CN204903528U - Soil physics multi -parameter sensor - Google Patents
Soil physics multi -parameter sensor Download PDFInfo
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- CN204903528U CN204903528U CN201520247429.0U CN201520247429U CN204903528U CN 204903528 U CN204903528 U CN 204903528U CN 201520247429 U CN201520247429 U CN 201520247429U CN 204903528 U CN204903528 U CN 204903528U
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- steel tube
- stainless
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- soil
- data acquisition
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- 239000002689 soil Substances 0.000 title claims abstract description 43
- 239000000523 sample Substances 0.000 claims abstract description 15
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 43
- 239000010935 stainless steel Substances 0.000 claims description 43
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 8
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 230000008020 evaporation Effects 0.000 abstract description 5
- 238000001704 evaporation Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 abstract 2
- 230000001681 protective effect Effects 0.000 abstract 2
- 239000010959 steel Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000005527 soil sampling Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011005 laboratory method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model discloses a soil physics multi -parameter sensor, including the sensor protective housing, be provided with data acquisition controlling means in the sensor protective housing and connect the last sensor of data acquisition controlling means, data acquisition controlling means includes solar cell, the last charge and discharge management circuit that is connected with of solar cell, last lithium cell and the singlechip of being connected with respectively of charge and discharge management circuit, be connected with ZIgbee wireless transceiver on the singlechip, the sensor include with the probe circuit that the singlechip links to each other, be connected with the PCB board on the probe circuit, nonrust steel pipe and the nonrust steel pipe of a plurality of periphery in the middle of being provided with on the PCB board. The beneficial effect of the utility model: can be carried out the simultaneous measurement by important physical parameter such as the soil water content of measurement station, heat capacity, heat conductivity, evaporation capacity, soil water saturation to same, measurement accuracy is high, and data transmission bauds is fast, uses and maintains the convenience, and is with low costs, has more wide application prospect.
Description
Technical field
The utility model relates to the design and devdlop technical field of soil physical parameters pick-up transducers, specifically, relates to a kind of soil physics multi-parameter sensor.
Background technology
For a long time, in order to measure the different physical of soil, a lot of equipment and technology is used.These technology can only be measured one or both soil physical parameters, if just encounter difficulty when carrying out various physical parameters information analysis to same point soil, because the leading measurement of any one physical parameter all can this soil of disturbance and cause the interference of rear row data measuring condition.If measurement cannot be carried out again strict data and compares near this point, therefore difficulty is brought to soil physical parameters measurement, and some measuring techniques adopt the laboratory method after soil sampling to carry out, soil sampling not only can disturbed soil, and cannot realize scene and the robotization of measurement data; Meanwhile, existing soil physical parameters detecting sensor all adopts direct supply or powered battery, and this just needs for each sensor arranges power lead or periodic replacement battery, and construction cost and maintenance cost are very large.
For the problem described in above-mentioned correlation technique, at present effective solution is not yet proposed.
Utility model content
For problem above-mentioned in correlation technique, the utility model proposes soil physics multi-parameter sensor, can utilize solar powered, the important physical parameter such as soil moisture content, thermal capacity, temperature conductivity, evaporation capacity, holard saturation degree of same measured point is measured simultaneously, carry out wireless transmission to testing result, working stability, reliable, measuring accuracy is high simultaneously, data transmission efficiency is high, does not need to regularly replace battery.
For realizing above-mentioned technical purpose, the technical solution of the utility model is achieved in that
A kind of soil physics multi-parameter sensor, comprise sensor protection shell, be provided with data acquisition control device in described sensor protection shell and be connected to the sensor on described data acquisition control device, described data acquisition control device comprises solar cell, described solar cell is connected with management of charging and discharging circuit, described management of charging and discharging circuit is connected to lithium battery and single-chip microcomputer, described single-chip microcomputer is connected with ZIgbee wireless transmitter, described sensor comprises the probe circuit be connected with described single-chip microcomputer, described probe circuit is connected with pcb board, described pcb board is provided with middle stainless-steel tube and some periphery stainless-steel tubes, wherein, Epoxy Resin Gasket is provided with between described pcb board and described middle stainless-steel tube, and, thermopair and heating wire is embedded with in described middle stainless-steel tube, all thermopair is embedded with in described periphery stainless-steel tube.
Further, described sensor protection shell is right cylinder.
Further, the radical of described periphery stainless-steel tube is three.
Further, the radius of described middle stainless-steel tube is 0.8mm, and the radius of described periphery stainless-steel tube is 0.7mm, and described periphery stainless-steel tube is evenly arranged in on the described middle stainless-steel tube radius that is the center of circle the circle that is 7mm.
Further, the whole length of described middle stainless-steel tube filled by described heating wire, and described thermocouple tip is arranged on the centre position of described middle stainless-steel tube and described periphery stainless-steel tube.
The beneficial effects of the utility model:
1, can measure important physical parameters such as the soil moisture content of same measured point, thermal capacity, temperature conductivity, evaporation capacity, holard saturation degrees simultaneously, simultaneously, soil water meauring is carried out owing to adopting Dispersion Frequency method, effectively can reduce the soil water meauring interference because the factor such as the soil moisture, salt content causes, widen the usable range of sensor, improve the measuring accuracy of soil moisture content;
2, sensor head uses the pcb board of particular design, efficiently solves the matching connection of probe circuit and probe, decreases microwave reflection value, improve measuring accuracy, and the maintenance and the probe that are also beneficial to sensor are changed simultaneously;
3, the technology such as short-distance wireless communication technology, solar cell and management of charging and discharging are incorporated, testing result wireless transmission can be realized, therefore can save a large amount of communication cables, also not need to regularly replace battery, can be greatly cost-saving, there is more wide application prospect.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the soil physics multi-parameter sensor according to the utility model embodiment.
In figure:
1, sensor protection shell; 2, data acquisition control device; 3, sensor; 4, solar cell; 5, management of charging and discharging circuit; 6, lithium battery; 7, single-chip microcomputer; 8, ZIgbee wireless transmitter; 9, probe circuit; 10, pcb board; 11, middle stainless-steel tube; 12, periphery stainless-steel tube; 13, Epoxy Resin Gasket; 14, thermopair; 15, heating wire.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain, all belongs to the scope of the utility model protection.
As shown in Figure 1, a kind of soil physics multi-parameter sensor according to embodiment of the present utility model, comprise sensor protection shell 1, the sensor 3 being provided with data acquisition control device 2 in described sensor protection shell 1 and being connected on described data acquisition control device 2, described data acquisition control device 2 comprises solar cell 4, described solar cell 4 is connected with management of charging and discharging circuit 5, described management of charging and discharging circuit 5 is connected to lithium battery 6 and single-chip microcomputer 7, described single-chip microcomputer 7 is connected with ZIgbee wireless transmitter 8, described sensor 3 comprises the probe circuit 9 be connected with described single-chip microcomputer 7, described probe circuit 9 is connected with pcb board 10, described pcb board 10 is provided with middle stainless-steel tube 11 and some periphery stainless-steel tubes 12, wherein, Epoxy Resin Gasket 13 is provided with between described pcb board 10 and described middle stainless-steel tube 11, and, thermopair 14 and heating wire 15 is embedded with in described middle stainless-steel tube 11, thermopair 14 is all embedded with in described periphery stainless-steel tube 12.
In one embodiment, described sensor protection shell 1 is right cylinder.
In one embodiment, the radical of described periphery stainless-steel tube 12 is three.
In one embodiment, the radius of described middle stainless-steel tube 11 is 0.8mm, and the radius of described periphery stainless-steel tube 12 is 0.7mm, and described periphery stainless-steel tube 12 is evenly arranged in on described middle stainless-steel tube 11 radius that is the center of circle the circle that is 7mm.
In one embodiment, the whole length of described middle stainless-steel tube 11 filled by described heating wire 15, and described thermopair 14 end is arranged on the centre position of described middle stainless-steel tube 11 and described periphery stainless-steel tube 12.
Conveniently understand technique scheme of the present utility model, below by way of in concrete use-pattern, technique scheme of the present utility model is described in detail.
When specifically using, heating wire uses thermal source constant current source power supply, and whole system uses steady pressure of system source to power.By Epoxy Resin Gasket 13, middle stainless-steel tube 11 is insulated with pcb board 10, and play the effect of fixing middle stainless-steel tube 11.Produce swept frequency by probe circuit 9, probe circuit 9 measures the Dispersion Frequency of the sample that sensor 3 is formed with soil, calculates soil moisture content by Dispersion Frequency.Dispersion Frequency is only relevant with soil moisture content, and soil salt content and temperature affect very little on soil water meauring, efficiently solves and uses sensor its measurement range when moisture measurement of fixed frequency little, the shortcomings such as low humidity soil surveying low precision.Native thermal parameter measurement part is formed by heating wire 15 and thermopair 14, measure the situation of change of the soil moisture thus, and carry out thermal capacity with this, the automatic calculating of temperature conductivity and water evaporation quantity value, also the soil weight can be calculated by soil heat capacity and water cut, and draw ventilation cell size and soil saturation degree equivalence with this, the soil moisture in soil physics important parameter is achieved with this, volumetric(al) moisture content, soil dielectric constant, thermal capacity, temperature conductivity, evaporation capacity, holard saturation degree, " the same to point " of porosity of soil, multiparameter, scene, automatic measurement.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a soil physics multi-parameter sensor, comprise sensor protection shell (1), it is characterized in that, the sensor (3) being provided with data acquisition control device (2) in described sensor protection shell (1) and being connected on described data acquisition control device (2), described data acquisition control device (2) comprises solar cell (4), described solar cell (4) is connected with management of charging and discharging circuit (5), described management of charging and discharging circuit (5) is connected to lithium battery (6) and single-chip microcomputer (7), described single-chip microcomputer (7) is connected with ZIgbee wireless transmitter (8), described sensor (3) comprises the probe circuit (9) be connected with described single-chip microcomputer (7), described probe circuit (9) is connected with pcb board (10), described pcb board (10) is provided with middle stainless-steel tube (11) and some periphery stainless-steel tubes (12), wherein, Epoxy Resin Gasket (13) is provided with between described pcb board (10) and described middle stainless-steel tube (11), and, thermopair (14) and heating wire (15) is embedded with in described middle stainless-steel tube (11), thermopair (14) is all embedded with in described periphery stainless-steel tube (12).
2. soil physics multi-parameter sensor according to claim 1, is characterized in that, described sensor protection shell (1) is right cylinder.
3. soil physics multi-parameter sensor according to claim 1, is characterized in that, the radical of described periphery stainless-steel tube (12) is three.
4. soil physics multi-parameter sensor according to claim 3, it is characterized in that, the radius of described middle stainless-steel tube (11) is 0.8mm, the radius of described periphery stainless-steel tube (12) is 0.7mm, further, described periphery stainless-steel tube (12) is evenly arranged in described middle stainless-steel tube (11) is the center of circle radius is on the circle of 7mm.
5. soil physics multi-parameter sensor according to claim 4, it is characterized in that, the whole length of described middle stainless-steel tube (11) filled by described heating wire (15), and described thermopair (14) end is arranged on the centre position of described middle stainless-steel tube (11) and described periphery stainless-steel tube (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520247429.0U CN204903528U (en) | 2015-04-21 | 2015-04-21 | Soil physics multi -parameter sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520247429.0U CN204903528U (en) | 2015-04-21 | 2015-04-21 | Soil physics multi -parameter sensor |
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| Publication Number | Publication Date |
|---|---|
| CN204903528U true CN204903528U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520247429.0U Expired - Fee Related CN204903528U (en) | 2015-04-21 | 2015-04-21 | Soil physics multi -parameter sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106841574A (en) * | 2017-04-21 | 2017-06-13 | 成都赋阳技术开发有限公司 | A kind of composite soil detection means of Multifunction superposition |
| CN107843634A (en) * | 2017-10-26 | 2018-03-27 | 北京农业智能装备技术研究中心 | A kind of flush type compost environment detection device and system |
-
2015
- 2015-04-21 CN CN201520247429.0U patent/CN204903528U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106841574A (en) * | 2017-04-21 | 2017-06-13 | 成都赋阳技术开发有限公司 | A kind of composite soil detection means of Multifunction superposition |
| CN107843634A (en) * | 2017-10-26 | 2018-03-27 | 北京农业智能装备技术研究中心 | A kind of flush type compost environment detection device and system |
| CN107843634B (en) * | 2017-10-26 | 2019-12-17 | 北京农业智能装备技术研究中心 | Embedded compost environment detection device and system |
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| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 |