CN207026775U - Heterogeneous solar cells made of crystalline silicon piece low temperature series welding system - Google Patents
Heterogeneous solar cells made of crystalline silicon piece low temperature series welding system Download PDFInfo
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- CN207026775U CN207026775U CN201721025239.XU CN201721025239U CN207026775U CN 207026775 U CN207026775 U CN 207026775U CN 201721025239 U CN201721025239 U CN 201721025239U CN 207026775 U CN207026775 U CN 207026775U
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- welding
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- solar cells
- crystalline silicon
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Abstract
The utility model discloses a kind of heterogeneous solar cells made of crystalline silicon piece low temperature series welding system, and it includes transport mechanism, welding cavity and device for monitoring temperature；Wherein, heat lamp is provided with welding cavity, weld and maintain distance between the bottom of cavity and transport mechanism, insulation construction is fixedly installed on welding cavity, insulation construction protrudes from the bottom of welding cavity, and insulation construction is symmetricly set on the both sides of transport mechanism, and extend to the lower section of transport mechanism.Heterogeneous solar cells made of crystalline silicon piece low temperature series welding system provided by the utility model, realize the control to cell piece series welding process temperature, make the welding of cell piece can be carried out within the scope of default temperature, solve the problems, such as the change of existing string welding machine heating-up temperature greatly, it is relatively low to temperature control precision, the reliability of welding of battery film is ensure that, realizes the Full-automatic welding to SHJ cell piece high speed volume productions.
Description
Technical field
It the utility model is related to technical field of solar batteries, more particularly to a kind of heterogeneous solar cells made of crystalline silicon piece is low
Warm series welding system.
Background technology
Efficiently and low cost is the deciding factor of photovoltaic technology survival and development, at present, in the high efficiency crystalline of own volume production
In silion cell technology, for the heterojunction solar technology with intrinsic sheet, i.e. SHJ (can be HIT, HJT etc.) again, due to it
Low temperature preparation, processing step are simple and the advantages that temperature coefficient is good, are expected to turn into one of photovoltaic industry mainstream technology.SHJ is too
Positive energy each film layer preparation technology temperature of cell piece, in order to keep the electric property of cell piece, does not damage film layer below 250 DEG C,
Its subsequent components preparation temperature is within a certain period of time no more than 230 DEG C.
It is developed so far, the welding for cell piece is typically realized by Full-automatic welding machine, and Full-automatic welding machine
There are many kinds in welding method, but crystal silicon largely uses infrared welding area source with the heating of automatic string welding machine at present, also
Have and seldom partly welded using electromagnetic induction, but electromagnetic induction welding sliver rate is high, so the automatic string welding machine of the overwhelming majority at present
Heating part using infrared lamp weld.In infrared welding process, in order to improve production capacity, blowtorch is understood transient heating and put
Heat, heating and cooling rate are fast, and range of temperature is larger.Because the temperature control window of crystal silicon is larger, and during infrared welding
Control difficulty when temperature small range changes is not greatly, also high to control range and required precision, because temperature exceeding standard can damage SHJ
Cell piece film layer, and the too low meeting rosin joint of temperature, therefore current string welding machine can not be directly applied on SHJ cell pieces.
Utility model content
The purpose of this utility model is to provide a kind of heterogeneous solar cells made of crystalline silicon piece low temperature series welding system, to realize
During SHJ cell piece series weldings, temperature can be dropped in the range of the technological requirement of SHJ cell pieces permission, while reduces temperature change
Change, ensure soldering reliability, realize the Full-automatic welding of SHJ cell piece high speed volume productions.
The utility model provides a kind of heterogeneous solar cells made of crystalline silicon piece low temperature series welding system, wherein, including：
Transport mechanism；
Cavity is welded, heat lamp, the bottom of the welding cavity and the transmission are provided with the welding cavity
Distance is maintained between mechanism, is fixedly installed insulation construction on the welding cavity, the insulation construction protrudes from the weldering
The bottom of cavity is connect, and the insulation construction is symmetricly set on the both sides of the transport mechanism, and extend to the transport mechanism
Lower section；
Heterogeneous solar cells made of crystalline silicon piece low temperature series welding system as described above, these, it is preferred to, in addition to temperature
Supervising device, the device for monitoring temperature are fixedly installed in the welding cavity.
Heterogeneous solar cells made of crystalline silicon piece low temperature series welding system as described above, these, it is preferred to, the welding chamber
The detection means for detecting the cell piece transmission location is provided with body.
Heterogeneous solar cells made of crystalline silicon piece low temperature series welding system as described above, these, it is preferred to, the welding chamber
Multiple temperature probes are provided with body, the cell piece is provided with multiple temperature measuring points, each temperature probe respectively with an institute
State temperature measuring point alignment.
Heterogeneous solar cells made of crystalline silicon piece low temperature series welding system as described above, these, it is preferred to, the cell piece
On every main gate line on be provided with a temperature measuring point, remaining temperature measuring point is evenly distributed on the sheet of the cell piece
On body.
Heterogeneous solar cells made of crystalline silicon piece low temperature series welding system as described above, these, it is preferred to, the welding chamber
Lamp socket is fixedly installed in body, the heat lamp is fixedly installed on the lamp socket.
Heterogeneous solar cells made of crystalline silicon piece low temperature series welding system as described above, these, it is preferred to, the thermometric is visited
Head is fixedly installed on the position away from the heat lamp on the lamp socket.
Heterogeneous solar cells made of crystalline silicon piece low temperature series welding system as described above, these, it is preferred to, the conveyer
Structure is provided with the heating module for being used for providing the cell piece steady temperature.
Heterogeneous solar cells made of crystalline silicon piece low temperature series welding system as described above, these, it is preferred to, the conveyer
Structure is provided with location structure, and the cell piece is fixedly installed on the location structure.
Heterogeneous solar cells made of crystalline silicon piece low temperature series welding system provided by the utility model, by setting insulation construction,
It is set to form heat preservation zone between welding cavity, it is therefore prevented that the heat quick release in welding cavity, and then prevent cell piece
Larger temperature change occurs in welding process, ensure that the welding quality of cell piece, meanwhile, by the setting of heat preservation zone,
Heat in heat preservation zone scatters and disappears relatively slowly, and the temperature change in heat preservation zone is smaller, and power cost reduces；In addition, by setting temperature
Supervising device, it ensure that being welded in preset temperature range for cell piece is carried out, it is therefore prevented that the temperature change mistake in welding cavity
It is big and damage cell piece film layer, solve the problems, such as existing string welding machine heating-up temperature change greatly, guarantor relatively low to temperature control precision
The reliability of welding of battery film has been demonstrate,proved, has realized the Full-automatic welding of SHJ cell piece high speed volume productions.
Brief description of the drawings
Fig. 1 is that the structure for the heterogeneous solar cells made of crystalline silicon piece low temperature series welding system that the utility model embodiment provides is shown
It is intended to；
Fig. 2 is the main view for the heterogeneous solar cells made of crystalline silicon piece low temperature series welding system that the utility model embodiment provides
Figure；
Fig. 3 is the side view for the heterogeneous solar cells made of crystalline silicon piece low temperature series welding system that the utility model embodiment provides
Figure.
Description of reference numerals：
100- welds cavity 110- insulation constructions
200- heat lamp 300- transport mechanisms
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and can not be construed to of the present utility model
Limitation.
Referring to Fig. 1 to Fig. 3, it is low that the utility model embodiment provides a kind of heterogeneous solar cells made of crystalline silicon piece
Warm series welding system, it includes transport mechanism 300, welding cavity 100 and device for monitoring temperature；Wherein, weld in cavity 100 and set
There is heat lamp 200, weld and distance is maintained between the bottom of cavity 100 and transport mechanism 300, weld solid on cavity 100
Surely insulation construction 110 is provided with, insulation construction 110 protrudes from the bottom of welding cavity 100, and insulation construction 110 is symmetrical arranged
In the both sides of transport mechanism 300, and extend to the lower section of transport mechanism 300.
Wherein, by setting insulation construction 110, it is formed heat preservation zone between welding cavity 100, can prevent from welding
Heat quick release in cavity 100, and then prevent cell piece that larger temperature change occurs in welding process, it ensure that
The welding quality of cell piece, meanwhile, by the setting of heat preservation zone, the heat in heat preservation zone is scattered and disappeared relatively slow, the temperature in heat preservation zone
Degree change is smaller, and power cost reduces.
Further, the heterogeneous solar cells made of crystalline silicon piece low temperature series welding system also includes device for monitoring temperature, the temperature
Degree supervising device is fixedly installed in welding cavity 100, thereby may be ensured that cell piece is welded in preset temperature range
OK, prevent from welding the temperature change in cavity 100 excessive and damage cell piece film layer.
Specifically, in the heterogeneous solar cells made of crystalline silicon piece low temperature series welding system provided using the utility model embodiment
During system is to welding of battery film, it can control transport mechanism 300 will by cell piece fixed placement in transport mechanism 300
Cell piece is sent in welding cavity 100, to be welded to cell piece, while passes through device for monitoring temperature in welding process
Whether the temperature in monitoring welding cavity 100 if it is, continuing welding job, and is welding within the scope of default temperature
After the completion of, cell piece is sent out welding cavity 100 by control transport mechanism 300；If not, in time by welding cavity 100
Temperature is adjusted within the scope of default temperature, and whether the temperature in monitoring welding cavity 100 is in default temperature model again
Until completing welding job in enclosing.Thus, the heterogeneous solar cells made of crystalline silicon piece provided by the utility model embodiment is low
Warm series welding system, it is possible to achieve the control to series welding process temperature, allow the welding of SHJ cell pieces in default temperature range
Interior progress, solve the problems, such as the change of existing string welding machine heating-up temperature greatly, it is relatively low to temperature control precision, ensure that cell piece weldering
The reliability connect, realize the Full-automatic welding of SHJ cell piece high speed volume productions.
Further, the detection means being provided with cavity 100 for detecting cell piece transmission location is welded.Preferably
It is that detection means is position sensor, when detecting the setting position that cell piece is transferred in welding cavity 100, position
Sensor can send cell piece to the controller of heat lamp 200, and signal, controller are believed in place according to the cell piece in place
Number, automatically control heat lamp 200 and cell piece is welded, realize and welding of battery film is automatically controlled, improve
The welding precision of cell piece；Meanwhile position sensor can also send cell piece to the controller of transport mechanism 300 and believe in place
Number, to control the operation of transport mechanism 300 and stopping, realizing and cell piece transmission is automatically controlled, improve cell piece
Positioning precision.
Further, weld in cavity 100 and be provided with multiple temperature probes, cell piece is provided with multiple temperature measuring points, each to survey
Temperature probe aligns with a temperature measuring point respectively, so as to monitor the temperature change on cell piece in real time, prevents temperature mistake
The problem of high, too low or uneven heating is even, and then ensure the reliability of welding.Specifically, in every main gate line on cell piece
A temperature measuring point can be provided with, remaining temperature measuring point is evenly distributed on the body of cell piece, in the present embodiment, cell piece
On be evenly arranged with nine temperature measuring points, wherein five temperature measuring points are evenly distributed on the body of cell piece, four additional temperature measuring point
It is separately positioned on four grid lines on cell piece.
Further, in order to ensure the fixation reliability of heat lamp 200, welding can be fixedly installed in cavity 100
There is lamp socket, heat lamp 200 is fixedly installed on lamp socket.
It is understood that temperature probe can be fixedly installed on the position away from heat lamp 200 on lamp socket, with
Prevent temperature probe from being disturbed by the temperature of heat lamp 200.
Further, in order that cell piece can in transmitting procedure and in the technique of welding or back segment working process
Keep certain technological temperature, prevent that larger temperature change occurs in PROCESS FOR TREATMENT, transport mechanism 300 be provided be used for pair
Cell piece provides the heating module of steady temperature, and thus, cell piece can be all the time by transport mechanism 300 in transmitting procedure
Heating module carry out heated at constant temperature；Wherein, the heating module may be coupled in independent control system, it is possible thereby to realize
Independent control to the temperature of transport mechanism 300, meet the heating requirements different to cell piece.
Further, location structure is also provided with transport mechanism 300, cell piece can be fixedly installed on location structure
On, so as to prevent cell piece to be moved in the process treatment process such as transmission or welding, it ensure that the matter of PROCESS FOR TREATMENT
Amount.
The heterogeneous solar cells made of crystalline silicon piece low temperature series welding system that the utility model embodiment provides, it is incubated by setting
Structure, it is set to form heat preservation zone between welding cavity, it is therefore prevented that the heat quick release in welding cavity, and then prevent electricity
Larger temperature change occurs in welding process for pond piece, ensure that the welding quality of cell piece, meanwhile, pass through setting for heat preservation zone
Put, the heat in heat preservation zone scatters and disappears relatively slowly, and the temperature change in heat preservation zone is smaller, and power cost reduces；In addition, by setting temperature
Supervising device is spent, ensure that being welded in preset temperature range for cell piece is carried out, it is therefore prevented that the temperature change in welding cavity
It is excessive and damage cell piece film layer, solve the problems, such as existing string welding machine heating-up temperature change greatly, it is relatively low to temperature control precision,
The reliability of welding of battery film is ensure that, realizes the Full-automatic welding of SHJ cell piece high speed volume productions.
Construction, feature and action effect of the present utility model is described in detail according to the embodiment shown in schema above, with
Upper described is only preferred embodiment of the present utility model, but the utility model is to limit practical range shown in drawing, it is every according to
According to the made change of conception of the present utility model, or the equivalent embodiment of equivalent variations is revised as, still without departing from specification and figure
, all should be in the scope of protection of the utility model when showing covered spirit.
Claims (9)
- A kind of 1. heterogeneous solar cells made of crystalline silicon piece low temperature series welding system, it is characterised in that including：Transport mechanism；Cavity is welded, heat lamp, the bottom of the welding cavity and the transport mechanism are provided with the welding cavity Between maintain distance, be fixedly installed insulation construction on the welding cavity, the insulation construction protrudes from the welding chamber The bottom of body, and the insulation construction is symmetricly set on the both sides of the transport mechanism, and extend under the transport mechanism Side.
- 2. heterogeneous solar cells made of crystalline silicon piece low temperature series welding system according to claim 1, it is characterised in that also include Device for monitoring temperature, the device for monitoring temperature are fixedly installed in the welding cavity.
- 3. heterogeneous solar cells made of crystalline silicon piece low temperature series welding system according to claim 2, it is characterised in that the weldering Connect the detection means being provided with cavity for detecting the cell piece transmission location.
- 4. heterogeneous solar cells made of crystalline silicon piece low temperature series welding system according to claim 3, it is characterised in that the weldering Connect and multiple temperature probes are provided with cavity, the cell piece is provided with multiple temperature measuring points, and each temperature probe is respectively with one The individual temperature measuring point alignment.
- 5. heterogeneous solar cells made of crystalline silicon piece low temperature series welding system according to claim 4, it is characterised in that the electricity A temperature measuring point is provided with every main gate line on the piece of pond, remaining described temperature measuring point is evenly distributed on the cell piece Body on.
- 6. heterogeneous solar cells made of crystalline silicon piece low temperature series welding system according to claim 5, it is characterised in that the weldering Connect and lamp socket is fixedly installed in cavity, the heat lamp is fixedly installed on the lamp socket.
- 7. heterogeneous solar cells made of crystalline silicon piece low temperature series welding system according to claim 6, it is characterised in that the survey Temperature probe is fixedly installed on the position away from the heat lamp on the lamp socket.
- 8. the heterogeneous solar cells made of crystalline silicon piece low temperature series welding system according to claim any one of 1-7, its feature exist In the transport mechanism is provided with the heating module for being used for providing the cell piece steady temperature.
- 9. heterogeneous solar cells made of crystalline silicon piece low temperature series welding system according to claim 8, it is characterised in that the biography Mechanism is sent to be provided with location structure, the cell piece is fixedly installed on the location structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721025239.XU CN207026775U (en) | 2017-08-16 | 2017-08-16 | Heterogeneous solar cells made of crystalline silicon piece low temperature series welding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721025239.XU CN207026775U (en) | 2017-08-16 | 2017-08-16 | Heterogeneous solar cells made of crystalline silicon piece low temperature series welding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207026775U true CN207026775U (en) | 2018-02-23 |
Family
ID=61487742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721025239.XU Withdrawn - After Issue CN207026775U (en) | 2017-08-16 | 2017-08-16 | Heterogeneous solar cells made of crystalline silicon piece low temperature series welding system |
Country Status (1)
| Country | Link |
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| CN (1) | CN207026775U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107464856A (en) * | 2017-08-16 | 2017-12-12 | 君泰创新（北京）科技有限公司 | Heterogeneous solar cells made of crystalline silicon piece low temperature series welding method and system |
-
2017
- 2017-08-16 CN CN201721025239.XU patent/CN207026775U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107464856A (en) * | 2017-08-16 | 2017-12-12 | 君泰创新（北京）科技有限公司 | Heterogeneous solar cells made of crystalline silicon piece low temperature series welding method and system |
| WO2019033928A1 (en) * | 2017-08-16 | 2019-02-21 | 君泰创新（北京）科技有限公司 | Series welding method and device for heterojunction solar cells |
| CN107464856B (en) * | 2017-08-16 | 2019-08-02 | 君泰创新（北京）科技有限公司 | Heterogeneous solar cells made of crystalline silicon piece low temperature series welding method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180223 Effective date of abandoning: 20190802 |
|
| AV01 | Patent right actively abandoned |