CN207263985U - A kind of multicore photoelectric composite optical cable - Google Patents
A kind of multicore photoelectric composite optical cable Download PDFInfo
- Publication number
- CN207263985U CN207263985U CN201721062514.5U CN201721062514U CN207263985U CN 207263985 U CN207263985 U CN 207263985U CN 201721062514 U CN201721062514 U CN 201721062514U CN 207263985 U CN207263985 U CN 207263985U
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- cable
- optical fiber
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- supporting arm
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Abstract
Fiber optic cable communications technical field is the utility model is related to, especially a kind of multicore photoelectric composite optical cable.It include cable cover in vitro, three be placed in cable in vitro set in optical fiber bodies and electric wire body；Optical fiber accommodating cavity is each formed between the inner peripheral surface that cable covers in vitro and the outer circumferential surface per two adjacent electric wire bodies, one is both provided with each optical fiber accommodating cavity to be used to align the supporting item worn for an optical fiber body, the face that supporting item is in contact with the outer circumferential surface of adjacent electric wire body is in the concentric arc-shaped concave being distributed for one and electric wire body, and for one, set is in the concentric arc convex being distributed in vitro with cable in the face that supporting item is in contact with the internal perisporium that cable covers in vitro.The utility model can be avoided the occurrence of the problem of making optical fiber that slight curves deformation occur under the action of being subject to the Inner extrusion power of external compression power or optical cable cable body because needing optical fiber and cable while are twisted after on FRP strengthening cores in conventional cable, and strong structure guarantee is provided to reduce the decay of optical fiber and loss.
Description
Technical field
Fiber optic cable communications technical field is the utility model is related to, especially a kind of multicore photoelectric composite optical cable.
Background technology
It is well known that photoelectric composite optical cable is used as one kind on the premise of ordinary optic fibre optical cable characteristic is remained, additionally it is possible to
The Novel optical cable that satisfaction ionization conveying requires, leads to because it can solve the problems, such as equipment electricity consumption and signal transmission at the same time sharing
It is widely used in communication network process of construction.
Existing photoelectric composite optical cable is usually that single mode or multimode fibre are inserted in what is made by the polyester material of high-modulus
In Loose tube, optical fiber ointment is filled in casing, while one or more PVC insulated cable is stranded in together with Loose tube
Formed after the FRP strengthening cores of the heart.However, the composite cable of this class formation causes its general because being influenced by itself structure
All over there are the following problems：1st, optical fiber is easy under the action of internal or external compression power because there is small bending generation property
The problem of energy attenuation or loss is higher；2nd, the mechanical performance such as the stretch-proof of optical cable entirety, bend resistance is weaker, can not meet over long distances
Cabling requirement；3rd, the section of optical cable is easy to the deformation being abnormal because being subject to the influence of external compression power or bending force,
So as to cause harmful effect to the performance of optical fiber；4th, manufacture craft is relative complex, production cost is higher.
Utility model content
In view of the deficiency of the prior art, the purpose of this utility model is to provide a kind of multi-core optical to reply closing light by cable
Cable.
To achieve these goals, the utility model adopts the following technical solution：
A kind of multicore photoelectric composite optical cable, it is covered in vitro including cable, three optical fiber bodies and three being placed in the external set of cable
Root is placed in the equally distributed electric wire body in central axes that cable covers in vitro in set and around cable in vitro, adjacent two electric wire bodies
Contact with each other between outer circumferential surface, and the outer circumferential surface of the every electric wire body is in contact with the inner peripheral surface that cable covers in vitro；
Optical fiber appearance is each formed between the inner peripheral surface that the cable covers in vitro and the outer circumferential surface per two adjacent electric wire bodies
Chamber is put, one is both provided with each optical fiber accommodating cavity and is used to align the supporting item worn, the support for an optical fiber body
The face that part is in contact with the outer circumferential surface of adjacent electric wire body is in the concentric arc-shaped concave being distributed with electric wire body for one, the supporting item
For one, set is in the concentric arc convex being distributed in vitro with cable in the face being in contact with the internal perisporium that cable covers in vitro.
Preferably, it is identical and mutual in the first supporting arm part of mirror image distribution and second to include structure for the supporting item
Brace portion, first supporting arm part and the second supporting arm part are corresponding with an electric wire body respectively, first supporting arm part with
What the face and the second supporting arm part that the outer circumferential surface of corresponding electric wire body is in contact were in contact with the outer circumferential surface of corresponding electric wire body
Face is arc-shaped concave, the face and the second supporting arm part and cable that first supporting arm part is in contact with the inner peripheral surface that cable covers in vitro
The face that the inner peripheral surface covered in vitro is in contact collectively forms complete arc convex；First supporting arm part and the second supporting arm part
The region of phase split contact offers the accommodating hole portion for being worn for the contraposition of optical fiber body.
Preferably, the axial direction that first supporting arm part and the second supporting arm part are covered in vitro by an edge parallel to cable
The shaft of distribution is connected as one, and the shaft is located at the medial extremity of accommodating hole portion.
Preferably, company is fixed between first supporting arm part and the second supporting arm part and positioned at the medial extremity of accommodating hole portion
It is connected in one, the outboard end phase split positioned at accommodating hole portion is integrated.
Preferably, the axial direction side that edge covers in vitro parallel to cable on first supporting arm part and/or on the second supporting arm part
Hole portion is buffered to several are offered.
Preferably, the accommodating hole portion is the oval through-hole structure of a radial cross-sectional shape, the accommodating hole portion
The tangential direction that the radial direction that major axis covers in vitro along cable is distributed, short axle covers in vitro along cable is distributed, and the accommodating hole portion is short
Shaft diameter is more than the overall diameter of optical fiber body.
Preferably, the every optical fiber body includes a Loose tube, some optical fiber being placed in Loose tube and filling
Block water yarn layer between optical fiber and Loose tube and between optical fiber and optical fiber and made of crosslinked polyacrylate.
Preferably, the insulating layer and volume that the every electric wire body is wrapped on copper conductor including a copper conductor, volume are wrapped in
Metal screen layer on insulating layer, the region being in contact on the outer circumferential surface of the metal screen layer and with supporting item are provided with anti-skidding
It is raised.
As a result of such scheme, the utility model utilizes structure gap between electric wire body and cable in vitro set (i.e.：
Optical fiber accommodating cavity) for supporting item assembly space is provided, so as to can not only be added using supporting item come the FRP substituted in conventional cable
Qiang Xin, to play the body sizing to optical cable cable body and the supporting role to each part, and can using supporting item
Independent space is provided for the assembling of optical fiber body, optical fiber body is not subject to extruding for the other components of optical cable cable body；Its
Simple and compact for structure, attenuation rate and loss are low, mechanical performance is superior, have very strong practical value and market popularization value.
Brief description of the drawings
Fig. 1 is the cross section structure schematic diagram of the utility model embodiment；
Fig. 2 is the cross section structure schematic diagram (one) of the supporting item of the utility model embodiment；
Fig. 3 is the cross section structure schematic diagram (two) of the supporting item of the utility model embodiment.
Embodiment
The embodiment of the utility model is described in detail below in conjunction with attached drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
As shown in Figure 1 to Figure 3, a kind of multicore photoelectric composite optical cable provided in this embodiment, it covers a (its in vitro including cable
Can as the case may be use homogenous material individual layer sheath structure, also can use multiple material multilayer sheath structure), three
It is placed in that cable covers optical fiber body b in a in vitro and three are placed in cable and cover in vitro and cover the central axes of a in vitro in a and around cable and uniformly divide
The electric wire body c of cloth；Wherein, contacting with each other between the outer circumferential surface of two adjacent electric wire body c, (preferably line contact form, can be with
It is not understood as tangent), meanwhile, the inner peripheral surface that the outer circumferential surface of every electric wire body c covers a in vitro with cable is in contact that (preferably line connects
The form of touching, it can be understood as be tangent)；Meanwhile the inner peripheral surface of a and the periphery per two adjacent electric wire body c are covered in vitro in cable
An optical fiber accommodating cavity d is each formed between face, one is both provided with each optical fiber accommodating cavity d and is used to supply b pairs of an optical fiber body
The supporting item e that position is worn；Wherein, the face that supporting item e is in contact with the outer circumferential surface of adjacent electric wire body c is in electric wire body c for one
The face that the internal perisporium that the arc-shaped concave A being distributed with one heart, supporting item e cover a with cable in vitro is in contact covers a with cable in concentric in vitro for one
The arc convex B of distribution.
Thus, using the structure gap covered in vitro in electric wire body c and cable between a (i.e.：Optical fiber accommodating cavity d) is supporting item e
Assembly space is provided, so that not only the FRP strengthening cores in conventional cable can be substituted using supporting item e, to play to optical cable
The body sizing of cable body and the supporting role to each part, and can be carried using supporting item d for the assembling of optical fiber body b
For independent space, optical fiber body a is set not to be subject to extruding for the other components of optical cable cable body, so as to avoid the occurrence of tradition
Because optical fiber and cable need to make optical fiber be subject to external compression power or optical cable cable being twisted after on FRP strengthening cores at the same time in optical cable
The problem of slight curves deformation occurs under the action of the Inner extrusion power of body, provides effectively to reduce the decay of optical fiber and loss
Structure guarantee.Meanwhile multiple supporting item e cover the inside of a in cable and are distributed in the form of surrounding is circular in vitro, change biography
System optical cable uses single FRP strengthening cores and inside cable body in the form of central distribution, so as to be conducive to strengthen the tension of optical cable
Stretch with the mechanical performance such as bend resistance, provide favourable structural condition for the remote wiring of optical cable.Further, since supporting item e
Cover the face domain that a and electric wire body c are in contact in vitro with cable and use corresponding arc-shaped concave or convex surface, it is ensured that cable covers a in vitro
Supporting item e is set to be in close contact with electric wire body c when carrying out volume bag to its internal part, so as to improve optical cable cable body
Morphological stability；Also, since optical fiber body b is to be greatly facilitated with the formal distribution worn in supporting item e to optical fiber
The assembling of body b advantageously reduces production and the maintenance cost of optical cable with disassembling replacement.
To optimize the structural behaviour of whole optical cable to greatest extent, especially improve supports of the supporting item e to optical fiber body b and protect
Performance is protected, the supporting item e of the present embodiment is identical including structure and each other in the first supporting arm part 10 and second of mirror image distribution
Supporting arm part 20, the first supporting arm part 10 and the second supporting arm part 20 are corresponding with an electric wire body c, the first supporting arm part 10 respectively
Outer circumferential surface phase with face that the outer circumferential surface of corresponding electric wire body c is in contact and the second supporting arm part 20 with corresponding electric wire body c
The face of contact is arc-shaped concave A, the face and the second support arm that the inner peripheral surface that the first supporting arm part 10 covers a with cable in vitro is in contact
The face that the inner peripheral surface that portion 20 covers a with cable in vitro is in contact collectively forms complete arc convex B；Meanwhile in the first supporting arm part
10 regions contacted with the 20 phase split of the second supporting arm part offer the accommodating hole portion 30 for being worn for optical fiber body b contrapositions.By
This, can be that being arranged in supporting item e for optical fiber body b provides enough locus by the accommodating hole portion 30 opened up, and pass through
Structure improvement to two supporting arm parts can then ensure that supporting item e can cover a and electric wire body c in vitro with cable and carry out close structure
Contact.
For a can be covered in vitro during volume wrap molding is carried out to supporting item e and electric wire body c in cable, have supporting item e
There are enough anti-extrusion abilities or form strong buffering effect, two supporting arm parts of the present embodiment select split as far as possible
The structure type of formula or split type, i.e.,：As shown in Fig. 2, the first supporting arm part 10 and the second supporting arm part 20 by one along parallel
The shaft 40 for covering the axial directional distribution of a in vitro in cable is connected as one, and shaft 40 is located at the medial extremity of accommodating hole portion 30.Or
Person, as shown in figure 3, fixing company between the first supporting arm part 10 and the second supporting arm part 20 and positioned at the medial extremity of accommodating hole portion 30
Being connected in outboard end that is integral and being located at accommodating hole portion 30, then phase split is integrated.Thus, it may be such that whole supporting item e can be
Outboard end positioned at accommodating hole portion 30 carries out relative separation, so that supporting item e is unfolded to place optical fiber body b, and it is external in cable
During a volumes of bag of set, since the effect of extruding force can also make two supporting arm parts be extruded split securely, be conducive to support
Part e can adapt to the extruding force of varying strength, so as to provide the support protective effect of strength for optical fiber body b.
To further improve the anti-extrusion ability or buffer capacity of supporting item e, on the first supporting arm part 10 and/or second
On supporting arm part 20 several buffering hole portions 50 are offered along the axial direction for covering a in vitro parallel to cable.
To avoid influencing for extruding force that optical fiber body b is subject to produce by the malformation of supporting item e, the appearance of the present embodiment
The aperture for putting hole portion 30 is more than the outside diameter of optical fiber body b, to provide enough assemblings and mobile space for optical fiber body b, as one
Preferred solution, the accommodating hole portion 30 of the present embodiment is the oval through-hole structure of a radial cross-sectional shape, houses hole portion 30
Major axis covers the radial direction distribution of a along cable in vitro, short axle covers the tangential direction distribution of a along cable in vitro, and houses the short of hole portion 30
Shaft diameter is more than the overall diameter of optical fiber body b.
As a preferred solution, the every optical fiber body b of the present embodiment is placed in loose set including a Loose tube 61, some
Optical fiber 62 in pipe 61 and it is filled between optical fiber 62 and Loose tube 61 and between optical fiber 61 and optical fiber 61 and poly- by being crosslinked
Block water yarn layer 63 made of acrylate.Thus, the optical fiber ointment in traditional optical cable is substituted using the yarn layer 63 that blocks water, can be kept away
Exempt from occurring the problem of optical fiber ointment is easily polluted because of leakage during optical cable construction.
To strengthen the performance of whole cable, the especially structural compactness between component, the every electric wire body c of the present embodiment
Include the metal screen layer that a copper conductor 71, the insulating layer 72 that volume is wrapped on copper conductor 71 and volume are wrapped on insulating layer 72
73, it is provided with anti-skid bulge (not shown) on the outer circumferential surface of metal screen layer 73 and with the supporting item e regions being in contact.
Thus, using anti-skid bulge supporting item e and electric wire body c can be avoided opposite slide occur to greatest extent.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Every equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is directly or indirectly transported
Used in other related technical areas, it is equally included in the patent within the scope of the utility model.
Claims (8)
- A kind of 1. multicore photoelectric composite optical cable, it is characterised in that：It is covered in vitro including cable, three optical fiber being placed in the external set of cable Body and three are placed in the equally distributed electric wire body in central axes that cable covers in vitro in set and around cable in vitro, described in adjacent two Contact with each other between the outer circumferential surface of electric wire body, and the outer circumferential surface of the every electric wire body connects with the inner peripheral surface that cable covers in vitro Touch；An optical fiber accommodating cavity is each formed between the inner peripheral surface that the cable covers in vitro and the outer circumferential surface per two adjacent electric wire bodies, One is both provided with each optical fiber accommodating cavity to be used to align the supporting item worn, the supporting item and phase for an optical fiber body The face that the outer circumferential surface of adjacent electric wire body is in contact is in the concentric arc-shaped concave being distributed, the supporting item and cable body for one and electric wire body For one, set is in the concentric arc convex being distributed in vitro with cable in the face that the internal perisporium of overcoat is in contact.
- A kind of 2. multicore photoelectric composite optical cable as claimed in claim 1, it is characterised in that：It is identical that the supporting item includes structure And each other in the first supporting arm part and the second supporting arm part of mirror image distribution, first supporting arm part and the second supporting arm part An electric wire body, the face and second that first supporting arm part is in contact with the outer circumferential surface of corresponding electric wire body are corresponding with respectively Supporting arm part is arc-shaped concave with the face that the outer circumferential surface of corresponding electric wire body is in contact, and first supporting arm part and cable are external The face and the second supporting arm part that the inner peripheral surface of set is in contact collectively form completely with the face that the inner peripheral surface that cable covers in vitro is in contact Arc convex；First supporting arm part is offered for being aligned for optical fiber body with the region that the second supporting arm part phase split contacts The accommodating hole portion worn.
- A kind of 3. multicore photoelectric composite optical cable as claimed in claim 2, it is characterised in that：First supporting arm part and second Supporting arm part is connected as one by one along the shaft of the axial directional distribution covered in vitro parallel to cable, and the shaft is positioned at accommodating The medial extremity of hole portion.
- A kind of 4. multicore photoelectric composite optical cable as claimed in claim 2, it is characterised in that：First supporting arm part and second It is connected to one between supporting arm part and positioned at the medial extremity of accommodating hole portion, is positioned at the outboard end phase split of accommodating hole portion One.
- A kind of 5. multicore photoelectric composite optical cable as claimed in claim 2, it is characterised in that：On first supporting arm part and/ Or second offer several buffering hole portions on supporting arm part along parallel to the axial direction that cable covers in vitro.
- A kind of 6. multicore photoelectric composite optical cable as claimed in claim 2, it is characterised in that：The accommodating hole portion is radially cut for one The oval through-hole structure of face shape, radial direction distribution that the major axis of the accommodating hole portion covers in vitro along cable, short axle are along cable The tangential direction distribution covered in vitro, and the minor axis diameter of the accommodating hole portion is more than the overall diameter of optical fiber body.
- A kind of 7. multicore photoelectric composite optical cable as any one of claim 1-6, it is characterised in that：The every optical fiber Body include a Loose tube, some optical fiber being placed in Loose tube and be filled between optical fiber and Loose tube and optical fiber with Block water yarn layer between optical fiber and made of crosslinked polyacrylate.
- A kind of 8. multicore photoelectric composite optical cable as any one of claim 1-6, it is characterised in that：The every electric wire Body includes the metal screen layer that a copper conductor, the insulating layer that volume is wrapped on copper conductor and volume are wrapped on insulating layer, the gold Belong to the region being in contact on the outer circumferential surface of shielded layer and with supporting item and be provided with anti-skid bulge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721062514.5U CN207263985U (en) | 2017-08-22 | 2017-08-22 | A kind of multicore photoelectric composite optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721062514.5U CN207263985U (en) | 2017-08-22 | 2017-08-22 | A kind of multicore photoelectric composite optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207263985U true CN207263985U (en) | 2018-04-20 |
Family
ID=61922248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721062514.5U Expired - Fee Related CN207263985U (en) | 2017-08-22 | 2017-08-22 | A kind of multicore photoelectric composite optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207263985U (en) |
-
2017
- 2017-08-22 CN CN201721062514.5U patent/CN207263985U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180420 Termination date: 20200822 |