CN210865882U

CN210865882U - Generator voltage transformer structure

Info

Publication number: CN210865882U
Application number: CN201921498028.7U
Authority: CN
Inventors: 郝晓辉; 刘刚; 周慧; 刘彦奎; 胡艳; 郭静; 郭德成; 李晗; 李宁
Original assignee: Yucheng County Power Supply Co Of State Grid Henan Electric Power Co
Current assignee: Yucheng County Power Supply Co Of State Grid Henan Electric Power Co
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-06-26
Anticipated expiration: 2029-09-06

Abstract

The utility model relates to an electric power device technical field just discloses a generator voltage transformer structure, which comprises an outer shell, the side fixed mounting of shell has the end cover, the side threaded mounting of end cover has fastening bolt, the medial surface fixed mounting of end cover has a support section of thick bamboo, the side face side movable sleeve of a support section of thick bamboo is equipped with insulating center pin, the external fixed surface suit of insulating center pin has the iron core, shell cavity's top and bottom fixed mounting have the joint support, the external movable sleeve of surface of iron core is equipped with and cooperatees the slide with the joint support. This generator voltage transformer structure, the cooperation through middle electricity connection board and first electricity connection support and second electricity connection support and electricity connection board need not to change the circuit when changing iron core and once side electromagnetic winding and secondary side electromagnetic winding directly push out the iron core and can install the combination of new winding and iron core can as required.

Description

Generator voltage transformer structure

Technical Field

The utility model relates to an electric power device technical field specifically is a generator voltage transformer structure.

Background

The voltage transformer is called PT for short, is similar to a transformer, and is an instrument for transforming voltage on a line, but the purpose of transforming voltage by the transformer is to transmit electric energy, so the capacity is very large, and usually kilovolt-ampere or megavolt-ampere is taken as a calculation unit, and the purpose of transforming voltage by the voltage transformer is mainly used for supplying power to a measuring instrument and a relay protection device, and measuring voltage, power and electric energy of the line, or protecting valuable equipment, a motor and a transformer in the line when the line is in fault, so the capacity of the voltage transformer is very small, and usually only a few volt-ampere or tens of volt-ampere, and the maximum voltage does not exceed one kilovolt-ampere.

The voltage transformer that uses at present all is that the integral seals and the electricity is connected and can't be as required to remove the combination of changing inside iron core and electromagnetic winding and remove the size that changes the transform voltage, and voltage transformer is more troublesome when taking place to damage moreover, and voltage transformer's inside produces a large amount of heats and can make voltage transformer's life-span shorten when using.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a generator voltage transformer structure possesses the compound mode that can change inside iron core and solenoid as required, and the radiating effect increases voltage transformer's advantage in life-span, has solved the problem of mentioning in the above background art.

The utility model provides a following technical scheme: a generator voltage transformer structure comprises a shell, wherein an end cover is fixedly arranged on the side face of the shell, a fastening bolt is installed on the side face of the end cover in a threaded mode, a supporting cylinder is fixedly installed on the inner side face of the end cover, an insulating central shaft is movably sleeved on the side face of the supporting cylinder, an iron core is fixedly sleeved on the outer surface of the insulating central shaft, clamping supports are fixedly installed at the top and the bottom of an inner cavity of the shell, a sliding seat matched with the clamping supports is movably sleeved on the outer surface of the iron core, an intermediate electric connecting plate is fixedly installed on the left side of the clamping supports in the inner cavity of the shell, a primary side electric connecting wire is fixedly connected to the top of the intermediate electric connecting plate, a primary side electromagnetic winding is wound on the left side face of the clamping supports in the outer surface of the iron core, a first electric connecting support, the utility model discloses a fuse, including shell, connecting support, shell, connecting block, fuse, connecting block, the other end of first electricity connecting support is pegged graft with the side activity of middle electric connecting plate, the top fixed mounting of shell has sleeve insulator, sleeve insulator's inside fixed mounting have with once side electric connecting wire matched with insulating support, sleeve insulator's inside fixed mounting has the bottom connecting support, the top fixedly connected with bayonet joint of bottom connecting support, the top activity of bayonet joint is pegged graft and is had the fuse, the top fixedly connected with and the fuse matched with electric connecting block of connecting support, once the other end of side electric connecting wire and the other end fixed connection of electric connecting block, the quantity of electric connecting block is two, another the side fixedly connected with.

Further, the fixed intercommunication of lateral surface of shell has insulation support, insulation support's inside fixed cover is equipped with the secondary and draws forth the end, the bottom that the secondary draws forth the end is located the inside one end fixedly connected with electric connection plate of shell, the surface of iron core is located the right side winding of joint support and has the secondary side electromagnetic winding, the surface fixedly connected with second electric connection support of iron core, the side of second electric connection support is pegged graft with the side activity of electric connection plate.

Further, a communicating opening is formed in the front face of the shell, a dustproof net is fixedly mounted on the front face of the communicating opening, screws matched with the dustproof net are installed on the front face of the communicating opening in a threaded mode, a communicating groove is formed in the front face of the sleeve insulator, and a cover plate is movably clamped on the front face of the communicating groove.

Furthermore, the first electric connection support and the second electric connection support are electrically isolated from the iron core.

Further, the insulating center pin is a rubber rod, and the through hole in the iron core and the outer surface of the insulating center pin are in interference fit.

Has the advantages that:

1. this generator voltage transformer structure, the cooperation through middle electricity connection board and first electricity connection support and second electricity connection support and electricity connection board need not to change the circuit when changing iron core and once side electromagnetic winding and secondary side electromagnetic winding directly push out the iron core and can install the combination of new winding and iron core can as required.

2. This generator voltage transformer structure makes more simple and convenient quick to the change of fuse when changing iron core and electromagnetic winding through electric connection block and bayonet joint, and the cooperation through insulating center pin and joint support and slide makes the installation of iron core simpler, can guarantee this voltage transformer's heat dissipation under the condition of avoiding the dust to get into through intercommunication mouth and dust screen to improve electromagnetic transformer's life-span.

Drawings

FIG. 1 is a sectional view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a side view of the structural connecting bracket of the present invention.

In the figure: 1. a housing; 2. an end cap; 3. a support cylinder; 4. an insulating central shaft; 5. an iron core; 6. a secondary side electromagnetic winding; 7. a second electrical connection bracket; 8. an insulating sleeve; 9. a secondary leading-out terminal; 10. an electrical connection plate; 11. clamping the bracket; 12. a slide base; 13. a fuse; 14. connecting a bracket; 15. a bushing insulator; 16. a primary side electrical connection line; 17. an intermediate electrical connection plate; 18. a first electrical connection bracket; 19. a primary side electromagnetic winding; 20. an insulating support; 21. a primary side lead-out wire; 22. fastening a bolt; 23. a communication port; 24. a dust screen; 25. a screw; 26. a communicating groove; 27. a cover plate; 28. an electrical connection block; 29. a plug-in connector.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 1-3, a generator voltage transformer structure includes a housing 1, an end cap 2 is fixedly installed on a side surface of the housing 1, a fastening bolt 22 is installed on a side surface thread of the end cap 2, a supporting cylinder 3 is fixedly installed on an inner side surface of the end cap 2, an insulating central shaft 4 is movably sleeved on a side surface of the supporting cylinder 3, an iron core 5 is fixedly sleeved on an outer surface of the insulating central shaft 4, the insulating central shaft 4 is a rubber rod, a through hole inside the iron core 5 and an outer surface of the insulating central shaft 4 are in interference fit, so as to prevent a circuit path caused by sliding between the insulating central shaft 4 and the iron core 5, a clamping bracket 11 is fixedly installed on a top and a bottom of an inner cavity of the housing 1, a sliding seat 12 matched with the clamping bracket 11 is movably sleeved on an outer surface of the iron core 5, and the, an intermediate electric connecting plate 17 is fixedly arranged in the inner cavity of the shell 1 on the left side of the clamping support 11, a primary electric connecting wire 16 is fixedly connected to the top of the intermediate electric connecting plate 17, a primary electromagnetic winding 19 is wound on the outer surface of the iron core 5 on the left side of the clamping support 11, a first electric connecting support 18 is fixedly connected to the left side of the iron core 5, one end of the primary electromagnetic winding 19 is fixedly connected to the side of the first electric connecting support 18, the other end of the first electric connecting support 18 is movably inserted into the side of the intermediate electric connecting plate 17, a sleeve insulator 15 is fixedly arranged on the top of the shell 1, an insulating support 20 matched with the primary electric connecting wire 16 is fixedly arranged inside the sleeve insulator 15, a bottom connecting support 14 is fixedly arranged inside the sleeve insulator 15, a plug 29 is fixedly connected to the top of the bottom connecting support 14, and a fuse 13 is, the top of the connecting bracket 14 is fixedly connected with an electric connecting block 28 matched with the fuse 13, the other end of the primary side electric connecting wire 16 is fixedly connected with the other end of the electric connecting block 28, the number of the electric connecting blocks 28 is two, the side surface of the other electric connecting block 28 is fixedly connected with a primary side outgoing wire 21, the fuse 13 is more conveniently and rapidly replaced when the iron core 5 and the electromagnetic winding are replaced through the electric connecting block 28 and a plug 29, the outer side surface of the shell 1 is fixedly communicated with an insulating sleeve 8, a secondary outgoing end 9 is fixedly sleeved in the insulating sleeve 8, one end of the bottom of the secondary outgoing end 9, which is positioned in the shell 1, is fixedly connected with an electric connecting plate 10, the outer surface of the iron core 5, which is positioned on the right side of the clamping bracket 11, is wound with a secondary side electromagnetic winding 6, the outer surface of the iron core 5 is fixedly connected with a second electric connecting bracket 7, the condition that the iron core 5 is conducted with the electromagnetic coil due to the conduction of the first electric connecting support 18 and the second electric connecting support 7 with the iron core 5 is avoided, the side face of the second electric connecting support 7 is movably inserted with the side face of the electric connecting plate 10, when the iron core 5, the primary side electromagnetic winding 19 and the secondary side electromagnetic winding 6 are replaced according to needs without replacing lines and directly pushing the iron core 5 out through the matching of the middle electric connecting plate 17, the first electric connecting support 18, the second electric connecting support 7 and the electric connecting plate 10, a new winding and iron core 5 combination can be installed, the front face of the shell 1 is provided with the communicating port 23, the front face of the communicating port 23, which is fixedly provided with the communicating port 23 of the dustproof net 24, is provided with the screw 25 matched with the dustproof net 24 through the communicating port 23 and the dustproof net 24, and the heat dissipation of the voltage transformer can be ensured under the, in order to prolong the service life of the electromagnetic transformer, the front surface of the sleeve insulator 15 is provided with a communicating groove 26, and the front surface of the communicating groove 26 is movably clamped with a cover plate 27.

In the working principle, when the lifting core and the electromagnetic coil need to be replaced, the fastening bolt 22 is unscrewed to take down the end covers 2 at the two ends, the second electric connecting bracket 7 is pulled down from the electric connecting plate 10 and pressed downwards, at the moment, the first electric connecting bracket 18 can be separated from the middle electric connecting plate 17, then the iron core 5 is rotated to prevent collision with the clamping bracket 11 when being pulled, the left side of the insulation central shaft 4 is pulled and pulled leftwards, namely, the iron core 5 is pulled out from the insulation central shaft 4, a new iron core 5 and the electromagnetic coil are combined and installed at the insulation central shaft 4, then install the inside of this voltage transformer with new iron core 5 and solenoid's combination, be connected corresponding first electric connection support 18 and middle electric connection board 17, be connected second electric connection support 7 and electric connection board 10, need take off the apron 27 at this moment and take off original fuse 13 and change new fuse 13 and cover the apron 27 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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A generator voltage transformer structure, includes shell (1), its characterized in that: the side fixed mounting of shell (1) has end cover (2), the side threaded mounting of end cover (2) has fastening bolt (22), the medial surface fixed mounting of end cover (2) has a support section of thick bamboo (3), the lateral surface side movable sleeve of a support section of thick bamboo (3) is equipped with insulating center pin (4), the external fixed surface suit of insulating center pin (4) has iron core (5), the top and the bottom fixed mounting of shell (1) inner chamber have joint support (11), the external surface movable sleeve of iron core (5) is equipped with and cooperates slide (12) with joint support (11), the inner chamber of shell (1) is located the left side fixed mounting of joint support (11) and is had middle electric connection board (17), the top fixed connection of middle electric connection board (17) has primary side electric connection line (16), the external surface of iron core (5) is located the left side winding of joint support (11) and has primary side electromagnetic winding (19), the transformer comprises an iron core (5), a first electric connecting support (18) is fixedly connected to the left side face of the iron core (5), one end of a primary side electromagnetic winding (19) is fixedly connected with the side face of the first electric connecting support (18), the other end of the first electric connecting support (18) is movably inserted into the side face of a middle electric connecting plate (17), a sleeve insulator (15) is fixedly installed at the top of a shell (1), an insulating support (20) matched with a primary side electric connecting wire (16) is fixedly installed inside the sleeve insulator (15), a bottom connecting support (14) is fixedly installed inside the sleeve insulator (15), an inserting head (29) is fixedly connected to the top of the bottom connecting support (14), a fuse (13) is movably inserted into the top of the inserting head (29), and an electric connecting block (28) matched with the fuse (13) is fixedly connected to the top of the connecting support (14), the other end of the primary side electric connecting wire (16) is fixedly connected with the other end of the electric connecting block (28), the number of the electric connecting blocks (28) is two, and a primary side lead wire (21) is fixedly connected to the side surface of the other electric connecting block (28).

2. A generator voltage transformer structure according to claim 1, characterized in that: the fixed intercommunication of lateral surface of shell (1) has insulation support (8), the inside fixed cover of insulation support (8) is equipped with the secondary and draws forth end (9), the bottom that the secondary was drawn forth end (9) is located the inside one end fixedly connected with electric connection plate (10) of shell (1), the right side winding that the surface of iron core (5) is located joint support (11) has secondary side electromagnetic winding (6), the outer fixed surface of iron core (5) is connected with second electricity and is connected support (7), the side of second electricity connection support (7) is pegged graft with the side activity of electric connection plate (10).

3. A generator voltage transformer structure according to claim 1, characterized in that: the front of shell (1) has been seted up and has been communicated mouth (23), the front fixed mounting of communicated mouth (23) has dust screen (24) the front screw thread of communicated mouth (23) install with dust screen (24) matched with screw (25), communicating groove (26) have been seted up in the front of sleeve pipe insulator (15), the positive movable joint in communicating groove (26) has apron (27).

4. A generator voltage transformer structure according to claim 1, characterized in that: the first electric connection support (18) and the second electric connection support (7) are electrically isolated from the iron core (5).

5. A generator voltage transformer structure according to claim 1, characterized in that: the insulation central shaft (4) is a rubber rod, and the through hole in the iron core (5) is in interference fit with the outer surface of the insulation central shaft (4).