CN217588618U

CN217588618U - Isolated lightning protection dry-type transformer

Info

Publication number: CN217588618U
Application number: CN202220547437.7U
Authority: CN
Inventors: 闫国华; 苏玉洪
Original assignee: Shanghai Xishun Electrics Co ltd
Current assignee: Shanghai Xishun Electrics Co ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-10-14
Anticipated expiration: 2032-03-14

Abstract

The utility model belongs to the technical field of the transformer, especially, keep apart lightning protection formula dry-type transformer, including box, transformer body outer wall is provided with heat dissipation mechanism, and heat dissipation mechanism including install the equidistant heat absorption cover that distributes on the transformer body outer wall, install heat pipe on heat absorption cover one side outer wall, connect fin on the outer wall of heat pipe one end, set up in the cooling blower of fin bottom. The utility model discloses a cover absorbs heat, mutually supporting of heat pipe and fin, can directly absorb the temperature on transformer body surface, blow high temperature to the dust screen at box top from the low again by cooling blower outside, the radiating effect is good, mutually supporting through dust screen and deflector, can restrict the dust and fall to the inside both sides of box, the swash plate also can effectually stop the dust and enter into in the box simultaneously, the cleanliness of transformer body has been guaranteed, the dust has been avoided piling up the inside of transformer body and influence radiating problem and take place.

Description

Isolated lightning protection dry-type transformer

Technical Field

The utility model relates to a transformer technical field especially relates to an keep apart lightning protection formula 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 divided into natural air cooling and forced air cooling. 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 device is suitable for intermittent overload operation or emergency accident overload operation; because the load loss and the impedance voltage amplification are large during overload and the device is in a non-economic operation state, the device is not required to be in continuous overload operation for a long time.

The problem that the heat dissipation to dry-type transformer all the time needs to be solved, conventional radiating mode effect is poor, the temperature of transformer can rise sometimes even and exceed 100 ℃, long-time high temperature can cause the threat to system's safe operation, can shorten the life-span of transformer internal insulation cardboard, and the box has seted up many louvres for the heat dissipation simultaneously, and the dust is piled up the inside of transformer through the louvre easily, influences the transformer heat dissipation, still can cause the circuit short circuit when serious.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an isolation lightning protection dry-type transformer.

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

an isolation lightning protection dry-type transformer comprises a box body and a transformer body, wherein the outer wall of the transformer body is provided with a heat dissipation mechanism, and the heat dissipation mechanism comprises heat absorption sleeves which are arranged on the outer wall of the transformer body and distributed at equal intervals, heat conduction pipes arranged on the outer wall of one side of the heat absorption sleeves, radiating fins connected to the outer wall of one end of each heat conduction pipe and a cooling fan arranged at the bottoms of the radiating fins;

the inner wall of the top of the box body is provided with a dustproof mechanism, and the dustproof mechanism comprises a dustproof net installed on the inner wall of the top of the box body, a guide plate welded on the inner wall of the top of the box body and inclined plates welded on the outer walls of the two sides of the box body.

Preferably, the outer walls of the two sides of the box body are provided with ventilation holes which are distributed equidistantly, and the lengths of the ventilation holes are consistent with the length of the inclined plate.

Preferably, the outer wall of the bottom of the transformer body is fixedly connected with a bottom plate through bolts, and the outer wall of the bottom plate is provided with symmetrically distributed supporting seats.

Preferably, the bracing piece of symmetric distribution is installed to fin bottom outer wall, and bracing piece bottom outer wall installs on the top outer wall of bottom plate.

Preferably, a temperature sensor is installed on the inner wall of the top of the box body, and an alarm is installed on the outer wall of the top of the box body.

Preferably, the lightning arresters are symmetrically arranged on the outer wall of the top of the box body, and the outer wall of one side of the box body is connected with a grounding wire.

Preferably, the inner wall of the top of the box body is provided with a lighting lamp.

The utility model has the advantages that:

1. according to the isolation lightning protection dry-type transformer, the heat absorption sleeve, the heat conduction pipe and the radiating fins are matched with each other, so that the temperature on the surface of the transformer body can be directly absorbed, and then the cooling fan blows high temperature to the outside of the dustproof net at the top of the box body from a low position, the radiating effect is good, and the service life of the transformer body is prolonged;

2. this isolation lightning protection formula dry-type transformer of design through mutually supporting of dust screen and deflector, can restrict the dust and fall to the inside both sides of box, and the swash plate also can effectually block that the dust enters into the box in simultaneously, has guaranteed the cleanliness of transformer body, has avoided the dust to pile up the inside of transformer body and influence radiating problem emergence.

Drawings

Fig. 1 is a front view of the overall structure of an isolation lightning protection dry-type transformer according to the present invention;

fig. 2 is a bottom view of the overall structure of an isolated lightning protection dry-type transformer according to the present invention;

fig. 3 is a schematic diagram of a transformer body connection structure of an isolation lightning protection dry-type transformer according to the present invention;

fig. 4 is the utility model provides a heat dissipation mechanism schematic diagram of an isolation lightning protection type dry-type transformer.

In the figure: the transformer comprises a box body 1, a transformer body 2, a heat dissipation mechanism 3, a heat absorption sleeve 31, a heat conduction pipe 32, a heat dissipation fin 33, a cooling fan 34, a dust prevention mechanism 4, a dust prevention net 41, a guide plate 42, an inclined plate 43, a vent hole 5, a bottom plate 6, a support seat 7, a support rod 8, a temperature sensor 9, an alarm 10, a lightning arrester 11 and a lighting lamp 12.

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.

Embodiment 1, referring to fig. 1 to 4, an isolated lightning protection dry-type transformer includes a box 1 and a transformer body 2, a heat dissipation mechanism 3 is disposed on an outer wall of the transformer body 2, and the heat dissipation mechanism 3 includes heat absorption sleeves 31 disposed on the outer wall of the transformer body 2 and distributed equidistantly, a heat conduction pipe 32 disposed on an outer wall of one side of the heat absorption sleeve 31, a heat sink 33 connected to an outer wall of one end of the heat conduction pipe 32, and a cooling fan 34 disposed at a bottom of the heat sink 33, and through mutual cooperation of the heat absorption sleeves 31, the heat conduction pipe 32, and the heat sink 33, the temperature on the surface of the transformer body 2 can be directly absorbed, and then the cooling fan 34 blows the high temperature from a low position to the outside of a dust screen 41 on the top of the box 1, so that the heat dissipation effect is good, and the service life of the transformer body 2 is prolonged;

the outer wall of the bottom of the transformer body 2 is fixedly connected with a bottom plate 6 through bolts, the outer wall of the bottom plate 6 is provided with a supporting seat 7 which is symmetrically distributed, the outer wall of the bottom of the radiating fin 33 is provided with a supporting rod 8 which is symmetrically distributed, and the outer wall of the bottom of the supporting rod 8 is arranged on the outer wall of the top of the bottom plate 6.

Embodiment 2, referring to fig. 1 to 4, this embodiment is optimized on the basis of embodiment 1, specifically:

the inner wall of the top of the box body 1 is provided with the dustproof mechanism 4, the dustproof mechanism 4 comprises a dustproof net 41 arranged on the inner wall of the top of the box body 1, a guide plate 42 welded on the inner wall of the top of the box body 1 and inclined plates 43 welded on the outer walls of two sides of the box body 1, dust can be limited from falling to two sides inside the box body 1 through the mutual matching of the dustproof net 41 and the guide plate 42, meanwhile, the inclined plates 43 can also effectively prevent the dust from entering the box body 1, the cleanliness of the transformer body 2 is ensured, and the problem that the dust is accumulated inside the transformer body 2 to influence heat dissipation is avoided;

the outer wall of 1 both sides of box all begins to have the ventilation hole 5 that the equidistance distributes, and the length in ventilation hole 5 is unanimous with the length of swash plate 43, and temperature sensor 9 is installed to 1 top inner wall of box, and 1 top outer wall of box installs siren 10, and 1 top outer wall of box installs the arrester 11 of symmetric distribution, and box 1 one side outer wall connection has the earth connection, and light 12 is installed to 1 top inner wall of box.

The working principle is as follows: after temperature sensor 9 detects the temperature rise to the warning temperature in box 1, siren 10 can send out the police dispatch newspaper, the staff can start cooling blower 34 this moment, cooling blower 34 can be blown to the dust screen 41 at box 1 top from the low place by the heat that fin 33 absorbs from transformer body 2 outside, during the maintenance, the staff can open light 12 and increase the illumination in box 1, through mutually supporting of dust screen 41 and deflector 42, can restrict the dust and fall to the inside both sides of box 1, swash plate 43 also can effectually block in the dust enters into box 1 simultaneously, avoid the dust to pile up the inside of transformer body 2.

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. An isolation lightning protection dry-type transformer comprises a box body (1) and a transformer body (2), and is characterized in that a heat dissipation mechanism (3) is arranged on the outer wall of the transformer body (2), the heat dissipation mechanism (3) comprises heat absorption sleeves (31) which are arranged on the outer wall of the transformer body (2) and distributed at equal intervals, a heat conduction pipe (32) arranged on the outer wall of one side of each heat absorption sleeve (31), a radiating fin (33) connected to the outer wall of one end of each heat conduction pipe (32), and a cooling fan (34) arranged at the bottom of each radiating fin (33);

the inner wall of the top of the box body (1) is provided with a dustproof mechanism (4), and the dustproof mechanism (4) comprises a dustproof net (41) arranged on the inner wall of the top of the box body (1), a guide plate (42) welded on the inner wall of the top of the box body (1) and inclined plates (43) welded on the outer walls of two sides of the box body (1).

2. The isolated lightning protection dry transformer according to claim 1, wherein the outer walls of the two sides of the box body (1) are provided with ventilation holes (5) at equal intervals, and the length of the ventilation holes (5) is the same as that of the sloping plate (43).

3. The isolated lightning protection dry-type transformer according to claim 1, wherein the bottom outer wall of the transformer body (2) is fixedly connected with the bottom plate (6) through bolts, and the bottom outer wall of the bottom plate (6) is provided with symmetrically distributed supporting seats (7).

4. An isolated lightning protection dry transformer according to claim 1, characterized in that the bottom outer wall of the heat sink (33) is mounted with symmetrically distributed support bars (8), and the bottom outer wall of the support bars (8) is mounted on the top outer wall of the bottom plate (6).

5. The isolation lightning protection dry-type transformer according to claim 1, wherein the inner wall of the top of the tank (1) is installed with a temperature sensor (9), and the outer wall of the top of the tank (1) is installed with an alarm (10).

6. The isolation lightning protection dry-type transformer according to claim 1, wherein the lightning arresters (11) are symmetrically arranged on the outer wall of the top of the box body (1), and one side of the outer wall of the box body (1) is connected with a grounding wire.

7. An isolated lightning protection dry transformer according to claim 1, characterized in that the top inner wall of the tank (1) is provided with a lighting lamp (12).