CN109580569A - The detection device of coating slurry - Google Patents

The detection device of coating slurry Download PDF

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Publication number
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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CN
China
Prior art keywords
coating
detection device
coating slurry
equipment
slurry
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811620650.0A
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Chinese (zh)
Inventor
刘丰
刘祥哲
祁朋飞
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Svolt Energy Technology Co Ltd
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Svolt Energy Technology Co Ltd
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Filing date
Publication date
Application filed by Svolt Energy Technology Co Ltd filed Critical Svolt Energy Technology Co Ltd
Priority to CN201811620650.0A priority Critical patent/CN109580569A/en
Publication of CN109580569A publication Critical patent/CN109580569A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64Fluorescence; Phosphorescence
    • G01N21/6402Atomic fluorescence; Laser induced fluorescence

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

The detection device of coating slurry
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.
CN201811620650.0A 2018-12-28 2018-12-28 The detection device of coating slurry Pending CN109580569A (en)

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Cited By (5)

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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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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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Application publication date: 20190405