CN114407809A - Vehicle-mounted TBOX (tunnel boring machine) anti-removal method based on remote monitoring - Google Patents
Vehicle-mounted TBOX (tunnel boring machine) anti-removal method based on remote monitoring Download PDFInfo
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- CN114407809A CN114407809A CN202111546089.8A CN202111546089A CN114407809A CN 114407809 A CN114407809 A CN 114407809A CN 202111546089 A CN202111546089 A CN 202111546089A CN 114407809 A CN114407809 A CN 114407809A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000012544 monitoring process Methods 0.000 title claims abstract description 17
- 238000012795 verification Methods 0.000 claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 230000002452 interceptive effect Effects 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
- B60W50/0205—Diagnosing or detecting failures; Failure detection models
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
- B60W50/0205—Diagnosing or detecting failures; Failure detection models
- B60W2050/021—Means for detecting failure or malfunction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
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- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a vehicle-mounted TBOX (tunnel boring machine) anti-removal method based on remote monitoring, and relates to the technical field of vehicle-mounted TBOX anti-removal. The invention comprises a power supply detection mode, a torque detection and verification mode and an instrument ICM detection mode. When the automobile is not started, the TBOX is judged to be dismantled and the TBOX controller reports dismantling information to the TSP platform by detecting that the time that the continuous power supply voltage of the TBOX controller is less than 2V is more than 5 seconds. When the automobile is started, the ECU and the TBOX do not pass through interactive verification or initiate verification; it is determined that TBOX is removed and the engine ECU executes the low torque mode. After the ignition of the vehicle is started, if the ICM of the instrument CAN not continuously receive the TBOX CAN message; the TBOX is judged to be removed. The method is not limited to the design and implementation of mechanical anti-dismantling, and can be implemented in a software updating mode when an anti-dismantling strategy is not needed, so that the flexibility of an anti-dismantling function is improved.
Description
Technical Field
The invention belongs to the technical field of vehicle-mounted TBOX (tunnel boring machine) anti-removal, and particularly relates to a vehicle-mounted TBOX anti-removal method based on remote monitoring.
Background
The remote monitoring device TBOX is also called a vehicle telematics box. The vehicle remote control system is used for uploading vehicle information and controlling vehicles, and can realize a plurality of remote control functions. The TBOX system has the following functions:
1. collecting and storing driving data and track records: first it can collect and record the driving data and records of the car, then store them in the system and parse them. If the vehicle emission monitoring terminal is used as an emission monitoring terminal, vehicle emission information is uploaded, and requirements of laws and regulations are met.
2. Remote control and query of cars: using the TBOX system, the car can be queried and controlled remotely, such as controlling the car to open doors, whistling, flashing lights, turning on the air conditioner, starting the vehicle, etc., and the location of the car can also be viewed.
3. Other functions are as follows: besides, the system also has other functions, such as road rescue, fault diagnosis, abnormity reminding and the like. The TBOX system can automatically make a rescue call after an accident so that a user can be rescued in time. Timely feedback can be realized when a fault occurs; and alarm reminding is carried out when abnormality occurs, such as dragging, theft prevention and the like.
It follows that TBOX contains many functions, and that it is a real problem for the vehicle factory or the operator to avoid being dismantled. At present, the TBOX is arranged at a position which is difficult to be contacted by the whole vehicle mainly by designing a complex mechanical device, and a disassembly-preventing nut is applied to prevent the TBOX from being disassembled. The mechanical anti-disassembly design increases the difficulty of installation and influences the production line efficiency; meanwhile, when the parts are replaced due to failure, the parts are difficult to remove, and the mechanical anti-removal is extremely difficult to implement. More importantly, the user cannot be reminded in time by the anti-disassembly of the instrument. In order to solve the problems, the invention provides a vehicle-mounted TBOX anti-dismounting method based on remote monitoring.
Disclosure of Invention
The invention aims to provide a vehicle-mounted TBOX (tunnel boring machine) anti-removal method based on remote monitoring, wherein when the time that the continuous power supply voltage of a TBOX controller is less than 2V is detected to be more than 5 seconds; or when the ECU and the TBOX do not pass the interactive verification or do not initiate the verification; and when the ICM of the instrument CAN not continuously receive the TBOX CAN message; the TBOX is judged to be dismantled, and the problems that the existing TBOX dismantling prevention detection needs mechanical loading and unloading, so that the efficiency is low, convenience is brought, and a user cannot be reminded in time are solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a vehicle-mounted TBOX (tunnel boring machine) anti-removal method based on remote monitoring, which comprises a power supply detection mode, a torque detection and verification mode and an instrument ICM (integrated control network) detection mode;
the power supply detection mode is as follows: the TBOX controller detects the power supply state in real time, and when the power supply voltage is less than 2V, the TBOX starts a standby power supply; if the time that the TBOX controller continuously supplies power with the voltage less than 2V is longer than 5 seconds, the TBOX is judged to be dismantled, and the TBOX controller reports dismantling information to the TSP platform;
the torque detection and verification mode is as follows: when an engine ECU is started in ignition, if the ECU and TBOX cross check fails or the check is not initiated; determining that TBOX is removed and the engine ECU executes the low torque mode;
the ICM detection mode of the instrument is as follows: after the ignition of the vehicle is started, if the ICM of the instrument CAN not continuously receive the TBOX CAN message; the TBOX is judged to be removed.
As a preferred technical solution, the demolition information includes demolished time, platform serial number, location status, longitude, and latitude.
As a preferred technical scheme, a central gateway divides a whole vehicle network into a plurality of network segments, and an engine ECU, meters ICM and TBOX are respectively positioned in different CAN network segments.
As a preferable technical scheme, when the TBOX is judged to be removed through a torque detection and verification mode, the ICM text of the instrument prompts 'please check the TBOX', and meanwhile, the buzzer of the instrument gives an alarm sound.
As a preferable technical scheme, when the TBOX is installed back, the ICM releases the alarm reminding after receiving the TBOX message again for 3 s.
As a preferred technical solution, the ECU and TBOX cross-check process is as follows:
a00: starting the TBOX to send a check request event type message to the ECU;
a01: the ECU sends a seed to TBOX;
a02: TBOX calculates out a secret key according to an algorithm;
a03: and the ECU receives the TBOX authentication response message, verifies the secret key, completes the verification, sends out an authentication result message, and removes the torque limit if the verification is passed.
As a preferred technical scheme, the ECU and TBOX mutual verification processes are all effective under the same starting cycle, and if the accidental faults of TBOX cannot be identified by the ECU, the torque limiting mechanism is not triggered in the next cycle.
The invention has the following beneficial effects:
when the automobile is not started, the TBOX is judged to be dismantled and the TBOX controller reports dismantling information to the TSP platform by detecting that the time that the continuous power supply voltage of the TBOX controller is less than 2V is more than 5 seconds. When the automobile is started, the ECU and the TBOX do not pass through interactive verification or initiate verification; it is determined that TBOX is removed and the engine ECU executes the low torque mode. After the ignition of the vehicle is started, if the ICM of the instrument CAN not continuously receive the TBOX CAN message; the TBOX is judged to be removed. The method is not limited to the design and implementation of mechanical anti-dismantling, and can be implemented in a software updating mode when an anti-dismantling strategy is not needed, so that the flexibility of an anti-dismantling function is improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of a vehicle TBOX removal prevention method based on remote monitoring according to the invention;
FIG. 2 is a schematic diagram of an ECU and TBOX cross-check process in a board invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the invention relates to a vehicle-mounted TBOX anti-removal method based on remote monitoring, which comprises a power supply detection mode, a torque detection and verification mode and an instrument ICM detection mode;
the power supply detection mode is as follows: the TBOX controller detects the power supply state in real time, and when the power supply voltage is less than 2V, the TBOX starts a standby power supply; if the time that the TBOX controller continuously supplies power with the voltage less than 2V is longer than 5 seconds, the TBOX is judged to be dismantled, and the TBOX controller reports dismantling information to the TSP platform; specifically, the central gateway divides the whole vehicle network into a plurality of network segments, and the engine ECU, the instrument ICM and the TBOX are respectively positioned in different CAN network segments; the demolition information comprises demolished time, platform serial number, positioning state, longitude and latitude; in effect, the TBOX controller enables the backup power supply when the TBOX is removed.
The torque detection and verification method comprises the following steps: when an engine ECU is started in ignition, if the ECU and TBOX cross check fails or the check is not initiated; determining that TBOX is removed and the engine ECU executes the low torque mode; in effect, vehicle ignition is initiated and meter ICM monitors TBOX for node loss via preset diagnostic conditions. The detection strategy for ICM is: the duration of 5 seconds (configurable) after the ICM KL15 is electrified; the ICM power supply voltage is 9-32V; the ICM CAN controller is not in a Bus Off state; and ICM CAN not receive TBOX CAN message. If the four conditions are met, the instrument words prompt a driver to 'please check TBOX', and meanwhile, the instrument buzzer gives out an alarm sound. And when the TBOX is installed back, the ICM releases the alarm reminding after receiving the TBOX message again for 3 s.
The ICM detection mode of the instrument is as follows: after the ignition of the vehicle is started, if the ICM of the instrument CAN not continuously receive the TBOX CAN message; judging that the TBOX is removed; in practice, the engine ECU checks with TBOX in an already designed interaction specification at the time of ignition start. If the verification is not passed or the verification is not initiated, the engine ECU executes a low-torque mode, and the whole vehicle limits power output. The user needs to install the TBOX or go to an after-market solution.
Referring to fig. 2, the ECU and TBOX cross-check process is as follows:
a00: starting the TBOX to send a check request event type message to the ECU;
a01: the ECU sends a seed to TBOX;
a02: TBOX calculates out a secret key according to an algorithm;
a03: and the ECU receives the TBOX authentication response message, verifies the secret key, completes the verification, sends out an authentication result message, and removes the torque limit if the verification is passed.
All of the above constraints are valid for the same start cycle, if the contingent fault on TBOX cannot be identified by the ECU then the torque limiting mechanism is not triggered for the next cycle. Meanwhile, the TSP platform can be configured with whether the TBOX has a software anti-dismounting function.
When the device is actually used, when the automobile is not started, the TBOX is judged to be dismounted and the TBOX controller reports dismounting information to the TSP platform by detecting that the time that the continuous power supply voltage of the TBOX controller is less than 2V is more than 5 seconds. When the automobile is started, the ECU and the TBOX do not pass through interactive verification or initiate verification; it is determined that TBOX is removed and the engine ECU executes the low torque mode. After the ignition of the vehicle is started, if the ICM of the instrument CAN not continuously receive the TBOX CAN message; the TBOX is judged to be removed. The method is not limited to the design and implementation of mechanical anti-dismantling, and can be implemented in a software updating mode when an anti-dismantling strategy is not needed, so that the flexibility of an anti-dismantling function is improved.
It should be noted that, in the above system embodiment, each included unit is only divided according to functional logic, but is not limited to the above division as long as the corresponding function can be implemented; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
In addition, it is understood by those skilled in the art that all or part of the steps in the method for implementing the embodiments described above may be implemented by a program instructing associated hardware, and the corresponding program may be stored in a computer-readable storage medium.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. A vehicle-mounted TBOX anti-removal method based on remote monitoring is characterized by comprising a power supply detection mode, a torque detection and verification mode and an instrument ICM detection mode;
the power supply detection mode is as follows: the TBOX controller detects the power supply state in real time, and when the power supply voltage is less than 2V, the TBOX starts a standby power supply; if the time that the TBOX controller continuously supplies power with the voltage less than 2V is longer than 5 seconds, the TBOX is judged to be dismantled, and the TBOX controller reports dismantling information to the TSP platform;
the torque detection and verification mode is as follows: when an engine ECU is started in ignition, if the ECU and TBOX cross check fails or the check is not initiated; determining that TBOX is removed and the engine ECU executes the low torque mode;
the ICM detection mode of the instrument is as follows: after the ignition of the vehicle is started, if the ICM of the instrument CAN not continuously receive the TBOX CAN message; the TBOX is judged to be removed.
2. The vehicle TBOX detaching prevention method based on remote monitoring as claimed in claim 1, wherein the detaching information comprises detached time, platform serial number, positioning state, longitude and latitude.
3. The method as claimed in claim 2, wherein the central gateway divides the entire vehicle network into several segments, and the engine ECU, the meters ICM and TBOX are located in different CAN segments.
4. The method for preventing the removal of the vehicle-mounted TBOX based on the remote monitoring as claimed in claim 1, wherein when the TBOX is determined to be removed through a torque detection and verification manner, the ICM of the meter prompts 'please check the TBOX', and meanwhile, a buzzer of the meter sounds an alarm.
5. The method for preventing the removal of the vehicle-mounted TBOX based on the remote monitoring as claimed in claim 4, wherein when the TBOX is installed back, the ICM releases the alarm prompt after receiving the TBOX again for 3 s.
6. The vehicle-mounted TBOX anti-removal method based on remote monitoring as claimed in claim 1, 3 or 5, wherein the ECU and TBOX interactive verification process is as follows:
a00: starting the TBOX to send a check request event type message to the ECU;
a01: the ECU sends a seed to TBOX;
a02: TBOX calculates out a secret key according to an algorithm;
a03: and the ECU receives the TBOX authentication response message, verifies the secret key, completes the verification, sends out an authentication result message, and removes the torque limit if the verification is passed.
7. The vehicle-mounted TBOX removal prevention method based on remote monitoring as claimed in claim 6, wherein the ECU and TBOX cross-checking processes are both effective in the same starting cycle, and if the contingent fault of TBOX cannot be identified by the ECU, the torque limiting mechanism is not triggered in the next cycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111546089.8A CN114407809A (en) | 2021-12-16 | 2021-12-16 | Vehicle-mounted TBOX (tunnel boring machine) anti-removal method based on remote monitoring |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111546089.8A CN114407809A (en) | 2021-12-16 | 2021-12-16 | Vehicle-mounted TBOX (tunnel boring machine) anti-removal method based on remote monitoring |
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| CN115158223A (en) * | 2022-07-26 | 2022-10-11 | 东风柳州汽车有限公司 | Anti-disassembly control method, device and system for vehicle controller |
| CN115257577A (en) * | 2022-06-10 | 2022-11-01 | 潍柴动力股份有限公司 | Method and device for determining whether vehicle-mounted terminal of vehicle is detached |
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