CN204810226U - A terminal box for crystal silicon solar PV modules - Google Patents
A terminal box for crystal silicon solar PV modules Download PDFInfo
- Publication number
- CN204810226U CN204810226U CN201520554094.7U CN201520554094U CN204810226U CN 204810226 U CN204810226 U CN 204810226U CN 201520554094 U CN201520554094 U CN 201520554094U CN 204810226 U CN204810226 U CN 204810226U
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- CN
- China
- Prior art keywords
- cassette holder
- briquetting
- cable
- conductive plate
- terminal box
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- 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.)
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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 provides a terminal box for crystal silicon solar PV modules, belongs to solar PV cells subassembly technical field. Including lid, cassette holder, current conducting plate, a set of bypass diode, cable and a pair of briquetting, lid and cassette holder scarf, current conducting plate, a set of bypass diode, cable and a pair of briquetting setting in the die cavity of cassette holder, characteristics: the cassette holder is trapezoidally and has a pair of briquetting seat in the both sides on trapezoidal long base along base direction salient, and the cable passes through the briquetting, and fix on the cassette holder with the cooperation of briquetting seat and the one end of cable is connected with the current conducting plate, the current conducting plate have a set ofly and transverse arrangement in the die cavity, pass through the bypass diode connection between the two adjacent current conducting plates. Avoid appearing because of one of them current conducting plate damages the condition that leads to unable work, increase heat radiating area, and the radiating effect is good. Prevent that the cable from turning round the damage, avoid a glue outwards to stretch and cause the lid adhesion, seal situations such as glue spills over, the be convenient for installation and the dismantlement of busbar, behind the encapsulating get up cable and the whole claddings in the junction of current conducting plate.
Description
Technical field
The utility model belongs to solar photovoltaic battery component technical field, is specifically related to a kind of terminal box for crystal silicon solar photovoltaic module.
Background technology
Solar photovoltaic assembly terminal box is the significant components that solar energy exports, mainly comprise terminal box body, the bypass diode be located in box body, electric wire and cable connector, usually between solar module and solar charging device, and be bonded together by the backboard of silica gel and solar components.Wherein, bypass diode undermines solar-energy photo-voltaic cell for preventing reverse charging and prevents from causing because of a solar-energy photo-voltaic cell short circuit parts that whole solar-energy photo-voltaic cell cannot normally work, in solar energy power generating process, the electric current flowing through bypass diode can make it generate heat, and the heat distributed is dispersed into the external world by terminal box body.
And current solar cell is gradually to the future development of high-power high-current, the watt level of the bypass diode in junction box body and the height of terminal box degree of heat radiation closely related, namely the radiating effect of terminal box is better, then the power of bypass diode just can correspondingly increase.Because now market being badly in need of a kind of terminal box with the solar photovoltaic assembly of better heat dissipation effect, in order to solve bypass diode because power is little, the fragile and flimsy problem of thermal endurance, while guarantee solar photovoltaic battery component normally works, the high power of solar photovoltaic battery component can also be kept.
For above-mentioned prior art, be necessary the structure rational modification in addition to existing solar photovoltaic assembly terminal box.For this reason, the applicant has done positive and useful design, and defines technical scheme described below.
Summary of the invention
The purpose of this utility model be to provide one contribute to improve radiating effect use corresponding increase diode power and ensure that solar photovoltaic assembly normally works, be conducive to bypass diode series connection use avoid wherein one conductive plate damage and make the out-of-work terminal box for crystal silicon solar photovoltaic module of whole solar photovoltaic assembly.
The purpose of this utility model reaches like this, a kind of terminal box for crystal silicon solar photovoltaic module, comprise a lid, one cassette holder, conductive plate, one group of bypass diode, cable and a pair briquetting, described lid using state towards under edge portion projection have circle first connecting wall and offer caulking groove on the left and right sides inwall of described first connecting wall, described cassette holder using state towards on a upper process the second connecting wall of having a circle to match with the first connecting wall, the second described connecting wall is provided with a pair and buckle of mutually scarf corresponding with caulking groove position on the outer wall of the left and right sides, described conductive plate, one group of bypass diode, cable and a pair briquetting are separately positioned in the die cavity become by the second connecting wall enclosure in cassette holder, it is characterized in that: described cassette holder is trapezoidal and is extruded with a pair briquetting seat in the both sides on trapezoidal long base along direction, base, described cable is coordinated by briquetting and briquetting seat and to be fixed on cassette holder and one end of cable is connected with conductive plate, described conductive plate has one group and is horizontally arranged in described die cavity, connected by bypass diode between adjacent two conductive plates.
In a specific embodiment of the present utility model, described cassette holder offers one group of first cylindrical void that confluxes, described first confluxes interruption-like transverse direction or the longitudinal direction being given in cassette holder of cylindrical void, and the adjacent first projection respectively of confluxing between cylindrical void has one to overflow glue groove; One group of first cylindrical void that confluxes is other is also offering one group of second cylindrical void that confluxes to described cassette holder corresponding to, and described second confluxes interruption-like transverse direction or the longitudinal direction being given in cassette holder of cylindrical void, and position is corresponding with the position of one group of first cylindrical void that confluxes.
In another specific embodiment of the present utility model, described cassette holder also offers a pair fabrication hole, a pair fabrication hole is close to a pair briquetting seat side and is positioned at the junction of cable and conductive plate.
In another specific embodiment of the present utility model, on described cassette holder, also projection has one group of isolation strip, and described isolation strip is disposed between adjacent two conductive plates, for isolating and fixing the effect of described conductive plate.
In another specific embodiment of the present utility model, described conductive plate offers location hole, the reference column that described location hole and cassette holder are preset is connected, and realizes being fixedly connected with between conductive plate with cassette holder by hot anchor.
Also have in a specific embodiment of the present utility model, described briquetting is U-shaped and tip upside down on corresponding briquetting seat, there is the first card muscle bottom the U-type groove of briquetting, the first described card muscle matches with the second card muscle of briquetting seat upper process, in the U-type groove that described cable clamp is located at briquetting and by the first card muscle and the sealing of the second card muscle fixing; Ultrasonic bonding is passed through between the briquetting seat of described briquetting and described cassette holder.
In an of the present utility model and then specific embodiment, described lid is trapezoidal and offers a pair ventilation slot respectively on first connecting wall on trapezoidal minor face and long limit, and ventilation slot is used for ventilating, to guarantee the Quick-gasifying of ponding between gap.
More of the present utility model and in a specific embodiment, the both sides of described bypass diode have the first pin, the second pin respectively, bypass diode is connected and fixed wherein on a conductive plate by the mode of the first pin electric resistance welding, is affixed on aforementioned another adjacent conductive plate by the mode of the second pin electric resistance welding.
In an again of the present utility model and then specific embodiment, the mode by electric resistance welding between described conductive plate and cable is connected and fixed, to improve closeness of contact and to reduce contact resistance.
Of the present utility model again more and in a specific embodiment, the quantity of described conductive plate is two or more.
In more of the present utility model and then specific embodiment, the components and parts in described cassette holder complete be linked and packed after casting glue is carried out to the inside of die cavity.
The utility model is due to after employing said structure, and the beneficial effect had: first, due to the structure that one group of conductive plate is connected mutually by bypass diode, thus avoids one of them conductive plate and damage and cause the situation that cannot work to occur; Two, because conductive plate is connected with transversely arranged structure mutually by bypass diode, thus increase area of dissipation, improve radiating effect; Three, owing to carrying out casting glue process to die cavity, ensure that terminal box integral heat sink performance, thus further increase thermal diffusivity, extend the lasting service time of terminal box; Four, be trapezoidal due to cassette holder and be extruded with a pair briquetting seat in both sides, trapezoidal long base along direction, base, both sides cable retreads and stretches out completing assembly connection, thus can prevent cable from turning round damage, improve the useful life of terminal box; Five, owing to being provided with excessive glue groove in die cavity, unnecessary sealing can being introduced in casting glue processing procedure and overflow in glue groove, thus avoid sealing outwards to spread and cause the situation such as lid adhesion, sealing spilling; Six, the cylindrical void that confluxes is given on cassette holder with horizontal or longitudinal mode interval, is convenient to the installation and removal of busbar; Seven, it is other and be positioned at the junction of cable and conductive plate that a pair fabrication hole is close to a pair briquetting seat, is convenient to all coated for the junction of cable and conductive plate after encapsulating.
Accompanying drawing explanation
Fig. 1 is the perspective view of the utility model one embodiment.
Fig. 2 is the vertical view of cassette holder described in the utility model after being provided with conductive plate, bypass diode, briquetting and cable.
In figure: 1. lid, 11. first connecting walls, 111. caulking grooves, 112. ventilation slots; 2. cassette holder, 21. second connecting walls, 211. buckles, 22. die cavities, 23. briquetting seats, 231. second card muscle, 24. first cylindrical void, the 25. glue grooves, 26. second that overflow that conflux conflux cylindrical void, 27. fabrication holes, 28. isolation strip, 29. reference columns; 3. conductive plate, 31. location holes; 4. bypass diode, 41. first pins, 42. second pins; 5. cable; 6. briquetting, 61. first card muscle.
Embodiment
Applicant will elaborate below by way of example, but not all the restriction to technical solutions of the utility model to the description of embodiment, any according to being only pro forma but not substantial equivalent transformation and all should being considered as the technical solution of the utility model category done by the utility model design.
Refer to Fig. 1 and composition graphs 2, the utility model relates to a kind of terminal box for crystal silicon solar photovoltaic module, comprise a lid 1, one cassette holder 2, conductive plate 3, one group of bypass diode 4, cable 5 and a pair briquetting 6, described lid 1 using state towards under edge portion projection have circle first connecting wall 11 and offer caulking groove 111 on the left and right sides inwall of described first connecting wall 11, described cassette holder 2 using state towards on a upper process the second connecting wall 21 of having a circle to match with the first connecting wall 11, the second described connecting wall 21 is provided with a pair and buckle 211 of mutually scarf corresponding with caulking groove 111 position on the outer wall of the left and right sides, described conductive plate 3, one group of bypass diode 4, cable 5 is separately positioned in the die cavity 22 become by the second connecting wall 21 enclosure in cassette holder 2 with a pair briquetting 6, described cassette holder 2 is trapezoidal and is extruded with a pair briquetting seat 23 in the both sides on trapezoidal long base along direction, base, described cable 5 is coordinated by briquetting 6 and briquetting seat 23 and to be fixed on cassette holder 2 and one end of cable 5 is connected with conductive plate 3, described conductive plate 3 has one group and is horizontally arranged in described die cavity 22, connected by bypass diode 4 between adjacent two conductive plates 3.
Further, described cassette holder 2 offers one group of first cylindrical void 24 that confluxes, described first confluxes interruption-like transverse direction or the longitudinal direction being given in cassette holder 2 of cylindrical void 24, and the adjacent first projection respectively of confluxing between cylindrical void 24 has one to overflow glue groove 25; Described cassette holder 2 is also offering one group of second cylindrical void 26 that confluxes corresponding to one group of first cylindrical void 24 side of confluxing, described second confluxes interruption-like transverse direction or the longitudinal direction being given in cassette holder 2 of cylindrical void 26, and position is corresponding with the position of one group of first cylindrical void 24 that confluxes.Described cassette holder 2 also offers a pair fabrication hole 27, a pair fabrication hole 27 is close to a pair briquetting seat 23 side and is positioned at the junction of cable 5 and conductive plate 3, after being convenient to encapsulating, cable 5 is all coated with the junction of conductive plate 3.
Further, on described cassette holder 2, also projection has one group of isolation strip 28, and described isolation strip 28 is disposed between adjacent two conductive plates 3, for isolating and fixing the effect of described conductive plate 3.
Further, described conductive plate 3 offers location hole 31, the reference column 29 that described location hole 31 and cassette holder 2 are preset is connected, and realizes being fixedly connected with between conductive plate 3 with cassette holder 2 by hot anchor.
Further, described briquetting 6 is U-shaped and tip upside down on corresponding briquetting seat 23, there is the first card muscle 61 bottom the U-type groove of briquetting 6, the first described card muscle 61 matches with the second card muscle 231 of briquetting seat 23 upper process, in the U-type groove that described cable 5 is fastened on briquetting 6 and by the first card muscle 61 and the sealing of the second card muscle 231 fixing; Ultrasonic bonding is passed through between described briquetting 6 and the briquetting seat 23 of described cassette holder 2.
Further, described lid 1 in trapezoidal and offer a pair ventilation slot 112 respectively on first connecting wall 11 of trapezoidal minor face with long limit, ventilation slot 112 for ventilation, to guarantee the Quick-gasifying of ponding between gap.
Further, the both sides of described bypass diode 4 have the first pin 41, second pin 42 respectively, bypass diode 4 is connected and fixed wherein on a conductive plate 3 by the first pin 41 mode of electric resistance welding, is affixed on aforementioned another adjacent conductive plate 3 by the second pin 42 mode of electric resistance welding.
Further, be connected and fixed by the mode of electric resistance welding between described conductive plate 3 and cable 5, to improve closeness of contact and to reduce contact resistance.
Further, the quantity of described conductive plate 3 is two or more.
Further, the components and parts in described cassette holder 2 complete be linked and packed after casting glue is carried out to the inside of die cavity 22.
Refer to Fig. 1 and composition graphs 2, describe mounting means of the present utility model: cassette holder 2 back side of terminal box by silicone adhesive on the backboard of solar photovoltaic assembly, the busbar of solar photovoltaic assembly is each passed through and is opened in cylindrical void 24 and second cylindrical void 26 that confluxes that confluxes of first on described cassette holder 2 and enters in die cavity 22 and be fixedly connected with the welding manner of scolding tin with conductive plate 3, finally lid 1 is fixed on described cassette holder 2 by the Qian He of the buckle 211 on caulking groove 111 and cassette holder 2, to protect the components and parts of cassette holder 2 inside, prevent electrostatic, be convenient to non-crystal silicon solar energy photovoltaic module in outdoor application.
Claims (10)
1.
a kind of terminal box for crystal silicon solar photovoltaic module, comprise a lid (1), one cassette holder (2), conductive plate (3), one group of bypass diode (4), cable (5) and a pair briquetting (6), described lid (1) using state towards under edge portion projection have circle first connecting wall (11) and offer caulking groove (111) on the left and right sides inwall of described first connecting wall (11), described cassette holder (2) using state towards on a upper process the second connecting wall (21) of having a circle to match with the first connecting wall (11), described the second connecting wall (21) is provided with a pair and buckle (211) of mutually scarf corresponding with caulking groove (111) position on the outer wall of the left and right sides, described conductive plate (3), one group of bypass diode (4), cable (5) and a pair briquetting (6) are separately positioned in the die cavity (22) become by the second connecting wall (21) enclosure in cassette holder (2), it is characterized in that: described cassette holder (2) is in trapezoidal and be extruded with a pair briquetting seat (23) in the both sides on trapezoidal long base along direction, base, described cable (5) is coordinated by briquetting (6) and briquetting seat (23) and is fixed on the upper and one end of cable (5) of cassette holder (2) and is connected with conductive plate (3), described conductive plate (3) has one group and is horizontally arranged in described die cavity (22), connected by bypass diode (4) between adjacent two conductive plates (3).
2.
a kind of terminal box for crystal silicon solar photovoltaic module according to claim 1, it is characterized in that described cassette holder (2) offering one group of first cylindrical void (24) that confluxes, described first confluxes interruption-like transverse direction or the longitudinal direction being given in cassette holder (2) of cylindrical void (24), and the adjacent first projection respectively of confluxing between cylindrical void (24) has one to overflow glue groove (25); Described cassette holder (2) is also offering one group of second cylindrical void (26) that confluxes corresponding to one group of first cylindrical void (24) side of confluxing, described second confluxes interruption-like transverse direction or the longitudinal direction being given in cassette holder (2) of cylindrical void (26), and position is corresponding with the position of one group of first cylindrical void (24) that confluxes.
3.
a kind of terminal box for crystal silicon solar photovoltaic module according to claim 1, it is characterized in that described cassette holder (2) also offers a pair fabrication hole (27), a pair fabrication hole (27) is close to a pair briquetting seat (23) side and is positioned at the junction of cable (5) and conductive plate (3).
4.
a kind of terminal box for crystal silicon solar photovoltaic module according to claim 1, it is characterized in that the upper also projection of described cassette holder (2) has one group of isolation strip (28), described isolation strip (28) is disposed between adjacent two conductive plates (3), for isolating and fixing the effect of described conductive plate (3).
5.
a kind of terminal box for crystal silicon solar photovoltaic module according to claim 1, it is characterized in that described conductive plate (3) offers location hole (31), described location hole (31) is connected with the upper reference column (29) preset of cassette holder (2), and realizes being fixedly connected with between conductive plate (3) with cassette holder (2) by hot anchor.
6.
a kind of terminal box for crystal silicon solar photovoltaic module according to claim 1, it is characterized in that described briquetting (6) is U-shaped and tip upside down on corresponding briquetting seat (23), there is the first card muscle (61) bottom the U-type groove of briquetting (6), the first described card muscle (61) matches with the second card muscle (231) of briquetting seat (23) upper process, and interior also the sealing by the first card muscle (61) and the second card muscle (231) of U-type groove that described cable (5) is fastened on briquetting (6) is fixed; Ultrasonic bonding is passed through between described briquetting (6) and the briquetting seat (23) of described cassette holder (2).
7.
a kind of terminal box for crystal silicon solar photovoltaic module according to claim 1, it is characterized in that described lid (1) is in trapezoidal and offer a pair ventilation slot (112) respectively on first connecting wall (11) on trapezoidal minor face and long limit, ventilation slot (112) for ventilate, to guarantee the Quick-gasifying of ponding between gap.
8.
a kind of terminal box for crystal silicon solar photovoltaic module according to claim 1, it is characterized in that the both sides of described bypass diode (4) have the first pin (41), the second pin (42) respectively, bypass diode (4) is connected and fixed wherein on a conductive plate (3) by the first pin (41) mode of electric resistance welding, is affixed on aforementioned adjacent another conductive plate (3) by the second pin (42) mode of electric resistance welding.
9.
a kind of terminal box for crystal silicon solar photovoltaic module according to claim 1, it is characterized in that being connected and fixed by the mode of electric resistance welding between described conductive plate (3) and cable (5), to improve closeness of contact and to reduce contact resistance.
10.
a kind of terminal box for crystal silicon solar photovoltaic module according to claim 1, is characterized in that the quantity of described conductive plate (3) is two or more; Components and parts in described cassette holder (2) complete be linked and packed after casting glue is carried out to the inside of die cavity (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520554094.7U CN204810226U (en) | 2015-07-28 | 2015-07-28 | A terminal box for crystal silicon solar PV modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520554094.7U CN204810226U (en) | 2015-07-28 | 2015-07-28 | A terminal box for crystal silicon solar PV modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204810226U true CN204810226U (en) | 2015-11-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520554094.7U Expired - Fee Related CN204810226U (en) | 2015-07-28 | 2015-07-28 | A terminal box for crystal silicon solar PV modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204810226U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848662A (en) * | 2017-02-17 | 2017-06-13 | 江苏天昇光伏科技有限公司 | A kind of photovoltaic termination |
| CN108923744A (en) * | 2018-09-06 | 2018-11-30 | 江西晶科光伏材料有限公司 | The anti-loaded photovoltaic junction box and preparation method thereof of anti-diode |
| CN109075739A (en) * | 2016-02-29 | 2018-12-21 | 韩华新能源（德国）有限责任公司 | The covering element of terminal box for solar energy module |
-
2015
- 2015-07-28 CN CN201520554094.7U patent/CN204810226U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109075739A (en) * | 2016-02-29 | 2018-12-21 | 韩华新能源（德国）有限责任公司 | The covering element of terminal box for solar energy module |
| CN109075739B (en) * | 2016-02-29 | 2021-11-09 | 韩华新能源（德国）有限责任公司 | Covering element for a junction box of a solar module |
| CN106848662A (en) * | 2017-02-17 | 2017-06-13 | 江苏天昇光伏科技有限公司 | A kind of photovoltaic termination |
| CN108923744A (en) * | 2018-09-06 | 2018-11-30 | 江西晶科光伏材料有限公司 | The anti-loaded photovoltaic junction box and preparation method thereof of anti-diode |
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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: 20151125 Termination date: 20200728 |