CN112511791A - NFC passive driving induction power taking method and display intelligent device - Google Patents
NFC passive driving induction power taking method and display intelligent device Download PDFInfo
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- CN112511791A CN112511791A CN202010967767.7A CN202010967767A CN112511791A CN 112511791 A CN112511791 A CN 112511791A CN 202010967767 A CN202010967767 A CN 202010967767A CN 112511791 A CN112511791 A CN 112511791A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000006698 induction Effects 0.000 title claims abstract description 12
- 238000004891 communication Methods 0.000 claims abstract description 28
- 238000004146 energy storage Methods 0.000 claims abstract description 18
- 238000005516 engineering process Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
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- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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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
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Abstract
The invention relates to an NFC passive driving induction power taking method and display equipment; the intelligent power supply device comprises an electric energy storage circuit, a power taking circuit, a communication circuit, a passive driving MCU circuit, a display circuit and display equipment; the passive driving MCU circuit is used as a core and is used for acquiring data and energy with an external terminal by adopting an NFC (near field communication) technology; the communication coil circuit acquires data with an external terminal, and acquires energy with the external terminal through the power-taking coil circuit; the passive driving MCU converts the collected energy into electric energy, wherein one part of the electric energy supplies power to the whole system by using the passive driving MCU, the other part of the electric energy is stored in the electric energy storage circuit and returned to the passive driving MCU through a diode, and the whole system is continuously supplied with power by continuously using the passive driving MCU; the collected data are transmitted to the display circuit, the display device is lightened, and the display device is driven to display images, so that the function of the passive receiving end provided for the display device is realized.
Description
Technical Field
The invention relates to the technical field of NFC (near field communication), in particular to an NFC passive-driven induction power taking method and display intelligent equipment.
Background
In the field of professional photography, after a picture is taken by using a mobile phone or a digital camera, the picture is generally copied to a computer and edited by using professional software, and then copied to the mobile phone or a tablet for browsing or network sharing, and the copy can be performed by using a hardware tool or a network software tool, where the hardware tool generally refers to a storage medium, such as a usb disk, a hard disk, an optical disk, and the like. However, the dependence on the storage medium in the copying process has certain limitations and is inconvenient to use. If the network software tool is directly used for transmission, the bandwidth limitation and the risk of data leakage exist.
Therefore, the NFC is one of options for solving the above problems, the existing approach communication means is generally bluetooth, NFC, or zigbee, etc., and bluetooth has a problem of slow transmission speed, while zigbee is generally applied in the industrial field, so NFC is the best option, the existing NFC transmission is generally divided into a transmitting end and a receiving end, and the receiving end is divided into an active receiving end and a passive receiving end, and since an image needs to be displayed, the passive receiving end cannot be used, but the active receiving end is restricted by a battery.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an NFC passive-driven inductive power taking method and a display intelligent device, which can use a passive image receiving end to simultaneously display an image.
The NFC passive driving intelligent display device comprises an electric energy storage circuit, a power taking coil circuit, a communication coil circuit, a passive driving MCU circuit, a display circuit and a display device; the electric energy storage circuit, the power taking coil circuit, the communication coil circuit and the intelligent display circuit are all connected with the passive driving MCU, and the intelligent display circuit is connected with the display device.
Further, the passive driving MCU is a TN2115S1NFC chip, the communication coil circuit and the power taking coil circuit are both NFC coils, and the NFC coils are connected with a radio transmission pin and a communication transmission pin of the TN2115S1NFC chip.
Furthermore, the display equipment is an E-link electronic ink screen, and a plurality of pins of the input end of the E-link electronic ink screen are correspondingly connected with a plurality of universal IO (input/output) port pins of the TN2115S1NFC chip through a display circuit.
Further, the electric energy storage comprises an electric energy storage circuit formed by connecting a plurality of capacitors in parallel.
The invention also provides an NFC passive driving induction power taking method, which comprises the following steps:
(1) acquiring an image, namely selecting the image by using terminal equipment with an NFC function and editing the image;
(2) sending the image to the NFC passive driving intelligent display equipment through the NFC near field communication technology after the editing is finished;
(3) the passive driving MCU of the NFC passive driving intelligent display device receives terminal image data by using the NFC coil, meanwhile, energy collection is carried out on the terminal by using the NFC coil, the passive driving MCU converts the collected energy into electric energy, one part of the electric energy is supplied to the whole system by using the passive driving MCU, the other part of the electric energy is stored in the electric energy storage circuit and returned to the passive driving MCU through a diode, and the passive driving MCU is continuously used for continuously supplying power to the whole system;
(4) the passive driving MCU supplies power to the display circuit and the display equipment, and simultaneously the passive driving MCU sends image data to the display equipment through the display circuit, so that images are displayed and previewed.
Further, terminal equipment includes computer, android device, the IOS equipment that has the NFC function and other intelligent wearing equipment that has the NFC function.
The invention has the beneficial effects that: according to the NFC passive driving intelligent display device, the passive driving MCU circuit is used as a core, and data and energy are collected by adopting an NFC near field communication technology with an external terminal; the communication circuit acquires data with an external terminal and acquires energy with the external terminal through the power acquisition circuit; the passive driving MCU converts the collected energy into electric energy, wherein one part of the electric energy supplies power to the whole system by using the passive driving MCU, the other part of the electric energy is stored in the electric energy storage circuit and returned to the passive driving MCU through a diode, and the whole system is continuously supplied with power by using the passive driving MCU; the acquired data information is transmitted to the display circuit through the IO port, the display device is lightened, and the display device is driven to display images, so that the function of the passive receiving end provided for the display device is realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and it will be apparent to those skilled in the art that other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a block diagram of an NFC passive driving smart display device according to the present invention;
FIG. 2 is a circuit diagram of a passively driven MCU and electrical energy storage circuit of the present invention;
fig. 3 is a circuit diagram of an NFC communication line and an NFC power-taking circuit according to the present invention;
FIG. 4 is a circuit diagram of the E-link electronic ink screen of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1-4: the NFC passive driving intelligent display device comprises an electric energy storage circuit, a power taking coil circuit, a communication coil circuit and a passive driving MCU, wherein the passive driving MCU adopts a passive NFC receiving chip with the model number of TN2115S1NFC, the power taking coil circuit and the communication coil circuit are named according to functions and are actually NFC coils, two ends led out by NFC communication coils (RF _ A and RF _ B) are respectively connected with a communication transmission pin RF _ AP and an RF _ AM of the TN2115S1NFC chip and an RF _ BP and an RF _ BM through resistors, two ends led out by the NFC power taking coil are respectively connected with a radio receiving pin VHARV and a GND of the TN2115S1NFC chip through diode rectification, the NFC communication coil is specially used for receiving a data part in NFC near field communication, and the power taking coil is specially used for receiving an electric energy part in the NFC near field communication; the electric energy storage circuit is formed by connecting a plurality of capacitors (C30-C43) in parallel, is linked with a power management pin VCAP and a grounding pin GND of the TN2115S1NFC chip, and simultaneously outputs electric energy to the display equipment through VDD33 so as to provide electric energy for the display equipment; the display equipment is an E-link electronic ink screen, and a plurality of general IO pins of a plurality of data pins TN2115S1NFC chips of the E-link electronic ink screen are correspondingly connected.
The invention also provides an NFC passive-driven induction power-taking method, namely a specific use method of the NFC passive-driven induction power-taking display intelligent equipment, which comprises the following steps:
(1) acquiring an image, namely, acquiring the image by using an image acquisition device, namely a mobile phone or a digital camera, taking a picture by using a camera or the digital camera of the mobile phone, or directly acquiring the shot picture from an existing gallery, copying or moving the image to terminal equipment with an NFC function, if the picture is the mobile phone, directly processing the picture by using image processing software of the mobile phone, if the picture is the camera, copying the picture in the SD of the camera into a computer, and editing the picture by using an image processing tool in the computer, wherein the computer described herein is a computer with the NFC function;
(2) after the photo is edited by using a mobile phone or a computer with an NFC function, an NFC near field communication network is established, and the NFC passive-driven induction power acquisition display intelligent equipment in the embodiment is accessed into the NFC near field communication network;
(3) the wireless MCU of the NFC passive-driven induction power-taking display intelligent device converts the collected energy into electric energy by utilizing the NFC communication coil and the NFC power-taking coil while receiving image signals, wherein one part of the electric energy is supplied to the whole system by utilizing the passive driving MCU, the other part of the electric energy is stored in the electric energy storage circuit and returned to the passive driving MCU through the diode, and the passive driving MCU is continuously utilized to continuously supply power to the whole system;
(4) the passive driving MCU supplies power to the display equipment, and meanwhile, the wireless MCU sends image signals to the display equipment so as to display and preview images.
Specifically, the terminal device includes a computer with an NFC function, an android device, an IOS device, and other intelligent wearable devices with an NFC function, and all devices with an NFC function that can edit images are applicable.
According to the NFC passive-driven induction power taking method and the display intelligent device, the wireless MCU is used as a core to receive image information through NFC near field communication, the collected energy is converted into electric energy, one part of the electric energy is supplied to the whole system by the passive-driven MCU, the other part of the electric energy is stored in the electric energy storage circuit and returned to the passive-driven MCU through the diode, the passive-driven MCU is continuously used for continuously supplying power to the whole system, and therefore the display device is lightened and is driven to display images, and the function of the passive receiving end provided for the display device is achieved.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (6)
- NFC passive drive intelligent display device which characterized in that: the device comprises an electric energy storage, a power taking coil circuit, a communication coil circuit and a passive driving MCU; the electric energy storage circuit, the power taking coil circuit, the communication coil circuit and the intelligent display circuit are all connected with the passive driving MCU, and the display circuit is connected with the display device.
- 2. The NFC passively-driven smart display device of claim 1, wherein: the passive driving MCU is a TN2115S1NFC chip, the communication coil circuit and the power taking coil circuit are both NFC coils, and the NFC coils are connected with a radio transmission pin and a communication transmission pin of the TN2115S1NFC chip.
- 3. The NFC passively-driven smart display device of claim 2, wherein: the display equipment is an E-link electronic ink screen, and a plurality of pins of the input end of the E-link electronic ink screen are correspondingly connected with a plurality of universal IO (input/output) port pins of the TN2115S1NFC chip through a display circuit.
- 4. The NFC passively-driven smart display device of claim 2, wherein: the electric energy storage comprises an electric energy storage circuit formed by connecting a plurality of capacitors in parallel.
- 5. An NFC passive driving induction power taking method is characterized in that: the method comprises the following steps:(1) acquiring an image, namely selecting the image by using terminal equipment with an NFC function and editing the image;(2) after the edition is finished, the image is sent to the NFC passive driving intelligent display equipment through the NFC technology;(3) the passive driving MCU of the NFC passive driving intelligent display device receives terminal image data by using the NFC coil, meanwhile, energy collection is carried out on the terminal by using the NFC coil, the passive driving MCU converts the collected energy into electric energy, one part of the electric energy is supplied to the whole system by using the passive driving MCU, the other part of the electric energy is stored in the electric energy storage circuit and returned to the passive driving MCU through a diode, and the passive driving MCU is continuously used for continuously supplying power to the whole system;(4) the passive driving MCU supplies power to the display circuit and the display equipment, and simultaneously the passive driving MCU sends image data to the display equipment through the display circuit, so that images are displayed and previewed.
- 6. The NFC passively-driven induction power taking method according to claim 5, wherein the method comprises the following steps: the terminal device comprises a computer with an NFC function, an android device, an IOS device and other intelligent wearable devices with the NFC function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010967767.7A CN112511791A (en) | 2020-09-15 | 2020-09-15 | NFC passive driving induction power taking method and display intelligent device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010967767.7A CN112511791A (en) | 2020-09-15 | 2020-09-15 | NFC passive driving induction power taking method and display intelligent device |
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| CN112511791A true CN112511791A (en) | 2021-03-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117789665A (en) * | 2024-02-28 | 2024-03-29 | 深圳市每开创新科技有限公司 | Passive driving circuit of ink screen, control method thereof and mobile phone shell |
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Application publication date: 20210316 |