A kind of photovoltaic DC-to-AC converter with radiator structure
A kind of photovoltaic DC-to-AC converter is the utility model is related to, specially a kind of photovoltaic DC-to-AC converter with radiator structure, is belonged to
Power equipment applied technical field.
Inverter is also known as feed regulator isolator, is inverse switch circuit, referred to as inverter circuit, and the circuit passes through electronic switch
Conducting and shut-off, to complete the function of inversion, inverter is the critical component in solar photovoltaic generation system, corresponding photovoltaic
The important role of system, therefore there is higher researching value.
Existing inverter is using the boxlike or case structure of closing, and the inverter sealing property of this structure is good, still
Heat dispersion is weak, if too high heat can not disperse, inner member can be caused to be burned, and causes inverter service life short, warp
Ji damage is big.Therefore, a kind of photovoltaic DC-to-AC converter with radiator structure is proposed regarding to the issue above.
Utility model content
The purpose of this utility model is that to provide a kind of photovoltaic with radiator structure to solve the above problems inverse
The utility model is achieved through the following technical solutions above-mentioned purpose, a kind of photovoltaic inversion with radiator structure
Device, including top cover, internal box and shell, the top cover surface is provided with touch-screen, and top cover bottom is provided with shell；The shell table
Face is provided with binding post, and enclosure is provided with internal box；Aluminium sheet is provided between the internal box and top cover, and internal box both sides lead to
Cross aluminium sheet and connect micro-blower and negative-pressure air fan respectively；The side of the micro-blower and negative-pressure air fan is provided with air vent,
And the side of air vent is provided with projection；The raised bottom sides are provided with installing plate, and filter is sequentially provided with inside the internal box
Ripple device, inverter bridge, single-phase transformer and relay, and the bottom of internal box is provided with heat-conducting cream piece；The heat-conducting cream piece bottom is set
There is silica gel thermally conductive sheet, and silica gel thermally conductive sheet bottom connects semiconductor chilling plate, and the bottom of semiconductor chilling plate by heat-conducting cream piece
Portion is provided with radiating fin.
Preferably, the projection is provided with several, and spacing is equally distributed in shell two sides between projection.
Preferably, air vent is opened up between the projection, and air vent is using horn-like.
Preferably, the radiating fin uses uneven in length structure, and uneven in length radiating fin intersects, equidistant point
Cloth is in the bottom of semiconductor chilling plate.
Preferably, between the wave filter, inverter bridge, single-phase transformer, relay, touch-screen and binding post inside electrically
Preferably, it is connected together between the top cover and shell, and the two bottom sides solder-bump of top cover；It is described raised
Bottom welded and installed plate.
The beneficial effects of the utility model are：This kind has the photovoltaic DC-to-AC converter of radiator structure, can using double-decker
Ensure the sealing property of inner member, the appearance of no leaky, while be easy to radiate to inner member, in internal box
Surrounding installs aluminium sheet by the heat derives of the element of inside, sidepiece using micro-blower, negative-pressure air fan, both sides with air blast and
The mode of exhausting exports to the heat of inside, coordinates air vent and raised increasing area of dissipation, reaches good thermal diffusivity
Energy；The heat-conducting cream piece of bottom realizes heat conduction and the connection with semiconductor chilling plate, is realized by semiconductor chilling plate from bottom
The export of internal heat, internal heat dissipating is farthest realized by radiating fin, extend the service life of inverter, had good
Economic benefit and social benefit, be adapted to promote the use of.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model internal box and raised attachment structure schematic diagram；
Fig. 3 is the utility model principle structural representation.
In figure：1st, top cover, 2, internal box, 21, wave filter, 22, inverter bridge, 23, single-phase transformer, 24, relay, 3, touch
Touch screen, 4, aluminium sheet, 5, shell, 6, binding post, 7, raised, 8, micro-blower, 9, heat-conducting cream piece, 10, semiconductor chilling plate,
11st, installing plate, 12, radiating fin, 13, silica gel thermally conductive sheet, 14, negative-pressure air fan, 15, air vent.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to shown in Fig. 1-3, a kind of photovoltaic DC-to-AC converter with radiator structure, including top cover 1, internal box 2 and shell
5, the surface of top cover 1 is provided with touch-screen 3, and the bottom of top cover 1 is provided with shell 5；The surface of shell 5 is provided with binding post 6, institute
State the inside of shell 5 and be provided with internal box 2, it is double-layer structure to make photovoltaic DC-to-AC converter, neither changes overall sealing property, increases simultaneously
Radiating effect；Aluminium sheet 4 is provided between the internal box 2 and top cover 1, the heat conductivility of aluminium sheet 4 is good, is convenient for leading for heat
Go out, the both sides of internal box 2 connect micro-blower 8 and negative-pressure air fan 14 respectively by aluminium sheet 4, pass through micro-blower respectively
8 and negative-pressure air fan 14 heat is radiated and extracted out, strengthen heat dispersion；The micro-blower 8 and negative-pressure air fan 14
Side is provided with air vent 15, and the side of the air vent 15 is provided with projection 7, increases area of dissipation；Raised 7 bottom sides
Provided with installing plate 11, wave filter 21, inverter bridge 22, single-phase transformer 23 and relay 24 are sequentially provided with inside the internal box 2,
The bottom of the internal box 2 is provided with heat-conducting cream piece 9；The bottom of heat-conducting cream piece 9 is provided with silica gel thermally conductive sheet 13, the silica gel heat conduction
The bottom of piece 13 connects semiconductor chilling plate 10 by heat-conducting cream piece 9, and the bottom of the semiconductor chilling plate 10 is provided with radiating fin
12, the refrigeration of photovoltaic DC-to-AC converter is realized from bottom, realizes radiating.
Several are provided with as a kind of technical optimization scheme of the present utility model, described raised 7, and spacing between projection 7
The two sides of shell 5 are equally distributed in, area of dissipation is increased from sidepiece, strengthens radiating effect.
As a kind of technical optimization scheme of the present utility model, air vent 15, and air vent 15 are opened up between described raised 7
Using horn-like, strengthen ventilation effect, realize heat sinking function.
As a kind of technical optimization scheme of the present utility model, the radiating fin 12 uses uneven in length structure, and
Uneven in length radiating fin 12 intersects, is equally distributed on the bottom of semiconductor chilling plate 10, and refrigeration radiating is realized from bottom.
As a kind of technical optimization scheme of the present utility model, the wave filter 21, inverter bridge 22, single-phase transformer 23,
It is electrically connected between relay 24, touch-screen 3 and the inside of binding post 6, realizes the function of inverter.
As a kind of technical optimization scheme of the present utility model, it is connected together between the top cover 1 and shell 5, and top cover 1
Two bottom sides solder-bump 7；Described raised 7 bottom welded and installed plate 11, it is easy to disassemble.
When in use, the photovoltaic DC-to-AC converter that this kind has radiator structure connects photovoltaic control to the utility model by binding post 6
Device and transformer processed, are adjusted to the power supply of photovoltaic panel, complete inversion function, when photovoltaic DC-to-AC converter works, miniature air blast
Exchanging for heat is realized in the side that extraneous air is pumped into aluminium sheet 4 by air vent 15 by machine 8 with internal box 2, reaches internal case
Element inside body 2 is radiated, and the negative-pressure air fan 14 of opposite side extracts the heat of internal box 2 out, reaches dissipating to internal box 2
Heat, at the same time bottom pass through semiconductor system by the heat derives of 13 bottoms of internal box 2 of heat-conducting cream piece 9 and silica gel thermally conductive sheet
Cold 10 and radiating fin 12 reach the purpose of radiating and refrigeration to realizing heat exchange.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.