CN209842818U - Temperature-sensing smoke detector based on CO and combustible gas detection function - Google Patents
Temperature-sensing smoke detector based on CO and combustible gas detection function Download PDFInfo
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- CN209842818U CN209842818U CN201920537045.0U CN201920537045U CN209842818U CN 209842818 U CN209842818 U CN 209842818U CN 201920537045 U CN201920537045 U CN 201920537045U CN 209842818 U CN209842818 U CN 209842818U
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Abstract
The utility model provides a smoke detector is felt to temperature sensing based on CO and combustible gas detect function, including smoke detector is felt to temperature sensing, set up in smoke detector labyrinth inside CO gas sensor module, combustible gas sensor module and data processing module are felt to temperature sensing, CO gas sensor module with combustible gas sensor module with the data processing module electricity is connected. The utility model discloses a set up in the inside CO gas sensor module of temperature sensing smoke detector maze, combustible gas sensor module carry out combustible gas and the gaseous detection of CO to adopt two-stage alarm mode simultaneously, not only can prevent to suffer from in the bud, moreover can be very accurate the emergence that detects the conflagration, the practicality is stronger, has higher response performance, lower misstatement rate, and the detection function is more comprehensive, and the testing result is more accurate.
Description
Technical Field
The utility model belongs to the technical field of fire control conflagration is surveyed, specific theory has related to a temperature sensing smoke detector based on CO and combustible gas detect function.
Background
The underground combustible gas pipeline and outdoor pipeline are often affected by the harsh environment such as corrosion, vibration or refrigeration, and the gas leakage is easily caused by pipeline rupture. The valve in the house on the household user pipeline is not closed tightly, the valve rod and the screw thread are damaged and fail, or the valve is opened by mistake, the gas can escape. The combustible gas reaches a certain concentration and can cause combustion or explosion under the action of an ignition source. In the early stage of a fire, partial combustion is incomplete, and CO is produced. The working principle of common smoke detectors in the market at present mostly adopts an infrared light scattering principle, and mainly tests the change of smoke in the environment or is equipped with a temperature measurement function and simultaneously detects the change of smoke and temperature in the environment. Therefore, the conventional smoke detector cannot effectively detect the leakage of combustible gas in the early stage of a fire and cannot detect CO in the early stage of the fire.
In order to solve the above problems, people are always seeking an ideal technical solution.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the not enough of prior art to a temperature sensing smoke detector based on CO and combustible gas detect function is provided.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: the utility model provides a smoke detector is felt to temperature sensing based on CO and combustible gas detect function, includes the temperature sensing smoke detector, still including set up in inside CO gas sensor module, combustible gas sensor module and the data processing module in the temperature sensing smoke detector maze, CO gas sensor module with combustible gas sensor module with the data processing module electricity is connected.
The utility model discloses relative prior art has substantive characteristics and progress, specific theory, the utility model discloses a set up in the inside CO gas sensor module of temperature sensing smoke detector maze, combustible gas sensor module carry out the gaseous detection of combustible gas and CO to adopt two-stage alarm mode simultaneously, not only can prevent to suffer from in the bud, and the emergence of detecting the conflagration that can the very first time be accurate moreover, the practicality is stronger, has higher response performance, lower misstatement rate, and the detection function is more comprehensive, and the probing result is more accurate.
Drawings
Fig. 1 is a schematic view of the overall structure of the smoke detector of the present invention.
Fig. 2 is a schematic view of the partial structure of the smoke detector of the present invention.
In the figure: 1. a launch tube; 2. a launch tube; 3. a receiving tube; 4. a temperature detection module; 5. a CO gas sensor module; 6. a combustible gas sensor module.
Detailed Description
The technical solution of the present invention will be described in further detail through the following embodiments.
As shown in fig. 1 and 2, the temperature-sensing smoke detector based on the CO and combustible gas detection function comprises a temperature-sensing smoke detector, a CO gas sensor module 4, a combustible gas sensor module 6 and a data processing module, wherein the CO gas sensor module 4, the combustible gas sensor module 6 and the data processing module are arranged in a labyrinth of the temperature-sensing smoke detector, and the CO gas sensor module 4 and the combustible gas sensor module 6 are electrically connected with the data processing module.
The detection chamber of the temperature-sensing smoke-sensing detector adopts a labyrinth type and comprises a labyrinth base and a labyrinth cover; the inside of the maze is provided with two transmitting tubes 1 and 2 and a receiving tubeA forward scattering optical path and a backward scattering optical path composed of group 3, wherein the included angle formed by the central optical axis of the transmitting tube 1 and the central optical axis of the receiving tube 3 of the forward scattering optical path is 120oThe included angle formed by the central optical axis of the transmitting tube 2 and the central optical axis of the receiving tube 3 of the back scattering optical path is 60o. The transmitting tubes 1 and 2 are infrared transmitting tubes, and the wavelength range of light beams emitted by the infrared transmitting tubes 1 and 2 is 850 nm-940 nm. The receiving tube 3 is an infrared receiving tube, and the wavelength range of the light beams received by the infrared receiving tube 3 is 850 nm-940 nm.
Specifically, the data processing device adopts an MSP430 ultra-low power consumption induction and measurement MCU singlechip data analysis and control system produced by Texas Instruments. CO gas sensor module 5 adopts general type, the miniaturized ZE16-CO type electrochemistry CO module of weisheng scientific and technological production, detects the diffusion and gets into the CO gas concentration of sensor, and then judges the change of CO gas concentration in the environment. The combustible gas sensor module 6 is a MC101B catalytic combustion type gas sensor produced by Weisheng technology and is arranged at a labyrinth gas outlet; in other embodiments, the combustible gas sensor module employs an infrared optical type combustible gas sensor; when the combustible gas diffuses to the combustible gas detection module, the resistance of the detection element rises, and the output voltage of the bridge circuit changes so as to judge the change of the combustible gas in the environment. The temperature detection module 4 of the temperature-sensing smoke detector adopts an MF11 compensation type NTC thermistor temperature-sensing detector produced by Nanjing Shih constant electronics, and the temperature-sensing detector automatically detects the temperature change in the surrounding environment. The two-stage alarm device and the labyrinth detection chamber both adopt YB010 independent smoke detector structures produced by Hanwei technology group.
By simultaneously detecting CO gas, combustible gas, temperature and smoke in the environment, when the combustible gas sensor module detects that the combustible gas exists in the environment, the alarm device starts a warning alarm mode; when the temperature-sensing smoke detector detects CO, combustible gas and smoke at the same time, the alarm device starts a fire alarm mode; therefore, whether a fire disaster is formed or not is accurately judged, the response performance of the smoke detector is improved, and the false alarm rate is reduced.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (7)
1. The utility model provides a smoke detector is felt to temperature sensing based on CO and combustible gas detect function, includes smoke detector is felt to temperature sensing, its characterized in that: the temperature-sensing smoke detector is characterized by further comprising a CO gas sensor module, a combustible gas sensor module and a data processing module, wherein the CO gas sensor module, the combustible gas sensor module and the data processing module are arranged in the temperature-sensing smoke detector labyrinth, and the CO gas sensor module and the combustible gas sensor module are electrically connected with the data processing module.
2. The temperature-sensitive smoke detector based on the CO and combustible gas detection function of claim 1, wherein: the combustible gas sensor module adopts a catalytic combustion type gas sensor arranged at a gas outlet of the labyrinth.
3. The temperature-sensitive smoke detector based on the CO and combustible gas detection function of claim 1, wherein: the combustible gas sensor module adopts an infrared optical type combustible gas sensor.
4. The temperature-sensitive smoke detector based on the CO and combustible gas detection function of claim 1, wherein: the alarm device is connected with the data processing module and adopts a two-stage alarm mode, and when the combustible gas sensor module detects that combustible gas exists in the environment, the alarm device starts an alarm mode; when the temperature-sensing smoke detector detects CO, combustible gas and smoke at the same time, the alarm device starts a fire alarm mode.
5. The temperature-sensitive smoke detector based on the CO and combustible gas detection function of claim 1, wherein: the temperature-sensing smoke detector comprises a forward scattering light path and a backward scattering light path which are arranged in a labyrinth and composed of two transmitting tubes and a receiving tube, wherein the included angle formed by the central optical axis of the transmitting tube and the central optical axis of the receiving tube of the forward scattering light path is 120oThe included angle formed by the central optical axis of the transmitting tube and the central optical axis of the receiving tube of the back scattering optical path is 60o。
6. The temperature-sensitive smoke detector based on the CO and combustible gas detection function of claim 5, wherein: the transmitting tube is an infrared transmitting tube, and the wavelength range of light beams emitted by the infrared transmitting tube is 850-940 nm.
7. The temperature-sensitive smoke detector based on the CO and combustible gas detection function of claim 6, wherein: the receiving tube is an infrared receiving tube, and the wavelength range of light beams received by the infrared receiving tube is 850 nm-940 nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920537045.0U CN209842818U (en) | 2019-04-19 | 2019-04-19 | Temperature-sensing smoke detector based on CO and combustible gas detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920537045.0U CN209842818U (en) | 2019-04-19 | 2019-04-19 | Temperature-sensing smoke detector based on CO and combustible gas detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209842818U true CN209842818U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920537045.0U Active CN209842818U (en) | 2019-04-19 | 2019-04-19 | Temperature-sensing smoke detector based on CO and combustible gas detection function |
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| CN (1) | CN209842818U (en) |
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2019
- 2019-04-19 CN CN201920537045.0U patent/CN209842818U/en active Active
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