CN211162524U - Whole string welding lamp box structure of string welding machine - Google Patents

Whole string welding lamp box structure of string welding machine Download PDF

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Publication number
CN211162524U
CN211162524U CN201921858090.2U CN201921858090U CN211162524U CN 211162524 U CN211162524 U CN 211162524U CN 201921858090 U CN201921858090 U CN 201921858090U CN 211162524 U CN211162524 U CN 211162524U
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CN
China
Prior art keywords
lamp
infrared
probe
lamp box
frame
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Expired - Fee Related
Application number
CN201921858090.2U
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Chinese (zh)
Inventor
张天泽
包驷璋
张珣
刘世伟
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Dalian Haolin Intelligent Equipment Co ltd
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Dalian Haolin Intelligent Equipment Co ltd
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Priority to CN201921858090.2U priority Critical patent/CN211162524U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model relates to a whole cluster welding lamp house structure of stringer. Comprises a lamp box frame; a plurality of infrared lamp tubes are arranged in the lamp box frame at equal intervals and are parallel to each other; each infrared lamp tube is connected with the lamp box frame through a lamp tube mounting seat, the infrared lamp tubes are in threaded connection with the lamp tube mounting seats, and the lamp tube mounting seats are detachably connected with the lamp tube mounting cross beams; an axial flow fan bottom plate is also arranged in the lamp box frame and is fixed in the lamp box frame; a plurality of axial flow fans for ventilation are also arranged in the lamp box frame and on the axial flow fan bottom plate; still be provided with the infrared probe who is used for the temperature measurement in the lamp house frame, this infrared probe passes through the infrared probe mounting panel and links to each other with the lamp house frame, the probe mounting panel passes through the detachable connection of infrared probe crossbeam and lamp house frame, the casing of infrared probe penetrates by the through-hole of probe mounting panel, and the casing bottom is placed on the panel of lamp house.

Description

Whole string welding lamp box structure of string welding machine
Technical Field
The utility model belongs to the technical field of photovoltaic industry, in particular to a whole string welding lamp box structure of a string welding machine; in particular to a multi-cell string welding lamp box structure.
Background
At present, the demand of photovoltaic cell assemblies is increasing, and in the production process of the photovoltaic cell assemblies, the welding efficiency and the welding quality are directly influenced by the length of welding time. The preheating temperature of the battery piece is low, the welding time is long, the efficiency is low, the preheating temperature is high, the battery piece is easy to bend, the preheating temperature and the preheating temperature are contradictory, the problem is solved, the integral welding of the multiple battery pieces is needed, the welding time can be prolonged, the welding quality is guaranteed, meanwhile, the efficiency can be improved, and the beat is improved. Thereby improving the overall automation level of battery production.
When the traditional series welding machine is used for welding, firstly, single-piece laying, single-piece welding and welding are adopted to form a series. One layer of solder strip and one layer of battery plate are laid crosswise, as shown in fig. 4. And a schematic view of the 12 sheets welded into a string is shown in fig. 5-1 to 5-4. And secondly, conveying is carried out through a conveying belt or a conveying rail during laying, and different heating temperature areas are arranged on the conveying rail, so that preheating and cooling of the battery piece are realized. Thirdly, the welding time of the single sheet generally needs 2.3S, and the total time of pressing pin pressing and belt transmission time of 0.5S is 2.8S. Thus the welding time of the whole string is 33.6S (here, a string of 12 pieces is taken as an example) and the welding strip laying time is 2S. Thus, the solder strip has a laying wait, and the waiting time is 0.8S. The time for welding a string is 9.6S, thus affecting the single machine productivity. Fourthly, the temperature control system of the conveying track is complex, the welding temperature is high, and the defects of battery piece warping, over-welding, under-welding and the like are easily caused.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a lamp box structure of a series welding machine, which is used for continuous laying, the whole series welding after a plurality of sheets are laid at one time and laid into a series is carried out, the welding time is 3S, the welding time is shortened, and the working efficiency is improved.
In order to achieve the purpose, the invention adopts the following technical scheme that the lamp box comprises a lamp box frame; a plurality of infrared lamp tubes are arranged in the lamp box frame at equal intervals and are parallel to each other; each infrared lamp tube is connected with the lamp box frame through a lamp tube mounting seat, the infrared lamp tubes are in threaded connection with the lamp tube mounting seats, the lamp tube mounting seats are detachably connected with lamp tube mounting cross beams, and the lamp tube mounting cross beams are detachably connected with the lamp box frame; an axial flow fan bottom plate is also arranged in the lamp box frame and is fixed in the lamp box frame; a plurality of axial flow fans for ventilation are also arranged in the lamp box frame and on the axial flow fan bottom plate; still be provided with the infrared probe who is used for the temperature measurement in the lamp house frame, this infrared probe passes through the infrared probe mounting panel and links to each other with the lamp house frame, the probe mounting panel passes through the detachable connection of infrared probe crossbeam and lamp house frame, the casing of infrared probe penetrates by the through-hole of probe mounting panel, and place on the panel of lamp house bottom the casing.
Furthermore, the lamp tube mounting seat is detachably connected with the lamp tube mounting cross beam through screws.
Furthermore, the number of the axial flow fans is the same as that of the infrared lamp tubes.
Furthermore, the axial flow fan is vertically opposite to the infrared lamp tube.
Furthermore, the probe mounting plate is detachably connected with the lamp box frame through screws.
Further, the size of the through hole of the probe mounting plate meets the requirement that the through hole can penetrate through the shell of the infrared probe and can limit the infrared probe.
Furthermore, a lamp box front panel and a lamp box rear back panel are arranged on the lamp box frame, and the infrared probe beam is connected with the lamp box rear panel.
Furthermore, a probe of the infrared probe penetrates out of a through hole of a bottom plate of the axial flow fan and extends out of the bottom plate.
Furthermore, the infrared probe is connected with an external controller, measures temperature in real time and feeds back the temperature for subsequent PID adjustment.
Furthermore, a front panel of the lamp box is provided with a front air outlet for soldering flux smoke, and two sides of the lamp box are provided with air outlets for soldering flux smoke.
Compared with the prior art, the invention has the beneficial effects.
The utility model discloses the advantage of comparing traditional welding lamp house lies in that the integrated level is high, and integrative welding is efficient, and the long welding quality of weld time is good, and the battery piece preheats the temperature and hangs down, is difficult to warp crooked, can A side and B side use a set of lamp house, and the thermal efficiency obtains improving like this, has saved the energy.
Drawings
The invention is further described with reference to the following figures and detailed description. The scope of the invention is not limited to the following expressions.
FIG. 1 is a schematic structural view of a whole series of welding light boxes (10-12 pieces) for multiple battery strings according to the present invention.
FIG. 2 is a schematic view of the structure of the present invention taken along the direction B-B.
FIG. 3 is a schematic view of the structure of the present invention taken along the direction A-A.
Fig. 4 is a conventional monolithic laying schematic. (the number of solder ribbons is 5-12, exemplified by 12 solder ribbons above, spaced 12.4mm apart).
FIGS. 5-1 to 5-3 are schematic diagrams of welding strings; fig. 5-4 is an enlarged partial schematic view of fig. 5-1.
Fig. 6 is a schematic diagram of a conventional series welder die transfer track heating zone.
Fig. 7 is a schematic view of an 8-segment heated transfer track.
Fig. 8 is a component schematic.
Fig. 9-1 to 9-2 are schematic views of the air discharge around the light box.
Fig. 10-1 to 10-2 are schematic views of the bonding tape presser pins under the lamp box.
In the figure, 1 is a lamp box frame, 2 is an infrared probe mounting plate, 3 is an axial flow fan bottom plate, 4 is an axial flow fan, 6 is a lamp tube mounting seat, 7 is a lamp box back plate, 8 is an infrared probe, 10 is a lamp box front panel, 11 is air outlets on two sides of soldering flux smoke, 12 is an air outlet on the front side of the soldering flux smoke, 13 is an infrared light tube, 14 is a lamp tube mounting cross beam, and 15 is an infrared probe cross beam.
Detailed Description
The noun explains: the multi-grid series welding machine is used for welding well-detected multi-grid battery plates into strings through 5-12 welding strips and classifying and collecting the welded battery plate strings.
Introduction of battery pack: the battery pack is generally composed of 6 strings of battery cells, each string of battery cells is generally composed of 10 to 12 battery cells connected in series by welding with solder strips. Each assembly has 60 or 72 cells. As shown in fig. 8, which is a schematic diagram of the assembly.
As shown in fig. 1-4, 5-1 to 5-4, 6-8, 9-1 to 9-2, 10-1 to 10-2, the present invention includes a light box frame; a plurality of infrared lamp tubes are arranged in the lamp box frame at equal intervals and are parallel to each other; each infrared lamp tube is connected with the lamp box frame through a lamp tube mounting seat, the infrared lamp tubes are in threaded connection with the lamp tube mounting seats, the lamp tube mounting seats are detachably connected with lamp tube mounting cross beams, and the lamp tube mounting cross beams are detachably connected with the lamp box frame; an axial flow fan bottom plate is also arranged in the lamp box frame and is fixed in the lamp box frame; a plurality of axial flow fans for ventilation are also arranged in the lamp box frame and on the axial flow fan bottom plate;
still be provided with the infrared probe who is used for the temperature measurement in the lamp house frame, this infrared probe passes through the infrared probe mounting panel and links to each other with the lamp house frame, the probe mounting panel passes through the detachable connection of infrared probe crossbeam and lamp house frame, the casing of infrared probe penetrates by the through-hole of probe mounting panel, and place on the panel of lamp house bottom the casing.
Furthermore, the lamp tube mounting seat is detachably connected with the lamp tube mounting cross beam through screws.
Furthermore, the number of the axial flow fans is the same as that of the infrared lamp tubes.
Furthermore, the axial flow fan is vertically opposite to the infrared lamp tube.
Furthermore, the probe mounting plate is detachably connected with the lamp box frame through screws.
Further, the size of the through hole of the probe mounting plate meets the requirement that the through hole can penetrate through the shell of the infrared probe and can limit the infrared probe.
Furthermore, a lamp box front panel and a lamp box rear back panel are arranged on the lamp box frame, and the infrared probe beam is connected with the lamp box rear panel.
Furthermore, a probe of the infrared probe penetrates out of a through hole of a bottom plate of the axial flow fan and extends out of the bottom plate.
Furthermore, the infrared probe is connected with an external controller, measures temperature in real time and feeds back the temperature for subsequent PID adjustment.
Furthermore, a front panel of the lamp box is provided with a front air outlet for soldering flux smoke, and two sides of the lamp box are provided with air outlets for soldering flux smoke.
When the battery plate is used, firstly, the welding strips are overlapped and paved on the front surface and the back surface of the battery plate in a crossed mode, and then the battery plate is pressed well. Then, the battery pieces with the welding strips laid are conveyed to the lower side of the series light box through the battery piece conveying rail. The lamp box is positioned at the welding position and is welded by irradiation of the infrared lamp tube; the infrared lamp tube carries out PID adjustment through the feedback temperature of the infrared probe, and irradiation welding is carried out within a certain welding time. Through a large number of experimental tests, the battery piece is heated to 80 degrees, the welding time of the lamp box is about 3s, and the welding effect is ideal. And no over-welding or under-welding condition exists. The battery piece is not easy to deform under the low temperature condition, and the slow cooling stage is not needed. Therefore, the process for integrally welding the battery plates in a string at one time has practicability and very high welding efficiency.
Meanwhile, a conventional electric transmission belt is adopted as a battery piece transmission rail matched with the lamp box structure of the series welding machine; but the motorized conveyor belt is different from a conventional conveyor belt.
A conventional tandem cell transfer track heating zone is shown in fig. 6, and the preheating zone temperature is generally set as: the temperature of the first temperature zone is 80 degrees; the temperature of the second temperature zone is 100 degrees, and the temperature of the third temperature zone is 120 degrees; the temperature of the fourth temperature zone is 130 degrees; the temperature of the fifth temperature zone is 140 degrees; the temperature of the sixth temperature zone is 120 degrees; the temperature of the seventh temperature zone is 100 degrees; the eighth temperature zone is 80 deg.
The cell sheet conveying track used in cooperation with the series welding machine light box structure is shown in fig. 7, and the series heating track has 14 heating zones. Zones 1-3 are preheating zones and zones 4-14 are welding zones. The preheating zone temperature is generally set: the first temperature zone is at a temperature of 60 degrees; the second temperature zone is at 60 degrees, and the third temperature zone is at 60 degrees; the temperature of the welding area is 80-100 degrees and is adjusted according to the thickness of the battery piece and the size of the welding strip.
The multiple welding lamp boxes are matched with the constant low-temperature heating of the track, so that the welding efficiency and quality of the battery pieces are guaranteed.
The utility model discloses stringer lamp house structure is applicable to the battery piece of laying and can be whole piece, 1/2 pieces or 1/6 pieces, and is applicable to many and welds the welding of taking, for example: 5 weld bands, 6 weld bands or 12 weld bands.
The application adopts: the new technology of 10 to 12 pieces of whole series welding lamp box structure used by multiple groups of grid battery plates. 1. Continuously laying 10-12 sheets at a time to form a string. 2. And after the paving, the whole series of welding is carried out, and the welding time is 2-3S, so that the time for welding is shortened.
1. The high-efficiency welding of the whole series of welding lamp boxes of the battery string is combined with the preheating process of the low-temperature constant-temperature transmission track.
2. The welding light box requires welding of 10 to 12 pieces of unitary construction.
3. The transfer heating track requires heating of a temperature zone of 70-100 deg..
4. The thickness of the applicable battery piece is 0.12-0.2MM, and the grid number of the battery is 5-12.
Through a large number of experimental tests, the battery piece is heated to 80-100 degrees, the welding time of the lamp box is about 2-3 seconds, and the welding effect is relatively ideal. And no over-welding or under-welding condition exists. The battery piece is not easy to deform under the low temperature condition, and the slow cooling stage is not needed. Therefore, the process for integrally welding the battery plates in a string at one time has practicability and very high welding efficiency.
It should be understood that the detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can be modified or substituted equally to achieve the same technical effects; as long as the use requirements are met, the method is within the protection scope of the invention.

Claims (10)

1. The whole series welding light box structure of the series welding machine is characterized by comprising a light box frame;
a plurality of infrared lamp tubes are arranged in the lamp box frame at equal intervals and are parallel to each other;
each infrared lamp tube is connected with the lamp box frame through a lamp tube mounting seat, the infrared lamp tubes are in threaded connection with the lamp tube mounting seats, the lamp tube mounting seats are detachably connected with lamp tube mounting cross beams, and the lamp tube mounting cross beams are detachably connected with the lamp box frame;
an axial flow fan bottom plate is also arranged in the lamp box frame and is fixed in the lamp box frame; a plurality of axial flow fans for ventilation are also arranged in the lamp box frame and on the axial flow fan bottom plate;
still be provided with the infrared probe who is used for the temperature measurement in the lamp house frame, this infrared probe passes through the infrared probe mounting panel and links to each other with the lamp house frame, the probe mounting panel passes through the detachable connection of infrared probe crossbeam and lamp house frame, the casing of infrared probe penetrates by the through-hole of probe mounting panel, and place on the panel of lamp house bottom the casing.
2. The whole string welding light box structure of the stringer according to claim 1, wherein: the lamp tube mounting seat is detachably connected with the lamp tube mounting cross beam through screws.
3. The whole string welding light box structure of the stringer according to claim 1, wherein: the number of the axial flow fan is the same as that of the infrared lamp tubes.
4. The whole string welding light box structure of the stringer according to claim 1, wherein: the axial flow fan is vertically opposite to the infrared lamp tube.
5. The whole string welding light box structure of the stringer according to claim 1, wherein: the probe mounting plate is detachably connected with the lamp box frame through screws.
6. The whole string welding light box structure of the stringer according to claim 1, wherein: the size of the through hole of the probe mounting plate meets the requirement that the through hole can pass through the shell of the infrared probe and limit the infrared probe.
7. The whole string welding light box structure of the stringer according to claim 1, wherein: the lamp box frame is provided with a lamp box front panel and a lamp box rear back panel, and the infrared probe beam is connected with the lamp box rear panel.
8. The whole string welding light box structure of the stringer according to claim 1, wherein: the probe of the infrared probe penetrates out of the through hole of the bottom plate of the axial flow fan and extends out of the bottom plate.
9. The whole string welding light box structure of the stringer according to claim 1, wherein: the infrared probe is connected with an external controller, measures temperature in real time and feeds back the temperature for subsequent PID adjustment.
10. The whole string welding light box structure of the stringer according to claim 1, wherein: the front panel of the lamp box is provided with a front air outlet for the smoke of the scaling powder, and two sides of the lamp box are provided with air outlets for two sides of the smoke of the scaling powder.
CN201921858090.2U 2019-10-31 2019-10-31 Whole string welding lamp box structure of string welding machine Expired - Fee Related CN211162524U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921858090.2U CN211162524U (en) 2019-10-31 2019-10-31 Whole string welding lamp box structure of string welding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921858090.2U CN211162524U (en) 2019-10-31 2019-10-31 Whole string welding lamp box structure of string welding machine

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CN211162524U true CN211162524U (en) 2020-08-04

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112582492A (en) * 2020-11-30 2021-03-30 中建材浚鑫科技有限公司 Welding lamp box for packaging solar cell
CN114535771A (en) * 2022-04-22 2022-05-27 深圳光远智能装备股份有限公司 Welding lamp box

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112582492A (en) * 2020-11-30 2021-03-30 中建材浚鑫科技有限公司 Welding lamp box for packaging solar cell
CN114535771A (en) * 2022-04-22 2022-05-27 深圳光远智能装备股份有限公司 Welding lamp box

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Granted publication date: 20200804

Termination date: 20211031