CN212485065U

CN212485065U - Intelligent protection device for dry-type transformer

Info

Publication number: CN212485065U
Application number: CN202020730930.3U
Authority: CN
Inventors: 毛锋; 王勇
Original assignee: Zhejiang Jiangshan Yuanguang Electric Co ltd
Current assignee: Zhejiang Jiangshan Yuanguang Electric Co ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2021-02-05
Anticipated expiration: 2030-05-06

Abstract

The utility model relates to the technical field of electrical equipment and an intelligent protection device for dry-type transformer is disclosed, the power distribution box comprises a box body, the inside upper left corner fixed mounting of box has the temperature controller, the inside bottom fixed mounting of box has fixed block one, the last fixed surface of fixed block one installs first fixed plate, the last fixed surface of first fixed plate installs the cushion. This transformer, through the temperature of temperature sensor response transformer during operation, and upload and give the temperature controller, when reaching the uniform temperature, radiator fan work on the first fixed plate of temperature controller control, dispel the heat to the transformer, convenient work is dispelled the heat on one side, filter screen two through the inside fixed mounting of vent can effectually block the entering of dust and rainwater, the ventilation groove has been seted up to inside fixed plate of the inboard fixed mounting of vent, it gets into inside the box to have prevented that the rainwater from dashing the vent, the work efficiency and the life of transformer have been improved.

Description

Intelligent protection device for dry-type transformer

Technical Field

The utility model relates to the technical field of electrical equipment, specifically be an intelligent protection device for dry-type transformer.

Background

Dry-type transformers are widely used in local lighting, high-rise buildings, airports, wharf CNC machines and other places, and simply, dry-type transformers refer to transformers in which iron cores and windings are not immersed in insulating oil. The cooling method is classified into natural air cooling (AN) and forced air cooling (AF). During natural air cooling, the transformer can continuously operate for a long time under the rated capacity. When forced air cooling is carried out, the output capacity of the transformer can be improved by 50 percent. The high-voltage and low-voltage coil is mainly composed of an iron core composed of silicon steel sheets and a coil poured by epoxy resin, an insulating cylinder is arranged between the high-voltage and low-voltage coils to increase electrical insulation, and the coil is supported and restrained by a cushion block, and fasteners lapped by parts of the high-voltage and low-voltage coils have anti-loosening performance.

The mode cooling mode for the dry type transformer is single, the natural air cooling time is too long, the dry type transformer is not beneficial to cooling while working, and the ventilation opening on the dry type transformer box is easy to splash when the rainfall is too large, and dust is easy to enter the box body of the dry type transformer box, so that the working and the use of the dry type transformer are influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intelligent protection device for dry-type transformer 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: an intelligent protection device for a dry-type transformer comprises a box body, wherein a temperature controller is fixedly mounted at the upper left corner of the interior of the box body, a first fixing block is fixedly mounted at the bottom of the interior of the box body, a first fixing plate is fixedly mounted at the upper surface of the first fixing plate, a cushion block is fixedly mounted at the upper surface of the first fixing plate, a through hole is formed in the upper surface of the first fixing plate, a cooling fan is fixedly mounted in the through hole, a fixing rod is fixedly connected to the interior of the through hole, a first filter screen is fixedly mounted at the bottom of the interior of the through hole, an insulating cylinder is fixedly mounted at the upper surface of the cushion block, a high-pressure connecting sheet is fixedly mounted at the front of the insulating cylinder, a high-pressure tap is fixedly mounted at the front of the insulating cylinder, a, the other end fixed mounting of high pressure connecting pipe has the high voltage terminal, the last fixed surface of an insulating cylinder installs fixed block two, the last fixed surface of fixed block two installs the second fixed plate, the bottom fixed mounting of second fixed plate has temperature sensor, the positive fixed mounting of second fixed plate has the high voltage terminal, the last fixed surface of second fixed plate installs rings, the inside top fixed mounting of box has smoke alarm, the vent has been seted up on the right side of box, the inside fixed mounting of vent has filter screen two, the left side fixed mounting of vent has the fixed plate, the ventilation groove has been seted up on the right side of fixed plate.

Preferably, the quantity of vent is 2, sets up respectively in the left and right sides of box, and the inside of every vent all fixed mounting have the filter screen, and its inside all fixed mounting has the fixed plate, and the ventilation groove has been seted up to one side that the fixed plate contacted the vent.

Preferably, the number of the through holes formed in the upper surface of the first fixing plate is 3, a cooling fan is fixedly mounted inside each through hole, a cushion block is fixedly mounted at the edge of each through hole, and the number of the cushion blocks at the edge of each through hole is 3.

Preferably, the number of the insulation cylinders is 3, a temperature sensor is fixedly installed between each insulation cylinder, the temperature sensor is installed at the bottom of the second fixing plate, and the number of the temperature sensors is 2.

Preferably, the number of the high-voltage terminals is 3, the front end of each high-voltage terminal is fixedly provided with a high-voltage connecting pipe, and the other end of each high-voltage connecting pipe is fixedly arranged on the front surface of the insulating cylinder.

Compared with the prior art, the beneficial effects of the utility model are that: this intelligent protection device for dry-type transformer, through the temperature of temperature sensor response transformer during operation, and upload and give the temperature controller, when reaching the uniform temperature, radiator fan work on the first fixed plate of temperature controller control, dispel the heat to the transformer, the heat dissipation that has the controllability, convenient work is dispelled the heat on one side, filter screen two through the inside fixed mounting of vent can effectually block the entering of dust and rainwater, the ventilation groove has been seted up inside the inboard fixed mounting's of vent fixed plate, it gets into inside the box to have prevented that the rainwater from dashing the vent, the work efficiency and the life of transformer have been improved.

Drawings

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

fig. 2 is a schematic top view of the first fixing plate of the present invention;

fig. 3 is an enlarged view of a point a in fig. 1.

In the figure: the temperature control device comprises a box body 1, a temperature controller 2, a first fixing plate 3, a first fixing block 4, a cushion block 5, an insulating cylinder 6, a high-voltage connecting sheet 7, a high-voltage tap 8, a second fixing block 9, a high-voltage connecting pipe 10, a high-voltage terminal 11, a second fixing plate 12, a smoke alarm 13, a lifting ring 14, a high-voltage connecting rod 15, a fixing rod 16, a through hole 17, a cooling fan 18, a first filter screen 19, a vent 20, a second filter screen 21, a fixing plate 22, a ventilation groove 23 and a temperature sensor.

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, the present invention provides a technical solution: an intelligent protection device for a dry-type transformer comprises a box body 1, wherein a temperature controller is fixedly installed at the left upper corner inside the box body 1, a first fixing block 4 is fixedly installed at the bottom inside the box body 1, a first fixing plate 3 is fixedly installed on the upper surface of the first fixing plate 4, a cushion block 5 is fixedly installed on the upper surface of the first fixing plate 3, through holes 17 are formed in the upper surface of the first fixing plate 3, a heat radiation fan 18 is fixedly installed inside the through holes 17, a fixing rod 16 is fixedly connected inside the through holes 17, a first filter screen 19 is fixedly installed at the bottom inside the through holes 17, the number of the through holes 17 formed in the upper surface of the first fixing plate 3 is 3, a heat radiation fan is fixedly installed inside each through hole, the cushion block 5 is fixedly installed at the edge of each through hole, the number of the cushion blocks at the edge of each through hole is 3, the number of the insulating cylinders 6 is 3, a temperature sensor 24 is fixedly arranged between every two insulating cylinders, the temperature sensor is arranged at the bottom of a second fixing plate 12, the number of the temperature sensor is 2, a high-voltage connecting sheet 7 is fixedly arranged on the front surface of each insulating cylinder 6, a high-voltage tap 8 is fixedly arranged on the front surface of each insulating cylinder 6, a high-voltage connecting rod 15 is fixedly arranged on the front surface of each insulating cylinder 6, a high-voltage connecting pipe 10 is fixedly arranged on the front surface of each insulating cylinder 6, a high-voltage terminal 11 is fixedly arranged at the other end of each high-voltage connecting pipe 10, a second fixing block 9 is fixedly arranged on the upper surface of each insulating cylinder 6, a second fixing plate 12 is fixedly arranged on the upper surface of each second fixing plate 9, a temperature sensor 24 is fixedly arranged at the bottom of each second fixing plate 12, the temperature sensor 24 senses the temperature of the transformer during operation and uploads, the transformer is cooled, controllable cooling is achieved, the transformer can be conveniently cooled while working, high-voltage terminals 11 are fixedly mounted on the front face of a second fixing plate 12, the number of the high-voltage terminals 11 is 3, a high-voltage connecting pipe is fixedly mounted at the front end of each high-voltage terminal, the other end of each high-voltage connecting pipe is fixedly mounted on the front face of an insulating cylinder 6, a hanging ring 14 is fixedly mounted on the upper surface of the second fixing plate 12, a smoke alarm 13 is fixedly mounted at the top end inside a box body 1, a vent 20 is formed in the right side of the box body 1, a filter screen II 21 is fixedly mounted inside the vent 20, a fixing plate 22 is fixedly mounted on the left side of the vent 20, a vent groove 23 is formed in the right side of the fixing plate 22, the number of the vent 20 is 2, the vent grooves are respectively formed in the left side, the ventilation groove is formed in one side, which is in contact with the ventilation opening, of the fixing plate, the second filter screen 21 fixedly installed inside the ventilation opening 20 can effectively prevent dust and rainwater from entering, the ventilation groove 23 is formed in the fixing plate 22 fixedly installed inside the ventilation opening 20, rainwater is prevented from rushing into the box body 1 through the ventilation opening 20, and the working efficiency and the service life of the transformer are improved.

In the actual operation in-process, when this device uses, the temperature of transformer during operation is responded to through temperature sensor 24, and upload and give temperature controller 2, when reaching the uniform temperature, radiator fan 18 work on the first fixed plate 3 of temperature controller 2 control, dispel the heat to the transformer, can effectually block the entering of dust and rainwater through two 21 filter screens of the inside fixed mounting of vent 20, vent 20 inboard fixed mounting's fixed plate 22 is inside to have seted up ventilation groove 23, it gets into inside the box to have prevented that the rainwater from dashing the vent, when the transformer of box 1 inside takes place the condition of a fire, its smoke alarm 13 then can send the police dispatch newspaper.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an intelligent protection device for dry-type transformer, includes box (1), its characterized in that: the temperature controller is fixedly mounted at the upper left corner of the interior of the box body (1), a first fixing block (4) is fixedly mounted at the bottom of the interior of the box body (1), a first fixing plate (3) is mounted at the upper surface of the first fixing plate (4), a cushion block (5) is mounted at the upper surface of the first fixing plate (3), a through hole (17) is formed in the upper surface of the first fixing plate (3), a cooling fan (18) is fixedly mounted at the interior of the through hole (17), a fixing rod (16) is fixedly connected with the interior of the through hole (17), a first filter screen (19) is fixedly mounted at the bottom of the interior of the through hole (17), an insulating cylinder (6) is fixedly mounted at the upper surface of the cushion block (5), a high-pressure connecting piece (7) is fixedly mounted at the front of the insulating cylinder (6), and a high-pressure tap, the insulation cylinder is characterized in that a high-voltage connecting rod (15) is fixedly arranged on the front side of the insulation cylinder (6), a high-voltage connecting pipe (10) is fixedly arranged on the front side of the insulation cylinder (6), a high-voltage terminal (11) is fixedly arranged on the other end of the high-voltage connecting pipe (10), a fixed block two (9) is fixedly arranged on the upper surface of the insulation cylinder (6), a second fixed plate (12) is fixedly arranged on the upper surface of the fixed block two (9), a temperature sensor (24) is fixedly arranged at the bottom of the second fixed plate (12), a high-voltage terminal (11) is fixedly arranged on the front side of the second fixed plate (12), a hanging ring (14) is fixedly arranged on the upper surface of the second fixed plate (12), a smoke alarm (13) is fixedly arranged on the inner top end of the box body (1), a ventilation opening (20) is arranged on the right side of, the left side fixed mounting of vent (20) has fixed plate (22), ventilation groove (23) have been seted up on the right side of fixed plate (22).

2. The intelligent protection device for the dry-type transformer according to claim 1, wherein: the quantity of vent (20) is 2, sets up respectively in the left and right sides of box (1), and the inside of every vent all fixed mounting have the filter screen, and its inboard all fixed mounting have a fixed plate, and the ventilation groove has been seted up to one side of fixed plate contact vent.

3. The intelligent protection device for the dry-type transformer according to claim 1, wherein: the quantity of the through-holes (17) that the upper surface of first fixed plate (3) was seted up is 3, and the inside of every through-hole all fixed mounting have a radiator fan, and the edge of every through-hole all fixed mounting have cushion (5), and the cushion quantity at every through-hole edge is 3.

4. The intelligent protection device for the dry-type transformer according to claim 1, wherein: the quantity of insulating cylinder (6) is 3, all fixed mounting has temperature sensor (24) between every insulating cylinder, and its temperature sensor installs in the bottom of second fixed plate (12), and the quantity is 2.

5. The intelligent protection device for the dry-type transformer according to claim 1, wherein: the number of the high-voltage terminals (11) is 3, the front end of each high-voltage terminal is fixedly provided with a high-voltage connecting pipe, and the other end of each high-voltage connecting pipe is fixedly arranged on the front surface of the insulating cylinder (6).