CN102044571A - Junction box for solar photovoltaic module - Google Patents
Junction box for solar photovoltaic module Download PDFInfo
- Publication number
- CN102044571A CN102044571A CN2009102115598A CN200910211559A CN102044571A CN 102044571 A CN102044571 A CN 102044571A CN 2009102115598 A CN2009102115598 A CN 2009102115598A CN 200910211559 A CN200910211559 A CN 200910211559A CN 102044571 A CN102044571 A CN 102044571A
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- Prior art keywords
- base
- terminal box
- solar photovoltaic
- splicing ear
- loam cake
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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 invention relates to the field of electric connectors. A junction box for a solar photovoltaic module comprises a base, an upper cover in sealing fit with the base, and a wiring component, wherein the wiring component is arranged in the upper cover; the base is provided with a first connection terminal; an opening through which a metal sheet connected with positive and negative electrodes of a solar panel passes is formed on the base; the wiring component comprises a second connection terminal; and the second connection terminal is electrically connected with the first connection terminal when the base and the upper cover are closed. In the junction box for the solar photovoltaic module provided by the invention, important parts and components in the junction box are mainly arranged in the upper cover, and the upper cover and the base of the junction box which is fixed on the solar panel are assembled in an inserting way, so that the defects of the prior art are overcome.
Description
[technical field]
The present invention relates to electric connector field, relate in particular to a kind of terminal box that is used for solar photovoltaic assembly.
[background technology]
Solar energy is a kind of renewable resource.With conversion of solar energy is that electric energy can energy savings, can reduce environmental pollution again, and therefore, such technology has obtained the public's concern.
Solar photovoltaic assembly is the one group of common device that solar energy is converted to electric energy, generally includes monocrystalline silicon, polysilicon and hull cell etc.The solar photovoltaic assembly terminal box then is used to realize the interconnected of solar energy and external power source assembly, outputs to the outside with the power with solar photovoltaic assembly.
In use, the solar photovoltaic assembly terminal box normally is fixed on and carries out power transfer work on the solar panel.Usually, the solar photovoltaic assembly terminal box generally includes base, is arranged on the connector assembly (as splicing ear, diode etc.) in the base, and the loam cake of sealing covering base and connector assembly.Particularly, in the existing solar photovoltaic assembly terminal box, most of connector assembly is arranged on the base, and base normally is fixedly mounted on the solar panel.That is to say that when terminal box was installed on the solar panel, in fact the base of terminal box was fixed on the solar panel, also promptly can not disassemble from solar panel easily.
Based on said structure, there is following problem in use usually in existing solar photovoltaic assembly terminal box: in case any problem appears in terminal box when in use, the whole solar cell plate that this terminal box is installed so just can not use, thereby causes use cost quite high.
[summary of the invention]
The technical problem of mentioning in view of the aforementioned technical background, at least one purpose of the present invention is to provide a kind of solar photovoltaic assembly terminal box.Important spare part in this terminal box mainly is arranged in the loam cake, and loam cake adopts the mode that plugs together to assemble with the terminal box base that is fixed on the solar panel, thereby has overcome the defective of prior art.
Another purpose of the present invention is to provide a kind of solar photovoltaic assembly terminal box that can reduce use cost.
At least one technical scheme of the present invention is achieved in that the solar photovoltaic assembly terminal box, comprises base, the loam cake that can be sealed and matched with base, and connector assembly, and wherein, connector assembly is arranged in the loam cake; Base is provided with first splicing ear, offer on the base opening that passes for the sheet metal that is connected with the positive and negative electrode of solar panel and, connector assembly comprises second splicing ear, wherein, when base and loam cake closure, second splicing ear is electrically connected with first splicing ear.
According to the present invention, in first splicing ear and second splicing ear both one of have female end part and another has the male end part, when base and loam cake were closed, female end was partly and male end part press fit.
According to a specific embodiment of the present invention, male end partly is an inserted sheet, and female end partly is can be for the socket of inserted sheet insertion.
Wherein, connector assembly also comprises diode and is used for fixing diode and forms the conductor that is electrically connected with second splicing ear.
Particularly, conductor comprises the shell fragment of pair of opposing, and the top of each shell fragment is curled into two relative curved surfaces in the direction of another shell fragment, and curved surface can prop up the both sides of diode respectively, and also forms the slot for the pin insertion of diode on the curved surface.
Preferably, the conductor and second splicing ear are integrally formed.
Further, base fixes by locker with loam cake and is connected, and locker comprises and is arranged on the padlock on the base and is arranged on the locked groove that covers and cooperate with padlock.
Further preferably, the periphery that is positioned at connector assembly on the base offers the seal groove that is used to hold sealing ring.
The present invention has following technique effect at least: solar photovoltaic assembly terminal box provided by the invention, in design, with the main connector assembly of terminal box (as splicing ear, diode etc.) be arranged in the loam cake, loam cake adopts the mode that plugs together to be connected with base simultaneously, also is that loam cake can be realized freely separating with base.So solar photovoltaic assembly terminal box provided by the invention when problem takes place, only needs to change loam cake and the connector assembly that is arranged on wherein gets final product, thus the situation of having avoided terminal box and even whole solar panel to scrap.Correspondingly, reduced the use cost of solar photovoltaic assembly terminal box.Simultaneously, compare with terminal box of the prior art, solar photovoltaic assembly terminal box provided by the invention, connected mode is simple, and is easy to operate, in case be convenient to maintenance when going wrong, and can repeatedly use, thereby reduce the use cost of terminal box.
[description of drawings]
For above and other objects of the present invention, feature and advantage can be become apparent more, the invention will be further described below in conjunction with the drawings and specific embodiments.
Fig. 1 is a kind of structural representation of the solar photovoltaic assembly terminal box described in the specific embodiment of the present invention;
Fig. 2 is a kind of structural representation of the base in the solar photovoltaic assembly terminal box described in the above-mentioned specific embodiment of the present invention;
Fig. 3 is a kind of structural representation of the loam cake in the solar photovoltaic assembly terminal box described in the above-mentioned specific embodiment of the present invention;
Fig. 4 is a kind of local amplification profile schematic diagram in the solar photovoltaic assembly terminal box described in the above-mentioned specific embodiment of the present invention, has illustrated the state when base and loam cake are sealed and matched.
[embodiment]
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish label is represented same or analogous element.The embodiment that describes below with reference to accompanying drawing is exemplary, is intended to explain the present invention, and can not be interpreted as a kind of restriction of the present invention.
See also Fig. 1-4, Fig. 1-4 has shown the solar photovoltaic assembly terminal box described in the specific embodiment of the present invention.Particularly, Fig. 1 shows a kind of structural representation of solar photovoltaic assembly terminal box in this specific embodiment; Fig. 2 shows a kind of structural representation of the base in the solar photovoltaic assembly terminal box in the above-mentioned specific embodiment; Fig. 3 shows a kind of structural representation of the loam cake in the solar photovoltaic assembly terminal box in the above-mentioned specific embodiment; Fig. 4 then is a kind of local amplification profile schematic diagram in the solar photovoltaic assembly terminal box in the above-mentioned specific embodiment, has shown the state of terminal box inside when base and loam cake are sealed and matched.
Please, the invention provides a kind of solar photovoltaic assembly terminal box earlier referring to Fig. 1-3.According to the present invention, the solar photovoltaic assembly terminal box mainly comprises base 1, loam cake 2 and connector assembly 3, wherein, loam cake 2 is sealed and matched with base 1, and connector assembly 3 is sealed among both, and connector assembly 3 then is the connection that is used to realize between solar photovoltaic assembly and the external power source assembly, with power delivery that solar photovoltaic assembly is produced in the external power source assembly, thereby realize power transfer.Wherein, connector assembly 3 mainly is included in some parts that play the electric connection effect in the terminal box, splicing ear for example, diode etc.Particularly, in this specific embodiment, the parts that play extraneous interconnect function in the solar photovoltaic assembly terminal box are respectively sheet metal 20 that is connected with the positive and negative electrode of solar energy circuit plate (not shown) and the external connection device 90 that is connected with external power source assembly (being example with external cable 100) herein.Simultaneously, for the convenience of describing, the connector assembly 3 in the present embodiment also is exemplary splicing ear 10,30, conductor 31 and the diode 60 of comprising, the reader should understand, and the connector assembly in the terminal box should also comprise the parts except the element of mentioning herein.
According to the present invention, in the design of solar photovoltaic assembly terminal box, connector assembly 3 mainly is arranged in the loam cake 2 of terminal box, wherein, comprise second splicing ear 30 in the connector assembly 3, conductor 31 and diode 60, and base 1 is provided with first splicing ear 10, and offer opening 1a on the base 1, opening 1a is suitable for passing for the sheet metal 20 that is connected with the positive and negative electrode of solar panel, wherein, the sheet metal 20 that passes opening 1a is connected with 10 contacts of first splicing ear, wherein, when base 1 and loam cake 2 were closed mutually, second splicing ear 30 was electrically connected with first splicing ear 10.Like this, because the base 1 of solar photovoltaic assembly terminal box is fixed to the enterprising enforcement usefulness of solar panel, and the main element in the connector assembly 3 in the terminal box all be arranged on base 1 departing loam cake 2 in, therefore, even if any problem appears in the important spare part in the terminal box (as diode 60), the user only needs to take off the loam cake of terminal box from solar panel, wherein parts are keeped in repair or change, and no longer need to replace whole terminal box and solar panel, and then effectively reduce the use cost of terminal box.
According to the present invention, in first splicing ear 10 and second splicing ear 30 both one of have female end part 10a and another has male end part 30a, when base 1 and loam cake 2 are closed, female end part 10a and male end part 30a press fit.Particularly, in a specific embodiment of the present invention, shown in Fig. 2-4, first splicing ear 10 that is arranged in the base 1 has female end part 10a, second splicing ear 30 that is arranged in the loam cake 2 then has male end part 30a, when base 1 and loam cake 2 are sealed and matched, the male end part 30a press fit of the female end part 10a of first splicing ear 10 and second splicing ear 30, thus realize electrical connection between first splicing ear 10 and second splicing ear 30.Certainly, in another specific embodiment, can make second splicing ear 30 that is arranged in the loam cake 2 have female end part 10a, and make first splicing ear 10 that is arranged in the base 1 have male end part 30a.
Particularly, as shown in Figure 3, in a specific embodiment of the present invention, as shown in Figure 3, male end part 30a is an inserted sheet, and as shown in Figure 2, female end part 10a then is can be for the socket of inserted sheet insertion.Like this, as shown in Figure 4, when base 1 and loam cake 2 are closed each other, the male end part 30a of second splicing ear 30 just with the female end part 10a press fit of first splicing ear 10, realize electrically connecting.Simultaneously, according to a particular embodiment of the invention, as Fig. 2 and shown in Figure 4, be arranged on the sheet metal 20 that being used among the opening 1a of base 1 is connected with solar panel, the one end has laminated structure 20a, this laminated structure 20a is crimped on first splicing ear 10, thereby realizes electric connection between the two.
Solar photovoltaic assembly terminal box provided by the invention, as shown in Figure 3 and Figure 4, connector assembly 3 also comprises and is used for fixing diode 60 and forms the conductor 31 that is electrically connected with second splicing ear 30.Particularly, as shown in Figure 3, conductor 31 comprises the shell fragment 310 of pair of opposing, wherein, the top of each shell fragment 310 is curled into two relative curved surface 310a in the direction of another shell fragment 310, and curved surface 310a props up the both sides of diode 60 respectively, and also forms the slot 310b for the pin insertion of diode 60 on the curved surface 310a.Certainly, in another specific embodiment, the curved surface 310a of shell fragment 310 also can only be arranged on the both sides of diode 60, and not necessarily will resist the both sides at diode 60.Preferably, the conductor 31 and second splicing ear 30 are integrally formed.
In addition, solar photovoltaic assembly terminal box provided by the invention also comprises sealing ring 40.Particularly, as shown in Figure 3, sealing ring 40 is set in outside the connector assembly 3 in the loam cake 2, and correspondingly, as shown in Figure 2, on base 1, the periphery that is positioned at connector assembly 3 offers the seal groove 40a that is used to hold sealing ring 40.Like this, when base 1 and loam cake 2 were closed each other, sealing ring 40 was contained among the seal groove 40a, has realized base 1 and loam cake 2 sealed engagement between the two.What deserves to be mentioned is, in the another embodiment of the present invention, any hermetically-sealed construction that also can adopt other loam cake that can realize terminal box and base to be sealed and matched.
Simultaneously, solar photovoltaic assembly terminal box provided by the invention also comprises being used for fixing the locker that connects base 1 and loam cake 2.Particularly, as shown in Figures 2 and 3, locker comprises the padlock 50a that is arranged on the base 1 and is arranged on locked groove 50b on the loam cake 2, and locked groove 50b cooperates with padlock 50a, realizes both engage of base 1 and loam cake 2.That is to say, solar photovoltaic assembly terminal box provided by the invention, base 1 fits together in the mode that plugs together by above-mentioned locker with loam cake 2.Like this, connected mode is simple, and is easy to operate, in case when going wrong, loam cake 2 can separate out from base 1 easily, is convenient to maintenance, and can repeatedly uses, thereby reduced the use cost of terminal box.What deserves to be mentioned is, in the another embodiment of the present invention, any buckle structure that also can adopt other loam cake that can realize terminal box effectively to be connected and to be easy to split with base.
The explanation that the embodiment of the invention described above is only exemplary principle of the present invention and effect thereof, but not be used to limit the present invention, know and it will be understood by those skilled in the art that, under situation without departing from the spirit and scope of the present invention, all within the scope of the invention to any changes and improvements that the present invention did.The scope of the present invention, should as the application claim defined is as the criterion.
Claims (8)
1. the solar photovoltaic assembly terminal box comprises base (1), and the loam cake (2) that can be sealed and matched with base, and connector assembly (3) is characterized in that described connector assembly (3) is arranged in the loam cake (2);
Described base (1) is provided with first splicing ear (10), offer on the described base (1) opening (1a) that passes for the sheet metal (20) that is connected with the positive and negative electrode of solar panel and
Described connector assembly (3) comprises second splicing ear (30), and wherein, when described base (1) and described loam cake (2) were closed, described second splicing ear (30) was electrically connected with described first splicing ear (10).
2. solar photovoltaic assembly terminal box as claimed in claim 1 is characterized in that:
In described first splicing ear (10) and described second splicing ear (30) both one of have female end part (10a) and another has male end part (30a), when described base (1) and described loam cake (2) are closed, described female end part (10a) and described male end part (30a) press fit.
3. solar photovoltaic assembly terminal box as claimed in claim 2 is characterized in that:
Described male end part (30a) is an inserted sheet, and described female end part (10a) is can be for the socket of described inserted sheet insertion.
4. solar photovoltaic assembly terminal box as claimed in claim 1 is characterized in that:
Described connector assembly (3) also comprises diode (60) and is used for fixing described diode (60) and forms the conductor (31) that is electrically connected with described second splicing ear (30).
5. solar photovoltaic assembly terminal box as claimed in claim 4 is characterized in that:
Described conductor comprises the shell fragment (310) of pair of opposing, the top of described each shell fragment (310) is curled into two relative curved surfaces (310a) in the direction of another shell fragment (310), described curved surface (310a) can prop up the both sides of described diode (60) respectively, and also forms the slot (310b) for the pin insertion of described diode (60) on the described curved surface (310a).
6. solar photovoltaic assembly terminal box as claimed in claim 4 is characterized in that:
Described conductor (31) is integrally formed with described second splicing ear (30).
7. solar photovoltaic assembly terminal box as claimed in claim 1 is characterized in that:
Described base (1) fixes by locker with described loam cake (2) and is connected, and described locker comprises the padlock (50a) that is arranged on the described base (1) and is arranged on the locked groove (50b) that described loam cake (2) is gone up and cooperated with described padlock (50a).
8. solar photovoltaic assembly terminal box as claimed in claim 1 is characterized in that:
The periphery that is positioned at connector assembly (3) on the described base (1) offers the seal groove (40a) that is used to hold sealing ring (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102115598A CN102044571A (en) | 2009-10-26 | 2009-10-26 | Junction box for solar photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102115598A CN102044571A (en) | 2009-10-26 | 2009-10-26 | Junction box for solar photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102044571A true CN102044571A (en) | 2011-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102115598A Pending CN102044571A (en) | 2009-10-26 | 2009-10-26 | Junction box for solar photovoltaic module |
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| Country | Link |
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| CN (1) | CN102044571A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102244127A (en) * | 2011-06-16 | 2011-11-16 | 常熟市冠日新材料有限公司 | Junction box for solar photovoltaic module |
| CN102623514A (en) * | 2012-04-17 | 2012-08-01 | 保定维特瑞光电能源科技有限公司 | Plugging type radiating photovoltaic assembly diode capable of preventing mistaken installing and terminal box thereof |
| CN103944504A (en) * | 2014-04-25 | 2014-07-23 | 江苏九鼎光伏系统有限公司 | Plug-in photovoltaic battery pack junction box and wiring and installing method thereof |
| CN108599717A (en) * | 2018-06-26 | 2018-09-28 | 浙江晶科能源有限公司 | A kind of photovoltaic module |
-
2009
- 2009-10-26 CN CN2009102115598A patent/CN102044571A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102244127A (en) * | 2011-06-16 | 2011-11-16 | 常熟市冠日新材料有限公司 | Junction box for solar photovoltaic module |
| CN102244127B (en) * | 2011-06-16 | 2012-11-07 | 常熟市冠日新材料有限公司 | Junction box for solar photovoltaic module |
| CN102623514A (en) * | 2012-04-17 | 2012-08-01 | 保定维特瑞光电能源科技有限公司 | Plugging type radiating photovoltaic assembly diode capable of preventing mistaken installing and terminal box thereof |
| CN103944504A (en) * | 2014-04-25 | 2014-07-23 | 江苏九鼎光伏系统有限公司 | Plug-in photovoltaic battery pack junction box and wiring and installing method thereof |
| CN108599717A (en) * | 2018-06-26 | 2018-09-28 | 浙江晶科能源有限公司 | A kind of photovoltaic module |
| CN108599717B (en) * | 2018-06-26 | 2023-09-26 | 浙江晶科能源有限公司 | Photovoltaic module |
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Application publication date: 20110504 |