CN103499967A - Multifunctional diagnosis wire harness of electronic control system - Google Patents
Multifunctional diagnosis wire harness of electronic control system Download PDFInfo
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- CN103499967A CN103499967A CN201310406463.3A CN201310406463A CN103499967A CN 103499967 A CN103499967 A CN 103499967A CN 201310406463 A CN201310406463 A CN 201310406463A CN 103499967 A CN103499967 A CN 103499967A
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- wire harness
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- control system
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Abstract
The invention discloses a multifunctional diagnosis wire harness of an electronic control system. The multifunctional diagnosis wire harness of the electronic control system comprises an ECU wire harness, a DCU wire harness, a TCU wire harness and a stimulation wire harness set, wherein the ECU wire harness set, the DCU wire harness, the TCU wire harness and the stimulation line wire harness set are integrated, and OBD connectors are integrated to the output ends of the wire harnesses. The input end of the ECU wire harness, the input end of the DCU wire harness and the input end of the TCU wire harness are respectively connected with a corresponding ECU diagnosis port, a corresponding DCU diagnosis port and a corresponding TCU diagnosis calibration port. The input ends of the stimulation wire harness set are connected with the corresponding stimulation calibration ports respectively. By the adoption of the multifunctional diagnosis wire harness of the electronic control system, all the whole vehicle control unit diagnosis wire harnesses are integrated, the whole vehicle communication wire harness is convenient to connect and carry and reliable in communication, and wiring, OBD diagnosis operation and signal measurement of control units are conveniently conducted.
Description
Technical field
The present invention relates to engine art, particularly a kind of electric-control system Multifunction diagnosing wire harness.
Background technology
Existing automatically controlled diagnosis wire harness mainly comprises: engine controller ECU wire harness, aftertreatment controller DCU wire harness, hybrid controller HCU wire harness and gearbox control TCU diagnosis wire harness, wherein, engine controller ECU adopts independent wire harness, aftertreatment controller DCU adopts independent wire harness, hybrid controller HCU adopts independent wire harness, and gearbox control TCU adopts diagnosis wire harness separately.
Existing automatically controlled diagnosis wire harness adopts independent wire harness to have following shortcoming:
At first, automatically controlled diagnosis wire harness need to be connected and be diagnosed with the OBD interface, with the corresponding OBD diagnosis of automatically controlled diagnosis wire harness joint, 16 pinouts is arranged, function is different, during the connection diagnostic instrument, and easy wiring error, cause communication not gone up, cause the wiring difficulty, affect the OBD diagnostic operation.Secondly, the diagnose interface of single control system does not have independent, the signal measurement of inconvenient controller.Again, existing diagnosis wire harness is directly connected to the corresponding OBD diagnosis adapter pin of OBD interface, without auto-lock function, during the car load shake, easily deviates from, and causes communicating interrupt.Finally, adopt the function singleness of diagnosis wire harness separately, can only the using on engine of engine, wheel box can only use on wheel box, and the cost costliness, and different controllers need the different rat tail of pairing, need to make very many diagnosis wire harness.
Summary of the invention
The present invention is in order to overcome defect in above-mentioned prior art, provides a kind of simple and reasonable, is convenient to wiring, facilitates the signal measurement of OBD diagnostic operation and controller, has auto-lock function, the electric-control system Multifunction diagnosing wire harness that cost is low.
For achieving the above object, according to the invention provides a kind of electric-control system Multifunction diagnosing wire harness, comprising:
The engine controller ECU wire harness integrated, aftertreatment controller DCU wire harness, gearbox control TCU wire harness and emulation wire harness group; And,
The integrated OBD joint of the output terminal of above-mentioned wire harness;
The input end of engine controller ECU wire harness, aftertreatment controller DCU wire harness and gearbox control TCU wire harness is demarcated mouth with corresponding ECU diagnostics port, DCU diagnostics port, TCU diagnosis respectively and is connected; The input end of emulation wire harness group is demarcated mouth with corresponding emulation respectively and is connected.
In technique scheme, emulation wire harness group comprises: CAN0 emulation wire harness, CAN1 emulation wire harness and CAN4 emulation wire harness, its input end is connected with corresponding CAN0 emulation interface, CAN1 emulation interface and CAN4 emulation interface respectively.
In technique scheme, integrated OBD joint is square knuckle.
In technique scheme, integrated OBD joint is that square knuckle has and ECU diagnostics port, DCU diagnostics port, TCU diagnosis demarcation mouth, CAN0 emulation interface, CAN1 emulation interface and the corresponding pin of CAN4 emulation interface.
In technique scheme, integrated OBD joint also has the self-locking dop.
Compared with prior art, the present invention has following beneficial effect: this electric-control system Multifunction diagnosing wiring harness structure advantages of simple, by electric-control system is being diagnosed to the wire harness particular design, all entire car controller diagnostics lines constrictions are become together, make car load communication wire harness easy to connect, communication is reliable, easy to carry, is convenient to wiring simultaneously, facilitates the signal measurement of OBD diagnostic operation and controller; And have auto-lock function, while avoiding the car load shake, the diagnosis wire harness is deviate from from the OBD interface, causes communicating interrupt; In addition, controller diagnostics lines constriction becomes together, has reduced the wire harness cost.
The accompanying drawing explanation
The use view that Fig. 1 is electric-control system Multifunction diagnosing wire harness of the present invention;
The integrated OBD adapter pin schematic diagram that Fig. 2 is electric-control system Multifunction diagnosing wire harness of the present invention;
The accompanying drawing explanation:
1-engine controller ECU wire harness, 11-ECU diagnostics port, 2-aftertreatment controller DCU wire harness, the 21-DCU diagnostics port, 3-gearbox control TCU wire harness, mouth, 4-CAN0 emulation wire harness are demarcated in the 31-TCU diagnosis, the 41-CAN0 emulation interface, 5-CAN1 emulation wire harness, 51-CAN1 emulation interface, 6-CAN4 emulation wire harness, the 61-CAN4 emulation interface, the integrated OBD joint of 7-.
Embodiment
Below in conjunction with accompanying drawing, a specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention is not subject to the restriction of embodiment.It will be appreciated that, mentioned in following embodiment of the present invention " on ", D score, " left side ", " right side ", " front " and " reverse side " all take the direction shown in each figure as benchmark, these words that are used for limiting direction are only for convenience of explanation, do not represent the restriction to the concrete technical scheme of the present invention.
Electric-control system Multifunction diagnosing wiring harness structure advantages of simple of the present invention, by electric-control system is being diagnosed to the wire harness particular design, all entire car controller diagnostics lines constrictions are become together, make car load communication wire harness easy to connect, communication is reliable, easy to carry, be convenient to wiring simultaneously, facilitate the signal measurement of OBD diagnostic operation and controller; And have auto-lock function, while avoiding the car load shake, the diagnosis wire harness is deviate from from the OBD interface, causes communicating interrupt; In addition, controller diagnostics lines constriction becomes together, has reduced the wire harness cost.
Below detailed description by way of example but unrestriced mode has illustrated the disclosure, should be understood that various aspect of the present disclosure can be by independent realization or the realization of being combined with other aspects.This instructions clearly enables those skilled in the art to manufacture and uses us to believe for new and non-obvious improvement, describe some embodiment, alternative, modification, alternatives and system applies, comprised the current best mode that is considered to carry out the inventive principle of describing in this instructions.When describing element or feature and/or embodiment, be intended to expression titled with " one " " one " " be somebody's turn to do " and " described " and there are one or more in element or feature.Term " comprises " that " comprising " and " having " is intended to is comprising property, and also has extra element or feature beyond being illustrated in those specifically described elements or feature.
As shown in Figure 1, this electric-control system Multifunction diagnosing wire harness is integrated engine controller ECU wire harness, aftertreatment controller DCU wire harness, hybrid controller HCU wire harness and gearbox control TCU wire harness, and a plurality of emulation wire harness; It specifically comprises: engine controller ECU wire harness 1, aftertreatment controller DCU wire harness 2, gearbox control TCU wire harness 3 and emulation wire harness group, and the integrated OBD joint of the output terminal of above-mentioned wire harness.Wherein, the input end of engine controller ECU wire harness 1, aftertreatment controller DCU wire harness 2 and gearbox control TCU wire harness 3 is demarcated mouth with corresponding ECU diagnostics port, DCU diagnostics port, TCU diagnosis respectively and is connected, for realizing engine OBD diagnosis; In addition, the input end of emulation wire harness group is demarcated mouth with corresponding emulation respectively and is connected, for carrying out the functions such as analogue simulation and the collection of CAN message data; Make this scheme adopt optimal design, can realize engine diagnostic simultaneously, the aftertreatment diagnosis, can also carry out the functions such as analogue simulation and the collection of CAN message data.
OBD is the abbreviation of English On-Board Diagnostics, and translator of Chinese is " OBD ".This system will be 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 (Check Engine) emergency warning lamp are bright, powertrain control module (PCM) deposits failure message in storer simultaneously, by certain program, diagnostic trouble code can be read from PCM.According to the prompting of diagnostic trouble code, the maintenance personal can determine character and the position of fault quickly and accurately.
Wherein, emulation wire harness group comprises: CAN0 emulation wire harness 4, CAN1 emulation wire harness 5 and CAN4 emulation wire harness 6, the input end of above-mentioned CAN0 emulation wire harness 4, CAN1 emulation wire harness 5 and CAN4 emulation wire harness 6 is connected with corresponding CAN0 emulation interface, CAN1 emulation interface and CAN4 emulation interface respectively, for carrying out the functions such as analogue simulation and the collection of CAN message data.
As depicted in figs. 1 and 2, integrated OBD joint is square knuckle, it has with ECU diagnostics port, DCU diagnostics port, TCU diagnosis demarcates mouth, CAN0 emulation interface, CAN1 emulation interface and the corresponding pin of CAN4 emulation interface, make this electric-control system Multifunction diagnosing wire harness only by adjusting the pinout of diagnose interface, can be compatible with the electric-control system diagnosis of any square OBD interface, in addition, circular OBD interface is only that pinout is different from square OBD interface, demarcates mouth general with diagnostics port.Integrated OBD joint also has the self-locking dop, makes it have auto-lock function, and while avoiding the car load shake, the diagnosis wire harness is deviate from from the OBD interface, causes communicating interrupt.
The engine controller ECU wire harness 1 that this electric-control system Multifunction diagnosing wire harness is integrated, the input end of aftertreatment controller DCU wire harness 2 and gearbox control TCU wire harness 3 respectively with corresponding ECU diagnostics port 11, DCU diagnostics port 21, mouthful 31 connections are demarcated in the TCU diagnosis, CAN0 emulation wire harness 4, the input end of CAN1 emulation wire harness 5 and CAN4 emulation wire harness 6 respectively with corresponding CAN0 emulation interface 41, CAN1 emulation interface 51 is connected with CAN4 emulation interface 61, integrated OBD joint 7 as this electric-control system Multifunction diagnosing wire harness output terminal is connected with the OBD interface, to realize engine diagnostic simultaneously, the aftertreatment diagnosis, can also carry out the functions such as analogue simulation and the collection of CAN message data.
To sum up, this electric-control system Multifunction diagnosing wiring harness structure advantages of simple, by electric-control system is being diagnosed to the wire harness particular design, all entire car controller diagnostics lines constrictions are become together, make car load communication wire harness easy to connect, communication is reliable, easy to carry, is convenient to wiring simultaneously, facilitates the signal measurement of OBD diagnostic operation and controller; And have auto-lock function, while avoiding the car load shake, the diagnosis wire harness is deviate from from the OBD interface, causes communicating interrupt; In addition, controller diagnostics lines constriction becomes together, has reduced the wire harness cost.
Above disclosed be only several specific embodiment of the present invention, still, the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (5)
1. an electric-control system Multifunction diagnosing wire harness, is characterized in that, comprising:
The engine controller ECU wire harness integrated, aftertreatment controller DCU wire harness, gearbox control TCU wire harness and emulation wire harness group; And,
The integrated OBD joint of the output terminal of above-mentioned wire harness;
The input end of described engine controller ECU wire harness, aftertreatment controller DCU wire harness and gearbox control TCU wire harness is demarcated mouth with corresponding ECU diagnostics port, DCU diagnostics port, TCU diagnosis respectively and is connected; The input end of described emulation wire harness group is demarcated mouth with corresponding emulation respectively and is connected.
2. electric-control system Multifunction diagnosing wire harness according to claim 1, it is characterized in that: described emulation wire harness group comprises: CAN0 emulation wire harness, CAN1 emulation wire harness and CAN4 emulation wire harness, its input end is connected with corresponding CAN0 emulation interface, CAN1 emulation interface and CAN4 emulation interface respectively.
3. electric-control system Multifunction diagnosing wire harness according to claim 1, it is characterized in that: described integrated OBD joint is square knuckle.
4. electric-control system Multifunction diagnosing wire harness according to claim 3 is characterized in that: described integrated OBD joint is that square knuckle has and mouth, CAN0 emulation interface, CAN1 emulation interface and the corresponding pin of CAN4 emulation interface are demarcated in ECU diagnostics port, DCU diagnostics port, TCU diagnosis.
5. according to the described electric-control system Multifunction diagnosing of any one in claim 1 to 4 wire harness, it is characterized in that: described integrated OBD joint also has the self-locking dop.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310406463.3A CN103499967A (en) | 2013-09-09 | 2013-09-09 | Multifunctional diagnosis wire harness of electronic control system |
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| CN201310406463.3A CN103499967A (en) | 2013-09-09 | 2013-09-09 | Multifunctional diagnosis wire harness of electronic control system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5003478A (en) * | 1988-02-16 | 1991-03-26 | Fuji Jukogyo Kabushiki Kaisha | Diagnosis system for a motor vehicle |
| US20020010518A1 (en) * | 2000-02-25 | 2002-01-24 | Reid Drew A. | Energy management system |
| CN201506311U (en) * | 2009-08-28 | 2010-06-16 | 上海通用汽车有限公司 | Communication integrated wiring harness device for vehicle diagnosis |
| CN202320150U (en) * | 2011-11-10 | 2012-07-11 | 湖北业鹏实业有限公司 | Finished automobile wiring harness of Cummins national III engine vehicle |
| CN203397210U (en) * | 2013-09-09 | 2014-01-15 | 广西三立科技发展有限公司 | Electric-control systematic multifunctional diagnosis wire harness |
-
2013
- 2013-09-09 CN CN201310406463.3A patent/CN103499967A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5003478A (en) * | 1988-02-16 | 1991-03-26 | Fuji Jukogyo Kabushiki Kaisha | Diagnosis system for a motor vehicle |
| US20020010518A1 (en) * | 2000-02-25 | 2002-01-24 | Reid Drew A. | Energy management system |
| CN201506311U (en) * | 2009-08-28 | 2010-06-16 | 上海通用汽车有限公司 | Communication integrated wiring harness device for vehicle diagnosis |
| CN202320150U (en) * | 2011-11-10 | 2012-07-11 | 湖北业鹏实业有限公司 | Finished automobile wiring harness of Cummins national III engine vehicle |
| CN203397210U (en) * | 2013-09-09 | 2014-01-15 | 广西三立科技发展有限公司 | Electric-control systematic multifunctional diagnosis wire harness |
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Application publication date: 20140108 |