KR101195504B1 - Mobile communication terminal and electric charging module of wireless - Google Patents

Abstract

The present invention relates to a mobile communication terminal and a wireless charging device which is provided with a wireless transmitting and receiving unit in the mobile communication terminal and wireless charging.

The present invention includes a transmitter for converting a predetermined electrical signal into a microwave signal and transmitting the signal according to a charge request detection signal, and a receiver for receiving the microwave signal and converting the microwave signal into a predetermined electrical signal. The effect of solving the constraints of distance and the inconvenience to users is achieved.

Wireless, charging, mobile terminal, charger

Description

Mobile communication terminal and wireless charging device {MOBILE COMMUNICATION TERMINAL AND ELECTRIC CHARGING MODULE OF WIRELESS}

1 is a block diagram of a mobile communication terminal according to an embodiment of the present invention;

2 is a flow chart of the wireless charging of the mobile communication terminal period in accordance with an embodiment of the present invention;

3 is a state diagram of the mobile communication terminal period of charging according to an embodiment of the present invention;

4 is a state diagram of charging between the charger and the charger according to an embodiment of the present invention.

<Description of Symbols for Main Drawings>

100: mobile communication terminal 110: transmission unit

120: receiver 130: central processing unit

140: key input unit 150: memory unit

160: voice processing unit 170: display unit

The present invention relates to a mobile communication terminal and a wireless charging device which is provided with a wireless transmitting and receiving unit in the mobile communication terminal and wireless charging.

Recently, mobile communication terminals have been developed in various forms, and accordingly, there were various charging jacks as well as various types of power chargers. However, these charging jacks have been standardized as a 24-pin charging jack to solve the compatibility problem between the chargers to the users.

However, since the charging is still performed through a wire cable between the charger and the device, the user is considerably troublesome and inconvenient due to the limitation of distance.

In addition, in the case of charging a plurality of terminals with one charger, there is a problem that the terminal can be damaged due to the hassle caused by the manual detachment of the charger and the terminal jack and wear or damage of the connection.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a mobile communication terminal and a wireless charging device for overcoming the limitations of distance and the inconvenience to users by making wireless charging between the charger and the terminal. In providing.

Another object of the present invention is to charge a plurality of terminals at the same time or sequentially with a single charger to overcome the problems of passive detachment of the charger and terminal jack, wear of the connecting portion and damage to the terminal In providing a charging device.

Still another object of the present invention is to provide a mobile communication terminal and a wireless charging device for solving the spatial constraints on power supply by making wireless charging between terminals.

Wireless charging device according to the first aspect of the present invention for achieving the above object,

According to the charge request detection signal has a transmission unit for converting a predetermined electrical signal into a microwave signal for transmission.

It also has a receiver for receiving a microwave signal and converting it into a constant electrical signal.

The apparatus may further include a transmitter configured to convert a predetermined electrical signal into a microwave signal and transmit the power according to a charge request detection signal, and a receiver configured to receive the microwave signal and convert the microwave signal into a predetermined electrical signal.

In detail, the transmission unit includes a converter for converting the electrical signal into a microwave signal, an oscillator for transmitting the power energy converted into the microwave signal at regular intervals, a modulator for modulating the power energy into a bandwidth pulse of a predetermined band, and a modulated signal. And an array antenna for transmitting the microwave signal.

In addition, the receiver is an array antenna for receiving the modulated microwave signal, a converter for converting the microwave signal received from the array antenna into a direct current electrical voltage and converts and outputs a constant voltage, the voltage is processed by a predetermined condition Output power management unit, and a central processing unit for controlling the operation state of each device.

In addition, the power management unit includes a charging unit for transmitting or storing the output voltage according to a predetermined condition and a battery unit for receiving a voltage selectively from the charging unit.

In addition, the predetermined condition is characterized by a large amount of storage voltage, a low state or whether the battery is separated or coupled.

And, the transmission unit is characterized in that the removable from the wireless charging device.

Mobile communication terminal according to a second aspect of the present invention for achieving the above object,

It includes one or more wireless charging device.

Specifically, the wireless charging between the mobile terminal is characterized in that possible.

In addition, the mobile communication terminal is characterized in that a separate wireless charger and wireless charging capable of charging at least one or more mobile communication terminals.

When described in detail based on an exemplary drawing of the present invention having such features as follows.

Referring to FIG. 1, the mobile communication terminal 100 includes a transmitter 110, a receiver 120, a central processor 130, a key input unit 140, a memory unit 150, a voice processor 160, and a display unit. Has 170.

The transmission unit 110 includes a transmission converter 111, an oscillator 112, a modulator 113, and a transmission array antenna 114.

The transmission converter 111 converts the battery power source into a DC power source, and converts the battery power source into a microwave signal. The oscillator 112 transmits the power energy converted into microwaves to the modulator 113, the modulator 113 modulates the power energy into a bandwidth pulse of a predetermined band, and the transmission array antenna 114 is a modulated high frequency electric wave. Send the signal. The transmission unit 110 may be implemented integrally with the mobile communication terminal 100, but a removable part from the mobile communication terminal 100 is also included in the scope of the present invention.

The receiving unit 120 includes a receiving array antenna 121, a receiving converting unit 122, and a power management unit 123. The receiving array antenna 121 receives a microwave electric signal transmitted from the transmitting array antenna 114. The receiving conversion unit 122 converts the received high frequency electric signal into a DC electric signal, and converts the DC electric signal into a required voltage and a current. The power management unit 123 includes a charging unit (not shown) that transmits or stores a certain condition and a battery unit (not shown) that is selectively applied with voltage from the charging unit. When the storage voltage of the voltage transformed from the receiving converter 122 is large, a small amount of voltage is applied accordingly, and when the voltage is small, a large amount of voltage is applied. When the mobile communication terminal 100 and the battery unit are separated, the charging unit stores a predetermined voltage, and when the battery is combined, direct charging is performed.

According to the input signal of the key input unit 140, the central processing unit 130 is connected to the memory unit 150 capable of storing data and signals to control the overall signal processing of each module, the voice processing unit 160 is the signal processing The processing signal according to the signal is converted into an output signal, and the display unit 170 converts the processing signal according to the signal processing into an image signal and displays it.

2 is a flowchart in which wireless charging is performed in a mobile communication terminal provided with a transceiver according to an embodiment of the present invention.

1 and 2, the transmitter 100 that transmits power energy periodically determines whether a sensor is driven (S10) and a charge request signal is detected in order to receive a predetermined signal from the receiver 120. It has a step S12. When the charge request signal is detected, the power transmission unit is turned on (S14), and if the charge request signal is not detected, go to step S10.

Next, the battery voltage on the power transmission unit 100 side is checked (S16), and it is determined whether or not the chargeable voltage is held (S18). If it does not have a chargeable voltage, a message indicating that the power transmission is impossible (S20) and ends. If it has a chargeable voltage, it is checked whether it is ready to receive the power energy of the receiver (S22) and the power transmission is made (S24). When the power transmission is made, the charging mode is driven (S26), and the charge request signal is transmitted to the power transmission unit (S28).

Next, in the step S30 of determining whether an ASK (Amplitude Shift Key) signal is received, if the ASK signal is not received, go to step S28, and if the ASK signal is received, proceed with the charging state (S32), If it is determined that the charging is completed (S34) and the charging is not completed, the process moves to step S32. When charging is completed, the power of the receiver 120 is turned off (S36) and ends.

3 is a state diagram of a mobile communication terminal period of charging according to an embodiment of the present invention.

As shown in Figures 1 to 3, the device as shown in Figure 1 is provided, the 1: 1 wireless charging between the mobile communication terminals (S100, S200) is possible in the flow chart as shown in FIG. In Figure 3, but the mobile communication terminal period 1: 1 wireless charging is shown as an embodiment, the present invention is not limited to the mobile communication terminal, the device shown in Figure 1 is mounted on various mobile or fixed devices, systems If possible, wireless charging is possible.

4 is a state diagram of charging between the charger and the charger according to an embodiment of the present invention.

As shown in FIG. 4, in another embodiment, the charger 400 provided with one transmitter and the plurality of mobile communication terminals 100, 200, and 300 are charged.

As described above, when one charger 400 and a plurality of mobile communication terminals 100, 200, and 300 are charged, charging is sequentially performed between devices, and when one mobile communication terminal is charged, the next mobile communication device charges a request. The signal is sent to charge. When the charging of the final device is completed, the power transmission state of the charger is switched to the OFF state, thereby preventing unnecessary power energy leakage.

What has been described above is only one embodiment for a mobile communication terminal and a wireless charging device according to the present invention, the present invention is not limited to the above-described embodiment, as claimed in the following claims of the present invention Without departing from the gist of the present invention, one of ordinary skill in the art will have the technical spirit of the present invention to the extent that various modifications can be made.

As described above, the present invention achieves the wireless charging between the charger and the terminal to obtain the effect of solving the constraints of distance and the inconvenience to users.

Another effect of the present invention is to charge a plurality of terminals at the same time or sequentially with a charger to obtain the effect of solving the problem of passive detachment of the charger and terminal jack, wear of the connecting portion and damage to the terminal device.

Another effect of the present invention is to achieve the effect of solving the spatial constraints on power supply by making the wireless charging between the terminals.

Claims (11)

A battery unit; A sensor for detecting reception of a charge request signal from at least one external device; A transmission unit for transmitting the power energy stored in the battery unit to the outside; And When the charge request signal is detected through the sensor, the voltage of the battery unit is checked, and when the voltage of the battery unit is equal to or greater than a predetermined voltage value, a charging mode is entered, and the power energy is supplied in response to the charge request signal. And a control unit for transmitting power to an external device of the The transmission unit, A converter for converting a predetermined electric signal into a microwave signal according to the detection of the charge request signal; A modulator for modulating the power energy converted into the microwave signal into a bandwidth pulse of a predetermined band; And Array antenna for transmitting the modulated microwave signal to the external device Wireless charging device comprising a. The method of claim 1, The wireless charging device, And a receiver configured to receive power energy from the at least one external device. The receiving unit An array antenna for receiving a microwave signal modulated with a predetermined bandwidth from the at least one external device; A converting unit converting the microwave signal received by the array antenna into a direct current electrical signal, transforming and outputting the voltage to a predetermined voltage; A power management unit receiving the constant voltage and processing the constant voltage under a predetermined condition and outputting the constant voltage; And Central processing unit for controlling the operation state of each device Wireless charging device comprising a. delete The method of claim 1, The transmission unit Wireless charging device further comprises an oscillator for transmitting the power energy converted into the microwave signal at a predetermined cycle. delete The method of claim 2, The power management unit may further include a charging unit configured to transmit or store the output voltage under a predetermined condition. The battery unit is a wireless charging device, characterized in that for selectively receiving a voltage from the charging unit. The method of claim 6, The predetermined condition is a wireless charging device, characterized in that the storage unit voltage or battery disconnection, the coupling state. The method of claim 1, The transmitter is a wireless charging device, characterized in that detachable from the wireless charging device The method of claim 1, The at least one external device includes at least one mobile communication terminal. The method of claim 1, The sensor detects a charge request signal received from a plurality of external devices, The controller controls to transmit power energy for charging simultaneously or sequentially to the plurality of external devices, and turns off the transmitter when charging is completed for the plurality of external devices. The method of claim 1, The display unit further includes; The controller may display a charge impossible message on the display unit when the voltage of the battery unit is less than a predetermined voltage value.

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