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Double-adjustment switch device, double-adjustment type pressure automatic switch and control method

A switchgear, switch technology, applied in the direction of electrical switches, electrical components, circuits, etc., can solve problems such as increased manufacturing costs, major motor burn-in accidents, and reduced cost performance, to enhance environmental adaptability, improve technical performance, and cost-effective solutions. Effect

Pending Publication Date: 2021-11-23
安徽紫星电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] All kinds of existing pressure switches will have a common shortcoming in the production and use process, which is when setting the pressure start value, stop value and pressure difference (the difference between the start value and the stop value), due to its structure The limitation of the pressure difference is basically a non-adjustable fixed value, so the start value and stop value are contrary to the pressure difference and cannot be set independently. This will cause a common fatal flaw to the existing products. When the medium pressure difference changes, a large number of products will be scrapped, and even a major accident of burning the motor will be caused. However, the existing types of double-adjustable pressure automatic switches rely too much on materials and processes, resulting in increased manufacturing costs. , cost-effective decline

Method used

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  • Double-adjustment switch device, double-adjustment type pressure automatic switch and control method
  • Double-adjustment switch device, double-adjustment type pressure automatic switch and control method
  • Double-adjustment switch device, double-adjustment type pressure automatic switch and control method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment one: if figure 1 — Figure 17 As shown, a double-adjustable switch device includes a double-adjustable device, a support spring 13 and a monostable switch; the monostable switch includes a switch body 1 and a switch device, and the switch body 1 is provided with a switch device , the switch device includes a return spring 5, a shift fork 7, a static contact 2, a movable contact 6 and a lower fulcrum 3, the static contact 2 is arranged on the upper part of the switch body 1, and the lower fulcrum 3 It is arranged at the corresponding position in the lower part of the switch body 1; a guide structure is provided on the switch body 1, so that the shift fork 7 can move linearly up and down in the switch body 1; The shift fork 7 is provided with upper and lower limit protrusions, the return spring 5 is sleeved on the shift fork 7, one end is offset against the switch body 1, and the other end is offset against the upper limit protrusion on the shift fork 7; The ...

Embodiment 2

[0030] Embodiment two: if image 3 — Figure 17 As shown, a double-adjustable switch device includes a double-adjustable device, a support spring 13 and a monostable switch; the monostable switch includes a switch body 1 and a switch device, and the switch body 1 is provided with a switch device , the switch device includes a return spring 5, a shift fork 7, a static contact 2, a movable contact 6 and a lower fulcrum 3, the static contact 2 is arranged on the upper part of the switch body 1, and the lower fulcrum 3 It is arranged at the corresponding position in the lower part of the switch body 1; a guide structure is provided on the switch body 1, so that the shift fork 7 can move linearly up and down in the switch body 1; The shift fork 7 is provided with upper and lower limit protrusions, the return spring 5 is sleeved on the shift fork 7, one end is offset against the switch body 1, and the other end is offset against the upper limit protrusion on the shift fork 7; The ...

Embodiment 3

[0031] Embodiment three: as figure 1 — Figure 19 As shown, a double-adjustable pressure automatic switch includes a double-adjustable switch device, a base 19, a pressure ring 16, a test spring 15, a thrust rod 17 and an elastic gasket 18, and the base 19 is connected to the support chassis 9 sealed connection, the base 19 is provided with a pressure ring 16, a test spring 15, a thrust rod 17 and an elastic gasket 18, the inner periphery of the bottom of the pressure ring 16 is provided with a protrusion, and the thrust rod 17 is The test spring 15 is sleeved, the thrust rod 17 is T-shaped, the upper part is a rod, and the bottom is provided with a protrusion, and the test spring 15 is supported on the bottom protrusion of the thrust rod 17 and the bracket chassis 9, the lower end surface of the bottom protrusion of the thrust rod 17 falls on the protrusion provided on the inner periphery of the bottom of the pressure ring 16; a pressure ring 16 is provided between the suppo...

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Abstract

The invention discloses a double-adjustment switch device, a double-adjustment type pressure automatic switch and a control method, which fundamentally solve the problems that the pressure difference (the difference value between a starting value and a stopping value) of various existing pressure switches in the production and use process cannot be adjusted, and the starting value and the stopping value are inconsistent with the pressure difference. The starting value, the stopping value and the pressure difference can be independently set, and the structure is simpler and more practical than that of an existing double-adjusting switch, and the cost performance is higher. After the switch is used, product scrapping can be greatly reduced, major accidents of motor burning can be avoided, and a solid foundation is laid for upgrading of products; the environmental adaptability of the existing product is greatly enhanced, and the technical performance, the control precision, the use performance, the service life and the economic benefit of the existing product are remarkably improved.

Description

technical field [0001] The invention relates to the field of automatic control, in particular to a double-adjustable switch device, a double-adjustable pressure automatic switch and a control method. Background technique [0002] All kinds of existing pressure switches will have a common shortcoming in the production and use process, which is when setting the pressure start value, stop value and pressure difference (the difference between the start value and the stop value), due to its structure The limitation of the pressure difference is basically a non-adjustable fixed value, so the start value and stop value are contrary to the pressure difference and cannot be set independently. This will cause a common fatal flaw to the existing products. When the medium pressure difference changes, a large number of products will be scrapped, and even a major accident of burning the motor will be caused. However, the existing types of double-adjustable pressure automatic switches rely...

Claims

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Application Information

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IPC IPC(8): H01H35/26
CPCH01H35/2607
Inventor 顾诚
Owner 安徽紫星电子科技有限公司
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