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Intelligent motor protection device

A technology of protection device and intelligent motor, applied in emergency protection circuit devices, electrical components and other directions, can solve the problems of inability to play a protective role, short service life, less protection functions, etc., to achieve perfect and safe circuit protection, long service life, The effect of high circuit detection accuracy

Inactive Publication Date: 2019-09-24
重庆全营紧固件有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The emergence of motors has greatly promoted the development of industry. Nowadays, motors are widely used in life and production. The current protection of motors uses thermal relays connected in series with the main motor control circuit to realize the protection of motors. Overcurrent protection, but its protection function is less, long-term overload, frequent starting and other faults can not play a protective role
In addition, because the existing thermal relay is a heating type, its power consumption is large, and it cannot be used again due to circuit conditions such as large current overload or short circuit fault, and its service life is short

Method used

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Embodiment Construction

[0014] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on The embodiments of the present invention and 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.

[0015] In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", " The orientation or positional relationship indicated by "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying t...

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Abstract

The invention discloses an intelligent motor protection device, which comprises a base, a control panel and a protection module, wherein the control panel is arranged on the left side of the top of the base, the top of the surface of the control panel is provided with a power switch, a circuit breaker is arranged below the power switch, the right side of the circuit breaker is provided with a leakage protector, an alternating current contactor is arranged below the circuit breaker, the protection module is arranged on the right side of the control panel, the left side inside the protection module is provided with a control chip, the right side of the control chip is provided with an undervoltage protector, a current transformer is arranged below the control chip, and the right side of the protection module is provided with a motor. According to the intelligent motor protection device, the protection module is internally provided with the control chip so as to realize the intelligent control of motor circuit protection, and the control chip is provided with various circuit protection modules, so that the circuit protection is more perfect and safer, the intelligent protection for motors with various different abnormal circuits is effectively realized, the circuit detection precision is high, the circuit protection implementing error is small, the performance is reliable, the service life is longer, and the power consumption is lower.

Description

technical field [0001] The invention relates to the technical field of motor protection, in particular to an intelligent motor protection device. Background technique [0002] The emergence of motors has greatly promoted the development of industry. Nowadays, motors are widely used in life and production. The current protection of motors uses thermal relays connected in series with the main motor control circuit to realize the protection of motors. Over-current protection, but its protection function is less, long-term overload, frequent start-up and other faults cannot play a protective role. In addition, because the existing thermal relay is a heating type, it consumes a lot of power, and often cannot be used again due to circuit conditions such as large current overload or short circuit fault, and its service life is short. Contents of the invention [0003] The purpose of the present invention is to provide an intelligent motor protection device, which has a protectio...

Claims

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Application Information

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IPC IPC(8): H02H7/08
CPCH02H7/08H02H7/0822H02H7/0833
Inventor 杨发群
Owner 重庆全营紧固件有限公司
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