CN201750234U - eBooks with Wireless Charging - Google Patents

Abstract

The utility model relates to an e-book with wireless charging, be mainly equipped with the holding portion in the body, the holding portion has the support plate, and this support plate and this body coupling, and be equipped with transmitting circuit on this support plate, send an alternating current signal to the electron device that is equipped with receiving circuit with wireless transmission mode by this transmitting circuit, charge with the rechargeable battery who supplies this receiving circuit, give this electron device with storage electric power and power supply, can avoid because of need charging by charger wired connection and cause the limited problem of application range.

Description

eBooks with Wireless Charging

technical field

The utility model relates to a charging device, in particular to a charging device applicable to electronic books and other related fields.

Background technique

In recent years, due to the continuous advancement of science and technology, people's requirements for electronic products have also increased relatively, especially consumer electronic products. In the past, bulky electronic products (such as CD players, home phones or desktop computers, etc.) Simplified into portable and high-performance electronic products (such as multimedia players (MPEG Audio Layer-3, MP3), mobile phones or notebook computers, etc.), to make people's lives more efficient.

The above-mentioned portable electronic products such as multimedia players and mobile phones use rechargeable batteries such as nickel metal hydride batteries or lithium batteries mostly for the power required in use. The rechargeable batteries are mainly charged by a charging device. The charging device is It includes a charging stand and a socket, the charging stand is connected to the socket in a wired manner, and the charging stand is provided with a charging slot for the rechargeable battery to be placed in the charging slot, and the socket is plugged into a power socket, To provide the required voltage or current for charging, the notebook computer needs to be connected to the power socket by a converter, and the converter provides the required voltage or current for the notebook computer. However, since the above-mentioned portable electronic products must be powered by converters or rechargeable batteries, if people need to use the portable electronic products when they go out, they need to carry different converters or special chargers to make them go out or contact the office. It is inconvenient to carry and reduces the convenience of use. In addition, because the above-mentioned charging device or converter transfers the electric energy required for charging to the rechargeable battery by a wired line connection, its range of use is limited.

In view of this, the author of the present invention is concentrating on research, design and assembly, hoping to provide an electronic book with wireless charging that is convenient to carry and not limited in scope, which is the motivation for the creation of the utility model.

Utility model content

The main purpose of the utility model is to provide an electronic book with wireless charging, so that various electronic products can be charged at the same time without being connected to a special charger separately.

Another object of the present invention is to provide an electronic book with wireless charging, so as to achieve the purpose of wireless charging and avoid limited use range.

In order to achieve the above purpose, the electronic book with wireless charging of the utility model is combined with at least one electronic device, the electronic device is provided with a receiving circuit, and the electronic book with wireless charging includes: a body, including a power supply, and An accommodating portion is provided on the body; a carrier board is connected to the body, and the carrier board is accommodated in the accommodating portion, and the electronic device is positioned on the carrier board; and at least one transmitting circuit is arranged on the On the carrier board, the power supply provides power to the transmitting circuit, the power is converted into an AC signal by the transmitting circuit, and the AC signal is wirelessly sent by the transmitting circuit to the receiving circuit of the electronic device, and the receiving circuit converts the AC signal into electricity and can be charged.

The beneficial effect of the utility model is that it can provide various electronic products that can be charged at the same time without being connected to special chargers separately, and can avoid the problem of limited range of use caused by the need to connect and charge the charger with wires, and improve its usability. The utility of convenience.

Description of drawings

In order to further understand the features, characteristics and technical contents of the present utility model, please refer to the following detailed description and accompanying drawings of the present utility model, but the accompanying drawings are only for reference and illustration, and are not intended to limit the present utility model. in:

FIG. 1A to FIG. 1E are three-dimensional structure schematic diagrams of the first embodiment of the electronic book with wireless charging of the present invention.

FIG. 1F is a schematic diagram of the use state of the first embodiment of the electronic book with wireless charging of the present invention.

1G to 1J are circuit block diagrams of the first embodiment of the electronic book with wireless charging of the present invention.

FIG. 2A to FIG. 2C are perspective structural diagrams of the second embodiment of the electronic book with wireless charging of the present invention.

Detailed ways

first embodiment

Please refer to FIG. 1A to FIG. 1J , which are schematic three-dimensional structural diagrams, schematic diagrams of use states and circuit block diagrams of the first embodiment of the electronic book with wireless charging of the present invention. The electronic book with wireless charging is connected to the main body 100 with a carrier board 120, and the carrier board 120 is provided with a transmitting circuit 130, and the user can arbitrarily position the electronic device 200 provided with the receiving circuit 210 on the main body 100 to For the work that can be charged by wireless transmission.

The main body 100 is to include a power supply 110 (such as a dedicated rechargeable battery or a dedicated power connection line for the main body 100), and the main body 100 is provided with an accommodating portion 101 and a touch screen 102, and the carrier board 120 accommodates Placed in the accommodating portion 101 and connected to the main body 100 for the electronic device 200 to be positioned on the carrier board 120, and a transmitting circuit 130 is provided on the carrier board 120 for the power supply unit 110 to provide power To the transmitting circuit 130, the electric power is converted into the AC signal by the transmitting circuit 130, and the AC signal is wirelessly sent by the transmitting circuit 130 to the receiving circuit 210 of the electronic device 200, for the receiving circuit 210 to convert the AC signal generate electricity to store the electricity and supply power to the electronic device 200 .

The transmitting circuit 130 includes a power amplifying circuit 131 connected to the power supply 110 and a resonant circuit 132 connected to the power amplifying circuit 131, so that the power provided by the power supply 110 is converted into AC by the power amplifying circuit 131 signal, and after the AC signal is amplified by the power amplifier circuit 131, the resonant circuit 132 can obtain resonance energy from the amplified AC signal, and the AC signal is then sent to the receiving circuit 210 by the resonant circuit 132 (as shown in Figure 1G) .

In addition, the transmitting circuit 130 may also include a detection control circuit 133 connected to the resonant circuit 132, a processing circuit 134 connected to the detection control circuit 133, and a processing circuit 134 connected to the power amplifier circuit 131. The drive circuit 135 is used to detect the signal magnitude of the AC signal sent by the resonant circuit 132 by the detection control circuit 133, and the processing circuit 134 presets a setting signal, so that the processing circuit 134 uses the setting signal After comparing with the AC signal, a frequency modulation signal is generated, so that the driving circuit 135 can adjust the frequency according to the frequency modulation signal, and then adjust the power of the power amplifier circuit 131 to feedback control the AC signal sent by the resonant circuit 132, so that the AC The signal has a stable power (as shown in Figure 1H).

Furthermore, the power amplifying circuit 131 and the resonant circuit 132 are both power circuits, and the power amplifying circuit 131 and the resonant circuit 132 can also be integrated into a power integration circuit 136, and the power integration circuit 136 is mainly composed of at least two A circuit composed of metal-oxide-semiconductor field-effect transistors (MOSFETs), that is, the power integration circuit 136 can be electrically connected to form a half-bridge power circuit (as shown in FIG. 1I ) or a full-bridge by the metal-oxide-semiconductor field-effect transistors. Formula power circuit (as shown in Figure 1J).

The electronic device 200 can be a portable electronic product such as a multimedia player or a mobile phone, and the receiving circuit 210 disposed on the electronic device 200 includes an induction resonant circuit 211 and a control circuit 212 connected to the induction resonant circuit 211 and a rechargeable battery 213 connected to the control circuit 212, so that the induction resonance circuit 211 receives the AC signal sent by the transmitting circuit 110, and the control circuit 212 converts the AC signal received by the induction resonance circuit 211 into electric power , and stabilize the electric power, the electric power is stored by the rechargeable battery 213 , and then the rechargeable battery 213 provides power for the electronic device 200 .

In this embodiment, the main body 100 is provided with an accommodating portion 101, and a carrier board 120 is accommodated in the accommodating portion 101, and a transmitting circuit 130 is arranged on the carrier board 120, and the carrier board 120 and the body 100 is pivotally connected so that the carrier 120 can rotate relative to the main body 100 (such as the moving direction A in FIG. 1B and the moving direction B in FIG. 1C ). mobile phone) when charging, the carrier board 120 can be rotated away from the body 100, so that the body 100 and the carrier board 120 are in an unfolded state, so that the electronic device 200 can be positioned on the carrier board 120, so that the The power supply 110 provides power to the transmitting circuit 130, the power is converted into an AC signal through the transmitting circuit 130, and the AC signal is sent to the receiving circuit 210 of each electronic device 200 through the resonant circuit 132 of the transmitting circuit 130, so as to To charge the receiving circuit 210 and supply power to the electronic device 200, that is, when the user operates the touch screen 102 of the main body 100, the portable electronic device can be charged in real time at the same time, so that no separate connection is required Various chargers can be used for charging, and can avoid the problem of limited range of use caused by the need for wired connection of the charger. It can be unfolded or folded according to the user's needs, and has the advantages of easy portability and storage. Improve its ease of use.

second embodiment

Please refer to FIG. 2A to FIG. 2C , which are the three-dimensional structure diagrams of the second embodiment of the electronic book with wireless charging of the present invention. Wherein, this embodiment is the same as the first embodiment, the main difference is that the carrier board 120 is telescopically combined with the body 100 (such as a common telescopic cassette), so that the carrier board 120 can be pressed to move and leave The body 100 (moving direction C as shown in FIG. 2A ) makes the body 100 and the carrier 120 in an unfolded state, and the electronic device 200 can be positioned on the carrier 120, so that the electronic device 200 can be charged in real time, and When the user does not need to use it, he can press the carrier board 120 to move the carrier board 120 toward the main body 100, so that the carrier board 120 is stored in the accommodating portion 101, which is easy to store and carry effect.

To sum up, the electronic book with wireless charging of the present utility model is mainly provided with an accommodating part 101 on the main body 100, and a carrier board 120 is accommodated in the accommodating part 101, and the carrier board 120 is connected with the main body 100 connection, so that when the user wants to charge the electronic device 200 equipped with the receiving circuit 210, the electronic device 200 can be positioned on the carrier board 120, and the transmitting circuit 130 sends an AC signal to the The receiving circuit 210 is used to charge the rechargeable battery 214 of the receiving circuit 210 to store power and supply power to the electronic device 200, which can avoid the problem of limited range of use due to the need to be charged by a wired connection of the charger, and can be used according to the usage It can be unfolded or folded according to the user's needs, and has the advantages of being easy to carry and store, which improves its convenience in use.

The above descriptions are only preferred feasible embodiments of the present utility model, and are not intended to limit the patent scope of the present utility model. All equivalent structural changes made by using the description of the utility model and the contents of the accompanying drawings are all included in this utility model. within the scope of the utility model claims.

Claims (7)

1. An electronic book with wireless charging is combined with at least one electronic device, and the electronic device is provided with a receiving circuit, characterized in that, and the electronic book with wireless charging includes: a body, including a power supply unit, and an accommodating portion is arranged on the body; a carrier board connected to the body, and the carrier board is accommodated in the accommodating portion, and the electronic device is positioned on the carrier board; and At least one transmitting circuit is arranged on the carrier board. 2 . The electronic book with wireless charging as claimed in claim 1 , wherein the transmitting circuit comprises a power amplifying circuit and a resonant circuit, and the power amplifying circuit is connected to the power supply unit. 3 . 3. The electronic book with wireless charging as claimed in claim 2, wherein the transmitting circuit further comprises a detection control circuit, a processing circuit and a driving circuit, the detection control circuit is connected to the resonant circuit, and The processing circuit is connected with the detection control circuit, and the driving circuit is connected with the processing circuit and the power amplifier circuit. 4. The electronic book with wireless charging as claimed in claim 2, wherein the power amplifier circuit and the resonant circuit are integrated into a power integration circuit. 5. The electronic book with wireless charging as claimed in claim 4, wherein the power integration circuit is a circuit composed of at least two metal oxide semiconductor field effect transistors. 6 . The electronic book with wireless charging as claimed in claim 5 , wherein the power integration circuit is one of a half-bridge power circuit and a full-bridge power circuit. 7. The electronic book with wireless charging as claimed in claim 1, wherein the receiving circuit includes an induction resonant circuit, a control circuit, and a rechargeable battery, the control circuit is connected to the inductive resonant circuit, and the rechargeable battery connected to the control circuit.

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