CN103646489A - Fire hazard alarm device - Google Patents
Fire hazard alarm device Download PDFInfo
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- CN103646489A CN103646489A CN201310575849.7A CN201310575849A CN103646489A CN 103646489 A CN103646489 A CN 103646489A CN 201310575849 A CN201310575849 A CN 201310575849A CN 103646489 A CN103646489 A CN 103646489A
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Abstract
The invention discloses a fire hazard alarm device. The fire hazard alarm device comprises a single-chip microcomputer control circuit, a temperature sensor, a gas sensor, a signal processing circuit, a fault diagnosis circuit, a serial port communication circuit, a state indicating lamp circuit, an alarm circuit, a data display circuit and a control key circuit, wherein a sensing signal of the temperature sensor and a detection signal of the gas sensor, after being processed by the signal processing circuit, are transmitted to the single-chip microcomputer control circuit; the single-chip microcomputer control circuit, according to received signals, performs determination processing, and controls the working of the state indicating lamp circuit and the alarm circuit; the single-chip microcomputer control circuit displays processed signals through the data display circuit; the control key circuit performs alarm threshold setting on the single-chip microcomputer control circuit; the single-chip microcomputer control circuit determines circuit connection situations through the fault diagnosis circuit; and the single-chip microcomputer control circuit communicates with a host computer through the serial port communication circuit. By using the fire hazard alarm device, fire hazard alarm can be carried out timely, and a fire hazard can be predicted in daily life through monitoring.
Description
Technical field
The present invention relates to warning device technical field, especially a kind of fire alarm installation.
Background technology
Along with society and expanding economy, the wealth of society increases day by day, and fire constantly expands with the damaging range naturally causing to the mankind and society, it not only damages material property, cause the confusion of civil order, also direct life-threatening safety, causes great injury to people's soul.Cruel reality allows people recognize gradually monitoring and early warning and firemanic importance, and good supervisory system and timely alarm mechanism can reduce personnel's online greatly, for society reduces unnecessary loss.
Summary of the invention
The object of the invention is to: for the problem of above-mentioned existence, provide a kind of fire alarm installation that can carry out in time fire alarm and by monitoring, fire be predicted in daily life.
The technical solution used in the present invention is as follows:
The invention provides a kind of fire alarm installation, comprise single chip machine controlling circuit, temperature sensor, gas sensor, signal processing circuit, fault diagnosis circuit, serial communication circuit, status indicator lamp circuit, warning circuit, data display circuit, operating key circuit.
The gas concentration signal that the temperature signal that described temperature sensor collects and described gas sensor detect is transferred to described single chip machine controlling circuit after described signal processing circuit is processed, described single chip machine controlling circuit judges processing according to the temperature signal and the gas concentration signal that receive, and control the duty of described status indicator lamp circuit and described warning circuit, described single chip machine controlling circuit shows temperature signal and gas concentration signal after processing by described data display circuit, described operating key circuit is to the limit value setting of reporting to the police of described single chip machine controlling circuit, described single chip machine controlling circuit is by the connection of described fault diagnosis circuit decision circuitry, described single chip machine controlling circuit carries out serial communication by described serial communication circuit and host computer.
Such scheme is done further preferably, and described signal processing circuit comprises signal amplification circuit and D/A converting circuit.
Such scheme is done further preferably, described single chip machine controlling circuit adopts AT89S52 single-chip microcomputer, described temperature sensor adopts AD590 integrated temperature sensor, and described gas sensor adopts TGS202 gas sensor, and described data display circuit adopts the digital pipe driving chip of ICM7218.
Such scheme is done further preferably, described signal amplification circuit comprises the first resistance, the second resistance, the 3rd resistance, diode, the first electric capacity, LM324A operational amplifier, described diode and described the first Capacitance parallel connection, one termination signal input part of the negative pole of described diode and described the first Capacitance parallel connection and one end of described the first resistance, one end ground connection of the positive pole of described diode and described the first Capacitance parallel connection, LM324A operational amplifier in-phase input end described in another termination of described the first resistance, described LM324A operational amplifier inverting input connects one end of described the second resistance and described the 3rd resistance, the signal output part of LM324A operational amplifier described in another termination of described the second resistance, the other end ground connection of described the 3rd resistance.
Such scheme is done further preferably, described warning circuit comprises the 4th resistance, triode and hummer, the P2.0 port of AT89S52 single-chip microcomputer described in one termination of described the 4th resistance, the base stage of triode described in another termination of described the 4th resistance, the collector of described triode meets VCC, the collector of described triode connects one end of described hummer, the other end ground connection of described hummer.
Such scheme is done further preferably, described status indicator lamp circuit comprises the 5th resistance, the 6th resistance, the 7th resistance, the first light emitting diode, the second light emitting diode, the 3rd light emitting diode, described the first light emitting diode is red, its positive pole meets VCC by described the 5th resistance, negative pole connects the P2.2 port of described AT89S52 single-chip microcomputer, described the second light emitting diode is yellow, its positive pole meets VCC by described the 6th resistance, negative pole connects the P2.3 port of described AT89S52 single-chip microcomputer, described the 3rd light emitting diode is green, its positive pole meets VCC by described the 7th resistance, negative pole connects the P2.4 port of described AT89S52 single-chip microcomputer.
Such scheme is done further preferably, described operating key circuit comprises the first button, the second button, the 3rd button, the 8th resistance, the 9th resistance, the tenth resistance, described the first button, the second button, the equal ground connection in one end of the 3rd button, the P2.1 port of AT89S52 single-chip microcomputer and one end of described the 8th resistance described in another termination of described the first button, another termination VCC of described the 8th resistance, the P2.5 port of AT89S52 single-chip microcomputer and one end of described the 9th resistance described in another termination of described the second button, another termination VCC of described the 9th resistance, the P2.6 port of AT89S52 single-chip microcomputer and one end of described the tenth resistance described in another termination of described the 3rd button, another termination VCC of described the tenth resistance.
In sum, owing to having adopted technique scheme, the invention has the beneficial effects as follows:
The present invention realized sound and light alarm, fault self-diagnosis, concentration demonstration, alarm limit setting, delayed alarm and with the functions such as PC Communication, be a kind of simple in structure, stable performance, easy to use, cheap, intelligentized fire-alarm, there is certain practical value.
2. the TGS202 gas sensitivity that the present invention adopts is high, and good stability, is suitable for the detection of gas in fire.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 be fire alarm installation be block diagram;
Fig. 2 is the signal amplification circuit figure of fire alarm installation;
Fig. 3 is the warning circuit figure of fire alarm installation;
Fig. 4 is the status indicator lamp circuit diagram of fire alarm installation;
Fig. 5 is the operating key circuit diagram of fire alarm installation.
Embodiment
Disclosed all features in this instructions, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Below in conjunction with accompanying drawing, the present invention is elaborated.
What be illustrated in figure 1 fire alarm installation is block diagram.This fire alarm installation, comprises single chip machine controlling circuit, temperature sensor, gas sensor, signal processing circuit, fault diagnosis circuit, serial communication circuit, status indicator lamp circuit, warning circuit, data display circuit, operating key circuit.
The gas concentration signal that the temperature signal that described temperature sensor collects and described gas sensor detect is transferred to described single chip machine controlling circuit after described signal processing circuit is processed, described single chip machine controlling circuit judges processing according to the temperature signal and the gas concentration signal that receive, and control the duty of described status indicator lamp circuit and described warning circuit, described single chip machine controlling circuit shows temperature signal and gas concentration signal after processing by described data display circuit, described operating key circuit is to the limit value setting of reporting to the police of described single chip machine controlling circuit, described single chip machine controlling circuit is by the connection of described fault diagnosis circuit decision circuitry, described single chip machine controlling circuit carries out serial communication by described serial communication circuit and host computer.
Preferably, described signal processing circuit comprises signal amplification circuit and D/A converting circuit.
Above-described embodiment is done further preferably, described single chip machine controlling circuit adopts AT89S52 single-chip microcomputer, described temperature sensor adopts AD590 integrated temperature sensor, and described gas sensor adopts TGS202 gas sensor, and described data display circuit adopts the digital pipe driving chip of ICM7218.
Be illustrated in figure 2 the signal amplification circuit figure of fire alarm installation.Described signal amplification circuit comprises the first resistance (R1), the second resistance (R2), the 3rd resistance (R3), diode (D), the first electric capacity (C1), LM324A operational amplifier, described diode (D) and described the first electric capacity (C1) parallel connection, the termination signal input part (Vi) that the negative pole of described diode (D) and described the first electric capacity (C1) are in parallel and one end of described the first resistance (R1), one end ground connection that the positive pole of described diode (D) and described the first electric capacity (C1) are in parallel, LM324A operational amplifier in-phase input end (3) described in another termination of described the first resistance (R1), described LM324A operational amplifier inverting input (2) connects one end of described the second resistance (R2) and described the 3rd resistance (R3), the signal output part (1) of LM324A operational amplifier described in another termination of described the second resistance (R2), the other end ground connection of described the 3rd resistance (R3).
Be illustrated in figure 3 the warning circuit figure of fire alarm installation.Described warning circuit comprises the 4th resistance (R4), triode (Q1) and hummer (LS1), the P2.0 port of AT89S52 single-chip microcomputer described in one termination of described the 4th resistance (R4), the base stage of triode (Q1) described in another termination of described the 4th resistance (R4), the collector of described triode (Q1) meets VCC, the collector of described triode (Q1) connects one end of described hummer (LS1), the other end ground connection of described hummer (LS1).
Be illustrated in figure 4 the status indicator lamp circuit diagram of fire alarm installation.Described status indicator lamp circuit comprises the 5th resistance (R5), the 6th resistance (R6), the 7th resistance (R7), the first light emitting diode (D1), the second light emitting diode (D2), the 3rd light emitting diode (D3), described the first light emitting diode (D1) is red, its positive pole meets VCC by described the 5th resistance (R5), negative pole connects the P2.2 port of described AT89S52 single-chip microcomputer, described the second light emitting diode (D2) is yellow, its positive pole meets VCC by described the 6th resistance (R6), negative pole connects the P2.3 port of described AT89S52 single-chip microcomputer, described the 3rd light emitting diode (D3) is green, its positive pole meets VCC by described the 7th resistance (R7), negative pole connects the P2.4 port of described AT89S52 single-chip microcomputer.
Be illustrated in figure 5 the operating key circuit diagram of fire alarm installation.Described operating key circuit comprises the first button (KEY1), the second button (KEY2), the 3rd button (KEY3), the 8th resistance (R8), the 9th resistance (R9), the tenth resistance (R10), described the first button (KEY1), the second button (KEY2), the equal ground connection in one end of the 3rd button (KEY3), one end of the P2.1 port of AT89S52 single-chip microcomputer and described the 8th resistance (R8) described in another termination of described the first button (KEY1), another termination VCC of described the 8th resistance (R8), one end of the P2.5 port of AT89S52 single-chip microcomputer and described the 9th resistance (R9) described in another termination of described the second button (KEY2), another termination VCC of described the 9th resistance (R9), one end of the P2.6 port of AT89S52 single-chip microcomputer and described the tenth resistance (R10) described in another termination of described the 3rd button (KEY3), another termination VCC of described the tenth resistance (R10).
The present invention is not limited to aforesaid embodiment.The present invention can expand to any new feature or any new combination disclosing in this manual, and the arbitrary new method disclosing or step or any new combination of process.
Claims (7)
1. a fire alarm installation, is characterized in that: comprise single chip machine controlling circuit, temperature sensor, gas sensor, signal processing circuit, fault diagnosis circuit, serial communication circuit, status indicator lamp circuit, warning circuit, data display circuit, operating key circuit;
The gas concentration signal that the temperature signal that described temperature sensor collects and described gas sensor detect is transferred to described single chip machine controlling circuit after described signal processing circuit is processed, described single chip machine controlling circuit judges processing according to the temperature signal and the gas concentration signal that receive, and control the duty of described status indicator lamp circuit and described warning circuit, described single chip machine controlling circuit shows temperature signal and gas concentration signal after processing by described data display circuit, described operating key circuit is to the limit value setting of reporting to the police of described single chip machine controlling circuit, described single chip machine controlling circuit is by the connection of described fault diagnosis circuit decision circuitry, described single chip machine controlling circuit carries out serial communication by described serial communication circuit and host computer.
2. a kind of fire alarm installation according to claim 1, is characterized in that: described signal processing circuit comprises signal amplification circuit and D/A converting circuit.
3. a kind of fire alarm installation according to claim 1, it is characterized in that: described single chip machine controlling circuit adopts AT89S52 single-chip microcomputer, described temperature sensor adopts AD590 integrated temperature sensor, described gas sensor adopts TGS202 gas sensor, and described data display circuit adopts the digital pipe driving chip of ICM7218.
4. a kind of fire alarm installation according to claim 2, it is characterized in that: described signal amplification circuit comprises the first resistance (R1), the second resistance (R2), the 3rd resistance (R3), diode (D), the first electric capacity (C1), LM324A operational amplifier, described diode (D) and described the first electric capacity (C1) parallel connection, the termination signal input part (Vi) that the negative pole of described diode (D) and described the first electric capacity (C1) are in parallel and one end of described the first resistance (R1), one end ground connection that the positive pole of described diode (D) and described the first electric capacity (C1) are in parallel, LM324A operational amplifier in-phase input end (3) described in another termination of described the first resistance (R1), described LM324A operational amplifier inverting input (2) connects one end of described the second resistance (R2) and described the 3rd resistance (R3), the signal output part (1) of LM324A operational amplifier described in another termination of described the second resistance (R2), the other end ground connection of described the 3rd resistance (R3).
5. a kind of fire alarm installation according to claim 1, it is characterized in that: described warning circuit comprises the 4th resistance (R4), triode (Q1) and hummer (LS1), the P2.0 port of AT89S52 single-chip microcomputer described in one termination of described the 4th resistance (R4), the base stage of triode (Q1) described in another termination of described the 4th resistance (R4), the collector of described triode (Q1) meets VCC, the collector of described triode (Q1) connects one end of described hummer (LS1), the other end ground connection of described hummer (LS1).
6. a kind of fire alarm installation according to claim 1, it is characterized in that: described status indicator lamp circuit comprises the 5th resistance (R5), the 6th resistance (R6), the 7th resistance (R7), the first light emitting diode (D1), the second light emitting diode (D2), the 3rd light emitting diode (D3), described the first light emitting diode (D1) is red, its positive pole meets VCC by described the 5th resistance (R5), negative pole connects the P2.2 port of described AT89S52 single-chip microcomputer, described the second light emitting diode (D2) is yellow, its positive pole meets VCC by described the 6th resistance (R6), negative pole connects the P2.3 port of described AT89S52 single-chip microcomputer, described the 3rd light emitting diode (D3) is green, its positive pole meets VCC by described the 7th resistance (R7), negative pole connects the P2.4 port of described AT89S52 single-chip microcomputer.
7. a kind of fire alarm installation according to claim 1, it is characterized in that: described operating key circuit comprises the first button (KEY1), the second button (KEY2), the 3rd button (KEY3), the 8th resistance (R8), the 9th resistance (R9), the tenth resistance (R10), described the first button (KEY1), the second button (KEY2), the equal ground connection in one end of the 3rd button (KEY3), one end of the P2.1 port of AT89S52 single-chip microcomputer and described the 8th resistance (R8) described in another termination of described the first button (KEY1), another termination VCC of described the 8th resistance (R8), one end of the P2.5 port of AT89S52 single-chip microcomputer and described the 9th resistance (R9) described in another termination of described the second button (KEY2), another termination VCC of described the 9th resistance (R9), one end of the P2.6 port of AT89S52 single-chip microcomputer and described the tenth resistance (R10) described in another termination of described the 3rd button (KEY3), another termination VCC of described the tenth resistance (R10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310575849.7A CN103646489B (en) | 2013-11-18 | 2013-11-18 | Fire alarm installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310575849.7A CN103646489B (en) | 2013-11-18 | 2013-11-18 | Fire alarm installation |
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| CN103646489A true CN103646489A (en) | 2014-03-19 |
| CN103646489B CN103646489B (en) | 2016-05-25 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104112328A (en) * | 2014-07-15 | 2014-10-22 | 大连大学 | Automatic fire alarm system |
| CN108008083A (en) * | 2017-12-22 | 2018-05-08 | 南京工业大学 | Li-ion batteries piles thermal runaway autoalarm and its monitoring method based on gas-monitoring |
| CN109308786A (en) * | 2018-11-27 | 2019-02-05 | 南京铁道职业技术学院 | A kind of Source of Railway Communication and Signalling computer room fire alarm fire extinguishing system |
| CN110728819A (en) * | 2019-10-21 | 2020-01-24 | 广州市锋安消防工程有限公司 | Fire alarm system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112328A (en) * | 2014-07-15 | 2014-10-22 | 大连大学 | Automatic fire alarm system |
| CN108008083A (en) * | 2017-12-22 | 2018-05-08 | 南京工业大学 | Li-ion batteries piles thermal runaway autoalarm and its monitoring method based on gas-monitoring |
| CN109308786A (en) * | 2018-11-27 | 2019-02-05 | 南京铁道职业技术学院 | A kind of Source of Railway Communication and Signalling computer room fire alarm fire extinguishing system |
| CN110728819A (en) * | 2019-10-21 | 2020-01-24 | 广州市锋安消防工程有限公司 | Fire alarm system |
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| CN103646489B (en) | 2016-05-25 |
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Inventor after: Gao Ying Inventor after: Li Yahui Inventor after: Yang Tongfang Inventor after: Qu Guodong Inventor after: Jiang Wencai Inventor after: Yuan Lina Inventor after: Zhang Yu Inventor before: Li Liang |
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Effective date of registration: 20160427 Address after: 274012 No. 199 Zhonghua Dong Road, Mudan District, Shandong, Heze Applicant after: Heze Power Supply Company, State Grid Shandong Electric Power Co., Ltd. Applicant after: State Grid Corporation of China Address before: 610041 Sichuan city of Chengdu province high tech Zone two ring road south of three No. 15 Polygonatum 4FA Garden Applicant before: Chengdu Kangjiete Technology Co., Ltd. |
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