WO2022161542A2 - Dispositif de dissipation de chaleur et d'évacuation d'air d'armoire de distribution d'énergie - Google Patents

Dispositif de dissipation de chaleur et d'évacuation d'air d'armoire de distribution d'énergie Download PDF

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Publication number
WO2022161542A2
WO2022161542A2 PCT/CN2022/093419 CN2022093419W WO2022161542A2 WO 2022161542 A2 WO2022161542 A2 WO 2022161542A2 CN 2022093419 W CN2022093419 W CN 2022093419W WO 2022161542 A2 WO2022161542 A2 WO 2022161542A2
Authority
WO
WIPO (PCT)
Prior art keywords
power distribution
distribution cabinet
noise reduction
heat dissipation
air
Prior art date
Application number
PCT/CN2022/093419
Other languages
English (en)
Chinese (zh)
Other versions
WO2022161542A3 (fr
Inventor
周皓
Original Assignee
苏州迈创信息技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 苏州迈创信息技术有限公司 filed Critical 苏州迈创信息技术有限公司
Publication of WO2022161542A2 publication Critical patent/WO2022161542A2/fr
Publication of WO2022161542A3 publication Critical patent/WO2022161542A3/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56—Cooling; Ventilation
    • H02B1/565—Cooling; Ventilation for cabinets
    • 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
    • H05K7/20536—Modifications to facilitate cooling, ventilating, or heating for racks or cabinets of standardised dimensions, e.g. electronic racks for aircraft or telecommunication equipment
    • H05K7/20554—Forced ventilation of a gaseous coolant
    • H05K7/20572—Forced ventilation of a gaseous coolant within cabinets for removing heat from sub-racks, e.g. plenum
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/306—Accessories, e.g. windows
    • 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
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

Definitions

  • the invention belongs to the technical field of electromechanical equipment, and in particular relates to a heat dissipation and exhaust device for a power distribution cabinet.
  • Power distribution cabinets are divided into power distribution cabinets, lighting distribution cabinets, and metering cabinets, which are the final equipment of the power distribution system.
  • Power distribution cabinet is a general term for motor control center.
  • the motor control center is used for occasions where the load is concentrated and there are many circuits.
  • cooling holes are arranged in the shell of the power distribution cabinet, and cooling fans are installed inside for heat dissipation, so as to dissipate the heat in the power distribution cabinet.
  • the existing heat dissipation components inside the power distribution cabinet will generate noise during operation;
  • the main technical problem to be solved by the present invention is to provide a heat dissipation and air exhaust device for a power distribution cabinet, which can well reduce the noise generated during the heat dissipation of the exhaust fan, thereby effectively improving the stability of the electrical appliances in the power distribution cabinet during operation.
  • the present invention includes a main body of a power distribution cabinet, and is characterized in that: the bottom of the main body of the power distribution cabinet is provided with a ventilation hole, the ventilation hole is connected with an air inlet duct, and an air inlet noise reduction structure is arranged in the air inlet duct, and the air inlet noise reduction structure is arranged in the air inlet duct.
  • a fan fixing frame is fixed on the bottom plate of the main body of the power distribution cabinet, and an exhaust fan is detachably installed in the fan fixing frame, the exhaust fan is coaxial with the ventilation hole, the wind direction of the exhaust fan is upward, and the fan is fixed
  • the top of the rack is equipped with an exhaust and noise reduction structure;
  • the air exhaust and noise reduction structure includes a mounting frame and a deflector, a plurality of groups of the deflector are evenly spaced along the length direction of the mounting frame, and the deflector and the mounting frame are detachably connected ;
  • a plurality of air outlet areas are arranged on the side wall of the main body of the power distribution cabinet.
  • the air inlet noise reduction structure includes a pipe body and a noise reduction pipe, the pipe body and the noise reduction pipe are both hollow tubular structures, and the pipe body is sleeved on the outside of the noise reduction pipe , a distribution plate is evenly distributed in the circumferential direction between the main body of the pipeline and the noise reduction pipe, and a spiral cavity wall is arranged in the noise reduction pipe.
  • two sides of the deflector are provided with mounting bars, one side of the mounting bars is provided with a positioning column, and the inner side wall of the mounting frame is provided with a positioning groove matched with the positioning column.
  • the guide plate includes guide holes formed with uniform distribution.
  • the air outlet area is composed of a plurality of heat dissipation holes.
  • the top of the fan fixing frame is provided with a fixing column matching the mounting hole of the exhaust fan.
  • the air inlet duct When the exhaust fan is working, by setting the air inlet duct, the air enters from the air inlet duct. Since the air inlet duct has an air intake noise reduction structure, the double-layer design of the duct can play a good sound insulation effect, and the deflector can not only play a guiding role It can also effectively reduce the noise during ventilation, and the same is true for the spiral cavity wall, which can well reduce the noise generated in the pipeline during gas circulation;
  • the deflector plate installed in the installation frame is disassembled, the deflector plate is inclined and arranged to effectively facilitate the guiding and buffering of the gas, and the evenly arranged diversion holes on the deflector plate can improve the uniformity of the air outlet. Thereby reducing the noise generated by the gas circulation;
  • the design of the present invention can well reduce the noise generated by the exhaust fan during heat dissipation.
  • the deflector is detachably installed, which is convenient for regular cleaning, thereby effectively improving the stability of the electrical appliances in the power distribution cabinet when working.
  • Fig. 1 is the overall structure schematic diagram of the present invention
  • FIG. 2 is a schematic structural diagram of the main body of the power distribution cabinet of the present invention.
  • Fig. 3 is the overall structure schematic diagram (exploded view) of the present invention.
  • Fig. 4 is the schematic diagram of the exhaust air noise reduction structure of the present invention.
  • Fig. 5 is the structural representation of the mounting frame of the present invention.
  • Fig. 6 is the structural representation of the deflector of the present invention.
  • Fig. 7 is the structural representation of the air inlet duct of the present invention.
  • Fig. 8 is the structural representation of the fan holder of the present invention.
  • Power distribution cabinet body 1, ventilation holes 11, air outlet area 12, bottom plate 13, air inlet duct 2, duct body 21, noise reduction duct 22, manifold 23, spiral cavity wall 24, fan fixing frame 3, exhaust fan 31, fixing
  • a power distribution cabinet heat dissipation and exhaust device as shown in Figures 1 to 8, includes a power distribution cabinet body 1, and a ventilation hole 11 is opened at the bottom of the power distribution cabinet body, and the ventilation hole is connected to an air inlet duct 2,
  • the air intake duct is provided with an air intake noise reduction structure
  • a fan fixing frame 3 is fixed on the bottom plate 13 of the main body of the power distribution cabinet, and an exhaust fan 31 is detachably installed in the fan fixing frame.
  • the ventilation holes are arranged coaxially, the wind direction of the exhaust fan is upward, and an exhaust air noise reduction structure 4 is installed on the top of the fan fixing frame;
  • the air exhaust and noise reduction structure includes a mounting frame 41 and a deflector 42.
  • the deflectors are evenly spaced in multiple groups along the length direction of the mounting frame. remove the connection;
  • a plurality of air outlet areas 12 are arranged on the side wall of the main body of the power distribution cabinet, and the air outlet areas are used to accelerate the air circulation of the power distribution cabinet, thereby accelerating heat dissipation.
  • the air inlet noise reduction structure includes a pipe body 21 and a noise reduction pipe 22. Both the pipe body and the noise reduction pipe are hollow tubular structures.
  • the pipe body is sleeved on the outside of the noise reduction pipe, so Diverter plates 23 are evenly distributed in the circumferential direction between the main body of the pipeline and the noise reduction pipe, and a spiral cavity wall 24 is arranged in the noise reduction pipe.
  • Mounting bars 43 are clamped on both sides of the deflector, one side of the mounting bar is provided with a positioning column 431, and the inner side wall of the mounting frame is provided with a positioning groove 432 matched with the positioning column.
  • the air volume can be adjusted by adjusting the angle of the deflector, and the deflector can adsorb and isolate some relatively large particles or sundries.
  • the guide plate includes guide holes 421 formed with uniform distribution.
  • the air outlet area is composed of a plurality of heat dissipation holes.
  • the top of the fan fixing frame is provided with a fixing column 32 that matches the mounting hole of the exhaust fan, and the exhaust fan can be disassembled for cleaning.
  • a dust-proof net is arranged at the ventilation hole (not shown in the figure, it is a general dust-proof net structure, and has a certain dust-proof effect).
  • the air inlet duct When the exhaust fan is working, by setting the air inlet duct, the air enters from the air inlet duct. Since the air inlet duct has an air intake noise reduction structure, the double-layer design of the duct can play a good sound insulation effect, and the deflector can not only play a guiding role It can also effectively reduce the noise during ventilation, and the same is true for the spiral cavity wall, which can well reduce the noise generated in the pipeline during gas circulation;
  • the deflector plate installed in the installation frame is disassembled, the deflector plate is inclined and arranged to effectively facilitate the guiding and buffering of the gas, and the evenly arranged diversion holes on the deflector plate can improve the uniformity of the air outlet. Thereby reducing the noise generated by the gas circulation;
  • the design of the present invention can reduce the noise generated by the heat dissipation of the exhaust fan.
  • the deflector is detachably installed, which is convenient for regular cleaning, thereby effectively improving the stability of the electrical appliances in the power distribution cabinet when working.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

Est divulgué un dispositif de dissipation de chaleur et d'évacuation d'air d'une armoire de distribution d'énergie, se rapportant au domaine technique des appareils électromécaniques. La partie inférieure d'un corps d'armoire de distribution d'énergie est pourvue d'un trou d'évent qui est relié à une conduite d'entrée d'air, une structure d'entrée d'air et de réduction de bruit est disposée dans la conduite d'entrée d'air, un cadre de fixation de ventilateur est disposé à demeure sur une plaque inférieure du corps d'armoire de distribution d'énergie, un ventilateur d'évacuation d'air est disposé amovible dans le cadre de fixation de ventilateur, le ventilateur d'évacuation d'air et le trou d'évent sont disposés de manière coaxiale, le ventilateur d'évacuation d'air présente une direction de vent vers le haut, et la partie supérieure du cadre de fixation de ventilateur est pourvue d'une structure d'évacuation d'air et de réduction de bruit ; et la structure d'évacuation d'air et de réduction de bruit comprend un cadre de montage et des plaques de guidage, une pluralité de plaques de guidage sont disposées uniformément à des intervalles dans la direction de la longueur du cadre de montage, et les plaques de guidage sont reliées amovibles au cadre de montage. Grâce à la conception de la présente invention, un bruit généré par le ventilateur d'évacuation pendant une dissipation de chaleur peut être considérablement réduit ; de plus, les plaques de guidage sont montées amovibles, de sorte qu'il est aisé de nettoyer régulièrement les plaques de guidage, et la stabilité des appareils électriques dans l'armoire de distribution d'énergie pendant le fonctionnement est efficacement améliorée.
PCT/CN2022/093419 2022-05-12 2022-05-18 Dispositif de dissipation de chaleur et d'évacuation d'air d'armoire de distribution d'énergie WO2022161542A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210515152.XA CN117096756A (zh) 2022-05-12 2022-05-12 一种配电柜散热排风装置
CN202210515152.X 2022-05-12

Publications (2)

Publication Number Publication Date
WO2022161542A2 true WO2022161542A2 (fr) 2022-08-04
WO2022161542A3 WO2022161542A3 (fr) 2023-01-19

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Application Number Title Priority Date Filing Date
PCT/CN2022/093419 WO2022161542A2 (fr) 2022-05-12 2022-05-18 Dispositif de dissipation de chaleur et d'évacuation d'air d'armoire de distribution d'énergie

Country Status (3)

Country Link
CN (1) CN117096756A (fr)
LU (1) LU502175B1 (fr)
WO (1) WO2022161542A2 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106848886A (zh) * 2015-12-07 2017-06-13 天津绪阳本华科技有限公司 一种电力设备散热装置
CN109873318A (zh) * 2017-12-03 2019-06-11 西安开元合众机电有限责任公司 一种对流散热式配电柜
CN212177526U (zh) * 2020-04-07 2020-12-18 广州市雅佳德充气制品有限公司 一种低噪音离心风机
CN212746809U (zh) * 2020-07-09 2021-03-19 广州市宝源节能环保科技有限公司 一种实验室用具有降噪功能的换气装置
DE202020106478U1 (de) * 2020-11-11 2021-03-09 Yantai Sanshui Electric Co., Ltd. Neuartiger wasserdichter Kondensatorschrank mit einfacher Wärmeableitung
CN215408811U (zh) * 2021-06-07 2022-01-04 深圳深日环保科技有限公司 一种内燃机用新型管道式消音器
CN216341243U (zh) * 2021-11-25 2022-04-19 利发环保科技(昆山)有限公司 一种具有通风散热功能的隔音房
CN216413714U (zh) * 2021-12-16 2022-04-29 苏州祝伟电器有限公司 一种具有散热功能的电控柜

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Publication number Publication date
WO2022161542A3 (fr) 2023-01-19
CN117096756A (zh) 2023-11-21
LU502175B1 (en) 2022-12-19

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