KR20210058775A - A Wireless Charger for a Portable Electronic Device with a Operating Sensor - Google Patents

Abstract

The present invention relates to a wireless charger for a portable electronic device with a sensor-operating structure, and more particularly, to a wireless charger for a portable electronic device with a sensor-operating structure so as to be activated by detecting motion or touch. The wireless charger for a portable electronic device with a sensor-operating structure includes: a motion detection sensor (12) for detecting the movement of an object or a position of the object; a touch sensor (13) operated by applied pressure or touch; a detection information processing unit (11) that processes information received from the motion detection sensor (12) and the touch sensor (13); an operation control unit (14) for controlling the operation of the hand (15) according to the information transmitted from the detection information processing unit (11); and a charging unit (16) activated on the basis of the status of the hand (15) or information transmitted from operation control unit (14).

Description

A Wireless Charger for a Portable Electronic Device with a Operating Sensor}

The present invention relates to a wireless charger for a portable electronic device having a sensor operation structure, and more particularly, to a wireless charger for a portable electronic device having a sensor operation structure that detects and operates motion or touch.

Portable electronic devices such as smart phones are operated by power supplied from the battery, and the battery needs to be periodically charged. Charging can be done wirelessly or wired, and various charging technologies are known in the art. Patent Registration No. 10-1443007 discloses a cradle for a portable terminal capable of wireless charging in which the portable terminal is charged only by placing the portable terminal in the cradle and inserting a flip cover into the cradle. In addition, Patent Registration No. 10-1751820 discloses a wireless charger capable of wireless charging during use through a portable terminal.

In a wireless charger fixed in a vehicle or similar place, electronic devices must be placed in the wireless charger for charging, and the charging process may be inconvenient depending on the installation location of the wireless charger, and charging may not be possible due to various causes during the charging process. . Therefore, there is a need to develop a wireless charger that allows the charging process to be confirmed while simply placing the portable electronic device on the wireless charger, but the prior art does not disclose this.

The present invention has the following objects to solve the problems of the prior art.

Prior Art 1: Patent Registration No. 10-1443007 (diaed Co., Ltd., announced on September 23, 2014) Mobile terminal cradle capable of wireless charging Prior Art 2: Patent Registration No. 10-1751820 (Dongchun Lim, announced on June 29, 2017) Wireless charger with mounting structure

It is an object of the present invention to provide a wireless charger for a portable electronic device having a sensor operation structure that can be simply placed in a wireless charger, detachable, and a charging process can be confirmed.

According to a preferred embodiment of the present invention, a wireless charger for a portable electronic device having a sensor operating structure includes a motion detection sensor for detecting movement of an object or a position of the object; A touch sensor operated by an applied pressure or touch; A motion detection sensor and a detection information processing unit processing information received from the touch sensor; An operation control unit that controls the operation of the hand according to the information transmitted from the detection information processing unit; And a charging unit that is operated based on the status of the hand or information transmitted from the operation control unit.

According to another suitable embodiment of the present invention, the hand comprises one and two grippers arranged to face each other, and a contact fixing means is arranged on each gripper.

According to another suitable embodiment of the present invention, it further comprises a contact detection unit disposed on the hand or an error detection unit disposed on the charging unit.

The wireless charger according to the present invention has a cradle and charging function of a portable electronic device and is installed in various locations to enable charging of a portable electronic device. For example, a wireless charger is installed in a vehicle so that it can be easily mounted and removed, while charging errors due to various external shocks can be identified. The wireless charger according to the present invention can be fixed in various positions through structural changes and can be applied to charging various electronic devices.

1 shows an embodiment of a wireless charger for a portable electronic device having a sensor operation structure according to the present invention.
2 shows an embodiment of a wireless charger having a mounting function of a portable electronic device.
3 shows an embodiment of an operation process of a wireless charger.

In the following, the present invention will be described in detail with reference to the embodiments shown in the accompanying drawings, but the embodiments are for a clear understanding of the present invention, and the present invention is not limited thereto. In the following description, components having the same reference numerals in different drawings have similar functions, so if they are not necessary for the understanding of the invention, they will not be described repeatedly, and well-known components will be briefly described or omitted, but the present invention It should not be understood as being excluded from the embodiment of.

1 shows an embodiment of a wireless charger for a portable electronic device having a sensor operation structure according to the present invention.

Referring to FIG. 1, a wireless charger for a portable electronic device includes a motion detection sensor 12 for detecting movement of an object or location of an object; A touch sensor 13 operated by an applied pressure or touch; A detection information processing unit 11 that processes information received from the motion detection sensor 12 and the touch sensor 13; An operation control unit 14 for controlling the operation of the hand 15 according to the information transmitted from the detection information processing unit 11; And a charging unit 16 that is operated based on the status of the hand 15 or information transmitted from the operation control unit 14.

The wireless charger may be installed on a vehicle, a table, or other suitable device or structure to have the function of a cradle, and may have various fixing means for this. Wireless chargers can be applied to charging mobile devices such as smartphones, tablets, or similar portable electronic devices.

The motion detection sensor 12 may be a motion sensor and may have a function of detecting a portable electronic device approaching with a wireless charger. The motion detection sensor 12 may be an infrared sensor, an ultrasonic sensor, an optical sensor, or a sensor similar thereto, but is not limited thereto. The motion detection sensor 12 may include at least one sensor, and may detect an object or a portable electronic device approaching the charging unit of the wireless charger. The detection information detected from the motion detection sensor 12 may be transmitted to the detection information processing unit 11. The detection information processing unit 11 may have a function of converting information transmitted from the motion detection sensor 12 into a processable electrical signal and transmitting the converted information to the operation control unit 14. In addition, the detection information processing unit 11 may have a function of determining whether a signal detected from the motion detection sensor 12 corresponds to an operation for charging. All objects or motions may be detected by the motion detection sensor 12 and transmitted to the detection information processing unit 11. The detection information processing unit 11 may include an information identification unit 111, and the information identification unit 111 is for charging based on the detection time, the number of detections, the state of the received signal by reflection, or similar information. Whether it is an action can be determined. And when it is determined that the signal for charging is determined, the operation signal may be transmitted to the operation control unit 14. The operation control unit 14 can operate the hand by determining an operation method based on the transmitted operation signal. The method of operation refers, for example, to determining whether the hand 15 is open or closed, the operating time of the hand 15 or how the hand 15 is moved. The operation control unit 14 can also transmit an operation signal to the charging unit 16, and the charging unit 16 can thus be put into a charging standby state. The operation control unit 15 can operate the hand 15 according to the determined operating method, and the hand 15 can be opened for charging, for example. When the hand 15 is opened, a portable electronic device such as a smartphone may be mounted on the charging unit 16 for charging. A contact sensor is disposed on the surface of the charging unit 16 or on the hand 15 so that the portable electronic device may be detected, and when the hand 15 is moved to a predetermined position, charging may be started. Depending on the design structure, the hand 15 can function as a switch of the charging unit 16, and after the hand 15 is opened, when the movement to the position where the portable electronic device is gripped is completed, the switch is operated to start charging. I can.

A display means may be installed to display the charging process, or the state of charge may be transmitted to the portable electronic device. In addition, the touch sensor 13 may be operated to complete charging or to stop charging. The touch sensor 13 may be operated in such a way that a user touches or presses a button with, for example, a thumb or another finger, thereby opening the hand 15. The touch information detected by the touch sensor 13 can be transmitted to the detection information processing unit 11 and an operation signal can be transmitted from the detection information processing unit 11 to the operation control unit 14. The operation control unit 14 can also send an operation signal to the charging unit 16 to stop the operation of the charging unit 16. In addition, the hand 15 may be opened and then closed again, and the operation method of the hand 15 may be determined by the operation control unit 14. Depending on how the hand 15 is operated, a time to open the hand 15, a time to be held after being opened, or a time to be closed after being opened may be determined. The hand 15 may also be closed based on information transmitted from a contact sensor installed on the upper side of the charging unit 16 or at another suitable location.

The opening time, closing time, or opening and closing time of the hand 15 can be set in various ways, for example, the opening and closing time is 0.5 to 2 seconds, and the opening and closing time is 0.5 to 2 seconds. As such, it may be set in various ways, and the opening and closing operation of the hand 15 may be initiated based on information transmitted from the sensor as needed.

The hand 15 can be operated in various ways and is not limited to the presented embodiment.

2 shows an embodiment of a wireless charger having a mounting function of a portable electronic device.

Referring to FIG. 2, the wireless charger may have a structure installed in a vehicle, includes 1 and 2 grippers 23a and 23b disposed to face each other, and contact fixing means ( 231) is placed.

The fixed base 25 may be fixed to the vehicle or the table so as to be detachable, and the fixed base 25 may be fixed by a vacuum adsorption method, an adhesive tape method, or a similar method, but is not limited thereto. The linear inclined member 26 above the fixed base 25 may be coupled by an adjustment screw 251, and the linear inclined member 26 has one end coupled to the fixed base 25 to have various inclinations. Can be adjusted. A wireless charging module 21 having a drum shape as a whole may be coupled to the end of the linear inclined member 26, and the wireless charging module 21 is capable of adjusting the direction or inclination with respect to the linear inclined member 26. It may be coupled, and an adjustment screw 261 for adjusting the inclination or direction may be coupled to the end of the linear inclined member 26.

The wireless charging module 21 may be made of a drum type, a box type, a polygonal plate, or a variety of structures similar thereto, and is not limited to the presented embodiment. The wireless charging module 21 may have an accommodation space capable of accommodating various electronic components, circuits, boards, or devices therein, and a charging pad 22 may be disposed on a front surface thereof. When the back surface or the charging surface of the portable electronic device comes into contact with the charging pad 22, an internal charging circuit is operated to start charging. The motion detection sensor 12 may be installed on the charging pad 22, and the touch sensor 13 may be installed on the circumferential surface of the wireless charging module 21 or at another suitable location. In order to separate the electronic device from the wireless charger, the touch sensor 13 may be installed in a position in which the electronic device can be easily touched with a little finger or another finger while being held by a hand.

1 and 2 grippers 23a and 23b may be disposed at positions facing each other of the wireless charging module 21, and the 1 and 2 grippers 23a and 23b may be operated in a sliding manner. In order to grip the portable electronic device, the 1 and 2 grippers 23a and 23b may be moved outward in a sliding manner to increase the gap, and when the portable electronic device is positioned on the charging pad 22, the 1 and 2 grippers 23a and 23b ) Is restored to its original position while moving back inward, whereby the portable electronic device may be coupled to the wireless charging module 21 to be in a state of being able to be charged. Power supply to the wireless charging module 21 may be made through various cables connected to the supply port 24.

According to one embodiment of the present invention, a contact fixing means may be coupled to the inner surfaces of the 1st and 2nd grippers 23a and 23b, respectively, and the contact fixing means 231 becomes a disk shape and pressure against the portable electronic device. It can be made in a structure that applies to. Specifically, a leaf spring, a coil spring, or an elastic pad may be disposed between the inner surfaces of the 1st and 2nd grippers 23a, 23b and the contact fixing means 231, thereby applying pressure by the contact fixing means 231. At the same time, it can absorb shocks such as vibration.

The motion detection sensor 12 or the touch sensor 13 may be disposed in various locations that enable detection of a portable electronic device and facilitate operation, and the charging pad 22 may be made in various structures.

3 shows an embodiment of an operation process of a wireless charger.

Referring to FIG. 3, a contact state of a portable electronic device may be detected by the contact detection unit 33, and the contact detection unit 33 may be installed on, for example, 1 or 2 grippers or charging pads. The contact detection unit 33 may be such as a pressure sensor or a load cell, and may have a function of controlling the operation of the wireless charger according to the operation sensor 32. The actuation sensor 32 includes the motion detection sensor and touch sensor described above.

The information detected by the operation sensor 32 or the contact detection unit 33 can be transmitted to the control module 31, and the control module 31 includes the operation control unit or detection information processing unit described above.

The wireless charger may include a battery detection unit 34, and information detected by the battery detection unit 34 may be transmitted to the control module 31. In addition, the information generating unit 35 may be installed to display information on the charging process. For example, the information generation unit 35 may display charging process information by means such as operation of a display element, information transmission to a smartphone, or generation of vibration.

The portable electronic device may be charged by the operation of the wireless charging circuit 36, and an error occurring in the charging process may be detected by the error detection unit 37. The error detection unit 37 may detect an error of information transmitted from the contact detection unit 33, a battery of a portable electronic device, or a charging circuit 36 itself. For example, if the portable electronic device and the charging pad are separated by external vibration during the charging process, it may be detected by the contact detection unit 33, and the error detection unit 37 is detected and transmitted to the information generating unit 35. I can. In addition, if charging is not performed in a contacted state, it may be detected by the error detection unit 37 and transmitted to the information generating unit 35. Additionally, the error detection unit 37 may have a function of stopping the operation of the charging circuit 36. As described above, the wireless charger may be installed in a vehicle to have a function of a cradle, and when charging is completed in a mounted state, the error detection unit 37 may detect this and cut off the connection to the supply port. In addition, when the operation of the vehicle is stopped, it may detect this, transmit the related information to the information generating unit 35, and block the connection to the supply port.

Various charging defects or errors that may occur during the charging process may be detected by the error detection unit 37 and related information may be generated, and the present disclosure is not limited thereto.

The present invention has been described in detail above with reference to the presented embodiments, but those of ordinary skill in this field will be able to make various modifications and modifications without departing from the technical spirit of the present invention with reference to the presented embodiments. . The present invention is not limited by such modifications and modifications, but is limited by the claims appended below.

11: detection information processing unit 12: motion detection sensor
13: touch sensor 14: operation control unit
15: hand 16: charging unit
21: wireless charging module 22: charging pad
23a, 23b: 1, 2 gripper 24: supply port
25: fixed base 26: linear inclined member
31: control module 32: operation sensor
33: contact detection unit 34: battery detection unit
35: information generating unit 36: wireless charging circuit
37: error detection unit 111: operation control module
231: contact fixing means 251: adjustment screw
261: adjustment screw

Claims (1)

A wireless charging module 21 in which the charging pad 22 is disposed on the front surface while being in the shape of a drum type, a box type, or a polygonal plate;
A motion detection sensor 12 installed on the charging pad 22, including an infrared sensor, an ultrasonic sensor, or an optical sensor for detecting the movement of the object or the position of the object;
A touch sensor 13 installed on the circumferential surface of the wireless charging module 21 and operated by an applied pressure or touch;
A detection information processing unit 11 that processes information received from the motion detection sensor 12 and the touch sensor 13;
An information identification unit 111 installed in the information processing unit 11 to determine whether the operation is for charging based on the detection time, the number of detections, or the state information of the received signal by reflection;
A hand 15 including one and two grippers 23a and 23b on which the contact fixing means 231 are disposed while being disposed to face each other;
An operation control unit 14 for controlling the operation of the hand 15 according to the information transmitted from the detection information processing unit 11;
A charging unit 16 that operates on the basis of the status of the hand 15 or information transmitted from the operation control unit 14; And
It is disposed on the charging unit 16 and includes an error detection unit 37 that stops the operation of the charging circuit 36 when charging is not made while the portable electronic device is in contact,
A portable electronic device, characterized in that a touch sensor for detecting a portable electronic device is disposed on the hand 15, and after the hand 15 is opened, when the movement to the position where the portable electronic device is gripped is completed, a switch is operated to start charging. Wireless charger for your device.

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