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Shielded power grid protective cabinet

A technology of power network and protection cabinet, which is applied in the direction of magnetic field/electric field shielding, electrical components, substation/power distribution device shell, etc., which can solve problems such as electromagnetic radiation, electromagnetic leakage, and poor electromagnetic shielding ability, and achieve the prevention of electromagnetic radiation and electromagnetic Effects of leakage, improvement of production efficiency, and improvement of positioning reliability

Inactive Publication Date: 2010-12-08
常州市武进华联电控设备股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the poor electromagnetic shielding ability of the existing power protection cabinets, which lead to the shortage of electromagnetic radiation and electromagnetic leakage, the present invention provides a shielded power network protection cabinet

Method used

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Embodiment Construction

[0014] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0015] Such as figure 1 It is a schematic diagram of the invention opened, a shielded power network protection cabinet, including a cabinet body 1, a cabinet door 2, a voltage stabilizer 3, a circuit breaker 4, a contactor 5, a transformer 6, a relay 7, a current Hall transformer 8, Switching power supply 9, digital board 10, analog board 11 and terminals 12, voltage regulator 3, circuit breaker 4, contactor 5, transformer 6, relay 7, current Hall transformer 8, switching power supply 9, digital board 10, The analog board 11 and the connection terminal 12 are arranged in the cabinet body 1 . The top of the cabinet 1 is provided with an air conditioner 18, an...

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PUM

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Abstract

The invention relates to the field of electric communication equipment, in particular to a shielded power grid protective cabinet. The cabinet comprises a cabinet body, a cabinet door, a voltage stabilizer, a breaker, a contactor, a transformer, a relay, a current Hall transformer, a switch power supply, a digiboard, an analog board and a wiring terminal, wherein the board structure of the cabinet body and the cabinet door is formed by a steel plate layer, a foaming plastic layer, a metal shielding layer, a flexible foam layer and an insulating shell layer successively from inside to outside, wherein an air conditioner is arranged on the top of the cabinet body, and an insulating earthing lead wire is arranged on the bottom of the cabinet body. The metal shielding layer is added between the cabinet body board and the cabinet door board, so that electromagnetic radiation and electromagnetic leakage can be effectively prevented, positioning reliability can be remarkably improved, production efficiency can be improved, and system safety and quality safety of power supply can be ensured.

Description

technical field [0001] The invention relates to the field of electronic communication equipment, in particular to a shielding power network protection cabinet. Background technique [0002] At present, the existing power protection cabinets are basically a regular structural frame of metal or other materials in terms of overall structure, generally a frame structure, with only aesthetic and application requirements, and basically only the rigidity of the material is required in the selection of materials And corrosion resistance, not suitable for the protection of electromagnetic radiation, resulting in electromagnetic radiation and electromagnetic leakage, causing natural man-made electromagnetic environmental pollution and damage to human health and hidden dangers of confidential information. Contents of the invention [0003] In order to overcome the disadvantages of electromagnetic radiation and electromagnetic leakage caused by the poor electromagnetic shielding abili...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B1/26H05K9/00
Inventor 朱建
Owner 常州市武进华联电控设备股份有限公司
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