CN108683273A - A kind of electromagnetic wave conversion power supply module - Google Patents
A kind of electromagnetic wave conversion power supply module Download PDFInfo
- Publication number
- CN108683273A CN108683273A CN201810561558.5A CN201810561558A CN108683273A CN 108683273 A CN108683273 A CN 108683273A CN 201810561558 A CN201810561558 A CN 201810561558A CN 108683273 A CN108683273 A CN 108683273A
- Authority
- CN
- China
- Prior art keywords
- electromagnetic wave
- section
- voltage
- power supply
- conductive member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Power supply module is converted the invention discloses a kind of electromagnetic wave suitable for the long-term low-frequency degree monitoring of geotechnical engineering, including electromagnetic wave collection module, secondary storage capacitor, power supply section control module, electromagnetic wave collection module includes electromagnetic wave reception antenna, energy conversion elements, primary energy capacitance, boost parts.Secondary energy conversion storage is carried out to the electromagnetic wave in surrounding enviroment.The present invention utilizes the electromagnetic wave in ambient enviroment, realizes electromagnetic wave energy conversion storage, realizes the confession power mode without power supply, Maintenance free of the present invention is applicable to long-term low-frequency degree monitoring device.
Description
Technical field
The present invention relates to geotechnical engineering monitoring technical fields, and in particular to a kind of electromagnetic wave conversion power supply module is suitable for
Without outer power supply, low frequency time monitoring occasion in geotechnical engineering.
Background technology
Wireless sensor network technology largely solves field wiring inconvenience etc. as a kind of emerging monitoring technology
Problem, but wireless sensor network node generally uses battery powered, for long term monitoring project, generally requires timing and replaces electricity
Pond, usually due to environment reasons such as test point positions in engineering, the replacement of battery is extremely difficult, and replaces battery and also bring along
The problems such as water resistance of test equipment declines.
Many geotechnical engineering monitoring projects have the characteristics that monitoring cycle is long, Monitoring frequency is low, and the period can be up to the several years,
The frequency can as low as one day for several times even a couple of days it is primary, in order to realize the permanently effective work of entire sensing network, need for
Radio sensing network node provides power supply supply appropriate, and mode appropriate may be used by the energy of the other forms in environment
Electric energy is converted to, most commonly seen is to convert the solar into electric energy.But residing for some geotechnical engineering long term monitoring projects
Bad environments, solar panel are easy to impaired, not easy care still not easy to use.
Invention content
The purpose of the present invention is in view of the above-mentioned problems existing in the prior art, providing a kind of electromagnetic wave conversion power supply module,
Electromagnetic wave energy in surrounding enviroment can be collected, conversion, storage, be gathered, and then realized efficiently self-powered.The module uses
Two-stage energy storage mode realizes that energy efficient is collected and stored, while the module uses section power supply control mechanism, to storing electric energy
While optimal utilization, when energy storage is not enough to complete one-time detection task for rear class monitoring device, automatically cuts off and rear class is filled
The power supply set avoids possible energy loss, energy storage reach complete one-time detection task for rear class monitoring device when, and it is rear
The automatic connection power supply of grade.The low frequency time monitoring scene suitable for geotechnical engineering, avoids sensor network battery powered to follow-up dimension
It is inconvenient caused by shield, improve the life cycle and convenience of wireless sensor network node.
A kind of electromagnetic wave conversion power supply module, including electromagnetic wave collection module E, secondary storage capacitor CS and the control of power supply section
Molding block VT,
Electromagnetic wave collection module E includes sequentially connected electromagnetic wave reception antenna RA, energy conversion elements EC, primary energy
Capacitance CP and boost parts VB, boost parts VB are connect with the input terminal of secondary storage capacitor CS,
The electromagnetic wave energy received is input to energy conversion elements EC, energy conversion elements by electromagnetic wave reception antenna RA
EC is converted to faint DC voltage, charges to primary energy capacitance EC, and the voltage value of primary energy capacitance EC reaches boosting section
After the threshold value of part VB, the voltage increase of primary energy capacitance EC is that higher output voltage is secondary to rear class by boost parts VB
Storage capacitor CS chargings.
Boost parts VB can operating voltage should be as low as possible, it is ensured that weaker in electromagnetic intensity, energy conversion elements EC is defeated
The faint DC voltage gone out can boosted component VB promoted, so as to shorten the charging time to secondary storage capacitor CS.
Secondary storage capacitor CS is large value capacitor, the electric energy for storing the E outputs of electromagnetic wave collection module.
Two-step way energy storage can avoid the faint DC voltage of energy conversion elements EC outputs because of not up to boost parts VB
Convertible voltage range and be lost, realize high efficiency energy collect and storage.
Power supply section control module VT includes that lower limit conductive member U1, upper limit conductive member U2, field-effect tube Q, section are opened
Control unit U3, pull-up resistor R, the first diode D1 and the second diode D2 are closed,
The input terminal of lower limit conductive member U1 is the input terminal of power supply section control module VT, and lower limit conductive member U1's is defeated
Enter end to connect with the output end of secondary storage capacitor CS,
The output end of lower limit conductive member U1 respectively with the one end pull-up resistor R, the poles S of field-effect tube Q, upper limit conductive member
The input terminal of U2 connects,
The pull-up resistor R other ends are connect with the output end of the poles G of field-effect tube Q and section switch control section U3 respectively,
The poles D of field-effect tube Q are connect with the anode of the first diode D1,
The input terminal of upper limit conductive member U2 is connect with the anode of the second diode D2,
The input terminal of section switch control section U3, the cathode of the first diode D1, the cathode of the second diode D2 are connected
The output end of power supply section control module VT is constituted,
The conducting voltage V1 of lower limit conductive member U1 is less than the conducting voltage V2 of upper limit conductive member U2,
When the voltage of section switch control section U3 input terminals is less than or equal to operating voltage threshold value, section switch control section
U3 output ends are high-impedance state；
Section switch control section U3 input terminal voltages are more than operating voltage threshold value and are less than or equal to switch conduction voltage threshold
When value V3, switch control section U3 outputs in section terminate electrically,
When section switch control section U3 input terminal voltages are more than switch conduction voltage threshold value V3, section switch control section
The output end of U3 is connected with input terminal,
Switch conduction voltage threshold value V3 is more than or equal to the conducting voltage V2 of upper limit conductive member U2,
The G of field-effect tube Q extremely high level when, the poles S and the poles D disconnect, the G of field-effect tube Q extremely low level when, the poles S and D
Pole is connected.
The electric energy that the voltage of secondary storage capacitor CS discharges during being reduced to conducting voltage V1 from conducting voltage V2 can
The energy of one-shot, detection, communication process is completed for the rear class monitoring device of the output end connection for the section control module VT that powers
Consumption.
Preferably, electromagnetic wave collection module E is multiple, the electromagnetic wave reception antenna RA in each electromagnetic wave collection module E
Receive the electromagnetic wave of different frequency range.
The conducting voltage V1 of lower limit conductive member U1 is lower voltage limit, and the conducting voltage V2 of upper limit conductive member U2 is the upper limit
Voltage.
Since apparatus of the present invention are to collect energy scene based on light current, the energy work rate that electromagnetic wave collection module E is collected is remote
It can access the power needed when monitoring device work less than rear class, once monitoring device starts, the voltage of secondary storage capacitor CS
Value will fall rapidly upon, if led using the single thresholding for being more than fixed voltage threshold conducting, being turned off less than fixed voltage threshold
Logical component, is connected when the voltage of secondary storage capacitor CS can be caused to reach fixed voltage threshold, and monitoring device starts, and not yet completes
One-time detection, the voltage value of secondary storage capacitor CS has dropped to be caused to turn off less than fixed voltage threshold, so that device is not
It can complete basic Detection task.
The power supply section control model for collecting energy scene based on light current of the present invention is secondary storage capacitor CS outputs
Voltage starts after being more than upper limit voltage to monitoring device stable power-supplying, until secondary storage capacitor CS voltages drop to less than and are equal to
Lower voltage limit, (lower voltage limit<Upper limit voltage), upper limit voltage and lower voltage limit in rear class monitoring device can operating voltage model
It encloses, (0.5 × secondary the energy storage of electric energy that the voltage of secondary storage capacitor CS discharges during being reduced to lower voltage limit from upper limit voltage
The capacitance of capacitance × (V22-V12)) it is more than the energy requirements that rear class monitoring device completes one-shot, detection, communication process.
When lower limit conductive member U1 input terminal voltages are more than lower voltage limit, the U1 conductings of lower limit conductive member.Upper limit conducting portion
When part U2 input terminal voltages are more than upper limit voltage, the U2 conductings of upper limit conductive member, lower voltage limit<Upper limit voltage.
It powers section control module VT input terminal voltages, that is, the voltage of secondary storage capacitor CS, gradually from low to high
When not yet reaching upper limit voltage more than lower voltage limit, the U1 conductings of lower limit conductive member, field-effect tube Q is not turned at this time, and the upper limit is led
Logical component U2 is not turned on yet, and the input of section switch control section U3 is less than or equal to operating voltage threshold value, its output is caused not led
Logical also earth-free to be in high-impedance state, pull-up resistor R draws high the G electrode potentials of field-effect tube Q, maintains the disconnection shape of field-effect tube Q
State, power supply section control module VT do not have electric energy output.When section control module VT input terminal voltages of powering are more than upper limit voltage,
The U1 conductings of lower limit conductive member, upper limit conductive member U2 are also switched on, and through the second diode D2 decaying, power section control module VT
Output voltage is slightly less than input terminal voltage, and the input terminal of section switch control section U3 is more than operating voltage threshold value but small at this time
In the state equal to switch conduction voltage threshold value V3, it is low level to lead to the output end of section switch control section U3, that is, is maintained
The poles S of the G of field-effect tube Q extremely low levels, field-effect tube Q are connected with the poles D, power supply are provided for rear class monitoring device, due to one
Denier starts to be powered to rear class monitoring device, can largely consume electric energy, power supply section control module VT input terminal voltages can under
Drop, even if power supply section control module VT input terminal voltages drop under V2 thereafter, as long as being higher than lower voltage limit, upper limit conducting
Component U2 is disconnected, and the second diode D2 shutdowns, the S grades and the conducting state of the poles D of field-effect tube Q are still able to maintain that, it is ensured that are supplied
Electric range restraint module VT provides power supply output power supply to rear class monitoring device, until power supply section control module VT inputs are less than
Lower voltage limit, lower limit conductive member U1 are disconnected.
Usefulness of the present invention：Using the electromagnetic wave in ambient enviroment, realizes electromagnetic wave energy conversion storage, work as energy
When storage is reached for data acquisition of rear class monitoring device completion with transmitting, power supply section control module is connected, and energy is deposited
Module is stored up to energize to the monitoring device that rear class is connected by section control module of powering, on the contrary power supply section module then turns off, it is right
While storing electric energy optimal use, the confession power mode without power supply is realized so that electromagnetic wave conversion power supply of the invention
Module Maintenance free is applicable to long-term low-frequency degree monitoring device.
Description of the drawings
Fig. 1 functional block diagrams.
E：Electromagnetic wave collection module；
CS：Secondary storage capacitor；
VT：Power supply section control module；
Fig. 2 electromagnetic waves collect unit E functional block diagrams.
RA：Electromagnetic wave reception antenna；
EC：Energy conversion elements；
CP：Primary energy capacitance；
VB：Boost parts.
The sections Fig. 3 power control module VT functional block diagrams.
U1：Lower limit conductive member；
U2：Upper limit conductive member；
Q：Field-effect tube；
R：Pull-up resistor；
U3：Section switch control section；
D1：First diode；
D2：Second diode.
Fig. 4 example principles block diagrams.
Specific implementation mode
With reference to embodiment and its attached drawing, the invention will be further described, it is emphasized that, although the present invention will
It is illustrated in conjunction with example, this is not necessarily referring to the present invention and is defined in these examples, these examples are used only for showing the skill of the present invention
The exploitativeness of art scheme.
As shown in Figures 1 to 3, a kind of electromagnetic wave converts power supply module, including electromagnetic wave collection module E, secondary storage capacitor
CS and power supply section control module VT,
Electromagnetic wave collection module E includes sequentially connected electromagnetic wave reception antenna RA, energy conversion elements EC, primary energy
Capacitance CP and boost parts VB, boost parts VB are connect with the input terminal of secondary storage capacitor CS,
Power supply section control module VT includes that lower limit conductive member U1, upper limit conductive member U2, field-effect tube Q, section are opened
Control unit U3, pull-up resistor R, the first diode D1 and the second diode D2 are closed,
The input terminal of lower limit conductive member U1 is the input terminal of power supply section control module VT, and lower limit conductive member U1's is defeated
Enter end to connect with the output end of secondary storage capacitor CS,
The output end of lower limit conductive member U1 respectively with the one end pull-up resistor R, the poles S of field-effect tube Q, upper limit conductive member
The input terminal of U2 connects,
The pull-up resistor R other ends are connect with the output end of the poles G of field-effect tube Q and section switch control section U3 respectively,
The poles D of field-effect tube Q are connect with the anode of the first diode D1,
The input terminal of upper limit conductive member U2 is connect with the anode of the second diode D2,
The input terminal of section switch control section U3, the cathode of the first diode D1, the cathode of the second diode D2 are connected
The output end of power supply section control module VT is constituted,
The conducting voltage V1 of lower limit conductive member U1 is less than the conducting voltage V2 of upper limit conductive member U2,
When the voltage of section switch control section U3 input terminals is less than or equal to operating voltage threshold value, section switch control section
U3 output ends are high-impedance state；
Section switch control section U3 input terminal voltages are more than operating voltage threshold value and are less than or equal to switch conduction voltage threshold
When value V3, switch control section U3 outputs in section terminate electrically,
When section switch control section U3 input terminal voltages are more than switch conduction voltage threshold value V3, section switch control section
The output end of U3 is connected with input terminal,
Switch conduction voltage threshold value V3 is more than or equal to the conducting voltage V2 of upper limit conductive member U2,
The G of field-effect tube Q extremely high level when, the poles S and the poles D disconnect, the G of field-effect tube Q extremely low level when, the poles S and D
Pole is connected.
The electric energy that the voltage of secondary storage capacitor CS discharges during being reduced to conducting voltage V1 from conducting voltage V2 can
The energy of one-shot, detection, communication process is completed for the rear class monitoring device of the output end connection for the section control module VT that powers
Consumption.
In the present embodiment：
The electromagnetic wave reception antenna RA of electromagnetic wave collection module E selects the high-gain omnidirectional of 100MHz~6GHz band limits
Property reception antenna；Energy conversion elements EC selects the PCC110 electromagnetic wave energy conversion chips of powercast companies, convertible frequency
Rate ranging from 100MHz~6GHz；Primary energy capacitance CP selects 2.5V/0.5F ultracapacitors；Boost parts VB is selected
The PCC210 DC boosting chips of powercast companies.
The electromagnetic wave energy received is converted to faint direct current through energy conversion elements EC by electromagnetic wave reception antenna RA
Voltage charges to primary energy capacitance CP ultracapacitors, after the boosted component VB of primary energy capacitance CP electric energy be promoted to compared with
High voltage provides charging for secondary storage capacitor CS.
Energy conversion elements EC selects the electromagnetic wave energy conversion chip PCC110 for powercast companies, convertible frequency
Rate ranging from 100MHz~6GHz is connect with electromagnetic wave reception antenna RA.Electromagnetic wave reception antenna RA is transmitted using coaxial cable,
Optimum impedance matching is 50 Ω, and electromagnetic wave energy conversion chip PCC110 can be directly connected to electromagnetic wave reception antenna RA.Electromagnetism
Wave energy conversion chip PCC110 starts to dock without externally fed when environment electromagnetics intensity of wave reaches -17dBm (20uW)
The electromagnetic wave received carries out conversion output DC voltage, and transfer efficiency is more than 75%.
Primary energy capacitance CP is 2.5V/0.5F ultracapacitors, the direct current for storing energy conversion elements EC outputs
Voltage signal.
Boost parts VB be DC boosting chip PCC210, DC boosting chip PCC210 be internally integrated boosting, monitoring,
Filter module, chip be not necessarily to externally fed, can operating voltage it is extremely low, when input voltage be higher than 0.4V when, you can to the straight of input
Galvanic electricity pressure carries out boost conversion, and output voltage is adjustable by two outer connecting resistances, and transfer efficiency is up to 95%.
As shown in figure 4, in the present embodiment, electromagnetic wave collection module E is 3, the output of 3 electromagnetic wave collection module E
It is connect with secondary storage capacitor CS after parallel connection, the electromagnetic wave reception antenna RA difference in this example in 3 electromagnetic wave collection module E
The omni-directional electromagnetic wave that gain is tri- kinds of frequency ranges of 2.4GHz of 915MHz, 35dbi of 100MHz, 35dbi of 12dbi is selected to receive
Antenna is connect using coaxial cable system with energy conversion elements EC, and multiple available frequency band electromagnetic wave reception antennas are improving
Efficiency of energy collection.
Secondary storage capacitor CS selects 3.3V/1F ultracapacitors, for storing 3 electromagnetic wave collection module E and connecing defeated
The DC voltage gone out.Two-stage energy storage mode, directly boosts relative to level-one energy storage, and sharpest edges are power supply modules in ambient enviroment
Under electromagnetic intensity weaker condition still can normal operation, and efficiency of energy collection is minimum can be improved 30%.
The conducting voltage V1 of lower limit conductive member U1 is lower voltage limit, and the conducting voltage V2 of upper limit conductive member U2 is the upper limit
Voltage.Lower limit conductive member U1 is 1.8V threshold voltage detection chip AME8550AEETA180Z, lower voltage limit (conducting voltage
V1) it is V1=1.8V, upper limit conductive member U2 is 3.3V threshold voltage detection chip AME8550AEETA330Z, upper limit voltage
(conducting voltage V2) is V2=3.3V, and field-effect tube Q1 is P-MOS pipe NTS2101P, and pull-up resistor R1 is 10k, section switch control
Component U3 processed is reset chip CN61CN33, and operating voltage threshold value is 1.15V, and switch conduction voltage threshold value V3=3.3V (meets
V2 is less than or equal to V3), the first diode D1, the second diode D2 are low pressure drop diode 1N5819.
Initial time, secondary storage capacitor C6 voltages are less than 1.8V, the lower limit conductive member for the section control module VT that powers
U1 is turned off, output voltage 0, when secondary storage capacitor C6 voltages reach 1.8V less than 3.3V, lower limit conductive member U1
Conducting, upper limit conductive member U2 are not yet connected, and upper limit conductive member U2 exports low level, and switch control section U3 inputs in section are drawn
Foot voltage is 0, and section switch control section U3 does not work, so P-MOS pipes Q1 is not turned on, output voltage 0.
When secondary storage capacitor C6 boost in voltage reaches 3.3V or more, the U2 conductings of upper limit conductive member, the control of power supply section
The voltage that molding block VT is input to section switch control section U3 input pins after the second diode of low pressure drop D2 is about
The switch conduction voltage threshold value V3 of 3.1V, not up to section switch control section U3, but higher than section switch control section U3's
The output end of operating voltage threshold value, section switch control section U3 is low level, causes field-effect tube Q1 to be connected, field-effect tube Q1
It is simultaneously turned on upper limit conductive member U2, two-way DC voltage passes through low pressure drop the first diode D1 and the second diode D2 respectively
Short circuit afterwards, power supply section control module VT export DC voltage.
Since successive load power consumption is more than the power of electromagnetic wave energy conversion, after the U2 conductings of upper limit conductive member, U2 conductings
Moment secondary storage capacitor CS voltages are begun to decline by 3.3V at once, upper limit conductive member U2 will be caused to turn off, but due to the upper limit
Conductive member U2 has gate delay, is turned off after the 200~400ms that can be delayed, and can ensure that section switch control section U3 this periods
Normal work and output low level, field-effect tube Q1 conductings, to maintain the power supply through the D1 outputs of the first diode of low pressure drop logical
Road avoids the occurrence of instant power-down phenomenon.
When secondary storage capacitor CS voltage step-downs are to less than 1.8V, the U1 shutdowns of lower limit conductive member, entire monitoring device
Power-off.
This example uses three electromagnetic wave collection module E (the first electromagnetic wave collection module E1, the second electromagnetic wave collection modules
E2, third electromagnetic wave collection module E3) paralleling model increases the efficiency of collection of energy, and each electromagnetic wave collection module E is not for
Electromagnetic wave with frequency range is converted, according to electromagnetic wave Friis propagation formulas(wherein Pr is to receive
The radio-frequency power arrived, Pt are the radio-frequency power of transmitting, and Gt is transmitter antenna gain (dBi), and Gr is receiving antenna gain, and λ is radiofrequency signal
Wavelength, r are distance of the emission of radio frequency signals point to receiving point), 1, for 2.4G frequency ranges：Urban district output power is the 4G bases of 20W
It stands, the corresponding wavelength X of frequency range is 0.125m, apart from the position of base station 300m, 35dBi gain RF signals is selected to receive day
Line, the radio-frequency power that energy conversion chip PCC110 theories can receive are 0.123mW；2, for 900M frequency ranges：Urban district exports
Power is the base stations GSM900 of 20W, and the corresponding wavelength X of frequency range is 0.328m, in the position of distance GSM900 base station 300m, is selected
35dBi gain RF signal receiving antennas, the radio-frequency power that energy conversion chip PCC110 theories can receive are 0.478mW；
3, for 100M frequency ranges：Transmission power is that the f-m broadcast station coverage area of 10KW is about 70~100Km, apart from frequency modulation electricity
The positions platform 10Km select the omni-directional antenna of 6dbi gains, theory to can receive 0.023mW electromagnetic wave energies.
It is assumed that this power supply module rear class monitoring device loads maximum power dissipation 33mW, low-power consumption mode power consumption 5uW, complete primary
System start, complete detection, process of data communication used time 3s, this example electromagnetic wave conversion power supply module can several minutes to
Collect in a few hours and work normally primary energy for rear class monitoring device, geotechnical engineering can be met completely one day for several times very
The low frequency time monitoring requirements primary to a couple of days.
Disclosed above is only the preferred embodiment of the present invention, but the present invention is not limited to this, any to be familiar with this skill
In the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in should all be covered at this technical staff in art field
Within the protection domain of invention.Therefore, protection scope of the present invention with the scope of the claims and should not take off
It several improvement and should be all within the scope of the present invention from made by under the premise of the principle of the invention.
Claims (3)
1. a kind of electromagnetic wave converts power supply module, including electromagnetic wave collection module（E）, which is characterized in that further include：Secondary energy storage
Capacitance（CS）With power supply section control module（VT）,
Electromagnetic wave collection module（E）Including sequentially connected electromagnetic wave reception antenna（RA）, energy conversion elements（EC）, primary storage
It can capacitance（CP）And boost parts（VB）, boost parts（VB）With secondary storage capacitor（CS）Input terminal connection,
Power supply section control module（VT）Including lower limit conductive member（U1）, upper limit conductive member（U2）, field-effect tube（Q）, area
Between switch control section（U3）, pull-up resistor（R）, the first diode（D1）With the second diode（D2）,
Lower limit conductive member（U1）Input terminal be power supply section control module（VT）Input terminal, lower limit conductive member（U1）'s
Input terminal and secondary storage capacitor（CS）Output end connection,
Lower limit conductive member（U1）Output end respectively with pull-up resistor（R）One end, field-effect tube（Q）The poles S, upper limit conducting portion
Part（U2）Input terminal connection,
Pull-up resistor（R）The other end respectively with field-effect tube（Q）The poles G and section switch control section（U3）Output end connect
It connects,
Field-effect tube（Q）The poles D and the first diode（D1）Anode connection,
Upper limit conductive member（U2）Input terminal and the second diode（D2）Anode connection,
Section switch control section（U3）Input terminal, the first diode（D1）Cathode, the second diode（D2）Cathode phase
Even constitute power supply section control module（VT）Output end,
Lower limit conductive member（U1）Conducting voltage V1 be less than upper limit conductive member（U2）Conducting voltage V2,
Section switch control section（U3）When the voltage of input terminal is less than or equal to operating voltage threshold value, section switch control section
（U3）Output end is high-impedance state；
Section switch control section（U3）Input terminal voltage is more than operating voltage threshold value and is less than or equal to switch conduction voltage threshold value
When V3, section switch control section（U3）Output terminates electrically,
Section switch control section（U3）When input terminal voltage is more than switch conduction voltage threshold value V3, section switch control section
（U3）Output end be connected with input terminal,
Switch conduction voltage threshold value V3 is more than or equal to upper limit conductive member（U2）Conducting voltage V2,
Field-effect tube（Q）G extremely high level when, the poles S and the poles D disconnect, field-effect tube（Q）G extremely low level when, the poles S and D
Pole is connected.
2. a kind of electromagnetic wave according to claim 1 converts power supply module, which is characterized in that
The electromagnetic wave collection module（E）To be multiple, each electromagnetic wave collection module（E）In electromagnetic wave reception antenna（RA）
Receive the electromagnetic wave of different frequency range.
3. a kind of electromagnetic wave according to claim 1 converts power supply module, which is characterized in that
The secondary storage capacitor（CS）Voltage be reduced to conducting voltage V1 from conducting voltage V2 during the electricity that discharges
It can be for section control module of powering（VT）Output end connection rear class monitoring device complete one-shot, detection, communicated
The energy consumption of journey.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810561558.5A CN108683273B (en) | 2018-06-04 | 2018-06-04 | Electromagnetic wave conversion power supply module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810561558.5A CN108683273B (en) | 2018-06-04 | 2018-06-04 | Electromagnetic wave conversion power supply module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108683273A true CN108683273A (en) | 2018-10-19 |
| CN108683273B CN108683273B (en) | 2020-08-11 |
Family
ID=63809747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810561558.5A Active CN108683273B (en) | 2018-06-04 | 2018-06-04 | Electromagnetic wave conversion power supply module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108683273B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110401268A (en) * | 2019-07-29 | 2019-11-01 | 哈尔滨工业大学 | A kind of RF energy collection method and system based on electromagnetic space Situation Awareness |
| CN112165176A (en) * | 2020-10-14 | 2021-01-01 | 武汉中岩科技股份有限公司 | Two-way three-stage energy storage power supply module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080077336A1 (en) * | 2006-09-25 | 2008-03-27 | Roosevelt Fernandes | Power line universal monitor |
| CN102118067A (en) * | 2009-12-30 | 2011-07-06 | 山东电力集团公司淄博供电公司 | Non-contact high-voltage power obtaining method |
| CN102299559A (en) * | 2010-05-28 | 2011-12-28 | 美国能量变换公司 | System for self-powered, wireless monitoring of electrical current, power and energy |
| CN103269132A (en) * | 2013-05-23 | 2013-08-28 | 北京赛易科信息技术有限公司 | Sensor power supply method and power supply device |
| CN107302269A (en) * | 2017-07-17 | 2017-10-27 | 青岛海信移动通信技术股份有限公司 | A kind of Energy harvesting methods and its system |
-
2018
- 2018-06-04 CN CN201810561558.5A patent/CN108683273B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080077336A1 (en) * | 2006-09-25 | 2008-03-27 | Roosevelt Fernandes | Power line universal monitor |
| CN102118067A (en) * | 2009-12-30 | 2011-07-06 | 山东电力集团公司淄博供电公司 | Non-contact high-voltage power obtaining method |
| CN102299559A (en) * | 2010-05-28 | 2011-12-28 | 美国能量变换公司 | System for self-powered, wireless monitoring of electrical current, power and energy |
| CN103269132A (en) * | 2013-05-23 | 2013-08-28 | 北京赛易科信息技术有限公司 | Sensor power supply method and power supply device |
| CN107302269A (en) * | 2017-07-17 | 2017-10-27 | 青岛海信移动通信技术股份有限公司 | A kind of Energy harvesting methods and its system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110401268A (en) * | 2019-07-29 | 2019-11-01 | 哈尔滨工业大学 | A kind of RF energy collection method and system based on electromagnetic space Situation Awareness |
| CN110401268B (en) * | 2019-07-29 | 2023-02-03 | 哈尔滨工业大学 | Radio frequency energy collection method and system based on electromagnetic space situation perception |
| CN112165176A (en) * | 2020-10-14 | 2021-01-01 | 武汉中岩科技股份有限公司 | Two-way three-stage energy storage power supply module |
| CN112165176B (en) * | 2020-10-14 | 2022-04-01 | 武汉中岩科技股份有限公司 | Two-way three-stage energy storage power supply module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108683273B (en) | 2020-08-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10910884B2 (en) | Electric power charge and discharge system | |
| CN103227498B (en) | Environmental electromagnetic wave energy acquirer and application | |
| CN108683273A (en) | A kind of electromagnetic wave conversion power supply module | |
| CN108242859A (en) | A kind of 60GHz radio frequency energies collection device | |
| CN103580294A (en) | Module for converting radio waves into electric energy and low-power electronic device and method utilizing the module | |
| CN114467241A (en) | Wireless power transfer | |
| CN217543292U (en) | Partial discharge detection control system | |
| CN110768354A (en) | Energy management method based on multi-element energy collection | |
| CN201928362U (en) | Television set and real-time clock system of television set | |
| CN208654835U (en) | A kind of solar powered low-power consumption RFID active electronic label | |
| CN116191693B (en) | Wireless charging system and wireless charging method for intelligent water meter based on WiFi signals | |
| CN207281801U (en) | A kind of self-powered BRT electronic tag for vehicles systems of light energy collecting | |
| CN116846091A (en) | Radio frequency wireless charging system based on green energy and electromagnetic radiation safety | |
| CN114189826A (en) | Electric power data remote acquisition equipment | |
| Anandakumar et al. | Wireless Power Transmission For Low Power Micro Device | |
| CN213513633U (en) | Solar street lamp control system based on single-string lithium battery | |
| CN218124377U (en) | Active antenna interface circuit based on solar power generation | |
| CN205142212U (en) | Power consumption information acquisition GPRS signal amplifier based on 10kV induction electricity -taking | |
| CN110943754A (en) | Wireless energy-carrying communication system with scattering communication function | |
| CN204258379U (en) | Vehicle carried electronic label wireless charging device | |
| CN201142076Y (en) | Radio frequency card door lock circuit | |
| Hamid et al. | Energy Harvesting and Optimisation from Ambient RF Sources: A Review | |
| CN109038837A (en) | Wireless charging device and wireless charging system | |
| CN117749211A (en) | Radio frequency circuit with energy management | |
| CN106877518A (en) | A kind of intelligent case and bag wireless charging system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |