CN210778220U

CN210778220U - Transformer lightning protection drainage subassembly

Info

Publication number: CN210778220U
Application number: CN201920849745.3U
Authority: CN
Inventors: 尚坡利; 吴宁; 高迪; 南康杰; 戴海龙
Original assignee: Lanzhou Petrochemical College of Vocational Technology
Current assignee: Lanzhou Petrochemical College of Vocational Technology
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-06-16
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses a transformer lightning protection drainage component, which comprises a transformer case, wherein the upper side of the transformer case is provided with a rain-proof top, the bottom surface of the rain-proof top is larger than the top surface of the transformer case, the transformer lightning protection drainage component can effectively protect the transformer, effectively prevent lightning, improve safety, prevent rain and sun, dehumidify the inside of the case, has good dehumidification effect, ensures the normal work of the transformer, is convenient for observing the inside of the transformer case, in addition, the clearance between the observation glass and the cabinet door is reduced, and external dust and impurities can be effectively prevented from entering the transformer case.

Description

Transformer lightning protection drainage subassembly

Technical Field

The utility model relates to a transformer protection device specifically is a transformer lightning protection drainage subassembly.

Background

When the power grid is arranged, the transformer is sometimes required to be arranged outdoors, so that rainwater or dust can easily enter the transformer, and the transformer is easily damaged by lightning stroke in summer, thereby increasing unnecessary cost. At present, no protection device capable of effectively preventing lightning, rain and dust for the transformer exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transformer lightning protection drainage subassembly to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a transformer lightning protection drainage component comprises a transformer case, wherein a rain-proof top is arranged on the upper side of the transformer case, the bottom surface of the rain-proof top is larger than the top surface of the transformer case, a sleeve is arranged at the center inside the transformer case, the sleeve extends to the top end of the rain-proof top, a lightning rod is sleeved inside the sleeve, the needle point of the lightning rod is higher than the top end of the sleeve, the bottom end of the lightning rod extends to the outer side of the bottom of the transformer case, galvanized flat steel is screwed on the bottom end of the lightning rod through a ceramic support, a lightning protection ground net is connected to one end of the galvanized flat steel, supporting legs are arranged around the bottom of the transformer case, a dehumidifying device is embedded in the right side of the transformer case and comprises a cold surface, a semiconductor refrigerating sheet, a hot surface, heat-conducting silicone grease, radiating fins and moisture-conducting fiber cotton yarns, and the semiconductor refrigerating sheet, the cold side is arranged on the inner wall of the right side of the transformer case, the hot side is arranged on the outer wall of the right side of the transformer case, the hot side is connected with one side of the radiating fin through heat-conducting silicone grease, the other side of the radiating fin is connected with the cold side through moisture-conducting fiber cotton yarn, a switch door is arranged on the front side of the transformer case, a containing cavity is formed in the switch door, an observation window is formed in the containing cavity area on the switch door, observation glass used for opening or closing the observation window is movably arranged in the containing cavity, a handle used for controlling the observation glass is arranged on the observation glass, clamping pieces are fixedly connected to the upper portion and the lower portion of the observation glass, a plurality of rollers are further connected to the clamping pieces, the observation glass is movably connected into the containing cavity through rollers arranged on the upper portion and the lower portion of the observation glass, and.

As a further aspect of the present invention: the shape of the rain-proof roof is a rectangular pyramid.

As a further aspect of the present invention: the switch door is connected with the transformer case through a hinge.

As a further aspect of the present invention: the clamping piece is of a U-shaped structure.

As a further aspect of the present invention: the lower part of the outer cavity wall is movably connected to the switch door through a hinge, and the upper part of the outer cavity wall is buckled on the switch door.

Compared with the prior art, the beneficial effects of the utility model are that: the transformer case is provided with the rainproof top at the upper side, so that the transformer case can be effectively protected from rain and sunlight, the service life of the transformer case is prolonged, a large amount of charges are gathered by the needle point of the lightning rod during lightning strike, and the charges are transferred to the lightning protection ground screen through the galvanized flat steel, so that the charges on the cloud layer are led into the ground, the transformer is prevented from being dangerous, the lightning protection effect is good, and the safety is improved; when the transformer case works, due to continuous work of the semiconductor refrigeration piece, the inner wall of the transformer case can be caused to present a local low temperature, moisture in the equipment can be condensed into water in the low temperature area inevitably, then the water is conducted to the outside through the moisture-conducting fiber cotton yarn, the hot surface of the semiconductor refrigeration piece is connected with the radiating fin, air flows in the groove piece of the radiating fin, the moisture transferred by the moisture-conducting fiber cotton yarn can be heated and volatilized while the heat is radiated, and finally the moisture in the air in the equipment is transmitted to the outside of the equipment, so that the efficient dehumidification is realized, the drying environment in the transformer case is ensured, and the service life of the equipment in the transformer case is further prolonged; observe the glass activity and set up and taking in the intracavity, just can realize observing glass's quick travel through the handle, be favorable to opening fast or close the observation window, because it is located and takes in the intracavity to observe glass, not only be difficult to be hit bad, the clearance between observation glass and the switch door has still been reduced by a wide margin, and then can prevent effectively that external dust and impurity from getting into the transformer machine incasement, through setting up the gyro wheel of observing glass upper portion and lower part reduced the frictional force of observing between glass and the switch door, not only make the motion of observing glass more smooth, still avoided the production of friction piece, exocoel wall is favorable to observing glass's quick installation dismantlement with switch door swing joint's structure, high durability and convenient use.

Drawings

Fig. 1 is a schematic structural diagram of a transformer lightning protection current-guiding assembly.

Fig. 2 is a schematic structural diagram of a dehumidifying device in a transformer lightning protection current guiding assembly.

Fig. 3 is a schematic structural view of observation glass in the transformer lightning protection current-guiding assembly.

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, in an embodiment of the present invention, a transformer lightning protection drainage assembly includes a transformer case 1, a rain roof 3 is disposed on an upper side of the transformer case 1, a bottom surface of the rain roof 3 is larger than a top surface of the transformer case, the rain roof is in the shape of a rectangular pyramid, a sleeve 4 is disposed at a center inside the transformer case 1, the sleeve 4 extends to a top end of the rain roof, a lightning rod 5 is sleeved inside the sleeve 4, a tip of the lightning rod 5 is higher than a top end of the sleeve 4, a bottom end of the lightning rod 5 extends to an outer side of a bottom of the transformer case 1, a bottom end of the lightning rod 5 is provided with a galvanized flat steel 6 through a ceramic support and a screw, one end of the galvanized flat steel 6 is connected with a lightning protection ground net 7, support legs 8 are disposed around the bottom of the transformer case 1, and the transformer case 1 is provided with the rain roof for effectively preventing rain, the service life of the transformer case is prolonged, during lightning strike, the needle point of the lightning rod gathers a large amount of charges and transmits the charges to the lightning protection ground net through the galvanized flat steel, so that the charges on the cloud layer are guided into the ground, the transformer is not dangerous, the lightning protection effect is good, and the safety is improved; the right side of the transformer case 1 is embedded with a dehumidifying device 13, the dehumidifying device 13 comprises a cold surface 131, a semiconductor refrigeration sheet 132, a hot surface 133, a heat-conducting silicone grease 134, a heat sink 135 and a moisture-conducting fiber cotton yarn 136, the semiconductor refrigeration sheet 132 is embedded on the right side wall of the transformer case 1, the cold surface 131 is arranged on the right side inner wall of the transformer case 1, the hot surface 133 is arranged on the right side outer wall of the transformer case 1, the hot surface 133 is connected with one side of the heat sink 135 through the heat-conducting silicone grease 134, the heat-conducting silicone grease 134 plays a role in improving heat-conducting effect, wherein the cold surface 131 and the hot surface 133 of the semiconductor sheet 132 are both common planar structures, the heat sink 135 adopts common metal sheets, the heat sink 135 plays a role in improving heat-conducting efficiency, so as to improve heat-radiating effect, the other side of the heat sink 135 is connected with the cold surface 131 through the moisture-conducting, because the semiconductor refrigeration piece 132 continuously works, the inner wall of the transformer case 1 can be caused to present a local low temperature, moisture in the equipment can be condensed into water in the low temperature area inevitably, then the water is conducted to the outside through the moisture-conducting fiber cotton yarn 136, the hot surface 133 of the semiconductor refrigeration piece 132 is connected with the radiating fin 135, air flows in a groove piece of the radiating fin 135, the moisture transferred by the moisture-conducting fiber cotton yarn 136 can be heated and volatilized while the heat is radiated, and finally the moisture in the air in the equipment is transmitted to the outside of the equipment, so that the efficient dehumidification is realized, the drying environment in the transformer case 1 is ensured, and the service life of the equipment in the transformer case 1 is further prolonged; the transformer cabinet comprises a transformer cabinet 1, a switch door 2 is arranged on the front side of the transformer cabinet 1, the switch door 2 is connected with the transformer cabinet 1 through a hinge, a containing cavity 17 is arranged on the switch door 2, an observation window 18 is arranged in the containing cavity 17 area on the switch door 2, observation glass 19 used for opening or closing the observation window 18 is movably arranged in the containing cavity 17, a handle 20 used for controlling the observation glass 19 is arranged on the observation glass 19, clamping pieces 22 are fixedly connected to the upper part and the lower part of the observation glass 20, each clamping piece 22 is of a U-shaped structure, a plurality of idler wheels 21 are further connected to each clamping piece 22, the observation glass 19 is movably connected into the containing cavity 17 through idler wheels 21 arranged on the upper part and the lower part of each clamping piece, the containing cavity 17 comprises an inner cavity wall and an independent outer cavity wall which are integrally formed with the switch door 2, and the lower part of each outer, upper portion hasp is on switch door 1, it is accomodating the intracavity to observe the glass activity setting, just can realize observing glass's quick travel through the handle, be favorable to opening fast or closing the observation window, because it is located and accomodates the intracavity to observe glass, not only be difficult to hit bad, the clearance between observation glass and the switch door has still been reduced by a wide margin, and then can effectively prevent external dust and impurity entering transformer machine incasement, the gyro wheel through setting up observing glass upper portion and lower part has reduced the frictional force between observation glass and the switch door, not only make the motion of observing glass more smooth, the production of friction piece has still been avoided, exocoel wall and switch door swing joint's structure is favorable to observing glass's quick installation dismantlement, high durability and convenient use. The utility model discloses transformer lightning protection drainage subassembly can carry out effectual protection to the transformer, can effectively prevent lightning, has improved the security, can prevent rain and sun, can dehumidify quick-witted incasement portion, and it is effectual to dehumidify, has guaranteed the normal work of transformer, is convenient for observe transformer machine incasement portion, has reduced the clearance between observation glass and the cabinet door in addition, can effectively prevent external dust and impurity entering transformer machine incasement.

The semiconductor refrigeration pieces 132 are connected in parallel and connected with a 12V direct current power supply.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A lightning protection drainage component of a transformer comprises a transformer case and is characterized in that a rain-proof top is arranged on the upper side of the transformer case, the bottom surface of the rain-proof top is larger than the top surface of the transformer case, a sleeve is arranged at the center inside the transformer case and extends to the top end of the rain-proof top, a lightning rod is sleeved inside the sleeve, the needle point of the lightning rod is higher than the top end of the sleeve, the bottom end of the lightning rod extends to the outer side of the bottom of the transformer case, galvanized flat steel is arranged at the bottom end of the lightning rod through a ceramic support and screws, a lightning protection ground net is connected with one end of the galvanized flat steel, supporting legs are arranged around the bottom of the transformer case, a dehumidification device is embedded in the right side of the transformer case and comprises a cold surface, a semiconductor refrigeration piece, a hot surface, heat conduction silicone grease, a radiating fin and moisture conduction fiber cotton yarn, the semiconductor refrigeration piece is, the cold side is arranged on the inner wall of the right side of the transformer case, the hot side is arranged on the outer wall of the right side of the transformer case, the hot side is connected with one side of the radiating fin through heat-conducting silicone grease, the other side of the radiating fin is connected with the cold side through moisture-conducting fiber cotton yarn, a switch door is arranged on the front side of the transformer case, a containing cavity is formed in the switch door, an observation window is formed in the containing cavity area on the switch door, observation glass used for opening or closing the observation window is movably arranged in the containing cavity, a handle used for controlling the observation glass is arranged on the observation glass, clamping pieces are fixedly connected to the upper portion and the lower portion of the observation glass, a plurality of rollers are further connected to the clamping pieces, the observation glass is movably connected into the containing cavity through rollers arranged on the upper portion and the lower portion of the observation glass, and.

2. The transformer lightning protection drainage assembly of claim 1, wherein the rain roof is in the shape of a rectangular pyramid.

3. The transformer lightning protection drainage assembly according to claim 1, wherein the switch door is connected to the transformer case by a hinge.

4. The transformer lightning protection drainage assembly according to claim 1, wherein the clip is of a U-shaped configuration.

5. The transformer lightning protection drainage assembly according to claim 1, wherein the lower portion of the outer cavity wall is movably connected to the switch door through a hinge, and the upper portion of the outer cavity wall is buckled on the switch door.