Roll-to-roll continuous annealing system

Abstract

The roll-to-roll continuous annealing system comprises a roll-to-roll annealing chamber, an unwinding mechanism, a winding mechanism, a first guide roller, a second guide roller, a third guide roller, a coating head and an air knife, a layer of annular heating chamber and a layer of annular cooling chamber are arranged in the roll-to-roll annealing chamber; the unwinding mechanism is arranged on one side of the roll-to-roll annealing chamber; the winding mechanism is arranged in the roll-to-roll annealing chamber; the first guide roller is arranged on the other side, far away from the roll-to-roll annealing chamber, of the unwinding mechanism, the second guide roller is arranged above the unwinding mechanism, a certain distance is formed between the second guide roller and the unwinding mechanism, and the third guide roller is arranged between the second guide roller and the roll-to-roll annealing chamber; the coating head is arranged between the roll-to-roll annealing chamber and the third guide roller; the air knife is arranged between the coating head and the roll-to-roll annealing chamber; through the arrangement, a certain space is saved, the space utilization rate is increased, uniform annealing can be achieved, different connection devices can be adapted, and the practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of solar cells, and in particular to a roll-to-roll continuous annealing system. Background Art

[0002] The development of photovoltaic technology has received extensive attention from countries around the world. As a new type of solar cell, perovskite solar cells have attracted great attention in the photovoltaic field due to their advantages such as high energy conversion efficiency, low cost, low-temperature preparation, and flexible components.

[0003] Lightweight and flexible perovskite solar cells have broad prospects in building integrated photovoltaics, wearable electronics, portable energy systems and aerospace applications. Flexible perovskite solar modules can be quickly produced through a roll-to-roll process to achieve the industrial application of perovskite solar panels. For the functional layers of different types of perovskite solar panels, such as titanium oxide layers, nickel oxide layers, and functional layers prepared from various oxides, they all need to be uniformly annealed by roll-to-roll unfolding, and even annealed under a protective atmosphere. At present, commonly used annealing devices can only match the production speed of the previous process by continuously increasing the number of furnace bodies, which will seriously restrict the production rhythm of the battery or the annealing equipment will occupy a large area, which is very unfavorable to the production line layout and actual production efficiency. Summary of the invention

[0004] In view of this, the present application provides a roll-to-roll annealing system, which saves a certain amount of space by arranging a cooling chamber in a heating chamber.

[0005] According to one aspect of the present application, a roll-to-roll continuous annealing system is provided, which is suitable for a production line of a flexible perovskite solar cell panel, comprising a roll-to-roll annealing chamber, a reeling mechanism, a first guide roller, a second guide roller, a third guide roller, a coating head and an air knife; at least two layers of annular chambers are arranged inside the roll-to-roll annealing chamber, including an annular heating chamber and an annular cooling chamber, and the flexible perovskite solar cell panel to be processed can be moved along an annular path in the heating chamber and the cooling chamber for heating and cooling; the reeling mechanism is rotatably arranged on one side of the roll-to-roll annealing chamber, and is suitable for releasing the perovskite solar cell panel to be processed; the reeling mechanism is rotatably arranged on the The inside of the roll-to-roll annealing chamber is suitable for winding up the annealed perovskite solar cell panel; the first guide roller is detachably arranged on the other side of the unwinding mechanism away from the roll-to-roll annealing chamber, the second guide roller is detachably arranged above the unwinding mechanism and has a certain distance from the unwinding mechanism, and the third guide roller is detachably arranged between the second guide roller and the roll-to-roll annealing chamber; the coating head is arranged between the roll-to-roll annealing chamber and the third guide roller, and is suitable for applying the solvent used for production to the perovskite solar cell panel; the air knife is arranged between the coating head and the roll-to-roll annealing chamber, and is suitable for blowing air evenly onto the perovskite solar cell panel.

[0006] In a possible implementation, the heating chamber includes a first baffle plate and a second baffle plate, the first baffle plate and the second baffle plate are annular structures, and the second baffle plate is sleeved inside the first baffle plate; the cooling chamber includes a second baffle plate and a third baffle plate, the third baffle plate is also annular structure, and the third baffle plate is sleeved inside the second baffle plate.

[0007] In a possible implementation, the first baffle plate, the second baffle plate, and the third baffle plate are all provided with through channels suitable for the perovskite solar cell panel to pass through.

[0008] In a possible implementation, a plurality of transmission rollers are disposed in the heating chamber and the cooling chamber, and are suitable for conveying the perovskite solar cell panel.

[0009] In a possible implementation, a plurality of transmission rollers are disposed in the heating chamber, and the transmission rollers in the heating chamber are disposed in a circumferential manner from the inner side of the first baffle plate to the outer side of the second baffle plate.

[0010] In a possible implementation, a plurality of transmission rollers are arranged in the cooling chamber, and the transmission rollers in the cooling chamber are arranged in a circumferential manner from the inner side of the second baffle plate to the outer side of the third baffle plate.

[0011] In a possible implementation, the through channel of the first baffle plate is arranged at a height that is the same as the height at which the third guide roller is arranged.

[0012] In a possible implementation manner, the through channel of the second baffle plate is vertically arranged below the through channel of the first baffle plate.

[0013] In a possible implementation, the outer circumferences of the first baffle plate, the second baffle plate, and the third baffle plate are all provided with heat-insulating materials.

[0014] In a possible implementation, a temperature control system and an atmosphere control system are provided on the inner side of the first baffle plate and the inner side of the second baffle plate; the temperature control system includes a temperature control meter, a solid-state relay, a heating element and a thermocouple group; the atmosphere control system includes a vacuum gauge and a charging and discharging pipeline.

[0015] The beneficial effects of the present invention are as follows: by setting a roll-to-roll annealing chamber, the perovskite solar cell panel is heated and cooled in the roll-to-roll annealing chamber to complete annealing, and a reeling mechanism and a reeling mechanism are set. The reeling mechanism is used to release the perovskite solar cell panel to be processed, and the reeling mechanism is used to collect the perovskite cell panel after annealing. By setting a first guide roller, a second guide roller and a third guide roller, the perovskite solar cell panel is introduced into the heating chamber; a coating head is set to be suitable for applying the solvent used for production to the perovskite solar cell panel, and a wind knife is set to volatilize the solvent on the perovskite solar cell panel, thereby ensuring the production of the perovskite solar cell panel film; through the above settings, the present application can not only obtain a complete perovskite film, but also save production space and improve space utilization. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram showing the specific structure of a roll-to-roll continuous annealing system according to an embodiment of the present application is shown. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0018] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar symbols throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0019] In the description of the present invention, it is necessary to understand that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention or simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0020] 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 one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0021] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix", "join", "hinge", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; 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. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] like Figure 1As shown, the roll-to-roll continuous annealing system is suitable for the production line of flexible perovskite film layers, including a roll-to-roll annealing chamber, a reeling mechanism 320, a reeling mechanism 310, a first guide roller 210, a second guide roller 220, a third guide roller 230, a coating head 410 and a wind knife 420; at least two layers of annular chambers are arranged inside the roll-to-roll annealing chamber, including an annular heating chamber 140 and an annular cooling chamber 150, and the flexible perovskite solar cell panel to be processed can move along an annular path in the heating chamber 140 and the cooling chamber 150 for heating and cooling; the reeling mechanism 320 is rotatably arranged on one side of the roll-to-roll annealing chamber, suitable for releasing the perovskite solar cell panel to be processed; the reeling mechanism 310 is rotatable It is arranged inside the roll-to-roll annealing chamber and is suitable for winding the perovskite solar cell panel that has completed annealing; the first guide roller 210 is detachably arranged on the other side of the unwinding mechanism 320 away from the roll-to-roll annealing chamber, the second guide roller 220 is detachably arranged above the unwinding mechanism 320 and has a certain distance from the unwinding mechanism 320, and the third guide roller 230 is detachably arranged between the second guide roller 220 and the roll-to-roll annealing chamber; the coating head 410 is arranged between the roll-to-roll annealing chamber and the third guide roller 230, and is suitable for applying the solvent used for production to the perovskite solar cell panel; the wind knife 420 is arranged between the coating head 410 and the roll-to-roll annealing chamber, and is suitable for blowing air evenly onto the perovskite solar cell panel.

[0023] Specifically, a roll-to-roll annealing chamber is provided, and the roll-to-roll annealing chamber is used to anneal the perovskite solar cell panel. The unwinding mechanism 320 is provided to release the perovskite solar cell panel to be processed, so the unwinding mechanism is provided outside the roll-to-roll annealing chamber. In order to be able to collect the annealed perovskite solar cell panel, a rewinding mechanism 310 is provided, and the rewinding mechanism 310 is provided in the roll-to-roll annealing chamber; in order to be able to accurately put the perovskite solar cell panel into the heating device, a first guide roller 210, a second guide roller 220 and a third guide roller 230 are provided, and the specific positions of the three guide rollers can be limited according to actual conditions. Figure 1 This is an embodiment, but not limited to this embodiment, the first guide roller 210 is detachably arranged on the other side of the unwinding mechanism 320 and the first baffle plate 110, the second guide roller 120 is detachably arranged above the unwinding mechanism 320 and has a certain distance from the unwinding mechanism 320, and the third guide roller 130 is detachably arranged between the second guide roller 120 and the first baffle plate 110, so as to facilitate the introduction of the perovskite solar cell panel into the heating chamber 140; In order to produce perovskite solar panel film, a coating head 410 and a wind knife 420 are set. The coating head 410 is suitable for applying the solvent used for production to the perovskite solar panel; the wind knife 420 is suitable for volatilizing the solvent on the perovskite solar panel, and the solvent enters the heating chamber 140 only after passing through the coating head 410 and the wind knife 420. Therefore, the coating head 410 is set between the first baffle plate 110 and the third guide roller 230, and the wind knife 420 is set between the coating head 410 and the first baffle plate 110.

[0024] In one possible implementation, the heating chamber 140 includes a first baffle plate 110 and a second baffle plate 120, the first baffle plate 110 and the second baffle plate 120 are annular structures, and the second baffle plate 120 is arranged inside the first baffle plate 110; the cooling chamber 150 includes a second baffle plate 120 and a third baffle plate 130, the third baffle plate 130 is also annular structure, and the third baffle plate 130 is arranged inside the second baffle plate 120.

[0025] Specifically, Figure 1 As shown, a first baffle plate 110, a second baffle plate 120 and a third baffle plate 130 are provided, and the second baffle plate 120 is sleeved on the inner side of the first baffle plate 110, so that there is a certain distance between the first baffle plate 110 and the second baffle plate 120, and the third baffle plate 130 is sleeved on the inner side of the second baffle plate 120, and there is a certain distance between the second baffle plate 120 and the third baffle plate 130, so that a heating chamber 140 is formed between the first baffle plate 110 and the second baffle plate 120, and a heating chamber 140 is formed between the second baffle plate 120 and the third baffle plate 130. The cooling chamber 150, the heating chamber 140 and the cooling chamber 150 are formed to anneal the perovskite solar cell panel to form an annealing chamber. The first baffle plate 110, the second baffle plate 120 and the third baffle plate 130 are all arranged in an annular structure, so that the heating chamber 140 and the cooling chamber 150 both form an annular structure. Such an arrangement enables the perovskite solar cell panel to form a circular movement in the heating chamber 140 and the cooling chamber 150, and pass through the heating chamber 140 and the cooling chamber 150 in turn, which saves a certain amount of space and can be annealed evenly.

[0026] In a possible implementation, the first baffle plate 110 , the second baffle plate 120 , and the third baffle plate 130 are all provided with through channels suitable for the perovskite solar cell panel to pass through.

[0027] The centers of the first baffle plate 110, the second baffle plate 120, the third baffle plate 130 and the winding mechanism 310 are the same center; in order to enable the perovskite solar panel to pass through the heating chamber 140 and the cooling chamber 150 in sequence, through channels are opened on the first baffle plate 110, the second baffle plate 120 and the third baffle plate 130, and the size of the through channels is similar to the thickness of the perovskite solar panel, so that the perovskite solar panel can pass through the through channels, and the gap between the perovskite ceramic solar panel and the through channels is very small, and the perovskite solar panel film will not come into contact with the through channels.

[0028] In a possible implementation, a plurality of transmission rollers 240 are disposed in the heating chamber 140 and the cooling chamber 150 , which are suitable for conveying the perovskite solar cell panel.

[0029] In order to enable the perovskite solar cell panel to move automatically in the heating chamber 140 and the cooling chamber 150, a driving roller 240 is provided in the heating chamber 140 and the cooling chamber 150. In order to enable the perovskite solar cell panel to enter the heating device accurately, a first guide roller 210, a second guide roller 220 and a third guide roller 230 are provided. The specific positions of the three guide rollers can be limited according to actual conditions. Figure 1 This is an embodiment, but not limited to this embodiment, the first guide roller 210 is detachably arranged on the other side of the unwinding mechanism 320 and the first baffle plate 110, the second guide roller 120 is detachably arranged above the unwinding mechanism 320 and has a certain distance from the unwinding mechanism 320, and the third guide roller 130 is detachably arranged between the second guide roller 120 and the first baffle plate 110, so as to facilitate the introduction of the perovskite solar cell panel into the heating chamber 140.

[0030] In a possible implementation, a plurality of driving rollers 240 are disposed in the heating chamber 140 , and the driving rollers 240 of the heating chamber 140 are disposed in a circumferential manner from the inner side of the first baffle plate 110 to the outer side of the second baffle plate 120 .

[0031] Specifically, Figure 1 As shown, because the perovskite solar cell panel needs to enter the cooling chamber 150 from the heating chamber 140, the driving roller 240 of the heating chamber 140 is initially arranged on the inner side of the first baffle plate 110 and near the through channel of the first baffle plate 110, and then arranged along the inner side of the first baffle plate 110 in a circular manner toward the outer peripheral side of the second baffle plate 120, and the driving roller 240 of the heating chamber 140 ends on the outer side of the second baffle plate 120 and near the through channel of the second baffle plate 120, so as to facilitate the perovskite solar cell panel to enter the cooling chamber 150.

[0032] In a possible implementation, a plurality of drive rollers 240 are disposed in the cooling chamber 150 , and the drive rollers 240 of the cooling chamber 150 are disposed in a circumferential manner from the inner side of the second baffle plate 120 to the outer side of the third baffle plate 130 .

[0033] Specifically, Figure 1 As shown, after the perovskite solar cell panel is cooled in the cooling chamber 150, it is rolled up by the winding mechanism 310, so the driving roller 240 of the cooling chamber 150 is initially arranged on the inner side of the second baffle plate 120 and near the through channel of the second baffle plate 120, and then arranged along the inner side of the second baffle plate 120 in a circular manner toward the outer peripheral side of the third baffle plate 130, and the driving roller 240 of the cooling chamber 150 ends on the outer side of the third baffle plate 130 and near the through channel of the third baffle plate 130, so as to facilitate the perovskite solar cell panel to enter the third baffle plate 130 and connect with the winding mechanism 310.

[0034] In a possible implementation, the driving roller 240 is movably disposed in the heating chamber 140 and the cooling chamber 150 .

[0035] Specifically, Figure 1 As shown, the transmission roller 240 is configured to be movable so that the distance between the two transmission rollers 240 and the number of circles can be adjusted according to actual conditions.

[0036] In a possible implementation, the through channel of the first baffle plate 110 is arranged at the same height as the third guide roller 230 .

[0037] Specifically, Figure 1 As shown, in order to facilitate the introduction of the perovskite solar cell panel into the heating chamber 140 , the height of the through channel of the first baffle plate 110 is the same as the height of the third guide roller 230 .

[0038] In a possible implementation, the coating head 410 and the air knife 420 are arranged at the same height as the through channel on the first baffle plate 110 .

[0039] Specifically, Figure 1 As shown, before entering the heating chamber 140, it is necessary to apply solvent to the perovskite solar cell panel and evaporate the solvent. A coating head 410 and a wind knife 420 are sequentially arranged between the first baffle plate 110 and the third guide roller 230, and the height of the coating head 410 and the wind knife 420 is the same as the setting height of the through channel of the first baffle plate 110, so that the perovskite solar cell panel can directly enter the heating chamber 140 after the solvent is applied to the perovskite solar cell panel and the solvent is evaporated.

[0040] In a possible implementation, the outer circumferences of the first baffle plate 110 , the second baffle plate 120 , and the third baffle plate 130 are all provided with heat-insulating materials.

[0041] Specifically, Figure 1 As shown, in order to ensure the temperature inside the heating chamber 140 and the cooling chamber 150, thermal insulation materials are provided on the outer peripheral sides of the first baffle plate 110, the second baffle plate 120 and the third baffle plate 130, or the material of the first baffle plate 110, the material of the second baffle plate 120 and the material of the third baffle plate 130 are thermal insulation materials to ensure the temperature of the heating chamber 140 and the cooling chamber 150.

[0042] In one possible implementation, a temperature control system and an atmosphere control system are provided on the inner side of the first baffle plate 110 and the inner side of the second baffle plate 120; the temperature control system includes a temperature control meter, a solid-state relay, a heating element and a thermocouple group; the atmosphere control system includes a vacuum gauge and a charging and discharging pipeline.

[0043] Specifically, Figure 1 As shown, specifically, the temperature control system and the atmosphere control system are set to ensure the temperature uniformity and annealing atmosphere environment of the film during the annealing process.

[0044] In a possible implementation, a base 500 is further included. The base 500 is a trapezoidal structure, and a groove is formed on the base 500. The first baffle plate 110 fits in the groove.

[0045] Specifically, Figure 1 As shown, in order to better fix the first baffle plate 110, a base 500 is provided, and a groove is opened on the base 300, and the diameter of the groove is the same as the diameter of the first baffle plate 110, so that the first baffle plate fits in the groove on the base 500, thereby fixing the first baffle plate 110.

[0046] In a possible implementation, the first baffle plate 110 , the second baffle plate 120 , and the third baffle plate 130 are rectangular ring structures or circular ring structures.

[0047] Example 1 When the present application is connected with vacuum coating equipment, the heating chamber 140 and the cooling chamber 150 can be vacuum chambers to maintain a vacuum environment for coating and annealing to ensure the crystallization quality of coating and annealing.

[0048] Example 2 When the present application is connected with non-vacuum coating equipment, a certain flow of protective gas can be introduced into the heating chamber 300 and the cooling chamber 400 to maintain the annealing environment and ensure the quality of thin film deposition and annealing crystallization.

[0049] When using the present application, firstly, according to the actual situation, choose to use a vacuum heating chamber 140 and a vacuum cooling chamber 150 or a heating chamber 140 containing gas and a cooling chamber 150 containing gas. The unwinding mechanism 510 is installed at a suitable position, and the perovskite solar cell panel is placed through the unwinding mechanism 510 and guided by the guide roller 200, and the surface of the perovskite solar cell panel with the film does not contact the guide roller 200. The perovskite solar cell panel is driven by the guide roller 200 to pass through the heating chamber 300 and the cooling chamber 400 at a uniform speed for annealing, and finally reaches the rewinding mechanism 520.

[0050] The present application sets a first baffle plate 110, a second baffle plate 120 and a third baffle plate 130 to form a heating chamber 140 and a cooling chamber 150. The first baffle plate 110, the second baffle plate 120 and the third baffle plate 130 are all annular structures, so that the whole forms a multi-layer annular structure, in order to save a certain amount of space and facilitate the winding mechanism 310 to wind up the perovskite solar cell panel; the first guide roller 210, the second guide roller 220 and the third guide roller 230 are set to guide the perovskite solar cell panel into the heating chamber 140, and the transmission roller 240 is set to enable the perovskite solar cell panel to move in the heating chamber 140 and the cooling chamber 150. The outside of the first baffle plate 110 is provided with a coating head 410 and a wind knife 420, which are used to apply solvent to the perovskite solar cell panel and volatilize the solvent, and finally form a complete perovskite solar cell panel film; the present application not only saves a certain amount of space and improves space utilization through the above arrangement, but also can anneal evenly and adapt to different connection equipment, and has higher practicality, and solves the technical problem that the annealing equipment can only match the production speed of the previous process by continuously increasing the number of furnace bodies, which will seriously restrict the production rhythm of the battery or the annealing equipment will occupy a very large area.

[0051] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and concepts of the present invention within the scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A roll-to-roll continuous annealing system suitable for the production line of flexible perovskite solar panels, characterized in that: It includes a roll-to-roll annealing chamber, an unwinding mechanism, a rewinding mechanism, a first guide roller, a second guide roller, a third guide roller, a coating head and an air knife; At least two layers of annular chambers are arranged inside the roll-to-roll annealing chamber, including an annular heating chamber and an annular cooling chamber, and the flexible perovskite solar cell panel to be processed can be moved along an annular path in the heating chamber and the cooling chamber for heating and cooling; The unwinding mechanism is rotatably disposed on one side of the roll-to-roll annealing chamber, and is suitable for releasing the perovskite solar cell panel to be processed; The winding mechanism is rotatably disposed inside the roll-to-roll annealing chamber and is suitable for winding up the annealed perovskite solar cell panel; The first guide roller is detachably arranged on the other side of the unwinding mechanism away from the roll-to-roll annealing chamber, the second guide roller is detachably arranged above the unwinding mechanism and has a certain distance from the unwinding mechanism, and the third guide roller is detachably arranged between the second guide roller and the roll-to-roll annealing chamber; The coating head is disposed between the roll-to-roll annealing chamber and the third guide roller and is adapted to apply a solvent for production onto the perovskite solar cell panel; The air knife is disposed between the coating head and the roll-to-roll annealing chamber, and is suitable for blowing air uniformly onto the perovskite solar cell panel.

2. The roll-to-roll continuous annealing system according to claim 1, characterized in that: The heating chamber comprises a first baffle plate and a second baffle plate, the first baffle plate and the second baffle plate are annular structures, and the second baffle plate is sleeved inside the first baffle plate; The cooling chamber comprises a second baffle plate and a third baffle plate, wherein the third baffle plate is also an annular structure and is sleeved inside the second baffle plate.

3. The roll-to-roll continuous annealing system according to claim 2, characterized in that: The first baffle plate, the second baffle plate and the third baffle plate are all provided with through channels, which are suitable for the perovskite solar cell panel to pass through.

4. The roll-to-roll continuous annealing system according to any one of claims 1 to 3, characterized in that: A plurality of transmission rollers are arranged in the heating chamber and the cooling chamber, which are suitable for conveying the perovskite solar cell panel.

5. The roll-to-roll continuous annealing system according to claim 4, characterized in that: There are multiple transmission rollers arranged in the heating chamber, and the transmission rollers in the heating chamber are arranged in a circumferential manner from the inner side of the first baffle plate to the outer side of the second baffle plate.

6. The roll-to-roll continuous annealing system according to claim 5, characterized in that: The number of the transmission rollers arranged in the cooling chamber is plural, and the transmission rollers in the cooling chamber are arranged in a circumferential manner from the inner side of the second baffle plate to the outer side of the third baffle plate.

7. The roll-to-roll continuous annealing system according to claim 2, characterized in that: The through channel of the first baffle plate is arranged at the same height as the third guide roller.

8. The roll-to-roll continuous annealing system according to claim 3, characterized in that: The through channel of the second baffle plate is vertically arranged below the through channel of the first baffle plate.

9. The roll-to-roll continuous annealing system according to claim 8, characterized in that: The outer peripheral sides of the first baffle plate, the second baffle plate and the third baffle plate are all provided with heat insulation materials.

10. The roll-to-roll continuous annealing system according to claim 9, characterized in that: The inner side of the first baffle plate and the inner side of the second baffle plate are both provided with a temperature control system and an atmosphere control system; The temperature control system includes a temperature control meter, a solid-state relay, a heating element and a thermocouple group; The atmosphere control system includes a vacuum gauge and a gas charging and discharging pipeline.

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