CN217881140U

CN217881140U - Novel current transformer

Info

Publication number: CN217881140U
Application number: CN202222074684.2U
Authority: CN
Inventors: 林黎翔; 周金吾; 刘美钦
Original assignee: FUJIAN SYNPOWER ELECTRIC EQUIPMENT CO LTD
Current assignee: FUJIAN SYNPOWER ELECTRIC EQUIPMENT CO LTD
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-11-22
Anticipated expiration: 2032-08-08

Abstract

The utility model discloses a novel current transformer belongs to current transformer technical field, a novel current transformer, including the current transformer body, set up fixed block on the current transformer body terminal surface, install locating component on the fixed block, install serpentine spring on the locating component and the circuit that awaits measuring, locating component includes the pin, the fixed block is equipped with the through-hole that corresponds with the pin, and the pin links to each other with the fixed block grafting, pin outer wall department is equipped with the spacing boss of first spacing boss and second respectively, serpentine spring cup joints at the pin outside, and it can realize, and elastic force through serpentine spring makes the pin reset, and then makes the grafting end of pin plug in to the inboard of locating hole, and then the spacing boss of second and fixed block outer wall looks butt, not only easy operation can be fixed current transformer body installation through two point's centre grippings moreover.

Description

Novel current transformer

Technical Field

The utility model relates to a current transformer technical field, more specifically say, relate to a novel current transformer.

Background

Current transformer utilizes the equipment of electromagnetism principle test power supply line or copper bar medium-current size, current transformer mostly can not be for the circuit snap-on of circular structure with the cross-section, just so make when using need consider many-sided factor, for example how to fix current transformer, how to lay the circuit that awaits measuring, just cause the installation effectiveness low, and the complicated condition of installation, a novel current transformer of current patent, realized fixing current transformer and cross-section for the circuit that awaits measuring of circular structure in patent application No. CN202021395548.8, and convenient for operation, and the mounted position is nimble, has better practicality.

However, when the current transformer is installed on a circuit to be tested with a circular cross section in patent application No. CN202021395548.8, a plurality of tightening screws need to be screwed, and the current transformer is installed and fixed on the circuit to be tested by using a plurality of clamping points, which is relatively cumbersome to operate, so that there is still room for improvement, and we propose a novel current transformer to solve the above existing problems.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a novel current transformer, it can realize the elastic force through serpentine spring, makes the pin reset, and then makes the grafting end of pin plug in the inboard of locating hole, and then spacing boss of second and fixed block outer wall looks butt, and not only easy operation can be fixed to the installation of current transformer body through the centre gripping of two points moreover.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A novel current transformer comprises a current transformer body, a fixed block arranged on the end face of the current transformer body, a positioning assembly arranged on the fixed block, a serpentine spring arranged on the positioning assembly and a circuit to be tested;

the positioning assembly comprises a pin, the fixing block is provided with a through hole corresponding to the pin, the pin is connected with the fixing block in an inserting manner, and the outer wall of the pin is respectively provided with a first limiting boss and a second limiting boss;

the serpentine spring is sleeved outside the pin, and two ends of the serpentine spring are respectively abutted with the first limiting boss and the surface of the fixed block close to the first limiting boss;

the outer part of the line to be tested is sleeved with a sleeve, positioning holes are symmetrically formed in the outer wall of the sleeve and correspond to the inserting ends of the pins.

Furthermore, the fixed block is provided with two at the current transformer body symmetry, and two the fixed block is the integrated into one piece structure with the current transformer body.

Furthermore, the first limiting boss, the second limiting boss and the pin are of an integrally formed structure, and the outer diameters of the first limiting boss and the second limiting boss are larger than the inner diameter of the through hole formed in the fixing block.

Further, the outer diameter of the serpentine spring is smaller than the outer diameter of the first limiting boss.

Furthermore, the inner diameter of the positioning hole is matched with the outer diameter of the inserting end of the pin.

Further, the inner diameter of the sleeve is larger than the outer diameter of the line to be measured.

Further, the compound bonding of sleeve pipe inner wall has the film, and the film ring is equipped with a plurality ofly, and is a plurality of the film all is the arc structure setting, and is a plurality of the film is provided with anti-skidding line with the corresponding side surface of circuit that awaits measuring.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) This scheme, after the circuit that awaits measuring with the sleeve pipe installation location, cup joint the current transformer body on the circuit that awaits measuring, then through operating personnel simultaneous phase both sides pulling pin, under the effect of first spacing boss and fixed block, cup joint at the outside serpentine spring of pin by compressive deformation, after the locating hole that the grafting end of pin and sleeve pipe outer wall department set up is corresponding, through serpentine spring's elastic force, make the pin reset, and then make the grafting end of pin plug in the inboard of locating hole, then the spacing boss of second and fixed block outer wall looks butt, and is not only easy to operate, and can be fixed the current transformer body installation through two point centre grippings.

(2) This scheme, the sleeve pipe utilizes the film to be connected with the circuit interference that awaits measuring, makes things convenient for the bushing to install on the circuit that awaits measuring, convenient operation to the mounted position is nimble, convenient operation.

Drawings

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

FIG. 2 is a schematic structural view of the positioning assembly of the present invention;

FIG. 3 is a schematic view of the structure of the casing according to the present invention;

fig. 4 is a schematic diagram of the film structure of the present invention.

The reference numbers in the figures illustrate:

1. a current transformer body;

2. a fixed block;

3. a pin; 301. a first limit boss; 302. a second limit boss;

4. a serpentine spring;

5. a sleeve; 501. positioning holes;

6. a film;

7. and (6) a line to be tested.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

The embodiment is as follows:

referring to fig. 1-4, a novel current transformer comprises a current transformer body 1, a fixed block 2 arranged on the end face of the current transformer body 1, a positioning component arranged on the fixed block 2, a serpentine spring 4 arranged on the positioning component, and a circuit 7 to be tested;

the positioning assembly comprises a pin 3, the fixing block 2 is provided with a through hole corresponding to the pin 3, the pin 3 is connected with the fixing block 2 in an inserted manner, and the outer wall of the pin 3 is provided with a first limiting boss 301 and a second limiting boss 302 respectively;

the serpentine spring 4 is sleeved outside the pin 3, and two ends of the serpentine spring 4 are respectively abutted with the first limiting boss 301 and the surface of the fixed block 2 close to the first limiting boss 301;

a sleeve 5 is sleeved outside the line 7 to be tested, positioning holes 501 are symmetrically formed in the outer wall of the sleeve 5, and the positioning holes 501 correspond to the inserting ends of the pins 3;

it should be noted that: after 5 installation location of sleeve pipe on the circuit 7 that awaits measuring, cup joint current transformer body 1 on the circuit 7 that awaits measuring, then through operating personnel simultaneous phase both sides pulling pin 3, under the effect of first spacing boss 301 and fixed block 2, cup joint the serpentine spring 4 of 3 outsides at the pin by compressive deformation, after the locating hole 501 that the grafting end of

3 and 5 outer walls of sleeve pipe department seted up is corresponding, through serpentine spring 4's elastic force, make pin 3 reset, and then make the grafting end of pin 3 plug in the inboard of locating hole 501, then the spacing boss 302 of second and the looks butt of fixed block 2 outer wall, and not only easy operation, but also can be fixed the installation of current transformer body 1 through two point centre grippings.

Example two

Referring to fig. 1 and 2, two fixing blocks 2 are symmetrically arranged on a current transformer body 1, the two fixing blocks 2 and the current transformer body 1 are in an integrally formed structure, a first limiting boss 301 and a second limiting boss 302 and a pin 3 are in an integrally formed structure, the outer diameters of the first limiting boss 301 and the second limiting boss 302 are larger than the inner diameter of a through hole formed in the fixing block 2, and the outer diameter of a serpentine spring 4 is smaller than the outer diameter of the first limiting boss 301;

it should be noted that, the pin 3 is pulled by the operator at the same time, under the action of the first limit boss 301 and the fixing block 2, the serpentine spring 4 sleeved outside the pin 3 is compressed and deformed, after the insertion end of the pin 3 corresponds to the positioning hole 501 formed in the outer wall of the sleeve 5, the pin 3 is reset by the elastic acting force of the serpentine spring 4, and then the insertion end of the pin 3 is inserted into the inner side of the positioning hole 501, and then the second limit boss 302 abuts against the outer wall of the fixing block 2, so that the pin 3 can reciprocate without departing from the fixing block 2.

EXAMPLE III

Referring to fig. 1-3, the inner diameter of the positioning hole 501 is matched with the outer diameter of the insertion end of the pin 3;

it should be noted that the installation stability of the current transformer body 1 is ensured.

Example four

Referring to fig. 3-4, the inner wall of the sleeve 5 is compositely bonded with a plurality of films 6, the films 6 are annularly arranged, the films 6 are all arranged in an arc structure, and the surfaces of one side of the films 6 corresponding to the circuit 7 to be tested are provided with anti-skid lines;

it should be noted that, the sleeve 5 is connected with the line 7 to be tested by the film 6 in an interference manner, so that the sleeve 5 is conveniently installed on the line 7 to be tested, and the operation is convenient, the installation position is flexible, and the operation is convenient.

When in use: after installing sleeve pipe 5 location on the circuit 7 that awaits measuring, cup joint current transformer body 1 on the circuit 7 that awaits measuring, then through operating personnel simultaneous phase both sides pulling pin 3, under the effect of first spacing boss 301 and fixed block 2, cup joint at the outside serpentine spring 4 of pin 3 by compressive deformation, after the locating hole 501 that the grafting end of

3 and 5 outer walls departments of sleeve pipe seted up corresponds, through serpentine spring 4's elastic force, make pin 3 reset, and then make the grafting end of pin 3 plug to connect to the inboard of locating hole 501, and then spacing boss 302 of second and 2 outer walls looks butt of fixed block, and not only easy operation, and can be fixed the installation of current transformer body 1 through two-point centre gripping.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A novel current transformer is characterized in that: the device comprises a current transformer body (1), a fixed block (2) arranged on the end face of the current transformer body (1), a positioning component arranged on the fixed block (2), a serpentine spring (4) arranged on the positioning component and a circuit (7) to be tested;

the positioning assembly comprises a pin (3), the fixing block (2) is provided with a through hole corresponding to the pin (3), the pin (3) is connected with the fixing block (2) in an inserting mode, and the outer wall of the pin (3) is provided with a first limiting boss (301) and a second limiting boss (302) respectively;

the serpentine spring (4) is sleeved outside the pin (3), and two ends of the serpentine spring (4) are respectively abutted with the first limiting boss (301) and the surface, close to the first limiting boss (301), of the fixing block (2);

the outer portion of the line to be measured (7) is sleeved with a sleeve (5), positioning holes (501) are symmetrically formed in the outer wall of the sleeve (5), and the positioning holes (501) correspond to the inserting ends of the pins (3).

2. The novel current transformer of claim 1, wherein: the current transformer is characterized in that the two fixing blocks (2) are symmetrically arranged on the current transformer body (1), and the two fixing blocks (2) and the current transformer body (1) are of an integrally formed structure.

3. The novel current transformer according to claim 1, characterized in that: the first limiting boss (301), the second limiting boss (302) and the pin (3) are of an integrated structure, and the outer diameters of the first limiting boss (301) and the second limiting boss (302) are larger than the inner diameter of the through hole formed in the fixing block (2).

4. The novel current transformer of claim 1, wherein: the outer diameter of the serpentine spring (4) is smaller than that of the first limiting boss (301).

5. The novel current transformer of claim 1, wherein: the inner diameter of the positioning hole (501) is matched with the outer diameter of the inserting end of the pin (3).

6. The novel current transformer according to claim 1, characterized in that: the inner diameter of the sleeve (5) is larger than the outer diameter of the line (7) to be measured.

7. The novel current transformer of claim 1, wherein: the compound bonding of sleeve pipe (5) inner wall has film (6), and film (6) encircle and be equipped with a plurality ofly, a plurality of film (6) all are the arc structure setting, and a plurality of film (6) are provided with anti-skidding line with the corresponding side surface of circuit (7) that awaits measuring.