CN214375041U - High voltage power cable GIS terminal is with handing-over test device - Google Patents
High voltage power cable GIS terminal is with handing-over test device Download PDFInfo
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- CN214375041U CN214375041U CN202022920439.XU CN202022920439U CN214375041U CN 214375041 U CN214375041 U CN 214375041U CN 202022920439 U CN202022920439 U CN 202022920439U CN 214375041 U CN214375041 U CN 214375041U
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- gis terminal
- sleeve
- test device
- top cover
- power cable
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- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 35
- 230000005611 electricity Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 4
- 229910052573 porcelain Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a high voltage power cable GIS terminal is with handing-over test device, include: the sealing cylinder comprises a sleeve, a top cover, a bottom plate, an upper flange and a lower flange, wherein the bottom plate is provided with a through hole for inserting the GIS terminal into the sleeve; the binding post is arranged at the top of the top cover and is used for connecting an external high-voltage wire; the connecting rod is arranged at the bottom of the top cover and can conduct high-voltage electricity with the wiring terminal through the top cover; and the shielding ring is arranged outside the lower flange and keeps a gap with the outer side surface of the lower flange. The GIS terminal field test device of this scheme is simple to handle, and is lower to the space requirement during the use, can satisfy the on-the-spot handing-over test when especially both ends of high tension cable line are the GIS terminal, and the field intensity of flange department can effectively be reduced to external shield ring, and is minimum to GIS terminal self field intensity distribution's influence, has also ensured the operation security at GIS terminal when having guaranteed the experimental accuracy of handing-over.
Description
Technical Field
The utility model relates to a power cable terminal test field, in particular to high voltage power cable GIS terminal is with handing-over test device.
Background
With the continuous improvement of urban development planning requirements and industrial automation degree, electric energy gradually becomes a main power source for production and life in the present society, and the cleanness and the high efficiency of electric energy bring great convenience to people. Due to the factors of huge power supply network, complex power supply system, more power supply links, long power supply distance and the like, the use of power cables and cable accessories is increased. More and more GIS switches are put into city use, but in the handover test of on-site cable operation lines and accessories, when both ends of the cable lines are GIS terminals, the GIS terminals are limited by the characteristics of the GIS terminals, and cannot be exposed in the air to directly introduce high voltage for testing. In order to protect the GIS switchgear, tests are generally not performed together with GIS and lines. Therefore, other auxiliary devices and circuits need to be introduced when the connection test is carried out, the field operation and the test are relatively complex, and the labor and the material resources are consumed greatly, so that a GIS terminal field test device which is simple and convenient to install on site and has low space requirement when in use is developed, however, in order to prevent the field intensity at the flange under the composite sleeve of the GIS terminal field test device from being too high and avoid the phenomena of flashover and breakdown in the connection test process, the existing GIS terminal field test device usually adopts a built-in shielding ring, namely, the shielding ring is arranged in the sleeve, although the field intensity at the lower flange can be effectively reduced, the shielding ring is not close to the inner wall of the sleeve and is far away from the GIS terminal, the influence on the field intensity distribution of the GIS terminal is large, and the risk in the operation process is increased while the accuracy of the connection test is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a high voltage power cable GIS is handing-over test device for terminal can solve the influence of current experimental apparatus to GIS terminal self field intensity distribution.
According to the utility model discloses high voltage power cable GIS terminal is with handing-over test device, include: the sealing barrel comprises a sleeve, a top cover, a bottom plate, an upper flange and a lower flange, the upper flange and the lower flange are respectively sleeved outside the upper end and the lower end of the sleeve, the top cover is connected with the top of the sleeve in a sealing mode through the upper flange, the bottom plate is connected with the bottom of the sleeve in a sealing mode through the lower flange, and a through hole for inserting a GIS terminal into the sleeve is formed in the bottom plate; the binding post is arranged at the top of the top cover and is used for connecting an external high-voltage wire; the connecting rod is arranged at the bottom of the top cover and can conduct high-voltage electricity with the wiring terminal through the top cover; and the shielding ring is arranged outside the lower flange and keeps an installation gap with the outer side surface of the lower flange.
According to the utility model discloses high voltage power cable GIS handing-over test device for terminal has following beneficial effect at least: the GIS terminal field test device of this scheme is simple to handle, and is lower to the space requirement during the use, can satisfy the on-the-spot handing-over test when especially both ends of high tension cable line are the GIS terminal, and the field intensity of flange department can effectively be reduced to external shield ring, and is minimum to GIS terminal self field intensity distribution's influence, has also ensured the operation security at GIS terminal when having guaranteed the experimental accuracy of handing-over.
According to some embodiments of the invention, the top cover is provided with a pressure gauge and an inflation valve.
According to some embodiments of the utility model, first seal groove has been seted up to the top cap lower surface and set up in first sealing washer in the first seal groove.
According to the utility model discloses a some embodiments, the second seal groove has been seted up to the bottom plate upper surface and set up in second sealing washer in the second seal groove.
According to some embodiments of the invention, the terminal outer side is provided with a winding groove.
According to some embodiments of the utility model, the connecting rod bottom be provided with can with GIS terminal elastic contact's spring mechanism.
According to some embodiments of the invention, the sleeve is a composite sleeve or a porcelain sleeve.
According to some embodiments of the utility model, the shield ring includes hollow ring body and support, the top of support is connected with the inboard of hollow ring body, the bottom of support pass through the bolt with lower flange lateral surface fastening connection.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is the utility model discloses high voltage power cable GIS terminal is with handing-over test device sectional view.
Reference numerals:
the sealing cylinder 100, the sleeve 110, the top cover 120, the first sealing groove 121, the first sealing ring 122, the bottom plate 130, the second sealing groove 131, the second sealing ring 132, the upper flange 140, the lower flange 150, and the bracket 160;
binding post 200, connecting rod 300, shielding ring 400, hollow ring body 410, support 420, GIS terminal 500, pressure gauge 600, gas charging valve 700 and spring mechanism 800
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, a handover test device for a high voltage power cable GIS terminal according to an embodiment of the present disclosure includes:
the sealing cylinder 100 comprises a sleeve 110, a top cover 120, a bottom plate 130, an upper flange 140 and a lower flange 150, wherein the upper flange 140 and the lower flange 150 are respectively sleeved outside the upper end and the lower end of the sleeve 110, the top cover 120 is hermetically connected with the top of the sleeve 110 through the upper flange 140, the bottom plate 130 is hermetically connected with the bottom of the sleeve 110 through the lower flange 150, and the bottom plate 130 is provided with a through hole for inserting a GIS terminal 500 into the sleeve 110; when the device is installed, the lower side of the bottom plate 130 is provided with a bracket 160 for assisting installation, which plays a role in supporting and fixing.
The wiring terminal 200 is arranged at the top of the top cover 120 and is used for connecting an external high-voltage wire;
the connecting rod 300 is installed at the bottom of the top cover 120 and can conduct high voltage electricity with the wiring terminal 200 through the top cover 120, and the connecting rod 300 is used for connecting a GIS terminal 500 to be tested;
and a shield ring 400 disposed outside the lower flange 150 and maintaining an installation gap with an outer surface of the lower flange 150.
According to the scheme, a sealed space is provided by the detachable sealing cylinder body 100, an experimental environment is provided for a field test of the GIS terminal, the installation among all the components is simple and convenient, the space requirement is low during the use, the field handover test of a high-voltage cable line, particularly when both ends of the high-voltage cable line are the GIS terminals, the field intensity of the lower flange can be effectively reduced by the external shielding ring, the influence on the field intensity distribution of the GIS terminal is extremely small, and the operation safety of the GIS terminal is guaranteed while the accuracy of the handover test is guaranteed.
In some embodiments of the present invention, the top cover 120 is provided with a pressure gauge 600 and an inflation valve 700, the GIS terminal is installed behind the sleeve 110, the inflation valve 700 is connected to the evacuation device, the interior of the sealing cylinder 100 is evacuated, the pressure gauge 600 detects the internal pressure to-0.1 MPa, and then the test terminal is filled with SF6 gas.
In order to improve the sealing performance, in some embodiments of the present invention, the lower surface of the top cover 120 is provided with a first sealing groove 121 and a first sealing ring 122 disposed in the first sealing groove 121, and the first sealing ring 122 can be placed after applying a sealing silicone grease in the first sealing groove 121.
In contrast, in some embodiments of the present invention, the second sealing groove 131 and the second sealing ring 132 disposed in the second sealing groove 131 are disposed on the upper surface of the bottom plate 130, so as to ensure the sealing performance of the lower portion of the sealing cylinder.
Because need insert outside high-voltage line during the experiment the utility model discloses an in some embodiments, terminal 200 lateral surface is provided with the wire winding groove, and the high-voltage line alright twine in the wire winding groove repeatedly, compare glossy terminal, connect more firmly.
The utility model discloses an in some embodiments, connecting rod 300 bottom be provided with can with GIS terminal 500 elastic contact's spring mechanism 800, because simple member is length fixed, receive external force with GIS terminal 500 contact easily and influence, set up spring mechanism 800 and be favorable to keeping good contact with GIS terminal top.
In some embodiments of the present invention, the sleeve 110 is a composite sleeve or a porcelain sleeve, and the composite sleeve is preferred in this embodiment.
Further, in some embodiments of the present invention, the shielding ring 400 includes a hollow ring 410 and a support 420, the top of the support 420 is connected to the inner side of the hollow ring 410, the bottom of the support 420 is connected to the outer side of the lower flange 150 by bolts, the hollow ring 410 is light in weight, low in cost, better in shielding effect, and the support 420 is convenient for controlling the height of the hollow ring 410.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. The utility model provides a high voltage power cable GIS handing-over test device for terminal which characterized in that: comprises that
The sealing cylinder body (100) comprises a sleeve (110), a top cover (120), a bottom plate (130), an upper flange (140) and a lower flange (150), wherein the upper flange (140) and the lower flange (150) are respectively sleeved on the outer sides of the upper end and the lower end of the sleeve (110), the top cover (120) is in sealing connection with the top of the sleeve (110) through the upper flange (140), the bottom plate (130) is in sealing connection with the bottom of the sleeve (110) through the lower flange (150), and the bottom plate (130) is provided with a through hole for a GIS terminal (500) to be inserted into the sleeve (110);
the binding post (200) is arranged at the top of the top cover (120) and is used for connecting an external high-voltage wire;
a connection rod (300) installed at the bottom of the top cover (120) and capable of conducting high voltage electricity with the post (200) through the top cover (120);
and the shielding ring (400) is arranged outside the lower flange (150) and keeps an installation gap with the outer side surface of the lower flange (150).
2. The handover test device for the high-voltage power cable GIS terminal according to claim 1, characterized in that: the top cover (120) is provided with a pressure gauge (600) and an inflation valve (700).
3. The handover test device for the high-voltage power cable GIS terminal according to claim 1, characterized in that: the lower surface of the top cover (120) is provided with a first sealing groove (121) and a first sealing ring (122) arranged in the first sealing groove (121).
4. The handover test device for the high-voltage power cable GIS terminal according to claim 1, characterized in that: and the upper surface of the bottom plate (130) is provided with a second sealing groove (131) and a second sealing ring (132) arranged in the second sealing groove (131).
5. The handover test device for the high-voltage power cable GIS terminal according to claim 1, characterized in that: and a winding groove is formed in the outer side surface of the binding post (200).
6. The handover test device for the high-voltage power cable GIS terminal according to claim 1, characterized in that: the bottom of the connecting rod (300) is provided with a spring mechanism (800) which can be in elastic contact with the GIS terminal (500).
7. The handover test device for the high-voltage power cable GIS terminal according to claim 1, characterized in that: the sleeve (110) is a composite sleeve or a porcelain sleeve.
8. The handover test device for the high-voltage power cable GIS terminal according to claim 1, characterized in that: the shielding ring (400) comprises a hollow ring body (410) and a support (420), the top of the support (420) is connected with the inner side of the hollow ring body (410), and the bottom of the support (420) is fixedly connected with the outer side face of the lower flange (150) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022920439.XU CN214375041U (en) | 2020-12-08 | 2020-12-08 | High voltage power cable GIS terminal is with handing-over test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022920439.XU CN214375041U (en) | 2020-12-08 | 2020-12-08 | High voltage power cable GIS terminal is with handing-over test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214375041U true CN214375041U (en) | 2021-10-08 |
Family
ID=77982071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022920439.XU Active CN214375041U (en) | 2020-12-08 | 2020-12-08 | High voltage power cable GIS terminal is with handing-over test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214375041U (en) |
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2020
- 2020-12-08 CN CN202022920439.XU patent/CN214375041U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 410000 No. 223, tongzipo West Road, Lugu Industrial Park, high tech Development Zone, Changsha, Hunan Patentee after: Long Cable Technology Group Co.,Ltd. Country or region after: China Address before: No.223, tongzipo West Road, Lugu Industrial Park, high tech Development Zone, Changsha City, Hunan Province, 410205 Patentee before: CHANGLAN CABLE ACCESSORIES Co.,Ltd. Country or region before: China |