CN203737490U - Micro-hole atomizer control circuit - Google Patents
Micro-hole atomizer control circuit Download PDFInfo
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- CN203737490U CN203737490U CN201420065559.8U CN201420065559U CN203737490U CN 203737490 U CN203737490 U CN 203737490U CN 201420065559 U CN201420065559 U CN 201420065559U CN 203737490 U CN203737490 U CN 203737490U
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- circuit
- atomizer
- mcu controller
- resistance
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Abstract
The utility model provides a micro-hole atomizer control circuit which comprises an MCU controller, an atomizer circuit and a detecting circuit. The MCU controller is provided with a PWM frequency output pin and a sampling signal input pin. The PWM frequency output pin of the MCU controller is connected with the atomizer circuit. The atomizer circuit is connected to the sampling signal input pin of the MCU controller through the detecting circuit. According to the micro-hole atomizer control circuit, the voltage of the atomizer when the atomizer is started can be sampled through a sampling circuit, the center frequency of an atomizing sheet of the atomizer can be automatically obtained, manual adjustment is not needed, and production efficiency and the yield are improved.
Description
Technical field
The utility model relates to the control circuit of micropore atomization device.
Background technology
The control circuit of application micropore atomization device is at present all that the PWM frequency that uses single-chip microcomputer to produce a 108K～165K left and right realizes.This frequency changes along with the change of a bulk potential device, producer allows employee manually adjust the frequency that is applicable to current atomizing piece in the time producing, reach can produce current, the time of cost is long, and the bad control of uniformity (it is different that different people feels, finally can cause the product atomization quantity problem causing not of uniform size of making).In addition the reason due to material and technique of current micropore atomization sheet, micropore atomization sheet on the market also can be along with the variation of temperature environment center frequency point along with the feature changing, having there is the variation of center frequency point in the environment that causes a lot of center frequency point that regulate aborning to arrive different temperatures, thereby causes atomizing effect variation.
Utility model content
For above-mentioned prior art deficiency, the technical problems to be solved in the utility model is to provide a kind of control circuit that is different from prior art, no matter make atomizing piece under what environment, can be found out center frequency point at that time, reduce the production time of factory and improve yield.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is, micropore atomization device control circuit, MCU controller, atomizer circuit, testing circuit; Described MCU controller has PWM frequency output pin and sampled signal input pin; The PWM frequency output pin of MCU controller is connected with atomizer circuit; Atomizer circuit is connected to the sampled signal input pin of MCU controller by testing circuit.
Further technical scheme is that described testing circuit comprises FET Q1 and sample circuit; Atomizer circuit is connected with sample circuit by FET Q1, and sample circuit is connected to the sampled signal input pin of MCU controller; The PWM frequency output pin of MCU controller is also connected with atomizer circuit by this FET Q1.
Further technical scheme is that the grid of described FET Q1 is connected with the PWM frequency output pin of MCU controller; The source electrode of FET Q1 is connected to the sampled signal input pin of MCU controller by sample circuit; The drain electrode of FET Q1 is connected to atomizer circuit.
Further technical scheme is, described sample circuit comprises sampling resistor and filter circuit.
Preferably technical scheme is, described sampling resistor is resistance R 1, and described filter circuit comprises resistance R 2 and capacitor C 1; The first end of resistance R 1 is connected with the source electrode of FET Q1, the second end ground connection of resistance R 1; The first end of resistance R 2 is connected with the first end of resistance R 1, and the second end of resistance R 2 is connected to the sampled signal input pin of MCU controller; The second end of resistance R 2 is also connected with the first end of capacitor C 1, the second end ground connection of capacitor C 1.
Preferably, described atomizer circuit is provided with receiving end, and this receiving end is for being connected with power supply; Atomizer circuit is connected to the PWM frequency output pin of MCU controller by described receiving end; Atomizer circuit is connected to testing circuit by described receiving end.
Voltage when micropore atomization device control circuit of the present utility model can be gathered atomizer and started by sample circuit, obtains the centre frequency of atomizer atomizing piece automatically, without manual adjustments, enhances productivity and yields.
Brief description of the drawings
Fig. 1 is the circuit theory diagrams of the utility model micropore atomization device control circuit.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, micropore atomization device control circuit of the present utility model, MCU controller 1, atomizer circuit 2 and testing circuit 3.In the present embodiment, MCU controller 1 is selected SL1108C chip U3, and the operational precision of this chip is high, is more suitable for the utility model for finding the effect of atomizing piece centre frequency, even if but the chip precision of changing other similar effects is not as good as SL1108C chip, also can realize the object of utility model.MCU controller 1 has PWM frequency output pin (being the 5th pin of SL1108C chip in the present embodiment) and sampled signal input pin (being the 7th pin of SL1108C chip in the present embodiment), the PWM frequency output pin of MCU controller 1 is connected with atomizer circuit 2, and atomizer circuit 2 is connected to the sampled signal input pin of MCU controller 1 by testing circuit 3.Particularly, described atomizer circuit 2 is provided with receiving end, and this receiving end is for being connected with power supply; Atomizer circuit 2 is connected to the PWM frequency output pin of MCU controller 1 by described receiving end; Atomizer circuit 2 is connected to testing circuit 3 by described receiving end.In the present embodiment, described receiving end comprises anode and negative terminal, and PWM frequency output pin, testing circuit 3 are all connected to anode, and anode is also for being connected to positive supply VCC, negativing ending grounding.Wherein, described atomizer circuit 2 does not refer to simple " atomizer " device, also comprise the peripheral circuit being used in conjunction with this device, according to actual service condition and technological thought of the present utility model, those skilled in the art easily expect increasing or changing in the periphery of single " atomizer " device the peripheral circuit of unconventional use, for example drive the circuit (for example capacitor C 4 in the present embodiment and capacitor C 7) of the function such as circuit or filtering of atomizer, then some components and parts from those circuit are extracted a terminal out and are connected with MCU controller 1; Within these situations should be included in protection domain of the present utility model.
Particularly, described testing circuit 3 comprises FET Q1 and sample circuit 31; Atomizer is connected with sample circuit 31 by FET Q1, and sample circuit 31 is connected to the sampled signal input pin of MCU controller 1; The PWM frequency output pin of MCU controller 1 is also connected with atomizer by this FET Q1.The grid of described FET Q1 is connected (particularly with the PWM frequency output pin of MCU controller 1, in the present embodiment, the grid of FET Q1 is connected to this PWM frequency output pin by a resistance R 10, and the grid of FET Q1 is also by resistance R 12 ground connection); The source electrode of FET Q1 is connected to the sampled signal input pin of MCU controller 1 by sample circuit 31; The drain electrode of FET Q1 is connected to atomizer.Wherein, described sample circuit 31 comprises sampling resistor and filter circuit.Described sampling resistor is resistance R 1, and described filter circuit comprises resistance R 2 and capacitor C 1; The first end of resistance R 1 is connected with the source electrode of FET Q1, the second end ground connection of resistance R 1; The first end of resistance R 2 is connected with the first end of resistance R 1, and the second end of resistance R 2 is connected to the sampled signal input pin of MCU controller 1; The second end of resistance R 2 is also connected with the first end of capacitor C 1, the second end ground connection of capacitor C 1.The filter circuit that resistance R 2 and capacitor C 1 form makes the sampled signal input pin of MCU controller 1 can receive a stable signal, make frequency judgement more accurate, and the combining form of resistance R 2 and capacitor C 1 both cost performance was high, avoid again components and parts too much and cause volume to increase; But according to actual conditions, the better filter circuit of filter effect can be set, or filter circuit is not set.The parameter of the various components and parts shown in Fig. 1 is only a kind of embodiment, adjusts according to actual needs device parameters, within also should being included in the utility model.And other functional circuits in micropore atomization device product; such as voltage-stabilized power supply, booster circuit, indicator light circuit etc.; it is not consideration category of the present utility model; no matter whether there are voltage-stabilized power supply, booster circuit, indicator light circuit etc.; as long as adopt the technical solution of the utility model, within all should being included in protection domain of the present utility model.
Operation principle: different frequencies makes the voltage difference of atomizer, and when optimum frequency, it is the highest that magnitude of voltage can reach.When the frequency that the PWM of MCU controller 1 frequency output pin sends, be voltage while reaching the highest, the magnitude of voltage that sampled signal input pin collects is when the highest, and corresponding frequency is the optimum frequency of atomizer atomizing piece.In addition, can utilize the advantage of MCU controller 1 automation, realize all frequencies are all carried out to single pass, find rapidly required optimum frequency, shorten debug time, enhance productivity.For adjusted good frequency in the time that production is dispatched from the factory, but because be sold to abroad, make the situation that causes the centre frequency of atomizing piece to change to some extent due to cold or hot condition, still can fast again debug, reaffirm fast centre frequency, without returning factory's debugging.The utility model aims to provide one can be by above-mentioned principle, realize the micropore atomization device control circuit of this function, as for concrete implementation, for example how to judge that voltage is only peak, those concrete Frequency points need to be tested, not all consideration category of the present utility model; No matter adopt which kind of concrete means that frequency and voltage are judged, detected, as long as having adopted design of the present utility model, all belong to protection domain of the present utility model.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. micropore atomization device control circuit, MCU controller and atomizer circuit, is characterized in that: also comprise testing circuit; Described MCU controller has PWM frequency output pin and sampled signal input pin; The PWM frequency output pin of MCU controller is connected with atomizer circuit; Atomizer circuit is connected to the sampled signal input pin of MCU controller by testing circuit.
2. micropore atomization device control circuit according to claim 1, is characterized in that: described testing circuit comprises FET Q1 and sample circuit; Atomizer circuit is connected with sample circuit by FET Q1, and sample circuit is connected to the sampled signal input pin of MCU controller; The PWM frequency output pin of MCU controller is also connected with atomizer circuit by this FET Q1.
3. micropore atomization device control circuit according to claim 2, is characterized in that: the grid of described FET Q1 is connected with the PWM frequency output pin of MCU controller; The source electrode of FET Q1 is connected to the sampled signal input pin of MCU controller by sample circuit; The drain electrode of FET Q1 is connected to atomizer circuit.
4. according to the micropore atomization device control circuit described in claim 2 or 3, it is characterized in that: described sample circuit comprises sampling resistor and filter circuit.
5. micropore atomization device control circuit according to claim 4, is characterized in that: described sampling resistor is resistance R 1, described filter circuit comprises resistance R 2 and capacitor C 1; The first end of resistance R 1 is connected with the source electrode of FET Q1, the second end ground connection of resistance R 1; The first end of resistance R 2 is connected with the first end of resistance R 1, and the second end of resistance R 2 is connected to the sampled signal input pin of MCU controller; The second end of resistance R 2 is also connected with the first end of capacitor C 1, the second end ground connection of capacitor C 1.
6. micropore atomization device control circuit according to claim 1, is characterized in that: described atomizer circuit is provided with receiving end, and this receiving end is for being connected with power supply; Atomizer circuit is connected to the PWM frequency output pin of MCU controller by described receiving end; Atomizer circuit is connected to testing circuit by described receiving end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420065559.8U CN203737490U (en) | 2014-02-13 | 2014-02-13 | Micro-hole atomizer control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420065559.8U CN203737490U (en) | 2014-02-13 | 2014-02-13 | Micro-hole atomizer control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203737490U true CN203737490U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420065559.8U Expired - Fee Related CN203737490U (en) | 2014-02-13 | 2014-02-13 | Micro-hole atomizer control circuit |
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| CN (1) | CN203737490U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106513233A (en) * | 2016-12-07 | 2017-03-22 | 芯海科技（深圳）股份有限公司 | Micropore atomizer control circuit and power supply state indication method |
| WO2019200709A1 (en) * | 2018-04-17 | 2019-10-24 | 华健 | Portable atomizer with adjustable settings for controlling atomization amount |
-
2014
- 2014-02-13 CN CN201420065559.8U patent/CN203737490U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106513233A (en) * | 2016-12-07 | 2017-03-22 | 芯海科技（深圳）股份有限公司 | Micropore atomizer control circuit and power supply state indication method |
| WO2019200709A1 (en) * | 2018-04-17 | 2019-10-24 | 华健 | Portable atomizer with adjustable settings for controlling atomization amount |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181221 Address after: Room F508, Gonghe Industrial Road, Xixiang Street, Baoan District, Shenzhen City, Guangdong Province Patentee after: SANLITAI INDUSTRIAL (SHENZHEN) CO.,LTD. Address before: Room 508, Gongle Business Center, Block F, Gonghe Industrial Road, Xixiang, Baoan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN SANLITAI TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20220213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |