CN210016172U - Box-sharing type multifunctional detachable device for GIS - Google Patents

Box-sharing type multifunctional detachable device for GIS Download PDF

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Publication number
CN210016172U
CN210016172U CN201921342180.6U CN201921342180U CN210016172U CN 210016172 U CN210016172 U CN 210016172U CN 201921342180 U CN201921342180 U CN 201921342180U CN 210016172 U CN210016172 U CN 210016172U
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China
Prior art keywords
conductor
hole
box
gis
cover plate
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Active
Application number
CN201921342180.6U
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Chinese (zh)
Inventor
刘金记
唐先明
高伟勋
曾绪文
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.)
CHINA XIDIAN ELECTRIC Co Ltd
XI'AN XD HIGH VOLTAGE APPARATUS CO Ltd
China XD Electric Co Ltd
Original Assignee
CHINA XIDIAN ELECTRIC Co Ltd
XI'AN XD HIGH VOLTAGE APPARATUS CO Ltd
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Application filed by CHINA XIDIAN ELECTRIC Co Ltd, XI'AN XD HIGH VOLTAGE APPARATUS CO Ltd filed Critical CHINA XIDIAN ELECTRIC Co Ltd
Priority to CN201921342180.6U priority Critical patent/CN210016172U/en
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Abstract

The utility model discloses a box-sharing type multifunctional detachable device for GIS, which comprises a shell, wherein a cavity is arranged in the shell, a first through hole, a second through hole, a third through hole and a fourth through hole which are all communicated with the cavity are arranged on the shell, the first through hole is used for being connected with first equipment, a first air isolation flange is arranged at the first through hole, a detachable first cover plate is arranged at the second through hole, the third through hole is used for being connected with second equipment, a second air isolation insulator is arranged at the third through hole, a detachable second cover plate is arranged at the fourth through hole, a first conductor, a rotating conductor, a second conductor and a third conductor are arranged in the cavity, the first conductor is fixed on the first air isolation flange, the third conductor is fixed on the second air isolation insulator, one end of the second conductor is connected with the third conductor, the other end of the second conductor is connected with one end of the rotating conductor, the other end of the rotating conductor is used for connecting with the first conductor. The connection structure can be simplified and the multi-part connection can be realized.

Description

Box-sharing type multifunctional detachable device for GIS
Technical Field
The utility model relates to a power equipment technical field especially relates to a box GIS uses multi-functional detachable device altogether.
Background
The gas insulated metal enclosed switchgear, GIS for short, is a complete set of combined electrical apparatus using SF6 gas as insulating and arc extinguishing medium, and is composed of high-voltage electrical apparatus elements such as circuit breaker, isolation grounding combined switch, quick grounding switch, current transformer, voltage transformer, lightning arrester, incoming and outgoing line sleeve or cable terminal, etc. The method can be used for various power plants and substations in alternating current power systems with different voltage grades. The system has the characteristics of small occupied area, small occupied space, no influence of external environmental conditions, no noise and radio interference, safe and reliable operation, small maintenance workload and the like, and is particularly suitable for urban transformer substations with short land, enterprise transformer substations, mountain hydropower stations and seriously polluted areas.
Three-phase voltage transformer, arrester are important component among the GIS, and three-phase voltage transformer or arrester can be connected usually to case GIS altogether in the design application process, and this just needs a device of connecting three-phase voltage transformer or arrester at three-phase equipment, for convenient to three-phase voltage transformer or arrester maintenance, the device need possess the isolation fracture function.
In the existing combined electrical apparatus design process, a three-phase voltage transformer or an arrester is required to be connected with a three-phase box GIS device, the connection structure is complex, the three-phase voltage transformer is required to be disassembled to carry out a withstand voltage test on the three-phase box GIS device, and the three-phase voltage transformer and the arrester can not be connected simultaneously.
Therefore, how to provide a multifunctional detachable device for a common box type GIS to simplify the connection structure and achieve the connection of multiple components is a technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to a multifunctional detachable device for a common box type GIS, so as to simplify the connection structure and achieve the connection of multiple components.
In order to achieve the above object, the utility model provides a following technical scheme:
a multifunctional detachable device for a common-box GIS comprises a shell, wherein a cavity is arranged in the shell, a first through hole, a second through hole, a third through hole and a fourth through hole which are communicated with the cavity are formed in the shell, the first through hole is used for being connected with first equipment, a first air isolation flange is arranged at the first through hole, a detachable first cover plate is arranged at the second through hole and used for being connected with second equipment, a second air isolation insulator is arranged at the third through hole, a detachable second cover plate is arranged at the fourth through hole, a first conductor, a rotating conductor, a second conductor and a third conductor are arranged in the cavity, the first conductor is fixed on the first air isolation flange, the third conductor is fixed on the second air isolation insulator, and one end of the second conductor is connected with the third conductor, the other end of the second conductor is connected with one end of the rotating conductor, and the other end of the rotating conductor is used for being connected with the first conductor.
Preferably, the other end of the second conductor is provided with a socket, and one end of the rotating conductor is matched with the socket for use.
Preferably, the side wall of the second conductor is provided with an orientation reserved installation interface of the fourth through hole, when the lightning arrester needs to be installed, the second cover plate is detached, the fourth through hole is connected with the lightning arrester, a third air-insulated insulator is arranged at the fourth through hole, the fourth conductor is fixed on the third air-insulated insulator, and the fourth conductor is connected with the reserved installation interface.
Preferably, a reserved installation interface facing the fourth through hole is arranged on the side wall of the second conductor, when a single-phase voltage transformer needs to be installed for connection, the second cover plate is detached, the fourth through hole is connected with the single-phase voltage transformer, a third air-isolating insulator is arranged at the fourth through hole, a fourth conductor is fixed on the third air-isolating insulator, and the fourth conductor is connected with the reserved installation interface.
Preferably, the first device is a three-phase voltage transformer or a single-phase voltage transformer.
Preferably, the second device is a three-phase common box GIS device.
Preferably, a first adsorbent is disposed on one side of the first cover plate facing the cavity, and a density relay is disposed on one side of the first cover plate facing away from the cavity.
Preferably, a second adsorbent is disposed on the second cover plate and on a side facing the cavity.
Preferably, the cavity is filled with SF6 gas.
The utility model provides a box-sharing GIS uses multi-functional detachable device, including the casing, the casing is inside to be provided with the cavity, set up on the casing first through-hole, second through-hole, third through-hole and fourth through-hole all with the cavity intercommunication, first through-hole is used for being connected with first equipment, first through-hole department is provided with first air isolation insulator, second through-hole department is provided with detachable first apron, third through-hole department is used for being connected with second equipment, third through-hole department is provided with second air isolation insulator, fourth through-hole department is provided with detachable second apron, be provided with first conductor, rotating conductor, second conductor and third conductor in the cavity, first conductor fixes on first air isolation insulator, the third conductor fixes on the second air isolation insulator, the one end of second conductor with the third conductor is connected, the other end of the second conductor is connected with one end of the rotating conductor, and the other end of the rotating conductor is used for being connected with the first conductor.
The first device is a three-phase voltage transformer or a single-phase voltage transformer. The second equipment is three-phase box-sharing GIS equipment. When the three-phase box-sharing GIS equipment needs a withstand voltage test, the first cover plate is removed, then the connecting piece between the first conductor and the rotating conductor is removed through the second through hole, the first conductor and the second conductor can be separated through the rotating conductor, an effective fracture is formed, and the three-phase box-sharing GIS equipment can be subjected to the withstand voltage test without dismounting the three-phase voltage transformer.
When the lightning arrester needs to be installed or the single-phase voltage transformer needs to be installed, the second cover plate is detached, the side wall of the second conductor is provided with an orientation, reserved installation interfaces of the fourth through hole are connected with the lightning arrester or the single-phase voltage transformer through the fourth through hole. Thereby simplifying the connection structure and achieving multi-part connection.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a first specific implementation of a common-box type multifunctional detachable device for a GIS according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second specific implementation of the common-box type multifunctional detachable device for a GIS according to an embodiment of the present invention.
In the above FIGS. 1-2:
the device comprises a first air isolation insulator 1, a first conductor 2, a second air isolation insulator 3, a rotating conductor 4, a second cover plate 5, a first adsorbent 6, a reserved installation interface 7, a second conductor 8, a third conductor 9, a three-phase common box GIS device 10, a first cover plate 11, a density relay 12, a shell 13, a three-phase voltage transformer 14, a fourth conductor 15, a lightning arrester 16, a second adsorbent 17 and a third air isolation insulator 18.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a first specific implementation of a common-box type multifunctional detachable device for a GIS according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a second specific implementation of the common-box type multifunctional detachable device for a GIS according to an embodiment of the present invention.
Interpretation of terms:
gas insulated metal enclosed switchgear (GIS) is a device in which electrical components are enclosed in a grounded metal case and SF6 gas is used as an insulating medium.
Air chamber: the GIS is the area formed between two blind partitions.
Air-insulated insulator: an element separating or supporting the air chambers.
The utility model provides a box-sharing GIS uses multi-functional detachable device, including casing 13, casing 13 is inside to be provided with the cavity, casing 13 is last to be seted up all with cavity intercommunication first through-hole, second through-hole, third through-hole and fourth through-hole, first through-hole is used for being connected with first equipment, first through-hole department is provided with first air isolation insulator 1, second through-hole department is provided with detachable first apron 11, the third through-hole is used for being connected with second equipment, third through-hole department is provided with second air isolation insulator 3, fourth through-hole department is provided with detachable second apron 5, be provided with first conductor 2 in the cavity, rotating conductor 4, second conductor 8 and third conductor 9, first conductor 2 is fixed on first air isolation insulator 1, third conductor 9 is fixed on second air isolation insulator 3, one end and the third conductor 9 of second conductor 8 are connected, the other end of the second conductor 8 is connected to one end of the rotary conductor 4, and the other end of the rotary conductor 4 is connected to the first conductor 2.
The first device is a three-phase voltage transformer 14 or a single-phase voltage transformer. The second device is a three-phase common box GIS device 10. When the three-phase box-sharing GIS equipment 10 needs a withstand voltage test, the first cover plate 11 is removed, then the connecting piece between the first conductor 2 and the rotating conductor 4 is removed through the second through hole, the first conductor 2 and the second conductor 8 can be separated through the rotating conductor 4, an effective fracture is formed, and the withstand voltage test can be carried out on the three-phase box-sharing GIS equipment 10 without removing the three-phase voltage transformer 14.
When the lightning arrester 16 or the single-phase voltage transformer needs to be installed, the second cover plate 5 is detached, the reserved installation interface 7 facing the fourth through hole is arranged on the side wall of the second conductor 8, and the lightning arrester 16 or the single-phase voltage transformer can be connected through the fourth through hole. Thereby simplifying the connection structure and achieving multi-part connection.
Specifically, a reserved mounting interface 7 facing to a fourth through hole is arranged on the side wall of the second conductor 8, when a lightning arrester 16 needs to be mounted, the second cover plate 5 is detached, the fourth through hole is connected with the lightning arrester 16, a third air-insulated insulator 18 is arranged at the fourth through hole, a fourth conductor 15 is fixed on the third air-insulated insulator 18, and the fourth conductor 15 is connected with the reserved mounting interface 7.
The side wall of the second conductor 8 is provided with a reserved mounting interface 7 facing to the fourth through hole, when a single-phase voltage transformer needs to be mounted for connection, the second cover plate 5 is detached, the fourth through hole is connected with the single-phase voltage transformer, a third air-isolating insulator 18 is arranged at the fourth through hole, a fourth conductor 15 is fixed on the third air-isolating insulator 18, and the fourth conductor 15 is connected with the reserved mounting interface 7.
Wherein, the other end of the second conductor 8 is provided with a socket, and one end of the rotary conductor 4 is matched with the socket to form a rotary connection relation.
Wherein, the first cover plate 11 is provided with a first adsorbent 6 on one side facing the cavity, and the first cover plate 11 is provided with a density relay 12 on one side far away from the cavity. A second adsorbent 17 is arranged on the second cover plate 5 and on the side facing the cavity. The cavity is filled with SF6 gas.
The embodiment of the utility model provides a be total to box GIS with multi-functional detachable device is a complete scheme that the solution is total to box GIS three phase equipment and three-phase voltage transformer 14 or arrester 16 are connected. A multifunctional detachable device is arranged between the three-phase box-shared GIS equipment 10 and the three-phase voltage transformer 14 or the lightning arrester 16, and the requirements of connection and detachment of the GIS equipment and the three-phase conductor of the three-phase voltage transformer 14 or the lightning arrester 16 are met. The detachable device has various functions, can be connected with one element in the three-phase voltage transformer 14 or the lightning arrester 16, and can also be simultaneously connected with two elements of the three-phase voltage transformer 14 and the lightning arrester 16; the detachable device is high in practicability and convenient to operate, one or two elements which are connected randomly form a reliable fracture, and the actual requirements of users are met.
The embodiment of the utility model provides a be total to box GIS with multi-functional detachable device sets up multi-functional detachable device between GIS equipment 10 and three-phase voltage transformer 14 or arrester 16 totally at the three-phase, the device structural design is simple compact, convenient operation, practicality are strong. The multifunctional detachable device includes a housing 13 and an inner conductor.
Through first gas insulation insulator 1 will the embodiment of the utility model provides a box GIS is with multi-functional detachable device design is for independent air chamber altogether, and the cavity is independent air chamber promptly, does not influence three-phase voltage transformer 14 and three-phase altogether GIS equipment 10 place air chamber when this air chamber breaks empty, and the three-phase voltage transformer 14 and three-phase of being convenient for are accomplished and are maintained altogether GIS equipment 10.
The cavity is filled with SF6 gas with rated pressure, a density relay 12 and a first adsorbent 6 are installed, the density relay 12 monitors the pressure of the SF6 gas in the cavity in real time, and the first adsorbent 6 ensures that the micro-water content of the SF6 gas in the cavity is qualified.
The shell 13 is a four-way shell and is a welding piece. The shell 13 is provided with a first through hole, a second through hole, a third through hole and a fourth through hole, the first through hole and the third through hole are oppositely arranged, the second through hole and the fourth through hole are oppositely arranged, the first through hole and the third through hole are respectively connected with a three-phase common-box GIS device 10 and a sequence three-phase voltage transformer 14, a first cover plate 11 is installed at the second through hole, a second cover plate 5 is installed at the fourth through hole, the second cover plate 5 is a flat cover plate, a density relay 12 is installed on the first cover plate 11, adsorbents are installed inside the first cover plate 11 and the second cover plate 5, the operation opening can be used after the first cover plate 11 is removed, and an operation space is provided for removing a conductor inside the cavity.
The conductors inside the cavity consist of a first conductor 2, a rotating conductor 4, a second conductor 8 and a third conductor 9. First conductor 2 and third conductor 9 pass through the standard component to be fixed respectively on first gas isolation flange 1 and second gas isolation insulator 3, and 8 one end of second conductor link to each other with third conductor 9 through the standard component, and the interface is designed to 8 other one ends of second conductor, and rotating conductor 4 upper end and first conductor 2 pass through standard component fixed connection, and rotating conductor 4 lower extreme is connected with second conductor 8 through pegging graft.
When the three-phase box-sharing GIS equipment 10 needs a withstand voltage test, the first cover plate 11 is removed, then the standard part between the first conductor 2 and the rotating conductor 4 is removed as an operation opening through the second through hole, the first conductor 2 and the second conductor 8 can be separated through the rotating conductor 4, an effective fracture is formed, and the withstand voltage test can be carried out on the three-phase box-sharing GIS equipment 10 without removing the three-phase voltage transformer 14.
The embodiment of the utility model provides a be multi-functional detachable device for GIS altogether is multi-functional design, and installation interface 7 is reserved to 8 special designs of second conductor, reserves 7 accessible grafting installation fourth conductors 15 of installation interface, and arrester 16 is connected with three-phase case GIS equipment 10 altogether through third air-insulated insulator 18 and fourth conductor 15. Namely, the embodiment of the utility model provides a be total to box GIS with multi-functional detachable device can connect two components of three-phase voltage transformer 14 and arrester 16 simultaneously.
The embodiment of the utility model provides a be total to box GIS with multi-functional detachable device not only forms reliable fracture between three-phase voltage transformer 14 and three-phase total case GIS equipment 10, arrester 16 and three-phase total case GIS equipment 10 also can form reliable fracture. Namely, after the rotating conductor 4 is removed, the second conductor 8 is removed by removing the standard part between the second conductor 8 and the third conductor 9, so that a reliable fracture is formed between the lightning arrester 16 and the three-phase common-box GIS equipment 10.
The embodiment of the utility model provides a be total to box GIS with multi-functional detachable device can also use and be connected a single-phase voltage transformer, or two single-phase voltage transformer, or a single-phase voltage transformer and an arrester 16, or a single-phase voltage transformer and a three-phase voltage transformer 14, the convenient reliable fracture that all can form through dismantling.
The embodiment of the utility model provides a box GIS is with multi-functional detachable device's key point lies in altogether:
1. the multifunctional detachable device is compact in structural design, and connection between the three-phase box-shared GIS equipment 10 and the three-phase voltage transformer 14 or the lightning arrester 16 is achieved.
2. The multifunctional detachable device is designed in an independent air chamber.
3. The design of the rotary detachable structure of the inner conductor of the multifunctional detachable device is convenient to operate, and a reliable fracture is formed between the three-phase common-box GIS equipment 10 and the three-phase voltage transformer 14 or the lightning arrester 16.
The multifunctional detachable device for the common-box GIS provided by the embodiment of the utility model has simple and compact structural design; the rotary detachable conductor in the device is convenient to detach, easy to operate and strong in practicability, and has the function of isolating a fracture; the dismounting device has various functions, can be applied to and connected with a single-phase voltage transformer, or two single-phase voltage transformers, or a single-phase voltage transformer and a lightning arrester 16, or a single-phase voltage transformer and a three-phase voltage transformer 14, and can conveniently form a reliable fracture through dismounting.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. A multifunctional detachable device for a common-box GIS is characterized by comprising a shell,
a cavity is arranged in the shell, a first through hole, a second through hole, a third through hole and a fourth through hole which are all communicated with the cavity are arranged on the shell,
the first through hole is used for being connected with first equipment, a first air isolation flange is arranged at the first through hole,
a first detachable cover plate is arranged at the second through hole,
the third through hole is used for being connected with second equipment, a second air-insulated insulator is arranged at the third through hole,
a detachable second cover plate is arranged at the fourth through hole,
a first conductor, a rotating conductor, a second conductor and a third conductor are arranged in the cavity, the first conductor is fixed on the first air isolation insulator, the third conductor is fixed on the second air isolation insulator,
one end of the second conductor is connected with the third conductor, the other end of the second conductor is connected with one end of the rotating conductor, and the other end of the rotating conductor is used for being connected with the first conductor.
2. The multifunctional detachable device for a common-box GIS according to claim 1 is characterized in that the other end of the second conductor is provided with a socket, and one end of the rotary conductor is matched with the socket.
3. The multifunctional detachable device for the common-box GIS according to claim 1 is characterized in that a reserved installation interface facing the fourth through hole is arranged on the side wall of the second conductor, when an arrester needs to be installed, the second cover plate is detached, the fourth through hole is connected with the arrester, a third air-isolating insulator is arranged at the fourth through hole, a fourth conductor is fixed on the third air-isolating insulator, and the fourth conductor is connected with the reserved installation interface.
4. The multifunctional detachable device for a common-box GIS according to claim 1 is characterized in that a reserved installation interface facing the fourth through hole is arranged on the side wall of the second conductor, when a single-phase voltage transformer needs to be installed for connection, the second cover plate is detached, the fourth through hole is connected with the single-phase voltage transformer, a third air-isolating insulator is arranged at the fourth through hole, a fourth conductor is fixed on the third air-isolating insulator, and the fourth conductor is connected with the reserved installation interface.
5. The multifunctional detachable device for a common-box GIS according to claim 1 is characterized in that the first equipment is a three-phase voltage transformer or a single-phase voltage transformer.
6. The multifunctional detachable device for common-box GIS of claim 1 wherein the second device is a three-phase common-box GIS device.
7. The multifunctional detachable device for a common-box GIS according to claim 1 is characterized in that a first adsorbent is disposed on the first cover plate and on the side facing the cavity, and a density relay is disposed on the first cover plate and on the side facing away from the cavity.
8. The multifunctional detachable device for common-box GIS according to claim 1 is characterized in that a second adsorbent is disposed on the second cover plate and on the side facing the cavity.
9. The multifunctional detachable device for common-box GIS of claim 1 wherein said cavity is filled with SF6 gas.
CN201921342180.6U 2019-08-19 2019-08-19 Box-sharing type multifunctional detachable device for GIS Active CN210016172U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921342180.6U CN210016172U (en) 2019-08-19 2019-08-19 Box-sharing type multifunctional detachable device for GIS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921342180.6U CN210016172U (en) 2019-08-19 2019-08-19 Box-sharing type multifunctional detachable device for GIS

Publications (1)

Publication Number Publication Date
CN210016172U true CN210016172U (en) 2020-02-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921342180.6U Active CN210016172U (en) 2019-08-19 2019-08-19 Box-sharing type multifunctional detachable device for GIS

Country Status (1)

Country Link
CN (1) CN210016172U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112467597A (en) * 2020-10-30 2021-03-09 平高集团有限公司 Electric connection assembly and high-voltage switch using same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112467597A (en) * 2020-10-30 2021-03-09 平高集团有限公司 Electric connection assembly and high-voltage switch using same

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