Anti-theft system of electric vehicle
By designing an electric vehicle anti-theft system containing plastic key pendants, signal transmitters and positioning signal receivers, the problem that the alarm system cannot be accepted by the car owner when the electric vehicle is parked outdoors is solved, and a timely reminder of illegal theft of electric vehicles is achieved and prevent.
Patent Information
- Application Number
- CN202421055181.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-15
AI Technical Summary
Electric vehicles are parked outdoors, and the owner is far away from the electric vehicle. The existing electric vehicle alarm system cannot be accepted by the owner. The electric vehicle will also trigger an alarm when it is accidentally touched, providing the owner with error information.
An electric vehicle anti-theft system is designed, including a plastic key hanging piece, a first housing and a second housing, and a button battery, a processor, a locator, a micro vibrator and a buzzer are installed inside. The system detects illegal operations through signal transmitters and positioning signal receivers, and alerts the owner with vibration and warning sounds when illegal theft is detected.
When an electric car is illegally stolen, the system can promptly remind the car owner to avoid misinformation caused by accidental touching the alarm, which improves the anti-theft safety of the electric car.
Smart Images

Figure CN222452404U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric vehicle anti-theft, in particular to an electric vehicle anti-theft system. Background Art
[0002] Electric vehicles, also known as battery vehicles, are pure electric vehicles powered by batteries (batteries) and driven by electric motors (DC, AC, series-excited, externally-excited). They are mainly used for sightseeing, patrolling, and transporting goods. The main purpose of electric sightseeing vehicles is to carry passengers and short-distance commuting in parks, scenic spots, leisure resorts, universities, hospitals, golf courses, real estate companies and other places;
[0003] Electric vehicles are usually parked in outdoor carports or parking spaces beside the road, so there is a risk of theft. Electric vehicles are generally equipped with an alarm system. When the alarm system is enabled, once the vehicle is collided or moved, the alarm system will emit a sharp and loud warning sound to attract the attention of pedestrians around and achieve the purpose of theft.
[0004] However, electric vehicles are parked outdoors and the owners are far away from the electric vehicles. The alarm prompt sound of existing electric vehicles cannot be accepted by the owners, and the electric vehicles will also trigger the alarm when they are accidentally touched, which will provide wrong information to the owners. Therefore, it does not meet the existing needs. We propose an electric vehicle anti-theft system. Utility Model Content
[0005] The purpose of the utility model is to provide an electric vehicle anti-theft system to solve the problems raised in the above-mentioned background technology that the electric vehicle is parked outdoors and the owner is far away from the electric vehicle, the alarm prompt sound of the existing electric vehicle cannot be accepted by the owner, and the electric vehicle will also trigger an alarm when it is accidentally touched, which will provide the owner with wrong information.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric vehicle anti-theft system, comprising a plastic key pendant, a first shell and a second shell, wherein a first button battery, a processor, a locator, a micro vibrator and a buzzer are installed inside the plastic key pendant, and the first button battery is connected to the processor, the locator, the micro vibrator and the buzzer through a wire, a signal transmitter is fixed inside the first shell and the second shell, a positioning signal receiver is also fixed inside the first shell, a vehicle lock connection line is fixed to one end of the positioning signal receiver, and a vehicle lock power connection line is fixed to the other end of the positioning signal receiver, a current sensor and a second button battery are also fixed inside the second shell, a negative pole connection line of an electric vehicle battery is fixed to one end of the current sensor, and a positive pole connection line of an electric vehicle battery is fixed to the other end of the current sensor.
[0007] Preferably, a protective shell is detachably installed on the upper surfaces of the first shell and the second shell, the car lock connection line is connected to the starting lock of the electric vehicle, and the car lock power connection line is connected to the power line of the starting lock of the electric vehicle.
[0008] Preferably, a wire is connected to one side of the end of the vehicle lock power connection line connected to the positioning signal receiver, and one end of the wire is connected to the signal transmitter inside the first shell.
[0009] Preferably, the signal transmitter inside the second shell is connected to the second button battery via a wire.
[0010] Preferably, the signal transmitter is electrically connected to the processor, the processor is electrically connected to the micro vibrator and the buzzer, the locator is electrically connected to the positioning signal receiver, and the positioning signal receiver and the current sensor are electrically connected to the signal transmitter.
[0011] Preferably, a connection slot is provided at one end of the plastic key pendant, and the plastic key pendant is installed on a starting key chain of the electric vehicle through the connection slot.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. When the electric vehicle is parked outdoors, an illegal person uses a tool to open the start lock of the electric vehicle, so that when the electric vehicle is powered on, the current will enter the second button battery through the power connection line of the lock, and the positioning signal receiver will start and detect whether there is a signal from the locator in the surrounding area. When the signal of the locator is not detected, the positioning signal receiver will feed back the signal to the processor inside the plastic key pendant through the signal transmitter. At this time, the processor will send a start signal to the micro vibrator and the buzzer. The micro vibrator and the buzzer are started at the same time, the micro vibrator emits a warning sound, and the buzzer drives the plastic key pendant to vibrate, and the vibration and warning sound are used to remind the owner of the vehicle, so as to provide a reminder to the owner at the first time when the vehicle is illegally stolen, so that the owner can take timely measures;
[0014] 2. In the utility model, when the electric vehicle lock is not activated but the battery of the electric vehicle is stolen, the illegal personnel will disconnect all the connecting wires on the battery of the electric vehicle. At this time, the current sensor will stop the internal current flow. At this time, the current sensor will feedback an electrical signal to the signal transmitter, and the signal transmitter will feedback the signal to the processor. At this time, the processor will send a start signal to the micro vibrator and the buzzer. The micro vibrator and the buzzer are started at the same time. The micro vibrator emits a warning sound, and the buzzer drives the plastic key pendant to vibrate, and the vibration and warning sound are used to remind the owner of the vehicle, so as to provide a reminder to the owner at the first time when the vehicle is illegally stolen, so that the owner can take timely measures. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a structural schematic diagram of the plastic key pendant of the utility model;
[0017] Figure 3 This is a schematic diagram of the structure of the first shell of the utility model;
[0018] Figure 4 It is a structural schematic diagram of the second shell of the utility model;
[0019] Figure 5 This is a schematic diagram of signal connection of the utility model.
[0020] In the figure: 1. Plastic key pendant; 2. First shell; 3. Second shell; 4. Protective shell; 5. Car lock connection line; 6. Car lock power connection line; 7. Electric vehicle battery positive connection line; 8. Electric vehicle battery negative connection line; 9. Connection slot; 10. First button battery; 11. Processor; 12. Positioner; 13. Micro vibrator; 14. Buzzer; 15. Current sensor; 16. Signal transmitter; 17. Second button battery; 18. Positioning signal receiver. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0022] like Figures 1 to 4 As shown, an anti-theft system for an electric vehicle is provided, wherein a first button battery 10, a processor 11, a locator 12, a micro vibrator 13 and a buzzer 14 are installed inside a plastic key pendant 1, the first button battery 10 is connected to the processor 11, the locator 12, the micro vibrator 13 and the buzzer 14 through a wire, a signal transmitter 16 is fixed inside the first shell 2 and the second shell 3, a positioning signal receiver 18 is also fixed inside the first shell 2, a vehicle lock connection line 5 is fixed at one end of the positioning signal receiver 18, and a vehicle lock power connection line 6 is fixed at the other end of the positioning signal receiver 18, a current sensor 15 and a second button battery 17 are also fixed inside the second shell 3, a negative pole connection line 8 of the electric vehicle battery is fixed at one end of the current sensor 15, and a positive pole connection line 7 of the electric vehicle battery is fixed at the other end of the current sensor 15.
[0023] A protective shell 4 is detachably installed on the upper surfaces of the first shell 2 and the second shell 3. The car lock connecting line 5 is connected to the starting car lock of the electric vehicle, and the car lock power connecting line 6 is connected to the power line of the starting car lock of the electric vehicle. A wire is connected to one side of the end where the car lock power connecting line 6 is connected to the positioning signal receiver 18, and one end of the wire is connected to the signal transmitter 16 inside the first shell 2.
[0024] The signal transmitter 16 inside the second housing 3 is connected to the second button battery 17 via a wire. A connecting slot 9 is provided at one end of the plastic key pendant 1 , and the plastic key pendant 1 is installed on the starting key chain of the electric vehicle via the connecting slot 9 .
[0025] like Figure 5 As shown, the signal transmitter 16 is electrically connected to the processor 11 , the processor 11 is electrically connected to the micro vibrator 13 and the buzzer 14 , the locator 12 is electrically connected to the positioning signal receiver 18 , and the positioning signal receiver 18 and the current sensor 15 are electrically connected to the signal transmitter 16 .
[0026] Working principle: When an electric vehicle is parked outdoors, an illegal person uses a tool to open the start lock of the electric vehicle, so that when the electric vehicle is powered on, the current will enter the second button battery 17 through the lock power connection line 6, and the positioning signal receiver 18 will start and detect whether there is a signal from the locator 12 in the surrounding area. When the signal of the locator 12 is not detected, the positioning signal receiver 18 will feed back the signal to the processor 11 inside the plastic key pendant 1 through the signal transmitter 16. At this time, the processor 11 will send a start signal to the micro vibrator 13 and the buzzer 14. The micro vibrator 13 and the buzzer 14 are started at the same time, the micro vibrator 13 emits a warning sound, and the buzzer 14 drives the plastic key pendant 1 to vibrate, and the vibration and warning sound are used to vibrate the vehicle. The owner is reminded that the vehicle has been illegally stolen. If the electric vehicle lock is not activated, but the battery of the electric vehicle is stolen, the illegal personnel will disconnect all the connecting wires on the battery of the electric vehicle. At this time, the current sensor 15 will stop the internal current flow. At this time, the current sensor 15 will feedback an electrical signal to the signal transmitter 16, and the signal transmitter 16 will feedback the signal to the processor 11. At this time, the processor 11 will send a start signal to the micro vibrator 13 and the buzzer 14. The micro vibrator 13 and the buzzer 14 are started at the same time. The micro vibrator 13 emits a warning sound, and the buzzer 14 drives the plastic key pendant 1 to vibrate, and the owner is reminded by vibration and warning sound, and the owner is reminded at the first time when the vehicle is illegally stolen, so that the owner can take timely measures.
[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.
Claims
1. An electric vehicle anti-theft system, comprising a plastic key pendant (1), a first housing (2) and a second housing (3), characterized in that: A first button battery (10), a processor (11), a locator (12), a micro vibrator (13) and a buzzer (14) are installed inside the plastic key pendant (1); the first button battery (10) is connected to the processor (11), the locator (12), the micro vibrator (13) and the buzzer (14) via a wire; a signal transmitter (16) is fixed inside the first shell (2) and the second shell (3); a positioning signal receiver (18) is also fixed inside the first shell (2); a vehicle lock connection line (5) is fixed to one end of the positioning signal receiver (18); a vehicle lock power connection line (6) is fixed to the other end of the positioning signal receiver (18); a current sensor (15) and a second button battery (17) are also fixed inside the second shell (3); a negative electrode connection line (8) of an electric vehicle battery is fixed to one end of the current sensor (15); and a positive electrode connection line (7) of an electric vehicle battery is fixed to the other end of the current sensor (15).
2. The electric vehicle anti-theft system according to claim 1, characterized in that: A protective shell (4) is detachably mounted on the upper surfaces of the first shell (2) and the second shell (3); the lock connection line (5) is connected to a starting lock of the electric vehicle; and the lock power connection line (6) is connected to a power line of the starting lock of the electric vehicle.
3. An electric vehicle anti-theft system according to claim 2, characterized in that: One side of the end of the vehicle lock power connection line (6) connected to the positioning signal receiver (18) is connected to a wire, and one end of the wire is connected to the signal transmitter (16) inside the first housing (2).
4. The electric vehicle anti-theft system according to claim 1, characterized in that: The signal transmitter (16) inside the second housing (3) is connected to the second button battery (17) via a wire.
5. The electric vehicle anti-theft system according to claim 1, characterized in that: The signal transmitter (16) is electrically connected to the processor (11), the processor (11) is electrically connected to the micro vibrator (13) and the buzzer (14), the locator (12) is electrically connected to the positioning signal receiver (18), and the positioning signal receiver (18), the current sensor (15) and the signal transmitter (16) are electrically connected.
6. The electric vehicle anti-theft system according to claim 1, characterized in that: A connection slot (9) is provided at one end of the plastic key pendant (1), and the plastic key pendant (1) is mounted on a starter key chain of an electric vehicle via the connection slot (9).