Refrigerant side heat management integrated module and heat management system thereof

Abstract

The utility model discloses a refrigerant side heat management integration module and a heat management system thereof, the heat management integration module comprises a refrigerant side valve plate and a refrigerant side welding plate, the end face of the refrigerant side valve plate is provided with a plurality of flow channel grooves and installation interfaces communicated with the flow channel grooves; the refrigerant side welding plate is welded to the rear end face of the refrigerant side valve plate, the refrigerant side welding plate and the flow channel groove form a refrigerant flow channel, and a multi-way connector communicated with the corresponding refrigerant flow channel is welded to the outer side of the refrigerant side welding plate. A compressor, a gas-liquid separator, a liquid-cooled condenser, a battery cooler, a temperature and pressure sensor, an electronic expansion valve, a one-way valve, an air-cooled condenser and an evaporator are dispersedly mounted on the mounting interface and the multi-way interface; the integrated valve has the advantages that various valves applied to a heat pump air-conditioning system can be integrated together, so that an air-conditioning pipeline in a cabin can be simplified, the weight cost of the pipeline is reduced, the assembly working hours of final assembly are reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal management of automobile air conditioners, in particular to a refrigerant-side thermal management integrated module applied to automobile air conditioners and a thermal management system thereof. Background Art

[0002] With the rapid development of new energy vehicles, the energy efficiency of automotive air-conditioning thermal management systems is becoming increasingly important.

[0003] As a new technology in automobiles, automotive heat pump air conditioning has attracted much attention in the automotive industry and even the world. The heat pump air conditioning system is an important part of the car, which can change the temperature environment in the car to provide drivers and passengers with a good driving experience. The valves used in the existing heat pump air conditioning system include but are not limited to electronic expansion valves, electromagnetic stop valves, one-way valves, gas-liquid separators, temperature and pressure sensors, etc., and the various components are generally arranged in a dispersed manner and installed independently in the pipeline. Such a setting not only leads to a complex piping structure in the heat pump air conditioning system, cumbersome assembly, and heavy weight, which is not conducive to the platform design of the car, but also the design cost of more pipelines is high, the layout is easy to be messy, and it is not easy to maintain later.

[0004] Therefore, how to provide a refrigerant-side thermal management integrated module to simplify the piping of the entire heat pump air-conditioning system, reduce weight costs, reduce assembly hours, improve work efficiency, and rationalize the layout of the air-conditioning piping in the cabin is a technical problem that needs to be solved urgently. Summary of the invention

[0005] The technical problem to be solved by the utility model is to provide a refrigerant-side thermal management integrated module and its thermal management system, which can integrate various components used in the heat pump air-conditioning system, thereby simplifying the air-conditioning piping in the cabin, reducing the piping weight cost, reducing the assembly time, and improving work efficiency.

[0006] The technical solution adopted by the utility model to solve the above-mentioned technical problems is: a refrigerant side thermal management integrated module, characterized in that it includes a refrigerant side valve plate and a refrigerant side welding plate, as well as a compressor, a gas-liquid separator, a liquid-cooled condenser, an air-cooled condenser, a battery cooler, an evaporator, a temperature and pressure sensor, an electronic expansion valve, and a one-way valve. A plurality of flow channel grooves and a plurality of mounting interfaces connected to the flow channel grooves are provided on the end surface of the refrigerant side valve plate. The refrigerant side welding plate is welded to the rear end surface of the refrigerant side valve plate. The refrigerant side welding plate and the flow channel groove form a refrigerant flow channel. A multi-way interface connected to the corresponding refrigerant flow channel is welded on the outer side of the refrigerant side welding plate. The compressor, the gas-liquid separator, the liquid-cooled condenser, the battery cooler, the temperature and pressure sensor, the electronic expansion valve, the one-way valve, the air-cooled condenser, and the evaporator are respectively installed on the mounting interface and the multi-way interface.

[0007] The compressor, the gas-liquid separator, the liquid-cooled condenser, the battery cooler, the temperature and pressure sensor, the electronic expansion valve, and the one-way valve are respectively installed on the installation interface, and the air-cooled condenser and the evaporator are respectively installed on the multi-pass interface. In this structure, the components respectively installed on the installation interface and the multi-pass interface are defined, and a specific installation structure is disclosed.

[0008] The number of the temperature and pressure sensors is three, the number of the electronic expansion valves is six, and the number of the one-way valves is three; the multiple installation interfaces respectively serve as the air intake and exhaust ports of the compressor, the first inlet, the second inlet and the outlet of the gas-liquid separator, the inlet and the outlet of the liquid-cooled condenser, the inlet and the outlet of the battery cooler, the first temperature and pressure sensor, the second temperature and pressure sensor, the third temperature and pressure sensor, the first electronic expansion valve, the second electronic expansion valve, the third electronic expansion valve, the fourth electronic expansion valve, the fifth electronic expansion valve, the sixth electronic expansion valve, the first one-way valve, the second one-way valve, and the third one-way valve installation positions; the multi-way interface includes multiple interface parts, and the multiple interface parts respectively serve as the first inlet, the second inlet and the outlet of the air-cooled condenser, and the connection positions of the inlet and outlet of the evaporator. In this structure, the minimum number of temperature and pressure sensors, electronic expansion valves and one-way valves required for the thermal management integrated module to realize its functions is limited; the role of the installation interface is specifically limited, as well as the role of multiple interface parts, that is, the air-cooled condenser and evaporator are installed on the multi-way interface.

[0009] The plurality of interface parts are connected in sequence by the side wall connecting ribs to form a ring shape, and the inner end surface of the interface part and the inner end surface of the side wall connecting rib are respectively welded and fixed to the outer side of the refrigerant side welding plate. In the specific design, the number of interface parts can be increased or decreased according to actual needs. Since in this embodiment, the plurality of interface parts are respectively used as the first inlet, the second inlet and the outlet of the air-cooled condenser, and the connection positions of the inlet and the outlet of the evaporator, that is, there are five connection positions, that is, the number of interface parts is five, and the multi-pass interface is actually a five-way interface. The multi-pass interface is an integrated part, and the plurality of interface parts are integrated together, so that it can be installed in one time, which improves the work efficiency; in order to improve the structural stability and structural strength of the multi-pass interface, and increase the welding area, so that the welding with the refrigerant side welding plate is more stable, an extension rib can be set on the side wall of part of the interface part, and the inner end surface of the extension rib is welded and fixed to the outer side of the refrigerant side welding plate. Under normal circumstances, a part of the interface part with sufficient space around can be selected to set the extension rib, and one or more extension ribs can be set.

[0010] A jumper pipe is welded to the outside of the refrigerant side welding plate, and the two ends of the jumper pipe are used to connect the two unconnected refrigerant flow channels. In the specific design, the number of jumpers can be increased or decreased according to actual needs, and can be one or more; the two ends of the jumper pipe are used to connect the two unconnected refrigerant flow channels, acting as an external connecting pipe, solving the problem of connecting the two unconnected refrigerant flow channels in a confined space.

[0011] The refrigerant side valve plate is provided with a plurality of mounting brackets, and the end surface of the mounting bracket is provided with a docking groove for easy installation, and the middle part of the bottom surface of the docking groove is provided with a mounting hole. In the specific design, two mounting brackets are generally designed and are located on the same side of the refrigerant side valve plate. Of course, the number of mounting brackets can also be increased according to actual needs. A docking groove is provided on the end surface of each mounting bracket, and the mounting bracket is docked and limited with the cross beam or longitudinal beam of the vehicle body through the docking groove, and a mounting hole is also provided in the middle part of the bottom surface of the docking groove, and the mounting hole is aligned with the connection hole on the cross beam or longitudinal beam of the vehicle body and fixed with fasteners.

[0012] A refrigerant-side thermal management system, characterized in that it includes a refrigerant circulation circuit system, wherein the refrigerant circulation circuit system is composed of a compressor, a gas-liquid separator, a liquid-cooled condenser, an air-cooled condenser, a battery cooler, an evaporator, multiple temperature and pressure sensors, multiple electronic expansion valves, and multiple one-way valves connected by multiple refrigerant flow channels. When the multiple electronic expansion valves and the multiple one-way valves are in different open / closed states, the refrigerant circulation circuit system realizes passenger compartment cooling or battery cooling and passenger compartment cooling or battery cooling or passenger compartment heating or passenger compartment heating and battery cooling.

[0013] The number of the electronic expansion valves is six, the number of the one-way valves is three, the exhaust port of the compressor is connected to the first valve port of the first electronic expansion valve, the first valve port of the second electronic expansion valve, the first valve port of the third electronic expansion valve, and the first valve port of the fourth electronic expansion valve through the refrigerant flow channel, the second valve port of the second electronic expansion valve is connected to the inlet of the liquid-cooled condenser through the refrigerant flow channel, the second valve port of the third electronic expansion valve is connected to the first inlet of the air-cooled condenser through the refrigerant flow channel, the second valve port of the fourth electronic expansion valve is connected to the second inlet of the air-cooled condenser through the refrigerant flow channel, the outlet of the liquid-cooled condenser is connected to the inlet of the first one-way valve through the refrigerant flow channel, the outlet of the air-cooled condenser is connected to the inlet of the second one-way valve through the refrigerant flow channel, the outlet of the first one-way valve and The outlet of the second one-way valve is communicated with the first valve port of the sixth electronic expansion valve through the refrigerant flow channel, the second valve port of the sixth electronic expansion valve is communicated with the inlet of the evaporator through the refrigerant flow channel, the outlet of the evaporator is communicated with the inlet of the third one-way valve through the refrigerant flow channel, the outlet of the third one-way valve is communicated with the outlet of the battery cooler and the first inlet of the gas-liquid separator through the refrigerant flow channel, the inlet of the battery cooler is communicated with the first valve port of the fifth electronic expansion valve through the refrigerant flow channel, the second valve port of the fifth electronic expansion valve is connected to the first valve port of the sixth electronic expansion valve through the refrigerant flow channel, the outlet of the gas-liquid separator is communicated with the suction port of the compressor through the refrigerant flow channel, and the second valve port of the first electronic expansion valve is communicated with the second inlet of the gas-liquid separator through the refrigerant flow channel. In this structure, the specific connection structures of the compressor, gas-liquid separator, liquid-cooled condenser, air-cooled condenser, battery cooler, evaporator, six electronic expansion valves, and three one-way valves are defined, which is a specific structure for realizing all the required functions of the thermal management system.

[0014] The number of the temperature and pressure sensors is three. The first temperature and pressure sensor is arranged on the refrigerant flow path connecting the exhaust port of the compressor and the first valve port of the first electronic expansion valve, the first valve port of the second electronic expansion valve, the first valve port of the third electronic expansion valve, and the first valve port of the fourth electronic expansion valve. The second temperature and pressure sensor is arranged on the refrigerant flow path connecting the outlet of the first one-way valve and the outlet of the second one-way valve and the first valve port of the sixth electronic expansion valve. The third temperature and pressure sensor is arranged on the refrigerant flow path connecting the outlet of the gas-liquid separator and the air intake port of the compressor. In this structure, the connection positions of the three temperature and pressure sensors are limited.

[0015] The refrigerant circulation circuit system realizes the passenger compartment cooling function, and the second electronic expansion valve, the sixth electronic expansion valve, the first one-way valve, and the third one-way valve should be controlled to be opened, or the third electronic expansion valve, the sixth electronic expansion valve, the second one-way valve, and the third one-way valve should be controlled to be opened, or the fourth electronic expansion valve and the second one-way valve should be controlled to be opened, or the second electronic expansion valve, the third electronic expansion valve, the fourth electronic expansion valve, the sixth electronic expansion valve, the first one-way valve, the second one-way valve, and the third one-way valve should be controlled to be opened;

[0016] The refrigerant circulation circuit system realizes battery cooling and passenger compartment cooling, and should control the fourth electronic expansion valve, the fifth electronic expansion valve, the sixth electronic expansion valve, the second one-way valve, and the third one-way valve to be opened, or control the second electronic expansion valve, the third electronic expansion valve, the fourth electronic expansion valve, the fifth electronic expansion valve, the sixth electronic expansion valve, the first one-way valve, the second one-way valve, and the third one-way valve to be opened, or control the third electronic expansion valve, the fifth electronic expansion valve, the sixth electronic expansion valve, the second one-way valve, and the third one-way valve to be opened, or control the second electronic expansion valve, the fifth electronic expansion valve, the sixth electronic expansion valve, the first one-way valve, and the third one-way valve to be opened;

[0017] The refrigerant circulation circuit system realizes battery cooling, and the second electronic expansion valve, the fifth electronic expansion valve, and the first one-way valve should be controlled to be opened, or the third electronic expansion valve, the fifth electronic expansion valve, and the second one-way valve should be controlled to be opened, or the fourth electronic expansion valve, the fifth electronic expansion valve, and the second one-way valve should be controlled to be opened, or the second electronic expansion valve, the third electronic expansion valve, the fourth electronic expansion valve, the fifth electronic expansion valve, the first one-way valve, and the second one-way valve should be controlled to be opened;

[0018] The refrigerant circulation circuit system realizes heating of the passenger compartment, and the first electronic expansion valve, the third electronic expansion valve, the fourth electronic expansion valve, the sixth electronic expansion valve, the second one-way valve, and the third one-way valve should be controlled to be opened, or the first electronic expansion valve, the third electronic expansion valve, the sixth electronic expansion valve, the second one-way valve, and the third one-way valve should be controlled to be opened, or the first electronic expansion valve, the fourth electronic expansion valve, the sixth electronic expansion valve, the second one-way valve, and the third one-way valve should be controlled to be opened, or the first electronic expansion valve, the third electronic expansion valve, the fourth electronic expansion valve, the sixth electronic expansion valve, the second one-way valve, and the third one-way valve should be controlled to be opened;

[0019] The refrigerant circulation circuit system realizes passenger compartment heating and battery cooling, and should control the third electronic expansion valve, the fifth electronic expansion valve, and the second one-way valve to be opened, or control the fourth electronic expansion valve, the fifth electronic expansion valve, and the second one-way valve to be opened, or control the third electronic expansion valve, the fourth electronic expansion valve, the fifth electronic expansion valve, and the second one-way valve to be opened.

[0020] Compared with the prior art, the advantages of the utility model are:

[0021] 1) The thermal management integrated module can integrate various components used in the heat pump air-conditioning system, such as compressor, gas-liquid separator, liquid-cooled condenser, air-cooled condenser, battery cooler, evaporator, temperature and pressure sensor, electronic expansion valve, and one-way valve, onto a refrigerant side valve plate. These components are connected through the refrigerant flow channel to realize the function of the thermal management system, thereby simplifying the air-conditioning pipeline in the passenger compartment, reducing the pipeline weight cost, reducing the assembly time, and improving work efficiency.

[0022] 2) The thermal management system uses refrigerant as a direct cooling medium through a refrigerant circulation loop system to cool the passenger compartment and the battery. As a professional refrigerant, a smaller injection volume can achieve a better cooling effect, which can effectively reduce the weight of the entire thermal management system.

[0023] 3) The overall structure of the thermal management system is relatively simple. It can perform comprehensive thermal management of the passenger compartment and battery only by controlling the switches of multiple electronic expansion valves and multiple one-way valves. It can effectively realize the free switching of multiple modes such as passenger compartment cooling or battery cooling and passenger compartment cooling or battery cooling or passenger compartment heating or passenger compartment heating and battery cooling, etc. It has low cost, simple control and diverse functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a front structural schematic diagram of the refrigerant-side thermal management integrated module of the utility model;

[0025] Figure 2 It is a schematic diagram of the back structure of the refrigerant-side thermal management integrated module of the utility model;

[0026] Figure 3 It is a schematic diagram of the partial decomposition structure of the refrigerant-side thermal management integrated module of the utility model;

[0027] Figure 4 This is a front structural schematic diagram of the refrigerant-side thermal management integrated module of the utility model after all components are removed;

[0028] Figure 5 This is a front view of the refrigerant-side thermal management integrated module of the utility model after all components are removed;

[0029] Figure 6 for Figure 5 AA section view;

[0030] Figure 7 This is a rear view of the refrigerant-side thermal management integrated module of the utility model after all components are removed;

[0031] Figure 8 It is a schematic diagram of the refrigerant side thermal management system of the utility model;

[0032] Fig. 9 This is a connection structure diagram of various components in the refrigerant side thermal management system of the utility model. DETAILED DESCRIPTION

[0033] The present invention is further described below in conjunction with specific embodiments and drawings. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. In addition, it should be understood that after reading the contents of the present invention, those skilled in the art may make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims attached to the present invention.

[0034] Embodiment 1:

[0035] This embodiment proposes a refrigerant side thermal management integrated module, such as Figures 1 to 7 As shown, it includes a refrigerant side valve plate 1 and a refrigerant side welding plate 2, as well as a compressor (not shown in the figure), a gas-liquid separator 4, a liquid-cooled condenser 5, an air-cooled condenser (not shown in the figure), a battery cooler 7, an evaporator (not shown in the figure), a temperature and pressure sensor, an electronic expansion valve, and a one-way valve. The refrigerant side valve plate 1 is die-cast, and the refrigerant side welding plate 2 is integrally formed by stamping. A plurality of flow channel grooves 11 and a plurality of mounting interfaces 12 connected to the flow channel grooves 11 are provided on the end surface of the refrigerant side valve plate 1. The refrigerant side welding plate 2 is welded to the rear end surface of the refrigerant side valve plate 1. The refrigerant side welding plate 2 is connected to the flow channel grooves 11. The groove 11 forms a refrigerant flow channel 13, and a multi-way interface 9 connected to the corresponding refrigerant flow channel 13 is welded on the outer side of the refrigerant side welding plate 2. The compressor, gas-liquid separator 4, liquid-cooled condenser 5, battery cooler 7, temperature and pressure sensor, electronic expansion valve, one-way valve, air-cooled condenser, and evaporator are respectively installed on the installation interface 12 and the multi-way interface 9. Specifically, the compressor, gas-liquid separator 4, liquid-cooled condenser 5, battery cooler 7, temperature and pressure sensor, electronic expansion valve, and one-way valve are respectively installed on the installation interface 12, and the air-cooled condenser and evaporator are respectively installed on the multi-way interface 9.

[0036] In this specific embodiment, the number of temperature and pressure sensors is three, the number of electronic expansion valves is six, and the number of one-way valves is three; multiple installation interfaces 12 respectively serve as the installation position a1 of the air intake port and the installation position a2 of the exhaust port of the compressor, the installation position a31 of the first inlet of the gas-liquid separator 4, the installation position a32 of the second inlet and the installation position a4 of the outlet, the installation position a5 of the inlet of the liquid-cooled condenser 5 and the installation position a6 of the outlet, the installation position a7 of the inlet of the battery cooler 7 and the installation position a8 of the outlet, the installation position a9 of the first temperature and pressure sensor PT1, and the installation position a10 of the second temperature and pressure sensor P1. The installation position a10 of T2, the installation position a11 of the third temperature and pressure sensor PT3, the installation position a12 of the first electronic expansion valve EXV1, the installation position a13 of the second electronic expansion valve EXV2, the installation position a14 of the third electronic expansion valve EXV3, the installation position a15 of the fourth electronic expansion valve EXV4, the installation position a16 of the fifth electronic expansion valve EXV5, the installation position a17 of the sixth electronic expansion valve EXV6, the installation position a18 of the first check valve CV1, the installation position a19 of the second check valve CV2, and the installation position a20 of the third check valve CV3;

[0037] In this specific embodiment, the multi-channel interface 9 includes a plurality of interface parts 91, which are respectively used as the connection position a21 of the first inlet, the connection position a22 of the second inlet, and the connection position a23 of the outlet of the air-cooled condenser, and the connection position a24 of the inlet of the evaporator and the connection position a25 of the outlet 82. In this structure, the minimum number of temperature and pressure sensors, electronic expansion valves, and one-way valves required for the thermal management integrated module to realize its functions is defined; the role of the installation interface 12 is specifically defined, and the role of the plurality of interface parts 91 is specifically defined, that is, the air-cooled condenser and the evaporator are installed on the multi-channel interface 9.

[0038] Furthermore, the plurality of interface portions 91 are connected in sequence through the side wall connecting ribs 92 to form a ring shape, and the inner end surfaces of the interface portions 91 and the inner end surfaces of the side wall connecting ribs 92 are respectively welded and fixed to the outer sides of the refrigerant side welding plate 2 . In the specific design, the number of interface parts 91 can be increased or decreased according to actual needs. In this embodiment, multiple interface parts 91 are respectively used as the connection position a21 of the first inlet, the connection position a22 of the second inlet and the connection position a23 of the outlet of the air-cooled condenser, as well as the connection position a24 of the inlet and the connection position a25 of the outlet of the evaporator, that is to say, there are five connection positions, that is, the number of interface parts 91 is five, and the multi-way interface 9 is actually a five-way interface. The multi-way interface 9 is an integrated part, and multiple interface parts 91 are integrated together, so that they can be installed in one go, which improves work efficiency. In order to improve the structural stability and strength of the multi-way interface 9 and increase the welding area, so that the welding with the refrigerant side welding plate 2 is more stable, an extension rib 93 can be set on the side wall of part of the interface part 91, and the inner end face of the extension rib 93 is welded and fixed to the outer side of the refrigerant side welding plate 2. Under normal circumstances, a part of the interface part 91 with sufficient space around it can be selected to set the extension rib 93, and one or more extension ribs 93 can be set.

[0039] Furthermore, a jumper pipe 14 is welded to the outer side of the refrigerant side welding plate 2, and the two ends of the jumper pipe 14 are used to connect the two unconnected refrigerant flow channels 13. In the specific design, the number of jumper pipes 14 can be increased or decreased according to actual needs, and can be one or more; the two ends of the jumper pipe 14 are used to connect the two unconnected refrigerant flow channels 13, acting as an external connection pipe, solving the problem of connecting the two unconnected refrigerant flow channels 13 in a confined space.

[0040] Furthermore, a plurality of mounting brackets 15 are provided on the refrigerant side valve plate 1, and a docking groove 151 for easy installation is provided on the end surface of the mounting bracket 15, and a mounting hole 152 is provided in the middle of the bottom surface of the docking groove 151. In the specific design, two mounting brackets 15 are generally designed and located on the same side of the refrigerant side valve plate 1. Of course, the number of mounting brackets 15 can also be increased according to actual needs. A docking groove 151 is provided on the end surface of each mounting bracket 15, and the mounting bracket 15 is docked and limited with the cross beam or longitudinal beam of the vehicle body through the docking groove 151, and a mounting hole 152 is also provided in the middle of the bottom surface of the docking groove 151, and the mounting hole 152 is aligned with the connection hole on the cross beam or longitudinal beam of the vehicle body and fixed with fasteners.

[0041] As mentioned above, the welding of the refrigerant side welding plate 2 and the rear end surface of the refrigerant side valve plate 1 is carried out by brazing; the multi-way interface 9 is brazed to the outer side of the refrigerant side welding plate 2 through a brazing sheet 94; the jumper pipe 14 is also brazed to the outer side of the refrigerant side welding plate 2 through a brazing sheet 141; the compressor is responsible for compressing the refrigerant and providing power for the refrigerant circulation circuit system; the gas-liquid separator 4 is used to separate the refrigerant from the compressed oil of the compressor and return the refrigerant to the compressor; the liquid-cooled condenser 5 is responsible for the heat exchange between the refrigerant and the coolant, and the heat exchange carried out in the liquid-cooled condenser 5 is: the gaseous refrigerant condenses into liquid refrigerant to release heat, heats the coolant, and increases the temperature of the coolant; air-cooled condenser; the air-cooled condenser is responsible for the heat exchange between the refrigerant and the cold air; the electronic expansion valve is a two-way electronic expansion valve.

[0042] Embodiment 2:

[0043] This embodiment proposes a refrigerant side thermal management system, such as Figure 8 and Fig. 9 As shown, it includes a refrigerant circulation circuit system S, which is composed of a compressor Comp, a gas-liquid separator 4, a liquid-cooled condenser 5, an air-cooled condenser Aircc, a battery cooler 7, an evaporator Eva, multiple temperature and pressure sensors, multiple electronic expansion valves, and multiple one-way valves connected by multiple refrigerant flow channels 13. When the multiple electronic expansion valves and the multiple one-way valves are in different open / closed states, the refrigerant circulation circuit system S realizes passenger compartment cooling or battery cooling and passenger compartment cooling or battery cooling or passenger compartment heating or passenger compartment heating and battery cooling.

[0044] In this specific embodiment, the number of electronic expansion valves is six, the number of one-way valves is three, the exhaust port 32 of the compressor Comp is connected to the first valve port of the first electronic expansion valve EXV1, the first valve port of the second electronic expansion valve EXV2, the first valve port of the third electronic expansion valve EXV3, and the first valve port of the fourth electronic expansion valve EXV4 through the refrigerant flow channel 13, the second valve port of the second electronic expansion valve EXV2 is connected to the inlet 51 of the liquid-cooled condenser 5 through the refrigerant flow channel 13, and the third valve port of the second electronic expansion valve EXV3 is connected to the inlet 51 of the liquid-cooled condenser 5 through the refrigerant flow channel 13. The second valve port of the electronic expansion valve EXV3 is communicated with the first inlet 61 of the air-cooled condenser Aircc through the refrigerant flow channel 13, the second valve port of the fourth electronic expansion valve EXV4 is communicated with the second inlet 62 of the air-cooled condenser Aircc through the refrigerant flow channel 13, the outlet 52 of the liquid-cooled condenser 5 is communicated with the inlet of the first one-way valve CV1 through the refrigerant flow channel 13, the outlet 63 of the air-cooled condenser Aircc is communicated with the inlet of the second one-way valve CV2 through the refrigerant flow channel 13, the first one-way valve C The outlet of V1 and the outlet of the second one-way valve CV2 are respectively connected to the first valve port of the sixth electronic expansion valve EXV6 through the refrigerant flow channel 13, the second valve port of the sixth electronic expansion valve EXV6 is connected to the inlet 81 of the evaporator Eva through the refrigerant flow channel 13, the outlet 82 of the evaporator Eva is connected to the inlet of the third one-way valve CV3 through the refrigerant flow channel 13, and the outlet of the third one-way valve CV3 is respectively connected to the outlet 71 of the battery cooler 7 and the first inlet of the gas-liquid separator 4 through the refrigerant flow channel 13. 411 is connected, the inlet 72 of the battery cooler 7 is connected to the first valve port of the fifth electronic expansion valve EXV5 through the refrigerant flow channel 13, the second valve port of the fifth electronic expansion valve EXV5 is connected to the first valve port of the sixth electronic expansion valve EXV6 through the refrigerant flow channel 13, the outlet 42 of the gas-liquid separator 4 is connected to the air intake port 31 of the compressor Comp through the refrigerant flow channel 13, and the second valve port of the first electronic expansion valve EXV1 is connected to the second inlet 412 of the gas-liquid separator 4 through the refrigerant flow channel 13. In this structure, the specific connection structure of the compressor Comp, the gas-liquid separator 4, the liquid-cooled condenser 5, the air-cooled condenser Aircc, the battery cooler 7, the evaporator Eva, the six electronic expansion valves, and the three one-way valves is defined, which is a specific structure for realizing all the required functions of the thermal management system.

[0045] Furthermore, there are three temperature and pressure sensors, the first temperature and pressure sensor PT1 is arranged on the refrigerant flow path 13 connecting the exhaust port 32 of the compressor Comp and the first valve port of the first electronic expansion valve EXV1, the first valve port of the second electronic expansion valve EXV2, the first valve port of the third electronic expansion valve EXV3, and the first valve port of the fourth electronic expansion valve EXV4, the second temperature and pressure sensor PT2 is arranged on the refrigerant flow path 13 connecting the outlet of the first check valve CV1 and the outlet of the second check valve CV2 and the first valve port of the sixth electronic expansion valve EXV6, and the third temperature and pressure sensor PT3 is arranged on the refrigerant flow path 13 connecting the outlet 42 of the gas-liquid separator 4 and the suction port 31 of the compressor Comp. In this structure, the connection positions of the three temperature and pressure sensors are defined.

[0046] When the refrigerant circulation circuit system S only needs to realize the passenger compartment cooling function, the second electronic expansion valve EXV2, the sixth electronic expansion valve EXV6, the first check valve CV1, and the third check valve CV3 should be controlled to be open, or the third electronic expansion valve EXV3, the sixth electronic expansion valve EXV6, the second check valve CV2, and the third check valve CV3 should be controlled to be open, or the fourth electronic expansion valve EXV4 and the second check valve CV2 should be controlled to be open, or the second electronic expansion valve EXV2, the third electronic expansion valve EXV3, the fourth electronic expansion valve EXV4, the sixth electronic expansion valve EXV6, the first check valve CV1, the second check valve CV2, and the third check valve CV3 should be controlled to be open. All valves except the opened valves are closed.

[0047] When the refrigerant circulation circuit system S needs to realize battery cooling and passenger compartment cooling at the same time, the 4th electronic expansion valve EXV4, the 5th electronic expansion valve EXV5, the 6th electronic expansion valve EXV6, the 2nd check valve CV2, and the 3rd check valve CV3 should be controlled to be open, or the 2nd electronic expansion valve EXV2, the 3rd electronic expansion valve EXV3, the 4th electronic expansion valve EXV4, the 5th electronic expansion valve EXV5, the 6th electronic expansion valve EXV6, the 1st check valve CV 1. The second one-way valve CV2 and the third one-way valve CV3 are both open, or the third electronic expansion valve EXV3, the fifth electronic expansion valve EXV5, the sixth electronic expansion valve EXV6, the second one-way valve CV2, and the third one-way valve CV3 are all controlled to be open, or the second electronic expansion valve EXV2, the fifth electronic expansion valve EXV5, the sixth electronic expansion valve EXV6, the first one-way valve CV1, and the third one-way valve CV3 are all controlled to be open; except for the opened valves, all other valves are closed.

[0048] When the refrigerant circulation circuit system S only needs to achieve battery cooling, the second electronic expansion valve EXV2, the fifth electronic expansion valve EXV5, and the first one-way valve CV1 should be controlled to be open, or the third electronic expansion valve EXV3, the fifth electronic expansion valve EXV5, and the second one-way valve CV2 should be controlled to be open, or the fourth electronic expansion valve EXV4, the fifth electronic expansion valve EXV5, and the second one-way valve CV2 should be controlled to be open, or the second electronic expansion valve EXV2, the third electronic expansion valve EXV3, the fourth electronic expansion valve EXV4, the fifth electronic expansion valve EXV5, the first one-way valve CV1, and the second one-way valve CV2 should be controlled to be open; except for the open valves, all other valves are closed.

[0049] When the refrigerant circulation circuit system S only needs to achieve passenger compartment heating, the first electronic expansion valve EXV1, the third electronic expansion valve EXV3, the fourth electronic expansion valve EXV4, the sixth electronic expansion valve EXV6, the second check valve CV2, and the third check valve CV3 should be controlled to be open, or the first electronic expansion valve EXV1, the third electronic expansion valve EXV3, the sixth electronic expansion valve EXV6, the second check valve CV2, and the third check valve CV3 should be controlled to be open. All are open, or the 1st electronic expansion valve EXV1, the 4th electronic expansion valve EXV4, the 6th electronic expansion valve EXV6, the 2nd check valve CV2, and the 3rd check valve CV3 are all controlled to be open, or the 1st electronic expansion valve EXV1, the 3rd electronic expansion valve EXV3, the 4th electronic expansion valve EXV4, the 6th electronic expansion valve EXV6, the 2nd check valve CV2, and the 3rd check valve CV3 are all controlled to be open; except for the opened valves, all other valves are closed.

[0050] When the refrigerant circulation circuit system S needs to achieve passenger compartment heating and battery cooling at the same time, the 3rd electronic expansion valve EXV3, the 5th electronic expansion valve EXV5 and the 2nd one-way valve CV2 should be controlled to be open, or the 4th electronic expansion valve EXV4, the 5th electronic expansion valve EXV5 and the 2nd one-way valve CV2 should be controlled to be open, or the 3rd electronic expansion valve EXV3, the 4th electronic expansion valve EXV4, the 5th electronic expansion valve EXV5 and the 2nd one-way valve CV2 should be controlled to be open; all valves except the open valves are closed.

[0051] Table 1 shows the corresponding relationship between opening different valves to realize different functions in the refrigerant circulation circuit system.

[0052] Table 1 Correspondence between opening different valves to achieve different functions in the refrigerant circulation circuit system

[0053]

[0054] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by directional words such as "rear" is usually based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present invention; the directional words "inside and outside" refer to the inside and outside relative to the contour of each component itself.

[0055] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0056] The above is a detailed introduction to a refrigerant-side thermal management integrated module and a thermal management system provided by the present application. Specific embodiments are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the present application and its core ideas. At the same time, for general technicians in this field, according to the ideas of the present application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A refrigerant side thermal management integrated module, characterized in that It includes a refrigerant side valve plate and a refrigerant side welding plate, as well as a compressor, a gas-liquid separator, a liquid-cooled condenser, an air-cooled condenser, a battery cooler, an evaporator, a temperature and pressure sensor, an electronic expansion valve, and a one-way valve. The end surface of the refrigerant side valve plate is provided with a plurality of flow grooves and a plurality of mounting interfaces connected with the flow grooves. The refrigerant side welding plate is welded to the rear end surface of the refrigerant side valve plate. The refrigerant side welding plate and the flow groove form a refrigerant flow channel. The outer side of the refrigerant side welding plate is welded with a multi-way interface connected with the corresponding refrigerant flow channel. The compressor, the gas-liquid separator, the liquid-cooled condenser, the battery cooler, the temperature and pressure sensor, the electronic expansion valve, the one-way valve, the air-cooled condenser, and the evaporator are respectively installed on the mounting interface and the multi-way interface.

2. The refrigerant side thermal management integrated module according to claim 1, characterized in that The compressor, the gas-liquid separator, the liquid-cooled condenser, the battery cooler, the temperature and pressure sensor, the electronic expansion valve, and the one-way valve are respectively installed on the installation interface, and the air-cooled condenser and the evaporator are respectively installed on the multi-way interface.

3. The refrigerant side thermal management integrated module according to claim 2, characterized in that The number of the temperature and pressure sensors is three, the number of the electronic expansion valves is six, and the number of the one-way valves is three; the multiple installation interfaces respectively serve as the air intake and exhaust ports of the compressor, the first inlet, the second inlet and the outlet of the gas-liquid separator, the inlet and the outlet of the liquid-cooled condenser, the inlet and the outlet of the battery cooler, the first temperature and pressure sensor, the second temperature and pressure sensor, the third temperature and pressure sensor, the first electronic expansion valve, the second electronic expansion valve, the third electronic expansion valve, the fourth electronic expansion valve, the fifth electronic expansion valve, the sixth electronic expansion valve, the first one-way valve, the second one-way valve, and the third one-way valve installation positions; the multi-way interface includes multiple interface parts, and the multiple interface parts respectively serve as the first inlet, the second inlet and the outlet of the air-cooled condenser, and the connection positions of the inlet and outlet of the evaporator.

4. The refrigerant side thermal management integrated module according to claim 3, characterized in that The plurality of interface parts are connected in sequence through the side wall connecting ribs to form a ring shape, and the inner end surface of the interface part and the inner end surface of the side wall connecting rib are respectively welded and fixed to the outer side of the refrigerant side welding plate.

5. The refrigerant side thermal management integrated module according to any one of claims 1 to 4, characterized in that A jumper pipe is also welded to the outer side of the refrigerant side welding plate, and the two ends of the jumper pipe are used to connect the two unconnected refrigerant flow channels.

6. The refrigerant side thermal management integrated module according to claim 1, characterized in that A plurality of mounting brackets are arranged on the refrigerant side valve plate, a docking groove for easy installation is provided on the end surface of the mounting bracket, and a mounting hole is provided in the middle of the bottom surface of the docking groove.

7. A refrigerant side thermal management system, characterized in that It includes a refrigerant circulation circuit system, which is composed of a compressor, a gas-liquid separator, a liquid-cooled condenser, an air-cooled condenser, a battery cooler, an evaporator, multiple temperature and pressure sensors, multiple electronic expansion valves, and multiple one-way valves connected by multiple refrigerant flow channels. When the multiple electronic expansion valves and the multiple one-way valves are in different open / closed states, the refrigerant circulation circuit system realizes passenger compartment cooling or battery cooling and passenger compartment cooling or battery cooling or passenger compartment heating or passenger compartment heating and battery cooling.

8. The refrigerant side thermal management system according to claim 7, characterized in that The number of the electronic expansion valves is six, the number of the one-way valves is three, the exhaust port of the compressor is connected to the first valve port of the first electronic expansion valve, the first valve port of the second electronic expansion valve, the first valve port of the third electronic expansion valve, and the first valve port of the fourth electronic expansion valve through the refrigerant flow channel, the second valve port of the second electronic expansion valve is connected to the inlet of the liquid-cooled condenser through the refrigerant flow channel, the second valve port of the third electronic expansion valve is connected to the first inlet of the air-cooled condenser through the refrigerant flow channel, the second valve port of the fourth electronic expansion valve is connected to the second inlet of the air-cooled condenser through the refrigerant flow channel, the outlet of the liquid-cooled condenser is connected to the inlet of the first one-way valve through the refrigerant flow channel, the outlet of the air-cooled condenser is connected to the inlet of the second one-way valve through the refrigerant flow channel, the outlet of the first one-way valve and The outlet of the second one-way valve is communicated with the first valve port of the sixth electronic expansion valve through the refrigerant flow channel, the second valve port of the sixth electronic expansion valve is communicated with the inlet of the evaporator through the refrigerant flow channel, the outlet of the evaporator is communicated with the inlet of the third one-way valve through the refrigerant flow channel, the outlet of the third one-way valve is communicated with the outlet of the battery cooler and the first inlet of the gas-liquid separator through the refrigerant flow channel, the inlet of the battery cooler is communicated with the first valve port of the fifth electronic expansion valve through the refrigerant flow channel, the second valve port of the fifth electronic expansion valve is connected to the first valve port of the sixth electronic expansion valve through the refrigerant flow channel, the outlet of the gas-liquid separator is communicated with the suction port of the compressor through the refrigerant flow channel, and the second valve port of the first electronic expansion valve is communicated with the second inlet of the gas-liquid separator through the refrigerant flow channel.

9. The refrigerant side thermal management system according to claim 8, characterized in that There are three temperature and pressure sensors. The first temperature and pressure sensor is arranged on the refrigerant flow channel connecting the exhaust port of the compressor and the first valve port of the first electronic expansion valve, the first valve port of the second electronic expansion valve, the first valve port of the third electronic expansion valve, and the first valve port of the fourth electronic expansion valve. The second temperature and pressure sensor is arranged on the refrigerant flow channel connecting the outlet of the first one-way valve and the outlet of the second one-way valve and the first valve port of the sixth electronic expansion valve. The third temperature and pressure sensor is arranged on the refrigerant flow channel connecting the outlet of the gas-liquid separator and the suction port of the compressor.

10. The refrigerant side thermal management system according to claim 8 or 9, characterized in that The refrigerant circulation circuit system realizes the passenger compartment cooling function, and the second electronic expansion valve, the sixth electronic expansion valve, the first one-way valve, and the third one-way valve should be controlled to be opened, or the third electronic expansion valve, the sixth electronic expansion valve, the second one-way valve, and the third one-way valve should be controlled to be opened, or the fourth electronic expansion valve and the second one-way valve should be controlled to be opened, or the second electronic expansion valve, the third electronic expansion valve, the fourth electronic expansion valve, the sixth electronic expansion valve, the first one-way valve, the second one-way valve, and the third one-way valve should be controlled to be opened; The refrigerant circulation circuit system realizes battery cooling and passenger compartment cooling, and should control the fourth electronic expansion valve, the fifth electronic expansion valve, the sixth electronic expansion valve, the second one-way valve, and the third one-way valve to be opened, or control the second electronic expansion valve, the third electronic expansion valve, the fourth electronic expansion valve, the fifth electronic expansion valve, the sixth electronic expansion valve, the first one-way valve, the second one-way valve, and the third one-way valve to be opened, or control the third electronic expansion valve, the fifth electronic expansion valve, the sixth electronic expansion valve, the second one-way valve, and the third one-way valve to be opened, or control the second electronic expansion valve, the fifth electronic expansion valve, the sixth electronic expansion valve, the first one-way valve, and the third one-way valve to be opened; The refrigerant circulation circuit system realizes battery cooling, and the second electronic expansion valve, the fifth electronic expansion valve, and the first one-way valve should be controlled to be opened, or the third electronic expansion valve, the fifth electronic expansion valve, and the second one-way valve should be controlled to be opened, or the fourth electronic expansion valve, the fifth electronic expansion valve, and the second one-way valve should be controlled to be opened, or the second electronic expansion valve, the third electronic expansion valve, the fourth electronic expansion valve, the fifth electronic expansion valve, the first one-way valve, and the second one-way valve should be controlled to be opened; The refrigerant circulation circuit system realizes heating of the passenger compartment, and the first electronic expansion valve, the third electronic expansion valve, the fourth electronic expansion valve, the sixth electronic expansion valve, the second one-way valve, and the third one-way valve should be controlled to be opened, or the first electronic expansion valve, the third electronic expansion valve, the sixth electronic expansion valve, the second one-way valve, and the third one-way valve should be controlled to be opened, or the first electronic expansion valve, the fourth electronic expansion valve, the sixth electronic expansion valve, the second one-way valve, and the third one-way valve should be controlled to be opened, or the first electronic expansion valve, the third electronic expansion valve, the fourth electronic expansion valve, the sixth electronic expansion valve, the second one-way valve, and the third one-way valve should be controlled to be opened; The refrigerant circulation circuit system realizes passenger compartment heating and battery cooling, and should control the third electronic expansion valve, the fifth electronic expansion valve, and the second one-way valve to be opened, or control the fourth electronic expansion valve, the fifth electronic expansion valve, and the second one-way valve to be opened, or control the third electronic expansion valve, the fourth electronic expansion valve, the fifth electronic expansion valve, and the second one-way valve to be opened.

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