CN106253122A - A kind of Cubicle Gas-Insulated Switchgear - Google Patents

A kind of Cubicle Gas-Insulated Switchgear Download PDF

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Publication number
CN106253122A
CN106253122A CN201610655810.XA CN201610655810A CN106253122A CN 106253122 A CN106253122 A CN 106253122A CN 201610655810 A CN201610655810 A CN 201610655810A CN 106253122 A CN106253122 A CN 106253122A
Authority
CN
China
Prior art keywords
pipe
outlet
away
bus
insulated switchgear
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.)
Pending
Application number
CN201610655810.XA
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Chinese (zh)
Inventor
李祯元
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hyundai Heavy Industries China Electric Co Ltd
Original Assignee
Hyundai Heavy Industries China Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hyundai Heavy Industries China Electric Co Ltd filed Critical Hyundai Heavy Industries China Electric Co Ltd
Priority to CN201610655810.XA priority Critical patent/CN106253122A/en
Publication of CN106253122A publication Critical patent/CN106253122A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangements of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangements of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangements of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangements of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • H02B13/0356Mounting of monitoring devices, e.g. current transformers

Abstract

The present invention provides a kind of Cubicle Gas-Insulated Switchgear, relates to electrical equipment.This Cubicle Gas-Insulated Switchgear, including bus-bar chamber, the right side of described bus-bar chamber is provided with the first outlet-pipe, the top of described bus-bar chamber is installed with bus isolating switch, first outlet-pipe runs through chopper away from the side of bus-bar chamber and extends to the inside of chopper, chopper is connected with coupling box by the first inlet wire pipe away from the side of the first outlet-pipe, coupling box is provided with the 3rd outlet-pipe away from the side of the first inlet wire pipe, the top of coupling box is installed with line disconnecting switch, and the right side of coupling box is installed with the first maintenance earthed switch.This Cubicle Gas-Insulated Switchgear, by arranging chopper, and chopper uses hydraulic pressure to be driven, do not affected by supply voltage, the security performance of electric wiring is high, adds the service life of switchgear, and the phenomenon that effectively prevent electrical fire occurs.

Description

A kind of Cubicle Gas-Insulated Switchgear
Technical field
The present invention relates to technical field of electric equipment, be specially a kind of Cubicle Gas-Insulated Switchgear.
Background technology
The electrical equipment of power supply-distribution system refers to for generating electricity, transmitting electricity, power transformation, distribution and all devices of electricity consumption, including Electromotor, transformator, control electrical equipment, protection equipment, measuring instruments, line materials and electrical equipment are (such as motor, illuminating lamp Tool) etc..It is the general designation in power system to equipment such as electromotor, transformator, power circuit, choppers.
Switchgear is to high voltage power distributing cabinet, electromotor, transformator, electric wiring, chopper, low pressure in electrical system Switch cubicle, distribution board, switch-box, the general designation of the controller switching equipments such as control chamber, the Main Function of switchgear is to connect or isolation two Individual electrical system, GIS (GAS INSULATED SWITCHGEAR) is the English abbreviation of Cubicle Gas-Insulated Switchgear. GIS is made up of chopper, disconnecting switch, earthed switch, transformer, spark gap, bus, connector and outlet terminal etc., these Equipment or parts are all enclosed in the shell of metallic ground, are filled with the SF6 insulating gas of certain pressure therein, therefore are also referred to as SF6 fully-closed switch equipment.
But the chopper majority electromagnetic type air-break in current Cubicle Gas-Insulated Switchgear, but Electromagnetic type air-break is affected by supply voltage, and when supply voltage is too low, the performance of electromagnetic type air-break will Reducing, thus cannot be carried out short-circuit protection work, the security performance of electric wiring is low, electrical fire easily occurs.
Summary of the invention
(1) solve the technical problem that
For the deficiencies in the prior art, the invention provides a kind of Cubicle Gas-Insulated Switchgear, solve electrically The low problem of line security performance.
(2) technical scheme
For realizing object above, the present invention is achieved by the following technical programs: one is gas-insulated metal-enclosed to be opened Pass equipment, including bus-bar chamber, the right side of described bus-bar chamber is provided with the first outlet-pipe, and the top of described bus-bar chamber is installed with Bus isolating switch, described first outlet-pipe runs through chopper away from the side of bus-bar chamber and extends to the inside of chopper, institute Stating the chopper side away from the first outlet-pipe to be connected with coupling box by the first inlet wire pipe, described coupling box is away from the first inlet wire The side of pipe is provided with the 3rd outlet-pipe, and the top of described coupling box is installed with line disconnecting switch, described coupling box Right side is installed with the first maintenance earthed switch, described 3rd outlet-pipe away from one end of coupling box run through transformer tank and Extending to the inside of transformer tank, the top of described transformer tank is installed with fail close the most successively and closes earthed switch And bushing shell for transformer, the bottom of described transformer tank is installed with high-speed grounding switch, and high-speed grounding switch is positioned at the 3rd The right side of outlet-pipe.
Described chopper includes housing, and the bottom of described housing is fixing with one end of supporting leg to be connected, described supporting leg The other end is fixing with base plate to be connected, and the top of described base plate is symmetrically arranged with the first oil cylinder and the second oil cylinder, described first oil cylinder Being positioned at the left side of the second oil cylinder, the top of described first oil cylinder is provided with head rod, and described head rod is away from first One end of oil cylinder is run through housing and extends to that the inside of housing is fixing with the first union joint to be connected, and the top of the second oil cylinder is provided with Second connecting rod, described second connecting rod runs through housing away from one end of the second oil cylinder and extends to the inside of housing with second even Joint is fixing to be connected, and described first union joint contacts with the first outlet-pipe away from the side of the second union joint, and described second connects Head contacts with the first inlet wire pipe away from the side of the first union joint, described housing be internally provided with the collar, the two of the described collar End has been respectively fixedly connected with the first cross bar and the second cross bar, and described first cross bar is provided with away from one end of the collar and is connected with first The first suitable contact head, described second cross bar is provided with second suitable with the second union joint away from one end of the collar Contact head.
Preferably, described bus-bar chamber is provided with the second outlet-pipe, described second outlet-pipe away from the side of the first outlet-pipe Being connected away from side and the spark gap of bus-bar chamber is fixing, the left side of described bus-bar chamber is also positioned at the peace fixed above of the second outlet-pipe Equipped with the second maintenance earthed switch.
Preferably, the bottom of described spark gap is installed with lightning-arrest support.
Preferably, the bottom of described bus-bar chamber is installed with the first bracing frame, and fixes in the bottom of the first bracing frame First cushion block is installed.
Preferably, the bottom of described coupling box is installed with the second bracing frame, and at the bottom welding of the second bracing frame There are three layers of shockproof parallels.
Preferably, the bottom surface of described 3rd outlet-pipe is installed with support bar, and is provided with in the bottom of support bar Two cushion blocks.
Preferably, the bottom of described transformer tank is installed with bearing frame, and the bottom of described bearing frame is installed with Substrate.
Preferably, the surface of described first outlet-pipe and the first inlet wire pipe is provided with current transformer.
(3) beneficial effect
The invention provides a kind of Cubicle Gas-Insulated Switchgear.Possess following beneficial effect:
1, this Cubicle Gas-Insulated Switchgear, by arranging chopper, and chopper uses hydraulic pressure to be driven, Not affected by supply voltage, the security performance of electric wiring is high, adds the service life of switchgear, effectively prevent electricity The phenomenon of gas fire occurs.
2, this Cubicle Gas-Insulated Switchgear, by connecting spark gap at the second outlet-pipe of bus-bar chamber, lightning-arrest Device makes lightning current flow into the earth, it is to avoid lightning surge switching devices causes damage, and protective capability is high, and the suitability is strong, reliably Property high, convenient and practical.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram;
Fig. 2 is the structural representation of chopper of the present invention;
Wherein, 1 bus-bar chamber, 2 first outlet-pipes, 3 bus isolating switch, 4 choppers, 5 first inlet wire pipes, 6 coupling boxes, 7 3rd outlet-pipe, 8 line disconnecting switches, 9 first maintenance with earthed switches, 10 transformer tanks, 11 fail close close earthed switches, 12 Bushing shell for transformer, 13 high-speed grounding switch, 14 housings, 15 supporting legs, 16 base plates, 17 first oil cylinders, 18 second oil cylinders, 19 first Connecting rod, 20 first union joints, 21 second connecting rods, 22 second union joints, 23 collars, 24 first cross bars, 25 second cross bars, 26 First contact head, 27 second contact heads, 28 second outlet-pipes, 29 spark gaps, 30 take shelter from the thunder support, 31 first bracing frames, 32 first Cushion block, 33 second bracing frames, 34 3 layers of shockproof parallels, 35 support bars, 36 second cushion blocks, 37 bearing frames, 38 substrates, 39 electric currents are mutual Sensor, 40 second maintenance are used.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise Embodiment, broadly falls into the scope of protection of the invention.
The embodiment of the present invention provides a kind of Cubicle Gas-Insulated Switchgear, as shown in Figure 1-2, including bus-bar chamber 1, The bottom of bus-bar chamber 1 is installed with the first bracing frame 31, and is installed with the first cushion block in the bottom of the first bracing frame 31 32, bus-bar chamber 1 is provided with the second outlet-pipe 28 away from the side of the first outlet-pipe 2, and the second outlet-pipe 28 is away from the one of bus-bar chamber 1 Side is fixing with spark gap 29 to be connected, and the bottom of spark gap 29 is installed with lightning-arrest support 30, taking shelter from the thunder of lightning-arrest support 30 top Lightning current is imported the earth by device 29, it is to avoid lightning surge damages switchgear, and the left side of bus-bar chamber 1 is also positioned at the second outlet-pipe 28 fixed above second maintenance earthed switch 40 is installed, the right side of bus-bar chamber 1 is provided with the first outlet-pipe 2, and first goes out The surface of spool 2 and the first inlet wire pipe 5 is provided with current transformer 39, and current transformer 39 is by the iron core closed and winding Composition, its first side winding number of turn is little, goes here and there in needing the circuit of electric current of measurement, and therefore it often has the whole of circuit Electric current flows through, and secondary side winding turn ratio is more, is serially connected in measuring instruments and protective loop, and current transformer 39 is in work Time, its secondary side circuit is Guan Bi all the time, and therefore the impedance of measuring instruments and protective loop series coil is the least, and electric current is mutual The duty of sensor 39 close to short circuit, the top of bus-bar chamber 1 is installed with bus isolating switch 3, the first outlet-pipe 2 away from The side of bus-bar chamber 1 is run through chopper 4 and extends to the inside of chopper 4, and chopper 4 leads to away from the side of the first outlet-pipe 2 Crossing the first inlet wire pipe 5 to connect with coupling box 6, the bottom of coupling box 6 is installed with the second bracing frame 33, and at the second bracing frame The bottom welding of 33 has three layers of shockproof parallels 34, three layers of shockproof parallels 34 effectively to buffer coupling box 6 impact force, it is to avoid punching Power of hitting is excessive causes coupling box 6 to damage, and coupling box 6 is provided with the 3rd outlet-pipe 7 away from the side of the first inlet wire pipe 5, and the 3rd goes out The bottom surface of spool 7 is installed with support bar 35, and is provided with the second cushion block 36, the top of coupling box 6 in the bottom of support bar 35 Portion is installed with line disconnecting switch 8, and the right side of coupling box 6 is installed with the first maintenance earthed switch 9, the 3rd outlet Pipe 7 runs through transformer tank 10 away from one end of coupling box 6 and extends to the inside of transformer tank 10, and the bottom of transformer tank 10 is solid Dingan County is equipped with bearing frame 37, and the bottom of bearing frame 37 is installed with substrate 38, and the top of transformer tank 10 is the most successively Being installed with fail close and close earthed switch 11 and bushing shell for transformer 12, the bottom of transformer tank 10 is installed with hot on touchdown Switch 13, and high-speed grounding switch 13 is positioned at the right side of the 3rd outlet-pipe 7.
As in figure 2 it is shown, chopper 4 includes housing 14, the bottom of housing 14 is fixing with one end of supporting leg 15 to be connected, and supports The other end of lower limb 15 is fixing with base plate 16 to be connected, and the top of base plate 16 is symmetrically arranged with the first oil cylinder 17 and the second oil cylinder 18, the One oil cylinder 17 is positioned at the left side of the second oil cylinder 18, and the top of the first oil cylinder 17 is provided with head rod 19, head rod 19 Run through housing 14 away from one end of the first oil cylinder 17 and extend to that the inside of housing 14 is fixing with the first union joint 20 to be connected, second The top of oil cylinder 18 is provided with the second connecting rod 21, and the second connecting rod 21 runs through housing 14 away from one end of the second oil cylinder 18 and prolongs Extending that the inside of housing 14 is fixing with the second union joint 22 to be connected, the first union joint 20 is away from the side and the of the second union joint 22 One outlet-pipe 2 contacts, and the second union joint 22 contacts with the first inlet wire pipe 5 away from the side of the first union joint 20, housing 14 interior Portion is provided with the collar 23, and the two ends of the collar 23 have been respectively fixedly connected with the first cross bar 24 and the second cross bar 25, and the first cross bar 24 is remote Be provided with first contact head 26 suitable with the first union joint 20 from one end of the collar 23, the second cross bar 25 is away from the collar 23 One end is provided with second contact head 27 suitable with the second union joint 22.
In sum, this Cubicle Gas-Insulated Switchgear, by arranging chopper 4, and chopper 4 uses hydraulic pressure Being driven, do not affected by supply voltage, the security performance of electric wiring is high, adds the service life of switchgear, has Effect avoids the phenomenon of electrical fire and occurs.
Further, connecting spark gap 29 by the second outlet-pipe 28 at bus-bar chamber 1, it is big that spark gap 29 makes lightning current flow into Ground, it is to avoid lightning surge switching devices causes damage, protective capability is high, and the suitability is strong, and reliability is high, convenient and practical.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible Understand these embodiments can be carried out multiple change away from the case of spirit, revise, replace without departing from the present invention And modification, the scope of the present invention be defined by the appended.

Claims (8)

1. a Cubicle Gas-Insulated Switchgear, including bus-bar chamber (1), it is characterised in that: the right side of described bus-bar chamber (1) Side is provided with the first outlet-pipe (2), and the top of described bus-bar chamber (1) is installed with bus isolating switch (3), and described first goes out Spool (2) runs through chopper (4) away from the side of bus-bar chamber (1) and extends to the inside of chopper (4), described chopper (4) Side away from the first outlet-pipe (2) is connected with coupling box (6) by the first inlet wire pipe (5), and described coupling box (6) is away from first The side of inlet wire pipe (5) is provided with the 3rd outlet-pipe (7), and the top of described coupling box (6) is installed with line disconnecting switch (8), the right side of described coupling box (6) is installed with the first maintenance earthed switch (9), described 3rd outlet-pipe (7) away from One end of coupling box (6) is run through transformer tank (10) and extends to the inside of transformer tank (10), described transformer tank (10) Top is installed with fail close the most successively and closes earthed switch (11) and bushing shell for transformer (12), described transformer tank (10) bottom is installed with high-speed grounding switch (13), and high-speed grounding switch (13) is positioned at the right side of the 3rd outlet-pipe (7) Side;
Described chopper (4) includes housing (14), and the bottom of described housing (14) is fixing with one end of supporting leg (15) to be connected, institute Stating that the other end of supporting leg (15) is fixing with base plate (16) to be connected, the top of described base plate (16) is symmetrically arranged with the first oil cylinder (17) and the second oil cylinder (18), described first oil cylinder (17) is positioned at the left side of the second oil cylinder (18), described first oil cylinder (17) Top is provided with head rod (19), and described head rod (19) runs through housing (14) away from one end of the first oil cylinder (17) And extending to that the inside of housing (14) is fixing with the first union joint (20) to be connected, the top of the second oil cylinder (18) is provided with the second company Extension bar (21), described second connecting rod (21) is run through housing (14) away from one end of the second oil cylinder (18) and extends to housing (14) Inside and the second union joint (22) fixing is connected, described first union joint (20) is away from the side and the of the second union joint (22) One outlet-pipe (2) contacts, and described second union joint (22) connects with the first inlet wire pipe (5) away from the side of the first union joint (20) Touch, described housing (14) be internally provided with the collar (23), the two ends of the described collar (23) have been respectively fixedly connected with the first cross bar (24) and the second cross bar (25), described first cross bar (24) is provided with and the first union joint (20) phase away from one end of the collar (23) Adaptive the first contact head (26), described second cross bar (25) is provided with and the second union joint (22) away from one end of the collar (23) Suitable the second contact head (27).
A kind of Cubicle Gas-Insulated Switchgear the most according to claim 1, it is characterised in that: described bus-bar chamber (1) side away from the first outlet-pipe (2) is provided with the second outlet-pipe (28), and described second outlet-pipe (28) is away from bus-bar chamber (1) side and spark gap (29) are fixing to be connected, and the left side of described bus-bar chamber (1) is also positioned at the top of the second outlet-pipe (28) and consolidates Dingan County equipped with the second maintenance with earthed switch (40).
A kind of Cubicle Gas-Insulated Switchgear the most according to claim 2, it is characterised in that: described spark gap (29) bottom is installed with lightning-arrest support (30).
A kind of Cubicle Gas-Insulated Switchgear the most according to claim 1, it is characterised in that: described bus-bar chamber (1) bottom is installed with the first bracing frame (31), and is installed with the first cushion block in the bottom of the first bracing frame (31) (32)。
A kind of Cubicle Gas-Insulated Switchgear the most according to claim 1, it is characterised in that: described coupling box (6) bottom is installed with the second bracing frame (33), and has three layers of shockproof parallels at the bottom welding of the second bracing frame (33) (34)。
A kind of Cubicle Gas-Insulated Switchgear the most according to claim 1, it is characterised in that: described 3rd outlet The bottom surface of pipe (7) is installed with support bar (35), and the bottom of support bar (35) is provided with the second cushion block (36).
A kind of Cubicle Gas-Insulated Switchgear the most according to claim 1, it is characterised in that: described transformer tank (10) bottom is installed with bearing frame (37), and the bottom of described bearing frame (37) is installed with substrate (38).
A kind of Cubicle Gas-Insulated Switchgear the most according to claim 1, it is characterised in that: described first outlet The surface of pipe (2) and the first inlet wire pipe (5) is provided with current transformer (39).
CN201610655810.XA 2016-08-11 2016-08-11 A kind of Cubicle Gas-Insulated Switchgear Pending CN106253122A (en)

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CN201610655810.XA CN106253122A (en) 2016-08-11 2016-08-11 A kind of Cubicle Gas-Insulated Switchgear

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CN201610655810.XA CN106253122A (en) 2016-08-11 2016-08-11 A kind of Cubicle Gas-Insulated Switchgear

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109861118A (en) * 2018-12-21 2019-06-07 广东东捷实业有限公司 A kind of outdoor compact type intelligent substation
CN111193194A (en) * 2019-12-17 2020-05-22 平高集团有限公司 GIS sleeve pipe support and support main part thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3256836B2 (en) * 1996-09-02 2002-02-18 株式会社日立製作所 Gas insulated switchgear
CN2796202Y (en) * 2005-06-06 2006-07-12 正泰电气股份有限公司 Gas insulation metal sealed closed switch device
CN201113288Y (en) * 2007-09-07 2008-09-10 西安电力机械制造公司 Gas insulated metal sealing switch apparatus
CN201904566U (en) * 2010-11-08 2011-07-20 新东北电气集团高压开关有限公司 Gas-insulated metal-enclosed switchgear
CN202268645U (en) * 2011-07-13 2012-06-06 平高集团有限公司 Gas-insulated metal-enclosed switch equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3256836B2 (en) * 1996-09-02 2002-02-18 株式会社日立製作所 Gas insulated switchgear
CN2796202Y (en) * 2005-06-06 2006-07-12 正泰电气股份有限公司 Gas insulation metal sealed closed switch device
CN201113288Y (en) * 2007-09-07 2008-09-10 西安电力机械制造公司 Gas insulated metal sealing switch apparatus
CN201904566U (en) * 2010-11-08 2011-07-20 新东北电气集团高压开关有限公司 Gas-insulated metal-enclosed switchgear
CN202268645U (en) * 2011-07-13 2012-06-06 平高集团有限公司 Gas-insulated metal-enclosed switch equipment

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现代重工: "气体绝缘金属封闭开关设备", 《现代重工官方网站》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109861118A (en) * 2018-12-21 2019-06-07 广东东捷实业有限公司 A kind of outdoor compact type intelligent substation
CN111193194A (en) * 2019-12-17 2020-05-22 平高集团有限公司 GIS sleeve pipe support and support main part thereof

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Application publication date: 20161221

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