Laser scribing dustproof device

By setting up a protective cover and an ion air knife in the laser marking equipment, combined with the use of dust extraction parts, the problem of dust residue after laser marking is solved, efficient dust removal effect is achieved, and the performance and stability of the thin film battery is protected.

CN119407334APending Publication Date: 2025-02-11HUANENG CLEAN ENERGY RES INST +1
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Patent Information

Application Number
CN202411852656.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-02-11

AI Technical Summary

Technical Problem

In the prior art, after laser marking, dust residues are difficult to completely remove, affecting the performance and stability of thin-film batteries.

Method used

A laser scribe dustproof device is designed, including a operating table, a protective cover, an ionic air knife and a dust extraction piece. By setting up a protective cover to suspend the dust, the ion air knife purifies the dust on the battery substrate and extracts the dust through the dust extraction part.

Benefits of technology

It effectively improves the dust removal effect and efficiency, prevents dust from adsorbing on the battery substrate, and ensures battery performance and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a laser scribing dustproof device which comprises an operation table, a protective cover, an ion air knife and a dust extraction piece, a battery base material is suitable for being placed on the surface of the operation table, the protective cover is arranged on the operation table in a covering mode, the ion air knife is arranged in the protective cover and located above the operation table, and the dust extraction piece is arranged on the surface of the operation table. The ion air knife can move relative to the operation table, the ion air knife is used for blowing dust on the battery base material, and the dust extraction piece is communicated with the interior of the protective cover and is used for extracting the dust in the protective cover. The laser scribing dustproof device is good in dust removal effect and high in dust removal efficiency.
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Description

Technical Field

[0001] The present invention relates to the field of photovoltaic technology, and in particular to a laser scribing dust prevention device. Background Art

[0002] With the rapid development of thin-film batteries, laser scribing equipment and related edge cleaning and dust removal equipment have been widely used. Laser scribing equipment uses the high temperature generated by the laser to melt the thin-film battery to achieve the purpose of removing materials. However, the dust residue after laser scribing is easily adsorbed on the thin-film battery, which will affect the final performance and stability of the battery, so the dust residue needs to be removed.

[0003] In the related art, dust on thin-film batteries is usually removed by vacuuming. However, due to the fineness of the dust particles and electrostatic adsorption, the dust removal is not thorough. Summary of the invention

[0004] The present invention aims to solve one of the technical problems in the related art at least to a certain extent. To this end, an embodiment of the present invention provides a laser scribing dust prevention device with good dust removal effect and high dust removal efficiency.

[0005] The laser scribing dust prevention device according to an embodiment of the present invention comprises:

[0006] an operating table, on the surface of which the battery substrate is suitable for being placed;

[0007] A protective cover, the protective cover is arranged on the operating table;

[0008] An ion air knife, the ion air knife is arranged in the protective cover and located above the operating table, the ion air knife is movable relative to the operating table, and the ion air knife is used to blow away the dust on the battery substrate;

[0009] A dust extractor is connected to the interior of the protective cover and is used to extract dust from the protective cover.

[0010] The laser scribing dust prevention device of the embodiment of the present invention provides a protective cover so that the dust generated when the laser scribing the battery substrate can be suspended in the protective cover to prevent the dust from overflowing. The dust on the battery substrate is blown away by an ion air knife, and the ion air knife is movable in the dust cover, which is convenient for blowing away the dust at different positions in the dust cover, making it difficult for the dust to be adsorbed on the battery substrate, facilitating the dust extraction by the dust extraction part, improving the dust extraction effect of the dust extraction part, and enhancing the dust removal effect of the laser scribing dust prevention device.

[0011] In some embodiments, the top surface of the protective cover has an opening, and the opening is arranged opposite to the operating table. A glass cover is provided at the opening, and a laser can scribe the battery substrate on the operating table through the glass cover.

[0012] In some embodiments, the laser scribing dust prevention device further includes a slide rail, wherein there are two slide rails, the two slide rails are respectively disposed on both sides of the operating table and arranged opposite to each other, and the ion air knife is slidably mounted on the slide rail.

[0013] In some embodiments, the laser scribing dust prevention device also includes a slider, there are two sliders, the two sliders correspond one-to-one to the two slide rails, the slider is slidably installed on the slide rails, and the ion wind knife is arranged between the two sliders and connected to the slider.

[0014] In some embodiments, the protective cover has an inlet and an outlet arranged opposite to each other, the battery substrate can enter the protective cover through the inlet and be placed on the operating table, and the outlet is used to take out the battery substrate from the protective cover.

[0015] In some embodiments, the laser scribing dust prevention device further includes a first baffle and a second baffle, wherein the first baffle is detachably disposed at the inlet, and the second baffle is detachably disposed at the outlet.

[0016] In some embodiments, the laser scribing dust prevention device further includes a dust extraction pipeline, one end of which is disposed on the second baffle and connected to the interior of the protective cover, and the other end of the dust extraction pipeline is connected to the dust extraction member.

[0017] In some embodiments, the ion air knife is movable in a direction from the inlet to the outlet.

[0018] In some embodiments, the laser scribing dust prevention device further includes a platform, the operating table is disposed on the surface of the platform, and the protective cover is disposed on the surface of the platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 Schematic diagram of the laser scribing dust prevention device according to an embodiment of the present invention with the inlet opened.

[0020] Figure 2 Schematic diagram of the laser scribing dust prevention device according to an embodiment of the present invention.

[0021] Figure numerals: 1. operating table; 11. perforation; 2. protective cover; 21. opening; 22. inlet; 3. ion air knife; 4. glass cover; 51. slide rail; 52. slider; 61. first baffle; 62. second baffle; 7. dust extraction pipeline; 8. platform. DETAILED DESCRIPTION

[0022] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0023] like Figure 1-2 As shown, the laser scribing dust prevention device of the embodiment of the present invention comprises an operating table 1, a protective cover 2, an ion air knife 3 and a dust extraction member (not shown). The battery substrate is suitable for being placed on the surface of the operating table 1. The protective cover 2 is provided on the operating table 1. The ion air knife 3 is provided in the protective cover 2 and is located above the operating table 1. The ion air knife 3 is used to blow away the dust on the battery substrate, and the ion air knife 3 is movable relative to the operating table 1. The dust extraction member is connected to the inside of the protective cover 2 and is used to extract the dust in the protective cover 2.

[0024] The laser scribing dust prevention device of the embodiment of the present invention, by providing a protective cover 2, allows the dust generated when the laser scribing the battery substrate to be suspended in the protective cover 2 to prevent the dust from overflowing, and the dust on the battery substrate is blown away by the ion air knife 3, and the ion air knife 3 is movable in the dust cover, which is convenient for blowing away the dust at different positions in the dust cover, making it difficult for the dust to be adsorbed on the battery substrate, facilitating the dust extraction by the dust extraction part, improving the dust extraction effect of the dust extraction part, and enhancing the dust removal effect of the laser scribing dust prevention device.

[0025] Specifically, the operating table 1 is provided with a plurality of spaced-apart through-holes 11, which are connected to an exhaust member (not shown). The exhaust member extracts wind in the through-holes 11, and when the battery substrate is on the operating table 1, the battery substrate can be adsorbed on the operating table 1 under the action of wind pressure, thereby ensuring that the battery substrate is firmly installed during operation.

[0026] Specifically, the wind speed and moving speed of the ion air knife 3 are adjustable. The ion air knife 3 can perform real-time purging processing following the laser scribing, or the ion air knife 3 can perform purging after the laser scribing is completed, thereby ensuring the purging effect of the ion air knife 3 on dust.

[0027] Specifically, the dust extraction component is a dust collecting fan.

[0028] In some embodiments, the top surface of the protective cover 2 has an opening 21, and the opening 21 is arranged opposite to the operating table 1. A glass cover 4 is provided at the opening 21, and the laser can scribe the battery substrate on the operating table 1 through the glass cover 4. Specifically, by providing the glass cover 4, it is convenient for the operator to observe the battery substrate in real time when scribe, thereby ensuring the laser scribing effect.

[0029] In some embodiments, the laser scribing dust prevention device further includes a slide rail 51 . There are two slide rails 51 . The two slide rails 51 are respectively disposed on both sides of the operating table 1 and arranged opposite to each other. The ion air knife 3 is slidably mounted on the slide rail 51 .

[0030] Specifically, the slide rail 51 extends along the first direction, and the ion air knife 3 is slidably installed on the slide rail 51, so as to ensure that the ion air knife 3 is stable and can completely sweep away the dust when moving in the first direction.

[0031] In some embodiments, the laser scribing dust prevention device also includes a slider 52, there are two sliders 52, the two sliders 52 correspond one to one with the two slide rails 51, the slider 52 is slidably installed on the slide rail 51, and the ion air knife 3 is arranged between the two sliders 52 and connected to the slider 52.

[0032] Specifically, the slider 52 is slidably mounted on the slide rail 51, and the ion air knife 3 is slidably mounted on the slide rail 51 by being connected to the slider 52. The implementation is simple, the operation is convenient, and the structure is simple, saving the manufacturing cost.

[0033] In some embodiments, the protective cover 2 has an inlet 22 and an outlet (not shown) arranged opposite to each other. The battery substrate can enter the protective cover 2 through the inlet 22 and be disposed on the operating table 1 . The outlet is used to take out the battery substrate from the protective cover 2 .

[0034] Specifically, the inlet 22 and the outlet are arranged relative to each other in the first direction, so that the battery substrate can be easily put into and removed from the protective cover 2, and the operation is convenient.

[0035] In some embodiments, the laser scribing dust prevention device further includes a first baffle 61 and a second baffle 62 , wherein the first baffle 61 is detachably disposed at the inlet 22 , and the second baffle 62 is detachably disposed at the outlet.

[0036] Specifically, when the battery substrate enters the protective cover 2, the first baffle 61 is removed, the battery substrate is placed in the protective cover 2, and the first baffle 61 is installed at the inlet 22 to close the protective cover 2 to prevent dust from spilling out, so that the ion air knife 3 can blow the dust and extract the dust through the dust extraction part. When the battery substrate is taken out of the protective cover 2, the second baffle 62 is removed, the battery substrate is taken out through the outlet, and the second baffle 62 is installed at the outlet. Through the above operation, the operation process is simple, easy to implement, and the dust removal effect is guaranteed.

[0037] In some embodiments, the laser scribing dust prevention device further includes a dust extraction pipeline 7, one end of which is disposed on the second baffle 62 and communicated with the interior of the protective cover 2, and the other end of the dust extraction pipeline 7 is communicated with the dust extraction member. Specifically, the dust extraction member extracts dust in the protective cover 2 through the dust extraction pipeline 7, and the operation is simple and easy to implement.

[0038] In some embodiments, the ion air knife 3 can move in the direction from the inlet 22 to the outlet to achieve comprehensive sweeping of dust in the dust cover to avoid dust residue and influence on battery performance.

[0039] In some embodiments, the laser scribing dustproof device further comprises a platform 8, the operating table 1 is arranged on the surface of the platform 8, and the protective cover 2 is arranged on the surface of the platform 8. Specifically, the arrangement of the platform 8 facilitates the installation of the operating table 1 and the protective cover 2, and also facilitates the movement of the laser scribing dustproof device, thereby improving the applicability of the dustproof device.

[0040] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0041] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0042] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0044] In the present invention, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0045] Although the above embodiments have been shown and described, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations on the present invention. Changes, modifications, substitutions and variations of the above embodiments by those of ordinary skill in the art are all within the scope of protection of the present invention.

Claims

1. A laser scribing dust prevention device, characterized in that: include: An operating table (1), on the surface of which the battery substrate is suitable for being placed; A protective cover (2), wherein the protective cover (2) is disposed on the operating table (1); an ion wind knife (3), the ion wind knife (3) being arranged in the protective cover (2) and located above the operating table (1), the ion wind knife (3) being movable relative to the operating table (1), and the ion wind knife (3) being used to blow away dust on the battery substrate; A dust extraction piece is connected to the interior of the protective cover (2) and is used to extract dust from the protective cover (2).

2. The laser scribing dust prevention device according to claim 1, characterized in that: The top surface of the protective cover (2) has an opening (21), the opening (21) is arranged opposite to the operating table (1), a glass cover (4) is provided at the opening (21), and a laser can scribe the battery substrate on the operating table (1) through the glass cover (4).

3. The laser scribing dust prevention device according to claim 1, characterized in that: It also comprises a slide rail (51), wherein there are two slide rails (51), the two slide rails (51) are respectively arranged on two sides of the operating table (1) and are arranged opposite to each other, and the ion air knife (3) is slidably mounted on the slide rails (51).

4. The laser scribing dust prevention device according to claim 3, characterized in that: It also includes a slider (52), wherein there are two sliders (52), the two sliders (52) correspond one to one to the two slide rails (51), the sliders (52) are slidably mounted on the slide rails (51), and the ion wind knife (3) is arranged between the two sliders (52) and connected to the slider (52).

5. The laser scribing dust prevention device according to claim 1, characterized in that: The protective cover (2) has an inlet (22) and an outlet arranged opposite to each other. The battery substrate can enter the protective cover (2) through the inlet (22) and is arranged on the operating table (1). The outlet is used to take out the battery substrate from the protective cover (2).

6. The laser scribing dust prevention device according to claim 5, characterized in that: It also includes a first baffle (61) and a second baffle (62), wherein the first baffle (61) is detachably arranged at the inlet (22), and the second baffle (62) is detachably arranged at the outlet.

7. The laser scribing dust prevention device according to claim 6, characterized in that: It also comprises a dust extraction pipeline (7), one end of which is arranged on the second baffle (62) and communicated with the interior of the protective cover (2), and the other end of which is communicated with the dust extraction member.

8. The laser scribing dust prevention device according to claim 5, characterized in that: The ion air knife (3) can move in a direction from the inlet (22) to the outlet.

9. The laser scribing dust prevention device according to claim 1, characterized in that: It also comprises a platform (8), the operating table (1) is arranged on the surface of the platform (8), and the protective cover (2) is arranged on the surface of the platform (8).

Citation Information

Patent Citations

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