TWM516083U - Lock wireless charging system - Google Patents

Description

Lock wireless charging system

This creation relates to a type of lock, and more particularly to a wireless charging system that is mounted inside a lock.

With the continuous improvement of technology and technology, many products have also evolved into electronic models, and the interlocking tools have also been developed towards electronic locks to avoid the inconvenience of carrying a wide variety of keys or wafer cards in daily life.

In recent years, residential and office buildings of various new buildings have begun to use electronic locks in large quantities. Currently, common electronic lock devices are roughly classified into several types, such as push-button input locks, inductive wafer locks, biometric decoding locks, or the use of Bluetooth or NFC. Connect the electronic lock that unlocks. However, these electronic locks have anti-theft design and deterrent effect, and the alarm sound generated by them also makes the thief unwilling to continue stealing, or notify the relevant units (such as police or security) through communication software or the Internet. ) Come check it out.

Although the electronic lock has anti-theft, deterrent effect and convenience in use, the common electronic locks are extremely power-consuming. Even some electronic locks need to be replaced one to two months. This type of electronic lock needs to be replaced frequently. In use, it will cause a lot of inconvenience to users. Since the electronic lock needs to be replaced, the relative electronic lock is also limited in structural design, and it is also inconvenient to increase its safety risk.

Therefore, the main purpose of this creation is to solve the traditional lack. This creation integrates the wireless charging and communication mode on the lock. Before the wireless charging, the control box and the door lock of the lock are authenticated. After the mutual authentication is successful, the lock is The control box can charge the door lock so that the user does not need to replace the battery.

Another purpose of the creation is that the control box has a built-in backup power source that can be used to charge the door lock when a power failure is provided to provide a control box.

For the above purposes, the present invention provides a wireless charging system for a lock, comprising: a control box and a door lock. The control box includes: a first micro processing unit, a first signal extraction unit, a first charging unit, a first signal processing unit, a first antenna unit, and a backup storage unit. The door lock includes: a second micro processing unit, a second signal extraction unit, a second charging unit, a second signal processing unit, a second antenna unit, and a storage unit. Outputting the authentication signal by the first micro processing unit and outputting a DC pulse to the first signal processing unit by the first charging unit, and transmitting to the second antenna unit of the door lock through the first antenna unit, and then receiving After the second signal extraction unit takes the authentication signal and sends it to the second micro processing unit for confirmation, the second micro processing unit outputs the response authentication signal to the control box via the second signal processing unit and the second antenna unit. Receiving, by the first signal extracting unit, the response signal of the response, the first micro processing unit determines that the authentication is successful, and the first power generating unit outputs a DC pulse through the first antenna. The unit outputs and generates a magnetic field to the second antenna unit to receive in an inductive or resonant manner, and then converts the charging unit to a charging DC by the second charging unit to charge the storage unit.

In an embodiment of the present invention, the first micro processing unit and the second micro processing unit are microprocessors.

In an embodiment of the present invention, the first signal extraction unit and the second signal extraction unit are signal acquisition lines.

In an embodiment of the present invention, the first signal processing unit and the second signal processing unit are a signal adder, a mixer, or an antenna drive.

In an embodiment of the present invention, the first charging unit is a wireless charging signal and a power supply unit.

In an embodiment of the present invention, the second charging unit is a wireless charging signal conversion and charging unit.

In an embodiment of the present invention, the first antenna unit and the second antenna unit are electromagnetic force coils.

In an embodiment of the present invention, a power supply is further included, and is electrically connected to the control box, and is connected to an external AC power source to be converted into a DC power output to provide a DC power supply required by the control box. The supply unit includes at least one rectifier circuit and one voltage stabilization circuit.

In an embodiment of the present invention, a spare storage unit is further included, and the backup storage unit is electrically connected to the first charging unit.

In an embodiment of the present invention, the storage unit and the backup storage unit are rechargeable batteries, battery capacitors or double-layer capacitors.

In an embodiment of the present invention, the authentication signal is a digital signal encoding.

In an embodiment of the present invention, a first Bluetooth unit and a second Bluetooth unit are further connected, and the first Bluetooth unit is electrically connected to the first micro processing unit of the control box, and the second blue The bud unit is electrically connected to the second micro processing unit of the door lock, and the first Bluetooth unit and the second Bluetooth unit enable the control box to communicate with the door lock in two directions.

In an embodiment of the present invention, after the first Bluetooth unit is coupled to the second Bluetooth unit, the signal strength is detected and the distance between the control box and the door lock is determined, so that the first micro The processing unit controls the charging current magnitude output of the first charging unit based on the distance.

10‧‧‧Control box

101‧‧‧First Micro Processing Unit

102‧‧‧First signal extraction unit

103‧‧‧First charging unit

104‧‧‧First Signal Processing Unit

105‧‧‧First antenna unit

106‧‧‧Power supply unit

107‧‧‧Spare storage unit

108‧‧‧First Blue Bud Unit

20‧‧‧ door lock

201‧‧‧Second microprocessor unit

202‧‧‧Second signal extraction unit

203‧‧‧Second charging unit

204‧‧‧second signal processing unit

205‧‧‧second antenna unit

206‧‧‧ storage unit

207‧‧‧The second blue bud unit

FIG. 1 is a circuit block diagram of the wireless charging system of the present lock.

FIG. 2 is a circuit block diagram of another lock wireless charging system of the present invention.

FIG. 3 is a circuit block diagram of another wireless charging system of the present invention.

The technical content and detailed description of this creation are as follows:

Please refer to FIG. 1 , which is a circuit block diagram of the wireless charging system of the lock. As shown in the figure: The lock wireless charging system of the present invention comprises: a control box 10 and a door lock 20.

The control box 10 includes a first micro processing unit 101, a first signal extraction unit 102, a first charging unit 103, a first signal processing unit 104, a first antenna unit 105, and a power supply unit. 106.

The first micro-processing unit 101 internally describes an application software program for determining that the first signal extraction unit 102 retrieves the authentication signal returned by the door lock 20 and generates a verification signal. The authentication signal is sent to the first signal processing unit 104 to be superimposed on the signal output by the first charging unit 103. In this figure, the authentication signal is a digital signal code. In the figure, the first microprocessing unit 101 is a microprocessor.

The first signal extraction unit 102 is electrically connected to the first micro processing unit 101 and the first antenna unit 105 to take out the signal received by the first antenna unit 105 and returned by the door lock 20 The authentication signal is responded, and the response authentication signal is transmitted to the first micro processing unit 101 for determination. In the figure, the first signal extraction unit 102 is a signal acquisition line.

The first charging unit 103 is electrically connected to the first signal processing unit 104 for generating a DC pulse or DC charging pulse wave output to the first signal processing unit 104, and the first micro processing unit. The authentication signals generated by 101 are superimposed. In the figure, the first charging unit 103 is a wireless charging signal and a power supply unit.

The first signal processing unit 104 is electrically coupled to the first micro processing unit 101 and the first charging unit 103 for outputting the signals output by the first micro processing unit 101 and the first charging unit 103. Stacked together or mixed together. In the figure, the first signal processing unit 104 is a mixer, a signal superimposing line or an antenna driver.

The first antenna unit 105 is electrically connected to the first signal processing unit 104 to receive a DC pulse or a DC charging pulse wave output by the first charging unit 103 to generate a magnetic resonance or inductive signal. A magnetic field is transmitted to the door lock 20. In the figure, the first antenna unit 105 is an electromagnetic force coil.

The power supply unit 106 is electrically connected to the control box 10 to convert the external AC power to a DC power output to provide the DC power required by the control box 10. In the figure, the power supply unit 106 includes at least one rectifier circuit and a voltage stabilization circuit.

The door lock 20 includes a second micro processing unit 201, a second signal extraction unit 202, a second charging unit 203, a second signal processing unit 204, a second antenna unit 205, and a storage unit 206. .

The second micro processing unit 201 is internally configured with an application software program for determining that the second signal extraction unit 202 takes out the authentication signal transmitted by the control box 10 and responds to an authentication signal to the second signal processing. The unit 204 is returned to the first antenna unit 105 for reception via the second magnetic coil 205. In the figure, the authentication signal is a digital signal encoding; the second micro processing unit 201 is a microprocessor.

The second signal extraction unit 202 is electrically coupled to the second micro processing unit 201 and the second antenna unit 205 to receive the signal received by the second antenna unit 205 and transmitted by the control box 10, And the authentication signal is taken out and sent to the second micro processing unit 201 for determination. In the figure, the second signal extraction unit 202 is a signal acquisition line.

The second charging unit 203 is electrically connected to the second antenna unit 205 and the storage unit 206 for receiving the magnetic field power signal output by the second antenna unit 205 and converting the DC signal to the DC output. Charging is performed in 206. In the figure, the second charging unit 203 is a wireless charging signal conversion and charging unit.

The second signal processing unit 204 is electrically coupled to the second micro processing unit 201 and the second antenna unit 205 to receive the authentication signal that the second micro processing unit 201 responds to. It is transmitted to the second antenna unit 205. In the figure, the second signal processing unit 204 is a mixer or a signal superimposing line.

The second antenna unit 205 is electrically connected to the second signal extraction unit 202, the second charging unit 203, and the second signal processing unit 204, and the first antenna unit 105 is magnetically or resonantly The generated magnetic signal simultaneously transmits the authentication signal transmitted by the control box 10 to the second signal extraction unit 202. In the figure, the second antenna unit 205 is an electromagnetic force coil.

The storage unit 206 is electrically coupled to the second charging unit 203 and the second micro processing unit 201 to receive the DC charging output by the second charging unit 203 for charging to provide the door lock 20. electric power. In the figure, the storage unit 206 is a rechargeable battery, a battery capacitor or a two-layer capacitor.

When the control box 10 of the present creation and the door lock 20 are charged, the power supply unit 106 converts the external AC power into a DC power source to supply the power required by the control box 10.

During the charging process, the first micro processing unit 101 of the control box 10 outputs an authentication signal and the first charging unit 103 outputs a DC pulse to the first signal processing unit 104 to mix or superimpose, and then transmit to the first The antenna unit 105 is outputted in a resonant or inductive manner by generating a magnetic field. The magnetic field signal carries an authentication signal, and is received by the second antenna unit 205 of the door lock 20 for magnetic induction or resonance reception, and then output to the second charging unit. 203 and the second signal extraction unit 202, after the second signal extraction unit 202 takes out the authentication signal and sends it to the second micro processing unit 201 for confirmation, the second micro processing unit 201 outputs a response authentication signal to the After being transmitted by the second antenna unit 205 to the first antenna unit 105 of the control box 10, the second antenna unit 205 transmits the first antenna unit 105 to the first antenna unit 105. The signal extraction unit 102 takes out the response authentication signal, and then determines whether the authentication is successful by the first micro processing unit 101. If the authentication is successful, the first charging unit 103 outputs a DC charging pulse wave electric field via the first antenna unit 105. The second antenna unit 205 senses and transmits to the second charging unit 203, and converts the DC power to charge the storage unit 206.

The above-mentioned authentication signal, for example, the control box 10 transmits a digital signal code of "01" to the door lock 20, which is also a digital signal code for confirming whether the authentication signal of the door lock 20 is "01". When the door lock 20 receives and confirms the digital signal code of the authentication signal "01", the door lock 20 will respond to the same digital signal code that the authentication signal of the control box 10 is "01", and the control box 10 is at this time. That is, the output of the charging signal is performed to establish a charging magnetic field to charge the door lock 20. If the authentication signal responded by the door lock 20 is not "01", that is, when the digital signal of the different phase is encoded, the control box 10 does not output the charging signal, and the door lock 20 cannot be charged.

After the second micro processing unit 201 determines that the storage unit 206 is fully charged, the second micro processing unit 201 outputs a notification signal transmitted to the first antenna unit 105 of the control box 10 via the second antenna unit 205. Receiving, and then transmitting to the first micro processing unit 101 via the first signal extraction unit 102, the first micro processing unit 101 will stop driving the first charging unit 103, and the door lock 20 will not be charged at this time.

Please refer to FIG. 2, which is a circuit block diagram of another lock wireless charging system of the present invention. As shown in the figure, the wireless charging system of the present invention is substantially the same as that of FIG. 1. The difference is that a spare storage unit 107 is installed inside the control box 10, and the backup storage unit 107 is connected to the first micro processing unit 101. The first charging unit 103 is electrically connected. The first charging unit 103 outputs a direct current to charge the spare storage unit 107. Operating in the control box 10 When the control box 10 loses external power supply, the power required by the control box 10 is immediately provided by the backup storage unit 107 to ensure the normal operation of the control box 10 and the door lock 20. In the figure, the spare storage unit 107 is a rechargeable battery, a battery capacitor or a two-layer capacitor.

Please refer to FIG. 3, which is a circuit block diagram of another wireless charging system of the present invention. As shown in the figure, the present embodiment is substantially the same as that of FIG. 2, except that a first Bluetooth unit 108 and a second Bluetooth unit 207 are respectively added to the control box 10 and the door lock 20. The first Bluetooth unit 108 is electrically connected to the first micro processing unit 101, and the second Bluetooth unit 207 is electrically coupled to the second micro processing unit 201. When the control box 10 and the door lock 20 are authenticated by the first Bluetooth unit 108 and the second Bluetooth unit 207, an authentication signal is generated by the first micro processing unit 101 of the control box 10, and the authentication is performed. After the signal is transmitted by the first Bluetooth unit 108 to the second Bluetooth unit 207 of the door lock 20, and transmitted to the second micro processing unit 201 for determination, the second micro processing unit 201 will respond with a judgment. The authentication signal is sent to the second Bluetooth unit 207, and after being received by the second Bluetooth unit 207 to the first Bluetooth unit 108, the first micro processing unit 101 determines whether the authentication signal is correct. The door lock 20 performs a charging operation, and if the door lock 20 is incorrect, the charging operation will not be performed. In addition, after the first Bluetooth unit 108 and the second Bluetooth unit 207 are coupled and coupled, the signal strength is detected as the basis of the distance between the control box 10 and the door lock 20, and the first micro processing unit 101 The distance is controlled according to the charging current magnitude output of the first charging unit 103 to ensure system security.

The above is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention. That is, the equal changes and modifications made by the patent application scope of this creation are covered by the scope of the creation patent.

10‧‧‧Control box

101‧‧‧First Micro Processing Unit

102‧‧‧First signal extraction unit

103‧‧‧First charging unit

104‧‧‧First Signal Processing Unit

105‧‧‧First antenna unit

106‧‧‧Power supply unit

20‧‧‧ door lock

201‧‧‧Second microprocessor unit

202‧‧‧Second signal extraction unit

203‧‧‧Second charging unit

204‧‧‧second signal processing unit

205‧‧‧second antenna unit

206‧‧‧ storage unit

Claims (13)

A lock wireless charging system includes: a control box and a door lock; wherein the control box comprises: a first micro processing unit, wherein an application software program is recorded therein to output an authentication signal and a response signal for determining a response; a first signal extraction unit electrically connected to the first micro processing unit for extracting the response authentication signal; a first charging unit for outputting a DC pulse or a DC charging pulse; and a first signal processing unit And electrically connecting to the first micro processing unit and the first charging unit, respectively superimposing signals output by the first micro processing unit and the first charging unit; a first antenna unit is coupled to the first antenna unit The first signal processing unit is electrically connected to receive a DC charging pulse wave or a DC pulse wave to generate an electromagnetic force field signal output; the door lock includes: a second antenna unit to sense or resonate the first antenna unit The generated electromagnetic force is received and output; a second signal extraction unit is electrically connected to the second antenna unit to take out the authentication signal transmitted by the control box; Means, based extraction unit electrically connected to the second signal, which describes an internal application software program, the control box to receive signals transmitted authentication, authentication and return a response signal; a second signal processing unit is electrically connected to the second micro processing unit and the second antenna unit, and the authentication signal for receiving the response is transmitted to the second antenna unit, and is transmitted back to the control box for receiving; a second charging unit is electrically connected to the second antenna unit, receives the second antenna unit magnetic field signal and converts into a charging DC output; a storage unit is coupled to the second charging unit and the second micro Processing the single electrical connection, receiving the DC charging output by the second charging unit for charging, and providing the power required by the door lock; wherein the first micro processing unit outputs the authentication signal and the first charging unit output After the DC pulse wave is superimposed on the first signal processing unit, the first antenna unit transmits to the second antenna unit of the door lock, and then the second signal extraction unit takes out the authentication signal and sends the authentication signal to the second micro After the processing unit confirms, the authentication signal outputted by the second micro processing unit is received by the second signal processing unit and the second antenna unit, and is received by the first antenna unit of the control box, and is received by the first signal. The element extracts the response authentication signal, and after the first micro processing unit determines that the authentication is successful, the first charging unit outputs the DC charging pulse wave to form an electric field through the first antenna unit to receive and output the second antenna unit. The storage unit can be charged after being converted by the second charging unit. The lock wireless charging system of claim 1, wherein the first micro processing unit and the second micro processing unit are microprocessors. The lock wireless charging system of claim 1, wherein the first signal take-out unit and the second signal take-out unit are signal capture lines. The lock wireless charging system of claim 1, wherein the first signal processing unit and the second signal processing unit are signal adders, mixers or antenna drivers. The wireless charging system for a lock according to claim 1, wherein the first charging unit is a wireless charging signal and a power supply unit. The wireless charging system for a lock according to claim 1, wherein the second charging unit is a wireless charging signal conversion and charging unit. The lock wireless charging system of claim 1, wherein the first antenna unit and the second antenna unit are electromagnetic force coils. The lock wireless charging system of claim 1, further comprising a power supply electrically connected to the control box to convert an external AC power source into a DC power output to provide the control box The required DC power supply, the power supply unit includes at least one rectifier circuit and a voltage stabilization circuit. The lock wireless charging system of claim 1, further comprising a spare storage unit electrically coupled to the first charging unit. The lock wireless charging system of claim 9, wherein the storage unit and the backup storage unit are rechargeable batteries, battery capacitors or double-layer capacitors. The wireless charging system for a lock according to claim 1, wherein the authentication signal is a digital signal encoding. The lock wireless charging system of claim 1, further comprising a first Bluetooth unit and a second Bluetooth unit, the first Bluetooth unit and the first microprocessor unit of the control box Electrically connecting, the second Bluetooth unit and the second microprocessor of the door lock The first electronic Bluetooth unit and the second Bluetooth unit enable the control box to communicate with the door lock in both directions. The lock wireless charging system of claim 12, wherein the first Bluetooth unit and the second Bluetooth unit are coupled to each other to detect the signal strength and the distance between the control box and the door lock. The basis is that the first micro processing unit controls the charging current magnitude output of the first charging unit based on the distance.