CN112820079A - Zigbee-based wireless carbon dioxide alarm system and working method thereof - Google Patents
Zigbee-based wireless carbon dioxide alarm system and working method thereof Download PDFInfo
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- CN112820079A CN112820079A CN202110202908.0A CN202110202908A CN112820079A CN 112820079 A CN112820079 A CN 112820079A CN 202110202908 A CN202110202908 A CN 202110202908A CN 112820079 A CN112820079 A CN 112820079A
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 148
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 74
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000012545 processing Methods 0.000 claims abstract description 36
- 238000004891 communication Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 238000012937 correction Methods 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 13
- 230000003321 amplification Effects 0.000 claims description 9
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 9
- 238000013500 data storage Methods 0.000 claims description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 description 5
- 208000002173 dizziness Diseases 0.000 description 2
- 239000013067 intermediate product Substances 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- 206010012373 Depressed level of consciousness Diseases 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 206010033557 Palpitations Diseases 0.000 description 1
- 208000006673 asthma Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C25/00—Arrangements for preventing or correcting errors; Monitoring arrangements
Abstract
The invention discloses a Zigbee-based wireless carbon dioxide alarm system and a working method thereof, and belongs to the technical field of carbon dioxide sensing detection and security. The device comprises a plurality of carbon dioxide alarm devices arranged in a target detection area; the carbon dioxide alarm device comprises a carbon dioxide sensor module, a data processing module, a control module, a Zigbee communication module, an alarm module and a power supply module; the carbon dioxide sensor module is connected with the data processing module, the data processing module is connected with the control module, and the control module is respectively connected with the Zigbee communication module, the alarm module and the power supply module; the Zigbee communication module is connected with the Zigbee control terminal. The system of the invention has the advantages of convenient construction, high flexibility, low cost and high automation degree, and can meet the use requirements of various environments.
Description
Technical Field
The invention belongs to the technical field of carbon dioxide sensing detection and security protection, and particularly relates to a Zigbee-based wireless carbon dioxide alarm system and a working method thereof.
Background
The traditional carbon dioxide detection and alarm method is to throw a torch into a cave, a well and a production area and then observe whether the torch is extinguished to judge whether the concentration of carbon dioxide in the cave exceeds the standard or not. The accuracy of the mode is not high, and the problems of insecurity, difficult carrying and the like exist in the use of the torch.
At present, a detection alarm circuit and an alarm instrument are arranged to detect carbon dioxide in a widely applied mode, although precision is improved, fault hidden dangers such as false alarm and failure caused by circuit faults exist, and the problems of high arrangement cost, difficulty in moving position, limited monitoring area and the like exist.
With the rapid development of society, the application fields of producing and producing carbon dioxide or taking carbon dioxide as a medium or an intermediate product become more and more extensive, when CO is used2The concentration of the compound can cause people to feel suffocation, dizziness and palpitation when reaching 1 percent, cause people to feel asthma, headache and dizziness when reaching 4 percent to 5 percent, and cause people to lose consciousness, have obnubilation and stop breathing when reaching 10 percent, thereby causing people to die. In the space of producing and producing carbon dioxide or taking carbon dioxide as a medium or an intermediate product, the security protection requirement of additionally arranging a safe, reliable and conveniently-arranged carbon dioxide alarm system is more and more.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a Zigbee-based wireless carbon dioxide alarm system and a working method thereof, which are convenient to construct, high in flexibility, low in cost, high in automation degree, and capable of meeting the use requirements of various environments.
The invention is realized by the following technical scheme:
the invention discloses a Zigbee-based wireless carbon dioxide alarm system, which comprises a plurality of carbon dioxide alarm devices arranged in a target detection area;
the carbon dioxide alarm device comprises a carbon dioxide sensor module, a data processing module, a control module, a Zigbee communication module, an alarm module and a power supply module; the carbon dioxide sensor module is connected with the data processing module, and the control module is respectively connected with the data processing module, the Zigbee communication module, the alarm module and the power supply module; the Zigbee communication module is connected with the Zigbee control terminal.
Preferably, the carbon dioxide sensor module is a honeywell CRIR carbon dioxide sensor.
Preferably, the data processing module comprises a signal amplifying module, a filtering module and an A/D module; two ends of the signal amplification module are respectively connected with the carbon dioxide sensor module and the filtering module, the filtering module is connected with the A/D module, and the A/D module is connected with the control module.
Further preferably, the data processing module further comprises a zero point correction module, a linearization processing module, a compensation circuit module and an error correction module; one end of the zero point correction module is connected with the signal amplification module, the other end of the zero point correction module is connected with the linearization processing module, the linearization processing module is connected with the compensation circuit module, the compensation circuit module is connected with the error correction module, and the error correction module is connected with the filtering module.
Preferably, the control module is a C8051FF09 singlechip.
Preferably, the Zigbee control terminal is a mobile phone, a PDA, a tablet computer, or a notebook computer.
Preferably, the power module is a dry battery or a lithium battery.
Preferably, the control module is connected with a data storage module.
The invention discloses a working method of the Zigbee-based wireless carbon dioxide alarm system, which comprises the following steps:
the carbon dioxide alarm devices distributed in the target detection area monitor the carbon dioxide concentration in the area in real time through the carbon dioxide sensor modules and send data to the data processing module, the data are processed by the data processing module and then sent to the control module, the control module sends the data to the Zigbee control terminal through the Zigbee communication module, meanwhile, the control module is preset with an alarm threshold value, and when the carbon dioxide concentration value exceeds the alarm threshold value, the alarm module gives an alarm.
Compared with the prior art, the invention has the following beneficial technical effects:
according to the wireless carbon dioxide alarm system based on the Zigbee, the carbon dioxide alarm device adopts the Zigbee to communicate, so that complex programs such as installation and wiring are omitted, and the cost is reduced; the monitoring system can be conveniently and simply set up only in the coverage range of a wireless network, and meanwhile, workers can utilize various mobile terminals to carry out remote real-time monitoring and are not limited to a certain fixed control terminal. When the environment, equipment and the like in the target detection area change, the position and the layout of the carbon dioxide alarm device in the system can be quickly adjusted, the monitoring requirement is met, and the adaptability to the environment is strong.
Furthermore, the data processing module comprises a zero point correction module, a linearization processing module, a compensation circuit module and an error correction module besides the conventional signal amplification module, the filtering module and the A/D module, so that the reliability and stability of data signal transmission can be ensured, and the missing report and the false report are avoided.
Furthermore, because the power consumption of each module is extremely low, the power module can meet the requirements by adopting dry batteries or lithium batteries, and the arrangement of power lines is avoided.
Furthermore, the control module is connected with a data storage module, so that data can be filed, and historical data analysis can be performed conveniently in the later stage.
The working method of the Zigbee-based wireless carbon dioxide alarm system disclosed by the invention has the advantages of high automation degree, stability, reliability, economy and practicability.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1-a carbon dioxide alarm device; 1-1-a carbon dioxide sensor module; 1-2-a data processing module; 1-3-a control module; 1-4-Zigbee communication module; 1-5-an alarm module; 1-6-a power module; 1-7-a data storage module; 2-Zigbee control terminal.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings, which are included to illustrate and not to limit the invention:
ZigBee is a novel wireless communication, is a wireless network protocol of low-speed short-distance transmission, and the bottom layer is a media access layer and a physical layer which adopt IEEE 802.15.4 standard specifications. The method is mainly characterized by low speed, low power consumption, low cost, support of a large number of nodes on the network, support of various topologies on the network, low complexity, rapidness, reliability and safety.
As shown in fig. 1, the Zigbee-based wireless carbon dioxide alarm system of the present invention includes a plurality of carbon dioxide alarm devices 1 arranged in a target detection area, and both the number and the density of the carbon dioxide alarm devices 1 may be adjusted according to the actual situation in the target detection area.
The carbon dioxide alarm device 1 comprises a carbon dioxide sensor module 1-1, a data processing module 1-2, a control module 1-3, a Zigbee communication module 1-4, an alarm module 1-5 and a power module 1-6; the carbon dioxide sensor module 1-1 is connected with the data processing module 1-2, the data processing module 1-2 is connected with the control module 1-3, and the control module 1-3 is respectively connected with the Zigbee communication module 1-4, the alarm module 1-5 and the power supply module 1-6; the Zigbee communication modules 1-4 are connected with the Zigbee control terminal 2.
Specifically, the data processing module 1-2 comprises a signal amplification module, a filtering module and an A/D module; two ends of the signal amplification module are respectively connected with the carbon dioxide sensor module 1-1 and the filtering module, the filtering module is connected with the A/D module, and the A/D module is connected with the control module 1-3. Further preferably, the data processing module 1-2 further comprises a zero point correction module, a linearization processing module, a compensation circuit module and an error correction module; one end of the zero point correction module is connected with the signal amplification module, the other end of the zero point correction module is connected with the linearization processing module, the linearization processing module is connected with the compensation circuit module, the compensation circuit module is connected with the error correction module, and the error correction module is connected with the filtering module.
In a preferred embodiment of the invention, the control module 1-3 is further connected with a data storage module 1-7, which can store daily monitoring data, and the staff can analyze the historical data periodically.
Carbon dioxide sensor module 1-1 may employ a honeywell CRIR carbon dioxide sensor.
The control modules 1-3 can adopt a C8051FF09 singlechip.
The Zigbee control terminal 2 may be a mobile phone, a PDA, a tablet computer, or a notebook computer.
The power modules 1-6 can adopt dry batteries or lithium batteries, and are convenient to replace.
The working method of the Zigbee-based wireless carbon dioxide alarm system comprises the following steps:
the carbon dioxide alarm devices 1 distributed in the target detection area monitor the carbon dioxide concentration in the area in real time through the carbon dioxide sensor modules 1-1 and send data to the data processing modules 1-2, the data are processed by the data processing modules 1-2 and then sent to the control modules 1-3, the control modules 1-3 send the data to the Zigbee control terminal 2 through the Zigbee communication modules 1-4, meanwhile, alarm thresholds are preset in the control modules 1-3, and when the carbon dioxide concentration value exceeds the alarm thresholds, the alarm modules 1-5 give an alarm.
The above description is only a part of the embodiments of the present invention, and although some terms are used in the present invention, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the invention and are to be construed as any additional limitation which is not in accordance with the spirit of the invention. The foregoing is merely an illustration of the present invention for the purpose of providing an easy understanding and is not intended to limit the present invention to the particular embodiments disclosed herein, and any technical extensions or innovations made herein are protected by the present invention.
Claims (9)
1. A Zigbee-based wireless carbon dioxide alarm system is characterized by comprising a plurality of carbon dioxide alarm devices (1) which are arranged in a target detection area;
the carbon dioxide alarm device (1) comprises a carbon dioxide sensor module (1-1), a data processing module (1-2), a control module (1-3), a Zigbee communication module (1-4), an alarm module (1-5) and a power supply module (1-6); the carbon dioxide sensor module (1-1) is connected with the data processing module (1-2), and the control module (1-3) is respectively connected with the data processing module (1-2), the Zigbee communication module (1-4), the alarm module (1-5) and the power supply module (1-6); the Zigbee communication modules (1-4) are connected with the Zigbee control terminal (2).
2. A Zigbee-based wireless carbon dioxide alarm system according to claim 1, wherein the carbon dioxide sensor module (1-1) is a honeywell CRIR carbon dioxide sensor.
3. The Zigbee-based wireless carbon dioxide alarm system according to claim 1, wherein the data processing module (1-2) comprises a signal amplification module, a filtering module and an A/D module; two ends of the signal amplification module are respectively connected with the carbon dioxide sensor module (1-1) and the filtering module, the filtering module is connected with the A/D module, and the A/D module is connected with the control module (1-3).
4. The Zigbee-based wireless carbon dioxide alarm system according to claim 3, wherein the data processing module (1-2) further comprises a zero point correction module, a linearization processing module, a compensation circuit module and an error correction module; one end of the zero point correction module is connected with the signal amplification module, the other end of the zero point correction module is connected with the linearization processing module, the linearization processing module is connected with the compensation circuit module, the compensation circuit module is connected with the error correction module, and the error correction module is connected with the filtering module.
5. The Zigbee-based wireless carbon dioxide alarm system according to claim 1, wherein the control module (1-3) is a C8051FF09 single-chip microcomputer.
6. The Zigbee-based wireless carbon dioxide alarm system according to claim 1, wherein the Zigbee control terminal (2) is a mobile phone, a PDA, a tablet computer or a notebook computer.
7. The Zigbee-based wireless carbon dioxide alarm system according to claim 1, wherein the power modules (1-6) are dry batteries or lithium batteries.
8. A Zigbee-based wireless carbon dioxide alarm system according to claim 1, wherein the control module (1-3) is connected to a data storage module (1-7).
9. The working method of the Zigbee-based wireless carbon dioxide alarm system according to any one of claims 1 to 8, comprising the following steps:
the carbon dioxide alarm device comprises a plurality of carbon dioxide alarm devices (1) which are arranged in a target detection area, wherein the carbon dioxide alarm devices (1) monitor the concentration of carbon dioxide in the area in real time through carbon dioxide sensor modules (1-1) and send data to data processing modules (1-2), the data are processed through the data processing modules (1-2) and then sent to control modules (1-3), the control modules (1-3) send the data to Zigbee control terminals (2) through Zigbee communication modules (1-4), meanwhile, alarm thresholds are preset in the control modules (1-3), and when the carbon dioxide concentration value exceeds the alarm thresholds, the alarm modules (1-5) give an alarm.
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| CN202110202908.0A CN112820079A (en) | 2021-02-22 | 2021-02-22 | Zigbee-based wireless carbon dioxide alarm system and working method thereof |
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