CN214428347U - Automobile fault diagnosis connecting wire - Google Patents
Automobile fault diagnosis connecting wire Download PDFInfo
- Publication number
- CN214428347U CN214428347U CN202022844472.9U CN202022844472U CN214428347U CN 214428347 U CN214428347 U CN 214428347U CN 202022844472 U CN202022844472 U CN 202022844472U CN 214428347 U CN214428347 U CN 214428347U
- Authority
- CN
- China
- Prior art keywords
- line
- network transmission
- fault diagnosis
- wires
- stranded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model belongs to the technical field of on-vehicle diagnostic system, concretely relates to automobile fault diagnosis connecting wire, including the network transmission line that is used for high frequency signal transmission, the control line that is used for the control circuit break-make, the power cord that is used for current transmission, twine in the non-woven fabrics median outside network transmission line, control line and power cord, cladding in the outside shielding layer of non-woven fabrics median, and cladding in the outside tegument of shielding layer; the network transmission line, the control line and the power line all comprise stranded conductors and insulating layers coated outside the stranded conductors, and the stranded conductors are formed by stranding annealed copper wires, copper foil wires and nonmetal fiber wires. The utility model provides a vehicle failure diagnosis connecting wire not only has good resistant bending performance, has good high temperature resistant and flame retardant property moreover.
Description
Technical Field
The utility model belongs to the technical field of on-vehicle diagnostic system, concretely relates to automobile fault diagnosis connecting wire.
Background
The OBD is a vehicle-mounted diagnosis system, is mainly used for monitoring the running condition of an engine and the working state of an exhaust aftertreatment system at any time, and can immediately send out a warning once the condition that the emission possibly exceeds the standard is found. When the system has a fault, a fault lamp or a warning lamp for checking the engine is turned on, meanwhile, the OBD system stores fault information into a memory, relevant information is read in the form of fault codes through a standard diagnostic instrument and a diagnostic interface, and maintenance personnel can quickly and accurately determine the nature and the position of the fault according to the prompt of the fault codes. In the prior art, a connecting wire applied to an OBD system generally adopts a metal made of a single material as a conductor, so that the connecting wire is poor in bending resistance and easy to break.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides an automobile fault diagnosis connecting wire.
The utility model discloses the technological effect that will reach realizes through following technical scheme:
the utility model provides an automobile fault diagnosis connecting wire, including the network transmission line that is used for high frequency signal transmission, the control line that is used for the control circuit break-make, the power cord that is used for current transmission, twine in the non-woven fabrics median outside network transmission line, control line and power cord, cladding in the shielding layer of non-woven fabrics median outside, and cladding in the tegument of shielding layer outside; the network transmission line, the control line and the power line all comprise stranded conductors and insulating layers coated outside the stranded conductors, and the stranded conductors are formed by stranding annealed copper wires, copper foil wires and nonmetal fiber wires.
Compared with the conductor made of a single material in the prior art, the stranded conductor formed by stranding the annealed copper wires, the copper foil wires and the non-metal fiber wires can effectively improve the bending resistance of the connecting wire and avoid the fracture of the connecting wire in the repeated testing process; in addition, the outside cladding of each stranded conductor of connecting wire has the insulating layer, the whole outside cladding of stranded conductor again has the tegument, and insulating layer and tegument are high temperature resistant fire-retardant material, consequently can effectual high temperature resistant and the fire behaviour of improvement connecting wire.
Furthermore, the annealed copper wires, copper foil wires and non-metal fiber wires are stranded by adopting a lay length of 10-35 times of the stranded outer diameter of the stranded conductor.
Furthermore, the network transmission lines are arranged in the center of the connecting line side by side and are in a 2-4-pair double-strand stranded conductor structure, and the wire gauge is 26-22 AWG.
Further, the pair-twisting pitch of the double-stranded conductor structure is 5-10 times of the twisting outer diameter of the stranded conductor.
Further, the power supply line is arranged at the junction of the network transmission line and is of a 2-4 single stranded conductor structure, and the wire gauge is 22-14 AWG.
Further, the control line is arranged outside the network transmission line and/or at the junction of the network transmission line and the power supply line, and is of a single stranded conductor structure with 2-18 pieces, and the wire gauge is 28-20 AWG. Furthermore, the insulating layer is made of Teflon, XLPE or cross-linked polypropylene plastic.
Furthermore, nylon wires are filled between the network transmission lines, the control lines and the power lines and the non-woven fabric isolation belts.
Furthermore, the shielding layer is an aluminum foil layer or a copper foil layer, and a ground wire is arranged in the shielding layer.
Further, the outer coating layer is made of PVC, TPE, TPU or MPPE.
To sum up, the utility model discloses an automobile fault diagnosis connecting wire has following useful part at least:
the automobile fault diagnosis connecting wire, the network transmission line, the control line and the power line of the utility model all adopt the stranded wire formed by twisting the annealed copper wire, the copper foil wire and the non-metal fiber wire as the conductor, so that the bending resistance of the connecting wire can be effectively improved; the outside cladding of each stranded conductor has the insulating layer, the whole outside cladding of stranded conductor has the tegument, and insulating layer and tegument are high temperature resistant fire-retardant material, consequently can the effectual high temperature resistant and the fire behaviour that improve the connecting wire.
Drawings
Fig. 1 is the embodiment of the utility model provides an in the embodiment cross-sectional structure sketch map of vehicle failure diagnosis connecting wire.
Fig. 2 is a schematic cross-sectional structure diagram of the network transmission line, the control line and the power line in the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention will be combined to clearly and completely describe the technical solutions of the embodiments of the present invention. The described embodiments are some, but not all embodiments of the invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, in a preferred embodiment, the connecting wire for diagnosing automobile failure of the present invention comprises a network transmission line 10 for transmitting high frequency signals, a control line 20 for controlling the on/off of a loop, a power line 30 for transmitting current, a non-woven fabric isolation strip 40 wound outside the network transmission line 10, the control line 20 and the power line 30, a shielding layer 50 covering the non-woven fabric isolation strip 40, and an outer coating layer 60 covering the shielding layer 50, wherein nylon filaments 70 are filled between the network transmission line 10, the control line 20, the power line 30 and the non-woven fabric isolation strip 40.
The network transmission line 10, the control line 20 and the power line 30 each include a stranded conductor 11, and an insulating layer 12 covering the stranded conductor 11, as shown in fig. 2; and the stranded conductor 11 is formed by stranding annealed copper wires, copper foil wires and non-metal fiber wires. Compared with the connecting wire adopting a single material as a conductor in the prior art, the conductor with the stranded structure in the embodiment can effectively improve the bending resistance of the connecting wire and avoid the connecting wire from being broken in the repeated testing process; preferably, the annealed copper wires, copper foil wires and non-metallic fiber wires are stranded by using a lay length of 10-35 times of the stranded outer diameter of the stranded conductor.
In order to further optimize the whole structure, the network transmission lines 10 are arranged in the center of the connecting line side by side, and the wire gauge is 26-22 AWG; preferably, the network transmission line 10 is a 3-pair double-stranded conductor structure, the 3-pair double-stranded conductor structure is distributed in a triangular shape, the pair-stranded pitch is 5-10 times of the stranded outer diameter of the stranded conductor, and the differential characteristic impedance is 100 Ω +/-15 Ω; the triangularly distributed network transmission lines 10 are used as the central part of the connection line, so that the stability and the roundness inside the connection line can be effectively ensured. The power line 30 is arranged at the junction of the network transmission line 10 and is combined with the network transmission line 10 to form a main structure part of a connecting line, and the wire gauge is 22-14 AWG; preferably, the power conductor 30 is a 2-4 single strand conductor structure. The control line 20 is arranged outside the network transmission line 10 and/or at the junction of the network transmission line 10 and the power line 30, and the wire gauge is 28-20 AWG; preferably, the control wire 20 is a 2-18 single strand conductor structure.
The connecting line adopts a combination of a network transmission line 10 with a larger line diameter and a power line 30 as a main structure part, a control line 20 is arranged outside the network transmission line 10 and/or at the junction of the network transmission line 10 and the power line 30 to form a complete main transmission part of the connecting line, and the network transmission line 10 is in a twisted structure; therefore, the combined connecting wire not only can effectively ensure the stability of the internal structure of the connecting wire, but also can further effectively improve the bending resistance of the connecting wire; in addition, the control line 20 can be adaptively selected according to actual production needs to meet the connection needs of different components. In order to ensure the high temperature resistance and flame retardant property inside the connecting wire, the insulating layer 12 is preferably made of teflon, XLPE or cross-linked polypropylene plastic.
The non-woven fabric isolation belt 40 is used for wrapping the inside of the connecting wire integrally, and the high-efficiency transmission performance of signals is guaranteed. The nylon wire 70 is used for filling gaps inside the connecting wire, and the stability of the internal structure of the connecting wire is further improved. The shielding layer 50 is used for shielding external interference signals, improves the anti-interference shielding performance of connecting wire, preferably aluminium foil layer, copper foil layer or Nanchang union can technology limited C shield series electromagnetic shielding film product, and still be equipped with ground wire 80 in the shielding layer 50, ground wire 80 can make up into whole shielding layer with the shielding layer 50 and make the connecting wire inside not receive outside electromagnetic interference, and the effectual inside signal leakage that prevents of connecting wire avoids signal leakage to influence outside other equipment. The outer coating 60 is used for preventing the shielding layer 50 from being corroded and protecting the shielding layer 50 from being influenced by the outside and mechanical damage, and preferably, the outer coating 60 is made of flame-retardant PVC, TPE, TPU or MPPE, can not deform or melt at the temperature of-40-105 ℃, and has good high-temperature resistance and flame retardance and good weather resistance.
According to the technical scheme of above-mentioned embodiment, the utility model provides an automobile fault diagnosis connecting wire not only has good resistant bending performance, has good high temperature resistant and flame retardant property moreover.
While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.
Claims (10)
1. A connecting line for automobile fault diagnosis comprises a network transmission line for high-frequency signal transmission, a control line for controlling the on-off of a loop, a power line for current transmission, a non-woven fabric isolation strip wound outside the network transmission line, the control line and the power line, a shielding layer coated outside the non-woven fabric isolation strip, and an outer tegument layer coated outside the shielding layer; it is characterized in that the preparation method is characterized in that,
the network transmission line, the control line and the power line all comprise stranded conductors and insulating layers coated outside the stranded conductors, and the stranded conductors are formed by stranding annealed copper wires, copper foil wires and nonmetal fiber wires.
2. The automotive fault diagnosis connection wire according to claim 1, wherein the annealed copper wires, copper foil wires and non-metallic fiber wires are stranded with a lay length of 10 to 35 times the stranded outer diameter of the stranded conductor.
3. The automotive failure diagnosis connection line of claim 1, wherein the network transmission lines are arranged side by side in the center of the connection line in a 2-4 pair twinned conductor structure.
4. The automotive fault diagnosis connection line according to claim 3, wherein the twisted pair pitch of the twinned conductor structure is 5-10 times the outer diameter of the twisted conductor.
5. The automotive fault diagnosis connection cable of claim 1, wherein the power supply line is disposed at the junction of the network transmission lines in a 2-4 single strand conductor configuration with a wire gauge of 22-14 AWG.
6. The automotive fault diagnosis connection line of claim 1, wherein the control line is disposed outside the network transmission line and/or at the interface of the network transmission line and the power supply line in a 2-18 single strand conductor configuration with a wire gauge of 28-20 AWG.
7. The automotive fault diagnosis connection line of claim 1, wherein the insulation layer is made of teflon, XLPE or cross-linked polypropylene plastic.
8. The automotive fault diagnosis connection line according to claim 1, wherein nylon wires are filled between the non-woven fabric isolation belts and the network transmission lines, the control lines and the power lines.
9. The automotive fault diagnosis connection wire of claim 1, wherein the shielding layer is an aluminum foil layer or a copper foil layer and is internally provided with a ground wire.
10. The automotive fault diagnosis connection line of claim 1, wherein the outer layer is made of PVC, TPE, TPU or MPPE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022844472.9U CN214428347U (en) | 2020-12-02 | 2020-12-02 | Automobile fault diagnosis connecting wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022844472.9U CN214428347U (en) | 2020-12-02 | 2020-12-02 | Automobile fault diagnosis connecting wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214428347U true CN214428347U (en) | 2021-10-19 |
Family
ID=78050352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022844472.9U Active CN214428347U (en) | 2020-12-02 | 2020-12-02 | Automobile fault diagnosis connecting wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214428347U (en) |
-
2020
- 2020-12-02 CN CN202022844472.9U patent/CN214428347U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214428347U (en) | Automobile fault diagnosis connecting wire | |
| CN106328276A (en) | Cable for electric vehicle charging pile and manufacturing method thereof | |
| CN200997322Y (en) | Drilling shielded power cable for petroleum platform | |
| CN106558367B (en) | A kind of electric vehicle rapid charging cable and preparation method thereof | |
| CN211045108U (en) | Corrosion-resistant through ground wire cable for railway | |
| CN211455383U (en) | Novel this ampere of instrument cable | |
| CN203812638U (en) | Composite power cable | |
| CN201741501U (en) | Wire breakage detection device for cables | |
| CN219163030U (en) | Composite communication automobile wire | |
| CN201773628U (en) | Multi-core shielding type cable for locomotive vehicle | |
| CN214588134U (en) | Flame-retardant armored security system combination cable | |
| CN201812511U (en) | Signal monitoring and control cable for safety monitoring system of ocean-going large ship | |
| CN217468014U (en) | High flame retardant sensor cable for automobile | |
| CN204463940U (en) | A kind of resistance to torsion anti-interference blower fan tower bucket control cables | |
| CN217740225U (en) | Bending-resistant low-smoke halogen-free power cable for new energy vehicle charging device | |
| CN207833974U (en) | One kind is from early warning type railcar oil resistant ultra-thin-wall shielded multiconductor cable | |
| CN220235002U (en) | Optical fiber composite intelligent heating cable | |
| CN219476374U (en) | PVC cable tube with high temperature resistance and flame retardance | |
| CN211125084U (en) | Anti-bending alternating current charging cable | |
| CN216957536U (en) | Vehicle-mounted easy-to-peel off hundred-million Ethernet cable | |
| CN219958572U (en) | Low-delay wire for automobile DMS | |
| CN216487434U (en) | Medium-voltage high-strength multiple waterproof cable for urban rail transit | |
| CN217239122U (en) | Marine high temperature resistant cable | |
| CN219497412U (en) | One-stop type multifunctional composite wire | |
| CN215183136U (en) | Reel medium voltage cable for shore power system power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |