CN111464045A - Tree-shaped heat dissipation device for sealed photovoltaic inverter - Google Patents
Tree-shaped heat dissipation device for sealed photovoltaic inverter Download PDFInfo
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- CN111464045A CN111464045A CN202010391141.6A CN202010391141A CN111464045A CN 111464045 A CN111464045 A CN 111464045A CN 202010391141 A CN202010391141 A CN 202010391141A CN 111464045 A CN111464045 A CN 111464045A
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 72
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 241000886569 Cyprogenia stegaria Species 0.000 claims description 28
- 238000001816 cooling Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000033001 locomotion Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Classifications
-
- 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
-
- 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
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- 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-shaped heat dissipation device for 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 and a lifting structure, wherein the rotating structure is used for driving the heat dissipation mechanism to rotate, and the lifting structure is used for driving the heat dissipation mechanism to move back and forth along the rotating axis of the heat dissipation mechanism. The device sends the outer new trend of sealed photovoltaic inverter into photovoltaic inverter through fan subassembly work and carries out the heat transfer heat dissipation in sending into photovoltaic inverter, and the fan subassembly drives with the help of the revolution mechanic among the drive assembly heat dissipation mechanism rotates, reaches the even heat dissipation purpose of circumference, and the elevation structure among the drive assembly drives heat dissipation mechanism is rotatory in, along its axis of rotation reciprocating back and forth movement, evenly bloies radiating axial clearance, reaches the all-round radiating effect in axial and the not dead angle of circumference.
Description
Technical Field
The invention relates to the field of photovoltaic power, in particular to a tree-shaped heat dissipation device for a sealed photovoltaic inverter.
Background
The photovoltaic inverter is one of important system balances in a photovoltaic array system and can be used together 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 commercial power frequency, and can feed back the alternating current to a commercial power transmission system or an off-grid power grid.
Currently, existing photovoltaic inverters are mainly classified into three types, namely an independent inverter, a grid-connected inverter and a backup battery inverter.
However, the existing photovoltaic inverter is often used for hot-melt open circuit failure due to overhigh temperature in hot summer, and the heat generated in the sealed interior is gathered due to the absence of a better heat dissipation structure, so that the internal electrical equipment is easily damaged, and power failure occurs.
Disclosure of Invention
Based on the above mentioned shortcomings in the prior art, the invention provides a tree-shaped heat dissipation device for a sealed photovoltaic inverter.
The invention overcomes the technical problems by adopting the following technical scheme, and specifically comprises the following steps:
a tree heat sink for a sealed photovoltaic inverter, comprising:
the top piece is used for being fixedly installed with the photovoltaic inverter shell; and
the heat dissipation mechanism is movably arranged below the top part and used for uniformly blowing air into the sealed photovoltaic inverter so as to achieve the effect of heat exchange and heat dissipation; and
the fan assembly is arranged above the top part, communicated with the heat dissipation mechanism and 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 and a lifting structure, wherein the rotating structure is used for driving the heat dissipation mechanism to rotate, and the lifting structure is used for driving the heat dissipation mechanism to move back and forth along the rotating axis of the heat dissipation mechanism.
As a further scheme of the invention: the fan assembly includes:
the fan shell is fixed above the top part, an air inlet pipe and an air guide pipe which are communicated with the inside of the fan shell are respectively fixed on two sides of the fan shell, and the air guide pipe is communicated with the heat dissipation mechanism; and
the impeller is rotatably arranged in the center of the inner part of the fan shell through an impeller shaft; the fan is used for matching with the fan shell, sucking the atmosphere into the fan shell through the air inlet pipe when the impeller rotates, and then discharging the atmosphere into the heat dissipation mechanism through the air guide pipe to achieve the purpose of inputting fresh air; 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 that the rotating structure is driven to act while the fan component works.
As a still further scheme of the invention: the heat dissipation mechanism includes:
a housing mounted below the top piece by a support assembly, the housing having a centerline collinear with the axis of the impeller shaft; and
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, hermetically and slidably connected with the outlet of the air guide pipe, and the heat dissipation pipe is used for accommodating fresh air discharged from the air guide pipe; and
the tree-shaped pipe group comprises a plurality of tree-shaped pipes which are circumferentially and equidistantly fixed on the air guide pipe in a penetrating manner, 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 arranged at equal intervals along the axial direction of the radiating pipe;
the tail section of the air duct penetrates through the center of the lower part of the shell.
As a still further scheme of the invention: the support assembly comprises support pieces symmetrically fixed on two sides below the top piece and a mounting piece fixed between the support pieces on two sides;
a plurality of annular holes have evenly been seted up on the shell, the shell passes through the bolt fastening on the installed part, just all seted up the confession on the roof of shell and the installed part the sealed through-hole that slides and pass of cooling tube.
As a still further scheme 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 matching part;
the upper parts of the radiating pipes are fixed with the rotating part, and the output shaft is connected with the top part through a bearing.
As a still further scheme of the invention: the elevation structure is two sets of, and the symmetry sets up the both sides of output shaft, wherein, elevation structure includes:
the gear set is connected with the output shaft and a driven shaft horizontally and rotatably arranged at the upper part of the support part and is used for driving the driven shaft to rotate along with the output shaft driven by the impeller shaft; and
the eccentric group is connected with the driven shaft and the rotating part, is rotatably arranged at the lower part of the supporting part and is used for driving the rotating part to move upwards; and
and the transmission part 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 a still further scheme of the invention: the sliding matching part comprises connecting pieces fixed at the lower part of the output shaft, external members symmetrically arranged at two sides of the output shaft and fixed with the connecting pieces, and sliding pieces fixed on the rotating pieces and slidably sleeved with the external members;
wherein, an elastic part elastically connected with the sleeve is sleeved on the sliding part.
As a still further scheme 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, a shaft sleeve sleeved with the driven shaft is fixed below the top part.
As a still further scheme of the invention: the eccentric group comprises a rotating shaft which is horizontally and rotatably connected to the lower part of the supporting part 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 part; the transmission piece is connected with the rotating shaft;
and a sleeve which is rotatably sleeved with the rotating 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 the outer new trend of sealed photovoltaic inverter into photovoltaic inverter through fan subassembly work and carries out the heat transfer heat dissipation in, simultaneously, the fan subassembly drives with the help of the revolution mechanic among the drive assembly heat dissipation mechanism rotates, reaches the even heat dissipation purpose of circumference, and the elevation structure among the drive assembly drives heat dissipation mechanism is rotatory while, along its axis of rotation reciprocating back and forth movement, evenly bloies radiating axial clearance, reaches the all-round radiating effect in axial and the circumference no dead angle.
Drawings
Fig. 1 is a schematic structural diagram of a tree-shaped heat dissipation device of a sealed photovoltaic inverter.
Fig. 2 is an enlarged view of a portion a of the tree-shaped heat sink of the encapsulated photovoltaic inverter.
Fig. 3 is a schematic structural diagram of a housing and an annular hole in a tree-shaped heat dissipation device for a sealed photovoltaic inverter.
In the figure; 1-a top piece; 2-a fan; 3-an electric motor; 4-impeller housing; 5, an air guide pipe; 6-radiating pipes; 7-tree type pipe; 8-a housing; 9-a mounting member; 10-a support; 11-an output shaft; 12-a connector; 13-a kit; 14-a slide; 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 hole.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. 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 of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements 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 as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1, in an embodiment of the present invention, a tree-shaped heat dissipation device for a sealed photovoltaic inverter includes:
a top part 1 for fixed mounting with the photovoltaic inverter housing; and
the heat dissipation mechanism is movably arranged below the top part 1 and used for uniformly blowing air into the sealed photovoltaic inverter so as to achieve the effect of heat exchange and heat dissipation; and
the fan assembly is arranged above the top part 1, communicated with the heat dissipation mechanism and 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;
particularly, 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, and the lifting structure in the transmission assembly drives the heat dissipation mechanism to reciprocate along the rotating axis of the heat dissipation mechanism while rotating, so that air is uniformly blown to a heat dissipation axial gap, and the axial and circumferential non-dead-angle all-dimensional heat dissipation effect is achieved.
In one embodiment of the present invention, the fan assembly comprises:
the fan shell 2 is fixed above the top part 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
the impeller 4 is rotatably arranged in the center of the inner part of the fan shell 2 through an impeller shaft; the fan is used for matching with the fan shell 2, sucking the atmosphere into the fan shell 2 through the air inlet pipe when the impeller 4 rotates, and then discharging the atmosphere into the heat dissipation mechanism through the air guide pipe 5 to achieve the purpose of inputting fresh air; and
the motor 3 is installed 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 that the rotating structure is driven to act while the fan component works;
after 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 function of air draft is realized under the action of the fan shell 2, and the atmosphere outside the inverter is exhausted into the fan shell 2 through the air inlet pipe and then is exhausted 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 part 1 by means of a support assembly, the centre line of said housing 8 being in line with the axis of said impeller shaft; and
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, hermetically and slidably connected with the outlet of the air guide pipe 5, and the radiating pipe 6 is used for accommodating fresh air exhausted from the air guide pipe 5; and
the tree-shaped pipe group comprises a plurality of tree-shaped pipes 7 which are circumferentially and equidistantly fixed on the air guide pipe 5 in a penetrating way, 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 arranged at equal intervals along the axial direction of the radiating pipe 6;
the tail section of the air duct 5 passes through the center of the lower part of the shell 8; the cooling tube 6 holds the fresh air discharged from the air duct 5, and the fresh air is uniformly blown out from the cooling tube 6 through the tree-shaped tube group.
In a further embodiment of the invention, the support assembly comprises support members 10 symmetrically fixed on both sides under the top member 1 and a mounting member 9 fixed between the support members 10 on both sides;
referring to fig. 3, a plurality of annular holes 23 are uniformly formed in the housing 8, the housing 8 is fixed to the mounting member 9 by bolts, and through holes for the heat dissipation pipe 6 to pass through in a sealing and sliding manner are formed in both the top wall of the housing 8 and the mounting member 9;
the radiating pipe 6 is driven to rotate and move up and down in a reciprocating manner at the same time by utilizing a rotating structure and a lifting structure in the transmission assembly, and because a gap still exists between two adjacent tree-shaped pipes 7 in the same tree-shaped pipe group, the tree-shaped pipe group rotates along with the rotating radiating pipe 6, so that the radiating gap on the circumference is eliminated;
in addition, elevation structure drives cooling tube 6 shakes with the tree type nest of tubes that sets up on cooling tube 6 is reciprocal from top to bottom, eliminates the axial heat dissipation clearance between the two sets of tree type nest of tubes of different axial height.
In another embodiment of the present invention, referring to fig. 2, the rotating structure comprises an output shaft 11 passing through the top member 1 and connecting the end of the impeller shaft, and a rotating member 15 coaxially slidably disposed with the output shaft 11 through a sliding fit;
wherein, the upper part of the radiating pipe 6 is fixed with the rotating part 15, and the output shaft 11 is connected with the top part 1 through a bearing;
when the impeller shaft drives the output shaft 11 rotates, the output shaft 11 drives the rotating part 15 to rotate by means of the sliding fit part, and the rotating part 15 drives the radiating pipe 6 to rotate, so that a circumferential radiating effect is achieved.
In another embodiment of the present invention, the lifting structures are two groups, and are symmetrically disposed on two sides of the output shaft 11, wherein the lifting structures include:
the gear set is connected with the output shaft 11 and a driven shaft 19 horizontally and rotatably arranged at the upper part of the support part 10 and is used for driving the driven shaft 19 to rotate along with the output shaft 11 driven by the impeller shaft; and
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 20, said transmission 12 connecting said eccentric set with said driven shaft 19, for transmitting the torque of said driven shaft 19 to said eccentric set;
when the output shaft 11 drives the rotation member 15 and the heat dissipation pipe 6 to rotate by means of the sliding fit portion, the eccentric set is driven by the gear set, so that the rotation member 15 and the heat dissipation pipe 6 are driven to reciprocate and lift along the axis direction while rotating.
In another embodiment of the present invention, the sliding fit portion includes a connecting member 12 fixed at a lower portion of the output shaft 11, sleeve members 13 symmetrically disposed at two sides of the output shaft 11 and fixed with the connecting member 12, and a sliding member 14 fixed on the rotating member 15 and slidably engaged with the sleeve members 13;
wherein, an elastic piece 16 elastically connected with the sleeve piece 13 is sleeved on the sliding piece 14;
when the output shaft 11 rotates, the connecting piece 12 and the sleeve piece 13 fixed on the two sides of the connecting piece 12 are driven to rotate, and the sleeve piece 13 drives the sliding piece 14 and the rotating piece 15 to rotate coaxially along with the output shaft 11.
In yet another embodiment of the present invention, the gear set includes a first bevel gear 17 fixed on the output shaft 11 and a second bevel gear 18 fixed on the driven shaft 19 and engaged with the first bevel gear 17;
in order to reduce the circumferential runout of the driven shaft 19, a shaft sleeve which is sleeved with the driven shaft 19 is fixed below the top part 1;
In a further embodiment of the present invention, the eccentric group comprises a rotating shaft 21 horizontally rotatably connected 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 engaging with the lower surface of the rotating member 15; the transmission piece 20 is connected with the rotating shaft 21;
in order to reduce the circumferential runout of the rotating shaft 21, a sleeve which is rotatably sleeved 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, the eccentric wheel 22 rotates, the eccentric wheel 22 drives the rotating part 15 to reciprocate up and down under the dual actions 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 the mounting part 9 can be reduced by the arrangement of the elastic part 16.
The foregoing is merely 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. But all changes which come within the scope of the invention are intended to be embraced therein.
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. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Claims (9)
1. A tree-shaped heat dissipation device for a sealed photovoltaic inverter, comprising:
the top piece (1) is used for being fixedly installed with the photovoltaic inverter shell; and
the heat dissipation mechanism is movably arranged below the top part (1) and is used for uniformly blowing air into the sealed photovoltaic inverter; and
the fan assembly is arranged above the top part (1), communicated with the heat dissipation mechanism and 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 and a lifting structure, wherein the rotating structure is used for driving the heat dissipation mechanism to rotate, and the lifting structure is used for driving the heat dissipation mechanism to move back and forth along the rotating axis of the heat dissipation mechanism.
2. The tree heatsink of claim 1, wherein the fan assembly comprises:
the fan shell (2) is fixed above the top part (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
the impeller (4) is rotatably arranged in the center of the inner part of the fan shell (2) through an impeller shaft; is used for matching with the fan shell (2); and
the motor (3) is installed in the center of the upper portion 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.
3. The tree heat sink for encapsulated pv inverters according to claim 2, wherein the heat sink mechanism comprises:
a housing (8), said housing (8) being mounted below said top piece (1) by means of a support assembly, the centre line of said housing (8) being in line with the axis of said impeller shaft; and
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, hermetically and slidably connected with the outlet of the air guide pipe (5), and the heat dissipation pipe (6) is used for accommodating fresh air discharged from the air guide pipe (5); and
the tree-shaped pipe group comprises a plurality of tree-shaped pipes (7) which are circumferentially and equidistantly fixed on the air guide pipe (5) in a penetrating manner, 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 arranged at equal intervals along the axial direction of the radiating pipe (6).
4. The tree heat sink for encapsulated pv inverters according to claim 3, wherein the support assembly comprises support members (10) symmetrically fixed on both sides under the top member (1) and a mounting member (9) fixed between the support members (10) on both sides;
evenly seted up a plurality of annular holes (23) on shell (8), shell (8) pass through the bolt fastening on installed part (9), and all seted up the confession on the roof of shell (8) and installed part (9) the sealed through-hole that slides and pass of cooling tube (6).
5. The tree heat sink for encapsulated pv inverters according to claim 4, wherein the rotating structure comprises an output shaft (11) passing through the top part (1) and connecting the ends of the impeller shafts and a rotating part (15) sliding coaxially with the output shaft (11) by means of a sliding fit;
the upper part of the radiating pipe (6) is fixed with the rotating part (15), and the output shaft (11) is connected with the top part (1) through a bearing.
6. The tree-type heat sink for encapsulated photovoltaic inverters as claimed in claim 5, wherein the lifting structures are two groups, symmetrically disposed on both sides of the output shaft (11), wherein the lifting structures comprise:
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 support part (10); and
an eccentric group connecting the driven shaft (19) and the rotating member (15), the eccentric group being rotatably disposed at a lower portion of the support member (10); and
a transmission (20), the transmission (12) connecting the eccentric set and the driven shaft (19).
7. The tree-type heat sink for encapsulated photovoltaic inverters according to claim 5, wherein the sliding-fit portion comprises a connecting member (12) fixed to a lower portion of the output shaft (11), sleeve members (13) symmetrically disposed on two sides of the output shaft (11) and fixed to the connecting member (12), and a sliding member (14) fixed to the rotating member (15) and slidably engaged with the sleeve members (13);
wherein an elastic member (16) elastically connected to the sleeve member (13) is fitted over the sliding member (14).
8. The tree heat sink for encapsulated photovoltaic inverters according to claim 6, wherein 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 engaged with the first bevel gear (17);
wherein, a shaft sleeve sleeved with the driven shaft (19) is fixed below the top part (1).
9. The tree type heat sink for encapsulated pv inverters according to claim 6, wherein the eccentric group comprises a rotating shaft (21) rotatably connected to the lower part of the supporting member (10) via a bearing and an eccentric (22) fixed to the end of the rotating shaft (21) and engaging with the lower surface of the rotating member (15); the transmission piece (20) is connected with the rotating shaft (21);
a sleeve which is rotatably sleeved with the rotating 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 |
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| 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 |
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| CN111464045A true CN111464045A (en) | 2020-07-28 |
| CN111464045B CN111464045B (en) | 2024-06-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112437576A (en) * | 2020-11-24 | 2021-03-02 | 张昌林 | Inverter heat dissipation device for photovoltaic power generation |
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