CN208772707U - Ultrasonic welding institution and ultrasonic brazing unit - Google Patents

Ultrasonic welding institution and ultrasonic brazing unit Download PDF

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Publication number
CN208772707U
CN208772707U CN201821252756.5U CN201821252756U CN208772707U CN 208772707 U CN208772707 U CN 208772707U CN 201821252756 U CN201821252756 U CN 201821252756U CN 208772707 U CN208772707 U CN 208772707U
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China
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ultrasonic
welding
busbar
weld part
interconnecting piece
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CN201821252756.5U
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魏晶慧
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Shanghai zuqiang Energy Co.,Ltd.
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Beijing Apollo Ding Rong Solar Technology Co Ltd
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Abstract

The utility model provides a kind of ultrasonic welding institution and ultrasonic brazing unit, is related to welder technical field, and ultrasonic welding institution provided by the utility model includes the supersonic generator for generating ultrasonic wave;Ultrasonic wave is transmitted, and changes the ultrasonic variable amplitude bar of vibration amplitude;Busbar, is welded in the weld assembly of thin-film solar cells by the ultrasonic wave for receiving ultrasonic variable amplitude bar transmitting;The heating component of auxiliary heating weld assembly.Ultrasonic welding institution provided by the utility model alleviates the connection that ultrasonic brazing unit in the related technology realizes busbar and film back electrode using the method for Pressure Welding, there is technical issues that.

Description

Ultrasonic welding institution and ultrasonic brazing unit
Technical field
The utility model relates to welder technical fields, more particularly, to a kind of ultrasonic welding institution and supersonic welding Connection device.
Background technique
With being on the rise for world energy sources crisis and problem of environmental pollution, people are accelerated to solar energy power generating skill The research of art, then solar battery manufacturing technology has reached swift and violent development, wherein thin-film solar cells is as solar energy The central fascicle of field of batteries, quickly grew in recent years.In thin-film solar cells production process, photoelectric converting function is completed After the preparation and segmentation of layer, needs to be arranged on the back electrode of thin-film solar cells drainage collector-shoe gear and draw electric current. Collector-shoe gear will be drained to be set to the mode of thin-film solar cells includes that will drain collector-shoe gear using ultrasonic welding machine and weld It is connected to thin-film solar cells.
Ultrasonic brazing unit realizes that busbar and thin-film solar cells are carried on the back using the method for Pressure Welding in the related technology Electrode connection, has that rosin joint and bonding strength be not high.
Utility model content
The utility model first aspect provides a kind of ultrasonic welding institution, is hinged with alleviating supersonic welding in the related technology It sets and realizes that busbar is connect with back electrode of thin film solar cell using the method for Pressure Welding, there is technical issues that.
Ultrasonic welding institution provided by the utility model includes:
Generate the supersonic generator of ultrasonic wave;
The ultrasonic wave is transmitted, and changes the ultrasonic variable amplitude bar of vibration amplitude;
Busbar, is welded in the welding group of thin-film solar cells by the ultrasonic wave for receiving the ultrasonic variable amplitude bar transmitting Part;
Auxiliary heats the heating component of the weld assembly.
Further, the weld assembly includes welding roll, and the welding roll and the ultrasonic variable amplitude bar rotate Connection, the heating component are set to the welding roll.
Further, the end face of the welding roll is equipped with holding tank, circumferential direction of the holding tank along the welding roll Extend, the heating component is set in the holding tank.
Further, the heating component includes resistance wire, and the resistance wire is set to the holding tank.
Further, the welding roll includes interconnecting piece and weld part, the weld part in a ring, the interconnecting piece with The ultrasonic variable amplitude bar rotation connection, the weld part are sheathed on the interconnecting piece;
The heating component be set between the interconnecting piece and the weld part, and respectively with the interconnecting piece and the weldering Socket part connection.
Further, the heating component includes more resistance wires, circumferential direction of the more resistance wires along the weld part It is spaced apart, the both ends of the resistance wire are connect with the interconnecting piece and the weld part respectively.
Further, the ultrasonic welding institution further includes supporting table, and the supporting table has supporting surface, the ultrasound The axis of wave amplitude transformer is parallel with the supporting surface.
On the other hand the utility model provides a kind of ultrasonic brazing unit, be hinged with alleviating supersonic welding in the related technology It sets and realizes that busbar is connect with back electrode of thin film solar cell using the method for Pressure Welding, there is technical issues that.
Ultrasonic brazing unit provided by the utility model includes above-mentioned ultrasonic welding institution.
Further, the ultrasonic brazing unit further includes walking mechanism, the ultrasonic wave of the ultrasonic welding institution Generator is installed on the walking mechanism.
Further, the walking mechanism includes driving assembly and support component, the driving component and the support group Part transmission connection.
Busbar is welded in thin-film solar cells, busbar by ultrasonic welding institution provided by the utility model It is placed in the back electrode of thin-film solar cells, supersonic generator generates high-frequency vibration, and ultrasonic variable amplitude bar transmits vibration To weld assembly, weld assembly transmits these vibrations to busbar and thin-film solar cells, and weld assembly is pressed on busbar, converges Stream item and thin-film solar cells contact surface phase mutual friction and form the fusion between molecular layer;Meanwhile heating component butt welding Connected components are heated, and weld assembly transfers heat to busbar and thin-film solar cells, are conducive to busbar and film The fusion of solar battery.
Compared with the relevant technologies, ultrasonic welding institution provided by the utility model will shake and heat acts on remittance simultaneously Flow item and solar battery, be conducive to the fusion of busbar and thin-film solar cells, prevent rosin joint, improve busbar with The bonding strength of thin-film solar cells;In addition, ultrasonic welding institution provided by the utility model once complete busbar with The welding of thin-film solar cells, while reducing cost and process complexity.
Detailed description of the invention
Technical solution in order to illustrate more clearly of specific embodiment of the present invention or in the related technology, below will be right Attached drawing needed in specific embodiment or description of Related Art is briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of ultrasonic welding institution provided by the embodiment of the utility model;
Fig. 2 is the side view of the welding roll of ultrasonic welding structure provided by the embodiment of the utility model;
Fig. 3 is the structural schematic diagram of the welding roll of ultrasonic welding structure provided by the embodiment of the utility model.
Icon: 100- ultrasonic variable amplitude bar;200- welding roll;201- solder-bump;210- interconnecting piece;220- Weld part;300- resistance wire;400- thin-film solar cells;500- busbar.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.
Ultrasonic welding institution provided by the embodiment of the utility model includes:
Generate the supersonic generator of ultrasonic wave;
Ultrasonic wave is transmitted, and changes the ultrasonic variable amplitude bar 100 of vibration amplitude;
The ultrasonic wave that ultrasonic variable amplitude bar 100 transmits is received, busbar 500 is welded in thin-film solar cells 400 Weld assembly;
The heating component of auxiliary heating weld assembly.
Ultrasonic variable amplitude bar 100 is connect with supersonic generator and weld assembly respectively, and ultrasonic variable amplitude bar 100 is used for will The particle displacement of mechanical oscillation or speed amplification, and ultrasonic energy is concentrated on lesser area.Supersonic generator generates Vibration weld assembly is transferred to by ultrasonic variable amplitude bar 100, weld assembly makes busbar 500 and thin-film solar cells 400 phase mutual friction, to make the fusion for forming molecular layer between contact surface.
Further, weld assembly includes welding roll 200, and welding roll 200 and the rotation of ultrasonic variable amplitude bar 100 connect It connects, heating component is set to welding roll 200.
As shown in Figure 1, welding roll 200 is located at one end of ultrasonic variable amplitude bar 100, welding roll 200 by bearing with Ultrasonic variable amplitude bar 100 is rotatablely connected, and the axis of ultrasonic variable amplitude bar 100 is overlapped with the axis of welding roll 200;Welding roll 200 outer peripheral surface is smooth arcwall face.
Heating component is set to the end face of welding roll 200, and heating component is heated by electrically heated mode, welding roll 200 are made from a material that be thermally conductive, and for the heat transfer that heating component generates to the periphery of welding roll 200, welding roll 200 will be warm Amount is transferred to busbar 500 and thin-film solar cells 400.
Welding roll 200 is pressed on busbar 500, while will vibration and heat transfer to busbar 500 and the film sun Energy battery 400, welding roll 200 are rolled along the length direction of busbar 500, and busbar 500 is welded in thin film solar electricity Pond 400, welding roll 200 is continuously contacted with busbar 500, compared with spot welding in the related technology, avoids 500 part of busbar Position does not contact with weld assembly and influences bonding strength;Furthermore welding roll 200 is without lifting and falling repeatedly, operating process Simply.
Alternatively, more as shown in Fig. 2, the periphery of welding roll 200 is equipped with multiple solder-bumps 201 A solder-bump 201 is divided to the circumferentially-spaced distribution for being the solder-bump 201 in two groups, every group along welding roll 200, and in two groups Solder-bump 201 be staggered.
Solder-bump 201 is contacted with busbar 500 in welding process, the portion for keeping busbar 500 opposite with solder-bump 201 Divide and is connect with thin-film solar cells 400.
Further, the end face of welding roll 200 is equipped with holding tank, and holding tank adds along the circumferentially extending of welding roll 200 Hot component is set in holding tank.
As shown in Figure 1, holding tank is in a ring, the axis of holding tank is overlapped with the axis of welding roll 200, along welding roll The width of 200 circumferential direction, holding tank is equal, to make the side wall of holding tank being equidistant to the periphery of welding roll 200.
Heating component is located in holding tank, heating component along holding tank circumferentially extending, and with holding tank close to welding roll Take turns the side wall contact of 200 peripheries.
The heat that heating component generates is transmitted along the radial direction of welding roll 200, along the circumferential direction of welding roll 200, holding tank The periphery of side wall to welding roll 200 be equidistant, be heated evenly the periphery of welding roll 200, welding roll 200 periphery is contacted with the different piece of busbar 500, and each position of busbar 500 is heated evenly, and is avoided because of busbar 500 are heated irregular and influence welding quality.
Further, heating component includes resistance wire 300, and resistance wire 300 is set to holding tank.
Resistance wire 300 is around in holding tank along the circumferential disc of welding roll 200, and is contacted with the side wall of holding tank;Heating Component further includes energization element, and energization element is connect with resistance wire 300, for electric energy to be transferred to resistance wire 300, resistance wire 300 heats generated heat welding roll 200, to make welding roll 200 to busbar 500 and thin film solar electricity It heats in pond 400.
As another embodiment, welding roll 200 includes interconnecting piece 210 and weld part 220, and weld part 220 is in ring Shape, interconnecting piece 210 and ultrasonic variable amplitude bar 100 are rotatablely connected, and weld part 220 is sheathed on interconnecting piece 210;
Heating component is set between interconnecting piece 210 and weld part 220, and is connected respectively with interconnecting piece 210 and weld part 220 It connects.
Interconnecting piece 210 is cylindrical, and interconnecting piece 210 is rotatablely connected by bearing and ultrasonic variable amplitude bar 100, interconnecting piece 210 axis is overlapped with the axis of ultrasonic variable amplitude bar 100;Weld part 220 is annular in shape, and is sheathed on the outer of interconnecting piece 210 The axis in portion, weld part 220 is overlapped with the axis of interconnecting piece 210, along the circumferential direction of weld part 220, the thickness phase of weld part 220 Deng.
Heating component is connect with the internal perisporium of the periphery of interconnecting piece 210 and weld part 220 respectively, and heating component is for branch Weld part 220 is held, and weld part 220 is heated.
The heat transfer that heating component generates is transferred to welding along the radial direction of weld part 220 to the internal perisporium of weld part 220 The periphery wall in portion 220, along the circumferential direction of weld part 220, the internal perisporium of weld part 220 between the periphery wall of weld part 220 away from From equal, it is heated evenly the periphery of weld part 220, the different piece of the periphery wall and busbar 500 of weld part 220 connects Touching, each position of busbar 500 is heated evenly, avoid because busbar 500 be heated it is irregular due to influence welding quality.
Further, heating component includes more resistance wires 300, and more resistance wires 300 are along the circumferentially-spaced of weld part 220 Distribution, the both ends of resistance wire 300 are connect with interconnecting piece 210 and weld part 220 respectively.
As shown in figure 3, more resistance wires 300 are respectively positioned between interconnecting piece 210 and weld part 220, multiple 300 edges of resistance wire The circumferential direction of interconnecting piece 210 is uniformly distributed, and radial line side of the length direction of every resistance with interconnecting piece 210 and weld part 220 To identical;More resistance wires 300 are used to support weld part 220, and by the heat transfer of generation to weld part 220.
Heating component further includes energization element, and energization element is connect with more resistance wires 300 respectively, for transmitting electric energy To resistance wire 300, the heat transfer that resistance wire 300 generates is then passed to weld part 220 to the internal perisporium of weld part 220 Periphery wall.
Weld part 220 is supported in the periphery of interconnecting piece 210 by resistance wire 300, while playing support and heating weld part 220 Effect mitigate the quality of welding roll 200 without being separately provided supports support weld part 220.
Further, ultrasonic welding institution further includes supporting table, and supporting table has supporting surface, ultrasonic variable amplitude bar 100 Axis it is parallel with supporting surface.
Supporting surface is horizontally disposed;In welding process, thin-film solar cells 400 is placed in supporting surface, and busbar 500 is placed in thin On film solar cell 400, supporting table support film solar battery 400 and busbar 500 are horizontal positioned;As shown in Figure 1, weldering It connects idler wheel 200 to be placed on busbar 500, the length direction of ultrasonic variable amplitude bar 100 is vertical with the length direction of busbar 500. Welding roll 200 is adjusted to the pressure of busbar 500, drives welding roll 200 along busbar by ultrasonic variable amplitude bar 100 500 length direction rolls, and busbar 500 is welded in thin-film solar cells 400.
On the other hand the utility model embodiment provides a kind of ultrasonic brazing unit, to alleviate ultrasonic wave in the related technology Welder realizes the connection of busbar 500 and film back electrode using the method for Pressure Welding, there is technical issues that.
Ultrasonic brazing unit provided by the embodiment of the utility model includes above-mentioned ultrasonic welding institution.
Further, ultrasonic brazing unit further includes walking mechanism, the supersonic generator peace of ultrasonic welding institution Loaded on walking mechanism.
Walking mechanism is located at the side of supporting table and is spaced apart, and walking mechanism linearly moves;Ultrasonic wave occurs Device is installed in walking mechanism, and ultrasonic variable amplitude bar 100 is located at supersonic generator close to the side of supporting table, and and ultrasonic wave Generator connection, welding roll 200 are installed on one end of the separate supersonic generator of ultrasonic variable amplitude bar 100.
When welding, the length direction of busbar 500 and the moving direction of walking mechanism are parallel, and walking mechanism drives welding rolling Wheel 200 is rolled along the length direction of busbar 500, is automatically performed welding.
Further, walking mechanism includes driving assembly and support component, and driving assembly and support component are sequentially connected.
Driving assembly includes that motor, transmission belt and two belt wheels, support component include support frame and guide rail;Two belt wheel branch It supports in the both ends of transmission belt, transmission belt and support frame are sequentially connected, and motor is connect with wherein one end belt wheel transmission;The length of guide rail Direction is parallel with the length direction of transmission belt, and support frame is equipped with the guide pad being slidably matched with guide rail;Supersonic generator installation In support frame.
In welding process, motor driven belts wheel rotation, belt wheel drives transmission belt rotation, and transmission belt drives support frame and ultrasound Wave producer is moved along the extending direction of guide rail, so that welding roll 200 be made to roll from busbar 500, completes automatic welding.
Busbar 500 is welded in thin film solar electricity by ultrasonic brazing unit provided by the embodiment of the utility model Pond 400, busbar 500 are placed in the back electrode of thin-film solar cells 400, and supersonic generator generates high-frequency vibration, ultrasound Wave amplitude transformer 100 transmits these vibrations to weld assembly, and weld assembly transmits these vibrations to busbar 500 and thin-film solar cells 400, weld assembly is pressed on busbar 500, busbar 500 and 400 contact surface phase mutual friction of thin-film solar cells and shape Fusion between Component Sub-Layer;Meanwhile heating component heats weld assembly, weld assembly transfers heat to busbar 500 and thin-film solar cells 400, be conducive to the fusion of busbar 500 and thin-film solar cells 400.
Compared with the relevant technologies, ultrasonic welding institution provided by the embodiment of the utility model will shake and heat is made simultaneously For busbar 500 and thin-film solar cells 400, be conducive to the fusion of busbar 500 and thin-film solar cells 400, prevent Rosin joint is only generated, the bonding strength of busbar 500 and thin-film solar cells 400 is improved;In addition, the utility model embodiment mentions The ultrasonic welding institution of confession once completes the welding of busbar 500 Yu thin-film solar cells 400, without to secondary weldering in turn It connects, reduces cost and process complexity;In addition, without come generation the case where reducing rosin joint, being avoided by way of pressurization because of pressure Power is excessive to damage busbar 500.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System;Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced;And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of ultrasonic welding institution characterized by comprising
Generate the supersonic generator of ultrasonic wave;
The ultrasonic wave is transmitted, and changes the ultrasonic variable amplitude bar of vibration amplitude;
Busbar, is welded in the weld assembly of thin-film solar cells by the ultrasonic wave for receiving the ultrasonic variable amplitude bar transmitting;
Auxiliary heats the heating component of the weld assembly.
2. ultrasonic welding institution according to claim 1, which is characterized in that the weld assembly includes welding roll, The welding roll and the ultrasonic variable amplitude bar are rotatablely connected, and the heating component is set to the welding roll.
3. ultrasonic welding institution according to claim 2, which is characterized in that the end face of the welding roll, which is equipped with, to be accommodated Slot, the holding tank is along the circumferentially extending of the welding roll, and the heating component is in the holding tank.
4. ultrasonic welding institution according to claim 3, which is characterized in that the heating component includes resistance wire, institute Resistance wire is stated set on the holding tank.
5. ultrasonic welding institution according to claim 2, which is characterized in that the welding roll includes interconnecting piece and weldering Socket part, in a ring, the interconnecting piece and the ultrasonic variable amplitude bar are rotatablely connected the weld part, and the weld part is sheathed on institute State interconnecting piece;
The heating component be set between the interconnecting piece and the weld part, and respectively with the interconnecting piece and the weld part Connection.
6. ultrasonic welding institution according to claim 5, which is characterized in that the heating component includes more resistance Silk, the more resistance wires along the weld part circumferentially-spaced distribution, the both ends of the resistance wire respectively with the interconnecting piece It is connected with the weld part.
7. ultrasonic welding institution according to claim 1, which is characterized in that the ultrasonic welding institution further includes branch Platform is supportted, the supporting table has supporting surface, and the axis of the ultrasonic variable amplitude bar is parallel with the supporting surface.
8. a kind of ultrasonic brazing unit, which is characterized in that including the described in any item ultrasonic welding machines of claim 1-7 Structure.
9. ultrasonic brazing unit according to claim 8, which is characterized in that the ultrasonic brazing unit further includes row Mechanism is walked, the supersonic generator of the ultrasonic welding institution is installed on the walking mechanism.
10. ultrasonic brazing unit according to claim 9, which is characterized in that the walking mechanism includes driving assembly And support component, the driving component and the support component are sequentially connected.
CN201821252756.5U 2018-08-02 2018-08-02 Ultrasonic welding institution and ultrasonic brazing unit Active CN208772707U (en)

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CN201821252756.5U CN208772707U (en) 2018-08-02 2018-08-02 Ultrasonic welding institution and ultrasonic brazing unit

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111774713A (en) * 2019-04-04 2020-10-16 北京铂阳顶荣光伏科技有限公司 Bus bar welding device, system and method
CN114453798A (en) * 2022-02-09 2022-05-10 江苏瑞晶太阳能科技有限公司 Series welding and typesetting integrated production equipment for photovoltaic module

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111774713A (en) * 2019-04-04 2020-10-16 北京铂阳顶荣光伏科技有限公司 Bus bar welding device, system and method
CN114453798A (en) * 2022-02-09 2022-05-10 江苏瑞晶太阳能科技有限公司 Series welding and typesetting integrated production equipment for photovoltaic module

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Address after: 100176 room 3001, building 6, yard 7, Rongchang East Street, Beijing

Patentee after: Beijing Dingrong Photovoltaic Technology Co.,Ltd.

Address before: 100176 room 3001, building 6, yard 7, Rongchang East Street, Beijing

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Patentee after: Shenzhen Zhengyue development and Construction Co.,Ltd.

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Patentee before: Shenzhen Zhengyue development and Construction Co.,Ltd.

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