CN208721525U - A kind of soil volumetric water content, three parameter tacheometer device of mass water content and bulk density - Google Patents
A kind of soil volumetric water content, three parameter tacheometer device of mass water content and bulk density Download PDFInfo
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- CN208721525U CN208721525U CN201821394009.5U CN201821394009U CN208721525U CN 208721525 U CN208721525 U CN 208721525U CN 201821394009 U CN201821394009 U CN 201821394009U CN 208721525 U CN208721525 U CN 208721525U
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Abstract
The utility model discloses a kind of soil volumetric water contents, three parameter tacheometer device of mass water content and bulk density, belong to soil moisture content monitoring device technical field, tacheometer device includes sampler, measuring device, data processing module and display module, the sampler is bulk density ring, measuring device includes the soil moisture content quick analyser for measuring soil volumetric water content, and the weighing device for measuring wet soil sample quality, the signal output end of soil moisture content quick analyser and weighing device is all connect with the input terminal of data processing module, the output end of data processing module is connect with display module.In the case where not having to baking oven, the mass water content of soil can be determined on the spot in soil testing point, to which the soil weight be calculated, it does not need that soil sample is taken back laboratory again, it is more convenient, and scene weighing is it is possible to prevente effectively from the error generated due to the water loss in wet soil sample, the data measured are more accurate.
Description
Technical field
The utility model belongs to soil moisture content monitoring device technical field, is related to a kind of tacheometer device, especially a kind of
Three parameter tacheometer device of soil volumetric water content, mass water content and bulk density.
Background technique
Soil basis determining is the important parameter that many fields such as agricultural, meteorological, ecology research are commonly used, but
In practical application, mass water content is generally dried soil sample with baking oven, and the method then weighed is measured, need by
Soil sample takes back laboratory, inconvenient on-site measurement.In addition the soil weight is also an important parameter, is equally generally also required to take back reality
Test room drying measurement.Therefore how at the scene, without the mass water content of soil can be measured in the case of baking oven and bulk density is always
A problem.
Summary of the invention
The utility model in order to overcome the drawbacks of the prior art, devises a kind of soil volumetric water content, mass water content
And three parameter tacheometer device of bulk density can determine on the spot the volume of soil in soil testing point in the case where not having to baking oven
Water content, mass water content and bulk density do not need that soil sample is taken back laboratory again, more convenient, and scene weighing can
Effectively to avoid the water loss in wet soil sample, the data measured are more accurate.
The specific technical solution that the utility model is taken is: a kind of soil volumetric water content, mass water content and bulk density
Three parameter tacheometer devices, including sampler, measuring device, data processing module and display module, key are: described takes
Sampling device is bulk density ring, and measuring device includes soil moisture content quick analyser for measuring soil volumetric water content and for surveying
Determine the weighing device of wet soil sample quality, the signal output end of soil moisture content quick analyser and weighing device all with data processing module
Input terminal connection, the output end of data processing module connect with display module.
The weighing device is electronic balance, and soil moisture content quick analyser includes tacheometer ontology and measuring head, tacheometer
Device further includes shell, the side cover being fixedly connected with the casing, and tacheometer ontology and data processing module are all immobilized in the shell portion, is surveyed
Amount head is located at hull outside, offers measuring mouth and display window on the top plate of shell, and electronic balance is inlaid at measuring mouth, shows
Show that module is inlaid at display window.
It is additionally provided with operation panel on the top plate of shell, peeling key, weight in wet base key, measurement are provided on operation panel
Key, saving button resurvey key and on/off key, and above-mentioned all keys are all connect with data processing module.
The shell includes top plate and bottom plate and four side plates, and action pane is offered on a side plate, and side cover setting exists
It is locked at action pane and with side plate, the upper surface of four side plates is all protruded to be formed as above top plate and above top plate
One accommodating chamber, the elastic jacket of C-shaped is fixed in accommodating chamber, and measuring head and elastic jacket are clamped, are provided with above accommodating chamber
Cover board, the edge of cover board offered line gap, and were formed as detachable connection between cover board and side plate.
There are symmetrically arranged two coattail strips in cover board lower end surface, side plate upper surface offers dovetail groove, and cover board is by swallow
The cooperation and side plate grafting of tail item and dovetail groove.
The data processing module includes micro controller unit MCU and data memory module, soil moisture content quick analyser and
The signal output end of weighing device is all connect with the input terminal of micro controller unit MCU, and the output end of micro controller unit MCU is same
When connect with data memory module and display module.
The soil moisture content quick analyser is TDR or FDR soil moisture content quick analyser
The beneficial effects of the utility model are: the wet soil sample for being V with bulk density ring acquisition volume, is measured using electronic balance
Wet soil sample quality Ms, using the volumetric(al) moisture content Wv of soil moisture content quick analyser on-site measurement soil, data processing module according to
The mass water content Wm of wet soil sample can be calculated, according to formula γ=Wv/ in formula W m=Wv*V/ (Ms-Wv*V) * 100
Wm can be calculated the soil weight γ of wet soil sample, and be shown the data measured by display module.This is practical
It is novel do not have to baking oven in the case where, the volumetric(al) moisture content of soil, mass water content can be determined on the spot in soil testing point
And bulk density, it does not need that soil sample is taken back laboratory again, it is more convenient, and also scene weighing is it is possible to prevente effectively from due to wet soil
Water loss in sample and the error generated, the data measured are more accurate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of shell in Fig. 1.
In attached drawing, 1 represents display module, and 2 represent electronic balance, and 3 represent measuring head, and 4 represent shell, and 4-1 represents top plate,
4-2 represents bottom plate, and 4-3 represents side plate, and 4-4 represents elastic jacket, and 4-5 represents cover board, and 5 represent peeling keys, 6 represent weight in wet base by
Key, 7 represent measurement key, and 8 represent saving button, and key is resurveyed in 9 representatives, and 10 represent on/off key.
Specific embodiment
It elaborates in the following with reference to the drawings and specific embodiments to the utility model:
Specific embodiment, as shown in Figure 1, three parameter tacheometer of a kind of soil volumetric water content, mass water content and bulk density
Device, including sampler, measuring device, data processing module and display module 1, the sampler are bulk density rings, measurement
Device includes the soil moisture content quick analyser for measuring soil volumetric water content and the weighing for measuring wet soil sample quality
Device, soil moisture content quick analyser are TDR or FDR soil moisture content quick analyser, and the signal of soil moisture content quick analyser and weighing device is defeated
Outlet is all connect with the input terminal of data processing module, and the output end of data processing module is connect with display module 1.
Wherein, data processing module includes micro controller unit MCU and data memory module, soil moisture content quick analyser and title
It resets the signal output end set all to connect with the input terminal of micro controller unit MCU, the output end of micro controller unit MCU is simultaneously
It is connect with data memory module and display module 1.Micro controller unit MCU is controlled by its data-signal, address signal and read-write
Signal processed is connect with data memory module.Micro controller unit MCU is by its data-signal, address signal and display control signal
It is connect with display module 1.Data memory module is aqueous for storing soil testing point, testing time, volumetric(al) moisture content, quality
The data storage of amount and bulk density.Display module 1 is for showing that soil testing point, testing time, volumetric(al) moisture content, quality contain
The LCD display of water and bulk density.
Weighing device is electronic balance 2, and soil moisture content quick analyser includes tacheometer ontology and measuring head 3, as to this reality
With novel further improvement, tacheometer device further includes the side cover that shell 4 and shell 4 are locked, tacheometer ontology and data
Processing module is all fixed on inside shell 4, and measuring head 3 is located at outside shell 4, and measuring mouth is offered on the top plate of shell 4 and is shown
Show that window, electronic balance 2 are inlaid at measuring mouth, display module 1 is inlaid at display window.At tacheometer ontology, data
Reason module, electronic balance 2 and display module 1 are all integrated in inside shell 4, more convenient, whole more neat appearance when carrying.
Operation panel, measuring mouth and display window are additionally provided on the top plate of shell 4 on the top plate of shell 4 along left and right
Direction arrangement, operation panel are located at below measuring mouth and display window, and peeling key 5, weight in wet base key are provided on operation panel
6, key 7, saving button 8 are measured, resurveys key 9 and on/off key 10, above-mentioned all keys all connect with data processing module
It connects.The division of labor of each key is clear, and when operation is more intuitive, simple and convenient.
As shown in Fig. 2, shell 4 includes top plate 4-1, bottom plate 4-2 and four side plate 4-3, operation is offered on a side plate
Window, side cover are arranged at action pane and are locked with side plate 4-3, and the upper surface of four side plate 4-3 is all protruded in top plate
Be formed as an accommodating chamber above 4-1 and above top plate 4-1, the elastic jacket 4-4 of C-shaped, measuring head 3 are fixed in accommodating chamber
It is clamped with elastic jacket 4-4, is provided with cover board 4-5 above accommodating chamber, the edge of cover board 4-5 offered line gap, cover board
Be formed as detachable connection between 4-5 and side plate 4-3.Tacheometer device does not need in use, measuring head 3 is connected to elastic clip
It covers in 4-4, cover board 4-5 and side plate 4-3 is locked, the line between measuring head 3 and tacheometer ontology passed through line
Gap enters in accommodating chamber.It needs to extract measuring head 3 in use, disassembling cover board 4-5, not need in use, will
Measuring head 3 turns back in elastic jacket 4-4, and structure is simple, easy to use.Meanwhile cover board 4-5 can also play protection and show
The effect for showing module 1, electronic balance 2 and operation panel, avoid the tacheometer device do not need using when accidentally encountered and
Maloperation is generated, more securely and reliably.In order to avoid measuring head 3 directly with elastic jacket 4-4 rigid contact and repeatedly insert
It is worn during pulling out, is provided with elastic protection layer on elastic jacket 4-4 inner wall, good protective action can be played.
It can be connected by hasp between cover board 4-5 and side plate 4-3, it can also be by being bolted, the utility model exists
There are symmetrically arranged two coattail strips in the lower end surface cover board 4-5, and the upper surface side plate 4-3 offers dovetail groove, and cover board 4-5 is by dovetail
The cooperation of item and dovetail groove and side plate 4-3 grafting, firm and reliable connection are simple and convenient without by external equipment when dismounting.
Bulk density ring is collided with damage in the handling process in order to prevent, is fixed with positioning sleeve in accommodating chamber, in positioning sleeve
It is fixed with elastic cord breaker on wall, the inserting of bulk density ring is fixed in positioning sleeve when not used.
Bulk density ring used in the utility model includes ring body and lid, and the both ends of ring body are both provided with lid, and lid is
The internal diameter of Qian character form structure, lid is equal to ring body outer diameter, when acquiring wet soil sample, first separates two lids with ring body, then
It goes to sample with ring body, after the completion of sampling, with repairing mamoty or repair native knife by the intracorporal wet soil sample equating of ring, then by two lids
It is fastened with ring body, can prevent the intracorporal soil of ring from outflowing and influencing the accuracy of measurement data.
The utility model operates according to the following steps when specifically used:
A, on/off key is pressed, the switch of tacheometer device is opened, empty bulk density ring is put on electronic balance, is pressed by peeling
Key weighs peeling to bulk density ring, and the sensibility reciprocal of electronic balance is 0.01g；
B, two lids are separated with ring body, (is inserted into ring body with ring body in soil testing point acquisition wet soil sample
Wet soil sample is acquired in soil), and with repairing mamoty or repairing native knife for the intracorporal wet soil sample equating of ring, then by two lids with
Ring body fastens, and obtains bulk density ring to be measured；
C, bulk density ring to be measured is put on electronic balance, the wet soil sample quality Ms measured is sent to micro-control by electronic balance
Then device unit MCU processed presses weight in wet base key, then wet soil sample quality Ms is sent to data storage by micro controller unit MCU
It is stored, if it is desired to if re-measuring, first by key is resurveyed, then press weight in wet base key again；
D, with the measuring head of TDR or FDR soil moisture content quick analyser, (i.e. in ring body around the place of acquisition wet soil sample
Around insertion point) it measures within the scope of 2-8cm, the volumetric(al) moisture content Wv measured is sent to microcontroller by soil moisture content quick analyser
Volumetric(al) moisture content Wv is sent to data storage and stored, then pressed by measurement by device unit MCU, micro controller unit MCU
Key, then mass water content Wm is calculated according to formula W m=Wv*V/ (Ms-Wv*V) * 100 in micro controller unit MCU, according to public affairs
Soil weight γ is calculated in formula γ=Wv/Wm, and the V in formula is wet soil sample volume, and the as volume of bulk density ring, measurement is opened
Pass through micro controller unit MCU before beginning to store specific value into data storage；
E, calculated result is sent to LCD display by micro controller unit MCU, can be shown on LCD display unearthed
Then the specific value of the volumetric(al) moisture content Wv of earth, mass water content Wm and bulk density γ press saving button, the then above-mentioned number measured
Value can be saved in data storage simultaneously, and measurement result can be exported after the completion of measurement, finally press on/off key, closed speed and surveyed
The switch of instrument.
The derivation principle of formula W m=Wv*V/ (Ms-Wv*V) * 100 used is as follows in the utility model:
Formula 1., Wm=Mw/Md*100, Wm is mass water content, and Mw is the quality of the soil water in wet soil sample, and Md is wet
The quality of dry ground in soil sample sheet；
Formula 2., Mw=Wv*V, Wv be using soil moisture content quick analyser measurement soil volumetric(al) moisture content, V is wet soil
Sample volume, the as volume of bulk density ring；
Formula 3., Md=Ms-Mw, Ms be wet soil sample quality；
2. and 3. formula is updated in 1., mass water content Wm=Wv*V/ (Ms-Wv*V) * of you can get it soil
100。
In Dry Farming Agriculture Inst., Hebei Prov. Academy of Agriculture and Forestry S's experiment centre, five wet soil samples, appearance used are chosen within 2018
Volume, that is, each wet soil sample volume V=100cm of weight ring3, measured respectively with oven drying method, the on-site measurement method of the utility model
The mass water content of each wet soil sample, the data obtained are as shown in Table 1 below:
The volumetric(al) moisture content and mass water content that 1 two methods of table respectively obtain
The mass water content obtained with the on-site measurement method of oven drying method and the utility model is compared, result is as follows
Shown in the table 2 in face:
The comparison for the mass water content that 2 two methods of table respectively obtain
The volumetric(al) moisture content obtained with the on-site measurement method of oven drying method and the utility model is compared, result is as follows
Shown in the table 3 in face:
The comparison for the volumetric(al) moisture content that 3 two methods of table respectively obtain
The soil weight obtained with the on-site measurement method of oven drying method and the utility model is compared, result is for example following
Table 4 shown in:
The comparison for the soil weight that 4 two methods of table respectively obtain
By the data in table 2 it is found that being obtained with the mass water content that the on-site measurement method of the utility model obtains with oven drying method
The mass water content arrived is very close；By the data in table 3 it is found that the volume that the utility model is measured with soil moisture content quick analyser
Water content and the volumetric(al) moisture content obtained with oven drying method are also very close；By the data in table 4 it is found that with the public affairs of the utility model
The soil weight that formula is calculated and the soil weight obtained with oven drying method are also very close.So with the method for the utility model
On-site measurement mass water content of soil and the soil weight are that there is no problem, and the on-site measurement method of the utility model has and actually makes
With value, can be widely used.
The utility model can determine on the spot the volume of aqueous of soil in soil testing point in the case where not having to baking oven
Amount, mass water content and bulk density, do not need that soil sample is taken back laboratory again, more convenient, and scene weighing can have
Effect avoids the error generated due to the water loss in wet soil sample, and the data measured are more accurate.
Claims (7)
1. three parameter tacheometer device of a kind of soil volumetric water content, mass water content and bulk density, including sampler, measurement dress
It sets, data processing module and display module (1), it is characterised in that: the sampler is bulk density ring, and measuring device includes using
Soil moisture content quick analyser in measurement soil volumetric water content and weighing device for measuring wet soil sample quality, soil
The signal output end of soil moisture measure and weighing device is all connect with the input terminal of data processing module, data processing module it is defeated
Outlet is connect with display module (1).
2. three parameter tacheometer device of a kind of soil volumetric water content according to claim 1, mass water content and bulk density,
Be characterized in that: the weighing device is electronic balance (2), and soil moisture content quick analyser includes tacheometer ontology and measuring head (3),
Tacheometer device further includes shell (4) and the side cover that shell (4) are locked, and tacheometer ontology and data processing module are all fixed
Internal in shell (4), measuring head (3) is located at shell (4) outside, offers measuring mouth and display window on the top plate of shell (4),
Electronic balance (2) is inlaid at measuring mouth, and display module (1) is inlaid at display window.
3. three parameter tacheometer device of a kind of soil volumetric water content according to claim 2, mass water content and bulk density,
It is characterized in that: being additionally provided with operation panel on the top plate of shell (4), peeling key (5) is provided on operation panel, weight in wet base is pressed
Key (6), saving button (8), resurveys key (9) and on/off key (10) at measurement key (7), above-mentioned all keys all with number
It is connected according to processing module.
4. three parameter tacheometer device of a kind of soil volumetric water content according to claim 2, mass water content and bulk density,
Be characterized in that: the shell (4) includes top plate (4-1), bottom plate (4-2) and four side plates (4-3), is offered on a side plate
Action pane, side cover are arranged at action pane and are locked with side plate (4-3), and the upper surface of four side plates (4-3) is all convex
Be formed as an accommodating chamber above top plate (4-1) and above top plate (4-1) out, the elastic clip of C-shaped is fixed in accommodating chamber
It covers (4-4), measuring head (3) and elastic jacket (4-4) are clamped, and are provided with cover board (4-5) above accommodating chamber, the side of cover board (4-5)
Line gap was offered at edge, was formed as detachable connection between cover board (4-5) and side plate (4-3).
5. three parameter tacheometer device of a kind of soil volumetric water content according to claim 4, mass water content and bulk density,
It being characterized in that: having symmetrically arranged two coattail strips in the lower end surface cover board (4-5), the upper surface side plate (4-3) offers dovetail groove,
Cover board (4-5) by coattail strip and dovetail groove cooperation and side plate (4-3) grafting.
6. three parameter tacheometer device of a kind of soil volumetric water content according to claim 1, mass water content and bulk density,
Be characterized in that: the data processing module includes micro controller unit MCU and data memory module, soil moisture content quick analyser and
The signal output end of weighing device is all connect with the input terminal of micro controller unit MCU, and the output end of micro controller unit MCU is same
When connect with data memory module and display module (1).
7. three parameter tacheometer device of a kind of soil volumetric water content according to claim 1, mass water content and bulk density,
Be characterized in that: the soil moisture content quick analyser is TDR or FDR soil moisture content quick analyser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821394009.5U CN208721525U (en) | 2018-08-28 | 2018-08-28 | A kind of soil volumetric water content, three parameter tacheometer device of mass water content and bulk density |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821394009.5U CN208721525U (en) | 2018-08-28 | 2018-08-28 | A kind of soil volumetric water content, three parameter tacheometer device of mass water content and bulk density |
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| Publication Number | Publication Date |
|---|---|
| CN208721525U true CN208721525U (en) | 2019-04-09 |
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ID=65979917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821394009.5U Active CN208721525U (en) | 2018-08-28 | 2018-08-28 | A kind of soil volumetric water content, three parameter tacheometer device of mass water content and bulk density |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208721525U (en) |
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2018
- 2018-08-28 CN CN201821394009.5U patent/CN208721525U/en active Active
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