CN103544821A - Zigbee-based farmland temperature and humidity signal acquisition and transmission system - Google Patents
Zigbee-based farmland temperature and humidity signal acquisition and transmission system Download PDFInfo
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- CN103544821A CN103544821A CN201310522813.2A CN201310522813A CN103544821A CN 103544821 A CN103544821 A CN 103544821A CN 201310522813 A CN201310522813 A CN 201310522813A CN 103544821 A CN103544821 A CN 103544821A
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Abstract
The invention discloses a Zigbee-based farmland temperature and humidity signal acquisition and transmission system which is externally connected with a computer. The Zigbee-based farmland temperature and humidity signal acquisition and transmission system comprises a plurality of temperature and humidity acquisition points, a Zigbee network, a temperature and humidity convergence point, a data transfer unit (DTU), a general packet radio service (GPRS) network and an Internet network, wherein each temperature and humidity acquisition point comprises a temperature and humidity sensor and a first Zigbee chip which are connected with each other; the temperature and humidity convergence point comprises a second Zigbee chip and a microprocessor; the microprocessor is connected with the second Zigbee chip and the DTU respectively; the second Zigbee chip and each first Zigbee chip are connected with the Zigbee network respectively; the DTU is wirelessly connected with the GPRS network; the GPRS network, the Internet network and the computer are connected in sequence. The Zigbee-based farmland temperature and humidity signal acquisition and transmission system is used for acquiring and transmitting a farmland temperature and humidity signal on a large scale and has the advantages of simple structure, high accuracy and low cost.
Description
Technical field
The present invention relates to a kind of based on the purple peak of Zigbee() farmland temperature-humidity signal acquiring and transmission system.
Background technology
China is one of country of 20 lacks of water in the world, accounts for per capita only 2250 cubic metres of the water yields, is 1/4th of world average level.Water for economy, safe water, become the pressing issues that China's socio-economic development faces.Agricultural, as national economic lifeline and water rich and influential family, for a long time, due to aspects such as ideology, fund, technology, is continued to use the broad irrigation that tradition falls behind always.The agricultural irrigation mode falling behind, the utilization factor of farmland irrigation water is only 45%.Along with shortage of water resources and the water requirement contradiction between increasing is year by year increasingly sharpened, it is main accurate water adding system technology that farmland drip irrigation is take in development, has become the strategic choice of alleviating China's water scarcity contradiction, guaranteeing grain security.Farmland drip irrigation technology has water saving, joint fertilizer, saving of labor, control humiture, keeps soil texture, improves quality, the advantage such as increase production and improve productivity, and generally by gathering humiture, analyzes, and realizes drip irrigation according to analysis result control solenoid valve.Therefore, how simply, accurately and at low cost realize collection and the transmission of farmland temperature-humidity signal, become the applicant and be devoted to the problem solving.
Summary of the invention
The object of the present invention is to provide a kind of farmland temperature-humidity signal acquiring and transmission system based on Zigbee, utilize ZigBee technology and GPRS(general packet radio service technology) network, realize collection and the transmission of farmland temperature-humidity signal on a large scale, have advantages of simple in structure, accuracy is high and with low cost.
The technical scheme that realizes above-mentioned purpose is:
A kind of farmland temperature-humidity signal acquiring and transmission system based on Zigbee, external computing machine, comprise several humiture collection points, Zigbee network, humiture convergent point, DTU(Data Transfer unit, data transmission unit), GPRS network and Internet network, wherein:
Each humiture collection point includes interconnective Temperature Humidity Sensor and a Zigbee chip, and described Temperature Humidity Sensor gathers the real time humiture of soil, and temperature-humidity signal is passed to a described Zigbee chip;
Described humiture convergent point comprises the 2nd Zigbee chip and microprocessor; Described microprocessor connects respectively described the 2nd Zigbee chip and DTU;
Described the 2nd Zigbee chip is all connected described Zigbee network with each Zigbee chip, and each Zigbee chip is transferred to described the 2nd Zigbee chip by the temperature-humidity signal receiving separately by described Zigbee network respectively;
GPRS network described in described DTU wireless connections, described GPRS network, Internet network are connected successively with computing machine;
Described the 2nd Zigbee chip is passed to described microprocessor by each temperature-humidity signal receiving, and microprocessor is integrated into a packet by each temperature-humidity signal by the regulation of communication protocol, is sent to described DTU;
Described DTU goes out the Packet Generation of reception, is sent to described computing machine successively by described GPRS network and Internet network.
The above-mentioned farmland temperature-humidity signal acquiring and transmission system based on Zigbee, wherein, described humiture convergent point also comprises the display screen that connects described microprocessor.
The above-mentioned farmland temperature-humidity signal acquiring and transmission system based on Zigbee, wherein, described each Zigbee chip connects a solenoid valve.
The invention has the beneficial effects as follows: the present invention is simple in structure, with low cost, by GPRS network and Zigbee near radio sensor network technique, the humiture of Real-time Collection agricultural land soil also transfers to quickly and accurately terminal and processes.Meanwhile, the control signal that the present invention can send terminal effectively transfers to each collection point, is equipped with external electromagnetic valve controling circuit, and solenoid valve is control effectively, and effectively realizes drip irrigation.
Accompanying drawing explanation
Fig. 1 is the structural drawing of the farmland temperature-humidity signal acquiring and transmission system based on Zigbee of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Refer to Fig. 1, the farmland temperature-humidity signal acquiring and transmission system based on Zigbee of the present invention, comprises several humiture collection points 1, Zigbee network 2, humiture convergent point 3, DTU4, GPRS network 5 and Internet network 6, wherein:
Each humiture collection point 1 includes interconnective Temperature Humidity Sensor 11 and a Zigbee chip 12; Each Zigbee chip 12 connects a solenoid valve;
Humiture convergent point 3 comprises the 2nd Zigbee chip 31, microprocessor 32 and display screen 33; Microprocessor 32 connects respectively the 2nd Zigbee chip 31, DTU4 and display screen 33;
The 2nd Zigbee chip 31 is all connected Zigbee network 2 with each Zigbee chip 12;
DTU4 wireless connections GPRS network 5, GPRS network 5, Internet network 6 and computing machine 7 are connected successively.
In the present invention, Temperature Humidity Sensor 11 gathers the real time humiture of agricultural land soil, and temperature-humidity signal is passed to a Zigbee chip 12; Each Zigbee chip 12 is transferred to the 2nd Zigbee chip 31 by the temperature-humidity signal receiving separately by Zigbee network 2 respectively; The 2nd Zigbee chip 31 is passed to microprocessor 32 by each temperature-humidity signal receiving, and when showing on display screen 33, microprocessor 32 is integrated into a packet by each temperature-humidity signal by the regulation of communication protocol, is sent to DTU4; In DTU4, insert a SIM card of having opened GPRS service, by the GPRS network 5 of operator, by data packet transmission to Internet network 6 internets.Computing machine 7 is by equipment access Internet networks 6 such as routers, above-mentioned packet is received, and each temperature-humidity signal is analyzed, according to analysis result, send each control signal, by the reverse Zigbee chip 12 transferring in each humiture collection point 1 of the present invention, be equipped with outside solenoid valve control circuit, respective electrical magnet valve is control effectively, effectively realize drip irrigation.
In the present embodiment, a Zigbee chip 12 and the 2nd Zigbee chip 31 are all selected CC2530 chip; Temperature Humidity Sensor 11 is selected SHT10; DTU4 selects H7100 GPRS DTU.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present invention, should be limited by each claim.
Claims (3)
1. the farmland temperature-humidity signal acquiring and transmission system based on Zigbee, external computing machine, is characterized in that, comprises several humiture collection points, Zigbee network, humiture convergent point, DTU, GPRS network and Internet network, wherein:
Each humiture collection point includes interconnective Temperature Humidity Sensor and a Zigbee chip, and described Temperature Humidity Sensor gathers the real time humiture of soil, and temperature-humidity signal is passed to a described Zigbee chip;
Described humiture convergent point comprises the 2nd Zigbee chip and microprocessor; Described microprocessor connects respectively described the 2nd Zigbee chip and DTU;
Described the 2nd Zigbee chip is all connected described Zigbee network with each Zigbee chip, and each Zigbee chip is transferred to described the 2nd Zigbee chip by the temperature-humidity signal receiving separately by described Zigbee network respectively;
GPRS network described in described DTU wireless connections, described GPRS network, Internet network are connected successively with computing machine;
Described the 2nd Zigbee chip is passed to described microprocessor by each temperature-humidity signal receiving, and microprocessor is integrated into a packet by each temperature-humidity signal by the regulation of communication protocol, is sent to described DTU;
Described DTU goes out the Packet Generation of reception, is sent to described computing machine successively by described GPRS network and Internet network.
2. the farmland temperature-humidity signal acquiring and transmission system based on Zigbee according to claim 1, is characterized in that, described humiture convergent point also comprises the display screen that connects described microprocessor.
3. the farmland temperature-humidity signal acquiring and transmission system based on Zigbee according to claim 1, is characterized in that, described each Zigbee chip connects a solenoid valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310522813.2A CN103544821A (en) | 2013-10-29 | 2013-10-29 | Zigbee-based farmland temperature and humidity signal acquisition and transmission system |
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| CN201310522813.2A CN103544821A (en) | 2013-10-29 | 2013-10-29 | Zigbee-based farmland temperature and humidity signal acquisition and transmission system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105022368A (en) * | 2014-07-07 | 2015-11-04 | 河北联合大学 | Portable farmland environment information acquisition device based on open network platform |
| CN105241495A (en) * | 2015-08-31 | 2016-01-13 | 中国烟草总公司广东省公司 | Tobacco field temperature and humidity signal acquisition system based on Zigbee |
| CN107222571A (en) * | 2017-07-10 | 2017-09-29 | 河北工业大学 | A kind of multi signal multiple terminals remote supervision system |
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| CN103210817A (en) * | 2013-04-26 | 2013-07-24 | 中国矿业大学 | Automatic farmland irrigation system |
| CN103250617A (en) * | 2013-04-07 | 2013-08-21 | 南京理工大学 | Zigbee based water-saving drip irrigation system |
| CN203167738U (en) * | 2013-03-08 | 2013-09-04 | 复旦大学无锡研究院 | Agricultural thing internet wireless monitoring irrigating terminal |
| CN103299882A (en) * | 2013-06-20 | 2013-09-18 | 北方民族大学 | Intelligent water-saving field irrigation system of irrigation district |
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2013
- 2013-10-29 CN CN201310522813.2A patent/CN103544821A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203167738U (en) * | 2013-03-08 | 2013-09-04 | 复旦大学无锡研究院 | Agricultural thing internet wireless monitoring irrigating terminal |
| CN103250617A (en) * | 2013-04-07 | 2013-08-21 | 南京理工大学 | Zigbee based water-saving drip irrigation system |
| CN103210817A (en) * | 2013-04-26 | 2013-07-24 | 中国矿业大学 | Automatic farmland irrigation system |
| CN103299882A (en) * | 2013-06-20 | 2013-09-18 | 北方民族大学 | Intelligent water-saving field irrigation system of irrigation district |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105022368A (en) * | 2014-07-07 | 2015-11-04 | 河北联合大学 | Portable farmland environment information acquisition device based on open network platform |
| CN105022368B (en) * | 2014-07-07 | 2018-12-14 | 华北理工大学 | A kind of portable farmland environment information acquisition device based on open network platform |
| CN105241495A (en) * | 2015-08-31 | 2016-01-13 | 中国烟草总公司广东省公司 | Tobacco field temperature and humidity signal acquisition system based on Zigbee |
| CN107222571A (en) * | 2017-07-10 | 2017-09-29 | 河北工业大学 | A kind of multi signal multiple terminals remote supervision system |
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