Electric vehicle coded lock anti-theft device and anti-theft method thereof
By designing an anti-theft device combining NFC password locks with mother and daughter cards on electric vehicles, the existing electric vehicle password locks are solved, resulting in theft and scrapping problems caused by the easy cracking and data copying of existing electric vehicle password locks, achieving higher electric vehicle safety performance and anti-theft strength.
Patent Information
- Application Number
- CN202311404238.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-10-26
- Publication Date
- 2025-04-29
AI Technical Summary
The password locks of existing electric vehicles are easily cracked, and data copying can lead to theft of electric vehicles, which cannot effectively ensure the safety of electric vehicles.
An electric vehicle password lock anti-theft device is designed, using an NFC password lock combined with the mother card and the daughter card. It is electrically connected with the electric vehicle controller and the alarm module through the anti-theft device to form an anti-theft system to ensure that the password data is copied and transmitted only when the mother card and the daughter card are used at the same time.
It effectively prevents the password data of the electric vehicle password lock from being copied and cracked, improves the safety performance and anti-theft strength of the electric vehicle, and ensures that the electric vehicle is not easily stolen.
Smart Images
Figure CN119898291A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the field of electric vehicles and relates to an anti-theft device, in particular to an electric vehicle password lock anti-theft device. Background Art
[0002] An electric vehicle is a type of electric vehicle that uses a battery to drive the motor. The electric drive and control system consists of a drive motor, a power supply, and a motor speed control device. The other devices of an electric vehicle are basically the same as those of an internal combustion engine. Depending on the maximum speed or motor power, it can be divided into an electric moped and an electric ordinary motorcycle.
[0003] However, electric vehicles are easy to be stolen, especially the batteries of electric vehicles, which are the main target of thieves due to their high value. Ordinary mechanical locks basically do not pose any obstacles to thieves, and the chance of theft is very high. In response to the above problems, existing electric vehicle manufacturers have produced a password lock for locking electric vehicles, but the password can still be cracked, and even the unlocking card used to unlock the password lock can be copied and the electric vehicle can be stolen. The safety of the electric vehicle cannot be guaranteed, and once the electric vehicle is stolen, it cannot be recovered. Summary of the invention
[0004] The purpose of the present invention is to provide an electric vehicle password lock anti-theft device to solve the above problems in the prior art.
[0005] The object of the present invention can be achieved by the following technical solutions: an electric vehicle password lock anti-theft device, comprising an electric vehicle body, an electric vehicle battery, an electric vehicle controller and an NFC password lock, characterized in that the NFC password lock is provided with an anti-theft device for preventing theft and cracking of password data, the NFC sealed lock is equipped with a mother card and a child card for controlling the opening and closing of the electric vehicle body, and the electric vehicle body is provided with an alarm module for anti-theft alarm sounding and vibration; The NFC password lock is installed in the electric vehicle body and connected to its electric vehicle controller, and controls the activities of the electric vehicle battery and the front and rear wheels of the electric vehicle body through the electric vehicle controller; The anti-theft device is electrically connected to the electric vehicle controller and the alarm module. The anti-theft device, the NFC sealed lock, the electric vehicle controller and the alarm module are electrically connected and cooperated to form an anti-theft system to prevent the electric vehicle body from being stolen.
[0006] In the above-mentioned electric vehicle password lock anti-theft device, the anti-theft device can effectively realize the copying and transmission of the password data of the NFC password lock, which can only be achieved when the mother card and the child card are used at the same time, effectively preventing the password data of the NFC password lock from being copied and deciphered.
[0007] In the above-mentioned electric vehicle password lock anti-theft device, the NFC password lock controls the opening and closing of the electric vehicle battery and the movement and locking of the front and rear wheels of the electric vehicle body by being electrically connected to the electric vehicle controller.
[0008] In the above-mentioned electric vehicle password lock anti-theft device, the alarm module will cause the electric vehicle body to vibrate and make a sound after the anti-theft device is triggered.
[0009] An anti-theft method for an electric vehicle password lock, characterized in that it comprises the following steps: S1: The electric vehicle can be unlocked and turned on by a mechanical key or by an NFC password lock; S2: After the electric vehicle is unlocked and turned on by the mechanical key, the electric vehicle control panel controls the alarm module to prevent theft. The vibration of the electric vehicle, the front and rear wheels, and the forced opening of the electric door will trigger the alarm module, thereby sounding an alarm, and the electric vehicle motor is locked at the same time; S3: Enter the initial password through the NFC password lock to enter the NFC password lock interface to unlock and start the electric vehicle, power on the NFC password lock and the electric vehicle controller, and reset the password; S4: After entering the initial password, enter the anti-theft device interface to copy and transfer the mother card data, and place the mother card on the card swiping area on the NFC password lock for data transmission and copying; S5: After the mother card data is transmitted and copied, the mother card is swiped to unlock the NFC password lock, thereby unlocking the electric vehicle body, and then the electric vehicle body is armed. The vibration of the electric vehicle body, the front and rear wheels, and the forced opening of the electric door will trigger the alarm module, thereby sounding an alarm, and the electric vehicle body motor is locked; S6: To add a sub-card, you need to enter the reset password into the NFC password lock and swipe the mother card to enter the sub-card adding interface before you can copy and transfer the sub-card data; S7: When entering the sub-card adding interface, you must enter with the mother card and the reset password, otherwise, data transmission and copying cannot be performed; S8: After the sub-card completes data copying and transmission, both the sub-card and the mother card are already in an encrypted state; S9: Unlock the NFC password lock by swiping the sub-card, thereby unlocking the electric vehicle body and setting up defenses. The vibration of the electric vehicle body, the movement of the front and rear wheels, and the forced opening of the ignition will trigger the alarm module, thereby sounding an alarm, and the electric vehicle body motor will be locked.
[0010] Compared with the prior art, the electric vehicle password lock anti-theft device and anti-theft method thereof have the following advantages: 1. An NFC password lock and anti-theft device are set on the main body of the electric vehicle. The anti-theft device structure can effectively prevent the data of the mother card and the child card from being stolen, thereby causing the problem of the electric vehicle being stolen; 2. Through the electric vehicle password lock anti-theft method, when copying and transmitting the sub-card data, it must be copied through the mother card and the reset password, which effectively prevents the password data of the NFC password lock from being stolen and improves the safety performance and anti-theft strength of the electric vehicle. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the system framework structure of the electric vehicle password lock anti-theft device.
[0012] Figure 2 The invention discloses a flow chart of an anti-theft method of the electric vehicle password lock anti-theft device. DETAILED DESCRIPTION
[0013] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
[0014] like Figure 1 , Figure 2 As shown, the electric vehicle password lock anti-theft device comprises an electric vehicle body, an electric vehicle battery, an electric vehicle controller and an NFC password lock, the NFC password lock is provided with an anti-theft device for preventing theft and cracking of password data, the NFC sealed lock is equipped with a mother card and a child card for controlling the opening and closing of the electric vehicle body, the electric vehicle body is provided with an alarm module for anti-theft alarm vibration, the NFC password lock is installed in the electric vehicle body and connected to its electric vehicle controller, and controls the activities of its electric vehicle battery and the front and rear wheels of the electric vehicle body through the electric vehicle controller, the anti-theft device is electrically connected to the electric vehicle controller and the alarm module, and the anti-theft device, the electric vehicle controller and the alarm module are electrically connected and cooperate to form an anti-theft system to prevent the electric vehicle body from being stolen.
[0015] Preferably, the anti-theft device can effectively realize the copying and transmission of the password data of the NFC password lock, which can only be achieved when the mother card and the child card are used at the same time, and effectively prevent the password data of the NFC password lock from being copied and deciphered.
[0016] Preferably, the NFC password lock controls the opening and closing of the electric vehicle battery and the movement and locking of the front and rear wheels of the electric vehicle body by being electrically connected to the electric vehicle controller. The alarm module will cause the electric vehicle body to vibrate and make sounds after triggering the anti-theft device.
[0017] An anti-theft method for an electric vehicle password lock comprises the following steps: S1: The electric vehicle can be unlocked and turned on by a mechanical key or by an NFC password lock; S2: After the electric vehicle is unlocked and turned on by the mechanical key, the electric vehicle control panel controls the alarm module to prevent theft. The vibration of the electric vehicle, the front and rear wheels, and the forced opening of the electric door will trigger the alarm module, thereby sounding an alarm, and the electric vehicle motor is locked at the same time; S3: Enter the initial password through the NFC password lock to enter the NFC password lock interface to unlock and start the electric vehicle, power on the NFC password lock and the electric vehicle controller, and reset the password; S4: After entering the initial password, enter the anti-theft device interface to copy and transfer the mother card data, and place the mother card on the card swiping area on the NFC password lock for data transmission and copying; S5: After the mother card data is transmitted and copied, the mother card is swiped to unlock the NFC password lock, thereby unlocking the electric vehicle body, and then the electric vehicle body is armed. The vibration of the electric vehicle body, the front and rear wheels, and the forced opening of the electric door will trigger the alarm module, thereby sounding an alarm, and the electric vehicle body motor is locked; S6: To add a sub-card, you need to enter the reset password into the NFC password lock and swipe the mother card to enter the sub-card adding interface before you can copy and transfer the sub-card data; S7: When entering the sub-card adding interface, you must enter with the mother card and the reset password, otherwise, data transmission and copying cannot be performed; S8: After the sub-card completes data copying and transmission, both the sub-card and the mother card are already in an encrypted state; S9: Unlock the NFC password lock by swiping the sub-card, thereby unlocking the electric vehicle body and setting up defenses. The vibration of the electric vehicle body, the movement of the front and rear wheels, and the forced opening of the ignition will trigger the alarm module, thereby sounding an alarm, and the electric vehicle body motor will be locked.
[0018] NFC password lock password reset (valid within 20 seconds after power-on): 1. Enter the initial password reset mode → 2. Enter the initial password to verify (enter the original password) → 3. Enter and save the new password.
[0019] Mother card: can be armed and disarmed, add sub-cards, and restore the password to factory settings. Each electric vehicle is equipped with 1 mother card when it leaves the factory, and 1 mother card can be added.
[0020] How to enter with mother card: In shutdown state → enter password → password is entered → automatically compare with the original password → when they are consistent (after one "Do Re Mi" sound) → automatically power on (the instrument lights up) → squeeze the brake twice (do not release the brake the second time) + long press the P gear → release the brake after hearing one "beep" → the speed bar displays "F0~F2" (0~2 current mother card) → enter the mother card learning mode; Place the card to be swiped in the card swiping area → 3 "beep-beep-beep" sounds → Card swiping is successful → Up to 2 consecutive cards (circular card swiping, the third card covers the first card); Exit method: ① Swipe the learned mother card → emit a "Do Re Mi" sound (return to power on), if there is no operation within 20 seconds to exit → emit a "Do Re Mi" sound (return to power on); Adding a mother card will delete all sub-cards except F1 (F1 is the first sub-card); The master card is an encrypted card and cannot be directly copied by the mobile phone.
[0021] Sub-card: can be armed or disarmed. Each electric vehicle is equipped with 1 sub-card when it leaves the factory, and up to 5 more sub-cards can be added.
[0022] Sub-card access method: In shutdown state → Enter password → After entering password → Automatically compare with original password → When they are consistent (after one "Do Re Mi" sound) → Automatically power on (the meter lights up) → Place the mother card in the card swiping area for ≥8s → Move it away after hearing one "beep", the speed bar displays "E0~E6" {current number of sub-cards (0~6)} → Enter sub-card learning mode; Student card mode: place the student card or Android phone in the card swiping area → 3 beeps → student card is successfully swiped → up to 5 consecutive student cards (circular student card, the 7th covers the 2nd); Apple mobile phone: hold the brake and long press P gear → place the learning device in the card swiping area → release the brake after 3 "beep-beep-beep" sounds → card learning is successful → automatically exit (≥2 devices need to add a sub-card again)} Exit method: ① Swipe the learned mother card → emit a "Do Re Mi" sound (return to power on); ② Exit without any operation within 10s → emit a "Do Re Mi" sound (return to power on); The sub-card is an encrypted card and cannot be directly copied by the mobile phone. The mobile phone can be used as a sub-card to learn the card.
[0023] Steps for locking, unlocking, powering on and off an electric vehicle: 1: Lock: Squeeze the brake (power on) → swipe the card → one beep → power off → automatically lock after 5 seconds, effective when the device is powered on (except when powered on with a mechanical key); 2: Power on: swipe the card (power off) → emit a "Do Re Mi" sound → the instrument lights up, and the power on is successful (valid with or without protection); 3: Power off A: Swipe the card (power on) → 1 "De-Remi" sound → NCF password lock interface goes off, power off is successful, and it is effective when the machine is turned on (except for mechanical key power on); 4: Power off B: Long press the power off button (i.e. P gear button) → release it after hearing a "de-remi" sound → the meter goes off, and the power off is successful. The power off is effective after 5s of starting the machine (except for starting the machine with a mechanical key).
[0024] Password operation (mechanical key closed) 1: Lock: After power off (within 15 seconds) → press the anti-theft key twice (i.e. the horn button) → one beep → automatically lock after 5 seconds (valid within 15 seconds after power off); 2: Power on: Enter the password first → After entering the password → Automatically compare with the original password → When they are consistent (after a "Do Re Mi" sound) → The main instrument of the electric vehicle lights up, and the power-on is successful (valid in both non-protection shutdown and protection); 3: Power off: long press the power off button (i.e. P gear button) → release it after hearing a "de-remi" sound → the meter goes off and the power is off. Power off is effective after 5 seconds of power on (except for mechanical key power on); 4: When entering the password, swipe the card once / if there is no operation within 35 seconds, the system will automatically exit with two beeps.
[0025] Remote control operation (optional) 1: Lock: Arm key (press once) → one beep → lock successfully; 2: Unlock: Unlock key (press once) → 2 beeps → unlock successfully; 3: Anti-robbery: The ignition switch has power (not alarm or remote control) → Arm button (long press) → Release after hearing the alarm → Lock the car and alarm {hold until → Release anti-robbery (press the unlock button once → emits 2 "beep-beep" sounds); 4: Power on: Press the power on button (twice in a row) → one “Do Re Mi” sound is emitted → the instrument lights up, and the power on is successful.
[0026] 5: Sensitivity: Power-on button {long press (no protection and no power)} → vibration sensitivity adjustment (press to the corresponding number of sounds and release) → the number of times is the level (1, 2, 3 levels) → level ↑ → sensitivity ↓ (default level 1).
[0027] 6: Power off: Unlock key (press once) → emit a "De-Remi" sound → the instrument goes off, and the power is off (the key can be used).
[0028] 7: Find the car: Unlock button (press twice in a row) → 4 consecutive "beep-beep-beep-beep" sounds → prompt the location.
[0029] Mechanical key operation {optional (power off with power off key / remote control unlock / effective after remote control power off)} 1: Lock: After power off (within 15 seconds) → press the anti-theft key {twice in a row (i.e. the horn button)} → one beep → automatically locks after 5 seconds (valid within 15 seconds after power off).
[0030] 2: Power on: The mechanical key is rotated from to → a "Do Re Mi" sound is emitted → the instrument lights up, and the power is successfully turned on {valid without security; NFC / password / remote control (locking or powering off) cannot be used in this state}.
[0031] 3: Power off: The mechanical key is rotated from to → a "De-Remi" sound is emitted → the instrument goes off, and the power is off successfully.
[0032] 4: Unlock: After the mechanical key is powered on (within 5 seconds) → press the anti-theft button {twice in a row (i.e. the horn button}} → the instrument lights up, and unlocking is successful (valid within 5 seconds after power-on).
[0033] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.
[0034] Although this article uses more professional terms in this field, it does not exclude the possibility of using other terms. These terms are used only to more conveniently describe and explain the essence of the present invention; interpreting them as any additional restrictions is contrary to the spirit of the present invention.
Claims
1. An electric vehicle password lock anti-theft device, comprising an electric vehicle body, an electric vehicle battery, an electric vehicle controller and an NFC password lock, characterized in that: The NFC password lock is equipped with an anti-theft device for preventing theft and cracking of password data. The NFC sealed lock is equipped with a mother card and a daughter card for controlling the opening and closing of the electric vehicle body. The electric vehicle body is equipped with an alarm module for anti-theft alarm sound and vibration; The NFC password lock is installed in the electric vehicle body and connected to its electric vehicle controller, and controls the activities of the electric vehicle battery and the front and rear wheels of the electric vehicle body through the electric vehicle controller; The anti-theft device is electrically connected to the electric vehicle controller and the alarm module. The anti-theft device, the NFC sealed lock, the electric vehicle controller and the alarm module are electrically connected and cooperated to form an anti-theft system to prevent the electric vehicle body from being stolen.
2. The electric vehicle password lock anti-theft device according to claim 1, characterized in that: The anti-theft device can effectively realize the copying and transmission of password data of the NFC password lock, which can only be realized when the mother card and the child card are used at the same time, and effectively prevent the password data of the NFC password lock from being copied and deciphered.
3. The electric vehicle password lock anti-theft device according to claim 1, characterized in that: The NFC password lock is electrically connected to the electric vehicle controller to control the opening and closing of the electric vehicle battery and the movement and locking of the front and rear wheels of the electric vehicle body.
4. The electric vehicle password lock anti-theft device according to claim 1, characterized in that: The alarm module will cause the electric vehicle body to vibrate and make noises after the anti-theft device is triggered.
5. An anti-theft method for electric vehicle password lock, characterized in that: The following steps are involved: S1: The electric vehicle can be unlocked and turned on by a mechanical key or by an NFC password lock; S2: After the electric vehicle is unlocked and turned on by the mechanical key, the electric vehicle control panel controls the alarm module to prevent theft. The vibration of the electric vehicle, the front and rear wheels, and the forced opening of the electric door will trigger the alarm module, thereby sounding an alarm, and the electric vehicle motor is locked at the same time; S3: Enter the initial password through the NFC password lock to enter the NFC password lock interface to unlock and start the electric vehicle, power on the NFC password lock and the electric vehicle controller, and reset the password; S4: After entering the initial password, enter the anti-theft device interface to copy and transfer the mother card data, and place the mother card on the card swiping area on the NFC password lock for data transmission and copying; S5: After the mother card data is transmitted and copied, the mother card is swiped to unlock the NFC password lock, thereby unlocking the electric vehicle body, and then the electric vehicle body is armed. The vibration of the electric vehicle body, the front and rear wheels, and the forced opening of the electric door will trigger the alarm module, thereby sounding an alarm, and the electric vehicle body motor is locked; S6: To add a sub-card, you need to enter the reset password into the NFC password lock and swipe the mother card to enter the sub-card adding interface before you can copy and transfer the sub-card data; S7: When entering the sub-card adding interface, you must enter with the mother card and the reset password, otherwise, data transmission and copying cannot be performed; S8: After the sub-card completes data copying and transmission, both the sub-card and the mother card are already in an encrypted state; S9: Unlock the NFC password lock by swiping the sub-card, thereby unlocking the electric vehicle body and setting up defenses. The vibration of the electric vehicle body, the movement of the front and rear wheels, and the forced opening of the ignition will trigger the alarm module, thereby sounding an alarm, and the electric vehicle body motor will be locked.