CN205692086U - A kind of photovoltaic power optimizer structure - Google Patents

Abstract

This utility model relates generally to a kind of photovoltaic power optimizer structure, the shell of receiving space it is provided with including inside, this shell includes protecgulum and the bonnet fitted together, this protecgulum includes antetheca and from the periphery lateral margin of this antetheca sidewall that integration extends backward, and it is provided with, in the rear end face position in the inner part of sidewall, the annular positioning groove arranged along whole annular sidewall, and remain with blocking part in the outside of locating slot, when bonnet is arranged on the rear side of protecgulum to limit this receiving space, being embedded at locating slot of the suitable property of periphery of this bonnet makes this bonnet be buckled on protecgulum.

Description

A kind of photovoltaic power optimizer structure

Technical field

This utility model relates generally to the accessory device of photovoltaic generation, exactly, have employed based on photovoltaic generating system Photovoltaic cell carries out the measure of power optimization, and this utility model then provides shell matching used with optimizer or cabinet.

Background technology

Along with shortage and the development of new technique of the energy, new forms of energy have obtained increasingly being widely applied, in view of photovoltaic is sent out Electricity is safe and reliable, operating cost is few, safeguard features such as can using simply, everywhere so that photovoltaic generation worldwide obtains Quickly development, especially plays indispensable effect in the electrical problem solving remote districts.The output of photovoltaic cell Characteristic is affected by ambient temperature, light radiation intensity and is changed a lot, and makes photovoltaic cell can export all the time Big power is so that we more effectively utilize solar energy to be the basic demand of photovoltaic generating system.To export from solar panel Desired peak power, most important is to find maximum power point, makes the output voltage of cell panel and output electric current be maintained at this Intended maximum power point.The change of maximum power point is the most relevant with irradiation intensity and ambient temperature, thus urgently to be resolved hurrily A difficult problem is, when the environmental change of solar panel, it is necessary to these Parameters variation of dynamic tracing, just can get rid of external environment condition because of Element, it is ensured that solar panel is operated on maximum power point.Photovoltaic optimizer is for modulating the output of cell panel to guarantee battery Being operated in maximum power point, optimizer can optimize the output of photovoltaic module and perform maximum power point tracking, is that photovoltaic is sent out One of key equipment in electrically optimized system, has energy acquisition conversion, data sampling and basic communication function, it is contemplated that excellent The life requirements changing device is often decades, and therefore the shell of the protection each components and parts of optimizer or the structure of cabinet just seem particularly Important, the hereinafter content of the application will disclose the photovoltaic power optimizer structure with high reliability.

Utility model content

In one embodiment, this utility model discloses a kind of photovoltaic power optimizer structure/device, sets including inside Having the shell of receiving space, this shell includes protecgulum and the bonnet fitted together, and this protecgulum includes antetheca and from this antetheca The periphery lateral margin sidewall that integration extends backward, and be provided with along whole annular side in the rear end face position in the inner part of sidewall The annular positioning groove that wall cloth is put, and remain with blocking part in the outside of locating slot, when bonnet is arranged on the rear side of protecgulum with limit When making this receiving space, being embedded at locating slot of the suitable property of periphery of this bonnet makes this bonnet be buckled on protecgulum.

Above-mentioned photovoltaic power optimizer structure/device, is provided with hanging down with antetheca of a lateral arrangement inside this protecgulum Straight holding board, holding board will be separated into upper and lower two spaces inside protecgulum；And at this holding board near the front side portion of antetheca Multiple through hole is distributed on Fen, be thereby arranged on the circuit board at the lower space in protecgulum with interdigital through through hole And extend to upper space.

Above-mentioned photovoltaic power optimizer structure/device, the antetheca at this protecgulum is positioned at above and below this holding board Region is respectively equipped with the first opening and the second opening；The position being positioned at the first opening outside antetheca is covered with one and covers Plate thereby covers the first opening；And the position being positioned at the second opening inside antetheca is provided with a fin, heat radiation The left and right sides of sheet is pressed on the region being positioned at the second opening left and right sides inside antetheca respectively, and fin is clamped in this Between antetheca and circuit board.

Above-mentioned photovoltaic power optimizer structure/device, the region being positioned at the second opening left and right sides inside antetheca On be coated with marine glue, utilize marine glue to be bonded on this antetheca by fin；It is coated with at the opposite side up and down of this fin Marine glue, utilizes marine glue by bonding to fin and circuit board, and heat dissipation element and the fin installed on circuit board keep Contact.Marine glue coated by the opposite side up and down of fin can extend when being extruded by circuit board and be filled into the upper of fin At gap between the top edge of edge and the second opening, also can extend and be filled into the lower limb of fin and the second opening At gap between lower limb, these gap sealings are lived.

Above-mentioned photovoltaic power optimizer structure/device, is provided with on this bonnet and is directed at the first opening on antetheca One the 3rd opening, is provided with on circuit board each interdigital free terminal all with first and the 3rd opening front to back registration.

Above-mentioned photovoltaic power optimizer structure/device, is additionally provided with the fin of multiple strip, fin in fin front The outside of the antetheca of this protecgulum is extended to from the second opening part of this protecgulum.

Above-mentioned photovoltaic power optimizer structure/device, the sidewall at the lower lip of protecgulum is provided with and runs through sidewall thickness Interface；Or be provided with on the sidewall of the corner that the lower lip of this protecgulum is connected mutually with left and right lateral margin and to run through sidewall thickness Interface.

Above-mentioned photovoltaic power optimizer structure/device, the side-wall outer side at protecgulum is additionally provided with the cylinder with endoporus Shape binding post, binding post is fixed on the sidewall of this protecgulum in the way of interface in its endoporus aligned sidewalls.Additionally wiring External screw thread or female thread can also be set in the outer peripheral surface of terminal, with other the terminal with outer/inner screw thread realize right Connect.

Above-mentioned photovoltaic power optimizer structure/device, the inside sidewalls at protecgulum be also provided with including front block unit and left, The notch of right side stopper, left and right side stopper be arranged on the lateral margin of a pair of front block unit opposite side each other and they and front Stopper is vertical；The left and right side stopper of a notch it is respectively arranged with, by notch and protecgulum in the both sides of an interface Sidewall limit a uncovered collecting draw-in groove towards bonnet, and front block unit is provided with the breach being directed at described interface.

Above-mentioned photovoltaic power optimizer structure/device, the collecting draw-in groove at this notch has been embedded in loop coil Interface on the central bore of structure and/or ring core structure, toroidal coil structure and/or ring core structure and sidewall, Notch alignment on the front block unit of notch overlaps.

In one embodiment, invention further discloses a kind of photovoltaic power optimizer structure/device, be provided with including inside The shell of receiving space: this shell includes protecgulum and the bonnet fitted together, and be disposed with at the reverse side of this bonnet Groove along the distribution of bonnet periphery edge.This bonnet is for specifying on photovoltaic module (Photovoltaic module) Composition surface is bonded by binding agent, when extruding shell makes it be tightly adhered in the step of photovoltaic module, and bonnet and joint Binding agent stress between face can be excessive, and this groove is for receiving the binding agent of excess between the bonnet back side and composition surface, with Binding agent is avoided to spill into outside this interface area specified.

Accompanying drawing explanation

Reading described further below and with reference to after the following drawings, feature of the present utility model and advantage will be apparent to:

Fig. 1 is the basic structure of the protecgulum of photovoltaic power optimizer structure.

Fig. 2 is the first opening and the structure of the second opening.

Fig. 3 is the basic structure of the bonnet of photovoltaic power optimizer structure.

Fig. 4 is the structural representation within protecgulum.

Fig. 5 is the basic structure schematic diagram of fin.

Fig. 6 is the schematic diagram that circuit board group installs on protecgulum.

Fig. 7 is to expose the interdigital schematic diagram on circuit board from the first opening.

Fig. 8 is that binding post is arranged on the sidewall of protecgulum lower edge and is provided with binding post.

Fig. 9 is the schematic diagram of the segmentation groove on bonnet.

Detailed description of the invention

Seeing Fig. 1～3, the shell of photovoltaic power optimizer structure is substantially to appear as flat cuboid or square, Its inside is provided with receiving space for placing other necessary elements of circuit board and power optimization device, the shell of optimizer structure Or casing is substantially assembled by a protecgulum 100 and a bonnet 200, therefore can be by between protecgulum 100 and bonnet 200 Gap be defined as a receiving space, and protecgulum 100 and bonnet 200 should use the material of insulation, and they compositions Shell should remain with heat dissipation path, to ensure that the heating element (such as power switch etc.) in optimizer possesses good Radiating effect.Seeing shown in Fig. 1～3, from observing shell in appearance, the protecgulum 100 of shell at least includes an antetheca 100A (generally square in cross-section) and at least include from the periphery lateral margin of antetheca 100A backward integration extend each sidewall 180a～ 180d, if the Liang Ge turning, bottom of antetheca 100A is not configured to chamfering (such as Fig. 8), then before protecgulum 100 should be provided with and be positioned at Upper side wall 180a at wall 100A upper limb and be provided with lower wall 180c being positioned at antetheca 100A lower edge, and be provided with and be positioned at antetheca Left side wall 180b at 100A left border and be provided with the right side wall 180d being positioned at antetheca 100A right border.If the bottom of antetheca 100A Two turnings be arranged to chamfering form (such as Fig. 1), the turning that i.e. lower lip of protecgulum 100 is connected mutually with left border is arranged to one Individual chamfering, and/or the turning that the lower lip of protecgulum 100 is connected mutually with margo dexter is also configured to another chamfering, then antetheca 100A Lower lip at lower wall 180c and left side wall 180b at left border between also linking have the sloped sidewall 180e of transition, and Between lower wall 180c and the right side wall 180d at margo dexter at the lower lip of antetheca 100A, also linking has the inclined side of transition Wall 180f, it is therefore intended that: what the binding post 122 hereinafter will introduced was arranged in that the lower lip of protecgulum is connected mutually with left border turns On sidewall 180e at angle, another binding post 132 is arranged in the corner that the lower lip of protecgulum is connected mutually with margo dexter On sidewall 180f.

See Fig. 1 and Fig. 8, so at least there are two kinds of forms: the protecgulum 100 of shell includes the periphery from antetheca 100A Lateral margin each sidewall 180a～180d (Fig. 8) that integration extends backward, or the protecgulum 100 of shell includes from antetheca 100A Periphery lateral margin backward integration extend each sidewall 180a～180f (Fig. 1), each sidewall 180a in both schemes ～180d or 180a～180f is all perpendicular with the antetheca 100A of protecgulum 100, and the antetheca of the protecgulum 100 of optimizer shell 100A and bonnet 200 are substantially parallel.It addition, be provided with a first opening 101a and one on the antetheca 100A of protecgulum 100 Second opening 102a (Fig. 2), and on bonnet 200, also it is provided with one the 3rd opening 201 (Fig. 3), wherein the first opening 101a and the 3rd opening 201 substantially front to back registration.

See Fig. 1 and Fig. 2, the position lid being positioned at the first opening 101a (Fig. 2) outside the antetheca 100A of protecgulum 100 Conjunction has a shield 101b (Fig. 1), covers the first opening 101a by shield 101b, here can be outside antetheca 100A Coating water-resistant binder glue on the region being positioned at the first opening 101a periphery of side, then shield 101b is glued by recycling adhesive glue It is attached to outside antetheca 100A, thus the first opening 101a is sealed.In addition, also inside the antetheca 100A of cover plate 100 The position being positioned at the second opening 102a is provided with a fin 102b as heat dissipation path, the fin of metal material 102b pair Heat dissipation element within optimizer carries out heat conduction.

In the alternative embodiment of Fig. 3, the also reverse side at this bonnet 200 is disposed with the peripheral edge along bonnet 200 The groove 202 of fate cloth, although the groove 202 that this is depressed in Fig. 8 bonnet 200 back side is shown as a closed annular Cell body, but substantially, groove 202 can also utilize the multiple independent segmentation groove 202A shown in Fig. 9 to replace.At Fig. 9 In, the reverse side at this bonnet 200 is disposed with the segmentation groove of the multistage independence of the periphery edge distribution along bonnet 200 202A, these segmentations groove 202A are separate and do not connect each other.About the bonnet back side groove 202～ The purposes of 202A hereafter will be discussed in detail.

See Fig. 3～4, in the rear end face position in the inner part of the sidewall (180a～180f) of protecgulum, be provided with along whole The annular positioning groove 180-1 (Fig. 4) that individual annular sidewall (180a～180f) is arranged, notes the outside at annular positioning groove 180-1 Remain with a blocking part 180-2 (Fig. 4) for annular, when bonnet 200 is arranged on the rear side of protecgulum 100 to limit in one During empty receiving space, the suitable property of periphery of this bonnet 200 be embedded in annular positioning groove 180-1 (Fig. 3) so that This bonnet 200 can be buckled on protecgulum 100.So the peripheral shape of bonnet 200 should be with annular positioning groove 180-1's here Shape is consistent so that the inner side being embedded into and being positioned at blocking part 180-2 of being adapted to property of bonnet 200, and blocking part 180-2 can stop the displacement of bonnet 200.

See Fig. 4, inside this protecgulum 200, be provided with the holding board 115 of a lateral arrangement, holding board 115 and protecgulum Upper side wall 180a and lower wall 180c are almost parallel, and holding board 115 also is normal to the antetheca 100A of protecgulum 200.Therefore holding board Space within protecgulum is separated into upper and lower two spaces, before the substantially first opening 101a is positioned at upper space by 115 substantially Side, the second opening 102a is then positioned at the front side of lower space.

See Fig. 4, in the front part of antetheca 100A, multiple through hole 115a is distributed at this holding board 115, or Can be described as multiple through hole 115a being distributed being fixed on the base portion of antetheca of holding board 115, need limited hole in a word 115a can not from antetheca 100A too far very close to antetheca 100A.Note this holding board 115 rear lateral portion away from antetheca 100A The rear end face divided should be the most forward relative to the bottom surface of annular positioning groove 180-1 in Fig. 4, or the rear side of holding board 115 Rear end face and the bottom surface of locating slot 180-1 of part are substantially flush, to avoid covering after mounting holding board in the middle of the process of 200 The rear section top of 115 is to bonnet 200.

See Fig. 5, left part 102b-1 with the metal fin 102b of radiating fin 102b-3 and right side Part 102b-2 position is not provided with any fin 102b-3, and fin 102b-3 is arranged at the relatively centre position of fin 102b, The front of left part 102b-1 and right part 102b-2 can also be arranged to zigzag in an alternate embodiment of the invention Surface.First being positioned on the region on the left of the second opening 102a inside the antetheca 100A of protecgulum 100 coats water-resistant binder glue, Water-resistant binder glue is coated, the most again with being positioned on the region on the right side of the second opening 102a inside the antetheca 100A of protecgulum 100 Fin 102b is being assembled in the step on protecgulum 100: when left part 102b-1 of the fin 102b of Fig. 5 is pressed on Inside antetheca 100A be positioned on the region on the left of the second opening 102a and right part 102b-2 of fin 102b compresses Inside antetheca 100A when being positioned on the region on the right side of the second opening 102a, be presented as that the water-resistant binder glue of gelling properties can be Fin 102b adheres to be retained on protecgulum 100, if the front of the left and right sides part of fin is with jagged surface, Then the gluing firmness between fin 102b and antetheca 100A can be strengthened in these zigzag structure surfaces.Complete the group of fin After dress, protecgulum will be extended outwardly at the second opening 102a at the strip fin 102b-3 set by fin 102b front The outside of the antetheca 100A of 100.

See Fig. 4 and Fig. 6, inside the antetheca 100A of protecgulum 100, multiple screwed hole 114 be distributed, by Fig. 6 with The circuit board (PCB) 300 of interdigital 301 is installed in the step on protecgulum 100, first corresponding by each interdigital the 301 of circuit board 300 The through hole 115a arranged on holding board 115, the most again by circuit board 300 by the screw with screwed hole 114 adaptation It is fixed on protecgulum 100.The size of circuit board 300 is relatively big, can cover and shelter from fin 102b inside protecgulum 100, but Be fin 102b and substantially parallel and between them the clearance distance of circuit board 300 the least, in order on circuit board 300 Heat dissipation element can come close to or in contact with fin.The package casing of such as switching transistor on circuit board 300 and fin it Between can smear heat-conducting glue.

In preferred embodiment, before mounting circuit boards 300, it should first fin 102b back side upper limb and under Coating water-resistant binder glue, the most again mounting circuit boards 300 at edge, therefore circuit board 300 may the back of the body of extruded radiating fins 102b The water-resistant binder glue of face upper limb and lower edge, and slightly can expand to surrounding after adhesive glue stress, such as can be expanded to heat radiation Antetheca 100A inside region near the upper limb of sheet 102b, also can be expanded in the antetheca 100A near the lower edge of fin 102b Side region, thus adhesive glue can strengthen being firmly combined with between circuit board 300 and fin 102b and antetheca 100A further Degree.The more important thing is, under gap between upper limb and the upper limb of the second opening 102a of fin 102b, fin 102b The water-resistant binder glue that gap between the lower edge of edge and the second opening 102a all can be expanded ties up and fills up, thus plays waterproof Effect.

Seeing Fig. 4, the outside (being the lower section of sidewall 180f in figure) of the sidewall 180f of the corner of antetheca 100A is provided with One binding post 132, the inner side (being the top of sidewall 180f in figure) of sidewall 180f is then provided with a notch 151.Equally, the outside (being the lower section of sidewall 180e in figure) of the sidewall 180e of another corner of antetheca 100A is provided with and connects Line terminals 122, the inner side (being the top of sidewall 180e in figure) of sidewall 180e is then provided with a notch 161.Except this Additionally, in an alternate embodiment of the invention, it is also possible to it is internally embedded toroidal coil structure or annular magnetic at notch 151 or 161 Property structure 152.

See Fig. 4, interface (not illustrating) on the endoporus of binding post 132 and sidewall 180f, toroidal coil structure or The central bore alignment of ring core structure 152, interface (not illustrating) on the endoporus of binding post 122 and sidewall 180e, The central bore alignment of toroidal coil structure or ring core structure 152.In this manner so that require connect to circuit board Electric wire on 300 can be successively: through the endoporus of binding post 132 or 122, through connecing on sidewall 180f or sidewall 180e Mouthful, through loop construction or the central bore of core structure 152, thus electric wire by such path from photovoltaic power optimizer The inside of shell is received in the outside of the shell of structure, and is coupled on circuit board 300 on each electronic component of assembling.Toroid Coil structures or ring core structure 152 are the ingredients of the similar such sensing element of current sensor, and they can sense Current conditions on the electric wire through they endoporus.

Seeing Fig. 8, this embodiment mainly illustrates the corner of outer casing bottom and is not arranged to any chamfering, but directly It is connected in lower wall 180c at the lower lip of protecgulum 100 and binding post 122 and 132 is set, before now protecgulum 100 is provided with and is positioned at Upper side wall 180a at wall upper limb and lower wall 180c being positioned at antetheca lower edge, and it is positioned at the left side wall 180b at antetheca left border With the right side wall 180d being positioned at antetheca right border, but there is no sidewall 180e～180f of Fig. 1.

Also illustrate in fig. 8: lower wall 180c at the lower lip of antetheca 100A is provided with that to run through sidewall 180c whole One interface 180-3 (other interface is the most substantially similar) of thickness, (is lower wall 180c in figure in the outside of lower wall 180c Lower section) be additionally provided with the cylindric binding post 132 with endoporus, binding post 132 with its endoporus be directed at lower wall 180c The mode of interface 180-3 be fixed on 180c on the sidewall of this protecgulum.Wherein, it is disposed with interface 180-3's in lower wall 180c Inner side (i.e. the top of lower wall 180c) place is not provided with any notch.

Also illustrate in fig. 8: lower wall 180c at the lower lip of antetheca 100A is provided with that to run through sidewall 180c whole Another interface (be blocked and do not illustrate out) of thickness, (is lower wall 180c in figure in the outside of lower wall 180c Lower section) be additionally provided with the cylindric binding post 122 with endoporus, binding post 122 with its endoporus be directed at lower wall 180c The mode of this another interface be fixed in lower wall 180c of this protecgulum, in addition, go back special exhibition in fig. 8: Arrange (i.e. the top of lower wall 180c) at the inner side of this another interface of lower wall 180c is provided with a card Groove structure 161.

Seeing Fig. 8, notch 161 includes left side stopper 161b and right side stopper 161c and also includes one Individual front block unit 161a.Left side stopper 161b and right side stopper 161c are arranged on the lateral margin of a pair of front block unit 161a opposite side each other On, specifically: left side stopper 161b is connected between left border and lower wall 180c of front block unit 161a, and right side stopper 161c is connected between margo dexter and lower wall 180c of front block unit 161a, in therefore notch 161 is fixed on protecgulum 100 Side.It practice, notch 161 and protecgulum 100 use same material integrated molding to be prepared from.Therefore, left side stopper Both 161b and right side stopper 161c are substantially vertical with front block unit 161a, both also with the lower wall 180c base of protecgulum 100 This is vertical, and front block unit 161a and lower wall 180c are almost parallel.

Seeing Fig. 8, the position being positioned at an interface 180-3 inside lower wall 180c is not provided with any being situated between above The notch continued, but a notch 161 it is provided with in the position of an interface not illustrating out: this interface Side be provided with left side stopper 161b of notch 161, the relative opposite side of this interface is provided with the right side of notch 161 Stopper 161c, by the front block unit 161a of notch 161 and left side stopper 161b and this three of right side stopper 161c and protecgulum 100 Sidewall 180c limit a uncovered accepting groove towards bonnet 200, loop construction and/or core structure 152 are just embedded in In this accepting groove.It should be noted that: running through in loop construction and/or the central bore of core structure 152, lower wall 180c Interface, binding post 122 this three of endoporus should mutually front to back registration, therefore electric wire can sequentially pass through them, from shell It is connected externally on circuit board 300.

See Fig. 8, in a preferred embodiment, in order to avoid front block unit 161a shelters from electric wire and cannot be good Electric wire is imported to enclosure from housing exterior, is the most specially provided with on front block unit 161a and the interface pair in lower wall 180c An accurate breach 161a-1, therefore electric wire can be directly through this breach without coiling.

The shell of optimizer structure finally needs to adhere on photovoltaic module, and photovoltaic module has in the lamination process of encapsulation Various ways, as being followed successively by glass, EVA (ethylene-vinyl acetate copolymer), cell piece, EVA and backboard from outside to inside, optimizes The shell of device structure is usually installed on backboard.The ultimate principle that the shell of the optimizer of the application and photovoltaic module assemble It is: the multiple pigtail splices drawn from the battery strings of photovoltaic cell component need by scolding tin or the connection means of other equivalents And be docked on interdigital the 301 of Fig. 7, on interdigital 301, actual arrangement has the hard contact that Area comparison is big to draw in battery strings The pigtail splice docking gone out.

In the exclusive scheme of the application, the shell of optimizer structure is installed to the concrete operation side on photovoltaic module Formula is: first according to mode described above, all components (except shield 101b) of optimizer structure are fully assembled at one Rise, however it is necessary that and the first opening 101a of protecgulum 100 is remained opening-wide state, namely shield 101b does not the most cover the One opening 101a.Now the first opening 101a and the 3rd opening 201 are all opened types.The lead-in wire drawn from photovoltaic module connects Head is carried out and interdigital 301 preparations docked from bonnet 200 side of optimizer structure through the 3rd opening 201.Exist the most again Certain of photovoltaic module specifies region (namely composition surface) coating adhesive glue, or bonnet 200 back side in optimizer structure Coating adhesive glue, and bonnet 200 reverse side of optimizer structure is withheld gluing scribble the appointment of adhesive glue at photovoltaic module Region, completes the bonding step of shell.

When noting only being only completed shell bonding, between pigtail splice and interdigital 301 drawn from photovoltaic module not There is linker, reserved shield 101b above and do not cover reason for this is that of the first opening 101a: can be from optimization Observe at first opening 101a of the shell front side of device and manipulation pigtail splice (these pigtail splices of extraction from photovoltaic module Extend into the upper space of protecgulum from bonnet 200 side through the 3rd opening 201), namely at the first opening 101a can so that Prompt receives pigtail splice butt welding on interdigital the 301 of circuit board 300.Treat these to operate afterwards and recycle adhesive glue general Shield 101b gluing covers the first opening 101a on protecgulum 100.

In teachings herein, optimizer structure/device can produce many useful advantages, such as bonnet side and photovoltaic Although the bad control of the amount of the adhesive glue between assembly, but owing to being disposed with along bonnet periphery at the reverse side of this bonnet The groove of marginal distribution, so the adhesive glue of excess will not be extruded to outside the periphery lateral margin of protecgulum, but is extruded to fill out It is charged into inside grooves, therefore overcomes the bad phenomenon of excessive glue.It addition, the left and right sides of the fin of the application and the second opening The mode of marine glue gluing that uses of the left and right sides, and the lateral margin up and down at the fin back side is coated with the side of marine glue gluing Formula, has ensured that the gap between fin and the second opening is completely sealed, provides waterproof effect.

Above, by explanation and accompanying drawing, the exemplary embodiments of the ad hoc structure of detailed description of the invention, above-mentioned practicality are given Novel propose existing preferred embodiment, but these contents are not intended as limitation.For a person skilled in the art, read After reading described above, various changes and modifications will be apparent to undoubtedly.Therefore, appending claims should be regarded as and contains this The true intention of utility model and whole variations and modifications of scope.The model of any and all equivalence in Claims scope Enclose and content, be all considered as still belonging in intention of the present utility model and scope.

Claims (10)

1. a photovoltaic power optimizer structure, is provided with the shell of receiving space including inside, it is characterised in that this shell includes The protecgulum fitted together and bonnet, this protecgulum includes antetheca and from the periphery lateral margin of this antetheca side that integration extends backward Wall, and it is provided with the annular positioning groove arranged along whole annular sidewall, Yi Ji in the rear end face position in the inner part of sidewall The outside of locating slot remains with blocking part, when bonnet is arranged on the rear side of protecgulum to limit this receiving space, this bonnet Being embedded at locating slot of the suitable property of periphery makes this bonnet be buckled on protecgulum.

Photovoltaic power optimizer structure the most according to claim 1, it is characterised in that be provided with a horizontal stroke inside this protecgulum To the holding board vertical with antetheca arranged, holding board will be separated into upper and lower two spaces inside protecgulum；And

In the front part of antetheca, multiple through hole is distributed at this holding board, is thereby arranged at the lower space in protecgulum Circuit board on the interdigital upper space that extends to through through hole.

Photovoltaic power optimizer structure the most according to claim 2, it is characterised in that it is solid that the antetheca at this protecgulum is positioned at this Hold the region above and below plate and be respectively equipped with the first opening and the second opening；

The position being positioned at the first opening outside antetheca is covered with a shield and thereby covers the first opening；And

The position being positioned at the second opening inside antetheca is provided with a fin, and the left and right sides of fin is pressed on respectively On the region being positioned at the second opening left and right sides inside antetheca, and fin is clamped between this antetheca and circuit board.

Photovoltaic power optimizer structure the most according to claim 3, it is characterised in that being positioned at inside antetheca second is opened It is coated with marine glue on the region of the mouth left and right sides, utilizes marine glue to be bonded on this antetheca by fin；And

At the opposite side up and down at this fin back side, be coated with marine glue, utilize marine glue by bonding to fin and circuit board, and And the heat dissipation element installed on circuit board is also by the outside heat conduction of fin.

Photovoltaic power optimizer structure the most according to claim 2, it is characterised in that be provided with on this bonnet with on antetheca The 3rd opening of the first opening alignment, be provided with on circuit board each interdigital free terminal all with first and the 3rd Opening front to back registration.

Photovoltaic power optimizer structure the most according to claim 3, it is characterised in that be additionally provided with many in fin front The fin of individual strip, fin extends to the outside of the antetheca of this protecgulum from the second opening part of this protecgulum.

Photovoltaic power optimizer structure the most according to claim 1, it is characterised in that the side at the lower lip of this protecgulum Wall is provided with the interface running through sidewall thickness；Or

The sidewall of the corner that the lower lip of this protecgulum is connected mutually with left and right lateral margin is provided with the interface running through sidewall thickness.

Photovoltaic power optimizer structure the most according to claim 7, it is characterised in that the side-wall outer side at protecgulum also sets up Having the cylindric binding post with endoporus, binding post is fixed on this protecgulum in the way of interface in its endoporus aligned sidewalls On sidewall.

Photovoltaic power optimizer structure the most according to claim 7, it is characterised in that the inside sidewalls at protecgulum also sets up Including front block unit and the notch of left and right side stopper, left and right side stopper is arranged on the side of a pair of front block unit opposite side each other On edge and they are vertical with front block unit；

The left and right side stopper of a notch it is respectively arranged with, by notch and protecgulum in the both sides of a described interface Sidewall limit a uncovered accepting groove towards bonnet, and front block unit is provided with the breach being directed at described interface.

Photovoltaic power optimizer structure the most according to claim 9, it is characterised in that at the accepting groove of this notch It is embedded in the central bore of toroidal coil structure and/or ring core structure, toroidal coil structure and/or ring core structure With the interface on sidewall, notch front block unit on notch alignment overlap.