CN203596667U - Wireless memory based on magnetic coupling resonant mode power supply - Google Patents

Wireless memory based on magnetic coupling resonant mode power supply Download PDF

Info

Publication number
CN203596667U
CN203596667U CN201320834073.1U CN201320834073U CN203596667U CN 203596667 U CN203596667 U CN 203596667U CN 201320834073 U CN201320834073 U CN 201320834073U CN 203596667 U CN203596667 U CN 203596667U
Authority
CN
China
Prior art keywords
circuit
output
wireless
input
memory module
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.)
Expired - Fee Related
Application number
CN201320834073.1U
Other languages
Chinese (zh)
Inventor
刘野然
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southwest Jiaotong University
Original Assignee
Southwest Jiaotong University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Southwest Jiaotong University filed Critical Southwest Jiaotong University
Priority to CN201320834073.1U priority Critical patent/CN203596667U/en
Application granted granted Critical
Publication of CN203596667U publication Critical patent/CN203596667U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Near-Field Transmission Systems (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model relates to a wireless memory, and specifically relates to a wireless memory based on magnetic coupling resonant mode power supply. The wireless memory based on magnetic coupling resonant mode power supply is characterized by comprising an electric energy generation module and a wireless memory module. Connection is established between the electric energy generation module and the wireless memory module through a magnetic field. The electric energy generation module includes a rectification circuit, a high-frequency inversion circuit, a transmission coil, a sampling circuit, a transmission control circuit and a transmission display circuit. The beneficial effects are that the wireless memory, under the circumstance of no contact with the main body contact, can perform rapid wireless data transmission; uninterruptible and stable work voltage and current can be provided to the memory in a wireless manner; and at the same time, the wireless power supply efficiency is high, the transmission distance is long, and the size and weight of the memory itself can be reduced too. Therefore, the wireless memory based on magnetic coupling resonant mode power supply is especially applicable.

Description

Based on the radio memory of magnetic coupling resonance manner power supply
Technical field
The utility model relates to radio memory, relates to specifically a kind of radio memory based on the power supply of magnetic coupling resonance manner.
Background technology
Memory is a kind of memory device, and the program of all kinds of computer systems and data all need to be kept at memory, and it occupies requisite status in modern control appliance.Memory, under self condition of power supply, carries out exchanges data by data wire and the external world, and utilizes its internal circuit and element to carry out Storage and Processing to information.
Along with increasing informational needs is processed, transmit and preserve, also more and more higher to the requirement of memory function.Early stage memory all with the use that is fixed together of other equipment, as the hard disk in PC, inner or external ROM, the RAM etc. of single-chip microcomputer; In order to improve the negotiability of memory, occurred subsequently as floppy disk, USB flash disk and portable hard drive etc. can be carried, move arbitrarily and place, by connecting line can with any memory communicating with the equipment of same-interface and communication protocol; In order further to improve the flexibility of memory, now there is again the wireless hard disk with wireless transmission function, this class memory as power supply, utilizes WIFI technology to carry out data and information transmission from charged pool.
The deficiency that existing mobile memory exists is mainly reflected in: for the portable hard drive that uses connecting line, itself and the connecting lines such as needing USB that is connected of apparatus such as computer, take the I/O interface of main process equipment simultaneously, usually cause great inconvenience for wireless hard disk, himself institute's charged pool finite capacity system, and the power consumption of WIFI module is larger, therefore whole wireless hard disk flying power is poor; And the existence of high capacity cell, has increased the volume and weight of wireless hard disk.Therefore also there is not at present the memory that can simultaneously carry out wireless power and Wireless Data Transmission.
Utility model content
To be solved in the utility model, be exactly the problem existing for above-mentioned legacy memory, a kind of radio memory based on the power supply of magnetic coupling resonance manner is proposed:
The utility model solves the problems of the technologies described above adopted technical scheme: based on the radio memory of magnetic coupling resonance manner power supply, it is characterized in that, comprise electric energy generation module and wireless memory module, described electric energy generation module and wireless memory module connect by magnetic field, described electric energy generation module comprises rectification circuit, high-frequency inverter circuit, transmitting coil, sample circuit, countdown circuit and transmitting display circuit, the output of described rectification circuit is connected with the input of filter regulator circuit, the output of described filter regulator circuit is connected with the input of high-frequency inverter circuit, the output of described high-frequency inverter circuit is connected with the output of transmitting coil and countdown circuit respectively, the input of described sample circuit is connected with transmitting coil, the output of described sample circuit is connected with the input of countdown circuit, the output of described control circuit is connected with transmitting display circuit, described wireless memory module comprises receiving coil, current rectifying and wave filtering circuit, DC-DC circuit, reception control circuit, receive indicating circuit, WIFI module, memory module and reserve battery, the output of described receiving coil is connected with the input of current rectifying and wave filtering circuit, the output of described current rectifying and wave filtering circuit is connected with the input of DC-DC circuit, the output of described DC-DC circuit respectively with memory module, the input of WIFI module and reception control circuit is connected, the output of described reception control circuit is connected with the input that receives indicating circuit, described reserve battery is connected with memory module, described memory module is connected with WIFI module, described transmitting coil produces resonance with receiving coil by the identical magnetic Field Coupling of frequency and connects.
The technical scheme that the utility model is total, based on magnetic coupling resonance manner, produce high frequency magnetic field by transmitting coil, receiving coil receives the magnetic field energy of transmitter module under resonance condition, thereby realizing and utilizing electric energy generation module is the lasting power supply of wireless memory module, makes wireless memory module can carry out incessantly Wireless Data Transmission.
Concrete, described electric energy generation module also comprises circuit interface, and the output of described circuit interface is connected with the input of rectification circuit, and described circuit interface is mains circuit interface and/or three-phase circuit interface.
Concrete, described wireless memory module also comprises external interface, and described external interface is connected with memory module, and described external interface is one or more in USB interface, serial ports and parallel port.
The beneficial effects of the utility model are, can be in complete and the discontiguous situation of main equipment, carry out quick, wireless transfer of data, and can provide continual, stable operating voltage and electric current for memory by wireless mode, wireless power efficiency is high simultaneously, long transmission distance, can also reduce the volume and weight of memory itself.
Accompanying drawing explanation
Fig. 1 is the logic schematic block diagram of electric energy generation module of the present utility model;
Fig. 2 is the logic schematic block diagram of wireless memory module of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, describe the technical solution of the utility model in detail:
As shown in Figure 1, for electric energy generation module of the present utility model, electric energy generation module comprises rectification circuit, high-frequency inverter circuit, transmitting coil, sample circuit, countdown circuit and transmitting display circuit, the output of described rectification circuit is connected with the input of filter regulator circuit, the output of described filter regulator circuit is connected with the input of high-frequency inverter circuit, the output of described high-frequency inverter circuit is connected with the output of transmitting coil and countdown circuit respectively, the input of described sample circuit is connected with transmitting coil, the output of described sample circuit is connected with the input of countdown circuit, the output of described control circuit is connected with transmitting display circuit.
As shown in Figure 2, for wireless memory module of the present utility model, wireless memory module comprises receiving coil, current rectifying and wave filtering circuit, DC-DC circuit, reception control circuit, receive indicating circuit, WIFI module, memory module and reserve battery, the output of described receiving coil is connected with the input of current rectifying and wave filtering circuit, the output of described current rectifying and wave filtering circuit is connected with the input of DC-DC circuit, the output of described DC-DC circuit respectively with memory module, the input of WIFI module and reception control circuit is connected, the output of described reception control circuit is connected with the input that receives indicating circuit, described reserve battery is connected with memory module, described memory module is connected with WIFI module, described transmitting coil produces resonance with receiving coil by the identical magnetic Field Coupling of frequency and connects.
Operation principle of the present utility model is:
Electric energy transmitter module is directly connected with civil power with the interface such as common socket by circuit interface, pass through rectification filtering voltage stabilizing circuit, for inverter circuit provides stable direct current input, through high-frequency inverter circuit, produce high-frequency alternating current, high-frequency alternating current is added on transmitting coil, produces high frequency magnetic field on transmitting coil.Under same frequency, there is resonance in the receiving coil of wireless memory module and interlock circuit and high frequency magnetic field, received energy, after rectifying and wave-filtering voltage stabilizing, obtain galvanic current, direct current is transformed to the operating voltage of memory and WIFI module needs through DC-DC circuit, to memory and WIFI module for power supply.In the time of electric energy transmitter module and the work of wireless memory module, show current operating state by countdown circuit and reception control circuit control transmitting display circuit with reception indicating circuit respectively.
Wherein, electric energy transmitter module carries out signals collecting by sample circuit to transmitting coil, the current and voltage signals of coil is passed to control circuit, countdown circuit judges loading condition according to sampled signal, control strategy by countdown circuit adjustment to high-frequency inverter circuit, thereby frequency and the amplitude of change inverter circuit output voltage, frequency and the size of the high frequency magnetic field that change coil produces, mate with the load of wireless memory module, guarantee that electric energy transmits with greater efficiency.In the time having wireless memory module to enter supply district, can identify and start power supply; When wireless memory module during away from supply district electric energy transmitter module can enter holding state, reduce energy consumption.
Need to, to the main frame operating of radio memory, communicate and transfer of data by WIFI and wireless memory module.

Claims (3)

1. the radio memory based on the power supply of magnetic coupling resonance manner, it is characterized in that, comprise electric energy generation module and wireless memory module, described electric energy generation module and wireless memory module connect by magnetic field, described electric energy generation module comprises rectification circuit, high-frequency inverter circuit, transmitting coil, sample circuit, countdown circuit and transmitting display circuit, the output of described rectification circuit is connected with the input of filter regulator circuit, the output of described filter regulator circuit is connected with the input of high-frequency inverter circuit, the output of described high-frequency inverter circuit is connected with the output of transmitting coil and countdown circuit respectively, the input of described sample circuit is connected with transmitting coil, the output of described sample circuit is connected with the input of countdown circuit, the output of described control circuit is connected with transmitting display circuit, described wireless memory module comprises receiving coil, current rectifying and wave filtering circuit, DC-DC circuit, reception control circuit, receive indicating circuit, WIFI module, memory module and reserve battery, the output of described receiving coil is connected with the input of current rectifying and wave filtering circuit, the output of described current rectifying and wave filtering circuit is connected with the input of DC-DC circuit, the output of described DC-DC circuit respectively with memory module, the input of WIFI module and reception control circuit is connected, the output of described reception control circuit is connected with the input that receives indicating circuit, described reserve battery is connected with memory module, described memory module is connected with WIFI module, described transmitting coil produces resonance with receiving coil by the identical magnetic Field Coupling of frequency and connects.
2. the radio memory based on the power supply of magnetic coupling resonance manner according to claim 1, it is characterized in that, described electric energy generation module also comprises circuit interface, the output of described circuit interface is connected with the input of rectification circuit, and described circuit interface is mains circuit interface and/or three-phase circuit interface.
3. the radio memory based on the power supply of magnetic coupling resonance manner according to claim 1, it is characterized in that, described wireless memory module also comprises external interface, and described external interface is connected with memory module, and described external interface is one or more in USB interface, serial ports and parallel port.
CN201320834073.1U 2013-12-17 2013-12-17 Wireless memory based on magnetic coupling resonant mode power supply Expired - Fee Related CN203596667U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320834073.1U CN203596667U (en) 2013-12-17 2013-12-17 Wireless memory based on magnetic coupling resonant mode power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320834073.1U CN203596667U (en) 2013-12-17 2013-12-17 Wireless memory based on magnetic coupling resonant mode power supply

Publications (1)

Publication Number Publication Date
CN203596667U true CN203596667U (en) 2014-05-14

Family

ID=50677525

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320834073.1U Expired - Fee Related CN203596667U (en) 2013-12-17 2013-12-17 Wireless memory based on magnetic coupling resonant mode power supply

Country Status (1)

Country Link
CN (1) CN203596667U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104318944A (en) * 2014-11-10 2015-01-28 四川神琥科技有限公司 Light charging wireless memory
CN106599973A (en) * 2016-12-02 2017-04-26 华南农业大学 Electromagnetic coupling non-interface mobile memory and mobile data exchange method
CN106685991A (en) * 2017-02-10 2017-05-17 华立科技股份有限公司 Full life circle traceable electric energy meter based on wireless technology

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104318944A (en) * 2014-11-10 2015-01-28 四川神琥科技有限公司 Light charging wireless memory
CN106599973A (en) * 2016-12-02 2017-04-26 华南农业大学 Electromagnetic coupling non-interface mobile memory and mobile data exchange method
CN106685991A (en) * 2017-02-10 2017-05-17 华立科技股份有限公司 Full life circle traceable electric energy meter based on wireless technology

Similar Documents

Publication Publication Date Title
KR20160087870A (en) Method and apparatus for wireless energy transmission and reception
CN204030732U (en) A kind of wireless charging device based on NFC
CN203596667U (en) Wireless memory based on magnetic coupling resonant mode power supply
CN110311439A (en) A kind of wireless charging method based on wireless energy transfer system
CN103441550A (en) Mobile phone wireless charging device capable of displaying charging information real time
CN204290445U (en) A kind of wireless charger with Bluetooth function
CN205453152U (en) Little grid system of hybrid intelligence
CN204089806U (en) Low-power consumption main frame MBUS receives and dispatches control circuit
CN101882814A (en) Method, device and system for enhancing output power consumption of USB interface
CN203522250U (en) Three-in-one wireless charging device
CN105576785A (en) Intelligent encryption-type wireless charging system
CN203180563U (en) Portable wireless charger
CN105119357A (en) Remote wireless charging device
CN201837921U (en) Wireless power supply system of notebook computer and external mouse
CN204810381U (en) Utilize camera device of wifi signal energy supply
CN203289132U (en) Wireless charger capable of displaying charging state
CN206077020U (en) A kind of non-contact charger systems
CN204652018U (en) A kind of wireless power adapter
CN102651568A (en) Wireless charging device
CN202939572U (en) Wireless charging mouse
CN204391908U (en) A kind of panel computer of wireless power
CN203859778U (en) Wireless charging power supply mobile phone back cover
CN207200392U (en) A kind of Intelligent wireless power charging system
CN106602742B (en) Knapsack embeds energy storage device wireless charging system and its control method
CN202306273U (en) Intelligent home controller

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
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: 20140514

Termination date: 20161217