CN220019724U - Transformer core ground current monitoring devices - Google Patents

Abstract

The utility model relates to the technical field of transformer cores and discloses a transformer core grounding current monitoring device. Including base, insulation board, iron core and roof, insulation board fixed connection is on the top of base, iron core fixed connection is on the upper surface of insulation board, roof fixed connection is on the top of iron core, the bottom of iron core is equipped with the earth connection, the cavity has been seted up to the inner wall of base, the inside of cavity is equipped with the electro-magnet. After the grounding wire is electrified, the electromagnet is electrified and magnetized, so that the mutual attraction between the electromagnet and the magnetic block is improved, the magnetic block can be pulled to slide along the inner wall of the cavity, the first wire and the second wire inside the control module are electrified and arranged inside the control module, signals are generated inside the control module and transmitted to the outer side through the control module and the communication antenna, and the control module and the communication antenna are convenient for workers to overhaul in time.

Description

Transformer core ground current monitoring devices

Technical Field

The utility model relates to the technical field of transformer cores, in particular to a transformer core grounding current monitoring device.

Background

The transformer core is an important component in a transformer, and has the main effects of improving the magnetic coupling efficiency of the transformer and ensuring the stability of energy transmission, and particularly, the transformer core forms a closed magnetic circuit by winding a wire on the core, so that the energy of an electromagnetic field in the transformer is more stably transmitted.

In the prior art, in order to prevent the condition that the transformer core takes place the electric leakage in the use of transformer core, need carry out real-time monitoring to the earth connection on the transformer core, and the earth connection is inconvenient timely after having a power failure with signal transmission to the outside for the staff can't in time carry out maintenance processing. Therefore, the utility model designs a transformer core grounding current monitoring device.

Disclosure of Invention

The utility model aims to solve the problem that in the prior art, after a grounding wire fails, a signal is inconvenient to transmit to the outside in time, so that a worker cannot carry out maintenance treatment in time.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a transformer core earth current monitoring devices, includes base, insulation board, iron core and roof, insulation board fixed connection is on the top of base, iron core fixed connection is on the upper surface of insulation board, roof fixed connection is on the top of iron core, the bottom of iron core is equipped with the earth connection, the cavity has been seted up to the inner wall of base, the inside of cavity is equipped with the electro-magnet, the electro-magnet is connected with the earth connection electricity, the base is located cavity left inner wall fixedly connected with control module and communication module, control module's on-surface electricity is connected with first wire and second wire, be equipped with communication antenna on communication module's the lateral wall, the inside of cavity is equipped with induction system.

Preferably, the side wall of the base is fixedly connected with a connecting plate, the inner wall of the connecting plate is provided with a threaded hole, and the inner wall of the connecting plate, which is positioned in the threaded hole, is in threaded connection with a mounting bolt.

Preferably, the induction mechanism comprises a spring, a magnetic block, a first power connection piece and a second power connection piece, wherein the spring is fixedly connected to the side wall of the electromagnet, the magnetic block is fixedly connected to one end of the spring, which is away from the electromagnet, the first wire is away from one end of the control module, which extends to the inner wall of the top end of the magnetic block, and is electrically connected with the first power connection piece, and the second wire is away from one end of the control module, which extends to the inner wall of the top end of the cavity, and is electrically connected with the second power connection piece.

Preferably, the base is located the bottom inner wall of cavity and has seted up the bar mouth, the bottom inner wall of magnetic path is seted up flutedly, first wire is located the fixed cover of line body in bar mouth and the recess inside and is equipped with the protection line cover, the protection line cover sets up to the heliciform.

Preferably, the top end inner wall fixedly connected with insulating frame of magnetic path, insulating frame laminating sets up on the lateral wall of first electric connection piece.

Preferably, the base is located at the top end inner wall of the cavity and is fixedly connected with a limit stop.

Compared with the prior art, the utility model provides a transformer core grounding current monitoring device, which has the following beneficial effects:

1. this transformer core earth current monitoring devices makes electro-magnet circular telegram magnetism through the earth connection circular telegram back, improves with the mutual suction between the magnetic path, can stimulate the inner wall slip of magnetic path along the cavity, makes the inside first wire of control module and second wire in control module's inside circular telegram setting, makes control module's inside produce the signal and through control module and communication antenna with signal transmission to the outside, the workman of being convenient for in time overhauls.

2. This transformer core earth connection current monitoring devices can play stable protection effect through a pile of first wire of protection line cover, can prevent through the insulating frame that first electric connection piece from appearing the condition of electric leakage at the top of magnetic path, can play certain spacing processing to the magnetic path through limit stop.

Drawings

Fig. 1 is a schematic structural diagram of a transformer core grounding current monitoring device according to the present utility model;

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1;

fig. 3 is a perspective view of the magnetic block in fig. 2.

In the figure: 1 base, 2 insulation board, 3 iron cores, 4 roof, 5 connecting plate, 6 mounting bolts, 7 earth wires, 8 electromagnets, 9 springs, 10 magnetic blocks, 11 control modules, 12 communication modules, 13 communication antennas, 14 first wires, 15 first electric connection sheets, 16 second wires, 17 second electric connection sheets, 18 protective wire sleeves, 19 insulation frames and 20 limit stops.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

Referring to fig. 1-2, a transformer core grounding current monitoring device, including base 1, insulation board 2, iron core 3 and roof 4, insulation board 2 fixed connection is on the top of base 1, iron core 3 fixed connection is on the upper surface of insulation board 2, roof 4 fixed connection is on the top of iron core 3, the bottom of iron core 3 is equipped with earth connection 7, the cavity has been seted up to the inner wall of base 1, the inside of cavity is equipped with electro-magnet 8, electro-magnet 8 is connected with earth connection 7 electricity, base 1 is located the left inner wall fixedly connected with control module 11 and communication module 12 of cavity, control module 11's on the surface electricity be connected with first wire 14 and second wire 16, be equipped with communication antenna 13 on communication module 12's the lateral wall, fixedly connected with connecting plate 5 on base 1's the lateral wall, threaded hole has been seted up to connecting plate 5's inner wall threaded connection 6 of connecting plate 5 location screw hole.

The inside of cavity is equipped with induction system, and induction system includes spring 9, magnetic path 10, first electric piece 15 and second electric piece 17 that connects, and spring 9 fixed connection is on the lateral wall of electro-magnet 8, and magnetic path 10 fixed connection deviates from the one end of electro-magnet 8 at spring 9, and first wire 14 deviates from the one end of control module 11 and extends to the top inner wall of magnetic path 10 and be connected with first electric piece 15 electricity, and second wire 16 deviates from the one end of control module 11 and extends to the top inner wall of cavity and be connected with second electric piece 17 electricity.

During the use, can prevent the electric leakage of iron core 3 through insulation board 2, the stability of iron core 3 can be guaranteed to base 1 and roof 4, even the volume Ji Ban and install bolt 6 can guarantee the stability of base 1, make electro-magnet 8 circular telegram magnetism after earth connection 7 circular telegram, improve mutual suction with between the magnetic path 10, thereby can pull the inner wall slip messenger spring 9 compression of magnetic path 10 along the cavity, after first electric connection piece 15 and second electric connection piece 17 release the setting, can make the inside first wire 14 of control module 11 and second wire 16 in the inside circular telegram setting of control module 11, make the inside of control module 11 produce the signal and pass through control module 12 and communication antenna 13 with signal transmission to the outside, the workman of being convenient for carries out timely maintenance.

Example two

Referring to fig. 1-3, a strip-shaped opening is formed in the inner wall of the bottom end of the cavity of the base 1, a groove is formed in the inner wall of the bottom end of the magnetic block 10, a protective wire sleeve 18 is fixedly sleeved on the wire body positioned in the strip-shaped opening and the groove, the protective wire sleeve 18 is spirally arranged, an insulating frame 19 is fixedly connected to the inner wall of the top end of the magnetic block 10, the insulating frame 19 is attached to the side wall of the first power receiving sheet 15, and a limit stop 20 is fixedly connected to the inner wall of the top end of the cavity of the base 1.

The first conducting wires 14 can be stably protected through the protective wire sleeve 18, the first electric connection piece 15 can be prevented from being leaked at the top end of the magnetic block 10 through the insulating frame 19, and certain limiting treatment can be performed on the magnetic block 10 through the limiting stop 20.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a transformer core earth current monitoring devices, includes base (1), insulation board (2), iron core (3) and roof (4), its characterized in that: insulation board (2) fixed connection is on the top of base (1), iron core (3) fixed connection is on the upper surface of insulation board (2), roof (4) fixed connection is on the top of iron core (3), the bottom of iron core (3) is equipped with earth connection (7), the cavity has been seted up to the inner wall of base (1), the inside of cavity is equipped with electro-magnet (8), electro-magnet (8) are connected with earth connection (7) electricity, base (1) are located the left inner wall fixedly connected with control module (11) and communication module (12), the electricity is connected with first wire (14) and second wire (16) on the surface of control module (11), be equipped with communication antenna (13) on the lateral wall of communication module (12), the inside of cavity is equipped with induction system.

2. The transformer core ground current monitoring device of claim 1, wherein: the base is characterized in that a connecting plate (5) is fixedly connected to the side wall of the base (1), a threaded hole is formed in the inner wall of the connecting plate (5), and a mounting bolt (6) is connected to the inner wall of the connecting plate (5) located in the threaded hole in a threaded mode.

3. The transformer core ground current monitoring device of claim 1, wherein: the induction mechanism comprises a spring (9), a magnetic block (10), a first power connection piece (15) and a second power connection piece (17), wherein the spring (9) is fixedly connected to the side wall of an electromagnet (8), the magnetic block (10) is fixedly connected to one end of the spring (9) deviating from the electromagnet (8), one end of a first lead (14) deviating from a control module (11) extends to the inner wall of the top end of the magnetic block (10) and is electrically connected with the first power connection piece (15), and one end of a second lead (16) deviating from the control module (11) extends to the inner wall of the top end of a cavity and is electrically connected with the second power connection piece (17).

4. A transformer core ground current monitoring device according to claim 3, wherein: the base (1) is located the bottom inner wall of cavity and has offered the bar mouth, the bottom inner wall of magnetic path (10) is offered flutedly, fixed cover is equipped with protection line cover (18) on the line body that first wire (14) are located bar mouth and recess inside, protection line cover (18) set up to the heliciform.

5. A transformer core ground current monitoring device according to claim 3, wherein: the top end inner wall of the magnetic block (10) is fixedly connected with an insulating frame (19), and the insulating frame (19) is attached to the side wall of the first power connection piece (15).

6. The transformer core ground current monitoring device of claim 1, wherein: the inner wall of the top end of the base (1) positioned in the cavity is fixedly connected with a limit stop (20).