CN114267499A - Waterproof communication cable and preparation method thereof - Google Patents
Waterproof communication cable and preparation method thereof Download PDFInfo
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- CN114267499A CN114267499A CN202111532792.3A CN202111532792A CN114267499A CN 114267499 A CN114267499 A CN 114267499A CN 202111532792 A CN202111532792 A CN 202111532792A CN 114267499 A CN114267499 A CN 114267499A
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- 238000004891 communication Methods 0.000 title claims abstract description 55
- 238000002360 preparation method Methods 0.000 title claims description 4
- 239000010410 layer Substances 0.000 claims abstract description 88
- 239000004020 conductor Substances 0.000 claims abstract description 83
- 239000003292 glue Substances 0.000 claims abstract description 56
- 239000011241 protective layer Substances 0.000 claims abstract description 15
- 239000012792 core layer Substances 0.000 claims description 10
- 230000017105 transposition Effects 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000004026 adhesive bonding Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 12
- 238000007789 sealing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The invention discloses a waterproof communication cable which comprises a single-core wire layer formed by a single conductor, wherein a twisted layer formed by twisting a plurality of conductors is arranged on the outer surface of the single-core wire layer, a first gap is formed between the conductor of the single-core wire layer and the plurality of conductors of the twisted layer, a first waterproof filling layer formed by glue solution is filled in the first gap, an outer protective layer is arranged on the outer side of the twisted layer, a second gap is formed between the outer protective layer and the plurality of conductors of the twisted layer, and a second waterproof filling layer formed by the glue solution is filled in the second gap. The invention can increase the waterproof property of the communication cable and prolong the service life of the communication cable.
Description
Technical Field
The invention belongs to the technical field of communication cables, and particularly relates to a waterproof communication cable and a preparation method thereof.
Background
A communication cable is a general term for various wires that transmit electrical signals or optical signals, and is widely used in various fields. Sometimes, communication cables are operated in extremely harsh environments, such as underwater, for communication between underwater and above-water devices. A conventional cable is prepared by twisting a plurality of conductors into a shape and providing a protective layer on the outside thereof, thereby forming a communication cable.
However, in the above processing method, a gap is formed between the plurality of conductors. When the outer surface of the communication cable is cracked, water can enter the inside of the communication cable from gaps among the conductors, so that the using effect and the service life of the communication cable are influenced. At present, some sealing means exist, but the sealing means can not achieve good sealing effect.
In the prior art, the disclosed authorization notice number is: CN 110556206B, patent name: the invention patent application of the manufacturing method of the waterproof core wire discloses a manufacturing method of the waterproof core wire, which forms a waterproof sealing effect by twice gluing. However, in the above method, the conductor needs to be glued for the first time before twisting, and the conductor needs to be glued for the second time before entering the compressor. Although the method of twice gluing can achieve certain waterproof effect, the following problems also exist:
1. the first glue passing is carried out before twisting, although the twisting effect can be achieved in such a mode, in the process that the conductor stained with the glue solution enters the twisting machine and is twisted, the glue solution can be in contact with the internal parts of the twisting machine and is solidified on the parts; if the time is long, the twisting effect of the conductor can be influenced, and even the wire twisting machine is damaged;
2. although the glue is applied twice, the contact time between the conductor and the glue solution is short, and no gap is formed between the glue solution and the conductor after a finished product is formed, so that the waterproof effect cannot be achieved in a partial area of the cable.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a waterproof communication cable and a manufacturing method thereof, which increase the sealing effect of the communication cable, thereby increasing the waterproof property of the communication cable and prolonging the service life of the communication cable.
The technical scheme adopted by the invention is as follows: the utility model provides a waterproof communication cable, includes the single core line layer that is formed by single conductor, single core line layer surface is equipped with the transposition layer that is formed by the transposition of several conductors, form first clearance between the conductor on single core line layer and the several conductors on transposition layer, first clearance intussuseption is filled with the first waterproof filling layer that is formed by the glue solution, the transposition layer outside is equipped with the outer protective layer, form the second clearance between the several conductors on outer protective layer and transposition layer, second clearance intussuseption is filled with the waterproof filling layer of second that is formed by the glue solution.
In one embodiment, the conductors of the twisted layer are helically wound around the conductors of the single-core wire layer.
In one embodiment, the conductor diameter of the single-core wire layer is consistent with the conductor diameter of the stranded wire layer.
In one embodiment, the conductors of the plurality of twisting layers are arranged around the conductor axis of the single-core wire layer, and the conductor axes of the plurality of twisting layers are positioned on the same circumference.
The invention also discloses a waterproof communication cable, which comprises the following steps:
step 10, selecting the material and the size of the conductors of the single-core wire layer and the stranded layer according to requirements, and arranging the selected conductors on a pay-off rack;
step 20, twisting the conductors of the plurality of twisting layers together by using a twisting machine with the conductor of the single-core wire layer as a center to form an inner core wire;
step 30, arranging a take-up stand, arranging a take-up shaft on the take-up stand, and accommodating the inner core wire on the take-up shaft;
step 40, placing the take-up shaft containing the inner core wire on a pay-off rack;
50, feeding the inner core wire into a preheating machine for preheating;
step 60, arranging a laminator, injecting glue solution into the laminator, heating the glue solution, respectively arranging two single-line concave wheel sets at positions close to a wire inlet and a wire outlet in the laminator according to the diameter of an inner core wire, wherein the two single-line concave wheel sets are respectively provided with a plurality of single-line concave wheels from top to bottom;
step 70, feeding the inner core wire into the laminator from a wire inlet of the laminator, wherein the inner core wire penetrates through the uppermost single-wire concave wheel of the single-wire concave wheel group close to the wire inlet, sequentially penetrates through all the single-wire concave wheels of the two single-wire concave wheel groups from top to bottom, penetrates out of the uppermost single-wire concave wheel of the single-wire concave wheel group close to the wire outlet, and is sent out of the laminator from the wire outlet of the laminator;
80, conveying the glued inner core wire into an extruder, and encapsulating the inner core wire to form an outer protective layer;
step 90, sending the encapsulated inner core wire into a water tank for cooling, and cooling to normal temperature to obtain a waterproof communication cable;
and step 100, arranging a take-up stand, arranging a take-up shaft on the take-up stand, storing the obtained waterproof communication cable on the take-up shaft of the take-up stand, and finishing the processing of the waterproof communication cable.
In one embodiment, in steps 10-20, the conductor includes a copper wire and an aluminum wire.
In one embodiment, in steps 60 to 70, the laminator includes a frame and a glue groove disposed on an upper surface of the frame, a wire inlet communicated with an inside of the glue groove is disposed on an outer side wall of the glue groove, a wire outlet communicated with an inside of the glue groove is disposed on an outer side wall of the glue groove opposite to the wire inlet, fixed guide concave wheels are disposed at positions inside the glue groove close to the wire inlet and the wire outlet, and two single-wire concave wheel sets are disposed at positions inside the glue groove between two fixed guide concave wheels.
In one embodiment, a temperature adjusting component is arranged on the gluing machine.
In one embodiment, the temperature regulation assembly comprises a PLC, a heating plate arranged on the inner side wall of the glue groove and a temperature sensor arranged on the bottom surface of the glue groove, and the temperature sensor and the heating plate are both electrically connected with the PLC.
In one embodiment, two adjustable guide concave wheels which are arranged oppositely are arranged at the position, corresponding to the wire inlet, of the outer side wall of the rubber groove, and an eye mold fixing seat is arranged at the position, corresponding to the wire outlet, of the inner side wall of the rubber groove.
The invention has the beneficial effects that:
1. by increasing the time of the conductor and the inner core wire formed by the conductor in the laminator, the retention time of the conductor and the inner core wire in the laminator can be fully ensured, so that the laminating effect is ensured, and the communication cable which is subsequently processed can be ensured to have good sealing property and waterproofness through one-time laminating, so that the service life of the communication cable is prolonged;
2. the stroke of the conductor in the rubber groove can be adjusted by adjusting the positions of the two groups of single-wire concave wheel sets and the number of the single-wire concave wheels, so that the requirement of a communication cable is met;
3. through the setting of temperature control subassembly, automatic temperature control can be carried out, the temperature of glue solution in the gluing machine is guaranteed to fully guarantee the effect of communication cable follow-up processing.
Drawings
FIG. 1 is a schematic view of a waterproof communication cable according to the present invention;
FIG. 2 is a schematic view of a conductor structure of the waterproof communication cable of the present invention;
FIG. 3 is a schematic view of a processing apparatus of the present invention;
fig. 4 is a schematic view of the structure of the laminator of the present invention.
In the figure: 1. a pay-off rack; 2. a stranding machine; 3. a gluing machine; 4. a take-up stand; 5. a water tank; 6. an extruder; 7. a preheating machine; 8. a waterproof communication cable; 301. a frame; 302. a PLC; 303. a glue groove; 304. a temperature sensor; 305. a wire inlet; 306. an outlet; 307. fixing a guide concave wheel; 308. a single line concave wheel set; 310. an adjustable guide concave wheel; 310. an eye mold fixing seat; 701. a single core wire layer; 702. a winding layer; 703. a first waterproof filling layer; 704. an outer protective layer; 705. a second waterproof filling layer; 7011. a conductor.
Detailed Description
The invention will be described in further detail with reference to the following drawings and specific embodiments.
As shown in fig. 1-2, a waterproof communication cable includes a single core wire layer 701 formed by a single conductor 7011, a twisted layer 702 formed by twisting a plurality of conductors 7011 is disposed on an outer surface of the single core wire layer 701, a first gap is formed between the conductor 7011 of the single core wire layer 701 and the plurality of conductors 7011 of the twisted layer 702, a first waterproof filling layer 703 formed by glue is filled in the first gap, an outer protection layer 704 is disposed on an outer side of the twisted layer 702, a second gap is formed between the outer protection layer 704 and the plurality of conductors 7011 of the twisted layer 702, and a second waterproof filling layer 705 formed by glue is filled in the second gap.
In this embodiment, the plurality of conductors 7011 of the twisted layer 702 are spirally wound on the conductors 7011 of the single-core wire layer 701.
In this embodiment, the diameter of the conductor 7011 of the single-core wire layer 701 is the same as the diameter of the conductor 7011 of the stranded wire layer 702.
In this embodiment, a plurality of conductors 7011 of the twisted layer 702 are disposed around the axis of the conductor 7011 of the single-core wire layer 701, and the axes of the plurality of conductors 7011 of the twisted layer 702 are located on the same circumference.
This waterproof communication cable 7 passes through the glue solution and forms first waterproof filling layer 703 and second waterproof filling layer 705 between conductor 7011 of single core layer 701 and several conductors 7011 of stranded layer 702 and between outer protective layer 704 and several conductors 7011 of stranded layer 702 to make and sealed between conductor 7011 of single core layer 701 and several conductors 7011 of stranded layer 702 and between outer protective layer 704 and several conductors 7011 of stranded layer 702, increase the waterproof nature of communication cable, thereby increase the life of communication cable.
The single-core wire layer 701 and the stranded layer 702 are independent layers, do not interfere with each other, and can respectively transmit different signals, so that the types of transmission signals of the communication cable are enhanced; on the other hand, the twisted layer 702 wraps the single core layer 701 to protect the single core layer 701, and the single core layer 701 can be used for transmitting relatively important signals, so that the safety of the single core layer 701 is improved, and the interference of the signals in the single core layer 701 is reduced.
As shown in fig. 1 to 4, the present invention also discloses a method for manufacturing a waterproof communication cable, comprising the steps of:
step 10, selecting the material and the size of the single-core wire layer 701 and the conductor 7011 of the stranding layer according to requirements, and arranging the selected conductor 7011 on the pay-off rack 1;
step 20, twisting the conductors 7011 of the plurality of twisted layers together by using the conductor 7011 of the single-core wire layer 701 as a center by using a wire twisting machine 2 to form an inner core wire;
step 30, arranging a take-up frame 4, arranging a take-up shaft on the take-up frame 4, and accommodating the inner core wire on the take-up shaft;
step 40, placing the take-up shaft containing the inner core wire on the pay-off rack 1;
step 50, feeding the inner core wire into a preheating machine 7 for preheating;
step 60, arranging a laminator 3, injecting glue solution into the laminator 3, heating the glue solution, respectively arranging two single-line concave wheel sets 308 at positions close to a wire inlet 305 and a wire outlet 306 in the laminator 3 according to the diameter of an inner core wire, wherein the two single-line concave wheel sets 308 are respectively provided with a plurality of single-line concave wheels from top to bottom;
step 70, feeding the inner core wire into the laminator 3 from the wire inlet 305 of the laminator 3, wherein the inner core wire penetrates through the uppermost single-wire concave wheel of the single-wire concave wheel group 308 close to the wire inlet 305, sequentially penetrates through all the single-wire concave wheels of the two single-wire concave wheel groups 308 from top to bottom, penetrates out of the uppermost single-wire concave wheel of the single-wire concave wheel group 308 close to the wire outlet 306, and is sent out of the laminator 3 from the wire outlet 306 of the laminator 3;
80, conveying the glued inner core wire into an extruder 6, and encapsulating the inner core wire to form an outer protection layer 704;
step 90, sending the encapsulated inner core wire into a water tank 5, and cooling to normal temperature to obtain a waterproof communication cable 8;
step 100, arranging a take-up stand 4, arranging a take-up shaft on the take-up stand 4, accommodating the obtained waterproof communication cable 8 on the take-up shaft of the take-up stand 4, and finishing processing the waterproof communication cable 8.
In this embodiment, in steps 10 to 20, the conductor 7011 includes a copper wire and an aluminum wire.
In this embodiment, in the steps 60 to 70, the laminator 3 includes a frame 301 and a glue groove 303 disposed on an upper surface of the frame 301, a wire inlet 305 communicated with an inside of the glue groove 303 is disposed on an outer side wall of the glue groove 303, a wire outlet 306 communicated with an inside of the glue groove 303 is disposed on an outer side wall of the glue groove 303 opposite to the wire inlet 305, fixed guide concave wheels 307 are disposed inside the glue groove 303 at positions close to the wire inlet 305 and the wire outlet 306, and two single-line concave wheel sets 308 are disposed inside the glue groove 303 at positions between the two fixed guide concave wheels 307.
In this embodiment, the laminator 3 is provided with a temperature adjusting assembly.
In this embodiment, the temperature regulation subassembly includes PLC302, sets up in gluing the hot plate of groove 303 inside wall and setting up in gluing the temperature sensor 304 of bottom surface in groove 303, temperature sensor 304 and hot plate all with PLC302 electrical connection.
In this embodiment, two adjustable guiding concave wheels 309 are disposed at a position corresponding to the wire inlet 305 on the outer side wall of the rubber groove 303, and an eye mold fixing seat 310 is disposed at a position corresponding to the wire outlet 306 on the inner side wall of the rubber groove 303.
In the process of preparing the communication cable, the gluing machine 3 is used as main processing equipment. Set up two sets of single line concave wheel group 308 in the gluing machine 3, through the adjustment to two sets of single line concave wheel group 308 positions and its single line concave wheel quantity, the stroke of interior heart yearn in gluey groove 303 is adjustable to satisfy communication cable's demand.
For fully guaranteeing the temperature control effect of the laminator 3, the temperature control assembly is arranged, so that automatic temperature control can be performed, the temperature of glue liquid in the laminator 3 is guaranteed, and the subsequent processing effect of the communication cable is fully guaranteed.
During processing, the selected conductors 7011 serving as the single-core wire layer 701 and the twisting layers 702 are arranged on the pay-off rack 1, and then the conductors 7011 of the plurality of twisting layers are twisted together by the wire twisting machine 2 by taking the conductors 7011 of the single-core wire layer 701 as the center, so that an inner core wire is formed. And feeding the inner core wire into a gluing machine 3 for gluing. Before the glue coating starts, the positions of the two groups of single-wire concave wheel groups 308 and the number of the single-wire concave wheels are adjusted according to the size of the inner core wire, so that the inner core wire is ensured to have sufficient contact time with the glue solution. And then the inner core wire is encapsulated by an extruder 6 to form an outer protective layer 704, and the waterproof communication cable 8 is obtained after cooling. In order to ensure the insulation of the waterproof communication cable 8, the outer protective layer 704 may be provided as an insulating rubber layer, or may be provided as a protective layer having other functions as required.
The adjustable guide concave wheel 309 is arranged to guide the conductor 7011 into the glue groove 303. The eye mould fixing seat 310 can scrape excessive glue solution on the conductor 7011 after the conductor 7011 is glued, so that the subsequent gluing of the extruder can be smoothly carried out, and the phenomenon that the glue solution is excessive and drops to cause environmental pollution can be prevented.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. The utility model provides a waterproof communication cable, its characterized in that includes the single core line layer that is formed by single conductor, single core line layer surface is equipped with the transposition layer that is formed by the transposition of several conductors, form first clearance between the conductor on single core line layer and the several conductors on transposition layer, first clearance intussuseption is filled with the first waterproof filling layer that is formed by the glue solution, the transposition layer outside is equipped with the outer protective layer, form the second clearance between the several conductors on outer protective layer and transposition layer, second clearance intussuseption is filled with the waterproof filling layer of second that is formed by the glue solution.
2. The waterproof communication cable according to claim 1, wherein the conductors of said twisted layers are helically wound around the conductors of the single-core layer.
3. A water resistant telecommunications cable according to claim 2, wherein the conductor diameter of the single core layer is the same as the conductor diameter of the twisted layer.
4. A water resistant telecommunication cable according to claim 3, characterized in that the conductors of several said twisted layers are arranged around the conductor axis of a single core layer and the conductor axes of several said twisted layers are located on the same circumference.
5. A preparation method of a waterproof communication cable is characterized by comprising the following steps: comprises the following steps of (a) carrying out,
step 10, selecting the material and the size of the conductors of the single-core wire layer and the stranded layer according to requirements, and arranging the selected conductors on a pay-off rack;
step 20, twisting the conductors of the plurality of twisting layers together by using a twisting machine with the conductor of the single-core wire layer as a center to form an inner core wire;
step 30, arranging a take-up stand, arranging a take-up shaft on the take-up stand, and accommodating the inner core wire on the take-up shaft;
step 40, placing the take-up shaft containing the inner core wire on a pay-off rack;
50, feeding the inner core wire into a preheating machine for preheating;
step 60, arranging a laminator, injecting glue solution into the laminator, heating the glue solution, respectively arranging two single-line concave wheel sets at positions close to a wire inlet and a wire outlet in the laminator according to the diameter of an inner core wire, wherein the two single-line concave wheel sets are respectively provided with a plurality of single-line concave wheels from top to bottom;
step 70, feeding the inner core wire into the laminator from a wire inlet of the laminator, wherein the inner core wire penetrates through the uppermost single-wire concave wheel of the single-wire concave wheel group close to the wire inlet, sequentially penetrates through all the single-wire concave wheels of the two single-wire concave wheel groups from top to bottom, penetrates out of the uppermost single-wire concave wheel of the single-wire concave wheel group close to the wire outlet, and is sent out of the laminator from the wire outlet of the laminator;
80, conveying the glued inner core wire into an extruder, and encapsulating the inner core wire to form an outer protective layer;
step 90, sending the encapsulated inner core wire into a water tank for cooling, and cooling to normal temperature to obtain a waterproof communication cable;
and step 100, arranging a take-up stand, arranging a take-up shaft on the take-up stand, storing the obtained waterproof communication cable on the take-up shaft of the take-up stand, and finishing the processing of the waterproof communication cable.
6. The waterproof communication cable according to claim 5, wherein said conductors comprise copper wires and aluminum wires in steps 10, 20 and 40-60.
7. The waterproof communication cable according to claim 5 or 6, wherein in steps 60 to 70, the glue coating machine comprises a frame and a glue groove arranged on the upper surface of the frame, a wire inlet communicated with the inside of the glue groove is formed in the outer side wall of the glue groove, a wire outlet communicated with the inside of the glue groove is formed in the outer side wall of the glue groove opposite to the wire inlet, fixed guide concave wheels are arranged in the glue groove at positions close to the wire inlet and the wire outlet, and two single-wire concave wheel sets are arranged in the glue groove at positions between the two fixed guide concave wheels.
8. The waterproof communication cable of claim 7, wherein a temperature regulating assembly is provided on said glue applicator.
9. The waterproof communication cable according to claim 8, wherein the temperature adjustment assembly comprises a PLC, a heating plate arranged on the inner side wall of the glue groove and a temperature sensor arranged on the inner bottom surface of the glue groove, and the temperature sensor and the heating plate are electrically connected with the PLC.
10. The waterproof communication cable according to claim 9, wherein two adjustable guide concave wheels are oppositely arranged at positions of the outer side wall of the rubber groove corresponding to the wire inlet, and an eye mold fixing seat is arranged at a position of the inner side wall of the rubber groove corresponding to the wire outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111532792.3A CN114267499A (en) | 2021-12-15 | 2021-12-15 | Waterproof communication cable and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111532792.3A CN114267499A (en) | 2021-12-15 | 2021-12-15 | Waterproof communication cable and preparation method thereof |
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| Title |
|---|
| 哈尔滨电工学院、张云廉、卜天民、倪克煌、孙全颖、谈雄伟、应候峥: "电线电缆机械设备", 31 May 1993, 机械工业出版社, pages: 116 - 117 * |
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