CN106274804A - Car key system and using method thereof - Google Patents

Abstract

A kind of car key system, including discharger and reception device.Discharger includes signal emission module, light source module, wireless charging receptor and wireless signal switching controller.Receive device and include optical signal transition components, signal receiving module, electric energy switching controller and wireless charging emitter.Signal emission module produces dim signal and controls the light source module generation optical signal with predetermined identity checking information.Optical signal transition components is used for converting optical signals to the signal of telecommunication.Signal receiving module for carrying out authentication to the signal of telecommunication, and controls vehicle unblock.Electric energy switching controller is used for converting electrical energy into electromagnetic signal and driving wireless charging emitter by electromagnetic signal transmission to wireless charging receptor.Wireless charging receptor sensing receive electromagnetic signal and couple generation electric energy be transferred to signal emission module and light source module.The present invention also provides for the using method of a kind of car key system.

Description

Vehicle key system and method of use thereof

technical field

The invention relates to the field of vehicle intelligence, in particular to an intelligent vehicle key system and a using method thereof.

Background technique

At present, the keys of vehicle door locks include mechanical keys and intelligent remote control keys. The mechanical key realizes pairing with the vehicle and anti-theft through the combination of different tooth shapes. The smart remote control key sends electromagnetic waves to the vehicle to unlock the vehicle by pressing the physical button.

However, the number of mechanical key combinations is limited, which may result in the same key tooth combination, thus losing the anti-theft effect; at the same time, once the mechanical key is obtained by others, the other person can easily unlock the vehicle and drive the vehicle away. The smart remote control key unlocks the vehicle by emitting radio waves. Since the radio waves are scattered and propagated, it is easy to cause the leakage of unlocking information and poor anti-theft performance. At the same time, with the development of wireless technology, there may be a variety of radio waves around the vehicle to be unlocked. , which interferes with the radio waves emitted by the smart remote control key, resulting in failure to unlock the vehicle.

Contents of the invention

In view of the above situation, it is necessary to provide a vehicle key system with better anti-theft performance and its usage method.

A vehicle key system includes a transmitting device and a receiving device. The transmitting device includes a signal transmitting module, a light source module, a wireless charging receiver and a wireless signal conversion controller. The receiving device includes an optical signal conversion component, a signal receiving module, a power conversion controller and a wireless charging transmitter. The signal transmitting module is used to generate a dimming signal and transmit the dimming signal to the light source module. The light source module is used to generate an optical signal with predetermined authentication information. The optical signal conversion component is used to convert the optical signal sent by the light source module into an electrical signal and transmit the electrical signal to the signal receiving module. The signal receiving module is used to authenticate the electric signal and control the unlocking of the vehicle. The power conversion controller is used to convert the power into an electromagnetic signal of predetermined frequency and drive the wireless charging transmitter. The wireless charging transmitter is used to transmit electromagnetic signals of a predetermined frequency to the wireless charging receiver. The wireless charging receiver is used to receive electromagnetic signals of a predetermined frequency and couple them to generate electric energy. The wireless signal conversion controller is used to control the wireless charging receiver and transmit electric energy to the signal transmitting module and the light source module.

A method for using a vehicle key system, comprising the following steps: a power conversion controller converts electric energy generated by a vehicle power supply into an electromagnetic signal of a predetermined frequency and controls a wireless charging transmitter to transmit the electromagnetic signal of a predetermined frequency to the outside; wireless charging receiving The sensor receives the electromagnetic signal of the predetermined frequency and couples it to generate electric energy, and the wireless signal conversion controller transmits the electric energy to the signal transmitting module and the light source module; the signal transmitting module generates a predetermined dimming signal and controls the light source module to generate a predetermined identity verification information The optical signal; the optical signal conversion component receives the optical signal emitted by the light source module and converts the optical signal into an electrical signal; the signal receiving module receives the electrical signal generated by the optical signal conversion component and performs identity verification on the electrical signal; the signal receiving module The unlocking module is controlled to unlock the vehicle.

The above-mentioned vehicle key system includes a signal transmitting module, the signal transmitting module generates a dimming signal and the control module emits an optical signal with predetermined identity verification information, and the signal receiving module of the receiving device can perform identity verification on the light signal, and then control The vehicle is unlocked. Therefore, the above-mentioned vehicle key system can use light signals to carry and transmit identity verification information. Light travels along a straight line, and vehicle unlocking information can only be obtained in the direction of light propagation, so the anti-theft performance of the vehicle is better. In addition, the vehicle key system also includes a wireless charging receiver and a wireless charging transmitter. The power conversion controller converts the electric energy of the vehicle power supply into an electromagnetic signal of a predetermined frequency. The wireless charging receiver receives the electromagnetic signal and couples it to generate electric energy for signal transmission. module and light source module. Therefore, the process of unlocking the vehicle consumes less energy.

Description of drawings

Fig. 1 is a structural frame diagram of a vehicle key system provided by an embodiment of the present invention.

Fig. 2 is a schematic flowchart of a method for using a vehicle key system provided by an embodiment of the present invention.

Description of main component symbols

vehicle key system 10 launcher 100 receiving device 200 Signal Transmitting Module 110 Light source module 120 wireless charging receiver 130 Wireless Signal Conversion Controller 140 modulation component 111 Signal Conversion Components 112 Optical Signal Conversion Components 210 Signal receiving module 220 unlock module 230 Power Conversion Controller 240 vehicle power 250 wireless charging transmitter 260 storage components 221 Signal Identification Components 222

The following specific embodiments will further illustrate the present invention in conjunction with the above-mentioned drawings.

detailed description

A vehicle key system provided by the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

Please refer to FIG. 1 , a vehicle key system provided by the present invention includes a transmitting device 100 and a receiving device 200 installed in a vehicle. The transmitting device 100 and the receiving device 200 communicate through optical signals. In this embodiment, the transmitting device 100 is a smart key.

The transmitting device 100 includes a signal transmitting module 110 , a light source module 120 , a wireless charging receiver 130 and a wireless signal conversion controller 140 .

The signal transmitting module 110 is used for modulating the optical signal so that the optical signal emitted by the light source module 120 carries predetermined identity verification information. In this embodiment, the signal transmitting module 110 includes a modulation component 111 and a signal conversion component 112 . The modulating component 111 is used for modulating to generate a predetermined input signal. It can be understood that the modulation component 111 includes a plurality of keys, and by triggering the plurality of keys, a predetermined input signal is generated. The signal conversion component 112 converts the input signal into a dimming signal, which is used to control the light source module 120 and make the light emitted by the light source module 120 carry predetermined identity verification information.

The light source module 120 is controlled by the signal emitting module 110 to emit light carrying predetermined identity verification information. In this embodiment, the light source module 120 includes a plurality of light emitting diodes, which emit visible light. On the one hand, the light emitted by the light source module 120 propagates along a straight line, and the unlocking information of the vehicle can only be obtained in the direction of light propagation, so the anti-theft performance of the vehicle can be effectively improved; on the other hand, the light emitted by the light source module 120 is visible light, which can It is used for lighting, so that it is convenient for users to find vehicles in a dark environment, and human eyes can perceive the intensity of visible light, so as to prevent the light source module 120 from emitting too strong light into human eyes and causing damage to human eyes.

The wireless charging receiver 130 inductively receives external electromagnetic signals for wireless charging, and couples to generate electric energy based on the principle of electromagnetic induction.

The wireless signal conversion controller 140 is used to control the wireless charging receiver 130, and transmit the power generated by the wireless charging receiver 130 to the signal transmitting module 110 and the light source module 120, so that the transmitting device 100 can work without its own power supply.

The receiving device 200 includes an optical signal conversion component 210 , a signal receiving module 220 , an unlocking module 230 , a power conversion controller 240 , a vehicle power supply 250 and a wireless charging transmitter 260 .

The optical signal conversion component 210 is used for receiving an optical signal and converting the optical signal into a predetermined electrical signal. Preferably, the optical signal conversion component 210 is usually used together with a condenser lens and a filter lens.

The signal receiving module 220 is used for receiving the electrical signal converted and generated by the optical signal converting component 210, and identifying and judging the electrical signal. The signal receiving module 220 includes a storage component 221 and a signal identification component 222 . The storage component 221 stores samples of predetermined identity verification information. The signal identification component 222 compares the received electrical signal generated by the optical signal conversion component 210 with samples of predetermined identity verification information stored in the storage component 221 . If the identity verification is successful, a control signal is sent to the unlocking module 230 to unlock the vehicle.

The unlocking module 230 is electrically connected with the signal receiving module 220 and is used for unlocking and locking the vehicle, including components such as a relay, a motor, and a tongue lock connected to the motor.

The electric energy conversion controller 240 is used to control the vehicle power supply 250, and convert the electric energy transmitted from the vehicle power supply 250 to the electric energy conversion controller 240 into a wireless signal.

The wireless charging transmitter 260 is used for sending an electromagnetic signal of a predetermined frequency to the wireless charging receiver 130 driven by the power conversion controller 240 . The wireless charging receiver 130 senses the electromagnetic signal of the predetermined frequency and couples it to generate electric energy, and the wireless signal conversion controller 140 transmits the electric energy to the signal transmitting module 110 and the light source module 120 . Therefore, the operation of the transmitting device 100 does not need to consume its own electric energy.

It can be understood that the wireless charging transmitter 260 is paired with the wireless charging receiver 130 to prevent other wireless charging receivers from stealing the electric energy of the vehicle.

In other implementations, the transmitting device 100 may further include a built-in battery (not shown in the figure), the built-in battery is electrically connected to the wireless signal conversion controller 140, and the wireless signal conversion controller 140 can transmit electric energy to the built-in battery.

In use, if the vehicle owner uses the vehicle key system for the first time, the light unlocking information sample needs to be created through the receiving device 200 and stored in the storage component 221 .

Please refer to Figure 2, if the owner has created a light unlocking information sample, the method of using the vehicle key system includes the following steps:

S101: The power conversion controller 240 converts the power generated by the vehicle power supply 250 into a wireless signal and controls the wireless charging transmitter 260 to transmit the wireless signal to the outside.

S102: The transmitting device 100 is close to the vehicle, and the wireless charging receiver 130 receives the electromagnetic signal of a predetermined frequency emitted by the wireless charging transmitter 260 and couples it to generate electric energy. The wireless signal converting controller 140 transmits electric energy to the signal transmitting module 110 and the light source module 120 .

S103: The modulation component 111 modulates to generate a predetermined input signal, and the signal conversion component 112 converts the input signal into a dimming signal to control the light source module 120 to emit light carrying predetermined identity verification information.

S104: The optical signal conversion component 210 receives the light emitted by the light source module 120 and converts the light signal into an electrical signal.

S105: The signal receiving module 220 receives the electrical signal generated by the optical signal conversion component 210 and performs identity verification on the electrical signal, and determines whether the verification is successful.

S106: If the verification is successful, the signal receiving module 220 controls the unlocking module 230 to unlock the vehicle, and the process ends.

S107: If the verification fails, it cannot be unlocked and an alarm signal is generated, and the process ends.

It can be understood that, if the transmitting device 100 itself is equipped with a battery, the above steps S101 and S102 can be omitted.

In the above vehicle key system, the signal transmitting module 110 of the transmitting device 100 includes a signal conversion component 112, which can convert the input signal into a dimming signal and control the light source module 120 to emit light carrying predetermined identity verification information. The signal receiving module 220 can authenticate the light signal, and then control the vehicle to unlock. Therefore, the above-mentioned vehicle key system can use optical communication identification technology to identify the identity of the vehicle owner, thereby unlocking the vehicle. Optical communication identification technology uses light to carry and transmit information. The light travels along a straight line, and the vehicle unlock information can only be obtained in the direction of light propagation, so the anti-theft performance of the vehicle is better; at the same time, the light emitted by the light source module 120 is visible light, which can be used For lighting, it is convenient for users to find vehicles in dark environments.

In addition, in the above-mentioned vehicle key system, the transmitting device 100 includes a wireless charging receiver 130, the receiving device 200 includes a wireless charging transmitter 260, and the electric energy of the vehicle power supply 250 is converted into an electromagnetic signal of a predetermined frequency through the electric energy conversion controller 240, and wireless charging The receiver 130 can sense the electromagnetic signal and couple it to generate electric energy. The wireless signal conversion controller 140 provides electric energy to the signal transmitting module 110 and the light source module 120 . Therefore, the process of unlocking the vehicle does not need to consume the power of the transmitting device 100 itself.

In addition, those skilled in the art can also make other changes within the spirit of the present invention. Of course, these changes made according to the spirit of the present invention should be included in the scope of protection claimed by the present invention.

Claims (10)

1. a car key system, including discharger and reception device, it is characterized in that: this discharger includes signal emission module, light source module, wireless charging receptor and wireless signal switching controller, this reception device includes optical signal transition components, signal receiving module, electric energy switching controller and wireless charging emitter；This signal emission module is used for producing dim signal and transmitting this dim signal to this light source module；This light source module is for producing the optical signal with predetermined identity checking information；This optical signal transition components for being converted to the signal of telecommunication and transmitting this signal of telecommunication to this signal receiving module by the optical signal that this light source module sends；This signal receiving module for carrying out authentication to this signal of telecommunication, and controls vehicle unblock；This electric energy switching controller is for converting electrical energy into the electromagnetic signal of preset frequency and driving this wireless charging emitter；This wireless charging emitter is used for the electromagnetic signal transmission of this preset frequency to this wireless charging receptor；This wireless charging receptor is for sensing the electromagnetic signal of this preset frequency and coupling generation electric energy；This wireless signal switching controller is used for controlling this wireless charging receptor and by this electric energy transmission to this signal emission module and this light source module.

2. car key system as claimed in claim 1, it is characterized in that: this signal emission module includes modulation component and signal conversion component, this modulation component produces predetermined input signal for modulating, and this signal conversion component is for being converted to predetermined dim signal by this input signal.

3. car key system as claimed in claim 1, it is characterised in that: this light source module includes that multiple light emitting diode, the light that the plurality of light emitting diode sends are visible ray.

4. car key system as claimed in claim 1, it is characterised in that: this signal receiving module includes storing assembly, and this storage assembly is for storing the sample of predetermined authentication information.

5. car key system as claimed in claim 4, it is characterized in that: this signal receiving module also includes that signal identifies assembly, this signal identifies the sample of assembly this signal of telecommunication for the generation of this optical signal transition components of comparison and this predetermined authentication information, and judges that authentication is the most successful.

6. car key system as claimed in claim 1, it is characterised in that: this reception device also includes Vehicular battery, and this Vehicular battery is for transmitting electric energy to this electric energy switching controller.

7. car key system as claimed in claim 1, it is characterised in that: this reception device also includes unlocked state, and this unlocked state electrically connects with this signal receiving module, for unlocking vehicle and locking.

8. car key system as claimed in claim 1, it is characterised in that: this discharger also includes the internal battery electrically connected with this wireless signal switching controller, and this wireless signal switching controller is additionally operable to transmit to this internal battery electric energy.

9. a using method for car key system, comprises the following steps:

The electric energy that vehicle power supply produces is converted to the electromagnetic signal of preset frequency and controls wireless charging emitter by the electromagnetic signal emitting of this preset frequency to extraneous by electric energy switching controller；

The sensing of wireless charging receptor receives the electromagnetic signal of this preset frequency and couples generation electric energy, and electric energy is transmitted to signal emission module and light source module by this wireless signal switching controller；

This signal emission module produces predetermined dim signal and controls this light source module generation optical signal with predetermined identity checking information；

Optical signal transition components receives optical signal that this light source module launches and this optical signal is converted to the signal of telecommunication；

Signal receiving module receives the signal of telecommunication of this optical signal transition components generation and this signal of telecommunication is carried out authentication；

This signal receiving module controls unlocked state and is unlocked vehicle.

10. the using method of car key system as claimed in claim 9, it is characterised in that further comprising the steps of: authentication failure, vehicle cannot be unlocked and produce alarm signal by unlocked state.