CN107703160A - Combine grain moisture content and unit weight on-line measuring device - Google Patents
Combine grain moisture content and unit weight on-line measuring device Download PDFInfo
- Publication number
- CN107703160A CN107703160A CN201710794500.0A CN201710794500A CN107703160A CN 107703160 A CN107703160 A CN 107703160A CN 201710794500 A CN201710794500 A CN 201710794500A CN 107703160 A CN107703160 A CN 107703160A
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- Prior art keywords
- unit
- microwave
- moisture content
- material collection
- grain moisture
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- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/62—Over or under weighing apparatus
Abstract
A kind of combine grain moisture content and unit weight on-line measuring device, including：Material collection case, material rotating unit, weighing unit and microwave detecting unit, wherein：Material collection box top and bottom are respectively equipped with charging aperture and discharging opening, the material rotating unit rotated around own axes is provided with material collection case, material rotating unit is circumferentially evenly equipped with some storing passages, the measurement end of weighing unit is arranged on material rotating unit bottom, microwave detecting unit shifts to install with weighing unit, and the Microwave emission end and microwave receiving end of microwave detecting unit are coaxially disposed, are individually fixed in material collection box top and bottom；Described discharging opening, storing passage, weighing unit measurement end, Microwave emission end and the central axis at microwave receiving end are concyclic.The present invention can carry out real-time online detection to grain moisture content and cereal unit weight, improve accuracy and reliability that cereal space distribution information figure is drawn.
Description
Technical field
The present invention relates to a kind of technology in agricultural product automatic detection field, specifically a kind of combine cereal
Moisture and unit weight on-line measuring device.
Background technology
It is using modern organization management method tissue agricultural that cereal space distribution information is obtained in the development of modern agriculture
The premise of production and basis.Current cereal space distribution information is main logical such as the unit weight of cereal and the moisture of cereal
Artificial spot sampling is crossed, is then measured respectively, the space distribution information of cereal is finally drawn out further according to the data measured
Figure.Many restriction conditions be present in this method：First, live spot sampling inconvenience is, it is necessary to carry substantial amounts of detection device；2nd,
Using manual sampling, sampling number is restricted, and sample number is less, the bad control of sampling frequency, and is difficult to measurement result
It is corresponding with farmland geographical location information；3rd, using Traditional Man sampling method to large-scale farmland measure needs undergo compared with
For a long time, due to the change of various factors in measurement process, it is difficult to obtain more accurate cereal space distribution information figure.
The content of the invention
The present invention is relatively low for prior art automaticity, the defects of grain moisture unit weight can not be realized while measured,
A kind of combine grain moisture content and unit weight on-line measuring device are proposed, can be to grain moisture content and cereal
Unit weight carries out real-time online detection, improves accuracy and reliability that cereal space distribution information figure is drawn.
The present invention is achieved by the following technical solutions：
The present invention includes：Material collection case, material rotating unit, weighing unit and microwave detecting unit, wherein：Material is received
Charging aperture and discharging opening are respectively equipped with the top and bottom of header, the material rotated around own axes is provided with material collection case and is rotated
Unit, material rotating unit are circumferentially evenly equipped with some storing passages, and the measurement end of weighing unit is arranged on material rotating unit bottom
Portion, microwave detecting unit are shifted to install with weighing unit, and the Microwave emission end and microwave receiving end of microwave detecting unit are coaxially set
Put, be individually fixed in material collection box top and bottom；
Described discharging opening, storing passage, weighing unit measurement end, Microwave emission end and the central axis at microwave receiving end
It is concyclic.
Cross section, the cross section of storing passage and the shape of cross section of discharging opening of described charging aperture match, and
Size is incremented by successively.
Described weighing unit includes：Upper support plate, gravity sensor and fixed plate, wherein：Upper support plate is as measurement end water
Flat to be arranged on material rotating unit bottom in material collection case, fixed plate is fixed on material collection case exterior bottom and upper support plate
It is coaxially disposed, gravity sensor is fixed between upper support plate and fixed plate.
Preferably, it is bolted between described upper support plate and fixed plate and gives gravity sensor certain pretension
Power.
Described material rotating unit is provided with motor, and different motor speeds controls different sample frequencys.
The gap of described material rotating unit and material collection tank shell is less than 0.5mm.
Described microwave detecting unit is equipped with the anti-scattered device of microwave at Microwave emission end and microwave receiving end.
Preferably, described material collection case is arranged on the corn lifting device front end of united reaper.
Technique effect
Compared with prior art, the present invention carries out fixed cycle automatic sampling to the cereal of collection, and the sampling period is controllable, effectively
Ground solves obtains the problems such as sample number is less, sampling frequency is uncontrollable, and sampled data and farmland using artificial spot sampling
Geographical location information is corresponding, hereby it is possible to draw out accurate cereal space distribution information figure, overcomes artificial carry largely
The problems such as inconvenience and measurement data of the detection device to Site Detection sample possibly can not match with farmland geographical location information；
The moisture and unit weight of cereal are measured during united reaper harvesting grain simultaneously, can be in a short time
The cereal space distribution information of large area is obtained, avoids the factors such as environmental change from being done to obtaining cereal space distribution information
Disturb, further increasing the accuracy and reliability of cereal space distribution information figure drafting.
Brief description of the drawings
Fig. 1 is the overall structure front view of the present invention；
Fig. 2 is the upward view of the present invention；
Fig. 3 is the top view of material rotating unit in the present invention；
Fig. 4 is the structural representation of weighing unit in the present invention；
Fig. 5 is the overall structure left view of the present invention；
In figure：Material collection case 1, material rotating unit 2, weighing unit 3, microwave detecting unit 4, charging aperture 11, discharging
Mouthfuls 12, storing passage 21, motor 22, upper support plate 31, gravity sensor 32, fixed plate 33, bolt 34, Microwave emission end 41, micro-
The anti-scattered device 43 of ripple receiving terminal 42, microwave.
Embodiment
As shown in Figure 1, Figure 2 with shown in Fig. 5, the present embodiment includes：Material collection case 1, material rotating unit 2, the and of weighing unit 3
Microwave detecting unit 4, wherein：The top and bottom of material collection case 1 are respectively equipped with charging aperture 11 and discharging opening 12, material collection case
The material rotating unit 2 rotated around own axes is provided with 1, material rotating unit 2 is circumferential to be evenly equipped with some storing passages 21, claims
The measurement end of weight unit 3 is arranged on the bottom of material rotating unit 2, and microwave detecting unit 4 shifts to install with weighing unit 3, microwave
The Microwave emission end 41 and microwave receiving end 42 of detection unit 4 are coaxially disposed, are individually fixed in the top of material collection case 1 and bottom
Portion；
Described discharging opening 12, storing passage 21, the measurement end of weighing unit 3, Microwave emission end 41 and microwave receiving end
42 central axis is concyclic.
As shown in Figure 3, it is preferable that the quantity of described storing passage 21 is 4, volume is identical, and shape of cross section is
It is square；The described shape of cross section of charging aperture 11 is identical with the shape of cross section of storing passage 21, size is less than or equal to storing passage
21 cross sectional dimensions.The described shape of cross section of discharging opening 11 is identical with the shape of cross section of storing passage 21, size is more than or equal to
The cross sectional dimensions of storing passage 21.
As shown in figure 4, described weighing unit 3 includes：Upper support plate 31, gravity sensor 32 and fixed plate 33, wherein：On
Support plate 31 is arranged on the bottom of material rotating unit 2 in material collection case 1 as measurement end, and fixed plate 33 is fixed on material collection case
1 exterior bottom, it is coaxially disposed with upper support plate 31, gravity sensor 32 is fixed between upper support plate 31 and fixed plate 33.
Preferably, connected between described upper support plate 31 and fixed plate 33 by bolt 34 and give gravity sensor 32 1
Fixed pretightning force.
Described material rotating unit 2 is provided with motor 22, and different motor speeds controls different sample frequencys.
The gap of described material rotating unit 2 and the housing of material collection case 1 is less than cereal minimum grain size.
As shown in Figure 1 and Figure 5, described microwave detecting unit 4 is equipped with Microwave emission end 41 and microwave receiving end 42
The anti-scattered device 43 of microwave.
Preferably, the material of the anti-scattered device 43 of described microwave is acrylic plastics.
At work, motor 22 drives material rotating unit 2 to be rotated in material collection case 1 to the embodiment of the present invention, first
So that some empty storing passage 21 coincide with the position of charging aperture 11, into the cereal of filling position, then united reaper harvesting
The storing passage 21 is entered by charging aperture 11；After the storing passage 21 is filled with cereal, motor 22 drives material rotating unit 2
Rotating clockwise 90 ° so that the storing passage 21 for being filled with cereal turns to position of weighing, and carrying out cereal by weighing unit 3 weighs,
Meanwhile an empty storing passage 21 enters filling position and carries out cereal collection；After completing above-mentioned operation, motor 22 drives material to turn
Moving cell 2 continues to rotate clockwise 90 °, and the storing passage 21 for completing to weigh enters water content detection position, passes through microwave detecting unit 4
Grain moisture content detection is carried out, synchronously, the storing passage 21 for being filled with cereal is weighed into position progress cereal of weighing, a sky
Storing passage 21 enter filling position carry out cereal collection；After completing above-mentioned operation, motor 22 drives material rotating unit 2 to continue
90 ° are rotated clockwise, the storing passage 21 detected by grain moisture coincide with the position of discharging opening 12, into discharge level, completes
Discharging, remaining each station synchronously complete corresponding operation；Repeat above-mentioned operation afterwards；Cereal in said process is weighed number
Computer is imported according to grain moisture detection data, cereal space distribution information can be drawn out by corresponding computer software
Figure.
Above-mentioned specific implementation can by those skilled in the art on the premise of without departing substantially from the principle of the invention and objective with difference
Mode local directed complete set is carried out to it, protection scope of the present invention is defined by claims and not by above-mentioned specific implementation institute
Limit, each implementation in the range of it is by the constraint of the present invention.
Claims (6)
1. a kind of combine grain moisture content and unit weight on-line measuring device, it is characterised in that including：Material collection
Case, material rotating unit, weighing unit and microwave detecting unit, wherein：Material collection box top and bottom are respectively equipped with charging
Mouth and discharging opening, material collection case is interior to be provided with the material rotating unit rotated around own axes, and material rotating unit is circumferentially uniform
There are some storing passages, the measurement end of weighing unit is arranged on material rotating unit bottom, microwave detecting unit and weighing unit
Shift to install, the Microwave emission end and microwave receiving end of microwave detecting unit are coaxially disposed, are individually fixed in material collection case top
Portion and bottom；Described discharging opening, storing passage, weighing unit measurement end, Microwave emission end and the central shaft at microwave receiving end
Line is concyclic；Cross section, the cross section of storing passage and the shape of cross section of discharging opening of described charging aperture match, and chi
It is very little incremented by successively；
Described weighing unit includes：Upper support plate, gravity sensor and fixed plate, wherein：Upper support plate is set as measurement end level
Put the material rotating unit bottom in material collection case, fixed plate is fixed on material collection case exterior bottom, coaxial with upper support plate
Set, gravity sensor is fixed between upper support plate and fixed plate.
2. combine grain moisture content according to claim 1 and unit weight on-line measuring device, it is characterized in that,
It is bolted between described upper support plate and fixed plate and gives gravity sensor certain pretightning force.
3. combine grain moisture content according to claim 1 and unit weight on-line measuring device, it is characterized in that,
Described material rotating unit is provided with motor, and different motor speeds controls different sample frequencys.
4. combine grain moisture content according to claim 3 and unit weight on-line measuring device, it is characterized in that,
The gap of described material rotating unit and material collection tank shell is less than cereal minimum grain size.
5. combine grain moisture content according to claim 1 and unit weight on-line measuring device, it is characterized in that,
Described microwave detecting unit is equipped with the anti-scattered device of microwave at Microwave emission end and microwave receiving end.
6. combine grain moisture content according to claim 1 and unit weight on-line measuring device, it is characterized in that,
Described material collection case is arranged on the corn lifting device front end of united reaper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710794500.0A CN107703160B (en) | 2017-09-06 | 2017-09-06 | Grain moisture content and volume weight on-line detection device for combine harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710794500.0A CN107703160B (en) | 2017-09-06 | 2017-09-06 | Grain moisture content and volume weight on-line detection device for combine harvester |
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| Publication Number | Publication Date |
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| CN107703160A true CN107703160A (en) | 2018-02-16 |
| CN107703160B CN107703160B (en) | 2020-12-08 |
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| CN201710794500.0A Active CN107703160B (en) | 2017-09-06 | 2017-09-06 | Grain moisture content and volume weight on-line detection device for combine harvester |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732208A (en) * | 2018-05-22 | 2018-11-02 | 上海交通大学 | A kind of Crop moisture sensor and the method for measuring grain moisture |
| CN108801838A (en) * | 2018-05-02 | 2018-11-13 | 黑龙江八农垦大学 | A kind of grain moisture content device for fast detecting based on gravity sensor |
| CN109655589A (en) * | 2019-01-25 | 2019-04-19 | 河南农业大学 | Experimental plot grain yield measuring device and measuring method |
| CN110596153A (en) * | 2019-09-16 | 2019-12-20 | 安徽大洋自动化科技有限公司 | Airborne object networking cereal moisture detector |
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| CN2520504Y (en) * | 2002-01-31 | 2002-11-13 | 国电环境保护研究所 | Instrument for quick analysis of total moisture of coal |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801838A (en) * | 2018-05-02 | 2018-11-13 | 黑龙江八农垦大学 | A kind of grain moisture content device for fast detecting based on gravity sensor |
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| CN108732208A (en) * | 2018-05-22 | 2018-11-02 | 上海交通大学 | A kind of Crop moisture sensor and the method for measuring grain moisture |
| CN109655589A (en) * | 2019-01-25 | 2019-04-19 | 河南农业大学 | Experimental plot grain yield measuring device and measuring method |
| CN110596153A (en) * | 2019-09-16 | 2019-12-20 | 安徽大洋自动化科技有限公司 | Airborne object networking cereal moisture detector |
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| CN107703160B (en) | 2020-12-08 |
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