CN104835676A - Ultrahigh-voltage GIS isolating switch housing - Google Patents
Ultrahigh-voltage GIS isolating switch housing Download PDFInfo
- Publication number
- CN104835676A CN104835676A CN201510174603.8A CN201510174603A CN104835676A CN 104835676 A CN104835676 A CN 104835676A CN 201510174603 A CN201510174603 A CN 201510174603A CN 104835676 A CN104835676 A CN 104835676A
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- CN
- China
- Prior art keywords
- housing
- observation window
- adpting flange
- charging connector
- fin
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- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
Abstract
The invention relates to a ultrahigh-voltage GIS isolating switch housing comprising a connecting flange 1 (X11), a connecting flange 2 (X12), a connecting flange 3 (X13), a heat-dissipating fin 1 (X31), a heat-dissipating fin 2 (X32), an explosion-proof disk (X41), a driving mechanism installing structure (X51), a grounding switch 1 (X61), a grounding switch 2 (X62), a grounding switch 3 (X63), an inflating nozzle (X70), a hoisting hole 1 (X81), a hoisting hole 2 (X82), an A/D converter installing structure (X91), an observation window 1 (X21), an observation window 2 (X22), and an observation window 3 (X23). The ultrahigh-voltage GIS isolating switch housing is miniaturized, intensified, high in comprehensive using performance, safe and reliable, and satisfies requirements of ultrahigh-voltage power transmission and transformation equipment.
Description
Technical field
The present invention relates to a kind of isolating switch housing, especially relate to a kind of miniaturization for ultra-high-voltage isolation switch equipment, intensive monoblock cast Al-alloy casing.
Background technology
High voltage isolator is device for switching important in power plant and transformer station's electrical system, need support the use with primary cut-out, its major function is: ensure High-Voltage Electrical Appliances and the safety of device when service work, play isolation voltage, can not with cut-out, drop into load current and cut-off short circuit current, only can be used for some handover operation not producing powerful electric arc, that is to say that it does not have arc-suppression function.
And GIS housing is the key structure part of isolated switchgear, its Main Function is: 1, gas container, inner filled SF6 gas, the effect insulation of SF6 gas, arc extinguishing; 2, safeguard protection, prevents the equipment moisture absorption, water inlet, prevents entering of introduced contaminants; 3, ground connection motor, GIS housing has earthed switch structure, in order to by loop ground connection, ensures the safe operation of equipment; 4, dispel the heat, the heat that equipment distributes in running is dispersed in surrounding medium by housing, ensures the safe operating temperature of equipment; 5, mechanical support, inner conductive element device and the handle structure part being used for erection unit.Therefore Birmasil housing used for high-voltage switch, except requiring general mechanical performance, also require resistance to pressure, air-tightness and insulating properties etc., foundry goods will through x-ray detection, the hydraulic test, SF6 gas leak detection etc.
As shown in Figure 1, certain ultra-high-voltage isolation switch housing Y01, its overall dimension length × wide × height=750 mm × 650mm × 1000mm, it is by adpting flange Y11/Y12/X13, observation window Y21, explosion disk Y31, driving mechanism Y41/Y42, two earthed switch Y51/Y52/Y53, Y61/Y62/Y63, charging connector Y71.
The volume of existing housing about 0.5 cubic metre, space hold is large, is difficult to realize the miniaturization of high voltage switchgear and intensive; Existing housing adopts two earthed switch structure Y51/Y52/Y53 and Y61/Y62/Y63, and adopt two driving mechanism Y41 and Y42 simultaneously, be respectively used to handle earthed switch Y51/Y52/Y53 and Y61/Y62/Y63, make shell structure complexity, equipment operating is difficult, maintaining is inconvenient; The charging connector that existing housing adopts can only fill and can not discharge SF6 gas, once internal pressure exceedes the upper limit, certainly will cause equipment fault; Explosion disk Y31 is for installing explosion rupture disk device, it is the important safety of housing, the explosion rupture disk device exhaust system installed finally just works to prevent major accident, the explosion disk of existing housing is positioned at the horizontal line centre of housing body side surface, when burst disk is broken or come off, its off-direction, towards side, can damage other neighbouring device.
Therefore, the isolating switch housing that a kind of miniaturization, intensive, comprehensive serviceability are high, safe and reliable, meet superhigh pressure requirement is provided to provide.
Summary of the invention
The object of this invention is to provide the isolating switch housing that a kind of miniaturization, intensive, comprehensive serviceability are high, safe and reliable, meet ehv power transmission equipment requirement.
The technical solution used in the present invention is for this reason: the present invention includes adpting flange one (X11), adpting flange two (X12), adpting flange three (X13), fin one (X31), fin two (X32), explosion disk (X41), the structure (X51) of driving mechanism is installed, earthed switch one (X61), earthed switch two (X62), earthed switch three (X63), charging connector (X70), hole for hoist one (X81), hole for hoist two (X82) and A/D converter mounting structure (X91), observation window one (X21), observation window two (X22), observation window three (X23),
Described adpting flange one (X11), adpting flange two (X12), adpting flange three (X13) add four symmetrical stagger angles in outside, on adpting flange, have employed seal groove one (X101) and seal groove two (X102), wherein seal groove two (X102) is airtight sealing groove simultaneously; Seal groove one (X101) is watertight sealing groove;
Described observation window one (X21), observation window two (X22) are positioned at the top of housing, and observation window three (X23) is positioned at housing side;
Described fin one (X31), fin two (X32) are positioned on the upside of housing;
Described explosion disk (X41) is arranged on the downside of housing;
Described charging connector (X70) is made up of charging connector body (X71), vent valve (X72) and intercommunicating pore (X73), and charging connector body (X71) is through with enclosure interior, for installing charge valve; Vent valve (X72) is communicated with enclosure interior, for installing vent valve by intercommunicating pore (X73); Intercommunicating pore (X73) is for being communicated with charging connector body (X71) and vent valve (X72).
The center line of described explosion disk (X41) becomes α angle with the central horizontal line of housing, and described α is 30-60 °
Hole for hoist one (X81), hole for hoist two (X82) are arranged on the upside of housing.
The present invention, on the basis of existing isolating switch housing, reduces the overall dimension of housing, to realize the miniaturization of equipment.In order to realize intensive, high-performance, design is optimized to shell structure: adpting flange adopts water/gas double density sealing groove structure, improves sealing protection ability simultaneously; The corresponding observation window of key structure Position Design, to solve the narrow shortcoming being unfavorable for inner observation brought in inner space; For solving the too high potential safety hazard brought of local temperature, concentrating position to design fin at heat and strengthening heat radiation; Change explosion disk towards, fragment off-direction when making burst disk break towards oblique outside, to protect neighbouring device; Adopt electric driving mechanism to substitute Manual drive mechanism, realize apparatus remote manipulation; Adopt single earthed switch structure to replace two earthed switch structure, simplify shell structure; Adopt inflation/exhaust integrated air charging nozzle structure, i.e. inflatable but also SF6 gas can be discharged; Housing upper design hole for hoist, facilitates the installation of equipment; Housing adopts A/D converter to be connected with power grid security monitoring system, realizes the Real-Time Monitoring to the various operational factor of electrical network and analysis.
Isolating switch housing of the present invention compares with existing housing technologies and has the following advantages: 1, the volume of housing reduces, and is only 0.3 cubic metre, and the volume of more existing housing 0.5 cubic metre, reduces 40%; 2, the adpting flange of housing adopts water/gas double density sealing groove structure, can prevent extraneous water/steam from invading equipment initiating failure, can prevent again inner SF6 Leakage Gas, ensure equipment safety operation desired gas pressure and improve SF6 solar term rate, leakage rate per year reaches 0.3%; 3, the key position of housing all devises observation window, can observe the operation of internal mechanism better and facilitate judgement and the maintenance of equipment fault; 4, the heat on housing concentrates position to devise heat radiating fin structure, enhances the heat sinking function of housing, ensures that device temperature maintains allowed band; 5, explosion disk structure is towards oblique outside, and burst disk is when breaking or come off, and the off-direction of its fragment is oblique outside, can ensure that neighbouring device is without prejudice; 6, adopt electric driving mechanism not only can reduce the labour intensity of operating personnel, improve the reliable degree of operation, shorten the operating time, but also the remote-control of operation can be realized; 7, adopt single earthed switch structure to replace two earthed switch structure, shell structure simplifies, easy to operate; 8, inflate/exhaust integrated air charging nozzle structure, automatically can carry out charge/discharge gas, ensure that inner SF6 gas pressure is within claimed range; 9, housing adopts A/D converter to be connected with power grid security monitoring system, Real-Time Monitoring and analysis can be carried out to the various operational factors of electrical network (three-phase voltage, electric current, active power, reactive power etc.), ensure the safe operation of electrical network and understand the operation conditions of electrical network.
[accompanying drawing explanation]
Fig. 1,2 is structural perspective of certain ultra-high-voltage isolation switch housing.
Fig. 3,4 is structural perspective of ultra-high-voltage isolation switch housing of the present invention.
Fig. 5 is the structural representation of inventive shell adpting flange.
Fig. 6 is the A-A direction view of Fig. 5.
Fig. 7 is the front view of inventive shell.
Fig. 8 is the vertical view of inventive shell.
Fig. 9 is the cutaway view B-B of Fig. 7.
Figure 10 is the rearview of inventive shell.
Figure 11 is the right view of inventive shell.
Figure 12 is the structural representation of inventive shell charging connector.
[embodiment]
Below in conjunction with accompanying drawing, isolating switch housing of the present invention is described in further detail.
As shown in Figure 2, the stereogram of high speed grounding switch tank body X01 of the present invention, its overall dimension length × wide × height=600 mm × 630mm × 800mm, primary structure comprises adpting flange one X11, adpting flange two X12, adpting flange three X13, observation window one X21, observation window two X22, observation window three X23, fin one X31, fin two X32, explosion disk X41, driving mechanism X51, earthed switch one X61, earthed switch two X62, earthed switch three X63, charging connector X70, hole for hoist one X81, hole for hoist two X82 and A/D converter mounting structure X91.
4 symmetrical stagger angles are added outside 3 adpting flanges of this housing, make the fixing more firm of end-blocking cover plate and adpting flange, on adpting flange, have employed seal groove one X101 and seal groove two X102 simultaneously, wherein seal groove two X102 is airtight sealing groove, prevent inner SF6 Leakage Gas, ensure that gas pressure meets instructions for use; Seal groove one X101 is watertight sealing groove, prevents extraneous water/steam access arrangement initiating failure, also can be used as the 2 airtight sealing grooves in road.
The volume of this housing reduces, and inner space becomes narrow thereupon.Therefore, in order to observe the operation of internal mechanism better and facilitate breakdown judge and the maintenance of equipment.This housing design 3 place's observation windows are observation window one X21, observation window two X22 at the top being positioned at housing respectively and be positioned at observation window three X23 of side.
GIS housing carries the function of heat radiation simultaneously, because housing volume reduces, bears meeting of heat radiation overweight, and affects the normal operation of equipment.Therefore this housing is in the maximum position of equipment distribute heat, and namely on the upside of housing, design is distributed in fin one X31, fin two X32 of both sides, to strengthen the heat sinking function of housing.
Conveniently lift simultaneously, devise 2 hole for hoist one X81, hole for hoist two X82 in the upside of housing.
The explosion disk X41 of this housing designs on the downside of housing, but its center line becomes α angle with the central horizontal line of tank body, consider the mounting structure of this housing application apparatus, its α angle is 45 °, also can need to be designed to different α angles according to the installation of distinct device, such structural design can ensure that burst disk is when breaking or come off, and the off-direction of its fragment is oblique outside, can ensure that neighbouring device is without prejudice.
The driving mechanism X51 of this housing, earthed switch one X61, earthed switch two X62, earthed switch three X63 and A/D converter mounting structure X91.
The driving mechanism of the application apparatus of this housing adopts Electronic control, substitute manual drive unit, in order to install electric driving mechanism, and the structure X51 of this housing design for installing driving mechanism.
This housing has been set up A/D converter mounting structure X91, for installing high-speed a/d converter, A/D converter is connected with power grid security monitoring system, can carry out Real-Time Monitoring and analysis to the various operational factors of electrical network.
The charging connector X70 of this housing is made up of it charging connector body X71, vent valve X72 and intercommunicating pore X73.Charging connector body X71 and enclosure interior through, for installing charge valve, to fill SF6 gas to enclosure interior; Vent valve X72 is communicated with enclosure interior by intercommunicating pore X73, for installing vent valve, discharging gas, guarantee equipment use safety when internal gas pressure exceedes and uses upper pressure limit; Intercommunicating pore X73 is for being communicated with charging connector body X71 and vent valve X72, and realization i.e. inflatable, but also the function that can be vented.
Claims (3)
1. a superhigh pressure GIS isolating switch housing, it is characterized in that, comprise adpting flange one (X11), adpting flange two (X12), adpting flange three (X13), fin one (X31), fin two (X32), explosion disk (X41), the structure (X51) of driving mechanism is installed, earthed switch one (X61), earthed switch two (X62), earthed switch three (X63), charging connector (X70), hole for hoist one (X81), hole for hoist two (X82) and A/D converter mounting structure (X91), observation window one (X21), observation window two (X22), observation window three (X23),
Described adpting flange one (X11), adpting flange two (X12), adpting flange three (X13) add four symmetrical stagger angles in outside, on adpting flange, arrange seal groove one (X101) and seal groove two (X102), wherein seal groove two (X102) is airtight sealing groove simultaneously; Seal groove one (X101) is watertight sealing groove;
Described observation window one (X21), observation window two (X22) are positioned at the top of housing, and observation window three (X23) is positioned at housing side;
Described fin one (X31), fin two (X32) are positioned on the upside of housing;
Described explosion disk (X41) is arranged on the downside of housing;
Described charging connector (X70) is made up of charging connector body (X71), vent valve (X72) and intercommunicating pore (X73), and charging connector body (X71) is through with enclosure interior, for installing charge valve; Vent valve (X72) is communicated with enclosure interior, for installing vent valve by intercommunicating pore (X73); Intercommunicating pore (X73) is for being communicated with charging connector body (X71) and vent valve (X72).
2. a kind of superhigh pressure GIS isolating switch housing according to claim 1, it is characterized in that, the center line of described explosion disk (X41) becomes α angle with the central horizontal line of housing, and described α is 30-60 °.
3. a kind of superhigh pressure GIS isolating switch housing according to claim 1, it is characterized in that, hole for hoist one (X81), hole for hoist two (X82) are arranged on the upside of housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510174603.8A CN104835676A (en) | 2015-04-15 | 2015-04-15 | Ultrahigh-voltage GIS isolating switch housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510174603.8A CN104835676A (en) | 2015-04-15 | 2015-04-15 | Ultrahigh-voltage GIS isolating switch housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104835676A true CN104835676A (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510174603.8A Pending CN104835676A (en) | 2015-04-15 | 2015-04-15 | Ultrahigh-voltage GIS isolating switch housing |
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| CN (1) | CN104835676A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1661872A (en) * | 2004-02-27 | 2005-08-31 | Abb技术有限公司 | Insulated earthing switch for gas-insulated switchgear assemblies |
| CN200950415Y (en) * | 2006-06-12 | 2007-09-19 | 包红旗 | Combination type high voltage isolated ground switch |
| CN101320647A (en) * | 2008-07-02 | 2008-12-10 | 中国西电电气股份有限公司 | Composite perpendicular isolating switch with fast ground switch |
| CN202177684U (en) * | 2011-08-12 | 2012-03-28 | 上海市电力公司 | Multi-type partial discharge simulating apparatus for gas-insulated metal-enclosed device |
| CN202423039U (en) * | 2011-07-29 | 2012-09-05 | 泰安泰山高压开关有限公司 | GIS angle-shaped isolation grounding switch housing |
| CN204088896U (en) * | 2014-08-18 | 2015-01-07 | 江苏华江科技有限公司 | High speed grounding switch tank body |
| CN104483807A (en) * | 2014-09-18 | 2015-04-01 | 哈尔滨工业大学 | Camera heat protector under near space environment |
| CN204577313U (en) * | 2015-04-15 | 2015-08-19 | 江苏华江科技有限公司 | A kind of superhigh pressure GIS isolating switch housing |
-
2015
- 2015-04-15 CN CN201510174603.8A patent/CN104835676A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1661872A (en) * | 2004-02-27 | 2005-08-31 | Abb技术有限公司 | Insulated earthing switch for gas-insulated switchgear assemblies |
| CN200950415Y (en) * | 2006-06-12 | 2007-09-19 | 包红旗 | Combination type high voltage isolated ground switch |
| CN101320647A (en) * | 2008-07-02 | 2008-12-10 | 中国西电电气股份有限公司 | Composite perpendicular isolating switch with fast ground switch |
| CN202423039U (en) * | 2011-07-29 | 2012-09-05 | 泰安泰山高压开关有限公司 | GIS angle-shaped isolation grounding switch housing |
| CN202177684U (en) * | 2011-08-12 | 2012-03-28 | 上海市电力公司 | Multi-type partial discharge simulating apparatus for gas-insulated metal-enclosed device |
| CN204088896U (en) * | 2014-08-18 | 2015-01-07 | 江苏华江科技有限公司 | High speed grounding switch tank body |
| CN104483807A (en) * | 2014-09-18 | 2015-04-01 | 哈尔滨工业大学 | Camera heat protector under near space environment |
| CN204577313U (en) * | 2015-04-15 | 2015-08-19 | 江苏华江科技有限公司 | A kind of superhigh pressure GIS isolating switch housing |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150812 |
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| RJ01 | Rejection of invention patent application after publication |