CN104539028B - Energy of electromagnetic field harvester and communicator - Google Patents
Energy of electromagnetic field harvester and communicator Download PDFInfo
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- CN104539028B CN104539028B CN201410637470.9A CN201410637470A CN104539028B CN 104539028 B CN104539028 B CN 104539028B CN 201410637470 A CN201410637470 A CN 201410637470A CN 104539028 B CN104539028 B CN 104539028B
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- 230000005672 electromagnetic field Effects 0.000 title claims abstract description 99
- 238000004146 energy storage Methods 0.000 claims abstract description 44
- 238000004891 communication Methods 0.000 claims abstract description 21
- 230000005855 radiation Effects 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims 2
- 230000003750 conditioning effect Effects 0.000 abstract description 3
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Abstract
The invention discloses a kind of energy of electromagnetic field harvester, it includes coupler, isolator, rectifier unit and the energy-storage units being sequentially connected, coupler is used to receive electromagnetic field signal and electromagnetic field signal is converted into circuit signal, isolator is used to transmit circuit signal to rectifier unit and for preventing the interference signal from rectifier unit from being transferred to coupler, rectifier unit is used to store the DC energy of rectifier unit output and for exporting DC energy for circuit signal to be converted to the direct current signal as DC energy, energy-storage units.Above-mentioned energy of electromagnetic field harvester, by setting isolator, noise caused by circuit after isolator is isolated with coupler, so that come from subsequent conditioning circuit, noise such as rectifier can not be radiate by coupler, avoid and communication antenna nearby is interfered, and then ensure that the performance of communication system.The invention also discloses a kind of communicator.
Description
Technical field
The present invention relates to communication technical field, and more particularly to one kind can absorb from communication antenna periphery obtains electromagnetism field energy
The energy of electromagnetic field harvester and a kind of communicator of amount.
Background technology
Low power dissipation electron equipment, low-power consumption sensing equipment application scenarios it is very extensive, there is no power supply in many occasions
Line supplies power for, or inconvenient using power line power supply, therefore is conventional method using battery powered.But advantageously
Mode from from surrounding environment obtain energy.Electric energy is converted light energy into using photovoltaic cell, vibrations mechanical energy is converted into electricity
It can be the more mode of research.It is also a kind of method that energy of electromagnetic field in environment is converted into utilizable electric energy, still
It is difficult in surroundings energy density of electromagnetic field it is very low, it is difficult to obtain enough, lasting electric energy.
Recently as the development of technology, the electricity energy harvester that prior art is developed for example can be in the weak of -20dBm
Under signal condition, conversion obtains electric energy and is enough to support a microprocessor normal work.
But above-mentioned electricity energy harvester, only consider how that the lower electric energy that obtains is inadequate by force in feeble field.On because
Electricity energy harvester is stated during the radiofrequency signal of input is converted into direct current signal, inevitably results from being different from
Other frequency signals of frequency input signal.These other frequency signals for communication system in practice for can easily cause to make an uproar
Acoustic jamming.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art.Therefore, the present invention needs offer one
Kind energy of electromagnetic field harvester and a kind of communicator.
A kind of energy of electromagnetic field harvester, including coupler, isolator, rectifier unit and the energy storage list being sequentially connected
Member, the coupler are used to receive electromagnetic field signal and the electromagnetic field signal is converted into circuit signal, and the isolator is used for should
Circuit signal transmits to the rectifier unit and for preventing the Radio Frequency Interfere from the rectifier unit from being transferred to the coupling
Clutch, the rectifier unit are used for for the circuit signal to be converted to the direct current signal as DC energy, the energy-storage units
Store the DC energy of rectifier unit output and for exporting the DC energy；
The input port of the isolator connects the output end of the coupler, and the output port of the isolator connects the rectifier
Unit；
The rectifier unit is bridge rectifier, and the first port of the rectifier unit connects the output port of the isolator
Signal wire, the second port of the rectifier unit connects one end of the energy-storage units, and the 3rd port of the rectifier unit connects
The other end of the energy-storage units is connect, the 4th port of the rectifier unit connects the ground wire of the output port of the isolator.
Above-mentioned energy of electromagnetic field harvester, by setting isolator, by noise caused by the circuit after isolator with
Coupler is isolated so that can not be radiate, avoided to nearby by coupler from subsequent conditioning circuit, such as noise of rectifier
Communication antenna interfere, and then ensure that the performance of communication system.
In a wherein embodiment, the energy of electromagnetic field harvester also includes the first wave filter and the second filtering
Device, the coupler, first wave filter, the isolator, second wave filter, the rectifier unit and the energy-storage units connect successively
Connect.
In a wherein embodiment, the energy of electromagnetic field harvester also includes the first wave filter and the second filtering
Device, the coupler, the isolator, first wave filter, second wave filter, the rectifier unit and the energy-storage units connect successively
Connect.
In a wherein embodiment, the energy of electromagnetic field harvester also includes the first wave filter and the second filtering
Device, the coupler, first wave filter, second wave filter, the isolator, the rectifier unit and the energy-storage units connect successively
Connect.
In a wherein embodiment, the isolator includes the first isolator and the second isolator, the energy of electromagnetic field
Harvester also includes wave filter, the coupler, first isolator, second isolator, the wave filter, the rectifier unit
And the energy-storage units are sequentially connected.
A kind of communicator, including communication antenna and energy of electromagnetic field harvester, the energy of electromagnetic field harvester bag
The coupler being sequentially connected, isolator, rectifier unit and energy-storage units are included, the coupler is used to receive communication antenna radiation
Electromagnetic field signal and the electromagnetic field signal is converted into circuit signal, the isolator be used for the circuit signal is transmitted it is whole to this
Flow device unit and for preventing the interference signal from the rectifier unit from being transferred to the coupler, the rectifier unit is used for will
The circuit signal is converted to the direct current signal as DC energy, and the energy-storage units are used to store being somebody's turn to do for rectifier unit output
DC energy and for exporting the DC energy.
In a wherein embodiment, the communication antenna includes Antenna baseplate, antenna casing, antenna feed cable and day
Beta radiation oscillator, the Antenna baseplate are connected to be collectively forming receiving space with the antenna casing, and the antenna radiating element is located at should
In receiving space, the antenna feed cable wears the Antenna baseplate and is connected with the antenna radiating element, and the energy of electromagnetic field is adopted
Acquisition means are fixed in the receiving space, or the energy of electromagnetic field harvester is fixed on the outside of the antenna casing, or the electricity
Magnetic field energy harvester is apart from the antenna casing certain distance.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention is from combining in description of the accompanying drawings below to embodiment by change
Obtain substantially and be readily appreciated that, wherein：
Fig. 1 is the circuit diagram of the energy of electromagnetic field harvester of first embodiment of the invention.
Fig. 2 is the partial circuit schematic diagram of the energy of electromagnetic field harvester of second embodiment of the invention.
Fig. 3 is the partial circuit schematic diagram of the energy of electromagnetic field harvester of third embodiment of the invention.
Fig. 4 is the partial circuit schematic diagram of the energy of electromagnetic field harvester of four embodiment of the invention.
Fig. 5 is the partial circuit schematic diagram of the energy of electromagnetic field harvester of fifth embodiment of the invention.
Fig. 6 is the partial circuit schematic diagram of the energy of electromagnetic field harvester of sixth embodiment of the invention.
Fig. 7 is the partial circuit schematic diagram of the energy of electromagnetic field harvester of seventh embodiment of the invention.
Fig. 8 is the partial circuit schematic diagram of the energy of electromagnetic field harvester of eighth embodiment of the invention.
Fig. 9 is the module diagram of the communicator of ninth embodiment of the invention.
Embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " first ", " second " are only used for describing purpose, and can not
It is interpreted as indicating or implies relative importance or hidden conjunction indicates the quantity of indicated technical characteristic.Thus, define " the
The feature of one ", " second " can be expressed or hidden include one or more feature with closing.In description of the invention
In, " multiple " are meant that two or more, unless otherwise specifically defined.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection or can be in communication with each other；Can be joined directly together, can also be by between intermediary
Connect connected, can be connection or the interaction relationship of two elements of two element internals.For the ordinary skill of this area
For personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.In order to
Simplify disclosure of the invention, hereinafter to the parts of specific examples and be set for describing.Certainly, they are only example, and
And purpose does not lie in the limitation present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relation.In addition, the invention provides various specific techniques and material examples, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
Referring to Fig. 1, the energy of electromagnetic field harvester 10 of first embodiment of the invention includes the coupling being sequentially connected
Device 102, isolator 104, rectifier unit 106 and energy-storage units 108.
The coupler 102 is used to receive electromagnetic field signal and the electromagnetic field signal is converted into circuit signal, that is, receives institute
The electromagnetic field radiofrequency signal of placement location surrounding enviroment.Coupler 102 can be seen as a reception antenna, its working frequency range
The frequency range of its radiofrequency signal for intending receiving should be covered.The coupler 102 includes output end 112 and ground wire 113.
The isolator 104 is used to transmit the circuit signal to the rectifier unit 106 and for preventing to come from the rectification
The interference signal of device unit 106 is transferred to the coupler 102.The isolator 104 causes from radiofrequency signal from coupler 102 to whole
It is easy to flow the direction transmission of device unit 106, but from rectifier unit 106 to the transfer impedance in the direction of coupler 102 it is high, prevent from
Radio signal transmission of the rectifier unit 106 to the direction of coupler 102.From the penetrating to the direction of coupler 102 of rectifier unit 106
Frequency signal can be considered a kind of interference signal to the electromagnetic field of reception, can be to noise caused by the electromagnetic field.Described in the present embodiment
The interference signal from the rectifier unit 106 include interference signal and rectifier caused by rectifier unit 106 itself
Interference signal caused by other follow-up circuits of unit 106.
In the present embodiment, the input port 110 of the isolator 104 connects the output end 112 of the coupler 102, should
The output port 114 of isolator 104 connects the rectifier unit 106.Isolator is non-reciprocal devices.Such as：From input port
110 input signals, signal can only export from output port 114.Using the isolator 104 of this structure, simple in construction, function is easy to
Realize, and cost is low.
The rectifier unit 106 is used to being converted to the circuit signal into the direct current signal as DC energy.Rectifier list
Radio-frequency alternating current signal is typically converted to low-frequency d signal by circuit signal by member 106.
In the present embodiment, the rectifier unit 106 is bridge rectifier.The first port of the rectifier unit 106
118 connect the output port 114 of the isolator 104, specifically, connect the signal wire of the output port 114 of the isolator 104
115, one end of the connection of second port 120 of the rectifier unit 106 energy-storage units 108, the 3rd of the rectifier unit 106 the
Port 122 connects the other end of the energy-storage units 108, and the 4th port 124 of the rectifier unit 106 connects the isolator 104
Output port 114, specifically, connect the ground wire 116 of the output port 114 of the isolator 104.Therefore, if there is interference to believe
Number being inputted from the rectifier unit 106 will not be from the defeated of isolator 104 to the output port 114 of isolator 104, the interference signal
Inbound port 110 is exported so that interference signal can not outwards be radiate by coupler 102.Using the rectifier list of this structure
Member 106, simple in construction, function is easily achieved, and cost is low.
The energy-storage units 108 are used to store the DC energy of the rectifier unit 106 output and for exporting the direct current
Energy.Energy-storage units 108 can power (including detection unit, transmitter unit etc.) to other circuits.Energy-storage units 108 can use
The energy-storage units such as bulky capacitor rechargeable battery.
In summary, above-mentioned energy of electromagnetic field harvester 10, by setting isolator 104, after isolator 104
Noise caused by circuit is isolated with coupler 102 so that the noise from rectifier unit 106 can not pass through the spoke of coupler 102
It is shot out, avoids and communication antenna nearby is interfered, and then ensure that the performance of communication system.
It please join Fig. 2, second embodiment of the invention provides a kind of energy of electromagnetic field harvester 20.The electricity of present embodiment
The structure of energy of electromagnetic field harvester 10 of the structure of magnetic field energy harvester 20 and first embodiment is essentially identical, and it is different
Part is：The energy of electromagnetic field harvester 20 of present embodiment also includes the first wave filter 202 and the second wave filter 204.
Coupler 206, the first wave filter 202, isolator 208, the second wave filter 204, rectifier unit (diagram not) and
Energy-storage units (diagram is not) are sequentially connected.
Specifically, the first wave filter 202 includes the first inductance 210 and the first electric capacity 212.First inductance 210 is connected to coupling
Between the output end 214 of clutch 206 and the input port 216 of isolator 208, one end of the first electric capacity 212 be connected to this first
Between inductance 210 and the input port 216 of isolator 208, the other end ground connection of the first electric capacity 212.The ground wire of isolator 208
218 ground connection.The ground wire 215 of coupler 206 is grounded.
Second wave filter 204 includes the second inductance 220, the second electric capacity 222 and the 3rd electric capacity 224, and the second inductance 220 connects
Between the signal wire 226 of the output port of isolator 208 and the first port of the rectifier.One end of second electric capacity 222 connects
It is connected between the signal wire 226 of the output port of second inductance 220 and isolator 208, another termination of the second electric capacity 222
Ground.One end of 3rd electric capacity 224 is connected between the second inductance 220 and the first port of rectifier unit, the 3rd electric capacity 224
The other end is grounded.The 4th port ground connection of rectifier unit.
Therefore, above-mentioned energy of electromagnetic field harvester 20 can preferably suppress noise caused by electricity energy harvester to coupling
Clutch 206 is transmitted.
It please join Fig. 3, third embodiment of the invention provides a kind of energy of electromagnetic field harvester 30.The electricity of present embodiment
The structure of energy of electromagnetic field harvester 10 of the structure of magnetic field energy harvester 30 and first embodiment is essentially identical, and it is different
Part is：The energy of electromagnetic field harvester 30 of present embodiment also includes the first wave filter 302 and the second wave filter 304.
Coupler 306, the first wave filter 302, isolator 308, the second wave filter 304, rectifier unit (diagram not) and
Energy-storage units (diagram is not) are sequentially connected.
Specifically, the first wave filter 302 includes the first inductance 310, the first electric capacity 312 and the second electric capacity 314, the first inductance
310 are connected between the input port 316 of isolator 308 and the output end 318 of coupler 306.One end of first electric capacity 312 connects
It is connected between the output end 318 of coupler 306 and first inductance 310, the other end ground connection of the first electric capacity 312.Second electric capacity
314 one end is connected between the first inductance 310 and the input port 316 of isolator 308, another termination of the second electric capacity 314
Ground.The ground wire 320 of the output port of isolator 308 and the ground wire 319 of coupler 306 are grounded.
Second wave filter 304 includes the second inductance 322 and the 3rd electric capacity 324.Second inductance 322 is connected to isolator 308
The signal wire 326 of output port and the first port of rectifier unit between, one end of the 3rd electric capacity 324 be connected to this first
Between inductance 310 and the first port of rectifier unit, the other end ground connection of the 3rd electric capacity 324.4th end of rectifier unit
Mouth ground connection.
Therefore, above-mentioned energy of electromagnetic field harvester 30 can preferably suppress noise caused by electricity energy harvester to coupling
Clutch 306 is transmitted.
It please join Fig. 4, four embodiment of the invention provides a kind of energy of electromagnetic field harvester 40.The electricity of present embodiment
The structure of energy of electromagnetic field harvester 10 of the structure of magnetic field energy harvester 40 and first embodiment is essentially identical, and it is different
Part is：The energy of electromagnetic field harvester 40 of present embodiment also includes the first wave filter 402 and the second wave filter 404.
Coupler 406, isolator 408, the first wave filter 402, the second wave filter 404, rectifier unit (not shown) and
Energy-storage units (not shown) is sequentially connected.
Specifically, the ground wire 410 of the output port of isolator 408 is grounded.
First wave filter 402 includes the first inductance 412, the first electric capacity 414 and the second electric capacity 416, and the second wave filter 404 wraps
Include the second inductance 418 and the 3rd electric capacity 420.
First inductance 412 is connected between the inductance 418 of signal wire 422 and second of the output port of isolator 408, and first
One end of electric capacity 414 is connected between the inductance 412 of signal wire 422 and first of the output port of isolator 408, the first electric capacity
414 other end ground connection.One end of second electric capacity 416 is connected between the first inductance 412 and the second inductance 418, the second electric capacity
416 other end ground connection.
Second inductance 418 is connected between the first inductance 412 and the first port of the rectifier unit.3rd electric capacity 420
One end be connected between second inductance 418 and the first port of rectifier unit, the other end of the 3rd electric capacity 420 ground connection.
The 4th port ground connection of rectifier unit.The input port 424 of isolator 408 connects the output end 426 of coupler 406.Coupling
The ground wire 427 of device 406 is grounded.
Therefore, above-mentioned energy of electromagnetic field harvester 40 can preferably suppress noise caused by electricity energy harvester to coupling
Clutch 406 is transmitted.
It please join Fig. 5, fifth embodiment of the invention provides a kind of energy of electromagnetic field harvester 50.The electricity of present embodiment
The structure of energy of electromagnetic field harvester 10 of the structure of magnetic field energy harvester 50 and first embodiment is essentially identical, and it is different
Part is：The energy of electromagnetic field harvester 50 of present embodiment also includes the first wave filter 502 and the second wave filter 504.
Coupler 506, the first wave filter 502, the second wave filter 504, isolator 508, rectifier unit (not shown) and
Energy-storage units (not shown) is sequentially connected.
Specifically, the first wave filter 502 includes the first inductance 510, the first electric capacity 512 and the second electric capacity 514, the second filtering
Device 504 includes the second inductance 516 and the 3rd electric capacity 518.
First inductance 510 is connected between the inductance 516 of output end 520 and second of coupler 506, the first electric capacity 512
One end is connected between the inductance 510 of output end 520 and first of coupler 506, the other end ground connection of the first electric capacity 512.Second
One end of electric capacity 514 is connected between the first inductance 510 and the second inductance 516, the other end ground connection of the second electric capacity 514.
Second inductance 516 is connected between the first inductance 510 and the input port 522 of the isolator 508.3rd electric capacity
518 one end is connected between second inductance 516 and the input port 522 of isolator 508, the other end of the 3rd electric capacity 518
Ground connection.The 4th port ground connection of rectifier unit.The signal wire 524 of the output port of isolator 508 connects rectifier unit
First port, the ground wire 526 of the output port of isolator 508 and the ground wire 521 of coupler 506 are grounded.
Therefore, above-mentioned energy of electromagnetic field harvester 50 can preferably suppress noise caused by electricity energy harvester to coupling
Clutch is transmitted.
It please join Fig. 6, sixth embodiment of the invention provides a kind of energy of electromagnetic field harvester 60.The electricity of present embodiment
The structure of energy of electromagnetic field harvester 10 of the structure of magnetic field energy harvester 60 and first embodiment is essentially identical, and it is different
Part is：The energy of electromagnetic field harvester 60 of present embodiment also includes wave filter 602, and the isolator 604 includes first
The isolator 608 of isolator 606 and second.
Coupler 610, the first isolator 606, the second isolator 608, wave filter 602, rectifier unit (not shown) and
Energy-storage units (not shown) is sequentially connected.
Specifically, the input port 612 of the first isolator 606 connects the output end 614 of coupler 610, the first isolator
The signal wire 616 of 606 output port connects the input port 617 of the second isolator 608, the output end of the first isolator 606
The ground wire 620 of mouth ground wire 618 and the output port of the second isolator 608 is grounded.
Wave filter 602 includes inductance 622, the first electric capacity 624 and the second electric capacity 626.Inductance 622 is connected to the second isolator
Between the signal wire 628 and the first port of rectifier unit of 608 output port.One end of first electric capacity 624 is connected to
Between the signal wire 628 and inductance 622 of the output port of two isolators 608, the other end ground connection of the first electric capacity 624.Second electricity
One end of appearance 626 is connected between inductance 622 and the first port of rectifier unit, the other end ground connection of the second electric capacity 626.It is whole
Flow the 4th port ground connection of device unit.The ground wire 615 of coupler 610 is grounded.
Therefore, above-mentioned energy of electromagnetic field harvester 60 can preferably suppress noise caused by electricity energy harvester to coupling
Clutch 610 is transmitted.
It please join Fig. 7, seventh embodiment of the invention provides a kind of energy of electromagnetic field harvester 70.The electricity of present embodiment
The structure of energy of electromagnetic field harvester 10 of the structure of magnetic field energy harvester 70 and first embodiment is essentially identical, and it is different
Part is：The rectifier unit 702 of the energy of electromagnetic field harvester 70 of present embodiment is voltage multiplier.
Specifically, rectifier unit 702 includes the first electric capacity 704, the second electric capacity 706, the first diode 708 and the 2nd 2
Pole pipe 710.
The signal wire 712 of the output port of one end connection isolator of first electric capacity 704, the other end of the first electric capacity 704
Connect one end of the first diode 708 and one end of the second diode 710.The other end connection energy storage list of first diode 708
One end 714 of member.The other end of second diode 710 is connected to the ground wire 716 and energy-storage units of the output port of isolator
The other end 718 between.One end of second electric capacity 706 is connected to the other end of the first diode 708 and one end of energy-storage units
Between 714, the other end of the second electric capacity 706 be connected to the second diode 710 the other end and energy-storage units the other end 718 it
Between.
Therefore, rectifier unit 702 also has boost function used by above-mentioned energy of electromagnetic field harvester 70, is inciting somebody to action
While AC signal is changed into direct current signal, the effect of dc voltage boost is realized, so as to preferably to the energy storage connected below
Unit charges.
It please join Fig. 8, eighth embodiment of the invention provides a kind of energy of electromagnetic field harvester 80.The electricity of present embodiment
The structure of energy of electromagnetic field harvester 10 of the structure of magnetic field energy harvester 80 and first embodiment is essentially identical, and it is different
Part is：The rectifier unit 802 of the energy of electromagnetic field harvester 80 of present embodiment is voltage multiplier.
Specifically, the rectifier unit 802 includes the first electric capacity 804, the second electric capacity 806, the electricity of the 3rd electric capacity the 808, the 4th
Hold the 810, first diode 812, the second diode 814, the 3rd diode 816 and the 4th diode 818.
One end of first electric capacity 804 output port of common connection isolator after being connected with one end of the second electric capacity 806
Signal wire 820.The other end of first electric capacity 804 connects one end of the first diode 812 and one end of the second diode 814.The
The other end of two electric capacity 806 connects one end of the 3rd diode 816.The other end connection energy-storage units of 3rd diode 816
One end 822.
First diode 812 the other end connection isolator output port ground wire 824 and energy-storage units it is another
End 826.The other end of second diode 814 connects one end of the 4th diode 818 and one end of the 3rd electric capacity 808.Four or two
The other end of pole pipe 818 is connected between the other end of the second electric capacity 806 and one end of the 3rd diode 816.
The other end of 3rd electric capacity 808 is connected to the another of the ground wire 824 of the output port of isolator and energy-storage units
Between end 826.One end of 4th electric capacity 810 be connected to the 3rd diode 816 the other end and energy-storage units one end 822 it
Between, the other end of the 4th electric capacity 810 is connected between the other end of the 3rd electric capacity 808 and the other end 826 of energy-storage units.
Therefore, rectifier unit 802 also has boost function used by above-mentioned energy of electromagnetic field harvester 80, is inciting somebody to action
While AC signal is changed into direct current signal, the effect of dc voltage boost is realized, so as to preferably to the energy storage connected below
Unit charges.
It is appreciated that present invention additionally comprises the energy of electromagnetic field harvester of other embodiment, these other embodiment party
The energy of electromagnetic field harvester of formula may include the rectifier unit and the second to six any implementation such as the 7th or eight embodiments
The wave filter of mode or more than two isolators.In these other embodiments, rectifier unit, wave filter and isolator
Connected mode and principle, the content that those skilled in the art can be with reference to more than disclosed by the first to eight embodiment, herein not
Repeat again.
It please join Fig. 9, a kind of communicator 90 of ninth embodiment of the invention includes communication antenna 902 and energy of electromagnetic field
Harvester 904.Energy of electromagnetic field harvester 904 is the energy of electromagnetic field harvester 10 of first embodiment.Electromagnetic field
The coupler 905 of electricity energy harvester 904 receives the energy of electromagnetic field that communication antenna 902 radiates.
The communication antenna 902 shakes including Antenna baseplate 906, antenna casing 908, antenna feed cable 910 and aerial radiation
Son 912, the Antenna baseplate 906 is connected to be collectively forming receiving space 914 with the antenna casing 908, the antenna radiating element 912
In the receiving space 914, the antenna feed cable 910 wears the Antenna baseplate 906 and connected with the antenna radiating element 912
Connect.
In present embodiment, the energy of electromagnetic field harvester 902 is arranged on apart from the certain distance of the antenna casing 908
Position, as long as the distance can make energy of electromagnetic field harvester 902 reach the function of collecting energy.
In other embodiment communicator, the energy of electromagnetic field harvester can be fixed in the receiving space, i.e.,
In antenna casing, it is such the advantages of be energy of electromagnetic field harvester can by antenna casing protect so as not to damage；Or the electricity
Magnetic field energy harvester could be secured to the outside of the antenna casing, it is such the advantages of be to carry out upgrading for ordinary antennas to change
When making, increasing self-checking function, it may not be necessary to take original antenna apart.
Above-mentioned communicator 90, by setting isolator in energy of electromagnetic field harvester 902, after isolator
Noise is isolated with coupler caused by circuit so that can not be radiated from subsequent conditioning circuit, such as noise of rectifier by coupler
Go out, avoid and communication antenna nearby is interfered, and then ensure that the performance of communication system.
It is appreciated that in the communicator of other embodiment, energy of electromagnetic field harvester can also be to take up an official post
The energy of electromagnetic field harvester of one embodiment.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation
The description of mode ", " example ", " specific example " or " some examples " etc. means with reference to the embodiment or example description
Specific features, structure, material or feature are contained at least one embodiment or example of the present invention.In this specification
In, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.Moreover, the specific spy of description
Sign, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
While embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that：
These embodiments can be carried out with a variety of changes, modification in the case of not departing from the principle and objective of the present invention, replace and become
Type, the scope of the present invention are limited by claim and its equivalent.
Claims (7)
1. a kind of energy of electromagnetic field harvester, it is characterised in that including the coupler, isolator, rectifier list being sequentially connected
Member and energy-storage units, the coupler are used to receive electromagnetic field signal and the electromagnetic field signal is converted into circuit signal, the isolation
Device is used to transmit the circuit signal to the rectifier unit and for preventing the Radio Frequency Interfere from the rectifier unit
The coupler is transferred to, the rectifier unit is for the circuit signal to be converted to the direct current signal as DC energy, the storage
Energy unit is used to store the DC energy of rectifier unit output and for exporting the DC energy；
The input port of the isolator connects the output end of the coupler, and the output port of the isolator connects the rectifier list
Member；
The rectifier unit is bridge rectifier, and the first port of the rectifier unit connects the letter of the output port of the isolator
Number line, the second port of the rectifier unit connect one end of the energy-storage units, and the 3rd port connection of the rectifier unit should
The other end of energy-storage units, the 4th port of the rectifier unit connect the ground wire of the output port of the isolator.
2. energy of electromagnetic field harvester as claimed in claim 1, it is characterised in that the energy of electromagnetic field harvester also wraps
Include the first wave filter and the second wave filter, the coupler, first wave filter, the isolator, second wave filter, the rectifier
Unit and the energy-storage units are sequentially connected.
3. energy of electromagnetic field harvester as claimed in claim 1, it is characterised in that the energy of electromagnetic field harvester also wraps
Include the first wave filter and the second wave filter, the coupler, the isolator, first wave filter, second wave filter, the rectifier
Unit and the energy-storage units are sequentially connected.
4. energy of electromagnetic field harvester as claimed in claim 1, it is characterised in that the energy of electromagnetic field harvester also wraps
Include the first wave filter and the second wave filter, the coupler, first wave filter, second wave filter, the isolator, the rectifier
Unit and the energy-storage units are sequentially connected.
5. energy of electromagnetic field harvester as claimed in claim 1, it is characterised in that the isolator include the first isolator and
Second isolator, the energy of electromagnetic field harvester also include wave filter, the coupler, first isolator, second isolation
Device, the wave filter, the rectifier unit and the energy-storage units are sequentially connected.
6. a kind of communicator, it is characterised in that including communication antenna and energy of electromagnetic field harvester, the energy of electromagnetic field is adopted
Acquisition means include coupler, isolator, rectifier unit and the energy-storage units being sequentially connected, and the coupler is used to receive the communication
The electromagnetic field signal is simultaneously converted to circuit signal by the electromagnetic field signal of aerial radiation, and the isolator is used to pass the circuit signal
Transport to the rectifier unit and for preventing the interference signal from the rectifier unit from being transferred to the coupler, the rectifier list
Member is used to store the rectifier unit for the circuit signal to be converted to the direct current signal as DC energy, the energy-storage units
Output the DC energy and for exporting the DC energy.
7. communicator as claimed in claim 6, it is characterised in that the communication antenna includes Antenna baseplate, antenna casing, day
Line feed cable and antenna radiating element, the Antenna baseplate are connected to be collectively forming receiving space with the antenna casing, the antenna
Radiating doublet is located in the receiving space, and the antenna feed cable wears the Antenna baseplate and is connected with the antenna radiating element,
The energy of electromagnetic field harvester is fixed in the receiving space, or the energy of electromagnetic field harvester is fixed on the antenna casing
Outside, or the energy of electromagnetic field harvester is apart from the antenna casing certain distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410637470.9A CN104539028B (en) | 2014-11-12 | 2014-11-12 | Energy of electromagnetic field harvester and communicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410637470.9A CN104539028B (en) | 2014-11-12 | 2014-11-12 | Energy of electromagnetic field harvester and communicator |
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| Publication Number | Publication Date |
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| CN104539028A CN104539028A (en) | 2015-04-22 |
| CN104539028B true CN104539028B (en) | 2018-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410637470.9A Expired - Fee Related CN104539028B (en) | 2014-11-12 | 2014-11-12 | Energy of electromagnetic field harvester and communicator |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108955863B (en) * | 2017-05-20 | 2023-11-07 | 天津大学（青岛）海洋工程研究院有限公司 | Novel vibration frequency sensor system based on voltage multiplier |
| CN113834983B (en) * | 2021-08-26 | 2024-05-14 | 北京中电华大电子设计有限责任公司 | Interference test method for non-contact smart card |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4645698B2 (en) * | 2008-08-19 | 2011-03-09 | ソニー株式会社 | Wireless communication device and power receiving device |
| CN201590473U (en) * | 2009-06-23 | 2010-09-22 | 广东盛路通信科技股份有限公司 | Multi-frequency range top absorbing type omni-directional antenna |
| US20130077360A1 (en) * | 2011-09-26 | 2013-03-28 | Qualcomm Incorporated | Systems, methods, and apparatus for rectifier filtering for input waveform shaping |
| CN103227498B (en) * | 2013-04-21 | 2015-05-27 | 泉州市顺风耳电子科技有限公司 | Environmental electromagnetic wave energy acquirer and application |
| CN103595243B (en) * | 2013-11-23 | 2015-12-30 | 大连尚能科技发展有限公司 | Be applicable to the method suppressing common mode electromagnetic interference in wind-driven generator drive system |
| CN203661075U (en) * | 2013-12-18 | 2014-06-18 | 中国科学院微电子研究所 | Non-contact type human body surface micro-moving information detection device |
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| CN104539028A (en) | 2015-04-22 |
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Effective date of registration: 20181211 Address after: 210 029 Block B, 20th Floor, Xinghan Building, 180 Hanzhong Road, Gulou District, Nanjing City, Jiangsu Province Co-patentee after: Leader Technology (Hengqin) Co.,Ltd. Patentee after: JIANGSU EAST CENTURY NETWORK INFORMATION Co.,Ltd. Address before: 211106 No. 30 Shuige Road, Jiangning Economic Development Zone, Nanjing City, Jiangsu Province Patentee before: JIANGSU EAST CENTURY NETWORK INFORMATION Co.,Ltd. |
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