CN112179952A - Anti-interference formaldehyde detection system for monitoring formaldehyde concentration in real time - Google Patents
Anti-interference formaldehyde detection system for monitoring formaldehyde concentration in real time Download PDFInfo
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- CN112179952A CN112179952A CN202011020775.7A CN202011020775A CN112179952A CN 112179952 A CN112179952 A CN 112179952A CN 202011020775 A CN202011020775 A CN 202011020775A CN 112179952 A CN112179952 A CN 112179952A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
- G01N27/125—Composition of the body, e.g. the composition of its sensitive layer
- G01N27/127—Composition of the body, e.g. the composition of its sensitive layer comprising nanoparticles
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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
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- 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
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/06—Non-electrical signal transmission systems, e.g. optical systems through light guides, e.g. optical fibres
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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Abstract
The invention provides an anti-interference formaldehyde detection system for monitoring the concentration of formaldehyde in real time, which is characterized by comprising a remote detection control module, a plurality of formaldehyde data acquisition units, a data processing unit and an alarm system, wherein the remote detection control module is respectively connected with the formaldehyde data acquisition units, the data processing unit and the alarm system through a coordinator of a wireless network, and is used for receiving and sending data and commands between an upper stage and a lower stage. The formaldehyde monitoring system has the advantages that light is transmitted by adopting optical fibers, the transmission speed is high, the anti-interference capability is high, the formaldehyde value is acquired by adopting a plurality of formaldehyde data acquisition units of the single-chip ADuC834 with high-precision AD, the continuity of monitoring formaldehyde is ensured by matching with the remote detection control module with the clock unit, the monitoring system networking is realized by adopting the data processing units distributed with the RS485 bus, and the requirement of monitoring the formaldehyde concentration in real time is further met.
Description
Technical Field
The invention relates to the technical field of formaldehyde detection systems, in particular to a formaldehyde detection system capable of monitoring the concentration of formaldehyde in real time in an anti-interference manner.
Background
Formaldehyde is an important chemical substance and is widely used in various building materials such as artificial boards, textiles, paints, adhesives, etc. due to its excellent solubility. However, formaldehyde is a colorless gas with a strong pungent odor, and has an irritating effect on human eyes, nose, and the like. The main harm of formaldehyde is the influence of stimulation, sensitization and mutagenesis on body tissues, and is one of the accepted carcinogens. In order to ensure the health of people, the measurement of formaldehyde needs to be continuously monitored in the process of producing and manufacturing the formaldehyde so as to ensure the safe operation of people.
The traditional formaldehyde detection method, such as spectrophotometry and chromatography, has long detection period, difficult operation and strong specialization, is difficult to realize high-efficiency, quick and rapid popularization, and is difficult to continuously detect; the existing formaldehyde detection system mostly adopts an electrochemical sensor, has the problems of weak signal, easy interference and the like, and can not meet the requirement of monitoring the formaldehyde concentration in real time.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an anti-interference formaldehyde detection system for monitoring the concentration of formaldehyde in real time.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an anti-interference formaldehyde detection system of real-time supervision formaldehyde concentration, a serial communication port, including remote detection control module, a plurality of formaldehyde data acquisition unit, data processing unit and alarm system, remote detection control module passes through wireless network's coordinator respectively with formaldehyde data acquisition unit, data processing unit, alarm system connects, remote detection control module is used for accomplishing and the upper and lower level between data, the receipt and the transmission of order, remote detection control module is MAX485 with next stage communication interface, pass through the ESP8266 module with the communication of last level, data processing unit and alarm system all adopt optic fibre conduction light wireless connection with mobile terminal's signal receiver.
Preferably, the coordinator of the wireless network is a coordinator of a Zigbee wireless network or a coordinator of a CC 2430-based wireless sensor network.
Preferably, the formaldehyde data acquisition unit comprises an ADuC834 single chip microcomputer and a formaldehyde sensor, the ADuC834 single chip microcomputer is connected with the formaldehyde sensor, the ADuC834 single chip microcomputer is used for completing signal acquisition of the formaldehyde sensor, monitored formaldehyde data are transmitted to the remote detection control module after code conversion is carried out on the ADuC834 single chip microcomputer, and the formaldehyde sensor is made of a nano-material formaldehyde sensor NGTFS10 a.
Preferably, the data processing unit comprises an RS485 bus and a CC2530 single chip microcomputer, the CC2530 single chip microcomputer is used for coordinating and processing the data acquired by the formaldehyde data acquisition unit, the CC2530 single chip microcomputer is connected with the RS485 bus, and the RS485 bus is used for completing the cascade connection of the plurality of formaldehyde data acquisition units.
Preferably, the alarm system comprises a sound alarm and a light alarm for assisting the sound alarm, the sound alarm is wirelessly connected with the buzzer through a remote detection control module, and the light alarm is controlled by a port P2-1 of the singlechip.
Preferably, the remote detection control module comprises a microprocessor and a clock unit, and the clock unit is connected with the microprocessor.
Preferably, the microprocessor uses a STC52 series or STM32 series single chip microcomputer chip, and the clock circuit uses a clock crystal oscillator.
The invention has the beneficial effects that: the invention provides an anti-interference formaldehyde detection system for monitoring formaldehyde concentration in real time, which has the advantages of high transmission speed and strong anti-interference capability by adopting optical fibers to conduct light, adopts a plurality of formaldehyde data acquisition units of a singlechip ADuC834 with high-precision AD to acquire a formaldehyde value, is matched with a remote detection control module with a clock unit to ensure the continuity of monitoring formaldehyde, and ensures the cascade connection of a plurality of formaldehyde data acquisition units by adopting data processing units distributed with RS485 buses, thereby realizing the networking of the monitoring system and further meeting the requirement of monitoring the formaldehyde concentration in real time.
Detailed Description
The invention is further illustrated by the following examples:
the utility model provides an anti-interference formaldehyde detection system of real-time supervision formaldehyde concentration, a serial communication port, including remote detection control module, a plurality of formaldehyde data acquisition unit, data processing unit and alarm system, remote detection control module passes through wireless network's coordinator respectively with formaldehyde data acquisition unit, data processing unit, alarm system connects, remote detection control module is used for accomplishing and the upper and lower level between data, the receipt and the transmission of order, remote detection control module is MAX485 with next stage communication interface, pass through the ESP8266 module with the communication of last level, data processing unit and alarm system all adopt optic fibre conduction light wireless connection with mobile terminal's signal receiver.
Preferably, the coordinator of the wireless network is a coordinator of a Zigbee wireless network or a coordinator of a CC 2430-based wireless sensor network.
Preferably, the formaldehyde data acquisition unit comprises an ADuC834 single chip microcomputer and a formaldehyde sensor, the ADuC834 single chip microcomputer is connected with the formaldehyde sensor, the ADuC834 single chip microcomputer is used for completing signal acquisition of the formaldehyde sensor, monitored formaldehyde data are transmitted to the remote detection control module after code conversion is carried out on the ADuC834 single chip microcomputer, and the formaldehyde sensor is made of a nano-material formaldehyde sensor NGTFS10 a.
Preferably, the data processing unit comprises an RS485 bus and a CC2530 single chip microcomputer, the CC2530 single chip microcomputer is used for coordinating and processing the data acquired by the formaldehyde data acquisition unit, the CC2530 single chip microcomputer is connected with the RS485 bus, and the RS485 bus is used for completing the cascade connection of the plurality of formaldehyde data acquisition units.
Preferably, the alarm system comprises a sound alarm and a light alarm for assisting the sound alarm, the sound alarm is wirelessly connected with the buzzer through a remote detection control module, and the light alarm is controlled by a port P2-1 of the singlechip.
Preferably, the remote detection control module comprises a microprocessor and a clock unit, and the clock unit is connected with the microprocessor.
Preferably, the microprocessor uses a STC52 series or STM32 series single chip microcomputer chip, and the clock circuit uses a clock crystal oscillator.
Example 1
The utility model provides an anti-interference formaldehyde detecting system of real-time supervision formaldehyde concentration, including remote detection control module, a plurality of formaldehyde data acquisition unit, data processing unit and alarm system, remote detection control module passes through wireless network's coordinator respectively with formaldehyde data acquisition unit, data processing unit, alarm system connects, remote detection control module is used for accomplishing and the superior-inferior data between, the receipt and the sending of order, remote detection control module is MAX485 with next-level communication interface, pass through the ESP8266 module with the communication of last one-level, data processing unit and alarm system all adopt optic fibre conduction light wireless connection with mobile terminal's signal receiver.
The coordinator of the wireless network is a coordinator of a Zigbee wireless network.
The formaldehyde data acquisition unit comprises an ADuC834 single chip microcomputer and a formaldehyde sensor, the ADuC834 single chip microcomputer is connected with the formaldehyde sensor, the ADuC834 single chip microcomputer is used for completing signal acquisition of the formaldehyde sensor, monitored formaldehyde data are transmitted to the remote detection control module after code conversion is carried out on the ADuC834 single chip microcomputer, and the formaldehyde sensor is made of a nano material and is NGTFS10 a.
The data processing unit comprises an RS485 bus and a CC2530 single chip microcomputer, the CC2530 single chip microcomputer is used for coordinating and processing data acquired by the formaldehyde data acquisition unit, the CC2530 single chip microcomputer is connected with the RS485 bus, and the RS485 bus is used for completing cascade connection of the plurality of formaldehyde data acquisition units.
The alarm system comprises a sound alarm and a light alarm for assisting the sound alarm, the sound alarm is connected with the buzzer through a remote detection control module in a wireless mode, and the light alarm is controlled by a port P2-1 of the single chip microcomputer.
The remote detection control module comprises a microprocessor and a clock unit, and the clock unit is connected with the microprocessor.
The microprocessor uses STC52 series single chip microcomputer chip, and the clock circuit uses clock crystal oscillator.
Example 2
The utility model provides an anti-interference formaldehyde detecting system of real-time supervision formaldehyde concentration, including remote detection control module, a plurality of formaldehyde data acquisition unit, data processing unit and alarm system, remote detection control module passes through wireless network's coordinator respectively with formaldehyde data acquisition unit, data processing unit, alarm system connects, remote detection control module is used for accomplishing and the superior-inferior data between, the receipt and the sending of order, remote detection control module is MAX485 with next-level communication interface, pass through the ESP8266 module with the communication of last one-level, data processing unit and alarm system all adopt optic fibre conduction light wireless connection with mobile terminal's signal receiver.
The coordinator of the wireless network is the coordinator of the wireless sensing network based on the CC 2430.
The formaldehyde data acquisition unit comprises an ADuC834 single chip microcomputer and a formaldehyde sensor, the ADuC834 single chip microcomputer is connected with the formaldehyde sensor, the ADuC834 single chip microcomputer is used for completing signal acquisition of the formaldehyde sensor, monitored formaldehyde data are transmitted to the remote detection control module after code conversion is carried out on the ADuC834 single chip microcomputer, and the formaldehyde sensor is made of a nano material and is NGTFS10 a.
The data processing unit comprises an RS485 bus and a CC2530 single chip microcomputer, the CC2530 single chip microcomputer is used for coordinating and processing data acquired by the formaldehyde data acquisition unit, the CC2530 single chip microcomputer is connected with the RS485 bus, and the RS485 bus is used for completing cascade connection of the plurality of formaldehyde data acquisition units.
The alarm system comprises a sound alarm and a light alarm for assisting the sound alarm, the sound alarm is connected with the buzzer through a remote detection control module in a wireless mode, and the light alarm is controlled by a port P2-1 of the single chip microcomputer.
The remote detection control module comprises a microprocessor and a clock unit, and the clock unit is connected with the microprocessor.
The microprocessor uses STM32 series single chip microcomputer chip, and the clock circuit uses clock crystal oscillator.
The invention has been described in an illustrative manner, and it is to be understood that the invention is not limited to the specific embodiments described above, but is intended to cover various modifications, which may be made by the methods and technical solutions of the invention, or may be applied to other applications without modification.
Claims (7)
1. The utility model provides an anti-interference formaldehyde detection system of real-time supervision formaldehyde concentration, a serial communication port, including remote detection control module, a plurality of formaldehyde data acquisition unit, data processing unit and alarm system, remote detection control module passes through wireless network's coordinator respectively with formaldehyde data acquisition unit, data processing unit, alarm system connects, remote detection control module is used for accomplishing and the upper and lower level between data, the receipt and the transmission of order, remote detection control module is MAX485 with next stage communication interface, pass through the ESP8266 module with the communication of last level, data processing unit and alarm system all adopt optic fibre conduction light wireless connection with mobile terminal's signal receiver.
2. The system of claim 1, wherein the coordinator of the wireless network is a coordinator of a Zigbee wireless network or a coordinator of a CC 2430-based wireless sensor network.
3. The anti-interference formaldehyde detection system capable of monitoring the formaldehyde concentration in real time according to claim 1, wherein the formaldehyde data acquisition unit comprises an ADuC834 single chip microcomputer and a formaldehyde sensor, the ADuC834 single chip microcomputer is connected with the formaldehyde sensor, the ADuC834 single chip microcomputer is used for completing signal acquisition of the formaldehyde sensor, monitored formaldehyde data are transmitted to the remote detection control module after code conversion is carried out on the ADuC834 single chip microcomputer, and the formaldehyde sensor is a formaldehyde sensor NGTFS10a made of a nano material.
4. The anti-interference formaldehyde detection system capable of monitoring the formaldehyde concentration in real time as claimed in claim 1, wherein the data processing unit comprises an RS485 bus and a CC2530 single chip microcomputer, the CC2530 single chip microcomputer is used for coordinating and processing the data acquired by the formaldehyde data acquisition unit, the CC2530 single chip microcomputer is connected with the RS485 bus, and the RS485 bus is used for completing the cascade connection of the plurality of formaldehyde data acquisition units.
5. The anti-interference formaldehyde detection system capable of monitoring the formaldehyde concentration in real time according to claim 1, wherein the alarm system comprises an audible alarm and a light alarm for assisting the audible alarm, the audible alarm is wirelessly connected with a buzzer through a remote detection control module, and the light alarm is controlled by a port P2-1 of a single chip microcomputer.
6. The anti-interference formaldehyde detection system for monitoring the concentration of formaldehyde in real time according to claim 1, wherein the remote detection control module comprises a microprocessor and a clock unit, and the clock unit is connected with the microprocessor.
7. The formaldehyde detection system capable of resisting interference and monitoring the formaldehyde concentration in real time according to claim 6, wherein the microprocessor uses a single chip microcomputer chip of STC52 series or STM32 series, and the clock circuit uses a clock crystal oscillator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011020775.7A CN112179952A (en) | 2020-09-25 | 2020-09-25 | Anti-interference formaldehyde detection system for monitoring formaldehyde concentration in real time |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011020775.7A CN112179952A (en) | 2020-09-25 | 2020-09-25 | Anti-interference formaldehyde detection system for monitoring formaldehyde concentration in real time |
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| CN112179952A true CN112179952A (en) | 2021-01-05 |
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| CN202011020775.7A Withdrawn CN112179952A (en) | 2020-09-25 | 2020-09-25 | Anti-interference formaldehyde detection system for monitoring formaldehyde concentration in real time |
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Citations (8)
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| US20060234621A1 (en) * | 2005-03-10 | 2006-10-19 | Desrochers Eric M | Multipoint air sampling system having common sensors to provide blended air quality parameter information for monitoring and building control |
| CN201732073U (en) * | 2010-07-26 | 2011-02-02 | 西安科技大学 | Formaldehyde concentration monitor |
| CN106706862A (en) * | 2017-02-23 | 2017-05-24 | 北京工业大学 | In-car pollution gas monitoring device based on GSM (Global System for Mobile Communications) communication technology |
| CN107167561A (en) * | 2017-06-20 | 2017-09-15 | 福建师范大学福清分校 | Intelligent formaldehyde examination system and method based on ZigBee technology |
| CN107561225A (en) * | 2017-10-16 | 2018-01-09 | 湖州慧能机电科技有限公司 | A kind of long-range monitoring alarm of content of formaldehyde |
| CN109211307A (en) * | 2017-07-04 | 2019-01-15 | 中国石油大学(华东) | A kind of domestic environment quality monitoring device based on STM32 single-chip microcontroller |
| CN209263268U (en) * | 2018-11-15 | 2019-08-16 | 徐州工业职业技术学院 | Intelligent air purifier control system |
| CN210923640U (en) * | 2019-11-15 | 2020-07-03 | 漳州职业技术学院 | Portable indoor formaldehyde detection device |
-
2020
- 2020-09-25 CN CN202011020775.7A patent/CN112179952A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060234621A1 (en) * | 2005-03-10 | 2006-10-19 | Desrochers Eric M | Multipoint air sampling system having common sensors to provide blended air quality parameter information for monitoring and building control |
| CN201732073U (en) * | 2010-07-26 | 2011-02-02 | 西安科技大学 | Formaldehyde concentration monitor |
| CN106706862A (en) * | 2017-02-23 | 2017-05-24 | 北京工业大学 | In-car pollution gas monitoring device based on GSM (Global System for Mobile Communications) communication technology |
| CN107167561A (en) * | 2017-06-20 | 2017-09-15 | 福建师范大学福清分校 | Intelligent formaldehyde examination system and method based on ZigBee technology |
| CN109211307A (en) * | 2017-07-04 | 2019-01-15 | 中国石油大学(华东) | A kind of domestic environment quality monitoring device based on STM32 single-chip microcontroller |
| CN107561225A (en) * | 2017-10-16 | 2018-01-09 | 湖州慧能机电科技有限公司 | A kind of long-range monitoring alarm of content of formaldehyde |
| CN209263268U (en) * | 2018-11-15 | 2019-08-16 | 徐州工业职业技术学院 | Intelligent air purifier control system |
| CN210923640U (en) * | 2019-11-15 | 2020-07-03 | 漳州职业技术学院 | Portable indoor formaldehyde detection device |
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