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Weld bead cleaning machine protection circuit

A technology for protecting circuits and cleaning machines, which is applied to emergency protection circuit devices, circuit devices, and automatic disconnection emergency protection devices, etc., and can solve problems such as affecting the normal operation of other electrical equipment, short-circuiting, and inconvenient use.

Pending Publication Date: 2022-05-31
佛山市安鑫焊割设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] When the traditional weld bead cleaning machine is cleaning the weld bead, there may be a short circuit. If the circuit short circuit is not cut off in time, it will easily cause a safety accident. If the main switch is directly tripped, it will affect the normal operation of other electrical equipment, and inconvenient to use

Method used

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  • Weld bead cleaning machine protection circuit
  • Weld bead cleaning machine protection circuit
  • Weld bead cleaning machine protection circuit

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Embodiment Construction

[0018] In order to make the purpose, technical solution and advantages of the present application clearer, the specific implementation method of the present invention will be further described below in conjunction with the accompanying drawings.

[0019] The technical solutions in the embodiments of the present invention will be fully described below, obviously, the described embodiments are only some of the embodiments of the present invention, but not all of the embodiments. 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.

[0020] According to some embodiments, a weld bead cleaning machine protection circuit, such as figure 1 As shown, it includes a transformer T, a starting module and a protection module, one end of the primary side of the transformer T is connected to one end of the power supply; the protection m...

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Abstract

The invention discloses a weld bead cleaning machine protection circuit, which comprises a transformer, a starting module and a protection module, and is characterized in that one primary end of the transformer is connected with one end of a power supply; the protection module comprises a relay and a protection circuit, the relay is in a normally-closed state, the controlled end of the relay is connected with the other end of the primary side of the transformer and the other end of the power source, and the control end of the relay is connected with the protection circuit. A first secondary winding and a second secondary winding of the transformer supply power to the control circuit, a third secondary winding of the transformer supply power to the cleaning machine through the silicon controlled rectifier and the diverter, and the control circuit is connected with a control electrode of the silicon controlled rectifier. The two sides of the shunt are connected with the protection circuit and the control circuit respectively, when the protection circuit detects that the cleaning machine is short-circuited, the relay is controlled to be disconnected, and the circuit stops working after the primary transformer has no current and the secondary transformer, so that the protection effect is achieved.

Description

technical field [0001] The invention relates to the technical field of welding bead cleaning, in particular to a protection circuit of a welding bead cleaning machine. Background technique [0002] When the traditional weld bead cleaning machine is cleaning the weld bead, there may be a short circuit. If the circuit short circuit is not cut off in time, it will easily cause a safety accident. If the main switch is directly tripped, it will affect the normal operation of other electrical equipment, and Inconvenient to use. Contents of the invention [0003] The present invention aims to solve at least one of the technical problems in the prior art, and for this purpose, the present invention provides a protection circuit for a welding bead cleaning machine. [0004] In order to achieve the above object, the technical scheme adopted in the present invention is as follows: [0005] According to an embodiment of the first aspect of the present invention, a protection circuit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H3/087H02H7/125
CPCH02H3/087H02H7/125
Inventor 吴培鑫
Owner 佛山市安鑫焊割设备有限公司
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