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CN-224218724-U - Efficient heat dissipation device of centralized inverter

CN224218724UCN 224218724 UCN224218724 UCN 224218724UCN-224218724-U

Abstract

The utility model discloses a high-efficiency heat dissipation device of a centralized inverter, and mainly relates to the field of heat dissipation of centralized inverters. Including setting up the louvre on the dc-to-ac converter box, be equipped with the filter screen that is used for covering the louvre on the inner wall of dc-to-ac converter box, along vertical sliding connection having the clearance frame on the inner wall of dc-to-ac converter box, be equipped with the intake pipe on the clearance frame, the outside of intake pipe rotates the cover and is equipped with the cover that rotates, be equipped with the clearance motor on the clearance frame, be equipped with a plurality of air vents in the intake pipe, be equipped with a plurality of air inlet channels on the inner wall of rotating the cover, the intercommunication is provided with a plurality of fumaroles on the air inlet channel, be equipped with the shower nozzle on the outer wall of rotating the cover, the region that is located between the adjacent shower nozzle on the outer wall of rotating the cover is equipped with the clearance brush, the clearance brush contacts with the filter screen. The utility model has the beneficial effects that the technical problem that the heat dissipation effect is affected due to the blockage of the filter screen of the existing centralized inverter can be solved, the filter screen at the heat dissipation hole can be cleaned rapidly and effectively, and the heat dissipation effect is improved.

Inventors

  • LI WENZHI
  • Bi Yunhe
  • ZHANG QIUYUAN
  • WANG CHENG

Assignees

  • 临洮县东莒太阳能科技有限责任公司
  • 水发能源集团有限公司

Dates

Publication Date
20260508
Application Date
20250530

Claims (7)

  1. 1. The efficient heat dissipation device of the centralized inverter comprises a heat dissipation hole (2) arranged on an inverter box body (1), and is characterized in that a fixing frame (3) is arranged on the inner wall of the inverter box body (1), a filter screen (4) used for covering the heat dissipation hole (2) is arranged in the fixing frame (3), a cleaning frame (5) is vertically and slidably connected on the inner wall of the inverter box body (1), an air inlet pipe (6) is arranged on the cleaning frame (5), a rotating sleeve (7) is arranged on the outer rotating sleeve of the air inlet pipe (6), a cleaning motor (8) used for driving the rotating sleeve (7) to rotate is arranged on the cleaning frame (5), a plurality of vent holes (9) are formed in the inner wall of the rotating sleeve (7), a plurality of air inlet channels (10) which are communicated with the vent holes (11) extending to the outer side wall of the rotating sleeve (7) are formed in a communicating mode, a plurality of air spraying holes (11) are formed in the outer wall of the rotating sleeve (7), a plurality of air spraying brushes (12) are arranged on the outer wall of the rotating sleeve (7) and are located in a communicating mode, and a cleaning brush (13) is located between the adjacent cleaning brushes (13).
  2. 2. The efficient heat dissipation device of the centralized inverter of claim 1, wherein the inner wall of the inverter box body (1) is provided with a guide groove (14), the cleaning frame (5) is vertically and slidably connected in the guide groove (14), and the guide groove (14) is provided with a power assembly for driving the cleaning frame (5) to slide.
  3. 3. The efficient heat dissipation device for the centralized inverter as set forth in claim 2, wherein the power assembly comprises a mobile motor (15), guide rods (16) and a screw rod (17), wherein the guide rods are arranged in parallel, the screw rod (17) is fixed on an output shaft of the mobile motor (15), the screw rod (17) penetrates through the cleaning frame (5) and is in threaded connection with the cleaning frame, and the guide rods (16) penetrate through the cleaning frame (5) and are in sliding connection with the cleaning frame.
  4. 4. The efficient heat dissipation device of the centralized inverter of claim 2, wherein an air supply hose (18) is communicated with the air inlet pipe (6), a vertical avoiding groove (19) is formed in the side wall of the guide groove (14), and the air supply hose (18) penetrates through the avoiding groove (19) and is communicated with the air inlet pipe (6).
  5. 5. The efficient heat dissipation device for the centralized inverter of claim 1, wherein the bottom of the heat dissipation hole (2) is obliquely arranged towards the outer side of the inverter box body (1).
  6. 6. The efficient heat dissipation device for a centralized inverter as set forth in claim 1, wherein a heat dissipation grid (20) is disposed inside the heat dissipation hole (2).
  7. 7. The efficient heat dissipation device for the centralized inverter of claim 1, wherein the rotating sleeve (7) and the output shaft of the cleaning motor (8) are respectively provided with a gear (21) meshed with each other.

Description

Efficient heat dissipation device of centralized inverter Technical Field The utility model relates to the field of heat dissipation of centralized inverters, in particular to a high-efficiency heat dissipation device of a centralized inverter. Background The centralized inverter is a structure which gathers multiple paths of strings on one inverter to perform direct current confluence and inversion, so that the centralized inverter is widely applied to large power stations on the ground with the advantages of low cost and high efficiency, and because components of the centralized inverter are integrated in the inverter box, special heat dissipation devices are required to be equipped to ensure normal operation of electronic elements, the existing heat dissipation structure is generally required to be provided with a plurality of heat dissipation holes on the inverter box, in order to prevent dust impurities and the like from entering the inside of the inverter box, a filter screen is required to be arranged at the heat dissipation holes, the filter screen at the heat dissipation holes of the existing heat dissipation structure is easily covered by the dust and other impurities after long-time use, the filter screen is blocked, so that the air inlet and outlet flow of the inverter box is greatly reduced, the efficiency is greatly reduced when the fan is used for ventilation and heat dissipation, and the whole heat dissipation effect of the centralized inverter after long-time use is influenced. Disclosure of utility model The utility model aims to provide a high-efficiency heat dissipation device of a centralized inverter, which can solve the technical problem that the heat dissipation effect is easily affected due to the blockage of a filter screen after the heat dissipation structure of the traditional centralized inverter is used for a long time, realize the rapid and effective cleaning of the filter screen at a heat dissipation hole, increase the air inlet and outlet flow at the heat dissipation hole and improve the heat dissipation effect. The utility model aims to achieve the aim, and the aim is achieved by the following technical scheme: The utility model provides a centralized inverter's high-efficient heat abstractor, includes the louvre that sets up on the dc-to-ac converter box, be equipped with fixed frame on the inner wall of dc-to-ac converter box, be equipped with the filter screen that is used for covering the louvre in the fixed frame, along vertical sliding connection having the clearance frame on the inner wall of dc-to-ac converter box, be equipped with the intake pipe on the clearance frame, the outside of intake pipe rotates the cover and is equipped with the cover that rotates, be equipped with the drive on the clearance frame and rotate cover pivoted cleaning motor, be equipped with a plurality of air vents in the intake pipe, be equipped with a plurality of inlet channels that rotate the intercommunication with the air vent on the inner wall of cover, be equipped with a plurality of shower nozzles that communicate with the air vent on the inlet channel, be located the region between the adjacent shower nozzle on the outer wall of rotation cover and be equipped with the clearance brush, the clearance brush contacts with the filter screen. Further, a guide groove is formed in the inner wall of the inverter box body, the cleaning frame is vertically connected in the guide groove in a sliding mode, and a power assembly for driving the cleaning frame to slide is arranged on the guide groove. Further, the power component comprises a mobile motor, a guide rod and a screw rod which are arranged in parallel, wherein the screw rod is fixed on an output shaft of the mobile motor, the screw rod penetrates through the cleaning frame and is in threaded connection with the cleaning frame, and the guide rod penetrates through the cleaning frame and is in sliding connection with the cleaning frame. Further, an air supply hose is arranged on the air inlet pipe in a communicating mode, a vertical avoiding groove is formed in the side wall of the guide groove, and the air supply hose is communicated with the air inlet pipe after penetrating through the avoiding groove. Further, the bottom of the heat dissipation hole is obliquely arranged towards the outer side of the inverter box body. Further, a heat radiation grille is arranged in the heat radiation hole. Further, the rotating sleeve and the output shaft of the cleaning motor are respectively provided with gears meshed with each other. Compared with the prior art, the utility model has the beneficial effects that: 1. The structure of the utility model comprises a cleaning frame which is vertically and slidingly connected to the inner wall of the inverter box body, wherein a rotating sleeve is rotationally connected to the cleaning frame, a cleaning brush is arranged on the rotating sleeve, and the cleaning brush is contacted with a filter screen at