CN214314515U - Inflatable wiring terminal and transformer substation - Google Patents
Inflatable wiring terminal and transformer substation Download PDFInfo
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- CN214314515U CN214314515U CN202120431810.8U CN202120431810U CN214314515U CN 214314515 U CN214314515 U CN 214314515U CN 202120431810 U CN202120431810 U CN 202120431810U CN 214314515 U CN214314515 U CN 214314515U
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- transformer
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- distribution system
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Abstract
The utility model discloses an inflatable wiring terminal and transformer substation, this inflatable wiring terminal includes: a tube, a first end adapted to be connected to a power distribution system and a second end adapted to be connected to a winding of a transformer; a branch bus suitable for connecting the power distribution system and the transformer is arranged inside the pipe body; a second end of the tube body is provided with a first wiring terminal for connecting a winding of a transformer, and the first wiring terminal is connected with the branch buses in a one-to-one correspondence manner; SF6 gas, filling the tube. So set up, owing to adopt the body to link to each other with the winding of distribution system and transformer, the gaseous branch bus that encircles of abundant SF6 in the body, under SF6 has good insulating properties's effect, can reduce transformer bushing's safe interval greatly. And the occupied space of the tube body is small, so that the occupied space of a conductor connecting terminal between a power distribution system and transformer equipment can be greatly reduced, and occupied resources are saved.
Description
Technical Field
The utility model relates to a power transmission and distribution technical field, concretely relates to inflatable wiring terminal and transformer substation.
Background
At present, GIS power distribution devices and other equipment level conductors such as transformers, outgoing line conductors and the like mostly adopt composite insulated sleeve type GIS terminals. The wiring terminal is widely applied to outdoor substations, and as shown in fig. 1, a GIS device 100 'is connected with an overhead line 200' and a transformer 300 'by using a steel-reinforced aluminum stranded wire 400'.
In addition, the existing outlet terminal of the transformer is mainly to lead out three-phase outlet bushings from each side winding, and as the safe clear distances of the electrified conductors with different voltage grades in the air are different, and the safe clear distances of the electrified conductors with different voltage grades and the equipment shell in the air are different, for the high-voltage side of the water level of the transformer, the length of the transformer wiring insulating bushings and the distance between the transformer wiring insulating bushings occupy a large space, so that the wiring space is wasted. The safety clear distance is the minimum clear distance requirement which must be met for ensuring the safety of personnel in the air and avoiding the discharge of electrical equipment under the conditions of different voltage grades when the power distribution device is designed, constructed and operated.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in that the traditional transformer insulation support's arrangement mode leads to the extravagant problem of wiring space among the prior art. Thereby provide inflatable binding post and transformer substation.
In order to achieve the above object, an embodiment of the utility model provides an inflatable wiring terminal, this inflatable wiring terminal includes: a tube, a first end adapted to be connected to a power distribution system and a second end adapted to be connected to a winding of a transformer; a branch bus suitable for connecting the power distribution system and the transformer is arranged inside the pipe body; a second end of the tube body is provided with a first wiring terminal for connecting a winding of a transformer, and the first wiring terminal is connected with the branch buses in a one-to-one correspondence manner; SF6 gas, filling the tube.
Optionally, a gas seal is provided between the second end of the tube and the winding of the transformer.
Optionally, an oil seal ring is disposed between the second end of the pipe body and the winding of the transformer.
Optionally, three branch buses and three first connection terminals connected with the three branch buses in a one-to-one correspondence manner are arranged in the tube body.
Optionally, two of the three first connection terminals are respectively disposed at two sides of the second end of the tube body, and the other first connection terminal is disposed below the second end of the tube body.
Optionally, the first connection terminal is a connection insulating porcelain bottle.
Optionally, the pipe body is in any one of a linear type, an L type or an N type.
Optionally, the first end of the tube body is provided with three second connection terminals respectively connected with the three branch buses in a one-to-one correspondence manner.
Optionally, the first end of the pipe body is suitable for being mutually plugged and matched with the power distribution system through the second wiring terminal.
The embodiment of the utility model provides a transformer substation is still provided, this transformer substation includes distribution system, transformer and connects distribution system with between the transformer as above the arbitrary one of embodiment inflatable wiring terminal.
Compared with the prior art, the utility model, have following advantage:
1. the embodiment of the utility model provides an inflatable wiring terminal, this inflatable wiring terminal includes: a tube, a first end adapted to be connected to a power distribution system and a second end adapted to be connected to a winding of a transformer; a branch bus suitable for connecting the power distribution system and the transformer is arranged inside the pipe body; a second end of the tube body is provided with a first wiring terminal for connecting a winding of a transformer, and the first wiring terminal is connected with the branch buses in a one-to-one correspondence manner; SF6 gas, filling the tube.
So set up, owing to adopt the body to link to each other with the winding of distribution system and transformer, the gaseous branch bus that encircles of abundant SF6 in the body, under SF6 has good insulating properties's effect, can reduce transformer bushing's safe interval greatly. And the occupied space of the tube body is small, so that the occupied space of a conductor connecting terminal between a power distribution system and transformer equipment can be greatly reduced, and occupied resources are saved.
2. The utility model discloses a set up gas seal circle and oil seal circle, can improve the leakproofness between the winding of body and transformer to SF6 gaseous insulating properties in the maintenance body that can be long-time reduces workman's maintenance number of times.
3. The utility model discloses a will the first end of body is suitable for to pass through second binding post with distribution system pegs graft the cooperation each other, has easily installation, dismantles convenient advantage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and obviously, the drawings in the following description are some embodiments of the present invention, and for a worker in the field, without creative efforts, other drawings can be obtained according to the drawings.
Fig. 1 is a schematic diagram of an overall structure of a distribution device formed by connecting a GIS device with a transformer through an overhead line in the prior art;
fig. 2 is a schematic view of an inflatable wiring terminal according to an embodiment of the present invention in a first orientation;
fig. 3 is a schematic view of an inflatable wiring terminal according to an embodiment of the present invention in a second direction.
Reference numerals:
100' -a GIS device; 200 '-overhead lines, 300' -transformers; 400' -steel-cored aluminum strand;
1-an inflatable wiring terminal; 2-a transformer; 3-a seal; 4-a first connecting terminal; a 5-A phase terminal; a 6-B phase terminal; a 7-C phase terminal; 8-power distribution system.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, 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 ordinary workers in the field without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases for ordinary workers in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
At present, GIS power distribution devices and other equipment level conductors such as transformers, outgoing line conductors and the like mostly adopt composite insulated sleeve type GIS terminals. The wiring terminal is widely applied to outdoor substations, and as shown in fig. 1, a GIS device 100 'is connected with an overhead line 200' and a transformer 300 'by using a steel-reinforced aluminum stranded wire 400'. In addition, the existing outlet terminal of the transformer is mainly to lead out three-phase outlet bushings from each side winding, and as the safe clear distances of the electrified conductors with different voltage grades in the air are different, and the safe clear distances of the electrified conductors with different voltage grades and the equipment shell in the air are different, for the high-voltage side of the water level of the transformer, the length of the transformer wiring insulating bushings and the distance between the transformer wiring insulating bushings occupy a large space, so that the wiring space is wasted. The safety clear distance is the minimum clear distance requirement which must be met for ensuring the safety of personnel in the air and avoiding the discharge of electrical equipment under the conditions of different voltage grades when the power distribution device is designed, constructed and operated.
Therefore, the to-be-solved technical problem of the utility model lies in that the traditional transformer insulation support's arrangement mode leads to the extravagant problem of wiring space among the prior art. Thereby provide inflatable binding post and transformer substation.
Example 1
As shown in fig. 2 to 3, the present invention provides an inflatable wiring terminal 1, which includes a pipe body and SF6 gas filled in the pipe body.
The first end of the tubular body is adapted to be connected to a distribution system 8 and the second end is adapted to be connected to a winding of a transformer 2. The tubular body is internally provided with a plurality of branch busbars suitable for connecting the distribution system 8 to the transformer 2. The second end of body is provided with a plurality of first binding post 4 that are used for connecting the winding of transformer 2, first binding post 4 with branch generating line one-to-one is connected. In the present embodiment, the power distribution system 8 is a GIS power distribution device.
So set up, owing to adopt the body to link to each other with distribution system 8 and transformer 2's winding, the gaseous branch generating line that encircles with the SF6 that is sufficient in the body, under SF6 has good insulating properties's effect, can reduce transformer 2 insulation support's safe interval greatly. And the occupied space of the pipe body is small, so that the occupied space of a conductor connecting terminal between the power distribution system 8 and the transformer 2 can be greatly reduced, and occupied resources are saved. Moreover, because the outgoing line mode of the transformer 2 needs to be connected with the GIS power distribution device in a cable or copper bar switching mode at present, the exposed live conductor and the huge air need higher safety clear distance requirements, the inflatable wiring terminal 1 can greatly reduce the safety clear distance requirements, improve the safety guarantee for operators and promote the development of being beneficial to compact power stations/power cars.
In some embodiments of the present invention, a sealing member 3 is disposed between the second end of the pipe body and the winding of the transformer 2, for example, a gas sealing ring and an oil sealing ring.
Of course, a person skilled in the art may only provide a gas seal ring or only provide an oil seal ring according to actual situations, and this embodiment is only an example, and is not limited to this example, and the same technical effects may be achieved.
The utility model discloses a set up gas seal circle and oil seal circle, can improve the leakproofness between body and the winding of transformer 2 to SF6 gaseous insulating properties in the maintenance body that can be long-time reduces workman's maintenance number of times.
In some embodiments of the present invention, three branch buses and three first connection terminals 4 connected to the three branch buses in a one-to-one correspondence are provided in the pipe body. Three two of first binding post 4 set up respectively in the both sides of body second end, another first binding post 4 set up in the below of body second end. The first connection terminal 4 may be a connection insulator.
Of course, the arrangement position and the type of the first connection terminal 4 are merely illustrated and not limited in this embodiment, and those skilled in the art can change the arrangement position and the type of the first connection terminal 4 according to actual situations, and can achieve the same technical effect.
In some embodiments of the present invention, the pipe body is any one of a linear type, an L type, or an N type. The appearance of the inflatable wiring terminal 1 can be flexibly spliced according to the specific layout design scheme of the compact transformer station or the power supply vehicle, and the height and the length size can be adjusted according to actual needs. For example, the vertical type upper outlet mode, the "L" horizontal outlet mode, or the "n" lower outlet mode may be used to implement the plug-in type direct connection between the transformer 2 and the power distribution system 8. Therefore, the waste of wiring space caused by the traditional outgoing mode of the insulating sleeve of the transformer 2 is reduced.
And the first end of the tube body is provided with three second wiring terminals which are respectively connected with the three branch buses in a one-to-one correspondence manner. For example, phase a terminal 5, phase B terminal 6, and phase C terminal 7 shown in fig. 2. The first end of body be suitable for through second binding post with distribution system 8 matches each other pegs graft. The utility model discloses a will the first end of body is suitable for to pass through second binding post with distribution system 8 cooperation of pegging graft each other has easily installation, dismantles convenient advantage.
Example 2
The embodiment of the utility model provides a transformer substation is still provided, this transformer substation includes distribution system 8, transformer 2 and connects distribution system 8 with transformer 2 between as above the arbitrary one of embodiment inflatable wiring terminal 1.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Variations and modifications in other variations may occur to those skilled in the art based upon the foregoing description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. An inflatable wiring terminal, comprising:
a tubular body, a first end adapted to be connected to a distribution system (8) and a second end adapted to be connected to a winding of a transformer (2); a branch bus suitable for connecting the power distribution system (8) and the transformer (2) is arranged inside the pipe body; a second end of the tube body is provided with a first wiring terminal (4) used for connecting a winding of a transformer (2), and the first wiring terminal (4) is connected with the branch buses in a one-to-one correspondence manner;
SF6 gas, filling the tube.
2. The pneumatic terminal according to claim 1, wherein a gas seal is provided between the second end of the tube and the windings of the transformer (2).
3. The pneumatic terminal according to claim 1 or 2, wherein an oil seal is provided between the second end of the tubular body and the windings of the transformer (2).
4. The pneumatic terminal according to claim 3, wherein three branch busbars and three first connecting terminals (4) connected to the three branch busbars in a one-to-one correspondence are arranged in the tube.
5. The pneumatic terminal according to claim 4, wherein two of the three first terminals (4) are disposed on opposite sides of the second end of the tubular body, and the other first terminal (4) is disposed below the second end of the tubular body.
6. The inflatable termination according to claim 4 or 5, wherein the first terminal (4) is a connection insulator.
7. The pneumatic type wire connection terminal of claim 4 or 5, wherein the tube body is any one of a straight type, an L-type or an N-type.
8. The inflatable termination of claim 7, wherein the first end of the tube has three second terminals connected to the three branch busbars in a one-to-one correspondence.
9. The inflatable termination of claim 8, wherein the first end of the tubular body is adapted to mate with the electrical distribution system (8) via the second terminal.
10. A substation, characterized by comprising a power distribution system (8), a transformer (2), and a gas-filled terminal (1) according to any one of claims 1-9 connected between the power distribution system (8) and the transformer (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120431810.8U CN214314515U (en) | 2021-02-26 | 2021-02-26 | Inflatable wiring terminal and transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120431810.8U CN214314515U (en) | 2021-02-26 | 2021-02-26 | Inflatable wiring terminal and transformer substation |
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| Publication Number | Publication Date |
|---|---|
| CN214314515U true CN214314515U (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120431810.8U Active CN214314515U (en) | 2021-02-26 | 2021-02-26 | Inflatable wiring terminal and transformer substation |
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| CN (1) | CN214314515U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114188870A (en) * | 2021-12-15 | 2022-03-15 | 江苏安靠智能输电工程科技股份有限公司 | 110kV outdoor three-phase integrated switching all-in-one machine |
-
2021
- 2021-02-26 CN CN202120431810.8U patent/CN214314515U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114188870A (en) * | 2021-12-15 | 2022-03-15 | 江苏安靠智能输电工程科技股份有限公司 | 110kV outdoor three-phase integrated switching all-in-one machine |
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