CN104851217A - Solar voice welcome alarm circuit - Google Patents
Solar voice welcome alarm circuit Download PDFInfo
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- CN104851217A CN104851217A CN201510274912.2A CN201510274912A CN104851217A CN 104851217 A CN104851217 A CN 104851217A CN 201510274912 A CN201510274912 A CN 201510274912A CN 104851217 A CN104851217 A CN 104851217A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a solar voice welcome alarm circuit, comprising a solar panel T, a human body detection circuit, and a voice circuit. The human body detection circuit comprises a chip IC1, a chip IC2, and a resistor R6. The voice circuit comprises a chip IC6, a loudspeaker B, and a microphone A. The circuit is simple in structure, and a pyroelectric infrared sensor is used as a human body induction element. The circuit is accurate in triggering, and low in false alarm rate, and would not report repeatedly. Solar energy is used to supply power of the circuit. The circuit is green and environmentally protective, and is practical and saves cost. Therefore, the welcome alarm circuit is advantaged by high sensitivity, low false alarm rate, energy conservation, and is green and environmentally protective. The circuit has certain market popularization value.
Description
Technical field
The present invention relates to a kind of sound circuit, specifically a kind of sun power voice greeting device circuit.
Background technology
Guest greeting device is as the product of Modern Electronic science and technology, be widely used in market, the retail shops such as restaurant or community residential building are in front of the door, it can replace manually carrying out voice broadcast, do not need independent Hotel Greeter to stand on doorway always, decrease a large amount of manpowers, thus be subject to liking of people, guest greeting device on market is varied, but most of guest greeting device adopts correlation infrared ray as detection original paper, correlation infrared ray all can make reflection to there being the object blocked, therefore easily report by mistake, most of guest greeting device adopts battery or line voltage to power simultaneously, not only increase extra spending, and battery pollutes the environment, be unfavorable for environmental protection.
Summary of the invention
The object of the present invention is to provide a kind ofly to trigger precisely, the sun power voice greeting device circuit of saves energy, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A kind of sun power voice greeting device circuit, comprise solar panels T, human detection circuit and sound circuit, described human detection circuit comprises chip IC 1, chip IC 2 and resistance R6, and described sound circuit comprises chip IC 6, loudspeaker B and microphone A;
1 pin contact resistance R1 of described chip IC 1 and switch S 1, the other end of switch S 1 connects the positive pole of power supply E1, the negative pole contact resistance R6 of power supply E1, resistance R9, electric capacity C3, 3 pins of chip IC 1 and solar panels T, the other end of 2 pin contact resistance R6 of chip IC 1 and 3 pins of chip IC 2, 2 pin contact resistance R2 of chip IC 2, resistance R7 and electric capacity C1, the other end of resistance R7 connects the other end of electric capacity C3, the other end of resistance R2 connects the other end of electric capacity C1, 1 pin of electric capacity C2 and chip IC 2, the other end contact resistance R5 of electric capacity C2, the other end contact resistance R3 of resistance R1, the anode of diode D5, 4 pins of switch S 2 and chip IC 4, the other end of resistance R3 connects the anode of diode D1 and 2 pins of chip IC 4, the negative electrode of diode D1 connects the anode of diode D2 and 3 pins of chip IC 3, the other end of pin contact resistance R8 of diode D2 and 3 pins of chip IC 5, the other end contact resistance R4 of resistance R5, 2 pins of electric capacity C4 and chip IC 3, the other end of resistance R4 connects the other end of electric capacity C4, 1 pin of chip IC 3, 3 pins of chip IC 4 and 2 pins of chip IC 5, 1 pin of chip IC 4 connects the anode of diode D3, the negative electrode of diode D3 connects the pin of diode D4, the other end of resistance R9 and switch S 3, the anode of diode D4 connects 1 pin of chip IC 5, the pin connecting valve S4 of diode D5 and 3 pins of chip IC 6, the other end of switch S 3 connects 9 pins of chip IC 6, 1 pin of chip IC 6 connects 2 pins of chip IC 6 and ground connection, 5 pins and 6 pins of chip IC 6 are connected the two ends of loudspeaker B respectively, 7 pins and 8 pins of chip IC 6 are connected the two ends of microphone A respectively, the other end of switch S 3 connects the other end of solar panels T.
As preferred version of the present invention: described chip IC 1 is D203S type pyroelectric infrared sensor, and chip IC 2 ~ IC5 is LM339 comparer chip, chip IC 6 is API840N type speech chip.
As preferred version of the present invention: described power supply E1 is 12V battery pack.
Compared with prior art, the invention has the beneficial effects as follows: circuit structure of the present invention is simple, uses first pyroelectric infrared sensor as human body sensing original paper, trigger precisely, rate of false alarm is low, and can not repeatedly broadcasting, circuit adopts solar powered, not only environmental protection, and practical cost-saving.Therefore this guest greeting device circuit have highly sensitive, rate of false alarm is low, the advantage of saves energy and environmental protection, has certain market popularization value.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of sun power voice greeting device circuit.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, a kind of sun power voice greeting device circuit, comprises solar panels T, human detection circuit and sound circuit, and human detection circuit comprises chip IC 1, chip IC 2 and resistance R6, and sound circuit comprises chip IC 6, loudspeaker B and microphone A;
1 pin contact resistance R1 of described chip IC 1 and switch S 1, the other end of switch S 1 connects the positive pole of power supply E1, the negative pole contact resistance R6 of power supply E1, resistance R9, electric capacity C3, 3 pins of chip IC 1 and solar panels T, the other end of 2 pin contact resistance R6 of chip IC 1 and 3 pins of chip IC 2, 2 pin contact resistance R2 of chip IC 2, resistance R7 and electric capacity C1, the other end of resistance R7 connects the other end of electric capacity C3, the other end of resistance R2 connects the other end of electric capacity C1, 1 pin of electric capacity C2 and chip IC 2, the other end contact resistance R5 of electric capacity C2, the other end contact resistance R3 of resistance R1, the anode of diode D5, 4 pins of switch S 2 and chip IC 4, the other end of resistance R3 connects the anode of diode D1 and 2 pins of chip IC 4, the negative electrode of diode D1 connects the anode of diode D2 and 3 pins of chip IC 3, the other end of pin contact resistance R8 of diode D2 and 3 pins of chip IC 5, the other end contact resistance R4 of resistance R5, 2 pins of electric capacity C4 and chip IC 3, the other end of resistance R4 connects the other end of electric capacity C4, 1 pin of chip IC 3, 3 pins of chip IC 4 and 2 pins of chip IC 5, 1 pin of chip IC 4 connects the anode of diode D3, the negative electrode of diode D3 connects the pin of diode D4, the other end of resistance R9 and switch S 3, the anode of diode D4 connects 1 pin of chip IC 5, the pin connecting valve S4 of diode D5 and 3 pins of chip IC 6, the other end of switch S 3 connects 9 pins of chip IC 6, 1 pin of chip IC 6 connects 2 pins of chip IC 6 and ground connection, 5 pins and 6 pins of chip IC 6 are connected the two ends of loudspeaker B respectively, 7 pins and 8 pins of chip IC 6 are connected the two ends of microphone A respectively, the other end of switch S 3 connects the other end of solar panels T.
Chip IC 1 is D203S type pyroelectric infrared sensor, and chip IC 2 ~ IC5 is LM339 comparer chip, and chip IC 6 is API840N type speech chip.
Power supply E1 is 12V battery pack.
Principle of work of the present invention is: the guest greeting device made by this circuit is placed on outdoor, solar panels T accepts sunlight and carries out opto-electronic conversion, time sunlight is good, the output electric energy of solar panels divides duplex feeding, one tunnel supply battery pack E1 charge, another road supplier with testing circuit and sound circuit, need use guest greeting device time, first the switch S 4 pinning speech chip IC6 starts recording, and user records facing to microphone A.After End of Tape, cut-off switch S4.When needing revised context, repeat operation last time, when people walks about before pyroelectric infrared sensor IC1.IC1 senses the infrared signal of human body and light, sunshine and other radiation sources is filtered, to suppress interference.Pyroelectric infrared sensor IC1 receives induced signal.Outputted in the multistage amplifier circuit be made up of core IC2 ~ IC5 by 2 pins.Multipole amplifying circuit is input to 9 pins of chip IC 6 after signal is amplified to certain value, thus triggering voice chip IC 6, the recorded audio signals of speech chip IC6 internal reservoir is triggered, loudspeaker B sounding on 5 pins through being connected to IC6 and 6 pins, tone period is 2s, if do not have human body signal or people not to move before lens before pyroelectric infrared sensor IC1, the then output voltage stabilization of chip IC 2 and IC3, IC3 and IC4 work can not be triggered. speech chip does not work, and decreases the waste of energy of repeatedly broadcasting and wrong report.The electric energy be stored in battery pack E1 can be used time sunlight is bad, reach the object of effective saves energy and decreasing pollution.
Claims (3)
1. a sun power voice greeting device circuit, comprise solar panels T, human detection circuit and sound circuit, it is characterized in that, described human detection circuit comprises chip IC 1, chip IC 2 and resistance R6, and described sound circuit comprises chip IC 6, loudspeaker B and microphone A;
1 pin contact resistance R1 of described chip IC 1 and switch S 1, the other end of switch S 1 connects the positive pole of power supply E1, the negative pole contact resistance R6 of power supply E1, resistance R9, electric capacity C3, 3 pins of chip IC 1 and solar panels T, the other end of 2 pin contact resistance R6 of chip IC 1 and 3 pins of chip IC 2, 2 pin contact resistance R2 of chip IC 2, resistance R7 and electric capacity C1, the other end of resistance R7 connects the other end of electric capacity C3, the other end of resistance R2 connects the other end of electric capacity C1, 1 pin of electric capacity C2 and chip IC 2, the other end contact resistance R5 of electric capacity C2, the other end contact resistance R3 of resistance R1, the anode of diode D5, 4 pins of switch S 2 and chip IC 4, the other end of resistance R3 connects the anode of diode D1 and 2 pins of chip IC 4, the negative electrode of diode D1 connects the anode of diode D2 and 3 pins of chip IC 3, the other end of pin contact resistance R8 of diode D2 and 3 pins of chip IC 5, the other end contact resistance R4 of resistance R5, 2 pins of electric capacity C4 and chip IC 3, the other end of resistance R4 connects the other end of electric capacity C4, 1 pin of chip IC 3, 3 pins of chip IC 4 and 2 pins of chip IC 5, 1 pin of chip IC 4 connects the anode of diode D3, the negative electrode of diode D3 connects the pin of diode D4, the other end of resistance R9 and switch S 3, the anode of diode D4 connects 1 pin of chip IC 5, the pin connecting valve S4 of diode D5 and 3 pins of chip IC 6, the other end of switch S 3 connects 9 pins of chip IC 6, 1 pin of chip IC 6 connects 2 pins of chip IC 6 and ground connection, 5 pins and 6 pins of chip IC 6 are connected the two ends of loudspeaker B respectively, 7 pins and 8 pins of chip IC 6 are connected the two ends of microphone A respectively, the other end of switch S 3 connects the other end of solar panels T.
2. a kind of sun power voice greeting device circuit according to claim 1, is characterized in that, described chip IC 1 is D203S type pyroelectric infrared sensor, and chip IC 2 ~ IC5 is LM339 comparer chip, and chip IC 6 is API840N type speech chip.
3. a kind of sun power voice greeting device circuit according to claim 1, it is characterized in that, described power supply E1 is 12V battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510274912.2A CN104851217A (en) | 2015-05-26 | 2015-05-26 | Solar voice welcome alarm circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510274912.2A CN104851217A (en) | 2015-05-26 | 2015-05-26 | Solar voice welcome alarm circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104851217A true CN104851217A (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510274912.2A Pending CN104851217A (en) | 2015-05-26 | 2015-05-26 | Solar voice welcome alarm circuit |
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| Country | Link |
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| CN (1) | CN104851217A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111105683A (en) * | 2020-01-09 | 2020-05-05 | 北京中诚博睿教育科技有限公司 | Electronic welcome device intelligence-developing teaching aid for children |
Citations (6)
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|---|---|---|---|---|
| JPS644188A (en) * | 1987-06-25 | 1989-01-09 | Matsushita Electric Works Ltd | Doorphone slave set with camera |
| CN2179609Y (en) * | 1993-12-23 | 1994-10-12 | 寿邵智 | Thermal releasing-electricity many red infrared sensing voice alarm |
| CN101661656A (en) * | 2008-08-26 | 2010-03-03 | 宋志勇 | Anti-theft alarm |
| US20100328079A1 (en) * | 2009-06-26 | 2010-12-30 | Hon Hai Precision Industry Co., Ltd. | Protecting system and method for camera |
| CN204044948U (en) * | 2014-09-05 | 2014-12-24 | 浙江科技学院 | Solar powered museum entrance guest greeting device |
| CN204695465U (en) * | 2015-05-26 | 2015-10-07 | 苏州福利恒电子科技有限公司 | A kind of sun power voice greeting device circuit |
-
2015
- 2015-05-26 CN CN201510274912.2A patent/CN104851217A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS644188A (en) * | 1987-06-25 | 1989-01-09 | Matsushita Electric Works Ltd | Doorphone slave set with camera |
| CN2179609Y (en) * | 1993-12-23 | 1994-10-12 | 寿邵智 | Thermal releasing-electricity many red infrared sensing voice alarm |
| CN101661656A (en) * | 2008-08-26 | 2010-03-03 | 宋志勇 | Anti-theft alarm |
| US20100328079A1 (en) * | 2009-06-26 | 2010-12-30 | Hon Hai Precision Industry Co., Ltd. | Protecting system and method for camera |
| CN204044948U (en) * | 2014-09-05 | 2014-12-24 | 浙江科技学院 | Solar powered museum entrance guest greeting device |
| CN204695465U (en) * | 2015-05-26 | 2015-10-07 | 苏州福利恒电子科技有限公司 | A kind of sun power voice greeting device circuit |
Non-Patent Citations (1)
| Title |
|---|
| 王俊峰等: "《实用电路手册》", 31 January 2010 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111105683A (en) * | 2020-01-09 | 2020-05-05 | 北京中诚博睿教育科技有限公司 | Electronic welcome device intelligence-developing teaching aid for children |
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Application publication date: 20150819 |