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Anti-electric-shock distribution box

A power distribution box, anti-electric shock technology, applied in the direction of instruments, alarms, etc., can solve problems such as personal safety hazards, and achieve the effect of avoiding electric shock accidents and protecting life safety.

Inactive Publication Date: 2015-12-23
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to express the composition and working principle of the electrical control system of production machinery, and at the same time facilitate the installation, commissioning and maintenance of equipment, the electrical components and connection relationships in the system are reflected in certain drawings, and are represented by prescribed graphic symbols on the drawings Each electrical component, and each electrical component is explained with text symbols. The electrical schematic diagram has a simple structure and clear layers. It is suitable for researching and analyzing the working principle of the circuit, and can provide help for finding faults. It is also the basis for compiling electrical installation wiring diagrams. Therefore, in The design department and production site are widely used, and the power distribution cabinet often becomes a very important carrier, which can meet the requirements of each electrical component in the circuit design and be reliably fixed in the determined position in the cabinet, which is convenient for the operator to operate and view. However, in the existing production, it is inevitable that there will be equipment failures or changes in production requirements. Sometimes it is necessary for the operator to perform maintenance operations when the power distribution equipment is in a live state. In this way, the personal safety of the operator is critical There is a considerable degree of danger

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Such as Figures 1 to 3 As shown, the electric shock-proof distribution box of this embodiment, the distribution box 1 in this embodiment includes an open box body composed of a top plate, a bottom plate, a left side plate, a right side plate, and a rear side plate, and the front of the open box body The side opening is closed by the front side frame 31 and the front door. The door includes a left side door 32 and a right side door 33 that can be opened and closed. The outer surface of the left side door 32 has a plurality of LED display lights 322 . When there are multiple LED display lamps 322, they are arranged in rows or columns in parallel. The LED display lamps 322 on these doors are corresponding to each main power line in the distribution box. And the front door is made of thin steel plate, it is difficult to observe the internal situation from the outside, which is not conducive to maintenance. And using this LED display light 322, when the power distribution...

Embodiment 2

[0048] The anti-shock distribution box of this embodiment, on the basis of Embodiment 1, adds a grounding wire at the bottom of the box body, and the grounding wire is connected to the bottom of the rectangular box body of the distribution box to connect the distribution box The static electricity on the ground is timely introduced to the ground for release. Since there are many charged wires at the bottom of the distribution box, in order to overcome the current reverse transmission from the connected grounding wire to the rectangular box of the distribution box when some wires leak, which will cause electric shock danger, the present invention also adds an electric wire on the grounding line. A diode, the positive terminal of the diode is connected to the distribution box body, when there is electrostatic charge accumulated on the distribution box body, the diode conducts, and the electrostatic charge is conducted to the ground, reducing the harm of static electricity to the ...

Embodiment 3

[0050] The anti-shock distribution box of this embodiment, on the basis of Embodiment 1, the box is also provided with:

[0051] A humidity sensor is arranged in the box to detect the real-time humidity inside the box;

[0052] a comparator, connected to the humidity sensor to compare the real-time humidity with a preset humidity;

[0053] A dehumidifier connected to the comparator to dehumidify when the real-time humidity is greater than the preset humidity.

[0054] The humidity sensor is arranged in the box body, and can detect the real-time humidity inside the box body. The comparator is connected with the humidity sensor, and the humidity sensor sends the detected real-time humidity signal in the cabinet to the comparator, and the real-time humidity in the cabinet detected by the humidity sensor is compared with the preset humidity in the comparator. When the real-time humidity is greater than the preset humidity, the comparator sends out a dehumidification signal. The...

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Abstract

The invention provides an anti-electric-shock distribution box which comprises an open box formed by a top plate, a bottom plate, a left plate, a right plate and a rear plate. A front opening of the open box is enclosed by a front frame and a front door. The front door comprises a left door and a right door which can both be opened and closed. The distribution box is connected with a protection device. A current sensor is arranged inside the distribution box. A filter is arranged inside the protection device. The filter is connected with a first amplifier and a relay successively on one hand, and is connected with a second amplifier and an alarm device on the other hand. The relay is connected with a power supply.

Description

technical field [0001] The invention relates to an electric shock-proof distribution box. Background technique [0002] The electrical control system is a system that is composed of a motor and a number of electrical components connected according to certain requirements in order to complete specific functions of production process control. In order to express the composition and working principle of the production machinery and electrical control system, and to facilitate the installation, commissioning and maintenance of the equipment, the electrical components and connection relationships in the system are reflected in certain drawings, and the drawings are represented by prescribed graphic symbols Each electrical component, and each electrical component is explained with text symbols. The electrical schematic diagram has a simple structure and clear layers. It is suitable for researching and analyzing the working principle of the circuit, and can provide help for finding...

Claims

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Application Information

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IPC IPC(8): G08B21/02
CPCG08B21/02
Inventor 孙辰军李晓龙魏明磊杨海运
Owner STATE GRID CORP OF CHINA
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