CN108052095A - A kind of automotive diagnostic system and automobile - Google Patents
A kind of automotive diagnostic system and automobile Download PDFInfo
- Publication number
- CN108052095A CN108052095A CN201810082320.4A CN201810082320A CN108052095A CN 108052095 A CN108052095 A CN 108052095A CN 201810082320 A CN201810082320 A CN 201810082320A CN 108052095 A CN108052095 A CN 108052095A
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- relay
- controller
- state
- gateway controller
- obd interfaces
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Small-Scale Networks (AREA)
Abstract
The present invention provides a kind of automotive diagnostic system and automobile, is related to Automobile Failure Diagnosis Technology field, automotive diagnostic system includes：Gateway controller；The OBD interfaces being connected by first line and the second circuit with gateway controller；Relay is provided in first line, and relay is also connected with the Parts Controller of automobile；It is in first state or the second state that gateway controller controls relay by first line；When relay is in first state, the circuit between OBD interfaces and Parts Controller connects, and diagnostic data transmission is directly carried out between OBD interfaces and Parts Controller；When relay is in the second state, the diagnostic data between OBD interfaces and Parts Controller by the second circuit, is forwarded by gateway controller.The solution of the present invention is avoided obtains data in fault diagnosis by lead, also avoids OBD interfaces and is directly connected with all network segments of vehicle, improves vehicle Information Security, reduce the security risk of vehicle.
Description
Technical field
The invention belongs to Automobile Failure Diagnosis Technology field, more particularly, to a kind of automotive diagnostic system and automobile.
Background technology
With the rapid development of automotive engineering, people have higher requirement to the safety and reliability of automobile.Automobile
Internal electric-controlled system fault can not only influence the normal operation of automobile or even can cause security incident.In order to ensure the peace of automobile
Accident Probability is reduced in controlled range by Quan Xing, and the realization of the diagnostic system of automobile electric control system is more and more important, vehicle
Carry diagnostic system (On-Board Diagnostic, abbreviation：OBD) interface is as diagnostic device and vehicle interactive diagnosis data
Passage, realization mechanism are particularly important.Traditional diagnosis interface is directly connected to all network segments of vehicle, diagnostic data and network communication
Data can directly be read by diagnosing interface, it is impossible to the security of vehicle data be effectively ensured；What another was generally used examines
Slave interrupt interface is connected by gateway controller with vehicle network, between gateway controller forwarding diagnostic device and entire car controller
Diagnostic data, realization method ensures the security of vehicle data, but stage, technical staff need to pass through in automobile research or after sale
Gage system obtains network communication data, destroys overall wire sheaves, security risk is caused to vehicle.
The content of the invention
The embodiment of the present invention is designed to provide a kind of automotive diagnostic system and automobile, so as to solve in the prior art without
Method is effectively ensured the security of vehicle data and since technical staff is by gage system acquisition network communication data, causes
There is security risk in vehicle.
To achieve these goals, an embodiment of the present invention provides a kind of automotive diagnostic system, including：
Gateway controller；
Onboard diagnostic system OBD interfaces, the gateway controller pass through first line and the second circuit and OBD interfaces respectively
It is connected；
Wherein, relay is provided in the first line, and the relay is also connected with the Parts Controller of automobile
It connects；
It is in first state or the second shape that the gateway controller, which is used to control the relay by the first line,
State；When wherein described relay is in first state, the circuit between the OBD interfaces and Parts Controller connects, the OBD
Diagnostic data transmission is directly carried out between interface and Parts Controller；When the relay is in the second state, the OBD interfaces
With the diagnostic data between the Parts Controller, by second circuit, forwarded by gateway controller.
Wherein, the output terminal of the gateway controller is connected by the control terminal of rigid line and the relay of the first line
It connects；When data of the gateway controller by second line receiver to characterization diagnostic mode, the gateway controller
The relay is controlled to switch to first state by the second state, when the gateway controller is arrived by second line receiver
When characterizing the data of non-diagnostic pattern, the gateway controller controls the relay to switch to the second state by first state.
Wherein, the Parts Controller includes at least one in instrument controller and car body controller.
Wherein, the relay includes the first relay and the second relay, wherein, the first of first relay
The first CAN communication end at end, the first end of second relay, the instrument controller and the gateway controller passes through
CAN bus connects, and the second end of the second end of first relay and second relay connects respectively with the OBD interfaces
It connects；When first relay and second relay are in first state, the first end of first relay and institute
The second end connection of the first relay is stated, the first end of second relay is connected with the second end of second relay.
Wherein, the relay further includes the 3rd relay and the 4th relay, the first end of the 3rd relay, institute
The the second CAN communication end for stating the first end of the 4th relay, the car body controller and the gateway controller passes through CAN bus
Connection, the second end of the 3rd relay and the second end of the 4th relay are connected respectively with the OBD interfaces, work as institute
State the 3rd relay and when the 4th relay is in first state, the first end of the 3rd relay and the described 3rd after
The second end connection of electric appliance, the first end of the 4th relay are connected with the second end of the 4th relay.
Wherein, it is also direct between the Parts Controller and the OBD interfaces when the relay is in first state
Carry out the transmission of communication data.
Wherein, engine controller is further included, the engine controller passes through CAN bus and the gateway controller
3rd CAN communication end connects.
Wherein, the diagnostic data between the OBD interfaces and the engine controller by second circuit, is led to
Cross gateway controller forwarding.
Wherein, it is logical between the OBD interfaces and the engine controller when the relay is in first state
Letter data by second circuit, is forwarded by gateway controller.
The embodiment of the present invention additionally provides a kind of automobile, including automotive diagnostic system as described above.
The above-mentioned technical proposal of the present invention at least has the advantages that：
The embodiment of the present invention includes the first line of relay by being connected between gateway controller and OBD interfaces, from
And realize when carrying out fault diagnosis, the Parts Controller of automobile is directly connected with OBD interfaces, makes to connect with the OBD interfaces
The diagnostic device connect can directly read each network segment diagnostic data of vehicle and communication data respectively, ensure that the safety of vehicle data
Property, while enable a technician to simply and easily obtain vehicle network communication data and diagnostic data, it avoids and passes through lead
Mode obtains data, and causing vehicle, there are security risks.
Description of the drawings
Fig. 1 is the schematic diagram of the automotive diagnostic system of the embodiment of the present invention.
Reference sign：
1- gateway controllers, 2-OBD interfaces, 3- instrument controllers, 4- engine controllers, 5- car body controllers, 6- are supplied
Power supply, the first relays of K1-, the second relays of K2-, the 3rd relays of K3-, the 4th relays of K4-.
Specific embodiment
To make the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The embodiment of the present invention is directed to can not be effectively ensured the security of vehicle data and due to technology people in the prior art
Member obtains network communication data by gage system, and vehicle is caused to there are problems that security risk, provides a kind of vehicle diagnosis system
System and automobile, so as to for technical staff's reserved data read passage, convenient for vehicle development and after sale the stage failure problems investigate,
And it provides safeguard safely for vehicle.
As shown in Figure 1, one embodiment of the invention provides a kind of automotive diagnostic system, including：
Gateway controller 1；
Onboard diagnostic system OBD interfaces 2, the gateway controller 1 are connect respectively by first line and the second circuit with OBD
Mouth 2 is connected；
Wherein, relay is provided in the first line, and the relay is also connected with the Parts Controller of automobile
It connects；
It is in first state or the second shape that the gateway controller 1, which is used to control the relay by the first line,
State；When wherein described relay is in first state, the circuit between the OBD interfaces 2 and Parts Controller connects, described
Diagnostic data transmission is directly carried out between OBD interfaces 2 and Parts Controller；When the relay is in the second state, the OBD
Diagnostic data between interface 2 and the Parts Controller by second circuit, is forwarded by gateway controller 1.
The above embodiment of the present invention by setting the relay, is realized in diagnostic mode and non-diagnostic pattern two
Under kind state, data are transmitted between the Parts Controller and the OBD interfaces 2 by different circuits.Wherein, when in
During non-diagnostic pattern, the gateway controller 1 handles all data that the Parts Controller received is sent, from
And diagnostic data is obtained, the diagnostic data is sent to by the OBD interfaces 2 by second circuit.When in diagnosis mould
During formula, the gateway controller 1 controls the relay to be in first state, so as to fulfill each Parts Controller and institute
It states and directly carries out data transmission respectively between OBD interfaces 2, ensure that the security of vehicle data.Specifically, the number transmitted at this time
According to including communication data and diagnostic data, according to the communication data and described examined with the diagnostic device that the OBD interfaces 2 are connected
Disconnected data failure judgement Producing reason.
Here, it is necessary to which explanation, the first state of the relay connect for the movable contact of relay with normally opened contact,
I.e.：Coil in the relay is powered, and movable contact is attracted to the normally opened contact and is connected；Second shape of the relay
State connects for the movable contact of relay with normally-closed contact, i.e.,：Coil in the relay is not powered on, movable contact and normally-closed contact
Connection.
Wherein, the output terminal of the gateway controller 1 is connected by the control terminal of rigid line and the relay of the first line
It connects；When data of the gateway controller 1 by second line receiver to characterization diagnostic mode, the gateway controller
The 1 control relay switches to first state by the second state, when the gateway controller 1 passes through second line receiver
During to the data for characterizing non-diagnostic pattern, the gateway controller 1 controls the relay to switch to the second shape by first state
State.
In order to further ensure that the security of vehicle data, during technical staff carries out fault diagnosis to automobile,
Diagnostic device is connected to the OBD interfaces 2 first, then, the gateway controller 1 and the diagnostic device pass through described the
Two circuits carry out safety verification, and after the success of the two safety verification, the diagnostic device sends the data of characterization diagnostic mode extremely
The gateway controller 1, the control terminal of its output terminal of the control of gateway controller 1 output significant level to the relay,
The relay is made to be in first state, the movable contact is connected with the normally opened contact；When the two safety verification failure or
After verification time-out, the gateway controller 1 controls its output terminal to export inactive level to the control terminal of the relay, makes described
Relay is in the second state, and the movable contact is connected with the normally-closed contact.Wherein, the control terminal of the relay is relay
The second end of the coil of device.
Specifically, the Parts Controller is including at least one in instrument controller 3 and car body controller 5.Wherein, institute
It states instrument controller 3 to be connected with two relays in the first line, in the car body controller 5 and the first line
Another two relay connection.
Wherein, the first end of the first relay K1, the first end of the second relay K2, the instrument controller
3 are connected with the first CAN communication end of the gateway controller 1 by CAN bus, the second end of the first relay K1 and institute
The second end for stating the second relay K2 is connected respectively with the OBD interfaces 2；As the first relay K1 and second relay
When device K2 is in first state, the first end of the first relay K1 is connected with the second end of the first relay K1, institute
The first end for stating the second relay K2 is connected with the second end of the second relay K2.So as to fulfill in diagnostic mode, institute
State instrument controller 3 be connected by the first relay K1 and the second relay K2 with the OBD interfaces 2 and directly into
Row data transmission.Wherein, the first end is the normally opened contact of relay, and the second end is the movable contact of relay.
Wherein, the first end of the 3rd relay K3, the first end of the 4th relay K4, the car body controller
5 are connected with the second CAN communication end of the gateway controller 1 by CAN bus, the second end of the 3rd relay K3 and institute
The second end for stating the 4th relay K4 is connected respectively with the OBD interfaces 2, when the 3rd relay K3 and the 4th relay
When device K4 is in first state, the first end of the 3rd relay K3 is connected with the second end of the 3rd relay K3, institute
The first end for stating the 4th relay K4 is connected with the second end of the 4th relay K4.So as to fulfill in diagnostic mode, institute
State instrument controller 3 be connected by the 3rd relay K3 and the 4th relay K4 with the OBD interfaces 2 and directly into
Row data transmission, wherein, the first end is the normally opened contact of relay, and the second end is the movable contact of relay.
Further, when the relay is in first state, between the Parts Controller and the OBD interfaces 2
Also directly carry out the transmission of communication data.So that the diagnostic device being connected with the OBD interfaces 2 is according to the communication data and institute
It states diagnostic data and fault diagnosis is carried out to the Parts Controller, determine failure cause.
The embodiment of the present invention realizes diagnostic device and is directly acquired by the OBD interfaces 2 by setting the relay
The communication data and diagnostic data of the Parts Controller avoid technical staff and obtain network communication number by gage system
According to destruction overall wire sheaves cause security risk to vehicle；Meanwhile the diagnosis interface for also solving the prior art be directly connected to it is whole
All network segments of vehicle, the problem of leading to not the security of vehicle data is effectively ensured.
Wherein, the automotive diagnostic system of the embodiment of the present invention further includes engine controller 4, the engine controller 4
It is connected by CAN bus with the 3rd CAN communication end of the gateway controller 1.In non-diagnostic pattern, the OBD interfaces 2 with
Diagnostic data between the engine controller 4 by second circuit, is forwarded by gateway controller 1.In diagnosis mould
During formula, i.e., when the relay of described first line is in first state, between the OBD interfaces 2 and the engine controller 4
Communication data and diagnostic data, by second circuit, forwarded by gateway controller 1.
In summary, when the automotive diagnostic system is in non-diagnostic pattern, the gateway controller 1 is total by CAN
The diagnosis of at least one transmission in the line reception instrument controller 3, the engine controller 4 and the car body controller 5
Data and communication data, and the data to receiving are handled, and obtain the instrument controller 3, the engine controller 4
The diagnostic data sent with the car body controller 5, and pass through second circuit and be sent to the OBD interfaces 2；When the vapour
When vehicle diagnostic system is in diagnostic mode, the gateway controller 1 controls its output terminal to export significant level to relay, control
The relay is in first state so that the instrument controller 3 and the car body controller 5 respectively with the OBD interfaces 2
Connection, and directly transmit diagnostic data and communication data；The engine controller 4 passes through the gateway controller 1 and described
Second circuit is connected with the OBD interfaces 2, and directly transmits diagnostic data and communication data.
Specifically, as shown in Figure 1, the first end of the coil of the first relay K1, the line of the second relay K2
The first end of circle, the 3rd relay K3 coil first end and the 4th relay K4 coil first end difference
It is connected with power supply 6；The gateway controller 1 includes two output terminals, wherein, the first output terminal and first relay
The second end of the coil of K1 is connected with the second end of the coil of the second relay K2, second output terminal and the 3rd relay
The second end of the coil of device K3 is connected with the second end of the coil of the 4th relay K4.When the gateway controller 1 receives
During to the data for characterizing diagnostic mode, the gateway controller 1 controls first output terminal and the second output terminal to export
Low level makes the coil of each relay be powered, so that the relay is in first that movable contact is connected with normally opened contact
State.
Here, it is necessary to illustrate, when the gateway controller 1 receives the data of characterization instrument diagnostic mode, institute
It states gateway controller 1 and controls the first output terminal output low level so that the first relay K1 and second relay
Device K2 switches to first state；Likewise, when the gateway controller 1 receives the data of characterization vehicle body diagnostic mode, institute
It states gateway controller 1 and controls the second output terminal output low level so that the 3rd relay K3 and the 4th relay
Device K4 switches to first state；When the gateway controller 1 receives the data of characterization engine diagnostic pattern, the gateway
Controller 1 controls the 3rd CAN communication end to be connected with second circuit.
The embodiment of the present invention also provides a kind of automobile, including automotive diagnostic system as described above.
Correspondingly, since the automotive diagnostic system of the embodiment of the present invention is applied to automobile, the embodiment of the present invention also carries
A kind of automotive diagnostic system has been supplied, wherein, realize that embodiment is suitable for the implementation of the automobile described in above-mentioned automotive diagnostic system
In example, it can also reach identical technique effect.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of automotive diagnostic system, which is characterized in that including：
Gateway controller；
Onboard diagnostic system OBD interfaces, the gateway controller are connected respectively by first line and the second circuit with OBD interfaces
It connects；
Wherein, relay is provided in the first line, and the relay is also connected with the Parts Controller of automobile；
It is in first state or the second state that the gateway controller, which is used to control the relay by the first line,；Its
Described in relay when being in first state, the circuit between the OBD interfaces and Parts Controller connects, the OBD interfaces
Diagnostic data transmission is directly carried out between Parts Controller；When the relay is in the second state, the OBD interfaces and institute
The diagnostic data between Parts Controller is stated, by second circuit, is forwarded by gateway controller.
2. automotive diagnostic system according to claim 1, which is characterized in that the output terminal of the gateway controller passes through hard
Line is connected with the control terminal of the relay of the first line；When the gateway controller passes through second line receiver to table
When levying the data of diagnostic mode, the gateway controller controls the relay to switch to first state by the second state, works as institute
State gateway controller by second line receiver to the data for characterizing non-diagnostic pattern when, the gateway controller controls institute
It states relay and the second state is switched to by first state.
3. automotive diagnostic system according to claim 1, which is characterized in that the Parts Controller includes instrument controller
With it is at least one in car body controller.
4. automotive diagnostic system according to claim 3, which is characterized in that the relay includes the first relay and the
Two relays, wherein, the first end of first relay, the first end of second relay, the instrument controller and
First CAN communication end of the gateway controller is connected by CAN bus, the second end of first relay and described second
The second end of relay is connected respectively with the OBD interfaces；When first relay and second relay are in first
During state, the first end of first relay is connected with the second end of first relay, and the of second relay
One end is connected with the second end of second relay.
5. automotive diagnostic system according to claim 4, which is characterized in that the relay further include the 3rd relay and
4th relay, the first end of the 3rd relay, the first end of the 4th relay, the car body controller and described
Second CAN communication end of gateway controller is connected by CAN bus, the second end and the 4th relay of the 3rd relay
The second end of device is connected respectively with the OBD interfaces, when the 3rd relay and the 4th relay are in first state
When, the first end of the 3rd relay is connected with the second end of the 3rd relay, the first end of the 4th relay
It is connected with the second end of the 4th relay.
6. automotive diagnostic system according to claim 1, which is characterized in that when the relay is in first state,
The transmission of communication data is also directly carried out between the Parts Controller and the OBD interfaces.
7. automotive diagnostic system according to claim 1, which is characterized in that engine controller is further included, it is described to start
Machine controller is connected by CAN bus with the 3rd CAN communication end of the gateway controller.
8. automotive diagnostic system according to claim 7, which is characterized in that the OBD interfaces are controlled with the engine
Diagnostic data between device by second circuit, is forwarded by gateway controller.
9. automotive diagnostic system according to claim 7, which is characterized in that when the relay is in first state,
Communication data between the OBD interfaces and the engine controller by second circuit, is turned by gateway controller
Hair.
10. a kind of automobile, which is characterized in that including such as claim 1-9 any one of them automotive diagnostic system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810082320.4A CN108052095A (en) | 2018-01-29 | 2018-01-29 | A kind of automotive diagnostic system and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810082320.4A CN108052095A (en) | 2018-01-29 | 2018-01-29 | A kind of automotive diagnostic system and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108052095A true CN108052095A (en) | 2018-05-18 |
Family
ID=62124902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810082320.4A Pending CN108052095A (en) | 2018-01-29 | 2018-01-29 | A kind of automotive diagnostic system and automobile |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108614133A (en) * | 2018-05-23 | 2018-10-02 | 北京新能源汽车股份有限公司 | Wire breakage box and vehicle detection system |
| CN109669444A (en) * | 2018-12-30 | 2019-04-23 | 浙江众泰汽车制造有限公司 | The reliable gateway of information |
| CN111130967A (en) * | 2019-12-25 | 2020-05-08 | 宜宾凯翼汽车有限公司 | Automobile diagnosis network topological structure |
| CN112585549A (en) * | 2020-02-29 | 2021-03-30 | 华为技术有限公司 | Fault diagnosis method and device and vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110144858A1 (en) * | 2008-08-22 | 2011-06-16 | Yun Hyun Jeong | Vehicle gateway, and apparatus and method for vehicle network interface |
| CN203911981U (en) * | 2014-05-06 | 2014-10-29 | 北京汽车股份有限公司 | Peripheral circuit for gateway equipment of vehicle controller area network, and vehicle |
| DE102013013567A1 (en) * | 2013-08-14 | 2015-02-19 | GM Global Technology Operations, LLC (n.d. Ges. d. Staates Delaware) | Connector for a bus system of a motor vehicle with gateway and bus system for a motor vehicle |
| CN104391502A (en) * | 2014-11-27 | 2015-03-04 | 长城汽车股份有限公司 | Car diagnosis system and car |
| CN106998280A (en) * | 2017-03-20 | 2017-08-01 | 广州汽车集团股份有限公司 | A kind of automotive networking route system and method |
| CN207799457U (en) * | 2018-01-29 | 2018-08-31 | 北京汽车研究总院有限公司 | A kind of automotive diagnostic system and automobile |
-
2018
- 2018-01-29 CN CN201810082320.4A patent/CN108052095A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110144858A1 (en) * | 2008-08-22 | 2011-06-16 | Yun Hyun Jeong | Vehicle gateway, and apparatus and method for vehicle network interface |
| DE102013013567A1 (en) * | 2013-08-14 | 2015-02-19 | GM Global Technology Operations, LLC (n.d. Ges. d. Staates Delaware) | Connector for a bus system of a motor vehicle with gateway and bus system for a motor vehicle |
| CN203911981U (en) * | 2014-05-06 | 2014-10-29 | 北京汽车股份有限公司 | Peripheral circuit for gateway equipment of vehicle controller area network, and vehicle |
| CN104391502A (en) * | 2014-11-27 | 2015-03-04 | 长城汽车股份有限公司 | Car diagnosis system and car |
| CN106998280A (en) * | 2017-03-20 | 2017-08-01 | 广州汽车集团股份有限公司 | A kind of automotive networking route system and method |
| CN207799457U (en) * | 2018-01-29 | 2018-08-31 | 北京汽车研究总院有限公司 | A kind of automotive diagnostic system and automobile |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108614133A (en) * | 2018-05-23 | 2018-10-02 | 北京新能源汽车股份有限公司 | Wire breakage box and vehicle detection system |
| CN108614133B (en) * | 2018-05-23 | 2021-01-01 | 北京新能源汽车股份有限公司 | Wire breakage box and vehicle detection system |
| CN109669444A (en) * | 2018-12-30 | 2019-04-23 | 浙江众泰汽车制造有限公司 | The reliable gateway of information |
| CN111130967A (en) * | 2019-12-25 | 2020-05-08 | 宜宾凯翼汽车有限公司 | Automobile diagnosis network topological structure |
| CN112585549A (en) * | 2020-02-29 | 2021-03-30 | 华为技术有限公司 | Fault diagnosis method and device and vehicle |
| CN112585549B (en) * | 2020-02-29 | 2022-05-31 | 华为技术有限公司 | Fault diagnosis method and device and vehicle |
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