CN115020090B - Lightning protection device of transformer - Google Patents

Lightning protection device of transformer Download PDF

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Publication number
CN115020090B
CN115020090B CN202210740905.7A CN202210740905A CN115020090B CN 115020090 B CN115020090 B CN 115020090B CN 202210740905 A CN202210740905 A CN 202210740905A CN 115020090 B CN115020090 B CN 115020090B
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CN
China
Prior art keywords
fixedly connected
transformer
supporting
water storage
storage tank
Prior art date
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Active
Application number
CN202210740905.7A
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Chinese (zh)
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CN115020090A (en
Inventor
朱海洋
荣成
黄激
张勇
李夏亮
徐祎文
聂桂林
龙敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Anhui Electric Power Co Ltd Anqing Power Supply Co
Wangjiangi Power Supply Co of State Grid Anhui Electric Power Co Ltd
Original Assignee
State Grid Anhui Electric Power Co Ltd Anqing Power Supply Co
Wangjiangi Power Supply Co of State Grid Anhui Electric Power Co Ltd
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Publication date
Application filed by State Grid Anhui Electric Power Co Ltd Anqing Power Supply Co, Wangjiangi Power Supply Co of State Grid Anhui Electric Power Co Ltd filed Critical State Grid Anhui Electric Power Co Ltd Anqing Power Supply Co
Priority to CN202210740905.7A priority Critical patent/CN115020090B/en
Publication of CN115020090A publication Critical patent/CN115020090A/en
Application granted granted Critical
Publication of CN115020090B publication Critical patent/CN115020090B/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • H01F27/402Association of measuring or protective means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/02Casings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/10Liquid cooling
    • H01F27/16Water cooling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T19/00Devices providing for corona discharge
    • H01T19/04Devices providing for corona discharge having pointed electrodes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting

Abstract

The invention discloses a lightning protection device of a transformer, which specifically comprises: the positioning plate is provided with a rectangular structure and an insulating block arranged at the bottom of the positioning plate, the top of the insulating block is fixedly connected with the bottom of the positioning plate, and the bottom of the insulating block is fixedly connected with a transformer shell; the invention relates to the technical field of transformers, in particular to a water storage tank, which is provided with a triangular structure and a supporting device arranged in the water storage tank, wherein the top of the supporting device penetrates through the water storage tank and is fixedly connected with a lightning arrester, a water storage hole is formed in the side surface of the top of the water storage tank, and the bottom of the water storage tank is fixedly connected with the top of a positioning plate. This lightning protection device of transformer conveniently avoids charge formation lightning in the cloud layer to hit the transformer to can avoid the electric current of lightning to cause the influence to transformer and power supply line when the unexpected hit of lightning, the security is better, can avoid the wind to blow and drive lightning arrester to rock, stability is better.

Description

Lightning protection device of transformer
Technical Field
The invention relates to the technical field of transformers, in particular to a lightning protection device of a transformer.
Background
The transformer is a static electric device for converting alternating voltage and current to transmit alternating current electric energy, and realizes electric energy transmission according to the principle of electromagnetic induction, and the transformer can be divided into a power transformer, a test transformer, an instrument transformer and a transformer with special purposes in terms of the purposes: the power transformer is necessary equipment for power transmission and distribution and power distribution of power users; a device for performing a withstand voltage (boost) test on the electrical device by the test transformer; the transformer for the instrument is used for electrical measurement and relay protection (PT, CT) of a power distribution system; the transformers for special use include electric furnace transformers for smelting, electric welding transformers, rectifier transformers for electrolysis, small-sized voltage regulating transformers, etc. The transformer lightning protection that uses at present is when the thunder and lightning hits the transformer generally, will be conducted the thunder and lightning to ground through earthing device promptly, but when the load of equipment is too big, burns the transformer easily, has the potential safety hazard to the thunderbolt can lead to the transformer to rock, causes the connecting piece not hard up.
Disclosure of Invention
In order to achieve the above purpose, the invention is realized by the following technical scheme: a lightning protection device of a transformer specifically comprises:
the positioning plate is provided with a rectangular structure and an insulating block arranged at the bottom of the positioning plate, the top of the insulating block is fixedly connected with the bottom of the positioning plate, and the bottom of the insulating block is fixedly connected with a transformer shell;
the water storage tank is provided with a triangular structure and a supporting device arranged in the water storage tank, the top of the supporting device penetrates through the water storage tank and is fixedly connected with a lightning arrester, a water storage hole is formed in the side face of the top of the water storage tank, and the bottom of the water storage tank is fixedly connected with the top of the positioning plate;
the lightning protection device comprises:
the support seat is provided with a support seat body and a base arranged at the top of the support seat, the top of the base is fixedly connected with an insulating sleeve, the top of the insulating sleeve is fixedly connected with a lightning rod, the inner wall of the insulating sleeve is fixedly connected with a conductive column, the top of the conductive column is electrically connected with the lightning rod, the bottom of the conductive column is electrically connected with the base, and the base is grounded;
the fixing seat is provided with an electric connection structure and a lightning arrester arranged at the top of the fixing seat, the bottom of the lightning arrester is electrically connected with the fixing seat, the bottom of the fixing seat is fixedly connected with the top of the supporting seat,
the lightning protection device is provided with a lightning protection device, when charged cloud layers are gathered above the transformer, capacitance is formed between the charged cloud layers and lightning rods inside the lightning protection device, when more charges are in the charged cloud layers, air between the charged cloud layers and the lightning rods is broken down into conductors, the charges in the cloud layers can be transferred onto conductive columns through the lightning rods, the charges are transferred onto the ground through the conductive columns and the bases, the charges in the cloud layers are prevented from forming lightning to hit the transformer conveniently, the lightning rods and the lightning arrester are provided, when the lightning rods cannot completely pour the charges in the cloud layers into the ground, or lightning is struck on the transformer in unexpected situations, the lightning current can be quickly led into the ground through the lightning arrester, the influence of the lightning current on the transformer and a power supply line is avoided, and the safety is good.
Preferably, the bottom of the supporting seat is fixedly connected with the top of the supporting device, and the lightning arresters are provided with two groups and are respectively distributed at the parts of the top of the supporting seat, which are positioned at the two sides of the lightning rod.
Preferably, the supporting seat is made of an insulating material, and the base is fixed at the center of the top of the supporting seat.
Preferably, the supporting device comprises a supporting table, supporting table bottom fixedly connected with deflector, deflector bottom fixedly connected with positioning table, positioning table bottom fixedly connected with supporting spring is provided with strutting arrangement, support lightning arrester through strutting arrangement during the use, the vibrations that produce when lightning arrester receives the thunderbolt are transmitted to the supporting table on, the supporting table passes through the deflector with vibrations and transmits to the positioning table, the positioning table produces and rocks and absorbs the realization shock attenuation through supporting spring and shock pad, avoid the vibrations that the thunderbolt produced to transmit to on the transformer, conveniently keep voltage's stability, and the positioning table sets up to the triangle form with water storage tank looks adaptation, it extrudees the positioning table on water storage tank inner wall to be difficult for the spring through it, can avoid the blow to drive lightning arrester to rock, stability is better.
Preferably, the locating table is arranged in a triangle shape matched with the water storage tank, the locating table is arranged in the water storage tank, and a shock pad is fixedly connected to the side surface of the top of the locating table.
Preferably, the top of the supporting table is fixedly connected with the bottom of the supporting seat, and the bottom of the supporting spring is fixedly connected with the bottom of the inner wall of the water storage tank.
Preferably, the apopore has been seted up to the water storage tank bottom, apopore inner wall sliding connection has the end cap, end cap bottom fixedly connected with ejector pin, ejector pin bottom fixedly connected with supports the roof, it is provided with sliding sleeve to support the roof below, sliding sleeve inner wall sliding connection has the support piston, the support piston top extends to the sliding sleeve outside and with support roof bottom fixedly connected with, sliding sleeve side fixedly connected with conducting strip is provided with the water storage tank, and the rainwater gets into the water storage tank inside through the water storage hole when raining, and the water storage hole sets up the slope side at the water storage tank, can avoid branch and leaf to drop and produce the jam, and when the temperature of transformer is higher, the accessible apopore discharges the inside water of storage tank, conveniently helps the transformer dispel the heat, improves the radiating effect of transformer, need not additionally to add heat dissipation actuating device, makes the transformer can keep working under the temperature of relatively stable.
Preferably, the part of the sliding sleeve, which is positioned below the supporting piston, is filled with a thermal expansion medium, and the bottom of the sliding sleeve is fixedly connected with the transformer shell.
Preferably, the conducting strip is provided with multiunit and evenly distributed in slip sleeve side, conducting strip bottom and transformer shell fixed connection, conducting strip one side runs through the slip sleeve and extends to inside the slip sleeve, be provided with slip sleeve and support piston, when the temperature of transformer shell risees, heat passes through the conducting strip and transmits inside the slip sleeve, the inside thermal expansion medium thermal expansion of slip sleeve promotes the support piston and reciprocates, the support piston drives the support roof and reciprocates, the support roof passes through the ejector pin and drives the end cap and reciprocate, when the temperature of transformer shell reaches certain degree, the end cap is deviate from inside the apopore, water inside the water storage tank can be discharged through the apopore, the water inside the rethread water storage tank cools down when the transformer temperature reaches higher degree, can avoid the burning accident that the transformer abnormally heaied up leads to.
The invention provides a lightning protection device of a transformer. The beneficial effects are as follows:
1. this lightning protection device of transformer is provided with lightning arrester, when the transformer top gathers there is electrified cloud cover, form electric capacity between electrified cloud cover and the inside lightning rod of lightning arrester, when the electric charge in electrified cloud cover is more, the air between electrified cloud cover and the lightning rod is broken down into the conductor, the electric charge in the cloud cover can pass through the lightning rod and transmit to the conducting post on, and pass through conducting post and base with the electric charge transmission to ground, conveniently avoid electric charge in the cloud cover to form the lightning to hit the transformer, and be provided with lightning rod and arrester, when the lightning rod can't pour the electric charge in the cloud cover into ground completely, or when suffering the thunderbolt on the transformer under the unexpected circumstances, the accessible arrester is with the electric current of lightning leading into the earth rapidly, avoid the electric current of lightning to cause the influence to transformer and power supply line, the security is better.
2. This lightning protection device of transformer is provided with strutting arrangement, support lightning arrester through strutting arrangement during the use, the vibrations that produce when lightning arrester receives the thunderbolt transmit to the brace table, the brace table passes through the deflector with vibrations and transmits to the locating bench, the locating bench produces to rock and absorbs through supporting spring and shock pad and realize the shock attenuation, the vibrations that avoid the thunderbolt to produce transmit to the transformer on, the stability of conveniently keeping voltage, and the locating bench sets up to the triangular form with the water storage tank looks adaptation, it is difficult to cross the spring with the locating bench extrusion on the water storage tank inner wall to plan through it, can avoid the blow to drive lightning arrester to rock, stability is better.
3. This lightning protection device of transformer is provided with the water storage tank, and the rainwater passes through the water storage hole and gets into inside the water storage tank when raining, and the water storage hole sets up in the slope side of water storage tank, can avoid branch and leaf to drop and produce the jam, and when the temperature of transformer is higher, the accessible apopore is discharged the water of the inside storage of water storage tank, conveniently helps the transformer dispel the heat, improves the radiating effect of transformer, need not additionally to add heat dissipation actuating device, makes the transformer can keep working under the temperature of relatively stable.
4. This lightning protection device of transformer is provided with sliding sleeve and support piston, when the temperature of transformer shell risees, heat passes through the conducting strip and transmits to inside the sliding sleeve, the inside thermal expansion medium of sliding sleeve is heated the expansion and is promoted and support piston upwards moves, support piston drives and supports the roof and upwards moves, it drives the end cap upwards to move through the ejector pin to support the roof, when the temperature of transformer shell reaches certain degree, the end cap is deviate from the apopore inside, the inside water of water storage tank can be discharged through the apopore, the convenience is cooled down at the inside water of rethread water storage tank when the transformer temperature reaches higher degree, can avoid the abnormal heating-up accident that leads to of transformer.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic view of the lightning arrester structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the insulating sleeve according to the present invention;
FIG. 4 is a schematic view of the connection structure of the supporting device of the present invention;
FIG. 5 is a schematic view showing the internal structure of the supporting device of the present invention;
FIG. 6 is a schematic view of a drain structure of a water reservoir according to the present invention.
In the figure: 1. a positioning plate; 2. an insulating block; 3. a transformer housing; 4. a water storage tank; 41. a water outlet hole; 42. a plug; 43. a push rod; 44. a supporting top plate; 45. a sliding sleeve; 46. a support piston; 47. a heat conductive sheet; 5. a support device; 51. a support table; 52. a guide plate; 53. a positioning table; 54. a support spring; 55. a shock pad; 6. a lightning arrester; 61. a support base; 62. a base; 63. an insulating sleeve; 64. a lightning rod; 65. a conductive post; 66. a fixing seat; 67. a lightning arrester; 7. and a water storage hole.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Referring to fig. 1-3, the present invention provides a technical solution: a lightning protection device of a transformer specifically comprises:
the positioning plate 1 is provided with a rectangular structure, and an insulating block 2 is arranged at the bottom of the positioning plate 1, the top of the insulating block 2 is fixedly connected with the bottom of the positioning plate 1, and the bottom of the insulating block 2 is fixedly connected with a transformer shell 3;
the water storage tank 4 is provided with a triangular structure, and a supporting device 5 is arranged in the water storage tank 4, the top of the supporting device 5 penetrates through the water storage tank 4 and is fixedly connected with a lightning arrester 6, a water storage hole 7 is formed in the side surface of the top of the water storage tank 4, and the bottom of the water storage tank 4 is fixedly connected with the top of the positioning plate 1;
the lightning protection device 6 includes:
the supporting seat 61, the supporting seat 61 has supporting seat body, and set up the base 62 at the top of supporting seat 61, the top fixedly connected with insulating sleeve 63 of base 62, the top fixedly connected with lightning rod 64 of insulating sleeve 63, the inner wall fixedly connected with conductive post 65 of insulating sleeve 63, the top of conductive post 65 is electrically connected with lightning rod 64, the bottom of conductive post 65 is electrically connected with base 62, the base 62 is grounded;
the fixing base 66 is provided with an electrical connection structure, the lightning arrester 67 is arranged at the top of the fixing base 66, the bottom of the lightning arrester 67 is electrically connected with the fixing base 66, and the bottom of the fixing base 66 is fixedly connected with the top of the supporting base 61.
The bottom of the supporting seat 61 is fixedly connected with the top of the supporting device 5, and the lightning arresters 67 are provided with two groups and are respectively distributed at the parts of the top of the supporting seat 61, which are positioned at the two sides of the lightning rod 64.
The supporting seat 61 is made of insulating materials, and the base 62 is fixed at the center of the top of the supporting seat 61.
Be provided with lightning arrester 6, when the transformer top gathers there is electrified cloud layer, form electric capacity between electrified cloud layer and the inside lightning rod 64 of lightning arrester 6, when the electric charge in electrified cloud layer is great, air between electrified cloud layer and the lightning rod 64 is broken down into the conductor, electric charge in the cloud layer can pass through lightning rod 64 and transmit to on the conducting post 65, and pass through conducting post 65 and base 62 with electric charge transmission to ground, conveniently avoid electric charge in the cloud layer to form the lightning to hit the transformer, and be provided with lightning rod 64 and arrester 67, when the electric charge in the cloud layer can't be poured into ground completely by lightning rod 64, or when suffering the thunderbolt on the transformer under the unexpected circumstances, the accessible arrester 67 is with the electric current rapid-guiding earth of lightning, the electric current that avoids the lightning causes the influence to transformer and power supply line, the security is better.
Examples
Referring to fig. 1-5, the present invention provides a technical solution based on the first embodiment: the supporting device 5 comprises a supporting table 51, a guide plate 52 is fixedly connected to the bottom of the supporting table 51, a positioning table 53 is fixedly connected to the bottom of the guide plate 52, a supporting spring 54 is fixedly connected to the bottom of the positioning table 53, the positioning table 53 is arranged to be in a triangular shape matched with the water storage tank 4, the positioning table 53 is arranged inside the water storage tank 4, a shock pad 55 is fixedly connected to the side face of the top of the positioning table 53, the top of the supporting table 51 is fixedly connected to the bottom of the supporting seat 61, the bottom of the supporting spring 54 is fixedly connected to the bottom of the inner wall of the water storage tank 4, the supporting device 5 is arranged, during use, the lightning arrester 6 is supported through the supporting device 5, vibration generated when the lightning arrester 6 receives a lightning stroke is transmitted to the supporting table 51, the supporting table 51 transmits the vibration to the positioning table 53 through the guide plate 52, the positioning table 53 shakes and absorbs through the supporting spring 54 and the shock pad 55, the generated vibration is prevented from being transmitted to a transformer, the stability of the voltage is conveniently kept, the positioning table 53 is arranged to be in a triangular shape matched with the water storage tank 4, the lightning arrester 6 is well pressed on the inner wall of the water storage tank 4 through the spring 54, and the lightning arrester 6 can be driven to have better stability when the lightning arrester is blown by the lightning arrester.
Examples
Referring to fig. 1-6, the present invention provides a technical solution based on the first embodiment and the second embodiment: the bottom of the water storage tank 4 is provided with a water outlet hole 41, the inner wall of the water outlet hole 41 is connected with a plug 42 in a sliding way, the bottom of the plug 42 is fixedly connected with a push rod 43, the bottom of the push rod 43 is fixedly connected with a supporting top plate 44, a sliding sleeve 45 is arranged below the supporting top plate 44, the inner wall of the sliding sleeve 45 is connected with a supporting piston 46 in a sliding way, the top of the supporting piston 46 extends to the outside of the sliding sleeve 45 and is fixedly connected with the bottom of the supporting top plate 44, the side surface of the sliding sleeve 45 is fixedly connected with a heat conducting sheet 47, the part of the sliding sleeve 45 positioned below the supporting piston 46 is filled with a thermal expansion medium, the bottom of the sliding sleeve 45 is fixedly connected with the transformer housing 3, the heat conducting sheet 47 is provided with a plurality of groups and is uniformly distributed on the side surface of the sliding sleeve 45, the bottom of the heat conducting sheet 47 is fixedly connected with the transformer housing 3, one side of the heat conducting sheet 47 penetrates the sliding sleeve 45 and extends to the inside the sliding sleeve 45, is provided with the water storage tank 4, rainwater enters the water storage tank 4 through the water storage hole 7 in rainy days, the water storage hole 7 is arranged on the inclined side surface of the water storage tank 4, blockage caused by falling of branches and leaves can be avoided, when the temperature of the transformer is higher, water stored in the water storage tank 4 can be discharged through the water outlet 41, the transformer can be conveniently assisted in radiating, the radiating effect of the transformer is improved, no additional radiating driving equipment is required to be added, the transformer can be kept to work at relatively stable temperature, a sliding sleeve 45 and a supporting piston 46 are arranged, when the temperature of the transformer shell 3 rises, heat is transferred into the sliding sleeve 45 through the heat conducting sheet 47, a thermal expansion medium in the sliding sleeve 45 is heated and expanded to push the supporting piston 46 to move upwards, the supporting piston 46 drives a supporting top plate 44 to move upwards, the supporting top plate 44 drives a plug 42 to move upwards through a mandril 43, when the temperature of the transformer housing 3 reaches a certain degree, the plug 42 is separated from the inside of the water outlet hole 41, water in the water storage tank 4 can be discharged through the water outlet hole 41, so that the temperature of the transformer can be conveniently reduced through the water in the water storage tank 4 when the temperature of the transformer reaches a higher degree, and the burning accident caused by abnormal temperature rise of the transformer can be avoided.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims (6)

1. A lightning protection device of a transformer specifically comprises:
the positioning plate (1), the positioning plate (1) is provided with a rectangular structure and an insulating block (2) arranged at the bottom of the positioning plate (1), the top of the insulating block (2) is fixedly connected with the bottom of the positioning plate (1), and the bottom of the insulating block (2) is fixedly connected with a transformer shell (3);
the water storage tank (4) is provided with a triangular structure and a supporting device (5) arranged in the water storage tank (4), the top of the supporting device (5) penetrates through the water storage tank (4) and is fixedly connected with a lightning arrester (6), a water storage hole (7) is formed in the side surface of the top of the water storage tank (4), and the bottom of the water storage tank (4) is fixedly connected with the top of the positioning plate (1);
the lightning protection device of the transformer is characterized in that: the lightning protection device (6) comprises:
the lightning protection device comprises a supporting seat (61), wherein the supporting seat (61) is provided with a supporting seat body and a base (62) arranged at the top of the supporting seat (61), an insulating sleeve (63) is fixedly connected to the top of the base (62), a lightning rod (64) is fixedly connected to the top of the insulating sleeve (63), a conductive column (65) is fixedly connected to the inner wall of the insulating sleeve (63), the top of the conductive column (65) is electrically connected with the lightning rod (64), the bottom of the conductive column (65) is electrically connected with the base (62), and the base (62) is grounded;
the lightning arrester (67) is arranged at the top of the fixed seat (66), the bottom of the lightning arrester (67) is electrically connected with the fixed seat (66), and the bottom of the fixed seat (66) is fixedly connected with the top of the supporting seat (61);
the water storage tank is characterized in that a water outlet hole (41) is formed in the bottom of the water storage tank (4), a plug (42) is slidably connected to the inner wall of the water outlet hole (41), a push rod (43) is fixedly connected to the bottom of the plug (42), a supporting top plate (44) is fixedly connected to the bottom of the push rod (43), a sliding sleeve (45) is arranged below the supporting top plate (44), a supporting piston (46) is slidably connected to the inner wall of the sliding sleeve (45), and the top of the supporting piston (46) extends to the outside of the sliding sleeve (45) and is fixedly connected with the bottom of the supporting top plate (44), and a heat conducting fin (47) is fixedly connected to the side face of the sliding sleeve (45);
the part, located below the supporting piston (46), of the sliding sleeve (45) is filled with a thermal expansion medium, and the bottom of the sliding sleeve (45) is fixedly connected with the transformer shell (3);
the heat conducting fins (47) are arranged on a plurality of groups and uniformly distributed on the side face of the sliding sleeve (45), the bottoms of the heat conducting fins (47) are fixedly connected with the transformer shell (3), and one side of each heat conducting fin (47) penetrates through the sliding sleeve (45) and extends into the sliding sleeve (45).
2. The lightning protection device for a transformer of claim 1, wherein: the bottom of the supporting seat (61) is fixedly connected with the top of the supporting device (5), and the lightning arresters (67) are provided with two groups and are respectively distributed at the parts, located at the two sides of the lightning rod (64), of the top of the supporting seat (61).
3. The lightning protection device for a transformer of claim 1, wherein: the supporting seat (61) is made of insulating materials, and the base (62) is fixed at the center of the top of the supporting seat (61).
4. The lightning protection device for a transformer of claim 1, wherein: the supporting device (5) comprises a supporting table (51), a guide plate (52) is fixedly connected to the bottom of the supporting table (51), a positioning table (53) is fixedly connected to the bottom of the guide plate (52), and a supporting spring (54) is fixedly connected to the bottom of the positioning table (53).
5. The lightning protection device for a transformer of claim 4, wherein: the positioning table (53) is arranged in a triangular shape matched with the water storage tank (4), the positioning table (53) is arranged inside the water storage tank (4), and a shock pad (55) is fixedly connected to the side face of the top of the positioning table (53).
6. The lightning protection device for a transformer of claim 4, wherein: the top of the supporting table (51) is fixedly connected with the bottom of the supporting seat (61), and the bottom of the supporting spring (54) is fixedly connected with the bottom of the inner wall of the water storage tank (4).
CN202210740905.7A 2022-06-28 2022-06-28 Lightning protection device of transformer Active CN115020090B (en)

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Application Number Priority Date Filing Date Title
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CN115020090B true CN115020090B (en) 2023-09-08

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Publication number Priority date Publication date Assignee Title
CN116826556A (en) * 2023-07-03 2023-09-29 江苏乐聪电气设备集团有限责任公司 High-insulation transformer matched with power switch cabinet device

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CN110350467A (en) * 2019-08-02 2019-10-18 江苏健雄电气安装工程有限公司 A kind of outdoor use has the transformer of lightning protection function
CN210111447U (en) * 2019-08-27 2020-02-21 青岛精艺电力设备有限公司 All-weather box-type substation
CN212649067U (en) * 2020-08-17 2021-03-02 国网安徽省电力有限公司滁州供电公司 Transformer substation's secondary lightning protection device
KR102237901B1 (en) * 2020-08-31 2021-04-08 대한전기감리(주) High tension substation with improved aseismic capacity
CN112382480A (en) * 2020-09-29 2021-02-19 国网河南省电力公司睢县供电公司 Lightning arrester of power transformer
CN213401995U (en) * 2020-11-02 2021-06-08 常熟市诺晖精密五金机械设备有限公司 Outdoor power distribution cabinet
CN214413216U (en) * 2021-02-01 2021-10-15 山东亿玛信诺电气有限公司 Intelligent magnetic leakage anti-saturation transformer
CN216528285U (en) * 2021-10-08 2022-05-13 高爱萍 Outdoor power transformer protection device

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