CN210926854U - Dry-type sleeve connecting device and GIS equipment - Google Patents

Dry-type sleeve connecting device and GIS equipment Download PDF

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Publication number
CN210926854U
CN210926854U CN201922418205.2U CN201922418205U CN210926854U CN 210926854 U CN210926854 U CN 210926854U CN 201922418205 U CN201922418205 U CN 201922418205U CN 210926854 U CN210926854 U CN 210926854U
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China
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conductor
dry
conversion
conductors
connection
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CN201922418205.2U
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Chinese (zh)
Inventor
刘金记
唐先明
高伟勋
宋涛
郝瑞浩
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Xi'an Xd High Voltage Apparatus Co ltd
China XD Electric Co Ltd
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Xi'an Xd High Voltage Apparatus Co ltd
China XD Electric Co Ltd
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Abstract

The utility model discloses a dry-type sheathed tube connecting device and GIS equipment for connect dry-type sleeve pipe and insulator, it includes: the lower end interface of the six-way shell is connected with the insulator, and three upper end interfaces of the six-way shell are arranged in a coplanar manner; conversion conductors are arranged in each upper end interface, and the conversion conductors are connected with the inserts of the insulators in a one-to-one correspondence manner; the upper end of the connecting conductor is detachably connected with the conductors of the dry-type sleeve in a one-to-one correspondence manner, and the connecting conductor is detachably spliced with the conversion conductor in a one-to-one correspondence manner; and the bus tube is connected with the upper end interface of the six-way shell and the dry-type sleeve, and a conductor of the dry-type sleeve passes through the bus tube to be connected with the connecting conductor. The three dry type sleeves are arranged on the same six-way shell, and the structure of the connecting device can be simplified due to the common box type design, so that the structure is simpler and more compact, and the occupied space of GIS equipment is reduced.

Description

Dry-type sleeve connecting device and GIS equipment
Technical Field
The utility model belongs to the technical field of electrical components's technique and specifically relates to a dry-type sheathed tube connecting device and GIS equipment.
Background
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. The high-voltage device mainly comprises high-voltage device elements such as a circuit breaker, an isolation grounding combination switch, a quick grounding switch, a current transformer, a voltage transformer, a lightning arrester, an inlet and outlet bushing or a cable terminal and the like. The method can be used for various power plants and substations in alternating current power systems with different voltage grades. The equipment 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, so the equipment is particularly suitable for urban substations with short land, enterprise substations, mountain hydropower stations and areas with serious pollution.
The sleeve is one of important elements in gas insulated metal enclosed combined electrical equipment (GIS for short), and reliably connects the overhead bus with the GIS.
The scheme that present dry-type sleeve pipe is applied to GIS is the design of box-separating formula structure, and three dry-type sleeve pipes are installed in the casing of difference promptly, and this makes the whole occupation space of GIS equipment big.
Therefore, how to provide a connection device for a dry bushing to reduce the overall occupied space of the GIS equipment is an urgent technical problem to be solved in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a dry-type bushing connection device to reduce the overall occupied space of the GIS equipment. Another object of the present invention is to provide a GIS device having the above dry sleeve connecting device.
In order to achieve the above object, the utility model provides a following technical scheme:
a connecting device of a dry bushing for connecting the dry bushing and an insulator, comprising:
the lower end interface of the six-way shell is connected with the insulator, and three upper end interfaces of the six-way shell are arranged in a coplanar manner; each upper end port is internally provided with a conversion conductor, and the conversion conductors are connected with the inserts of the insulators in a one-to-one correspondence manner;
the upper end of the connecting conductor is detachably connected with the conductors of the dry type sleeve in a one-to-one correspondence manner, and the connecting conductor is detachably spliced with the conversion conductor in a one-to-one correspondence manner;
and the bus tube is connected with the upper end interface of the six-way shell and the dry-type sleeve, and a conductor of the dry-type sleeve passes through the bus tube to be connected with the connecting conductor.
Preferably, in the above connecting device, the conversion conductor includes:
one end of the first conversion conductor is connected with the insert of the insulator, the other end of the first conversion conductor extends into the upper end interface, and the first conversion conductor is of a bent structure;
and one end of the second conversion conductor is fixedly connected with the first conversion conductor, and the other end of the second conversion conductor is detachably spliced with the connecting conductor.
Preferably, in the above connection device, a middle second transition conductor of the second transition conductors is arranged perpendicular to the insulator, and angles between two side second transition conductors of the second transition conductors and the middle second transition conductor are both 45 °.
Preferably, in the above-described connection device, the second conversion conductor has a socket that can be inserted into the connection conductor.
Preferably, in the above-described connection device, the connection conductor has a T-shaped structure, and a diameter of an end of the connection conductor close to the dry bushing is larger than a diameter of an end of the connection conductor close to the conversion conductor.
Preferably, in the above connection device, the adsorbent and the sensor are respectively sealed in the side ports on both sides of the six-way housing.
A GIS device comprising a dry bushing connection device, wherein the dry bushing connection device is any one of the dry bushing connection devices described above.
According to the above technical scheme, the utility model discloses a dry-type sheathed tube connecting device for connect dry-type sleeve pipe and insulator, include: six lead to casings and generating line section of thick bamboo, with three dry-type sleeve pipe installations on same six lead to casings, for box design altogether, can simplify connecting device's structure for the structure is more simple compact, has reduced GIS equipment's occupation space.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a GIS device disclosed in an embodiment of the present invention;
fig. 2 is a schematic structural view of a six-way housing disclosed in an embodiment of the present invention.
Detailed Description
In view of this, the core of the present invention is to disclose a dry-type bushing connection device to reduce the overall occupied space of the GIS equipment. Another core of the present invention is to disclose a GIS device having the above dry bushing connecting device.
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 and 2, the present invention discloses a dry bushing connecting device for connecting a dry bushing 10 and an insulator 1, comprising: a six-way housing 4 and a bus bar drum 9. Wherein, six lead to casing 4 is for having the structure of six interfaces, is connected six lead to casing 4's lower extreme interface and insulator 1, and six lead to casing 4's three upper end interface coplane arranges, specifically, three upper end interface arranges along six lead to casing 4's circumference, is fan-shaped and arranges. All be provided with the conversion conductor in every upper end interface, and the inserts one-to-one of conversion conductor and insulator 1 is connected, specifically, have three inserts that are equilateral triangle and arrange on the insulator 1, after conversion conductor corresponds with the inserts one by one and is connected, three conversion conductor inserts corresponding upper end interface respectively, because foretell three upper end interface coplane arranges, consequently, three conversion conductor is crooked structure. In addition, there is a connecting conductor 8 arranged in the upper port, the upper end of the connecting conductor 8 is detachably connected with the conductor of the dry-type bushing 10 in a one-to-one correspondence, and the connecting conductor 8 is detachably plugged with the conversion conductor in a one-to-one correspondence. The dry-type sleeve 10 is connected with the insert of the insulator 1 through the connecting conductor 8, and the dry-type sleeve is convenient to detach by adopting a plug-in mode. The bus-tube 9 connects the upper end interface of the six-way housing 4 with the dry-type bushing 10, and the conductor of the dry-type bushing 10 passes through the bus-tube 9 and is connected with the connecting conductor 8. In the application, three dry type sleeves 10 are arranged on the same six-way shell 4, and the structure of the connecting device can be simplified for the common box type design, so that the structure is simpler and more compact, and the occupied space of the GIS equipment is reduced.
In a preferred embodiment, the switching conductor includes: a first switching conductor 2 and a second switching conductor 3. One end of the first conversion conductor 2 is connected with the insert of the insulator 1, the other end of the first conversion conductor extends into the upper end interface, and the first conversion conductor 2 is of a bent structure; one end of the second switching conductor 3 is fixedly connected with the first switching conductor 2, and the other end is detachably plugged with the connecting conductor 8. The specific curved shape of the first transition conductor 2 can be set according to different needs, as long as the coplanarity of the first transition conductor 2 is ensured. The transformation of the internal transition conductor of the connecting device leads the center lines of the installed dry type bushings 10 to be in the same plane, so as to further reduce the occupied space. The second conversion conductor 3 is inserted into the connecting conductor 8, so that the installation is convenient.
The second switching conductor in the middle of the second switching conductors 3 is arranged perpendicular to the insulator 1, and the included angles between the second switching conductors on both sides of the second switching conductors 3 and the second switching conductor in the middle are both 45 degrees. Here, a specific position relationship of the second converting conductor 3 is disclosed, and in practice, the arrangement of the second converting conductor 3 can be set according to different requirements, and all are within the protection range.
In a specific embodiment, the second conversion conductor 3 has a socket capable of being plugged with the connection conductor 8, and the shape and size of the socket need to be designed according to the shape and size of the connection conductor 8, which is not specifically limited herein.
The connecting conductor 8 in this application is of a T-shaped structure, and the diameter of the end of the connecting conductor 8 close to the dry bushing 10 is larger than the diameter of the end of the connecting conductor 8 close to the transition conductor. The T-shaped structure ensures the uniformity and stability of the internal electric field. The connection conductor 8 is connected to the conductor of the dry bushing 10 by a screw, and in practice, when the dry bushing 10 needs to be replaced, the connection conductor 8 is simply pulled out of the second transition conductor 3 and the connection conductor 8 matching the screw of the dry bushing 10 is replaced. Because the dry type sleeve pipes 10 with different specifications have different conductor lengths and interface sizes, the problem that the dry type sleeve pipes are applied to the three-phase common-box GIS equipment 11 is solved and the connection between the dry type sleeve pipes 10 with any specifications and the three-phase common-box GIS equipment 11 is realized by adjusting the length of the bus bar barrel 9 and the size of the threaded holes at the upper ends of the connecting conductors 8.
The six-way shell 4 and the bus tube 9 are filled with high-pressure gas, and the adsorbent 7 and the sensor are respectively packaged in the side ports at the two sides of the six-way shell 4. Specifically, the cover plate 6 is fixed on a first side edge port of the six-way shell 4 through a standard connecting piece, an adsorbent 7 is installed in the cover plate, and the adsorbent 7 ensures that the micro-water content of high-pressure gas in the six-way shell 4 is qualified. The monitoring cover plate 5 is fixed on a second side edge port of the six-way shell 4, the monitoring cover plate 5 can be provided with a partial discharge sensor or a density and micro-water pressure sensor, and the discharge amount, the gas pressure and the micro-water content in the six-way shell 4 can be monitored through the sensor at any time.
The connecting device disclosed above has various installation forms, three dry type sleeves 10 can be installed on the three-phase common box GIS device 11 in a vertical state, and also can be installed on the three-phase common box GIS device 11 in a horizontal state, and the three dry type sleeves can be installed according to different requirements by technicians in the field and are all in a protection range.
In addition, the present application further discloses a GIS device, including a connection device of a dry-type bushing, where the connection device of the dry-type bushing is the connection device of the dry-type bushing disclosed in the foregoing embodiments, and therefore, the GIS device having the connection device of the dry-type bushing also has all the above technical effects, which is not described in detail herein.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
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 (7)

1. A dry bushing connection device for connecting a dry bushing (10) to an insulator (1), comprising:
the lower end interface of the six-way shell (4) is connected with the insulator (1), and three upper end interfaces of the six-way shell (4) are arranged in a coplanar manner; each upper end port is internally provided with a conversion conductor, and the conversion conductors are correspondingly connected with the inserts of the insulators (1) one by one;
the connecting conductors (8) are arranged in the upper end interface, the upper ends of the connecting conductors (8) are detachably connected with the conductors of the dry type sleeve (10) in a one-to-one correspondence mode, and the connecting conductors (8) are detachably connected with the conversion conductors in a one-to-one correspondence mode;
the bus tube (9), the bus tube (9) is connected with the upper end interface of the six-way shell (4) and the dry-type sleeve (10), and the conductor of the dry-type sleeve (10) passes through the bus tube (9) and is connected with the connecting conductor (8).
2. The connection device of claim 1, wherein the transition conductor comprises:
one end of the first conversion conductor (2) is connected with the insert of the insulator (1), the other end of the first conversion conductor (2) extends into the upper end interface, and the first conversion conductor (2) is of a bent structure;
and one end of the second conversion conductor (3) is fixedly connected with the first conversion conductor (2), and the other end of the second conversion conductor (3) is detachably connected with the connecting conductor (8) in an inserting manner.
3. Connecting device according to claim 2, characterized in that the second transition conductor in the middle of the second transition conductors (3) is arranged perpendicular to the insulator (1), and the angle between the second transition conductors on both sides and the second transition conductor in the middle of the second transition conductors (3) is 45 °.
4. Connection device according to claim 2, characterized in that the second switching conductor (3) is provided with a plug-in opening which can be plugged in with the connection conductor (8).
5. The connection arrangement according to claim 1, characterized in that the connection conductor (8) is of a T-shaped construction and that the diameter of the end of the connection conductor (8) near the dry bushing (10) is larger than the diameter of the end of the connection conductor (8) near the transition conductor.
6. The connection device according to claim 1, characterized in that the side ports of the six-way housing (4) on both sides are respectively encapsulated with an adsorbent (7) and a sensor.
7. GIS device comprising a connection device for dry bushings, characterized in that the connection device for dry bushings is a connection device for dry bushings according to any of claims 1-6.
CN201922418205.2U 2019-12-27 2019-12-27 Dry-type sleeve connecting device and GIS equipment Active CN210926854U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922418205.2U CN210926854U (en) 2019-12-27 2019-12-27 Dry-type sleeve connecting device and GIS equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922418205.2U CN210926854U (en) 2019-12-27 2019-12-27 Dry-type sleeve connecting device and GIS equipment

Publications (1)

Publication Number Publication Date
CN210926854U true CN210926854U (en) 2020-07-03

Family

ID=71348935

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922418205.2U Active CN210926854U (en) 2019-12-27 2019-12-27 Dry-type sleeve connecting device and GIS equipment

Country Status (1)

Country Link
CN (1) CN210926854U (en)

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