CN211455480U

CN211455480U - Box type transformer

Info

Publication number: CN211455480U
Application number: CN201921650885.4U
Authority: CN
Inventors: 戴敏
Original assignee: JIANGSU HAIKAI ELECTRIC CO Ltd
Current assignee: JIANGSU HAIKAI ELECTRIC CO Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-09-08
Anticipated expiration: 2029-09-30

Abstract

The utility model provides a box transformer, including box (1), the cabinet body (2), heat abstractor (3), lightning rod (7), high-voltage board (21), transformer cabinet (22) and low-voltage board (23) three cabinet body (2) are installed from a left side to the right side in proper order in box (1), heat abstractor (3) are all installed to the bottom of the cabinet body (2), heat abstractor (3) are including annular frame (31), sealed barrel (32), through-hole (33), annular mount (34), impeller (35), inverter motor (36), back lid (37), intake pipe (38) of going out gas, lightning rod (7) vertical fixation is in box (1) upper surface. The utility model discloses an adopt no flabellum fan to fix in cabinet body bottom, utilize the fan of sealed barrel inside to rotate the cold air that makes intake pipe mouth department and spout cabinet body inside through the annular frame of giving vent to anger, form strong air current for the cooling rate of the internal work component of cabinet.

Description

Box type transformer

Technical Field

The utility model relates to a technical field is made to box transformer, especially relates to a box transformer.

Background

The box-type transformer organically combines the functions of high-voltage power receiving, transformer voltage reduction and low-voltage power distribution, is installed in a transformer substation in a box body, replaces the original civil power distribution rooms, power distribution stations and the like, and becomes a new set of power distribution equipment.

However, the box-type transformer has large heat productivity in the working process, is influenced by a high-temperature environment, is easy to convert electric energy into heat energy excessively, causes unnecessary loss, is unfavorable for a coil of the transformer due to overhigh temperature of the transformer, is easy to age the coil, and shortens the service life of the coil; meanwhile, the transformer has poor heat dissipation performance, so that the temperature of the iron core is too high, fire hazard exists, and corresponding heat dissipation equipment is required to be equipped for quickly dissipating heat of the transformer cabinet, the high-voltage cabinet and the low-voltage cabinet.

And most of the existing lightning protection devices are grounded for lightning protection, so that the machine body bears lightning and shunts to the ground, the hidden danger of lightning is eliminated, however, when the load voltage of equipment is too large, the equipment is easy to burn out, and the lightning protection cannot be avoided before the lightning strike, so that the equipment with better lightning protection effect is needed for lightning protection of the box-type transformer.

SUMMERY OF THE UTILITY MODEL

For the problem that the complicated effect of heat radiation structure who overcomes existence among the prior art is not good, lightning protection effect is not good, the utility model provides a box transformer.

A box-type transformer comprises a box body, cabinet bodies, a heat dissipation device and a lightning rod, wherein the box body is of a rectangular structure, three cabinet bodies including a high-voltage cabinet, a transformer cabinet and a low-voltage cabinet are sequentially arranged from left to right, temperature sensors and humidity sensors are arranged in the three cabinet bodies, the heat dissipation device is arranged at the bottom of each of the high-voltage cabinet, the transformer cabinet and the low-voltage cabinet and comprises an annular gas outlet frame, a sealing cylinder body, a through hole, an annular fixing frame, an impeller, a variable frequency motor, a rear cover and an air inlet pipe, the annular gas outlet frame is arranged at the bottom of the inner bottom of the box body through screws, a sealing cylinder body which is arranged at the same axial position with the annular gas outlet frame is arranged at the bottom of the side wall of the box body and is communicated with the annular gas outlet frame through the through hole, an annular fixing frame is fixedly connected, install inverter motor between annular mount and the through-hole, inverter motor is connected with the impeller electricity, sealed barrel opposite side opening part threaded connection back lid, the rigid coupling is gone up to the back has a gas outlet to stretch into the inside intake pipe of sealed barrel, the lightning rod vertical fixation is in the box upper surface.

In a preferred embodiment of the present invention, the air inlet pipe extends out of the box body, and the air inlet pipe extends out of one end of the box body and is provided with a dustproof drying mesh enclosure, and the dustproof drying mesh enclosure can be replaced.

In a preferred embodiment of the present invention, the cabinet and the cabinet have a plurality of air outlets, and the air outlets are provided with replaceable dust-proof drying mesh.

In a preferred embodiment of the present invention, the sealing cylinder is made of transparent plastic material.

In a preferred embodiment of the present invention, the diameter of the annular air outlet frame is smaller than the side length of the bottom surface of the cabinet body.

In a preferred embodiment of the present invention, the width of the air outlet of the annular air outlet frame is 1-2 mm.

The utility model discloses a preferred embodiment still includes the display screen, the sunken department on box right side is installed to the display screen.

In a preferred embodiment of the present invention, the utility model further comprises a box cover, the box cover is installed on the upper end of the box body and protrudes out of the box body (the upper edge is folded downwards).

In a preferred embodiment of the present invention, the wireless transmission device further comprises a wireless transmission antenna, wherein the wireless transmission antenna is installed at an upper middle position of the box cover.

The utility model discloses an in the preferred embodiment, the lightning protection lightning rod is insulating material, can also the vertical fixation in the case lid upper surface, the lightning protection lightning rod is connected with the box base electricity, the lightning protection lightning rod is equipped with the stationary flow resistance ring, the lightning rod base of the insulating cover of lightning protection, lightning rod body, lightning rod, the insulating cover of lightning protection nests outside the lightning rod body, lightning rod body vertical fixation is on the stationary flow resistance ring of lightning rod, the stationary flow resistance ring, the lightning rod base of lightning rod are equipped with more than two and all locate lightning rod base top.

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

(1) the fan without fan blades is fixed at the bottom of the cabinet body, and the fan inside the sealing cylinder rotates to enable cold air at the air inlet pipe to be sprayed into the cabinet body through the annular air outlet frame, so that strong air flow is formed, the cooling speed of working elements in the cabinet body is increased, the cooling effect is good, the service life of the working elements is prolonged, and the fan is low in manufacturing cost, attractive and practical;

(2) when the load of the lightning protection insulation sleeve is overlarge and current flows in, the current stabilizing resistance ring is led in through the lightning protection needle body to enter the lightning rod base, the lightning rod base is directly connected with the grounded box-type transformer base, the current is led in through the ground to protect the equipment, and the equipment can be protected by grounding through the lightning protection lightning rod and can also be protected by lightning protection in advance through the lightning rod;

(3) set up interchangeable dustproof drying screen panel in each air outlet and air inlet department of box transformer, make the radiating in-process of box transformer need not open the cabinet door, external dust and moisture also do not get into box transformer box and the internal of cabinet, play fine dustproof drying effect, and dustproof drying screen panel is detachable, can in time change.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment 1 of a box-type transformer according to the present invention;

fig. 2 is a schematic top view of a heat dissipation device in an embodiment 1 of a box-type transformer according to the present invention;

fig. 3 is a schematic structural diagram of an embodiment 2 of a box-type transformer according to the present invention;

fig. 4 is a schematic structural diagram of a lightning rod in embodiment 2 of a box-type transformer according to the present invention;

in the figure, 1-box body, 2-cabinet body, 21-high-voltage cabinet, 22-transformer cabinet, 23-low-voltage cabinet, 3-heat dissipation device, 31-annular air outlet frame, 32-sealing cylinder body, 33-through hole, 34-annular fixing frame, 35-impeller, 36-variable frequency motor, 37-rear cover, 38-air inlet pipe, 4-display screen, 5-box cover, 6-wireless transmitting antenna, 7-lightning rod, 71-lightning protection insulating sleeve, 72-lightning rod body, 73-current stabilizing resistance ring of lightning rod, and 74-lightning rod base.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

A box-type transformer, please refer to fig. 1 and 2, comprises a box body 1, three cabinet bodies 2, a heat dissipation device 3 and a lightning rod 7, wherein the box body 1 is of a rectangular structure, the three cabinet bodies 2, namely a high-voltage cabinet 21, a transformer cabinet 22 and a low-voltage cabinet 23, are sequentially installed from left to right, a temperature sensor and a humidity sensor are arranged in each of the three cabinet bodies 2, the front sides of the three cabinet bodies 2 are opened, the heat dissipation device 3 is installed at the bottom of each of the high-voltage cabinet 21, the transformer cabinet 22 and the low-voltage cabinet 23, the heat dissipation device 3 comprises an annular gas outlet frame 31, a sealing cylinder 32, a through hole 33, an annular fixing frame 34, an impeller 35, a variable frequency motor 36, a rear cover 37 and an air inlet pipe 38, the annular gas outlet frame 31 is installed at the bottom in the cabinet body 2 through screws, the sealing cylinder 32 which is arranged at the same axial position as the annular gas outlet frame 31 is arranged at the, sealed barrel 32 is inside to have an annular mount 34 through the screw rigid coupling, install the horizontally impeller 35 of an axis on the annular mount 34 install inverter motor 36 between annular mount 34 and the through-hole 33, inverter motor 36 is connected with impeller 35 electricity, lid 37 behind the sealed barrel 32 opposite side opening part threaded connection, the rigid coupling has a gas outlet to stretch into on the lid 37 the inside intake pipe 38 of sealed barrel 32, lightning rod 7 vertical fixation is in box 1 upper surface.

In this embodiment, the air inlet pipe 38 extends out of the box body, and a dustproof drying mesh enclosure is arranged at one end of the air inlet pipe 38 extending out of the box body 1 and can be replaced.

In this embodiment, there are a plurality of gas outlets on cabinet body 2 and the 1 surface of box, and the gas outlet is equipped with interchangeable dustproof drying net cover.

In this embodiment, the sealing cylinder 32 is made of a transparent plastic material.

In the present embodiment, the diameter of the annular air outlet frame 31 is smaller than the side length of the bottom surface of the cabinet 2.

In the present embodiment, the width of the air outlet of the annular air outlet frame 31 is 1-2 mm.

In this embodiment, the display device further comprises a display screen 4, wherein the display screen 4 is installed in a concave position on the right side of the box body 1 and is used for displaying real-time data in the box body 1.

In this embodiment, the lightning rod 7 is made of an insulating material, and is non-conductive and lightning-proof.

Further, in this embodiment, the lightning protection lightning rod 7 is electrically connected with the base of the box body 1, the lightning protection lightning rod 7 is provided with a lightning protection insulating sleeve 71, a lightning rod body 72, a current stabilizing resistance ring 73 of the lightning protection lightning rod, and a lightning rod base 74, the lightning protection insulating sleeve 71 is nested outside the lightning rod body 72, the lightning rod body 72 is vertically fixed on the current stabilizing resistance ring 73 of the lightning protection lightning rod, and the current stabilizing resistance ring 73 and the lightning rod base 74 of the lightning protection lightning rod are provided with more than two and are all arranged above the lightning rod base 74.

Example 2:

referring to fig. 3, the present embodiment is different from embodiment 1 in that the present embodiment further includes a case cover 5, and the case cover 5 is installed at the upper end of the case body 1, protrudes out of the upper edge of the case body 1 and is folded downward to protect the upper portion of the periphery of the case body 1.

Referring to fig. 3 and 4, the embodiment is different from embodiment 1 in that the lightning protection rod 7 is vertically fixed on the upper surface of the box cover 5, the lightning protection rod 7 is electrically connected with the base of the box body 1, the lightning protection rod 7 is provided with a lightning protection insulation sleeve 71, a lightning rod body 72, a current stabilizing resistance ring 73 of the lightning protection rod, and a lightning rod base 74, the lightning protection insulation sleeve 71 is nested outside the lightning rod body 72, the lightning rod body 72 is vertically fixed on the current stabilizing resistance ring 73 of the lightning protection rod, and the current stabilizing resistance ring 73 of the lightning protection rod and the lightning rod base 74 are provided with two or more than two and are both arranged above the lightning rod base 74.

In the embodiment, the device further comprises a wireless transmitting antenna 6, wherein the wireless transmitting antenna 6 is installed at the middle position of the upper part of the box cover 5 and is used for transmitting data in the box body 1 to a control center, and the control center controls the working frequency of the variable frequency motor according to the data of the temperature sensor and the humidity sensor in the box body 1.

The fan without the fan blades is fixed at the bottom of the cabinet body, and the fan inside the sealing cylinder body rotates to enable cold air at the air inlet to be sprayed into the cabinet body through the annular air outlet frame, so that strong air flow is formed, the cooling speed of working elements in the cabinet body is increased, the cooling effect is good, the service life of the working elements is prolonged, and the fan is low in manufacturing cost, attractive and practical; when the load of the lightning protection insulation sleeve is overlarge and current flows in, the current stabilizing resistance ring is led in through the lightning protection needle body to enter the lightning rod base, the lightning rod base is directly connected with the grounded box-type transformer base, the current is led in through the ground to protect the equipment, and the equipment can be protected by grounding through the lightning protection lightning rod and can also be protected by lightning protection in advance through the lightning rod; set up interchangeable dustproof drying screen panel in each air outlet and air inlet department of box transformer, make the radiating in-process of box transformer need not open the cabinet door, external dust and moisture also do not get into box transformer box and the internal of cabinet, play fine dustproof drying effect, and dustproof drying screen panel is detachable, can in time change.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The utility model provides a box transformer, a serial communication port, including box (1), the cabinet body (2), heat abstractor (3), lightning rod (7), box (1) wholly is the rectangle structure, installs high-voltage board (21), transformer cabinet (22) and low-voltage cabinet (23) three cabinet body (2) from a left side to the right side in proper order, all is equipped with temperature sensor, humidity transducer in the three cabinet body (2), heat abstractor (3) are all installed to the bottom of high-voltage board (21), transformer cabinet (22), low-voltage cabinet (23), heat abstractor (3) are including annular frame (31), sealing barrel (32), through-hole (33), annular mount (34), impeller (35), inverter motor (36), back lid (37), intake pipe (38), annular frame (31) of going out is installed through the screw to bottom in the cabinet body (2), cabinet body (2) lateral wall bottom be equipped with annular frame (31) of going out is in the secret of same axis position Seal barrel (32), sealed barrel (32) are via through-hole (33) intercommunication annular frame (31) of giving vent to anger, sealed barrel (32) are inside to have an annular mount (34) through the screw rigid coupling, install an axis horizontally impeller (35) on annular mount (34) install inverter motor (36) between annular mount (34) and through-hole (33), inverter motor (36) are connected with impeller (35) electricity, lid (37) behind sealed barrel (32) opposite side opening part threaded connection, the rigid coupling has a gas outlet to stretch into on back lid (37) the inside intake pipe (38) of sealed barrel (32), lightning rod (7) vertical fixation is in box (1) upper surface.

2. A box transformer according to claim 1, characterized in that: intake pipe (38) stretch out box (1), intake pipe (38) stretch out the one end of box (1) has dustproof drying screen panel, just dustproof drying screen panel can replace.

3. A box transformer according to claim 1, characterized in that: the cabinet body (2) and the surface of the box body (1) are provided with a plurality of air outlets, and the air outlets are provided with replaceable dustproof drying net covers.

4. A box transformer according to claim 1, characterized in that: the sealing cylinder body (32) is made of transparent plastic materials.

5. A box transformer according to claim 1, characterized in that: the diameter of the annular air outlet frame (31) is smaller than the side length of the bottom surface of the cabinet body (2).

6. A box transformer according to claim 1, characterized in that: the width of the air outlet of the annular air outlet frame (31) is 1-2 mm.

7. A box transformer according to claim 1, characterized in that: the portable box is characterized by further comprising a display screen (4), wherein the display screen (4) is arranged at a concave position on the right side of the box body (1).

8. A box transformer according to claim 1, characterized in that: the box cover (5) is arranged at the upper end of the box body (1) and protrudes out of the upper edge of the box body (1) and is folded downwards.

9. A box transformer according to claim 8, characterized in that: the box cover is characterized by further comprising a wireless transmitting antenna (6), wherein the wireless transmitting antenna (6) is arranged in the middle of the upper portion of the box cover (5).

10. A box transformer according to claim 8, characterized in that: lightning rod (7) are insulating material, can also the vertical fixation in case lid (5) upper surface, lightning rod (7) are connected with box (1) base electricity, lightning rod (7) are equipped with lightning insulating cover (71), lightning rod body (72), the constant current resistance ring (73) of lightning rod, lightning rod base (74), lightning rod insulating cover (71) nestification is outside lightning rod body (72), lightning rod body (72) vertical fixation is on lightning rod's constant current resistance ring (73), lightning rod base (74) are equipped with more than two and all locate lightning rod base (74) top.