CN220136391U - Temperature, humidity, smog and dust monitoring system - Google Patents
Temperature, humidity, smog and dust monitoring system Download PDFInfo
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- CN220136391U CN220136391U CN202321412892.7U CN202321412892U CN220136391U CN 220136391 U CN220136391 U CN 220136391U CN 202321412892 U CN202321412892 U CN 202321412892U CN 220136391 U CN220136391 U CN 220136391U
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- 239000000779 smoke Substances 0.000 claims abstract description 33
- 238000004891 communication Methods 0.000 claims abstract description 25
- 238000005259 measurement Methods 0.000 claims abstract description 11
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- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 8
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Abstract
The utility model relates to the technical field of monitoring systems, in particular to a temperature and humidity smoke dust monitoring system which comprises a temperature and humidity sensor, a smoke sensor, a dust concentration detection module, a pneumatic module, a singlechip and a communication unit, wherein the temperature and humidity sensor is connected with the singlechip and used for detecting the smoke concentration data of the environment, the dust concentration detection module is connected with the singlechip and used for measuring the dust concentration data of the environment, the pneumatic module is connected with the singlechip and used for conveying the air containing dust of the environment to the dust concentration detection module for detection/measurement according to a driving signal of the singlechip, and the singlechip is communicated with a connected monitoring host in a wired or wireless mode through the communication unit. The utility model has accurate data detection, real-time detection and rapid data processing of the singlechip, and timely information exchange between the system and a monitoring host/upper computer or an App mobile terminal and the like.
Description
Technical Field
The utility model relates to the technical field of monitoring systems, in particular to a temperature, humidity, smoke and dust monitoring system.
Background
Environmental quality problems in public places, particularly in various indoor places such as hospitals, factories, offices and the like, are attracting more and more attention. The temperature and humidity of the air in the environment, the PM2.5 content in the air and the loudness of sound all have influence on the health of people. In the prior environment monitoring system, the environment acquisition is often completed through manual operation and equipment acquisition, so that the problem is that the detection of the concentration of some objects to be acquired such as dust can be influenced by factors such as temperature and humidity change, light source interference and the like during the data reading due to the manual operation acquisition and the data reading, and errors possibly exist; after the data are read, the data are input into a processing host terminal for analysis and processing, so that the acquisition efficiency is relatively low, the instantaneity is poor, and the information exchange is not visual.
Disclosure of Invention
The utility model aims to provide a temperature, humidity, smoke and dust monitoring system for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a temperature humidity smog dust monitoring system, includes temperature and humidity sensor, smoke transducer, dust concentration detection module, pneumatic module, singlechip and communication unit, temperature and humidity sensor connects the singlechip for detect the temperature and humidity data of place environment, smoke transducer is connected with the singlechip, is used for detecting place environment smog concentration data, the dust concentration detection module connects the singlechip, is used for measuring place environment dust concentration data, pneumatic module is connected with the singlechip, is used for carrying the air that place environment contains the dust to dust concentration detection module internal detection/measurement according to singlechip drive signal, the singlechip passes through communication unit and the monitor host computer that connects with wired or wireless mode communication.
Further, the dust concentration detection module comprises a plastic optical fiber, a metal pipe with a small hole, a pneumatic pipe and a detection element, wherein the plastic optical fiber penetrates through the metal pipe, the detection element is connected with the single chip microcomputer, the pneumatic pipe is inserted on the metal pipe, light emitted by a light source is split into two paths, one path of light enters from one end of the plastic optical fiber and passes through the metal pipe, the light in the metal pipe is transmitted to the detection element through the other end of the plastic optical fiber by scattering, the detection element converts photoelectric signals into actual measurement data and uploads the data to the single chip microcomputer, the other path of light is directly transmitted to the detection element, the detection element converts the photoelectric signals into reference data and uploads the data to the single chip microcomputer, and the pneumatic module is connected with the pneumatic pipe.
Further, the communication unit comprises a serial port, and the serial port is connected with the monitoring host.
Further, the communication unit comprises a wireless module, the wireless module comprises a Sink node and a gate node, the gate node is connected with the singlechip and used for collecting, transmitting and forwarding data of the adjacent nodes through local data, and transmitting the data to the Sink node through multi-hop routing, and the Sink node is used for being responsible for configuration, management and data collection of a network and communicating with the monitoring host.
Further, the mobile phone further comprises a dial switch, and the dial switch is connected to the singlechip.
Further, the system also comprises a power module, wherein the power module is used for supplying power to the system.
Further, the liquid crystal display is connected to the singlechip and is based on the TFT1298.
Further, the intelligent alarm device also comprises an alarm module, wherein the alarm module is connected to the singlechip.
Further, the system also comprises a sound collection module, wherein the sound collection module is connected to the singlechip, and the sound collection module is based on TLC549.
Further, the singlechip is based on an STM32 minimum system, the temperature and humidity sensor is based on DTH11, and the smoke sensor is based on MQ-2.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model realizes a monitoring system capable of simultaneously monitoring the temperature and humidity, the dust concentration, the smoke concentration and the noise in the environment, can be applied to the environmental quality of public places, underground mines, indoor environment detection and the like, integrates a smoke sensor, a temperature and humidity sensor, a dust concentration detection module and the like together in comparison with the existing monitoring mode, has relatively small volume, can realize real-time detection, has relatively higher automatic acquisition efficiency, is rapid in data processing of a singlechip, and can timely exchange information with a monitoring host/an upper computer or an App mobile terminal and the like, and the system can be visually displayed through a liquid crystal display TFT1298 or the monitoring host. The dust concentration detection module can reduce the influence of factors such as temperature and humidity changes, light source interference and the like on dust concentration detection, so that the purposes of small measurement error and high precision are realized. The voice collection module TLC549 is used for detecting the voice intensity of the surrounding environment, so that the defect that the existing environment monitoring system only monitors the temperature and humidity and dust concentration in the environment and noise monitoring is realized by an independent noise monitoring system is overcome.
Drawings
Fig. 1 is a functional block diagram of the present utility model.
FIG. 2 is a block diagram of a dust concentration detection module according to the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the terms "upper end," "lower end," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like indicate an azimuth or a positional relationship based on that shown in the drawings, merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "sleeved," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 2, the present utility model provides a technical solution:
the utility model provides a temperature humidity smog dust monitoring system, includes temperature and humidity sensor, smoke transducer, dust concentration detection module, pneumatic module, singlechip and communication unit, temperature and humidity sensor connects the singlechip for detect the temperature and humidity data of place environment, smoke transducer is connected with the singlechip, is used for detecting place environment smog concentration data, the dust concentration detection module connects the singlechip, is used for measuring place environment dust concentration data, pneumatic module is connected with the singlechip, is used for carrying the air that place environment contains the dust to dust concentration detection module internal detection/measurement according to singlechip drive signal, the singlechip passes through communication unit and the monitor host computer that connects with wired or wireless mode communication.
Specifically, the dust concentration detection module comprises a plastic optical fiber, a metal pipe with a small hole, a pneumatic pipe and a detection element, wherein the plastic optical fiber penetrates through the metal pipe, the detection element is connected with a single chip microcomputer, the pneumatic pipe is inserted on the metal pipe, light emitted by a light source is split into two paths, one path of light enters from one end of the plastic optical fiber and passes through the metal pipe, the light in the metal pipe is transmitted to the detection element through the other end of the plastic optical fiber by scattering, the detection element converts photoelectric signals into actual measurement data and uploads the data to the single chip microcomputer, the other path of light is directly transmitted to the detection element, the detection element converts the photoelectric signals into reference data and uploads the data to the single chip microcomputer, and the pneumatic module is connected with the pneumatic pipe.
Specifically, the communication unit comprises a serial port, and the serial port is connected with the monitoring host.
Specifically, the communication unit comprises a wireless module, wherein the wireless module comprises a Sink node and a gate node, the gate node is connected with the singlechip and used for collecting, transmitting and forwarding data of adjacent nodes through local data and transmitting the data to the Sink node through multi-hop routing, and the Sink node is used for being responsible for configuration, management and data collection of a network and communicating with the monitoring host.
Specifically, still include power module and with singlechip connected LCD, alarm module, dial switch and sound collection module, power module is used for supplying power for the system, LCD is based on TFT1298, sound collection module is based on TLC549.
Specifically, the singlechip is based on STM32 minimum system, the temperature and humidity sensor is based on DTH11, and the smoke sensor is based on MQ-2.
The utility model designs a monitoring system capable of simultaneously monitoring the temperature and humidity, the dust concentration, the smoke concentration and the noise in the environment, can be applied to the environmental quality of public places, underground mines, indoor environment detection and the like, integrates a smoke sensor, a temperature and humidity sensor, a dust concentration detection module and the like together in comparison with the existing monitoring mode, has relatively small volume, can realize real-time detection, has rapid data processing of a singlechip, timely exchanges information with a monitoring host/an upper computer or an App mobile terminal and the like, and can display intuitiveness through a liquid crystal display TFT1298 or the monitoring host. The purposes of small measurement error, higher precision and stable system operation are realized.
According to the utility model, the alarm value of dust and smoke concentration is set for the singlechip STM32, the data are sent to the STM32 chip for analysis and processing, and the obtained result is synchronously output in the liquid crystal display device of the system. When the measurement results of the dust concentration and the smoke concentration in the environment exceed the upper limit alarm value, the STM32 control can automatically output alarm prompt information. When the data acquired by the alarm module exceeds the preset range, a sound is made to prompt that the environmental quality is abnormal.
According to the utility model, the temperature and humidity sensor uses the digital temperature and humidity sensor DTH11 to complete the acquisition of the temperature and humidity in the environment, so that the temperature and humidity information of the environment can be known in real time. The voice collection module TLC549 is used for detecting the voice intensity of the surrounding environment, so that the defect that the existing environment monitoring system only monitors the temperature and humidity and dust concentration in the environment and noise monitoring is realized by an independent noise monitoring system is overcome.
According to the utility model, the structure of the dust concentration detection module is shown in fig. 2, before starting monitoring, the singlechip sends out a control signal, and the pneumatic switch connected with the pneumatic module is firstly opened, and the pneumatic module is preferably a micro air pump which plays a role in purging and self-cleaning dust on the end face of the plastic optical fiber. The power switch of the light source is controlled to be turned on, the light source is transmitted to a hollow metal tube air chamber with small holes on the surface through a plastic optical fiber, when dust enters the metal tube, light beams are scattered, light intensity is attenuated, a coupling lens is arranged on the other side of the metal tube to focus the light beams on the output plastic optical fiber, and a detection element is used for detecting the light beams: preferably a photodiode or photomultiplier, converts the transmitted light signal into an electrical signal, ready for further signal processing. The method comprises the steps of firstly dividing light emitted by a light source into two light beams with the same intensity by using an optical fiber branching device, taking one light beam as signal light to enter a metal tube air chamber, then entering a detection element after dust, taking the other light beam as reference light to directly enter the detection element, taking the light intensity of the signal light beam as emergent light intensity, setting the light intensity of the reference light beam as incident light intensity, setting the light intensity of the reference light beam as B, and finally converting two light signals into electric signals by using a photoelectric detector. The dust concentration detection module is completely electroless, prevents dust explosion caused by electric spark, and can be applied to environments such as underground mine exploitation and the like according to actual conditions. The pneumatic module has a self-cleaning function, so that false alarm and measurement deviation caused by dust attached to the end face of the optical fiber are avoided. Can real-time supervision, can discover fast when meetting the concentration too high, in time solve.
According to the utility model, the hardware system is automatically initialized after being electrified, whether the temperature sensor DTH11, the smoke sensor MQ-2, the dust concentration detection module and the like work normally or not is monitored, and the hardware system is reset immediately after abnormality occurs, so that the sensor/module can work stably; collecting temperature (humidity) values, smoke concentration, dust concentration and the like of each monitoring point in a room; because the temperature rise phenomenon exists in the early stage and the later stage of the smoldering state of the dangerous case, the temperature rise reaches a combustion point in the early stage, and the temperature rise caused by the occurrence of open fire in the later stage, whether the smoke value of the environment exceeds a threshold value or not needs to be detected firstly, and the temperature value monitoring can be normally carried out before and after the smoldering state; when the smoke threshold value is exceeded, the temperature value and the smoke value are analyzed, and whether the smoke value is abnormal is judged according to the correlation coefficient between the two groups, wherein the smoke value is caused by artificial interference or fire disaster smoke. When the temperature value is detected to be fluctuated within the normal range, whether the temperature of the monitoring point exceeds a threshold value is continuously detected, so that false alarm and missing alarm are prevented; and finally, the hardware system packages the data acquired by the sensor and the alarm information bit, and uploads the data and the alarm information bit to the monitoring host together to continue to monitor in real time.
According to the utility model, the system and the monitoring host can adopt wired communication or wireless communication, the communication mode is more flexible, and the selection can be carried out according to the actual use condition. When wired communication is adopted, the data can be connected with a monitoring host through a serial port, and when wireless communication is adopted, the Mote node has the dual functions of local data acquisition and transmission and forwarding of adjacent node data, and can transmit the data to a Sink node through multi-hop routing; the Sink node is a center of the network, has functions of a coordinator and a gateway, and is responsible for configuration, management and data collection of the network and communication with (background management software of) a monitoring host.
According to the utility model, the singlechip is connected with an 8-bit dial switch, so that the serial number of the data terminal is conveniently set, the upper 3 bits are used for representing the type of the sensor, and the lower 5 bits are used for representing the module number of the data terminal. According to the information of the module number, the data type and the data quantity of the data terminal, the singlechip does not need to be configured in advance, and the receiving, storing and predicting of the uploaded data are completed through statistics of the received information. The singlechip of the data terminal uses the STM32 minimum singlechip, and the EEPROM of the singlechip can store the position information, so that the stability of the position information is ensured. The power module of the data terminal is powered by a lithium battery of 8000 mAh.
The utility model realizes a monitoring system capable of simultaneously monitoring the temperature and humidity, the dust concentration, the smoke concentration and the noise in the environment, can be applied to the environmental quality of public places, underground mines, indoor environment detection and the like, integrates a smoke sensor, a temperature and humidity sensor, a dust concentration detection module and the like together in comparison with the existing monitoring mode, has relatively small volume, can realize real-time detection, has rapid data processing of a singlechip, timely exchanges information with a monitoring host/an upper computer or an App mobile terminal and the like, and can display intuitionism through a liquid crystal display TFT1298 or the monitoring host. The dust concentration detection module can reduce the influence of factors such as temperature and humidity changes, light source interference and the like on dust concentration detection, so that the purposes of small measurement error and high precision are realized. The voice collection module TLC549 is used for detecting the voice intensity of the surrounding environment, so that the defect that the existing environment monitoring system only monitors the temperature and humidity and dust concentration in the environment and noise monitoring is realized by an independent noise monitoring system is overcome.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a temperature humidity smog dust monitoring system, its characterized in that includes temperature and humidity sensor, smoke transducer, dust concentration detection module, pneumatic module, singlechip and communication unit, temperature and humidity sensor connects the singlechip for detect the humiture data of place environment, smoke transducer is connected with the singlechip, is used for detecting place environment smog concentration data, dust concentration detection module connects the singlechip, is used for measuring place environment dust concentration data, pneumatic module is connected with the singlechip, is used for carrying the air that place environment contains the dust to dust concentration detection module in detect/measure according to singlechip drive signal, the singlechip passes through communication unit and connects the monitoring host computer with wired or wireless mode communication.
2. The system of claim 1, wherein the dust concentration detection module comprises a plastic optical fiber, a metal pipe with a small hole, a pneumatic pipe and a detection element, wherein the plastic optical fiber penetrates through the metal pipe, the detection element is connected with the single chip microcomputer, the pneumatic pipe is inserted on the metal pipe, light emitted by the light source is split into two paths, one path of light enters from one end of the plastic optical fiber and passes through the metal pipe, the light in the metal pipe is transmitted to the detection element through the other end of the plastic optical fiber by scattering, the detection element converts photoelectric signals into actual measurement data and uploads the data to the single chip microcomputer, the other path of light is directly sent to the detection element, the detection element converts the photoelectric signals into reference data and uploads the data to the single chip microcomputer, and the pneumatic module is connected with the pneumatic pipe.
3. A temperature, humidity, smoke and dust monitoring system according to claim 1 wherein the communication unit comprises a serial port connected to the monitoring host.
4. The system of claim 1, wherein the communication unit comprises a wireless module, the wireless module comprises a Sink node and a gate node, the gate node is connected with the single-chip microcomputer and used for local data acquisition, transmission and forwarding of neighbor node data, and the data is transmitted to the Sink node through multi-hop routing, and the Sink node is used for network configuration, management and data collection and is in communication with the monitoring host.
5. The system of claim 1, further comprising a dial switch, wherein the dial switch is coupled to the single-chip microcomputer.
6. A temperature, humidity, smoke and dust monitoring system according to claim 1 further comprising a power module for powering the system.
7. The system of claim 1, further comprising a liquid crystal display, wherein the liquid crystal display is coupled to the single-chip microcomputer and wherein the liquid crystal display is based on TFT1298.
8. The system of claim 1, further comprising an alarm module, wherein the alarm module is coupled to the single-chip microcomputer.
9. The system of claim 1, further comprising a sound collection module, wherein the sound collection module is coupled to the single-chip microcomputer and wherein the sound collection module is based on TLC549.
10. A temperature, humidity, smoke and dust monitoring system according to claim 1, wherein the single chip microcomputer is based on an STM32 minimum system, the temperature and humidity sensor is based on DTH11, and the smoke sensor is based on MQ-2.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321412892.7U CN220136391U (en) | 2023-06-05 | 2023-06-05 | Temperature, humidity, smog and dust monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321412892.7U CN220136391U (en) | 2023-06-05 | 2023-06-05 | Temperature, humidity, smog and dust monitoring system |
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| CN220136391U true CN220136391U (en) | 2023-12-05 |
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| CN202321412892.7U Active CN220136391U (en) | 2023-06-05 | 2023-06-05 | Temperature, humidity, smog and dust monitoring system |
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