CN205016272U - Flexible optical cable of cold -resistant type of low smoke and zero halogen environmental protection - Google Patents
Flexible optical cable of cold -resistant type of low smoke and zero halogen environmental protection Download PDFInfo
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- CN205016272U CN205016272U CN201520564297.4U CN201520564297U CN205016272U CN 205016272 U CN205016272 U CN 205016272U CN 201520564297 U CN201520564297 U CN 201520564297U CN 205016272 U CN205016272 U CN 205016272U
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Abstract
The utility model relates to the technical field of cables, concretely relates to cable. Flexible optical cable of cold -resistant type of low smoke and zero halogen environmental protection, including an oversheath, a cable core is buried underground in the oversheath, strengthens the core for at least two and buries in the oversheath, strengthens the core and is located the cable core both sides, and its characterized in that, cable core include an inner sheath, and at least six roots of sensation optic fibre, optic fibre are annular equidistance to be arranged, and optic fibre is located the inside of inner sheath, be equipped with five at least portions of bending in advance on the outer wall of oversheath, the portion of bending in advance along equidistant the arranging of the central axis direction of oversheath. The utility model discloses an optimize the sheath structure of traditional cable, when guaranteeing flexible demand, practiced thrift manufacturing cost. And silicon rubber resistance to low temperature is good, and is resistant crooked, is fit for low temperature environment and needs remove the occasion of using.
Description
Technical field
The utility model relates to field of cable technology, is specifically related to a kind of cable.
Background technology
Common Tong Xin central office cable is generally only applicable in the short circuit of transmission range, and the transmission of long distance generally can adopt fiber optic cables, and the decay of network signal is little, transmission capacity large, and jamproof ability is strong.But flexibility and the bendability of existing transmission cable are poor, are not suitable for the use of mobile occasion.As used in the trailing cable in elevator hoistways, reason such as meeting Yin Lali, lateral pressure etc., causes optical cable transmission to be decayed and increases and disconnected core phenomenon, so ordinary optic fibre cable is not suitable for frequent mobile place within very short time.
Utility model content
The utility model object is to be to provide a kind of low smoke and zero halogen environment-friendly cold type flexible optical cable.
To achieve these goals, the technical solution of the utility model is as follows:
Low smoke and zero halogen environment-friendly cold type flexible optical cable, comprise an oversheath, one cable core is embedded in described oversheath, at least two strengthening cores are embedded in described oversheath, and described strengthening core is positioned at described cable core both sides, it is characterized in that, described cable core comprises an inner sheath, at least six roots of sensation optical fiber, described optical fiber equidistant arrangement ringwise, described optical fiber is positioned at the inside of described inner sheath;
The outer wall of described oversheath is provided with at least five and pre-folds turn of bilge, described in pre-fold turn of bilge and equidistantly arrange along the central axial direction of described oversheath.
The utility model, by optimizing the jacket structure of traditional cable, while guarantee flexible demand, has saved production cost.And silicon rubber resistance to low temperature is good, resist bending, is applicable to low temperature environment and the mobile occasion used of needs.Leave gap between described optical fiber, described gap-fill has spinning synthetic fibre.
Described strengthening core forms by the stone dead wire being no less than three is stranded.Described strengthening core plays the protective effect such as load-bearing, stretch-proof, can strengthen firmness of the present utility model and fail safe.
The cross section of described sheath is rectangular-shaped, and the outer wall of described sheath comprises two planes be parallel to each other, and the two ends, left and right of two described planes are fixedly connected with respectively by a curved surface.
The surface of described oversheath is thicker to the thickness on cable core surface, and cable core can well be protected not to be mechanically damaged, not easy fracture during use, and bending, movement, by more convenient, also has good elasticity and flexibility.
Described oversheath is the sheath adopting silicon rubber to make; Described inner sheath is the sheath adopting silicon rubber to make.Described silicon rubber has the characteristics such as low temperature resistant, wear-resisting, UV resistant, and has fine insulating protection effect.
Described inner sheath skin is coated with the mesh grid of one deck tin-coated copper; Described tin-coated copper mesh grid is the copper mesh grid of electroplating surfaces with tin.Described tin-coated copper mesh grid can shield electromagnetic signals, and copper mesh grid, because of made of soft, can also strengthen cable strength and flexibility.
Litzendraht wire in described tin-coated copper mesh grid comprises at least two cotton spinning yarns.Cotton spinning yarn can play the effect of warming to the optical fiber in sheath.
The thickness of described tin-coated copper mesh grid is at 0.5mm ~ 1mm.The thickness of setting can be cost-saving.
In the inner surface of described inner sheath or outer surface, any surface is coated with waterproof coating.Described waterproof coating can prevent described optical fiber from making moist.
The thickness of described waterproof coating is at 0.1mm ~ 0.5mm.Described thickness can save cost when realizing moisture-proof function.
The outer wall girth pre-folding the cross section of turn of bilge described in described oversheath is provided be less than described oversheath be not provided with described in pre-fold the outer wall girth of the cross section of turn of bilge, and described sheath be provided with described in pre-fold the outer wall girth of the cross section of turn of bilge and described sheath be not provided with described in pre-fold the outer wall girth of the cross section of turn of bilge difference be not more than 10mm, and be not less than 1mm.
Turn of bilge is pre-folded by being provided with on the smooth sheath outer wall of tradition, by reducing the girth pre-folding turn of bilge, thus be convenient to the bending of cable main, realize the effect pre-bended, compare the material of tradition improvement cable main, while having saved production cost, flexible demand can be realized again, be convenient to often move around.
The spacing pre-folding turn of bilge described in adjacent is not more than 100cm, and is not less than 10cm.Be convenient to ensure bending effect.The described longitudinal section pre-folding turn of bilge is V-shaped.
The circular in cross-section of described sheath, described in pre-fold turn of bilge be an annular recess, the cross section of described annular recess is an annulus, and the longitudinal section of described annular recess is made up of the circular arc that two opening directions are contrary.
The present invention pre-folds the structure of turn of bilge by optimizing, and is made up of, plays the effect of sheath crack resistence the longitudinal section of annular recess the circular arc that two opening directions are contrary.Prevent V-type opening from designing, when bending, the sheath cracking easily caused.
The described turn of bilge that pre-folds is a strip groove, and the longitudinal section of described strip groove is a circular arc;
The described portion of pre-bending is positioned in described plane, and the length direction of described strip groove is perpendicular to the central axis of described sheath.
Be convenient to realize the bending of rectangular-shaped sheath.
Two ends conducting on the length direction of described strip groove, the opening direction of described strip groove outwardly.Two described planes are equipped with and pre-fold turn of bilge, and be positioned in two planes to pre-fold turn of bilge symmetrical about a symmetrical face, the central axis of cable main is positioned on the described plane of symmetry.
Beneficial effect: owing to have employed technique scheme, the utility model has excellent cold tolerance, also has the good advantage such as flexibility, sound construction simultaneously, can be adapted to mobile status and use.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
See Fig. 1, low smoke and zero halogen environment-friendly cold type flexible optical cable, comprising oversheath 5, cable core is embedded in oversheath 5, and at least two strengthening cores 1 are embedded in oversheath 5, strengthening core 1 is positioned at cable core both sides, it is characterized in that, cable core comprises an inner sheath 2, at least six roots of sensation optical fiber 3, optical fiber 3 equidistant arrangement ringwise, optical fiber 3 is positioned at the inside of inner sheath 2; The outer wall of oversheath 5 is provided with at least five and pre-folds turn of bilge, pre-folds turn of bilge and equidistantly arranges along the central axial direction of oversheath 5.The utility model, by optimizing the jacket structure of traditional cable, while guarantee flexible demand, has saved production cost.And silicon rubber resistance to low temperature is good, resist bending, is applicable to low temperature environment and the mobile occasion used of needs.Leave gap between optical fiber 3, gap-fill has spinning synthetic fibre 4.Strengthening core 1 forms by the stone dead wire being no less than three is stranded.Strengthening core 1 protective effect such as load-bearing, stretch-proof, can strengthen firmness of the present utility model and fail safe.
The cross section of sheath is rectangular-shaped, and the outer wall of sheath comprises two planes be parallel to each other, and the two ends, left and right of two planes are fixedly connected with respectively by a curved surface.The surface of oversheath 5 is thicker to the thickness on cable core surface, and cable core can well be protected not to be mechanically damaged, not easy fracture during use, and bending, movement, by more convenient, also has good elasticity and flexibility.Oversheath 5 is the sheaths adopting silicon rubber to make; Inner sheath 2 is the sheaths adopting silicon rubber to make.Silicon rubber has the characteristics such as low temperature resistant, wear-resisting, UV resistant, and has fine insulating protection effect.Inner sheath 2 skin is coated with the mesh grid of one deck tin-coated copper; Tin-coated copper mesh grid is the copper mesh grid of electroplating surfaces with tin.Tin-coated copper mesh grid can shield electromagnetic signals, and copper mesh grid, because of made of soft, can also strengthen cable strength and flexibility.Litzendraht wire in tin-coated copper mesh grid comprises at least two cotton spinning yarns.Cotton spinning yarn can play the effect of warming to the optical fiber 3 in sheath.The thickness of tin-coated copper mesh grid is at 0.5mm ~ 1mm.The thickness of setting can be cost-saving.In the inner surface of inner sheath 2 or outer surface, any surface is coated with waterproof coating.Waterproof coating can prevent optical fiber 3 from making moist.The thickness of waterproof coating is at 0.1mm ~ 0.5mm.Thickness can save cost when realizing moisture-proof function.
The outer wall girth that oversheath 5 is provided with the cross section pre-folding turn of bilge is less than the outer wall girth that oversheath 5 is not provided with the cross section pre-folding turn of bilge, and sheath is provided with the difference that the outer wall girth of the cross section pre-folding turn of bilge and sheath be not provided with the outer wall girth of the cross section pre-folding turn of bilge is not more than 10mm, and be not less than 1mm.Turn of bilge is pre-folded by being provided with on the smooth sheath outer wall of tradition, by reducing the girth pre-folding turn of bilge, thus be convenient to the bending of cable main, realize the effect pre-bended, compare the material of tradition improvement cable main, while having saved production cost, flexible demand can be realized again, be convenient to often move around.The adjacent spacing pre-folding turn of bilge is not more than 100cm, and is not less than 10cm.Be convenient to ensure bending effect.The longitudinal section pre-folding turn of bilge is V-shaped.The circular in cross-section of sheath, pre-folding turn of bilge is an annular recess, and the cross section of annular recess is an annulus, and the longitudinal section of annular recess is made up of the circular arc that two opening directions are contrary.The present invention pre-folds the structure of turn of bilge by optimizing, and is made up of, plays the effect of sheath crack resistence the longitudinal section of annular recess the circular arc that two opening directions are contrary.Prevent V-type opening from designing, when bending, the sheath cracking easily caused.Pre-folding turn of bilge is a strip groove, and the longitudinal section of strip groove is a circular arc; The portion of pre-bending is positioned in plane, and the length direction of strip groove is perpendicular to the central axis of sheath.Be convenient to realize the bending of rectangular-shaped sheath.Two ends conducting on the length direction of strip groove, the opening direction of strip groove outwardly.Two planes are equipped with and pre-fold turn of bilge, and be positioned in two planes to pre-fold turn of bilge symmetrical about a symmetrical face, the central axis of cable main is positioned on the plane of symmetry.At least three temperature sensors are embedded with in sheath, the monitoring surface of temperature sensor is towards the outer wall of sheath, temperature sensor is a radio temperature sensor, and temperature sensor is connected with microprocessor system wireless telecommunications, and microprocessor system connects a warning device; At least three temperature sensors are equidistantly arranged along sheath central axial direction, and the arranging distance of adjacent temperature sensor is not less than 2 meters.The utility model by being embedded with temperature sensor in sheath, be convenient to the temperature of real-time monitoring temperature transducer present position, when the temperature anomaly monitored, be convenient to according to variations in temperature, judge whether fire, carried out early warning by warning device, thus improve the promptness of the artificial fire alarm of tradition, be convenient to change impaired cable main in time, ensure that it normally works.Be provided with a wireless communication module in temperature sensor, microprocessor system connects the wireless receiving module matched with wireless communication module; The transmission medium of wireless communication module is ultrasonic wave.Prevent the disturbed property of temperature sensor when carrying out signal transmission.Be embedded with an electronic tag in sheath, electronic tag is along the axially equidistantly evenly arrangement of sheath, and the arranging distance of electronic tag is 5m ~ 15m, and electronic tag is provided with signal transmitting antenna, is arranged with protective, using sheath as protective outside signal transmitting antenna.The utility model by being embedded with electronic tag in sheath; thus the collection contributed to sheath information; in addition; the utility model is chosen for sheath by the protective of the signal transmitting antenna by electronic tag; situation is launched by the signal of signal transmitting antenna; thus judge whether sheath has fracture, or fire damage.
Beneficial effect: owing to have employed technique scheme, the utility model has excellent cold tolerance, also has the good advantage such as flexibility, sound construction simultaneously, can be adapted to mobile status and use.
More than show and describe general 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; what describe in above-described embodiment and specification 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 (9)
1. low smoke and zero halogen environment-friendly cold type flexible optical cable, comprise an oversheath, one cable core is embedded in described oversheath, at least two strengthening cores are embedded in described oversheath, and described strengthening core is positioned at described cable core both sides, it is characterized in that, described cable core comprises an inner sheath, at least six roots of sensation optical fiber, described optical fiber equidistant arrangement ringwise, described optical fiber is positioned at the inside of described inner sheath;
The outer wall of described oversheath is provided with at least five and pre-folds turn of bilge, described in pre-fold turn of bilge and equidistantly arrange along the central axial direction of described oversheath.
2. low smoke and zero halogen environment-friendly cold type flexible optical cable according to claim 1, is characterized in that: described strengthening core forms by the stone dead wire being no less than three is stranded.
3. low smoke and zero halogen environment-friendly cold type flexible optical cable according to claim 1, it is characterized in that: the cross section of described sheath is rectangular-shaped, the outer wall of described sheath comprises two planes be parallel to each other, and the two ends, left and right of two described planes are fixedly connected with respectively by a curved surface.
4. low smoke and zero halogen environment-friendly cold type flexible optical cable according to claim 1, is characterized in that: described oversheath is the sheath adopting silicon rubber to make; Described inner sheath is the sheath adopting silicon rubber to make.
5. low smoke and zero halogen environment-friendly cold type flexible optical cable according to claim 1, is characterized in that: described inner sheath skin is coated with the mesh grid of one deck tin-coated copper; Described tin-coated copper mesh grid is the copper mesh grid of electroplating surfaces with tin.
6. low smoke and zero halogen environment-friendly cold type flexible optical cable according to claim 5, is characterized in that: the thickness of described tin-coated copper mesh grid is at 0.5mm ~ 1mm.
7. low smoke and zero halogen environment-friendly cold type flexible optical cable according to claim 1, is characterized in that: in the inner surface of described inner sheath or outer surface, any surface is coated with waterproof coating.
8. low smoke and zero halogen environment-friendly cold type flexible optical cable according to claim 7, is characterized in that: the thickness of described waterproof coating is at 0.1mm ~ 0.5mm.
9. low smoke and zero halogen environment-friendly cold type flexible optical cable according to claim 1, it is characterized in that: the outer wall girth pre-folding the cross section of turn of bilge described in described oversheath is provided be less than described oversheath be not provided with described in pre-fold the outer wall girth of the cross section of turn of bilge, and described sheath be provided with described in pre-fold the outer wall girth of the cross section of turn of bilge and described sheath be not provided with described in pre-fold the outer wall girth of the cross section of turn of bilge difference be not more than 10mm, and be not less than 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520564297.4U CN205016272U (en) | 2015-07-30 | 2015-07-30 | Flexible optical cable of cold -resistant type of low smoke and zero halogen environmental protection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520564297.4U CN205016272U (en) | 2015-07-30 | 2015-07-30 | Flexible optical cable of cold -resistant type of low smoke and zero halogen environmental protection |
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| CN205016272U true CN205016272U (en) | 2016-02-03 |
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| CN201520564297.4U Active CN205016272U (en) | 2015-07-30 | 2015-07-30 | Flexible optical cable of cold -resistant type of low smoke and zero halogen environmental protection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307914A (en) * | 2019-07-17 | 2019-10-08 | 华中科技大学 | A kind of fibre optic temperature sensor and preparation method thereof |
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2015
- 2015-07-30 CN CN201520564297.4U patent/CN205016272U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307914A (en) * | 2019-07-17 | 2019-10-08 | 华中科技大学 | A kind of fibre optic temperature sensor and preparation method thereof |
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