CN213691689U

CN213691689U - Novel dry type transformer core

Info

Publication number: CN213691689U
Application number: CN202023077030.2U
Authority: CN
Inventors: 孙兵兵; 赵发航; 孙思贤
Original assignee: Shandong Jinke Electric Co ltd
Current assignee: Shandong Jinke Electric Co ltd
Priority date: 2020-12-19
Filing date: 2020-12-19
Publication date: 2021-07-13
Anticipated expiration: 2030-12-19

Abstract

The utility model discloses a novel dry-type transformer core in power equipment field, including base and core main part, the equipartition is provided with two gyro wheels on the base, two are put up through two locking of locking bolt fixedly connected with to base one side locking has the iron core through pull rod fixed connection between the frame, screw thread fixedly connected with lock nut is passed through to pull rod one end, be provided with on the iron core the core main part, be provided with the forced air cooling pipe in the core main part, tuber pipe No. one of coupling fixedly connected with is passed through to forced air cooling pipe one end. Through setting up core main part, air exhauster, air-cooled pipe and air cleaner, can be abundant cool off the core main part, the cooling effect is better, has guaranteed the stable use of core, has improved the life of core, and the economic nature is better, through setting up gyro wheel and hanging seat, is convenient for remove and hoist and mount the device, and structural design is reasonable, installation convenient to use, and the practicality is stronger.

Description

Novel dry type transformer core

Technical Field

The utility model relates to a power equipment field specifically is a novel dry-type transformer core.

Background

A power transformer is a stationary electrical device that is used to transform an ac voltage (current) of a certain value into another voltage (current) of the same frequency or different values. Power transformers are one of the main devices of power plants and substations. The transformer has the functions of increasing voltage to transmit electric energy to an electricity utilization area in many aspects, and reducing the voltage to use voltages of all levels to meet the requirement of electricity utilization.

Most of the existing dry-type transformer cores are provided with fans at the bottom, and the fans blow air through the bottom to cool the cores, but the cooling effect of the mode is limited, the use requirement cannot be met, and the normal work and the service life of the cores are influenced. Accordingly, those skilled in the art have provided a novel dry transformer core to address the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel dry-type transformer core to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a novel dry type transformer core comprises a base and a core main body, wherein two idler wheels are uniformly arranged on the base, one side of the base is fixedly connected with two locking frames through locking bolts, an iron core is fixedly connected between the two locking frames through a pull rod, one end of the pull rod is fixedly connected with a locking nut through threads, the core main body is arranged on the iron core, an air cooling pipe is arranged in the core main body, one end of the air cooling pipe is fixedly connected with a first air pipe through a pipe joint, the first air pipe is fixedly connected with the locking frames through a pipe support, the middle part of the first air pipe is fixedly connected with an air extraction pipe through a pipe joint, one end of the air extraction pipe, far away from the first air pipe, is fixedly connected with an air exhaust fan through threads, the air exhaust fan is fixedly connected with the locking frames through bolts, one end of the air cooling pipe, far away from, no. two tuber pipes middle parts are through coupling fixedly connected with connecting pipe, the connecting pipe is kept away from the one end of No. two tuber pipes is through screw thread fixedly connected with air cleaner.

As a further aspect of the present invention: core main part one side equipartition is provided with two binding post, fixedly connected with high-pressure connecting rod on the binding post, high-pressure connecting rod one end is connected with the high-pressure connecting wire, the high-pressure connecting wire is kept away from binding post's one end is through nut fixedly connected with high-pressure connecting wire.

As a further aspect of the present invention: the locking device comprises a locking frame and is characterized in that a hanging seat is fixedly connected to one side of the locking frame through bolts, two hanging seats are fixedly connected to the locking frame in an evenly distributed mode and made of cast iron, and three high-voltage terminals are fixedly connected to the locking frame through nuts in an evenly distributed mode.

As a further aspect of the present invention: one side of the core main body, which is far away from the wiring terminal, is fixedly connected with a low-voltage wiring board through a screw, and the low-voltage wiring board is made of copper.

As a further aspect of the present invention: the winding of iron core outside is provided with primary, the primary outside is provided with the inner sheath, the inner sheath adopts heat conduction silica gel material.

As a further aspect of the present invention: the winding of inner sheath outside is provided with the forced air cooling pipe, the forced air cooling outside of managing is provided with the oversheath, the oversheath adopts heat conduction silica gel material.

As a further aspect of the present invention: the outer side of the outer sheath is wound with a secondary coil, the outer side of the secondary coil is provided with a protective layer, and the protective layer is made of insulating rubber.

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

1. the utility model discloses in, through setting up core main part, air exhauster, air-cooled pipe and air cleaner, can be abundant cool off the core main part, the cooling effect is better, has guaranteed the stable use of core, has improved the life of core, and the economic nature is better.

2. The utility model discloses in, through setting up gyro wheel and hanging seat, be convenient for remove and hoist and mount the device, structural design is reasonable, installation convenient to use, and the practicality is stronger.

Drawings

Fig. 1 is a schematic structural view of the present invention;

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

fig. 3 is a side view of the present invention.

In the figure: 1. a base; 2. a roller; 3. a locking frame; 4. a core main body; 5. a wiring terminal; 6. a high voltage terminal; 7. a pull rod; 8. a hanging seat; 9. an exhaust fan; 10. an iron core; 11. a high pressure connecting rod; 12. a high voltage connection line; 13. locking the nut; 14. a primary coil; 15. a secondary coil; 16. an outer sheath; 17. an inner sheath; 18. a protective layer; 19. an air-cooled pipe; 20. locking the bolt; 21. an air filter; 22. a low voltage terminal plate; 23. a tube support; 24. a first air pipe; 25. an exhaust pipe; 26. a second air pipe; 27. and (4) connecting the pipes.

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, in the embodiment of the present invention, a novel dry type transformer core comprises a base 1 and a core main body 4, two rollers 2 are uniformly distributed on the base 1, one side of the base 1 is fixedly connected with two locking frames 3 through locking bolts 20, an iron core 10 is fixedly connected between the two locking frames 3 through a pull rod 7, one end of the pull rod 7 is fixedly connected with a locking nut 13 through a screw thread, the core main body 4 is arranged on the iron core 10, an air cooling pipe 19 is arranged in the core main body 4, one end of the air cooling pipe 19 is fixedly connected with a first air pipe 24 through a pipe joint, the first air pipe 24 is fixedly connected with the locking frames 3 through a pipe support 23, the middle part of the first air pipe 24 is fixedly connected with an air exhaust pipe 25 through the pipe joint, one end of the air exhaust pipe 25, which is far away from the first air pipe 24, no. two tuber pipes 26 of coupling fixedly connected with are passed through to the one end that No. 24 tuber pipes were kept away from to forced air cooling pipe 19, No. two tuber pipes 26 middle parts are passed through coupling fixedly connected with connecting pipe 27, screw thread fixedly connected with air cleaner 21 is passed through to the one end that No. two tuber pipes 26 were kept away from to connecting pipe 27, the gyro wheel 2 device of being convenient for removes, locking frame 3 plays the effect of outrigger, core main part 4 plays the effect of vary voltage, forced air cooling pipe 19 is convenient for cool down the core, air exhauster 9 provides convulsions power for the device, air cleaner 21 plays filtered air's effect.

The core comprises a core main body 4, two wiring terminals 5, a high-voltage connecting rod 11, a high-voltage connecting wire 12, a nut and a high-voltage connecting wire 12, wherein the two wiring terminals 5 are uniformly distributed on one side of the core main body 4, the high-voltage connecting rod 11 is fixedly connected to each wiring terminal 5, one end of each high-voltage connecting rod 11 is connected with the high-voltage connecting wire 12, the end, away from each wiring terminal 5, of each high-voltage connecting wire 12 is fixedly connected with the high-voltage connecting wire; one side of the locking frame 3 is fixedly connected with a hanging seat 8 through bolts, two hanging seats 8 are uniformly and fixedly connected on the locking frame 3, the hanging seats 8 are made of cast iron, three high-voltage terminals 6 are uniformly and fixedly connected on the locking frame 3 through nuts, and the hanging seats 8 are convenient for hoisting the device; one side of the core main body 4, which is far away from the wiring terminal 5, is fixedly connected with a low-voltage wiring board 22 through a screw, the low-voltage wiring board 22 is made of copper, and the low-voltage wiring board 22 is convenient for connecting low-voltage output electricity.

A primary coil 14 is wound on the outer side of the iron core 10, an inner sheath 17 is arranged on the outer side of the primary coil 14, the inner sheath 17 is made of heat-conducting silica gel, the primary coil 14 plays a role in voltage transformation, and the inner sheath 17 plays a role in heat conduction and protection; an air cooling pipe 19 is wound outside the inner sheath 17, an outer sheath 16 is arranged outside the air cooling pipe 19, the outer sheath 16 is made of heat-conducting silica gel, and the outer sheath 16 plays a role in heat-conducting protection; the outer side of the outer sheath 16 is wound with a secondary coil 15, the outer side of the secondary coil 15 is provided with a protective layer 18, the protective layer 18 is made of insulating rubber materials, the secondary coil 15 plays a role in voltage transformation, and the protective layer 18 plays a role in insulation protection.

The utility model discloses a theory of operation is: when in use, the device can be moved through the roller 2, and can be hoisted through the hanging seat 8, so that the installation and use are convenient, in the use process, the heat generated by the primary coil 14 and the secondary coil 15 is subjected to heat exchange with the cold air in the air cooling pipe 19 under the heat conduction action of the inner sheath 17 and the outer sheath 16, the exhaust fan 9 works, the air subjected to heat exchange in the air cooling pipe 19 is pumped out and exhausted to the outside of the core main body 4 through the exhaust pipe 25 and the first air pipe 24, the outside cold air is filtered through the air filter 21, and enters the air cooling pipe 19 for heat exchange under the air draft action of the exhaust fan 9 under the air guide action of the connecting pipe 27 and the second air pipe 26, so as to realize the cooling of the inside of the core main body 4, the cooling effect is good, the device has reasonable structural design, the installation and use are convenient, and the practicability is higher, simultaneously, can effectively cool down 4 insides of core main part, the cooling effect is better, has guaranteed the normal work of core, has improved the life of core, and the economic nature is better.

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 novel dry-type transformer core, includes base (1) and core main part (4), its characterized in that: the core is characterized in that two rollers (2) are uniformly distributed on the base (1), one side of the base (1) is fixedly connected with two locking frames (3) through locking bolts (20), an iron core (10) is fixedly connected between the two locking frames (3) through a pull rod (7), one end of the pull rod (7) is fixedly connected with a locking nut (13) through threads, the core main body (4) is arranged on the iron core (10), an air cooling pipe (19) is arranged in the core main body (4), one end of the air cooling pipe (19) is fixedly connected with a first air pipe (24) through a pipe joint, the first air pipe (24) is fixedly connected with the locking frames (3) through a pipe support (23), the middle part of the first air pipe (24) is fixedly connected with an air exhaust pipe (25) through a pipe joint, one end of the air exhaust pipe (25) far away from the first air pipe (24) is fixedly connected with an exhaust fan, air exhauster (9) through the bolt with locking frame (3) fixed connection, air-cooled pipe (19) are kept away from No. two tuber pipes (26) of the one end of tuber pipe (24) are through coupling fixedly connected with, No. two tuber pipes (26) middle parts are through coupling fixedly connected with connecting pipe (27), keep away from connecting pipe (27) the one end of No. two tuber pipes (26) is through screw thread fixedly connected with air cleaner (21).

2. A novel dry transformer core as claimed in claim 1 wherein: core main part (4) one side equipartition is provided with two binding post (5), fixedly connected with high-pressure connecting rod (11) are gone up in binding post (5), high-pressure connecting rod (11) one end is connected with high-pressure connecting wire (12), high-pressure connecting wire (12) are kept away from nut fixedly connected with high-pressure connecting wire (12) are passed through to the one end of binding post (5).

3. A novel dry transformer core as claimed in claim 1 wherein: locking frame (3) one side is through bolt fixedly connected with hanging seat (8), equipartition fixedly connected with is two on locking frame (3) hanging seat (8), hanging seat (8) adopt the cast iron material, locking frame (3) are gone up through three high-voltage terminal (6) of nut equipartition fixedly connected with.

4. A novel dry transformer core as claimed in claim 2 wherein: one side of the core main body (4) far away from the wiring terminal (5) is fixedly connected with a low-voltage wiring board (22) through a screw, and the low-voltage wiring board (22) is made of copper.

5. A novel dry transformer core as claimed in claim 1 wherein: iron core (10) outside winding is provided with primary coil (14), primary coil (14) outside is provided with inner sheath (17), inner sheath (17) adopt heat conduction silica gel material.

6. A novel dry transformer core as claimed in claim 5 wherein: the winding of inner sheath (17) outside is provided with air-cooled pipe (19), air-cooled pipe (19) outside is provided with oversheath (16), oversheath (16) adopt heat conduction silica gel material.

7. A novel dry transformer core as claimed in claim 6 wherein: the outer side of the outer sheath (16) is wound with a secondary coil (15), a protective layer (18) is arranged on the outer side of the secondary coil (15), and the protective layer (18) is made of insulating rubber.