CN113968122A

CN113968122A - Thermal management assembly

Info

Publication number: CN113968122A
Application number: CN202010712660.8A
Authority: CN
Inventors: 不公告发明人
Original assignee: Zhejiang Sanhua Automotive Components Co Ltd
Current assignee: Zhejiang Sanhua Automotive Components Co Ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2022-01-25

Abstract

A heat management assembly comprises a first assembly, a second assembly and a cooler, and is provided with a plurality of interfaces, a plurality of flow paths and a plurality of working modes, and the structure is compact.

Description

Thermal management assembly

Technical Field

The invention relates to a part of a vehicle thermal management system, in particular to a thermal management assembly.

Background

The vehicle heat management system comprises an air conditioning system, a motor and a component heat management system, and further comprises a battery pack heat management system for the new energy vehicle, the number of parts in the heat management system is large, the connection is complex, the occupied space is large, and under the condition that the functions of the parts are met, the connection relation of all the parts of the system is designed, so that the structure is compact, and the installation is convenient.

Disclosure of Invention

The application aims to provide a heat management assembly which is more compact in structure and convenient to install.

In order to achieve the purpose, the following technical scheme is adopted in the application: a thermal management assembly applicable to a vehicle thermal management system, the thermal management assembly having a first interface, a second interface, and a first flow path between the first interface and the second interface; the heat management assembly comprises a first assembly, refrigerant can pass through the first assembly, the first assembly comprises a first valve device, the first valve device is located in the first flow path, the first valve device has a throttling function, and the first valve device can control the first flow path to be opened and closed and adjust the pressure of the first flow path; the thermal management assembly further comprises a third interface, a connection point, a fourth interface, a fifth interface, a cooler, a second flow path between the third interface and the connection point, a first branch from the connection point to the fourth interface, a second branch from the connection point to the fifth interface, a third branch from the connection point to the cooler, and a bypass path connecting the first flow path and the first branch; the first component further comprises a first switch valve, a second valve device and a third valve device, the first switch valve is located on the first branch, the first switch valve can control the on-off of the first branch, the second valve device is located on the second branch, the second valve device can control the on-off of the second branch and adjust the pressure of the second branch, the third valve device is located on the third branch, the third valve device can control the on-off of the third branch and adjust the pressure of the third branch, the second switch valve is located on the bypass, and the second switch valve can control the on-off of the bypass.

The heat management assembly is provided with the plurality of interfaces and the plurality of channels, and the first assembly is adopted to enable the heat management assembly to be used as a whole, so that the structure is more compact, and the system connection is facilitated.

Drawings

FIG. 1 is a schematic block diagram of the connection of one embodiment of a thermal management assembly;

FIG. 2 is a schematic block diagram of the connection of the thermal management component of FIG. 1 in a first mode of operation;

FIG. 3 is a schematic block diagram of the connection of the thermal management component of FIG. 1 in a second mode of operation;

FIG. 4 is a schematic block diagram of the connection of a third mode of operation of the thermal management component of FIG. 1;

FIG. 5 is a schematic block diagram of a connection of a fourth mode of operation of the thermal management component of FIG. 1;

FIG. 6 is a schematic block diagram of the connection of a fifth mode of operation of the thermal management component of FIG. 1;

FIG. 7 is a schematic perspective view of one orientation of a thermal management assembly;

FIG. 8 is a schematic perspective view of another orientation of the thermal management assembly;

FIG. 9 is a schematic diagram of a first interface of a thermal management assembly;

FIG. 10 is a second interface schematic of a thermal management assembly;

FIG. 11 is a schematic front view of the thermal management assembly of FIG. 7;

fig. 12 is a schematic top view of the heat management assembly of fig. 7.

Detailed Description

The invention will be further described with reference to the following figures and specific examples:

referring to fig. 1 to 12, the thermal management assembly in the present embodiment can be applied to a vehicle thermal management system, the thermal management assembly 100 includes a first assembly, a second assembly and a cooler 101, the first assembly can have a refrigerant flowing therethrough, the second assembly can have a coolant flowing therethrough, the cooler 101 has a first flow passage and a second flow passage, the first flow passage has a refrigerant flowing therethrough, the second flow passage has a coolant flowing therethrough, the first assembly has a first port 1, a second port 2, a third port 3, a fourth port 4, a fifth port 5, a sixth port 6, a seventh port 6 and an eighth port 8; the second component has a ninth interface 9, a tenth interface 10, an eleventh interface 11 and a twelfth interface 12; the first interface 1, the second interface 2, the third interface 3, the fourth interface 4, the fifth interface 5, the sixth interface 6, the seventh interface 7, the eighth interface 8, the ninth interface 9, the tenth interface 101, the eleventh interface 11, and the twelfth interface 12 are used for connecting the thermal management assembly to interfaces of other parts of the thermal management system or interfaces of pipeline pieces.

The thermal management assembly has a first flow path 70, a second flow path 20, a first branch 30, a second branch 40, a third branch 50, and a bypass path 60, the thermal management assembly has a connection point 13, the first flow path 10 is located between the first port 1 and the second port 2, the second flow path 20 is located between the third port 3 and the connection point 13, the first branch 30 is located between the connection point 13 and the fourth port 4, the second branch 40 is located between the connection point 13 and the fifth port 5, the third branch 50 is located between the connection point 13 and the cooler 101, and the bypass path 60 can communicate the first flow path 70, the first branch 30, and the connection point 13.

The first assembly includes a first valve device 91, a second valve device 41, a third valve device 51, a first on-off valve 31, a second on-off valve 61, and a gas-liquid separator 81, the first valve device 91 is located in the first flow path 70, the first valve device 91 has a throttling function and a communicating function, and is capable of controlling the opening and closing of the first flow path 70 and adjusting the pressure of the first flow path 70; the first switch valve 31 is positioned on the first branch 30, the first switch valve 31 can control the on-off of the first branch 30, the second valve device 41 is positioned on the second branch 40, the second valve device 41 can control the on-off of the second branch 40 and adjust the pressure of the second branch 40, the third valve device 51 is positioned on the third branch 50, the third valve device 51 has the throttling function and the communication function, the third valve device 51 can control the on-off of the third branch 50 and adjust the pressure of the third branch 50, the second switch valve 61 is positioned on the bypass 60, and the second switch valve 61 can control the on-off of the bypass 60; the sixth interface 6 and the seventh interface 7 can be connected with an inlet of the gas-liquid separator 81, and the eighth interface 8 is connected with a gas-phase outlet of the gas-liquid separator 81; the first flow passage of the cooler 101 can also be connected to the inlet of the gas-liquid separator 81. In this embodiment, a check valve 107 is further provided between the sixth port 6 and the inlet of the gas-liquid separator 81, so as to prevent the refrigerant from flowing backward to the sixth port 6. The first valve device 91 and the second valve device 41 are both two-way ball valves or a combination of an electronic expansion valve and an electromagnetic switch valve, or the first valve device 91 and the second valve device 41 are one of two-way ball valves or a combination of an electronic expansion valve and an electromagnetic switch valve. The first on-off valve 31 and/or the second on-off valve 61 is an electromagnetic on-off valve, which is a normally open valve or a normally closed valve, and the opening and closing of the electromagnetic on-off valve is controlled by a drive unit.

The second assembly includes a pump device 102 and a three-way valve 103, the pump device 102 can drive the cooling liquid to circulate, the three-way valve 103 can control the cooling liquid to pass through or not pass through the second flow passage of the cooler 101 (the ninth port 9 and the tenth port 10 are communicated with the three-way valve 103, the eleventh port 11 and the twelfth port 12 are communicated with the pump device 102, the outlet of the second flow passage of the cooler 101 can be communicated with the pump device 102, and the outlet of the three-way valve 103 can be communicated with the inlet of the second flow passage of the cooler 101.

The operation mode of the thermal management assembly is described with reference to fig. 2 to 7, in which fig. 2 illustrates a first operation mode of the thermal management assembly, in which the first flow path 70 is communicated, the first valve device 91 is in a throttling state, the second flow path 20 is communicated with the first branch path 30 and the second branch path 40, the first switch valve 31 is in an open state, the second valve device 41 is in a throttling state, and the sixth port 6 and the seventh port 7 are connected to the inlet of the gas-liquid separator 81; the second switching valve 61 is in a closed state, and the third valve device 51 is in a closed state; the three-way valve 103 is controlled so that the cooling liquid does not enter the cooler 101, and the ninth port 9, the tenth port 10, the eleventh port 11, and the twelfth port 12 are all in an operating state.

Fig. 3 shows a second mode of operation of the thermal management assembly, in which the first port 11 communicates with the second branch 40 and the third branch 50 via the bypass passage 60, the second valve device 41 and the third valve device 51 are in a throttled state, the outlet of the first flow path of the cooler 101 and the seventh port 7 communicate with the inlet of the gas-liquid separator 81, the outlet of the second flow path of the cooler 101 communicates with the twelfth port 12 via the pump device 102, and the ninth port 9 communicates with the inlet of the second flow path of the cooler 101 via the three-way valve 103; the first valve device 91 is in the closed state, the third port 3 is not connected, the first switching valve 31 is in the closed state, and the tenth port 10 and the eleventh port 11 are not connected.

In figure 4 there is shown a third mode of operation of the thermal management assembly in which the first flow path 70 is in communication, the first valve means 11 is in a throttled state, the second flow path 20 is in communication with the third branch 50, the third valve means 51 is in a throttled state, and the outlet of the first flow path of the cooler 101 is in communication with the inlet of the gas-liquid separator 81; by controlling the three-way valve 103, the cooling liquid does not enter the cooler 101; the ninth interface 9, the tenth interface 10, the eleventh interface 11 and the twelfth interface 12 are all in an operating state.

Fig. 5 shows a fourth operating mode of the thermal management assembly, in which the first port 11 communicates with the first branch 30 and the third branch 50 via the bypass passage 60, the first switching valve 31 and the second switching valve 61 are in an open state, the third valve device 51 is in a throttled state, the outlet of the first flow passage of the cooler 101 and the sixth port 6 communicate with the inlet of the gas-liquid separator 81, the outlet of the second flow passage of the cooler communicates with the twelfth port 12 via the pump device 102, and the ninth port 9 communicates with the inlet of the second flow passage of the cooler 101 via the three-way valve 103; the first valve device 91 is in the closed state, the third port 3 is not connected, the second valve device 41 is in the closed state, and the tenth port 10 and the eleventh port 11 are not connected.

In fig. 6, the thermal management assembly is shown in a fifth mode of operation, in which the first flow path 70 is in communication, the first valve means 91 is in a throttled state, the second flow path 20 is in communication with the third branch 50, the second valve means 41 is in a throttled state, and the outlet of the first flow path of the cooler 101 is in communication with the inlet of the gas-liquid separator 81; the sixth interface 6, the seventh interface 7, the ninth interface 9, the tenth interface 10, the eleventh interface 11, and the twelfth interface 12 are all in the inactive state.

Fig. 7 to 12 are schematic structural views of a thermal management assembly including a first valve device 91, a second valve device 41, a third valve device 51, a first switching valve 31, a second switching valve 61, and a gas-liquid separator 81, a cooler 101, and a second assembly including a pump device 102 and a three-way valve 103; the above first module and cooler 101 is connected to the gas-liquid separator 81 and located on one side of the gas-liquid separator 81, and the second module is assembled with the gas-liquid separator 81 and located on the other side of the gas-liquid separator 81, for example, in fig. 7, the first module and cooler 101 is located on the right side of the gas-liquid separator 81, and the second module is located on the left side of the gas-liquid separator 81.

Referring to fig. 7 and 8, the thermal management assembly further includes a communication portion 105 and a bracket 106, the communication portion 105 having an opening (not shown) through which the internal components of the first assembly can communicate when communication is desired; in the present embodiment, the first valve device 91, the second valve device 41, the third valve device 51, the first open/close valve 31, the second open/close valve 61, and the gas-liquid separator 81 are assembled to the communicating portion 105, the communicating portion 105 may be formed by shaping a profile, and the gas-liquid separator 81 and the cooler 101 are connected by the bracket 106; the pump device 102 and the three-way valve 103 are connected with the bracket 106, the heat management assembly further comprises more than two connecting pipes 107, and a second flow passage of the cooler is communicated with the pump device 102 and the three-way valve 103 through the connecting pipes 107; in this way, the structural connection between both sides of the gas-liquid separator 80 is achieved while ensuring that the dimension of the thermal management module in the width direction is as small as possible, but it is needless to say that the connection pipe 107 may be flattened in the width direction to further reduce the dimension in the width direction, and in fig. 7 and 11, the arrow direction in the drawing is the width direction, and in fig. 11, the width is denoted by W, the height is denoted by H, and the length is denoted by L.

Referring to fig. 9 and 10, the first component has a first interface 1, a second interface 2, a third interface 3, a fourth interface 4, a fifth interface 5, a sixth interface 6, a seventh interface 6, and an eighth interface 8; the second assembly is provided with a ninth port 9, a tenth port 10, an eleventh port 11 and a twelfth port 12, wherein the ninth port 9 and the tenth port 10 are communicated with a three-way valve 103, the eleventh port 11 and the twelfth port 12 are communicated with a pump device 102, and the ninth port 9, the tenth port 10, the eleventh port 11 and the twelfth port 12 are in the same direction and are far away from the gas-liquid separator 81; the interface of the portion of the first component is positioned on top of the thermal management component and the interface of the portion of the first component is oriented opposite the interface of the second component such that the interface is oriented opposite the component to which the thermal management system is to be attached, facilitating installation.

It should be noted that: although the present invention has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the present invention may be modified and equivalents may be substituted for those skilled in the art, and all technical solutions and modifications that do not depart from the spirit and scope of the present invention should be covered by the claims of the present invention.

Claims

1. A thermal management assembly applicable to a vehicle thermal management system, the thermal management assembly having a first interface, a second interface, and a first flow path between the first interface and the second interface; the heat management assembly comprises a first assembly, refrigerant can pass through the first assembly, the first assembly comprises a first valve device, the first valve device is located in the first flow path, the first valve device has a throttling function, and the first valve device can control the first flow path to be opened and closed and adjust the pressure of the first flow path; the thermal management assembly further comprises a third interface, a connection point, a fourth interface, a fifth interface, a cooler, a second flow path between the third interface and the connection point, a first branch from the connection point to the fourth interface, a second branch from the connection point to the fifth interface, a third branch from the connection point to the cooler, and a bypass path connecting the first flow path and the first branch; the first assembly further comprises a first switch valve, a second valve device and a third valve device, the first switch valve is located on the first branch, the first switch valve can control the on-off of the first branch, the second valve device is located on the second branch, the second valve device can control the on-off of the second branch and adjust the pressure of the second branch, the third valve device is located on the third branch, the third valve device can control the on-off of the third branch and adjust the pressure of the third branch, the second switch valve is located on the bypass, and the second switch valve can control the on-off of the bypass.

2. The thermal management assembly of claim 1, wherein: the cooler is internally provided with a first flow passage and a second flow passage, working media of the two flow passages can exchange heat in the cooler, and the third branch is communicated with the first flow passage; the heat management assembly further includes a second assembly through which the coolant can pass, the second assembly including a pump device capable of driving the circulation of the coolant and a three-way valve capable of controlling the passage or non-passage of the coolant through the second flow passage of the cooler.

3. The thermal management assembly of claim 2, wherein: the first assembly further comprises a gas-liquid separator, the first assembly and the cooler are assembled with the gas-liquid separator and located on one side of the gas-liquid separator, the second assembly is assembled with the gas-liquid separator and located on the other side of the gas-liquid separator, the heat management assembly is provided with a sixth interface, a seventh interface and an eighth interface, the sixth interface and the seventh interface can be communicated with an inlet of the gas-liquid separator, and the eighth interface can be communicated with an outlet of the gas-liquid separator.

4. The thermal management assembly of claim 3, wherein: the first valve device and the second valve device are both two-way ball valves or a combination of an electronic expansion valve and an electromagnetic switch valve, or the first valve device and the second valve device are one of the two-way ball valves or the combination of the electronic expansion valve and the electromagnetic switch valve.

5. The thermal management assembly of claim 4, wherein: the first switch valve and/or the second switch valve are/is an electromagnetic switch valve, the electromagnetic switch valve is a normally open valve or a normally closed valve, and the opening and closing of the electromagnetic switch valve are controlled by a driving part.

6. The thermal management assembly of any of claims 3-5, wherein: the second assembly is provided with a ninth port, a tenth port, an eleventh port and a twelfth port, the ninth port and the tenth port are communicated with the three-way valve, the eleventh port and the twelfth port are communicated with the pump device, and the ninth port, the tenth port, the eleventh port and the twelfth port are in the same direction and are far away from the gas-liquid separator; the interface of the first component faces partially upwards, and the interface of the first component faces partially oppositely to the interface of the second component.

7. The thermal management assembly of claim 6, wherein: the heat management assembly further comprises a communicating part, the communicating part is provided with a hole, and the internal parts of the first assembly are communicated through the hole.

8. The thermal management assembly of claim 7, wherein: the first valve device, the second valve device, the third valve device, the first switch valve, the second switch valve, and the gas-liquid separator are assembled with the communicating portion, and the gas-liquid separator is connected with the cooler through a bracket.

9. The thermal management assembly of claim 8, wherein: the pump device and the three-way valve are connected with the bracket, the heat management assembly comprises a connecting pipe, and a second flow passage of the cooler is communicated with the pump device and the three-way valve through the connecting pipe.