CN213958613U - Composite cable - Google Patents
Composite cable Download PDFInfo
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- CN213958613U CN213958613U CN202023287104.5U CN202023287104U CN213958613U CN 213958613 U CN213958613 U CN 213958613U CN 202023287104 U CN202023287104 U CN 202023287104U CN 213958613 U CN213958613 U CN 213958613U
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- composite cable
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- signal line
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Abstract
The utility model discloses a composite cable line relates to vehicle annex technical field. The composite cable comprises an outer sheath and a signal wire arranged in the outer sheath, wherein two ends of the signal wire are respectively used as an input end and an output end of the composite cable, and the signal wire comprises a video signal wire and a power signal wire which are arranged in parallel; meanwhile, in the composite cable, one section between the input end of the composite cable and the output end of the composite cable is set as a spiral telescopic section. Accordingly, a video signal can be transmitted through the video signal line, and a power supply signal can be transmitted through the power supply signal line. On this basis, set up to the flexible section of spiral through the one section composite cable line that will be located between composite cable line's input and the output, when composite cable line received to pull, can make composite cable line more resistant to pull through the extension of the flexible section of spiral or shorten the length change of compensation composite cable line, make composite cable line can have longer life.
Description
Technical Field
The utility model relates to a vehicle annex technical field especially relates to a composite cable line.
Background
The front part of a flat-head commercial vehicle is generally provided with vehicle electric equipment and video equipment. Meanwhile, a cable line may be provided in the vehicle for connecting the electric device and the video device to transmit a power signal and a video signal.
In the in-service use, because the anterior position of crew cut commercial car often needs the upset, can drag the cable conductor, so certain requirement has been proposed to the structural design of cable conductor, needs the cable conductor can be able to bear or endure to drag, can long-term stable use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a composite cable line, on the basis of realizing power signal and video signal transmission, can be resistant to dragging, has longer life.
To achieve the purpose, the utility model adopts the following technical proposal:
a composite cable comprises an outer sheath and a signal wire arranged in the outer sheath, wherein two ends of the signal wire are respectively used as an input end and an output end of the composite cable, the signal wire comprises a video signal wire and a power signal wire which are arranged in parallel, the video signal wire can transmit video signals, and the power signal wire can transmit power signals;
in the composite cable, one section between the input end of the composite cable and the output end of the composite cable is set as a spiral telescopic section.
When the composite cable line is pulled, the composite cable line is more resistant to pulling through the extension of the spiral telescopic section or the length change of the composite cable line is compensated by shortening, so that the composite cable line can have longer service life.
As a preferred technical solution of the composite cable line, the video signal line is configured to transmit a digital video signal.
Optionally, the signal transmission rate of the video signal line is not lower than 8000Mb/S, so as to realize the transmission of high-definition video signals, and provide good viewing experience for customers.
As a preferred technical scheme of the composite cable, the filler is arranged between the signal wire and the outer sheath, so that the buffer protection effect is achieved, the anti-impact performance of the composite cable is enhanced, the composite cable is round, and the appearance quality is better.
Optionally, the filler includes a PP filling rope, and the PP filling rope has good insulation and flexibility, long service life, low cost, and good economical efficiency.
As a preferred technical scheme of the composite cable, the outer sheath is a TPU (thermoplastic polyurethane) tube sleeve, has good toughness, bending resistance and wear resistance, and is suitable for manufacturing a spiral telescopic section.
As a preferred technical scheme of the composite cable, the spiral telescopic section is arranged close to the output end of the composite cable. When the composite cable is used for a flat-head commercial vehicle, the output end of the composite cable is closer to the front part of the flat-head commercial vehicle and is pulled more frequently, so that the composite cable is more beneficial to the spiral telescopic section to play a role of pulling resistance.
As a preferable technical solution of the composite cable line, there are one video signal line and two power signal lines.
As a preferred technical scheme of the composite cable, two ends of the video signal line and two ends of the power signal line both extend out of the outer sheath, so that the video signal line is electrically connected with the video signal source and the video equipment respectively, and the power signal line is electrically connected with the power supply and the electric equipment respectively.
As a preferred technical scheme of the composite cable, plug terminals are respectively arranged at two ends of the video signal line and two ends of the power signal line, so as to realize quick connection between the video signal line and a video signal source/video device and between the power signal line and a power source/electric device.
The utility model has the advantages that:
the utility model provides a composite cable line, through setting up the composite cable line that contains video signal line and power signal line, can pass through video signal line transmission video signal, through power signal line transmission power signal. On this basis, set up to the flexible section of spiral through the one section composite cable line that will be located between composite cable line's input and the output, when composite cable line received to pull, can make composite cable line more resistant to pull through the extension of the flexible section of spiral or shorten the length change of compensation composite cable line, make composite cable line can have longer life.
Drawings
Fig. 1 is a schematic overall structure diagram of a composite cable according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structure diagram of a composite cable provided in an embodiment of the present invention.
In the figure:
1. an outer sheath; 2. a signal line; 21. a video signal line; 211. a first shielding protection layer; 22. a power supply signal line; 221. a second shielding protection layer; 3. a filler;
10. a spiral telescopic section.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The present embodiment provides a composite cable wire including, as shown in fig. 1 and 2, an outer sheath 1 and a signal wire 2 disposed inside the outer sheath 1. The signal line 2 includes a video signal line 21 and a power supply signal line 22 arranged in parallel. Here, a video signal can be transmitted through the video signal line 21, and a power supply signal can be transmitted through the power supply signal line 22.
Meanwhile, one end of the signal wire 2 is used as the input end of the composite cable wire, and the other end of the signal is used as the output end of the composite cable wire. In this embodiment, for the composite cable, a section between the input end and the output end is set as the spiral telescopic section 10. At this moment, under the effect of spiral flexible section 10, when the composite cable line received the pulling, can compensate composite cable line's length variation through the extension of spiral flexible section 10 or shortening, make composite cable line more resistant pulling, make composite cable line can have longer life.
In this embodiment, the flexible section of spiral 10 adopts central spiral to handle, makes composite cable line can stretch, kick-back, satisfies the user demand of the front portion position of crew cut commercial car.
In addition, it can be understood that when the composite cable is used for a flathead commercial vehicle, the input end of the composite cable is electrically connected with the power supply and the video signal source respectively, and the output end of the composite cable is electrically connected with the electric equipment and the video equipment at the front part of the flathead commercial vehicle respectively, so that the transmission of the power supply signal and the video signal is realized.
Further, considering that when the composite cable is used in a flathead commercial vehicle, the output end of the composite cable is closer to the front part of the flathead commercial vehicle and is pulled more frequently, in this embodiment, the spiral telescopic section 10 is arranged closer to the output end of the composite cable, so that the spiral telescopic section 10 can better exert the anti-pulling effect. More clearly, the distance between the helical stretch 10 and the output end of the composite cable line along the length of the composite cable line should be less than the distance between the helical stretch 10 and the input end of the composite cable line. In addition, the radial size, the length size and the like of the spiral telescopic section 10 can be set according to actual needs, and are not described in detail herein.
Next, specific arrangements of the respective portions in the composite cable line will be described.
Alternatively, the outer sheath 1 is provided as a TPU (Thermoplastic polyurethane) tube sleeve, which is fitted to the outside of the video signal line 21 and the power signal line 22. The TPU pipe sleeve has good obdurability, bending resistance and wear resistance, and is suitable for manufacturing the spiral telescopic section 10. More specifically, TPU pipe sleeves have the following advantages: the tensile strength and the elongation are high, and the bearing capacity, the impact resistance and the shock absorption performance are good; the low temperature resistance is excellent, and the paint can adapt to severe cold environment in winter; the tear strength is high, and the cracking is not easy to occur; has the halogen-free flame retardant characteristic and can not cause pollution to the environment.
Optionally, a filler 3 is disposed between the signal line 2 and the outer sheath 1 to play a role of buffer protection, so as to enhance the anti-impact performance of the composite cable, and to make the composite cable more round and better in appearance quality. In this example, a PP (Polypropylene) filler rope was used as the filler 3. The PP filling rope has good insulativity and flexibility, long service life, lower cost and good economical efficiency. In practice, a flame-retardant filler may be added to the filler 3 to improve the flame-retardant property.
In the present embodiment, the signal lines 2 include one video signal line 21 and two power signal lines 22 in total, and the filler 3 is disposed between the three signal lines 2 and the outer sheath 1.
As for the video signal line 21, the video signal transmitted thereto is a digital video signal. Further, when the video signal line 21 transmits a digital video signal, the signal transmission rate thereof can reach at least 8000 Mb/S. Therefore, compared with a common video signal transmission line for transmitting analog video signals, the video signal line 21 provided by the present embodiment can realize transmission of high definition video signals, and provide a good viewing experience for customers. In this embodiment, the video signal line 21 is set as an RG174 coaxial cable line to meet the requirement of high definition video signal transmission.
For two power supply signal lines 22, one of the power supply signal lines 22 is a positive power supply signal line 22, and the other power supply signal line 22 is a negative power supply signal line 22. Since the structures of the positive power signal line 22 and the negative power signal line 22 are prior art, they will not be described in detail herein.
More specifically, as shown in fig. 2, the outermost layer of the video signal line 21 is provided as a first shielding layer 211 to prevent the transmission of the video signal from being disturbed. The outermost layer of the power signal line 22 is provided as a second shield layer 221 to prevent transmission of the power signal from being disturbed.
In terms of the overall structure, as shown in fig. 1, both ends of the video signal line 21 extend out of the outer sheath 1, so that the video signal line 21 is electrically connected to the video signal source and the video device, respectively. Similarly, the two ends of the power signal line 22 extend out of the outer sheath 1, so that the power signal line 22 is electrically connected to the power source and the electric device.
In this embodiment, the two ends of the video signal line 21 are respectively provided with a plug terminal, and the two ends of the power signal line 22 are also respectively provided with a plug terminal, so as to realize quick connection between the video signal line 21 or the power signal line 22 and other devices. Since the structures of the jack terminal for the video signal line 21 and the jack terminal for the power signal line 22 are prior art, they will not be described in detail herein.
To sum up, the embodiment provides a composite cable line, and it has following advantage:
(1) a video signal may be transmitted through the video signal line 21, and a power supply signal may be transmitted through the power supply signal line 22; on the basis, one section of the composite cable is set to be the spiral telescopic section 10, when the composite cable is pulled, the length change of the composite cable can be compensated through the extension or shortening of the spiral telescopic section 10, so that the composite cable is more resistant to pulling, and the composite cable can have longer service life;
(2) digital video signals can be transmitted through the video signal line 21, and the signal transmission rate can reach at least 8000Mb/S, so that the transmission of high-definition video signals is realized, and good user watching experience can be provided;
(3) the outer sheath 1 is arranged into the TPU pipe sleeve, so that the outer sheath 1 has the advantages of good toughness, good bending resistance, good wear resistance and the like, and the service life of the composite cable is prolonged;
(4) through set up filler 3 between signal line 2 and oversheath 1, can play the effect of buffering protection, the anti impact pressure performance of reinforcing composite cable line makes composite cable line more round simultaneously, and appearance quality is better.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (10)
1. A composite cable is characterized by comprising an outer sheath (1) and a signal wire (2) arranged inside the outer sheath (1), wherein two ends of the signal wire (2) are respectively used as an input end and an output end of the composite cable, and the signal wire (2) comprises a video signal wire (21) and a power signal wire (22) which are arranged in parallel;
in the composite cable, one section between the input end of the composite cable and the output end of the composite cable is set as a spiral telescopic section (10).
2. The composite cable line of claim 1, wherein the video signal line (21) is configured to transmit a digital video signal.
3. The composite cable of claim 2, wherein the video signal line (21) has a signal transmission rate of not less than 8000 Mb/S.
4. The composite electrical cable of claim 1, wherein a filler (3) is disposed between the signal wire (2) and the outer jacket (1).
5. The composite electrical cable of claim 4, wherein the filler (3) comprises a PP filler rope.
6. The composite cable wire of claim 1, wherein the outer jacket (1) is provided as a TPU sleeve.
7. The composite electrical cable of claim 1 wherein the helical flex (10) is disposed proximate the output end of the composite electrical cable.
8. The composite cable line according to any one of claims 1 to 7, wherein there is one video signal line (21) and two power signal lines (22).
9. The composite cable line according to any one of claims 1 to 7, wherein both ends of the video signal line (21) and both ends of the power signal line (22) are disposed to protrude from the outer sheath (1).
10. The composite cable line according to any one of claims 1 to 7, wherein both ends of the video signal line (21) and both ends of the power signal line (22) are provided with plug terminals, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023287104.5U CN213958613U (en) | 2020-12-30 | 2020-12-30 | Composite cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023287104.5U CN213958613U (en) | 2020-12-30 | 2020-12-30 | Composite cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213958613U true CN213958613U (en) | 2021-08-13 |
Family
ID=77197493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023287104.5U Active CN213958613U (en) | 2020-12-30 | 2020-12-30 | Composite cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213958613U (en) |
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2020
- 2020-12-30 CN CN202023287104.5U patent/CN213958613U/en active Active
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