CN115832114A - Welding strip positioning assembly and battery string interconnection device - Google Patents
Welding strip positioning assembly and battery string interconnection device Download PDFInfo
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- CN115832114A CN115832114A CN202310058287.2A CN202310058287A CN115832114A CN 115832114 A CN115832114 A CN 115832114A CN 202310058287 A CN202310058287 A CN 202310058287A CN 115832114 A CN115832114 A CN 115832114A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a welding strip positioning assembly and a battery string interconnection device, wherein the welding strip positioning assembly comprises: the pressing tool comprises a frame and a plurality of elastic pieces arranged on the frame, the bottom surface of each elastic piece is pressed against the first adhesive film layer, the top surface of each supporting part is supported on the bottom surface of the second adhesive film layer, and the elastic pieces and the supporting parts respectively press and connect the bottom surfaces of the first adhesive film layers and the top surface dot matrixes of the second adhesive film layers on the surfaces of the battery pieces on two sides of the length of the front welding strip and the back welding strip; the pressing tool and the supporting part enable the first adhesive film layer and the second adhesive film layer to be located on the upper surface and the lower surface of the battery piece through the front welding strip and the back welding strip through a plurality of pressing points, and the pressing points enable the welding strip to be precisely pressed on the surface of the battery piece, so that the welding strip is not deviated from the position between the battery piece when the adhesive film is heated and bonded, and the welding strip and the battery piece are prevented from being connected or separated from the battery piece in a virtual mode.
Description
Technical Field
The invention relates to the technical field of solar cells, in particular to a solder strip positioning assembly and a cell string interconnection device.
Background
The low-temperature welding technology of the battery string becomes the mainstream trend of the development of the photovoltaic industry, the welding strip is fixedly connected with the non-main-grid battery piece mainly in a glue or glue film low-temperature bonding mode, only fine grids are arranged on the surface of the non-main-grid battery piece, the printed silver paste amount is small, the silicon chip is thin, and the cost of the battery piece is low.
In the adhesive film bonding technology, the polymer composite film is heated to generate viscosity to cover and bond the welding strip on the surface of the battery piece, so that the technology of welding the battery string at high temperature is replaced. Traditional solder strip locate mode can only use the frock to press on the glued membrane that covers the solder strip upper strata, frock whole face is pressed in the glued membrane upper surface, during the glued membrane heating, glued membrane self can become soft, warp even, make the solder strip easily the glued membrane area squint, thereby make solder strip and battery piece gate line location not accurate, solder strip and battery piece virtual connection, in addition, the melting glued membrane easily flows into between solder strip and the battery piece when heating the glued membrane, make the solder joint on solder strip and the battery piece break away from, lead to insulating between solder strip and the battery piece, influence battery cluster quality.
Disclosure of Invention
In order to solve the technical problem, the invention provides a welding strip positioning assembly, which can press the adhesive films laid on the two sides of the length of the welding strip on the front and back surfaces of a battery piece onto the surface of the battery piece when the adhesive films are heated and adhered to the welding strip, so that the welding strip is accurately pressed onto the surface of the battery piece, the welding strip is not deviated from the position of the battery piece when being heated and adhered, and the problem that the welding strip is connected with or separated from the battery piece in a virtual mode is solved.
In a first aspect, the present application provides a welding strip positioning assembly, the welding strip positioning assembly is used for positioning a welding strip on the front and back sides of a battery string, the battery string is provided with a first adhesive film layer, a front welding strip, a battery piece, a back welding strip and a second adhesive film layer from top to bottom, the first adhesive film layer coats the front welding strip on the upper surface of the battery piece, the second adhesive film layer coats the back welding strip on the lower surface of the battery piece, wherein,
the solder strip positioning assembly comprises: the pressing tool comprises a frame and a plurality of elastic pieces arranged on the frame, the bottom surfaces of the elastic pieces are pressed against the first adhesive film layer, and the elastic lattices of the first adhesive film layer on two sides of the front welding strip are pressed against the upper surface of the battery piece; the top surface of the supporting part is pressed against the bottom surface of the second adhesive film layer, the second adhesive film layer lattices on two sides of the back welding strip are pressed on the lower surface of the battery piece, and the elastic part and the supporting part enable the first adhesive film layer and the second adhesive film layer to position the front welding strip and the back welding strip on the upper surface and the lower surface of the battery piece through a plurality of pressing points;
in an optional first aspect, the solder strip positioning assembly further includes a transmission belt for transmitting the battery string and the pressing tool.
In an optional first aspect, the supporting portion includes a plurality of protruding points disposed on the upper surface of the transmission belt, and the protruding points abut against the second adhesive film layers on two sides of the diameter of the back welding belt on the lower surface of the battery piece.
In an optional first aspect, the supporting portion includes a positioning module disposed below the conveying belt, and a plurality of supporting rods elastically connected to the positioning module, and the supporting rods penetrate through holes disposed on the conveying belt and abut against the second adhesive film layers on two sides of the diameter of the back welding belt.
Optionally in the first aspect, the conveying belt is provided with a plurality of adsorption holes which are uniformly distributed, and the adsorption holes are used for adsorbing and fixing the second adhesive film layer and/or the battery piece.
In an optional first aspect, the welding strip positioning assembly further comprises a heating mechanism, the transmission belt drives the battery string and the pressing tool to pass through the heating mechanism, the heating mechanism heats the battery string to enable the first adhesive film layer and the second adhesive film layer to be adhered to the pressing points on the surface of the battery piece to form a plurality of adhering points, and the front welding strip and the back welding strip are fixed on the surface of the battery piece through the adhering points to be serially connected as the battery string.
In an alternative first aspect, the heating mechanism comprises a heating rod disposed below the conveyor belt; and/or an infrared lamp tube arranged above the transmission belt.
The first aspect is optional, the elastic component includes with the frame passes through spring elastic connection's tucking, tucking with branch respectively with the one end of first glued membrane layer with the butt of second glued membrane layer all is equipped with two contacts at least, wherein, is same the contact of tucking supports to press in on the first glued membrane layer of front side welding area with one side, is same the contact of branch supports respectively to press in on the second glued membrane layer of back side welding area both sides, just be close to on the tucking the contact of back side welding area diameter with the contact of branch is just to setting up.
In an optional first aspect, the solder strip positioning assembly further includes a driving portion connected to the support portion, and the driving portion is configured to drive the support portion to lift;
the supporting part also comprises a supporting bottom plate, at least two guide rods and a U-shaped plate, wherein the supporting bottom plate, the at least two guide rods and the U-shaped plate are arranged on the bottom surface of the conveying belt;
the drive division including wear to locate orientation module with roof between the U template, and with the lift actuating mechanism that the roof bottom is connected, the top of roof with orientation module bottom butt, the lift actuating mechanism drive the roof reciprocates, thereby drives orientation module and connection be in on the orientation module branch goes up and down, makes branch passes through-hole on the transmission belt or retract to the below of transmission belt.
In an optional first aspect, the driving portion further includes a support and a slide rail fixed on the support, the slide rail is connected with a plurality of the supporting portions in a sliding manner, the supporting portions are arranged in parallel along the conveying direction of the conveying belt, the bottom of the U-shaped plate is further connected with a linear driver in a driving manner, and the linear driver is used for adjusting the distance between each two supporting portions.
In an optional first aspect, the welding strip positioning assembly further comprises supporting tables arranged on two sides of the transmission belt, the tops of the supporting tables are in contact with the bottom surfaces of two ends of the pressing tool, and the transmission belt can drive the battery string and the pressing tool to move synchronously relative to the supporting tables.
The second aspect, this application has proposed a battery cluster interconnection device, battery cluster interconnection device is including being used for fixing transmission belt's frame, and above-mentioned arbitrary one weld and take locating component, weld and take locating component in the supporting part sets up frame horizontal middle section, the horizontal anterior segment of frame is used for laying the battery cluster, the horizontal back end of frame is used for picking up the tamp on the battery cluster after the heating, the transmission belt drives the battery cluster passes through in proper order the horizontal anterior segment of frame, horizontal middle section and horizontal back end.
The invention has accomplished and set up in the first glue film layer of the positive side of the battery piece, front welding strip and set up in the second glue film layer and back welding strip of the reverse side of the battery piece to position and bond and fix at the same time, this application uses elastic member and supporting part to put the first glue film layer above the welding strip of the positive side and lay the elastic lattice of the second glue film layer below the welding strip of the back on the battery piece close to both sides of diameter of welding strip, make front welding strip and back welding strip positioned on battery piece accurately, glue film and battery piece lattice pressed the position contacted firmly together through heating are bonded together, the diameter both sides of the welding strip are wrapped up and fastened on the surface of battery piece by several glue films and bond points of the battery piece. The mode that the dot matrix was pressed can be more close to and weld area diameter edge to make the glued membrane will weld the more tight of taking the cladding, make and weld the area and more paste tight battery piece surface, effectively solve and weld the area when the heating bonds, drive the problem that squints or glued membrane flowed into between solder strip and the battery piece by the glued membrane, thereby provide the welding quality of battery cluster.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of a front view of a battery string according to the present invention;
FIG. 2 is a schematic view of a first solder strip positioning assembly according to the present invention;
FIG. 3 is a schematic view of a second solder strip positioning assembly according to the present invention;
FIG. 4 is a schematic structural view of an embodiment of a second solder strip positioning assembly in accordance with the present invention;
FIG. 5 is a bottom view of the support portion of FIG. 4;
fig. 6 is a schematic structural diagram of a battery string interconnection apparatus according to the present invention.
Wherein the reference numerals are:
100. a battery string; 101. a first adhesive film layer; 102. welding a belt on the front side; 103. a battery piece; 104. welding a belt on the back; 105. a second adhesive film layer; 106. bonding points;
200. pressing; 21. a frame; 201. a light-transmitting hole; 22. an elastic member;
300. a support portion; 31. a positioning module; 32. a strut; 33. a support base plate; 34. a guide bar; 35. a U-shaped plate; 36. a support table;
400. a transfer belt; 41. salient points; 42. a through hole;
500. a drive section; 51. a top plate; 52. a lifting drive mechanism; 521. an adapter plate; 522. driving the rotating shaft; 523. a rotating electric machine; 524. a cam; 53. a support; 54. a slide rail; 55. a linear actuator;
600. a first heating mechanism; 700. a second heating mechanism; 800. a frame.
Detailed description of the preferred embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplicity of operation, 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" and "second" are used only for descriptive purposes and are not intended to be limiting.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
The low-temperature welding technology of the battery string is that a welding strip is heated at low temperature through glue or a glue film and is adhered and fixed on the surface of a battery piece, the battery piece is more than a main-grid-free battery piece, fine grids are only printed on the surface of the main-grid-free battery piece, the amount of printed silver paste is small, and a silicon wafer is thin, so that the cost of the battery piece is lower than that of a conventional battery piece with a main grid, as shown in fig. 1, the welding strip positioning assembly and the battery string interconnection device provided by the application are applied to manufacturing the battery string 100 with the glue film adhered to the welding strip, the battery string 100 is respectively provided with a first glue film layer 101, a front welding strip 102, a battery piece 103, a back welding strip 104 and a second glue film layer 105 from top to bottom, the first glue film layer 101 coats the front welding strip 102 on the upper surface of the battery piece 103, the second glue film 105 coats the back welding strip 104 on the bottom surface of the battery piece 103, the upper surface of the battery piece 103 is defined as the front surface of the battery piece 103, and the lower surface of the battery piece 103 is defined as the back surface of the battery piece 103.
In the existing battery string preparation technology, the existing tool for positioning the welding strip can only press the adhesive film covering the outer layer of the welding strip, so that the adhesive film cannot be tightly attached to the battery piece 103, and the hardness of the adhesive film can be weakened when the adhesive film is heated, and even the adhesive film can deform, such as wrinkling or curling. Therefore, when the adhesive film and the battery piece are bonded by heating, the welding strip is easy to deviate by the adhesive film strip, so that the positioning of the welding strip and the grid line on the battery piece is not accurate, and the welding strip is connected with the battery piece in a virtual mode; because the welding strip is not well positioned on the battery piece, and because the adhesive film is in a molten state when being heated or the adhesive film is heated and pressurized, the softened adhesive film can be squeezed between the welding strip and the battery piece, so that the welding strip is supported by the adhesive film and separated from a welding point of the battery piece, the insulation between the welding strip and the battery piece is caused, and the welding quality of the battery string is reduced.
Therefore, when the battery string 100 is heated and bonded, the adhesive films on the two sides of the length of the welding strip on the front side and the back side of the battery string 100 are subjected to dot matrix pressing and fixing through the welding strip positioning assembly, so that the welding strip is accurately positioned on the surface of the battery piece 103, the part in contact with the battery piece 103 through heating the adhesive films is firmly bonded to form a plurality of bonding points 106, and the two sides of the diameter of the welding strip are tightly bonded to the surface of the battery piece 103 through the adhesive films and the bonding points 106 of the battery piece 103.
Referring to fig. 1 and fig. 2, the solder strip positioning assembly provided in the present application includes: the pressing tool 200 is pressed on the first adhesive film layer 101 of the battery string 100, and the supporting part 300 is arranged below the battery string 100, the pressing tool 200 comprises a frame 21 and a plurality of elastic pieces 22 arranged on the frame 21, the bottoms of the elastic pieces 22 are pressed on the first adhesive film layer 101, and the elastic lattices of the first adhesive film layer 101 on two sides of the front welding strip 102 are pressed on the upper surface of the battery piece 103; the top of the supporting portion 300 abuts against the bottom surface of the second adhesive film layer 105, and the dot matrix of the second adhesive film layer 105 on the two sides of the back welding strip 104 is pressed on the lower surface of the battery piece 103, and the elastic member 22 and the supporting portion 300 enable the bottom surface of the first adhesive film layer 101 and the top surface of the second adhesive film layer 105 to position the front welding strip 102 and the back welding strip 104 on the upper and lower surfaces of the battery piece 103 through a plurality of pressing points.
As an example, the solder ribbon positioning assembly further includes a transfer belt 400, and the transfer belt 400 is used for transferring the battery string 100 and the presser 200.
In some embodiments, as shown in fig. 2, the supporting portion 300 may also be a plurality of protruding points 41 disposed on the transmission belt 400, top surfaces of the protruding points 41 abut at least a bottom surface of the second adhesive film layer 105, top surfaces of the plurality of protruding points 41 abut at least the second adhesive film layer 105 near two sides of the diameter of the back surface welding strip 104 on a lower surface of the battery piece 103, and two adjacent protruding points 41 clamp the diameter of the back surface welding strip 104 in a recess between the two protruding points 41 to position the back surface welding strip 104 on the battery piece 103 at two sides of the diameter.
It should be noted that the bumps 41 on the transmission belt 400 are at least arranged on two sides close to the diameter of the solder strip, and part of the bumps 41 can be additionally arranged at any position between two adjacent solder strips, so that the number of the bonding points 106 of the second adhesive film layer 105 and the battery piece 103 is increased, the positioning accuracy of the solder strips is ensured, the adhesion strength of the second adhesive film layer 105 and the battery piece 103 is increased, the second adhesive film layer 105 can be flatly pressed on the battery piece 103, and the adhesive film is prevented from deforming and wrinkling when the transmission belt 400 transmits the laid battery string 100 for heating and bonding.
It should be further noted that the length direction of the transmission belt 400 is uniformly provided with adsorption holes for adsorbing the second adhesive film layer 105 and/or the battery pieces 103, and the adsorption holes are used for fixing the second adhesive film layer 105 located at the bottom of the battery string 100, or adsorbing and fixing the battery pieces 103 laid on the second adhesive film layer 105, or simultaneously adsorbing and fixing the second adhesive film layer 105 and the battery pieces 103 located on the second adhesive film layer 105, so that when the second adhesive film layer 105 and/or the battery pieces 103 continuously convey the battery string 100 by the transmission belt 400, no position movement occurs, the protrusions 41 and the adsorption holes are arranged at intervals, and the depressions between two adjacent protrusions 41 correspondingly accommodate the back surface welding strips 104, so that the back surface welding strips 104 do not move relative to the second adhesive film layer 105 and the battery pieces 103, and the welding precision of the welding strips in the battery string 100 is ensured.
In some embodiments, referring to fig. 3, the supporting portion 300 may further include a positioning module 31 disposed below the transmission belt 400, and a plurality of supporting rods 32 elastically continuous with the positioning module 31, specifically, a plurality of through holes 42 are disposed on the transmission belt 400, and the supporting rods 32 can penetrate through the through holes 42 disposed on the transmission belt 400 to abut against the bottom surface of the second adhesive film layer 105, and abut the second adhesive film layer 105 against the bottom surface of the battery piece 103.
It should be noted that the through hole 42 formed in the transmission belt 400 and used for passing through the support rod 32 and the suction hole formed in the transmission belt 400 can share the same hole, and both the through hole 42 and the suction hole are arranged oppositely according to the position where the support rod 32 extends out of the transmission belt 400 and the diameter of the solder strip is positioned.
When the battery string 100 is heated and bonded, the bottom of the elastic member 22 on the pressing tool 200 is pressed against the first adhesive film layer 101, and the elastic dot matrix of the first adhesive film layer 101 on the two sides of the front welding strip 102 is pressed against the upper surface of the battery piece 103; the supporting rod 32 will extend out of the through hole 42 of the transmission belt 400 and press against the bottom surface of the second adhesive film layer 105, and the top surface of the second adhesive film layer 105 is pressed against the lower surface of the battery piece 103, so that the first adhesive film layer 101 and the second adhesive film layer 105 respectively form a plurality of bonding points 106 with the front surface and the back surface of the battery piece 103.
In some embodiments, the solder strip positioning assembly further includes a heating mechanism, the transmission belt 400 drives the battery string 100 and the pressing tool 200 to pass through the heating mechanism, the heating mechanism heats the battery string 100 to adhere the first adhesive film layer 101 and the second adhesive film layer 105 to the pressing points on the surface of the battery piece 103 to form a plurality of bonding points 106, and the plurality of bonding points 106 fix the front solder strip 102 and the back solder strip 104 on the surface of the battery piece 103 to form the battery string 100 in series.
Specifically, the laid battery string 100 and the pressing tool 200 pressed against the battery string 100 are synchronously conveyed to the heating mechanism by the conveying belt 400, during heating, adhesive films on two sides of the front-side welding strip 102 on the upper surface of the battery piece 103 and on two sides of the back-side welding strip 104 on the lower surface of the battery piece 103 are both subjected to dot matrix pressing on the front and back surfaces of the battery piece 103 by the pressing tool 200 and the supporting part 300, heating is performed to enable the adhesive films in dot matrix pressing on the pressing tool 200 and the supporting part 300 to be bonded with pressing points of the battery piece 103 to form a plurality of bonding points 106, two sides of the diameter of the welding strip are fastened on the battery piece 103 by the bonding points 106, so that the welding strip is accurately fixed on the surface of the battery piece 103, dot matrix pressing can concentrate force applied by the pressing tool 200 and the supporting part 300 on contact points of the adhesive films and the battery piece 103, so that bonding force of the adhesive films and the battery piece 103 is enhanced, the adhesive films are wrapped and fixed on the surface of the battery piece 103 from two sides of the diameter of the welding strip by the bonding points 106, and the welding strip is tightly adhered to the surface of the battery piece 103 under the effect of the bonding points 106 and the wrapping force, so that the welding strip does not shake, and the welding strip does not flow into the surface of the battery piece 103, and further does not cause the condition that the insulation between the battery piece 103 and the insulation of the battery piece 103.
Specifically, positioning module 31 sets up in transmission belt 400 below, when transmission belt 400 drove battery cluster 100 and removes, the branch 32 of connection on positioning module 31 is in the low level, when transmission belt 400 drove battery cluster 100 and removes to the heating region of heating mechanism, positioning module 31 drove branch 32 and stretches out the through-hole 42 that corresponds on the transmission belt 400, offset with the bottom elasticity of second glued membrane layer 105, make branch 32 elasticity application of force in the bottom of second glued membrane layer 105, press the top surface of second glued membrane layer 105 in the bottom surface of battery piece 103, fix back welding strip 104 at the battery piece 103 lower surface with this.
It should be noted that both the elastic member 22 and the supporting portion 300 on the pressing tool 200 only act on the adhesive films on both sides of the front solder strip 102 and the back solder strip 104, the adhesive films on both sides of the front solder strip 102 and the back solder strip 104 are pressed and connected to the surface of the battery piece 103 by applying a preset pressure and a supporting force of the supporting portion 300 through the elastic member 22, after heating, the adhesive films on the surface of the battery piece 103 and the battery piece 103 are pressed and connected to form a plurality of bonding points 106, and the bonding points 106 on both sides of the solder strip make the solder strip be fixed on the surface of the battery piece 103 by being covered by the adhesive films, so as to position the solder strips on the front and back sides of the battery piece 103 on the battery piece 103. The closer the bonding points 106 on the two sides of the welding strip are to the diameter of the welding strip, the smaller the movable amount of the welding strip is, the higher the positioning accuracy is, the closer the edge of the diameter of the welding strip can be achieved by using the dot matrix of the elastic part 22 and the supporting part 300 in a connection mode, so that the welding strip is wrapped more tightly, the welding strip is made to be more tightly attached to the surface of the battery piece 103, the problem that the welding strip is driven to deviate by a glue film or the glue film flows into the space between the welding strip and the battery piece 103 when being heated and bonded is effectively solved, and the welding quality of the battery string 100 is improved.
In some embodiments, the heating mechanism comprises a heating rod disposed below the conveyor belt 400; and/or an infrared ray lamp disposed above the transfer belt 400. When the heating rod is used for heating the transmission belt 400, the adhesive films on the front and back sides of the battery string 100 are heated and bonded with the battery sheets 103 in a heat conduction mode of the transmission belt 400; when the infrared lamp tube is used for heating, the infrared lamp tube heats the battery piece 103 and the welding strip, the elastic piece 22 and the support rod 32 are pressed on the first adhesive film layer 101 and the second adhesive film layer 105 on the surface of the battery piece 103, and heat transferred through the battery piece 103 is transmitted to a pressing point, so that the first adhesive film layer 101 and the second adhesive film layer 105 are bonded at the pressing point; when the heating mechanism is including setting up the heating rod in transmission belt 400 below and setting up the infrared lamp above transmission belt 400, the heating rod in transmission belt 400 below heats to placing first glued membrane layer 101 and second glued membrane layer 105 on transmission belt 400, bond first glued membrane layer 101 and second glued membrane layer 105 on battery piece 103 surface with elastic component 22 and branch 32 according to connecting, be located the infrared lamp of transmission belt 400 top and heat to the solder strip of laying in the battery piece 103 positive and negative, in order to weld the grid line metal connection of area heating and battery piece 103, increase the fastness that solder strip and battery piece 103 linked firmly, prevent solder strip skew and battery piece 103 virtual joint or break away from, the serial quality of battery cluster 100 has been guaranteed.
Preferably, when the infrared lamp is used for heating, the pressing tool 200 is correspondingly provided with a light-transmitting hole 201, the light-transmitting hole 201 is arranged opposite to the front solder strip 102 on the upper surface of the battery piece 103, and the adhesive film has certain light-transmitting property, so that the light-transmitting hole 201 is used for irradiating infrared rays emitted by the infrared lamp on the front surface of the front solder strip 102 through the frame 21 of the pressing tool 200 when the heating mechanism is used for heating, so that the solder strip is directly heated by the infrared rays and is connected to a grid wire of the battery piece 103 through metal.
In some embodiments, as shown in fig. 3, the elastic member 22 includes a pressing pin connected to the frame 21 of the pressing tool 200 through a spring, and at least two contacts are disposed at one end of the pressing pin and one end of the supporting rod 32 abutting against the first adhesive film layer 101 and the second adhesive film layer 105, respectively, wherein the contact of the same pressing pin abuts against the first adhesive film layer 101 on the same side of the front welding strip 102, the contact of the same supporting rod 32 abuts against the second adhesive film layer 105 on both sides of the diameter of the back welding strip 104, and the contact of the pressing pin adjacent to the diameter of the back welding strip 104 and the contact of the supporting rod 32 are disposed opposite to each other, so as to fix the front welding strip 102 and the back welding strip 104 from both sides of the battery piece 103 through the contact of the pressing pin and the contact of the supporting rod 32 on the diameter of the welding strip, so that the contact of the pressing pin and the contact of the supporting rod 32 abut against each other up and down to reduce the acting force of the pressing pin or the supporting rod 32 elastically abutting against one side of the battery piece 103, thereby preventing the battery piece 103 from being damaged by the contact.
It should be noted that the elastic member 22 provided in the present application may also be another elastic member, such as a rubber column, and may also elastically abut against the surface of the adhesive film, and will not damage the battery piece 103.
In some embodiments, referring to fig. 4 and 5, the solder strip positioning assembly further includes a driving part 500 connected to the supporting part 300, the driving part 500 being used for driving the supporting part 300 to move up and down, wherein,
the supporting part 300 further comprises a supporting bottom plate 33, at least two guide rods 34 and a U-shaped plate 35, wherein the supporting bottom plate 33, the at least two guide rods 34 and the U-shaped plate 35 are arranged on the bottom surface of the transmission belt 400, the upper and lower parts of the guide rods 34 are respectively connected with the two ends of the supporting bottom plate 33 and the two ends of the U-shaped plate 35, and the two ends of the positioning module 31 penetrate through the guide rods 34 and are connected between the supporting bottom plate 33 and the U-shaped plate 35 in a sliding manner;
the driving part 500 comprises a top plate 51 arranged between the positioning module 31 and the U-shaped plate 35 in a penetrating manner, and a lifting driving mechanism 52 connected with the bottom of the top plate 51, the top of the top plate 51 is abutted against the bottom of the positioning module 31, and the lifting driving mechanism 52 drives the top plate 51 to move up and down, so that the positioning module 31 and the support rod 32 connected to the positioning module 31 are driven to lift, and the support rod 32 penetrates through the through hole 42 in the transmission belt 400 or retracts below the transmission belt 400.
In some embodiments, the lifting driving mechanism 52 includes an adapter plate 521 disposed at both ends of the length of the top plate 51, a driving rotating shaft 522 connected to the adapter plate 521 through a cam 524, one end of the driving rotating shaft 522 is connected to a rotating motor 523, and the rotating motor 523 drives the cam 524 to rotate so as to drive the adapter plate 521 rotatably connected to the cam 524 to move up and down, thereby driving the top plate 51 to lift.
Specifically, in this embodiment, the transmission belt 400 drives the laid battery strings 100 and the pressing tools 200 located on the battery strings 100 to pass through the supporting portion 300 arranged below the transmission belt 400, after the battery strings 100 to be interconnected and bonded are stopped above the supporting portion 300, the lifting driving mechanism 52 lifts the top plate 51 to move upwards, the top plate 51 drives the positioning module 31 to move upwards, so that the supporting rods 32 connected with the positioning module 31 pass through the through holes 42 on the transmission belt 400 to elastically abut against the bottom of the second adhesive film layer 105, the second adhesive film layer 105 is pressed on the battery sheets 103 on two sides of the diameter of the back welding strip 104, meanwhile, the first adhesive film layers 101 on two sides of the diameter of the front welding strip 102 on the battery sheets 103 are pressed on the upper surfaces of the battery sheets 103 by the pressing pins, the heating mechanism heats the battery strings 100 at this time, under the effect of the pressing pins and the supporting rods 32, the first adhesive film layers 101 and the front surfaces of the battery sheets 103, and the back surfaces of the second adhesive film layers 105 and the battery sheets 103 are uniformly connected with a plurality of bonding points 106, so as to fix the adhesive films and the welding strips on the surfaces of the battery sheets 103 together, after the heating and bonding, the lifting driving mechanism 52 moves the supporting rod 400 down to the transmission belt 400, and continues to move the transmission belt 400 to the next process, and move to the lower part of the transmission belt 400.
In some embodiments, the solder strip positioning module further includes a support 53 and a slide rail 54 fixed on the support 53, the slide rail 54 is connected with a plurality of support portions 300 in a sliding manner, the support portions 300 are arranged in parallel along the conveying direction of the conveying belt 400, the bottom of the U-shaped plate 35 of the support portion 300 is further connected with a linear driver 55 in a driving manner, and the moving end of the linear driver 55 is connected with the bottom of the U-shaped plate 35 for driving the distance between each support portion 300.
Each support part 300 corresponds to one battery plate 103, and a plurality of support parts 300 are respectively in driving connection with the linear driver 55 so as to adapt to the gaps of the battery plates 103 in the battery strings 100 with different specifications and adapt to the distance between the corresponding battery plates 103 in two strings which are connected together in series.
In some embodiments, the solder strip positioning assembly further includes support tables 36 disposed at two sides of the transmission belt 400, tops of the support tables 36 contact bottom surfaces of two ends of the pressing tool 200, the transmission belt 400 can drive the battery string 100 and the pressing tool 200 to move synchronously relative to the support tables 36, and the support tables 36 can support the weight of the pressing tool 200 on the battery piece 103, can share the force of the pressing tool 200 pressing on the battery piece 103, and prevent the battery piece 103 from being damaged by the pressing tool 200; on the other hand, when the heating mechanism heats the battery string 100, the pressing tool 200 is positioned on the support table 36, and the pressing pin gives the battery piece 103 a preset pressure, which is a force capable of pressing the first adhesive film layer 101 and the second adhesive film layer 105 to form the adhesive point 106 with the surface of the battery piece 103, so as to ensure the firmness of the adhesive point 106 and prevent the welding strip and the battery piece 103 from being connected or separated due to the deviation of the welding strip.
Based on the aforesaid weld and take the locating component, refer to fig. 6, this application has also proposed a battery cluster interconnection device, the device is including being used for fixing transmission belt 400 the frame 800 and, any one kind of above-mentioned weld and take the locating component, the supporting part 300 among this weld and take the locating component sets up in the horizontal middle section of frame 800, the horizontal front end of frame 800 is used for laying battery cluster 100, the horizontal back end of frame 800 is used for picking up the tamp 200 on the battery cluster 100 after the heating, transmission belt 400 drives battery cluster 100 and passes through the horizontal anterior segment, horizontal middle section and the horizontal back end of frame 800 in proper order.
It should be noted that, the battery string interconnection apparatus is applied to an apparatus for manufacturing a battery string 100, the apparatus is further provided with a manipulator for laying the battery string 100, the manipulator is disposed at a front horizontal section of a rack 800 of the battery string 100 interconnection apparatus, and a second adhesive film layer 105, a back solder tape 104, a battery sheet 103, a front solder tape 102 and a first adhesive film layer 101 are respectively laid on a transport belt 400 at the front horizontal section of the rack 800, after a part of the battery string 100 segments are laid, the transport belt 400 is transported to the rear and then continuously enters a heating area of the heating mechanism provided at a middle horizontal section of the rack 800, the heating mechanism includes a first heating mechanism 600 and/or a second heating mechanism 700, the first heating mechanism 600 heats using infrared rays, the second heating mechanism 700 heats using heating rods, in the heating area, after the solder tapes on the front and back sides of the battery sheet 103 are positioned by the welding positioning and positioning sets, after the solder tapes of the battery string 100 are positioned and bonded and interconnected, the transport belt 400 continuously transports the heated battery string 100 segments out of the heating mechanism 600, after the laying and the battery string 100 and the heating interconnection are completed on the transport belt 400, the transport belt enters the rack 800, and then the horizontal section of the transport belt is transported to the rear by the transport station 200, and then the transport belt 200 is picked up, and transported by the transport belt 200, and then transported by the transport belt.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (12)
1. The utility model provides a weld and take locating component, its characterized in that, weld and take locating component to be used for the area of welding of location battery cluster (100) positive and negative, battery cluster (100) is equipped with first glued membrane layer (101) from top to bottom, and positive weld takes (102), battery piece (103), back and welds area (104) and second glued membrane layer (105), first glued membrane layer (101) will openly weld takes (102) cladding in the upper surface of battery piece (103), second glued membrane layer (105) will back weld takes (104) cladding in the lower surface of battery piece (103), wherein,
the solder strip positioning assembly comprises: the pressing tool (200) is pressed on the first adhesive film layer (101), and the supporting part (300) is arranged below the battery string (100), the pressing tool (200) comprises a frame (21) and a plurality of elastic pieces (22) installed on the frame (21), the bottoms of the elastic pieces (22) are pressed on the first adhesive film layer (101), and the elastic lattices of the first adhesive film layer (101) on two sides of the front welding strip (102) are pressed on the upper surface of the battery piece (103); the top of the supporting portion (300) is abutted against the bottom surface of the second adhesive film layer (105), the dot matrixes of the second adhesive film layer (105) on two sides of the back surface welding strip (104) are pressed on the lower surface of the battery piece (103), and the elastic piece (22) and the supporting portion (300) enable the first adhesive film layer (101) and the second adhesive film layer (105) to position the front surface welding strip (102) and the back surface welding strip (104) on the upper surface and the lower surface of the battery piece (103) through a plurality of pressing points.
2. The solder strip positioning assembly of claim 1, further comprising a transfer belt (400), the transfer belt (400) being used to transfer the battery string and the hold-down fixture (200).
3. The solder strip positioning assembly according to claim 2, wherein the supporting portion (300) includes a plurality of bumps (41) disposed on the upper surface of the transmission belt (400), and the bumps (41) abut the second adhesive film layer (105) on two sides of the diameter of the back side solder strip (104) against the lower surface of the battery piece (103).
4. The solder strip positioning assembly according to claim 2, wherein the supporting portion (300) comprises a positioning module (31) disposed below the transmission belt (400), and a plurality of supporting rods (32) elastically connected to the positioning module (31), and the supporting rods (32) pass through holes (42) disposed on the transmission belt (400) and abut against the second adhesive film layer (105) on two sides of the diameter of the back solder strip (104).
5. The solder strip positioning assembly according to claim 3 or 4, wherein the conveying belt (400) is provided with a plurality of uniformly arranged adsorption holes, and the adsorption holes are used for adsorbing and fixing the second adhesive film layer (105) and/or the battery piece (103).
6. The solder strip positioning assembly according to claim 2, further comprising a heating mechanism, wherein the transmission belt (400) drives the battery string (100) and the pressing tool (200) to pass through the heating mechanism, the heating mechanism heats the battery string (100) to adhere the first adhesive film layer (101) and the second adhesive film layer (105) to the pressing points on the surface of the battery piece (103) to form a plurality of adhesive points (106), and the plurality of adhesive points (106) fix the front solder strip (102) and the back solder strip (104) on the surface of the battery piece (103) to form the battery string (100) in series.
7. The solder strip positioning assembly of claim 6, wherein the heating mechanism includes a heating rod disposed below the conveyor belt (400); and/or an infrared lamp tube arranged above the transmission belt (400).
8. The solder strip positioning assembly according to claim 4, wherein the elastic member (22) includes a pressing pin elastically connected to the frame (21) through a spring, and at least two contacts are disposed at one end of the pressing pin and one end of the supporting rod (32) abutting against the first adhesive film layer (101) and the second adhesive film layer (105), respectively, wherein the contact of the same pressing pin abuts against the first adhesive film layer (101) on the same side of the front solder strip (102), the contact of the same supporting rod (32) abuts against the second adhesive film layer (105) on both sides of the back solder strip (104), and the contact of the pressing pin close to the back solder strip (104) is disposed opposite to the contact of the supporting rod (32).
9. The solder strip positioning assembly according to claim 4, further comprising a driving part (500) connected to the support part (300), wherein the driving part (500) is used for driving the support part (300) to move up and down;
the supporting part (300) further comprises a supporting bottom plate (33) arranged on the bottom surface of the transmission belt (400), at least two guide rods (34) and a U-shaped plate (35), the guide rods (34) are connected with the supporting bottom plate (33) and two ends of the U-shaped plate (35) vertically, and two ends of the positioning module (31) penetrate through the guide rods (34) and are connected between the supporting bottom plate (33) and the U-shaped plate (35) in a sliding mode;
drive division (500) including wear to locate orientation module (31) with roof (51) between U template (35), and with lift actuating mechanism (52) that roof (51) bottom is connected, the top of roof (51) with orientation module (31) bottom butt, lift actuating mechanism (52) drive roof (51) reciprocate, thereby drive orientation module (31) and connection are in on orientation module (31) branch (32) go up and down, make branch (32) pass through-hole (42) on transmission belt (400) or retract to the below of transmission belt (400).
10. The solder strip positioning assembly according to claim 9, wherein the driving portion (500) further comprises a support (53) and a slide rail (54) fixed on the support (53), the slide rail (54) is slidably connected with a plurality of the support portions (300), the support portions (300) are arranged along the conveying direction of the conveying belt (400), a linear actuator (55) is also drivingly connected to the bottom of the U-shaped plate (35), and the linear actuator (55) is used for adjusting the distance between each support portion (300).
11. The solder strip positioning assembly according to claim 2, further comprising support tables (36) disposed at two sides of the transmission belt (400), wherein the tops of the support tables (36) are in contact with the bottom surfaces of two ends of the pressing tool (200), and the transmission belt (400) can drive the battery string (100) and the pressing tool (200) to move synchronously relative to the support tables (36).
12. A battery string interconnection device, characterized in that, the battery string interconnection device includes frame (800) that is used for fixing transmission belt (400), and weld and take locating component according to any one of claims 2-11, the supporting part (300) setting in the weld and take locating component is in frame (800) horizontal middle section, the horizontal anterior segment of frame (800) is used for laying battery string (100), the horizontal back end of frame (800) is used for picking up tamp (200) on the battery string (100) after the heating, transmission belt (400) drive the battery string passes through in proper order frame (800)'s horizontal anterior segment, horizontal middle section and horizontal back end.
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| CN202310058287.2A CN115832114B (en) | 2023-01-16 | 2023-01-16 | Welding strip positioning assembly and battery string interconnection device |
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| CN202310058287.2A CN115832114B (en) | 2023-01-16 | 2023-01-16 | Welding strip positioning assembly and battery string interconnection device |
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| CN109262097A (en) * | 2018-09-28 | 2019-01-25 | 苏州腾晖光伏技术有限公司 | More main grid crystal silicon solar batteries welding methods and apparatus for welding and positioning |
| CN110293353A (en) * | 2018-03-22 | 2019-10-01 | 无锡市正罡自动化设备有限公司 | A kind of welding method of string welding machine and solar battery string |
| CN215644425U (en) * | 2021-06-28 | 2022-01-25 | 嘉兴隆基乐叶光伏科技有限公司 | Handling device and series welding machine |
| CN114744080A (en) * | 2022-06-10 | 2022-07-12 | 苏州小牛自动化设备有限公司 | Battery string production method and battery string laying equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110293353A (en) * | 2018-03-22 | 2019-10-01 | 无锡市正罡自动化设备有限公司 | A kind of welding method of string welding machine and solar battery string |
| CN109262097A (en) * | 2018-09-28 | 2019-01-25 | 苏州腾晖光伏技术有限公司 | More main grid crystal silicon solar batteries welding methods and apparatus for welding and positioning |
| CN215644425U (en) * | 2021-06-28 | 2022-01-25 | 嘉兴隆基乐叶光伏科技有限公司 | Handling device and series welding machine |
| CN114744080A (en) * | 2022-06-10 | 2022-07-12 | 苏州小牛自动化设备有限公司 | Battery string production method and battery string laying equipment |
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