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A power engineering surge protector

A surge protector and electric power engineering technology, applied in emergency protection circuit devices, emergency protection circuit devices for limiting overcurrent/overvoltage, electrical components, etc., can solve problems such as arc ignition, bursting, and fire, and achieve Automatic disconnection prevention, damage reduction effect

Active Publication Date: 2020-11-27
山东国沣建设集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Power surge protectors are widely used in modern times. However, the existing surge protectors often have the following shortcomings during use. The existing power surge protectors are often overloaded in an instant. Excessive current will easily cause the possibility of arc ignition and breakdown, which will easily cause fire and other conditions, and the internal breakdown will easily cause bursting, which will easily cause danger to the outside

Method used

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  • A power engineering surge protector
  • A power engineering surge protector
  • A power engineering surge protector

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Example one, reference Figure 1-Figure 5 , A power engineering surge protector, comprising a shell 1 and a front shell 2 fixedly connected to the front end of the shell 1, an inner shell 5 is provided in the inner cavity of the shell 1, and a connecting plate 103 is fixedly connected between the shell 1 and the inner shell 5. The two sides of the center of the shell 5 are provided with pressure ports 12, the two pressure ports 12 are covered with pressure pads 10, the sides of the two pressure pads 10 close to each other are fixedly installed with a support 13, two supports 13 The side surfaces are rotatably connected with a transmission rod 11 through a rotating shaft, and a clamping rod 14 is rotatably connected between the two transmission rods 11 on the same side of the two supports 13, and the gap between the outer shell 1 and the inner shell 5 is opened near the pressure pad 10 There is a filling cavity 102, a buffer cavity 101 is opened at the gap between the out...

Embodiment 2

[0027] Example two, reference Figure 1-Figure 5 , Both the outer shell 1 and the inner shell 5 are provided with a locking hole 4, the locking hole 4 is screwed and connected with a locking screw 6, and the upper and lower openings of the inner shell 5 are slidingly connected with a connecting shell 7, and the connecting shell 7 The upper part is provided with a card slot 8, the two locking holes 4 are connected to each other, the card slot 8 is in contact with the locking screw 6, the connecting shell 7 is in contact with the housing 1, the connecting shell 7 is in a trapezoidal structure, and the clamping rods 14 are provided with two The two clamping rods 14 and the support 13 are connected and driven by the passing rod 11 to form a rhombus structure. The filling cavity 102 is filled with insulating and fire-extinguishing filling fluid, and the buffer cavity 101 is in a negative pressure environment, so that when the inner cavity of the inner shell 5 bursts It is extinguish...

Embodiment 3

[0028] Example three, reference Figure 1-Figure 5 , The front shell 2 is provided with a rotary button 3, the rotary button 3 is in contact with the housing 1, and the inner cavity of the front housing 2 is provided with an elliptical guide groove 19, and the elliptical guide groove 19 is rotatably connected with a rotary disc 16, the rotary disc 16 and the rotary knob 3 Fixed connection, a sliding groove 17 is provided on the turntable 16, a contact block 15 is slidably connected in the sliding groove 17, and a second spring 18 is elastically connected between the contact block 15 and the sliding groove 17, wherein the contact block 15 and the inner cavity of the rotary button 3 When abutting, the circuit is turned on, so that the control circuit is turned on when the turntable 16 rotates.

[0029] Working principle: First, through the rhombic structure formed between the passing rod 11, the support 13 and the clamping rod 14, and then the first spring 9 fixedly connected betwe...

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PUM

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Abstract

The invention discloses a surge protector for electric power engineering. The surge protector comprises an outer shell and a front shell fixedly connected with the front end of the outer shell, wherein an inner shell is arranged in the inner cavity of the outer shell, a connecting plate is fixedly connected between the outer shell and the inner shell, pressing openings are formed in the shell bodyon the two sides of the inner shell, pressing pads are arranged in the two pressing openings in a sleeved mode, support seats are fixedly installed on the sides, close to each other, of the two pressing pads, transmission rods are rotatably connected to the side faces of the two support seats through rotating shafts, and clamping rods are rotatably connected to the ends, close to each other, of the transmission rods on the two support seats. According to the invention, an elastic hot melting protection mechanism is adopted, at the moment, two pressing pads get close to each other, so that a filling liquid in two filling cavities leaks out for isolation and fire extinguishing, damage to an outer shell when the inner cavity of an inner shell bursts is reduced, and automatic disconnection control is realized when a locking screw on the outer shell is loosened by adopting an installation linkage disconnection structure.

Description

Technical field [0001] The invention belongs to the technical field of electrical equipment, and is specifically a power engineering surge protector. Background technique [0002] Power surge protector, also known as power surge protector, is suitable for AC 50 / 60HZ, rated voltage 220V / 380V power supply system, to protect indirect lightning and direct lightning influence or other transient overvoltage surges, suitable for home The requirements for surge protection in residential, tertiary and industrial fields include phase-to-phase, phase-to-earth, phase-to-neutral, neutral-to-earth and combinations of protection modes. [0003] Power surge protectors are widely used in modern times, but the existing surge protectors often have the following shortcomings during use. The existing power surge protectors often overload in an instant. Excessive current will easily cause the possibility of arc fire and breakdown, which will easily cause fire and other situations, and will easily cause...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02H9/04
CPCH02H9/044
Inventor 张悦
Owner 山东国沣建设集团有限公司