CN204807777U - Indoor optical cable - Google Patents
Indoor optical cable Download PDFInfo
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- CN204807777U CN204807777U CN201520460484.8U CN201520460484U CN204807777U CN 204807777 U CN204807777 U CN 204807777U CN 201520460484 U CN201520460484 U CN 201520460484U CN 204807777 U CN204807777 U CN 204807777U
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Abstract
The utility model discloses an indoor optical cable, establish including central reinforcement, light unit and cover the skeleton in the center reinforcement outside, the outside of skeleton is provided with longitudinal arrangement's recess, the setting of light unit is in in the recess, the light unit includes that optic fibre, cover are in the aramid fiber reinforcement and the cover in the optic fibre outside are established the stainless steel spiral armor in the aramid fiber reinforcement outside. The skeleton has very good anti side pressure ability, and bending property is good for stainless steel spiral armor, and the aramid fiber reinforcement can improve this indoor optical cable's tensile ability simultaneously. Again because the nonrust steel sheet of stainless steel spiral armor is very thin, cause the whole indoor optical cable can weight reduction, so this indoor optical cable can solve the poor and big scheduling problem of weight of indoor optical cable bending property effectively.
Description
Technical field
The utility model relates to cable technical field, more particularly, relates to a kind of inside cable.
Background technology
Optical fiber communication is employed more and more extensive, relates to multiple fields such as electric power, water power, mineral products and boats and ships.Along with the scene of application is more and more extensive, the environment for use of optical cable is more and more extensive, and the environment of application is no longer confined to make somebody a mere figurehead, pipeline and direct-burried, can also be applied under water with the environment such as corridor.So increasing outdoor optical cable is applied directly in indoor.
The kind of outdoor optical cable of the prior art is a lot, but outdoor optical cable is because the needs installed, so need optical cable to have very strong lateral pressure resistant and resistance to tension, and because outdoor is for the bending property of optical cable and the less demanding of weight, prior art usually adopts many iron wires closely to form armouring in the vertical outside wrapping in optical fiber.But need repeatedly to bend when laying due to inside cable, and bending radius is general very little, so outdoor optical cable better cannot be applied to indoor.And due to indoor laying optical cable be all generally that manpower is laid, so the optical cable of lighter in weight can reduce laying difficulty greatly.
In sum, the problem such as how effectively solve inside cable bending property difference and weight is large is current those skilled in the art's urgent problem.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of inside cable, and this inside cable can solve the problem such as inside cable bending property difference and weight height effectively.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of inside cable, the skeleton comprising central reinforce member, light unit and be set in outside described central reinforce member, the arranged outside of described skeleton has the groove longitudinally arranged, described smooth unit is arranged in described groove, and described smooth unit comprises optical fiber, is enclosed within the aramid fiber reinforcement of described outer fiber and is set in the stainless steel spiral armouring outside described aramid fiber reinforcement.
Preferably, also tight sleeve layer is provided with between described optical fiber and described aramid fiber reinforcement.
Preferably, the nylon sheath wire be arranged on outside described stainless steel spiral armouring is also comprised.
Preferably, the band be set in outside described skeleton is also comprised.
Preferably, the pe sheath be arranged on outside described band is also comprised.
Preferably, the bottom land of described groove is broadening gradually to the groove width of notch.
Preferably, the xsect of described groove is trapezoidal.
A kind of inside cable that the utility model provides, the skeleton that this optical cable comprises central reinforce member, light unit and is set in outside central reinforce member.The arranged outside of skeleton has the groove longitudinally arranged, is placed with light unit in groove.Light unit comprises optical fiber, aramid fiber reinforcement and stainless steel spiral armouring, and wherein aramid fiber reinforcement is set in the outside of optical fiber, and stainless steel spiral armouring is set in the outside of aramid fiber reinforcement.It should be noted that, stainless steel spiral armouring is generally bend to screw type by a stainless steel band with certain gap herein.Aramid fiber reinforcement has been arranged between optical fiber and stainless steel spiral armouring, and aramid fiber reinforcement is generally indulge by an aramid fiber cotton yarn tape outside that wraps in optical fiber and formed.
Can know according to above-mentioned technical scheme, skeleton has extraordinary lateral pressure resistant ability, effectively can improve the lateral pressure resistant ability of inside cable.Stainless steel spiral armouring is because the relation of the structure of self, and under predetermined bending radius, stainless steel spiral armouring can stop inside cable to bend, and more than predefined curved radius, bending property is fine.Simultaneously because the tensile property of skeleton and stainless steel spiral armouring is bad, and aramid fiber reinforcement can improve the resistance to tension of this inside cable.So this inside cable has very high lateral pressure resistant and resistance to tension, and good bending property not easily bends, again because the thickness of the stainless steel substrates of stainless steel spiral armouring is significantly less than the thickness of iron wire, so weight ratio is lighter.In sum, this inside cable can solve inside cable bending property difference and the problem such as weight is large effectively.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the xsect of the inside cable that Fig. 1 provides for the utility model embodiment;
The structural representation of the light unit that Fig. 2 provides for the utility model embodiment;
The structural representation of the xsect of the light unit that Fig. 3 provides for the utility model embodiment.
Embodiment
The utility model embodiment discloses a kind of inside cable, effectively to solve the problem such as inside cable bending property difference and weight height.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-Fig. 3, the structural representation of the xsect of the inside cable that Fig. 1 provides for the utility model embodiment; The structural representation of the light unit that Fig. 2 provides for the utility model embodiment; The structural representation of the xsect of the light unit that Fig. 3 provides for the utility model embodiment.
In a kind of specific embodiment, present embodiments provide a kind of inside cable, the skeleton 4 that this optical cable comprises central reinforce member 2, light unit 3 and is set in outside central reinforce member 2, skeleton 4 is generally nonmetal skeleton, and is preferably polyethylene backbone.The arranged outside of skeleton 4 has the groove 41 longitudinally arranged, namely groove 41 extends along the bearing of trend of optical cable, light unit 3 is placed with in groove 41, it should be noted that a general optical cable can be provided with multiple smooth unit 3 herein, then best corresponding number groove 41 is set in skeleton 4, generally just arrange a light unit 3 in groove 41, in time having multiple groove 41, multiple groove 41 should be circular and be arranged on the outside of skeleton 4 uniformly.Because the xsect of light unit 3 is generally cylindrical, so in order to take out and put into light unit 3 easily, and make the distance between groove 41 and the light unit 3 putting into groove 41 not too large, preferably make the bottom land of groove 41 increase gradually to the groove width of notch.Xsect due to light unit 3 is circular, so generally only need the middle part clamping light unit 3 just light unit 3 can be taken out or put into cylindrical conductor groove.Simultaneously because the xsect of skeleton 4 is generally annular, described skeleton 4 circumference is from outside to inside in gradual shrinkage, and the notch of groove 41 to bottom land is also gradual shrinkage, the position between multiple groove 41 can be made so compacter, to avoid this inside cable diameter excessive, and the xsect of groove 41 is preferably made to be trapezoidal.
Light unit 3 comprises optical fiber 31, aramid fiber reinforcement 32 and stainless steel spiral armouring 33, wherein the outside of the sheathed optical fiber 31 of aramid fiber reinforcement 32, and stainless steel spiral armouring 33 is set in the outside of aramid fiber reinforcement 32.It should be noted that, stainless steel spiral armouring 33 is generally bend to screw type by a stainless steel band with certain gap herein.Aramid fiber reinforcement 32 has been arranged between optical fiber 31 and stainless steel spiral armouring 33, and aramid fiber reinforcement 32 is generally indulge by an aramid fiber cotton yarn tape outside that wraps in optical fiber 31 and formed, to form a thimble tube protection at optical fiber 31.
Wherein skeleton 4 has extraordinary lateral pressure resistant ability, effectively can improve the lateral pressure resistant ability of inside cable, and no longer need thicker wire armoring, and the lateral pressure resistant performance of skeleton 4 is much better than wire armoring.Simultaneously due to the easy bending of skeleton 4, and optical fiber 31 can not be bent, and again because inside cable is mainly arranged on indoor, so need inside cable more than certain bending radius, good bending property.Stainless steel spiral armouring 33 is because the relation of the structure of self, and under predetermined bending radius, stainless steel spiral armouring 33 can stop inside cable to bend, and more than predefined curved radius, good bending property.It should be noted that herein, the predefined curved radius of stainless steel spiral armouring 33 enclose with upper one of the stainless steel substrates of stainless steel spiral armouring 33 and next enclose between gap relevant.Simultaneously because the tensile property of skeleton 4 and stainless steel spiral armouring 33 is bad, and aramid fiber reinforcement 32 can improve the resistance to tension of this inside cable.So the inside cable that the present embodiment provides has very high lateral pressure resistant and resistance to tension, and good bending property, not easily to bend, again because the thickness of the stainless steel substrates of stainless steel spiral armouring 33 is greater than the thickness of the first iron wire, so weight ratio is lighter.Also it should be noted that, because stainless steel substrates is the outside of the optical fiber 31 being directly wound around light unit 3, compare the outside being wrapped in skeleton 4, bending radius is less, and what stainless steel substrates can be done is thinner herein.
In order to better protect optical fiber 31; preferably tight sleeve layer 34 is set between optical fiber 31 and aramid fiber reinforcement 32; tight sleeve layer 34 tightly packaged fiber; and make optical fiber 31 have certain bending resistance, resistance to compression and resistance to tension; it should be noted that, the bending resistance of this tight sleeve layer 34 is below the minimum bending radius of stainless steel spiral armouring, and is for the protection of optical fiber 31 herein; cause bending to prevent optical fiber 31 transition bending, and not can affect the bending radius of inside cable needs.Tight sleeve layer 34 is generally tygon tight sleeve layer.Because stainless steel spiral armouring 33 is made up of stainless steel substrates, so the outside of stainless steel spiral armouring 33 is easy to scratch skeleton 4, simultaneously stainless steel spiral armouring 33 cannot dustproof and waterproof, so preferably have nylon sheath wire 35 in the arranged outside of stainless steel spiral armouring 33.In order to prevent the arbitrarily mobile or rotation of the light unit 3 in skeleton 4, the preferably sheathed band 5 in the outside of skeleton 4, simultaneously in order to anti-sealing and dirt etc. enter in the groove 41 of skeleton 4, is preferably arranged with pe sheath 1 in the outside of skeleton 4.Because readjusting of each structure above-mentioned, make inside cable also greatly can reduce diameter, such as, the external diameter of optical fiber 31, tight sleeve layer 34, aramid yarn 32, stainless steel spiral armouring 33 and nylon sheath wire 35 can be followed successively by 0.25 millimeter, 0.5 millimeter, 0.7 millimeter, 1 millimeter and 1.2 millimeters, and the external diameter of skeleton 4 and pe sheath 17 millimeters and 9 millimeters successively.So the diameter of whole inside cable is only 9 millimeters, the radius 16 millimeters of meetings comparing present outdoor optical cable are much little.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. an inside cable, it is characterized in that, comprise central reinforce member (2), light unit (3) and be set in the skeleton (4) outside described central reinforce member (2), the arranged outside of described skeleton (4) has the groove (41) longitudinally arranged, described smooth unit (3) is arranged in described groove (41), and described smooth unit (3) comprises optical fiber (31), is enclosed within the aramid fiber reinforcement (32) in described optical fiber (31) outside and is set in the stainless steel spiral armouring (33) in described aramid fiber reinforcement (32) outside.
2. inside cable according to claim 1, is characterized in that, is also provided with tight sleeve layer (34) between described optical fiber (31) and described aramid fiber reinforcement (32).
3. inside cable according to claim 2, is characterized in that, also comprises the nylon sheath wire (35) being arranged on described stainless steel spiral armouring (33) outside.
4. inside cable according to claim 3, is characterized in that, also comprises the band (5) being set in described skeleton (4) outside.
5. inside cable according to claim 4, is characterized in that, also comprises the pe sheath (1) being arranged on described band (5) outside.
6. the inside cable according to any one of claim 1-5, is characterized in that, the bottom land of described groove (41) is broadening gradually to the groove width of notch.
7. inside cable according to claim 6, is characterized in that, the xsect of described groove (41) is trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520460484.8U CN204807777U (en) | 2015-06-30 | 2015-06-30 | Indoor optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520460484.8U CN204807777U (en) | 2015-06-30 | 2015-06-30 | Indoor optical cable |
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| CN204807777U true CN204807777U (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520460484.8U Active CN204807777U (en) | 2015-06-30 | 2015-06-30 | Indoor optical cable |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107367810A (en) * | 2017-08-29 | 2017-11-21 | 广东亨通光电科技有限公司 | Flexible back bone formula MPO photoelectricity mixed packages optical cables and its production method |
| CN108205179A (en) * | 2018-03-06 | 2018-06-26 | 中天科技海缆有限公司 | Submarine optical fiber cable |
| CN114035291A (en) * | 2021-11-25 | 2022-02-11 | 长飞光纤光缆股份有限公司 | Optical fiber sleeve unit and impact-resistant optical cable |
| WO2023221026A1 (en) * | 2022-05-19 | 2023-11-23 | 南京华信藤仓光通信有限公司 | Super-soft low-cost corrugated skeleton groove type optical cable and production method therefor |
-
2015
- 2015-06-30 CN CN201520460484.8U patent/CN204807777U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107367810A (en) * | 2017-08-29 | 2017-11-21 | 广东亨通光电科技有限公司 | Flexible back bone formula MPO photoelectricity mixed packages optical cables and its production method |
| CN108205179A (en) * | 2018-03-06 | 2018-06-26 | 中天科技海缆有限公司 | Submarine optical fiber cable |
| WO2019169859A1 (en) * | 2018-03-06 | 2019-09-12 | 中天科技海缆有限公司 | Submarine optical cable |
| CN114035291A (en) * | 2021-11-25 | 2022-02-11 | 长飞光纤光缆股份有限公司 | Optical fiber sleeve unit and impact-resistant optical cable |
| CN114035291B (en) * | 2021-11-25 | 2023-11-24 | 长飞光纤光缆股份有限公司 | Optical fiber sleeve unit and impact-resistant optical cable |
| WO2023221026A1 (en) * | 2022-05-19 | 2023-11-23 | 南京华信藤仓光通信有限公司 | Super-soft low-cost corrugated skeleton groove type optical cable and production method therefor |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 300450 Tianjin Binhai high tech Industrial Development Zone Huayuan Technology Park (outside the ring) Hai Qin development No. 9 Patentee after: Fortis special optical fiber cable (Tianjin) Co., Ltd. Address before: 300384 Tianjin Binhai New Area high tech Industrial Development Zone Huayuan Technology Park (outside the ring) Hai Tai development No. 9 Patentee before: FUTONG ZHUDIAN SPECIAL CABLE (TIANJIN) CO., LTD. |