CN106300175B - Wall bushing radiator structure and the switchgear for using the structure - Google Patents
Wall bushing radiator structure and the switchgear for using the structure Download PDFInfo
- Publication number
- CN106300175B CN106300175B CN201610918590.5A CN201610918590A CN106300175B CN 106300175 B CN106300175 B CN 106300175B CN 201610918590 A CN201610918590 A CN 201610918590A CN 106300175 B CN106300175 B CN 106300175B
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- CN
- China
- Prior art keywords
- insulator
- wall
- heat
- flange
- conducting piece
- Prior art date
- Legal status (The legal status 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 status listed.)
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- 239000012212 insulator Substances 0.000 claims abstract description 65
- 239000004020 conductor Substances 0.000 claims abstract description 36
- 230000017525 heat dissipation Effects 0.000 claims abstract description 31
- 238000005266 casting Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 12
- 238000009413 insulation Methods 0.000 abstract description 12
- 238000001816 cooling Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 206010000234 Abortion spontaneous Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 208000015994 miscarriage Diseases 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 208000000995 spontaneous abortion Diseases 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/03—Cooling
Abstract
The present invention relates to the switchgears of wall bushing radiator structure and the use structure, especially Cubicle Gas-Insulated Switchgear and its gas tank bushing radiator structure.Wherein wall bushing radiator structure includes the insulator being fixed on electrical equipment side wall and the center conductor that is threaded through in insulator, heat-conducting piece is equipped between the axial middle part of insulator and electrical equipment side wall, the both ends of heat-conducting piece are thermally connected with insulator and electrical equipment side wall respectively.The heat transfer that conductor can be passed to insulator by heat-conducting piece gives electrical equipment side wall, heat dissipation is realized by electrical equipment side wall, and, insulation between center conductor and heat-conducting piece can be undertaken by insulator, it requires low to insulation performance and is easily achieved, while ensureing heat dissipation effect, it is high to solve the problems, such as that existing radiator structure requires insulation performance, also can be that inside electric appliance concedes more spaces simultaneously so that the structure of electrical equipment is compacter.
Description
Technical field
The present invention relates to the switchgear of wall bushing radiator structure and the use structure, especially gas-insulated metals to seal
Close switchgear and its gas tank bushing radiator structure.
Background technology
Cubicle Gas-Insulated Switchgear has compact, compact dimensions, non-maintaining, highly reliable, sealed insulation
Functional, the features such as not influenced by outside environmental elements, thus obtained in electric power system power distribution and high ferro power distribution station construction
It widely applies.But the primary conductive major loop of Cubicle Gas-Insulated Switchgear is sealed in a closed gas tank, main
Galvanic circle fever is difficult to be dispersed into ambient atmosphere, and when electric current rises to 2500A and higher, eddy-current heating aggravation is conductive
Circuit fever so that switching in-cabinet temperature drastically increases plus eddy-current heating, and then insulating materials aging is made to reduce insulation performance,
Influence switchgear general safety operation, how by high current Cubicle Gas-Insulated Switchgear major loop and whirlpool
The raw heat of miscarriage, which is efficiently dispersed into time in the outer air of gas tank, becomes problem urgently to be resolved hurrily.
A kind of bushing is disclosed in the patent document that Authorization Notice No. is 201514824 U of CN and including this casing
High-tension apparatus, wherein bushing is a kind of wall bushing, and when use is fixed on by flange on electrical equipment side wall, and
And so that insulation crust is passed through flange and be grounded jointly with electrical equipment side wall.Wall bushing includes the hollow insulator as insulator
Shell, the interior conductor for being equipped with power supply stream and passing through of hollow insulator shell, forms center conductor, the bodily form that insulate is stretched out in the end of conductor
At extended end portion, extended end portion is equipped with radiator, and radiator includes being formed by the ontology made by the material with high-termal conductivity
Radiator.In order to enhance heat dissipation effect, corona shield can also be set on the conductor of wall bushing, and corona shield with
Heat conducting pipe is set between radiator and forms thermal connection.Above-mentioned conductor extends through insulator, radiator and corona shield, so hot
Amount can be transmitted to insulator, radiator and corona shield from conductor and be transmitted in ambient enviroment, form wall bushing heat dissipation knot
Structure.
But existing above-mentioned wall bushing radiator structure is only the heat dissipation for enhancing conductor itself, for wall-through set
Pipe both ends are required to for closed electrical equipment, and there is still a need for portion's space divergences further out for heat, and integral heat sink effect is not
It is ideal.In addition, above structure needs that conductor, insulator, radiator and corona shield is made to link together, due to radiator with
And corona shield radial dimension is larger, it is therefore desirable to occupy very large space, and for high-tension apparatus, can give insulating properties
New challenge can be brought.
Invention content
The object of the present invention is to provide the switchgears of a kind of wall bushing radiator structure and the use structure, are ensureing to dissipate
It is high to solve the problems, such as that existing radiator structure requires insulation performance while thermal effect.
To achieve the above object, the present invention in the technical solution adopted is that：Wall bushing radiator structure, including it is fixed on electricity
Insulator on gas equipment side wall and the center conductor being threaded through in insulator, axial middle part and the electrical equipment side wall of insulator
Between be equipped with heat-conducting piece, the both ends of heat-conducting piece are thermally connected with insulator and electrical equipment side wall respectively.
Further：
The heat-conducting piece includes the conductive flange being arranged on insulator and is connected to conductive flange and electrical equipment side wall
Between thermally conductive interface.
The conductive flange is embedding on insulator close to the side of center conductor, and conductive flange is close to center conductor
Side is equipped with along the axially extending shielding flange of wall bushing.
The electrical equipment side wall includes
Heat dissipation wall, the heat-conducting piece radially extending and being connected on the heat dissipation wall along insulator.
The lateral surface of the heat dissipation wall is equipped with radiator.
Switchgear, including closed gas chamber and the wall bushing radiator structure being arranged on gas chamber, wall bushing heat dissipation
Structure includes the insulator being fixed on gas chamber sidewall and the center conductor that is threaded through in insulator, it is characterised in that：Insulator
Axial middle part and gas chamber sidewall between be equipped with heat-conducting piece, the both ends of heat-conducting piece are thermally connected with insulator and gas chamber sidewall respectively,
Gas chamber sidewall and heat-conducting piece equipotential link.
Further：
The heat-conducting piece includes the conductive flange being arranged on insulator and is connected between conductive flange and gas chamber sidewall
Thermally conductive interface.
The conductive flange is embedding on insulator close to the side of center conductor, and conductive flange is close to center conductor
Side is equipped with along the axially extending shielding flange of wall bushing.
The gas chamber sidewall includes for the fixed fixation wall of wall bushing, further includes connected vertically scattered with the fixation wall
Hot wall, the heat-conducting piece radially extending and being connected on the heat dissipation wall along insulator.
The lateral surface of the heat dissipation wall is equipped with radiator.
Advantageous effect：The present invention uses above-mentioned technical proposal, is set between the axial middle part of insulator and electrical equipment side wall
There are heat-conducting piece, the both ends of heat-conducting piece to be thermally connected respectively with insulator and electrical equipment side wall, conductor can be passed to insulator
Heat transfer give electrical equipment side wall, realize heat dissipation by electrical equipment side wall, also, between center conductor and heat-conducting piece
Insulation can be undertaken by insulator, insulation performance is required it is low and be easily achieved, and compared with prior art, need not be in electricity
Setting radiator or corona shield solve existing radiator structure to exhausted while ensureing heat dissipation effect inside gas equipment
The high problem of edge performance requirement, while making the structure of electrical equipment compacter, also can be that inside electric appliance is conceded more
More spaces.
Further, the heat-conducting piece include setting conductive flange on insulator and be connected to conductive flange with electrically
Thermally conductive interface between equipment side wall, conductive flange are arranged around insulator, and the heat on insulator can be made to pass through heat conduction
Flange concentration is conducted to thermally conductive interface, avoids thermally conductive interface from directly being put with insulator and connect and can not radiate rapidly, can
Enhance heat dissipation effect.
Further, the conductive flange is embedding on insulator close to the side of center conductor, and conductive flange is close
The side of center conductor is equipped with along the axially extending shielding flange of wall bushing, and shielding flange can play center conductor shielding
Effect, further increases insulation performance.
Further, the electrical equipment side wall includes further including and the fixation for the fixed fixation wall of wall bushing
Wall heat dissipation wall connected vertically, the heat-conducting piece radially extending and being connected on the heat dissipation wall, Neng Gouyi along insulator
By the wall increasing heat radiation area that radiates so that heat can be quickly to exterior conductive.
Further, it is described heat dissipation wall lateral surface be equipped with radiator, radiator can be cooling fin, radiator fan,
The heat of center conductor is quickly transmitted to and sets to play optimal heat dissipation effect by the forms such as water cooling, oil cooling, air cooling
It is standby external.
Description of the drawings
Fig. 1 is the dimensional structure diagram of one embodiment of wall bushing radiator structure in the present invention；
Fig. 2 is the front view of Fig. 1；
Fig. 3 is the internal structure schematic diagram of wall bushing in Fig. 1.
Each reference numeral is corresponding entitled in figure：10- gas tanks, 11- bottom walls, 12- heat dissipation walls, 121- heat sinks, 122-
Fin radiator, 20- wall bushings, 21- insulators, 22- center conductors, 30- conductive flanges, 31- shield flange, 40- heat pipes.
Specific implementation mode
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
One embodiment of wall bushing radiator structure is a kind of big electric for middle pressure as shown in Fig. 1 ~ Fig. 3 in the present invention
Flow the wall bushing radiator structure of the wall bushing system of the high heat conduction ability of switchgear, including gas tank 10, the bottom of gas tank 10
Wall 11 is perforated equipped with wall bushing, and wall bushing 20 is fixed in wall bushing perforation, and bottom wall 11 is formed for wall bushing 20
Fixed fixation wall.Wall bushing 20 includes the insulator 21 that poured with epoxy resin is formed, and corresponding center conductor 22 is cast in
In insulator 21.
It is equipped with heat-conducting piece, electrical equipment side wall and heat-conducting piece etc. between the axial middle part of insulator 21 and electrical equipment side wall
Current potential connects.Middle part in the application refers to the intermediate position of insulator axial dimension, can be center position, can also be
The position of center position is slightly offset from axial direction.The heat-conducting piece includes 40 two parts of conductive flange 30 and heat pipe, conductive flange 30
It is made of metal material, preferably heat conductivility preferable material, such as copper, aluminium etc..Heat pipe 40 is the prior art, including metal
Tube body can be electrically connected to form equipotential with conductive flange 30 and be thermally connected.Conductive flange 30, which has, is used to support gas tank 10
Bottom wall 11 on axial support end face, when assembly, the axial support end face of conductive flange 30 is supported on the bottom wall 11 of gas tank 10
On, it is for fixing meanwhile, it is capable to form equipotential with the bottom wall 11 of gas tank 10, and can be passed to the bottom wall 11 of gas tank 10
Heat conduction amount plays better cooling effect.
Gas tank 10 further includes including heat sink 121 and being arranged with 11 heat dissipation wall 12 connected vertically of bottom wall, the heat dissipation wall 12
Fin radiator 122 on 121 lateral surface of heat sink, heat sink 121 are sealed by other side walls of sealing ring and gas tank 10,
Ensure that air-tightness, radiator cover whole lateral surfaces of heat sink 121, reach higher radiating efficiency.Heat pipe 40 is along insulation
Body 21 radially extending and being connected between heat sink 121 and conductive flange 30, forms thermally conductive interface.
In order to improve insulation performance, conductive flange 30 is poured into a mould absolutely close to the side of center conductor 22 in casting insulated body 21
On edge body 21, embedded structure is formed, and conductive flange 30 is equipped with along wall bushing 20 axially close to the side of center conductor 22
The shielding flange 31 of extension, in terms of vertical section, shielding flange 31 and the main body of conductive flange 30 form T-shaped structure.Wherein shield
The corner angle of flange 31 preferably make rounded corner processing.
In use, the heat on center conductor 22 is first transmitted on insulator 21, then it is pooled in conductive flange 30, in turn
It is transmitted on the heat dissipation wall 12 of gas tank 10 through heat pipe 40, the environment outside gas tank 10 is dispersed into eventually by fin radiator 122
In, realize good heat dissipation effect.
In the above-described embodiments, heat-conducting piece includes conductive flange 30 and uses the thermally conductive interface of heat pipe 40, and
Thermally conductive interface is equipped with one.In other embodiments of the invention, heat-conducting piece can also be formed only by thermally conductive interface, in order to
Improve heat dissipation effect, thermally conductive interface can be arranged more than one piece, or collect heat equipped with ring body on insulator 21, then by compared with
Few thermally conductive interface realizes heat transfer.In addition, in other embodiments, thermally conductive interface can also be its of good heat conductivity
His form, such as copper bar, aluminium row.Furthermore in the above-described embodiments, wall bushing 20 is realized by conductive flange 30 and is fixed,
In other embodiment, conductive flange 30 can also only be used as conductive structure, and the fixation of wall bushing 20 can pass through its other party
Formula is realized, such as mounting flange is arranged again.
In the present invention one embodiment of switchgear include closed gas tank 10, with 10 combination settings of gas tank other every
Room, gas tank 10 are equipped with wall bushing radiator structure, the wherein wall bushing in wall bushing radiator structure, that is, above-described embodiment
Radiator structure, details are not described herein again.
Claims (6)
1. wall bushing radiator structure, including the insulator being fixed on electrical equipment side wall and the center being threaded through in insulator
Conductor, it is characterised in that：Heat-conducting piece is equipped between the axial middle part of insulator and electrical equipment side wall, the both ends of heat-conducting piece are distinguished
It is thermally connected with insulator and electrical equipment side wall, the heat-conducting piece includes that setting conductive flange on insulator and being connected to is led
Thermally conductive interface between hot flange and electrical equipment side wall, the conductive flange are arranged around insulator, the conductive flange
It is made of metal material, the conductive flange pours into a mould shape on insulator in casting insulated body close to the side of center conductor
At embedded structure it is embedding on insulator, far from center conductor side stretch out insulator, conductive flange is close to center conductor
Side is equipped with along the axially extending shielding flange of wall bushing, the main body of the shielding flange and conductive flange in terms of vertical section,
T-shaped structure is formed, the shielding flange of T-shaped structure and the main body of partial conductive flange are fully embedded in insulator and form institute
The embedded structure stated.
2. wall bushing radiator structure according to claim 1, it is characterised in that：The electrical equipment side wall includes for wearing
The fixed fixation wall of wall casing, further include with fixation wall heat dissipation wall connected vertically, the heat-conducting piece is along insulator
It radially extends and is connected on the heat dissipation wall.
3. wall bushing radiator structure according to claim 2, it is characterised in that：The lateral surface of the heat dissipation wall is equipped with
Radiator.
4. switchgear, including closed gas chamber and the wall bushing radiator structure being arranged on gas chamber, wall bushing heat dissipation knot
Structure includes the insulator being fixed on gas chamber sidewall and the center conductor that is threaded through in insulator, it is characterised in that：Insulator
Heat-conducting piece is equipped between axial middle part and gas chamber sidewall, the both ends of heat-conducting piece are thermally connected with insulator and gas chamber sidewall respectively, gas
Room side wall and heat-conducting piece equipotential link, the heat-conducting piece include the conductive flange being arranged on insulator and are connected to heat conduction method
Thermally conductive interface between blue and gas chamber sidewall, the conductive flange are arranged around insulator, and the conductive flange uses metal
Material is made, and the conductive flange pours into a mould in casting insulated body close to the side of center conductor and forms embedded knot on insulator
Structure and it is embedding insulator is stretched out in the side far from center conductor on insulator, conductive flange is equipped with close to the side of center conductor
The main body of the shielding flange axially extending along wall bushing, the shielding flange and conductive flange is in terms of vertical section, the T-shaped knot of shape
Structure, the shielding flange of T-shaped structure and the main body of partial conductive flange are fully embedded in insulator and form the insertion
Structure.
5. switchgear according to claim 4, it is characterised in that：The gas chamber sidewall includes fixed for wall bushing
Fixation wall, further include with fixation wall heat dissipation wall connected vertically, the heat-conducting piece along insulator radially extend and even
It is connected on the heat dissipation wall.
6. switchgear according to claim 5, it is characterised in that：The lateral surface of the heat dissipation wall is equipped with radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610918590.5A CN106300175B (en) | 2016-10-21 | 2016-10-21 | Wall bushing radiator structure and the switchgear for using the structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610918590.5A CN106300175B (en) | 2016-10-21 | 2016-10-21 | Wall bushing radiator structure and the switchgear for using the structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106300175A CN106300175A (en) | 2017-01-04 |
| CN106300175B true CN106300175B (en) | 2018-10-02 |
Family
ID=57719212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610918590.5A Active CN106300175B (en) | 2016-10-21 | 2016-10-21 | Wall bushing radiator structure and the switchgear for using the structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106300175B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108923303A (en) * | 2018-06-22 | 2018-11-30 | 河南森源电气股份有限公司 | Gas-filling cabinet |
| CN110401133B (en) * | 2019-08-26 | 2024-01-30 | 吉林省金冠电气股份有限公司 | Gas compensation and temperature adjustment system for gas-insulated high-voltage switch equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3761599A (en) * | 1972-09-05 | 1973-09-25 | Gen Electric | Means for reducing eddy current heating of a tank in electric apparatus |
| CN202889857U (en) * | 2012-09-05 | 2013-04-17 | 特能传热科技（中山）有限公司 | Heat conducting member |
| TW201507304A (en) * | 2013-08-09 | 2015-02-16 | Chia Hsing Electrical Co Ltd | Heat dissipation apparatus for copper bus bar of distribution board |
| CN204376264U (en) * | 2014-12-30 | 2015-06-03 | 西门子公司 | A kind of switch cubicle and heat abstractor thereof |
| CN105846374A (en) * | 2016-05-05 | 2016-08-10 | 成都君禾天成科技有限公司 | Wall bushing with high dustproof capability |
| CN206135343U (en) * | 2016-10-21 | 2017-04-26 | 许继集团有限公司 | Wear wall sleeve pipe heat radiation structure and use switchgear of this structure |
-
2016
- 2016-10-21 CN CN201610918590.5A patent/CN106300175B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106300175A (en) | 2017-01-04 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Patentee after: XJ Group Corp. Patentee after: Xuji delischer Electric Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Address before: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Patentee before: XJ Group Corp. Patentee before: XUCHANG XUJI DRIESCHER WEGBERG ELECTRIC Co.,Ltd. Patentee before: State Grid Corporation of China |