CN102544164B - Photovoltaic bypass integrated protection device - Google Patents
Photovoltaic bypass integrated protection device Download PDFInfo
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- CN102544164B CN102544164B CN201210053931.9A CN201210053931A CN102544164B CN 102544164 B CN102544164 B CN 102544164B CN 201210053931 A CN201210053931 A CN 201210053931A CN 102544164 B CN102544164 B CN 102544164B
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- substrate
- annular seal
- containing cavity
- seal space
- protection device
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- 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
Abstract
The invention discloses a photovoltaic bypass integrated protection device. The device comprises a main body with both an accommodating cavity and a sealed cavity; an operating circuit module comprises a substrate with built-in operating circuits extending from one side surface of the substrate to form a plurality of first pins, and two second pins extend from the other side surface of the substrate; each first pin is provided with a bent end surface and arranged in the sealed cavity; a positioning groove of a bus-bar is formed in the sealed cavity, and a compression strip is embedded into the positioning groove through a spring leaf, so as to realize electric conduction between the bus-bar and the bent end surfaces of the first pins; a plurality of through holes are formed on the upper cover of the accommodating cavity; the front segment of the substrate is embedded into a ring-shaped radiator; and the ring-shaped radiator and the front segment of the substrate are embedded into the accommodating cavity to form an open heat dissipation space. The protection device provided by the invention reduces electric connection contacts, lowers the abnormity probability and resistance loss, and not only ensures the heat dissipation but also realizes favorable airtightness according to the difference among the component parts.
Description
Technical field
The present invention relates to a kind of photovoltaic bypass integrated protection device, belong to field of solar thermal power generation field.
Background technology
A kind of transition apparatus that solar photovoltaic generation system need to adopt bypass protector that solar panel lead-in wire and external lead wire are coupled together; inside is generally provided with multiple bypass diodes, and this bypass diode is used for preventing that reverse charging from damaging battery and preventing that the photocell from opening circuit causes whole battery pack to use.Photovoltaic module bypass integrated protection device is the crucial jockey that solar components is made system, and the effect of device is to prevent that solar components part from producing hot spot effect while being blocked.If damaging or connect not firm meeting, bypass protector cause bypass protector normally to work; thereby in the time that solar components part is blocked; whole solar components system is with regard to cisco unity malfunction; hot spot effect can make cell piece produce a large amount of heats; serious meeting burns out assembly; therefore in photovoltaic device, the status of bypass protector is extremely important.
The shortcoming of same device structure is, during due to loading busbar, device entirety must first gluing to photovoltaic module surface, therefore, in the process of installing, operation easier is larger, correspondingly, once needs detaching device, just this fixed strip need to be pulled down from the surface of photovoltaic module, not only may destroy joint face, and process be loaded down with trivial details; Again, existing apparatus, as the application number Chinese patent that is 201110297543.0, the binding post of its link block stretches in annular seal space and is arranged in the pin both sides of operating circuit module (201) for being connected with busbar, between binding post and pin, realized and being electrically connected by brace, therefore volume is larger, and the length of cable is longer, too much electrical connection contact, has increased abnormal probability and resistance loss greatly; Meanwhile, be badly in need of a kind of solar photovoltaic generation system bypass protector with good waterproof, protection against the tide and heat dispersion.
Summary of the invention
For overcoming above-mentioned shortcoming, the object of the present invention is to provide a kind of photovoltaic bypass integrated protection device, this device has reduced volume, and has saved cable materials, has reduced electrical connection contact, has reduced abnormal probability and resistance loss; Effectively place from the steam of binding post and entered annular seal space, thereby further reduced abnormal probability; According to each components difference, not only ensure thermal diffusivity but also realized good air-tightness.
In order to reach above object, the technical solution used in the present invention is: a kind of photovoltaic bypass integrated protection device, comprise the body with containing cavity and annular seal space, sealing chamber and extraneous gas-liquid sealing, described operating circuit module comprises that substrate, this operating circuit of being built-in with operating circuit extend several the first pins from substrate one side, extend two the second pins from substrate another side, described the first pin has bending end face and is arranged at described annular seal space inside;
In described annular seal space, be provided with the detent of the busbar for placing described photovoltaic module, the bending end face of described the first pin is positioned at described detent, and a compression bar is embedded in described detent and conducted with the bending end face of realizing busbar and the first pin by spring leaf;
Described containing cavity upper cover has some through holes, described substrate leading portion embeds in the annular radiator that an outer surface has several radiating fins, this annular radiator and substrate leading portion embed in this containing cavity, thereby form open heat-dissipating space, first glue injection cavities of base plate rear section between containing cavity and annular seal space, containing cavity front end has respectively two the second glue injection cavities of placing binding post and the second pin, and described the first glue injection cavities and the second glue injection cavities are all filled with fluid sealant.
As further improvement, described annular seal space upper end has lid, seals fixing between this lid and body end face by sealing ring.
As further improvement, on described lid, be provided with buckle, described lid makes it be fixed on described body interior by buckle.
As further improvement, described compression bar both sides are provided with buckle, and described compression bar is fixed on described body it by buckle.
As further improvement, described the second pin extends containing cavity outer wall, leaves distance, to prevent that water vapour from entering described device from binding post thereby binding post is positioned at described the second glue injection cavities middle part with described containing cavity outer wall.
As further improvement, described annular radiator outer surface has several radiating fins.
As further improvement, described detent is shaped in described body bottom.
As further improvement, described busbar is covered in detent both sides walk around the basal wall of described detent from annular seal space bottom enters described annular seal space after.
Because technique scheme is used, the present invention compared with prior art has following advantages and effect:
Bypass integrated protection device of the present invention has reduced volume, and has saved cable materials, has reduced electrical connection contact, has reduced abnormal probability and resistance loss, secondly, described containing cavity upper cover has some through holes, described substrate leading portion embeds in the annular radiator that an outer surface has several radiating fins, this annular radiator and substrate leading portion embed in this containing cavity, thereby form open heat-dissipating space, first glue injection cavities of base plate rear section between containing cavity and annular seal space, containing cavity front end has respectively two the second glue injection cavities of placing binding post and the second pin, described the first glue injection cavities and the second glue injection cavities are all filled with fluid sealant, both ensured operating circuit module heat dissipating, ensure to be again placed with the annular seal space air-tightness of busbar and the first pin, again, the second glue injection cavities is positioned at containing cavity outer wall front end, thereby described binding post is positioned at described the second glue injection cavities middle part leaves distance with described containing cavity outer wall, has effectively placed from the steam of binding post and has entered annular seal space, thereby further reduced abnormal probability.
Brief description of the drawings
The schematic perspective view that accompanying drawing 1 is photovoltaic bypass integrated protection device of the present invention;
Accompanying drawing 2 is photovoltaic bypass integrated protection device structure schematic diagram of the present invention;
The decomposing schematic representation that accompanying drawing 3 is photovoltaic bypass integrated protection device of the present invention;
The profile that accompanying drawing 4 is photovoltaic bypass integrated protection device of the present invention;
The partial perspective view that accompanying drawing 5 is photovoltaic bypass integrated protection device of the present invention
Accompanying drawing 6 is operating circuit module of the present invention and annular radiator structural representation.
In above accompanying drawing: 1, body; 2, operating circuit module; 3, radiating module; 41,42, link block; 43, binding post; 5, containing cavity; 6, annular seal space; 7, substrate; 8, the first pin; 9, the second pin; 10, bending end face; 11, radiating fin; 12, annular radiator; 13, the first glue injection cavities; 14, the second glue injection cavities; 15, busbar; 16, detent; 17, compression bar; 18, spring leaf; 19, lid; 20, sealing ring; 21, buckle; 22, buckle; 23, basal wall; 24, through hole; 25, leading portion; 26, rear end.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
Referring to accompanying drawing 1, photovoltaic bypass integrated protection device in the present embodiment, comprises the link block 41,42 with binding post 43, has the body 1 of containing cavity 5 and annular seal space 6; Sealing chamber 6 and extraneous gas-liquid sealing, described operating circuit module 2 comprises that substrate 7, this operating circuit of being built-in with operating circuit extend several the first pins 8 from substrate 7 one sides, extend two the second pins 9 from substrate 7 another sides, described the first pin 8 has bending end face 10 and is arranged at described annular seal space 6 inside;
Described containing cavity 5 upper covers have some through holes 24, described substrate 7 leading portions 25 embed in the annular radiator 12 that an outer surface has several radiating fins 11, this annular radiator 12 and substrate 7 leading portions 25 embed in this containing cavity 5, thereby form open heat-dissipating space, first glue injection cavities 13 of substrate 7 back segments 26 between containing cavity 5 and annular seal space 6, containing cavity 5 front ends have respectively two the second glue injection cavities 14 of placing binding post 43 and the second pin 9, and described the first glue injection cavities 13 and the second glue injection cavities 14 are all filled with fluid sealant;
In described annular seal space 6, be provided with the detent 16 of the busbar 15 for placing described photovoltaic module, the bending end face 10 of described the first pin 8 is positioned at described detent 16, one compression bars 17 and is embedded in described detent 16 and conducted with the bending end face 10 of realizing busbar 15 and the first pin 8 by spring leaf 18.
Above-mentioned annular seal space 6 upper ends have lid 19, fixing by sealing ring 20 sealings between this lid 19 and body 1 end face.
On above-mentioned lid 19, be provided with buckle 21, described lid fixes itself and described body 1 by buckle 21.
Above-mentioned compression bar 17 both sides are provided with buckle 22, and described compression bar 17 is fixed on described body 1 it by buckle 22.
Above-mentioned the second pin 9 extends containing cavity 5 outer walls, leaves distance thereby described binding post 43 is positioned at described the second glue injection cavities 14 middle parts with described containing cavity 5 outer walls, with prevent water vapour from then on binding post 43 enter described annular seal space 6.
Above-mentioned detent 16 is shaped in described body 1 bottom.
Above-mentioned busbar 15 is covered in detent 16 both sides walk around the basal wall 23 of described detent 16 from annular seal space 6 bottoms enter described annular seal space 6 after.
While adopting above-mentioned photovoltaic bypass integrated protection device, device has reduced volume, and has saved cable materials, has reduced electrical connection contact, has reduced abnormal probability and resistance loss, secondly, described containing cavity upper cover has some through holes, described substrate leading portion embeds in the annular radiator that an outer surface has several radiating fins, this annular radiator and substrate leading portion embed in this containing cavity, thereby form open heat-dissipating space, first glue injection cavities of base plate rear section between containing cavity and annular seal space, containing cavity front end has respectively two the second glue injection cavities of placing binding post and the second pin, described the first glue injection cavities and the second glue injection cavities are all filled with fluid sealant, both ensured operating circuit module heat dissipating, ensure to be again placed with the annular seal space air-tightness of busbar and the first pin, again, the second glue injection cavities is positioned at containing cavity outer wall front end, thereby described binding post is positioned at described the second glue injection cavities middle part leaves distance with described containing cavity outer wall, has effectively placed from the steam of binding post and has entered annular seal space, thereby further reduced abnormal probability.
Above execution mode is only explanation technical conceive of the present invention and feature; its object is to allow person skilled in the art understand content of the present invention and implemented; can not limit the scope of the invention with this; all equivalences that Spirit Essence does according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (1)
1. a photovoltaic bypass integrated protection device, is characterized in that: the body (1) that comprises have containing cavity (5) and annular seal space (6); Sealing chamber (6) and extraneous gas-liquid sealing, operating circuit module (2) comprises that substrate (7), this operating circuit of being built-in with operating circuit extend several the first pins (8) from substrate (7) one sides, extend two the second pins (9) from substrate (7) another side, described the first pin (8) has bending end face (10) and is arranged at described annular seal space (6) inside;
In described annular seal space (6), be provided with the detent (16) for placing busbar (15), the bending end face (10) of described the first pin (8) is positioned at described detent (16), and a compression bar (17) is embedded in described detent (16) and conducted with the bending end face (10) of realizing busbar (15) and the first pin (8) by spring leaf (18);
Described containing cavity (5) upper cover has some through holes (24), one radiating module (3) has the annular radiator (12) of several radiating fins (11) for outer surface, described substrate (7) leading portion (25) embeds in this annular radiator (12), this annular radiator (12) and substrate (7) leading portion (25) embed in this containing cavity (5), thereby form open heat-dissipating space, substrate (7) back segment (26) is positioned at the first glue injection cavities (13) between containing cavity (5) and annular seal space (6), containing cavity (5) front end has respectively two the second glue injection cavities (14) of placing binding post (43) and the second pin (9), described the first glue injection cavities (13) and the second glue injection cavities (14) are all filled with fluid sealant, described the second pin (9) extends containing cavity (5) outer wall, described binding post (43) be positioned at described the second glue injection cavities (14) thus middle part leave distance with described containing cavity (5) outer wall, with prevent water vapour from then on binding post (43) enter described annular seal space (6), described busbar (15) is covered in detent (16) both sides walk around the basal wall (23) of described detent (16) from annular seal space (6) bottom enters described annular seal space (6) after.
2. photovoltaic bypass integrated protection device according to claim 1, is characterized in that: described annular seal space (6) upper end has lid (19), fixing by sealing ring (20) sealing between this lid (19) and body (1) end face; On described lid (19), be provided with buckle (21), described lid fixes itself and described body (1) by buckle (21).
3. photovoltaic bypass integrated protection device according to claim 1, is characterized in that: described compression bar (17) both sides are provided with buckle (22), and described compression bar (17) is fixed on described body (1) it by buckle (22).
4. photovoltaic bypass integrated protection device according to claim 1, is characterized in that: described detent (16) is shaped in described body (1) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210053931.9A CN102544164B (en) | 2012-03-02 | 2012-03-02 | Photovoltaic bypass integrated protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210053931.9A CN102544164B (en) | 2012-03-02 | 2012-03-02 | Photovoltaic bypass integrated protection device |
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| Publication Number | Publication Date |
|---|---|
| CN102544164A CN102544164A (en) | 2012-07-04 |
| CN102544164B true CN102544164B (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210053931.9A Active CN102544164B (en) | 2012-03-02 | 2012-03-02 | Photovoltaic bypass integrated protection device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456699B (en) * | 2013-09-29 | 2016-03-30 | 中国兵器工业集团第二一四研究所苏州研发中心 | Integrated circuit package structure and method for packing thereof |
| CN106899267B (en) * | 2017-05-08 | 2018-10-02 | 浙江电腾云光伏科技有限公司 | A kind of photovoltaic terminal box |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101388530A (en) * | 2008-07-04 | 2009-03-18 | 励国庆 | Wiring box |
| CN101976970A (en) * | 2010-07-30 | 2011-02-16 | 陈新初 | Photovoltaic assembly junction box |
| CN102169913A (en) * | 2011-02-14 | 2011-08-31 | 苏州桑斯达光伏电子有限公司 | Junction box of solar photovoltaic component |
| CN102306672A (en) * | 2011-09-30 | 2012-01-04 | 苏州固锝新能源科技有限公司 | Modular junction box |
-
2012
- 2012-03-02 CN CN201210053931.9A patent/CN102544164B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101388530A (en) * | 2008-07-04 | 2009-03-18 | 励国庆 | Wiring box |
| CN101976970A (en) * | 2010-07-30 | 2011-02-16 | 陈新初 | Photovoltaic assembly junction box |
| CN102169913A (en) * | 2011-02-14 | 2011-08-31 | 苏州桑斯达光伏电子有限公司 | Junction box of solar photovoltaic component |
| CN102306672A (en) * | 2011-09-30 | 2012-01-04 | 苏州固锝新能源科技有限公司 | Modular junction box |
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| CN102544164A (en) | 2012-07-04 |
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