CN105457821B - Atomizer and its applicable control method - Google Patents

Atomizer and its applicable control method Download PDF

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Publication number
CN105457821B
CN105457821B CN201410450118.4A CN201410450118A CN105457821B CN 105457821 B CN105457821 B CN 105457821B CN 201410450118 A CN201410450118 A CN 201410450118A CN 105457821 B CN105457821 B CN 105457821B
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CN
China
Prior art keywords
circuit
atomizer
control
atomization
liquid
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CN201410450118.4A
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Chinese (zh)
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CN105457821A (en
Inventor
孙扬盛
马翊宸
林荣佑
白胜文
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台达电子工业股份有限公司
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Publication of CN105457821A publication Critical patent/CN105457821A/en
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Abstract

The present invention relates to a kind of atomizer and its applicable control method, atomizer is used to atomize the liquid into, comprising:Atomization circuit, there is piezo-activator, for being atomized the liquid into by piezo-activator to operate;Power circuit, electrically connected with atomization circuit, for selectively power to atomization circuit, to drive atomization circuit to operate;Sample circuit, electrically connect with atomization circuit, produced for sampling when piezo-activator operates under working frequency with harmonic signal;Filter circuit;Electrically connected with sample circuit, for capturing specific frequency of the sampling circuit samples in harmonic signal;Control circuit, electrically connected with power circuit and filter circuit, for by sampling circuit samples to specific frequency compared with setpoint frequency, to judge whether liquid exhausts according to comparative result, and then controlling power circuit is stopped power supply to atomization circuit when liquid depletion.

Description

Atomizer and its applicable control method

Technical field

The present invention is transporting on a kind of atomizer, espespecially a kind of piezo-activator using in filter circuit acquisition atomizer The specific frequency of caused harmonic signal when making, judges whether the liquid in atomizer exhausts with this, and then no liquid The atomizer automatically powered off and its applicable control method.

Background technology

The utilization aspect of atomizer is fairly widespread, such as is used or as defeated available for environment sprinkling, skin moisture-keeping The medical application of drugs, its operation principle are will to spray fog-like body after liquid small particles, there is provided liquid is big with contact surface The acting on of area reaches moisturizing or is easy to absorb and other effects.

The atomizer of early stage is atomized the liquid into for major technique and application, but along with the day of science and technology with gas pressurized mostly Benefit is progressive, and scientific and technological engineering system gradually tends to based on microminiaturization and the saving energy, to obtain higher efficiency and relatively low sky Between occupation rate, therefore with also being arisen at the historic moment as the atomizer of the piezo-activator made by piezoelectric, piezoelectric actuated type Atomizer using piezo-activator vibration by atomizer liquid be atomized.And due to the atomizer of piezoelectric actuated type Because its microminiaturization and the characteristic of energy-conservation, the field of application are very extensive.

The mechanism that whether exhausts of detecting internal liquid is had no yet with the atomizer of existing piezoelectric actuated type, therefore is worked as The atomizer of existing piezoelectric actuated type is when running and the liquid inside atomizer have exhausted, the mist of existing piezoelectric actuated type Change device still can continued operation, and can not be decommissioned in liquid depletion, consequently, it is possible to the atomizer of existing piezoelectric actuated type Continuous drain is caused to the waste of electric energy.Although the atomizer for having the piezoelectric actuated type in part at present is further improved and had Have the detecting liquid function that whether exhausts to be automatically powered off, however the detecting mode of those above-mentioned atomizers all easily by Other factorses disturb, such as caused noise jamming etc. when being operated by atomizer internal electrical components, lead to not exactly The function whether detecting liquid exhausts to be automatically powered off, therefore the electric energy of those atomizers saving efficiency is still bad.

Therefore, a kind of atomizer for improving above-mentioned prior art missing and its applicable control method how are developed, it is real The problem of in the urgent need to address at present for correlative technology field.

The content of the invention

The brief overview on the present invention is given below, to provide the basic reason on certain aspects of the invention Solution.It should be appreciated that this general introduction is not the exhaustive general introduction on the present invention.It is not intended to determine the key of the present invention Or pith, nor is it intended to limit the scope of the present invention.Its purpose only provides some concepts in simplified form, with This is as the preamble in greater detail discussed later.

It is an object of the invention to provide a kind of atomizer and its applicable control method, the atomizer utilizes filter circuit The specific frequency of piezo-activator caused harmonic signal when running is captured, the liquid in atomizer is accurately judged with this Whether exhaust, it is solved existing atomizer and the function whether liquid exhausts to be automatically powered off can not be detected exactly, Cause the electric energy of existing atomizer to save bad wait of efficiency to lack.

For the above-mentioned purpose, a broader embodiment aspect of the invention is provides a kind of atomizer, for atomizing the liquid into, Comprising:Atomization circuit, there is piezo-activator, atomized the liquid into for the running by piezo-activator;Power circuit, with Atomization circuit electrically connects, for selectively power to atomization circuit, to drive atomization circuit to operate;Sample circuit, with atomization electricity Road electrically connects, for sampling caused harmonic signal when piezo-activator operates under working frequency;Filter circuit;With sampling Circuit electrically connects, the specific frequency in the harmonic signal sampled for capturing sample circuit;Control circuit, with power circuit And filter circuit electrical connection, for the running of controlling power circuit, and the specific frequency that sample circuit is sampled is received, and will Specific frequency is compared with setpoint frequency, to judge whether liquid exhausts according to comparative result, and then in liquid depletion time control Power circuit processed is stopped power supply to atomization circuit.

For the above-mentioned purpose, another broader embodiment aspect of the invention is provides a kind of control method, for controlling mist Change the running of device, wherein atomization circuit of the atomizer with power circuit and with piezo-activator, atomization circuit is used to pass through The running of piezo-activator and atomize the liquid into, power circuit be used for optionally supply power to atomization circuit, control method includes Step is as follows:(a) start atomizer, power circuit is supplied power to atomization circuit;(b) piezo-activator is captured at the operating frequencies The specific frequency of caused harmonic signal during running;(c) by specific frequency compared with setpoint frequency, knot is compared to utilize Fruit differentiates whether liquid exhausts;And (d), when the differentiation result of step (c) is to be, controlling power circuit is stopped power supply to mist Change circuit.

For the above-mentioned purpose, another broader embodiment aspect of the invention is provides a kind of control method, for controlling mist Change the running of device, wherein atomization circuit of the atomizer with power circuit and with piezo-activator, atomization circuit is used to pass through The running of piezo-activator and atomize the liquid into, power circuit be used for optionally supply power to atomization circuit, control method includes Step is as follows:(a) start atomizer, power circuit is supplied power to atomization circuit;(b) piezo-activator is captured at the operating frequencies The specific frequency of caused harmonic signal during running;(c) by specific frequency compared with setpoint frequency, knot is compared to utilize Fruit differentiates whether liquid exhausts;(d) when the differentiation result of step (c) is is, by count value plus one;(e) judge that count value is It is no to be equal to pre-determined number;And (f), when the differentiation result of step (e) is to be, controlling power circuit is stopped power supply to atomization electricity Road.

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 Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.

Fig. 1 is the electrical block diagram of the atomizer of present pre-ferred embodiments.

Fig. 2 is the operation workflow figure of a preferred embodiment of the control method of the atomizer shown in Fig. 1.

Fig. 3 is the operation workflow figure of another preferred embodiment of the control method of the atomizer shown in Fig. 1.

Reference:

1:Atomizer

10:Atomization circuit

100:Piezo-activator

11:Power circuit

12:Sample circuit

13:Filter circuit

14:Control circuit

15:Illuminating circuit

S20-S23:One operation workflow of the control method of the atomizer of the present invention

S30-S35:Another operation workflow of the control method of the atomizer of the present invention

Embodiment

To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is Part of the embodiment of the present invention, rather than whole embodiments.Described in the accompanying drawing of the present invention or a kind of embodiment Element and the element that can be shown in one or more other accompanying drawings or embodiment of feature and feature be combined.Should Pay attention to, for purposes of clarity, eliminated in accompanying drawing and explanation unrelated to the invention, known to persons of ordinary skill in the art Part and the expression and description of processing.Based on the embodiment in the present invention, those of ordinary skill in the art are not paying creation Property work on the premise of the every other embodiment that is obtained, belong to the scope of protection of the invention.

In the following embodiment of the present invention, the sequence number and/or sequencing of embodiment are merely convenient of description, do not represent reality Apply the quality of example.Description to each embodiment all emphasizes particularly on different fields, and does not have the part being described in detail in some embodiment, may refer to it The associated description of his embodiment.

Embodying some exemplary embodiments of feature of present invention and advantage will describe in detail in the explanation of back segment.It should be understood that It is that the present invention can have various changes in different aspects, it is neither departed from the scope of the present invention, and explanation therein And the use that diagram is illustrated as in itself, and nand architecture is in the limitation present invention.

Referring to Fig. 1, its circuit structure structural representation for the atomizer of present pre-ferred embodiments.As shown in figure 1, The atomizer 1 of the present embodiment is used to a liquid being atomized, and is sampled comprising an atomization circuit 10, a power circuit 11, one Circuit 12, a filter circuit 13 and a control circuit 14.Atomization circuit 10 is used to that a reservoir of atomizer 1 will to be stored in A liquid in (not shown) is atomized, and wherein atomization circuit 10 has a piezo-activator 100, when atomization circuit 10 operates When, piezo-activator 100 carries out vibration running under a working frequency, and the liquid for contacting piezo-activator 10 is atomized And in the spout ejection (not shown) of atomizer 1.

In above-described embodiment, piezo-activator 100 is actually with the plyability resistance including electric capacity, resistance and inductance Anti- characteristic, therefore when piezo-activator 100 is operated in working frequency, it is humorous that one can be produced because of the resonance effect of electric capacity and inductance The frequency of ripple signal, the wherein harmonic signal correspond to the liquid in atomizer 1 with or without and with corresponding offset.This Outside, in certain embodiments, the working frequency of piezo-activator 100 can be but be not limited to fixed frequency.

Power circuit 11 electrically connects with atomization circuit 10, power supply is supplied to atomization circuit 10 for selectivity, to drive mist Change circuit 10 and piezo-activator 100 is operated.In certain embodiments, power circuit 11 is supplied to the electricity of atomization circuit 10 It can actually be obtained, but be not limited by conversion civil power, the electric energy of power circuit 11 supplied to atomization circuit 10 also can be by Battery provides.

Sample circuit 12 electrically connects with atomization circuit 10, when being operated at the operating frequencies for sampling piezo-activator 100 Caused harmonic signal.Filter circuit 13 electrically connects with sample circuit 12, for capture sample circuit 12 sampled it is humorous A specific frequency in ripple signal.

Control circuit 14 electrically connects with power circuit 11 and filter circuit 13, for the running of controlling power circuit 11, and The specific frequency in the harmonic signal that sample circuit 12 is sampled is received, and will be stored in specific frequency and control circuit 14 A setpoint frequency be compared, to judge whether liquid exhausts according to comparative result, and then power supply is controlled in liquid depletion Circuit 11 is stopped power supply to atomization circuit 10, saves the power consumption of atomizer 1 in liquid depletion with this.

In the above-described embodiments, because the frequency of caused harmonic signal when piezo-activator 100 operates is actually right Answer the liquid in atomizer 1 with or without and with corresponding offset, therefore the setpoint frequency of control circuit 14 can be dependent on The frequency corresponding to liquid depletion time-harmonic wave signal in atomizer 1 is set, therefore control circuit 14 can be by more specific Frequency and setpoint frequency judge whether liquid exhausts, with control corresponding to progress.Further, since piezo-activator 100 operates When the letter that not only whether is exhausted comprising the liquid that can reflect in atomizer 1 of constituent possessed by caused harmonic signal Number composition, with more caused other signals composition when other electronic building bricks operate in atomizer 1, therefore the atomization of the present invention Device 1 more can reflect whether liquid exhausts to capture using filter circuit 13 in harmonic signal caused by piezo-activator 100 Signal component corresponding to specific frequency, can accurately judge whether liquid exhausts with this atomizer 1 of the invention, with Automatic control power supply circuit 11 is stopped power supply to atomization circuit 10 during liquid depletion, and then the electric energy for saving atomizer 1 disappears The effect of consumption.

In certain embodiments, the species of filter circuit 13 actually can be according to the frequency values for the specific frequency to be captured Scope it is different and be made up of high-pass filtering circuit, bandwidth-limited circuit or low-pass filter circuit.What is more, due to capturing Piezo-activator 100 caused by specific frequency in harmonic signal frequency values it is higher when, corresponding to the specific frequency Signal component more can accurately reflect whether the liquid of atomizer 1 exhausts, therefore in the present embodiment, filter circuit 13 is preferable Formed with high-pass filtering circuit, now filter circuit 13 captures the specific frequency of harmonic signal and corresponded in higher hamonic wave Frequency values, such as 100kHz~1MHz.

In certain embodiments, as shown in figure 1, the atomizer 1 has more an illuminating circuit 15, it is electrically connected with control circuit 14 Connect, and can by but be not limited to be made up of light emitting diode, when the liquid of atomizer 1 not yet exhausts and control circuit 14 controls electricity Source circuit 11 supplies electricity to atomization circuit 10, and it is shinny that control circuit 14 more controls illuminating circuit 15 to continue, to notify that user is current Atomizer 1 still has liquid, but when control circuit 14 judges that liquid has exhausted by comparing specific frequency and setpoint frequency When, control circuit 14 not only can controlling power circuit 11 stop power supply to atomization circuit 10, can more control illuminating circuit 15 by holding The bright state of supervention be changed to interval it is shinny, to remind the liquid of user's atomizer 1 to exhaust, user is supplemented atomization The liquid of device 1.

Further, since some specific factors, such as surprisingly rock atomizer 1 and the liquid in atomizer 1 is not fixed When direction is flowed, the frequency values of harmonic signal caused by piezo-activator 100 be able to can temporarily change, and cause control circuit 14 In relatively specific frequency and setpoint frequency, erroneous judgement liquid has been exhausted, and controlling power circuit 11 is stopped power supply to atomization electricity by mistake Road 10, therefore in order to prevent control circuit 14 does not exhaust mistiming controlling power circuit 11 in liquid from stopping power supply to atomization circuit 10, in other embodiments, control circuit 14 can more store a count value, when control circuit 14 by compare specific frequency and Setpoint frequency and judge that liquid will add the count value one when having exhausted, and judge whether the count value is equal to one predetermined time Number, when judging that count value is not equal to pre-determined number, control circuit 14 still controls controlling power circuit 11 to supply electricity to atomization circuit 10, but once when control circuit 14 judges that count value is equal to pre-determined number, that is, represent control circuit 14 and repeatedly determine Liquid has exhausted, therefore control circuit 14 just stop power supply to atomization circuit 10 by controlling power circuit 11, in addition, working as control circuit 14 When judging that count value is equal to pre-determined number, the count value is more reset and is zeroed by control circuit 14.

Referring to Fig. 2, and Fig. 1, wherein Fig. 2 is coordinated to be a preferred embodiment of the control method of the atomizer shown in Fig. 1 Operation workflow figure.As shown in the 1st, 2 figures, first, step S20 is performed, that is, start atomizer 1, make atomizer 1 start to transport Make, now the controlling power circuit 11 of control circuit 14 supplies power to atomization circuit 10.Then, step S21 is performed, is captured piezoelectric actuated One specific frequency of caused harmonic signal when device 100 operates at the operating frequencies;In the step s 21, by sample circuit 12 Caused harmonic signal when first sampling piezo-activator 100 operates at the operating frequencies, then captured and adopted by filter circuit 13 Specific frequency in the harmonic signal that sample circuit 12 is sampled.Then, step S22 is performed, control circuit 14 is by specific frequency Compared with setpoint frequency, to differentiate whether liquid exhausts using comparative result.When step S22 differentiation result for liquid When exhausting, then step S23 is performed, the controlling power circuit 11 of control circuit 14 is stopped power supply to atomization circuit 10.Conversely, work as step When S22 differentiation result is that liquid does not exhaust, then step S21 is re-executed.

In certain embodiments, when performing step S20, it is shinny to continue that control circuit 14 also controls illuminating circuit 15 State.In addition, when performing step S23, control circuit 14 not only stop power supply to atomization circuit 10 by controlling power circuit 11, more Illuminating circuit 15 can be controlled to be changed to by persistently shinny state intermittently shinny, to remind the liquid of user's atomizer 1 to consume To the greatest extent, user is made to supplement the liquid of atomizer 1.

Referring to Fig. 3, and Fig. 1, wherein Fig. 3 is coordinated to be that the another of the control method of the atomizer shown in Fig. 1 preferably implements The operation workflow figure of example.As shown in the 1st, 3 figures, first, step S30 is performed, that is, start atomizer 1, start atomizer 1 Running, now the controlling power circuit 11 of control circuit 14 supplies power to atomization circuit 10.Then, step S31 is performed, piezoelectricity is captured and causes The specific frequency of caused harmonic signal when dynamic device 100 operates at the operating frequencies;In step S31, by sample circuit 12 Caused harmonic signal when first sampling piezo-activator 100 operates at the operating frequencies, then captured and adopted by filter circuit 13 Specific frequency in the harmonic signal that sample circuit 12 is sampled.Then, step S32 is performed, control circuit 14 is by specific frequency Compared with setpoint frequency, to differentiate whether liquid exhausts using comparative result.When step S32 differentiation result for liquid When exhausting, then step S33 is performed, the count value stored by control circuit 14 is added one.Then, step S34 is performed, that is, is judged Whether the count value stored by control circuit 14 is equal to pre-determined number.When step S34 is when being determined as being, then step S35 is performed, The controlling power circuit 11 of control circuit 14 is stopped power supply to atomization circuit 10, and count value is more reset and is zeroed by control circuit 14. Conversely, when step S34 is when being determined as no, then step S31 is re-executed.In addition, when step S32 differentiation result for liquid not When exhausting, then step S31 is re-executed.

In certain embodiments, when performing step S30, it is shinny to continue that control circuit 14 also controls illuminating circuit 15 State.In addition, when performing step S35, control circuit 14 not only stop power supply to atomization circuit 10 by controlling power circuit 11, more Illuminating circuit 15 can be controlled to be changed to by persistently shinny state intermittently shinny, to remind the liquid of user's atomizer 1 to consume To the greatest extent, user is made to supplement the liquid of atomizer 1.

In summary, the present invention provides a kind of atomizer and its applicable control method, the atomizer utilize filter circuit The specific frequency of piezo-activator caused harmonic signal in running is captured, judges whether the liquid in atomizer consumes with this To the greatest extent, therefore accurately power supply circuit can be controlled to be automatically stopped in liquid depletion and supplies power to atomization circuit so that atomizer can be in liquid Electric energy loss is reduced when body exhausts.Further, since the control circuit of the atomizer of the present invention more stores a count value, the counting Value adds one when control circuit is by comparing specific frequency and setpoint frequency to judge that liquid has exhausted, and control circuit is then being counted Ability controlling power circuit is stopped power supply to atomization circuit when numerical value is equal to pre-determined number, consequently, it is possible to which control circuit can be prevented Mistiming controlling power circuit is not exhausted in liquid to stop power supply to atomization circuit.

Finally it should be noted that:Although the present invention and its advantage are described in detail above it should be appreciated that not Various changes can be carried out in the case of the spirit and scope of the present invention being defined by the claims appended hereto, substitute and Conversion.Moreover, the scope of the present invention is not limited only to process, equipment, means, the specific reality of method and steps described by specification Apply example.One of ordinary skilled in the art will readily appreciate that from the disclosure, according to the present invention can use hold The row function essentially identical to corresponding embodiment described herein obtains result, the existing and future essentially identical with it Process, equipment, means, method or step to be developed.Therefore, appended claim is wrapped in the range of being directed at them Include such process, equipment, means, method or step.

Claims (13)

  1. A kind of 1. atomizer, for a liquid to be atomized, it is characterised in that include:
    One atomization circuit, has a piezo-activator, is atomized the liquid for the running by the piezo-activator;
    One power circuit, electrically connected with the atomization circuit, for selectively power to the atomization circuit, to drive the atomization circuit Running;
    One sample circuit, electrically connected with the atomization circuit, when institute is operated under a working frequency for sampling the piezo-activator A caused harmonic signal;
    One filter circuit;Electrically connected with the sample circuit, in the harmonic signal sampled for capturing the sample circuit One specific frequency;
    One control circuit, electrically connect with the power circuit and the filter circuit, for controlling the running of the power circuit, and receive The specific frequency that the sample circuit is sampled, and by the specific frequency compared with a setpoint frequency, compared with foundation As a result judge whether the liquid exhausts, and then control the power circuit to stop power supply to the atomization circuit in the liquid depletion;
    Wherein, the control circuit more stores a count value, when the control circuit is by comparing the specific frequency and setting frequency Rate and when judging that the liquid has exhausted, the count value is added one, the control circuit and when the count value is equal to a pre-determined number, The power circuit is controlled to stop power supply to atomization circuit.
  2. 2. atomizer according to claim 1, it is characterised in that the piezo-activator, which has, includes electric capacity, resistance and electricity Plyability impedance operator including sense.
  3. 3. atomizer according to claim 1, it is characterised in that the working frequency is fixed frequency.
  4. 4. atomizer according to claim 1, it is characterised in that the filter circuit is filtered by a high-pass filter, a band logical Ripple device or a low pass filter are formed.
  5. 5. atomizer according to claim 4, it is characterised in that when the filter circuit is made up of the high-pass filter When, the frequency values of the specific frequency of the harmonic signal that the filter circuit is captured are 100kHz-1MHz.
  6. 6. atomizer according to claim 1, it is characterised in that the atomizer further includes an illuminating circuit, with the control Circuit electrically connects, and when the control circuit controls the power circuit to supply electricity to the atomization circuit, the illuminating circuit is by control electricity The control on road and continue it is shinny, when the control circuit controls the power circuit to stop power supply to the atomization circuit, the luminous electricity Road by the control circuit control and by persistently it is shinny be changed to interval it is shinny.
  7. 7. atomizer according to claim 1, it is characterised in that when the count value is equal to the pre-determined number, the control The count value is reset and is zeroed by circuit.
  8. 8. a kind of control method, for controlling the running of an atomizer, it is characterised in that the atomizer have a power circuit and An atomization circuit with a piezo-activator, the atomization circuit are used for liquid mist by the running of the piezo-activator Change, the power circuit is used to optionally supply power to the atomization circuit, and it is as follows that the control method includes step:
    (a) start the atomizer, the power circuit is supplied power to the atomization circuit;
    (b) specific frequency of the caused harmonic signal when piezo-activator operates under a working frequency is captured;
    (c) by the specific frequency compared with a setpoint frequency, to differentiate whether the liquid exhausts using comparative result;
    (d) when the differentiation result of step (c) is is, a count value is added one;
    (e) judge whether the count value is equal to a pre-determined number;And
    (f) when the differentiation result of step (e) is is, the power circuit is controlled to stop power supply to the atomization circuit.
  9. 9. control method according to claim 8, it is characterised in that in step (f), the count value is reset and is zeroed.
  10. 10. control method according to claim 8, it is characterised in that when the differentiation result of step (c) is no, again Perform step (b).
  11. 11. control method according to claim 8, it is characterised in that when the differentiation result of step (e) is no, again Perform step (b).
  12. 12. control method according to claim 8, it is characterised in that in step (a), a luminous electricity of the atomizer Road is continued shinny by control, and in step (f), to be changed to interval shinny by control and by persistently shinny for the illuminating circuit.
  13. 13. control method according to claim 8, it is characterised in that the atomizer is with more a sample circuit and a filter Wave circuit, the sample circuit electrically connect with the atomization circuit, and the filter circuit electrically connects with the sample circuit, and in step (b) In, caused harmonic signal when being operated by the sampling circuit samples piezo-activators under the working frequency, then by The filter circuit captures the specific frequency in the harmonic signal that the sample circuit is sampled.
CN201410450118.4A 2014-09-05 2014-09-05 Atomizer and its applicable control method CN105457821B (en)

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CN105457821B true CN105457821B (en) 2017-12-05

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109420225A (en) * 2017-09-04 2019-03-05 台达电子工业股份有限公司 Atomising device and its operating method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1365860A (en) * 2001-01-19 2002-08-28 黄振隆 Protecting circuit of ultrasonic atomizer
CN2690059Y (en) * 2003-11-03 2005-04-06 邝达辉 Ultrasonic atomizer
CN201885353U (en) * 2010-11-15 2011-06-29 珠海格力电器股份有限公司 Ultrasonic humidifier
JP2012049866A (en) * 2010-08-27 2012-03-08 Murata Mfg Co Ltd Oscillator circuit and atomiser
JP4961607B2 (en) * 2006-11-24 2012-06-27 本多電子株式会社 Ultrasonic atomizer
CN103604189A (en) * 2013-05-29 2014-02-26 珠海格力电器股份有限公司 Separately excited ultrasonic atomization control circuit

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1365860A (en) * 2001-01-19 2002-08-28 黄振隆 Protecting circuit of ultrasonic atomizer
CN2690059Y (en) * 2003-11-03 2005-04-06 邝达辉 Ultrasonic atomizer
JP4961607B2 (en) * 2006-11-24 2012-06-27 本多電子株式会社 Ultrasonic atomizer
JP2012049866A (en) * 2010-08-27 2012-03-08 Murata Mfg Co Ltd Oscillator circuit and atomiser
CN201885353U (en) * 2010-11-15 2011-06-29 珠海格力电器股份有限公司 Ultrasonic humidifier
CN103604189A (en) * 2013-05-29 2014-02-26 珠海格力电器股份有限公司 Separately excited ultrasonic atomization control circuit

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