CN103219664A - Armour type metal closed switch cabinet with voltage transformer handcart - Google Patents
Armour type metal closed switch cabinet with voltage transformer handcart Download PDFInfo
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- CN103219664A CN103219664A CN2012105685148A CN201210568514A CN103219664A CN 103219664 A CN103219664 A CN 103219664A CN 2012105685148 A CN2012105685148 A CN 2012105685148A CN 201210568514 A CN201210568514 A CN 201210568514A CN 103219664 A CN103219664 A CN 103219664A
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- handcart
- main bus
- voltage transformer
- isolating switch
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Abstract
The invention provides an armour type metal closed switch cabinet with a voltage transformer handcart. A handcart chamber of the armour type metal closed switch cabinet with the voltage transformer handcart is provided with a voltage transformer handcart, and a disconnector chamber of the armour type metal closed switch cabinet with the voltage transformer handcart is provided with a bypass disconnector. A handcart chamber decompressing plate is arranged on the handcart chamber. A disconnector chamber decompressing plate is arranged on the disconnector chamber. A main bus chamber decompressing plate is arranged on a main bus chamber. The handcart chamber, the disconnector chamber and the main bus chamber are respectively provided with an electric arc airflow decompressing channel. Openings of electric arc airflow decompressing channels are formed in the top of an armour type metal closed switch cabinet body. A fixed contact of the voltage transformer handcart is connected with a main bus in the main bus chamber through a first connecting copper bar. The main bus passes by a wall penetrating sleeve, and is connected with the bypass disconnector through a second connecting copper bar at the same time. The bypass disconnector is connected with an interbus through a third connecting copper bar. The armour type metal closed switch cabinet with the voltage transformer handcart has the advantages that corrosion prevention performance is good, safety performance and a high integration degree are achieved due to the fact that a high voltage and a control low voltage in the armour type metal closed switch cabinet with the voltage transformer chamber are separated through the steel plates, a function of avoiding error interlocking is achieved, installation is simple and convenient, a safety margin is increased by more than 15%, and a bus needs less maintenance or is maintenance-free.
Description
Technical field
The present invention relates to a kind of cabinet, particularly a kind of armored metal closed switch cabinet that has the voltage transformer handcart.This product is applicable to electric railway 27.5kV traction substation, switching station and section post, is the load current that is used for being switched on or switched off the railway locomotive pulliung circuit, and the excision faulty line guarantees that the locomotive traction circuit all is in normal operating condition all the time.
Background technology
At present, the general fast Traction Substation of Electric Railway 27.5kV equipment of China all adopts comparatively traditional net grid arrangement at interval, and promptly various single devices are arranged in respectively in the net grid interval hyperbaric chamber in.This arrangement makes equipment room wiring complexity, and device integration is low, and floor space and requisite space are big, the installing engineering amount is big, and the equipment debugging process is loaded down with trivial details, long construction period, the operation maintenance workload is big, and security reliability is relatively low, and can not satisfy GB GB3906-2006 specification requirement.
Along with the Large scale construction and the railway system continuous development of the reform of China's electric railway, requirements at the higher level have been proposed for the miniaturization of traction power supply equipment, intellectuality, high safety reliability, low maintenance workload etc.Therefore to the gas-insulated integrated equipment of high-performance, high-quality, low price, the demand in the general at home fast electric railway is more and more stronger.
Summary of the invention
Deficiency at existing general fast Traction Substation of Electric Railway 27.5kV switchgear existence, the purpose of this invention is to provide a kind of armored metal closed switch cabinet that has the voltage transformer handcart, be beneficial to satisfy GB GB3906-2006 requirement, degree of protection reaches IP4X, realize anti-error interlock, the security reliability height.Because voltage transformer is installed in handcart, when voltage transformer breaks down, handcart can be pulled out cabinet and overhaul outward, and not influence 27.5KV high-tension circuit normal power supply, promptly realizes not interruption maintenance.
For achieving the above object, the technical solution used in the present invention provides a kind of armored metal closed switch cabinet that has the voltage transformer handcart, and wherein: this switch cubicle includes control room, handcart chamber, metal clad switchgear cabinet, voltage transformer handcart, bypass isolating switch, isolating switch chamber, main bus bar chamber, handcart chamber pressure relief plate, isolating switch chamber pressure relief plate, bus-bar room pressure relief plate;
Be provided with interconnective control room, handcart chamber, isolating switch chamber, main bus bar chamber in the described metal clad switchgear cabinet; Control room, handcart chamber, isolating switch chamber, main bus bar separate by metallic plate between the chamber; The indoor voltage transformer handcart that is equipped with of handcart, the indoor bypass isolating switch that is equipped with of isolating switch; Be respectively equipped with handcart chamber pressure relief plate, isolating switch chamber pressure relief plate, main bus bar chamber pressure relief plate on handcart chamber, isolating switch chamber, the main bus bar chamber; Handcart chamber, isolating switch chamber, main bus bar chamber are equipped with the arc stream pressure release passage, and the passway is located at the top of cabinet; The fixed contact of described voltage transformer handcart connects copper bar by first and is connected with the main bus bar of main bus bar chamber; Main bus bar connects copper bar by second simultaneously through wall bushing and is connected with bypass isolating switch; Described bypass isolating switch connects copper bar by the 3rd and is connected with the interbus circuit.
Effect of the present invention is to cover compacting of aluminium zine plate and assembled formation because cabinet adopts, and its machining accuracy is 0.2 millimeter, and welding cabinet precision is 1.5 millimeters a deficiency before overcoming.And it is good to cover aluminium zine plate anti-corrosive properties, and the surface need not apply, and the welding cabinet falls to coat with lacquer the phenomenon of getting rusty before overcoming.Because each circuit arrangement is all finished by a cabinet body, high voltage separates not only safety and integrated level but also high with the control low-voltage with steel plate in the cabinet, for "smart" products exploitation from now on lays the first stone.Because equipment has all been debugged before dispatching from the factory and finished, the scene only connects bus between cabinet, so install simple and convenient.Because copper busbar is all overlapped insulating sleeve, has improved margin of safety more than 15%, can reduce bus cleaning maintenance or non-maintaining.Because voltage transformer is installed in handcart, when voltage transformer breaks down, handcart can be pulled out cabinet and overhaul outward, and not influence 27.5KV high-tension circuit normal power supply, promptly realizes not interruption maintenance.
Description of drawings
Fig. 1 is the armored metal closed switch cabinet structural representation that has the voltage transformer handcart of the present invention;
Fig. 2 is the primary circuit sketch of armored metal enclosed switchgear of the present invention.
Embodiment
Reaching enforcement in conjunction with the accompanying drawings is illustrated the structure that has the armored metal closed switch cabinet of voltage transformer handcart of the present invention.
As shown in Figure 1, 2, the armored metal closed switch cabinet that has the voltage transformer handcart of the present invention, this switch cubicle include control room 1, handcart chamber 2, metal clad switchgear cabinet 4, voltage transformer handcart 5, bypass isolating switch 8, isolating switch chamber 11, main bus bar chamber 13, handcart chamber pressure relief plate 16, isolating switch chamber pressure relief plate 12, bus-bar room pressure relief plate 14;
Be provided with interconnective control room 1, handcart chamber 2, isolating switch chamber 11, main bus bar chamber 13 in the described metal clad switchgear cabinet 4; Separate by metallic plate between control room 1, handcart chamber 2, isolating switch chamber 11, the main bus bar chamber 13; Voltage transformer handcart 5 is housed in the handcart chamber 2, bypass isolating switch 8 is housed in the isolating switch chamber 11; Be respectively equipped with handcart chamber pressure relief plate 16, isolating switch chamber pressure relief plate 12, main bus bar chamber pressure relief plate 14 on handcart chamber 2, isolating switch chamber 11, the main bus bar chamber 13; Handcart chamber 2, isolating switch chamber 11, main bus bar chamber 13 are equipped with the arc stream pressure release passage, and the passway is located at the top of cabinet 4; The fixed contact of described voltage transformer handcart 5 connects copper bar 17 by first and is connected with the main bus bar 15 of main bus bar chamber 13; Main bus bar 15 connects copper bar 9 by second simultaneously through wall bushing 10 and is connected with bypass isolating switch 8; Described bypass isolating switch 8 connects copper bar 7 by the 3rd and is connected with interbus 6 circuit.
Described first periphery that connects copper bar 17, the second connection copper bar 9, the 3rd connection copper bar 7, interbus 6, main bus bar 15 all is with insulating sleeve.
As shown in Figure 1, 2, the armored metal enclosed switchgear that has a voltage transformer handcart with KYN-27.2KV is an example; Fig. 2 is the primary circuit sketch of switch cubicle, shows the main electric elements and the copper busbar connected mode of dress in the cabinet.
The armored metal enclosed switchgear function that has the voltage transformer handcart of the present invention is achieved in that
1, cabinet 4 usefulness are covered compacting of aluminium zine plate and assembled formation, and cabinet 4 is made of four compartments such as control room 1, handcart chamber 2, isolating switch chamber 11, main bus bar chambers 13.Separate with metallic plate between each chamber in the cabinet 4, spread expansion to prevent accident.
2, in the handcart chamber 2 voltage transformer handcart 5 is housed, bypass isolating switch 8 is equipped with in isolating switch chamber 11.Because voltage transformer is installed in handcart, when voltage transformer breaks down, handcart can be pulled out cabinet and overhaul outward, and not influence 27.5KV high-tension circuit normal power supply, promptly realizes not interruption maintenance.
3, the fixed contact 3 of voltage transformer handcart 5 is connected with the main bus bar 15 of main bus bar chamber 13 by the first connection copper bar 17; Main bus bar 15 connects copper bar 9 by second simultaneously through wall bushing 10 and is connected with bypass isolating switch 8; Described bypass isolating switch 8 connects copper bar 7 by the 3rd and is connected with interbus 6, realizes that circuit connects.
4, for arc fault in the anti-switch cubicle, be respectively equipped with handcart chamber pressure relief plate 16, isolating switch chamber pressure relief plate 12, main bus bar chamber pressure relief plate 14 on handcart chamber 2, isolating switch chamber 11, the main bus bar chamber 13; Handcart chamber 2, isolating switch chamber 11, main bus bar chamber 13 are equipped with the arc stream pressure release passage, and the passway is located at the top of cabinet 4; Preventing that air-flow from washing door before and after the cabinet open injures human body, guarantees operator safety.
5, do the test of dispatching from the factory at last, can pack after qualified and be transported to on-the-spot the installation.
The armored metal closed switch cabinet that has the voltage transformer handcart of the present invention covers the aluminium zine plate because cabinet adopts, and appearance and modeling is more attractive in appearance than the welding cabinet, antiseptic property
ImproveOwing to realize closing door operation, have only the high voltage outage after, the front and back door can be opened, and reaches anti-error interlocks such as prevention personnel mistakenly entering charged chamber, security reliability improves.This will lead class on the electric railway special equipment, and can import substitutes, lay a good foundation for exporting to the international market from now on.
According to China's electric railway operation mileage medium-term and long-term plans, will increase about 30,000 kilometers again to the year two thousand twenty whole nation electric railway operation mileage.Approximately build a traction substation for per 60 kilometers, each traction substation approximately will be installed 30 left and right sides KYN-27.5kV armored metal enclosed switchgears.Since this product technically primacy and the economy on the price, determined that this product must produce good economic benefit and social benefit.
Claims (2)
1. armored metal closed switch cabinet that has the voltage transformer handcart, it is characterized in that: this switch cubicle includes control room (1), handcart chamber (2), metal clad switchgear cabinet (4), voltage transformer handcart (5), bypass isolating switch (8), isolating switch chamber (11), main bus bar chamber (13), handcart chamber pressure relief plate (16), isolating switch chamber pressure relief plate (12), bus-bar room pressure relief plate (14);
Be provided with interconnective control room (1), handcart chamber (2), isolating switch chamber (11), main bus bar chamber (13) in the described metal clad switchgear cabinet (4); Control room (1), handcart chamber (2), isolating switch chamber (11), main bus bar chamber separate by metallic plate between (13); Voltage transformer handcart (5) is housed in the handcart chamber (2), bypass isolating switch (8) is housed in isolating switch chamber (11); Be respectively equipped with handcart chamber pressure relief plate (16), isolating switch chamber pressure relief plate (12), main bus bar chamber pressure relief plate (14) on handcart chamber (2), isolating switch chamber (11), main bus bar chamber (13); Handcart chamber (2), isolating switch chamber (11), main bus bar chamber (13) are equipped with the arc stream pressure release passage, and the passway is located at the top of cabinet (4); The fixed contact of described voltage transformer handcart (5) connects copper bar (17) by first and is connected with the main bus bar (15) of main bus bar chamber (13); Main bus bar (15) connects copper bar (9) by second simultaneously through wall bushing (10) and is connected with bypass isolating switch (8); Described bypass isolating switch (8) connects copper bar (7) by the 3rd and is connected with interbus (6) circuit.
2. the armored metal closed switch cabinet that has the voltage transformer handcart according to claim 1 is characterized in that: described first periphery that connects copper bar (17), the second connection copper bar (9), the 3rd connection copper bar (7), interbus (6), main bus bar (15) all is with insulating sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105685148A CN103219664A (en) | 2012-12-23 | 2012-12-23 | Armour type metal closed switch cabinet with voltage transformer handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105685148A CN103219664A (en) | 2012-12-23 | 2012-12-23 | Armour type metal closed switch cabinet with voltage transformer handcart |
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| Publication Number | Publication Date |
|---|---|
| CN103219664A true CN103219664A (en) | 2013-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105685148A Pending CN103219664A (en) | 2012-12-23 | 2012-12-23 | Armour type metal closed switch cabinet with voltage transformer handcart |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600579A (en) * | 2015-01-19 | 2015-05-06 | 无锡双欢电气有限公司 | Main bus chamber of highland type high-voltage switch cabinet |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005304200A (en) * | 2004-04-13 | 2005-10-27 | Nissin Electric Co Ltd | Gas insulated switchgear |
| CN201444550U (en) * | 2009-07-03 | 2010-04-28 | 青岛特锐德电气股份有限公司 | Armored moving high-voltage switch cabinet |
| CN202997395U (en) * | 2012-12-23 | 2013-06-12 | 川铁电气（天津）集团有限公司 | Armored metal-enclosed switch cabinet with voltage transformer handcart |
-
2012
- 2012-12-23 CN CN2012105685148A patent/CN103219664A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005304200A (en) * | 2004-04-13 | 2005-10-27 | Nissin Electric Co Ltd | Gas insulated switchgear |
| CN201444550U (en) * | 2009-07-03 | 2010-04-28 | 青岛特锐德电气股份有限公司 | Armored moving high-voltage switch cabinet |
| CN202997395U (en) * | 2012-12-23 | 2013-06-12 | 川铁电气（天津）集团有限公司 | Armored metal-enclosed switch cabinet with voltage transformer handcart |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600579A (en) * | 2015-01-19 | 2015-05-06 | 无锡双欢电气有限公司 | Main bus chamber of highland type high-voltage switch cabinet |
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Application publication date: 20130724 |