CN202196791U - Terminal box of photovoltaic assembly - Google Patents
Terminal box of photovoltaic assembly Download PDFInfo
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- CN202196791U CN202196791U CN2011201618658U CN201120161865U CN202196791U CN 202196791 U CN202196791 U CN 202196791U CN 2011201618658 U CN2011201618658 U CN 2011201618658U CN 201120161865 U CN201120161865 U CN 201120161865U CN 202196791 U CN202196791 U CN 202196791U
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- terminal box
- module 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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Abstract
The utility model discloses a terminal box of a photovoltaic assembly, which comprises a first portion, a second portion and at least two cables. The first portion comprises at least one first connector fixed on a photovoltaic assembly. The first connector comprises an insulated first body and at least two first connecting terminals that are fixed corresponding to the first body. The first connecting terminals respectively are connected with the bus bars of the photovoltaic assembly in an electric manner. The second portion comprises a second connector and electronic components, wherein the second connector is detachably mated with the first connector. The second connector comprises an insulated second body and at least two second connecting terminals that are fixed corresponding to the second body. The electronic components are electrically connected with the second connecting terminals. Each cable is at least electrically connected with one second connecting terminal. When the second portion is mated with the first portion, the first connector is mutually plugged with the second connector, and the first connecting terminals are electrically connected with the second connecting terminals, respectively. The terminal box of a photovoltaic assembly is convenient for maintenance.
Description
Technical field
The utility model relates to the photovoltaic applied technical field, relates in particular to a kind of photovoltaic module terminal box.
Background technology
Along with the exhaustion day by day of global energy resource, the human paces of seeking the new alternative type energy are also in continuous quickening.Solar energy is a kind of renewable resource.With conversion of solar energy is that electric energy can energy savings, alleviates the power shortage problem, can reduce environmental pollution again, and therefore, solar-photovoltaic technology more and more receives the public's concern and favor.Solar cell is by the material that can produce photovoltaic effect, processes such as silicon, GaAs, selenium indium copper or other materials etc., thereby utilizes photovoltaic effect that transform light energy is become electric energy.The photovoltaic module that is combined by the multi-disc solar battery cell is at present come into operation in a large number, and for example, photovoltaic module is applied to making up electricity generation system, or is used for as the curtain wall of building or to be installed on the roof of building first-class.
The photovoltaic module terminal box then is to be used to realize the interconnected of photovoltaic module and external power source assembly, thereby the power of photovoltaic module is outputed to the outside.Simultaneously, the photovoltaic module terminal box also is the crucial jockey that photovoltaic module is made system, and the effect of photovoltaic module terminal box is to prevent to produce when the photovoltaic module part is blocked the hot spot effect.In the photovoltaic module terminal box, generally include a plurality of functional parts, for example be used to connect splicing ear, the diode that plays the bypass effect and the cable etc. of the busbar of photovoltaic module.
In use, need the photovoltaic module terminal box be fixed on the photovoltaic module to carry out power transfer work usually.Yet existing photovoltaic module terminal box adopts the integral type manufacturing mostly, is to adopt the structure processing of lid and box body even the minority model is arranged, but also adopts the encapsulating integral sealing after being shaped, and can't realize separating.The photovoltaic module terminal box of this integral structure is the back side of integral adhesive at photovoltaic module; Therefore, after the photovoltaic module terminal box is installed on the photovoltaic module, in case any fault in use appears in the photovoltaic module terminal box; The words that for example certain functional part damages in the box; Then can not easily the photovoltaic module terminal box be disassembled from photovoltaic module this moment, need overall pulling down photovoltaic module terminal box, but this be easy to photovoltaic module is caused damage; Make the overall optical photovoltaic assembly to use, thereby cause the maintenance cost of photovoltaic module terminal box quite high.
Therefore, be necessary to provide improved technical scheme to overcome the technical problem that exists in the prior art.
The utility model content
The technical problem underlying that the utility model will solve provides a kind of photovoltaic module terminal box, and it is convenient to safeguard.
For solving the problems of the technologies described above, the utility model provides a kind of photovoltaic module terminal box, and it comprises:
First; It comprises at least one first connector that is fixed to photovoltaic module; Said first connector comprises that first body of insulation reaches at least two first splicing ears with respect to said first body-fixed, and said first splicing ear is electrically connected the busbar of said photovoltaic module respectively;
Second portion; It comprises second connector and the electronic component that removably cooperates with said first connector; Said second connector comprises that second body of insulation reaches at least two second splicing ears with respect to said second body-fixed, and said electronic component is electrically connected with said second splicing ear; And
At least two cables, every cable is electrically connected said second splicing ear at least,
When said second portion cooperated with said first, said first connector and said second connector were pegged graft each other, and said first splicing ear is electrically connected with said second splicing ear respectively.
Preferably; Said second connector also comprises the conductive substrate with respect to said second body-fixed; Said conductive substrate comprises and a considerable amount of conductive regions of said second splicing ear that each said conductive region is electrically connected said second splicing ear, between each said conductive region obstruct section is set; Said obstruct section optionally breaks off or short circuit is positioned at the said conductive region of its both sides, connects said electronic component between the said conductive region that is wherein broken off by said obstruct section.Preferably, every cable is electrically connected a said conductive region at least.
Preferably; Said obstruct section is made up of preparatory obstruct section and selectivity short; Said preparatory obstruct section is to excise conductive substrate presetly and form; Said selectivity short is to be connected between two said conductive regions and with connected two said conductive region short circuits presetly, and is fit to by the electrical connection of optionally cutting off and breaking off the said conductive region of said short both sides.
Preferably; Said photovoltaic module terminal box also comprises the positive lock buckle device; When the predetermined grafting direction of said first connector and said second connector edge was accomplished grafting, said positive lock buckle device stoped the opposite direction of the said grafting direction of said first connector and said second connector edge to move.
Preferably; Said photovoltaic module terminal box also comprises the side direction locker; When the predetermined grafting direction of said first connector and said second connector edge was accomplished grafting, said side direction locker stoped said first connector and said second connector to move along the direction that departs from said grafting direction.
Preferably; Said second splicing ear of said first splicing ear of said first connector and said second connector is arranged respectively symmetrically; Both one of them of said first body and said second body is provided with projection; Both another of said first body and said second body is provided with groove, and when said first connector and said second connector were pegged graft according to predetermined grafting direction, said projection was inserted in the said groove; When said first connector and said second connector when pegging graft with the said predetermined different direction of grafting direction, said projection is stopped by the part beyond both said another said grooves of said first body and said second body and can't accomplish grafting.
The part that the photovoltaic module terminal box of the utility model will be used for fixing with photovoltaic module is separately as first; And the functional part in the photovoltaic module terminal box is arranged in the second portion that is independent of first, and first and the second portion detachable cooperation of first connector through separately and second connector are respectively realized freely separating of the two and assembled.Therefore; In the use of the photovoltaic module terminal box of the utility model; If any problem appears in the photovoltaic module terminal box need change or keep in repair the time; At this moment, need not take off hard-wired overall optical photovoltaic assembly terminal box, and only need extract its second portion and change or keep in repair from being installed to photovoltaic module terminal box on the photovoltaic module from photovoltaic module.And; The removing of second portion can not have influence on being fixedly connected between first and the photovoltaic module; Avoided photovoltaic module is caused damage or any other harmful effect; Prolong the useful life of core, and then effectively promoted the total quality of photovoltaic module, and reduced maintenance cost.Moreover, through change second portion internal electronic element and connecting circuit, can derive a variety of subassembly products, with short production cycle, production efficiency is high, thereby can tackle the variation of demand fast, can avoid large batch of stock by order production.In addition, the second portion of the photovoltaic module terminal box of the utility model and the connector fit structure of first can repeatedly plug, and its dismounting and easy to assembly can repeatedly be used, and helps construction and installation and use.
Through the detailed description below with reference to accompanying drawing, it is obvious that others of the utility model and characteristic become.But should be known in only the purpose design of this accompanying drawing, rather than as the qualification of the scope of the utility model, this is because it should be with reference to additional claim for explaining.Should also be appreciated that, only if point out in addition, unnecessary scale accompanying drawing, they only try hard to explain conceptually structure described herein and flow process.
Description of drawings
With reference to the detailed description of following preferred implementation, and read in the lump, will understand the utility model more fully, refer to part same in the view all the time equally in the accompanying drawing with reference to character with appended drawing.Wherein:
Fig. 1 is the perspective diagram before pegging graft according to the photovoltaic module terminal box of a kind of embodiment of the utility model;
Fig. 2 is the perspective diagram after pegging graft according to the photovoltaic module terminal box of a kind of embodiment of the utility model;
Fig. 3 is the schematic exploded perspective view according to the first of the photovoltaic module terminal box of a kind of embodiment of the utility model;
Fig. 4 is the bottom schematic view according to the first of the photovoltaic module terminal box of a kind of embodiment of the utility model;
Fig. 5 is the schematic exploded perspective view according to the second portion of the photovoltaic module terminal box of a kind of embodiment of the utility model;
Fig. 6 has installed after second splicing ear and the electronic component according to the substrate of the second portion of the photovoltaic module terminal box of a kind of embodiment of the utility model, and does not cut off the perspective diagram before the selectivity short;
Fig. 7 is that substrate shown in Figure 6 has been installed after second splicing ear and the electronic component, and does not cut off the sketch map at another visual angle before the selectivity short;
Fig. 8 is the circuit diagram according to the connection photovoltaic module of the photovoltaic module terminal box of a kind of embodiment of the utility model;
Fig. 9 is the circuit diagram according to the connection photovoltaic module of the photovoltaic module terminal box of the another kind of embodiment of the utility model;
Figure 10 is the circuit diagram according to the connection photovoltaic module of the photovoltaic module terminal box of another embodiment of the utility model; And
Figure 11 is the sketch map according to the second portion of the photovoltaic module terminal box of the another kind of embodiment of the utility model.
Embodiment
For above-mentioned purpose, the feature and advantage that make the utility model can be more obviously understandable, the embodiment of the utility model is done detailed explanation below in conjunction with accompanying drawing.
Fig. 1 and Fig. 2 have disclosed the perspective diagram of the photovoltaic module terminal box of a kind of execution mode of the utility model.Fig. 8 has disclosed the circuit diagram of connection photovoltaic module of the photovoltaic module terminal box of a kind of execution mode of the utility model.See figures.1.and.2 at present and cooperate with reference to shown in Figure 8, the photovoltaic module terminal box 100 of a kind of execution mode of the utility model comprise the first 1 that is used for fixing photovoltaic module 200, with the second portion 2 of first 1 separable assembling and at least two cables 3 that are electrically connected with second portion 2.In this execution mode; Photovoltaic module terminal box 100 comprises two cables 3; These two cables 3 are connected to external power source assembly (not shown) through positive joint 41 and negative joint 42 respectively, output in the external power source assembly with the power that photovoltaic module 200 is produced, thereby realize power transfer.
Fig. 3 and Fig. 4 have disclosed the detailed structure of first 1 of the photovoltaic module terminal box 100 of a kind of execution mode of the utility model.Like Fig. 3 and shown in Figure 4; First 1 comprises at least one first connector 10 that is fixed to photovoltaic module 200; First connector 10 comprises that first body 11 of insulation reaches the busbar 202 that is electrically connected photovoltaic module 200 at least with respect to first body, 11 fixing two first splicing ears, 12, the first splicing ears 12 respectively.
Fig. 5 to Fig. 7 discloses the detailed structure of second portion 2 of the photovoltaic module terminal box 100 of a kind of execution mode of the utility model.To shown in Figure 7, second portion 2 comprises that second connector, 20, the second connectors 20 that removably cooperate with first connector 10 comprise second body 21 of insulation and at least two second splicing ears of fixing with respect to second body 21 22 like Fig. 5.Second portion 2 also comprises the electronic component 24 that is electrically connected with second splicing ear 22.In this execution mode, electronic component 24 can be diode, and diode mainly plays the bypass effect.Yet the electronic component 24 of the utility model is not limited to diode, and in other execution modes of the utility model, electronic component 24 also can be DC/AC inverter or DC/DC optimizer or other any electronic components with same function.
Need to prove; Only exemplary four busbars 202 of photovoltaic module 200 and four splicing ears 12,22 and the corresponding parts thereof of first 1 and second portion 2 of showing in the diagram of the utility model; Yet; The utility model is not limited thereto, and can suitably increase or reduction first 1 and the splicing ear 12,22 of second portion 2 and the number of corresponding component thereof according to the size of actual light photovoltaic assembly 200.
Each root in the cable 3 is electrically connected one second splicing ear 22 at least.
When the second portion 2 of photovoltaic module terminal box 100 cooperated with first 1, first connector 10 and second connector 20 of second portion 2 of first 1 can be pegged graft each other, and first splicing ear 12 is electrically connected with second splicing ear 22 respectively.
The part that the photovoltaic module terminal box 100 of the utility model will be used for fixing with photovoltaic module 200 is separately as first 1; And the functional part in the photovoltaic module terminal box 100, for example electronic component 24 is arranged on separately in the second portion 2 that is independent of first 1, and; First 1 and the second portion 2 detachable cooperation of first connector 10 through separately and second connector 20 are respectively realized freely separating of the two and are assembled; Thereby, in the use of the photovoltaic module terminal box 100 of the utility model, if any problem appears in photovoltaic module terminal box 100; For example the electronic component 24 in the second portion 2 breaks down; When need changing or keeping in repair, the user need not take off hard-wired overall optical photovoltaic assembly terminal box 100 from photovoltaic module 200, and only need extract its second portion 2 and get final product from being installed to photovoltaic module terminal box 100 on the photovoltaic module 200; And; The removing of second portion 2 can not have influence on being fixedly connected between first 1 and the photovoltaic module 200, therefore, changes or maintenance operation need not to change overall optical photovoltaic assembly terminal box 100; Avoided photovoltaic module 200 is caused any harmful effect, and then effectively reduced the maintenance cost of photovoltaic module terminal box 100.In addition; The second portion 2 of the photovoltaic module terminal box 100 of the utility model adopts the connector fit structure that can repeatedly plug with first 1, and its syndeton is simple, dismounting and easy to assembly; And; Can repeatedly use, thereby, the use cost of the photovoltaic module terminal box 100 of the utility model further reduced.
In one embodiment, as shown in figures 1 and 3, first body 11 of first connector 10 is provided with inserting column 1120, the first splicing ears 12 and passes inserting column 1120.Like Fig. 1 and shown in Figure 5, second body 21 of second connector 20 is provided with jack 2120, the second splicing ears 22 and extends in the jack 2120.As shown in Figure 2, when first connector 10 and 20 grafting of second connector, inserting column 1120 inserts in the jacks 2120.
Preferably, as shown in figures 1 and 3, around each inserting column 1120 of first body 11, be provided with sealing ring 14.When first connector 10 and 20 grafting of second connector; When inserting column 1120 inserted in the jack 2120, sealing ring 14 tight being matched with between jack 2120 and the inserting column 1120 sealed with respect to external environment with first splicing ear 12 and second splicing ear 22 that will electrically contact each other.
Like Fig. 3 and shown in Figure 4, first connector 10 is provided with wire connection cavity 110, the first splicing ears 12 and extends into wire connection cavity 110, and the busbar 202 of photovoltaic module 200 is electrically connected to first splicing ear 12 in wire connection cavity 110.Wherein, wire connection cavity 110 comprises relative upper shed 1101 and under shed 1102, and the busbar 202 of photovoltaic module 200 gets in the wire connection cavity 110 through under shed 1102.First connector 10 also comprises wire connection cavity lid 13, and wire connection cavity lid 13 is covered in upper shed 1101.Preferably, wire connection cavity lid 13 is provided with sealing medium hand-hole 131 and air-vent 132.With after first splicing ear 12 is electrically connected, cover wire connection cavity lid 13 at the busbar 202 of photovoltaic module 200, and, through the sealing medium hand-hole 131 on the wire connection cavity lid 13, in wire connection cavity 110, fill in sealing medium.
Like Fig. 3 and shown in Figure 4, first body 11 of first connector 10 comprises base portion 111 and Plug Division 112, and base portion 111 has the installed surface 1110 that is fixed to photovoltaic module 200, and the area of the projection of base portion 111 on installed surface 1110 is bigger than Plug Division 112.Inserting column 1120 is formed on Plug Division 112.Wire connection cavity 110 is communicated to installed surface 1110.Installed surface 1110 in base portion 111 is provided with glue groove 1112; Glue groove 1112 is provided with around wire connection cavity 110; And glue groove 1112 is around the periphery of base portion 111, and base portion 111 bonds on the photovoltaic module 200 through the binding agent that is coated in the glue groove 1112.Preferably; Base portion 111 is provided with a plurality of louvres 1114 near the position of inserting column 1120; After second portion 2 was pegged graft with first 1, a plurality of louvres 1114 were corresponding to the position of second body 21 of second portion 2, thereby; In the use of photovoltaic module terminal box 100, can assist second portion 2 inner heats are dissipated.
A kind of preferred embodiment in; Like Fig. 6 and shown in Figure 7; Second connector 20 also comprises the conductive substrate of fixing with respect to second body 21 23, and conductive substrate 23 comprises and second splicing ear, 22 a considerable amount of conductive regions 230 that each conductive region 230 is electrically connected one second splicing ear 22; For example, second splicing ear 22 can be riveted to conductive region 230.Between each conductive region 230 obstruct section 232 is set; Obstruct section 232 optionally breaks off or short circuit is positioned at the conductive region 230 of its both sides; Wherein be cut off between the conductive region 230 that portion 232 breaks off and connect electronic component 24, for example, electronic component 24 can be soldered to conductive region 230.
With four second splicing ears 22 of four first splicing ears 12 of first connector 10 of the utility model and second connector 20 accordingly, exemplarily show four conductive regions 230 and three obstruct sections 232 of the utility model at Fig. 6 and Fig. 7.Fig. 8 has disclosed the circuit diagram according to the connection photovoltaic module 200 of the photovoltaic module terminal box 100 of a kind of embodiment of the utility model.As shown in Figure 8; Be electrically connected obstruct section 232 between two conductive regions 230 of the 1st and the 2nd second splicing ear 22, be electrically connected the obstruct section 232 between two conductive regions 230 of the 2nd and the 3rd second splicing ear 22 and the obstruct section 232 that is electrically connected between two conductive regions 230 of the 3rd and the 4th second splicing ear 22 all is disconnected, and between two conductive regions 230 of the 1st and the 2nd second splicing ear 22 of electrical connection that breaks off, connect diode 24 respectively between two conductive regions 230 of the 2nd and the 3rd second splicing ear 22 of electrical connection that break off and between two conductive regions 230 of the 3rd and the 4th second splicing ear 22 of electrical connection that breaks off.Yet Fig. 8 is merely a kind of illustrative embodiments of the utility model, and the utility model is not limited to this.Size and specification according to actual light photovoltaic assembly 200; The utility model maybe not need all breaks off each conductive region 230 and between the conductive region 230 that the portion of being cut off 232 breaks off, connects electronic component 24; That is to say that the utility model need not break off each obstruct section 232.
In the another kind of execution mode of the utility model, the utility model can several conductive regions 230 be one group, is that the unit optionally breaks off with the conductive region, between the conductive region group of breaking off, just connects electronic component 24.That is to say that in some cases, the obstruct section 232 between the conductive region 230 in the conductive region group does not need to break off.For example; With reference to shown in Figure 9; The obstruct section 232 that is electrically connected the obstruct section 232 between two conductive regions 230 of the 1st and the 2nd second splicing ear 22 and is electrically connected between two conductive regions 230 of the 2nd and the 3rd second splicing ear 22 is disconnected; And be electrically connected that obstruct section 232 between two conductive regions 230 of the 3rd and the 4th second splicing ear 22 does not break off and short circuit is positioned at the conductive region 230 of its both sides, and connecting diode 24 respectively between two conductive regions 230 of the 1st and the 2nd second splicing ear 22 of electrical connection that breaks off and between two conductive regions 230 of the 2nd and the 3rd second splicing ear 22 of electrical connection that breaks off.
Alternatively, in the another execution mode of the utility model, the utility model also can break off obstruct section 232 at interval.For example; With reference to shown in Figure 10; The obstruct section 232 that is electrically connected the obstruct section 232 between two conductive regions 230 of the 1st and the 2nd second splicing ear 22 and is electrically connected between two conductive regions 230 of the 3rd and the 4th second splicing ear 22 is disconnected; And be electrically connected that obstruct section 232 between two conductive regions 230 of the 2nd and the 3rd second splicing ear 22 does not break off and short circuit is positioned at the conductive region 230 of its both sides, and connecting DC/AC inverter or DC/DC optimizer 24 respectively between two conductive regions 230 of the 1st and the 2nd second splicing ear 22 of electrical connection that breaks off and between two conductive regions 230 of the 3rd and the 4th second splicing ear 22 of electrical connection that breaks off.
More than combine Fig. 8 to be merely example explanation and explanation to description shown in Figure 10 to the utility model; And not as the restriction to the utility model; In fact; The obstruct section 232 of the utility model can optionally be broken off by the user according to actual needs or short circuit is positioned at the conductive region 230 of its both sides, and between the conductive region 230 that the portion of being cut off 232 breaks off, connects electronic component 24, thereby makes that the internal configurations of second portion 2 of the utility model is more flexible.
In this execution mode, every cable 3 is electrically connected a conductive region 230 at least, and every cable 3 is through being electrically connected a conductive region 230 at least, thereby realizes that every cable 3 is electrically connected one second splicing ear 22 at least.
A kind of preferred embodiment in; Obstruct section 232 is made up of preparatory obstruct section 2321 and selectivity short 2322; In advance obstruct section 2321 is to excise conductive substrate 23 presetly and form; Selectivity short 2322 is to be connected between two conductive regions 230 and with connected two conductive region 230 short circuits presetly, and is fit to by the electrical connection of optionally cutting off and breaking off the conductive region 230 of short 2322 both sides.Preferably, obstruct section 2321 has bigger width at the position near selectivity short 2322 in advance, thereby, be convenient to break off obstruct section 232 more.
A kind of preferred embodiment in, second portion 2 also comprises fin 25.Fin installation portion 234 is set on conductive substrate 23, fin 25 be installed to fin installation portion 234 and with electronic component 24 thermo-contacts, thereby can the heat that electronic component 24 produces in time be dissipated, avoid the damage of electronic component 24.
The second portion 2 of the utility model also comprises insulating base 26; Insulating base 26 is sleeved on the sidepiece near second splicing ear 22 of conductive substrate 23; And, be housed in second body, 21 inside, thereby guarantee the size and the structural stability of whole conductive substrate 23.
The internal structure of the second portion 2 of the utility model is assembled through following mode.At first, second splicing ear 22 is pressed on the conductive substrate 23; Secondly, diode 24 is welded between the conductive region of prejudging out 230 of conductive substrate 23; Then, insulating base 26 is packed into from the inserted terminal one side cover of second splicing ear 22, and be installed on the sidepiece of conductive substrate 23; Once more, fin 25 is assembled on the fin installation portion 234 of conductive substrate 23, thereby diode 24 can be dispelled the heat preferably, also can support conductive substrate 23 simultaneously, protection diode 24 when breaking off obstruct section 232; Obstruct section 232 between the conductive region 230 that will prejudge out breaks off, and realizes the internal circuit of second portion 2; Cable 3 is electrically connected on the conductive region 230 of electrically-conductive backing plate; At last, second body 21 of insulation in the assembling, thereby, accomplish the assembling of whole second portion 2.
For the grafting reliability between second connector 20 of first connector 10 of effectively guaranteeing first 1 and second portion 2; Photovoltaic module terminal box 100 also comprises positive lock buckle device 5; Accomplish when pegging graft along predetermined grafting direction at first connector 10 and second connector 20, positive lock buckle device 5 can stop first connector 10 and second connector 20 to move along the opposite direction of grafting direction.In one embodiment; Positive lock buckle device 5 is included in the draw-in groove 51 of first's 1 upper edge grafting direction setting and is arranged in the block 52 of draw-in groove 51 and the relative a pair of grab 53 that is provided with in second portion 2 upper edge grafting directions, and when second portion 2 cooperated with first 1, this was to grab 53 outside elastic biasing under the effect of block 52; Block 52 is stuck in this between the grab 53; And this snaps in the draw-in groove 51 grab 53, thereby; Effectively prevent the disengaging of second portion 2 and first 1, guarantee reliably electrically contacting between second splicing ear 22 of first splicing ear 12 and second connector 20 of first connector 10.Yet; The positive lock buckle device 5 of the utility model is not limited to the above and the mode that diagram discloses, and is every in can preventing of being provided with of photovoltaic module terminal box 100 any snap close mode that first connector 10 and second connector 20 move along the opposite direction of grafting direction all within the protection range at the utility model.
Preferably; Photovoltaic module terminal box 100 can also comprise side direction locker 6; When the predetermined grafting direction of first connector 10 and second connector, 20 edges was accomplished grafting, the direction that side direction locker 6 stops first connectors 10 and second connector, 20 edges to depart from the grafting direction moved.In one embodiment; The snap close direction of side direction locker 6 is arranged to vertical each other with the snap close direction of positive lock buckle device 5; Side direction locker 6 is included in first 1 upper edge perpendicular to the groove 61 of grafting direction setting and the latch hook 62 that is provided with perpendicular to the grafting direction in second portion 2 upper edges; When second portion 2 cooperated with first 1, latch hook 62 latched in the groove 61, thereby; Can further prevent second portion 2 loosening perpendicular on the direction of grafting direction, effectively guarantee the dynamics that contacts of second splicing ear 22 of first splicing ear 12 and second connector 20 of first connector 10.
Preferably; Second splicing ear 22 of first splicing ear 12 of first connector 10 and second connector 20 is arranged respectively symmetrically; Second body 21 is provided with projection 213, and correspondingly, first body 11 is provided with groove 113; When first connector 10 and second connector 20 were pegged graft according to predetermined grafting direction, the projection 213 of second body 21 successfully was inserted in the groove 113 of first body 11; And when first connector 10 is pegged graft according to the direction different with predetermined grafting direction with second connector 20; The projection 213 that is provided with on second body 21 can be stopped by the part beyond the groove 113 of first body 11 and can't accomplish grafting; Thereby; Through the groove 113 that projection 213 is set and matches, can effectively guarantee the correct grafting between first connector 10 and second connector 20.Yet; In other execution modes of the utility model; Also can on first body 11, projection 213 be set, and groove 113 is set on second body 21, the anti-mis-insertion effect of to play equally that cooperates of projection 213 and groove 113; Thereby, also can realize first connector 10 of the utility model and the correct grafting between second connector 20.
Figure 11 has disclosed the sketch map of second portion of the photovoltaic module terminal box of the another kind of embodiment of the utility model.In the another kind of execution mode of the utility model; The first 1 of photovoltaic module terminal box 100 can comprise a plurality of first connectors 10, and correspondingly, second portion 2 comprises and first connector, 10 a considerable amount of second connectors 20; Photovoltaic module terminal box 100 comprises many cables 3; At least one cable 3 in many cables 3 is electrically connected two second connectors 20, thereby, can be according to requirement of engineering; A plurality of second portions 2 cable 3 length on demand are connected in series each other, to realize saving to greatest extent cable and connector.Can join the cable of regular length according to customer demand, press order production, avoid the waste of back cable.
The photovoltaic module terminal box 100 of the utility model is through separating its first 1 with second portion 2, thereby all component product of enterprise can be made a kind of specification.In addition, second portion 2 is because with short production cycle, and production efficiency is high, can be by order production, and enterprise has avoided large batch of stock, then according to the market demand, assembles again in the time of can implementing engineering, perhaps, also can be by enterprise's assembling back shipment.And, owing to be, can join the cable 3 of regular length according to customer demand by order production, avoid the waste of back cable 3.Therefore, the photovoltaic module terminal box 100 of the utility model has better flexibility and practicality, has market application foreground widely.
Above execution mode only is used to explain the utility model; And be not the restriction to the utility model; The those of ordinary skill in relevant technologies field under the situation of spirit that does not break away from the utility model and scope, can also be made various variations and modification; Therefore all technical schemes that are equal to also belong to the category of the utility model, and the scope of patent protection of the utility model should be defined by the claims.
Claims (20)
1. the photovoltaic module terminal box is characterized in that, it comprises:
First; It comprises at least one first connector that is fixed to photovoltaic module; Said first connector comprises that first body of insulation reaches at least two first splicing ears with respect to said first body-fixed, and said first splicing ear is electrically connected the busbar of said photovoltaic module respectively;
Second portion; It comprises second connector and the electronic component that removably cooperates with said first connector; Said second connector comprises that second body of insulation reaches at least two second splicing ears with respect to said second body-fixed, and said electronic component is electrically connected with said second splicing ear; And
At least two cables, every cable is electrically connected said second splicing ear at least,
When said second portion cooperated with said first, said first connector and said second connector were pegged graft each other, and said first splicing ear is electrically connected with said second splicing ear respectively.
2. photovoltaic module terminal box as claimed in claim 1; Wherein, Said second connector also comprises the conductive substrate with respect to said second body-fixed; Said conductive substrate comprises and a considerable amount of conductive regions of said second splicing ear that each said conductive region is electrically connected said second splicing ear, between each said conductive region obstruct section is set; Said obstruct section optionally breaks off or short circuit is positioned at the said conductive region of its both sides, connects said electronic component between the said conductive region that is wherein broken off by said obstruct section.
3. photovoltaic module terminal box as claimed in claim 2; Wherein, Said obstruct section is made up of preparatory obstruct section and selectivity short; Said preparatory obstruct section is to excise conductive substrate presetly and form; Said selectivity short is to be connected between two said conductive regions and with connected two said conductive region short circuits presetly, and is fit to by the electrical connection of optionally cutting off and breaking off the said conductive region of said short both sides, and every cable is electrically connected a said conductive region at least.
4. photovoltaic module terminal box as claimed in claim 1; Wherein, Said first comprises a plurality of said first connectors; Said second portion comprises and a considerable amount of said second connectors of said first connector that said photovoltaic module terminal box comprises many cables, and at least one cable in many cables is electrically connected two said second connectors.
5. photovoltaic module terminal box as claimed in claim 3, wherein, said preparatory obstruct section has bigger width at the position near said selectivity short.
6. photovoltaic module terminal box as claimed in claim 2, wherein, said second portion also comprises fin, said conductive substrate is provided with the fin installation portion, said fin be installed to said fin installation portion and with said electronic component thermo-contact.
7. photovoltaic module terminal box as claimed in claim 2, wherein, said second splicing ear is riveted to said conductive region, and said electronic component is welded to said conductive region.
8. according to claim 1 or claim 2 photovoltaic module terminal box, wherein, a kind of element of selecting in the group that said electronic component is made up of diode, DC/AC inverter and DC/DC optimizer.
9. according to claim 1 or claim 2 photovoltaic module terminal box; Wherein, Said first connector is provided with wire connection cavity, and said first splicing ear extends into said wire connection cavity, and the busbar of said photovoltaic module is electrically connected to said first splicing ear in said wire connection cavity.
10. photovoltaic module terminal box as claimed in claim 9; Wherein, Said wire connection cavity comprises relative upper shed and under shed; The busbar of said photovoltaic module gets in the said wire connection cavity through said under shed, and said first connector also comprises the wire connection cavity lid, and said wire connection cavity cap seal is placed on said upper shed.
11. photovoltaic module terminal box as claimed in claim 10, wherein, said wire connection cavity lid is provided with sealing medium hand-hole and air-vent, in said wire connection cavity, fills in sealing medium through said sealing medium hand-hole.
12. photovoltaic module terminal box as claimed in claim 9, wherein:
Said first body of said first connector is provided with inserting column, and said first splicing ear passes said inserting column, is provided with sealing ring around each said inserting column;
Said second body of said second connector is provided with jack, and said second splicing ear extends in the said jack;
When said first connector and the grafting of said second connector; Said inserting column inserts said jack, and tight being matched with between said jack and the said inserting column of said sealing ring seals with respect to external environment with said first splicing ear and said second splicing ear that will electrically contact each other.
13. photovoltaic module terminal box as claimed in claim 12, wherein, said first body of said first connector comprises base portion and Plug Division, and said base portion has the installed surface that is fixed to said photovoltaic module, and said inserting column is formed on said Plug Division.
14. photovoltaic module terminal box as claimed in claim 13; Wherein, The area of the projection of said base portion on said installed surface is bigger than said Plug Division; The said installed surface of said base portion is provided with glue groove, and said base portion bonds on the said photovoltaic module through the binding agent that is coated in the said glue groove.
15. photovoltaic module terminal box as claimed in claim 14, wherein, said wire connection cavity is communicated to said installed surface, and said glue groove is around said wire connection cavity, and said glue groove is around the periphery of said base portion.
16. photovoltaic module terminal box as claimed in claim 14, wherein, said base portion is provided with a plurality of louvres near the position of said inserting column.
17. photovoltaic module terminal box as claimed in claim 1; It also comprises the positive lock buckle device; When the predetermined grafting direction of said first connector and said second connector edge was accomplished grafting, said positive lock buckle device stoped the opposite direction of the said grafting direction of said first connector and said second connector edge to move.
18. photovoltaic module terminal box as claimed in claim 17; It also comprises the side direction locker; When the predetermined grafting direction of said first connector and said second connector edge was accomplished grafting, said side direction locker stoped said first connector and said second connector to move along the direction that departs from said grafting direction.
19. photovoltaic module terminal box as claimed in claim 1; Wherein, Said second splicing ear of said first splicing ear of said first connector and said second connector is arranged respectively symmetrically; Both one of them of said first body and said second body is provided with projection; Both another of said first body and said second body is provided with groove, and when said first connector and said second connector were pegged graft according to predetermined grafting direction, said projection was inserted in the said groove; When said first connector and said second connector when pegging graft with the said predetermined different direction of grafting direction, said projection is stopped by the part beyond both said another said grooves of said first body and said second body and can't accomplish grafting.
20. photovoltaic module terminal box as claimed in claim 2, wherein, said second portion also comprises insulating base, and said insulating base is sleeved on the sidepiece near said second splicing ear of said conductive substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201618658U CN202196791U (en) | 2011-05-11 | 2011-05-11 | Terminal box of photovoltaic assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201618658U CN202196791U (en) | 2011-05-11 | 2011-05-11 | Terminal box of photovoltaic assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202196791U true CN202196791U (en) | 2012-04-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201618658U Expired - Fee Related CN202196791U (en) | 2011-05-11 | 2011-05-11 | Terminal box of photovoltaic assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202196791U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102683455A (en) * | 2012-05-30 | 2012-09-19 | 南昌大学 | Photovoltaic junction box system |
| CN102683456A (en) * | 2012-05-30 | 2012-09-19 | 南昌大学 | Intelligent photovoltaic wiring box system |
| CN104022418A (en) * | 2013-03-01 | 2014-09-03 | 矢崎总业株式会社 | Branch structure of wire |
| CN110931998A (en) * | 2019-11-18 | 2020-03-27 | 芜湖侨云友星电气工业有限公司 | High-voltage wire harness connector |
| CN114375530A (en) * | 2019-09-02 | 2022-04-19 | 宗拓贝尔照明器材有限公司 | Connection device for a lighting device driver |
-
2011
- 2011-05-11 CN CN2011201618658U patent/CN202196791U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102683455A (en) * | 2012-05-30 | 2012-09-19 | 南昌大学 | Photovoltaic junction box system |
| CN102683456A (en) * | 2012-05-30 | 2012-09-19 | 南昌大学 | Intelligent photovoltaic wiring box system |
| CN104022418A (en) * | 2013-03-01 | 2014-09-03 | 矢崎总业株式会社 | Branch structure of wire |
| CN114375530A (en) * | 2019-09-02 | 2022-04-19 | 宗拓贝尔照明器材有限公司 | Connection device for a lighting device driver |
| CN110931998A (en) * | 2019-11-18 | 2020-03-27 | 芜湖侨云友星电气工业有限公司 | High-voltage wire harness connector |
| CN110931998B (en) * | 2019-11-18 | 2021-02-02 | 芜湖侨云友星电气工业有限公司 | High-voltage wire harness connector |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20120418 Termination date: 20200511 |