CN111327095A - Wireless charging equipment and method - Google Patents
Wireless charging equipment and method Download PDFInfo
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- CN111327095A CN111327095A CN202010118772.0A CN202010118772A CN111327095A CN 111327095 A CN111327095 A CN 111327095A CN 202010118772 A CN202010118772 A CN 202010118772A CN 111327095 A CN111327095 A CN 111327095A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
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- Computer Networks & Wireless Communication (AREA)
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- Near-Field Transmission Systems (AREA)
Abstract
The invention relates to a wireless charging device and a method, which are characterized in that the wireless charging device comprises a first data sending chip, a second data sending chip, a wireless transmitting coil, a wireless receiving coil and a power supply; the first data sending chip and the wireless sending coil are both arranged on a receiving end object, and the second data sending chip and the wireless receiving coil are both arranged on a sending end object; the first data sending chip is used for sending a signal to be transmitted to the second data sending chip through the wireless transmitting coil and the wireless receiving coil, and the second data sending chip receives the signal to be transmitted and sends the signal to the external MCU chip; the second data sending chip is used for sending the signal to be transmitted to the first data sending chip through the wireless receiving coil and the wireless transmitting coil, and the first data sending chip receives the signal to be transmitted and sends the signal to the external MCU chip.
Description
Technical Field
The invention relates to wireless charging equipment and a wireless charging method, and belongs to the field of wireless charging.
Background
In the prior art, there are various charging devices, including a wired charging mode or a wireless charging mode, and power is supplied to the devices in a wired or wireless mode. Nowadays, portable devices, intelligent devices and the like in the current market all adopt wireless charging devices to charge the portable devices, the intelligent devices and the like. However, the wireless charging devices in the prior art can only transmit electric energy, and cannot transmit data, for example, an intelligent handheld toolbox needs to be charged in a wireless charging manner, and also needs to communicate with a base to perform bidirectional data transmission (including information on the number of objects inside the toolbox), so a wireless charging device capable of performing data transmission while charging is urgently needed.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a wireless charging apparatus and method capable of data transmission while wireless charging.
In order to achieve the purpose, the invention adopts the following technical scheme: a wireless charging device is characterized by comprising a first data transmission chip, a second data transmission chip, a wireless transmitting coil, a wireless receiving coil and a power supply; the first data sending chip and the wireless sending coil are both arranged on a receiving end object, the second data sending chip and the wireless receiving coil are both arranged on a sending end object, and the positions of the wireless sending coil and the wireless receiving coil correspond to each other; the first data sending chip is used for sending a signal to be transmitted to the second data sending chip through the wireless transmitting coil and the wireless receiving coil, and the second data sending chip receives the signal to be transmitted sent by the first data sending chip and sends the signal to be transmitted to an external MCU chip; the second data sending chip is used for sending a signal to be transmitted to the first data sending chip through the wireless receiving coil and the wireless transmitting coil, and the first data sending chip receives the signal to be transmitted sent by the second data sending chip and sends the signal to be transmitted to an external MCU chip; the power supply is connected with the wireless receiving coil and used for charging the receiving end object through the wireless receiving coil and the wireless transmitting coil.
Further, the first data sending chip is further configured to send a feedback signal to the second data sending chip through the wireless transmitting coil via the wireless receiving coil when receiving a signal to be transmitted, which is sent by the second data sending chip; the second data sending chip is also used for sending a feedback signal to the first data sending chip through the wireless receiving coil and the wireless transmitting coil when receiving a signal which is sent by the first data sending chip and needs to be transmitted.
Further, the first data transmission chip is provided with a first high-frequency oscillator, a first modem, a first amplifier and a first clock module, and the second data transmission chip is provided with a second high-frequency oscillator, a second modem, a second amplifier and a second clock module; the first high-frequency oscillator/the second high-frequency oscillator is used for generating a high-frequency carrier signal and sending the high-frequency carrier signal to the corresponding first modem/second modem; the first modem/the second modem is used for synthesizing a signal to be transmitted and a high-frequency carrier signal and then sending the signal to the corresponding first amplifier/the second amplifier, or demodulating the modulated carrier signal and the high-frequency carrier signal and then sending the signal to the corresponding first amplifier/the second amplifier; the first amplifier/the second amplifier is used for amplifying the synthesized carrier signal to obtain a modulated carrier signal and sending the modulated carrier signal to the second high-frequency oscillator/the first high-frequency oscillator; the first amplifier/the second amplifier is also used for amplifying the demodulated carrier signal to obtain a signal to be transmitted, transmitting the signal to an external MCU chip and transmitting a feedback signal to the second data transmitting chip/the first data transmitting chip; the first clock module/the second clock module is used for providing a clock source for the first high-frequency oscillator/the second high-frequency oscillator.
Furthermore, the first modem and the second modem both adopt wireless modems with amplitude modulation and frequency modulation, and when the receiving end object transmits data to the transmitting end object, the first modem adopts an amplitude modulation mode to modulate signals; and when the transmitting end object transmits data to the receiving end object, the second modem modulates the signal in a frequency modulation mode.
Furthermore, the first data sending chip and the second data sending chip both adopt data sending chips with the model number SKY 1311T.
Furthermore, the TX1 pin of the first/second data transmitting chip is connected in parallel to one end of a first resistor and the wireless transmitting coil/wireless receiving coil through a first capacitor, the other end of the first resistor is connected to the RX1 pin of the first/second data transmitting chip, the other end of the wireless transmitting coil/wireless receiving coil is connected in parallel to one end of a second capacitor and a second resistor, the other end of the second capacitor is connected to the TX2 pin of the first/second data transmitting chip, and the other end of the second resistor is connected to the RX2 pin of the first/second data transmitting chip; and a third capacitor and a third resistor are connected in parallel between two end points of the wireless transmitting coil/wireless receiving coil.
Furthermore, the shells of the transmitting end object and the receiving end object are made of iron sheet metal materials.
Furthermore, the outer sides of the wireless transmitting coil and the wireless receiving coil are wrapped by iron sheets, and the openings of the wireless transmitting coil and the wireless receiving coil are filled with plastics.
A wireless charging method is characterized by comprising the following steps: 1) a first data sending chip and a wireless sending coil are arranged on a receiving end object, and a second data sending chip and a wireless receiving coil are arranged on a sending end object used for charging the receiving end object; 2) when a receiving end object needs to be charged and data is transmitted, a first data sending chip on the receiving end object sends a signal needing to be transmitted to a second data sending chip on a transmitting end object through a wireless transmitting coil and a wireless receiving coil, or the second data sending chip on the transmitting end object sends the signal needing to be transmitted to the first data sending chip on the receiving end object through the wireless receiving coil and the wireless transmitting coil; meanwhile, the wireless receiving coil on the transmitting end object is connected with a power supply, and the receiving end object is charged through the wireless receiving coil and the wireless transmitting coil.
Further, in step 2), when the receiving end object needs to be charged and the receiving end object needs to send data to the transmitting end object, the specific process is as follows:
A) a first high-frequency oscillator on a receiving end object generates a high-frequency carrier signal and sends the high-frequency carrier signal to a first modem; B) the first modem synthesizes a signal to be transmitted and a high-frequency carrier signal in an amplitude modulation mode, obtains a modulated carrier signal after the signal is amplified by a first amplifier, and sends the modulated carrier signal to a transmitting end object through a wireless transmitting coil and a wireless receiving coil; C) a second high-frequency oscillator on the transmitting end object generates a high-frequency carrier signal and sends the high-frequency carrier signal to a second modem; D) the second modem demodulates the modulated carrier signal, obtains a signal to be transmitted after the signal is amplified by the second amplifier, sends the signal to an external MCU chip for further operation, and sends a feedback signal to a receiving end object through the wireless receiving coil and the wireless transmitting coil;
the specific process when the receiving end object needs to be charged and the transmitting end object needs to send data to the receiving end object is as follows:
a) a second high-frequency oscillator on the transmitting end object generates a high-frequency carrier signal and sends the high-frequency carrier signal to a second modem; b) the second modem synthesizes the signal to be transmitted and the high-frequency carrier signal in a frequency modulation mode, obtains a modulated carrier signal after being amplified by a second amplifier, and sends the modulated carrier signal to a receiving end object through a wireless receiving coil and a wireless transmitting coil; c) a first high-frequency oscillator on a receiving end object generates a high-frequency carrier signal and sends the high-frequency carrier signal to a first modem; d) the first modem demodulates the modulated carrier signal, obtains a signal to be transmitted after the signal is amplified by the first amplifier, sends the signal to an external MCU chip for further operation, and sends a feedback signal to a transmitting end object through the wireless transmitting coil and the wireless receiving coil.
Due to the adoption of the technical scheme, the invention has the following advantages:
1. the invention is provided with the receiver and the transmitter, the receiver is arranged on the receiving end object, and the transmitter is arranged on the transmitting end object, so that the receiving end object can be charged through the transmitting end object, the bidirectional data transmission between the transmitting end object and the receiving end object can be realized, and the uplink or downlink data requirements can be met.
2. The invention meets the communication requirement without additional hardware, can save hardware cost, reduces the assembly space of the product, and can be widely applied to the field of wireless charging.
Drawings
FIG. 1 is a schematic diagram of a first data transmitting chip in the receiver according to the present invention;
FIG. 2 is a schematic diagram of a second data transmitting chip in the transmitter according to the present invention;
FIG. 3 is a schematic diagram of a receiver according to the present invention;
FIG. 4 is a schematic diagram of the structure of the transmitter of the present invention;
fig. 5 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The present invention is described in detail below with reference to the attached drawings. It is to be understood, however, that the drawings are provided solely for the purposes of promoting an understanding of the invention and that they are not to be construed as limiting the invention.
As shown in fig. 1 to 4, the wireless charging device provided by the present invention includes a receiver and a transmitter, wherein the receiver includes a first data transmitting chip 1 and a wireless transmitting coil 2, the first data transmitting chip 1 is provided with a first high-frequency oscillator 11, a first modem 12, a first amplifier 13 and a first clock module 14, the transmitter includes a second data transmitting chip 3, a wireless receiving coil 4 and a power supply, and the second data transmitting chip 3 is provided with a second high-frequency oscillator 31, a second modem 32, a second amplifier 33 and a second clock module 34.
The receiver is arranged on the receiving end object, the transmitter is arranged on the transmitting end object, and the wireless transmitting coil 2 on the receiving end object corresponds to the wireless receiving coil 4 on the transmitting end object in position.
The first high frequency oscillator 11 is used to generate a high frequency carrier signal and send it to the first modem 12.
The first modem 12 is configured to synthesize a signal (a low-frequency square wave digital signal, such as a material signal) to be transmitted, which is defined by a user, that is, a modulation signal and a high-frequency carrier signal, and then send the synthesized signal to the first amplifier 13; alternatively, the modulated carrier signal and the high-frequency carrier signal are demodulated and transmitted to the first amplifier 13.
The first amplifier 13 is configured to amplify the synthesized carrier signal to obtain a modulated carrier signal, and send the modulated carrier signal to the second high-frequency oscillator 31 through the wireless transmitting coil 2 and the wireless receiving coil 4; or, the demodulated carrier signal is amplified to obtain a signal to be transmitted, and the signal is sent to an external MCU (micro control Unit) chip (an optional serial port, a serial peripheral interface SPI, a two-wire time serial bus I2C, etc., which is the preferred serial port) and a feedback signal is sent to the second data sending chip 3 through the wireless sending coil 2 and the wireless receiving coil 4.
The first clock module 14 is used to provide a clock source for the first high frequency oscillator 11.
The second high frequency oscillator 31 is used to generate a high frequency carrier signal and send it to the second modem 32.
The second modem 32 is configured to demodulate the modulated carrier signal and the high-frequency carrier signal and send the demodulated carrier signal and the high-frequency carrier signal to the second amplifier 33; alternatively, the signal to be transmitted and the high-frequency carrier signal are combined and sent to the second amplifier 33.
The second amplifier 33 is used for amplifying the demodulated carrier signal to obtain a signal to be transmitted, and transmitting the signal to an external MCU chip and transmitting a feedback signal to the first data transmitting chip 1 on the receiving end object through the wireless receiving coil 4 and the wireless transmitting coil 2; or, the synthesized carrier signal is amplified to obtain a modulated carrier signal, and the modulated carrier signal is transmitted to the first high-frequency oscillator 11 through the wireless receiving coil 4 via the wireless transmitting coil 2.
The second clock module 34 is used to provide a clock source for the second high-frequency oscillator 31.
The power supply is connected with the wireless receiving coil 4 and is used for charging the receiving end object through the wireless receiving coil 4 and the wireless transmitting coil 2.
In a preferred embodiment, first modem 12 and second modem 32 are each provided with two inputs for receiving modulated or demodulated signals, one input for receiving a high frequency carrier signal, and one output for outputting a combined or demodulated carrier signal. For example: the first modem 12 and the second modem 32 may each employ a transistor, the base and the emitter of which are two inputs, and the collector of which is the output.
In a preferred embodiment, the first modem 12 and the second modem 32 both use am/fm wireless modems, and when the receiving object transmits data to the transmitting object, the first modem 12 modulates the signal in am; when the transmitting end object transmits data to the receiving end object, the second modem 32 modulates the signal in a frequency modulation manner.
As shown in figure 3 of the drawings, as shown in fig. 4, in a preferred embodiment, the first data transmitting chip 1 and the second data transmitting chip 3 may both adopt data transmitting chips with model number SKY1311T, the TX1 pin of the first data transmitting chip 1/the second data transmitting chip 3 is connected in parallel to one end of the first resistor and the wireless transmitting coil 2/the wireless receiving coil 4 through the first capacitor, the other end of the first resistor is connected to the RX1 pin of the first data transmitting chip 1/the second data transmitting chip 3, the other end of the wireless transmitting coil 2/the wireless receiving coil 4 is connected in parallel to one end of the second capacitor and the second resistor, the other end of the second capacitor is connected to the TX2 pin of the first data transmitting chip 1/the second data transmitting chip 3, and the other end of the second resistor is connected to the RX2 pin of the first data transmitting chip 1/the second data transmitting chip 3. And a third capacitor and a third resistor are connected in parallel between two end points of the wireless transmitting coil 2/the wireless receiving coil 4.
In a preferred embodiment, the rate of data transmission between the transmitter and the receiver is no less than 100 bytes per second.
In a preferred embodiment, the transmitting end object is immovable and the receiving end object is movable, and the housings of the transmitting end object and the receiving end object are made of iron-clad metal materials.
In a preferred embodiment, the outsides of the wireless transmitting coil 2 and the wireless receiving coil 4 are wrapped by iron sheets, and openings of the wireless transmitting coil 2 and the wireless receiving coil 4 are filled with plastics, so as to prevent wireless signals from being shielded, ensure the directivity of communication signals and avoid crosstalk of the signals. When the wireless transmitting coil 2 and the wireless receiving coil 4 are in contact, the distance between the two is less than 5 mm.
As shown in fig. 5, the following describes in detail the method for using the wireless charging device of the present invention with an intelligent box as a specific embodiment:
1) set up the receiver on intelligent box, set up the transmitter on being used for the tray that charges with intelligent box cooperation use for intelligent box, wherein, wireless transmitting coil 2 sets up in the bottom of intelligent box, and wireless receiving coil 4 sets up the top at the tray.
2) When the intelligent box needs to be charged and data is transmitted, a first data sending chip 1 on the intelligent box sends a signal needing to be transmitted to a second data sending chip 3 on the tray through a wireless sending coil 2 and a wireless receiving coil 4, or the second data sending chip 3 on the tray sends the signal needing to be transmitted to the first data sending chip 1 on the intelligent box through the wireless receiving coil 4 and the wireless sending coil 3; simultaneously, second data transmission chip 3 on the tray is connected the power, charges for intelligent box through wireless receiving coil 4 through wireless transmitting coil 2, specifically is:
2.1) when the smart box needs to be charged and the smart box needs to send data to the tray:
A) a first high frequency oscillator 11 on the smart box generates a high frequency carrier signal and sends it to a first modem 12.
B) The first modem 12 synthesizes a signal to be transmitted and a high-frequency carrier signal in an amplitude modulation mode, obtains a modulated carrier signal after the signal is amplified by the first amplifier 13, and sends the modulated carrier signal to the tray through the wireless transmitting coil 2 and the wireless receiving coil 4.
C) A second high frequency oscillator 31 on the pallet generates a high frequency carrier signal and sends it to a second modem 32.
D) The second modem 32 demodulates the modulated carrier signal and amplifies the demodulated carrier signal by the second amplifier 33 to obtain a signal to be transmitted, and sends the signal to an external MCU chip for further operation, and sends a feedback signal to the smart box through the wireless receiving coil 4 and the wireless transmitting coil 2.
2.2) when the smart box needs to be charged and the tray needs to send data to the smart box:
a) a second high frequency oscillator 31 on the pallet generates a high frequency carrier signal and sends it to a second modem 32.
b) The second modem 32 synthesizes the signal to be transmitted and the high-frequency carrier signal in a frequency modulation manner, and obtains a modulated carrier signal after being amplified by the second amplifier 33, and the modulated carrier signal is sent to the intelligent box through the wireless receiving coil 4 and the wireless transmitting coil 2.
c) A first high frequency oscillator 11 on the smart box generates a high frequency carrier signal and sends it to a first modem 12.
d) The first modem 12 demodulates the modulated carrier signal and amplifies the demodulated carrier signal by the first amplifier 13 to obtain a signal to be transmitted, and sends the signal to an external MCU chip for further operation, and sends a feedback signal to the tray by the wireless transmitting coil 2 and the wireless receiving coil 4.
2.3) second data send chip 3 on the tray connects the power, charges for the intelligent box through wireless receiving coil 4 through wireless transmitting coil 2.
The above embodiments are only used for illustrating the present invention, and the structure, connection mode, manufacturing process, etc. of the components may be changed, and all equivalent changes and modifications performed on the basis of the technical solution of the present invention should not be excluded from the protection scope of the present invention.
Claims (10)
1. A wireless charging device is characterized by comprising a first data transmission chip, a second data transmission chip, a wireless transmitting coil, a wireless receiving coil and a power supply;
the first data sending chip and the wireless sending coil are both arranged on a receiving end object, the second data sending chip and the wireless receiving coil are both arranged on a sending end object, and the positions of the wireless sending coil and the wireless receiving coil correspond to each other;
the first data sending chip is used for sending a signal to be transmitted to the second data sending chip through the wireless transmitting coil and the wireless receiving coil, and the second data sending chip receives the signal to be transmitted sent by the first data sending chip and sends the signal to be transmitted to an external MCU chip;
the second data sending chip is used for sending a signal to be transmitted to the first data sending chip through the wireless receiving coil and the wireless transmitting coil, and the first data sending chip receives the signal to be transmitted sent by the second data sending chip and sends the signal to be transmitted to an external MCU chip;
the power supply is connected with the wireless receiving coil and used for charging the receiving end object through the wireless receiving coil and the wireless transmitting coil.
2. The wireless charging device of claim 1, wherein the first data transmitting chip is further configured to transmit a feedback signal to the second data transmitting chip through the wireless transmitting coil via the wireless receiving coil when receiving a signal to be transmitted, which is transmitted by the second data transmitting chip;
the second data sending chip is also used for sending a feedback signal to the first data sending chip through the wireless receiving coil and the wireless transmitting coil when receiving a signal which is sent by the first data sending chip and needs to be transmitted.
3. The wireless charging device according to claim 2, wherein the first data transmitting chip is provided with a first high-frequency oscillator, a first modem, a first amplifier, and a first clock module, and the second data transmitting chip is provided with a second high-frequency oscillator, a second modem, a second amplifier, and a second clock module;
the first high-frequency oscillator/the second high-frequency oscillator is used for generating a high-frequency carrier signal and sending the high-frequency carrier signal to the corresponding first modem/second modem;
the first modem/the second modem is used for synthesizing a signal to be transmitted and a high-frequency carrier signal and then sending the signal to the corresponding first amplifier/the second amplifier, or demodulating the modulated carrier signal and the high-frequency carrier signal and then sending the signal to the corresponding first amplifier/the second amplifier;
the first amplifier/the second amplifier is used for amplifying the synthesized carrier signal to obtain a modulated carrier signal and sending the modulated carrier signal to the second high-frequency oscillator/the first high-frequency oscillator; the first amplifier/the second amplifier is also used for amplifying the demodulated carrier signal to obtain a signal to be transmitted, transmitting the signal to an external MCU chip and transmitting a feedback signal to the second data transmitting chip/the first data transmitting chip;
the first clock module/the second clock module is used for providing a clock source for the first high-frequency oscillator/the second high-frequency oscillator.
4. The wireless charging device as claimed in claim 3, wherein the first modem and the second modem are both am-fm wireless modems, and when the receiving object transmits data to the transmitting object, the first modem modulates the signal in am; and when the transmitting end object transmits data to the receiving end object, the second modem modulates the signal in a frequency modulation mode.
5. The wireless charging device of claim 1, wherein the first data transmitting chip and the second data transmitting chip are data transmitting chips with model number SKY 1311T.
6. The wireless charging device as claimed in claim 5, wherein the TX1 pin of the first/second data transmitting chip is connected in parallel to a first resistor and one end of the wireless transmitting/receiving coil through a first capacitor, the other end of the first resistor is connected to the RX1 pin of the first/second data transmitting chip, the other end of the wireless transmitting/receiving coil is connected in parallel to a second capacitor and one end of a second resistor, the other end of the second capacitor is connected to the TX2 pin of the first/second data transmitting chip, and the other end of the second resistor is connected to the RX2 pin of the first/second data transmitting chip; and a third capacitor and a third resistor are connected in parallel between two end points of the wireless transmitting coil/wireless receiving coil.
7. A wireless charging apparatus as claimed in any of claims 1 to 6, wherein the housing of the transmitting end object and the receiving end object are both made of sheet metal material.
8. The wireless charging device as claimed in any one of claims 1 to 6, wherein the outer sides of the wireless transmitting coil and the wireless receiving coil are wrapped by iron sheet, and the openings of the wireless transmitting coil and the wireless receiving coil are filled with plastic.
9. A wireless charging method is characterized by comprising the following steps:
1) a first data sending chip and a wireless sending coil are arranged on a receiving end object, and a second data sending chip and a wireless receiving coil are arranged on a sending end object used for charging the receiving end object;
2) when a receiving end object needs to be charged and data is transmitted, a first data sending chip on the receiving end object sends a signal needing to be transmitted to a second data sending chip on a transmitting end object through a wireless transmitting coil and a wireless receiving coil, or the second data sending chip on the transmitting end object sends the signal needing to be transmitted to the first data sending chip on the receiving end object through the wireless receiving coil and the wireless transmitting coil; meanwhile, the wireless receiving coil on the transmitting end object is connected with a power supply, and the receiving end object is charged through the wireless receiving coil and the wireless transmitting coil.
10. The wireless charging method according to claim 9, wherein in step 2), when the receiving-end object needs to be charged and the receiving-end object needs to send data to the transmitting-end object, the specific process is as follows:
A) a first high-frequency oscillator on a receiving end object generates a high-frequency carrier signal and sends the high-frequency carrier signal to a first modem;
B) the first modem synthesizes a signal to be transmitted and a high-frequency carrier signal in an amplitude modulation mode, obtains a modulated carrier signal after the signal is amplified by a first amplifier, and sends the modulated carrier signal to a transmitting end object through a wireless transmitting coil and a wireless receiving coil;
C) a second high-frequency oscillator on the transmitting end object generates a high-frequency carrier signal and sends the high-frequency carrier signal to a second modem;
D) the second modem demodulates the modulated carrier signal, obtains a signal to be transmitted after the signal is amplified by the second amplifier, sends the signal to an external MCU chip for further operation, and sends a feedback signal to a receiving end object through the wireless receiving coil and the wireless transmitting coil;
the specific process when the receiving end object needs to be charged and the transmitting end object needs to send data to the receiving end object is as follows:
a) a second high-frequency oscillator on the transmitting end object generates a high-frequency carrier signal and sends the high-frequency carrier signal to a second modem;
b) the second modem synthesizes the signal to be transmitted and the high-frequency carrier signal in a frequency modulation mode, obtains a modulated carrier signal after being amplified by a second amplifier, and sends the modulated carrier signal to a receiving end object through a wireless receiving coil and a wireless transmitting coil;
c) a first high-frequency oscillator on a receiving end object generates a high-frequency carrier signal and sends the high-frequency carrier signal to a first modem;
d) the first modem demodulates the modulated carrier signal, obtains a signal to be transmitted after the signal is amplified by the first amplifier, sends the signal to an external MCU chip for further operation, and sends a feedback signal to a transmitting end object through the wireless transmitting coil and the wireless receiving coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010118772.0A CN111327095A (en) | 2020-02-25 | 2020-02-25 | Wireless charging equipment and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010118772.0A CN111327095A (en) | 2020-02-25 | 2020-02-25 | Wireless charging equipment and method |
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| Publication Number | Publication Date |
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| CN111327095A true CN111327095A (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010118772.0A Pending CN111327095A (en) | 2020-02-25 | 2020-02-25 | Wireless charging equipment and method |
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| CN (1) | CN111327095A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102263441A (en) * | 2010-05-27 | 2011-11-30 | 富达通科技股份有限公司 | Data transmission method for inductive power supply |
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| CN206611244U (en) * | 2016-10-28 | 2017-11-03 | 中兴新能源汽车有限责任公司 | Wireless charging system and automobile wireless charging device |
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2020
- 2020-02-25 CN CN202010118772.0A patent/CN111327095A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102263441A (en) * | 2010-05-27 | 2011-11-30 | 富达通科技股份有限公司 | Data transmission method for inductive power supply |
| JP2013251952A (en) * | 2012-05-30 | 2013-12-12 | Toyota Industries Corp | Power feeding device and charging device and power feeding method and power feeding program |
| CN106506420A (en) * | 2015-09-08 | 2017-03-15 | 飞思卡尔半导体公司 | The wireless charger of usage frequency aliasing FSK demodulation |
| CN206611244U (en) * | 2016-10-28 | 2017-11-03 | 中兴新能源汽车有限责任公司 | Wireless charging system and automobile wireless charging device |
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| Title |
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