CN110767418A - Distribution transformer with lightning-arrest function of ground connection formula - Google Patents

Distribution transformer with lightning-arrest function of ground connection formula Download PDF

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Publication number
CN110767418A
CN110767418A CN201911027494.1A CN201911027494A CN110767418A CN 110767418 A CN110767418 A CN 110767418A CN 201911027494 A CN201911027494 A CN 201911027494A CN 110767418 A CN110767418 A CN 110767418A
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CN
China
Prior art keywords
shell
distribution transformer
water storage
fixedly connected
storage tank
Prior art date
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Pending
Application number
CN201911027494.1A
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Chinese (zh)
Inventor
龙捷峰
沈宝春
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.)
Jiangsu Longchuang Electric Co Ltd
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Jiangsu Longchuang Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Longchuang Electric Co Ltd filed Critical Jiangsu Longchuang Electric Co Ltd
Priority to CN201911027494.1A priority Critical patent/CN110767418A/en
Publication of CN110767418A publication Critical patent/CN110767418A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26Drying gases or vapours
    • 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
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/22Cooling by heat conduction through solid or powdered fillings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/34Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention discloses a distribution transformer with a grounding lightning protection function, which comprises a main shell, a sealing door, a fixing plate, a connecting cylinder, a reel, a rotating rod, a top plate, a threaded column, a lightning rod body, a guide line, a grounding block, an exhaust tube, a water storage tank, an exhaust pump, a connecting shell, a semiconductor refrigeration sheet, a radiating fin, a cold guide sheet, a drain pipe, an air injection pipe, an exhaust shell, a sponge block, a drying shell, a through hole and a drying agent particle layer. This kind of distribution transformer with lightning-arrest function of ground connection formula simple structure, the modern design, improve distribution transformer's lightning protection effect, be convenient for simultaneously according to distribution transformer's the length of placing altitude mixture control guide line, satisfy user's demand, when using, under the effect through the heat dissipation mechanism that sets up, be convenient for cool down the water in the water storage box, be convenient for cool down the gas that gets into through water simultaneously, the guarantee reduces distribution transformer inner space temperature stability, the operation of being convenient for.

Description

Distribution transformer with lightning-arrest function of ground connection formula
Technical Field
The invention relates to a distribution transformer, in particular to a distribution transformer with a grounding lightning protection function, and belongs to the technical field of distribution transformer application.
Background
Distribution transformers, referred to as "distribution transformers", are static electrical appliances that transform ac voltage and current to transmit ac power in an electrical distribution system according to the law of electromagnetic induction. In some areas, power transformers of 35 KV or less (mostly 10KV or less) are called "distribution transformers", and are simply referred to as "distribution transformers". The place and place for installing the distribution transformer are the transformation substation. The distribution transformer is preferably pole mounted or open-air floor mounted.
A lot of problems exist in the use process of the existing distribution transformer, if lightning protection effects of some existing distribution transformers are not ideal, when the distribution transformer is used, the distribution transformer can be damaged, meanwhile, the dustproof heat dissipation effect of the distribution transformer is not ideal, and the service life of electrical elements in the distribution transformer can be influenced. Therefore, a distribution transformer with a grounding lightning protection function is provided to solve the above problems.
Disclosure of Invention
The present invention is directed to solving the above problems and providing a distribution transformer having a ground lightning protection function.
The invention achieves the above purpose through the following technical scheme, a distribution transformer with a grounding lightning protection function comprises a main shell, a sealing door, a lightning protection mechanism, a heat dissipation mechanism and a drying mechanism; wherein the surface of the front side of the main shell is hinged with a sealing door, and the surface of the top side of the main shell is fixedly connected with a fixing plate; the left side of the main shell is fixedly connected with a water storage tank;
the lightning protection mechanism comprises a fixing plate, a connecting cylinder, a top plate, a lightning rod, a guide wire and a grounding block, and the top side of the fixing plate is fixedly connected to the surface of the top side of the main shell; the top side of the fixed plate is fixedly connected with a connecting cylinder, and a threaded column is connected with the internal thread of the connecting cylinder; the lightning rod body is fixedly connected in the threaded column, and the top end of the threaded column is fixedly connected with the top plate at the top end of the connecting cylinder; the bottom end of the lightning rod body is electrically connected with the guide wire in the connecting cylinder, and the tail end of the guide wire is electrically connected with the grounding block;
the heat dissipation mechanism comprises a water storage tank, a connecting shell, a semiconductor refrigeration piece, a cold guide piece and a heat dissipation piece, and the water storage tank is fixedly connected to the left side surface of the main shell; the left side of the water storage tank is fixedly communicated with a connecting shell, and a semiconductor refrigeration piece is fixedly connected in the connecting shell; the right side surface of the semiconductor refrigeration piece is attached with a cold guide piece fixedly connected in the right end of the connecting shell, and the left side surface of the semiconductor refrigeration piece is attached with a radiating fin fixedly connected at the left end of the connecting shell;
the drying mechanism comprises an exhaust pipe, an exhaust pump, a gas injection pipe, an exhaust pipe and an exhaust shell, and the exhaust pipe is fixedly communicated with the inner cavity of the main shell; the tail end of the air extraction pipe is fixedly communicated with an air extraction pump, and the air extraction pump is fixedly communicated with the inner cavity of the water storage tank through an air injection pipe; an exhaust pipe is fixedly communicated with the top side of the water storage tank, and an exhaust shell is fixedly communicated with the tail end of the exhaust pipe; the tail end of the exhaust pipe is fixedly communicated with the left side of the main shell, and a sponge block is arranged in the exhaust pipe; the right side of the sponge block is attached with a drying shell which is arranged in the connecting shell, and a drying agent particle layer is arranged in the drying shell.
Preferably, the main casing body top side surface is fixedly connected with a rotating rod, the surface of the rotating rod is rotatably connected with a reel, and a guide line is wound on the surface of the reel.
Preferably, the bottom end of the left side of the water storage tank is fixedly communicated with a drain pipe, and the surface of the drain pipe is provided with a drain valve.
Preferably, the bottom end of the lightning rod body penetrates through the bottom end of the threaded column, and the bottom end of the lightning rod body is tightly attached to the guide wire in the connecting cylinder.
Preferably, the end of the gas injection pipe penetrates through the top side of the water storage tank and is connected to the bottom of the inner cavity of the water storage tank.
Preferably, the right side surface of the cold guide piece and the surface of the inner wall of the left side of the water storage tank are on the same vertical plane.
Preferably, a plurality of through holes are formed in the surface of the opposite side of the drying shell, and the through holes are uniformly distributed in the surface of the opposite side of the drying shell.
Preferably, the sponge block is connected with the inner cavity of the exhaust shell in a sliding mode, and the right side of the sponge block is provided with a drying shell connected in the exhaust shell in a sliding mode.
Preferably, the opposite side surface of the right end of the exhaust shell is fixedly connected with a connecting plate, the surface of the connecting plate is in threaded connection with a fixing bolt, and the tail end of the fixing bolt is fixedly connected with the connecting plate.
Preferably, the contact surfaces of the semiconductor refrigeration sheet, the radiating sheet and the cold conducting sheet are tightly attached.
The invention has the beneficial effects that:
1. this kind of distribution transformer with lightning-arrest function of ground connection formula simple structure, modern design improve distribution transformer's lightning protection effect, are convenient for simultaneously according to distribution transformer's the length of placing altitude mixture control guide line, satisfy user's demand, convenient to use.
2. When using, under the effect of the heat dissipation mechanism through setting up, be convenient for cool down the water in the water storage box, be convenient for cool down the gas that gets into through water simultaneously, the guarantee reduces distribution transformer inner space temperature stability, the operation of being convenient for.
3. When using, under the effect of the drying mechanism through setting up, be convenient for carry out the moisture absorption with the gas of cooling, the guarantee gets into distribution transformer's gaseous drying, and guarantee distribution transformer uses steadily, and the practicality value is higher, is fit for using widely.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic overall front sectional structural view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
fig. 4 is a schematic top view of the surface of the connecting cylinder of the present invention.
In the figure: 1. the main casing body, 2, sealing door, 3, the fixed plate, 4, the connecting cylinder, 5, the reel, 6, the dwang, 7, the roof, 8, the screw thread post, 9, the lightning rod body, 10, the guide wire, 11, the grounding piece, 12, the exhaust tube, 13, the water storage box, 14, the aspiration pump, 15, the connecting shell, 16, the semiconductor refrigeration piece, 17, the fin, 18, lead cold piece, 19, the drain pipe, 20, the gas injection pipe, 21, the blast pipe, 22, the exhaust shell, 23, the sponge piece, 24, the dry shell, 2401, the through-hole, 25, the drier grained layer.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1-4, a distribution transformer with a grounding lightning protection function includes a main housing 1, a sealing door 2, a lightning protection mechanism, a heat dissipation mechanism and a drying mechanism; wherein the front surface of the main shell 1 is hinged with a sealing door 2, and the top surface of the main shell 1 is fixedly connected with a fixing plate 3; the left side of the main shell 1 is fixedly connected with a water storage tank 13;
the lightning protection mechanism comprises a fixing plate 3, a connecting cylinder 4, a top plate 7, a lightning rod, a guide wire 10 and a grounding block 11, and the top side of the fixing plate 3 is fixedly connected to the surface of the top side of the main shell 1; the top side of the fixed plate 3 is fixedly connected with a connecting cylinder 4, and a threaded column 8 is connected with the internal thread of the connecting cylinder 4; a lightning rod body 9 is fixedly connected in the threaded column 8, and the top end of the threaded column 8 is fixedly connected with a top plate 7 at the top end of the connecting cylinder 4; the bottom end of the lightning rod body 9 is electrically connected with a guide wire 10 in the connecting cylinder 4, and the tail end of the guide wire 10 is electrically connected with a grounding block 11;
the heat dissipation mechanism comprises a water storage tank 13, a connecting shell 15, a semiconductor refrigeration sheet 16, a cold guide sheet 18 and a heat dissipation sheet 17, and the water storage tank 13 is fixedly connected to the left side surface of the main shell 1; the left side of the water storage tank 13 is fixedly communicated with a connecting shell 15, and a semiconductor refrigeration sheet 16 is fixedly connected in the connecting shell 15; the right side surface of the semiconductor refrigeration piece 16 is attached with a cold guide piece 18 fixedly connected in the right end of the connecting shell 15, and the left side surface of the semiconductor refrigeration piece 16 is attached with a radiating fin 17 fixedly connected at the left end of the connecting shell 15;
the drying mechanism comprises an air extraction pipe 12, an air extraction pump 14, an air injection pipe 20, an air exhaust pipe 21 and an air exhaust shell 22, and the air extraction pipe 12 is fixedly communicated with the inner cavity of the main shell 1; the tail end of the air suction pipe 12 is fixedly communicated with an air suction pump 14, and the air suction pump 14 is fixedly communicated with the inner cavity of the water storage tank 13 through an air injection pipe 20; an exhaust pipe 21 is fixedly communicated with the top side of the water storage tank 13, and an exhaust shell 22 is fixedly communicated with the tail end of the exhaust pipe 21; the tail end of the exhaust pipe 21 is fixedly communicated with the left side of the main shell 1, and a sponge block 23 is arranged in the exhaust pipe 21; a drying shell 24 arranged in the connecting shell 15 is attached to the right side of the sponge block 23, and a drying agent particle layer 25 is arranged in the drying shell 24.
A rotating rod 6 is fixedly connected to the top surface of the main shell 1, a reel 5 is rotatably connected to the surface of the rotating rod 6, and a guide wire 10 is wound on the surface of the reel 5, so that the guide wire 10 can be conveniently wound; a drain pipe 19 is fixedly communicated with the bottom end of the left side of the water storage tank 13, and a drain valve is arranged on the surface of the drain pipe 19 and is convenient for draining; the bottom end of the lightning rod body 9 penetrates through the bottom end of the threaded column 8, and the bottom end of the lightning rod body 9 is tightly attached to the guide line 10 in the connecting cylinder 4, so that the lightning rod is convenient to conduct electricity; the tail end of the gas injection pipe 20 penetrates through the top side of the water storage tank 13 and is connected to the bottom of the inner cavity of the water storage tank 13, so that gas injection is facilitated; the right side surface of the cold guide piece 18 and the left side inner wall surface of the water storage tank 13 are on the same vertical surface, so that the cold guide piece 18 is guaranteed to be placed compactly and is convenient to use; a plurality of through holes 2401 are formed in the opposite side surface of the drying shell 24, and the through holes 2401 are uniformly distributed on the opposite side surface of the drying shell 24, so that ventilation is facilitated; the sponge block 23 is connected with the inner cavity of the exhaust shell 22 in a sliding manner, and the right side of the sponge block 23 is provided with a drying shell 24 connected in the exhaust shell 22 in a sliding manner, so that the gas is dried conveniently; the surface of the opposite side of the right end of the exhaust shell 22 is fixedly connected with a connecting plate, the surface of the connecting plate is in threaded connection with a fixing bolt, and the tail end of the fixing bolt is fixedly connected with the connecting plate, so that the exhaust shell 22 is convenient to fix; the contact surfaces of the semiconductor refrigeration piece 16, the radiating fin 17 and the cold guide piece 18 are tightly attached, and the semiconductor refrigeration piece 16, the radiating fin 17 and the cold guide piece 18 are compactly placed, so that refrigeration is facilitated.
When the distribution transformer is used, electrical elements in the application are externally connected with a power supply and a control switch, after the distribution transformer is installed, a threaded column 8 is in threaded connection with the inner cavity of a connecting cylinder 4, the lightning rod body 9 is ensured to be electrically connected with a connector of a guide line 10, the length of the guide line 10 is adjusted as required, then a grounding block 11 is installed at a proper position on the ground, when the distribution transformer works, an air suction pump 14 is started, the air suction pump 14 sucks gas in the distribution transformer through an air suction pipe 12, then the gas is injected into a water storage tank 13 through an air injection pipe 20 for cooling, meanwhile, water in the water storage tank 13 is cooled through the cooperation of a semiconductor refrigeration sheet 16 and a cooling guide sheet 18, then the gas is discharged into an exhaust shell 22 through an exhaust pipe 21, and is dried through a sponge block 23 and a drying agent particle layer 25, after being dried, the mixture is injected into a distribution transformer for cooling and circulating flow, thereby being convenient for operation.
It is well within the skill of those in the art to implement and protect the present invention from software and process modifications as well as to implement the present invention, both in relation to circuits and electronic components and modules.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. The utility model provides a distribution transformer with lightning-arrest function of ground connection formula which characterized in that: the lightning protection device comprises a main shell (1), a sealing door (2), a lightning protection mechanism, a heat dissipation mechanism and a drying mechanism; the front surface of the main shell (1) is hinged with a sealing door (2), and the top surface of the main shell (1) is fixedly connected with a fixing plate (3); the left side of the main shell (1) is fixedly connected with a water storage tank (13);
the lightning protection mechanism comprises a fixing plate (3), a connecting cylinder (4), a top plate (7), a lightning rod, a guide wire (10) and a grounding block (11), and the top side of the fixing plate (3) is fixedly connected to the surface of the top side of the main shell (1); the top side of the fixed plate (3) is fixedly connected with a connecting cylinder (4), and a threaded column (8) is connected with the internal thread of the connecting cylinder (4); a lightning rod body (9) is fixedly connected in the threaded column (8), and the top end of the threaded column (8) is fixedly connected with a top plate (7) at the top end of the connecting cylinder (4); the bottom end of the lightning rod body (9) is electrically connected with a guide wire (10) in the connecting cylinder (4), and the tail end of the guide wire (10) is electrically connected with a grounding block (11);
the heat dissipation mechanism comprises a water storage tank (13), a connecting shell (15), a semiconductor refrigeration sheet (16), a cold guide sheet (18) and a heat dissipation sheet (17), and the water storage tank (13) is fixedly connected to the left side surface of the main shell (1); a connecting shell (15) is fixedly communicated with the left side of the water storage tank (13), and a semiconductor refrigerating sheet (16) is fixedly connected in the connecting shell (15); a cold guide sheet (18) fixedly connected in the right end of the connecting shell (15) is attached to the right side surface of the semiconductor refrigerating sheet (16), and a radiating fin (17) fixedly connected to the left end of the connecting shell (15) is attached to the left side surface of the semiconductor refrigerating sheet (16);
the drying mechanism comprises an air extraction pipe (12), an air extraction pump (14), an air injection pipe (20), an exhaust pipe (21) and an exhaust shell (22), and the air extraction pipe (12) is fixedly communicated with the inner cavity of the main shell (1); the tail end of the air extraction pipe (12) is fixedly communicated with an air extraction pump (14), and the air extraction pump (14) is fixedly communicated with the inner cavity of the water storage tank (13) through an air injection pipe (20); an exhaust pipe (21) is fixedly communicated with the top side of the water storage tank (13), and an exhaust shell (22) is fixedly communicated with the tail end of the exhaust pipe (21); the tail end of the exhaust pipe (21) is fixedly communicated with the left side of the main shell (1), and a sponge block (23) is arranged in the exhaust pipe (21); the right side of the sponge block (23) is attached with a drying shell (24) arranged in the connecting shell (15), and a drying agent particle layer (25) is arranged in the drying shell (24).
2. A distribution transformer with a grounding lightning protection function according to claim 1, characterized in that: the main casing body (1) top side fixed surface is connected with dwang (6), dwang (6) surperficial rotation is connected with reel (5), and reel (5) surface winding has guide wire (10).
3. A distribution transformer with a grounding lightning protection function according to claim 1, characterized in that: the bottom end of the left side of the water storage tank (13) is fixedly communicated with a drain pipe (19), and the surface of the drain pipe (19) is provided with a drain valve.
4. A distribution transformer with a grounding lightning protection function according to claim 1, characterized in that: the bottom end of the lightning rod body (9) penetrates through the bottom end of the threaded column (8), and the bottom end of the lightning rod body (9) is tightly attached to a guide line (10) in the connecting cylinder (4).
5. A distribution transformer with a grounding lightning protection function according to claim 1, characterized in that: the tail end of the gas injection pipe (20) penetrates through the top side of the water storage tank (13) and is connected to the bottom of the inner cavity of the water storage tank (13).
6. A distribution transformer with a grounding lightning protection function according to claim 1, characterized in that: the right side surface of the cold guide sheet (18) and the left side inner wall surface of the water storage tank (13) are on the same vertical plane.
7. A distribution transformer with a grounding lightning protection function according to claim 1, characterized in that: a plurality of through holes (2401) are formed in the opposite side surface of the drying shell (24), and the through holes (2401) are evenly distributed on the opposite side surface of the drying shell (24).
8. A distribution transformer with a grounding lightning protection function according to claim 1, characterized in that: the sponge block (23) is connected with the inner cavity of the exhaust shell (22) in a sliding manner, and the right side of the sponge block (23) is provided with a drying shell (24) which is connected in the exhaust shell (22) in a sliding manner.
9. A distribution transformer with a grounding lightning protection function according to claim 1, characterized in that: the surface of the opposite side of the right end of the exhaust shell (22) is fixedly connected with a connecting plate, the surface of the connecting plate is in threaded connection with a fixing bolt, and the tail end of the fixing bolt is fixedly connected with the connecting plate.
10. A distribution transformer with a grounding lightning protection function according to claim 1, characterized in that: the contact surfaces of the semiconductor refrigeration sheet (16), the radiating sheet (17) and the cold guide sheet (18) are tightly attached.
CN201911027494.1A 2019-10-28 2019-10-28 Distribution transformer with lightning-arrest function of ground connection formula Pending CN110767418A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911027494.1A CN110767418A (en) 2019-10-28 2019-10-28 Distribution transformer with lightning-arrest function of ground connection formula

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Application Number Priority Date Filing Date Title
CN201911027494.1A CN110767418A (en) 2019-10-28 2019-10-28 Distribution transformer with lightning-arrest function of ground connection formula

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Publication Number Publication Date
CN110767418A true CN110767418A (en) 2020-02-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111564283A (en) * 2020-05-09 2020-08-21 江苏铭安电气有限公司 Heat dissipation type transformer with good protection performance and use method
CN115101289A (en) * 2022-06-20 2022-09-23 江苏天利机电有限公司 Lightning protection transformer with adjust structure

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107170555A (en) * 2017-06-27 2017-09-15 广州市万源能源科技有限公司 A kind of transformer inflation storage dry-run protection system and the transformer including the system
CN206640285U (en) * 2017-04-20 2017-11-14 象山赛柏斯智能科技有限公司 A kind of power equipment lightning arrester
CN207397885U (en) * 2017-11-16 2018-05-22 东莞市港龙电源设备有限公司 A kind of transformer of good heat dissipation effect
CN109979713A (en) * 2019-04-30 2019-07-05 南通市海王电气有限公司 A kind of dust-proof heat-dissipating voltage transformer of lightning protection

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206640285U (en) * 2017-04-20 2017-11-14 象山赛柏斯智能科技有限公司 A kind of power equipment lightning arrester
CN107170555A (en) * 2017-06-27 2017-09-15 广州市万源能源科技有限公司 A kind of transformer inflation storage dry-run protection system and the transformer including the system
CN207397885U (en) * 2017-11-16 2018-05-22 东莞市港龙电源设备有限公司 A kind of transformer of good heat dissipation effect
CN109979713A (en) * 2019-04-30 2019-07-05 南通市海王电气有限公司 A kind of dust-proof heat-dissipating voltage transformer of lightning protection

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111564283A (en) * 2020-05-09 2020-08-21 江苏铭安电气有限公司 Heat dissipation type transformer with good protection performance and use method
CN111564283B (en) * 2020-05-09 2024-05-28 江苏铭安电气有限公司 Heat dissipation type transformer with good protection performance and use method
CN115101289A (en) * 2022-06-20 2022-09-23 江苏天利机电有限公司 Lightning protection transformer with adjust structure

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Application publication date: 20200207