CN203118550U - Low voltage differential signal (LDVS) cable for automobile wire - Google Patents
Low voltage differential signal (LDVS) cable for automobile wire Download PDFInfo
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- CN203118550U CN203118550U CN 201320092129 CN201320092129U CN203118550U CN 203118550 U CN203118550 U CN 203118550U CN 201320092129 CN201320092129 CN 201320092129 CN 201320092129 U CN201320092129 U CN 201320092129U CN 203118550 U CN203118550 U CN 203118550U
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Abstract
The utility model discloses a low voltage differential signal (LDVS) cable for an automobile wire. The LDVS cable for the automobile wire comprises a protecting casing layer, a braided fabric layer, an aluminum foil layer, conductors and a ground lead, wherein an insulating layer wraps the outer portion of each conductor, the aluminum foil layer wraps the outer portion of the insulating layers, the ground lead is arranged between the aluminum foil layer and the braided fabric layer, and the protecting casing layer wraps the outer portion of the braided fabric layer. By utilization of the cable structure of the LDVS cable for the automobile wire, when a signal is transmitted, losses are small, the anti-interference ability is strong, and double-layer shielding of poly aluminum foil and mylar is adopted by the signal of the LDVS cable for the automobile wire to ensure transmission performance, and a tin plating conductor braided mesh of certain density is used on the outermost layer for ensuring transmission performance and carrying out protection on the cable.
Description
Technical field
The utility model relates to a kind of automobile electric wire LVDS cable.
Background technology
LVDS cable i.e. (Low-Voltage Differential Signaling) low-voltage differential signal cable, a kind of signal transfer mode that was proposed by National Semiconductor in 1994, it is a kind of level standard, LVDS is the Low Voltage Differential Signal transmission, is a kind of new technique that current high-performance data transmission is used that satisfies.Because it can make system's supply power voltage be low to moderate 2V, so it can also satisfy the following needs of using.This technology is based on the ANSI/TIA/EIA-644LVDS interface standard.The LVDS technology has Low Voltage Differential Signal (250mVMINand450mVMAX) and the quick transit time of 330mV.This can allow product reach from 100Mbps to the high data rate that surpasses 1Gbps.In addition, this low pressure amplitude of oscillation can reduce power consumption and dissipate, and possesses the advantage of differential transfer simultaneously.The LVDS technology is used for the interface communication chipset of simple line driver and receiver physical layer device and more complicated.The multiplexed TTL at a slow speed of the multiplexed reconciliation of channel link chipset signal line is to provide narrow formula high-speed low-power-consumption LVDS interface.These chipsets can significantly be saved cable and the connector cost of system, and can reduce the required physical space of connector area occupied.The LVDS solution provides new selection for the designer solves the high-speed i/o interface problem.LVDS uses the scheme that the every kilomegabit of milliwatt is provided for the current and following high band wide data transmission.More advanced bus LVDS (BLVDS) grows up on the LVDS basis, and bus LVDS (BLVDS) is based on a new range of the bus interface circuit of LVDS technology, is specifically designed to realize multiple spot cable or backboard application.It is different from the LVDS of standard, and the drive current of enhancing is provided, to handle required duplicate transmissions in the multiple spot application.BLVDS possesses the Low Voltage Differential Signal of about 250mV and transit time fast.This can allow product reach from 100Mbps to the high data rate that surpasses 1Gbps.In addition, the low-voltage amplitude of oscillation can reduce power consumption and noise to minimizing.Differential data transmission configuration provide source bus+/-1V common mode range and hot swap devices.When the cable of this technology is used for car multimedia video-audio signal transmission system, make between hand-hold multimedia and the car multimedia and carry out interactive exchange message with quicker, more excellent quality, promote automobile intelligent, promote vehicle safety performance, comfort property and driving enjoyment.
Present automobile and handheld device are carried out information interaction and are used USB2.0 standard and bluetooth to transmit, this transmission standard bandwidth is little, more speed, more high-quality information transmission information requirements have been not suitable for, yet when LVDS cable is applied to car multimedia video-audio signal transmission system, because the interference source complexity of cab signal, variety of issue appears in the characteristic of its transmission easily.
The utility model content
At above-mentioned technical problem, the utility model proposes a kind of automobile electric wire LVDS cable.
In order to solve the problems of the technologies described above, the technical solution of the utility model is as follows:
A kind of automobile electric wire LVDS cable, comprise restrictive coating, braid layer, aluminium foil layer, conductor and ground wire, described conductor wraps up with insulating barrier, is wrapped with aluminium foil layer at insulating barrier, described ground wire is sandwiched between described aluminium foil layer and the braid, at braid outer wrap jacket layer.
Further, also comprise parcel wheat drawstring layer in the aluminium foil layer outside, described wheat drawstring layer is between aluminium foil layer and the braid, and described ground wire is sandwiched between described wheat drawstring layer and the braid.
Further, described braid is the tinned conductor mesh grid.
Further, aluminium foil layer is poly-aluminium foil layer, and described wheat drawstring layer draws bilayer zone for wheat.
Further, to adopt the cross section be 0.08 square millimeter tinned conductor for described conductor.
Further, described conductor has a pair of, each personal insulating barrier parcel of described conductor.
Further, described conductor has two pairs, and each personal insulating barrier parcel of described conductor is provided with second ground wire in addition in every pair of conductor, and every pair of conductor wraps up aluminium foil layer respectively together with the outside of second ground wire, and described wheat drawstring layer wraps up two aluminium foil layers.
The beneficial effects of the utility model are: adopt the construction of cable of the present utility model, signal when transmission loss is less, and antijamming capability is strong, and its signal adopts poly-aluminium foil and Mai La double layer screen to guarantee transmission performance; Outermost layer uses the tinned conductor mesh grid of certain density to guarantee transmission performance and cable is protected.
Description of drawings
Fig. 1 is for being the utility model structural representation of example with the pair of conductors;
The utility model structural representation that Fig. 2 is is side with two pairs of conductors.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described further.
As shown in Figure 1, among the figure be with pair of conductors namely 2 core conductors be that example describes, a kind of automobile electric wire LVDS cable, comprise restrictive coating 1, braid layer 2, aluminium foil layer 3, conductor 4 and ground wire 6, described conductor 4 employing cross sections are 0.08 square millimeter tinned conductor, described conductor has a pair of, each personal insulating barrier 5 parcel of described conductor, described insulating barrier can adopt highdensity PE material medium, is wrapped with aluminium foil layer 3 at insulating barrier 5, described ground wire 6 is sandwiched between described aluminium foil layer 3 and the braid 2, aluminium foil layer 3 is poly-aluminium foil layer, and described braid 2 is the tinned conductor mesh grid, at braid outer wrap jacket layer.
As shown in Figure 2, among the figure with two pairs of conductors namely 4 core conductors be that example describes, a kind of automobile electric wire LVDS cable, comprise restrictive coating 1, braid layer 2, aluminium foil layer 3, conductor 4 and ground wire 6, also comprise wheat drawstring layer 7 and second ground wire 8 in addition, described conductor 4 employing cross sections are 0.08 square millimeter tinned conductor, described conductor has two pairs, described conductor 4 each personal insulating barrier 5 parcel, described insulating barrier can adopt highdensity PE material medium, be provided with second ground wire 8 in every pair of conductor in addition, every pair of conductor wraps up aluminium foil layer 3 respectively together with the outside of second ground wire 8, and described wheat drawstring layer 7 wraps up two aluminium foil layers, described wheat drawstring layer is between aluminium foil layer and the braid, this moment, described ground wire was sandwiched between described wheat drawstring layer and the braid, and aluminium foil layer 3 is poly-aluminium foil layer, and described braid 2 is the tinned conductor mesh grid, at braid outer wrap jacket layer, described wheat drawstring layer draws bilayer zone for wheat.
According to test, the construction of cable and the generic USB 2.0 automobile electric wire transmission performances of the utility model design are compared as follows table, so the designed structural advantage of the utility model is very obvious.
Table 1:USB2.0 automobile electric wire transmission performance performance table 2LVDS4 core automobile electric wire transmission performance
The above only is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model design; can also make some improvements and modifications, these improvements and modifications also should be considered as in the utility model protection range.
Claims (7)
1. automobile electric wire LVDS cable, it is characterized in that, comprise restrictive coating, braid layer, aluminium foil layer, conductor and ground wire, described conductor wraps up with insulating barrier, be wrapped with aluminium foil layer at insulating barrier, described ground wire is sandwiched between described aluminium foil layer and the braid, at braid outer wrap jacket layer.
2. a kind of automobile electric wire LVDS cable according to claim 1, it is characterized in that, also comprise parcel wheat drawstring layer in the aluminium foil layer outside, described wheat drawstring layer is between aluminium foil layer and the braid, and described ground wire is sandwiched between described wheat drawstring layer and the braid.
3. a kind of automobile electric wire LVDS cable according to claim 1 is characterized in that, described braid is the tinned conductor mesh grid.
4. a kind of automobile electric wire LVDS cable according to claim 2 is characterized in that, aluminium foil layer is poly-aluminium foil layer, and described wheat drawstring layer draws bilayer zone for wheat.
5. a kind of automobile electric wire LVDS cable according to claim 1 is characterized in that, described conductor employing cross section is 0.08 square millimeter tinned conductor.
6. a kind of automobile electric wire LVDS cable according to claim 1 is characterized in that described conductor has a pair of, each personal insulating barrier parcel of described conductor.
7. a kind of automobile electric wire LVDS cable according to claim 2, it is characterized in that, described conductor has two pairs, each personal insulating barrier parcel of described conductor, be provided with second ground wire in every pair of conductor in addition, every pair of conductor wraps up aluminium foil layer respectively together with the outside of second ground wire, and described wheat drawstring layer wraps up two aluminium foil layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320092129 CN203118550U (en) | 2013-02-27 | 2013-02-27 | Low voltage differential signal (LDVS) cable for automobile wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320092129 CN203118550U (en) | 2013-02-27 | 2013-02-27 | Low voltage differential signal (LDVS) cable for automobile wire |
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| Publication Number | Publication Date |
|---|---|
| CN203118550U true CN203118550U (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320092129 Expired - Lifetime CN203118550U (en) | 2013-02-27 | 2013-02-27 | Low voltage differential signal (LDVS) cable for automobile wire |
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| CN (1) | CN203118550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151107A (en) * | 2013-02-27 | 2013-06-12 | 宁波卡倍亿电气技术有限公司 | LVDS (Low Voltage Differential Signaling) cable for automobile wire |
-
2013
- 2013-02-27 CN CN 201320092129 patent/CN203118550U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151107A (en) * | 2013-02-27 | 2013-06-12 | 宁波卡倍亿电气技术有限公司 | LVDS (Low Voltage Differential Signaling) cable for automobile wire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 315611, Zhejiang, Ningbo province Ninghai County Bridge Hu Street West Wen Zhou Industrial Zone, Ningbo card billion times electric technology Limited by Share Ltd Patentee after: NINGBO KBE ELECTRICAL TECHNOLOGY CO.,LTD. Address before: 315611, Ninghai County, Zhejiang province Qiaotou Hu Street, Ningbo card billion times Electrical Technology Co., Ltd. Patentee before: NINGBO KBE ELECTRICAL TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |