CN214798202U

CN214798202U - Power distribution cabinet capable of automatically opening grounding knife

Info

Publication number: CN214798202U
Application number: CN202121223738.6U
Authority: CN
Inventors: 韩英; 杨晓东; 郭洋克
Original assignee: Xuchang Guoneng Electric Co ltd
Current assignee: Xuchang Guoneng Electric Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-11-19
Anticipated expiration: 2031-06-03

Abstract

The utility model relates to the field of electrical technology, in particular to a power distribution cabinet capable of automatically opening a grounding knife, which comprises a cabinet body, wherein a mounting plate is arranged in the cabinet body, an electrical component is arranged on the mounting plate, and an incoming line is connected with the electrical component; a grounding knife is further mounted below the inside of the cabinet body; the incoming line is connected with an electrical component through a first circuit breaker, and the first circuit breaker is connected with a first button; the grounding knife is provided with a second button, the side surface of the cabinet body is provided with a U-shaped hook, the hook is a hook of an overhaul card, and the first button is arranged on the inner side of the hook; the second button is arranged below the inner side of the hook. The power distribution cabinet capable of automatically opening the grounding switch has the advantages of simple structure, convenience in use and strong intuition.

Description

Power distribution cabinet capable of automatically opening grounding knife

Technical Field

The utility model relates to an electric technical field especially relates to switch board.

Background

The switch board includes the cabinet body, cabinet body the inside mounting panel has, the mounting panel on have electrical components, for example circuit breaker, mutual-inductor etc..

In order to ensure the installation, a grounding knife is also installed below the cabinet body.

The grounding knife is a safety interlocking mechanism which is arranged in the high-voltage switch cabinet to replace a grounding wire. According to the requirement of five prevention, the grounding knife can be closed only when the equipment is overhauled and the breaker and the disconnecting switch are disconnected, which is equivalent to a grounding wire. In normal operation, the earthing switch must be open. When the breaker is closed, the ground switch is not closed; similarly, when the knife is closed, the high-voltage breaker cannot be closed.

In the prior art, a power distribution cabinet is provided with a mechanical interlocking device; however, the mechanical interlocking device is generally complex and has the disadvantages of easy damage, troublesome operation and poor intuitiveness.

Disclosure of Invention

The utility model aims at providing a simple structure, convenient to use's automatic switch board of opening ground connection sword to above-mentioned shortcoming.

The technical scheme of the utility model is realized in such a way that the power distribution cabinet capable of automatically opening the grounding knife comprises a cabinet body, wherein a mounting plate is arranged in the cabinet body, an electrical component is arranged on the mounting plate, and an incoming line is connected with the electrical component; a grounding knife is further mounted below the inside of the cabinet body; the method is characterized in that: the inlet wire is connected with an electrical component through a first circuit breaker, the first circuit breaker is connected with a first button, and the first button is pressed; the first circuit breaker is disconnected, the incoming line cannot transmit power to the electric component, the first circuit breaker is switched on by releasing the first button, and the incoming line can transmit power to the electric component; the grounding knife is provided with a second button, the grounding knife is opened by pressing the second button, the safety of maintainers is ensured, and the grounding knife is disconnected by loosening the second button; the side surface of the cabinet body is provided with a U-shaped hook, the hook is a hook of an overhaul card, and the first button is arranged on the inner side of the hook; the second button is arranged below the inner side of the hook; the maintenance plate is provided with a hanging rope, and the hanging rope is provided with a handle in the middle of the upper surface; when the handle is placed on the hook, the handle firstly presses the first button and then presses the second button; when the handle is taken out of the hook, the handle firstly releases the second button and then releases the first button.

Furthermore, the grounding knife is also provided with a closed loop circuit with a power supply and an indicator lamp in the middle; when the grounding knife is closed, the indicating lamp gives out an indication; when the grounding switch is disconnected, the indicating lamp does not give out an indication.

Further, the cabinet body is provided with a cabinet door, and the indicator light is installed on the cabinet door.

Further, the hook is arranged on the cabinet door.

The utility model has the advantages that: the power distribution cabinet capable of automatically opening the grounding switch has the advantages of simple structure, convenience in use and strong intuition.

Drawings

Fig. 1 is a schematic longitudinal section of the present invention.

Figure 2 is a schematic view of a service panel.

Wherein: 1. the cabinet body 2, the mounting plate 3, the electric component 4, the incoming line 5, the grounding knife 51, the second button 52, the power supply 53, the indicator light 6, the first circuit breaker 61, the first button 7, the hook 8, the maintenance board 81, the hanging rope 82, the handle 9 and the cabinet door.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1, a power distribution cabinet capable of automatically opening a grounding switch comprises a cabinet body 1, wherein a mounting plate 2 is arranged in the cabinet body, an electrical component 3 is arranged on the mounting plate, and an inlet wire 4 is connected with the electrical component; a grounding knife 5 is also arranged below the inside of the cabinet body; the method is characterized in that: the incoming line is connected with an electrical component through a first circuit breaker 6, the first circuit breaker is connected with a first button 61, and the first button is pressed; the first circuit breaker is disconnected, the incoming line cannot transmit power to the electric component, the first circuit breaker is switched on by releasing the first button, and the incoming line can transmit power to the electric component; the grounding knife is provided with a second button 51, the grounding knife is opened by pressing the second button, the safety of maintainers is ensured, and the grounding knife is disconnected by loosening the second button; the side surface of the cabinet body is provided with a U-shaped hook 7, the hook is a hook of an overhaul card 8, and the first button is arranged on the inner side of the hook; the second button is arranged below the inner side of the hook; the maintenance plate is provided with a hanging rope 81, and the hanging rope is provided with a handle 82 in the middle of the upper surface; when the handle is placed on the hook, the handle firstly presses the first button and then presses the second button; when the handle is taken out of the hook, the handle firstly releases the second button and then releases the first button.

The electrical components are electrical components of the power distribution cabinet, such as circuit breakers, transformers, meters and the like.

The utility model is arranged in such a way that when the maintenance is needed, the maintenance board is hung in the hook, the handle on the maintenance board firstly presses the first button, and the entering line is cut off; the handle on the maintenance board then oppresses the second button, and switch-on earthing switch, easy operation can realize the utility model discloses a purpose.

Further, the earthing switch is provided with a closed loop circuit with a power supply 52 and an indicator lamp 53 in the middle; when the grounding knife is closed, the indicating lamp gives out an indication; when the grounding switch is disconnected, the indicating lamp does not give out an indication.

The utility model discloses set up like this more directly perceived, effectively prevent in addition that grounding switch the inside has the phenomenon of invalid connection.

Further, the cabinet body is provided with a cabinet door 9, and the indicator light is installed on the cabinet door.

Further, the hook is arranged on the cabinet door.

The utility model discloses set up like this more striking, more can arouse people's attention.

The above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications within the field of the present invention by those skilled in the art are covered within the scope of the present invention.

Claims

1. A power distribution cabinet capable of automatically opening a grounding knife comprises a cabinet body, wherein an installation plate is arranged in the cabinet body, an electrical component is arranged on the installation plate, and an incoming line is connected with the electrical component; a grounding knife is further mounted below the inside of the cabinet body; the method is characterized in that: the inlet wire is connected with an electrical component through a first circuit breaker, the first circuit breaker is connected with a first button, and the first button is pressed; the first circuit breaker is disconnected, the incoming line cannot transmit power to the electric component, the first circuit breaker is switched on by releasing the first button, and the incoming line can transmit power to the electric component; the grounding knife is provided with a second button, the grounding knife is opened by pressing the second button, the safety of maintainers is ensured, and the grounding knife is disconnected by loosening the second button; the side surface of the cabinet body is provided with a U-shaped hook, the hook is a hook of an overhaul card, and the first button is arranged on the inner side of the hook; the second button is arranged below the inner side of the hook; the maintenance plate is provided with a hanging rope, and the hanging rope is provided with a handle in the middle of the upper surface; when the handle is placed on the hook, the handle firstly presses the first button and then presses the second button; when the handle is taken out of the hook, the handle firstly releases the second button and then releases the first button.

2. The switch board of the automatic opening earthing knife of claim 1, characterized by: the grounding knife is also provided with a closed loop circuit with a power supply and an indicator lamp in the middle; when the grounding knife is closed, the indicating lamp gives out an indication; when the grounding switch is disconnected, the indicating lamp does not give out an indication.

3. The switch board of the automatic opening earthing knife of claim 2, characterized by: the cabinet body have a cabinet door, the pilot lamp install on the cabinet door.

4. The switch board of the automatic opening earthing knife of claim 1 or 2, characterized by: the hook is arranged on the cabinet door.

5. The switch board of the automatic opening earthing knife of claim 3, characterized by: the hook is arranged on the cabinet door.