CN104548289B - The extremely automatic sensing structure of the atomizer of replaceable fog-spray nozzle - Google Patents
The extremely automatic sensing structure of the atomizer of replaceable fog-spray nozzle Download PDFInfo
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- CN104548289B CN104548289B CN201410782885.5A CN201410782885A CN104548289B CN 104548289 B CN104548289 B CN 104548289B CN 201410782885 A CN201410782885 A CN 201410782885A CN 104548289 B CN104548289 B CN 104548289B
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Abstract
The present invention discloses a kind of extremely automatic sensing structure of the atomizer of replaceable fog-spray nozzle, for host groups socket part, group connects fog-spray nozzle or when replacing group connects detachable fog-spray nozzle first, except MCU micro computers can adjust automatically go out piezoelectric element frequency optimum traffic in addition to, when forming resonance state according to frequency after adjustment, piezoelectric element impedance is minimum, and electric current, voltage phase difference is zero electrical relationship, normal spraying uses process, as long as current/voltage phase-comparison circuit one have Cutoff current/voltage phase difference be not zero or keep off zero abnormal case, micro computer can be triggered and chase after frequency prompting device, inform to re-operate and chase after the working frequency that frequency switch readjusts out piezoelectric element, and the invalid frequency prompting device that chases after is readjusted by one or many still maintain prompting, simple judgment fog-spray nozzle needs maintenance or replacing；Accordingly, the normal spraying of atomizer is used, and can obtain convenient management and the benefit safeguarded by abnormal automatic detection.
Description
Technical field
The present invention be relevant a kind of spraying it is abnormal can sensing structure automatically, can simple judgment fog-spray nozzle whether need maintenance
Or change, espespecially normal spraying is used, the extremely automatic detection of atomizer with convenient management with the replaceable fog-spray nozzle safeguarded
Structure.
Background technology
Recently the inhalation-type drug administration atomizer that application micro-electromechanical technology is developed, can produce superfine micro- droplet to make medicament trickle
Change, lift drug absorption curative effect, and because this atomizer is easy to carry with, brought great convenience to patient, however, atomization
After device carries out liquid pharmaceutical atomization work for a long time, often there is the problem that fog-spray nozzle easily blocks, due to being not easily cleaned, so that having one
The fog-spray nozzle of kind atomizer can carry out dismounting and change the outfit, and also have patient medical health, the advantage of safety concurrently.
Substantially, detachably change the outfit the atomizer of fog-spray nozzle, and the technical problem faced when fog-spray nozzle is changed is spraying
The piezoelectricity enable component of head, because each component material or it is all variant with vibration characteristics between each porous metals spray nozzle sheet (and
It is inconsistent), causing the working frequency of piezoelectric element must adjust, the atomization that cannot otherwise bring into normal play；Though located by prior art
Have to this problem, make as directly (vibrating perceptron) obtains the side that feedback signal enters line frequency adjustment from piezoelectric element
Case, but this feedback signal accuracy is high, easy erroneous judgement；Therefore, commonly using TaiWan, China such as announces No. M378790 " detachably
The micro-atomizing device construction of shower nozzle " patent of invention case, then come through variable resistor or variable capacitance (manual) adjustment mode
Reach frequency conversion or regulation sets out the working frequency of piezoelectric element, but, the user (consumer) of atomizer, without electric
Under the auxiliary of detecting instrument, can have no to be referred to when any science data are available for modulation because of adjustment process, truly have and be difficult to recall most preferably
The difficulty of working frequency, and this improving countermeasure, also result in fog-spray nozzle change after, manual frequency modulation inconvenience with do not know how frequency modulation
Puzzlement；Preceding patent application number of the invention is 201210009460.1 Chinese invention patent " the detachable spraying of atomizer
Head resonance frequency adjusting method and structure ", then be to chase after frequency technology using micro computer, and adjust automatically goes out the resonance of piezoelectric element (most
Good work) frequency, it is to avoid inconvenience or error that manual frequency adjustment is caused, but this one chases after frequency technology and ties up to fog-spray nozzle on new clothes
When the working frequency that adjusts out and locked, spray backward during use, piezoelectric element maintains what is locked herein always
Operation at frequencies, even if exception occur in piezoelectric element or spray nozzle sheet has had influence on micro- droplet granular degree, atomizer simultaneously cannot
Make the detection that must readjust piezoelectric element working frequency in good time.
That is, medicament can influence drug absorption using the superfine micro- droplet produced by atomizer, the degree of its granular
Effect, the small difference of granular degree cannot be judged usually using person from the micro- mist outward appearance for spraying, and treated big difference and found substantially
When spraying abnormal, one section of invalid or effect on driving birds is not good absorption course for the treatment of may be lived through；For example, the obstructing problem of spray nozzle sheet,
It is slowly to block, it is substantially abnormal rather than spraying is just clogged in a short time, it is however generally that, the feelings that spray nozzle sheet one slightly blocks
Shape, the natural frequency that piezoelectric element is combined with spray nozzle sheet may start change or abnormal change, at this moment, the former adjustment of micro computer
The working frequency of locking may or not be preferable resonant frequency, and therefore the degree of micro- droplet granular also can should somewhat become
Difference；And the degree that this is deteriorated, even more with the more and more seriously and more and more obvious of spray nozzle sheet degree of congestion, when micro- droplet is trickle
Degree is substantially deteriorated when must change fog-spray nozzle, and piezoelectric element may or work a period of time under anti-resonance frequency, make
Atomizer of the user within this time is used, and often because assimilation effect is bad or not good, and is reduced or is lost effect；If atomization
Device in itself, can whether the working frequency of detection piezoelectric element is resonant frequency at any time in use, then said circumstances, from can pass through
The in good time of working frequency chases after frequency and adjustment to be improved again；In addition, the non-exception under resonant frequency state of piezoelectric element,
Only piezoelectric element and or spray nozzle sheet there is gross distortion, breakage, wire dropout or assemble incorrect exception, and cannot lead to
Cross micro computer and adjust out resonant frequency, the situation for if being only slight deformation changing slightly natural frequency, when atomizer sheet
When body has the test function whether piezoelectric element works under resonance state, be also can by working frequency chase after again frequency and
Adjust to maintain normal spray effect；Therefore, the atomizer of replaceable fog-spray nozzle, adjusts except frequency technology is chased after to solve resonant frequency
Outside a difficult important breakthrough invention, how whether detection piezoelectric element is in work under resonance state in atomizer use
Make, will be the new thinking in atomizer evolution innovation.
The content of the invention
The main object of the present invention is to provide a kind of extremely automatic sensing structure of the atomizer of replaceable fog-spray nozzle, is a mist
Change device, include a detachable fog-spray nozzle, a main frame and a liquor filling tank；The fog-spray nozzle, is to set one inside a spray orifice
Piezoelectric element and a spray nozzle sheet are used as spraying generating unit；One main frame, the fog-spray nozzle electric connection is provided with a group connecting part, and
Inside is to provide power for operation to a circuit board by a battery, has a MCU micro computers, an AMP power amplifications on the circuit board
Unit, an electric current feedback signal generation unit, a voltage feedback signal generation unit, a current/voltage phase-comparison circuit；Should
One micro computer, is a surface of the main frame to be accessed and picked out a spray switch, one chase after frequency switch and one chase after frequency prompting device；Should
One power amplification unit, is and the output end of the pole of a power amplification unit two using the micro computer as signal input part, then with
Piezoelectric element in the fog-spray nozzle is electrically connected with, and on the output end circuit of two pole, is also in series with a resistance and is parallel with two
Resistance；The one electric current feedback signal output unit, is the resistance two by being connected between the power amplification unit and the piezoelectric element
End, the change of detection electric signal, and to the micro computer output current feedback value signal；The one voltage feedback signal generation unit,
It is to be connected on circuit by two resistance in parallel between the power amplification unit and the piezoelectric element and the detection electricity between two resistance
The change of signal；The one current/voltage phase-comparison circuit, is to obtain current waveform by the electric current feedback signal generation unit to return
Credit number and voltage waveform feedback signal is obtained by the voltage feedback signal generation unit, and produce current/voltage phase difference
Judge signal output to micro computer；One liquor fills tank, connects with spraying generating unit one end of the fog-spray nozzle, and inside has
Communicated with the spraying generating unit, and for providing the liquor room of liquor filling；Group connects fog-spray nozzle first to make main frame group connecting part
Or when completing fog-spray nozzle replacing, the operation of frequency switch is chased after, a default frequency and more than one detection are progressively sent out except micro computer
Frequency, can chase after frequency and process or compare by electric current feedback signal generation unit output current feedback value signal to micro computer,
Adjust automatically goes out outside the frequency optimum traffic of piezoelectric element, ac power frequency exported according to power amplification unit after adjustment etc.
When piezoelectric element natural frequency forms resonance state, piezoelectric element impedance is minimum value, and electric current, voltage phase difference are zero
Electrical relationship, then when the operation by spray switch, make normal spraying of piezoelectric element when being worked under frequency optimum traffic
With process, if current/voltage phase-comparison circuit one have Cutoff current/voltage phase difference be not zero or keep off zero exception
Situation, micro computer can trigger this and chase after frequency prompting device, inform the work for re-operating and chasing after and switch frequently and readjust out piezoelectric element
Frequency, and invalid this is readjusted by one or many chase after frequency prompting device and still maintain prompting, simple judgment fog-spray nozzle needs
Maintenance or replacing；Accordingly, the normal spraying of atomizer is used, and can obtain convenient management and dimension by abnormal automatic detection
The benefit of shield.
Of the invention time a purpose is to provide a kind of extremely automatic sensing structure of the atomizer of replaceable fog-spray nozzle, wherein,
Also there is the cell voltage circuit for detecting of the detection battery power status, and the cell voltage on circuit board inside the main frame
The signal output part of circuit for detecting, is electrically connected with the micro computer, and is picked out on a surface by the micro computer to the main frame
There is an electric power prompting device；Make when battery electric power is not enough, and when having an impact piezoelectric element normal work, electricity is detected by cell voltage
The detecting and detection on road, are that can trigger electric power prompting device by micro computer, and informing must change battery, it is to avoid failure spray event
Occur；And the electric power prompting device, it is a LED light emitting diodes, the flicker that can trigger the electric power prompting device by the micro computer is sent out
Light or show bright action, point out battery electric power close to it is not enough or deficiency.
Another object of the present invention is to provide a kind of extremely automatic sensing structure of the atomizer of replaceable fog-spray nozzle, wherein,
Also there is a water level circuit for detecting on circuit board inside the main frame, and, it is additionally provided with the liquor room of liquor filling tank
One as the water level circuit for detecting input level sensor, and the water level circuit for detecting output end, be and the micro computer
It is electrically connected, and a Water level prompter has been picked out on a surface by the micro computer to the main frame；Make to fill the liquid of tank when liquor
When liquor is reduced to certain degree in agent room, water level circuit for detecting is that can pass through water level of the level sensor in liquor room
State senses and detection, exports low water level signal to micro computer, you can triggers Water level prompter by the micro computer, informs necessary
Carry out liquor supplement, in addition liquor room it is almost anhydrous when, micro computer can also stop the effect of spray switch, be automatically switched off piezoelectricity
Component, it is to avoid piezoelectric element and or the anhydrous damage of spray nozzle sheet situation occur；The above-mentioned Water level prompter, is that a LED lights again
Diode, can by the micro computer triggering Water level prompter flashing or show bright action, point out require supplementation with liquor or because
Liquor is very few, has stopped spraying.
It is a further object of the present invention to provide a kind of extremely automatic sensing structure of the atomizer of replaceable fog-spray nozzle, wherein,
The micro computer chases after frequency prompting device to what the surface of main frame one picked out, is a LED light emitting diodes, can be chased after by micro computer triggering
The aobvious bright or flashing action of frequency prompting device, points out piezoelectric element to fail the start or failed under frequency optimum traffic.
Brief description of the drawings
Fig. 1 is embodiment schematic diagram when fog-spray nozzle of the present invention is disassembled；
Fig. 2 is the view before being connect with host groups after fog-spray nozzle of the present invention combination liquor filling tank；
Fig. 3 is state appearance schematic diagram when fog-spray nozzle of the present invention connects with main frame completion group；
Fig. 4 is sectional view when fog-spray nozzle of the present invention connects with main frame completion group；
Fig. 5 is the every exception sensing structure schematic diagram of piezoelectric element frequency of the present invention adjustment.
Description of reference numerals：10- fog-spray nozzles；100- spraying generating units；11- spray orifices；Piezoelectric element 12；13- spray nozzle sheets；
20- main frames；21- group connecting parts；22- spray switches；23- chases after frequency switch；24- chases after frequency prompting device；25- electric power prompting devices；26- water levels
Prompting device；30- liquors fill tank；31- liquor rooms；32- level sensors；40- batteries；50- circuit boards；51- micro computers；
52- power amplification units；53- electric current feedback signal generation units；54- voltage feedback signal generation units；55- current/voltages
Phase-comparison circuit；56- cell voltage circuit for detecting；57- water level circuit for detecting；R1, R2, R3- resistance；60- liquors.
Specific embodiment
A kind of extremely automatic sensing structure of the atomizer of replaceable fog-spray nozzle, such as Fig. 1,2,3,4 are an atomizers, including
There are a detachable fog-spray nozzle 10, a main frame 20 and a liquor filling tank 30；The fog-spray nozzle 10, is to set one inside a spray orifice 11
The spray nozzle sheet 13 of piezoelectric element 12 and is used as spraying generating unit 100；One main frame 20, the fog-spray nozzle is provided with a group connecting part 21
10 electric connections, such as Fig. 4,5, and inside is to provide power for operation by 40 pairs of circuit boards 50 of a battery, is had on the circuit board 50
There are a MCU micro computers 51, an AMP power amplification units 52, an electric current feedback signal generation unit 53, a voltage feedback signal to produce
Raw unit 54, a current/voltage phase-comparison circuit 55；As shown in Fig. 3,5, a micro computer 51 is to the main frame 20
Access and picked out a spray switch 22, and chase after frequency switch 23 and one chase after frequency prompting device 24 in surface；As shown in Figure 4,5, a work(
Rate amplifying unit 52, be using the micro computer 51 as signal input part, and secondly the output end of pole, then with the fog-spray nozzle 10 in
Piezoelectric element 12 is electrically connected with, and on the output end circuit of two pole, be also in series with a resistance R1 and be parallel with two resistance R2,
R3；The one electric current feedback signal output unit 53, is the electricity by being connected between the power amplification unit 52 and the piezoelectric element 12
Resistance R1 two ends, the change of detection electric signal, and to the output current feedback value signal of micro computer 51；The one voltage feedback signal is produced
Raw unit 54, be connected on circuit by two resistance R2, R3 in parallel between the power amplification unit 52 and the piezoelectric element 12 and
The change of detection electric signal between two resistance R2, R3；The one current/voltage phase-comparison circuit 55, is by the electric current feedback
Signal generation unit 53 obtains current waveform feedback signal and obtains voltage waveform time by the voltage feedback signal generation unit 54
Credit number, and the judgement signal output of current/voltage phase difference is produced to micro computer 51；As shown in Figure 1,2,3, 4, a liquor
Filling tank 30, connects with one end of spraying generating unit 100 of the fog-spray nozzle 10, and it is internal have communicated with the spraying generating unit 100,
And for providing the liquor room 31 of the filling of liquor 60；As shown in Fig. 3,4,5, group connects spraying first to make the group connecting part 21 of main frame 20
First 10 or complete fog-spray nozzle 10 change when, chase after frequency switch 23 operation, except micro computer 51 progressively sends out a default frequency and one
Detection frequency above, can be chased after by the output current feedback value signal of electric current feedback signal generation unit 53 to micro computer 51
Frequency is processed or compared, and adjust automatically goes out outside best effort (resonance) frequency of piezoelectric element 12, according to power amplification list after adjustment
When the ac power frequency f of the output of unit 52 is equal to the natural frequency fr of piezoelectric element 12 and forms resonance state (f=fr), piezoelectricity group
The impedance of part 12 (Z, Ao Mu) is minimum value (Min), and electric current, voltage phase difference (φ) be zero (φ=0, thus electric current I be Max most
Big value, the i.e. start power of piezoelectric element 12 is the Max maximums of normal spraying) electrical relationship, then when by spray switch 22
Operation, normal spraying of the piezoelectric element 12 when start under frequency optimum traffic (resonant frequency) is used process, as long as electric
Stream/voltage-phase comparison circuit 55 1 have Cutoff current/voltage phase difference (φ) be not zero or keep off zero abnormal case (φ
≠ 0 ° ± a °, a is a smaller constant of setting), micro computer 51 is that meeting (NG) triggering chases after frequency prompting device 24, informs user's weight
New operation chases after frequency switch 23 and readjusts out work (resonance) frequency of piezoelectric element 12, and readjusts nothing by one or many
The frequency prompting device 24 that chases after of effect (cannot recall resonant frequency) still maintains to point out, and simple judgment fog-spray nozzle 10 needs maintenance or more
Change；Accordingly, the normal spraying of atomizer is used, can by (during 12 non-resonant behavior of piezoelectric element) abnormal automatic detection,
Obtain convenient management and the benefit safeguarded.
According to above-described embodiment, wherein, such as Fig. 3,4,5, also it is somebody's turn to do with a detection on the circuit board 50 inside the main frame 20
The cell voltage circuit for detecting 56 of the power state of battery 40, and the cell voltage circuit for detecting 56 signal output part, be and this
Micro computer 51 is electrically connected, and has picked out an electric power prompting device 25 on a surface by 51 pairs of main frames 20 of the micro computer；Make to work as
The electric power of battery 40 is not enough, and when having an impact the anxiety of the normal start (work) of piezoelectric element 12, by cell voltage circuit for detecting 56
Detecting and detection, be that electric power prompting device 25 can be triggered by micro computer 51, inform that user must change battery, it is to avoid failure
(start of piezoelectric element 12 is not normal) spray event occurs；And the above-mentioned electric power prompting device 25, it is a LED light emitting diodes, can
The flashing of electric power prompting device 25 is triggered by the micro computer 51 or shows bright action, point out battery 40 electric power close to not enough or not
Foot.
According to above-described embodiment, wherein, as shown in Fig. 3,4,5, also there is a water on the circuit board 50 inside the main frame 20
Position circuit for detecting 57, and, it is additionally provided with one in the liquor room 31 of liquor filling tank 30 defeated as the water level circuit for detecting 57
Enter the level sensor 32 (an e.g. capacitive induction electrode bar) at end, and the water level circuit for detecting 57 output end, be with
The micro computer 51 is electrically connected, and has picked out a Water level prompter 26 on a surface by 51 pairs of main frames 20 of the micro computer；Make
When liquor (because using) is reduced to certain degree in the liquor room 31 of liquor filling tank 30, water level circuit for detecting 57 is can be thoroughly
Water position status sensing and detection of the level sensor 32 in liquor room 31 are crossed, low water level signal is exported to micro computer 51, i.e.,
Water level prompter 26 can be triggered by the micro computer 51, inform that user must be carried out in liquor supplement, or even liquor room 31
When almost anhydrous, micro computer 51 can also stop (spraying starts) effect of spray switch 22, be automatically switched off the start of piezoelectric element 12,
Avoid piezoelectric element 12 and or the situation damaged because anhydrous of spray nozzle sheet 13 occur；The above-mentioned Water level prompter 26, is a LED again
Light emitting diode, can trigger the flashing of Water level prompter 26 or aobvious bright action by the micro computer 51, point out user to need
Supplement liquor or because liquor is very few, stop spraying.
According to above-described embodiment, wherein, as shown in Fig. 3,5, what the surface of main frame 20 1 of the micro computer 51 pairs picked out chases after frequency
Prompting device 24, is a LED light emitting diodes, and the aobvious bright or flashing that can chase after frequency prompting device 24 by the micro computer 51 triggering is moved
Make, point out user's piezoelectric element 12 (fog-spray nozzle 10) to fail start (the improper spraying) or late under frequency optimum traffic
Barrier.
It is described above to be merely exemplary for the purpose of the present invention, and it is nonrestrictive, and those of ordinary skill in the art should
Understand, in the case where the spirit and scope that description of the invention is limited are not departed from, many modifications can be made, changed or waited
Effect, but fall within protection scope of the present invention.
Claims (6)
1. a kind of extremely automatic sensing structure of the atomizer of replaceable fog-spray nozzle, it is characterised in that be an atomizer, including one can
Detachable fog-spray nozzle, a main frame and a liquor filling tank；The fog-spray nozzle is that a piezoelectric element and a spray orifice are set inside a spray orifice
Piece is used as spraying generating unit；One main frame has a group connecting part for being by one inside the fog-spray nozzle electric connection, and the group connecting part
Battery pair and a circuit board provide power for operation, have a micro computer, a power amplification unit, an electric current feedback on the circuit board
Signal generation unit, a voltage feedback signal generation unit, a current/voltage phase-comparison circuit；One micro computer, to the master
One surface of machine a spray switch is accessed and picked out, one frequency switch is chased after and one is chased after frequency prompting device；One power amplification unit, be
Using the micro computer as signal input part, and the output end of the pole of power amplification unit two, then with the fog-spray nozzle in piezoelectricity group
Part is electrically connected with, and on the output end circuit of two pole, is also in series with a resistance and is parallel with two resistance；The one electric current feedback is believed
Number generation unit, is the resistance two ends by being connected between the power amplification unit and the piezoelectric element, the change of detection electric signal,
And to the micro computer output current value feedback signal；The one voltage feedback signal generation unit, be by the power amplification unit with
Between the piezoelectric element two resistance in parallel connect on circuit and between two resistance detection electric signal change；One electric current/
Voltage-phase comparison circuit, is to obtain current waveform feedback signal and by the voltage feedback by the electric current feedback signal generation unit
Signal generation unit obtains voltage waveform feedback signal, and produces the judgement signal output of current/voltage phase difference to micro- electricity
Brain；One liquor fills tank, connects with spraying generating unit one end of the fog-spray nozzle, and inside has and the spraying generating unit phase
It is logical, and for providing the liquor room of liquor filling.
2. according to the extremely automatic sensing structure of atomizer of the replaceable fog-spray nozzle described in claim 1, it is characterised in that the main frame
Also there is the cell voltage circuit for detecting of the detection battery power status, and cell voltage detecting electricity on internal circuit board
The signal output part on road, is electrically connected with the micro computer, and connects an electric power on a surface by the micro computer to the main frame and carry
Show device.
3. according to the extremely automatic sensing structure of atomizer of the replaceable fog-spray nozzle described in claim 2, it is characterised in that the electric power
Prompting device, is a LED light emitting diodes.
4. according to the extremely automatic sensing structure of atomizer of the replaceable fog-spray nozzle described in claim 1, it is characterised in that the main frame
Also there is a water level circuit for detecting on internal circuit board, and, it is additionally provided with a conduct in the liquor room of liquor filling tank
The level sensor of the water level circuit for detecting input, and the water level circuit for detecting output end, be electrically connected with the micro computer,
And pick out a Water level prompter on the surface by the micro computer to the main frame.
5. according to the extremely automatic sensing structure of atomizer of the replaceable fog-spray nozzle described in claim 4, it is characterised in that the water level
Prompting device, is a LED light emitting diodes.
6. according to the extremely automatic sensing structure of atomizer of the replaceable fog-spray nozzle described in claim 1, it is characterised in that micro- electricity
Brain the surface of main frame one is picked out this chase after frequency prompting device, be a LED light emitting diodes.
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| CN105126212B (en) * | 2015-10-12 | 2019-02-05 | 王天星 | Adjustable atomization circuit and control method |
| CN106178202B (en) * | 2016-08-20 | 2022-05-31 | 宁波市舜业医疗器材有限公司 | Handheld micro-grid atomizer and application method thereof |
| JP6801335B2 (en) * | 2016-09-27 | 2020-12-16 | オムロンヘルスケア株式会社 | Ultrasonic oscillator drive and mesh nebulizer |
| CN111282107A (en) * | 2020-03-12 | 2020-06-16 | 张尊敬 | Respiratory medicine atomization drug delivery device capable of adjusting drug delivery speed |
| CN112827020B (en) * | 2021-01-06 | 2023-04-18 | 北京谊安医疗系统股份有限公司 | Ultrasonic atomizer based on single IO multi-mode |
| CN114191663B (en) * | 2021-12-16 | 2022-08-26 | 珠海格力电器股份有限公司 | Atomizer control method, storage medium, processor and atomizer |
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| CN202823836U (en) * | 2012-08-28 | 2013-03-27 | 惠州比亚迪电子有限公司 | Driving device for energy converter and debridement machine |
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| CN104548289A (en) | 2015-04-29 |
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