CN202539014U - Ultrasonic nebulizer - Google Patents
Ultrasonic nebulizer Download PDFInfo
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- CN202539014U CN202539014U CN2012201046901U CN201220104690U CN202539014U CN 202539014 U CN202539014 U CN 202539014U CN 2012201046901 U CN2012201046901 U CN 2012201046901U CN 201220104690 U CN201220104690 U CN 201220104690U CN 202539014 U CN202539014 U CN 202539014U
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Abstract
The utility model discloses an ultrasonic nebulizer which comprises a water cup, a metal induction sheet, a single chip microcomputer, an amplifier circuit, an oscillating circuit, a feedback circuit, an adjusting circuit and a control circuit. The oscillating circuit comprises an ultrasonic nebulizing sheet. The metal induction sheet is disposed below the water cup. The control circuit is connected with the metal induction sheet. An OSCI (Oscillator input) frequency dividing output port of the single chip microcomputer is connected with the oscillating circuit through the amplifier circuit. The ultrasonic nebulizing sheet is connected with an OSCI oscillator input port of the single chip microcomputer. The adjusting circuit is connected with the OSCI oscillator input of the single chip microcomputer. An adjustable resistor can be adjusted to match with each ultrasonic nebulizing sheet, the feedback circuit is added, and accordingly system operation is stable. By the non-contact induction water level detection technology, a system can timely send a signal, about when to stop providing reference operation oscillation frequency to the ultrasonic nebulizing sheet, to the single chip microcomputer. In addition, purified water can be used in the ultrasonic nebulizer.
Description
Technical field
The utility model relates to the ultrasonic ultrasonic delay line memory field, relates in particular to a kind of novel ultrasonic ultrasonic delay line memory.
Background technology
At present, though huge the increasing of production and selling quantity of ultrasonic ultrasonic delay line memory, its operating frequency control and water level detecting technology are still traditional relatively.The control of the operating frequency of existing ultrasonic ultrasonic delay line memory is to use resistance, inductance and oscillating circuit of capacitor element member, its frequency of oscillation to equate with the intrinsic frequency of atomizing piece, atomizing piece is vibrated make water fogging and reaches product function.But in real work, the intrinsic frequency of each ultrasonic atomization sheet is all inequality, and also there is deviation in the parameter of resistance, inductance and electric capacity itself; And these devices can generate heat when work; Numerical value also can change under the different temperatures environment, makes the ultrasonic atomization sheet on intrinsic frequency, to work, so; Existing product must increase fin on metal-oxide-semiconductor, stability, service life and the nebulization efficiency of product are descended; Aspect water level detecting, because the ultrasonic atomization sheet vibrates under anhydrous situation, its temperature can raise rapidly, and ultrasonic ultrasonic delay line memory is damaged fast.Mostly its water level detecting technology is that magnet ring float and electrode loop detect at present, uses magnet ring float detection method to make product structure complicated, and poor stability cleans inconvenient; And use the electrode loop detection method, and making electrode corrosion easily, generation can not be known material, and can not use pure water.
The utility model content
To the weak point that exists in the above-mentioned technology, the utility model provides a kind of simple in structure, oscillatory system operating frequency stable and adopt the ultrasonic ultrasonic delay line memory of contactless water level detecting.
For realizing above-mentioned purpose, the utility model provides a kind of ultrasonic ultrasonic delay line memory, comprises water tumbler (7), metal inductive sheet (6), single-chip microcomputer (1), amplifying circuit (2), oscillating circuit (3), feedback circuit (4), adjustment circuit (5) and control circuit (8); Said oscillating circuit (3) comprises a ultrasonic atomization sheet (34), and there are an inner groovy and a circular hole in said water tumbler below; Said metal inductive sheet (6) is in the inner groovy of said water tumbler (7) below; Said ultrasonic atomization sheet (34) is suitable with the circular hole of said water tumbler (7) below; Said control circuit (8) is connected with said metal inductive sheet (6); Said single-chip microcomputer (1) is provided with OSCI frequency division delivery outlet and OSCI vibration input port; The OSCI frequency division delivery outlet of said single-chip microcomputer (1) is connected with said oscillating circuit (3) through said amplifying circuit (2), and said ultrasonic atomization sheet (34) is connected with the OSCI vibration input port of said single-chip microcomputer (1) through said feedback circuit (4), and said adjustment circuit (5) is connected with the OSCI vibration input port of said single-chip microcomputer (1).
Wherein, Said adjustment circuit (5) comprises an adjustable resistance (51) and an electric capacity (52); Said adjustable resistance (51) one ends are connected with said single-chip microcomputer OSCI vibration input port; Said adjustable resistance (51) other end connects power supply VCC, and an end of said electric capacity (52) is connected the other end ground connection GND of said electric capacity (52) with the OSCI vibration input port of said single-chip microcomputer (1).
Wherein, said oscillating circuit (3) also comprises an inductance (32), a metal-oxide-semiconductor (31), first electric capacity (33), second electric capacity (35) and a resistance (36); Said metal-oxide-semiconductor has grid, drain electrode and source electrode on (31); The grid of said metal-oxide-semiconductor (31) is connected with said amplifying circuit (2); The drain electrode of said metal-oxide-semiconductor (31) is connected with an end of said inductance (32); The source electrode of said metal-oxide-semiconductor (31) is connected with an end of said resistance (36), and the other end of said inductance (32) connects power vd D; One end of said first electric capacity (33) is connected with an end of said inductance (32); The other end of said first electric capacity (33) is connected with an end of said ultrasonic atomization sheet (34); One end of said second electric capacity (35) is connected with an end of said ultrasonic atomization sheet (34); The other end of said second electric capacity (35) is connected back ground connection GND with the other end of said resistance (36), the other end of said ultrasonic atomization sheet (34) connects said feedback circuit (4).
Wherein, Said control circuit comprises electric capacity (81), resistance (82), resistance (85), electric capacity (84), diode (83), diode (86) and diode (87); Said electric capacity (81) one ends connect said metal inductive sheet (6), and the other end of said electric capacity (81) connects an end of said resistance (82), and the other end of said resistance (82) connects said diode (83) positive pole; The negative pole of said electric capacity (84) connects said diode (83) negative pole; The plus earth GND of said electric capacity (84), an end ground connection GND of said resistance (85), the other end of said resistance (85) connects the negative pole of diode (83); The negative pole of said diode (86) connects power supply VCC; The positive pole of said diode (86) connects the other end of said resistance (82), and the positive pole of said diode (87) connects the other end of said resistance (82), the minus earth GND of said diode (87).
The beneficial effect of the utility model is: compared with prior art; The benchmark job frequency of the ultrasonic atomization sheet of the ultrasonic ultrasonic delay line memory that the utility model provides is provided by single-chip microcomputer; Used adjustable resistance; In use can be through the adjustment adjustable resistance to mate each ultrasonic atomization sheet, the frequency of oscillation that makes monolithic provide equates with the intrinsic frequency of atomizing piece; Also increased feedback circuit simultaneously, made that whole concussion system works is stable and reach maximal efficiency.
In addition, ultrasonic ultrasonic delay line memory adopts the non-contact induction type water level detecting, in the inner groovy of metal inductive sheet below water tumbler; The circular hole of ultrasonic atomization sheet and water tumbler below is suitable; The metal inductive sheet of water tumbler below receives the high-frequency sasser of ultrasonic atomization sheet, again through changing into DC level behind the control circuit, at this moment; System can detect DC level, and not lack of water of ultrasonic ultrasonic delay line memory is described.When water had been consumed, the propagation medium of the high-frequency sasser of ultrasonic atomization sheet had not just existed, and system just detects less than DC level, and the ultrasonic atomization sheet just quits work.Therefore; When system can be in time sends this signal that stops to provide to the ultrasonic atomization sheet benchmark job frequency of oscillation to single-chip microcomputer; Owing to adopt contactless water level detecting, do not need direct contact water, so the water in the ultrasonic ultrasonic delay line memory can use pure water.
Description of drawings
Fig. 1 is the FREQUENCY CONTROL sketch map of the ultrasonic ultrasonic delay line memory of the utility model;
Fig. 2 is the water level detecting sketch map of the ultrasonic ultrasonic delay line memory of the utility model.
The main element symbol description is following:
1, unit 2, amplifying circuit 3, oscillating circuit
31, metal-oxide-semiconductor 32, inductance 33, electric capacity
34, ultrasonic atomization sheet 35, electric capacity 36, resistance
4, feedback circuit 5, adjustment circuit 51, adjustable resistance
52, electric capacity 6, metal inductive sheet 7, water tumbler
8, control circuit 81, electric capacity 82, resistance
83, diode 84, electric capacity 85, resistance
9, water
The specific embodiment
In order more clearly to explain the utility model, the utility model is done to describe further below in conjunction with accompanying drawing.
See also Fig. 1, single-chip microcomputer 1 is provided with OSCI frequency division delivery outlet and OSCI vibration input port, and single-chip microcomputer OSCI frequency division delivery outlet is connected with oscillating circuit 3 through amplifying circuit 2.
Oscillating circuit 3 comprises an inductance 32, metal-oxide-semiconductor 31, first electric capacity 33, second electric capacity 35 and a resistance 36; Grid, drain electrode and source electrode are arranged on the metal-oxide-semiconductor 31; The grid of metal-oxide-semiconductor 31 is connected with amplifying circuit 2, and the drain electrode of metal-oxide-semiconductor 31 is connected with an end of inductance 32, and the source electrode of metal-oxide-semiconductor 31 is connected with an end of resistance 36; The other end of inductance 32 connects power vd D, power source voltage at 12V between the 24V; One end of first electric capacity 33 is connected with an end of inductance 32; The other end of first electric capacity 33 is connected with an end of ultrasonic atomization sheet 34; One end of second electric capacity 35 is connected with an end of ultrasonic atomization sheet 34; The other end of second electric capacity 35 is connected back ground connection GND with the other end of resistance 36, the other end of ultrasonic atomization sheet 34 connects feedback circuit 4 ultrasonic atomization sheets 34 and is connected with the OSCI vibration input port of single-chip microcomputer 1 through feedback circuit 4.
Adjustment circuit 5 comprises an adjustable resistance 51 and an electric capacity 52; Adjustable resistance 51 1 ends are connected with the OSCI vibration input port of single-chip microcomputer 1; Adjustable resistance 51 other ends connect power supply VCC, and an end of electric capacity 52 is connected the other end ground connection GND of electric capacity 52 with the OSCI of single-chip microcomputer 1 vibration input port; Adjustment circuit 5 is outside the OSCI of single-chip microcomputer 1 vibration input port; To single-chip microcomputer its working oscillation frequency is provided, the OSCI frequency division delivery outlet of single-chip microcomputer 1 provides a frequency of oscillation, this frequency of oscillation after amplifying circuit 3 amplifies as the benchmark frequency of oscillation of oscillating circuit.This benchmark frequency of oscillation can through the adjustment circuit 5 adjustable resistance 51 adjust, with this benchmark frequency of oscillation be tuned to equate with the intrinsic frequency of ultrasonic atomization sheet 34.In practical work process; The parameter of each device of ultrasonic ultrasonic delay line memory can change; The frequency of oscillation of ultrasonic atomization sheet 34 also can change; So the frequency of oscillation of ultrasonic atomization sheet 34 is input to the OSCI vibration input port of single-chip microcomputer 1 through feedback circuit 4 with voltage signal, makes ultrasonic ultrasonic delay line memory remain maximum efficiency.
Compared with prior art; The benchmark job frequency of the ultrasonic atomization sheet of the utility model is provided by single-chip microcomputer; Used adjustable resistance; In use can be through the adjustment adjustable resistance to mate each ultrasonic atomization sheet, the frequency of oscillation that makes monolithic provide equates with the intrinsic frequency of atomizing piece; Also increased feedback circuit simultaneously, made that whole concussion system works is stable and reach maximal efficiency.
Please further consult Fig. 2, the water level detecting of ultrasonic ultrasonic delay line memory realizes contactless water level detecting through metal inductive sheet 6 and control circuit.Ultrasonic atomization sheet 34 is under the higher-order of oscillation; (the ultrasonic atomization sheet operating frequency that ultrasonic ultrasonic delay line memory is commonly used is generally 1.7MHz, 2.4MHz or 3.0MHz; This higher-order of oscillation wave amplitude reaches 60 volts) can the water in the water tumbler 79 be atomized into droplet; This high-frequency sasser is propagated through water 9 simultaneously; Make the metal inductive sheet 6 that is close to water tumbler 7 belows to receive this high-frequency sasser, change into DC level through after electric capacity 81 couplings, resistance 82, diode 83 rectifications and electrochemical capacitor 84 filtering of control circuit 8 through resistance 85 again as communication antenna.If ultrasonic atomization sheet 34 is when work, system can detect the dc level signal that A is ordered, and not lack of water of ultrasonic ultrasonic delay line memory is described.When water level is lower than the last plane of metal inductive sheet 6; This high-frequency sasser just can not propagate into metal inductive sheet 6 through water 9; At this moment system detects the dc level signal of ordering less than A, explains that water level is too low, at this moment; Single-chip microcomputer 1 system stops to ultrasonic atomization sheet 34 the benchmark job frequency of oscillation being provided, and the ultrasonic atomization sheet is quit work.
Control circuit comprises electric capacity 81, resistance 82, resistance 85, electric capacity 84, diode 83, diode 86 and diode 87, and electric capacity 81 1 ends connect metal inductive sheet 6, and the other end of electric capacity 81 connects an end of resistance 82; The other end of resistance 82 connects diode 83 positive poles, and the negative pole of electric capacity 84 connects diode 83 negative poles, the plus earth GND of electric capacity 84; One end ground connection GND of resistance 85; The other end of resistance 85 connects the negative pole of diode 83, and the negative pole of diode 86 connects power supply VCC, and the positive pole of diode 86 connects the other end of resistance 82; The positive pole of diode 87 connects the other end of resistance 82, diode 87) minus earth GND.
Compared with prior art, this ultrasonic ultrasonic delay line memory adopts the non-contact induction type water level detecting, in the inner groovy of metal inductive sheet below water tumbler; The circular hole of ultrasonic atomization sheet and water tumbler below is suitable; The metal inductive sheet of water tumbler below receives the high-frequency sasser of ultrasonic atomization sheet, again through changing into DC level behind the control circuit, at this moment; System can detect DC level, and not lack of water of ultrasonic ultrasonic delay line memory is described.When water had been consumed, the propagation medium of the high-frequency sasser of ultrasonic atomization sheet had not just existed, and system just detects less than DC level, and the ultrasonic atomization sheet just quits work.Therefore, when system can be in time sends this signal that stops to provide to the ultrasonic atomization sheet benchmark job frequency of oscillation to single-chip microcomputer, owing to adopt contactless water level detecting, does not need direct contact water, so can use pure water.
The advantage of the utility model is: the benchmark job frequency of the ultrasonic atomization sheet of this ultrasonic ultrasonic delay line memory is provided by single-chip microcomputer; Used adjustable resistance; In use can be through adjustable resistance to mate each ultrasonic atomization sheet; The frequency of oscillation that makes monolithic provide equates with the intrinsic frequency of atomizing piece, has also increased feedback circuit simultaneously, makes that whole concussion system works is stable and reaches maximal efficiency; Adopt noncontact induction water level detecting technology, the metal inductive sheet of water tumbler below receives high-frequency sasser, and through changing into DC level behind the control circuit, at this moment, system can detect DC level, and not lack of water of ultrasonic ultrasonic delay line memory is described.When water will be consumed, the propagation medium of high-frequency sasser had not existed, and did not just have DC level; The ultrasonic atomization sheet just quits work; Therefore, when system can be in time sends this signal that stops to provide to the ultrasonic atomization sheet benchmark job frequency of oscillation to single-chip microcomputer, owing to adopt contactless water level detecting; Do not need direct contact water, can use pure water.
More than the disclosed several specific embodiments that are merely the utility model, but the utility model is not limited thereto, any those skilled in the art can think variation all should fall into the protection domain of the utility model.
Claims (4)
1. a ultrasonic ultrasonic delay line memory is characterized in that, comprises water tumbler (7), metal inductive sheet (6), single-chip microcomputer (1), amplifying circuit (2), oscillating circuit (3), feedback circuit (4), adjustment circuit (5) and control circuit (8); Said oscillating circuit (3) comprises a ultrasonic atomization sheet (34), and there are an inner groovy and a circular hole in said water tumbler below; Said metal inductive sheet (6) is in the inner groovy of said water tumbler (7) below; Said ultrasonic atomization sheet (34) is suitable with the circular hole of said water tumbler (7) below; Said control circuit (8) is connected with said metal inductive sheet (6); Said single-chip microcomputer (1) is provided with OSCI frequency division delivery outlet and OSCI vibration input port; The OSCI frequency division delivery outlet of said single-chip microcomputer (1) is connected with said oscillating circuit (3) through said amplifying circuit (2), and said ultrasonic atomization sheet (34) is connected with the OSCI vibration input port of said single-chip microcomputer (1) through said feedback circuit (4), and said adjustment circuit (5) is connected with the OSCI vibration input port of said single-chip microcomputer (1).
2. ultrasonic ultrasonic delay line memory according to claim 1; It is characterized in that; Said adjustment circuit (5) comprises an adjustable resistance (51) and an electric capacity (52), and said adjustable resistance (51) one ends are connected with the OSCI vibration input port of said single-chip microcomputer (1), and said adjustable resistance (51) other end connects power supply VCC; One end of said electric capacity (52) is connected the other end ground connection GND of said electric capacity (52) with the OSCI vibration input port of said single-chip microcomputer (1).
3. ultrasonic ultrasonic delay line memory according to claim 1 is characterized in that, said oscillating circuit (3) also comprises an inductance (32), a metal-oxide-semiconductor (31), first electric capacity (33), second electric capacity (35) and a resistance (36); Said metal-oxide-semiconductor has grid, drain electrode and source electrode on (31); The grid of said metal-oxide-semiconductor (31) is connected with said amplifying circuit (2); The drain electrode of said metal-oxide-semiconductor (31) is connected with an end of said inductance (32); The source electrode of said metal-oxide-semiconductor (31) is connected with an end of said resistance (36), and the other end of said inductance (32) connects power vd D; One end of said first electric capacity (33) is connected with said inductance (32) one ends; The other end of said first electric capacity (33) is connected with an end of said ultrasonic atomization sheet (34); One end of said second electric capacity (35) is connected with an end of said ultrasonic atomization sheet (34); The other end of said second electric capacity (35) is connected back ground connection GND with the other end of said resistance (36), the other end of said ultrasonic atomization sheet (34) connects said feedback circuit (4).
4. according to any described ultrasonic ultrasonic delay line memory of claim 1-3; It is characterized in that said control circuit comprises electric capacity (81), resistance (82), resistance (85), electric capacity (84), diode (83), diode (86) and diode (87), said electric capacity (81) one ends connect said metal inductive sheet (6); The other end of said electric capacity (81) connects an end of said resistance (82); The other end of said resistance (82) connects said diode (83) positive pole, and the negative pole of said electric capacity (84) connects said diode (83) negative pole, the plus earth GND of said electric capacity (84); One end ground connection GND of said resistance (85); The other end of said resistance (85) connects the negative pole of diode (83), and the negative pole of said diode (86) connects power supply VCC, and the positive pole of said diode (86) connects the other end of said resistance (82); The positive pole of said diode (87) connects the other end of said resistance (82), the minus earth GND of said diode (87).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201046901U CN202539014U (en) | 2012-03-19 | 2012-03-19 | Ultrasonic nebulizer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201046901U CN202539014U (en) | 2012-03-19 | 2012-03-19 | Ultrasonic nebulizer |
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| CN202539014U true CN202539014U (en) | 2012-11-21 |
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| CN2012201046901U Expired - Fee Related CN202539014U (en) | 2012-03-19 | 2012-03-19 | Ultrasonic nebulizer |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105709315A (en) * | 2016-01-28 | 2016-06-29 | 深圳来福士医疗器械有限公司 | NTC (negative temperature coefficient) sensing atomizer |
| CN106500263A (en) * | 2016-11-03 | 2017-03-15 | 芯海科技（深圳）股份有限公司 | A kind of atomizer driving frequency adjustment circuit of external vibration and method of testing |
| CN107606738A (en) * | 2017-09-29 | 2018-01-19 | 康泰医学***（秦皇岛）股份有限公司 | Ultrasound signal receipt detects circuit and application |
| WO2018176617A1 (en) * | 2017-03-28 | 2018-10-04 | 邹剑寒 | Atomizing device |
| CN108627217A (en) * | 2017-03-21 | 2018-10-09 | 小牛科技河北有限公司 | Vibration parameters based on atomizing piece judge that water tank has liquid or the method without liquid status |
| CN109007974A (en) * | 2017-06-08 | 2018-12-18 | 湖南中烟工业有限责任公司 | A kind of ultrasonic electronic cigarette circuit and the ultrasonic electronic cigarette |
| CN109127257A (en) * | 2018-10-29 | 2019-01-04 | 无锡中微爱芯电子有限公司 | A kind of atomizer dedicated control circuit |
| CN109620990A (en) * | 2018-12-26 | 2019-04-16 | 深圳飞安瑞科技股份有限公司 | A kind of ultrasonic wave fumigation device of constant spray amount |
| CN110426743A (en) * | 2019-07-23 | 2019-11-08 | 深圳博英特科技有限公司 | A kind of ultrasonic atomizer and water shortage detection device |
| CN111438026A (en) * | 2020-03-25 | 2020-07-24 | 广州厚达电子科技有限公司 | Driving method and driving circuit of ultrasonic atomizer |
| CN111663292A (en) * | 2019-03-05 | 2020-09-15 | 青岛海尔洗衣机有限公司 | Control method of clothes treatment equipment and clothes treatment equipment |
| CN111663286A (en) * | 2019-03-05 | 2020-09-15 | 青岛海尔洗衣机有限公司 | Atomization generator, clothes treatment equipment and control method thereof |
-
2012
- 2012-03-19 CN CN2012201046901U patent/CN202539014U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105709315A (en) * | 2016-01-28 | 2016-06-29 | 深圳来福士医疗器械有限公司 | NTC (negative temperature coefficient) sensing atomizer |
| CN106500263A (en) * | 2016-11-03 | 2017-03-15 | 芯海科技（深圳）股份有限公司 | A kind of atomizer driving frequency adjustment circuit of external vibration and method of testing |
| CN108627217A (en) * | 2017-03-21 | 2018-10-09 | 小牛科技河北有限公司 | Vibration parameters based on atomizing piece judge that water tank has liquid or the method without liquid status |
| WO2018176617A1 (en) * | 2017-03-28 | 2018-10-04 | 邹剑寒 | Atomizing device |
| CN109007974A (en) * | 2017-06-08 | 2018-12-18 | 湖南中烟工业有限责任公司 | A kind of ultrasonic electronic cigarette circuit and the ultrasonic electronic cigarette |
| CN107606738B (en) * | 2017-09-29 | 2023-08-08 | 康泰医学***（秦皇岛）股份有限公司 | Ultrasonic signal receiving and detecting circuit and application |
| CN107606738A (en) * | 2017-09-29 | 2018-01-19 | 康泰医学***（秦皇岛）股份有限公司 | Ultrasound signal receipt detects circuit and application |
| CN109127257A (en) * | 2018-10-29 | 2019-01-04 | 无锡中微爱芯电子有限公司 | A kind of atomizer dedicated control circuit |
| CN109620990A (en) * | 2018-12-26 | 2019-04-16 | 深圳飞安瑞科技股份有限公司 | A kind of ultrasonic wave fumigation device of constant spray amount |
| CN109620990B (en) * | 2018-12-26 | 2024-05-17 | 深圳飞安瑞科技股份有限公司 | Ultrasonic aromatherapy device with constant spraying quantity |
| CN111663292A (en) * | 2019-03-05 | 2020-09-15 | 青岛海尔洗衣机有限公司 | Control method of clothes treatment equipment and clothes treatment equipment |
| CN111663286A (en) * | 2019-03-05 | 2020-09-15 | 青岛海尔洗衣机有限公司 | Atomization generator, clothes treatment equipment and control method thereof |
| CN111663286B (en) * | 2019-03-05 | 2023-12-05 | 上海海尔洗涤电器有限公司 | Atomization generator, clothes treatment equipment and control method thereof |
| CN110426743A (en) * | 2019-07-23 | 2019-11-08 | 深圳博英特科技有限公司 | A kind of ultrasonic atomizer and water shortage detection device |
| CN111438026A (en) * | 2020-03-25 | 2020-07-24 | 广州厚达电子科技有限公司 | Driving method and driving circuit of ultrasonic atomizer |
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| C14 | Grant of patent or utility model | ||
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Owner name: SHENZHEN KAIKETE ELECTRONIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SONG ZHIHUI Effective date: 20150203 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20150203 Address after: 518000 Guangdong city of Shenzhen province Baoan District Binhai Avenue West Road on the north side of Fuyong Street oyster industry xianglida Industrial Park C1 building fourth West Shenzhen kaikete Electronic Technology Co. Ltd. Patentee after: Shenzhen kaikete Electronic Technology Co. Ltd. Address before: 518000, Shenzhen, Guangdong Province, Fuyong Town, Fuyong street, Baoan District Fu Road, Cheung Road, C1 Industrial Park, 4 floor Patentee before: Song Zhihui |
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Effective date of registration: 20160414 Address after: 518000 Guangdong city of Shenzhen province Nanshan District, Lang garden F building 1102 room Patentee after: Song Zhihui Address before: 518000 Guangdong city of Shenzhen province Baoan District Binhai Avenue West Road on the north side of Fuyong Street oyster industry xianglida Industrial Park C1 building fourth West Shenzhen kaikete Electronic Technology Co. Ltd. Patentee before: Shenzhen kaikete Electronic Technology Co. Ltd. |
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| DD01 | Delivery of document by public notice |
Addressee: Song Zhihui Document name: Notification of Passing Examination on Formalities |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20180319 |