CN202712227U - Terminal box of photovoltaic modules - Google Patents
Terminal box of photovoltaic modules Download PDFInfo
- Publication number
- CN202712227U CN202712227U CN2012203921298U CN201220392129U CN202712227U CN 202712227 U CN202712227 U CN 202712227U CN 2012203921298 U CN2012203921298 U CN 2012203921298U CN 201220392129 U CN201220392129 U CN 201220392129U CN 202712227 U CN202712227 U CN 202712227U
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- CN
- China
- Prior art keywords
- terminal box
- containing cavity
- fin
- cable
- box body
- 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
Abstract
The utility model discloses a terminal box of photovoltaic modules. The terminal box comprises a terminal box body, an operating circuit module, radiating fins and a connecting module, wherein the terminal box body is provided with a first accommodating cavity; pins of the operating circuit module are arranged in the first accommodating cavity; the terminal box body is further provided with a second accommodating cavity, and the bottom part of the second accommodating cavity is provided with an opening; the radiating fins are of a hollow and rectangular structure and arranged in the second accommodating cavity; and the opening at the bottom part of the second accommodating cavity is provided with a sealing plate used for sealing the radiating fins inside the second accommodating cavity. The terminal box of the photovoltaic modules disclosed by the utility model has the advantage of good radiation performance and needs not to be grounded.
Description
Technical field
The utility model relates to a kind of photovoltaic component terminal box.
Background technology
Photovoltaic cell is the device that the solar radiation ability is directly changed into electric energy, and photovoltaic module by the product that a plurality of photovoltaic cells connect and encapsulation forms, is the elementary cell of battery array in the photovoltaic generating system just.Photovoltaic component terminal box is the key device that solar components is made system, and the effect of terminal box is to prevent from producing when the solar components part is blocked the hot spot effect.
Yet, the operating circuit of existing photovoltaic component terminal box all adopts external heat radiation, namely be used for aluminium heat sink that operating circuit is dispelled the heat exposed outside (be such as application number 201010241717.7 the disclosed photovoltaic component terminal box of Chinese invention patent application), because fin is exposed outside, be easy to cause electric shock accidents, so traditional photovoltaic component terminal box all must carry out ground connection work, labor intensive financial resources in this.
Summary of the invention
The utility model purpose is: for the problems referred to above, provide a kind of perfect heat-dissipating, do not need the photovoltaic component terminal box of ground connection.
The technical solution of the utility model is: described photovoltaic component terminal box, comprise the terminal box body, the operating circuit module, fin, and link block, described terminal box body has the first containing cavity, described operating circuit module comprises substrate, be arranged on the operating circuit on this substrate, and a plurality of pins that are electrically connected with described operating circuit, it is outside that described fin is positioned at described substrate, it is inner that described pin is positioned at described the first containing cavity, described terminal box body has the cable passage that a pair of and described the first containing cavity is conducted, described link block comprises anodal jockey and negative pole jockey, the anodal bindiny mechanism that described anodal jockey comprises cable and is positioned at this cable one end, the negative pole bindiny mechanism that described negative pole jockey comprises cable and is positioned at this cable one end, the other end of the cable of described anodal jockey and negative pole jockey passes respectively corresponding cable passage and stretches in described the first containing cavity, and be electrically connected with corresponding pin, it is characterized in that: described terminal box body also has a bottom with the second containing cavity of opening, described fin is hollow, rectangular, and fin is positioned at described the second containing cavity, and is provided with the shrouding that described fin is enclosed in described the second containing cavity at the second containing cavity bottom opening place.
Offer hole for injecting glue on the described shrouding, by this hole for injecting glue, pressure injection has the casting glue that prevents that described fin from rocking in described the second containing cavity.
Offer louvre on the chamber wall of described the second containing cavity.
The utility model has the advantages that:
1, photovoltaic component terminal box of the present utility model is completely enclosed within fin in the second containing cavity of terminal box body, fin can not exposed outside, thereby avoided its personnel when work can touch the phenomenon of fin, this terminal box is safe and reliable, need not to carry out ground connection.
2, terminal box of the present utility model adopts the mode of pressure injection casting glue that fin and operating circuit module are firmly fixed, concurrently injected casting glue makes the water proof and dust proof grade of terminal box reach IP67, and the terminal box water proof and dust proof grade on the existing market only has IP65.
3, through actual measurement, the conventional junction temperature of existing common terminal box operating circuit module is 160 ℃ ~ 180 ℃, and the junction temperature of the utility model terminal box operating circuit module is in 145 ℃.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is the stereogram of the utility model embodiment;
Fig. 2 is the front view of the utility model embodiment, and its cover plate is removed;
Fig. 3 is that the A-A of Fig. 2 is to cutaway view;
Fig. 4 is the explosive view of the utility model embodiment;
Wherein: 100-terminal box body, 200-circuit module, 300-fin, 400-link block;
101-the first containing cavity, 102-the second containing cavity, 103a, 103b-cable passage, 104-shrouding, 105-louvre, 111-cover plate, 112-sealing ring;
The 201-substrate, the 202-pin;
The anodal jockey of 400a-, 400b-negative pole jockey, 401, the 403-cable, the anodal bindiny mechanism of 402-, 404-negative pole bindiny mechanism.
Embodiment
Such as Fig. 1, Fig. 2 and shown in Figure 3, the photovoltaic component terminal box of the present embodiment comprises terminal box body 100, operating circuit module 200, fin 300 and link block 400, and wherein fin 300 is aluminium heat sink, and it is shaped as hollow, rectangular.
Such as Fig. 2 and shown in Figure 4, described terminal box body 100 has vertically (take Fig. 2 as reference, be perpendicular to the direction of paper, be terminal box body thickness direction) annular sidewall that extends, the bottom of sidewall has the flange that along continuous straight runs extends internally, flange pastes surface to photovoltaic module by fluid sealant, the top of this sidewall is coated with cover plate 111, and be provided with sealing ring 112 between sidewall top and the cover plate, thereby at first containing cavity 101 of terminal box body 100 formation with extraneous phase gas-liquid sealing.Described terminal box body 100 also has the cable passage 103a that a pair of and described the first containing cavity 101 is conducted, 103b.
As shown in Figure 4, described operating circuit module 200 comprises substrate 201, is arranged on the operating circuit (scheming not shown) on this substrate and a plurality of pins 202 that are electrically connected with described operating circuit.Described fin 300 is positioned at described substrate 201 outsides to be used for dispel the heat (have be used to the inner chamber of accommodating described substrate 201 thereby fin is hollow, rectangular, fin surface is formed with radiating fin to strengthen radiating effect) to radiating module.Described pin 202 is positioned at described the first containing cavity 101 inside, is specially: terminal box body 100 is provided with a plurality of pin bores (not shown)s corresponding with described pin 202, and described pin passes pin bores and stretches in described the first containing cavity 101.
With reference to Fig. 2 and shown in Figure 4, described link block 400 comprises anodal jockey 400a and negative pole jockey 400b.The anodal bindiny mechanism 402 that described anodal jockey 400a comprises cable 401 and is positioned at this cable one end.The negative pole bindiny mechanism 404 that described negative pole jockey 400b comprises cable 403 and is positioned at this cable one end.The other end of the cable 401,403 of described anodal jockey 400a and negative pole jockey 400b passes respectively corresponding cable passage 103a, after 103b stretches in described the first containing cavity 101, is electrically connected with corresponding pin 202 again.
With reference to Fig. 1 and shown in Figure 4, in the present embodiment, described terminal box body 100 also has the second containing cavity 102, and the band opening is arranged at the bottom of this second containing cavity 102, described fin 300 is positioned at this second containing cavity 102, and is provided with the shrouding 104 that described fin 300 is enclosed in described the second containing cavity 102 at the second containing cavity 102 bottom opening places.Offer hole for injecting glue on the described shrouding 104, by this hole for injecting glue, to described the second containing cavity 102 interior pressure injections the casting glue that prevents that described fin 300 from rocking is arranged.During assembling, first fin 300 is contained on the operating circuit module 200, again from the bottom opening of the second containing cavity 102 with in its second containing cavity of packing into, load onto shrouding 104, from the inside pressure injection casting glue of the hole for injecting glue of shrouding 104, thereby fin 300 is crushed to death in the second containing cavity and can not rocks.
As shown in Figure 1, in order not affect the heat dispersion of fin 300, the present embodiment also offers many louvres 105 at the chamber wall of described the second containing cavity 102.
Certainly, above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow people can understand content of the present utility model and implements according to this, can not limit protection range of the present utility model with this.All equivalent transformation or modifications of doing according to the Spirit Essence of the utility model main technical schemes all should be encompassed within the protection range of the present utility model.
Claims (3)
1. photovoltaic component terminal box, comprise terminal box body (100), operating circuit module (200), fin (300), and link block (400), described terminal box body (100) has the first containing cavity (101), described operating circuit module (200) comprises substrate (201), be arranged on the operating circuit on this substrate, and a plurality of pins (202) that are electrically connected with described operating circuit, described fin (300) is positioned at described substrate (201) outside, described pin (202) is positioned at described the first containing cavity (101) inside, described terminal box body (100) has the cable passage (103a that a pair of and described the first containing cavity (101) is conducted, 103b), described link block (400) comprises anodal jockey (400a) and negative pole jockey (400b), the anodal bindiny mechanism (402) that described anodal jockey (400a) comprises cable (401) and is positioned at this cable one end, the negative pole bindiny mechanism (404) that described negative pole jockey (400b) comprises cable (403) and is positioned at this cable one end, the cable (401 of described anodal jockey (400a) and negative pole jockey (400b), 403) the other end passes respectively corresponding cable passage (103a, 103b) stretch in described the first containing cavity (101), and be electrically connected with corresponding pin (202), it is characterized in that: described terminal box body (100) also has a bottom with second containing cavity (102) of opening, described fin (300) is hollow, rectangular, and this fin (300) is positioned at described the second containing cavity (102), and is provided with at the second containing cavity (102) bottom opening place described fin (300) is enclosed in shrouding (104) in described the second containing cavity (102).
2. photovoltaic component terminal box according to claim 1, it is characterized in that: described shrouding offers hole for injecting glue on (104), by this hole for injecting glue, to the interior pressure injection of described the second containing cavity (102) casting glue that prevents that described fin (300) from rocking is arranged.
3. photovoltaic component terminal box according to claim 1 and 2 is characterized in that: offer louvre (105) on the chamber wall of described the second containing cavity (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203921298U CN202712227U (en) | 2012-08-09 | 2012-08-09 | Terminal box of photovoltaic modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203921298U CN202712227U (en) | 2012-08-09 | 2012-08-09 | Terminal box of photovoltaic modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202712227U true CN202712227U (en) | 2013-01-30 |
Family
ID=47592499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203921298U Expired - Fee Related CN202712227U (en) | 2012-08-09 | 2012-08-09 | Terminal box of photovoltaic modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202712227U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102769056A (en) * | 2012-08-09 | 2012-11-07 | 苏州乐开塑胶模具有限公司 | Junction box of photovoltaic assembly |
-
2012
- 2012-08-09 CN CN2012203921298U patent/CN202712227U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102769056A (en) * | 2012-08-09 | 2012-11-07 | 苏州乐开塑胶模具有限公司 | Junction box of photovoltaic assembly |
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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: 20130130 Termination date: 20150809 |
|
| EXPY | Termination of patent right or utility model |