CN111289577A - Detachable low-cost oil smoke on-line monitoring equipment - Google Patents
Detachable low-cost oil smoke on-line monitoring equipment Download PDFInfo
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- CN111289577A CN111289577A CN202010203257.2A CN202010203257A CN111289577A CN 111289577 A CN111289577 A CN 111289577A CN 202010203257 A CN202010203257 A CN 202010203257A CN 111289577 A CN111289577 A CN 111289577A
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- 239000000779 smoke Substances 0.000 title claims abstract description 28
- 238000012544 monitoring process Methods 0.000 title claims description 15
- 239000000523 sample Substances 0.000 claims abstract description 36
- 238000012806 monitoring device Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 239000013618 particulate matter Substances 0.000 claims abstract description 9
- 239000002245 particle Substances 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 239000010963 304 stainless steel Substances 0.000 claims description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 3
- 238000003915 air pollution Methods 0.000 claims description 2
- 239000006233 lamp black Substances 0.000 claims 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 9
- 231100000719 pollutant Toxicity 0.000 abstract description 9
- 239000012855 volatile organic compound Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000010411 cooking Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
-
- 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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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a detachable low-cost oil smoke online monitoring device which comprises a probe and a data transmission module. Wherein, the probe includes particulate matter sensor, VOC sensor, temperature and humidity sensor and fan, and data transmission module includes power module, MCU module, 4G module and waterproof casing. The MCU module adopts an STM32 singlechip, and has the main function of acquiring data of oil smoke pollutants; the 4G module is communicated with the MCU module through a serial port, so that serial port data are submitted to a web server in an HTTP mode and stored in a database SQL, and therefore a user can observe changes of oil smoke data in real time through a webpage and can read historical data through the database.
Description
Technical Field
The invention relates to the technical field of remote real-time online monitoring, in particular to detachable low-cost oil smoke online monitoring equipment.
Background
Cooking has proven to be the main source of indoor air pollutants, the most important particulate matter source in the current Chinese households, particularly in the catering industry, and the oil smoke emitted therefrom is mainly concentrated in the fine particulate matter fraction, which has been shown to significantly increase the incidence and mortality of cardiovascular diseases. In addition, cooking fumes contain various volatile organic compounds, including some carcinogenic pollutants, such as formaldehyde, acetaldehyde and benzene, which can cause serious damage to human bodies. In recent years, with the development of economic society, air quality has been receiving increasing attention, and among them, air pollution sensors, which are mainly superior at low cost, have revolutionized air quality monitoring and gradually come into the field of vision. Since 2018 release of the atmospheric pollutant emission standard in the catering industry, more and more monitoring devices are in due charge, but the existing online monitoring devices are still limited to monitoring of single indexes of oil smoke and are difficult to meet the requirements of the monitoring indexes. The problems of high price, short service life, frequent replacement and the like exist, so that the catering industry, particularly the middle and small catering industry which accounts for most of the proportion, is particularly difficult to install.
Therefore, a multi-parameter low-cost online oil smoke monitoring device capable of coping with high-pollution environment for a long time is developed, and on one hand, the manual monitoring cost can be reduced, the manpower is liberated, and the monitoring error is reduced. On the other hand, the whole-cycle coverage of the catering time interval can be realized, and the problems of stealing, omission and the like of restaurants are effectively prevented.
Disclosure of Invention
The invention aims to overcome the defects of the existing monitoring equipment and provides detachable low-cost oil smoke online monitoring equipment.
In order to solve the problems proposed in the background art, the invention adopts the technical scheme that: the invention discloses a detachable low-cost oil smoke online monitoring device which is characterized by comprising a probe and a data transmission module. Wherein, the probe includes particulate matter sensor, VOC sensor, temperature and humidity sensor and fan, and data transmission module includes power module, MCU module, 4G module and waterproof casing. The MCU module adopts an STM32 singlechip, and has the main function of acquiring data of oil smoke pollutants; the 4G module is communicated with the MCU module through a serial port, so that serial port data are submitted to a web server in an HTTP (GET) mode and stored in a database SQL (structured query language), and therefore a user can observe changes of oil smoke data in real time through a webpage and read historical data through the database.
The MCU module adopts an STM32F103C8T6 singlechip, mainly comprises a serial port and an ADC (analog to digital converter), and is correspondingly connected with TXD (transmitter-receiver data) pins, RXD pins and GND pins in a 4G module data port through a TTL (transistor-transistor logic) to RS485 module.
The 4G module selects USR-G780V2, transmits request data sent by the MCU module to a specified HTTP server through an HTTPD mode GET/POST, and then the equipment receives the data from the HTTP server, analyzes the data and sends the result to the MCU module.
The shell of the probe is made of 304 stainless steel, holes are formed in two sides of the shell and used for conducting air flow, the middle lower portion of the shell can be screwed freely to be fixed and detached conveniently, the base can be fixed on an air pipe through a dovetail screw, and the probe is connected with the waterproof shell through an aviation plug.
The VOC sensor in the probe selects Feijura TGS2602, and the pollution degree of air is detected through the change of the conductivity of the sensor. The particle sensor in the probe is a Yicedaceae technique A4-CG laser sensor and is fixed with the probe shell through a clamp spring. The temperature and humidity sensor inside the probe is selected from wonderful Xin TH 10S-B.
A circumferential array of small holes are formed in the inlet of the probe to enable air flow to flow uniformly, and the outlet of the probe is connected with a fan, the model number of which is AD0405 HB-G704010, so that negative pressure is formed to prevent pollutants from being retained.
Advantageous effects
The invention designs a detachable low-cost oil smoke online monitoring device, which realizes the purpose of simultaneously monitoring three indexes (oil smoke particles, oil smoke and non-methane total hydrocarbon) of oil smoke in the catering industry. Long-term deployment shows that the wireless communication equipment based on HTTPD mode work transmits stably and reliably, and can ensure real-time monitoring of oil smoke data. In addition, the device has the advantages of simple structure, small volume, easy installation, low cost of all the sensors, long service life and good application prospect in catering industry and family houses.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present invention;
FIG. 2 is a standard three-view illustration of the probe of the present invention: (a) front view (b) left view (c) top view;
FIG. 3 is a cross-sectional view of a probe of the invention (a) A-A (B) B-B (C) C-C;
fig. 4 is a diagram of the real-time monitoring of the present invention.
Wherein: 1. probe, 2, MCU module, 3, 4G module, 4, power module, 5, waterproof casing, 6, fan, 7, aviation plug, 8, forked tail screw, 9, PVC wire casing, 10, sensor array circuit board, 11, VOC sensor, 12, jump ring, 13, particulate matter sensor, 14, temperature and humidity sensor, 15, data transmission module.
Detailed Description
The following detailed description of specific embodiments of the present invention will be described in detail with reference to the accompanying drawings and examples, which are provided for illustration of the present invention and are not intended to limit the scope of the present invention.
Fig. 1 is a schematic block diagram of the present invention, wherein the inside and outside views of the probe are shown in fig. 2 and fig. 3, and the present invention provides a detachable low-cost online oil smoke monitoring device, which comprises two parts, namely a probe 1 and a data transmission module 15. Wherein, probe 1 includes particulate matter sensor 14, VOC sensor 11, temperature and humidity sensor 14 and fan 6. The data transmission module 15 includes a power module 4, an MCU module 2, a 4G module 3, and a waterproof case 5. The MCU module 2 adopts an STM32 singlechip, has the main function of acquiring data of oil fume pollutants, needs to be loaded with a programmed program when in use, acquires data of three VOC sensors through a three-channel ADC, respectively reads data of two particulate matter sensors and one temperature and humidity sensor by using different serial ports, and finally sends the acquired data to the 4G module 3 through a sending end of the serial port; the 4G module 3 and the MCU module 4 are communicated through a serial port, so that serial port data are submitted to a web server in an HTTP (GET) mode and stored in a database SQL (structured query language), and therefore a user can observe changes of oil smoke data in real time through a webpage and read historical data through the database. The MCU module 4 adopts an STM32F103C8T6 singlechip, mainly comprises a serial port and an ADC (analog to digital converter), and is correspondingly connected with TXD (transmit receive digital) pins, RXD pins and GND pins in a 4G module data port through a TTL (transistor-transistor logic) to RS485 module. The 4G module 3 selects USR-G780V2, transmits request data sent by the MCU module to a specified HTTP server through an HTTPD mode GET/POST, and then the equipment receives the data from the HTTP server, analyzes the data and sends the result to the MCU module. The shell of the probe 1 is made of 304 stainless steel, holes are formed in two sides of the shell and used for conducting air flow, the middle lower portion of the shell can be screwed freely to be fixed and detached conveniently, the base can be fixed on an air pipe through a dovetail screw, and the probe 1 is connected with the waterproof shell 5 through an aviation plug. The VOC sensor 11 in the probe 1 selects Feijura TGS2602, and the pollution degree of air is detected through the change of the conductivity of the sensor. The particle sensor 2 in the probe 1 is a Yicedaceae technique A4-CG laser sensor and is fixed with the shell of the probe 1 through a clamp spring 12. The temperature and humidity sensor in the probe 1 is selected from Miao Xin TH 10S-B. A circumferential array of small holes are formed in the inner inlet of the probe 1 to enable air flow to flow uniformly, and the outlet of the probe is connected with a fan 6 with the model number of AD0405 HB-G704010 to form negative pressure to prevent pollutants from being retained.
The invention will now be illustrated by way of a specific example:
the oil smoke probe is inserted into the front and back of a restaurant oil smoke purifier and is perpendicular to the surface of the air pipe, so that the air inlet is opposite to the incoming flow direction of pollutants, and the position of the air inlet is fixed by sealing cotton and dovetail screws. Through the 5V power supply, during particulate matter sensor, VOC sensor and temperature and humidity sensor will automatically acquire the oil smoke data in the flue and upload to STM32 singlechip, the singlechip will be every appointed sampling time with data through the serial ports send to the 4G module in, this module with data transmission to appointed HTTP server, and receive the data that come from the HTTP server, return the singlechip with the result after to data analysis to realize the transmission and the receipt of data. In this process, the real-time data can be visualized into a web page for observation by the user, and can be stored into the database SQL for extraction by the user. Fig. 4 shows the concentration change of the oil smoke and particulate matters at the inlet and the outlet of the restaurant during a certain cooking period, and it can be seen that when the concentration of the oil smoke at the inlet of the flue is 3.8mg/m3, the concentration of the oil smoke at the outlet is only 0.2mg/m3, which shows that the purifying device can effectively remove the pollutants. Because the filter device is not installed at the inlet of the device, in order to ensure the reliability of long-term test data when the device is actually put into use, the sensors are calibrated every 3 months and are limited by the performance of the sensors, so that a user can replace the particle sensors every half year and replace the VOC and temperature and humidity sensors every one year.
Although the method and the manufacturing technique of the present invention have been described by way of preferred embodiments, it is obvious to those skilled in the art that the method and the technical route described herein can be modified or recombined to realize the final manufacturing technique without departing from the content, spirit and scope of the present invention. It is expressly intended that all such similar substitutes and modifications apparent to those skilled in the art are deemed to be within the spirit, scope and content of the invention.
Claims (6)
1. The utility model provides a detachable low-cost oil smoke on-line monitoring equipment which characterized in that, includes two parts of probe and data transmission module: the probe comprises a particulate matter sensor, a VOC sensor, a temperature and humidity sensor and a fan; the data transmission module comprises a power supply module, an MCU module, a 4G module and a waterproof shell, the MCU module selects an STM32 single chip microcomputer, the 4G module communicates with the MCU module through a serial port, and serial port data are submitted to a web server in an HTTP mode and stored in a database SQL.
2. The detachable low-cost lampblack online monitoring device as claimed in claim 1, wherein an STM32F103C8T6 single chip microcomputer is selected as the MCU module, the configuration of a serial port and an ADC is mainly included, and the MCU module is correspondingly connected with TXD pins, RXD pins and GND pins in a 4G module data port through a TTL to RS485 module.
3. The detachable low-cost lampblack online monitoring device as claimed in claim 1, wherein the 4G module is USR-G780V2, request data sent by the MCU module is transmitted to a designated HTTP server through an HTTP PD mode GET/POST, and then the device receives data from the HTTP server, analyzes the data and sends the result to the MCU module.
4. The detachable low-cost online lampblack monitoring device as claimed in claim 1, wherein a shell of the probe is made of 304 stainless steel, holes are formed in two sides of the shell for conducting airflow, the middle lower portion of the shell is screwed freely, a base is fixed on an air pipe through a dovetail screw, and the probe is connected with a waterproof shell through an aviation plug.
5. The detachable low-cost lampblack online monitoring device as claimed in claims 1 and 4, wherein the probe internal VOC sensor is TGS2602, and the air pollution degree is detected through the change of the sensor conductivity; the particle sensor in the probe is A4-CG and is fixed with the probe shell through a snap spring; the temperature and humidity sensor in the probe is TH 10S-B.
6. A detachable low-cost oil smoke online monitoring device according to claims 1 and 4, wherein a circumferential array of small holes are formed at an inlet of the probe, and a fan is installed at an outlet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010203257.2A CN111289577A (en) | 2020-03-20 | 2020-03-20 | Detachable low-cost oil smoke on-line monitoring equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010203257.2A CN111289577A (en) | 2020-03-20 | 2020-03-20 | Detachable low-cost oil smoke on-line monitoring equipment |
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| CN111289577A true CN111289577A (en) | 2020-06-16 |
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| CN202010203257.2A Pending CN111289577A (en) | 2020-03-20 | 2020-03-20 | Detachable low-cost oil smoke on-line monitoring equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664896A (en) * | 2020-07-04 | 2020-09-15 | 北京耀邦环保技术开发有限公司 | Oil smoke concentration measuring device and method |
| CN112748051A (en) * | 2020-12-23 | 2021-05-04 | 天津智易时代科技发展有限公司 | Negative pressure type oil smoke probe and detection method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005106456A1 (en) * | 2004-04-30 | 2005-11-10 | Zongyan He | A method for in situ detecting the oil smoke concentration and a device thereof |
| CN201811931U (en) * | 2010-08-30 | 2011-04-27 | 广州博控自动化技术有限公司 | Oil smoke data acquisition device |
| CN106708001A (en) * | 2017-03-19 | 2017-05-24 | 南京德宏数码技术有限公司 | Cooking fume online monitor for catering industry |
| CN109611903A (en) * | 2018-12-10 | 2019-04-12 | 严斌 | A kind of composite monitoring device being assemblied on integrated kitchen range |
| CN210089745U (en) * | 2019-06-14 | 2020-02-18 | 江苏傲领科技发展有限公司 | Intelligent oil smoke online monitoring system |
| CN212586285U (en) * | 2020-03-20 | 2021-02-23 | 天津大学 | Detachable low-cost oil smoke on-line monitoring equipment |
-
2020
- 2020-03-20 CN CN202010203257.2A patent/CN111289577A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005106456A1 (en) * | 2004-04-30 | 2005-11-10 | Zongyan He | A method for in situ detecting the oil smoke concentration and a device thereof |
| CN201811931U (en) * | 2010-08-30 | 2011-04-27 | 广州博控自动化技术有限公司 | Oil smoke data acquisition device |
| CN106708001A (en) * | 2017-03-19 | 2017-05-24 | 南京德宏数码技术有限公司 | Cooking fume online monitor for catering industry |
| CN109611903A (en) * | 2018-12-10 | 2019-04-12 | 严斌 | A kind of composite monitoring device being assemblied on integrated kitchen range |
| CN210089745U (en) * | 2019-06-14 | 2020-02-18 | 江苏傲领科技发展有限公司 | Intelligent oil smoke online monitoring system |
| CN212586285U (en) * | 2020-03-20 | 2021-02-23 | 天津大学 | Detachable low-cost oil smoke on-line monitoring equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664896A (en) * | 2020-07-04 | 2020-09-15 | 北京耀邦环保技术开发有限公司 | Oil smoke concentration measuring device and method |
| CN112748051A (en) * | 2020-12-23 | 2021-05-04 | 天津智易时代科技发展有限公司 | Negative pressure type oil smoke probe and detection method thereof |
| CN112748051B (en) * | 2020-12-23 | 2023-06-23 | 天津智易时代科技发展有限公司 | Negative pressure type oil smoke probe and detection method thereof |
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