CN212322817U - Prevent down power supply type current transformer - Google Patents

Abstract

The utility model discloses an anti-reverse power supply type current transformer, which comprises a middle wire box and end wire boxes respectively positioned at two ends of an exposed wire core of an insulated wire, wherein the end wire boxes are divided into a first end wire box and a second end wire box; the open-close type current transformer comprises two corresponding semicircular ring bodies, and semicircular annular connecting plates are arranged on the same sides of the two semicircular ring bodies; the middle wire box is composed of a first semicircular middle shell and a second semicircular middle shell, and the first semicircular middle shell and the second semicircular middle shell are respectively hinged on the semicircular annular connecting plate; the power-taking conducting wire of the open-close type current transformer is communicated with the exposed wire core of the insulated conducting wire. The utility model discloses in both can reach the purpose of installing open-close type current transformer simultaneously and preventing down power supply protection device, can utilize the exposed sinle silk of middle line box protection department to reach the purpose that current transformer got the electricity again.

Description

Prevent down power supply type current transformer

Technical Field

The utility model relates to a current transformer field especially relates to a prevent down power supply type current transformer.

Background

Current transformer among the prior art need pierce through the cable crust with the felting needle and get the electricity, and if current transformer installs when outdoor, the felting needle rusts easily, influences and gets the electric effect, and on the other hand if under the circumstances that the felting needle intensity is not enough and the cable crust is harder, the felting needle is crooked easily, can have this moment and can not get the electricity or get the unstable condition of electric voltage current, influences actual measurement structure. And the anti-reverse power supply protection device and the current transformer are installed on one circuit at present, and the installation time is longer under the condition of more circuits.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent down power supply type current transformer.

The utility model discloses an innovation point lies in the utility model discloses in both can reach the purpose of installing open-close type current transformer simultaneously and preventing down power supply protection device, can utilize the exposed sinle silk of middle line box protection department to reach the purpose that current transformer got the electricity again just, and this installation leakproofness is good, does not have the part of exposing outside, suitable outdoor use.

In order to realize the purpose of the utility model, the technical proposal of the utility model is that:

a power supply type current transformer prevents falling, including the middle line box used for holding the exposed core of the insulated wire and end line box used for wrapping the insulated wire of both ends of exposed core of the insulated wire located in both ends of exposed core of the insulated wire separately, the end line box is divided into first end line box and second end line box, there are open-close type current transformers in the first end line box, the open-close type current transformer wraps the first end line box of some, the internal diameter of open-close type current transformer and external diameter adaptation of first end line box; the open-close type current transformer comprises two corresponding semicircular ring bodies, one ends of the two semicircular ring bodies are hinged, the other ends of the two semicircular ring bodies are connected in a buckling mode, and semicircular annular connecting plates are arranged on the same sides of the two semicircular ring bodies; the middle wire box is composed of a first semicircular middle shell and a second semicircular middle shell which are in butt-buckling fit, and the first semicircular middle shell and the second semicircular middle shell are respectively hinged on semicircular annular connecting plates at the side parts of the two semicircular ring bodies; the inner diameter of the middle wire box is matched with the outer diameter of the second end wire box in a buckling mode, and the outer diameter of the two semi-circular annular connecting plates after the two semi-circular intermediate shells are closed is matched with the outer diameter of the second end wire box in a buckling mode; the middle parts of the open-close type current transformer, the middle wire box, the first end wire box and the second end wire box form a cavity for the insulated wire to pass through, and the power taking wire of the open-close type current transformer is communicated with the exposed wire core of the insulated wire.

Furthermore, first end line box and No. two end line boxes constitute by two annular casings of semicircular end, and two annular casings of semicircular end one end hinges, and one end is equipped with the screw hole and passes through screw nut and connect.

Furthermore, a screw handle is arranged on the screw.

Furthermore, the inner wall of the middle wire box wrapping the second end wire box and the semicircular annular connecting plate is provided with a sealing gasket, and the contact part of the open-close type current transformer and the first end wire box is provided with a sealing gasket. The sealing and waterproof performance is better.

Further, the semicircular annular connecting plate and the semicircular annular body are integrally formed.

Furthermore, a support is arranged on the inner wall of the first semicircular middle shell, a metal spring is arranged on the support, the free end part of the metal spring is connected with a conductive metal block, and a power taking lead is connected with the metal spring in the support. The winding contact is not needed to be manually removed, and the power-taking conducting wire can be always connected with the exposed wire core of the insulated conducting wire under the action of the metal spring.

Furthermore, the inner wall of the second semicircular middle shell is provided with a supporting seat, and the supporting seat are symmetrically arranged. The exposed wire core of the insulated wire is supported, and the exposed wire core of the insulated wire is further ensured to be connected with the conductive metal block.

The utility model has the advantages that:

1. the utility model discloses in will prevent down power supply protection device and open-close type current transformer and combine, will prevent down power supply protection device's middle line box hinge on open-close type current transformer, will open-close type current transformer get the exposed sinle silk switch-on of electric wire and middle line box protection department again, both can reach the purpose of installing open-close type current transformer simultaneously and preventing down power supply protection device, the exposed sinle silk that can utilize middle line box protection department just again reaches the purpose that current transformer got the electricity, and this installation leakproofness is good, there is not exposed part outside, suitable outdoor use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the anti-back power supply type current transformer after installation.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

Example 1: as shown in fig. 1 and 2, the anti-reverse power supply type current transformer comprises a middle wire box 2 for accommodating an exposed wire core 1 of an insulated wire and end wire boxes which are respectively positioned at two ends of the exposed wire core 1 of the insulated wire and are used for wrapping insulated wires 3 at two ends of the exposed wire core 1 of the insulated wire, wherein the end wire boxes are divided into a first end wire box 4 and a second end wire box 5, an open-close type current transformer 6 is arranged at the position of the first end wire box 4, the open-close type current transformer 6 wraps the first end wire box 4 partially, and the inner diameter of the open-close type current transformer 6 is matched with the outer diameter of the first end wire box 4; first end line box 4 and No. two end line boxes 5 constitute by two annular casings in semicircular end, two annular casings in semicircular end one end hinges, and one end is equipped with screw hole 7 and connects through 8 nuts in the screw, is equipped with the screwdriver handle 8.1 on the screw 8. The open-close type current transformer 6 comprises two corresponding semicircular ring bodies 6.1, one end of each semicircular ring body 6.1 is hinged, the other end of each semicircular ring body is connected in a buckling mode, and a semicircular annular connecting plate 6.2 is arranged on the same side of each semicircular ring body 6.1; the semicircular annular connecting plate 6.2 and the semicircular ring body 6.1 are integrally formed. The middle wire box 2 consists of a first semicircular middle shell 2.1 and a second semicircular middle shell 2.2 which are in butt-buckling fit, and the first semicircular middle shell 2.1 and the second semicircular middle shell 2.2 are respectively hinged on semicircular annular connecting plates 6.2 at the side parts of the two semicircular rings 6.1; the inner diameter of the middle wire box 2 after buckling and matching is matched with the outer diameter of the second end wire box 5 and the outer diameter of the two semi-circular annular connecting plates 6.2 after closing, the first semi-circular middle shell 2.1 and the second semi-circular middle shell 2.2 are connected with two sides of one end of the second end wire box 5 in a buckling mode, and the middle wire box 2 wraps part of the second end wire box 5 and part of the semi-circular annular connecting plates 6.2; a cavity for the insulated wire 3 to pass through is formed in the middle of the open-close type current transformer 6, the middle wire box 2, the first end wire box 4 and the second end wire box 5, and the power-taking wire 6.3 of the open-close type current transformer 6 is communicated with the exposed core 1 of the insulated wire; a support 9 is arranged on the inner wall of the first semicircular middle shell 2.1, a metal spring 10 is arranged on the support 9, the free end part of the metal spring 10 is connected with a conductive metal block 11, and a power-taking lead 6.3 is connected with the metal spring 10 in the support 9. And a support seat 12 is arranged on the inner wall of the second semicircular middle shell 2.2, and the support seat 12 and the support 9 are symmetrically arranged. The inner wall of the middle wire box 2 wrapping the second end wire box 5 and the semicircular annular connecting plate 6.2 is provided with a sealing gasket, and the contact part of the open-close type current transformer 6 and the first end wire box 4 is provided with a sealing gasket.

During the use, according to the model specification selection corresponding anti-falling power supply type current transformer of insulated wire 3, after confirming the model, peel off insulating crust at 3 suitable positions of insulated wire, expose the sinle silk part, expose the waterproof sticky tape on the position winding that sinle silk 1 part is close to insulating crust at insulated wire, expose No. 4 end line boxes 5 of insulating wire 3 punishment of sinle silk 1 both ends department at insulated wire respectively fixed one number, again fixed open-close type current transformer 6 on No. 4 end line boxes, pass through buckle butt joint cooperation with middle line box 2 at last, can seal exposed sinle silk part, conducting metal piece 11 and the exposed sinle silk 1 contact of insulated wire, also can realize open-close type current transformer 6's the electricity of getting.

The described embodiments are only some, but not all embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Claims (7)

1. A power supply type current transformer prevents falling, characterized by, include the middle line box used for holding the exposed core of the insulated wire and locate at exposed core both ends of insulated wire and end line box used for wrapping up the insulated wire of exposed core both ends of insulated wire separately, the end line box is divided into first end line box and second end line box, first end line box department has open-close type current transformer, open-close type current transformer wraps up some first end line box, the internal diameter of open-close type current transformer and first end line box external diameter adaptation; the open-close type current transformer comprises two corresponding semicircular ring bodies, one ends of the two semicircular ring bodies are hinged, the other ends of the two semicircular ring bodies are connected in a buckling mode, and semicircular annular connecting plates are arranged on the same sides of the two semicircular ring bodies; the middle wire box is composed of a first semicircular middle shell and a second semicircular middle shell which are in butt-buckling fit, and the first semicircular middle shell and the second semicircular middle shell are respectively hinged on semicircular annular connecting plates at the side parts of the two semicircular ring bodies; the inner diameter of the middle wire box is matched with the outer diameter of the second end wire box in a buckling mode, and the outer diameter of the two semi-circular annular connecting plates after the two semi-circular intermediate shells are closed is matched with the outer diameter of the second end wire box in a buckling mode; the middle parts of the open-close type current transformer, the middle wire box, the first end wire box and the second end wire box form a cavity for the insulated wire to pass through, and the power taking wire of the open-close type current transformer is communicated with the exposed wire core of the insulated wire.

2. The power supply type current transformer against falling of claim 1, characterized in that the first terminal wire box and the second terminal wire box are each composed of two semicircular terminal ring-shaped housings, one end of the two semicircular terminal ring-shaped housings is hinged, and the other end is provided with a screw hole and connected by a screw nut.

3. The reverse power supply prevention type current transformer according to claim 2, wherein a screw handle is provided on the screw.

4. The anti-back power supply type current transformer according to claim 1, wherein the inner walls of the middle wire box, which are wrapped by the second end wire box and the semicircular annular connecting plate, are provided with sealing gaskets, and the contact parts of the open-close type current transformer and the first end wire box are provided with sealing gaskets.

5. The power supply back prevention type current transformer according to claim 1, wherein the semicircular ring-shaped connecting plate and the semicircular ring body are integrally formed.

6. The anti-back power supply type current transformer according to claim 1, wherein a support is arranged on the inner wall of the first semicircular middle shell, a metal spring is arranged on the support, the free end part of the metal spring is connected with a conductive metal block, and a power-taking lead is connected with the metal spring in the support.

7. The power supply collapse prevention type current transformer according to claim 6, wherein the inner wall of the second semicircular middle shell is provided with a support seat, and the support seat are symmetrically arranged.

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