CN109580569A - The detection device of coating slurry - Google Patents
The detection device of coating slurry Download PDFInfo
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- CN109580569A CN109580569A CN201811620650.0A CN201811620650A CN109580569A CN 109580569 A CN109580569 A CN 109580569A CN 201811620650 A CN201811620650 A CN 201811620650A CN 109580569 A CN109580569 A CN 109580569A
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- 239000006255 coating slurry Substances 0.000 title claims abstract description 42
- 238000001514 detection method Methods 0.000 title claims abstract description 35
- 239000011248 coating agent Substances 0.000 claims abstract description 47
- 238000000576 coating method Methods 0.000 claims abstract description 47
- 230000005284 excitation Effects 0.000 claims abstract description 39
- 238000012545 processing Methods 0.000 claims abstract description 36
- 238000005259 measurement Methods 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000000354 decomposition reaction Methods 0.000 claims description 15
- 238000005086 pumping Methods 0.000 claims description 7
- 239000002159 nanocrystal Substances 0.000 claims description 3
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 3
- 150000002910 rare earth metals Chemical class 0.000 claims description 3
- 238000001228 spectrum Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004020 luminiscence type Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005250 beta ray Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000007581 slurry coating method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6402—Atomic fluorescence; Laser induced fluorescence
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The invention proposes a kind of detection devices of coating slurry, fluorescent material is evenly distributed in coating slurry, detection device includes: transmitting unit, and for emitting at least two different location of incident beam to measurement equipment to be checked respectively, equipment surface to be detected is coated with coating slurry；Measurement equipment to be checked, for generating excitation beam under the action of incident beam；Processing unit generates corresponding map, is compared at least two map of generation, obtain the coating uniformity degree of coating slurry for handling excitation beam.The detection device of coating slurry of the invention can in more detail can be analyzed and evaluated the uniformity of coating, from microcosmic angle evaluating to the coating ability of coating equipment to detect the coating ability of coating equipment.
Description
Technical field
The present invention relates to paint-on technique field more particularly to a kind of detection devices of coating slurry.
Background technique
Have with consistency (voltage, capacitor, internal resistance, self-discharge rate etc.) and performance of the battery on a vehicle to battery core
There is very high requirement, and the uniformity of battery spreading mass coating there is strong influence therefore to comment the consistency of battery battery core
The coating ability of valence coating equipment becomes the very important action in cell production process.
In the related technology, mainly close according to visual appearance, sampling or online β-ray monitoring surface to the evaluation of slurry coating
Degree is evaluated the ability of coating equipment with this evaluating coating effect, but such mode can only be from the angle pair of macroscopic view
The coating ability of coating equipment is evaluated, can not the detailed uniformity to coating be analyzed and evaluated.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, uniformly dividing in coating slurry an object of the present invention is to provide a kind of detection device of coating slurry
It is furnished with fluorescent material, detection device includes: transmitting unit, for emitting at least two of incident beam to measurement equipment to be checked respectively
Different location, equipment surface to be detected are coated with coating slurry；Measurement equipment to be checked, for generating under the action of incident beam
Excitation beam；Processing unit generates corresponding map for handling excitation beam, at least two map of generation into
Row compares, and obtains the coating uniformity degree of coating slurry.It can be from microcosmic angle commenting to the coating ability of coating equipment
Valence can in more detail be analyzed and evaluated the uniformity of coating, to detect the coating ability of coating equipment.
In order to achieve the above object, first aspect present invention embodiment proposes a kind of detection device of coating slurry, the painting
It covers and is evenly distributed with fluorescent material in slurry, the detection device includes:
Transmitting unit, it is described to be detected for emitting at least two different location of incident beam to measurement equipment to be checked respectively
Equipment surface is coated with the coating slurry；
The measurement equipment to be checked, for generating excitation beam under the action of the incident beam；
Processing unit generates corresponding map, at least two institute of generation for handling the excitation beam
It states map to be compared, obtains the coating uniformity degree of the coating slurry.
The detection device of the coating slurry proposed according to embodiments of the present invention is evenly distributed with fluorescence in coating slurry
Matter, detection device include: transmitting unit, for emitting at least two different location of incident beam to measurement equipment to be checked respectively, to
Detection device surface is coated with coating slurry；Measurement equipment to be checked, for generating excitation beam under the action of incident beam；Place
Reason unit generates corresponding map, is compared, obtains at least two map of generation for handling excitation beam
The coating uniformity degree of coating slurry.It can be from microcosmic angle evaluating to the coating ability of coating equipment, it can be more detailed
Thin is analyzed and evaluated the uniformity of coating, to detect the coating ability of coating equipment.
According to one embodiment of present invention, the transmitting unit includes: signal projector, for emitting pumping signal extremely
Laser；The laser, for generating the incident beam under the action of pumping signal.
According to one embodiment of present invention, the transmitting unit further include: focus module, for raw to the laser
At the incident beam be focused, generate focus after the incident beam.
According to one embodiment of present invention, the focus module is condenser lens.
According to one embodiment of present invention, the processing unit includes: monochromator, for carrying out to the excitation beam
It decomposes, obtains decomposing light beam；Processing equipment obtains the light intensity of digital signals format for converting to the decomposition light beam
And wavelength, the map is generated according to the light intensity and wavelength.
According to one embodiment of present invention, the processing unit further include: photomultiplier tube, for the monochromator
The decomposition light beam of output amplifies processing, obtains the amplified decomposition light beam, and by the amplified decomposition
Light beam is exported to the processing equipment.
According to one embodiment of present invention, the processing unit further include: concentration module, for the excitation beam
Optically focused processing is carried out, the excitation beam after generating optically focused, and the excitation beam after optically focused is exported to the monochromator.
According to one embodiment of present invention, the concentration module is optically focused convex lens.
According to one embodiment of present invention, the fluorescent material includes rare earth doped NaYF4 nanocrystal.
According to one embodiment of present invention, the fluorescent material is NaYF4:20%Yb, 2%Er；The processing unit
Be specifically used for: the intensity of the green light of 539nm wavelength is compared in the map described at least two of generation, obtains the coating
The coating uniformity degree of slurry.
Detailed description of the invention
Fig. 1 is the structure chart of the detection device of coating slurry according to an embodiment of the invention；
Fig. 2 is the spectrogram of up-conversion luminescence；
Fig. 3 is the schematic diagram of up-conversion luminescence.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
With reference to the accompanying drawing come describe the embodiment of the present invention coating slurry detection device.
Fig. 1 is the structure chart of the detection device of coating slurry according to an embodiment of the invention, as shown in Figure 1, the inspection
Surveying device includes:
Transmitting unit 11, it is to be detected for emitting at least two different location of incident beam to measurement equipment 12 to be checked respectively
12 surface of equipment is coated with coating slurry；
Measurement equipment 12 to be checked, for generating excitation beam under the action of incident beam；
Processing unit 13 generates corresponding map, at least two map of generation for handling excitation beam
It is compared, obtains the coating uniformity degree of coating slurry.
In the embodiment of the present invention, fluorescent material is evenly distributed in coating slurry, 12 surface of measurement equipment to be checked, which is coated with, to be applied
Slurry is covered, transmitting unit 11 emits at least two different location of incident beam to measurement equipment 12 to be checked, measurement equipment 12 to be checked respectively
Fluorescent material in upper coating slurry generates excitation beam under the action of incident beam, and processing unit 13 treats detection device
12 excitation beams generated are handled, and are generated corresponding map, are compared, are coated at least two map of generation
The coating uniformity degree of slurry.
As a kind of feasible embodiment, the light of the incident beam that transmitting unit 11 emits concretely 976nm wavelength
Beam；Fluorescent material may include rare earth doped NaYF4 nanocrystal, and concretely NaYF4:20%Yb, 2%Er, then to be checked
The excitation beam that measurement equipment 12 generates can be NaYF4:20%Yb, the green light for the 539nm wavelength that 2%Er up-conversion luminescence generates.
The green light of the 539nm wavelength of 13 pairs of processing unit generations carries out processing and generates corresponding spectrum as shown in Figure 2, then to generation
At least two map in the intensity of green light of 539nm wavelength be compared, obtain the coating uniformity degree of coating slurry.Its
In, up-conversion luminescence, that is, trans- Stokes shines, and is that a kind of fluorescent material is excited by incident light, issues and be less than excitation wavelength
Light phenomenon, with NaYF4:20%Yb, for 2%Er, when the light beam of 976nm wavelength is incident on NaYF4:20%Yb, 2%Er
When upper, as shown in figure 3, Er3+In be in4I15/2The infrared photon of two 976nm of electronics continuous absorption of energy level, from4I15/2Energy level
It transits to2H11/2Energy level, then from2H11/2Energy level directly returns4I15/2Energy level issues the green light of 539nm.
The detection device of the coating slurry proposed according to embodiments of the present invention is evenly distributed with fluorescence in coating slurry
Matter, detection device include: transmitting unit, for emitting at least two different location of incident beam to measurement equipment to be checked respectively, to
Detection device surface is coated with coating slurry；Measurement equipment to be checked, for generating excitation beam under the action of incident beam；Place
Reason unit generates corresponding map, is compared, obtains at least two map of generation for handling excitation beam
The coating uniformity degree of coating slurry.It can be from microcosmic angle evaluating to the coating ability of coating equipment, it can be more detailed
Thin is analyzed and evaluated the uniformity of coating, to detect the coating ability of coating equipment.
Further, as shown in Figure 1, transmitting unit 11 can include:
Signal projector 21, for emitting pumping signal to laser 22；
Laser 22, for generating incident beam under the action of pumping signal.
In the embodiment of the present invention, the 976nm infrared semiconductor laser of the concretely power adjustable of laser 22 is then incident
The light beam that light beam can be 976nm for the wavelength of a certain rated power.
Further, as shown in Figure 1, transmitting unit 11 may also include that
Focus module 23, the incident beam for generating to laser 22 are focused, and generate the incident beam after focusing.
In the embodiment of the present invention, the concretely condenser lens of focus module 23.
Further, as shown in Figure 1, processing unit 13 can include:
Monochromator 25 obtains decomposing light beam for decomposing excitation beam；
Processing equipment 27 obtains the light intensity and wavelength of digital signals format, according to light for converting to decomposition light beam
Strong and wavelength generates map.
In the embodiment of the present invention, monochromator 25 can specifically be analyzed excitation beam by internal diffraction grating, be obtained
To decomposition light beam；The concretely computer of processing equipment 27.
Further, as shown in Figure 1, processing unit 13 may also include that
Photomultiplier tube 26, the decomposition light beam for exporting to monochromator 25 amplify processing, obtain amplified point
Light beam is solved, and amplified decomposition light beam is exported to processing equipment 27.
Further, as shown in Figure 1, processing unit 13 may also include that
Concentration module 24, for carrying out optically focused processing to excitation beam, the excitation beam after generating optically focused, and export optically focused
Excitation beam afterwards is to monochromator 25.
In the embodiment of the present invention, the concretely optically focused convex lens of concentration module 24.
The working principle of the detection device of the coating slurry of the embodiment of the present invention is as follows: the transmitting excitation letter of signal projector 21
Number to laser 22, laser 22 generates incident beam under the action of pumping signal, and focus module 23 generates laser 22
Incident beam be focused, generate focus after incident beam, incident beam be incident on be placed on it is to be detected on station
In equipment 12, fluorescent material generates excitation beam, 24 pairs of concentration module excitations under incident beam effect on measurement equipment 12 to be checked
Light beam carries out optically focused processing, the excitation beam after generating optically focused, and exports the excitation beam after optically focused to monochromator 25, monochromator
25 pairs of excitation beams decompose, and obtain decomposing light beam, the decomposition light beam that photomultiplier tube 26 exports monochromator 25 is put
Big processing, obtains amplified decomposition light beam, and amplified decomposition light beam is exported to processing equipment 27, processing equipment 27 is right
It decomposes light beam to be converted, obtains the light intensity and wavelength of digital signals format, map is generated according to light intensity and wavelength.Respectively along x
Axis, y-axis adjust the position of measurement equipment 12 to be checked, multiple maps of 12 different location of measurement equipment to be checked are produced, to the more of generation
A map is compared, and the coating uniformity degree of coating slurry can be obtained.
The detection device of the coating slurry proposed according to embodiments of the present invention is evenly distributed with fluorescence in coating slurry
Matter, detection device include: transmitting unit, for emitting at least two different location of incident beam to measurement equipment to be checked respectively, to
Detection device surface is coated with coating slurry；Measurement equipment to be checked, for generating excitation beam under the action of incident beam；Place
Reason unit generates corresponding map, is compared, obtains at least two map of generation for handling excitation beam
The coating uniformity degree of coating slurry.It can be from microcosmic angle evaluating to the coating ability of coating equipment, it can be more detailed
Thin is analyzed and evaluated the uniformity of coating, to detect the coating ability of coating equipment.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
It can be combined in any suitable manner in a or multiple embodiment or examples.In addition, without conflicting with each other, the technology of this field
The feature of different embodiments or examples described in this specification and different embodiments or examples can be combined by personnel
And combination.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of detection device of coating slurry, which is characterized in that fluorescent material is evenly distributed in the coating slurry, it is described
Detection device includes:
Transmitting unit, for emitting at least two different location of incident beam to measurement equipment to be checked, the measurement equipment to be checked respectively
Surface is coated with the coating slurry；
The measurement equipment to be checked, for generating excitation beam under the action of the incident beam；
Processing unit generates corresponding map, schemes described at least two of generation for handling the excitation beam
Spectrum is compared, and obtains the coating uniformity degree of the coating slurry.
2. detection device according to claim 1, which is characterized in that the transmitting unit includes:
Signal projector, for emitting pumping signal to laser；
The laser, for generating the incident beam under the action of pumping signal.
3. detection device according to claim 2, which is characterized in that the transmitting unit further include:
Focus module, the incident beam for generating to the laser are focused, and generate the incidence after focusing
Light beam.
4. detection device according to claim 3, which is characterized in that the focus module is condenser lens.
5. detection device according to claim 1, which is characterized in that the processing unit includes:
Monochromator obtains decomposing light beam for decomposing the excitation beam；
Processing equipment obtains the light intensity and wavelength of digital signals format, according to described for converting to the decomposition light beam
Light intensity and wavelength generate the map.
6. detection device according to claim 5, which is characterized in that the processing unit further include:
Photomultiplier tube obtains amplified institute for amplifying processing to the decomposition light beam that the monochromator exports
Decomposition light beam is stated, and the amplified decomposition light beam is exported to the processing equipment.
7. detection device according to claim 5, which is characterized in that the processing unit further include:
Concentration module, for carrying out optically focused processing to the excitation beam, the excitation beam after generating optically focused, and export poly-
The excitation beam after light is to the monochromator.
8. detection device according to claim 7, which is characterized in that the concentration module is optically focused convex lens.
9. detection device according to claim 1, which is characterized in that the fluorescent material includes rare earth doped
NaYF4 nanocrystal.
10. detection device according to claim 9, which is characterized in that the fluorescent material be NaYF4:20%Yb, 2%
Er；
The processing unit is specifically used for: the intensity of the green light of 539nm wavelength compares in the map described at least two of generation
Compared with obtaining the coating uniformity degree of the coating slurry.
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|---|---|---|---|
| CN201811620650.0A CN109580569A (en) | 2018-12-28 | 2018-12-28 | The detection device of coating slurry |
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| CN201811620650.0A CN109580569A (en) | 2018-12-28 | 2018-12-28 | The detection device of coating slurry |
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| CN201811620650.0A Pending CN109580569A (en) | 2018-12-28 | 2018-12-28 | The detection device of coating slurry |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110720666A (en) * | 2019-07-02 | 2020-01-24 | 昆山联滔电子有限公司 | Aerosol delivery device |
| CN111337490A (en) * | 2020-01-19 | 2020-06-26 | 广东微电新能源有限公司 | Battery gluing detection method |
| CN112285061A (en) * | 2019-07-24 | 2021-01-29 | 天津工业大学 | Method for quantitatively evaluating distribution uniformity degree of titanium powder added in high-solid-phase-content ceramic slurry by laser reflection method |
| CN112285066A (en) * | 2019-07-24 | 2021-01-29 | 天津工业大学 | Method for quantitatively evaluating distribution uniformity degree of titanium powder added into low-solid-phase-content zirconia slurry by laser transmission method |
| CN113764819A (en) * | 2021-08-26 | 2021-12-07 | 汤路华 | Diaphragm ductility test coating equipment for lithium battery |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110720666A (en) * | 2019-07-02 | 2020-01-24 | 昆山联滔电子有限公司 | Aerosol delivery device |
| CN110720666B (en) * | 2019-07-02 | 2022-06-14 | 昆山联滔电子有限公司 | Aerosol delivery device |
| CN112285061A (en) * | 2019-07-24 | 2021-01-29 | 天津工业大学 | Method for quantitatively evaluating distribution uniformity degree of titanium powder added in high-solid-phase-content ceramic slurry by laser reflection method |
| CN112285066A (en) * | 2019-07-24 | 2021-01-29 | 天津工业大学 | Method for quantitatively evaluating distribution uniformity degree of titanium powder added into low-solid-phase-content zirconia slurry by laser transmission method |
| CN111337490A (en) * | 2020-01-19 | 2020-06-26 | 广东微电新能源有限公司 | Battery gluing detection method |
| CN113764819A (en) * | 2021-08-26 | 2021-12-07 | 汤路华 | Diaphragm ductility test coating equipment for lithium battery |
| CN113764819B (en) * | 2021-08-26 | 2023-08-04 | 汕头市曜辉新能源有限公司 | Separator ductility test coating equipment for lithium battery |
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Address after: No.8899 Xincheng Avenue, Jintan District, Changzhou City, Jiangsu Province Applicant after: SVOLT Energy Technology Co.,Ltd. Address before: 213200 No. 168 Huacheng Middle Road, Jintan District, Suzhou City, Jiangsu Province Applicant before: SVOLT Energy Technology Co.,Ltd. |
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