CN102259455B - Solar module laminating machine and its laminating method - Google Patents
Solar module laminating machine and its laminating method Download PDFInfo
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- CN102259455B CN102259455B CN201010190162.8A CN201010190162A CN102259455B CN 102259455 B CN102259455 B CN 102259455B CN 201010190162 A CN201010190162 A CN 201010190162A CN 102259455 B CN102259455 B CN 102259455B
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention provides a solar module laminating machine and its laminating method, wherein the laminating method comprises the following steps of: S1, placing solar modules to be laminated into a lower cavity; S2, vacuum-pumping: firstly carrying out vacuum-pumping on the lower cavity, and then carrying out vacuum-pumping on an upper cavity and the lower cavity at the same time; S3, laminating process: by keeping a vacuum state in the lower cavity and degassing the upper cavity, carrying out pressurization on the solar modules in the lower cavity and simultaneously heating the lower cavity; S4, degassing the lower cavity, and then taking out the laminated solar modules. During the laminating process in the Step S3, the upper cavity maintains a vacuum state and the degassing process in the upper cavity belongs to a phasic degassing. The invention also provides a solar module laminating machine specially used in the above laminating method. The above solar module laminating machine and the laminating method provided by the invention can be used to effectively raise the bonding performance of the solar modules.
Description
Technical field
The present invention relates to a kind of solar module manufacturing equipment field, particularly a kind of solar components laminating machine and laminating method thereof.
Background technology
Along with the growing of industrial circle and progressive, it is nervous that the energy more is tending towards, the particularly minimizing day by day of the non-regeneration energy such as coal, oil, use the application of the above-mentioned energy to be impacted, for example: at field of traffic, because the rise of oil price, caused thus the contradiction of every aspect, the exploitation of new forms of energy and application seem more and more urgent thus, and solar energy, as new renewable resource, obtains broad research in recent years.
Solar module (also claiming " photovoltaic module ") is that some cells are carried out to series and parallel according to the electrical property classification, is combined into the minimum unit that can independently use as power supply after encapsulation.Solar module has various size and dimensions, and conventional solar module structure is followed successively by glass/eva film/solar cell/eva film/TPT back veneer material from top to bottom.
The manufacture method of above-mentioned solar module generally includes following several step:
1, with the interconnector prepared, some solar cells are welded as a whole;
2, from bottom to top glass, EVA, the solar battery array, EVA, the TPT that form through series and parallel are superimposed together and put into the solar components laminating machine;
3, adopt the vacuum layer platen press that the upper and lower chamber of laminating machine is vacuumized, heating, pressurization, are taken out after moulding by glass, EV film, solar battery array, EVA, TPT hot pressing together.
4, install terminal box additional and power line is made solar module.
In the manufacture process of solar module, lamination is one very important operation, the performance and the service life that are related to solar module, thereby solar components laminating machine and laminating method thereof have been proposed to very high requirement, yet, existing solar energy layer press and laminating method thereof are due to the strict control of shortcoming to the heating of upper and lower chamber, pressurization and vacuum etc., the solar module of made exists crackle, bubble, and the binding ability of solar module is poor.
Chinese invention patent (publication number CN101661975) discloses a kind of manufacture method of lamination of solar battery components, adopts following steps: be welded on interconnector on the negative electrode and positive electrode of cell, form the solar cell display; On stacking table, the solar cell of placing toughened glass, EVA glued membrane, serial connection display, EVA glued membrane, TPT notacoria are made the semi-products solar module successively; The semi-products solar module is sent in the laminating machine chamber vacuumized, heated, pressurizeing is integral; Through installing aluminum alloy frame additional and termination is made solar module.The time that this application for a patent for invention is heated temperature, vacuum and heated and pressurize by setting; make solar module in the pressure process of heating; there is certain vacuum between silica gel plate and upper chamber; impel silica gel plate not produce excessive pressure to solar module; can play the effect of effective protection cell piece, the hidden phenomenon of splitting that can avoid solar module to produce in lamination process.Yet the solar module that can not effectively solve after pressing exists bubble, the poor problem of binding ability.
Summary of the invention
The present invention exists bubble, the poor technical problem of binding ability for the solar module that solves solar components laminating machine of the prior art and laminating method made thereof.
The present invention also provides a kind of laminating method of solar components laminating machine, comprises the steps:
S1, will treat that the lamination solar module puts into lower chambers;
S2, vacuumize: first lower chambers is vacuumized, then upper and lower chamber is vacuumized simultaneously;
S3, lamination process: keep vacuum by lower chambers, upper chamber is exitted, and the solar module of bottom chamber is pressurizeed, and lower chambers is heated simultaneously;
S4, lower chambers is exitted, then the solar module after lamination is taken out;
Wherein: in the lamination process of step S3, described lower chambers continues to keep vacuum, the deflation course of described upper chamber is stage venting: 1) exhaust phase: upper chamber is exitted to drain pressure and keeps this drain pressure a period of time, discharge the bubble between solar module; 2) the precompressed stage: upper chamber is continued to exit to precompressed pressure and keeps this precompressed pressure a period of time, solar module is carried out to precompressed; 3) lamination stages: upper chamber is finally exitted to lamination pressure and keeps this lamination pressure a period of time to the lamination time to finish, solar module is pressed together.
Preferably, described stage venting is minute three sections venting: 1) at exhaust phase, with the deflation time of 18S～20S, upper chamber is deflated to pressure and is-50KPA～-60KPA, keep 50～60S; 2) the precompressed stage with the deflation time of 18S～20S by upper chamber be deflated to pressure for-28KPA～-30KPA, keep 2min～3min; 3) in lamination stages, vent valve is opened fully, remained to the end of lamination time.
Preferably, described step S2 vacuumizes as first lower chambers being vacuumized to 35S～40S, and then upper and lower chamber vacuumizes 6min～7min together, until lower chambers vacuum≤-100Kpa.
Preferably, in step S3, described lower chambers is heated, the temperature of setting lower chambers is 140 ℃, and temperature deviation is in the scope of ± 3 ℃.
The present invention also provides a kind of solar components laminating machine, for realizing above-mentioned laminating method, comprise: body, the openable upper cover be installed on described body, be provided with the solar energy layer pressing plate for the lamination solar module in described upper cover, form upper chamber between solar energy layer pressing plate and upper cover, upper cover and body are sealed and matched and are formed for holding the lower chambers of solar module;
Wherein, described solar components laminating machine also comprises vacuum system, described vacuum system comprises the vavuum pump for upper and lower chamber is vacuumized and is connected in the upper and lower vacuum line between upper and lower chamber and vavuum pump, is separately installed with upper and lower chamber vent valve and upper and lower chamber vacuum valve on described upper and lower vacuum line;
Described vacuum system also comprises controller, chamber vacuum pressure sensor, upper chamber vacuum solenoid also are installed on described upper vacuum line, upper chamber vacuum solenoid and upper chamber vent valve are in series and are combined into one, upper chamber vacuum pressure sensor, upper chamber vacuum solenoid are electrically connected to controller, upper chamber vacuum pressure sensor to controller, and is controlled the pressure signal transmission of upper chamber the chamber vacuum solenoid by controller and is opened or close.
Preferably, lower chamber vacuum pressure sensor, lower chamber vacuum solenoid also are installed on described lower vacuum line, lower chamber vacuum solenoid and lower chamber vent valve are in series and are combined into one, lower chamber vacuum pressure sensor, lower chamber vacuum solenoid are electrically connected to described controller, lower chamber vacuum pressure sensor to controller, and is controlled the pressure signal transmission of lower chambers lower chamber vacuum solenoid by controller and is opened or close.
Preferably, described upper and lower vacuum line also is equipped with upper and lower chamber vacuum meter; In addition, the free end of described upper and lower vacuum line is provided with for connecting the upper and lower vacuum interface of vavuum pump.
Preferably, described upper cover comprises the first top board, the second top board, in described the first top board, is provided with upper groove body, is provided with the lower groove that connects this second top board in described the second top board; Described solar energy layer pressing plate for sealing is installed between described the first top board and the second top board, forms described upper chamber between solar energy layer pressing plate and lower groove.
Preferably, described upper and lower cell body is the flume structure be oppositely arranged, and its edge respectively and be 30 °～60 ° between the solar energy layer pressing plate and be obliquely installed.
Preferably, described body comprises support, be installed on the heating plate on support and be seal-installed on the heating plate top for placing the lower platen of solar module, form described lower chambers between described solar energy layer pressing plate, lower groove and lower platen, the faying face of described the second top board and lower platen is provided with the sealed silicon adhesive tape; In addition, described body is provided with twin cylinder executing agency, and described twin cylinder executing agency is connected by piston pin with upper cover and controls described upper cover with respect to the body closure or openness.
Preferably, described heating plate is provided with for heating the oil circuit of lower platen, described oil circuit is the coiled pipe line structure, comprise two pipelines that independently are crisscross arranged, described two pipelines have respectively oil-in and oil-out, and the oil-in of these two snakelike pipelines is positioned at the not homonymy of heating plate, corresponding oil-out also is positioned at the not homonymy of heating plate.
Preferably, the thickness of described solar energy layer pressing plate is 4-5mm, and shrinkage factor is 550%～800%.
Solar components laminating machine provided by the invention the mode of laminating method by stage venting can make the bubble between solar module discharge smoothly, thereby the binding ability between the solar module after the raising lamination, and solar components laminating machine of the present invention is widely used, be conducive to the development of existing solar cell.
The accompanying drawing explanation
Fig. 1 is the schematic diagram that solar components laminating machine provided by the invention is opening;
Fig. 2 is the schematic diagram that the solar components laminating machine shown in Fig. 1 is closed condition;
Fig. 3 is the partial sectional view of Fig. 1 along the A-A direction;
Fig. 4 is the partial sectional view of Fig. 2 along the B-B direction;
Fig. 5 is the cutaway view of the upper cover shown in Fig. 1;
Fig. 6 is the schematic diagram of the vacuum system of solar components laminating machine provided by the invention;
Fig. 7 is the schematic diagram of the heating plate shown in Fig. 1.
The specific embodiment
The solar module that the objective of the invention is the laminating method making in order to overcome existing solar components laminating machine exists bubble, the poor shortcoming of binding ability, a kind of laminating method of solar components laminating machine is provided, and improves accordingly the solar components laminating machine and realize this laminating method.
As shown in Figures 1 and 2, solar energy layer press of the present invention comprises: laminating machine body 1, upper cover 2, described upper cover 2 is openable to be installed on described body 1.Specifically, described body 1 is provided with twin cylinder executing agency 7, and described twin cylinder executing agency 7 is connected by piston pin 71, piston pin 72 with upper cover 2, and described twin cylinder executing agency 7 controls described upper cover 2 with respect to body 1 closure or openness.
Consult Fig. 4, described upper cover 2 is sealed and matched and is formed for holding the lower chambers 6 of solar module with body 1; Be provided with the solar energy layer pressing plate 4 for the lamination solar module in described upper cover 2, form upper chamber 5 between solar energy layer pressing plate 4 and upper cover 2.Specifically, consult Fig. 5, described upper cover 2 comprises the first top board 21, the second top board 22, in described the first top board 21, is provided with upper groove body 23, is provided with the lower groove 24 that connects this second top board 22 in described the second top board 22; Described solar energy layer pressing plate 4 is seal-installed between described the first top board 21 and the second top board 22, forms described upper chamber 5 between solar energy layer pressing plate 4 and upper groove body 23.Consult Fig. 1 and Fig. 5, the lower platen 13 for placing solar module that described body 1 comprises support 11, is installed on the heating plate 12 on support 11 and is installed on heating plate 12 tops, form described lower chambers 6 between described solar energy layer pressing plate 4, lower groove 24 and lower platen 13.
Solar energy layer pressing plate 4 of the present invention can be and well known to a person skilled in the art various flexible members, and need to have certain heat resistance, for example: can adopt heat resistant rubber.Solar energy layer pressing plate 4 is arranged on upper cover 2, and be placed between upper groove body 23 and lower groove 24 and form upper chamber 5 and lower chambers 6, when the air pressure of upper chamber 5 is greater than the air pressure of lower chambers 6, solar energy layer pressing plate 4 produces deformation, and the solar module that is positioned at lower chambers 6 is produced to certain lamination pressure, thereby realize the lamination to the solar module product.Solar energy layer pressing plate 4 usual thickness are 4～5mm, in the present embodiment, its shrinkage factor can reach 550%～800%, solar energy layer pressing plate 4 plays important effect in whole laminating apparatus, the price comparison costliness, need when mounted to be installed to tensioned state, otherwise, take out, while putting vacuum, solar energy layer pressing plate 4 can not push down solar module fully or the dynamics of exerting pressure large not, between solar module, (the especially bubble in eva film) just can not squeeze out fully, between solar module, the adhesion strength of (especially eva film and glass plate) does not reach requirement.It is worth mentioning that, described upper groove body 23 is flume structure, be 30 °～60 ° between its edge 25 and solar energy layer pressing plate 4 and be obliquely installed, described lower groove 24 is the flume structure relative with described upper groove body 23, is 30 °～60 ° between its edge 26 and solar energy layer pressing plate 4 and is obliquely installed; Because upper groove body 23 and lower groove 24 are flume structure; be conducive to protect the solar energy layer pressing plate; after being heated vacuumize and while exitting; deformation to the solar energy layer pressing plate has cushioning effect; can extend the life-span of solar energy layer pressing plate; make it be not easy wearing and tearing, to whole laminating technology, also can play good effect.
In addition, the suction of the upper and lower chamber 5,6 of solar components laminating machine requires higher, for lamination goes out the solar module of high-quality, can the reach-100KPa of vacuum of general upper and lower chamber 5,6 is advisable, the present invention is in order better to realize vacuum, the key-course pressure pressure, and better discharge the gas between solar module, need to realize sealing reliably, thereby be provided with at least one sealed silicon adhesive tape 20 sealed on the faying face of described the second top board 22 and lower platen 13.Simultaneously, also at the faying face of solar energy layer pressing plate 4 and the first top board 21, sealed silicon adhesive tape 27 being installed is sealed; The faying face of solar energy layer pressing plate 4 and the second top board 22 is equipped with sealed silicon adhesive tape 28 and is sealed; In addition, the faying face of heating plate 12 and lower platen 13 also is equipped with sealed silicon adhesive tape 15 and is sealed.When twin cylinder executing agency 7 drives whole upper cover 2 system closing lid by piston pin 71, piston pin 72, find in debugging or production that the sealed silicon adhesive tape 20 between upper cover 2 and body 1 can not seal, reason is top board 21,22 out-of-flatnesses of upper cover 2, thereby, requirement arranges the micromatic setting of adjusting top board 21,22 flatness, described micromatic setting is top board micromatic setting 73 and the lower platen micromatic setting 74 be arranged on upper cover 2, by regulating top board micromatic setting 73 and top board micromatic setting 74, makes upper cover 2 and body 1 good seal.
Consult Fig. 1 and Fig. 7, described heating plate 12 is provided with the oil circuit 14 for heating lower platen 13 simultaneously, and this oil circuit 14 connects hot oil pump and carries out temperature control by die heater, and die heater is room temperature～190 ℃ to the adjustment of heating plate 12; Because lower platen 13 contacts with heating plate 12, the heat of heating plate 12 can be by the solar energy lamination assembly in top board 13 heating lower chambers 6.In the present invention, described oil circuit 14 is the coiled pipe line structure, comprise two pipelines that independently are crisscross arranged 16, 17, described two pipelines 16, 17 have respectively oil-in 161, 171 and oil-out 162, 172, and the oil-in 161 of these two snakelike pipelines, 171 are positioned at the not homonymy of heating plate 12, corresponding oil-out 162, 172 also are positioned at the not homonymy of heating plate 12, the design of above-mentioned oil circuit 14 can make the temperature of heating plate 12 even, temperature deviation is in the scope of ± 3 ℃, thereby can make the solar components laminating machine to the hot pressing effect of solar module more.
Consult Fig. 6, described solar components laminating machine is provided with vacuum system 3, for realizing the vacuum control to upper and lower chamber 5,6, and to the stage lamination of solar module, Figure 6 shows that the schematic diagram of the vacuum system of solar components laminating machine of the present invention, described vacuum system 3 comprises vavuum pump 31 for upper and lower chamber 5,6 is vacuumized, be connected in the upper and lower vacuum line 51,61 between upper and lower chamber 5,6 and vavuum pump 31 and be connected in testing arrangement on upper and lower vacuum line 51,61 and the assembly such as control device.Wherein, vavuum pump 31 of the present invention can be one, can be also a plurality of.Specifically, described upper chamber 5 is provided with vacuum line 51, the free end of upper vacuum line 51 is provided with vacuum interface 59 (consulting Fig. 1), and connect vavuum pump 31 by described upper vacuum interface 59, chamber vent valve 52 and upper chamber vacuum valve 53 are installed on upper vacuum line 51, upper chamber vacuum valve 53 is for upper chamber 5 is vacuumized, and upper chamber vent valve 52 is in upper chamber 5, passing into air, and upper chamber 5 controls its vacuum by upper chamber vacuum valve 53 and 52 combinations of upper chamber vent valve.The control device of vacuum system 3 of the present invention is controller 32, for realizing the automatic control of vacuum system 3, its control circuit part can be passed through existing techniques in realizing, and the setting of each parameter can have been set according to the user, thereby realizes the automation mechanized operation of laminating technology.On described upper vacuum line 51, chamber vacuum meter 54 also is installed, upper chamber vacuum pressure sensor 55, and upper chamber vacuum solenoid 56, described upper chamber vacuum solenoid 56 is in series and is combined into one with upper chamber vent valve 52, the common executing agency that forms bleed air operation, can go up by adjusting the unlatching of chamber vacuum solenoid 56, close with opening degree and control the speed of whether exitting and exitting, upper chamber vacuum pressure sensor 55, upper chamber vacuum solenoid 56 is electrically connected to controller 32 and forms a closed-loop control system, upper chamber vacuum pressure sensor 55 by the pressure signal transmission of upper chamber 5 to controller 32, and control upper chamber vacuum solenoid 56 by controller 32 and open or close, thereby realize the control to upper chamber's 5 stage venting.For example: as the user, on controller 32, set while exitting to a certain desired value to upper chamber 5, controller 32 is controlled upper chamber vacuum solenoid 56 and is opened, until the force value that feeds back to controller 32 of upper chamber vacuum pressure sensor 55 is while reaching desired value, controller 32 closes closes chamber vacuum solenoid 56, and this stage venting finishes.
Similarly, described lower chambers 6 is provided with lower vacuum line 61, the free end of lower vacuum line 61 is provided with lower vacuum interface 66, and connect vavuum pump 31 by described lower vacuum interface 66, for the course of work, lower chambers 6 is vacuumized, lower chamber vent valve 62 and lower chamber vacuum valve 63 are installed on lower vacuum line 61, lower chamber vacuum valve 63 is for being vacuumized lower chambers 6, lower chamber vent valve 62 for passing into air in lower chambers 6, lower chambers 6 is controlled its vacuum by lower chamber vacuum valve 63 and 62 combinations of lower chamber vent valve, lower chamber vacuum meter 64 also is installed on described lower vacuum line 61, lower chamber vacuum pressure sensor 65, lower chamber vacuum solenoid 66, described lower chamber vacuum solenoid 66 is in series and is combined into one with lower chamber vent valve 62, the common executing agency that forms bleed air operation, lower chamber vacuum pressure sensor 65, lower chamber vacuum solenoid 66 is electrically connected to described controller 32, lower chamber vacuum pressure sensor 65 by the pressure signal transmission of lower chambers 6 to controller 32, and control lower chamber vacuum solenoid 66 by controller 32 and open or close, thereby can realize the control to lower chambers 6 venting.
In addition, it is worth mentioning that, can also be at the magnetic valve of respectively connecting between upper and lower chamber vacuum valve 53,63 and upper and lower chamber 5,6, adjusting magnetic valve opens, closes with opening degree and control the speed that whether vacuumizes and vacuumize, controller can be controlled according to technological requirement the opening and closing of magnetic valve, thereby realizes the automatic control that upper and lower chamber 5,6 is vacuumized.
Above-mentioned solar components laminating machine is for realizing following laminating method, and the laminating method of solar components of the present invention is similar to existing laminating method, and the laminating method of solar components laminating machine of the present invention comprises the steps:
Step 1, will treat that the lamination solar module puts into lower chambers;
Step 3, lamination process: close the vacuum valve of upper chamber, open the vent valve of upper chamber, upper chamber enters inflated condition; Regulate the vent valve of upper chamber, observe the vacuum meter registration of upper chamber, after the arrival lamination pressure, close and close the chamber vent valve; Keep vacuum by lower chambers, upper chamber is exitted, the solar module of bottom chamber is pressurizeed, lower chambers is heated simultaneously, keeping the temperature of lower chambers is 140 ℃ of constant temperature, continues certain lamination time, and solar module combines by heating, pressurization.
Improvements of the present invention are the segmentation venting of step S3, specifically, in the lamination process of step S3, described upper chamber continues to keep vacuum, the deflation course of described upper chamber is stage venting: 1) exhaust phase: upper chamber is exitted to drain pressure and keeps this drain pressure a period of time,, discharge the bubble between solar module; 2) the precompressed stage: upper chamber is continued to exit to precompressed pressure and keeps and keep this precompressed pressure a period of time, solar module is carried out to precompressed; 3) lamination stages: upper chamber is finally exitted to lamination pressure and keeps this lamination pressure a period of time to the lamination time to finish, solar module is pressed together.
In the present embodiment, 1) exhaust phase: with the deflation time of 18S～20S by upper chamber be deflated to pressure for-50KPA～-60KPA, keep 50～60S; 2) the precompressed stage, with the deflation time of 18S～20S by lower chambers be deflated to pressure for-28KPA～-30KPA, keep 2min～3min; 3) lamination stages: vent valve is opened fully, remained to the end of lamination time.The control of the stage venting of above-mentioned upper chamber can be passed through upper chamber vacuum pressure sensor, upper chamber vacuum solenoid and controller and realize.For example: at exhaust phase, the pressure that upper chamber vacuum solenoid detects upper chamber arrive drain pressure-50KPA～-60KPA, send signal to controller, controller controls upper chamber vacuum solenoid and cuts out, and stops upper chamber being exitted.After the interior default retention time 50～60S of controller, controller is controlled described upper chamber vacuum solenoid and is opened, continue venting, until upper chamber vacuum solenoid detect the pressure of upper chamber arrive precompressed pressure-28KPA～-30KPA, controller controls again the chamber vacuum solenoid and cuts out, and stops upper chamber being exitted.Said process is automatically to control, certainly, also can be according to the demonstration numerical value of upper chamber vacuum meter, chamber vent valve in corresponding opening and closing, manually control.
The mode that the present invention exits by segmentation, at exhaust phase, the bubble (the especially bubble between sheet glass and EVA) between solar module is discharged slowly to surrounding from centre, by the precompressed stage, make solar module obtain precompressed, and then carry out laminating operation, more be conducive to lamination and go out qualified product; And adopt the venting of going forward one by one continuously of the technical scheme of Chinese patent CN200910182703, and to the lamination area, large product is difficult to guarantee that the bubble between glass plate and EVA discharges in time, and there is no the process of precompressed bag pressure, the properties of product after lamination are poor.
After step 4, lamination time arrive, the chamber vent valve is closed in pass, open the chamber vacuum valve, close lower chamber vacuum valve simultaneously, open lower chamber vent valve, after the lower chambers vacuum is got back to atmospheric condition, open upper cover, solar module after lamination is taken out, and lamination process finishes, and makes the solar module product.
In sum, the laminating method of solar components laminating machine of the present invention passes through upper, the vacuum control of lower vacuum chamber realizes treating the lamination of laminated compenent, first by solar module (five layers of raw material, for glass, EVA, cell piece, EVA, TPT) stack gradually and be placed in lower chambers, to upper, lower chambers first vacuumizes, then upper chamber's segmentation venting, lower chambers keeps vacuum always, in 140 degree temperature constant state laminated, mode by segmentation lamination and constant temperature makes the bubble between solar module discharge smoothly, thereby the binding ability between the solar module after the raising lamination, extrusion there is not bubble, the solar module product that bond strength is qualified, and solar components laminating machine of the present invention is widely used, be conducive to the development of existing solar cell.
Claims (12)
1. the laminating method of a solar components laminating machine, comprise the steps:
S1, will treat that the lamination solar module puts into lower chambers;
S2, vacuumize: first lower chambers is vacuumized, then upper and lower chamber is vacuumized simultaneously;
S3, lamination process: keep vacuum by lower chambers, upper chamber is exitted, and the solar module of bottom chamber is pressurizeed, and lower chambers is heated simultaneously;
S4, lower chambers is exitted, then the solar module after lamination is taken out;
It is characterized in that: in the lamination process of step S3, described lower chambers continues to keep vacuum, the deflation course of described upper chamber is stage venting: 1) exhaust phase: upper chamber is exitted to drain pressure and keeps this drain pressure a period of time, discharge the bubble between solar module; 2) the precompressed stage: upper chamber is continued to exit to precompressed pressure and keeps this precompressed pressure a period of time, solar module is carried out to precompressed; 3) lamination stages: upper chamber is finally exitted to lamination pressure and keeps this lamination pressure a period of time to the lamination time to finish, solar module is pressed together.
2. the laminating method of solar components laminating machine according to claim 1, it is characterized in that, described stage venting is minute three sections venting: 1) at exhaust phase, with the deflation time of 18s ~ 20s, upper chamber is deflated to pressure and is-50KPa ~-60KPa, keep 50 ~ 60s; 2) the precompressed stage with the deflation time of 18s ~ 20s by upper chamber be deflated to pressure for-28KPa～-30KPa, keep 2min ~ 3 min; 3) in lamination stages, vent valve is opened fully, remained to the end of lamination time.
3. the laminating method of solar components laminating machine according to claim 1 and 2, it is characterized in that, described step S2 vacuumizes as first lower chambers being vacuumized to 35s～40s, and then upper and lower chamber vacuumizes 6min～7min together, until lower chambers vacuum≤-100KPa.
4. the laminating method of solar components laminating machine according to claim 1 and 2, is characterized in that, in step S3, described lower chambers heated, and the temperature of setting lower chambers is 140 ℃, and temperature deviation is in the scope of ± 3 ℃.
5. a solar components laminating machine, for realizing laminating method as described as claim 1 ~ 4 any one, comprise: body (1), the openable upper cover (2) be installed on described body (1), be provided with the solar energy layer pressing plate (4) for the lamination solar module in described upper cover (2), form upper chamber (5) between solar energy layer pressing plate (4) and upper cover (2), the lower chambers (6) that upper cover (2) and body (1) are sealed and matched and are formed for holding solar module;
It is characterized in that, described solar components laminating machine also comprises vacuum system (3), described vacuum system (3) comprises the vavuum pump (31) for upper and lower chamber (5,6) is vacuumized and is connected in the upper and lower vacuum line (51,61) between upper and lower chamber (5,6) and vavuum pump (31), is separately installed with upper and lower chamber vent valve (52,62) and upper and lower chamber vacuum valve (53,63) on described upper and lower vacuum line (51,61);
Described vacuum system (3) also comprises controller (32), chamber vacuum pressure sensor (55) also is installed on described upper vacuum line (51), upper chamber vacuum solenoid (56), upper chamber vacuum solenoid (56) is in series and is combined into one with upper chamber vent valve (52), upper chamber vacuum pressure sensor (55), upper chamber vacuum solenoid (56) is electrically connected to controller (32), upper chamber vacuum pressure sensor (55) by the pressure signal transmission of upper chamber (5) to controller (32), and open or close by chamber vacuum solenoid (56) in controller (32) control.
6. a kind of solar components laminating machine according to claim 5, it is characterized in that, lower chamber vacuum pressure sensor (65) also is installed on described lower vacuum line (61), lower chamber vacuum solenoid (66), lower chamber vacuum solenoid (66) is in series and is combined into one with lower chamber vent valve (62), lower chamber vacuum pressure sensor (65), lower chamber vacuum solenoid (66) is electrically connected to described controller (32), lower chamber vacuum pressure sensor (65) by the pressure signal transmission of lower chambers (6) to controller (32), and control lower chamber vacuum solenoid (66) by controller (32) and open or close.
7. according to the described solar components laminating machine of claim 5 or 6, it is characterized in that, described upper and lower vacuum line (51,61) also is equipped with upper and lower chamber vacuum meter (54,64); In addition, the free end of described upper and lower vacuum line (51,61) is provided with the upper and lower vacuum interface (59,69) for connecting vavuum pump (31).
8. solar components laminating machine according to claim 5, it is characterized in that, described upper cover (2) comprises the first top board (21), the second top board (22), be provided with upper groove body (23) in described the first top board (21), be provided with the lower groove (24) that connects this second top board (22) in described the second top board (22); Described solar energy layer pressing plate (4) is seal-installed between described the first top board (21) and the second top board (22), forms described upper chamber (5) between solar energy layer pressing plate (4) and lower groove (24).
9. solar components laminating machine according to claim 8, is characterized in that, described upper and lower cell body (23,24) is the flume structure that is oppositely arranged, its edge (25,26) respectively and be 30 ° ~ 60 ° between solar energy layer pressing plate (4) and be obliquely installed.
10. solar components laminating machine according to claim 8, it is characterized in that, the lower platen (13) for placing solar module that described body (1) comprises support (11), is installed on the heating plate (12) on support (11) and is seal-installed on heating plate (12) top, form described lower chambers (6) between described solar energy layer pressing plate (4), lower groove (24) and lower platen (13), described the second top board (22) is provided with sealed silicon adhesive tape (20) with the faying face of lower platen (13); In addition, described body (1) is provided with twin cylinder executing agency (7), and described twin cylinder executing agency (7) is connected by piston pin (71,72) and controls described upper cover (2) with respect to body (1) closure or openness with upper cover (2).
11. solar components laminating machine according to claim 10, it is characterized in that, described heating plate (12) is provided with the oil circuit (14) for heating lower platen (13), described oil circuit (14) is the coiled pipe line structure, comprise two pipelines that independently are crisscross arranged (16, 17), described two pipelines (16, 17) there is respectively oil-in (161, 171) and oil-out (162, 172), and the oil-in (161 of these two snakelike pipelines, 171) be positioned at the not homonymy of heating plate (12), corresponding oil-out (162, 172) also be positioned at the not homonymy of heating plate (12).
12. solar components laminating machine according to claim 5, is characterized in that, the thickness of described solar energy layer pressing plate (4) is 4 ~ 5mm, and shrinkage factor is 550% ~ 800%.
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