CN203964949U - A kind of long-range soil water potential temperature measurement system - Google Patents
A kind of long-range soil water potential temperature measurement system Download PDFInfo
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- CN203964949U CN203964949U CN201420112823.9U CN201420112823U CN203964949U CN 203964949 U CN203964949 U CN 203964949U CN 201420112823 U CN201420112823 U CN 201420112823U CN 203964949 U CN203964949 U CN 203964949U
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- water potential
- soil water
- acquisition device
- potential temperature
- data acquisition
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Abstract
The utility model provides a kind of long-range soil water potential temperature measurement system, comprise: multiple soil water potential temperature sensors, bus data acquisition device, server and user, each described soil temperature sensor is all connected on described bus data acquisition device, described bus data acquisition device receives the soil water potential temperature information of soil water potential temperature sensor measurement and is sent to server by network, between user and server, is carried out exchanges data and is received soil water potential temperature information by Email.The beneficial effects of the utility model are that surveying instrument volume is small and exquisite, are easy to carry, and can measure the flow of water and temperature simultaneously; Can realize Remote Acquisitioning measurement data based on GPRS, application Email carries out exchanges data very simply, conveniently, need not apply for fixing IP, does not spend application dynamic territory analyzing, as long as fill in email address, gets final product Remote Acquisitioning data and revises configuration parameter.
Description
Technical field:
The utility model relates to a kind of soil surveying system, particularly a kind of long-range soil water potential temperature measurement system.
Background technology
Soil is the matrix of terrestrial plant life, is that root system and the soil of very important ecological factor, plant in the ecosystem has great surface of contact, is carrying out mass exchange frequently between plants and soil.Therefore just can affect growth and the output of plant by controlling edphic factor.No matter being to be engaged in ecological study, being still engaged in agriculture and studying particularly precision agriculture research, is very important to the long-term measurement of edphic factor.
Traditional measuring method is mainly manually to carry instrument to in-site measurement, and trouble is installed, and need to expend a large amount of manpowers, and efficiency is low, and the data of obtaining are also inaccurate because of the impact of soda acid and salinity, even under freezing condition, cannot measure.The place remote for geographic position and condition is arduous, the cost that obtains data is very high, is difficult to realize long-term stability and monitors easily, therefore in the urgent need to on-line monitoring for a long time and soil monitoring system that can long distance wireless transmission data.
Utility model content
In order effectively to address the above problem, the utility model object is to provide a kind of long-range soil water potential temperature measurement system.
The utility model provides a kind of long-range soil water potential temperature measurement system, comprising:
Multiple soil water potential temperature sensors, are arranged in the soil that needs to measure for measuring soil water potential temperature information; Described soil water potential temperature sensor comprises sensing head and processor, between sensing head and processor, be connected by signal transmssion line, described processor comprises temperature measuring circuit, single-chip microcomputer, digital output circuit, power supply stabilization circuit, described power supply stabilization circuit is connected with temperature measuring circuit, single-chip microcomputer, digital output circuit respectively, and described temperature measuring circuit is connected with single-chip microcomputer with digital output circuit;
Bus data acquisition device, each described soil temperature sensor is all connected on described bus data acquisition device, and described bus data acquisition device receives the soil water potential temperature information of soil water potential temperature sensor measurement and is sent to server by network;
Server, receives the soil water potential temperature information that described bus data acquisition device sends;
User, is carried out exchanges data and is received soil water potential temperature information by Email between user and server;
Described bus data acquisition device is provided with embedded GPRS module;
Described network comprises GPRS network and INTERNET network, and described GPRS module is sent to server by GPRS network, INTERNET network by soil water potential temperature information successively;
Further, between described soil water potential temperature sensor and bus data acquisition device, carry out the output of signal and obtain by SDI-12 standard agreement;
Further, described measuring system also comprises power module, and its supply voltage is 12V, and described power module is connected on bus data acquisition device;
Further, the memory capacity of described bus data acquisition device is 2MB;
Further, the temperature measurement range of described measuring system Wei ?60～+ 80 DEG C.
The beneficial effects of the utility model are that surveying instrument volume is small and exquisite, are easy to carry, and can measure the flow of water and temperature simultaneously; Can realize Remote Acquisitioning measurement data based on GPRS, application Email carries out exchanges data very simply, conveniently, need not apply for fixing IP, does not spend application dynamic territory analyzing, as long as fill in email address, gets final product Remote Acquisitioning data and revises configuration parameter.
Brief description of the drawings
Fig. 1 is system architecture schematic diagram of the present utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is explained in further detail.Should be appreciated that specific embodiment described herein is only for explaining the utility model, and be not used in restriction the utility model.
On the contrary, the utility model contain any defined by claim in marrow of the present utility model and scope, make substitute, amendment, equivalent method and scheme.Further, for the public is had a better understanding to the utility model, in below details of the present utility model being described, detailed some specific detail sections of having described.Do not have for a person skilled in the art the description of these detail sections can understand the utility model completely yet.Below in conjunction with accompanying drawing and embodiment, the utility model is further illustrated.
Referring to Fig. 1, a kind of long-range soil water potential temperature measurement system comprises multiple soil water potential temperature sensors, bus data acquisition device, power module, GPRS network, INTERNET network, server and user, and wherein bus data acquisition device is provided with embedded GPRS module, described power module is connected with bus data acquisition device by cable respectively with soil water potential temperature sensor, soil water potential temperature sensor measurement also produces soil water potential temperature signal, soil water potential temperature signal is sent to bus data acquisition device, bus data acquisition device is applied embedded GPRS assembly soil water potential temperature signal is passed through to GPRS network successively, INTERNET network is sent to server, described GPRS network connects INTERNET network by IP agreement, server and user carry out swap data by Email, soil water potential temperature information is sent to user by server.Adopt Email mode to send to user, very convenient, be different from other remote data transmission technology, apply user of the present utility model and do not spend the fixing IP of application, do not spend application dynamic territory analyzing, as long as fill in email address, can Remote Acquisitioning data and amendment configuration parameter.
Described soil water potential temperature sensor comprises sensing head and processor, signal transmssion line by PCB between sensing head and processor is connected, sensing head is thermistor temperature sensor, processor comprises temperature measuring circuit, single-chip microcomputer, digital output circuit, power supply stabilization circuit, described power supply stabilization circuit respectively with temperature measuring circuit, single-chip microcomputer, digital output circuit connects to provide burning voltage, wherein single-chip microcomputer comprises AD conversion unit and model calculation unit, temperature measuring circuit is connected with temperature sensor, by the signal transmssion line on PCB, the temperature signal of temperature sensor measurement is transferred in temperature measuring circuit.
Temperature measuring circuit is sent to temperature signal in single-chip microcomputer, digital output circuit connects this single-chip microcomputer, temperature signal is converted to digital signal through the AD conversion unit in single-chip microcomputer and exports through digital output circuit, after model calculation unit is converted to the flow of water according to the relation between temperature and the flow of water by the digital signal of temperature, then export through digital output circuit.Digital output circuit be adopt SDI ?12 standard agreements outputs, and by cable, measuring-signal is transferred in bus data acquisition device.
Temperature variation causes that the variable quantity of soil water potential is referred to as the temperature coefficient of the flow of water, and the relation between temperature variation and the flow of water can be carried out matching with exponential function, and concrete index carrys out calibration according to the empirical curve of measuring.
Apply described soil water potential temperature sensor and can measure the flow of water and temperature simultaneously, easy to carry; Freezing state also can normally use, and exempts from field and safeguards, extremely stable, need to not demarcate for soil class, and volume is small and exquisite, is applicable to multiple measurement environment, has long-term high stability.
Described power module is 12V maintenance-free battery; Between soil water potential temperature sensor and bus data acquisition device by SDI ?12 standard agreements realize the output of signal and obtain.
Flow of water measurement range of the present utility model: 0～1000Mpa, flow of water measuring accuracy: ± 7.43, temperature measurement range: ?60～+ 80 DEG C, temperature measurement accuracy: ± 0.05 DEG C, bus data acquisition device memory capacity: 2MB.
The beneficial effects of the utility model are that surveying instrument volume is small and exquisite, are easy to carry, and can measure the flow of water and temperature simultaneously; Can realize Remote Acquisitioning measurement data based on GPRS, application Email carries out exchanges data very simply, conveniently, need not apply for fixing IP, does not spend application dynamic territory analyzing, as long as fill in email address, gets final product Remote Acquisitioning data and revises configuration parameter.
Claims (5)
1. a long-range soil water potential temperature measurement system, is characterized in that, comprising:
Multiple soil water potential temperature sensors, are arranged in the soil that needs to measure for measuring soil water potential temperature information; Described soil water potential temperature sensor comprises sensing head and processor, between sensing head and processor, be connected by signal transmssion line, described processor comprises temperature measuring circuit, single-chip microcomputer, digital output circuit, power supply stabilization circuit, described power supply stabilization circuit is connected with temperature measuring circuit, single-chip microcomputer, digital output circuit respectively, and described temperature measuring circuit is connected with single-chip microcomputer with digital output circuit;
Bus data acquisition device, each described soil temperature sensor is all connected on described bus data acquisition device, and described bus data acquisition device receives the soil water potential temperature information of soil water potential temperature sensor measurement and is sent to server by network;
Server, receives the soil water potential temperature information that described bus data acquisition device sends;
User, is carried out exchanges data and is received soil water potential temperature information by Email between user and server;
Described bus data acquisition device is provided with embedded GPRS module;
Described network comprises GPRS network and INTERNET network, and described GPRS module is sent to server by GPRS network, INTERNET network by soil water potential temperature information successively.
2. measuring system according to claim 1, is characterized in that, between described soil water potential temperature sensor and bus data acquisition device, is carried out the output of signal and is obtained by SDI-12 standard agreement.
3. measuring system according to claim 1, is characterized in that, described measuring system also comprises power module, and its supply voltage is 12V, and described power module is connected on bus data acquisition device.
4. measuring system according to claim 3, is characterized in that, the memory capacity of described bus data acquisition device is 2MB.
5. measuring system according to claim 3, is characterized in that, the temperature measurement range Wei of described measuring system ?60～+ 80 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420112823.9U CN203964949U (en) | 2014-03-12 | 2014-03-12 | A kind of long-range soil water potential temperature measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420112823.9U CN203964949U (en) | 2014-03-12 | 2014-03-12 | A kind of long-range soil water potential temperature measurement system |
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| Publication Number | Publication Date |
|---|---|
| CN203964949U true CN203964949U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420112823.9U Expired - Fee Related CN203964949U (en) | 2014-03-12 | 2014-03-12 | A kind of long-range soil water potential temperature measurement system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864976A (en) * | 2015-04-20 | 2015-08-26 | 苏州经贸职业技术学院 | Contaminated soil temperature and moisture gradient measuring system |
-
2014
- 2014-03-12 CN CN201420112823.9U patent/CN203964949U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864976A (en) * | 2015-04-20 | 2015-08-26 | 苏州经贸职业技术学院 | Contaminated soil temperature and moisture gradient measuring system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20170312 |