CN111724931A - Data transmission cable for base station - Google Patents

Data transmission cable for base station Download PDF

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Publication number
CN111724931A
CN111724931A CN202010730356.6A CN202010730356A CN111724931A CN 111724931 A CN111724931 A CN 111724931A CN 202010730356 A CN202010730356 A CN 202010730356A CN 111724931 A CN111724931 A CN 111724931A
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CN
China
Prior art keywords
layer
insulating layer
data transmission
base station
transmission cable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010730356.6A
Other languages
Chinese (zh)
Inventor
胡必林
胡涛涛
李健
蔡飞
胡程
徐静林
胡豪杰
刘丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Tianxing Cable Technology Co ltd
Original Assignee
Anhui Tianxing Cable Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Tianxing Cable Technology Co ltd filed Critical Anhui Tianxing Cable Technology Co ltd
Priority to CN202010730356.6A priority Critical patent/CN111724931A/en
Publication of CN111724931A publication Critical patent/CN111724931A/en
Pending legal-status Critical Current

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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
    • H01B7/02—Disposition of insulation
    • H01B7/0208—Cables with several layers of insulating material
    • H01B7/0225—Three or more layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/02—Cables with twisted pairs or quads
    • H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
    • 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
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
    • 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
    • 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
    • H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
    • H01B7/1815—Protections not provided for in groups H01B7/182 - H01B7/26 composed of longitudinal inserts
    • 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
    • H01B7/184—Sheaths comprising grooves, ribs or other projections
    • 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
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Insulated Conductors (AREA)
  • Communication Cables (AREA)

Abstract

The invention relates to a base station data transmission cable which comprises an inner layer wire and a first insulating layer arranged outside the inner layer wire, wherein a foaming body layer is arranged between at least part of the inner layer wire and the first insulating layer of the base station data transmission cable. According to the base station data transmission cable provided by the invention, the foaming body layer is arranged between the inner layer lead of the base station data transmission cable and the first insulating layer, and the elasticity of the foaming body layer is larger than that of the first insulating layer, particularly, the foaming body layer has larger compressible space when being a sponge layer, so that the first insulating layer firstly compresses the foaming body layer to deform to form bending when the base station data transmission cable is bent, and the first insulating layer is stretched and deformed on the outer side when the first insulating layer is bent to a certain degree at one position, so that the stretching deformation degree generated when the base station data transmission cable is bent is greatly reduced, and the base station data transmission cable is more favorable for being used in a lower environment at a lower temperature.

Description

Data transmission cable for base station
Technical Field
The invention belongs to the technical field of data transmission cables, and particularly relates to a base station data transmission cable.
Background
With the development of communication technology, the construction of base stations has increased, wherein the data transmission cable is used as a medium for data transmission, and the function of the data transmission cable is not a little different, and once a problem occurs in the data transmission cable, the data transmission of the base station is directly affected. The data transmission cable is inevitably bent in the wiring process, and the insulating layer of the data transmission cable is stretched and deformed on the outer side in the bending process to form damage to the insulating layer, generally because the insulating material has certain ductility, therefore, the damage does not generally affect the insulation protection of the data transmission cable, however, in some special conditions, such as a relatively low temperature environment, the ductility of the insulation layer is deteriorated, so that the damage to the insulation layer formed after the insulation layer is stretched and deformed becomes large, even cracks occur when the bending is large, thereby affecting the insulation protection performance of the insulation layer, and therefore, new low temperature resistant materials are continuously researched to solve the problem, and obtains better technical results, but can not meet higher requirements of people.
Disclosure of Invention
In view of the above problems in the prior art, the present invention provides a base station data transmission cable to solve the above technical problems.
In order to achieve the above object, the present invention provides a technical solution as follows:
a base station data transmission cable comprises an inner layer wire and a first insulating layer arranged outside the inner layer wire, wherein a foaming body layer is arranged between at least part of the inner layer wire of the base station data transmission cable and the first insulating layer.
Preferably, the foam layer is a sponge layer.
Preferably, the inner conductor comprises a conductor wire core, a second insulating layer arranged outside the conductor wire core and a shielding layer arranged outside the second insulating layer.
Preferably, the conductor core and the second insulating layer form a combined wire monomer, the two combined wire monomers are mutually wound to form a twisted pair, and the shielding layer is arranged outside the twisted pair.
Preferably, the twisted pair and the shielding layer form a conductive single body, the inner conductor includes a plurality of sets of conductive single bodies, the plurality of sets of conductive single bodies form a composite body, and the foam layer is located between the composite body and the first insulating layer.
Preferably, insulating filling bodies are filled in gaps among the multiple groups of conducting monomers, the centers of the filling bodies are overlapped with the center of the first insulating layer, and reinforcing bars are arranged at the center positions of the filling bodies.
Preferably, the reinforcing strip is a metal strip or a rubber strip.
Preferably, the inner layer lead comprises a conductor wire core, a second insulating layer arranged outside the conductor wire core, a shielding layer arranged outside the second insulating layer and a third insulating layer arranged outside the shielding layer;
the conductor wire core and the second insulating layer form a combined wire monomer, the two combined wire monomers are mutually wound to form a twisted pair, and the shielding layer is arranged outside the twisted pair.
Preferably, the twisted pair, the shielding layer and the third insulating layer form a conductive single body, the inner conductor includes a plurality of groups of conductive single bodies, and a foam layer is disposed between each group of conductive single bodies and the first insulating layer.
Preferably, the inner surface of the first insulating layer and the outer surface of the third insulating layer are provided with saw-tooth-shaped grooves, and the inner surface and the outer surface of the foam body are provided with saw-tooth-shaped protrusions matched with the saw-tooth-shaped grooves.
According to the base station data transmission cable provided by the invention, the foaming body layer is arranged between the inner layer wire and the first insulating layer of the base station data transmission cable, and the elasticity of the foaming body layer is greater than that of the first insulating layer, particularly, the compressible space of the foaming body layer is larger when the foaming body layer is a sponge layer, so that the first insulating layer firstly compresses the foaming body layer to deform to form bending when the base station data transmission cable is bent, and the first insulating layer is stretched and deformed on the outer side when the foaming body layer is bent to a certain degree at one position, so that the stretching deformation degree generated when the base station data transmission cable is bent is greatly reduced, and the base station data transmission cable is more favorable for being used in a;
when bending, can also set up a plurality of bending points and form a big bending, can further reduce the tensile deformation journey that base station data transmission cable produced when buckling like this, stop the tensile deformation that data transmission cable produced when bending even. Similarly, the structure is less prone to tensile deformation of the first insulating layer when bent around a circular object.
Drawings
Fig. 1 is an external configuration diagram of a base station data transmission cable in embodiments 1 and 2;
fig. 2 is an external configuration diagram of a base station data transmission cable in embodiments 3 and 4;
FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 1;
and is one of the schematic structural diagrams of the cross-section B-B of FIG. 2;
FIG. 4 is a schematic view of the cross-sectional structure C-C of FIG. 2;
FIG. 5 is a second schematic view of the cross-sectional structure A-A of FIG. 1;
FIG. 6 is a third schematic view of the cross-sectional structure A-A of FIG. 1;
and is a second schematic diagram of the cross-sectional structure B-B of FIG. 2;
FIG. 7 is a schematic longitudinal cross-sectional view of the structure of FIG. 2 with the inner wire structure removed for ease of understanding;
FIG. 8 is an enlarged view of FIG. 7 at D;
FIG. 9 is a schematic partial cross-sectional view of the inner conductive line structure corresponding to FIG. 8;
reference numerals in the figures; the cable comprises an inner layer wire 1, a conductor wire core 1-1, a second insulating layer 1-2, a shielding layer 1-3, a third insulating layer 1-4, an insulating filling body 1-5, reinforcing strips 1-6, a first insulating layer 2, a foaming body layer 3, a sawtooth-shaped groove 4 and a sawtooth-shaped protrusion 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of the present invention.
Embodiment 1, the present invention provides a base station data transmission cable, referring to fig. 1 and 3, including an inner conductor 1 and a first insulating layer 2 disposed outside the inner conductor; a foaming body layer 3 is arranged between an inner layer lead of the base station data transmission cable and a first insulating layer, the elasticity of the foaming body layer is greater than that of the first insulating layer, the foaming body layer is a laminated structure made of foaming paper, the foaming body layer can be a sponge layer, and the sponge can be high-temperature-resistant sponge or memory sponge and the like; the inner layer conductor can use an existing structure, in this embodiment, the inner layer conductor includes a conductor core 1-1, a second insulating layer 1-2 arranged outside the conductor core, and a shielding layer 1-3 arranged outside the second insulating layer, the conductor core and the second insulating layer form a combined wire monomer, two combined wire monomers are wound with each other to form a twisted pair, and the shielding layer is arranged outside the twisted pair; the twisted pair and the shielding layer form a conductive single body, the inner conductor comprises a plurality of groups of conductive single bodies, the plurality of groups of conductive single bodies form a composite body, and the foaming body layer is positioned between the composite body and the first insulating layer.
According to the structure, the foaming body layer is arranged between the inner layer wire and the first insulating layer of the base station data transmission cable, and the elasticity of the foaming body layer is larger than that of the first insulating layer, particularly, the foaming body layer has larger compressible space when being a sponge layer, so that the first insulating layer firstly compresses the foaming body layer to deform to form bending when the base station data transmission cable is bent, and the first insulating layer is stretched and deformed at the outer side when the first insulating layer is bent to a certain degree at one position, so that the stretching deformation degree generated when the base station data transmission cable is bent is greatly reduced, and the base station data transmission cable is more favorable for being used in a lower environment at the air temperature;
when bending, can also set up a plurality of bending points and form a big bending, can further reduce the tensile deformation journey that base station data transmission cable produced when buckling like this, stop the tensile deformation that data transmission cable produced when bending even. Similarly, the structure is less prone to tensile deformation of the first insulating layer when bent around a circular object.
In practical use, set up the foaming layer especially the sponge layer can form the support between inlayer wire and the first insulating layer for there is relatively great frictional force between inlayer wire and the foaming layer and between foaming layer and the first insulating layer, especially frictional force can grow after the foaming layer is compressed when buckling, thereby can effectively prevent that inlayer wire and first insulating layer from taking place relative movement when the atress. As an embodiment, referring to fig. 5, insulation filling bodies 1-5 are filled in gaps between a plurality of groups of the conductive monomers, the center of the filling body coincides with the center of the first insulation layer, a reinforcing strip 1-6 is disposed at the center of the filling body, the filling body is further configured to prevent the inner layer conductor and the first insulation layer from moving relatively when a force is applied, and the reinforcing strip is disposed at a neutral position of the filling body to increase the overall tensile resistance of the base station data transmission cable, wherein the reinforcing strip is a metal strip or a rubber strip, and when a metal strip is used, a shielding layer may be disposed between the foaming layer and the first insulation layer or between the foaming layer and the inner layer conductor, which is a configuration known to those skilled in the art and will not be described herein again.
Embodiment 2, embodiment 2 is substantially the same as embodiment 1 except that a third insulating layer is provided outside the shielding layer and a foam layer is provided between the conductive single body and the first insulating layer, and the specific structure is shown in fig. 1 and 6, the base station data transmission cable comprises an inner layer conductor 1 and a first insulating layer 2 provided outside the inner layer conductor; a foaming body layer 3 is arranged between an inner layer lead of the base station data transmission cable and the first insulating layer, the elasticity of the foaming body layer is greater than that of the first insulating layer, wherein the foaming body layer is a laminated structure made of foaming paper, the foaming body layer can be a sponge layer, and the sponge can be high-temperature-resistant sponge or memory sponge and the like; the inner-layer wire can use the existing structure, and in the embodiment, the inner-layer wire comprises a conductor wire core 1-1, a second insulating layer 1-2 arranged outside the conductor wire core, a shielding layer 1-3 arranged outside the second insulating layer and a third insulating layer 1-4 arranged outside the shielding layer; the conductor wire core and the second insulating layer form a combined wire monomer, the two combined wire monomers are mutually wound to form a twisted pair, and the shielding layer is arranged outside the twisted pair; the twisted pair, the shielding layer and the third insulating layer form a conducting monomer, the inner-layer conductor comprises a plurality of groups of conducting monomers, and a foaming body layer is arranged between each group of conducting monomers and the first insulating layer.
The principle of the above structure is the same as that of the embodiment, and the description is omitted here. In addition, a filler and a reinforcing bar structure can also be arranged in the middle gap of the 4 conductive monomers in fig. 6.
As a preferred embodiment, referring to fig. 7-9, the inner surface of the first insulating layer and the outer surface of the third insulating layer are provided with saw-tooth grooves 4, and the inner surface and the outer surface of the foam are provided with saw-tooth protrusions 5 matched with the saw-tooth grooves, so that the saw-tooth structure can prevent the inner conductor and the first insulating layer from moving relatively when being stressed after the foam layer is compressed when being bent, and in addition, the foam is easier to deform when being bent due to the depressions between the adjacent saw-tooth parts of the saw-tooth structure when being bent, thereby further reducing the tensile deformation of the first insulating layer.
Embodiment 3, embodiment 3 is the same as embodiment 1 in principle, except that a foam layer is arranged between a part of the inner layer conductor and the first insulating layer of the data transmission cable of the base station, and the cable is bent at the part with the foam when in use, and the specific structure is shown in fig. 2-4, which comprises an inner layer conductor 1 and a first insulating layer 2 arranged outside the inner layer conductor; a foam layer 3 is arranged between the inner layer conducting wire and the first insulating layer of part of the base station data transmission cable, wherein the part provided with the foam can be arranged on the whole cable in sections, so that the position can also be used as a handheld part when the cable is pulled, the handheld part has good hand-holding feeling, the diameter difference formed between the handheld part and the part without the foam can be used for skid prevention, the elasticity of the foam layer is greater than that of the first insulating layer, the foam layer is a laminated structure made of foam paper, the foam layer can be a sponge layer, and the sponge can be high-temperature-resistant sponge or memory sponge and the like; in the embodiment, the inner layer conductor comprises a conductor core 1-1, a second insulating layer 1-2 arranged outside the conductor core, and a shielding layer 1-3 arranged outside the second insulating layer, wherein the conductor core and the second insulating layer form a combined wire monomer, two combined wire monomers are wound with each other to form a twisted pair, and the shielding layer is arranged outside the twisted pair; the twisted pair and the shielding layer form a conductive single body, the inner conductor includes a plurality of sets of conductive single bodies, the plurality of sets of conductive single bodies form a composite body, and the foam layer is located between the composite body and the first insulating layer.
Of course, the additional embodiments in embodiment 1 are also applicable to this embodiment.
Embodiment 4, embodiment 4 is the same as embodiment 2 in principle, except that a foam layer is arranged between a part of the inner layer conductor and the first insulating layer of the data transmission cable of the base station, and the cable is bent at the part with the foam when in use, and the specific structure is shown in fig. 2, 4 and 6, and comprises an inner layer conductor 1 and a first insulating layer 2 arranged outside the inner layer conductor; a foam layer 3 is arranged between the inner layer conducting wire of part of the base station data transmission cable and the first insulating layer, wherein the part provided with the foam can be arranged on the whole cable in sections, so that the position can also be used as a handheld part when the cable is pulled, the handheld part has good hand-holding feeling, the diameter difference formed between the handheld part and the part not provided with the foam can be used for skid resistance, the elasticity of the foam layer is greater than that of the first insulating layer, the foam layer is a laminated structure made of foam paper, the foam layer can be a sponge layer, and the sponge can be high-temperature-resistant sponge or memory sponge and the like; the inner-layer wire can use an existing structure, and in the embodiment, the inner-layer wire comprises a conductor wire core 1-1, a second insulating layer 1-2 arranged outside the conductor wire core, a shielding layer 1-3 arranged outside the second insulating layer and a third insulating layer 1-4 arranged outside the shielding layer; the conductor wire core and the second insulating layer form a combined wire monomer, the two combined wire monomers are mutually wound to form a twisted pair, and the shielding layer is arranged outside the twisted pair; the twisted pair, the shielding layer and the third insulating layer form a conducting monomer, the inner layer conductor comprises a plurality of groups of conducting monomers, and a foaming body layer is arranged between each group of conducting monomers and the first insulating layer.
Of course, the additional embodiments in example 2 are equally applicable to this example.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A base station data transmission cable comprises an inner layer lead (1) and a first insulating layer (2) arranged outside the inner layer lead; it is characterized in that the preparation method is characterized in that,
a foam layer (3) is arranged between the inner layer wire and the first insulating layer of at least part of the base station data transmission cable.
2. The base station data transmission cable of claim 1, wherein the foam layer is a sponge layer.
3. A base station data transmission cable according to claim 1, characterized in that the inner conductor comprises a conductor core (1-1), a second insulating layer (1-2) arranged outside the conductor core, and a shielding layer (1-3) arranged outside the second insulating layer.
4. The base station data transmission cable of claim 3, wherein the conductor core and the second insulating layer form a single combined wire, the single combined wire is twisted to form a twisted pair, and the shielding layer is disposed outside the twisted pair.
5. The base station data transmission cable according to claim 4, wherein the twisted pairs and the shielding layer form a conductive single body, the inner conductor comprises a plurality of sets of conductive single bodies, the plurality of sets of conductive single bodies form a composite body, and the foam layer is located between the composite body and the first insulating layer.
6. A base station data transmission cable according to claim 5, characterized in that insulating fillers (1-5) are filled in the gaps between the groups of the conductive single bodies, the center of the filler coincides with the center of the first insulating layer, and a reinforcing strip (1-6) is arranged at the center of the filler.
7. The base station data transmission cable according to claim 6, wherein the reinforcing strip is a metal strip or a rubber strip.
8. The base station data transmission cable according to claim 1, wherein the inner conductor comprises a conductor core (1-1), a second insulating layer (1-2) arranged outside the conductor core, a shielding layer (1-3) arranged outside the second insulating layer, and a third insulating layer (1-4) arranged outside the shielding layer;
the conductor wire core and the second insulating layer form a combined wire monomer, the two combined wire monomers are mutually wound to form a twisted pair, and the shielding layer is arranged outside the twisted pair.
9. The base station data transmission cable according to claim 8, wherein the twisted pair, the shielding layer and the third insulating layer form a single conductive body, the inner conductor comprises a plurality of groups of single conductive bodies, and a foam layer is disposed between each group of single conductive bodies and the first insulating layer.
10. A base station data transmission cable according to claim 8 or 9, characterized in that the inner surface of the first insulating layer and the outer surface of the third insulating layer are provided with saw-tooth grooves (4), and the inner surface and the outer surface of the foam body are provided with saw-tooth projections (5) cooperating with the saw-tooth grooves.
CN202010730356.6A 2020-07-27 2020-07-27 Data transmission cable for base station Pending CN111724931A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010730356.6A CN111724931A (en) 2020-07-27 2020-07-27 Data transmission cable for base station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010730356.6A CN111724931A (en) 2020-07-27 2020-07-27 Data transmission cable for base station

Publications (1)

Publication Number Publication Date
CN111724931A true CN111724931A (en) 2020-09-29

Family

ID=72573685

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010730356.6A Pending CN111724931A (en) 2020-07-27 2020-07-27 Data transmission cable for base station

Country Status (1)

Country Link
CN (1) CN111724931A (en)

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