CN105207146A - Cooling device of wall bushing - Google Patents
Cooling device of wall bushing Download PDFInfo
- Publication number
- CN105207146A CN105207146A CN201510537558.8A CN201510537558A CN105207146A CN 105207146 A CN105207146 A CN 105207146A CN 201510537558 A CN201510537558 A CN 201510537558A CN 105207146 A CN105207146 A CN 105207146A
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- pipeline
- wall bushing
- cooling
- cooling device
- heat exchanger
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Abstract
The invention relates to a cooling device of a wall bushing. The cooling device comprises a conductive rod, a ceramic outer sleeve, an insulating layer, a wiring terminal, and a flange. The conductive rod is connected in series with the wiring terminal and then is arranged inside the ceramic outer sleeve through one end of the wall bushing; the insulating layer coats the conductive rod; and the flange is fixed at the middle part of the ceramic outer sleeve. A cavity being a circulating path of cooling liquid is arranged between the insulating layer and the ceramic outer sleeve; a liquid inlet of the cooling liquid is formed in the bottom of the ceramic outer sleeve; and a liquid outlet is formed in the top of the ceramic outer sleeve. Enhanced climbing sheds are distributed on the outer wall of the ceramic outer sleeve. The insulating material employed by the insulating layer is epoxy resin. A cooling liquid circulation cooling device is arranged inside the wall bushing and is used for taking heat generated inside the wall bushing out of the bushing continuously; and after cooling by the cooling structure, the cooling liquid can be repeatedly used.
Description
Technical field
The invention belongs to technical field of electric equipment, relate to a kind of wall bushing, be specifically related to a kind of wall bushing cooling 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.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of wall bushing cooling device, by arranging liquid circulation cooling system in wall bushing inside, constantly the heat of wall bushing inside being taken out of, after being lowered the temperature by cooling structure, cooling fluid is reused again.
Technical scheme of the present invention is: a kind of wall bushing cooling 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, cavity is provided with between described insulating barrier and porcelain overcoat, cavity is the circulation canal of cooling fluid, the inlet of described cooling fluid is located at the bottom of porcelain overcoat, and liquid outlet is located at the top of porcelain overcoat.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.Be provided with supporting bracket in described inner chamber, described conducting rod is fixed in the middle part of porcelain overcoat by supporting bracket, and supporting bracket adopts Heat Conduction Material, and Heat Conduction Material is heat conductive silica gel or heat-conducting silicone grease.Described heat sink also comprises coolant storage tank, heat exchanger, liquid return tank, sedimentation basin, pump, cooling tower, pipeline and liquid storage tower, described heat exchanger comprises cylindrical shell, described cylindrical shell is provided with thermal medium inlet, thermal medium outlet, cold media outlet and cold medium entrance, described pump comprises the pump housing, the described pump housing is provided with import and outlet, described coolant storage tank is connected with the thermal medium outlet of heat exchanger by pipeline, the thermal medium outlet of described heat exchanger is connected with liquid return tank by pipeline, described liquid return tank is connected with sedimentation basin by pipeline, described sedimentation basin is connected with the import of pump by pipeline, described delivery side of pump is connected with cooling tower by pipeline, described delivery side of pump is connected with the cold medium entrance of heat exchanger by pipeline, described cooling tower is connected with liquid storage tower by pipeline, described cooling tower is connected with the cold media outlet of heat exchanger by pipeline, described liquid storage tower is connected with coolant storage tank by pipeline.Described heat exchanger is shell and tube condenser.Described inner chamber is provided with temperature sensor, and temperature sensor gathers the temperature of inner chamber, and is connected to controller, and when the temperature of inner chamber exceedes setting threshold, controller Controlled cooling system works.
The present invention has following good effect: by arranging liquid circulation cooling system in wall bushing inside, constantly the heat of wall bushing inside is taken out of, after being lowered the temperature by cooling structure, cooling fluid is reused again.
Accompanying drawing explanation
Fig. 1 is the wall bushing structure chart of the specific embodiment of the invention.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention 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, have more complete, accurate and deep understanding to help those skilled in the art to inventive concept of the present invention, technical scheme.
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 fluid, the inlet of cooling fluid and liquid outlet are located at the two ends of porcelain bushing respectively, concrete, inlet is located at the bottom of porcelain bushing, and liquid outlet is located at the top of porcelain bushing, the liquid high due to temperature can float, therefore, 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.
Coolant circulation system comprises coolant storage tank, heat exchanger, liquid return tank, sedimentation basin, pump, cooling tower, pipeline and liquid storage tower, described heat exchanger comprises cylindrical shell, described cylindrical shell is provided with thermal medium inlet, thermal medium outlet, cold media outlet and cold medium entrance, described pump comprises the pump housing, the described pump housing is provided with import and outlet, described coolant storage tank is connected with the thermal medium outlet of heat exchanger by pipeline, the thermal medium outlet of described heat exchanger is connected with liquid return tank by pipeline, described liquid return tank is connected with sedimentation basin by pipeline, described sedimentation basin is connected with the import of pump by pipeline, described delivery side of pump is connected with cooling tower by pipeline, described delivery side of pump is connected with the cold medium entrance of heat exchanger by pipeline, described cooling tower is connected with liquid storage tower by pipeline, described cooling tower is connected with the cold media outlet of heat exchanger by pipeline, described liquid storage tower is connected with coolant storage tank by pipeline, heat exchanger is shell and tube condenser.
Coolant storage tank cooling fluid out enters backflow pool by heat exchanger, enter sedimentation basin again, cooled by backflow pool and sedimentation basin Temperature fall, cooling tower is squeezed into from pump by sedimentation basin cooling fluid some out, sedimentation basin cooling fluid another part is out flow to the cold medium entrance of heat exchanger by blowback, cooling tower is flow to again by the cold media outlet of heat exchanger, the cooling fluid eventually converging to cooling tower flows into storage tower after supercooling, enter water tank wire drawing coolant storage tank by storage tower again, so circulate.
Inner chamber is provided with temperature sensor, and temperature sensor gathers the temperature of inner chamber, and is connected to controller, and when the temperature of inner chamber exceedes setting threshold, controller Controlled cooling system works.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (7)
1. a wall bushing cooling 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, cavity is provided with between described insulating barrier and porcelain overcoat, cavity is the circulation canal of cooling fluid, the inlet of described cooling fluid is located at the bottom of porcelain overcoat, and liquid outlet is located at the top of porcelain overcoat.
2. wall bushing cooling device according to claim 1, is characterized in that, described porcelain bushing outer wall is distributed with increasing and climbs full skirt.
3. wall bushing cooling device according to claim 1, is characterized in that, the insulating material employing epoxy resin that described insulating barrier is used.
4. wall bushing cooling device according to claim 1, it is characterized in that, be provided with supporting bracket in described inner chamber, described conducting rod is fixed in the middle part of porcelain overcoat by supporting bracket, supporting bracket adopts Heat Conduction Material, and Heat Conduction Material is heat conductive silica gel or heat-conducting silicone grease.
5. wall bushing cooling device according to claim 1, it is characterized in that, described heat sink also comprises coolant storage tank, heat exchanger, liquid return tank, sedimentation basin, pump, cooling tower, pipeline and liquid storage tower, described heat exchanger comprises cylindrical shell, described cylindrical shell is provided with thermal medium inlet, thermal medium outlet, cold media outlet and cold medium entrance, described pump comprises the pump housing, the described pump housing is provided with import and outlet, described coolant storage tank is connected with the thermal medium outlet of heat exchanger by pipeline, the thermal medium outlet of described heat exchanger is connected with liquid return tank by pipeline, described liquid return tank is connected with sedimentation basin by pipeline, described sedimentation basin is connected with the import of pump by pipeline, described delivery side of pump is connected with cooling tower by pipeline, described delivery side of pump is connected with the cold medium entrance of heat exchanger by pipeline, described cooling tower is connected with liquid storage tower by pipeline, described cooling tower is connected with the cold media outlet of heat exchanger by pipeline, described liquid storage tower is connected with coolant storage tank by pipeline.
6. wall bushing cooling device according to claim 5, is characterized in that, described heat exchanger is shell and tube condenser.
7. wall bushing cooling device according to claim 6, is characterized in that, described inner chamber is provided with temperature sensor, temperature sensor gathers the temperature of inner chamber, and being connected to controller, when the temperature of inner chamber exceedes setting threshold, controller Controlled cooling system works.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510537558.8A CN105207146A (en) | 2015-08-26 | 2015-08-26 | Cooling device of wall bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510537558.8A CN105207146A (en) | 2015-08-26 | 2015-08-26 | Cooling device of wall bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105207146A true CN105207146A (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510537558.8A Pending CN105207146A (en) | 2015-08-26 | 2015-08-26 | Cooling device of wall bushing |
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| Country | Link |
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| CN (1) | CN105207146A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101346779A (en) * | 2005-12-30 | 2009-01-14 | Abb技术有限公司 | Cooling of high voltage devices |
| CN101523516A (en) * | 2006-10-31 | 2009-09-02 | Abb研究有限公司 | A high voltage bushing |
| CN203955749U (en) * | 2014-07-23 | 2014-11-26 | 台州市乾峰科技有限公司 | The lubricating fluid cooling recirculation system of water tank drawbench |
| CN104518466A (en) * | 2013-09-29 | 2015-04-15 | 衡阳华瑞电气有限公司 | Wall bushing with fastened end cover |
| CN204407158U (en) * | 2015-03-05 | 2015-06-17 | 国家电网公司 | A kind of high-voltage conductive rod |
-
2015
- 2015-08-26 CN CN201510537558.8A patent/CN105207146A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101346779A (en) * | 2005-12-30 | 2009-01-14 | Abb技术有限公司 | Cooling of high voltage devices |
| CN101523516A (en) * | 2006-10-31 | 2009-09-02 | Abb研究有限公司 | A high voltage bushing |
| CN104518466A (en) * | 2013-09-29 | 2015-04-15 | 衡阳华瑞电气有限公司 | Wall bushing with fastened end cover |
| CN203955749U (en) * | 2014-07-23 | 2014-11-26 | 台州市乾峰科技有限公司 | The lubricating fluid cooling recirculation system of water tank drawbench |
| CN204407158U (en) * | 2015-03-05 | 2015-06-17 | 国家电网公司 | A kind of high-voltage conductive rod |
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Application publication date: 20151230 |