CN104466699A - Power distribution equipment - Google Patents

Abstract

The invention provides a power distribution device, which includes a transformer and a metering box. The transformer and the metering box are connected by connecting wires, and the connecting wires between the transformer and the metering box are provided with a ground wire clip connection part. In the power distribution equipment of the present invention, the connecting wire between the transformer and the metering box is provided with a ground clamp connection part, so that when the current transformer needs to be replaced, the staff does not need to hang the ground wire on the low-voltage side of the transformer. Furthermore, the staff no longer need to go up to the grounding wire, thereby improving the grounding efficiency and reducing the labor intensity of the operators.

Description

Power distribution equipment

technical field

The invention relates to the field of power supply, in particular to a power distribution device.

Background technique

At present, the traditional method of replacing the current transformer of the metering box needs to stop the distribution transformer and hang the ground wire on the low-voltage side of the transformer in the distribution network to ensure operational safety.

However, the method for replacing the current transformer in the prior art is relatively cumbersome, and requires frequent operation of the high-voltage side drop-out fuse, which can easily lead to damage. At the same time, it increases the labor intensity of the operator and takes a long time.

Contents of the invention

The main purpose of the present invention is to provide a power distribution device to solve the problem of low efficiency of the method for replacing a current transformer in the power distribution device in the prior art.

In order to achieve the above object, the present invention provides a power distribution equipment, including a transformer and a metering box, the transformer and the metering box are connected by connecting wires, and the connecting wires between the transformer and the metering box are provided with a ground clamp connection part.

Further, the connection part of the ground clamp is the exposed part of the wire after the insulation layer is cut off on the connection wire.

Further, the power distribution equipment further includes a protective sleeve, and the protective sleeve is sleeved on the outside of the connecting portion of the ground wire clamp connecting the electric wires.

Further, the protective sheath includes a wrapping part, the wrapping part is tubular, and the wrapping part is provided with an opening penetrating from one end to the other end.

Further, the protective cover also includes a handle part, which is arranged at one end of the wrapping part, and the extension direction of the handle part is inclined to the axis of the wrapping part.

Further, the protective sheath is an insulating sheath.

Further, the protective sheath is a rubber sheath.

Further, the power distribution equipment further includes a fastener, and the fastener is wound on the outer side of the protective cover.

Furthermore, a current transformer is installed in the metering box, and the terminal connecting the end of the wire far away from the transformer is connected to the current transformer.

Further, the connection part of the ground clamp on the connecting wire is located in the metering box.

In the power distribution equipment of the present invention, the connection wire between the transformer and the metering box is provided with a ground wire clip connection part, so that when the current transformer needs to be replaced, the staff does not need to hang the ground wire on the low-voltage side of the transformer. Furthermore, the staff no longer need to go up to the grounding wire, thereby improving the grounding efficiency and reducing the labor intensity of the operators.

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide a further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached picture:

Fig. 1 shows the schematic structural diagram of the power distribution equipment of the present invention;

Figure 2 shows a schematic structural view of the protective cover; and

FIG. 3 shows a top view of FIG. 2 .

Wherein, the above-mentioned accompanying drawings include the following reference signs:

10. Transformer; 20. Measuring box; 30. Connecting wire; 31. Ground clamp connection part; 40. Protective sleeve; 41. Wrapping part; 42. Opening; 43. Handle part; 50. Current transformer; 60. Electric pole.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

The present invention provides a power distribution equipment, please refer to Figures 1 to 3, the power distribution equipment includes a transformer 10 and a metering box 20, the transformer 10 and the metering box 20 are connected by connecting wires 30, between the transformer 10 and the metering box 20 The connecting wire 30 is provided with a ground clip connection portion 31 .

In the power distribution equipment in the present invention, the connection wire 30 between the transformer 10 and the metering box 20 is provided with a ground clamp connection part 31, so that when the current transformer needs to be replaced, the staff does not need to check the low voltage of the transformer 10. The grounding wire is hung on the side, so that the staff no longer have to go up to the grounding wire, thereby improving the grounding efficiency and reducing the labor intensity of the operator.

Preferably, the connection part 31 of the ground clamp is an exposed part of the wire on the connection wire 30 after cutting off the insulating layer.

In the present invention, a "break" is made in advance at the connection bifurcation of the incoming cable of the metering box 20 and the screen of the current transformer 50, and the special ground wire for metering and meter replacement is clamped on the "break" above the replaced transformer for grounding protection. There is no need to stop the fuse on the high-voltage side, which reduces the frequent operation of the fuse.

Preferably, the power distribution equipment further includes a protective sheath 40 , and the protective sheath 40 is sheathed on the outside of the connection portion 31 of the ground clamp connecting the wire 30 . In the present application, by making the protective sheath 40 and sheathing it on the connection part 31 of the ground wire clip connecting the wire 30, it can ensure safe power supply during normal operation.

Preferably, the protective sheath 40 includes a wrapping part 41, which is tubular, and the wrapping part 41 is provided with an opening 42 penetrating from one end to the other end. The wrapping part 41 is sheathed on the connection part 31 of the ground wire clamp to wrap the exposed wire.

Preferably, the protective cover 40 further includes a handle portion 43 disposed at one end of the wrapping portion 41 , and the extending direction of the handle portion 43 is inclined to the axis of the wrapping portion 41 . By providing the handle portion 43, the protective cover 40 can be disassembled more conveniently.

Preferably, the protective sheath 40 is an insulating sheath. In this way, the connection portion 31 of the ground clamp can be protected more conveniently, thereby ensuring the safety of power supply.

Preferably, the protective cover 40 is a rubber cover.

Preferably, the power distribution equipment further includes fasteners wound around the outer side of the protective cover 40 . In this way, the protective cover 40 can be fastened more conveniently so that it is fixed on the outside of the connecting portion 31 of the ground wire clip.

Preferably, a current transformer 50 is installed in the metering box 20 , and the terminal connected to the end of the wire 30 away from the transformer 10 is connected to the current transformer 50 .

Preferably, the ground clip connection portion 31 on the connecting wire 30 is located in the metering box 20 . In this way, the safe operation of power supply can be guaranteed.

In this application, the transformer 10 is installed on the pole 60 . The power distribution equipment includes three connecting wires 30 , and each of the three connecting wires 30 is provided with a ground clamp connecting portion 31 .

This application adopts the improvement of the way of hanging the ground wire by making a "break" at the bifurcation where the incoming cable and the current transformer are connected, so as to achieve the purpose of simplifying the operation and reducing the labor intensity of the staff.

This application completes the research and production of the restored original parts of the "break" part to ensure that the "break" part can ensure the corrosion resistance and insulation of the wires during daily operation, and achieve safe and stable power supply.

From the above description, it can be seen that the above-mentioned embodiments of the present invention have achieved the following technical effects:

(1) By improving the method of this project, it is not necessary to stop the high-voltage side fuse when the current of the low-voltage metering box 20 is replaced, reducing the frequent operation of the fuse;

(2) The position of hanging the ground wire is improved from the structure of the distribution transformer to the inside of the metering box 20, which saves the labor of the staff on the pole, and ensures the construction safety to a large extent;

(3) Since low-voltage metering boxes are widely used in power distribution, if the transformation cost is too high, the method will be unrealistic and cannot be promoted;

(4) This project has obtained greater economic benefits with a relatively small renovation cost without increasing daily expenses.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. a controller switching equipment, comprise transformer (10) and batch meter (20), described transformer (10) connects by being connected electric wire (30) with described batch meter (20), it is characterized in that, the described connection on electric wire (30) between described transformer (10) with described batch meter (20) is provided with ground clamp connecting portion (31).

2. controller switching equipment according to claim 1, is characterized in that, described ground clamp connecting portion (31) is the exposed portion of wire after the excision insulating barrier on described connection electric wire (30).

3. controller switching equipment according to claim 1, it is characterized in that, described controller switching equipment also comprises protective jacket (40), and described protective jacket (40) is set in the outside of the described ground clamp connecting portion (31) of described connection electric wire (30).

4. controller switching equipment according to claim 3, it is characterized in that, described protective jacket (40) comprises parcel (41), described parcel (41) is tubulose, and described parcel (41) is provided with the opening (42) extending through the other end from its one end.

5. controller switching equipment according to claim 4, it is characterized in that, described protective jacket (40) also comprises handle portion (43), described handle portion (43) is arranged on one end of described parcel (41), and the bearing of trend of described handle portion (43) favours the axis of described parcel (41).

6. controller switching equipment according to claim 3, is characterized in that, described protective jacket (40) is insulating case.

7. controller switching equipment according to claim 3, is characterized in that, described protective jacket (40) is rubber sleeve.

8. controller switching equipment according to claim 3, is characterized in that, described controller switching equipment also comprises securing member, and described securing member is wrapped in the outside of described protective jacket (40).

9. controller switching equipment according to claim 1, it is characterized in that, be provided with current transformer (50) in described batch meter (20), the connector lug of one end away from described transformer (10) of described connection electric wire (30) is connected with described current transformer (50).

10. controller switching equipment according to claim 1, is characterized in that, the described ground clamp connecting portion (31) on described connection electric wire (30) is positioned at described batch meter (20).