CN213126966U

CN213126966U - Photovoltaic inverter heat abstractor

Info

Publication number: CN213126966U
Application number: CN202022594430.4U
Authority: CN
Inventors: 李用成; 李东祥; 宫毅涛; 李亚书; 倪振勇; 叶茂
Original assignee: Liaoning Hongcheng Power Supply Co ltd
Current assignee: Liaoning Hongcheng Power Supply Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-05-04
Anticipated expiration: 2030-11-11

Abstract

The utility model relates to the technical field of photovoltaic inverter production and manufacturing, and discloses a photovoltaic inverter heat dissipation device, which comprises a main body, a shielding cover, a heat dissipation component and a fixing component, wherein the outer walls of the left side and the right side of the main body are both fixedly provided with a fixing frame, the bottom of the main body is fixedly provided with an operating platform, the left side and the right side of the bottom of the shielding cover are both fixedly provided with a connecting rod, the inner wall of the shielding cover is fixedly provided with a dust screen, and a movably connected telescopic rod which is covered with a spring is arranged for a second buckle in the fixing component, so that the second buckle can be reset through the telescopic rod when a knob is loosened, the subsequent installation is convenient, the dust screen can be integrally detached and installed along with the shielding cover through the matching of various structures in the fixing component, and the shielding cover and the dust screen can be easily detached when more impurities and dust are covered, facilitating subsequent cleaning and cleaning.

Description

Photovoltaic inverter heat abstractor

Technical Field

The utility model relates to a photovoltaic inverter produces and makes technical field, specifically is a photovoltaic inverter heat abstractor.

Background

The photovoltaic inverter is an inverter capable of converting variable direct-current voltage generated by a photovoltaic solar panel into alternating current with commercial power frequency, can be fed back to a commercial power transmission system or used for an off-grid power grid, is one of important system balances in a photovoltaic array system, and can be used together with common alternating-current power supply equipment.

In the starting operation process of the photovoltaic inverter, a large amount of heat is generated inside equipment, so that the heat dissipation device required to be used cools and protects internal components, and a heat dissipation port in the traditional heat dissipation device is usually exposed outside, so that external dust is easily drawn into the equipment along with the rotation of an internal cooling fan, the service life of the equipment is influenced, and the problem is solved by the heat dissipation device of the photovoltaic inverter.

SUMMERY OF THE UTILITY MODEL

For the inside purpose of realizing above-mentioned dust entering equipment that prevents, the utility model provides a following technical scheme: the utility model provides a photovoltaic inverter heat abstractor, includes the main part, shelters from lid, radiator unit and fixed subassembly, the equal fixed mounting of the left and right sides outer wall of main part has the mount, the bottom fixed mounting of main part has the operation panel, the equal fixed mounting in the bottom left and right sides of sheltering from the lid has the connecting rod, the inner wall fixed mounting who shelters from the lid has the dust screen.

As an optimization, the heat dissipation assembly comprises an air pipe, a support rod is fixedly mounted on the inner wall of the air pipe, a driving motor is fixedly mounted at the top of the support rod, and a fan is fixedly mounted on an output shaft of the driving motor.

As optimization, fixed subassembly is including supporting the shell, the positive outer wall swing joint of support shell has the knob, the bottom inner wall right side fixed mounting of support shell has supporting spring, supporting spring's top swing joint has first buckle, the left side outer wall swing joint of first buckle has the second buckle, the positive fixed mounting in bottom of second buckle has the movable rod, the outer wall swing joint of movable rod has the stopper, the bottom fixed mounting of stopper has the base, the left side outer wall fixed mounting of second buckle has the pivot, the inner wall swing joint of pivot has the telescopic link.

As optimization, shelter from the bottom of lid and the top swing joint of tuber pipe, the bracing piece comprises four connecting rods and a connecting block, the back of the body one side of carrying on the back of the body of four connecting rods and the inner wall fixed connection of tuber pipe, the top of connecting block and driving motor's bottom fixed connection, the bottom of tuber pipe run through the top of main part and with the inner wall fixed connection of main part for driving motor can be more stable fixed at the inner wall of tuber pipe with the fan.

As an optimization, the top of the supporting shell is provided with a slotted hole, and the top of the first buckle penetrates through the slotted hole to be fixedly connected with the bottom of the connecting rod, so that the first buckle can extend to the inside of the supporting shell, and the dismounting and the mounting are convenient.

As optimization, the front of movable rod run through the front of support shell and with the back fixed connection of knob, the outer wall swing joint of telescopic link has the spring for can control the movable rod when wrench movement knob and rotate, the activity of further control second buckle, the telescopic link that covers the spring also makes the extension of second buckle accessible telescopic link reset when not hard up the knob.

As optimization, the quantity of fixed subassembly is two, two relative one sides that support the shell in two fixed subassemblies respectively with the left and right sides fixed connection of tuber pipe, the quantity of pivot is two in every fixed subassembly, the right side of one of them pivot and the left side fixed connection of second buckle, the bottom of another pivot and the inner wall fixed connection who supports the shell, two pivots can make when the second buckle rotates, the telescopic link also can rotate along with the pivot and from not influencing the shrink of telescopic link.

The utility model has the advantages that: inner wall fixed mounting shelters from the lid can effectually play the effect of isolated dust and impurity at a dust screen, prevent to be drawn into the inside influence machine life of dc-to-ac converter with outside dust impurity when the fan rotates, it has the telescopic link that has the spring to cover for second buckle sets up swing joint in the fixed subassembly, make when not hard up knob, can reset the second buckle through the telescopic link, thereby make things convenient for subsequent installation, cooperation through each structure in the fixed subassembly, it can dismantle and install along with sheltering from the lid wholly to have realized the dust screen, thereby made things convenient for when the dust screen surface covers to have can relax will shelter from lid and dust screen to demolish down, subsequent washing and cleanness of being convenient for.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the shielding cover structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

in the figure: 1. a main body; 2. a fixed mount; 3. an operation table; 4. a shielding cover; 40. a heat dissipating component; 41. an air duct; 42. a support bar; 43. a drive motor; 44. a fan; 5. a connecting rod; 500. a fixing assembly; 501. a support housing; 502. a knob; 503. a support spring; 504. a first buckle; 505. a second buckle; 506. a movable rod; 507. a limiting block; 508. a base; 509. a rotating shaft; 510. a telescopic rod; 6. a dust screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a heat dissipation device for a photovoltaic inverter includes a main body 1, a shielding cover 4, a heat dissipation assembly 40 and a fixing assembly 500, wherein fixing frames 2 are fixedly installed on outer walls of left and right sides of the main body 1, an operation console 3 is fixedly installed at the bottom of the main body 1, connecting rods 5 are fixedly installed on left and right sides of the bottom of the shielding cover 4, and a dust screen 6 is fixedly installed on an inner wall of the shielding cover 4.

Referring to fig. 2, the heat dissipation assembly 40 includes an air duct 41, a support rod 42 is fixedly mounted on an inner wall of the air duct 41, a driving motor 43 is fixedly mounted on a top of the support rod 42, and a fan 44 is fixedly mounted on an output shaft of the driving motor 43.

Referring to fig. 1 and 3, the fixing assembly 500 includes a supporting shell 501, a knob 502 is movably connected to an outer wall of a front side of the supporting shell 501, a supporting spring 503 is fixedly installed on a right side of an inner wall of a bottom of the supporting shell 501, a first buckle 504 is movably connected to a top of the supporting spring 503, a second buckle 505 is movably connected to an outer wall of a left side of the first buckle 504, a movable rod 506 is fixedly installed on a front side of a bottom of the second buckle 505, a limit block 507 is movably connected to an outer wall of the movable rod 506, a base 508 is fixedly installed at a bottom of the limit block 507, a rotating shaft 509 is fixedly installed on an outer wall of a left side of the second buckle.

Referring to fig. 2, the bottom of the shielding cover 4 is movably connected to the top of the air duct 41, the supporting rod 42 is composed of four connecting rods and a connecting block, the opposite sides of the four connecting rods are fixedly connected to the inner wall of the air duct 41, the top of the connecting block is fixedly connected to the bottom of the driving motor 43, and the bottom of the air duct 41 penetrates through the top of the main body 1 and is fixedly connected to the inner wall of the main body 1, so that the driving motor 43 and the fan 44 can be more stably fixed to the inner wall of the air duct 41.

Referring to fig. 3, a slot is formed at the top of the supporting shell 501, and the top of the first buckle 504 passes through the slot to be fixedly connected with the bottom of the connecting rod 5, so that the first buckle 504 can extend into the supporting shell 501, and is convenient to detach and install.

Referring to fig. 1 and 3, a front surface of the movable rod 506 penetrates through a front surface of the supporting housing 501 and is fixedly connected to a back surface of the knob 502, a spring is movably connected to an outer wall of the telescopic rod 510, so that when the knob 502 is twisted, the movable rod 506 can be controlled to rotate, the movement of the second buckle 505 is further controlled, and when the knob 502 is loosened, the telescopic rod 510 covered with the spring also enables the second buckle 505 to be reset by the extension of the telescopic rod 510.

Referring to fig. 3, the number of the fixing assemblies 500 is two, opposite sides of two supporting shells 501 in the two fixing assemblies 500 are respectively and fixedly connected to left and right sides of the air duct 41, the number of the rotating shafts 509 in each fixing assembly 500 is two, a right side of one rotating shaft 509 is fixedly connected to a left side of the second buckle 505, a bottom of the other rotating shaft 509 is fixedly connected to an inner wall of the supporting shell 501, and the two rotating shafts 509 enable the telescopic rod 510 to rotate along with the rotating shafts 509 when the second buckle 505 rotates, so that the contraction of the telescopic rod 510 is not affected.

In use, referring to fig. 1-3, when the circuit is connected and the entire pv inverter is started to operate, the driving motor 43 is also started and drives the fan 44 to rotate, so that the inner wall of the air duct 41 enters the main body 1 along with the inner wall of the air duct 41 through the rotation of the fan 44 to cool the entire pv inverter, when the pv inverter is used for a long time, a large amount of dust and impurities are accumulated on the inner wall of the shielding cover 4 due to the continuous operation of the fan 44, which affects the heat dissipation efficiency, at this time, the user only needs to rotate the two knobs 502 of the two fixing assemblies 500 in opposite directions to rotate the two second fasteners 505 around the axes of the two limiting blocks 507, respectively, when the two second fasteners 505 lose the limiting force on the two first fasteners 504 after rotating to a certain position, so that the two supporting springs 503 recover the elastic force, the two supporting springs 503 begin to extend and finally push the two first fasteners 504 to move upwards, finally, the two first buckles 504 are pushed out of the two supporting shells 501, so that the disassembling operation of the shielding cover 4 is completed, a user can clean dust on the dustproof net 6 on the inner wall of the disassembled shielding cover 4, and after the cleaning operation is completed, the two first buckles 504 are directly aligned to slotted holes in the tops of the two supporting shells 501, and the shielding cover 4 is pressed, so that the shielding cover 4 can be fixed on the top of the air pipe 41 again.

To sum up, when the circuit is connected and the entire pv inverter is started to operate, the driving motor 43 is also started and drives the fan 44 to rotate, so that the inner wall of the air duct 41 enters the main body 1 along with the inner wall of the air duct 41 through the rotation of the fan 44 to dissipate heat and cool the entire pv inverter, when the pv inverter is used for a long time, a large amount of dust and impurities are accumulated on the inner wall of the shielding cover 4 due to the continuous operation of the fan 44, which affects the heat dissipation efficiency, at this time, a user only needs to rotate the two knobs 502 in the two fixing assemblies 500 in opposite directions to rotate the two second fasteners 505 around the axes of the two stoppers 507, respectively, when the pv inverter is rotated to a certain position, the two second fasteners 505 lose the restriction force on the two first fasteners 504, so that the two supporting springs 503 recover the elastic force, the two supporting springs 503 start to extend and finally push the two first fasteners 504 to move, finally, the two first buckles 504 are pushed out of the two supporting shells 501, so that the disassembling operation of the shielding cover 4 is completed, a user can clean dust on the dustproof net 6 on the inner wall of the disassembled shielding cover 4, and after the cleaning operation is completed, the two first buckles 504 are directly aligned to slotted holes in the tops of the two supporting shells 501, and the shielding cover 4 is pressed, so that the shielding cover 4 can be fixed on the top of the air pipe 41 again.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a photovoltaic inverter heat abstractor, includes main part (1), shielding cover (4), radiator unit (40) and fixed subassembly (500), its characterized in that: the utility model discloses a dustproof cover for the automobile, including main part (1), the equal fixed mounting of the left and right sides outer wall of main part (1) has mount (2), the bottom fixed mounting of main part (1) has operation panel (3), the equal fixed mounting of the bottom left and right sides that shelters from lid (4) has connecting rod (5), the inner wall fixed mounting that shelters from lid (4) has dust screen (6).

2. The pv inverter heat sink of claim 1, wherein: radiator unit (40) includes tuber pipe (41), the inner wall fixed mounting of tuber pipe (41) has bracing piece (42), the top fixed mounting of bracing piece (42) has driving motor (43), the output shaft fixed mounting of driving motor (43) has fan (44).

3. The pv inverter heat sink of claim 1, wherein: fixed subassembly (500) is including supporting shell (501), the front outer wall swing joint of supporting shell (501) has knob (502), the bottom inner wall right side fixed mounting of supporting shell (501) has supporting spring (503), the top swing joint of supporting spring (503) has first buckle (504), the left side outer wall swing joint of first buckle (504) has second buckle (505), the positive fixed mounting in bottom of second buckle (505) has movable rod (506), the outer wall swing joint of movable rod (506) has stopper (507), the bottom fixed mounting of stopper (507) has base (508), the left side outer wall fixed mounting of second buckle (505) has pivot (509), the inner wall swing joint of pivot (509) has telescopic link (510).

4. The pv inverter heat sink of claim 2, wherein: shelter from the bottom of lid (4) and the top swing joint of tuber pipe (41), bracing piece (42) comprise four connecting rods and a connecting block, the inside wall fixed connection of the back of the body one side of carrying on the back of the body and tuber pipe (41) of four connecting rods, the top of connecting block and the bottom fixed connection of driving motor (43), the bottom of tuber pipe (41) run through the top of main part (1) and with the inner wall fixed connection of main part (1).

5. The pv inverter heat sink of claim 3, wherein: the top of the supporting shell (501) is provided with a slotted hole, and the top of the first buckle (504) penetrates through the slotted hole to be fixedly connected with the bottom of the connecting rod (5).

6. The pv inverter heat sink of claim 5, wherein: the front surface of the movable rod (506) penetrates through the front surface of the supporting shell (501) and is fixedly connected with the back surface of the knob (502), and the outer wall of the telescopic rod (510) is movably connected with a spring.

7. The pv inverter heat sink of claim 6, wherein: the quantity of fixed subassembly (500) is two, two relative one sides that support shell (501) in two fixed subassemblies (500) respectively with the left and right sides fixed connection of tuber pipe (41), the quantity of pivot (509) is two in every fixed subassembly (500), the right side of one of them pivot (509) and the left side fixed connection of second buckle (505), the bottom of another pivot (509) and the inner wall fixed connection that supports shell (501).