CN102419594A - Automobile fault diagnosis box, diagnosis system and method - Google Patents

Abstract

The invention relates to the field of fault diagnosis and discloses an automobile fault diagnosis box, a diagnosis system and a diagnosis method. The diagnosis system comprises a diagnosis box installed on an automobile and intelligent terminal equipment in wireless connection with the diagnosis box, wherein the diagnosis box comprises a diagnosis module, a wireless communication module, a control module and a storage module, the diagnosis module is electrically connected with a fault diagnosis interface of an automobile bus and used for acquiring automobile faults and state information, after the intelligent terminal equipment sends a diagnosis or query instruction to the diagnosis box, the wireless communication module sends the automobile faults and the terminal information or fault history information to the intelligent terminal equipment, and the intelligent terminal equipment receives the information to perform analysis processing and displays a processing result on a display screen. The invention also discloses a method for diagnosing the automobile fault. By implementing the technical scheme of the invention, the automobile fault can be conveniently and quickly diagnosed, rich maintenance guide is provided, and the fault history of the automobile can be consulted.

Description

A kind of automobile failure diagnosis box, diagnostic system and method

Technical field

The present invention relates to fault diagnosis field, relate in particular to a kind of automobile failure diagnosis box, diagnostic system and method.

Background technology

Along with extensively popularizing of automobile, the maintenance of automobile and maintenance demand are also increasing, and general car owner reaches 4S shop or vehicle repairing factory with car; Repairman by specialty keeps in repair, but the instrument of vehicle diagnosis and maintenance is professional relatively, expensive; And carry inconvenience; If automobile on the way or the field break down, the car owner often need wait for maintenance personal's arrival, has delayed a lot of times.Along with people's is familiar with vehicle structure and maintenance technique; Increasing car owner does it yourself to keep in repair and maintain the automobile of oneself gradually; Therefore but the judgement of vehicle failure often needs the car owner to spend a large amount of energy and times does inspection progressively to each parts of automobile, for portable, cheap and have abundant maintenance and guide in the diagnostic tool demand of one more and more.

Summary of the invention

The technical matters that the present invention will solve is, to the above-mentioned defective of prior art, a kind of automobile failure diagnosis box, diagnostic system and method is provided.

The technical solution adopted for the present invention to solve the technical problems is:

The present invention provides a kind of automobile failure diagnosis box, comprises diagnostic module, wireless communication module and is used to control the control module of diagnostic module and wireless communication module work; Described diagnostic module is electrically connected with the diagnostics interface of automobile bus is wired, is used to obtain the fault and the status information of automobile; Described wireless communication module is used to receive diagnostic instruction and converts said fault and status information to wireless signal to send.

Described wireless communication module is any one of following modules:

Bluetooth module;

Infrared module;

The Wi-Fi module.

A kind of automobile failure diagnosis box provided by the invention also comprises the memory module that is used to store the vehicle failure historical information.

Described wireless communication module is used to receive query statement and becomes wireless signal to send said fault history information translation.

The present invention also provides a kind of vehicle fault diagnosis system, comprise the diagnosis box that is installed on the automobile and with the intelligent terminal of these diagnosis box wireless connections; Said diagnosis box is connected with the diagnostics interface of automobile bus; The diagnostic instruction that is used for sending according to intelligent terminal is obtained the fault and the status information of automobile from automobile bus, and this fault and status information are sent to intelligent terminal through wireless communication module; Described intelligent terminal is analyzed through software after receiving fault and status information, and through display screen output diagnostic result.

Described diagnosis box comprises diagnostic module, wireless communication module and is used to control the control module of diagnostic module and wireless communication module work; Described diagnostic module is electrically connected with the diagnostics interface of automobile bus is wired, is used to obtain the fault and the status information of automobile; Described wireless communication module is used to receive diagnostic instruction and converts said fault and status information to wireless signal to send.

Described diagnosis box also comprises the memory module that is used to store the vehicle failure historical information.

Described wireless communication module is used to receive query statement and becomes wireless signal to send said fault history information translation.

Described intelligent terminal is smart mobile phone or the portable computer with radio communication function.

The present invention also provides a kind of automobile failure diagnosis method, comprises the steps:

S1, at intelligent terminal and be installed between the automobile failure diagnosis box on the automobile and set up wireless connections, this diagnosis box is electrically connected with the automobile bus diagnostics interface;

S2, intelligent terminal send diagnostic instruction to diagnosis box;

S3, said diagnosis box obtain vehicle failure and status information and this information are sent to intelligent terminal according to diagnostic instruction;

S4, intelligent terminal receive vehicle failure and status information, analyze through software, and through display screen output diagnostic result.

Beneficial effect of the present invention: use diagnosis box provided by the invention, diagnostic system and method; Can conveniently diagnose vehicle failure; And provide abundant maintenance to guide, and can consult the fault history of automobile simultaneously, for judging vehicle failure more accurately reference is provided.

Description of drawings

Fig. 1 is an automobile failure diagnosis box structural representation of the present invention;

Fig. 2 is a vehicle fault diagnosis system structural representation of the present invention;

Fig. 3 is an automobile failure diagnosis method flow synoptic diagram of the present invention.

Embodiment

The unified explanation of label is as follows among the figure:

100: vehicle fault diagnosis system; 101: the automobile failure diagnosis interface; 200: diagnosis box; 201: diagnostic module; 202: wireless communication module; 203: control module;

204: memory module; 300: intelligent terminal.

In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.

The present invention provides a kind of automobile failure diagnosis box, diagnostic system and method.The automobile failure diagnosis box is installed on automobile; Obtain the fault and the status information of automobile through the fault diagnosis box; This fault and status information are sent on the intelligent terminal with the wireless connections of automobile failure diagnosis box; The software that can carry out analyzing and processing to vehicle failure and status information is installed on this intelligent terminal, information such as analysis result and maintenance guide is shown through display screen, guide is provided for the driver fixes a breakdown through intelligent terminal after the analyzing and processing.

As shown in Figure 1; The structural representation of the automobilefailure diagnosis box 200 of the present invention's one preferred embodiment; Thisdiagnosis box 200 comprisesdiagnostic module 201,wireless communication module 202 and is used to controldiagnostic module 201 and thecontrol module 203 ofwireless communication module 202 work; Describeddiagnostic module 201 is electrically connected with thediagnostics interface 101 of automobile bus; Be used to obtain the fault and the status information of automobile, describedwireless communication module 202 is used to receive diagnostic instruction and the fault that is used fordiagnostic module 201 is received and status information convert wireless signal to send.Usedwireless communication module 202 can be any one in bluetooth module, infrared module or the Wi-Fi module in thisdiagnosis box 200; Adopt bluetooth module in this preferred embodiment, can certainly select other suitable wireless communication technologys to form this wireless communication module.

Preferably;Diagnosis box 200 also comprises a memory module 204, is used to store the historical information of vehicle failure, in this memory module 204 can all be stored in the failure message of each automobile; So that the car owner consults; When automobile broke down, the car owner can know that according to the historical information of vehicle failure the number of times which parts of this car break down is more, but emphasis is checked these parts;Wireless communication module 202 can receive query statement, and converts the historical information of vehicle failure to wireless signal to send.

As shown in Figure 2; The structural representation of the vehiclefault diagnosis system 100 of the present invention's one preferred embodiment; This vehiclefault diagnosis system 100 comprise automobilefailure diagnosis box 200 and with the intelligent terminal 300 of automobilefailure diagnosis box 200 wireless connections, thisdiagnosis box 200 comprisesdiagnostic module 201,wireless communication module 202 and is used to control thecontrol module 203 of diagnostic module and wireless communication module work; This intelligent terminal 300 can be selected the smart mobile phone with radio communication function for use, also can select other smart machines with radio communication function for use, like notebook computer; Palm PC; Panel computer etc., the radio function of intelligent terminal should be corresponding with the wireless communication module of diagnosis box so that intelligent terminal can with the diagnosis box radio communication; In this preferred embodiment for diagnosis box in bluetooth module corresponding, select smart mobile phone for use with Bluetooth function.Thediagnostic module 201 ofdiagnosis box 200 is electrically connected with thediagnostics interface 101 of automobile bus; Thewireless communication module 202 and the intelligent terminal 300 ofdiagnosis box 200 are set up wireless connections; When usingnative system 100; Intelligent terminal 300 sends diagnostic instruction with wireless signal; Thewireless communication module 202 ofdiagnosis box 200 receives after these diagnostic instructions, andcontrol module 203 controldiagnostic modules 201 obtain vehicle failure and status information from automobile bus, and converts this fault and status information to wireless signal throughwireless communication module 202 and be sent to intelligent terminal 300; Intelligent terminal 300 receives after fault and the status information; Through moving software mounted thereto this fault and status information are carried out analyzing and processing, the result after analyzing is guided with maintenance be presented on the display screen, automobile is keeped in repair and troubleshooting of faults to instruct the car owner.

Preferably;Diagnosis box 200 also comprises a memory module 204; Be used to store the historical information of vehicle failure, so that the car owner consults, intelligent terminal 300 can send query statement todiagnosis box 200; Thewireless communication module 202 ofdiagnosis box 200 can receive query statement; And convert the historical information of vehicle failure to wireless signal according to query statement and return to intelligent terminal, then the car owner can consult the fault history information of this car, so that reference is provided and does more accurately and judge for the fault of automobile.

Automobile for different brand or vehicle; Possible diagnosis box is different from the information that its diagnostics interface obtains; But the diagnostics interface of various vehicles is standards; Use native system, the software version that only needs on intelligent terminal, to install with this automobile coupling gets final product, so native system has adaptability widely.

As shown in Figure 3 is the schematic flow sheet of automobile failure diagnosis method provided by the present invention, as shown in Figure 3, and this automobile failure diagnosis method comprises the steps:

S1, at intelligent terminal and be installed between the automobile failure diagnosis box on the automobile and set up wireless connections, thediagnostics interface 101 of this automobile failure diagnosis box and automobile bus is electrically connected; Comprise a wireless communication module in the automobile failure diagnosis box; This wireless communication module can be selected any in bluetooth module, infrared module or the Wi-Fi module for use; Corresponding intelligent terminal also has radio communication function; It is technological consistent that its radio communication function should adopt with the wireless communication module in the diagnosis box, makes the two to be complementary, and carries out the exchange of information;

S2, intelligent terminal send diagnostic instruction to diagnosis box;

S3, said diagnosis box obtain vehicle failure and status information and this information are sent to intelligent terminal according to the diagnostics interface of diagnostic instruction from automobile bus;

S4, intelligent terminal receive vehicle failure and status information, carry out analyzing and processing through software, and through display screen output diagnostic result, think that the car owner provides maintenance to guide.

Claims (10)

1. an automobile failure diagnosis box is characterized in that, comprises diagnostic module (201), wireless communication module (202) and is used to control diagnostic module (201) and the control module (203) of wireless communication module (202) work; The wired electrical connection of diagnostics interface (101) of described diagnostic module (201) and automobile bus is used to obtain the fault and the status information of automobile; Described wireless communication module (202) is used to receive diagnostic instruction and converts said fault and status information to wireless signal to send.

2. a kind of automobile failure diagnosis box according to claim 1 is characterized in that, described wireless communication module (202) is any one of following modules:

Bluetooth module;

Infrared module;

The Wi-Fi module.

3. a kind of automobile failure diagnosis box according to claim 1 is characterized in that, also comprises the memory module (204) that is used to store the vehicle failure historical information.

4. a kind of automobile failure diagnosis box according to claim 3 is characterized in that, described wireless communication module (202) is used to receive query statement and becomes wireless signal to send said fault history information translation.

5. a vehicle fault diagnosis system is characterized in that, comprise diagnosis box (200) and with the intelligent terminal (300) of these diagnosis box wireless connections; Said diagnosis box (200) is connected with the diagnostics interface (101) of automobile bus; The diagnostic instruction that is used for sending according to intelligent terminal (300) is obtained the fault and the status information of automobile from automobile bus, and this fault and status information are sent to intelligent terminal (300) through wireless communication module (202); Described intelligent terminal (300) is analyzed through software after receiving fault and status information, and through display screen output diagnostic result.

6. a kind of vehicle fault diagnosis system according to claim 5; It is characterized in that described diagnosis box (200) comprises diagnostic module (201), wireless communication module (202) and is used to control diagnostic module (201) and the control module of wireless communication module (202) work; The wired electrical connection of diagnostics interface (101) of described diagnostic module (201) and automobile bus is used to obtain the fault and the status information of automobile; Described wireless communication module (202) is used to receive diagnostic instruction and converts said fault and status information to wireless signal to send.

7. a kind of vehicle fault diagnosis system according to claim 5 is characterized in that, described diagnosis box also comprises the memory module (204) that is used to store the vehicle failure historical information.

8. a kind of vehicle fault diagnosis system according to claim 7 is characterized in that, described wireless communication module (202) is used to receive query statement and becomes wireless signal to send said fault history information translation.

9. a kind of vehicle fault diagnosis system according to claim 5 is characterized in that, described intelligent terminal (300) is for having the smart mobile phone or the portable computer of radio communication function.

10. an automobile failure diagnosis method is characterized in that, comprises the steps:

S1, at intelligent terminal and be installed between the automobile failure diagnosis box on the automobile and set up wireless connections, this diagnosis box is electrically connected with the automobile bus diagnostics interface;

S2, intelligent terminal send diagnostic instruction to diagnosis box;

S3, said diagnosis box obtain vehicle failure and status information and this information are sent to intelligent terminal according to diagnostic instruction;

S4, intelligent terminal receive vehicle failure and status information, analyze through software, and through display screen output diagnostic result.

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