CN209886960U

CN209886960U - Device for improving welding stability of series welding machine

Info

Publication number: CN209886960U
Application number: CN201920721488.5U
Authority: CN
Inventors: 王晓东; 武绍帅
Original assignee: Zhangjiagang Xiexin Integrated Technology Co Ltd
Current assignee: Zhangjiagang Xiexin Integrated Technology Co Ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-01-03
Anticipated expiration: 2029-05-20

Abstract

The application discloses improve stringer welding stability's device, including the splice plate, place on the splice plate top surface and treat the welded battery piece, the splice plate heats through the many heating rods of inside setting, the splice plate inside in the heating rod top is formed with M shape circulative cooling pipe, the splice plate top is arranged in proper order and is provided with many infrared welding fluorescent tubes, and this many infrared welding fluorescent tube top center department is provided with a circular air knife, circular air knife is connected in a compressed air pipeline, circular air knife is just right treat the welded battery piece. The utility model has the advantages that the circular air knife is used for blowing air downwards above the lamp box, so that the heat convection is generated on the upper surface and the lower surface of the battery piece in the welding process of the battery piece, the uniform surface temperature is ensured, and the bad phenomena of manufacture procedures such as insufficient soldering/over soldering and the like are effectively avoided; an M-shaped circulating cooling pipe is additionally arranged in a welding bottom plate below the welding lamp box, and the welding bottom plate is matched with an external circulating cooling system to accurately control the temperature.

Description

Device for improving welding stability of series welding machine

Technical Field

The application relates to series welding machine welding, in particular to a device for improving welding stability of a series welding machine.

Background

In the production process of a solar module, solar cells need to be welded into cell strings, and a solar cell string welding machine is equipment for welding well-detected cells into strings through welding strips and collecting the welded cell strings in a classified manner, and is widely applied to cell manufacturing. When the battery piece and the welding strip are welded in an infrared mode, the welding temperature needs to be detected in real time, and real-time adjustment is carried out according to a set temperature curve, so that an infrared thermometer is used for detecting the welding temperature in real time, a PID temperature control technology is introduced, infrared welding power is compensated in real time, and the accuracy of the welding temperature is achieved. When welding, the welding area is heated every time, but the welding area is affected by the layout of an infrared heat source and the instability of heat convection, uniform heating temperature cannot be formed on the surface of the battery piece, the temperature of a welding bottom plate below the battery piece is affected uncontrollably, and poor processes such as insufficient welding/over welding of the battery piece and the like caused by the deviation of welding temperature from a process window are easy to cause.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improve stringer welding stability's device to overcome prior art's not enough.

In order to achieve the above object, the present invention provides the following technical solutions.

The embodiment of the application discloses improve device of stringer welding stability, including the splice plate, place on the splice plate top surface and treat the welded battery piece, the splice plate heats through the many heating rods of inside setting, the splice plate inside in the heating rod top is formed with M shape circulative cooling pipe, the splice plate top is arranged in proper order and is provided with many infrared welding fluorescent tubes, and this many infrared welding fluorescent tubes top center department is provided with a circular air knife, circular air knife is connected in a compressed air pipeline, circular air knife is just right treat the welded battery piece.

Preferably, in the apparatus for improving welding stability of a series welding machine, a temperature measuring rod hole is formed in the welding base plate.

Preferably, in the above apparatus for improving welding stability of a series welding machine, an infrared probe is disposed above the infrared welding lamp tube and is used for monitoring the temperature of the battery piece to be welded.

Preferably, in the device for improving the welding stability of the series welding machine, the infrared welding lamp tube is arranged in a lamp box, a tail gas side box is arranged around the lamp box, and the tail gas side box is connected to a tail gas discharge pipeline.

The utility model uses the circular air knife to blow air downwards above the lamp box, so that the heat convection is generated on the upper surface and the lower surface of the battery piece in the welding process of the battery piece, the uniform surface temperature is ensured, and the bad phenomena of manufacture procedures such as insufficient soldering/over soldering and the like are effectively avoided; an M-shaped circulating cooling pipe is additionally arranged in a welding bottom plate below the welding lamp box, and the welding bottom plate is matched with an external circulating cooling system to accurately control the temperature.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of an apparatus for improving welding stability of a series welding machine according to an embodiment of the present invention;

FIG. 2 is a top view of a welded baseplate according to an embodiment of the present invention;

fig. 3 is a flow chart of the apparatus for improving the welding stability of the series welding machine according to the embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a device for improving welding stability of a series welding machine includes a welding base plate 100, a battery piece 200 to be welded is placed on a top surface of the welding base plate 100, the welding base plate 100 is heated by a plurality of heating rods 110 arranged inside, an M-shaped cooling circulation pipe 120 is formed above the heating rods 110 inside the welding base plate 100, a plurality of infrared welding lamp tubes 300 are sequentially arranged above the welding base plate 100, a circular air knife 400 is arranged at a center above the plurality of infrared welding lamp tubes 300, the circular air knife 400 is connected to a compressed air pipeline 500, and the circular air knife 400 is opposite to the battery piece 200 to be welded. An infrared probe 600 is arranged above the infrared welding lamp tube 300 and used for monitoring the temperature of the battery piece 200 to be welded. The infrared welding lamp 300 is arranged in a lamp box 700, a tail gas side box 710 is arranged around the lamp box 700, and the tail gas side box 710 is connected to a tail gas discharge pipeline 720.

In the technical scheme, the battery piece is conveyed to the upper surface of the welding bottom plate in the welding process, the power of the infrared welding lamp tube is increased to the welding power, the welding temperature of the battery piece is measured and controlled by an infrared probe, the heat convection in the welding process is blown and diffused to the surface of the battery piece by a circular air knife above a lamp box as shown in figure 3, and then the heat convection is collected by tail gas side boxes around the lamp box and is discharged through a tail gas discharge pipeline, so that the stable welding heat convection of the battery piece is formed, and the uniformity of the surface temperature of the battery piece is ensured; because the welding bottom plate is a carrier and a preheating plate in the cell welding process, the temperature stability of the welding bottom plate also influences the welding quality of the cell, the temperature of the welding bottom plate is controlled in the production process, and when the temperature of the welding bottom plate exceeds a set value, cooling liquid is pumped to the M-shaped circulating cooling pipe by the refrigerator, takes away excessive heat and then flows back to the refrigerator. The purpose of improving the welding stability of the series welding machine is achieved by improving the thermal cycle of the lamp box and controlling the temperature of the welding bottom plate.

Further, a temperature measuring rod hole 130 is formed inside the welding base plate 100.

In the technical scheme, the welding bottom plate temperature base can be monitored in real time, and the flow of cooling liquid in the M-shaped circulating cooling pipe can be automatically controlled after the control mechanism is additionally arranged, so that the temperature base of the welding bottom plate is controlled.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.

Claims

1. The utility model provides an improve device of stringer welding stability, its characterized in that, includes the splice plate, place on the splice plate top surface and treat the welded battery piece, the splice plate heats through the many heating rods of inside setting, the splice plate inside in the heating rod top is formed with M shape circulative cooling pipe, the splice plate top is arranged in proper order and is provided with many infrared welding fluorescent tubes, and this many infrared welding fluorescent tube top center department is provided with a circular air knife, circular air knife is connected in a compressed air pipeline, circular air knife is just right treat the welded battery piece.

2. The device for improving the welding stability of the series welding machine according to claim 1, wherein a temperature measuring rod hole is formed in the welding bottom plate.

3. The device for improving the welding stability of the series welding machine according to claim 1, wherein an infrared probe is arranged above the infrared welding lamp tube and used for monitoring the temperature of the battery pieces to be welded.

4. The apparatus of claim 1, wherein the infrared welding lamp tube is disposed inside a lamp box, and a tail gas side box is disposed around the lamp box and connected to a tail gas exhaust pipeline.