CN109297933A - A kind of aciculiform vegetation blade reflective spectral measure instrument and measurement method - Google Patents
A kind of aciculiform vegetation blade reflective spectral measure instrument and measurement method Download PDFInfo
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- CN109297933A CN109297933A CN201811500822.0A CN201811500822A CN109297933A CN 109297933 A CN109297933 A CN 109297933A CN 201811500822 A CN201811500822 A CN 201811500822A CN 109297933 A CN109297933 A CN 109297933A
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- 230000003595 spectral effect Effects 0.000 title claims abstract description 16
- 238000000691 measurement method Methods 0.000 title description 3
- 238000001514 detection method Methods 0.000 claims abstract description 41
- 239000000523 sample Substances 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 8
- 230000008859 change Effects 0.000 claims abstract description 6
- 238000000985 reflectance spectrum Methods 0.000 claims abstract description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 4
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 7
- 210000003781 tooth socket Anatomy 0.000 claims description 7
- 238000001228 spectrum Methods 0.000 claims description 6
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000013341 scale-up Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims description 2
- 208000035126 Facies Diseases 0.000 claims 1
- 239000013307 optical fiber Substances 0.000 abstract description 9
- 239000000835 fiber Substances 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 241000586290 Suaeda salsa Species 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000005855 radiation Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/55—Specular reflectivity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The present invention relates to for assisting fiber optic cable to aim at aciculiform blade to obtain the instrumentation techniques of spectral information, specifically provide a kind of aciculiform vegetation blade reflective spectral measure instrument, including bracket, further include: change detection angle and center of rotation and the thick arm of the contour rotation of objective table by rotating, the lower end and pedestal upper end for rotating thick arm are rotatablely connected, thick arm is rotated using itself as radius, and center of rotation is the center of circle, along semicircle movement in a curve；Another invention is aciculiform vegetation blade reflectance spectrum detection method, including rotation rotates thick arm using itself as radius, and center of rotation is the center of circle, changes the process of detection angle along semicircle movement in a curve；The measuring instrument device can be combined according to object size with optical fiber field angle, and accurate adjustment probe is at a distance from object, angle and fixation, to greatly save manpower and material resources；It can easily observe above the small target, side all angles extract information needed.
Description
Technical field
The present invention relates to for assisting fiber optic cable to aim at the small target (aciculiform blade) to obtain the instrument of spectral information
Device measuring technique.
Background technique
Field spectroradiometer is the instrument for measuring radiation energy (radiance and radiant illumination), can be used for measuring target
Many fields such as reflectivity, transmissivity, radiance or radiant illumination, fiber optic cable can be used in it, cooperate pistol grip,
The target emanation acquisition for carrying out indoor and outdoor, i.e., aim at sample for fiber optic cable, acquire spectrum by the light source of environment, be applicable in
In a variety of camera lenses, pops one's head in especially in conjunction with blade folder and plant, the spectroscopic data of broad-leaved blade can be detected, with remote sensing technology
Development often needed from object different directions, different location obtains data, if existing equipment is wanted to reach in detecting objects
To this purpose, the orientation of cumbersome change instrument or multiple sensors is needed to measure together.
The prior art there are following defect and deficiencies: 1) blade folder and vegetation probe size determines surveyed object
Blade dimensions are larger, and the spectrum of the aciculiform vegetation blade short and elongated for such as pine needle blade, Leaves of Suaeda Salsa etc. is surveyed
It measures also relatively difficult；2) with the development of multiple-angle thinking, it is more preferable that sensor detection angle, which also becomes important detecting parameter,
Acquisition target information basic data is provided, but there are also certain distances for accurately obtaining the parameter for current instrument accessory；3)
When detection target is smaller, in existing instrument configuration, it is not easy to find preferable detection angle and can not adjusts the angle at all,
It is very inconvenient when instrument to adjust, when adjusting detection range, it is desirable that detection range is close enough and is able to maintain stabilization, but due to target
Object width is smaller, bad accurate assurance measurement and adjustment, existing equipment very inconvenient when adjusting detection range in practical operation
In also that using the detection optical fiber grasped, at a distance from object, the data such as detection angle do not detect the precedent of the small target.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of measuring instrument and measurement method for aciculiform blade,
The present invention is aciculiform vegetation blade reflective spectral measure instrument, including bracket, which is characterized in that further include: pass through
Rotation changes detection angle and center of rotation and the thick arm of the contour rotation of objective table, on the lower end and bracket of the thick arm of rotation
End rotation connection, the thick arm of rotation is using itself as radius, and center of rotation is the center of circle, along semicircle movement in a curve.
Preferably, the upper end of the bracket, which is equipped with, is stuck in the clamp arm for rotating thick arm front-back, the thick arm front and back sides of rotation
Shaft upper horizontal is provided with screw rod, the slide opening of arc is correspondingly provided in the clamp arm, which arrives spindle central
Apart from identical, the spiro rod length is greater than slide opening to the distance for rotating thick arm and the thick arm rotation of rotation is followed to slide along slide opening,
The screw rod, which is equipped with to rotate, contradicts or is detached from the knob nut for contradicting the clamp arm lateral surface.
Preferably, the slide opening side or bilateral are equipped with graduated scale, and the screw rod is equipped with the finger perpendicular to the graduated scale
Timberline.
Further, measuring instrument further include: regulating arm, transmission component, lifting microbrachia and probe assembly, the regulating arm
On be respectively equipped with and be additionally provided with around large through-hole slightly with the big small through hole that rotates thick arm and lifting microbrachia and cooperate, the regulating arm
It is equipped with thin knob, the thick knob and thin knob around knob, small through hole by transmission component and rotates thick arm and goes up and down thin
Arm connection, the thick knob and thin knob rotate clockwise or counterclockwise the thick arm of drive rotation and lifting microbrachia is only along big small through hole
Liter drop, the probe assembly are connect with lifting microbrachia.
Preferably, the drive mechanism includes: large and small gear and is vertically arranged on the thick arm of rotation and lifting microbrachia
Large and small tooth socket item, which, which is arranged in the large and small through-hole, drives synchronous rotary by thickness knob, described large and small
Gear and large and small tooth socket item engaged transmission.
Preferably, the probe assembly includes: feeler arm and probe, which connect with the lifting microbrachia, described
Probe is mounted on feeler arm, and the end of the probe is additionally provided with lamp bracket and headlamp, and the headlamp is arranged around lamp bracket
And it is able to rotate adjusting light angle.
Preferably, the cross section of the regulating arm is L shape.
Preferably, the objective table can horizontally rotate.
Another invention is aciculiform vegetation blade reflectance spectrum detection method, and aciculiform vegetation leaf sample is made to be placed in objective table
On, sample is aimed at using fiber optic cable, acquires spectrum by the light source of environment characterized by comprising
Rotation rotates thick arm using itself as radius, and center of rotation is the center of circle, changes detection angle along semicircle movement in a curve
Process.
Further, detection method further include:
Regulating arm is moved on a large scale up and down on rotating thick arm along detection direction while band by rotating the thick knob
The process that dynamic feeler arm and lifting microbrachia move on a large scale；With
The process for making lifting microbrachia that feeler arm small range above and below detection direction only be driven to move by rotating thin knob.
Compared with prior art, the invention has the following advantages:
The measuring instrument device can be combined according to object size with optical fiber field angle, accurate adjustment probe and object away from
From, angle and fixation, to greatly save manpower and material resources；It uses otherwise for the biomorph of aciculiform blade around the small target
It along the observed pattern of arc rotating, can easily observe above the small target, side all angles extract information needed.
Detailed description of the invention
Fig. 1 is measuring instrument three-dimensional structure diagram；
Fig. 2 is measuring instrument side view；
Fig. 3 is measuring instrument top view；
Fig. 4 is measuring instrument front view；
Fig. 5 is screw rod, knob nut and slide opening schematic diagram；
Fig. 6 is drive mechanism schematic diagram；
Fig. 7 is the wiring schematic diagram of probe assembly；
Fig. 8 is lamp bracket and structure of the lighting lamp schematic diagram.
Appended drawing reference in specification is as follows:
The 1 thick arm of rotation
1-1 screw rod
1-2 knob nut
2 brackets
2-1 clamp arm
2-1-1 slide opening
3 thick knobs
4 thin knobs
5 lifting microbrachias
6 regulating arms
The large and small through-hole of 6-1
7 feeler arms
8 large and small gears
9 large and small tooth socket items
10 pedestals
11 objective tables
12 probes
13 lamp brackets
14 headlamps
Specific embodiment
In order to which the technical problems, technical solutions and beneficial effects solved by the present invention is more clearly understood, below in conjunction with
Accompanying drawings and embodiments, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
Current laboratory equipment usually utilizes tripod, pistol when carrying out indoor object spectrum information measurement
The supplementary instruments such as formula handle, from distance objective object, remotely measurement data operates in this way when to measuring compared with the small target
It is extremely cumbersome, complicated, meanwhile, artificial adjustment traverse measurement, error is relatively large, unstable.
The present invention is for assisting fiber optic cable to aim at the small target (aciculiform blade) to obtain the instrument of spectral information.
Aiming at the problem that how to be detected to this kind of aciculiform blade object of Suaeda salsa, using " the fixed thick arm 1 of rotation for turning the heart "
It realizes, picture 1-4, specific design is that the lower end that will rotate thick arm 1 and bracket 2 upper end are rotatablely connected, objective table 11 and bracket 2
It is arranged on pedestal 10, to rotate thick arm 1 for radius, turning the heart is the center of circle, along semicircle movement in a curve, rotates thick arm by rotation
1 changes the detection angle of detection optical fiber, to realize the detection to the small target different angle.
Preferably as one kind of rotation side arm and holder pivots structure, as shown in figure 5, being additionally arranged clamp arm 2-1, screw rod 1-1
With knob nut 1-2, to adjust the accuracy of rotation and ensure to rotate the fastening effect between thick arm 1 and bracket 2, concrete scheme
It is the upper end of bracket 2 equipped with the clamp arm 2-1 for rotating thick 1 front-back of arm is stuck in, rotates thick 1 front and back sides of arm water above center of rotation
It is flat to be provided with screw rod 1-1, the slide opening 2-1-1 of arc is correspondingly provided on clamp arm 2-1, slide opening 2-1-1 arrives center of rotation in center
Apart from identical, screw rod 1-1 length is greater than slide opening 2-1-1 to the distance for rotating thick arm 1 and follows the thick rotation of arm 1 of rotation along slide opening 2-
Sliding in 1-1, screw rod 1-1, which is equipped with to rotate, contradicts or is detached from the knob nut 1-2 for contradicting clamp arm 2-1 lateral surface.
As a preference, as shown in figure 5, the side slide opening 2-1-1 or bilateral are equipped with graduated scale, and then precision is facilitated to rotate
It adjusts, screw rod 1-1 is equipped with the index line perpendicular to the graduated scale.
Aiming at the problem that detection optical fiber is not easy adjustment when detecting the small target with target range, thick, thin knob 3,4 is utilized
Change and rotate thick arm 1 and the lifting of lifting microbrachia 5 to drive feeler arm 7 in the movement of detection direction, changes detection range, such as scheme
Shown in 6, specific design be will rotate thick arm 1, the lifting correspondence of microbrachia 5 is mounted in the big small through hole 6-1 of regulating arm 6, large and small tooth
Wheel 8, which is arranged in large and small through-hole 6-1, drives synchronous rotary by thickness knob 3,4, and large and small gear 8 is engaged with large and small tooth socket item 9
Transmission, large and small tooth socket item 9 are vertically arranged on the thick arm 1 of rotation and lifting microbrachia 5, and when rotating thick knob 3, regulating arm 6 itself exists
It rotates and is moved up and down on thick arm 1 along detection direction while driving feeler arm 7 and going up and down moving for microbrachia 5；When rotating thin knob 4,
Lifting 5 drive feeler arms 7 of microbrachia are moved up and down along detection direction, and the diameter of thick knob 3 is bigger, for regulating arm 6 along rotation
Thick arm 1 is mobile on a large scale, and rough change detection optical fiber is at a distance from sample；The diameter of thin knob 4 is smaller, for going up and down microbrachia
5 is mobile to the small target small range, more accurately obtains required detection range according to actual needs, rotate thick arm 1 and
Scale can also be set on lifting microbrachia 5, convenient reading goes out the distance changed when detection optical fiber adjustment, for using, this
Implement regulating arm 6 and use " L " type, which is, in actual production tradition higher close to the side intensity for rotating thick arm 1
Structure can also be replaced by runner belt composition or screw structure.
For the acquisition of object different angle data, as shown in Figs 1-4, this instrument is using the rotation of objective table 11 come real
It is existing.Specifically objective table 11 is mounted on pedestal 10, centre is connected with the rotary shaft that objective table 11 can be made to rotate freely, and uses
When object is placed on blank, blank is placed in 11 central point of objective table, rotatable stage 11, to obtain object not
With the data of position.
Probe assembly includes: feeler arm 7 and probe 12, which connect with lifting microbrachia 5, and probe 12 is mounted on spy
On test arm 7,12 end of popping one's head in is additionally provided with lamp bracket 13 and headlamp 14, and headlamp 14 is arranged around lamp bracket 13 and is able to rotate tune
Light angle is saved, as shown in Fig. 1,2 and 8.
Target observation object is first placed on (target needed for 11 Observable of rotatable stage on reflection blank central point when use
The angle of object), adjustment rotates thick arm 1 to find required detection angle, according to the size of object, observation needed for calculating away from
From rotating thick knob 3, rough change detector probe 12 is at a distance from object；Rotate thin knob 4 again, lifting microbrachia 5 to
The small target small range is mobile, accurately obtains required detection range.
When using headlamp 14,4 identical headlamps 14 can front and back adjust light irradiating angle, to reach spy
Purpose is surveyed, as shown in Figure 8.
The connector lug part of probe assembly is made of an observation optical fiber and a light source power line, respectively connection detection
The line b of four headlamps 14 on the line a and connection lamp bracket 13 of device probe 12, as shown in Figure 7.
This instrument can be combined according to object size with optical fiber field angle, accurate adjustment probe at a distance from object,
Angle and fixation, to greatly save manpower and material resources.
A kind of aciculiform vegetation blade reflectance spectrum detection method, is placed in aciculiform vegetation leaf sample on objective table, utilizes
Fiber optic cable aims at sample, acquires spectrum by the light source of environment, comprising:
Rotation rotates thick arm 1 using itself as radius, and center of rotation is the center of circle, changes detection angle along semicircle movement in a curve
Process；
Regulating arm 6 is set to move while drive on a large scale up and down along detection direction on rotating thick arm 1 by rotating thick knob 3
The process that feeler arm 7 and lifting microbrachia 5 move on a large scale；With
Make microbrachia 5 works for driving the small range above and below detection direction of feeler arm 7 to move of lifting by rotating thin knob 4
Sequence.
The step of above-mentioned operation, does not limit sequencing, can be operated according to actual needs.
This instrument is used around the small target along the observed pattern of arc rotating, can easily be observed above the small target,
Side all angles extract information needed.This instrument has the objective table arbitrarily rotated simultaneously, and the small target direction can be changed,
Its more information all around is observed, realizes and the comprehensive whole spectral information of the small target is obtained.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (10)
1. a kind of aciculiform vegetation blade reflective spectral measure instrument, including bracket, which is characterized in that further include: by rotate come
Change detection angle and center of rotation and the thick arm of the contour rotation of objective table, the lower end of the thick arm of rotation and pedestal upper end rotate
Connection, the thick arm of rotation is using itself as radius, and center of rotation is the center of circle, along semicircle movement in a curve.
2. aciculiform vegetation blade reflective spectral measure instrument according to claim 1, which is characterized in that the bracket it is upper
End, which is equipped with, is stuck in the clamp arm for rotating thick arm front-back, and the thick arm front and back sides of rotation, which are horizontally disposed with, screw rod, right in the clamp arm
It should be equipped with the slide opening of arc, the distance of slide opening center to the center of rotation is identical, and it is thick to rotation that the spiro rod length is greater than slide opening
The distance of arm simultaneously follows the thick arm rotation of rotation to slide along slide opening, and the screw rod, which is equipped with to rotate conflict or be detached from, contradicts the folder
The knob nut of facies lateralis brachii.
3. aciculiform vegetation blade reflective spectral measure instrument according to claim 2, which is characterized in that the slide opening side
Or bilateral is equipped with graduated scale, the screw rod is equipped with the index line perpendicular to the graduated scale.
4. aciculiform vegetation blade reflective spectral measure instrument according to claim 1, which is characterized in that measuring instrument is also wrapped
Include: regulating arm, transmission component go up and down microbrachia and probe assembly, are respectively equipped on the regulating arm and rotate thick arm and lifting carefully
The big small through hole of arm cooperation, the regulating arm are additionally provided with thick knob around large through-hole, are equipped with thin knob around small through hole,
The thick knob and thin knob are connect by transmission component with the thick arm of rotation and lifting microbrachia, the thick knob and thin knob up time
Needle rotates counterclockwise the thick arm of drive rotation and lifting microbrachia along big small through hole independent-lifting, the probe assembly and lifting microbrachia
Connection.
5. aciculiform vegetation blade reflective spectral measure instrument according to claim 4, which is characterized in that the drive mechanism
The large and small tooth socket item for including: large and small gear and being vertically arranged on the thick arm of rotation and lifting microbrachia, large and small gear setting exist
Synchronous rotary, the large and small gear and large and small tooth socket item engaged transmission are driven by thickness knob in the large and small through-hole.
6. aciculiform vegetation blade reflective spectral measure instrument according to claim 4, which is characterized in that the probe assembly
It include: feeler arm and probe, which connect with the lifting microbrachia, and the probe is mounted on feeler arm, the probe
End be additionally provided with lamp bracket and headlamp, the headlamp is arranged around lamp bracket and is able to rotate adjusting light angle.
7. aciculiform vegetation blade reflective spectral measure instrument according to claim 4, which is characterized in that the regulating arm
Cross section is L shape.
8. aciculiform vegetation blade reflective spectral measure instrument according to claim 1, which is characterized in that the objective table energy
Horizontally rotate.
9. a kind of aciculiform vegetation blade reflectance spectrum detection method, is placed in aciculiform vegetation leaf sample on objective table, utilizes light
Fine cable aims at sample, acquires spectrum by the light source of environment characterized by comprising
Rotation rotates thick arm using itself as radius, and center of rotation is the center of circle, changes the work of detection angle along semicircle movement in a curve
Sequence.
10. aciculiform vegetation blade reflectance spectrum detection method as claimed in claim 9, which is characterized in that further include:
Regulating arm is moved on a large scale up and down on rotating thick arm along detection direction by the rotation thick knob while driving spy
The process that test arm and lifting microbrachia move on a large scale；With
The process for making lifting microbrachia that feeler arm small range above and below detection direction only be driven to move by rotating thin knob.
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| CN201811500822.0A CN109297933A (en) | 2018-12-10 | 2018-12-10 | A kind of aciculiform vegetation blade reflective spectral measure instrument and measurement method |
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|---|---|---|---|
| CN201811500822.0A CN109297933A (en) | 2018-12-10 | 2018-12-10 | A kind of aciculiform vegetation blade reflective spectral measure instrument and measurement method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261348A (en) * | 2019-07-04 | 2019-09-20 | 中南林业科技大学 | Near infrared spectrum fruit internal quality detection device |
| CN110426379A (en) * | 2019-08-08 | 2019-11-08 | 南京林业大学 | A kind of rotary timber single fiber sectional area measuring device and method |
| CN113777055A (en) * | 2021-11-08 | 2021-12-10 | 广东省科学院广州地理研究所 | Blade economy type spectrum character estimation method, storage medium and computer equipment |
| CN116718568A (en) * | 2023-08-04 | 2023-09-08 | 中节能(达州)新材料有限公司 | Device and method for detecting light reflecting performance of light reflecting material |
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Inventor after: Li Wei Inventor after: Wang Zihe Inventor after: Song Xin Inventor after: Liu Hongyang Inventor after: Liu Xulong Inventor after: Zhao Jianshun Inventor before: Li Wei Inventor before: Wang Zihe Inventor before: Song Xin Inventor before: Liu Hongyang Inventor before: Liu Xulong Inventor before: Zhao Jianshun |