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Overload protector for sealing-structure

A technology of overload protection and sealing structure, which is applied to emergency protection devices, emergency protection circuit devices, protection switches, etc., and can solve problems such as product damage and product protection that cannot be installed with overload protection devices

Inactive Publication Date: 2006-03-15
TEXAS INSTR KOREA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, in this immersion process, the insulating liquid can penetrate into the inside of the overload protection device, so that the internal circuit of the protection device that repeatedly performs contact and disconnection for cutting off the overcurrent cannot be in operation, and as a result, it cannot Due to overload, the protection of the product itself with the overload protection device will cause damage to the product

Method used

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  • Overload protector for sealing-structure
  • Overload protector for sealing-structure
  • Overload protector for sealing-structure

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Embodiment Construction

[0018] Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0019] figure 1 and figure 2 It is an exploded perspective view of the overload protection device of the present invention observed from above and below, image 3 It is a diagram showing the operation of the overload protection device.

[0020] The overload protection device of the sealed structure of the present invention includes: a cylindrical tank part 30 having an external connection terminal 35 and a built-in bimetal part 40 in a connected state; The conductive plate 10 assembled in the tank member is electrically connected, and the insulating gasket 20 is arranged between the tank member and the conductive plate and insulates both of them from each other.

[0021] The tank member 30 is composed of a cylindrical main body 31 for a built-in bimetallic part 40 and an outer peripheral flange formed along the periphery of the main body. ...

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Abstract

Disclosed is an overload protector with a hermetically sealed structure, the overload protector comprising a housing that has an outer peripheral flange and an external connecting terminal and that accommodates a bimetal element having a movable contact and a fixed contact; a conducting plate that is installed to an upper portion of the housing and that has an external connecting terminal and a contact connected to the movable contact of the bimetal element; and an insulating gasket disposed between the housing and the conducting plate, grooves or ribs being formed on the entire flange, and ribs or grooves being formed on a portion of the conducting plate corresponding to the grooves or ribs formed on the flange in such a way that the ribs or grooves of the conducting plate are engaged with the groves or ribs of the flange.

Description

technical field [0001] The present invention relates to an overload protection device. More specifically, it relates to a method of immersing the overload protection device in a varnish-like insulating liquid in order to insulate the winding wire after the overload protection device is connected to a winding wire of an object such as a motor to be installed. In the process, the overload protection device is an overload protection device with a structure that the insulating liquid cannot penetrate inside the overload protection device. Background technique [0002] Overload protection devices are generally used as motor protection devices for protecting motors due to overcurrent, fluorescent lamp stabilizers for preheating and lighting fluorescent lamps with high voltage applied, and transformers for voltage transformation of microwave ovens with high voltage applied, etc. Protect the object to be installed due to overload. [0003] This kind of overload protection device ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H71/02H01H71/08H01H81/00H01H81/02H01H37/52H01H37/04H01H37/54H01H71/16H02H7/085
CPCH01H2037/5463H01H37/5427H01H81/02H01H71/02
Inventor 吴用均郑然根金荣九
Owner TEXAS INSTR KOREA
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