CN106406416A - Microwave energy rectifying device and method - Google Patents
Microwave energy rectifying device and method Download PDFInfo
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- CN106406416A CN106406416A CN201610938883.XA CN201610938883A CN106406416A CN 106406416 A CN106406416 A CN 106406416A CN 201610938883 A CN201610938883 A CN 201610938883A CN 106406416 A CN106406416 A CN 106406416A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/625—Regulating voltage or current wherein it is irrelevant whether the variable actually regulated is ac or dc
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Abstract
The invention provides a microwave energy rectifying device and a microwave energy rectifying method. The microwave energy rectifying method comprises the steps that an acquired microwave signal is converted into an alternating current signal by an energy harvesting module, the alternating current signal is converted into a first direct current signal and a reference direct current signal by a high-power rectifying module and a reference module, and an output voltage and a reference voltage are provided by the corresponding direct current signal; when the output voltage is small than the reference voltage, an automatic control module controls an input terminal to be connected to an output terminal, so that a low-power rectifying module converts the alternating current signal into a second direct current signal and transmits the second direct current signal to a first loading module; and when the output voltage is not lower than the reference voltage, the automatic control module controls the input terminal to be disconnected from the output terminal, so that the high-power rectifying module transmits the converted first direct current signal to the first loading module. Based on the disclosed method, a rectification path can be automatically selected according to the power of the microwave signal, and thus, good radio frequency-direct current conversion efficiency can be ensured under the wide-range microwave signal.
Description
Technical field
The present invention relates to microwave wireless charging technique field, more particularly, it relates to a kind of microwave energy fairing and
Method.
Background technology
With scientific and technological continuous development, wireless charging technology is arisen at the historic moment.Existing wireless charging mode can in principle
It is divided three classes：Electromagnetic induction, magnetic resonance and microwave wireless delivery of energy.Depend on current technology level, electromagnetic induction and magnetic resonance
Both modes can only closely (less than one meter, or even need to contact) and carry out wireless charging, only microwave wireless delivery of energy side
Formula is capable of medium and long distance wireless charging.
Rectification circuit is the important component part of microwave wireless delivery of energy.Current rectification circuit is only for particular range
Microwave signal and arrange that is to say, that existing rectification circuit can only keep good under the microwave signal in the range of a certain fractional value
Good radio frequency-direct current transformation efficiency.
Therefore, rectification circuit how is made also to can guarantee that good radio frequency-direct current conversion effect under the microwave signal of wide scope
Rate, has become as the problem of those skilled in the art's urgent need to resolve.
Content of the invention
In view of this, the present invention provides a kind of microwave energy fairing and method, can only to solve existing rectification circuit
The problem of good radio frequency-direct current transformation efficiency is kept under the microwave signal in the range of a certain fractional value.Technical scheme is as follows：
A kind of microwave rectification device, including：Energy acquisition module, high power rectification module, referrer module, automatically control mould
Block, low-power rectification module, respectively with described high power rectification module outfan and described low-power rectification module outfan phase
The first load blocks even and the second load blocks being connected with described referrer module outfan；
Wherein, the cut-in voltage of described high power rectification module is first threshold, and the cut-in voltage of described referrer module is
Second Threshold, the cut-in voltage of described low-power rectification module is the 3rd threshold value, and described Second Threshold and described 3rd threshold
Value is respectively less than described first threshold；
Described energy acquisition module outfan is defeated with described high power rectification module input and described referrer module respectively
Enter end to be connected；The first input end of described automatic control module is connected with described high power rectification module outfan, the second input
End is connected with described referrer module outfan, the input terminal of described automatic control module and described energy acquisition module outfan
It is connected, the lead-out terminal of described automatic control module is connected with described low-power rectification module input；
Described energy acquisition module gathers microwave signal, and described microwave signal is converted into corresponding AC signal；
Described AC signal is converted into the first direct current signal by described high power rectification module；
Described AC signal is converted into reference to direct current signal described referrer module；
Described automatic control module obtains and compares the corresponding output voltage of described first direct current signal and described reference is straight
The stream corresponding reference voltage of signal；
When described output voltage is less than described reference voltage, described automatic control module control input terminal and outfan
Son is connected, and described low-power rectification module receives described AC signal, and described AC signal is converted into the second direct current signal simultaneously
Export to described first load blocks；
When described output voltage is not less than described reference voltage, described automatic control module control input terminal and output
Terminal remains open, and described high power rectification module is by described first DC signal output to described first load blocks.
Preferably, described high power rectification module includes：First match circuit and the first rectification filtering unit, described first
Rectification filtering unit includes the first semiconductor rectifier and the first output filter circuit, the unlatching of described first semiconductor rectifier
Voltage is described first threshold；
Described first match circuit input is connected with described energy acquisition module outfan；Described first semiconductor rectifier
Device input is connected with described first match circuit outfan；Described first output filter circuit input is led with described the first half
Body rectifier output end is connected, and described first output filter circuit outfan is connected with described first load blocks；
Described first match circuit passes through to mate the first impedance of described energy acquisition module and described first rectifying and wave-filtering
Second impedance of unit, described AC signal is sent to described first semiconductor rectifier；
Described AC signal is converted into the 3rd direct current carrying the first higher hamonic wave by described first semiconductor rectifier
Signal；
Described first output filter circuit filters described first higher hamonic wave in described 3rd direct current signal, obtains described
First direct current signal.
Preferably, described referrer module includes：Second match circuit and the second rectification filtering unit, described second rectification filter
Ripple unit includes the second semiconductor rectifier and the second output filter circuit, and the cut-in voltage of described second semiconductor rectifier is
Described Second Threshold；
Described second match circuit input is connected with described energy acquisition module outfan；Described second semiconductor rectifier
Device input is connected with described second match circuit outfan；Described second output filter circuit input is led with described the second half
Body rectifier output end is connected, and described second output filter circuit outfan is connected with described second load blocks；
Described second match circuit passes through to mate described first impedance of described energy acquisition module and described second rectification
3rd impedance of filter unit, described AC signal is sent to described second semiconductor rectifier；
Described AC signal is converted into the 4th direct current carrying the second higher hamonic wave by described second semiconductor rectifier
Signal；
Described second output filter circuit filters described second higher hamonic wave in described 4th direct current signal, obtains described
With reference to direct current signal.
Preferably, described automatic control module includes：Comparator, phase inverter and analog switch；
The first input end of described comparator is connected with described high power rectification module outfan, the second input with described
Referrer module outfan is connected；Described inverter input is connected with described comparator output terminal；Described analog switch control end
Sub and described inverter output is connected, with described energy acquisition module outfan phase described in the input terminal of described analog switch
Even, the lead-out terminal of described analog switch is connected with described low-power rectification module input；
Described comparator obtains and compares described output voltage and described reference voltage, generates for characterizing comparative result
Level signal, wherein, low level signal is used for characterizing described output voltage less than described reference voltage, and high level signal is used for table
Levy described output voltage and be not less than described reference voltage；
Described phase inverter carries out anti-phase process to described level signal, obtains inverting level signal；
When described inverting level signal is high level signal, described analog switch control input terminal and lead-out terminal connect
Logical；
When described inverting level signal is low level signal, described analog switch control input terminal and lead-out terminal are protected
Hold disconnection.
Preferably, described low-power rectification module includes：3rd match circuit and the 3rd rectification filtering unit, the described 3rd
Rectification filtering unit includes the 3rd semiconductor rectifier and the 3rd output filter circuit, the unlatching of described 3rd semiconductor rectifier
Voltage is described 3rd threshold value；
Described 3rd match circuit input is connected with the lead-out terminal of described automatic control module；Described 3rd quasiconductor
Rectifier input is connected with described 3rd match circuit outfan；Described 3rd output filter circuit input and the described 3rd
Semiconductor rectifier outfan is connected, and described 3rd output filter circuit outfan is connected with described first load blocks；
Described 3rd match circuit passes through to mate described first impedance of described energy acquisition module and described 3rd rectification
4th impedance of filter unit, receives described AC signal, and described AC signal is sent to described 3rd semiconductor rectifier
Device；
Described AC signal is converted into the 5th direct current carrying the 3rd higher hamonic wave by described 3rd semiconductor rectifier
Signal；
Described 3rd output filter circuit filters described 3rd higher hamonic wave in described 5th direct current signal, obtains described
Second direct current signal simultaneously exports to described first load blocks.
A kind of microwave rectification method, is applied to the microwave rectification device described in technique scheme any one, described micro-
Ripple fairing includes energy acquisition module, high power rectification module, referrer module, automatic control module, low-power rectification mould
Block, the first load blocks and the second load blocks, wherein, the cut-in voltage of described high power rectification module is first threshold, institute
The cut-in voltage stating referrer module is Second Threshold, and the cut-in voltage of described low-power rectification module is the 3rd threshold value, and institute
State Second Threshold and described 3rd threshold value is respectively less than described first threshold, described microwave rectification method includes：
Described energy acquisition module gathers microwave signal, and described microwave signal is converted into corresponding AC signal；
Described AC signal is converted into the first direct current signal by described high power rectification module；
Described AC signal is converted into reference to direct current signal described referrer module；
Described automatic control module obtains and compares the corresponding output voltage of described first direct current signal and described reference is straight
The stream corresponding reference voltage of signal；
When described output voltage is less than described reference voltage, described automatic control module control input terminal and outfan
Son is connected, and described low-power rectification module receives described AC signal, and described AC signal is converted into the second direct current signal simultaneously
Export to described first load blocks；
When described output voltage is not less than described reference voltage, described automatic control module control input terminal and output
Terminal remains open, and described high power rectification module is by described first DC signal output to described first load blocks.
Preferably, when described high power rectification module includes the first match circuit and the first rectification filtering unit, described
One rectification filtering unit includes the first semiconductor rectifier and the first output filter circuit, the opening of described first semiconductor rectifier
When opening voltage for described first threshold, described AC signal is converted into the first direct current signal by described high power rectification module, bag
Include：
Described first match circuit passes through to mate the first impedance of described energy acquisition module and described first rectifying and wave-filtering
Second impedance of unit, described AC signal is sent to described first semiconductor rectifier；
Described AC signal is converted into the 3rd direct current carrying the first higher hamonic wave by described first semiconductor rectifier
Signal；
Described first output filter circuit filters described first higher hamonic wave in described 3rd direct current signal, obtains described
First direct current signal.
Preferably, when described referrer module includes the second match circuit and the second rectification filtering unit, described second rectification
Filter unit includes the second semiconductor rectifier and the second output filter circuit, the cut-in voltage of described second semiconductor rectifier
During for described Second Threshold, described AC signal is converted into reference direct current signal by described referrer module, including：
Described second match circuit passes through to mate described first impedance of described energy acquisition module and described second rectification
3rd impedance of filter unit, described AC signal is sent to described second semiconductor rectifier；
Described AC signal is converted into the 4th direct current carrying the second higher hamonic wave by described second semiconductor rectifier
Signal；
Described second output filter circuit filters described second higher hamonic wave in described 4th direct current signal, obtains described
With reference to direct current signal.
Preferably, when described automatic control module includes comparator, phase inverter and analog switch, described automatically control mould
Block obtains and compares the corresponding output voltage of described first direct current signal and the described reference corresponding reference voltage of direct current signal, bag
Include：
Described comparator obtains and compares described output voltage and described reference voltage, generates for characterizing comparative result
Level signal, wherein, low level signal is used for characterizing described output voltage less than described reference voltage, and high level signal is used for table
Levy described output voltage and be not less than described reference voltage；
Described phase inverter carries out anti-phase process to described level signal, obtains inverting level signal；
Accordingly, described when described output voltage be less than described reference voltage when, described automatic control module control input
Terminal is connected with lead-out terminal, including：
When described inverting level signal is high level signal, described analog switch control input terminal and lead-out terminal connect
Logical；
Accordingly, described when described output voltage is not less than described reference voltage, described automatic control module controls defeated
Enter terminal and lead-out terminal remains open, including：
When described inverting level signal is low level signal, described analog switch control input terminal and lead-out terminal are protected
Hold disconnection.
Preferably, when described low-power rectification module includes the 3rd match circuit and the 3rd rectification filtering unit, described
Three rectification filtering units include the 3rd semiconductor rectifier and the 3rd output filter circuit, the opening of described 3rd semiconductor rectifier
When opening voltage for described three threshold value, described low-power rectification module receives described AC signal, and described AC signal is converted
For the second direct current signal and export to described first load blocks, including：
Described 3rd match circuit passes through to mate described first impedance of described energy acquisition module and described 3rd rectification
4th impedance of filter unit, receives described AC signal, and described AC signal is sent to described 3rd semiconductor rectifier
Device；
Described AC signal is converted into the 5th direct current carrying the 3rd higher hamonic wave by described 3rd semiconductor rectifier
Signal；
Described 3rd output filter circuit filters described 3rd higher hamonic wave in described 5th direct current signal, obtains described
Second direct current signal simultaneously exports to described first load blocks.
Compared to prior art, what the present invention realized has the beneficial effect that：
A kind of microwave rectification device and method that the above present invention provides, energy acquisition module is by the microwave signal collecting
It is converted into AC signal, send paramount power rectification module and referrer module, AC signal is through high power rectification module and reference
Module converter is the first direct current signal and reference direct current signal, provides output voltage and reference voltage by corresponding direct current signal；
Determine the power of AC signal by comparing output voltage and reference voltage, that is, determine the power of microwave signal；Work as output voltage
, automatically control it was demonstrated that collection is low power microwave signal for ensureing the transformation efficiency of radio frequency-direct current less than during reference voltage
Module control input and lead-out terminal are connected so that AC signal is converted into the second direct current signal by low-power rectification module
And send to the first load blocks；When output voltage is not less than reference voltage it was demonstrated that collection is High-Power Microwave signal, it is
Ensure the transformation efficiency of radio frequency-direct current, automatic control module control input terminal and lead-out terminal remain open so that high power
Module sends the first direct current signal converting to the first load blocks.
As can be seen here, the present invention can automatically select commutation path according to the size of microwave signal, thus micro- in wide scope
Also the transformation efficiency of good radio frequency-direct current is can guarantee that under ripple signal.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing providing obtains other accompanying drawings.
Fig. 1 is a kind of microwave rectification apparatus structure schematic diagram disclosed in the embodiment of the present invention one；
Fig. 2 is a kind of microwave rectification device part-structure schematic diagram disclosed in the embodiment of the present invention two；
Fig. 3 is another kind of microwave rectification device part-structure schematic diagram disclosed in the embodiment of the present invention two；
Fig. 4 is another kind of microwave rectification device part-structure schematic diagram disclosed in the embodiment of the present invention two；
Fig. 5 is another kind of microwave rectification device part-structure schematic diagram disclosed in the embodiment of the present invention two；
Fig. 6 is a kind of microwave rectification method flow diagram disclosed in the embodiment of the present invention three；
Fig. 7 is a kind of microwave rectification method partial process view disclosed in the embodiment of the present invention four；
Fig. 8 is another kind of microwave rectification method partial process view disclosed in the embodiment of the present invention four；
Fig. 9 is another kind of microwave rectification method partial process view disclosed in the embodiment of the present invention four；
Figure 10 is another kind of microwave rectification method partial process view disclosed in the embodiment of the present invention four.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Embodiment one
The embodiment of the present invention one discloses a kind of microwave rectification device, and its structural representation is as shown in figure 1, microwave rectification fills
Put 100 to include：Energy acquisition module 101, high power rectification module 102, referrer module 103, automatic control module 104, low work(
Rate rectification module 105, first being connected with high power rectification module outfan and low-power rectification module outfan respectively load
Module 106 and the second load blocks 107 being connected with referrer module outfan；
Wherein, the cut-in voltage of high power rectification module 102 is first threshold, and the cut-in voltage of referrer module 103 is the
Two threshold values, the cut-in voltage of low-power rectification module 105 is the 3rd threshold value, and Second Threshold and the 3rd threshold value are respectively less than first
Threshold value；
Energy acquisition module outfan is connected with high power rectification module input and referrer module input respectively；Automatically
The first input end of control module is connected with high power rectification module outfan, the second input and referrer module outfan phase
Even, the input terminal of automatic control module is connected with energy acquisition module outfan, the lead-out terminal of automatic control module with low
Power rectification module input is connected；
Energy acquisition module 101 gathers microwave signal, and microwave signal is converted into corresponding AC signal；
AC signal is converted into the first direct current signal by high power rectification module 102；
AC signal is converted into reference to direct current signal referrer module 103；
Automatic control module 104 obtain and compare the corresponding output voltage of the first direct current signal with reference to direct current signal corresponding
Reference voltage；
When output voltage is less than reference voltage, automatic control module 104 control input terminal is connected with lead-out terminal, low
Power rectification module 105 receives AC signal, AC signal is converted into the second direct current signal and exports to the first load blocks；
When output voltage is not less than reference voltage, automatic control module 104 control input terminal and lead-out terminal keep
Disconnect, high power rectification module 105 is by the first DC signal output to the first load blocks.
It should be noted that energy acquisition module includes but is not limited to receive antenna or the aerial array of microwave signal,
Can be specifically chosen according to practical situation.
Also, it should be noted the first load blocks include but is not limited to resistive load and capacitive load, the electricity of setting
Sub- terminal can also, for example, the electronic product such as mobile phone to be charged, intelligent watch or bracelet, can specifically select according to the actual requirements
Select.
Also, it should be noted the second load blocks include but is not limited to resistive load and capacitive load, can be according to reality
Border demand is specifically chosen.
Microwave rectification device disclosed in the embodiment of the present invention, using energy acquisition module, high power rectification module, reference mould
Block, automatic control module, low-power rectification module, the first load blocks and the second load blocks constitute microwave rectification device.Energy
The microwave signal collecting is converted into AC signal by amount acquisition module, and AC signal is through high power rectification module and referrer module
It is converted into the first direct current signal and with reference to direct current signal, provide output voltage and reference voltage by corresponding direct current signal；When defeated
Go out voltage and be less than it was demonstrated that collection is low power microwave signal during reference voltage, for ensureing the transformation efficiency of radio frequency-direct current, from
Dynamic control module control input terminal and lead-out terminal connect so that low-power rectification module that AC signal is converted into second is straight
Stream signal simultaneously sends to the first load blocks；When output voltage is not less than reference voltage it was demonstrated that collection is High-Power Microwave
Signal, for ensureing the transformation efficiency of radio frequency-direct current, automatic control module control input terminal and lead-out terminal remain open, and make
Obtain high power rectification module to send the first direct current signal converting to the first load blocks.As can be seen here, real based on the present invention
Apply microwave rectification device disclosed in example and commutation path can be automatically selected according to the watt level of microwave signal, thus in wide scope
Also the transformation efficiency of good radio frequency-direct current is can guarantee that under microwave signal.
Embodiment two
Based on microwave rectification device disclosed in the embodiments of the present invention one and accompanying drawing 1, the embodiment of the present invention two is also disclosed
A kind of microwave rectification device, wherein, the structural representation of high power rectification module 102 is as shown in Fig. 2 high power rectification module
102 include：First match circuit 201 and the first rectification filtering unit 202, described first rectification filtering unit 202 includes first
Semiconductor rectifier 2021 and the first output filter circuit 2022, the cut-in voltage of the first semiconductor rectifier 2021 is described the
One threshold value；
First match circuit input is connected with energy acquisition module outfan；First semiconductor rectifier input and
One match circuit outfan is connected；First output filter circuit input is connected with the first semiconductor rectifier outfan, and first
Output filter circuit outfan is connected with the first load blocks；
First match circuit 201 passes through to mate the first impedance and first rectification filtering unit 202 of energy acquisition module 101
The second impedance, AC signal is sent to the first semiconductor rectifier 2021；
AC signal is converted into the 3rd direct current signal carrying the first higher hamonic wave by the first semiconductor rectifier 2021；
First output filter circuit 2022 filters the first higher hamonic wave in the 3rd direct current signal, obtains the first direct current letter
Number.
It should be noted that the first semiconductor rectifier includes but is not limited to metal-oxide-semiconductor, diode or diode array,
Arbitrarily microwave signal can be converted into the device of direct current signal, can be specifically chosen according to actual needs.
The microwave rectification device that the present embodiment provides, defeated using the first match circuit, the first semiconductor rectifier and first
Go out filter circuit and constitute high power rectification module.First match circuit passes through to mate first impedance and first of energy acquisition module
Second impedance of rectification filtering unit, high-power AC signal is sent to the first semiconductor rectifier, because the first half lead
The cut-in voltage of body commutator is above the cut-in voltage of referrer module and the cut-in voltage of low power module, and therefore the first half lead
High-power AC signal can be efficiently converted into the 3rd direct current signal carrying the first higher hamonic wave by body commutator, then leads to
Cross the first output filter circuit to filter the first higher hamonic wave, can get the first direct current signal.Open based on the embodiment of the present invention
Microwave rectification device, when the power of microwave signal is higher, the transformation efficiency for ensureing good radio frequency-direct current can be by height
Power rectification module carries out direct current conversion.
Based on microwave rectification device disclosed in the embodiments of the present invention one and accompanying drawing 1, the embodiment of the present invention two is also disclosed
A kind of microwave rectification device, wherein, the structural representation of referrer module 103 is as shown in figure 3, referrer module 103 includes：Second
Distribution road 301 and the second rectification filtering unit 302, the second rectification filtering unit 302 includes the second semiconductor rectifier 3021 He
Second output filter circuit 3022, the cut-in voltage of the second semiconductor rectifier 3021 is described Second Threshold；
Second match circuit input is connected with energy acquisition module outfan；Second semiconductor rectifier input and
Two match circuit outfans are connected；Second output filter circuit input is connected with the second semiconductor rectifier outfan, and second
Output filter circuit outfan is connected with the second load blocks；
Second match circuit 301 passes through to mate the first impedance and second rectification filtering unit 302 of energy acquisition module 101
The 3rd impedance, AC signal is sent to the second semiconductor rectifier 3021；
AC signal is converted into the 4th direct current signal carrying the second higher hamonic wave by the second semiconductor rectifier 3021；
Second output filter circuit 3022 filters the second higher hamonic wave in the 4th direct current signal, obtains with reference to direct current letter
Number.
It should be noted that the second semiconductor rectifier includes but is not limited to metal-oxide-semiconductor, diode or diode array,
Arbitrarily microwave signal can be converted into the device of direct current signal, can be specifically chosen according to actual needs.
The microwave rectification device that the present embodiment provides, defeated using the second match circuit, the second semiconductor rectifier and second
Go out filter circuit and constitute referrer module.The AC signal that energy acquisition module generates is converted into reference to direct current letter through referrer module
Number, by with reference to direct current signal provide reference voltage for automatic control module judge microwave signal power height provide with reference to according to
According to.When output voltage is less than reference voltage it was demonstrated that AC signal is that (microwave signal is that low-power is micro- to low-power AC signal
Ripple signal)；When output voltage is not less than reference voltage it was demonstrated that AC signal is that (microwave signal is high power AC signal
High-Power Microwave signal).As can be seen here, ginseng can be provided for microwave rectification device based on referrer module disclosed in the embodiment of the present invention
Examine voltage so that automatic control module can automatically select according to the output voltage of reference voltage and the generation of high power rectification module
Whether open low-power commutation path, thus also can guarantee that the conversion of good radio frequency-direct current under the microwave signal of wide scope
Efficiency.
Based on microwave rectification device disclosed in the embodiments of the present invention one and accompanying drawing 1, the embodiment of the present invention two is also disclosed
A kind of microwave rectification device, wherein, the structural representation of automatic control module 104 is as shown in figure 4, automatic control module 104 wraps
Include：Comparator 401, phase inverter 402 and analog switch 403；
The first input end of comparator is connected with high power rectification module outfan, and the second input is exported with referrer module
End is connected；Inverter input is connected with comparator output terminal；The control terminal of analog switch is connected with inverter output, mould
The input terminal intending switch is connected with energy acquisition module outfan, and analoging switch output end and low-power rectification module input
End is connected；
Comparator 401 obtains and compares output voltage and reference voltage, generates the level signal for characterizing comparative result,
Wherein, low level signal is used for characterizing output voltage less than described reference voltage, and high level signal is used for characterizing output voltage not
Less than described reference voltage；
Phase inverter 402 carries out anti-phase process to level signal, obtains inverting level signal；
When inverting level signal is high level signal, analog switch 403 control input terminal is connected with lead-out terminal；
When inverting level signal is low level signal, analog switch 403 control input terminal and lead-out terminal keep disconnected
Open.
It should be noted that comparator can be constituted with NMOS tube, PMOS and BJT (transistor) cascade, simulation
Switch available radio frequencies switch substitutes, and specifically can carry out specifically chosen according to the actual requirements.
The microwave rectification device that the present embodiment provides, is constituted using comparator, phase inverter and analog switch and automatically controls mould
Block, comparator is by comparing output voltage and reference voltage output level signal；When output voltage is less than reference voltage, output
Low level signal；When output voltage is not less than reference voltage, export high level signal.Due to when the control terminal of analog switch
When receiving high level signal, input terminal is connected with lead-out terminal it is therefore desirable to add phase inverter.Public based on the embodiment of the present invention
The microwave rectification device opened, automatic control module can automatically control low-power commutation path according to output voltage and reference voltage
Break-make, thus when microwave signal power is low, can open low-power rectification module, when microwave signal power is high, by low-power
Rectification module disconnects, to ensure also to enable the transformation efficiency of good radio frequency-direct current under the microwave signal of wide scope.
Based on microwave rectification device disclosed in the embodiments of the present invention one and accompanying drawing 1, the embodiment of the present invention two is also disclosed
A kind of microwave rectification device, wherein, the structural representation of low-power rectification module 105 is as shown in figure 5, low-power rectification module
105 include：3rd match circuit 501 and the 3rd rectification filtering unit 502, described 3rd rectification filtering unit 502 includes the 3rd
Semiconductor rectifier 5021 and the 3rd output filter circuit 5022, the cut-in voltage of the 3rd semiconductor rectifier 5021 is described the
Three threshold values；
3rd match circuit input is connected with the lead-out terminal of automatic control module；3rd semiconductor rectifier input
It is connected with the 3rd match circuit outfan；3rd output filter circuit input is connected with the 3rd semiconductor rectifier outfan,
3rd output filter circuit outfan is connected with the first load blocks；
3rd match circuit 501 passes through to mate the first impedance and the 3rd rectification filtering unit 502 of energy acquisition module 101
The 4th impedance, receive AC signal, and AC signal sent to the 3rd semiconductor rectifier 5021；
AC signal is converted into the 5th direct current signal carrying the 3rd higher hamonic wave by the 3rd semiconductor rectifier 5021；
3rd output filter circuit 5022 filters the 3rd higher hamonic wave in the 5th direct current signal, obtains the second direct current letter
Number.
It should be noted that the 3rd semiconductor rectifier includes but is not limited to metal-oxide-semiconductor, diode or diode array,
Arbitrarily microwave signal can be converted into the device of direct current signal, can be specifically chosen according to actual needs.
The microwave rectification device that the present embodiment provides, defeated using the 3rd match circuit, the 3rd semiconductor rectifier and the 3rd
Go out filter circuit and constitute low-power rectification module.3rd match circuit passes through to mate first impedance and the 3rd of energy acquisition module
4th impedance of rectification filtering unit, lower powered AC signal is sent to the 3rd semiconductor rectifier, because the 3rd half leads
The cut-in voltage of body commutator is less than the cut-in voltage of high power rectification module, and the therefore the 3rd semiconductor rectifier can be by low-power
AC signal be efficiently converted into the 5th direct current signal carrying the 3rd higher hamonic wave, then pass through the 3rd output filter circuit
3rd higher hamonic wave is filtered, can get the second direct current signal.Based on microwave rectification device disclosed in the embodiment of the present invention, when micro-
When the power of ripple signal is relatively low, the transformation efficiency for ensureing good radio frequency-direct current can be carried out directly by low-power rectification module
Circulationization.
Embodiment three
Based on each embodiment of the invention described above provide microwave rectification device, the present embodiment three then correspondence disclose above-mentioned micro-
The microwave rectification method of ripple fairing, flow chart is as shown in fig. 6, microwave rectification method includes：
S601, energy acquisition module gathers microwave signal, and microwave signal is converted into corresponding AC signal；
S602, AC signal is converted into the first direct current signal by high power rectification module；
S603, AC signal is converted into reference to direct current signal referrer module；
S604, automatic control module obtains and compares the corresponding output voltage of the first direct current signal and with reference to direct current signal pair
The reference voltage answered；
S605, when output voltage is less than reference voltage, automatic control module control input terminal is connected with lead-out terminal,
Low-power rectification module receives AC signal, AC signal is converted into the second direct current signal and exports to the first load blocks；
S606, when output voltage is not less than reference voltage, automatic control module control input terminal and lead-out terminal are protected
Hold disconnection, high power rectification module is by the first DC signal output to the first load blocks.
Microwave rectification method disclosed in the embodiment of the present invention, the microwave signal collecting is converted into friendship by energy acquisition module
Stream signal, AC signal is converted into the first direct current signal and reference direct current signal through high power rectification module and referrer module, by
Corresponding direct current signal provides output voltage and reference voltage；When output voltage is less than reference voltage it was demonstrated that collection is low
Power microwave signal, for ensureing the transformation efficiency of radio frequency-direct current, automatic control module control input terminal and lead-out terminal connect
Lead to so that AC signal is converted into the second direct current signal and sends to the first load blocks by low-power rectification module；Work as output
Voltage is not less than it was demonstrated that collection is High-Power Microwave signal during reference voltage, for ensureing the transformation efficiency of radio frequency-direct current, from
Dynamic control module control input terminal and lead-out terminal remain open so that the first direct current converting is believed by high power rectification module
Number send to the first load blocks.As can be seen here, can be believed according to microwave based on microwave rectification method disclosed in the embodiment of the present invention
Number watt level automatically select commutation path, thus also can guarantee that good radio frequency-direct current under the microwave signal of wide scope
Transformation efficiency.
Example IV
Based on microwave rectification method and Fig. 6 disclosed in the embodiments of the present invention three, the embodiment of the present invention four is also disclosed one
Plant microwave rectification method, when high power rectification module includes the first match circuit and the first rectification filtering unit, the first rectification filter
Ripple unit includes the first semiconductor rectifier and the first output filter circuit, and the cut-in voltage of the first semiconductor rectifier is described
During first threshold, AC signal is converted into the concrete implementation procedure of the first direct current signal by step S602 high power rectification module,
As shown in fig. 7, comprises following steps：
S701, the first match circuit passes through to mate the of the first impedance of energy acquisition module and the first rectification filtering unit
Two impedances, AC signal is sent to the first semiconductor rectifier；
S702, AC signal is converted into the 3rd direct current letter carrying the first higher hamonic wave by the first semiconductor rectifier
Number；
S703, the first output filter circuit filters the first higher hamonic wave in the 3rd direct current signal, obtains the first direct current letter
Number.
The microwave rectification method that the present embodiment provides, the first match circuit passes through to mate the first impedance of energy acquisition module
With the second impedance of the first rectification filtering unit, high-power AC signal is sent to the first semiconductor rectifier, due to
The cut-in voltage of semiconductor commutator is above the cut-in voltage of referrer module and the cut-in voltage of low power module, and therefore
High-power AC signal can be efficiently converted into the 3rd direct current letter carrying the first higher hamonic wave by semiconductor commutator
Number, then by the first output filter circuit, the first higher hamonic wave is filtered, can get the first direct current signal.Implemented based on the present invention
Microwave rectification method disclosed in example, when the power of microwave signal is higher, the transformation efficiency for ensureing good radio frequency-direct current can
Direct current conversion is carried out by high power rectification module.
Based on microwave rectification method and Fig. 6 disclosed in the embodiments of the present invention three, the embodiment of the present invention four is also disclosed one
Plant microwave rectification method, when referrer module includes the second match circuit and the second rectification filtering unit, the second rectification filtering unit
Including the second semiconductor rectifier and the second output filter circuit, the cut-in voltage of the second semiconductor rectifier is Second Threshold
When, AC signal is converted into the concrete implementation procedure with reference to direct current signal by step S603 referrer module, as shown in figure 8, including
Following steps：
S801, the second match circuit passes through to mate the of the first impedance of energy acquisition module and the second rectification filtering unit
Three impedances, AC signal is sent to the second semiconductor rectifier；
S802, AC signal is converted into the 4th direct current letter carrying the second higher hamonic wave by the second semiconductor rectifier
Number；
S803, the second output filter circuit filters the second higher hamonic wave in the 4th direct current signal, obtains with reference to direct current letter
Number.
The microwave rectification method that the present embodiment provides, the AC signal that energy acquisition module generates is converted into through referrer module
With reference to direct current signal, by the reference voltage providing with reference to direct current signal, it is the height that automatic control module judges microwave signal power
Low offer reference frame.When output voltage is less than reference voltage it was demonstrated that AC signal is that low-power AC signal (believe by microwave
Number be low power microwave signal)；When output voltage is not less than reference voltage it was demonstrated that AC signal is high power AC signal
(i.e. microwave signal is High-Power Microwave signal).As can be seen here, can be microwave based on reference method disclosed in the embodiment of the present invention
Fairing provides reference voltage so that automatic control module can be according to the output of reference voltage and the generation of high power rectification module
Voltage, automatically selects and whether opens low-power commutation path, thus also can guarantee that good penetrating under the microwave signal of wide scope
The transformation efficiency of frequently-direct current.
Based on microwave rectification method and Fig. 6 disclosed in the embodiments of the present invention three, the embodiment of the present invention four is also disclosed one
Plant microwave rectification method, when automatic control module includes comparator, phase inverter and analog switch, step S604 automatically controls mould
Block obtains and compares the corresponding output voltage of the first direct current signal and the concrete execution with reference to the corresponding reference voltage of direct current signal
Process, as shown in figure 9, comprise the steps：
S901, comparator obtains and compares output voltage and described reference voltage, generates the electricity for characterizing comparative result
Ordinary mail number, wherein, low level signal is used for characterizing output voltage less than reference voltage, and high level signal is used for characterizing output voltage
Not less than reference voltage；
S902, phase inverter carries out anti-phase process to level signal, obtains inverting level signal；
Accordingly, in step S605 when output voltage be less than reference voltage when, automatic control module control input terminal and
Lead-out terminal connect concrete implementation procedure be：When inverting level signal is high level signal, analog switch control signal
Son is connected with lead-out terminal；
Accordingly, in step S606 when output voltage is not less than reference voltage, automatic control module control input terminal
With the concrete implementation procedure that lead-out terminal remains open it is：When inverting level signal is low level signal, analog switch controls
Input terminal and lead-out terminal remain open.
The microwave rectification method that the present embodiment provides, comparator is by comparing output voltage and reference voltage output level letter
Number；When output voltage is less than reference voltage, export low level signal；When output voltage is not less than reference voltage, output is high
Level signal.Because when the control terminal of analog switch receives high level signal, input terminal is connected with lead-out terminal, because
This needs plus phase inverter.Based on microwave rectification method disclosed in the embodiment of the present invention, automatic control module can be according to output voltage
Automatically control the break-make of low-power commutation path with reference voltage, thus when microwave signal power is low, low-power can be opened whole
Flow module, when microwave signal power is high, low-power rectification module is disconnected, so that ensure also can be real under the microwave signal of wide scope
The transformation efficiency of now good radio frequency-direct current.
Based on microwave rectification method and Fig. 6 disclosed in the embodiments of the present invention three, the embodiment of the present invention four is also disclosed one
Plant microwave rectification method, when low-power rectification module includes the 3rd match circuit and the 3rd rectification filtering unit, the 3rd rectification filter
Ripple unit includes the 3rd semiconductor rectifier and the 3rd output filter circuit, and the cut-in voltage of the 3rd semiconductor rectifier is the 3rd
During threshold value, in step S605, low-power rectification module receives AC signal, and AC signal is converted into the second direct current signal defeated
Go out to the concrete implementation procedure of the first load blocks, as shown in Figure 10, comprise the steps：
S1001, the 3rd match circuit passes through to mate the first impedance of energy acquisition module and the 3rd rectification filtering unit
4th impedance, receives AC signal, and AC signal is sent to the 3rd semiconductor rectifier；
S1002, the 3rd semiconductor rectifier is converted into, by flowing signal, the 5th direct current signal carrying the 3rd higher hamonic wave；
S1003, the 3rd output filter circuit filters the 3rd higher hamonic wave in the 5th direct current signal, obtains the second direct current letter
Number and export to the first load blocks.
The microwave rectification method that the present embodiment provides, defeated using the 3rd match circuit, the 3rd semiconductor rectifier and the 3rd
Go out filter circuit and constitute low-power rectification module.3rd match circuit passes through to mate first impedance and the 3rd of energy acquisition module
4th impedance of rectification filtering unit, lower powered AC signal is sent to the 3rd semiconductor rectifier, because the 3rd half leads
The cut-in voltage of body commutator is less than the cut-in voltage of high power rectification module, and the therefore the 3rd semiconductor rectifier can be by low-power
AC signal be efficiently converted into the 5th direct current signal carrying the 3rd higher hamonic wave, then pass through the 3rd output filter circuit
3rd higher hamonic wave is filtered, can get the second direct current signal.Based on microwave rectification method disclosed in the embodiment of the present invention, when micro-
When the power of ripple signal is relatively low, the transformation efficiency for ensureing good radio frequency-direct current can be carried out directly by low-power rectification module
Circulationization.
Above a kind of microwave energy fairing provided by the present invention and method are described in detail, herein should
With specific case, the principle of the present invention and embodiment are set forth, the explanation of above example is only intended to help reason
The solution method of the present invention and its core concept；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention,
All will change in specific embodiment and range of application, in sum, this specification content should not be construed as to this
Bright restriction.
It should be noted that each embodiment in this specification is all described by the way of going forward one by one, each embodiment weight
Point explanation is all difference with other embodiment, between each embodiment identical similar partly mutually referring to.
For device disclosed in embodiment, because it corresponds to the method disclosed in Example, so fairly simple, the phase of description
Referring to method part illustration in place of pass.
Also, it should be noted herein, such as first and second or the like relational terms are used merely to one
Entity or operation are made a distinction with another entity or operation, and not necessarily require or imply between these entities or operation
There is any this actual relation or order.And, term " inclusion ", "comprising" or its any other variant are intended to contain
The comprising of lid nonexcludability, so that including a series of process of key elements, method, article or the intrinsic key element of equipment,
Or also include for these processes, method, article or the intrinsic key element of equipment.In the absence of more restrictions,
The key element being limited by sentence "including a ..." is it is not excluded that including process, method, article or the equipment of described key element
In also there is other identical element.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple modifications to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase one
The scope the widest causing.
Claims (10)
1. a kind of microwave rectification device is it is characterised in that include：Energy acquisition module, high power rectification module, referrer module,
Automatic control module, low-power rectification module, respectively with described high power rectification module outfan and described low-power rectification mould
The first load blocks and the second load blocks being connected with described referrer module outfan that block outfan is connected；
Wherein, the cut-in voltage of described high power rectification module is first threshold, and the cut-in voltage of described referrer module is second
Threshold value, the cut-in voltage of described low-power rectification module is the 3rd threshold value, and described Second Threshold and described 3rd threshold value equal
Less than described first threshold；
Described energy acquisition module outfan respectively with described high power rectification module input and described referrer module input
It is connected；The first input end of described automatic control module is connected with described high power rectification module outfan, the second input with
Described referrer module outfan is connected, the input terminal of described automatic control module and described energy acquisition module outfan phase
Even, the lead-out terminal of described automatic control module is connected with described low-power rectification module input；
Described energy acquisition module gathers microwave signal, and described microwave signal is converted into corresponding AC signal；
Described AC signal is converted into the first direct current signal by described high power rectification module；
Described AC signal is converted into reference to direct current signal described referrer module；
Described automatic control module obtains and compares the corresponding output voltage of described first direct current signal and described reference direct current letter
Number corresponding reference voltage；
When described output voltage is less than described reference voltage, described automatic control module control input terminal and lead-out terminal connect
Logical, described low-power rectification module receives described AC signal, described AC signal is converted into the second direct current signal and exports
To described first load blocks；
When described output voltage is not less than described reference voltage, described automatic control module control input terminal and lead-out terminal
Remain open, described high power rectification module is by described first DC signal output to described first load blocks.
2. microwave rectification device according to claim 1 is it is characterised in that described high power rectification module includes：First
Match circuit and the first rectification filtering unit, described first rectification filtering unit includes the first semiconductor rectifier and the first output
Filter circuit, the cut-in voltage of described first semiconductor rectifier is described first threshold；
Described first match circuit input is connected with described energy acquisition module outfan；Described first semiconductor rectifier is defeated
Enter end to be connected with described first match circuit outfan；Described first output filter circuit input is whole with described first quasiconductor
Stream device outfan is connected, and described first output filter circuit outfan is connected with described first load blocks；
Described first match circuit passes through to mate the first impedance of described energy acquisition module and described first rectification filtering unit
The second impedance, described AC signal is sent to described first semiconductor rectifier；
Described AC signal is converted into the 3rd direct current signal carrying the first higher hamonic wave by described first semiconductor rectifier；
Described first output filter circuit filters described first higher hamonic wave in described 3rd direct current signal, obtains described first
Direct current signal.
3. microwave rectification device according to claim 1 is it is characterised in that described referrer module includes：Second coupling electricity
Road and the second rectification filtering unit, described second rectification filtering unit includes the second semiconductor rectifier and the second output filtered electrical
Road, the cut-in voltage of described second semiconductor rectifier is described Second Threshold；
Described second match circuit input is connected with described energy acquisition module outfan；Described second semiconductor rectifier is defeated
Enter end to be connected with described second match circuit outfan；Described second output filter circuit input is whole with described second quasiconductor
Stream device outfan is connected, and described second output filter circuit outfan is connected with described second load blocks；
Described second match circuit passes through to mate described first impedance of described energy acquisition module and described second rectifying and wave-filtering
3rd impedance of unit, described AC signal is sent to described second semiconductor rectifier；
Described AC signal is converted into the 4th direct current signal carrying the second higher hamonic wave by described second semiconductor rectifier；
Described second output filter circuit filters described second higher hamonic wave in described 4th direct current signal, obtains described reference
Direct current signal.
4. microwave rectification device according to claim 1 is it is characterised in that described automatic control module includes：Comparator,
Phase inverter and analog switch；
The first input end of described comparator is connected with described high power rectification module outfan, the second input and described reference
Module outfan is connected；Described inverter input is connected with described comparator output terminal；Described analog switch control terminal with
Described inverter output is connected, and is connected with described energy acquisition module outfan described in the input terminal of described analog switch,
The lead-out terminal of described analog switch is connected with described low-power rectification module input；
Described comparator obtains and compares described output voltage and described reference voltage, generates the level for characterizing comparative result
Signal, wherein, low level signal is used for characterizing described output voltage less than described reference voltage, and high level signal is used for characterizing institute
State output voltage and be not less than described reference voltage；
Described phase inverter carries out anti-phase process to described level signal, obtains inverting level signal；
When described inverting level signal is high level signal, described analog switch control input terminal is connected with lead-out terminal；
When described inverting level signal is low level signal, described analog switch control input terminal and lead-out terminal keep disconnected
Open.
5. microwave rectification device according to claim 1 is it is characterised in that described low-power rectification module includes：3rd
Match circuit and the 3rd rectification filtering unit, described 3rd rectification filtering unit includes the 3rd semiconductor rectifier and the 3rd output
Filter circuit, the cut-in voltage of described 3rd semiconductor rectifier is described 3rd threshold value；
Described 3rd match circuit input is connected with the lead-out terminal of described automatic control module；Described 3rd semiconductor rectifier
Device input is connected with described 3rd match circuit outfan；Described 3rd output filter circuit input is led with the described 3rd half
Body rectifier output end is connected, and described 3rd output filter circuit outfan is connected with described first load blocks；
Described 3rd match circuit passes through to mate described first impedance of described energy acquisition module and described 3rd rectifying and wave-filtering
4th impedance of unit, receives described AC signal, and described AC signal is sent to described 3rd semiconductor rectifier；
Described AC signal is converted into the 5th direct current signal carrying the 3rd higher hamonic wave by described 3rd semiconductor rectifier；
Described 3rd output filter circuit filters described 3rd higher hamonic wave in described 5th direct current signal, obtains described second
Direct current signal simultaneously exports to described first load blocks.
6. a kind of microwave rectification method is it is characterised in that be applied to the microwave rectification dress described in Claims 1 to 5 any one
Put, described microwave rectification device includes energy acquisition module, high power rectification module, referrer module, automatic control module, low work(
Rate rectification module, the first load blocks and the second load blocks, wherein, the cut-in voltage of described high power rectification module is first
Threshold value, the cut-in voltage of described referrer module is Second Threshold, and the cut-in voltage of described low-power rectification module is the 3rd threshold value,
And described Second Threshold and described 3rd threshold value are respectively less than described first threshold, and described microwave rectification method includes：
Described energy acquisition module gathers microwave signal, and described microwave signal is converted into corresponding AC signal；
Described AC signal is converted into the first direct current signal by described high power rectification module；
Described AC signal is converted into reference to direct current signal described referrer module；
Described automatic control module obtains and compares the corresponding output voltage of described first direct current signal and described reference direct current letter
Number corresponding reference voltage；
When described output voltage is less than described reference voltage, described automatic control module control input terminal and lead-out terminal connect
Logical, described low-power rectification module receives described AC signal, described AC signal is converted into the second direct current signal and exports
To described first load blocks；
When described output voltage is not less than described reference voltage, described automatic control module control input terminal and lead-out terminal
Remain open, described high power rectification module is by described first DC signal output to described first load blocks.
7. microwave rectification method according to claim 6 is it is characterised in that when described high power rectification module includes first
Match circuit and the first rectification filtering unit, described first rectification filtering unit includes the first semiconductor rectifier and the first output
Filter circuit, when the cut-in voltage of described first semiconductor rectifier is described first threshold, described high power rectification module will
Described AC signal is converted into the first direct current signal, including：
Described first match circuit passes through to mate the first impedance of described energy acquisition module and described first rectification filtering unit
The second impedance, described AC signal is sent to described first semiconductor rectifier；
Described AC signal is converted into the 3rd direct current signal carrying the first higher hamonic wave by described first semiconductor rectifier；
Described first output filter circuit filters described first higher hamonic wave in described 3rd direct current signal, obtains described first
Direct current signal.
8. microwave rectification method according to claim 6 it is characterised in that when described referrer module include second coupling electricity
Road and the second rectification filtering unit, described second rectification filtering unit includes the second semiconductor rectifier and the second output filtered electrical
Road, when the cut-in voltage of described second semiconductor rectifier is described Second Threshold, described referrer module is by described AC signal
It is converted into reference direct current signal, including：
Described second match circuit passes through to mate described first impedance of described energy acquisition module and described second rectifying and wave-filtering
3rd impedance of unit, described AC signal is sent to described second semiconductor rectifier；
Described AC signal is converted into the 4th direct current signal carrying the second higher hamonic wave by described second semiconductor rectifier；
Described second output filter circuit filters described second higher hamonic wave in described 4th direct current signal, obtains described reference
Direct current signal.
9. microwave rectification method according to claim 6 is it is characterised in that when described automatic control module includes comparing
When device, phase inverter and analog switch, described automatic control module obtains and compares described first direct current signal corresponding output electricity
Pressure and the described reference corresponding reference voltage of direct current signal, including：
Described comparator obtains and compares described output voltage and described reference voltage, generates the level for characterizing comparative result
Signal, wherein, low level signal is used for characterizing described output voltage less than described reference voltage, and high level signal is used for characterizing institute
State output voltage and be not less than described reference voltage；
Described phase inverter carries out anti-phase process to described level signal, obtains inverting level signal；
Accordingly, described when described output voltage be less than described reference voltage when, described automatic control module control input terminal
Connect with lead-out terminal, including：
When described inverting level signal is high level signal, described analog switch control input terminal is connected with lead-out terminal；
Accordingly, described when described output voltage be not less than described reference voltage when, described automatic control module control signal
Son and lead-out terminal remain open, including：
When described inverting level signal is low level signal, described analog switch control input terminal and lead-out terminal keep disconnected
Open.
10. microwave rectification method according to claim 6 is it is characterised in that when described low-power rectification module includes
Three match circuits and the 3rd rectification filtering unit, described 3rd rectification filtering unit includes the 3rd semiconductor rectifier and the 3rd defeated
Go out filter circuit, when the cut-in voltage of described 3rd semiconductor rectifier is described three threshold value, described low-power rectification module
Receive described AC signal, described AC signal is converted into the second direct current signal and exports to described first load blocks, wrap
Include：
Described 3rd match circuit passes through to mate described first impedance of described energy acquisition module and described 3rd rectifying and wave-filtering
4th impedance of unit, receives described AC signal, and described AC signal is sent to described 3rd semiconductor rectifier；
Described AC signal is converted into the 5th direct current signal carrying the 3rd higher hamonic wave by described 3rd semiconductor rectifier；
Described 3rd output filter circuit filters described 3rd higher hamonic wave in described 5th direct current signal, obtains described second
Direct current signal simultaneously exports to described first load blocks.
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