CN109217499A - Spatial electromagnetic energy collecting system and method based on AM/FM and TV signal - Google Patents
Spatial electromagnetic energy collecting system and method based on AM/FM and TV signal Download PDFInfo
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- CN109217499A CN109217499A CN201811170658.1A CN201811170658A CN109217499A CN 109217499 A CN109217499 A CN 109217499A CN 201811170658 A CN201811170658 A CN 201811170658A CN 109217499 A CN109217499 A CN 109217499A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 239000003990 capacitor Substances 0.000 claims description 17
- 238000003306 harvesting Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 5
- 230000002085 persistent effect Effects 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 5
- 229910001416 lithium ion Inorganic materials 0.000 claims description 3
- 239000004215 Carbon black (E152) Substances 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 229930195733 hydrocarbon Natural products 0.000 claims description 2
- 150000002430 hydrocarbons Chemical class 0.000 claims description 2
- 238000005728 strengthening Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000004064 recycling Methods 0.000 abstract description 7
- 238000011161 development Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
Abstract
The invention belongs to store the systems technology field of electric energy, disclose a kind of spatial electromagnetic energy collecting system and method based on AM/FM and TV signal, by energy source, that is, disperse spatial electromagnetic energy, energy collection module and the load composition of AM/FM and TV signal in space.The spatial electromagnetic energy of AM/FM and TV signal in energy collection module collection space, and pass through certain circuit conversion, it realizes the storage of energy, and provide corresponding interface, is connected with load, powering load.The present invention can be realized system capacity self-sufficiency, guarantee the continual work of systems stay, not influenced by energy is insufficient.It realizes recycling for energy simultaneously, economizes on resources.The electromagnetic energy of the AM/FM being widely present in space and TV signal are collected utilization, recycling for energy is realized, economizes on resources；So that equipment is not only restricted to the influence of not enough power supply, is easy to miniaturization, the integrated development of equipment.
Description
Technical field
The invention belongs to store the systems technology field of electric energy more particularly to a kind of based on AM/FM and TV signal
Spatial electromagnetic energy collecting system and method.
Background technique
Currently, the prior art commonly used in the trade is such that the development with MEMS and low power dissipation electron technology,
Occur more and more small-sized, low-power consumption handheld mobile devices in the market.Correspondingly, these equipment need compact, low energy
Consumption and light-weight energy supply mode.One kind is sustainable, is not necessarily to manual maintenance, environment amenable power supply mode.Wherein, energy
Amount collection technique was receiving the extensive concern of people in recent years.Collection of energy is a kind of to carry out environment distributed energy
It is collected and converted to that the technology of electric energy can be used.Wherein collectable distributed energy has solar energy, thermal energy, vibration and electromagnetic wave
Etc. diversified forms.With universal, the energy collection technology supplier of electricity sustainable, environmentally friendly as one kind of wireless sensor network application
Formula receives more and more extensive concern.In recent years, wireless sensor network monitors many fields in disaster management, infrastructure
It is applied.There is more and more wireless electromagnetic wave energies in the environment of life, such as: WIFI, bluetooth, RF radio frequency, GSM
Network, broadcast, TV etc..How the electromagnetic wave energy in these spaces to be collected and be efficiently used, is converted into electric energy
The product for supplying low-power consumption uses, or has very real meaning to using the product of rechargeable battery, charging the battery
Justice, not only can be energy saving, can also remove the constraint of conventional charger from and use upper trouble.The prior art one discloses
A kind of RF energy collector continues the radio wave signal in reception space by RF receiving terminal circuit, and passes through voltage-multiplying circuit
Multiplication of voltage is carried out to the signal voltage, the miniature energy collector of rear end is effectively continued for energy from RF receiving terminal circuit again
It collects, miniature energy collector is started to work when the output voltage of RF receiving terminal circuit is greater than 330mv during energy acquisition,
And continue for energy to be stored in the energy storage devices such as supercapacitor, lithium ion battery.Miniature energy collector can be received in RF
The output voltage of terminal circuit continues working when being greater than 80mv, realizes energy efficient recycling, and the raising rate of recovery is not directed to distinctive
Frequency range is specifically collected frequency range and is not fixed, non-transformer management module.Non-loaded module does not illustrate specifically how to realize energy
Output；The prior art two discloses a kind of RF-DC converter, can charge the battery from received radio wave energy
Or it powers to circuit.Far field is applied, received RF energy is very small, so converter there must be high sensitivity.
Four array of capacitors are arranged to two rows.RF signal thus pumps charges are buffered to the bottom crown of capacitor.It is a series of in every row
L- switch is connected between two array of capacitors of the row.Each L- switch has a precharge switch and a grade conversion to open
It closes, precharge switch charges to the input capacitor of this grade, and grade change-over switch shifts charge from the input capacitance of this grade
To the output capacitor of this grade.Two row switches alternately precharge and thus pumps charges, whens left bank thus pumps charges, right row was just pre-charged.It opens
Pass is to connect its source electrode by substrate or control signal by substrate that the transistor of substrate is effectively driven to realize.One row can be used
N-channel transistor, another row use p-channel transistor.Grid voltage can be elevated；It is not directed to distinctive frequency range, is mainly said
It states RF-DC and realizes circuit, it is less related to the invention patent.
In conclusion problem of the existing technology is: electromagnetic wave energy not can be recycled at present, wide for applying in space
General AM/FM and TV signal is recycled, and is supplied to load and is used.
It solves the difficulty and meaning of above-mentioned technical problem: how to recycle the electromagnetic energy in space；How will return
The energy of receipts is re-supplied to load and uses；Meaning: the recycling of energy is realized.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of based on the space of AM/FM and TV signal electricity
Magnetic energy collection system and method.
The invention is realized in this way a kind of spatial electromagnetic energy collecting system based on AM/FM and TV signal, institute
Stating the spatial electromagnetic energy collecting system based on AM/FM and TV signal includes:
Energy source, for emitting the spatial electromagnetic energy of AM/FM and TV signal；
Energy collection module, for collecting the spatial electromagnetic energy for dispersing skyborne AM/FM and TV signal；
Load blocks, for consuming the electric energy after energy collection module collects conversion.Load can be used but unlimited at this stage
In low-power consumption sensor, passive RFID etc. less than 70 μ W.
The energy collection module further comprises: antenna, matching network circuit, rectification multiple pressuring circuit, power management mould
Block.
Antenna: antenna substrate can be mentioned using professional glass strengthening hydrocarbon/ceramics, such as rogers 4350B
It is controlled for stringent dielectric constant and low-loss, relative dielectric constant 3.48, can be made into the antenna that size is less than 40mm.It is comprehensive
It closes and considers, this material has advantage at low cost, loss is small, size is small.
Matching network unit: as shown in Figure 5 including capacitor C1 and inductance L1, connection type.
Rectification and voltage multiplier module: including 8 diodes, 6 capacitors, connection type is as shown in Figure 6.The exchange of input is become
Direct current is turned to, and the wireless signal after conversion is increased to certain preset value.
Power Management Unit: the BQ25570 power management chip of preferable TI.It is with boost charge device and millimicro power consumption
The super low-power consumption collector power management integrated circuit of buck converter.Can store the energy in rechargable lithium ion cell,
In hull cell, super-capacitor or traditional capacitor, or directly feeds load and use.
Further, the matching network circuit inductance L1 is in parallel with capacitor C1.
Another object of the present invention is to provide a kind of spatial electromagnetics for described based on AM/FM and TV signal
The spatial electromagnetic Energy harvesting methods based on AM/FM and TV signal of energy collecting system, it is described to be based on AM/FM and electricity
Spatial electromagnetic Energy harvesting methods depending on signal include:
Step 1, the antenna persistent collection in energy collection module disperse the sky of skyborne AM/FM and TV signal
Between electromagnetic energy, and by matching network module realize impedance matching after；
Step 2, using rectification and voltage multiplier module, the radiofrequency signal that antenna is received becomes direct current signal, and will be after conversion
Wireless signal be increased to certain preset value, and the wireless signal for meeting preset value is sent to load, is used for load；For
Load provides power supply.
Antenna persistent collection in energy collection module disperses the spatial electromagnetic energy of skyborne AM/FM and TV signal
Amount, and after realizing impedance matching by matching network module, using rectification and voltage multiplier module, the radiofrequency signal that antenna is received becomes
For direct current signal, and the wireless signal after conversion is increased to certain preset value, and the wireless signal hair of preset value will be met
It send to load, is used for load.Power supply is provided for load.It can satisfy low-power consumption sensor or nothing of the power consumption less than 70 μ W at present
Source RFID etc..
Another object of the present invention is to provide the spatial electromagnetic energy described in a kind of application based on AM/FM and TV signal
Measure the wireless sensor network control system of collection system.
In conclusion advantages of the present invention and good effect are as follows: the present invention can be realized system capacity self-sufficiency, guarantee system
Uninterrupted work is not influenced by energy is insufficient；It realizes recycling for energy simultaneously, economizes on resources.The present invention is real
The recycling of existing spatial electromagnetic energy；It is recycled for AM/FM widely used in space and TV signal；Realize energy
Amount recycles；Energy is provided for low-power consumption load.By the AM/FM being widely present in space and the electromagnetic energy of TV signal
Amount is collected utilization, realizes recycling for energy, economizes on resources.So that equipment is not only restricted to the influence of not enough power supply, is easy to
The miniaturization of equipment, integrated development.
Detailed description of the invention
Fig. 1 is the spatial electromagnetic energy collecting system knot provided in an embodiment of the present invention based on AM/FM and TV signal
Structure schematic diagram；
In figure: 1, energy source；2, energy collection module；3, load blocks.
Fig. 2 is the spatial electromagnetic Energy harvesting methods stream provided in an embodiment of the present invention based on AM/FM and TV signal
Cheng Tu.
Fig. 3 is that the spatial electromagnetic energy collecting system provided in an embodiment of the present invention based on AM/FM and TV signal is former
Manage schematic diagram.
Fig. 4 is energy collection module structural block diagram provided in an embodiment of the present invention.
Fig. 5 is matching network circuit figure provided in an embodiment of the present invention.
Fig. 6 is rectification and voltage multiplier module circuit diagram provided in an embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Application principle of the invention is explained in detail with reference to the accompanying drawing.
As shown in Figure 1, the spatial electromagnetic collection of energy system provided in an embodiment of the present invention based on AM/FM and TV signal
System includes: energy source 1, energy collection module 2, load blocks 3.
Energy source 1, for emitting the spatial electromagnetic energy of AM/FM and TV signal；
Energy collection module 2, for collecting the spatial electromagnetic energy for dispersing skyborne AM/FM and TV signal；
Load blocks 3, for consuming the electric energy after energy collection module collects conversion.Load can be used but unlimited at this stage
In low-power consumption sensor, passive RFID etc. less than 70 μ W.
As shown in Fig. 2, the spatial electromagnetic collection of energy side provided in an embodiment of the present invention based on AM/FM and TV signal
Method the following steps are included:
S201: the antenna persistent collection in energy collection module disperses the space of skyborne AM/FM and TV signal
Electromagnetic energy, and by matching network module realize impedance matching after；
S202: utilizing rectification and voltage multiplier module, and the radiofrequency signal that antenna is received becomes direct current signal, and will be after conversion
Wireless signal is increased to certain preset value, and the wireless signal for meeting preset value is sent to load, uses for load；It is negative
It carries and power supply is provided.
It can satisfy power consumption less than the low-power consumption sensor of 70 μ W or passive RFID etc. at present.
As shown in figure 4, energy collection module 2 further comprises: antenna, matching network circuit, rectification multiple pressuring circuit, power supply
Management module.
As shown in figure 5, matching network circuit inductance L1 is in parallel with capacitor C1；
As shown in fig. 6, rectification and voltage multiplier modular circuit is made of eight diodes, six capacitors.
Using circuit structure of the invention, it can be achieved that the output of low-power consumption electricity, lightening LED lamp, with experimental verification scheme
Feasibility.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (6)
1. a kind of spatial electromagnetic energy collecting system based on AM/FM and TV signal, which is characterized in that described to be based on AM/
FM and the spatial electromagnetic energy collecting system of TV signal include:
Energy source, for emitting the spatial electromagnetic energy of AM/FM and TV signal；
Energy collection module, for collecting the spatial electromagnetic energy for dispersing skyborne AM/FM and TV signal；
Load blocks, for consuming the electric energy after energy collection module collects conversion.
2. the spatial electromagnetic energy collecting system based on AM/FM and TV signal, feature exist as described in claim 1
In the energy collection module further comprises: antenna, matching network circuit, rectification multiple pressuring circuit, power management module；
Antenna: antenna substrate is controlled using glass strengthening hydrocarbon/ceramics of profession for dielectric constant and low-loss；
Matching network unit: including capacitor C1 and inductance L1；
Rectification and voltage multiplier module: including 8 diodes, 6 capacitors, for change the exchange of input for direct current, and after converting
Wireless signal be increased to certain preset value；
Power Management Unit: the super low-power consumption collector power management collection with boost charge device and millimicro power consumption buck converter
At circuit, for storing the energy in rechargable lithium ion cell, hull cell, super-capacitor or traditional capacitor or
Load is directly fed to use.
3. the spatial electromagnetic energy collecting system based on AM/FM and TV signal, feature exist as claimed in claim 2
In the matching network circuit inductance L1 is in parallel with capacitor C1.
4. a kind of base for the spatial electromagnetic energy collecting system described in claim 1 based on AM/FM and TV signal
In AM/FM and the spatial electromagnetic Energy harvesting methods of TV signal, which is characterized in that described to be believed based on AM/FM and TV
Number spatial electromagnetic Energy harvesting methods include:
Step 1, the antenna persistent collection in energy collection module disperse the space electricity of skyborne AM/FM and TV signal
Magnetic energy, and by matching network module realize impedance matching after；
Step 2, using rectification and voltage multiplier module, the radiofrequency signal that antenna is received becomes direct current signal, and by the nothing after conversion
Line signal is increased to certain preset value, and the wireless signal for meeting preset value is sent to load, uses for load；For load
Power supply is provided.
5. the spatial electromagnetic Energy harvesting methods based on AM/FM and TV signal, feature exist as claimed in claim 4
In the energy collection module antenna persistent collection of the spatial electromagnetic Energy harvesting methods based on AM/FM and TV signal
Disperse the spatial electromagnetic energy of skyborne AM/FM and TV signal, and after realizing impedance matching by matching network module,
Utilize rectification and voltage multiplier module；The radiofrequency signal that antenna is received becomes direct current signal；Wireless signal after conversion is increased to
Preset value；The wireless signal for meeting preset value is sent to load, is used for load；Power supply is provided for load.
6. a kind of spatial electromagnetic collection of energy using described in claims 1 to 3 any one based on AM/FM and TV signal
The wireless sensor network control system of system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811170658.1A CN109217499A (en) | 2018-10-09 | 2018-10-09 | Spatial electromagnetic energy collecting system and method based on AM/FM and TV signal |
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| CN201811170658.1A CN109217499A (en) | 2018-10-09 | 2018-10-09 | Spatial electromagnetic energy collecting system and method based on AM/FM and TV signal |
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| CN114258174A (en) * | 2021-11-09 | 2022-03-29 | 青岛超越智能信息技术中心 | Wireless charging LED lamp based on environment radio frequency signal |
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| CN114258174A (en) * | 2021-11-09 | 2022-03-29 | 青岛超越智能信息技术中心 | Wireless charging LED lamp based on environment radio frequency signal |
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Effective date of registration: 20231204 Address after: Floor 1, building 1, No.6 Kexin Road, high tech Zone (West District), Chengdu, Sichuan 610000 Applicant after: CHENGDU IRIDIUM COMMUNICATIONS CO.,LTD. Address before: Room 402, 4th Floor, Unit 3, Building 7, No. 399 Fucheng Avenue, High tech Zone, Chengdu, Sichuan, 610025 Applicant before: Chengdu Yueyang Technology Co.,Ltd. |