CN2862503Y - Air blowing switch module unit and electron luminescence device - Google Patents
Air blowing switch module unit and electron luminescence device Download PDFInfo
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- CN2862503Y CN2862503Y CN 200520035509 CN200520035509U CN2862503Y CN 2862503 Y CN2862503 Y CN 2862503Y CN 200520035509 CN200520035509 CN 200520035509 CN 200520035509 U CN200520035509 U CN 200520035509U CN 2862503 Y CN2862503 Y CN 2862503Y
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Abstract
The utility model relates to a blowing switch array and electron lightening device with blowing switch, which latter comprises power supply, blowing switch array connected to the said power supply and LED lightening device and former comprises electret microphone, low pass filter, monostable trigger circuit and switch controlled circuit. The electret microphone is coupled between monostable circuit and ground; low pass filter is connected to the output of monostable trigger circuit; the input of switch controlled circuit is connected to the output of low pass filter; the input of LED lightening device is connected to the output of switch controlled circuit. The structure of the circuit is simple and can be realized easily with low cost. Normally, the switch function can not be triggered, except blowing the electret microphone. Equipped with unique switching manner, the electronic device is more interesting and funny. And because of non-contact, the switching manner is cleaner and the cross pollution is prevented.
Description
[technical field]
The utility model relates to a kind of switching circuit and uses this circuitry electronics, particularly a kind of sound controling switch circuit and use the electronic installation of this circuit.
[background technology]
In the prior art, audio-switch mostly is applied in the lighting circuit of the interior corridor of building, staircase etc.This audio-switch is clapped the hands when speaking footsteps, pedestrian, and lighting is opened in conducting automatically; Automatically reset after a few minutes of delaying time, illuminating lamp is extinguished, both convenient the use can be saved the energy again greatly.This audio-switch is generally very wide to the accommodation of the frequency of source of sound, has higher sensitivity to guarantee it, so it is sensitive to audio response, and various sources of sound all can trigger this sound control circuit.Therefore it can't be applicable to other products, particularly in the low-voltage electronic installation, and its circuit structure more complicated, cost is higher.
[summary of the invention]
The purpose of this utility model: a kind of simple in structure, insufflation switch module that control mode is unique is provided, and uses the electron emitting structure of this module.
For achieving the above object, the utility model proposes a kind of insufflation switch module, comprise electret microphone, stable trigger circuit, the two is connected; Also comprise low-pass filter circuit, described electret microphone is coupled between described low-pass filter circuit input and the ground, and described low-pass filter circuit output is connected with described stable trigger circuit input.
Above-mentioned insufflation switch module also comprises ON-OFF control circuit, and its input is connected with the output of described stable trigger circuit, and output is used for the stable level of output after the triggering of described stable trigger circuit.Described stable trigger circuit comprises second resistance R 2, the 3rd resistance R 3, the first triode Q1, the second triode Q2, first capacitor C 1, described second resistance, one end and described first electric capacity, one end, the base stage of described first triode connects altogether, the described second resistance other end and described the 3rd resistance one end are connected to described power supply altogether, the described second resistance other end and the described first electric capacity other end are connected to described electret microphone one end altogether, the described first triode emitter grounding, collector electrode is connected with described second transistor base, the described second triode emitter grounding, collector electrode is as output.Described low-pass filter circuit comprises first resistance R 1, second capacitor C 2, described first resistance, one end connects power supply, the other end and described second electric capacity, one end are connected to the collector electrode of described first triode altogether, and the described second electric capacity other end and the described second triode emitter-base bandgap grading are connected to ground altogether.
The utility model proposes a kind of electron emitting structure simultaneously, comprise power supply, LED light-emitting device, be connected in the switch module between described power supply, the LED light-emitting device; Described switch module is the insufflation switch module; Described insufflation switch module comprises electret microphone, low-pass filter circuit, stable trigger circuit, ON-OFF control circuit, described electret microphone is coupled between described low-pass filter circuit input and the ground, and described low-pass filter circuit output is connected with described stable trigger circuit input; Its input of described ON-OFF control circuit is connected with the output of described stable trigger circuit, and described LED light-emitting device input is connected in described ON-OFF control circuit output.
The electron emitting structure of above-mentioned inflatable switch comprises that also partial shell is a transparent or semitransparent shell at least, and described power supply, insufflation switch module, LED light-emitting device are integrated in the housing; Described shell offers one group of tiny through hole, and described electret microphone is installed in the shell, the correspondence position of described through hole.
Or the electron emitting structure of above-mentioned inflatable switch, also comprising main casing, candle flame housing, described power supply, insufflation switch module, LED light-emitting device are integrated in the main casing; Described main casing is cylinder or Rotary-table, and its upper surface offers one group of tiny through hole, and described electret microphone is installed in the housing, the correspondence position of described through hole; Described candle flame housing is translucent flamboyancy, is arranged at the upper surface of described main casing, and the emitting led of described LED light-emitting device partly or entirely is installed in the described candle flame housing.
Above-mentioned electron emitting structure, described stable trigger circuit comprises second resistance R 2, the 3rd resistance R 3, the first triode Q1, the second triode Q2, first capacitor C 1, described second resistance, one end and described first electric capacity, one end, the base stage of described first triode connects altogether, the described second resistance other end and described the 3rd resistance one end are connected to described power supply altogether, the described second resistance other end and the described first electric capacity other end are connected to described electret microphone one end altogether, the described first triode emitter grounding, collector electrode is connected with described second transistor base, the described second triode emitter grounding, collector electrode is as output.Described stable trigger circuit also comprises the 3rd capacitor C 3, is connected between the collector electrode and emitter-base bandgap grading of the described second triode Q2.Described low-pass filter circuit comprises first resistance R 1, second capacitor C 2, described first resistance, one end connects power supply, the other end and described second electric capacity, one end are connected to the collector electrode of described first triode altogether, and the described second electric capacity other end and the described second triode emitter-base bandgap grading are connected to ground altogether.
Owing to adopted above scheme, brought following beneficial effect:
Insufflation switch module of the present utility model, circuit structure is simple, easily realizes, and is with low cost, because a low-pass filter circuit is set, switching function can be triggered in the ordinary course of things, have only when electret microphone blown, when electret microphone is sensed the air pressure of certain pressure, just can trigger, make the application circuit conducting or end, application circuit starts or closes, and is very convenient; When it is applied on the low-voltage electronic installation, because its unique on-off mode has increased temperament and interest, interest that electronic installation uses; And, compare health because contactless switch is stopped cross pollution.
Use electron emitting structure such as electric candle, the electronic flash pen etc. of the utility model insufflation switch module, simulate the mode of extinguishing of true candle, just as blowing out real candle, only need it is give a puff, the LED light-emitting device will extinguish, for the user increases temperament and interest, entertaining when using electron emitting structure such as this electric candle, electron luminescence pen.
[description of drawings]
Also in conjunction with the accompanying drawings the utility model is described in further detail below by specific embodiment,
Fig. 1 is the electron emitting structure circuit structure schematic diagram of inflatable switch of the present utility model,
The circuit structure block diagram of Fig. 2 insufflation switch module of the present utility model,
Fig. 3 is the workflow diagram of Fig. 1 electron emitting structure,
Fig. 4 is the circuit theory diagrams that the another kind of insufflation switch module is used;
Fig. 5 is that circuit application shown in Figure 1 is a kind of structural representation of electron luminescence pen,
Fig. 6 is that circuit application shown in Figure 1 is the another kind of structural representation of electron luminescence pen,
Fig. 7 is that circuit application shown in Figure 1 is a kind of structural representation of electric candle,
Fig. 8 is that circuit application shown in Figure 1 is the another kind of structural representation of electric candle.
[embodiment]
As shown in Figure 2, schematic block circuit diagram for a kind of execution mode of insufflation switch module of the present utility model, this insufflation switch module comprises electret microphone MIC, low-pass filter circuit, single-shot trigger circuit, ON-OFF control circuit, electret microphone is coupled between low-pass filter circuit input and the ground, the low-pass filter circuit output is connected with the single-shot trigger circuit input, the ON-OFF control circuit input is connected with the output of single-shot trigger circuit, the output of ON-OFF control circuit is after being triggered by single-shot trigger circuit, exportable stable high level or low level, or square wave, or other waveforms, be connected on the application circuit of its output with driving, as speech chip, illuminating circuit etc.
As shown in Figure 1, this circuit totally is divided into power supply, insufflation switch module, application circuit, and the insufflation switch module comprises sound control circuit, ON-OFF control circuit.Wherein R1, R2, R3, C1, C2, electret microphone MIC, triode Q1, Q2 form sound control circuit, Q1 was not in the saturation conduction state when electret microphone triggered, Q2 ends, ON-OFF control circuit U1 does not work, when electret microphone receives the air pressure of air blowing when (acoustic signals of certain frequency), make Q1 end the Q2 conducting because of C1 can not suddenly change, the Q2 collector electrode has a moment low level triggering control IC switch, returns to initial state again after the C1 discharge.R1, C2 are low-pass filter circuits, when being higher than the upper limiting frequency of low pass filter, source of sound will be difficult to trigger sound control circuit work, ON-OFF control circuit U1 is the flicker one-period that once powers on, two LED of switch control dodge mutually, L1, L2 are output as the complementary waveform that frequency is identical, duty ratio is consistent, so L1, L2 are connected together and form a low level and can work as the negative pole of application circuit, or promote a PNP triode and promote some flashing lights, voice or other application circuits as the positive pole of application circuit.When for AC voltage, also can before the insufflation switch module, add a decompression rectifier filter circuit.In this example, the output of ON-OFF control circuit U1 promotes LED light-emitting diode D4 Chang Liang, promote an electron emitting structure simultaneously, this electron emitting structure comprises logic control circuit U2 and LED illuminating circuit, under the control of logic control circuit, light-emitting diode D1, the D2 in the LED illuminating circuit, D3 simulation candle flame flash jump and on the effect that leaps up.
As Fig. 5, shown in Figure 6, embodiment one for the electron emitting structure of inflatable switch shown in Figure 1, be applied as the electron luminescence pen, in a shell, each circuit is integrated on the pcb board 1, offer the through hole of one group of aperture on the shell less than 3mm, electret microphone 3 is installed on the relevant position of shell inner via hole, and battery 2 is installed in the shell, the detachable replacing, shell is transparent or semitransparent material partly or entirely, and LED light-emitting diode 4 is installed in the transparent or semitransparent position.
As Fig. 7, shown in Figure 8, embodiment two for the electron emitting structure of inflatable switch shown in Figure 1, be applied as electric candle, be provided with housing 6 and candle flame housing 5, shell not is cylinder, candle flame housing is flamboyancy, and by transparent or semitransparent material, candle flame housing is installed in the upper surface center of housing; The upper surface of housing offers the through hole of one group of aperture less than 3mm, and electret microphone 3 is installed on the relevant position of housing inner via hole, and battery 2 is installed in the lower housing portion, the detachable replacing; Each circuit is integrated on the pcb board 1, and the LED light-emitting diode is installed in the candle flame housing.
As shown in Figure 3, be applied to have operational flowchart on the electron emitting structure such as electronic flash pen, electronic flash candle of circuit structure as shown in Figure 1 for insufflation switch module of the present utility model.Its operating voltage range: 2.2-4.5V uses three LR44 button cells, and the way circuit power consumption is little, about the about 50mA of operating current, and the about 250uA of quiescent current, VDD=4.5V, low-pass filtering makes the high frequency source of sound be difficult for circuits for triggering work.Turn-off bright back once when powering on, and blows and open behind the electret microphone, blows again and turn-off, so circulation.Five paths of LEDs flicker simulation candle flame flash jump and on the effect that leaps up, dodge fado sample LED output and all can simulate candle and flash, but single channel output or a few road are connected together.
As shown in Figure 4, be the circuit theory diagrams that the another kind of insufflation switch module is used, adopt a PNP pipe and a relay, the switch control functions of ON-OFF control circuit U1 in the example in the replacement.During air blowing, after audio signal adds to electret microphone, through processing such as low-pass filter circuit frequency-selectings, its output output low level (being high level when not having input signal).At this moment, a PNP pipe that joins with it ends, and makes the relay K outage, the suction point that are connected in the collector circuit separate, thereby remove to control controlled application circuit with its contact.If in order to start, then use often the opening of relay, normally opened contact; If be used for shutdown, then should often adopt and close, move the open type contact.
Claims (10)
1. an insufflation switch module comprises electret microphone, stable trigger circuit, and the two is connected; It is characterized in that: also comprise low-pass filter circuit, described electret microphone is coupled between described low-pass filter circuit input and the ground, and described low-pass filter circuit output is connected with described stable trigger circuit input.
2. insufflation switch module as claimed in claim 1 is characterized in that: also comprise ON-OFF control circuit, its input is connected with the output of described stable trigger circuit, and output is used for the stable level of output after the triggering of described stable trigger circuit.
3. insufflation switch module as claimed in claim 1, it is characterized in that: described stable trigger circuit comprises second resistance (R2), the 3rd resistance (R3), first triode (Q1), second triode (Q2), first electric capacity (C1), described second resistance, one end and described first electric capacity, one end, the base stage of described first triode connects altogether, the described second resistance other end and described the 3rd resistance one end are connected to described power supply altogether, the described second resistance other end and the described first electric capacity other end are connected to described electret microphone one end altogether, the described first triode emitter grounding, collector electrode is connected with described second transistor base, the described second triode emitter grounding, collector electrode is as output.
4. insufflation switch module as claimed in claim 3, it is characterized in that: described low-pass filter circuit comprises first resistance (R1), second electric capacity (C2), described first resistance, one end connects power supply, the other end and described second electric capacity, one end are connected to the collector electrode of described first triode altogether, and the described second electric capacity other end and the described second triode emitter-base bandgap grading are connected to ground altogether.
5. an electron emitting structure comprises power supply, LED light-emitting device, is connected in the switch module between described power supply, the LED light-emitting device; It is characterized in that: described switch module is the insufflation switch module, described insufflation switch module comprises electret microphone, low-pass filter circuit, stable trigger circuit, ON-OFF control circuit, described electret microphone is coupled between described low-pass filter circuit input and the ground, and described low-pass filter circuit output is connected with described stable trigger circuit input; Its input of described ON-OFF control circuit is connected with the output of described single-shot trigger circuit, and described LED light-emitting device input is connected in described ON-OFF control circuit output.
6. electron emitting structure as claimed in claim 5 is characterized in that: comprise that also partial shell is a transparent or semitransparent shell at least, described power supply, insufflation switch module, LED light-emitting device are integrated in the housing; Described shell offers one group of tiny through hole, and described electret microphone is installed in the shell, the correspondence position of described through hole.
7. electron emitting structure as claimed in claim 5 is characterized in that: also comprise main casing, candle flame housing, described power supply, insufflation switch module, LED light-emitting device are integrated in the main casing; Described main casing is cylinder or Rotary-table, and its upper surface offers one group of tiny through hole, and described electret microphone is installed in the housing, the correspondence position of described through hole; Described candle flame housing is translucent flamboyancy, is arranged at the upper surface of described main casing, and the emitting led of described LED light-emitting device partly or entirely is installed in the described candle flame housing.
8. as claim 6 or 7 described electron emitting structures, it is characterized in that: described stable trigger circuit comprises second resistance (R2), the 3rd resistance (R3), first triode (Q1), second triode (Q2), first electric capacity (C1), described second resistance, one end and described first electric capacity, one end, the base stage of described first triode connects altogether, the described second resistance other end and described the 3rd resistance one end are connected to described power supply altogether, the described second resistance other end and the described first electric capacity other end are connected to described electret microphone one end altogether, the described first triode emitter grounding, collector electrode is connected with described second transistor base, the described second triode emitter grounding, collector electrode is as output.
9. electron emitting structure as claimed in claim 8, it is characterized in that: described low-pass filter circuit comprises first resistance (R1), second electric capacity (C2), described first resistance, one end connects power supply, the other end and described second electric capacity, one end are connected to the collector electrode of described first triode altogether, and the described second electric capacity other end and the described second triode emitter-base bandgap grading are connected to ground altogether.
10. electron emitting structure as claimed in claim 8 is characterized in that: described stable trigger circuit also comprises the 3rd electric capacity (C3), is connected between the collector electrode and emitter-base bandgap grading of described second triode (Q2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520035509 CN2862503Y (en) | 2005-09-14 | 2005-09-14 | Air blowing switch module unit and electron luminescence device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520035509 CN2862503Y (en) | 2005-09-14 | 2005-09-14 | Air blowing switch module unit and electron luminescence device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2862503Y true CN2862503Y (en) | 2007-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520035509 Expired - Fee Related CN2862503Y (en) | 2005-09-14 | 2005-09-14 | Air blowing switch module unit and electron luminescence device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2862503Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101241024B (en) * | 2008-02-29 | 2011-05-04 | 北京联合大学 | Sound triggering early-warning system |
| CN103347333A (en) * | 2013-06-21 | 2013-10-09 | 王亚明 | Fire alarm sensing small night lamp circuit |
| CN108511263A (en) * | 2018-01-18 | 2018-09-07 | 深圳艾尼莫科技有限公司 | Insufflation switch |
-
2005
- 2005-09-14 CN CN 200520035509 patent/CN2862503Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101241024B (en) * | 2008-02-29 | 2011-05-04 | 北京联合大学 | Sound triggering early-warning system |
| CN103347333A (en) * | 2013-06-21 | 2013-10-09 | 王亚明 | Fire alarm sensing small night lamp circuit |
| CN103347333B (en) * | 2013-06-21 | 2015-09-09 | 王亚明 | Fire alarm induction small night lamp circuit |
| CN108511263A (en) * | 2018-01-18 | 2018-09-07 | 深圳艾尼莫科技有限公司 | Insufflation switch |
| CN108511263B (en) * | 2018-01-18 | 2023-12-19 | 深圳艾尼莫科技有限公司 | Blowing switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |