All-in-one control device and thermal management system

Abstract

The utility model belongs to the technical field of vehicle thermal management, and discloses an all-in-one control device and a thermal management system.The all-in-one control device comprises a controller body, a compressor and a heater, a first interface of the controller body is electrically connected to an expansion valve, and a second interface of the controller body is electrically connected to a water pump; the controller body can control the water pump to work and output high-voltage electricity or low-voltage electricity to supply power to the water pump and can also control the expansion valve to work and output low-voltage electricity to supply power to the expansion valve, the compressor and the controller body are integrated, the heater and the controller body are integrated, and the compressor and the heater are both electrically connected with the controller body. The controller body can control the compressor and the heater to work and output high-voltage electricity to supply power to the compressor and the heater, so that not only can a single device be controlled to work, but also all devices can be controlled to work at the same time, the cost of the controller is reduced, the total weight and occupied space of the thermal management system are reduced, the number of connecting wire harnesses and connectors can be reduced, and the integration level is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle thermal management, in particular to an all-in-one control device and a thermal management system. Background Art

[0002] In the vehicle thermal management system, the water circuit and the refrigerant circuit play a very important role. The traditional thermal management system layout is that the water pump controller, heater controller, compressor controller and expansion valve controller are arranged separately, and the vehicle power supply is connected to each controller respectively. Each controller is responsible for powering and controlling the water pump, heater, compressor and expansion valve. However, the above-mentioned controllers are arranged separately, which occupies a large space and has a large total weight, and the connectors and lines are complicated and costly.

[0003] Therefore, an all-in-one control device and a thermal management system are urgently needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide an all-in-one control device, which can not only control the operation of a single device, but also control the operation of all devices at the same time, thereby reducing the cost of the controller, thereby reducing the total weight and space occupied by the thermal management system, and can reduce the number of connecting wire harnesses and connectors, with a higher degree of integration.

[0005] In order to solve the above problems existing in the prior art, the utility model adopts the following technical solutions:

[0006] All-in-one control unit including:

[0007] A controller body, wherein the controller body is provided with a first interface and a second interface, wherein the first interface is electrically connected to the expansion valve, and the second interface is electrically connected to the water pump;

[0008] A compressor, wherein the compressor is integrated with the controller body and the compressor is electrically connected to the controller body;

[0009] A heater is integrated with the controller body and electrically connected to the controller body.

[0010] Preferably, the compressor is provided with an air inlet and an exhaust port, the air inlet is close to the controller body and is externally connected to a low-temperature and low-pressure refrigerant, and the exhaust port is used to discharge a high-temperature and high-pressure refrigerant under the action of the compressor.

[0011] Preferably, the heater is provided with a water inlet and a water outlet, the water inlet is connected to the outlet end of the cooling water circuit, and the water outlet is connected to the inlet end of the cooling water circuit.

[0012] Preferably, the controller body is further provided with a high voltage electrical interface and a low voltage electrical interface, and both the high voltage electrical interface and the low voltage electrical interface are electrically connected to a vehicle power supply.

[0013] Preferably, the heater is provided with a connector, and the connector is arranged inside the controller body.

[0014] To achieve the above objectives, the utility model also provides a thermal management system, including a water circuit and a refrigerant circuit, and also includes the above-mentioned all-in-one control device, and the all-in-one control device is electrically connected to the water circuit and the refrigerant circuit.

[0015] Preferably, the water circuit includes a water pump and a heating device, the water pump is electrically connected to the second interface, the output end of the water pump is connected to the input end of the heater, the output end of the heater is connected to the input end of the heating device, and the output end of the heating device is connected to the input end of the water pump.

[0016] Preferably, the water pump comprises a pump body and a control board, the control board is electrically connected to the pump body, and the control board is detachably connected to the controller body.

[0017] Preferably, the refrigerant circuit includes an expansion valve and a condenser, the expansion valve is electrically connected to the first interface, the input end of the condenser is connected to the output end of the compressor, and the output end of the condenser is connected to the input end of the expansion valve.

[0018] Preferably, the refrigerant circuit further comprises an evaporator, an input end of the evaporator is connected to an output end of the expansion valve, and an output end of the evaporator is connected to an input end of the compressor.

[0019] The beneficial effects of the utility model are:

[0020] The utility model provides an all-in-one control device, wherein the controller body is provided with a first interface and a second interface, wherein the first interface is electrically connected to the expansion valve, and the second interface is electrically connected to the water pump, and the controller body can control the water pump to work and output high voltage electricity or low voltage electricity to power it, and can also control the expansion valve to work and output low voltage electricity to power it. The compressor is integrated with the controller body, and the heater is integrated with the controller body, and the compressor and the heater are both electrically connected to the controller body, and the controller body can control the compressor and the heater to work and output high voltage electricity to power them. The all-in-one controller can not only control the work of a single device, but also control the work of all devices at the same time. Compared with the traditional thermal management system controller, the controller cost is reduced, thereby reducing the total weight and space occupied by the thermal management system, and can reduce the number of connecting harnesses and connectors, with a higher degree of integration.

[0021] The thermal management system provided by the utility model includes a water circuit, a refrigerant circuit and an all-in-one control device. The all-in-one control device is electrically connected to the water circuit and the refrigerant circuit. Compared with traditional thermal management system controllers, it has a higher degree of integration and can reduce costs, thereby reducing the total weight and space occupied by the thermal management system. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic diagram of the structure of an all-in-one control device provided in Embodiment 1 of the present utility model;

[0023] Figure 2 This is a schematic diagram of the thermal management system provided in Example 2 of the utility model.

[0024] Reference numerals:

[0025] 1. Controller body; 11. First interface; 12. Second interface; 13. High voltage electrical interface; 14. Low voltage electrical interface;

[0026] 2. Compressor; 21. Air inlet; 22. Exhaust port;

[0027] 3. Heater; 31. Water inlet; 32. Drain outlet;

[0028] 101. Water pump; 102. Heating device;

[0029] 201. Expansion valve; 202. Condenser; 203. Evaporator. DETAILED DESCRIPTION

[0030] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0031] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0033] In the description of this embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0034] Embodiment 1

[0035] like Figure 1As shown, in this embodiment, the all-in-one control device includes a controller body 1, a compressor 2 and a heater 3. Among them, the controller body 1 is provided with a first interface 11 and a second interface 12, the first interface 11 is electrically connected to the expansion valve 201, the second interface 12 is electrically connected to the water pump 101, the compressor 2 is integrated with the controller body 1, and the compressor 2 is electrically connected to the controller body 1, and the heater 3 is integrated with the controller body 1, and the heater 3 is electrically connected to the controller body 1. Specifically, the controller body 1 is provided with a first interface 11 for electrically connecting to the expansion valve 201 and a second interface 12 for electrically connecting to the water pump 101. The controller body 1 can control the water pump 101 to work and output high voltage electricity or low voltage electricity to power it, and can also control the expansion valve 201 to work and output low voltage electricity to power it. Optionally, the first interface 11 and the second interface 12 can be separately set or combined into one interface setting, the compressor 2 and the heater 3 are respectively located on the top and bottom plate of the controller body 1, and the compressor 2, the heater 3 and the controller body 1 are integrated, wherein the compressor 2 is used to compress the low-temperature and low-pressure refrigerant into a high-temperature and high-pressure refrigerant and discharge it into the thermal management system, the heater 3 inside the heater 3 can be a PTC, a heating film, a resistive heating element, an electromagnetic heating element, etc., and the heater 3 is used to heat the cooling water in the cooling water circuit and exchange heat with the external environment. In addition, the compressor 2 and the heater 3 are both electrically connected to the controller body 1, and the controller body 1 can also control the compressor 2 and the heater 3 to work and output high voltage electricity to power them. The all-in-one controller can not only control the work of a single device, but also control the work of all devices at the same time. Compared with the traditional thermal management system controller, the cost of the controller is reduced, thereby reducing the total weight and space occupied by the thermal management system, and can reduce the number of connecting harnesses and connectors, and the integration is higher.

[0036] Further, continue to refer to Figure 1 The compressor 2 is provided with an air inlet 21 and an exhaust port 22. The air inlet 21 is close to the controller body 1 and is externally connected to the low-temperature and low-pressure refrigerant. The exhaust port 22 is used to discharge the high-temperature and high-pressure refrigerant under the action of the compressor 2. Specifically, the controller body 1 is installed at the bottom of one side of the compressor 2 close to the air inlet 21, and can exchange heat with the low-temperature refrigerant sucked in by the compressor 2, thereby improving the heat dissipation effect of the all-in-one control device. The low-temperature and low-pressure refrigerant enters the compressor 2 from the air inlet 21, and becomes the high-temperature and high-pressure refrigerant after being compressed by the compressor 2. The high-temperature and high-pressure refrigerant is discharged from the exhaust port 22.

[0037] Further, continue to refer to Figure 1The heater 3 is provided with a water inlet 31 and a drain outlet 32. The water inlet 31 is connected to the outlet end of the cooling water circuit, and the drain outlet 32 ​​is connected to the inlet end of the cooling water circuit. Specifically, the cooling water in the cooling water circuit enters through the water inlet 31, is heated by the heater 3, and is discharged from the drain outlet 32 ​​to the circulation of the cooling water circuit to exchange heat with the surrounding environment.

[0038] Further, continue to refer to Figure 1 The controller body 1 is also provided with a high voltage electrical interface 13 and a low voltage electrical interface 14, both of which are electrically connected to the vehicle power supply. Specifically, the vehicle power supply provides high voltage electricity and low voltage electricity to the all-in-one control device through the high voltage electrical interface 13 and the low voltage electrical interface 14, so that the control device can output high voltage electricity to power the heater 3 and the compressor 2, and at the same time, can output low voltage electricity to power the expansion valve 201, and can also output high voltage electricity or low voltage electricity to power the water pump 101.

[0039] Further, continue to refer to Figure 1 The heater 3 is provided with a connector, and the connector is arranged inside the controller body 1. Specifically, since the heater 3 is integrated with the controller body 1 and directly connected to the controller body 1, the connector of the heater 3 can be placed inside the controller body 1.

[0040] Embodiment 2

[0041] like Figure 2As shown, in this embodiment, the thermal management system includes a water circuit, a refrigerant circuit and the above-mentioned all-in-one control device, and the all-in-one control device is electrically connected to the water circuit and the refrigerant circuit. Specifically, the water circuit includes a water pump 101 and a heating device 102, the water pump 101 is electrically connected to the second interface 12, the output end of the water pump 101 is connected to the input end of the heater 3, the output end of the heater 3 is connected to the input end of the heating device 102, and the output end of the heating device 102 is connected to the input end of the water pump 101. The water pump 101 transports the cooling water of the cooling water circuit to the heater 3 for heating, and the heated cooling water is then heat-exchanged with the environment to be heated through the heating device 102, and finally returns to the water pump 101 to complete the circulation of the water circuit. The refrigerant circuit includes an expansion valve 201, a condenser 202 and an evaporator 203. The expansion valve 201 is electrically connected to the first interface 11. The input end of the condenser 202 is connected to the output end of the compressor 2. The output end of the condenser 202 is connected to the input end of the expansion valve 201. The input end of the evaporator 203 is connected to the output end of the expansion valve 201. The output end of the evaporator 203 is connected to the input end of the compressor 2. The compressor 2 compresses the low-temperature and low-pressure refrigerant into a high-temperature and high-pressure refrigerant, which enters the condenser 202 to exchange heat with the environment. Then, the low-temperature and high-pressure refrigerant after cooling enters the expansion valve 201 to reduce the pressure and become a low-temperature and low-pressure refrigerant. The low-temperature and low-pressure refrigerant enters the evaporator 203 to exchange heat with the internal environment of the vehicle, and finally returns to the compressor 2 to complete the circulation of the refrigerant circuit.

[0042] Further, continue to refer to Figure 2 The water pump 101 includes a pump body and a control board. The control board is electrically connected to the pump body, and the control board is detachably connected to the controller body 1. The control board of the water pump 101 can be directly placed inside the controller body 1, or installed on the shell of the controller body 1 or outside the shell of the compressor 2. If the water pump 101 fails alone, its control board is easy to disassemble, reducing maintenance costs.

[0043] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. An all-in-one control device, characterized in that: include: A controller body (1), the controller body (1) being provided with a first interface (11) and a second interface (12), the first interface (11) being electrically connected to an expansion valve (201), and the second interface (12) being electrically connected to a water pump (101); A compressor (2), wherein the compressor (2) is integrated with the controller body (1), and the compressor (2) is electrically connected to the controller body (1); A heater (3), wherein the heater (3) is integrated with the controller body (1), and the heater (3) is electrically connected to the controller body (1).

2. The all-in-one control device according to claim 1, characterized in that: The compressor (2) is provided with an air inlet (21) and an air outlet (22), wherein the air inlet (21) is close to the controller body (1), and the air inlet (21) is externally connected to a low-temperature and low-pressure refrigerant, and the air outlet (22) is used to discharge a high-temperature and high-pressure refrigerant under the action of the compressor (2).

3. The all-in-one control device according to claim 1, characterized in that: The heater (3) is provided with a water inlet (31) and a water outlet (32); the water inlet (31) is connected to the outlet end of the cooling water circuit, and the water outlet (32) is connected to the inlet end of the cooling water circuit.

4. The all-in-one control device according to claim 1, characterized in that: The controller body (1) is also provided with a high-voltage electrical interface (13) and a low-voltage electrical interface (14), and both the high-voltage electrical interface (13) and the low-voltage electrical interface (14) are electrically connected to a vehicle power supply.

5. The all-in-one control device according to claim 1, characterized in that: The heater (3) is provided with a plug connector, and the plug connector is arranged inside the controller body (1).

6. A thermal management system, comprising a water circuit and a refrigerant circuit, characterized in that: It also includes the all-in-one control device according to any one of claims 1 to 5, wherein the all-in-one control device is electrically connected to the water circuit and the refrigerant circuit.

7. The thermal management system according to claim 6, characterized in that: The water circuit comprises a water pump (101) and a heating device (102); the water pump (101) is electrically connected to the second interface (12); the output end of the water pump (101) is connected to the input end of the heater (3); the output end of the heater (3) is connected to the input end of the heating device (102); and the output end of the heating device (102) is connected to the input end of the water pump (101).

8. The thermal management system according to claim 7, characterized in that: The water pump (101) comprises a pump body and a control board, wherein the control board is electrically connected to the pump body, and the control board is detachably connected to the controller body (1).

9. The thermal management system according to claim 6, characterized in that: The refrigerant circuit comprises an expansion valve (201) and a condenser (202), wherein the expansion valve (201) is electrically connected to the first interface (11), the input end of the condenser (202) is connected to the output end of the compressor (2), and the output end of the condenser (202) is connected to the input end of the expansion valve (201).

10. The thermal management system according to claim 9, characterized in that: The refrigerant circuit also includes an evaporator (203), the input end of the evaporator (203) is connected to the output end of the expansion valve (201), and the output end of the evaporator (203) is connected to the input end of the compressor (2).

Images