CN215256902U

CN215256902U - Photovoltaic is pressure boost radiator fan for inverter

Info

Publication number: CN215256902U
Application number: CN202121025506.XU
Authority: CN
Inventors: 谌德平
Original assignee: Shenzhen Wotianfeng Technology Co ltd
Current assignee: Shenzhen Wotianfeng Technology Co ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-12-21
Anticipated expiration: 2031-05-13

Abstract

The utility model discloses a photovoltaic is pressure boost radiator fan for inverter relates to radiator fan technical field. Including the overcoat, install the endotheca through buffer gear between the overcoat inner wall, install the motor through first mounting bracket between the inner wall of endotheca, fixed mounting has first flabellum on the output shaft of motor, the radome fairing is installed through first fixed establishment to the lower surface of endotheca, be close to the downside between the inner wall of radome fairing and be provided with the filter screen, evenly inlay along circumference on the radome fairing inner wall of filter screen upside and be equipped with the refrigeration piece, fixed mounting has waterproof ventilated membrane between the refrigeration piece upside radome fairing inner wall. The utility model discloses increase this radiator fan's dustproof and water-proof effects, avoid dust and aqueous vapor to get into, improve the life of radiator fan and dc-to-ac converter, the radiating effect is better simultaneously, improves this radiator fan's pressure, makes the wind speed faster, improves the radiating efficiency, convenient to use.

Description

Photovoltaic is pressure boost radiator fan for inverter

Technical Field

The utility model relates to a radiator fan technical field specifically is a pressure boost radiator fan for photovoltaic inverter.

Background

The inverter is a power adjusting device composed of semiconductor devices, is mainly used for converting direct current power into alternating current power, and generally comprises a boosting circuit and an inverting bridge circuit, wherein the boosting circuit boosts direct current voltage of a solar battery to direct current voltage required by output control of the inverter; the inverter bridge type loop converts the boosted direct-current voltage into alternating-current voltage with common frequency equivalently, the general inverter is arranged in a cabinet shape, various inverter components are installed in the cabinet body, an air inlet and an air outlet are formed in the cabinet body, the heating source of the photovoltaic inverter is a power component IGBT power device in the cabinet, a heat radiation fan is generally arranged in the cabinet body in the heat radiation mode of the traditional photovoltaic inverter, and the heat radiation fan for the existing photovoltaic inverter has the following problems when in use:

1. in the prior art, a cooling fan does not have dustproof and waterproof effects, so that a large amount of dust is adhered to fan blades of the cooling fan or enters an inverter, meanwhile, the service lives of the cooling fan and the inverter are shortened by water vapor, and the cooling effect is poor;

2. in the prior art, the flow rate of the cooling fan is small, and cooling air cannot effectively enter the inverter cabinet body, so that the cooling effect cannot meet the use requirement.

SUMMERY OF THE UTILITY MODEL

The utility model provides a photovoltaic is pressure boost radiator fan for inverter possesses dustproof and the water-proof effects who increases this radiator fan, and the radiating effect is better, makes the wind speed faster, improves the advantage of radiating efficiency to solve radiator fan and do not possess dustproof and water-proof effects, reduce the life of radiator fan and dc-to-ac converter, the velocity of flow is less, and the radiating effect can not reach operation requirement's problem.

For the dustproof and water-proof effects that realize increasing this radiator fan, the radiating effect is better, makes the wind speed faster, improves the purpose of radiating efficiency, the utility model provides a following technical scheme: a supercharging heat dissipation fan for a photovoltaic inverter comprises an outer sleeve, wherein the upper side face and the lower side face of the outer sleeve are both of an opening structure, an inner sleeve is installed between the inner walls of the outer sleeve through a buffering mechanism, a motor is installed between the inner walls of the inner sleeve through a first mounting frame, first fan blades are fixedly installed on an output shaft of the motor, a fairing is installed on the lower surface of the inner sleeve through a first fixing mechanism, a filter screen is arranged between the inner walls of the fairings close to the lower side, refrigerating sheets are evenly embedded on the inner walls of the fairings on the upper side of the filter screen along the circumferential direction, a waterproof breathable film is fixedly installed between the inner walls of the fairings on the upper side of the refrigerating sheets, a flow guide cover is installed on the upper surface of the inner sleeve through a second fixing mechanism, a bearing sleeve is installed between the inner walls of the flow guide cover through a second mounting frame, a rotating shaft is fixedly installed in the bearing sleeve, and six inner holes are formed in the upper surface of the middle part of the first fan blades corresponding to the rotating shaft, and the rotating shaft is inserted in the six inner holes, and a second fan blade is fixedly arranged on the rotating shaft close to the upper side.

As a preferred technical scheme of the utility model, the surface of overcoat is close to the equal fixed mounting of upper and lower border position and has the mounting panel, equal fixed mounting has the shock pad on the mounting panel, the mounting panel is the rectangle with the four corners on the shock pad and has seted up the mounting hole.

As a preferred technical scheme of the utility model, buffer gear includes screw hole, shank of bolt, a screw thread section of thick bamboo and spring, set up threaded hole on the overcoat, the shank of bolt is installed to the screw hole internal thread, and the shank of bolt is located the overcoat internal thread and installs a screw thread section of thick bamboo, a screw thread section of thick bamboo passes through spring and endotheca surface fixed connection.

As a preferred technical scheme of the utility model, first fixed establishment includes fixed block and locking bolt, the surface of endotheca is close to the downside position and all is provided with the fixed block with the radome fairing surface near upside position, it is fixed through locking bolt locking between the fixed block, second fixed establishment is the same with first fixed establishment structure.

As an optimized technical scheme of the utility model, the radome fairing is the toper structure of opening gradual increase downwards with the kuppe.

As an optimized technical proposal of the utility model, the diameter of the second fan blade is less than the diameter of the first fan blade by 0.8cm-1.2 cm.

As an optimized technical scheme of the utility model, first mounting bracket and second mounting bracket are rice word structure.

Compared with the prior art, the utility model provides a photovoltaic is pressure boost radiator fan for inverter possesses following beneficial effect:

1. this pressure boost radiator fan for photovoltaic inverter through setting up filter screen and waterproof ventilated membrane, increases this radiator fan's dustproof and water-proof effects, avoids dust and aqueous vapor to pass through this radiator fan and gets into the dc-to-ac converter cabinet body in, makes dust and aqueous vapor can not lead to the fact the erosion to radiator fan and dc-to-ac converter, improves the life of radiator fan and dc-to-ac converter, and the piece that refrigerates simultaneously can cool down the air that gets into, makes the radiating effect better.

2. This pressure boost radiator fan for photovoltaic inverter increases the air inlet area through setting up the radome fairing, and the radome fairing reduces air-out area, and the second flabellum improves this fan heater's wind speed simultaneously, reaches the effect that improves this radiator fan's air-out pressure, makes the wind speed faster, improves the radiating efficiency, convenient to use.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an enlarged view of a point a in fig. 2 according to the present invention;

fig. 4 is an enlarged view of the position B in fig. 2 according to the present invention.

In the figure: 1. a jacket; 2. a buffer mechanism; 201. a threaded hole; 202. a bolt shank; 203. a threaded barrel; 204. a spring; 3. an inner sleeve; 4. a first mounting bracket; 5. a motor; 6. a first fan blade; 7. a first fixing mechanism; 701. a fixed block; 702. locking the bolt; 8. a cowling; 9. a filter screen; 10. a refrigeration plate; 11. a waterproof breathable film; 12. a second fixing mechanism; 13. a pod; 14. a second mounting bracket; 15. a bearing housing; 16. a rotating shaft; 17. six holes are arranged inside; 18. a second fan blade; 19. mounting a plate; 20. a shock pad; 21. and (7) installing holes.

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. 1-4, the utility model discloses a boosting radiator fan for a photovoltaic inverter, which comprises an outer sleeve 1, wherein the upper and lower sides of the outer sleeve 1 are both open structures, an inner sleeve 3 is installed between the inner walls of the outer sleeve 1 through a buffer mechanism 2, a motor 5 is installed between the inner walls of the inner sleeve 3 through a first mounting frame 4, a first fan blade 6 is fixedly installed on the output shaft of the motor 5, a fairing 8 is installed on the lower surface of the inner sleeve 3 through a first fixing mechanism 7, a filter screen 9 is arranged between the inner walls of the fairing 8 near the lower side, a refrigerating sheet 10 is evenly embedded on the inner wall of the fairing 8 on the upper side of the filter screen 9 along the circumferential direction, a waterproof breathable film 11 is fixedly installed between the inner walls of the fairing 8 on the upper side of the refrigerating sheet 10, and a deflector 13 is installed on the upper surface of the inner sleeve 3 through a second fixing mechanism 12, install bearing housing 15 through second mounting bracket 14 between the kuppe 13 inner wall, fixed mounting has pivot 16 in the bearing housing 15, six holes 17 in corresponding first flabellum 6 middle part upper surface of pivot 16 has been seted up, and pivot 16 inserts and locates in six holes 17, be close to upside position fixed mounting in the pivot 16 and have second flabellum 18.

Specifically, the surface of overcoat 1 is close to the equal fixed mounting in upper and lower marginal position and has mounting panel 19, equal fixed mounting has shock pad 20 on the mounting panel 19, the four corners is the rectangle on mounting panel 19 and the shock pad 20 and has seted up mounting hole 21.

In this embodiment, the mounting holes 21 on the mounting plate 19 facilitate the mounting of the outer cover 1, i.e. the mounting of the cooling fan, and the vibration of the cooling fan is reduced by the shock-absorbing pad 20.

Specifically, the buffer mechanism 2 includes a threaded hole 201, a bolt bar 202, a threaded cylinder 203 and a spring 204, the threaded hole 201 is opened on the outer sleeve 1, the bolt bar 202 is installed in the threaded hole 201, the bolt bar 202 is located in the outer sleeve 1, the threaded cylinder 203 is installed in the threaded hole, and the threaded cylinder 203 is fixedly connected with the outer surface of the inner sleeve 3 through the spring 204.

In this embodiment, the bolt bar 202 is installed in the threaded cylinder 203 through the threaded hole 201, and is convenient to install the inner sleeve 3, so that the inner sleeve 3 has a certain buffering function, and the inner sleeve 3 is convenient to disassemble and assemble, thereby facilitating later-stage maintenance.

Specifically, the first fixing mechanism 7 includes a fixing block 701 and a locking bolt 702, the fixing block 701 is provided at a position on the outer surface of the inner sleeve 3 close to the lower side and at a position on the outer surface of the cowling 8 close to the upper side, the fixing blocks 701 are locked and fixed by the locking bolt 702, and the second fixing mechanism 12 has the same structure as the first fixing mechanism 7.

In this embodiment, the locking bolt 702 mounts the upper and lower fixing blocks 701 together, so as to facilitate the detachment and installation of the cowling 8, and similarly, the second fixing mechanism 12 facilitates the detachment and installation of the inner sleeve 3 and the cowling 13.

Specifically, the fairing 8 and the air guide sleeve 13 are both of a conical structure with a downward opening gradually increasing.

In this embodiment, the inlet air area can be increased with fairing 13 to fairing 8, reduces the air-out area, improves air-out pressure, and the radiating effect is better.

Specifically, the diameter of the second fan blade 18 is smaller than the diameter of the first fan blade 6 by 0.8cm-1.2 cm.

In this embodiment, the second fan blade 18 can further increase the blowing air flow rate of the first fan blade 6.

Specifically, the first mounting frame 4 and the second mounting frame 14 are both in a structure like a Chinese character mi.

In this embodiment, the first mounting frame 4 and the second mounting frame 14 are structurally firm and are stably mounted.

The utility model discloses a theory of operation and use flow: when in use, the outer sleeve 1 is arranged on the air inlet of the inverter cabinet body through the mounting hole 21 on the mounting plate 19, the first fan blade 6 is driven to rotate by the motor 5, so that the external air enters through the fairing 8, and then the dust and the water-proof breathable film 11 are prevented from entering the inverter cabinet body through the cooling fan, so that the dust and the moisture can not erode the motor 5 and the inverter, the service life of the cooling fan and the inverter is prolonged, meanwhile, the cooling sheet 10 can cool the entering air, the heat dissipation effect is better, the air inlet area is increased through the fairing 8, meanwhile, the first fan blade 6 drives the second fan blade 18 to rotate through the rotating shaft 16, the second fan blade 18 further improves the air speed of the hot air fan, the effect of improving the air outlet pressure of the cooling fan is achieved, the air speed is faster, the heat dissipation efficiency is improved, and the use is convenient, simultaneously kuppe 13 reduces the air-out area, makes the pressure boost effect better, makes the radiating effect better promptly, and shank of bolt 202 installs in threaded cylinder 203 through screw hole 201 in buffer gear 2, conveniently installs endotheca 3, makes endotheca 3 have certain buffer function, conveniently carries out the dismouting to endotheca 3 simultaneously, makes things convenient for the later stage to overhaul motor 5, makes motor 5 can drive the vibration of filter screen 9 in the radome fairing 8 simultaneously, reduces the dust and is infected with.

To sum up, this photovoltaic is pressure boost radiator fan for inverter increases this radiator fan's dustproof and water-proof effects, avoids dust and aqueous vapor to get into, improves radiator fan and dc-to-ac converter's life, and the radiating effect is better simultaneously, improves this radiator fan's pressure, makes the wind speed faster, improves the radiating efficiency, convenient to use.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

1. The utility model provides a photovoltaic is pressure boost radiator fan for inverter, includes overcoat (1), its characterized in that: the upper and lower side of overcoat (1) is open structure, install endotheca (3) through buffer gear (2) between overcoat (1) the inner wall, install motor (5) through first mounting bracket (4) between the inner wall of endotheca (3), fixed mounting has first flabellum (6) on the output shaft of motor (5), radome fairing (8) is installed through first fixed establishment (7) to the lower surface of endotheca (3), it is provided with filter screen (9) to be close to the downside between the inner wall of radome fairing (8), evenly inlay along circumference on radome fairing (8) inner wall of filter screen (9) upside and be equipped with refrigeration piece (10), fixed mounting has waterproof ventilated membrane (11) between radome fairing (8) inner wall on refrigeration piece (10) upside, kuppe (13) are installed through second fixed establishment (12) to the upper surface of endotheca (3), install bearing housing (15) through second mounting bracket (14) between kuppe (13) inner wall, fixed mounting has pivot (16) in bearing housing (15), six holes (17) in corresponding first flabellum (6) middle part upper surface of pivot (16) has been seted up, and pivot (16) insert locate six holes (17) in, be close to upside position fixed mounting in pivot (16) and have second flabellum (18).

2. The supercharging heat dissipation fan for the photovoltaic inverter according to claim 1, wherein: the surface of overcoat (1) is close to the equal fixed mounting in last lower limb position and has mounting panel (19), equal fixed mounting has shock pad (20) on mounting panel (19), mounting panel (19) and shock pad (20) are gone up the four corners and are the rectangle and have seted up mounting hole (21).

3. The supercharging heat dissipation fan for the photovoltaic inverter according to claim 1, wherein: buffer gear (2) are including screw hole (201), shank of bolt (202), a screw thread section of thick bamboo (203) and spring (204), set up screw hole (201) on overcoat (1), shank of bolt (202) is installed to screw hole (201) internal thread, and shank of bolt (202) is located overcoat (1) internal thread and installs a screw thread section of thick bamboo (203), a screw thread section of thick bamboo (203) is through spring (204) and endotheca (3) fixed surface connection.

4. The supercharging heat dissipation fan for the photovoltaic inverter according to claim 1, wherein: first fixed establishment (7) are including fixed block (701) and locking bolt (702), the surface of endotheca (3) is close to downside position and radome fairing (8) surface and is close to upside position and all is provided with fixed block (701), it is fixed through locking bolt (702) locking between fixed block (701), second fixed establishment (12) are the same with first fixed establishment (7) structure.

5. The supercharging heat dissipation fan for the photovoltaic inverter according to claim 1, wherein: the fairing (8) and the flow guide sleeve (13) are both of conical structures with downward openings and gradually increased.

6. The supercharging heat dissipation fan for the photovoltaic inverter according to claim 1, wherein: the diameter of the second fan blade (18) is 0.8cm-1.2cm smaller than that of the first fan blade (6).

7. The supercharging heat dissipation fan for the photovoltaic inverter according to claim 1, wherein: the first mounting rack (4) and the second mounting rack (14) are of a structure shaped like a Chinese character 'mi'.