KR101601153B1 - A locking system comprising wireless power transfer and recharge technology - Google Patents

Abstract

The present invention relates to a locking system using a wireless power transmission and charging technology. More particularly, the present invention relates to a locking system for a locking device, And a locking device installed in a door of the door for charging and receiving power from the wireless power supply device to operate the locking bar. The wireless power supply device receives power from an external power source, Wherein the locking device includes a receiving coil for receiving electric energy from the transmission coil, wherein the transmission coil and the receiving coil are installed so as to face each other in a state in which the door is closed, The power supplied from the power source can be transmitted to the locking device The locking device operates the locking bar by using the power supplied from the wireless power supply device when the door is closed and operates the locking bar by using the charged power when the door is opened To a locking system using a wireless power transmission and charging technology.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a locking system using a wireless power transmission and charging technology,

The present invention relates to a locking system using a wireless power transmission and charging technology. More particularly, the present invention relates to a locking system for a locking device, And a locking device installed in a door of the door for charging and receiving power from the wireless power supply device to operate the locking bar. The wireless power supply device receives power from an external power source, Wherein the locking device includes a receiving coil for receiving electric energy from the transmission coil, wherein the transmission coil and the receiving coil are installed so as to face each other in a state in which the door is closed, The power supplied from the power source can be transmitted to the locking device The locking device operates the locking bar by using the power supplied from the wireless power supply device when the door is closed and operates the locking bar by using the charged power when the door is opened To a locking system using a wireless power transmission and charging technology.

BACKGROUND ART [0002] Generally, a locking system comprises a locking device attached to a door, and a latch provided on a portion of the inner wall surface of the body where the door frame or the storage space is formed to contact the locking device. The locking device closes a certain space by operating the locking bar to catch the latch. In order to receive power for operating the locking bar, the locking device generally uses the battery built in the locking device. Therefore, it is troublesome to periodically replace the battery. To solve this problem, there is a limit in that the size of the locking device becomes too large if the amount of the battery is increased.

(Patent Literature) Patent No. 10-0201880 (June 15, 1999) "Power saving method and apparatus for electronic door lock"

The patent document discloses a power saving method for reducing the battery usage of an electronic door lock, which has been devised to solve the above problems, but the hassle of replacing the battery still has not been solved.

In addition, since the battery built in the locking device is used, there are many limitations in using a modern display device or a wireless communication module that requires a lot of power.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems,

An object of the present invention is to provide a wireless power supply device which is installed at the latch position so that the wireless power supply device receives power from an external power supply and supplies power to a locking device installed in a door using a wireless power transmission technique, And to provide a locking system using wireless power transmission and charging technology that does not require batteries in the device.

It is another object of the present invention to provide a wireless power supply device that continuously supplies power to the locking device in a state where the door is closed so that the locking device can use a display device or the like that requires a lot of power, And a locking system using transmission and charging technology.

It is still another object of the present invention to provide a wireless power transmission and charging system that enables power to be smoothly and efficiently transmitted to the locking device by installing a coil at a portion where the locking device and the wireless power supply device are in contact with each other in a closed state of the door And to provide a locking system using the same.

It is a further object of the present invention to provide a portable electronic device capable of providing a locker interior light, a USB charging and a use confirmation service of a locker user by operating an LED lamp, a USB port and a use confirmation sensor by receiving power from an external power source And a locking system using the wireless power transmission and charging technology.

It is a further object of the present invention to provide a wireless power transmission and charging technology that does not require a conventional physical door state sensor by checking the position of coils and the opening and closing states of the door by the wireless power supply and the locking device And to provide a locking system using the same.

It is still another object of the present invention to provide a wireless power transmission and charging technology capable of normally operating the locking device by using the power supplied from the wireless power supply device and using the charged power even when the door is opened. And to provide a locking system using the same.

It is still another object of the present invention to provide a locking system using a wireless power transmission and charging technology capable of preventing overcharging by checking the charged amount of the power source charged in the locking device and stopping charging when fully charged.

The objects of the present invention are not limited to the above-mentioned objects, and other objects of the present invention which are not mentioned can be understood by the following description and can be more clearly understood by the embodiments of the present invention. Further, the objects of the present invention can be realized by the means shown in the claims and their combinations.

In order to accomplish the above-mentioned object of the present invention, a locking system using a wireless power transmission and charging technology includes the following configuration.

A locking system using a wireless power transmission and charging technology, which is an embodiment of the present invention, includes a wireless power supply device that is installed at a latch position where a locking bar of a locking device is hooked and supplies power supplied from an external power source to the locking device wirelessly, And a locking device installed in the locking device and operating the locking bar by receiving power from the wireless power supply device, the wireless power supply device including a transmission coil for converting electric energy using a wireless power transmission technique, The apparatus is characterized in that it comprises a receiving coil for receiving electrical energy from the transmitting coil.

In the locking system using the wireless power transmission and charging technology, which is one embodiment of the present invention, the transmission coil and the reception coil are installed facing each other in a state where the door is closed.

In the locking system using the wireless power transmission and charging technology, which is one embodiment of the present invention, the locking device includes a bar moving groove in which the locking bar moves, and the wireless power supply device includes a bar receiving groove Wherein the transmission coil is installed along an outer circumferential surface of the bar receiving groove and the receiving coil is installed along an outer circumferential surface of the bar moving groove so that the transmission coil and the receiving coil are opposed to each other when the door is closed, So that it is installed outside.

In a locking system using a wireless power transmission and charging technology, which is an embodiment of the present invention, the wireless power supply apparatus includes an external power supply unit for receiving power from the external power supply and operating the wireless power supply apparatus, And the coil receives power from the external power receiving unit and converts electric energy.

In a locking system using a wireless power transmission and charging technology, which is an embodiment of the present invention, the wireless power supply apparatus includes a control unit for controlling overall operation of the wireless power supply apparatus, and the control unit is connected to the transmission coil And a transmission coil check module for checking whether the door is in a closed state or an open state.

In the locking system using the wireless power transmission and charging technology, which is one embodiment of the present invention, when the transmission coil check module checks that the door is opened, the controller controls the LED lamp A USB port control module for checking that an electronic device is inserted into the USB port and supplying power from the external power receiving unit to the electronic device; And a use confirmation sensor for checking whether the locker is being used when the locker is installed.

In the locking system using the wireless power transmission and charging technology, which is one embodiment of the present invention, the locking device includes a wireless power receiving unit for receiving power from the receiving coil to operate the locking device, And a charging unit that charges the power supply by supplying power.

In the locking system using the wireless power transmission and charging technology, which is one embodiment of the present invention, the locking device includes a charging control unit for controlling whether or not the power source is charged in the charging unit, and the charging control unit checks the charging amount of the charging unit And a signal generating module for generating a sleep signal when the charge suspending module stops charging when the charge stopping module detects that the amount of charge is sufficient.

In the locking system using the wireless power transmission and charging technology, which is an embodiment of the present invention, the locking device includes a management unit for controlling the overall operation of the locking device, and the management unit controls the locking device in a sleep mode and an operation mode Wherein the state switching module comprises: an optimizing module for switching the locking device to a sleep mode upon receipt of a sleep signal generated in the signal generating module to minimize power consumption; And a normal operation module for switching the locking device to the operation mode upon receipt to allow the locking device to operate normally.

In the locking system using the wireless power transmission and charging technology, which is one embodiment of the present invention, the management unit includes a reception coil check module connected to the reception coil to check whether the door is closed or open, And a charge using module for controlling the locking device to operate using a power source charged in the charging unit, if it is checked that the door is opened.

The present invention can obtain the following effects by the above-described embodiment, the constitution described below, the combination, and the use relationship.

The wireless power supply device is installed at the latch position so that the wireless power supply device receives power from the external power supply and supplies power to the locking device installed in the door using the wireless power transmission technology, It is possible to provide a locking system using a wireless power transmission and charging technology that does not require a built-in battery.

The wireless power supply unit may continuously supply power to the locking device in a state where the door is closed so that the locking device can use a display device or the like that requires a lot of power, A locking system using the technique is provided.

The present invention relates to a locking system using a wireless power transmission and charging technology that enables power to be smoothly and efficiently transmitted to the locking device by providing a coil at a portion where the locking device and the wireless power supply device are in contact with each other in a closed state of the door .

In the present invention, the wireless power supply device receives power from an external power source and operates an LED lamp, a USB port, and a use confirmation sensor, thereby enabling a wireless power transmission capable of providing a locker interior light, And a locking system using a charging technique.

The present invention is characterized in that the wireless power supply and the locking device check the position of the coil to check the opening and closing of the door so that a locking system using a wireless power transmission and charging technology .

The present invention is characterized in that the locking device charges the power supplied from the wireless power supply device and uses the charged power even in the opened state of the door so that the locking device can operate normally, .

The present invention provides a locking system using a wireless power transmission and charging technology capable of preventing overcharging by checking a charged amount of a power source charged in the locking device and stopping charging when fully charged.

1 is a perspective view showing a wireless power supply apparatus and a locking apparatus according to the present invention;
2 is a block diagram illustrating a locking system using a wireless power transmission and charging technology of the present invention.
3 is a perspective view showing a transmission coil according to the present invention.
4 is a perspective view showing a receiving coil according to the present invention;
5 is a perspective view showing a mounting position of the transmission coil and the reception coil;
Fig. 6 is a configuration diagram showing the control unit of Fig. 2
Fig. 7 is a configuration diagram showing the charge control unit of Fig. 2
Fig. 8 is a configuration diagram showing the management unit of Fig. 2

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. The embodiments of the present invention can be modified in various forms, and the scope of the present invention should not be construed as being limited to the following embodiments. This embodiment is provided to more fully describe the present invention to those skilled in the art. Thus, the shape of the elements in the figures has been exaggerated to emphasize a clearer description. Also, for convenience of explanation, the locking system using the wireless power transmission and charging technology (hereinafter referred to as a 'locking system') according to the present invention has been described with reference to the drawings applied to the locker, .

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. Throughout the specification, when an element is referred to as "including" an element, it is understood that the element may include other elements as well as other elements, The terms "part," " module, "and the like denote a unit for processing at least one function or operation, which may be implemented as hardware or software or a combination of hardware and software.

In the present invention, the wireless power transmission technique uses an electromagnetic induction method, an electromagnetic wave method, and a magnetic resonance method, and should not be construed to be limited to any of the above methods.

In the electromagnetic induction method, when a magnetic field is generated in a coil of a power transmission unit, a principle is used in which electricity is induced in a receiving unit coil due to the influence of the magnetic field. In the electromagnetic wave method, when electromagnetic waves are generated in a transmission unit, The Rectenna is used to receive electromagnetic waves and convert them to electric power. The magnetic resonance method is a method of transmitting electric power using the resonance phenomenon between transmitting and receiving coils.

1 to 7, a locking system according to the present invention is installed at a latch position where a lock bar 29 of a locking device 20 is hooked, and a power supplied from an external power source 30 is wirelessly transmitted to the locking device 20, And a locking device (20) installed on the door and operating the locking bar (29) by receiving power from the wireless power supply device (10), wherein the wireless power supply device (10) The feeding device 10 includes a transmission coil 11 that is supplied with power from an external power source 30 and converts electric energy using a radio power transmission technique and the locking device 20 is connected to the transmission coil 11, And a receiving coil 21 for receiving electric energy from the receiving coil 21. The transmitting coil 11 and the receiving coil 21 are installed facing each other in a state where the door is closed.

1, the locking system operates to open and close the door by operating the lock bar 29 of the locking device 20 to be received in the bar receiving groove 17 of the wireless power supply device 10 do.

The present invention solves the problem that the transmission efficiency of the power source is significantly reduced if the coils do not coincide with each other in the wireless power transmission technology through the installation position of the transmission coil 11 and the reception coil 21, Will be described in detail.

2, the transfer coil 11 is installed along the outer circumferential surface of the bar receiving groove 17 for receiving the lock bar 29. As shown in FIG. Also, as shown in FIG. 3, the receiving coil 21 is installed along the outer peripheral surface of the bar moving groove 29a through which the lock bar 29 moves.

4, when the door is closed, the locking bar 29 is received in the bar receiving groove 17, so that the bar receiving groove 17 and the bar moving groove 29a are correctly positioned at the center And the center of the transmission coil 11 and the reception coil 21 provided on the outer circumferential surface of the transmission coil 11 coincide exactly with each other so that the present invention can prevent the power from the radio power supply device 10 to the locking device 20, Is transferred with a high yield.

5, the wireless power supply apparatus 10 converts power supplied from an external power supply 30 from the transmission coil 11 and supplies the converted power to the locking device 20. [ The wireless power supply unit 10 includes a transmission coil 11, an external power supply unit 12, a control unit 14, an LED lamp 15, a USB port 16, a use confirmation sensor 18, 17).

The transmission coil 11 receives power from the external power source receiver 12 and converts the power source using a wireless power transmission technique. When the locking system uses an electromagnetic induction system, a magnetic field is generated, Method generates an electromagnetic wave. When a magnetic resonance method is used, a magnetic field that oscillates at a specific resonance frequency is generated. The electric energy converted in the transmission coil 11 is transmitted to the receiving coil 21 to be described later and supplied to and charged in the locking device 20. [ Therefore, since the locking device 20 can be operated by receiving power from the wireless power supply device 10 even if the battery is not built in, it is not necessary to take time to replace the battery and the size of the locking device 20 And even if the locking device 20 includes a state-of-the-art device such as a display that requires a lot of power, it can be used without any power limitation.

The external power receiving unit 12 receives power from the external power supply 30 and transmits the power to the control unit 14, the LED lamp 15 and the USB port 16, and a DC / DC converter circuit is used .

6, the control unit 14 controls the overall operation of the locking device 20 and includes a transmission coil check module 141, an LED lamp control module 143, and a USB port control module 145).

The transmission coil check module 141 is configured to check whether the door is closed or open by electronically replacing the physical type door opening / closing sensor employed in the conventional locking system. For example, the door is opened A method of checking that the power is not transmitted wirelessly because the center of the transmission coil 11 and the reception coil 21 do not match. Therefore, the present invention is characterized in that the state of the door can be checked even without the separate sensor.

The LED lamp control module 143 is configured to apply power to the LED lamp 15 from the external power receiving unit 12 when the transmission coil check module 141 checks that the door is opened. When the system is installed in the same space as the locker, the LED lamp 15 is turned on at the same time as the door is opened, thereby improving convenience for the user.

The USB port control module 145 is configured to apply power to the electronic device from the external power receiving unit 12 when an electronic device such as a smart phone or a tablet PC is inserted into the USB port 16, Since the user can charge the battery using the power of the external power source 30, the convenience of the user is improved.

When the locking system is applied to the locker, the use confirmation sensor 18 can check whether the locker is in use or not by checking the presence of the stored article in the locker. A sensor for measuring the weight on the underside or for sensing the reflection by irradiating the light on the inner surface of the locker may be used. Further, a display screen may be additionally included together with the use confirmation sensor 13, And a function of causing the display to be displayed.

Referring to FIG. 5, the locking device 20 is installed on a door and receives power from the wireless power supply device 10 to operate the locking bar 29. The locking device 20 includes a receiving coil 21, A power receiving unit 22, a charging unit 23, a charging control unit 24, a management unit 25, a moving unit 26, a driving unit 27, and an additional function unit 28.

The receiving coil 21 receives the electric energy converted into a magnetic field, an electromagnetic wave, or a magnetic field that oscillates at a specific resonance frequency in the transmission coil 11, and converts the electric energy into electrical energy. Therefore, in the locking system of the present invention, power is wirelessly transmitted from the wireless power supply device (more precisely, the transmission coil) to the locking device (more precisely, the reception coil).

The wireless power receiving unit 22 receives the electric energy induced and converted in the receiving coil 21 and supplies the electric energy to the charging unit 23, the management unit 25, the driving unit 27, and the additional function unit 28 Lt; / RTI > Since the power is continuously supplied until the door is opened from the wireless power supply device 10 to the locking device 20, the locking device 20 does not need to incorporate a battery, Can be used without restrictions.

The charging unit 23 is configured to charge by receiving power from the wireless power receiving unit 22, and a charging capacitor or a charger may be used. When the power is supplied to the charger 23 to open the door so that power is not supplied from the transmission coil 11 to the receiver coil 21, And can be operated through a power source charged in the charger 23.

7, the charge control unit 24 controls whether the power source is charged in the charging unit 23 and includes a charge amount checking module 241, a charge stopping module 243, and a signal generating module 245 ).

The charging amount check module 241 is connected to the charging part 23 to check the charged amount of the power charged in the charging part 23.

The charge stop module 243 controls the charging stop module 241 to stop charging when the charge amount is checked to be sufficient. The sufficient charge amount may be determined based on various criteria, Can be used. Since the overcharge is prevented by the charge stop module 243, waste of electric power and failure of the charger 23 can be prevented.

The signal generating module 245 is configured to generate a sleep signal to the management unit 25 to switch the locking device 20 to the sleep mode when the charging is stopped by the charge stop module 243, A detailed description of the sleep mode and the operation mode will be given later.

8, the management unit 25 controls the overall operation of the locking device 20. The state switching module 251, the reception coil check module 253, .

The status change module 251 is configured to switch the locking device 20 into a sleep mode and an operation mode and includes an optimization module 251a and a normal operation module 251b. In the present invention, in the sleep mode, only the functions necessary for the locking device 20 are performed so as not to unnecessarily consume power without completely charging the charging part 23 and charging the charging part 23 to minimize power consumption And the operation mode is a state in which the movable unit 26 is operated by the user and a wake-up signal indicating that the user uses the locking apparatus 20 is generated in the movable unit 26, 20 are supplied with power to various devices, and operate normally.

The optimization module 251a is configured to receive the sleep signal to switch the sleep mode from the signal generator to the sleep mode by the optimizing module 251a, A method of supplying power only to devices designated as essential to be used in the power supply 28, and the like are performed, so that power consumption can be minimized.

The normal operation module 251b is configured to switch the locking device 20 to the operation mode when receiving a wakeup signal from the movable part 26 to be described later. The power source 28, the driving unit 27, and the like are supplied with power so that the locking device 20 can be operated.

The reception coil check module 253 is connected to the reception coil 21 in the same manner as the transmission coil check module 141 to check whether the door is closed or opened. If the door is closed by the reception coil check module 253, the power is supplied to the locking device 20 from the wireless power supply device 10 through the wireless power receiving part 22, The device 20 is operated. However, if the door is opened, the charging module 235 uses the power charged in the charging unit 23 as described later.

When the reception coil check module 253 checks that the door is opened, the charging use module 255 controls the locking device 20 to operate using the power charged in the charging part 23 to be. Therefore, even if the door is opened and power is not supplied from the wireless power supply unit 10 to the locking device 20, the power supplied to the charging unit 23 can be used to operate the driving unit 27 and the additional function unit, (28) and the like are operated.

5, the movable unit 26 is configured to switch the locking device 20 from the sleep mode to the operation mode by the user's operation. When the user touches the movable unit 26, The movable part 26 generates a wake-up signal to the management part 25 when the operation part 26 is operated. In order to minimize power consumption, the locking device 20 is switched to the sleep mode when the charging of the charging part 23 is completed, so that not all the devices of the locking device 20 are supplied with power, Since the power is supplied only to the device, it is necessary to switch the locking device 20 to the operating mode in order to use all the functions of the locking device 20, so that it can be achieved through the moving part 26.

The driving unit 27 locks the door by allowing the locking bar 29 to be received in the bar receiving groove 17 or allows the locking bar 29 to be pulled out of the bar receiving groove 17, The lock bar 29 may be moved so as to open the door. Preferably, a drive motor or the like may be used.

The additional function unit 28 is a set of devices such as a display, a speaker, and a wireless communication module (Wi-Fi, LTE, 3G network) that require a lot of power. In the present invention, The power source is continuously supplied from the power supply unit 10 to the locking device 20 and the power charged in the charging unit 23 can be used when the door is opened. 20 can be used without limitation as well as devices requiring a lot of power such as the above-mentioned devices.

Hereinafter, the operation of the locking system according to the present invention will be described with reference to FIGS. 1 to 8. FIG.

4, if the door is closed, the center of the transmission coil 11 and the center of the reception coil 21 are exactly coincident with each other, so that the transmission coil 11 is connected to the external power source 30, When the magnetic field or the electromagnetic wave is generated by using the power supplied to the wireless power supply unit 10 from the wireless power supply unit 10, the receiving coil 21 can receive it and convert it into electric energy with high efficiency. Therefore, power is supplied wirelessly from the wireless power supply 10 to the locking device 20. [ The locking device 20 charges the charging unit 23 with power supplied from the receiving coil 21 and supplies power to various devices of the additional function unit 28 to operate the locking unit 20. [

At this time, the charge control unit 24 checks the power supply charge amount of the charging unit 23, stops the charging when charging is completed, and causes the locking device 20 to switch to the sleep mode. Therefore, overcharging of the charging unit 23 can be prevented, and power consumption can be minimized.

Since the transfer coil 11 and the receiving coil 21 are in contact with each other when the movable unit 26 is operated to open the door so that the locking device 20 is switched to the operating mode, 20, the power source supplied from the wireless power receiving unit 22 is used to operate the additional function unit 28 and the driving unit 27.

The drive coil 27 is operated and the lock bar 29 comes out of the bar receiving groove 17 and the door is opened so that the transmission coil 11 and the reception coil 21 mutually induce Power is not supplied from the wireless power supply unit 10 to the locking device 20. [ Therefore, when the controller 25 detects that the door is opened by the reception coil check module 253, the controller 25 controls the locking device 20 To be operated. The wireless power supply unit 10 supplies power from the external power source 30 to the LED lamp 15 when the door coil is opened by the transmission coil check module 141, (15).

It is necessary for the wireless power supply device 10 to supply power to the locking device 20 by receiving power from the external power supply 30 so that it is necessary to embed the battery in the locking device 20 And a display device or the like that requires a lot of power in the locking device 20 can be used without restriction.

The transmission coil 11 and the reception coil 21 are provided at a portion where the locking device 20 and the wireless power supply device 10 are in contact with each other so that the locking device 20 can be powered Can be smoothly and efficiently transmitted.

The foregoing detailed description is illustrative of the present invention. In addition, the foregoing is intended to illustrate and explain the preferred embodiments of the present invention, and the present invention may be used in various other combinations, modifications and environments. That is, it is possible to make changes or modifications within the scope of the concept of the invention disclosed in this specification, within the scope of the disclosure, and / or within the skill and knowledge of the art. The embodiments described herein are intended to illustrate the best mode for implementing the technical idea of the present invention and various modifications required for specific applications and uses of the present invention are also possible. Accordingly, the detailed description of the invention is not intended to limit the invention to the disclosed embodiments. It is also to be understood that the appended claims are intended to cover further embodiments.

10: Wireless power supply
11: Transfer coil
12: External power receiver
14:
141: Transmission coil check module 143: LED lamp control module 145: USB port control module
15: LED lamp
16: USB port
17: Bar receiving groove
18: Usage confirmation sensor
20: Locking device
21: Receive coil
22: Wireless power receiver
23:
24:
241 charge amount check module 243 charge stop module 245 signal generation module
25: management unit 251: status change module 251a: optimization module 251b: normal operation module
253: Receive coil check module 255: Charge use module
26:
27:
28:
29: lock bar 29a: bar moving groove
30: External power source

Claims (10)

A wireless power supply device installed at a latch position where a lock bar of the locking device is hooked to supply a power supplied from an external power supply to the locking device by radio; The locking device comprising:
The wireless power supply apparatus includes an external power supply unit that receives power from an external power supply and operates the wireless power supply unit, a transmission coil that receives power from the external power supply unit and converts electric energy using a wireless power transmission technology, A control unit for controlling the overall operation of wirelessly supplying power from the external power source to the locking device, and a use confirmation sensor for checking whether the locker is in use when the locker is installed Wherein the locking device includes a receiving coil for receiving electrical energy from the transfer coil and a bar moving groove through which the locking bar moves,
The control unit includes a transmission coil check module connected to the transmission coil to check whether the door is in the closed state or in an open state, and a control unit for controlling the LED coil, And a USB port control module for checking that an electronic device is inserted into the USB port and supplying power from the external power receiving unit to the electronic device,
Wherein the transmission coil is installed along an outer circumferential surface of the bar receiving groove and the receiving coil is installed along an outer circumferential surface of the bar moving groove so that the transmitting coil and the receiving coil are installed facing each other in a state where the door is closed Locking system using wireless power transmission and charging technology. delete delete delete delete delete The method according to claim 1,
Wherein the locking device comprises a wireless power receiving unit for receiving the power from the receiving coil to operate the locking device, and a charging unit for receiving and charging the power from the wireless power receiving unit. Locking system using technology. 8. The method of claim 7,
Wherein the locking device includes a charging control unit for controlling whether or not the power source is charged in the charging unit,
A charge stop module for stopping charging when the charge amount check module determines that the charge amount is sufficient; and a charge stopping module for generating a sleep signal when the charge stop module stops charging, And a signal generation module. 9. The method of claim 8,
Wherein the locking device includes a management part for controlling overall operation of the locking device,
Wherein the management unit includes a state transition module for switching the locking device to a sleep mode and an operation mode,
Wherein the status switching module comprises: an optimizing module for switching the locking device to a sleep mode upon receiving a sleep signal generated in the signal generating module to minimize power consumption; And a normal operation module for switching and normally operating the wireless power transmission and charging system. 10. The method of claim 9,
The control unit includes a reception coil check module connected to the reception coil to check whether the door is in the closed state or in an open state, and a control unit for controlling the reception coil check module, if the reception coil check module checks that the door is opened, And a charging module for controlling the locking device to operate.

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