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Automatic vacuumizing liquid injection device for pod environment control system

A technology of environmental control system and liquid injection device, which is applied in the direction of liquid distribution, transportation or transfer device, distribution device, special distribution device, etc., which can solve the problems of low efficiency of cooling liquid filling and unstable pumping pressure, etc., and achieve improvement Efficiency and pumping quality, and the effect of improving operating efficiency

Inactive Publication Date: 2020-10-16
XINXIANG AVIATION IND GROUP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention proposes an automatic vacuum pumping liquid injection device for the environment control system of the pod to solve the problems of low cooling liquid filling efficiency and unstable pumping pressure for the closed environment control system

Method used

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  • Automatic vacuumizing liquid injection device for pod environment control system

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Embodiment Construction

[0021] The present invention will be described in further detail below.

[0022] See figure 1 , An automatic vacuum and liquid injection device for the environmental control system of the pod, the device includes a solenoid valve, a liquid storage tank 2, an all-stainless steel precision casting ball valve 3, an oil suction filter 4, a maintenance valve 5, a safety valve 6, a liquid supply pump 7, Motor 8, filter 9, pressure sensor 10, vacuum pump 11; the solenoid valve is connected to the system pipeline, the liquid storage tank 2 is used to store coolant, and the all-stainless steel precision casting ball valve 3 is connected to the lower part of the liquid storage tank 2 for Drain the coolant, the suction filter 4 is installed inside the storage tank for primary filtration of the coolant. The maintenance valve 5 is normally open under normal conditions, and the safety valve 6 plays a role in the system to safely release pressure to prevent When the aircraft's environmental co...

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Abstract

The invention discloses an automatic vacuumizing liquid injection device for a pod environment control system. The device comprises an electromagnetic valve, a liquid storage tank, an oil suction filter, a liquid supply pump, a motor, a filter, a pressure sensor and a vacuum pump. According to the device, after the aircraft environment control system is vacuumized to reach a set pressure value, data are transmitted to a PLC, the PLC receives the data and then controls the vacuum pump and the electromagnetic valve which are used for the corresponding vacuumizing function to stop, meanwhile, a liquid injection pump and the electromagnetic valve which are used for the injection function are started, and therefore the function of automatic injection after vacuumizing is achieved, and the operation efficiency is improved.

Description

Technical field [0001] The invention belongs to the field of aviation electromechanics, and particularly relates to an automatic vacuum injection device for a pod environmental control system. Background technique [0002] There are more and more complicated liquid cooling systems on airplanes. Most liquid cooling systems have complicated accessories such as radiators. The liquid in the system needs to be pumped out and added during ground maintenance. If the method is not appropriate, it will cause the A gas plug is formed in the fluid path, which affects the performance of the onboard system. At present, there are common open system and closed system in the airborne pod environmental control liquid supply system. When the open system is filled with coolant, the liquid cooling system is connected to the atmosphere, and the traditional filling method can be used for direct filling; Compared with the open environment control system, the system has only one filling port. When fill...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B67D7/72B67D7/06B67D7/02
CPCB67D7/72B67D7/06B67D7/02
Inventor 魏铭强王超李亚峰司俊珊杨昆王柳婷
Owner XINXIANG AVIATION IND GROUP