CN219718106U - Heat dissipation type photovoltaic inverter - Google Patents
Heat dissipation type photovoltaic inverter Download PDFInfo
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- CN219718106U CN219718106U CN202320817350.1U CN202320817350U CN219718106U CN 219718106 U CN219718106 U CN 219718106U CN 202320817350 U CN202320817350 U CN 202320817350U CN 219718106 U CN219718106 U CN 219718106U
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- heat dissipation
- bulkhead
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- outer shell
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 44
- 239000003990 capacitor Substances 0.000 claims abstract description 29
- 238000009423 ventilation Methods 0.000 claims abstract description 11
- 238000005192 partition Methods 0.000 claims description 17
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 6
- 239000000428 dust Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000009466 transformation Effects 0.000 description 7
- 230000005855 radiation Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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- Inverter Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a heat dissipation type photovoltaic inverter, and relates to the technical field of inverter structures. The inverter comprises an outer shell, an air inlet and an air outlet are respectively formed in two sides of the outer shell, a transformer main board is installed in the outer shell, radiating fins are fixedly connected to the transformer main board, a bulkhead is installed at the top of the transformer main board, sides, close to the air inlet and the air outlet, of the bulkhead are in an opening shape, a capacitor bank is installed outside the bulkhead, an air inlet fan and a radiating fan are respectively installed on two sides of the bulkhead, and constant-pressure ports are formed in two sides of the outer shell. According to the utility model, the penetrating bulkhead is arranged on the installed transformer main board, the radiating fins are connected with the bulkhead, the air inlet fan and the air outlet fan are respectively installed at two sides of the bulkhead, and the air pressure balance of the constant pressure port is matched, so that the overall heat dissipation of the transformer main board is realized, meanwhile, the heat dissipation and ventilation of the transformer main board are separated from the capacitor bank at the outer side of the bulkhead, the integral heat dissipation of the inverter is realized, and the use safety of the capacitor bank is improved.
Description
Technical Field
The utility model belongs to the technical field of inverter structures, and particularly relates to a heat dissipation type photovoltaic inverter.
Background
Photovoltaic power generation is one of the current common power generation modes, the basic process of photovoltaic power generation is that photoelectric effect conversion is firstly carried out by a solar panel, then direct current is collected by a storage battery, then the mutual conversion of direct current and alternating current is carried out by a photovoltaic inverter, and finally the direct current and the alternating current are distributed to a terminal for use; when the inverter performs ac conversion, a large amount of heat is generated.
The patent specification with the publication number of CN218301985U discloses a photovoltaic inverter heat radiation structure, which comprises an outer shell, an inner shell, a fan and a dustproof component, wherein the inner shell is arranged in the outer shell and is provided with a gap with the inner wall of the outer shell, the side edge of the inner shell is provided with the fan, the outer shell is provided with the dustproof component, the dustproof component comprises a rectangular frame, filter cloth and a pressing plate, the rectangular frame fits in a rectangular hole on the outer shell and faces the fan, the filter cloth is attached to the rectangular frame and pressed by the pressing plate, and the pressing plate is movably arranged on the rectangular frame.
The technical scheme has some defects: the main structure in the inverter is provided with a capacitor group for storing current and a voltage-alternating-current-direct-conversion transformation main board, wherein the voltage-alternating-current-direct-conversion transformation main board is a heating main body, the heating value of the capacitor group is small and the capacitor group cannot be overheated; secondly, the device sets up for inside and outside double-deck shell structure, and the wind channel is obstructed, and just dispels the heat through two fans for whole heat dissipation is relatively poor.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
The utility model aims to provide a heat-dissipation type photovoltaic inverter, which aims to solve the following technical problems: the transformer main board in the existing inverter is closer to the capacitor bank, and adopts a unified heat dissipation mode to dissipate heat, so that the service life of the capacitor bank is influenced; meanwhile, the heat dissipation effect is poor due to the double-layer structure and the heat dissipation structure of only two fans for heat dissipation.
The aim of the utility model can be achieved by the following technical scheme:
the heat dissipation type photovoltaic inverter comprises an outer shell, an air inlet and an air outlet are respectively arranged at two sides of the outer shell, a transformation main board is arranged in the outer shell, heat dissipation fins are fixedly connected to the transformation main board, a partition frame is arranged at the top of the transformation main board, the sides, close to the air inlet and the air outlet, of the partition frame are all in an opening shape, a capacitor bank is arranged at the outer side of the partition frame, an air inlet fan and a heat dissipation fan are respectively arranged at two sides of the partition frame, and the partition frame is used for blocking the transformation main board and the capacitor bank; and constant pressure ports are formed in two sides of the outer shell.
As a further scheme of the utility model: the upper short cover is arranged on one side of the top end of the air inlet of the outer shell, and the side plate is arranged on one side of the air outlet of the outer shell.
As a further scheme of the utility model: the number of the air inlets is two, the air inlets are adjacent to the air inlet fans and correspond to each other one by one, and the air outlets are adjacent to the heat dissipation fans and are adaptive to the heat dissipation fans.
As a further scheme of the utility model: the two constant pressure port connecting surfaces are mutually perpendicular to the penetrating connecting surface of the bulkhead, and the constant pressure ports are mutually separated from the adjacent sides of the bulkhead.
As a further scheme of the utility model: and a radiating hole is formed in one side of the outer shell, and a ventilation wheel is arranged in the capacitor bank adapting radiating hole.
As a further scheme of the utility model: the number of the ventilation wheels is two, and the surfaces of the ventilation wheels are uniformly provided with baffle plates.
The utility model has the beneficial effects that:
1. through arranging a bulkhead on one side of the transformer main board arranged in the outer shell, penetrating two sides of the bulkhead, respectively arranging an air inlet fan and a heat radiation fan on the penetrating sides of the two sides, and arranging an air inlet and an air outlet in an adaptive manner at the outer shell, the transformer main board is matched with the constant pressure ports on the two sides to actively radiate heat, so that a heat radiation air duct is formed, and the overall heat radiation of the transformer main board is realized;
2. through installing the varactor group in the bulkhead outside, separate the heat of vary voltage mainboard during operation and the dust and the varactor group that bring in when dispelling the heat, offered the louvre simultaneously at outer shell body one side adaptation ventilative wheel, together with the heat dissipation to vary voltage mainboard, guaranteed the safe in utilization of electric capacity group when having satisfied the radiating overall demand of dc-to-ac converter, improved the life of electric capacity.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the back structure of the present utility model;
FIG. 3 is a schematic view of the internal structure of the present utility model from the perspective of FIG. 1;
fig. 4 is a schematic view of the internal structure of the present utility model from the perspective of fig. 2.
In the figure: 1. an outer housing; 2. an air inlet; 3. an air outlet; 4. a heat radiation hole; 5. a constant pressure port; 6. a voltage transformation main board; 7. a spacer frame; 8. a heat sink; 9. an air intake fan; 10. a heat radiation fan; 11. a capacitor group; 12. a ventilation wheel; 13. a side plate; 14. and (5) a short cover is arranged.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 4, the heat dissipation type photovoltaic inverter comprises an outer shell 1, two air inlets 2 are formed in one side of the outer shell 1, an air outlet 3 is formed in one side, far away from the air inlet 2, of the outer shell 1, a group of heat dissipation holes 4 are formed in one side, far away from the air inlet 2, of the outer shell 1, and constant pressure ports 5 are formed in the same ends of two perpendicular sides of the connecting surfaces of the air inlet 2 and the air outlet 3 of the outer shell 1.
As shown in fig. 3 and fig. 4, a transformer main board 6 is installed at one side of the inside of the outer casing 1, a bulkhead 7 is provided at one side of the top of the transformer main board 6, a heat sink 8 is fixedly connected inside the bulkhead 7, the heat sink 8 is preferably an aluminum heat sink fin, the heat sink 8 is electrically connected with the transformer main board 6, it should be noted that the constant pressure ports 5 at two sides of the outer casing 1 are separated from the bulkhead 7 when being communicated transversely (see fig. 3), that is, one end of the bulkhead 7 is separated from the adjacent side of the constant pressure ports 5, and the purpose of the structure is that when balancing wind pressure, the air intake at two sides of the outer casing 1 is not affected by the bulkhead 7;
two air inlet fans 9 are adaptively arranged on one side of the partition frame 7 at the air inlet 2, the air inlet fans 9 are used for air inlet through the air inlet 2 and are poured into the partition frame 7, the two sides of the partition frame 7 in the directions of the air inlet 2 and the air outlet 3 are all in an opening shape, namely, the communication surfaces of the air inlet 2 and the air outlet 3 are in a penetrating state, so that the air flow of the air inlet fans 9 is conveniently poured in, meanwhile, a cooling fan 10 is arranged on one side of the partition frame 7, which is close to the constant pressure port 5, the cooling fan 10 and the air inlet fans 9 rotate together to form a complete cooling channel, and the partition frame 7 with openings on two sides and cooling fins 8 arranged inside are matched to comprehensively cool the transformer motherboard 6, so that the cooling effect of the transformer motherboard 6 is improved;
the capacitor bank 11 is arranged at one side of the bulkhead 7 in the outer shell 1, a great amount of heat is generated when the transformer motherboard 6 performs AC-DC conversion, the heat dissipation of the transformer motherboard 6 is blocked from the capacitor bank 11 through the bulkhead 7, the capacitor bank 11 is used for receiving and storing direct current and alternating current before and after the AC-DC conversion, the heat generation is limited, but the service life of the capacitor bank is influenced by high heat, so the heat of the transformer motherboard 6 in the bulkhead 7 is separated from the transformer motherboard 6 through the bulkhead 7, and the influence of the heat emitted by the transformer motherboard 6 in the bulkhead 7 on the capacitor bank 11 is effectively avoided after the heat is timely discharged by the air inlet fan 9 and the heat dissipation fan 10; the capacitor bank 11 is close to the heat dissipation hole 4 and is provided with the ventilation wheel 12, the surface of the ventilation wheel 12 is fixedly connected with a large number of baffle plates, and the ventilation wheel is used for discharging basic heat in the capacitor bank 11 and avoiding dust entering the capacitor, and the fact that the baffle frame 7 is used for heat insulation and simultaneously effectively avoiding the influence of the dust brought into the inverter into the capacitor bank 11 due to large air flow, namely the baffle frame 7 not only blocks heat but also blocks dust, so that the safety of the capacitor bank 11 in use is improved.
As shown in fig. 1 and 2, a side plate 13 of the outer casing 1 at one side of the air outlet 3 is connected with the main body of the outer casing 1 through a screw, one side of the outer casing 1 at the top of the air inlet 2 is fixedly connected with an upper short cover 14 through a screw, the side plate 13 and the upper short cover 14 are detachably connected with the outer casing 1 through screws, the air outlet at the air inlet and outlet position is a main concentration point of dust, and convenient cleaning of internal dust can be realized through the disassembly and assembly of the side plate 13 and the upper short cover 14.
When the inverter works, the air inlet 2 positioned at one side of the outer shell 1 provides air flow required by heat dissipation for the air inlet fan 9 positioned at the adjacent position inside, the air flow enters the installation position of the transformer main board 6 through the partition frames 7 penetrating through the two sides, when the heat generated by the connected transformer main board 6 is evacuated by the heat dissipation fins 8, the heat is discharged by the heat dissipation fans 10 arranged in the air outlet 3, so that an integral heat dissipation channel for dissipating the heat of the transformer main board 6 is formed, and when the channel carries out severe air flow interaction, the constant pressure ports 5 at the two sides of the outer shell 1 provide a large amount of air for auxiliary air supply to balance air pressure and can also carry out partial heat dissipation; the capacitor bank 11 arranged on one side outside the bulkhead 7 is isolated from heat, and meanwhile, contact with a large amount of dust is avoided, meanwhile, the outer shell 1 is provided with the heat dissipation holes 4 for the heat dissipation of the air-permeable wheels 12, the air-permeable wheels 12 can meet the heat dissipation requirement of the capacitor bank 11, the heat dissipation of the capacitor bank 11 and the transformer motherboard 6 is separated, the use safety of the capacitor bank 11 is ensured, and meanwhile, the integral requirement of the heat dissipation of the inside of the inverter can be met; meanwhile, the convenient dust cleaning can be realized by disassembling and assembling the side plate 13 and the upper short cover 14, and the service life of each part in the inverter is indirectly prolonged.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (6)
1. The heat dissipation type photovoltaic inverter comprises an outer shell (1), and is characterized in that an air inlet (2) and an air outlet (3) are respectively arranged at two sides of the outer shell (1), a transformer main board (6) is arranged in the outer shell (1), heat dissipation fins (8) are fixedly connected to the transformer main board (6), a partition frame (7) is arranged at the top of the transformer main board (6), the partition frame (7) is close to the air inlet (2) and the air outlet (3), the sides of the partition frame (7) are all open, a capacitor bank (11) is arranged at the outer side of the partition frame (7), an air inlet fan (9) and a heat dissipation fan (10) are respectively arranged at two sides of the partition frame (7), and the partition frame (7) is used for blocking the transformer main board (6) and the capacitor bank (11); constant pressure ports (5) are formed in two sides of the outer shell (1).
2. The heat dissipation type photovoltaic inverter according to claim 1, wherein an upper short cover (14) is installed on one side of the top end of the air inlet (2) of the outer housing (1), and a side plate (13) is installed on one side of the air outlet (3) of the outer housing (1).
3. The heat dissipation type photovoltaic inverter according to claim 1, wherein the number of the air inlets (2) is two, the air inlets (2) are adjacent to the air inlet fans (9) and are in one-to-one correspondence, and the air outlets (3) are adjacent to and are adapted to the heat dissipation fans (10).
4. The heat-dissipating photovoltaic inverter according to claim 1, characterized in that the connection surfaces of the two constant voltage ports (5) and the through connection surface of the bulkhead (7) are perpendicular to each other, and the constant voltage ports (5) and the adjacent sides of the bulkhead (7) are separated from each other.
5. The heat dissipation type photovoltaic inverter according to claim 1, characterized in that a heat dissipation hole (4) is arranged on one side of the outer shell (1), and the capacitor bank (11) is fitted with the heat dissipation hole (4) and is provided with a ventilation wheel (12).
6. The heat dissipation type photovoltaic inverter according to claim 5, wherein the number of the ventilation wheels (12) is two, and the surface of the ventilation wheels (12) is uniformly provided with baffle plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320817350.1U CN219718106U (en) | 2023-04-13 | 2023-04-13 | Heat dissipation type photovoltaic inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320817350.1U CN219718106U (en) | 2023-04-13 | 2023-04-13 | Heat dissipation type photovoltaic inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219718106U true CN219718106U (en) | 2023-09-19 |
Family
ID=88004845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320817350.1U Active CN219718106U (en) | 2023-04-13 | 2023-04-13 | Heat dissipation type photovoltaic inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219718106U (en) |
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2023
- 2023-04-13 CN CN202320817350.1U patent/CN219718106U/en active Active
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