CN111976647B - Military off-road vehicle anti-theft control method and system - Google Patents
Military off-road vehicle anti-theft control method and system Download PDFInfo
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- CN111976647B CN111976647B CN202010773983.8A CN202010773983A CN111976647B CN 111976647 B CN111976647 B CN 111976647B CN 202010773983 A CN202010773983 A CN 202010773983A CN 111976647 B CN111976647 B CN 111976647B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
- B60R25/04—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/23—Means to switch the anti-theft system on or off using manual input of alphanumerical codes
Abstract
The invention relates to a military cross-country vehicle anti-theft control method and a system, which comprises the steps of judging the anti-theft mode of a vehicle, wherein the anti-theft mode comprises a daily anti-theft mode and a wartime anti-theft mode; when the vehicle is in the daily anti-theft mode, the authentication is carried out by using the authentication method of the daily anti-theft mode; when the vehicle is in a wartime anti-theft mode, the vehicle is authenticated by an authentication method of the wartime anti-theft mode; the authentication method of the daily anti-theft mode is to perform authentication in a first authentication period; the authentication method of the wartime anti-theft mode is to perform authentication in a second authentication period; the first authentication period is greater than the second authentication period. Aiming at the use characteristics of troops, anti-theft authentication schemes under different environments are provided, and authentication is only needed to be carried out once every 30 days when the troops are normally used (namely a daily anti-theft mode); during special activities such as wartime, authentication is required to be performed every 3 days. The complexity of vehicle authentication under the non-special condition is reduced, and the anti-theft effect can be realized.
Description
Technical Field
The invention relates to the technical field of vehicle theft prevention, in particular to a military off-road vehicle theft prevention control method and system.
Background
The current technical mature scheme in the field of automobile anti-theft systems mainly comprises an electronic type anti-theft system and a chip type anti-theft system, but the two anti-theft systems are matched with a remote control key, and when the key is legal, a vehicle can be normally started; when the key is illegal, the key matching learning by the after-sales department is required at this time.
The ignition system of the military off-road vehicle is mainly mechanical at present and is not provided with an anti-theft function, so that a new anti-theft mode needs to be designed for the military off-road vehicle.
Chinese patent cn201210317185.X discloses an automobile anti-theft scheme, which mainly solves the problems that an automobile anti-theft key is cracked and the key itself is repeated, and the scheme is not suitable for military off-road vehicles adopting a traditional mechanical ignition system;
chinese patent CN201510713946.7 discloses an automobile anti-theft unlocking scheme, which mainly aims to solve the problem that unlocking cannot be performed due to the failure of an anti-theft device or a coil, and the existing IMMO anti-theft technical scheme is mature, the abnormal probability is extremely low, and when a legal key exists, a vehicle can be started, so that the problem that the vehicle (including the key) is used when falling into the vehicle cannot be solved.
Disclosure of Invention
The invention aims to provide a military off-road vehicle anti-theft control method and system aiming at the defects of the prior art, which can effectively prevent the vehicle from being used for the second time when being paid, and can realize the anti-theft while reducing the complexity of vehicle authentication under the non-wartime condition; meanwhile, the configurable anti-theft function is realized, the anti-theft mode can be forcibly exited under special conditions, and the failure of vehicle starting due to the failure of authentication when the anti-theft setting is abnormal is avoided.
The invention discloses a military off-road vehicle anti-theft control method, which adopts the technical scheme that:
judging the state of the vehicle, wherein the state comprises a normal state and an anti-theft state, when the vehicle is started in the anti-theft state, anti-theft authentication is required, the engine is allowed to be started only if the authentication is passed, and a daily anti-theft mode and a wartime anti-theft mode are arranged in the anti-theft state;
the authentication periods of the daily anti-theft mode and the wartime anti-theft mode are different, and the authentication period in the daily anti-theft mode is larger than that in the wartime anti-theft mode. Daily anti-theft mode
Preferably, the authentication is password authentication.
Preferably, if the authentication is successful, the authentication flag bit is a first value;
and if the authentication fails or the authentication succeeds but the time interval from the last authentication success reaches the authentication period set by the anti-theft mode, the authentication flag bit is a second value.
Preferably, when the vehicle is powered on, if the authentication flag bit is a first value, an engine start enabling signal is sent;
and when the vehicle is powered on, if the authentication flag bit is a second value, popping up an authentication window.
Preferably, the daily anti-theft mode and the wartime anti-theft mode are provided with n times of authentication opportunities in each authentication period, after authentication fails, the number of authentication failures is accumulated, if the authentication fails for n times, the vehicle is self-locked, and if the authentication succeeds for n times, the accumulated number of authentication failures in the current authentication period is reset.
Preferably, when the authentication window is popped up, the authentication window is sounded through a buzzer.
Preferably, the normal state and the anti-theft state are switched by long pressing the anti-theft key switch, and the default state is the normal state.
Preferably, when the vehicle is in the normal state, the vehicle can be started directly by a key.
Preferably, when the vehicle is in an anti-theft state, the anti-theft mode can be selected through the vehicle-mounted terminal, and the selectable anti-theft modes comprise a daily anti-theft mode and a wartime anti-theft mode.
Preferably, the authentication period of the daily anti-theft mode is 30 days, and the authentication period of the wartime anti-theft mode is 3 days.
Preferably, when the anti-theft mode is selected on the vehicle-mounted terminal, the password authentication is firstly passed, and the mode setting interface can be entered to select the anti-theft mode after the password authentication is passed.
Preferably, when the anti-theft period setting is performed on the vehicle-mounted terminal, password authentication is required to be performed first, the vehicle-mounted terminal can enter the mode setting interface to perform period setting after the password authentication is performed, the vehicle-mounted terminal sends the period parameters to the BCM after the setting is completed, and the BCM sets the timing parameters of the anti-theft period timer.
Preferably, when the key is inserted and the anti-theft timer overflows, the BCM sends an engine starting enabling signal and drives the buzzer to buzz to remind the user of anti-theft authentication.
Preferably, the password authentication is carried out on the vehicle-mounted terminal, and after the password authentication is passed, the BCM sends an engine starting enabling signal, so that the vehicle can be started; and if the password authentication fails for 3 times continuously, the vehicle-mounted terminal is automatically shut down.
Preferably, the password pre-stored in the password authentication is 000000, and the password can be refreshed and modified by an upper computer.
This scheme is a military use cross country vehicle anti-theft control system, and its technical scheme does, includes:
the anti-theft switch is used for activating or quitting the anti-theft state, and is switched to a normal state when the anti-theft state is quitted;
the switch detection module is used for detecting the state of the vehicle, wherein the state comprises a normal state and an anti-theft state;
the timer module is used for realizing the timing of an authentication period in a daily anti-theft mode or a wartime anti-theft mode and sending an overflow interrupt signal to the first MCU when the timer overflows;
the first MCU is used for sending an engine enabling signal to the engine controller when the key is inserted in a normal state; and in the anti-theft state, when the key is inserted and the overflow interruption signal is not received, sending an engine enabling signal to an engine controller; when the key is inserted and the overflow interrupt signal is received, sending an authentication signal to the vehicle-mounted terminal, and starting an enabling signal to the engine controller after receiving an authentication passing signal fed back by the vehicle-mounted terminal;
the vehicle-mounted terminal is used for realizing anti-theft mode setting and authentication period setting, executing user authentication after receiving the authentication signal sent by the first MCU, and feeding back an authentication passing or authentication failure signal to the first MCU according to an authentication result;
the anti-theft mode setting comprises setting an anti-theft mode to a daily anti-theft mode or a wartime anti-theft mode;
the authentication period is set to be the authentication period of a daily anti-theft mode and a wartime anti-theft mode.
Preferably, the system further comprises an upper computer, and the upper computer is used for modifying or flashing the authentication password stored in the vehicle-mounted terminal.
The invention has the beneficial effects that: the anti-theft authentication scheme under different environments is provided, and authentication is only needed to be carried out once every 30 days when the anti-theft authentication scheme is used in daily normal use (namely a daily anti-theft mode); during special activities such as wartime, authentication is required to be performed every 3 days. The complexity of vehicle authentication under non-special conditions is reduced, and meanwhile, the anti-theft effect can be realized. By adopting the password authentication mode, the unlocking tool can be prevented from being paid, and the method is safe and reliable. The user can set the authentication period according to the use characteristics of the user. By adopting a man-machine interaction authentication mode, self-locking is carried out after authentication fails, the vehicle (including a key) can be prevented from being stolen and locked, and the vehicle locking device is safe and reliable. The anti-theft function can be configured, when the man-machine interaction item of the vehicle-mounted terminal is abnormal, the anti-theft key can be pressed for a long time to exit an anti-theft mode, an alternative scheme is provided for starting a vehicle in an emergency, and an emergency effect is achieved. And simultaneously provides the user with the choice whether to prevent burglary.
Drawings
FIG. 1 is a schematic control flow diagram of an anti-theft control method for military off-road vehicles according to the present invention;
FIG. 2 is a schematic diagram illustrating an authentication flag determination process according to the present invention;
FIG. 3 is a schematic view illustrating a vehicle anti-theft state switching process according to the present invention;
FIG. 4 is an authentication flow chart of the present invention under the anti-theft state;
FIG. 5 is a schematic diagram of the module connection of the anti-theft control system for military off-road vehicle according to the present invention.
In the figure: 100-switch system, 3.1-ignition lock switch, 3.2-anti-theft switch, 101-BCM, 1.1-timer module, 1.2-switch detection module, 1.3-drive module, 1.4, 4.1-CAN module, 1.5-MCU, 102-engine control system, 2.1-CAN module, 103-buzzer, 104-vehicle terminal, 4.2-IO port, 4.3-display screen, 105-upper computer
Detailed Description
The invention will be further described in detail with reference to the following drawings and specific examples, which are not intended to limit the invention, but are for clear understanding.
As shown in fig. 1, the control flow of the anti-theft control method for military off-road vehicles is as follows:
and judging the anti-theft mode of the vehicle, wherein the anti-theft mode comprises a daily anti-theft mode and a wartime anti-theft mode. The daily anti-theft mode and the wartime anti-theft mode are preset anti-theft modes, and the difference between the daily anti-theft mode and the wartime anti-theft mode is the difference of an authentication period, wherein the authentication period set in the daily anti-theft mode is greater than the authentication period set in the wartime anti-theft mode. In this embodiment, the authentication period of the daily anti-theft mode is set to 30 days, and the authentication period of the wartime anti-theft mode is set to 3 days.
When the vehicle is in the daily anti-theft mode, the authentication is carried out according to the authentication period set in the daily anti-theft mode;
when the vehicle is in the wartime anti-theft mode, the vehicle is authenticated in the authentication period set by the wartime anti-theft mode.
The authentication mode of the vehicle is password authentication, the user is prompted to input the password by popping up an authentication window on the display screen, if the password is correct, the authentication is passed, and if the password is wrong, the authentication is failed. Besides the password authentication mode mentioned in the scheme, authentication can be carried out through a PIN code and other modes, and any mode independent of biometric authentication or key and other tool authentication can be adopted.
The scheme sets an authentication flag bit for judging the authentication state, for example, sets authentication flag bits 1 (i.e. a first value) and 0 (i.e. a second value). If the authentication is successful, the authentication flag bit is 1, and if the authentication fails, or if the authentication succeeds but the time interval from the last authentication success reaches the authentication period set by the anti-theft mode, the authentication flag bit is 0.
As shown in fig. 2, when the vehicle is powered on, the authentication flag bit is determined, and if the authentication flag bit is 1, an engine start enabling signal is sent; when the vehicle is powered on, if the authentication zone bit is 0, an authentication window pops up, and buzzing prompts a user to input a password. In addition, an authentication window can pop up on the display screen when the computer is started for the first time in each anti-theft mode period, and after a user inputs a password for authentication, the user pops up 'authentication is passed and can be started' on the screen; after the user fails to input the password authentication, the screen prompts the user to output the password again for authentication.
The daily anti-theft mode and the wartime anti-theft mode are provided with n times of authentication opportunities in each authentication period, after authentication fails, the authentication failure times are accumulated, if the authentication fails for n times, the vehicle is self-locked, and if the authentication succeeds within n times, the accumulated authentication failure times in the current authentication period are reset. In this embodiment, n is 3.
As shown in FIG. 2, the anti-theft function of the scheme can be configured, when the man-machine interaction item of the vehicle-mounted terminal is abnormal, the anti-theft key can be pressed for a long time to exit the anti-theft mode, an alternative scheme is provided for starting the vehicle in an emergency, and an emergency effect is achieved. And simultaneously provides the user with the choice whether to prevent burglary.
As shown in fig. 3, when the key is inserted, if the key is in the authentication period, the vehicle is started effectively, the vehicle can be started directly by the key, and the authentication period timer is overloaded. When the key is inserted, if the authentication period is exceeded, a buzzing prompt is given on the vehicle-mounted terminal, and an authentication prompt frame is popped up;
when the password input authentication is passed, the vehicle can be started; when the password input authentication fails, the vehicle authentication failure is prompted.
As shown in fig. 5, a military off-road vehicle antitheft control system includes a switch system 100, a BCM 101, an engine control system 102, a buzzer 103, a vehicle-mounted terminal 104, and an upper computer 105.
The switch system 100 comprises an ignition lock switch 3.1 and an anti-theft switch 3.2, two ends of the switch are respectively connected with a BAT + interface and a BCM interface, a suspension state is achieved when a gear is invalid, and a high level is achieved when the gear is valid. The two ends of the anti-theft switch 3.2 are respectively connected with the GND interface and the BCM interface, the gear is in a suspended state when invalid, and the gear is in a low level when valid.
The body controller BCM 101 includes:
timer module 1.1: in the anti-theft mode, the timing of an anti-theft authentication period is realized, the first period of the invention is set as 30 days, and the second authentication period is set as 3 days;
the timing parameters are set by the vehicle-mounted terminal 104, and when the timing parameters sent by the vehicle-mounted terminal 104 are received, the BCM resets the timer and is activated;
and sending an overflow interrupt when the timer overflows, stopping the timer, and waiting for the BCM to activate the BCM again.
Switch detection module 1.2: the detection of the OFF gear of the ignition lock and the detection of the anti-theft switch are both normal electricity detection.
The vehicle defaults to be in a common state, when the condition that the anti-theft switch is effective and continuously lasts for 30s is detected, the vehicle enters an anti-theft mode, and the anti-theft mark is set to be 1;
when the vehicle is in an anti-theft state and is in a parking state, and when the anti-theft switch is detected to be effective and continuously lasts for 30s, the vehicle is switched from an anti-theft mode to a common state, and the anti-theft mark is set to be 0.
In the parking state, when an OFF gear is changed from invalid to valid, the BCM self-checks whether the vehicle anti-theft is activated or not:
when the vehicle anti-theft identification position is 0, the BCM sends an engine enabling signal to an engine controller EMS, and the engine is allowed to be started;
when the vehicle anti-theft identification position is 1:
if the timer does not overflow, the BCM sends an engine starting enabling signal to an engine controller EMS, and the engine is allowed to be started; if the timer overflows, the BCM sends an engine starting disabling signal to an engine controller EMS, the engine is not allowed to be started,
meanwhile, the buzzer 103 is controlled to buzz for 3 seconds through the driving module 1.3;
meanwhile, a wake-up signal (high level) is sent to the vehicle-mounted terminal through the driving module 1.3;
at the same time, an authentication signal is sent to the vehicle terminal 104 via the CAN module 1.4. When the BCM receives the post-authentication command, the BCM sends an engine enable signal to the engine controller 102, at which point the vehicle is allowed to be started.
The vehicle-mounted terminal 104 is powered on and can be awakened by the BCM terminal.
When the IO port 4.2 end receives the effective wake-up signal, the vehicle-mounted terminal 104 is started up, and an authentication interface is automatically popped up;
when the authentication is passed, the vehicle-mounted terminal 104 sends an authentication completion instruction to the BCM through the CAN module 4.1;
when the authentication fails, the display screen 4.2 prompts the user of the authentication error, please re-authenticate, and the current authentication opportunities are 3 times in total.
If the authentication fails for 3 times, the vehicle-mounted terminal 104 sends an authentication failure instruction to the BCM and automatically shuts down the BCM;
the in-vehicle terminal 104 is automatically turned off for 1 day, during which no response is made to the outside.
In the anti-theft state, when the period setting and the anti-theft mode selection are carried out, the password verification is required, and the setting is allowed only after the verification is passed.
The engine control system 102: the method is used for controlling starting and stopping of the vehicle. When the engine is started, if an engine starting enabling signal sent by the BCM end is received, starting the engine;
and if an engine starting incapability signal sent by the BCM end is received, the engine cannot be started.
An upper computer 105: the anti-theft authentication password stored in the vehicle-mounted terminal 104 is modified and written by the upper computer 105.
Besides the password authentication mode mentioned in the scheme, authentication can be performed through a PIN code and other modes, and any mode which does not depend on biometric authentication or key and other tool authentication can be adopted.
Details not described in this specification are within the skill of the art that are well known to those skilled in the art.
Claims (15)
1. A military off-road vehicle anti-theft control method is characterized in that: comprises that
Judging the state of the vehicle, wherein the state comprises a normal state and an anti-theft state, when the vehicle is started in the anti-theft state, anti-theft authentication is required, only if the authentication is passed, the engine is allowed to be started, and a daily anti-theft mode and a wartime anti-theft mode are arranged in the anti-theft state;
the authentication periods of the daily anti-theft mode and the wartime anti-theft mode are different, and the authentication period in the daily anti-theft mode is longer than that in the wartime anti-theft mode;
if the authentication is successful, the authentication flag bit is a first value;
if the authentication fails, or the authentication succeeds but the time interval from the last authentication success reaches the authentication period set by the anti-theft mode, the authentication flag bit is a second value;
when the vehicle is powered on, if the authentication zone bit is a first value, an engine starting enabling signal is sent;
and when the vehicle is powered on, if the authentication flag bit is a second value, popping up an authentication window.
2. The anti-theft control method for military off-road vehicles according to claim 1, characterized in that: the authentication is password authentication.
3. The anti-theft control method for military off-road vehicles according to claim 1, characterized in that: the daily anti-theft mode and the wartime anti-theft mode are provided with n times of authentication opportunities in each authentication period, after authentication fails, the number of authentication failures is accumulated, if the authentication failures occur in n times, the vehicle is subjected to self-locking, and if the authentication fails in n times, the accumulated number of authentication failures in the current authentication period is reset.
4. The anti-theft control method for military off-road vehicles according to claim 1, characterized in that: when the authentication window is popped up, the buzzer buzzes to remind.
5. The anti-theft control method for military off-road vehicles according to claim 1, characterized in that: the normal state and the anti-theft state are switched by pressing the anti-theft key switch for a long time, and the default state is the normal state.
6. The anti-theft control method for military off-road vehicles according to claim 1, characterized in that: when the vehicle is in the normal state, the vehicle can be started directly by the key.
7. The anti-theft control method for military off-road vehicles according to claim 1, characterized in that: when the vehicle is in an anti-theft state, the anti-theft mode can be selected through the vehicle-mounted terminal, and the anti-theft mode comprises a daily anti-theft mode and a wartime anti-theft mode.
8. The anti-theft control method for military off-road vehicles according to claim 1, characterized in that: the authentication period of the daily anti-theft mode is 30 days, and the authentication period of the wartime anti-theft mode is 3 days.
9. The anti-theft control method for military off-road vehicles according to claim 7, characterized in that: when the anti-theft mode is selected on the vehicle-mounted terminal, password authentication is required to pass, and the mode setting interface can be accessed to select the anti-theft mode after the password authentication passes.
10. The anti-theft control method for military off-road vehicles according to claim 7, characterized in that: when the anti-theft period setting is carried out on the vehicle-mounted terminal, password authentication is required to be passed first, the vehicle-mounted terminal can enter a mode setting interface to carry out period setting after the password authentication is passed, the vehicle-mounted terminal sends the period parameters to the BCM after the setting is finished, and the BCM sets the timing parameters of the anti-theft period timer.
11. A military off-road vehicle anti-theft control method according to claim 10, wherein: when the key is inserted and the anti-theft timer overflows, the BCM sends an engine starting enabling signal, and meanwhile, the buzzer is driven to buzz to remind a user of anti-theft authentication.
12. The anti-theft control method for military off-road vehicles according to claim 10, characterized in that: the password authentication is carried out on the vehicle-mounted terminal, and after the password authentication is passed, the BCM sends an engine starting enabling signal, so that the vehicle can be started; and if the password authentication fails for 3 times continuously, the vehicle-mounted terminal is automatically shut down.
13. The anti-theft control method for military off-road vehicles according to claim 10, characterized in that: the password pre-stored in the password authentication is 000000, and the password can be refreshed and modified by an upper computer.
14. The utility model provides a military cross country vehicle anti-theft control system which characterized in that: comprises that
The anti-theft switch is used for activating or quitting the anti-theft state, and is switched to a normal state when the anti-theft state is quitted;
the switch detection module is used for detecting the state of the vehicle, wherein the state comprises a normal state and an anti-theft state;
the timer module is used for realizing authentication cycle timing in a daily anti-theft mode or a wartime anti-theft mode and sending an overflow interrupt signal to the first MCU when the timer overflows;
the first MCU is used for sending an engine enabling signal to the engine controller when the key is inserted in a normal state; and in the anti-theft state, when the key is inserted and the overflow interrupt signal is not received, sending an engine enabling signal to the engine controller; when the key is inserted and the overflow interrupt signal is received, sending an authentication signal to the vehicle-mounted terminal, and starting an enabling signal to the engine controller after receiving an authentication passing signal fed back by the vehicle-mounted terminal;
the vehicle-mounted terminal is used for realizing the setting of an anti-theft mode and an authentication period, executing user authentication after receiving an authentication signal sent by the first MCU, and feeding back an authentication passing or authentication failure signal to the first MCU according to an authentication result;
the anti-theft mode setting comprises setting an anti-theft mode to a daily anti-theft mode or a wartime anti-theft mode;
the authentication period is set to be the authentication period of a daily anti-theft mode and a wartime anti-theft mode.
15. A military off-road vehicle antitheft control system as defined in claim 14 wherein: the vehicle-mounted terminal further comprises an upper computer, and the upper computer is used for modifying or flashing the authentication password stored in the vehicle-mounted terminal.
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| CN102393888B (en) * | 2011-07-21 | 2015-04-22 | 广州汽车集团股份有限公司 | ECU (Electric Control Unit) security access processing method |
| CN104163158B (en) * | 2013-05-15 | 2016-01-20 | 广州汽车集团股份有限公司 | Remote vehicle control method and system thereof and the vehicle of Long-distance Control can be realized |
| CN109204228B (en) * | 2018-08-08 | 2020-08-25 | 威马智慧出行科技（上海）有限公司 | Vehicle start management method, electronic device, and storage medium |
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