CN103618182A

CN103618182A - Obd data connecting line

Info

Publication number: CN103618182A
Application number: CN201310555587.8A
Authority: CN
Inventors: 殷刚
Original assignee: CHENGDU JINGLIN ELECTRONIC TECHNOLOGY Co Ltd
Current assignee: CHENGDU JINGLIN ELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2013-11-11
Filing date: 2013-11-11
Publication date: 2014-03-05

Abstract

The invention discloses an OBD data connecting line. The OBD data connecting line comprises a diagnosing base plug (1), a first data line (2) and a second OBD plug (5). The diagnosing base plug (1) and the second OBD plug (5) are connected to the two ends of the first data line (2) respectively. The OBD data connecting line further comprises a first power line (6). The first data line (2) is only and internally provided with a data transmission line, one end of the first power line (6) is connected to a power contact pin of the second OBD plug (5), and the other end of the first power line (6) is connected with an ACC power plug (9). The power supply mode of an OBD diagnosing head is changed, the runtime of a storage battery of an automobile can be prolonged, and the burden of a power module and a filter circuit of an automatic vehicle-mounted diagnosing system can be relieved.

Description

OBD data connecting line

Technical field

The present invention relates to automobile and use connecting line field, particularly relate to a kind of OBD data connecting line.

Background technology

Along with the development of auto industry and the enhancing of people's environmental consciousness, OBD, i.e. " OBD ", its realization is monitored automobile at any time from the operation conditions of engine, and whether tail gas exceeds standard, once exceed standard, can send warning at once; When system breaks down, fault (MIL) lamp or inspection engine emergency warning lamp are bright, powertrain control module (PCM) deposits fault message in memory simultaneously, and the function that diagnostic trouble code can be read from PCM by certain program, is extensively matched on Hyundai Motor.

OBD data connecting line is for the connection of OBD and OBD diagnosis head.In prior art, OBD data connecting line is realized the connection of diagnose connector and the OBD diagnosis head of OBD, the power supply of OBD is provided by OBD, because OBD need keep normal open with automobile storage battery, so just make OBD also constantly in running order, if an in running order HUD(HUD is set on OBD diagnosis head again), if automobile engine is for a long time in flameout state, OBD and HUD will exhaust the electrical power storage of storage battery in several days, simultaneously, also increased the weight of the burden of OBD power module and filter circuit.

Summary of the invention

For above-mentioned OBD, be unfavorable for automobile storage battery accumulation of energy and increase the weight of the problem of the burden of OBD power module and filter circuit, the invention provides a kind of OBD data connecting line.

For addressing the above problem, OBD data connecting line provided by the invention solves above technical problem by the following technical programs: OBD data connecting line, comprise diagnose connector plug, the first data wire and the 2nd OBD plug, described diagnose connector plug and the 2nd OBD plug are connected to the two ends of the first data wire, also comprise the first power line, described the first data wire is only built-in with data line, one end of the first power line is connected on the power pin of the 2nd OBD plug, and the other end of the first power line is also connected with ACC attaching plug.

The diagnose connector plug arranging is used for connecting OBD, the 2nd OBD plug arranging is used for connecting OBD diagnosis head, the first data wire is for the transfer of data between OBD and OBD diagnosis head, the ACC attaching plug arranging is for connecting the ACC circuit of automobile, the power pin of the 2nd OBD plug is connected on the ACC circuit of automobile, this is arranged so that automobile engine in starting state or by key, connects after the ACC circuit of automobile, the OBD diagnosis head being connected on the 2nd OBD plug just has electric energy to supply with, make OBD diagnosis head or be connected under the state that other electronic devices on OBD diagnosis head open consciously at autoist to work.

Further technical scheme is:

Also comprise the second data wire and an OBD plug, the two ends of described the second data wire are connected on diagnose connector plug and an OBD plug.

The OBD plug arranging is a spare interface, this is arranged so that when carrying out system detection to OBD diagnosis head, upgrade or OBD diagnosis head is carried out to other data while reading, only an OBD plug need to be connected with ancillary equipment, just can realize being connected of OBD diagnosis head and ancillary equipment, so just make operating personnel not need to dismantle OBD diagnosis head and extract the 2nd OBD plug, so just make OBD diagnosis head can continue various data analysis on automobile to process, with improving, OBD diagnosis head is carried out to system detection, upgrade or OBD diagnosis head is carried out to other data reading performance using redundancies.

Also comprise second source line, the power pin of the two ends difference connection diagnostic seat plug of described second source line and the power pin of the 2nd OBD plug, be also in series with second source line plug on second source line.

The second source line arranging is for connecting the power pin of diagnose connector plug and the power pin of the 2nd OBD plug, and the second source line plug arranging is for controlling the break-make of second source line, when this setting is intended to OBD diagnosis head and needs long-term work, connect the two ends of second source line plug.

The holding wire integument that described the first data wire and the second data wire include many holding wires and many holding wires are bundled together, described holding wire integument is double-layer structure, holding wire integument comprises the screen of outer field insulating barrier and internal layer.

The screen arranging is for shielding the phase mutual interference of signal in outer signals and the first data wire and the second data wire, is conducive to the reliability of OBD, OBD diagnosis and other electronic device works.

Described screen is aluminium foil or the wire netting that is mutually entwined by many metal fines.

During this arranges, aluminium foil and wire netting have good flexibility, and this set-up mode is conducive to the first data wire and the second data wire also has good flexibility.

The present invention has following beneficial effect:

1, the present invention is simple in structure, by the ACC attaching plug and the first power line that arrange, changed the powering mode of OBD diagnosis head, be conducive to avoid automobile engine in the situation that of Long-time Shut-down, other auxiliary electronic equipments on OBD diagnosis head and OBD diagnosis head, to the too fast power consumption of automobile storage battery electric energy, are conducive to extend automobile storage battery flying power.

2, the invention enables OBD diagnosis head and the upper attached electronic equipment of OBD diagnosis head by automobile ACC circuit supply, be conducive to alleviate the burden of OBD power module and filter circuit.

Accompanying drawing explanation

Fig. 1 is the structural representation of the embodiment of OBD data connecting line told of the present invention;

Fig. 2 is OBD data connecting line the first data wire of telling of the present invention or the profile of an embodiment of the second data wire.

Name corresponding to graphical indicia is called: 1, diagnose connector plug, 2, the first data wire, 3, the second data wire, 4, an OBD plug, the 5, the 2nd OBD plug, the 6, first power line, 7, second source line, 8, second source line plug, 9, ACC attaching plug, 10, holding wire, 11, insulating barrier, 12, screen.

Embodiment

Below in conjunction with embodiment, the present invention is described in further detail:

Embodiment 1:

As depicted in figs. 1 and 2, OBD data connecting line provided by the invention, comprise diagnose connector plug 1, the first data wire 2 and the 2nd OBD plug 5, described diagnose connector plug 1 and the 2nd OBD plug 5 are connected to the two ends of the first data wire 2, also comprise the first power line 6, described the first data wire 2 is only built-in with data line, and one end of the first power line 6 is connected on the power pin of the 2nd OBD plug 5, and the other end of the first power line 6 is also connected with ACC attaching plug 9.

The diagnose connector plug 1 arranging is for connecting OBD, the 2nd OBD plug 5 arranging is for connecting OBD diagnosis head, the first data wire 2 is for the transfer of data between OBD and OBD diagnosis head, the ACC attaching plug 9 arranging is for connecting the ACC circuit of automobile, the power pin of the 2nd OBD plug 5 is connected on the ACC circuit of automobile, this is arranged so that automobile engine in starting state or by key, connects after the ACC circuit of automobile, the OBD diagnosis head being connected on the 2nd OBD plug 5 just has electric energy to supply with, make OBD diagnosis head or be connected under the state that other electronic devices on OBD diagnosis head open consciously at autoist to work.

Embodiment 2:

The present embodiment is further qualified on the basis of embodiment 1, as Fig. 1 and Fig. 2, also comprises the second data wire 3 and an OBD plug 4, and the two ends of described the second data wire 3 are connected on diagnose connector plug 1 and an OBD plug 4.

The OBD plug 4 arranging is a spare interface, this is arranged so that when carrying out system detection to OBD diagnosis head, upgrade or OBD diagnosis head is carried out to other data while reading, only an OBD plug 4 need to be connected with ancillary equipment, just can realize being connected of OBD diagnosis head and ancillary equipment, so just make operating personnel not need to dismantle OBD diagnosis head and extract the 2nd OBD plug 5, so just make OBD diagnosis head can continue various data analysis on automobile to process, with improving, OBD diagnosis head is carried out to system detection, upgrade or OBD diagnosis head is carried out to other data reading performance using redundancies.

Embodiment 3:

The present embodiment is further qualified on the basis of embodiment 2, as Fig. 1 and Fig. 2, also comprise second source line 7, the power pin of the two ends difference connection diagnostic seat plug 1 of described second source line 7 and the power pin of the 2nd OBD plug 5, be also in series with second source line plug 8 on second source line 7.

The holding wire integument that described the first data wire 2 and the second data wire 3 include many holding wires 10 and many holding wires 10 are bundled together, described holding wire integument is double-layer structure, and holding wire integument comprises the screen 12 of outer field insulating barrier 11 and internal layer.

Described screen 12 is aluminium foil or the wire netting that is mutually entwined by many metal fines.

The second source line 7 arranging is for connecting the power pin of diagnose connector plug 1 and the power pin of the 2nd OBD plug 5, and the second source line plug 8 arranging is for controlling the break-make of second source line 7, when this setting is intended to OBD diagnosis head and needs long-term work, connect the two ends of second source line plug 8.

The screen 12 arranging is for shielding the phase mutual interference of outer signals and the first data wire 2 and the second data wire 3 interior signals, is conducive to the reliability of OBD, OBD diagnosis and other electronic device works.

Aluminium foil and wire netting have good flexibility, and this set-up mode is conducive to the first data wire 2 and the second data wire 3 also has good flexibility.

Claims

1.OBD data connecting line, comprise diagnose connector plug (1), the first data wire (2) and the 2nd OBD plug (5), described diagnose connector plug (1) and the 2nd OBD plug (5) are connected to the two ends of the first data wire (2), it is characterized in that, also comprise the first power line (6), described the first data wire (2) is only built-in with data line, one end of the first power line (6) is connected on the power pin of the 2nd OBD plug (5), and the other end of the first power line (6) is also connected with ACC attaching plug (9).

2. OBD data connecting line according to claim 1, is characterized in that: also comprise the second data wire (3) and an OBD plug (4), the two ends of described the second data wire (3) are connected on diagnose connector plug (1) and an OBD plug (4).

3. OBD data connecting line according to claim 1, it is characterized in that: also comprise second source line (7), the power pin of the two ends difference connection diagnostic seat plugs (1) of described second source line (7) and the power pin of the 2nd OBD plug (5), be also in series with second source line plug (8) on second source line (7).

4. OBD data connecting line according to claim 2, it is characterized in that: the holding wire integument that described the first data wire (2) and the second data wire (3) include many holding wires (10) and many holding wires (10) are bundled together, described holding wire integument is double-layer structure, and holding wire integument comprises the screen (12) of outer field insulating barrier (11) and internal layer.

5. OBD data connecting line according to claim 4, is characterized in that: described screen (12) is aluminium foil or the wire netting that is mutually entwined by many metal fines.