CN203630901U - Fire alarm apparatus - Google Patents
Fire alarm apparatus Download PDFInfo
- Publication number
- CN203630901U CN203630901U CN201320736048.XU CN201320736048U CN203630901U CN 203630901 U CN203630901 U CN 203630901U CN 201320736048 U CN201320736048 U CN 201320736048U CN 203630901 U CN203630901 U CN 203630901U
- Authority
- CN
- China
- Prior art keywords
- single chip
- input end
- fire
- access
- adc0832
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Fire-Detection Mechanisms (AREA)
- Fire Alarms (AREA)
Abstract
The utility model discloses a fire alarm apparatus comprising a single chip microcomputer AT89S52. The input end of the single chip microcomputer AT89S52 is connected with a temperature acquisition module composed of a temperature sensor DS18B20. The output end of a MQ-2 smoke sensor is connected with the input end of an A/D conversion chip ADC0832. The output end of the A/D conversion chip ADC0832 is connected with the input end of the single chip microcomputer AT89S52. The single chip microcomputer AT89S52 is connected with a nixie tube, a buzzer, and an LED lamp. According to the utility model, the early warning process can be performed timely in the early stage of the fire, and advantages of good repeatability, long-term stability, high sensitivity, short response time, and good long-time working performance can be realized.
Description
Technical field
The utility model relates to fire alarm installation field, is specially a kind of fire-alarm.
Background technology
in various disasters, fire is one of major casualty threatening public security and social development, and fire-alarm plays an important role to fire preventing.Prior art fire-alarm is lower to the sensitivity of Smoke Detection, cannot meet the fire early warning demand in early stage.
Utility model content
The purpose of this utility model is to provide a kind of fire-alarm, the problem existing to solve prior art.
In order to achieve the above object, the technical scheme that the utility model adopts is:
A kind of fire-alarm, it is characterized in that: comprise single chip computer AT 89S52, on the input end of single chip computer AT 89S52, have access to the temperature collect module that temperature sensor DS18B20 forms, also include the A/D modular converter of MQ-2 type smoke transducer, A/D conversion chip ADC0832 formation, the input end of described MQ-2 type smoke transducer output terminal access A/D conversion chip ADC0832, the input end of the output terminal access single chip computer AT 89S52 of A/D conversion chip ADC0832, has access to charactron, hummer, LED lamp on the output terminal of single chip computer AT 89S52.
Described a kind of fire-alarm, is characterized in that: described single chip computer AT 89S52 input end also has access to key circuit.
The utility model adopts MQ-2 type smoke transducer, the smog such as rock gas, liquefied petroleum gas (LPG) is had to very high sensitivity, especially more responsive to alkanes smog, can carry out in time early warning in earlier stage at fire, there is good repeatability and long-term stability, and highly sensitive, the response time is short, the performance that works long hours is good.
Accompanying drawing explanation
Fig. 1 is the utility model structured flowchart.
Embodiment
As shown in Figure 1.A kind of fire-alarm, comprise single chip computer AT 89S52, on the input end of single chip computer AT 89S52, have access to the temperature collect module that temperature sensor DS18B20 forms, also include the A/D modular converter of MQ-2 type smoke transducer, A/D conversion chip ADC0832 formation, the input end of MQ-2 type smoke transducer output terminal access A/D conversion chip ADC0832, the input end of the output terminal access single chip computer AT 89S52 of A/D conversion chip ADC0832, has access to charactron, hummer, LED lamp on the output terminal of single chip computer AT 89S52.Single chip computer AT 89S52 input end also has access to key circuit.
Claims (2)
1. a fire-alarm, it is characterized in that: comprise single chip computer AT 89S52, on the input end of single chip computer AT 89S52, have access to the temperature collect module that temperature sensor DS18B20 forms, also include the A/D modular converter of MQ-2 type smoke transducer, A/D conversion chip ADC0832 formation, the input end of described MQ-2 type smoke transducer output terminal access A/D conversion chip ADC0832, the input end of the output terminal access single chip computer AT 89S52 of A/D conversion chip ADC0832, has access to charactron, hummer, LED lamp on the output terminal of single chip computer AT 89S52.
2. a kind of fire-alarm according to claim 1, is characterized in that: described single chip computer AT 89S52 input end also has access to key circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320736048.XU CN203630901U (en) | 2013-11-20 | 2013-11-20 | Fire alarm apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320736048.XU CN203630901U (en) | 2013-11-20 | 2013-11-20 | Fire alarm apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203630901U true CN203630901U (en) | 2014-06-04 |
Family
ID=50817358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320736048.XU Expired - Fee Related CN203630901U (en) | 2013-11-20 | 2013-11-20 | Fire alarm apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203630901U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104021642A (en) * | 2014-06-25 | 2014-09-03 | 李柱勇 | Resistance type fire alarm |
| CN104036613A (en) * | 2014-06-30 | 2014-09-10 | 李先贵 | Automatic fire alarm system and method |
| CN104183078A (en) * | 2014-09-17 | 2014-12-03 | 周盈裕 | Textile workshop fire alarm system |
| CN104408860A (en) * | 2014-10-28 | 2015-03-11 | 无锡港湾网络科技有限公司 | Fire detection alarm apparatus |
| CN105118217A (en) * | 2015-07-24 | 2015-12-02 | 重庆市志益鑫电子科技有限公司 | Control method of firefighting alarm |
-
2013
- 2013-11-20 CN CN201320736048.XU patent/CN203630901U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104021642A (en) * | 2014-06-25 | 2014-09-03 | 李柱勇 | Resistance type fire alarm |
| CN104036613A (en) * | 2014-06-30 | 2014-09-10 | 李先贵 | Automatic fire alarm system and method |
| CN104183078A (en) * | 2014-09-17 | 2014-12-03 | 周盈裕 | Textile workshop fire alarm system |
| CN104408860A (en) * | 2014-10-28 | 2015-03-11 | 无锡港湾网络科技有限公司 | Fire detection alarm apparatus |
| CN105118217A (en) * | 2015-07-24 | 2015-12-02 | 重庆市志益鑫电子科技有限公司 | Control method of firefighting alarm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20141120 |
|
| EXPY | Termination of patent right or utility model |