CN204424946U - A kind of wireless charging device with NFC function - Google Patents
A kind of wireless charging device with NFC function Download PDFInfo
- Publication number
- CN204424946U CN204424946U CN201520016000.0U CN201520016000U CN204424946U CN 204424946 U CN204424946 U CN 204424946U CN 201520016000 U CN201520016000 U CN 201520016000U CN 204424946 U CN204424946 U CN 204424946U
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- module
- nfc
- wireless charging
- chip microcomputer
- power conversion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Abstract
The utility model relates to a kind of wireless charging device with NFC function, comprise supply module, single-chip microcomputer, power conversion modules, signal pre-processing module and NFC module, described single-chip microcomputer connects supply module, power conversion modules, signal pre-processing module and NFC module, described power conversion modules is connected with transmitting coil, this transmitting coil is connected with wireless charging receiver, described NFC module is connected with antenna by filter, the utility model adopts single-chip microcomputer and NFC module to coordinate, utilize the wireless communication technology of NFC chip, instruction that remote device sends can be received and carry out data communication, and information feed back is processed to single-chip microcomputer, realize charging device and remote device can carry out data interaction and communication, monitor and forecast can be carried out to charge rate and charged level, wireless charger is had apply widely.
Description
Technical field
The utility model relates to wireless charger field, particularly relates to a kind of wireless charging device that can be carried out data communication by NFC.
Background technology
Current wireless charging technology is with induction the most popular with magnetic resonance type.The feature of induction wireless charging technology is that charging distance is short, the diameter of induction coil is smaller, operating frequency is lower, and now main is main industry standard with QI standard; The feature of magnetic resonance type wireless charging is that charging distance is relatively long, induction coil diameter is larger, operating frequency is higher, and now main is main industry standard with A4WP standard.
But be no matter the wireless charger based on QI standard or the wireless charger of A4WP standard, all there is certain problem, namely charging device and other equipment (such as by charging device or other remote device) cannot carry out data communication, the control in charging process and monitoring cannot be carried out, single charge function can only be realized, charge rate or charged level all well can not be controlled, monitor, be fed back.
Utility model content
For the present situation of above-mentioned prior art, technical problem to be solved in the utility model is to provide one can make charging device and be carried out data interaction and communication by charging device at a distance, and carries out the wireless charging device with NFC function of monitor and forecast to charging process.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of wireless charging device with NFC function, comprise supply module, single-chip microcomputer, power conversion modules, signal pre-processing module and NFC module, described single-chip microcomputer connects supply module, power conversion modules, signal pre-processing module and NFC module, described power conversion modules is connected with transmitting coil, this transmitting coil is connected with wireless charging receiver, and described NFC module is connected with antenna by filter.
Further, be provided with NFC chip in described NFC module, this module primary responsibility and remote device carry out exchanges data, and responsible single-chip microcomputer and NFC chip carry out transfer of data.
Further, described single-chip microcomputer is main carries out data communication with NFC module, and provides control signal to make the size of power conversion modules adjustment output voltage or electric current.
Further, described power conversion modules comprises full bridge inverter and field effect transistor drive circuit thereof, and direct current is become alternating current by this module in charge, and the signal of single chip microcomputers transmit is coupled to wireless charging receiver by transmitting coil.
Further, the modulation signal demodulation of about the 100kHz that wireless charging receiver feeds back by described signal pre-processing module primary responsibility obtains the restituted signal of about 2kHz, and passes to single-chip microcomputer process.
Further, described supply module is responsible for providing power supply to each module.
Further, be provided with modulation module in described wireless charging receiver, this modulation module can convert the high frequency ac signal that power conversion modules sends to modulation signal, and this modulation signal comprises charging status information.
Compared with prior art, the utility model has the advantage of: the utility model adopts single-chip microcomputer and NFC module to coordinate, utilize the wireless communication technology of NFC chip, instruction that remote device sends can be received and carry out data communication, and information feed back is processed to single-chip microcomputer, realize charging device and remote device can carry out data interaction and communication, monitor and forecast can be carried out to charge rate and charged level, wireless charger be had and applies widely.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model;
Fig. 2 is power conversion modules figure of the present utility model;
Fig. 3 is signal pre-processing module block diagram of the present utility model;
Fig. 4 is the messaging diagrams of single-chip microcomputer of the present utility model and NFC module;
Fig. 5 is NFC module circuit diagram of the present utility model.
Embodiment
As Figure 1-5, a kind of wireless charging device with NFC function, comprise supply module, single-chip microcomputer, power conversion modules, signal pre-processing module and NFC module, described single-chip microcomputer connects supply module, power conversion modules, signal pre-processing module and NFC module, described power conversion modules is connected with transmitting coil, this transmitting coil is connected with wireless charging receiver, and described NFC module is connected with antenna by filter.
Wherein, NFC chip is provided with in described NFC module, this module primary responsibility and remote device carry out exchanges data, responsible single-chip microcomputer and NFC chip carry out transfer of data, data are transmitted by synchronous communication between NFC module and single-chip microcomputer, the interruptive port of NFC chip produces interruption and the synchronous communication sheet of NFC chip selects Enable Pin to set low thus starts synchronous communication transmission data, some procotol program firmwares download to chip internal by asynchronous serial port, the communication of this single-chip microcomputer and NFC module as shown in Figure 4, data communication between this NFC chip and single-chip microcomputer adopts 12C bus communication, because NFC chip can adopt SPI and 12C two kinds of modes and single-chip microcomputer to carry out data communication, so need port 9 end to arrange low level, thus selected between NFC chip and single-chip microcomputer, adopt 12C to communicate, port 5, 6, the same ground connection of 7 end, represent that address choice is zero, signal SDA, SCL, NRST, INTO is connected to outside single-chip microcomputer, after single-chip microcomputer receives INTO interrupt signal, single-chip microcomputer produces and interrupts, then 12C communication is carried out between single-chip microcomputer and NFC chip, NRST is a reset signal, as shown in Figure 5, described single-chip microcomputer is main carries out data communication with NFC module, and provides control signal to make the size of power conversion modules adjustment output voltage or electric current, and this single-chip microcomputer is also connected with external crystal-controlled oscillation, described power conversion modules comprises full bridge inverter and field effect transistor drive circuit thereof, direct current is become alternating current by this module in charge, the signal of single chip microcomputers transmit is coupled to wireless charging receiver by transmitting coil, this drive circuit adopts driving chip, although the drive circuit that discrete component is built can reduce costs, but driving effect is good not as driving chip and can reduce efficiency of transmission, and power conversion modules as shown in Figure 2, the modulation signal demodulation of about the 100KHz that wireless charging receiver feeds back by described signal pre-processing module primary responsibility obtains the restituted signal of about 2KHz, and pass to single-chip microcomputer process, secondly the current signal filter and amplification also obtained sampling sends into processor, processor is transferred to carry out overcurrent protection, the electric current exactly preliminary treatment obtained in addition be multiplied with voltage obtain power send into processor do foreign bodies detection, signal pre-processing module is as shown in Figure 3, described supply module is responsible for providing power supply to each module, and need the voltage used to be 3.3V and 12V, input is that USB-micro is so input voltage is about 5V, be provided with modulation module in described wireless charging receiver, this modulation module can convert the high frequency ac signal that power conversion modules sends to modulation signal, and this modulation signal comprises charging status information.
Its course of work is as follows: when single-chip microcomputer provides two-way pulse-width signal, power conversion modules can produce the high frequency ac signal of 100-200KHz, this signal is coupled to wireless charging receiver by transmitting coil, modulation module through receiver obtains modulation signal, modulation signal contains various charging status information, this modulation signal feeds back to wireless charging transmitter, then obtain through signal pre-processing module the signal comprising charging status information again, send into single-chip microcomputer afterwards to process, the data comprising charged state are obtained after process by single-chip microcomputer, the duty ratio of two-way pulse-width signal or frequency can be adjusted thus the size of adjustment output voltage or electric current automatically according to these data one, it two can do overcurrent protection and foreign bodies detection according to these data, its three data that process can be obtained send NFC chip to by I2C communication, other equipment are at a distance sent to through antenna after data being further processed by NFC chip, these equipment can be used for detecting charging effect, other equipment at a distance, such as mobile phone, customize the mobile phone application software that controls charge function specially, by this application software, charge rate or charged level are set, application program of mobile phone sends an instruction, this instruction is wirelessly transmitted to NFC chip, then NFC chip is sent to single-chip microcomputer again, single-chip microcomputer is through processing thus controlling wireless charging.
The utility model adopts single-chip microcomputer and NFC module to coordinate, utilize the wireless communication technology of NFC chip, instruction that remote device sends can be received and carry out data communication, and information feed back is processed to single-chip microcomputer, realize charging device and remote device can carry out data interaction and communication, monitor and forecast can be carried out to charge rate and charged level, wireless charger be had and applies widely.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, it will be understood by those of skill in the art that it still can be modified to the technical scheme described in previous embodiment, or wherein portion of techniques feature has been replaced on an equal basis; And these amendments or replacement, do not make the essence of appropriate technical solution depart from spirit and the scope of each embodiment technical scheme of the utility model.
Claims (7)
1. one kind has the wireless charging device of NFC function, it is characterized in that, comprise supply module, single-chip microcomputer, power conversion modules, signal pre-processing module and NFC module, described single-chip microcomputer connects supply module, power conversion modules, signal pre-processing module and NFC module, described power conversion modules is connected with transmitting coil, this transmitting coil is connected with wireless charging receiver, and described NFC module is connected with antenna by filter.
2. a kind of wireless charging device with NFC function according to claim 1, is characterized in that, be provided with NFC chip in described NFC module, and this module primary responsibility and remote device carry out exchanges data, and responsible single-chip microcomputer and NFC chip carry out transfer of data.
3. a kind of wireless charging device with NFC function according to claim 1, is characterized in that, described single-chip microcomputer is main carries out data communication with NFC module, and provides control signal to make the size of power conversion modules adjustment output voltage or electric current.
4. a kind of wireless charging device with NFC function according to claim 1, it is characterized in that, described power conversion modules comprises full bridge inverter and field effect transistor drive circuit thereof, direct current is become alternating current by this module in charge, and the signal of single chip microcomputers transmit is coupled to wireless charging receiver by transmitting coil.
5. a kind of wireless charging device with NFC function according to claim 1, it is characterized in that, the modulation signal demodulation of about the 100kHz that wireless charging receiver feeds back by described signal pre-processing module primary responsibility obtains the restituted signal of about 2kHz, and passes to single-chip microcomputer process.
6. a kind of wireless charging device with NFC function according to claim 1, is characterized in that, described supply module is responsible for providing power supply to each module.
7. a kind of wireless charging device with NFC function according to claim 1, it is characterized in that, modulation module is provided with in described wireless charging receiver, this modulation module can convert the high frequency ac signal that power conversion modules sends to modulation signal, and this modulation signal comprises charging status information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520016000.0U CN204424946U (en) | 2015-01-09 | 2015-01-09 | A kind of wireless charging device with NFC function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520016000.0U CN204424946U (en) | 2015-01-09 | 2015-01-09 | A kind of wireless charging device with NFC function |
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| CN204424946U true CN204424946U (en) | 2015-06-24 |
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| CN201520016000.0U Expired - Fee Related CN204424946U (en) | 2015-01-09 | 2015-01-09 | A kind of wireless charging device with NFC function |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048648A (en) * | 2015-07-31 | 2015-11-11 | 上海卫星工程研究所 | System and method for carried power supply to and unidirectional information transmission of non-contact nano satellite |
| CN107645717A (en) * | 2016-07-20 | 2018-01-30 | 中兴通讯股份有限公司 | Emission control method and device |
| CN111610391A (en) * | 2020-05-09 | 2020-09-01 | 广东雷霆技术有限公司 | Power supply efficiency detection method applied to NFC wireless power supply technology |
| CN111953387A (en) * | 2019-05-17 | 2020-11-17 | 瑞萨电子美国有限公司 | Near field communication and wireless power |
| TWI747920B (en) * | 2016-07-29 | 2021-12-01 | 日商索尼半導體解決方案公司 | Power supply device |
-
2015
- 2015-01-09 CN CN201520016000.0U patent/CN204424946U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048648A (en) * | 2015-07-31 | 2015-11-11 | 上海卫星工程研究所 | System and method for carried power supply to and unidirectional information transmission of non-contact nano satellite |
| CN107645717A (en) * | 2016-07-20 | 2018-01-30 | 中兴通讯股份有限公司 | Emission control method and device |
| TWI747920B (en) * | 2016-07-29 | 2021-12-01 | 日商索尼半導體解決方案公司 | Power supply device |
| CN111953387A (en) * | 2019-05-17 | 2020-11-17 | 瑞萨电子美国有限公司 | Near field communication and wireless power |
| CN111953387B (en) * | 2019-05-17 | 2023-09-15 | 瑞萨电子美国有限公司 | Near field communication and wireless power |
| CN111610391A (en) * | 2020-05-09 | 2020-09-01 | 广东雷霆技术有限公司 | Power supply efficiency detection method applied to NFC wireless power supply technology |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160726 Address after: 315040, Ningbo, Zhejiang hi tech Zone, academician Road, building 2-16-2 room Patentee after: NINGBO LIXINKE INFORMATION TECHNOLOGY CO., LTD. Address before: 1, building 409, building 988, No. two, No. 314200, Pinghu Development Zone, Zhejiang, China Patentee before: Lin Gu |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20200109 |