CN202601671U - Photovoltaic junction box - Google Patents
Photovoltaic junction box Download PDFInfo
- Publication number
- CN202601671U CN202601671U CN2012201736004U CN201220173600U CN202601671U CN 202601671 U CN202601671 U CN 202601671U CN 2012201736004 U CN2012201736004 U CN 2012201736004U CN 201220173600 U CN201220173600 U CN 201220173600U CN 202601671 U CN202601671 U CN 202601671U
- Authority
- CN
- China
- Prior art keywords
- junction box
- photovoltaic junction
- cover plate
- upper cover
- encapsulating
- 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.)
- Expired - Fee Related
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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
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- Photovoltaic Devices (AREA)
Abstract
The utility model relates to a photovoltaic junction box. The photovoltaic junction box comprises a box body and a box cover matched with the box body, wherein the box cover comprises a cover body portion and a side plate portion formed by a portion extending downwards from the edge of the cover body portion, wherein the cover body portion is provided with a glue-pouring zone which penetrates the cover body portion. The box cover further comprises an upper cover plate used for shielding the glue-pouring zone, wherein the upper cover plate is in buckling connection with the cover body portion. Compared with the prior art, the photovoltaic junction box provided by the utility model can realize fast installation of the upper cover plate through the buckling connection; with the photovoltaic junction box, a follow-up glue-pouring process can be performed without waiting; and at the same time, the buckling connection can protect the upper cover plate from being affected by a surrounding environment such that the connection reliability of the upper cover plate can be guaranteed.
Description
Technical field
The utility model relates to a kind of photovoltaic junction box.
Background technology
Inexhaustible solar energy is just favored by increasing people.Solar energy power generating is more listed in new energy development utilization plan by many countries, and application quantity enlarges year by year.The photovoltaic junction box that generally uses at present comprises box body and the lid that cooperates with this box body, the encapsulating district is arranged and in order to cover the upper cover plate in this encapsulating district, before encapsulating in lid part operated by rotary motion; Generally need to cover the encapsulating district with upper cover plate earlier, and then carry out encapsulating, in present technology through the glue filling opening on the upper cover plate; Upper cover plate generally is fixed on the lid through the mode of a glue; Thereby and colloid hardening fixed cover plate and lid when generally needing the regular hour behind the some glue, simultaneously because the colloid that some glue uses had the fusing point of a bit crossing, when temperature is too high when encapsulating; Make the colloid fusing of invocation point glue easily, thus can't fixed cover plate and lid.
Summary of the invention
The purpose of the utility model is to provide a kind of realization Fast Installation upper cover plate and connects reliable photovoltaic junction box.
For realizing aforementioned purpose; The utility model adopts following technical scheme: a kind of photovoltaic junction box; Comprise box body, the lid that cooperates with box body, said lid comprises cover body part, from the side plate that the cover body part edge extends to form downwards, and said cover body part has the encapsulating district of running through cover body part; Said lid comprises that also said upper cover plate buckle connects said cover body part in order to cover the upper cover plate in encapsulating district.
As the further improvement of the utility model, said upper cover plate comprises loam cake body and the trip that extends to form towards the encapsulating district from the loam cake body, is provided with in the said encapsulating district in order to fasten the buckle of trip.
As the further improvement of the utility model, said encapsulating district comprises the encapsulating mouth and is formed on the edge portion at encapsulating mouth edge, the said concave shaped one-tenth downwards that is snapped in said edge the district in.
As the further improvement of the utility model, said edge portion bottom surface has in order to prevent the support portion of said edge portion distortion.
As the further improvement of the utility model, said upper cover plate comprises that also one connects said loam cake body to realize the glue filling opening of process for filling colloid into.
As the further improvement of the utility model, said glue filling opening extends to form an encapsulating post from said loam cake body bottom surface towards box body.
As the further improvement of the utility model, said upper cover plate also comprises from loam cake body bottom surface and to extend towards the encapsulating district with fixing first fin of encapsulating post.
As the further improvement of the utility model, said glue filling opening has the horn-like port that indent is formed on loam cake body end face.
As the further improvement of the utility model, said upper cover plate also comprises the louvre that connects said loam cake body.
As the further improvement of the utility model, said upper cover plate has one from the said loam cake body arc-shaped protrusions zone that evagination forms that makes progress, and said glue filling opening and louvre are distributed in the said arc-shaped protrusions zone.
Compared with prior art; The utility model connects through buckle can realize that speed installs the purpose of cover plate; Thereby need not to wait for to carry out follow-up process for filling colloid into, and this buckle connects and can also guarantee that upper cover plate can not receive surrounding environment influence and influence the connection reliability of upper cover plate after installation simultaneously.
Description of drawings
Fig. 1 is a photovoltaic junction box structural representation in the utility model embodiment.
Fig. 2 is the explosive view of Fig. 1.
Fig. 3 is the part component-assembled figure of Fig. 1 photovoltaic junction box.
Fig. 4 is the structural representation of lid among Fig. 1.
The structural representation that Fig. 5 observes on other direction for lid among Fig. 4.
Embodiment
See also Fig. 1; A kind of photovoltaic junction box; The cable that comprise box body 2, the lid 1 that cooperates with box body 2, be arranged at copper coin 5 in the box body 2, four bands (not shown) that conflux, two electrically connects copper coins 5 and in order to cable 8 by the cable trough in the outside introducing of the photovoltaic junction box photovoltaic junction box box; In this cable trough 8, four of containing section cables conflux the band respectively with copper coin 2 on the 51 man-to-man electric connections of four metal links.
See also Fig. 4,5; Said lid 1 comprise cover body part 11, the side plate 12 that extends to form downwards from cover body part 11 edges and with the upper cover plate 14 that is connected at cover body part 11 buckles; Cover body part 11 has the encapsulating district 13 of running through this cover body part 11, and upper cover plate 14 is used to cover this encapsulating district 13.In the present embodiment; Buckle between cover body part 11 and the upper cover plate 14 connects the following mode of employing: said upper cover plate 14 comprises loam cake body 141 and the trip 142 that extends to form towards encapsulating district 13 from loam cake body 141, is provided with in this encapsulating district 13 in order to fasten the buckle 134 of trip 142.Said encapsulating district 13 comprises encapsulating mouth 131, is formed on the edge portion 132 at encapsulating mouth 131 edges and is arranged on edge portion 132 bottom surfaces in order to prevent the support portion 133 of edge portion 132 distortion that said buckle 134 downward concave shaped in said edge district 132 becomes.
Said upper cover plate 14 comprises that also the louvre 146 and that connects loam cake body 141 is in order to realize the glue filling opening 143 of process for filling colloid into; This glue filling opening 143 extends to form an encapsulating post 144 and first fin 145 towards box body 2 with encapsulating district 131 respectively from loam cake body 141 bottom surfaces; This first fin 145 is in order to fixing this encapsulating post 144, and this glue filling opening 143 has the horn-like port one 431 that indent is formed on loam cake body 141 end faces.Said upper cover plate 14 has one from the loam cake body 141 arc-shaped protrusions zone 148 that forms of evagination upwards; Glue filling opening 143 is distributed in this arc-shaped protrusions zone 148 with louvre 146; Also extend to form in order to strengthen second fin 149 of upper cover plate 14 intensity towards encapsulating district 131 in loam cake body 141 bottom surfaces; This second fin 149 is positioned at louvre 146 belows, because louvre 146 is arranged in the arc-shaped protrusions zone 148, so second fin 149 can not stop up louvre 146.
See also Fig. 2,3; Said box body 2 comprises the installation portion 22 that is used to install copper coin 5, extends upward the sidepiece 26 of formation from installation portion 22 edges, runs through the open region 23 of box body 2 and the base 27 that extends to form from installation portion 22 edges downwards; Said open region 23 is enclosed by installation portion 22 and sidepiece 26 and forms; The band that confluxes electrically connects through this open region 23 and copper coin 5, and this base 27 is the design of hollow out formula.Connect on the said installation portion 22 and be provided with air-vent 24, in this air-vent 24, be provided with breathable films 242 and, on this ventilative post 241, be through with a little air-vent (not shown) in order to fix the ventilative post 241 of this breathable films 242.
The both sides of said lid 1 and box body 2 are respectively arranged with the first card line half slot 15 and the second card line half slot 25; The said first card line half slot 15 and the second card line half slot 25 cooperate formation in order to take in the cable trough of cable 8; The first card line half slot 15 is by cover body part 11 both sides indents and connect 11 of side plates and form; Second 25 of the card line half slots are by installation portion 22 both sides indents and connect 26 of sidepieces and form on the corresponding position of box body; Said photovoltaic junction box also can not block line half slot 15 and the second card line half slot, 25 formation cable trough, only this cable trough of perforation formation on box body or lid through on lid 1 and box body 2, being provided with first.
Said cable 8 comprises copper core 81, coats the insulating barrier 82 of copper core 81 and is coated on the thermoplastic sleeve pipe 84 on the cable; This copper core 81 has in order to electrically connect the connecting portion 83 of copper coin 5; This connecting portion 83 is for exposing the copper core 81 of insulating barrier 82; In the utility model, this thermoplastic sleeve pipe 84 is coated on the junction of insulating barrier 82 and connecting portion 83.The cable trough that is formed by the first card line half slot 15 and the second card line half slot 25 comprises the vallecular cavity 251 of containing section cable and is positioned at the stop block 252 of this vallecular cavity 251; Part cable 8 is accommodated in this vallecular cavity 251 with the thermoplastic sleeve pipe 84 that is coated on the cable 8; Said stop block 252 moves in order to prevent this thermoplastic sleeve pipe 84; Increased cable 8 pulling force, thereby preventing that cable 8 from moving in vallecular cavity 251 owing to pulling capacity produces cable 8 and separates the operating state of assurance photovoltaic junction box with copper coin 5.
Said thermoplastic sleeve pipe 84 has the face of cylinder 841 and two lateral sections; Wherein the lateral section away from copper coin is first lateral section (not indicating); Another is second lateral section 842, and this second lateral section 842 is near copper coin 5 and away from stop block 252, and said cable trough has the cell wall (not indicating) that forms vallecular cavity 251; Above-mentioned stop block 252 supports in first lateral section from this cell wall radial projection; This stop block 252 also can be designed to support on the face of cylinder 841 except supporting on first cross section, as on 841 two relative positions in the face of cylinder, forming the grip block (not shown) of two these thermoplastic sleeve pipes 84 of clamping.Also have from the cell wall radial projection in this vallecular cavity 251 and support the friction ribs 523 on insulating barrier 82, can increase the frictional force between vallecular cavity 251 and the cable 8, thereby also help further to prevent cable 8 moving at vallecular cavity 251 through this friction ribs 523.
Said copper coin 5 comprises four small-sized copper coins that are positioned at same plane (being installed on installation portion respectively) and link to each other; Be respectively first small-sized copper coin 51 ', second small-sized copper coin the 52 ', the 3rd small-sized copper coin 53 ' and the 4th small-sized copper coin 54 '; Be provided with conduit 54 between said two adjacent small-sized copper coins, these four small-sized copper coins also can the separate type design.Be electrically connected with diode between every two adjacent small-sized copper coins; In the present embodiment; Be provided with three diodes altogether; Be respectively: connect first diode 41 of the first small-sized copper coin 51 ' and the second small-sized copper coin 52 ', connect second diode 42 of the second small-sized copper coin 52 ' and the 3rd small-sized copper coin 53 ', connect the 3rd diode 43 of the 3rd small-sized copper coin 53 ' and the 4th small-sized copper coin 54 '; Above-mentioned first diode 41, second diode 42 and the 3rd diode 43 are housed in respectively in the diode accepting groove 21, and this diode accepting groove 21 is formed by installation portion 22 interior section indents.Said two cables 8 electrically connect with the first small-sized copper coin 51 ' and the 4th small-sized copper coin 54 ' respectively; Be respectively arranged with on this first small-sized copper coin 51 ' and the 4th small-sized copper coin 54 ' towards 842 horizontally extending holding sections 55, second lateral section; This holding section 55 is positioned at vallecular cavity 251 equally; This holding section 55 at this, thereby also helps to prevent moving of cable in order to connecting portion 83 is held the electric connection that realizes with cable 8.
Although be the example purpose; The preferred implementation of the utility model is disclosed; But those of ordinary skill in the art will recognize, under situation about not breaking away from by the scope of the disclosed the utility model of appending claims and spirit, various improvement, increase and replacement are possible.
Claims (10)
1. photovoltaic junction box; Comprise box body, the lid that cooperates with box body; Said lid comprises cover body part, the side plate that extends to form from the cover body part edge downwards; Said cover body part has the encapsulating district of running through cover body part, and said lid also comprises in order to cover the upper cover plate in encapsulating district, it is characterized in that: said upper cover plate buckle connects said cover body part.
2. photovoltaic junction box according to claim 1 is characterized in that: said upper cover plate comprises loam cake body and the trip that extends to form towards the encapsulating district from the loam cake body, is provided with in the said encapsulating district in order to fasten the buckle of trip.
3. photovoltaic junction box according to claim 2 is characterized in that: said encapsulating district comprises the encapsulating mouth and is formed on the edge portion at encapsulating mouth edge, the said concave shaped one-tenth downwards that is snapped in said edge the district in.
4. photovoltaic junction box according to claim 2 is characterized in that: said edge portion bottom surface has in order to prevent the support portion of said edge portion distortion.
5. photovoltaic junction box according to claim 2 is characterized in that: said upper cover plate comprises that also one connects said loam cake body to realize the glue filling opening of process for filling colloid into.
6. photovoltaic junction box according to claim 5 is characterized in that: said glue filling opening extends to form an encapsulating post from said loam cake body bottom surface towards box body.
7. photovoltaic junction box according to claim 6 is characterized in that: said upper cover plate also comprises from loam cake body bottom surface and to extend towards the encapsulating district with fixing first fin of encapsulating post.
8. photovoltaic junction box according to claim 5 is characterized in that: said glue filling opening has the horn-like port that indent is formed on loam cake body end face.
9. photovoltaic junction box according to claim 5 is characterized in that: said upper cover plate also comprises the louvre that connects said loam cake body.
10. photovoltaic junction box according to claim 9 is characterized in that: said upper cover plate has one from the said loam cake body arc-shaped protrusions zone that evagination forms that makes progress, and said glue filling opening and louvre are distributed in the said arc-shaped protrusions zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201736004U CN202601671U (en) | 2012-04-23 | 2012-04-23 | Photovoltaic junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201736004U CN202601671U (en) | 2012-04-23 | 2012-04-23 | Photovoltaic junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202601671U true CN202601671U (en) | 2012-12-12 |
Family
ID=47319194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201736004U Expired - Fee Related CN202601671U (en) | 2012-04-23 | 2012-04-23 | Photovoltaic junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202601671U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103378195A (en) * | 2012-04-23 | 2013-10-30 | 苏州快可光伏电子股份有限公司 | Photovoltaic junction box |
| CN105262439A (en) * | 2015-11-18 | 2016-01-20 | 江苏威尔富电子科技有限公司 | Terminal box for double-glass solar photovoltaic module |
-
2012
- 2012-04-23 CN CN2012201736004U patent/CN202601671U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103378195A (en) * | 2012-04-23 | 2013-10-30 | 苏州快可光伏电子股份有限公司 | Photovoltaic junction box |
| CN105262439A (en) * | 2015-11-18 | 2016-01-20 | 江苏威尔富电子科技有限公司 | Terminal box for double-glass solar photovoltaic module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20140423 |