CN201781331U - Adapter with wireless charging - Google Patents

Abstract

The utility model relates to an adapter with wireless charging, be equipped with transmitting circuit mainly on the body, can connect the electron device contact that has receiving circuit on this body to send an alternating current signal to this receiving circuit with wireless transmission mode by this transmitting circuit, charge for this receiving circuit, make it can provide at least an electronic product and need not connect various chargers respectively and can charge simultaneously, and can avoid charging and causing the limited problem of application range because of need by charger wired connection.

Description

Adapter with wireless charging

technical field

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

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

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 through an adapter, and the adapter provides the required voltage or current for the notebook computer. However, since the above-mentioned portable electronic products must be powered by adapters or rechargeable batteries, if people need to use these portable electronic products when they go out, they need to carry different adapters or special chargers to make them go out or use them. It is inconvenient to carry when contacting business, which reduces the convenience of use. In addition, because the above-mentioned charging device or adapter transmits the electric energy required for charging to the rechargeable battery through a wired connection, its range of use is limited. the

In view of this, the inventor of this utility model has devoted himself to research, design and assembly, hoping to provide an adapter with wireless charging that is convenient to carry and not limited by range, which is the motivation for the creation of this utility model. the

Utility model content

The main purpose of the present invention is to provide an adapter with wireless charging, so that at least one electronic product can be charged at the same time without being connected to various chargers separately. the

Another object of the present invention is to provide an adapter with wireless charging to achieve the purpose of wireless charging to avoid limited use range. the

In order to achieve the above purpose, the adapter with wireless charging of the present invention includes: applied to at least one electronic device, the electronic device is provided with a receiving circuit, the adapter with wireless charging includes: a body, which is compatible with the The electronic device is contacted and connected, and the body includes a power supply and at least one transmitting circuit, the power supply supplies power to the transmitting circuit, the power is converted by the transmitting circuit into the AC signal, and the AC signal is wirelessly sent by the transmitting circuit to A receiving circuit of an electronic device, the receiving circuit converts the AC signal into electric power for charging. the

Wherein, the body includes a seat and at least one cover, the power supply is connected to the seat, the cover is connected to the side of the seat, and the transmitting circuit is arranged on one of the seat and the cover superior. the

Wherein, the electronic device is combined with one of the base body and the cover body. the

Wherein, the cover is pivotally connected to the side of the seat. the

Wherein, the connection mode between the body and the electronic device is one of concave-convex groove positioning, magnetic positioning, sound control positioning and light source positioning. the

Wherein, the main body and the electronic device are magnetically positioned, and the main body is provided with a magnetic body, a magnetic conductive part and a heat sink, and the magnetic conductive part is arranged between the magnetic body and the heat sink. the

Wherein, the transmitting circuit includes an oscillating frequency-dividing circuit, a drive amplifier circuit, a primary transmitting resonant circuit and a transmitting coil, the oscillating frequency-dividing circuit is connected with the power supply, and the oscillating frequency-dividing circuit converts the power provided by the power supply into an AC signal , the drive amplifier circuit is connected with the oscillation frequency divider circuit, the drive amplifier circuit amplifies the AC signal converted by the oscillation frequency divider circuit, the primary emission resonance circuit is connected with the drive amplification circuit, and the primary emission resonance circuit drives the The AC signal amplified by the amplifying circuit is resonant, the transmitting coil is connected to the primary transmitting resonant circuit, and the transmitting coil sends the resonant AC signal obtained by the primary transmitting resonant circuit to the receiving circuit. the

Wherein, the transmission circuit further includes a feedback detection circuit and a control adjustment circuit, the feedback detection circuit is connected with the transmission coil, and the control adjustment circuit is connected with the feedback detection circuit and the oscillation frequency division circuit, the feedback detection circuit The circuit feeds back the AC signal sent by the transmitting coil to the control adjustment circuit, and the control adjustment circuit adjusts the oscillation frequency of the oscillation frequency-dividing circuit. the

Wherein, the receiving circuit includes a receiving induction coil, a secondary receiving resonance circuit, an AC/DC rectification, filtering and voltage stabilizing circuit, and a rechargeable battery. The receiving induction coil receives the AC signal sent by the transmitting circuit, and the secondary receiving resonance circuit and the The receiving induction coil is connected, and the secondary receiving resonance circuit resonates the AC signal received by the receiving induction coil. The circuit rectifies and stabilizes the resonant AC signal obtained by the secondary receiving resonance circuit, and converts the AC signal into electric power. The AC/DC rectifying, filtering and stabilizing circuit is connected to the rechargeable battery, which is stored by the The power converted by the AC/DC rectification, filtering and voltage stabilizing circuit. the

The beneficial effect of the utility model is that it can provide at least one electronic product that can be charged at the same time without being connected to various chargers separately, and can avoid the problem of limited range of use caused by the need for wired connection and charging of the charger, and improve its usability. The utility of convenience. the

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. 1 is a schematic perspective view of the first embodiment of the wireless charging adapter of the present invention. the

FIG. 2 is a schematic cross-sectional view of the three-dimensional structure of the first embodiment of the adapter with wireless charging of the present invention. the

FIG. 3 is a schematic diagram of the use state of the first embodiment of the adapter with wireless charging of the present invention. the

4A to 4B are circuit block diagrams of the first embodiment of the adapter with wireless charging of the present invention. the

FIG. 5 is a schematic diagram showing the three-dimensional structure development of the second embodiment of the adapter with wireless charging of the present invention. the

Fig. 6 is a schematic diagram of the three-dimensional structure of the second embodiment of the wireless charging adapter of the present invention. the

FIG. 7 is a schematic diagram of the use state of the second embodiment of the adapter with wireless charging of the present invention. the

FIG. 8 is a schematic exploded view of the three-dimensional structure of the third embodiment of the adapter with wireless charging of the present invention. the

FIG. 9 is a schematic view of the three-dimensional structure of the third embodiment of the adapter with wireless charging of the present invention. the

Detailed ways

first embodiment

Please refer to FIG. 1 to FIG. 4B , which are the three-dimensional structure schematic diagram, the three-dimensional structure cross-sectional schematic diagram, the use state schematic diagram and the circuit block schematic diagram of the first embodiment of the wireless charging adapter of the present invention. The adapter with wireless charging includes a main body 100, the main body 100 is provided with a transmitting circuit 140, and the user can arbitrarily position the electronic device 200 provided with a receiving circuit 210 on the main body 100 for wireless transmission. Charging works. the

The main body 100 is an adapter (Adapter), and the main body 100 includes at least one transmitting circuit 140, a connector 150, a magnetic body 160, a magnetic conductive part 170 and a heat sink 180, and the magnetic body 160 is arranged on the main body 100, and the magnetic conductor 170 is arranged between the magnetic body 160 and the heat sink 180, and the transmitting circuits 140 are arranged on the main body 100 for the power supply 130 to provide power to the transmitting circuit 140 , the electric power is converted into the AC signal by the transmitting circuit 140, and the AC signal is wirelessly sent to the receiving circuit 210 of the electronic device 200 by the transmitting circuit 140, so that the receiving circuit 210 converts the AC signal into electric power for storage The electric power is supplied to the electronic device 200 . the

The transmitting circuit 140 includes an oscillation frequency dividing circuit 141 connected with the power supply 130, a driving amplifier circuit 142 connected with the oscillation frequency dividing circuit 141, a primary transmitting resonant circuit 143 connected with the driving amplifier circuit 142, and A transmitting coil 144 connected to the primary transmitting resonant circuit 143 is used to convert the power provided by the power supply 130 into an AC signal by the oscillating frequency-dividing circuit 141, and after the AC signal is amplified by the driving amplifier circuit 142, it can be obtained by the The primary transmitting resonance circuit 143 resonates the amplified AC signal, and then sends it to the receiving circuit 210 by the transmitting coil 144 (as shown in FIG. 4A , it is a preferred embodiment of the transmitting circuit 140), wherein the AC Signals can be transmitted centrally by the magnetic conductive member 170 , and the heat sink 180 can dissipate the heat generated when the main body 100 is used. the

In addition, as shown in FIG. 4B , optimally, the transmitting circuit 140 may also include a feedback detection circuit 145 connected to the transmitting coil 144 and a feedback detection circuit 145 connected to the oscillation frequency divider circuit 141. Control the adjustment circuit 146, so that the AC signal sent by the transmitting coil 144 is fed back to the control adjustment circuit 146 by the feedback detection circuit 145, so that the control adjustment circuit 146 adjusts the oscillation frequency of the oscillation frequency division circuit 141, and then obtains Best resonance quality. the

The electronic device 200 can be a portable electronic product such as a multimedia player or a mobile phone. Positioning (such as the main body 100 and the electronic device 200 can be provided with corresponding positive and negative magnetic bodies), sound control positioning (such as the main body 100 and the electronic device 200 can be respectively provided with corresponding sound source sensors) and The light source is positioned (for example, the main body 100 and the electronic device 200 can be provided with corresponding light source sensors) and connected to the main body 100 by other means. The receiving circuit 210 provided on the electronic device 200 includes a receiving induction coil 211, a secondary receiving resonance circuit 212 connected to the receiving induction coil 211, and an AC/DC rectifier connected to the secondary receiving resonance circuit 212. Filtering and stabilizing circuit 213 and a rechargeable battery 214 connected to the AC/DC rectifying, filtering and stabilizing circuit 213, so that the receiving induction coil 211 receives the AC signal sent by the transmitting circuit 140, and the AC signal passes through the secondary The receiving resonant circuit 212 obtains resonance, and the AC signal is rectified and stabilized by the AC/DC rectifying, filtering and stabilizing circuit 213, so that the AC signal is converted into electric power, which is stored by the rechargeable battery 214 and then charged by the rechargeable battery 214. The battery 214 provides power for the electronic device 200 . the

In this embodiment, the main body 100 is an adapter for a notebook computer (Notebook, NB), and the main body 100 is provided with a transmitting circuit 140, a magnetic body 160 (such as a magnet), a magnetic conductive member 170 and a heat sink 180, And the two ends of the main body 100 are respectively connected with the power supply 130 and the connecting piece 150, the main body 100 can be electrically connected with a notebook computer 300 by the connecting piece 150, when the user wants to install the electronic device 200 with the magnetic body 220 (such as multimedia players, mobile phones) when charging, the magnetic body 220 of the electronic device 200 and the magnetic body 160 of the main body 100 can attract each other, so that the electronic device 200 is connected to the main body 100, and the power supply The component 130 is plugged into a power socket 400 to provide power from the power supply 130 to the transmitting circuit 140, the power is converted into an AC signal through the transmitting circuit 140, and the AC signal is passed through the transmitting coil 144 of the transmitting circuit 140. The signal is sent to the receiving circuit 210 of each of the electronic devices 200, so as to charge the receiving circuit 210 and supply power to the electronic device 200, that is, the multi-purpose design of the utility model can be used for at least one electronic product. Various chargers need to be connected separately to charge at the same time, and the problem of limited range of use caused by the need for wired connection of the chargers for charging can be avoided, thereby improving the convenience of use. the

Second embodiment

Please refer to FIG. 5 to FIG. 7 , which are schematic diagrams of the three-dimensional structure of the second embodiment of the adapter with wireless charging of the present invention, a schematic diagram of the three-dimensional structure of the folded structure and a schematic diagram of its use state. Among them, this embodiment is the same as the first embodiment, the main difference is that the body 100 includes a base 110 and a cover 120, the cover 120 is arranged on one side of the base 110 for the cover 120 can move or rotate relative to the base body 110, that is, when the cover body 120 moves or rotates in a direction away from the base body 110, the base body 110 and the cover body 120 can be in an unfolded state (as shown in FIG. 5), so that the electronic device 200 can be positioned on the base 110 or the cover 120, that is, the electronic device 200 can only be connected to the base 110, or the electronic device 200 can only be connected to the cover 120, or the base 110 and the cover 120 are respectively connected with an electronic device 200; when the cover 120 moves or rotates toward the base 110, the cover 120 is folded in the seat on the surface of the body 110 (as shown in FIG. 6 ). the

In this embodiment, the cover 120 is pivotally connected to one side of the base 110, and the cover 120 can be rotated away from the base 110, so that the base 110 and the cover 120 are In the unfolded state, the two electronic devices 200 can be positioned on the base 110 and the cover 120, so that each of the electronic devices 200 can be charged in real time, and when the user does not need to use it, the cover 120 can face the The direction of rotation of the base body 110 enables the cover body 120 to be folded on the base body 110 so that it can be unfolded or folded according to the needs of the user, which has the advantages of being easy to carry and store. the

third embodiment

Please refer to FIG. 8 to FIG. 9 , which are schematic diagrams of the three-dimensional structure of the third embodiment of the adapter with wireless charging of the present invention and a schematic diagram of the three-dimensional structure of the collapsed structure. Wherein, the present embodiment is the same as the second embodiment, and the main difference is that the main body 100 includes a base 110 and two covers 120, and the two covers 120 are respectively arranged on two sides of the base 110, and each The cover 120 moves or rotates away from the base 110, so that the base 110 and the covers 120 are unfolded, and at least two electronic devices 200 can be connected to the base 110 and the covers respectively. 120, so that each of the electronic devices 200 can be charged in real time, and when the user does not need to use, each of the covers 120 can be moved or rotated towards the direction of the seat 110, so that each of the covers 120 can be folded in The base body 110 has the functions of easy storage and portability. the

To sum up, the wireless charging adapter of the present invention is mainly provided with a transmitting circuit 140 on the main body 100, so that when the user wants to charge the electronic device 200 equipped with the receiving circuit 210, the electronic device 200 can be charged. The device 200 is connected to the body 100 in contact, and the transmitting circuit 140 sends an AC signal to the receiving circuit 210 in a wireless transmission manner, so that the receiving circuit 210 can be charged to store power and supply power to the electronic device 200, so that It has the characteristics of a multi-purpose design, which can provide at least one electronic product that can be charged at the same time without being connected to various chargers separately, making it easy to carry and store, and avoiding the need to be charged by a wired connection to the charger. A limited range of issues enhances the utility of their ease of use. the

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 utility models. the

Claims (9)

1. the adapter with wireless charging is applied at least one electronic installation, and this electronic installation is provided with a receiving circuit, it is characterized in that, this adapter with wireless charging comprises:

One body, be connected with this electronic installation contact, and this body includes a power elements and at least one radiating circuit, this power elements provides electrical power to this radiating circuit, this electric power converts this AC signal to by this radiating circuit, this AC signal is wirelessly transmitted to the receiving circuit of this electronic installation by this radiating circuit, and this receiving circuit converts this AC signal to electric power and can charge.

2. the adapter with wireless charging as claimed in claim 1 is characterized in that, wherein, this body comprises a pedestal and at least one lid, this power elements is connected with this pedestal, and this lid is connected in the side of this pedestal, and radiating circuit is located on one of them of this pedestal and this lid.

3. the adapter with wireless charging as claimed in claim 2 is characterized in that, wherein, this electronic installation combines with one of them of this pedestal and this lid.

4. the adapter with wireless charging as claimed in claim 2 is characterized in that, wherein, this lid is articulated in the side of this pedestal.

5. the adapter with wireless charging as claimed in claim 1 is characterized in that, wherein, the connected mode of this body and this electronic installation is wherein a kind of of tongue and groove location, magnetic location, sound control location and light source location.

6. the adapter with wireless charging as claimed in claim 5 is characterized in that, wherein, this body and this electronic installation are magnetic location, and this body is provided with magnetic, magnetic conductive part and fin, and this magnetic conductive part is located between this magnetic and this heat sink.

7. the adapter with wireless charging as claimed in claim 1, it is characterized in that, wherein, this radiating circuit comprises the concussion frequency eliminating circuit, drive amplifying circuit, emission resonance circuit and transmitting coil, this concussion frequency eliminating circuit is connected with this power elements, this concussion frequency eliminating circuit becomes AC signal with the power conversions that this power elements provides, this drives amplifying circuit and is connected with this concussion frequency eliminating circuit, this driving amplifying circuit will shake the AC signal amplification that frequency eliminating circuit is changed, this emission resonance circuit is connected with this driving amplifying circuit, this emission resonance circuit will drive the AC signal that amplifying circuit amplifies and obtain resonance, emission resonance circuit of this transmitting coil and this is connected, and this transmitting coil is sent to this receiving circuit with the AC signal of this obtained resonance of emission resonance circuit.

8. the adapter with wireless charging as claimed in claim 7, it is characterized in that, wherein, this radiating circuit further comprises feedback circuit for detecting and control adjustment circuit, this feedback circuit for detecting is connected with this transmitting coil, and should be connected with this feedback circuit for detecting and this concussion frequency eliminating circuit by control adjustment circuit, this feedback circuit for detecting is fed back to this control with the AC signal that this transmitting coil sent and adjusts circuit, and the concussion frequency that circuit is adjusted this concussion frequency eliminating circuit is adjusted in this control.

9. the adapter with wireless charging as claimed in claim 1, it is characterized in that, wherein, this receiving circuit comprises induction receiving coil, secondary receives resonant circuit, AC/DC rectification filtering voltage stabilizing circuit and rechargeable battery, this induction receiving coil receives the AC signal that this radiating circuit sends, this secondary receives resonant circuit and is connected with this induction receiving coil, this secondary receives resonant circuit the AC signal that this induction receiving coil received is obtained resonance, this AC/DC rectification filtering voltage stabilizing circuit receives resonant circuit with this secondary and is connected, this AC/DC rectification filtering voltage stabilizing circuit carries out rectification and voltage stabilizing with the AC signal that this secondary receives the obtained resonance of resonant circuit, and convert this AC signal to electric power, this AC/DC rectification filtering voltage stabilizing circuit is connected with this rechargeable battery, and this rechargeable battery stores the electric power of being changed by this AC/DC rectification filtering voltage stabilizing circuit.

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