CN218957519U

CN218957519U - Totally-enclosed transformer

Info

Publication number: CN218957519U
Application number: CN202223335558.4U
Authority: CN
Inventors: 王盛孔; 彭文
Original assignee: Shenzhen Ruiqizheng Technology Co ltd
Current assignee: Shenzhen Ruiqizheng Technology Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-05-02
Anticipated expiration: 2032-12-12

Abstract

The utility model belongs to the technical field of transformers, and particularly relates to a fully-closed transformer; comprises a transformer shell; a group of electric sliding tables are fixedly installed on the adjacent inner walls of the two sides of the transformer shell, the two groups of electric sliding tables are slidably connected with a group of sliding blocks, a group of third connecting rods are fixedly connected with the inner walls of the two sides of the transformer shell, and one ends, close to the two groups of first limiting claws, of the two groups of third connecting rods are fixedly connected with a group of second limiting claws; further, two sets of the inside of second spacing claw all with a plurality of groups lug fixed connection, this embodiment not only makes the device carry out the centre gripping to the wire mouth of different bore, different shapes fixed, can also improve the stability of closed circuit between two sets of spacing claws, has not only promoted the compatibility of device, has still promoted the stability of device overall operation.

Description

Totally-enclosed transformer

Technical Field

The utility model belongs to the technical field of transformers, and particularly relates to a fully-closed transformer.

Background

The transformer is also called as an instrument transformer, and is a generic term of a current transformer and a voltage transformer. Can change high voltage into low voltage and large current into small current for measuring or protecting system. The function of the device is mainly to convert high voltage or large current into standard low voltage (100V) or standard small current (5A or 1A, respectively, nominal value) proportionally so as to realize standardization and miniaturization of measuring instruments, protecting equipment and automatic control equipment. Meanwhile, the mutual inductor can be used for separating a high-voltage system so as to ensure the safety of personnel and equipment.

Through searching, in the prior art, chinese patent application number: CN201921548215.1, filing date: 2019-09-18, which discloses a totally-enclosed small current transformer, relates to the technical field of transformers, in particular to a totally-enclosed small current transformer; according to the utility model, through the closed design of the storage box and the mounting cover, the current transformer can still keep the normal operation of the internal coil in the long-time use process, and is not interfered by external environment and dust, so that the use efficiency of the current transformer is reduced, and compared with the existing semi-closed current transformer, the current transformer has higher overall safety and service life.

The device still has the following drawbacks:

1. the device can not carry out spacing fixed processing to the wire of different bore and shape to lead to the device to reduce in the in-service use convenience, influence the holistic compatibility of device.

2. The device can not timely discharge heat generated in the working process of the transformer through the device, so that the device is easy to cause overhigh temperature inside the device after long-time use, and the service life of the device is influenced.

Disclosure of Invention

In view of the above problems, the present utility model provides a fully enclosed transformer, comprising a transformer housing;

a group of electric sliding tables are fixedly mounted on two adjacent inner walls of the transformer shell, a group of sliding blocks are slidably connected to the two groups of electric sliding tables, a group of first connecting rods are fixedly connected to one sides of the two groups of sliding blocks, which are far away from the two groups of electric sliding tables, a group of second connecting rods are fixedly connected to the two groups of first connecting rods, a group of first limiting claws are fixedly connected to one ends of the two groups of second connecting rods, which are close to the first wiring holes and the second wiring holes, a group of wiring columns are fixedly mounted on the other ends of the two groups of second connecting rods, a plurality of groups of protruding blocks are fixedly connected to the inner walls of the two groups of first limiting claws, and a group of first gaskets are fixedly mounted on two side walls of the two groups of first limiting claws along the horizontal direction;

the inner walls of two sides of the transformer shell are fixedly connected with a group of third connecting rods, and one ends, close to the two groups of first limiting claws, of the two groups of third connecting rods are fixedly connected with a group of second limiting claws.

Further, the inside of two sets of second spacing claw all with a plurality of groups lug fixed connection, and two sets of second spacing claw is along the equal fixedly connected with a set of second gasket of both sides wall of horizontal direction, two sets of the second gasket all with two sets of first gasket activity laminating.

Further, the transformer shell is provided with a hollow sliding cavity, and a group of mounting holes are formed in the edge corners of the transformer shell.

Further, the outer wall top fixedly connected with heat dissipation casing of mutual-inductor casing, just a plurality of groups of louvres have been seted up to the equidistant outer wall of heat dissipation casing, first wiring hole and second wiring hole have been seted up to the outer wall of mutual-inductor casing, just first wiring hole and second wiring hole set up along the axis symmetry of mutual-inductor casing.

Further, a group of control switches are embedded and installed on one side wall of the transformer shell, which is close to the first wiring hole and the second wiring hole, and the two groups of control switches are symmetrically arranged along the central axis of the transformer shell.

Further, the inner wall of the transformer shell is fixedly connected with a plurality of groups of dampers, and the other ends of the plurality of groups of dampers are fixedly connected with iron cores.

Further, a primary coil is arranged on one side of the iron core, a secondary coil is arranged on the other side of the iron core, and the primary coil is electrically connected with the secondary coil.

Further, the transformer casing is along one side inner wall fixedly connected with electric putter of vertical direction, just electric putter's output transmission is connected with the mounting panel, one side fixedly connected with servo motor that electric putter was kept away from to the mounting panel, just servo motor's output transmission is connected with the flabellum, the inner wall activity laminating of mounting panel and heat dissipation casing.

Further, a group of micro switches are fixedly installed on two adjacent inner walls of the transformer shell, which are close to the radiating shell, and the two groups of micro switches are symmetrically arranged along the central axis of the transformer shell.

Further, the two groups of micro switches are movably attached to the mounting plate, and the two groups of micro switches are electrically connected with the servo motor.

The beneficial effects of the utility model are as follows:

1. according to the embodiment, through the cooperation of the two groups of electric sliding tables, the two groups of sliding blocks, the two groups of first connecting rods, the two groups of second connecting rods, the two groups of third connecting rods, the two groups of first limiting claws, the two groups of second limiting claws and the plurality of groups of protruding blocks, the device can clamp and fix wire openings with different calibers and different shapes, the stability of a closed circuit between the two groups of limiting claws can be improved, the compatibility of the device is improved, and the stability of the whole operation of the device is also improved.

2. According to the embodiment, through the cooperation of the electric push rod, the mounting plate, the servo motor, the fan blades and the two groups of micro switches, the device can effectively dissipate heat, the device can maintain the sealing performance inside the device, the service life of the whole device is prolonged, and the sealing performance of the whole device is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 shows a schematic structural diagram of a fully enclosed transformer of the present utility model;

fig. 2 shows a structural cross-section of the transformer housing of the present utility model;

fig. 3 shows a rear structural cross-section of the transformer housing of the present utility model.

Marked in the figure as: 1. a transformer housing; 2. a hollow sliding cavity; 3. a mounting hole; 4. a heat dissipation housing; 5. a heat radiation hole; 6. a first wiring hole; 7. a second wiring hole; 8. a control switch; 9. an electric sliding table; 10. a slide block; 11. a first link; 12. binding posts; 13. a second link; 14. a first limit claw; 15. a first gasket; 16. a bump; 17. a second gasket; 18. a third link; 19. a second limit claw; 20. an iron core; 21. a primary coil; 22. a secondary coil; 23. a damper; 24. an electric push rod; 25. a mounting plate; 26. a servo motor; 27. a fan blade; 28. and a micro-switch.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a fully-closed transformer. The fully enclosed transformer comprises: the transformer housing 1 is illustrated, for example, in fig. 1.

The transformer shell 1 is provided with a hollow sliding cavity 2, a group of mounting holes 3 are formed in the corners of the edge of the transformer shell 1, a radiating shell 4 is fixedly connected to the top end of the outer wall of the transformer shell 1, a plurality of groups of radiating holes 5 are formed in the outer wall of the radiating shell 4 at equal intervals, a first wiring hole 6 and a second wiring hole 7 are formed in the outer wall of the transformer shell 1, the first wiring hole 6 and the second wiring hole 7 are symmetrically arranged along the central axis of the transformer shell 1, a group of control switches 8 are embedded in one side wall, close to the first wiring hole 6 and the second wiring hole 7, of the transformer shell 1, and the two groups of control switches 8 are symmetrically arranged along the central axis of the transformer shell 1;

as illustrated by way of example in fig. 2. A group of electric sliding tables 9 are fixedly installed on two adjacent inner walls of the transformer shell 1, a group of sliding blocks 10 are slidably connected to two groups of electric sliding tables 9, a group of first connecting rods 11 are fixedly connected to one sides of the two groups of sliding blocks 10 far away from the two groups of electric sliding tables 9, a group of second connecting rods 13 are fixedly connected to the two groups of first connecting rods 11, a group of first limiting claws 14 are fixedly connected to one ends of the two groups of second connecting rods 13 close to the first wiring holes 6 and the second wiring holes 7, a group of wiring columns 12 are fixedly installed on the other ends of the two groups of second connecting rods 13, a plurality of bumps 16 are fixedly connected to the inner walls of the two groups of first limiting claws 14, and a group of first gaskets 15 are fixedly installed on two side walls of the two groups of first limiting claws 14 along the horizontal direction;

the inner walls of two sides of the transformer shell 1 are fixedly connected with a group of third connecting rods 18, one ends, close to the two groups of first limiting claws 14, of the two groups of third connecting rods 18 are fixedly connected with a group of second limiting claws 19, the interiors of the two groups of second limiting claws 19 are fixedly connected with a plurality of groups of protruding blocks 16, two groups of second limiting claws 19 are fixedly connected with a group of second gaskets 17 along two side walls in the horizontal direction, and the two groups of second gaskets 17 are movably attached to the two groups of first gaskets 15;

the two groups of control switches 8 are electrically connected with the two groups of electric sliding tables 9;

as illustrated by way of example in fig. 3. The inner wall of the transformer shell 1 is fixedly connected with a plurality of groups of dampers 23, the other ends of the plurality of groups of dampers 23 are fixedly connected with an iron core 20, one side of the iron core 20 is provided with a primary coil 21, the other side of the iron core 20 is provided with a secondary coil 22, and the primary coil 21 is electrically connected with the secondary coil 22;

the two groups of binding posts 12 are respectively and electrically connected with the primary coil 21 and the secondary coil 22;

the transformer shell 1 is fixedly connected with an electric push rod 24 along one side inner wall of the vertical direction, the output end of the electric push rod 24 is in transmission connection with a mounting plate 25, one side, far away from the electric push rod 24, of the mounting plate 25 is fixedly connected with a servo motor 26, the output end of the servo motor 26 is in transmission connection with a fan blade 27, and the mounting plate 25 is in movable fit with the inner wall of the heat dissipation shell 4;

adjacent inner walls of two sides of the transformer shell 1, which are close to the heat dissipation shell 4, are fixedly provided with a group of micro switches 28, the micro switches 28 are symmetrically arranged along the central axis of the transformer shell 1, the micro switches 28 are movably attached to the mounting plate 25, and the micro switches 28 are electrically connected with the servo motor 26.

When the device starts to work, firstly, two groups of wires are respectively inserted into the first wiring hole 6 and the second wiring hole 7, the two groups of electric sliding tables 9 are operated by pressing the control switch 8, the two groups of sliding blocks 10 are slid along the movement directions of the two groups of electric sliding tables 9 by the operation of the two groups of electric sliding tables 9 until the first limiting claw 14 and the second limiting claw 19 clamp the two groups of wires, the two groups of limiting claws can clamp the two groups of wires better by the arrangement of the plurality of groups of protruding blocks 16, a more stable closed circuit is formed between the two groups of limiting claws by the cooperation of the two groups of first gaskets 15 and the two groups of second gaskets 17,

when the heat dissipation is needed inside the device, the electric push rod 24 is started to drive the mounting plate 25, so that the position of the mounting plate 25 is lowered, when the position of the mounting plate 25 is continuously lowered and touches the two groups of micro switches 28, the servo motor 26 is started, the moving fan blades 27 are driven by the operation of the servo motor 26, so that hot air inside the device is emitted outwards through the groups of heat dissipation holes 5 of the heat dissipation shell 4, when the temperature inside the device is lowered to a designated area, the electric push rod 24 is started to drive the mounting plate 25 to touch the two groups of micro switches 28, the servo motor 26 is stopped by the two groups of micro switches 28, and when the mounting plate 25 is moved into the heat dissipation shell 4, the mounting plate 25 is movably attached to the inner wall of the heat dissipation shell 4, so that the groups of heat dissipation holes 5 cannot be communicated with the transformer shell 1, and a closed space is formed inside the transformer shell 1;

through the cooperation of the two groups of electric sliding tables 9, the two groups of sliding blocks 10, the two groups of first connecting rods 11, the two groups of second connecting rods 13, the two groups of connecting rods 12, the two groups of third connecting rods 18, the two groups of first limiting claws 14, the two groups of second limiting claws 19 and the plurality of groups of protruding blocks 16, the device can clamp and fix wire openings with different calibers and different shapes, the stability of a closed circuit between the two groups of limiting claws can be improved, the compatibility of the device is improved, and the stability of the whole operation of the device is also improved;

through the cooperation of electric putter 24, mounting panel 25, servo motor 26, flabellum 27 and two sets of micro-gap switch 28, not only make the device effectively dispel the heat, still make the device can maintain the inside closure of device, not only promoted the holistic life of device, still promoted the holistic closure of device.

Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A totally enclosed transformer, characterized in that: comprises a transformer shell (1);

a group of electric sliding tables (9) are fixedly arranged on two adjacent inner walls of the transformer shell (1), a group of sliding blocks (10) are slidably connected to the two groups of sliding tables (9), a group of first connecting rods (11) are fixedly connected to one sides of the two groups of sliding blocks (10) away from the two groups of electric sliding tables (9), a group of second connecting rods (13) are fixedly connected to the two groups of first connecting rods (11), a group of first limiting claws (14) are fixedly connected to one ends, close to the first wiring holes (6) and the second wiring holes (7), of the two groups of second connecting rods (13), a group of wiring columns (12) are fixedly arranged at the other ends of the two groups of second connecting rods (13), a plurality of groups of protruding blocks (16) are fixedly connected to the inner walls of the two groups of first limiting claws (14), and a group of first gaskets (15) are fixedly arranged on two side walls of the two groups of the first limiting claws (14) along the horizontal direction;

the two side inner walls of the transformer shell (1) are fixedly connected with a group of third connecting rods (18), and one ends, close to the two groups of first limiting claws (14), of the two groups of third connecting rods (18) are fixedly connected with a group of second limiting claws (19).

2. A fully enclosed transformer as claimed in claim 1, wherein: the inside of two sets of second spacing claw (19) all with a plurality of groups lug (16) fixed connection, and two sets of second spacing claw (19) along the both sides wall of horizontal direction all fixedly connected with a set of second gasket (17), two sets of second gasket (17) all with two sets of first gasket (15) activity laminating.

3. A fully enclosed transformer as claimed in claim 2, wherein: the transformer shell (1) is provided with a hollow sliding cavity (2), and a group of mounting holes (3) are formed in the corners of the edges of the transformer shell (1).

4. A fully enclosed transformer as claimed in claim 2, wherein: the transformer comprises a transformer shell (1), wherein a heat dissipation shell (4) is fixedly connected to the top end of the outer wall of the transformer shell (1), a plurality of groups of heat dissipation holes (5) are formed in the outer wall of the heat dissipation shell (4) at equal intervals, a first wiring hole (6) and a second wiring hole (7) are formed in the outer wall of the transformer shell (1), and the first wiring hole (6) and the second wiring hole (7) are symmetrically arranged along the central axis of the transformer shell (1).

5. The fully enclosed transformer of claim 4, wherein: a group of control switches (8) are embedded and installed on one side wall of the transformer shell (1) close to the first wiring hole (6) and the second wiring hole (7), and the two groups of control switches (8) are symmetrically arranged along the central axis of the transformer shell (1).

6. A fully enclosed transformer as claimed in claim 2, wherein: the inner wall of the transformer shell (1) is fixedly connected with a plurality of groups of dampers (23), and the other ends of the plurality of groups of dampers (23) are fixedly connected with an iron core (20).

7. The fully enclosed transformer of claim 6, wherein: one side of the iron core (20) is provided with a primary coil (21), the other side of the iron core (20) is provided with a secondary coil (22), and the primary coil (21) is electrically connected with the secondary coil (22).

8. A fully enclosed transformer as claimed in claim 2, wherein: the transformer shell (1) is fixedly connected with an electric push rod (24) along one side inner wall of the vertical direction, the output end of the electric push rod (24) is in transmission connection with a mounting plate (25), one side, away from the electric push rod (24), of the mounting plate (25) is fixedly connected with a servo motor (26), the output end of the servo motor (26) is in transmission connection with a fan blade (27), and the mounting plate (25) is in movable fit with the inner wall of the heat dissipation shell (4).

9. The fully enclosed transformer of claim 4, wherein: a group of micro switches (28) are fixedly arranged on two adjacent inner walls of the mutual inductor shell (1) close to the heat dissipation shell (4), and the two groups of micro switches (28) are symmetrically arranged along the central axis of the mutual inductor shell (1).

10. A fully enclosed transformer according to claim 9, wherein: the two groups of micro switches (28) are movably attached to the mounting plate (25), and the two groups of micro switches (28) are electrically connected with the servo motor (26).