CN218675120U

CN218675120U - Current detection device for current transformer

Info

Publication number: CN218675120U
Application number: CN202222828448.5U
Authority: CN
Inventors: 尹兴娟; 邹洪军
Original assignee: Nantong Chuangtu Electronic Technology Co ltd
Current assignee: Neihuang County Lianxin Electronics Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-03-21
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses a be used for current transformer current detection device, including the current transformer field tester, install the appearance lid on the current transformer field tester, install a plurality of connector lugs on the current transformer field tester, fixed mounting has the backup pad on the current transformer field tester, is provided with the long slab in the backup pad, has seted up the round hole on the long slab, and the round hole equals and the position one-to-one with the quantity of connector lug, and the inside fixed mounting of long slab has the stock, and fixed mounting has the elasticity rope on the long slab, the bottom and the current transformer field tester fixed mounting of elasticity rope, the utility model relates to a be used for current transformer current detection device, through setting up splint, elasticity rope and first spring, can clip the plug through a plurality of splint of spring pulling, just so can provide a power that is close to the current transformer field tester direction to the plug on the circuit through the elasticity rope to reduce the possibility of plug virtual connection.

Description

Current detection device for current transformer

Technical Field

The utility model relates to a current detection technical field, in particular to be used for current transformer current detection device.

Background

The current transformer is an instrument for measuring by converting a large primary side current into a small secondary side current according to the electromagnetic induction principle. The current transformer is composed of a closed iron core and a winding. The primary side winding of the transformer has few turns and is connected in a current line to be measured.

Therefore, the current transformer current detection device is a field transformer transformation ratio measurement device, which is generally a current transformer field tester with the model number of CT5881, but the existing current transformer field tester has some problems in specific use:

1. when using current transformer field test appearance, need use the test wire, online line etc. will be linked together by the connector lug on test object and the current transformer field test appearance, but when inserting the circuit in the connector lug on the current transformer field test appearance, need insert and establish the condition that closely prevents to appear virtual connecing, but along with the removal by test object or current transformer field test appearance, can lead to the current transformer field test appearance to appear rocking, and then the condition that virtual connecing appears, influence the testing result.

2. When the current transformer field tester is not used, lines such as a test line and a connecting line need to be taken down from the current transformer field tester and the detected object and then stored, but when the lines are stored, the lines need to be stored separately, so that the lines are easy to lose.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for current transformer current detection device to the removal along with being detected object or current transformer field tester that proposes among the above-mentioned background of solution can lead to current transformer field tester to appear rocking, and then the condition of virtual connecing appears, influences the problem of testing result.

In order to achieve the above object, the utility model provides a following technical scheme: a current detection device for a current transformer comprises a current transformer field tester, wherein a tester cover is installed on the current transformer field tester, a plurality of connector lugs are installed on the current transformer field tester, a supporting plate is fixedly installed on the current transformer field tester, a long plate is arranged on the supporting plate, round holes are formed in the long plate, the number of the round holes is equal to that of the connector lugs, the positions of the round holes correspond to those of the connector lugs one by one, a long rod is fixedly installed inside the long plate, a clamping plate is arranged on the long rod, an elastic rope is fixedly installed on the long plate, and the bottom end of the elastic rope is fixedly installed with the current transformer field tester;

the instrument cover is characterized in that a frame is fixedly arranged inside the instrument cover, a first pressing plate is fixedly arranged inside the frame, a rectangular plate is arranged inside the frame, and a second pressing plate is fixedly arranged at one end, close to the first pressing plate, of the rectangular plate.

As a preferred technical scheme of the utility model, the quantity of splint equals with the quantity of round hole, and is a plurality of splint are located the outside one end fixed mounting of long slab and have the connecting plate, the one end fixed mounting that the backup pad was kept away from to the connecting plate has first spring.

As a preferred technical scheme of the utility model, the one end fixed mounting that the connecting plate was kept away from to first spring has a square plate, the one end fixed mounting that the backup pad was kept away from to square plate and rectangular plate, the cross sectional shape of backup pad is "L" shape.

As an optimal technical scheme of the utility model, the short arm end of backup pad is provided with the pivot, the lower extreme fixed mounting of pivot has the layer board.

As an optimal technical scheme of the utility model, fixed mounting has the second spring on the second clamp plate, the one end and the frame fixed mounting of second clamp plate are kept away from to the second spring.

As a preferred technical scheme of the utility model, two spouts have been seted up on the instrument cover, the inside of spout is provided with places the seat.

As an optimized technical scheme of the utility model, the jack has been seted up on placing the seat, the inside of placing the seat is provided with the screw.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up splint, elasticity rope and first spring, can carry the plug through a plurality of splint of first spring pulling, just so can provide a power that is close to current transformer field tester direction to the plug on the circuit through the elasticity rope to reduce the virtual possibility that connects of plug.

2. The utility model discloses a seat, frame and second spring are placed in the setting, when can making the circuit winding on the frame, promote the second clamp plate through the second spring and clip the circuit, when preventing that the electric wire from scattering, make the electric wire be in instrument lid in and carry with current transformer field tester together, through inserting the plug on the circuit and place the jack on the seat in, can prevent that screen, control button etc. on the plug to the current transformer field tester from causing the damage.

Drawings

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

FIG. 2 is a schematic structural view of the long plate portion of the present invention;

FIG. 3 is a schematic structural view of a supporting plate portion of the present invention;

FIG. 4 is a schematic structural view of a frame portion of the present invention;

fig. 5 is a schematic structural view of the seat portion of the present invention.

In the figure: 1. a current transformer field tester; 201. a long plate; 202. a circular hole; 203. a splint; 204. a connecting plate; 205. a long rod; 206. a first spring; 207. a support plate; 208. a support plate; 209. a rotating shaft; 210. an elastic cord; 211. a square plate; 301. a frame; 302. a placing seat; 303. a chute; 304. a first presser plate; 305. a second platen; 306. a rectangular plate; 307. a second spring; 308. a screw; 309. a jack; 4. an instrument cover; 5. a connector lug.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-5, the present invention provides a technical solution for a current transformer current detection device:

the first embodiment is as follows:

according to fig. 1, fig. 2 and fig. 3, a current detection device for a current transformer, including a current transformer field tester 1, an instrument cover 4 is installed on the current transformer field tester 1, a plurality of connector lugs 5 are installed on the current transformer field tester 1, a support plate 207 is fixedly installed on the current transformer field tester 1, a long plate 201 is installed on the support plate 207, the long plate 201 is sleeved on the surface of the support plate 207, a round hole 202 is opened on the long plate 201, the round hole 202 is equal to the connector lugs 5 in number and in one-to-one correspondence to the positions, a long rod 205 is fixedly installed inside the long plate 201, a clamp plate 203 is installed on the long rod 205, the clamp plate 203 is slidably connected with the long rod 205, an elastic rope 210 is fixedly installed on the long plate 201, the bottom end of the elastic rope 210 is fixedly installed with the current transformer field tester 1, the number of the clamp plate 203 is equal to the number of the round hole 202, a connecting plate 204 is fixedly installed at one end of the plurality of clamp plates 203 outside the long plate 201, a first spring 206 is fixedly installed with a first spring 206, one end of the connecting plate 206 far away from the connecting plate 211 is fixedly installed with a square plate 211, a rotating shaft 209 is installed with a rotating arm 209 of the support plate 207, and a rotating shaft 209 is installed at the lower end of the supporting plate 207.

When specifically using, the utility model relates to a be used for current transformer current detection device, when needs use current transformer field tester 1, can make the plug of circuit insert in the round hole 202 on the long board 201, make the plug pass round hole 202 on the long board 201 and be connected with current transformer field tester 1, just so can remove towards the direction that is close to square plate 211 through a plurality of splint 203 of first spring 206 pulling, and then clip the plug, make layer board 208 remove from the below of long board 201 through rotating pivot 209 after that, in order to remove the fixed to long board 201, because elasticity rope 210 is in tensile state, can remove towards the direction that is close to current transformer field tester 1 through elasticity rope 210 pulling long board 201 this moment, and then provide a power that is close to current transformer field tester 1 direction to the plug on the circuit, with the possibility that reduces the plug virtual connection.

The second embodiment:

on the basis of the first embodiment, as shown in fig. 1, 4 and 5, a frame 301 is fixedly installed inside the instrument cover 4, a first pressing plate 304 is fixedly installed inside the frame 301, a rectangular plate 306 is arranged inside the frame 301, the rectangular plate 306 is inserted into an inner wall of the frame 301, a second pressing plate 305 is fixedly installed at one end of the rectangular plate 306 close to the first pressing plate 304, a second spring 307 is fixedly installed on the second pressing plate 305, one end of the second spring 307 far away from the second pressing plate 305 is fixedly installed on the frame 301, two sliding grooves 303 are formed in the instrument cover 4, a placing seat 302 is arranged inside the sliding groove 303, the placing seat 302 is slidably connected with the inner wall of the sliding groove 303, an insertion hole 309 is formed in the placing seat 302, a screw 308 is arranged inside the placing seat 302, and the screw 308 is threadedly connected with the inner wall of the placing seat 302.

When specifically using, the utility model relates to a be used for current transformer current detection device, when needs accomodate the circuit, can twine the circuit on two frames 301, in the winding circuit, the circuit can produce the extrusion with the surface of slope on first clamp plate 304 and the second clamp plate 305, and then make second clamp plate 305 remove towards the direction of keeping away from first clamp plate 304, second spring 307 is in compression state this moment, just so can make the circuit twine in frame 301, promote second clamp plate 305 through second spring 307 and clip the circuit, when preventing the electric wire from scattering, make the electric wire be in and carry together with current transformer field tester 1 in instrument lid 4, insert through the plug on the circuit and place in the jack 309 on the seat 302, then clip the plug through rotating screw 308, can prevent that the plug from swinging in instrument lid 4, and then to the screen on the current transformer field tester 1, control button etc. cause the damage.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and inventive spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A current detection device for a current transformer comprises a current transformer field tester (1), and is characterized in that: the current transformer field tester (1) is provided with a tester cover (4), the current transformer field tester (1) is provided with a plurality of connector lugs (5), the current transformer field tester (1) is fixedly provided with a support plate (207), the support plate (207) is provided with a long plate (201), the long plate (201) is provided with round holes (202), the round holes (202) are equal to the connector lugs (5) in number and correspond to the connector lugs in position one to one, a long rod (205) is fixedly arranged in the long plate (201), a clamping plate (203) is arranged on the long rod (205), an elastic rope (210) is fixedly arranged on the long plate (201), and the bottom end of the elastic rope (210) is fixedly arranged with the current transformer field tester (1);

the instrument cover is characterized in that a frame (301) is fixedly mounted inside the instrument cover (4), a first pressing plate (304) is fixedly mounted inside the frame (301), a rectangular plate (306) is arranged inside the frame (301), and a second pressing plate (305) is fixedly mounted at one end, close to the first pressing plate (304), of the rectangular plate (306).

2. A current detecting device for a current transformer according to claim 1, wherein: the quantity of splint (203) equals with the quantity of round hole (202), and is a plurality of splint (203) are located the outside one end fixed mounting of long board (201) and have connecting plate (204), the one end fixed mounting that backup pad (207) was kept away from in connecting plate (204) has first spring (206).

3. A current detecting device for a current transformer according to claim 2, wherein: one end, far away from connecting plate (204), of first spring (206) is fixedly mounted with square plate (211), one end, far away from supporting plate (207), of square plate (211) and long plate (201) is fixedly mounted, and the cross-sectional shape of supporting plate (207) is "L" shape.

4. A current detecting device for a current transformer according to claim 1, wherein: the short arm end of backup pad (207) is provided with pivot (209), the lower extreme fixed mounting of pivot (209) has layer board (208).

5. A current detecting device for a current transformer according to claim 1, wherein: a second spring (307) is fixedly installed on the second pressure plate (305), and one end, far away from the second pressure plate (305), of the second spring (307) is fixedly installed on the frame (301).

6. A current detecting device for a current transformer according to claim 1, wherein: two sliding grooves (303) are formed in the instrument cover (4), and a placing seat (302) is arranged in each sliding groove (303).

7. The current detecting device for the current transformer according to claim 6, wherein: the placing seat (302) is provided with an insertion hole (309), and a screw (308) is arranged inside the placing seat (302).