CN111446744A - Wireless charging device - Google Patents
Wireless charging device Download PDFInfo
- Publication number
- CN111446744A CN111446744A CN201910040158.4A CN201910040158A CN111446744A CN 111446744 A CN111446744 A CN 111446744A CN 201910040158 A CN201910040158 A CN 201910040158A CN 111446744 A CN111446744 A CN 111446744A
- Authority
- CN
- China
- Prior art keywords
- coil
- data information
- sine wave
- wireless charging
- control assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005516 engineering process Methods 0.000 abstract description 8
- 230000001965 increasing effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- CNQCVBJFEGMYDW-UHFFFAOYSA-N lawrencium atom Chemical compound [Lr] CNQCVBJFEGMYDW-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- H04B5/72—
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a wireless charging device, which comprises a product receiving end and a charging transmitting end. The product receiving end comprises a first control assembly and a first coil, the first control assembly is used for converting data information into sine wave signals, the first coil is electrically connected with the first control assembly, the sine wave signals comprising the data information are converted into electromagnetic waves through the first control assembly, and the electromagnetic waves comprising the data information are emitted. The charging transmitting terminal comprises a second control component and a second coil. The second coil corresponds to the first coil and is used for sensing electromagnetic waves including data information and converting the electromagnetic waves into sine wave signals, and the second control assembly is electrically connected with the second coil and is used for acquiring the data information in the sine wave signals. Therefore, data can be transmitted in the electronic product with the wireless charging technology without increasing too much cost and the internal space of the electronic product.
Description
Technical Field
The present invention relates to a wireless charging device, and more particularly, to a wireless charging device capable of transmitting information.
Background
The wireless charging technology is a technology for realizing efficient transmission of electric energy by transferring charges in the air between a charger and equipment through magnetic resonance and forming resonance between the charger and the equipment through a coil and a capacitor.
Currently, many electronic product industries adopt wireless charging technology to replace contact charging technology to charge the battery of the device. The introduction of the wireless charging technology can enable the electronic product shell to be integrally formed, a charging hole does not need to be reserved, the waterproof performance of the electronic product is greatly improved, the corrosion-prone performance of the metal contact of the electronic product is eliminated, and meanwhile, the electronic product is more attractive.
However, the electronic product using the wireless charging technology has a disadvantage that the outside cannot confirm the current status information of the electronic product because there is no connection point with the outside, such as: the operating state of the product or the internal information of the product, such as the battery capacity of the electronic product. The existing solution is to add a bluetooth function in the electronic product to transmit the related information of the electronic product. However, the bluetooth module requires a large enough space and is not suitable for some small electronic products or medical devices, such as: audiphone, Electrocardio (ECG) bracelet etc. increase bluetooth module and also increased electronic product's development cost, the design complexity, simultaneously again shortens the duration of inside battery greatly.
Therefore, how to transmit data in an electronic product with wireless charging technology without increasing too much cost and internal space of the electronic product has become an important issue to be solved by the industry.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a new wireless transmission, which realizes carrier communication by means of a wireless charging function in a product, transmits information in a closed device to a terminal device, receives data, and can perform special coding and special identification on the carrier communication.
According to the above objective, the present invention provides a wireless charging device, which includes a product receiving end and a charging transmitting end. The product receiving end comprises a first control assembly and a first coil, the first control assembly is used for converting data information into sine wave signals, the first coil is electrically connected with the first control assembly, the sine wave signals comprising the data information are converted into electromagnetic waves through the first control assembly, and the electromagnetic waves comprising the data information are emitted. The charging transmitting terminal comprises a second control component and a second coil. The second coil corresponds to the first coil and is used for sensing electromagnetic waves including data information and converting the electromagnetic waves into sine wave signals, and the second control assembly is electrically connected with the second coil and is used for acquiring the data information in the sine wave signals.
Furthermore, the first coil is a receiving coil, the second coil is a transmitting coil, the second coil is used for transmitting the electromagnetic wave with power electric wave, and the first coil is used for receiving the electromagnetic wave with power electric wave.
Furthermore, the product receiving end further comprises a Rectifier Filter (Rectifier Filter), the Rectifier Filter is electrically connected with the first coil and is used for converting the electromagnetic wave into a sine wave signal.
Furthermore, the product receiving terminal is disposed on an electronic device, and the charging transmitting terminal is disposed on a wireless charging device.
Further, the data information is product specification, product model or power information of the electronic device.
Furthermore, the charging transmitting terminal further comprises a decoding circuit, the decoding circuit is electrically connected with the second coil, and the decoding circuit is used for decoding the data information in the sine wave signal.
Furthermore, the product receiving end further comprises an encoder for encoding the data information into the sine wave signal.
Furthermore, the charging transmitting terminal further transmits the data information to a calculator device for display.
According to the above objective, the present invention provides a wireless charging device, which includes a product receiving end and a charging transmitting end. The product receiving end comprises a first control assembly, a first coil and a rectifying filter, the first control assembly is used for converting data information into sine wave signals, the first coil is electrically connected with the first control assembly, the sine wave signals containing the data information are converted into electromagnetic waves through the first control assembly, and the electromagnetic waves containing the data information are emitted. The rectifying filter is electrically connected with the first coil and is used for converting the electromagnetic wave into a sine wave signal. The charging transmitting terminal comprises a second control component and a second coil, the second coil corresponds to the first coil and is used for sensing electromagnetic waves including data information and converting the electromagnetic waves into sine wave signals, and the second control component is electrically connected with the second coil and is used for acquiring the data information in the sine wave signals.
Furthermore, the first coil is a receiving coil, the second coil is a transmitting coil, the second coil is used for transmitting the electromagnetic wave with power electric wave, and the first coil is used for receiving the electromagnetic wave with power electric wave.
The wireless charging device has the advantages that the wireless charging device does not need to be additionally provided with too many electronic components to transmit data information through wireless charging, does not need complicated coding and decoding actions, and achieves the purpose of transmitting simple data.
For a better understanding of the features and technical content of the present invention, reference should be made to the following detailed description of the invention and accompanying drawings, which are provided for purposes of illustration and description only and are not intended to limit the invention.
Drawings
Fig. 1 is a circuit block diagram of a wireless charging device according to an embodiment of the invention.
Fig. 2 is a waveform diagram of a sine wave.
Fig. 3 is a waveform diagram of a sine wave containing information.
Fig. 4 is a waveform diagram of an encoded sine wave.
Fig. 5 is a circuit block diagram of a wireless charging device according to another embodiment of the invention.
Detailed Description
The following is a description of the embodiments of the present disclosure related to a wireless charging device, and those skilled in the art will understand the advantages and effects of the present disclosure from the disclosure of the present disclosure. The invention is capable of other and different embodiments and its several details are capable of modification and various other changes, which can be made in various details within the specification and without departing from the spirit and scope of the invention. The drawings of the present invention are for illustrative purposes only and are not intended to be drawn to scale. The following embodiments will further explain the related art of the present invention in detail, but the disclosure is not intended to limit the scope of the present invention.
It will be understood that, although the terms first, second, third, etc. may be used herein to describe various components or signals, these components or signals should not be limited by these terms. These terms are used primarily to distinguish one element from another element or from one signal to another signal. In addition, the term "or" as used herein should be taken to include any one or combination of more of the associated listed items as the case may be.
For clarity of explanation, in some cases the present techniques may be presented as including individual functional blocks comprising functional blocks, including steps or routes in a method implemented in a device, device component, software, or a combination of hardware and software.
An apparatus implementing methods in accordance with these disclosures may include hardware, firmware, and/or software, and may take any of a variety of forms. Typical examples of such features include laptops, smart phones, small personal computers, personal digital assistants, and the like. The functionality described herein may also be implemented in a peripheral device or in an embedded card. By way of further example, such functionality may also be implemented on different chips or on different boards executing different programs on a single device.
Examples of the invention
Fig. 1 is a circuit block diagram of a wireless charging device, and as shown in fig. 1, a wireless charging device 10 according to an embodiment of the present invention includes a product receiving terminal 101 and a charging transmitting terminal 102. The product receiving end 101 includes a first control element 103 and a first coil 104, and the charging transmitting end 102 includes a second control element 105 and a second coil 106. In a preferred embodiment of the present invention, the product receiving terminal 101 may be disposed on an electronic device, and the charging transmitting terminal 102 may be disposed on a wireless charging device.
The first control assembly 103 is used for adding data information into a sine wave signal, and the first coil 104 is electrically connected with the first control assembly 103 and used for transmitting the sine wave signal in an electromagnetic wave mode. The second coil 106 of the charging transmitting terminal 102 corresponds to the first coil 104 of the product receiving terminal 101, and when the product receiving terminal approaches the charging transmitting terminal, the second coil 106 will induce the electromagnetic wave transmitted by the first coil 104 and convert the electromagnetic wave into a sine wave signal with data information. The second control module 105 is electrically connected to the second coil, and the second control module 105 is used for acquiring data information in the sine wave direct current signal. In addition, in various embodiments, the product receiving end 101 may further include a Rectifier Filter (Rectifier Filter)107, the Rectifier Filter 107 is electrically connected to the first coil 104, and the Rectifier Filter 107 of the product receiving end 101 is configured to convert the electromagnetic wave into a sine wave.
Further, the first control component 103 can be used to control the first coil 104 to convert the sine wave into the electromagnetic wave. The first coil 104 is also called a receiving coil and is mainly used for receiving electromagnetic waves, and the second coil 106 is also called a transmitting coil and is mainly used for transmitting electromagnetic waves. However, the first coil 104 may also transmit electromagnetic waves to transmit data information, and the second coil 106 may also receive electromagnetic waves. The first coil 104 and the second coil 106 are magnetically inductive to transmit power therebetween, and the wireless charging is normally transmitted as a sine wave 20 of fixed frequency and fixed voltage amplitude, as shown in fig. 2. The sine wave passes through the second coil 106, a changing magnetic field is generated through a changing voltage, when the first coil 104 of the product receiving end 101 is within the magnetic field range of the second coil 106 of the charging transmitting end 102, the first coil 104 induces the changing magnetic field, a changing electromagnetic wave is generated inside the first coil 104, the changing electromagnetic wave is converted into a sine wave direct current through the rectifier filter 107, the sine wave direct current is transmitted to the second control assembly 105, and the second control assembly 105 can convert the direct current voltage into an alternating current voltage for being supplied to product equipment.
In the embodiment of the present invention, when the product receiving end 101 is within the range of the magnetic field of the charging transmitting end 102, during the power transmission process, the product receiving end 101 may transmit the data information of the electronic device to the charging transmitting end 102 in addition to receiving the electromagnetic wave transmitted by the charging transmitting end 102. The data information of the electronic device may be the product specification, the product model, or the power information of the electronic device, and the data of the electronic device is added to the sine wave signal by the second control module 105, and the sine wave signal is transmitted from the product receiving terminal 101 to the charging transmitting terminal 102 by the electromagnetic induction between the second coil 106 and the first coil 104, and the charging transmitting terminal 102 may interpret the data information in the sine wave signal by the second control module 105 and then display the data information on the charging transmitting terminal 102. Alternatively, in various embodiments, the charging transmitter 102 may include a decoding circuit 108, the decoding circuit 108 is electrically connected to the second coil 106, and the decoding circuit 108 decodes the data information in the sine wave signal, but is not limited thereto. Moreover, in the embodiment of the invention, the data information can be further transmitted to a calculator device, and then the data information of the electronic equipment is displayed on the screen of the calculator device.
It should be noted that the data information transmitted by the product receiving end 101 may be simply encoded, for example, as shown in fig. 3, the amplitude of the sine wave 30 is increased to achieve the purpose of simple encoding. And the data information code of the product receiving end 101 can be identified and displayed only by the matched equipment. In other words, only the charging transmitter 102 can identify the data information code transmitted by the product receiver 101, and if different charging transmitters are used, the data information code transmitted by the product receiver 101 cannot be identified. The charging transmitting terminal 102 of the present invention can not only be used by the matching product receiving terminal 101, but also be used by other product receiving terminals, and the only difference is that the charging transmitting terminal 102 of other products cannot identify the encoded data transmitted by the non-matching product receiving terminal.
Fig. 4 is a waveform diagram of product information data encoded in a sine wave signal, and fig. 5 is a circuit block diagram of another wireless charging device that is not in use according to the present invention. In various embodiments, the product receiving end 101 may include an encoder 109 for encoding data information of the electronic device into a sine wave signal, as shown in fig. 4. The charging transmitting terminal 102 is used for distinguishing from other power transmission sine wave waveforms, the charging transmitting terminal 102 selects sine waves carrying information through the identification of different levels by the main first control component 103, decodes the sine waves according to a coding rule, and finally displays the sine waves to a user at a terminal.
The wireless charging device has the advantages that the wireless charging device does not need to be additionally provided with too many electronic components to transmit data information through wireless charging, does not need complicated coding and decoding actions, and achieves the purpose of transmitting simple data.
The disclosure is only a preferred embodiment of the invention and should not be taken as limiting the scope of the invention, which is defined by the appended claims.
Claims (10)
1. A wireless charging apparatus, comprising:
a product receiving end, including a first control assembly and a first coil, the first control assembly is used for converting data information and adding the data information into sine wave signals, the first coil is electrically connected with the first control assembly, so as to convert the sine wave signals including the data information into electromagnetic waves and transmit the electromagnetic waves including the data information; and
the charging transmitting terminal comprises a second coil and a second control assembly, the second coil corresponds to the first coil and is used for sensing the electromagnetic waves including the data information and converting the electromagnetic waves into sine wave signals, and the second control assembly is electrically connected with the second coil and is used for acquiring the data information in the sine wave signals.
2. The wireless charging apparatus according to claim 1, wherein the first coil is a receiving coil, the second coil is a transmitting coil, the second coil is configured to transmit the electromagnetic wave having a power electric wave, and the first coil is configured to receive the electromagnetic wave having a power electric wave.
3. The wireless charging device of claim 1, wherein the product receiving end further comprises a rectifying filter electrically connected to the first coil for converting the electromagnetic wave into the sine wave signal.
4. The wireless charging apparatus of claim 1, wherein the product receiving terminal is disposed on an electronic device, and the charging transmitting terminal is disposed on a wireless charging device.
5. The wireless charging apparatus of claim 4, wherein the data information is a product specification, a product model, or power information of the electronic device.
6. The wireless charging device of claim 1, wherein the charging transmitter further comprises a decoding circuit, the decoding circuit is electrically connected to the second coil, and the decoding circuit decodes the data information in the sine wave signal.
7. The wireless charging device of claim 1, wherein the product receiving end further comprises an encoder for encoding the data information into the sine wave signal.
8. The wireless charging device of claim 1, wherein the charging transmitter further transmits the data message to a computer device for display.
9. A wireless charging apparatus, comprising:
a product receiving end, comprising a first control assembly, a first coil and a rectifier filter, wherein the first control assembly is used for converting data information into a sine wave signal, the first coil is electrically connected with the first control assembly, the sine wave signal comprising the data information is converted into an electromagnetic wave through the first control assembly, and the electromagnetic wave comprising the data information is emitted, and the rectifier filter is connected with the first coil and is used for converting the electromagnetic wave into the sine wave signal; and
and the charging transmitting terminal comprises a second coil and a second control component, the second coil corresponds to the first coil and is used for sensing the electromagnetic waves including the data information and converting the electromagnetic waves into sine wave signals, and the second control component is electrically connected with the second coil and is used for acquiring the data information in the sine wave signals.
10. The wireless charging apparatus according to claim 9, wherein the first coil is a receiving coil, the second coil is a transmitting coil, the second coil is configured to transmit the electromagnetic wave having a power electric wave, and the first coil is configured to receive the electromagnetic wave having a power electric wave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910040158.4A CN111446744A (en) | 2019-01-16 | 2019-01-16 | Wireless charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910040158.4A CN111446744A (en) | 2019-01-16 | 2019-01-16 | Wireless charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111446744A true CN111446744A (en) | 2020-07-24 |
Family
ID=71653899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910040158.4A Pending CN111446744A (en) | 2019-01-16 | 2019-01-16 | Wireless charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111446744A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208843A (en) * | 2013-04-08 | 2013-07-17 | 四川长虹电器股份有限公司 | Charging device, receiving device and wireless charging system and wireless charging method thereof |
| CN103280899A (en) * | 2013-05-24 | 2013-09-04 | 奇瑞汽车股份有限公司 | Wireless charging receiving device, wireless charging transmitting device and wireless charging system |
| CN105871079A (en) * | 2016-05-20 | 2016-08-17 | 华中科技大学 | Wireless transmission system applicable to intelligent milling cutter |
| CN107947388A (en) * | 2012-12-12 | 2018-04-20 | 高通股份有限公司 | System and method for promoting to avoid wireless charging interconnection |
| JP2018191358A (en) * | 2017-04-28 | 2018-11-29 | キヤノン株式会社 | Contactless power supply control method |
-
2019
- 2019-01-16 CN CN201910040158.4A patent/CN111446744A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947388A (en) * | 2012-12-12 | 2018-04-20 | 高通股份有限公司 | System and method for promoting to avoid wireless charging interconnection |
| CN103208843A (en) * | 2013-04-08 | 2013-07-17 | 四川长虹电器股份有限公司 | Charging device, receiving device and wireless charging system and wireless charging method thereof |
| CN103280899A (en) * | 2013-05-24 | 2013-09-04 | 奇瑞汽车股份有限公司 | Wireless charging receiving device, wireless charging transmitting device and wireless charging system |
| CN105871079A (en) * | 2016-05-20 | 2016-08-17 | 华中科技大学 | Wireless transmission system applicable to intelligent milling cutter |
| JP2018191358A (en) * | 2017-04-28 | 2018-11-29 | キヤノン株式会社 | Contactless power supply control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103703732B (en) | Use the two-way communication and equipment of wireless power signal | |
| CN104145402B (en) | The method of modulation radio power signal transmission | |
| CN101536345B (en) | Near-field communication (NFC) activates | |
| CN103814559B (en) | By the wireless power receiver of wireless power signal, transmitter and control method | |
| CN105867711B (en) | A kind of true person's handwriting stylus and touch device | |
| EP2933757B1 (en) | Communication device, communication method, integrated circuit, and electronic instrument | |
| JP6768902B2 (en) | Power receiving device | |
| JP2001307032A (en) | Portable terminal | |
| KR20080076477A (en) | Mobile communication device and battery recharge method thereof | |
| US11876576B2 (en) | Methods, apparatus and system for bidirectional wireless charging in wearable devices | |
| CN101783944B (en) | Wireless image and electric power transmission device and wireless image and electric power transmission method | |
| CN202077102U (en) | Realization device for near field communication (NFC) mobile phone | |
| CN113937832A (en) | Charging cable, and identification method and system of charging cable | |
| CN104601778A (en) | Reminding device of intelligent electronic equipment | |
| CN111446744A (en) | Wireless charging device | |
| CN216625389U (en) | Wireless charging equipment | |
| CN105550740B (en) | Non-contact IC card and its operation method, card reader and its card reading method | |
| US20120176316A1 (en) | Wireless Mouse Supplier and Wireless Mouse Supply System | |
| CN112313855B (en) | System for transmitting energy and exchanging data between electronic devices | |
| CN105471023A (en) | Wireless charging method, device and system of implantable chips | |
| CN207337440U (en) | A kind of RFID reader based on arrowband Internet of Things | |
| CN107067063B (en) | Intelligent electronic device | |
| US20190132058A1 (en) | Communication through modulated electromagnetic emissions | |
| CN209250637U (en) | A kind of structure improving radio frequency space | |
| CN215344569U (en) | NFC device and mobile terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200724 |
|
| WD01 | Invention patent application deemed withdrawn after publication |