CN103196489A - Grain bin humiture data acquisition system based on WiFi - Google Patents
Grain bin humiture data acquisition system based on WiFi Download PDFInfo
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- CN103196489A CN103196489A CN2013100819403A CN201310081940A CN103196489A CN 103196489 A CN103196489 A CN 103196489A CN 2013100819403 A CN2013100819403 A CN 2013100819403A CN 201310081940 A CN201310081940 A CN 201310081940A CN 103196489 A CN103196489 A CN 103196489A
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Abstract
The invention discloses a grain bin humiture data acquisition system based on the WiFi. The grain bin humiture data acquisition system based on the WiFi comprises a central processing unit, a power source module, a storage, a humidity sensor, a temperature sensor, an oxygen sensor, a carbon dioxide sensor, an RS232/RS485 adaptive interface, a monitoring center communication server, a WiFi signal amplifier and a WiFi wireless router. A telecommunication end of the WiFi wireless router is connected with the monitoring center communication server through the internet, a local signal input end of the WiFi wireless router is wirelessly connected with a remote signal output end of the central processing unit through the WiFi, a local signal output end of the WiFi wireless router is wirelessly connected with a signal input end of the WiFi signal amplifier through the WiFi, and a signal output end of the WiFi signal amplifier is connected with a remote signal input end of the central processing unit. The WiFi is adopted for carrying out data transmission, and the grain bin humiture data acquisition system based on the WiFi has the advantages of being accurate in humiture data transmission in a grain bin, high in transmission speed and low in transmission cost.
Description
Technical field
The present invention relates to a kind of grain depot humiture data acquisition system (DAS), relate in particular to a kind of grain depot humiture data acquisition system (DAS) based on WiFi.
Background technology
The humidity of grain heap and temperature are directly to influence the key factor that grain is preserved quality in the grain depot, so be the important step of management grain depot to the real-time humidity in the grain heap in the grain depot and temperature monitoring.Grain depot humiture data acquisition system (DAS) is exactly the equipment that is exclusively used in the grain depot management, by various sensors and central processing unit and associated components composition data harvester, it gathers interior humidity, temperature, oxygen content and the carbon dioxide content of grain depot grain heap by humidity sensor, temperature sensor, oxygen sensor and carbon dioxide sensor, data collector is transferred to Surveillance center after with real time data acquisition to be understood for the supvr, and the supvr also can send a kind of system equipment of command information to data collection station simultaneously.Existing grain depot humiture data acquisition system (DAS) adopts the CDMA/GPRS wireless communication networks to carry out data transmission between central processing unit and the wireless transport module usually, this communication is compared with the present WiFi wireless communication technique of maturation and is had higher, the slow problem of expense, is unfavorable for the upgrading of grain depot humiture data acquisition system (DAS).In addition, the power module of existing grain depot humiture data acquisition system (DAS) provides power supply by AC power or dry cell, may exist AC power suspend or battery electric quantity exhaust can't operate as normal problem; Moreover, existing grain depot humiture data collector is when carrying out data acquisition, be definition and the relevant grain kind equilibrium humidity/temperature expert database according to grain heap equilibrium humidity/temperature, converse grain heap humidity and the temperature of measured point, because humidity sensor can be worked under situation about being isolated from the outside unlike temperature sensor, thereby when grain is carried out fumigant insect killing, humidity sensor must be taken out, this has not only increased managerial personnel's labor capacity, and make humidity sensor malfunctioning because of corrosion easily, thereby make grain depot humiture data acquisition unit cisco unity malfunction.
Summary of the invention
Purpose of the present invention provides a kind of data transmission accurate, fireballing grain depot humiture data acquisition system (DAS) based on WiFi with regard to being in order to address the above problem.
The present invention is achieved through the following technical solutions above-mentioned purpose:
Grain depot humiture data acquisition system (DAS) based on WiFi of the present invention comprises central processing unit, power module, storer, humidity sensor, temperature sensor, oxygen sensor, carbon dioxide sensor, the RS232/RS485 adaptive interface, monitoring center's communication server, WiFi signal amplifier and WiFi wireless router, be connected by the internet between the telecommunication end of described WiFi wireless router and the described monitoring center communication server, pass through the WiFi wireless connections between the local signal input end of described WiFi wireless router and the remote signal output terminal of described central processing unit, by the WiFi wireless connections, the signal output part of described WiFi signal amplifier is connected with the remote signal input end of described central processing unit between the local signal output terminal of described WiFi wireless router and the signal input part of described WiFi signal amplifier.
The common composition data harvester of central processing unit, power module, storer, humidity sensor, temperature sensor, oxygen sensor, carbon dioxide sensor, RS232/RS485 adaptive interface, WiFi signal amplifier and WiFi wireless router, the WiFi wireless router as the communication apparatus between data collector and the monitoring center's communication server, is realized the WiFi data transmission; Utilize the WiFi signal amplifier that the WiFi signal that receives is amplified, the signal transmission is more accurate like this.
Further, described power module comprises solar cell.With the standby power supply of solar cell as power module, be in full state substantially at any time, can guarantee stably to provide power supply.
As preferably, described humidity sensor, described oxygen sensor and described carbon dioxide sensor all place in the sampler chamber, described sampler chamber interlinks by air valve and is connected to the mutually different gas sample tube of a plurality of length, described temperature sensor is a plurality of, be arranged at the outer ends of described gas sample tube respectively, a plurality of gas sample tubes all are arranged in the outer tube that is installed on the described sampler chamber, on the escape pipe of described sampler chamber aspiration pump are installed.After setting up independently sampler chamber, humidity sensor, oxygen sensor and carbon dioxide sensor in the sampler chamber all place in the sampler chamber for a long time, do not need to take out when grain is carried out fumigant insect killing.
Beneficial effect of the present invention is:
The present invention carries out data transmission by adopting transmission quality height, wide coverage, WiFi network that expense is low, has the advantage that grain depot humiture data transmission is accurate, speed is fast, operating cost is low, and is conducive to the upgrading of grain depot humiture data acquisition system (DAS); By increasing solar cell for supplying power, can guarantee at data acquisition unit stable power-supplying under any circumstance; By setting up independently sampler chamber, humidity sensor, oxygen sensor and carbon dioxide sensor all place in the sampler chamber for a long time, do not need when grain is carried out fumigant insect killing, to take out, both reduced managerial personnel's labor capacity, can not make humidity sensor malfunctioning because of corrosion again.
Description of drawings
Fig. 1 is the circuit block diagram of the grain depot humiture data acquisition system (DAS) based on WiFi of the present invention;
Fig. 2 is the structural representation of data collector of the present invention;
Fig. 3 is the main TV structure synoptic diagram of outer tube of the present invention.
Embodiment
The invention will be further described below in conjunction with accompanying drawing:
As shown in Figure 1, grain depot humiture data acquisition system (DAS) based on WiFi of the present invention comprises central processing unit, power module, storer, humidity sensor, temperature sensor, oxygen sensor, carbon dioxide sensor, the RS232/RS485 adaptive interface, monitoring center's communication server, WiFi signal amplifier and WiFi wireless router, wherein, power module comprises solar cell, the signal output part of humidity sensor, the signal output part of temperature sensor, the signal output part of oxygen sensor and the signal output part of carbon dioxide sensor respectively with corresponding connection of detection signal input end of central processing unit, be connected by the internet between the telecommunication end of WiFi wireless router and the monitoring center communication server, pass through the WiFi wireless connections between the local signal input end of WiFi wireless router and the remote signal output terminal of central processing unit, by the WiFi wireless connections, the signal output part of WiFi signal amplifier is connected with the remote signal input end of central processing unit between the local signal output terminal of WiFi wireless router and the signal input part of WiFi signal amplifier.
As shown in Figure 1, the common composition data harvester of central processing unit, power module, storer, humidity sensor, temperature sensor, oxygen sensor, carbon dioxide sensor, RS232/RS485 adaptive interface, WiFi signal amplifier and WiFi wireless router.As shown in Figures 2 and 3, humidity sensor 2, oxygen sensor 3 and carbon dioxide sensor 4 all place in the sampler chamber 5, sampler chamber 5 interlinks by air valve and is connected to three mutually different gas sample tubes of length, first air valve 6 has been shown among Fig. 2, second air valve 7, the 3rd air valve 8, first gas sample tube 10, second gas sample tube 9 and the 3rd stopple coupon 13, temperature sensor is three, first temperature sensor 12 has been shown among Fig. 2, second temperature sensor 11 and the three-temperature sensor 14, be arranged at first gas sample tube 10 respectively, the outer ends of second gas sample tube 9 and the 3rd stopple coupon 13, first gas sample tube 10, second gas sample tube 9 and the 3rd stopple coupon 13 all are arranged in the outer tube 15 that is installed on the sampler chamber 5, the tube wall of outer tube 15 is provided with air inlet micropore 16, and aspiration pump 1 is installed on the escape pipe of sampler chamber 5.After setting up independently sampler chamber 5, humidity sensor 2, oxygen sensor 3 and carbon dioxide sensors 4 in the sampler chamber 5 all place in the sampler chamber 5 for a long time, do not need to take out when grain is carried out fumigant insect killing.
Claims (3)
1. grain depot humiture data acquisition system (DAS) based on WiFi, comprise central processing unit, power module, storer, humidity sensor, temperature sensor, oxygen sensor, carbon dioxide sensor, RS232/RS485 adaptive interface and monitoring center's communication server, it is characterized in that: also comprise WiFi signal amplifier and WiFi wireless router, be connected by the internet between the telecommunication end of described WiFi wireless router and the described monitoring center communication server, pass through the WiFi wireless connections between the local signal input end of described WiFi wireless router and the remote signal output terminal of described central processing unit, by the WiFi wireless connections, the signal output part of described WiFi signal amplifier is connected with the remote signal input end of described central processing unit between the local signal output terminal of described WiFi wireless router and the signal input part of described WiFi signal amplifier.
2. the grain depot humiture data acquisition system (DAS) based on WiFi according to claim 1, it is characterized in that: described power module comprises solar cell.
3. the grain depot humiture data acquisition system (DAS) based on WiFi according to claim 1, it is characterized in that: described humidity sensor, described oxygen sensor and described carbon dioxide sensor all place in the sampler chamber, described sampler chamber interlinks by air valve and is connected to the mutually different gas sample tube of a plurality of length, described temperature sensor is a plurality of, be arranged at the outer ends of described gas sample tube respectively, a plurality of gas sample tubes all are arranged in the outer tube that is installed on the described sampler chamber, on the escape pipe of described sampler chamber aspiration pump are installed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013100819403A CN103196489A (en) | 2013-03-15 | 2013-03-15 | Grain bin humiture data acquisition system based on WiFi |
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| CN2013100819403A CN103196489A (en) | 2013-03-15 | 2013-03-15 | Grain bin humiture data acquisition system based on WiFi |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103426284A (en) * | 2013-08-08 | 2013-12-04 | 北京中科希望软件股份有限公司 | Temperature and humidity acquisition device based on wifi communication technology |
| CN105241493A (en) * | 2014-06-11 | 2016-01-13 | 北京长城金点物联网科技有限公司 | Data processing apparatus and system |
| CN106547239A (en) * | 2016-11-02 | 2017-03-29 | 天津福威科技发展有限公司 | A kind of intelligent monitor system for silo |
| CN108263768A (en) * | 2018-01-19 | 2018-07-10 | 福建小薇金匙科技孵化有限公司 | A kind of fresh-keeping intelligent storehouse of paddy multifunctional stereo suitable for rice processing |
| CN113311757A (en) * | 2021-05-27 | 2021-08-27 | 武汉绿运寰机电自动化工程有限公司 | Industrial instrument automatic control system |
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| CN2804843Y (en) * | 2005-06-03 | 2006-08-09 | 陈西雷 | Comprehensive data sampler for grain bulk |
| US20060267792A1 (en) * | 2005-05-27 | 2006-11-30 | Rosemount Inc. | Method of selecting data communication provider in a field device |
| CN201829037U (en) * | 2010-07-14 | 2011-05-11 | 北京宏扬迅腾科技发展有限公司 | Wireless grain condition monitoring and controlling system |
| CN102915018A (en) * | 2012-11-01 | 2013-02-06 | 山东大学 | Distributed environment monitoring system based on WIFI |
| CN203163774U (en) * | 2013-03-15 | 2013-08-28 | 成都中远信电子科技有限公司 | WiFi-based granary temperature and humidity data acquisition system |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20060267792A1 (en) * | 2005-05-27 | 2006-11-30 | Rosemount Inc. | Method of selecting data communication provider in a field device |
| CN2804843Y (en) * | 2005-06-03 | 2006-08-09 | 陈西雷 | Comprehensive data sampler for grain bulk |
| CN201829037U (en) * | 2010-07-14 | 2011-05-11 | 北京宏扬迅腾科技发展有限公司 | Wireless grain condition monitoring and controlling system |
| CN102915018A (en) * | 2012-11-01 | 2013-02-06 | 山东大学 | Distributed environment monitoring system based on WIFI |
| CN203163774U (en) * | 2013-03-15 | 2013-08-28 | 成都中远信电子科技有限公司 | WiFi-based granary temperature and humidity data acquisition system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103426284A (en) * | 2013-08-08 | 2013-12-04 | 北京中科希望软件股份有限公司 | Temperature and humidity acquisition device based on wifi communication technology |
| CN105241493A (en) * | 2014-06-11 | 2016-01-13 | 北京长城金点物联网科技有限公司 | Data processing apparatus and system |
| CN106547239A (en) * | 2016-11-02 | 2017-03-29 | 天津福威科技发展有限公司 | A kind of intelligent monitor system for silo |
| CN108263768A (en) * | 2018-01-19 | 2018-07-10 | 福建小薇金匙科技孵化有限公司 | A kind of fresh-keeping intelligent storehouse of paddy multifunctional stereo suitable for rice processing |
| CN113311757A (en) * | 2021-05-27 | 2021-08-27 | 武汉绿运寰机电自动化工程有限公司 | Industrial instrument automatic control system |
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Application publication date: 20130710 |