CN201355508Y

CN201355508Y - Multiple-switch optic-controlled quiet reminder

Info

Publication number: CN201355508Y
Application number: CNU2009201405419U
Authority: CN
Inventors: 魏智
Original assignee: Guangxi University
Current assignee: Guangxi University
Priority date: 2009-02-26
Filing date: 2009-02-26
Publication date: 2009-12-02
Anticipated expiration: 2019-02-26

Abstract

The utility model discloses a multiple-switch optic-controlled quiet reminder, which comprises an optic-controlled unit, a sound sensing unit, a magnifying unit, a level control unit, a lighting circulation flash unit and a variable color small bulb LED (light emitting diode) group. The multiple-switch optic-controlled quiet reminder has the advantage that after the noise achieves certain value, the automatic reminding function in various states can be realized through the multiple switches.

Description

Many switches can light-operated quiet reminiscences

Technical field

The utility model relates to electronic technology field, specifically is that a kind of many switches can light-operated quiet reminiscences.

Background technology

Though inspiring my idea is to have reserved house rule in the dormitory, evening all automatic making a noise, once reminding everybody also all can quiet down.So I want to design a kind of works that can remind automatically.Number of patent application 200720083832.X title " noise alarm ", its weak point 1. adopts sound prompting as the noise alerting pattern, needs the situation of control sound originally, adopts sound prompting, sometimes not only can be flooded, and bring new noise for environment by noise.2. I think that this technical scheme is too simple, and claims notion is unclear.The multi-functional quiet prompting device of number of patent application 88220733.4 titles, its weak point is the circuit structure complexity, and realizes that function ratio lacks practicality: alerting pattern is sound and illumination, and individual logic determines system is arranged between the two, causes structure complicated.

The utility model content

The utility model is in order to overcome the deficiencies in the prior art, and it is after noise reaches particular value that a kind of major function is provided, and can realize that many switches of prompting function can light-operated quiet reminiscences.

In order to solve the problems of the technologies described above, the technical solution of the utility model is:

Many switches can light-operated quiet reminiscences, it is characterized in that it is made of six assemblies, is respectively optical control element I, sound sensitive unit II, and amplifying unit III, electrical level control unit IV, the light circulation is dodged and is shown unit V, changeable colour miniature bulb LED group VI.

Described optical control element I is that electronic switch integrated circuit (IC) 1, relay K and the diode VD of TWH8751 forms by photo-resistor RG, resistor R 1, R2, variohm RP, the model of band shadow shield: wherein, sliding change device RP and RG, R1 series connection back and capacitor C 4 parallel connections are connected the slider of RP more respectively with No. 2 pins of the continuous IC1 of power positive cathode, No. 3 pin connects power cathode, and string R2 connects positive source again behind 1, No. 5 pin short circuit; K and No. 4 pins of a termination after VD is in parallel, a termination power positive pole.

Described sound sensitive unit II is made up of resistance R 3 and electret formula microphone M and capacitance C1: M back two termination power positive cathodes of connecting with R3 wherein, and between C1 one termination M and the R3.

Described amplifying unit III is made up of resistance R 4, variohm R5 and triode T1: wherein, triode T1 base stage connects the end of capacitor C 1 an other end and R4 respectively, emitter connects power cathode, and collector connects the B1 utmost point of R5, IC2 respectively, the other termination positive pole of R4 and R5.

Described electrical level control unit IV is made up of capacitor C 2, resistance R 6 and two monostable 74LS221 type IC2: wherein meet C2 between 1 of IC2,2 pins, 2 pins are gone here and there R6 again, connect positive source again, and 3 pins connect power cathode, and Q1 joins with input end with door H3.

The circulation of described light is dodged and shown that unit V is by oscillator, form with a door H3, resistance R 8: wherein oscillator is made up of not gate H1, H2, variohm R7, C3; Not gate H2 and C3 conspire to create the closed-loop path, and rheostat R7 is in parallel with H1, and the end of R7 connects the input end of H3 again, and the output terminal of H3 is succeeded electric switch K, and crosstalk hinders R8 again, and the other end of R8 connects the base stage of T2 again.

Described changeable colour miniature bulb LED group VI is by a plurality of 2EF301 type light emitting diode G1, G2, form with triode T2, T3 and K switch 1, resistance R 9, R10, R11: the collector of T2 meets base stage and the R9 of T3 respectively, R9 connects positive source again, connect positive source behind the collector crosstalk resistance R10 of triode T3, the emitter of T3 connects the positive pole after all G1 parallel connections, one termination power positive pole of K switch 1, the positive pole after all the G2 parallel connections of another termination.Lamp group's negative pole connects power cathode.

The utility model advantage compared with the prior art:

1. wanting function promptly is after noise reaches particular value, can realize prompting function.

2. secondly be the realization (synoptic diagram is with reference to lantern slide) that can solve various states by switch.

3. also automatic function can be realized,, the different state of realization under the different light can be implemented in if enable light control system.When light control system was worked, this utility model can be implemented in did not work daytime automatically, when illumination is dark, got final product the function of work.

4. this utility model also has a plurality of switches, when the switch of closing light control system, can work any time no matter total system is said; When the switch of closing lighting system, green light will not light, and when noise was big, red light lighted, and light will no longer be orange, but red, has changed the color of display system, makes the people be difficult for producing aestheticly tired

5. be that green light is bright generally speaking, green light and red light are simultaneously bright, and corresponding states is when K1 connects, is that the green light group is bright when quiet, and the finding color is orange when noisy.If K1 disconnects, green light does not work when quiet, is that red light is bright when noisy.

The quiet prompting device of the many switches of acoustic control can with clock, desk lamp, thermometer are combined and can be played good combined effect.

Description of drawings

Fig. 1 is that the many switches of the utility model can the automatic reminiscences structural representation of light-operated peace and quiet.

Among the figure: optical control element I, sound sensitive unit II, amplifying unit III, electrical level control unit IV, the light circulation is dodged and is shown unit V, changeable colour miniature bulb LED group VI.

Embodiment

Below in conjunction with accompanying drawing the utility model is further described.

Optical control element I in Fig. 1, sound sensitive unit II, amplifying unit III, electrical level control unit IV, the light circulation is dodged and is shown unit V, changeable colour miniature bulb LED group VI.

Be provided with radical occlusion device before the light controlling device photoresistance RG, can control optical control element and whether work.When not needing " many switches can the automatic reminiscences of light-operated peace and quiet " time segment to remind, close radical occlusion device, promptly close the illumination function.

Photoresistance RG is furnished with shadow shield, the shadow shield that closes, the unglazed photograph of photoresistance RG, relay K inhale and, whenever device all can play prompting function.

Photoresistance RG is subjected to rayed to form low resistive state, makes 2 pins (gating end) and 4 pins (output terminal) of IC1 be high level, and its inner electronic switch is in cut-off state, and relay K disconnects; Whole device can not play prompting function when illumination was arranged.

The unglazed photograph of photoresistance RG is high-impedance state, and 2 pins of IC1 become low level, and its inner electronic switch is connected, and prompting function has been installed in the K adhesive.

When microphone receives an of short duration confused noise, produce voltage signal, earlier through capacitance C1, amplify by triode T1 and to remove to trigger monostable circuit IC1, make it to enter temporary stable state, its Q1 end output one high level, the circulation of control light is dodged and is shown the unit.

With the voltage of door input end be a concussion pulse signal.When the Q of monostable circuit IC2 end high level is delivered to 2 ends input with door.Satisfy the relay K adhesive simultaneously, immediately the concussion pulse signal of oscillator is delivered to triode T2, T3, make it to end with pulse signal circulation conducting with door.Thereby LED group is circulated glittering.

Light emitting diode inside among the VI has red, and green two luminous dies externally have 3 pins, G1 (red tube core anode), G2 (green tube core anode), C (the public negative terminals of two tube cores).All C end all connects power supply negative terminal during place in circuit, and luminotron G1 end meets T3 after parallel with one another, and promptly the luminance of red tube core is by triode T3 control, and all green tube cores are that the G2 end connects power supply after parallel with one another, i.e. green light Chang Liang.The duty of green light can be by K switch 1 control.

Annotate: regulate the resistance of slide rheostat RP, can change light-operated sensitivity, regulate variable resistor R7 and can regulate the light flash frequency.

Claims

1. many switches can light-operated quiet reminiscences, it is characterized in that it is made of six assemblies, be respectively optical control element (I), sound sensitive unit (II), amplifying unit (III), electrical level control unit (IV), the light circulation is dodged and is shown unit (V), changeable colour miniature bulb LED group (VI).

2. many switches according to claim 1 can light-operated quiet reminiscences, it is characterized in that described optical control element (I) is that electronic switch integrated circuit (IC) 1, relay K and the diode VD of TWH8751 forms by photo-resistor RG, resistor R 1, R2, variohm RP, the model of band shadow shield: wherein slidingly link to each other with power positive cathode respectively again with capacitor C 4 parallel connections after becoming device RP and RG, R1 series connection; No. 2 pins of IC1 connect the slider of RP, and No. 3 pin connects power cathode, and string R2 connects positive source again behind 1, No. 5 pin short circuit; K and No. 4 pins of a termination after VD is in parallel, a termination power positive pole.

3. many switches according to claim 1 can light-operated quiet reminiscences, it is characterized in that, described sound sensitive unit (II) is made up of resistance R 3 and electret formula microphone M and capacitance C1: M back two termination power positive cathodes of connecting with R3 wherein, and between C1 one termination M and the R3.

4. many switches according to claim 1 can light-operated quiet reminiscences, it is characterized in that, described amplifying unit (III) is made up of resistance R 4, variohm R5 and triode T1: wherein triode T1 base stage connects the end of capacitor C 1 an other end and R4 respectively, emitter connects power cathode, collector connects the B1 utmost point of R5, IC2 respectively, the other termination positive pole of R4 and R5.

5. many switches according to claim 1 can light-operated quiet reminiscences, it is characterized in that, described electrical level control unit (IV) is made up of capacitor C 2, resistance R 6 and two monostable 74LS221 type IC2: wherein meet C2 between 1 of IC2,2 pins, 2 pins are gone here and there R6 again, connect positive source again, 3 pins connect power cathode, Q1 with join with the input end of door H3.

6. many switches according to claim 1 can light-operated quiet reminiscences, it is characterized in that, described light circulation is dodged and shown that unit (V) is by oscillator, form with a door H3, resistance R 8: wherein oscillator is made up of not gate H1, H2, variohm R7, C3; Not gate H2 and C3 conspire to create the closed-loop path, and rheostat R7 is in parallel with H1, and the end of R7 connects the input end of H3 again, and the output terminal of H3 is succeeded electric switch K, go here and there R8 again, and the other end of R8 connects the base stage of T2 again.

7. many switches according to claim 1 can light-operated quiet reminiscences, it is characterized in that, described changeable colour miniature bulb LED group (VI) is by a plurality of 2EF301 type light emitting diode G1, G2, with triode T2, T3 and K switch 1, resistance R 9, R10, R11 forms: wherein the collector of T2 meets base stage and the R9 of T3 respectively, R9 connects positive source again, connect positive source behind the collector string R10 of triode T3, the emitter of T3 connects the positive pole after all G1 parallel connections, a termination power positive pole of K switch 1, positive pole after all the G2 parallel connections of another termination, lamp group's negative pole connects power cathode.