CN204788732U - Soil temperature sensor - Google Patents
Soil temperature sensor Download PDFInfo
- Publication number
- CN204788732U CN204788732U CN201520268891.9U CN201520268891U CN204788732U CN 204788732 U CN204788732 U CN 204788732U CN 201520268891 U CN201520268891 U CN 201520268891U CN 204788732 U CN204788732 U CN 204788732U
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- temperature
- sensing probe
- soil
- signal
- chip microcomputer
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- Testing Or Calibration Of Command Recording Devices (AREA)
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Abstract
The utility model relates to a sensor, more specifically are said and are related to a soil temperature sensor, can carry out spot measurement and multilayer measurement to soil temperature, have reduced the influence of factors such as structure, encapsulation and measurement mode, and have had alarming function. Temperature -sensing probe I is used for carrying out the one point sensing to soil temperature, responds to the soil moderate temperature and turns into the current signal with temperature signal and transmit. Temperature -sensing probe II is used for carrying out the multilayer to soil temperature and detects, responds to the soil moderate temperature and turns into the current signal with temperature signal and transmit. Power I send the board power supply for becoming. Become and send the board to provide operating voltage into temperature -sensing probe I and temperature -sensing probe II, change and convey away the received signal simultaneously. Dial switch send the switch of board parameter setting as the change. The singlechip be used for received signal and handle the signal after export control command. The RS232 interface is used for connecting the peripheral hardware, with the data transfer remote port.
Description
Technical field
The utility model relates to a kind of sensor, more specifically to a kind of soil temperature sensor.
Background technology
The soil moisture is the important envirment factor directly or indirectly affecting plant growth and growth.According to the study, the soil moisture affects plant physiological processes, formalness and inner structure.Simultaneously in ecological model foundation and classification of soils process, the soil moisture is also important reference frame.Therefore the soil moisture is carried out measuring and monitored and just seem necessary.But a lot of temperature sensor can only carry out individual layer monitoring to the soil moisture now, and the temperature data collected is more single, and encapsulation difficulty.
Summary of the invention
The technical matters that the utility model mainly solves is: provide a kind of soil temperature sensor, can carry out spot measurement and multilayer measurement, reduce the impact of the factors such as structure, encapsulation and metering system, and have warning function the soil moisture.
For solving the problems of the technologies described above, this practicality relates to a kind of sensor, more specifically to a kind of soil temperature sensor, comprise temperature-sensing probe I, temperature-sensing probe II, become and send plate, toggle switch, power supply I, single-chip microcomputer, RS232 interface, hummer and power supply II, spot measurement and multilayer measurement can be carried out to the soil moisture, reduce the impact of the factors such as structure, encapsulation and metering system, and there is warning function.
Temperature-sensing probe I, for carrying out single-point detection to the soil moisture, is responded to temperature in soil and temperature signal is converted into current signal and transmit.Temperature-sensing probe II, for carrying out multilayer detection to the soil moisture, is responded to temperature in soil and temperature signal is converted into current signal and transmit.Power supply I send plate to power for change.Become and send plate to provide operating voltage into temperature-sensing probe I and temperature-sensing probe II, carry out to the received signal changing and sending out simultaneously.Toggle switch is as becoming the switch sending board parameter to arrange.Single-chip microcomputer is used for Received signal strength and exports steering order after processing signal.Data, for connecting peripheral hardware, are transmitted remote port by RS232 interface.Hummer receives the drive singal sounding of single-chip microcomputer.Power supply II is powered for single-chip microcomputer.
As the further optimization of this programme, the temperature-sensing probe that the temperature-sensing probe I described in a kind of soil temperature sensor of the utility model selects Ya De promise Semiconductor Co., Ltd to produce, its model is ADT7420.
As the further optimization of this programme, the sensor that the temperature-sensing probe II described in a kind of soil temperature sensor of the utility model selects Mei Xin Semiconductor Co., Ltd to produce, its model is DS18B20.
As the further optimization of this programme, plate is sent in the change that the change described in a kind of soil temperature sensor of the utility model send plate to select company limited of peace Germany and Britain to produce, and its model is AD100.
As the further optimization of this programme, the single-chip microcomputer described in a kind of soil temperature sensor of the utility model select Philips Radio&Video Co. to produce single-chip microcomputer, its model is 80C552.
The beneficial effect of a kind of soil temperature sensor of the utility model is:
A. measuring accuracy is adjustable;
B. different Test Cycles can be adapted to;
C. signal can be gone out in teletransmission;
D. encapsulation difficulty is reduced.
Accompanying drawing explanation
Fig. 1 is the system chart of a kind of soil temperature sensor of the utility model.
Embodiment
In FIG, this practicality relates to a kind of sensor, more specifically to a kind of soil temperature sensor, comprise temperature-sensing probe I, temperature-sensing probe II, become and send plate, toggle switch, power supply I, single-chip microcomputer, RS232 interface, hummer and power supply II, spot measurement and multilayer measurement can be carried out to the soil moisture, reduce the impact of the factors such as structure, encapsulation and metering system, and there is warning function.
Temperature-sensing probe I, for carrying out single-point detection to the soil moisture, is responded to temperature in soil and temperature signal is converted into current signal and transmit.The temperature-sensing probe that temperature-sensing probe I selects Ya De promise Semiconductor Co., Ltd to produce, its model is ADT7420.The measuring accuracy of ADT7420 temperature-sensing probe is lower, when carrying out spot measurement to the soil moisture and required measuring accuracy is less demanding, utilize ADT7420 temperature-sensing probe to carry out the collection of temperature signal, the temperature signal that ADT7420 temperature-sensing probe collects is converted to corresponding current signal transfer and send plate to becoming.
Temperature-sensing probe II transmits for responding to temperature in soil and temperature signal being converted into current signal.The sensor that temperature-sensing probe II selects Mei Xin Semiconductor Co., Ltd to produce, its model is DS18B20.The measuring accuracy of DS18B20 temperature-sensing probe is higher, when needs carry out multilayer measurement to the soil moisture and measuring accuracy requires high, selects DS18B20 temperature-sensing probe to carry out the collection of temperature signal.Temperature signal is converted to current signal transfer and send plate to becoming by DS18B20 temperature-sensing probe.
Toggle switch is as becoming the switch sending board parameter to arrange.Stir toggle switch, then people can send plate to arrange to change, to switch the duty of ADT7420 and DS18B20.Stir toggle switch, people, to becoming the short circuit and open fault setting of sending plate to carry out temperature-sensing probe I and temperature-sensing probe II, when corresponding failure appears in temperature-sensing probe I, temperature-sensing probe II, become after sending plate will process signal and send alerting signal to single-chip microcomputer.
Power supply I send plate to power for change.Become and send plate to provide operating voltage into temperature-sensing probe I and temperature-sensing probe II, carry out to the received signal changing and sending out simultaneously.Become the change sending plate to select company limited of peace Germany and Britain to produce and send plate, its model is AD100.AD100 change exports the current signal of 4 to 20MA after sending plate to carry out linearization process to the received signal.Utilize AD100 to become and send plate that surge and voltage also can be prevented along becoming, prevent temperature-sensing probe I and temperature-sensing probe II are subject to high-voltage impact and damage.
Single-chip microcomputer is used for Received signal strength and exports steering order after processing signal.Single-chip microcomputer select Philips Radio&Video Co. to produce single-chip microcomputer, its model is 80C552.RS232 interface for connecting peripheral hardware, so that data are transmitted remote port.Hummer receives the drive singal sounding of single-chip microcomputer.Power supply II is powered for single-chip microcomputer.80C552 single-chip microcomputer receives the temperature signal becoming and send plate to transmit, and after processing temperature signal, signal is transferred to peripheral hardware through RS232 interface.When temperature is reduced to the limit value of single-chip microcomputer, single-chip microcomputer Received signal strength also drives hummer sounding alarm, reminds relevant staff to process, and simultaneously alerting signal is transferred to peripheral hardware through RS232 interface and shows by single-chip microcomputer.
Certain above-mentioned explanation is not limitation of the utility model; the utility model is also not limited only to above-mentioned citing; the change that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also belong to protection domain of the present utility model.
Claims (5)
1. a soil temperature sensor, comprise temperature-sensing probe I, temperature-sensing probe II, become and send plate, toggle switch, power supply I, single-chip microcomputer, RS232 interface, hummer and power supply II, it is characterized in that: temperature-sensing probe I, for carrying out single-point detection to the soil moisture, is responded to temperature in soil and temperature signal is converted into current signal and transmit; Temperature-sensing probe II, for carrying out multilayer detection to the soil moisture, is responded to temperature in soil and temperature signal is converted into current signal and transmit; Power supply I send plate to power for change; Become and send plate to provide operating voltage into temperature-sensing probe I and temperature-sensing probe II, carry out to the received signal changing and sending out simultaneously; Toggle switch is as becoming the switch sending board parameter to arrange; Single-chip microcomputer is used for Received signal strength and exports steering order after processing signal; Data, for connecting peripheral hardware, are transmitted remote port by RS232 interface; Hummer receives the drive singal sounding of single-chip microcomputer; Power supply II is powered for single-chip microcomputer.
2. a kind of soil temperature sensor according to claim 1, is characterized in that: the temperature-sensing probe that described temperature-sensing probe I selects Ya De promise Semiconductor Co., Ltd to produce, and its model is ADT7420.
3. a kind of soil temperature sensor according to claim 1, is characterized in that: the sensor that described temperature-sensing probe II selects Mei Xin Semiconductor Co., Ltd to produce, and its model is DS18B20.
4. a kind of soil temperature sensor according to claim 1, is characterized in that: plate is sent in the change that described change send plate to select company limited of peace Germany and Britain to produce, and its model is AD100.
5. a kind of soil temperature sensor according to claim 1, is characterized in that: described single-chip microcomputer select Philips Radio&Video Co. to produce single-chip microcomputer, its model is 80C552.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520268891.9U CN204788732U (en) | 2015-04-29 | 2015-04-29 | Soil temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520268891.9U CN204788732U (en) | 2015-04-29 | 2015-04-29 | Soil temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204788732U true CN204788732U (en) | 2015-11-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520268891.9U Expired - Fee Related CN204788732U (en) | 2015-04-29 | 2015-04-29 | Soil temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204788732U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928984A (en) * | 2016-04-19 | 2016-09-07 | 沈阳巍图农业科技有限公司 | Non-contact moisture-salinity sensor based on soil texture and testing method thereof |
-
2015
- 2015-04-29 CN CN201520268891.9U patent/CN204788732U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928984A (en) * | 2016-04-19 | 2016-09-07 | 沈阳巍图农业科技有限公司 | Non-contact moisture-salinity sensor based on soil texture and testing method thereof |
| CN105928984B (en) * | 2016-04-19 | 2019-04-05 | 沈阳巍图农业科技有限公司 | A kind of non-contact water salt sensor and its test method based on the soil texture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20160429 |