CN219418670U

CN219418670U - External current transformer of transformer

Info

Publication number: CN219418670U
Application number: CN202320512613.8U
Authority: CN
Inventors: 孔祥成
Original assignee: Hubei Hongfengwei Electric Appliance Equipment Co ltd
Current assignee: Hubei Hongfengwei Electric Appliance Equipment Co ltd
Priority date: 2023-03-16
Filing date: 2023-03-16
Publication date: 2023-07-25
Anticipated expiration: 2033-03-16

Abstract

The utility model discloses an external current transformer of a transformer, which comprises a mounting bottom plate, wherein connecting blocks are arranged on two sides of the top of the mounting bottom plate, the tops of the two connecting blocks are fixedly connected with a shell, an inner cavity of the shell is fixedly connected with a baffle plate, the top of one side of the baffle plate is fixedly connected with a motor, and the output end of the motor is fixedly connected with a transmission shaft. According to the utility model, the split type mounting structure is adopted, the mounting bottom plate is fixed, the equipment is mounted through the flexible dismounting structure, the effect of convenient maintenance in the subsequent use process is ensured, and the current transformer is mounted and fixed in a clamping manner, so that the later disassembly work of the equipment is convenient, the overhaul and maintenance of the current transformer are facilitated, the current transformer can be regulated, the functionality in the use process is improved, the convenience of user operation is ensured, and the use effect is improved.

Description

External current transformer of transformer

Technical Field

The utility model relates to the technical field of current transformers, in particular to an external current transformer of a transformer.

Background

The current transformer enables secondary equipment such as a measuring instrument and relay protection in the power system to acquire primary loop current information, and enables important electrical equipment in the power system to bear the functions of isolation between high-voltage and low-voltage systems and conversion from high-voltage to low-voltage. The current transformer works normally or not, and has extremely important significance for the safety of a power system, the normal work of equipment such as protection and measurement.

Through searching, the Chinese utility model provides a current transformer, and the bulletin number is: CN216287953U, including the current transformer main part of making by insulating material, the top of current transformer main part is provided with electrically conductive copper spare, and the bottom of current transformer main part is provided with the connecting seat, current transformer main part top is including insulating bottom plate, and insulating bottom plate's both sides connection is provided with two insulating curb plates, connects between two insulating curb plates and the insulating bottom plate and is formed with the recess, electrically conductive copper spare sets up in the recess. The current transformer has higher safety performance and is beneficial to enabling the internal structural layout of the grounding switch cabinet to be more compact, but the current transformer in the patent does not have a quick-release structure in the use process, so that the efficiency of a subsequent maintenance operation mode is lower, and meanwhile, the current transformer cannot be rotationally regulated according to the installation position, so that the use effect is reduced.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model aims to provide an external current transformer for a transformer, which achieves the advantages of convenient disassembly and convenient adjustment, and solves the problems that the current transformer does not have a quick disassembly structure in the use process, so that the efficiency of a subsequent maintenance operation mode is low, and meanwhile, the current transformer cannot be rotationally adjusted according to the installation position, thereby reducing the use effect.

(II) technical scheme

The utility model provides the following technical scheme for realizing the purpose, and the technical scheme adopted by the external current transformer of the transformer is as follows: including mounting plate, the both sides at mounting plate top all are provided with the connecting block, the top fixedly connected with shell of two connecting blocks, the inner chamber fixedly connected with baffle of shell, the top fixedly connected with motor of baffle one side, the output fixedly connected with transmission shaft of motor, the inner chamber of baffle is run through to one side that the motor was kept away from to the transmission shaft and inner wall swing joint through bearing and shell, the fixed surface of transmission shaft has the driving gear, the left side of baffle is through bearing swing joint there being bull stick, the fixed surface of bull stick has driven gear, driven gear and driving gear meshing, the left side of bull stick runs through to the outside of shell and fixedly connected with carousel, the left side fixedly connected with spliced pole of carousel, the left side fixedly connected with transformer body of spliced pole.

As the preferred scheme, the mounting groove has all been seted up to the both sides at mounting plate top, the bottom of connecting block extends to the inner chamber of mounting groove, the draw-in groove has all been seted up to the both sides of connecting block, the recess has all been seted up to the both sides of mounting plate, one side fixedly connected with spring of recess inner chamber, one side fixedly connected with pull block of recess inner wall is kept away from to the spring, one side fixedly connected with fixture block of pull block, one side that the fixture block kept away from the pull block extends to the inner chamber of draw-in groove.

As the preferable scheme, the four corners at the top of the mounting bottom plate are all provided with concave stations, and the inner cavities of the concave stations are provided with positioning holes.

Preferably, the front end of the pull block extends to the outside of the groove, and the surface of the pull block is provided with anti-skid patterns.

As a preferable scheme, the bottom of the motor is fixedly connected with a fixing plate, and the left side of the fixing plate is fixedly connected with a partition plate.

As an optimal scheme, the bottom of the installation bottom plate is fixedly connected with a protection pad, and the protection pad is made of rubber.

As a preferable scheme, the rear end of the shell is provided with a heat dissipation hole, and an inner cavity of the heat dissipation hole is provided with a dust screen.

(III) beneficial effects

Compared with the prior art, the utility model provides the external current transformer of the transformer, which has the following beneficial effects.

1. Through adopting split type mounting structure, at first with mounting plate fixed back, install equipment through nimble dismantlement structure again, guarantee that its in-process of using can reach the effect of convenient maintenance, install fixedly this current transformer through the mode of joint to make things convenient for the later stage to the dismantlement work of equipment, be favorable to overhauling the maintenance to current transformer, can adjust current transformer simultaneously, improve the functionality in the use, guarantee the convenience of user's operation, improved the result of use.

2. Through the controller start motor, the motor drives the transmission shaft and rotates, and the transmission shaft drives the driving gear and rotates, and the driven gear drives driven gear and rotates, and the bull stick drives the carousel and rotates, and the carousel drives the spliced pole and rotates, and the spliced pole drives the mutual-inductor body and adjusts to can improve the device's functionality.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a partial enlarged structure of the portion A in FIG. 1 according to the present utility model;

FIG. 3 is a schematic cross-sectional view of the internal structure of the housing of the present utility model;

FIG. 4 is a schematic cross-sectional view of the internal structure of the mounting base plate of the present utility model;

fig. 5 is a schematic view of a partial enlarged structure at B in fig. 4 according to the present utility model.

In the figure: 1. a mounting base plate; 2. a connecting block; 3. a housing; 4. a partition plate; 5. a motor; 6. a transmission shaft; 7. a drive gear; 8. a rotating rod; 9. a driven gear; 10. a turntable; 11. a connecting column; 12. a transformer body; 13. a mounting groove; 14. a clamping groove; 15. a groove; 16. a spring; 17. pulling blocks; 18. a clamping block; 19. a concave table; 20. positioning holes; 21. a fixing plate; 22. a heat radiation hole; 23. a dust-proof net.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-5, the present utility model: the utility model provides an external current transformer of transformer, including mounting plate 1, the both sides at mounting plate 1 top all are provided with connecting block 2, the top fixedly connected with shell 3 of two connecting blocks 2, the inner chamber fixedly connected with baffle 4 of shell 3, the top fixedly connected with motor 5 of baffle 4 one side, the output fixedly connected with transmission shaft 6 of motor 5, the inner chamber of baffle 4 is run through to one side that the transmission shaft 6 kept away from the motor 5 and inner wall swing joint through bearing and shell 3, the fixed surface of transmission shaft 6 is connected with driving gear 7, the left side of baffle 4 is through bearing swing joint has bull stick 8, the fixed surface of bull stick 8 is connected with driven gear 9, driven gear 9 meshes with driving gear 7, the left side of bull stick 8 runs through to the outside of shell 3 and fixedly connected with carousel 10, the left side fixedly connected with spliced pole 11 of carousel 10, the left side fixedly connected with transformer body 12 of spliced pole 11, through adopting split type mounting structure, at first with mounting plate 1 after fixed, install equipment through nimble dismantlement structure again, guarantee the in-process that later in-process at convenient maintenance, the time can reach convenient maintenance, carry out the effect to the current transformer is carried out to the convenient operation in the operation to the equipment, the convenient maintenance of the operation, the mutual inductor is carried out to the operation in the convenient operation, the improvement of the operation, the mutual inductor.

Mounting groove 13 has all been seted up to the both sides at mounting plate 1 top, and the bottom of connecting block 2 extends to the inner chamber of mounting groove 13, and draw-in groove 14 has all been seted up to the both sides of connecting block 2, and recess 15 has all been seted up to the both sides of mounting plate 1, and one side fixedly connected with spring 16 of recess 15 inner chamber, one side fixedly connected with pull block 17 of the inner wall of recess 15 is kept away from to spring 16, and one side fixedly connected with fixture block 18 of pull block 17, one side that the fixture block 18 kept away from pull block 17 extends to the inner chamber of draw-in groove 14.

Through above-mentioned technical scheme, through setting up mounting groove 13, draw-in groove 14, recess 15, spring 16, draw-in piece 17 and fixture block 18, can install transformer body 12, guarantee the convenience in the installation of transformer body 12, conveniently carry out subsequent maintenance work to it, improved the use convenience.

The four corners at the top of the mounting base plate 1 are provided with concave tables 19, and the inner cavity of each concave table 19 is provided with a positioning hole 20.

Through above-mentioned technical scheme, through setting up concave station 19 and locating hole 20, can conveniently fix a position mounting plate 1, guarantee mounting plate 1's stability, and then improve the stability of whole equipment.

The bottom of the motor 5 is fixedly connected with a fixed plate 21, and the left side of the fixed plate 21 is fixedly connected with the partition plate 4.

Through above-mentioned technical scheme, through setting up fixed plate 21, can support motor 5, guarantee the stability of motor 5 installation.

The bottom of the mounting bottom plate 1 is fixedly connected with a protection pad, and the protection pad is made of rubber.

Through above-mentioned technical scheme, through setting up the protection pad, can be to the protection effect of mounting plate 1 with installation junction, avoid mounting plate 1 to cause the damage to the transformer when the installation.

The rear end of the shell 3 is provided with a heat dissipation hole 22, and the inner cavity of the heat dissipation hole 22 is provided with a dust screen 23.

Through above-mentioned technical scheme, through setting up louvre 22 and dust screen 23, can dispel the heat to motor 5, guaranteed the stability of motor 5 operation in-process.

The working principle of the utility model is as follows: through controller start motor 5, motor 5 drives transmission shaft 6 and rotates, transmission shaft 6 drives driving gear 7 and rotates, driving gear 7 drives driven gear 9 and rotates, driven gear 9 drives bull stick 8 and rotates, bull stick 8 drives carousel 10 and rotates, carousel 10 drives spliced pole 11 and rotates, spliced pole 11 drives mutual-inductor body 12 and rotates, thereby can improve the device's functionality, improve the convenience of user's use, when need dismantling, through pulling simultaneously pull piece 17, pull piece 17 drives the inner chamber that the fixture block 18 breaks away from recess 15 when spring 16 shrink, remove spacing back to connecting block 2, thereby can separate shell 3 and mounting plate 1, reach quick dismantlement's effect.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. The utility model provides an external current transformer of transformer, includes mounting plate (1), its characterized in that: the utility model discloses a motor, including mounting baseplate (1), baffle, connecting rod (6), driven gear (9), connecting post (11) are fixed on the body, mounting baseplate (1) both sides at top all are provided with connecting block (2), the top fixedly connected with shell (3) of two connecting blocks (2), the inner chamber fixedly connected with baffle (4) of shell (3), the top fixedly connected with motor (5) of baffle (4) one side, the output fixedly connected with transmission shaft (6) of motor (5), one side that motor (5) was kept away from runs through the inner chamber of baffle (4) and through the inner wall swing joint of bearing and shell (3), the fixed surface of transmission shaft (6) has driving gear (7), the left side of baffle (4) is through bearing swing joint bull stick (8), the fixed surface of bull stick (8) is connected with driven gear (9), driven gear (9) and driving gear (7) meshing, the left side of bull stick (8) runs through to the outside of shell (3) and fixedly connected with carousel (10), the left side fixedly connected with spliced pole (11), body fixedly connected with mutual inductance (12) of spliced pole (11).

2. The external current transformer of claim 1, wherein: mounting groove (13) have all been seted up to the both sides at mounting plate (1) top, the inner chamber that extends to mounting groove (13) in the bottom of connecting block (2), draw-in groove (14) have all been seted up to the both sides of connecting block (2), recess (15) have all been seted up to the both sides of mounting plate (1), one side fixedly connected with spring (16) of recess (15) inner chamber, one side fixedly connected with pull block (17) of recess (15) inner wall is kept away from to spring (16), one side fixedly connected with fixture block (18) of pull block (17), one side that pull block (17) was kept away from to fixture block (18) extends to the inner chamber of draw-in groove (14).

3. The external current transformer of claim 1, wherein: the four corners at the top of the mounting bottom plate (1) are respectively provided with a concave table (19), and the inner cavity of the concave table (19) is provided with a positioning hole (20).

4. The external current transformer of claim 2, wherein: the front end of the pull block (17) extends to the outside of the groove (15), and the surface of the pull block (17) is provided with anti-skid patterns.

5. The external current transformer of claim 1, wherein: the bottom of the motor (5) is fixedly connected with a fixing plate (21), and the left side of the fixing plate (21) is fixedly connected with a partition plate (4).

6. The external current transformer of claim 1, wherein: the bottom of the mounting bottom plate (1) is fixedly connected with a protection pad, and the protection pad is made of rubber.

7. The external current transformer of claim 1, wherein: the rear end of the shell (3) is provided with a radiating hole (22), and an inner cavity of the radiating hole (22) is provided with a dust screen (23).