CN202887807U - Special signal cable for low-temperature-resisting and flexible fire control system - Google Patents
Special signal cable for low-temperature-resisting and flexible fire control system Download PDFInfo
- Publication number
- CN202887807U CN202887807U CN 201220538538 CN201220538538U CN202887807U CN 202887807 U CN202887807 U CN 202887807U CN 201220538538 CN201220538538 CN 201220538538 CN 201220538538 U CN201220538538 U CN 201220538538U CN 202887807 U CN202887807 U CN 202887807U
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- China
- Prior art keywords
- control system
- signal cable
- fire control
- conductor
- enclosed
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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 - Fee Related
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Abstract
The utility model discloses a special signal cable for a low-temperature-resisting and flexible fire control system. The special signal cable comprises a plurality of conductors, wherein an insulating layer covers the outer side of each conductor; each conductor covered by the insulating layer is annularly arrayed; a filling rope is arranged in a middle gap of each conductor covered by the insulating layer; a gap between each two conductors covered by the insulating layer is internally provided with a filling pipe with a circular section; the filling pipe is made of a polyurethane elastic body material; each conductor covered by the insulating layer and each filling pipe are twisted around each filling rope; and a twisted cable core is sequentially covered by a wrapping layer, a shielding layer and a protecting bush layer from inside to outside. According to the special signal cable for the low-temperature-resisting and flexible fire control system, the hollow filling pipe made of the polyurethane elastic body material is used for replacing a solid filling material; and under the precondition that the low temperature resistance of the cable is not influenced, the flexibility of the cable is improved.
Description
Technical field
The utility model relates generally to field of cables, relates in particular to a kind of low temperature resistant, soft fire control system signal cable special.
Background technology
The signal cable that is used for fire control system need to possess the high-and low-temperature resistance performance, also need to possess certain flexibility, the flexibility of cable generally solves by the insulating barrier of minimizing cable or the number of plies or the thickness of restrictive coating, the high-and low-temperature resistance performance that just is difficult to guarantee cable after but the number of plies of the insulating barrier of cable or restrictive coating or thickness reduce, in view of the two is difficult to have both, need the new technology of exploitation so that cable had both possessed lower temperature resistance, possess again flexibility.
The utility model content
The utility model purpose is exactly in order to remedy the defective of prior art, a kind of low temperature resistant, soft fire control system signal cable special to be provided.
The utility model is achieved through the following technical solutions:
A kind of low temperature resistant, soft fire control system signal cable special, it is characterized in that: include many conductors, the every conductor outside is enclosed with insulating barrier, respectively be enclosed with the conductor circular array of insulating barrier, respectively be enclosed with in the intermediate gaps of conductor of insulating barrier and be provided with a gasket for packing, respectively be enclosed with and be provided with a cross section in the conductor space between any two of insulating barrier and be circular filling pipe, described filling pipe adopts polyurethane elastomer material, respectively be enclosed with the conductor of insulating barrier and fill circumference of cannon bone and carry out strandedly around gasket for packing, the cable core outside after stranded is enclosed with lapping layer from inside to outside successively, screen, restrictive coating.
Described low temperature resistant, soft fire control system signal cable special is characterized in that: described conductor adopts tin annealed copper wire.
Described low temperature resistant, soft fire control system signal cable special is characterized in that: described insulating barrier adopts FEP.
Described low temperature resistant, soft fire control system signal cable special, it is characterized in that: described gasket for packing, lapping layer all adopt non-absorbent material.
Described low temperature resistant, soft fire control system signal cable special is characterized in that: described screen adopts the braiding tinned wird, and count is not less than 85%.
Described low temperature resistant, soft fire control system signal cable special is characterized in that: described restrictive coating adopts-40 ℃ of butyronitrile PVC compounds.
The utility model has the advantages that:
The utility model replaces solid filler by the hollow filling tube that adopts the polyurethane elastomer material, under the prerequisite that does not affect the cable lower temperature resistance, so that the flexibility of cable gets a promotion.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, a kind of low temperature resistant, soft fire control system signal cable special, include many conductors 1, every conductor 1 outside is enclosed with insulating barrier 2, respectively be enclosed with conductor 1 circular array of insulating barrier 2, respectively be enclosed with in the intermediate gaps of conductor 1 of insulating barrier 2 and be provided with a gasket for packing 3, respectively be enclosed with and be provided with a cross section in conductor 1 space between any two of insulating barrier 2 and be circular filling pipe 7, described filling pipe 7 adopts polyurethane elastomer material, respectively be enclosed with the conductor 1 of insulating barrier 2 and fill pipe 7 and carry out strandedly around gasket for packing 3, the cable core outside after stranded is enclosed with lapping layer 4 from inside to outside successively, screen 5, restrictive coating 6.
Insulating barrier 2 adopts FEP.
Gasket for packing 3, lapping layer 4 all adopt non-absorbent material.
Screen 5 adopts the braiding tinned wird, and count is not less than 85%.
Restrictive coating 6 adopts-40 ℃ of butyronitrile PVC compounds.
Claims (6)
- One kind low temperature resistant, soft fire control system signal cable special, it is characterized in that: include many conductors, the every conductor outside is enclosed with insulating barrier, respectively be enclosed with the conductor circular array of insulating barrier, respectively be enclosed with in the intermediate gaps of conductor of insulating barrier and be provided with a gasket for packing, respectively be enclosed with and be provided with a cross section in the conductor space between any two of insulating barrier and be circular filling pipe, described filling pipe adopts polyurethane elastomer material, respectively be enclosed with the conductor of insulating barrier and fill circumference of cannon bone and carry out strandedly around gasket for packing, the cable core outside after stranded is enclosed with lapping layer from inside to outside successively, screen, restrictive coating.
- 2. low temperature resistant, soft fire control system signal cable special according to claim 1 is characterized in that: described conductor employing tin annealed copper wire.
- 3. low temperature resistant, soft fire control system signal cable special according to claim 1 is characterized in that: described insulating barrier employing FEP.
- 4. low temperature resistant, soft fire control system signal cable special according to claim 1, it is characterized in that: described gasket for packing, lapping layer all adopt non-absorbent material.
- 5. low temperature resistant, soft fire control system signal cable special according to claim 1 is characterized in that: described screen adopts the braiding tinned wird, and count is not less than 85%.
- 6. low temperature resistant, soft fire control system signal cable special according to claim 1 is characterized in that :-40 ℃ of butyronitrile PVC compounds of described restrictive coating employing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220538538 CN202887807U (en) | 2012-10-19 | 2012-10-19 | Special signal cable for low-temperature-resisting and flexible fire control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220538538 CN202887807U (en) | 2012-10-19 | 2012-10-19 | Special signal cable for low-temperature-resisting and flexible fire control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202887807U true CN202887807U (en) | 2013-04-17 |
Family
ID=48079206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220538538 Expired - Fee Related CN202887807U (en) | 2012-10-19 | 2012-10-19 | Special signal cable for low-temperature-resisting and flexible fire control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202887807U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103903793A (en) * | 2014-03-06 | 2014-07-02 | 安徽万泰电缆有限公司 | Elastic and extrusion-resistant power cable |
-
2012
- 2012-10-19 CN CN 201220538538 patent/CN202887807U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103903793A (en) * | 2014-03-06 | 2014-07-02 | 安徽万泰电缆有限公司 | Elastic and extrusion-resistant power cable |
| CN103903793B (en) * | 2014-03-06 | 2016-08-24 | 安徽万泰电缆有限公司 | A kind of elastic reactance extruding power cable |
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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: 20130417 Termination date: 20151019 |
|
| EXPY | Termination of patent right or utility model |