TWI472673B - Wireless sensor lock - Google Patents

Description

Wireless sensor lock

The present invention relates to a lock, and more particularly to a lock that utilizes contactless and wireless technology to identify and inductively control unlocking or latching.

In today's society, due to the long-term economic downturn in the domestic and foreign economies, the unemployment rate in the world continues to rise, which indirectly causes the deterioration of public security, such as theft, private residences, etc., which are constantly increasing. There is a sense of insecurity in life. In the end, people will expand the problem that their own and property safety may be threatened, and thus evolve into a more effective way to prevent others from committing crimes.

As a result, the relevant industry began to install iron doors and iron windows for people's doors and windows in their homes, in order to reduce the chance of home being stolen, or to replace the door locks that are less likely to be opened and destroyed. What's more, nowadays it can be seen that almost all kinds of locks have been locked on the steering wheel or the handrail of the car or on the tires of the locomotive to prevent or extend the stolen car. Time to increase the risk of the thief.

Therefore, there is a prior art of the patent No. M388691 of the Republic of China, which discloses a passive RFID door lock control structure in which a passive radio frequency tag is provided by a key, and a reader provided in a lock unit is provided. Ejecting an electromagnetic energy to cause a resonant coupling of the passive radio frequency tag to generate a current, converting an identification code in a chip into a signal and transmitting the signal to the reader, and comparing the signal by a latch control program Is it correct to control the action of a latch?

Since the lock unit of the prior art described above must normally maintain the working power, that is, the lock unit must be additionally kept in a state of being connected to the power source to provide a short-range wireless radio frequency induction of the powerless key, the key can be After the lock unit is inserted, the rotation is turned on; that is, if the lock unit loses power (for example, the power company loses power) and the lock is still in the stuck state, the lock of the lock unit will not operate normally, A serious problem that may cause the key to be inserted into the lock unit but cannot be turned on.

The main object of the present invention is to solve the above problems of the prior art. When the present invention is used for theft prevention, the user can use the mobile electronic device to perform unlocking or locking without carrying a general key, so that there is no problem of losing the key. In essence, the wireless sensor lock of the present invention is externally connected to the power, and the mobile electronic device with power only needs to be close to the wireless sensor lock when unlocking. The sensor lock can perform the action of unlocking or locking normally, and the user can not worry about whether the wireless sensor lock can not operate normally, and the environment can be saved.

To achieve the above object, the present invention provides a wireless sensor-controlled lock that performs unlocking or latching by a contactless and wirelessly recognizing and inductively controlled mobile electronic device; the mobile electronic device includes a a battery, an information transmission chip for supplying power by the battery, and a first RF antenna for transmitting the information of the information to generate an electromagnetic wave; and the wireless sensing lock includes an electromagnetic wave for sensing and receiving the first RF antenna And a second RF antenna for information; an information receiving transmission unit that controls the second RF antenna to receive information and transmits the information; and the electromagnetic wave received by the second RF antenna is induced as a current to be temporarily stored or transmitted through the information. a power access unit that is obtained and temporarily stored by the unit; an information comparison and processing unit that compares and processes the information transmitted by the information receiving and transmitting unit by the power access unit power supply; The information is controlled by the processing unit and is unlocked or closed by the power access unit power supply. Switch drive control unit.

Further, the second RF antenna, the power access unit, the information receiving and transmitting unit, the information comparison processing unit and the switch driving control unit are electrically connected to each other on a control circuit board; The first RF antenna and the second RF antenna are wirelessly transmitted by Near Field Communication (NFC) technology.

Further, wherein the wireless sensor control lock further comprises a bolt driven by the switch drive control unit.

Further, the wireless sensor control lock further includes a lock lever having a bolt insertion hole for the bolt to be fixed and a lock case for providing the lock lever to form a closed hook ring.

Further, the mobile electronic device further includes an application for providing power by the battery, and the application can also send information to the second RF antenna via the first RF antenna to sense reception.

Further, wherein the switch drive control unit is a positive reverse motor.

Further, wherein the power access unit is configured to provide a capacitance of the switch drive control unit DC power.

The detailed description and technical contents of the present invention will now be described as follows:

First, please refer to "FIG. 1", which is a block diagram of a first preferred embodiment of the present invention. As shown in the figure, the wireless sensor-controlled lock 10 of the present invention performs unlocking or latching by a contactless and wirelessly recognizing and inductively controlled mobile electronic device 20; this embodiment is It can be implemented in an NFC (NFC) Near Field Communication system and applied to the mainstream short-range field effect sensing technology of ISO 14443A/B; the mobile electronic device 20 (such as a mobile phone, PDA or tablet) The electronic product includes a battery 21, an information transmission chip 22 that is powered by the battery 21, the information transmission chip 22 is written with an identification code, and the identification code information of the information transmission chip 22 is generated. The first RF antenna 23 is sent by the electromagnetic wave; and the wireless sensor lock 10 includes a second RF antenna 11 that senses the electromagnetic wave of the first RF antenna 23 and the identification code information; and controls the second RF antenna 11 to receive the The information receiving transmission unit 13 is configured to receive the information and transmit the electromagnetic wave received by the second RF antenna 11 as a current for temporary storage or to receive the information through the information. The power access unit 12 is obtained and temporarily stored by the unit 13; that is, the battery 21 of the mobile electronic device 20 is supplied with power to the information transmission chip 22, and the information transmission chip 22 can be further passed through the first RF antenna. The generated electromagnetic wave senses the second RF antenna 11 to generate a current to supply the wireless sensor lock 10 to perform unlocking or latching; and the information receiving and transmitting unit 13 transmits the power through the power access unit 12 The identification code information is compared and processed by the information comparison processing unit 14; and a switch driven by the information comparison and processing unit 14 and performing power unlocking or blocking by the power access unit 12 Control unit 15. The second RF antenna 11, the power access unit 12, the information receiving and transmitting unit 13, the information comparison processing unit 14 and the switch driving control unit 15 are electrically connected to each other on a control circuit board. 100.

Please refer to FIG. 2 again, which is a schematic cross-sectional view showing the structure of the embodiment of the present invention. As can be seen clearly, the wireless sensor-controlled lock 10 of the present invention, wherein the switch is controlled by the information comparison and processing unit 14 and is powered by the power access unit 12 to perform unlocking or blocking. The drive control unit 15 can be a positive reverse motor. In addition, in the embodiment, the wireless sensor control lock 10 further includes a bolt 101 driven by the switch drive control unit 15; and the second RF antenna 11, the power access unit 12, and the information receiving transmission. The unit 13 and the information comparison processing unit 14 and the switch driving control unit 15 are electrically connected to each other in a control circuit board 100; and the power access unit 12 provides a DC power of the switch driving control unit 15 The capacitor (implemented by a first capacitor 121 and a second capacitor 122). That is, when the mobile electronic device 20 is mounted on the door 30, the second RF antenna 11 senses the electromagnetic wave of the first RF antenna 23 and the identification code. Information; and the received electromagnetic wave is temporarily stored in the power access unit 12; and the information receiving and transmitting unit 13 receives the second RF antenna 11 by the power supply unit 12 The identification code information is transmitted to the information comparison and processing unit 14; and the information comparison processing unit 14 also compares the identification code information by the power supply unit 12 to provide power; the identification code If the result of the comparison is the same as the preset identification code in the information comparison processing unit 14, the switch drive control unit 15 can be controlled by the information comparison processing unit 14 and powered by the power access unit 12. Provided to drive the bolt 101 to perform an unlocking or locking action.

Please also refer to "FIG. 3" and "FIG. 4" at the same time, which is a schematic cross-sectional view of another embodiment of the present invention and its opening operation. As can be seen clearly, the wireless sensor-controlled lock 10 of the present invention is controlled by the information comparison and processing unit 14 and is unlocked or latched by the power supply unit 12 to provide power. The switch drive control unit 15 can be a positive reverse motor. In addition, in the embodiment, the wireless sensor control lock 10 further includes a bolt 101 driven by the switch drive control unit 15 , and a lock lever 102 having a bolt insertion hole 103 for the bolt 101 to be fixed. a lock case 105 for forming a closed hook ring, a spring 104 for maintaining the lock hook 102 in a normal state to form a closed hook ring with the lock case 105; and the second RF antenna 11 and the power storage The receiving unit 12, the information receiving and transmitting unit 13, the information comparing and processing unit 14 and the switch driving control unit 15 are electrically connected to each other in a control circuit board 100; and the power access unit 12 is provided The switch drives the DC capacitor of the control unit 15 (the present embodiment is implemented by a first capacitor 121 and a second capacitor 122). That is, when the present invention is implemented as the "FIG. 3" and "FIG. 4" locks, after the mobile electronic device 20 is adjacent to the wireless sensor lock 10, the second RF antenna 11 senses receiving the first An RF antenna 23 electromagnetic wave and the identification code information; and the received electromagnetic wave is induced as a current and temporarily stored in the first capacitor 121 and the second capacitor 122; and the information receiving and transmitting unit 13 is configured by the first A capacitor 121 or the second capacitor 122 provides power and the second RF antenna 11 receives the identification code information and transmits the identifier information to the information comparison processing unit 14; and the information comparison processing unit 14 also uses The first capacitor 121 or the second capacitor 122 provides power to compare the identification code information; if the comparison result is the same as the preset identification code in the information comparison processing unit 14, the The switch drive control unit 15 can be controlled by the information comparison and processing unit 14 and release the power supply of the forward direct current by the first capacitor 121 to drive the bolt 101 to perform a rightward displacement action to disengage the plug socket. 103, use at this time The one end of the lock lever 102 can be pulled apart from the lock case 105 to rotate to form an unlocked state as shown in FIG. 4; and when the user releases the lock lever 102 and the lock lever 102 can be separated from the lock After the shell 105 is joined, when the mobile electronic device 20 is brought close to the wireless sensor-controlled lock 10, the switch drive control unit 15 can be controlled by the information comparison and processing unit 14 and released by the second capacitor 122. The power supply of the reverse direct current power causes the bolt 101 to perform a leftward displacement operation and is inserted into the bolt insertion hole 103. After the mobile electronic device 20 is removed, the user cannot pull the lock lever 102, which is formed again. Close the closed state of the hook ring as shown in Figure 3.

Finally, please refer to FIG. 5, which is a block diagram of a second preferred embodiment of the present invention. As shown in the figure, the difference between the second preferred embodiment and the first preferred embodiment is that the mobile electronic device 20 of the present invention further includes an application 24 for providing power by the battery 21, and the user A password can be written by the application 24; after the mobile electronic device 20 is close to the wireless sensor lock 10, the second RF antenna 11 senses the electromagnetic wave of the first RF antenna 23 and the identification code and the password. Information; and the received electromagnetic wave is temporarily stored in the power access unit 12; and the information receiving and transmitting unit 13 receives the second RF antenna 11 by the power supply unit 12 The identification code and the password information are transmitted to the information comparison and processing unit 14; and the information comparison processing unit 14 also supplies the identification code and the password information by the power access unit 12 If the result of the comparison with the password is the same as the preset identification code in the information comparison processing unit 14 and the preset password, the switch driving control unit 15 can be compared by the information. The control unit 14 controls and controls the power of the power access unit 12 to drive the bolt 101 to perform an unlocking or blocking action.

The present invention has been described in detail above, but the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Variations and modifications are still within the scope of the patents of the present invention.

10. . . Wireless sensor lock

100. . . Control board

101. . . Bolt

102. . . Lock lever

103. . . Bolt jack

104. . . spring

105. . . Lock case

11. . . Second RF antenna

12. . . Power access unit

121. . . First capacitor

122. . . Second capacitor

13. . . Information receiving transmission unit

14. . . Information comparison and processing unit

15. . . Switch drive control unit

20. . . Mobile electronic device

twenty one. . . battery

twenty two. . . Information transfer chip

twenty three. . . First RF antenna

twenty four. . . application

30. . . Door piece

Figure 1 is a block diagram of a first preferred embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view showing the structure of the embodiment of Fig. 1 of the present invention.

Fig. 3 is a cross-sectional view showing another embodiment of the structure of Fig. 1 of the present invention.

Fig. 4 is a schematic view showing the opening operation of "Fig. 3" of the present invention.

Figure 5 is a block diagram of a fourth preferred embodiment of the present invention.

10. . . Wireless sensor lock

100. . . Control board

11. . . Second RF antenna

12. . . Power access unit

13. . . Information receiving transmission unit

14. . . Information comparison and processing unit

15. . . Switch drive control unit

20. . . Mobile electronic device

twenty one. . . battery

twenty two. . . Information transfer chip

twenty three. . . First RF antenna

Claims (10)

A wireless sensor-controlled lock (10) for performing unlocking or latching by a contactless and wirelessly recognizing and inductively controlled mobile electronic device (20); the mobile electronic device (20) includes a battery (21), an information transmission chip (22) powered by the battery (21), and a first RF antenna (23) for transmitting information of the information transmission chip (22) to generate electromagnetic waves; The wireless sensor lock (10) includes:
a second RF antenna (11) for sensing the electromagnetic wave and information of the first RF antenna (23);
An information receiving transmission unit (13) for controlling the second RF antenna (11) to receive information and transmitting the information;
a power access unit (12) for sensing and storing the electromagnetic wave received by the second RF antenna (11) as a current for temporary storage or by the information receiving transmission unit (13);
And an information comparison and processing unit (14) for comparing and processing the information transmitted by the information receiving and transmitting unit (13) by the power access unit (12); and
A switch drive control unit (15) that is controlled by the information comparison and processing unit (14) and performs power unlocking or latching by the power access unit (12). The wireless sensor lock according to claim 1, wherein the second RF antenna (11), the power access unit (12), the information receiving and transmitting unit (13), the information comparison and processing unit (14) is electrically connected to the switch drive control unit (15) to a control circuit board (100); and the first RF antenna (23) and the second RF antenna (11) are near field Communication (NFC; Near Field Communication) technology wireless transmission. The wireless sensor-controlled lock of claim 1 or 2, wherein the wireless sensor lock (10) further comprises a bolt (101) driven by the switch drive control unit (15). The wireless sensor-controlled lock according to claim 3, wherein the wireless sensor-controlled lock (10) further comprises a lock lever (102) having a bolt insertion hole (103) for the bolt (101) to be fixed. And providing the lock lever (102) to form a lock case (105) for closing the hook ring. The wireless sensor-controlled lock of claim 1 or 2, wherein the mobile electronic device (20) further comprises an application (24) powered by the battery (21), and the application (24) The information may also be sent to the second RF antenna (11) via the first RF antenna (23) to induce reception. The wireless sensor-controlled lock of claim 3, wherein the mobile electronic device (20) further comprises an application (24) for supplying power through the battery (21), and the application (24) is also Information can be induced to be received by electromagnetic waves to the second RF antenna (11) via the first RF antenna (23). The wireless sensor control device of claim 4, wherein the mobile electronic device (20) further comprises an application (24) powered by the battery (21), and the application (24) is also Information can be induced to be received by electromagnetic waves to the second RF antenna (11) via the first RF antenna (23). The wireless sensor-controlled lock of claim 1 or 2, wherein the switch drive control unit (15) is a positive reverse motor. The wireless sensor-controlled lock of claim 3, wherein the switch drive control unit (15) is a positive reverse motor. The wireless sensor-controlled lock of claim 1 or 2, wherein the power access unit (12) is a capacitor that provides direct current to the switch drive control unit (15).