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Fluid switch, working method and application thereof

A technology of fluid switch and working method, which is applied in the direction of gas/liquid distribution and storage, valve device, pipeline system, etc., which can solve the problems of micro-flow insensitivity, inability to realize two-way flow detection, etc., so as to reduce processing difficulty and facilitate independent Easy adjustment, installation and maintenance

Active Publication Date: 2021-03-09
HEILONGJIANG AGRICUTURAL ENGINEARING VOCATIONAL COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The research and development of the present invention solves the problem that it is not sensitive to micro-flow and cannot realize two-way flow detection in the same pipeline

Method used

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  • Fluid switch, working method and application thereof
  • Fluid switch, working method and application thereof
  • Fluid switch, working method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0034] Specific implementation mode one: combine Figure 1-Figure 12 Describe this embodiment. A fluid switch of this embodiment includes a valve body 1, an inner circlip 2, a spring seat 3, a valve sleeve 4, a spring 5, a valve core 6, a permanent magnet 7 and a reed switch 8. The valve body 1 Valve sleeve 4 is installed inside, valve core 6 is installed inside valve sleeve 4, valve sleeve 4 is slidingly connected with valve core 6, valve core 6 is connected with permanent magnet 7, spring seat 3 is installed at both ends of valve sleeve 4, spring seat 3 It is connected with the valve core 6 through the spring 5, the spring seat 3 is connected with the valve body 1 through the inner circlip 2, and a dry reed switch 8 is installed on the outside of the valve body 1. A fluid switch is a switch triggered by magnetic induction, and the fluid The switch is installed on the fluid pipeline. When there is no liquid flowing in the pipeline, the reed switch 8 is disconnected, and its t...

specific Embodiment approach 2

[0035] Specific implementation mode two: combination figure 1 , figure 2 , image 3 , Figure 7 , Figure 8 , Figure 9 Describe this embodiment, a fluid switch of this embodiment also includes a junction box 9, the junction box 9 has a reed switch installation groove 91 and an adjustment screw groove 92, and the reed switch 8 is installed in the reed switch installation groove 91 Inside, screw is installed in the adjusting screw groove 92 of junction box 9, and adjusting screw groove 92 is keyway shape, and screw is connected with sliding in adjusting screw groove 92, realizes the position adjustment of reed switch 8 by adjusting the position of junction box 9, adjusts After completion, tighten the screws to fix. The junction box 9 is connected to the valve body 1 by screws. The number of junction boxes 9 is two. The two junction boxes 9 are respectively arranged on both sides of the valve body 1. The valve body 1 is a regular hexagon. , the two junction boxes 9 are res...

specific Embodiment approach 3

[0036] Specific implementation mode three: combination figure 1 , Figure 10 , Figure 11 , Figure 12 This embodiment is described, a fluid switch of this embodiment, the spring 5 is a conical spring.

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Abstract

The invention relates to a switch, and belongs to the technical field of fluid switches. The problem that bidirectional flow detection cannot be realized in the same pipeline due to insensitivity to micro-flow is solved. The fluid switch comprises a valve body, an inner clamp spring, spring seats, a valve sleeve, springs, a valve core, a permanent magnet and a reed switch, wherein the valve sleeveis mounted in the valve body, the valve core is mounted in the valve sleeve and connected with the permanent magnet, the spring seats are mounted at two ends of the valve sleeve and connected with the valve core through the springs, and the reed switch is mounted on the outer side of the valve body. According to the fluid switch, the valve core is of a sliding valve type structure, wedge-shaped grooves are machined in an oil through hole in the skirt portion in a long-short staggered mode, impact can be reduced during hydraulic flowing, the valve core can be helped to reset better when liquidstops flowing, the valve core is sensitive to weak flowing, bidirectional flowing detection can be achieved in the same pipeline, sensitivity is high, and a switch can be triggered through trace flowing. so that bidirectional flow monitoring can be realized.

Description

technical field [0001] The invention relates to a switch and belongs to the technical field of fluid switches. Background technique [0002] In our work, we often need to judge whether there is fluid flow in the pipeline, show the flow direction of the fluid in the pipeline, and understand whether there is any leakage problem inside the system. The existing components that can test fluid flow include turbine, eddy current, ultrasonic flowmeter, target type, piston type flow switch and other products, which can detect the flow of fluid, but they are not sensitive to micro flow. The detection of two-way flow cannot be realized in the road. For example, the disadvantage of target type (baffle type) flow switch is that it is not sensitive to small flow, and the force on the sensor is small due to the small flow rate. At this time, the energy consumed by the flow switch itself cannot be ignored. Although the small signal alarm can be adjusted in the field, for the small flow sw...

Claims

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Application Information

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IPC IPC(8): F16K3/26F16K3/30F16K3/314F16K3/316F16K37/00F17D5/02
CPCF16K3/262F16K3/30F16K3/314F16K3/316F16K37/0091F17D5/02
Inventor 管丛江李海金辛连学王锋詹俊钢周利国陈秀国赵雪峰
Owner HEILONGJIANG AGRICUTURAL ENGINEARING VOCATIONAL COLLEGE
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