CN111879219A - Device and method for measuring rice leaf angle - Google Patents
Device and method for measuring rice leaf angle Download PDFInfo
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- CN111879219A CN111879219A CN202010910440.6A CN202010910440A CN111879219A CN 111879219 A CN111879219 A CN 111879219A CN 202010910440 A CN202010910440 A CN 202010910440A CN 111879219 A CN111879219 A CN 111879219A
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- angle
- main rod
- leaf
- blade
- measuring
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 34
- 235000009566 rice Nutrition 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 13
- 240000007594 Oryza sativa Species 0.000 title 1
- 241000209094 Oryza Species 0.000 claims abstract description 36
- 241000196324 Embryophyta Species 0.000 claims description 27
- 238000005259 measurement Methods 0.000 claims description 7
- 239000002689 soil Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000011156 evaluation Methods 0.000 description 3
- 210000000056 organ Anatomy 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 230000000243 photosynthetic effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
- G01B5/061—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness height gauges
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a device and a method for measuring rice leaf angle, wherein the device comprises: the two side surfaces of the main rod are provided with parallel guide rails along the extension direction of the main rod, the edge of the side surface of the main rod is provided with scales along the extension direction of the main rod, and the end part of the main rod is provided with a conical structure; the sliding block is arranged on the guide rail of the main rod in a sliding manner; the digital angle measuring instrument is fixed on the sliding block and is provided with a rotatable rotating angle measuring ruler in a rotating way; and a locking valve provided on the slider for locking the slider on the main rod. The device can conveniently and quickly measure the leaf position height, the leaf spread angle and the leaf drape angle of the leaf, and can quickly and efficiently measure and evaluate the rice leaf angle of a large amount of materials in a rice field.
Description
Technical Field
The invention relates to a plant leaf angle measuring method, in particular to a device and a method for measuring rice leaf angles.
Background
The rice leaf is an important organ of rice photosynthesis, is an organ for producing rice plant substances, has important influence on rice plant type, population photosynthetic property, growth amount and yield, has important influence on rice disease and pest occurrence departments, and is also an important index for rice variety evaluation and high-yield cultivation.
At present, a protractor is adopted for measuring the angle of the rice leaf. The protractor is generally semicircular, when measuring the leaf blade of a rice plant, the leaf blade is difficult to move, the reading error is large, the measuring efficiency is low, and the data precision is low due to the difference of the leaf blade direction, the height, the length and the like, the number of stem tillers of a group is large, the stem tillers grow in a cluster shape, and when measuring the leaf blade, the protractor is used for measuring the leaf blade. Therefore, the measurement of the leaf angle data is limited, the leaf angle data is not much, the plant type and leaf characteristic evaluation of rice is mostly only qualitative, and the quantitative research method is lacked. Therefore, a new method and a device for measuring the rice leaf angle are needed in the evaluation of the rice variety type and leaf angle characteristics and the high-yield cultivation index, especially the research of the intelligent rice cropping technology.
Disclosure of Invention
The invention aims to provide a device and a method for measuring the angle of a rice blade, which solve the problem that the angle of the blade measured by the existing angle gauge is limited, and can conveniently and quickly measure the height of the blade position of the blade, the spread angle of the blade and the drape angle of the blade.
In order to achieve the above object, the present invention provides a rice leaf angle measuring device, comprising: the two side surfaces of the main rod are provided with parallel guide rails along the extension direction of the main rod, the edge of the side surface of the main rod is provided with scales along the extension direction of the main rod, and the end part of the main rod is provided with a conical structure; the sliding block is arranged on the guide rail of the main rod in a sliding manner; the digital angle measuring instrument is fixed on the sliding block and is provided with a rotatable rotating angle measuring ruler in a rotating way; and a locking valve provided on the slider for locking the slider on the main rod.
Preferably, the accuracy of the digital angle measuring instrument is 0.01 degrees.
Preferably, the locking valve has a threaded post structure, the threaded post structure is screwed on the sliding block, and the tail end of the threaded post structure can be clamped on the main rod.
Preferably, the locking valve is disposed on the top or side of the slider.
Preferably, a rotating handle is fixed at the head end of the threaded column structure.
Preferably, the main rod is provided with a first embedding groove along the extending direction thereof, the guide rails are arranged on the inner walls of two sides of the first embedding groove in parallel, and the sliding block is matched with the first embedding groove; or the two side surfaces of the main rod are provided with the guide rails in parallel along the extending direction of the main rod, and the sliding block is provided with a second embedding groove matched with the main rod.
Preferably, a sliding groove matched with the guide rail is arranged on the surface of the sliding block opposite to the guide rail, and the sliding groove can slide along the guide rail.
Preferably, a plurality of pulleys matched with the guide rail are rotatably arranged in the sliding groove, and the pulleys are contacted with the guide rail and roll along the guide rail.
Another object of the present invention is to provide a method for measuring rice leaf angle, which uses the device to perform measurement, comprising:
when the height of the leaf position of a leaf pillow on a plant is measured, inserting the main rod into the land beside the plant to be measured, enabling the main rod to be parallel to the plant to be measured, and reading the height value of the leaf to be measured on the plant;
when the unfolding angle of the blades is measured, the main rod is inserted into the land beside the plant to be measured, the main rod is parallel to the plant to be measured, the blade pillow of the blade to be measured is superposed with the joint of the digital angle measuring instrument and the rotating angle measuring ruler, the rotating angle measuring ruler is superposed with the straight part of the base part of the blade, and the digital angle measuring instrument displays angle data which is the unfolding angle of the blade;
when measuring blade drape angle, will the mobile jib inserts in the soil of the volume of awaiting measuring plant limit, makes the mobile jib is parallel with the volume of awaiting measuring plant, the leaf pillow of the blade of awaiting measuring with the coincidence of the junction of digital angle measuring instrument and its rotation protractor, and make the straight line coincidence of leaf pillow and apex of rotation protractor and blade, digital angle measuring instrument shows angle data, and this angle data is blade drape angle.
The device and the method for measuring the angle of the rice blade solve the problem that the angle of the blade measured by the existing angulometer is limited, and have the following advantages that:
the device is provided with guide rails arranged on two sides of the main rod along the extension direction of the main rod, and is also provided with a scale and a conical structure at the end part, and the digital angle measuring instrument is driven to move through the matching of the guide rails and the sliding block, so that the position of the digital angle measuring instrument can be conveniently changed, the digital angle measuring instrument is supported, and the digital angle measuring instrument cannot randomly rock towards two sides in the using process and is limited by the main rod, so that the measuring accuracy is improved. And moreover, the angle of the blade is measured by adopting the digital angle measuring instrument, so that the angle measuring precision is high. The device disclosed by the invention is convenient to use, simple in structure, convenient to carry and operate in the field, has the advantages of high measurement efficiency, high precision, convenience in operation, convenience in carrying and the like, can conveniently and quickly measure the leaf position height, the leaf spread angle and the leaf drape angle of the leaf, and can quickly and efficiently measure and evaluate the rice leaf angle of a large amount of materials in the rice field.
Drawings
FIG. 1 is a first schematic structural diagram of the rice leaf angle measuring device of the present invention.
Fig. 2 is a first structural schematic diagram of the main rod and the slider of the present invention.
Fig. 3 is a first structural diagram of the boom of the present invention.
FIG. 4 is a first schematic structural diagram of a slider according to the present invention.
Fig. 5 is a first schematic structural view of the slider and the lockout valve of the present invention.
FIG. 6 is a second schematic structural view of the rice leaf angle measuring device of the present invention.
Fig. 7 is a second schematic structural diagram of the main rod and the slider of the present invention.
Fig. 8 is a second schematic structural diagram of the main rod of the present invention.
FIG. 9 is a second schematic structural diagram of a slider according to the present invention.
FIG. 10 is a second schematic view of the slider and lockout valve of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An apparatus for measuring the angle of a rice leaf, as shown in fig. 1 and 6, comprising: a main rod 10, two side surfaces of which are provided with parallel guide rails 12 along the extending direction thereof, the edge of the side surface thereof is provided with scales along the extending direction thereof, and the end portion thereof is provided with a conical structure 11 (see fig. 3 and 8); a slider 20 slidably disposed on the guide rail 12 of the main lever 10; the digital angle measuring instrument 30 is fixed on the sliding block 20, and a rotatable rotation angle measuring ruler 40 is rotatably arranged on the digital angle measuring instrument, and the rotation angle of the rotation angle measuring ruler 40 is 0-360 degrees; and a locking valve 50 provided on the slider 20 for locking the slider 20 to the main lever 10.
The tip of the one end that the scale is 0 degree on above-mentioned mobile jib 10 can set up to toper structure 11, inserts the mobile jib 10 in the paddy field during the measurement, and scale 0 and ground parallel and level can measure a certain leaf position height (like the leaf pillow) on the plant.
The digital angle measuring instrument 30 is provided with an on-off key, a clear key, and a data lock key. When the digital angle measuring instrument 30 is used, the on-off key is pressed, and 0 is displayed on the display. When the angle measuring ruler 40 is at the initial position, a zero clearing key is pressed, 0 is recovered on the display, when the angle is measured, the angle measuring ruler 40 is rotated, angle data is displayed on the display, and a data locking key is pressed, so that the data is kept locked.
According to an embodiment of the present invention, the accuracy of the digital angle measuring device 30 is 0.01 degree, and the angle can display 2 bits after the decimal point.
According to an embodiment of the present invention, referring to fig. 2, 5, 7 and 10, the locking valve 50 has a threaded post structure that is threadedly coupled to the slider 20, and the end of the threaded post structure can be clamped against the main rod 10, so that the slider 20 can be conveniently locked to the main rod 10 or unlocked from the main rod 10. Specifically, the top of the slider 20 is provided with a threaded hole 23 (see fig. 4 and 9), and when the lock valve 50 is disposed on the upper surface (the surface opposite to the lower surface) of the slider 20, the lock valve 50 is screwed in the threaded hole 23, and the end of the threaded post structure of the lock valve 50 is caught to the top of the main lever 10, thereby performing a locking function. Or, the side of the sliding block 20 is provided with a threaded hole 23, the locking valve 50 is in threaded connection in the threaded hole 23, and the end of the threaded column structure of the locking valve 50 is clamped to the side of the main rod 10, so as to realize the locking function.
According to a specific embodiment of the present invention, the lockout valve 50 is disposed on the top or side of the slider 20.
According to a specific embodiment of the invention, a rotating handle is fixed at the head end of the threaded column structure, so that the threaded column structure can be conveniently adjusted.
According to an embodiment of the present invention, the main rod 10 is provided with a first embedding groove 13 (see fig. 3) along the extending direction thereof, the guide rails 12 are arranged in parallel on the inner walls of both sides of the first embedding groove 13, and the slider 20 is adapted to the first embedding groove 13; or, the two side surfaces of the main rod 10 are provided with the guide rails 12 in parallel along the extending direction thereof, and the slider 20 is provided with a second embedding groove adapted to the main rod 10 (see fig. 9 and 10).
According to an embodiment of the present invention, the surface of the slider 20 opposite to the guide rail 12 is provided with a slide groove 21 (see fig. 4 and 9) adapted to the guide rail 12, and the slide groove 21 can slide along the guide rail 12.
According to an embodiment of the present invention, a plurality of pulleys 22 (see fig. 5 and 10) adapted to the guide rail 12 are rotatably disposed in the slide groove 21, and the pulleys 22 are in contact with the guide rail 12 and roll along the guide rail 12.
A method for measuring the angle of a rice leaf by adopting the device comprises the following steps:
when the height of the leaf position of a leaf pillow (i.e. the joint of a leaf and a leaf sheath) on a plant is measured, inserting the main rod 10 into the land beside the plant to be measured, enabling the main rod 10 to be parallel to the plant to be measured, and reading the height value of the leaf to be measured on the plant;
when measuring the unfolding angle of the blades, inserting the main rod 10 into the land beside the plant to be measured, enabling the main rod 10 to be parallel to the plant to be measured, enabling the blade pillow of the blade to be measured to coincide with the joint of the digital angle measuring instrument 30 and the rotating angle measuring ruler 40 thereof, enabling the rotating angle measuring ruler 40 to coincide with the straight part of the base part of the blade, and enabling the digital angle measuring instrument 30 to display angle data, wherein the angle data is the unfolding angle of the blade;
when measuring the blade drape angle, the main rod 10 is inserted into the land around the plant to be measured, so that the main rod 10 is parallel to the plant to be measured, the joint of the blade pillow of the blade to be measured and the digital angle measuring instrument 30 and the rotating angle measuring ruler 40 coincides, the rotating angle measuring ruler 40 coincides with the straight line of the blade pillow and the blade tip of the blade, and the digital angle measuring instrument 30 displays angle data which is the blade drape angle.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.
Claims (9)
1. An apparatus for measuring the angle of a rice leaf, the apparatus comprising:
the two side surfaces of the main rod (10) are provided with parallel guide rails (12) along the extending direction, the edge of the side surface is provided with scales along the extending direction, and the end part of the main rod is provided with a conical structure (11);
a slider (20) slidably disposed on a guide rail (12) of the main rod (10);
the digital angle measuring instrument (30) is fixed on the sliding block (20) and is provided with a rotatable rotation angle measuring ruler (40) in a rotating way; and
a locking valve (50) provided on the slider (20) for locking the slider (20) on the main rod (10).
2. The rice leaf angle measurement device according to claim 1, wherein the accuracy of the digital angle measuring instrument (30) is 0.01 degrees.
3. Device for rice blade angle measurement according to claim 1, characterized in that the locking valve (50) has a threaded cylindrical structure screwed onto the slider (20), the end of which can be snapped onto the main rod (10).
4. Device for rice blade angle measurement according to claim 3, characterized in that the locking valve (50) is arranged on the top or on the side of the slide (20).
5. The rice blade angle measuring device of claim 3, wherein a rotating handle is fixed to the head end of the threaded post structure.
6. The rice leaf angle measuring device according to claim 1, wherein the main rod (10) is provided with a first embedding groove (13) along the extending direction thereof, the guide rails (12) are arranged on the inner walls of the two sides of the first embedding groove (13) in parallel, and the sliding block (20) is matched with the first embedding groove (13); or the like, or, alternatively,
the two side surfaces of the main rod (10) are provided with the guide rails (12) in parallel along the extending direction of the main rod, and the sliding block (20) is provided with a second embedding groove matched with the main rod (10).
7. The rice blade angle measuring device according to claim 6, wherein a sliding groove (21) matched with the guide rail (12) is arranged on the surface of the sliding block (20) opposite to the guide rail (12), and the sliding groove (21) can slide along the guide rail (12).
8. Device for measuring the angle of a rice leaf according to claim 7, characterized in that a plurality of pulleys (22) adapted to the guide rail (12) are rotatably disposed in the sliding groove (21), and the pulleys (22) are in contact with the guide rail (12) and roll along the guide rail (12).
9. A method for measuring the angle of a rice leaf, which is carried out by using the device according to any one of claims 1 to 8, comprising:
when the height of the leaf position of a leaf pillow on a plant is measured, inserting the main rod (10) into the land beside the plant to be measured, enabling the main rod (10) to be parallel to the plant to be measured, and reading the height value of the leaf to be measured on the plant;
when the unfolding angle of the blades is measured, the main rod (10) is inserted into the land on the edge of a plant to be measured, the main rod (10) is parallel to the plant to be measured, the blade pillow of the blade to be measured is superposed with the joint of the digital angle measuring instrument (30) and the rotating angle measuring ruler (40) of the digital angle measuring instrument, the rotating angle measuring ruler (40) is superposed with the straight part of the base part of the blade, and the digital angle measuring instrument (30) displays angle data which is the unfolding angle of the blade;
when measuring blade drape angle, will during mobile jib (10) inserts the soil of the plant limit of awaiting measuring, make mobile jib (10) are parallel with the plant of awaiting measuring, the leaf pillow of the blade of awaiting measuring with the junction coincidence of digital angle measuring instrument (30) and its rotation protractor (40), and make the straight line coincidence of rotation protractor (40) and the leaf pillow of blade and apex, digital angle measuring instrument (30) show angle data, and this angle data is blade drape angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010910440.6A CN111879219A (en) | 2020-09-02 | 2020-09-02 | Device and method for measuring rice leaf angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010910440.6A CN111879219A (en) | 2020-09-02 | 2020-09-02 | Device and method for measuring rice leaf angle |
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| Publication Number | Publication Date |
|---|---|
| CN111879219A true CN111879219A (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010910440.6A Pending CN111879219A (en) | 2020-09-02 | 2020-09-02 | Device and method for measuring rice leaf angle |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3163832U (en) * | 2010-08-23 | 2010-11-04 | 有限会社ウェイヴテック | Angle measuring tool |
| KR101397583B1 (en) * | 2012-12-13 | 2014-05-20 | (주)제이에스티앤랩 | Device for measuring angle of blade |
| CN209894065U (en) * | 2019-04-16 | 2020-01-03 | 玉溪市农业科学院 | Agricultural plant character measuring scale |
| CN211291265U (en) * | 2020-01-16 | 2020-08-18 | 天津中天大地科技有限公司 | Corn leaf included angle tester based on corn gene genetic correlation research |
| CN212378677U (en) * | 2020-09-02 | 2021-01-19 | 中国水稻研究所 | Rice leaf angle measurement's device |
-
2020
- 2020-09-02 CN CN202010910440.6A patent/CN111879219A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3163832U (en) * | 2010-08-23 | 2010-11-04 | 有限会社ウェイヴテック | Angle measuring tool |
| KR101397583B1 (en) * | 2012-12-13 | 2014-05-20 | (주)제이에스티앤랩 | Device for measuring angle of blade |
| CN209894065U (en) * | 2019-04-16 | 2020-01-03 | 玉溪市农业科学院 | Agricultural plant character measuring scale |
| CN211291265U (en) * | 2020-01-16 | 2020-08-18 | 天津中天大地科技有限公司 | Corn leaf included angle tester based on corn gene genetic correlation research |
| CN212378677U (en) * | 2020-09-02 | 2021-01-19 | 中国水稻研究所 | Rice leaf angle measurement's device |
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