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CN101834413B - Gas chamber of aeration cabinet - Google Patents

Gas chamber of aeration cabinet Download PDF

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Publication number
CN101834413B
CN101834413B CN200910025912A CN200910025912A CN101834413B CN 101834413 B CN101834413 B CN 101834413B CN 200910025912 A CN200910025912 A CN 200910025912A CN 200910025912 A CN200910025912 A CN 200910025912A CN 101834413 B CN101834413 B CN 101834413B
Authority
CN
China
Prior art keywords
air chamber
insulating gas
gas
chamber
concentration
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
Application number
CN200910025912A
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Chinese (zh)
Other versions
CN101834413A (en
Inventor
马爱国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yangzhou Beichen Electric Group Co ltd
State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Yangzhou Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Original Assignee
Yangzhou Beichen Electric Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yangzhou Beichen Electric Equipment Co Ltd filed Critical Yangzhou Beichen Electric Equipment Co Ltd
Priority to CN200910025912A priority Critical patent/CN101834413B/en
Publication of CN101834413A publication Critical patent/CN101834413A/en
Application granted granted Critical
Publication of CN101834413B publication Critical patent/CN101834413B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

一种充气柜气室。涉及一种开关设备。包括内置高压元件的内气室和设置在内气室外的外气室，内、外气室内均充有SF6绝缘气体。本发明的气室采用双层结构，且在两层内均充有SF6绝缘气体，有效的保护了内气室的SF6绝缘气体长期保持在一个合适的范围，同时本发明的优先方式为外气室内的SF6绝缘气体浓度高于内气室内的SF6绝缘气体浓度，由于气体总是从高密度往低密度渗透，故此种充气方式能较好的抑制内气室内的SF6绝缘气体外漏，进一步的提高了气室的密封性能。

Figure 200910025912

An air chamber of an inflatable cabinet. A switchgear is involved. It includes an inner air chamber with built-in high-voltage components and an outer air chamber arranged outside the inner air chamber, both of which are filled with SF6 insulating gas. The gas chamber of the present invention adopts a double-layer structure, and both layers are filled with SF6 insulating gas, which effectively protects the SF6 insulating gas in the inner gas chamber and maintains it in a suitable range for a long time, and the preferred method of the present invention is external air The concentration of SF6 insulating gas in the chamber is higher than the concentration of SF6 insulating gas in the inner air chamber. Since the gas always permeates from high density to low density, this inflation method can better inhibit the leakage of SF6 insulating gas in the inner air chamber. The sealing performance of the air chamber is improved.

Figure 200910025912

Description

A kind of gas chamber of aeration cabinet
Technical field
The present invention relates to a kind of switchgear, relate in particular to a kind of gas chamber of aeration cabinet.
Background technology
The inflation cabinet is that all high voltage devices such as bus, circuit breaker, on-load switch, isolating switch and instrument transformer etc. are enclosed in the sealed air chamber, is filled with the SF6 insulating gas in the sealed air chamber, because its sealing; Built-in high voltage device does not receive the influence of external environment, like condensation, filth, toy and chemical substance etc., safe ready; Few maintenance even non-maintaining; Can be used on the abominable place of environment,, dwindled the overall dimension of inflation cabinet greatly because the SF6 gas that is filled has the good insulation performance performance; Help being convenient to transportation and installation towards the miniaturization development.
In the production process of inflation cabinet, the sealing property of sealed air chamber is one of them crucial parameter, and the year leak rate that by and large should satisfy SF6 gas remains on below 0.5%; Present air chamber adopts single layer structure, is about to high voltage device and is built in one or two individual layer sealed air chamber about 30 years useful life for built-in high voltage device; Because the gap that air chamber exists welding, assembling to produce, and the aging gap that is produced of potted component inevitably can produce gas leakage; SF6 insulating gas in the sealed air chamber is outwards oozed out, and the indoor infiltration of air outside vigor, because manufacturer is numerous; Technical force limited; Also there is very big difference in the sealing property of air chamber, causes in the market that only a few producer just can produce up-to-standard product, and some underproof product comes into the market; Bring very big potential safety hazard to the user, just become a very important research direction so how to produce a kind of gas chamber of aeration cabinet simple in structure, good seal performance.
Summary of the invention
The present invention is directed to above-mentioned defective, purpose is to provide a kind of simple in structure, gas chamber of aeration cabinet that sealing property is excellent.
Technical scheme of the present invention is: the present invention includes the interior air chamber and the outer air chamber that is arranged on outside the interior air chamber of built-in high voltage device, all be filled with the SF6 insulating gas in the inside and outside air chamber.
SF6 insulating gas concentration in the concentration of the SF6 insulating gas in the outer air chamber of the present invention is higher than in the air chamber.
Outer air chamber is provided with inflation inlet.
Air chamber of the present invention adopts double-decker; And in two-layer, all be filled with the SF6 insulating gas; Effectively protected the SF6 insulating gas of interior air chamber to remain on a suitable scope for a long time; Mode of priority of the present invention is the SF6 insulating gas concentration in the air chamber in the interior SF6 insulating gas concentration of outer air chamber is higher than simultaneously; Because the gas infiltration from high density toward low-density always, the SF6 insulating gas in the air chamber leaks outside in the inflation mode ability better inhibited so plant, and has further improved the sealing property of air chamber.
Description of drawings
Fig. 1 is a structural representation of the present invention
1 is that outer air chamber, 2 is that interior air chamber, 3 is high voltage device among the figure.
Embodiment
The present invention includes the interior air chamber 2 and the outer air chamber 1 that is arranged on outside the interior air chamber 2 of built-in high voltage device 3, all be filled with the SF6 insulating gas in the inside and outside air chamber; SF6 insulating gas concentration in the concentration of the SF6 insulating gas in the outer air chamber 1 is higher than in the air chamber 2; Outer air chamber 1 is provided with inflation inlet.
Below in conjunction with accompanying drawing the present invention is done further explanation:
The present invention is built in various high voltage devices 3 in the interior air chamber; Because the arrangement of SF6 gas; The SF6 insulating gas of air chamber 2 remains on suitable concentration for a long time in making, and in order further to guarantee the concentration of the gas in the air chamber, outer air chamber 1 of the present invention is established inflation inlet simultaneously; Can pour the SF6 insulating gas in the air chamber 1 outward as required at any time; To guarantee that at any time outer air chamber 1 interior SF6 insulating gas is higher than the SF6 insulating gas concentration in the interior air chamber 2, with exosmosing of the SF6 insulating gas in the air chamber in suppressing 2, interior air chamber 2 of the present invention is a full-closed structure.

Claims (2)

1.一种充气柜气室，其特征在于，包括内置高压元件的内气室和设置在内气室外的外气室，内、外气室内均充有SF6绝缘气体，外气室设有充气口。1. A kind of inflatable cabinet air chamber, it is characterized in that, comprise the inner air chamber of built-in high voltage element and be arranged on the outer air chamber outside the inner air chamber, all be filled with SF6 insulating gas in the inner and outer air chamber, the outer air chamber is provided with inflatable mouth. 2.根据权利要求1所述的一种充气柜气室，其特征在于，外气室内的SF6绝缘气体的浓度高于内气室内的SF6绝缘气体浓度。2. The air chamber of an inflatable cabinet according to claim 1, wherein the concentration of the SF6 insulating gas in the outer air chamber is higher than the concentration of the SF6 insulating gas in the inner air chamber.
CN200910025912A 2009-03-13 2009-03-13 Gas chamber of aeration cabinet Expired - Fee Related CN101834413B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200910025912A CN101834413B (en) 2009-03-13 2009-03-13 Gas chamber of aeration cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200910025912A CN101834413B (en) 2009-03-13 2009-03-13 Gas chamber of aeration cabinet

Publications (2)

Publication Number Publication Date
CN101834413A CN101834413A (en) 2010-09-15
CN101834413B true CN101834413B (en) 2012-09-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN200910025912A Expired - Fee Related CN101834413B (en) 2009-03-13 2009-03-13 Gas chamber of aeration cabinet

Country Status (1)

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CN (1) CN101834413B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2574270Y (en) * 2002-10-08 2003-09-17 李彤 Sulfur hexafluoride gas insulation metal sealed switchgear
CN2894013Y (en) * 2006-02-24 2007-04-25 广东省顺德开关厂有限公司 Single-air chamber gas insulation metal sealed switch equipment
CN201174536Y (en) * 2008-04-07 2008-12-31 广东省顺德开关厂有限公司 Dual air chamber air insulated metal sealed switch apparatus
CN201289977Y (en) * 2009-03-13 2009-08-12 扬州北辰电气设备有限公司 Aeration cabinet air chamber

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2574270Y (en) * 2002-10-08 2003-09-17 李彤 Sulfur hexafluoride gas insulation metal sealed switchgear
CN2894013Y (en) * 2006-02-24 2007-04-25 广东省顺德开关厂有限公司 Single-air chamber gas insulation metal sealed switch equipment
CN201174536Y (en) * 2008-04-07 2008-12-31 广东省顺德开关厂有限公司 Dual air chamber air insulated metal sealed switch apparatus
CN201289977Y (en) * 2009-03-13 2009-08-12 扬州北辰电气设备有限公司 Aeration cabinet air chamber

Also Published As

Publication number Publication date
CN101834413A (en) 2010-09-15

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Owner name: YANGZHOU POWER SUPPLY CO., JIANGSU PROV ELECTRIC P

Effective date: 20121206

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 225009 YANGZHOU, JIANGSU PROVINCE TO: 225000 YANGZHOU, JIANGSU PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20121206

Address after: 225000 No. 58 Hung Road, Jiangsu, Yangzhou

Patentee after: YANGZHOU BEICHEN ELECTRICAL EQUIPMENT CO.,LTD.

Patentee after: YANGZHOU POWER SUPPLY COMPANY OF JIANGSU ELECTRICPOWER Co.

Patentee after: JIANGSU ELECTRIC POWER Co.

Patentee after: State Grid Corporation of China

Address before: 225009 No. 58 Hung Road, Yangzhou Development Zone, Jiangsu, China

Patentee before: YANGZHOU BEICHEN ELECTRICAL EQUIPMENT CO.,LTD.

CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 225000 No. 58 Hung Road, Jiangsu, Yangzhou

Co-patentee after: YANGZHOU POWER SUPPLY COMPANY OF JIANGSU ELECTRICPOWER Co.

Patentee after: YANGZHOU BEICHEN ELECTRIC GROUP CO.,LTD.

Co-patentee after: JIANGSU ELECTRIC POWER Co.

Co-patentee after: State Grid Corporation of China

Address before: 225000 No. 58 Hung Road, Jiangsu, Yangzhou

Co-patentee before: YANGZHOU POWER SUPPLY COMPANY OF JIANGSU ELECTRICPOWER Co.

Patentee before: YANGZHOU BEICHEN ELECTRICAL EQUIPMENT CO.,LTD.

Co-patentee before: JIANGSU ELECTRIC POWER Co.

Co-patentee before: State Grid Corporation of China

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120905

CF01 Termination of patent right due to non-payment of annual fee