CN104330175A - Real-time community environment temperature monitoring system - Google Patents
Real-time community environment temperature monitoring system Download PDFInfo
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- CN104330175A CN104330175A CN201410563345.8A CN201410563345A CN104330175A CN 104330175 A CN104330175 A CN 104330175A CN 201410563345 A CN201410563345 A CN 201410563345A CN 104330175 A CN104330175 A CN 104330175A
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Abstract
The invention discloses a real-time community environment temperature monitoring system, which comprises a sink node, a monitoring center and a multi-sensor network formed by multiple sensor nodes. The sensor node comprises two groups of temperature measuring modules for carrying out alternative and unbroken measurement and a micro control module used for controlling the temperature measuring modules for alternative and unbroken measurement. Each temperature measuring module comprises a temperature sensor and a heating module used for heating the temperature sensor. The temperature measuring modules transmit temperature measured by the temperature sensors to the sink node, the sink node gathers environment parameter information and the information is uploaded to the monitoring center via a relay router. According to the real-time community environment temperature monitoring system, the size is small, the coverage area is wide, error limitation as liquid water or solid water is attached to the surface of the sensor can be effectively overcome through carrying out heating and drying treatment on the temperature sensors, and the measurement precision is improved.
Description
Technical field
The present invention relates to a kind of temperature measurement system, particularly relate to a kind of community environment real-time temperature test sytem, belong to environmental monitoring field.
Background technology
Temperature is a very important environmental parameter, life and the environment temperature of people are closely bound up, real-time measures ambient temperature is needed in industrial processes, also temperature survey is be unable to do without in agricultural production, at present, in the weather environment such as weather station and radiosonde field of detecting, conventional temperature sensor many employings platinum resistance or thermistor carry out temperature survey.Because ice, snow, raindrop, water dust, dew etc. are liquid or solid water may stick to sensor surface, the evaporation endothermic that water dust, raindrop and dew drip, the thawing of ice and snow and distillation all may cause measuring tempeature lower than the actual temperature of atmospheric environment, what water dust, raindrop and dew dripped freeze, and release latent heat may cause measures ambient temperature higher than environment temperature, causes certain measuring error.
At present, environment temperature precise monitoring with management for improving environmental Kuznets Curves precision, economize energy and promoting to produce important effect.Current China environmental monitoring system is deficient, even if having, often adopt some bioassay methods, wiring detects the serious waste energy, often all uneven and different by the parameters of diverse location, so need the temperature value gathering multiple difference to carry out Comprehensive Evaluation, current most of temperature monitoring systems all can not cover whole community effectively, are difficult to the unitarity realizing parameters.
Such as application number is a kind of weather monitoring system of " 201210051929.8 ", comprises multiple weather station, and the plurality of weather station is distributed in different geographic areas, and each weather station comprises: processor module; Power-supply controller of electric, for this weather station provides power supply; Sensor assembly, detects the Weather information of geographic area residing for this weather station in real time and is transferred to processor module; Transmitter module, is transferred to other weather stations by the Weather information that this weather station detects; Receiver module, accepts the Weather information that transmits other weather stations and sends it to processor module; And display apparatus module, be connected with this processor module the Weather information showing geographic area residing for each weather station as required.This invention additionally provides a kind of road lamp system applying above-mentioned weather monitoring system.Although this weather station can detect Weather information, can not overcome because aqueous water or solid water stick to sensor surface and produce the limitation of error.
And for example application number is a kind of temperature monitoring system of " 201210480476.0 ", belong to a kind of temperature monitoring system, be applicable to carry out selectable temperature monitoring to multiple spot object under test, comprise client, more than one and one device for detecting temperature, system bus and master controller, each device device is connected with the communication interface be arranged on master controller by system bus.Compared with prior art have the following advantages: this structure is simple, be convenient to install cheap while also to possess measuring accuracy high, long service life, the highly sensitive feature realizing digital communication.This system can Real-time Collection, computing, the multiple temperature data information of transmission, simultaneously this device reliability and stability high, temperature when can run unit, machine provides safe and reliable Real-Time Monitoring, can be widely applied in power industry, petroleum and petrochemical industry, steel industry, metallurgy industry and machinery industry.Although this invention can detect with middle temperature information, need further to be optimized in accuracy of detection, and can not overcome because aqueous water or solid water stick to sensor surface and produce the limitation of error.
For another example application number is a kind of monitoring-temperature alarm system of " 201310712423.1 ", comprise some temperature measurement modules being used for measuring tempeature, manage and accept the telegon of the data that described temperature measurement module measures, be connected with described telegon and process the processing module of the temperature data that described telegon sends over, the gsm module be connected with described processing module and carry out the mobile terminal that communicates with described gsm module, described temperature measurement module has temperature sensor and is connected with described temperature sensor and carries out with described telegon the wireless communication module that communicates.Compared to prior art, although this invention monitoring-temperature alarm system can find temperature anomaly and notification operator in time, thus operator can be found in time, and also treatment temperature is abnormal.But need further to be optimized in accuracy of detection, and can not overcome because aqueous water or solid water stick to sensor surface and produce the limitation of error.
Summary of the invention
Technical matters to be solved by this invention provides a kind of community environment's real-time temperature test sytem based on wireless sensor network for the deficiency of background technology, its structure is simple and can overcome because aqueous water or solid water stick to sensor surface and produce the limitation of error, improves measuring accuracy.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
A kind of community environment real-time temperature test sytem, the multiple wireless sensor networks comprising aggregation node, Surveillance center and be made up of multiple sensor node, described sensor node comprises two groups for the temperature measurement module of alternately free of discontinuities measurement and the micro-control module replacing free of discontinuities measurement for controlling temperature measurement module, and described temperature measurement module comprises a temperature sensor and the heating module for heating temperature sensor; When an employing sensor measures temperature, second sensor is carried out to heating, drying and be cooled to environment temperature, and then when employing second sensor measures temperature, first sensor is carried out to heating, drying and be cooled to environment temperature, so alternately measured by two sensors and obtain accurate temperature, temperature sensor measurement temperature is transferred to aggregation node by described temperature measurement module, and ambient parameter information gathers and is uploaded to Surveillance center by transistroute by described aggregation node.
Preferably, described sensor node also comprises a communication unit and a power supply unit; Described temperature measurement module connects micro-control unit, and described micro-control unit connects communication unit, and described power supply unit provides required power supply for sensor node.
Preferably, wireless connections are passed through between described sensor node.
Preferably, described heating module is the accurate heating resistor of Low Drift Temperature.
Preferably, described micro-control module is AVR single chip.
Preferably, described power supply unit is chargeable lithium cell.
The present invention adopts above technical scheme compared with prior art, has following technique effect:
1, volume of the present invention little, broad covered area, functional diversities, convenient stable, is easy to operation, is convenient to management, can monitoring of environmental temperature parameter effectively;
2, by carrying out heating, drying process to temperature sensor, effectively overcoming because aqueous water or solid water stick to sensor surface and produce the limitation of error, improve measuring accuracy;
3, alternately complete oven dry, cooling and surveying work by two sensors, realize free of discontinuities and measure, effectively improve and measure efficiency.
Accompanying drawing explanation
Fig. 1 is present system structural drawing;
Fig. 2 is sensor node structure principle chart of the present invention.
Number in the figure is specific as follows: 1-sensor node, 2-wireless sensor network.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
As shown in Figure 1, the present invention relates to a kind of community environment real-time temperature test sytem, the multiple wireless sensor networks comprising aggregation node, Surveillance center and be made up of multiple sensor node, described sensor node comprises two groups for the temperature measurement module of alternately free of discontinuities measurement and the micro-control module replacing free of discontinuities measurement for controlling temperature measurement module, and described temperature measurement module comprises a temperature sensor and the heating module for heating temperature sensor; When an employing sensor measures temperature, second sensor is carried out to heating, drying and be cooled to environment temperature, and then when employing second sensor measures temperature, first sensor is carried out to heating, drying and be cooled to environment temperature, so alternately measured by two sensors and obtain accurate temperature, temperature sensor measurement temperature is transferred to aggregation node by described temperature measurement module, and ambient parameter information gathers and is uploaded to Surveillance center by transistroute by described aggregation node.
Wherein, described sensor node also comprises a communication unit and a power supply unit; Described temperature measurement module connects micro-control unit, described micro-control unit connects communication unit, described power supply unit provides required power supply for sensor node, wireless connections are passed through between described sensor node, described heating module is the accurate heating resistor of Low Drift Temperature, described micro-control module is AVR single chip, described power supply unit is chargeable lithium cell, a temperature sensor is connected with a heating resistor, metering circuit mainly comprises an analog to digital converter, and this analog to digital converter is connected with microcontroller.Whole temperature measurement module is primarily of two temperature sensors, two heating resistors, two control circuit based on metal-oxide-semiconductor, resistance measuring circuit and microcontroller compositions.
During measurement, two groups of temperature measurement modules hocket heating, drying, naturally cooling and thermometric.During a sensor measurement environment temperature, second sensor enters conducting state control heating resistor by control metal-oxide-semiconductor and carries out heating, drying to temperature sensor, and the length of heat time is T1.After heating terminates, metal-oxide-semiconductor is conducting no longer, and first sensor is dispelled the heat by cross-ventilation, and temperature progressively levels off to environment temperature, and the length of this period of cool time is T2.After sensor has cooled, second sensor carries out thermometric, and the time of thermometric is T1+T2.When second sensor starts to carry out thermometric, first sensor starts heating, drying.In this way, two sensors can replace and back and forth realize free of discontinuities and measure, and the impact that the natural weathers such as sleet bring to temperature sensor can be got rid of, temperature sensor measurement temperature is transferred to aggregation node by described temperature measurement module, ambient parameter information gathers and is uploaded to Surveillance center by transistroute by described aggregation node, and then obtains accurately temperature information.
During work, first temperature sensor is utilized to carry out data acquisition to community temperature, because the change weather environment along with season changes, sleet can be there is, morning dew etc. stick to measuring accuracy temperature sensor affecting temperature sensor, based on this, we adopt and organize temperature measurement module more, by heating resistor, temperature sensor is heated, cooling, now testing circuit detects in real time to the state of temperature sensor at any time, remove extraneous physical environment as the impact of sleet covering on sensor, the temperature information of collection is converged to aggregation node and carries out information aggregation process by multiple sensor node, wirelessly Detection Information is transferred to Surveillance center simultaneously, staff follows the exact value according to temperature, further arrangement community work.Volume of the present invention is little, broad covered area, functional diversities, convenient stable, be easy to operation, be convenient to management, can monitoring of environmental temperature parameter effectively; By carrying out heating, drying process to temperature sensor, effectively overcoming because aqueous water or solid water stick to sensor surface and produce the limitation of error, improve measuring accuracy; Alternately complete oven dry, cooling and surveying work by two sensors, realize free of discontinuities and measure, effectively improve and measure efficiency.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And these belong to connotation of the present invention the apparent change of extending out or variation still belong to protection scope of the present invention.
Claims (6)
1. community environment's real-time temperature test sytem, the multiple wireless sensor networks comprising aggregation node, Surveillance center and be made up of multiple sensor node, it is characterized in that: described sensor node comprises two groups for the temperature measurement module of alternately free of discontinuities measurement and the micro-control module replacing free of discontinuities measurement for controlling temperature measurement module, and described temperature measurement module comprises a temperature sensor and the heating module for heating temperature sensor; When an employing sensor measures temperature, second sensor is carried out to heating, drying and be cooled to environment temperature, and then when employing second sensor measures temperature, first sensor is carried out to heating, drying and be cooled to environment temperature, so alternately measured by two sensors and obtain accurate temperature, temperature sensor measurement temperature is transferred to aggregation node by described temperature measurement module, and ambient parameter information gathers and is uploaded to Surveillance center by transistroute by described aggregation node.
2. community environment's real-time temperature test sytem according to claim 1, is characterized in that: described sensor node also comprises a communication unit and a power supply unit; Described temperature measurement module connects micro-control unit, and described micro-control unit connects communication unit, and described power supply unit provides required power supply for sensor node.
3. community environment's real-time temperature test sytem according to claim 1, is characterized in that: pass through wireless connections between described sensor node.
4. community environment's real-time temperature test sytem according to claim 1, is characterized in that: described heating module is the accurate heating resistor of Low Drift Temperature.
5. community environment's real-time temperature test sytem according to claim 1, is characterized in that: described micro-control module is AVR single chip.
6. community environment's real-time temperature test sytem according to claim 1, is characterized in that: described power supply unit is chargeable lithium cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410563345.8A CN104330175A (en) | 2014-10-21 | 2014-10-21 | Real-time community environment temperature monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410563345.8A CN104330175A (en) | 2014-10-21 | 2014-10-21 | Real-time community environment temperature monitoring system |
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| CN104330175A true CN104330175A (en) | 2015-02-04 |
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| CN201410563345.8A Withdrawn CN104330175A (en) | 2014-10-21 | 2014-10-21 | Real-time community environment temperature monitoring system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104820110A (en) * | 2015-04-30 | 2015-08-05 | 无锡市崇安区科技创业服务中心 | Wind velocity monitoring system based on wireless sensor network |
| CN105241504A (en) * | 2015-10-16 | 2016-01-13 | 苏州经贸职业技术学院 | Distributed indoor environment quality detection system |
| CN113202481A (en) * | 2021-05-10 | 2021-08-03 | 中铁第四勘察设计院集团有限公司 | Method and device for acquiring geological information, electronic equipment and storage medium |
| CN115751933A (en) * | 2022-11-23 | 2023-03-07 | 箭牌家居集团股份有限公司 | Drying control device and method and drying rack |
-
2014
- 2014-10-21 CN CN201410563345.8A patent/CN104330175A/en not_active Withdrawn
Non-Patent Citations (1)
| Title |
|---|
| 刘清惓等: "双加热湿度传感器的CFD分析与加热策略设计", 《传感技术学报》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104820110A (en) * | 2015-04-30 | 2015-08-05 | 无锡市崇安区科技创业服务中心 | Wind velocity monitoring system based on wireless sensor network |
| CN105241504A (en) * | 2015-10-16 | 2016-01-13 | 苏州经贸职业技术学院 | Distributed indoor environment quality detection system |
| CN113202481A (en) * | 2021-05-10 | 2021-08-03 | 中铁第四勘察设计院集团有限公司 | Method and device for acquiring geological information, electronic equipment and storage medium |
| CN115751933A (en) * | 2022-11-23 | 2023-03-07 | 箭牌家居集团股份有限公司 | Drying control device and method and drying rack |
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Application publication date: 20150204 |