CN110676705A - Closed metering cabinet and use method thereof - Google Patents

Abstract

The invention provides a closed metering cabinet, which relates to the field of electric energy metering and comprises a cabinet body with a closed structure, wherein the cabinet body is arranged at one end of direct electric equipment of a user; the metering area is internally provided with a metering gauge, a collecting terminal and a junction box which are electrically connected. A first observation window is arranged at the corresponding position of the cabinet body and the meter; the cable area is internally provided with a wire inlet cable, a wire outlet cable and a busbar, the wire inlet cable is electrically connected with the current transformer through the busbar, the busbar is electrically connected with the wire outlet cable, and the wire outlet cable is electrically connected with the electric equipment; and a second observation window is arranged in the corresponding area of the cabinet body and the inlet wire part and the outlet wire part of the cable area. The using method mainly comprises the following steps: the cabinet body is fixed on the ground; installing an incoming cable, an outgoing cable and a busbar; installing a current transformer, an electric energy meter and an acquisition terminal; a sealed cabinet body. The invention can effectively prevent people from electric shock, so that the wiring condition of a user line and electric equipment is clear and clear, and the loss of the power price of a power supply company is prevented.

Description

A closed metering cabinet and method of using the same

technical field

The invention belongs to the field of electric energy measurement, in particular to a closed measurement cabinet.

Background technique

Since 2017, the provincial government has issued various types of market-oriented preferential policies. It is necessary to install metering equipment on the side of such user equipment, perform separate metering, and implement preferential electricity prices at separate metering points. Subsequently, the premise of not harming the rights and interests of power supply companies and users Next, how to standardize the implementation of separate measurement is on the agenda. At present, after determining the measurement positions of market-oriented users such as coal-to-electricity, charging stations, and electric heating, it is adopted to directly install current transformers, electric energy meters, and acquisition terminals on the outlet side of the transformer or the inlet side of the user. It is impossible to guarantee the safety of users' electricity consumption, and it is difficult to find out whether users have private connections.

SUMMARY OF THE INVENTION

In view of the above shortcomings of the prior art, the present invention provides a closed metering cabinet, which can effectively prevent electric shocks for personnel, make the wiring of user lines and electrical equipment clear and clear, and can effectively prevent the loss of electricity prices of power supply companies.

In a first aspect, the present invention provides a closed metering cabinet, including a cabinet body, wherein a metering area, a component area and a cable area are arranged in the cabinet body, the cabinet body is a closed structure, and the cabinet body is installed in the user. One end of the electrical equipment is directly used; a meter, a collection terminal and a junction box are installed in the metering area, the meter is electrically connected with the collection terminal and the junction box, and a first An observation window; the cable area is provided with an incoming cable, an outgoing cable and a busbar, the incoming cable is electrically connected to the current transformer through the busbar, the busbar is electrically connected to the outgoing cable, and the outgoing cable is electrically connected to the current transformer. The electrical equipment is electrically connected; the cabinet body is provided with a second observation window in the corresponding area of the incoming wire part and the outgoing wire part of the cable area.

Further, in order to facilitate the maintenance of equipment and avoid the phenomenon of electricity stealing, a maintenance door is provided on the cabinet body, and a lock is provided on the maintenance door.

Further, in order to prevent the switch from damaging the opening metering cabinet, no circuit breaker is installed in the metering area.

Further, for safety consideration and to avoid electric shock, the cabinet is made of insulating material.

In the second aspect, the present invention provides a method for using the above metering cabinet, the steps of which mainly include:

1) The cabinet is fixed on the ground;

2) Install incoming cables, outgoing cables and bus bars;

3) Install current transformers, electric energy meters, and acquisition terminals;

4) Seal the cabinet.

Further, in step 4), the outer lock is sealed, and it is forbidden to open at will.

Further, when the outer lock is accidentally opened, the lock is re-locked.

The beneficial effect of the present invention is that, compared with the existing metering cabinet, the closed metering cabinet provided by the present invention adopts a closed structure, and the incoming cable is connected to the busbar sleeve current transformer inside, and the busbar is connected to the outgoing wire. Cables, junction boxes are installed in the metering area, and special meters and collection terminals are installed for market-based individual metering.

The cabinet in the area corresponding to the metering area and the cable area is provided with an observation window, which can visualize the incoming line, the outgoing line, and the metering connection mode.

Compared with the prior art, the technical solution is safer, more convenient, easier to install, and has the advantages of preventing power consumption by default, convenient measurement and on-site inspection, and the like.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. In other words, other drawings can also be obtained based on these drawings without creative labor.

FIG. 1 is a schematic structural diagram of a closed metering cabinet of the present invention.

Figure 2 is a schematic diagram of the internal structure of the closed metering cabinet of the present invention.

In the figure, 1, the cabinet, 2, the first observation window, 3, the second observation window, 4, the blockade, 5, the junction box.

Detailed ways

In order to make those skilled in the art better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

A closed metering cabinet includes a cabinet body 1, wherein a metering area, a component area and a cable area are arranged in the cabinet body 1, the cabinet body 1 is a closed structure, and at the same time, for safety considerations, to avoid electric shock, the The cabinet 1 is made of insulating material, preferably heat-resistant, corrosion-resistant and waterproof insulating material.

The cabinet 1 is installed at one end of the user's direct electrical equipment; a meter, a collection terminal and a junction box 5 are installed in the metering area, and the meter is electrically connected to the collection terminal and the junction box 5. The cabinet 1 A first observation window 2 is provided at a position corresponding to the meter; an incoming cable, an outgoing cable and a busbar are arranged in the cable area, and the incoming cable is electrically connected to the current transformer through the busbar, and the busbar is electrically connected to the current transformer. The row is electrically connected to the outgoing cable, and the outgoing cable is electrically connected to the electrical equipment; the cabinet 1 and the corresponding area of the incoming part and the outgoing part of the cable area are provided with a second observation window 3 .

In order to facilitate the maintenance of equipment and avoid the phenomenon of electricity stealing, the cabinet body 1 is provided with a maintenance door, and the maintenance door is provided with a plus block 4 .

In order to prevent the switch from damaging the opening metering cabinet, no circuit breaker is installed in the metering area.

The closed metering cabinet provided by the present invention, compared with the existing metering cabinet, the cabinet body 1 adopts a closed structure, the incoming cable is connected to the busbar sleeve current transformer, the busbar is connected to the outgoing cable, and the metering area is installed and wired Box 5, install a special meter and a collection terminal for market-based individual measurement.

The cabinet body 1 in the area corresponding to the metering area and the cable area is provided with an observation window, which can visualize the incoming line, the outgoing line, and the metering connection mode.

The method of using the metering cabinet mainly includes the following steps:

1) Cabinet 1 is fixed on the ground;

2) Install incoming cables, outgoing cables and bus bars;

3) Install current transformers, electric energy meters, and acquisition terminals;

4) Seal the cabinet 1.

Further, in step 4), the outer lock is sealed, and it is forbidden to open at will.

Further, when the outer lock is accidentally opened, the lock is re-locked.

In addition, for market-oriented users who need to be measured separately, after purchasing equipment, only the ordinary technical personnel of the user need to cooperate with the power supply company to complete the installation of incoming cables, outgoing cables and busbars, and the staff of the power supply company will carry out the current transformers and electric energy meters. . Installation of the acquisition terminal; after the installation is completed, the special outer lock of the power supply company is sealed, and it is forbidden to open it at will. If it is opened, the power supply company should be notified and re-locked.

Compared with the prior art, the technical solution is safer, more convenient, easier to install, and has the advantages of preventing power consumption by default, convenient measurement and on-site inspection, and the like. The equipment needs to be installed on the side of the user's direct electrical equipment. The electrical equipment is generally close to the working population and the environment is harsh (overheating, corrosion). The following two aspects are mainly considered:

1. It can effectively prevent personal safety electric shock caused by fire, accidental touch, failure, etc.;

2. Make the user's line wiring and electrical equipment clear and clear, and do not expose any wiring joints after closing, and prevent the loss of electricity prices of the power supply company by prohibiting users from opening and accessing other equipment with high electricity prices.

Although the present invention has been described in detail in conjunction with the preferred embodiments with reference to the accompanying drawings, the present invention is not limited thereto. Without departing from the spirit and essence of the present invention, those of ordinary skill in the art can make various equivalent modifications or substitutions to the embodiments of the present invention, and these modifications or substitutions should all fall within the scope of the present invention/any Those skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should all be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (8)

1. The utility model provides a closed measurement cabinet, includes the cabinet body (1), be provided with measurement district, components and parts district and cable district, its characterized in that in the cabinet body (1): the cabinet body (1) is of a closed structure, and the cabinet body (1) is installed at one end of direct electric equipment of a user;

a meter, a collection terminal and a junction box (5) are installed in the metering area, the meter is electrically connected with the collection terminal and the junction box (5), and a first observation window (2) is arranged at the corresponding position of the cabinet body (1) and the meter;

an incoming cable, an outgoing cable and a busbar are arranged in the cable area, the incoming cable is electrically connected with the current transformer through the busbar, the busbar is electrically connected with the outgoing cable, and the outgoing cable is electrically connected with electric equipment;

and a second observation window (3) is arranged in the corresponding area of the cabinet body (1) and the wire inlet part and the wire outlet part of the cable area.

2. The enclosed metering cabinet of claim 1, wherein: the cabinet body (1) is provided with a maintenance door, and the maintenance door is provided with a sealing lock (4).

3. The enclosed metering cabinet of claim 2, wherein: and no circuit breaker is installed in the metering area.

4. The enclosed metering cabinet of any one of claims 1 to 3, wherein: the cabinet body (1) is made of insulating materials.

5. The method of using the enclosed metering cabinet of any one of claims 1 to 4, the steps of which essentially comprise:

1) the cabinet body (1) is fixed on the ground;

2) installing an incoming cable, an outgoing cable and a busbar;

3) installing a current transformer, an electric energy meter and an acquisition terminal;

4) a sealed cabinet body (1).

6. The method of using a closed metering cabinet of claim 5, wherein: the cabinet body (1) is provided with a reserved space, and related facilities are installed according to use requirements.

7. The enclosed metering cabinet of claim 5, wherein: and 4) sealing the external lock and forbidding to open the lock randomly.

8. The enclosed metering cabinet of claim 7, wherein: when the outer lock is opened accidentally, the lock is added again.

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