CN111818761A - Self-cooling heat dissipation device of photovoltaic inverter - Google Patents
Self-cooling heat dissipation device of photovoltaic inverter Download PDFInfo
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- CN111818761A CN111818761A CN202010673658.4A CN202010673658A CN111818761A CN 111818761 A CN111818761 A CN 111818761A CN 202010673658 A CN202010673658 A CN 202010673658A CN 111818761 A CN111818761 A CN 111818761A
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- photovoltaic inverter
- fixedly connected
- shell
- heat exchange
- wall
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- 238000001816 cooling Methods 0.000 title claims abstract description 25
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 20
- 239000000428 dust Substances 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 238000009423 ventilation Methods 0.000 claims abstract description 16
- 230000000903 blocking effect Effects 0.000 claims abstract description 10
- 238000003780 insertion Methods 0.000 claims description 16
- 230000037431 insertion Effects 0.000 claims description 16
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 10
- 239000000110 cooling liquid Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002627 tracheal intubation Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/32—Electrical components comprising DC/AC inverter means associated with the PV module itself, e.g. AC modules
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/03—Covers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20181—Filters; Louvers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20927—Liquid coolant without phase change
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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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Abstract
The invention discloses a self-cooling heat dissipation device of a photovoltaic inverter, which comprises a photovoltaic inverter shell, wherein the middle part of the lower end of the photovoltaic inverter shell is provided with an air inlet, a dust blocking mechanism is arranged inside the air inlet, a cooling mechanism and a ventilation mechanism are arranged at the lower end inside the photovoltaic inverter shell, and the lower end of one side of the photovoltaic inverter shell is fixedly connected with a first liquid storage shell. The invention avoids the loss of the heat dissipation effect caused by the damage of the fan.
Description
Technical Field
The invention relates to a heat dissipation device, in particular to a self-cooling heat dissipation device of a photovoltaic inverter, and belongs to the technical field of heat dissipation devices.
Background
The photovoltaic inverter can convert current generated by a solar photovoltaic panel into current used by people in daily life, and is one of important components in a solar power generation system.
At present, the photovoltaic inverter is used, when the photovoltaic inverter works, the inside heat is discharged by mostly only relying on the fan arranged inside, the radiating effect is achieved, the heat generated when the fan works is difficult to dissipate in time, the driving element inside the fan is easy to damage due to high temperature, in order to improve the radiating effect, the fan can suck dust in the outside air into the photovoltaic inverter when the fan works, the phenomenon that the dust is accumulated in the inside of the photovoltaic inverter is caused, and the photovoltaic inverter is inconvenient to clean.
Disclosure of Invention
The invention provides a self-cooling heat dissipation device of a photovoltaic inverter, which effectively solves the problems in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention discloses a self-cooling heat dissipation device of a photovoltaic inverter, which comprises a photovoltaic inverter shell, wherein an air inlet is formed in the middle of the lower end of the photovoltaic inverter shell, a dust blocking mechanism is arranged inside the air inlet, a cooling mechanism and a ventilation mechanism are arranged at the lower end inside the photovoltaic inverter shell, a first liquid storage shell is fixedly connected to the lower end of one side of the photovoltaic inverter shell, a second liquid storage shell is fixedly connected to the lower end of the other side of the photovoltaic inverter shell, a connecting pipe is fixedly connected between the second liquid storage shell and the back surface of the first liquid storage shell, and a plurality of heat dissipation holes are formed in the side wall of the photovoltaic inverter shell.
As a preferred technical scheme of the invention, the dust blocking mechanism comprises a dust-proof mesh enclosure, an insertion tube is fixedly connected to the upper end of the dust-proof mesh enclosure, the insertion tube is inserted into the air inlet, a filter block is bonded to the inner side of the insertion tube, a blocking ring is in threaded connection with the inner side of the insertion tube and above the filter block, and both ends of the dust-proof mesh enclosure are detachably connected to the photovoltaic inverter casing through mounting bolts.
As a preferred technical scheme of the invention, the baffle ring comprises a fixing ring, the circumferential outer wall of the fixing ring is in threaded connection with the circumferential inner wall of the insertion tube, the circumferential inner wall of the fixing ring is fixedly connected with a fixing disc through a plurality of support plates, the central lines of the fixing disc and the fixing ring are overlapped, and the distances between every two adjacent support plates are the same.
As a preferred technical scheme of the present invention, the ventilation mechanism includes an installation shell, an exhaust plate is fixedly connected to an upper end of the installation shell, both sides of the exhaust plate are fixedly connected to an inner wall of the photovoltaic inverter housing, the exhaust plate is of a U-shaped structure and has an exhaust groove therein, the exhaust groove is of a U-shaped structure and has upper ends at both sides thereof communicated with an exterior of the exhaust plate, filter screens are clamped to upper ends at both sides of the exhaust groove, a fan penetrates and is fixedly connected between an upper end of the installation shell and a lower end of the exhaust plate, an upper end of the fan is located inside the exhaust groove, and a lower end of the fan is located inside the installation shell.
According to a preferable technical scheme of the invention, the middle part of the upper end of the exhaust plate is fixedly connected with a fixed plate, the middle parts of two sides of the fixed plate are respectively provided with a clamping groove, two sides of the fixed plate are respectively clamped on the exhaust plate through the clamping grooves, the inner walls of the clamping grooves are respectively contacted with the outer wall of the exhaust plate, and two sides of the fixed plate are respectively fixedly connected on the inner wall of the photovoltaic inverter shell.
As a preferred technical solution of the present invention, the cooling mechanism includes a heat exchange box, a lower end of the heat exchange box is fixedly connected to a lower end of the inside of the photovoltaic inverter housing, a first through groove is formed in a middle portion of the lower end of the heat exchange box, an upper end of the heat exchange box is fixedly connected to a lower end of the mounting housing of the ventilation mechanism, a second through groove is formed in a middle portion of the upper end of the heat exchange box, a circulation pump is disposed on one side of the heat exchange box, a lower end of the circulation pump is fixedly connected to a lower end of the inside of the photovoltaic inverter housing, an input end of the circulation pump is fixedly connected to a first circulation pipe, an output end of the circulation pump is connected to a second circulation pipe, one end of the first circulation pipe, which is far away from the circulation pump, penetrates through a side wall of the photovoltaic inverter housing and extends into the inside of the first liquid storage housing, one end of the, and the outer wall of the heat exchange shell is fixedly connected with a plurality of heat conduction fins.
As a preferable technical solution of the present invention, one end of the second circulation pipe penetrating through the heat exchange box penetrates through the other side wall of the photovoltaic inverter housing and extends to the inside of the second liquid storage tank.
As a preferred technical solution of the present invention, the first through groove and the second through groove both coincide with a center line of the air inlet, and the second through groove is communicated with an inside of the mounting case of the ventilation mechanism.
The invention has the following beneficial effects:
1. the invention relates to a refrigeration heat dissipation device applied to a photovoltaic inverter, which dissipates heat inside a shell of the photovoltaic inverter through the matching of a cooling mechanism and a ventilation mechanism.
2. The dust blocking mechanism is arranged at the air inlet, when a fan of the ventilation mechanism extracts air outside the photovoltaic inverter shell, the dust screen and the filter block of the dust blocking mechanism can filter dust in the air, so that the dust is prevented from being accumulated inside the photovoltaic inverter shell, and during cleaning, the mounting bolt is only needed to be dismounted to clean the dust on the dust screen, and a new filter block is replaced, so that the cleaning process is more convenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a front cut-away view of the present invention;
FIG. 2 is a view of the area at A in FIG. 1;
FIG. 3 is a schematic view of the retainer ring of the present invention;
FIG. 4 is a schematic structural view of a fixing plate according to the present invention;
fig. 5 is a rear view of the present invention.
In the figure: 1. a photovoltaic inverter housing; 2. an air inlet; 3. a dust blocking mechanism; 31. a dust-proof net cover; 32. inserting a tube; 33. a filter block; 34. a baffle ring; 3401. a fixing ring; 3402. a support plate; 3403. fixing the disc; 35. installing a bolt; 4. a cooling mechanism; 41. a heat exchange box; 42. a first through groove; 43. a second through groove; 44. a circulation pump; 45. a first circulation pipe; 46. a second circulation pipe; 47. a heat exchange shell; 48. a heat conductive fin; 5. a ventilation mechanism; 51. mounting a shell; 52. a fan; 53. a vent panel; 54. an exhaust duct; 55. a filter screen; 56. a fixing plate; 57. a card slot; 6. a first reservoir shell; 7. a second reservoir shell; 8. a connecting pipe; 9. and (4) heat dissipation holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): as shown in fig. 1 to 5, the self-cooling heat dissipation device for a photovoltaic inverter of the present invention comprises a photovoltaic inverter housing 1, an air inlet 2 is arranged in the middle of the lower end of the photovoltaic inverter shell 1, a dust blocking mechanism 3 is arranged in the air inlet 2, a cooling mechanism 4 and a ventilation mechanism 5 are arranged at the lower end of the interior of the photovoltaic inverter shell 1, a first liquid storage shell 6 is fixedly connected at the lower end of one side of the photovoltaic inverter shell 1, a second liquid storage shell 7 is fixedly connected with the lower end of the other side of the photovoltaic inverter shell 1, a connecting pipe 8 is fixedly connected between the second liquid storage shell 7 and the back surface of the first liquid storage shell 6, connect first liquid storage shell 6 and second liquid storage shell 7 through connecting pipe 8, make things convenient for the coolant liquid to circulate between first liquid storage shell 6 and second liquid storage shell 7, a plurality of louvres 9 have been seted up on the lateral wall of photovoltaic inverter casing 1.
Wherein, the ventilation mechanism 5 comprises an installation shell 51, the upper end of the installation shell 51 is fixedly connected with an exhaust plate 53, both sides of the exhaust plate 53 are fixedly connected to the inner wall of the photovoltaic inverter shell 1, the exhaust plate 53 is in a U-shaped structure and is internally provided with an exhaust groove 54, the exhaust groove 54 is in a U-shaped structure and is communicated with the outside of the exhaust plate 53, both sides of the exhaust groove 54 are respectively clamped with a filter screen 55, the middle part of the upper end of the exhaust plate 53 is fixedly connected with a fixing plate 56, both sides of the fixing plate 56 are respectively provided with a clamping groove 57, both sides of the fixing plate 56 are respectively clamped on the exhaust plate 53 through the clamping groove 57, the inner wall of the clamping groove 57 is respectively contacted with the outer wall of the exhaust plate 53, both sides of the fixing plate 56 are fixedly connected to the inner wall of the photovoltaic inverter shell 1, a fan 52 penetrates between the upper end of the installation shell 51 and the lower end of the exhaust plate 53 and is fixedly connected, the upper end of the fan 52 is located inside the exhaust groove 54, the lower end of the fan 52 is located inside the mounting shell 51, the cooled air is discharged into the exhaust groove 54 through the fan 52, the cooled air is discharged into the photovoltaic inverter casing 1 through the exhaust groove 54, the internal heat of the photovoltaic inverter casing 1 is discharged, meanwhile, the temperature inside the photovoltaic inverter casing 1 is reduced, and therefore the purpose of cooling and radiating the inside of the photovoltaic inverter casing 1 is achieved.
Wherein, keep off dirt mechanism 3 including dustproof screen panel 31, the upper end fixedly connected with intubate 32 of dustproof screen panel 31, intubate 32 is inserted in the inside of air intake 2, the inboard bonding of intubate 32 has filter block 33, the inboard top threaded connection who just is located filter block 33 of intubate 32 has fender ring 34, the both ends of dustproof screen panel 31 are all dismantled through construction bolt 35 and are connected on photovoltaic inverter casing 1, utilize the dust in dustproof screen panel 31 and the filter block 33 filtered air, prevent that the dust from piling up in photovoltaic inverter casing 1's inside.
Wherein, keep off ring 34 including solid fixed ring 3401, gu fixed ring 3401's circumference outer wall and intubation tube 32's circumference inner wall threaded connection, gu fixed ring 3401's circumference inner wall has fixed disk 3403 through a plurality of extension boards 3402 fixedly connected with, fixed disk 3403 and solid fixed ring 3401's central line coincide mutually, adjacent two distance between extension board 3402 is the same all, and accessible extension board 3402 keeps off filter block 33 in intubation tube 32's inside, prevents that filter block 33 from being sucked intubation tube 32.
Wherein, the cooling mechanism 4 wraps the heat exchange box 41, the lower end of the heat exchange box 41 is fixedly connected with the lower end of the inside of the photovoltaic inverter casing 1, the middle part of the lower end of the heat exchange box 41 is provided with a first through groove 42, the upper end of the heat exchange box 41 is fixedly connected with the lower end of the installation shell 51 of the ventilation mechanism 5, the middle part of the upper end of the heat exchange box 41 is provided with a second through groove 43, one side of the heat exchange box 41 is provided with a circulating pump 44, the lower end of the circulating pump 44 is fixedly connected with the lower end of the inside of the photovoltaic inverter casing 1, the input end of the circulating pump 44 is fixedly connected with a first circulating pipe 45, the output end of the circulating pump 44 is provided with a second circulating pipe 46, one end of the first circulating pipe 45 far away from the circulating pump 44 penetrates through the side wall of the side of the photovoltaic inverter casing 1 and extends to the inside, the second circulation pipe 46 is located fixedly connected with heat exchange shell 47 on the inside outer wall of heat exchange box 41, a plurality of heat conduction fins 48 are fixedly connected with on the outer wall of heat exchange shell 47, the one end that second circulation pipe 46 runs through heat exchange box 41 runs through the opposite side lateral wall of photovoltaic inverter casing 1 and extends to the inside of second liquid storage shell 7, utilize during circulating pump 44 with coolant liquid input second circulation pipe 46, cool off heat exchange shell 47 and heat conduction fins 48, conveniently cool off the air that gets into heat exchange box 41 inside.
The first through groove 42 and the second through groove 43 are coincident with the center line of the air inlet 2, and the second through groove 43 is communicated with the inside of the installation shell 51 of the ventilation mechanism 5, so that cooled air is conveniently discharged into the installation shell 51, and the fan 52 and the inside of the photovoltaic inverter shell 1 are cooled.
Specifically, when the power supply is turned on and heat is dissipated, the fan 52 draws air outside the photovoltaic inverter housing 1 through the second through groove 43, the first through groove 42 and the air inlet 2, and sucks the air into the heat exchange box 41, in the process, the dust-proof mesh enclosure 31 blocks dust doped in the outside air, the filter block 33 filters residual dust in the air, meanwhile, the circulating pump 44 discharges cooling liquid inside the first liquid storage shell 6 into the second circulating pipe 46 through the first circulating pipe 45, the cooling liquid cools the heat exchange shell 47 and the heat-conducting fins 48 through the second circulating pipe 46, then the cooling liquid discharges into the second liquid storage shell 7 through the second circulating pipe 46, the cooling liquid inside the second liquid storage shell 7 flows back into the first liquid storage shell 6 through the connecting pipe 8, and when the air enters the heat exchange box 41, the heat exchange shell 47 and the heat-conducting fins 48 cool the air, then the fan 52 discharges the cooled air into the inside of the exhaust groove 54, in this process, the cooled air cools the fan 52 to prevent the fan 52 from being damaged by high temperature, the cooled air is discharged into the inside of the photovoltaic inverter casing 1 through the exhaust groove 54, the heat inside is discharged through the heat dissipation holes 9 formed in the photovoltaic inverter casing 1, the inside of the photovoltaic inverter casing 1 is cooled and dissipated, when cleaning is needed, the mounting bolt 35 can be removed, the insertion tube 32 is pulled out from the air inlet 2 through the dust screen 31, then dust adhered to the outside of the dust screen 31 is cleaned, the baffle ring 34 is rotated to rotate the baffle ring 34 out of the inside of the insertion tube 32, the filter block 33 is pulled out to clean the dust adhered to the inside of the dust screen 31, a new filter block 33 is adhered to the inside of the insertion tube 32, the baffle ring 34 is clamped back to the inside of the insertion tube 32, and the baffle ring 34 is rotated reversely, until the baffle ring 34 is fastened inside the insertion tube 32 to block the filter block 33, the insertion tube 32 is inserted back into the air inlet 2 through the dust screen 31, and the dust screen 31 is fixed on the photovoltaic inverter housing 1 through the mounting bolt 35.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a self-cooling heat abstractor of photovoltaic inverter, includes photovoltaic inverter casing (1), its characterized in that, air intake (2) have been seted up at the lower extreme middle part of photovoltaic inverter casing (1), the internally mounted of air intake (2) has dust blocking mechanism (3), cooling body (4) and ventilation mechanism (5) are installed to the inside lower extreme of photovoltaic inverter casing (1), the first liquid storage shell (6) of one side lower extreme fixedly connected with of photovoltaic inverter casing (1), opposite side lower extreme fixedly connected with second liquid storage shell (7) of photovoltaic inverter casing (1), fixedly connected with connecting pipe (8) between the back of second liquid storage shell (7) and first liquid storage shell (6), a plurality of louvres (9) have been seted up on the lateral wall of photovoltaic inverter casing (1).
2. The self-cooling heat dissipation device of a photovoltaic inverter according to claim 1, wherein the dust shielding mechanism (3) includes a dust shielding mesh (31), an insertion tube (32) is fixedly connected to an upper end of the dust shielding mesh (31), the insertion tube (32) is inserted into the air inlet (2), a filter block (33) is bonded to an inner side of the insertion tube (32), a blocking ring (34) is screwed on an inner side of the insertion tube (32) and above the filter block (33), and both ends of the dust shielding mesh (31) are detachably connected to the photovoltaic inverter housing (1) through mounting bolts (35).
3. The self-cooling heat dissipation device of the photovoltaic inverter as recited in claim 2, wherein the baffle ring (34) comprises a fixing ring (3401), the outer circumferential wall of the fixing ring (3401) is in threaded connection with the inner circumferential wall of the insertion tube (32), the inner circumferential wall of the fixing ring (3401) is fixedly connected with a fixing plate (3403) through a plurality of support plates (3402), the center lines of the fixing plate (3403) and the fixing ring (3401) are coincident, and the distances between two adjacent support plates (3402) are the same.
4. The self-cooling heat dissipation device of a photovoltaic inverter as claimed in claim 1, the ventilation mechanism (5) comprises a mounting shell (51), the upper end of the mounting shell (51) is fixedly connected with a vent plate (53), both sides of the exhaust plate (53) are fixedly connected on the inner wall of the photovoltaic inverter shell (1), the exhaust plate (53) is in a U-shaped structure, an exhaust groove (54) is arranged in the exhaust plate, the exhaust groove (54) is in a U-shaped structure, the upper ends of two sides of the exhaust groove are communicated with the outside of the exhaust plate (53), the upper ends of the two sides of the air exhaust groove (54) are respectively clamped with a filter screen (55), a fan (52) is penetrated and fixedly connected between the upper end of the mounting shell (51) and the lower end of the air exhaust plate (53), the upper end of the fan (52) is positioned in the exhaust groove (54), and the lower end of the fan (52) is positioned in the mounting shell (51).
5. The self-cooling heat dissipation device of a photovoltaic inverter according to claim 4, wherein a fixing plate (56) is fixedly connected to the middle portion of the upper end of the air exhaust plate (53), a clamping groove (57) is formed in the middle portion of each of two sides of the fixing plate (56), two sides of the fixing plate (56) are clamped on the air exhaust plate (53) through the clamping groove (57), the inner wall of the clamping groove (57) is in contact with the outer wall of the air exhaust plate (53), and two sides of the fixing plate (56) are fixedly connected to the inner wall of the photovoltaic inverter housing (1).
6. The self-cooling heat dissipation device of the photovoltaic inverter as defined in claim 4, wherein the cooling mechanism (4) comprises a heat exchange box (41), the lower end of the heat exchange box (41) is fixedly connected with the lower inner end of the photovoltaic inverter casing (1), a first through slot (42) is formed in the middle of the lower end of the heat exchange box (41), the upper end of the heat exchange box (41) is fixedly connected with the lower end of the mounting shell (51) of the ventilation mechanism (5), a second through slot (43) is formed in the middle of the upper end of the heat exchange box (41), a circulation pump (44) is disposed on one side of the heat exchange box (41), the lower end of the circulation pump (44) is fixedly connected with the lower inner end of the photovoltaic inverter casing (1), a first circulation pipe (45) is fixedly connected to the input end of the circulation pump (44), and a second circulation pipe (46) is fixedly connected to the output end of, one end of the first circulating pipe (45) far away from the circulating pump (44) penetrates through the side wall of one side of the photovoltaic inverter shell (1) and extends to the inside of the first liquid storage shell (6), one end of the second circulating pipe (46) far away from the circulating pump (44) penetrates through and is fixedly connected to the heat exchange box (41), the second circulating pipe (46) is located on the outer wall of the inside of the heat exchange box (41) and is fixedly connected with the heat exchange shell (47), and the outer wall of the heat exchange shell (47) is fixedly connected with a plurality of heat conduction fins (48).
7. The self-cooling heat sink for photovoltaic inverter as claimed in claim 6, wherein the second circulation pipe (46) extends through one end of the heat exchange tank (41) through the other side wall of the photovoltaic inverter housing (1) and into the interior of the second liquid storage tank (7).
8. The self-cooling heat dissipation device for the photovoltaic inverter as recited in claim 6, wherein the first through slot (42) and the second through slot (43) are both coincident with a center line of the air inlet (2), and the second through slot (43) is communicated with the inside of the mounting shell (51) of the ventilation mechanism (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010673658.4A CN111818761A (en) | 2020-07-14 | 2020-07-14 | Self-cooling heat dissipation device of photovoltaic inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010673658.4A CN111818761A (en) | 2020-07-14 | 2020-07-14 | Self-cooling heat dissipation device of photovoltaic inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111818761A true CN111818761A (en) | 2020-10-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010673658.4A Withdrawn CN111818761A (en) | 2020-07-14 | 2020-07-14 | Self-cooling heat dissipation device of photovoltaic inverter |
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| Country | Link |
|---|---|
| CN (1) | CN111818761A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114362668A (en) * | 2021-12-31 | 2022-04-15 | 江苏铭利达科技有限公司 | Photovoltaic inverter heat radiation structure |
| CN115664228A (en) * | 2022-11-01 | 2023-01-31 | 广州固源电力工程设计有限公司 | Distributed photovoltaic secondary voltage grid-connected device |
-
2020
- 2020-07-14 CN CN202010673658.4A patent/CN111818761A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114362668A (en) * | 2021-12-31 | 2022-04-15 | 江苏铭利达科技有限公司 | Photovoltaic inverter heat radiation structure |
| CN115664228A (en) * | 2022-11-01 | 2023-01-31 | 广州固源电力工程设计有限公司 | Distributed photovoltaic secondary voltage grid-connected device |
| CN115664228B (en) * | 2022-11-01 | 2023-07-28 | 广州固源电力工程设计有限公司 | Distributed photovoltaic secondary voltage grid-connected device |
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Application publication date: 20201023 |