CN212010606U

CN212010606U - Universal current transformer

Info

Publication number: CN212010606U
Application number: CN202020828387.0U
Authority: CN
Inventors: 王聪; 杨德双
Original assignee: Weineng Huitong Dalian Electric Power Technology Co ltd
Current assignee: Weineng Huitong Dalian Electric Power Technology Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2020-11-24
Anticipated expiration: 2030-05-18

Abstract

The utility model discloses a general current transformer, which comprises a transformer main body, wherein a primary coil is fixedly arranged at the inner side of the transformer main body, and a secondary coil is wound at the outer side of the primary coil, wherein the primary coil and the transformer main body are fixedly connected through a coil fixing frame, the top of the transformer main body is fixedly connected with a fixed baffle through a fixing mechanism, the fixing mechanism comprises a dismounting plate symmetrically arranged on the fixed baffle, and a dismounting guide rod is fixedly arranged at the central position of one side of the dismounting plate; install the fixed establishment in mutual-inductor main part and fixed stop hookup location department through the design, increased the functionality of device, and avoided traditional fixed establishment function comparatively single when using, and inconvenient carry out quick assembly disassembly's the condition to fixed stop, increased the security and the convenience of device, and fixed establishment's buckled mechanism, life is longer.

Description

Universal current transformer

Technical Field

The utility model belongs to the technical field of it is electric, concretely relates to general current transformer.

Background

The difference between the traditional 10kv current transformer plateau type and the common type is that the plateau type product can increase the creepage distance of the current transformer, so that the creepage distance outside the current transformer can meet the requirement of high altitude. The outer creepage distance of the current transformer of ordinary type is little, can only be used for low-altitude area to use, traditional 20kv current transformer is bulky, be unfavorable for the customer installation, it is higher to cut into the cost, increase customer purchasing cost, traditional 10kv and 20kv current transformer's difference lies in, 20kv current transformer insulation grade is greater than 10kv, so 20 kv's current transformer surface creepage distance, inside insulation distance, the looks interval will be much greater than 10kv current transformer, because of the voltage grade of transformer, the use area is different, need make a large number of moulds, satisfy market demand.

When the current general current transformer is used, the shell is extremely inconvenient to be quickly disassembled, assembled and maintained, and the general installation mode of screw fixation is easy to cause corrosion and wire sliding of the disassembling and assembling part along with the increase of the service time, so that great trouble is caused to a user, the service life of a general buckling mechanism is short, and the current transformer is provided for the reason.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a general current transformer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a universal current transformer comprises a transformer main body, a primary coil is fixedly arranged on the inner side of the transformer main body, a secondary coil is wound on the outer side of the primary coil, wherein the primary coil is fixedly connected with the transformer main body through a coil fixing frame, the top of the transformer main body is fixedly connected with a fixed baffle through a fixing mechanism, the fixing mechanism comprises dismounting plates symmetrically arranged on the fixing baffle, a dismounting guide rod is fixedly arranged at the center of one side of the dismounting plate, the dismounting guide rod penetrates through the side wall of the fixing baffle and is fixedly connected with the limiting fixture block, wherein the inner side of the fixed baffle is provided with a clamping groove for accommodating the limiting clamping block, and the outer side of the dismounting guide rod is sleeved and fixed with a tension spring corresponding to the part arranged in the clamping groove, and mounting holes for the limiting clamping blocks to penetrate through are symmetrically formed in the two sides of the top of the mutual inductor main body.

Further, a plurality of parachute clusters are installed to the outside equidistance of mutual-inductor main part, the bottom fixed mounting of mutual-inductor main part has the mutual-inductor base, just the iron core groove that supplies the iron core to place is seted up to the inboard of mutual-inductor main part.

Further, spacing fixture block is the cuboid structure, just the outside of spacing fixture block corresponds the part of arranging in the block groove and has seted up spacing arch, just block groove passes through spacing protruding sliding connection on spacing fixture block and the fixed stop.

Furthermore, the outer side of the dismounting guide rod is provided with threads, and the dismounting guide rod and the dismounting plate are screwed and fixed through the threads.

Furthermore, one end of the dismounting guide rod is fixedly connected with the inner wall of the clamping groove in the inner side of the fixed baffle, and the other end of the dismounting guide rod is fixedly connected with the limiting clamping block.

Further, coil mount fixed mounting is at the inner wall of mutual-inductor main part, just primary coil twines the outside that sets up at the coil mount.

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

1. install the fixed establishment in mutual-inductor main part and fixed stop hookup location department through the design, increased the functionality of device, and avoided traditional fixed establishment function comparatively single when using, and inconvenient carry out quick assembly disassembly's the condition to fixed stop, increased the security and the convenience of device, and fixed establishment's buckled mechanism, life is longer.

2. The utility model discloses in the general current transformer who provides effectively reduced the mould kind, reduced the use mould cost, make things convenient for user of service's installation, reduced purchasing cost.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a schematic view of the overall front structure of the present invention;

fig. 2 is a schematic view of the overall side structure of the present invention;

fig. 3 is a schematic view of the overall front view cross-sectional structure of the present invention;

fig. 4 is a schematic view of the overall side view cross-sectional structure of the present invention;

in the figure: 1. a transformer body; 2. an umbrella group; 3. fixing a baffle plate; 4. disassembling the plate; 5. an iron core groove; 6. a primary coil; 7. a secondary coil; 8. disassembling and assembling the guide rod; 9. a tension spring; 10. a limiting clamping block; 11. a coil fixing frame; 12. mutual-inductor base.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, the utility model provides a technical scheme: a general current transformer comprises a transformer body 1, a primary coil 6 is fixedly installed on the inner side of the transformer body 1, a secondary coil 7 is wound on the outer side of the primary coil 6, the primary coil 6 and the transformer body 1 are fixedly connected through a coil fixing frame 11, the top of the transformer body 1 is fixedly connected with a fixed baffle 3 through a fixing mechanism, the fixing mechanism comprises a dismounting plate 4 symmetrically installed on the fixed baffle 3, a dismounting guide rod 8 is fixedly installed at the central position of one side of the dismounting plate 4, the dismounting guide rod 8 penetrates through the side wall of the fixed baffle 3 and is fixedly connected with a limiting fixture block 10, a clamping groove for accommodating the limiting fixture block 10 is formed in the inner side of the fixed baffle 3, a tension spring 9 is sleeved and fixed on the outer side of the dismounting guide rod 8 corresponding to the part of the clamping groove, and mounting holes for the limiting fixture block 10 to penetrate through are symmetrically formed in both sides of the top of the transformer body, install the fixed establishment in mutual-inductor

main part

1 and 3 hookup location departments of fixed stop through the design, increased the functionality of device, and avoided traditional fixed establishment function comparatively single when using, and inconvenient carry out quick assembly disassembly's the condition to fixed stop 3, increased the security and the convenience of device, and fixed establishment's buckled mechanism, life is longer.

In this embodiment, further, a plurality of parachute packs 2 are installed to the outside equidistance of mutual-inductor main part 1, and the bottom fixed mounting of mutual-inductor main part 1 has mutual-inductor base 12, and the iron core groove 5 that supplies the iron core to place is seted up to mutual-inductor main part 1's inboard, and the general current transformer who proposes in this embodiment has effectively reduced the mould kind, has reduced and has used the mould cost, makes things convenient for user of service's installation, has reduced purchasing cost.

In this embodiment, further, spacing fixture block 10 is the cuboid structure, and the part that the outside of spacing fixture block 10 corresponds to be arranged in the block groove has seted up spacing arch, and block groove passes through spacing protruding sliding connection on spacing fixture block 10 and the fixed stop 3, and the screw thread has been seted up in the outside of dismouting guide arm 8, and dismouting guide arm 8 and dismouting board 4 close fixedly through the screw thread soon.

In this embodiment, further, one end of the dismounting guide rod 8 is fixedly connected to the inner wall of the inner side engaging groove of the fixing baffle 3, the other end of the dismounting guide rod 8 is fixedly connected to the limiting fixture block 10, the coil fixing frame 11 is fixedly mounted on the inner wall of the transformer body 1, and the primary coil 6 is wound around the outer side of the coil fixing frame 11.

The utility model discloses a theory of operation and use flow: the universal current transformer is characterized in that a plurality of umbrella groups 2 are additionally arranged on the surface of the transformer, the outer surface creepage distance of the transformer is greatly increased, the creepage distance simultaneously meets the requirements of using a 10kv current transformer in an area with an altitude of 4500 m and using a 20kv current transformer in a normal area, the fixing baffle plates 3 are additionally arranged on two sides of a primary terminal, the phase distance of the current transformer is increased, the phase distance requirement of the 20kv current transformer is met in a very small installation space, the placement space of a secondary coil 7 of the current transformer can be enlarged by not arranging the umbrella groups 2 on a transformer main body 1, more internal insulation distances between the primary and the secondary current transformers are reserved, the internal insulation requirement of the 20kv current transformer is met, when the transformer main body 1 and the fixing baffle plates 3 are required to be quickly installed, the dismounting plates 4 on the fixing baffle plates 3 are pulled in the direction far away from the fixing baffle plates 3, under the drive of dismouting board 4 for spacing fixture block 10 is accomodate and is carried out block groove position department, and with the top of fixed stop 3 suit in mutual-inductor main part 1, and with spacing fixture block 10 and the coincidence of the last mounting hole of mutual-inductor main part 1, unclamp dismouting board 4, under tension spring 9's tension, make spacing fixture block 10 and the last mounting hole block of fixed stop 3, realize the quick installation to mutual-inductor main part 1 and fixed stop 3.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A general current transformer includes a transformer main body (1), characterized in that: a primary coil (6) is fixedly installed on the inner side of the transformer main body (1), a secondary coil (7) is wound on the outer side of the primary coil (6), the primary coil (6) and the transformer main body (1) are fixedly connected through a coil fixing frame (11), the top of the transformer main body (1) is fixedly connected with a fixed baffle (3) through a fixing mechanism, the fixing mechanism comprises a dismounting plate (4) symmetrically installed on the fixed baffle (3), a dismounting guide rod (8) is fixedly installed at the central position of one side of the dismounting plate (4), the dismounting guide rod (8) penetrates through the side wall of the fixed baffle (3) and is fixedly connected with a limiting clamping block (10), a clamping groove for accommodating the limiting clamping block (10) is formed in the inner side of the fixed baffle (3), and a tension spring (9) is fixedly sleeved on the outer side of the dismounting guide rod (8) corresponding to the part arranged in the clamping groove, and mounting holes for the limiting clamping blocks (10) to penetrate through are symmetrically formed in the two sides of the top of the mutual inductor main body (1).

2. The universal current transformer of claim 1, wherein: a plurality of parachute clusters (2) are installed to the outside equidistance of mutual-inductor main part (1), the bottom fixed mounting of mutual-inductor main part (1) has mutual-inductor base (12), just iron core groove (5) that supply the iron core to place are seted up to the inboard of mutual-inductor main part (1).

3. The universal current transformer of claim 1, wherein: the limiting clamping block (10) is of a cuboid structure, the part, corresponding to the clamping groove, of the outer side of the limiting clamping block (10) is provided with a limiting protrusion, and the limiting clamping block (10) is connected with the fixing baffle (3) in a sliding mode through the limiting protrusion.

4. The universal current transformer of claim 1, wherein: the outer side of the dismounting guide rod (8) is provided with threads, and the dismounting guide rod (8) and the dismounting plate (4) are fixed in a screwing mode through the threads.

5. The universal current transformer of claim 1, wherein: one end of the dismounting guide rod (8) is fixedly connected with the inner wall of the clamping groove in the inner side of the fixed baffle (3), and the other end of the dismounting guide rod (8) is fixedly connected with the limiting clamping block (10).

6. The universal current transformer of claim 1, wherein: the coil fixing frame (11) is fixedly arranged on the inner wall of the transformer main body (1), and the primary coil (6) is wound on the outer side of the coil fixing frame (11).