CN103105411A - Self-calibration sterilizing gas concentration detection equipment based on wireless data transmission technology - Google Patents
Self-calibration sterilizing gas concentration detection equipment based on wireless data transmission technology Download PDFInfo
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- CN103105411A CN103105411A CN 201310030596 CN201310030596A CN103105411A CN 103105411 A CN103105411 A CN 103105411A CN 201310030596 CN201310030596 CN 201310030596 CN 201310030596 A CN201310030596 A CN 201310030596A CN 103105411 A CN103105411 A CN 103105411A
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Abstract
The invention discloses self-calibration sterilizing gas concentration detection equipment based on a wireless data transmission technology. The self-calibration sterilizing gas concentration detection equipment consists of a power control module, a processor, a storage module, an input/output module, a gas pipeline control module, a drying agent module, a gas concentration sensor interface module, an ambient humidity detection module and a data wireless communication module, and is characterized in that influence on normal work of the equipment caused by extreme humidity is avoided; a self-calibration function for sterilizing gas concentration data is realized; and by a ZigBee wireless data transmission module, a requirement on monitoring the data in real time can be met.
Description
Technical field
The present invention relates to a kind of fumigating gas concentration detection device, especially can complete the checkout equipment of environment temperature and humidity (humiture) self calibration and testing result data wireless transmission.
Background technology
At present, fumigating gas concentration detection device commonly used is comprised of gas concentration sensor interface module, processor and memory module, energy supply control module, input/output module, data communication module and gas pipe control module.when carrying out the detection of fumigating gas concentration, energy supply control module provides electric energy for the equipment set normal operation, control the gas pipeline control module by load module environmental gas is sucked gas concentration sensor interface module in checkout equipment, sensor converts gas concentration information to electric signal, through conditioning, transferring to processor and memory module processes, the fumigating gas concentration information is presented at the Detection task of completing the fumigating gas concentration value on output module the most at last, simultaneously data result is kept at memory module, being convenient to other equipment further processes by serial ports or USB mouth.In order to adapt to the detection demand in wider gas concentration variation range, the core components and parts of general fumigating gas concentration detection device often adopt thermal conductivity cell detector, thermal conductance silk resistance value not only can change with the fumigating gas concentration change, and is simultaneously also relevant with gas temperature humidity in airflow pipeline.In commercial Application, owing to being difficult to accurately to control the variation of fumigating gas concentration Test Field ambient temperature and humidity to the impact of fumigating gas concentration detected value, easily cause misjudgment.Meanwhile, patrol and examine process what utilize portable equipment, owing to can't on-the-spot real-time concentration data being sent to administrative center, occur extremely often causing monitoring ineffective, can not make timely and effectively feedback processing.
Summary of the invention
In order to proofread and correct the impact of humiture variation on testing result in existing fumigating gas concentration detection device use procedure, the invention provides a cover based on the self-correcting fumigating gas concentration detection device of wireless data transmission technology.for fear of the impact of humiture extreme case on the equipment normal operation, improve simultaneously the accuracy of detection of mathematical model, at first add replaceable drying agent module on the air-flow intake stack, the integrated advantage of height by conductance cell detector under making technology of MEMS, introduce the high-accuracy temperature-humidity sensor, by setting up the input parameter temperature, the mathematical model of output voltage values on humidity and fumigating gas concentration three and interface circuit, when fumigating gas concentration records and demonstration, push away by the mathematical model interpolation is counter, can eliminate the impact on output voltage values in fumigating gas concentration testing process of two parameters of temperature and humidity in environment, realize that this equipment is for the accurate measurement of fumigating gas actual concentrations value.This self calibration fumigating gas concentration detection device is on traditional serial ports or usb communication module basis, introduce wireless data transfer module, portable equipment and Surveillance center's real-time communication demand had both been satisfied, also effectively solved simultaneously fixed apparatus difficult problem of wiring under some is used, reduced the improvement cost of Site Design running modification, improve the recycling rate of high precision checkout equipment, and then enlarged the practical ranges based on the self calibration fumigating gas concentration detection device of wireless data transmission technology.
Technical solution of the present invention is as follows:
The fumigating gas concentration detection device comprises that energy supply control module, processor and memory module, input/output module, gas pipeline control module, gas concentration sensor interface module and data wire communication module form, and it is characterized in that: this invention fumigating gas concentration detection device has also increased drying agent module, ambient temperature and humidity detection module.
Also comprise the data radio communication module in the fumigating gas concentration detection device.
Above-mentioned drying agent module is arranged in the air-flow intake stack, and described drying agent module is removable.
Above-mentioned Temperature Humidity Sensor is a line high accuracy number sensor processed.
Above-mentioned data radio communication module is Wireless Data Transmission ZigBee communication module.
Above-mentioned Wireless Data Transmission ZigBee communication module is specially ZM2410.
The invention has the beneficial effects as follows, can reduce ambient temperature and humidity to the impact of fumigating gas concentration testing result, improved the precision of testing result, based on the ZigBee wireless data transmission technology, satisfied under complicated field condition the data transmission requirement of fumigating gas concentration detection device and Surveillance center.
Description of drawings
Fig. 1 is workflow diagram of the present invention.
Fig. 2 is core sensor spare schematic diagram of the present invention.
Fig. 3 is wireless transmission device schematic diagram of the present invention.
Embodiment
As shown in Figure 1, the present invention comprises altogether 8 modules, is respectively: 1. energy supply control module, 2. processor and memory module, 3. input/output module, 4. airflow line control module, 5. drying agent module, 6. gas concentration sensor interface module, 7. ambient temperature and humidity detection module and 8. data radio communication module.
Embodiment
Fig. 1 is shown in workflow diagram of the present invention, when preparing to carry out fumigating gas concentration Detection task, need start first 1. that energy supply control module powers on to all modules in equipment, and allows checkout equipment preheating 10 minutes to guarantee the stability of measurement result.2. processor and memory module with equipment state the screen display by 3. input/output module out, after the equipment peheat force time finished, equipment user can be by the 3. input keyboard start detection task of input/output module.
After Detection task starts, 2. processor and memory module send the diaphragm air pump that instruction controls in 4. airflow line control module and start working, make the outer gas of equipment enter the 4. airflow pipeline of airflow line control module, the inside and outside fumigating gas cyclic process of the equipment of realizing.at first, fumigating gas in access arrangement can enter airtight detection space through replaceable 5. drying agent module, fumigating gas concentration in this airtight detection space, three parameters of temperature and humidity can be considered to be homogeneous, comprise 6. gas concentration sensor interface module and 7. ambient temperature and humidity detection module in the space, both measurement results access the 2. microprocessor chip of processor and memory module by pin, the microprocessor chip utilization is from the voltage analog signal of 6. gas concentration sensor interface module output and the humiture digital signal that obtains from 7. ambient temperature and humidity detection module, complete the anti-calculation that pushes according to the mathematical model of having set up, obtain the actual concentration value of fumigating gas in space to be detected, result after calculating is temporary in the storage space of 2. processing and memory module, and be shown on the screen of 3. input/output module, the user can be according to showing data result confirmation save data, also can pass the fumigating gas concentration data back remote outer control data corporation by 8. data radio communication module according to operating process.
Fig. 2 is core sensor spare schematic diagram of the present invention, based on the self calibration fumigating gas concentration detection module of wireless data transmission technology dual power supply+Vdd and-the Vdd power supply under, gas concentration sensor is selected the thermal conductivity cell detector tcs208f based on micro electro mechanical system (MEMS) technology, AD8639 is connected with instrumentation amplifier, work under the constant application circuit of inside and outside temperature difference of sensor operation instruction recommendation, output voltage values is with the concentration value of fumigating gas, temperature and humidity changes and changes, the modulus conversion chip that this voltage analog signal Vwc is fed in processor and memory module after processing with amplification through the filtering of modulate circuit converts digital signal to, the humiture digital signal of obtaining together with AM2302 humiture integrated sensor, received by microprocessor chip, complete the anti-calculation that pushes according to the mathematical model of having set up, obtain the actual concentration value of fumigating gas to be measured.
The explanation of hardware chip type selecting, the thermal conductivity cell detector Tcs208f that selects in the present invention is based on micro electro mechanical system (MEMS) technology, have advantages of low in energy consumption, precision is high, the drift is little, response is fast, volume is little, makes the present invention only just can obtain voltage analog signal Vwc accurately with the miniperipheral circuit.The AM2302 humiture integrated sensor of selecting, temperature sensor and humidity sensor are passed through modularized encapsulation, have advantages of low in energy consumption, precision is high, volume is little, volume is little, proofreaied and correct the impact that components and parts change from the humiture of experiencing, need not to introduce again any peripheral circuit and just can obtain high-accuracy temperature-humidity measuring-signal Vws_data, by a line transmission interface processed, saved sensor side the hardware of processor has been taken.This two core sensor of selecting in the gas concentration sensor interface module has ensured low-power consumption and the miniaturization of this use novel device.
Fig. 3 is wireless transmission device schematic diagram of the present invention, and in the data wireless transport module, the serial data input/output terminal of ZigBee wireless data transceiving chip ZM2410 is connected with the serial data I/O of microprocessor chip.The data wireless transmission code is embedded microprocessor chip, in order to reduce power consumption, can require to judge whether to carry out the transmission of fumigating gas concentration data from ZigBee node to the ZigBee base station according to the standardization flow process of Site Detection, if needed or occur abnormal, again result is uploaded to control data corporation, transfer to Surveillance center's analyzing and processing and carry out corresponding operating, finally completing fumigating gas concentration and detect and logger task.
The present invention also can have other multiple examples; in the situation that do not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make according to the present invention various corresponding changes and distortion, but these all should belong to the protection domain of the appended claim of the present invention.
Claims (6)
1. fumigating gas concentration detection device, comprise that energy supply control module commonly used, processor and memory module, input/output module, gas pipeline control module, gas concentration sensor interface module and data wire communication module form, it is characterized in that: this invention has also increased drying agent module, ambient temperature and humidity detection module.
2. fumigating gas concentration detection device according to claim 1, this equipment also comprises the data radio communication module.
3. fumigating gas concentration detection device according to claim 2, described data radio communication module is Wireless Data Transmission ZigBee communication module.
4. fumigating gas concentration detection device according to claim 3, described Wireless Data Transmission ZigBee communication module is specially ZM2410.
5. the described fumigating gas concentration detection device of any one according to claim 1-4, described drying agent module is arranged in the air-flow intake stack, and described drying agent module is removable.
6. the described fumigating gas concentration detection device of any one according to claim 1-4, described Temperature Humidity Sensor is a line high accuracy number sensor processed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310030596 CN103105411A (en) | 2013-01-28 | 2013-01-28 | Self-calibration sterilizing gas concentration detection equipment based on wireless data transmission technology |
| CN201310486181.9A CN103558339A (en) | 2013-01-28 | 2013-10-17 | Fumigation gas concentration monitoring system based on ZigBee technology |
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| CN 201310030596 CN103105411A (en) | 2013-01-28 | 2013-01-28 | Self-calibration sterilizing gas concentration detection equipment based on wireless data transmission technology |
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| CN103105411A true CN103105411A (en) | 2013-05-15 |
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| CN 201310030596 Pending CN103105411A (en) | 2013-01-28 | 2013-01-28 | Self-calibration sterilizing gas concentration detection equipment based on wireless data transmission technology |
| CN201310486181.9A Pending CN103558339A (en) | 2013-01-28 | 2013-10-17 | Fumigation gas concentration monitoring system based on ZigBee technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103969401A (en) * | 2014-04-25 | 2014-08-06 | 华南理工大学 | Networked intelligent CO sensor |
| CN107064202A (en) * | 2017-06-19 | 2017-08-18 | 重庆中国三峡博物馆 | Real time comprehensive detection fumigating effect equipment |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105469574A (en) * | 2015-12-17 | 2016-04-06 | 长春工业大学 | Wireless data transmission device for molecular sieve purifier based on WBee |
| CN108562701A (en) * | 2018-05-28 | 2018-09-21 | 浩辰弘明（北京）科技有限公司 | A kind of bromomethane density calculating method and detecting system |
| CN111007203B (en) * | 2019-12-12 | 2022-07-05 | 深圳市无眼界科技有限公司 | Function configuration method and system of gas detector |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101714287A (en) * | 2009-11-26 | 2010-05-26 | 杭州电子科技大学 | Air quality monitoring node based on ZigBee wireless technology |
| CN202002920U (en) * | 2010-12-18 | 2011-10-05 | 西安迅腾科技有限责任公司 | Air quality data acquisition instrument with remote parameter configuration function |
| CN102610060B (en) * | 2012-03-20 | 2013-06-26 | 南京波腾科技工程有限公司 | Portable gas alarm system with wireless communication function |
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2013
- 2013-01-28 CN CN 201310030596 patent/CN103105411A/en active Pending
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103969401A (en) * | 2014-04-25 | 2014-08-06 | 华南理工大学 | Networked intelligent CO sensor |
| CN103969401B (en) * | 2014-04-25 | 2015-08-26 | 华南理工大学 | A kind of network-enabled intelligent CO sensor |
| CN107064202A (en) * | 2017-06-19 | 2017-08-18 | 重庆中国三峡博物馆 | Real time comprehensive detection fumigating effect equipment |
| CN107064202B (en) * | 2017-06-19 | 2023-07-18 | 重庆中国三峡博物馆 | Real-time comprehensive detection fumigation effect equipment |
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| CN103558339A (en) | 2014-02-05 |
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Application publication date: 20130515 |