A kind of soil moisture detection device
Technical field
Detection device technical field is the utility model is related to, specially a kind of soil moisture detection device.
Background technology
Soil moisture detection is soil moisture content detection, and soil moisture content generally refers to soil absolute water content, i.e. 100g
Contain some grams of moisture in drying soil, also referred to as soil moisture content, soil moisture content are an important parameters in agricultural production, and its is main
Method has weight method, tensometer method, electric-resistivity method, NEUTRON METHOD, r- ray methods, standing-wave ratio method, time domain reflectometry, higher-order of oscillation method
And optical method etc. (FDR).
Oven drying method is to determine the most common method of soil moisture, and the standard method of soil moisture detection, existing at present
Soil moisture detection device when being detected to soil moisture content, detection efficiency is relatively low, and the error detected is larger,
It is unfavorable for accurately measuring out soil moisture content, accurately science data support can not be provided for agricultural production.
Such as a kind of moisture content detection devices of the A of Chinese patent CN 105548520, the device include controller, display screen and
Multiple longitudinally disposed moisture transducers, corresponding to the piezoresistance sensor of each moisture transducer, discharge, plastic tube, clay
Head and rubber stopper, one end of discharge connect with one end of plastic tube, and the other end of discharge sets rubber stopper, and pot clay end is set
In the other end of plastic tube, the side wall of discharge and the measurement end of moisture transducer are connected, moisture transducer and piezoresistance sensor
Connect, piezoresistance sensor is electrically connected with sensor circuit, and controller controls each moisture transducer monitoring result in display
Upper output, the moisture situation of soil different depth can be monitored, but the soil moisture is read by moisture transducer
Taking, moisture transducer receipts such environmental effects are larger, and error easily occurs in testing result, not enough precisely, so propose a kind of soil
Earth moisture content detection device solves posed problems above.
Utility model content
(1) technical problem solved
In view of the shortcomings of the prior art, the utility model provides a kind of soil moisture detection device, and it is accurate to possess measurement
The advantages that, solving current existing soil moisture detection device when being detected to soil moisture content, detection efficiency is relatively low,
And the error detected is larger, it is unfavorable for accurately measuring out soil moisture content, accurately section can not be provided for agricultural production
Learn the problem of data are supported.
(2) technical scheme
To realize the accurate purpose of above-mentioned measurement, the utility model provides following technical scheme:A kind of soil moisture detection dress
Put, including mounting seat, housing is installed with the top of mounting seat, the inside of housing is installed with test chamber, detection
The feeding mouth positioned at case top is communicated with the top of chamber, bearing column, load-bearing is fixedly mounted in the intracavity bottom of the test chamber
The preceding surface of pillar is installed with weight sensor, and weight bearing foundation, weight bearing foundation are installed with the top of weight sensor
Inner chamber in the middle part of offer heating tube, heating tube, the left side top of the weight bearing foundation are fixedly mounted in the middle part of the inner chamber of heating chamber
Left risers are installed with, motor cabinet is installed with the right side wall of left risers, driving is installed with the top of motor cabinet
Motor, shaft coupling is installed with the output shaft of motor, side of the shaft coupling away from motor, which is installed with, to be turned
Axle, the outside of rotating shaft are provided with helical blade, and the right hand top of the weight bearing foundation is installed with right risers, and right risers are close
The side of left risers is installed with fixed cage plate, and fixed side of the cage plate away from right risers is movably installed with the first movable sleeve
Plate, side of the first movable cage plate away from fixed cage plate are movably installed with the second movable cage plate, and the top of the second movable cage plate is consolidated
Dingan County is equipped with connecting seat, and connecting rod is installed with the top of connecting seat, and side of the connecting rod away from left risers is installed with
Electric pushrod on right risers left side wall, display screen is installed with the right side wall of the housing.
The output end of the weight sensor electrically connects with the input of single-chip microcomputer, single-chip microcomputer with computing module is two-way is electrically connected
Connect, the single-chip microcomputer with memory module is two-way electrically connects, the input of the single-chip microcomputer electrically connects with the output end of power module,
The output end of the single-chip microcomputer electrically connects with the input of display screen
Preferably, the heating tube is isodistantly spaced the inside for being distributed in heating chamber, and the quantity of heating tube is no less than four,
The heating tube is internally provided with heater strip.
Preferably, the diameter of the described second movable cage plate is less than the diameter of the first movable cage plate and the diameter of fixed cage plate,
First movable cage plate and the inner cavity top of fixed cage plate offer the groove being adapted with connecting rod, the fixed cage plate it is interior
The chute being adapted with the first movable cage plate is offered in chamber side wall, is offered on the intracavity sidewall of the first movable cage plate and second
The chute that movable cage plate is adapted.
Preferably, the heating tube is isodistantly spaced the inside for being distributed in heating chamber, and the quantity of heating tube is no less than four,
The heating tube is internally provided with heater strip.
Preferably, the diameter of the described second movable cage plate is less than the diameter of the first movable cage plate and the diameter of fixed cage plate,
First movable cage plate and the inner cavity top of fixed cage plate offer the groove being adapted with connecting rod, the fixed cage plate it is interior
The chute being adapted with the first movable cage plate is offered in chamber side wall, is offered on the intracavity sidewall of the first movable cage plate and second
The chute that movable cage plate is adapted.
Preferably, the helical blade is isodistantly spaced the upper and lower ends for being symmetrically distributed in rotating shaft, and the quantity of helical blade
No less than six, the connected mode of the helical blade and rotating shaft is welding.
Preferably, the display screen is embedded on the right side wall of housing, and the surface of housing offers to be adapted with display screen
Groove, the display screen is liquid crystal high-definition display screen.
Preferably, the connecting rod and the connected mode of connecting seat and electric pushrod are welding.
Preferably, the model TDA-06 of the weight sensor, the model stc89c52 of the single-chip microcomputer.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of soil moisture detection device, possesses following beneficial effect:
1st, the soil moisture detection device and its detection method, by setting heating tube, heating tube is powered convenient to load-bearing
Pedotheque on base is dried, the water content at detection in pedotheque.
2nd, the soil moisture detection device and its detection method, by setting rotating vane, motor starts band turn
Axle is rotated, and helical blade is stirred with axis of rotation to the pedotheque on weight bearing foundation surface so that the water in pedotheque
Divide drying more uniform, while accelerate the drying rate of moisture in pedotheque, be advantageous to save drying detection time.
3rd, the soil moisture detection device and its detection method, by setting fixed cage plate, the first movable cage plate and second
Movable cage plate, it is to be flexibly connected between fixed cage plate, the first movable cage plate and the second movable cage plate, fixed cover can be caused
Shrink or deploy between plate, the first movable cage plate and the second movable cage plate, barrier effect is played to pedotheque from top, avoided
Soil is carried over during stirring, and is ensured that the gross weight of pedotheque does not produce change, is advantageously ensured that the essence of soil surveying
Parasexuality.
4th, the soil moisture detection device and its detection method, by setting electric pushrod, electric pushrod passes through connecting seat
Drive the second movable cage plate to move back and forth in the horizontal direction with connecting rod, realize fixed cage plate, the first movable cage plate and second
Automatic contraction or expansion between movable cage plate, it is very convenient.
Brief description of the drawings
Fig. 1 is the utility model structure diagram;
Fig. 2 is the enlarged drawing of A in the utility model Fig. 1;
Fig. 3 is Tthe utility model system schematic diagram.
In figure:1 mounting seat, 2 housings, 3 test chambers, 4 feeding mouths, 5 bearing columns, 6 weight sensors, 7 weight bearing foundations,
8 heating chambers, 9 heating tubes, 10 left risers, 11 motor cabinets, 12 motors, 13 shaft couplings, 14 rotating shafts, 15 helical blades, 16 right sides
Cage plate, 18 first movable cage plates, 19 second movable cage plates, 20 connecting seats, 21 connecting rods, 22 electric pushrods, 23 are fixed in riser, 17
Display screen, 24 single-chip microcomputers, 25 computing modules, 26 memory modules, 27 power modules.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-3, a kind of soil moisture detection device, including mounting seat 1 are referred to, peace is fixed at the top of mounting seat 1
Equipped with housing 2, the inside of housing 2 is installed with test chamber 3, and the top of test chamber 3 is communicated with the pan feeding positioned at the top of housing 2
Bearing column 5 is fixedly mounted in mouth 4, the intracavity bottom of test chamber 3, and the preceding surface of bearing column 5 is installed with weight sensor
6, the model TDA-06 of weight sensor 6, the top of weight sensor 6 are installed with weight bearing foundation 7, weight bearing foundation 7
Heating tube 9 is offered in the middle part of inner chamber, heating tube 9 is isodistantly spaced the inside for being distributed in heating chamber 8, and the quantity of heating tube 9 is many
In four, heating tube 9 is internally provided with heater strip, and heating tube 9 is powered conveniently dries to the pedotheque on weight bearing foundation 7
Dry, heating tube 9, the left side of weight bearing foundation 7 is fixedly mounted in the water content at detection in pedotheque, the inner chamber middle part of heating chamber 8
Top is installed with left risers 10, and motor cabinet 11 is installed with the right side wall of left risers 10, and the top of motor cabinet 11 is consolidated
Dingan County is equipped with motor 12, shaft coupling 13 is installed with the output shaft of motor 12, shaft coupling 13 is away from driving electricity
The side of machine 12 is installed with rotating shaft 14, and the outside of rotating shaft 14 is provided with helical blade 15, and helical blade 15 is isodistantly spaced pair
Claim to be distributed in the upper and lower ends of rotating shaft 14, and the quantity of helical blade 15 is no less than six, helical blade 15 and the company of rotating shaft 14
Mode is connect as welding, motor 12, which starts, drives rotating shaft 14 to rotate, and helical blade 15 is rotated to the table of weight bearing foundation 7 with rotating shaft 14
The pedotheque in face is stirred so that the moisture drying in pedotheque is more uniform, while accelerates moisture in pedotheque
Drying rate, be advantageous to save drying detection time, the right hand top of weight bearing foundation 7 is installed with right risers 16, Zuo Li
Plate 10 and right risers 16 are symmetric in the top both sides of weight bearing foundation 7, and weight bearing foundation 7 and left risers 10 and right risers
16 connected mode is welding, and right risers 16 are installed with fixed cage plate 17, fixed cage plate close to the side of left risers 10
17 sides away from right risers 16 are movably installed with the first movable cage plate 18, and the first movable cage plate 18 is remote to fix the one of cage plate 17
Side is movably installed with the second movable cage plate 19, and the diameter of the second movable cage plate 19 is less than diameter and the fixation of the first movable cage plate 18
The diameter of cage plate 17, the first movable cage plate 18 offered with the inner cavity top of fixed cage plate 17 be adapted with connecting rod 21 it is logical
Groove, fix on the intracavity sidewall of cage plate 17 and offer the chute being adapted with the first movable cage plate 18, the first movable cage plate 18
The chute being adapted with the second movable cage plate 19, fixed cage plate 17, the first movable cage plate 18 and second are offered on intracavity sidewall
It is to be flexibly connected between movable cage plate 19, can to fix cage plate 17, the first movable 18 and second movable cage plate 19 of cage plate
Between shrink or expansion, barrier effect is played to pedotheque from top, avoids soil from being carried over during stirring, ensure soil
The gross weight of earth sample does not produce change, advantageously ensures that the accuracy of soil surveying, and the top of the second movable cage plate 19 is fixed
Connecting seat 20 is installed, the top of connecting seat 20 is installed with connecting rod 21, and side of the connecting rod 21 away from left risers 10 is consolidated
Dingan County is equipped with the electric pushrod 22 on the left side wall of right risers 16, and electric pushrod 22 is driven by connecting seat 20 and connecting rod 21
Second movable cage plate 19 moves back and forth in the horizontal direction, realizes fixed cage plate 17, the first movable movable sleeve of cage plate 18 and second
Automatic contraction or expansion between plate 19, it is very convenient, display screen 23, display screen 23 are installed with the right side wall of housing 2
It is embedded on the right side wall of housing 2, the surface of housing 2 offers the groove being adapted with display screen 23, and display screen 23 is liquid crystal
High-definition display screen.
The output end of weight sensor 6 electrically connects with the input of single-chip microcomputer 24, the model stc89c52 of single-chip microcomputer 24,
Single-chip microcomputer 24 with computing module 25 is two-way electrically connects, single-chip microcomputer 24 with memory module 26 is two-way electrically connects, the input of single-chip microcomputer 24
End electrically connects with the output end of power module 27, and the output end of single-chip microcomputer 24 electrically connects with the input of display screen 23.
A kind of detection method of soil moisture detection device, including following methods:If the first step takes the soil of dry weight, and
Soil is placed on to the surface of weight bearing foundation 7, weight sensor 6 records the weight that now bearing column 5 is born.
Heating tube 9 is powered by second step, the soil on the surface of weight bearing foundation 7 is dried, while motor 12 starts
Rotating shaft 14 is driven to rotate, helical blade 15 is rotated with rotating shaft 14 and stirred to the soil on the surface of weight bearing foundation 7 so that soil dries
Do uniformly and accelerate the drying rate of soil, electric pushrod 22 passes through connecting rod 21 and connecting seat 20 drives the second movable cage plate
19 from right toward left movement so that the second movable cage plate 19 deploys with the first movable cage plate 18, plays the effect of blocking, avoids soil from existing
It is carried over during stirring, it is ensured that the accuracy of measurement.
During drying, the moisture of soil is reduced 3rd step therewith, when bearing column 5 weight born also therewith
Reduce, observation weight sensor 6 numerical value be constantly reduced to numerical value it is constant when, determine that the moisture in soil all dries
Dry blowing distributes into, the record data that now weight sensor 6 is drawn, and is calculated by computing module 25, computing module 25
Computational methods be:
Soil moisture content=[the weight that the weight that bearing column 5 is born before drying-drying rear load-bearing pillar 5 is born
Amount]/pedotheque weight * 100%
4th step is shown the result that computing module 25 is calculated by display screen 23.
The electric elements occurred in this article electrically connect with the main controller and 220V civil powers in the external world.
In summary, the soil moisture detection device and its detection method, by setting heating tube 9, the side of energization of heating tube 9
Just the pedotheque on weight bearing foundation 7 is dried, the water content at detection in pedotheque, by setting rotating vane
15, motor 12, which starts, drives rotating shaft 14 to rotate, and helical blade 15 rotates the soil to the surface of weight bearing foundation 7 with rotating shaft 14
Sample is stirred so that the moisture drying in pedotheque is more uniform, while accelerates the drying speed of moisture in pedotheque
Degree, be advantageous to save drying detection time, by setting fixed cage plate 17, the first movable 18 and second movable cage plate 19 of cage plate,
Be to be flexibly connected between fixed cage plate 17, the first movable 18 and second movable cage plate 19 of cage plate, can to fix cage plate 17,
Shrink or deploy between first movable 18 and second movable cage plate 19 of cage plate, barrier effect is played to pedotheque from top, kept away
Exempt from soil to be carried over during stirring, ensure that the gross weight of pedotheque does not produce change, advantageously ensure that soil surveying
Accuracy, by setting electric pushrod 22, electric pushrod 22 drives the second movable cage plate 19 by connecting seat 20 and connecting rod 21
Move back and forth in the horizontal direction, realize automatic between fixed cage plate 17, the first movable 18 and second movable cage plate 19 of cage plate
Shrink or deploy, it is very convenient, solve current existing soil moisture detection device when being detected to soil moisture content,
Detection efficiency is relatively low, and the error detected is larger, is unfavorable for accurately measuring out soil moisture content, can not be agricultural production
The problem of accurately science data are supported is provided.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.