CN216623973U

CN216623973U - Punching electronic current transformer for intelligent gas-filled cabinet

Info

Publication number: CN216623973U
Application number: CN202220073846.8U
Authority: CN
Inventors: 毛卫兴
Original assignee: Jiangsu Eryi Electric Co ltd
Current assignee: Jiangsu Eryi Electric Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-05-27
Anticipated expiration: 2032-01-12

Abstract

The utility model discloses a punching electronic current transformer for an intelligent gas-filled cabinet, which has the technical scheme main points that: the magnetic core is wound with a coil, the front end and the rear end of the magnetic core are respectively provided with a shell, one of the shells is provided with two connecting holes, the two ends of the coil are extended out of the connecting holes, the two ends of the coil are provided with press grooves, the end, close to each other, of the arc surface of the shell is provided with a convex edge, the two ends of the press groove are connected with each other through a clamp, a sealing blank holder is arranged at the position, where the clamp is aligned with the press grooves, of the shell, the mounting seat is connected to the bottom end of the shell, the problem that the existing current transformer is poor in sealing effect and causes the inner coil of the current transformer to easily breed copper rust is solved, meanwhile, the current transformer with the structure is convenient and quick to disassemble, the working efficiency of workers is affected, the structure of the current transformer is improved and optimized, and the shell of the current transformer can be sufficiently sealed.

Description

Punching electronic current transformer for intelligent gas-filled cabinet

Technical Field

The utility model relates to the technical field of current transformers, in particular to a feedthrough electronic type current transformer for an intelligent gas-filled cabinet.

Background

The current transformer principle is based on the electromagnetic induction principle. The current transformer is composed of a closed iron core and a winding. The primary side winding of the current transformer has few turns and is connected in series in a circuit of current to be measured, so that all current of the circuit always flows through the current transformer, the secondary side winding has more turns and is connected in series in a measuring instrument and a protection circuit, and when the current transformer works, the secondary side circuit of the current transformer is always closed, so that the impedance of the series coil of the measuring instrument and the protection circuit is very small, and the working state of the current transformer is close to short circuit. The current transformer converts a large current on the primary side into a small current on the secondary side for use, and the secondary side cannot be opened.

Chinese patent publication No. CN211577248 discloses a feed-through current transformer, which comprises a feed-through current transformer main body, wherein a sealing mechanism I is arranged on the outer surface of the front end of the feed-through current transformer main body, and a sealing mechanism II is arranged on the outer surface of the rear end of the feed-through current transformer main body. According to the through type current transformer, through the arranged fixing mechanism, workers can complete fixed installation work without the cooperation of tools, and only the fixing mechanism needs to be pulled out with force during later-stage maintenance, so that the labor amount of the workers is reduced, the working efficiency is improved, through the arranged sealing mechanism I, the insulating sealing shell is fixed at the joint through the permanent magnetic sheet, the joint is sealed, and meanwhile, the sealing performance can be further improved through the U-shaped fixing groove and the U-shaped sealing ring, the moisture absorption damage is prevented, the overall flame retardant performance of the device can be improved, the service life of the device is effectively prolonged, and a better use prospect is brought.

The current mutual inductance described above has the following problems in use: the current transformer is poor in sealing effect, so that a coil inside the current transformer is easy to generate rust, and meanwhile, the current transformer with the structure is convenient and quick to disassemble, and the working efficiency of workers is affected.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems mentioned in the background technology, the utility model aims to provide a feedthrough electronic current transformer for an intelligent gas-filled cabinet, so as to solve the problems mentioned in the background technology.

The technical purpose of the utility model is realized by the following technical scheme:

the utility model provides an intelligent cabinet of aerifing is with punching electronic type current transformer, includes the magnetic core, and the winding has the coil on the magnetic core, and both ends all are equipped with the shell around the magnetic core, and are equipped with two connecting holes on one of them shell, and the coil both ends are followed the connecting hole and are spilt, and the one end that two shell arc surfaces are close to each other all is equipped with the indent, and the indent edge is equipped with the chimb, and links together through the clamp between two shells, and the position that the clamp aligns the indent is equipped with sealed blank pressing, and the shell bottom is connected with the mount pad.

Through adopting the above technical scheme, magnetic core and coil are convenient for whole mutual-inductor performance normal effect, the shell is convenient for protect magnetic core and coil, the normal use of magnetic core and coil has been guaranteed, the connecting hole is convenient for coil end portion and external lines link together, indent and chimb are convenient for cooperate the clamp, make things convenient for the clamp can effectually link together two shells and carry out sealed processing, sealed blank pressing is convenient for compress tightly on the indent, thereby make and obtain effectual sealed between clamp and the shell, the mount pad is convenient for whole current transformer is stable and use.

Preferably, the two ends of the coil are provided with connector lugs, the connector lugs are connected with connecting bolts, and the connecting bolts are connected with the connecting holes.

Through adopting above-mentioned technical scheme, connector lug and binding bolt are convenient for cooperate external line to make things convenient for the coil to cooperate the external line to use, be convenient for whole current transformer's installation and function.

Preferably, the middle part of the shell is provided with a through hole, and the bottom end of the arc surface of the shell is provided with an inserting plate.

Through adopting above-mentioned technical scheme, the perforation is convenient for the wire to pass in the middle of the current transformer from it to the convenience reduces the electric current of wire, is convenient for exert current transformer's effect, and the picture peg is convenient for the shell and is linked together with the mount pad, and the installation and the fixed of the shell of being convenient for make things convenient for the installation and the use of shell.

Preferably, the clamp one end is equipped with the connector, and the clamp other end is equipped with the switching ring, and the rotation is connected with adjusting bolt on the switching ring, and adjusting bolt and connector threaded connection are in the same place.

Through adopting above-mentioned technical scheme, the connector is convenient for cooperate adjusting bolt to the clamp is tightened up through adjusting bolt's constantly tightening to the convenience, makes the stable two shells of being in the same place of clamp link, and the adapter ring is convenient for adjusting bolt and clamp rotate to link together, the adjusting bolt's of being convenient for use.

Preferably, the two sides of the mounting seat are provided with connecting feet, and the middle parts of the connecting feet are provided with bolt holes.

Through adopting above-mentioned technical scheme, connect foot and bolt hole and be convenient for cooperate the bolt to conveniently fix the mount pad in appointed position, make things convenient for current transformer's installation and dismantlement through the bolt.

Preferably, the front end and the rear end of the upper surface of the mounting seat are respectively provided with a socket, and the front surface and the back surface of the mounting seat are provided with jackscrews aligned with the sockets.

Through adopting above-mentioned technical scheme, the socket is convenient for the picture peg of shell and is inserted inside the mount pad, makes things convenient for the installation and the fixed of shell, and the jackscrew is convenient for cooperate the bolt to the convenience links together the shell is stable with the mount pad through the bolt.

In summary, the utility model mainly has the following beneficial effects: the structure of the current transformer is improved and optimized, so that the shell of the current transformer can be sufficiently sealed, moisture absorption between the shells is not easy, the coil inside the current transformer cannot generate copper rust, and meanwhile, the current transformer with the structure is convenient to install and disassemble, and is convenient for workers to use the current transformer.

Drawings

FIG. 1 is a schematic diagram of the current transformer of the present invention;

FIG. 2 is a schematic diagram of the structure of the magnetic core of the present invention;

FIG. 3 is a schematic view of the housing construction of the present invention;

FIG. 4 is a schematic view of a clamp configuration according to the present invention;

fig. 5 is a schematic view of the structure of the mounting seat of the present invention.

Reference numerals: 1. a magnetic core; 11. a coil; 12. a connector lug; 13. a wiring bolt; 2. a housing; 21. perforating; 22. pressing a groove; 23. a convex edge; 24. inserting plates; 25. connecting holes; 3. clamping a hoop; 31. a connector; 32. a transfer ring; 33. adjusting the bolt; 34. sealing and pressing edges; 4. a mounting seat; 41. a connecting pin; 42. bolt holes; 43. a socket; 44. and (5) jacking the screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 5, a feedthrough electronic current transformer for an intelligent gas-filled cabinet comprises a magnetic core 1, a coil 11 is wound on the magnetic core 1, and the magnetic core 1 and the coil 11 facilitate the whole transformer to perform normal functions; the front end and the rear end of the magnetic core 1 are respectively provided with the shell 2, the shells 2 are convenient for protecting the magnetic core 1 and the coil 11, and the normal use of the magnetic core 1 and the coil 11 is ensured; two connecting holes 25 are formed in one of the shells 2, the connecting holes 25 are convenient for matching with the coil 11, so that the coil 11 is convenient to be connected with an external circuit, connector lugs 12 are arranged at two ends of the coil 11, a connecting bolt 13 is connected onto the connector lugs 12, the connector lugs 12 and the connecting bolt are convenient for connecting the end parts of the coil 11 with connecting blocks and the connecting bolt 13 with an external wire together in a matching mode, and the connecting bolt 13 is connected with the connecting holes 25 together; one ends, close to each other, of the arc surfaces of the two shells 2 are provided with pressure grooves 22, the edges of the pressure grooves 22 are provided with convex edges 23, the two shells 2 are connected together through a hoop 3, the pressure grooves 22 and the convex edges 23 are convenient to match with the hoop 3, and the hoop 3 can effectively connect the two shells 2 together and carry out sealing treatment; the position of the clamp 3, which is aligned with the pressure groove 22, is provided with a sealing blank 34, and the sealing blank 34 is convenient to be pressed on the pressure groove 22, so that the effective sealing between the clamp 3 and the shell 2 is achieved; the bottom end of the arc surface of the shell 2 is provided with an inserting plate 24, the bottom end of the inserting plate 24 is connected with a mounting seat 4, and the mounting seat 4 is convenient for the stability and the use of the whole current transformer; a socket 43 is arranged on the upper surface of the mounting seat 4 in alignment with the plug board 24, and the socket 43 facilitates the plug board 24 to be inserted into the socket 43, so that the shell 2 and the mounting seat 4 can be conveniently connected together; the jack screw 44 is arranged at the position of the jack 43 aligned with the front end and the rear end of the mounting seat 4, the jack screw 44 is convenient for fixing the shell 2, and the shell 2 is convenient to be stably connected with the mounting seat 4.

Referring to fig. 3, the housing 2 is provided with a through hole 21 at the middle thereof; the through hole 21 is convenient for the lead to pass through the middle of the current transformer, thereby being convenient for reducing the current of the lead and playing the role of the current transformer.

Referring to fig. 4, 3 one end of clamp is equipped with connector 31, connector 31 is convenient for cooperate adjusting bolt 33, thereby the convenient constantly tightening through adjusting bolt 33 tightens up clamp 3, make clamp 3 stable link together two shells 2, the clamp 3 other end is equipped with adapter ring 32, adapter ring 32 is convenient for adjusting bolt 33 and clamp 3 rotate and link together, the use of adjusting bolt 33 of being convenient for, it is connected with adjusting bolt 33 to rotate on adapter ring 32, adjusting bolt 33 and connector 31 threaded connection are in the same place.

Referring to fig. 5, the mounting base 4 is provided with connecting legs 41 at both sides thereof, and bolt holes 42 are provided in the middle of the connecting legs 41; the connecting pins 41 and the bolt holes 42 are convenient for matching bolts, so that the mounting base 4 is conveniently fixed at a specified position through the bolts, and the current transformer is convenient to mount and dismount.

The using method comprises the following steps: according to user demand during the use with magnetic core 1 and shell 2 cooperation together, and make 11 both ends of coil cooperation terminal bolt 13 install on shell 2, later utilize clamp 3 with two stable connections of shell 2 together, and can be effectual seal the processing between two shells 2 under the cooperation of sealed blank holder 34 and indent 22, later fix mount pad 4 in appointed position, then align mount pad 4 with the picture peg 24 of shell 2 and insert inside socket 43, later screw up jackscrew 44 and can reach the purpose of fixed current transformer, only need unscrew jackscrew 44 when needing to dismantle current transformer can.

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 spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an intelligent cabinet of aerifing is with punching electronic type current transformer which characterized in that: including magnetic core (1), the winding has coil (11) on magnetic core (1), both ends all are equipped with shell (2) around magnetic core (1), and one of them be equipped with two connecting holes (25) on shell (2), coil (11) both ends are followed connecting hole (25) and are visited out, two the one end that shell (2) arc surface is close to each other all is equipped with indent (22), indent (22) edge is equipped with chimb (23), and two link together through clamp (3) between shell (2), the position that clamp (3) align indent (22) is equipped with sealed blank pressing (34), shell (2) bottom is connected with mount pad (4).

2. The feedthrough electronic current transformer for the intelligent gas-filled cabinet according to claim 1, characterized in that: the coil (11) both ends are equipped with connector lug (12), connector lug (12) department is connected with wiring bolt (13), wiring bolt (13) link together with connecting hole (25).

3. The feedthrough electronic current transformer for the intelligent gas-filled cabinet according to claim 1, characterized in that: the middle of the shell (2) is provided with a through hole (21), and the bottom end of the arc surface of the shell (2) is provided with a plug board (24).

4. The feedthrough electronic current transformer for the intelligent gas-filled cabinet according to claim 1, characterized in that: clamp (3) one end is equipped with connector (31), clamp (3) other end is equipped with adapter ring (32), it is connected with adjusting bolt (33) to rotate on adapter ring (32), adjusting bolt (33) and connector (31) threaded connection are in the same place.

5. The feedthrough electronic current transformer for the intelligent gas-filled cabinet as recited in claim 4, wherein: the mounting seat (4) is provided with connecting feet (41) on two sides, and bolt holes (42) are formed in the middle of the connecting feet (41).

6. The feedthrough electronic current transformer for the intelligent gas-filled cabinet as recited in claim 5, wherein: both ends all are equipped with socket (43) around mount pad (4) upper surface, the position that mount pad (4) front and back align socket (43) is equipped with jackscrew (44).