CN202905746U - Photovoltaic system and photovoltaic module junction box thereof - Google Patents
Photovoltaic system and photovoltaic module junction box thereof Download PDFInfo
- Publication number
- CN202905746U CN202905746U CN2012205697761U CN201220569776U CN202905746U CN 202905746 U CN202905746 U CN 202905746U CN 2012205697761 U CN2012205697761 U CN 2012205697761U CN 201220569776 U CN201220569776 U CN 201220569776U CN 202905746 U CN202905746 U CN 202905746U
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- module
- terminal
- plug
- photovoltaic
- box body
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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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Abstract
The utility model provides a photovoltaic module junction box. The photovoltaic module junction box comprises a pedestal installed on the back surface of a photovoltaic module, and a plug-in module plugged with the pedestal, wherein the pedestal comprises a box body, a plurality of first terminals accommodated in the box body, and a cable which is connected with the first terminals and led out from two sides of the box body; and the plug-in module comprises a body and a plurality of second terminals which are fixedly held in the body and butted with the first terminals. Compared with the prior art, through the split type design of the pedestal and the plug-in module, the photovoltaic module junction box provided by the utility model only needs to replace the plug-in module without rejecting the whole junction box when elements in the plug-in module are damaged, thereby the maintenance and application cost can be greatly reduced.
Description
Technical field
The utility model relates to field of photovoltaic power generation, relates in particular to a kind of for the terminal box on the photovoltaic module.
Background technology
Photovoltaic component terminal box is installed on the back side of photovoltaic module usually, is used for the both positive and negative polarity exit that the electric energy that produces in the photovoltaic module is drawn by terminal box is outwards exported.Existing terminal box mainly comprises box body, lid, be positioned at the diode of box body, the parts such as fin, above-mentioned parts will be directly installed on the photovoltaic module back side after encapsulating, and the parts such as diode in the box body can't be realized dismounting or change, terminal box shown in Chinese utility model patent notification number 202127028U patent, in order to reach outdoor dustproof, the effect of waterproof, its box body inside is a seal cavity, and the diode in the box body, fin etc. produce a large amount of heats easily in box body in normal operation, especially in the outdoor environment of cold and hot cataclysm, each parts occurs damaged easily in the situation of expanding with heat and contract with cold frequently, and in case a certain parts occur damaged, instant miscellaneous part is intact, also whole terminal box can only be carried out dismounting and change, thereby have a strong impact on useful life of terminal box, also increased manufacturing cost.
Therefore, necessaryly provide a kind of photovoltaic component terminal box to solve the problems of the technologies described above.
The utility model content
The technical problem that the utility model solves is to provide a kind of photovoltaic component terminal box, and it adopts split-type design, can greatly reduce maintenance cost.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of photovoltaic component terminal box comprises the pedestal that is installed on the photovoltaic module back side and the plug-in module of pegging graft with described pedestal; Described pedestal comprises box body, is contained in the some the first terminals in the described box body and the cable that connects described the first terminal and draw from described box body both sides, and described box body is provided with a base portion, extends outward and fix the alar part of described cable from the base portion both sides, reaches the docking section between both wing portions; Some the second terminals that described plug-in module comprises body and is immobilizated in the described body and docks with described the first terminal, described body be provided with a docking chamber of docking with described pedestal and a pair of lay respectively at both sides, described docking chamber and with the buckle arm of described docking section buckle.
Further improvement as the technical program, described docking section is provided with roof, two opposite side walls, reaches between described roof and sidewall and the slot that supplies described plug-in module to insert, and described sidewall is provided with and the bayonet socket of plug-in module buckle and the flange that turns down to the slot inboard.
As the further improvement of the technical program, described the second terminal in the form of sheets, described the first terminal is provided with the elastic contact arm of described the second terminal of a pair of clamping.
As the further improvement of the technical program, described base portion is provided with the opening that runs through box body, and described the first terminal is provided with the afterbody that extends into the contact site in the described slot and be positioned at described opening.
Further improvement as the technical program, described box body also is provided with a base that is positioned at described base portion and alar part bottom, described base support is in the below of described base portion and alar part so that form the gap between box body and the photovoltaic module back side, and described base is provided with some thermovents.
As the further improvement of the technical program, described alar part forms from the inclination extension of described base portion both sides, and is symmetrically distributed in the both sides of described docking section, and it is vertical that the bearing of trend of described both wing portions is 90 degree.
As the further improvement of the technical program, described plug-in module also comprises the LED lamp of the chip that is connected with described the second terminal, the described chip of some connections and is positioned at the fin of chip surface.
As the further improvement of the technical program, be integrated with the switch of some diodes, control LED lamp closure or openness in the described chip, described LED lamp is positioned at body surface and changes show state according to the operating state of diode.
A kind of photovoltaic system comprises photovoltaic module and is installed on terminal box on the photovoltaic module, and described terminal box is connected with battery strings in the described photovoltaic module, described terminal box comprise pedestal and with the plug-in module of described pedestal grafting;
Described pedestal comprises box body, is contained in the some the first terminals in the described box body and the cable that connects described the first terminal and draw from described box body both sides, and described box body is provided with a base portion, extends outward and fix the alar part of described cable from the base portion both sides, reaches the docking section between both wing portions;
Some the second terminals that described plug-in module comprises body and is immobilizated in the described body and docks with described the first terminal, described body be provided with a docking chamber of docking with described pedestal and a pair of lay respectively at both sides, described docking chamber and with the buckle arm of described docking section buckle.
As the further improvement of the technical program, described plug-in module also comprises some diodes that are parallel to the battery strings two ends, and described body surface is provided with the LED lamp that changes show state with the diode operation state.
Compared with prior art, the utility model photovoltaic component terminal box is by the split-type design of pedestal and plug-in module, when components and parts are damaged in the plug-in module, only need change plug-in module and get final product, need not to scrap whole terminal box, thereby the cost that can greatly reduce maintenance, use.
Description of drawings
Fig. 1 is the stereogram of photovoltaic component terminal box described in the utility model.
Fig. 2 is the decomposed figure of photovoltaic component terminal box described in the utility model.
Fig. 3 is the exploded view of photovoltaic component terminal box pedestal described in the utility model.
Fig. 4 is the bottom view of photovoltaic component terminal box pedestal described in the utility model.
Fig. 5 is the stereogram of photovoltaic component terminal box plug-in module described in the utility model.
Fig. 6 is the exploded view of photovoltaic component terminal box plug-in module described in the utility model.
Fig. 7 is the exploded view of another angle of photovoltaic component terminal box described in the utility model.
Fig. 8 is the circuit theory diagrams of photovoltaic component terminal box described in the utility model.
Embodiment
See also Fig. 1 to shown in Figure 8, the utility model provides a kind of photovoltaic component terminal box 100, comprises pedestal 10 and the plug-in module 20 of pegging graft with described pedestal.Described pedestal 10 is installed on the back side 201 of photovoltaic module 200, described pedestal 10 and the parallel and described back side 201 of the grafting direction of plug-in module 20, and described photovoltaic module 200 consists of a photovoltaic system with described terminal box 100.
See also Fig. 2 to shown in Figure 4, described pedestal 10 comprises box body 11, is contained in the some the first terminals 12 in the described box body and the cable 13 that connects described the first terminal and draw from described box body both sides.
Described box body 11 is provided with a base portion 111, the alar part 112 that extends outward from the base portion both sides, the docking section 113 between both wing portions and is positioned at described base portion and the base 114 of alar part bottom, wherein, described base portion 111 is provided with the opening 115 that runs through box body, is used for holding the afterbody of described the first terminal 12; Described alar part 112 forms from the inclination extension of described base portion 111 both sides, and be symmetrically distributed in the both sides of described docking section 113, it is vertical that the bearing of trend of described both wing portions 112 is 90 degree, so can save cable, also make things convenient for and be connected with the adjacent light photovoltaic assembly, described alar part 112 is provided with the accommodation hole 116 that holds described cable, and this accommodation hole 116 connects to described opening 115, so that cable 13 can enter being connected of opening 115 interior realizations and the first terminal 12 by accommodation hole 116; The slot 1133 that described docking section 113 is provided with roof 1131, two opposite side walls 1132, reaches between described roof and sidewall and supply described plug-in module 20 to insert, described sidewall 1132 are provided with and the bayonet socket 1134 of plug-in module 20 buckles and the flange 1135 that turn down to slot 1133 inboards; Described base 114 is supported in the below of described base portion 111 and alar part 112, and described base 114 is provided with some thermovents 117, described thermovent 117 lays respectively at the below of described alar part 112, base portion opening 115, being arranged so that of described base 114 formed the gap between box body 11 and the photovoltaic module back side, add the setting of thermovent 117 on the upper bed-plate, can greatly improve the heat radiation situation of box body 11.
Described the first terminal 12 is contained in the described base portion 111, and be provided with the afterbody 122 that extends into the contact site 121 in the described slot 1133 and be positioned at described opening 115, described contact site 121 comprises the elastic contact arm of a pair of relative turnover, and two the first terminals of initial and end also are provided with a linking arm 123 that is connected with described cable.
Described cable 13 extends from described alar part 112, and the angle between two cables be 90 the degree, the adjacent photovoltaic module of connection that so can be convenient.
See also Fig. 5, shown in Figure 6, described plug-in module 20 comprises body 21, be immobilizated in described intrinsic some the second terminals 22, be positioned at the body bottom base plate 23, be carried on the described base plate 23 and the LED lamp 25 of the chip 24 that is connected with described the second terminal 22, the described chip 24 of some connections and be positioned at the fin 26 on chip 24 surfaces.
Described body 21 is provided with a docking chamber 27 of docking with described pedestal 10 and a pair of buckle arm 28 that lays respectively at 27 both sides, described docking chamber.Described docking chamber 27 is used for holding described the second terminal 22.Described buckle arm 28 is used for being clasped with the bayonet socket of described box body docking section, and realization plug-in module 20 is fixedly connected with box body 11.
Described the second terminal 22 in the form of sheets, and be provided with one with the extended fixed part 222 of main part 221, autonomous agent one lateral buckling of described the first terminal 12 docking and the connecting portion 223 that is positioned at main part 221 1 ends and is connected with chip 24.Described main part 221 in the form of sheets, it is inserted between two elastic contact arms of described the first terminal 12, and is subject to the clamping of two elastic contact arms.
Described LED lamp 25 is positioned at body 21 surfaces, and whether it has the function that shows the diode operation state, work with this cell piece that detects in the photovoltaic module, so that terminal box of the present utility model has self-checking function.
See also shown in Figure 8, for utilizing terminal box of the present utility model, photovoltaic module realizes circuit theory diagrams in the preferred forms of self-checking function, described chip 24 is integrated some diodes that are parallel to the battery strings two ends, the switch of control LED lamp closure or openness, be parallel to the comparator at each diode two ends and connect described comparator and switch and drive described switch open or closed driver, wherein, each battery strings in the photovoltaic module (such as battery strings 1 to battery strings 3) is by a diode, a driver and a comparator are in charge of, and detailed process is:
When certain part cell piece produces hot spot effect because light is blocked in the battery strings 1, the terminal voltage at diode 1 two ends can be from about+the 10V() be changed to rapidly-0.3V(about), at this moment, comparator 1 can detect the signal of the terminal voltage variation at diode 1 two ends, drive switch 1 closure of often opening by driver 1, thus, it is luminous that terminal voltage at LED lamp 1 two ends can trigger LED lamp 1, thereby embody the variation of the terminal voltage at diode 1 two ends, be that diode is switched on and has shunted, diode 1 can enter normal operating conditions after hot spot effect occured battery strings 1, illustrate that diode 1 is in installation, be damaged in the production processes such as encapsulation, in addition, power consumption is unlikely to excessive when preventing LED lamp 1 work, at a side of the described LED lamp 1 resistance flow restricter (not shown) of can connecting, come the electric current of restricted passage LED lamp 1.So, having realized the self-checking function of terminal box by described comparator, driver, switch and LED lamp, in like manner, also is so for battery strings 2, battery strings 3, repeats no more.Than prior art, the described self-checking function of the utility model terminal box can make operating personnel conveniently get information about the operating state of diode, thereby judge whether diode can work, whether in installation process, received damage, so locate very easily impaired diode, greatly facilitate production, installation procedure, also reduced maintenance cost.
In sum, photovoltaic component terminal box described in the utility model is by the split design of pedestal and plug-in module, so that the installation of terminal box, safeguard more convenient, after diode in the plug-in module is impaired, only needing to change plug-in module gets final product, need not to scrap whole terminal box, thus the cost that greatly reduces production, safeguards.And by the indication of LED lamp, can make things convenient for, get information about the damage situations of diode, be very easy to production, use.
The above; it only is most preferred embodiment of the present utility model; be not that the utility model is done any pro forma restriction; any those of ordinary skill in the art; do not breaking away from the technical solutions of the utility model scope situation; utilize the method content of above-mentioned announcement that technical solutions of the utility model are made many possible changes and modification, all belong to the scope of claims protection.
Claims (10)
1. a photovoltaic component terminal box is characterized in that: comprise the pedestal that is installed on the photovoltaic module back side and the plug-in module of pegging graft with described pedestal;
Described pedestal comprises box body, is contained in the some the first terminals in the described box body and the cable that connects described the first terminal and draw from described box body both sides, and described box body is provided with a base portion, extends outward and fix the alar part of described cable from the base portion both sides, reaches the docking section between both wing portions;
Some the second terminals that described plug-in module comprises body and is immobilizated in the described body and docks with described the first terminal, described body be provided with a docking chamber of docking with described pedestal and a pair of lay respectively at both sides, described docking chamber and with the buckle arm of described docking section buckle.
2. photovoltaic component terminal box according to claim 1, it is characterized in that: described docking section is provided with roof, two opposite side walls, reaches between described roof and sidewall and the slot that supplies described plug-in module to insert, and described sidewall is provided with and the bayonet socket of plug-in module buckle and the flange that turns down to the slot inboard.
3. photovoltaic component terminal box according to claim 2 is characterized in that: described the second terminal in the form of sheets, described the first terminal is provided with the elastic contact arm of described the second terminal of a pair of clamping.
4. photovoltaic component terminal box according to claim 3, it is characterized in that: described base portion is provided with the opening that runs through box body, and described the first terminal is provided with the afterbody that extends into the contact site in the described slot and be positioned at described opening.
5. photovoltaic component terminal box according to claim 4, it is characterized in that: described box body also is provided with a base that is positioned at described base portion and alar part bottom, described base support is in the below of described base portion and alar part so that form the gap between box body and the photovoltaic module back side, and described base is provided with some thermovents.
6. photovoltaic component terminal box according to claim 5 is characterized in that: described alar part tilts to extend from described base portion both sides and forms, and is symmetrically distributed in the both sides of described docking section, and it is vertical that the bearing of trend of described both wing portions is 90 degree.
7. the described photovoltaic component terminal box of any one according to claim 1-6 is characterized in that: described plug-in module also comprises the LED lamp of the chip that is connected with described the second terminal, the described chip of some connections and is positioned at the fin of chip surface.
8. photovoltaic component terminal box according to claim 7 is characterized in that: be integrated with the switch of some diodes, control LED lamp closure or openness in the described chip, described LED lamp is positioned at body surface and changes show state according to the operating state of diode.
9. photovoltaic system comprises photovoltaic module and is installed on terminal box on the photovoltaic module, and described terminal box is connected with battery strings in the described photovoltaic module, it is characterized in that: described terminal box comprise pedestal and with the plug-in module of described pedestal grafting;
Described pedestal comprises box body, is contained in the some the first terminals in the described box body and the cable that connects described the first terminal and draw from described box body both sides, and described box body is provided with a base portion, extends outward and fix the alar part of described cable from the base portion both sides, reaches the docking section between both wing portions;
Some the second terminals that described plug-in module comprises body and is immobilizated in the described body and docks with described the first terminal, described body be provided with a docking chamber of docking with described pedestal and a pair of lay respectively at both sides, described docking chamber and with the buckle arm of described docking section buckle.
10. photovoltaic system according to claim 9, it is characterized in that: described plug-in module also comprises some diodes that are parallel to the battery strings two ends, described body surface is provided with the LED lamp that changes show state with the diode operation state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205697761U CN202905746U (en) | 2012-11-01 | 2012-11-01 | Photovoltaic system and photovoltaic module junction box thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205697761U CN202905746U (en) | 2012-11-01 | 2012-11-01 | Photovoltaic system and photovoltaic module junction box thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202905746U true CN202905746U (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205697761U Withdrawn - After Issue CN202905746U (en) | 2012-11-01 | 2012-11-01 | Photovoltaic system and photovoltaic module junction box thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202905746U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103311345A (en) * | 2013-06-17 | 2013-09-18 | 阿特斯(中国)投资有限公司 | Photovoltaic junction box and photovoltaic components |
| CN103795339A (en) * | 2012-11-01 | 2014-05-14 | 阿特斯(中国)投资有限公司 | Photovoltaic system and photovoltaic assembly connection box thereof |
-
2012
- 2012-11-01 CN CN2012205697761U patent/CN202905746U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103795339A (en) * | 2012-11-01 | 2014-05-14 | 阿特斯(中国)投资有限公司 | Photovoltaic system and photovoltaic assembly connection box thereof |
| CN103795339B (en) * | 2012-11-01 | 2016-08-03 | 阿特斯(中国)投资有限公司 | Photovoltaic system and photovoltaic component terminal box thereof |
| CN103311345A (en) * | 2013-06-17 | 2013-09-18 | 阿特斯(中国)投资有限公司 | Photovoltaic junction box and photovoltaic components |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130424 Effective date of abandoning: 20160803 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |