Photovoltaic cell film coating device and film coating system

Abstract

The embodiment of the utility model provides a photovoltaic cell film coating device and system, and the device comprises a feeding chamber which is internally provided with at least two layers of object placing tables for placing materials, and is provided with at least two first discharge ports; the conveying chamber is arranged on one side of the feeding chamber, at least two second feeding ports communicated with the first discharging port are formed in one side of the conveying chamber, and at least one second discharging port is formed in the other side of the conveying chamber; and a lifting assembly is arranged in the conveying cavity, and the lifting assembly is used for conveying materials entering from the second feeding port to the second discharging port and sending the materials out of the conveying cavity. And the production efficiency and rhythm of the solar cell can be improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of coating of photovoltaic cell, in particular to a photovoltaic cell coating device and a coating system. BACKGROUND

[0002] In the process of preparing photovoltaic solar cells, the film preparation process is a key link, which requires a high environment, especially a vacuum environment. The vacuum environment can effectively prevent the interference of impurities and oxygen, thereby ensuring the quality and performance of the film layer.

[0003] In the current vacuum treatment process, the vacuum extraction link consumes a long time, which limits the production efficiency and rhythm of solar cells to some extent. CONTENT OF THE INVENTION

[0004] In view of the above problems, the present application is proposed to provide a photovoltaic cell coating device and a coating system which can overcome the above problems or at least partially solve the above problems.

[0005] In order to solve the above problems, in the first aspect, the present application discloses a photovoltaic cell coating device, comprising:

[0006] A feeding chamber is arranged with at least two layers of material placing tables for placing materials, and the feeding chamber has at least one first discharge port;

[0007] A conveying chamber is arranged on one side of the feeding chamber, one side of the conveying chamber is provided with at least two second feeding ports in communication with the first discharge port, and the other side of the conveying chamber is provided with at least one second discharge port;

[0008] The conveying chamber is arranged with a lifting assembly, which is used to convey the materials entering from the second feeding port to the second discharge port for discharging; the lifting assembly comprises a lifting unit, and the lifting unit comprises a support frame and a lifting frame;

[0009] The support frame extends along the height direction of the conveying chamber;

[0010] The lifting frame is movably connected to the support frame along the height direction of the conveying chamber, and the lifting frame can be flush with the second feeding port and / or the second discharge port.

[0011] Optionally, the conveying chamber is further provided with a telescopic member, one end of the telescopic member is connected to the bottom of the conveying chamber, and the other end is connected to the side of the lifting frame facing the bottom of the conveying chamber;

[0012] The lifting unit further comprises a first driving member, at least a part of the first driving member is arranged outside the conveying chamber, a driving shaft of the first driving member penetrates the bottom of the conveying chamber and the telescopic member, and the driving shaft is connected with the side of the lifting frame facing the bottom of the conveying chamber.

[0013] Optionally, the lifting assembly further comprises a conveying unit arranged on the lifting frame, the conveying unit is used for moving the material along a first direction, and the first direction is a direction from one side of the conveying chamber to the other side of the conveying chamber.

[0014] Optionally, the conveying unit comprises a second driving member and a plurality of rollers.

[0015] The plurality of rollers are arranged on the lifting frame, and the rollers can roll in a direction from one side of the conveying chamber to the other side of the conveying chamber.

[0016] The second driving member is connected with the rollers and used for driving the rollers to roll.

[0017] Optionally, the conveying unit further comprises a belt, and the belt is connected with the rolling shafts of the plurality of rollers respectively.

[0018] The belt is connected with the second driving member.

[0019] Optionally, the at least two second feeding ports are arranged in a row along the height direction of the conveying chamber.

[0020] And / or, the second discharging port is arranged opposite to one of the second feeding ports along a first direction, and the first direction is a direction from one side to the other side of the conveying chamber.

[0021] Optionally, the placing table is arranged corresponding to the first discharging port one by one, and the corresponding placing table and the first discharging port are arranged flush.

[0022] Optionally, the feeding chamber is further arranged with a first feeding port away from one side of the conveying chamber, and the feeding chamber comprises a first gate valve and a second gate valve.

[0023] The first gate valve is arranged corresponding to the first feeding port and used for opening and closing the first feeding port.

[0024] The second gate valve is arranged corresponding to the first discharging port and used for opening and closing the first discharging port.

[0025] Optionally, the coating device comprises a buffer chamber arranged away from one side of the conveying chamber.

[0026] The buffer chamber has at least one third feeding port in communication with the second discharging port.

[0027] In a second aspect, the embodiments of the present application further provide a coating system, comprising the above-mentioned photovoltaic cell coating device.

[0028] The embodiments of the present application have the following advantages:

[0029] In the feeding chamber, at least two layers of material placing tables are arranged for placing materials, so that the feeding chamber can accommodate more materials. By vacuumizing the feeding chamber, more materials can be processed at one time, the total time required for vacuumizing the materials can be shortened, and thus the production efficiency and rhythm of the solar cells can be accelerated. In addition, the conveying chamber is provided with a second feeding port in communication with the first discharging port on one side and a second discharging port on the other side, and a lifting assembly is arranged in the conveying chamber. The lifting assembly can convey the materials entering from the second discharging port to the second discharging port for delivery, so as to match the conveying rhythm of the materials with the subsequent process rhythm of the materials. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is a structural schematic view of a photovoltaic cell coating device of the present application;

[0031] Figure 2 is a structural schematic view of a conveying chamber of the present application;

[0032] Figure 3 is a sectional structural schematic view of a conveying chamber of the present application;

[0033] Figure 4 is a sectional structural schematic view of another conveying chamber of the present application;

[0034] Figure 5 is a structural schematic view of a lifting assembly of the present application.

[0035] BRIEF DESCRIPTION OF REFERENCE NUMERALS:

[0036] 1, feeding chamber; 11, first feeding port; 2, conveying chamber; 21, second feeding port; 22, second discharging port; 23, lifting assembly; 24, lifting unit; 241, first driving member; 2411, driving shaft; 242, support frame; 243, lifting frame; 25, conveying unit; 251, second driving member; 252, roller; 2521, roller shaft; 253, belt; 26, telescopic member; 3, buffer chamber. DETAILED DESCRIPTION

[0037] In order to make the above objectives, characteristics and advantages of the present application more obvious and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0038] The terms "first", "second" in the description and claims of the present application can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specified. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / ", generally indicates that the front and rear associated objects are in an "or" relationship.

[0039] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0040] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0041] In a first aspect, the embodiments of the present application disclose a photovoltaic cell coating device, as shown in Figure 1 and Figure 2 The coating device comprises: a feeding chamber 1, at least two material placing tables for placing materials are arranged in the feeding chamber 1, and the feeding chamber 1 has at least one first discharge port; a conveying chamber 2 is arranged on one side of the feeding chamber 1, one side of the conveying chamber 2 is provided with at least two second feeding ports 21 which are in communication with the first discharge port, and the other side of the conveying chamber 2 is provided with at least one second discharge port 22; wherein a lifting assembly 23 is arranged in the conveying chamber 2, and the lifting assembly 23 is used for adjusting the materials entering from the second feeding port 21 to the second discharge port 22 for sending out.

[0042] In the embodiment of the present application, at least two layers of material placing tables are arranged in the feeding chamber 1 for placing materials, so that the feeding chamber 1 can accommodate more materials. In this way, the vacuum process can be performed on more materials at one time, and the total time required for vacuumizing the materials can be shortened, thereby accelerating the production efficiency and rhythm of the solar cells. In addition, the conveying chamber 2 is provided with a second feeding port 21 communicating with the first discharging port on one side and a second discharging port 22 on the other side, and a lifting assembly 23 is arranged in the conveying chamber 2. The lifting assembly 23 can convey the materials entering the conveying chamber 2 from the second discharging port 22 to the second discharging port 22 to convey the materials out of the conveying chamber 2, so as to buffer the conveying rhythm of the materials and match the subsequent process rhythm of the materials.

[0043] In the embodiment of the present application, at least two layers of material placing tables are arranged in the feeding chamber 1 for placing materials, so that the feeding chamber 1 can accommodate more materials. In this way, the vacuum process can be performed on more materials at one time, and the total time required for vacuumizing the materials can be shortened, thereby accelerating the production efficiency and rhythm of the solar cells. In addition, the conveying chamber 2 is provided with a second feeding port 21 communicating with the first discharging port on one side and a second discharging port 22 on the other side, and a lifting assembly 23 is arranged in the conveying chamber 2. The lifting assembly 23 can convey the materials entering the conveying chamber 2 from the second discharging port 22 to the second discharging port 22 to convey the materials out of the conveying chamber 2, so as to buffer the conveying rhythm of the materials and match the subsequent process rhythm of the materials.

[0044] Specifically, as shown in FIG. 1, the S1 direction is the conveying direction of the materials, that is, the direction from one side of the conveying chamber 2 to the other side of the conveying chamber 2, and the S2 direction is the height direction of the conveying chamber 2. The S1 direction and the S2 direction can intersect or be perpendicular. Figure 2

[0045] Specifically, the feeding chamber 1 can be provided with a first feeding port 11 and a first discharging port. The materials can enter the feeding chamber 1 from the first feeding port 11 and exit the feeding chamber 1 from the first discharging port. The number of the first feeding ports 11 can be one or at least two, and the number of the first discharging ports can be one or at least two, which are not limited in the embodiment of the present application.

[0046] Specifically, the number of the first feeding ports 11 can be the same as the number of the first discharging ports, and the first feeding ports 11 can be arranged opposite to the first discharging ports one by one, so as to simplify the structural arrangement in the feeding chamber 1. In some embodiments, the number of the first feeding ports 11 can also be inconsistent with the number of the first discharging ports, which is not limited in the embodiment of the present application.

[0047] ​Specifically, the shelves can further be provided with conveying assemblies, which can bring the materials from the first feeding port 11 into the feeding chamber 1 and then send the materials out of the feeding chamber 1 from the first discharging port. The conveying assemblies can be rollers 252 or conveying belts, etc. The materials can be conveyed on the loading plates or trays to protect the materials.

[0048] For example, the vacuumizing process of the materials includes: opening the first feeding port 11, placing the loading plate with the materials from the first feeding port 11 onto the conveying belt, running the conveying belt so that the loading plate is completely placed on the conveying belt, stopping the running of the conveying belt, closing the first feeding port 11, vacuumizing the feeding chamber 1, opening the first discharging port after the vacuumizing is completed, running the conveying belt, and taking the loading plate with the materials out of the feeding chamber 1 from the first discharging port.

[0049] In the embodiments of the present application, since at least two layers of shelves are arranged in the feeding chamber 1, more materials can be simultaneously vacuumized, and the subsequent processing pace of the materials can still be ensured even if the time required for vacuumizing is relatively long.

[0050] In the embodiments of the present application, the conveying chamber 2 is arranged on one side of the feeding chamber 1, and the side of the conveying chamber 2 facing the feeding chamber 1 can be provided with a second feeding port 21, which is in communication with the first discharging port.

[0051] Specifically, the number of the second feeding ports 21 can be consistent with or inconsistent with the number of the first discharging ports. The second feeding ports 21 are in communication with the first discharging ports, which facilitates the convenience of conveying the materials from the feeding chamber 1 to the output chamber and simplifies the structural arrangement in the feeding chamber 1. Specifically, the second feeding ports 21 and the first discharging ports can be opened at the same time, so that the loading plate can directly enter the conveying chamber 2 from the feeding chamber 1. For example, the number of the first discharging ports is one, and the number of the second feeding ports 21 is two. The first discharging port can be in communication with the two second feeding ports 21. Alternatively, the number of the first discharging ports and the number of the second feeding ports 21 are both two. One first discharging port can be in communication with one second feeding port 21.

[0052] Specifically, the side of the conveying chamber 2 away from the feeding chamber 1 can be provided with a second discharging port 22, so that the materials can be sent out of the conveying chamber 2 from the second discharging port 22. The number of the second discharging ports 22 can be less than or equal to the number of the second feeding ports 21.

[0053] Further, as shown in FIG. 2, the conveying chamber 2 can be provided with a conveying belt 252, and the conveying belt 252 can be arranged on the conveying chamber 2. Figure 3 and Figure 4As shown, the conveying chamber 2 is arranged with a lifting assembly 23, which can drive the material to move, so as to convey the material entering the conveying chamber 2 from the second feeding port 21 to the second discharge port 22 out of the conveying chamber 2. The lifting assembly 23 can drive the material to lift or horizontally move. Moreover, under the adjustment of the lifting assembly 23, the transportation rhythm of the material can be buffered to adapt to the subsequent process rhythm.

[0054] For example, the conveying process of the material can include that the lifting assembly 23 receives the carrier plate from the second feeding port 21, after the carrier plate completely enters the conveying chamber 2, the lifting assembly 23 can drive the carrier plate to lift, so as to adjust the carrier plate to be flush with one of the second discharge ports 22, and then the carrier plate is sent out of the conveying chamber 2 from the second discharge port 22.

[0055] In some optional embodiments, the number of the carrier plates can be more than the number of the first discharge ports, and the lifting mechanism can be arranged in the feeding chamber 1, so as to adjust the relative position of the carrier plate and the first discharge port by the lifting mechanism, so as to realize the material sent out of the feeding chamber 1 through the first discharge port.

[0056] In still some optional embodiments, the carrier plate can be arranged in one-to-one correspondence with the first discharge port, and the corresponding carrier plate and the first discharge port are arranged flush, so that the material can be sent out of the feeding chamber 1 only by driving the carrier plate to horizontally move, without arranging the lifting mechanism in the feeding chamber 1, so as to simplify the arrangement difficulty of the feeding chamber 1 and save the cost.

[0057] Optionally, the lifting assembly 23 includes a lifting unit 24, the lifting unit 24 includes a support frame 242 and a lifting frame 243; the support frame 242 extends along the height direction of the conveying chamber 2; the lifting frame 243 is movably connected to the support frame 242 along the height direction of the conveying chamber 2, and the lifting frame 243 can be flush with the second feeding port 21 and / or the second discharge port 22.

[0058] In the embodiments of the present application, the lifting frame 243 slides along the extension direction of the support frame 242, so as to adjust the height of the lifting frame 243. The lifting frame 243 is flush with the second feeding port 21, so as to receive the material entering from the second feeding port 21. The lifting frame 243 is flush with the second discharge port 22, so as to send the material out of the conveying chamber 2 from the second discharge port 22.

[0059] Specifically, the support frame 242 can be a fixed piece for supporting and mounting the lifting frame 243, and the support frame 242 extends along the height direction of the conveying chamber 2, so as to adjust the height of the lifting frame 243. The lifting frame 243 can be slidably connected, meshingly connected or rollingly connected with the support frame 242, so as to realize the lifting frame 243 movably relative to the support frame 242 along the height direction of the conveying chamber 2.

[0060] In the embodiments of the present application, the lifting unit 24 can further include a first driving member 241, which can be connected with the lifting frame 243 to drive the lifting frame 243 to lift. The first driving member 241 can be a pneumatic cylinder or an electric motor, etc. The first driving member 241 can be arranged inside the conveying chamber 2, or at least partially arranged outside the conveying chamber 2, which is not limited in the embodiments of the present application.

[0061] In some embodiments of the present application, a telescopic member 26 is further arranged inside the conveying chamber 2, one end of the telescopic member 26 is connected with the bottom of the conveying chamber 2, and the other end is connected with the side of the lifting frame 243 facing the bottom of the conveying chamber 2; the lifting unit 24 further includes the first driving member 241, at least part of the first driving member 241 is arranged outside the conveying chamber 2, and the driving shaft 2411 of the first driving member 241 penetrates the bottom of the conveying chamber 2 and the telescopic member 26, and the driving shaft 2411 is connected with the side of the lifting frame 243 facing the bottom of the conveying chamber 2.

[0062] In the embodiments of the present application, at least part of the first driving member 241 is arranged inside the conveying chamber 2, and the lifting frame 243 and the bottom of the conveying chamber 2 are sealingly connected through the telescopic member 26, so that the telescopic member 26 can isolate the inside and outside of the conveying chamber 2, on the one hand, to ensure the connection between the first driving member 241 and the lifting frame 243, and on the other hand, to ensure the vacuum environment inside the conveying chamber 2. Specifically, since the telescopic member 26 can be telescopic and deformed, it can avoid interfering with the lifting movement of the lifting frame 243.

[0063] Specifically, the telescopic member 26 can be a bellows or other flexible pipe that can be telescopic and deformed.

[0064] In yet some embodiments of the present application, the lifting assembly 23 further includes a conveying unit 25, which is arranged on the lifting frame 243, and the conveying unit 25 is used to move the material along a first direction, and the first direction is the direction from one side of the conveying chamber 2 to the other side of the conveying chamber 2.

[0065] In the embodiments of the present application, the conveying unit 25 can move the material along the first direction, which can improve the convenience of bringing or sending the material into or out of the conveying chamber 2.

[0066] Optionally, as shown in Figures 3 to 5 the conveying unit 25 includes a second driving member 251 and a plurality of rollers 252; the plurality of rollers 252 are laid on the lifting frame 243; the rollers 252 can roll in the direction from one side of the conveying chamber 2 to the other side of the conveying chamber 2; the second driving member 251 is connected with the rollers 252 to drive the rollers 252 to roll.

[0067] In the embodiment of the present application, the second driving member 251 can drive the rollers 252 to roll, and the rollers 252 can carry the materials during rolling, which is simple and convenient.

[0068] Specifically, the plurality of rollers 252 can be arranged in sequence along a first direction, and the first direction is a direction from one side of the conveying chamber 2 to the other side of the conveying chamber 2. The shafts 2521 of the plurality of rollers 252 can be parallel and perpendicular to the first direction, so as to improve the reliability and stability of the movement of the materials along the first direction.

[0069] Optionally, the conveying unit 25 further comprises a belt 253, and the belt 253 is connected with the shafts 2521 of the plurality of rollers 252 respectively; and the belt 253 is connected with the second driving member 251.

[0070] In the embodiment of the present application, the plurality of rollers 252 can be driven to move synchronously under the driving of the belt 253, so as to ensure the stability and controllability of the movement of the materials along the first direction.

[0071] In some embodiments, the conveying unit 25 can also comprise a transmission belt.

[0072] In some optional embodiments, the at least two second feeding ports 21 are arranged in a row along the height direction of the conveying chamber 2, so that the lifting assembly 23 can be opposite to any one of the second feeding ports 21 through lifting adjustment, and the materials entering the conveying chamber 2 can be received conveniently.

[0073] In some optional embodiments, the second discharging ports 22 can be arranged alternately along the height direction of the conveying chamber 2.

[0074] In another optional embodiment, the second discharging port 22 is arranged opposite to one of the second feeding ports 21 along a first direction, and the first direction is a direction from one side of the conveying chamber 2 to the other side of the conveying chamber 2, so that the lifting assembly 23 can directly send the materials entering the conveying chamber 2 out of the conveying chamber 2 through movement in the first direction, and the structure of the coating device can be simplified conveniently.

[0075] Optionally, the feeding chamber 1 is further arranged with a first feeding port 11 away from the conveying chamber 2, and the feeding chamber 1 comprises a first gate valve and a second gate valve; the first gate valve is arranged corresponding to the first feeding port 11, and is used for opening and closing the first feeding port 11; and the second gate valve is arranged corresponding to the first discharging port, and is used for opening and closing the first discharging port.

[0076] In the embodiments of the present application, the first feed port 11 is opened by the first gate valve, so as to facilitate the feeding of the material into the feeding chamber 1; the first feed port 11 is opened by the second gate valve, so as to facilitate the feeding of the material out of the feeding chamber 1. The first gate valve and the second gate valve are closed at the same time, so as to facilitate the sealing of the inside of the feeding chamber 1, and then the inside of the feeding chamber 1 can be vacuumized, so as to ensure the purity of the material.

[0077] Specifically, the first gate valve and the first feed port 11 can be arranged one by one, and the second gate valve can be arranged one by one with the second feed port 21.

[0078] Further, the second feed port 21 can also be provided with a separate gate valve to control the opening and closing of the second feed port 21; and the second discharge port 22 can also be provided with a separate gate valve to control the opening and closing of the second discharge port 22.

[0079] Specifically, the first gate valve can include a first sealing member, and the first gate valve can control the movement of the first sealing member to block or open the first feed port 11. The second gate valve can include a second sealing member, and the first gate valve can control the movement of the second sealing member to block or open the first discharge port. Further, the second gate valve can also synchronously control the first discharge port and the second feed port 21, for example, the second sealing member is opened, so that the feeding chamber 1 is communicated with the conveying chamber 2.

[0080] Optionally, the coating device comprises a buffer chamber 3, which is arranged on the side of the conveying chamber 2 away from the feeding chamber 1; the buffer chamber 3 has at least one third feed port communicated with the second discharge port 22.

[0081] In the embodiments of the present application, by arranging the buffer chamber 3, the conveying rhythm of the material can be further adjusted to ensure the conveying rhythm of the subsequent process of the material.

[0082] Specifically, as shown in Figure 3 and Figure 4 Taking two second feed ports 21 and one second discharge port 22 as an example, when the lower layer of material in the feeding chamber 1 enters the conveying chamber 2 from the feeding chamber 1, the lifting assembly 23 is first adjusted to the lower feeding position, then the second driving member 251 is opened, the roller 252 rolls to convey the carrier plate, when the carrier plate completely enters the conveying chamber 2, the second driving member 251 is closed, then the first driving member 241 is opened, the lifting frame 243 is driven to rise along the support frame 242, when the lifting frame 243 rises to the height position of the second discharge port 22, the first driving member 241 is closed, then the second discharge port 22 is opened, and then the second driving member 251 is opened, the roller 252 rolls to further drive the carrier plate to move from the second discharge port 22 to the buffer chamber 3, and after the carrier plate is completely conveyed to the buffer chamber 3, the second discharge port 22 is closed.

[0083] When the upper layer of materials in the feeding chamber 1 enters the conveying chamber 2 from the feeding chamber 1, the lifting assembly 23 is first adjusted to the upper feeding position, and then the second driving member 251 is started, and the roller 252 rolls to convey the carrier plate, and the carrier plate is directly sent from the second discharging port 22 to the buffer chamber 3.

[0084] Through the circulation of the feeding chamber 1, the conveying chamber 2 and the buffer chamber 3, the lifting and transmission of the carrier plate materials are realized, the process cycle is optimized, the time required for evacuation is reduced, and the equipment capacity is increased.

[0085] The coating device in the embodiment of the application has at least the following advantages:

[0086] In the embodiment of the application, at least two layers of material placing tables for placing materials are arranged in the feeding chamber, so that the feeding chamber can accommodate more materials. In this way, through the vacuum treatment of the feeding chamber, more materials can be processed at a time, the total time required for vacuumizing the materials can be shortened, and the production efficiency and cycle of the solar cells can be accelerated. In addition, the conveying chamber is provided with the second feeding port communicated with the first discharging port on one side and the second discharging port on the other side, and the lifting assembly is arranged in the conveying chamber. The lifting assembly can convey the materials entering from the second discharging port to the second discharging port for output, so as to facilitate the conveying cycle of the buffer materials and match the subsequent process cycle of the materials.

[0087] In a second aspect, the embodiment of the application discloses a coating system, which comprises the above-mentioned photovoltaic cell coating device.

[0088] In the embodiment of the application, the coating system can realize the coating treatment of the photovoltaic cell, and the coating cycle of the photovoltaic cell by the coating system can be less than 30 seconds.

[0089] The coating system in the embodiment of the application has at least the following advantages:

[0090] In the embodiment of the application, at least two layers of material placing tables for placing materials are arranged in the feeding chamber, so that the feeding chamber can accommodate more materials. In this way, through the vacuum treatment of the feeding chamber, more materials can be processed at a time, the total time required for vacuumizing the materials can be shortened, and the production efficiency and cycle of the solar cells can be accelerated. In addition, the conveying chamber is provided with the second feeding port communicated with the first discharging port on one side and the second discharging port on the other side, and the lifting assembly is arranged in the conveying chamber. The lifting assembly can convey the materials entering from the second discharging port to the second discharging port for output, so as to facilitate the conveying cycle of the buffer materials and match the subsequent process cycle of the materials.

[0091] Although the preferred embodiments of the application have been described, those skilled in the art will be able to make additional modifications and variations without departing from the scope of the application. Accordingly, the appended claims are intended to encompass all such modifications and variations as falling within the scope of the application.

[0092] Finally, it is to be understood that the phraseology or terminology employed herein, such as "first" and "second", etc., are for descriptive purposes only and should not be construed to connote or otherwise imply any kind of ordering, precedence or relationships between or among the elements or operations so described. Moreover, the terms "comprising", "including", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a... " does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element.

[0093] The above provides a kind of photovoltaic cell piece coating device and coating system provided by the application, have carried out detailed introduction, the principle and implementation mode of the application are described in this paper by specific example, the above embodiment is only for helping to understand the method of the application and its core idea;For those skilled in the art, according to the idea of the application, there will be changes in specific implementation mode and application range, as described above, the content of the specification should not be understood as the limitation of the application.

Claims

1. A photovoltaic cell coating device, characterized by, The application relates to a feeding device, which comprises: a feeding chamber (1) in which at least two layers of material placing tables for placing materials are arranged, and the feeding chamber (1) is provided with at least one first discharging port; a conveying chamber (2) arranged on one side of the feeding chamber (1), one side of the conveying chamber (2) is provided with at least two second feeding ports (21) communicated with the first discharging port, and the other side of the conveying chamber (2) is provided with at least one second discharging port (22); wherein a lifting assembly (23) is arranged in the conveying chamber (2), the lifting assembly (23) is used for conveying materials entering from the second feeding port (21) to the second discharging port (22) to send out the conveying chamber (2), the lifting assembly (23) comprises a lifting unit (24), and the lifting unit (24) comprises a support frame (242) and a lifting frame (243); the support frame (242) extends along the height direction of the conveying chamber (2); the lifting frame (243) is movably connected to the support frame (242) along the height direction of the conveying chamber (2), and the lifting frame (243) is flush with the second feeding port (21) and / or the second discharging port (22).

2. The photovoltaic cell coating device of claim 1, wherein, a telescopic piece (26) is further arranged in the conveying chamber (2), one end of the telescopic piece (26) is connected to the bottom of the conveying chamber (2), and the other end is connected to the side of the lifting frame (243) facing the bottom of the conveying chamber (2); the lifting unit (24) further comprises a first driving piece (241), at least part of the first driving piece (241) is arranged outside the conveying chamber (2), a driving shaft (2411) of the first driving piece (241) penetrates the bottom of the conveying chamber (2) and the telescopic piece (26), and the driving shaft (2411) is connected to the side of the lifting frame (243) facing the bottom of the conveying chamber (2).

3. The photovoltaic cell coating device of claim 2, wherein, the lifting assembly (23) further comprises a conveying unit (25), the conveying unit (25) is arranged on the lifting frame (243), and the conveying unit (25) is used for moving materials in a first direction, the first direction is the direction from one side of the conveying chamber (2) to the other side of the conveying chamber (2).

4. The photovoltaic cell coating device of claim 3, wherein, the conveying unit (25) comprises a second driving piece (251) and a plurality of rollers (252); a plurality of the rollers (252) are laid on the lifting frame (243), and the rollers (252) can roll in the direction from one side of the conveying chamber (2) to the other side of the conveying chamber (2); the second driving piece (251) is connected with the rollers (252) and is used for driving the rollers (252) to roll.

5. The photovoltaic cell coating apparatus of claim 4, wherein, the conveying unit (25) further comprises a belt (253), and the belt (253) is connected with the shafts (2521) of the plurality of rollers (252) respectively; the belt (253) is connected with the second driving piece (251).

6. The photovoltaic cell coating apparatus of claim 1, wherein, the at least two second feeding ports (21) are arranged in a row along the height direction of the conveying chamber (2). And / or, the second discharge port (22) is arranged opposite to one of the second inlet ports (21) along a first direction, the first direction being a direction from one side to the other side of the conveying chamber (2).

7. The photovoltaic cell coating device of claim 1, wherein, The product placement table is arranged in one-to-one correspondence with the first discharge port, and the corresponding product placement table and the first discharge port are arranged flush.

8. The photovoltaic cell coating apparatus of claim 1, wherein, The feeding chamber (1) is further provided with a first inlet port (11) away from the conveying chamber (2), and the feeding chamber (1) comprises a first gate valve and a second gate valve; The first gate valve is arranged in correspondence with the first inlet port (11) for opening and closing the first inlet port (11); The second gate valve is arranged in correspondence with the first discharge port for opening and closing the first discharge port.

9. The photovoltaic cell coating apparatus of claim 1, wherein, The photovoltaic cell coating device comprises a buffer chamber (3), which is arranged away from the feeding chamber (1) on the side of the conveying chamber (2); The buffer chamber (3) has at least one third inlet port in communication with the second discharge port (22).

10. A coating system, characterized by, The photovoltaic cell coating device comprises a buffer chamber (3), which is arranged away from the feeding chamber (1) on the side of the conveying chamber (2); The buffer chamber (3) has at least one third inlet port in communication with the second discharge port (22). The photovoltaic cell coating device comprises a buffer chamber (3), which is arranged away from the feeding chamber (1) on the side of the conveying chamber (2); The buffer chamber (3) has at least one third inlet port in communication with the second discharge port (22). The photovoltaic cell coating device comprises a buffer chamber (3), which is arranged away from the feeding chamber (1) on the side of the conveying chamber (2); The buffer chamber (3) has at least one third inlet port in communication with the second discharge port (22). The photovoltaic cell coating device comprises a buffer chamber (3), which is arranged away from the feeding chamber (1) on the side of the conveying chamber (2); The buffer chamber (3) has at least one third inlet port in communication with the second discharge port (22). The photovoltaic cell coating device comprises a buffer chamber (3), which is arranged away from the feeding chamber (1) on the side of the conveying chamber (2); The buffer chamber (3) has at least one third inlet port in communication with the second discharge port (22). The photovoltaic cell coating device comprises a buffer chamber (3), which is arranged away from the feeding chamber (1) on the side of the conveying chamber (2); The buffer chamber (3) has at least one third inlet port in communication with the second discharge port (22). The photovoltaic cell coating device comprises a buffer chamber (3), which is arranged away from the feeding chamber (1) on the side of the conveying chamber (2); The buffer chamber (3) has at least one third inlet port in communication with the second discharge port (22). The photovoltaic cell coating device comprises a buffer chamber (3), which is arranged away

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