CN212724984U

CN212724984U - High-voltage transformer with lightning protection safety

Info

Publication number: CN212724984U
Application number: CN202021867194.2U
Authority: CN
Inventors: 饶兴宁; 杨小红; 张正康
Original assignee: SICHUAN SPECIAL TRANSFORMER FA
Current assignee: SICHUAN SPECIAL TRANSFORMER FA
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-03-16
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses a lightning protection safe high-voltage transformer, which comprises a transformer protective shell, wherein a supporting plate is fixedly arranged at the bottom of the transformer protective shell, a transformer is arranged inside the transformer protective shell, heat absorption mechanisms are arranged at the two ends of the transformer, the bottom of the supporting plate is fixedly arranged at the upper end of a transverse plate, a fixing part is arranged at the upper end of the transformer protective shell, a high-voltage input end is arranged on the fixing part, the high-voltage input end is communicated with the fixing part and is connected with the transformer protective shell, supporting rods are arranged at the two sides of the upper end of the fixing part, an insulating protection part is fixedly arranged at the upper end of the supporting rods, a lightning rod fixing mechanism is arranged at the upper end of the insulating protection part, a lightning rod is arranged at, and the heat dissipation performance of the high-voltage transformer is improved.

Description

High-voltage transformer with lightning protection safety

Technical Field

The utility model belongs to the technical field of high voltage transformer, specifically be a high voltage transformer of lightning protection safety.

Background

With the rapid development of national economy in China, the demand for electric power is increasing day by day, and as a main device in a power transmission and transformation system, a high-voltage transformer is also rapidly developed, the high-voltage transformer converts voltage and current of one grade into voltage and current of the same frequency and transmits electric energy between two or more coils by utilizing the principle of electromagnetic induction, and the high-voltage transformer is mainly installed in the open air, the field or a thunderstorm area and is easy to be struck by lightning under the condition of encountering severe weather.

Most of the existing transformers are not provided with lightning protection devices, some transformers are provided with the lightning protection devices, the performance of the lightning protection devices is poor, the lightning protection capability is weak, fire accidents are easily caused by thunder, the heat dissipation effect of the existing high-voltage transformers is poor, if heat cannot be timely dissipated, huge damage can be caused to internal working elements, the transformers cannot normally work, and therefore the service life of the transformers is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the above-mentioned problems, a lightning safe high voltage transformer is provided.

The utility model adopts the technical scheme as follows: the utility model provides a high voltage transformer of lightning protection safety, includes the transformer protective housing, transformer protective housing bottom fixed mounting has the backup pad, the inside transformer that is provided with of transformer protective housing, the transformer both ends are provided with heat absorption mechanism, backup pad bottom fixed mounting is in the diaphragm upper end, transformer protective housing upper end is provided with the mounting, be provided with the high voltage input on the mounting, the high voltage input link up the mounting and links to each other with the transformer protective housing, mounting upper end both sides are provided with the bracing piece, upper end of the support bar fixed mounting has insulating protection piece, insulating protection piece upper end is provided with lightning rod fixing mechanism, lightning rod fixing mechanism upper end is provided with the lightning rod, the lightning rod is located on the lightning rod fixing mechanism and.

In a preferred embodiment, the bottom of the transverse plate is provided with a mounting bracket, the bottom of the transformer protection shell is provided with a cooling fan, a winding coil is arranged in the transformer, and the bottom end of the transformer is fixedly mounted on the inner wall of the bottom end of the transformer protection shell through a mounting block.

In a preferred embodiment, the heat absorption mechanism includes a temperature sensor, a liquid storage chamber, a cooling liquid, a circulation pipe, a delivery pump, a heat dissipation silica gel layer, a heat dissipation fin, a semiconductor refrigerator, a heat conduction plate and a heat dissipation chamber, the bottom of the liquid storage chamber is provided with the heat conduction plate, the cooling liquid is arranged in the liquid storage chamber, the heat dissipation chamber is arranged at the upper ends of two sides of the liquid storage chamber, and the heat conduction plate penetrates through the side wall of the transformer and is arranged in the transformer.

In a preferred embodiment, one side of the liquid storage chamber is provided with a circulating pipe, two ends of the circulating pipe are communicated with the inside of the liquid storage chamber, a conveying pump is fixed on the circulating pipe, a heat dissipation silica gel layer is coated on the outer side wall of the circulating pipe, heat dissipation fins are arranged on the outer side of the circulating pipe, temperature sensors are arranged on the inner walls of the two ends of the inside of the heat dissipation chamber, a semiconductor refrigerator is fixed on the inner wall of the upper end of the heat dissipation chamber, the semiconductor refrigerators are multiple, and the semiconductor refrigerators are parallel to the circulating pipe.

In a preferred embodiment, lightning rod fixing mechanism includes sealing washer, lightning rod mounting and fixing base, the lightning rod mounting passes through fixing base fixed mounting on insulating protection piece, the lightning rod mounting hole has been seted up to lightning rod mounting upper end and lateral wall, be provided with the sealing washer on the lightning rod mounting hole, the lightning rod runs through the sealing washer and link up lightning rod support piece ground connection.

In a preferred embodiment, the outer end of the high-voltage input end is sleeved with a layer of insulating sleeve, the outer end of the transformer protective shell is provided with two groups of radiating louver grooves, and the number of the lightning rods is two.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, the thunder and lightning pours the thunder and lightning into ground along the lightning rod to ground conduction, with lightning rod upside fixed mounting in the lightning rod mounting, improves the guard action to the lightning rod link through the sealing washer, has improved lightning protection effect.

2. The utility model discloses in, inside leading-in coolant liquid of heat of transformer inside through the heat-conducting plate, the delivery pump circulates the coolant liquid, can give off the inside heat of coolant liquid fast through the heat dissipation silica gel layer and the radiating fin on circulating pipe surface, the semiconductor refrigerator can produce air conditioning, air conditioning can cool down to the coolant liquid, can derive the heat fast to the heat of transformer inside, the radiating effect is improved, and can improve the cooling effect of coolant liquid through the semiconductor refrigerator, the radiating efficiency is improved.

3. The utility model discloses in, can improve the radiating effect of transformer protective housing through radiator fan and heat dissipation tripe groove.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the sectional structure of the present invention;

fig. 3 is an enlarged schematic sectional view of the heat absorbing mechanism of the present invention;

fig. 4 is a schematic diagram of the structure of the lightning rod fixing mechanism of the present invention.

The labels in the figure are: 1-mounting bracket, 2-transverse plate, 3-support plate, 4-support rod, 5-lightning rod, 6-lightning rod fixing mechanism, 61-sealing ring, 62-lightning rod fixing member, 63-fixing seat, 7-high voltage input end, 8-insulating protection member, 9-lightning rod supporting member, 10-fixing member, 11-transformer protection shell, 12-radiating fan, 14-heat absorbing mechanism, 141-circulating pipe, 412-cooling liquid, 143-heat conducting plate, 144-liquid storage chamber, 145-delivery pump, 146-radiating fin, 147-radiating silica gel layer, 148-radiating chamber, 149-semiconductor, 150-temperature sensor and 15-transformer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-4, a lightning protection safety high voltage transformer comprises a transformer protection case 11, a support plate 3 is fixedly installed at the bottom of the transformer protection case 11, a transformer 15 is installed inside the transformer protection case 11, the transformer 15 is installed at a proper position, heat absorption mechanisms 14 are installed at both ends of the transformer 15, the bottom of the support plate 3 is fixedly installed at the upper end of a transverse plate 2, a fixing member 10 is installed at the upper end of the transformer protection case 11, a high voltage input end 7 is installed on the fixing member 10, the high voltage input end 7 is connected with the transformer protection case 11 by penetrating through the fixing member 10, support rods 4 are installed at both sides of the upper end of the fixing member 10, an insulating protection member 8 is fixedly installed at the upper end of the support rod 4, a lightning rod fixing mechanism 6 is installed at the upper end of the lightning rod fixing mechanism, the lightning rod 5 receives the lightning, which is conducted along the lightning rod 5 to the ground, and the lightning is dumped into the ground.

It should be noted that the bottom of the transverse plate 2 is provided with the mounting bracket 1, the bottom of the transformer protection shell 11 is provided with the cooling fan 12, the cooling effect of the transformer protection shell 11 can be improved through the cooling fan 12 and the cooling louver grooves, the winding coil 16 is arranged inside the transformer 15, and the bottom end of the transformer 15 is fixedly mounted on the inner wall of the bottom end of the transformer protection shell 11 through the mounting block.

The heat absorbing mechanism 14 includes a temperature sensor 150, a liquid storage chamber 144, a cooling liquid 412, a circulation pipe 141, a delivery pump 145, a heat dissipation silica gel layer 147, a heat dissipation fin 146, a semiconductor refrigerator 149, a heat conducting plate 143, and a heat dissipation chamber 148, the heat conducting plate 143 is disposed at the bottom of the liquid storage chamber 144, the cooling liquid 412 is disposed in the liquid storage chamber 144, the heat dissipation chamber 148 is disposed at the upper end of the two sides of the liquid storage chamber 144, and the heat conducting plate 143 penetrates through the side wall of the transformer 15 and is disposed in the transformer 15.

It should be noted that, a circulation tube 141 is disposed on one side of the liquid storage chamber 144, two ends of the circulation tube 141 are both communicated with the inside of the liquid storage chamber 144, a delivery pump 145 is fixed on the circulation tube 141, a heat dissipation silica gel layer 147 is coated on the outer side wall of the circulation tube 141, heat dissipation fins 146 are disposed on the outer side of the circulation tube 141, temperature sensors 150 are disposed on the inner walls of two ends of the inside of the heat dissipation chamber 148, a plurality of semiconductor refrigerators 149 are fixed on the inner wall of the upper end of the heat dissipation chamber 148, the semiconductor refrigerators 149 are parallel to the circulation tube 141, the heat inside the transformer 15 is guided into the cooling liquid 412 through the heat conduction plate 143, then the delivery pump 145 is started to circulate the cooling liquid 412, the heat inside the cooling liquid 412 can be quickly dissipated through the heat dissipation silica gel layer 147 and the heat dissipation fins 146 on the surface of the circulation tube, semiconductor cooler 149 can produce cold air, and cold air can cool down coolant liquid 412, improves the cooling effect, and this design is simple swift, can derive the heat fast to the heat of transformer 15 inside, has improved the radiating effect.

It should be noted that, the lightning rod fixing mechanism 6 includes the sealing ring 61, the lightning rod fixing member 62 and the fixing base 63, the lightning rod fixing member 62 is fixedly installed on the insulating protection member 8 through the fixing base 63, a lightning rod mounting hole has been seted up to the upper end and the lateral wall of the lightning rod fixing member 62, be provided with the sealing ring 61 on the lightning rod mounting hole, the lightning rod 5 runs through the sealing ring 61 and runs through the lightning rod support member 9 to ground, the upside of the lightning rod 5 is fixedly installed in the lightning rod fixing member 62, can play protection and waterproof sealing effect to the lightning rod 5 through the sealing ring 61, the protective effect to the connecting end of the lightning rod 5 is improved.

It should be noted that, the outer end of the high voltage input end 7 is sleeved with a layer of insulating sleeve, the insulating protection member 8 and the high voltage input end 7 sleeved with a layer of insulating sleeve with the outer end can protect the transformer 15, the outer end of the transformer protection shell 11 is provided with heat dissipation louver grooves, and the number of the lightning rods 5 is two.

The working principle is as follows: during the specific use, install transformer 15 in suitable position, when meetting the thunderbolt, lightning rod 5 receives the thunder and lightning, the thunder and lightning is along lightning rod 5 to ground conduction, pour the thunder and lightning into ground, insulating protection piece 8 simultaneously and the outer pot head be equipped with one deck insulation support's high voltage input 7, can play the effect of protection to transformer 15, simultaneously with lightning rod 5 upside fixed mounting in lightning rod mounting 62, can play protection and sealed waterproof effect to lightning rod 5 through sealing washer 61, the guard action to lightning rod 5 link has been improved.

The heat inside the transformer 15 is conducted into the cooling liquid 412 through the heat conducting plate 143, then the conveying pump 145 is started, the conveying pump 145 circulates the cooling liquid 412, the heat inside the cooling liquid 412 can be rapidly dissipated through the heat dissipation silica gel layer 147 and the heat dissipation fins 146 on the surface of the circulating pipe 141, meanwhile, when the temperature near the circulating pipe 141 is high, the semiconductor refrigerator 149 can produce cold air, the cold air can cool the cooling liquid 412, the cooling effect is improved, the design is simple and rapid, the heat inside the transformer 15 can be rapidly conducted out, the heat dissipation effect is improved, the cooling effect of the cooling liquid 412 can be improved through the semiconductor refrigerator 149, the heat dissipation efficiency is improved, and the heat dissipation effect of the transformer protective shell 11 can be improved through the heat dissipation fan 12 and the heat dissipation louver grooves.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a high voltage transformer of lightning protection safety, includes transformer protective housing (11), its characterized in that: the transformer protection shell is characterized in that a supporting plate (3) is fixedly mounted at the bottom of the transformer protection shell (11), a transformer (15) is arranged inside the transformer protection shell (11), heat absorption mechanisms (14) are arranged at two ends of the transformer (15), the bottom of the supporting plate (3) is fixedly mounted at the upper end of a transverse plate (2), a fixing part (10) is arranged at the upper end of the transformer protection shell (11), a high-voltage input end (7) is arranged on the fixing part (10), the high-voltage input end (7) penetrates through the fixing part (10) to be connected with the transformer protection shell (11), supporting rods (4) are arranged at two sides of the upper end of the fixing part (10), an insulating protection part (8) is fixedly mounted at the upper end of each supporting rod (4), a lightning rod fixing mechanism (6) is arranged, the lightning rod (5) is arranged on the lightning rod fixing mechanism (6) and penetrates through the lightning rod supporting piece (9) to be grounded.

2. A lightning protected high voltage transformer according to claim 1, characterised in that: diaphragm (2) bottom is provided with installing support (1), transformer protective housing (11) bottom is provided with radiator fan (12), transformer (15) inside is provided with winding coil (16), transformer (15) bottom is through installation piece fixed mounting on transformer protective housing (11) bottom inner wall.

3. A lightning protected high voltage transformer according to claim 1, characterised in that: the heat absorption mechanism (14) comprises a temperature sensor (150), a liquid storage chamber (144), cooling liquid (412), a circulating pipe (141), a conveying pump (145), a heat dissipation silica gel layer (147), heat dissipation fins (146), a semiconductor refrigerator (149), a heat conduction plate (143) and a heat dissipation chamber (148), wherein the heat conduction plate (143) is arranged at the bottom of the liquid storage chamber (144), the cooling liquid (412) is arranged inside the liquid storage chamber (144), the heat dissipation chamber (148) is arranged at the upper ends of the two sides of the liquid storage chamber (144), and the heat conduction plate (143) penetrates through the side wall of the transformer (15) and is arranged inside the transformer (15).

4. A lightning protected high voltage transformer according to claim 3, characterised in that: one side of stock solution room (144) is provided with circulating pipe (141), the both ends of circulating pipe (141) all with stock solution room (144) inside intercommunication, be fixed with delivery pump (145) on circulating pipe (141), heat dissipation silica gel layer (147) has been paintd to the lateral wall of circulating pipe (141), the outside of circulating pipe (141) is provided with radiating fin (146), the inside both ends inner wall of radiating chamber (148) is provided with temperature sensor (150), radiating chamber (148) upper end inner wall is fixed with semiconductor refrigerator (149), semiconductor refrigerator (149) are a plurality ofly, and semiconductor refrigerator (149) and circulating pipe (141) are parallel to each other.

5. A lightning protected high voltage transformer according to claim 1, characterised in that: lightning rod fixing mechanism (6) are including sealing washer (61), lightning rod mounting (62) and fixing base (63), lightning rod mounting (62) are through fixing base (63) fixed mounting on insulating protection piece (8), the lightning rod mounting hole has been seted up to lightning rod mounting (62) upper end and lateral wall, be provided with sealing washer (61) on the lightning rod mounting hole, lightning rod (5) run through sealing washer (61) and link up lightning rod support piece (9) ground connection.

6. A lightning protected high voltage transformer according to claim 1, characterised in that: the outer end of the high-voltage input end (7) is sleeved with one layer of insulating sleeve, the outer end of the transformer protective shell (11) is provided with heat dissipation louver grooves, and the number of the lightning rods (5) is two.