CN105186416A - High-voltage wall feed-through sleeve - Google Patents
High-voltage wall feed-through sleeve Download PDFInfo
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- CN105186416A CN105186416A CN201510536131.6A CN201510536131A CN105186416A CN 105186416 A CN105186416 A CN 105186416A CN 201510536131 A CN201510536131 A CN 201510536131A CN 105186416 A CN105186416 A CN 105186416A
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- China
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- porcelain piece
- voltage wall
- wall bushing
- pump
- sulfuric acid
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Abstract
The invention discloses a high-voltage wall feed-through sleeve and belongs to the technical field of power supply systems. The high-voltage wall feed-through sleeve comprises a porcelain part with a circular through hole, a conducting bar arranged in the circular through hole of the porcelain part, two metal end caps at the two ends of the porcelain part, an installation flange arranged at the middle part of the porcelain part, gas guiding valves arranged on the metal end caps, a gas guiding pipe and a pump. The conducting bar is in the form of a metal part. The two ends of the conducting bar respectively pass through the metal end caps at the two ends of the porcelain part to extend out of the porcelain part. The installation flange is fixedly clamped with the porcelain part. The two ends of the gas guiding pipe are respectively connected with the gas guiding valves and the pump. The gas guiding valves are in the form of one-way valves. The outer surface of the porcelain part is provided with disk-shaped radiating fins. By means of a multi-stage cooling device, the conducting bar in the high-voltage wall feed-through sleeve can be accurately cooled. The problems in the prior art that a conventional high-voltage wall feed-through sleeve is not easily cooled and the temperature of the conventional high-voltage wall feed-through sleeve cannot be controlled can be solved. The high-voltage wall feed-through sleeve can be quickly, timely and accurately cooled. Meanwhile, the temperature inside the high-voltage wall feed-through sleeve can be lowered.
Description
Technical field
The invention belongs to electric power system technical field, be specifically related to a kind of high-voltage wall bushing.
Background technology
The busbar of high-voltage wall bushing is generally made up of metal, because metallic conduction moves between the gap that formed between metal ion of the free electron in metallic crystal, is exactly that have in a metal can the passage of supplied for electronic movement.Because the metal ion in metallic crystal is in continuous motion, so these passages are bending and occur narrow area at any time.These bend and all make the directed movement of electronics be hindered with narrow.Temperature is higher, and the motion of metal ion is strong with regard to Shaoxing opera, and metal ion motion is violent, and the passage of supplied for electronic motion is more bending and narrower, and the obstruction that the directed movement of such electronics is subject to is larger, and namely the resistivity of metal is larger.Owing to being high-voltage wall bushing, therefore all comparatively large by the voltage of the electric current of sleeve pipe and electric current, making the temperature of busbar higher, in order to control the temperature of busbar, the monitoring temperature of busbar and the temperature that reduces busbar being seemed particularly important.And existing high-voltage wall bushing only has simple heat dissipating method and does not have device for monitoring temperature.And the humidity in high-voltage wall bushing will strictly control, prevent high-voltage wall bushing humidity excessive.
Summary of the invention
According to above the deficiencies in the prior art, technical problem to be solved by this invention proposes a kind of high-voltage wall bushing, the monitoring temperature to busbar in high-voltage wall bushing is realized by high-voltage wall bushing set temperature supervising device, the accurate cooling to busbar in high-voltage wall bushing is realized by Multi-stage cooling device, solve high-voltage wall bushing to be not easy to fall the out of contior problem of mild temperature, have comparatively fast, in time and lower the temperature accurately, and the humidity in high-voltage wall bushing can be reduced.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of high-voltage wall bushing, this high-voltage wall bushing comprises the porcelain piece being provided with manhole, be arranged on the busbar in the manhole of porcelain piece, be arranged on the metal end at the two ends of porcelain piece, be arranged on the mounting flange in the middle part of porcelain piece, be arranged on the air guide valve on metal end, wireway and pump, described metal end is stamped two, described busbar is metalwork, the metal end Shen that the two ends of busbar are each passed through porcelain piece two ends goes out porcelain piece, mounting flange fixedly engages with porcelain piece, the two ends of wireway connect air guide valve and pump respectively, described air guide valve is one-way cock, the appearance of described porcelain piece is provided with disk like fin.
The communication direction of the air guide valve that the metal end of described porcelain piece one end is arranged is for being communicated with by the export-oriented porcelain piece of porcelain piece, the communication direction of the air guide valve that the metal end of the porcelain piece other end is arranged is by being communicated with outside porcelain piece in porcelain piece, and wireway and communication direction are be communicated with by the inlet end of the air guide valve be communicated with in the export-oriented porcelain piece of porcelain piece.Described wireway is also provided with dehydrating unit.Described dehydrating unit comprises accommodation bottle, escape pipe and an air inlet pipe, and the bottle cap of described accommodation bottle is provided with two through holes, and it is inner that escape pipe and air inlet pipe insert accommodation bottle respectively by these two through holes, accommodates water absorbing agent in accommodation bottle.Described water absorbing agent is the concentrated sulfuric acid.The material of described bottle cap is fluorubber.The concentration of the described concentrated sulfuric acid is less than 98%.Below the liquid level of the concentrated sulfuric acid in accommodation bottle is inserted in the lower end of described air inlet pipe, air inlet pipe lower end is less than 1cm from the distance bottom accommodation bottle but does not contact with bottom accommodation bottle, the ullage of lower end concentrated sulfuric acid in accommodation bottle of escape pipe, escape pipe lower end is greater than 2cm from the distance of the liquid level of the concentrated sulfuric acid.Described accommodation bottle is also provided with sulfuric acid concentration monitoring equipment outward, and described monitoring equipment is the online refractometer of E-scan, and when the online refractometer of E-scan detects that sulfuric acid concentration is too small, the warning device be arranged on outside the online refractometer of E-scan can send warning.The temperature sensor measuring temperature in porcelain piece is provided with in described porcelain piece, described pump is provided with the controller that control pump runs, the temperature value recorded is passed to the controller be arranged on pump by temperature sensor, controller judges whether to open pump according to the size receiving temperature value, when temperature value is large, open pump, temperature value hour, stop the operation of pump and keep closed condition.
Beneficial effect of the present invention is: the present invention realizes the monitoring temperature to busbar in high-voltage wall bushing by high-voltage wall bushing set temperature supervising device, the accurate cooling to busbar in high-voltage wall bushing is realized by Multi-stage cooling device, solve high-voltage wall bushing to be not easy to fall the out of contior problem of mild temperature, have comparatively fast, in time and lower the temperature accurately, and the humidity in high-voltage wall bushing can be reduced.
Accompanying drawing explanation
Below the content expressed by this Figure of description and the mark in figure are briefly described:
Fig. 1 is the structure chart of the specific embodiment of the present invention.
In figure, 1 is porcelain piece, and 2 is busbar, and 3 is metal end, and 4 is mounting flange, and 5 is air guide valve, and 6 is wireway, and 7 is dehydrating unit.
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, this high-voltage wall bushing comprises porcelain piece 1, busbar 2, metal end 3, mounting flange 4, air guide valve 5, wireway 6, dehydrating unit 7 and pump.
In order to preliminary heat radiation, the appearance of described porcelain piece 1 is provided with disk like fin, and porcelain piece 1 is also provided with manhole.Described metal end 3 has two, two metal ends 3 are separately positioned on the two ends of porcelain piece 1, described busbar 2 is metalwork, and busbar 2 is arranged in the manhole of the porcelain piece 1 and two ends of busbar 2 and is each passed through metal end 3 Shen being arranged on porcelain piece 1 two ends and goes out porcelain piece 1.Described mounting flange 4 is arranged on the middle part of porcelain piece 1, and mounting flange 4 fixedly engages with porcelain piece 1.Described metal end 3 is provided with air guide valve 5, and described air guide valve 5 is one-way cock.The two ends of wireway 6 connect air guide valve 5 and pump respectively, and wireway 6 is also provided with dehydrating unit 7.
The communication direction of the air guide valve 5 that the metal end 3 of described porcelain piece 1 one end is arranged is be communicated with by the export-oriented porcelain piece 1 of porcelain piece 1, and the communication direction of the air guide valve 5 that the metal end 3 of porcelain piece 1 other end is arranged is be communicated with outside porcelain piece 1 by porcelain piece 1.Wireway 6 and communication direction are be communicated with by the inlet end of the air guide valve 5 be communicated with in the export-oriented porcelain piece 1 of porcelain piece 1, gas is made a gift to someone in porcelain piece 1 by wireway 6 through dehydrating unit 7 by pump, owing to sending into the pressure effect of gas, can be blow out to the air guide valve 5 outside porcelain piece 1 by porcelain piece 1 by communication direction by gas original in porcelain piece 1, by being continuously blown into new gas in porcelain piece 1, reach the object reducing temperature in porcelain piece 1.
Described dehydrating unit 7 comprises accommodation bottle, escape pipe and an air inlet pipe, and the bottle cap of described accommodation bottle is provided with two through holes, and it is inner that escape pipe and air inlet pipe insert accommodation bottle respectively by these two through holes.Hold the concentrated sulfuric acid in accommodation bottle as water absorbing agent, due to the corrosivity of the concentrated sulfuric acid, therefore bottle cap is made by fluorubber material, due to the not resistance to concentration of fluorubber higher than 98% the corrosion of the concentrated sulfuric acid, therefore the concentration of the concentrated sulfuric acid held in accommodation bottle is less than 98%.In order to air inlet can obtain drying with the air entering accommodation bottle smoothly, below the liquid level of the concentrated sulfuric acid in accommodation bottle is inserted in the lower end of described air inlet pipe, air inlet pipe lower end is less than 1cm from the distance bottom accommodation bottle but does not contact with bottom accommodation bottle, the ullage of lower end concentrated sulfuric acid in accommodation bottle of escape pipe, escape pipe lower end is greater than 2cm from the distance of the liquid level of the concentrated sulfuric acid.
In order to the concentration of the concentrated sulfuric acid in Real-Time Monitoring accommodation bottle, described accommodation bottle is also provided with sulfuric acid concentration monitoring equipment outward, and described monitoring equipment is the online refractometer of E-scan, and the online refractometer of E-scan can not contact monitoring sulfuric acid concentration in real time.When the online refractometer of E-scan detects that sulfuric acid concentration is too small, the warning device be arranged on outside the online refractometer of E-scan can send warning.
In order to energy savings and the operating time increasing the concentrated sulfuric acid, the temperature sensor measuring temperature in porcelain piece 1 is provided with in described porcelain piece 1, described pump is provided with the controller that control pump runs, the temperature value recorded is passed to the controller be arranged on pump by temperature sensor, controller judges whether to open pump according to the size receiving temperature value, when temperature value is large, opens pump, temperature value hour, stops the operation of pump and keeps closed condition.
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.The protection range that protection scope of the present invention should limit with claims is as the criterion.
Claims (10)
1. a high-voltage wall bushing, it is characterized in that: this high-voltage wall bushing comprises the porcelain piece 1 being provided with manhole, be arranged on the busbar 2 in the manhole of porcelain piece 1, be arranged on the metal end 3 at the two ends of porcelain piece 1, be arranged on the mounting flange 4 in the middle part of porcelain piece 1, be arranged on the air guide valve 5 on metal end 3, wireway 6 and pump, described metal end 3 has two, described busbar 2 is metalwork, metal end 3 Shen that the two ends of busbar 2 are each passed through porcelain piece 1 two ends goes out porcelain piece 1, mounting flange 4 fixedly engages with porcelain piece 1, the two ends of wireway 6 connect air guide valve 5 and pump respectively, described air guide valve 5 is one-way cock, the appearance of described porcelain piece 1 is provided with disk like fin.
2. high-voltage wall bushing according to claim 1, it is characterized in that: the communication direction of the air guide valve 5 that the metal end 3 of described porcelain piece 1 one end is arranged is for being communicated with by the export-oriented porcelain piece 1 of porcelain piece 1, the communication direction of the air guide valve 5 that the metal end 3 of porcelain piece 1 other end is arranged is be communicated with outside porcelain piece 1 by porcelain piece 1, and wireway 6 and communication direction are be communicated with by the inlet end of the air guide valve 5 be communicated with in the export-oriented porcelain piece 1 of porcelain piece 1.
3. high-voltage wall bushing according to claim 1 or 2 any one, is characterized in that: described wireway 6 is also provided with dehydrating unit 7.
4. high-voltage wall bushing according to claim 3, it is characterized in that: described dehydrating unit 7 comprises accommodation bottle, escape pipe and an air inlet pipe, the bottle cap of described accommodation bottle is provided with two through holes, it is inner that escape pipe and air inlet pipe insert accommodation bottle respectively by these two through holes, accommodates water absorbing agent in accommodation bottle.
5. high-voltage wall bushing according to claim 4, is characterized in that: described water absorbing agent is the concentrated sulfuric acid.
6. high-voltage wall bushing according to claim 3 or 4 any one, is characterized in that: the material of described bottle cap is fluorubber.
7. high-voltage wall bushing according to claim 5, is characterized in that: the concentration of the described concentrated sulfuric acid is less than 98%.
8. high-voltage wall bushing according to claim 7, it is characterized in that: below the liquid level of the concentrated sulfuric acid in accommodation bottle is inserted in the lower end of described air inlet pipe, air inlet pipe lower end is less than 1cm from the distance bottom accommodation bottle but does not contact with bottom accommodation bottle, the ullage of lower end concentrated sulfuric acid in accommodation bottle of escape pipe, escape pipe lower end is greater than 2cm from the distance of the liquid level of the concentrated sulfuric acid.
9. high-voltage wall bushing according to claim 5,7 or 8 any one, it is characterized in that: described accommodation bottle is also provided with sulfuric acid concentration monitoring equipment outward, described monitoring equipment is the online refractometer of E-scan, when the online refractometer of E-scan detects that sulfuric acid concentration is too small, the warning device be arranged on outside the online refractometer of E-scan can send warning.
10. high-voltage wall bushing according to claim 9, it is characterized in that: in described porcelain piece 1, be provided with the temperature sensor measuring temperature in porcelain piece 1, described pump is provided with the controller that control pump runs, the temperature value recorded is passed to the controller be arranged on pump by temperature sensor, controller judges whether to open pump according to the size receiving temperature value, when temperature value is large, opens pump, temperature value hour, stops the operation of pump and keeps closed condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510536131.6A CN105186416A (en) | 2015-08-26 | 2015-08-26 | High-voltage wall feed-through sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510536131.6A CN105186416A (en) | 2015-08-26 | 2015-08-26 | High-voltage wall feed-through sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105186416A true CN105186416A (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510536131.6A Pending CN105186416A (en) | 2015-08-26 | 2015-08-26 | High-voltage wall feed-through sleeve |
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| CN (1) | CN105186416A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1762362A1 (en) * | 1990-03-20 | 1992-09-15 | Центральный научно-исследовательский институт судовой электротехники и технологии | Method of air-tight cable laying through several lead-ins |
| CN201213214Y (en) * | 2008-06-27 | 2009-03-25 | 石家庄科林电气设备有限公司 | Through wall sleeve |
| CN201600599U (en) * | 2009-12-04 | 2010-10-06 | 河南科技大学 | Environmental humidity controller for closed cavities |
| CN103050895A (en) * | 2012-12-28 | 2013-04-17 | 山东科技大学 | Explosion-proof power supply box |
| CN203747333U (en) * | 2013-12-02 | 2014-07-30 | 国家电网公司 | Improved high-voltage wall bushing |
| CN204144741U (en) * | 2014-11-06 | 2015-02-04 | 枣庄力源电力设计有限公司 | A kind of waterproof switch cabinet |
-
2015
- 2015-08-26 CN CN201510536131.6A patent/CN105186416A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1762362A1 (en) * | 1990-03-20 | 1992-09-15 | Центральный научно-исследовательский институт судовой электротехники и технологии | Method of air-tight cable laying through several lead-ins |
| CN201213214Y (en) * | 2008-06-27 | 2009-03-25 | 石家庄科林电气设备有限公司 | Through wall sleeve |
| CN201600599U (en) * | 2009-12-04 | 2010-10-06 | 河南科技大学 | Environmental humidity controller for closed cavities |
| CN103050895A (en) * | 2012-12-28 | 2013-04-17 | 山东科技大学 | Explosion-proof power supply box |
| CN203747333U (en) * | 2013-12-02 | 2014-07-30 | 国家电网公司 | Improved high-voltage wall bushing |
| CN204144741U (en) * | 2014-11-06 | 2015-02-04 | 枣庄力源电力设计有限公司 | A kind of waterproof switch cabinet |
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Application publication date: 20151223 |
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| RJ01 | Rejection of invention patent application after publication |