WO2017122565A1 - 開閉装置 - Google Patents
開閉装置 Download PDFInfo
- Publication number
- WO2017122565A1 WO2017122565A1 PCT/JP2017/000108 JP2017000108W WO2017122565A1 WO 2017122565 A1 WO2017122565 A1 WO 2017122565A1 JP 2017000108 W JP2017000108 W JP 2017000108W WO 2017122565 A1 WO2017122565 A1 WO 2017122565A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- opening
- ventilator
- generated
- pressure
- housing
- 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.)
- Ceased
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
Definitions
- the present invention relates to an opening / closing device, and more particularly to an opening / closing device suitable for a device provided with a pressure release plate for releasing pressure when an internal arc is generated.
- a switch unit composed of a switchgear or the like installed in a switchgear casing generates heat during use (during normal operation), and therefore it is necessary to release the heat to the outside.
- switchgear units such as switchgear
- a pressure relief plate is provided on the ceiling of the housing that houses the unit, and measures are taken to release pressure when an internal arc occurs.
- Japanese Patent Application Laid-Open No. 2004-228561 discloses a heat release plate that discharges heat generated by the switch unit during normal operation to the outside and is provided with a pressure release plate as a countermeasure against pressure increase when an internal arc is generated.
- FIG. 6, and FIG. 7 of this patent document 1 are provided with an electric room exhaust port in the ceiling part of the electric room casing located above the switch gear, and the electric room exhaust port is provided from the ceiling part. Furthermore, it has a cylindrical portion that protrudes upward in a chimney shape and opens upward, and an electric chamber pressure relief plate is provided so as to close the opening from the top surface.
- the electric chamber pressure release plate is connected and locked to the outer surface of the ceiling of the electric chamber casing by a connecting member, and the cylindrical portion has a flange whose upper surface is opened outward in the horizontal direction, on the upper side of the side surface. Describes that a ventilation port (a plurality of slits or round holes) is formed.
- the air warmed by the heat generated by the electrical equipment inside the switchgear is discharged outside the electrical chamber from the ventilation port of the cylindrical portion of the electrical chamber exhaust port.
- the electric chamber pressure release plate opens upward due to the gas pressure, and high-temperature and high-pressure gas flows into the electric chamber from the gap formed between the upper surface of the flange of the cylindrical portion and the electric chamber pressure plate temporary surface. It is released to the outside.
- a chimney shape protrudes further upward from the ceiling portion of the electric room casing at the electric room exhaust port, and ventilation holes (a plurality of slits or round holes) are formed on the upper side of the side surface.
- An electrical chamber pressure relief plate is provided so as to close the opening from the top, but when an internal arc occurs, high-temperature and high-pressure gas is ventilated (multiple slits or round holes)
- the electric chamber pressure release plate opens upwards due to gas pressure, and there is a gap between the flange upper surface of the cylindrical portion and the electric chamber pressure plate temporary surface. Since it is necessary to form the gap, the height of the housing is increased, and the entire apparatus may be increased in size.
- the present invention has been made in view of the above points, and an object of the present invention is to provide an opening / closing device that prevents outflow of high-temperature / high-pressure gas from the ventilation port when an internal arc is generated to the outside and that can be downsized. It is to provide.
- the switchgear has at least a switch unit housed in a housing, and communicates with the top of the housing through the opening.
- the ventilator warms air after cooling the switch unit with outside air sucked from an air inlet provided at a lower side of the housing. It is installed so as to cover the exhaust vent and the opening formed above the ventilator.
- a pressure relief plate that discharges to the outside, and a shield plate that prevents the outflow of high-temperature and high-pressure gas generated when an internal arc occurs from the ventilation port is installed on the inside of the ventilation port.
- an opening / closing device that prevents the high temperature / high pressure gas from flowing out of the ventilation port when an internal arc occurs, and that can be downsized.
- Example 1 of the switchgear of this invention It is sectional drawing which shows the whole structure of Example 1 of the switchgear of this invention. It is a schematic diagram of the state at the time of normal operation, showing a schematic configuration of the ventilator in FIG. It is a schematic diagram which shows the schematic structure of the ventilator in FIG. 1, and shows the state at the time of internal arc generation
- FIG. 1, FIG. 2 and FIG. 3 show the overall configuration of Embodiment 1 of the switchgear according to the present invention.
- the switchgear 1 has at least a switch unit 3 housed in a housing 2 and is disposed above the housing 2 via the housing 2 and an opening 4a. And the ventilator 4 communicating with each other.
- the housing 2 includes a circuit breaker unit 6 in which a switchgear unit 3 such as a switch gear and an operation device 5 for operating the switchgear unit 3 are housed, It is divided into a cable room 8 in which a cable 7 connected to the switch unit 3 is accommodated, and a control room 9 in which a control device (not shown) is accommodated.
- the opening / closing apparatus 1 shown in FIG. 1 is the front side on the right side of FIG. 1, and is provided with an opening / closing door 10 in which instruments and operation units are arranged.
- the ventilator 4 is sucked from an intake port 11 a (see FIG. 1) provided at a lower side portion of the housing 2 (lower portion of the opening / closing door 10) during normal operation.
- Ventilation ports for example, a plurality of small holes or slits 13 for discharging warmed air (arrow 12a) after cooling the switch unit 3 with outside air, and openings formed above the ventilator 4
- the pressure relief plate 14 is installed so as to cover the portion 4a and releases the high-temperature / high-pressure gas 18 generated when the internal arc is generated by releasing the gas pressure to the outside when the internal arc is generated.
- an intake port 11b for sucking outside air is provided at the lower part of the cable chamber 8 and the intake port 11a receives air from the intake port 11a at a position facing the intake port 11a of the frame body 17a that partitions the circuit breaker chamber 6 and the control chamber 9.
- An intake port 11c that leads into the circuit breaker chamber 6 is provided.
- an exhaust port 16b that guides the outside air sucked into the cable chamber 8 from the air intake port 11b to the ventilator 4 from the circuit breaker chamber 6b.
- the pressure relief plate 14 is formed with a weak point portion (a portion that can be easily removed) so that the high-temperature and high-pressure gas 18 can be discharged to the outside when an internal arc is generated, and an opening formed above the ventilator 4 with a bolt or the like. It is fixed so as to cover 4a.
- a shield plate 15 for preventing the high temperature / high pressure gas 18 generated when an internal arc is generated from flowing out from the ventilation port 13 is installed inside the ventilation port 13.
- the shield plate 15 is sized to block the ventilation opening 13 and is fixed to the ceiling plate above the ventilator 4 by screwing or welding to form an opening 4 a that is a communication portion with the ventilator 4 of the housing 2.
- a portion of the cylindrical portion 2a is provided so as to wrap in the horizontal direction (lateral direction in FIG. 3).
- the outside air drawn from the intake port 11a is led to the circuit breaker chamber 6 through the intake port 11c, cools the switch unit 3, and warms after being cooled.
- the air (arrow 12a) is discharged to the outside through the ventilation port 13.
- the outside air sucked into the control chamber 9 from the intake port 11a cools the inside of the control chamber 9, and the warmed air (arrow 12c) after the cooling is made to the outside through the exhaust port 16a and the ventilation port 13. Discharged.
- the outside air sucked into the cable chamber 8 from the air inlet 11b cools the inside of the cable chamber 8, and the warmed air (arrow 12b) after the cooling passes outside through the exhaust port 16b and the ventilation port 13. Discharged.
- the weak point portion of the pressure release plate 14 is broken by the gas pressure and opened upward, and the high temperature / high pressure gas 18 is discharged from the open portion to the outside of the housing 2.
- the shield plate 15 is provided on the inner side of the ventilation port 13, the high temperature / high pressure gas 18 toward the ventilation port 13 is blocked by the shield plate 15 on the front side of the ventilation port 13. Therefore, the release to the outside of the housing 2 can be prevented.
- the present embodiment it is possible to prevent the high-temperature / high-pressure gas 18 from flowing out of the vent 13 to the outside when an internal arc is generated, and the electric chamber pressure release plate can be formed by gas pressure as in the prior art. Since there is no need to form a gap between the upper surface of the flange of the cylindrical portion for opening upward and the electric chamber pressure plate temporary surface, it is not necessary to increase the height of the housing 2 and the entire apparatus is enlarged. Therefore, it is possible to reduce the size.
- FIG. 4 shows a schematic configuration of the ventilator 4 in the second embodiment of the switchgear of the present invention, and is a view corresponding to FIG. 3 of the first embodiment.
- the shield plates 15a and 15b are two so as to be staggered in the horizontal direction (lateral direction in FIG. 4) (two in this embodiment, but about two to five). It is good if it exists).
- This one shield plate 15a is sized to block the ventilation opening 13, and is fixed to the ceiling plate above the ventilator 4 by screwing or welding, and the opening 4a which is a communication portion with the ventilator 4 of the housing 2 is formed. It is provided by wrapping with a part of the cylindrical portion 2a to be formed, and the other shield plate 15b is sized to block the ventilation port 13, and is fixed to the ceiling plate of the housing 2 by screwing or welding, A part of the shield plate 15a is provided so as to wrap in the horizontal direction (lateral direction in FIG. 4).
- the shielding effect of the high-temperature / high-pressure gas 18 can be achieved by using a plurality of shield plates provided in front of the ventilation port 13. The reliability can be improved.
- this invention is not limited to an above-described Example, Various modifications are included.
- the above-described embodiments have been described in detail for easy understanding of the present invention, and are not necessarily limited to those having all the configurations described.
- a part of the configuration of one embodiment can be replaced with the configuration of another embodiment, and the configuration of another embodiment can be added to the configuration of one embodiment.
- Switch apparatus 2 ... Housing, 2a ... Cylindrical part, 3 ... Switch unit, 4 ... Ventilator, 4a ... Opening part, 5 ... Operation device, 6 ... Breaker room, 7 ... Cable, 8 ... Cable room , 9 ... Control room, 10 ... Open / close door, 11a, 11b, 11c ... Inlet, 12a, 12b, 12c ... Flow of warmed air, 13 ... Ventilation port, 14 ... Relief plate, 15, 15a, 15b ... Shield Plate, 16a, 16b ... exhaust port, 17a, 17b ... frame, 18 ... high temperature / high pressure gas.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Patch Boards (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Ventilation (AREA)
- Air-Flow Control Members (AREA)
Abstract
Description
例えば、上記した実施例は本発明を分かりやすく説明するために詳細に説明したものであり、必ずしも説明した全ての構成を備えるものに限定されるものではない。また、ある実施例の構成の一部を他の実施例の構成に置き換えることが可能であり、また、ある実施例の構成に他の実施例の構成を加えることも可能である。また、各実施例の構成の一部について、他の構成の追加・削除・置換をすることが可能である。
Claims (5)
- 筐体の内部に少なくとも開閉器ユニットが収納されていると共に、前記筐体の上部に、該筐体と開口部を介して連通しているベンチレータを有し、
前記ベンチレータは、通常運転時には、前記筐体の側方下部に設けられている吸気口から吸気された外気で前記開閉器ユニットを冷却した後の温められた空気を外部に排出する換気口と、前記ベンチレータの上方に形成されている前記開口部を覆うように設置され、内部アーク発生時には、該内部アーク発生時に発生する高温・高圧ガスを、そのガス圧により開放されて外部に放出する放圧板とを備え、前記換気口の内部側には、内部アーク発生時に発生する高温・高圧ガスの前記換気口からの流出を防止するシールド板が設置されていることを特徴とする開閉装置。 - 請求項1に記載の開閉装置において、
前記シールド板は、前記換気口を塞ぐ大きさであることを特徴とする開閉装置。 - 請求項1又は2に記載の開閉装置において、
前記シールド板は、複数枚設置されていることを特徴とする開閉装置。 - 請求項3に記載の開閉装置において、
複数枚設置されている前記シールド板は、水平方向に互い違いとなるように設置されていることを特徴とする開閉装置。 - 請求項1乃至4のいずれか1項に記載の開閉装置において、
前記換気口は、複数の小孔或いはスリットから成ることを特徴とする開閉装置。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17738320.5A EP3404783A4 (en) | 2016-01-12 | 2017-01-05 | CONTROL DEVICE |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016003137A JP6645836B2 (ja) | 2016-01-12 | 2016-01-12 | 開閉装置 |
| JP2016-003137 | 2016-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2017122565A1 true WO2017122565A1 (ja) | 2017-07-20 |
Family
ID=59310985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2017/000108 Ceased WO2017122565A1 (ja) | 2016-01-12 | 2017-01-05 | 開閉装置 |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3404783A4 (ja) |
| JP (1) | JP6645836B2 (ja) |
| WO (1) | WO2017122565A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115296165A (zh) * | 2022-07-22 | 2022-11-04 | 江苏扬天智慧科技股份有限公司 | 一种具有散热结构的弱电智能化控制柜 |
| CN116073260A (zh) * | 2022-11-10 | 2023-05-05 | 东营金丰正阳科技发展有限公司 | 一种户外直流母线群控装置 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546536B (zh) * | 2018-12-19 | 2021-10-22 | 河南平高通用电气有限公司 | 一种开关柜 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05191906A (ja) * | 1992-01-10 | 1993-07-30 | Fuji Electric Co Ltd | 屋外形配電盤の放圧装置 |
| WO2013099393A1 (ja) * | 2011-12-27 | 2013-07-04 | 三菱電機株式会社 | 電気室 |
| WO2014029826A1 (en) * | 2012-08-22 | 2014-02-27 | Abb Technology Ag | Arc resistant ventilation system for switchgear |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3840240C2 (de) * | 1988-11-29 | 1998-03-12 | Elef Svenska Elverkens Ekonomi | Druckentlastungsvorrichtung an Gebäuden |
| EP2515399A1 (en) * | 2011-04-18 | 2012-10-24 | ABB Technology AG | Protection filter assembly for a switchgear panel and switchgear panel comprising the same |
| FR2993719B1 (fr) * | 2012-07-17 | 2014-07-04 | Schneider Electric Ind Sas | Enveloppe de protection electrique comportant un volet mobile d'evacuation de gaz |
| US9117607B2 (en) * | 2012-12-14 | 2015-08-25 | Schneider Electric USA, Inc. | Muffler for enhanced arc protection |
-
2016
- 2016-01-12 JP JP2016003137A patent/JP6645836B2/ja active Active
-
2017
- 2017-01-05 EP EP17738320.5A patent/EP3404783A4/en not_active Withdrawn
- 2017-01-05 WO PCT/JP2017/000108 patent/WO2017122565A1/ja not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05191906A (ja) * | 1992-01-10 | 1993-07-30 | Fuji Electric Co Ltd | 屋外形配電盤の放圧装置 |
| WO2013099393A1 (ja) * | 2011-12-27 | 2013-07-04 | 三菱電機株式会社 | 電気室 |
| WO2014029826A1 (en) * | 2012-08-22 | 2014-02-27 | Abb Technology Ag | Arc resistant ventilation system for switchgear |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP3404783A4 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115296165A (zh) * | 2022-07-22 | 2022-11-04 | 江苏扬天智慧科技股份有限公司 | 一种具有散热结构的弱电智能化控制柜 |
| CN115296165B (zh) * | 2022-07-22 | 2023-09-26 | 江苏扬天智慧科技股份有限公司 | 一种具有散热结构的弱电智能化控制柜 |
| CN116073260A (zh) * | 2022-11-10 | 2023-05-05 | 东营金丰正阳科技发展有限公司 | 一种户外直流母线群控装置 |
| CN116073260B (zh) * | 2022-11-10 | 2023-10-31 | 东营金丰正阳科技发展有限公司 | 一种户外直流母线群控装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3404783A1 (en) | 2018-11-21 |
| EP3404783A4 (en) | 2019-09-25 |
| JP2017125619A (ja) | 2017-07-20 |
| JP6645836B2 (ja) | 2020-02-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4979767B2 (ja) | 金属閉鎖形スイッチギヤ | |
| JP5837093B2 (ja) | 電気室 | |
| CN103794988B (zh) | 送气组件 | |
| JP6143990B1 (ja) | ガス絶縁開閉装置 | |
| JP6589295B2 (ja) | 電力変換装置 | |
| US9478951B2 (en) | Method for treating internal arcs | |
| US20170063052A1 (en) | Arresting System Usable With Arc-Resistant Electrical Enclosure | |
| CN109830392B (zh) | 低压多极断路器 | |
| CN112154581B (zh) | 气体绝缘开闭装置 | |
| CN105914640A (zh) | 一种具有排气系统的开关装置封壳 | |
| WO2017122565A1 (ja) | 開閉装置 | |
| CN102263380B (zh) | 具有改进的电弧保护组件的电开关装置面板 | |
| WO2018055830A1 (ja) | スイッチギヤ | |
| CN102842857A (zh) | 一种开关装置 | |
| ES2818987T3 (es) | Estructura de ventilación de gas de arco de interruptor de circuito de aire | |
| CN111095702B (zh) | 配电盘和电弧能量中断装置 | |
| EP3637568B1 (en) | Housing of electrical equipment | |
| NO332561B1 (no) | Elektrisk koblingsutstyr for hoy- eller mellomspenning | |
| JP5944083B1 (ja) | スイッチギヤ | |
| KR100311533B1 (ko) | 회로 차단기의 통기장치 | |
| CN215342477U (zh) | 一种断路器的灭弧室 | |
| US20250087976A1 (en) | Switchgear duct | |
| JP2025041540A (ja) | スイッチギアダクト | |
| CN106329340A (zh) | 耐电弧的高压开关柜 | |
| JP2022169947A (ja) | スイッチギヤ |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 17738320 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2017738320 Country of ref document: EP |
|
| ENP | Entry into the national phase |
Ref document number: 2017738320 Country of ref document: EP Effective date: 20180813 |
|
| WWW | Wipo information: withdrawn in national office |
Ref document number: 2017738320 Country of ref document: EP |