CN204045569U - A kind of photovoltaic counnter attack diode - Google Patents
A kind of photovoltaic counnter attack diode Download PDFInfo
- Publication number
- CN204045569U CN204045569U CN201420336398.1U CN201420336398U CN204045569U CN 204045569 U CN204045569 U CN 204045569U CN 201420336398 U CN201420336398 U CN 201420336398U CN 204045569 U CN204045569 U CN 204045569U
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- CN
- China
- Prior art keywords
- photovoltaic
- counnter attack
- attack diode
- fastener
- terminals
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- Expired - Fee Related
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- 238000004806 packaging method and process Methods 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims description 11
- 230000005855 radiation Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- Photovoltaic Devices (AREA)
Abstract
The utility model relates to a kind of photovoltaic counnter attack diode, particularly relates to the architecture advances of the terminals of photovoltaic counnter attack diode; Comprise the packaging body leading to two terminals, in packaging body, diode chip for backlight unit is set; It is characterized in that: described terminals are by snap component and photovoltaic combiner box buckle secure fit; Described snap component comprises fastener and clamping cover, and the end of described terminals is arranged holds corresponding fastener or clamping cover with being buckled to fix of photovoltaic combiner box; Described fastener and clamping are arranged in overlapping respectively to be carried out being socketed the wiring needle guard and the wiring nook closing member that coordinate and realize electrical contact.The utility model provide a kind of can the photovoltaic counnter attack diode of waterproof sealing wiring, this photovoltaic counnter attack diode can high efficiency and heat radiation and easy for installation simultaneously.
Description
Technical field
The utility model relates to a kind of photovoltaic counnter attack diode field, particularly relates to the architecture advances of the terminals of photovoltaic counnter attack diode.
Background technology
One of effect of anti-reverse charging diode prevents solar module or square formation when not generating electricity, and the electric current of storage battery send to assembly or square formation conversely, unjust consumed energy, and assembly or square formation heating can be made even to damage; Two of effect is in battery array, prevents the electric current between each branch road of square formation from sending.This is because connect, the output voltage in each outlet can not be definitely equal, each branch voltage always has difference between high and low, or a certain branch trouble, shade to cover etc. and make the output voltage of this branch road reduce, the electric current of high voltage branch road will flow to low-voltage branch road, even can make the reduction of square formation overall output voltage.In each branch road, series connection access anti-reverse charging diode avoids the generation of this phenomenon.
Along with the fast development of photovoltaic industry, solar components to photovoltaic diode heat-sinking capability and the requirement in useful life also more and more higher.Photovoltaic diode generally comprises packaging body in the market, multiple binding post with hold-down nut is placed on packaging body, binding post exposes to outside packaging body, then realize wiring with the wiring on photovoltaic combiner box, the two ends of packaging body arrange installing hole for being fixed on photovoltaic photovoltaic combiner box simultaneously; The bottom of packaging body arranges heat dissipation metal plate; But because photovoltaic combiner box is through using for a long time, by the impact of its structure, be easy to occur that photovoltaic combiner box makes moist, the problems such as heat-sinking capability is poor, photovoltaic conflux carton deformed can be caused, cause whole assembly short for useful life, also exist simultaneously and troublesome problem is installed.
Summary of the invention
For the deficiency existed in background technology, the utility model object be to provide a kind of can the photovoltaic counnter attack diode of waterproof sealing wiring, this photovoltaic counnter attack diode can high efficiency and heat radiation and easy for installation simultaneously.
For achieving the above object, the utility model provides following technical scheme: a kind of photovoltaic counnter attack diode, comprises the packaging body leading to two terminals, arrange diode chip for backlight unit in packaging body; It is characterized in that: described terminals are by snap component and photovoltaic combiner box buckle secure fit; Described snap component comprises fastener and clamping cover, and the end of described terminals is arranged holds corresponding fastener or clamping cover with being buckled to fix of photovoltaic combiner box; Described fastener and clamping are arranged in overlapping respectively to be carried out being socketed the wiring needle guard and the wiring nook closing member that coordinate and realize electrical contact.
The utility model is also set to further: the outer surface of described wiring needle guard covers insulative water-proof cover, arranges and overlap with insulative water-proof the fitting recess coordinated in described clamping cover; Described insulative water-proof puts and arranges waterproof grommet in the position corresponding with the outer end that fitting recess coordinates.
The utility model is also set to further: described fitting recess is stepped hole, and described insulative water-proof cover comprises the sealing block set corresponding with stepped hole outer end and inner segment difference and waterproof jacket body, and described waterproof grommet is assemblied in sealing block set.
The utility model is also set to further: two terminals that described packaging body is drawn are arranged and fastener and clamping cover respectively.
The utility model is also set to further: described fastener or clamping are enclosed within junction and are respectively provided to few two groups of buckling pieces and coordinate cutting ferrule.
The utility model is also set to further: described waterproof grommet is annular rubber ring.
The utility model is also set to further: described packaging body bottom surface arranges cooling base.
The utility model is also set to further: described cooling base is symmetrical arranged two radiating fin groups in its two sides, and described radiating fin group comprises the radiating fin of multiple horizontal spaced set.
The beneficial effects of the utility model:
1, when mounted, directly the fastener of two terminals or clamping cover can be carried out buckle secure fit with the fastener on photovoltaic combiner box or clamping cover respectively, corresponding wiring needle guard and wiring nook closing member are coordinated with the waterproof sealing realizing contact pin type that coordinates of fitting recess by insulative water-proof cover, arrange waterproof grommet can realize further sealing in stepped hole outer end;
2, two terminals arrange the fastener corresponding with photovoltaic combiner box and clamping cover respectively, when assembling, can directly carry out buckle and fixing, and not spend and judge whether to occur reversal connection;
3, the bottom surface of packaging body arranges cooling base, and this cooling base can realize independent heat radiation, and can not produce with photovoltaic combiner box and interfere.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of Fig. 1 at A place partial enlargement;
Fig. 3 is the Facad structure schematic diagram of the utility model fastener;
Fig. 4 is the Facad structure schematic diagram of the utility model clamping cover;
Fig. 5 be the utility model fastener overlap with clamping the cross-sectional view coordinated.
Number in the figure implication: 1-packaging body; 2-fastener; 21-insulative water-proof cover; 21a-seals block set; 22-buckling piece; 23-annular rubber ring; 24-wiring needle guard; 3-clamping cover; 31-coordinates cutting ferrule; 32-fitting recess; 33-wiring nook closing member; 34-stepped hole outer end; 4-cooling base; 41-radiating fin group; 411-radiating fin.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
As shown in Figures 1 to 5, a kind of photovoltaic counnter attack diode, comprise the packaging body 1 leading to two terminals, diode chip for backlight unit (omitting in accompanying drawing) is set in packaging body 1, bottom surface arranges cooling base 4 to packaging body 1, its two sides of cooling base 4 are symmetrical arranged two radiating fin groups 41, and radiating fin group 41 comprises the radiating fin 411 of multiple horizontal spaced set; Terminals are by snap component and photovoltaic combiner box (omitting in accompanying drawing) buckle secure fit; Described snap component comprises fastener 2 and overlaps 3 with clamping, and fastener 2 or clamping cover 3 arrange buckling piece 22 respectively and coordinate cutting ferrule 31 in junction; The end of described terminals is arranged holds corresponding fastener 2 or clamping to overlap 3 with being buckled to fix of photovoltaic combiner box, two terminals that in the present embodiment, packaging body 1 is drawn arrange fastener 2 and clamping cover 3 respectively, photovoltaic combiner box is also correspondence arranges fastener 2 and clamping cover 3, the object that difference is arranged is when assembling, can directly carry out buckle to fix, and not spend that judge whether can reversal connection; Simultaneously also can two terminals and photovoltaic combiner box can be set to fastener 2 respectively simultaneously or clamping overlaps 3; Described fastener 2 and clamping are overlapped in 3 to arrange respectively and are carried out being socketed the wiring needle guard 24 and the wiring nook closing member 33 that coordinate and realize electrical contact.
The present embodiment is set to further: the outer surface of wiring needle guard 24 covers insulative water-proof cover 21, arranges and overlap 21 fitting recess coordinated 32 with insulative water-proof in clamping cover 3; Insulative water-proof cover 21 arranges waterproof grommet in the position corresponding with the outer end that fitting recess 32 coordinates, and in the present embodiment, waterproof grommet is annular rubber ring 23.
The present embodiment is set to further: fitting recess 32 is stepped hole, and insulative water-proof cover 21 comprises the sealing block set 21a corresponding with stepped hole outer end 34 and inner segment difference and waterproof jacket body, and annular rubber ring 23 is assemblied on sealing block set 21a.
Operation principle of the present utility model: when mounted, directly the fastener 2 of two terminals or clamping cover 3 can be overlapped 3 with the fastener 2 on photovoltaic combiner box or clamping respectively and carry out buckle secure fit, corresponding wiring needle guard 24 and wiring nook closing member 33 are coordinated with the waterproof sealing realizing contact pin type that coordinates of fitting recess 32 by insulative water-proof cover 21, and in stepped hole outer end, 34 arrange waterproof grommet and can realize further sealing; The bottom surface of packaging body 1 arranges cooling base 4, and this cooling base 4 can realize independent heat radiation, and can not produce with photovoltaic combiner box and interfere.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improvement of above-mentioned hypothesis and modification also should be considered as protection range of the present utility model.
Claims (8)
1. a photovoltaic counnter attack diode, comprises the packaging body leading to two terminals, arranges diode chip for backlight unit in packaging body; It is characterized in that: described terminals are by snap component and photovoltaic combiner box buckle secure fit; Described snap component comprises fastener and clamping cover, and the end of described terminals is arranged holds corresponding fastener or clamping cover with being buckled to fix of photovoltaic combiner box; Described fastener and clamping are arranged in overlapping respectively to be carried out being socketed the wiring needle guard and the wiring nook closing member that coordinate and realize electrical contact.
2. a kind of photovoltaic counnter attack diode according to claim 1, is characterized in that: the outer surface of described wiring needle guard covers insulative water-proof cover, arranges and overlap with insulative water-proof the fitting recess coordinated in described clamping cover; Described insulative water-proof puts and arranges waterproof grommet in the position corresponding with the outer end that fitting recess coordinates.
3. a kind of photovoltaic counnter attack diode according to claim 2, it is characterized in that: described fitting recess is stepped hole, described insulative water-proof cover comprises the sealing block set corresponding with stepped hole outer end and inner segment difference and waterproof jacket body, and described waterproof grommet is assemblied in sealing block set.
4. a kind of photovoltaic counnter attack diode according to claim 1 or 2 or 3, is characterized in that: two terminals that described packaging body is drawn are arranged and fastener and clamping cover respectively.
5. a kind of photovoltaic counnter attack diode according to claim 1 or 2 or 3, is characterized in that: described fastener or clamping are enclosed within junction and are respectively provided to few two groups of buckling pieces and coordinate cutting ferrule.
6. a kind of photovoltaic counnter attack diode according to Claims 2 or 3, is characterized in that: described waterproof grommet is annular rubber ring.
7. a kind of photovoltaic counnter attack diode according to claim 1 or 2 or 3, is characterized in that: described packaging body bottom surface arranges cooling base.
8. a kind of photovoltaic counnter attack diode according to claim 7, it is characterized in that: described cooling base is symmetrical arranged two radiating fin groups in its two sides, described radiating fin group comprises the radiating fin of multiple horizontal spaced set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420336398.1U CN204045569U (en) | 2014-06-11 | 2014-06-11 | A kind of photovoltaic counnter attack diode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420336398.1U CN204045569U (en) | 2014-06-11 | 2014-06-11 | A kind of photovoltaic counnter attack diode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204045569U true CN204045569U (en) | 2014-12-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420336398.1U Expired - Fee Related CN204045569U (en) | 2014-06-11 | 2014-06-11 | A kind of photovoltaic counnter attack diode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204045569U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958937A (en) * | 2016-05-19 | 2016-09-21 | 浙江华晶整流器有限公司 | Photovoltaic anti-reversing diode of high heat radiation performance |
-
2014
- 2014-06-11 CN CN201420336398.1U patent/CN204045569U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958937A (en) * | 2016-05-19 | 2016-09-21 | 浙江华晶整流器有限公司 | Photovoltaic anti-reversing diode of high heat radiation performance |
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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 |
Granted publication date: 20141224 |