CN111464045B - Tree-shaped heat dissipation device of sealed photovoltaic inverter - Google Patents
Tree-shaped heat dissipation device of sealed photovoltaic inverter Download PDFInfo
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- CN111464045B CN111464045B CN202010391141.6A CN202010391141A CN111464045B CN 111464045 B CN111464045 B CN 111464045B CN 202010391141 A CN202010391141 A CN 202010391141A CN 111464045 B CN111464045 B CN 111464045B
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 74
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 238000007664 blowing Methods 0.000 claims abstract description 6
- 241000886569 Cyprogenia stegaria Species 0.000 claims description 25
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
Classifications
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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
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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
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
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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
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
- H05K7/20918—Forced ventilation, e.g. on heat dissipaters coupled to components the components being isolated from air flow, e.g. hollow heat sinks, wind tunnels or funnels
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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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a tree-type heat dissipation device of a sealed photovoltaic inverter, wherein a heat dissipation mechanism is movably arranged below a top part; the fan assembly is arranged above the top part and communicated with the heat dissipation mechanism; the heat dissipation mechanism is connected with the fan assembly through a transmission assembly, and the transmission assembly comprises a rotating structure for driving the heat dissipation mechanism to rotate and a lifting structure for driving the heat dissipation mechanism to move back and forth along the rotating axis of the heat dissipation mechanism. The device sends the fresh air outside the sealed photovoltaic inverter into the photovoltaic inverter for heat exchange and heat dissipation through the work of the fan assembly, the fan assembly drives the heat dissipation mechanism to rotate by means of the rotating structure in the transmission assembly, the purpose of uniform heat dissipation of the circumference is achieved, the lifting structure in the transmission assembly drives the heat dissipation mechanism to reciprocate back and forth along the rotation axis of the heat dissipation mechanism while rotating, uniform air blowing is carried out on the heat dissipation axial gap, and the effect of omnibearing heat dissipation without dead angles in the axial direction and the circumferential direction is achieved.
Description
Technical Field
The invention relates to the field of photovoltaic power, in particular to a tree-type heat dissipation device of a sealed photovoltaic inverter.
Background
The photovoltaic inverter is one of important system balances in a photovoltaic array system, and can be used with common alternating current power supply equipment. The inverter can convert variable direct current voltage generated by the photovoltaic solar panel into alternating current with the mains frequency, and can be fed back to a commercial power transmission system or used for an off-grid power grid.
Currently existing photovoltaic inverters are mainly divided into three types, namely independent inverters, grid-connected inverters and standby battery inverters.
However, the existing photovoltaic inverter is often used for thermal fusion open-circuit faults caused by overhigh temperature in hot summer, and because a better heat dissipation structure is not arranged, heat generated in the sealed interior is concentrated, and internal electrical equipment is easy to damage and power faults occur.
Disclosure of Invention
Based on the shortcomings in the prior art mentioned in the background art, the invention provides a tree-type heat dissipation device for a sealed photovoltaic inverter.
The invention adopts the following technical scheme to overcome the technical problems, and specifically comprises the following steps: a sealed photovoltaic inverter tree heat sink comprising: a top piece for fixed installation with the photovoltaic inverter housing; the heat dissipation mechanism is movably arranged below the top piece and is used for uniformly blowing air into the sealed photovoltaic inverter so as to achieve the heat exchange and dissipation effects; the fan assembly is arranged above the top part and communicated with the heat dissipation mechanism, and is used for sending low-temperature atmosphere outside the sealed photovoltaic inverter into the sealed photovoltaic inverter through the heat dissipation mechanism; the heat dissipation mechanism is connected with the fan assembly through a transmission assembly, and the transmission assembly comprises a rotating structure used for driving the heat dissipation mechanism to rotate and a lifting structure used for driving the heat dissipation mechanism to move back and forth along the rotating axis of the heat dissipation mechanism while rotating.
As a further scheme of the invention: the fan assembly includes: the fan shell is fixed above the top part, two sides of the fan shell are respectively fixed with an air inlet pipe and an air duct which are communicated with the inside of the fan shell, and the air duct is communicated with the heat dissipation mechanism; the impeller is rotatably arranged in the center of the interior of the fan shell through an impeller shaft; the fan is used for being matched with the fan shell, and sucking the air into the fan shell through the air inlet pipe when the impeller rotates, and then discharging the air into the heat dissipation mechanism through the air guide pipe, so that the fresh air input purpose is achieved; and the motor is arranged in the center of the upper part of the fan shell, the impeller shaft penetrates through the fan shell and is connected with the fan shell through a bearing, one end of the impeller shaft is connected with the output end of the motor, and the other end of the impeller shaft is connected with the rotating structure so as to drive the rotating structure to act when the fan assembly works.
As still further aspects of the invention: the heat dissipation mechanism includes: a housing mounted below the top member by a support assembly, a centerline of the housing being co-linear with an axis of the impeller shaft; the heat dissipation pipe is movably arranged in the shell along the central line of the shell, the lower part of the heat dissipation pipe is coaxially and hermetically connected with the outlet of the air duct in a sliding manner, and the heat dissipation pipe is used for containing fresh air discharged from the air duct; the tree-shaped pipe group comprises a plurality of tree-shaped pipes with circumferences penetrating through and fixed on the radiating pipes at equal intervals, and the tree-shaped pipe group is at least one group; when the tree-shaped pipe groups are at least two groups, the tree-shaped pipe groups are equidistantly arranged along the axial direction of the radiating pipe; the tail section of the air duct passes through the center of the lower part of the shell.
As still further aspects of the invention: the supporting component comprises supporting pieces symmetrically fixed on two sides below the top piece and mounting pieces fixed between the supporting pieces on two sides; a plurality of annular holes are uniformly formed in the shell, the shell is fixed on the mounting piece through bolts, and through holes for the heat radiating pipes to slide in a sealing mode are formed in the top wall of the shell and the mounting piece.
As still further aspects of the invention: the rotating structure comprises an output shaft penetrating through the top part and connected with the end part of the impeller shaft, and a rotating part coaxially and slidably arranged with the output shaft through a sliding fit part; the upper part of the radiating pipe is fixed with the rotating piece, and the output shaft is connected with the top piece through a bearing.
As still further aspects of the invention: the lifting structure is two sets of, and the symmetry sets up the both sides of output shaft, wherein, the lifting structure includes: the gear set is connected with the output shaft and a driven shaft which is horizontally and rotatably arranged on the upper part of the supporting piece and is used for driving the driven shaft to rotate in a following way while the impeller shaft drives the output shaft to rotate; the eccentric group is connected with the driven shaft and the rotating piece and is rotatably arranged at the lower part of the supporting piece and used for driving the rotating piece to move upwards; and the transmission piece is connected with the eccentric group and the driven shaft and is used for transmitting the torque of the driven shaft to the eccentric group.
As still further aspects of the invention: the sliding fit part comprises a connecting piece fixed at the lower part of the output shaft, sleeve pieces symmetrically arranged at two sides of the output shaft and fixed with the connecting piece, and a sliding piece fixed on the rotating piece and sleeved with the sleeve pieces in a sliding way; wherein, the elastic piece which is elastically connected with the sleeve piece is sleeved on the sliding piece.
As still further aspects of the invention: the gear set comprises a first bevel gear fixed on the output shaft and a second bevel gear fixed on the driven shaft and meshed with the first bevel gear; wherein, be fixed with below the top piece with the axle sleeve of driven shaft cover.
As still further aspects of the invention: the eccentric group comprises a rotating shaft which is horizontally and rotatably connected to the lower part of the supporting piece through a bearing and an eccentric wheel which is fixed at the end part of the rotating shaft and is attached to the lower surface of the rotating piece; the transmission piece is connected with the rotating shaft; and a sleeve for rotationally sleeving the rotary shaft is fixed on the mounting piece.
After adopting the structure, compared with the prior art, the invention has the following advantages: the device sends fresh air outside the sealed photovoltaic inverter into the photovoltaic inverter for heat exchange and heat dissipation through the operation of the fan assembly, meanwhile, the fan assembly drives the heat dissipation mechanism to rotate by means of the rotating structure in the transmission assembly, the purpose of uniform heat dissipation of the circumference is achieved, the lifting structure in the transmission assembly drives the heat dissipation mechanism to reciprocate back and forth along the rotation axis of the heat dissipation mechanism while rotating, uniform air blowing is carried out on the heat dissipation axial gap, and the effect of omnibearing heat dissipation without dead angles in the axial direction and the circumferential direction is achieved.
Drawings
Fig. 1 is a schematic structural diagram of a tree-type heat sink of a sealed photovoltaic inverter.
Fig. 2 is an enlarged view of a portion a of the tree-shaped heat sink of the sealed photovoltaic inverter.
Fig. 3 is a schematic diagram of the structure of the housing and annular hole in the sealed photovoltaic inverter tree heat sink.
In the figure; 1-a top part; 2-a fan; 3-motor; 4-impeller housing; 5-an airway; 6-radiating pipes; 7-tree-shaped tube; 8-a housing; 9-mounting; 10-a support; 11-an output shaft; 12-connecting piece; 13-kit; 14-a slider; 15-a rotating member; 16-an elastic member; 17-a first bevel gear; 18-a second bevel gear; 19-a driven shaft; 20-a transmission member; 21-a rotating shaft; 22-eccentric wheel; 23-annular holes.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In addition, an element in the present disclosure may be referred to as being "fixed" or "disposed" on another element or being directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Referring to fig. 1, in an embodiment of the present invention, a tree-type heat dissipation device for a sealed photovoltaic inverter includes: a top piece 1 for fixed installation with the photovoltaic inverter housing; the heat dissipation mechanism is movably arranged below the top part 1 and is used for uniformly blowing air into the sealed photovoltaic inverter so as to achieve the heat exchange and dissipation effects; the fan assembly is arranged above the top piece 1 and communicated with the heat dissipation mechanism, and is used for sending low-temperature atmosphere outside the sealed photovoltaic inverter into the sealed photovoltaic inverter through the heat dissipation mechanism; the heat dissipation mechanism is connected with the fan assembly through a transmission assembly, and the transmission assembly comprises a rotating structure for driving the heat dissipation mechanism to rotate and a lifting structure for driving the heat dissipation mechanism to move back and forth along the rotating axis of the heat dissipation mechanism while rotating;
Specifically, when the fan assembly works, fresh air outside the sealed photovoltaic inverter is sent into the photovoltaic inverter for heat exchange and heat dissipation, meanwhile, the fan assembly drives the heat dissipation mechanism to rotate by means of a rotating structure in the transmission assembly, the purpose of uniform heat dissipation of the circumference is achieved, the lifting structure in the transmission assembly drives the heat dissipation mechanism to reciprocate back and forth along the rotation axis of the heat dissipation mechanism while rotating, uniform air blowing is carried out on the heat dissipation axial gap, and the effect of omnibearing heat dissipation without dead angles in the axial direction and the circumferential direction is achieved.
In one embodiment of the invention, the fan assembly includes:
The fan shell 2 is fixed above the top piece 1, an air inlet pipe and an air guide pipe 5 which are communicated with the inside of the fan shell 2 are respectively fixed on two sides of the fan shell 2, and the air guide pipe 5 is communicated with the heat dissipation mechanism; and an impeller 4 rotatably installed at the inner center of the blower housing 2 by an impeller shaft; the fan is used for being matched with the fan shell 2, and sucking the air into the fan shell 2 through an air inlet pipe when the impeller 4 rotates, and then discharging the air into the heat dissipation mechanism through an air guide pipe 5, so that the purpose of fresh air input is achieved; the motor 3 is arranged in the center of the upper part of the fan shell 2, the impeller shaft penetrates through the fan shell 2 and is connected with the fan shell through a bearing, one end of the impeller shaft is connected with the output end of the motor 3, and the other end of the impeller shaft is connected with the rotating structure so as to drive the rotating structure to act when the fan assembly works; when the motor 3 is started, the impeller shaft and the impeller 4 are driven to rotate by the output end of the motor 3, the air draft function is realized under the action of the fan housing 2, and the air outside the inverter is discharged into the fan housing 2 through the air inlet pipe and then is discharged into the heat dissipation mechanism through the air guide pipe 5.
In another embodiment of the present invention, the heat dissipation mechanism includes:
A housing 8, said housing 8 being mounted below said top member 1 by a support assembly, the centre line of said housing 8 being co-linear with the axis of said impeller shaft; the radiating pipe 6 is movably arranged in the shell 8 along the central line of the shell 8, the lower part of the radiating pipe 6 is coaxially and hermetically connected with the outlet of the air duct 5 in a sliding manner, and the radiating pipe 6 is used for containing fresh air discharged from the air duct 5; the tree-shaped pipe group comprises a plurality of tree-shaped pipes 7 with circumferences penetrating through and fixed on the radiating pipes 6 at equal intervals, and the tree-shaped pipe group is at least one group; when the tree-shaped pipe groups are at least two groups, the tree-shaped pipe groups of each group are equidistantly arranged along the axial direction of the radiating pipe 6; the tail section of the air duct 5 passes through the lower center of the outer shell 8; the heat radiation pipe 6 accommodates the fresh air discharged from the air duct 5, and the fresh air is uniformly blown out from the heat radiation pipe 6 in the circumferential direction through the tree-shaped pipe group.
In a further embodiment of the invention, the support assembly comprises a support 10 symmetrically fixed on both sides below the top piece 1 and a mounting 9 fixed between the supports 10 on both sides; referring to fig. 3, the casing 8 is uniformly provided with a plurality of annular holes 23, the casing 8 is fixed on the mounting member 9 by bolts, and through holes for the heat dissipation tube 6 to slide through in a sealing manner are formed in both the top wall of the casing 8 and the mounting member 9; the heat dissipation tube 6 is driven to rotate and move up and down by utilizing a rotating structure and a lifting structure in the transmission assembly, and because gaps are still reserved between two adjacent tree-shaped tubes 7 in the same tree-shaped tube group, the tree-shaped tube group rotates along with the rotating heat dissipation tube 6, so that the heat dissipation gaps on the circumference are eliminated; in addition, the lifting structure drives the radiating pipe 6 and the tree pipe group arranged on the radiating pipe 6 to vibrate up and down, so that the axial radiating gap between two tree pipe groups with different axial heights is eliminated.
In a further embodiment of the invention, referring to fig. 2, the rotating structure comprises an output shaft 11 connected to the end of the impeller shaft through the top member 1 and a rotating member 15 coaxially slidably disposed with the output shaft 11 through a sliding engagement portion; wherein the upper part of the radiating pipe 6 is fixed with the rotating member 15, and the output shaft 11 is connected with the top member 1 through a bearing; when the impeller shaft drives the output shaft 11 to rotate, the output shaft 11 drives the rotating piece 15 to rotate by means of the sliding fit part, and the rotating piece 15 drives the radiating pipe 6 to rotate, so that the circular radiating effect is achieved.
In yet another embodiment of the present invention, the lifting structure is two sets symmetrically disposed at two sides of the output shaft 11, wherein the lifting structure includes: the gear set is connected with the output shaft 11 and a driven shaft 19 horizontally and rotatably arranged on the upper part of the supporting piece 10, and is used for driving the driven shaft 19 to rotate in a following way while the impeller shaft drives the output shaft 11 to rotate; the eccentric group is connected with the driven shaft 19 and the rotating piece 15, and is rotatably arranged at the lower part of the supporting piece 10 and used for driving the rotating piece 15 to move upwards; and a transmission member 20, wherein the transmission member 20 connects the eccentric group and the driven shaft 19, and is used for transmitting the torque of the driven shaft 19 to the eccentric group; when the output shaft 11 drives the rotating member 15 and the radiating pipe 6 to rotate by means of the sliding fit portion, the gear set is utilized to drive the eccentric set to act, so that the rotating member 15 and the radiating pipe 6 are driven to reciprocate along the axis direction while rotating.
In yet another embodiment of the present invention, the sliding fit portion includes a connecting member 12 fixed to a lower portion of the output shaft 11, a sleeve member 13 symmetrically disposed at both sides of the output shaft 11 and fixed to the connecting member 12, and a sliding member 14 fixed to the rotating member 15 to be slidably engaged with the sleeve member 13; wherein an elastic member 16 elastically coupled to the sleeve member 13 is fitted over the sliding member 14; when the output shaft 11 rotates, the connecting piece 12 and the sleeve pieces 13 fixed on two sides of the connecting piece 12 are driven to rotate, and the sleeve pieces 13 drive the sliding piece 14 and the rotating piece 15 to coaxially rotate along with the output shaft 11.
In yet another embodiment of the present invention, the gear set includes a first bevel gear 17 fixed to the output shaft 11 and a second bevel gear 18 fixed to the driven shaft 19 and meshed with the first bevel gear 17; wherein, in order to reduce the circumferential runout of the driven shaft 19, a shaft sleeve sleeved with the driven shaft 19 is fixed below the top part 1; the output shaft 11 rotates to drive the first bevel gear 17 to rotate, the first bevel gear 17 drives the second bevel gear 18 and the driven shaft 19 to rotate, the driven shaft 19 drives the eccentric group to rotate by utilizing the transmission piece 20, and then the rotation piece 15 and the radiating pipe 6 are driven to move upwards, and the elastic piece 16 is matched to achieve the reciprocating up-and-down movement of the rotation piece 15 and the radiating pipe 6, so that the rotary radiating pipe is capable of lifting back and forth during rotation.
In still another embodiment of the present invention, the eccentric group includes a rotating shaft 21 horizontally rotatably coupled to the lower portion of the supporting member 10 through a bearing, and an eccentric 22 fixed to an end of the rotating shaft 21 and fitted to the lower surface of the rotating member 15; the transmission piece 20 is connected with the rotating shaft 21; wherein, in order to reduce the circumference runout of the rotating shaft 21, a sleeve for rotationally sleeving with the rotating shaft 21 is fixed on the mounting piece 9; when the driven shaft 19 rotates, the driving part 20 drives the rotating shaft 21 to rotate, the rotating shaft 21 is electrically driven to rotate the eccentric wheel 22, the eccentric wheel 22 drives the rotating part 15 to reciprocate up and down under the double functions of the elastic part 16, the rotating part 15 and the self gravity of the radiating pipe 6, and the clamping between the radiating pipe 6 and the shell 8 and between the elastic part 16 and the mounting part 9 can be reduced.
The foregoing is illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. It is intended that all such variations as fall within the scope of the appended claims.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Claims (1)
1. The utility model provides a sealed photovoltaic inverter tree type heat abstractor which characterized in that includes:
a top piece (1) for fixed installation with the photovoltaic inverter housing; the heat dissipation mechanism is movably arranged below the top piece (1) and is used for uniformly blowing air into the sealed photovoltaic inverter; the fan assembly is arranged above the top piece (1) and communicated with the heat dissipation mechanism, and is used for sending low-temperature atmosphere outside the sealed photovoltaic inverter into the sealed photovoltaic inverter through the heat dissipation mechanism;
The heat dissipation mechanism is connected with the fan assembly through a transmission assembly, and the transmission assembly comprises a rotating structure for driving the heat dissipation mechanism to rotate and a lifting structure for driving the heat dissipation mechanism to move back and forth along the rotating axis of the heat dissipation mechanism while rotating;
the fan assembly includes:
The fan shell (2), the fan shell (2) is fixed above the top piece (1), an air inlet pipe and an air duct (5) which are communicated with the inside of the fan shell (2) are respectively fixed at two sides of the fan shell (2), and the air duct (5) is communicated with the heat dissipation mechanism; the impeller (4) is rotatably arranged in the center of the interior of the fan shell (2) through an impeller shaft; for cooperation with the blower housing (2); the motor (3) is arranged in the center of the upper part of the fan shell (2), the impeller shaft penetrates through the fan shell (2) and is connected with the fan shell through a bearing, one end of the impeller shaft is connected with the output end of the motor (3), and the other end of the impeller shaft is connected with the rotating structure;
the heat dissipation mechanism includes:
a housing (8), the housing (8) being mounted below the top piece (1) by a support assembly, the centre line of the housing (8) being co-linear with the axis of the impeller shaft; the heat dissipation pipe (6) is movably arranged in the shell (8) along the central line of the shell (8), the lower part of the heat dissipation pipe (6) is coaxially and hermetically connected with the outlet of the air duct (5) in a sliding manner, and the heat dissipation pipe (6) is used for accommodating fresh air discharged from the air duct (5); the tree-shaped pipe group comprises a plurality of tree-shaped pipes (7) with circumferences penetrating through and fixed on the radiating pipes (6) at equal intervals, and at least one tree-shaped pipe group is formed; when the tree-shaped pipe groups are at least two groups, the tree-shaped pipe groups of each group are equidistantly arranged along the axial direction of the radiating pipe (6);
The support assembly comprises support pieces (10) symmetrically fixed on two sides below the top piece (1) and mounting pieces (9) fixed between the support pieces (10) on two sides; a plurality of annular holes (23) are uniformly formed in the shell (8), the shell (8) is fixed on the mounting piece (9) through bolts, and through holes for the heat radiating pipes (6) to slide in a sealing manner are formed in the top wall of the shell (8) and the mounting piece (9);
The rotating structure comprises an output shaft (11) penetrating through the top piece (1) and connected with the end part of the impeller shaft, and a rotating piece (15) coaxially and slidably arranged with the output shaft (11) through a sliding fit part; the upper part of the radiating pipe (6) is fixed with the rotating piece (15), and the output shaft (11) is connected with the top piece (1) through a bearing;
the lifting structure is two sets of, and the symmetry sets up the both sides of output shaft (11), wherein, the lifting structure includes: the gear set is connected with the output shaft (11) and a driven shaft (19) which is horizontally and rotatably arranged at the upper part of the supporting piece (10); the eccentric group is connected with the driven shaft (19) and the rotating piece (15), and is rotatably arranged at the lower part of the supporting piece (10); and a transmission member (20), the transmission member (20) connecting the eccentric group and the driven shaft (19);
the sliding fit part comprises a connecting piece (12) fixed at the lower part of the output shaft (11), a sleeve piece (13) symmetrically arranged at two sides of the output shaft (11) and fixed with the connecting piece (12), and a sliding piece (14) fixed on the rotating piece (15) and sleeved with the sleeve piece (13) in a sliding way; wherein an elastic member (16) elastically connected to the sleeve member (13) is fitted over the sliding member (14);
The gear set comprises a first bevel gear (17) fixed on the output shaft (11) and a second bevel gear (18) fixed on the driven shaft (19) and meshed with the first bevel gear (17); wherein a shaft sleeve sleeved with the driven shaft (19) is fixed below the top part (1);
The eccentric group comprises a rotating shaft (21) horizontally and rotatably connected to the lower part of the supporting piece (10) through a bearing and an eccentric wheel (22) fixed at the end part of the rotating shaft (21) and attached to the lower surface of the rotating piece (15); the transmission piece (20) is connected with the rotating shaft (21); a sleeve for rotationally sleeving the rotary shaft (21) is fixed on the mounting piece (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010391141.6A CN111464045B (en) | 2020-05-11 | 2020-05-11 | Tree-shaped heat dissipation device of sealed photovoltaic inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010391141.6A CN111464045B (en) | 2020-05-11 | 2020-05-11 | Tree-shaped heat dissipation device of sealed photovoltaic inverter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111464045A CN111464045A (en) | 2020-07-28 |
| CN111464045B true CN111464045B (en) | 2024-06-11 |
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| CN202010391141.6A Active CN111464045B (en) | 2020-05-11 | 2020-05-11 | Tree-shaped heat dissipation device of sealed photovoltaic inverter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112437576B (en) * | 2020-11-24 | 2022-01-07 | 汪清县振发投资有限公司 | Inverter heat dissipation device for photovoltaic power generation |
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