CN103616891A - Automobile fault diagnosis terminal, system and method - Google Patents
Automobile fault diagnosis terminal, system and method Download PDFInfo
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- CN103616891A CN103616891A CN201310662693.6A CN201310662693A CN103616891A CN 103616891 A CN103616891 A CN 103616891A CN 201310662693 A CN201310662693 A CN 201310662693A CN 103616891 A CN103616891 A CN 103616891A
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Abstract
The invention discloses an automobile fault diagnosis terminal, system and method. The automobile fault diagnosis terminal comprises a central processing module, a diagnose interface module, an upper computer interface module and a power module, wherein the central processing module is used for receiving a fault diagnosis command sent by the upper computer interface module and sending the fault diagnosis command to the diagnose interface module; the diagnose interface module is used for obtaining fault and state information of a vehicle to be detected according to the fault diagnosis command and sending the fault and state information to the central processing module; the central processing module is also used for receiving the fault and state information of the vehicle to be detected, carrying out data processing according to the fault and state information to obtain a fault diagnosis result and sending the fault diagnosis result to the upper computer interface module; the upper computer interface module is used for receiving the fault diagnosis result sent by the central processing module; the power module supplies electricity to all the modules. According to the terminal, system and method, fault information and running parameters of the vehicle can be obtained in real time to be used for fault maintenance, and the terminal is convenient to carry.
Description
Technical field
The present invention relates to fault diagnosis field, relate in particular to a kind of automobile failure diagnosis terminal, system and method.
Background technology
Along with Chinese science and technology is just in develop rapidly, vehicle technology is also increasingly novel.In order to adapt to the development of vehicle technology, car owner, R&D institution, maintenance personal and vehicle production producer can go out to send to obtain the demand that useful information meets oneself from different aspect and different factor.Some car owners, for security consideration, expect the current state of vehicle, whether have potential safety hazard; Some R&D institutions, want to study the performance of engine, expect the operational factor of some engine, as fuel injection pulsewidth, ignition angle, coolant temperature, air-fuel ratio, engine idle etc.; Some car owners think to understand in real time vehicle and whether have occurred fault, so that on-call maintenance; Some maintenance personals think that current maintenance of equipment is on the market too heavy, carry inconvenience when emergent; Also have in addition vehicle production producer to expect the real-time fuel consume situation of vehicle of its production.
Summary of the invention
The embodiment of the present invention provides a kind of automobile failure diagnosis terminal, system and method, for breakdown maintenance, and easy to carry with the operational factor that realizes Real-time Obtaining failure message and vehicle.
First aspect, the embodiment of the present invention provides a kind of automobile failure diagnosis terminal, described automobile failure diagnosis terminal comprise diagnose interface module, central processing module, with host computer interface module and power module;
Wherein, described central processing module is connected with host computer interface module with described, for receiving the described fault diagnosis instruction sending with upper computer module interface, and described fault diagnosis instruction is sent to described diagnose interface module;
Described diagnose interface module is connected with the diagnose interface of vehicle to be measured, for obtaining fault and the status information of described vehicle to be measured according to the described fault diagnosis instruction receiving, and is sent to described central processing module;
Described CPU module is also for receiving described fault and the status information of the described vehicle to be measured of described diagnose interface module transmission, and according to described fault and status information, carry out data processing and obtain fault diagnosis result, send described fault diagnosis result to described and host computer interface module;
Describedly be connected with described central processing module with host computer interface module, the described fault diagnosis result sending for receiving described CPU (central processing unit);
Described power module is connected with host computer interface module with described with described diagnose interface module, described central processing module, is used to described diagnose interface module, described central processing module and the power supply of described host computer interface module.
Further, described central processing module comprises Read fault message unit, deletes failure message unit, time data stream unit and motion test unit; Wherein, described Read fault message unit is for obtaining the described failure message of described vehicle to be measured; Described deletion failure message unit is for deleting the failure message of described vehicle to be measured; Described time data stream unit obtains the operational factor of described vehicle motor to be measured for obtaining the described current running state information of described vehicle to be measured; Whether described motion test unit is working properly for detection of the controlled electron parts of described vehicle to be measured.
Further, described failure message comprises current failure message and historical failure information.
Further, described and host computer interface module comprises following arbitrary module: general-purpose serial bus USB interface module, RS232 interface module, RS485 interface module, bluetooth module and wifi module.
Further, described diagnose interface module comprises following arbitrary module: automobile bus interface module, RS485 interface module, wireless module and RS232 interface module.
Second aspect, the embodiment of the present invention also provides a kind of vehicle fault diagnosis system, and any embodiment of the present invention the automobile failure diagnosis terminal providing and the intelligent terminal being connected with described automobile failure diagnosis terminal are provided described system;
Described fault diagnosis terminal is connected with the diagnose interface of vehicle to be measured, for the diagnostic instruction that sends according to described intelligent terminal, from described vehicle to be measured, obtain fault and the status information of described vehicle to be measured, and analyze described fault and status information obtains fault diagnosis result, and described fault diagnosis result is sent to described intelligent terminal;
Described intelligent terminal is used for receiving described fault diagnosis result, and exports described fault diagnosis result by display screen.
Further, described intelligent terminal is mobile phone, panel computer, notebook or desktop computer.
Further, described fault diagnosis result represents on described intelligent terminal in real time in the mode of word, figure and sound.
The third aspect, the embodiment of the present invention also provides a kind of Diagnosis method of automobile faults, and described method comprises:
In intelligent terminal and the automobile failure diagnosis terminal being arranged on vehicle to be measured, connect, described automobile failure diagnosis terminal is electrically connected to the diagnose interface of described vehicle to be measured;
Described intelligent diagnosis terminal sends diagnostic instruction to described automobile failure diagnosis terminal;
Described automobile failure diagnosis terminal is obtained fault and the status information of described vehicle to be measured according to described diagnostic instruction, and obtain fault diagnosis result by fault and the status information of vehicle to be measured described in software analysis, and described fault diagnosis result is sent to described intelligent terminal;
Described intelligent terminal receives described fault diagnosis result, and exports described fault diagnosis result by display screen.
The embodiment of the present invention is obtained vehicle trouble information by diagnose interface module, central processing module carries out fault diagnosis according to vehicle trouble and status information, and be that intelligent terminal shows by sending to host computer with host computer interface module, realize the operational factor of Real-time Obtaining failure message and vehicle for breakdown maintenance, and easy to carry.
Accompanying drawing explanation
Fig. 1 is the structural representation of the automobile failure diagnosis terminal in first embodiment of the invention.
Fig. 2 is the structural representation of the vehicle fault diagnosis system in second embodiment of the invention.
Fig. 3 is the process flow diagram of the Diagnosis method of automobile faults in third embodiment of the invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, in accompanying drawing, only show part related to the present invention but not entire infrastructure.
Embodiment mono-
The structural representation of the automobile failure diagnosis terminal that Fig. 1 provides for the embodiment of the present invention one, the situation that the present embodiment breaks down and needs repairing applicable to automobile, the concrete structure of this automobile failure diagnosis terminal 100 is as follows:
In the present embodiment, central processing module can receive fault diagnosis instruction, also can receive other instructions that host computer sends, and such as controlling the instruction of the controlled electron parts of vehicle to be measured, whether the controlled electron parts that detect vehicle to be measured are working properly.
Diagnose interface module 101, is connected with the diagnose interface 201 of vehicle to be measured, for obtaining fault and the status information of described vehicle to be measured according to the described fault diagnosis instruction receiving, and is sent to central processing module.
In the present embodiment, diagnose interface module can be the arbitrary module in K LINE, CAN BUS, RS485, wireless module, RS232 module, because interface module is different, can connect by the diagnose interface of different X-overs and vehicle to be measured, obtain fault and the status information of vehicle to be measured.
Described central processing module 102, be connected with diagnose interface module 101, for receiving described fault and the status information of the described vehicle to be measured of described diagnose interface module transmission, and according to described fault and status information, carry out data processing and obtain fault diagnosis result, send described fault diagnosis result to described and host computer interface module 103.
In the present embodiment, described fault and the status information of the described vehicle to be measured that central processing module receives by analysis, treat survey vehicle and diagnose, and fault diagnosis result is sent to and host computer interface module.
With host computer interface module 103, be connected with described central processing module 102, the described fault diagnosis result sending for receiving described CPU (central processing unit).
In the present embodiment, receive with host computer interface module the described fault diagnosis result that described CPU (central processing unit) sends, convert signal of communication to and send.
Described power module 104, is connected with described diagnose interface mould 101, described central processing module 102 and described host computer interface module 103, is used to described diagnose interface module 101, described central processing module 102 and 103 power supplies of described host computer interface module.
In the present embodiment, power module adopts 12V power supply, and the power supply providing with car matches, and has taked corresponding measure to carry out reliability design for lightning protection and reverse power connection.
The technical scheme of the present embodiment, by diagnose interface module, obtain vehicle trouble information, central processing module carries out fault diagnosis according to vehicle trouble and status information, and be that intelligent terminal shows by sending to host computer with host computer interface module, realize the operational factor of Real-time Obtaining failure message and vehicle for breakdown maintenance, and easy to carry.
On the basis of technique scheme, described central processing module 102 comprises Read fault message unit 1021, deletes failure message unit 1022, time data stream unit 1023 and motion test unit 1024;
Wherein, described Read fault message unit 1021 is for obtaining the described failure message of described vehicle to be measured;
Described deletion failure message unit 1022 is for deleting the failure message of described vehicle to be measured;
Described time data stream unit 1023 obtains the operational factor of described vehicle motor to be measured for obtaining the described current running state information of described vehicle to be measured;
Whether described motion test unit 1024 is working properly for detection of the controlled electron parts of described vehicle to be measured.
In the present embodiment, the controlled electron parts of vehicle to be measured comprise vent fan, vehicle window, wiper etc.
On the basis of technique scheme, described failure message comprises current failure message and historical failure information.
In the present embodiment, the failure message of storage in vehicle when current failure message refers to not place under repair after current breaking down, the failure message of storage in vehicle while having repaired after historical failure information refers to break down.
On the basis of technique scheme, described and host computer interface module comprises following arbitrary module: general-purpose serial bus USB interface module, RS232 interface module, RS485 interface module, bluetooth module and wifi module.
On the basis of technique scheme, described diagnose interface module comprises following arbitrary module: automobile bus interface module, RS485 interface module, wireless module and RS232 interface module.
Embodiment bis-
The structural representation of the vehicle fault diagnosis system that Fig. 2 provides for the embodiment of the present invention two, on the basis of above-described embodiment, any embodiment of the present invention the automobile failure diagnosis terminal 100 providing and the intelligent terminal 300 being connected with described automobile failure diagnosis terminal are provided described vehicle fault diagnosis system 200, support IS09141, ISO14230, KWP2000, SAE J1850, ISO15765, SAE J1939, the fault diagnosis agreement that the vehicles such as SAE J1708 use;
Wherein, described fault diagnosis terminal 100 is connected with the diagnose interface 201 of vehicle to be measured, for the diagnostic instruction that sends according to described intelligent terminal, from described vehicle to be measured, obtain fault and the status information of described vehicle to be measured, and analyze described fault and status information obtains fault diagnosis result, and described fault diagnosis result is sent to described intelligent terminal.
Described intelligent terminal 300 is for receiving described fault diagnosis result, and exports described fault diagnosis result by display screen.
In the present embodiment, intelligent terminal can be selected the smart mobile phone with communication function, also can select other smart machines with communication function, such as notebook computer, palm PC, panel computer and desktop computer etc.The communication interface modules of intelligent terminal must be followed corresponding with host computer interface module, make intelligent terminal can with automobile failure diagnosis terminal communication.
The diagnose interface module 101 of automobile failure diagnosis terminal 100 is electrically connected to the diagnose interface 201 of automobile, establish a communications link with host computer interface module 103 and intelligent terminal 300, while using native system 200, intelligent terminal 300 sends diagnostic instruction with signal of communication, automobile failure diagnosis terminal 100 receive these diagnostic instructions with host computer interface module 103 after, central processing module 103 is controlled diagnose interface module 101 and is obtained automobile fault information and status information, and by moving software mounted thereto, this fault and status information are carried out to analyzing and processing, fault diagnosis result after analyzing and processing is sent to intelligent terminal 300 by converting signal of communication to host computer interface module 103, intelligent terminal 300 receives fault diagnosis result, be presented on display screen, instruct car owner to keep in repair and the eliminating of fault automobile.
The technical scheme of the present embodiment, by automobile failure diagnosis terminal, obtain fault and status information, and by program, it is carried out to analyzing and processing, fault diagnosis result after analyzing and processing is sent to intelligent terminal to be shown, for fixing a breakdown, driver provides guide, realize the operational factor of Real-time Obtaining failure message and vehicle for breakdown maintenance, and easy to carry.
Embodiment tri-
Figure 3 shows that the process flow diagram of the Diagnosis method of automobile faults that the embodiment of the present invention three provides, the vehicle fault diagnosis system that the present embodiment is provided by above-described embodiment is carried out, support IS09141, ISO14230, KWP2000, SAE J1850, ISO15765, SAE J1939, the fault diagnosis agreement that the vehicles such as SAE J1708 use.Details are as follows for the method:
The technical scheme of the present embodiment, by automobile failure diagnosis terminal, obtain fault and status information, and by program, it is carried out to analyzing and processing, fault diagnosis result after analyzing and processing is sent to intelligent terminal to be shown, for fixing a breakdown, driver provides guide, realize the operational factor of Real-time Obtaining failure message and vehicle for breakdown maintenance, and easy to carry.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious variations, readjust and substitute and can not depart from protection scope of the present invention.Therefore, although the present invention is described in further detail by above embodiment, the present invention is not limited only to above embodiment, in the situation that not departing from the present invention's design, can also comprise more other equivalent embodiment, and scope of the present invention is determined by appended claim scope.
Claims (9)
1. an automobile failure diagnosis terminal, is characterized in that, described automobile failure diagnosis terminal comprise diagnose interface module, central processing module, with host computer interface module and power module;
Wherein, described central processing module is connected with host computer interface module with described, for receiving the described fault diagnosis instruction sending with upper computer module interface, and described fault diagnosis instruction is sent to described diagnose interface module;
Described diagnose interface module is connected with the diagnose interface of vehicle to be measured, for obtaining fault and the status information of described vehicle to be measured according to the described fault diagnosis instruction receiving, and is sent to described central processing module;
Described CPU module is also for receiving described fault and the status information of the described vehicle to be measured of described diagnose interface module transmission, and according to described fault and status information, carry out data processing and obtain fault diagnosis result, send described fault diagnosis result to described and host computer interface module;
Describedly be connected with described central processing module with host computer interface module, the described fault diagnosis result sending for receiving described CPU (central processing unit);
Described power module is connected with host computer interface module with described with described diagnose interface module, described central processing module, is used to described diagnose interface module, described central processing module and the power supply of described host computer interface module.
2. automobile failure diagnosis terminal according to claim 1, is characterized in that, described central processing module comprises Read fault message unit, deletes failure message unit, time data stream unit and motion test unit;
Wherein, described Read fault message unit is for obtaining the described failure message of described vehicle to be measured;
Described deletion failure message unit is for deleting the failure message of described vehicle to be measured;
Described time data stream unit obtains the operational factor of described vehicle motor to be measured for obtaining the described current running state information of described vehicle to be measured;
Whether described motion test unit is working properly for detection of the controlled electron parts of described vehicle to be measured.
3. automobile failure diagnosis terminal according to claim 1 and 2, is characterized in that, described failure message comprises current failure message and historical failure information.
4. automobile failure diagnosis terminal according to claim 1, it is characterized in that, described and host computer interface module comprises following arbitrary module: general-purpose serial bus USB interface module, RS232 interface module, RS485 interface module, bluetooth module and wifi module.
5. automobile failure diagnosis terminal according to claim 1, is characterized in that, described diagnose interface module comprises following arbitrary module: automobile bus interface module, RS485 interface module, wireless module and RS232 interface module.
6. a vehicle fault diagnosis system, is characterized in that, described system comprise automobile failure diagnosis terminal as described in as arbitrary in claim 1-4 with as described in the intelligent terminal that is connected of automobile failure diagnosis terminal;
Described fault diagnosis terminal is connected with the diagnose interface of vehicle to be measured, for the diagnostic instruction that sends according to described intelligent terminal, from described vehicle to be measured, obtain fault and the status information of described vehicle to be measured, and analyze described fault and status information obtains fault diagnosis result, and described fault diagnosis result is sent to described intelligent terminal;
Described intelligent terminal is used for receiving described fault diagnosis result, and exports described fault diagnosis result by display screen.
7. vehicle fault diagnosis system according to claim 6, is characterized in that, described intelligent terminal is mobile phone, panel computer, notebook or desktop computer.
8. vehicle fault diagnosis system according to claim 6, is characterized in that, described fault diagnosis result represents on described intelligent terminal in real time in the mode of word, figure and sound.
9. a Diagnosis method of automobile faults, is characterized in that, described method comprises:
In intelligent terminal and the automobile failure diagnosis terminal being arranged on vehicle to be measured, connect, described automobile failure diagnosis terminal is electrically connected to the diagnose interface of described vehicle to be measured;
Described intelligent diagnosis terminal sends diagnostic instruction to described automobile failure diagnosis terminal;
Described automobile failure diagnosis terminal is obtained fault and the status information of described vehicle to be measured according to described diagnostic instruction, and obtain fault diagnosis result by fault and the status information of vehicle to be measured described in software analysis, and described fault diagnosis result is sent to described intelligent terminal;
Described intelligent terminal receives described fault diagnosis result, and exports described fault diagnosis result by display screen.
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| CN111694026A (en) * | 2020-06-15 | 2020-09-22 | 江铃汽车股份有限公司 | New energy automobile GPS antenna fault detection method and system |
| CN113505900A (en) * | 2021-07-11 | 2021-10-15 | 中国国家铁路集团有限公司 | Motor train unit auxiliary converter module digital maintenance platform and method |
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Cited By (7)
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| CN111694026A (en) * | 2020-06-15 | 2020-09-22 | 江铃汽车股份有限公司 | New energy automobile GPS antenna fault detection method and system |
| CN113505900A (en) * | 2021-07-11 | 2021-10-15 | 中国国家铁路集团有限公司 | Motor train unit auxiliary converter module digital maintenance platform and method |
| CN113505900B (en) * | 2021-07-11 | 2023-12-01 | 中国国家铁路集团有限公司 | Digital maintenance platform and method for auxiliary converter module of EMU |
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