CN210898013U - Ring main unit with built-in electronic voltage transformer - Google Patents
Ring main unit with built-in electronic voltage transformer Download PDFInfo
- Publication number
- CN210898013U CN210898013U CN201921428737.8U CN201921428737U CN210898013U CN 210898013 U CN210898013 U CN 210898013U CN 201921428737 U CN201921428737 U CN 201921428737U CN 210898013 U CN210898013 U CN 210898013U
- Authority
- CN
- China
- Prior art keywords
- voltage transformer
- built
- inner shell
- sealing element
- casting body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Casings For Electric Apparatus (AREA)
Abstract
The utility model provides a ring main unit with a built-in electronic voltage transformer, which also comprises an outer shell casting body, a sealing element, an inner shell casting body, a fixed plate and a copper insert; wherein: the outer shell casting body is fixed inside the inflation box, and the sealing element is arranged on the outer surface of the inner shell casting body; the sealing element and the inner shell casting body are fixed inside the outer shell casting body through the fixing plate; and a copper insert is fixed at the other end of the shell casting body opposite to the fixed plate and is used for connecting the outgoing line sleeve. The utility model provides a built-in electronic voltage transformer's looped netowrk cabinet inlays the setting through the cover that the body is watered to the shell, sealing member and inner shell, has guaranteed the leakproofness of device, and the gas-filled SF6 of gas-filling box is gaseous, has guaranteed the insulating nature of device, and the stability of device has been guaranteed with setting up of screw rod and screw.
Description
Technical Field
The utility model relates to a sensor technical field, more specifically relates to a built-in electronic voltage transformer's looped netowrk cabinet.
Background
At present, the looped netowrk cabinet structural component can be divided into gas tank part, low-voltage box part and base part on the market, and the gas tank part contains the switch usually, and the bushing that goes out the line, the copper bar. The traditional ring main unit needs to adopt a three-phase five-column voltage transformer for collecting phase voltage and zero sequence voltage. The three-phase five-column voltage transformer has the problems of large volume, high cost, complex insulation, serious electromagnetic interference and the like, and seriously restricts the automatic construction of a power distribution network.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is poor to overcome voltage transformer leakproofness among the traditional looped netowrk cabinet, and insulating nature is poor, and bulky and the inconvenient problem of installation provide a built-in electronic voltage transformer's looped netowrk cabinet.
In order to realize the purpose, the technical scheme is as follows:
a ring main unit with an electronic voltage transformer inside also comprises an outer shell casting body, a sealing element, an inner shell casting body, a fixing plate and a copper insert; wherein: the outer shell casting body is fixed inside the inflation box, and the sealing element is arranged on the outer surface of the inner shell casting body; the sealing element and the inner shell casting body are fixed inside the outer shell casting body through the fixing plate; and the other end of the shell casting body, which is opposite to the fixed plate, is fixedly provided with the copper insert for connecting the outgoing line sleeve.
Preferably, the casing casting body is fixed in the inflation box through 6 stainless steel inner hexagonal socket head screws of M6.
In the above scheme, the shell pouring body is fixed in the inflation box through 6M 6's hexagonal socket head screw rod in the stainless steel for the shell pouring body can not become flexible, also easy to assemble and dismantle.
Preferably, the interior of the plenum is filled with SF6 gas.
In the scheme, the interior of the inflation box is filled with SF6 gas, and SF6 gas can improve the insulation performance of the inflation box.
Preferably, the sealing element covers the outer surface of the inner shell casting body, and silicone grease is coated between the sealing element and the inner shell casting body.
In the scheme, the silicone grease is coated between the sealing element and the inner shell pouring body, so that the inner shell pouring body is kept in a closed state, and the sealing performance and the insulating performance of the whole device are also kept.
Preferably, the fixing plate presses the inner shell casting covered with the sealing member into the inside of the outer shell casting.
In the above scheme, the fixing plate extrudes the inner shell pouring body covered with the sealing element into the outer shell pouring body, so that no gap is left between the parts, and the sealing performance of the device is ensured.
Preferably, the fixing plate is fixed on the surface of the inflation box through stainless steel screws.
In the scheme, the fixing plate is fixed on the surface of the inflation box through the stainless steel screws, so that the whole device runs more stably.
Preferably, the air inflation box comprises a copper bar, and the copper insert is connected with the wire outlet sleeve through the copper bar.
In the scheme, the copper insert is connected with the wire outlet sleeve through the copper bar, so that the sealing performance of the device is ensured.
Among the above-mentioned scheme, a built-in electronic voltage transformer's looped netowrk cabinet, including the outer shell body of casting, sealing member, inner shell body of casting, fixed plate and copper inserts. The shell pouring body is fixed in a 3.0mm stainless steel inflation box of the ring main unit through 6M 6 stainless steel inner hexagonal cylindrical head screws, and SF6 gas is filled in the inflation box, so that the insulating property of the inflation box can be improved; and uniformly coating silicone grease on the outer surface of the inner shell casting body, sleeving a sealing element, and extruding the inner shell casting body into the outer shell casting body by using a fixing plate. The electronic voltage transformer is seeded with 4M 8X 50 stainless steel screws outside the air box, and the fixing plate is fixed on the surface of the air box through the M8X 50 stainless steel screws. The other end of the shell casting body is connected with the electronic voltage transformer and the outgoing line sleeve through a copper bar, and after the shell casting body is electrified, voltage flows into the outgoing line sleeve through the incoming line cable to obtain phase voltage and zero sequence voltage.
Compared with the prior art, the invention has the beneficial effects that:
the utility model provides a built-in electronic voltage transformer's looped netowrk cabinet inlays the setting through the cover that the body is watered to the shell, sealing member and inner shell, has guaranteed the leakproofness of device, and the gas-filled SF6 of gas-filling box is gaseous, has guaranteed the insulating nature of device, and the stability of device has been guaranteed with setting up of screw rod and screw.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
description of reference numerals: 1. casting the shell; 2. a seal member; 3. casting the inner shell; 4. a fixing plate; 5. A copper insert.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
the invention is further explained below with reference to the drawings and examples.
Example 1
As shown in fig. 1, a ring main unit with a built-in electronic voltage transformer comprises a ring main unit with a built-in gas-filled tank, and further comprises an outer shell casting body 1, a sealing element 2, an inner shell casting body 3, a fixing plate 4 and a copper insert 5; wherein: the outer shell pouring body 1 is fixed inside the inflation box, and the seal 2 is arranged on the outer surface of the inner shell pouring body 3; the sealing element 2 and the inner shell casting body 3 are fixed inside the outer shell casting body 1 through the fixing plate 4; and the other end of the shell casting body 1, which is opposite to the fixing plate 4, is fixedly provided with the copper insert 5 for connecting an outgoing line sleeve.
Preferably, the housing casting 1 is fixed in the inflation box by 6 stainless steel hexagon socket head screws of M6.
In the above scheme, the housing pouring body 1 is fixed in the inflation box through the stainless steel inner hexagonal cylinder head screw rod of 6M 6, so that the housing pouring body 1 cannot be loosened, and the mounting and the dismounting are convenient.
Preferably, the interior of the plenum is filled with SF6 gas.
In the scheme, the interior of the inflation box is filled with SF6 gas, and SF6 gas can improve the insulation performance of the inflation box.
Preferably, the sealing element 2 covers the outer surface of the inner shell casting 3, and silicone grease is coated between the sealing element 2 and the inner shell casting 3.
In the above scheme, silicone grease is coated between the sealing element 2 and the inner shell pouring body 3, so that the inner shell pouring body 3 is kept in a closed state, and the sealing performance and the insulating performance of the whole device are also kept.
Preferably, the fixing plate presses the inner shell casting covered with the sealing member into the inside of the outer shell casting.
In the scheme, the fixing plate 4 extrudes the inner shell pouring body 3 covered with the sealing element 2 into the outer shell pouring body 1, so that no gap is left between the parts, and the sealing performance of the device is ensured.
Preferably, the fixing plate 4 is fixed on the surface of the inflation box through stainless steel screws.
In the scheme, the fixing plate 4 is fixed on the surface of the inflation box through stainless steel screws, so that the whole device runs more stably.
Preferably, the air inflation box comprises a copper bar, and the copper insert 5 is connected with the wire outlet sleeve through the copper bar.
In the scheme, the copper insert 5 is connected with the wire outlet sleeve through the copper bar, so that the sealing performance of the device is ensured.
Example 2
The ring main unit internally provided with the electronic voltage transformer comprises an outer shell casting body 1, a sealing element 2, an inner shell casting body 3, a fixing plate 4 and a copper insert 5. The shell pouring body 1 is fixed in a 3.0mm stainless steel inflation box of the ring main unit through 6M 6 stainless steel inner hexagonal cylindrical head screws, and SF6 gas is filled in the inflation box, so that the insulating property of the inflation box can be improved; and uniformly coating silicone grease on the outer surface of the inner shell casting body 3, sleeving the sealing element 2, and extruding the inner shell casting body 3 into the outer shell casting body 1 by using the fixing plate 4. The electronic voltage transformer is seeded with 4M 8 x 50 stainless steel screws outside the air box, and the fixing plate 4 is fixed on the surface of the air box through the M8 x 50 stainless steel screws. The other end of the shell casting body 1, namely the end of the copper insert 5, connects the electronic voltage transformer with a wire outlet sleeve through a copper bar, and after the shell casting body is electrified, voltage flows into the wire outlet sleeve through a wire inlet cable to obtain phase voltage and zero sequence voltage.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (7)
1. The utility model provides a built-in electronic type voltage transformer's looped netowrk cabinet which characterized in that: the sealing device also comprises an outer shell pouring body (1), a sealing element (2), an inner shell pouring body (3), a fixing plate (4) and a copper insert (5); wherein: the outer shell pouring body (1) is fixed inside the inflation box, and the sealing element (2) is arranged on the outer surface of the inner shell pouring body (3); the sealing element (2) and the inner shell casting body (3) are fixed inside the outer shell casting body (1) through the fixing plate (4); the other end, opposite to the fixing plate (4), of the shell casting body (1) is fixedly provided with the copper insert (5) for connecting with an outgoing line sleeve.
2. The ring main unit with the built-in electronic voltage transformer as claimed in claim 1, wherein: the shell pouring body (1) is fixed in the inflation box through 6M 6 stainless steel hexagon socket head screws.
3. The ring main unit with the built-in electronic voltage transformer as claimed in claim 1, wherein: the interior of the inflation tank is filled with SF6 gas.
4. The ring main unit with the built-in electronic voltage transformer as claimed in claim 1, wherein: the sealing element (2) covers the outer surface of the inner shell pouring body (3), and silicone grease is coated between the sealing element (2) and the inner shell pouring body (3).
5. The ring main unit with the built-in electronic voltage transformer as claimed in claim 4, wherein: the fixing plate (4) extrudes the inner shell casting body (3) covered with the sealing element (2) into the outer shell casting body (1).
6. The ring main unit with the built-in electronic voltage transformer as claimed in claim 5, wherein: the fixed plate (4) is fixed on the surface of the inflation box through stainless steel screws.
7. The ring main unit with the built-in electronic voltage transformer as claimed in claim 1, wherein: the inflation box comprises a copper bar, and the copper insert (5) is connected with the wire outlet sleeve through the copper bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921428737.8U CN210898013U (en) | 2019-08-29 | 2019-08-29 | Ring main unit with built-in electronic voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921428737.8U CN210898013U (en) | 2019-08-29 | 2019-08-29 | Ring main unit with built-in electronic voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210898013U true CN210898013U (en) | 2020-06-30 |
Family
ID=71318037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921428737.8U Active CN210898013U (en) | 2019-08-29 | 2019-08-29 | Ring main unit with built-in electronic voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210898013U (en) |
-
2019
- 2019-08-29 CN CN201921428737.8U patent/CN210898013U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2011063627A1 (en) | Box-type substation | |
| CN210898013U (en) | Ring main unit with built-in electronic voltage transformer | |
| CN202256571U (en) | Leakage current signal lead-out device of power transformer sleeve for online monitoring | |
| CN207834978U (en) | A kind of dry-type capacitance type list flange GIS outlet casing tubes through walls | |
| CN208173831U (en) | A kind of transformer torque locking and connecting device | |
| CN204885872U (en) | Enclosed switch cabinet temperature -detecting device | |
| CN109300654A (en) | A kind of 118KV energy supply transformer | |
| CN214498575U (en) | Insulating cross arm of adjustable length | |
| CN108023312A (en) | A kind of dry-type capacitance type list flange GIS outlet casing tubes through walls | |
| CN210490441U (en) | High security computer protection device | |
| CN208903789U (en) | A kind of transformer external current mutual inductor | |
| CN207098422U (en) | A kind of 220kV GIS and transformer attachment structure | |
| CN201674149U (en) | Inflatable ring network switch cabinet | |
| CN206789923U (en) | A kind of electrical complete set of equipment for integrating power transformer and low-tension distribution box | |
| CN201332018Y (en) | Hidden type generatrix current mutual inductor | |
| CN102723187A (en) | Voltage transformer with elbow-type plug | |
| CN204271461U (en) | Contact box | |
| CN220873912U (en) | Split type wiring sleeve capable of being rapidly disassembled and assembled | |
| CN2526953Y (en) | Needle type silicon rubber zinc oxide lightning arrester | |
| CN202695112U (en) | Voltage transformer with elbowed plug | |
| CN213340053U (en) | Simple pluggable current transformer | |
| CN201084502Y (en) | An oil-immersed paper condenser-type wall-penetrating busing insulator | |
| CN220020803U (en) | Energy-saving and environment-friendly dry-type transformer | |
| CN209313200U (en) | A kind of contact box of high-voltage switch cabinet | |
| CN215451798U (en) | Novel electrician's electron wiring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |