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Motor overload short circuit protection device

A short-circuit protection and mounting board technology, applied in circuit devices, emergency protection circuit devices, emergency protection devices with automatic disconnection, etc., can solve the problems of poor protection effect, difficult installation and disassembly, no automatic heat dissipation function, etc. Poor protection, easy disassembly and installation

Inactive Publication Date: 2020-02-21
江苏安控电气有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at the deficiencies of the prior art, the present invention provides a motor overload and short-circuit protection device, which solves the problems of poor protection effect, difficult installation and disassembly, no automatic heat dissipation function, single function and poor practicability

Method used

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Embodiment Construction

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0023] Such as Figure 1-3 As shown, the present invention provides a technical solution: a motor overload short-circuit protection device, including a housing 3, the inner wall of the housing 3 is respectively fixed with a first mounting plate 4 and a second mounting plate 6 from left to right, the first Fastening bolts 13 are installed on the mounting plate 4 and the second mounting plate 6, and the fastening bolts 13 are screwed to the inner wall of the hou...

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Abstract

The invention discloses a motor overload short circuit protection device. The device comprises a shell; a first mounting plate and a second mounting plate are fixed to the inner wall of the shell fromleft to right; a fuse and a thermal relay are respectively mounted on the first mounting plate and the second mounting plate; a clamping groove is formed in the second mounting plate; the clamping groove is connected with a thermal relay in a clamping manner through a clamping block; the front end of the clamping block is in threaded connection with a fixing screw; the fixing screw penetrates through the clamping block to be in threaded connection with the second mounting plate; a temperature sensor and a temperature controller are sequentially mounted on the inner wall of the shell from topto bottom; a fan is mounted at the lower end of the shell; and the shell is in hinged connection with a box door through a hinge. By arranging the first mounting plate, the fuse, the second mounting plate, the thermal relay, the temperature sensor, the fan, the temperature controller and the fixing screw, the problems that the protection effect is poor, mounting and dismounting are not easy, no automatic heat dissipation function exists, the function is single, and the practicability is not high are solved.

Description

technical field [0001] The invention relates to the technical field of overload and short circuit protection devices, in particular to an overload and short circuit protection device for motors. Background technique [0002] Motors, referred to as motors, are the heart of industrial control and the basis of power. On the one hand, the growth of the overall demand for motors comes from the synchronous growth brought about by the growth of power installed capacity, power and other energy consumption. At the same time, there will be demand for motors driven by automation demand. And the replacement demand brought by high-efficiency motor applications. When installing the motor, it is necessary to install an overload and short circuit protection device to avoid damage to the motor due to overload and short circuit, resulting in economic losses. [0003] But the existing technology also has the following deficiencies: [0004] 1. The existing motor overload and short circuit pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H5/04
CPCH02H5/041
Inventor 嵇洪兵高健伍飞
Owner 江苏安控电气有限公司
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