CN208873044U - Automotive diagnostic installation and automotive diagnostic system - Google Patents
Automotive diagnostic installation and automotive diagnostic system Download PDFInfo
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- CN208873044U CN208873044U CN201821367916.0U CN201821367916U CN208873044U CN 208873044 U CN208873044 U CN 208873044U CN 201821367916 U CN201821367916 U CN 201821367916U CN 208873044 U CN208873044 U CN 208873044U
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Abstract
The utility model embodiment is related to automobile technical field, discloses a kind of automotive diagnostic installation and automotive diagnostic system.Wherein, the automotive diagnostic installation includes at least two wireless communication modules, wherein the first wireless communication module at least two wireless communication module is used to be communicatively coupled with diagnosis slave computer；The second wireless communication module at least two communication module is for connecting wireless network, so that the automotive diagnostic installation shares diagnostic message by the wireless network.It, can be convenient for the automobile failure diagnosis problem of the various complexity of reply, to better meet the needs of vehicle diagnosis by the automotive diagnostic installation.
Description
Technical field
The utility model embodiment is related to automobile technical field more particularly to a kind of automotive diagnostic installation and vehicle diagnosis system
System.
Background technique
Automotive diagnostic installation (diagnosis host, diagnosis plate etc.) is set as a profession specifically for automotive check
It is standby, it is mainly used for being detected, monitored the generation of vehicle failure to the performance of automobile and failure in real time, finds out trouble location and original
Cause carries out fault cues and record fault message etc..It is at present usually to be connect by automotive diagnostic installation with diagnosis slave computer,
Diagnosis slave computer realizes the detection to the failure of automobile with automobile connection again.
During realizing the utility model, at least there are the following problems in the related technology for inventor's discovery: currently, for vapour
For vehicle diagnostic device, the diagnostic software for being typically only capable to rely in equipment of itself diagnoses automobile, and as automobile is automatic
Change degree is higher and higher, structure becomes increasingly complex, so that the failure of vehicle also becomes increasingly complex, and can only rely on and itself set
The automotive diagnostic installation that diagnostic software in standby carries out vehicle diagnosis is not easy to cope with the automobile failure diagnosis problem of various complexity,
So that its needs for not being well positioned to meet vehicle diagnosis.
Utility model content
The application utility model embodiment provides a kind of automotive diagnostic installation and automotive diagnostic system, can be various convenient for coping with
Complicated automobile failure diagnosis problem, to better meet the needs of vehicle diagnosis.
The utility model embodiment discloses following technical solution:
In a first aspect, the utility model embodiment provides a kind of automotive diagnostic installation, including at least two wireless communications
Module, wherein
The first wireless communication module at least two wireless communication module is used to be communicated with diagnosis slave computer
Connection；
The second wireless communication module at least two communication module is for connecting wireless network, so that the automobile
Diagnostic device shares diagnostic message by the wireless network.
In some embodiments, wireless communication technique used by second wireless communication module and described first wireless
Wireless communication technique used by communication module is identical.
In some embodiments, the equipment further include:
Controller, the controller are connect at least two wireless communication module respectively；
The controller is used to control one or more wireless communication modules at least two wireless communication module
Work.
In some embodiments, the equipment further include:
Input unit, the input unit are connect with the controller；
The input unit is used to receive the input instruction of user, and input instruction is transmitted to the controller；
The controller controls the work of one or more wireless communication modules at least two wireless communication module,
Include:
It is instructed according to the input, controls one or more radio communication molds at least two wireless communication module
Block work.
In some embodiments, the controller controls one or more nothings at least two wireless communication module
Line communication module work, comprising: open first wireless communication module, carry out communication link with the diagnosis slave computer to realize
It connects；
The controller is also used to receive the number of the diagnosis slave computer transmission by first wireless communication module
According to.
In some embodiments, the controller controls one or more nothings at least two wireless communication module
The work of line communication module, comprising:
According to the data, second wireless communication module is opened, to control the second wireless communication module work.
In some embodiments, the equipment further include:
Display, the display are connect with the controller；
The display is used to show the data of the controller transmission；
The input unit is also used to receive the communication instruction that the user is directed to data input, and by the communication
Instruction is transmitted to the controller；
The controller opens second wireless communication module, according to the data to control second channel radio
Believe module work, comprising:
According to the communication instruction, second wireless communication module is opened.
In some embodiments, the equipment further include: power module, one end of the power module and the controller
Connection, the other end of the power module and at least two wireless communication module, the power module are used for for described in extremely
Few two wireless communication module power supplies；
The controller controls the work of one or more wireless communication modules at least two wireless communication module,
Include:
The controller is by controlling the power module, so that the power module is at least two channel radio
Believe one or more wireless communication module power supplies in module, with control one at least two wireless communication module or
Multiple wireless communication module work.
In some embodiments, the power module includes: the first power supply unit and the second power supply unit；
First power supply unit includes: the first driving circuit, the first relay and the first battery, the first driving electricity
Road is connect with the coil of the controller and first relay respectively, and the switch contact of first relay is connected to institute
It states between the first battery and first wireless communication module；
Second power supply unit includes: the second driving circuit, the second relay, the second battery, the second driving electricity
Road is connect with the coil of the controller and second relay respectively, and the switch contact of second relay is connected to institute
It states between the second battery and second wireless communication module；
When the controller is by controlling first driving circuit, so that first relay is in closed state
When, so that first battery is first wireless communication module power supply；When the controller is driven by controlling described second
Dynamic circuit, so that second relay is in closed state, so that second battery is second radio communication mold
Block power supply.
In some embodiments, the controller opens second wireless communication module according to the data, with control
The second wireless communication module work, comprising:
The data are handled, during processing, open second wireless communication module.
In some embodiments, the controller is also used to after opening second wireless communication module, by processing
Data are sent to wireless network by second wireless communication module；Alternatively, being obtained by second wireless communication module
Network records data relevant to the data, and according to the data and the Network records data, obtain diagnostic result.
In some embodiments, the controller is also used to wireless to work at least two wireless communication module
Communication module allocation of communication channels, so that the wireless communication module of the work connects according to the communication channel of distribution and PERCOM peripheral communication
It connects.
In some embodiments, the corresponding communication of each wireless communication module at least two wireless communication module
Antenna.
Second aspect, the utility model embodiment additionally provide a kind of automotive diagnostic system, comprising: automotive diagnostic installation and
Slave computer is diagnosed, the automotive diagnostic installation is automotive diagnostic installation as described above, and the automotive diagnostic installation passes through described
First wireless communication module and the diagnosis slave computer communicate to connect.
The utility model embodiment automotive diagnostic installation is led to by the first wireless communication module and diagnosis slave computer
While letter connection, wireless network is connected by the second wireless communication module, so that being diagnosed treating diagnostic device
During, the wireless network can be passed through in real time, various diagnosis letters are obtained from the other equipment for be connected to wireless network
The status information current to diagnostic device is sent to the other equipment for being connected to wireless network by breath, to realize diagnostic message
It is shared, so that automotive diagnostic installation can cope with the automobile failure diagnosis problem of various complexity, improve fitting for automotive diagnostic installation
With property, to better meet the needs of vehicle diagnosis.
Detailed description of the invention
Fig. 1 is the schematic diagram of the application scenarios of automotive diagnostic system provided by the embodiment of the utility model；
Fig. 2 is the schematic diagram of automotive diagnostic system provided by the embodiment of the utility model；
Fig. 3 is a kind of schematic diagram of automotive diagnostic installation provided by the embodiment of the utility model；
Fig. 4 is that the first wireless communication module and the second wireless communication module provided by the embodiment of the utility model are all made of
The schematic diagram of Wi-Fi technology；
Fig. 5 is the schematic diagram of another automotive diagnostic installation provided by the embodiment of the utility model；
Fig. 6 is the electricity that a kind of power module provided by the embodiment of the utility model is at least two wireless communication module power supplies
Lu Tu；
Fig. 7 is a kind of flow diagram of the communication means of automotive diagnostic installation provided by the embodiment of the utility model；
Fig. 8 is the flow diagram of the communication means of another automotive diagnostic installation provided by the embodiment of the utility model；
Fig. 9 is the flow diagram of the communication means of another automotive diagnostic installation provided by the embodiment of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Description, it is clear that the embodiments are a part of the embodiments of the present invention rather than all of the embodiments.Based on this reality
It is obtained by those of ordinary skill in the art without making creative efforts every other with the embodiment in novel
Embodiment is fallen within the protection scope of the utility model.
As long as in addition, technical characteristic involved in the various embodiments of the present invention described below each other it
Between do not constitute conflict and can be combined with each other.
Fig. 1 is the application scenarios of automotive diagnostic system provided by the embodiment of the utility model.Include: in the application scenarios to
Diagnostic device 100 and automotive diagnostic system 200.Wherein, which is connected with to diagnostic device 100.
The automotive diagnostic system 200 is for waiting for that diagnostic device 100 detects to this, for example, automotive diagnostic system 200 is right
This waits for that the performance of diagnostic device 100 and failure are detected, such as sensing of the diagnosis to the electronic control system of diagnostic device 100
Whether the work of device, actuator state and electronic control unit ECU (Electronic Control Unit) is normal, so as to
Guarantee the safety for waiting for that diagnostic device 100 uses.
Wherein, should to diagnostic device 100 be detected object, can be any suitable vehicles or walking-replacing tool,
Such as automobile, electric vehicle.This waits for that the quantity of diagnostic device 100 can be to be one or more, when this waits for that diagnostic device 100 is
When multiple, automotive diagnostic system 200 can be attached with to each in diagnostic device 100 to diagnostic device 100, with right respectively
It is each to be diagnosed to diagnostic device 100.
Fig. 2 is automotive diagnostic system provided by the embodiment of the utility model, which includes: that automobile is examined
Disconnected equipment 21 and diagnosis slave computer 22.Wherein, automotive diagnostic installation 21 and diagnosis slave computer 22 are communicatively coupled.Pass through automobile
Diagnostic device 21 is connect with diagnosis slave computer 22, and diagnosis slave computer 22 is connect again to realize and treat diagnosis with to diagnostic device 100
The detection of the failure of equipment 100.
For example, diagnosing slave computer 22 and to diagnostic device during treating the progress fault detection of diagnostic device 100
It is connected between 100 by diagnosis interface such as OBD (On-Board Diagnostic) interface, to read to diagnostic device 100
The status information of error code or acquisition to diagnostic device 100 in ECU, wherein the error code refers to inside ECU for every kind of event
Hinder a kind of coding of definition.Status information to diagnostic device 100 includes the state letter of each system to diagnostic device 100
Breath, such as status information, the status information of tire system of engine system.
Error code is obtained in diagnosis slave computer 22 and by the error code after the status information of diagnostic device 100 and wait diagnose
The status information of equipment 100 is forwarded to automotive diagnostic installation 21.Automotive diagnostic installation 21 can lead to after receiving the error code
Cross diagnostic software agreement Packet analyzing error code, to obtain diagnostic result information, and by display show diagnostic result information and
To the status information of diagnostic device 100, to find out the position broken down and reason and removing error code etc., to realize
Detection to diagnostic device 100 is treated.
Referring to Fig. 3, the schematic diagram of the automotive diagnostic installation for automotive diagnostic system provided by the embodiment of the utility model.
Below with reference to Fig. 3, automotive diagnostic installation is specifically described.
Automotive diagnostic installation 21 includes: at least two wireless communication modules.Wherein, at least two wireless communication modules packet
It includes: the first wireless communication module 211 and the second wireless communication module 212.
Wherein, the first wireless communication module 211 at least two wireless communication module is used for and diagnosis slave computer
22 are communicatively coupled, to realize and diagnose the communication of slave computer 22, for example, receiving the number that the diagnosis slave computer 22 transmits
According to etc..
The second wireless communication module 212 at least two wireless communication module is used to connect wireless network, so that
The automotive diagnostic installation 21 shares diagnostic message by the wireless network.
Wherein, the mode for sharing diagnostic message includes: the diagnosis letter for the other equipment that access is connected in the wireless network
Breath, or the diagnostic message in the automotive diagnostic installation 21 is sent to by the wireless network and is connected in the wireless network
Other equipment.
The diagnostic message can be any information relevant to vehicle diagnosis, for example, the historical data of vehicle diagnosis, automobile
The error code that diagnostic device 21 receives or the status information to diagnostic device 100, automotive diagnostic installation 21 are receiving the event
By obtaining diagnostic result information etc. after diagnostic software agreement Packet analyzing error code after barrier code.The transport vehicle of diagnostic message can be with
For various suitable carriers, for example, the transport vehicle of diagnostic message can be text, image, sound, video etc..
Due to as automotive automation degree is higher and higher, structure becomes increasingly complex, so that the failure of vehicle is also increasingly
It is each to be not easy to reply if the diagnostic software that automotive diagnostic installation 21 only relies on itself treats diagnostic device 100 and diagnosed for complexity
The complicated automobile failure diagnosis problem of kind, is not well positioned to meet the needs of vehicle diagnosis.For example, being examined at present generally for automobile
For disconnected equipment, when the insurmountable automobile failure diagnosis problem of the diagnostic software for encountering dependence itself, need terminal current
Vehicle diagnosis, be then linked into network again, obtain relevant diagnostic message by network, which is not easy to cope with various multiple
Miscellaneous automobile failure diagnosis problem.
Therefore, the vapour in order to preferably cope with the automobile failure diagnosis problems of various complexity, in the utility model embodiment
Vehicle diagnostic device 21 by the first wireless communication module 211 with diagnosis slave computer 22 while being communicatively coupled, by the
Two wireless communication modules 212 connect wireless network, can be with so that during treating diagnostic device 100 and being diagnosed
In real time by the wireless network, various diagnostic messages are obtained from the other equipment for be connected to wireless network or will be set wait diagnose
Standby 100 current status informations are sent to the other equipment for being connected to wireless network, thus realize the shared of diagnostic message, so as to
Automotive diagnostic installation 21 can cope with the automobile failure diagnosis problem of various complexity, improve the applicability of automotive diagnostic installation 21.
For example, when the vehicle failure problem to diagnostic device 100 that automotive diagnostic installation 21 encounters is more than the vehicle diagnosis
When within the scope of 21 diagnosis capability of equipment, the other equipment of wireless network can be connected to by accessing, such as expert diagnosis equipment
It can be to the diagnostic message that the vehicle failure is diagnosed, to realize the fault diagnosis for treating diagnostic device 100 with acquisition.
In some implementations, wireless communication technique used by second wireless communication module 212 and described the
Wireless communication technique used by one wireless communication module 211 is identical.The wireless communication technique includes but is not limited to: 2G/3G bee
Nest, 802.15.4,6LoWPAN addressed nodes, bluetooth, LoRa, LTE Cat 0/1, narrowband Internet of Things (NB-IoT), SIGFOX,
Weightless, Wi-Fi, WirelessHART, ZigBee, Z-Wave etc..
Wherein it is possible to as needed or external environment information determines first wireless communication module 211 and described the
Wireless communication technique used by two wireless communication modules 212, as long as guaranteeing first wireless communication module 211 and described the
Wireless communication technique used by two wireless communication modules 212 is identical.For example, first wireless communication module 211 is adopted
With Wi-Fi technology, second wireless communication module 212 also includes first using Wi-Fi technology namely automotive diagnostic installation 21
WiFi module and the second WiFi module, the first WiFi module are used to be communicatively coupled with diagnosis slave computer 22, the 2nd WiFi mould
Block is such as connect to access internet with wireless router by the second WiFi module, can specifically be joined for connecting wireless network
Read Fig. 4.
If the wireless communication technique as used by second wireless communication module 212 and first radio communication mold
When wireless communication technique used by block 211 is not identical, for example, channel radio used by first wireless communication module 211
Letter technology is WiFi technology namely the first wireless communication module 211 is WiFi module, 212 institute of the second wireless communication module
The wireless communication technique used is bluetooth module for Bluetooth technology namely the second wireless communication module 212, is treating diagnostic device
During 100 are detected, since bluetooth module is easy to be shorter by external interference and transmission range, can automobile be examined
Disconnected equipment 21 has some setbacks with the communication for diagnosing slave computer 22, to influence entire vehicle diagnosis, or even causes to obtain examining for mistake
The case where disconnected result.
And in the utility model implementation, pass through wireless communication technique used by second wireless communication module 212
It is identical as wireless communication technique used by first wireless communication module 211, automotive diagnostic installation 21 can be improved and examine
The smoothness of the communication of disconnected slave computer 22.For example, automotive diagnostic installation 21 is passing through the first WiFi module and diagnosis slave computer 22
While communication, wireless network is connected by the second WiFi module.
In some implementations, in order to enhance signal when wireless communication, at least two wireless communication module
The corresponding communication antenna 214 of each wireless communication module.For example, the first wireless communication module 211 corresponds to a communication antenna
214, the second wireless communication module 212 also corresponds to a communication antenna 214.
Fig. 5 is please referred to, the automotive diagnostic installation 21 further includes controller 215, input unit 216 and display 217.
As shown in figure 5, the controller 215 respectively at least two wireless communication module, input unit 216 and display 217
Connection.
Wherein, which can be any suitable device with certain logical operation and processing capacity, such as control
Unit (Control Unit, CU) micro-control unit (Microcontroller Unit, MCU) processed or single-chip microcontroller etc..The control
Device 215 is connect with the first wireless communication module 211 and the second wireless communication module 212 respectively.The controller 215 is for controlling institute
State one or more wireless communication modules work at least two wireless communication modules.For example, the controller 215 is for controlling
First wireless communication module 211 and the second wireless communication module 212 work at the same time, or the first wireless communication module 211 of control
And second any one wireless communication module work in wireless communication module 212.
In some implementations, due to that can exist between each other certain when two wireless communication modules work at the same time
Interference, in order to avoid mutual interference, the controller 215 is also used to as at least two wireless communication module
The wireless communication module allocation of communication channels of work so that the wireless communication module of the work according to the communication channel of distribution with
PERCOM peripheral communication connection.Wherein, controller 215 is different from outside this itself, for example, can be wireless network outside this
Network, server, diagnosis slave computer etc..
The input unit 216 can be any suitable input equipment, as keyboard, mouse, camera, scanner, light pen,
Touch screen, key etc..The input unit 216 be used for receive user input instruction, and due to the input unit 216 with it is described
Controller 215 connects, which can be instructed after the input instruction for receiving user and be sent to controller by input unit 216
215, so that controller 215 controls the work of at least two wireless communication module.
Specifically, the controller 215 controls one or more channel radios at least two wireless communication module
Believe module work, comprising: instruct according to the input, control one or more nothings at least two wireless communication module
The work of line communication module.
One or more channel radios at least two wireless communication module are controlled by the input instruction of user
Believe module work, can determine one or more nothings at least two wireless communication module in order to according to user's needs
The work of line communication module.For example, can input when user only wants to the work of the first wireless communication module 211 for characterizing the
The input instruction of one wireless communication module 211 work, controller 215 are instructed based on the input, can control the first wireless communication
Module 211 works.
In some implementations, the controller 215 control one at least two wireless communication module or
Multiple wireless communication module work, comprising: first wireless communication module 211 is opened, to realize and the diagnosis slave computer
22 are communicatively coupled.
After controller 215 and the diagnosis slave computer 22 are communicatively coupled, the controller 215 is also used to pass through institute
The first wireless communication module 211 is stated, the data that the diagnosis slave computer 22 transmits are received.Wherein, the data may come to
Diagnostic device 100, for example, the data can for diagnosis slave computer 22 acquired to diagnostic device 100 data (such as to
Error code in the ECU of diagnostic device 100), and controller 215 is sent the data to, so that controller 215 can pass through institute
It states the first wireless communication module 211 and receives the data.
In some embodiments, which can also originate from diagnosis slave computer 22.For example, when diagnosis slave computer 22 is vehicle
Communication interface (Vehicle Communication Interface, VCI) or specific purpose tool (TPMS specific purpose tool or other
Specific purpose tool) when, the status information to diagnostic device 100 which can detect for diagnosis slave computer 22, such as tire pressure shape
State information (including tire pressure temperature information, pressure information etc.).
Further, it is wireless to control one or more of described at least two wireless communication module for the controller 215
Communication module work, comprising: according to the data, second wireless communication module 212 is opened, it is wireless to control described second
Communication module 212 works.
For example, controller 215 judges that failure corresponding to the data is the diagnostic software by itself by the data
When cannot achieve diagnosis, controller 215, which can control, opens second wireless communication module 212, to control described the
Two wireless communication modules 212 work, so that automotive diagnostic installation 21 can connect wireless network, from being connected to the wireless network
The letter that may be implemented to diagnose failure corresponding to the data is obtained in other equipment (such as expert diagnosis terminal) in network
Breath, so that the diagnosis to the failure is realized, so that automotive diagnostic installation 21 can preferably cope with the vehicle failure of various complexity.
In some implementations, which is also used to receive the user for the logical of data input
Letter instruction, and the communication instruction is transmitted to the controller 215.After the controller 215 receives the communication instruction,
The controller 215 opens second wireless communication module 212 according to the data, to control second wireless communication
Module 212 works, comprising: according to the communication instruction, opens second wireless communication module 212.
Wherein, which for characterizing automotive diagnostic installation 21 obtained from the other equipment for be connected to wireless network
It takes relevant diagnostic message to be still transmitted to the diagnostic message of the automotive diagnostic installation 21 to be connected to other of wireless network and set
It is standby.According to communication instruction, can be chosen whether in order to user to other equipment obtain diagnostic message or transmission diagnostic message to its
His equipment.
Since the data that the received diagnosis slave computer 22 of controller 215 transmits may be without the original of any processing
Data, readable and sharing be not strong, in some instances it may even be possible to be the unrecognized number of other equipment being connected in the wireless network
According to, and the problem of the data may relate to safety, therefore, in order to improve the readability of data or the safety of data
Property, it when sharing the data, needs to handle the data, for example, by the data with text, image, sound, video etc.
Form transmission.Specifically, the controller 215 opens second wireless communication module 212 according to the data, with control
Second wireless communication module 212 works, comprising: handles the data, during processing, opens described second
Wireless communication module 212.
The controller 215 is also used to after opening second wireless communication module 212, and the data of processing are passed through institute
It states the second wireless communication module 212 and is sent to wireless network；Alternatively, passing through second wireless communication module 212 acquisition and institute
The relevant Network records data of data are stated, and according to the data and the Network records data, obtain diagnostic result.For example,
After opening second wireless communication module 212, if the controller 215 of automotive diagnostic installation 21 needs to network treated
Data are sent, then can be by the way that the second wireless communication module 212 will treated that data are sent to wireless network, to send out
It send to the equipment of the connection and the wireless network such as expert terminals or server；Alternatively, the controller 215 of automotive diagnostic installation 21
It needs to network and obtains information, such as idagnostic logout, it, then can be by the to obtain diagnostic result information etc. in conjunction with idagnostic logout
Two wireless communication modules 212 obtain the idagnostic logout to obtain diagnostic result information in conjunction with idagnostic logout.
The display 217 is a kind of human interface device, can be any suitable display device, such as display screen, display
Panel etc..The display 217 is connect with controller 215, the data transmitted for showing the controller 215.For example, will be described
The information such as data literal that controller 215 transmits, number, symbol or intuitive image, video show, more so as to user
Get information about the process of diagnosis.Specifically, providing human-computer interaction interface by the display 217, user passes through input unit
216 operate the interface to select diagnostic function, and the diagnostic function that user selects is converted into diagnostic instruction by diagnostic software, and should
Diagnostic instruction is sent by diagnosis slave computer 22 to diagnostic device 100.This is obtained according to the diagnostic instruction to diagnostic device 100 to examine
Severed finger enables corresponding detection data, and the detection data is sent to automotive diagnostic installation 21 by diagnosing slave computer 22.Vapour
The detection data that the diagnostic software of vehicle diagnostic device 21 treats the feedback of diagnostic device 100 is parsed, and obtains diagnostic result, and will
Diagnostic result is shown in display 217 to user.
It should be noted that in some embodiments, the input unit 216, display 217 are in different embodiments
In, it can not be the necessary component part of automotive diagnostic installation 21, namely in some other embodiments, the input unit
At least one of 216 and display 217 are dispensed.For example, in some other embodiments, automotive diagnostic installation 21
It may include input unit 216.Also, it is above-mentioned to each component part in automotive diagnostic installation 21 and automotive diagnostic system 200
Name be only purpose for mark, be not construed as the limitation to the embodiments of the present invention.In addition, above-mentioned to vapour
The quantity of each component part can be one or more in vehicle diagnostic device 21 and automotive diagnostic system 200, remove and especially say
Except bright, which can be unrestricted in the utility model implementation.
In addition, automotive diagnostic installation 21 further includes having memory (not shown), which connect with controller 215.Its
In, memory can be connect with controller 215 by bus or other modes.
Memory as a kind of non-volatile computer readable storage medium storing program for executing, can be used for storing non-volatile software program,
Non-volatile computer executable program and module.Controller 215 is stored in memory non-volatile soft by running
Part program, instruction and module, so that function of the controller in the utility model embodiment is realized, at least two as described in control
One or more wireless communication modules work in a wireless communication module etc..
Memory may include storing program area and storage data area, wherein storing program area can storage program area, extremely
Application program required for a few function；Storage data area, which can be stored, uses created data etc. according to electronic equipment.This
Outside, memory may include high-speed random access memory, can also include nonvolatile memory, for example, at least a disk
Memory device, flush memory device or other non-volatile solid state memory parts.In some embodiments, it includes phase that memory is optional
The memory remotely located for processor, these remote memories can pass through wireless network connection to automotive diagnostic installation
21.The embodiment of the wireless network includes but is not limited to local area network, Metropolitan Area Network (MAN) and wide area network and combinations thereof.
In some implementations, above-mentioned memory can also be a component part namely controller for controller 215
215 include that memory or the memory are integrated in controller 215.
Optionally, which further includes power module.Wherein, one end of the power module and the control
Device 215 processed connects, and the other end of the power module and at least two wireless communication module, the power module is for being
At least two wireless communication module power supply.
Specifically, the controller 215 controls one or more channel radios at least two wireless communication module
Believe module work, comprising: the controller 215 by controlling the power module so that the power module be it is described extremely
One or more wireless communication module power supplies in few two wireless communication modules, to control at least two radio communication mold
One or more wireless communication modules work in block.
Fig. 6 is please referred to, is at least two wireless communication modules for a kind of power module provided by the embodiment of the utility model
The circuit diagram of power supply.Wherein, the power module includes: the first power supply unit and the second power supply unit.
First power supply unit includes: the first driving circuit, the first relay S1 and the first battery, first driving
Circuit is connect with the coil of the controller 215 and the first relay S1 respectively, the switch touching of the first relay S1
Point is connected between first battery and first wireless communication module 211.
Wherein, the first driving circuit may include first resistor R1 and the first NPN pipe T1.One end of first resistor R1 and control
Device 215 processed connects, and the first resistor R1 other end is connect with the base stage (pole B) of the first NPN pipe T1, the emitter of the first NPN pipe T1
(pole E) is grounded GND, and the collector (pole C) of the first NPN pipe T1 is connect with the coil of the first relay S1.
Second power supply unit includes: the second driving circuit, the second relay S2, the second battery, second driving
Circuit is connect with the coil of the controller 215 and the second relay S2 respectively, the switch touching of the second relay S2
Point is connected between second battery and second wireless communication module 212.
Wherein, the second driving circuit may include for resistance R2 and the 2nd NPN pipe T2.One end of second resistance R2 and control
Device 215 processed connects, and the second resistance R2 other end is connect with the base stage (pole B) of the 2nd NPN pipe T2, the emitter of the 2nd NPN pipe T2
(pole E) is grounded GND, and the collector (pole C) of the 2nd NPN pipe T2 is connect with the coil of the second relay S2.
Optionally, power module further includes the first sustained diode 1 and the second sustained diode 2.First afterflow two
Pole pipe D1 is connect with the first relay S1, for protecting the first relay S1；Second sustained diode 2 and the second relay
S2 connection, for protecting the second relay S2.
Power module is that the principle of at least two wireless communication module power supplies is as follows:
When the controller 215 is by controlling first driving circuit, so that the first relay S1 is being closed
When state, so that first battery is first wireless communication module 211 power supply；When the controller 215 passes through control
Second driving circuit, so that the second relay S2 is in closed state, so that second battery is described the
The power supply of two wireless communication modules 212.
For example, when the signal that controller 215 is input to the first driving circuit is high level signal, the first driving circuit root
According to the high level signal, the first relay work is controlled in closed state, so that first battery is first wireless
Communication module 211 is powered；Alternatively, when the signal that controller 215 is input to the first driving circuit is low level signal, described the
One relay works in off-state, and first battery is not the power supply of the first wireless communication module 211.
When the signal that controller 215 is input to the second driving circuit is high level signal, the second driving circuit is according to institute
High level signal is stated, controls the second relay work in closed state, so that second battery is the second wireless communication
Module 212 is powered；Alternatively, when controller 215 be input to the first driving circuit signal be low level signal when, described second after
For electrical work in off-state, second battery is not the power supply of the second wireless communication module 212.
Also, when the first relay S1 work is in off-state, the first sustained diode 1 is able to maintain that first
The conducting of electric current in the coil of relay S1, thus the first relay S1 of protection；When the second relay S2 work disconnects
When state, the second sustained diode 2 is able to maintain that the conducting of electric current in the coil of the second relay S2, thus protection second after
Electric appliance S2.
It should be noted that above-mentioned automotive diagnostic installation 21 can be capable of setting for operational diagnostics software to be any suitable
It is standby, for example, personal computer, smart phones, tablets, wearable devices etc., or the diagnostic device specially provided, such as diagnosis are used
Plate etc..
Diagnosing slave computer 22 can be any equipment that may connect to diagnostic device 100 and automotive diagnostic installation 21, example
Such as VCI (Vehicle Connection Interface) equipment, TPMS (Tire Pressure Monitoring System)
Specific purpose tool or other special tool for automobiles etc..Diagnosis slave computer 22 may include control unit and wirelessly communicate with first
The identical wireless communication module of the wireless communication protocol that module 211 is supported, such as when the first wireless communication module 211 is first
WiFi module, diagnosing wireless communication module in slave computer 22 is third WiFi module.Control unit is connect with wireless communication module.
Diagnosis slave computer 22 is to be responsible for the relay device between diagnostic device 100 and automotive diagnostic installation 21 by automobile
The various of diagnostic device 21 are transmitted to diagnostic device 100 for treating the instruction that diagnostic device 100 is diagnosed, and will be to
The status information to diagnostic device 100 that diagnostic device 100 returns is transmitted to automotive diagnostic installation 21.Wherein, slave computer is diagnosed
22 between diagnostic device 100 can by diagnose interface such as OBD interface be connected.
In addition, automotive diagnostic installation 21 includes but is not limited to by the wireless network that the second wireless communication module 212 connects:
Local area network, Metropolitan Area Network (MAN) and wide area network etc..
In practical applications, automotive diagnostic installation 21 and diagnosis slave computer 22 can be with tie-in sales, namely sell automobile and examine
Disconnected system 200；Any one of automotive diagnostic installation 21 and diagnosis slave computer 22 can also individually be sold.
In the utility model embodiment, automotive diagnostic installation 21 is under through the first wireless communication module 211 and diagnosis
While position machine 22 is communicatively coupled, wireless network is connected by the second wireless communication module 212, so as to follow-up
During disconnected equipment 100 is diagnosed, the wireless network can be passed through in real time, from the other equipment for being connected to wireless network
It is middle obtain various diagnostic messages or be sent to the status information current to diagnostic device 100 and be connected to other of wireless network set
It is standby, thus realize the shared of diagnostic message, so that automotive diagnostic installation 21 can cope with the automobile failure diagnosis problem of various complexity,
The applicability for improving automotive diagnostic installation 21, to better meet the needs of vehicle diagnosis.
Fig. 7 is a kind of flow diagram of the communication means of automotive diagnostic installation provided by the embodiment of the utility model.It should
The communication means of automotive diagnostic installation can be executed by automotive diagnostic installation, specifically, can be examined by the automobile in above-described embodiment
The controller of disconnected equipment executes.Wherein, which includes at least two wireless communication modules.
Referring to Fig. 7, the communication means of the automotive diagnostic installation includes:
701: based on the first wireless communication module at least two wireless communication module, establishing and diagnosis slave computer
Communication connection.
Wherein, which can be Wi-Fi module, bluetooth module, 3G/4G module, radio communication mould
Block or Zigbee communication module etc..
Controller is based on the first wireless communication module and is communicatively coupled with diagnosis slave computer, to realize and diagnose bottom
The communication of machine, such as carry out signal transmission.
702: based on the second wireless communication module at least two communication module, wireless network is connected, to pass through
The wireless network shares diagnostic message.
It is similar with the first wireless communication module, second wireless communication module may be Wi-Fi module, bluetooth module,
3G/4G module, radio-frequency communication module or Zigbee communication module etc..
In some implementations, wireless communication technique used by the second wireless communication module and the first radio communication mold
Wireless communication technique used by block is identical.The wireless communication technique includes but is not limited to: 2G/3G honeycomb, 802.15.4,
6LoWPAN addressed nodes, bluetooth, LoRa, LTE Cat 0/1, narrowband Internet of Things (NB-IoT), SIGFOX, Weightless,
Wi-Fi, Wireless HART, ZigBee, Z-Wave etc..
It is wireless used by the wireless communication technique used by the second wireless communication module and the first wireless communication module
When the communication technology is identical, automotive diagnostic installation can be improved and diagnose the smoothness of the communication of slave computer.For example, the first channel radio
Letter module and the second wireless communication module be all made of Wi-Fi technology namely automotive diagnostic installation by the first WiFi module with
While diagnosis slave computer is communicated, wireless network is connected by the second WiFi module.Which can be wireless to avoid first
Communication module causes to communicate the case where having some setbacks with any module in the second wireless communication module using Bluetooth technology.
Controller is based on the second wireless communication module and connects wireless network, will pass through wireless network, in wireless network
Other equipment be attached, to realize the shared of diagnostic message.
In some implementations, in order to enhance signal when wireless communication, at least two wireless communication module
The corresponding communication antenna of each wireless communication module.For example, the first wireless communication module corresponds to a communication antenna, the second nothing
Line communication module also corresponds to a communication antenna.
It should be noted that those of ordinary skill in the art, are appreciated that according to the description of the utility model embodiment
In different embodiments, in the case of no contradiction, the step 701-702 can have it is different execute sequence, for example, first carrying out
Step 702, then step 701 or step 701 are executed and step 702 is performed simultaneously.
It should also be noted that, the technology of not detailed description is thin in step 701-702 described in the utility model embodiment
Section, can refer to the specific descriptions in automotive diagnostic installation embodiment, therefore, just repeats no more here.
In the utility model embodiment, the controller of automotive diagnostic installation passes through under the first wireless communication module and diagnosis
While position machine is communicatively coupled, wireless network is connected by the second wireless communication module, so that setting treating diagnosis
During being diagnosed, the wireless network can be passed through in real time, obtained from the other equipment for be connected to wireless network
The status information current to diagnostic device is sent to the other equipment for being connected to wireless network by various diagnostic messages, thus real
Existing diagnostic message is shared, so that automotive diagnostic installation can cope with the automobile failure diagnosis problem of various complexity, is improved automobile and is examined
The applicability of disconnected equipment.
Fig. 8 is the flow diagram of the communication means of another automotive diagnostic installation provided by the embodiment of the utility model.
The communication means of the automotive diagnostic installation can be executed by the automotive diagnostic installation in above-described embodiment, specifically, can be by automobile
The controller of diagnostic device executes.Wherein, which includes at least two wireless communication modules.
Referring to Fig. 8, the communication means of the automotive diagnostic installation includes:
801: receiving the input instruction of user.
Wherein, input instruction is for controlling one or more radio communication molds at least two wireless communication modules
The instruction of block work.Controller can directly receive the input instruction of user, or the input of user is received based on other devices
Instruction.For example, automotive diagnostic installation may include input unit, as keyboard, mouse, camera, scanner, light pen, touch screen,
Key etc..Input unit is connect with controller.The input unit is used to receive the input instruction of user, and the input is instructed and is sent out
Controller is given, so that controller receives the input instruction of user.
802: being instructed according to the input, control one or more channel radios at least two wireless communication module
Believe module work.
It is as needed for the ease of user, determine one or more channel radios at least two wireless communication module
Believe module work, controller controls one or more wireless communication module saddlebags at least two wireless communication module
It includes: being instructed according to the input, control one or more wireless communication module works at least two wireless communication module
Make.
In some implementations, it is wireless to control one or more of described at least two wireless communication module for controller
Communication module work, comprising: open first wireless communication module, carry out communication link with the diagnosis slave computer to realize
It connects.Alternatively, second wireless communication module is opened, to realize access wireless network.For example, when the use for receiving user's input
When controlling the input instruction of the first wireless communication module work, first wireless communication module is opened, so that control
Device is communicatively coupled with diagnosis slave computer.
803: by first wireless communication module, receiving the data of the diagnosis slave computer transmission.
After opening the first wireless communication module and controller and diagnosis slave computer made to establish communication connection, controller
By first wireless communication module, the data of the diagnosis slave computer transmission are received.Wherein, the data may come to
Diagnostic device, such as automobile.In some embodiments, which can also originate from diagnosis slave computer.
Wherein, the data are used for so that controller opens second wireless communication module according to the data, with control
Make the second wireless communication module work.
For example, controller judges that vehicle failure corresponding to the data is soft by the diagnosis of itself by the data
When part cannot achieve diagnosis, controller, which can control, opens second wireless communication module, to control second nothing
Line communication module work, so that the controller of automotive diagnostic installation can connect wireless network, from being connected to the wireless network
Obtaining in other equipment (such as expert diagnosis terminal) in network may be implemented to diagnose vehicle failure corresponding to the data
Information, to realize diagnosis to the failure, so that automobile that automotive diagnostic installation can preferably cope with various complexity is former
Barrier.
804: showing the data.
The diagnosis situation that automotive diagnostic installation treats diagnostic device is got information about for the ease of user, can be shown described
Data.Wherein, after controller receives the data that diagnosis slave computer is sent, the data can be exported, for example, display institute
State data.Specifically, automotive diagnostic installation may include display, display is connect with controller, and controller sends out the data
Display is given, shows the data will pass through display.
805: receiving the communication instruction that the user is directed to data input.
When user recognizes that automotive diagnostic installation treats the case where diagnostic device diagnoses by the data shown, use
It family can be for the communication instruction of data input, so that controller receives the communication instruction.Controller receives the communication
Instruction is similar with the input instruction of user is received, and can also directly receive the communication instruction, or receiving by input unit should
Communication instruction.
Wherein, which for characterizing automotive diagnostic installation obtained from the other equipment for be connected to wireless network
The diagnostic message of the automotive diagnostic installation is still transmitted to the other equipment for being connected to wireless network by relevant diagnostic message.Root
According to communication instruction, it can choose whether to obtain diagnostic message to other equipment in order to user or transmission diagnostic message is set to other
It is standby.
Wherein described instruction is used for so that controller opens second wireless communication module according to the communication instruction.
Since the data of the received diagnosis slave computer transmission of controller may be the initial data without any processing,
Its readable and sharing is not strong, in some instances it may even be possible to and it is the unrecognized data of other equipment being connected in the wireless network, and
And data the problem of may relate to safety, therefore, in order to improve data readability or data safety, altogether
It when enjoying the data, needs to handle the data, for example, the data are passed in the form of text, image, sound, video etc.
It is defeated.Specifically, the controller opens second wireless communication module according to the data, it is wireless to control described second
Communication module work, further includes: the data are handled, during processing, open second wireless communication module.
8061: after opening second wireless communication module, the data of processing being passed through into second radio communication mold
Block is sent to wireless network.
For example, after opening second wireless communication module, if the controller of automotive diagnostic installation, which will need to network, to be located
Data after reason are sent, then can by the way that the second wireless communication module will treated that data are sent to wireless network, from
And the equipment for the connection and the wireless network such as be sent to expert terminals or server.
In order to preferably cope with the automobile failure diagnosis problem of various complexity, to better meet the need of vehicle diagnosis
It wants, controller, which needs to network, obtains information.Therefore, in some embodiments, above-mentioned steps 8061 also can be replaced step 8062
(being specifically shown in Fig. 9):
8062: after opening second wireless communication module, by second wireless communication module obtain with it is described
The relevant Network records data of data, and according to the data and the Network records data, obtain diagnostic result.
For example, controller, which needs to network, obtains information, such as idagnostic logout, to obtain diagnostic result letter in conjunction with idagnostic logout
Breath etc. can obtain the idagnostic logout by the second wireless communication module then to combine idagnostic logout to obtain diagnostic result
Information.
Optionally, this method can also include: the radio communication mold to work at least two wireless communication module
Block allocation of communication channels, so that the wireless communication module of the work is connect according to the communication channel of distribution with PERCOM peripheral communication.
For example, controller is first wireless communication module and the second wireless communication module allocation of communication channels,
So that first wireless communication module or second wireless communication module connect according to the communication channel of distribution and PERCOM peripheral communication
It connects.
Due to that can have certain interference, between each other in order to avoid phase when two wireless communication modules work at the same time
Interference between mutually, the controller can also be logical for first wireless communication module and second wireless communication module distribution
Channel is believed, so that the wireless communication module of work is connect according to the communication channel of distribution with PERCOM peripheral communication.It wherein, is area outside this
Not itself in controller, for example, can be wireless network, server, diagnosis slave computer etc. outside this.
It should also be noted that, step 801-8061 described in the utility model embodiment (or it is not detailed in step 8062)
The technical detail of description can refer to the specific descriptions in automotive diagnostic installation embodiment, therefore, just repeat no more here.
In the utility model embodiment, the controller of automotive diagnostic installation is instructed according to the input, and control is described extremely
One or more wireless communication modules work in few two wireless communication modules, to pass through the first wireless communication module and examine
While disconnected slave computer is communicatively coupled, wireless network is connected by the second wireless communication module, so as to follow-up
During disconnected equipment is diagnosed, the wireless network can be passed through in real time, from the other equipment for being connected to wireless network
It obtains various diagnostic messages or the status information current to diagnostic device is sent to the other equipment for being connected to wireless network, from
And realize the shared of diagnostic message, so that automotive diagnostic installation can cope with the automobile failure diagnosis problem of various complexity, improve vapour
The applicability of vehicle diagnostic device.
It should be noted that the apparatus embodiments described above are merely exemplary, wherein described be used as separation unit
The unit that part illustrates may or may not be physically separated, and component shown as a unit can be or can also
Not to be physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to reality
Need that some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.
By the description of above embodiment, those of ordinary skill in the art can be understood that each embodiment can borrow
Help software that the mode of general hardware platform is added to realize, naturally it is also possible to pass through hardware.Those of ordinary skill in the art can manage
All or part of the process in the solution realization embodiment method is can be by the relevant hardware of computer program instructions come complete
At the program can be stored in computer-readable storage medium, and the program is when being executed, it may include such as each method
Embodiment process.Wherein, the storage medium can be magnetic disk, CD, read-only memory (Read-Only
Memory, ROM) or random access memory (Random Access Memory, RAM) etc..
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Under the thinking of the utility model, it can also be combined between the technical characteristic in above embodiments or different embodiments,
Step can be realized with random order, and there are many other variations of the different aspect of the utility model as described above, be
Simplicity, they do not provide in details；Although the utility model is described in detail with reference to the foregoing embodiments, this
The those of ordinary skill in field it is understood that it is still possible to modify the technical solutions described in the foregoing embodiments,
Or equivalent replacement of some of the technical features；And these are modified or replaceed, and do not make the sheet of corresponding technical solution
Matter departs from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. a kind of automotive diagnostic installation, which is characterized in that including at least two wireless communication modules, wherein
The first wireless communication module at least two wireless communication module is used to be communicatively coupled with diagnosis slave computer；
The second wireless communication module at least two communication module is for connecting wireless network, so that the vehicle diagnosis
Equipment shares diagnostic message by the wireless network.
2. equipment according to claim 1, which is characterized in that wireless communication used by second wireless communication module
Technology is identical as wireless communication technique used by first wireless communication module.
3. equipment according to claim 1 or 2, which is characterized in that the equipment further include:
Controller, the controller are connect at least two wireless communication module respectively；
The controller is used to control one or more wireless communication modules work at least two wireless communication module.
4. equipment according to claim 3, which is characterized in that the equipment further include:
Input unit, the input unit are connect with the controller；
The input unit is used to receive the input instruction of user, and input instruction is transmitted to the controller；
The controller controls the work of one or more wireless communication modules at least two wireless communication module, packet
It includes:
It is instructed according to the input, controls one or more wireless communication module works at least two wireless communication module
Make.
5. equipment according to claim 4, which is characterized in that
The controller controls the work of one or more wireless communication modules at least two wireless communication module, packet
It includes: opening first wireless communication module, be communicatively coupled with realizing with the diagnosis slave computer；
The controller is also used to receive the data of the diagnosis slave computer transmission by first wireless communication module.
6. equipment according to claim 5, which is characterized in that
The controller controls the work of one or more wireless communication modules at least two wireless communication module, packet
It includes:
According to the data, second wireless communication module is opened, to control the second wireless communication module work.
7. equipment according to claim 6, which is characterized in that the equipment further include:
Display, the display are connect with the controller；
The display is used to show the data of the controller transmission；
The input unit is also used to receive the communication instruction that the user is directed to data input, and by the communication instruction
It is transmitted to the controller；
The controller opens second wireless communication module, according to the data to control second radio communication mold
Block work, comprising:
According to the communication instruction, second wireless communication module is opened.
8. equipment according to claim 3, which is characterized in that the equipment further include: power module, the power module
One end connect with the controller, the other end of the power module and at least two wireless communication module, the electricity
Source module is used to be at least two wireless communication module power supply；
The controller controls the work of one or more wireless communication modules at least two wireless communication module, packet
It includes:
The controller is by controlling the power module, so that the power module is at least two radio communication mold
One or more wireless communication module power supplies in block, to control one or more of described at least two wireless communication module
Wireless communication module work.
9. equipment according to claim 8, which is characterized in that the power module includes: the first power supply unit and second
Power supply unit；
First power supply unit includes: the first driving circuit, the first relay and the first battery, first driving circuit point
It is not connect with the coil of the controller and first relay, the switch contact of first relay is connected to described
Between one battery and first wireless communication module；
Second power supply unit includes: the second driving circuit, the second relay, the second battery, second driving circuit point
It is not connect with the coil of the controller and second relay, the switch contact of second relay is connected to described
Between two batteries and second wireless communication module；
When the controller is by controlling first driving circuit, so that first relay makes in closed state
Obtaining first battery is first wireless communication module power supply；When the controller is by controlling the second driving electricity
Road, so that second relay is in closed state, so that second battery is that second wireless communication module supplies
Electricity.
10. a kind of automotive diagnostic system characterized by comprising
Automotive diagnostic installation and diagnosis slave computer；
The automotive diagnostic installation is such as the described in any item automotive diagnostic installations of claim 1-9；
The automotive diagnostic installation is communicated to connect by first wireless communication module and the diagnosis slave computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821367916.0U CN208873044U (en) | 2018-08-23 | 2018-08-23 | Automotive diagnostic installation and automotive diagnostic system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821367916.0U CN208873044U (en) | 2018-08-23 | 2018-08-23 | Automotive diagnostic installation and automotive diagnostic system |
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| CN208873044U true CN208873044U (en) | 2019-05-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109062187A (en) * | 2018-08-23 | 2018-12-21 | 深圳市道通科技股份有限公司 | The communication means of automotive diagnostic installation, automotive diagnostic system and automotive diagnostic installation |
| CN113253701A (en) * | 2021-04-22 | 2021-08-13 | 深圳市道通科技股份有限公司 | Vehicle remote diagnosis system and method |
| CN113946303A (en) * | 2021-09-24 | 2022-01-18 | 深圳市道通科技股份有限公司 | Method and system for sharing automobile four-wheel detection results based on local area network |
-
2018
- 2018-08-23 CN CN201821367916.0U patent/CN208873044U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109062187A (en) * | 2018-08-23 | 2018-12-21 | 深圳市道通科技股份有限公司 | The communication means of automotive diagnostic installation, automotive diagnostic system and automotive diagnostic installation |
| CN113253701A (en) * | 2021-04-22 | 2021-08-13 | 深圳市道通科技股份有限公司 | Vehicle remote diagnosis system and method |
| CN113253701B (en) * | 2021-04-22 | 2022-09-02 | 深圳市道通科技股份有限公司 | Vehicle remote diagnosis system and method |
| CN113946303A (en) * | 2021-09-24 | 2022-01-18 | 深圳市道通科技股份有限公司 | Method and system for sharing automobile four-wheel detection results based on local area network |
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