TWI480454B - Wireless lock device and operating method thereof - Google Patents

Description

Wireless key device and operation method

The invention relates to a wireless key device and an operation method. In particular, the unlocking password is set by using the movement track of the wireless key and the unlocking password is input to open the electrical locking unit to unlock.

The key has the advantage of being easy to use, so it has been the most widely used access control device for a long time. With the advancement of technology, the industry has developed a variety of key systems, including traditional mechanical lock to electromagnetic brake lock, and utilization. Electronic lock for wafer sensing and biometric identification.

Traditional mechanical locks are widely used in daily life, and the concept of use is widely accepted and easily obtained on the market. However, traditional mechanical locks have mechanical wear problems, and keys and keyholes will be used for a long time. The resulting wear and tear creates problems that cannot be easily opened, and the traditional way in which a key corresponds to a door lock often causes inconvenience for people to carry a string of keys with them. In particular, the conventional key engraves the unlocking code on the key body in the form of a concave and convex shape, so that it can be easily copied and has security concerns.

The electromagnetic induction type magnetic card or chip directly burns the unlocking password on the key body, so the user only needs to swipe the card or close to the door end receiver to unlock, and has the convenience of operation in use, but the door lock system Most of them use a wafer corresponding to a door lock to achieve the problem of reducing the amount of key carry. In addition, although one wafer carries a plurality of sets of passwords corresponding to the plurality of door locks, since the key has an unlock code, it is difficult to reduce the risk of copying and stealing.

The way to use the numeric keypad to enter a password may result in mechanical loss like a traditional key, which makes the password difficult to input, and each door lock needs to be equipped with a keyboard interface, resulting in increased costs and reduced product competitiveness. Biosensing key that uses biometric features such as fingerprints, voice prints, pupils or faces, although it is extremely secure The advantages, but the cost is very expensive and not conducive to the general livelihood, so it is difficult to gain popularity.

Therefore, there is a need for a wireless key device and method of use that can reduce the risk of losing a key, reduce the number of key carry-on, and reduce the weight of the carried item, thereby solving the above-mentioned problems of the prior art.

The main object of the present invention is to provide a wireless key device including a wireless key, a wireless unlocking device, an electrical locking unit and a receiving end power supply unit, and the receiving end power supply unit supplies power to the wireless unlocking device and the electrical locking unit, and the wireless unlocking device The electrical locking unit is electrically connected, and can be disposed on the door panel, the window, the fence, and the user unlocks the password by using the wireless key to set the unlocking password or controls the wireless unlocking device to open the electrical locking unit to realize the wireless setting unlocking password. Processing and wireless unlock processing.

The wireless key comprises an oscillator, at least one button, a transmitting antenna unit, a transmitting end power unit and a key housing, the button is arranged on the key housing, and the key housing covers the oscillator, the transmitting antenna unit and the transmitting end power unit, and the transmitting end power unit The power is supplied to the oscillator, and the button is electrically connected to the oscillator and the transmitting antenna unit. The oscillator generates a high-frequency oscillation signal, and the high-frequency oscillation signal can be transmitted to the transmitting antenna unit by pressing the button, thereby generating and transmitting the wireless signal.

The wireless unlocker comprises a receiving controller, a plurality of receiving antenna units and a protective casing, the protective casing covers the receiving controller and the receiving antenna unit, the receiving controller electrically connects the receiving antenna units, and the power is supplied by the receiving end power unit . The receiving controller receives the wireless signal from the transmitting antenna unit according to the receiving antenna unit to perform wireless setting unlocking password processing or wireless unlocking processing, and is performed by the user pressing the button of the wireless key multiple times and simultaneously aligning the receiving antenna units with a specific movement Trajectory Set or enter the unlock password by moving the wireless key.

Another object of the present invention is to provide a method for operating a wireless key device, comprising: step S10, determining, by the receiving controller, whether a button of the wireless key is pressed for the set time, and if the button is not pressed past the set time , the step S10 is continued, and if the button has been pressed for the set time, the process goes to step S20; in step S20, the receiving controller of the wireless unlocker enters the setting mode; and in step S30, the wireless key is used by the user. Aligning the receiving antenna units and moving the wireless key with a specific movement trajectory while pressing the button once for each receiving antenna unit, and the receiving controller determines the receiving antenna unit of the strongest receiving signal, and at different times The receiving antenna unit having the strongest signal sequentially forms a pattern as an unlocking password, and the receiving controller stores the unlocking password; in step S40, the receiving controller determines whether the button of the wireless key has not been pressed through the setting. Time, and if the button of the wireless key has not been pressed for the set time, then Step S50, and if the button of the wireless key has been pressed for the set time, return to the step S10; in step S50, the receiving controller of the wireless unlocker enters the unlock mode; in step S60, the user moves with a specific movement Traversing the wireless key, pressing the button once for each of the aligned receiving antenna units, thereby inputting an unlocking password, and receiving, by the receiving controller, the unlocking password input by the user via the receiving antenna unit; Step S70, the receiving controller determines whether the unlocking password input by the user matches the unlocking password that has been previously set and stored, and if so, the receiving controller generates an unlocking signal to drive and open the electrical locking unit. And if not, return to step S40.

Therefore, the wireless key device and the using method of the present invention can enable the user to wirelessly set the unlocking password or unlock, especially the wireless trajectory as the unlocking password, providing a very convenient use manner.

The embodiments of the present invention will be described in more detail below with reference to the drawings and the <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt;

Referring to the first figure, a schematic diagram of a wireless key device of the present invention. As shown in the first figure, the wireless key device of the present invention comprises a wireless key 10, a wireless unlocking device 20, an electrical locking unit 30 and a receiving end power supply unit 40, wherein the wireless unlocking device 20 is electrically connected to the electrical locking unit 30, the receiving end The power unit 40 includes a battery or a mains, and can supply power to the wireless unlocker 20 and the electrical latch unit 30, and the wireless unlocker 20 and the electrical latch unit 30 can be disposed on the door panel, the window, and the fence (not shown). And the user unlocks the wireless unlocker 20 by using the wireless key 10 to set the unlock password or controls the wireless unlocker 20 to open the electrical lock unit 30 to implement wireless setting unlock password processing and wireless unlock processing.

The wireless key 10 includes an oscillator 11, at least one button 13, a transmitting antenna unit 15, a transmitting end power unit 17, and a key housing (not shown), wherein the button 13 is disposed on the key housing, and the key housing covers the oscillator 11 The transmitting antenna unit 15 and the transmitting terminal power unit 17 provide protection. The transmitting terminal power unit 17 includes a battery for supplying power to the oscillator 11, and the button 13 electrically connects the oscillator 11 and the transmitting antenna unit 15. The oscillator 11 generates a high frequency oscillation signal, such as 2.4 GHz, and the button 13 can be pressed by the user to transmit the high frequency oscillation signal of the oscillator 11 to the transmitting antenna unit 15, and the transmitting antenna unit 15 generates and transmits the wireless signal S. Therefore, the user can press the button 13 a plurality of times to cause the wireless signal S transmitted by the transmitting antenna unit 15 to be an amplitude modulation signal with On/Off Keying (OOK), as shown in the second figure. The waveform of the wireless key 10 in the wireless key device is invented, and the interval indicated by the symbol "ON" in the second figure is the high frequency oscillation signal from the oscillator 11 when the button 13 is pressed, and the symbol "OFF" The indicated interval is the ground signal that does not oscillate when the button 13 is released.

The wireless unlocker 20 includes a receiving controller 23, a plurality of receiving antenna units 25, and a protective casing (not shown), wherein the protective casing covers the receiving controller 23 and the receiving antenna units 25, and the receiving controller 23 is electrically connected. The receiving antenna unit 25 is supplied with power from the receiving end power supply unit 40 to the receiving controller 23.

In order to more clearly illustrate the technical features of the present invention, please refer to the third figure, a schematic diagram of an application example of the wireless key device of the present invention. As shown in the third figure, the wireless unlocker 20 and the electrical latch unit 30 are disposed on the door panel 50. It may be on or in the surface of the door panel 50. The receiving antenna units 25 in the wireless unlocker 20 may be configured in any pattern, or may be arranged in an array, a stroke pattern, such as a letter "Z", a number "3", a polygonal star curve, a wave curve or a spiral curve. The third figure is an example of the letter "Z".

Each receiving antenna unit 25 can receive the wireless signal S from the transmitting antenna unit 15 and generate an individual receiving signal for transmission to the receiving controller 23, and the wireless signal S is an amplitude modulation signal having a key shift, and each The receiving signal generated by the receiving antenna unit 25 has different signal strengths depending on the receiving position, and the receiving controller 23 has a peak detecting, amplifying and Schmitt trigger function for converting the receiving signal of the receiving antenna unit 25. The digital logic signal is such that the receiving controller 23 can perform wireless setting unlocking password processing or wireless unlocking processing according to the receiving signal of each receiving antenna unit 25.

Specifically, when the button 13 is pressed by the user for a preset set time, for example, a set time of 5 seconds, the receiving controller 23 enters the setting mode, ready to perform wireless setting unlocking password processing, and the user is placed in alignment at this time. The receiving antenna units 25 of the door panel 50 move the wireless key 10 with a specific movement trajectory L, such as a zigzag movement trajectory L, and press the button 13 once when each of the receiving trajectories L is received, At the same time, the receiving controller 23 determines the receiving antenna unit 25 capable of transmitting the strongest received signal, and therefore, the receiving antenna unit having the strongest signal at different times 25 The pattern formed in sequence can be used as an unlock password and the unlock password can be stored. For example, the receiving antenna unit 25 of the third diagram is configured in a zigzag shape, and if the user aligns the wireless key 10 with the door panel 50 and moves in a zigzag shape to form a moving trajectory L, while pressing each of the receiving antenna units 25 once, a button is pressed. 13, the receiving controller 23 can determine the user-set storage password is a zigzag pattern, and at the same time store the unlocking password, thereby completing the wireless setting unlocking password processing.

It should be noted that if the movement locus L is a glyph of the number "7", the unlock password is the pattern of the font 7, that is, the unlock password is determined by the movement locus L formed by one stroke. Therefore, for the receiving antenna unit 25 configured in an array manner, the moving trajectory L may be any pattern including a part of the receiving antenna units 25.

When the button 13 is pressed by the user and does not exceed the preset set time, the receiving controller 23 can enter the unlock mode in which the user moves the wireless key 10 by the movement trajectory L and presses the button 13 once for each receiving antenna unit 25, then The receiving controller 23 can receive the unlocking password input by the user by the receiving antenna unit 25, and if the input unlocking password is consistent with the unlocking password that has been previously set and stored, the receiving controller 23 generates an unlocking signal to drive and The electric lock unit 30 is opened to complete the wireless unlocking process.

The above-mentioned transmitting antenna unit 15 and/or the receiving antenna unit 25 can be realized by using a microstrip patch antenna, a monopole antenna or a dipole antenna, and the receiving controller 23 can utilize a microprocessor (MCU) and a central processing unit. (CPU), Programmable Logic Device (PLD), Programmable Array Logic (PAL), Generic Array Logic (GAL), or Field Programmable Gate Array (Field Programmable Gate Array, Implemented by FPGA).

The electric lock unit 30 can be an electronic lock driven by an AC power source with a voltage of 24 V and a load current of 0.8 A, and the electric lock unit 30 itself uses a relay control switch, which is merely an exemplary example, and the present invention Electrical locking unit 30 can Includes other electric drive type electronic locks.

In order to display the operating state of the wireless key device, the wireless key and/or the wireless unlocking device may further comprise at least one light emitting diode respectively, and respectively light up in different display manners when performing password setting and unlocking, for example, when setting a password. The light-emitting diode is illuminated in a blinking manner, and is illuminated in a full-bright manner when the lock is unlocked.

The method of operating the wireless key device of the present invention will be described in detail below.

Referring to the fourth figure, a schematic flowchart of a method for operating a wireless key device of the present invention. As shown in the fourth figure, the wireless key device operating method of the present invention includes steps S10 to S80, and the wireless key device includes the wireless key 10, the wireless unlocker 20, and the electrical lock as shown in the above first to third figures. The unit 30 and the receiving end power unit 40 are not described herein again.

First, the operation method of the wireless key device of the present invention is started by step S10, and the receiving controller determines whether the button of the wireless key has been pressed for a set time. If the button has not been pressed for a set time, the process proceeds to step S10, and if the button has been pressed When the set time elapses, the process proceeds to step S20, in which the receiving controller of the wireless unlocker enters the setting mode, and is ready to perform setting password processing. Then, in step S30, the unlock password is set, and the user aligns the wireless key with the receiving antenna unit, and moves the wireless key with a specific movement trajectory, and simultaneously presses the button for each receiving antenna unit, and is determined by the receiving controller. The receiving antenna unit that receives the strongest signal, and the pattern formed by the receiving antenna unit with the strongest signal at different times can be regarded as the unlocking password, and the receiving controller stores the unlocking password.

Next, in step S40, it is determined whether the button of the wireless key has not been pressed for a set time. If the button of the wireless key has not been pressed for a set time, the process proceeds to step S50, and if the button of the wireless key is pressed for a set time, then Go to step S10. In step S50, the receiving controller of the wireless unlocker enters the unlock mode and is ready to perform the unlocking process. Then, proceeding to step S60, the user utilizes the wireless key Entering an unlocking password, wherein the user moves the wireless key with a specific movement trajectory and presses a button on the aligned receiving antenna unit to input an unlocking password, and the receiving controller receives the user via the receiving antenna unit Enter the unlock password. Then, in step S70, the receiving controller determines whether the unlocking password input by the user matches the unlocking password that has been previously set and stored. If yes, the process proceeds to step S80, where the receiving controller generates an unlocking signal to drive and turn on the electrical The locking unit, if not, returns to step S40.

In summary, the present invention is characterized in that the wireless key device performs password setting and unlocking by using a wireless signal, so that the user only needs to use the same wireless key to set different unlocking passwords of different drawing patterns for different doors, thereby reducing carrying. The number of keys, and the password of the wireless key device itself is set by the user without carrying any password information. Therefore, the security of the key can be avoided, and even if the wireless key is lost, there is no need to worry. Improve the security of use.

In addition, the unlocking password of the geometric figure exists in the mind of the user, so the confidentiality is extremely high, especially the door can be opened without a big action painting, which can prevent others from cracking, and others are not easy to learn to imitate. Furthermore, although the wireless key requires a battery to be installed, since the power is not high and it is not continuously used, the power consumption is extremely low, and the use time can be extended.

The above is only a preferred embodiment for explaining the present invention, and is not intended to limit the present invention in any way, and any modifications or alterations to the present invention made in the spirit of the same invention. All should still be included in the scope of the intention of the present invention.

10‧‧‧Wireless Key

11‧‧‧Oscillator

13‧‧‧ button

15‧‧‧transmitting antenna unit

17‧‧‧transmitter power unit

20‧‧‧Wireless unlocker

23‧‧‧ Receiving controller

25‧‧‧Receiver antenna unit

30‧‧‧Electrical locking unit

40‧‧‧Receiver power unit

L‧‧‧Moving track

S‧‧‧Wireless signal

S10~S80‧‧‧Steps

The first figure shows a schematic diagram of the wireless key device of the present invention.

The second figure shows a waveform diagram of a wireless key in the wireless key device of the present invention.

The third figure shows a schematic diagram of an application example of the wireless key device of the present invention.

The fourth figure shows a schematic flow chart of the operation method of the wireless key device of the present invention.

10‧‧‧Wireless Key

11‧‧‧Oscillator

13‧‧‧ button

15‧‧‧transmitting antenna unit

17‧‧‧transmitter power unit

20‧‧‧Wireless unlocker

23‧‧‧ Receiving controller

25‧‧‧Receiver antenna unit

30‧‧‧Electrical locking unit

40‧‧‧Receiver power unit

S‧‧‧Wireless signal

Claims (9)

A wireless key device includes: a wireless key, including an oscillator, at least one button, a transmitting antenna unit, a transmitting power unit, and a key housing, wherein the button is disposed on the key housing, and the key housing Encapsulating the oscillator, the transmitting antenna unit and the transmitting end power supply unit, the transmitting end power supply unit supplies power to the oscillator, and the button electrically connects the oscillator and the transmitting antenna unit, and the oscillator is used to generate a high frequency oscillation signal, wherein the button is pressed by a user to transmit a high frequency oscillation signal of the oscillator to the transmitting antenna unit, and the transmitting antenna unit generates and transmits a wireless signal; and a wireless unlocking device includes a receiving control a plurality of receiving antenna units and a protective casing, wherein the protective casing encloses the receiving controller and the receiving antenna units, and the receiving controller electrically connects the receiving antenna units, and the receiving end power unit supplies power For the receiving controller, each receiving antenna unit receives a wireless signal from the transmitting antenna unit, Sending an individual receiving signal to the receiving controller, the receiving controller is configured to set an unlocking code or a wireless unlocking according to the receiving signal of each receiving antenna unit, wherein the receiving antenna units are arranged in a pattern or an array; An electrical latch unit electrically connecting the wireless unlocker; and a receiving end power unit including a battery or a mains supply for supplying power to the wireless unlocker and the electrical latch unit, wherein the receiving controller has peak detection And amplifying and Schmitt trigger function for converting the receiving signal of the receiving antenna unit into a digital logic signal, and when the receiving controller is pressed for a preset set time, the wireless key device Entering a setting mode in which the wireless key is aligned in the air with respect to the receiving antenna units to move on a specific trajectory, and is pressed at each position corresponding to the receiving antenna units on the specific trajectory Once the button is pressed, the receiving controller determines the receiving antenna unit capable of transmitting the strongest received signal, so that it has the strongest Received signals such that the radio receiving antenna unit in accordance with the key pressing time moves through the air in a sequence of the key record a wireless manner The specific track, and the pattern formed by the receiving antenna unit with the strongest signal is sequentially stored as an unlocking password; wherein when the button is pressed and does not exceed the set time, the wireless key device enters an unlock mode, In the unlock mode, the wireless key is moved in the air to the receiving antenna units to move by a movement trajectory, and the button is pressed once at each position corresponding to the receiving antenna units on the moving track, thereby transmitting the wireless Entering an unlock password in a manner that, when the receiving controller receives the movement track of the entered unlock code and matches the specific track of the set and stored unlock code, the receiving controller generates an unlock signal to drive and Open the electrical lock unit. The wireless key device of claim 1, wherein the wireless unlocker and the electrical lock unit are disposed on a door panel, a window or a fence. The wireless key device of claim 1, wherein the transmitting power supply unit comprises a battery. The wireless key device of claim 1, wherein the specific trajectory and the movement trajectory comprise a stroke pattern. The wireless key device of claim 1, wherein the wireless key and/or the wireless unlocking device further comprise at least one light emitting diode respectively for different lighting modes when setting a password and unlocking The lighting mode includes that the at least one light emitting diode is illuminated in a blinking manner when the password is set, and is illuminated in a full bright manner when the unlocking is performed. A wireless key device operating method for operating a wireless key device according to claim 1, wherein the wireless key device operating method comprises the following sequence Steps of performing: Step S10, determining, by the receiving controller, whether the button of the wireless key is pressed for the set time, and if the button is not pressed for the set time, continuing the step S10, and if the button has been After being pressed through the set time, the process proceeds to step S20; in step S20, the receiving controller of the wireless unlocker enters the setting mode; in step S30, the wireless key is aligned by the user to the receiving antenna units, and is in a specific trajectory Moving the wireless key in the air while pressing the button once for each receiving antenna unit on a particular track, and the receiving controller determines the receiving antenna unit that receives the strongest signal, so that the receiving antenna unit has the strongest receiving signal Recording the specific trajectory of the wireless key in the air in a wireless manner according to the time sequence of pressing the button, and sequentially forming the pattern formed by the receiving antenna units having the strongest signals as the unlocking password, and receiving and controlling The device stores the unlock password; in step S40, the receiving controller determines whether the button of the wireless key is After the set time is pressed, and if the button of the wireless key is not pressed for the set time, the process proceeds to step S50, and if the button of the wireless key has been pressed for the set time, the process returns to the step S10; S50, the receiving controller of the wireless unlocker enters an unlock mode; in step S60, the user moves the wireless key in the air with a specific movement track, and presses once at a position corresponding to each receiving antenna unit on the moving track. The button is configured to input an unlock password, and the receiving controller wirelessly receives the unlock password input by the user via the receiving antenna unit; and in step S70, the receiving controller determines the unlock password input by the user Whether the movement track matches the specific trajectory of the unlock code that has been previously set and stored. If it matches, the receiving controller generates an unlock signal to drive and open the electric lock unit, and if not, return to the Step S40. The wireless key device operating method according to claim 6, wherein the wireless unlocking device and the electrical locking unit are disposed on a door panel, a window or a fence. The wireless key device operating method according to claim 6, wherein the transmitting power supply unit comprises a battery. The wireless key device operating method according to claim 6, wherein the specific track and the moving track comprise a stroke pattern.