CN109459333A - Portable soil water content and bulk density measuring device and soil moisture content and bulk density measurement method - Google Patents
Portable soil water content and bulk density measuring device and soil moisture content and bulk density measurement method Download PDFInfo
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- CN109459333A CN109459333A CN201810993945.6A CN201810993945A CN109459333A CN 109459333 A CN109459333 A CN 109459333A CN 201810993945 A CN201810993945 A CN 201810993945A CN 109459333 A CN109459333 A CN 109459333A
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- bulk density
- measuring device
- water content
- soil
- cutting ring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/14—Rainfall or precipitation gauges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
- G01N22/04—Investigating moisture content
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/221—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance by investigating the dielectric properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/10—Different kinds of radiation or particles
- G01N2223/101—Different kinds of radiation or particles electromagnetic radiation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/60—Specific applications or type of materials
- G01N2223/633—Specific applications or type of materials thickness, density, surface weight (unit area)
Abstract
The invention discloses a kind of portable soil water content and bulk density measuring device and soil moisture content and bulk density measurement method, portable soil water content and bulk density measuring device include: soil water meauring device, soil weight measuring device, pedestal and the cutting ring for taking soil；Soil water meauring device includes: two for detecting the UWB sensor of soil moisture content；Two UWB sensors are located at the two sides of cutting ring；Soil weight measuring device includes: cutting ring rack and weight sensor；Cutting ring rack is formed with the placing groove for placing cutting ring；Cutting ring rack is fixed to weight sensor；Weight sensor is fixed to pedestal；Pedestal is equipped with the touch screen for inputting parameter for user and capable of showing measurement result.The invention has the beneficial effects that the bulk density of the water content and soil in soil can be accurately measured.
Description
Technical field
The present invention relates to a kind of portable soil water content and bulk density measuring device and soil moisture content and bulk density measurement sides
Method.
Background technique
Soil moisture content generally refers to soil absolute water content, i.e. contains several grams of moisture in 100g drying soil, also referred to as native
Earth moisture content.Measurement soil moisture content can grasp crop and need situation to water, there is critically important directive significance to agricultural production.
Soil moisture content is generally measured using weighting method after dried, specifically there is insulating box oven drying method, alcohol combustion method, infrared baking method
Deng.The drying equipment that existing weighting method after dried is needed in measurement is inconvenient to carry.In measurement, wanted after staff's sampling
The soil of acquisition is transported to drying equipment to dry, will cause soil moisture evaporation on the way so that measurement carrying
As a result there is different degrees of error.
Summary of the invention
To solve the deficiencies in the prior art, the purpose of the present invention is to provide a kind of Packed measurement spaces of tool simultaneously can be more
Portable soil water content and bulk density measuring device that orientation accurately measures and the measurement method using the device.
In order to achieve the above objectives, the present invention adopts the following technical scheme that:
A kind of portable soil water content and bulk density measuring device, comprising: soil water meauring device, soil weight are surveyed
Amount device, pedestal and the cutting ring for taking soil；Soil water meauring device includes: two for detecting soil moisture content
UWB sensor；Two UWB sensors are located at the two sides of cutting ring；Soil weight measuring device includes: that cutting ring rack and weight pass
Sensor；Cutting ring rack is formed with the placing groove for placing cutting ring；Cutting ring rack is fixed to weight sensor；Weight sensor is solid
Determine to pedestal；Pedestal is equipped with the touch screen for inputting parameter for user and capable of showing measurement result.
Further, portable soil water content and bulk density measuring device further include: adjust two UWB sensors respectively
Two self-checking devices of position；Self-checking device includes: to move horizontally motor, vertical moving motor, guiding rib group,
One movable part, the first screw rod, the second screw rod, leading truck and the second movable part；Guiding rib group includes two the first movable parts of guiding
The guiding rib of movement；Two guiding ribs are fixed to pedestal；The first movable part of guiding is formed between two guiding ribs the bottom of relative to
First guide channel of seat movement；It moves horizontally motor and is fixed to pedestal；The first screw rod of motor driven is moved horizontally around first axle
Line rotation；First movable part is by screw thread and the cooperation of the first screw rod thus by the first screw drive relative to pedestal along first axle
Direction movement；Vertical moving motor drives the second screw rod to rotate around second axis；Vertical moving motor and leading truck are fixed to
One movable part；Leading truck is formed with the second guide channel that the second movable part of guiding is moved relative to the first movable part；It is vertical to move
Dynamic the second screw rod of motor driven rotation；Second movable part is cooperated by screw thread with the second screw rod to opposite by the second screw drive
It is moved in the first movable part along second axis direction；Second axis is perpendicular to first axle；UWB sensor is installed to the second activity
Part.
Further, portable soil water content and bulk density measuring device further include adjusting UWB sensor relative to second
The Manual micromatic device of movable part position；Manual micromatic device includes: laser emitter, laser irradiation target, transmitter rack, target
Bracket, third screw rod, sensor fixation plate, connecting plate, adjusts bolt, spring and nut at movable block；Laser emitter is fixed to
Transmitter rack；Laser irradiation target is fixed to target bracket；Transmitter rack and target bracket are individually secured to two the second movable parts；
UWB sensor is fixed to sensor fixation plate；Second movable part is formed with sliding slot；Movable block moves in sliding slot；Adjust bolt
With the second movable part by being threadedly engaged；Bolt one end is adjusted to contact with movable block；Adjust bolt and spring contact activity respectively
The both ends of block；Movable block is formed with through-hole；Third screw rod passes through through-hole；Nut and third screw rod are by being threadedly engaged；Connecting plate
Both ends be fixed to third screw rod and sensor fixation plate；Connecting plate and nut are located at the two sides of the second movable part.
Further, spring is compressed spring；Spring is located in sliding slot；The both ends of spring contact respectively sliding slot cell wall and
Movable block.
Further, sensor fixation plate is bonded the second movable part and can move relative to the second movable part.
Further, cutting ring rack includes: the end face portion of limitation ring cutter position and the side surface part for forming placing groove；Two
End face portion is connected to the two sides of side surface part；The outer circle wall of cutting ring is bonded with the wall of placing groove；The end face of cutting ring and end face portion are pasted
It closes.
Further, the height of end face portion is less than the height of side surface part；The groove depth of placing groove is less than or equal to the radius of cutting ring.
Further, portable soil water content and bulk density measuring device further include: circuit board and rechargeable battery；Circuit
Plate is equipped with MCU chip；Rechargeable battery is that UWB sensor and weight sensor are powered；Pedestal is formed with accommodating chamber；Chargeable electricity
Pond and circuit board are located in accommodating chamber.
Further, portable soil water content and bulk density measuring device further include: protective housing and removable cover；Protective housing peace
Pedestal is filled to mulching soil moisture measurement device, soil weight measuring device and cutting ring；Removable cover is slidingly attached to protect
Case.
Further, using above-described portable soil water content and bulk density measuring device；Utilize portable soil
The cutting ring sample sample of water content and bulk density measuring device；Cutting ring with soil sample is placed into portable soil water content and bulk density
In the placing groove of measuring device；Touch screen shows the water content and bulk density of soil sample.
Invention has the beneficial effect that portable soil water content and bulk density measuring device can accurately be surveyed in multiple positions
Measure water content and bulk density in soil.Soil moisture content and the test of bulk density measurement method for using the device instead are accurate.
Detailed description of the invention
Fig. 1 is the schematic diagram of a kind of portable soil water content and bulk density measuring device；
Fig. 2 is the schematic diagram of structure in the protective housing of portable soil water content and bulk density measuring device in Fig. 1；
Fig. 3 is the top view of structure in the protective housing of portable soil water content and bulk density measuring device in Fig. 1；
Fig. 4 is the explosive view of structure in the protective housing of portable soil water content and bulk density measuring device in Fig. 1；
Fig. 5 is the schematic diagram of the self-checking device structure of portable soil water content and bulk density measuring device in Fig. 1, is shown
One end that the first movable part is moved to the first guide channel is gone out；
Fig. 6 is that another of the self-checking device structure of portable soil water content and bulk density measuring device shows in Fig. 1
It is intended to, shows the first movable part and be moved to the position far from first guide channel one end；
Fig. 7 is that the part-structure of the self-checking device of portable soil water content and bulk density measuring device shows in Fig. 1
It is intended to figure；
Fig. 8 is the schematic diagram of the Manual micromatic device structure of portable soil water content and bulk density measuring device in Fig. 1, is shown
Go out third screw rod to adjust to some position；
Fig. 9 is that another of the Manual micromatic device structure of portable soil water content and bulk density measuring device shows in Fig. 1
It is intended to, shows third screw rod and adjust to another position；
Figure 10 is the front view of the Manual micromatic device structure of portable soil water content and bulk density measuring device in Fig. 1；
Figure 11 is the explosive view of the Manual micromatic device structure of portable soil water content and bulk density measuring device in Fig. 1.
Specific embodiment
Specific introduce is made to the present invention below in conjunction with the drawings and specific embodiments.
As shown in Figure 1 to 11, a kind of portable soil water content and bulk density measuring device 100, comprising: soil moisture content
Measuring device 101, soil weight measuring device 102, pedestal 103 and the cutting ring 104 for taking soil；Soil water meauring device
101 include: two for detecting the UWB sensor 105 of soil moisture content；Two UWB sensors 105 are located at the two of cutting ring 104
Side；Soil weight measuring device 102 includes: cutting ring rack 106 and weight sensor 107；Cutting ring rack 106, which is formed with, to be put
Set the placing groove 108 of cutting ring 104；Cutting ring rack 106 is fixed to weight sensor 107；Weight sensor 107 is fixed to pedestal
103；Pedestal 103 is equipped with the touch screen 110 for inputting parameter for user and capable of showing measurement result.
As a preferred embodiment, portable soil water content and bulk density measuring device 100 further include: adjust respectively
Save two self-checking devices 111 of the position of two UWB sensors 105；Self-checking device 111 includes: to move horizontally electricity
Machine 112, vertical moving motor 113, guiding rib group 114, the first movable part 115, the first screw rod 116, the second screw rod 117, guiding
Frame 118 and the second movable part 119；Guiding rib group 114 includes the guiding rib 120 of two guiding the first movable part 115 movements；Two
Guiding rib 120 is fixed to pedestal 103；The first movable part 115 of guiding is formed between two guiding ribs 120 relative to pedestal 103
First guide channel 121 of movement；It moves horizontally motor 112 and is fixed to pedestal 103；It moves horizontally motor 112 and drives the first spiral shell
Bar 116 is rotated around first axle 122；First movable part 115 is by screw thread and the cooperation of the first screw rod 116 to by the first screw rod
116 drivings are moved relative to pedestal 103 along 122 direction of first axle；Vertical moving motor 113 drives the second screw rod 117 around the
The rotation of two axis 109；Vertical moving motor 113 and leading truck 118 are fixed to the first movable part 115；Leading truck 118, which is formed with, leads
The second guide channel 123 moved to the second movable part 119 relative to the first movable part 115；The driving of vertical moving motor 113 the
The rotation of two screw rods 117；Second movable part 119 is by screw thread and the cooperation of the second screw rod 117 to be driven relatively by the second screw rod 117
It is moved in the first movable part 115 along 109 direction of second axis；Second axis 109 is perpendicular to first axle 122；UWB sensor
105 installations to the second movable part 119.
As a preferred embodiment, portable soil water content and bulk density measuring device 100 further include adjusting UWB
Manual micromatic device 124 of the sensor 105 relative to 119 position of the second movable part；Manual micromatic device 124 includes: laser hair
Emitter 125, laser irradiation target 126, transmitter rack 127, target bracket 128, movable block 129, third screw rod 130, sensor are solid
Fixed board 131, adjusts bolt 133, spring 134 and nut 135 at connecting plate 132；Laser emitter 125 is fixed to transmitter rack
127；Laser irradiation target 126 is fixed to target bracket 128；Transmitter rack 127 and target bracket 128 are individually secured to two second work
Moving part 119；UWB sensor 105 is fixed to sensor fixation plate 131；Second movable part 119 is formed with sliding slot 136；Movable block
129 move in sliding slot 136；Bolt 133 is adjusted with the second movable part 119 by being threadedly engaged；Adjust 133 one end of bolt and work
Motion block 129 contacts；It adjusts bolt 133 and spring 134 contacts the both ends of movable block 129 respectively；Movable block 129 is formed with through-hole
137；Third screw rod 130 passes through through-hole 137；Nut 135 and third screw rod 130 are by being threadedly engaged；The both ends of connecting plate 132 are solid
Determine to third screw rod 130 and sensor fixation plate 131；Connecting plate 132 and nut 135 are located at the two sides of the second movable part 119.
As a preferred embodiment, spring 134 is compressed spring；Spring 134 is located in loose slot；Spring 134
Both ends contact the cell wall and movable block 129 of loose slot respectively.
As a preferred embodiment, sensor fixation plate 131 is bonded the second movable part 119 and can be relative to second
Movable part 119 moves.
As a preferred embodiment, cutting ring rack 106 includes: 138 He of end face portion for limiting 104 position of cutting ring
Form the side surface part 139 of placing groove 108；Two end face portions 138 are connected to the two sides of side surface part 139；The outer circle wall of cutting ring 104
It is bonded with the wall of placing groove 108；The end face 140 of cutting ring 104 is bonded with end face portion 138.
As a preferred embodiment, the height of end face portion 138 is less than the height of side surface part 139；Placing groove 108
Groove depth is less than or equal to the radius of cutting ring 104.
As a preferred embodiment, portable soil water content and bulk density measuring device 100 further include: circuit board
141 and rechargeable battery 142；Circuit board 141 is equipped with MCU chip 143；Rechargeable battery 142 is UWB sensor 105 and weight
Sensor 107 is powered；Pedestal 103 is formed with accommodating chamber；Rechargeable battery 142 and circuit board 141 are located in accommodating chamber.
As a preferred embodiment, portable soil water content and bulk density measuring device 100 further include: protective housing
145 and removable cover 146；The installation of protective housing 145 is measured to pedestal 103 with mulching soil moisture measurement device 101, soil weight
Device 102 and cutting ring 104；Removable cover 146 is slidingly attached to protective housing 145.
As a preferred embodiment, using above-described portable soil water content and bulk density measuring device
100；Utilize portable soil water content and 104 soil sampling of cutting ring of bulk density measuring device 100；The cutting ring 104 of soil sample will be had
It is placed into the placing groove 108 of portable soil water content and bulk density measuring device 100；Touch screen 110 shows the aqueous of soil sample
Amount and bulk density.
Working principle: the cutting ring 104 of portable soil water content and bulk density measuring device 100 is at tubulose and has and can hold
Receive the centre bore of sample soil.Two UWB sensors 105 are located at the both ends of the two sides of cutting ring 104 and direction and aligned central aperture.
User can input different parameters by touch screen 110, such as when selecting the cutting ring 104 of different model and weight
The input of the model parameter and weight parameter of cutting ring 104 can be uploaded in MCU chip 143 to carry out by touch screen 110
It calculates.The measurement data and calculated result of portable soil water content and bulk density measuring device 100 are shown in touch screen 110
On, it is read for user.
When using portable soil water content and bulk density measuring device 100 for the first time, weight sensor 107 will not grab sample
The weight of cutting ring 104 and cutting ring rack 106 when native measures and the data of measurement is transferred to MCU chip 143.MCU
Chip 143 is recorded the data that weight sensor 107 uploads as primary data and when each measurement afterwards by this
Primary data zero.After cutting ring 104, which grabs sample soil, to be placed on cutting ring rack 106, MCU chip 143 is by 104 He of cutting ring
The weight data of cutting ring rack 106 is zeroed so that the data that weight sensor 107 measures are the weight of sample soil.With
This, it is not necessary to it requires to carry out hand to the weight of cutting ring 104 and cutting ring rack 106 when measuring soil moisture content and bulk density every time
Dynamic zero.It can be reset by touch screen 110 when needing to be modified primary data.
As the use of UWB sensor, it is generally used to detecting distance.Further, it is possible to be realized by multiple space lengths
Space orientation.The element task principle of UWB sensor is using flight time telemetry.Flight time telemetry mainly utilizes letter
Flight time carrys out the distance between measuring node number between two asynchronous receiver-transmitters.The two-way each module of time-of-flight method is from starting
Start generate an independent timestamp.The pulse of Ta1 transmitting request property of the transmitter of modules A on its timestamp
Signal, module B emit the signal of a response property at the Tb2 moment, by modules A in oneself time stamp T a2 reception.By
This can calculate the flight time of pulse signal between two modules, so that it is determined that flying distance S.
Distance: S=C [(Ta2-Ta1)-(Tb2-Tb1)] (C is the light velocity).
The application using the electromagnetic wave different principle of spread speed in different media, using traditional UWB sensor as
A kind of new usage mode is placed into the two sides of object under test, and medium directly affects the detection data of UWB sensor, or
Say that the data of UWB sensor detection are influenced by the medium that electromagnetic wave is passed through.The electromagnetic wave of UWB sensor release has passed through soil
Earth, heterogeneity accounting directly affects the transmission speed of electromagnetic wave in soil, to influence the measurement data of UWB sensor.
Electromagnetic wave is emitted to UWB sensor 105 and penetrates soil pattern.The dielectric constant of different medium is different, and electromagnetic wave exists
Transmission speed in different medium is different.The dielectric constant of common medium can refer to following table.
The dielectric constant table of common vehicle
| Media name | Dielectric constant | Media name | Dielectric constant |
| Air | 1 | Dry coal dust | 2.2 |
| Washing powder | 1.1~1.3 | Gypsum | 1,8~2.5 |
| Liquid coal gas | 1.2~1.7 | Edible oil | 2~4 |
| Plastic pellet | 1.5~2 | Grain | 2.5~4.5 |
| Sheet glass | 1.2~2.2 | It is dry husky | 3~4 |
| Milk powder | 1.8~2.2 | Pitch | 4~5 |
| Gasoline | 1.9 | Cement | 4~6 |
| Ring ethyl alcohol | 2 | Methyl ether | 5 |
| Diesel oil | 2.1 | Butanol | 11 |
| Dry coal dust | 2.2 | Water | 81 |
In each constituent for forming soil, it is sandy soil and air that the dielectric constant of water, which is much larger than,.That is, water contains
Amount number will affect the transmission speed and the rate of decay of electromagnetic wave in the soil.Since the dielectric constant of water is sandy soil and air
Tens times, soil depends primarily on the more of water content as a kind of mixture, to electromagnetic transmission speed and the rate of decay
It is few.The data that water content and UWB sensor 105 measure in soil are linear.Such as soil moisture content data are set as Y, UWB
The measurement data of sensor 105 is set as X.It can be indicated with formula Y=aX+b.A and b is constant coefficient.
The weight that weight sensor detects is the weight of soil, by the water content data and soil in soil
Weight data is calculated, the total weight of soil multiplied by the water in the water content i.e. soil weight.The total weight of soil subtracts
The weight of water is then the dry weight of soil.The dry weight of soil is then the bulk density of soil divided by the total weight of soil.Touch-control screen display
The bulk density and water content of soil are read for staff.
When portable soil water content and bulk density measuring device 100 measure, self-checking device 111 starts.The
One movable part 115 and the first screw rod 116 are by being threadedly engaged.Moving horizontally motor 112 drives the first screw rod 116 around first axle
122 rotations are to drive the first movable part 115 to move horizontally on 122 direction of first axle.UWB sensor 105 is connected to
Two movable parts 119.Second movable part 119 is socketed on vertical moving motor 113 by the second screw rod 117.Vertical moving motor 113
It is fixed on the first movable part 115.So the first movable part 115 drives UWB sensor 105 in the water for being parallel to first axle 122
It square moves up to realize the automatic adjustment of UWB sensor 105 in the horizontal direction.
Second movable part 119 drives the second spiral shell in vertical moving motor 113 by screw thread and the cooperation of the second screw rod 117
Bar 117 drives the second movable part 119 on 109 direction of second axis relative to the second screw rod 117 when rotating around second axis 109
It moves up and down.Second movable part 119 drive UWB sensor 105 moved up and down on the direction for being parallel to second axis 109 to
Realize the automatic adjustment of UWB sensor 105 in vertical direction.
After self-checking device 111 is realized and adjusted, the relative position of two UWB sensors 105 and expected position can
There is a certain error for energy.Manual micromatic device 124 can carry out trace regulation to the position of UWB sensor 105 to realize
Utmostly reduce measurement error.
UWB sensor 105 is fixedly attached to third screw rod 130 by connecting plate 132.Third screw rod 130 passes through movable block
129 through-hole 137 is cooperated by screw thread and nut 135.Manually adjust nut 135 can drive third screw rod 130 perpendicular to
It moves up and down to drive UWB sensor 105 to follow up and down by connecting plate 132 relative to nut 135 on the direction of nut 135
It is mobile.The manual fine-tuning to UWB sensor 105 in vertical direction is realized with this.
Movable block 129 in sliding slot 136, which is located at, to be adjusted between bolt 133 and spring 134.Tune when rotation adjusts bolt 133
It is opposite to the elastic force of the application of movable block 129 after thrust and the compression of spring 134 that one end of section bolt 133 applies movable block 129.
One end that bolt 133 is adjusted when rotation adjusts bolt 133 is greater than spring 134 to movable block to the thrust that movable block 129 applies
When 129 elastic force, movable block 129 drives third screw rod 130 to move horizontally to the locality of spring 134.When rotation adjusts spiral shell
When one end of adjusting bolt 133 is less than elastic force of the spring 134 to movable block 129 to the thrust that movable block 129 applies when bolt 133,
Movable block 129 drives third screw rod 130 to move horizontally to the locality for adjusting bolt 133.It is realized with this to UWB sensor
105 manual fine-tuning in vertical direction.
Laser emitter 125 is fixed to a UWB sensor 105.Laser irradiation target is fixed to another UWB sensor
105.Then indicate that two UWB sensors are in when the light that laser emitter 125 issues is irradiated to the target center of laser irradiation target
The position being oppositely arranged.The light that laser emitter 125 issues can assist user to adjust relative to the position of laser irradiation target
Manual micromatic device 124 ensure that the accuracy of measurement to which two UWB sensors are adjusted to opposite position.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the above embodiments do not limit the invention in any form, all obtained by the way of equivalent substitution or equivalent transformation
Technical solution is fallen within the scope of protection of the present invention.
Claims (10)
1. a kind of portable soil water content and bulk density measuring device characterized by comprising soil water meauring device,
Soil weight measuring device, pedestal and the cutting ring for taking soil；The soil water meauring device includes: two for detecting
The UWB sensor of soil moisture content；Two UWB sensors are located at the two sides of the cutting ring；The soil weight measurement dress
Set includes: cutting ring rack and weight sensor；The cutting ring rack is formed with the placing groove for placing the cutting ring；The ring
Knife rack is fixed to the weight sensor；The weight sensor is fixed to the pedestal；The pedestal is equipped with for user
Input parameter and the touch screen that can show measurement result.
2. portable soil water content according to claim 1 and bulk density measuring device, it is characterised in that:
The portable soil water content and bulk density measuring device further include: adjust the position of two UWB sensors respectively
Two self-checking devices；The self-checking device includes: to move horizontally motor, vertical moving motor, guiding rib group,
One movable part, the first screw rod, the second screw rod, leading truck and the second movable part；The guiding rib group includes two guiding described the
The guiding rib of one movable part movement；Two guiding ribs are fixed to the pedestal；It is formed with and leads between two guiding ribs
The first guide channel to first movable part relative to the base motions；The motor that moves horizontally is fixed to the bottom
Seat；It is described to move horizontally the first screw rod described in motor driven around first axle rotation；First movable part passes through screw thread and institute
The cooperation of the first screw rod is stated to be moved relative to the pedestal along first axle direction by first screw drive；It is described vertical
Mobile motor drives second screw rod to rotate around second axis；The vertical moving motor and the leading truck are fixed to described
First movable part；The leading truck is formed with guiding second movable part and second leads relative to what first movable part moved
To channel；The vertical moving motor drives the second screw rod rotation；Second movable part passes through screw thread and described second
Screw rod cooperation relative to first movable part by second screw drive along second axis direction to be moved；Described second
Axis is perpendicular to the first axle；The UWB sensor is installed to second movable part.
3. portable soil water content according to claim 2 and bulk density measuring device, it is characterised in that:
The portable soil water content and bulk density measuring device further include adjusting the UWB sensor relative to the second movable part
The Manual micromatic device of position；The Manual micromatic device includes: laser emitter, laser irradiation target, transmitter rack, target branch
Frame, third screw rod, sensor fixation plate, connecting plate, adjusts bolt, spring and nut at movable block；The laser emitter is fixed
To the transmitter rack；The laser irradiation target is fixed to the target bracket；The transmitter rack and the target bracket point
It is not fixed to two second movable parts；The UWB sensor is fixed to the sensor fixation plate；Second movable part
It is formed with sliding slot；The movable block moves in the sliding slot；The adjusting bolt is matched with second movable part by screw thread
It closes；Described adjusting bolt one end is contacted with movable block；The adjusting bolt and the spring contact the two of the movable block respectively
End；The movable block is formed with through-hole；The third screw rod passes through the through-hole；The nut and the third screw rod pass through spiral shell
Line cooperation；The both ends of the connecting plate are fixed to the third screw rod and the sensor fixation plate；The connecting plate and described
Nut is located at the two sides of second movable part.
4. portable soil water content according to claim 3 and bulk density measuring device, it is characterised in that:
The spring is compressed spring；The spring is positioned in the chute；The both ends of the spring contact the sliding slot respectively
Cell wall and the movable block.
5. portable soil water content according to claim 3 and bulk density measuring device, it is characterised in that:
The sensor fixation plate is bonded second movable part and can move relative to second movable part.
6. portable soil water content according to claim 1 and bulk density measuring device, it is characterised in that:
The cutting ring rack includes: the end face portion for limiting the cutting ring position and the side surface part for forming the placing groove；Two
The end face portion is connected to the two sides of the side surface part；The outer circle wall of the cutting ring is bonded with the wall of the placing groove；It is described
The end face of cutting ring is bonded with the end face portion.
7. portable soil water content according to claim 6 and bulk density measuring device, it is characterised in that:
The height of the end face portion is less than the height of the side surface part；The groove depth of the placing groove is less than or equal to the half of the cutting ring
Diameter.
8. portable soil water content according to claim 1 and bulk density measuring device, it is characterised in that:
The portable soil water content and bulk density measuring device further include: circuit board and rechargeable battery；The circuit board is set
There is MCU chip；The rechargeable battery is that the UWB sensor and the weight sensor are powered；The pedestal is formed with appearance
Receive chamber；The rechargeable battery and the circuit board are located in the accommodating chamber.
9. portable soil water content according to claim 1 and bulk density measuring device, it is characterised in that:
The portable soil water content and bulk density measuring device further include: protective housing and removable cover；The protective housing install to
The pedestal is to cover the soil water meauring device, the soil weight measuring device and the cutting ring；The activity
Lid is slidingly attached to the protective housing.
10. a kind of soil moisture content and bulk density measurement method, it is characterised in that:
Using portable soil water content as claimed in any one of claims 1 to 9 and bulk density measuring device；Using it is described just
Take the cutting ring sample sample of formula soil moisture content and bulk density measuring device；Cutting ring with soil sample is placed into the portable soil
In the placing groove of water content and bulk density measuring device；The touch screen shows the water content and bulk density of soil sample.
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| CN201810593286 | 2018-06-08 | ||
| CN2018105932867 | 2018-06-08 |
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| CN201810993944.1A Active CN109470721B (en) | 2018-06-08 | 2018-08-29 | Soil detection device and soil water content and volume weight detection method |
| CN201810993945.6A Active CN109459333B (en) | 2018-06-08 | 2018-08-29 | Portable soil water content and volume weight measuring device and soil water content and volume weight measuring method |
| CN201811325378.3A Active CN109557112B (en) | 2018-06-08 | 2018-11-08 | Grain water content measuring device and grain water content measuring method |
| CN201811324905.9A Active CN109540928B (en) | 2018-06-08 | 2018-11-08 | Plant density measuring device and plant density measuring method |
| CN201811336194.7A Pending CN109633787A (en) | 2018-06-08 | 2018-11-08 | Precipitation guide line measuring device |
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| CN201810993944.1A Active CN109470721B (en) | 2018-06-08 | 2018-08-29 | Soil detection device and soil water content and volume weight detection method |
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| CN201811325378.3A Active CN109557112B (en) | 2018-06-08 | 2018-11-08 | Grain water content measuring device and grain water content measuring method |
| CN201811324905.9A Active CN109540928B (en) | 2018-06-08 | 2018-11-08 | Plant density measuring device and plant density measuring method |
| CN201811336194.7A Pending CN109633787A (en) | 2018-06-08 | 2018-11-08 | Precipitation guide line measuring device |
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| CN114371099A (en) * | 2021-12-30 | 2022-04-19 | 牧原食品股份有限公司 | Method, device and readable storage medium for acquiring solid manure volume weight of poultry manure |
| WO2024021991A1 (en) * | 2022-07-26 | 2024-02-01 | 比亚迪股份有限公司 | Vehicle control method, vehicle, and storage medium |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109633787A (en) | 2019-04-16 |
| CN109557112B (en) | 2020-08-28 |
| CN109540928B (en) | 2020-08-28 |
| CN109459333B (en) | 2020-10-02 |
| CN109470721A (en) | 2019-03-15 |
| CN109557112A (en) | 2019-04-02 |
| CN109470721B (en) | 2020-11-03 |
| CN109540928A (en) | 2019-03-29 |
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