CN212749329U - Optical fiber jumper wire for railway - Google Patents
Optical fiber jumper wire for railway Download PDFInfo
- Publication number
- CN212749329U CN212749329U CN202021440429.XU CN202021440429U CN212749329U CN 212749329 U CN212749329 U CN 212749329U CN 202021440429 U CN202021440429 U CN 202021440429U CN 212749329 U CN212749329 U CN 212749329U
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- Prior art keywords
- layer
- optical fiber
- core
- insulating
- outside
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- Expired - Fee Related
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 63
- 239000003063 flame retardant Substances 0.000 claims abstract description 24
- 239000000835 fiber Substances 0.000 claims abstract description 16
- 239000006260 foam Substances 0.000 claims abstract description 16
- -1 polyethylene Polymers 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 14
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 10
- 239000004698 Polyethylene Substances 0.000 claims description 10
- 239000004743 Polypropylene Substances 0.000 claims description 10
- 229920000573 polyethylene Polymers 0.000 claims description 10
- 229920001155 polypropylene Polymers 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims description 5
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 5
- 239000004800 polyvinyl chloride Substances 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 1
- 239000002937 thermal insulation foam Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 23
- 230000003287 optical effect Effects 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 9
- 230000009977 dual effect Effects 0.000 abstract description 3
- 230000008595 infiltration Effects 0.000 abstract description 3
- 238000001764 infiltration Methods 0.000 abstract description 3
- 238000011065 in-situ storage Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 83
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000005030 aluminium foil Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses an optic fibre wire jumper for railway, cable body are by outer to interior fire-retardant temperature-resistant layer, waterproof layer, insulating layer, signal shielding layer and the core line layer of having set gradually, and the signal shielding layer parcel is in the outside on core line layer, insulating layer parcel are in the outside on signal shielding layer, and the waterproof layer parcel is in the outside of insulating layer, and fire-retardant temperature-resistant layer parcel is in the outside of waterproof layer, and the central point on core line layer puts and is provided with enhancement core, optic fibre layer and insulating foam. The utility model discloses beneficial effect: the utility model discloses the cable body is provided with fire-retardant temperature resistant layer and waterproof layer, and fire-retardant temperature resistant layer plays fire-retardant temperature resistant effect, improves the temperature resistant effect of optical cable, and the waterproof layer plays waterproof effect, and anticorrosive effect prevents that the optical cable from laying for a long time in outdoor environment, avoids in the rainwater infiltration optical cable, and this internal and the optical fiber in situ of cable all is provided with the shielding layer, and dual shielding improves signal anti-interference effect, strengthens the flexible strength that the core improves the cable body, difficult fracture.
Description
Technical Field
The utility model belongs to the technical field of the railway transportation cable technique and specifically relates to an optic fibre wire jumper for railway.
Background
Optical fiber jumpers are used to patch wires from equipment to fiber optic cabling links. The optical fiber protective layer has a thicker protective layer, is generally used for connection between an optical transceiver and a terminal box, and is applied to the fields of optical fiber communication systems, optical fiber access networks, optical fiber data transmission, local area networks and the like.
Optical fibers are generally used for various signals controlled in railway traffic, optical fiber jumpers are also needed when optical fiber cables are used, and optical fiber wires and optical fiber jumpers for railways are generally laid outdoors and are laid in outdoor environments for a long time, so that the requirements on water resistance and temperature resistance of the optical fiber jumpers are high.
Therefore, it is necessary to provide an optical fiber patch cord for railways to solve the above problems.
SUMMERY OF THE UTILITY MODEL
To the not enough of existence among the above-mentioned prior art, the utility model aims to provide an optic fibre wire jumper for railway to solve above-mentioned problem.
The utility model provides an optic fibre wire jumper for railway, includes cable body, first wire jumper plug and second wire jumper plug, the both ends of cable body are connected respectively first wire jumper plug and second wire jumper plug, the cable body has set gradually fire-retardant temperature-resistant layer, waterproof layer, insulating layer, signal shielding layer and core wire layer from outer to inner, the signal shielding layer parcel is in the outside on core wire layer, the insulating layer parcel is in the outside on signal shielding layer, the waterproof layer parcel is in the outside of insulating layer, fire-retardant temperature-resistant layer parcel is in the outside of waterproof layer, the central point on core wire layer puts and is provided with reinforcing core, optic fibre layer and insulating foam, reinforcing core sets up insulating foam's central point puts, optic fibre layer is the setting of annular distribution in insulating foam.
Preferably, the optical fiber layer is sequentially provided with an optical fiber core, an optical fiber sleeve, a shielding layer and an insulating sleeve from inside to outside, the optical fiber sleeve is wrapped outside the optical fiber core, the shielding layer is wrapped outside the optical fiber sleeve, and the insulating sleeve is wrapped outside the shielding layer.
Preferably, the first jumper plug is provided with a first optical fiber connector corresponding to the optical fiber core, and the second jumper plug is provided with a second optical fiber connector corresponding to the optical fiber core.
Preferably, the flame-retardant temperature-resistant layer is made of ethylene propylene rubber, the waterproof layer is made of a polyethylene film, and the insulating layer is made of a polypropylene material.
The beneficial effects of the preferable technical scheme are as follows: the ethylene propylene rubber has obvious flame-retardant and temperature-resistant effects, the polyethylene film has good waterproof effect, and the polypropylene material has obvious insulating effect.
Preferably, the signal shielding layer and the shielding layer are both made of aluminum foil paper, and the reinforcing core is made of stainless steel wires.
The beneficial effects of the preferable technical scheme are as follows: the aluminium foil paper matter is light, and the signal shielding effect is showing, and nonrust steel wire improves the flexible strength of cable body, and difficult fracture, nonrust steel wire is corrosion-resistant.
Preferably, the insulating foam is made of foamed polyethylene, the optical fiber sleeve is made of polypropylene, and the insulating sleeve is made of polyvinyl chloride.
The beneficial effects of the preferable technical scheme are as follows: the foamed polyethylene material, the polypropylene material and the polyvinyl chloride material have good insulativity and soft quality.
Compared with the prior art, the utility model discloses beneficial effect: the utility model discloses the cable body is provided with fire-retardant temperature resistant layer and waterproof layer, and fire-retardant temperature resistant layer plays fire-retardant temperature resistant effect, improves the temperature resistant effect of optical cable, and the waterproof layer plays waterproof effect, and anticorrosive effect prevents that the optical cable from laying for a long time in outdoor environment, avoids in the rainwater infiltration optical cable, and this internal and the optical fiber in situ of cable all is provided with the shielding layer, and dual shielding improves signal anti-interference effect, strengthens the flexible strength that the core improves the cable body, difficult fracture.
Drawings
Fig. 1 is a structural diagram of an optical fiber jumper for a railway according to the present invention;
FIG. 2 is a structural view of the cable body of the present invention;
FIG. 3 is a core layer structure of the present invention;
FIG. 4 is a diagram of the structure of the optical fiber layer of the present invention;
fig. 5 is a first jumper plug structure view of the present invention;
fig. 6 is a second jumper plug structure view of the present invention.
Reference numbers in the figures: 1. a cable body; 2. a first jumper plug; 3. a second jumper plug; 4. a first optical fiber connector; 5. a second optical fiber connector; 101. a flame retardant temperature resistant layer; 102. a waterproof layer; 103. an insulating layer; 104. a signal shielding layer; 105. a core wire layer; 106. an insulating foam; 107. a reinforcing core; 108. an optical fiber layer; 109. an optical fiber core; 110. an optical fiber sleeve; 111. foaming the insulating layer; 112. a shielding layer; 113. and an insulating sleeve.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 and fig. 2 to 6, an optical fiber jumper for railways includes a cable body 1, a first jumper plug 2 and a second jumper plug 3, wherein two ends of the cable body 1 are respectively connected to the first jumper plug 2 and the second jumper plug 3, the cable body 1 is sequentially provided with a flame-retardant and temperature-resistant layer 101, a waterproof layer 102, an insulating layer 103, a signal shielding layer 104 and a core wire layer 105 from outside to inside, the signal shielding layer 104 is wrapped outside the core wire layer 105, the insulating layer 103 is wrapped outside the signal shielding layer 104, the waterproof layer 102 is wrapped outside the insulating layer 103, the flame-retardant and temperature-resistant layer 101 is wrapped outside the waterproof layer 102, a reinforcing core 107, an optical fiber layer 108 and an insulating foam 106 are arranged at the center of the core wire layer 105, the reinforcing core 107 is arranged at the center of the insulating foam 106, the optical fiber layers 108 are disposed in the insulating foam 106 in a ring-shaped distribution.
Further, the optical fiber layer 108 is sequentially provided with an optical fiber core 109, an optical fiber sleeve 110, a shielding layer 112 and an insulating sleeve 113 from inside to outside, the optical fiber sleeve 110 is wrapped outside the optical fiber core 109, the shielding layer 112 is wrapped outside the optical fiber sleeve 110, and the insulating sleeve 113 is wrapped outside the shielding layer 112.
Further, first jumper plug 2 is provided with first fiber connector 4 corresponding with the optical fiber core, second jumper plug 3 is provided with second fiber connector 5 corresponding with the optical fiber core.
Further, the flame-retardant temperature-resistant layer 101 is made of ethylene propylene rubber, the waterproof layer 102 is made of a polyethylene film, and the insulating layer 103 is made of a polypropylene material.
The beneficial effects of the further technical scheme are that: the ethylene propylene rubber has obvious flame-retardant and temperature-resistant effects, the polyethylene film has good waterproof effect, and the polypropylene material has obvious insulating effect.
Further, the signal shielding layer 104 and the shielding layer 112 are made of aluminum foil paper, and the reinforcing core 107 is made of stainless steel wire.
The beneficial effects of the further technical scheme are that: the aluminium foil paper matter is light, and the signal shielding effect is showing, and nonrust steel wire improves the flexible strength of cable body, and difficult fracture, nonrust steel wire is corrosion-resistant.
Further, the insulating foam 106 is made of foamed polyethylene, the optical fiber sleeve 110 is made of polypropylene, and the insulating sleeve 113 is made of polyvinyl chloride.
The beneficial effects of the further technical scheme are that: the foamed polyethylene material, the polypropylene material and the polyvinyl chloride material have good insulativity and soft quality.
A foamed insulating layer 111 is disposed between the optical fiber jacket 110 and the shielding layer 112.
Compared with the prior art, the utility model discloses beneficial effect: the utility model discloses cable body 1 is provided with fire-retardant temperature resistant layer 101 and waterproof layer 102, fire-retardant temperature resistant layer 101 plays fire-retardant temperature resistant effect, the temperature resistant effect of improvement optical cable, waterproof layer 102 plays waterproof effect, anticorrosive effect prevents that the optical cable from laying in outdoor environment for a long time, avoid in the rainwater infiltration optical cable, all be provided with the shielding layer in cable body 1 and the optical fiber layer 108, dual shielding improves the signal interference prevention effect, the enhancement core improves the flexible strength of cable body, difficult fracture.
The working principle is as follows: signal shielding layer 104 parcel is in the outside of core line layer 105, and insulating layer 103 parcel is in the outside of signal shielding layer 104, and waterproof layer 102 parcel is in the outside of insulating layer 103, and fire-retardant temperature resistant layer 101 parcel is in the outside of waterproof layer 102, and the central point of core line layer 105 puts and is provided with reinforced core 107, optical fiber layer 108 and insulating foam 106, and reinforced core 107 sets up the central point at insulating foam 106, and optical fiber layer 108 is the setting of annular distribution in insulating foam 106.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (6)
1. An optical fiber jumper for a railway, characterized by: the cable comprises a cable body (1), a first jumper plug (2) and a second jumper plug (3), wherein two ends of the cable body (1) are respectively connected with the first jumper plug (2) and the second jumper plug (3), the cable body (1) is sequentially provided with a flame-retardant temperature-resistant layer (101), a waterproof layer (102), an insulating layer (103), a signal shielding layer (104) and a core wire layer (105) from outside to inside, the signal shielding layer (104) is wrapped outside the core wire layer (105), the insulating layer (103) is wrapped outside the signal shielding layer (104), the waterproof layer (102) is wrapped outside the insulating layer (103), the flame-retardant temperature-resistant layer (101) is wrapped outside the waterproof layer (102), a reinforcing core (107), an optical fiber layer (108) and insulating foam (106) are arranged at the center of the core wire layer (105), the reinforced core (107) is arranged at the central position of the insulating foam (106), and the optical fiber layers (108) are annularly distributed in the insulating foam (106).
2. The optical fiber jumper for railways of claim 1, wherein: optical fiber layer (108) from interior to exterior has set gradually optical fiber core (109), optic fibre cover (110), shielding layer (112) and insulating cover (113), optic fibre cover (110) parcel is in the outside of optic fibre core (109), shielding layer (112) parcel is in the outside of optic fibre cover (110), insulating cover (113) parcel is in the outside of shielding layer (112).
3. The optical fiber jumper for railways of claim 2, wherein: first jumper plug (2) are provided with first fiber connector (4) that correspond with the optical fiber core, second jumper plug (3) are provided with second fiber connector (5) that correspond with the optical fiber core.
4. The optical fiber jumper for railways of claim 3, wherein: the flame-retardant temperature-resistant layer (101) is made of ethylene propylene rubber, the waterproof layer (102) is made of a polyethylene film, and the insulating layer (103) is made of a polypropylene material.
5. The optical fiber jumper for railways of claim 4, wherein: the signal shielding layer (104) and the shielding layer (112) are both made of aluminum foil paper, and the reinforcing core (107) is made of stainless steel wires.
6. The optical fiber jumper for railways of claim 5, wherein: the insulation foam (106) is made of foamed polyethylene materials, the optical fiber sleeve (110) is made of polypropylene materials, and the insulation sleeve (113) is made of polyvinyl chloride materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021440429.XU CN212749329U (en) | 2020-07-20 | 2020-07-20 | Optical fiber jumper wire for railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021440429.XU CN212749329U (en) | 2020-07-20 | 2020-07-20 | Optical fiber jumper wire for railway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212749329U true CN212749329U (en) | 2021-03-19 |
Family
ID=75037135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021440429.XU Expired - Fee Related CN212749329U (en) | 2020-07-20 | 2020-07-20 | Optical fiber jumper wire for railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212749329U (en) |
-
2020
- 2020-07-20 CN CN202021440429.XU patent/CN212749329U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210319 |