CN202563634U - Smoke alarm realized based on single chip microcomputer - Google Patents
Smoke alarm realized based on single chip microcomputer Download PDFInfo
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- CN202563634U CN202563634U CN2012202313721U CN201220231372U CN202563634U CN 202563634 U CN202563634 U CN 202563634U CN 2012202313721 U CN2012202313721 U CN 2012202313721U CN 201220231372 U CN201220231372 U CN 201220231372U CN 202563634 U CN202563634 U CN 202563634U
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Abstract
The utility model provides a smoke alarm realized based on a single chip microcomputer. The alarm comprises a gas sensitive sensor, an STC89S52 single chip microcomputer, an alarm driving circuit and a mobile phone communication circuit provided with an SMI card slot. The gas sensitive sensor, the alarm driving circuit and the mobile phone communication circuit provided with the SMI card slot are connected with the STC89S52 single chip microcomputer. The utility model is simple in structure, uses the single chip microcomputer to realize the function of alarm, and has low production cost. With the mobile phone communication circuit provided with the SMI card slot, when an alarm occurs, short messages are sent to notify users who are not at the fire scene through the circuit, thus casualties and property losses are minimized.
Description
Technical field
The utility model relates to the communication apparatus technical field, is meant a kind of smoke alarm based on chip microcontroller especially.
Background technology
Now various alarm emerges in an endless stream, and also each is variant for different environments for use, the type of alarm that it adopted.Smoke alarm is a kind of alarm of the time issue alerting signal that is used for breaking out of fire; It is mainly used in the place of easy breaking out of fires such as family, factory, hotel, oil depot, especially for large-scale plant area, inflammable and explosive plant area, chemical industry plant area, generating plant, oil field and oil refining plant area etc.At present, smoke alarm price comparison on the market is expensive, and as people during not in the scene of fire, even if also Nobody Knows for alarm equipment alarm, so just causes casualties and property loss.
Disclose a kind of " smoke alarm " in the prior art, seen that publication number is CN101964131A, open day be: the Chinese patent of 2011.02.02; This alarm comprises lid, pedestal, fuselage, circuit for alarming, alarm and power supply; Adopt detachable connection between said pedestal, the fuselage, be characterized in: adopt between said pedestal, the fuselage to be threaded, said fuselage central position is provided with sensor; Sensor connects the smoke-sensitive alarm circuit; Fuselage upper surface and arranged on left and right sides respectively is provided with a thermistor, and this thermistor matches with the quoit of pedestal lower end and is connected, and quoit connects the temperature-sensitive circuit for alarming; Said smoke-sensitive alarm circuit, temperature-sensitive circuit for alarming are arranged in the said pedestal; Be provided with the receiving tube radome in the said fuselage, receiver, transmitter are housed in the receiving tube radome, said smoke-sensitive alarm circuit, temperature-sensitive circuit for alarming, thermistor, sensor and receiver, transmitter connect alarm through on-off circuit, wire circuit.This is invented compared with prior art, and novel structure, simple, easy to use has the reaction that is exceedingly fast, and can effectively control burning things which may cause a fire disaster.But should invention cost than higher, and as people during not in the scene of fire, even if also Nobody Knows for alarm equipment alarm.
Summary of the invention
The utility model technical matters to be solved is to provide a kind of smoke alarm based on chip microcontroller, and it is simple in structure, and production cost is low.
The utility model adopts following technical scheme to solve the problems of the technologies described above: a kind of smoke alarm based on chip microcontroller, the mobile communication circuit that said alarm comprises gas sensor, STC89S52 single-chip microcomputer, reports to the police driving circuit and be provided with the SMI draw-in groove; Said gas sensor, the mobile communication circuit of reporting to the police driving circuit and being provided with the SMI draw-in groove all are connected with said STC89S52 single-chip microcomputer.
Further, comprise light emitting diode D211, the end of this light emitting diode D211 is connected with signal ground, and the other end links to each other with 37 pin of said STC89S52 single-chip microcomputer.
Further, said warning driving circuit comprise resistance R 201, resistance R 202, resistance R 203, polar capacitor C111 is arranged, polar capacitor C112 arranged, polarity free capacitor C201, polarity free capacitor C202, LM386 chip and loudspeaker; One end of said resistance R 201 is connected with 36 pin of said STC89S52 single-chip microcomputer, and the other end is connected with 3 pin of said LM386 chip; One end of said resistance R 202 is connected with signal ground, and the other end is connected with 3 pin of said LM386 chip; 2 pin of said LM386 chip all are connected with signal ground with 4 pin; 6 pin of said LM386 chip are connected with power supply; 5 pin of said LM386 chip have polar capacitor C112 to be connected with loudspeaker through said; Said have the end of polar capacitor C111 to be connected with power supply, and the other end is connected with signal ground; The end of said polarity free capacitor C201 is connected with power supply, and the other end is connected with signal ground; Said resistance R 203 1 ends are connected with 5 pin of said LM386 chip, and the other end is connected with said polarity free capacitor C202; Said polarity free capacitor C202 connects signal ground; 16 pin of said STC89S52 single-chip microcomputer are connected with said loudspeaker; 35 pin of said STC89S52 single-chip microcomputer connect the said mobile communication circuit that is provided with the SMI draw-in groove; 40 pin of said STC89S52 single-chip microcomputer are connected with 3 pin of said gas sensor; 38 pin of said STC89S52 single-chip microcomputer connect power supply.
The advantage of the utility model is: the mobile communication circuit that the utility model comprises gas sensor, STC89S52 single-chip microcomputer, reports to the police driving circuit and be provided with the SMI draw-in groove; The utility model is simple in structure, utilizes the chip microcontroller warning function, and its production cost is low; And mobile communication circuit through band SMI draw-in groove; When taking place to report to the police, can send SMS notification not the user of scene of fire through this circuit, minimum thereby the casualties of making and property loss drop to.。
Description of drawings
Combine embodiment that the utility model is done further to describe with reference to the accompanying drawings.
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the utility model detail circuits structural representation.
Embodiment
See also illustrated in figures 1 and 2ly, the smoke alarm based on chip microcontroller of the utility model, said alarm comprise gas sensor 1, STC89S52 single-chip microcomputer 2, warning driving circuit 3 and the mobile communication circuit 4 that is provided with the SMI draw-in groove; Said gas sensor 1, warning driving circuit 3 and the mobile communication circuit 4 that is provided with the SMI draw-in groove all are connected with said STC89S52 single-chip microcomputer 2; Wherein alarm also comprises light emitting diode D211, and the end of this light emitting diode D211 is connected with signal ground, and the other end links to each other with 37 pin of said STC89S52 single-chip microcomputer 2.
As shown in Figure 2, be the utility model detail circuits structural representation.Said warning driving circuit 3 comprises resistance R 201, resistance R 202, resistance R 203, polar capacitor C111 is arranged, polar capacitor C112 is arranged, polarity free capacitor C201, polarity free capacitor C202, LM386 chip and loudspeaker; One end of said resistance R 201 is connected with 36 pin of said STC89S52 single-chip microcomputer, and the other end is connected with 3 pin of said LM386 chip; One end of said resistance R 202 is connected with signal ground, and the other end is connected with 3 pin of said LM386 chip; 2 pin of said LM386 chip all are connected with signal ground with 4 pin; 6 pin of said LM386 chip are connected with power supply; 5 pin of said LM386 chip have polar capacitor C112 to be connected with loudspeaker through said; This LM386 chip is used for the effect that audio power amplifies; Said have the end of polar capacitor C111 to be connected with power supply, and the other end is connected with signal ground; The end of said polarity free capacitor C201 is connected with power supply, and the other end is connected with signal ground; Said resistance R 203 1 ends are connected with 5 pin of said LM386 chip, and the other end is connected with said polarity free capacitor C202; Said polarity free capacitor C202 connects signal ground; 16 pin of said STC89S52 single-chip microcomputer are connected with said loudspeaker; 35 pin of said STC89S52 single-chip microcomputer connect the said mobile communication circuit that is provided with the SMI draw-in groove; 40 pin of said STC89S52 single-chip microcomputer are connected with 3 pin of said gas sensor; 38 pin of said STC89S52 single-chip microcomputer connect power supply.
The principle of work of the utility model is: when gas sensor 1 has detected smog; Send alerting signal to STC89S52 single-chip microcomputer 2; STC89S52 single-chip microcomputer 2 sends SMS notification through the mobile communication circuit 4 of processing controls SMI draw-in groove to user's householder; And STC89S52 single-chip microcomputer 2 will be controlled light emitting diode and carry out luminously, and after the audio power of alerting signal through the LM386 chip amplified, report to the police through loudspeaker.
The above is merely the preferred embodiment of the utility model, and all equalizations of being done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model.
Claims (3)
1. based on the smoke alarm of chip microcontroller, it is characterized in that: the mobile communication circuit that said alarm comprises gas sensor, STC89S52 single-chip microcomputer, reports to the police driving circuit and be provided with the SMI draw-in groove; Said gas sensor, the mobile communication circuit of reporting to the police driving circuit and being provided with the SMI draw-in groove all are connected with said STC89S52 single-chip microcomputer.
2. the smoke alarm based on chip microcontroller according to claim 1 is characterized in that: also comprise light emitting diode D211, the end of this light emitting diode D211 is connected with signal ground, and the other end links to each other with 37 pin of said STC89S52 single-chip microcomputer.
3. the smoke alarm based on chip microcontroller according to claim 1 is characterized in that: said warning driving circuit comprises resistance R 201, resistance R 202, resistance R 203, polar capacitor C111 is arranged, polar capacitor C112 is arranged, polarity free capacitor C201, polarity free capacitor C202, LM386 chip and loudspeaker; One end of said resistance R 201 is connected with 36 pin of said STC89S52 single-chip microcomputer, and the other end is connected with 3 pin of said LM386 chip; One end of said resistance R 202 is connected with signal ground, and the other end is connected with 3 pin of said LM386 chip; 2 pin of said LM386 chip all are connected with signal ground with 4 pin; 6 pin of said LM386 chip are connected with power supply; 5 pin of said LM386 chip have polar capacitor C112 to be connected with loudspeaker through said; Said have the end of polar capacitor C111 to be connected with power supply, and the other end is connected with signal ground; The end of said polarity free capacitor C201 is connected with power supply, and the other end is connected with signal ground; Said resistance R 203 1 ends are connected with 5 pin of said LM386 chip, and the other end is connected with said polarity free capacitor C202; Said polarity free capacitor C202 connects signal ground; 16 pin of said STC89S52 single-chip microcomputer are connected with said loudspeaker; 35 pin of said STC89S52 single-chip microcomputer connect the said mobile communication circuit that is provided with the SMI draw-in groove; 40 pin of said STC89S52 single-chip microcomputer are connected with 3 pin of said gas sensor; 38 pin of said STC89S52 single-chip microcomputer connect power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202313721U CN202563634U (en) | 2012-05-22 | 2012-05-22 | Smoke alarm realized based on single chip microcomputer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202313721U CN202563634U (en) | 2012-05-22 | 2012-05-22 | Smoke alarm realized based on single chip microcomputer |
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| Publication Number | Publication Date |
|---|---|
| CN202563634U true CN202563634U (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202313721U Expired - Fee Related CN202563634U (en) | 2012-05-22 | 2012-05-22 | Smoke alarm realized based on single chip microcomputer |
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| CN (1) | CN202563634U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109686040A (en) * | 2018-11-30 | 2019-04-26 | 上海松江飞繁电子有限公司 | A kind of smoke alarm device with communication module |
-
2012
- 2012-05-22 CN CN2012202313721U patent/CN202563634U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109686040A (en) * | 2018-11-30 | 2019-04-26 | 上海松江飞繁电子有限公司 | A kind of smoke alarm device with communication module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20130522 |