CN202550364U - High voltage switch cabinet - Google Patents
High voltage switch cabinet Download PDFInfo
- Publication number
- CN202550364U CN202550364U CN2012201483373U CN201220148337U CN202550364U CN 202550364 U CN202550364 U CN 202550364U CN 2012201483373 U CN2012201483373 U CN 2012201483373U CN 201220148337 U CN201220148337 U CN 201220148337U CN 202550364 U CN202550364 U CN 202550364U
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- Prior art keywords
- chamber
- switch cabinet
- breaker
- handcart
- solid insulation
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- Expired - Fee Related
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Abstract
The utility model discloses a high voltage switch cabinet, which comprises a low voltage chamber, a vacuum breaker chamber, a cable installation chamfer, a voltage transformer installation and relief chamber and a main bus chamber, wherein the vacuum breaker chamber is arranged in the front middle part of a switch cabinet, a solid insulated type vacuum breaker, a handcart, an insulated valve and a valve mechanism; the handcart by which the breaker can move in and out is arranged at the bottom of the solid insulated type vacuum breaker; conventional ''five-prevention latching'' elements of various specifications are arranged on the handcart; a static contact arm of the solid insulated type vacuum breaker is double insulated by a vulcanized insulating layer and an epoxy resin sleeve, and the part connected with an arc extinguishing chamber is sealed by silica gel and is pressed and connected by a silicon rubber sleeve. According to the high voltage switch cabinet, problems of large volume and large occupied area of the all-air insulated switch cabinet are overcome, and SF6 gas which has an impact on environment is eliminated to enhance protection on environmental pollution; the high voltage switch cabinet, which adopts a solid insulating technology as an insulating medium of a main loop, has the characteristics of environmental protection, compact structure, maintenance free and small volume, requirements of an area with high reliability, a substation limited by a narrow space and a plateau substation on a high altitude can be satisfied.
Description
Technical field
The utility model relates to a kind of high-tension switch cabinet.
Background technology
Ac metal closing switch gear is widely used in industrial and mining enterprises such as power plant, electric power system and petrochemical industry, metallurgy and electrified system etc.Using at present that more product has with the air insulation is main ac metal closing switch gear and with the gas isolated metal enclosed switchgear of SF6.The ac metal closing switch gear volume that with the air is main insulation is big, it is more to take construction area, and is relatively more responsive to ambient air quality, is difficult to adapt to the service conditions of south, Yan Haidiqu and the underground of China.Medium pressure gas insulated metal sealing switch equipment is the nineties in the last century complete power distribution equipment of new and high technology that gets up of new development in the world; To the expansion of middle pressure field, adopt SF6 gas or the SF6 and the N of low-pressure: mist is as dielectric with conventional GIS technology for it.And little with its volume, antipollution obtains users' approval very soon, natural environment and the abominable relatively occasions of condition such as the particularly suitable reliability requirement is high and underground, plateau, coastal area.Yet SF6 gas is defined as one of restriction using gases by " Kyodo Protocol " as one of six kinds of warm and humid effect gases.Cubicle Gas-Insulated Switchgear generally is difficult to safeguard and maintenance simultaneously.Can bring great inconvenience to the user under the accident conditions.Thereby seek a kind of miniaturization level can satisfy insulating requirements and can reach again the time, few safeguard or non-maintaining high voltage switchgear has become worldwide research topic.Solid insulation metal enclosed switchgear (SIS) has miniaturization, characteristics that adaptive capacity to environment is strong have begun developed; At present; Existing producer releases the solid insulation ring main unit, but the on-load switch and the on-load switch+fuse that are merely rated current 630A, rated short circuit drop-out current 20kA are main, and manufacturing cost is higher; It is less to compare with, application surface as general loop-network switch cabinet, only can adapt to general low capacity user's demand.Thereby develop a kind of larger capacity, satisfy most users' demand, can replace the switchgear of SF6 Cubicle Gas-Insulated Switchgear again, be the inevitable development direction of medium voltage switchgear equipment, also be contribution to environmental protection.
Summary of the invention
It is not enough that the purpose of the utility model is to have overcome prior art, and a kind of high-tension switch cabinet is provided.This high-tension switch cabinet has overcome the defect that full air insulation switch cubicle volume is big, the land used amount is big; Cancelled the influential SF6 gas of environment; Strengthened the protection of environmental pollution; Adopt the dielectric of solid insulation technology, have environmental protection, compact conformation, non-maintaining, characteristics that volume is little as a major loop.
The utility model is achieved in that high-tension switch cabinet; Include low-pressure chamber, vacuum interrupter chamber, cable installation room, mutual induction of voltage installation and pressure releasing chamber, main bus bar chamber; Vacuum interrupter chamber is installed on the front middle part of switch cubicle; Inside is equipped with solid insulation formula vacuum circuit-breaker, handcart, insulation valve and valve mechanism, and the bottom of solid insulation formula vacuum circuit-breaker is equipped with the handcart that supplies the circuit breaker turnover, disposes " five-defence block " part of various routines on the handcart.
Further, the stationary contact arm of solid insulation formula vacuum circuit-breaker circuit breaker adopts the sulfuration insulating barrier to add epoxy resin cover double insulation, is connected with arc control device and partly adopts silica gel sealing and silicone rubber sleeve crimping.
Further; The conducting rod that voltage transformer installation and the pressure releasing chamber interior fixed contact box down conduction other end partly passes through a solid insulation links to each other with cable duct tube; Have on the conducting rod of solid insulation and supply the little pile crown of earthy conduction; The little pile crown that conducts electricity links to each other with earthed switch, and the other end of cable vault's inner cable conduit can be installed straight-through current transformer and cable connector.
Producing effect of the utility model is: overcome the defect that full air insulation switch cubicle volume is big, the land used amount is big; Cancelled the influential SF6 gas of environment; Strengthened the protection of environmental pollution; Adopt the dielectric of solid insulation technology, make it to reach the level of environment-friendly type switchgear as a major loop.
Vacuum circuit-breaker is positioned at the middle part of switch cubicle, and the bottom is equipped with the handcart that supplies circuit breaker turnover usefulness.In cabinet vacuum circuit-breaker have promptly to work in three positions, test, isolated location, when circuit breaker enters into the service position, can divide normally, closing operation.Circuit breaker cart has reliably " five is anti-" blocking function, can prevent various misoperations.The middle of vacuum circuit-breaker is installed, and can carry out care and maintenance to circuit breaker easily, maximum characteristics are fast changeables, has solved the defective that vacuum circuit-breaker could changed and safeguard to gas-filled type switch cubicle in the past.
The main pole post of vacuum circuit-breaker is a pole type, contact arm adopted dual solid insulation technology, guaranteed between the circuit breaker phase and phase, and ground between insulation property.The contact arm up and down of vacuum circuit-breaker when circuit breaker is worked respectively with bus-bar room in the upper and lower static contact box be communicated with.The other end of following fixed contact links to each other with cable duct tube through the conducting rod of a prefabricated solid insulation.Have the conduction pile crown that supplies ground connection on the conducting rod simultaneously.Earthed switch is manual or electric operating through an operating axis, and earthed switch is in gate-dividing state when normally moving, and earthed switch and charged position keep enough air insulation distances.In the middle of the cable duct tube straight-through current transformer can be installed, the front portion can connect turnover line cable.The requirement of safe operation of power system has been satisfied in the installation of the earthed switch of bottom band making capability, has prevented that the user from sending the possibility of electricity, guaranteed personal safety to greatest extent.Whole switch cubicle is except that interchangeability is good, versatility and the standardization level height, guaranteed reliability especially, environmental protection, and the world of having filled up this type product is blank, represents the direction of following Medium Voltage Switchgear development.
Each functional unit and compartment are isolated fully, but have flexible expansion, compact conformation, long-life, non-maintaining, characteristics that volume is little, can satisfy the high narrow and small restricted transformer station in area and space of reliability and the plateau transformer station requirement of high height above sea level.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the right view of the utility model.
Fig. 3 is the cutaway view of the utility model.
In the accompanying drawing, 1-insulation valve, 2-solid insulation formula vacuum circuit-breaker, 3-valve mechanism, 4-handcart; 5-rocking handle, 6-cable connector, 7-straight-through current transformer, 8-cable duct tube, 9-earthed switch; 10-conducting rod, 11-upper static contact box, 12-following fixed contact box, 13-round solid insulation main bus bar, 14-insulator; 101-low-pressure chamber, 102-vacuum interrupter chamber, 103-cable installation room, 104-mutual induction of voltage is installed and pressure releasing chamber, 105-main bus bar chamber.
Embodiment
Below in conjunction with accompanying drawing the utility model specific embodiment is set forth in detail.
Like Fig. 1, Fig. 2, shown in Figure 3, the utility model relates to a kind of high-tension switch cabinet, and it includes low-pressure chamber 101, vacuum interrupter chamber 102, cable installation room 103, mutual induction of voltage installation and pressure releasing chamber 104, main bus bar chamber 105.Main bus bar chamber 105 is installed on the upper back of cabinet, and its top is equipped with pressure relief plate.In the time of can having ensured inner arcing fault effectively to the injury of the person.Vacuum interrupter chamber 102 is installed on the front middle part of switch cubicle, and inside is equipped with solid insulation formula vacuum circuit-breaker 2, handcart 4, insulation valve 1 and valve mechanism 3.When vacuum breaker chamber 102 valve when test position gets into the service position is opened automatically, close automatically when vacuum breaker chamber 102 insulation valve 1 when test position is withdrawed from the service position, isolated the major loop live part effectively.Guaranteed the safety of safeguarding and overhauling.Solid insulation formula vacuum circuit-breaker 2 is independent design, is installed on the front middle part of switch cubicle, and the bottom of solid insulation formula vacuum circuit-breaker 2 is equipped with the handcart 4 that supplies the circuit breaker turnover, can make the operation of circuit breaker front and back through rocking handle 5 or electric device.On the handcart 4 simultaneously " five-defence block " part of configurable various routines, realize " five-defence block " function easily.Switch cabinet body has all been adopted except that front and back panel and pressure relief plate and has been covered aluminium zinc steel plate and after the multiple bending of CNC machine tooling, assemble, and has guaranteed consistency and the machining accuracy of cabinet, has been convenient to large batch of production simultaneously.
Referring to Fig. 2, but the secondary component of installation and control protection usefulness in the low-pressure chamber 101.105 internal upper parts left side, main bus bar chamber becomes the Chinese character pin-shaped three-phase main bus bar intermediate insulation conduit 110 that is arranged with, and intermediate insulation conduit 110 is connected with the prefabricated round solid insulation main bus bar 13 of three-phase and carries out center fixed and support by insulator 14.The lower end of main bus bar 13 directly links to each other with upper static contact box 12 interior quiet conducting end.Be electrically connected that adopt to slide in the position and the plane connects dual mode, guaranteed the continuity that is electrically connected.Insulation connects the insulating reliability that adopts silicone rubber sleeve extruding and silica gel sealing, guaranteed seals at.Solid insulation formula vacuum circuit-breaker 2 is installed in the vacuum interrupter chamber 102; Handcart 4 through the bottom can seesaw in switch cubicle; Reach isolation, test, three positions of work; Solid insulation formula vacuum circuit-breaker 2 is when the service position, and contact arm partly links to each other with the conduction of upper static contact box 11, following fixed contact box 12 respectively up and down.The conducting rod 10 that the voltage transformer installation and pressure releasing chamber 104 interior 12 conductions of the fixed contact boxes down other end partly pass through a solid insulation links to each other with cable duct tube 8; Have on the conducting rod 11 of solid insulation and supply ground connection to conduct electricity little pile crown, can link to each other with earthed switch 9 reaches the function of ground connection.The other end of cable installation room 103 inner cable conduits 8 can be installed straight-through current transformer 7 and cable connector 6, thereby has formed complete major loop.All docking site in the major loop through oblique docking port, adopted silicone rubber sleeve and silicone rubber for sealing sealing-in, has guaranteed the insulation property of docking site.When solid insulation formula vacuum circuit-breaker 2 overhauls in the separating brake position, behind the earthed switch 9 that closes; Earthed switch 9 is connected with major loop conducting rod 10; This moment, installation of whole cable installation room 103 and mutual induction of voltage and pressure releasing chamber 104 all were in good ground state; Can effectively prevent anti-electricity or the misdelivery electricity of sending of user, protect personal security purpose thereby reached better.
It is to be noted; The utility model is not limited to above-mentioned execution mode; Any simple modification, equivalent variations and modification that any professional and technical personnel of being familiar with does the foregoing description in based on the utility model technical scheme all belong in the protection range of the utility model.
Claims (3)
1. high-tension switch cabinet; Include low-pressure chamber, vacuum interrupter chamber, cable installation room, mutual induction of voltage installation and pressure releasing chamber, main bus bar chamber; It is characterized in that: vacuum interrupter chamber is installed on the front middle part of switch cubicle; Inside is equipped with solid insulation formula vacuum circuit-breaker, handcart, insulation valve and valve mechanism, and the bottom of solid insulation formula vacuum circuit-breaker is equipped with the handcart that supplies the circuit breaker turnover, disposes " five-defence block " part of various routines on the handcart.
2. high-tension switch cabinet as claimed in claim 1; It is characterized in that: the stationary contact arm of described solid insulation formula vacuum circuit-breaker circuit breaker adopts the sulfuration insulating barrier to add epoxy resin cover double insulation, is connected with arc control device and partly adopts silica gel sealing and silicone rubber sleeve crimping.
3. high-tension switch cabinet as claimed in claim 1; It is characterized in that: the conducting rod that the said voltage transformer installation and the pressure releasing chamber interior fixed contact box down conduction other end partly pass through a solid insulation links to each other with cable duct tube; Have on the conducting rod of solid insulation and supply the little pile crown of earthy conduction; The little pile crown that conducts electricity links to each other with earthed switch, and the other end of cable vault's inner cable conduit can be installed straight-through current transformer and cable connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201483373U CN202550364U (en) | 2012-04-10 | 2012-04-10 | High voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201483373U CN202550364U (en) | 2012-04-10 | 2012-04-10 | High voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202550364U true CN202550364U (en) | 2012-11-21 |
Family
ID=47170933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201483373U Expired - Fee Related CN202550364U (en) | 2012-04-10 | 2012-04-10 | High voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202550364U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099733A (en) * | 2016-06-22 | 2016-11-09 | 四川电器成套设备有限公司 | A kind of switchgear mounting arrangement structure |
-
2012
- 2012-04-10 CN CN2012201483373U patent/CN202550364U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099733A (en) * | 2016-06-22 | 2016-11-09 | 四川电器成套设备有限公司 | A kind of switchgear mounting arrangement structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Fixed high-voltage switch cupboard machinery program joint lock Effective date of registration: 20150906 Granted publication date: 20121121 Pledgee: Hengyang enterprise credit guarantee investment Co., Ltd. Pledgor: Hunan Kingsun Electrical Co., Ltd. Registration number: 2015430000022 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20210410 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |