TWI727743B - Anti-theft device for vehicles - Google Patents

Abstract

An anti-theft device for vehicles includes a power supply unit connected to power and a controller connected to the power supply unit. The controller has a receiving module, a processing unit connected to the receiving module, and a release unit connected to the processing unit. The release unit is disposed between a start switch and a start module of a vehicle to control whether a start signal of the start switch is sent to the start module. Hence, the release unit can control the start signal of the start switch to be sent to the start module or not, and that allows the power supply to be maintained whether the anti-theft device is activated. Thus, the power supply of the vehicle can be maintained after the anti-theft device is activated to thereby attain the preferable anti-theft effect the convenience of use.

Description

Car anti-theft device

The invention relates to an anti-theft device, especially an anti-theft device for a vehicle.

The existing car anti-theft device technology mainly uses an anti-theft host, a speaker and a remote control, and the anti-theft host is equipped with a control device, a vibration trigger device, an audible alarm, and a wireless communication module. The remote control is used to pass the wireless communication module. The group controls the opening and closing of the main body of the anti-theft device, and when the vehicle senses that someone is moving or touching the vehicle after parking, the vibration triggering device will trigger the control device when the vibration is detected, and then make the main body of the anti-theft device The vibration triggering device of the vehicle, and then through the audible alarm to send out an audible warning signal to attract the attention of the surrounding environment and the owner of the car, thereby reducing the situation of thieves.

However, after actual use, it was discovered that through the direct connection of the remote control, the remote control has the problems of backup and easy copying, and its anti-theft effect is more likely to cause a difference in the anti-theft coefficient due to the remote control coding factor. This car is anti-theft. The device is mainly triggered by a vibration triggering device. In addition, the audible alarm is usually connected to an external installation. Therefore, the wiring is easily cut off during the process, which reduces the reliability of the anti-theft host, which needs to be improved; although there are some A circuit breaker controller will be installed in the main body of the anti-theft device to interrupt the vehicle and the power supply when the anti-theft state is turned on, so that the vehicle cannot be started normally due to the power interruption. However, it is easy to use the power interruption method. As a result, the engine computer of the vehicle is amnesticized. Every time the anti-theft host is activated, the engine computer needs to learn the driving state again every time it is turned on. In addition to preventing the vehicle from exerting its best performance, it needs to be improved.

Therefore, the object of the present invention is to provide an anti-theft device for a vehicle so that the power supply of the vehicle will not be interrupted during operation, avoid affecting the memory state of the vehicle, and effectively improve the reliability and convenience of anti-theft.

Therefore, the car anti-theft device of the present invention is mainly in that the controller of the car anti-theft device has a receiving module, a processing unit connected to the receiving module, and an unlocking device connected to the processing unit, and the aforementioned The unlocker is set between the start switch and the start module of a vehicle, and controls the conduction state of the start signal of the start switch and the start module; therefore, the unlocker is set between the start switch and the start module of the vehicle to control the conduction state of the start signal of the start switch and the start module. Control the start switch to transmit the start signal to the connection state between the start modules, instead of interrupting the power, so that the anti-theft device will not interrupt the power supply of the vehicle regardless of whether the anti-theft device is activated or not, so as to ensure that the vehicle is activated after the anti-theft device is activated. It can maintain the power connection state, effectively avoiding the influence of the engine computer of the vehicle, and at the same time, it can also maintain a better anti-theft effect and convenience of use.

The foregoing and other technical content, features, and effects of the present invention will be clearly understood in the following detailed description of the preferred embodiment with reference to the drawings.

Referring to Figure 1, a preferred embodiment of the present invention, the vehicle anti-theft device 3 is mainly installed on a vehicle 4, and in this embodiment, the vehicle 4 is illustrated by taking a motorcycle as an example, and the vehicle 4 has a A power supply 41, a starter motor 42 connected to the power supply 41, a starter module 43 connected to the starter motor 42, and a start switch 44 that transmits a start signal to the starter module 43; wherein the starter module In this embodiment, the group 43 has a start relay 431 connected to the starter motor 42, a brake switch group 432 connected to the start relay 431, and a main switch 433 connected to the brake switch group 432 and the power supply 41 ( Such as a key switch), and a fuse 434 between the main switch 433 and the power supply 41.

Continuing the foregoing, and in conjunction with FIG. 2, the car anti-theft device 3 has a power supply 31 that can be connected to the power supply 41, and a controller 32 connected to the power supply 31; wherein, the controller 32 There is a receiving module 321, a processing unit 322 connected to the receiving module 321, and an unlocker 323 connected to the processing unit 322, and the aforementioned unlocking device 323 is provided in the activation switch 44 and the activation module 43 That is, the start signal from the start switch 44 to the start relay 431 is controlled to be connected or interrupted; meanwhile, in this embodiment, the receiving module 321 can be a Bluetooth receiver, and the Bluetooth receiver can be equipped with For a handheld device A (such as a smart phone), the handheld device A can be controlled and unlocked.

Furthermore, the unlocker 323 can be further provided with a timing unit 324 at a proper time, and the timing unit 324 sets a timing time to maintain the activation signal of the activation switch 44 and the activation module 43 in a conductive connection state, which exceeds the timing. After time, the start signal of the start switch 44 and the start module 43 is in a non-conducting state, so that after the engine is turned off, the start motor 42 cannot be started and must be unlocked before it can be started again.

1 and 2, when the vehicle anti-theft device 3 of the present invention is installed, it finds the position between the start switch 44 and the start relay 431, and installs the unlocker 323 between the start switch 44 and the start relay 431, The unlocker 323 can control the connection state of the start signal between the start switch 44 and the start relay 431. In addition, the power of the power supply 41 can be connected to the power supply 31 to provide power for the vehicle anti-theft device 3. It can be easily installed and completed; in addition, when the user holds the handheld device A and the receiving module 321 is successfully connected, the handheld device A can send an unlock signal to the controller 32, and the processing unit 322 processes and receives Then the unlocker 323 is controlled to unlock, so that the connection between the start switch 44 and the start relay 431 is in a conducting state. Therefore, after the main switch 433 is turned on, the user can press the start switch 44 and press the The brake switch group 432 can make the signal of the starting relay 431 present a conducting state, so that the starting motor 42 can be operated to start the vehicle 4.

Continuing the foregoing, after the processing unit 322 controls the unlocker 323 to unlock after the processing unit 322 processes the comparison, the timing unit 324 will start timing. For example, when the timing unit 324 is set to a time of 300 seconds, the countdown returns to 300 seconds. After zero, the unlocker will be locked again, that is, the unlocker 323 can disconnect the start switch 44 and the start relay 431 during driving to achieve the automatic locking function, so when the user stops After that, there is no need to perform additional locking, or even if the main switch 433 is not turned off after the user stops (such as forgetting to remove the key), as long as the vehicle 4 is turned off, the start switch 44 is disconnected from the start relay 431 In this state, the starter motor 42 can no longer be started, so better anti-theft reliability and convenience of use can be achieved; in addition, because the unlocker 323 is provided with the start signal of the start switch 44 and the start module 43, Control the connection status of the start signal, instead of interrupting the power, so that the car anti-theft device 3 is installed or operated or not, the power supply of the vehicle 4 will not be interrupted, so as to ensure that the vehicle 4 is in the car anti-theft device 3 After starting, it can maintain the power connection state to avoid the record of other electrical devices (such as the trip computer) from being affected by the power failure, and to promote the installation of the car anti-theft device 3 will not cause the original electrical device to be affected, so as to achieve the convenience of use .

To summarize the foregoing, the anti-theft device for a vehicle of the present invention uses the unlocking device to set the activation signal of the activation switch and the activation module to control the connection state of the activation signal, instead of interrupting the power, so that the anti-theft device does not act The power supply of the vehicle will not be interrupted or not to ensure that the vehicle can maintain the power connection state after the anti-theft device is activated, and can achieve better anti-theft effect and convenience of use, so the object of the present invention can indeed be achieved.

However, what has been described above is only to illustrate the preferred embodiments of the present invention, and should not be used to limit the scope of implementation of the present invention, that is, simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the content of the description of the invention. , Should still fall within the scope of the invention patent.

[this invention] 3: Car anti-theft device 31: power supply 32: Controller 321: receiving module 322: Processing Unit 323: Unlocker 324: Timing Unit A: Handheld device 4: Vehicle 41: power supply 42: Start the motor 43: Startup module 44: Start switch 431: Start Relay 432: Brake Switch Group 433: Main Switch 434: Fuse

Figure 1 is a schematic circuit diagram of a preferred embodiment. Fig. 2 is a schematic diagram of the structure of a car anti-theft device of a preferred embodiment.

3: Car anti-theft device

31: power supply

32: Controller

321: receiving module

322: Processing Unit

323: Unlocker

324: Timing Unit

4: Vehicle

41: power supply

42: Start the motor

43: Startup module

44: Start switch

431: Start Relay

432: Brake Switch Group

433: Main Switch

434: Fuse

Claims (4)

A vehicle anti-theft device, which is mainly installed on a vehicle, the vehicle has a power supply, a starter motor connected to the power supply, a starter module connected to the starter motor, and a start signal to be transmitted to The start switch of the start module; it is characterized in that: the car anti-theft device includes a power supply connected to the power supply, and a controller connected to the power supply; wherein the controller has a receiving module, and The processing unit connected to the receiving module, and an unlocker connected to the processing unit, and the unlocker is arranged between the activation switch and the activation module, and controls the activation signal of the activation switch and the activation module to be turned on/ In the non-conducting state, the unlocking device is equipped with a timing unit, which sets a timing time to maintain the start signal of the start switch and the start module in a conductive state, and the start switch and the start mode after the timing time is exceeded The start signal of the group is in a non-conducting state. According to the first item of the scope of patent application, the vehicle anti-theft device, wherein the receiving module is a Bluetooth receiver. According to the second item of the scope of patent application, the car anti-theft device, wherein the Bluetooth receiver can be equipped with a handheld device to be controlled and unlocked through the device. The vehicle anti-theft device according to item 1 of the scope of patent application, wherein the start module has a start relay connected to the start motor, and a connection Connect the brake switch group of the starting relay, a main switch connecting the brake switch group and the power supply, and a fuse between the main switch and the power supply.

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