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flow control device

A technology of flow control device and control components, which is applied in the direction of valve device, valve details, valve housing structure, etc., which can solve the problems of easy drop in sealing performance of coolant channel, easy excessive deformation, internal leakage, etc., and achieve improved action control performance , Improve the effect of product sealing performance

Active Publication Date: 2019-09-17
ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the sealing ring used in the piston valve is made of rubber material, which is easily deformed or damaged under the extrusion of the movable valve core. Therefore, after long-term use, the sealing performance of the coolant channel is easily reduced, and internal leakage may occur. It needs to be replaced with a new sealing ring to continue to use, which will affect the use

Method used

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Embodiment Construction

[0019] see Figure 1 to Figure 5 As shown, the flow control device 100 can be applied to heat exchange systems, such as vehicle air-conditioning systems or household air-conditioning systems, etc. Specifically, the flow medium controlled by the flow control device can be water, a mixed liquid of water and other liquids Or other cooling liquids with thermal conductivity, the flow control device controls the distribution of the flow medium and enables the flow medium to exchange heat with other working media of the heat exchange system, and then controls the outlet flow rate of the medium distributed by the flow control device The flow medium of the flow path of the heat exchange system can improve and optimize the control performance of the flow path of the heat exchange system.

[0020] The flow control device 100 can be used for new energy vehicle air conditioners such as HVAC, battery cooling or battery heating systems. Through the setting of the multi-pass structure of the ...

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Abstract

A flow control device used for a vehicle heat exchange system comprises a shell, a valve element assembly, a control part and a through-connection part; the valve element assembly comprises a first valve block, a second valve block and a transmission part; the first valve block and the second valve block are contained in a mounting cavity of the shell, the bottom side of the second valve block makes seal contact with the first valve block, the top side of the second valve block is provided with a fixed concave part for containing the lower end of the transmission part, the upper end of the transmission part extends out of the shell, one end of the through-connection part and the upper end of the transmission part are relatively fixed, the other end of the through-connection part and the transmission output part of the control part are relatively fixed, and therefore the action range of the transmission part can be limited; and the first valve block and the second valve block are arranged in a sealed manner, and the product seal performance can be improved.

Description

technical field [0001] The invention relates to a flow control device in the field of heat exchange. Background technique [0002] The electric vehicle thermal management system includes a coolant circulation system, which is composed of heat converters, power electronics, drive motors, on-board chargers, water storage pots, electric water pumps, reversing valves, high-temperature areas of cooling water tanks, high-voltage PTCs, and air-conditioning radiators , the reversing device is connected through pipeline circulation, which can be used to switch the flow direction of the coolant; for example, a hybrid vehicle usually adds a PTC heating device to make up for the lack of engine waste heat. At this time, it may be necessary to switch the coolant to the PTC heating device. In the process of switching the PTC heating device, it is also necessary to use a reversing valve to switch the flow direction of the coolant. [0003] At present, coolant reversing devices are widely u...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K11/074F16K3/314F16K3/30F16K27/04
Inventor 不公告发明人
Owner ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO LTD
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