CN215451109U

CN215451109U - Transformer high-voltage porcelain bushing protective cover

Info

Publication number: CN215451109U
Application number: CN202121967223.7U
Authority: CN
Inventors: 闫立伟
Original assignee: Wangdu Jizhong Electric Porcelain Electric Appliance Co ltd
Current assignee: Wangdu Jizhong Electric Porcelain Electric Appliance Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-01-07
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses a high-voltage porcelain bushing protective cover of a transformer, which comprises a lower fixing ring, wherein a first fixing groove, a second fixing groove and a third fixing groove are sequentially arranged at the top end of the lower fixing ring from front to back, the inside of the first fixing groove is fixedly connected with the bottom end of an external protective net, the top end of the external protective net is fixedly connected to the inside of a first mounting groove, the first mounting groove is arranged at the front part of the bottom end of an upper fixing ring, the second mounting groove is arranged in the middle of the bottom end of the upper fixing ring, the third mounting groove is arranged at the rear part of the bottom end of the upper fixing ring, and the inner wall of the external protective net is fixedly connected to the outer wall of a supporting layer. According to the utility model, the motor drives the wheel blades to rotate so as to generate airflow, then the supporting layer made of resin impregnated paper can ventilate and prevent dust from entering the protective cover, and finally the sealing performance of the protective cover can be improved through the sealing sheet, so that the protective cover is very convenient to use and is worth of being widely popularized.

Description

Transformer high-voltage porcelain bushing protective cover

Technical Field

The utility model relates to the technical field of power equipment, in particular to a high-voltage porcelain bushing protective cover of a transformer.

Background

The transformer is a static electric equipment for transforming AC voltage and current and transmitting AC energy, it realizes electric energy transmission according to the principle of electromagnetic induction, the transformer can be divided into power transformer, test transformer, instrument transformer and special purpose transformer, the power transformer is the necessary equipment for power transmission and distribution and power consumer distribution, the test transformer is the equipment for withstand voltage test of electric equipment, the instrument transformer is used for electric measurement and relay protection of distribution system, the special purpose transformer is smelting electric furnace transformer, electric welding transformer, electrolytic rectifier transformer, small-sized regulating transformer, etc.

Chinese patent document CN204242803U discloses a 10kV transformer high-voltage porcelain bushing protective cover, and for this patent, there is a shortcoming that ventilation heat dissipation and dustproof functions cannot be taken into account simultaneously, and the high-voltage porcelain bushing can generate high temperature when working, and can accumulate certain dust through long-time use, and these all probably cause the damage of the transformer, but the traditional protective cover cannot take into account dustproof and heat dissipation functions simultaneously, and is very inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a protective cover for a high-voltage porcelain bushing of a transformer.

In order to achieve the purpose, the utility model adopts the following technical scheme: a high-voltage porcelain bushing protective cover of a transformer comprises a lower fixing ring, wherein a first fixing groove, a second fixing groove and a third fixing groove are sequentially arranged at the top end of the lower fixing ring from front to back, the inside of the first fixing groove is fixedly connected with the bottom end of an external protective net, the top end of the external protective net is fixedly connected with the inside of the first mounting groove, the first mounting groove is arranged at the front part of the bottom end of the upper fixing ring, the middle part of the bottom end of the upper fixing ring is provided with a second mounting groove, the rear part of the bottom end of the upper fixing ring is provided with a third mounting groove, the inner wall of the external protective net is fixedly connected with the outer wall of the supporting layer, the inner wall of the supporting layer is fixedly connected with the outer wall of the internal protective net, the upper fixing ring is in threaded connection with the bottom end of the upper cover, the middle part of the bottom end of the upper cover is fixedly connected with a motor, and a driving end of the motor is fixedly connected with a wheel blade.

As a further description of the above technical solution:

the bottom fixedly connected with gasket of solid fixed ring down, the material of gasket is rubber.

As a further description of the above technical solution:

the equal fixedly connected with stationary blade in both ends about lower fixed ring, the equal threaded connection in middle part of stationary blade has set screw.

As a further description of the above technical solution:

the bottom end of the supporting layer is fixedly connected inside the second fixing groove, and the top end of the supporting layer is fixedly connected inside the second mounting groove.

As a further description of the above technical solution:

and a porcelain bushing body is arranged inside the internal protective net.

As a further description of the above technical solution:

the bottom fixed connection of inside protection network is in the inside of third fixed slot, the top fixed connection of inside protection network is in the inside of third mounting groove.

As a further description of the above technical solution:

the internal protective net and the external protective net are both made of stainless steel.

As a further description of the above technical solution:

the supporting layer is made of resin impregnated paper.

The utility model has the following beneficial effects:

according to the utility model, firstly, the motor drives the wheel blades to rotate to generate air flow, heat generated by the porcelain bushing body can be taken away through the air flow, secondly, the supporting layer made of resin impregnated paper can ventilate and prevent dust from entering the protective cover, and finally, the sealing performance of the protective cover can be improved through the sealing sheet, so that the protective cover can simultaneously give consideration to the effects of heat dissipation and dust prevention, thus the possibility of transformer damage can be reduced, the use is very convenient, and the protective cover is worth popularizing.

Drawings

FIG. 1 is a front view of a transformer high-voltage porcelain bushing protective cover according to the present invention;

FIG. 2 is a cross-sectional view of a protective cover for a high-voltage porcelain bushing of a transformer according to the present invention;

FIG. 3 is a top view of a lower fixing ring of a transformer high-voltage porcelain bushing protective cover according to the present invention;

fig. 4 is a bottom view of an upper fixing ring of a transformer high-voltage porcelain bushing protective cover according to the present invention.

Illustration of the drawings:

1. a lower fixing ring; 2. sealing the sheet; 3. a first fixing groove; 4. a second fixing groove; 5. a third fixing groove; 6. a fixing sheet; 7. fixing screws; 8. an internal protective net; 9. a support layer; 10. an external protective net; 11. an upper fixing ring; 12. a first mounting groove; 13. a second mounting groove; 14. a third mounting groove; 15. an upper cover; 16. a motor; 17. a blade; 18. a porcelain bushing body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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, but 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 thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, one embodiment of the present invention is provided: a high-voltage porcelain bushing protective cover for a transformer comprises a lower fixing ring 1, wherein a first fixing groove 3, a second fixing groove 4 and a third fixing groove 5 are sequentially arranged at the top end of the lower fixing ring 1 from front to back, the inside of the first fixing groove 3 is fixedly connected with the bottom end of an external protective net 10, the external protective net 10 can protect the outer wall of a supporting layer 9, the top end of the external protective net 10 is fixedly connected with the inside of a first mounting groove 12, the first mounting groove 12 is arranged at the front part of the bottom end of an upper fixing ring 11, the lower fixing ring 1 and the upper fixing ring 11 can fix the external protective net 10, the supporting layer 9 and an internal protective net 8, a second mounting groove 13 is arranged in the middle of the bottom end of the upper fixing ring 11, a third mounting groove 14 is arranged at the rear part of the bottom end of the upper fixing ring 11, the inner wall of the external protective net 10 is fixedly connected with the outer wall of the supporting layer 9, and the inner wall of the supporting layer 9 is fixedly connected with the outer wall of the internal protective net 8, go up solid fixed ring 11 threaded connection in the bottom of upper cover 15, the bottom middle part fixedly connected with motor 16 of upper cover 15, the drive end fixedly connected with wheel leaf 17 of motor 16, motor 16 drives wheel leaf 17 and rotates and can produce the air current to can take away the heat that insulator body 18 produced through the air current.

The bottom end of the lower fixing ring 1 is fixedly connected with a sealing sheet 2, the sealing sheet 2 is made of rubber, the sealing performance of the protective cover can be improved through the sealing sheet 2, the left end and the right end of the lower fixing ring 1 are fixedly connected with fixing sheets 6, the middle parts of the fixing sheets 6 are in threaded connection with fixing screws 7, equipment can be fixed on a transformer through the fixing sheets 6 and the fixing screws 7, the bottom end of a supporting layer 9 is fixedly connected inside a second fixing groove 4, the top end of a supporting layer 13 is fixedly connected inside a second mounting groove 9, a porcelain bushing body 18 is arranged inside an internal protective net 8, the bottom end of the internal protective net 8 is fixedly connected inside a third fixing groove 5, the top end of the internal protective net 8 is fixedly connected inside a third mounting groove 14, the stability of the equipment can be improved, the internal protective net 8 and the external protective net 10 are made of stainless steel, and the stainless steel can prevent rust on the equipment from increasing the service life of the equipment, the support layer 9 is made of resin impregnated paper, and the support layer 9 made of the material can prevent dust from penetrating into the interior of the device and has a good ventilation effect.

The working principle is as follows: motor 16 drives the rotation of wheel leaf 17 and can produce the air current to can take away the heat that insulator body 18 produced through the air current, supporting layer 9 through resin impregnated paper system is ventilative and can prevent that the dust from getting into the inside of safety cover, can increase the leakproofness of protection casing through gasket 2 at last, thereby can realize that the protection casing compromises heat dissipation and dirt-proof effect simultaneously, can reduce the possibility of transformer damage like this, it is very convenient to use, be worth wideling popularize.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a transformer high voltage porcelain bushing protection casing, includes lower fixed ring (1), its characterized in that: the top end of the lower fixing ring (1) is sequentially provided with a first fixing groove (3), a second fixing groove (4) and a third fixing groove (5) from front to back, the inside of the first fixing groove (3) is fixedly connected with the bottom end of an external protection net (10), the top end of the external protection net (10) is fixedly connected to the inside of a first mounting groove (12), the first mounting groove (12) is arranged at the front part of the bottom end of an upper fixing ring (11), the middle part of the bottom end of the upper fixing ring (11) is provided with a second mounting groove (13), the rear part of the bottom end of the upper fixing ring (11) is provided with a third mounting groove (14), the inner wall of the external protection net (10) is fixedly connected to the outer wall of a supporting layer (9), the inner wall of the supporting layer (9) is fixedly connected to the outer wall of an internal protection net (8), and the upper fixing ring (11) is in threaded connection with the bottom end of an upper cover (15), the middle part of the bottom end of the upper cover (15) is fixedly connected with a motor (16), and the driving end of the motor (16) is fixedly connected with a wheel blade (17).

2. The transformer high-voltage porcelain bushing protective cover according to claim 1, characterized in that: the bottom end of the lower fixing ring (1) is fixedly connected with a sealing piece (2), and the sealing piece (2) is made of rubber.

3. The transformer high-voltage porcelain bushing protective cover according to claim 1, characterized in that: the equal fixedly connected with stationary blade (6) in both ends about lower fixed ring (1), the equal threaded connection in middle part of stationary blade (6) has set screw (7).

4. The transformer high-voltage porcelain bushing protective cover according to claim 1, characterized in that: the bottom end of the supporting layer (9) is fixedly connected to the inside of the second fixing groove (4), and the top end of the supporting layer (9) is fixedly connected to the inside of the second mounting groove (13).

5. The transformer high-voltage porcelain bushing protective cover according to claim 1, characterized in that: a porcelain bushing body (18) is arranged inside the internal protective net (8).

6. The transformer high-voltage porcelain bushing protective cover according to claim 1, characterized in that: the bottom end of the internal protection net (8) is fixedly connected to the inside of the third fixing groove (5), and the top end of the internal protection net (8) is fixedly connected to the inside of the third mounting groove (14).

7. The transformer high-voltage porcelain bushing protective cover according to claim 1, characterized in that: the internal protective net (8) and the external protective net (10) are both made of stainless steel.

8. The transformer high-voltage porcelain bushing protective cover according to claim 1, characterized in that: the supporting layer (9) is made of resin impregnated paper.