CN114496361B - High-density photoelectric hybrid cable for data center - Google Patents
High-density photoelectric hybrid cable for data center Download PDFInfo
- Publication number
- CN114496361B CN114496361B CN202111521768.XA CN202111521768A CN114496361B CN 114496361 B CN114496361 B CN 114496361B CN 202111521768 A CN202111521768 A CN 202111521768A CN 114496361 B CN114496361 B CN 114496361B
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- cable
- data center
- optical fiber
- cable core
- fiber ribbon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/40—Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
Abstract
The invention belongs to the field of cables, and particularly discloses a high-density photoelectric hybrid cable for a data center, which comprises a framework, a cable core and a clamping layer, wherein the center of the framework is provided with an axial through hole, a conductive wire is arranged in the through hole, supporting ribs radiating outwards are uniformly arranged in the circumferential direction, and a containing cavity is formed between two adjacent supporting ribs; the cable core comprises an optical fiber ribbon and a sheath extruded outside the optical fiber ribbon, the optical fiber ribbon is arranged in the accommodating cavity, and the optical fiber ribbon is formed by combining a plurality of optical fibers; the clamping layer is formed by a plurality of backplate interconnect, and the one end of backplate forms bellied tenon portion, and the other end forms the mortise portion with tenon portion adaptation, the mortise portion adaptability joint of every backplate and adjacent backplate, sets up outside skeleton and cable core. According to the invention, the conductive wires and the optical cable are integrated into the same framework, so that the defect of large occupied space for separate wiring is overcome, when the cable core fails, the clamping layer can be removed at any time for replacement, the waste of manpower and material resources caused by re-laying a new line is avoided, and the operation is convenient.
Description
Technical Field
The invention belongs to the field of cables, and particularly relates to a high-density photoelectric hybrid cable applicable to a data center.
Background
Internet Data Center Internet data center, IDC data center for short, is a large-scale computer room for providing server hosting, renting service and related value-added service for enterprises and public institutions and individuals by utilizing the existing Internet communication lines and bandwidth resources of communication operators to establish a standardized computer room environment of the data center.
A large number of servers are placed in the machine room, a large number of wires and optical cables are connected to the servers, at present, the wires and the optical cables are arranged in grooves in the machine room in a separated wiring mode, and occupied space is large. In addition, because the optical cable is more, in order to practice thrift the space, often tie up many optical cables together through ribbon or yarn rope, when having certain optical cable to break down, need change, need cut the ribbon, change after pulling out, tie up again, it is laborious consuming time.
Disclosure of Invention
In order to solve the problems that the existing conductive wires and optical cables used in the data center are separately wired, the occupied space is large, and replacement is laborious and time-consuming due to the fact that a plurality of optical cables are fixed through a binding belt, the invention provides a high-density photoelectric hybrid cable which can be used in the data center.
The technical scheme adopted by the invention is as follows:
a high-density photoelectric hybrid cable for a data center comprises a framework, a cable core and a clamping layer;
the framework is provided with an axial through hole in the center, a conductive wire is arranged in the through hole, supporting ribs radiating outwards are uniformly arranged in the circumferential direction, and a containing cavity is formed between every two adjacent supporting ribs;
the cable core comprises an optical fiber ribbon and a sheath extruded outside the optical fiber ribbon, and is arranged in the accommodating cavity, and the optical fiber ribbon is formed by combining a plurality of optical fibers;
the clamping layer is formed by connecting a plurality of guard plates, one end of each guard plate forms a convex tenon portion, the other end forms a mortise portion matched with the tenon portion, and the tenon portion of each guard plate is adaptively clamped with the mortise portion of the adjacent guard plate and is arranged outside the framework and the cable core.
Optionally, the left and right sides of the support rib are provided with recessed grooves, the left and right sides of the sheath are provided with protrusions matched with the grooves, and the two protrusions of the sheath are respectively embedded into the grooves opposite to the support rib on the left and right sides.
Optionally, each supporting edge is internally provided with radial hole columns, the hole columns are uniformly arranged at intervals in the axial direction of the mixed cable, and the length of each hole column is equal to or greater than the length of the groove from the outer end surface of the supporting edge where the groove is located.
Optionally, two hole columns are arranged along the radial direction.
Optionally, each support edge is close to the both sides of outer end position and is equipped with the chamfer, and every the inboard of backplate is provided with two J-shaped hook, and hook comprises straight section and arc, and the arc looks joint with the chamfer of its adjacent support edge realizes backplate and two adjacent support edge's is fixed.
Optionally, an elastic element protruding inwards and abutting against the sheath is arranged on the inner side of each guard plate and between the two hook parts.
Optionally, the elastic member is provided with two elastic members, and a cavity along the axial direction is arranged in the elastic member.
Optionally, on the outside of sheath, with the face that backplate inboard is relative, along the even interval of axial is equipped with the pulling portion, and the pulling portion is cavity outwards bellied arcuation, butt is between two the elastic component.
Optionally, a water-blocking ointment or a water-blocking yarn is filled between the sheath and the optical fiber ribbon.
Optionally, the outside of the clamping and fixing layer is also wrapped with non-woven fabrics or spun yarns.
The beneficial effects of the invention are as follows:
(1) The method avoids the adoption of a separate wiring mode of the conductive wires and the optical cables, and solves the problems of large space occupation of the separate wiring, and labor and material waste caused by repeated construction;
(2) The optical fibers are extruded in the sheath through the parallel belts, so that the optical fiber cable has high density and large transmission capacity, can be connected with a plurality of servers through one-time wiring and multiple branching, greatly reduces the laying workload of the optical cable, avoids using reinforcing parts, has better flexibility and is convenient for construction operation;
(3) When a certain cable core has a problem, the clamping layer can be removed at any time for replacement, the waste of manpower and material resources caused by re-paving a new line is avoided, the operation is convenient, and the clamping layer can be easily and conveniently reinstalled after replacement.
Description of the drawings:
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic axial view of the present invention;
FIG. 3 is a schematic cross-sectional view of the framework of the present invention;
FIG. 4 is an axial schematic view of the framework of the present invention;
FIG. 5 is a schematic cross-sectional view of a hole column in a framework of the present invention;
FIG. 6 is a schematic illustration of the present invention with the cable core replaced;
each marked in the figure is:
skeleton 1, cable core 2, clamping layer 3, through-hole 4, electric wire 5, support arris 6, accommodation chamber 7, optical fiber ribbon 8, sheath 9, backplate 10, tenon portion 10a, mortise portion 10b, chamfer 11, hook portion 12, straight section 12a, arc section 12b, elastic component 13, cavity 13a, pulling part 14, hole post 15, screwdriver 16, arch 21, recess 61.
The specific embodiment is as follows:
the invention is described in further detail below with reference to specific examples and figures of the specification. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. In addition, the embodiments of the present invention referred to in the following description are typically only some, but not all, embodiments of the present invention. Therefore, all other embodiments, which can be made by one of ordinary skill in the art without undue burden, are intended to be within the scope of the present invention, based on the embodiments of the present invention.
In the description of the present invention, it should be understood that the terms "thickness," "upper," "lower," "horizontal," "top," "bottom," "inner," "outer," "circumferential," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present invention. In the description of the present invention, the meaning of "a plurality" means at least two, for example, two, three, etc., unless explicitly defined otherwise, the meaning of "a number" means one or more.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "abutting," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The raw materials used in the examples of the present invention are all commercially available or available to those skilled in the art unless specifically stated otherwise; the methods used in the examples of the present invention are those known to those skilled in the art unless specifically stated otherwise.
Examples
As shown in fig. 1-3, a high-density photoelectric hybrid cable for a data center comprises a framework 1, a cable core 2 and a clamping layer 3;
the framework is provided with axial through holes 4 in the center, conductive wires 5 are arranged in the through holes, supporting ribs 6 radiating outwards are uniformly arranged in the circumferential direction, a containing cavity 7 is formed between every two adjacent supporting ribs, the framework is used as a supporting component of the whole cable and is made of materials with certain hardness and elasticity, such as PE (polyethylene) or TPU (thermoplastic polyurethane), the supporting ribs are usually arranged in 4-8, the supporting effect of the supporting ribs is poor when the supporting ribs are arranged too little, the supporting ribs occupy larger space when the supporting ribs are arranged too much, the density of optical fibers on unit area is reduced, the transmission capacity is reduced, PE materials are selected in the embodiment, and the supporting ribs are arranged 5;
the cable core is composed of an optical fiber ribbon 8 and a sheath 9 extruded outside the optical fiber ribbon, and is arranged in the accommodating cavity, the optical fiber ribbon is formed by combining a plurality of optical fibers, the shape of the cable core is matched with the accommodating cavity, the cable core is fan-shaped in the example, the optical fiber ribbon has large transmission capacity and certain tensile property, the performance and the using effect are better, an optical fiber bundle which is not combined by resin can also be selected, the cable core is not provided with a reinforcing piece, the flexibility is better, the construction or the replacement of the tensile deformation is convenient, and in the actual production, the optical fiber ribbon core manufactured in the patent number 201180008860.4, the patent names of optical fiber ribbon core, the manufacturing method of the optical fiber ribbon core and the optical cable is finer, lighter and higher in density;
the clamping layer is formed by connecting a plurality of guard plates 10, one ends of the guard plates form protruding tenon portions 10a, the other ends of the guard plates form mortise portions 10b matched with the tenon portions, the tenon portions of each guard plate are adaptively clamped with mortise portions of adjacent guard plates, the guard plates are arranged outside a framework and a cable core, the guard plates have a certain radian, the cable core is protected in a clamping mode, and the guard plates can be fixed around a non-woven fabric or spun yarn to prevent the guard plates from being separated from each other.
Although the cable is mainly used in a data center machine room, special conditions such as water seepage of the machine room are considered, and water-blocking ointment or water-blocking yarns are filled between the sheath and the optical fiber ribbon.
According to the invention, the conductive wires and the cable cores are arranged in the same framework, and a plurality of servers can be connected only by one-time wiring and multiple branching, so that the laying workload of the optical cable is greatly reduced, and the manpower and material resources are saved.
In order to prevent the cable core from shaking in the accommodating cavity and improve the stability, the left side and the right side of the supporting edge are provided with inward concave grooves 61, the grooves are preferentially arranged near the middle of the supporting edge, the left side and the right side of the fan-shaped sheath are provided with protrusions 21 matched with the grooves, and when the cable core is installed, the cable core can be fixed only by embedding the two protrusions of the sheath into the grooves opposite to the supporting edges on the left side and the right side.
Further, as shown in fig. 1-3, chamfer angles 11 are arranged on two sides, close to the outer end, of each supporting edge, two J-shaped hook parts 12 are arranged on the inner side of each guard plate, each hook part consists of a straight section 12a and an arc section 12b, the arc sections are clamped with the chamfer angles of the adjacent supporting edges, fixing of the guard plates and the two adjacent supporting edges is achieved, and firmness and sealing performance of clamping of the guard plates are greatly improved through matching of the hook parts and the chamfer angles.
Still further, the inboard of every backplate, be provided with inwards protruding, with the elastic component 13 of sheath butt between two hook, after cable core embedding holding chamber, backplate block, elastic component or deformation butt are on the sheath, the elastic component inwards extrudees the sheath, make the cable core more firm, simultaneously the sheath gives the opposite outwards effort of elastic component, make the backplate present the trend of outwards deformation, make hook and chamfer joint tighter, the overall structure of optical cable is more firm, in this embodiment, the elastic component is equipped with two, its inside is equipped with along axial cavity 13a, the inside is the cavity form, more help the deformation of elastic component.
In addition, on the outside of sheath, the face opposite to the backplate inboard, be equipped with the portion of pulling 14 along the even interval of axial, the portion of pulling is cavity outwards bellied arcuation, the butt is between two elastic components, when changing the cable core, the setting of portion of pulling more helps pulling out the cable core from the skeleton.
The elastic piece and the lifting part are arranged in a hollow shape, and the effects of shock absorption and compression resistance can be achieved.
When the cable core is damaged, in order to facilitate replacement of the cable core, as shown in fig. 4 and 5, radial hole columns 15 are arranged in each supporting edge, the hole columns are uniformly arranged at intervals in the axial direction of the cable, the length beta of each hole column is equal to or greater than the length alpha of the groove from the outer end surface of the supporting edge where the hole column is located, when the cable core is replaced, a tool such as a screwdriver 16 is inserted into the hole, the handle of the screwdriver is rotated in the opposite direction relative to the position of the cable core, the protrusions and the grooves of the screwdriver are separated, and the cable core is pulled out.
In practical operation, it is found that only a single radial Kong Zhushi is arranged in the supporting edge, the rotation of the screwdriver handle easily causes the other cable core adjacent to the supporting edge to be separated from the groove, and further, the two hole columns are arranged in the radial direction, when one cable core adjacent to the supporting edge needs to be replaced, the screwdriver is inserted into the hole column adjacent to the hole column, as shown in fig. 6, when the cable core at the position A needs to be replaced, the screwdriver is inserted into the hole column C and the handle is rotated to the left side, so that the cable core at the position A is separated from the supporting edge corresponding to the cable core, after the replacement is completed, the new cable core is only needed to be put into the accommodating cavity again, and after the cable core is clamped with the corresponding groove, the outer guard plate is assembled again, and the cable is simple and convenient.
Claims (8)
1. The utility model provides a high density photoelectricity hybrid cable that can be used to data center, includes skeleton, cable core and card solid layer, its characterized in that:
the framework is provided with an axial through hole in the center, a conductive wire is arranged in the through hole, supporting ribs radiating outwards are uniformly arranged in the circumferential direction, and a containing cavity is formed between every two adjacent supporting ribs;
the cable core comprises an optical fiber ribbon and a sheath extruded outside the optical fiber ribbon, and is arranged in the accommodating cavity, and the optical fiber ribbon is formed by combining a plurality of optical fibers;
the clamping layer is formed by connecting a plurality of guard plates, one end of each guard plate forms a convex tenon part, the other end forms a mortise part matched with the tenon part, the tenon part of each guard plate is in adaptive clamping connection with the mortise part of the adjacent guard plate, and the clamping layer is arranged outside the framework and the cable core;
the left side and the right side of the supporting ribs are provided with inward concave grooves, the left side and the right side of the sheath are provided with bulges matched with the concave grooves, and the two bulges of the sheath are respectively embedded into the concave grooves opposite to the supporting ribs on the left side and the right side;
the inside of every support arris is equipped with along radial hole post, and the even interval setting of hole post in the axial of hybrid cable, just the length of hole post is not less than the length of recess distance its support arris outer terminal surface that locates realizes through the hole post protruding and the separation of recess.
2. A high density optical and electrical hybrid cable for use in a data center as recited in claim 1, wherein said columns are radially disposed in two pairs.
3. The high-density photoelectric hybrid cable for a data center according to claim 1, wherein chamfers are arranged on two sides, close to the outer end, of each supporting edge, two J-shaped hook parts are arranged on the inner side of each guard plate, each hook part consists of a straight section and an arc section, each arc section is clamped with the chamfers of the adjacent supporting edges, and fixing of the guard plate and the two adjacent supporting edges is achieved.
4. A high density optical and electrical hybrid cable for use in a data center as claimed in claim 3, wherein an elastic member is provided between the two hooks on the inner side of each shield, and is adapted to abut the sheath.
5. A high density optical and electrical hybrid cable for a data center as recited in claim 4, wherein said elastic member has two cavities disposed therein along an axial direction.
6. The high-density photoelectric hybrid cable for data centers according to any one of claims 4 and 5, wherein the outer side of the sheath and the surface opposite to the inner side of the guard plate are provided with lifting parts at uniform intervals along the axial direction, and the lifting parts are in a hollow arc shape protruding outwards and are abutted between the two elastic pieces.
7. A high density optical-electrical hybrid cable for use in a data center as claimed in claim 1, wherein a water-blocking ointment or yarn is filled between the sheath and the optical fiber ribbon.
8. A high density photoelectric hybrid cable for a data center according to claim 1, wherein the outside of the clamping layer is further wrapped with a non-woven fabric or spun yarn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111521768.XA CN114496361B (en) | 2021-12-13 | 2021-12-13 | High-density photoelectric hybrid cable for data center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111521768.XA CN114496361B (en) | 2021-12-13 | 2021-12-13 | High-density photoelectric hybrid cable for data center |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114496361A CN114496361A (en) | 2022-05-13 |
| CN114496361B true CN114496361B (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111521768.XA Active CN114496361B (en) | 2021-12-13 | 2021-12-13 | High-density photoelectric hybrid cable for data center |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0996016A2 (en) * | 1998-10-23 | 2000-04-26 | Bowthorpe Plc | Optical fibre cable |
| JP2007065595A (en) * | 2005-09-02 | 2007-03-15 | Hitachi Cable Ltd | Optical fiber cable |
| CN106847405A (en) * | 2017-04-04 | 2017-06-13 | 苏州高精特专信息科技有限公司 | Cable all easy to identify or optical cable and its manufacture method under a kind of light and subdued light conditions |
| CN111653390A (en) * | 2020-06-22 | 2020-09-11 | 杭州富通通信技术股份有限公司 | Photoelectric hybrid cable |
| CN213424677U (en) * | 2020-09-28 | 2021-06-11 | 湖南荣腾电力建设有限公司 | Fireproof cable |
| CN213752070U (en) * | 2021-01-12 | 2021-07-20 | 江苏安诚电缆有限公司 | Weather-resistant cable with power and data transmission function |
-
2021
- 2021-12-13 CN CN202111521768.XA patent/CN114496361B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0996016A2 (en) * | 1998-10-23 | 2000-04-26 | Bowthorpe Plc | Optical fibre cable |
| JP2007065595A (en) * | 2005-09-02 | 2007-03-15 | Hitachi Cable Ltd | Optical fiber cable |
| CN106847405A (en) * | 2017-04-04 | 2017-06-13 | 苏州高精特专信息科技有限公司 | Cable all easy to identify or optical cable and its manufacture method under a kind of light and subdued light conditions |
| CN111653390A (en) * | 2020-06-22 | 2020-09-11 | 杭州富通通信技术股份有限公司 | Photoelectric hybrid cable |
| CN213424677U (en) * | 2020-09-28 | 2021-06-11 | 湖南荣腾电力建设有限公司 | Fireproof cable |
| CN213752070U (en) * | 2021-01-12 | 2021-07-20 | 江苏安诚电缆有限公司 | Weather-resistant cable with power and data transmission function |
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| Publication number | Publication date |
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| CN114496361A (en) | 2022-05-13 |
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