CN117849973B - Optical fiber ribbon cable and photoelectric composite optical fiber ribbon cable - Google Patents
Optical fiber ribbon cable and photoelectric composite optical fiber ribbon cable Download PDFInfo
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- CN117849973B CN117849973B CN202410258169.0A CN202410258169A CN117849973B CN 117849973 B CN117849973 B CN 117849973B CN 202410258169 A CN202410258169 A CN 202410258169A CN 117849973 B CN117849973 B CN 117849973B
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 86
- 239000002131 composite material Substances 0.000 title claims abstract description 7
- 230000002787 reinforcement Effects 0.000 claims abstract description 61
- 230000003287 optical effect Effects 0.000 claims abstract description 47
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 14
- 239000011241 protective layer Substances 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 63
- 239000004020 conductor Substances 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 5
- 239000010410 layer Substances 0.000 claims description 3
- 230000005693 optoelectronics Effects 0.000 abstract 1
- 230000004308 accommodation Effects 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000011152 fibreglass Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- -1 polybutylene terephthalate Polymers 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 229920001179 medium density polyethylene Polymers 0.000 description 2
- 239000004701 medium-density polyethylene Substances 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Abstract
The invention belongs to the technical field of cables, and particularly relates to an optical fiber ribbon cable which is provided with an outer protective layer, six optical communication units and a central reinforcing member, wherein the six optical communication units are positioned around the central reinforcing member and form a cable core, and the outer protective layer is extruded outside the cable core, and the optical fiber ribbon cable is characterized in that: the optical communication unit is composed of a loose tube, a plurality of optical fiber ribbons and a positioning reinforcing piece, wherein the loose tube is composed of two loose tube bodies; in the same cross section, two loose tube main bodies are spliced with each other to form regular hexagons, and are fixed through positioning reinforcement, and the optical fiber ribbon is located the both sides of positioning reinforcement, and the center reinforcement is regular hexagons, and six optical communication units are laminated with six limits of center reinforcement respectively, and adjacent two optical communication units are laminated each other. The invention also discloses an optoelectronic composite optical fiber ribbon cable. The optical fiber ribbon taking device has the advantages of simple structure, convenience in taking optical fiber ribbons, stable loose tube shape, strong mechanical property and the like.
Description
Technical Field
The invention belongs to the technical field of optical cables, and particularly relates to an optical fiber ribbon optical cable and a photoelectric composite optical fiber ribbon optical cable.
Background
In the prior art, as CN116609903a discloses an optical fiber ribbon cable with a plug unit, which has an outer sheath and an inner sheath, the outer sheath is located outside the inner sheath, and its characterized in that: the inner protective layer is internally provided with a plug-in unit, the plug-in unit is provided with an integrally formed plug-in unit protective layer, and the plug-in unit protective layer is composed of a connecting component, a first accommodating body positioned on the right side below the connecting component and a third accommodating body positioned on the left side below the connecting component; the first accommodating body is composed of a first right side wall, a first left side wall and a first lower side wall, two ends of the first lower side wall are respectively fixed with the lower end of the first right side wall and the lower end of the first left side wall, the upper end of the first right side wall and the upper end of the first left side wall are respectively fixed with the lower wall of the connecting part, and a first accommodating cavity is formed among the first right side wall, the first left side wall, the first lower side wall and the connecting part; the third accommodation body comprises a third right side wall, a third left side wall and a third lower side wall, two ends of the third lower side wall are respectively fixed with the lower end of the third right side wall and the lower end of the third left side wall, the upper end of the third right side wall and the upper end of the third left side wall are respectively fixed with the lower wall of the connecting part, a third accommodation cavity is formed among the third right side wall, the third left side wall, the third lower side wall and the connecting part, and optical fiber belts formed by combining a plurality of optical fibers are arranged in the first accommodation cavity and the third accommodation cavity.
The prior art has the following defects: 1. the optical fiber ribbon in the plugging unit is inconvenient to take; 2. the plug-in unit and the whole optical cable have poor mechanical properties.
Disclosure of Invention
In order to solve the above problems, the present invention aims to disclose an optical fiber ribbon cable and an optical-electrical composite optical fiber ribbon cable, which are realized by adopting the following technical schemes.
An optical fiber ribbon cable having an outer jacket, six optical communication units and a central reinforcement, the six optical communication units being positioned about the central reinforcement and forming a cable core, the outer jacket extruded over the cable core, characterized in that: the optical communication unit is composed of a loose tube, a plurality of optical fiber ribbons and a positioning reinforcing piece, wherein the loose tube is composed of two loose tube bodies;
In the same cross section, the loose tube main body is composed of a first protection wall, a second protection wall, a third protection wall, a limiting and supporting component, a fourth protection wall and a sixth protection wall, wherein one end of the first protection wall is connected with one end of the second protection wall, the first protection wall and the second protection wall form 120 degrees, the other end of the second protection wall is connected with one end of the third protection wall, the second protection wall and the third protection wall form 120 degrees, one end of the fourth protection wall is connected with the upper side wall of the third protection wall, the other end of the fourth protection wall is provided with a limiting and supporting component, one end of the sixth protection wall is connected with the upper side wall of the third protection wall, the fourth protection wall and the sixth protection wall are parallel, an included angle between the fourth protection wall and the second protection wall is 60 degrees, a first containing groove is formed between the fourth protection wall and the first protection wall, the connecting position of the fourth protection wall and the third protection wall is 120 degrees, and the distance between the connecting position of the third protection wall and the limiting and supporting component is the same;
The fourth protection wall and the sixth protection wall of one loose tube main body are inserted into the first accommodating groove of the other loose tube main body, the other end of the fourth protection wall and the other end of the sixth protection wall of the one loose tube main body are respectively attached to the second protection wall of the other loose tube main body, the other end of the third protection wall of the one loose tube main body is attached to the other end of the first protection wall of the other loose tube main body, the second protection wall of the one loose tube main body is attached to the limit supporting part of the other loose tube main body, the end part of the limit supporting part of the other loose tube main body is embedded between the second protection wall and the fourth protection wall of the one loose tube main body, the end part of the limit supporting part of the other loose tube main body is attached to the third protection wall between the second protection wall and the fourth protection wall of the one loose tube main body, a positioning reinforcing piece accommodating cavity is formed between the two fourth protection walls, the first protection wall, the second protection wall and the third protection wall of the two loose tube main bodies form a positive positioning piece accommodating cavity, the positioning reinforcing piece is positioned between the second protection wall and the second protection wall of the corresponding to the fourth protection wall, and the positioning reinforcing piece is positioned between the second protection wall and the fourth protection wall and the sixth protection wall respectively;
The center reinforcement is regular hexagon, six optical communication units are respectively attached to six sides of the center reinforcement, and two adjacent optical communication units are attached to each other.
The above-mentioned optical fiber ribbon cable, its characterized in that: at least one fifth protection wall is arranged between the fourth protection wall and the sixth protection wall, and one end of the fifth protection wall is connected with the upper side wall of the third protection wall;
when the optical fiber ribbon is provided with a fifth protection wall, a second containing groove is formed between the fourth protection wall and the fifth protection wall, a third containing groove is formed between the fifth protection wall and the sixth protection wall, and an optical fiber ribbon is respectively arranged in the second containing groove and the third containing groove;
When a plurality of fifth protection walls are arranged, a second accommodating groove is formed between the fourth protection wall and the adjacent fifth protection wall, a third accommodating groove is formed between the sixth protection wall and the adjacent fifth protection wall, a fourth accommodating groove is formed between the adjacent two fifth protection walls, and an optical fiber ribbon is respectively arranged in the second accommodating groove, the third accommodating groove and the fourth accommodating groove.
The above-mentioned optical fiber ribbon cable, its characterized in that: the fifth protective wall and the fourth protective wall are parallel.
The above-mentioned optical fiber ribbon cable, its characterized in that: the other end of the fifth protective wall is attached to the second protective wall of the other loose tube main body.
The above-mentioned optical fiber ribbon cable, its characterized in that: the sixth protective wall of one loose tube body is attached to the first protective wall of the other loose tube body.
The above-mentioned optical fiber ribbon cable, its characterized in that: a filling component is arranged between two adjacent optical communication units and the outer protective layer.
An optical fiber ribbon cable having an outer jacket and three optical communication units forming a cable core, the outer jacket extruded outside the cable core, characterized in that: the optical communication unit is composed of a loose tube, a plurality of optical fiber ribbons and a positioning reinforcing piece, wherein the loose tube is composed of two loose tube bodies;
In the same cross section, the loose tube main body is composed of a second protection wall, a third protection wall, a limiting support component, a fourth protection wall and a sixth protection wall, one end of the second protection wall is connected with one end of the third protection wall, the second protection wall and the third protection wall form 120 degrees, one end of the fourth protection wall is connected with the upper side wall of the third protection wall, an included angle between the fourth protection wall and the second protection wall is 60 degrees, the other end of the fourth protection wall is provided with the limiting support component, the sixth protection wall is connected with the upper side wall of the third protection wall, a first containing groove is formed between the fourth protection wall and the second protection wall, the connecting position of the fourth protection wall and the third protection wall, and the distance between the connecting position of the second protection wall and the connecting position of the third protection wall is the same as the width of the end part of the limiting support component;
The fourth protection wall and the sixth protection wall of one loose tube main body are inserted into the first accommodating groove of the other loose tube main body, the other end of the fourth protection wall of the one loose tube main body is attached to the second protection wall of the other loose tube main body, the sixth protection wall of the one loose tube main body is abutted to the second protection wall of the other loose tube main body, the second protection wall of the one loose tube main body is attached to the limit supporting part of the other loose tube main body, the end part of the limit supporting part of the other loose tube main body is embedded between the second protection wall and the fourth protection wall of the one loose tube main body, the end part of the limit supporting part of the other loose tube main body is attached to the third protection wall between the second protection wall and the fourth protection wall of the one loose tube main body, a positioning reinforcement accommodating cavity is formed between the two fourth protection walls, the second protection wall and the third protection wall of the two loose tube main bodies are abutted to each other, the positioning reinforcement is located in the positioning reinforcement accommodating cavity, the outer wall of the positioning reinforcement is respectively attached to the corresponding second protection wall and the two limit supporting parts of the two diamond-shaped protection walls, and the positioning reinforcement is located between the two right diamond-shaped protection walls and the second protection wall and the right-side wall of the second protection wall.
The above-mentioned optical fiber ribbon cable, its characterized in that: at least one fifth protection wall is arranged between the fourth protection wall and the sixth protection wall, and one end of the fifth protection wall is connected with the upper side wall of the third protection wall;
when the optical fiber ribbon is provided with a fifth protection wall, a second containing groove is formed between the fourth protection wall and the fifth protection wall, a third containing groove is formed between the fifth protection wall and the sixth protection wall, and an optical fiber ribbon is respectively arranged in the second containing groove and the third containing groove;
When a plurality of fifth protection walls are arranged, a second accommodating groove is formed between the fourth protection wall and the adjacent fifth protection wall, a third accommodating groove is formed between the sixth protection wall and the adjacent fifth protection wall, a fourth accommodating groove is formed between the adjacent two fifth protection walls, and an optical fiber ribbon is respectively arranged in the second accommodating groove, the third accommodating groove and the fourth accommodating groove.
The above-mentioned optical fiber ribbon cable, its characterized in that: the fifth protective wall and the fourth protective wall are parallel.
The above-mentioned optical fiber ribbon cable, its characterized in that: the third side of the sixth protection wall is connected with the upper side wall of the third protection wall, the first side of the sixth protection wall is parallel to the fourth protection wall, the second side of the sixth protection wall of one loose tube body is attached to the second protection wall of the other loose tube body, the other end of the second protection wall is provided with a limiting component, the end of the limiting component of one loose tube body is attached to the other end of the third protection wall of the other loose tube body, and the apex angle between the second side and the third side of the sixth protection wall of the one loose tube body is inserted into the included angle between the second protection wall and the limiting component of the other loose tube body.
The above-mentioned optical fiber ribbon cable, its characterized in that: the other end of the fifth protective wall is attached to the second protective wall of the other loose tube main body.
The above-mentioned optical fiber ribbon cable, its characterized in that: a tensile member is disposed within the sixth protective wall.
The above-mentioned optical fiber ribbon cable, its characterized in that: the outer protective layer material is high-density polyethylene or medium-density polyethylene or low-density polyethylene.
The above-mentioned optical fiber ribbon cable, its characterized in that: the optical fiber ribbon is formed by combining at least two optical fibers.
The above-mentioned optical fiber ribbon cable, its characterized in that: the loose tube main body material is polybutylene terephthalate or modified polypropylene.
The above-mentioned optical fiber ribbon cable, its characterized in that: the central reinforcement is a steel wire or glass fiber reinforced plastic rod.
The above-mentioned optical fiber ribbon cable, its characterized in that: the tensile part is a steel wire or glass fiber reinforced plastic rod.
The application has the following beneficial effects:
1. the loose tube is provided with the positioning reinforcement, the shape of the loose tube can be supported in the width direction of the positioning reinforcement, the compression resistance is achieved, and meanwhile the tensile property of the loose tube is improved.
2. The optical fiber ribbons are positioned in the second accommodation groove or the third accommodation groove or the fourth accommodation groove at intervals, so that the optical fiber ribbons are prevented from being extruded mutually to influence the transmission performance of optical fibers in the optical fiber ribbons.
3. The positioning reinforcement divides the loose tube into two parts, and optical fiber ribbons with different types of optical fibers can be placed on both sides of the positioning reinforcement.
4. The positioning reinforcement is positioned in the positioning reinforcement accommodating cavity and also plays a role in fixing the positions of the two loose tube main bodies and stabilizing the shape of the loose tube.
5. The cross sections of the three positioning reinforcing pieces are in a structure from the center of the cable core to the outside, so that the compressive strength of the optical cable is stronger.
6. The tensile members are arranged and distributed around the cable core, so that when the optical cable is subjected to tensile force, the tensile force is distributed more uniformly, and the tensile capacity is stronger.
7. The loose tube is formed by splicing two loose tube bodies, when the optical fiber ribbon is taken, the optical fiber ribbon can be taken without cutting by a cutter, the construction is convenient, and the loose tube bodies are reused.
Drawings
Fig. 1 is a schematic perspective view of a section of embodiment 1.
Fig. 2 is a schematic structural view of the end face of embodiment 1.
Fig. 3 is a schematic perspective view of a section of the optical communication unit of embodiment 1.
Fig. 4 is a schematic diagram of the structure of the end face of the optical communication unit of embodiment 1.
Fig. 5 is a schematic structural view of an end face of the loose tube of example 1.
Fig. 6 is a schematic structural view of an end face of the loose tube main body of embodiment 1.
Fig. 7 is a schematic perspective view of a section of embodiment 2.
Fig. 8 is a schematic structural view of the end face of embodiment 2.
Fig. 9 is a schematic perspective view of a section of an optical communication unit of embodiment 2.
Fig. 10 is a schematic diagram of the structure of the end face of the optical communication unit of embodiment 2.
Fig. 11 is a schematic structural view of an end face of the loose tube main body of embodiment 2.
Fig. 12 is a schematic structural view of the end face of embodiment 3.
Fig. 13 is a schematic structural view of an end face of the loose tube main body of embodiment 3.
In the figure: 1. outer jacket, 2, optical communication unit, 21, loose tube, 211, first protective wall, 212, second protective wall, 213, third protective wall, 214, first receiving slot, 215, spacing support member, 216, fourth protective wall, 217, second receiving slot, 218, fifth protective wall, 219, third receiving slot, 210, sixth protective wall, 2101, first side, 2102, second side, 2103, third side, 2110, fourth receiving slot, 2111, spacing member, 2112, tension member, 22, fiber optic ribbon, 23, positioning reinforcement, 24, positioning reinforcement receptacle, 3, center reinforcement, 4, filler member, angle between a fourth protective wall and second protective wall.
Detailed Description
Example 1
As shown in fig. 1 to 6, an optical fiber ribbon cable has an outer sheath 1, six optical communication units 2 and a central reinforcing member 3, the six optical communication units 2 are located around the central reinforcing member 3 and form a cable core, and the outer sheath 1 is extruded outside the cable core, characterized in that: the optical communication unit 2 is composed of a loose tube 21, four optical fiber ribbons 22 and a positioning reinforcement 23, wherein the loose tube 21 is composed of two loose tube bodies;
In the same cross section, the loose tube main body is composed of a first protection wall 211, a second protection wall 212, a third protection wall 213, a limit supporting component 215, a fourth protection wall 216, a fifth protection wall 218 and a sixth protection wall 210, wherein one end of the first protection wall 211 is connected with one end of the second protection wall 212, the first protection wall 211 is 120 degrees with the second protection wall 212, the other end of the second protection wall 212 is connected with one end of the third protection wall 213, the second protection wall 212 is 120 degrees with the third protection wall 213, one end of the fourth protection wall 216 is connected with the upper side wall of the third protection wall 213, the other end of the fourth protection wall 216 is provided with a limit supporting component 215, one end of the fifth protection wall 218 is connected with the upper side wall of the third protection wall 213, one end of the sixth protection wall 210 is connected to the upper side wall of the third protection wall 213, the fifth protection wall 218 is located between the fourth protection wall 216 and the sixth protection wall 210, the fourth protection wall 216, the fifth protection wall 218 and the sixth protection wall 210 are parallel, the included angle α between the fourth protection wall 216 and the second protection wall 212 is 60 °, a first accommodation groove 214 is formed between the fourth protection wall 216 and the first protection wall 211, a second accommodation groove 217 is formed between the fourth protection wall 216 and the fifth protection wall 218, a third accommodation groove 219 is formed between the fifth protection wall 218 and the sixth protection wall 210, and the distance between the junctions of the fourth protection wall 216 and the third protection wall 213 and the junctions of the second protection wall 212 and the third protection wall 213 is the same as the width of the end of the limit supporting member 215;
The fourth, fifth and sixth protective walls 216, 218 and 210 of one loose tube body are inserted into the first receiving groove 214 of the other loose tube body, the other end of the fourth, fifth and sixth protective walls 216, 218 and 210 of one loose tube body are respectively engaged with the second protective wall 212 of the other loose tube body, the other end of the third protective wall 213 of one loose tube body is engaged with the other end of the first protective wall 211 of the other loose tube body, the sixth protective wall 210 of one loose tube body is engaged with the first protective wall 211 of the other loose tube body, the second protective wall 212 of one loose tube body is engaged with the limit supporting member 215 of the other loose tube body, the end of the limit supporting part 215 of the other loose tube body is embedded between the second protecting wall 212 and the fourth protecting wall 216 of the one loose tube body, the end of the limit supporting part 215 of the other loose tube body is attached to the third protecting wall 213 between the second protecting wall 212 and the fourth protecting wall 216 of the one loose tube body, a locating reinforcement accommodating cavity 24 is formed between the two fourth protecting walls 216, the first protecting wall 211, the second protecting wall 212 and the third protecting wall 213 of the two loose tube bodies enclose a regular hexagon, the locating reinforcement 23 is positioned in the locating reinforcement accommodating cavity 24, the outer wall of the locating reinforcement 23 is attached to the corresponding two fourth protecting walls 216 and the two limit supporting parts 215, and the second accommodating groove 217 and the third accommodating groove 219 are respectively provided with an optical fiber ribbon;
the center reinforcement 3 is regular hexagon, six optical communication units 2 are respectively attached to six sides of the center reinforcement 3, two adjacent optical communication units 2 are attached to each other, and a filling component 4 is arranged between the two adjacent optical communication units 2 and the outer protection layer 1.
Example 2
As shown in fig. 7 to 11, an optical fiber ribbon cable has an outer sheath 1 and three optical communication units 2, wherein the three optical communication units 2 form a cable core, and the outer sheath 1 is extruded outside the cable core, and is characterized in that: the optical communication unit 2 is composed of a loose tube 21, eight optical fiber ribbons 22 and a positioning reinforcement 23, wherein the loose tube 21 is composed of two loose tube bodies;
in the same cross section, the loose tube main body is composed of a second protection wall 212, a third protection wall 213, a limit supporting member 215, a fourth protection wall 216, three fifth protection walls 218 and a sixth protection wall 210, one end of the second protection wall 212 is connected with one end of the third protection wall 213, the other end of the second protection wall 212 is provided with a limit member 2111, the second protection wall 212 is connected with the upper side wall of the third protection wall 213, 120 DEG is formed between one end of the fourth protection wall 216 and the upper side wall of the third protection wall 213, an included angle alpha between the fourth protection wall 216 and the fourth protection wall 216 is 60 DEG, the other end of the fourth protection wall 216 is provided with a first limit supporting member 215, the sixth protection wall 210 is in the shape of an equilateral triangle, the third side edge of the sixth protection wall 210 is respectively a first side 2101, a second side 2103, a third side 2103, the sixth side 2103 of the sixth protection wall 210 is connected with the upper side wall 213 of the third protection wall 213, a fourth side slot 218 is formed between the adjacent to the first protection wall 216 and the fourth protection wall 216, a fourth side wall 218 is formed between the fourth protection wall 218 and the fourth protection wall 216 and the fourth protection wall 218, a groove 218 is formed between the fourth protection wall 218 and the fourth protection wall 218 is formed between the adjacent to the fourth protection wall 216, a fourth protection wall 218 is formed between the fourth protection wall 218 and the fourth protection wall 218, a groove is formed between the fourth protection wall 218 and the fourth protection wall is formed between the fourth protection wall and the fourth protection wall 216 and the fourth protection wall is formed between the fourth protection wall and the fourth protection wall, the distance between the junctions of the third protective walls 213 is the same as the width of the ends of the spacing support members 215;
The fourth, fifth and sixth protective walls 216, 218 and 210 of one loose tube body are inserted into the first receiving groove 214 of the other loose tube body, the other end of the fourth and fifth protective walls 216, 218 of one loose tube body are respectively engaged with the second protective wall 212 of the other loose tube body, the second side 2102 of the sixth protective wall 210 of one loose tube body is engaged with the second protective wall 212 of the other loose tube body, the end of the limit part 2111 of one loose tube body is engaged with the other end of the third protective wall 213 of the other loose tube body, the apex angle between the second side 2102 and the third side 2103 of the sixth protective wall 210 of one loose tube body is inserted into the angle between the second protective wall 212 and the limit part 2111 of the other loose tube body, the second protective wall 212 of one loose tube body is engaged with the limit support part 215 of the other loose tube body, the end of the spacing supporting component 215 of the other loose tube body is embedded between the second protecting wall 212 and the fourth protecting wall 216 of the one loose tube body, the end of the spacing supporting component 215 of the other loose tube body is jointed with the third protecting wall 213 between the second protecting wall 212 and the fourth protecting wall 216 of the one loose tube body, a positioning reinforcement accommodating cavity 24 is formed between the two fourth protecting walls 216, the second protecting wall 212 and the third protecting wall 213 of the two loose tube bodies enclose a diamond shape, the positioning reinforcement 23 is positioned in the positioning reinforcement accommodating cavity 24, the outer wall of the positioning reinforcement 23 is jointed with the corresponding two fourth protecting walls 216 and the two spacing supporting components 215 respectively, an optical fiber ribbon 22 is arranged in the second accommodating groove 217, the third accommodating groove 219 and the fourth accommodating groove 2110 respectively, the three diamond-shaped loose tubes 21 are spliced into a regular hexagon.
Example 3
As shown in fig. 12 and 13, and referring to fig. 7 to 11, an optical fiber ribbon cable has an outer sheath 1 and three optical communication units 2, wherein the three optical communication units 2 form a cable core, and the outer sheath 1 is extruded outside the cable core, and is characterized in that: the optical communication unit 2 is composed of a loose tube 21, eight optical fiber ribbons 22 and a positioning reinforcement 23, wherein the loose tube 21 is composed of two loose tube bodies;
In the same cross section, the loose tube main body is composed of a second protection wall 212, a third protection wall 213, a limit supporting member 215, a fourth protection wall 216, a third fifth protection wall 218 and a sixth protection wall 210, one end of the second protection wall 212 is connected with one end of the third protection wall 213, the other end of the second protection wall 212 is provided with a limit member 2111, the second protection wall 212 is connected with the third protection wall 213 to form an angle alpha of 60 DEG between the first protection wall 216 and the second protection wall 216, the other end of the fourth protection wall 216 is provided with a first limit supporting member 215, the sixth protection wall 210 is in the form of an equilateral triangle, the third side of the sixth protection wall 210 is respectively a third side 2101, a fourth side 2102, a third side 2103, the third side of the sixth protection wall 210 is connected with the third protection wall 213 to form an upper side wall 213 of the third protection wall 212, the fourth protection wall 216 is connected with the fourth protection wall 216 to form a second side wall 218, the fourth protection wall 218 between the fourth protection wall 216 and the fourth protection wall 218 to form a second container main body, the fourth protection wall 218 is formed between the fourth protection wall 216 and the fourth container main body and the fourth protection wall 218, the fourth protection wall 216 is formed between the fourth protection wall 218 and the fourth protection wall 218, the fourth protection wall 210 is formed between the fourth protection wall 210 and the fourth protection wall 210 is formed into an equilateral triangle, the distance between the junctions of the third protective walls 213 is the same as the width of the ends of the spacing support members 215;
The fourth, fifth and sixth protective walls 216, 218 and 210 of one loose tube body are inserted into the first receiving groove 214 of the other loose tube body, the other end of the fourth and fifth protective walls 216, 218 of one loose tube body are respectively engaged with the second protective wall 212 of the other loose tube body, the second side 2102 of the sixth protective wall 210 of one loose tube body is engaged with the second protective wall 212 of the other loose tube body, the end of the limit part 2111 of one loose tube body is engaged with the other end of the third protective wall 213 of the other loose tube body, the apex angle between the second side 2102 and the third side 2103 of the sixth protective wall 210 of one loose tube body is inserted into the angle between the second protective wall 212 and the limit part 2111 of the other loose tube body, the second protective wall 212 of one loose tube body is engaged with the limit support part 215 of the other loose tube body, the end of the spacing supporting component 215 of the other loose tube body is embedded between the second protecting wall 212 and the fourth protecting wall 216 of the one loose tube body, the end of the spacing supporting component 215 of the other loose tube body is jointed with the third protecting wall 213 between the second protecting wall 212 and the fourth protecting wall 216 of the one loose tube body, a positioning reinforcement accommodating cavity 24 is formed between the two fourth protecting walls 216, the second protecting wall 212 and the third protecting wall 213 of the two loose tube bodies enclose a diamond shape, the positioning reinforcement 23 is positioned in the positioning reinforcement accommodating cavity 24, the outer wall of the positioning reinforcement 23 is jointed with the corresponding two fourth protecting walls 216 and the spacing supporting component 215, an optical fiber ribbon 22 is arranged in the second accommodating groove 217, the third accommodating groove 219 and the fourth accommodating groove 2110 respectively, the three diamond-shaped loose tubes 21 are spliced into a regular hexagon.
The application relates to an optical fiber ribbon cable, which is characterized in that: the material of the outer protective layer 1 is high-density polyethylene or medium-density polyethylene or low-density polyethylene.
The application relates to an optical fiber ribbon cable, which is characterized in that: the optical fiber ribbon 22 is formed by combining at least two optical fibers.
The application relates to an optical fiber ribbon cable, which is characterized in that: the loose tube main body material is polybutylene terephthalate or modified polypropylene.
The application relates to an optical fiber ribbon cable, which is characterized in that: the central reinforcement 3 is a steel wire or glass fiber reinforced plastic rod.
The application relates to an optical fiber ribbon cable, which is characterized in that: the tension member 2112 is a steel wire or fiberglass reinforced plastic rod.
The application has the following beneficial effects:
1. the loose tube 21 is provided with the positioning reinforcement piece 23, so that the shape of the loose tube 21 can be supported in the width direction of the positioning reinforcement piece 23, the compression resistance is achieved, and meanwhile, the tensile property of the loose tube 21 is improved.
2. Ribbon 22 is positioned within second receiving slot 217 or third receiving slot 219 or fourth receiving slot 2110 at a distance from each other to prevent ribbon 22 from being squeezed against each other to affect the transmission properties of the optical fibers within ribbon 22.
3. The positioning reinforcement 23 divides the loose tube 21 into two parts, and optical fiber ribbons having different types of optical fibers can be placed on both sides of the positioning reinforcement 23.
4. The positioning reinforcement 23 is located in the positioning reinforcement receiving cavity 24 and also serves to fix the position of the two loose tube bodies and stabilize the shape of the loose tube 21.
5. In embodiment 2 and embodiment 3, the cross sections of the three positioning reinforcing members 23 are in a structure from the center of the cable core to the outside, so that the compressive strength of the optical cable is stronger.
6. The tensile members 2112 are arranged, and the tensile members 2112 are distributed around the cable core, so that when the optical cable is subjected to tensile force, the tensile force distribution is more uniform, and the tensile capacity is stronger.
7. The loose tube 21 is formed by splicing two loose tube bodies, and when the optical fiber ribbon is taken, the optical fiber ribbon can be taken without cutting by a cutter, so that the construction is convenient, and the loose tube bodies are reused.
In the present application, the positioning reinforcement may also be a conductor wire, i.e. a wire with an electrical conductor inside and an insulating layer outside, in which case the ribbon cable may be referred to as a photoelectric composite ribbon cable, or may be referred to as a cable.
The above-described embodiments are only preferred embodiments of the present invention, and should not be construed as limiting the present invention. The protection scope of the present invention is defined by the claims, and the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this invention are also within the scope of the invention.
Claims (10)
1. An optical fiber ribbon cable has an outer jacket (1), six optical communication units (2) and a central reinforcement (3), the six optical communication units (2) being located around the central reinforcement (3) and forming a cable core, the outer jacket (1) being extruded outside the cable core, characterized in that: the optical communication unit (2) is composed of a loose tube (21), a plurality of optical fiber ribbons (22) and a positioning reinforcing piece (23), wherein the loose tube (21) is composed of two loose tube bodies; in the same cross section, the loose tube main body is composed of a first protection wall (211), a second protection wall (212), a third protection wall (213), a limit supporting component (215), a fourth protection wall (216) and a sixth protection wall (210), one end of the first protection wall (211) is connected with one end of the second protection wall (212), the first protection wall (211) is 120 degrees with the second protection wall (212), the other end of the second protection wall (212) is connected with one end of the third protection wall (213), the second protection wall (212) is 120 degrees with the third protection wall (213), one end of the fourth protection wall (216) is connected with the upper side wall of the third protection wall (213), the other end of the fourth protection wall (216) is provided with a limit supporting component (215), one end of the sixth protection wall (210) is connected with the upper side wall of the third protection wall (213), the fourth protection wall (216) and the sixth protection wall (216) are connected with the upper side wall of the third protection wall (213), and an included angle formed between the first protection wall (216) and the fourth protection wall (212) is formed between the first protection wall (216) and the second protection wall (213) and the fourth protection wall (212), and the first protection wall (216) is formed between the first protection wall and the second protection wall (216) and the second protection wall (213) and the fourth protection wall (60) and the second protection wall (60) The distance between the connection parts of the third protection walls (213) is the same as the width of the end parts of the limit supporting parts (215); the fourth protection wall (216) and the sixth protection wall (210) of one loose tube body are inserted into the first containing groove (214) of the other loose tube body, the other end of the fourth protection wall (216) and the other end of the sixth protection wall (210) of the one loose tube body are respectively jointed with the second protection wall (212) of the other loose tube body, the other end of the third protection wall (213) of the one loose tube body is jointed with the other end of the first protection wall (211) of the other loose tube body, the second protection wall (212) of the one loose tube body is jointed with the limit support part (215) of the other loose tube body, the end of the limit support part (215) of the other loose tube body is embedded between the second protection wall (212) and the fourth protection wall (216) of the one loose tube body, the end of the limit support part (215) of the other loose tube body is jointed with the third protection wall (213) between the second protection wall (212) and the fourth protection wall (216) of the one loose tube body, the first protection wall (24) and the second protection wall (24) of the second protection wall (216) of the other loose tube body are positioned in a hexagonal shape, the first protection wall (24) is positioned between the two reinforcement walls (24) and the first protection wall (23) of the first reinforcement wall (24) are positioned, the outer wall of the positioning reinforcement (23) is respectively attached to the corresponding two fourth protection walls (216) and the corresponding two limit supporting parts (215), and the optical fiber ribbon (22) is positioned between the fourth protection walls (216) and the sixth protection walls (210); the center reinforcement (3) is in a regular hexagon shape, six optical communication units (2) are respectively attached to six sides of the center reinforcement (3), and two adjacent optical communication units (2) are attached to each other.
2. The ribbon cable of claim 1 wherein: at least one fifth protection wall (218) is arranged between the fourth protection wall (216) and the sixth protection wall (210), and one end of the fifth protection wall (218) is connected with the upper side wall of the third protection wall (213); when a fifth protective wall (218) is arranged, a second accommodating groove (217) is formed between the fourth protective wall (216) and the fifth protective wall (218), a third accommodating groove (219) is formed between the fifth protective wall (218) and the sixth protective wall (210), and an optical fiber ribbon (22) is respectively arranged in the second accommodating groove (217) and the third accommodating groove (219); when a plurality of fifth protection walls (218) are arranged, a second accommodating groove (217) is formed between the fourth protection wall (216) and the adjacent fifth protection wall (218), a third accommodating groove (219) is formed between the sixth protection wall (210) and the adjacent fifth protection wall (218), a fourth accommodating groove (2110) is formed between the adjacent two fifth protection walls (218), and each of the second accommodating groove (217), the third accommodating groove (219) and the fourth accommodating groove (2110) is provided with an optical fiber ribbon (22).
3. A fiber optic ribbon cable as claimed in claim 2, wherein: the fifth protective wall (218) and the fourth protective wall (216) are parallel.
4. A fiber optic ribbon cable according to claim 3, wherein: the other end of the fifth protective wall (218) is attached to the second protective wall (212) of the other loose tube main body.
5. The ribbon cable of claim 4 wherein: a filling component (4) is arranged between two adjacent optical communication units (2) and the outer protective layer (1).
6. An optical fiber ribbon cable has an outer sheath (1) and three optical communication units (2), the three optical communication units (2) forming a cable core, the outer sheath (1) being extruded outside the cable core, characterized in that: the optical communication unit (2) is composed of a loose tube (21), a plurality of optical fiber ribbons (22) and a positioning reinforcing piece (23), wherein the loose tube (21) is composed of two loose tube bodies; in the same cross section, the loose tube main body is composed of a second protection wall (212), a third protection wall (213), a limit supporting part (215), a fourth protection wall (216) and a sixth protection wall (210), one end of the second protection wall (212) is connected with one end of the third protection wall (213), the second protection wall (212) is 120 degrees with the third protection wall (213), one end of the fourth protection wall (216) is connected with the upper side wall of the third protection wall (213), an included angle (alpha) between the fourth protection wall (216) and the second protection wall (212) is 60 degrees, the other end of the fourth protection wall (216) is provided with the limit supporting part (215), the sixth protection wall (210) is connected with the upper side wall of the third protection wall (213), a first accommodating groove (214) is formed between the fourth protection wall (216) and the second protection wall (212), the connecting part of the fourth protection wall (216) and the third protection wall (213) has the same width with the limit supporting part (215); the fourth protection wall (216) and the sixth protection wall (210) of one loose tube body are inserted into the first accommodating groove (214) of the other loose tube body, the other end of the fourth protection wall (216) of the one loose tube body is jointed with the second protection wall (212) of the other loose tube body, the sixth protection wall (210) of the one loose tube body is jointed with the second protection wall (212) of the other loose tube body, the second protection wall (212) of the one loose tube body is jointed with the limit support part (215) of the other loose tube body, the end part of the limit support part (215) of the other loose tube body is embedded between the second protection wall (212) and the fourth protection wall (216) of the one loose tube body, the end part of the limit support part (215) of the other loose tube body is jointed with the third protection wall (213) between the second protection wall (212) and the fourth protection wall (216) of the one loose tube body, the two fourth protection walls (216) are jointed with the limit support part (215) of the other loose tube body, the two reinforcement parts (24) are formed between the two reinforcement parts (24) of the two reinforcement parts (23) and the two reinforcement parts (23) are positioned between the two reinforcement parts (23) of the two reinforcement parts (23), the optical fiber ribbon (22) is positioned between the fourth protection wall (216) and the sixth protection wall (210), and the three diamond-shaped loose tubes (21) are spliced into a regular hexagon.
7. The ribbon cable of claim 6 wherein: at least one fifth protection wall (218) is arranged between the fourth protection wall (216) and the sixth protection wall (210), and one end of the fifth protection wall (218) is connected with the upper side wall of the third protection wall (213); when a fifth protective wall (218) is arranged, a second accommodating groove (217) is formed between the fourth protective wall (216) and the fifth protective wall (218), a third accommodating groove (219) is formed between the fifth protective wall (218) and the sixth protective wall (210), and an optical fiber ribbon (22) is respectively arranged in the second accommodating groove (217) and the third accommodating groove (219); when a plurality of fifth protection walls (218) are arranged, a second accommodating groove (217) is formed between the fourth protection wall (216) and the adjacent fifth protection wall (218), a third accommodating groove (219) is formed between the sixth protection wall (210) and the adjacent fifth protection wall (218), a fourth accommodating groove (2110) is formed between the adjacent two fifth protection walls (218), and each of the second accommodating groove (217), the third accommodating groove (219) and the fourth accommodating groove (2110) is provided with an optical fiber ribbon (22).
8. The ribbon cable of claim 7 wherein: the fifth protective wall (218) and the fourth protective wall (216) are parallel.
9. The ribbon cable of claim 8 wherein: the sixth protection wall (210) is in an equilateral triangle shape, three sides of the sixth protection wall (210) are respectively a first side (2101), a second side (2102) and a third side (2103), the third side (2103) of the sixth protection wall (210) is connected with the upper side wall of the third protection wall (213), the first side (2101) of the sixth protection wall (210) is parallel to the fourth protection wall (216), the second side (2102) of the sixth protection wall (210) of one loose tube main body is attached to the second protection wall (212) of the other loose tube main body, the other end of the second protection wall (212) is provided with a limiting component (2111), the end part of the limiting component (2111) of the one loose tube main body is attached to the other end of the third protection wall (213) of the other loose tube main body, and an included angle between the second side (2102) of the sixth protection wall (210) of the one loose tube main body and the second protection wall (212) of the other loose tube main body is inserted into the limiting component (2111) of the other loose tube main body.
10. An optical-electrical composite optical fiber ribbon cable, characterized in that: a fiber optic ribbon cable comprising the fiber optic ribbon of claim 6, and said positioning strength member (23) is a conductor wire having an electrical conductor therein and an insulating layer outside the electrical conductor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410258169.0A CN117849973B (en) | 2024-03-07 | 2024-03-07 | Optical fiber ribbon cable and photoelectric composite optical fiber ribbon cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410258169.0A CN117849973B (en) | 2024-03-07 | 2024-03-07 | Optical fiber ribbon cable and photoelectric composite optical fiber ribbon cable |
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| CN117849973B true CN117849973B (en) | 2024-05-03 |
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| CN117849973A (en) | 2024-04-09 |
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