CN204349598U - Electromagnetic wave energy reclaims and conversion equipment and system - Google Patents
Electromagnetic wave energy reclaims and conversion equipment and system Download PDFInfo
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- CN204349598U CN204349598U CN201420858559.3U CN201420858559U CN204349598U CN 204349598 U CN204349598 U CN 204349598U CN 201420858559 U CN201420858559 U CN 201420858559U CN 204349598 U CN204349598 U CN 204349598U
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Abstract
A kind of electromagnetic wave energy reclaims and conversion equipment and system, comprise electromagnetic wave collector unit, rectification unit, input memory cell, energy conversion unit and output memory cell, described electromagnetic wave collector unit comprises at least plural antenna element, antenna element described in each is respectively used to collect the electromagnetic wave signal from different frequency range, and described energy conversion unit comprises a special power conversion chip.Collect radio magnetic wave owing to have employed multi-path antenna receiving loop, while raising electromagnetic wave energy capacity gauge, improve efficiency of energy collection; Meanwhile, owing to have employed special collection of energy conversion chip, thus achieve high conversion efficiency and ultralow nA level power consumption; Voltage after conversion can be stored on super capacitor, also and can be stored on rechargeable battery, and storage mode is flexible.
Description
Technical field
The utility model relates to energy regenerating field, particularly relates to one and has multi-path antenna electromagnetic wave energy and reclaim and conversion equipment and system.
Background technology
Along with the development of intelligent artifact and the application of a large amount of wireless communication technology, increasing wireless electromagnetic wave energy is there is in the environment of our life, such as: WIFI, bluetooth, RF radio frequency, GSM network, broadcast, TV etc., how to carry out the electromagnetic wave energy in these spaces to collect the product use also effectively utilizing, be converted into electric energy supply low-power consumption, or to using the product of rechargeable battery, charging to battery has very real meaning, not only can energy savings, the constraint that conventional charger can also be removed from and the trouble used.Although also there is the scheme proposing electromagnetic wave energy and reclaim and change in prior art, but what have only adopts a road antenna receive circuit to collect the radio magnetic wave of special frequency channel, the problem brought like this is that energy harvesting capabilities is low, and some use wide frequency antennas collect the radio magnetic wave existed in environment, its Problems existing is that efficiency of energy collection is low.In addition, the booster circuit that prior art only adopts discrete circuit elements to build is changed energy, and this circuit energy conversion efficiency is low, and power consumption is larger.Further, the means of energy storage of the voltage after conversion is single, is only stored on rechargeable battery.
Utility model content
For this reason, technical problem to be solved in the utility model is: how (1) improves efficiency of energy collection while raising electromagnetic wave energy capacity gauge; (2) energy conversion efficiency is low; (3) means of energy storage of the voltage after conversion is single.
For solving the problems of the technologies described above, the utility model proposes a kind of electromagnetic wave energy and reclaiming and conversion equipment, comprising:
One electromagnetic wave collector unit, electromagnetic wave is also converted to AC signal by the electromagnetic wave that collection is distributed in space;
One rectification unit, converts the AC signal that electromagnetic wave collector unit is collected to direct voltage;
One input memory cell, stores the direct voltage after rectification;
One energy conversion unit, by the voltage that the power conversion of input cell stores becomes can use;
One exports memory cell, is stored by the voltage that can use after conversion.
Described electromagnetic wave collector unit comprises at least two antenna elements, and antenna element described in each is respectively used to collect the electromagnetic wave signal from different frequency range.
Preferably, described energy conversion unit comprises a special power conversion chip.
Preferably, described rectification unit is voltage doubling rectifing circuit or bridge rectifier.
Preferably, described output memory cell comprises rechargeable battery BT1 or super capacitor C11.
Preferably, described at least two antenna elements are the first antenna element and the second antenna element.
Preferably, described first antenna element comprises the first antenna ANT1, the first electric capacity C1, the second electric capacity C2 and the first inductance L 1, described first inductance L 1 is in parallel with described second electric capacity C2, described first antenna ANT1 elder generation and described first electric capacity C1 connect, then by described first inductance L 1 and the second electric capacity C2 ground connection in parallel.
Preferably, described second antenna element comprises the second antenna ANT2, the second inductance L 2, the 3rd inductance L 3 and the 5th electric capacity C5, described second inductance L 2 and the 3rd inductance L 3 are coupled, and described 5th electric capacity C5 and the parallel connection of the 3rd inductance L 3, described second antenna ANT2 is by the second inductance L 2 ground connection.
The utility model also proposes a kind of electromagnetic wave energy and reclaims and converting system, it electromagnetic wave energy comprised described in technique scheme reclaims and conversion equipment, this system also comprises a human interface device, described electromagnetic wave energy reclaims and is connected with described human interface device with the output memory cell in conversion equipment, and the electric energy stored in described output memory cell is for powering to described human interface device.
Technique scheme of the present utility model collects radio magnetic wave owing to have employed multi-path antenna receiving loop, while raising electromagnetic wave energy capacity gauge, improve efficiency of energy collection; Meanwhile, owing to have employed special collection of energy conversion chip, thus achieve high conversion efficiency and ultralow nA level power consumption; Voltage after conversion can be stored on super capacitor, also and can be stored on rechargeable battery, and storage mode is flexible.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is the structured flowchart of electromagnetic wave energy of the present utility model recovery and conversion equipment;
Fig. 2 is the structured flowchart of electromagnetic wave energy collector unit of the present utility model;
Fig. 3 is the structured flowchart of rectification unit of the present utility model;
Fig. 4 is the circuit theory diagrams of electromagnetic wave energy collector unit, rectification unit and input memory cell in an embodiment of the present utility model;
Fig. 5 is that electromagnetic wave energy in another embodiment of the present utility model reclaims and the circuit theory diagrams of conversion equipment;
Fig. 6 is that electromagnetic wave energy in another embodiment of the present utility model reclaims and the circuit theory diagrams of conversion equipment;
Fig. 7 is the structured flowchart of electromagnetic wave energy of the present utility model recovery and converting system
In figure, Reference numeral is expressed as: 1-electromagnetic wave energy collector unit; 2-rectification unit; 3-inputs memory cell; 4-energy conversion unit; 5-exports memory cell; 11-first antenna element; 12-second antenna element; 21-first rectification circuit; 22-second rectification circuit
Embodiment
Referring to accompanying drawing, execution mode of the present utility model is described.It should be noted that and understand the present invention to help, the engineer's scale of each inscape of illustrated execution mode is changed from actual engineer's scale sometimes.
As shown in Figure 1, electromagnetic wave energy recovery of the present utility model and conversion equipment comprise electromagnetic wave energy collector unit 1, rectification unit 2, input memory cell 3, energy conversion unit 4 and export memory cell 5.Wherein, electromagnetic wave energy collector unit 1 comprises at least two antenna elements, each antenna element is respectively used to collect the electromagnetic wave signal from different frequency range, rectification unit 2 comprises at least plural rectification circuit, the corresponding antenna element of each rectification circuit, and be connected with this antenna element, described rectification unit 2 converts the AC signal collected to direct voltage, direct voltage after rectification stores by input memory cell 3, and the voltage that the power conversion that input stores becomes can use by energy conversion unit 4 stores in output memory cell 5.Collect radio magnetic wave owing to have employed multi-path antenna receiving loop, while raising electromagnetic wave energy capacity gauge, improve efficiency of energy collection.
Preferably, energy conversion unit 4 comprises a special power conversion chip, thus achieves high conversion efficiency and ultralow nA level power consumption.
Preferably, as shown in Figure 2, the first antenna element 11 and the second antenna element 12 can be set in electromagnetic wave energy collector unit 1.Correspondingly, as shown in Figure 3, the first rectification circuit 21 and the second rectification circuit 22 can be set in rectification unit 2.Described first rectification circuit 21 is connected with described first antenna element 11, and described second rectification circuit 22 is connected with described second antenna element 12.
As a specific embodiment, as shown in Figure 4, described first antenna element 11 comprises antenna ANT1, electric capacity C1, electric capacity C2 and inductance L 1, and inductance L 1 is in parallel with electric capacity C2, antenna ANT1 elder generation and electric capacity C1 connect, then by inductance L 1 in parallel and electric capacity C2 ground connection.Described second antenna element 12 comprises antenna ANT2, inductance L 2, inductance L 3 and electric capacity C5, and inductance L 2 and inductance L 3 are coupled, and electric capacity C5 and inductance L 3 parallel connection, antenna ANT2 is by inductance L 2 ground connection.
Described first rectification circuit 21 can be set to voltage doubling rectifing circuit, specifically comprise electric capacity C3, diode D1, diode D2 and electric capacity C4, wherein, one end of electric capacity C3 is connected with the output of the first antenna element 11 and one end of inductance L 1, the other end of electric capacity C3 is connected with the positive pole of diode D2, the negative pole of diode D1 respectively, the plus earth of diode D1, the negative pole of diode D2 connects one end of electric capacity C4, the other end ground connection of electric capacity C4.Described second rectification circuit 22 can be set to bridge rectifier, comprises diode bridge heap D3.Certainly, the design of antenna element and the mode of rectification are not limited thereto, and only exemplify above.
Described input memory cell 3 comprises electric capacity C6, for being stored by the direct current after two-way rectification.
Special power conversion chip included in energy conversion unit 4 is preferably BQ25504 chip or LTC3105 chip.Described output memory cell can be rechargeable battery or super capacitor.Can be stored on rechargeable battery because the voltage after conversion can be stored on super capacitor, also, compared to existing technology, storage mode is more flexible.
Please refer to Fig. 5, as a specific embodiment, Fig. 5 shows the circuit theory diagrams of electromagnetic wave energy recovery and the conversion equipment adopting special power conversion chip BQ25504 to form, and the electromagnetic wave converting electrical energy in this circuit is stored on rechargeable battery.Wherein, antenna ANT1, electric capacity C1, electric capacity C2, electric capacity L1 constitute first via antenna receiving element, antenna ANT2, inductance L 2, inductance L 3, electric capacity C5 constitute No. second antenna receiving element, two-way antenna receiving element is used for receiving the electromagnetic wave signal of different frequency range respectively, such as: the wireless signal that a road antenna receives the wireless signal of low-frequency range, another road antenna receives high band.Then store through over commutation, diode D1, diode D2, electric capacity C3, electric capacity C4 form voltage doubling rectifing circuit and diode bridge heap D3 forms bridge rectifier, be used for converting alternating voltage to direct voltage, direct current after two-way rectification stores by electric capacity C6, inductance L 4 is DC/DC conversion step-up inductance, U1 is collection of energy conversion chip BQ25504, BT1 is rechargeable battery.R1 and R2 forms bleeder circuit and is used for the input voltage VIN of detection chip U1, and when input voltage VIN is more than or equal to a predetermined threshold, chip U1 can start power conversion and charge to rechargeable battery BT1.Preferably, described predetermined threshold can be set to 330mV.Resistance R3 and R4 is used for setting under-voltage locking value, and resistance R5 and R6 is used for setting over-voltage locking value, and the bleeder circuit that resistance R7, R8, R9 are formed is used for detecting the voltage threshold of battery, and electric capacity C7, electric capacity C8 are peripheral filter capacitor.
Please refer to Fig. 6, Fig. 6 shows the circuit theory diagrams of electromagnetic wave energy recovery and the conversion equipment adopting special power conversion chip LTC3105 to form, and the electromagnetic wave converting electrical energy in this circuit is stored on super capacitor.Antenna ANT1, electric capacity C1, electric capacity C2, inductance L 1 constitute first via antenna receiving element, antenna ANT2, inductance L 2, inductance L 3, electric capacity C5 constitute No. second antenna receiving element, two-way antenna receiving element is used for receiving the electromagnetic wave signal of different frequency range respectively, such as: the wireless signal that a road antenna receives the wireless signal of low-frequency range, another road antenna receives high band.Then store through over commutation, diode D1, diode D2, electric capacity C3, electric capacity C4 form voltage doubling rectifing circuit, be used for improving the voltage of the input being input to collection of energy conversion chip U1, diode bridge heap D3 forms bridge rectifier, be used for improving the electric current of the input being input to collection of energy conversion chip U1, direct current after two-way rectification stores by electric capacity C6, inductance L 4 is DC/DC conversion step-up inductance, and U1 is collection of energy conversion chip LTC3105, C11 is super capacitor.
Resistance R3 is the detection resistance of maximal input, and electric capacity C7 is the filter capacitor of chip boost voltage, and electric capacity C8 is the filter capacitor of output feedack voltage, and electric capacity C9 is the filter capacitor that LDO voltage stabilizing exports, and electric capacity C10 is the high-frequency filter capacitor of output voltage.When the voltage VIN inputting memory cell and electric capacity C6 is more than or equal to a predetermined threshold, chip U1 can start power conversion and by the power storage after conversion on super capacitor C11.Preferably, described predetermined threshold can be set to 250mV.R1 and R2 forms bleeder circuit, can be used for setting chip U1 output voltage values Vout, to meet different voltage requirements.
Please refer to Fig. 7, Fig. 7 shows the structured flowchart of the recovery of a kind of electromagnetic wave energy and converting system, wherein except comprising the electromagnetic wave energy collector unit 1 shown in Fig. 1, rectification unit 2, input memory cell 3, energy conversion unit 4 and exporting except memory cell 5, also comprise a human interface device 6 (HID, Human Interface Device), the HID equipment 6 that the electric energy stored in output memory cell 5 can be supplied to low-power consumption uses.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions, every above embodiment is done according to the utility model any simple modification, change and equivalent structure change, all still belong in protection range of the present utility model.
Claims (8)
1. electromagnetic wave energy reclaims and a conversion equipment, it is characterized in that, comprising:
One electromagnetic wave collector unit, electromagnetic wave is also converted to AC signal by the electromagnetic wave that collection is distributed in space;
One rectification unit, converts the AC signal that electromagnetic wave collector unit is collected to direct voltage;
One input memory cell, stores the direct voltage after rectification;
One energy conversion unit, by the voltage that the power conversion of input cell stores becomes can use;
One exports memory cell, is stored by the voltage that can use after conversion,
Described electromagnetic wave collector unit comprises at least two antenna elements, and antenna element described in each is respectively used to collect the electromagnetic wave signal from different frequency range.
2. electromagnetic wave energy according to claim 1 reclaims and conversion equipment, and it is characterized in that, described energy conversion unit comprises a special power conversion chip.
3. electromagnetic wave energy according to claim 1 reclaims and conversion equipment, and it is characterized in that, described rectification unit is voltage doubling rectifing circuit or bridge rectifier.
4. electromagnetic wave energy according to claim 1 reclaims and conversion equipment, and it is characterized in that, described output memory cell comprises rechargeable battery BT1 or super capacitor C11.
5. electromagnetic wave energy according to claim 1 reclaims and conversion equipment, and it is characterized in that, described at least two antenna elements are the first antenna element and the second antenna element.
6. electromagnetic wave energy according to claim 5 reclaims and conversion equipment, it is characterized in that, described first antenna element comprises the first antenna ANT1, the first electric capacity C1, the second electric capacity C2 and the first inductance L 1, described first inductance L 1 is in parallel with described second electric capacity C2, described first antenna ANT1 elder generation and described first electric capacity C1 connect, then by described first inductance L 1 and the second electric capacity C2 ground connection in parallel.
7. the electromagnetic wave energy according to claim 5 or 6 reclaims and conversion equipment, it is characterized in that, described second antenna element comprises the second antenna ANT2, the second inductance L 2, the 3rd inductance L 3 and the 5th electric capacity C5, described second inductance L 2 and the 3rd inductance L 3 are coupled, described 5th electric capacity C5 and the parallel connection of the 3rd inductance L 3, described second antenna ANT2 is by the second inductance L 2 ground connection.
8. an electromagnetic wave energy reclaims and converting system, it electromagnetic wave energy comprised as described in any one of claim 1-7 reclaims and conversion equipment, it is characterized in that: this system also comprises a human interface device, described electromagnetic wave energy reclaims and is connected with described human interface device with the output memory cell in conversion equipment, and the electric energy stored in described output memory cell is for powering to described human interface device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420858559.3U CN204349598U (en) | 2014-12-30 | 2014-12-30 | Electromagnetic wave energy reclaims and conversion equipment and system |
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| CN201420858559.3U CN204349598U (en) | 2014-12-30 | 2014-12-30 | Electromagnetic wave energy reclaims and conversion equipment and system |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104901375A (en) * | 2015-06-09 | 2015-09-09 | 华东师范大学 | Wireless-electromagnetic-wave-signal-utilization-based charging method and apparatus of mobile intelligent device |
| CN105896749A (en) * | 2016-05-19 | 2016-08-24 | 河南师范大学 | Microwave electric energy conversion apparatus |
| CN105990908A (en) * | 2016-03-09 | 2016-10-05 | 纳智源科技（唐山）有限责任公司 | Energy storage device based on friction power generator |
| WO2016177074A1 (en) * | 2015-07-21 | 2016-11-10 | 中兴通讯股份有限公司 | Energy conversion device and method |
| CN106602687A (en) * | 2015-10-19 | 2017-04-26 | 北京纳米能源与系统研究所 | Energy management method, circuit and device for friction nano-generators |
| CN106707014A (en) * | 2017-03-08 | 2017-05-24 | 北京瑞普三元仪表有限公司 | 4-20mA two-wire passive current loop measurement instrument |
| CN107733063A (en) * | 2017-11-01 | 2018-02-23 | 吉林建筑大学 | A kind of miniature buck voltage-stabilizing power supply system |
| WO2018126614A1 (en) * | 2017-01-04 | 2018-07-12 | 中兴通讯股份有限公司 | Charging method and apparatus |
| CN109274166A (en) * | 2018-11-16 | 2019-01-25 | Oppo（重庆）智能科技有限公司 | Electronic equipment |
| CN109804529A (en) * | 2016-08-23 | 2019-05-24 | 三星电子株式会社 | For wirelessling receive the electronic device and its control method of electric power |
| CN109927899A (en) * | 2018-03-30 | 2019-06-25 | 成都月洋科技有限公司 | One kind having the self-powered aircraft of collection of energy |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104901375A (en) * | 2015-06-09 | 2015-09-09 | 华东师范大学 | Wireless-electromagnetic-wave-signal-utilization-based charging method and apparatus of mobile intelligent device |
| WO2016177074A1 (en) * | 2015-07-21 | 2016-11-10 | 中兴通讯股份有限公司 | Energy conversion device and method |
| KR20180069042A (en) * | 2015-10-19 | 2018-06-22 | 베이징 인스티튜트 오브 나노에너지 앤드 나노시스템즈 | Energy management method, circuit and apparatus of friction type nano generator |
| CN106602687A (en) * | 2015-10-19 | 2017-04-26 | 北京纳米能源与系统研究所 | Energy management method, circuit and device for friction nano-generators |
| WO2017067446A1 (en) * | 2015-10-19 | 2017-04-27 | 北京纳米能源与系统研究所 | Energy management method and circuit for friction nano power generator, and device |
| US10778120B2 (en) | 2015-10-19 | 2020-09-15 | Beijing Institute Of Nanoenergy And Nanosystems | Method, circuit and apparatus for energy management in triboelectric nanogenerator |
| KR102113936B1 (en) * | 2015-10-19 | 2020-05-21 | 베이징 인스티튜트 오브 나노에너지 앤드 나노시스템즈 | Methods, circuits and devices for energy management of tribological nanogenerators |
| CN105990908A (en) * | 2016-03-09 | 2016-10-05 | 纳智源科技（唐山）有限责任公司 | Energy storage device based on friction power generator |
| CN105990908B (en) * | 2016-03-09 | 2018-07-31 | 纳智源科技（唐山）有限责任公司 | Energy storage device based on friction generator |
| CN105896749A (en) * | 2016-05-19 | 2016-08-24 | 河南师范大学 | Microwave electric energy conversion apparatus |
| CN109804529A (en) * | 2016-08-23 | 2019-05-24 | 三星电子株式会社 | For wirelessling receive the electronic device and its control method of electric power |
| CN109804529B (en) * | 2016-08-23 | 2023-12-19 | 三星电子株式会社 | Electronic device for wirelessly receiving power and control method thereof |
| WO2018126614A1 (en) * | 2017-01-04 | 2018-07-12 | 中兴通讯股份有限公司 | Charging method and apparatus |
| US11329516B2 (en) | 2017-01-04 | 2022-05-10 | Zte Corporation | Charging method and apparatus |
| CN106707014A (en) * | 2017-03-08 | 2017-05-24 | 北京瑞普三元仪表有限公司 | 4-20mA two-wire passive current loop measurement instrument |
| CN107733063A (en) * | 2017-11-01 | 2018-02-23 | 吉林建筑大学 | A kind of miniature buck voltage-stabilizing power supply system |
| CN109927899A (en) * | 2018-03-30 | 2019-06-25 | 成都月洋科技有限公司 | One kind having the self-powered aircraft of collection of energy |
| CN109274166A (en) * | 2018-11-16 | 2019-01-25 | Oppo（重庆）智能科技有限公司 | Electronic equipment |
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