CN216623875U - Automobile cable - Google Patents
Automobile cable Download PDFInfo
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- CN216623875U CN216623875U CN202220026291.1U CN202220026291U CN216623875U CN 216623875 U CN216623875 U CN 216623875U CN 202220026291 U CN202220026291 U CN 202220026291U CN 216623875 U CN216623875 U CN 216623875U
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- transmission line
- signal control
- sinle silk
- control transmission
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Abstract
The utility model discloses an automobile cable which comprises a sheath layer, an isolation layer coated by the sheath layer, a plurality of groups of combined wire cores and fillers, wherein the groups of combined wire cores and the fillers are accommodated in the isolation layer, the groups of combined wire cores are formed by twisting a first wire core and a second wire core, the first wire core comprises a shielding layer and a plurality of signal control transmission wire cores which are mutually twisted and coated by the shielding layer, and the second wire core is a plurality of operating electric energy transmission wire cores which are twisted with the first wire core. The utility model is convenient to use in the environment of monitoring automobile urea and ensures the safe and efficient work of the cable.
Description
Technical Field
The utility model belongs to the technical field of cables, and particularly relates to an automobile cable.
Background
As automotive exhaust gas purification systems are upgraded, molecular sieve SCR will become the mainstream choice for automotive exhaust gas purification systems, and thus automotive exhaust gas treatment cables are not new. Traditional car electric wire cleanliness, anti urea performance, with compressive strength and compressive strength performance deviation, the risk appears easily in the in-service use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide an automobile cable which is convenient to use when automobile urea is monitored.
In order to achieve the purpose, the specific technical scheme of the utility model is as follows:
the utility model provides an automobile cable, this cable includes the restrictive coating, by restrictive coating cladding isolation layer, holds at the intraformational multiunit combination sinle silk of isolation and filler, multiunit the combination sinle silk is formed by first sinle silk and second sinle silk transposition, first sinle silk includes the shielding layer, is formed by the signal control transmission sinle silk of the many mutual transposition of shielding layer cladding, the second sinle silk be many with the operation electric energy transmission sinle silk of first sinle silk transposition.
From this, this cable carries out the integrated design with operation electric energy transmission sinle silk and signal control transmission sinle silk, and the electric wave that each wire radiated out in the transmission can be offset by the electric wave of sending out on another line, has effectively reduced the degree of signal interference like this, provides the safety guarantee to urea liquid monitoring, and the cable can effectual control and the content of monitoring urea aqueous solution in the use, has solved automobile exhaust pollution's problem, conveniently uses under the monitoring car urea environment.
Further, the signal control transmission line core comprises a signal control transmission line insulating layer and a signal control transmission line conductor coated by the signal control transmission line insulating layer;
the operation electric energy transmission line core comprises an operation electric energy transmission line insulating layer and an operation electric energy transmission line conductor coated by the operation electric energy transmission line insulating layer.
Furthermore, the signal control transmission line conductor and the operation electric energy transmission line conductor are formed by twisting phi 0.15-0.25 mm copper conductors, and the phi is preferably 0.2 mm.
Still further, the sectional areas of the signal control transmission line conductor and the operation electric energy transmission line conductor are both 0.3mm2—1mm2Preferably, the cross-sectional area is 0.7 mm2。
Still further, the signal control transmission line insulating layer and the operation electric energy transmission line insulating layer are made of polyvinyl chloride insulating layer materials.
Furthermore, the shielding layer covers two signal control transmission wire cores which are mutually twisted, and the first wire core is twisted with the two running electric energy transmission wire cores.
Still further, the sheath layer is made of a polypropylene material.
Further, the filler is cotton thread filled.
In addition, the isolation layer is a cabling tape.
In addition, the cabling tape is a paper tape.
The utility model has the following advantages: the monitoring device is convenient to use and install in the automobile urea monitoring environment, safe and efficient work of the cable is guaranteed, cost can be effectively saved, and the pollution of automobile exhaust is reduced.
Drawings
Fig. 1 is a schematic view of the structure of the automotive cable of the present invention.
The notation in the figure is: 1. a first wire core; 2. a second wire core; 3. an isolation layer; 4. a filler; 5. a sheath layer; 9. a shielding layer; 11. a signal control transmission wire core; 12. a signal control transmission line conductor; 13. a signal control transmission line insulating layer; 21. operating the electric energy transmission wire core; 22. operating the power transmission line conductor; 23. an operating power transmission line insulation layer.
Detailed Description
For a better understanding of the objects, structure and function of the utility model, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.
As shown in fig. 1, the automotive cable of the present invention includes a sheath layer 5, an isolation layer 3 covered by the sheath layer 5, a plurality of groups of combined wire cores 8 and fillers 4 accommodated in the isolation layer 3. The sheath layer 5 is made of environment-friendly flame-retardant high-hardness high-cleanliness polypropylene materials, the filler 4 is filled with high-strength environment-friendly cotton threads, the isolation layer 3 is a cabling wrapping tape, and the cabling wrapping tape is made of environment-friendly paper tapes.
The multiple groups of combined wire cores 8 are formed by twisting a first wire core 1 and a second wire core 2, the first wire core 1 comprises a shielding layer 9 and two signal control transmission wire cores 11 which are twisted with each other and are coated by the shielding layer 9, and the second wire core 2 comprises two running electric energy transmission wire cores 21 which are twisted with the first wire core 1. The signal control transmission line core 11 includes a signal control transmission line insulating layer 13, and a signal control transmission line conductor 12 coated with the signal control transmission line insulating layer 13. The operation power transmission core 21 includes an operation power transmission line insulating layer 23, and an operation power transmission line conductor 22 covered with the operation power transmission line insulating layer 23.
The signal control transmission line conductor 12 and the operation electric energy transmission line conductor 22 are formed by twisting phi 0.15-0.25 mm copper conductors, and the cross sections of the signal control transmission line conductor 12 and the operation electric energy transmission line conductor 22 are 0.3mm2—1mm2。
The signal control transmission line insulating layer 13 and the operation electric energy transmission line insulating layer 23 are made of environment-friendly flame-retardant high-hardness high-cleanliness polyvinyl chloride insulating layer materials.
A pair of signal control transmission wire cores are stranded as a unit and then are stranded with two running electric energy transmission wire cores as a whole. And the lay length of a pair of signal control transmission wire cores is not more than 33.3mm, the lay pitch of the other pair of running electric energy transmission wire cores is not less than 110mm, and when the whole cable sheath is stripped by 100mm, two power wires are in a linear state without twisting traces, copper conductors of two insulating layers are mutually twisted together according to a certain density, and electric waves radiated by each conducting wire in transmission can be counteracted by electric waves emitted by the other wire, so that the degree of signal interference is effectively reduced, and safety guarantee is provided for monitoring urea liquid.
The core conductors of the utility model all adopt the fifth type of copper conductors, the conductor performance conforms to the conductor specification in ASTM B3 and ISO 6722-1, and the core conductors are easy to install and use.
The cable has the pressure resistance, and does not crack and change in outer diameter within 168h in an environment with the pressure of 5 MPA.
The cable has the urea liquid corrosion resistance, and the expansion rate is less than or equal to 1 percent in urea liquid containing 32.5 percent of AdBlue at the temperature of 55 ℃ within 1600 h.
The cable has cleanliness performance.
The cable has the performances of long-term and short-term aging resistance, thermal overload resistance, solvent resistance, ozone resistance, low temperature resistance, impact resistance, liquid resistance, flame retardation resistance and the like.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The utility model provides an automotive cable, includes restrictive coating (5), by restrictive coating (5) coated isolation layer (3), holds multiunit combination sinle silk (8) and filler (4) in isolation layer (3), its characterized in that, multiunit combination sinle silk (8) are twisted by first sinle silk (1) and second sinle silk (2) and form, signal control transmission sinle silk (11) of many mutual transposition of shielding layer (9) cladding are drawn together to first sinle silk (1), second sinle silk (2) be many with operation electric energy transmission sinle silk (21) of first sinle silk (1) transposition.
2. Automotive cable according to claim 1, characterized in that the signal control transmission core (11) comprises a signal control transmission line insulation layer (13), a signal control transmission line conductor (12) being coated by the signal control transmission line insulation layer (13);
the operation electric energy transmission wire core (21) comprises an operation electric energy transmission line insulating layer (23) and an operation electric energy transmission line conductor (22) coated by the operation electric energy transmission line insulating layer (23).
3. Automotive cable according to claim 2, characterized in that said signal control transmission line conductor (12) and said operating electric power transmission line conductor (22) are stranded by means of phi 0.15-0.25 mm copper conductors.
4. Automotive cable according to claim 2, characterized in that the signal control transmission line conductor (12) and the operating power transmission line conductor (22) each have a cross-sectional area of 0.3mm2—1mm2。
5. Automotive cable according to claim 2, characterised in that the signal control transmission line insulation (13) and the operating power transmission line insulation (23) are made of polyvinyl chloride insulation material.
6. Automotive cable according to claim 1, characterised in that said shielding layer (9) covers two signal control transmission cores (11) twisted with each other, said first core (1) being twisted with two operating power transmission cores (21).
7. Automotive cable according to any one of claims 1 to 6, characterized in that said sheath layer (5) is made of polypropylene material.
8. The automotive cable according to any one of claims 1 to 6, characterized in that the filler (4) is a cotton-filled.
9. The automotive cable according to any one of claims 1 to 6, characterized in that the barrier layer (3) is a cabling tape.
10. The automotive cable of claim 9, wherein the cabling tape is paper tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220026291.1U CN216623875U (en) | 2022-01-07 | 2022-01-07 | Automobile cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220026291.1U CN216623875U (en) | 2022-01-07 | 2022-01-07 | Automobile cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216623875U true CN216623875U (en) | 2022-05-27 |
Family
ID=81688581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220026291.1U Active CN216623875U (en) | 2022-01-07 | 2022-01-07 | Automobile cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216623875U (en) |
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2022
- 2022-01-07 CN CN202220026291.1U patent/CN216623875U/en active Active
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