CN113731863B - Battery piece sorting equipment and battery piece sorting method - Google Patents
Battery piece sorting equipment and battery piece sorting method Download PDFInfo
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- CN113731863B CN113731863B CN202111101808.5A CN202111101808A CN113731863B CN 113731863 B CN113731863 B CN 113731863B CN 202111101808 A CN202111101808 A CN 202111101808A CN 113731863 B CN113731863 B CN 113731863B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
- B07C5/3422—Sorting according to other particular properties according to optical properties, e.g. colour using video scanning devices, e.g. TV-cameras
Abstract
The embodiment of the invention relates to the technical field of photovoltaics, and discloses battery piece sorting equipment and a battery piece sorting method. In the present invention, a battery piece sorting apparatus includes: the liquid outlet device is used for releasing transparent liquid to form a simulation packaging layer on the battery pieces to be sorted; the shooting device is used for shooting images of the battery pieces to be sorted from one side of the simulation packaging layer; and the control device is in communication connection with the shooting device and is used for sorting the battery pieces to be sorted according to the images. The battery piece sorting equipment and the battery piece sorting method provided by the invention can improve the accuracy of battery piece sorting.
Description
Technical Field
The embodiment of the invention relates to the technical field of photovoltaics, in particular to battery piece sorting equipment and a battery piece sorting method.
Background
Photovoltaic modules are typically formed by connecting a plurality of cells (e.g., crystalline silicon cells) in series or parallel and then packaging the cells. In order to ensure the consistency of the appearance of the packaged photovoltaic module, after the battery pieces are manufactured, the appearance of the battery pieces is sorted and classified, particularly, the battery pieces with different colors are distinguished, marked, packaged separately and the like, and defective battery pieces (for example, the battery pieces with defects such as scratches, broken grids, spots, dirt and the like) are selected.
Since the accuracy of cell sorting is a very important index, it is necessary to provide a new cell sorting apparatus and a cell sorting method to improve the accuracy of cell sorting.
Disclosure of Invention
The embodiment of the invention aims to provide battery piece sorting equipment and a battery piece sorting method, which can improve the accuracy of battery piece sorting.
In order to solve the above technical problems, an embodiment of the present invention provides a battery piece sorting apparatus, including: the liquid outlet device is used for releasing transparent liquid to form a simulation packaging layer on the battery pieces to be sorted; the shooting device is used for shooting images of the battery pieces to be sorted from one side of the simulation packaging layer; and the control device is in communication connection with the shooting device and is used for sorting the battery pieces to be sorted according to the images.
The embodiment of the invention also provides a battery piece sorting method, which comprises the following steps: providing battery pieces to be sorted; releasing transparent liquid to form a simulated encapsulation layer on the battery pieces to be sorted; shooting an image of the battery pieces to be sorted from one side of the simulation packaging layer; and sorting the battery pieces to be sorted according to the images.
Compared with the prior art, the embodiment of the invention releases transparent liquid through the liquid outlet device to form the simulated packaging layer on the battery piece to be sorted, the shooting device shoots the image of the battery piece to be sorted from one side of the simulated packaging layer, and the simulated packaging layer is utilized to simulate the packaging layer formed on the battery piece when the battery piece is packaged into the photovoltaic module, so that the problems that the light reflected by the battery piece is different due to the fact that the object detected when the battery piece is separated is a bare battery piece (the battery piece which is not packaged) and the packaging layer is added on the surface of the battery piece when the battery piece is assembled into the photovoltaic module are avoided, the light received by the shooting device is the same as the light actually reflected by the battery piece in the photovoltaic module, the image of the battery piece shot by the shooting device is more matched with the appearance of the battery piece when the battery piece is assembled into the photovoltaic module, and the accuracy of the battery piece to be sorted by the follow-up control device is improved.
In addition, the shooting device comprises a camera and an angle adjusting component connected with the camera, wherein the angle adjusting component is used for adjusting the camera to shoot at a plurality of angles. The camera is adjusted by the angle adjusting component to shoot at a plurality of angles, so that the problems that color difference or defects are hidden (for example, the position where the defects are located under the shooting angle is highlighted or shadow to influence the observation of the defects) and the like caused by the influence of shooting angles on the light rays on the battery pieces to be sorted are avoided, and the accuracy of battery piece sorting is improved.
In addition, the method further comprises the steps of: and the drying device is used for drying the transparent liquid on the battery pieces to be sorted after the shooting device shoots the image. By the arrangement, the transparent liquid attached to the battery pieces to be sorted can be prevented from influencing subsequent processes (for example, the process that the battery pieces are assembled into the photovoltaic module), and the reliability of the battery pieces is improved.
In addition, the drying apparatus includes: a drying chamber shell with an accommodating space, and a gas pipeline and a gas exhaust pipeline which are communicated with the drying chamber shell; the drying chamber housing includes: the gas transmission pipeline comprises a top wall, a bottom wall and a side wall connected with the top wall and the bottom wall, wherein a gas transmission port of the gas transmission pipeline is positioned on the side wall, and a gas extraction port of the gas extraction pipeline is positioned on the bottom wall and is far away from one side of the gas transmission port. The arrangement is beneficial to the gas flow in the shell of the drying chamber, and the rate of drying transparent liquid on the battery piece is improved.
In addition, the drying device further includes: the bearing part comprises a bearing surface for bearing the battery pieces to be sorted; the gas transmission pipeline comprises a first gas transmission port and a second gas transmission port, and the first gas transmission port and the second gas transmission port are respectively positioned on two opposite sides of the bearing surface in the direction perpendicular to the bearing surface. The arrangement is beneficial to the drying of the whole surface of the battery piece to be sorted.
In addition, the refractive index of the analog encapsulation layer is greater than or equal to 1.3 and less than or equal to 1.7. By the arrangement, the packaging layer formed on the battery piece during the follow-up process of packaging the battery piece into the photovoltaic module can be better simulated by the simulation packaging layer, so that the accuracy of battery piece sorting is further improved.
In addition, the material of the simulation packaging layer is volatile organic compound. The organic matters have certain adhesive force, so that the simulation packaging layer (composed of transparent liquid) is beneficial to being reserved on the surface of the battery piece to be sorted, the situation that the transparent liquid in the simulation packaging layer flows away from the surface of the battery piece to be sorted, and the simulation packaging layer cannot completely cover the surface of the battery piece to be sorted is avoided, and the sorting accuracy of the battery piece is improved; meanwhile, the volatility of the material of the simulation packaging layer is utilized, so that the removal of the simulation packaging layer after shooting is finished is facilitated.
In addition, the material of the simulated encapsulation layer is any one of carbon tetrachloride, turpentine and benzene or a combination thereof.
In addition, the thickness of the analog encapsulation layer is 0.1 mm to 10 mm. By means of the arrangement, the influence of the packaging layer formed on the battery piece on light rays when the battery piece is packaged into the photovoltaic module can be better simulated, and therefore the accuracy of battery piece sorting is further improved.
In addition, after the image of the battery piece to be sorted is taken from the side of the analog packaging layer, the method further comprises the following steps: blowing the battery pieces to be sorted by inert gas so as to volatilize the simulation packaging layer. By the arrangement, transparent liquid on the battery piece can be dried in an accelerated manner, and the influence of blown gas on the performance of the battery piece (for example, the surface of the battery piece is corroded) can be avoided.
In addition, the blowing the battery pieces to be sorted by inert gas to volatilize the simulation packaging layer specifically comprises the following steps: and blowing the battery pieces to be sorted by using inert gas with preset temperature to volatilize the simulation packaging layer, wherein the preset temperature is higher than or equal to 60 ℃ and lower than or equal to 80 ℃. The arrangement is favorable for simulating the rapid volatilization of the packaging layer.
In addition, the transparent liquid is released to form a simulated packaging layer on the battery pieces to be sorted, and the method specifically comprises the following steps: releasing transparent liquid at a first ambient temperature to form a simulated encapsulation layer on the battery pieces to be sorted, wherein the first ambient temperature is greater than or equal to 10 ℃ and less than or equal to 20 ℃; and/or shooting an image of the battery piece to be sorted from one side of the simulation packaging layer, wherein the image comprises the following specific steps: and shooting an image of the battery pieces to be sorted from one side of the simulation packaging layer at a second environment temperature, wherein the second environment temperature is higher than or equal to 10 ℃ and lower than or equal to 20 ℃. The volatilization of the transparent liquid in the formation process of the simulation packaging layer can be slowed down by releasing the transparent liquid at the first environmental temperature so as to form the simulation packaging layer on the battery piece to be sorted, and the volatilization of the simulation packaging layer in the process of shooting the image of the battery piece to be sorted can be slowed down by shooting the image of the battery piece to be sorted from one side of the simulation packaging layer at the second environmental temperature.
Drawings
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.
Fig. 1 is a schematic structural view of a battery piece sorting apparatus according to a first embodiment of the present invention;
FIG. 2 is a schematic view of a structure in which a dummy package layer is formed on a battery piece to be sorted;
fig. 3 is a flowchart of a sorting method of battery pieces according to a second embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings. However, those of ordinary skill in the art will understand that in various embodiments of the present invention, numerous technical details have been set forth in order to provide a better understanding of the present application. However, the technical solutions claimed in the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.
The inventors found that the existing battery piece sorting device performs appearance sorting on bare battery pieces (battery pieces without encapsulation) due to the fact that the battery piece sorting device is in an air environment. In practical application, the surface of the battery piece in the photovoltaic module is generally provided with packaging materials such as glass, EVA (ethylene-vinyl acetate copolymer) and the like, and the refractive index of the packaging materials is larger than that of air, so that light actually received by the battery piece and reflected light after the battery piece is packaged into the photovoltaic module are obviously different from light received by the bare battery piece and reflected light in the air, the appearance of the photovoltaic module such as color is different from the appearance observed when the battery piece is sorted, and finally the appearance of the photovoltaic module is degraded.
A first embodiment of the present invention relates to a battery piece sorting apparatus, as shown in fig. 1, including: the device comprises a liquid outlet device 11, a shooting device 12 and a control device 13, wherein the liquid outlet device 11 is used for discharging transparent liquid to form a simulation packaging layer 30 on the battery pieces 20 to be sorted, the shooting device 12 is used for shooting images of the battery pieces 20 to be sorted from one side of the simulation packaging layer 30, and the control device 13 is in communication connection with the shooting device 12 and is used for sorting the battery pieces 20 to be sorted according to the images.
The transparent liquid is released through the liquid outlet device 11 to form the simulation packaging layer 30 on the battery piece 20 to be sorted, the shooting device 12 shoots an image of the battery piece 20 to be sorted from one side of the simulation packaging layer 30, the simulation packaging layer 30 is utilized to simulate a packaging layer formed on the battery piece when the battery piece is packaged into a photovoltaic module, the problem that the packaging layer is added on the surface of the battery piece when the battery piece is packaged into the photovoltaic module due to the fact that an object detected during sorting of the battery piece is a bare battery piece (the battery piece which is not packaged) and the battery piece is assembled into the photovoltaic module is avoided, the difference exists between the light reflected by the battery piece and the light actually reflected by the battery piece in the photovoltaic module, namely, the appearance sorting of the battery piece is carried out under the optical environment equivalent to that of the finished photovoltaic module is achieved, so that the image of the battery piece shot by the shooting device 12 is more matched with the appearance of the battery piece when the battery piece is assembled into the photovoltaic module, and the sorting accuracy of the battery piece 20 to be sorted by the follow-up control device 13 is improved, and the requirement that the appearance consistency of the photovoltaic module can be met maximally.
Optionally, the photographing device 12 may include a camera 121 and an angle adjusting component 122 connected to the camera 121, where the angle adjusting component 122 is configured to adjust the camera 121 to perform multiple angles of photographing, specifically, the angle adjusting component 122 adjusts the camera 121 to be at multiple photographing angles (for example, a lens of the camera 121 is 85 degrees, 75 degrees, 55 degrees, 45 degrees, 30 degrees, 10 degrees and 0 degrees with a light receiving surface of the battery piece 20 to be sorted), and photographs one or more images at each photographing angle, and the angle adjusting component 122 may be a cardan shaft, and adjusts the camera 121 to perform multiple angles of photographing through the angle adjusting component 122, so that the problems of color difference (for example, the battery piece appears lighter in a high-light portion, the battery piece appears darker in a shadow portion) or shadow defect is hidden (for example, the defect appears high or affects the observation of the defect in the shadow portion under the photographing angle) are avoided, and the accuracy of sorting the battery piece is improved. In other words, the camera 121 is adjusted by the angle adjusting component 122 to perform multiple angle shooting, so that a scene of observing the battery piece at multiple angles when the photovoltaic module is used can be simulated, and the appearance problems that the battery piece is observed to have different colors after being assembled into the photovoltaic module are avoided.
In practical application, the battery piece sorting device may further include: the drying device 14 is configured to blow-dry the transparent liquid on the battery piece 20 to be sorted after the image is captured by the capturing device 12, so that the transparent liquid attached to the battery piece 20 to be sorted can be prevented from affecting the subsequent process (for example, the process of assembling the battery piece into a photovoltaic module), and the reliability of the battery piece is improved.
As shown in fig. 2, the simulation packaging layer 30 is located on the surface of the to-be-sorted battery piece 20 (specifically, the to-be-sorted battery piece 20 may be a photovoltaic cell, and the simulation packaging layer 30 may be located on the light receiving surface of the photovoltaic cell), where the thickness of the simulation packaging layer 30 may be 0.1 mm to 10 mm, so as to better simulate the influence of the packaging layer formed on the battery piece on light when the battery piece is packaged into a photovoltaic module, thereby further improving the accuracy of sorting the battery piece.
The transparent liquid forming the analog encapsulation layer 30 may be a material with a refractive index of about 1.5, specifically 1.3-1.7, and the refractive index of the transparent liquid is close to that of the encapsulation material such as glass, EVA (ethylene-vinyl acetate copolymer), etc., so that the optical environment during sorting and shooting can be better ensured to be consistent with that of the finished photovoltaic module. Further, the transparent liquid may be an inert, non-corrosive, volatile organic compound (volatile organic compounds, abbreviated as VOCs) which is an organic compound having a saturated vapor pressure of more than 70Pa at normal temperature and a boiling point of 260 ℃ or less at normal pressure, or all organic compounds having a vapor pressure of 10Pa or more and a volatility at 20 ℃, for example, any one of carbon tetrachloride, turpentine and benzene, or a combination thereof.
The transparent liquid forming the simulation packaging layer 30 is volatile organic matter, the organic matter has certain adhesive force, and the thickness of the simulation packaging layer 30 is thinner, so that the simulation packaging layer 30 is beneficial to being kept on the surface of the battery piece to be sorted, the situation that the transparent liquid in the simulation packaging layer 30 flows away from the surface of the battery piece to be sorted and the simulation packaging layer 30 cannot completely cover the surface of the battery piece to be sorted is avoided, and the sorting accuracy of the battery piece is improved.
The drying device 14 may use a hot inert gas (e.g. nitrogen) to blow and dry the transparent liquid on the battery pieces 20 to be sorted, and the temperature and the purge time of the purge gas may be set according to the boiling point temperature and the volatilization property of the pretreatment liquid (i.e. the transparent liquid), so as to ensure that the purge gas has sufficient heat, and quickly volatilize and take away the pretreatment liquid, and the temperature of the purge gas is typically 60-80 ℃, alternatively, the temperature of the purge gas is 70 ℃.
Specifically, the drying device 14 may include: the drying chamber housing 141 having the receiving space, and the gas pipe and the gas exhaust pipe communicating with the drying chamber housing 141, the drying chamber housing 141 includes: the roof, diapire and the lateral wall of connecting roof and diapire, the gas transmission mouth of gas transmission pipeline is located the lateral wall, and the extraction opening 144 of gas transmission pipeline is located the diapire and keeps away from gas transmission mouth one side setting, so sets up, is favorable to the gas flow in the drying chamber shell 141, has improved the speed of drying transparent liquid on the battery piece.
Further, the drying device 14 may further include: the bearing part comprises a bearing surface 145 for bearing the battery pieces 20 to be sorted, the gas transmission pipeline comprises a first gas transmission port 142 and a second gas transmission port 143, and the first gas transmission port 142 and the second gas transmission port 143 are respectively positioned on two opposite sides of the bearing surface 145 in the direction perpendicular to the bearing surface, so that the drying of the whole surface of the battery pieces 20 to be sorted is facilitated.
In general, the battery piece sorting equipment can be divided into a pretreatment chamber, a sorting chamber and a drying chamber.
The pretreatment chamber is used for pretreating the surface of the battery piece so as to achieve the effect of being close to the actual encapsulation of the photovoltaic module. Specifically, a liquid outlet device 11 is arranged at the top of the pretreatment chamber, the liquid outlet device 11 can be a spray head, the lower surface of the spray head is provided with a tiny pinhole, and the diameter of the tiny pinhole can be 0.1-10 mm; a pretreatment liquid pool 15 is arranged below the pretreatment chamber, the pretreatment liquid (namely, transparent liquid) in the pretreatment liquid pool 15 can be pumped to a spray head through a pump, and tiny pinholes below the spray head are uniformly sprayed on the surface of the battery piece; the first pipeline 16 can be arranged at the bottom of the pretreatment chamber, and the first pipeline 16 is connected with the pretreatment liquid pool 15, so that redundant liquid can be recycled to the pretreatment liquid pool 15 for reuse during spraying.
Further, the bottom of the pretreatment chamber may be provided with a first ventilation pipe, through which the environmental temperature in the pretreatment chamber can be adjusted, for example, the environmental temperature in the pretreatment chamber is controlled to be between 10 degrees celsius and 20 degrees celsius, and optionally, the battery piece sorting device may further include a first temperature control device for adjusting the environmental temperature in the sorting chamber, the first temperature control device may be communicated with the first ventilation pipe, and the volatilization of the transparent liquid in the process of forming the simulated encapsulation layer can be slowed down through a lower environmental temperature.
And the sorting chamber is used for carrying out multi-angle appearance sorting on the battery pieces subjected to surface pretreatment. Specifically, the photographing device 12 is disposed at the top of the sorting chamber, the photographing device 12 may include a camera 121, and an angle adjusting part 122 connected to the camera 121, the angle adjusting part 122 may be a cardan shaft rotating 360 degrees, and the detection lens (i.e., the camera 121) is fixed under the cardan shaft. The angle of the universal shaft is adjusted through a computer control system (namely, the control device 13), the detection lens synchronously shoots the pictures of the battery pieces, the appearance of the battery pieces under different angles is collected, the appearance characteristics of the battery pieces to be detected are determined through processing and comprehensive analysis of computer image processing software, and then instruction classification is carried out. The second pipeline 17 can also be arranged at the bottom of the sorting chamber, and the second pipeline 17 is connected with the pretreatment liquid pool 15, so that the liquid splashed during sorting test can be recycled to the pretreatment liquid pool 15.
Further, the bottom of the sorting chamber may be provided with a second ventilation pipe, through which the environmental temperature in the sorting chamber can be adjusted, for example, the environmental temperature in the sorting chamber is controlled to be between 10 ℃ and 20 ℃, and optionally, the battery piece sorting device may further include a second temperature control device for adjusting the environmental temperature in the sorting chamber, and the second temperature control device may be communicated with the second ventilation pipe, and through which volatilization of the analog packaging layer in the process of shooting the image of the battery piece to be sorted can be slowed down.
The drying chamber (i.e., the drying device 14) dries the thin layer of liquid sprayed on the surface of the battery piece, so that the battery piece is packaged in a classified manner. Specifically, two gas transmission pipelines are arranged at the upper part and the lower part of the left side wall of the drying chamber (namely, the first gas transmission port 142 and the second gas transmission port 143 are connected with the upper part and the lower part of the left side wall), so that purge gas can conveniently enter the drying chamber; an air outlet pipeline (i.e. the air extraction opening 144 is connected to the lower part of the right side wall) is arranged at the lower part of the right side wall of the drying chamber and connected with the air extraction device, so that the drying chamber (i.e. the drying chamber shell 141) can be conveniently extracted by the purge gas.
Compared with the prior art, the embodiment of the invention combines the optical influence of the actual package of the component on the battery piece and the condition that the component can be observed at multiple angles when being used outdoors, ensures that the appearance of the separated battery piece is matched with the actual appearance requirement of the photovoltaic component by spraying pretreatment liquid with similar optical properties to the packaging material of the component on the surface of the battery piece, superposing multiple-angle appearance detection and other modes, improves the sorting accuracy of the battery piece 20 to be sorted, effectively avoids the condition that the appearance of the photovoltaic component is not in accordance with the requirement caused by the fact that the current equipment only performs appearance sorting on the bare battery piece, and has the advantages of simplicity and easiness in operation, realization of diversified functions, strong practicability and easiness in mass production application.
A second embodiment of the present invention relates to a method for sorting battery pieces, as shown in fig. 3, comprising the steps of:
s11: providing the battery pieces to be sorted.
S12: the transparent liquid is released to form a simulated encapsulation layer on the battery pieces to be sorted.
The refractive index of the simulation packaging layer (namely, transparent liquid) can be larger than or equal to 1.3 and smaller than or equal to 1.7, and optionally, the refractive index of the simulation packaging layer is 1.5. Further, the material of the simulated encapsulation layer may be an inert, corrosion-free, volatile organic compound that is volatile upon heating, such as any one of carbon tetrachloride, turpentine, and benzene, or a combination thereof.
In this embodiment, the thickness of the simulation packaging layer may be 0.1 mm to 10 mm, so as to better simulate the influence of the packaging layer formed on the battery piece on light when the battery piece is packaged into the photovoltaic module, thereby further improving the accuracy of battery piece sorting.
The transparent liquid forming the simulation packaging layer is volatile organic matters, the organic matters have certain adhesive force, and the thickness of the simulation packaging layer is thinner, so that the simulation packaging layer is beneficial to being reserved on the surface of the battery piece to be sorted, the situation that the transparent liquid in the simulation packaging layer flows away from the surface of the battery piece to be sorted, and the simulation packaging layer cannot completely cover the surface of the battery piece to be sorted is avoided, and the sorting accuracy of the battery piece is improved.
S13: an image of the battery pieces to be sorted is taken from the side of the analog package layer.
In the step, the image of the battery piece to be sorted can be shot from one side of the simulated packaging layer at a plurality of shooting angles, so that the problems that the color difference or defects are hidden and the like caused by the influence of the shooting angles on the light of the battery piece to be sorted are avoided, and the sorting accuracy of the battery piece is improved.
S14: and sorting the battery pieces to be sorted according to the images.
In this step, the battery pieces to be sorted may be sorted according to the color of the image, and further, the battery pieces to be sorted may be sorted according to the redness, greenness, blueness, or brightness, chromaticity, saturation, etc. of each region in the image.
By forming the simulation packaging layer on the surface of the battery piece, the simulation packaging layer simulates the packaging layer formed on the battery piece in the photovoltaic module, and then appearance sorting is carried out on the battery piece, so that the appearance sorting of the battery piece under the optical environment equivalent to that of the finished photovoltaic module is realized, the sorting accuracy of the battery piece is improved, and the requirement of appearance consistency of the photovoltaic module can be met by the sorted battery piece to the maximum extent.
Optionally, after step S13, before step S14, the method may further include the steps of: and blowing the battery pieces to be sorted by using inert gas (such as nitrogen) to volatilize the simulation packaging layer, so that transparent liquid on the battery pieces can be dried in an accelerated manner, and the influence of the blown gas on the performance of the battery pieces (such as corrosion of the surfaces of the battery pieces) can be avoided.
Compared with the prior art, the embodiment of the invention combines the optical influence of the actual package of the component on the battery piece and the condition that the component can be observed at multiple angles when being used outdoors, ensures that the appearance of the separated battery piece is matched with the actual appearance requirement of the photovoltaic component by spraying the pretreatment liquid with similar optical properties to the packaging material of the component on the surface of the battery piece, and superposing the modes of multiple-angle appearance detection and the like, improves the sorting accuracy of the battery piece to be sorted, and effectively avoids the condition that the appearance of the photovoltaic component is not in accordance with the requirement caused by the fact that the current equipment only performs appearance sorting on the bare battery piece.
Since the first embodiment corresponds to the present embodiment, the present embodiment can be implemented in cooperation with the first embodiment. The related technical details mentioned in the first embodiment are still valid in this embodiment, and the technical effects achieved in the first embodiment may also be achieved in this embodiment, so that the repetition is reduced, and a detailed description is omitted here. Accordingly, the related technical details and effects mentioned in the present embodiment are also applicable to the first embodiment.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples of carrying out the invention and that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (12)
1. A battery piece sorting apparatus, characterized by comprising:
the liquid outlet device is used for releasing transparent liquid to form a simulation packaging layer on the battery pieces to be sorted;
the shooting device is used for shooting images of the battery pieces to be sorted from one side of the simulation packaging layer;
the drying device is used for drying the transparent liquid on the battery pieces to be sorted after the shooting device shoots the image;
and the control device is in communication connection with the shooting device and is used for sorting the battery pieces to be sorted according to the images.
2. The battery piece sorting apparatus according to claim 1, wherein the photographing device includes a camera, and an angle adjusting member connected to the camera, the angle adjusting member being configured to adjust the camera to perform a plurality of angle photographing.
3. The battery piece sorting apparatus according to claim 1, wherein the drying device includes: a drying chamber shell with an accommodating space, and a gas pipeline and a gas exhaust pipeline which are communicated with the drying chamber shell;
the drying chamber housing includes: the gas transmission pipeline comprises a top wall, a bottom wall and a side wall connected with the top wall and the bottom wall, wherein a gas transmission port of the gas transmission pipeline is positioned on the side wall, and a gas extraction port of the gas extraction pipeline is positioned on the bottom wall and is far away from one side of the gas transmission port.
4. The battery piece sorting apparatus of claim 3, wherein the drying device further includes: the bearing part comprises a bearing surface for bearing the battery pieces to be sorted;
the gas transmission pipeline comprises a first gas transmission port and a second gas transmission port, and the first gas transmission port and the second gas transmission port are respectively positioned on two opposite sides of the bearing surface in the direction perpendicular to the bearing surface.
5. The battery piece sorting method is characterized by comprising the following steps:
providing battery pieces to be sorted;
releasing transparent liquid to form a simulated encapsulation layer on the battery pieces to be sorted;
shooting an image of the battery pieces to be sorted from one side of the simulation packaging layer;
drying transparent liquid on the battery pieces to be sorted;
and sorting the battery pieces to be sorted according to the images.
6. The method of claim 5, wherein the simulated encapsulation layer has a refractive index greater than or equal to 1.3 and less than or equal to 1.7.
7. The method of claim 5, wherein the material of the dummy packaging layer is a volatile organic compound.
8. The method of claim 7, wherein the material of the simulated encapsulation layer is any one of carbon tetrachloride, turpentine and benzene or a combination thereof.
9. The method of claim 5, wherein the thickness of the dummy encapsulation layer is 0.1 mm to 10 mm.
10. The method according to claim 5, wherein after the image of the battery piece to be sorted is taken from the analog package layer side, further comprising:
blowing the battery pieces to be sorted by inert gas so as to volatilize the simulation packaging layer.
11. The method for sorting battery pieces according to claim 10, wherein the blowing the battery pieces to be sorted with an inert gas to volatilize the dummy packaging layer specifically comprises:
and blowing the battery pieces to be sorted by using inert gas with preset temperature to volatilize the simulation packaging layer, wherein the preset temperature is higher than or equal to 60 ℃ and lower than or equal to 80 ℃.
12. The method of claim 5, wherein the releasing transparent liquid to form a simulated encapsulation layer on the battery pieces to be sorted, specifically comprises:
releasing transparent liquid at a first ambient temperature to form a simulated encapsulation layer on the battery pieces to be sorted, wherein the first ambient temperature is greater than or equal to 10 ℃ and less than or equal to 20 ℃;
and/or shooting an image of the battery piece to be sorted from one side of the simulation packaging layer, wherein the image comprises the following specific steps:
and shooting an image of the battery pieces to be sorted from one side of the simulation packaging layer at a second environment temperature, wherein the second environment temperature is higher than or equal to 10 ℃ and lower than or equal to 20 ℃.
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| TW201034132A (en) * | 2009-03-13 | 2010-09-16 | Xintec Inc | Package structure for electronic device and method of forming the same |
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| CN205789879U (en) * | 2016-06-28 | 2016-12-07 | 苏州阿特斯阳光电力科技有限公司 | A kind of cell piece appearance delection device |
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| CN208455363U (en) * | 2018-07-23 | 2019-02-01 | 安徽天龙超彩包装有限公司 | A kind of drying equipment for paper products processing |
| CN110266952B (en) * | 2019-06-28 | 2021-03-12 | Oppo广东移动通信有限公司 | Image processing method, image processing apparatus, electronic device, and storage medium |
| CN111554589A (en) * | 2020-06-15 | 2020-08-18 | 西安黄河光伏科技股份有限公司 | Detection device and method for crystalline silicon solar cell |
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| TW201034132A (en) * | 2009-03-13 | 2010-09-16 | Xintec Inc | Package structure for electronic device and method of forming the same |
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