CN105788751B - A kind of electric power or communication remote radio head optoelectrical cable and its manufacture method - Google Patents

Abstract

The invention belongs to the technical field of cables, and in particular relates to a wireless radio frequency remote photoelectric integrated cable for electric power or communication, which includes an optical transmission unit, an electrical transmission unit and an outer sheath, and the electrical transmission unit consists of a first conductor layer and a second conductor layer; it is characterized in that the optical transmission unit is composed of a plurality of optical fiber units, a loose tube covering the multiple optical fiber units, a reinforcement layer evenly distributed outside the loose tube, and extrusion coating The inner sheath outside the strengthening layer is composed of an optical fiber and a tight cladding covering the optical fiber; the first conductor layer is composed of the first type of convex strips and the first type of grooves distributed at intervals, The second conductor layer is composed of the second type of convex strips and the second type of grooves distributed at intervals. The invention also discloses a manufacturing method of the wireless radio frequency remote photoelectric integrated cable. The invention has the beneficial effects of simple structure, easy manufacture, lower attenuation constant, more convenient and flexible use, wider temperature adaptation range and the like.

Description

A wireless radio frequency remote photoelectric integrated cable for power or communication and its manufacturing method

This application is a divisional application for an invention patent titled: A new type of wireless radio frequency remote photoelectric integrated cable and its manufacturing method, the application date is: April 07, 2015, and the application number is: 201510159901.X.

technical field

The invention belongs to the field of cable technology, and in particular relates to a wireless radio frequency remote optoelectronic integrated cable for electric power or communication.

Background technique

With the opening of 3G, 4G and even higher-frequency networks, the amount of cables used by base stations is decreasing day by day, because a large number of remote cables or optical cables are used, which not only reduces the cost of base station construction for operators, but also makes The maintenance work is more convenient, and the volume of the base station can be greatly reduced; however, the radio frequency remote optical cable in the prior art cannot meet the needs of development, and the volume is large and the cost remains high.

Contents of the invention

In order to solve the above-mentioned problems, the object of the present invention is to disclose a wireless radio-frequency remote-optical integrated cable for power or communication, which is realized by adopting the following technical solutions.

In the first implementation example of the present invention, a wireless radio frequency remote optoelectronic integrated cable for power or communication, it includes an optical transmission unit, an electrical transmission unit and an outer sheath 91, and the electrical transmission unit consists of a first conductor layer and The second conductor layer is formed; it is characterized in that: the optical transmission unit is composed of a plurality of optical fiber units 1, a loose tube 2 covering the multiple optical fiber units, a reinforcement layer 3 evenly distributed outside the loose tube, and an extruded The inner sheath 4 is covered outside the strengthening layer; the optical transmission unit is covered with a grounding layer 5, the grounding layer is covered with an isolation layer 6, the first conductor layer 7 is located outside the isolation layer, and the first conductor layer is extruded The middle sheath 8 is plastic-coated, the second conductor layer 9 is located outside the middle sheath, and the outer sheath is extrusion-coated outside the second conductor layer; the total volume of the multiple optical fiber units accounts for 30% of the internal space volume of the loose tube 35%~75%; On the projection of the plane perpendicular to the axis of the ground layer: the first conductor layer and the second conductor layer have the same area, or the ground layer, the first conductor layer, and the second conductor layer have the same area equal areas; the optical fiber unit is an optical fiber.

In the second implementation example of the present invention, a wireless radio frequency remote optoelectronic integrated cable for power or communication, it includes an optical transmission unit, an electrical transmission unit and an outer sheath 91, and the electrical transmission unit consists of a first conductor layer and The second conductor layer is formed; it is characterized in that: the optical transmission unit is composed of a plurality of optical fiber units 1, a loose tube 2 covering the multiple optical fiber units, a reinforcement layer 3 evenly distributed outside the loose tube, and an extruded The inner sheath 4 wrapped outside the strengthening layer is composed of each optical fiber unit consisting of an optical fiber 12 and a tight cladding 11 covering the optical fiber; the optical transmission unit is covered with a grounding layer 5 and the grounding layer is covered There is an isolation layer 6, the first conductor layer 7 is located outside the isolation layer, the first conductor layer is extruded and coated with a middle sheath 8, the second conductor layer 9 is located outside the middle sheath, and the outer sheath is extruded and coated on the second Outside the second conductor layer; the total volume of multiple optical fiber units accounts for 35% to 75% of the internal space volume of the loose tube; on the projection of a plane perpendicular to the axis of the ground layer: the first conductor layer and the second conductor layer have the same area, or the ground layer, the first conductor layer, and the second conductor layer have the same area.

In the third implementation example of the present invention, a wireless radio frequency remote optoelectronic integrated cable for power or communication, it includes an optical transmission unit, an electrical transmission unit and an outer sheath 91, and the electrical transmission unit consists of a first conductor layer and The second conductor layer is formed; it is characterized in that: the optical transmission unit is composed of a plurality of optical fiber units 1, a loose tube 2 covering the multiple optical fiber units, a reinforcement layer 3 evenly distributed outside the loose tube, and an extruded The inner sheath 4 wrapped outside the strengthening layer is composed of each optical fiber unit consisting of an optical fiber 12 and a tight cladding 11 covering the optical fiber; the optical transmission unit is covered with a grounding layer 5 and the grounding layer is covered There is an isolation layer 6, the first conductor layer 7 is located outside the isolation layer, the first conductor layer is extruded and coated with a middle sheath 8, the second conductor layer 9 is located outside the middle sheath, and the outer sheath is extruded and coated on the second In addition to the second conductor layer; the total volume of multiple optical fiber units accounts for 35% to 75% of the inner space volume of the loose tube; the first conductor layer is composed of first-type convex strips 71 and first-type grooves 72 distributed at intervals , the first type of groove is circumferential and concave toward the ground layer, the surface of the first type of convex strip is higher than the surface of the first type of groove, and the first type of groove does not penetrate to the isolation layer; the second conductor layer It is composed of second-type convex strips 91 and second-type grooves 92 distributed at intervals. The second-type grooves are circumferentially looped and recessed toward the ground layer. The surface of the second-type convex strips is higher than the second-type grooves. The surface of the second type of groove does not penetrate to the ground layer; the directly below the second type of convex line corresponds to the first type of groove, the right below the second type of groove corresponds to the first type of convex line, and the right below the second type of groove corresponds to the first type of convex line. The width of the second type of convex strip is equal to the width of the first type of groove, and the width of the second type of groove is equal to the width of the first type of convex strip; the photoelectric composite cable is cut arbitrarily by the axis perpendicular to the ground layer: the second type of convex The sum of the area of the bar and the area of the first type of groove is the first cross-sectional area, the sum of the area of the second type of groove and the area of the first type of convex strip is the second cross-sectional area; all the first cross-sectional areas are equal, and all The second cross-sectional areas are equal, and all first cross-sectional areas are equal to all second cross-sectional areas.

In the fourth implementation example of the invention, a wireless radio frequency remote optoelectronic integrated cable for power or communication, it includes an optical transmission unit, an electrical transmission unit and an outer sheath 91, and the electrical transmission unit consists of a first conductor layer and a second It is composed of two conductor layers; it is characterized in that: the optical transmission unit is composed of multiple optical fiber units 1, and the multiple optical fiber units are covered with an inner sheath 4; the optical transmission unit is covered with a ground layer 5, and the ground layer is covered Covered with an isolation layer 6, the first conductor layer 7 is located outside the isolation layer, the first conductor layer is extrusion-coated with a middle sheath 8, the second conductor layer 9 is located outside the middle sheath, and the outer sheath is extrusion-coated Outside the second conductor layer; the total volume of multiple optical fiber units accounts for 35% to 75% of the volume of the inner sheath; on the projection of a plane perpendicular to the axis of the ground layer: the first conductor layer and the second conductor The layers have the same area, or the ground layer, the first conductor layer, and the second conductor layer have the same area; the optical fiber unit is an optical fiber.

The invention has the beneficial effects of simple structure, easy manufacture, lower attenuation constant, more convenient and flexible use, wider temperature adaptation range and the like.

Description of drawings

FIG. 1 is a schematic diagram of a three-dimensional structure of a section of the embodiment example 1 of the present invention after peeling off.

FIG. 2 is a schematic diagram of an enlarged cross-sectional structure of FIG. 1 .

Fig. 3 is a schematic diagram of a three-dimensional structure after peeling off a section of Example 2 of the present invention.

Fig. 4 is a schematic diagram of a three-dimensional structure after peeling off a section of Example 3 of the present invention.

Fig. 5 is a schematic diagram of the cross-sectional structure of Embodiment 4 of the present invention.

detailed description

Implementation example 1

Please see Fig. 1 and Fig. 2, a kind of electric power or communication is used for wireless radio frequency remote photoelectric integrated cable, it includes optical transmission unit, electric transmission unit and outer sheath 91, and described electric transmission unit is made up of the first conductor layer and the second It is composed of two conductor layers; it is characterized in that: the optical transmission unit is composed of eight optical fiber units 1, a loose tube 2 covering multiple optical fiber units, a reinforcement layer 3 evenly distributed outside the loose tube, and an extrusion package The inner sheath 4 is covered outside the strengthening layer; the optical transmission unit is covered with a grounding layer 5, and the grounding layer is covered with an isolation layer 6, the first conductor layer 7 is located outside the isolation layer, and the first conductor layer is extruded Coated with a middle sheath 8, the second conductor layer 9 is located outside the middle sheath, and the outer sheath is extrusion-coated outside the second conductor layer; the total volume of multiple optical fiber units accounts for 35% of the internal space volume of the loose tube %～75%; On the projection of the plane perpendicular to the axis of the ground layer: the first conductor layer and the second conductor layer have the same area, or the ground layer, the first conductor layer, and the second conductor layer have the same area The area; the optical fiber unit is an optical fiber.

Certainly, the optical fiber unit described in this implementation example may be other multiple, but at least one.

Implementation example 2

Please see Fig. 3, a kind of electric power or communication uses the wireless radio frequency remote optical composite cable, it comprises optical transmission unit, electric transmission unit and outer sheath 91, and described electric transmission unit is made up of first conductor layer and second conductor layer Composition; It is characterized in that: the optical transmission unit is composed of four optical fiber units 1, a loose tube 2 covering multiple optical fiber units, a reinforcement layer 3 evenly distributed outside the loose tube, and extrusion coating on the reinforcement Each optical fiber unit is composed of an optical fiber 12 and a tight cladding 11 covering the optical fiber; the optical transmission unit is covered with a grounding layer 5, and the grounding layer is covered with an isolation layer 6 , the first conductor layer 7 is located outside the isolation layer, the first conductor layer is extrusion-coated with a middle sheath 8, the second conductor layer 9 is located outside the middle sheath, and the outer sheath is extrusion-coated between the second conductor layer Outside; the total volume of multiple optical fiber units accounts for 35% to 75% of the internal space volume of the loose tube; on the projection of the plane perpendicular to the axis of the ground layer: the first conductor layer and the second conductor layer have the same area , or the ground layer, the first conductor layer, and the second conductor layer have equal areas.

Of course, further, in this implementation example, the optical transmission unit can also be composed of a plurality of optical fiber units 1, a strengthening layer 3 covering the plurality of optical fiber units, and an inner sheath that is extrusion-coated outside the strengthening layer 4, each optical fiber unit is composed of an optical fiber 12 and a tight cladding 11 covering the optical fiber.

Certainly, the optical fiber unit described in this implementation example may be other multiple, but at least one.

Implementation example 3

Please see Fig. 4, a kind of electric power or communication uses the wireless radio frequency remote optical composite cable, it comprises optical transmission unit, electric transmission unit and outer sheath 91, and described electric transmission unit is made up of first conductor layer and second conductor layer Composition; It is characterized in that: the optical transmission unit is composed of four optical fiber units 1, a loose tube 2 covering multiple optical fiber units, a reinforcement layer 3 evenly distributed outside the loose tube, and extrusion coating on the reinforcement Each optical fiber unit is composed of an optical fiber 12 and a tight cladding 11 covering the optical fiber; the optical transmission unit is covered with a grounding layer 5, and the grounding layer is covered with an isolation layer 6 , the first conductor layer 7 is located outside the isolation layer, the first conductor layer is extrusion-coated with a middle sheath 8, the second conductor layer 9 is located outside the middle sheath, and the outer sheath is extrusion-coated between the second conductor layer Outside; the total volume of multiple optical fiber units accounts for 35% to 75% of the internal space volume of the loose tube; the first conductor layer is composed of first-type convex strips 71 and first-type grooves 72 distributed at intervals, and the first-type The grooves are circular in the circumferential direction and are recessed toward the ground layer. The surface of the first type of convex strip is higher than the surface of the first type of groove, and the first type of groove does not penetrate to the isolation layer; the second conductor layer is distributed by phase intervals. The second-type convex strips 91 and the second-type grooves 92 are formed. The second-type grooves are circumferentially connected and recessed toward the ground layer. The surface of the second-type convex strips is higher than the surface of the second-type grooves. The second type of groove does not penetrate to the ground layer; the directly below the second type of convex line corresponds to the first type of groove, the right below the second type of groove corresponds to the first type of convex line, the second type of convex line The width of the first type of groove is equal to the width of the first type of groove, and the width of the second type of groove is equal to the width of the first type of convex strip; through the axis perpendicular to the ground layer, the photoelectric composite cable is cut arbitrarily: the area of the second type of convex strip is the same as The sum of the areas of the first type of grooves is the first cross-sectional area, the sum of the area of the second type of grooves and the area of the first type of convex lines is the second cross-sectional area; all the first cross-sectional areas are equal, and all the second cross-sectional areas Equal, all first cross-sectional areas are equal to all second cross-sectional areas.

Of course, in this implementation example, the optical transmission unit may also be composed of a plurality of optical fiber units 1, a strengthening layer 3 covering the plurality of optical fiber units, and an inner sheath 4 that is extrusion-coated outside the strengthening layer, Each optical fiber unit is composed of an optical fiber 12 and a tight cladding 11 covering the optical fiber.

Certainly, the optical fiber unit described in this implementation example may be other multiple, but at least one.

A wireless radio frequency remote photoelectric integrated cable for power or communication in this implementation example is characterized in that its manufacturing process includes the following steps:

The steps of manufacturing the finished loose tube: take polybutylene terephthalate or modified polypropylene and put it into the secondary coating machine, form a loose tube through the extrusion process, and at least one of the optical fiber and the coating The optical fiber unit formed by the tight cladding of the optical fiber is placed in the space inside the loose tube; or at least one optical fiber unit composed of an optical fiber is placed in the space inside the loose tube; the total of at least one optical fiber unit The volume accounts for 35% to 75% of the inner space volume of the loose tube, and the length of the multiple optical fiber units in the loose tube is 1.0005 to 1.001 times the length of the loose tube to form a finished loose tube;

The steps of manufacturing the optical transmission unit: take the above-mentioned processed finished loose tube, wrap the aramid yarn or nylon yarn or glass fiber yarn evenly on the outside of the finished loose tube to form a reinforcing layer, take polypropylene or polychloride Ethylene or low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke-free halogen-free polyethylene or nylon or polyurethane or rubber is extruded and coated on the outside of the reinforcing layer to form an inner sheath to complete the manufacture of the optical transmission unit ;

The steps of manufacturing the ground layer: take the metal conductor and wrap it with braid or spiral winding to form the ground layer outside the optical transmission unit;

The steps of manufacturing the isolation layer: Take polypropylene or polyvinyl chloride or low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke zero-halogen polyethylene or nylon or polyurethane or rubber extrusion coating on the grounding layer form an isolation layer;

The steps of manufacturing the first conductor layer: take the strip-shaped first conductor layer material and wrap it outside the isolation layer, and connect it by welding at the butt joints of the two edges of the strip-shaped first conductor layer, and make the first conductor layer The isolation layer is fully shielded; the first conductor layer is composed of the first type of convex strips and the first type of grooves distributed at intervals, the first type of grooves are circumferentially looped and recessed toward the ground layer, the first type of convex strips The surface of the first type of groove is higher than the surface of the first type of groove, and the first type of groove does not penetrate to the isolation layer;

The steps of manufacturing the middle sheath: take polypropylene or polyvinyl chloride or low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke halogen-free polyethylene or nylon or polyurethane or rubber extrusion coating A middle protective layer is formed outside the conductor layer;

Steps for manufacturing the second conductor layer: take the strip-shaped second conductor layer material and wrap it outside the middle sheath, connect the two edges of the strip-shaped second conductor layer by welding, and make the second conductor Layers are completely shielded from the middle sheath to form a second conductor layer; the second conductor layer is composed of second-type convex strips and second-type grooves distributed at intervals, and the second-type grooves are circumferentially looped and recessed toward the ground layer Yes, the surface of the second type of convex strip is higher than the surface of the second type of groove, and the second type of groove does not penetrate to the ground layer; directly below the second type of convex strip corresponds to the first type of groove, and the second type of groove Right below the class groove corresponds to the first class convex strip, the width of the second class convex strip is equal to the width of the first class groove, and the width of the second class groove is equal to the width of the first class convex strip; The axis of the ground layer cuts the photoelectric composite cable arbitrarily: the sum of the area of the second type of convex strip and the area of the first type of groove is the first cross-sectional area, and the area of the second type of groove and the area of the first type of convex strip The sum is the second cross-sectional area; all first cross-sectional areas are equal, all second cross-sectional areas are equal, and all first cross-sectional areas are equal to all second cross-sectional areas;

The steps of manufacturing the outer sheath: Take PVC or low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke halogen-free polyethylene or nylon or polyurethane or rubber extrusion coating on the second conductor layer The outer sheath is formed on the outside, and the manufacture of the new-type wireless radio frequency remote optoelectronic integrated cable is completed.

The above-mentioned manufacturing method of a wireless radio frequency remote optoelectronic integrated cable for power or communication is characterized in that: the step of manufacturing the first conductor layer, the step of manufacturing the middle sheath, and the step of manufacturing the second conductor layer are Carried out on the same sheath extruder, the first conductor layer and the second conductor layer are released at the same speed and pulled at the same speed. The directly below the second type of groove corresponds to the first type of convex strip.

Implementation Example 4

Please see Fig. 5, a kind of electric power or communication uses the wireless radio frequency remote optical composite cable, it comprises optical transmission unit, electric transmission unit and outer sheath 91, and described electric transmission unit is made up of first conductor layer and second conductor layer Composition; it is characterized in that: the optical transmission unit is composed of eight optical fiber units 1, and a plurality of optical fiber units are covered with an inner sheath 4; the optical transmission unit is covered with a grounding layer 5, and the grounding layer is covered with an isolation Layer 6, the first conductor layer 7 is located outside the isolation layer, the first conductor layer is extrusion-coated with a middle sheath 8, the second conductor layer 9 is located outside the middle sheath, and the outer sheath is extrusion-coated on the second conductor layer; the total volume of multiple optical fiber units accounts for 35% to 75% of the inner sheath volume; on the projection of a plane perpendicular to the axis of the ground layer: the first conductor layer and the second conductor layer have the same area, or the ground layer, the first conductor layer, and the second conductor layer have equal areas; the optical fiber unit is an optical fiber.

Certainly, the radio-frequency remote-optic integrated cable with the new structure described above is characterized in that each optical fiber unit can also be composed of an optical fiber 12 and a tight cladding 11 covering the optical fiber.

Of course, in this implementation example, a wireless radio frequency remote optoelectronic integrated cable for power or communication can also be: it includes an optical transmission unit, an electrical transmission unit and an outer sheath 91, and the electrical transmission unit consists of a first conductor layer and a second conductor layer; it is characterized in that: the optical transmission unit is composed of a plurality of optical fiber units 1 and an inner sheath 4 covering the plurality of optical fiber units, and each optical fiber unit is composed of an optical fiber 12 and a coating It consists of a tight cladding layer 11 for the optical fiber; the optical transmission unit is covered with a grounding layer 5, the grounding layer is covered with an isolation layer 6, the first conductor layer 7 is located outside the isolation layer, and the first conductor layer is extrusion-coated There is a middle sheath 8, the second conductor layer 9 is located outside the middle sheath, and the outer sheath is extruded and coated outside the second conductor layer; the total volume of multiple optical fiber units accounts for 35% of the inner sheath's internal volume. 75%; the first conductor layer is composed of the first type of convex strips 71 and the first type of grooves 72 distributed at intervals. Higher than the surface of the first type of groove, the first type of groove does not penetrate to the isolation layer; the second conductor layer is composed of the second type of convex strips 91 and the second type of groove 92 distributed at intervals, the second type of groove The grooves are circumferential and concave towards the ground layer. The surface of the second type of convex strip is higher than the surface of the second type of groove, and the second type of groove does not penetrate to the ground layer; the right below the second type of convex strip corresponds to The grooves of the first type correspond to the grooves of the first type. The width of the convex lines of the second type is equal to the width of the grooves of the first type, and the width of the grooves of the second type is equal to the width of the first type of grooves. The width of a type of convex strip; through the axis perpendicular to the ground layer, the photoelectric composite cable is arbitrarily cut: the sum of the area of the second type of convex strip and the area of the first type of groove is the first cross-sectional area, and the second type of groove The sum of the area of and the area of the first type of convex line is the second cross-sectional area; all the first cross-sectional areas are equal, all the second cross-sectional areas are equal, and all the first cross-sectional areas are equal to all the second cross-sectional areas.

Certainly, the optical fiber unit described in this implementation example may be other multiple, but at least one.

A wireless radio frequency remote photoelectric integrated cable for power or communication in this implementation example is characterized in that its manufacturing process includes the following steps:

The steps of manufacturing the optical transmission unit: take polypropylene or polyvinyl chloride or low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke halogen-free polyethylene or nylon or polyurethane or rubber extrusion through extrusion tube The process forms the inner sheath, and puts at least one optical fiber unit composed of an optical fiber and a tight cladding covering the optical fiber into the gap inside the inner sheath; or puts at least one optical fiber unit composed of an optical fiber into In the gap inside the inner sheath; make the total volume of at least one optical fiber unit account for 35% to 75% of the inner space volume of the inner sheath, and the length of multiple optical fiber units in the inner sheath is 1.0005 to the length of the loose tube 1.001 times, forming an optical transmission unit;

The steps of manufacturing the ground layer: take the metal conductor and wrap it with braid or spiral winding to form the ground layer outside the optical transmission unit;

The steps of manufacturing the isolation layer: Take polypropylene or polyvinyl chloride or low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke zero-halogen polyethylene or nylon or polyurethane or rubber extrusion coating on the grounding layer form an isolation layer;

The steps of manufacturing the first conductor layer: take the strip-shaped first conductor layer material and wrap it outside the isolation layer, and connect it by welding at the butt joints of the two edges of the strip-shaped first conductor layer, and make the first conductor layer The isolation layer is fully shielded; the first conductor layer is composed of the first type of convex strips and the first type of grooves distributed at intervals, the first type of grooves are circumferentially looped and recessed toward the ground layer, the first type of convex strips The surface of the first type of groove is higher than the surface of the first type of groove, and the first type of groove does not penetrate to the isolation layer;

The steps of manufacturing the middle sheath: take polypropylene or polyvinyl chloride or low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke halogen-free polyethylene or nylon or polyurethane or rubber extrusion coating A middle protective layer is formed outside the conductor layer;

Steps for manufacturing the second conductor layer: take the strip-shaped second conductor layer material and wrap it outside the middle sheath, connect the two edges of the strip-shaped second conductor layer by welding, and make the second conductor Layers are completely shielded from the middle sheath to form a second conductor layer; the second conductor layer is composed of second-type convex strips and second-type grooves distributed at intervals, and the second-type grooves are circumferentially looped and recessed toward the ground layer Yes, the surface of the second type of convex strip is higher than the surface of the second type of groove, and the second type of groove does not penetrate to the ground layer; directly below the second type of convex strip corresponds to the first type of groove, and the second type of groove Right below the class groove corresponds to the first class convex strip, the width of the second class convex strip is equal to the width of the first class groove, and the width of the second class groove is equal to the width of the first class convex strip; The axis of the ground layer cuts the photoelectric composite cable arbitrarily: the sum of the area of the second type of convex strip and the area of the first type of groove is the first cross-sectional area, and the area of the second type of groove and the area of the first type of convex strip The sum is the second cross-sectional area; all first cross-sectional areas are equal, all second cross-sectional areas are equal, and all first cross-sectional areas are equal to all second cross-sectional areas;

The steps of manufacturing the outer sheath: Take PVC or low-density polyethylene or medium-density polyethylene or high-density polyethylene or low-smoke halogen-free polyethylene or nylon or polyurethane or rubber extrusion coating on the second conductor layer The outer sheath is formed on the outside, and the manufacture of the new-type wireless radio frequency remote optoelectronic integrated cable is completed.

The above-mentioned manufacturing method of a wireless radio frequency remote optoelectronic integrated cable for power or communication is characterized in that: the step of manufacturing the first conductor layer, the step of manufacturing the middle sheath, and the step of manufacturing the second conductor layer are Carried out on the same sheath extruder, the first conductor layer and the second conductor layer are released at the same speed and pulled at the same speed. The directly below the second type of groove corresponds to the first type of convex strip.

A remote radio-frequency optical-electrical integrated cable for electric power or communication as described in any of the above implementation examples is characterized in that the optical fiber is a silica optical fiber or a plastic optical fiber.

The remote radio-frequency optical-electrical integrated cable for electric power or communication as described in any of the above implementation examples is characterized in that the optical fiber is a single-mode optical fiber or a multi-mode optical fiber.

Further, the above-mentioned wireless radio frequency remote optoelectronic integrated cable for power or communication is characterized in that the type of the optical fiber is G.652 type or G.653 type or G.654 type or G.655 type Or G.656 type or G.657 type or A1a type or A1b type or A1c type or A1d type or OM1 type or OM2 type or OM3 type.

A wireless remote radio-optical integrated cable for electric power or communication as described in any of the above implementation examples is characterized in that the material of the inner sheath is polypropylene or polyvinyl chloride or low-density polyethylene or medium-density polyethylene Or high-density polyethylene or low smoke halogen-free polyethylene or nylon or polyurethane or rubber.

A wireless remote radio-optical integrated cable for electric power or communication described in any of the above-mentioned implementation examples is characterized in that the material of the isolation layer is polypropylene or polyvinyl chloride or low-density polyethylene or medium-density polyethylene or High density polyethylene or low smoke halogen free polyethylene or nylon or polyurethane or rubber.

A wireless remote radio-optical integrated cable for electric power or communication described in any of the above implementation examples is characterized in that the material of the middle sheath is polypropylene or polyvinyl chloride or low-density polyethylene or medium-density polyethylene Or high-density polyethylene or low smoke halogen-free polyethylene or nylon or polyurethane or rubber.

A wireless remote radio-optical integrated cable for power or communication described in any of the above implementation examples is characterized in that the material of the outer sheath is polyvinyl chloride or low-density polyethylene or medium-density polyethylene or high-density Polyethylene or LSZHPE or nylon or polyurethane or rubber.

The wireless remote radio-optical integrated cable for power or communication described in any of the above implementation examples is characterized in that the ground layer is conductive.

The above-mentioned radio frequency remote optoelectronic integrated cable for electric power or communication is characterized in that the material of the loose tube is polybutylene terephthalate or modified polypropylene or steel or aluminum.

The above-mentioned radio frequency remote optoelectronic integrated cable for electric power or communication is characterized in that the material of the reinforcing layer is aramid yarn or nylon yarn or glass fiber yarn.

The above-mentioned radio frequency remote optoelectronic integrated cable for electric power or communication is characterized in that the material of the tight covering layer is polyvinyl chloride or nylon or polytetrafluoroethylene or thermoplastic elastomer.

A wireless radio remote photoelectric integrated cable for power or communication described in any of the above implementation examples is characterized in that the first conductor layer and the second conductor layer are both conductive, continuous, and conduction of.

In the present invention, the first conductor layer and the second conductor layer have the same cross-sectional area, so that the photoelectric composite cable can transmit single-phase power load; it has a wiring layer, which can be conveniently grounded, protects the photoelectric composite cable from lightning strikes and reduces the risk of lightning strikes Influence; when the ground layer has the same cross-sectional area as the first conductor layer and the second conductor layer, it can be used as a three-phase power supply, so it is quite flexible to use.

In the present invention, when the first conductor layer is composed of the first type of convex strips and the first type of grooves distributed at intervals, and the second conductor layer is composed of the second type of convex strips and the second type of grooves distributed at intervals, it can be used as The use of radio frequency lines; due to the synergistic effect of the first type of convex strips, the first type of grooves, the second type of convex strips and the second type of grooves, when the conductor layer in the present invention is used as a coaxial cable, the 75Ω nominal characteristic Impedance value, 30MHz attenuation constant ≤ 1.5dB/100m, 200MHz attenuation constant ≤ 3.0dB/100m, 800MHz attenuation constant ≤ 8.0dB/100m, 1000MHz attenuation constant ≤ 12.0dB/100m, 2000MHz attenuation constant ≤ 15.0 dB/100m, 3000MHz attenuation constant ≤ 18.0dB/100m; and in the prior art, when 75Ω nominal characteristic impedance value, 30MHz attenuation constant ≤ 2.0dB/100m, 200MHz attenuation constant ≤ 4.0dB/100m, 800MHz Attenuation constant ≤ 12.0dB/100m, 1000MHz attenuation constant ≤ 20.0dB/100m, 2000MHz attenuation constant ≤ 30.0dB/100m, 3000MHz attenuation constant ≤ 40.0dB/100m; therefore, the attenuation constant is significantly reduced, so the wireless The radio frequency remote optoelectronic integrated cable can transmit longer distances.

In the present invention, the total volume of the multiple optical fiber units accounts for 35% to 75% of the volume of the inner space of the loose tube or the inner sheath, so that the optical unit can have a larger range of motion in the loose tube or the inner sheath, so that The optical fiber unit can adapt to a wide temperature range. According to tests, within the range of -80°C to +150°C, the absolute value of the attenuation value of the optical fiber in the optical fiber unit in the present invention is only 0.025dB/km at most, which reaches the ideal The use effect; expand the scope of application, so that the maintenance cost is lower.

The manufacturing method in the present invention is simple and easy to grasp, and the investment in equipment is low.

Therefore, the present invention has beneficial effects such as simple structure, easy manufacture, lower attenuation constant, more convenient and flexible use, and wider temperature adaptation range.

The present invention is not limited to the best implementation mode above, it should be understood that the concept of the present invention can be implemented in other forms, and they also fall within the protection scope of the present invention.

Claims (8)

1. a kind of electric power or communication use remote radio head optoelectrical cable, it include optical transmission unit, electrical transmission unit and Oversheath, the electrical transmission unit are made up of the first conductor layer and the second conductor layer；It is characterized in that：The optical transmission unit by Multifiber unit, the inner sheath for enveloping multifiber unit are constituted, and every fiber unit by optical fiberss and is enveloped Fibre-optic hard-pressed bale layer is constituted；Optical transmission unit is coated with ground plane, ground plane and is coated with sealing coat, the first conductor layer It is located at that sealing coat is outer, the outer extrusion molding of the first conductor layer is coated with middle sheath, the second conductor layer positioned at middle sheath is outer, oversheath extrusion molding bag Overlay on outside the second conductor layer；The cumulative volume of multifiber unit accounts for the 35%～75% of inner sheath inner space volume；First leads Body layer is made up of the first kind raised line and first kind groove that are separately distributed, and first kind groove is that circumferential ring leads to and to ground plane side To depression, the surface of first kind raised line is higher by the surface of first kind groove, and first kind groove does not penetrate into sealing coat；Second Conductor layer is made up of the Equations of The Second Kind raised line and Equations of The Second Kind groove that are separately distributed, and Equations of The Second Kind groove is that circumferential ring leads to and to ground plane Direction depression, the surface of Equations of The Second Kind raised line is higher by the surface of Equations of The Second Kind groove, and Equations of The Second Kind groove does not penetrate into ground plane；The It is first kind groove that the underface of two class raised lines is corresponding, and it is first kind raised line that the underface of Equations of The Second Kind groove is corresponding, second The width of class raised line is equal to the width of first kind groove, and the width of Equations of The Second Kind groove is equal to the width of first kind raised line；Cross vertical The optoelectrical cable is arbitrarily cut in the axis of ground plane：The area of Equations of The Second Kind raised line with the area sum of first kind groove is First sectional area, the area of Equations of The Second Kind groove are the second sectional area with the area sum of first kind raised line；All first sectional areas Equal, all second sectional areas are equal, and all first sectional areas are equal with all second sectional areas.

2. remote radio head optoelectrical cable is used in a kind of electric power according to claim 1 or communication, it is characterised in that institute It is silica fibre or plastic optical fiber to state optical fiberss.

3. remote radio head optoelectrical cable is used in a kind of electric power according to claim 2 or communication, it is characterised in that institute It is single-mode fiber or multimode fibre to state optical fiberss.

4. a kind of electric power according to claim 1 or claim 2 or claim 3 or communication remote radio head light Electric comprehensive cable, it is characterised in that the fibre-optic type be G.652 type or G.653 type G.654 type or G.655 type or G.656 type or G.657 type or A1a types or A1b types or A1c types or A1d types or OM1 types or OM2 types or OM3 types.

5. remote radio head optoelectrical cable is used in a kind of electric power according to claim 4 or communication, it is characterised in that institute The material for stating inner sheath be polypropylene or polrvinyl chloride or Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or Low smoke and zero halogen polyethylene or nylon or polyurethane or rubber.

6. remote radio head optoelectrical cable is used in a kind of electric power according to claim 5 or communication, it is characterised in that institute The material for stating sealing coat be polypropylene or polrvinyl chloride or Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or Low smoke and zero halogen polyethylene or nylon or polyurethane or rubber, the material of the middle sheath is polypropylene or polrvinyl chloride or low-density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or low smoke and zero halogen polyethylene or nylon or polyurethane or rubber, described outer The material of sheath is polrvinyl chloride or Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or the poly- second of low smoke and zero halogen Alkene or nylon or polyurethane or rubber.

7. a kind of electric power or the communication manufacture method of remote radio head optoelectrical cable, it is characterised in that it includes following step Suddenly：

The step of manufacture optical transmission unit：Take polypropylene or polrvinyl chloride or Low Density Polyethylene or medium density polyethylene or highly dense Spend polyethylene or low smoke and zero halogen polyethylene or nylon or polyurethane or rubber extrusion molding inner sheath is formed by squeezing tube process, and will At least one by optical fiberss and envelopes the space that the fiber unit that fibre-optic hard-pressed bale layer constitutes is inserted inside inner sheath In；Or by least one space that is inserted inside inner sheath by the fiber unit that optical fiberss are constituted；Make at least one light The cumulative volume of fine unit accounts for the 35%～75% of inner sheath inner space volume, length of the multifiber unit in inner sheath for pine 1.0005～1.001 times of casing length, form optical transmission unit；

The step of manufacture ground plane：Take metallic conductor braiding cladding or spiral winding is coated on outside optical transmission unit and forms ground connection Layer；

The step of manufacture sealing coat：Take polypropylene or polrvinyl chloride or Low Density Polyethylene or medium density polyethylene or high density is poly- Ethylene or low smoke and zero halogen polyethylene or nylon or polyurethane or rubber extrusion molding are coated on outside ground plane and form sealing coat；

The step of manufacturing the first conductor layer：The first conductor layer material for taking banding is coated on outside sealing coat, the first of banding Conductor layer two edges joint is attached by the way of welding, and makes the first conductor layer to sealing coat full-shield；Wherein One conductor layer is made up of the first kind raised line and first kind groove that are separately distributed, and first kind groove is that circumferential ring leads to and to ground connection Layer direction depression, the surface of first kind raised line is higher by the surface of first kind groove, and first kind groove does not penetrate into sealing coat；

In manufacture the step of sheath：Take polypropylene or polrvinyl chloride or Low Density Polyethylene or medium density polyethylene or high density is poly- Ethylene or low smoke and zero halogen polyethylene or nylon or polyurethane or rubber extrusion molding are coated on sheath in being formed outside the first conductor layer；

The step of manufacturing the second conductor layer：The second conductor layer material for taking banding is coated on outside middle sheath, the second of banding Conductor layer two edges joint is attached by the way of welding, and makes the second conductor layer centering sheath full-shield form second Conductor layer；Wherein the second conductor layer is made up of the Equations of The Second Kind raised line and Equations of The Second Kind groove that are separately distributed, and Equations of The Second Kind groove is week Xiang Huantong and to ground plane direction depression, the surface of Equations of The Second Kind raised line is higher by the surface of Equations of The Second Kind groove, and Equations of The Second Kind groove is simultaneously Non-through to ground plane；It is first kind groove that the underface of Equations of The Second Kind raised line is corresponding, and the underface of Equations of The Second Kind groove is corresponding It is first kind raised line, the width of Equations of The Second Kind raised line is equal to the width of first kind groove, the width of Equations of The Second Kind groove is equal to the first kind The width of raised line；Cross the axis perpendicular to ground plane and arbitrarily cut the optoelectrical cable：The area of Equations of The Second Kind raised line and first The area sum of class groove is the first sectional area, and the area of Equations of The Second Kind groove is the second section with the area sum of first kind raised line Product；All first sectional areas are equal, and all second sectional areas are equal, and all first sectional areas are equal with all second sectional areas；

The step of manufacture oversheath：Take polrvinyl chloride or Low Density Polyethylene or medium density polyethylene or high density polyethylene (HDPE) or low Cigarette halogen-free polyvinyl or nylon or polyurethane or rubber extrusion molding are coated on outside the second conductor layer and form oversheath, complete electric power or Manufacture of the communication with remote radio head optoelectrical cable.

8. a kind of electric power according to claim 7 or the communication manufacture method of remote radio head optoelectrical cable, its Be characterised by described manufacture the first conductor layer the step of, manufacture in sheath the step of, manufacture the second conductor layer the step of be with Carry out on one sheath extruding machine, the first conductor layer, the second conductor layer are released with same speed, same speed drawing, During releasing, the underface of Equations of The Second Kind raised line is corresponding with first kind groove, Equations of The Second Kind groove underface is corresponding with first kind raised line.