CN101807041A - Sound-controlled speaking clock - Google Patents
Sound-controlled speaking clock Download PDFInfo
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- CN101807041A CN101807041A CN201010123516A CN201010123516A CN101807041A CN 101807041 A CN101807041 A CN 101807041A CN 201010123516 A CN201010123516 A CN 201010123516A CN 201010123516 A CN201010123516 A CN 201010123516A CN 101807041 A CN101807041 A CN 101807041A
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Abstract
The invention discloses a sound-controlled speaking clock. The clock comprises a speaking clock in which a sound-controlled circuit is arranged, wherein the sound-controlled circuit is a sound-controlled flash special integrated circuit which comprises an amplifying circuit, a delay circuit and a driving circuit; the input end of the amplifying circuit is connected with an electret condenser microphone, and the output end of the amplifying circuit is connected with the input end of the delay circuit; the output end of the delay circuit is connected with the input end of the driving circuit; the output end of the driving circuit is connected with the input end of a photoelectric coupler; and the output end of the photoelectric coupler is connected with a timing key of the speaking clock. The sound-controlled speaking clock has the characteristics of simple structure and convenient use. When time needs knowing, hands are clapped or other sounds are made to remotely control the speaking clock to speak an instant moment in a convenient and interesting way.
Description
Technical field
The present invention relates to the clock in a kind of daily living article, specifically, what relate to is a kind of sound-controlled speaking clock.
Background technology
Commercially available ordinary electronic speaking clock just can be quoted the time after need leaning on staff operation push-button switch, it is not too convenient that some occasion (listening the time etc. as wake up night, bed patient) uses the time of listening, if so can be when wanting to listen the time, allow speaking clock oneself quote the time by remote control (as the most simple acoustic control) way, can provide convenience for these occasions and people.
Summary of the invention
The objective of the invention is to solve above-mentioned deficiency of the prior art, provide a kind of sound-controlled speaking clock, when needs are known the time, as long as need clap palm or send other sound, be that remote-controlled time signal clock is quoted the instant moment with Chinese, convenient and interesting.
For realizing above-mentioned purpose, sound-controlled speaking clock of the present invention comprises speaking clock, is provided with sound control circuit in described speaking clock.Described sound control circuit is fairly simple, it has mainly adopted an acoustic control flash of light special IC, described acoustic control flash of light special IC comprises amplifying circuit, delay circuit and driving circuit, the input end of amplifying circuit connects Electret condenser microphone, the output terminal connection delay circuit input end of amplifying circuit, the delay circuit output terminal connects the driving circuit input end, and the driving circuit output terminal connects the input end of photoelectrical coupler, and the output terminal of photoelectrical coupler connects the button that gives the correct time of speaking clock.
Further, described photoelectrical coupler is made of light emitting diode and corresponding photo-resistor thereof.Among the present invention, after Electret condenser microphone receives a voice signal that frequency is higher, sound is bigger, just sound wave is converted into corresponding ultra-weak electronic signal.This signal directly drives the built-in lumination of light emitting diode of photoelectrical coupler after acoustic control flash of light special IC internal circuit amplifies, postpones, make corresponding photo-resistor be low-resistance value, is equivalent to supress the button that gives the correct time of speaking clock.So the circuit that gives the correct time in the speaking clock is subjected to triggering work, quotes the instant moment to owner.
Further, the external delay capacitor of described acoustic control flash of light special IC, this delay capacitor output terminal is connected to the delay circuit of acoustic control flash of light special IC inside, the time delay of its decision integrated package internal wiring.Here obtain the delay capacitor capacity bigger, so that the button two ends of giving the correct time of speaking clock just only are subjected to the triggering of a long pulse, the triggering of sound wave more can not be subjected to giving the correct time, speaking clock only reports a time just to stop automatically, thus more than phenomenon during the wrong report that has effectively prevented to produce owing to the trigger action of giving the correct time.
The present invention is provided with sound control circuit in existing speaking clock commonly used, be that acoustic control, hand are by dual-purpose time signal clock thereby make the transformation and upgrade of normal speech time signal clock.Compare with existing commercially available ordinary electronic speaking clock, the present invention is simple in structure, easy to use, only need clap palm during use, promptly remote-controlled time signal clock is quoted the instant moment with Chinese, and is convenient and interesting, some occasion (listening the time etc.) as wake up night, bed patient the time of listening, if when wanting to listen the time, allow speaking clock oneself quote the time, for these occasions and people provide convenience by the most simple acoustic control way.
Description of drawings
Fig. 1 is the circuit theory diagrams of a specific embodiment of the present invention.
Fig. 2 is the making schematic diagram of photoelectrical coupler in the one embodiment of the invention.
Fig. 3 is the structure principle chart of one embodiment of the invention sound control circuit.
Embodiment
The technical solution of the present invention is further explained below in conjunction with drawings and Examples, but following content is not intended to limit the scope of the invention.
As shown in Figure 1, wherein dotted line the right is the original circuit of speaking clock, and the dotted line left side is newly-increased sound control circuit.Present embodiment provides a kind of sound-controlled speaking clock.Described sound-controlled speaking clock comprises speaking clock, is provided with sound control circuit in described speaking clock.
Described sound control circuit adopts an acoustic control flash of light special IC A1.Described acoustic control flash of light special IC A1 comprises amplifying circuit, delay circuit and driving circuit, the input end of amplifying circuit connects Electret condenser microphone B, the output terminal connection delay circuit input end of amplifying circuit, the delay circuit output terminal connects the driving circuit input end, the driving circuit output terminal connects the input end of photoelectrical coupler A2, and the output terminal of photoelectrical coupler A2 connects the button SB that gives the correct time of speaking clock.
Further, described photoelectrical coupler A2 is made of interior light emitting diode VD that establishes and photo-resistor RL.
In the present embodiment, after Electret condenser microphone B receives a voice signal that frequency is higher, sound is bigger (as the sound of clapping the hands), just sound wave is converted into corresponding ultra-weak electronic signal.This signal is after acoustic control flash of light special IC A1 internal circuit amplifies, postpones, and the built-in light emitting diode VD that directly drives photoelectrical coupler A2 is luminous, makes corresponding photo-resistor RL be low-resistance value, is equivalent to supress the button SB that gives the correct time of speaking clock.So the circuit that gives the correct time in the speaking clock is subjected to triggering work, quotes the instant moment to owner.
In the present embodiment, the external delay capacitor C2 of described acoustic control flash of light special IC A1, this delay capacitor C2 output terminal are connected to the delay circuit of acoustic control flash of light special IC A1 inside, the time delay of its decision integrated package internal wiring.Here delay capacitor C2 capacity is obtained greatlyyer, triggered in the process of giving the correct time so that clap the hands, light emitting diode VD is luminous all the time not to be put out and can not glimmer.Like this in the whole process of giving the correct time, the button SB two ends of giving the correct time of speaking clock just only are subjected to the triggering of a long pulse, the triggering of sound wave more can not be subjected to giving the correct time, speaking clock only reports a time just to stop automatically, thus more than phenomenon during the wrong report that has effectively prevented to produce owing to the trigger action of giving the correct time.
In the present embodiment, acoustic control flash of light special IC A1 RY401 type acoustic control formula flash of light integrated circuit.This integrated package adopts Soft Roll encapsulation, and its silicon wafer is encapsulated on the little printed wiring board of disc with black cream, and two kinds of packing forms of φ 12mm and φ 18mm (its 6th pin and the 9th pin link together) are arranged, here should be with first kind of little chip of volume.The major parameter of RY401: operating voltage range 2~6V, quiescent current≤0.5mA, input signal sensitivity≤18dB, output driving current 〉=150mA.The also available like product 5G0401 of RY401 direct substitution.
In the present embodiment, photoelectrical coupler A2 reference self-control shown in Figure 2: with adhesive tape light emitting diode VD and photo-resistor RL are spooled the top earlier, overlap the preceding paragraph black plastic pipe then, two ends usefulness pitch sealing.Light emitting diode VD should use φ 5mm high brightness white or yellow light-emitting diode; Photo-resistor RL selects the MG45-03 type for use, and the photo-resistor of other bright resistance≤5k Ω, resistance in the dark 〉=1M Ω also can substitute.1.5 yuan of every cost less thaies of this self-control photoelectrical coupler, fine through practical effect.
In the present embodiment, acoustic control flash of light special IC A1 also is connected with capacitor C1, capacitor C1 CT4D type monolithic capacitor, delay capacitor C2 CD11-10V type electrolytic condenser.Electret condenser microphone B is with small-sized electret capacitor microphone commonly used in the radio cassette player, as CM-18W, CRZ2-9 type etc.
In the present embodiment, speaking clock must have certain volume, so that pack sound control circuit in its base cavity; The circuit that gives the correct time also must be the trigger action mode, no matter promptly press the keyswitch SB time length of giving the correct time, only reports the time one time at every turn.
Whole sound control circuit is by shown in Figure 3, is that substrate welds with the chip of acoustic control flash of light special IC A1, needn't manufacture printed circuit board in addition again.The electric soldering iron shell must good earth during welding, in order to avoid ac induction voltage punctures the inner CMOS integrated circuit of A1.The circuit that welding is good is directly packed in the base cavity of common desk-top speaking clock, and its a lead riser connects 3V anode in the clock, and the d lead riser connects battery cathode, two lead risers of b, c are regardless of order when being informed of a case keyswitch two ends.An aperture is opened in clock shell appropriate position, as the sense sound hole of Electret condenser microphone B.The acoustic control speaking clock of changing system into need not be debugged just energy operate as normal, and its effective remote control distance just in time satisfies general family and uses needs about 5m.If sensitivity is too high, just is subjected to indoor other sound wave easily and disturbs.At this moment, can install acoustical material (as cotton, sponge etc.) by front additional and be reduced, till meeting the requirements at Electret condenser microphone B.Because power consumption was minimum when sound control circuit was static, therefore power switch needn't be set.
By above embodiment as can be seen, the present invention is simple in structure, and is easy to use, simple for production, and when needs were known the time, as long as need clap palm or send other sound, promptly remote-controlled time signal clock is quoted the instant moment with Chinese, and was convenient and interesting.
Claims (9)
1. sound-controlled speaking clock, comprise speaking clock, it is characterized in that: in described speaking clock, be provided with sound control circuit, described sound control circuit adopts an acoustic control flash of light special IC, described acoustic control flash of light special IC comprises amplifying circuit, delay circuit and driving circuit, the input end of amplifying circuit connects Electret condenser microphone, the output terminal connection delay circuit input end of amplifying circuit, the delay circuit output terminal connects the driving circuit input end, the driving circuit output terminal connects the input end of photoelectrical coupler, and the output terminal of photoelectrical coupler connects the button that gives the correct time of speaking clock.
2. sound-controlled speaking clock according to claim 1 is characterized in that: described photoelectrical coupler is made of light emitting diode and corresponding photo-resistor thereof.
3. sound-controlled speaking clock according to claim 1 is characterized in that: the external delay capacitor of described acoustic control flash of light special IC, this delay capacitor output terminal is connected to the delay circuit of acoustic control flash of light special IC inside.
4. sound-controlled speaking clock according to claim 3 is characterized in that: described delay capacitor CD11-10V type electrolytic condenser.
5. according to claim 1 or 3 described sound-controlled speaking clocks, it is characterized in that: described acoustic control flash of light special IC RY401 type acoustic control formula flash of light integrated circuit.
6. according to claim 1 or 3 described sound-controlled speaking clocks, it is characterized in that: described acoustic control flash of light special IC is connected with another capacitor.
7. sound-controlled speaking clock according to claim 6 is characterized in that: described capacitor CT4D type monolithic capacitor.
8. sound-controlled speaking clock according to claim 1 is characterized in that: described Electret condenser microphone small-sized electret capacitor microphone commonly used in the radio cassette player.
9. sound-controlled speaking clock according to claim 1 is characterized in that: the sound control circuit of packing in the base cavity of described speaking clock, the circuit that gives the correct time of described speaking clock must be the trigger action mode.
Priority Applications (1)
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CN201010123516A CN101807041A (en) | 2010-03-12 | 2010-03-12 | Sound-controlled speaking clock |
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CN201010123516A CN101807041A (en) | 2010-03-12 | 2010-03-12 | Sound-controlled speaking clock |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103618532A (en) * | 2013-12-09 | 2014-03-05 | 黄倜 | Optical control switch |
CN107608195A (en) * | 2017-09-25 | 2018-01-19 | 厦门理工学院 | A kind of shadow read clock, its synchronisation control means and its substep control method |
-
2010
- 2010-03-12 CN CN201010123516A patent/CN101807041A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103618532A (en) * | 2013-12-09 | 2014-03-05 | 黄倜 | Optical control switch |
CN107608195A (en) * | 2017-09-25 | 2018-01-19 | 厦门理工学院 | A kind of shadow read clock, its synchronisation control means and its substep control method |
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Application publication date: 20100818 |