CN113203692A - Fiber whiteness measuring system - Google Patents
Fiber whiteness measuring system Download PDFInfo
- Publication number
- CN113203692A CN113203692A CN202110621713.XA CN202110621713A CN113203692A CN 113203692 A CN113203692 A CN 113203692A CN 202110621713 A CN202110621713 A CN 202110621713A CN 113203692 A CN113203692 A CN 113203692A
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- 239000000835 fiber Substances 0.000 title claims abstract description 35
- 238000009434 installation Methods 0.000 claims abstract description 17
- 238000005192 partition Methods 0.000 claims abstract description 10
- 238000005259 measurement Methods 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000012946 outsourcing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920000433 Lyocell Polymers 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000011545 laboratory measurement Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004383 yellowing 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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
-
- 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
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- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Theoretical Computer Science (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a fiber whiteness measuring system, which comprises a gripping device and a measuring device, wherein the gripping device is arranged on the gripping device; the grabbing device comprises a frame, the frame comprises an upper frame and a bottom frame, the upper frame and the bottom frame are separated by a middle partition plate, two ball screws are arranged on the upper frame and are connected with an installation plate through ball nuts, a lifting cylinder is arranged on the installation plate, a bottom piston rod of the lifting cylinder is connected with a fixed block, the fixed block is connected with a lifting plate, the lifting plate penetrates through the middle partition plate and is connected with a clamp arm control box, the clamp arm control box is connected with a control clamp arm, and a measuring device installation box is arranged on the bottom frame on the other side of the clamp arm control box; the measuring device is installed in the measuring device installation box.
Description
Technical Field
The invention relates to the field of fiber whiteness measurement, in particular to a fiber whiteness measurement system used in the production of polyester fibers, viscose fibers and lyocell processes in the chemical fiber industry.
Background
In the production process of the chemical fiber industry, in a spinning workshop, the whiteness value and the stability of fiber directly influence the quality of a product, the whiteness value of the fiber is one of very important indexes for evaluating the grade of the product, the traditional measurement method is to perform laboratory measurement (measurement is performed for 1-2 times in each shift) by manual sampling, measurement is performed at intervals of 4-8 hours to obtain the whiteness value of the fiber, the continuous whiteness value of the fiber of the product cannot be obtained, the addition dosage of a bleaching reagent cannot be controlled in real time, and the quality of an enterprise cannot be easily kept in close.
Similar product uses in the laboratory, adopts hemisphere integral principle, and measurement accuracy is higher, but can only measure a whiteness value, and different samples of this kind of instrument can't satisfy continuous measurement, and the operation is unstable under the high temperature, because this kind of structure is similar to the lunar microscope measuring method, is manual measurement completely, and the measured value is confirmed to manual button, can not realize breaking away from the people completely and take a sample, lofting, measured full-automatic function.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to solve the technical problem of providing a fiber whiteness measuring system aiming at the defects of the prior art.
In order to solve the technical problem, the invention discloses a fiber whiteness measuring system, which comprises a gripping device and a measuring device, wherein the gripping device is used for gripping a fiber whiteness measuring device; the grabbing device comprises a frame, the frame comprises an upper frame and a bottom frame, the upper frame and the bottom frame are separated by a middle partition plate, two ball screws are arranged on the upper frame and are connected with an installation plate through ball nuts, a lifting cylinder is arranged on the installation plate, a bottom piston rod of the lifting cylinder is connected with a fixed block, the fixed block is connected with a lifting plate, the lifting plate penetrates through the middle partition plate and is connected with a clamp arm control box, the clamp arm control box is connected with a control clamp arm, and a measuring device installation box is arranged on the bottom frame on the other side of the clamp arm control box;
the measuring device is arranged in the measuring device mounting box and comprises a box body and an integrating sphere, the integrating sphere is arranged on one side of the box body, a light source is arranged at one end of the box body, a light screen, a first convex mirror, a second convex mirror and a reflecting mirror are sequentially arranged at the other end of the light source, the integrating sphere is matched with the reflecting mirror, and light emitted from the light source is reflected to the integrating sphere after passing through the light screen, the first convex mirror, the second convex mirror and the reflecting mirror; one side of the integrating sphere, which is far away from the reflector, is provided with a transmission lens which is abutted against a measured object, and one side of the integrating sphere is provided with a photoelectric sensor.
In the invention, a feeding hole is formed in the side wall of the bottom frame at the upper part of one side of the measuring device installation box.
In the invention, a discharge hole is formed in the side wall of the bottom frame at one side of the measuring device installation box.
In the invention, two groups of limiting rolling shafts are arranged on the mounting plate and are respectively arranged on two sides of the lifting plate.
In the invention, an extrusion cylinder used for attaching the fiber to the measuring device is arranged on the outer side of the mounting box of the measuring device.
In the invention, the upper frame is provided with a material taking buffer rod for limiting the mounting plate.
In the invention, the middle partition plate is provided with a feeding buffer rod for limiting the fixed block.
In the invention, a filter is arranged between the photoelectric sensor and the integrating sphere.
In the invention, the bottom of the reflector is provided with a micro motor for controlling the reflector to rotate.
In the invention, the inner wall of the integrating sphere is coated with a silicon oxide material.
Has the advantages that: the whiteness is measured fully automatically without manual assistance, a new sample is measured once within 20-25 seconds of single measurement time, the measurement is continuous, the instrument is high-temperature resistant, and can run for a long time in an environment of 80 ℃, and because reliable components are selected, the instrument is controlled by a computer PLC, the operation is simple, the picture is direct, and the daily maintenance is convenient; meanwhile, the whiteness of the instrument system is controlled within 0.5% with high precision, the repeatability reaches 0.1%, the laboratory personnel are reduced when the instrument is put into use, and the labor cost is saved; meanwhile, the instrument can ensure that the sample is put into a raw material bin for production without pollution, the whole measurement is realized without wasting products, waste materials are not created, and the cost is saved.
Drawings
The foregoing and/or other advantages of the invention will become further apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
FIG. 1 is a first schematic structural view of a grasping apparatus;
FIG. 2 is a schematic structural view II of the grasping apparatus;
FIG. 3 is a first schematic view of a measuring apparatus;
fig. 4 is a schematic structural diagram of the measuring device.
Detailed Description
Example (b):
as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the present embodiment provides a fiber whiteness measuring system, which includes a frame 1, an upper frame 2, a bottom frame 3, a middle partition plate 4, a ball screw 5, a mounting plate 6, a lifting cylinder 7, a fixing block 8, a lifting plate 9, a caliper arm control box 10, a caliper arm 11, a measuring device mounting box 12, a feed inlet 13, a discharge outlet 14, a limiting roller 15, a squeezing cylinder 16, a material taking buffer rod 17, a material feeding buffer rod 18, a box 19, an integrating sphere 20, a light source 21, a light shielding plate 22, a first convex mirror 23, a second convex mirror 24, a reflective mirror 25, a transmission lens 26, a photoelectric sensor 27 and a mounting seat 28;
specifically, grabbing device includes frame 1, and frame 1 includes upper portion frame 2 and bottom frame 3, is separated by intermediate bottom 4 between upper portion frame 2 and the bottom frame 3, be equipped with two ball 5 on the frame of upper portion, two ball pass through ball nut and connect mounting panel 6, are equipped with lift cylinder 7 on the mounting panel, and lift cylinder's bottom piston rod connects fixed block 8, and the lifter plate 9 is connected to the fixed block, and the lifter plate passes intermediate bottom and connects tong arm control box 10, and tong arm control box 10 connects control tong arm 11, is equipped with measuring device install bin 12 on the bottom frame of tong arm control box 10 opposite side. The measuring device is arranged in the measuring device installation box.
In this embodiment, a feeding hole 13 is formed in the side wall of the bottom frame at the upper portion of one side of the measuring device installation box, and the fibers are clamped by the clamp arm 11 from the feeding hole 13.
In this embodiment, the bottom frame lateral wall of measuring device install bin one side is equipped with discharge gate 14, and the fibre that has measured through measuring device extrudees away from discharge gate 14.
In this embodiment, two sets of limiting rollers 15 are arranged on the mounting plate, and are respectively arranged on two sides of the lifting plate, so as to limit the lifting of the lifting plate 9 in the vertical direction.
In this embodiment, the measuring device install bin outside is equipped with and is used for pasting the extrusion cylinder 16 on measuring device with the fibre, and extrusion cylinder 16's piston rod and measuring device position adaptation push up the fibre inwards on measuring device's measuring station.
In this embodiment, be equipped with on the frame of upper portion and get material buffer beam 17 spacing to the mounting panel, when the tong arm was got the material, get material buffer beam 17 butt mounting panel, it is spacing to cushion.
In this embodiment, the intermediate partition plate is provided with a feeding buffer rod 18 for limiting the fixed block, and when the caliper arm feeds, the feeding buffer rod 18 abuts against the fixed block for buffering and limiting.
When the device is used, as shown in fig. 1, the lifting cylinder 7 controls the clamp arm to ascend, then the mounting plate 6 moves towards the feeding hole 13 on the ball screw 5, the clamp arm clamps a fiber raw material to be detected, then the clamp arm transversely moves downwards and is sent into the measuring device mounting box 12, and the extrusion cylinder 16 pushes the limiting extrusion to a measuring station of the measuring device for whiteness detection. And sequentially detecting, and extruding the detected limit into the recovery device through the discharge hole 14.
The measuring device comprises a box body 19 and an integrating sphere 20, wherein the integrating sphere is arranged on one side of the box body, one end of the box body is provided with a light source 21, the other end of the light source 21 is sequentially provided with a light screen 22, a first convex mirror 23, a second convex mirror 24 and a reflecting mirror 25, the integrating sphere 20 is matched with the reflecting mirror 25, and light emitted from the light source is reflected to the integrating sphere after passing through the light screen, the first convex mirror, the second convex mirror and the reflecting mirror; one side of the integrating sphere, which is far away from the reflector, is provided with a transmission lens 26 which is abutted against a measured object, the measured object is positioned outside the projection lens, and one side of the integrating sphere is provided with a photoelectric sensor 27. An optical filter is arranged between the photoelectric sensor and the integrating sphere, and the optical filter can isolate light influencing measurement and only can pass blue light. The bottom of the reflector is provided with a micro motor for controlling the reflector to rotate, and the angle is changed to achieve two angles of the measurement sample and the measurement integrating sphere. The inner wall of the integrating sphere is coated with silicon oxide material which has high performance and can be totally reflected. The light source is a tungsten light source which is stable, moderate in intensity and long in service life. The transmission lens is high-performance glass with 99.9% of transmission rate, and can block the outsourcing object from entering the integrating sphere.
The embodiment specifically includes:
light source: selecting a tungsten light source with stable light source, moderate intensity, long service life and other performances; the shading plate is used for selecting a light source with a proper size for measurement, and the other light sources are absorbed and blocked;
a first convex mirror; the divergent light source is changed into more parallel light, and the focal length of the first convex mirror is 80mm in the embodiment;
a second convex mirror: the emitting direction of the light source is changed to be suitable for the measured light again, and the focal length of the first convex mirror is 120mm in the embodiment; a reflector: the main function is to change the direction of the light source, so that the light can be emitted to the integrating hemisphere, and the micro motor can be moved to change the angle to achieve two angles of the measuring sample and the measuring integrating sphere;
a transmission lens: the lens is high-performance glass with 99.9 percent of transmittance, and can also prevent the outsourcing articles from entering the integrating sphere, thereby achieving the dual purposes;
integrating sphere: the ball body is internally coated with a high-performance and totally-reflective coating silicon oxide material and is fired at high temperature, so that the advantages of long service life, no yellowing of color and the like are achieved, the measurement accuracy of a whiteness meter is improved, and the service life of the whiteness meter is prolonged;
photoelectric sensor containing optical filter: the filter can isolate the light influencing the measurement and only can pass blue light.
The working process is as follows:
firstly, an object to be measured is sent to a measuring area, namely the position outside a lens, by an automatic machine sampling hand, the micro motor controls the angle of a reflector, so that light beams just irradiate the position of a transmission lens at the position of a sample, a part of light source at the position is absorbed by the sample, the rest is uniformly and diffusely reflected by a sphere, a light filter at the front end of a photoelectric sensor filters other visible light and invisible light which interfere with measurement, the photoelectric sensor receives light signals only through the light rays to be measured, the light signals are transmitted to a computer through a signal amplification plate, and the time for measuring the sample is only 2 seconds; then the micro motor controls the angle of the reflector, so that the light is transferred to the spherical surface of the whole integrating sphere to be measured, the light is subjected to spherical surface total reflection, the light is uniformly and diffusely reflected, and the photoelectric sensor obtains a signal of a reference value again; this signal is also passed through a signal amplification board and sent to a computer for calculating and comparing the final whiteness value to the actual sample.
The principle is as follows:
the instrument utilizes the integrating sphere to realize the measurement of absolute spectrum diffuse reflectance, light emitted by the halogen tungsten lamp enters the integrating sphere through the 2-level collecting lens and the reflecting plate, after the light is diffusely reflected on the inner wall of the integrating sphere, when the light changes direction and irradiates on a sample at a test port, the light reflected by the sample is totally reflected by the diffuse reflection sphere, and the light is received by the silicon photocell after passing through the filter set and is converted into an electric signal. The direction of the reflecting plate is changed, light rays are emitted into the inner wall of the integrating sphere, the light rays are totally reflected, are received by the silicon photocell after passing through the optical filter, are converted into electric signals finally and are connected to the computer to obtain the reference value of whiteness, and finally the whiteness value of the actual sample is obtained through calculation and comparison.
The present invention provides a system for measuring whiteness of fiber, and a method for implementing the system, and the method and the way for implementing the technical scheme are many, and the above description is only a preferred embodiment of the present invention, it should be noted that, for those skilled in the art, many modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention. All the components not specified in the present embodiment can be realized by the prior art.
Claims (10)
1. A fiber whiteness measuring system is characterized by comprising a gripping device and a measuring device; the grabbing device comprises a frame, the frame comprises an upper frame and a bottom frame, the upper frame and the bottom frame are separated by a middle partition plate, two ball screws are arranged on the upper frame and are connected with an installation plate through ball nuts, a lifting cylinder is arranged on the installation plate, a bottom piston rod of the lifting cylinder is connected with a fixed block, the fixed block is connected with a lifting plate, the lifting plate penetrates through the middle partition plate and is connected with a clamp arm control box, the clamp arm control box is connected with a control clamp arm, and a measuring device installation box is arranged on the bottom frame on the other side of the clamp arm control box;
the measuring device is arranged in the measuring device mounting box and comprises a box body and an integrating sphere, the integrating sphere is arranged on one side of the box body, a light source is arranged at one end of the box body, a light screen, a first convex mirror, a second convex mirror and a reflecting mirror are sequentially arranged at the other end of the light source, the integrating sphere is matched with the reflecting mirror, and light emitted from the light source is reflected to the integrating sphere after passing through the light screen, the first convex mirror, the second convex mirror and the reflecting mirror; one side of the integrating sphere, which is far away from the reflector, is provided with a transmission lens which is abutted against a measured object, and one side of the integrating sphere is provided with a photoelectric sensor.
2. A fiber whiteness measuring system according to claim 1, wherein a feed inlet is provided in a side wall of the bottom frame at an upper part of one side of the measuring apparatus installation box.
3. A fiber whiteness measuring system according to claim 1, wherein a discharge port is provided on a side wall of the bottom frame on the side of the measuring apparatus installation box.
4. A fiber whiteness measuring system according to claim 1, wherein the mounting plate is provided with two sets of limiting rollers, which are arranged on two sides of the lifting plate.
5. A fiber whiteness measuring system according to claim 1, wherein a squeezing cylinder for attaching the fiber to the measuring device is provided outside the measuring device installation box.
6. A fiber whiteness measurement system according to claim 1, wherein the upper frame is provided with a take-off buffer bar for limiting the mounting plate.
7. A fiber whiteness measuring system according to claim 1, wherein the intermediate partition plate is provided with a feeding buffer rod for limiting a fixed block.
8. A fiber whiteness measurement system according to claim 1, wherein a filter is disposed between the photoelectric sensor and the integrating sphere.
9. A fiber whiteness measurement system according to claim 1, wherein a micro motor is provided at the bottom of the reflector for controlling the rotation of the reflector.
10. A fiber whiteness measurement system according to claim 1, wherein the inner wall of the integrating sphere is coated with a silicon oxide material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110621713.XA CN113203692A (en) | 2021-06-03 | 2021-06-03 | Fiber whiteness measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110621713.XA CN113203692A (en) | 2021-06-03 | 2021-06-03 | Fiber whiteness measuring system |
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| Publication Number | Publication Date |
|---|---|
| CN113203692A true CN113203692A (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110621713.XA Pending CN113203692A (en) | 2021-06-03 | 2021-06-03 | Fiber whiteness measuring system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104848943A (en) * | 2015-05-18 | 2015-08-19 | 上海新纤仪器有限公司 | Textile chroma and color difference testing device and testing method thereof |
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| CN106944567A (en) * | 2017-03-24 | 2017-07-14 | 合肥工业大学 | A kind of telescopic loading and unloading manipulator for stamping |
| CN107937248A (en) * | 2017-12-28 | 2018-04-20 | 湖州品创孵化器有限公司 | A kind of microbiological incubator |
| CN107934521A (en) * | 2017-11-16 | 2018-04-20 | 湖南洋利农林科技有限责任公司 | A kind of aseptic culture puma manipulator |
| CN209613265U (en) * | 2018-12-27 | 2019-11-12 | 杨永俊 | Manipulator for the clamping of bottle centrifuge tubing consumptive material |
-
2021
- 2021-06-03 CN CN202110621713.XA patent/CN113203692A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104848943A (en) * | 2015-05-18 | 2015-08-19 | 上海新纤仪器有限公司 | Textile chroma and color difference testing device and testing method thereof |
| CN205679531U (en) * | 2016-06-17 | 2016-11-09 | 何潜龙 | A kind of automation brightening agent detection device |
| CN206074286U (en) * | 2016-08-26 | 2017-04-05 | 邯郸宏大化纤机械有限公司 | A kind of Pilus Caprae seu Oviss grab sampling machine structure for being applicable to different pouch-type |
| CN106944567A (en) * | 2017-03-24 | 2017-07-14 | 合肥工业大学 | A kind of telescopic loading and unloading manipulator for stamping |
| CN107934521A (en) * | 2017-11-16 | 2018-04-20 | 湖南洋利农林科技有限责任公司 | A kind of aseptic culture puma manipulator |
| CN107937248A (en) * | 2017-12-28 | 2018-04-20 | 湖州品创孵化器有限公司 | A kind of microbiological incubator |
| CN209613265U (en) * | 2018-12-27 | 2019-11-12 | 杨永俊 | Manipulator for the clamping of bottle centrifuge tubing consumptive material |
Non-Patent Citations (1)
| Title |
|---|
| 李国龙: "白度测量***的设计和应用", 《中国优秀博硕士学位论文全文数据库(硕士)基础科学辑》 * |
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Application publication date: 20210803 |
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