CN107610819B - Vibration cable - Google Patents
Vibration cable Download PDFInfo
- Publication number
- CN107610819B CN107610819B CN201710841621.6A CN201710841621A CN107610819B CN 107610819 B CN107610819 B CN 107610819B CN 201710841621 A CN201710841621 A CN 201710841621A CN 107610819 B CN107610819 B CN 107610819B
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- Prior art keywords
- shielding layer
- insulator
- layer
- signal wire
- bare
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- 239000012212 insulator Substances 0.000 claims abstract description 24
- 239000004020 conductor Substances 0.000 claims abstract description 13
- 229920006267 polyester film Polymers 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 229920002799 BoPET Polymers 0.000 claims 1
- 239000005041 Mylar™ Substances 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract description 2
- 230000035945 sensitivity Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The invention provides a vibration cable, which comprises a sheath layer, a shielding layer, a polyester film layer, an insulator, a signal wire and a bare wire, wherein the shielding layer, the polyester film layer and the insulator are coaxially sleeved in the sheath layer from outside to inside in sequence, the center of the insulator is provided with a parallel integrated signal wire, the outer edges of the insulators at two ends of the parallel integrated signal wire are respectively provided with a groove, a rigid lining attached to the walls of the grooves is arranged in the grooves, the bare wire is sleeved in the rigid lining, the cross section area of the rigid lining is larger than that of the bare wire, and an arc-shaped inner shielding layer is embedded in the insulator between the parallel integrated signal wire and the bare wire in a mirror symmetry manner. The invention has the advantages and beneficial effects that: the free activity space of the bare conductor is ensured, and the influence of bending and extrusion of the cable is avoided; the arc inner shielding layer effectively reduces mutual interference of two bare wires and interference from external signals, ensures reliability of the cable, and simultaneously, the four-core signal wire can transmit various signals.
Description
Technical Field
The invention relates to the field of sensor cables, in particular to a vibration cable.
Background
The vibration cable is a passive distributed anti-intrusion sensor laid on a building, fence, rail or buried underground. The device can convert micro mechanical vibration (namely micro vibration brought by an invader) in a protection area into an electric signal and then transmit the electric signal to the data acquisition unit, and the data acquisition unit processes the signal and then transmits the signal to the alarm host machine so as to achieve the alarm purpose.
However, after the existing vibration cable is paved on the wall or the bottom, the cable is easy to be extruded, so that the vibration space of the lead is reduced, the reliability is reduced, and meanwhile, the prior art has various disadvantages in the aspects of interference resistance, durability and signal transmission.
Disclosure of Invention
The invention aims to solve the problems of overcoming the defects of the prior art and providing the vibration cable which can simultaneously transmit various signals and has high reliability.
The invention solves the technical problems by adopting the following technical scheme:
The utility model provides a vibration cable, includes restrictive coating, shielding layer, polyester film layer, insulator, signal line and bare conductor, coaxial suit shielding layer, polyester film layer and insulator in proper order from outside to inside in the restrictive coating, and the insulator center is equipped with parallel integrative signal line, and the insulator outer fringe at parallel integrative signal line both ends respectively is equipped with a recess, is equipped with the rigidity inside lining with the laminating of recess wall in the recess, suit bare conductor in the rigidity inside lining, the cross-sectional area of rigidity inside lining is greater than the cross-sectional area of bare conductor, and the insulator mirror symmetry between parallel integrative signal line and bare conductor is respectively inlayed and is inlayed an arc inner shield, and the opening of inner shield layer is towards bare conductor one side moreover.
Preferably, the middle part of the arc-shaped inner shielding layer is in contact with the insulating layer, and a gap is formed between the two ends of the arc-shaped inner shielding layer and the insulating layer, so that the vibration sensitivity is improved.
Preferably, the insulator is oblong, and the recess and the rigid liner are both outwardly open arcs.
Preferably, the shielding layer is a woven shielding layer and a semi-conductive shielding layer, the woven shielding layer is close to the sheath layer, and the semi-conductive shielding layer is close to the polyester film layer.
Preferably, the polyester film layer and the shielding layer are both elliptical.
Preferably, the cross section of the sheath layer is rectangular with rounded corners.
Compared with the prior art, the invention has the remarkable advantages and beneficial effects: the bare conductor is arranged in the groove with the rigid lining, so that the cross section of the groove is more stable, the free activity space of the bare conductor is ensured, and the influence of bending and extrusion of the cable is avoided; the arc-shaped inner shielding layer effectively reduces mutual interference of two bare wires and interference from external signals, ensures the reliability of the cable, and simultaneously has movable spaces at two ends, so that the inner shielding layer can swing reciprocally, thereby being beneficial to capturing vibration and improving the sensitivity of the cable to vibration; the four-core parallel integrated signal wire can transmit various signals, and meanwhile, the structure is more stable when the cable vibrates, bending and displacement are not easy to generate, meanwhile, the vibrating wire structure arranged at two sides of the cable is stable, and the stability of signal wire transmission is ensured.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The following detailed description of specific embodiments, structures, features and their efficacy according to the invention is made with reference to the accompanying drawings and preferred embodiments.
The vibration cable shown in fig. 1 comprises a sheath layer 1, a shielding layer 2, a polyester film layer 3, an insulator 4, a signal wire 5 and a bare wire 7, wherein the shielding layer 2, the polyester film layer 3 and the insulator 4 are coaxially sleeved in the sheath layer 1 from outside to inside in sequence, the center of the insulator 4 is provided with four parallel integrated signal wires 5, the outer edges of the insulators at two ends of the parallel integrated signal wires are respectively provided with a groove 8, a rigid lining 9 attached to the groove wall is arranged in the groove, the bare wire 7 is sleeved in the rigid lining 9, the cross section area of the rigid lining is larger than that of the bare wire, an arc-shaped inner shielding layer 6 is embedded in the insulator 4 between the parallel integrated signal wires 5 and the bare wire 7 in a mirror symmetry manner, and the opening of the inner shielding layer 6 faces one side of the bare wire 7.
The middle part of the arc-shaped inner shielding layer 6 is contacted with the insulating layer 4, and gaps are formed between the two ends of the arc-shaped inner shielding layer and the insulating layer, so that the two ends of the arc-shaped inner shielding layer are suspended, and can swing back and forth when external vibration is received, thereby being beneficial to improving the vibration sensitivity.
The insulator 4 is oblong, and the grooves 8 and the rigid inner lining 9 are arc-shaped and open outwards.
The shielding layer 2 is a woven shielding layer and a semi-conductive shielding layer, the woven shielding layer is close to the sheath layer, and the semi-conductive shielding layer is close to the polyester film layer.
The polyester film layer 3 and the shielding layer 2 are both elliptical.
The cross section of the sheath layer 1 is rectangular with round corners.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (4)
1. The utility model provides a vibration cable, includes restrictive coating, shielding layer, mylar layer, insulator, signal line and bare conductor, its characterized in that: the shielding layer, the polyester film layer and the insulator are coaxially sleeved in the sheath layer from outside to inside in sequence, the center of the insulator is provided with a parallel integrated signal wire, the outer edges of the insulators at two ends of the parallel integrated signal wire are respectively provided with a groove, a rigid lining attached to the groove wall is arranged in each groove, the rigid lining is internally sleeved with a bare conductor, the cross section area of the rigid lining is larger than that of the bare conductor, an arc-shaped inner shielding layer is embedded in the insulator between the parallel integrated signal wire and the bare conductor in a mirror symmetry manner, and the opening part of the inner shielding layer faces one side of the bare conductor; the middle part of the arc-shaped inner shielding layer is in contact with the insulator, and a gap is formed between the two ends of the arc-shaped inner shielding layer and the insulator; the insulator is oblong, and the grooves and the rigid inner lining are arc-shaped with outward openings.
2. The vibration cable of claim 1, wherein: the shielding layer is a woven shielding layer and a semi-conductive shielding layer, the woven shielding layer is close to the sheath layer, and the semi-conductive shielding layer is close to the polyester film layer.
3. The vibration cable of claim 1, wherein: the polyester film layer and the shielding layer are all elliptical.
4. The vibration cable of claim 1, wherein: the cross section of the sheath layer is rectangular with round corners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710841621.6A CN107610819B (en) | 2017-09-18 | 2017-09-18 | Vibration cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710841621.6A CN107610819B (en) | 2017-09-18 | 2017-09-18 | Vibration cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107610819A CN107610819A (en) | 2018-01-19 |
| CN107610819B true CN107610819B (en) | 2024-05-31 |
Family
ID=61060759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710841621.6A Active CN107610819B (en) | 2017-09-18 | 2017-09-18 | Vibration cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107610819B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109767871B (en) * | 2018-12-18 | 2020-04-10 | 上海鑫园电线电缆有限公司 | Main cable for submersible pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1468022A (en) * | 1974-07-25 | 1977-03-23 | Bicc Ltd | Location of faults in electric cables |
| CN201083538Y (en) * | 2007-06-26 | 2008-07-09 | 北京京安能科技有限公司 | Long line vibration detecting device |
| CN202205482U (en) * | 2011-09-09 | 2012-04-25 | 杨军 | Vibration cable and perimeter alarm system |
| CN202373348U (en) * | 2011-11-23 | 2012-08-08 | 天津亨特尔线缆有限公司 | Multi-core parallel abrasion-resisting vibration cable |
| CN203799697U (en) * | 2014-01-22 | 2014-08-27 | 天津亨特尔线缆有限公司 | Slotted type vibration cable |
| CN207302676U (en) * | 2017-09-18 | 2018-05-01 | 浙江华普电缆有限公司 | A kind of vibration wireline |
-
2017
- 2017-09-18 CN CN201710841621.6A patent/CN107610819B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1468022A (en) * | 1974-07-25 | 1977-03-23 | Bicc Ltd | Location of faults in electric cables |
| CN201083538Y (en) * | 2007-06-26 | 2008-07-09 | 北京京安能科技有限公司 | Long line vibration detecting device |
| CN202205482U (en) * | 2011-09-09 | 2012-04-25 | 杨军 | Vibration cable and perimeter alarm system |
| CN202373348U (en) * | 2011-11-23 | 2012-08-08 | 天津亨特尔线缆有限公司 | Multi-core parallel abrasion-resisting vibration cable |
| CN203799697U (en) * | 2014-01-22 | 2014-08-27 | 天津亨特尔线缆有限公司 | Slotted type vibration cable |
| CN207302676U (en) * | 2017-09-18 | 2018-05-01 | 浙江华普电缆有限公司 | A kind of vibration wireline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107610819A (en) | 2018-01-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240507 Address after: No. 5, Electronic Industry Zone, Yunji Industrial Park, Hengnan County, Hengyang City, Hunan Province, 421200 (within Hunan Zhongxiang Label Co., Ltd.) Applicant after: Hengnan County Meizhi Electronics Co.,Ltd. Country or region after: China Address before: 313000, No. 166 Zhenzhu Street, Fuxi Street, Deqing County, Huzhou City, Zhejiang Province (Moganshan National High tech Zone) Applicant before: ZHEJIANG HUAPU CABLE Co.,Ltd. Country or region before: China |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |