CN210401645U - Shielding case for withstand voltage test of capacitor voltage transformer - Google Patents
Shielding case for withstand voltage test of capacitor voltage transformer Download PDFInfo
- Publication number
- CN210401645U CN210401645U CN201920419079.XU CN201920419079U CN210401645U CN 210401645 U CN210401645 U CN 210401645U CN 201920419079 U CN201920419079 U CN 201920419079U CN 210401645 U CN210401645 U CN 210401645U
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- voltage transformer
- flange
- nut
- ring
- withstand voltage
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- 238000012360 testing method Methods 0.000 title claims abstract description 23
- 239000003990 capacitor Substances 0.000 title claims description 13
- 239000002184 metal Substances 0.000 claims description 7
- 239000003973 paint Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000002474 experimental method Methods 0.000 abstract description 9
- 230000002349 favourable effect Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model discloses a shield cover for withstand voltage test of capacitive voltage transformer, including capacitive voltage transformer, tight loop and the cover body, capacitive voltage transformer includes organism, mount pad and flange, the bottom of the body is provided with the mount pad, organism upper portion is provided with the flange, and both ends are provided with terminal one and terminal two respectively about the organism top, the flange outside is provided with the tight loop, the tight loop includes the circle body, bolt and nut, the circle body left and right sides is provided with respectively leads to line hole one and leads to line hole two. The utility model discloses during the use, install the clamping ring outside the flange, rotatory rotation is the handle, tightens up the clamping ring, makes the clamping ring fix outside the flange, connects terminal one and terminal two respectively with the wiring of experiment usefulness, and the wiring leads to out from leading to line hole one and leading to line hole two again, places the cover body on the clamping ring this moment, can begin to test, is favorable to the quick installation of protection casing.
Description
Technical Field
The utility model relates to a high-voltage testing technical field specifically is a shield cover for capacitive voltage transformer withstand voltage test.
Background
The capacitive voltage transformer is a voltage transformer which is divided by a series capacitor, then is subjected to voltage reduction and isolation by an electromagnetic transformer and is used as a meter, relay protection and the like, and the capacitive voltage transformer can also couple carrier frequency to a power transmission line for long-distance communication, remote measurement, selective high-frequency protection of the line, remote control, teletype and the like.
The capacitor voltage transformer is an important power grid component, and is often required to be subjected to withstand voltage test, and a shielding case is often used in the withstand voltage test.
Disclosure of Invention
An object of the utility model is to provide a shield cover for withstand voltage test of capacitive voltage transformer to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a shielding case for withstand voltage test of a capacitive voltage transformer comprises the capacitive voltage transformer, a fastening ring and a cover body, wherein the capacitive voltage transformer comprises a machine body, a mounting seat and a flange, the bottom of the machine body is provided with the mounting seat, the upper part of the machine body is provided with the flange, the left end and the right end of the top of the machine body are respectively provided with a first binding post and a second binding post, the fastening ring is arranged outside the flange and comprises a ring body, a bolt and a nut, the left side and the right side of the ring body are respectively provided with a first through hole and a second through hole, the left side and the right side of the front end of the ring body are respectively provided with a left bolt hole and a right bolt hole, the left end of the left bolt hole is provided with the bolt, the right end of the right bolt hole is provided with the nut, the bolt penetrates, the cover body comprises a cover shell and an anti-interference layer, wherein the anti-interference layer is arranged in the cover shell.
During the use, install the clamping ring in the flange outside, rotatory rotation handle, tighten up the clamping ring, make the clamping ring fix outside the flange, connect terminal one and terminal two respectively with the wiring of experiment usefulness, the wiring leads to the line hole from leading to line hole one again and leads to out with leading to line hole two, places the cover body on the clamping ring this moment, can begin to test, is favorable to the quick installation of protection casing.
As a further aspect of the present invention: the housing is made of metal and smooth in surface; the anti-interference layer is composed of anti-electromagnetic interference paint, and the paint is uniformly coated in the housing; the diameter of the bottom of the housing is smaller than the diameter of an outer ring of a ring body tightened on a flange, and the ring body is made of steel; the nut and the rotating handle are connected in a hinged mode.
When in use, the surface of the cover shell is smooth, the shape is smooth, and the corona phenomenon can be prevented; the housing is a metal housing, and an anti-interference layer is arranged in the housing, so that the electromagnetic interference phenomenon can be prevented; during the use, lead to the line hole one and lead to the line hole two-way back of working a telephone switchboard, cover body bottom can will lead to line hole one and lead to line hole two covers in the bottom, the going on of convenient experiment.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses during the use, install the clamping ring outside the flange, rotatory rotation is the handle, tightens up the clamping ring, makes the clamping ring fix outside the flange, connects terminal one and terminal two respectively with the wiring of experiment usefulness, and the wiring leads to out from leading to line hole one and leading to line hole two again, places the cover body on the clamping ring this moment, can begin to test, is favorable to the quick installation of protection casing.
2. The utility model discloses during the use, the cover shell surface is smooth, and the shape is smooth, is favorable to preventing that corona phenomenon from producing.
3. The utility model discloses during the use, the housing is metal casing, is the jam-proof layer in the housing, is favorable to preventing the production of electromagnetic interference phenomenon.
Drawings
Fig. 1 is a schematic structural diagram of a shielding case for a withstand voltage test of a capacitor voltage transformer.
Fig. 2 is a schematic structural diagram of a capacitor voltage transformer in a shielding case for a withstand voltage test of the capacitor voltage transformer.
Fig. 3 is a schematic structural diagram of a fastening ring in a shielding case for a withstand voltage test of a capacitor voltage transformer.
Fig. 4 is a bottom view of a shield case in the shield case for the withstand voltage test of the capacitor voltage transformer.
In the figure: 1. a capacitive voltage transformer; 2. a mounting seat; 3. a body; 4. a flange; 5. a binding post I; 6. a second wiring terminal; 7. a fastening ring; 8. a cover body; 9. a bolt; 10. a left bolt hole; 11. a right bolt hole; 12. a nut; 13. a rotating shaft; 14. rotating the handle; 15. a first through hole; 16. a loop body; 17. a second through hole; 18. a housing; 19. and an interference prevention layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 to 4, in an embodiment of the present invention, a shielding case for a withstand voltage test of a capacitive voltage transformer includes a capacitive voltage transformer 1, a fastening ring 7 and a cover body 8, the capacitive voltage transformer 1 includes a body 3, a mounting seat 2 and a flange 4, the bottom of the body 3 is provided with the mounting seat 2, the upper portion of the body 3 is provided with the flange 4, and the left and right ends of the top of the body 3 are respectively provided with a first terminal 5 and a second terminal 6, the flange 4 is externally provided with the fastening ring 7, the fastening ring 7 includes a ring body 16, a bolt 9 and a nut 12, the left and right sides of the ring body 16 are respectively provided with a first through hole 15 and a second through hole 17, and the left and right sides of the front end of the ring body 16 are respectively provided with a left bolt hole 10 and a right bolt hole 11, the left end of the left bolt hole, the bolt 9 passes left bolt hole 10 and right bolt hole 11 and connects nut 12, nut 12 right-hand member upper portion is provided with rotates 14, and nut 12 and rotation are connected through pivot 13 between 14, the cover body 8 includes housing 18 and jam-proof layer 19, be provided with one deck jam-proof layer 19 in the housing 18.
During the use, install the retainer ring 7 in flange 4 outsidely, rotatory rotating 14, tighten up retainer ring 7, make retainer ring 7 fix outside flange 4, connect terminal one 5 and terminal two 6 respectively with the wiring of experiment usefulness, the wiring leads to out from leading to line hole one 15 and leading to line hole two 17 again, places the cover body 8 on retainer ring 7 this moment, can begin to test, is favorable to the quick installation of protection casing.
The housing 18 is made of metal, and the surface of the housing 18 is smooth; the anti-interference layer 19 is made of anti-electromagnetic interference paint, and the paint is uniformly coated in the housing 18; the diameter of the bottom of the housing 18 is smaller than the diameter of an outer ring of the ring body 16 tightened on the flange 4, and the ring body 16 is made of steel; the connection between the nut 12 and the twist grip 14 is a hinge.
When in use, the surface of the housing 18 is smooth, and the shape is smooth, which is beneficial to preventing the corona phenomenon; the housing 18 is a metal shell, and an anti-interference layer 19 is arranged in the housing 18, so that the electromagnetic interference phenomenon can be prevented; during the use, lead to the line hole one 15 and lead to the line hole two 17 and lead to the back of working a telephone switchboard, cover body 8 bottom can cover in the bottom through line hole one 15 and lead to line hole two 17, the going on of convenient experiment.
The utility model discloses a theory of operation is: when the utility model is used, the fastening ring 7 is arranged outside the flange 4, the handle 14 is rotated in a rotating way, the fastening ring 7 is tightened, the fastening ring 7 is fixed outside the flange 4, the wiring for experiment is respectively connected with the first wiring terminal 5 and the second wiring terminal 6, the wiring is led out from the first wire through hole 15 and the second wire through hole 17, and at the moment, the cover body 8 is placed on the fastening ring 7, so that the experiment can be started, and the rapid installation of the protective cover is facilitated; the surface of the housing 18 is smooth, and the shape is smooth, so that the corona phenomenon can be prevented; the housing 18 is a metal shell, and an anti-interference layer 19 is arranged in the housing 18, so that the electromagnetic interference phenomenon can be prevented; during the use, lead to the line hole one 15 and lead to the line hole two 17 and lead to the back of working a telephone switchboard, cover body 8 bottom can cover in the bottom through line hole one 15 and lead to line hole two 17, the going on of convenient experiment.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A shielding case for withstand voltage test of a capacitive voltage transformer comprises the capacitive voltage transformer (1), a fastening ring (7) and a cover body (8), and is characterized in that the capacitive voltage transformer (1) comprises a machine body (3), a mounting seat (2) and a flange (4), the mounting seat (2) is arranged at the bottom of the machine body (3), the flange (4) is arranged on the upper portion of the machine body (3), a first wiring terminal (5) and a second wiring terminal (6) are respectively arranged at the left end and the right end of the top of the machine body (3), the fastening ring (7) is arranged outside the flange (4), the fastening ring (7) comprises a ring body (16), a bolt (9) and a nut (12), a first through hole (15) and a second through hole (17) are respectively arranged at the left side and the right side of the left side of the ring body (16), a left bolt hole (10) and a right bolt hole (11) are respectively arranged, left side bolt hole (10) left end is provided with bolt (9), and right side bolt hole (11) right-hand member is provided with nut (12), bolt (9) pass left side bolt hole (10) and right side bolt hole (11) coupling nut (12), nut (12) right-hand member upper portion is provided with the rotation (14), and nut (12) and rotation are connected through pivot (13) between (14), the cover body (8) include housing (18) and jam-proof layer (19), be provided with one deck jam-proof layer (19) in housing (18).
2. The shielding case for withstand voltage test of the capacitor voltage transformer according to claim 1, wherein the case (18) is made of metal, and the surface of the case (18) is smooth.
3. The shielding case for withstand voltage test of the capacitor voltage transformer according to claim 1, wherein the interference preventing layer (19) is made of anti-electromagnetic interference paint, and the paint is uniformly applied in the case (18).
4. The shielding case for the withstand voltage test of the capacitor voltage transformer according to claim 1, wherein the diameter of the bottom of the casing (18) is smaller than the diameter of the outer ring of the ring body (16) tightened on the flange (4), and the ring body (16) is made of steel.
5. The shielding case for withstand voltage test of the capacitor voltage transformer according to claim 1, wherein the nut (12) and the rotating handle (14) are connected in a hinged manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920419079.XU CN210401645U (en) | 2019-03-29 | 2019-03-29 | Shielding case for withstand voltage test of capacitor voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920419079.XU CN210401645U (en) | 2019-03-29 | 2019-03-29 | Shielding case for withstand voltage test of capacitor voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210401645U true CN210401645U (en) | 2020-04-24 |
Family
ID=70336696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920419079.XU Expired - Fee Related CN210401645U (en) | 2019-03-29 | 2019-03-29 | Shielding case for withstand voltage test of capacitor voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210401645U (en) |
-
2019
- 2019-03-29 CN CN201920419079.XU patent/CN210401645U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200424 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |