CN111181604A - Near field communication method/sensor, ground end equipment and mobile end equipment - Google Patents
Near field communication method/sensor, ground end equipment and mobile end equipment Download PDFInfo
- Publication number
- CN111181604A CN111181604A CN201911421396.6A CN201911421396A CN111181604A CN 111181604 A CN111181604 A CN 111181604A CN 201911421396 A CN201911421396 A CN 201911421396A CN 111181604 A CN111181604 A CN 111181604A
- Authority
- CN
- China
- Prior art keywords
- near field
- field communication
- magnetic flux
- signal
- ground
- 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
- 230000006854 communication Effects 0.000 title claims abstract description 134
- 238000004891 communication Methods 0.000 title claims abstract description 133
- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000004907 flux Effects 0.000 claims abstract description 95
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 230000008569 process Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 8
- 230000010355 oscillation Effects 0.000 description 8
- 238000012790 confirmation Methods 0.000 description 7
- 210000001503 joint Anatomy 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007175 bidirectional communication Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- H04B5/24—
-
- H04B5/48—
-
- H04B5/72—
-
- 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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention provides a near field communication method/sensor, ground end equipment and mobile end equipment, wherein the near field communication sensor comprises: the magnetic flux coil receives a first magnetic flux signal or transmits a second magnetic flux signal; a modem communicatively coupled to the flux coil to demodulate the first flux signal into a first identifiable signal or to modulate a second identifiable signal into the second flux signal. The invention realizes near field communication based on the magnetic resonance principle, has strong anti-interference capability, long transmission distance and high transmission speed, and meets the requirement of two-way communication.
Description
Technical Field
The invention belongs to the technical field of communication, relates to a near field communication technology, and particularly relates to a near field communication method/sensor, ground end equipment and mobile end equipment.
Background
With the development of electronic technology and communication technology, sensing technology in various forms and in various requirements is rapidly developed and widely applied. In the field of near-field sensing technology, sensors implemented by using optical, electrical, magnetic and other principles, such as radio frequency sensors, photoelectric sensors, hall sensors, etc., have been widely used.
However, with the definition of the requirements, the sensing device applicable to the fields of warehouse logistics, intelligent manufacturing and the like cannot meet the use requirements, and the problems of weak anti-interference capability, low transmission speed, unsuitable transmission distance and the like generally exist. For example: the photoelectric sensor is very easily influenced by dust, light and shielding objects, the requirement on the butt joint precision of equipment is high, and the transmission speed cannot meet the actual requirement; the NFC near field communication sensor is short in communication distance and low in transmission speed.
Disclosure of Invention
In view of the above drawbacks of the prior art, an object of the present invention is to provide a near field communication method/sensor, a ground end device and a mobile end device, which are used to solve the problems of weak interference resistance and short transmission distance of the existing near field communication device.
To achieve the above and other related objects, the present invention provides a near field communication sensor, comprising: the magnetic flux coil receives a first magnetic flux signal or transmits a second magnetic flux signal; a modem communicatively coupled to the flux coil to demodulate the first flux signal into a first identifiable signal or to modulate a second identifiable signal into the second flux signal.
In an embodiment of the present invention, the magnetic flux coil includes: a magnetic core; a first coil and a second coil wound on the magnetic core; the first coil is used for receiving the first magnetic flux signal; the second coil is for transmitting the second magnetic flux signal.
In an embodiment of the invention, the magnetic flux coil is installed in a shielding shell, and one surface of the shielding shell is a magnetic permeable surface.
In an embodiment of the present invention, the modem includes: the transmitting module comprises a first oscillating circuit and a modulator; the receiving module comprises a second oscillating circuit and a demodulator; and the change-over switch is respectively connected with the transmitting module and the receiving module and is used for controlling the switching of the transmitting module and the receiving module.
The invention also provides ground end equipment, which comprises a first processor and a first near field communication sensor which are in communication connection; the first processor acquires ground information; the first near field communication sensor converts the ground information into a ground magnetic flux signal to be output; or the first near field communication sensor receives a moving magnetic flux signal and converts the moving magnetic flux signal into identifiable moving information; the first processor receives or processes the identifiable movement information.
In an embodiment of the present invention, the ground-side device further includes: and the first power supply module is used for converting an externally accessed power supply into a power supply required by the ground end equipment.
The invention also provides mobile terminal equipment, which comprises a second processor and a second near field communication sensor which are in communication connection; the second near field communication sensor receives a ground magnetic flux signal and converts the ground magnetic flux signal into identifiable ground information; the second processor receives or processes the identifiable ground information; or the second processor acquires mobile information; the second near field communication sensor converts the movement information into a movement magnetic flux signal to be output.
In an embodiment of the present invention, the mobile terminal device further includes: and the second power supply module is used for converting the power supply of the mobile terminal into the power supply required by the mobile terminal equipment.
The invention also provides a near field communication method, which comprises the following steps: converting a data signal into a magnetic flux signal for transmission; receiving the magnetic flux signal and demodulating the magnetic flux signal into an identifiable data signal.
In an embodiment of the present invention, the near field communication method is implemented by a near field communication transmitting device and a near field communication receiving device; the near field communication transmitting equipment converts a data signal into a magnetic flux signal for transmission, and the near field communication receiving equipment receives the magnetic flux signal and demodulates the magnetic flux signal into an identifiable data signal; or the near field communication method is realized by switching of a near field communication device; when the near field communication equipment is in a transmission mode, converting a data signal into a magnetic flux signal for transmission; or the near field communication device receives a magnetic flux signal and demodulates the magnetic flux signal into an identifiable data signal when the near field communication device is in a receiving mode.
As described above, the near field communication method/sensor, the ground end device and the mobile end device according to the present invention have the following advantages:
the invention realizes near field communication based on the magnetic resonance principle, has strong anti-interference capability, long transmission distance and high transmission speed, and meets the requirement of two-way communication.
Drawings
Fig. 1 is a schematic structural diagram of an implementation of a near field communication sensor according to an embodiment of the present invention.
Fig. 2A is a schematic diagram illustrating an implementation structure of a magnetic flux coil of a nfc sensor according to an embodiment of the present invention.
Fig. 2B is a schematic diagram illustrating an implementation structure of a modem of a nfc sensor according to an embodiment of the present invention.
Fig. 3A is a schematic structural diagram of an implementation of the ground-end device according to an embodiment of the present invention.
Fig. 3B is a schematic structural diagram of another implementation of the ground-end device according to the embodiment of the invention.
Fig. 4A is a schematic structural diagram of an implementation of the mobile end device according to the embodiment of the present invention.
Fig. 4B is a schematic diagram illustrating another implementation structure of the mobile terminal device according to the embodiment of the present invention.
Fig. 5 is a schematic diagram of a near field communication scenario according to an embodiment of the present invention.
Fig. 6 is a schematic flow chart illustrating an implementation of the near field communication method according to an embodiment of the present invention.
Description of the element reference numerals
100 near field communication sensor
110 magnetic flux coil
111 magnetic core
112 first coil
113 second coil
120 modem
121 transmitting module
1211 first oscillator circuit
1212 Modulator
122 receiving module
1221 second oscillating circuit
1222 demodulator
123 change-over switch
300 ground end equipment
310 first processor
320 first near field communication sensor
330 first power supply module
400 mobile terminal equipment
410 second processor
420 second near field communication sensor
430 second power supply module
S601-S602
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
Referring to fig. 1, an embodiment of the present invention provides a near field communication sensor, where the near field communication sensor 100 includes: flux coil 110 and modem 120. The flux coil 110 is used to receive a first flux signal or transmit a second flux signal. The modem 120 is communicatively coupled to the flux coil 110 for demodulating the first flux signal into a first identifiable signal or modulating a second identifiable signal into the second flux signal.
The invention realizes near field communication based on the magnetic resonance principle, is not easily influenced by dust, light and shelters, has strong anti-interference capability, long transmission distance (up to 200-300mm) and high transmission speed.
In an embodiment of the present invention, referring to fig. 2A, the flux coil 110 includes: a core 111 wound around the core 111, and having a first coil 112 and a second coil 113; the first coil 112 is configured to receive the first magnetic flux signal, and the second coil 113 is configured to transmit the second magnetic flux signal. The flux coil 110 may enable both transmit and receive bi-directional communication. Further, the magnetic flux coil can be selected from a capacitance feedback improved oscillator.
In an embodiment of the present invention, the magnetic flux coil 110 is installed in a shielding housing, and one surface of the shielding housing is a magnetic permeable surface. In order to avoid electromagnetic interference, the invention provides a method for isolating a magnetic flux coil by using a shielding shell to avoid mutual interference between the magnetic flux coil and other signals, and the magnetic flux coil is required to normally realize a magnetic flux communication function while avoiding the interference, so that one surface of the shielding shell can be set as a magnetic transmission surface to realize the transmission and the reception of magnetic flux signals.
In an embodiment of the present invention, referring to fig. 2B, the modem 120 includes a transmitting module 121, a receiving module 122 and a switch 123; the transmitting module 121 includes a first oscillating circuit 1211 and a modulator 1212; the receiving module 122 includes a second oscillator 1221 and a demodulator 1222; the switch 123 is connected to the transmitting module 121 and the receiving module 122, respectively, and is configured to control switching between the transmitting module and the receiving module. The modulator modulates a basic digital signal to generate a frequency signal; the frequency signal is connected to the first oscillating circuit to generate oscillation and output an oscillating signal. A second oscillating circuit in the receiving module receives the oscillating signal and converts the oscillating signal into a frequency signal; the demodulator restores the frequency signal to a digital signal. The selector switch is used for controlling the working mode switching of the modem; when the working mode of the modem is switched to a transmitting mode by the selector switch, the transmitting module works; and when the working mode of the modem is switched into a receiving mode by the selector switch, the receiving module works. The switch may be controlled by an external switch command, and the external switch command may be sent by an MCU, for example, the MCU sends a high/low level signal (as a switch command) to control the switch.
The near field communication sensor of the invention adopts a magnetic core winding mode to generate a magnetic field, and is provided with the double coils to realize bidirectional half-duplex communication. The magnetic flux coil is connected with the oscillating circuit, and the near field communication is realized by utilizing the magnetic resonance principle.
Referring to fig. 3A, an embodiment of the present invention further provides a ground device, where the ground device 300 includes a first processor 310 and a first near field communication sensor 320, which are communicatively connected. The first processor 310 obtains a ground information; the first near field communication sensor 320 converts the ground information into a ground magnetic flux signal output; or the first near field communication sensor 320 receives a moving magnetic flux signal and converts the moving magnetic flux signal into recognizable moving information; the first processor 310 receives or processes the identifiable movement information. The structure of the first near field communication sensor 320 is the structure of the near field communication sensor according to the embodiment of the present invention.
In an embodiment of the present invention, referring to fig. 3B, the ground-side device 300 further includes: the first power module 330 is configured to convert an externally connected power into a power required by the ground-side device. The ground-end device 300 may have a power module built therein, or may only have a power interface to supply power from an external power source. Therefore, the first power module 330 is not an essential structure of the ground-side device 300. When the ground-side device 300 is internally provided with the first power module 330, the first power module 330 may be only connected to the first processor 310 in a communication manner, and then the first processor 310 supplies power to the first near-field communication sensor 320; the first power module 330 may also be connected to the first processor 310 and the first near field communication sensor 320, respectively, to supply power thereto. The first power module is used for converting an externally accessed power supply into a power supply required by internal operation. The externally connected power supply is a 24V power supply provided by the industrial distributed control system, and the industrial distributed control system can also provide signal input at the same time. The protection scope of the ground-end device according to the present invention is not limited to the power supply method illustrated in this embodiment.
Referring to fig. 4A, an embodiment of the present invention further provides a mobile end device, where the mobile end device 400 includes a second processor 410 and a second near field communication sensor 420 that are communicatively connected; the second nfc sensor 420 receives a ground magnetic flux signal and converts the ground magnetic flux signal into identifiable ground information; the second processor 410 receives or processes the identifiable ground information; or the second processor 410 acquires a mobile message; the second near field communication sensor 420 converts the movement information into a movement magnetic flux signal output.
In an embodiment of the present invention, referring to fig. 4B, the mobile terminal apparatus 400 further includes: the second power module 430 is configured to convert a power of the mobile terminal into a power required by the mobile terminal device. Wherein the mobile terminal can be a mobile vehicle or device such as a vehicle. The mobile terminal device is a device installed in the mobile terminal. The mobile terminal device 400 may have a built-in power module, or may only have a power interface to supply power from an external power source. Therefore, the second power module 430 is not a necessary structure of the mobile terminal 400. When the second power module 430 is built in the mobile terminal device 400, the second power module 430 may be only connected to the second processor 410 in a communication manner, and then the second processor 410 supplies power to the second near field communication sensor 420; the second power module 430 may also be coupled to and provide power to the second processor 410 and the second near field communication sensor 420, respectively. The second power module is used for converting externally accessed power into power required by internal operation. The protection scope of the mobile terminal device according to the present invention is not limited to the power supply method described in this embodiment.
Specifically, the near field communication process between the ground end device and the mobile end device includes: the mobile terminal equipment is in a transmitting state, and when the mobile terminal equipment approaches the ground terminal equipment to reach a near field communication range, the ground terminal equipment can receive an oscillation signal from the mobile terminal equipment; if a terminator is added behind the sending signal received by the ground end equipment, the ground end equipment can be switched from a receiving mode to a transmitting mode and transmits an oscillation signal to the mobile end equipment; on the contrary, if a terminator is added behind the transmission signal transmitted by the mobile terminal device, the transmission mode is switched to the reception mode after the transmission action is completed, and the oscillation signal is waited to be received.
An embodiment of the present invention provides an application scenario of vehicle near field communication, and referring to fig. 5, the mobile end device is disposed on a vehicle, the ground end device is a fixed ground communication device, and when the vehicle passes near the ground communication device, the mobile end device and the ground end device realize near field communication.
Specifically, the vehicle-mounted end comprises an MCU, a modem and a mobile end communication coil (namely a magnetic flux coil); the ground terminal comprises an MCU, a modem and a ground terminal communication coil. The vehicle-mounted end MCU is connected with an external signal interface and the modem, the modem is connected with the MCU and the mobile end communication coil, the mobile end communication coil receives internal or external signals and then converts the internal or external signals into magnetic field oscillation frequency, the magnetic field oscillation frequency is received by the other end (namely the ground end) communication coil, and the whole system is powered by a vehicle-mounted power supply.
The external signal refers to data to be transmitted between communicators (such as between a vehicle-mounted terminal and a ground terminal). For example: the vehicle-mounted terminal CAN be an RS485 signal or a CAN communication signal according to different data protocols, main information is battery related data output by the vehicle-mounted BMS, and other vehicle condition information such as running time, current tasks and the like CAN be included according to different vehicle types. The ground end signal types are also two same types, namely RS485 signals or CAN communication signals, but most of signals output by the ground end are instructions for electric vehicles or AGVs.
The internal signal is a connection state confirmation signal between the communicator (such as a vehicle-mounted terminal) and the communicator (such as a ground terminal), and the signal is transmitted and processed by the communicator, and is not related to the external signal. For example: when the vehicle-mounted end is close to the ground end, the ground end is switched between a sending state and a receiving state continuously, and a butt joint confirmation signal is sent; the vehicle-mounted end receives the confirmation signal, converts the confirmation signal into a transmitting state, sends a confirmation butt joint signal, and the ground end switches into a receiving state, namely receives the confirmation signal, so that the butt joint is successful. This is an internal signal that the communicator acknowledges the docking. Similarly, there is a similar internal signal confirmation at disconnect.
The ground end MCU is also connected with an external signal interface and the modem, the modem is connected with the MCU and the ground end communication coil, the mobile end communication coil receives internal or external signals and then converts the signals into magnetic field oscillation frequency, the magnetic field oscillation frequency is received by the other end communication coil, and the whole system is powered by an external power supply through the power supply module.
Before the two ends are in butt joint, the mobile end communication coil is in a receiving state before the two ends are in butt joint, and interference caused by a generated magnetic field in the operation process of the mobile end is avoided. The ground end communication coil is in a mode of regularly switching between a transmitting state and a receiving state before being butted, and the success of butting is ensured. Or the vehicle-mounted end and the ground end switch states to be butted after receiving trigger signals of other switches.
The working principle of the embodiment is as follows: a pair of built-in magnetic flux coils is adopted to transmit a ground end instruction to a vehicle-mounted end in a half-duplex mode, so that the vehicle-mounted end can receive the ground end instruction in real time; or the data information of the vehicle-mounted end is transmitted to the ground end, so that the existing data of the vehicle-mounted end can be monitored or downloaded. The pair of magnetic flux coils are in duplicate and respectively provided with a transmitting coil and a receiving coil, when the vehicle-mounted end is successfully connected with the ground end, the ground end is switched into the transmitting coil and is modulated by the modulation circuit to send corresponding data to the vehicle-mounted end, and meanwhile, the vehicle-mounted end is switched into the receiving coil and is demodulated into an identifiable instruction after receiving transmitted instruction data; when the ground end instruction is transmitted, the vehicle-mounted end is switched to the transmitting coil, the battery state or/and the vehicle condition information is modulated and then sent to the ground end, the ground end is switched to the receiving coil, and the vehicle-mounted end data is stored to the database after the data are received and demodulated.
The present invention also provides a near field communication method, wherein the near field communication sensor can implement the near field communication method of the present invention, but the implementation apparatus of the near field communication method of the present invention includes, but is not limited to, the structure of the near field communication sensor recited in the present embodiment, and all structural modifications and substitutions of the prior art made according to the principle of the present invention are included in the protection scope of the present invention.
Referring to fig. 6, an embodiment of the present invention further provides a near field communication method, where the near field communication method includes:
step S601, converting a data signal into a magnetic flux signal for transmission;
step S602, receiving the magnetic flux signal, and demodulating the magnetic flux signal into an identifiable data signal.
In an embodiment of the present invention, the near field communication method is implemented by a near field communication transmitting device and a near field communication receiving device; the near field communication transmitting equipment converts a data signal into a magnetic flux signal for transmission, and the near field communication receiving equipment receives the magnetic flux signal and demodulates the magnetic flux signal into an identifiable data signal; or the near field communication method is realized by switching of a near field communication device; when the near field communication equipment is in a transmission mode, converting a data signal into a magnetic flux signal for transmission; or the near field communication device receives a magnetic flux signal and demodulates the magnetic flux signal into an identifiable data signal when the near field communication device is in a receiving mode. Further, step S601 is implemented by one end of the near field communication, and step S602 is implemented by the other end of the near field communication. In addition, either end of the near field communication may implement the function described in step S601 or the function described in step S602; however, for either end of the near field communication, the functions described in step S601 and step S602 are implemented in a time-sharing manner, not simultaneously.
The protection scope of the near field communication method according to the present invention is not limited to the execution sequence of the steps illustrated in the embodiment, and all the solutions implemented by the steps addition, subtraction, and step replacement according to the prior art and implemented by the principles of the present invention are included in the protection scope of the present invention.
The invention realizes near field communication based on the magnetic resonance principle, has strong anti-interference capability, long transmission distance (up to 300mm) and high transmission speed, and meets the requirement of two-way communication.
The near field communication mode is safe and reliable, is suitable for various working environments, is small in environmental interference, can detect relative positions, and ensures stable and safe signal transmission; the near field communication mode is convenient and efficient, high-speed information is transmitted in two directions, the maximum rate can reach 2Mbps, the position deviation is allowed, and the requirement on the positioning precision of a moving body is lowered; the near field communication mode has comprehensive functions, CAN be compatible with CAN signals and 485 signals, has strong anti-interference and low environmental requirement, and is suitable for various outdoor complex environments.
The invention is suitable for the fields of intelligent manufacturing (such as a mobile robot AGV), intelligent home (such as a home service and a disabled-helping robot AGV), storage logistics (such as an electric forklift, a forklift AGV and a shuttle RGV), new energy vehicles (such as an electric automobile, an electric logistics vehicle, an electric bus and a three-dimensional parking garage), digital production lines (such as a digital tray, a mobile shelf and an intelligent production line) and the like.
In conclusion, the present invention effectively overcomes various disadvantages of the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A near field communication sensor, comprising:
the magnetic flux coil receives a first magnetic flux signal or transmits a second magnetic flux signal;
a modem communicatively coupled to the flux coil to demodulate the first flux signal into a first identifiable signal or to modulate a second identifiable signal into the second flux signal.
2. The near field communication sensor of claim 1, wherein the flux coil comprises:
a magnetic core;
a first coil and a second coil wound on the magnetic core; the first coil is used for receiving the first magnetic flux signal; the second coil is for transmitting the second magnetic flux signal. The method can realize half-duplex and full-duplex communication according to circuit design.
3. The near field communication sensor of claim 1, wherein: the magnetic flux coil is arranged in a shielding shell, and one surface of the shielding shell is a magnetic transmission surface.
4. The near field communication sensor of claim 1, wherein the modem comprises:
the transmitting module comprises a first oscillating circuit and a modulator;
the receiving module comprises a second oscillating circuit and a demodulator;
and the change-over switch is respectively connected with the transmitting module and the receiving module and is used for controlling the switching of the transmitting module and the receiving module.
5. A ground-end device, characterized by: the ground end equipment comprises a first processor and a first near field communication sensor which are connected in a communication mode;
the first processor acquires ground information; the first near field communication sensor converts the ground information into a ground magnetic flux signal to be output;
or
The first near field communication sensor receives a moving magnetic flux signal and converts the moving magnetic flux signal into identifiable moving information; the first processor receives or processes the identifiable movement information.
6. The ground end apparatus of claim 5, further comprising:
and the first power supply module is used for converting an externally accessed power supply into a power supply required by the ground end equipment.
7. A mobile terminal device is characterized in that: the mobile terminal equipment comprises a second processor and a second near field communication sensor which are connected in a communication mode;
the second near field communication sensor receives a ground magnetic flux signal and converts the ground magnetic flux signal into identifiable ground information; the second processor receives or processes the identifiable ground information;
or
The second processor acquires mobile information; the second near field communication sensor converts the movement information into a movement magnetic flux signal to be output.
8. The mobile end device according to claim 7, further comprising:
and the second power supply module is used for converting the power supply of the mobile terminal into the power supply required by the mobile terminal equipment.
9. A near field communication method, characterized in that the near field communication method comprises:
converting a data signal into a magnetic flux signal for transmission;
receiving the magnetic flux signal and demodulating the magnetic flux signal into an identifiable data signal.
10. The near field communication method of claim 9, wherein:
the near field communication method is realized by matching a near field communication transmitting device and a near field communication receiving device; the near field communication transmitting equipment converts a data signal into a magnetic flux signal for transmission, and the near field communication receiving equipment receives the magnetic flux signal and demodulates the magnetic flux signal into an identifiable data signal; or
The near field communication method is realized by switching a near field communication device; when the near field communication equipment is in a transmission mode, converting a data signal into a magnetic flux signal for transmission; or the near field communication device receives a magnetic flux signal and demodulates the magnetic flux signal into an identifiable data signal when the near field communication device is in a receiving mode.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211457102.7A CN115882901A (en) | 2019-12-31 | 2019-12-31 | Ground end equipment, mobile end equipment and control method |
| CN201911421396.6A CN111181604A (en) | 2019-12-31 | 2019-12-31 | Near field communication method/sensor, ground end equipment and mobile end equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911421396.6A CN111181604A (en) | 2019-12-31 | 2019-12-31 | Near field communication method/sensor, ground end equipment and mobile end equipment |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211457102.7A Division CN115882901A (en) | 2019-12-31 | 2019-12-31 | Ground end equipment, mobile end equipment and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111181604A true CN111181604A (en) | 2020-05-19 |
Family
ID=70655932
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211457102.7A Pending CN115882901A (en) | 2019-12-31 | 2019-12-31 | Ground end equipment, mobile end equipment and control method |
| CN201911421396.6A Pending CN111181604A (en) | 2019-12-31 | 2019-12-31 | Near field communication method/sensor, ground end equipment and mobile end equipment |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211457102.7A Pending CN115882901A (en) | 2019-12-31 | 2019-12-31 | Ground end equipment, mobile end equipment and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN115882901A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022031070A1 (en) * | 2020-08-06 | 2022-02-10 | 삼성전자 주식회사 | Switching circuit for switching signal path in wireless communication system, and electronic device comprising same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412869A (en) * | 2010-09-21 | 2012-04-11 | 国民技术股份有限公司 | System and method for fast accessing near field communication with controllable communication range |
| CN105162226A (en) * | 2015-09-30 | 2015-12-16 | 武汉大学 | Enhanced-transmitting-coil-based dynamic wireless power supply system and method of electric car |
| CN105431323A (en) * | 2013-08-09 | 2016-03-23 | 高通股份有限公司 | Systems, methods, and apparatus related to detecting and identifying electric vehicle and charging station |
| CN107846080A (en) * | 2016-09-18 | 2018-03-27 | 中兴通讯股份有限公司 | Wireless communications method and transmission equipment, receiving device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204697059U (en) * | 2015-05-25 | 2015-10-07 | 厦门英诺尔信息科技有限公司 | Near field communication means |
| CN105068027A (en) * | 2015-07-17 | 2015-11-18 | 袁丽 | Intelligent magnetic sensor and vehicle detection method based on same |
| CN205565904U (en) * | 2016-02-02 | 2016-09-07 | 上海阪辉新能源科技有限公司 | Magnetic induction formula and magnetic resonance formula bimodulus non contact charging device |
| CN205670380U (en) * | 2016-06-15 | 2016-11-02 | 中国矿业大学 | A kind of magnetic induction wave guide communication device for underground pipe network safety monitoring |
| CN205945131U (en) * | 2016-07-29 | 2017-02-08 | 武汉大学 | Near field resonance and inductive coupling be wireless charging system of formula biotelemetry device in coordination |
-
2019
- 2019-12-31 CN CN202211457102.7A patent/CN115882901A/en active Pending
- 2019-12-31 CN CN201911421396.6A patent/CN111181604A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412869A (en) * | 2010-09-21 | 2012-04-11 | 国民技术股份有限公司 | System and method for fast accessing near field communication with controllable communication range |
| CN105431323A (en) * | 2013-08-09 | 2016-03-23 | 高通股份有限公司 | Systems, methods, and apparatus related to detecting and identifying electric vehicle and charging station |
| CN105162226A (en) * | 2015-09-30 | 2015-12-16 | 武汉大学 | Enhanced-transmitting-coil-based dynamic wireless power supply system and method of electric car |
| CN107846080A (en) * | 2016-09-18 | 2018-03-27 | 中兴通讯股份有限公司 | Wireless communications method and transmission equipment, receiving device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022031070A1 (en) * | 2020-08-06 | 2022-02-10 | 삼성전자 주식회사 | Switching circuit for switching signal path in wireless communication system, and electronic device comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115882901A (en) | 2023-03-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10654364B2 (en) | Method and apparatus for a wireless charging system | |
| CN105099003A (en) | Wireless charging method and corresponding device | |
| CN104040802A (en) | Contactless plug connector and contactless plug connector system | |
| US20180375390A1 (en) | Lateral positioning for wireless electric vehicle charging | |
| CN111181604A (en) | Near field communication method/sensor, ground end equipment and mobile end equipment | |
| KR102452017B1 (en) | Apparatus for transmitting and receiving wireless power | |
| CN105933027B (en) | Using the wireless sensor system of flaky electric capacity | |
| CN105790445A (en) | Wireless transmission device and manipulator arm employing same | |
| CN205070484U (en) | A equipment for wireless charging system | |
| US20210213839A1 (en) | Wireless power transfer device | |
| US20230179030A1 (en) | Positioning system and method based on low frequency magnetic field, and device | |
| CN207344602U (en) | A kind of mechanical rocker arm | |
| WO2007054102A1 (en) | A control unit for earth moving equipment and the similar | |
| CN201477214U (en) | Nearness sensor | |
| CN1134636A (en) | Electromagnetic inductive contactless data transmission interface | |
| CN213750757U (en) | Mobile robot navigation system integrating magnetic guiding, communication and positioning | |
| WO2020064765A1 (en) | Wireless power supply device and electrical apparatus | |
| CN106712235A (en) | Wireless charging system for smart door viewer | |
| KR20180128371A (en) | Apparatus and method for controlling wireless power transmission | |
| CN109720224B (en) | Position self-adaptive control method for wireless energy transmitting mechanism | |
| CN216145115U (en) | AGV dispatching system based on optical communication | |
| CN203164421U (en) | Isolating circuit and navigation terminal with the same | |
| CN219121412U (en) | Self-positioning unmanned vehicle and unmanned vehicle system | |
| CN210983097U (en) | AR intelligent tracking vehicle | |
| CN214796192U (en) | Intelligent bidirectional transmission device |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200519 |