CN203071662U - Energy receiver and frequency-variable energy conversion device containing same - Google Patents
Energy receiver and frequency-variable energy conversion device containing same Download PDFInfo
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- CN203071662U CN203071662U CN2012205279101U CN201220527910U CN203071662U CN 203071662 U CN203071662 U CN 203071662U CN 2012205279101 U CN2012205279101 U CN 2012205279101U CN 201220527910 U CN201220527910 U CN 201220527910U CN 203071662 U CN203071662 U CN 203071662U
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Abstract
The utility model relates to an energy receiver and a frequency-variable energy conversion device containing the same. The energy receiver comprises at least two energy receiving modules which are different in characteristic frequency and are used for receiving electromagnetic waves, wherein each of the energy receiving modules is used for transmitting the electromagnetic waves to a load thereof and includes a receiving coil and a capacitor which is used for generating resonance with the receiving coil. The receiving coils are connected in parallel or in series with the capacitors respectively. By adopting the energy receiver and the frequency-variable energy conversion device containing the same, energy transmission in a given channel can be realized; and the energy receiver and the frequency-variable energy conversion device are simple in structure and high in transmission efficiency.
Description
Technical field
The application relates to a kind of energy transform device, particularly a kind of energy receiver and the frequency conversion energy conversion device that comprises it.
Background technology
The transmission of traditional energy can only be man-to-man transmission, or transmission one-to-many the time, and can not select the transmission channel of appointment to carry out the energy transmission.
The utility model content
Provide hereinafter about brief overview of the present utility model, in order to basic comprehension about some aspect of the present utility model is provided.Should be appreciated that this general introduction is not about exhaustive general introduction of the present utility model.It is not that intention is determined key of the present utility model or pith, neither be intended to limit scope of the present utility model.Its purpose only is that the form of simplifying provides some concept, with this as the preorder of discussing after a while in greater detail.
The frequency conversion energy conversion device that a main purpose of the present utility model is a kind of energy receiver is provided and comprises it can be realized the energy transmission of dedicated tunnel.
According to an aspect of the present utility model, a kind of energy receiver comprises that at least two characteristic frequencies are mutually different for receiving electromagnetic energy receiver module;
Each described energy receiver module is used for to load transfer electromagnetic wave separately, and each described energy receiver module includes receiving coil and is used for producing with this receiving coil the electric capacity of resonance;
Described receiving coil is in parallel with described electric capacity or be connected in series.
According on the other hand of the present utility model, a kind of frequency conversion energy conversion device comprises energy receiver, also comprises the frequency conversion energy emitter;
Described frequency conversion energy emitter comprises signal generator and signal projector, wherein:
Described signal generator is for generation of the electromagnetic wave of multiple frequency;
Described signal projector is used for the electromagnetic wave that the described signal generator of emission produces.
Adopt energy receiver of the present utility model and comprise its frequency conversion energy conversion device, can realize the energy transmission of dedicated tunnel, and simple in structure, efficiency of transmission is high.
Description of drawings
With reference to below in conjunction with the explanation of accompanying drawing to the utility model embodiment, can understand above and other purpose of the present utility model, characteristics and advantage more easily.Parts in the accompanying drawing are just in order to illustrate principle of the present utility model.In the accompanying drawings, same or similar technical characterictic or parts will adopt identical or similar Reference numeral to represent.
Fig. 1 is the structure chart of a kind of execution mode of energy receiver of the present utility model;
Fig. 2 is the structure chart of a kind of execution mode of frequency conversion energy conversion device of the present utility model;
Fig. 3 is the structure chart of a kind of application mode of frequency conversion energy conversion device of the present utility model.
Embodiment
Embodiment of the present utility model is described with reference to the accompanying drawings.The element of describing in an accompanying drawing of the present utility model or a kind of execution mode and feature can combine with element and the feature shown in one or more other accompanying drawing or the execution mode.Should be noted that for purpose clearly, omitted in accompanying drawing and the explanation and the utility model parts irrelevant, that those of ordinary skills are known and expression and the description of processing.
Referring to shown in Figure 1, be the structure chart of a kind of execution mode of energy receiver 20 of the present utility model.In the present embodiment, energy receiver 20 comprises that at least two are used for receiving electromagnetic energy receiver module.The characteristic frequency of at least two energy receiver modules is different.
In one embodiment, for example can comprise three energy receiver modules 21,22 and 23.The characteristic frequency of these three energy receiver modules is different.
As a kind of execution mode, each energy receiver module (21,22,23) all can comprise receiving coil Lr and be used for producing with this receiving coil Lr the capacitor C r of resonance.Receiving coil Lr can be connected with parallel connection or series system with capacitor C r.For example, by adopting different big or small inductance (as the coil of the different numbers of turn) and the combination of electric capacity, the energy receiver module that can obtain to have the different characteristic frequency.
As a kind of execution mode, receiving coil Lr can be helical winding.
Referring to shown in Figure 2, be the structure chart of a kind of execution mode of frequency conversion energy conversion device of the present utility model.In the present embodiment, the frequency conversion energy conversion device also comprises frequency conversion energy emitter 10 except energy receiver 20.
In one embodiment, frequency conversion energy emitter 10 can comprise signal generator 12 and signal projector 11.Wherein, signal generator 12 is for generation of the electromagnetic wave of multiple frequency.The electromagnetic wave that signal projector 11 produces for the generator 12 that transmits.The electromagnetic frequency that signal generator 12 in the frequency conversion energy emitter 10 produces can be continually varying, for example, and can be by continuous electromagnetic frequencies that produces of regulating such as knobs.Perhaps, the electromagnetic frequency that the signal generator 12 in the frequency conversion energy emitter 10 produces can disperse, and for example, a plurality of buttons can be set in signal generator 12, the electromagnetic generation that each button can a corresponding frequency.
In one embodiment, the signal projector 11 in the frequency conversion energy emitter 10 can comprise coil, for example helical winding.
In one embodiment, the receiving coil of each the energy receiver module in the energy receiver 20 is all parallel with the transmitting coil 11 of signal projector 10.The receiving coil 21 of energy receiver 20 is set to parallel with the transmitting coil 11 of signal projector 10, thereby can be so that the efficient maximum of energy transmission, that is to say to make the loss minimum of energy.
In one embodiment, suppose that the energy receiver 20 in the frequency conversion energy conversion device comprises three energy receiver modules 21,22,23, these three energy receiver 21,22,23 characteristic frequency are respectively 20KHZ, 40KHZ and 60KHZ, and the signal generator in the energy emitter 10 12 can produce the electromagnetic wave of 10KHZ ~ 70KHZ.When energy being delivered to characteristic frequency when being the energy receiver module 21 of 40KHZ from energy emitter 10, can regulate electromagnetic frequency that the signal generator 12 in the energy emitter 10 produces to 40KHZ, at this moment, it is that the electromagnetic wave that energy receiver module 21 and the energy emitter 10 of 40KHZ sent produces resonance that characteristic frequency is only arranged, thereby transfers energy among the load RL of this energy receiver module 21.And characteristic frequency is that the energy receiver module 22,23 of 20KHZ and 60KHZ is because the electromagnetic wave that can not send with energy emitter 10 produces resonance, thereby can not accept the electromagnetic wave of energy emitter 10 emission, and then can not transfer energy among this energy receiver module 22,23 the load RL.
In one embodiment, can have magnetizing mediums between the coil 11 of signal projector 10 and each receiving coil 21.Magnetizing mediums can comprise air, vacuum, ferrite, magnetic or iron powder.
In one embodiment, the frequency conversion energy conversion device can also comprise the detection module (not shown), the load of each the energy receiver module in detection module and the energy receiver 20 is connected, electrical quantity (for example parameter such as voltage, electric current) for detection of the load of each energy receiver module, according to the testing result that obtains, signal generator 12 in the signal projector 10 in the control frequency conversion energy conversion device, make signal generator 12 produce the electromagnetic wave of different frequency according to testing result, thus with electromagnetic transmission to the energy receiver module of appointment.
Referring to shown in Figure 3, for the structure chart of a kind of application mode of frequency conversion energy conversion device of the present utility model, be that serial lithium battery group BAT1, BAT2, BAT3 and BAT4 carry out the active energy equilibrium by the frequency conversion energy conversion device.
In this application mode, frequency conversion energy emitter 110 is made up of signal generator 111 and signal projector 112.Signal generator 111 can be made up of frequency variation signal source, field effect transistor Q1, inductance L 1, capacitor C 1 and variable capacitance C2, C3.Signal projector 112 is coil.The electromagnetic wave that frequency conversion energy emitter 110 is launched is delivered to energy receiver 210,220,230 and 240 in one of them according to the difference of frequency through magnetizing mediums 200.Energy receiver 210,220,230 and 240 has energy receiving coil L2 and capacitor C 4, energy receiving coil L3 and capacitor C 5, energy receiving coil L4 and capacitor C 6, energy receiving coil L5 and capacitor C 7 in parallel respectively.Energy receiver 210,220,230 and 240 characteristic frequency are different, and for example energy receiver 210,220,230 and 240 resonance frequency can be respectively 200KHZ, 220KHZ, 240KHZ and 260KHZ.Connect secondary frequency-selective network 310 after each energy receiver 210,220,230 and 240, the electromagnetic wave that is used for a spot of disresonance frequence of filtering, connect rectifier 410 behind the secondary frequency-selective network 310, be used for alternating electromotive force output DC after rectification, filtering of secondary frequency-selective network 310 outputs is pressed onto the battery of appointment.
For example, when detection module detect among the battery BAT1 in the battery pack electric energy more after a little while, checkout gear with this feedback information to frequency variation signal generator 111, make frequency variation signal generator 111 produce the frequency electromagnetic wave identical with the resonance frequency of energy receiver 210, and be the electromagnetic wave of 200KHz by signal projector 112 outside tranmitting frequencies, energy receiver 210 is resonance and receive electric energy with it. and the alternating electromotive force that energy receiver 210 receives provides alternating current by secondary frequency-selective network (capacitor C 8, inductance L 6) for rectifier.After diode D1, D5 rectification and capacitor C 12 filtering of alternating current in rectifier, BAT1 provides direct current energy for battery, finishes the energy transmission to BAT1.
Similarly, when detection module detect among the battery BAT2 in the battery pack electric energy more after a little while, checkout gear with this feedback information to frequency variation signal generator 111, make frequency variation signal generator 111 produce the frequency electromagnetic wave identical with the resonance frequency of energy receiver 220, and be the electromagnetic wave of 220KHz by signal projector 112 outside tranmitting frequencies, energy receiver 220 is resonance and receive electric energy with it.The alternating electromotive force that energy receiver 220 receives provides alternating current by secondary frequency-selective network (capacitor C 9, inductance L 7) for rectifier.After diode D2, D6 rectification and capacitor C 13 filtering of alternating current in rectifier, BAT2 provides direct current energy for battery, finishes the balancing energy to BAT2.
In like manner, when detection module detect among the battery BAT3 in the battery pack electric energy more after a little while, checkout gear with this feedback information to frequency variation signal generator 111, make frequency variation signal generator 111 produce the frequencies electromagnetic wave identical with the resonance frequency of energy receiver 230, and be the electromagnetic wave of 240KHz by signal projector 112 outside tranmitting frequencies.When detection module detect among the battery BAT4 in the battery pack electric energy more after a little while, checkout gear with this feedback information to frequency variation signal generator 111, make frequency variation signal generator 111 produce the frequency electromagnetic wave identical with the resonance frequency of energy receiver 240, and be the electromagnetic wave of 260KHz by signal projector 112 outside tranmitting frequencies, to finish the energy transmission to battery BAT3 or BAT4.
Adopt energy receiver of the present utility model and comprise its frequency conversion energy conversion device, can realize the energy transmission of dedicated tunnel, and simple in structure, efficiency of transmission is high.
Above execution modes more of the present utility model are described in detail.To understand as those of ordinary skill in the art, whole or any steps or the parts of method and apparatus of the present utility model, can be in the network of any computing equipment (comprising processor, storage medium etc.) or computing equipment, realized with hardware, firmware, software or their combination, this is that those of ordinary skills use their basic programming skill just can realize under the situation of understanding content of the present utility model, does not therefore need to specify at this.
In addition, it is evident that, when relating to possible peripheral operation in the superincumbent explanation, will use any display device and any input equipment, corresponding interface and the control program that link to each other with any computing equipment undoubtedly.Generally speaking, the hardware of the various operations in the related hardware in computer, computer system or the computer network, software and the realization preceding method of the present utility model, firmware, software or their combination namely constitute equipment of the present utility model and each building block thereof.
Should emphasize that term " comprises/comprise " existence that refers to feature, key element, step or assembly when this paper uses, but not get rid of the existence of one or more further feature, key element, step or assembly or additional.
Though described the utility model and advantage thereof in detail, be to be understood that and under the situation that does not exceed the spirit and scope of the present utility model that limited by appended claim, can carry out various changes, alternative and conversion.And the application's scope is not limited only to the specific embodiment of the described process of specification, equipment, means, method and step.The one of ordinary skilled in the art will readily appreciate that from disclosure of the present utility model, can use according to the utility model and carry out and process, equipment, means, method or the step essentially identical function of corresponding embodiment described herein or acquisition result essentially identical with it, existing and that will be developed in the future.Therefore, appended claim is intended to comprise such process, equipment, means, method or step in their scope.
Claims (9)
1. energy receiver is characterized in that:
Comprise that at least two characteristic frequencies are mutually different for receiving electromagnetic energy receiver module;
Each described energy receiver module is used for to load transfer electromagnetic wave separately, and each described energy receiver module includes receiving coil and is used for producing with this receiving coil the electric capacity of resonance;
Described receiving coil is in parallel with described electric capacity or be connected in series.
2. energy receiver according to claim 1 is characterized in that:
Described receiving coil is helical winding.
3. a frequency conversion energy conversion device comprises any described energy receiver as claim 1-2, it is characterized in that, also comprises the frequency conversion energy emitter;
Described frequency conversion energy emitter comprises signal generator and signal projector, wherein:
Described signal generator is for generation of the electromagnetic wave of multiple frequency;
Described signal projector is used for the electromagnetic wave that the described signal generator of emission produces.
4. frequency conversion energy conversion device according to claim 3 is characterized in that, the described signal projector in the described frequency conversion energy emitter comprises transmitting coil.
5. frequency conversion energy emitter according to claim 4 is characterized in that:
Described transmitting coil is helical winding.
6. according to claim 4 or 5 described frequency conversion energy conversion devices, it is characterized in that:
Each described receiving coil is parallel with described transmitting coil.
7. according to claim 4 or 5 described frequency conversion energy conversion devices, it is characterized in that:
Has magnetizing mediums between described transmitting coil and each the described receiving coil.
8. frequency conversion energy conversion device according to claim 7 is characterized in that:
Described magnetizing mediums comprises ferrite, magnetic or iron powder.
9. frequency conversion energy conversion device according to claim 3 is characterized in that, also comprises detection module;
Described detection module is connected with the load of each energy receiver module, electrical quantity for detection of each described load, and according to the testing result that obtains, control described signal generator, make described signal generator produce the electromagnetic wave of different frequency according to described testing result.
Priority Applications (1)
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CN2012205279101U CN203071662U (en) | 2012-10-16 | 2012-10-16 | Energy receiver and frequency-variable energy conversion device containing same |
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CN2012205279101U CN203071662U (en) | 2012-10-16 | 2012-10-16 | Energy receiver and frequency-variable energy conversion device containing same |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102916498A (en) * | 2012-10-16 | 2013-02-06 | 河北凯翔电气科技股份有限公司 | Energy receiver and frequency-conversion energy conversion device comprising same |
CN104124778A (en) * | 2013-04-28 | 2014-10-29 | 海尔集团技术研发中心 | Receiving end circuit of wireless electric power transmission system |
CN113922521A (en) * | 2021-11-17 | 2022-01-11 | 重庆前卫无线电能传输研究院有限公司 | Multidirectional multi-load wireless charging coupling device and charging pile |
-
2012
- 2012-10-16 CN CN2012205279101U patent/CN203071662U/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102916498A (en) * | 2012-10-16 | 2013-02-06 | 河北凯翔电气科技股份有限公司 | Energy receiver and frequency-conversion energy conversion device comprising same |
CN104124778A (en) * | 2013-04-28 | 2014-10-29 | 海尔集团技术研发中心 | Receiving end circuit of wireless electric power transmission system |
WO2014176857A1 (en) * | 2013-04-28 | 2014-11-06 | 海尔集团技术研发中心 | Wireless electric energy transmission system receiving end circuit |
CN113922521A (en) * | 2021-11-17 | 2022-01-11 | 重庆前卫无线电能传输研究院有限公司 | Multidirectional multi-load wireless charging coupling device and charging pile |
CN113922521B (en) * | 2021-11-17 | 2023-09-26 | 重庆前卫无线电能传输研究院有限公司 | Multidirectional multi-load wireless charging coupling device and charging pile |
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