CN202363493U - Junction box and solar cell assembly - Google Patents
Junction box and solar cell assembly Download PDFInfo
- Publication number
- CN202363493U CN202363493U CN2011204304296U CN201120430429U CN202363493U CN 202363493 U CN202363493 U CN 202363493U CN 2011204304296 U CN2011204304296 U CN 2011204304296U CN 201120430429 U CN201120430429 U CN 201120430429U CN 202363493 U CN202363493 U CN 202363493U
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- Prior art keywords
- chamber
- terminal box
- main part
- solar module
- flat component
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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 utility model discloses a solar cell assembly and a junction box thereof. The junction box is used for being mounted on the solar cell assembly and comprises an insulating body; the insulating body comprises a main body part and a buckling and maintaining part; the main body part is arranged to be abutted with a first surface of the solar cell assembly; the buckling and maintaining part comprises a withstanding part and a connecting part; the withstanding part is arranged to withstand a second surface opposite to the first surface of the solar cell assembly; the connecting part stretches out from the main body part, and furthermore, is connected with the withstanding part; and thus, the main body part and the buckling and maintaining part are constructed in the way that the junction box is clamped, connected and fixedly arranged on the solar cell assembly. By using the solar cell assembly and the junction box thereof, which are provided by the utility model, the sealing reliability and the binding strength of the assembly can be effectively guaranteed.
Description
Technical field
The utility model relates to the photovoltaic applied technical field, the solar module that relates in particular to a kind of terminal box and have this terminal box.
Background technology
Along with the exhaustion day by day of global energy resource, the human paces of seeking the new alternative type energy are also in continuous quickening.Solar energy is a kind of renewable resource.With conversion of solar energy is that electric energy can energy savings, alleviates the power shortage problem, can reduce environmental pollution again, and therefore, solar-photovoltaic technology more and more receives the public's concern and favor.Solar cell is by the material that can produce photovoltaic effect, processes such as silicon, GaAs, selenium indium copper or other materials etc., thereby utilizes photovoltaic effect that transform light energy is become electric energy.
Along with the continuous development of photovoltaic application technology, a kind of pair of glass assembly appearred, and it is by two sheet glass, and middle composite solar battery sheet is formed composite bed, is pooled to the pin line end by the lead series and parallel between the battery sheet and forms integrated member.Two glass assemblies are except utilizing solar energy power generating; Can also be as the building safety glass assembly, have the security performance such as shock resistance, broken state of building safety glass, and; Can be used as non-load bearing wall or load-bearing roofing and be used for building, is a kind of green structural material product.
Two glass assembly junction boxes then are to be used to realize the interconnected of two glass assemblies and external power source assembly, thereby the power of two glass assemblies is outputed to the outside.Simultaneously, two glass assembly junction boxes also are the crucial jockeys that two glass assemblies are made system, and the effect of two glass assembly junction boxes is to prevent that two glass assembly parts from producing the hot spot effect when being blocked.In use, need two glass assembly junction boxes be fixed on two glass assemblies to carry out power transfer work usually.
Existing pair of glass assembly mainly contains the two glass assemblies of BIPV (BIPV, Building Integrated Photovoltaic) curtain wall component, conventional power plant and rooftop applications by applicable cases.Wherein, The most terminal boxes of using of the two glass assemblies of BIPV curtain wall are curtain wall peripheral type terminal box; Its dimensions majority is about 120mm * 10mm * 10mm; It is installed in the double glazing or the side of compound glass more, on narrower bonding plane through material adhesives such as silica gel in the side of two glass assemblies, to realize the long term seal reliability and the adhesive strength of two glass assemblies.Yet the long-term reliability of this terminal box is relatively poor, mainly is a little less than the obstructing capacity to water vapor permeable, leaky to take place easily.Its reason is that because this terminal box only is fixedly connected with two glass assemblies through narrower bonding plane, terminal box is less with the bond area of two glass inter-modules, causes whole lower, the poor sealing of adhesive strength.And the two glass assemblies of film or other special double glazing assemblies adopt the mode of back-panel glass punching that the larger area terminal box is installed.This mode has guaranteed the reliability of two glass assembly sealings to a certain extent, has also guaranteed the adhesive strength of terminal box with two glass assemblies.But this mode need be punched on back-panel glass, has increased the machining process of glass, thereby has increased the manufacturing cost of glass, simultaneously glass intensity is formed certain potential safety hazard.In addition, two glass assemblies of punching back, back side installation connection box have very big influence to its appearance, thereby make the style of monolithic architecture also be affected.
Therefore, be necessary to provide improved technical scheme to overcome the technical problem that exists in the prior art.
The utility model content
The solar module that the technical problem underlying that the utility model will solve provides a kind of terminal box and has this terminal box, it can effectively guarantee the sealing reliability and the adhesive strength of assembly.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
The one side of the utility model provides terminal box, and it is used to be installed to solar module, it is characterized in that, said terminal box comprises:
Insulating body; It comprises main part and holding part, said main part be set to the to fit first surface of said solar module, and said holding part comprises blocking part and connecting portion; Said blocking part is set to keep out and said solar module first surface opposing second surface; Said connecting portion extends and connects said blocking part from said main part, and thus, said main part and holding part are configured to said terminal box clamping and are fixed on the said solar module.
In above-mentioned terminal box; Preferably; Said main part also comprises first chamber that is communicated with said first surface and by roof and be connected second chamber that the perisporium at the edge of said roof surrounds; Said first chamber and said second chamber isolate each other, and electronic component is installed among said roof hermetically, and at least two louvres are in communication with the outside said second chamber.
Preferably; Above-mentioned terminal box also comprises two cables; Fixing a plurality of conducting terminals in said main part; And each said conducting terminal extends in said first chamber at least in part, and the relative both sides in said first chamber are provided with through hole respectively, and said cable is electrically connected said conducting terminal respectively through said through hole and in said first chamber respectively.
In above-mentioned terminal box, preferably, at least two said louvres run through the said perisporium of the opposite side in said second chamber respectively.
In above-mentioned terminal box, preferably, said main part is connected by the parts buckle that separates with holding part or is integrally formed.
The utility model solar module is provided on the other hand, it comprises flat component, said flat component has opposite first and second surface; Said first surface is a shady face; Said second surface is a phototropic face, it is characterized in that, it also comprises the aforesaid terminal box that is installed on the said flat component; The said main part said first surface of fitting, the second surface of said flat component is kept out in said blocking part.
Through the holding part that can detain the side of holding its flat component is set on the insulating body of its terminal box; Thereby the solar module of the utility model can be avoided on the back-panel glass of flat component, punching; Avoided the problem that the back strength reliability that causes of glass punching reduces and cost increases because of flat component; Simultaneously, the solar module of the utility model can effectively guarantee the good appearance effect that assembly is whole.And the solar module of the utility model has good sealing reliability and adhesive strength.
Through the detailed description below with reference to accompanying drawing, it is obvious that others of the utility model and characteristic become.But should be known in only the purpose design of this accompanying drawing, rather than as the qualification of the scope of the utility model, this is because it should be with reference to additional claim for explaining.Should also be appreciated that, only if point out in addition, unnecessary scale accompanying drawing, they only try hard to explain conceptually structure described herein and flow process.
Description of drawings
With reference to the detailed description of following preferred implementation, and read in the lump, will understand the utility model more fully, refer to part same in the view all the time equally in the accompanying drawing with reference to character with appended drawing.Wherein:
Fig. 1 illustrates the general structure sketch map according to phototropic face one side of the solar module of a kind of embodiment of the utility model;
Fig. 2 illustrates the general structure sketch map according to shady face one side of the solar module of a kind of embodiment of the utility model;
Fig. 3 is the Facad structure sketch map according to the terminal box of a kind of embodiment of the utility model;
Fig. 4 is the structure sketch map according to the terminal box of a kind of embodiment of the utility model;
Fig. 5 is the front elevational schematic according to shady face one side of the solar module of a kind of embodiment of the utility model; And
Fig. 6 is the cross-sectional view along the solar module of the A-A line among Fig. 5.
Embodiment
For above-mentioned purpose, the feature and advantage that make the utility model can be more obviously understandable, the embodiment of the utility model is done detailed explanation below in conjunction with accompanying drawing.
Fig. 1 and Fig. 2 have disclosed the general structure sketch map according to the solar module of a kind of embodiment of the utility model, and wherein Fig. 1 shows phototropic face one side of solar module 1, and Fig. 2 shows shady face one side of solar module 1.As depicted in figs. 1 and 2, the solar module 1 of a kind of embodiment of the utility model comprises flat component 200 and is installed in the terminal box 100 on the flat component 200.
As depicted in figs. 1 and 2, the flat component 200 of the utility model has opposite first 201 and second surface 202, and wherein first surface 201 is shady face (being shown in Fig. 2), and second surface 202 is phototropic face (being shown in Fig. 1).In this embodiment; The flat component 200 of the utility model is an a kind of pair of glass assembly; Yet; The flat component 200 of the utility model is not limited to two glass assemblies, in fact, so long as the version of assembly with opposite first 201 and second surface 202 is all within the protection range of the flat component 200 of the utility model.
Fig. 3 and Fig. 4 have disclosed the structural representation according to the terminal box 100 of a kind of embodiment of the utility model; Like Fig. 3 and shown in Figure 4; The terminal box 100 of a kind of embodiment of the utility model is used to be installed to the flat component 200 with opposite first 201 and second surface 202, the electronic component (not shown) that it comprises insulating body 10, is fixed on a plurality of conducting terminals 20 in the insulating body 10 and is installed in the insulating body 10 and is electrically connected with conducting terminal 20.
A plurality of conducting terminals 20 are fixed in the main part 11 of insulating body 10 and extend at least in part in first chamber 111 of insulating body 10.
Electronic component is installed in the main part 11 of insulating body 10 and with conducting terminal 20 and is electrically connected.In a kind of embodiment, electronic component can be diode, and diode mainly plays the bypass effect.Yet the electronic component of the utility model is not limited to diode, and in other execution modes of the utility model, electronic component also can be DC/AC inverter or DC/DC optimizer or other any electronic components with same function.
The terminal box 100 of the utility model is through being provided with holding part 12 on insulating body 10; And; Holding part 12 can directly be detained the side that is held in flat component 200; Constitute a kind of terminal box 100 of wall-hanging structure, thereby make and not need punching on the back-panel glass of flat component 200 of terminal box 100 that this wall-hanging structure is installed, the problem that problem of having avoided reducing because of the strength reliability that causes the glass punching back of flat component and the cost that causes because of the glass punching of flat component increase; Simultaneously, the terminal box 100 of this wall-hanging structure of the utility model can effectively guarantee the good appearance effect of flat component 200 integral body.And the terminal box 100 of this wall-hanging structure of the utility model can guarantee the sealing reliability of flat component 200 and the reliability of the adhesive strength between terminal box 100 and the flat component 200 effectively.
As shown in Figure 3, main part 11 also comprises by roof 1121 and is connected 112, the first chambeies 111, second chamber and second chamber 112 that the perisporium 1122 at the edge of roof 1121 surrounds and isolates each other; Electronic component encapsulation is among roof 1121; For example, as shown in the figure, on roof 1121, have protuberance 1123; Electronic component then is arranged in this protuberance 1123, thereby has more area of dissipation.At least two louvres 113 are in communication with the outside second chamber 112, thereby in the use of terminal box 100, the heat that louvre 113 can in time produce electronic component dissipates, and avoids the damage of electronic component, improves the heat dispersion of terminal box 100.In a kind of embodiment, at least two louvres 113 run through perisporium 1122 settings of the opposite side in second chamber 112 respectively.Like Fig. 3 and shown in Figure 4, there are two louvres 113 to run through the perisporium 1122 of the left and right sides in second chamber 112, and have three louvres 113 to run through perisporium 1122 away from said first chamber 111.
Like Fig. 3 and shown in Figure 4, terminal box 100 comprises that also the relative both sides in two cables, 40, the first chambeies 111 are provided with through hole (not shown) respectively, and cable 40 is electrically connected conducting terminal 20 respectively through through hole and in first chamber 111 respectively.The cable 40 of terminal box 100 is placed the relative both sides in first chamber 111 of terminal box 100, can reduce cable 40 losses and the loss of electric energy in system's connection procedure.
The terminal box 100 of this wall-hanging structure of the utility model is installed on the flat component 200; Thereby form the solar module 1 of a kind of embodiment of the utility model; At this moment, as shown in Figure 2, the first surface 201 (being shady face) of the main part 11 applying flat components 200 of the insulating body 10 of terminal box 100; As shown in Figure 1; The second surface 202 (being phototropic face) of flat component 200 is kept out in the blocking part 121 of the holding part 12 of terminal box 100, and, in first chamber 111 of terminal box 100, fill sealing medium.
Likewise; Solar module 1 with terminal box 100 of this wall-hanging structure; Because terminal box 100 can directly be detained the side that is held in flat component 200; Thereby can avoid on the back-panel glass of flat component 200, punching; Avoided the problem that strength reliability reduces and cost increases that causes because of the glass of flat component punching back, simultaneously, the solar module 1 of the terminal box with this wall-hanging structure 100 of the utility model can effectively guarantee the good appearance effect that assembly is whole.And the solar module 1 of the terminal box with this wall-hanging structure 100 of the utility model has good sealing reliability and adhesive strength.
In the solar module 1 of the utility model; Main function components such as conducting terminal 20 in the terminal box 100 and electronic component all are positioned on the main part 11 of terminal box 100; And after terminal box 100 is installed on the flat component 200; It is shady face that the main part 11 of terminal box 100 places the first surface 201 of flat component 200, thereby flat component 200 also can play the effect of the main part 11 of protection terminal box 100.
As shown in Figure 3, on the perisporium 1122 in second chamber 112, glue groove 114 is set, adhesive stripe-coated on glue groove 114 is bonded in terminal box 100 on the first surface 201 of flat component 200 through binding agent.
Like Fig. 5 and shown in Figure 6; Draw conductive pin line 203 from the edge of the flat component 200 between first surface 201 and the second surface 202; Extend in first chamber 111 between the connecting portion 122 of lead-foot-line 203 from the holding part 12 of the edge of flat component 200 and terminal box 100, the connecting portion 122 in the holding part 12 of terminal box 100 can play the function that the lead-foot-line 203 to flat component 200 covers and seals effectively.In first chamber 111, the lead-foot-line 203 of flat component 200 is electrically connected to the conducting terminal 20 of terminal box 100.In this embodiment, the lead-foot-line 203 of flat component 200 is electrically connected with the conducting terminal 20 of terminal box 100 through welding.
In a kind of preferred embodiment; The medial surface in first chamber 111 is concordant with the side of connecting portion 122; Sealing medium also is filled between the edge of connecting portion 122 and flat component 200; Thereby with respect to existing curtain wall type edge terminal box, the terminal box 100 of the utility model can increase the bond area between terminal box 100 and the flat component 200, improves the tensile strength of terminal box 100.
Above execution mode only is used to explain the utility model; And be not the restriction to the utility model; The those of ordinary skill in relevant technologies field under the situation of spirit that does not break away from the utility model and scope, can also be made various variations and modification; Therefore all technical schemes that are equal to also belong to the category of the utility model, and the scope of patent protection of the utility model should be defined by the claims.
Claims (11)
1. terminal box, it is used to be installed to solar module, it is characterized in that, and said terminal box comprises:
Insulating body; It comprises main part and holding part, said main part be set to the to fit first surface of said solar module, and said holding part comprises blocking part and connecting portion; Said blocking part is set to keep out and said solar module first surface opposing second surface; Said connecting portion extends and connects said blocking part from said main part, and thus, said main part and holding part are configured to said terminal box clamping and are fixed on the said solar module.
2. terminal box as claimed in claim 1; Wherein, Said main part also comprises first chamber that is communicated with said first surface and by roof and be connected second chamber that the perisporium at the edge of said roof surrounds; Said first chamber and said second chamber isolate each other, and electronic component is installed among said roof hermetically, and at least two louvres are in communication with the outside said second chamber.
3. terminal box as claimed in claim 2; It also comprises two cables; Fixing a plurality of conducting terminals in said main part; And each said conducting terminal extends in said first chamber at least in part, and the relative both sides in said first chamber are provided with through hole respectively, and said cable is electrically connected said conducting terminal respectively through said through hole and in said first chamber respectively.
4. terminal box as claimed in claim 2, wherein, at least two said louvres run through the said perisporium of the opposite side in said second chamber respectively.
5. terminal box as claimed in claim 1, wherein, said main part is connected by the parts buckle that separates with holding part or is integrally formed.
6. solar module, it comprises flat component, said flat component has opposite first and second surface; Said first surface is a shady face; Said second surface is a phototropic face, it is characterized in that, it also comprises the terminal box as claimed in claim 1 that is installed on the said flat component; The said main part said first surface of fitting, the second surface of said flat component is kept out in said blocking part.
7. solar module as claimed in claim 6; Wherein, Said main part also comprises by roof and is connected second chamber that the perisporium at the edge of said roof surrounds, seal electronic element among said roof, and at least two louvres are in communication with the outside said second chamber.
8. solar module as claimed in claim 7, wherein, said perisporium is provided with glue groove, adhesive stripe-coated on said glue groove, said binding agent is bonded in said terminal box on the said first surface.
9. solar module as claimed in claim 7; Wherein, Said main part also comprises first chamber that is communicated with said first surface, and said first chamber and said second chamber isolate each other, fixing a plurality of conducting terminals in said main part; And each said conducting terminal extends in said first chamber at least in part; Draw the conductive pin line from the edge of the said flat component between said first surface and the said second surface, said lead-foot-line extends in said first chamber between the edge of said flat component and said connecting portion, and said lead-foot-line is electrically connected said conducting terminal in said first chamber.
10. solar module as claimed in claim 9; Wherein, The medial surface in said first chamber is concordant with the side of said connecting portion, fills sealing medium in said first chamber, and said sealing medium also is filled between the edge of said connecting portion and said flat component.
11. solar module as claimed in claim 9; Wherein, said terminal box also comprises the opening that is arranged on away from the one side of said flat component, said first chamber of said open communication; Said terminal box also comprises cover plate, and said cover plate covers on the said opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204304296U CN202363493U (en) | 2011-11-03 | 2011-11-03 | Junction box and solar cell assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204304296U CN202363493U (en) | 2011-11-03 | 2011-11-03 | Junction box and solar cell assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202363493U true CN202363493U (en) | 2012-08-01 |
Family
ID=46574655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204304296U Expired - Fee Related CN202363493U (en) | 2011-11-03 | 2011-11-03 | Junction box and solar cell assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202363493U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658359A (en) * | 2017-10-11 | 2018-02-02 | 江阴艾能赛瑞能源科技有限公司 | A kind of solar cell module quickly assembled |
-
2011
- 2011-11-03 CN CN2011204304296U patent/CN202363493U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658359A (en) * | 2017-10-11 | 2018-02-02 | 江阴艾能赛瑞能源科技有限公司 | A kind of solar cell module quickly assembled |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120801 Termination date: 20201103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |