CN207818259U - A kind of HYV types pvc sheath telephone wire - Google Patents
A kind of HYV types pvc sheath telephone wire Download PDFInfo
- Publication number
- CN207818259U CN207818259U CN201820316401.1U CN201820316401U CN207818259U CN 207818259 U CN207818259 U CN 207818259U CN 201820316401 U CN201820316401 U CN 201820316401U CN 207818259 U CN207818259 U CN 207818259U
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- layer
- electromagnetic wave
- proof layer
- wave proof
- hyv
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Abstract
The utility model discloses a kind of HYV types pvc sheath telephone wire,Polyolefin insulation layer including at least 2 communication conductor units and covering communication conductor unit,The communication conductor unit is made of the first polyvinyl chloride layer of copper core and package copper core,The first electromagnetic wave proof layer is formed outside polyolefin insulation layer,The cross sectional shape of the first electromagnetic wave proof layer is gear-like,Copper wire woven net shielded layer is laid on the first electromagnetic wave proof layer,First electromagnetic wave proof layer connection, first ground wire,The second polyvinyl chloride layer is formed outside the copper wire woven net shielded layer,The second electromagnetic wave proof layer is formed outside second polyvinyl chloride layer,The cross sectional shape of the second electromagnetic wave proof layer is gear-like,The second electromagnetic wave proof layer connects by the second ground wire,Third polyvinyl chloride layer is formed outside the second electromagnetic wave proof layer；Advantageous effect：The utility model insulating capacity, ageing resistance, fire retardancy and electromagnetic wave shielding ability have obtained great promotion.
Description
Technical field
The utility model is related to telephone wire fields, more particularly to a kind of HYV types pvc sheath telephone wire.
Background technology
HYV communication cables：Cable material is copper core+polyolefin insulation+pvc sheath, and cable full name is that " copper core is poly-
Alkene insulation PVC sheath ".HYV communication cables are used mainly as city communication cable, are generally used for pipeline laying,
It can be used for making somebody a mere figurehead laying, need messenger wire when making somebody a mere figurehead laying.
Existing its insulating capacity of HYV communication cables, ageing resistance and fire retardancy, especially electromagnetic wave shielding ability
There are many deficiencies, and the communicating requirement of high request is unable to reach in complex environment.
Utility model content
The purpose of this utility model is to provide a kind of HYV types pvc sheath telephone wires, to solve the prior art
Deficiency improves insulating capacity, ageing resistance, fire retardancy and the electromagnetic wave shielding ability of sheath telephone wire.
The technical solution of the utility model:
A kind of HYV types pvc sheath telephone wire, including at least 2 communication conductor units and covering communication conductor unit
Polyolefin insulation layer, the communication conductor unit by copper core and package copper core the first polyvinyl chloride layer constitute, polyolefin is exhausted
The first electromagnetic wave proof layer is formed outside edge layer, the cross sectional shape of the first electromagnetic wave proof layer is gear-like, first electricity
Copper wire woven net shielded layer, first ground wire of the first electromagnetic wave proof layer connection, the copper wire are laid on electromagnetic wave shielding layer
The second polyvinyl chloride layer is formed outside mesh grid shielded layer, and the second electromagnetic wave proof layer, institute are formed outside second polyvinyl chloride layer
The cross sectional shape for stating the second electromagnetic wave proof layer is gear-like, and the first electromagnetic wave proof layer or the second electromagnetic wave proof layer form
Protruding portion and inner fovea part increase the absorption area of electromagnetic wave, can absorb more electromagnetic waves, reach preferably protection and make
With the second electromagnetic wave proof layer connects by the second ground wire, and the second electromagnetic wave proof layer forms third polyvinyl chloride outside
Layer.
Second protruding portion of the first protruding portion of the first electromagnetic wave proof layer and the first electromagnetic wave proof layer is staggered.
Graphite anti oxidation layer is formed outside the third polyvinyl chloride layer.
Flame-proof polyethylene insulating layer is formed outside the graphite anti oxidation layer.
One conducting plastics layer of the first electromagnetic wave proof layer or the second electromagnetic wave proof layer.
First ground wire and the second ground wire connect.
Advantageous effect：The utility model insulating capacity, ageing resistance and fire retardancy have obtained great promotion, especially
It is that electromagnetic wave shielding ability is protruded using the first protruding portion of the first electromagnetic wave proof layer and the second of the first electromagnetic wave proof layer
Portion is staggered, and the first protruding portion or the second protruding portion increase the absorption area of electromagnetic wave, can absorb more electromagnetic waves, reach
Better protective action, shielding electromagnetic interference of the 360 deg without dead angle can be made by being staggered.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide a further understanding of the present invention, this practicality
Novel illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model.
In the accompanying drawings：
Fig. 1 is the schematic cross-section of the utility model.
Specific implementation mode
It, cannot the following content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is confined to these explanations, it should be noted that in the absence of conflict, the application
In embodiment and embodiment in feature can be combined with each other.
Embodiment 1：
In conjunction with shown in Fig. 1, a kind of HYV types pvc sheath telephone wire of the present embodiment, including at least 2 communication conductor lists
The polyolefin insulation layer 2 of member 1 and covering communication conductor unit, the communication conductor unit is by the of copper core 101 and package copper core
One polyvinyl chloride layer constitutes 102, and the first electromagnetic wave proof layer 3, the first electromagnetic wave proof layer are formed outside polyolefin insulation layer
Cross sectional shape be gear-like, laying copper wire woven net shielded layer 4, first electromagnetic wave on the first electromagnetic wave proof layer
The first ground wire 31 of protective layer connection, the copper wire woven net shielded layer form the second polyvinyl chloride layer 5, second polychlorostyrene outside
Forming the second electromagnetic wave proof layer 6 outside pvdf layer, the cross sectional shape of the second electromagnetic wave proof layer is gear-like, described second
Electromagnetic wave proof layer connects by the second ground wire 61, and the second electromagnetic wave proof layer forms third polyvinyl chloride layer 7 outside.
First protruding portion 3a of the first electromagnetic wave proof layer and the second protruding portion 6a of the first electromagnetic wave proof layer are wrong
It opens；Graphite anti oxidation layer 8 is formed outside the third polyvinyl chloride layer；Flame-proof polyethylene insulation is formed outside the graphite anti oxidation layer
Layer 9；One conducting plastics layer of the first electromagnetic wave proof layer or the second electromagnetic wave proof layer；First ground wire and second connects
Ground wire connects.
Embodiment 2：
In conjunction with shown in Fig. 1, a kind of HYV types pvc sheath telephone wire of the present embodiment, including at least 2 communication conductor lists
The polyolefin insulation layer 2 of member 1 and covering communication conductor unit, the communication conductor unit is by the of copper core 101 and package copper core
One polyvinyl chloride layer constitutes 102, and the first electromagnetic wave proof layer 3, the first electromagnetic wave proof layer are formed outside polyolefin insulation layer
Cross sectional shape be gear-like, laying copper wire woven net shielded layer 4, first electromagnetic wave on the first electromagnetic wave proof layer
The first ground wire 31 of protective layer connection, the copper wire woven net shielded layer form the second polyvinyl chloride layer 5, second polychlorostyrene outside
Forming the second electromagnetic wave proof layer 6 outside pvdf layer, the cross sectional shape of the second electromagnetic wave proof layer is gear-like, described second
Electromagnetic wave proof layer connects by the second ground wire 61, and the second electromagnetic wave proof layer forms third polyvinyl chloride layer 7 outside.
Graphite anti oxidation layer 8 is formed outside the third polyvinyl chloride layer；Fire-retardant poly- second is formed outside the graphite anti oxidation layer
Alkene insulating layer 9；First ground wire and the second ground wire connect.
For the utility model person of an ordinary skill in the technical field, the utility model design is not being departed from
Under the premise of, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the scope of protection of the utility model.
Claims (6)
1. a kind of HYV types pvc sheath telephone wire, including at least 2 communication conductor units and covering communication conductor unit
Polyolefin insulation layer, the communication conductor unit are made of the first polyvinyl chloride layer of copper core and package copper core, which is characterized in that
The first electromagnetic wave proof layer is formed outside polyolefin insulation layer, the cross sectional shape of the first electromagnetic wave proof layer is gear-like, institute
Laying copper wire woven net shielded layer on the first electromagnetic wave proof layer is stated, the first electromagnetic wave proof layer connection first is grounded,
The second polyvinyl chloride layer is formed outside the copper wire woven net shielded layer, it is anti-to form the second electromagnetic wave outside second polyvinyl chloride layer
The cross sectional shape of sheath, the second electromagnetic wave proof layer is gear-like, and the second electromagnetic wave proof layer connects by the second ground connection
Line, the second electromagnetic wave proof layer form third polyvinyl chloride layer outside.
2. a kind of HYV types pvc sheath telephone wire according to claim 1, which is characterized in that first electromagnetic wave
Second protruding portion of the first protruding portion of protective layer and the first electromagnetic wave proof layer is staggered.
3. a kind of HYV types pvc sheath telephone wire according to claim 1, which is characterized in that the third polychlorostyrene second
Graphite anti oxidation layer is formed outside alkene layer.
4. a kind of HYV types pvc sheath telephone wire according to claim 3, which is characterized in that the graphite is anti-oxidant
Layer is outer to form flame-proof polyethylene insulating layer.
5. a kind of HYV types pvc sheath telephone wire according to claim 1, which is characterized in that
One conducting plastics layer of the first electromagnetic wave proof layer or the second electromagnetic wave proof layer.
6. a kind of HYV types pvc sheath telephone wire according to claim 1, which is characterized in that first ground wire
With the second ground wire connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820316401.1U CN207818259U (en) | 2018-03-08 | 2018-03-08 | A kind of HYV types pvc sheath telephone wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820316401.1U CN207818259U (en) | 2018-03-08 | 2018-03-08 | A kind of HYV types pvc sheath telephone wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207818259U true CN207818259U (en) | 2018-09-04 |
Family
ID=63320601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820316401.1U Expired - Fee Related CN207818259U (en) | 2018-03-08 | 2018-03-08 | A kind of HYV types pvc sheath telephone wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207818259U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761099A (en) * | 2019-12-02 | 2020-02-07 | 云南春鹏钢绞线有限公司 | Unbonded prestressed steel strand |
-
2018
- 2018-03-08 CN CN201820316401.1U patent/CN207818259U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761099A (en) * | 2019-12-02 | 2020-02-07 | 云南春鹏钢绞线有限公司 | Unbonded prestressed steel strand |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 Termination date: 20200308 |