CN105119214A - Humidity control high voltage wall bushing - Google Patents
Humidity control high voltage wall bushing Download PDFInfo
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- CN105119214A CN105119214A CN201510537452.8A CN201510537452A CN105119214A CN 105119214 A CN105119214 A CN 105119214A CN 201510537452 A CN201510537452 A CN 201510537452A CN 105119214 A CN105119214 A CN 105119214A
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- porcelain piece
- wall bushing
- voltage wall
- pump
- air guide
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Abstract
The invention discloses a humidity control high voltage wall bushing, belonging to the power supply system technology field. The high voltage wall bushing comprises a porcelain member provided with a circular through hole, a conductive bar, a metal end cap, an installation flange, a gas guiding valve, two gas guiding pipe and a pump. The humidity monitoring of the inside of the high voltage wall bushing is realized through the high voltage wall bushing provided with a humidity monitoring device, and the reduction of the humidity inside the high voltage wall bushing is realized through an air circulation device, which solves the problem that the humidity inside the high voltage wall bushing cannot be controlled. As a result, the humidity control high voltage wall bushing can quickly, timely and accurately reduce the humidity inside the high voltage wall bushing.
Description
Technical field
The invention belongs to electric power system technical field, be specifically related to a kind of high-voltage wall bushing of humid control.
Background technology
High-voltage wall bushing is called again high pressure wall pipe, water string, wall pre-embedded pipe, on its three-phase alternating current system power station being applicable to rated voltage and frequency and electric substation's power distribution equipment, for current-carrying part through dividing plate, wall or other ground connection thing, play the use that insulation support is fixedly connected with between outer lead or bus.High-voltage wall bushing is made up of porcelain piece, metal-ware, mounting flange and busbar.Because high-voltage wall bushing is not complete hermetically-sealed construction, so the air outside high-voltage wall bushing can enter in high pressure wall pipe, because the humidity of the air in the external world is in variable condition, the air humidity in high-voltage wall bushing will be caused to change.Because air humidity is larger, it is ionized, the possibility that punctures is larger, so need the humidity controlling air in high-voltage wall bushing.And existing high-voltage wall bushing does not propose effective solution to humid control, just strengthen the sealing of high-voltage wall bushing.
Summary of the invention
According to above the deficiencies in the prior art, technical problem to be solved by this invention is the high-voltage wall bushing proposing a kind of humid control, by high-voltage wall bushing, the monitoring of humidity control device realization to high-voltage wall bushing humidity is set, the reduction to high-voltage wall bushing humidity is realized by air circulation device, solve the out of contior problem of high-voltage wall bushing humidity, have comparatively fast, the humidity reduced in time and accurately in high-voltage wall bushing.
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 of humid control, 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, two wireways 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, wireway is also provided with dehydrating unit, 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 for be communicated with outside porcelain piece by porcelain piece.The other end of a wireway that one end is connected with the outer air guide valve inlet of porcelain piece is connected with the gas outlet of pump, and the other end of another root wireway that one end is connected with the outer air guide valve export of porcelain piece is connected with the air entry of pump.
Described dehydrating unit is arranged on two ends and connects respectively on the wireway of the gas outlet of air guide valve inlet and pump.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 humidity sensor measuring porcelain piece humidity 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 humidity 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 arranges the monitoring of humidity control device realization to high-voltage wall bushing humidity by high-voltage wall bushing, the reduction to high-voltage wall bushing humidity is realized by air circulation device, solve the out of contior problem of high-voltage wall bushing humidity, have comparatively fast, the humidity reduced in time and accurately in high-voltage wall bushing.
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 of humid control, this high-voltage wall bushing comprises porcelain piece 1, busbar 2, metal end 3, mounting flange 4, air guide valve 5, two wireways 6, dehydrating unit 7 and pumps.
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.The other end of a wireway 6 that one end is connected with porcelain piece 1 outer air guide valve 5 entrance is connected with the gas outlet of pump, and one end exports with the outer air guide valve 5 of porcelain piece 1 other end of another root wireway 6 be connected and is connected with the air entry of pump.In order to keep the maximum degree of drying of porcelain piece 1 inside, described dehydrating unit 7 is arranged on two ends and connects respectively on the wireway 6 of the gas outlet of air guide valve 5 entrance and pump.
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, the gas of blowout is made a gift to someone porcelain piece 1 in by wireway 6 through dehydrating unit 7 by pump again, and so forth, the object reducing air humidity in porcelain piece 1 is reached.
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 humidity sensor measuring porcelain piece 1 humidity 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 humidity sensor, controller judges whether to open pump according to the size receiving humidity value, when humidity value is large, opens pump, humidity 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 (9)
1. the high-voltage wall bushing of a humid control, 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) at porcelain piece (1) middle part, be arranged on the air guide valve (5) on metal end (3), two wireways (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, wireway (6) is also provided with dehydrating unit (7), described air guide valve (5) is one-way cock, the appearance of described porcelain piece (1) is provided with disk like fin, the communication direction of the upper air guide valve (5) arranged of metal end (3) of described porcelain piece (1) one end is be communicated with by porcelain piece (1) export-oriented porcelain piece (1), the communication direction of the upper air guide valve (5) arranged of metal end (3) of porcelain piece (1) other end is for being communicated with outward to porcelain piece (1) by porcelain piece (1).One end is connected with the gas outlet of pump with the other end of the wireway (6) that porcelain piece (1) outer air guide valve (5) entrance is connected, and the other end that one end exports with the outer air guide valve (5) of porcelain piece (1) another root wireway (6) be connected is connected with the air entry of pump.
2. the high-voltage wall bushing of humid control according to claim 1, is characterized in that: described dehydrating unit (7) is arranged on two ends and connects respectively on the wireway (6) of the gas outlet of air guide valve (5) entrance and pump.
3. the high-voltage wall bushing of humid control according to claim 1, 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.
4. the high-voltage wall bushing of humid control according to claim 3, is characterized in that: described water absorbing agent is the concentrated sulfuric acid.
5. the high-voltage wall bushing of humid control according to claim 3 or 4 any one, is characterized in that: the material of described bottle cap is fluorubber.
6. the high-voltage wall bushing of humid control according to claim 5, is characterized in that: the concentration of the described concentrated sulfuric acid is less than 98%.
7. the high-voltage wall bushing of humid control 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.
8. the high-voltage wall bushing of humid control according to claim 7, 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.
9. the high-voltage wall bushing of humid control according to claim 8, it is characterized in that: in described porcelain piece (1), be provided with the humidity sensor measuring porcelain piece (1) humidity, 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 humidity 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 |
|---|---|---|---|
| CN201510537452.8A CN105119214A (en) | 2015-08-26 | 2015-08-26 | Humidity control high voltage wall bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510537452.8A CN105119214A (en) | 2015-08-26 | 2015-08-26 | Humidity control high voltage wall bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105119214A true CN105119214A (en) | 2015-12-02 |
Family
ID=54667140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510537452.8A Pending CN105119214A (en) | 2015-08-26 | 2015-08-26 | Humidity control high voltage wall bushing |
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| Country | Link |
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| CN (1) | CN105119214A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992481A (en) * | 2017-04-25 | 2017-07-28 | 朱建新 | 66kV to 500kV voltage class wall bushing |
| EP3852123A1 (en) * | 2020-01-15 | 2021-07-21 | ABB Power Grids Switzerland AG | Air-cooled air-to-air bushing |
Citations (7)
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| CN200947533Y (en) * | 2006-09-15 | 2007-09-12 | 范凯 | Indoor-outdoor conductor wall-penetrated bushing |
| CN201126417Y (en) * | 2007-12-06 | 2008-10-01 | 中国石油化工股份有限公司 | Sample preprocessor for detecting used cutting fluid concentration |
| CN201600599U (en) * | 2009-12-04 | 2010-10-06 | 河南科技大学 | Environmental humidity controller for closed cavities |
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2015
- 2015-08-26 CN CN201510537452.8A patent/CN105119214A/en active Pending
Patent Citations (7)
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| CN200947533Y (en) * | 2006-09-15 | 2007-09-12 | 范凯 | Indoor-outdoor conductor wall-penetrated bushing |
| CN201126417Y (en) * | 2007-12-06 | 2008-10-01 | 中国石油化工股份有限公司 | Sample preprocessor for detecting used cutting fluid concentration |
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Non-Patent Citations (1)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992481A (en) * | 2017-04-25 | 2017-07-28 | 朱建新 | 66kV to 500kV voltage class wall bushing |
| EP3852123A1 (en) * | 2020-01-15 | 2021-07-21 | ABB Power Grids Switzerland AG | Air-cooled air-to-air bushing |
| 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 |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151202 |
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| RJ01 | Rejection of invention patent application after publication |