Photovoltaic cell string adsorption mechanism and photovoltaic cell string adsorption system

Abstract

The invention provides a photovoltaic cell string adsorption mechanism and a photovoltaic cell string adsorption system, and relates to the field of photovoltaic string welding machines. The photovoltaic cell string adsorption mechanism comprises a hollow adsorption plate, a plurality of air holes are formed in the bottom face of the adsorption plate, two air pipe connectors are arranged on the upper surface of the adsorption plate, and one air pipe connector is used for being communicated with a cold air supply device; the other air pipe connector is used for being communicated with a negative pressure air suction device. The two air pipe connectors and the multiple air holes are all communicated with an inner cavity of the adsorption plate. An elastic buffer layer is further attached to the bottom face of the adsorption plate and provided with a plurality of through holes communicating with the air holes in a one-to-one correspondence mode. The problem that when an adsorption mechanism of the photovoltaic series welding machine adsorbs a battery string, film tape bag pulling is likely to happen is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of photovoltaic string welding machine, in particular to a photovoltaic cell string adsorption mechanism and a photovoltaic cell string adsorption system. BACKGROUND

[0002] The adsorption mechanism of the existing photovoltaic string welding machine is applied to the adsorption of conventional cell strings. For ZBB components, because of the coverage of the carrier film, the adsorption mechanism contacts the carrier film to adsorb the cell string. The film belt is poked and bunched in the field, which causes the film belt to arch, affects the film covering effect, and affects the product reliability.

[0003] Therefore, the present application provides a photovoltaic cell string adsorption mechanism and a photovoltaic cell string adsorption system to solve the above technical problems. SUMMARY

[0004] The present application aims to provide a photovoltaic cell string adsorption mechanism and a photovoltaic cell string adsorption system to solve the problem that the adsorption mechanism is prone to film belt poking and bunching when adsorbing the cell string.

[0005] To achieve the above purpose, the present application provides a photovoltaic cell string adsorption mechanism, which comprises an adsorption assembly, the adsorption assembly comprises an adsorption plate formed with an internal cavity and a buffer layer with elasticity attached to the bottom surface of the adsorption plate; the bottom surface of the adsorption plate is provided with a plurality of air holes, and the adsorption plate is provided with two air pipe interfaces, the air pipe interfaces and the air holes are in communication with the internal cavity of the adsorption plate.

[0006] One of the air pipe interfaces is used to communicate with a cold gas supply device;

[0007] The other air pipe interface is used to communicate with a negative pressure air suction device;

[0008] The buffer layer is provided with a plurality of through holes, which are communicated to the internal cavity of the adsorption plate through the air holes.

[0009] Optionally, the plurality of air holes are arranged in an array.

[0010] Optionally, the buffer layer is made of foamed silica gel plate.

[0011] Optionally, the adsorption assembly further comprises a connecting piece for driving the adsorption plate to press down, the upper surface of the adsorption plate is provided with a guide column, and the connecting piece is sleeved on the guide column; an elastic buffer piece is arranged between the bottom of the connecting piece and the upper surface of the adsorption plate.

[0012] Optionally, the elastic buffer piece is a compression spring sleeved on the guide column.

[0013] Optionally, the guide posts are provided with two, two of the guide posts are all through the connecting piece.

[0014] Optionally, the upper part of the connecting piece is provided with a sliding part for sliding along the slide rail.

[0015] Optionally, the connecting piece comprises a connecting plate and two connecting arms fixed to the same side of the connecting plate; the two connecting arms are respectively provided with the sliding holes.

[0016] Optionally, the two air holes are located on the upper surface of the adsorption plate.

[0017] Optionally, a plurality of groups of the adsorption assemblies are hung on the slide rail, and the plurality of groups of the assemblies are arranged in sequence along the length direction of the slide rail.

[0018] Based on the above purpose, the application further provides a photovoltaic cell string adsorption system, which comprises the photovoltaic cell string adsorption mechanism, the cold gas supply device and the negative pressure air suction device.

[0019] The two air pipe interfaces are respectively connected to the cold gas supply device and the negative pressure air suction device.

[0020] Through the study on the characteristics of the carrier film, it is found that the carrier film is soft at high temperature and is easy to deform and separate from the cell sheet when being adsorbed by vacuum; the carrier film is tight and adheres to the surface of the cell at the cooling state and is not easy to be adsorbed by vacuum.

[0021] The adsorption mechanism provided by the application is connected to the cold gas supply device and the negative pressure air suction device during work, and then the whole can move up and down, the cell string is transported to below the buffer layer, the mechanism vertically moves downward to above the cell string 2MM, and then the blowing is started, the gas plays a cooling role on the carrier film, and the downward blowing force gives the carrier film a downward force, so that the film belt is more adhered, and the cooling and adhering roles are played.

[0022] After the blowing action is completed, the mechanism as a whole is lowered and adheres to the cell string, and a secondary pressing is performed on the film belt and the cell sheet, and because the buffer layer is used, the cell sheet will not be cracked; after the pressing is completed, the negative pressure air suction device is started to suck the cell sheet, and then the cell string adsorption is completed after the cell string is turned upward.

[0023] Compared with the traditional mechanism, the mechanism has the cooling function, the pressing function and the quick switching function.

[0024] Compared with the prior art, the temperature of the carrier film can be reduced by cold gas, and the carrier film is pressed, so that the adsorption effect is better, and the film belt is not easy to be torn. BRIEF DESCRIPTION OF DRAWINGS

[0025] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0026] Figure 1 This represents the normal state of the photovoltaic cell string adsorption mechanism provided in the embodiments of the present invention;

[0027] Figure 2 for Figure 1 The photovoltaic cell string adsorption mechanism shown is in a downward compressed state.

[0028] Figure 3 for Figure 1 A partial schematic diagram of a photovoltaic cell string adsorption system composed of a photovoltaic cell string adsorption mechanism is shown.

[0029] Figure 4 for Figure 3 A diagram showing the result after rotating 90 degrees.

[0030] Explanation of reference numerals in the attached figures:

[0031] 1-Connector; 2-Connecting plate; 3-Guide post; 4- 压簧 5-Tracheal inlet; 6-Adsorption plate; 7-Buffer layer; 8-Slide rail. Detailed Implementation

[0032] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0034] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, or the internal communication of 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.

[0035] Photovoltaic cell string suction mechanism embodiment one

[0036] As shown in Figure 1 and Figure 2 In this embodiment, a photovoltaic cell string suction mechanism is provided, which comprises a suction assembly, the suction assembly comprises a suction plate 6 formed with an internal cavity and a buffer layer 7 with elasticity attached to the bottom surface of the suction plate 6;

[0037] The bottom surface of the suction plate 6 is provided with a plurality of air holes, and the suction plate 6 is provided with two air pipe interfaces 5, which are preferably arranged on the upper surface of the suction plate 6;

[0038] One of the air pipe interfaces 5 is used for communication with a cold gas supply device;

[0039] The other air pipe interface 5 is used for communication with a negative pressure suction device;

[0040] The two air pipe interfaces 5 and the plurality of air holes are in communication with the internal cavity of the suction plate 6;

[0041] The buffer layer 7 is provided with a plurality of through holes, which are communicated to the internal cavity of the suction plate via the air holes; preferably, the plurality of through holes are in one-to-one correspondence with the plurality of air holes.

[0042] Through the study of the characteristics of the carrier film, it is found that the carrier film is soft in high temperature state and is easy to deform and separate from the cell sheet when being vacuum adsorbed; in cooling state, the carrier film is tight and adheres to the surface of the cell, and is not easy to be vacuum adsorbed.

[0043] The suction mechanism provided by the present application is connected with the cold gas supply device and the negative pressure suction device during work, and then the whole can move up and down, the cell string is transported below the buffer layer 7, the mechanism vertically downward runs above the cell string 2MM, starts blowing, the gas plays a cooling role on the carrier film, and the downward blowing force gives the carrier film a downward force, so that the film belt is more adhered, and the cooling and adhering effect is achieved.

[0044] After the blowing action is completed, the mechanism as a whole is lowered and attached to the battery string, and the film belt and the battery piece are subjected to a secondary pressing, and since it is the buffer layer 7, it will not cause the battery piece to be cracked; after the pressing is completed, the negative pressure suction device is turned on to suck the battery piece, and then the battery piece is turned upward to complete the battery string suction;

[0045] Compared with the traditional mechanism, the mechanism has cooling function, pressing function and quick switching function.

[0046] Compared with the prior art, the temperature of the carrier film can be reduced by cold air, and the carrier film is pressed, the adsorption effect is better, and the film belt will not be knotted.

[0047] As Figure 4 In an optional embodiment of the present embodiment, the plurality of air holes are arranged in an array.

[0048] The array of air holes provides uniform cooling and adsorption force, and can better adsorb the carrier film.

[0049] In an optional embodiment of the present embodiment, the buffer layer 7 is made of foamed silica gel plate.

[0050] The buffer layer 7 is made of elastic material, which can provide certain buffering force and will not damage the battery piece when pressed.

[0051] As Figure 4 In an optional embodiment of the present embodiment, the photovoltaic cell string suction mechanism is provided with multiple groups, and the multiple groups of photovoltaic cell string suction mechanisms are arranged along the slide rail in sequence.

[0052] More can be adsorbed, adsorbed more stably, and can be suitable for multiple models.

[0053] Embodiment two

[0054] As Figure 1 and Figure 2 The photovoltaic cell string suction mechanism provided by the present embodiment is a further improvement of the photovoltaic cell string suction mechanism provided by embodiment one, and the technical solution described in embodiment one also belongs to the present embodiment, and the technical solution described in embodiment one will not be described again.

[0055] Specifically, as Figure 1 and Figure 2 In the present embodiment, a photovoltaic cell string suction mechanism is provided, the suction assembly further comprises a connecting piece 1 for driving the suction plate 6 to press down, the upper surface of the suction plate 6 is provided with a guide column 3, and the connecting piece 1 is sleeved on the guide column 3; the bottom of the connecting piece 1 and the upper surface of the suction plate 6 are provided with an elastic buffer.

[0056] The connecting piece 1 plays a role of driving the adsorption plate 6 to be pressed down, and the elastic buffer can provide secondary buffering, and the battery piece is not easy to be pressed and cracked.

[0057] As Figure 1 and Figure 2 In an optional solution of the embodiment, the elastic buffer is a compression spring 4 sleeved on the guide column 3.

[0058] The compression spring 4 is a commonly used buffer, and is simple to use, and other types of buffers can also be used, which are not listed here.

[0059] As Figure 1 and Figure 2 In an optional solution of the embodiment, the guide column 3 is provided with two guide columns 3, and the two guide columns 3 penetrate the connecting plate 2.

[0060] As Figure 1 and Figure 2 In an optional solution of the embodiment, the upper part of the connecting piece 1 is provided with a sliding part for sliding along the slide rail 8.

[0061] The sliding part is convenient for adjusting the position of the whole mechanism, compatible with different versions, and convenient to use.

[0062] Further, the connecting piece 1 includes a connecting plate 2 and two connecting arms fixed to the same side of the connecting plate 2; and the two connecting arms are respectively provided with the sliding holes.

[0063] This structure is simple, can be moved along the two slide rails 8, is not easy to swing, and the sliding is stable.

[0064] Photovoltaic cell string adsorption system embodiment

[0065] As Figure 3 and Figure 4 The embodiment provides a photovoltaic cell string adsorption system, which comprises the photovoltaic cell string adsorption mechanism, and further comprises a slide rail 8, a cold gas supply device and a negative pressure air suction device.

[0066] The sliding part is in sliding connection with the slide rail 8.

[0067] The cold gas supply device and the negative pressure air suction device are respectively connected with the two air pipe interfaces 5.

[0068] Compared with the traditional mechanism, the mechanism has the functions of cooling, pressing and quick switching.

[0069] Compared with the prior art, the temperature of the carrier film can be reduced by cold gas, the carrier film is pressed, the adsorption effect is better, and the film band is not easy to be pulled.

[0070] As Figure 4 For Figure 3 After rotating 90 degrees, the foamed silica gel is arranged in order. In an alternative embodiment of the present application, a plurality of groups of the photovoltaic cell string adsorption mechanisms are arranged along the length direction of the slide rail 8.

[0071] The plurality of groups of adsorption mechanisms are more stable, and can be adjusted to be compatible with different versions.

[0072] Finally, it should be noted that for those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.

[0073] Furthermore, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A photovoltaic cell string adsorption mechanism, characterized in that, The device includes an adsorption assembly, which includes an adsorption plate having an internal cavity and an elastic buffer layer attached to the bottom surface of the adsorption plate. The bottom surface of the adsorption plate is provided with multiple air holes, and the adsorption plate is provided with two air pipe interfaces. The air pipe interfaces and the air holes are all connected to the internal cavity of the adsorption plate. One of the described air pipe interfaces is used to connect to a cold air supply device; Another of the aforementioned endotracheal interfaces is used to connect to a negative pressure inhalation device; The buffer layer is provided with multiple through holes, which are connected to the internal cavity of the adsorption plate via the air holes.

2. The photovoltaic cell string adsorption mechanism according to claim 1, characterized in that, The multiple pores are arranged in an array.

3. The photovoltaic cell string adsorption mechanism according to claim 1, characterized in that, The buffer layer is made of foamed silicone board.

4. The photovoltaic cell string adsorption mechanism according to any one of claims 1-3, characterized in that, The adsorption assembly further includes a connector for driving the adsorption plate downwards. A guide post is provided on the upper surface of the adsorption plate, and the connector is sleeved on the guide post. An elastic buffer is provided between the bottom of the connector and the upper surface of the adsorption plate.

5. The photovoltaic cell string adsorption mechanism according to claim 4, characterized in that, The elastic buffer is a compression spring sleeved on the guide post.

6. The photovoltaic cell string adsorption mechanism according to claim 4, characterized in that, Two guide posts are provided, and both guide posts penetrate the connector.

7. The photovoltaic cell string adsorption mechanism according to claim 4, characterized in that, The upper part of the connector is provided with a sliding part for sliding along the slide rail.

8. The photovoltaic cell string adsorption mechanism according to claim 7, characterized in that, The connector includes a connecting plate and two connecting arms fixed to the same side of the connecting plate; each of the two connecting arms is provided with a sliding hole.

9. The photovoltaic cell string adsorption mechanism according to claim 1, characterized in that, It includes multiple sets of adsorption components, which are suspended on a slide rail and arranged sequentially along the length of the slide rail.

10. A photovoltaic cell string adsorption system, characterized in that, The photovoltaic cell string adsorption system includes the photovoltaic cell string adsorption mechanism, the cold air supply device, and the negative pressure air intake device as described in claims 1-9. The two air pipe interfaces are respectively connected to the cold air supply device and the negative pressure suction device.

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