CN104852478A - Identity identification circuit - Google Patents
Identity identification circuit Download PDFInfo
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- CN104852478A CN104852478A CN201510304242.4A CN201510304242A CN104852478A CN 104852478 A CN104852478 A CN 104852478A CN 201510304242 A CN201510304242 A CN 201510304242A CN 104852478 A CN104852478 A CN 104852478A
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Abstract
The invention discloses a design of an identity identification circuit applied to a wireless power transmission technology. The identity identification circuit mainly comprises four parts, i.e., a power supply, an electromagnetic emission array, an electromagnetic receiving array and a load. The system provided by the invention belongs to a leading-edge interdisciplinary field of high-frequency electromagnetic theory engineering and signal transmission application, solves the identity identification problem of multiple emission sources and multiple loads in wireless power transmission and has great application prospect.
Description
Technical field
The present invention relates to a kind of identification circuit engineering.This technology is mainly used in wireless power transmission field, is the circuit that a kind of structure is simple, reliability is high.
Background technology
The charging of electrical equipment is generally undertaken by plug and socket, but when carrying out high-power charging, this charging modes exists the danger that high pressure gets an electric shock.And owing to there is friction and wear, the fail safe of system, reliability and useful life are lower, particularly in some inflammable, explosive fields such as chemical industry, mining, very easily cause large accident.Novel radio electric energy transmission system adopts electromagnetic induction principle, power electronic technology and control theory to combine, and achieves the wireless transmission of electric energy, overcomes above restriction completely.
Along with the development of wireless power transmission technology, in the occasion of some multi-sources multi-user, more and more important with the identification accepting source to the emission source in wireless power transmission.For overcoming the problems referred to above, the present invention proposes to a kind of identification circuit based on wireless power transmission, devising that a kind of structure is simple, reliability is high.
Summary of the invention
Technical problem to be solved by this invention is, carries out identification to the emission source in wireless power transmission process and reception source.
The technical solution adopted in the present invention is: a kind of identification circuit, comprising: power supply, electromagnetic emission array, electromagnetism receiving array and load.
Described electromagnetic emission array comprises: transmitting terminal relay array, transmitting terminal signal extraction and load-on module, transmitting terminal DSP control system, DDS signal source, wide-band linearity power amplifier, transmitting terminal matching network, electromagnetic emitting section.
Described relays power and receiving system comprise: electromagnetism receiving unit, receiving terminal match circuit, current rectifying and wave filtering circuit, DC/DC change volt circuit, receiving terminal relay array, and receiving terminal DSP control system and receiving end signal extract and load-on module.
Described transmitting terminal signal extraction and load-on module, receiving end signal extracts the transmission and the reception that are used for signal with load-on module.
Described electromagnetic emitting section and electromagnetism receiving unit are used for the mode of energy in space with magnetic Field Coupling and propagate.
Described transmitting terminal DSP control system and receiving terminal DSP control system for order explanation, execution, state-detection and control etc.
Described transmitting terminal matching network and receiving terminal matching network mate for the resonance of whole radio energy transmission system, realize the maximization of power delivery.
Described DDS signal source is for generation of the small-power sinusoidal signal of high frequency.
The high-frequency small power signal that described wide-band linearity power amplifier is used for DDS signal source produces carries out power amplification.
Described transmitting terminal power detection module and receiving terminal power detection module are for carrying out the Real-Time Monitoring of power.
The electric energy that described current rectifying and wave filtering circuit is used for receiving terminal match circuit to receive carries out rectification, and filtering clutter.
Described DC/DC changes volt circuit for the energy after rectifying and wave-filtering is carried out voltage transitions, obtains the electric energy that applicable load uses.
Described electromagnetic emission tuning system comprises first switch and capacitances in series, then with such form many groups parallel connection (group number is for 11); Last again by parallel with electromagnetic emitting section again for these group relay switch arrays; It is characterized in that, transmitting terminal DSP control system controls its relay switch array and carries out selection and open and operate with shutoff.
Described electromagnetism reception tuning system comprises first switch and capacitances in series, then with such form many groups parallel connection (group number is for 11); Last again that these group relay switch arrays are in parallel with electromagnetism receiving unit and load again; It is characterized in that, receiving terminal DSP control system controls its relay switch array and carries out selection and open and operate with shutoff.
Identification circuit of the present invention has the advantages that structure is simple, reliability is high.
Accompanying drawing explanation
Fig. 1 is the entire block diagram of design system;
Fig. 2 is electromagnetic emission array system block diagram;
Fig. 3 is electromagnetism receiving array system block diagram;
Fig. 4 is electromagnetic emission tuning system block diagram;
Fig. 5 is that electromagnetism receives tuning system block diagram;
Embodiment
The invention provides that a kind of structure is simple, the identification circuit for wireless power transmission of high reliability.Below in conjunction with embodiment and accompanying drawing, the present invention is described in detail.
As shown in Figure 1, the technical solution adopted in the present invention is: a kind of identification circuit, comprising: power supply, electromagnetic emission array, electromagnetism receiving array and load.It is characterized in that: power supply provides electric energy to electromagnetic emission array, electromagnetic emission array controls the electric energy launched in real time according to the feedback information of electromagnetism receiving array.Electromagnetism receiving array receives the energy from electromagnetic emission array by space magnetic field coupling, then power in real time for load, and Real-time Feedback is to electromagnetic emission array.
As shown in Figure 2, described electromagnetic emission array comprises: transmitting terminal relay array, transmitting terminal signal extraction and load-on module, transmitting terminal DSP control system, DDS signal source, wide-band linearity power amplifier, transmitting terminal matching network, electromagnetic emitting section.It is characterized in that: DDS signal source inputs the sinusoidal signal of certain power and frequency to wide-band linearity power amplifier, this signal is after wide-band linearity power amplifier amplifies, and then be input to transmitting terminal matching network, after overmatching, be input to electromagnetic emitting section again, then energy is transmitted in the form of an electromagnetic wave by repeating coil again.Transmitting terminal signal extraction and load-on module, according to electromagnetism receiving array feedack, export control signal to DDS signal source and transmitting terminal relay array.Make DDS signal source export new sinusoidal signal, transmitting terminal relay array carries out selection and opens and operate with shutoff.
As shown in Figure 3, described relays power and receiving system comprise: electromagnetism receiving unit, receiving terminal match circuit, current rectifying and wave filtering circuit, DC/DC change volt circuit, receiving terminal relay array, and receiving terminal DSP control system and receiving end signal extract and load-on module.It is characterized in that: electromagnetism receiving unit receives the electric energy launched from electric energy and signal transmitting system by space magnetic field coupling, then electric energy is input to receiving terminal match circuit, after overmatching, be input to current rectifying and wave filtering circuit again, the electric energy after rectifying and wave-filtering obtains the electric energy of applicable load use changing volt circuit through DC/DC.Receiving end signal extraction and load-on module detect the power that electromagnetism receiving unit obtains in real time, then testing result is supplied to receiving terminal DSP control system, receiving terminal DSP control system by the power results that receives by analysis, then control receiving terminal relay array is carried out selection to open and operate with shutoff, thus control electromagnetism receiving unit to the reception of the energy launched from electromagnetic emitting section.
As shown in Figure 4, described electromagnetic emission tuning system comprises: first have switch and capacitances in series, then with such form many groups parallel connection (group number is for 11).Last again by parallel with electromagnetic emitting section again for these group relay switch arrays.It is characterized in that: first, the control of transmitting terminal DSP control system receives " the electricity consumption request " that electromagnetism receiving array sends, according to the coded sequence control K that predetermined design is good
1to K
11wherein 5 closed, thus make C
1to C
11in corresponding electric capacity place in circuit, now the operating frequency of electromagnetic emission array will change, if electromagnetism receiving array feeds back the Hopping frequencies of coming, frequency hop sequences, when frequency hopping clock (permission certain error) 3 conditions are identical, just can complete frequency hopping communication, this user is " validated user ", otherwise is " disabled user ".
As shown in Figure 5, described electromagnetism receives tuning system and comprises: first have switch and capacitances in series, then with such form many groups parallel connection (group number is for 11).Last again that these group relay switch arrays are in parallel with electromagnetism receiving unit and load again.It is characterized in that: receiving terminal DSP control system is first extracted load-on module by receiving end signal and sent " power request " to electromagnetic emission array, when electromagnetism receiving array receives the Hopping frequencies of electromagnetic emission array transmission, frequency hop sequences, during frequency hopping clock (permission certain error) 3 conditions, receiving terminal DSP control system is according to receiving Hopping frequencies, frequency hop sequences, frequency hopping clock (permission certain error), control K
1to K
11wherein 5 closed, thus make C
1to C
11in corresponding electric capacity place in circuit, now the operating frequency of electromagnetism receiving array will change.Then electromagnetism receiving array is by Hopping frequencies now, frequency hop sequences, and frequency hopping clock feedback to electromagnetism generation array, thus makes electromagnetic emission array oneself can be identified as " validated user ".
Schematically above be described the present invention and execution mode thereof, this description does not have limitation, yet just one of the embodiments of the present invention shown in accompanying drawing.If so those of ordinary skill in the art enlightens by it; when not departing from the invention aim; adopt each component layouts mode of the same item of other form or other form; design the technical scheme similar to this technical scheme and embodiment without creationary, all should protection scope of the present invention be belonged to.
Claims (5)
1. an identification circuit, comprises power supply (1), electromagnetic emission array (2), electromagnetism receiving array (3) and load (4); It is characterized in that, power supply (1) is connected with electromagnetic emission array (2), and electromagnetism receiving array (3) is connected with load (4).
2. electromagnetic emission array according to claim 1 comprises electromagnetic emission tuning system (20), transmitting terminal signal extraction and load-on module (21), transmitting terminal DSP control system (22), DDS signal source (23), wide-band linearity power amplifier (24), transmitting terminal matching network (25), electromagnetic emitting section (26); It is characterized in that, DDS signal source (23) is connected with wide-band linearity power amplifier (24), wide-band linearity power amplifier (24) is connected with transmitting terminal matching network (25), transmitting terminal matching network (25) is connected with electromagnetic emitting section (26), DDS signal source (23) and transmitting terminal DSP control system (22), transmitting terminal DSP control system (22) is connected with electromagnetic emission tuning system (20), and transmitting terminal signal extraction is connected with electromagnetic emitting section (26) with load-on module (21).
3. relays power according to claim 1 and receiving system comprise electromagnetism receiving unit (31), receiving terminal match circuit (32), current rectifying and wave filtering circuit (33), DC/DC changes volt circuit (34), electromagnetism receives tuning system (35), and receiving terminal DSP control system (36) and receiving end signal extract and load-on module (37), it is characterized in that, electromagnetism receiving unit (31) is connected with receiving terminal match circuit (32), receiving terminal match circuit (32) is connected with current rectifying and wave filtering circuit (33), current rectifying and wave filtering circuit (33) and DC/DC change volt circuit (34) and are connected, DC/DC changes volt circuit and is connected with load (4), electromagnetism receiving unit is connected with receiving terminal relay array (35) again, receiving terminal DSP control system (36) receives again tuning system (35) and is connected with electromagnetism, receiving terminal DSP control system (36) is extracted again load-on module (37) and is connected with receiving end signal.
4. electromagnetic emission tuning system according to claim 2 comprises first switch and capacitances in series, then with such form many groups parallel connection (group number is for 11); Last again that these group relay switch arrays are in parallel with electromagnetic emitting section (26) again; It is characterized in that, transmitting terminal DSP control system (22) controls its relay switch array and carries out selection and open and operate with shutoff.
5. electromagnetism reception tuning system according to claim 3 comprises first switch and capacitances in series, then with such form many groups parallel connection (group number is for 11); Last again that these group relay switch arrays are in parallel with electromagnetism receiving unit (31) and load (4) again; It is characterized in that, receiving terminal DSP control system (36) controls its relay switch array and carries out selection and open and operate with shutoff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510304242.4A CN104852478A (en) | 2015-05-28 | 2015-05-28 | Identity identification circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510304242.4A CN104852478A (en) | 2015-05-28 | 2015-05-28 | Identity identification circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104852478A true CN104852478A (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510304242.4A Pending CN104852478A (en) | 2015-05-28 | 2015-05-28 | Identity identification circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110912A (en) * | 2018-02-07 | 2018-06-01 | 天津工业大学 | A kind of wireless electric energy transmission device with identification and resonance decoupling |
| CN108803451A (en) * | 2018-08-08 | 2018-11-13 | 深圳市智童乐慧科技有限公司 | A kind of recognition methods that module is freely replaced and system |
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| CN203151238U (en) * | 2013-01-30 | 2013-08-21 | 江苏华英光宝科技股份有限公司 | Multi-reception-end magnetic coupling wireless energy transmission system |
| CN103733488A (en) * | 2011-07-07 | 2014-04-16 | 鲍尔拜普罗克西有限公司 | An inductively coupled power transfer receiver |
| US20150015081A1 (en) * | 2013-07-12 | 2015-01-15 | Toshiba Tec Kabushiki Kaisha | Power transmission apparatus, and power transmitting device and power receiving device for the power transmission apparatus |
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| CN103733488A (en) * | 2011-07-07 | 2014-04-16 | 鲍尔拜普罗克西有限公司 | An inductively coupled power transfer receiver |
| CN203151238U (en) * | 2013-01-30 | 2013-08-21 | 江苏华英光宝科技股份有限公司 | Multi-reception-end magnetic coupling wireless energy transmission system |
| US20150015081A1 (en) * | 2013-07-12 | 2015-01-15 | Toshiba Tec Kabushiki Kaisha | Power transmission apparatus, and power transmitting device and power receiving device for the power transmission apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110912A (en) * | 2018-02-07 | 2018-06-01 | 天津工业大学 | A kind of wireless electric energy transmission device with identification and resonance decoupling |
| CN108110912B (en) * | 2018-02-07 | 2023-12-01 | 天津工业大学 | Wireless power transmission device with identity recognition and resonance decoupling functions |
| CN108803451A (en) * | 2018-08-08 | 2018-11-13 | 深圳市智童乐慧科技有限公司 | A kind of recognition methods that module is freely replaced and system |
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Application publication date: 20150819 |