Fluid switching device and thermal management system
A switching device and fluid technology, which is applied in the direction of valve device, valve operation/release device, valve details, etc., can solve the problem that the stop valve occupies the internal space of the thermal management system and increases the difficulty of device layout in the thermal management system, etc.
Active Publication Date: 2021-12-14
SANHUA HLDG GRP
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Problems solved by technology
In general, the thermal management system requires multiple cut-off valves to control the flow of refrigerant, and then realize the temperature regulation of the air conditioning system. Setting multiple cut-off valves in the thermal management system will not only increase the number of ports and wiring harnesses for the controller to control the cut-off valve, but also increase the number of ports of the cut-off valve. Occupies the internal space of the thermal management system and increases the difficulty of layout of devices in the thermal management system
Method used
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[0021] see Figure 1-Figure 10 . The fluid switching device includes a pilot valve 1 and a main valve 2. Specific positions of the pilot valve 1 and the main valve 2 are communicated through pipelines. When the pilot valve 1 operates, the main valve 2 can switch the flow direction of the internal refrigerant. Main valve 2 comprises main valve body 21, and main valve body 21 comprises end cover 211 and hollow tube 212, and end cover 211 is arranged on the port at both ends of hollow tube 212, closes the port at both ends of hollow tube, and end cover is provided with guide The interface that the valve 1 communicates with, the hollow tube includes a first interface part 2121, a second interface part 2122, a third interface part 2123 and an inlet 2124 arranged in the hollow tube, the first interface part, the second interface part and the third interface The parts are located on the same side of the hollow tube, along the axial direction of the hollow tube or along the axial dir...
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The invention discloses a fluid switching and heat management system. The main valve for fluid switching includes a main valve body, a valve seat and a slider, the valve seat includes a first valve port, a second valve port and a third valve port, and the main valve body includes Inlet, when the slider is at the first working position, the first valve port is connected to the inlet, the third valve port is not connected to the inlet, the third valve port is not connected to the second valve port; the slider is at the first working position and the second Between the working positions, the slider blocks the communication channel between the second valve port and the inlet; the thermal management system includes a fluid switching device, which is used to control the flow of refrigerant in the thermal management system, which is beneficial to simplify the layout of the thermal management system.
Description
【Technical field】 [0001] The invention relates to the technical field of fluid control, in particular to a fluid switching device and a thermal management system with the switching device. 【Background technique】 [0002] In the thermal management system, a shut-off valve is used to control the on-off of the refrigerant pipeline and control the flow direction of the refrigerant. In general, the thermal management system requires multiple cut-off valves to control the flow of refrigerant, and then realize the temperature regulation of the air conditioning system. Setting multiple cut-off valves in the thermal management system will not only increase the number of ports and wiring harnesses for the controller to control the cut-off valve, but also increase the number of ports of the cut-off valve. Occupies the internal space of the thermal management system and increases the difficulty of layout of devices in the thermal management system. Therefore, it is necessary to improve...
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IPC IPC(8): F16K11/065F16K27/04F16K31/06
CPCF16K11/065F16K27/04F16K31/0675
Inventor 不公告发明人
Owner SANHUA HLDG GRP