CN201655415U - Accompanying-video coaxial flexible cable for elevator - Google Patents
Accompanying-video coaxial flexible cable for elevator Download PDFInfo
- Publication number
- CN201655415U CN201655415U CN2010201133012U CN201020113301U CN201655415U CN 201655415 U CN201655415 U CN 201655415U CN 2010201133012 U CN2010201133012 U CN 2010201133012U CN 201020113301 U CN201020113301 U CN 201020113301U CN 201655415 U CN201655415 U CN 201655415U
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- China
- Prior art keywords
- cable
- conductor layer
- outer conductor
- elevator
- video coaxial
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- 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 - Lifetime
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Abstract
The utility model relates to a cable, in particular to a cable for an elevator. An accompanying-video coaxial flexible cable for an elevator comprises an outer protecting later, an outer conductor layer is arranged in the outer protecting later, and a core is arranged in the outer conductor layer. The core comprises an inner conductor and an insulating layer out the inner conductor, and the inner conductor adopts a structure that a fiber core is wound by a copper wire. As the technical scheme is adopted, the accompanying-video coaxial flexible cable for the elevator has the advantages good flexibility, bending resistance, and the like. According to a tensile test method stated in GB/T 5023.2-2008 and EN 50214-2006 standards, after the cable passes 3 million times of bending tests, the transmission performance can also meet GB/T 14864-93 requirements, and the mechanical tensile performance is better than the bending performance requirements in the GB/T 5023.2-2008 and EN 50214-2006 standards for products.
Description
Technical field
The utility model relates to cable, is specifically related to a kind of cable that is used for elevator.
Background technology
In order to realize real-time monitoring and the multimedia messages transmission in the elevator cage, contain communications optical cable and video coaxial cable in the trailing cable of elevator more.
The flexibility and the bendability of ordinary video coaxial cable are relatively poor, and this class cable can produce the disconnected core phenomenon of cable, so the ordinary video coaxial cable is not suitable in the trailing cable as using in the trailing cable in elevator hoistways in very short time.
How to design and a kind ofly be applicable to that the video coaxial cable in the trailing cable is the problem that the technical staff will solve.
The utility model content
The purpose of this utility model is, provides elevator with retinue video coaxial flexiible cable, solves above technical problem.
The technical problem that the utility model solved can realize by the following technical solutions:
Elevator comprises external protection with retinue video coaxial flexiible cable, is provided with outer conductor layer in the external protection; be provided with core in the outer conductor layer; described core comprises inner wire and the outer insulating barrier of inner wire, it is characterized in that, described inner wire adopts copper wire to twine the fibre core structure.
Described inner wire adopts copper wire fine pith rule to twine the fibre core structure.Adopt the fine pith rule to twine the flexibility that can further improve inner wire, conductor twines through rule, can have the mechanical strength of rounding property and Geng Gao preferably.
Described copper wire adopts anaerobic soft copper silk or zinc-plated soft copper silk, adopts anaerobic soft copper silk or zinc-plated soft copper silk can make the utility model flexibility and bendability better.
The insulating barrier of described insulating barrier for adopting PE or PE expanded material to make.PE has superior corrosion resistance and electrical insulating property, and has high flexibility.
Described external protection is for adopting the external protection of PVC flexible sheath material.
Described outer conductor layer is for adopting the outer conductor layer of braid shielded structure.Described outer conductor layer is a screen.
The outer conductor layer of described outer conductor layer for adopting the braiding of zinc-plated soft copper silk or silver-plated soft copper silk to form.
Compared with prior art, beneficial effect of the present invention:, the utlity model has advantages such as good flexibility, flexing resistance owing to adopt technique scheme.By the test method of stipulating in GB/T 5023.2-2008 and the EN 50214-2006 standard that deflects, through after 30,000 bend tests, its transmission performance can also satisfy GB/T 14864-93 requirement fully, and its machinery deflects performance and is better than in GB/T 5023.2-2008 and the EN50214-2006 standard bending property requirement to product.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model inner wire.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose with effect is easy to understand, below in conjunction with the further elaboration the utility model of concrete diagram.
With reference to Fig. 1, Fig. 2, elevator comprises external protection 1 with retinue video coaxial flexiible cable, and external protection 1 is for adopting the external protection 1 of PVC flexible sheath material.Be provided with outer conductor layer 2 in the external protection 1, outer conductor layer 2 is for adopting the outer conductor layer 2 of braid shielded structure, the outer conductor layer 2 of outer conductor layer 2 for adopting the braiding of zinc-plated soft copper silk or silver-plated soft copper silk to form.Be provided with core in the outer conductor layer 2, core comprises the insulating barrier 32 outside inner wire 31 and the inner wire 31, the insulating barrier of insulating barrier 32 for adopting PE or PE expanded material to make.Inner wire 31 adopts copper wire 312 to twine fibre core 311 structural arrangement, and preferred fine pith rule is twined fibre core 311 structures.Copper wire 312 adopts anaerobic soft copper silk or zinc-plated soft copper silk.The insulating barrier 32 of insulating barrier 32 for adopting the PE expanded material to make.
Example:
1. inner wire 31 is for adopting the anaerobic soft copper silk rule winding arrangement that twines 18 0.18mm on the aramid fiber material;
2. insulating barrier 32 is the LDPE material in the PE material;
3. outer conductor layer 2 is 6 (root) * 0.15mm * 16 ingot copper silk braiding structures;
4. external protection 1 is a PVC elastic body jacket material;
Product deflect test, the test primary condition is as follows:
1. the diameter of pulley that deflects test is 160mm;
2. the weight weight of test piece two ends suspension is 4kg;
3. the sampling test frequency is 20 times/min;
The utility model is standing the test that deflects of afore mentioned rules condition, and test number (TN) can reach more than 50,000 times.And deflecting test and can only reaching about 3,000 times of common video coaxial cable will produce the disconnected core phenomenon of inner wire.The utility model is after standing to deflect test 30,000 times, and its main electric transmission performance detected parameters is as follows:
| Sequence number | Project | Standard-required | Measured |
| 1? | Characteristic impedance (200MHz) | 75±3Ω? | 75.5Ω? |
| 2? | Attenuation constant (20 ℃ of 200MHz) | MAX： 0.150dB/m? | 0.138dB/m? |
| 3? | Dielectric strength (AC3000V/5min) | Do not puncture | Do not puncture |
The utility model is compared with other video coaxial cables, has the mechanical strength height, and softness is good, fatigue resistance is strong, and electric transmission performance is good, advantages such as long service life, relatively be fit to be used in and often move crooked occasion such as elevator industry, as the elevator trailing video coaxial cable.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. elevator comprises external protection with retinue video coaxial flexiible cable, is provided with outer conductor layer in the external protection; be provided with core in the outer conductor layer; described core comprises inner wire and the outer insulating barrier of inner wire, it is characterized in that, described inner wire adopts copper wire to twine the fibre core structure.
2. elevator according to claim 1 is characterized in that: described copper wire employing anaerobic soft copper silk with retinue video coaxial flexiible cable.
3. elevator according to claim 2 is characterized in that: the insulating barrier of described insulating barrier for adopting the PE expanded material to make with retinue video coaxial flexiible cable.
4. elevator according to claim 2 retinue video coaxial flexiible cable, it is characterized in that: described external protection is for adopting the external protection of PVC flexible sheath material.
5. elevator according to claim 2 retinue video coaxial flexiible cable, it is characterized in that: described outer conductor layer is for adopting the outer conductor layer of braid shielded structure.
6. elevator according to claim 5 is characterized in that: the outer conductor layer of described outer conductor layer for adopting zinc-plated soft copper silk braiding to form with retinue video coaxial flexiible cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201133012U CN201655415U (en) | 2010-02-11 | 2010-02-11 | Accompanying-video coaxial flexible cable for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201133012U CN201655415U (en) | 2010-02-11 | 2010-02-11 | Accompanying-video coaxial flexible cable for elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201655415U true CN201655415U (en) | 2010-11-24 |
Family
ID=43120659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201133012U Expired - Lifetime CN201655415U (en) | 2010-02-11 | 2010-02-11 | Accompanying-video coaxial flexible cable for elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201655415U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102385949A (en) * | 2011-09-29 | 2012-03-21 | 重庆瑞普电缆有限公司 | Flexible rubber-sheathed cable capable of resisting salts and repeated bending |
| CN105390206A (en) * | 2015-12-18 | 2016-03-09 | 上海南洋-藤仓电缆有限公司 | Super-flexible radio-frequency communication cable for high-speed elevator travelling cable and manufacturing method thereof |
| CN105825925A (en) * | 2016-05-05 | 2016-08-03 | 上海南洋-藤仓电缆有限公司 | Cable for flexible robot and manufacturing method |
-
2010
- 2010-02-11 CN CN2010201133012U patent/CN201655415U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102385949A (en) * | 2011-09-29 | 2012-03-21 | 重庆瑞普电缆有限公司 | Flexible rubber-sheathed cable capable of resisting salts and repeated bending |
| CN105390206A (en) * | 2015-12-18 | 2016-03-09 | 上海南洋-藤仓电缆有限公司 | Super-flexible radio-frequency communication cable for high-speed elevator travelling cable and manufacturing method thereof |
| CN105825925A (en) * | 2016-05-05 | 2016-08-03 | 上海南洋-藤仓电缆有限公司 | Cable for flexible robot and manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |