CN204347081U - A kind of power system measuring cable single-ended shielding cover - Google Patents
A kind of power system measuring cable single-ended shielding cover Download PDFInfo
- Publication number
- CN204347081U CN204347081U CN201520062500.8U CN201520062500U CN204347081U CN 204347081 U CN204347081 U CN 204347081U CN 201520062500 U CN201520062500 U CN 201520062500U CN 204347081 U CN204347081 U CN 204347081U
- Authority
- CN
- China
- Prior art keywords
- conductive metal
- metal mesh
- cable
- inner container
- wall
- 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.)
- Expired - Fee Related
Links
- 238000009413 insulation Methods 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims abstract description 24
- 238000000926 separation method Methods 0.000 claims abstract description 8
- 238000010276 construction Methods 0.000 abstract description 6
- 230000007812 deficiency Effects 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model relates to a kind of power system measuring cable single-ended shielding cover, cylindrical structure, comprise insulation inner container, conductive metal mesh, elastic insulated separation layer, insulation outer wall and hard protection termination, conductive metal mesh is at least one deck distributing around insulation inner container, insulation outer wall is coated on outside conductive metal mesh, hard protection termination lays respectively at the two ends of power system measuring cable single-ended shielding cover, and be connected with insulation inner container and the outer wall that insulate respectively, cable-through hole is established in hard protection termination, conductive metal mesh and insulation inner container, between insulation outer wall and all establish elastic insulated separation layer between conductive metal mesh and conductive metal mesh.Basis is novel can become the single-ended shielded cable possessing anti-high frequency interference ability by conventional power cable local flow improvement, the high voltage such as power plant, transformer station can be widely used on the one hand, the needs that cable uses are measured in big current place, overcome the high deficiency of conventional shielded electric wire use cost on the other hand, contribute to saving construction cost, alleviate cable weight.
Description
Technical field
The utility model relates to a kind of power system measuring cable single-ended shielding cover, belongs to electric power shielding field of cable technology.
Background technology
In power plant, transformer station and some other use big current, high-tension power equipment user, often need big current, high-tension electric energy passes through current transformer, the equipment such as voltage transformer (VT) are converted into electric current, the work such as necessary measurement can be carried out after the electric energy that voltage is all relatively low, and due to power plant, transformer station and some other use big current, in high-tension workplace, often electromagnetic environment is very complicated, high-frequency interferencing signal is stronger, therefore very easily current transformer is caused, the line of electric force that voltage transformer (VT) connects is interfered, thus reduction measurement accuracy, in order to overcome this drawback, current mainly do send out be by with current transformer, voltage transformer (VT) connects the line of electric force shielded cable with better antijamming capability and replaces, although effectively shielding action can be played to after external disturbance letter, but shielded cable price is relatively high, and deadweight is larger, it is also relatively large that construction connects difficulty, thus cause the use cost of shielded cable and construction cost all higher, and actual use in current transformer, the line of electric force that voltage transformer (VT) connects needs the distance possessing antijamming capability also relatively short, therefore shielded cable is directly used to replace the way of line of electric force to cause the great wasting of resources, therefore need to send out and open a kind of novel device, raising ordinary power line antijamming capability can be made quickly and easily, the actual needs used of laminating.
Utility model content
For the deficiency that prior art exists, the utility model provides a kind of power system measuring cable single-ended shielding cover, this novel compact, good operation stability, flexible and convenient to use, the needs that can use according to reality, effectively conventional power cable local flow improvement is become the single-ended shielded cable possessing anti-high frequency interference ability, power plant can be widely used on the one hand, the high voltages such as transformer station, the needs that cable uses are measured in big current place, overcome the high deficiency of conventional shielded electric wire use cost on the other hand, contribute to saving construction cost, alleviate cable weight.
To achieve these goals, the utility model realizes by the following technical solutions:
A kind of power system measuring cable single-ended shielding cover, cylindrical structure, comprise insulation inner container, conductive metal mesh, elastic insulated separation layer, insulation outer wall and hard protection termination, conductive metal mesh is at least one deck distributing around insulation inner container, insulation outer wall is coated on outside conductive metal mesh, hard protection termination lays respectively at the two ends of power system measuring cable single-ended shielding cover, and be connected with insulation inner container and the outer wall that insulate respectively, cable-through hole is established in hard protection termination, conductive metal mesh and insulation inner container, between insulation outer wall and all establish elastic insulated separation layer between conductive metal mesh and conductive metal mesh.
Further, resilient seal block is separately established in described cable-through hole.
This novel compact, good operation stability, flexible and convenient to use, the needs that can use according to reality, effectively conventional power cable local flow improvement is become the single-ended shielded cable possessing anti-high frequency interference ability, the high voltage such as power plant, transformer station can be widely used on the one hand, the needs that cable uses are measured in big current place, overcome the high deficiency of conventional shielded electric wire use cost on the other hand, contribute to saving construction cost, alleviate cable weight.
Accompanying drawing explanation
The utility model is described in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is this new structure schematic diagram.
Embodiment
The technological means realized for making the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the utility model further.
A kind of power system measuring cable single-ended shielding cover as described in Figure 1, cylindrical structure, comprise insulation inner container 1, conductive metal mesh 2, elastic insulated separation layer 3, insulation outer wall 4 and hard protection termination 5, conductive metal mesh 2 is at least one deck and distribute around insulation inner container 1, insulation outer wall bag 4 overlays on outside conductive metal mesh 2, hard protection termination 5 lays respectively at the two ends of power system measuring cable single-ended shielding cover, and be connected with 1 courage in insulation and the outer wall 4 that insulate respectively, cable-through hole 6 is established in hard protection termination 5, conductive metal mesh 2 and insulation inner container 1, between insulation outer wall 4 and all establish elastic insulated separation layer 3 between conductive metal mesh 2 and conductive metal mesh 2.
In the present embodiment, in described cable-through hole 6, separately establish resilient seal block 7.
This novel compact, good operation stability, flexible and convenient to use, the needs that can use according to reality, effectively conventional power cable local flow improvement is become the single-ended shielded cable possessing anti-high frequency interference ability, the high voltage such as power plant, transformer station can be widely used on the one hand, the needs that cable uses are measured in big current place, overcome the high deficiency of conventional shielded electric wire use cost on the other hand, contribute to saving construction cost, alleviate cable weight.
More than show and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. a power system measuring cable single-ended shielding cover, it is characterized in that, described power system measuring cable single-ended shielding overlaps cylindrical structure, comprise insulation inner container, conductive metal mesh, elastic insulated separation layer, insulation outer wall and hard protection termination, described conductive metal mesh is at least one deck distributing around insulation inner container, described insulation outer wall is coated on outside conductive metal mesh, described hard protection termination lays respectively at the two ends of power system measuring cable single-ended shielding cover, and be connected with insulation inner container and the outer wall that insulate respectively, cable-through hole is established in described hard protection termination, described conductive metal mesh and insulation inner container, between insulation outer wall and all establish elastic insulated separation layer between conductive metal mesh and conductive metal mesh.
2. a kind of power system measuring cable single-ended shielding cover according to claim 1, is characterized in that, separately establish resilient seal block in described cable-through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520062500.8U CN204347081U (en) | 2015-01-28 | 2015-01-28 | A kind of power system measuring cable single-ended shielding cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520062500.8U CN204347081U (en) | 2015-01-28 | 2015-01-28 | A kind of power system measuring cable single-ended shielding cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204347081U true CN204347081U (en) | 2015-05-20 |
Family
ID=53230342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520062500.8U Expired - Fee Related CN204347081U (en) | 2015-01-28 | 2015-01-28 | A kind of power system measuring cable single-ended shielding cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204347081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424992A (en) * | 2015-11-09 | 2016-03-23 | 国家电网公司 | Single-end shielding sleeve for measurement cable of power system |
-
2015
- 2015-01-28 CN CN201520062500.8U patent/CN204347081U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424992A (en) * | 2015-11-09 | 2016-03-23 | 国家电网公司 | Single-end shielding sleeve for measurement cable of power system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20150362536A1 (en) | High-voltage direct current broad frequency-domain corona current measurement system | |
| CN203551641U (en) | Broadband voltage collector | |
| CN103592497A (en) | Broadband voltage collector | |
| CN204347081U (en) | A kind of power system measuring cable single-ended shielding cover | |
| CN203164258U (en) | High-voltage direct current wide frequency domain corona current measuring system | |
| CN207557405U (en) | A kind of high-tension cable charges partial discharge detection sensor | |
| CN202267717U (en) | Live test rod for lightning arrester | |
| CN205450099U (en) | Voltage detection device and high -voltage inverter | |
| CN205229368U (en) | Pollution flashover monitoring system | |
| CN207380123U (en) | A kind of detection device of human body line-frequency induction electric current | |
| CN203606409U (en) | Capacitor voltage transformer | |
| CN105424992A (en) | Single-end shielding sleeve for measurement cable of power system | |
| CN203929946U (en) | A kind of interconnecting cable induced field test device | |
| CN204989396U (en) | Multi -functional insulating property live test appearance | |
| CN203745491U (en) | Multipurpose universal meter pen | |
| CN203465335U (en) | GIS-type electronic mutual inductor housing | |
| CN202887866U (en) | High-voltage wire for power tests | |
| CN206323095U (en) | Epoxy resin wall bushing | |
| CN207009266U (en) | A kind of dry type becomes electrical equipment electrostatic screen device | |
| CN203787265U (en) | Transformer sleeve provided with intelligent measuring terminal | |
| CN203983018U (en) | Combined type electromagnetic shielding electric energy metrical voltage transformer | |
| CN204634262U (en) | A kind of bucking current does not change the device of CURRENT DISTRIBUTION | |
| CN205051340U (en) | Take intelligent circuit breaker of wireless data communication interface | |
| CN203365529U (en) | Sensor device for detecting high-voltage current and voltage on line | |
| CN204882700U (en) | Hand-held overvoltage testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |