the second heat exchanger 232 can be sent to the heated load 200. This allows the components external to the first heat exchange path and the second heat exchange path to be used to exchange heat between the first heat exchanger 231 and the second heat exchanger 232, thereby optimizing the performance of the refrigerant component 20 and preventing the performance of the refrigerant component 20 from being affected by the accumulation of cold energy in the first heat exchanger 231 or the accumulation of heat in the second heat exchanger 232.

[0062] A vehicle according to an embodiment of the present invention includes: the aforementioned thermal management device 100; or the aforementioned thermal management system.

[0063] As before, combined Figures 1 to 14The present invention provides a refrigerant component 20, a thermal management device 100, a thermal management system and a vehicle. The thermal management device 100 may include an integration of at least two components of a water side component 30, a refrigerant component 20, a vibration isolation support component 40, a protection component 10 and an integrated control component 50. Among them, at least one of the low-pressure components of the refrigerant component 20 has a heating component integrated therein, wherein the low-pressure component may include a gas-liquid separator 233 or a first heat exchanger 231 (or a low-pressure evaporator). The heating component integrated in the refrigerant component 20 can directly heat the refrigerant deposited on the low-pressure side, and by promoting the evaporation of the liquid refrigerant, effectively improve the cold start pressure building and temperature rise rate of the refrigerant system, thereby realizing rapid startup of the refrigerant system.

[0064] Among them, Figure 3 The water side assembly 30 includes two or more of the following components: a kettle 31, a flow plate, a water valve 32, a water pump, a water temperature sensor 34, a temperature and pressure sensor, and a heat exchanger. In the water side assembly 30, the kettle 31 component is located at the upper part, and the flow plate is located at the bottom of the kettle 31. It is fixed or sealed relative to the bottom plate of the kettle 31. The kettle 31 includes one or more cavities, and a liquid level sensor for liquid level monitoring can be optionally added. The water valve 32 and the water pump are relatively fixed or sealed relative to the flow plate, and the water valve 32 and the water pump can be located simultaneously or separately on the other four surfaces of the kettle 31 except the upper surface and the bottom surface. The water side interface of the heat exchanger is relatively fixed or sealed relative to the flow plate to ensure that the water side flow channel in the heat exchanger can be connected to the flow channel of the water side assembly 30. The kettle 31, the flow plate, the water valve 32, the water pump, the heat exchanger and the remaining thermal management components of the vehicle together form the entire coolant circuit. Sensors are arranged in some flow channels of the loop to monitor the temperature or pressure of the fluid in these flow channels.

[0065] Among them, the kettle 31 serves as a device for storing and replenishing coolant, while also taking into account the gas-liquid separation function of the return liquid. When the water side circuit is short of water, the coolant can be replenished to the water pump inlet in time. The water valve 32 serves as a flow distribution component. It has an interface for connecting to the flow channel plate, which can realize opening and closing or proportional adjustment in different modes to connect different interfaces to realize different fluid pathways in each mode. There is at least one water pump, for example, including a heating water pump for connecting to the heating circuit, a battery water pump for the battery circuit, or an electric drive water pump for connecting to the electric drive circuit. The water pump serves as a power drive device for the water side flow channel, responsible for providing power to the fluid in the flow channel and driving the fluid to circulate in the flow channel at a certain flow rate. The flow channel plate has flow channels and interfaces for connecting the water valve 32, the water pump, and various temperature control components of the vehicle outside the integrated module to form a circulation flow path. The heat exchanger can realize heat exchange between the coolant and the refrigerant on the refrigerant side to control the temperature of the high and low temperature fluids in the water side flow path, so as to achieve efficient energy comprehensive utilization and improve system performance. The sensor includes at least one, which is installed at the inlet or outlet flow channel of the heat exchanger so as to accurately detect the temperature of the flow channel and thus switch and control the corresponding mode.

[0066] like Figure 2 The refrigerant assembly 20 includes a compressor 21, a gas-liquid separator 233, various heat exchangers, and two or more of the refrigerant flow plate, valve device 25, temperature sensor, pressure sensor and other components.

[0067] In the refrigerant assembly 20, with the compressor 21 as the base, the gas-liquid separator 233, the heat exchanger, the refrigerant flow plate, the valve, and the sensor are all directly or indirectly fixed relative to and sealedly connected to the compressor 21. In the refrigerant assembly 20, with the compressor 21 as the base, the gas-liquid separator 233, the heat exchange assembly, the refrigerant plate 22, the refrigerant valve, and the sensor are all directly or indirectly fixed relative to and sealedly connected to the compressor 21. Flow channels are also provided inside the refrigerant plate 22 and the heat exchange assembly to jointly form an internal flow channel that is not connected to the outside. The heat exchange assembly includes multiple heat exchangers with different functions, such as a cooler Chiller, a heater WCC, a subcooler SC, etc. Sensors are arranged in the upper part of the flow channel of the refrigerant plate 22 to monitor the temperature or pressure of the refrigerant in the required flow channel. The refrigerant plate 22 can be stacked with the flow channel plate. The heat exchange assembly includes a first heat exchanger 231 and a second heat exchanger 232 arranged on opposite sides of the refrigerant plate 22. The first heat exchanger 231 and the second heat exchanger 232 can be stacked on the lower surface of the refrigerant plate 22. The gas-liquid separator 233 can be disposed below the refrigerant plate 22 and between the refrigerant plate 22 and the compressor 21. The first heat exchanger 231 and the second heat exchanger 232 are arranged on opposite sides of the gas-liquid separator 233. The lower end of the gas-liquid separator 233 can be configured to match the shape of the compressor 21.

[0068] In the refrigerant component 20, the electric compressor 21 is used to drive the circulation of the refrigerant, and the change of the refrigerant flow rate of the refrigerant side system can be achieved by adjusting the speed; the gas-liquid separator 233 can be set as a cylindrical or flat cavity container, including an inlet pipe, a return air pipe 2332 with a return oil hole (air outlet 2302), a gas-liquid separation chamber, and an installation and fixing component, which is used to separate the refrigerant after the first heat exchanger 231 into gas and liquid phases, so as to ensure that the return air from the compressor 21 is mostly gaseous refrigerant, with no or only a small amount of liquid, to prevent the compressor 21 from sucking liquid and causing reliability risks such as liquid hammer.

[0069] The heat exchanger assembly includes multiple heat exchangers with different functions, such as a cooler, heater, and subcooler, enabling simultaneous energy exchange between refrigerant and coolant, or between refrigerant and refrigerant. The refrigerant flow plate and heat exchange assembly also have internal flow channels that together form an internal flow channel that is not connected to the outside. Sensors are placed in the flow channels on the upper portion of the refrigerant plate 22 to monitor the status of the refrigerant in the desired flow channel.

[0070] The valve device 25 includes at least one or more of a solenoid valve, an electronic expansion valve, and a one-way valve. The solenoid valve is responsible for opening and closing the flow channel to coordinate the switching of each mode flow path. The electronic expansion valve is responsible for throttling control of the fluid flow and pressure in the flow channel to achieve the temperature requirements in different modes. The one-way valve serves as a control valve for the direction of fluid flow and only allows one-way flow, so as to play a role in preventing backflow in a specific mode and ensure the normal operation of the mode.

[0071] The sensor includes at least one or more of a temperature sensor, a pressure sensor or a temperature-pressure integrated sensor, which is selectively installed at the heat exchanger outlet, the liquid reservoir or the gas-liquid separator 233 inlet 2301 to detect the pressure and temperature of the fluid at the corresponding position.

[0072] The low-pressure component of the refrigerant assembly 20 may include a gas-liquid separator 233 and a first heat exchanger 231, wherein at least one of the gas-liquid separator 233 and the first heat exchanger 231 has a heating component integrated therein. When working in the triangular cycle heating gas bypass mode (the first throttling element 234 is open, and the second throttling element 235 is open), the water system corresponding to the first heat exchanger 231 is not started, and the system does not absorb heat from the external environment. At this time, at least one of the refrigerant heating PTC heat sources in the evaporator or the gas-liquid separator 233 is turned on, which can accelerate the vaporization of the liquid refrigerant deposited in the low-pressure side cavity, reduce the proportion of low-pressure refrigerant in the system, accelerate the establishment of exhaust high pressure, and promote the increase of exhaust temperature and condensation temperature.

[0073] The gas-liquid separator 233 including the second heater 272 has an additional second heater 272 inside the cavity, based on the original conventional gas-liquid separator 233 structure. One side of the second heater 272 is connected to the refrigerant to directly heat the liquid refrigerant in the lower portion, and one side can be connected to the tank body of the gas-liquid separator 233, further increasing the contact area with the refrigerant through heat conduction from the tank wall. At least one electrical connector 273 is added to the outside of the gas-liquid separator 233 for powering the second heater 272. The electrical connector 273 can be located on any outer surface of the gas-liquid separator 233, while ensuring that the refrigerant and refrigeration oil inside and outside the tank body do not leak through the electrolyzer position.

[0074] The first heat exchanger 231 with integrated first heater 271, based on a conventional plate heat exchanger, incorporates a first heater 271 on one or both of its upper and lower end surfaces for refrigerant heating. The first heater 271 is tightly connected to the end plate 2312 via bolts or adhesives. Heat from the first heater 271 is effectively transferred through the end plate 2312 to the plate 2311, further heating the refrigerant within the heat exchanger. All other surfaces of the first heater 271 not in contact with the heat exchanger are insulated from the environment.

[0075] The vehicle's other thermal management components include battery cold plates, electric drive oil coolers, air conditioning boxes, front-end modules, etc.

[0076] The vibration isolation support assembly 40 includes a support frame, a damping pad, and other components. The support frame can be connected to the compressor 21 and the housing 11 to provide support for the compressor 21. The damping pad can cooperate with the support frame and the compressor 21 to provide vibration damping for the compressor 21, thereby reducing vibration transmitted from the compressor 21 to the housing 11 and improving the stability of the thermal management device 100.

[0077] Furthermore, the support assembly 40 is provided between the protective assembly 10 and the cold-side assembly or the refrigerant assembly 20, or the support assembly 40 is provided on the protective assembly 10 for installation on the vehicle body, or the support assembly 40 is installed between the protective assembly 10 and the cold-side assembly or the refrigerant assembly 20, and between the protective assembly 10 and the vehicle body. In this way, during the operation of the vehicle, the support assembly 40 can reduce the impact of vibration on the thermal management device 100 and avoid damage to the thermal management device 100 due to vibration, thereby ensuring the operational stability of the thermal management device 100. Specifically, the support frame provides support for the thermal management cold-side assembly and the refrigerant assembly 20, so that the thermal management device 100 can be fixedly installed on the vehicle body, and the damping pad can absorb the energy of the vibration and reduce the impact of the vibration on the thermal management device 100.

[0078] The protection component 10 includes a protective cover and a detector 14. The protection component 10 can be configured to include a cover 11, a detector 14, a flame retardant medium, a water connector and an electrical connector. The protection component 10 has functions such as flame retardancy, detection and protection. The flame retardant function can be achieved by non-flammable gas, and the flame retardant medium can be carbon dioxide, nitrogen, inert gas or other non-flammable gas. The protection component 10 includes a cover 11, which can integrally wrap the refrigerant component 20 or the entire integrated module. The interior of the cover 11 is filled with a flame retardant medium to prevent the risk of explosion after leakage. The refrigerant component 20 can be configured to be entirely wrapped in the cover 11. One side of the cover 11 can be directly or indirectly connected to the installation angle of the compressor 21 in the refrigerant component 20, and the other side of the cover 11 can be connected to the support component 40. In addition, the cover 11 can be connected to a support frame, and the support frame is used as a base to fix the thermal management device 100 to the vehicle body mounting frame or other fixed position. The detector 14 may include one or more sensors. For example, a detector 14 may be provided for detecting one or more functions such as temperature, pressure, and refrigerant concentration. Through the protective component 10, when a refrigerant leak occurs, the refrigerant leaks into the flame-retardant medium, which can effectively avoid the risk of explosion caused by the contact between the refrigerant and oxygen, thereby achieving ultimate safety while ensuring the compactness of the thermal management system. Electrical connectors and water connectors are sealed and installed on the housing 11. The electrical connector is used to connect the internal electrical components to the external power supply and collection device. The water connector is used to transport the internal refrigerant through the housing 11 to other components of the system. A two-way sealing structure is provided between the electrical connector, water connector, etc. and the housing 11. The two-way sealing structure is used to achieve airtight isolation between the internal cavity of the housing 11 and the external environment. The two-way sealing structure can adopt an integrated casting, injection molding, sintering, and other processes. The electrical connector mainly includes three parts: a pin, a housing 2331, and a sealing connector. The sealing connector has both sealing and insulating effects, ensuring airtightness while protecting the electrical safety of the terminal.

[0079] The integrated control assembly 50 comprises a control panel, a housing, connectors, and two or more components in a wiring harness. This wiring harness connects the integrated control assembly 50 to the water-side assembly 30 and the refrigerant assembly 20, including the compressor 21, pumps, valves, sensors, and other electrical equipment. The central processing unit (CPU) collects data and controls the drive of each subcomponent. Ultimately, the integrated control assembly 50 is connected to one or two unified connectors and connected to the vehicle control system and power module. This achieves integrated refrigerant system integration.

[0080] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0081] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0082] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0083] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0084] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0085] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A refrigerant assembly (20) of a thermal management device (100), characterized in that: The refrigerant component (20) includes a compressor (21), a first refrigerant flow path, a first throttling element (234) and a second refrigerant flow path connected in sequence to form a loop, the first refrigerant flow path includes a first heat exchanger (231) and a gas-liquid separator (233), the second refrigerant flow path includes a second heat exchanger (232), and the second refrigerant flow path is provided with a heating component, which is used to heat the refrigerant in the second refrigerant flow path.

2. The refrigerant assembly (20) according to claim 1, characterized in that The heating assembly includes a first heater (271) provided on the first heat exchanger (231).

3. The refrigerant assembly (20) according to claim 2, characterized in that: The first heat exchanger (231) includes a plurality of plates (2311) distributed in a stacked manner, wherein the first heater (271) is provided at least at one of an end position of the first heat exchanger (231) along a stacking direction and a position between adjacent plates (2311).

4. The refrigerant assembly (20) according to claim 3, characterized in that The first heat exchanger (231) further includes an end plate (2312), wherein the end plate (2312) is provided at the end of the plurality of plates (2311) along the stacking direction, the first heater (271) is provided on a side of the end plate (2312) facing away from the plurality of plates (2311), and a heat insulating medium is provided on a side of the first heater (271) facing away from the end plate (2312).

5. The refrigerant assembly (20) according to any one of claims 1 to 4, characterized in that: The heating component further includes a second heater (272) provided on the gas-liquid separator (233).

6. The refrigerant assembly (20) according to claim 5, characterized in that The second heater (272) is configured to heat the lower space in the gas-liquid separator (233); and / or, the second heater (272) is thermally matched with the housing (2331) of the gas-liquid separator (233); And / or, the heating component further comprises an electrical connector (273), the electrical connector (273) being provided on the outer surface of the gas-liquid separator (233), the electrical connector (273) being electrically connected to or electromagnetically inductively matched with the second heater (272).

7. The refrigerant assembly (20) according to claim 5, characterized in that The gas-liquid separator (233) comprises: A housing (2331), wherein an upper portion of the housing (2331) is provided with an inlet (2301) and an air outlet (2302), An air return pipe (2332), the air return pipe (2332) having a first open end (2303), a second open end (2304) and a middle section (2305), the first open end (2303) being connected to the air outlet (2302), the second open end (2304) being connected to the upper space in the housing (2331), and at least a portion of the middle section (2305) being disposed at the lower portion of the housing (2331). Wherein, the second heater (272) is arranged on the inner circumference of the lower part of the outer shell (2331) and surrounds the lower part of the middle section (2305).

8. The refrigerant assembly (20) according to claim 1, characterized in that The heating assembly further includes a third heater, which is arranged in a pipeline between the first throttling element (234) and the first heat exchanger (231), in a pipeline between the first heat exchanger (231) and the gas-liquid separator (233), and / or in a pipeline between the gas-liquid separator (233) and the compressor (21).

9. The refrigerant assembly (20) according to claim 1, characterized in that The refrigerant assembly (20) further includes a second throttling element (235), one end of which is connected to the inlet of the compressor (21), and the other end of which is connected to the outlet of the compressor (21).

10. The refrigerant assembly (20) according to claim 9, characterized in that: The heating assembly is configured to operate when the second throttle element (235) is turned on.

11. A thermal management device (100), characterized in that: include: A refrigerant assembly (20) of a thermal management device (100) according to any one of claims 1 to 10; A water side component (30) includes a first heat exchange flow path and a second heat exchange flow path, wherein the first heat exchange flow path exchanges heat with the first heat exchanger (231), and the second heat exchange flow path exchanges heat with the second heat exchanger (232).

12. The thermal management device (100) according to claim 11, characterized in that The first heat exchange flow path includes a first water pump (61), and the second heat exchange flow path includes a second water pump (62); And / or, the heating component operates when the first heat exchange flow path is disconnected.

13. The thermal management device (100) according to claim 11, characterized in that The thermal management device (100) further includes a protective cover, wherein the refrigerant component (20) and the water side component (30) are arranged in the protective cover, and the protective cover is provided with a first joint, a second joint, a third joint and a fourth joint, wherein the first joint and the second joint are connected to the first heat exchange flow path, and the third joint and the fourth joint are connected to the second heat exchange flow path.

14. A thermal management system, characterized in that: include: The thermal management device (100) according to any one of claims 11 to 13; A cooled load (300), the cooled load (300) being connected to the first heat exchange flow path; A heated load (200) is connected to the second heat exchange flow path.

15. A vehicle, characterized in that: include: The thermal management device (100) according to any one of claims 11 to 13; or the thermal management system according to claim 14.

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