CN209640381U - Switching mechanism is used in a kind of test of three-phase combined type GIS device - Google Patents
Switching mechanism is used in a kind of test of three-phase combined type GIS device Download PDFInfo
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- CN209640381U CN209640381U CN201822207772.9U CN201822207772U CN209640381U CN 209640381 U CN209640381 U CN 209640381U CN 201822207772 U CN201822207772 U CN 201822207772U CN 209640381 U CN209640381 U CN 209640381U
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Abstract
The utility model discloses a kind of three-phase combined type GIS device test switching mechanisms, including shell, the cover board that the intracorporal inner conductor of shell is arranged in, the construction opening of shell side is arranged in and cooperates with construction opening sealing；The first port and second port coaxially arranged with the first port are provided on shell；First port is connect by the first air bound insulator with three-phase equipment；Second port is connect by the second air bound insulator with unidirectional device；Inner conductor includes that three-phase conductor, direct-connected connection conductor with S type connect conductor；Three-phase conductor is respectively and vertically fixed on the first air bound insulator；The beginning of direct-connected connection conductor is vertically fixed on the second air bound insulator, and the axis perpendicular of direct-connected connection conductor passes through the center of circle of same circumference；One end of S type connection conductor is detachably connected with three-phase conductor, and the other end of S type connection conductor and the end of direct-connected connection conductor are detachably connected.Switching mechanism structure is simple, and easy to operate, and cost is greatly saved.
Description
Technical field
The utility model relates to pressure test technical field more particularly to a kind of test conversions of three-phase combined type GIS device
Mechanism.
Background technique
Cubicle Gas-Insulated Switchgear, abbreviation GIS are to use sulfur hexafluoride gas as insulation and arc-extinguishing medium
Complete set electric appliance by breaker, isolation ground connection stacked switch, high speed grounding switch, current transformer, voltage transformer, is kept away
The High-Voltage Electrical Appliances element such as thunder device, inlet-outlet sleeve or cable termination composition.It can be used in different voltages grade AC electric power systems
Various power plants and substation.It is small with occupied area, occupied space is few, is not influenced by external environmental condition, does not generate and make an uproar
The features such as sound and radio interference, safe and reliable to operation and maintenance workload lack, it is particularly suitable for the urban transformation in land used anxiety
It stands, substation, enterprise, mountain area power station and filthy serious area use.
Single-phase potential transformer is one of critical elements in GIS, and three-phase combined type GIS would generally connect in design application process
Single-phase potential transformer is connect, this just needs a kind of transformational structure that single-phase potential transformer is connected to three-phase equipment.For convenience
To single-phase potential transformer Maintenance and Repair, need to be arranged in transformational structure of the single-phase potential transformer with three-phase combined type GIS device
Isolation fracture.In existing combined electrical apparatus design process, it is connect if encountering single-phase potential transformer with three-phase combined type GIS device,
The mode that disconnecting switch is combined with variable diameter straight tube is generallyd use to be attached.
But this kind completes single-phase potential transformer and three-phase combined type in such a way that disconnecting switch is combined with variable diameter straight tube
The number of elements of the connection type of GIS is more, and structure is complicated, cumbersome, higher cost；And it, can not due to the limitation of structure
It realizes that single-phase potential transformer link position is unique, is adjusted so as to cause the GIS other structures of response, further increase cost.
In conclusion the switching mechanism structure how solved between three-phase combined type GIS device and unidirectional voltage mutual inductor is multiple
The problem of miscellaneous, cumbersome and higher cost, has become the technical problem of those skilled in the art's urgent need to resolve.
Utility model content
The purpose of the utility model is to provide a kind of three-phase combined type GIS device test switching mechanisms, total to solve three-phase
Switching mechanism between case GIS device and unidirectional voltage mutual inductor the problem of structure is complicated, cumbersome and higher cost.
To achieve the goals above, the utility model provides a kind of three-phase combined type GIS device test switching mechanism, packet
Shell is included, the intracorporal inner conductor of the shell is set, the construction opening of the shell side is set and is opened with the installation
The cover board of mouth sealing cooperation；
The first port and second port coaxially arranged with first port are provided on the shell；Described first is logical
Mouth is connect by the first air bound insulator with three-phase equipment；Second port is connected by the second air bound insulator and unidirectional device
It connects；
The inner conductor includes that three-phase conductor, direct-connected connection conductor with S type connect conductor；
The three-phase conductor includes A phase conductor, B phase conductor and C phase conductor and the difference being evenly arranged on the same circumference
It is vertically fixed on the first air bound insulator；It is exhausted that the beginning of the direct-connected connection conductor is vertically fixed on second air bound
On edge, and the axis perpendicular of the direct-connected connection conductor passes through the center of circle of the same circumference；The one of the S type connection conductor
End is detachably connected with the A phase conductor, the B phase conductor or the C phase conductor, the other end of S type connection conductor and
The end of the direct-connected connection conductor is detachably connected.
Preferably, one end of the S type connection conductor and the A phase conductor, the B phase conductor or the C phase conductor spiral shell
It tethers and connects, the terminal stud of the other end of the S type connection conductor and the direct-connected connection conductor connects.
Preferably, socket is provided on the second air bound insulator, the beginning of the direct-connected connection conductor is plugged on institute
It states on socket.
Preferably, the socket is Mume flower contact.
Preferably, the Mume flower contact is spring touch finger structure.
Preferably, the construction opening include the first construction opening and the second construction opening, the cover board include with it is described
Compatible first cover board of first construction opening and the second cover board compatible with second construction opening；First cover board
On be provided with density monitor for monitoring the barometric information of gas chamber in the shell in real time, second cover board is described in
The side of second construction opening is provided with adsorbent.
Preferably, the diameter dimension of first construction opening and second construction opening is 430mm ± 20mm.
Preferably, the quantity of the construction opening and the cover board one and only one, be arranged on the cover board useful
In the density monitor for monitoring the barometric information of gas chamber in the shell in real time；The cover board is towards the side of the construction opening
It is additionally provided with adsorbent.
Preferably, the corresponding one end connecting with the unidirectional device of the shell is provided with variable diameter cylinder, and described second is logical
Mouth is arranged on the variable diameter cylinder.
Preferably, the shell is weldment, and the variable diameter cylinder is casting.
Content is introduced compared to background technique, above-mentioned three-phase combined type GIS device test switching mechanism, including shell, set
It sets in the intracorporal inner conductor of shell, the construction opening of shell side and the cover board with construction opening sealing cooperation is set；Shell
On be provided with the first port and second port coaxially arranged with the first port；First port passes through the first air bound insulator and three
The connection of phase equipment；Second port is connect by the second air bound insulator with unidirectional device；Inner conductor includes three-phase conductor, direct-connected
It connects conductor and connects conductor with S type；Three-phase conductor includes A phase conductor, B phase conductor and the C phase being evenly arranged on the same circumference
It conductor and is respectively and vertically fixed on the first air bound insulator；The beginning of direct-connected connection conductor is vertically fixed on the insulation of the second air bound
On son, and the axis perpendicular of direct-connected connection conductor passes through the center of circle of same circumference；S type connects one end and the A phase conductor, B of conductor
Phase conductor or C phase conductor are detachably connected, and the other end of S type connection conductor and the end of direct-connected connection conductor are detachably connected.
Above-mentioned switching mechanism in actual application, by the insulating effect of the first air bound insulator and the second air bound insulator, makes
In the shell of conversion equipment air chamber structure be designed as independent air chamber, unidirectional device (here one is not influenced when this gas chamber need to break sky
As refer to single-phase potential transformer) and three-phase equipment (referring generally to three-phase combined type GIS device here) where gas chamber, so as to convenient
To single-phase potential transformer and three-phase combined type GIS device repair and maintenance, at the same by S type connect conductor one end and A phase conductor,
B phase conductor or C phase conductor are detachably connected, and the other end of S type connection conductor and the end of direct-connected connection conductor are detachably connected,
So that isolation fracture can be formed by only needing the both ends of disassembly S type connection conductor, it is not only simple in structure, and easy to operate, significantly
Cost is saved.Further, since the axis perpendicular of direct-connected connection conductor is by where A phase conductor, B phase conductor and C phase conductor
Therefore the center of circle of same circumference can be connected to different phases by rotating S type conductor structure according to casing center
Sequence realizes the uniqueness of any phase sequence single-phase potential transformer link position.
Detailed description of the invention
Fig. 1 is longitudinal section view knot that switching mechanism is used in three-phase combined type GIS device provided by the embodiment of the utility model test
Structure schematic diagram.
In figure 1 above,
Shell 1, the first air bound insulator 2, three-phase equipment 3, the second air bound insulator 4, unidirectional device 5, three-phase conductor 6,
Direct-connected connection conductor 7, S type connection conductor 8, socket 9, the first cover board 10, the second cover board 11, density monitor 12, adsorbent 13,
Variable diameter cylinder 14.
Specific embodiment
The core of the utility model is to provide a kind of three-phase combined type GIS device test switching mechanism, total to solve three-phase
Switching mechanism between case GIS device and unidirectional voltage mutual inductor the problem of structure is complicated, cumbersome and higher cost.
In order to make those skilled in the art more fully understand technical solution provided by the utility model, below in conjunction with attached
The utility model is described in further detail with specific embodiment for figure.
As shown in Figure 1, a kind of three-phase combined type GIS device test switching mechanism provided by the embodiment of the utility model, packet
It includes shell 1, the inner conductor being arranged in shell 1, the construction opening that 1 side of shell is set and seals cooperation with construction opening
Cover board；The first port and second port coaxially arranged with the first port are provided on shell 1；First port passes through the first gas
Used outside insulated 2 is connect with three-phase equipment 3；Second port is connect by the second air bound insulator 4 with unidirectional device 5；Inner conductor
Conductor 8 is connected with S type including three-phase conductor 6, direct-connected connection conductor 7；Three-phase conductor 6 includes being evenly arranged on the same circumference
It A phase conductor, B phase conductor and C phase conductor and is respectively and vertically fixed on the first air bound insulator 2；The beginning of direct-connected connection conductor 7
It is vertically fixed on the second air bound insulator 4, and the axis perpendicular of direct-connected connection conductor 7 passes through the center of circle of same circumference；S type connects
The one end and A phase conductor, B phase conductor or C phase conductor for connecing conductor 8 are detachably connected, S type connect conductor 8 the other end with it is direct-connected
The end of connection conductor is detachably connected.
Above-mentioned switching mechanism in actual application, passes through the isolation of the first air bound insulator and the second air bound insulator
Effect, so that air chamber structure is designed as independent air chamber in the shell of conversion equipment, this gas chamber does not influence unidirectional device when need to break sky
Gas chamber where (referring generally to single-phase potential transformer here) and three-phase equipment (referring generally to three-phase combined type GIS device here), thus
Can facilitate to single-phase potential transformer and three-phase combined type GIS device repair and maintenance, at the same by S type connect conductor one end with
A phase conductor, B phase conductor or C phase conductor are detachably connected, and the end of the other end and direct-connected connection conductor that S type connects conductor can
Dismantling connection is not only simple in structure, and operate so that isolation fracture can be formed by only needing the both ends of disassembly S type connection conductor
It is convenient, cost is greatly saved.Further, since the axis perpendicular of direct-connected connection conductor is led by A phase conductor, B phase conductor with C phase
Therefore the center of circle of same circumference where body can be connected to not by rotating S type conductor structure according to casing center
Same phase sequence, realizes the uniqueness of any phase sequence single-phase potential transformer link position.
It should be noted that those skilled in the art will readily appreciate that, gas chamber refer in GIS two it is obstructed every
The region formed between plate；Air bound insulator refers to a kind of element that gas chamber is separated or played a supportive role.
It is further to note that between one end and A phase conductor, B phase conductor or C phase conductor of above-mentioned S type connection conductor 8
Detachable connection method be preferably standard component connection, namely be bolted, S type connect conductor 8 the other end and direct-connected connection
Detachable connection method between the end of conductor is preferably also standard component connection, namely is bolted.It will be understood
It is that above-mentioned only the utility model embodiment of being bolted is for the preferable examples that are detachably connected, practical application mistake
Cheng Zhong can also be the common mode that other are detachably connected of those skilled in the art.
In some more particular embodiments, for convenience to the replacement maintenance work of direct-connected connection conductor 7, second
Socket 9 is provided on air bound insulator 4, the beginning of direct-connected connection conductor 7 is plugged on socket 9.It should be noted that above-mentioned insert
The contact form of seat 9 can be Mume flower contact, be also possible to other common receptacle connector structure types of those skilled in the art.
In further embodiment, the structure of Mume flower contact is preferably spring touch finger structure, so as to avoid frequency
The problem of loosening is easy after numerous grafting replacement.
In some more particular embodiments, the structure type of construction opening may include the first construction opening and the second peace
Dress opening, cover board include the first cover board 10 compatible with the first construction opening and the second lid compatible with the second construction opening
Plate 11；The density monitor 12 for monitoring the barometric information of gas chamber in shell in real time, the second lid are provided on first cover board 10
The side of plate 11 towards the second construction opening is provided with adsorbent 13.By the structure type of double construction openings and double cover plate, make
It is more convenient to obtain the intracorporal inner conductor installation operation of shell.And in general, the first construction opening and the second construction opening
Diameter dimension is both preferably 430mm ± 20mm.Of course, it should be understood that in actual application, it can also be according to practical need
Seek the corresponding other sizes value of selection.
It should be noted that the above-mentioned structure type using double construction openings and double cover plate, only the utility model is real
Apply the preferable examples of example, in actual application, can also be the quantity of construction opening and cover board one and only one
Form pass through at this point, being both provided with the density monitor for monitoring the barometric information of gas chamber in shell in real time on the cover board
Density of setting relay avoids gas chamber in shell 1 and occurs since hypertonia generates dangerous situation；Cover board direction peace simultaneously
The side of dress opening is additionally provided with adsorbent, ensure that protective gas in conversion equipment (generally six by the setting of adsorbent
Sulfur fluoride gas) micro-water content it is qualified.
In addition, the second port and unidirectional device are docked for convenience, shell 1 corresponding one end being connect with unidirectional device 5
It is provided with variable diameter cylinder 14, the second port is arranged on variable diameter cylinder 14.
It should also be noted that, in general, shell is preferably weldment, and variable diameter cylinder is preferably casting.It can of course manage
Solution, in actual application, the structure of above-mentioned shell and variable diameter cylinder be can also be according to actual needs and processing and fabricating
Convenience select other form processings to be made, for example shell and variable diameter cylinder are the weldment structure etc. of integral type.
Three-phase combined type GIS device test provided by the utility model is described in detail with switching mechanism above.
It should be noted that all the embodiments in this specification are described in a progressive manner, what each embodiment stressed
It is the difference from other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should also be noted that, herein, such as the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that article or equipment including a series of elements not only include those elements, but also
It including other elements that are not explicitly listed, or further include for this article or the intrinsic element of equipment.Do not having
In the case where more limitations, the element that is limited by sentence "including a ...", it is not excluded that in the article including above-mentioned element
Or there is also other identical elements in equipment.
Specific case used herein is expounded the principles of the present invention and embodiment, above embodiments
Explanation be merely used to help understand the core concept of the utility model.It should be pointed out that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can be made to this utility model,
Modifications and modifications also fall within the protection scope of the claims of the utility model.
Claims (10)
1. a kind of three-phase combined type GIS device test switching mechanism, which is characterized in that including shell (1), be arranged in the shell
(1) inner conductor, setting in seal the lid cooperated in the construction opening of the shell (1) side and with the construction opening
Plate；
The first port and second port coaxially arranged with first port are provided on the shell (1)；Described first is logical
Mouth is connect by the first air bound insulator (2) with three-phase equipment (3)；Second port by the second air bound insulator (4) with
Unidirectional device (5) connection；
The inner conductor includes that three-phase conductor (6), direct-connected connection conductor (7) connect conductor (8) with S type；
The three-phase conductor (6) includes A phase conductor, B phase conductor and the C phase conductor being evenly arranged on the same circumference and hangs down respectively
It is directly fixed on the first air bound insulator (2)；The beginning of direct-connected connection conductor (7) is vertically fixed on second gas
On used outside insulated (4), and the axis perpendicular of direct-connected connection conductor (7) passes through the center of circle of the same circumference；The S type connects
The one end and the A phase conductor, the B phase conductor or the C phase conductor for connecing conductor (8) are detachably connected, and the S type connection is led
The other end of body (8) and the end of the direct-connected connection conductor are detachably connected.
2. three-phase combined type GIS device test switching mechanism as described in claim 1, which is characterized in that the S type connection is led
One end of body (8) is bolted with the A phase conductor, the B phase conductor or the C phase conductor, and the S type connects conductor (8)
The other end and it is described it is direct-connected connection conductor terminal stud connect.
3. three-phase combined type GIS device test switching mechanism as described in claim 1, which is characterized in that second air bound
It is provided on insulator (4) socket (9), the beginning of direct-connected connection conductor (7) is plugged on the socket (9).
4. three-phase combined type GIS device as claimed in claim 3 test switching mechanism, which is characterized in that the socket (9) is
Mume flower contact.
5. three-phase combined type GIS device test switching mechanism as claimed in claim 4, which is characterized in that the Mume flower contact
For spring touch finger structure.
6. three-phase combined type GIS device test switching mechanism as described in claim 1, which is characterized in that the construction opening
Including the first construction opening and the second construction opening, the cover board includes the first cover board compatible with first construction opening
(10) and the second cover board (11) compatible with second construction opening；It is provided on first cover board (10) for real-time
The density monitor (12) of the barometric information of gas chamber in the shell is monitored, second cover board (11) is installed towards described second
The side of opening is provided with adsorbent (13).
7. three-phase combined type GIS device test switching mechanism as claimed in claim 6, which is characterized in that first installation
The diameter dimension of opening and second construction opening is 430mm ± 20mm.
8. three-phase combined type GIS device test switching mechanism as described in claim 1, which is characterized in that the construction opening
With the quantity of the cover board one and only one, the gas for monitoring gas chamber in the shell in real time is provided on the cover board
Press the density monitor of situation；The side of the cover board towards the construction opening is additionally provided with adsorbent.
9. three-phase combined type GIS device test switching mechanism as described in claim 1, which is characterized in that the shell (1) is right
The one end that should be connect with the unidirectional device (5) is provided with variable diameter cylinder (14), and second port is arranged in the reducing cylinder
On body (14).
10. three-phase combined type GIS device test switching mechanism as claimed in claim 9, which is characterized in that the shell is weldering
Part, the variable diameter cylinder are casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822207772.9U CN209640381U (en) | 2018-12-26 | 2018-12-26 | Switching mechanism is used in a kind of test of three-phase combined type GIS device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822207772.9U CN209640381U (en) | 2018-12-26 | 2018-12-26 | Switching mechanism is used in a kind of test of three-phase combined type GIS device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209640381U true CN209640381U (en) | 2019-11-15 |
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ID=68475370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822207772.9U Active CN209640381U (en) | 2018-12-26 | 2018-12-26 | Switching mechanism is used in a kind of test of three-phase combined type GIS device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209640381U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508762A (en) * | 2020-05-08 | 2020-08-07 | 国网北京市电力公司 | Novel withstand voltage device of case GIS cable interval altogether |
-
2018
- 2018-12-26 CN CN201822207772.9U patent/CN209640381U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508762A (en) * | 2020-05-08 | 2020-08-07 | 国网北京市电力公司 | Novel withstand voltage device of case GIS cable interval altogether |
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