CN106652083A - OBD (On-Board Diagnostic) device, peripheral terminal and OBD peripheral terminal expansion method and system - Google Patents
OBD (On-Board Diagnostic) device, peripheral terminal and OBD peripheral terminal expansion method and system Download PDFInfo
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- CN106652083A CN106652083A CN201611195332.5A CN201611195332A CN106652083A CN 106652083 A CN106652083 A CN 106652083A CN 201611195332 A CN201611195332 A CN 201611195332A CN 106652083 A CN106652083 A CN 106652083A
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- obd
- vehicle data
- peripheral hardware
- obd devices
- terminal
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/008—Registering or indicating the working of vehicles communicating information to a remotely located station
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0808—Diagnosing performance data
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Abstract
The invention discloses an OBD (On-Board Diagnostic) device, a peripheral terminal and an OBD peripheral terminal expansion method and system. The OBD device comprises a connecting module, a first acquisition module, a diagnosis module and a display module, wherein the connecting module is used for establishing connection between the OBD device and the peripheral terminal when detecting a USB (Universal Serial Bus) connection signal of the peripheral terminal; the first acquisition module is used for acquiring vehicle data which are transmitted by the peripheral terminal based on USB connection; the diagnosis module is used for diagnosing the vehicle data to obtain a diagnosing result; the display module is used for displaying the diagnosing result. According to the OBD device, a complicated connection step is simplified when the peripheral terminal is expanded by the OBD device, and a medium for functional connection of the OBD device and the peripheral terminal is omitted, so that time consumed in a diagnosis process is shortened; the diagnosis efficiency of the peripheral terminal is improved and user experience is improved.
Description
Technical field
The present invention relates to OBD engineering device technique fields, more particularly to a kind of OBD devices and peripheral hardware terminal, OBD expanding peripherals ends
End method and system.
Background technology
In prior art, OBD (On-Board Diagnostic, i.e. onboard diagnostic system) device can be carried out to vehicle
Various functions are diagnosed, and when needing to carry out functional diagnosis that some OBD devices itself do not possess, OBD devices generally require to lead to
The Function Extension auxiliary for crossing other peripheral hardware terminals is realized.Usually, peripheral hardware terminal needs to be first coupled on diagnostic device, then
OBD devices are attached again with diagnostic device, the extension that such OBD devices could complete to peripheral hardware terminal by diagnostic device,
The functional diagnosis to vehicle is realized so as to the vehicle data collected using peripheral hardware terminal.But, this method has very big
Limitation, i.e., extension of the OBD devices to peripheral hardware terminal must be first coupled to diagnostic device could realize, this process is loaded down with trivial details tired
It is superfluous so that the data transfer and communication of OBD devices and peripheral hardware terminal not in time, causes the diagnosis efficiency of peripheral hardware terminal low, pole
The earth reduces the experience of user.
The content of the invention
Present invention is primarily targeted at providing a kind of OBD devices and peripheral hardware terminal, OBD expanding peripherals terminal method and being
System, it is intended to solve OBD devices during expanding peripherals terminal, it is necessary to which the peripheral hardware terminal being connected on diagnostic device could be real
Now extend, the technical problem for causing the diagnosis efficiency of peripheral hardware terminal low.
For achieving the above object, the embodiment of the present invention provides a kind of OBD devices, and the OBD devices include：
Link block, for when the USB for detecting peripheral hardware terminal connects signal, OBD devices and peripheral hardware terminal being set up
Connection；
First acquisition module, for obtaining the vehicle data that peripheral hardware terminal connects transmission based on USB；
Diagnostic module, for diagnosing the vehicle data, to obtain diagnostic result；
Display module, for showing the diagnostic result.
Alternatively, first acquisition module is additionally operable to：
When detecting OBD devices and obtaining vehicle data and finish, send that the vehicle data is corresponding to finish receiving instruction
To peripheral hardware terminal.
The present invention also provides a kind of peripheral hardware terminal, and the peripheral hardware terminal includes：
First sending module, signal is connected to OBD devices for sending USB；
Second acquisition module, for obtaining vehicle data；
Second sending module, for the vehicle data to be based on into USB linkup transmits to OBD devices.
Alternatively, the vehicle data is sent stage by stage to OBD devices, second sending module in the form of packet
It is additionally operable to：
When finishing receiving instruction of OBD devices transmission is received, the new corresponding packet of vehicle data is sent to OBD
The vehicle data of device.
Meanwhile, the present invention provides a kind of OBD device expanding peripherals terminal methods based on OBD devices, is applied to OBD devices
With peripheral hardware terminal, the OBD device expanding peripherals terminal methods based on OBD devices include：
When the USB for detecting peripheral hardware terminal connects signal, OBD devices and peripheral hardware terminal are set up into connection；
Obtain the vehicle data that peripheral hardware terminal connects transmission based on USB；
The vehicle data is diagnosed, to obtain diagnostic result；
Show the diagnostic result.
Alternatively, described acquisition the step of peripheral hardware terminal connects the vehicle data of transmission based on USB also includes：
When detecting OBD devices and obtaining vehicle data and finish, send that the vehicle data is corresponding to finish receiving instruction
To peripheral hardware terminal.
The present invention a kind of OBD device expanding peripherals terminal methods based on peripheral hardware terminal are also provided, be applied to OBD devices and
Peripheral hardware terminal, the OBD device expanding peripherals terminal methods based on peripheral hardware terminal include：
Send USB and connect signal to OBD devices；
Obtain vehicle data；
By the vehicle data based on USB linkup transmits to OBD devices.
Alternatively, the vehicle data is sent stage by stage to OBD devices in the form of packet, described by the vehicle number
The step of according to based on USB linkup transmits to OBD devices, also includes：
When finishing receiving instruction of OBD devices transmission is received, the new corresponding packet of vehicle data is sent to OBD
The vehicle data of device.
Additionally, for achieving the above object, the present invention also provides a kind of OBD devices expanding peripherals terminal system, the OBD dresses
Expanding peripherals terminal system is put including OBD devices and peripheral hardware terminal, in the OBD devices expanding peripherals terminal system,
The OBD devices include：
Link block, for when the USB for detecting peripheral hardware terminal connects signal, OBD devices and peripheral hardware terminal being set up
Connection；
First acquisition module, for obtaining the vehicle data that peripheral hardware terminal connects transmission based on USB；
Diagnostic module, for diagnosing the vehicle data, to obtain diagnostic result；
Display module, for showing the diagnostic result；
The peripheral hardware terminal is used to send USB connection signals to OBD devices, for vehicle data to be sent out based on USB connections
Deliver to OBD devices.
Alternatively, in the OBD devices expanding peripherals terminal system,
The peripheral hardware terminal includes：
First sending module, signal is connected to OBD devices for sending USB；
Second acquisition module, for obtaining vehicle data；
Second sending module, for the vehicle data to be based on into USB linkup transmits to OBD devices；
The OBD devices are for receiving the USB connection signals of the first sending module transmission, for receiving the second sending module
Vehicle data based on USB linkup transmits.
In technical scheme, when link block detects the USB connection signals of peripheral hardware terminal, by OBD devices
Set up with peripheral hardware terminal and connect；Then the first acquisition module obtains the vehicle data that peripheral hardware terminal connects transmission based on USB；Then
Diagnostic module diagnoses the vehicle data, to obtain diagnostic result；Last display module shows the diagnostic result.By above-mentioned
Mode, peripheral hardware terminal during OBD device expanding peripherals terminals, directly set up with OBD devices by USB connections and connected
Connect, and then the vehicle data that OBD devices are collected using peripheral hardware terminal diagnoses vehicle, without being first connected to peripheral hardware terminal
Diagnosis terminal, then diagnosis terminal is connected on OBD devices.The present invention simplifies the loaded down with trivial details flow process of OBD device expanding peripherals terminals,
The medium of OBD devices and the connection of peripheral hardware termination function is saved, shortens the time consumed during diagnosis, improve examining for peripheral hardware terminal
Disconnected efficiency, improves the experience of user.
Description of the drawings
Fig. 1 is the optional schematic diagram of a scenario of each embodiment in OBD expanding peripherals terminal method of the present invention；
Fig. 2 is the module diagram of OBD devices first embodiment of the present invention；
Fig. 3 is the module diagram of peripheral hardware terminal first embodiment of the present invention；
Fig. 4 is schematic flow sheet of the present invention based on the OBD expanding peripherals terminal method first embodiments of OBD devices；
Fig. 5 is schematic flow sheet of the present invention based on the OBD expanding peripherals terminal method first embodiments of peripheral hardware terminal；
Fig. 6 is the system module signal of OBD devices expanding peripherals terminal system first embodiment of the present invention, second embodiment
Figure；
Fig. 7 is OBD devices expanding peripherals terminal system first embodiment of the present invention, the system of second embodiment is in kind illustrates
Figure.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, and refer to the attached drawing is described further.
Specific embodiment
It should be appreciated that specific embodiment described herein is not intended to limit the present invention only to explain the present invention.
The OBD devices of each embodiment of the invention are realized referring now to Description of Drawings.In follow-up description, using use
In represent element such as " module ", " part " or " unit " suffix only for be conducive to the present invention explanation, itself is simultaneously
Without specific meaning.Therefore, " module " can be used mixedly with " part ".
With reference to Fig. 1, Fig. 1 is an optional schematic diagram of a scenario of the present invention, and A is OBD devices, and B is peripheral hardware terminal, and C is car
.Peripheral hardware terminal B can be connected with vehicle C, and detect every property parameters data of vehicle C, while can also realize to vehicle C
Partial function is diagnosed, and is connected by USB, and OBD devices A can be with expanding peripherals terminal B, the vehicle number gathered by peripheral hardware terminal B
According to OBD devices can be implemented as the functional diagnosis and detection to vehicle C not possessed before expanding peripherals terminal B.
With reference to Fig. 2, the present invention provides a kind of OBD devices, and in OBD device first embodiments, the OBD devices include：
Link block 10, for when the USB for detecting peripheral hardware terminal connects signal, OBD devices and peripheral hardware terminal being built
Vertical connection；
OBD devices refer to onboard diagnostic system device, can collect the various functions attribute data of vehicle and based on institute
State the current situation of functional attributes data diagnosis vehicle.What USB was referred to is USB, is an external bus standard,
It is capable of being connected and communicate with for specification electronic equipment and external equipment, is a kind of international interfacing.USB interface is supported to set
Standby plug and play and warm connection function.USB interface channels connection distinct device can be set up using USB, is broken difference and is set
Physics cut-off between standby, realizes the transmission exchange of data between distinct device.
Expanding peripherals terminal needs that first the USB joint of peripheral hardware terminal is connected on the USB interface of OBD devices, works as peripheral hardware
The USB joint of terminal is connected on the interface of OBD devices, and link block 10 can detect the USB connection signals of peripheral hardware terminal, this
When, link block 10 will set up USB interface channels by USB connections with peripheral hardware terminal, by the USB interface channels, connection
Module 10 can complete the transmission of the data flows such as data, instruction with peripheral hardware terminal, to realize between OBD devices and peripheral hardware terminal
Data exchange.Connected using USB, rapidly can be associated in OBD devices and peripheral hardware terminal with simple and direct, so that OBD dresses
Put rapidly can carry out functional diagnosis and detection with peripheral hardware terminal to vehicle.
First acquisition module 20, for obtaining the vehicle data that peripheral hardware terminal connects transmission based on USB；
When the vehicle data that peripheral hardware terminal is transmitted by USB linkup transmits is detected, the first acquisition module 20 is obtained
The vehicle data is taken, to call the vehicle data in follow-up diagnostic function step.Because vehicle data is peripheral hardware end
End obtains in real time and transmits to OBD devices, and the transmission therefore, it is possible to improve data between OBD devices and peripheral hardware terminal is imitated
Rate, it is to avoid because efficiency of transmission lowly cause OBD devices cannot the quick calling vehicle data, and then reduce showing for diagnosis efficiency
As.
Diagnostic module 30, for diagnosing the vehicle data, to obtain diagnostic result；
Diagnosis to the vehicle data, the mainly analysis to vehicle data judge.OBD devices possess has analysis to judge
Function, can diagnose to the vehicle data that peripheral hardware terminal is collected, and based on the vehicle data, detect and extract vehicle number
Attribute or feature according in, reductive analysis to obtain the vehicle data in diagnostic result.During complete diagnosis, examine
Disconnected module 30 act as main diagnosis role, but diagnostic module 30 analysis and diagnostic function rely on peripheral hardware terminal and gathered
Vehicle data.Therefore the type of the vehicle data of OBD device analysis diagnosis correspond to the type of peripheral hardware terminal, and peripheral hardware terminal is adopted
The vehicle data of collection is not quite similar, therefore the diagnostic result that OBD devices are finally obtained is not unique yet, by vehicle data
The impact of many factors such as data type, data parameter value.The diagnostic result is the vehicle got with current peripheral terminal
Carry out based on data diagnosing acquisition, can actual response go out corresponding truth.
Display module 40, for showing the diagnostic result.
The diagnostic result is a kind of data of reaction vehicle current attribute feature, and its effective object is user.Therefore need
The diagnostic result is shown with the state that user can perceive.Usually, the diagnostic result is from OBD devices
Diagnosis process, when diagnosis process terminates, display module 40 is directly displayed at diagnostic result on OBD devices.Typically with visual
The mode of change, it is possible to use the electronic display screen displays on OBD devices are perceived to user；Be equipped with OBD by being driven
Mechanical organ show etc. on default graduation apparatus.
In technical scheme, when link block 10 detects the USB connection signals of peripheral hardware terminal, OBD is filled
Put to be set up with peripheral hardware terminal and connect；Then the first acquisition module 20 obtains the vehicle data that peripheral hardware terminal connects transmission based on USB；
Then diagnostic module 30 diagnoses the vehicle data, to obtain diagnostic result；Last display module 40 shows the diagnostic result.
By the way, during OBD device expanding peripherals terminals, directly by peripheral hardware terminal by USB connections and OBD devices
Connection is set up, and then OBD devices diagnose vehicle using the vehicle data that peripheral hardware terminal is collected, without first by peripheral hardware terminal
Diagnosis terminal is connected to, then diagnosis terminal is connected on OBD devices.It is loaded down with trivial details that the present invention simplifies OBD device expanding peripherals terminals
Flow process, save OBD devices and peripheral hardware termination function connection medium, shorten diagnosis during consume time, improve peripheral hardware
The diagnosis efficiency of terminal, improves the experience of user.
Further, on the basis of OBD devices first embodiment of the present invention, OBD device second embodiments are proposed, it is described
Difference between second embodiment and first embodiment is that first acquisition module 20 is additionally operable to：
When detecting OBD devices and obtaining vehicle data and finish, send that the vehicle data is corresponding to finish receiving instruction
To peripheral hardware terminal.
OBD devices are received the vehicle data of peripheral hardware terminal transmission and can be transmitted in the form of packet, when peripheral hardware end
When vehicle data that end sends is more huge, OBD devices can be divided into and repeatedly receive the vehicle data.When OBD devices are received
After the packet of complete vehicle data, feed back to one, peripheral hardware terminal and finish receiving instruction, so that peripheral hardware terminal sends new car
Data stop sending vehicle data.OBD devices can send it is multiple finish receiving instruction, but it is described finish receiving instruction it is necessary
Correspond to the vehicle data that OBD devices get in different phase, i.e. OBD devices and often receive the data of certain section of vehicle data
Bao Shi, then send corresponding the finishing receiving of the packet and instruct to peripheral hardware terminal.Peripheral hardware terminal can be according to the reception for getting
Instruction is completed, is performed and is continued to send the function such as vehicle data or reacquisition vehicle data.
The present invention also provides a kind of peripheral hardware terminal, in peripheral hardware terminal first embodiment, with reference to Fig. 3, and the peripheral hardware terminal
Including：
First sending module 50, signal is connected to OBD devices for sending USB；
Peripheral hardware terminal can have different functions or type selecting according to reality scene demand in the present embodiment, including
But it is not limited to the various peripheral hardware terminals such as tire pressure receiver, universal meter, level detection instrument, oscillograph, exhaust analyzer.Different type
Peripheral hardware terminal can realize different functional requirements.Peripheral hardware terminal needs to be attached with OBD devices, and its implementation is
Using the USB joint in peripheral hardware terminal, the USB interface being connected on OBD devices, and the first sending module 50 is sent out to OBD devices
Send USB to connect signal, wait the confirmation of OBD devices and set up USB interface channels with peripheral hardware terminal and realize that USB is connected.
Second acquisition module 60, for obtaining vehicle data；
Peripheral hardware terminal can be attached with vehicle to be diagnosed, and the form that its connected mode is not fixed is built with OBD devices
After erecting USB connections, you can various functions attribute or the parameter on vehicle to be diagnosed is detected, so as to obtain corresponding vehicle
Data.For example, peripheral hardware terminal can realize that it connects with the connection of vehicle to be diagnosed by way of wired connection or wireless connection
Connect mode peripheral hardware terminal is connected with the USB of OBD devices and do not produce impact.The vehicle number that second acquisition module 60 gets
According to being one of critical data that follow-up function is performed, the final diagnostic result of OBD devices is directly influenced.Due to peripheral hardware terminal institute
The vehicle data for detecting there may be change, i.e., vehicle data occurs erratic undulating such as the change of time
Condition.To ensure that the result that follow-up diagnosis step is obtained is accurate reliable, the vehicle number accessed by the second acquisition module 60
Possess representational metastable data, i.e. vehicle data and can not be a fixed constant value according to being one, but
The variation tendency of the vehicle data must be ensured in a controllable preset range, to ensure the accuracy of vehicle data.
And the big I of preset range voluntarily arranges regulation, meet self-defining customization and require, you can ensure the institute of the second acquisition module 60
The vehicle data for getting has typical representative and accuracy.
Second sending module 70, for the vehicle data to be based on into USB linkup transmits to OBD devices.
After getting the vehicle data, peripheral hardware terminal needs to fill the vehicle data based on USB linkup transmits to OBD
Put, so that OBD devices are obtained, call or diagnosed.
Further, on the basis of peripheral hardware terminal first embodiment of the present invention, peripheral hardware terminal second embodiment, institute are proposed
The difference stated between second embodiment and first embodiment is, the vehicle data sent stage by stage in the form of packet to
OBD devices, second sending module 70 is additionally operable to：
When finishing receiving instruction of OBD devices transmission is received, the new corresponding packet of vehicle data is sent to OBD
The vehicle data of device.
OBD devices finish receiving instruction to peripheral hardware terminal as feedback information to send, it was demonstrated that the vehicle number for sending before
According to being received by OBD devices.Peripheral hardware terminal can constantly send the packet of new vehicle data.The information content of vehicle data
When excessively huge, the transmission of data is easily affected by extraneous factor, therefore, conveyed stage by stage in the form of packet, energy
Not the problems such as there is no loss of data, data outage or data perturbation in enough transmitting procedures of support vehicles data to greatest extent,
While Information Security is improved, the efficiency of transmission of data is also improved.
Meanwhile, the present invention provides a kind of OBD device expanding peripherals terminal methods based on OBD devices, is applied to OBD devices
With peripheral hardware terminal, with reference to Fig. 4, in the OBD device expanding peripherals terminal method first embodiments based on OBD devices, the base
Include in the OBD device expanding peripherals terminal methods of OBD devices：
Step S10, when the USB for detecting peripheral hardware terminal connects signal, by OBD devices and peripheral hardware terminal connection is set up；
OBD devices refer to onboard diagnostic system device, can collect the various functions attribute data of vehicle and based on institute
State the current situation of functional attributes data diagnosis vehicle.What USB was referred to is USB, is an external bus standard,
It is capable of being connected and communicate with for specification electronic equipment and external equipment, is a kind of international interfacing.USB interface is supported to set
Standby plug and play and warm connection function.USB interface channels connection distinct device can be set up using USB, is broken difference and is set
Physics cut-off between standby, realizes the transmission exchange of data between distinct device.
Expanding peripherals terminal needs that first the USB joint of peripheral hardware terminal is connected on the USB interface of OBD devices, works as peripheral hardware
The USB joint of terminal is connected on the interface of OBD devices, and OBD devices detect the USB connection signals of peripheral hardware terminal, now,
OBD devices set up USB interface channels by USB connections with peripheral hardware terminal, and with peripheral hardware terminal the data flows such as data, instruction are completed
Transmission, to realize the data exchange between OBD devices and peripheral hardware terminal.Connected using USB, can be with simple and direct rapidly by OBD
Device and peripheral hardware terminal are associated, so that OBD devices and peripheral hardware terminal rapidly can carry out functional diagnosis to vehicle
And detection.
Step S20, obtains the vehicle data that peripheral hardware terminal connects transmission based on USB；
When the vehicle data that peripheral hardware terminal is transmitted by USB linkup transmits is detected, OBD devices obtain the vehicle
Data, to call the vehicle data in follow-up diagnostic function step.Because vehicle data is that peripheral hardware terminal is obtained in real time
Take and transmit to OBD devices, therefore, it is possible to improve the efficiency of transmission of data between OBD devices and peripheral hardware terminal, it is to avoid
Because efficiency of transmission lowly cause OBD devices cannot the quick calling vehicle data, and then reduce the phenomenon of diagnosis efficiency.
Step S30, diagnoses the vehicle data, to obtain diagnostic result；
Diagnosis to the vehicle data, the mainly analysis to vehicle data judge.OBD devices possess has analysis to judge
Function, can diagnose to the vehicle data that peripheral hardware terminal is collected, and based on the vehicle data, detect and extract vehicle number
Attribute or feature according in, reductive analysis to obtain the vehicle data in diagnostic result.During complete diagnosis,
OBD devices act as main diagnosis role, but its analysis and diagnostic function rely on the vehicle data that peripheral hardware terminal is gathered.
Therefore the type of the vehicle data of OBD device analysis diagnosis correspond to the type of peripheral hardware terminal, the vehicle number of peripheral hardware terminal collection
According to being not quite similar, therefore the diagnostic result that OBD devices are finally obtained is not unique yet, data type by vehicle data,
The impact of many factors such as data parameter value.Based on the diagnostic result is the vehicle data got by current peripheral terminal
Carry out diagnosing acquisition, can actual response go out corresponding truth.
Step S40, shows the diagnostic result.
The diagnostic result is a kind of data of reaction vehicle current attribute feature, and its effective object is user.Therefore need
The diagnostic result is shown with the state that user can perceive.Usually, the diagnostic result is from OBD devices
Diagnosis process, when diagnosis process terminates, diagnostic result is directly displayed on OBD devices.Typically in visual mode, can be with
Perceived to user using the electronic display screen displays on OBD devices；The mechanical organ being equipped with OBD can also be passed through to drive pre-
If graduation apparatus on show etc..
In technical scheme, when the USB for detecting peripheral hardware terminal connects signal, by OBD devices and peripheral hardware end
Connection is set up at end；Then the vehicle data that peripheral hardware terminal connects transmission based on USB is obtained；Then the vehicle data is diagnosed, with
Obtain diagnostic result；Finally show the diagnostic result.By the way, during OBD device expanding peripherals terminals,
Directly peripheral hardware terminal is connected to be set up with OBD devices by USB and be connected, and then the car that OBD devices are collected using peripheral hardware terminal
Data diagnosis vehicle, without first peripheral hardware terminal being connected into diagnosis terminal, then is connected to OBD devices by diagnosis terminal
On.The present invention simplifies the loaded down with trivial details flow process of OBD device expanding peripherals terminals, saves the matchmaker of OBD devices and the connection of peripheral hardware termination function
It is situated between, shortens the time consumed during diagnosis, improve the diagnosis efficiency of peripheral hardware terminal, improves the experience of user.
Further, the basis in the present invention based on the OBD device expanding peripherals terminal method first embodiments of OBD devices
On, propose that, based on the OBD device expanding peripherals terminal method second embodiments of OBD devices, the second embodiment is real with first
The difference applied between example is that described acquisition the step of peripheral hardware terminal connects the vehicle data of transmission based on USB also includes：
When detecting OBD devices and obtaining vehicle data and finish, send that the vehicle data is corresponding to finish receiving instruction
To peripheral hardware terminal.
OBD devices are received the vehicle data of peripheral hardware terminal transmission and can be transmitted in the form of packet, when peripheral hardware end
When vehicle data that end sends is more huge, OBD devices can be divided into and repeatedly receive the vehicle data.When OBD devices are received
After the packet of complete vehicle data, feed back to one, peripheral hardware terminal and finish receiving instruction, so that peripheral hardware terminal sends new car
Data stop sending vehicle data.OBD devices can send it is multiple finish receiving instruction, but it is described finish receiving instruction it is necessary
Correspond to the vehicle data that OBD devices get in different phase, i.e. OBD devices and often receive the data of certain section of vehicle data
Bao Shi, then send corresponding the finishing receiving of the packet and instruct to peripheral hardware terminal.Peripheral hardware terminal can be according to the reception for getting
Instruction is completed, is performed and is continued to send the function such as vehicle data or reacquisition vehicle data.
The present invention a kind of OBD device expanding peripherals terminal methods based on peripheral hardware terminal are also provided, be applied to OBD devices and
Peripheral hardware terminal, it is described to be based in the OBD device expanding peripherals terminal method first embodiments based on peripheral hardware terminal with reference to Fig. 5
The OBD device expanding peripherals terminal methods of peripheral hardware terminal include：
Step S50, sends USB and connects signal to OBD devices；
Peripheral hardware terminal can have different functions or type selecting according to reality scene demand in the present embodiment, including
But it is not limited to the various peripheral hardware terminals such as tire pressure receiver, universal meter, level detection instrument, oscillograph, exhaust analyzer.Different type
Peripheral hardware terminal can realize different functional requirements.Peripheral hardware terminal needs to be attached with OBD devices, and its implementation is
Using the USB joint in peripheral hardware terminal, the USB interface being connected on OBD devices, USB connection signals are sent to OBD devices, etc.
Treat that OBD devices confirm and set up USB interface channels with peripheral hardware terminal to realize that USB is connected.
Step S60, obtains vehicle data；
Peripheral hardware terminal can be attached with vehicle to be diagnosed, and the form that its connected mode is not fixed is built with OBD devices
After erecting USB connections, you can various functions attribute or the parameter on vehicle to be diagnosed is detected, so as to obtain corresponding vehicle
Data.For example, peripheral hardware terminal can realize that it connects with the connection of vehicle to be diagnosed by way of wired connection or wireless connection
Connect mode peripheral hardware terminal is connected with the USB of OBD devices and do not produce impact.The vehicle data for getting is that follow-up function is held
One of capable critical data, directly influences the final diagnostic result of OBD devices.Due to the vehicle number detected by peripheral hardware terminal
There is erratic fluctuation situation such as the change of time according to there may be change, i.e. vehicle data.It is follow-up to ensure
The result that diagnosis algorithm is obtained is accurate reliable, and accessed vehicle data must be one and possess representational relative
Stable data, i.e. vehicle data can not be a fixed constant value, but must ensure the variation tendency of the vehicle data
In a controllable preset range, to ensure the accuracy of vehicle data.And the big I of preset range voluntarily arranges rule
It is fixed, meet self-defining customization and require, you can the vehicle data that guarantee gets has typical representative and accuracy.
Step S70, by the vehicle data based on USB linkup transmits to OBD devices.
After getting the vehicle data, peripheral hardware terminal needs to fill the vehicle data based on USB linkup transmits to OBD
Put, so that OBD devices are obtained, call or diagnosed.
Further, the base in the present invention based on the OBD device expanding peripherals terminal method first embodiments of peripheral hardware terminal
On plinth, propose based on the OBD device expanding peripherals terminal method second embodiments of peripheral hardware terminal, the second embodiment and first
Difference between embodiment is that the vehicle data is sent stage by stage to OBD devices in the form of packet, it is described will be described
The step of vehicle data is based on USB linkup transmits to OBD devices also includes：
When finishing receiving instruction of OBD devices transmission is received, the new corresponding packet of vehicle data is sent to OBD
The vehicle data of device.
OBD devices finish receiving instruction to peripheral hardware terminal as feedback information to send, it was demonstrated that the vehicle number for sending before
According to being received by OBD devices.Peripheral hardware terminal can constantly send the packet of new vehicle data.The information content of vehicle data
When excessively huge, the transmission of data is easily affected by extraneous factor, therefore, conveyed stage by stage in the form of packet, energy
Not the problems such as there is no loss of data, data outage or data perturbation in enough transmitting procedures of support vehicles data to greatest extent,
While Information Security is improved, the efficiency of transmission of data is also improved.
Additionally, for achieving the above object, the present invention also provides a kind of OBD devices expanding peripherals terminal system, with reference to Fig. 6 and
Fig. 7, in OBD device expanding peripherals terminal system first embodiments, the OBD devices expanding peripherals terminal system includes OBD
Device and peripheral hardware terminal, in the OBD devices expanding peripherals terminal system,
The OBD devices include：
Link block 10, for when the USB for detecting peripheral hardware terminal connects signal, OBD devices and peripheral hardware terminal being built
Vertical connection；
OBD devices refer to onboard diagnostic system device, can collect the various functions attribute data of vehicle and based on institute
State the current situation of functional attributes data diagnosis vehicle.What USB was referred to is USB, is an external bus standard,
It is capable of being connected and communicate with for specification electronic equipment and external equipment, is a kind of international interfacing.USB interface is supported to set
Standby plug and play and warm connection function.USB interface channels connection distinct device can be set up using USB, is broken difference and is set
Physics cut-off between standby, realizes the transmission exchange of data between distinct device.
Expanding peripherals terminal needs that first the USB joint of peripheral hardware terminal is connected on the USB interface of OBD devices, works as peripheral hardware
The USB joint of terminal is connected on the interface of OBD devices, and link block 10 can detect the USB connection signals of peripheral hardware terminal, this
When, link block 10 will set up USB interface channels by USB connections with peripheral hardware terminal, by the USB interface channels, connection
Module 10 can complete the transmission of the data flows such as data, instruction with peripheral hardware terminal, to realize between OBD devices and peripheral hardware terminal
Data exchange.Connected using USB, rapidly can be associated in OBD devices and peripheral hardware terminal with simple and direct, so that OBD dresses
Put rapidly can carry out functional diagnosis and detection with peripheral hardware terminal to vehicle.
First acquisition module 20, for obtaining the vehicle data that peripheral hardware terminal connects transmission based on USB；
When the vehicle data that peripheral hardware terminal is transmitted by USB linkup transmits is detected, the first acquisition module 20 is obtained
The vehicle data is taken, to call the vehicle data in follow-up diagnostic function step.Because vehicle data is peripheral hardware end
End obtains in real time and transmits to OBD devices, and the transmission therefore, it is possible to improve data between OBD devices and peripheral hardware terminal is imitated
Rate, it is to avoid because efficiency of transmission lowly cause OBD devices cannot the quick calling vehicle data, and then reduce showing for diagnosis efficiency
As.
Diagnostic module 30, for diagnosing the vehicle data, to obtain diagnostic result；
Diagnosis to the vehicle data, the mainly analysis to vehicle data judge.OBD devices possess has analysis to judge
Function, can diagnose to the vehicle data that peripheral hardware terminal is collected, and based on the vehicle data, detect and extract vehicle number
Attribute or feature according in, reductive analysis to obtain the vehicle data in diagnostic result.During complete diagnosis, examine
Disconnected module 30 act as main diagnosis role, but diagnostic module 30 analysis and diagnostic function rely on peripheral hardware terminal and gathered
Vehicle data.Therefore the type of the vehicle data of OBD device analysis diagnosis correspond to the type of peripheral hardware terminal, and peripheral hardware terminal is adopted
The vehicle data of collection is not quite similar, therefore the diagnostic result that OBD devices are finally obtained is not unique yet, by vehicle data
The impact of many factors such as data type, data parameter value.The diagnostic result is the vehicle got with current peripheral terminal
Carry out based on data diagnosing acquisition, can actual response go out corresponding truth.
Display module 40, for showing the diagnostic result；
The diagnostic result is a kind of data of reaction vehicle current attribute feature, and its effective object is user.Therefore need
The diagnostic result is shown with the state that user can perceive.Usually, the diagnostic result is from OBD devices
Diagnosis process, when diagnosis process terminates, display module 40 is directly displayed at diagnostic result on OBD devices.Typically with visual
The mode of change, it is possible to use the electronic display screen displays on OBD devices are perceived to user；Be equipped with OBD by being driven
Mechanical organ show etc. on default graduation apparatus.
The peripheral hardware terminal is used to send USB connection signals to OBD devices, for vehicle data to be sent out based on USB connections
Deliver to OBD devices.
In technical scheme, when link block 10 detects the USB connection signals of peripheral hardware terminal, OBD is filled
Put to be set up with peripheral hardware terminal and connect；Then the first acquisition module 20 obtains the vehicle data that peripheral hardware terminal connects transmission based on USB；
Then diagnostic module 30 diagnoses the vehicle data, to obtain diagnostic result；Last display module 40 shows the diagnostic result.
By the way, during OBD device expanding peripherals terminals, directly by peripheral hardware terminal by USB connections and OBD devices
Connection is set up, and then OBD devices diagnose vehicle using the vehicle data that peripheral hardware terminal is collected, without first by peripheral hardware terminal
Diagnosis terminal is connected to, then diagnosis terminal is connected on OBD devices.It is loaded down with trivial details that the present invention simplifies OBD device expanding peripherals terminals
Flow process, save OBD devices and peripheral hardware termination function connection medium, shorten diagnosis during consume time, improve peripheral hardware
The diagnosis efficiency of terminal, improves the experience of user.
Further, on the basis of OBD devices expanding peripherals terminal system first embodiment of the present invention, OBD dresses are proposed
Expanding peripherals terminal system second embodiment is put, with reference to Fig. 6 and Fig. 7, the area between the second embodiment and first embodiment
It is not, in the OBD devices expanding peripherals terminal system,
The peripheral hardware terminal includes：
First sending module 50, signal is connected to OBD devices for sending USB；
Peripheral hardware terminal can have different functions or type selecting according to reality scene demand in the present embodiment, including
But it is not limited to the various peripheral hardware terminals such as tire pressure receiver, universal meter, level detection instrument, oscillograph, exhaust analyzer.Different type
Peripheral hardware terminal can realize different functional requirements.Peripheral hardware terminal needs to be attached with OBD devices, and its implementation is
Using the USB joint in peripheral hardware terminal, the USB interface being connected on OBD devices, and the first sending module 50 is sent out to OBD devices
Send USB to connect signal, wait the confirmation of OBD devices and set up USB interface channels with peripheral hardware terminal and realize that USB is connected.
Second acquisition module 60, for obtaining vehicle data；
Peripheral hardware terminal can be attached with vehicle to be diagnosed, and the form that its connected mode is not fixed is built with OBD devices
After erecting USB connections, you can various functions attribute or the parameter on vehicle to be diagnosed is detected, so as to obtain corresponding vehicle
Data.For example, peripheral hardware terminal can realize that it connects with the connection of vehicle to be diagnosed by way of wired connection or wireless connection
Connect mode peripheral hardware terminal is connected with the USB of OBD devices and do not produce impact.The vehicle number that second acquisition module 60 gets
According to being one of critical data that follow-up function is performed, the final diagnostic result of OBD devices is directly influenced.Due to peripheral hardware terminal institute
The vehicle data for detecting there may be change, i.e., vehicle data occurs erratic undulating such as the change of time
Condition.To ensure that the result that follow-up diagnosis step is obtained is accurate reliable, the vehicle number accessed by the second acquisition module 60
Possess representational metastable data, i.e. vehicle data and can not be a fixed constant value according to being one, but
The variation tendency of the vehicle data must be ensured in a controllable preset range, to ensure the accuracy of vehicle data.
And the big I of preset range voluntarily arranges regulation, meet self-defining customization and require, you can ensure the institute of the second acquisition module 60
The vehicle data for getting has typical representative and accuracy.
Second sending module 70, for the vehicle data to be based on into USB linkup transmits to OBD devices；
After getting the vehicle data, peripheral hardware terminal needs to fill the vehicle data based on USB linkup transmits to OBD
Put, so that OBD devices are obtained, call or diagnosed.
The OBD devices are for receiving the USB connection signals of the first sending module transmission, for receiving the second sending module
Vehicle data based on USB linkup transmits.
It should be noted that herein, term " including ", "comprising" or its any other variant are intended to non-row
His property is included, so that a series of process, method, article or device including key elements not only include those key elements, and
And also include other key elements being not expressly set out, or also include for this process, method, article or device institute inherently
Key element.In the absence of more restrictions, the key element for being limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
Also there is other identical element in the process of key element, method, article or device.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on such understanding, technical scheme is substantially done to prior art in other words
Going out the part of contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are used so that a station terminal equipment (can be mobile phone, computer takes
Business device, air-conditioner, or network equipment etc.) perform method described in each embodiment of the invention.
The preferred embodiments of the present invention are these are only, the scope of the claims of the present invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of OBD devices, it is characterised in that the OBD devices include：
Link block, for when the USB for detecting peripheral hardware terminal connects signal, OBD devices and peripheral hardware terminal being set up into connection；
First acquisition module, for obtaining the vehicle data that peripheral hardware terminal connects transmission based on USB；
Diagnostic module, for diagnosing the vehicle data, to obtain diagnostic result；
Display module, for showing the diagnostic result.
2. OBD devices as claimed in claim 1, it is characterised in that first acquisition module is additionally operable to：
When detecting OBD devices and obtaining vehicle data and finish, send that the vehicle data is corresponding to finish receiving instruction to outer
If terminal.
3. a kind of peripheral hardware terminal, it is characterised in that the peripheral hardware terminal includes：
First sending module, signal is connected to OBD devices for sending USB；
Second acquisition module, for obtaining vehicle data；
Second sending module, for the vehicle data to be based on into USB linkup transmits to OBD devices.
4. peripheral hardware terminal as claimed in claim 3, it is characterised in that the vehicle data is sent out stage by stage in the form of packet
OBD devices are delivered to, second sending module is additionally operable to：
When finishing receiving instruction of OBD devices transmission is received, the new corresponding packet of vehicle data is sent to OBD devices
Vehicle data.
5. a kind of OBD device expanding peripherals terminal methods based on OBD devices, it is characterised in that be applied to OBD devices and peripheral hardware
Terminal, the OBD device expanding peripherals terminal methods based on OBD devices include：
When the USB for detecting peripheral hardware terminal connects signal, OBD devices and peripheral hardware terminal are set up into connection；
Obtain the vehicle data that peripheral hardware terminal connects transmission based on USB；
The vehicle data is diagnosed, to obtain diagnostic result；
Show the diagnostic result.
6. the OBD device expanding peripherals terminal methods of OBD devices are based on as claimed in claim 5, it is characterised in that described to obtain
Taking the step of peripheral hardware terminal connects the vehicle data of transmission based on USB also includes：
When detecting OBD devices and obtaining vehicle data and finish, send that the vehicle data is corresponding to finish receiving instruction to outer
If terminal.
7. a kind of OBD device expanding peripherals terminal methods based on peripheral hardware terminal, it is characterised in that be applied to OBD devices and outer
If terminal, the OBD device expanding peripherals terminal methods based on peripheral hardware terminal include：
Send USB and connect signal to OBD devices；
Obtain vehicle data；
By the vehicle data based on USB linkup transmits to OBD devices.
8. the OBD device expanding peripherals terminal methods of peripheral hardware terminal are based on as claimed in claim 7, it is characterised in that described
Vehicle data is sent stage by stage to OBD devices in the form of packet, described that the vehicle data is based on into USB linkup transmits extremely
The step of OBD devices, also includes：
When finishing receiving instruction of OBD devices transmission is received, the new corresponding packet of vehicle data is sent to OBD devices
Vehicle data.
9. a kind of OBD devices expanding peripherals terminal system, it is characterised in that the OBD devices expanding peripherals terminal system includes
OBD devices and peripheral hardware terminal, in the OBD devices expanding peripherals terminal system,
The OBD devices include：
Link block, for when the USB for detecting peripheral hardware terminal connects signal, OBD devices and peripheral hardware terminal being set up into connection；
First acquisition module, for obtaining the vehicle data that peripheral hardware terminal connects transmission based on USB；
Diagnostic module, for diagnosing the vehicle data, to obtain diagnostic result；
Display module, for showing the diagnostic result；
The peripheral hardware terminal is used to send USB connection signals to OBD devices, for vehicle data to be based on into USB linkup transmits extremely
OBD devices.
10. OBD devices expanding peripherals terminal system as claimed in claim 9, it is characterised in that the OBD devices extension is outer
If in terminal system,
The peripheral hardware terminal includes：
First sending module, signal is connected to OBD devices for sending USB；
Second acquisition module, for obtaining vehicle data；
Second sending module, for the vehicle data to be based on into USB linkup transmits to OBD devices；
The OBD devices are used to receive the USB connection signals of the first sending module transmission, are based on for receiving the second sending module
The vehicle data of USB linkup transmits.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611195332.5A CN106652083A (en) | 2016-12-21 | 2016-12-21 | OBD (On-Board Diagnostic) device, peripheral terminal and OBD peripheral terminal expansion method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611195332.5A CN106652083A (en) | 2016-12-21 | 2016-12-21 | OBD (On-Board Diagnostic) device, peripheral terminal and OBD peripheral terminal expansion method and system |
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| CN106652083A true CN106652083A (en) | 2017-05-10 |
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| CN201611195332.5A Pending CN106652083A (en) | 2016-12-21 | 2016-12-21 | OBD (On-Board Diagnostic) device, peripheral terminal and OBD peripheral terminal expansion method and system |
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