CN101483321B - Enclosed switch cabinet capable of directly electricity check - Google Patents
Enclosed switch cabinet capable of directly electricity check Download PDFInfo
- Publication number
- CN101483321B CN101483321B CN2008100711671A CN200810071167A CN101483321B CN 101483321 B CN101483321 B CN 101483321B CN 2008100711671 A CN2008100711671 A CN 2008100711671A CN 200810071167 A CN200810071167 A CN 200810071167A CN 101483321 B CN101483321 B CN 101483321B
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- electricity
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- explosion
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- 230000005611 electricity Effects 0.000 title abstract 13
- 238000012795 verification Methods 0.000 claims description 41
- 239000002775 capsule Substances 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 2
- 238000004880 explosion Methods 0.000 abstract 5
- 230000002265 prevention Effects 0.000 abstract 4
- 239000002184 metal Substances 0.000 description 6
- 230000033228 biological regulation Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005474 detonation Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The present invention discloses a closed switch cabinet that can directly check electricity, an electricity checking window is set on a cable house door; the electricity checking window is closed by an electricity checking wicket that can be opened; a explosion preventing small box is set on the side of the cable house door facing cable house inside, and the explosion prevention small box is located at the rear part of the electricity checking window with front end open and a hole corresponding to the electricity checking window is provided on the rear end; the hole closed by a valve that can be opened inward the cable house or be pushed laterally. When checking electricity, maintainers can open the electricity checking wicket, open the valve inward, extend the electroscope into the cable house for electricity check through the electricity checking window and hole on the explosion prevention small box; close a earthing device and open the cable house door when cable is assured with no electricity so as to ensure personnel safety of maintainers. The dispose of the explosion prevention small box can avoid cable house door from reducing explosion prevention capability; the valve is designed to be opened inward can ensure that deflagrated gas will not open the electricity checking wicket and threaten personnel safety when short circuit fault occurred inside the cabinet.
Description
Technical field
The present invention relates to a kind of directly closed switch cabinet of electrical verification, particularly a kind of metal armouring middle closed switch cabinet of directly electrical verification.
Background technology
Electrical verification problem with closed switch cabinet interruption maintenance of blocking function is one and perplexs the problem that electric power safety is produced for many years.On the one hand, personal safety in order to ensure the service work personnel, the power switch cabinet interruption maintenance must be undertaken by the requirement of electric power safety working regulation, correct operating sequence is: the maintainer adopts the exposed part of the outlet cable in the electroscope contact-making switch cabinet cable vault, whether charged with the checking cable, confirming under the uncharged situation that the earthing device that closes makes needs the maintenance partial earthing, overhauls then.On the other hand, be full closeding state owing to have the closed switch cabinet of blocking function, the electrical verification operation must be opened cable vault's door and just can be carried out, and form latching relation between cable vault's door switching of switch cubicle and the earthing device, only the Men Caike of cable vault opens when earthing device closes, and can't carry out the electrical verification operation according to the requirement of rules.Therefore release by force having occurred opens the mode that cable vault's door carries out electrical verification, brings potential safety hazard.
In order to address the above problem, existing closed switch cabinet is equipped with induction type electric usually and shows device, comes the electriferous state of indicator cock cabinet circuit by the indicator light of electrification display.Yet, judge that by electrification display no-voltage is arranged merely, can not guarantee reliability and fail safe.
Summary of the invention
The purpose of this invention is to provide a kind of improved closed switch cabinet, it can be implemented in not open and carry out the direct contact type electrical verification under cable vault's door situation easily.
For this reason, the directly closed switch cabinet of electrical verification provided by the invention is characterized in that: offer the electrical verification window on cable vault's door, this electrical verification window is sealed by openable electrical verification wicket; Door side in the cable vault in cable vault's is provided with explosion-proof capsule, this explosion-proof capsule is positioned at electrical verification window rear, and the perforate relative with the electrical verification window that its front end is uncovered, rear end face has, described perforate is by valve that can be flipped open in the cable vault or the valve sealing that can open to the side push-and-pull.
The directly closed switch cabinet of electrical verification provided by the invention has following beneficial effect:
When needing electrical verification, the maintainer can open electrical verification wicket, and the valve or push wicket open to the side of inwardly being flipped open, electroscope is stretched into the cable vault by the perforate of electrical verification window, explosion-proof capsule carry out electrical verification, confirm cable close after not charged earthing device, open cable vault's door, operation meets the requirement of electric power safety working regulation, can guarantee service work personnel's personal safety.
Explosion-proof ability reduced after the setting of explosion-proof capsule can avoid cable vault's door to offer the electrical verification window.This design is through specialized laboratory's test, and explosion-proof performance meets the requirements.
Valve is designed to be flipped open in the cable vault or push open to the side, when being short-circuited fault in the cabinet, air pressure in the cabinet can be pressed on valve on the explosion-proof capsule rear end face, the gas of detonation can't pass through valve, therefore can not wash the opened electrical verification wicket on cable vault's door open, thereby threaten personal safety.
Below, by specific embodiment the present invention is described in detail in conjunction with the accompanying drawings.
Description of drawings
Fig. 1 is the front schematic view of the metal armouring middle closed switch cabinet of directly electrical verification provided by the invention.
Fig. 2 is the side cut-away diagram of metal armouring middle closed switch cabinet shown in Figure 1, and its internal structure is shown.
Fig. 3 is the local enlarged diagram of A part of metal armouring middle closed switch cabinet shown in Figure 2.
Fig. 4 is the schematic diagram along B direction among Fig. 3.
Embodiment
Referring to figs. 1 through Fig. 4, metal armouring middle closed switch cabinet, its cabinet inside is divided into breaker chamber 1,3 three unit of bus-bar room 2 and cable vault, and three unit are separated fully by metal partion (metp), and are sealed by openable chamber door.Cabinet body structure and each Elementary Function all are known, do not give unnecessary details at this.
Improvement of the present invention is at cable vault's door section.Specifically comprise:
On cable vault's door 4, offer electrical verification window 41, and the openable electrical verification wicket 5 that is hinged, after closing, electrical verification wicket 5 can seal this electrical verification window 41.
Fixedly install an explosion-proof capsule 6 on the side at cable vault's door in the cable vault, explosion-proof capsule 6 is positioned at electrical verification window 41 rears, the perforate 61 relative with electrical verification window 41 that its front end is uncovered, rear end face has.The setting of explosion-proof capsule 6 is to press closed switch cabinet for the cabinet door requirement of explosion-proof ability to be arranged in considering, after offering the electrical verification window on cable vault's door and electrical verification wicket 5 is set, thereby the explosion-proof ability at this position will reduce the barrier propterty that influences switch cubicle.Therefore, reach requirement by the explosion-proof capsule 6 that the box body shape is set to guarantee the explosion-proof ability of switch cubicle.
The rear end face of explosion-proof capsule 6 be hinged a turning unlatching valve 7 or adopt the mode of pushing open to the side, the perforate 61 that can seal explosion-proof capsule 6 after this valve 7 is closed.The area design of valve 7 becomes the area greater than the perforate 61 of explosion-proof capsule 6, makes valve 7 only can be flipped open in cable vault 3 or pushes open and can't outwards open to the side.Its benefit is: when being short-circuited fault in the cabinet, the air pressure in the cabinet can be pressed on valve 7 on explosion-proof capsule 6 rear end faces, and the gas of detonation can't pass through valve 7, therefore can not wash the opened electrical verification wicket 5 on cable vault's door 3 open, thereby threaten personal safety.
When needing electrical verification, the maintainer can open electrical verification wicket 5 and open valve 7, electroscope is stretched into the exposed part 8 of contact outlet cable in the cable vault 3 by the perforate 61 of electrical verification window 41, explosion-proof capsule 6, whether charged with the checking cable, confirm cable close after not charged earthing device, open cable vault's door 3, operation meets the requirement of electric power safety working regulation, can guarantee service work personnel's personal safety.
More than combine embodiment and describe the present invention, but this is not construed as limiting the invention.Any modifications and variations of having done under same design also all belong to the scope of protection of the invention.
Claims (2)
1. the direct closed switch cabinet of electrical verification, it is characterized in that: offer the electrical verification window on cable vault's door, this electrical verification window is sealed by openable electrical verification wicket; Door side in the cable vault in cable vault's is provided with explosion-proof capsule, this explosion-proof capsule is positioned at electrical verification window rear, and the perforate relative with the electrical verification window that its front end is uncovered, rear end face has, described perforate is by the valve sealing that can be flipped open in the cable vault or push open to the side.
2. the directly closed switch cabinet of electrical verification according to claim 1 is characterized in that: described valve is hinged at the rear end face of described explosion-proof capsule, and the area of described valve is greater than the area of the perforate of described explosion-proof capsule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100711671A CN101483321B (en) | 2008-05-30 | 2008-05-30 | Enclosed switch cabinet capable of directly electricity check |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100711671A CN101483321B (en) | 2008-05-30 | 2008-05-30 | Enclosed switch cabinet capable of directly electricity check |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101483321A CN101483321A (en) | 2009-07-15 |
| CN101483321B true CN101483321B (en) | 2010-11-24 |
Family
ID=40880307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100711671A Active CN101483321B (en) | 2008-05-30 | 2008-05-30 | Enclosed switch cabinet capable of directly electricity check |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101483321B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361244A (en) * | 2011-06-15 | 2012-02-22 | 宁波电业局 | Simple electricity testing device of 35-kV handcart switch |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331521B (en) * | 2011-06-15 | 2013-07-24 | 宁波电业局 | 10kV handcart switch simple electricity testing device |
| CN110416890A (en) * | 2019-04-03 | 2019-11-05 | 厦门市众慧悦和科技有限公司 | A kind of ontology and a kind of cabinet for being connected to attached article with interior space |
| CN111653968B (en) * | 2020-05-15 | 2021-10-22 | 国网浙江桐乡市供电有限公司 | Track type inspection equipment for power distribution room |
| CN116207653B (en) * | 2023-02-27 | 2023-09-08 | 江苏苏中开关厂有限公司 | Inflatable breaker cabinet |
-
2008
- 2008-05-30 CN CN2008100711671A patent/CN101483321B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361244A (en) * | 2011-06-15 | 2012-02-22 | 宁波电业局 | Simple electricity testing device of 35-kV handcart switch |
| CN102361244B (en) * | 2011-06-15 | 2013-06-12 | 宁波电业局 | Simple electricity testing device of 35-kV handcart switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101483321A (en) | 2009-07-15 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: QUANZHOU YIXING ELECTRIC POWER CO., LTD. Effective date: 20121226 Owner name: FUJIAN ELECTRIC POWER CO., LTD. FUJIAN PROVINCE EL Effective date: 20121226 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 362000 QUANZHOU, FUJIAN PROVINCE TO: 100031 DONGCHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121226 Address after: 100031 West Chang'an Avenue, Beijing, No. 86 Patentee after: State Grid Corporation of China Patentee after: Fujian Electric Power Co., Ltd. Patentee after: Fujian Province Electric Power Corporation Quanzhou Electric Power Bureau Patentee after: Quanzhou Yixing Electric Power Co., Ltd. Address before: 362000 Quanzhou economic and Technological Development Zone, Fujian, No. 5 neighborhood Patentee before: Quanzhou Yixing Electric Power Co., Ltd. |