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Pressure switch and refrigerating system comprising same

A pressure switch and elastic sheet technology, applied in electrical switches, electrical components, circuits, etc., can solve problems such as damage and deformation of spring sheet diaphragms, and achieve the effects of expanding the scope of use, fast speed, and improving pressure resistance.

Inactive Publication Date: 2015-11-18
GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the pressure is too high, the spring and / or diaphragm of the pressure switch may deform and cause irreversible damage

Method used

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  • Pressure switch and refrigerating system comprising same
  • Pressure switch and refrigerating system comprising same

Examples

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Embodiment Construction

[0034] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0035] The pressure switch 100 according to the embodiment of the present invention will first be described in detail below with reference to the accompanying drawings.

[0036] Such as figure 1 with figure 2 As shown, the pressure switch 100 according to the embodiment of the present invention includes a housing 10 , a first insertion piece 20 , a second insertion piece 30 , an elastic piece 40 , a push rod 50 , a diaphragm 60 and a limiting member 70 .

[0037] Specifically, the first insertion piece 20 and the second insert...

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Abstract

The invention discloses a pressure switch and a refrigerating system comprising the same. The pressure switch comprises an outer shell, a first plugging piece, a second plugging piece, an elastic piece, a push rod, a membrane and a limiting member, wherein the first plugging piece and the second plugging piece are arranged inside the outer shell in a spaced manner, and a static contact is arranged on the first plugging piece; the elastic piece is arranged on the second plugging piece, one end of the elastic piece is connected with the second plugging piece, the other end is provided with a moving contact, and a second end of the elastic piece is movable so that the moving contact can be in contact with or separated from the static contact; the push rod is arranged inside the outer shell in a movable manner for pushing the other end of the elastic piece to move; the membrane is arranged inside the outer shell in a telescopic manner, and at least part of the membrane is pressed against the push rod for pushing the push rod to move; and the limiting piece is arranged inside the outer shell for limiting telescopic distance of the membrane. According to the pressure switch, the compression resistance of the pressure switch is improved, the application range of the pressure switch is enlarged, and the production efficiency is increased.

Description

technical field [0001] The invention relates to the technical field of refrigeration equipment, and more specifically, to a pressure switch and a refrigeration system having the same. Background technique [0002] Pressure switches are mainly used in refrigeration systems such as air conditioners for pressure protection. Pressure protection can be divided into over-high pressure protection and over-low pressure protection. Over-high pressure protection is to protect the pressure in the system from exceeding the maximum safe pressure required by the system (to prevent bursting and leakage); over-low pressure protection is to protect the pressure in the system from not lower than the minimum safe pressure required by the system (to prevent the compressor from vacuuming). There are two types of pressure switches commonly used today. Their basic structures are the same, and they are composed of the following parts: wires, springs, push rods, diaphragms, covers, copper tubes, mo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H35/34
CPCH01H35/34
Inventor 李松
Owner GD MIDEA HEATING & VENTILATING EQUIP CO LTD
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