CN201413131Y - Novel device for measuring and calculating leaf area index - Google Patents
Novel device for measuring and calculating leaf area index Download PDFInfo
- Publication number
- CN201413131Y CN201413131Y CN2009201543758U CN200920154375U CN201413131Y CN 201413131 Y CN201413131 Y CN 201413131Y CN 2009201543758 U CN2009201543758 U CN 2009201543758U CN 200920154375 U CN200920154375 U CN 200920154375U CN 201413131 Y CN201413131 Y CN 201413131Y
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- vane plate
- camera
- leaf
- digital camera
- leaf area
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- 238000005070 sampling Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
A novel device for measuring and calculating leaf area index relates to a device for measuring and calculating leaf area index and consists of a digital camera (1), an adjustable bracket (2), a leaf carrying plate (3), a computer (4), a leaf pressing plate (5), a pressing bar (6), a USB wire (7), a panel (8) for fixing the camera, a bracket adjusting device (9) and a leaf area index calculation software, wherein the digital camera (1) is fixed on the panel (8) for fixing the camera, the panel (8) for fixing the camera is connected through the bracket adjusting device (9) that is fixed on the bracket (2) with adjustable height, the height of the bracket is adjusted by the bracket adjusting device (9) to ensure the shooting range of the digital camera (1) covers all the leaf samples carriedby the leaf carrying plate (3) and the digital camera (1) is connected with the computer (4) through the USB wire (7). The device is convenient, quick and high in efficiency, can automatically measurethe leaf area of samples and by combining the sampling area or sampling weight parameter, the computer inputs the leaf area index automatically calculated and outputs the result in real time or stores the result in the form of files.
Description
Technical field:
The utility model relates to a kind of device of calculating leaf area index.
Background technology:
Existing leaf area index measuring method commonly used is sent to computer after being mostly to adopt camera or scanner that leaf image is noted again, extracts the blade area ratio by Photoshop, and then manually calculates in conjunction with the agronomy parameter.Can not realize automatical and efficient measurements and calculations leaf area index.
The utility model content:
The purpose of this utility model provides a kind of device of novel measuring and calculating leaf area index, it can measure the leaf samples area automatically, leaf area index is calculated in computing machine typing in conjunction with sampling area or sampling weight parameter automatically, preserves with operation result output in good time or with document form.
In order to solve the existing problem of background technology, the utility model by the following technical solutions: it by digital camera 1, brackets with height-adjustable 2, (series that varies in size) carry vane plate 3, computing machine 4, press vane plate 5, press strip 6, USB line 7, fixedly panel 8 and bracket adjustment device 9, the leaf area index software for calculation of camera are formed; Digital camera 1 is fixed on above the panel 8 of fixing camera, fixedly 8 of the panels of camera connect by bracket adjustment device 9, bracket adjustment device 9 is fixed on the brackets with height-adjustable 2, quantity or area according to the blade sample are regulated the coverage covering year vane plate 3 contained whole blade samples that support height guarantees digital camera 1 by bracket adjustment device 9, camera is connected with computing machine 4 by USB line 7, the blade sample is fixed on known the carrying on the vane plate 3 of area, to carry vane plate 3 as object of reference, carrying above the vane plate 3 with pressing vane plate 5 to cover, fixed with press strip 6, it is transparent pressing vane plate 5, it is white carrying vane plate, can keep leveling blade like this, the figure shadow-free, in measuring process, carry vane plate 3 according to what the size of blade sample size and area was selected different size, take the blade sample in good time, be transferred in the computing machine 4 in good time by the USB line by the digital camera 1 that mixes up height, by the leaf area index software for calculation, finish the leaf area index measuring and calculating.
The utlity model has following beneficial effect: convenient, fast, high-level efficiency, can measure the leaf samples area automatically, leaf area index is calculated in computing machine typing in conjunction with sampling area or sampling weight parameter automatically, exports during with fructufy or preserves with document form; Can select the different year vane plate of specification according to sample size and area size; Cover the carrying above the vane plate of white with transparent pressure vane plate, fixed, can keep smooth, the shadow-free of blade sample to be measured with press strip; With known area carry vane plate as object of reference, utilize independently developed computer software can calculate the area of blade sample to be measured automatically.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a decomposition texture synoptic diagram of the present utility model;
Fig. 3 is a workflow diagram of the present utility model.
Embodiment:
This embodiment is by the following technical solutions: it by digital camera 1, adjustable support 2, carry vane plate 3, computing machine 4, press vane plate 5, press strip 6, USB line 7, fixedly panel 8, bracket adjustment device 9 and the leaf area index software for calculation of camera are formed; Digital camera 1 is fixed on above the panel 8 of fixing camera, fixedly 8 of the panels of camera connect by bracket adjustment device 9, bracket adjustment device 9 is fixed on the brackets with height-adjustable 2, regulate support height by bracket adjustment device 9 and guarantee that the coverage of digital camera 1 covers year vane plate 3 contained whole blade samples, digital camera 1 is connected with computing machine 4 by USB line 7, the vanes fixed of taking pictures is in known the carrying on the vane plate 3 of area, to carry vane plate 3 as object of reference, carrying above the vane plate 3 with pressing vane plate 5 to cover, fixed with press strip 6, it is transparent pressing vane plate 5, it is white carrying vane plate, can keep leveling blade like this, the figure shadow-free that digital camera 1 is taken, in measuring process, carry vane plate 3 according to what the size of blade sample size and area was selected different size, take the blade sample in real time, be transferred in the computing machine 4 in good time by the USB line by the digital camera 1 that mixes up height, by the leaf area index software for calculation, finish the leaf area index measuring and calculating.
Convenient, fast, the high-level efficiency of the utility model energy can be measured the leaf samples area automatically, calculates leaf area index automatically in conjunction with the computing machine typing of sampling area or sampling weight parameter, preserves with result's output in good time or with document form; Can select the different year vane plate of specification according to sample size and area size; Cover the carrying above the vane plate of white with transparent pressure vane plate, fixed, can keep smooth, the shadow-free of blade sample to be measured with press strip; With known area carry vane plate as object of reference, utilize independently developed computer software can calculate the area of blade sample to be measured automatically.
Claims (1)
1, a kind of device of novel measuring and calculating leaf area index, it is characterized in that it by digital camera (1), adjustable support (2), carry vane plate (3), computing machine (4), press vane plate (5), press strip (6), USB line (7), fixedly the panel of camera (8), bracket adjustment device (9) and leaf area index software for calculation are formed; Digital camera (1) is fixed on fixedly above the panel of camera (8), fixedly the panel of camera (8) then connects by bracket adjustment device (9), bracket adjustment device (9) is fixed on the brackets with height-adjustable (2), regulate support height by bracket adjustment device (9) and guarantee that the coverage of digital camera (1) covers year contained whole blade samples of vane plate (3), digital camera (1) is connected with computing machine (4) by USB line (7), the vanes fixed of taking pictures is in known the carrying on the vane plate (3) of area, to carry vane plate (3) as object of reference, carrying above the vane plate (3) with pressing vane plate (5) to cover, fixed with press strip (6), it is transparent pressing vane plate (5), and it is white carrying vane plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201543758U CN201413131Y (en) | 2009-05-22 | 2009-05-22 | Novel device for measuring and calculating leaf area index |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201543758U CN201413131Y (en) | 2009-05-22 | 2009-05-22 | Novel device for measuring and calculating leaf area index |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201413131Y true CN201413131Y (en) | 2010-02-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201543758U Expired - Fee Related CN201413131Y (en) | 2009-05-22 | 2009-05-22 | Novel device for measuring and calculating leaf area index |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201413131Y (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799283A (en) * | 2010-04-01 | 2010-08-11 | 吉林大学 | Nondestructive measuring method for leaf area of broad leaved plant |
| CN101979960A (en) * | 2010-09-29 | 2011-02-23 | 南京信息工程大学 | Laser and image-based leaf area measurement device |
| CN102538717A (en) * | 2010-12-30 | 2012-07-04 | 北京师范大学 | Automatic leaf area index observation system and method |
| CN103308025A (en) * | 2013-06-05 | 2013-09-18 | 福建省农业科学院茶叶研究所 | Plant leaf area print weighing in-vivo testing method |
| CN105004284A (en) * | 2015-07-14 | 2015-10-28 | 河南科技大学 | Photoelectric tobacco leaf area measuring device |
| CN105842164A (en) * | 2016-05-06 | 2016-08-10 | 北京农业信息技术研究中心 | Wheat spike number measuring device and use method thereof |
| CN105953753A (en) * | 2016-06-06 | 2016-09-21 | 宁波大学 | Measuring device and method of porphyra haitanensis area |
| CN107132631A (en) * | 2017-07-03 | 2017-09-05 | 苏州专创光电科技有限公司 | It is a kind of can built on stilts installation cable splice closure |
| CN107907074A (en) * | 2017-10-19 | 2018-04-13 | 华南农业大学 | A kind of overlapping leaf area index detection device of tea tree based on spectral reflectance and method |
| CN108398087A (en) * | 2018-05-02 | 2018-08-14 | 东北农业大学 | A kind of soybean leaves image collecting device |
| CN109373937A (en) * | 2018-12-10 | 2019-02-22 | 中国气象局兰州干旱气象研究所 | Vegetation canopy leaf area index measurement method |
| CN112525110A (en) * | 2020-12-24 | 2021-03-19 | 宁夏农林科学院农业经济与信息技术研究所（宁夏农业科技图书馆） | Handheld blade nondestructive measurement method and device based on vision measurement |
| CN113028983A (en) * | 2019-12-24 | 2021-06-25 | 深圳市富泰通国际物流有限公司 | Measuring device, measuring system, measuring method and computer |
| CN113624165A (en) * | 2021-08-09 | 2021-11-09 | 海南青峰生物科技有限公司 | Rice leaf area measuring device and method based on 5G and image recognition |
-
2009
- 2009-05-22 CN CN2009201543758U patent/CN201413131Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799283A (en) * | 2010-04-01 | 2010-08-11 | 吉林大学 | Nondestructive measuring method for leaf area of broad leaved plant |
| CN101979960A (en) * | 2010-09-29 | 2011-02-23 | 南京信息工程大学 | Laser and image-based leaf area measurement device |
| CN102538717A (en) * | 2010-12-30 | 2012-07-04 | 北京师范大学 | Automatic leaf area index observation system and method |
| CN102538717B (en) * | 2010-12-30 | 2016-05-25 | 北京师范大学 | Automatic leaf area index observation system and method thereof |
| CN103308025A (en) * | 2013-06-05 | 2013-09-18 | 福建省农业科学院茶叶研究所 | Plant leaf area print weighing in-vivo testing method |
| CN105004284A (en) * | 2015-07-14 | 2015-10-28 | 河南科技大学 | Photoelectric tobacco leaf area measuring device |
| CN105842164A (en) * | 2016-05-06 | 2016-08-10 | 北京农业信息技术研究中心 | Wheat spike number measuring device and use method thereof |
| CN105953753A (en) * | 2016-06-06 | 2016-09-21 | 宁波大学 | Measuring device and method of porphyra haitanensis area |
| CN107132631A (en) * | 2017-07-03 | 2017-09-05 | 苏州专创光电科技有限公司 | It is a kind of can built on stilts installation cable splice closure |
| CN107907074A (en) * | 2017-10-19 | 2018-04-13 | 华南农业大学 | A kind of overlapping leaf area index detection device of tea tree based on spectral reflectance and method |
| CN108398087A (en) * | 2018-05-02 | 2018-08-14 | 东北农业大学 | A kind of soybean leaves image collecting device |
| CN109373937A (en) * | 2018-12-10 | 2019-02-22 | 中国气象局兰州干旱气象研究所 | Vegetation canopy leaf area index measurement method |
| CN113028983A (en) * | 2019-12-24 | 2021-06-25 | 深圳市富泰通国际物流有限公司 | Measuring device, measuring system, measuring method and computer |
| CN112525110A (en) * | 2020-12-24 | 2021-03-19 | 宁夏农林科学院农业经济与信息技术研究所（宁夏农业科技图书馆） | Handheld blade nondestructive measurement method and device based on vision measurement |
| CN113624165A (en) * | 2021-08-09 | 2021-11-09 | 海南青峰生物科技有限公司 | Rice leaf area measuring device and method based on 5G and image recognition |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100224 Termination date: 20120522 |