Photoelectric composite cable for wire duct

Abstract

The invention belongs to the technical field of optical cables, and discloses a photoelectric composite cable for a trunking, which is provided with an outer protective layer, at least one electric unit and at least one loose tube, at least one optical unit is arranged in the loose tube, the outer protective layer is composed of an outer protective layer main body, the outer protective layer main body is in a regular octagon shape, the left side of the outer protective layer main body is provided with a notch, and the notch is formed in the right side of the outer protective layer main body. At least one first electric unit accommodating cavity and one loose tube accommodating cavity are arranged in the outer protective layer main body, one electric unit is arranged in the first electric unit accommodating cavity, and one loose tube is arranged in the loose tube accommodating cavity; the cable has the advantages of being simple in structure, low in cost, light in weight, capable of being laid separately, capable of being clamped and fixed mutually and the like.

Description

Technical Field

[0001] The invention belongs to the technical field of optical cables, and in particular relates to an optoelectronic composite cable for cable ducts. Background Art

[0002] Optical-electric composite cable refers to a new type of access method that is suitable for use as a transmission line in broadband access network systems. It integrates optical fiber and power transmission copper wire and can solve the problems of broadband access, equipment power consumption, and signal transmission.

[0003] In the prior art, CN111208613A discloses an optical fiber ribbon cable, which has a reinforcement member body composed of two identical reinforcement members, a plurality of optical fiber ribbons located outside the reinforcement member body, a protective layer covering all the optical fiber ribbons, and an outer sheath located outside the protective layer; the characteristics are that each reinforcement member is a columnar structure, and two identical reinforcement members are inverted and combined to form a complete cylindrical reinforcement member body structure; each optical fiber ribbon is composed of a plurality of inner optical fibers, a plurality of outer optical fibers located above the inner optical fibers, and an optical fiber ribbon body covering all the inner optical fibers and the outer optical fibers, and the inner edges of all the optical fiber ribbons are spliced ​​to form a column with a polygonal cross-section.

[0004] The above-mentioned prior art has the following defects: 1. It cannot be spliced ​​as a sub-unit to increase the number of transmission units in the cable core; 2. It has a complex structure and relatively high cost. Summary of the invention

[0005] In order to solve the above problems, the purpose of the present invention is to disclose an optoelectronic composite cable for cable duct, which is implemented by adopting the following technical solutions.

[0006] An optoelectronic composite cable for a cable trough comprises an outer sheath, at least one electrical unit and at least one loose tube, wherein at least one optical unit is arranged in the loose tube; The outer sheath is composed of an outer sheath body, which is a regular octagon. A cutout is provided on the left side of the outer sheath body. At least one first electrical unit cavity is provided in the outer sheath body on one side of the cutout, and at least one loose tube cavity is provided in the outer sheath body on the other side of the cutout. An electrical unit is provided in the first electrical unit cavity, and a loose tube is provided in the loose tube cavity.

[0007] In the above-mentioned optoelectronic composite cable for cable duct, the right side of the outer sheath body is connected to a clamping block capable of clamping with the cutout.

[0008] A photoelectric composite cable for a cable trough, comprising a row consisting of at least one first subunit and a second subunit, wherein the first subunit comprises an outer sheath, at least one electrical unit and at least one loose tube, wherein at least one optical unit is arranged in the loose tube, the outer sheath comprises an outer sheath body, the outer sheath body is in a regular octagon, a cutout is arranged on the left side of the outer sheath body, at least one first electrical unit cavity is arranged in the outer sheath body on one side of the cutout, at least one loose tube cavity is arranged in the outer sheath body on the other side of the cutout, an electrical unit is arranged in the first electrical unit cavity, a loose tube is arranged in the loose tube cavity, and a clamping block capable of clamping with the cutout is connected to the right side of the outer sheath body; The second subunit comprises an outer sheath, at least one electrical unit and at least one loose tube, at least one optical unit is arranged in the loose tube, the outer sheath is composed of an outer sheath body, the outer sheath body is in a regular octagon, a cutout is arranged on the left side of the outer sheath body, at least one first electrical unit cavity is arranged in the outer sheath body on one side of the cutout, at least one loose tube cavity is arranged in the outer sheath body on the other side of the cutout, an electrical unit is arranged in the first electrical unit cavity, and a loose tube is arranged in the loose tube cavity; The second subunit is located at the rightmost side. From left to right, when there is one first subunit, the clamping block of the first subunit is clamped with the cutout of the second subunit. When there are multiple first subunits, the clamping block of the left first subunit is inserted into the cutout of the adjacent right first subunit, and the clamping block of the rightmost first subunit is inserted into the cutout of the second subunit.

[0009] A photoelectric composite cable for a cable trough comprises a plurality of sub-rows consisting of at least one first sub-unit and one second sub-unit, wherein the first sub-unit comprises an outer sheath, at least one electrical unit and at least one loose tube, wherein at least one optical unit is arranged in the loose tube, the outer sheath comprises an outer sheath body, the outer sheath body is in a regular octagon, a cutout is arranged on the left side of the outer sheath body, at least one first electrical unit cavity is arranged in the outer sheath body on one side of the cutout, at least one loose tube cavity is arranged in the outer sheath body on the other side of the cutout, an electrical unit is arranged in the first electrical unit cavity, a loose tube is arranged in the loose tube cavity, and a clamping block capable of clamping with the cutout is connected to the right side of the outer sheath body; The second subunit comprises an outer sheath, at least one electrical unit and at least one loose tube, at least one optical unit is arranged in the loose tube, the outer sheath is composed of an outer sheath body, the outer sheath body is in a regular octagon, a cutout is arranged on the left side of the outer sheath body, at least one first electrical unit cavity is arranged in the outer sheath body on one side of the cutout, at least one loose tube cavity is arranged in the outer sheath body on the other side of the cutout, an electrical unit is arranged in the first electrical unit cavity, and a loose tube is arranged in the loose tube cavity; The second subunit is located at the rightmost side. From left to right, when there is one first subunit, the clamping block of the first subunit is clamped with the cutout of the second subunit. When there are multiple first subunits, the clamping block of the left first subunit is inserted into the cutout of the adjacent right first subunit, and the clamping block of the rightmost first subunit is inserted into the cutout of the second subunit; The first subunits corresponding to two adjacent rows are fitted together, and the second subunits corresponding to two adjacent rows are fitted together. A merge cavity is formed between the two adjacent first subunits in the previous row and the corresponding two adjacent first subunits in the next row. A merge cavity is formed between the second subunit and the adjacent first subunit in the previous row and the corresponding second subunit and the adjacent first subunit in the next row.

[0010] The above-mentioned optoelectronic composite cable for cable duct has a loose tube or an electrical unit placed in the cavity.

[0011] The above-mentioned optoelectronic composite cable for cable trough has a right triangle incision, the opening of the incision is the left side of the outer sheath body of the regular octagon, a side wall on the upper side of the incision is the second incision wall, a side wall on the lower side of the incision is the first incision wall, the first incision wall is the hypotenuse of the right triangle, the second incision wall is parallel to the upper side of the outer sheath body of the regular octagon, the first electrical unit cavity is located on the upper side of the second incision wall, and the loose tube cavity is located on the right side of the first incision wall.

[0012] The above-mentioned optoelectronic composite cable for cable duct has an incision in the form of an isosceles right triangle.

[0013] In the above-mentioned optoelectronic composite cable for cable duct, at least one first electrical unit cavity is provided at the lower right side of the two loose tube cavities, and an electrical unit is provided in the first electrical unit cavity.

[0014] The above-mentioned optoelectronic composite cable for cable trough has a clamping block in the form of an isosceles right triangle, one right-angled side of the isosceles right triangle completely coincides with the right side of the outer sheath body, the other right-angled side of the isosceles right triangle is a first clamping wall, the hypotenuse of the isosceles right triangle is a second clamping wall, and the second clamping wall is parallel to the first incision wall.

[0015] In the above-mentioned optoelectronic composite cable for cable duct, the optical unit in the loose tube is an optical fiber.

[0016] In the above-mentioned optoelectronic composite cable for cable duct, the optical unit in the loose tube is an optical fiber ribbon.

[0017] In the above-mentioned optoelectronic composite cable for cable duct, the optical fiber ribbon is formed by combining at least two optical fibers.

[0018] The above-mentioned optoelectronic composite cable for cable duct has an outer sheath made of polyethylene, polyvinyl chloride or nylon.

[0019] In the above-mentioned optoelectronic composite cable for cable duct, the material of the loose tube is polybutylene terephthalate or modified polypropylene.

[0020] In the above-mentioned optoelectronic composite cable for cable duct, the electrical unit is composed of a conductor and an insulating layer extruded outside the conductor.

[0021] In the above-mentioned optoelectronic composite cable for cable duct, the optical fiber is a single-mode optical fiber or a multi-mode optical fiber.

[0022] The present invention has the following beneficial effects: 1. The incision is set to reduce the material consumption of the outer sheath, save costs and reduce weight.

[0023] 2. The optoelectronic composite cable of the present invention can be separated into two parts through the incision and used separately. One part is a cable having two electrical units, and the other part is a new optoelectronic composite cable having two loose tubes and one electrical unit.

[0024] 3. The outer sheath body of the present invention is in a regular octagonal shape, which can be more conveniently and firmly inserted into the wire trough compared with a circular structure.

[0025] 4. Two adjacent outer sheaths can be connected to form an array distribution, and different numbers of the optoelectronic composite cables of the present invention can be connected according to actual laying needs to increase the number of cores of optical fibers and electrical units.

[0026] 5. After the array is distributed, a combined cavity is formed in the array, which can be used for heat dissipation, or for placing loose tubes or electrical units, further increasing the number of cores of optical fibers or electrical units. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a front view of embodiment 1 of the present invention.

[0028] Figure 2 It is a schematic diagram of the three-dimensional structure of the outer protective layer of Example 1 of the present invention.

[0029] Figure 3 It is a front view of the outer sheath of Example 1 of the present invention.

[0030] Figure 4 It is a front view of embodiment 2 of the present invention.

[0031] Figure 5 It is a schematic diagram of the three-dimensional structure of Example 3 of the present invention.

[0032] Figure 6 It is a front view of embodiment 3 of the present invention.

[0033] Figure 7 It is a front view of embodiment 4 of the present invention.

[0034] In the figure, 1. outer sheath, 11. outer sheath body, 12. first electrical unit cavity, 13. incision, 131. first incision wall, 132. second incision wall, 14. loose tube cavity, 2. electrical unit, 3. loose tube, 4. optical fiber, 5. optical fiber ribbon, 6. clamping block, 61. first clamping wall, 62. second clamping wall, 7. merging cavity. DETAILED DESCRIPTION

[0035] Example 1: Figures 1 to 3 , an optoelectronic composite cable for a cable trough, comprising an outer sheath 1, three electrical units 2 and two loose tubes 3, wherein at least one optical fiber 4 is arranged in the loose tube 3; The outer sheath 1 is composed of an outer sheath body 11, which is a regular octagon. Three first electrical unit cavities 12 and two loose tube cavities 14 are arranged in the outer sheath body 11. An isosceles right triangle cutout 13 is arranged on the left side of the outer sheath body 11. The opening of the cutout 13 is the left side of the regular octagonal outer sheath body 11. A side wall on the upper side of the cutout 13 is a second cutout wall 132, and a side wall on the lower side of the cutout 13 is a first cutout wall 131. The first cutout wall 131 is the hypotenuse of an isosceles right triangle, the second cutout wall 132 is parallel to the upper side of the outer sheath body 11 of the regular octagon, the two first electrical unit cavities 12 are located on the upper side of the second cutout wall 132, the two loose tube cavities 14 are located on the right side of the first cutout wall 131, and the remaining first electrical unit cavity 12 is located at the lower right side of the two loose tube cavities 14, an electrical unit 2 is provided in the first electrical unit cavity 12, and a loose tube 3 is provided in the loose tube cavity 14.

[0036] Example 2: Figure 4 , and refer to Figure 2 and Figure 3 , an optoelectronic composite cable for a cable trough, this embodiment is basically the same as embodiment 1, except that at least one optical fiber ribbon 5 is provided in the loose tube 3.

[0037] Example 3: Figure 5 and Figure 6 , and refer to Figure 2 and Figure 3, an optoelectronic composite cable for a cable trough, this embodiment is basically the same as embodiment 1, except that: a clamping block 6 is connected to the right side of the outer sheath body 11, and the clamping block 6 is an isosceles right triangle, one right-angled side of the isosceles right triangle completely coincides with the right side of the outer sheath body 11, the other right-angled side of the isosceles right triangle is a first clamping wall 61, and the hypotenuse of the isosceles right triangle is a second clamping wall 62, and the second clamping wall 62 is parallel to the first incision wall 131.

[0038] Example 4: Figure 7 , and refer to Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 6 , an optoelectronic composite cable for a cable trough, having nine first subunits and three second subunits, the first subunits being the same as those in Example 3, the first subunits being the same as those in Example 1, the nine first subunits and the three second subunits being arranged in four rows, each row having three first subunits and one second subunit, and the second subunit being located on the far right; In each row of three first subunits and one second subunit, from left to right, the clamping block 6 of the first subunit on the left is inserted into the cutout 13 of the adjacent first subunit on the right, and the clamping block 6 of the rightmost first subunit is inserted into the corresponding cutout 13 of the second subunit on the right, and the first clamping wall 61 and the corresponding second cutout wall 132 are completely fitted together, and the second clamping wall 62 and the corresponding first cutout wall 131 are completely fitted together; The first subunit of the previous row and the first subunit of the next row are attached to each other in a one-to-one correspondence, the second subunit of the previous row and the second subunit of the next row are attached to each other, a merging cavity 7 is formed between the two adjacent first subunits of the previous row and the corresponding two adjacent first subunits of the next row, a merging cavity 7 is formed between the second subunit of the previous row and the adjacent first subunit, and the corresponding second subunit of the next row and the adjacent first subunit, and the merging cavity 7 can be used for heat dissipation or placement of loose sleeves 3 or electrical units 2.

[0039] In the above-mentioned optoelectronic composite cable for cable duct, the material of the outer sheath 1 is polyethylene, polyvinyl chloride or nylon.

[0040] In the above-mentioned optoelectronic composite cable for cable duct, the material of the loose tube 3 is polybutylene terephthalate or modified polypropylene.

[0041] In the above-mentioned optoelectronic composite cable for cable duct, the electrical unit 2 is composed of a conductor and an insulating layer extruded outside the conductor.

[0042] In the above-mentioned optoelectronic composite cable for cable duct, the optical fiber 4 is a single-mode optical fiber or a multi-mode optical fiber.

[0043] In the above-mentioned optoelectronic composite cable for cable duct, the optical fiber ribbon 5 is formed by at least two optical fibers 4 being connected in parallel.

[0044] The above-mentioned optoelectronic composite cable for cable duct is in the shape of a regular octagon and can be inserted into the cable duct for laying.

[0045] The present invention has the following beneficial effects: 1. The cutout 13 is provided to reduce the material usage of the outer sheath 1, thereby saving costs and reducing weight.

[0046] 2. The optical-electrical composite cable of the present invention can be separated from the cutout 13 into two parts for separate use. One part is a cable having two electrical units 2 , and the other part is a new optical-electrical composite cable having two loose tubes 3 and one electrical unit 2 .

[0047] 3. The outer sheath body 11 of the present invention is in a regular octagonal shape, which can be more conveniently and firmly inserted into the wire duct compared to a circular structure.

[0048] 4. Two adjacent outer sheaths 1 can be connected to form an array distribution. Different numbers of the optoelectronic composite cables of the present invention can be connected according to actual installation needs to increase the number of cores of the optical fiber 4 and the electrical unit 2.

[0049] 5. After the array is distributed, a combined cavity 7 is formed in the array, which can be used for heat dissipation, or to place the loose tube 3 or the electrical unit 2, further increasing the number of cores of the optical fiber 4 or the electrical unit 2.

[0050] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limiting the present invention. The protection scope of the present invention shall be the technical solutions recorded in the claims, including the equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. An optoelectronic composite cable for a cable trough, comprising an outer sheath (1), at least one electrical unit (2) and at least one loose tube (3), wherein at least one optical unit is arranged in the loose tube (3); characterized in that: The outer sheath (1) is composed of an outer sheath body (11) which is in a regular octagonal shape. A cutout (13) is provided on the left side of the outer sheath body (11). At least one first electrical unit cavity (12) is provided in the outer sheath body (11) on one side of the cutout (13). At least one loose tube cavity (14) is provided in the outer sheath body (11) on the other side of the cutout (13). An electrical unit (2) is provided in the first electrical unit cavity (12), and a loose tube (3) is provided in the loose tube cavity (14).

2. The optoelectronic composite cable for cable duct according to claim 1, characterized in that: The right side of the outer protective layer body (11) is connected to a clamping block (6) capable of being clamped with the cutout (13).

3. An optoelectronic composite cable for a cable trough, having a row of sub-rows consisting of at least one first sub-unit and one second sub-unit, characterized in that: The first subunit comprises an outer sheath (1), at least one electrical unit (2) and at least one loose tube (3), wherein at least one optical unit is arranged in the loose tube (3), the outer sheath (1) is composed of an outer sheath body (11), the outer sheath body (11) is in a regular octagonal shape, a cutout (13) is arranged on the left side of the outer sheath body (11), at least one first electrical unit cavity (12) is arranged in the outer sheath body (11) on one side of the cutout (13), and at least one first electrical unit cavity (12) is arranged on the other side of the cutout (13). At least one loose tube cavity (14) is provided in the outer sheath body (11) on the side, an electric unit (2) is provided in the first electric unit cavity (12), a loose tube cavity (14) is provided with a loose tube (3), and a right side of the outer sheath body (11) is connected to a clamping block (6) capable of clamping with the cutout (13); the second subunit comprises an outer sheath (1), at least one electric unit (2) and at least one loose tube (3), at least one optical fiber is provided in the loose tube (3). The outer sheath (1) is composed of an outer sheath body (11), the outer sheath body (11) is in a regular octagonal shape, a cutout (13) is provided on the left side of the outer sheath body (11), at least one first electrical unit cavity (12) is provided in the outer sheath body (11) on one side of the cutout (13), at least one loose tube cavity (14) is provided in the outer sheath body (11) on the other side of the cutout (13), and an electrical unit (2) is provided in the first electrical unit cavity (12). , a loose tube (3) is arranged in the loose tube cavity (14); the second subunit is located at the rightmost side, and from left to right, when there is one first subunit, the clamping block (6) of the first subunit is clamped with the cutout (13) of the second subunit; when there are multiple first subunits, the clamping block (6) of the first subunit on the left side is inserted into the cutout (13) of the adjacent first subunit on the right side, and the clamping block (6) of the first subunit on the rightmost side is inserted into the cutout (13) of the second subunit.

4. An optoelectronic composite cable for a cable duct, having a plurality of sub-rows consisting of at least one first sub-unit and one second sub-unit, characterized in that: The first subunit comprises an outer sheath (1), at least one electrical unit (2) and at least one loose tube (3), wherein at least one optical unit is arranged in the loose tube (3), the outer sheath (1) is composed of an outer sheath body (11), the outer sheath body (11) is in a regular octagon, a cutout (13) is arranged on the left side of the outer sheath body (11), at least one first electrical unit cavity (12) is arranged in the outer sheath body (11) on one side of the cutout (13), at least one loose tube cavity (14) is arranged in the outer sheath body (11) on the other side of the cutout (13), and the first electrical unit An electrical unit (2) is arranged in the sub-unit cavity (12), a loose tube cavity (14) is arranged in the loose tube cavity (14), and a clamping block (6) capable of clamping with a cutout (13) is connected to the right side of the outer sheath body (11); the second sub-unit comprises an outer sheath (1), at least one electrical unit (2) and at least one loose tube (3), at least one optical unit is arranged in the loose tube (3), the outer sheath (1) is composed of an outer sheath body (11), the outer sheath body (11) is in a regular octagon, a cutout (13) is arranged on the left side of the outer sheath body (11), and the cutout (13) is arranged on the right side of the outer sheath body (11). The outer sheath body (11) on one side of the slit (13) is provided with at least one first electric unit cavity (12), the outer sheath body (11) on the other side of the slit (13) is provided with at least one loose tube cavity (14), the first electric unit cavity (12) is provided with an electric unit (2), and the loose tube cavity (14) is provided with a loose tube (3); the second subunit is located on the rightmost side, and from left to right, when there is one first subunit, the clamping block (6) of the first subunit is clamped with the slit (13) of the second subunit; when there are multiple first subunits, the first subunit on the left side is clamped with the slit (13) of the second subunit; The card-joint block (6) of the unit is inserted into the cutout (13) of the adjacent first subunit on the right, and the card-joint block (6) of the first subunit on the far right is inserted into the cutout (13) of the second subunit; the corresponding first subunits of two adjacent rows are fitted together, the corresponding second subunits of two adjacent rows are fitted together, a merging cavity (7) is formed between the two adjacent first subunits in the upper row and the corresponding two adjacent first subunits in the lower row, and a merging cavity (7) is formed between the second subunit and the adjacent first subunit in the upper row and the corresponding second subunit and the adjacent first subunit in the lower row.

5. The optoelectronic composite cable for cable duct according to claim 4, characterized in that: The loose tube (3) or the electrical unit (2) is placed in the merging cavity (7).

6. The optoelectronic composite cable for cable duct according to any one of claims 1 to 5, characterized in that: The cutout (13) is in the shape of a right triangle, the opening of the cutout (13) is the left side of the outer protective layer body (11) of the regular octagon, a side wall on the upper side of the cutout (13) is a second cutout wall (132), a side wall on the lower side of the cutout (13) is a first cutout wall (131), the first cutout wall (131) is the hypotenuse of the right triangle, the second cutout wall (132) is parallel to the upper side of the outer protective layer body (11) of the regular octagon, the first electrical unit cavity (12) is located on the upper side of the second cutout wall (132), and the loose tube cavity (14) is located on the right side of the first cutout wall (131).

7. The optoelectronic composite cable for cable duct according to claim 6, characterized in that: The incision (13) is in the shape of an isosceles right triangle.

8. The optoelectronic composite cable for cable duct according to claim 7, characterized in that: At least one first electrical unit cavity (12) is provided at the lower right side of the two loose tube cavities (14), and an electrical unit (2) is provided in the first electrical unit cavity (12).

9. The optoelectronic composite cable for cable duct according to claim 8, characterized in that: The clamping block (6) is in the form of an isosceles right triangle, one right-angled side of the isosceles right triangle completely overlaps with the right side of the outer protective layer body (11), the other right-angled side of the isosceles right triangle is a first clamping wall (61), the hypotenuse of the isosceles right triangle is a second clamping wall (62), and the second clamping wall (62) is parallel to the first cutout wall (131).

10. The optoelectronic composite cable for cable duct according to claim 9, characterized in that: The optical unit in the loose tube (3) is an optical fiber (4) or an optical fiber ribbon (5).

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