CN102544163B - Photovoltaic bypass protection device - Google Patents
Photovoltaic bypass protection device Download PDFInfo
- Publication number
- CN102544163B CN102544163B CN201210053560.4A CN201210053560A CN102544163B CN 102544163 B CN102544163 B CN 102544163B CN 201210053560 A CN201210053560 A CN 201210053560A CN 102544163 B CN102544163 B CN 102544163B
- Authority
- CN
- China
- Prior art keywords
- pin
- protection device
- substrate
- seal space
- glue injection
- 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.)
- Active
Links
Images
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
-
- 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 protection device. The photovoltaic bypass protection device comprises a main body, an operating circuit module, a heat radiating module and a connecting module with a wiring terminal, wherein the main body is provided with an accommodating cavity and a sealed cavity; the operating circuit module comprises a first pin and a second pin; the front segment of a substrate is embedded into a ring-shaped radiator with a plurality of radiating fins arranged on the outer surface; the ring-shaped radiator and the front segment of the substrate are embedded into the accommodating cavity; the rear segment of the substrate is positioned in a first glue injection cavity between the accommodating cavity and the seal cavity; a second glue injection cavity for placing both the wiring terminal and the second pin is formed at the front end of the accommodating cavity; the first glue injection cavity and the second glue injection cavity are filled with sealant; and the bent end surface of the first pin is positioned in a positioning groove. The photovoltaic bypass protection device provided by the invention has the advantages of reduced size, lower cable consumption, less electric connection contacts, and low abnormity probability and resistance loss, and the sealed cavity preventing water vapor from the wiring terminal to enter is effectively arranged.
Description
Technical field
The present invention relates to a kind of photovoltaic bypass protection device, belong to photovoltaic field.
Background technology
Photovoltaic cell is solar radiation energy to be directly changed into the device of electric energy, and photovoltaic module is connected by a plurality of photovoltaic cells just and encapsulates the product forming, and is the elementary cell of battery array in photovoltaic generating system.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, protective device cause protective device to work; thereby when 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 photovoltaic bypass protection device is extremely important.
In prior art, the shortcoming of same device structure is, owing to loading busbar, device integral body 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 is 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, by brace, realized and being electrically connected to, so volume is larger, the length of cable is longer, too much electrical connection contact, has increased abnormal probability and resistance loss greatly.
Summary of the invention
For overcoming above-mentioned shortcoming, the object of the present invention is to provide a kind of photovoltaic bypass protection device, this photovoltaic bypass protection device has reduced volume, and has saved cable materials, has reduced electrical connection contact, has reduced abnormal probability and resistance loss; The steam of effectively having placed from binding post enters annular seal space, thereby has further reduced abnormal probability.
In order to reach above object, the technical solution used in the present invention is: a kind of photovoltaic bypass protection device, comprise body, operating circuit module, radiating module, the link block with binding post, it is characterized in that: described body has containing cavity and annular seal space, sealing chamber and extraneous gas-liquid sealing, described operating circuit module comprises the substrate that is built-in with operating circuit, this operating circuit extends several the first pins from substrate one side, from substrate another side, extend two the second pins, described the first pin has bending end face and is arranged at described annular seal space inner,
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;
In described annular seal space, be provided with for placing the detent of the busbar of 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 to realize the bending end face of busbar and the first pin by spring leaf.
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:
The present invention has reduced photovoltaic bypass protection device volume, and has saved cable materials, has reduced electrical connection contact, has reduced abnormal probability and resistance loss; Secondly, 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, and the steam of effectively having placed from binding post enters annular seal space, thereby has further reduced abnormal probability.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic perspective view of photovoltaic bypass protection device of the present invention;
Accompanying drawing 2 is photovoltaic bypass protection device structure schematic diagram of the present invention;
Accompanying drawing 3 is the decomposing schematic representation of photovoltaic bypass protection device of the present invention;
Accompanying drawing 4 is the profile of photovoltaic bypass protection device of the present invention;
Accompanying drawing 5 is the partial perspective view of photovoltaic bypass 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, rear end; 25, leading portion.
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 1-6, photovoltaic bypass protection device in the present embodiment, comprises body 1, operating circuit module 2, radiating module 3, has the link block 41,42 of binding post 43, and described body 1 has 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, from substrate 7 another sides, extend two the second pins 9, described the first pin 8 has bending end face 10 and is arranged at described annular seal space 6 inside;
Described substrate 7 leading portions 25 embed an outer surface to be had in the annular radiator 12 of several radiating fins 11, this annular radiator 12 and substrate 7 leading portions 25 embed in this containing cavity 5, first glue injection cavities 13 of substrate 7 back segments 24 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 for placing the detent 16 of the busbar 15 of 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 to realize the bending end face 10 of 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, thereby described binding post 43 is positioned at described the second glue injection cavities 14 middle parts, leaves distance 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 protection device, reduce volume, and saved cable materials, reduced electrical connection contact, reduced abnormal probability and resistance loss; Secondly, the steam of effectively having placed from binding post enters annular seal space, thereby has 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 is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (5)
1. a photovoltaic bypass protection device, comprise body (1), operating circuit module (2), radiating module (3), there is the link block (41 of binding post (43), 42), it is characterized in that: described body (1) has 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, from substrate (7) another side, extend two the second pins (9), described the first pin (8) has bending end face (10) and is arranged at described annular seal space (6) inside;
Described 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), substrate (7) back segment (24) 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,
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), and a compression bar (17) is embedded in described detent (16) and conducted to realize the bending end face (10) of busbar (15) and the first pin (8) by spring leaf (18); 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 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.
3. photovoltaic bypass protection device according to claim 2, is characterized in that: on described lid (19), be provided with buckle (21), described lid fixes itself and described body (1) by buckle (21).
4. photovoltaic bypass 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).
5. photovoltaic bypass 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 |
|---|---|---|---|
| CN201210053560.4A CN102544163B (en) | 2012-03-02 | 2012-03-02 | Photovoltaic bypass protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210053560.4A CN102544163B (en) | 2012-03-02 | 2012-03-02 | Photovoltaic bypass protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102544163A CN102544163A (en) | 2012-07-04 |
| CN102544163B true CN102544163B (en) | 2014-01-22 |
Family
ID=46350608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210053560.4A Active CN102544163B (en) | 2012-03-02 | 2012-03-02 | Photovoltaic bypass protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102544163B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810589A (en) * | 2012-08-09 | 2012-12-05 | 苏州乐开塑胶模具有限公司 | Photovoltaic module junction box |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976970A (en) * | 2010-07-30 | 2011-02-16 | 陈新初 | Photovoltaic assembly junction box |
| CN102118011A (en) * | 2009-12-31 | 2011-07-06 | 江苏尚昆光伏科技有限公司 | Split series solar 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 |
-
2012
- 2012-03-02 CN CN201210053560.4A patent/CN102544163B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102118011A (en) * | 2009-12-31 | 2011-07-06 | 江苏尚昆光伏科技有限公司 | Split series solar junction 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102544163A (en) | 2012-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101976970B (en) | Photovoltaic assembly junction box | |
| CN101630821B (en) | Magnesium-aluminum alloy photovoltaic cell junction box | |
| EA201001374A1 (en) | DEVICE OF EXTERNAL ELECTRICAL CONNECTION OF ELECTRICALLY ACTIVE ELEMENTS OF ELECTRICALLY ACTIVE PANEL, SUCH AS ELECTRO-GENERATING ELEMENTS OF A PHOTOELECTRIC PANEL | |
| CN102804396A (en) | Terminal box for solar cell module | |
| CN102054888B (en) | Photovoltaic assembly junction box | |
| CN202496159U (en) | Installation structure for motor controller component | |
| CN102420544A (en) | Integral-type injection molding junction box and manufacturing method thereof | |
| CN102544163B (en) | Photovoltaic bypass protection device | |
| CN102544164B (en) | Photovoltaic bypass integrated protection device | |
| CN202496166U (en) | Motor controller component | |
| CN202549875U (en) | Bypass protection device used for photovoltaic battery panel | |
| CN204013385U (en) | A kind of photovoltaic junction box bypass diode circuit module of device | |
| CN201796909U (en) | Photovoltaic component junction box | |
| CN100511717C (en) | Terminal box for solar battery assembly | |
| CN102306672B (en) | Modular junction box | |
| CN202496162U (en) | Circuit fixing structure for motor controller component | |
| CN105991090A (en) | All-glue-pouring photovoltaic connecting box with three-side ventilation bottom and inverted and suspended internal diode | |
| CN201781443U (en) | Photovoltaic module junction box | |
| CN201877450U (en) | Photovoltaic module junction box | |
| CN201860274U (en) | Integral injection molded junction box | |
| CN109287133A (en) | Solar junction box | |
| CN201781441U (en) | Cable sealing mechanism of photovoltaic component junction box | |
| CN202259372U (en) | Modularized junction box | |
| CN201796931U (en) | Sealing mechanism of photovoltaic module junction box | |
| CN201781442U (en) | Cable fixing mechanism of photovoltaic module junction box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |