CN205265377U - Wireless power and signal synchronization transmission system based on magnetic coupling resonance - Google Patents
Wireless power and signal synchronization transmission system based on magnetic coupling resonance Download PDFInfo
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- CN205265377U CN205265377U CN201520383613.8U CN201520383613U CN205265377U CN 205265377 U CN205265377 U CN 205265377U CN 201520383613 U CN201520383613 U CN 201520383613U CN 205265377 U CN205265377 U CN 205265377U
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Abstract
The utility model relates to a wireless power and signal synchronization transmission system based on magnetic coupling resonance mainly includes the power, electric energy and signalling system, electric energy and signal reception system, load, transmitting terminal reverse signal demodulalation system, receiving terminal reverse signal modulating system, transmitting terminal forward signal modulating system and receiving terminal forward signal demodulalation system. This system has also realized half duplex communication of signal when realizing the wireless power transmission. The forward position crossing domain is used in the theoretical engineering of high frequency electric magnetism with signal transmission to this department's subordination, has solved electric energy and signal synchronization wireless transmission's problem. The utility model relates to a have simple structure, high reliability, the good system of electromagnetic compatibility, have huge application prospect.
Description
Technical field
The present invention relates to a kind of based on magnet coupled resonant type wireless electric energy and signal synchronous transmission system. Particularly relate to a kind of have simple in structure, high reliability, good energy and the signal wireless synchronous transmission system of Electro Magnetic Compatibility.
Background technology
Along with the development of wireless power transmission technology, people are on the increase automation, intelligentized requirement. The synchronous transmission technology of radio energy and signal will become a kind of key technology. The synchronous transfer of radio energy and signal can make terminal break away from the dual constraint of power line and holding wire, strengthen the flexibility of equipment, applicability widely.
The synchronous transmission technology of radio energy and signal can be widely used in the multiple occasions such as intelligent transportation, intelligent communication, the manufacturing, Medical Devices.
Summary of the invention
Technical problem to be solved by this invention is, proposed a kind of radio energy and signal synchronous transmission system based on magnetic coupling resonance, and this system, in the process that realizes Energy Transfer, realizes the half-duplex bidirectional communication of information. This system has the advantages that structure is simple in structure, reliability is high, Electro Magnetic Compatibility is good.
Technical scheme of the present invention is a kind of radio energy and signal synchronous transmission system based on magnet coupled resonant type. Mainly comprise former limit part and secondary part.
A kind of radio energy and signal synchronous transmission system based on magnetic coupling resonance, comprise power supply (1), electric energy and signal transmitting system (2), electric energy and receiving system (3), load (4), transmitting terminal reverse signal demodulating system (5), receiving terminal reverse signal modulating system (6), transmitting terminal forward signal modulating system (7) and receiving terminal forward signal demodulating system (8); It is characterized in that, power supply (1) is connected with signal transmitting system (2) with electric energy, and electric energy is connected respectively with transmitting terminal forward signal modulating system (7) and transmitting terminal reverse signal demodulating system (5) with signal transmitting system (2). Electric energy is connected respectively with receiving terminal reverse signal modulating system (6) and receiving terminal forward signal demodulating system (8) with receiving system (3), electric energy is connected with load (4) with receiving system (3), and electric energy is not connected with receiving system (3) with electric energy with signal transmitting system (2) and carries out electric energy and signal transmission with wireless mode.
Described electric energy and signal transmitting system comprise: radio frequency source (21), multiplier (22), power amplifier (23), transmitting terminal coding unit (24), transmitting terminal control signal (25), transmitting terminal feedback signal (26), feedback demodulator circuit (27), reverse signal extract coil L1(28), energy transmitting coil L2(29), feedback signal decoding unit (30), transmitting terminal energy resonance coil L3(20); It is characterized in that, radio frequency source (21) is connected with multiplier (22), transmitting terminal control signal (25) is connected with transmitting terminal coding unit (24), transmitting terminal coding unit (24) is connected with multiplier (22), multiplier (22) is connected with power amplifier (23), power amplifier (23) and energy transmitting coil L2(29) be connected, reverse signal extracts coil L1(28) be connected with feedback demodulator circuit (27), feedback demodulator circuit (27) output transmitting terminal feedback signal (26), energy transmitting coil L2(29) with transmitting terminal energy resonance coil L3(20) be connected and with wireless way for transmitting energy; Reverse signal extracts coil L1(28) with energy transmitting coil L2(29) also not connected and reverse signal extracts coil L1(28) with wireless mode from spatial extraction changes of magnetic field energy.
Described electric energy and receiving system comprise: receiving terminal energy resonance coil L4(31), forward signal is extracted coil L6(32), demodulating unit (33), control signal (34), rectification unit (35), filter unit (36), change and press unit (37), compensation selected cell (38), feedback encoding unit (39), receiving terminal feedback signal (40), decoding unit (41), energy receiving coil L5(42), load (4); It is characterized in that energy receiving coil L5(42) be connected with rectification unit (35), rectification unit (35) is connected with filter unit (36), filter unit (36) with change press unit (37) be connected, change pressure unit (37) be connected with load (4); Receiving terminal feedback signal (40) is connected with feedback encoding unit (39), and feedback encoding unit (39) are connected with compensation selected cell (38), compensation selected cell (38) and energy receiving coil L2(42) be connected; Forward signal is extracted coil L6(32) be connected with demodulating unit (33), demodulating unit (33) demodulates control signal (34); Receiving terminal energy resonance coil L4(31) with energy receiving coil L5(42) be connected and with wireless way for transmitting energy; Forward signal is extracted coil L6(32) with energy receiving coil L6(42) not connected and forward signal is extracted coil L6(32) from spatial extraction changes of magnetic field energy.
Described radio frequency source is for generation of the low power sinusoidal signal of high frequency.
Described power amplifier is that small-signal is amplified.
Described multiplier is realized two mutual uncorrelated signal multiplications, and output signal is directly proportional to two input signal phase products.
Described coding unit is worked out control signal (as bit stream) or data, be converted to can be in order to the signal form of communication, transmission and storage.
Described modulating unit and feedback signal demodulation are that message is inserted to message carrier, are convenient to transmission or process.
Described demodulating unit and feedback signal demodulator circuit are the processes of message recovery the modulated signal from carrying message.
Described feedback signal decoding unit and decoding unit are the inverse process of coding, remove the noise that bit stream is sneaked in communication process simultaneously. Utilize decoding that a series of signal that represents a certain information is translated into prime information.
Described compensation selected cell is the compensating form different according to the low and high level Information Selection of feedback encoding unit.
Described rectification unit is that the energy for energy receiving coil is received carries out rectification.
Described filter unit is that the electric energy after rectification unit rectification is carried out to clutter filtering.
Described change that to press unit be the electric energy after unit after filtering to be carried out to voltage transitions obtain being applicable to the electric energy that load is used.
Advantage of the present invention: in realizing wireless power transmission, can realize the half-duplex operation of signal. And whole system is simple in structure, reliability is high, the feature that Electro Magnetic Compatibility is good. Further improve the automation of system.
Brief description of the drawings
Fig. 1 is the entire block diagram of design system;
Fig. 2 is former limit part system block diagram;
Fig. 3 is secondary part system block diagram.
Detailed description of the invention
The invention provides a kind of simple in structure, high reliability, the good radio energy based on magnetic coupling resonance and the signal synchronous transmission system of Electro Magnetic Compatibility. Below in conjunction with embodiment and accompanying drawing, radio energy and the signal synchronous transmission system based on magnetic coupling resonance of the present invention is described in detail.
Technical scheme of the present invention is a kind of radio energy and signal synchronous transmission system based on magnet coupled resonant type. Mainly comprise former limit part and secondary part.
As shown in Figure 1: former limit part comprises radio frequency source, multiplier, power amplifier, transmitting terminal coding unit, transmitting terminal control signal, transmitting terminal feedback signal, feedback demodulator circuit, reverse signal extract coil L1, energy transmitting coil L2, transmitting terminal energy resonance coil L3。
Secondary part comprises receiving terminal energy resonance coil L4, forward signal extracts coil L6, demodulating unit, control signal, rectification unit, filter unit, change and press unit, load, compensation selected cell, feedback encoding unit, receiving terminal feedback signal, energy receiving coil L5。
As shown in Figure 2: described former limit part, radio frequency source produces the sinusoidal signal with energy resonance coil identical resonance frequency. Control signal, through coding unit coding, becomes different high level and low level. High level representative " 1 ", low level representative " 0 ". Then the sinusoidal signal that different low and high levels and radio frequency source produce is through multiplier, the energy signal that the amplitude that becomes is different. " 1 " obtains amplitude with sine wave after multiplier is A1Sine wave, " 0 " is with sinusoidal wave to obtain amplitude after multiplier be A2Sine wave. Be A by amplitude1With amplitude be A2The modulating wave of composition, amplifies through power amplifier. Amplitude is A1Sine wave to become amplitude be A3Sine wave, amplitude is A2Sine wave to become amplitude be A4Sine wave. Be A by amplitude3With amplitude be A4Modulating wave after the amplification of composition is loaded into energy transmitting coil L2, then produce the frequency electromagnetic waves that can produce in air, then pass through energy resonance coil L3Electromagnetic energy is passed.
As shown in Figure 3: described secondary part, energy resonance coil L4Receive energy resonance coil L3The energy passing over, then energy resonance coil L4Again energy is passed to energy receiving coil L by electromagnetic wave5. Then receive the sine wave of changes in amplitude, through rectification unit, filter unit, changes to press and becomes stable voltage behind unit and supply with to load. Signal extraction coil L6Through demodulating unit and decoding unit, obtain former limit part control signal.
As shown in Figure 2: the reverse signal transmission of described secondary part, is characterized by: through feedback encoding unit then feedback signal, obtains different high level and low level. High level representative " 1 ", low level representative " 0 ". Then " 1 " and " 0 " represents energy receiving coil L5Different compensation, because compensation is different, to the energy transmitting coil L of former limit part2The variation of size of current. Then the signal extraction coil L of former limit part1The signal extracting is obtained to feedback signal through feedback signal demodulating unit and feedback signal decoding unit.
Below schematically the present invention and embodiment thereof are described, this description does not have limitation, and shown in accompanying drawing is also one of embodiments of the present invention. If so those of ordinary skill in the art is enlightened by it; in the situation that not departing from the invention aim; adopt the same base part of other form or each component layouts mode of other form; without the creationary technical scheme similar to this technical scheme and the embodiment of designing, all should belong to protection scope of the present invention.
Claims (1)
1. radio energy and the signal synchronous transmission system based on magnetic coupling resonance, comprise power supply (1), electric energy and signal transmitting system (2), electric energy and receiving system (3), load (4), transmitting terminal reverse signal demodulating system (5), receiving terminal reverse signal modulating system (6), transmitting terminal forward signal modulating system (7) and receiving terminal forward signal demodulating system (8); It is characterized in that, power supply (1) is connected with signal transmitting system (2) with electric energy, electric energy is connected respectively with transmitting terminal forward signal modulating system (7) and transmitting terminal reverse signal demodulating system (5) with signal transmitting system (2), electric energy is connected respectively with receiving terminal reverse signal modulating system (6) and receiving terminal forward signal demodulating system (8) with receiving system (3), and electric energy is connected with load (4) with receiving system (3); Electric energy and signal transmitting system (2) comprise: radio frequency source (21), multiplier (22), power amplifier (23), transmitting terminal coding unit (24), transmitting terminal control signal (25), transmitting terminal feedback signal (26), feedback demodulator circuit (27), reverse signal extract coil L1(28), energy transmitting coil L2(29), transmitting terminal energy resonance coil L3(20); Radio frequency source (21) is connected with multiplier (22), transmitting terminal control signal (25) is connected with transmitting terminal coding unit (24), transmitting terminal coding unit (24) is connected with multiplier (22), multiplier (22) is connected with power amplifier (23), power amplifier (23) and energy transmitting coil L2(29) be connected, reverse signal extracts coil L1(28) be connected with feedback demodulator circuit (27), feedback demodulator circuit (27) output transmitting terminal feedback signal (26); Electric energy and receiving system (3) comprise: receiving terminal energy resonance coil L4(31), forward signal is extracted coil L6(32), demodulating unit (33), control signal (34), rectification unit (35), filter unit (36), change and press unit (37), load (4), compensation selected cell (38), feedback encoding unit (39), receiving terminal feedback signal (40), decoding unit (41), energy receiving coil L5(42); Energy receiving coil L5(42) be connected with rectification unit (35), rectification unit (35) is connected with filter unit (36), filter unit (36) with change press unit (37) be connected, change pressure unit (37) be connected with load (4); Receiving terminal feedback signal (40) is connected with feedback encoding unit (39), and feedback encoding unit (39) are connected with compensation selected cell (38), compensation selected cell (38) and energy receiving coil L5(42) be connected; Forward signal is extracted coil L6(32) be connected with demodulating unit (33), demodulating unit (33) demodulates control signal (34).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520383613.8U CN205265377U (en) | 2015-05-28 | 2015-05-28 | Wireless power and signal synchronization transmission system based on magnetic coupling resonance |
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| CN201520383613.8U CN205265377U (en) | 2015-05-28 | 2015-05-28 | Wireless power and signal synchronization transmission system based on magnetic coupling resonance |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106513980A (en) * | 2016-11-02 | 2017-03-22 | 上海航天设备制造总厂 | Intelligent shank system for friction stir welding force and torque on-line measurement |
| CN108886271A (en) * | 2016-06-06 | 2018-11-23 | 株式会社村田制作所 | Wireless power supply system, wireless power power transmitting device and wireless power power receiving device |
| CN109995392A (en) * | 2017-12-28 | 2019-07-09 | 上海胤祺集成电路有限公司 | Magnetic coupling communication transceiver, magnetic coupling communication master chip and magnetic coupling communication system |
-
2015
- 2015-05-28 CN CN201520383613.8U patent/CN205265377U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108886271A (en) * | 2016-06-06 | 2018-11-23 | 株式会社村田制作所 | Wireless power supply system, wireless power power transmitting device and wireless power power receiving device |
| CN106513980A (en) * | 2016-11-02 | 2017-03-22 | 上海航天设备制造总厂 | Intelligent shank system for friction stir welding force and torque on-line measurement |
| CN109995392A (en) * | 2017-12-28 | 2019-07-09 | 上海胤祺集成电路有限公司 | Magnetic coupling communication transceiver, magnetic coupling communication master chip and magnetic coupling communication system |
| CN109995392B (en) * | 2017-12-28 | 2021-03-30 | 上海胤祺集成电路有限公司 | Magnetic coupling communication transceiver, magnetic coupling communication main chip and magnetic coupling communication system |
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Granted publication date: 20160525 Termination date: 20170528 |
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