CN103545390A - Junction box pouring sealant coagulation forming structure capable of improving heat conduction and manufacturing method of junction box pouring sealant coagulation forming structure - Google Patents
Junction box pouring sealant coagulation forming structure capable of improving heat conduction and manufacturing method of junction box pouring sealant coagulation forming structure Download PDFInfo
- Publication number
- CN103545390A CN103545390A CN201310451486.6A CN201310451486A CN103545390A CN 103545390 A CN103545390 A CN 103545390A CN 201310451486 A CN201310451486 A CN 201310451486A CN 103545390 A CN103545390 A CN 103545390A
- Authority
- CN
- China
- Prior art keywords
- casting glue
- terminal box
- vitreum
- pouring sealant
- junction box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005345 coagulation Methods 0.000 title claims abstract description 23
- 230000015271 coagulation Effects 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000000565 sealant Substances 0.000 title abstract 12
- 239000011521 glass Substances 0.000 claims abstract description 8
- 239000003292 glue Substances 0.000 claims description 117
- 238000005266 casting Methods 0.000 claims description 114
- 230000005540 biological transmission Effects 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 18
- 238000000465 moulding Methods 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 241001300078 Vitrea Species 0.000 claims description 9
- 238000004513 sizing Methods 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
- H02S40/345—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes with cooling means associated with the electrical connection means, e.g. cooling means associated with or applied to the junction box
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a junction box pouring sealant coagulation forming structure capable of improving heat conduction and a manufacturing method of the junction box pouring sealant coagulation forming structure. The junction box pouring sealant coagulation forming structure comprises pouring sealant poured in a junction box, a plurality of glass bodies are distributed in the pouring sealant and are immersed in the same and adhered together. Heat conduction of the pouring sealant can be adjusted by adjusting proportion of the pouring sealant and the glass bodies, and heat conduction of the pouring sealant can meet the practical requirement by adjustment in a specific junction box using space, so that heat conduction is improved. Further, the junction box pouring sealant coagulation forming structure is good in leakproofness, and both heat conduction and leakproofness meet the practical requirements. In addition, the junction box pouring sealant coagulation forming structure is low in manufacturing cost and better in cost performance.
Description
Technical field
The present invention relates to a kind of terminal box casting glue coagulation molding structure that improves the capacity of heat transmission, also relate to the manufacture method of this terminal box casting glue coagulation molding structure.
Background technology
Photovoltaic junction box is between the solar cell array of solar module formation and the connector between solar charging controller for electric consumption.It is a cross-cutting comprehensive design that collection electrical design, Machine Design combine with material science.Solar battery component junction box is the important component part of solar components, and its Main Function is that the electric power that solar cell is produced is connected with outside line.
The electric components such as the electrical cable of terminal box inside and parallel diode, because of Joule effect, need to protect by heat radiation, conventionally with dosing technology, realize in the industry.The purposes of photovoltaic junction box casting glue is: (1) insulation, realizes and between Different electrodes, safeguards electrical separation under effective and safe voltage; (2) sealing, isolation water and air, prevents that water and air is on the corrosion of conducting metal and impact; (3) heat radiation, for the two-way collecting or multichannel wire, discharges as early as possible because Joule effect produces caloric requirement.So photovoltaic junction box casting glue becomes the necessary operation of making photovoltaic junction box.Terminal box casting glue mainly be take two component silica gel as main, and two component silica gel is comprised of base glue and two kinds of glue of curing agent, after base glue and curing agent mix according to a certain percentage, can use, and can adjust the curing time of casting glue according to mixed proportion.
Yet the defect of existing terminal box casting glue is: casting glue is one matter material, and its thermal conductivity is fixed, therefore, cannot in specific usage space, the thermal conductivity to casting glue regulate and control, so that thermal conductivity, seal all meet actual needs.
Summary of the invention
First object of the present invention is to provide a kind of terminal box casting glue coagulation molding structure that can regulate and control the improved capacity of heat transmission that thermal conductivity, good leak tightness and cost are low.
Above-mentioned purpose of the present invention realizes by the following technical solutions: a kind of terminal box casting glue coagulation molding structure that improves the capacity of heat transmission, comprise the casting glue being potted in terminal box, it is characterized in that: in described casting glue, be distributed with several vitreums, described vitreum is immersed in casting glue and is bonded to one.
The present invention can regulate the capacity of heat transmission of casting glue by adjusting casting glue and Vitrea usage ratio, therefore, in specific terminal box usage space, can make the capacity of heat transmission of casting glue meet actual requirement by regulating, to improve the capacity of heat transmission; And seal of the present invention is good, can realize the capacity of heat transmission and seal and all meet actual needs, in addition, cost of manufacture of the present invention is low, so good cost performance.
As a modification of the present invention, the contact area of described vitreum and terminal box inner face is less than or equal to 1/20 of terminal box inner face area.
As a further improvement on the present invention, described each vitreum is mutually isolated and bonds by casting glue.
Vitreum of the present invention and terminal box inner face bond by casting glue, and vitreum does not contact with terminal box inner face.
As a kind of optimal way of the present invention, described vitreum is spherical, also can adopt erose glass blocks, glass grain.
Second object of the present invention is to provide a kind of manufacture method of above-mentioned terminal box casting glue coagulation molding structure.
Above-mentioned purpose of the present invention realizes by the following technical solutions: a kind of manufacture method of above-mentioned terminal box casting glue coagulation molding structure, is characterized in that comprising the following steps:
(1) according to the always amount of pouring into of the depth calculation casting glue of terminal box, and obtain the total height of casting glue;
(2) determine Vitrea consumption;
(3) to injecting casting glue in terminal box, make its inner bottom surface that at least covers terminal box, and the liquid level of casting glue is less than the poor of the total height of casting glue and maximum vitreum particle diameter;
(4) in terminal box, put into vitreum;
(5) continuing to inject casting glue in terminal box makes vitreum be immersed in casting glue;
If 1. the liquid level of casting glue is the poor of the total height of casting glue and maximum vitreum particle diameter, proceed to step (7);
If 2. the liquid level of casting glue is less than the poor of the total height of casting glue and maximum vitreum particle diameter, proceed to step (6);
(6) continue to inject casting glue in terminal box until the liquid level of casting glue is the poor of the total height of casting glue and maximum glass blocks particle diameter, proceed to step (7);
(7) remaining vitreum is put into terminal box;
(8) continue in terminal box, to inject casting glue until the liquid level of casting glue reaches setting height.
(9) treat that casting glue sizing make complete.
The present invention adopts gradation to the method for injecting casting glue in terminal box, can keep by casting glue, being bondd between vitreum and be the state of isolation, and finally the height of casting glue can be controlled as setting height, can improve the capacity of heat transmission of casting glue, and keep good seal.
As a modification of the present invention, described step (7) in, at least the vitreum of half is immersed in casting glue.
As a further improvement on the present invention, completing steps (9) after, the contact area of vitreum and terminal box inner face is less than or equal to 1/20 of terminal box inner face area.
The present invention described step (8) in, described setting height is the height of the liquid level of casting glue while touching the inner top surface of terminal box.
The present invention described step (9) in, the time of described casting glue sizing is 4～12 hours.
Compared with prior art, the present invention has following significant effect:
(1) the present invention can regulate by adjusting casting glue and Vitrea usage ratio the capacity of heat transmission of casting glue, therefore, in specific terminal box usage space, can make the capacity of heat transmission of casting glue meet actual requirement by regulating, to improve the capacity of heat transmission, and seal of the present invention is good, can realizes the capacity of heat transmission and seal and all meet actual needs.
(2) cost of manufacture of the present invention is low, so good cost performance.
(3) the present invention adopts gradation to the method for injecting casting glue in terminal box, can keep by casting glue, being bondd between vitreum and be the state of isolation.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is the schematic diagram (not drawing the lid of terminal box) of coagulation molding structure of the present invention.
Embodiment
As shown in Figure 1, it is a kind of terminal box casting glue coagulation molding structure that improves the capacity of heat transmission of the present invention, comprise the casting glue 2 being potted in terminal box 1, in terminal box 1, be provided with electric component and electrode base 11, in casting glue 2, be distributed with several vitreums 3, vitreum 3 is spherical, and vitreum 3 is immersed in casting glue 2 and is bonded to one.In the present embodiment, each vitreum 3 is mutually isolated and bonds by casting glue.Vitreum 3 bonds by casting glue with terminal box 1 inner face, and vitreum 3 does not contact with terminal box 1 inner face.
A manufacture method for above-mentioned terminal box casting glue coagulation molding structure, comprises the following steps:
(1) according to the always amount of pouring into of the depth calculation casting glue of terminal box, and obtain the total height of casting glue;
(2) determine Vitrea consumption, comprise the following steps:
1. according to terminal box output current and box body inner wire resistance, calculate the electrothermal calefactive rate that obtains terminal box pyrotoxin;
2. according to electrothermal calefactive rate, determine the set point of the thermal transmission coefficient of the casting glue meeting the demands;
3. according to the set point of thermal transmission coefficient, tentatively determine Vitrea consumption;
4. again according to high ambient temperature, calculate the temperature of terminal box, judge whether to surpass own setting and close material temperature RTI or the requirement of heatproof limit;
If 5. surpassed, according to glass and casting glue specific volume, conductive coefficient, calculate again, determine Vitrea consumption and Vitrea size, return to step 4., if do not meet step 4., repeating step is 5. until meet.
(3) to injecting casting glue in terminal box, make its inner bottom surface that at least covers terminal box, and the liquid level of casting glue is less than the poor of the total height of casting glue and maximum vitreum particle diameter;
(4) in terminal box, put into vitreum;
(5) continuing to inject casting glue in terminal box makes vitreum be immersed in casting glue;
If 3. the liquid level of casting glue is the poor of the total height of casting glue and maximum vitreum particle diameter, proceed to step (7);
If 4. the liquid level of casting glue is less than the poor of the total height of casting glue and maximum vitreum particle diameter, proceed to step (6);
(6) continue to inject casting glue in terminal box until the liquid level of casting glue is the poor of the total height of casting glue and maximum glass blocks particle diameter, proceed to step (7);
(7) remaining vitreum is put into terminal box, at least the vitreum of half is immersed in casting glue;
(8) continue in terminal box, to inject casting glue until the liquid level of casting glue reaches setting height, in the present embodiment, setting height is the height of the liquid level of casting glue while touching the inner top surface of terminal box.
(9) treat casting glue sizing, shaping time is 8 hours, makes completely, and the contact area of vitreum and terminal box inner face is less than or equal to 1/20 of terminal box inner face area.
The present invention can regulate by adjusting casting glue and Vitrea usage ratio the capacity of heat transmission of casting glue, therefore, in specific terminal box usage space, can make the capacity of heat transmission of casting glue meet actual requirement by regulating, to improve the capacity of heat transmission, and seal of the present invention is good, can realizes the capacity of heat transmission and seal and all meet actual needs.
Embodiments of the present invention are not limited to this, according to foregoing of the present invention, according to ordinary skill knowledge and the customary means of this area, are not departing under the above-mentioned basic fundamental thought of the present invention prerequisite, and the time of casting glue sizing of the present invention is 4～12 hours.Therefore the present invention can also make modification, replacement or the change of other various ways, within all dropping on rights protection scope of the present invention.
Claims (10)
1. a terminal box casting glue coagulation molding structure that improves the capacity of heat transmission, comprises the casting glue being potted in terminal box, it is characterized in that: in described casting glue, be distributed with several vitreums, described vitreum is immersed in casting glue and is bonded to one.
2. terminal box casting glue coagulation molding structure according to claim 1, is characterized in that: the contact area of described vitreum and terminal box inner face is less than or equal to 1/20 of terminal box inner face area.
3. terminal box casting glue coagulation molding structure according to claim 2, is characterized in that: described each vitreum is mutually isolated and bonds by casting glue.
4. terminal box casting glue coagulation molding structure according to claim 3, is characterized in that: described vitreum and terminal box inner face bond by casting glue, and vitreum does not contact with terminal box inner face.
5. according to the terminal box casting glue coagulation molding structure described in claim 1～4 any one, it is characterized in that: described vitreum is spherical.
6. a manufacture method that improves the terminal box casting glue coagulation molding structure of the capacity of heat transmission described in claim 1, is characterized in that comprising the following steps:
(1) according to the always amount of pouring into of the depth calculation casting glue of terminal box, and obtain the total height of casting glue;
(2) determine Vitrea consumption;
(3) to injecting casting glue in terminal box, make its inner bottom surface that at least covers terminal box, and the liquid level of casting glue is less than the poor of the total height of casting glue and maximum vitreum particle diameter;
(4) in terminal box, put into vitreum;
(5) continuing to inject casting glue in terminal box makes vitreum be immersed in casting glue;
If 1. the liquid level of casting glue is the poor of the total height of casting glue and maximum vitreum particle diameter, proceed to step (7);
If 2. the liquid level of casting glue is less than the poor of the total height of casting glue and maximum vitreum particle diameter, proceed to step (6);
(6) continue to inject casting glue in terminal box until the liquid level of casting glue is the poor of the total height of casting glue and maximum glass blocks particle diameter, proceed to step (7);
(7) remaining vitreum is put into terminal box;
(8) continue in terminal box, to inject casting glue until the liquid level of casting glue reaches setting height;
(9) treat that casting glue sizing make complete.
7. manufacture method according to claim 6, is characterized in that: described step (7) in, at least the vitreum of half is immersed in casting glue.
8. according to the manufacture method described in claim 6 or 7, it is characterized in that: completing steps (9) after, the contact area of vitreum and terminal box inner face is less than or equal to 1/20 of terminal box inner face area.
9. manufacture method according to claim 8, is characterized in that: described step (8) in, described setting height is the height of the liquid level of casting glue while touching the inner top surface of terminal box.
10. manufacture method according to claim 9, is characterized in that: described step (9) in, the time of described casting glue sizing is 4～12 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310451486.6A CN103545390B (en) | 2013-09-27 | 2013-09-27 | Improve rosette casting glue coagulation molding structure of the capacity of heat transmission and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310451486.6A CN103545390B (en) | 2013-09-27 | 2013-09-27 | Improve rosette casting glue coagulation molding structure of the capacity of heat transmission and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103545390A true CN103545390A (en) | 2014-01-29 |
| CN103545390B CN103545390B (en) | 2016-08-17 |
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| CN201310451486.6A Active CN103545390B (en) | 2013-09-27 | 2013-09-27 | Improve rosette casting glue coagulation molding structure of the capacity of heat transmission and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1359137A (en) * | 2001-12-29 | 2002-07-17 | 葛世潮 | Super heat-conductive pipe lamp |
| CN1388636A (en) * | 2001-05-30 | 2003-01-01 | 佳能株式会社 | Power converter, photovoltaic element assembly and power generation equipment using the same assembly |
| WO2012102540A2 (en) * | 2011-01-24 | 2012-08-02 | (주)Lg화학 | Photovoltaic cell module |
| CN202616258U (en) * | 2012-04-09 | 2012-12-19 | 中电电气(上海)太阳能科技有限公司 | Pouring sealant type junction box photovoltaic component |
| WO2013065851A1 (en) * | 2011-11-04 | 2013-05-10 | ダイキン工業株式会社 | Coating material, coating film, backsheet for solar cell module, and solar cell module |
-
2013
- 2013-09-27 CN CN201310451486.6A patent/CN103545390B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1388636A (en) * | 2001-05-30 | 2003-01-01 | 佳能株式会社 | Power converter, photovoltaic element assembly and power generation equipment using the same assembly |
| CN1359137A (en) * | 2001-12-29 | 2002-07-17 | 葛世潮 | Super heat-conductive pipe lamp |
| WO2012102540A2 (en) * | 2011-01-24 | 2012-08-02 | (주)Lg화학 | Photovoltaic cell module |
| WO2013065851A1 (en) * | 2011-11-04 | 2013-05-10 | ダイキン工業株式会社 | Coating material, coating film, backsheet for solar cell module, and solar cell module |
| CN202616258U (en) * | 2012-04-09 | 2012-12-19 | 中电电气(上海)太阳能科技有限公司 | Pouring sealant type junction box photovoltaic component |
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| Publication number | Publication date |
|---|---|
| CN103545390B (en) | 2016-08-17 |
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