CN218782871U

CN218782871U - Lightning-proof dry-type transformer

Info

Publication number: CN218782871U
Application number: CN202223070417.4U
Authority: CN
Inventors: 杨慎识
Original assignee: Shenzhen Baiheng Electric Co ltd
Current assignee: Shenzhen Baiheng Electric Co ltd
Priority date: 2022-11-19
Filing date: 2022-11-19
Publication date: 2023-03-31
Anticipated expiration: 2032-11-19

Abstract

The utility model discloses a dry-type transformer that lightning protection was hit, relate to transformer technical field, including transformer housing, transformer housing lower extreme fixed mounting has the bottom support, transformer housing upper end fixed mounting has a plurality of low-voltage bushing, fixed mounting has a plurality of high-voltage bushing on being located the transformer housing of low-voltage bushing rear position, transformer housing upper end both sides still equal fixed mounting has the hoist and mount seat, fixed mounting has the mount pad on being located the transformer housing of one of them hoist and mount seat rear position, fixed mounting has two mounting panels on the mount pad, first installation logical groove has all been seted up in two mounting panels, fixed mounting has the inserted block between two first installation logical grooves, the equal movable mounting in inserted block both sides has the stopper, fixed mounting has L shape mounting panel between two mounting panels. The mounting seat is mounted on the transformer shell, and the lightning rod and the transformer shell can be insulated by matching the plug block and the L-shaped mounting plate, which are made of ceramic, so that current is prevented from being directly applied to the transformer shell.

Description

Lightning-proof dry-type transformer

Technical Field

The utility model relates to a transformer technical field, in particular to dry-type transformer that lightning protection was hit.

Background

The dry type transformer refers to a transformer in which an iron core and a winding are not immersed in insulating oil;

although some dry-type transformers are installed indoors or in an electrical box, due to the equipment specificity and the operation principle of the transformers, the dry-type transformers are subjected to electric charges overflowing in thunderstorm weather, meanwhile, the dry-type transformers installed in the outdoor electrical box do not have a lightning protection function, so that the dry-type transformers need to be subjected to lightning protection treatment by means of an external lightning protection device, generally, in order to effectively achieve the lightning protection effect, lightning rods are directly installed on the outer side of the electrical box where the dry-type transformers are installed, are in direct contact with the electrical box, and are not insulated, and therefore, the dry-type transformers in the electrical box are damaged by strong instantaneous current after the lightning rods are struck by lightning.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dry-type transformer that lightning protection was hit can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a dry-type transformer of lightning protection, includes transformer housing, transformer housing lower extreme fixed mounting has the bottom support, transformer housing upper end fixed mounting has a plurality of low-voltage bushing, is located fixed mounting has a plurality of high-voltage bushing on the transformer housing of low-voltage bushing rear position, transformer housing upper end both sides still equal fixed mounting has the hoisting seat, and fixed mounting has the mount pad on the transformer housing that is located one of them hoisting seat rear position, fixed mounting has two mounting panels, two on the mount pad first installation leads to the groove, two fixed mounting has the inserted block between the groove is led to in the first installation, the equal movable mounting in inserted block both sides has the stopper, two fixed mounting has L shape mounting panel between the mounting panel, L shape mounting panel upper end fixed mounting has the connector link, connector link upper end fixed mounting has first needle body, first needle body upper end fixed mounting has the second needle body, second needle body upper end fixed mounting has the third needle body.

As the utility model discloses a further optimization scheme, two the equal fixed mounting in mounting panel one side has a plurality of fixed blocks, the second spacing groove has been seted up in the fixed block.

As the utility model discloses a further optimization scheme, the second installation has been seted up on one side of the L shape mounting panel and has been led to the groove, the second installation has led to the inslot and has seted up first spacing groove, just L shape mounting panel one side alternates to install between two mounting panels.

As the utility model discloses a further optimization scheme, inserted block outside fixed mounting has the rubber ring, first spiral shell groove has all been seted up to the inserted block both sides, the inserted block alternates to be installed and leads to the inslot at first installation logical groove and second installation, and the rubber ring then clamps at first spacing inslot.

As the utility model discloses a further optimization scheme, the stopper has first double-screw bolt for inserted block one side fixed mounting, stopper outside fixed mounting has a plurality of rubber pieces, one side fixed mounting that the stopper deviates from first double-screw bolt mutually has the knob piece, first double-screw bolt threaded connection is in first thread groove, just the outer wall that the rubber piece was installed to the stopper clamps at the second spacing inslot that corresponds.

As a further optimization scheme of the utility model, the installation jack has been seted up to L shape mounting panel upper end, the spread groove has been seted up in the connector link, the connector link passes through the spread groove interlude to be installed on L shape mounting panel, just the connector link still passes through bolt fixed mounting on L shape mounting panel, the second thread groove has been seted up at first needle body top, second needle body bottom fixed mounting has the second double-screw bolt, second double-screw bolt threaded connection is in the second thread groove, the third thread groove has been seted up at second needle body top, third needle body bottom fixed mounting has the third double-screw bolt, just third double-screw bolt threaded connection is in the third thread groove.

Compared with the prior art, the utility model discloses following beneficial effect has:

a dry-type transformer that lightning protection was hit, the mount pad of installation on transformer housing to the inserted block and the L shape mounting panel that cooperation pottery was made can insulate lightning rod and transformer housing, prevent that the direct transformer housing of using of electric current is last.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the mounting structure of the mounting seat and the insert block of the present invention;

FIG. 3 is a schematic view of the structure of the L-shaped mounting plate of the present invention;

FIG. 4 is an enlarged view at A in FIG. 3;

fig. 5 is a schematic view of a second needle body structure of the present invention;

fig. 6 is a schematic structural view of a third needle of the present invention.

In the figure: 1. a transformer housing; 2. a bottom bracket; 3. a low-pressure bushing; 4. a high voltage bushing; 5. hoisting a seat; 6. a mounting seat; 7. mounting a plate; 8. a first mounting through groove; 9. inserting a block; 10. a limiting block; 11. an L-shaped mounting plate; 12. a connecting buckle; 13. a first needle body; 14. a second needle body; 15. a third needle body; 16. a second mounting through groove; 17. a first limit groove; 18. a fixed block; 19. a second limit groove; 20. a rubber ring; 21. a first screw groove; 22. a first stud; 23. a rubber block; 24. a knob block; 25. installing a jack; 26. connecting grooves; 27. a second screw groove; 28. a second stud; 29. a third screw groove; 30. and a third stud.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-6, the utility model provides a pair of dry-type transformer of lightning protection, including

transformer housing

1, 1 lower extreme fixed mounting of transformer housing has

bottom support

2, 1 upper end fixed mounting of transformer housing has a plurality of low-voltage bushing 3, fixed mounting has a plurality of high-tension bushing 4 on the transformer housing 1 that is located 3 rear positions of low-voltage bushing, 1 upper end both sides of transformer housing still all fixed mounting have hoist and mount seat 5, fixed mounting has mount seat 6 on the transformer housing 1 that is located 5 rear positions of one of them hoist and mount seat, fixed mounting has two mounting panels 7 on the mount seat 6, first installation through groove 8 has all been seted up in two mounting panels 7, fixed mounting has inserted block 9 between two first installation through grooves 8, equal movable mounting in inserted block 9 both sides has stopper 10, fixed mounting has L shape mounting panel 11 between two mounting panels 7, 11 upper end fixed mounting of L shape mounting panel has

connector link

12, 12 upper end fixed mounting has

first needle

13, 13 upper end fixed mounting has

second needle

14, 14 upper end fixed mounting has third needle 15.

A plurality of fixing blocks 18 are fixedly mounted on one sides of the two mounting plates 7, and second limiting grooves 19 are formed in the fixing blocks 18.

A second installation through groove 16 is formed in one side of the L-shaped installation plate 11, a first limiting groove 17 is formed in the second installation through groove 16, and the L-shaped installation plate 11 is installed between the two installation plates 7 in a penetrating mode.

A rubber ring 20 is fixedly installed on the outer side of the inserting block 9, first screw grooves 21 are formed in two sides of the inserting block 9, the inserting block 9 is installed in the first installing through groove 8 and the second installing through groove 16 in a penetrating mode, and the rubber ring 20 is clamped in the first limiting groove 17;

furthermore, the ceramic insert 9 can fixedly mount the L-shaped mounting plate 11 between the two mounting plates 7 without the occurrence of electrical conduction.

A first stud 22 is fixedly installed on one side, opposite to the inserting block 9, of the limiting block 10, a plurality of rubber blocks 23 are fixedly installed on the outer side of the limiting block 10, a knob block 24 is fixedly installed on one side, opposite to the first stud 22, of the limiting block 10, the first stud 22 is in threaded connection with the first screw groove 21, and the outer wall, provided with the rubber blocks 23, of the limiting block 10 is clamped in the corresponding second limiting groove 19;

furthermore, the insertion block 9 and the limiting block are made of ceramics, and can play an insulating role.

The upper end of the L-shaped mounting plate 11 is provided with a mounting jack 25, the connecting buckle 12 is internally provided with a connecting groove 26, the connecting buckle 12 is installed on the L-shaped mounting plate 11 in a penetrating manner through the connecting groove 26, the connecting buckle 12 is also fixedly installed on the L-shaped mounting plate 11 through a bolt, the top of the first needle body 13 is provided with a second screw groove 27, the bottom of the second needle body 14 is fixedly provided with a second stud 28, the second stud 28 is in threaded connection with the second screw groove 27, the top of the second needle body 14 is provided with a third screw groove 29, the bottom of the third needle body 15 is fixedly provided with a third stud 30, and the third stud 30 is in threaded connection with the third screw groove 29;

furthermore, the L-shaped mounting plate 11 provides a mounting base for the first pin 13, the second pin 14 and the third pin 15, and cooperates with the mounting seat 6 to perform an insulating function with the transformer housing 1.

It should be noted that, the utility model relates to a lightning-proof dry-type transformer, when using, can be with mount pad 6 through welded mode fixed mounting on transformer housing 1 or directly fix on the electronic box that installs transformer housing 1, subsequently, with L shape mounting panel 11 one side from inserting between two mounting panels 7, and alternate plug-in block 9 in two first installation logical grooves 8 and second installation logical groove 16, simultaneously, the rubber ring 20 in the plug-in block 9 outside clamps in first spacing groove 17, subsequently, insert the first screw bolt 22 of stopper 10 one side into the first screw groove 21 of plug-in block 9 one side, and drive first screw bolt 22 through knob piece 24 and stopper 10 and rotate ninety degrees in first screw groove 21, can make the convenient second spacing groove 19 that stopper 10 installed rubber block 23, subsequently, with stopper 10 of plug-in block 9 opposite side as above-mentioned the same principle operate can, and then accomplish the fixed mounting of L shape needle body 11, and make first needle body 13, second needle body 14, third 15 and transformer housing 15 clamp in the second spacing groove 19, and connect to the third screw bolt 12, and can be connected to the third screw bolt 12, and then, and can be connected to the third screw bolt 13 in the third screw bolt 12, and can be connected to the third screw bolt in the third screw bolt 12, and be connected to the third screw bolt in the third screw groove 13.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a dry-type transformer of lightning protection, includes transformer housing (1), transformer housing (1) lower extreme fixed mounting has bottom support (2), transformer housing (1) upper end fixed mounting has a plurality of low-voltage bushing (3), is located fixed mounting has a plurality of high-voltage bushing (4) on transformer housing (1) of low-voltage bushing (3) rear position, transformer housing (1) upper end both sides still equal fixed mounting has hoist and mount seat (5), its characterized in that: be located on transformer housing (1) of one of them hoist and mount seat (5) rear position fixed mounting have mount pad (6), fixed mounting has two mounting panels (7), two on mount pad (6) all seted up first installation in mounting panel (7) and led to groove (8), two fixed mounting has inserted block (9) between leading to groove (8) in first installation, the equal movable mounting in inserted block (9) both sides has stopper (10), two fixed mounting has L shape mounting panel (11) between mounting panel (7), L shape mounting panel (11) upper end fixed mounting has connector link (12), connector link (12) upper end fixed mounting has first needle body (13), first needle body (13) upper end fixed mounting has second needle body (14), second needle body (14) upper end fixed mounting has third needle body (15).

2. A lightning protection dry transformer according to claim 1, characterised in that: a plurality of fixing blocks (18) are fixedly mounted on one side of each of the two mounting plates (7), and second limiting grooves (19) are formed in the fixing blocks (18).

3. A lightning protection dry transformer according to claim 2, characterised in that: the L-shaped mounting plate (11) is characterized in that a second mounting through groove (16) is formed in one side of the L-shaped mounting plate (11), a first limiting groove (17) is formed in the second mounting through groove (16), and the L-shaped mounting plate (11) is inserted between the two mounting plates (7).

4. A lightning protection dry transformer according to claim 3 in which: the rubber ring (20) is fixedly mounted on the outer side of the insert block (9), first screw grooves (21) are formed in two sides of the insert block (9), the insert block (9) is installed in the first installation through groove (8) and the second installation through groove (16) in a penetrating mode, and the rubber ring (20) is clamped in the first limiting groove (17).

5. A lightning protection dry-type transformer according to claim 4, wherein: stopper (10) have first double-screw bolt (22) for inserted block (9) one side fixed mounting, stopper (10) outside fixed mounting has a plurality of rubber blocks (23), one side fixed mounting that stopper (10) deviates from first double-screw bolt (22) mutually has knob piece (24), first double-screw bolt (22) threaded connection is in first spiral shell groove (21), just the outer wall that rubber block (23) were installed in stopper (10) clamps in corresponding second spacing groove (19).

6. A lightning protection dry transformer according to claim 5 wherein: installation jack (25) have been seted up to L shape mounting panel (11) upper end, spread groove (26) have been seted up in connector link (12), connector link (12) are installed on L shape mounting panel (11) through spread groove (26) interlude, just connector link (12) are still through bolt fixed mounting on L shape mounting panel (11), second thread groove (27) have been seted up at first needle body (13) top, second needle body (14) bottom fixed mounting has second double-screw bolt (28), second double-screw bolt (28) threaded connection is in second thread groove (27), third thread groove (29) have been seted up at second needle body (14) top, third needle body (15) bottom fixed mounting has third double-screw bolt (30), just third double-screw bolt (30) threaded connection is in third thread groove (29).