CN204905804U - High pressure air heat sink for wall bushing - Google Patents
High pressure air heat sink for wall bushing Download PDFInfo
- Publication number
- CN204905804U CN204905804U CN201520657766.7U CN201520657766U CN204905804U CN 204905804 U CN204905804 U CN 204905804U CN 201520657766 U CN201520657766 U CN 201520657766U CN 204905804 U CN204905804 U CN 204905804U
- Authority
- CN
- China
- Prior art keywords
- air
- porcelain
- bushing
- wall bushing
- cooling
- 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.)
- Expired - Fee Related
Links
Landscapes
- Insulators (AREA)
Abstract
The utility model relates to a high pressure air heat sink for wall bushing, the wall bushing includes conducting rod, porcelain overcoat, insulating layer, binding post and flange, and inside the porcelain overcoat was put into to the one end of follow wall bushing behind conducting rod and the binding post series connection, the conducting rod in the insulating layer cladding, and the flange is fixed at porcelain overcoat middle part, be equipped with the inner chamber passageway of cooling air circulation between insulating layer and the porcelain overcoat, establish respectively at the both ends of porcelain bushing cooling air's air inlet and gas outlet, and the air inlet is established in the bottom of porcelain bushing, and the top at the porcelain bushing is established to the gas outlet. It climbs the full skirt to distribute to have to increase on the porcelain bushing outer wall. The used insulating material of insulating layer adopts epoxy. Through set up cooling passage for the cooling air inside high -pressure wall bushing, carry over the heat of heat pipe out of, avoid the inside high temperature of wall bushing, the operation brings the trouble for the circuit.
Description
Technical field
The utility model belongs to technical field of electric equipment, relates to a kind of wall bushing, is specifically related to a kind of high-voltage wall bushing air cooling-down device.
Background technology
Wall bushing is the important coupling part between transformer and distribution line, connects main transformer low-pressure side lead-out wire and switch gear room.When electric current flows through main busbar, a magnetic field can be excited being fixed on the wall bushing plate on body of wall, and produce eddy current loss.Eddy current loss can increase along with bus operating current and sharply increase, and wall bushing plate is generated heat.During summer peak meeting, this problem is particularly outstanding, has a strong impact on the service behaviour of the ampacity of bus and electric component, the normal work of wall bushing body, the safe operation of whole piece circuit and reliable power supply, even jeopardizes personal safety.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of high-voltage wall bushing air cooling-down device, by arranging cooling-air cooling passage in high-voltage wall bushing inside, is taken out of by the heat of heat pipe, avoid the temperature of wall bushing inside too high, run to circuit and bring fault.
The technical solution of the utility model is: a kind of high-voltage wall bushing air cooling-down device, described wall bushing comprises conducting rod, porcelain overcoat, insulating barrier, binding post and flange, porcelain jacket internal is put into from one end of wall bushing after conducting rod and binding post are connected in series, insulating barrier is coated with conducting rod, flange is fixed in the middle part of porcelain overcoat, the bore passages that cooling-air circulates is provided with between described insulating barrier and porcelain overcoat, the air inlet of cooling-air and gas outlet are located at the two ends of porcelain bushing respectively, air inlet is located at the bottom of porcelain bushing, gas outlet is located at the top of porcelain bushing.Described porcelain bushing outer wall is distributed with increasing and climbs full skirt.The insulating material employing epoxy resin that described insulating barrier is used.Supporting bracket is provided with in described air inner chamber, conducting rod is fixed in the middle part of porcelain overcoat by supporting bracket, and described supporting bracket plane is vertical with conducting rod, and supporting bracket is provided with the circulation passage of cooling-air, supporting bracket adopts Heat Conduction Material, and Heat Conduction Material is heat conductive silica gel or heat-conducting silicone grease.Described heat sink comprises cold air generator, thermoregulator, cold air feed tube and freeze drier, knob on thermoregulator can regulate the air outlet temperature of cold air generator, cold air generator is connected to freeze drier by cold air feed tube, and freeze drier is connected to the air inlet of porcelain bushing cavity.Described heat sink comprises air compressor, gas tank and vortex tube, and described air compressor connects gas tank by transfer pipeline, and gas tank connects vortex tube, and described vortex tube is connected to the air inlet of porcelain bushing cavity, and described vortex tube is provided with adjuster valve.Described vortex tube is made up of the pipe of a both ends open and nozzle, minor air cell, separation orifice, adjuster valve, pipe two ends are respectively cold air outlet side and hot gas outlet side, outlet side is provided with adjuster valve to hot gas, minor air cell is provided with separation orifice near adjuster valve side, minor air cell connects cold air outlet side, hot gas outlet side and compressed air inlet respectively, nozzle is arranged in compressed air inlet, and cold air outlet side is connected to the air inlet of porcelain bushing cavity.What described transfer pipeline adopted is that 316L stainless steel is made.
The utility model has following good effect: by arranging cooling-air cooling passage in high-voltage wall bushing inside, taken out of by the heat of heat pipe, avoid the temperature of wall bushing inside too high, runs bring fault to circuit.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment wall bushing structure chart.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, embodiment of the present utility model is as the effect of the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part and operation principle, manufacturing process and operation using method etc., be described in further detail, to help, those skilled in the art conceive utility model of the present utility model, technical scheme has more complete, accurate and deep understanding.
As shown in Figure 1, a kind of high-voltage wall bushing, include conducting rod, conducting rod is coated with porcelain bushing, porcelain bushing outer wall is distributed with increasing and climbs full skirt, conducting rod two ends are all provided with binding post, in the middle part of porcelain bushing, adpting flange is installed, also insulating barrier is provided with between conducting rod and porcelain bushing, insulating barrier is coated with conducting rod, it is put into from one end of wall bushing inner after conducting rod and binding post are connected in series, the other end that the part of binding post runs through wall bushing is used as to be connected with high voltage electric field to use, with insulating material, one end embedding of conducting rod and binding post is fixed in wall bushing again, thus reach the object of insulated enclosure, the insulating material employing epoxy resin that insulating barrier is used.
A cavity structure is also provided with between insulating barrier and porcelain bushing, as the circulation passage of cooling-air, the air inlet of cooling-air and gas outlet are located at the two ends of porcelain bushing respectively, concrete, air inlet is located at the bottom of porcelain bushing, and gas outlet is located at the top of porcelain bushing, owing to can float after gas heating, therefore, air inlet is located at bottom, can cooling performance be improved.
Inner chamber is provided with supporting bracket, conducting rod is fixed on cavity central authorities by supporting bracket, supporting bracket plane is vertical with conducting rod, supporting bracket adopts Heat Conduction Material, by the heat conduction of insulating barrier in inner chamber, concrete, Heat Conduction Material is heat conductive silica gel or heat-conducting silicone grease, thus improve the speed of heat by conduction, reach good heat-conducting effect.In addition, for longer wall bushing, supporting bracket has a supporting role to conducting rod, avoids conducting rod long formation degree of disturbing, affects conducting rod performance.Concrete, supporting bracket is provided with the passage of gas circulation, and the cavity of porcelain bushing inside is separated into multiple chamber be interconnected by supporting bracket.
Cooling device comprises cold air generator, thermoregulator, cold air feed tube and freeze drier, knob on thermoregulator can regulate the air outlet temperature of cold air generator, cold air generator is connected to freeze drier by cold air feed tube, remove the moisture in cold air, freeze drier is connected to the air inlet of porcelain bushing cavity.Cooling-air temperature after the inner chamber of porcelain bushing raises, and is got rid of by gas outlet.
Cooling device also comprises air compressor, gas tank, filter and vortex tube, and air compressor connects gas tank and vortex tube by pipeline, between gas tank and vortex tube, be provided with filter, and what transfer pipeline adopted is that 316L stainless steel is made.Described vortex tube is made up of the pipe of a both ends open and nozzle, minor air cell, separation orifice, adjuster valve, pipe two ends are respectively cold air outlet side and hot gas outlet side, outlet side is provided with adjuster valve to hot gas, minor air cell is provided with separation orifice near adjuster valve side, minor air cell connects cold air outlet side, hot gas outlet side and compressed air inlet respectively, compressed air inlet is vortex tube inlet, and nozzle is arranged in compressed air inlet.Cold air gas outlet is connected to the air inlet of porcelain bushing cavity.
Its operation principle: after blast injection enters the minor air cell of vortex tube, air-flow flows to vortex tube inlet to be rotating up to the speed of 1,000,000 turns per minute, part air-flow is flowed out by adjuster valve, after remaining gas is stopped, at Primordial Qi stream inner ring with same rotating speed reverse rotation, and flow to vortex tube outlet.In the process, two bursts of air-flow generation heat exchanges, inner ring air-flow becomes terribly cold, and flow out from left side, outer shroud air-flow then becomes awfully hot, flows out from right side.The temperature of cold airflow and uninterrupted are by regulating the gate control of vortex tube hot gas end valve.It is higher that vortex tube hot gas brings out gas ratio, then the temperature of vortex tube cold air end air-flow is lower, and flow is corresponding minimizing also.
By reference to the accompanying drawings the utility model is exemplarily described above; obvious the utility model specific implementation is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present utility model is conceived and technical scheme is carried out; or design of the present utility model and technical scheme directly applied to other occasion, all within protection range of the present utility model without to improve.
Claims (8)
1. a high-voltage wall bushing air cooling-down device, it is characterized in that, described wall bushing comprises conducting rod, porcelain overcoat, insulating barrier, binding post and flange, porcelain jacket internal is put into from one end of wall bushing after conducting rod and binding post are connected in series, insulating barrier is coated with conducting rod, flange is fixed in the middle part of porcelain overcoat, the bore passages that cooling-air circulates is provided with between described insulating barrier and porcelain overcoat, the air inlet of cooling-air and gas outlet are located at the two ends of porcelain bushing respectively, air inlet is located at the bottom of porcelain bushing, and gas outlet is located at the top of porcelain bushing.
2. high-voltage wall bushing air cooling-down device according to claim 1, is characterized in that, described porcelain bushing outer wall is distributed with increasing and climbs full skirt.
3. high-voltage wall bushing air cooling-down device according to claim 1, is characterized in that, the insulating material employing epoxy resin that described insulating barrier is used.
4. high-voltage wall bushing air cooling-down device according to claim 1, it is characterized in that, supporting bracket is provided with in described air inner chamber, conducting rod is fixed in the middle part of porcelain overcoat by supporting bracket, described supporting bracket plane is vertical with conducting rod, supporting bracket is provided with the circulation passage of cooling-air, and supporting bracket adopts Heat Conduction Material, and Heat Conduction Material is heat conductive silica gel or heat-conducting silicone grease.
5. high-voltage wall bushing air cooling-down device according to claim 1, it is characterized in that, described heat sink comprises cold air generator, thermoregulator, cold air feed tube and freeze drier, knob on thermoregulator can regulate the air outlet temperature of cold air generator, cold air generator is connected to freeze drier by cold air feed tube, and freeze drier is connected to the air inlet of porcelain bushing cavity.
6. high-voltage wall bushing air cooling-down device according to claim 1, it is characterized in that, described heat sink comprises air compressor, gas tank and vortex tube, described air compressor connects gas tank by transfer pipeline, gas tank connects vortex tube, described vortex tube is connected to the air inlet of porcelain bushing cavity, and described vortex tube is provided with adjuster valve.
7. high-voltage wall bushing air cooling-down device according to claim 6, it is characterized in that, described vortex tube is made up of the pipe of a both ends open and nozzle, minor air cell, separation orifice, adjuster valve, pipe two ends are respectively cold air outlet side and hot gas outlet side, outlet side is provided with adjuster valve to hot gas, minor air cell is provided with separation orifice near adjuster valve side, minor air cell connects cold air outlet side, hot gas outlet side and compressed air inlet respectively, nozzle is arranged in compressed air inlet, and cold air outlet side is connected to the air inlet of porcelain bushing cavity.
8. high-voltage wall bushing air cooling-down device according to claim 7, is characterized in that, what described transfer pipeline adopted is that 316L stainless steel is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520657766.7U CN204905804U (en) | 2015-08-26 | 2015-08-26 | High pressure air heat sink for wall bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520657766.7U CN204905804U (en) | 2015-08-26 | 2015-08-26 | High pressure air heat sink for wall bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204905804U true CN204905804U (en) | 2015-12-23 |
Family
ID=54927955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520657766.7U Expired - Fee Related CN204905804U (en) | 2015-08-26 | 2015-08-26 | High pressure air heat sink for wall bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204905804U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119215A (en) * | 2015-08-26 | 2015-12-02 | 芜湖市凯鑫避雷器有限责任公司 | Air cooling device for high pressure wall bushing |
| CN106571603A (en) * | 2016-11-09 | 2017-04-19 | 成都聚立汇信科技有限公司 | Wall bushing for installation of cable |
| WO2021144409A1 (en) * | 2020-01-15 | 2021-07-22 | Abb Power Grids Switzerland Ag | Air-cooled air-to-air bushing |
-
2015
- 2015-08-26 CN CN201520657766.7U patent/CN204905804U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119215A (en) * | 2015-08-26 | 2015-12-02 | 芜湖市凯鑫避雷器有限责任公司 | Air cooling device for high pressure wall bushing |
| CN106571603A (en) * | 2016-11-09 | 2017-04-19 | 成都聚立汇信科技有限公司 | Wall bushing for installation of cable |
| WO2021144409A1 (en) * | 2020-01-15 | 2021-07-22 | Abb Power Grids Switzerland Ag | Air-cooled air-to-air bushing |
| CN114930473A (en) * | 2020-01-15 | 2022-08-19 | 日立能源瑞士股份公司 | Air cooled air to air bushing |
| CN114930473B (en) * | 2020-01-15 | 2024-02-20 | 日立能源有限公司 | Air cooled air-to-air sleeve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204905804U (en) | High pressure air heat sink for wall bushing | |
| CN202260470U (en) | SVC hermetic type circulating purified water cooling system | |
| CN107036293A (en) | A kind of energy-saving heater | |
| CN102767211A (en) | Energy-saving anti-explosion water pipe heating system | |
| CN105119215A (en) | Air cooling device for high pressure wall bushing | |
| CN206131837U (en) | High -tension electricity energy memory | |
| CN205336731U (en) | Close closed circulation water cooling system for ice -melt and SVC device | |
| CN207622255U (en) | A kind of electricity separation water heater | |
| CN103779048A (en) | Main-transformation heat-dissipating device with SF6 (sulfur hexafluoride) as refrigerant medium and heat-dissipating method | |
| CN104460776B (en) | Multi-physical field coupling environment simulation device | |
| CN204927997U (en) | Supplementary heat sink of high pressure wall bushing | |
| CN103779049A (en) | Heat pump type main-transformation heat-exchanging device with SF6 (sulfur hexafluoride) as heat-exchanging medium and heat-exchanging method | |
| CN108012359A (en) | A kind of water magnetizing device and water heater | |
| CN103794337A (en) | Main transformer shell and tube heat dissipation device and method with SF6 as refrigerant medium | |
| CN203706798U (en) | Main transformer tube nest type cooling device with SF6 medium as coolant | |
| CN103779050A (en) | Main-transformation coiled-tube-type heat-dissipating device with SF6 (sulfur hexafluoride) as refrigerant medium and heat-dissipating method | |
| CN203653416U (en) | Kiln cooling device | |
| CN205048535U (en) | Floor heating system | |
| CN201363875Y (en) | Line-frequency induction electric water heater | |
| CN203706795U (en) | Main transformer cooling device with SF6 medium as coolant | |
| CN106678943A (en) | Heating device and heating system | |
| CN203946992U (en) | A kind of SiC energetic ion implanter constant temperature ultrapure water equipment | |
| CN208595723U (en) | A kind of low-temperature air source heat pump | |
| CN206963117U (en) | A kind of water magnetizing device and water heater | |
| CN105186415A (en) | Self-cooling device for wall bushings |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20180826 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |