CN202352703U - Glue poured junction box for connecting photovoltaic module - Google Patents
Glue poured junction box for connecting photovoltaic module Download PDFInfo
- Publication number
- CN202352703U CN202352703U CN2011205275430U CN201120527543U CN202352703U CN 202352703 U CN202352703 U CN 202352703U CN 2011205275430 U CN2011205275430 U CN 2011205275430U CN 201120527543 U CN201120527543 U CN 201120527543U CN 202352703 U CN202352703 U CN 202352703U
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- China
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- box body
- circuit board
- photovoltaic module
- box
- type terminal
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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 discloses a glue poured junction box for connecting a photovoltaic module, which comprises a box body, a box cover and an aluminium-based circuit board, wherein the box cover is arranged on the box body and is matched with the box body; the aluminium-based circuit board is arranged in the box body; the aluminium-based circuit board is provided with positive and negative connecting pieces; the bottom of the box body is provided with a bus bar mounting hole; a diode is arranged on the aluminium-based circuit board; connection holes are arranged at the positions on the box body, which respectively correspond to the positive and negative connecting pieces; and the position on the reverse side of the bottom of the box body, which corresponds to the position of the aluminium-based circuit board, is provided with a transversely through ventilation groove. The glue poured junction box for connecting the photovoltaic module, which is disclosed by the utility model, has the advantages of excellent heat dissipation performance and long service life.
Description
Technical field
The utility model relates to a kind of terminal box, relates in particular to a kind of rubber filling type terminal box that is used to connect photovoltaic module.
Background technology
The rubber filling type terminal box is to be used to connect photovoltaic module; During use as required; By several rubber filling type terminal boxes several photovoltaic modulies are coupled together by the serial or parallel connection mode; And the protection through the inner diode of rubber filling type terminal box, guarantee that photovoltaic module can normal power generation under protean weather condition.The structure of existing rubber filling type terminal box comprises: box body, be arranged on the box body and the lid that cooperatively interacts with box body, offer between the busbar installing hole that can supply to draw from the photovoltaic module back some busbars, the circuit board that in box body, is disposed with some connectors or equivalence with it, the connector in the box body bottom and to be provided with diode, on box body, to be provided with wiring hole with the corresponding respectively position of positive and negative connector.During use; Positive and negative cable pierces into terminal box from the wiring hole of correspondence and links to each other with corresponding positive and negative connector respectively; The connector other end links to each other with the positive negative rail of drawing from the assembly back respectively; All the other connectors in the middle of the positive and negative connector also link to each other with corresponding busbar respectively, play the bypass protection effect.Because the operating current of photovoltaic module is big, work under bad environment, length of service are very long, the rubber filling type terminal box needs excellent waterproof, dustproof, heat radiation and ageing resistace; Simultaneously, the influence that the heat that is distributed in the time of also will reducing the work of rubber filling type terminal box causes photovoltaic module.
The utility model content
For this reason, the utility model technical problem to be solved provides the rubber filling type terminal box that is used to connect photovoltaic module of a kind of excellent radiation performance, long service life, to overcome the deficiency that prior art exists.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of rubber filling type terminal box that is used to connect photovoltaic module; The lid that comprises box body, is arranged on the box body and cooperatively interacts with box body and be arranged on the aluminium base circuit board in the box body, the said aluminium base circuit board and have positive and negative connector; Said box body bottom offers the busbar installing hole, aluminium base circuit board is provided with diode, on box body, is provided with wiring hole with the corresponding respectively position of said positive and negative connector, it is characterized in that: the corresponding said aluminium base circuit board position of said box body bottom rear place has the ventilation groove of lateral direction penetrating.
In the further improvement of the utility model, for reaching better radiating effect, said box body wall top and lid wall have the ventilation and heat groove.
In the specific embodiment of the utility model, the width of said ventilation groove is 26mm, and length is 104mm, and the aperture of said ventilation and heat groove is Ф 2mm.
Said busbar is equipped with a plurality of, is separated by the cavity in the box body between the busbar installing hole.Can guarantee that like this each busbar of drawing at the photovoltaic module back side can not be in contact with one another.
Adopt technique scheme; When the rubber filling type terminal box of the utility model is used to install the photovoltaic module surface, because the corresponding said aluminium base circuit board position of box body bottom rear place has the ventilation groove of lateral direction penetrating, like this; The box body bottom is exactly the whole photovoltaic module surface that is attached to fully; The heat-dissipating space that exists the ventilation groove to form between box body bottom and the photovoltaic module surface, thus play the effect that the heat that terminal box is inner conducts, can not heat photovoltaic module; Be difficult for causing photovoltaic module internal cell sheet temperature anomaly to raise, be difficult for causing photovoltaic module backing, hot spot with the terminal box correspondence position; And the direct and atmosphere connection in ventilation groove both sides when heat is transmitted to the box body bottom, can be dispersed among the atmosphere fast, further plays and reduces the terminal box action of temperature.
Therefore, the rubber filling type terminal box that is used to connect photovoltaic module of the utility model has the advantage of excellent radiation performance, long service life.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is elaborated:
Fig. 1 is the box body internal structure sketch map of the utility model;
Fig. 2 loads onto the internal structure sketch map of aluminium base circuit board for the inside of the utility model;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the rearview of Fig. 1;
Fig. 5 is the end view of Fig. 1;
Fig. 6 is the lid structural representation of the utility model;
Fig. 7 is that the box body and the lid of the utility model cooperates end view;
Among the figure:
The 1-box body, 11-positive electrical cable installing hole, 12-negative electricity cable installing hole, 13-cable clamp bottom; 14-scalds riveting, 15-ventilation groove, 16, the ventilation and heat groove, 17-cavity; The 18-reinforcement, 19-busbar installing hole, 110, cable clamp top, 111-fixed screw;
The 2-lid; The aluminium base circuit board of 3-, the 31-stamp-mounting-paper diode, 32-positive bus bar pad, 33-negative bus bar pad, 34 positive electrical cables are inserted dish, and 35-negative electricity cable is inserted dish, and 36-scalds rivet hole.
Embodiment
Like Fig. 1, Fig. 2, shown in Figure 7; The rubber filling type terminal box that is used to connect photovoltaic module of the utility model; Comprise: box body 1; Be arranged on the box body 1 and the lid 2 that matches with box body 1; Box body 1 bottom offers and is provided with aluminium base circuit board 3 in 5 busbar installing holes 19 that can supply to insert some busbars of drawing from the photovoltaic module back, the box body 1, aluminium base circuit 3 is provided with diode (being specially stamp-mounting-paper diode 31); Box body 1 is provided with wiring hole (being specially positive electrical cable installing hole 11 and negative electricity cable installing hole 12); Between aluminium base circuit board 3 and positive electrical cable installing hole 11 and negative electricity cable installing hole 12, be respectively arranged with cable clamp bottom 13 and cable clamp top 110, be provided with some cavitys 17 and reinforcement 18 that are used for strengthening rubber filling type terminal box mechanical strength in the box body 1, busbar installing hole 19 is separated by cavity 17.
In conjunction with shown in Figure 2, aluminium base circuit board 3 is secured in the box body 1 through the boiling hot riveting 14 that is arranged on box body 1 inner bottom part, and stamp-mounting-paper diode 31 pastes with the paster mode and is welded on the aluminium base circuit board 3.The utility model uses aluminium base circuit board 3 and adopts the advantage of stamp-mounting-paper diode to be: aluminium base circuit board 3 has good heat conductivility; When in work, stamp-mounting-paper diode 31 self-heatings, heat can be transmitted to aluminium base circuit board 3 rapidly; Reach the surface temperature of stamp-mounting-paper diode 31 and the temperature basically identical of aluminium base circuit board 3; Thereby the area of dissipation that is equivalent to tens of times increase stamp-mounting-paper diode 31 quickens heat radiation, reduces the working temperature of stamp-mounting-paper diode 31.
The rubber filling type terminal box of said structure combines Fig. 4, shown in Figure 5 again, is provided with the ventilation groove 15 of a lateral direction penetrating in box body 1 bottom and corresponding section, aluminium base circuit board 3 installation site, and the width of ventilation groove 15 is 26mm, and length is 104mm.Adopt the advantage of ventilation groove 15 to be: first; When the work of rubber filling type terminal box; When its inner heat that produces is transmitted to box body 1 bottom; No longer directly photovoltaic module is heated, be difficult for causing photovoltaic module internal cell sheet temperature anomaly to raise, be difficult for causing photovoltaic module to produce backing, hot spot with rubber filling type terminal box correspondence position; The second, the direct and atmosphere connection in ventilation groove 15 both sides when heat is transmitted to box body 1 bottom, can be dispersed among the atmosphere, with the temperature of further reduction box body 1 fast.
Combine Fig. 1, Fig. 5, Fig. 6 and shown in Figure 7 again, be provided with several ventilation and heat grooves 16 at box body 1 wall top, with matchingly around lid 2, also be provided with some ventilation and heat grooves 16, the aperture of ventilation and heat groove 16 is Ф 2mm.After box body 1 and lid 2 were installed together, they can be combined into several ventilation and heat grooves that is communicated with rubber filling type terminal box inside and atmosphere.The advantage of this structure is: through these ventilation and heat grooves 16, when the heat that is produced when the work of rubber filling type terminal box is transmitted to box body 1 top, can be dispersed into fast in the middle of the ambient atmosphere, further reduce rubber filling type terminal box internal temperature.
The sealing means of the utility model adopts the embedding fluid sealant, and its advantage is: rubber filling type terminal box internal electric element is all with the fluid sealant sealing, and effectively waterproof and dustproof guarantees that the rubber filling type terminal box can operate as normal under most environmental conditions.Simultaneously, rubber filling type terminal box inside is full of the glue sealing, can play and accelerate heat conducting effect, further improves the heat radiation of rubber filling type terminal box, reduces temperature.
It more than is exactly the rubber filling type terminal box that is used to connect photovoltaic module of the utility model; Earlier select corresponding aluminium base circuit board 3 for use during use, aluminium base circuit board 3 is fixed in the box body 1 through the boiling hot riveting 14 on boiling hot rivet hole on the aluminium base circuit board 3 36 and the box body 1 according to the type of photovoltaic module.The positive electrical cable of rubber filling type junction box connector and negative electricity cable intert into box body 1 inside through positive electrical cable installing hole on the box body 1 11 and negative electricity cable installing hole 12 respectively; The positive electrical cable is inserted dish 34 through the electrode cable on inserted sheet and the aluminium base circuit board 3 and is linked together, and the negative electricity cable is inserted dish 33 through the negative pole cable on inserted sheet and the aluminium base circuit board 3 and linked together.The both positive and negative polarity cable is firmly fixing with box body 1 by the cable clamp top 13 that combines through fixed screw again with cable clamp bottom 110, and can not produce excessive relatively moving.The positive bus bar that draw at the photovoltaic module back is welded on the positive bus bar pad 32 of aluminium base circuit board 3 through busbar installing hole 19, and the negative bus bar of drawing is welded on the positive bus bar pad 33 of aluminium base circuit board 3 through busbar installing hole 19.Other busbar of drawing also is welded on the aluminium base circuit board 3 on the corresponding bonding pad according to demand successively.Then fluid sealant is poured in down a chimney into box body 1 inside, let its spontaneous curing.Again the direction of lid 2 according to clasp corresponding with box body 1 on it is installed on the box body 1 after adhesive curing a period of time to be sealed.
Therefore, can find out that the rubber filling type terminal box that being used to of the utility model connects photovoltaic module has the advantage of excellent radiation performance, long service life through above detailed description.
But; Those of ordinary skill in the art will be appreciated that; Above embodiment is used for explaining the utility model; And be not the qualification that is used as the utility model, as long as in the connotation scope of the utility model, all will drop in claims scope of the utility model variation, the modification of the above embodiment.
Claims (4)
1. rubber filling type terminal box that is used to connect photovoltaic module; The lid that comprises box body, is arranged on the box body and cooperatively interacts with box body and be arranged on the aluminium base circuit board in the box body, the said aluminium base circuit board and have positive and negative connector; Said box body bottom offers the busbar installing hole, aluminium base circuit board is provided with diode, on box body, is provided with wiring hole with the corresponding respectively position of said positive and negative connector, it is characterized in that: the corresponding said aluminium base circuit board position of said box body bottom rear place has the ventilation groove of lateral direction penetrating.
2. the rubber filling type terminal box that is used to connect photovoltaic module according to claim 1 is characterized in that: said box body wall top and lid wall have the ventilation and heat groove.
3. the rubber filling type terminal box that is used to connect photovoltaic module according to claim 2 is characterized in that: the width that connects the said ventilation groove of rubber filling type terminal box of photovoltaic module is 26mm, and length is 104mm, and the aperture of said ventilation and heat groove is Ф 2mm.
4. the rubber filling type terminal box that is used to connect photovoltaic module according to claim 1, it is characterized in that: said busbar is equipped with a plurality of, is separated by the cavity in the box body between the busbar installing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205275430U CN202352703U (en) | 2011-12-15 | 2011-12-15 | Glue poured junction box for connecting photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205275430U CN202352703U (en) | 2011-12-15 | 2011-12-15 | Glue poured junction box for connecting photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202352703U true CN202352703U (en) | 2012-07-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205275430U Expired - Fee Related CN202352703U (en) | 2011-12-15 | 2011-12-15 | Glue poured junction box for connecting photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202352703U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199135A (en) * | 2013-04-22 | 2013-07-10 | 马俊龙 | Heat-dissipation-efficient solar photovoltaic junction box |
| CN103633931A (en) * | 2012-12-05 | 2014-03-12 | 江西晶科光伏材料有限公司 | Conjunction box for photovoltaic assembly |
| CN103944505A (en) * | 2014-04-25 | 2014-07-23 | 江苏九鼎光伏系统有限公司 | Photovoltaic cell module terminal box of wiring window free of bus bars on surface |
| CN106685339A (en) * | 2015-11-06 | 2017-05-17 | 泰科电子(上海)有限公司 | Photovoltaic junction box and diode |
| WO2023159711A1 (en) * | 2022-02-24 | 2023-08-31 | 横店集团东磁股份有限公司 | Photovoltaic module having siamese junction box |
-
2011
- 2011-12-15 CN CN2011205275430U patent/CN202352703U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633931A (en) * | 2012-12-05 | 2014-03-12 | 江西晶科光伏材料有限公司 | Conjunction box for photovoltaic assembly |
| CN103199135A (en) * | 2013-04-22 | 2013-07-10 | 马俊龙 | Heat-dissipation-efficient solar photovoltaic junction box |
| CN103944505A (en) * | 2014-04-25 | 2014-07-23 | 江苏九鼎光伏系统有限公司 | Photovoltaic cell module terminal box of wiring window free of bus bars on surface |
| CN106685339A (en) * | 2015-11-06 | 2017-05-17 | 泰科电子(上海)有限公司 | Photovoltaic junction box and diode |
| WO2023159711A1 (en) * | 2022-02-24 | 2023-08-31 | 横店集团东磁股份有限公司 | Photovoltaic module having siamese junction box |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20161215 |