CN106406416B - A kind of microwave energy fairing and method - Google Patents
A kind of microwave energy fairing and method Download PDFInfo
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- CN106406416B CN106406416B CN201610938883.XA CN201610938883A CN106406416B CN 106406416 B CN106406416 B CN 106406416B CN 201610938883 A CN201610938883 A CN 201610938883A CN 106406416 B CN106406416 B CN 106406416B
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Abstract
The invention provides a kind of microwave rectification device and method, this method includes：The microwave signal collected is converted into AC signal by energy acquisition module, and AC signal is converted into the first direct current signal and with reference to direct current signal through high power rectification module and referrer module, output voltage and reference voltage are provided by corresponding direct current signal；When output voltage is less than reference voltage, automatic control module control input terminal is connected with lead-out terminal so that AC signal is converted into the second direct current signal and sent to the first load blocks by low-power rectification module；When output voltage is not less than reference voltage, automatic control module control input terminal remains open with lead-out terminal so that high power rectification module sends the first direct current signal of conversion to the first load blocks.Based on method disclosed above, commutation path can be automatically selected according to the watt level of microwave signal, so as to also can guarantee that the transformation efficiency of good radio frequency direct current under the microwave signal of wide scope.
Description
Technical field
The present invention relates to microwave wireless charging technique field, more specifically to a kind of microwave energy fairing and
Method.
Background technology
With the continuous development of science and technology, wireless charging technology is arisen at the historic moment.Existing wireless charging mode in principle may be used
It is divided into three classes：Electromagnetic induction, magnetic resonance and microwave wireless delivery of energy.It is horizontal dependent on current technology, electromagnetic induction and magnetic resonance
Both modes, which closely (can only be no more than one meter, or even need to contact), carries out wireless charging, only microwave wireless delivery of energy side
Formula can realize medium and long distance wireless charging.
Rectification circuit is the important component of microwave wireless delivery of energy.Current rectification circuit is only to be directed to particular range
Microwave signal and set, 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, the problem of having become those skilled in the art's urgent need to resolve.
The 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 the high power rectification module output end and the low-power rectification module output end phase
The first load blocks even and the second load blocks being connected with the referrer module output end；
Wherein, the cut-in voltage of the high power rectification module is first threshold, and the cut-in voltage of the referrer module is
Second Threshold, the cut-in voltage of the low-power rectification module are the 3rd threshold value, and the Second Threshold and the 3rd threshold
Value is respectively less than the first threshold；
The energy acquisition module output end is defeated with the high power rectification module input and the referrer module respectively
Enter end to be connected；The first input end of the automatic control module is connected with the high power rectification module output end, the second input
End is connected with the referrer module output end, the input terminal of the automatic control module and the energy acquisition module output end
It is connected, the lead-out terminal of the automatic control module is connected with the low-power rectification module input；
The energy acquisition module gathers microwave signal, and the microwave signal is converted into corresponding AC signal；
The AC signal is converted into the first direct current signal by the high power rectification module；
The AC signal is converted into reference to direct current signal by the referrer module；
Output voltage corresponding to the automatic control module acquisition and first direct current signal and the reference are straight
Flow reference voltage corresponding to signal；
When the output voltage is less than the reference voltage, the automatic control module control input terminal and output end
Son is connected, and the low-power rectification module receives the AC signal, and the AC signal is converted into the second direct current signal simultaneously
Export to first load blocks；
When the output voltage is not less than the reference voltage, the automatic control module control input terminal and output
Terminal remains open, and the high power rectification module is by first DC signal output to first load blocks.
Preferably, the 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 first semiconductor rectifier
Voltage is the first threshold；
The first match circuit input is connected with the energy acquisition module output end；First semiconductor rectifier
Device input is connected with the first match circuit output end；The first output filter circuit input is led with described the first half
Body rectifier output end is connected, and the first output filter circuit output end is connected with first load blocks；
First match circuit passes through the first impedance for matching the energy acquisition module and first rectifying and wave-filtering
Second impedance of unit, the AC signal is sent to first semiconductor rectifier；
The AC signal is converted into the 3rd direct current for carrying the first higher hamonic wave by first semiconductor rectifier
Signal；
First output filter circuit filters out first higher hamonic wave in the 3rd direct current signal, obtains described
First direct current signal.
Preferably, the referrer module includes：Second match circuit and the second rectification filtering unit, the second rectification filter
Ripple unit includes the second semiconductor rectifier and the second output filter circuit, and the cut-in voltage of second semiconductor rectifier is
The Second Threshold；
The second match circuit input is connected with the energy acquisition module output end；Second semiconductor rectifier
Device input is connected with the second match circuit output end；The second output filter circuit input is led with described the second half
Body rectifier output end is connected, and the second output filter circuit output end is connected with second load blocks；
Second match circuit passes through first impedance for matching the energy acquisition module and second rectification
3rd impedance of filter unit, the AC signal is sent to second semiconductor rectifier；
The AC signal is converted into the 4th direct current for carrying the second higher hamonic wave by second semiconductor rectifier
Signal；
Second output filter circuit filters out second higher hamonic wave in the 4th direct current signal, obtains described
With reference to direct current signal.
Preferably, the automatic control module includes：Comparator, phase inverter and analog switch；
The first input end of the comparator is connected with the high power rectification module output end, the second input with it is described
Referrer module output end is connected；The inverter input is connected with the comparator output terminal；The analog switch control terminal
It is sub to be connected with the inverter output, described in the input terminal of the analog switch with the energy acquisition module output end phase
Even, the lead-out terminal of the analog switch is connected with the low-power rectification module input；
The comparator obtains and the output voltage and the reference voltage, generates for characterizing comparative result
Level signal, wherein, low level signal is less than the reference voltage for characterizing the output voltage, and high level signal is used for table
Levy the output voltage and be not less than the reference voltage；
The phase inverter carries out anti-phase processing to the level signal, obtains inverting level signal；
When the inverting level signal is high level signal, the analog switch control input terminal and lead-out terminal connect
It is logical；
When the inverting level signal is low level signal, the analog switch control input terminal and lead-out terminal are protected
Hold disconnection.
Preferably, the 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 the 3rd semiconductor rectifier
Voltage is the 3rd threshold value；
The 3rd match circuit input is connected with the lead-out terminal of the automatic control module；3rd semiconductor
Rectifier input is connected with the 3rd match circuit output end；The 3rd output filter circuit input and the described 3rd
Semiconductor rectifier output end is connected, and the 3rd output filter circuit output end is connected with first load blocks；
3rd match circuit passes through first impedance for matching the energy acquisition module and the 3rd rectification
4th impedance of filter unit, the AC signal is received, and the AC signal is sent to the 3rd semiconductor rectifier
Device；
The AC signal is converted into the 5th direct current for carrying the 3rd higher hamonic wave by the 3rd semiconductor rectifier
Signal；
3rd output filter circuit filters out the 3rd higher hamonic wave in the 5th direct current signal, obtains described
Second direct current signal is simultaneously exported to first load blocks.
A kind of microwave rectification method, it is described micro- applied to the microwave rectification device described in above-mentioned technical proposal any one
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 the high power rectification module is first threshold, institute
The cut-in voltage for stating referrer module is Second Threshold, and the cut-in voltage of the low-power rectification module is the 3rd threshold value, and institute
State Second Threshold and the 3rd threshold value is respectively less than the first threshold, the microwave rectification method includes：
The energy acquisition module gathers microwave signal, and the microwave signal is converted into corresponding AC signal；
The AC signal is converted into the first direct current signal by the high power rectification module；
The AC signal is converted into reference to direct current signal by the referrer module；
Output voltage corresponding to the automatic control module acquisition and first direct current signal and the reference are straight
Flow reference voltage corresponding to signal；
When the output voltage is less than the reference voltage, the automatic control module control input terminal and output end
Son is connected, and the low-power rectification module receives the AC signal, and the AC signal is converted into the second direct current signal simultaneously
Export to first load blocks；
When the output voltage is not less than the reference voltage, the automatic control module control input terminal and output
Terminal remains open, and the high power rectification module is by first DC signal output to first load blocks.
Preferably, when the 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, and first semiconductor rectifier is opened
When to open voltage be the first threshold, the AC signal is converted into the first direct current signal by the high power rectification module, bag
Include：
First match circuit passes through the first impedance for matching the energy acquisition module and first rectifying and wave-filtering
Second impedance of unit, the AC signal is sent to first semiconductor rectifier；
The AC signal is converted into the 3rd direct current for carrying the first higher hamonic wave by first semiconductor rectifier
Signal；
First output filter circuit filters out first higher hamonic wave in the 3rd direct current signal, obtains described
First direct current signal.
Preferably, when the referrer module includes the second match circuit and the second rectification filtering unit, second rectification
Filter unit includes the second semiconductor rectifier and the second output filter circuit, the cut-in voltage of second semiconductor rectifier
For the Second Threshold when, the AC signal is converted into reference to direct current signal by the referrer module, including：
Second match circuit passes through first impedance for matching the energy acquisition module and second rectification
3rd impedance of filter unit, the AC signal is sent to second semiconductor rectifier；
The AC signal is converted into the 4th direct current for carrying the second higher hamonic wave by second semiconductor rectifier
Signal；
Second output filter circuit filters out second higher hamonic wave in the 4th direct current signal, obtains described
With reference to direct current signal.
Preferably, it is described to automatically control mould when the automatic control module includes comparator, phase inverter and analog switch
Output voltage corresponding to block acquisition and first direct current signal and the reference voltage with reference to corresponding to direct current signal, bag
Include：
The comparator obtains and the output voltage and the reference voltage, generates for characterizing comparative result
Level signal, wherein, low level signal is less than the reference voltage for characterizing the output voltage, and high level signal is used for table
Levy the output voltage and be not less than the reference voltage；
The phase inverter carries out anti-phase processing to the level signal, obtains inverting level signal；
Accordingly, it is described when the output voltage is less than the reference voltage, the automatic control module control input
Terminal is connected with lead-out terminal, including：
When the inverting level signal is high level signal, the analog switch control input terminal and lead-out terminal connect
It is logical；
Accordingly, described when the output voltage is not less than the reference voltage, the automatic control module control is defeated
Enter terminal and lead-out terminal remains open, including：
When the inverting level signal is low level signal, the analog switch control input terminal and lead-out terminal are protected
Hold disconnection.
Preferably, when the 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, and the 3rd semiconductor rectifier is opened
When to open voltage be three threshold value, the low-power rectification module receives the AC signal, and the AC signal is converted
For the second direct current signal and export to first load blocks, including：
3rd match circuit passes through first impedance for matching the energy acquisition module and the 3rd rectification
4th impedance of filter unit, the AC signal is received, and the AC signal is sent to the 3rd semiconductor rectifier
Device；
The AC signal is converted into the 5th direct current for carrying the 3rd higher hamonic wave by the 3rd semiconductor rectifier
Signal；
3rd output filter circuit filters out the 3rd higher hamonic wave in the 5th direct current signal, obtains described
Second direct current signal is simultaneously exported to 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 provided by the invention above, the microwave signal that energy acquisition module will collect
AC signal is converted into, sends paramount power rectification module and referrer module, AC signal is through high power rectification module and reference
Module converter provides output voltage and reference voltage for the first direct current signal and with reference to direct current signal by corresponding direct current signal；
The power of AC signal is determined by comparing output voltage and reference voltage, that is, determines the power of microwave signal；Work as output voltage
During less than reference voltage, it was demonstrated that collection is low power microwave signal, to ensure the transformation efficiency of radio frequency-direct current, is automatically controlled
Module control input is connected with lead-out terminal 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, is
Ensure the transformation efficiency of radio frequency-direct current, automatic control module control input terminal remains open with lead-out terminal so that high power
Module sends the first direct current signal of conversion 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, so as in the micro- of wide scope
Also the transformation efficiency of good radio frequency-direct current is can guarantee that under ripple signal.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer 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 microwave rectification device part-structure schematic diagram disclosed in the embodiment of the present invention two；
Fig. 4 is another microwave rectification device part-structure schematic diagram disclosed in the embodiment of the present invention two；
Fig. 5 is another 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 microwave rectification method partial process view disclosed in the embodiment of the present invention four；
Fig. 9 is another microwave rectification method partial process view disclosed in the embodiment of the present invention four；
Figure 10 is another microwave rectification method partial process view disclosed in the embodiment of the present invention four.
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 describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to 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
Putting 100 includes：Energy acquisition module 101, high power rectification module 102, referrer module 103, automatic control module 104, low work(
Rate rectification module 105, first to be connected respectively with high power rectification module output end and low-power rectification module output end load
Module 106 and the second load blocks 107 being connected with referrer module output end；
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 output end 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 output end, the second input and referrer module output end phase
Even, the input terminal of automatic control module is connected with energy acquisition module output end, the lead-out terminal of automatic control module with it is 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 by referrer module 103；
Automatic control module 104 obtains and compares output voltage corresponding to the first direct current signal and corresponded to reference to direct current signal
Reference voltage；
When output voltage is less than reference voltage, the control input terminal of automatic control module 104 is connected with lead-out terminal, low
Power rectification module 105 receives AC signal, and AC signal is converted into the second direct current signal and exported to the first load blocks；
When output voltage is not less than reference voltage, the control input terminal of automatic control module 104 and lead-out terminal are kept
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 the antenna or aerial array for receiving microwave signal,
Can be specifically chosen according to actual conditions.
It should also be noted that, 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 be selected according to the actual requirements
Select.
It should also be noted that, 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, with reference to mould
Block, automatic control module, low-power rectification module, the first load blocks and the second load blocks form microwave rectification device.Energy
The microwave signal collected 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, output voltage and reference voltage is provided by corresponding direct current signal；When defeated
When going out voltage and being less than reference voltage, it was demonstrated that collection is low power microwave signal, to ensure the transformation efficiency of radio frequency-direct current, from
Dynamic control module control input terminal is connected with lead-out terminal so that it is straight that AC signal is converted into second by low-power rectification module
Flow signal 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, to ensure the transformation efficiency of radio frequency-direct current, automatic control module control input terminal is remained open with lead-out terminal, made
High power rectification module is obtained to send the first direct current signal of conversion to the first load blocks.As can be seen here, based on of the invention real
Commutation path can be automatically selected according to the watt level of microwave signal by applying microwave rectification device disclosed in example, so as 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, first rectification filtering unit 202 include first
The output filter circuit 2022 of semiconductor rectifier 2021 and first, the cut-in voltage of the first semiconductor rectifier 2021 are described the
One threshold value；
First match circuit input is connected with energy acquisition module output end；First semiconductor rectifier input and
One match circuit output end is connected；First output filter circuit input is connected with the first semiconductor rectifier output end, and first
Output filter circuit output end is connected with the first load blocks；
First match circuit 201 is by matching the first impedance and the 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 for carrying the first higher hamonic wave by the first semiconductor rectifier 2021；
First output filter circuit 2022 filters out 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,
Microwave signal can be arbitrarily converted into the device of direct current signal, can be specifically chosen according to being actually needed.
The microwave rectification device that the present embodiment provides, it is defeated using the first match circuit, the first semiconductor rectifier and first
Go out filter circuit and form high power rectification module.First match circuit is by matching the 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, led due to the first half
The cut-in voltage of body rectifier is above the cut-in voltage of referrer module and the cut-in voltage of low power module, therefore the first half lead
High-power AC signal can efficiently be converted into the 3rd direct current signal for carrying the first higher hamonic wave by body rectifier, then lead to
Cross the first output filter circuit to filter out the first higher hamonic wave, can obtain the first direct current signal.Disclosed based on the embodiment of the present invention
Microwave rectification device, when the power of microwave signal is higher, to ensure that the transformation efficiency of good radio frequency-direct current can pass through 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
With the rectification filtering unit 302 of circuit 301 and second, the second rectification filtering unit 302 includes the He of the second semiconductor rectifier 3021
Second output filter circuit 3022, the cut-in voltage of the second semiconductor rectifier 3021 is the Second Threshold；
Second match circuit input is connected with energy acquisition module output end；Second semiconductor rectifier input and
Two match circuit output ends are connected；Second output filter circuit input is connected with the second semiconductor rectifier output end, and second
Output filter circuit output end is connected with the second load blocks；
Second match circuit 301 is by matching the first impedance and the 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 for carrying the second higher hamonic wave by the second semiconductor rectifier 3021；
Second output filter circuit 3022 filters out the second higher hamonic wave in the 4th direct current signal, obtains believing with reference to direct current
Number.
It should be noted that the second semiconductor rectifier includes but is not limited to metal-oxide-semiconductor, diode or diode array,
Microwave signal can be arbitrarily converted into the device of direct current signal, can be specifically chosen according to being actually needed.
The microwave rectification device that the present embodiment provides, it is defeated using the second match circuit, the second semiconductor rectifier and second
Go out filter circuit and form referrer module.The AC signal of energy acquisition module generation is converted into through referrer module to be believed with reference to direct current
Number, by with reference to direct current signal provide reference voltage for automatic control module judge microwave signal power height provide reference according to
According to.When output voltage is less than reference voltage, it was demonstrated that AC signal is that (i.e. 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 (i.e. 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 according to caused by reference voltage and high power rectification module output voltage, automatically select
Whether low-power commutation path is opened, so as to 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 output end, and the second input exports 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 for intending switch is connected with energy acquisition module output end, and analoging switch output end inputs with low-power rectification module
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 less than the reference voltage for characterizing output voltage, and high level signal is used to characterize output voltage not
Less than the reference voltage；
Phase inverter 402 carries out anti-phase processing to level signal, obtains inverting level signal；
When inverting level signal is high level signal, the control input terminal of analog switch 403 is connected with lead-out terminal；
When inverting level signal is low level signal, the control input terminal of analog switch 403 and lead-out terminal keep disconnected
Open.
It should be noted that comparator can use NMOS tube, PMOS and BJT (transistor) cascades to form, simulation
Switch available radio frequencies switch to substitute, can specifically carry out according to the actual requirements specifically chosen.
The microwave rectification device that the present embodiment provides, formed using comparator, phase inverter and analog switch and automatically control 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, high level signal is exported.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 adds phase inverter.It is 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, so as to which when microwave signal power is low, low-power rectification module can be opened, when microwave signal power is high, by low-power
Rectification module disconnects, to ensure also realize 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, the 3rd rectification filtering unit 502 include the 3rd
The output filter circuit 5022 of semiconductor rectifier 5021 and the 3rd, the cut-in voltage of the 3rd semiconductor rectifier 5021 are 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 output end；3rd output filter circuit input is connected with the 3rd semiconductor rectifier output end,
3rd output filter circuit output end is connected with the first load blocks；
3rd match circuit 501 is by matching 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 for carrying the 3rd higher hamonic wave by the 3rd semiconductor rectifier 5021；
3rd output filter circuit 5022 filters out 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,
Microwave signal can be arbitrarily converted into the device of direct current signal, can be specifically chosen according to being actually needed.
The microwave rectification device that the present embodiment provides, it is defeated using the 3rd match circuit, the 3rd semiconductor rectifier and the 3rd
Go out filter circuit and form low-power rectification module.3rd match circuit is by matching the first impedance and the 3rd of energy acquisition module
4th impedance of rectification filtering unit, the AC signal of low-power is sent to the 3rd semiconductor rectifier, led due to the 3rd half
The cut-in voltage of body rectifier is less than the cut-in voltage of high power rectification module, therefore the 3rd semiconductor rectifier can be by low-power
AC signal be efficiently converted into the 5th direct current signal for carrying the 3rd higher hamonic wave, then pass through the 3rd output filter circuit
3rd higher hamonic wave is filtered out, can obtain 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, to ensure that it is straight that the transformation efficiency of good radio frequency-direct current can be carried out by low-power rectification module
Circulationization.
Embodiment three
The microwave rectification device provided based on each embodiment of the invention described above, the present embodiment three then correspond to disclose it is 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 collection microwave signal, and microwave signal is converted into corresponding AC signal；
AC signal is converted into the first direct current signal by S602, high power rectification module；
AC signal is converted into reference to direct current signal by S603, referrer module；
S604, automatic control module obtain and compare output voltage corresponding to the first direct current signal and refer 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, and AC signal is converted into the second direct current signal and exported 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.
The microwave signal collected is converted into friendship by microwave rectification method disclosed in the embodiment of the present invention, energy acquisition module
Signal is flowed, AC signal is converted into the first direct current signal and with reference to 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, to ensure the transformation efficiency of radio frequency-direct current, automatic control module control input terminal connects with lead-out terminal
It is logical so that AC signal is converted into the second direct current signal and sent to the first load blocks by low-power rectification module；Work as output
When voltage is not less than reference voltage, it was demonstrated that collection is High-Power Microwave signal, to ensure the transformation efficiency of radio frequency-direct current, from
Dynamic control module control input terminal remains open with lead-out terminal so that high power rectification module believes the first direct current of conversion
Number send to the first load blocks.As can be seen here, can be believed based on microwave rectification method disclosed in the embodiment of the present invention according to microwave
Number watt level automatically select commutation path, so as to 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
Kind 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 specific implementation procedure of the first direct current signal by step S602 high powers rectification module,
As shown in fig. 7, comprises following steps：
S701, the first match circuit by match energy acquisition module the first impedance and the first rectification filtering unit
Two impedances, AC signal is sent to the first semiconductor rectifier；
AC signal is converted into the 3rd direct current letter for carrying the first higher hamonic wave by S702, the first semiconductor rectifier
Number；
S703, the first output filter circuit filter out the first higher hamonic wave in the 3rd direct current signal, obtain the first direct current letter
Number.
The microwave rectification method that the present embodiment provides, the first match circuit is by matching 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 rectifier is above the cut-in voltage of referrer module and the cut-in voltage of low power module, therefore
High-power AC signal can efficiently be converted into the 3rd direct current letter for carrying the first higher hamonic wave by semiconductor rectifier
Number, then filtered out the first higher hamonic wave by the first output filter circuit, it can obtain 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, to ensure that the transformation efficiency of 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
Kind 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 specific implementation procedure with reference to direct current signal by step S603 referrer modules, as shown in figure 8, including
Following steps：
S801, the second match circuit by match energy acquisition module the first impedance and the second rectification filtering unit
Three impedances, AC signal is sent to the second semiconductor rectifier；
AC signal is converted into the 4th direct current letter for carrying the second higher hamonic wave by S802, the second semiconductor rectifier
Number；
S803, the second output filter circuit filter out the second higher hamonic wave in the 4th direct current signal, obtain believing with reference to direct current
Number.
The microwave rectification method that the present embodiment provides, the AC signal of energy acquisition module generation are converted into through referrer module
With reference to direct current signal, by the reference voltage provided with reference to direct current signal, for the height of automatic control module judgement 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 (i.e. believe by microwave
Number it is 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 export according to caused by reference voltage and high power rectification module
Voltage, automatically select and whether open low-power commutation path, so as to also can guarantee that good penetrate under the microwave signal of wide scope
Frequently the transformation efficiency of-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
Kind microwave rectification method, when automatic control module includes comparator, phase inverter and analog switch, step S604 automatically controls mould
Block obtains and compares output voltage corresponding to the first direct current signal and refer to the specific execution of reference voltage corresponding to direct current signal
Process, as shown in figure 9, comprising the following steps：
S901, comparator obtain and compare output voltage and the reference voltage, generate the electricity for characterizing comparative result
Ordinary mail number, wherein, low level signal is less than reference voltage for characterizing output voltage, and high level signal is used to characterize output voltage
Not less than reference voltage；
S902, phase inverter carry out anti-phase processing to level signal, obtain inverting level signal；
Accordingly, in step S605 when output voltage is less than reference voltage, automatic control module control input terminal and
Lead-out terminal connect specific 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
It is with the specific implementation procedure that lead-out terminal remains open：When inverting level signal is low level signal, analog switch control
Input terminal and lead-out terminal remain open.
The microwave rectification method that the present embodiment provides, comparator are believed by comparing output voltage and reference voltage output level
Number；When output voltage is less than reference voltage, low level signal is exported；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
The break-make of low-power commutation path is automatically controlled with reference voltage, so as to which when microwave signal power is low, it is whole low-power can be opened
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
Kind 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, low-power rectification module receives AC signal in step S605, and AC signal is converted into the second direct current signal and defeated
Go out to the specific implementation procedure of the first load blocks, as shown in Figure 10, comprise the following steps：
S1001, the 3rd match circuit is by matching the first impedance and the 3rd rectification filtering unit of energy acquisition module
4th impedance, AC signal is received, and AC signal is sent to the 3rd semiconductor rectifier；
Stream signal is converted into the 5th direct current signal for carrying the 3rd higher hamonic wave by S1002, the 3rd semiconductor rectifier；
S1003, the 3rd output filter circuit filter out the 3rd higher hamonic wave in the 5th direct current signal, obtain the second direct current letter
Number and export to the first load blocks.
The microwave rectification method that the present embodiment provides, it is defeated using the 3rd match circuit, the 3rd semiconductor rectifier and the 3rd
Go out filter circuit and form low-power rectification module.3rd match circuit is by matching the first impedance and the 3rd of energy acquisition module
4th impedance of rectification filtering unit, the AC signal of low-power is sent to the 3rd semiconductor rectifier, led due to the 3rd half
The cut-in voltage of body rectifier is less than the cut-in voltage of high power rectification module, therefore the 3rd semiconductor rectifier can be by low-power
AC signal be efficiently converted into the 5th direct current signal for carrying the 3rd higher hamonic wave, then pass through the 3rd output filter circuit
3rd higher hamonic wave is filtered out, can obtain 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, to ensure that it is straight that the transformation efficiency of good radio frequency-direct current can be carried out by low-power rectification module
Circulationization.
A kind of microwave energy fairing provided by the present invention and method are described in detail above, herein should
The principle and embodiment of the present invention are set forth with specific case, the explanation of above example is only intended to help and managed
Solve the method and its core concept of the present invention；Meanwhile for those of ordinary skill in the art, according to the thought of the present invention,
There will be changes in embodiment and application, in summary, this specification content should not be construed as to this hair
Bright limitation.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight
Point explanation is all difference with other embodiment, between each embodiment identical similar part mutually referring to.
For device disclosed in embodiment, because it is corresponded to the method disclosed in Example, so fairly simple, the phase of description
Part is closed referring to method part illustration.
It should also be noted that, herein, such as first and second or the like relational terms are used merely to one
Entity or operation make a distinction with another entity or operation, and not necessarily require or imply between these entities or operation
Any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant are intended to contain
Lid nonexcludability includes, so that the key element that process, method, article or equipment including a series of elements are intrinsic,
Either also include for these processes, method, article or the intrinsic key element of equipment.In the absence of more restrictions,
The key element limited by sentence "including a ...", it is not excluded that in the process including the key element, method, article or equipment
In other identical element also be present.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
- A kind of 1. microwave rectification device, it is characterised in that including：Energy acquisition module, high power rectification module, referrer module, Automatic control module, low-power rectification module, respectively with the high power rectification module output end and the low-power rectification mould The first connected load blocks of block output end and the second load blocks being connected with the referrer module output end；Wherein, the cut-in voltage of the high power rectification module is first threshold, and the cut-in voltage of the referrer module is second Threshold value, the cut-in voltage of the low-power rectification module is the 3rd threshold value, and the Second Threshold and the 3rd threshold value are equal Less than the first threshold；The energy acquisition module output end respectively with the high power rectification module input and the referrer module input It is connected；The first input end of the automatic control module is connected with the high power rectification module output end, the second input with The referrer module output end is connected, the input terminal of the automatic control module and the energy acquisition module output end phase Even, the lead-out terminal of the automatic control module is connected with the low-power rectification module input；The energy acquisition module gathers microwave signal, and the microwave signal is converted into corresponding AC signal；The AC signal is converted into the first direct current signal by the high power rectification module；The AC signal is converted into reference to direct current signal by the referrer module；Output voltage corresponding to the automatic control module acquisition and first direct current signal and the reference direct current are believed Reference voltage corresponding to number；When the output voltage is less than the reference voltage, the automatic control module control input terminal and lead-out terminal connect Logical, the low-power rectification module receives the AC signal, and the AC signal is converted into the second direct current signal and exported To first load blocks；When the output voltage is not less than the reference voltage, the automatic control module control input terminal and lead-out terminal Remain open, the high power rectification module is by first DC signal output to first load blocks.
- 2. microwave rectification device according to claim 1, it is characterised in that the high power rectification module includes：First Match circuit and the first rectification filtering unit, first rectification filtering unit include the first semiconductor rectifier and the first output Filter circuit, the cut-in voltage of first semiconductor rectifier is the first threshold；The first match circuit input is connected with the energy acquisition module output end；First semiconductor rectifier is defeated Enter end with the first match circuit output end to be connected；The first output filter circuit input and first semiconductor are whole Stream device output end is connected, and the first output filter circuit output end is connected with first load blocks；First match circuit passes through the first impedance for matching the energy acquisition module and first rectification filtering unit The second impedance, the AC signal is sent to first semiconductor rectifier；The AC signal is converted into the 3rd direct current signal for carrying the first higher hamonic wave by first semiconductor rectifier；First output filter circuit filters out first higher hamonic wave in the 3rd direct current signal, obtains described first Direct current signal.
- 3. microwave rectification device according to claim 1, it is characterised in that the referrer module includes：Second matching electricity Road and the second rectification filtering unit, second rectification filtering unit include the second semiconductor rectifier and the second output filtered electrical Road, the cut-in voltage of second semiconductor rectifier is the Second Threshold；The second match circuit input is connected with the energy acquisition module output end；Second semiconductor rectifier is defeated Enter end with the second match circuit output end to be connected；The second output filter circuit input and second semiconductor are whole Stream device output end is connected, and the second output filter circuit output end is connected with second load blocks；Second match circuit passes through the first impedance for matching the energy acquisition module and second rectification filtering unit The 3rd impedance, the AC signal is sent to second semiconductor rectifier；The AC signal is converted into the 4th direct current signal for carrying the second higher hamonic wave by second semiconductor rectifier；Second output filter circuit filters out second higher hamonic wave in the 4th direct current signal, obtains the reference Direct current signal.
- 4. microwave rectification device according to claim 1, it is characterised in that the automatic control module includes：Comparator, Phase inverter and analog switch；The first input end of the comparator is connected with the high power rectification module output end, the second input and the reference Module output end is connected；The inverter input is connected with the comparator output terminal；The analog switch control terminal with The inverter output is connected, and the input terminal of the analog switch is connected with the energy acquisition module output end, described The lead-out terminal of analog switch is connected with the low-power rectification module input；The comparator obtains and the output voltage and the reference voltage, generates the level for characterizing comparative result Signal, wherein, low level signal is less than the reference voltage for characterizing the output voltage, and high level signal is used to characterize institute State output voltage and be not less than the reference voltage；The phase inverter carries out anti-phase processing to the level signal, obtains inverting level signal；When the inverting level signal is high level signal, the analog switch control input terminal is connected with lead-out terminal；When the inverting level signal is low level signal, the analog switch control input terminal and lead-out terminal keep disconnected Open.
- 5. microwave rectification device according to claim 1, it is characterised in that the low-power rectification module includes：3rd Match circuit and the 3rd rectification filtering unit, the 3rd rectification filtering unit include the 3rd semiconductor rectifier and the 3rd output Filter circuit, the cut-in voltage of the 3rd semiconductor rectifier is the 3rd threshold value；The 3rd match circuit input is connected with the lead-out terminal of the automatic control module；3rd semiconductor rectifier Device input is connected with the 3rd match circuit output end；The 3rd output filter circuit input is led with the described 3rd half Body rectifier output end is connected, and the 3rd output filter circuit output end is connected with first load blocks；3rd match circuit passes through the first impedance for matching the energy acquisition module and the 3rd rectification filtering unit The 4th impedance, receive the AC signal, and the AC signal is sent to the 3rd semiconductor rectifier；The AC signal is converted into the 5th direct current signal for carrying the 3rd higher hamonic wave by the 3rd semiconductor rectifier；3rd output filter circuit filters out the 3rd higher hamonic wave in the 5th direct current signal, obtains described second Direct current signal is simultaneously exported to first load blocks.
- A kind of 6. microwave rectification method, it is characterised in that applied to the microwave rectification dress described in Claims 1 to 5 any one Put, the 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 the high power rectification module is first Threshold value, the cut-in voltage of the referrer module is Second Threshold, and the cut-in voltage of the low-power rectification module is the 3rd threshold value, And the Second Threshold and the 3rd threshold value are respectively less than the first threshold, the microwave rectification method includes：The energy acquisition module gathers microwave signal, and the microwave signal is converted into corresponding AC signal；The AC signal is converted into the first direct current signal by the high power rectification module；The AC signal is converted into reference to direct current signal by the referrer module；Output voltage corresponding to the automatic control module acquisition and first direct current signal and the reference direct current are believed Reference voltage corresponding to number；When the output voltage is less than the reference voltage, the automatic control module control input terminal and lead-out terminal connect Logical, the low-power rectification module receives the AC signal, and the AC signal is converted into the second direct current signal and exported To first load blocks；When the output voltage is not less than the reference voltage, the automatic control module control input terminal and lead-out terminal Remain open, the high power rectification module is by first DC signal output to first load blocks.
- 7. microwave rectification method according to claim 6, it is characterised in that when the high power rectification module includes first Match circuit and the first rectification filtering unit, first rectification filtering unit include the first semiconductor rectifier and the first output Filter circuit, when the cut-in voltage of first semiconductor rectifier is the first threshold, the high power rectification module will The AC signal is converted into the first direct current signal, including：First match circuit passes through the first impedance for matching the energy acquisition module and first rectification filtering unit The second impedance, the AC signal is sent to first semiconductor rectifier；The AC signal is converted into the 3rd direct current signal for carrying the first higher hamonic wave by first semiconductor rectifier；First output filter circuit filters out first higher hamonic wave in the 3rd direct current signal, obtains described first Direct current signal.
- 8. microwave rectification method according to claim 6, it is characterised in that when the referrer module includes the second matching electricity Road and the second rectification filtering unit, second rectification filtering unit include the second semiconductor rectifier and the second output filtered electrical Road, when the cut-in voltage of second semiconductor rectifier is the Second Threshold, the referrer module is by the AC signal It is converted into and refers to direct current signal, including：Second match circuit passes through the first impedance for matching the energy acquisition module and second rectification filtering unit The 3rd impedance, the AC signal is sent to second semiconductor rectifier；The AC signal is converted into the 4th direct current signal for carrying the second higher hamonic wave by second semiconductor rectifier；Second output filter circuit filters out second higher hamonic wave in the 4th direct current signal, obtains the reference Direct current signal.
- 9. microwave rectification method according to claim 6, it is characterised in that when the automatic control module includes comparing When device, phase inverter and analog switch, the automatic control module obtains and the corresponding output electricity of first direct current signal Pressure and the reference voltage with reference to corresponding to direct current signal, including：The comparator obtains and the output voltage and the reference voltage, generates the level for characterizing comparative result Signal, wherein, low level signal is less than the reference voltage for characterizing the output voltage, and high level signal is used to characterize institute State output voltage and be not less than the reference voltage；The phase inverter carries out anti-phase processing to the level signal, obtains inverting level signal；Accordingly, it is described when the output voltage is less than the reference voltage, the automatic control module control input terminal Connected with lead-out terminal, including：When the inverting level signal is high level signal, the analog switch control input terminal is connected with lead-out terminal；Accordingly, it is described when the output voltage is not less than the reference voltage, the automatic control module control signal Son and lead-out terminal remain open, including：When the inverting level signal is low level signal, the analog switch control input terminal and lead-out terminal keep disconnected Open.
- 10. microwave rectification method according to claim 6, it is characterised in that when the low-power rectification module includes the Three match circuits and the 3rd rectification filtering unit, the 3rd rectification filtering unit are defeated including the 3rd semiconductor rectifier and the 3rd Go out filter circuit, when the cut-in voltage of the 3rd semiconductor rectifier is three threshold value, the low-power rectification module The AC signal is received, the AC signal is converted into the second direct current signal and exported to first load blocks, bag Include：3rd match circuit passes through the first impedance for matching the energy acquisition module and the 3rd rectification filtering unit The 4th impedance, receive the AC signal, and the AC signal is sent to the 3rd semiconductor rectifier；The AC signal is converted into the 5th direct current signal for carrying the 3rd higher hamonic wave by the 3rd semiconductor rectifier；3rd output filter circuit filters out the 3rd higher hamonic wave in the 5th direct current signal, obtains described second Direct current signal is simultaneously exported to first load blocks.
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