CN210836456U - Fire early warning equipment - Google Patents
Fire early warning equipment Download PDFInfo
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- CN210836456U CN210836456U CN201921789806.8U CN201921789806U CN210836456U CN 210836456 U CN210836456 U CN 210836456U CN 201921789806 U CN201921789806 U CN 201921789806U CN 210836456 U CN210836456 U CN 210836456U
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Abstract
The embodiment of the utility model discloses fire early warning equipment, include: the early warning module and the organic matter concentration detection module are connected with the control module; the control module is used for controlling the work of the early warning module and the organic matter concentration detection module; the organic matter concentration detection module is used for detecting the concentration of trace organic matters in the air; the early warning module is used for carrying out early warning display according to the instruction of the control module. The early warning function before the fire disaster occurs is realized by detecting the concentration of trace organic matters in the air, so that the problem can be solved or countermeasures can be taken by workers before the fire disaster occurs, and the probability of the fire disaster is reduced.
Description
Technical Field
The embodiment of the utility model provides a relate to the fire-fighting equipment field, especially relate to a conflagration early warning equipment.
Background
With the development of social economy and the improvement of living standard, most electronic equipment on various occasions is in a long-term running state, the fire hazards of overload, overheating and short circuit of the electrical equipment are more, and meanwhile, the complexity of a fire process and the loss of the fire are larger and larger. The fire automatic detection alarm system is an important device for detecting the fire and restraining the fire in a bud state, and is an important means for realizing a fire-fighting strategy mainly combining prevention and elimination and prevention.
The fire detection alarm system realizes reliable fire detection alarm with minimum cost, minimizes the fire loss, and is an important performance index pursued by the fire detection alarm. At present, fire detectors on the market are mainly of a smoke sensing type, a temperature sensing type, a gas type, a flame type and the like, the smoke sensing type fire detector mainly detects smoke in fire, the temperature sensing type fire detector mainly detects temperature in fire, the gas type fire detector mainly detects whether gas leaks, and the flame type fire detector mainly reacts to flame in fire. However, in some chemical enterprises or enterprises producing flammable and explosive materials, these fire detectors can only alarm a fire when an open fire has occurred, and cannot play a good role in early warning before the fire occurs.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present invention provides a fire early warning device to detect the concentration of trace organic substances in the air to perform an early warning function before the fire occurs.
An embodiment of the utility model provides a fire early warning device, include: the early warning module and the organic matter concentration detection module are connected with the control module;
the control module is used for controlling the work of the early warning module and the organic matter concentration detection module;
the organic matter concentration detection module is used for detecting the concentration of trace organic matters in the air;
the early warning module is used for carrying out early warning display according to the instruction of the control module.
Furthermore, the control module comprises a control unit, a driving unit and an analog-to-digital conversion unit, wherein the control unit is used for controlling the work of each component in the fire early warning equipment;
the input end of the driving unit is connected with the control unit, the output end of the driving unit is connected with the organic matter concentration detection module, and the driving unit is used for providing a driving signal for the organic matter concentration detection module;
the input end of the analog-to-digital conversion unit is connected with the organic matter concentration detection module, the output end of the analog-to-digital conversion unit is connected with the control unit, and the analog-to-digital conversion unit is used for converting analog signals output by the organic matter concentration detection module into digital signals and transmitting the digital signals to the control unit.
Further, the control unit is a single chip microcomputer.
Further, the organic matter concentration detection module comprises a sensor unit and a first amplification and shaping unit, wherein the sensor unit is used for outputting the concentration of trace organic matters in the air as an analog signal; the first amplification and shaping unit is used for amplifying and shaping the analog signal output by the sensor unit.
Further, the sensor unit is a photo-ion sensor.
Further, the device further comprises a smoke detection module, wherein the smoke detection module is connected with the control module and used for detecting the smoke concentration in the air.
Further, the smoke detection module comprises a smoke sensor and a second amplification and shaping unit, wherein the smoke sensor is used for outputting the smoke concentration in the air as an analog signal; the second amplification and shaping unit is used for amplifying and shaping the analog signal output by the smoke sensor.
Further, the device further comprises a temperature detection module, wherein the temperature detection module is connected with the control module and used for detecting the ambient temperature.
Further, the temperature detection module comprises a temperature sensor and a third amplification and shaping unit, wherein the temperature sensor is used for outputting an environment as an analog signal; the third amplifying and shaping unit is used for amplifying and shaping the analog signal output by the temperature sensor.
Further, the control module further comprises an interface unit, and the interface unit is used for connecting the fire early warning device with an external device.
The embodiment of the utility model provides a pair of fire early warning equipment includes: the early warning module and the organic matter concentration detection module are connected with the control module; the control module is used for controlling the work of the early warning module and the organic matter concentration detection module; the organic matter concentration detection module is used for detecting the concentration of trace organic matters in the air; the early warning module is used for carrying out early warning display according to the instruction of the control module. The early warning function before the fire disaster occurs is realized by detecting the concentration of trace organic matters in the air, so that the problem can be solved or countermeasures can be taken by workers before the fire disaster occurs, and the probability of the fire disaster is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a fire early warning apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a fire early warning device according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a fire early warning device according to a third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the steps as a sequential process, many of the steps can be performed in parallel, concurrently or simultaneously. In addition, the order of the steps may be rearranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figure. The processes may correspond to methods, functions, procedures, subroutines, and the like.
Furthermore, the terms "first," "second," and the like may be used herein to describe various orientations, actions, steps, elements, or the like, but the orientations, actions, steps, or elements are not limited by these terms. These terms are only used to distinguish one direction, action, step or element from another direction, action, step or element. For example, the first amplification and shaping unit may be referred to as a second amplification and shaping unit, and similarly, the second amplification and shaping unit may be referred to as a first amplification and shaping unit, without departing from the scope of the present application. Both the first amplification and shaping unit and the second amplification and shaping unit are amplification and shaping units, but they are not the same amplification and shaping unit. The terms "first", "second", etc. are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Example one
Fig. 1 is the embodiment of the present invention provides a schematic structural diagram of a fire early warning device, which can be applied to fire early warning in any situation containing flammable and explosive materials. As shown in fig. 1, a fire early warning device according to a first embodiment of the present invention includes: the system comprises a control module 100, an early warning module 200 and an organic matter concentration detection module 300, wherein the early warning module 200 and the organic matter concentration detection module 300 are connected with the control module 100; the control module 100 is used for controlling the operation of the early warning module 200 and the organic matter concentration detection module 300; the organic matter concentration detection module 300 is used for detecting the concentration of trace organic matters in the air; the early warning module 200 is used for performing early warning display according to an instruction of the control module 100.
Most of the fires occur early with the temperature rising, and in the case of containing flammable and explosive materials, the temperature rise within 100 ℃ will cause the volatilization of organic matters, and before the fire actually occurs, the concentration of volatile organic matters in the air is raised. The trace organic compounds detected by the organic concentration detecting module 300 refer to Volatile Organic Compounds (VOCs) in the air, and these classes of VOCs include, but are not limited to: aromatics, ketones, aldehydes, ethers, alcohols, hydrocarbons, such as benzene, ethylene, acetone, ethanol, etc.
The organic matter concentration detection module 300 sends the detected current concentration of the trace organic matter to the control module 100, the control module 100 compares the current concentration of the trace organic matter with a preset organic matter concentration threshold, when the current concentration of the trace organic matter exceeds the preset organic matter concentration threshold, it is indicated that the current concentration of the trace organic matter exceeds a safety threshold, a fire disaster may occur, at this moment, the control module 100 controls the early warning module 200 to perform early warning display, the early warning module 200 displays that the fire disaster may occur in the current environment by displaying the current concentration of the trace organic matter and sending an early warning signal, for example, the early warning signal may be a flashing early warning lamp signal or a sound early warning signal. The worker can know the reason of the problem through the current concentration of the trace organic matters displayed by the early warning module 200, so that the problem can be solved or countermeasures can be taken before the fire disaster occurs.
The embodiment of the utility model provides a pair of fire early warning equipment includes: the early warning module and the organic matter concentration detection module are connected with the control module; the control module is used for controlling the work of the early warning module and the organic matter concentration detection module; the organic matter concentration detection module is used for detecting the concentration of trace organic matters in the air; the early warning module is used for carrying out early warning display according to the instruction of the control module. The early warning function before the fire disaster occurs is realized by detecting the concentration of trace organic matters in the air, so that the problem can be solved or countermeasures can be taken by workers before the fire disaster occurs, and the probability of the fire disaster is reduced.
Example two
Fig. 2 is a schematic structural diagram of a fire early warning device according to a second embodiment of the present invention, which is further detailed in the present embodiment. As shown in fig. 2, a second embodiment of the present invention provides a fire early warning device, including: control module 100, early warning module 200 and organic matter concentration detection module 300, control module 100 includes: the organic matter concentration detection module 300 comprises a sensor unit 310 and a first amplification and shaping unit 320, the drive unit 110 and the analog-to-digital conversion unit 120 are connected with the control unit 130, the control unit 130 is further connected with the early warning module 200, the drive unit 110 is further connected with the sensor unit 310, the sensor unit 310 is connected with the first amplification and shaping unit 320, and the first amplification and shaping unit 320 is connected with the analog-to-digital conversion unit 120.
The control unit 130 controls the driving unit 110 to send a driving signal to the sensor unit 310, and the sensor unit 310 operates under the driving of the driving signal, detects the current concentration of the trace organic matters in the air, and sends the detected current concentration signal of the trace organic matters to the first amplification and shaping unit 320 for amplification and shaping. Since the signal output by the sensor unit 310 is an analog signal and the signal processed by the control unit 130 is a digital signal, the signal output by the first amplification and shaping unit 320 is converted into a digital signal by the analog-to-digital conversion unit 120. The control unit 130 receives the digital signal indicating the current concentration of the trace organic matters in the air sent by the analog-to-digital conversion unit 120, compares the digital signal with a preset organic matter concentration threshold, and if the current concentration exceeds the preset organic matter concentration threshold, the control unit 130 controls the early warning module 200 to display the current concentration of the trace organic matters in the air and perform sound and/or light early warning.
Further, the control unit 130 may be a single chip microcomputer, for example, a 51 single chip microcomputer.
Preferably, the sensor unit 310 is a photo-ion sensor. The light ion sensor is used for detecting gas by adopting the principle that light ions ionize gas, specifically, ultraviolet light generated by an ion lamp is used for irradiating or bombarding target gas, the target gas is ionized after absorbing enough ultraviolet light energy, and the concentration of the target gas can be detected by detecting micro current generated after the gas is ionized. The light ion sensor is the most convenient and sensitive detection means for detecting organic volatile matters, and has incomparable advantages compared with other types of sensors particularly for gas leakage with low concentration.
The embodiment of the utility model provides a second provides a fire early warning equipment passes through the concentration that light ion sensor detected trace organic matter, and the sensitivity is high, and the good reliability has increased early fire early warning's reliability, has played the effect of prevention conflagration.
EXAMPLE III
Fig. 3 is a schematic structural diagram of a fire early warning device according to a third embodiment of the present invention, which is further optimized for the first embodiment. As shown in fig. 3, the third embodiment of the present invention provides a fire early warning device, which comprises a control module 100, an early warning module 200, an organic matter concentration detection module 300, a smoke detection module 400, and a temperature detection module 500, wherein the control module 100 comprises a driving unit 110, an analog-to-digital conversion unit 120, and a control unit 130, the organic matter concentration detection module 300 comprises a photo-ion sensor 310 and a first amplification and shaping unit 320, the smoke detection module 400 comprises a smoke sensor 410 and a second amplification and shaping unit 420, the temperature detection module 500 comprises a temperature sensor 510 and a third amplification and shaping unit 520, the photo-ion sensor 310, the smoke sensor 410, and the temperature sensor 510 are all connected to the driving unit 110, and the first amplification and shaping unit 320, the second amplification and shaping unit 420, and the third amplification and shaping unit 520 are all connected to the analog-to-digital conversion unit 120.
The control unit 130 controls the driving unit 110 to send driving signals to the photo-ion sensor 310, the smoke sensor 410 and the temperature sensor 510, and the photo-ion sensor 310, the smoke sensor 410 and the temperature sensor 510 operate under the driving of the driving signals.
The photoion sensor 310 detects the current concentration of trace organic matters in the air, and sends the detected current concentration signal of the trace organic matters to the first amplification and shaping unit 320 for amplification and shaping, the signal output by the first amplification and shaping unit 320 is converted into a digital signal through the analog-to-digital conversion unit 120 and sent to the control unit 130, the control unit 130 receives the digital signal which is sent by the analog-to-digital conversion unit 120 and represents the current concentration of the trace organic matters in the air, compares the digital signal with a preset organic matter concentration threshold, and if the current concentration exceeds the preset organic matter concentration threshold, the control unit 130 controls the early warning module 200 to display the current concentration of the trace organic matters in the air and carry out sound and/or light early warning.
The smoke sensor 410 detects the current concentration of smoke in the air, and sends the detected current concentration signal of the smoke to the second amplification and shaping unit 420 for amplification and shaping, the signal output by the second amplification and shaping unit 420 is converted into a digital signal through the analog-to-digital conversion unit 120 and sent to the control unit 130, the control unit 130 receives the digital signal which is sent by the analog-to-digital conversion unit 120 and represents the current concentration of the smoke in the air, compares the digital signal with a preset smoke concentration threshold, and if the current concentration exceeds the preset smoke concentration threshold, the control unit 130 controls the early warning module 200 to display the current concentration of the smoke in the air and carry out sound and/or light early warning.
The temperature sensor 510 detects the current temperature of the air, and sends the detected current temperature signal of the air to the third amplification and shaping unit 520 for amplification and shaping, the signal output by the third amplification and shaping unit 520 is converted into a digital signal through the analog-to-digital conversion unit 120 and sent to the control unit 130, the control unit 130 receives the digital signal which is sent by the analog-to-digital conversion unit 120 and represents the current temperature of the air, compares the digital signal with a preset temperature threshold, and if the current temperature exceeds the preset temperature threshold, the control unit 130 controls the early warning module 200 to display the current temperature of the air and perform sound and/or light early warning.
When any one of the photo-ion sensor 310, the smoke sensor 410 and the temperature sensor 510 detects that the corresponding index exceeds the preset threshold, the control unit 130 controls the early warning module 200 to perform early warning display.
Further, the control module 100 further includes an interface unit, which may be a separate module connected to the control unit 130, or an interface disposed on the control unit 130, and preferably, the interface unit in this embodiment is an interface disposed on the control unit 130. The fire early warning apparatus may be connected to an external device through an interface unit, and as shown in fig. 3, the control unit 130 of the fire early warning apparatus is connected to the monitoring platform 600 and the human-machine interface 700 through the interface unit. The control unit 130 may be connected to the monitoring platform 600 through a communication interface, the monitoring platform 600 may check the condition of the environment where the fire early warning device is located in real time, and when the early warning module 200 performs early warning display, the early warning position may be quickly determined through the monitoring platform 600. The control unit 130 may also be connected to the human-machine interface 700 through a wireless or wired interface, and the configuration of the fire early warning device may be changed through the human-machine interface 700, for example, a preset organic matter concentration threshold, a preset smoke concentration threshold, a preset temperature threshold, and the like are modified.
The embodiment of the utility model provides a fire early warning equipment that three provide can realize the early warning mechanism through any one of organic matter concentration, smog concentration and temperature, prevents the emergence of conflagration from many aspects, has improved fire early warning equipment's reliability.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A fire early warning apparatus, comprising: the early warning module and the organic matter concentration detection module are connected with the control module;
the control module is used for controlling the work of the early warning module and the organic matter concentration detection module;
the organic matter concentration detection module is used for detecting the concentration of trace organic matters in the air;
the early warning module is used for carrying out early warning display according to the instruction of the control module.
2. The device of claim 1, wherein the control module comprises a control unit, a driving unit and an analog-to-digital conversion unit, and the control unit is used for controlling the operation of each component in the fire early warning device;
the input end of the driving unit is connected with the control unit, the output end of the driving unit is connected with the organic matter concentration detection module, and the driving unit is used for providing a driving signal for the organic matter concentration detection module;
the input end of the analog-to-digital conversion unit is connected with the organic matter concentration detection module, the output end of the analog-to-digital conversion unit is connected with the control unit, and the analog-to-digital conversion unit is used for converting analog signals output by the organic matter concentration detection module into digital signals and transmitting the digital signals to the control unit.
3. The apparatus of claim 2, wherein the control unit is a single chip microcomputer.
4. The apparatus of claim 1, wherein the organic matter concentration detection module includes a sensor unit for outputting a concentration of trace organic matter in air as an analog signal, and a first amplification and shaping unit; the first amplification and shaping unit is used for amplifying and shaping the analog signal output by the sensor unit.
5. The apparatus of claim 4, wherein the sensor unit is a photo-ion sensor.
6. The apparatus of claim 1, further comprising a smoke detection module coupled to the control module for detecting a smoke concentration in the air.
7. The apparatus of claim 6, wherein the smoke detection module comprises a smoke sensor for outputting a concentration of smoke in air as an analog signal and a second amplification and shaping unit; the second amplification and shaping unit is used for amplifying and shaping the analog signal output by the smoke sensor.
8. The apparatus of claim 1, further comprising a temperature detection module coupled to the control module for detecting an ambient temperature.
9. The apparatus of claim 8, wherein the temperature detection module comprises a temperature sensor and a third amplification and shaping unit, the temperature sensor being configured to output an ambient signal as an analog signal; the third amplifying and shaping unit is used for amplifying and shaping the analog signal output by the temperature sensor.
10. The apparatus of any one of claims 1 to 9, wherein the control module further comprises an interface unit for connecting the fire early warning apparatus with an external apparatus.
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| CN201921789806.8U CN210836456U (en) | 2019-10-23 | 2019-10-23 | Fire early warning equipment |
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| CN201921789806.8U CN210836456U (en) | 2019-10-23 | 2019-10-23 | Fire early warning equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114140970A (en) * | 2021-12-07 | 2022-03-04 | 北京海博创合科技有限公司 | Fire alarm device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114140970A (en) * | 2021-12-07 | 2022-03-04 | 北京海博创合科技有限公司 | Fire alarm device and method |
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