CN102937808A - Enhancement type vehicle failure code reading card - Google Patents
Enhancement type vehicle failure code reading card Download PDFInfo
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- CN102937808A CN102937808A CN2012104283477A CN201210428347A CN102937808A CN 102937808 A CN102937808 A CN 102937808A CN 2012104283477 A CN2012104283477 A CN 2012104283477A CN 201210428347 A CN201210428347 A CN 201210428347A CN 102937808 A CN102937808 A CN 102937808A
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Abstract
The invention provides an enhancement type vehicle failure code reading card. The card comprises a micro-control unit, a signal channel switching circuit, a diagnosis interface circuit, a display module, an input module, a sound-light alarm module, an interface module, a storage module and a vehicle diagnosis interface, wherein the vehicle diagnosis interface is connected with a vehicle diagnosis base, the input module comprises a plurality of quick diagnosis function keys, the plurality of quick diagnosis function keys can be used for diagnosing basic systems of a vehicle quickly, the micro-control unit controls the signal channel switching circuit to be switched to a signal pin corresponding to the vehicle diagnosis base, communication between the micro-control unit and main basic systems of the vehicle can be finished, and the micro-control unit displays diagnosis results in the display module after diagnosis. By the aid of the card, automatic diagnosis of electric control systems of different vehicles can be achieved respectively through one-key operation, non-professional users can operate the card conveniently, simultaneously, the time is saved in terms of diagnosis and maintenance of vehicles, and the working efficiency is improved.
Description
Technical field
The present invention relates to a kind of vehicle failure detection equipment, relate in particular to a kind of enhanced type automobile fault code reading card in the checkout equipment.
Background technology
Along with the fast development of Hyundai Motor technology, the structure of each electric-control system of automobile becomes increasingly complex, and new and high technology particularly electronic technology, computer technology has obtained using more and more widely at automobile.The pooled applications of these new and high technologies on automobile is in the security that automobile greatly is provided, and in the time of comfortableness, the detection maintenance during also in the future automobile generation fault has brought very large challenge.In today of competition, all trades and professions all are faced with tangible or invisible competitive pressure, and are no exception as traditional automotive electronics maintenance industry.As the automobile fault diagnostic apparatus that can not ignore in the automotive service set industry, from the U.S. in 1996 and ISO be organized in promote the OBD standard in the worldwide since, obtained great development for the miniaturization automobile fault diagnostic apparatus of OBD standard.From the fault code reading card that can only show with LED the earliest, can support finally the automobile testing tool (Scan tools) of reading data flow, and the OBD Full-functional vehicle failure diagnostic apparatus of supporting SAEJ1979, the update that its marketing development causes is more and more faster.
Even to this day, the vehicle failure code reading card of miniaturization still mainly take only for the OBD standard as main, namely main or can only diagnose and detect the engine system fault, and can not diagnose detect outside the engine system such as ABS or SRS system.And want four large ultimate systems except engine system as automobile primary, also comprise TCM gearbox control system, ABS anti-lock braking system, SRS air bag system.When auto repair detected, these systems also were easy to produce fault.But because ABS and SRS system do not have unified standard not within the OBD category, therefore developing such equipment has certain difficulty, and cost is higher.Although comprehensive fault detection system for automobile can detect a plurality of systems, because its menu operation is too complicated, need to carry out professional training to operating personnel, and cost is too high, be unfavorable for the spread of this series products.If can be on the vehicle failure code reading card basis of existing miniaturization, exploitation has the enhancing code reading card instrument that can diagnose ABS and SRS system, it is large to solve comprehensive failure diagnosis apparatus volume, not portable, cost is high, not easy-to-use problem can be afforded and handy miniaturization diagnostic tool for vehicle maintenance and repair enterprise or individual car owner provide.Traditional OBD code reading card can only be diagnosed the automobile of supporting the OBD standard, and can only the Diagnosis on Engine electric-control system, and for other system such as ABS or SRS system outside the Hyundai Motor four large basic electric-control systems, then can not support.Although comprehensive diagnos equipment can be diagnosed the automobile electric control system except engine, because its diagnosis speed is slower, operation steps is many, is not easy to particularly individual car owner's use of user.
Summary of the invention
The object of the present invention is to provide a kind of enhanced type automobile fault code reading card, this code reading card can carry out fault diagnosis to automotive electronic control system system, gearbox control system, anti-lock braking system, air bag system respectively rapidly, simple to operate, need not the user and possess professional knowledge, greatly improved the work efficiency of user aspect the diagnosis and repair automobile.
For achieving the above object, the invention provides a kind of enhanced type automobile fault code reading card, comprise: micro-control unit, signalling channel commutation circuit with this micro-control unit electric connection, diagnose interface circuit with this micro-control unit electric connection, display module with this micro-control unit electric connection, load module with this micro-control unit electric connection, sound and light alarm module with this micro-control unit electric connection, interface module with this micro-control unit electric connection, the memory module that is electrically connected with this micro-control unit reaches the vehicle diagnosis interface that is electrically connected with the diagnose interface circuit, described vehicle diagnosis interface is used with the vehicle diagnosis seat and is connected, described signalling channel commutation circuit and diagnose interface circuit are electrically connected, described load module comprises several quick diagnosis function buttons, the user can want ultimate system to diagnose to automobile primary by these several quick diagnosis function buttons fast, the described micro-control unit controls signalling channel commutation circuit as required signal that will communicate by letter of diagnose interface circuit switches to the signal pins of vehicle diagnosis seat correspondence, finish micro-control unit and want communicating by letter of ultimate system with automobile primary, after diagnosis was finished, micro-control unit was shown in diagnostic result in the display module.
The quantity of described quick diagnosis function button is four, it is: OBDII button, TCM button, ABS button and SRS button, the corresponding automobile primary of these four quick diagnosis function buttons is wanted four large ultimate system settings, and described automobile primary wants four large ultimate systems to be respectively: OBDII engine system, TCM gearbox control system, ABS anti-lock braking system and SRS air bag system.
Described load module also comprises: digital or alphabetical input keyboard and operation push-button commonly used, described numeral or alphabetic keypad comprise several digital keys or several alphabet keys, and described operation push-button commonly used comprises: upwards button, downwards button, to the right button, to left button, confirm button and withdraw from button.
Described memory module is the TF card memory, and described memory module stores the diagnostic routine of OBDII engine system, TCM gearbox control system, ABS anti-lock braking system and SRS air bag system in advance.
Described sound and light alarm module is carried out sound and light alarm in the unusual situation of diagnostic result, described sound and light alarm module comprises: indicating lamp module and buzzer warning module, described indicating lamp module are the LED lamp.
Described display module is a liquid crystal display, is used for display operation prompting and diagnostic result.
Described interface module is USB interface, and described interface module is used for being connected with computer, and then the upgrading of finishing equipment.
Beneficial effect of the present invention: enhanced type automobile fault code reading card of the present invention is by external " OBDII ", " TCM ", " ABS ", " SRS " quick diagnosis function button, only need a key operation just can realize respectively to OBDII engine system, the TCM gearbox control system, the automatic diagnostic function of ABS anti-lock braking system and SRS air bag system, save the user and need to select back and forth the function that could realize at multilevel menu on traditional comprehensive diagnos equipment, for user especially unprofessional user provides more easily operation, also shorten simultaneously the time of user's diagnosis and repair automobile, reduce the labour cost in the unit interval, strengthened the competitive edge of enterprise.
In order further to understand feature of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing, yet accompanying drawing only provide with reference to and the explanation usefulness, the present invention is limited.
Description of drawings
Below in conjunction with accompanying drawing, by the specific embodiment of the present invention is described in detail, will make technical scheme of the present invention and other beneficial effect apparent.
In the accompanying drawing,
Fig. 1 is enhanced type automobile fault code reading card structural representation figure of the present invention;
Fig. 2 is the composition synoptic diagram of load module in the enhanced type automobile fault code reading card of the present invention;
Fig. 3 is enhanced type automobile fault code reading card workflow diagram of the present invention.
Embodiment
Technological means and the effect thereof taked for further setting forth the present invention are described in detail below in conjunction with the preferred embodiments of the present invention and accompanying drawing thereof.
See also Fig. 1 to 2, the invention provides a kind of enhanced type automobile fault code reading card, comprise: micro-control unit 5, signalling channel commutation circuit 2 with these micro-control unit 5 electric connections, diagnose interface circuit 3 with these micro-control unit 5 electric connections, display module 4 with these micro-control unit 5 electric connections, load module 6 with these micro-control unit 5 electric connections, sound and light alarm module 7 with these micro-control unit 5 electric connections, interface module 8 with these micro-control unit 5 electric connections, the memory module 9 that is electrically connected with this micro-control unit 5 reaches the vehicle diagnosis interface 1 that is electrically connected with diagnose interface circuit 3, described vehicle diagnosis interface 1 usefulness is connected with vehicle diagnosis seat (not shown), described signalling channel commutation circuit 2 is electrically connected with diagnose interface circuit 3, described load module 6 comprises several quick diagnosis function buttons 61, the user can want ultimate system to diagnose to automobile primary by these several quick diagnosis function buttons 61 fast, the described micro-control unit 5 control signal channel switching circuits 3 as required signal that will communicate by letter of diagnose interface circuit 3 switch to the signal pins of vehicle diagnosis seat correspondence, finish micro-control unit 5 and want communicating by letter of ultimate system with automobile primary, after diagnosis was finished, micro-control unit 5 was shown in diagnostic result in the display module 4.
In this preferred embodiment, described load module 6 comprises that the quantity of quick diagnosis function button 61 is four, described four quick diagnosis function buttons 61 are: OBDII button, TCM button, ABS button and SRS button, its corresponding automobile primary is wanted four large ultimate system settings, be the user by next quick diagnosis function button 61, can start this code reading card obtain corresponding ultimate system diagnostic data.Described automobile primary wants four large ultimate systems to be respectively: OBDII engine system, TCM gearbox control system, ABS anti-lock braking system and SRS air bag system, as: the user presses the OBDII button and namely starts the diagnostic data that this code reading card obtains automobile OBDII engine system.
Described load module 6 also comprises: digital or alphabetical input keyboard 62 and operation push-button 63 commonly used, described numeral or alphabetic keypad comprise several digital keys or several alphabet keys, described operation push-button commonly used 63 comprises: upwards button, downwards button, to the right button, to left button, confirm button and withdraw from the basic operation button such as button, finish function by those buttons and select and relative parameters setting.Described numeral or alphabetical input keyboard 62 comprise: several basic digital keys and several alphabet keys, those buttons make things convenient for the user to carry out the input of numeral or letter.
In this enhanced type automobile fault code reading card, micro-control unit 5 is as the core of this enhanced type automobile fault code reading card, on the one hand to sending control information with other modules of its electric connection, control that described each module is coordinated with each other finishes basic functional operation, receive on the other hand, analyze the diagnostic message that described diagnose interface circuit 3 sends, and the diagnostic result information after will analyzing is sent to described display module 4 and shows.The difference in functionality of this micro-control unit 5 and coordination mode will be in the middle embodiments of specifying of following each several part.
Described vehicle diagnosis interface 1 is electrically connected with described diagnose interface circuit 3 and communicates by letter with each electric-control system of described car engine electronic control module (ECU), receives the engine electronic control unit diagnostic message and this diagnostic message is sent to described diagnose interface circuit 3.
This vehicle diagnosis interface 1 and described vehicle diagnosis seat physical connection, and can transmit the control information of described diagnose interface circuit 3 and micro-control unit 5 and ask to the car engine electronic control module, and detect each electric-control system of described car engine electronic control module, the diagnostic message that to detect simultaneously gained passes to described diagnose interface circuit 3, thereby is sent to described micro-control unit 5.
Described signalling channel commutation circuit 2 is electrically connected with described micro-control unit 5 and diagnose interface circuit 3, can receive the control information that described micro-control unit 5 sends, the control signal channel switching circuit 3 as required signal that will communicate by letter of diagnose interface circuit 3 switches to the signal pins of vehicle diagnosis seat correspondence, for the link that begins to diagnose each ultimate system of automobile to carry out is physically prepared, thereby so that this enhanced type automobile fault code reading card can be diagnosed automobile four large ultimate systems, reduce production costs.As: when the user presses the OBDII button, described micro-control unit 5 calls the diagnostic routine of OBDII engine system, and send control information to signalling channel commutation circuit 2, described signalling channel commutation circuit 2 is switched the corresponding relation of diagnose interface circuit 3 and vehicle diagnosis seat signal pins according to this control information, thereby finishes the diagnosis of OBDII engine system.
Described sound and light alarm module 7 is carried out sound and light alarm in the unusual situation of diagnostic result, described sound and light alarm module comprises: indicating lamp module 71 and buzzer warning module 72.Described indicating lamp module 71 is the LED lamp, and this LED lamp glimmers in the unusual situation of diagnostic result or lights; Described buzzer warning module 72 is a hummer, and this hummer issues out the sound in the unusual situation of diagnostic result, and then reminding user, and diagnostic result is unusual, in time automobile is keeped in repair, and improves traffic safety.When sound and light alarm module 7 is in alarm condition, can end to report to the police by the button that withdraws from the load module 6.
Described display module 4 is a liquid crystal display, and it is used for display operation prompting and diagnostic result.Described display module 4 is electrically connected with described micro-control unit 5, receive and show the input message, micro-control unit 5 control informations of the load module 6 that described micro-control unit 5 sends and through the automobile electric control system diagnostic result information of micro-control unit 5 computings, analysis, realize diagnostic data result's demonstration.
Described memory module 9 is the TF card memory, and described memory module stores the diagnostic routine of OBDII engine system, TCM gear-box hole system, ABS anti-lock braking system and SRS air bag system in advance.Described memory module 9 also stores a large amount of database that the diagnosis automobile need to be used, this database can comprise basic vehicle data communication protocol, diagnostic routine and basic running software code, abnormal failure code etc., and these basic data can guarantee to some extent foundation of described micro-control unit 5 controls and communication mode.
Described interface module 8 is USB interface, and described interface module 8 is used for being connected with computer, when code reading card passes through this interface module 8 and is connected with computer, and the data in can updated stored module 9, thereby the upgrading of finishing equipment.
This enhanced type automobile fault code reading card also comprises a power-supply system (not shown), this power-supply system and micro-control unit 5, display module 4, sound and light alarm module 7, memory module 9, signalling channel commutation circuit 2 and diagnose interface circuit 3 all are electrically connected, and then from diagnose interface circuit 3 acquisition power supplys, and power supply is provided for micro-control unit 5, display module 4, sound and light alarm module 7, memory module 9 and signalling channel commutation circuit 2.By obtaining power supply from the vehicle diagnosis seat, can simplify the circuit design of this code reading card, reduce production costs.
See also Fig. 3, the specific works flow process of enhanced type automobile fault code reading card of the present invention is as follows:
Step 100, vehicle diagnosis interface 1 is connected with the vehicle diagnosis seat, starts this code reading card by the button on the load module 6, realize described code reading card power-up initializing;
Step 200, described display module 4 show start-up picture;
Step 300, prompting starts and to finish after startup is finished, and enters function of tonic chord menu interface, and waits for user's operation;
Whether step 400, described micro-control unit 5 do not stop to detect load module 6 key-press input;
The automobile ultimate system that step 500, user will be diagnosed by load module 6 inputs (as press in the quick diagnosis function button 61 OBDII button), described micro-control unit 5 judges whether this input is legal, if illegal, then returning continuation does not stop to detect load module 6 whether key-press input is arranged, if legal, then finish the order of this button representative.
The below describes as example take the OBDII button that the user presses in the quick diagnosis function button 61: described micro-control unit 5 calls the diagnostic routine (namely calling the OBD diagnostic module) of OBDII engine system from memory module, and send control information to signalling channel commutation circuit 2, described signalling channel commutation circuit 2 is switched the corresponding relation of diagnose interface circuit 3 and vehicle diagnosis seat signal pins according to this control information, described diagnose interface circuit 3 obtains the real-time diagnosis information of OBDII engine system from the car engine electronic control module by vehicle diagnosis interface 1, and this information sent to micro-control unit 5,5 pairs of these information of described micro-control unit are analyzed, draw diagnostic result, if this diagnostic result is unusual, then carry out sound and light alarm by sound and light alarm module 7, simultaneously this diagnostic result is presented on the display module 4, if diagnostic result is normal, then this diagnostic result is presented on the display module 4.
In sum, the invention provides a kind of enhanced type automobile fault code reading card, by external " OBDII ", " TCM ", " ABS ", " SRS " quick diagnosis function button, only need a key operation just can realize respectively to OBDII engine system, the TCM gearbox control system, the automatic diagnostic function of ABS anti-lock braking system and SRS air bag system, save the user and need to select back and forth the function that could realize at multilevel menu on traditional comprehensive diagnos equipment, for user especially unprofessional user provides more easily operation, also shorten simultaneously the time of user's diagnosis and repair automobile, reduce the labour cost in the unit interval, strengthened the competitive edge of enterprise.
The above for the person of ordinary skill of the art, can make other various corresponding changes and distortion according to technical scheme of the present invention and technical conceive, and all these changes and distortion all should belong to the protection domain of claim of the present invention.
Claims (7)
1. enhanced type automobile fault code reading card, it is characterized in that, comprise: micro-control unit, signalling channel commutation circuit with this micro-control unit electric connection, diagnose interface circuit with this micro-control unit electric connection, display module with this micro-control unit electric connection, load module with this micro-control unit electric connection, sound and light alarm module with this micro-control unit electric connection, interface module with this micro-control unit electric connection, the memory module that is electrically connected with this micro-control unit reaches the vehicle diagnosis interface that is electrically connected with the diagnose interface circuit, described vehicle diagnosis interface is used with the vehicle diagnosis seat and is connected, described signalling channel commutation circuit and diagnose interface circuit are electrically connected, described load module comprises several quick diagnosis function buttons, the user can want ultimate system to diagnose to automobile primary by these several quick diagnosis function buttons fast, the described micro-control unit controls signalling channel commutation circuit as required signal that will communicate by letter of diagnose interface circuit switches to the signal pins of vehicle diagnosis seat correspondence, finish micro-control unit and want communicating by letter of ultimate system with automobile primary, after diagnosis was finished, micro-control unit was shown in diagnostic result in the display module.
2. enhanced type automobile fault code reading card as claimed in claim 1, it is characterized in that, the quantity of described quick diagnosis function button is four, it is: OBDII button, TCM button, ABS button and SRS button, the corresponding automobile primary of these four quick diagnosis function buttons is wanted four large ultimate system settings, and described automobile primary wants four large ultimate systems to be respectively: OBDII engine system, TCM gearbox control system, ABS anti-lock braking system and SRS air bag system.
3. enhanced type automobile fault code reading card as claimed in claim 2, it is characterized in that, described load module also comprises: digital or alphabetical input keyboard and operation push-button commonly used, described numeral or alphabetic keypad comprise several digital keys or several alphabet keys, and described operation push-button commonly used comprises: upwards button, downwards button, to the right button, to left button, confirm button and withdraw from button.
4. enhanced type automobile fault code reading card as claimed in claim 2, it is characterized in that, described memory module is the TF card memory, and described memory module stores the diagnostic routine of OBDII engine system, TCM gearbox control system, ABS anti-lock braking system and SRS air bag system in advance.
5. enhanced type automobile fault code reading card as claimed in claim 1, it is characterized in that, described sound and light alarm module is carried out sound and light alarm in the unusual situation of diagnostic result, described sound and light alarm module comprises: indicating lamp module and buzzer warning module, described indicating lamp module are the LED lamp.
6. enhanced type automobile fault code reading card as claimed in claim 1 is characterized in that, described display module is a liquid crystal display, is used for display operation prompting and diagnostic result.
7. enhanced type automobile fault code reading card as claimed in claim 1 is characterized in that, described interface module is USB interface, and described interface module is used for being connected with computer, and then the upgrading of finishing equipment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210428347.7A CN102937808B (en) | 2012-10-31 | 2012-10-31 | Enhancement type vehicle failure code reading card |
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| CN201210428347.7A CN102937808B (en) | 2012-10-31 | 2012-10-31 | Enhancement type vehicle failure code reading card |
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| CN102937808A true CN102937808A (en) | 2013-02-20 |
| CN102937808B CN102937808B (en) | 2015-06-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110032173A (en) * | 2019-04-25 | 2019-07-19 | 深圳市元征科技股份有限公司 | A kind of automotive diagnostic system automatic matching method and relevant device |
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| US20040210363A1 (en) * | 2001-05-08 | 2004-10-21 | Hitachi, Ltd. | Repair and maintenance support system and a car corresponding to the system |
| CN200969034Y (en) * | 2005-12-31 | 2007-10-31 | 深圳市元征科技股份有限公司 | Novel vehicle electric control system code reading card |
| CN101286067A (en) * | 2008-05-22 | 2008-10-15 | 杨思念 | Vehicle mounted type automobile fault diagnostic apparatus |
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2012
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Patent Citations (5)
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| US20040210363A1 (en) * | 2001-05-08 | 2004-10-21 | Hitachi, Ltd. | Repair and maintenance support system and a car corresponding to the system |
| EP1284472A2 (en) * | 2001-08-14 | 2003-02-19 | DaimlerChrysler AG | Apparatus and method for the remote diagnosis of vehicles |
| CN200969034Y (en) * | 2005-12-31 | 2007-10-31 | 深圳市元征科技股份有限公司 | Novel vehicle electric control system code reading card |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110032173A (en) * | 2019-04-25 | 2019-07-19 | 深圳市元征科技股份有限公司 | A kind of automotive diagnostic system automatic matching method and relevant device |
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