WO2020200230A1 - 通风散热装置及机电设备 - Google Patents

通风散热装置及机电设备 Download PDF

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Publication number
WO2020200230A1
WO2020200230A1 PCT/CN2020/082733 CN2020082733W WO2020200230A1 WO 2020200230 A1 WO2020200230 A1 WO 2020200230A1 CN 2020082733 W CN2020082733 W CN 2020082733W WO 2020200230 A1 WO2020200230 A1 WO 2020200230A1
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WO
WIPO (PCT)
Prior art keywords
ventilation
heat dissipation
waterproof
unit
main frame
Prior art date
Application number
PCT/CN2020/082733
Other languages
English (en)
French (fr)
Inventor
陈太和
胡荣恒
丁维超
杨江辉
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP20783788.1A priority Critical patent/EP3883356B1/en
Publication of WO2020200230A1 publication Critical patent/WO2020200230A1/zh
Priority to US17/375,754 priority patent/US20210345522A1/en

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Classifications

    • 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
    • H02B1/56—Cooling; Ventilation
    • H02B1/565—Cooling; Ventilation for cabinets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/02—Casings
    • H01F27/025—Constructional details relating to cooling
    • 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
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0212—Condensation eliminators
    • 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
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0213—Venting apertures; Constructional details thereof
    • H05K5/0214—Venting apertures; Constructional details thereof with means preventing penetration of rain water or dust
    • 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
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/06—Hermetically-sealed casings
    • H05K5/069—Other details of the casing, e.g. wall structure, passage for a connector, a cable, a shaft
    • 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
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • 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
    • H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof

Definitions

  • This application relates to the technical field of equipment protection, in particular to a ventilation and heat dissipation device and electromechanical equipment.
  • the related art provides a ventilation and heat dissipation device, which includes a main frame, an external air inlet, an internal air inlet and a baffle.
  • the internal air inlet is located at the upper part of the main frame
  • the baffle is located in the main frame and connected with the inner wall of the main frame
  • the external air inlet is located below the baffle.
  • the main frame is connected with the equipment to be ventilated and dissipated.
  • the outside air enters the main frame through the external air inlet, and the dust or impurities in the air are blocked by the baffle.
  • the heat generated during the operation of the equipment enters the main frame through the internal air inlet, and heat exchange is realized in the main frame.
  • the ventilation and heat dissipation device provided by the related technology can achieve a certain effect of ventilation and heat dissipation, it still cannot meet the protection level requirements of different use environments.
  • the embodiments of the present application provide a ventilation and heat dissipation device and electromechanical equipment, which can solve the above technical problems.
  • the technical solutions are as follows:
  • a ventilation and heat dissipation device in one aspect, includes a main frame for connecting with equipment to be ventilated and heat dissipation, and a ventilation and heat dissipation assembly located inside the main frame;
  • the ventilation and heat dissipation assembly includes: a waterproof unit, an external ventilation unit and an internal ventilation unit;
  • the waterproof unit is located between the external ventilation unit and the internal ventilation unit, and the external ventilation unit and the internal ventilation unit are arranged in a staggered layout;
  • the bottom of the waterproof unit has drainage holes.
  • the ventilation and heat dissipation assembly further includes: a first baffle and a second baffle that are staggered from top to bottom;
  • the first baffle is connected to the top of the waterproof unit, and the second baffle is located above the external ventilation unit.
  • the ventilation and heat dissipation assembly further includes: a third baffle between the waterproof unit and the main frame;
  • the third baffle is located below the second baffle and has a reference distance from the external ventilation unit.
  • the waterproof unit includes: a waterproof board
  • the waterproof board is located between the external ventilation unit and the internal ventilation unit, and the bottom of the waterproof board has the drainage hole.
  • the waterproof unit further includes: a rotating plate
  • the rotating plate is adapted to the drain hole.
  • the waterproof unit further includes: a rotating shaft;
  • the rotating shaft is connected with the waterproof plate, and the rotating plate is rotatably connected with the rotating shaft.
  • the waterproof board includes: a first waterproof sub-board and a second waterproof sub-board, and there is a reference included angle between the first waterproof sub-board and the second waterproof sub-board;
  • the first waterproof sub-board and the second waterproof sub-board are located between the external ventilation unit and the internal ventilation unit, and the bottom of the first waterproof sub-board has the drainage hole.
  • the main frame includes: a first side plate, a second side plate, a top plate, a bottom plate, and side walls;
  • the first side plate is connected to one side of the side wall
  • the second side plate is connected to the other side of the side wall
  • one end of the side wall is connected to the top plate
  • the other end is connected to the top plate.
  • the side wall has a first opening adapted to the external ventilation unit, and a second opening adapted to the internal ventilation unit.
  • the ventilation and heat dissipation assembly further includes: a deflector
  • the deflector is located below the internal ventilation unit, and there is an included angle between the deflector and the bottom plate of the main frame and the first side plate.
  • one end of the deflector is located between the bottom plate of the main frame and the bottom of the drain hole, and the other end of the deflector is in contact with the first side plate of the main frame.
  • the external ventilation unit includes: a ventilation panel having a plurality of ventilation openings, and the ventilation panel is located at the first opening.
  • the plurality of vents are provided with a brim, and the concave surface of the brim is downward.
  • an electromechanical device in another aspect, includes any one of the aforementioned ventilation and heat dissipation devices.
  • the ventilation and heat dissipation device prevents rainwater from outside from entering the ventilation equipment to be radiated through the waterproof unit located in the main frame, and the outside air enters the main frame through the external ventilation unit, which is generated during the operation of the ventilation and heat dissipation equipment Heat enters the main frame through the internal ventilation unit for heat exchange. It ensures the normal heat dissipation of the equipment during operation, and also prevents rainwater from entering the equipment under different use environments, which meets the protection level requirements of electromechanical equipment under different use environments.
  • Fig. 1 is a schematic structural diagram of a ventilation and heat dissipation device provided by an embodiment of the present application
  • Figure 2 is a schematic structural diagram of a ventilation and heat dissipation device provided by an embodiment of the present application
  • Fig. 3 is a schematic structural diagram of a ventilation and heat dissipation device provided by an embodiment of the present application.
  • Fig. 4 is a schematic diagram of the flow direction of the ventilation and heat dissipation device provided by the embodiment of the present application after rainwater enters;
  • FIG. 5 is a schematic diagram of the structure of the rotating plate and the drainage hole provided by the embodiment of the present application.
  • FIG. 6 is a schematic diagram of the structure of a waterproof board provided by an embodiment of the present application.
  • Figure 7 is a schematic diagram of the main frame structure provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a ventilation and heat dissipation device provided by an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a ventilation and heat dissipation device provided by an embodiment of the present application.
  • Fig. 10 is a schematic diagram of the structure of a ventilation plate provided by an embodiment of the present application.
  • 1- main frame 11- first side panel, 12- second side panel, 13- top panel, 14- bottom panel, 15- side wall, 2- heat dissipation component, 21- waterproof unit, 211- drainage hole, 212- waterproof Plate, 2121-first waterproof sub-board, 2122-second waterproof sub-board, 213-rotating plate, 22-external ventilation unit, 221-ventilation plate, 23-internal ventilation unit, 24-first baffle, 25-th Second baffle, 26-third baffle, 27- deflector.
  • a box-type substation In the application of equipment protection, some electromechanical equipment has special use requirements.
  • a box-type substation The use environment of the box-type substation is outdoor, and there are certain requirements for the protection level.
  • the requirement for a dust-proof level of 5 means that the ingress of dust cannot be prevented within this level, but the amount of dust immersed will not affect the normal operation of the equipment.
  • the waterproof level is required to be level 4, that is, to prevent splashing water from immersing in all directions.
  • the box-type substation generates a large amount of heat during operation and needs to be discharged in time. If the generated heat is not discharged in time, it will affect the normal operation of the box-type substation.
  • the embodiments of the present application provide a ventilation and heat dissipation device, which can meet the ventilation and heat dissipation requirements of electromechanical equipment under similar use environments or use requirements such as box-type substations.
  • the ventilation and heat dissipation device includes: a main frame 1 for connecting with the equipment to be ventilated and heat dissipation, and a ventilation and heat dissipation assembly 2 located inside the main frame 1;
  • the ventilation and heat dissipation assembly 2 includes: a waterproof unit 21, an external ventilation unit 22 and an internal ventilation unit 23;
  • the waterproof unit 21 is located between the external ventilation unit 22 and the internal ventilation unit 23, and the external ventilation unit 22 and the internal ventilation unit 23 are arranged in a staggered layout;
  • the bottom of the waterproof unit 21 has a drain hole 211.
  • the waterproof unit 21 located in the main frame 1 prevents rainwater from outside from entering the heat dissipation equipment to be ventilated, and the outside air enters the main frame 1 through the external ventilation unit 22, and the heat dissipation equipment to be ventilated is running
  • the heat generated in the process enters the main frame 1 through the internal ventilation unit 23 for heat exchange. It ensures the normal heat dissipation of the equipment during operation, and also avoids rainwater entering the equipment due to different use environments. It meets the protection level requirements of electromechanical equipment in different use environments.
  • the internal ventilation unit 23 and the external ventilation unit 22 provided in the embodiment of the present application are arranged in a staggered layout. That is, the external ventilation unit 22 and the internal ventilation unit 23 are arranged on both sides of the main frame 1, and are relatively staggered by a certain distance.
  • the left and right positions of the external ventilation unit 22 and the internal ventilation unit 23 may be interchanged according to different application scenarios of the heat dissipation equipment to be ventilated. As an example, when the application environment is different, the ventilation and heat dissipation device does not need to be replaced, only the left and right positions of the external ventilation unit 22 and the internal ventilation unit 23 need to be replaced. This arrangement improves the utilization efficiency of the ventilation and heat dissipation device and reduces the cost of equipment use.
  • the position of the internal ventilation unit 23 and the main frame 1 can be adjusted according to the use environment of the heat dissipation device to be ventilated.
  • the position of the internal ventilation unit 23 may be above, in the middle or below the main frame 1, but not lower than the position of the external ventilation unit 22.
  • the external ventilation unit 22 and the main frame 1 provided in the embodiment of the present application are all detachably connected between the internal ventilation unit 23 and the main frame 1. In this way, when a problem occurs between the internal ventilation unit 23 and the external ventilation unit 22, it is convenient to disassemble and replace.
  • the internal ventilation unit 23 has a buckle
  • the main frame 1 has a card slot adapted to the above-mentioned buckle
  • the internal ventilation unit 23 is connected to the main frame 1 in a snap connection.
  • a first connection hole on the internal ventilation unit 23 the main frame 1 has a second connection hole
  • the first connector passes through the second connection hole and the third connection hole to connect the internal ventilation unit 23 and the main frame 1.
  • the first connecting hole and the second connecting hole may be bolt holes
  • the first connecting member may be a bolt.
  • the internal ventilation unit 23 may be a ventilation box of any shape, and the shape of the ventilation box may be a square, a rectangle, or the like.
  • the shape of the internal ventilation unit 23 is not limited in the embodiment of the present application.
  • the ventilation and heat dissipation assembly 2 further includes: a first baffle 24 and a second baffle 25 that are staggered from top to bottom;
  • the first baffle 24 is connected to the top of the waterproof unit 21, and the second baffle 25 is located above the external ventilation unit 22.
  • the second baffle 25 By providing the second baffle 25, most of the rainwater coming in from the external ventilation unit 22 is blocked. Since the device provided by the embodiment of the present application also requires external air to enter the main frame 1, the first baffle 24 and the second baffle 25 are arranged in a misplaced manner, so that the external air can enter the main frame 1 and avoid air It is completely blocked under the first baffle 24.
  • first baffle 24 and the second baffle 25 are arranged in a staggered manner. Therefore, a passage is formed between the staggered positions of the first baffle 24 and the second baffle 25, which is not blocked by the second baffle 25. A small part of the rainwater is carried upward by the air through the channel. By setting the first baffle 24 to block the remaining part of rainwater again, the amount of rainwater entering the main frame 1 is reduced.
  • the second baffle 25 is located above the external ventilation unit 22 to prevent rainwater entering from the external ventilation unit 22 from entering the ventilation equipment to be dissipated.
  • the distance between the second baffle 25 and the external ventilation unit 22 should not be too far, and too far can not play the role of blocking water.
  • the distance between the first baffle 24 and the second baffle 25 may be determined according to the use environment during application. For example, when the outside climate is bad, the wind speed is high, and the rainfall is high, the distance between the first baffle 24 and the second baffle 25 can be larger. In this way, the potential energy of rainwater that is not intercepted can be reduced by a certain amount. Blocking is carried out after the level, which improves the efficiency of blocking.
  • the distance between the first baffle 24 and the second baffle 25 can be smaller, that is, by setting a smaller Distance can block rainwater from the outside. Moreover, reducing the distance between the first baffle 24 and the second baffle 25 can reduce the space occupied by the ventilation and heat dissipation assembly 2 in the ventilation and heat dissipation device, thereby reducing the space occupation rate of the ventilation and heat dissipation device itself.
  • the direction of the second baffle 25 above the external ventilation unit 22 may be horizontal, or may have a certain inclination. This application is not limited, as long as it can achieve the function of blocking outside water.
  • the second baffle 25 is located above the external ventilation unit 22, and one end of the baffle can be connected to the main frame 1, or can be connected to the waterproof unit 21, or connected to both the external ventilation unit 22 and the main frame 1.
  • the first baffle 24 and the waterproof unit 21 may be connected vertically or at a reference angle.
  • the first baffle 24 and the waterproof unit 21 may be connected at an angle of 80°, 70°, 75°, 60°, 45°, etc. As long as it can block the rainwater.
  • the material of the first baffle 24 and the second baffle 25 may be plates made of stainless steel.
  • the thickness of the first baffle 24 and the second baffle 25 can be 1 cm, 2 cm, etc., as long as they can withstand the gravity effect of rain from the outside. It should be noted that the thickness of the first baffle 24 and the second baffle 25 mentioned above is only an illustrative example, and the embodiment of the application does not limit the thickness of the first baffle 24 and the second baffle 25. .
  • the ventilation and heat dissipation assembly 2 further includes: a third baffle 26 between the waterproof unit 21 and the main frame 1;
  • the third baffle 26 is located below the second baffle 25 and has a reference distance from the external ventilation unit 22.
  • the third baffle 26 By setting the third baffle 26, when the external environment is bad and the wind speed and rainfall are both large, the rainwater can be initially blocked by the third baffle 26 to avoid excessive rainwater entering through the external ventilation unit 22 , The first baffle 24 and the second baffle 25 cannot function as a good barrier, so that rainwater can enter the heat dissipation equipment to be ventilated.
  • the third baffle 26 can prevent the external ventilation unit 22 from blocking the external ventilation unit 22, preventing rainwater from entering, and also isolating outside air from entering.
  • the reference distance can be determined according to the environment of use. For example, when the use environment is bad, there are often strong winds and heavy rains, that is, when the wind speed is relatively high and the rainfall is relatively large, there may be more rainwater entering the main frame 1 with the strong wind. At this time, the third baffle 26 and the outside The distance between the ventilation units 22 can be small to prevent excessive rainwater from entering the main frame 1 and then entering the heat dissipation equipment to be ventilated. This application does not limit the reference distance.
  • the distance between the third baffle 26 and the second baffle 25 can be determined according to the use environment. For example, when the use environment is bad, there are often strong winds and heavy rains. At this time, there may be more rainwater entering the main frame 1 with the strong wind. At this time, the gap between the third baffle 26 and the second baffle 25 The distance can be larger, so that the rainwater can first rise to a certain height between the third baffle 26 and the second baffle 25, and after the potential energy is reduced, it can be shielded to improve the efficiency of the shielding. This application does not limit the distance between the third baffle 26 and the second baffle 25.
  • the third baffle 26 may be connected to the waterproof unit 21, or may be connected to the main frame 1, or may be connected to both the waterproof unit 21 and the main frame 1. As long as the third baffle 26 is located below the second baffle 25 and has a reference distance from the external ventilation unit 22.
  • the third baffle 26 and the waterproof unit 21 or the main frame 1 may be snap-connected, for example, a card slot is opened on the waterproof unit 21, and a buckle is provided on the third baffle 26, Alternatively, a card slot is opened on the main frame 1, and a buckle is provided on the third baffle 26. It may also be that a bolt hole is opened on the waterproof unit 21, and the third baffle 26 is bolted to the waterproof unit 21, or a bolt hole is opened on the main frame 1, and the third baffle 26 is bolted to the main frame 1, and so on.
  • the third baffle 26 may be perpendicular to the waterproof unit 21 and the main frame 1, or may be at a certain angle, for example, 80°, 70°, 75°, 60°, 45°, and so on. As long as it can achieve the effect of retaining water.
  • the material of the third baffle 26 may be a plate made of stainless steel.
  • the thickness of the third baffle 26 can be 1 cm, 2 cm, etc., as long as it can withstand the gravity effect of rain from the outside. It should be noted that the thickness of the third baffle 26 mentioned above is only an illustrative example, and the embodiment of the present application does not limit the thickness of the third baffle 26.
  • the waterproof unit 21 includes: a waterproof board 212;
  • the waterproof board 212 is located between the external ventilation unit 22 and the internal ventilation unit 23, and the bottom of the waterproof board 212 has a drain hole 211.
  • a waterproof board 212 is provided, and the external ventilation unit 22 and the internal ventilation unit 23 are respectively located on both sides of the waterproof board 212.
  • the position of the waterproof board 212 between the external ventilation unit 22 and the internal ventilation unit 23 is not limited, and can be determined according to the volume or size of the external ventilation unit 22 and the internal ventilation unit 23.
  • the space position in the main frame 1 remains unchanged and the size of the internal ventilation unit 23 is larger, the space occupied by the external ventilation unit 22 will be reduced. At this time, the waterproof board 212 will be placed in the main frame 1. It is relatively close to the external ventilation unit 22.
  • FIG. 4 shows the flow direction of external rainwater entering the main frame 1 provided by the embodiment of the application.
  • the arrow in FIG. 4 indicates the direction of rainwater after entering the main frame 1.
  • the rainwater entering the main frame 1 with strong wind cannot be completely blocked by the third baffle 26, the second baffle 25 and the first baffle 24 .
  • the rainwater continues to rise after passing over the top of the first baffle 24 under the action of wind speed.
  • the rainwater is driven by the strong wind to the waterproof board 212 is deflected on one side of the internal ventilation unit 23 and then descends downward under the action of gravity.
  • the number of drainage holes 211 may be multiple. For example, two rows, three rows, or four rows of drainage holes 211 may be provided under the waterproof board 212.
  • the size of the drain hole 211 can be determined according to the application environment. For example, when the environment of the equipment to be ventilated and heat dissipated is relatively harsh, there will often be strong winds and heavy rains. At this time, more rainwater may enter the main frame 1 And because the wind speed and rainfall are relatively large, the amount of rainwater that the third baffle 26, the second baffle 25 and the first baffle 24 can withstand is small, and the rainwater that crosses the first baffle 24 will be more. At this time, a larger size drainage hole 211 needs to be opened to meet the need for drainage.
  • the height of the waterproof board 212 is lower than the height of the main frame 1.
  • the rainwater that is not blocked by the first baffle 24, the second baffle 25 and the third baffle 26 will fall through the other side of the first baffle 24 and be discharged through the drainage hole 211. Therefore, the height of the first baffle 24 should be lower than the height of the main frame 1. In order to avoid that the height of the first baffle 24 is too high, the wind speed is not high enough, and the rain cannot fall through the other side of the first baffle 24 when it rises.
  • the height of the waterproof board 212 may be slightly higher than the height of the first baffle 24.
  • the height of the waterproof board 212 can be determined according to the environment in which the device is in application.
  • the height of the waterproof board 212 can be set higher.
  • the potential energy decreases and then falls into the waterproof The rainwater on one side of the board 212 will be relatively reduced.
  • the height of the waterproof board 212 also needs to be adapted to the size of the main frame 1.
  • the waterproof unit 21 further includes a rotating plate 213;
  • the rotating plate 213 is matched with the drain hole 211.
  • the drain hole 211 when the rotating plate 213 rotates to the drain hole 211, the drain hole 211 is closed, and when the rotating plate 213 is away from the drain hole 211, the drain hole 211 is opened.
  • the rotating plate 213 When the rotating plate 213 turns to the drain hole 211, the drain hole 211 is closed under the force of wind and rain. Therefore, the rotating plate 213 is adapted to the drain hole 211.
  • the rotating plate 213 may be a square, rectangular, or circular plate, but it is necessary to ensure that the surface area of the rotating plate 213 is larger than all the openings of the drainage hole 211.
  • the drainage holes 211 may be rows of rectangular water holes opened on the waterproof plate 212, and the rotating plate 213 may be a rectangular plate that fits the rectangular water holes.
  • the rotating plate 213 needs to block rainwater on the other side of the waterproof plate 212 when it is turned to the waterproof plate 212. Therefore, the rotating plate 213 needs to be a plate that can withstand a certain pressure. For example, it may be a board made of stainless steel or polyvinyl chloride. However, the weight of the rotating plate 213 should not be too heavy. If the weight is too heavy, the rotating plate 213 cannot be rotated to close the drain hole 211 when the force of wind and rain entering the main frame 1 is small.
  • the rotating plate 213 rotates under the force of wind and rain entering from the external ventilation unit 22, the drainage hole 211 is closed and opened. Therefore, the length of the rotating plate 213 should not be too long. Too long will block the external ventilation unit 22, affect the entry of air, and cannot rotate. The length of the rotating plate 213 should not be too short either. Too short will result in too small a force-receiving area and unable to rotate.
  • the height of the rotating plate 213 is adapted to the height of the drain hole 211, and the length is adapted to the size of the drain hole 211. That is, the length of the rotating plate 213 can have a sufficient force-receiving area and can rotate without affecting the normal operation of the ventilation and heat dissipation device.
  • the embodiment of the present application does not limit the size of the rotating plate 213.
  • the waterproof unit 21 further includes: a rotating shaft;
  • the rotating shaft is connected with the waterproof plate 212, and the rotating plate 213 is rotatably connected with the rotating shaft.
  • the rotating shaft provided in the embodiment of the present application is connected to the waterproof plate 212, and then rotatably connected to the rotating plate 213, so that the rotating plate 213 can rotate along the rotating shaft.
  • the rotating shaft provided in the embodiment of the present application may be a hinge.
  • One end of the hinge is connected to the waterproof plate 212, and the other end is connected to the rotating plate 213.
  • the rotating plate 213 can be connected to the waterproof plate 212 through a hinge and realize relative rotation. .
  • the hinge provided in the present application may be damped cross-linking, and when the function of rotation is realized, the noise generated when the hinge is rotated can be reduced.
  • the waterproof board 212 includes: a first waterproof sub-board 2121 and a second waterproof sub-board 2122. There is a reference between the first waterproof sub-board 2121 and the second waterproof sub-board 2122. Included angle
  • the first waterproof sub-board 2121 and the second waterproof sub-board 2122 are located between the external ventilation unit 22 and the internal ventilation unit 23, and the bottom of the first waterproof sub-board 2121 has a drainage hole 211.
  • the first waterproof sub-board 2121 and the second waterproof sub-board 2122 provided by the embodiment of the present application are both baffles with a certain thickness.
  • the first waterproof sub-board 2121 and the second waterproof sub-board 2122 may be connected at an angle of 90°, or may be connected at an angle of 30°, 40°, 45°, 60°, etc.
  • the first baffle 24 provided in the embodiment of the present application is connected to the first waterproof sub-board 2121, or connected to the second waterproof sub-board 2122, or connected to both.
  • the first waterproof sub-board 2121 may be connected to the main frame 1 or only the second waterproof sub-board 2122.
  • the angle between the first baffle 24 and the first waterproof sub-board 2121 can be adjusted by adjusting the position of either one.
  • the first waterproof sub-board 2121 should block rainwater from the outside. Therefore, the first waterproof sub-board 2121 and the main frame 1 should be sealed to prevent rainwater from passing through the gap between the first waterproof sub-board 2121 and the main frame 1. The gap enters directly below the internal ventilation unit 23.
  • the second baffle 25 provided by the embodiment of the present application is connected to the second waterproof sub-board 2122 and is located above the waterproof unit 21; the third baffle 26 is connected to the first waterproof sub-board 2121.
  • the first waterproof sub-board 2121 and the second waterproof sub-board 2122 are between the positions where the second baffle 25 and the third baffle 26 are offset. A channel will be formed therebetween, and rainwater that is not blocked will rise from the channel formed between the staggered positions of the second baffle 25 and the third baffle 26 and between the first waterproof sub-board 2121 and the second waterproof sub-board 2122. After being blocked by the first baffle 24, it is biased to one side of the internal ventilation unit 23 under the action of wind, and discharged through the drainage hole 211 under the first waterproof sub-board 2121.
  • Both the second baffle 25 and the second waterproof sub-board 2122, and the third baffle 26 and the first waterproof sub-board 2121 may be detachably connected, for example, a snap connection, a bolt connection, or the like.
  • the main frame 1 includes: a first side plate 11, a second side plate 12, a top plate 13, a bottom plate 14 and a side wall 15;
  • the first side plate 11 is connected to one side of the side wall 15
  • the second side plate 12 is connected to the other side of the side wall 15
  • one end of the side wall 15 is connected to the top plate 13, and the other end is connected to the bottom plate 14;
  • the side wall 15 has a first opening adapted to the external ventilation unit 22 and a second opening adapted to the internal ventilation unit 23.
  • the main frame 1 provided by the embodiment of the present application forms a semi-open accommodating space through the first side plate 11, the second side plate 12, the top plate 13, the bottom plate 14 and the side wall 15.
  • the waterproof unit 21 is located in the accommodating space, and processes rainwater entering the accommodating space to prevent rainwater from entering the equipment to be ventilated and dissipated.
  • the first side plate 11, the second side plate 12 and the side wall 15 of the main frame 1, the side wall 15 and the bottom plate 14, and the side wall 15 and the top plate 13 may be detachably connected.
  • it may be a bolt connection.
  • the side wall 15 and the first side plate 11 and the second side plate 12 have bolt holes. It can also be riveted, snapped, etc.
  • the size of the main frame 1 provided in the embodiment of the present application is determined according to the size of the equipment to be ventilated and heat dissipated in actual application.
  • the height of the side wall 15 of the main frame 1 is adapted to the height of the box-type substation, and the width is adapted to the size of the transformer or the size of the motor in the box-type substation.
  • the heights of the first side plate 11 and the second side plate 12 are adapted to the height of the box-type substation.
  • the main frame 1 provided in the embodiment of the present application is used to connect to the equipment to be ventilated and heat dissipated.
  • the equipment to be ventilated and heat dissipated it passes through the first side plate 11, the second side plate 12, the top plate 13, and the bottom plate 14.
  • It can be detachably connected with the equipment to be ventilated.
  • bolt holes may be provided on the two side plates 11, the top plate 13, and the bottom plate 14, and bolt holes matching the above-mentioned bolt holes may be provided on the shell of the device to be ventilated and the heat dissipation device connected to the main frame 1.
  • It can also be provided with buckles on the first side plate 11, the second side plate 12, the top plate 13, and the bottom plate 14, and a card adapted to the buckle is provided on the housing where the ventilation and heat dissipation device is connected to the main frame 1. groove.
  • the material of the main frame 1 can be a main frame made of stainless steel, which can resist rainwater corrosion in the external environment, and the stainless steel main frame can reduce the overall weight of the ventilation and heat dissipation device. When applied to equipment that needs to be moved, it can reduce The overall weight of the equipment. It can also be a main frame made of other alloy materials, as long as it can resist external rainwater corrosion and has a certain strength and hardness.
  • the ventilation and heat dissipation assembly 2 further includes: a deflector 27;
  • the deflector 27 is located below the internal ventilation unit 23, and there is an included angle between the deflector 27 and the bottom plate 14 and the first side plate 11 of the main frame 1.
  • the deflector 27 provided in the embodiment of the present application guides rainwater to the drainage hole 211 under the first waterproof sub-board 2121. Accelerate the drainage of accumulated water and improve the efficiency of external drainage. Or when there is little accumulated water on one side of the first side plate 11 and it is difficult to drain from the horizontally placed main frame 1, the baffle 27 can quickly drain the accumulated water.
  • the thickness of the deflector 27 can be determined according to the application environment of the equipment to be ventilated and heat dissipated during application. For example, when there is more wind and rain in the application environment of the heat dissipation device to be ventilated, the amount of rainwater entering the side of the first side plate 11 will be more, so the thickness of the deflector 27 may be thicker. For example, it may be 2 cm, 3 cm, etc. When the wind and rain in the application environment of the heat dissipation device to be ventilated is small, the wind speed and the amount of rain entering the side of the first side plate 11 will be small, so the thickness of the deflector 27 can be thinner. For example, it may be 0.5 cm, 1 cm, etc. It should be noted that the above thickness is only an example, and the embodiment of the present application does not limit the thickness of the deflector 27.
  • the width of the baffle 27 can be adapted to the size of the drainage hole 211. So that the stagnant water flowing down from the deflector 27 can directly enter the drain hole 211.
  • one end of the deflector 27 can be located at any position of the bottom plate 14 of the main frame 1, and the other end is leaned against the first side plate 11 of the main frame 1.
  • one end of the deflector 27 may be placed on the first side plate 11 of the main frame 1 and the other end is placed on the bottom plate 14 of the main frame 1.
  • the position of the deflector 27 on the bottom plate 14 can be moved, for example, it can be moved toward or away from the first waterproof sub-board 2121 to adjust the deflector 27 and the first side plate.
  • one end of the deflector 27 is easy to slide on the bottom plate 14 of the main frame 1, and one end can be connected to the bottom plate 14 of the main frame 1 after adjusting the angle of the deflector.
  • one end of the deflector 27 is located between the bottom plate 14 of the main frame 1 and the bottom of the drain hole 211, and the other end of the deflector 27 is in contact with the first side plate 11 of the main frame 1.
  • the deflector 27 is to divert the water on the side of the first waterproof subunit 2121. Therefore, the deflector 27 should be located between the bottom of the drain hole 211 and the bottom plate 14 of the main frame 1, but not Block the drain hole 211.
  • the other end of the baffle 27 and the first side plate 11 of the main frame 1 can be connected after setting the diversion angle, or it can be placed on the first side plate 11 and contacted with the first side plate 11.
  • the external ventilation unit 22 includes: a ventilation plate 221; the ventilation plate 221 has a ventilation opening, and the ventilation plate 221 is located at the first opening.
  • the ventilation plate 221 and the main frame 1 may be fixedly connected, for example, the ventilation plate 221 is welded to the first opening of the main frame 1.
  • the ventilation plate 221 will not fall, which ensures the stability of the ventilation and heat dissipation device.
  • the ventilation plate 221 and the main frame 1 can also be detachably connected. When the ventilation opening is blocked, it is convenient to disassemble and replace.
  • the environment in which the ventilation and heat dissipation device provided in the embodiments of the present application is used may be indoors or outdoors.
  • the use environment is outdoor, wind and rain may occur due to climate change.
  • the material of the ventilation plate 221 may be a board made of stainless steel, or a board made of a material that is not easily corroded by rain, such as aluminum alloy. In this way, the service life of the device can be increased, and the manufacturing cost of the device can also be reduced.
  • the shape of the ventilation plate 221 may be a square, rectangular, trapezoidal or irregularly shaped board, and the shape of the ventilation plate 221 can be adapted to the shape of the first opening, which is not limited in the embodiment of the present application.
  • the size of the ventilation plate 221 can be determined according to the conditions of the equipment to be ventilated and dissipated during application. As an example, when the equipment to be ventilated and heat dissipated is a large box-type substation, because the transformer or high-voltage electrical equipment installed in the box-type substation has a large power, more heat will be generated, and it needs to be replaced by a ventilation and heat dissipation device. There is more hot air. At this time, the size of the ventilation plate 221 may be larger to satisfy that more air enters the main frame 1.
  • the ventilation plate 221 can be set to be smaller, which can meet the air content for heat exchange without affecting the space occupancy rate of the device.
  • the size of the ventilation holes can be determined according to the application scene. For example, when the ventilation and heat dissipation device provided in the embodiment of the present application is applied to a box-type substation, due to the different application environments of the box-type substation, the weather conditions encountered are also different. When the box-type substation is located in a mountainous area with a poor environment, At this time, it may be difficult for air to enter the heat dissipation frame 1 because the impurities mixed in the rainwater are relatively large and mixed. At this time, the diameter of the vent can be set to be larger to facilitate outside air to enter the main frame 1.
  • the shape of the ventilation holes can be round, triangle, square, rectangle, star and other shapes, and can be set according to the actual application scene.
  • the shape of the ventilation hole can be determined according to the surrounding environment. Can improve the degree of integration with the surrounding environment.
  • each of the multiple ventilation holes has a brim, and the concave surface of the brim faces the ground.
  • the brim By arranging the brim on a plurality of ventilation holes, it is possible to shield the sundries from the outside, for example, cotton thread, paper towels, silk thread or leaves that are blown by the strong wind.
  • the size of the brim is matched with the size of the ventilation hole to achieve a better shielding effect.
  • a filter screen is provided on the plurality of ventilation holes.
  • the air entering the main frame 1 can be filtered again to filter out large particles of impurities in the air.
  • the external environment is wind, rain or hail, it can block part of the rain and hail, and can also filter the debris in the rain mixed with strong wind.
  • the filter screen may be bonded to the hole wall of the ventilation hole, or may be bonded to the entire ventilation plate 221.
  • the mesh of the filter should not be too small. If it is too small, it will block outside air from entering the main frame 1 and reduce the heat dissipation efficiency of the device. If it is too large, dust or impurities with a larger particle size will enter the main frame 1 and affect the normal operation of the device.
  • the size of the filter mesh may be determined according to the use environment of the equipment to be ventilated and heat dissipated, and is not limited in the embodiment of the present application.
  • the external ventilation unit 22 further includes a connecting piece, and the ventilation plate 221 is connected to the main frame 1 through the connecting piece.
  • the connecting member provided in the embodiment of the present application may be a snap, and the ventilation plate 221 and the main frame 1 may be connected by a snap connection.
  • the connecting member may also be a bolt, and the main frame 1 has bolt holes, and the ventilation plate 221 is connected to the main frame 1 by bolts. When the ventilation plate 221 is blocked or damaged, it is convenient to disassemble and replace.
  • an embodiment of the present application provides an electromechanical device, which includes any one of the foregoing ventilation and heat dissipation devices.
  • the electromechanical equipment provided in the embodiments of the present application exchanges heat generated in the electromechanical equipment through a ventilation and heat dissipation device, so that the electromechanical equipment operates efficiently.

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Abstract

本申请公开了一种通风散热装置及机电设备，属于设备防护技术领域。所述装置包括：用于与待通风散热设备连接的主架以及位于主架内部的通风散热组件；通风散热组件包括：防水单元、外部通风单元与内部通风单元；防水单元位于外部通风单元与内部通风单元之间，外部通风单元与内部通风单元错位布局；防水单元底部具有排水孔。本申请通过位于主架内的防水单元阻止外界的雨水进入待散热通风设备内，外界的空气通过外部通风单元进入主架内，待通风散热设备运行过程中产生的热量通过内部通风单元进入主架内，进行热交换。保证了设备在运行过程中的正常散热，也避免不同使用环境下雨水进入设备内，满足了机电设备在不同使用环境下的防护等级要求。

Description

通风散热装置及机电设备
本申请要求于2019年04月01日提交的申请号为201910256985.7、发明名称为“通风散热装置及机电设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及设备防护技术领域，特别涉及一种通风散热装置及机电设备。
背景技术
机械、电器及自动化等机电设备在运行过程中，机电设备内部的电机等部件会产生大量的热，经过太阳辐射后，机电设备内部也会发生温升。因此，在机电设备运行过程中需要对其进行散热、通风。
相关技术提供了一种通风散热装置，包括：主架、外部进风口、内部进风口与挡板。内部进风口位于主架内的上部，挡板位于主架内且与主架的内壁连接，外部进风口位于挡板的下方。主架与待通风散热设备连接。外界空气通过外部进风口进入主架内，通过挡板隔挡空气中的灰尘或杂质等，设备运行过程中产生的热量通过内部进风口进入主架，在主架内实现热交换。
发明人发现相关技术至少存在以下问题：
相关技术提供的通风散热装置，虽然可以起到一定的通风散热的效果，但还是会无法满足不同使用环境的防护等级要求。
发明内容
本申请实施例提供了一种通风散热装置及机电设备，可解决上述技术问题。技术方案如下：
一方面，提供了一种通风散热装置，所述通风散热装置包括：用于与待通风散热设备连接的主架以及位于所述主架内部的通风散热组件；
所述通风散热组件包括：防水单元、外部通风单元与内部通风单元；
所述防水单元位于所述外部通风单元与所述内部通风单元之间，所述外部通风单元与所述内部通风单元错位布局；
所述防水单元底部具有排水孔。
在一种可能的实现方式中，所述通风散热组件还包括：由上至下错位设置的第一挡板和第二挡板；
所述第一挡板与所述防水单元顶部连接，所述第二挡板位于所述外部通风单元上方。
在一种可能的实现方式中，所述通风散热组件还包括：位于所述防水单元与所述主架之间的第三挡板；
所述第三挡板位于所述第二挡板的下方，且与所述外部通风单元之间具有参考距离。
在一种可能的实现方式中，所述防水单元包括：防水板；
所述防水板位于所述外部通风单元与所述内部通风单元之间，且所述防水板底部具有所述排水孔。
在一种可能的实现方式中，所述防水单元还包括：转动板；
所述转动板与所述排水孔相适配。
在一种可能的实现方式中，所述防水单元还包括：转动轴；
所述转动轴与所述防水板连接，所述转动板与所述转动轴可转动连接。
在一种可能的实现方式中，所述防水板包括：第一防水子板和第二防水子板，所述第一防水子板和所述第二防水子板之间具有参考夹角；
所述第一防水子板和所述第二防水子板位于所述外部通风单元与所述内部通风单元之间，且所述第一防水子板底部具有所述排水孔。
在一种可能的实现方式中，所述主架包括：第一侧板、第二侧板、顶板、底板与侧壁；
所述第一侧板与所述侧壁的一侧连接，所述第二侧板与所述侧壁的另一侧连接，所述侧壁的一端与所述顶板连接，另一端与所述底板连接；
所述侧壁具有与所述外部通风单元相适配的第一开口，以及与所述内部通风单元相适配的第二开口。
在一种可能的实现方式中，所述通风散热组件还包括：导流板；
所述导流板位于所述内部通风单元的下方，且所述导流板与所述主架的底板及所述第一侧板之间具有夹角。
在一种可能的实现方式中，所述导流板一端位于所述主架的底板与所述排水孔底部之间，所述导流板另一端与所述主架的第一侧板接触。
在一种可能的实现方式中，所述外部通风单元包括：通风板，所述通风板上具有多个通风口，所述通风板位于所述第一开口处。
在一种可能的实现方式中，所述多个通风口上具有帽檐，所述帽檐的凹面向下。
另一方面，提供了一种机电设备，所述机电设备包括上述任一所述的通风散热装置。
本申请实施例提供的技术方案带来的有益效果至少包括：
本申请实施例提供的通风散热装置，通过位于主架内的防水单元阻止外界的雨水进入待散热通风设备内，外界的空气通过外部通风单元进入主架内，待通风散热设备运行过程中产生的热量通过内部通风单元进入主架内，进行热交换。保证了设备在运行过程中的正常散热，也避免不同使用环境下雨水进入设备内，满足了机电设备在不同使用环境下的防护等级要求。
附图说明
图1是本申请实施例提供的通风散热装置结构示意图；
图2是本申请实施例提供的通风散热装置结构示意图；
图3是本申请实施例提供的通风散热装置结构示意图；
图4是本申请实施例提供的通风散热装置雨水进入后的流向示意图；
图5是本申请实施例提供的转动板、排水孔结构示意图；
图6是本申请实施例提供的防水板结构示意图；
图7是本申请实施例提供的主架结构示意图；
图8是本申请实施例提供的通风散热装置结构示意图；
图9是本申请实施例提供的通风散热装置结构示意图；
图10是本申请实施例提供的通风板结构示意图。
附图标记分别表示：
1-主架，11-第一侧板，12-第二侧板，13-顶板，14-底板，15-侧壁，2-散热组件，21-防水单元，211-排水孔，212-防水板，2121-第一防水子板，2122-第二防水子板，213-转动板，22-外部通风单元，221-通风板，23-内部通风单元，24-第一挡板，25-第二挡板，26-第三挡板，27-导流板。
具体实施方式
除非另有定义，本申请实施例所用的所有技术术语均具有与本领域技术人员通常理解的相同的含义。为使本申请的目的、技术方案和优点更加清楚，下面将结合附图对本申请实施方式作进一步地详细描述。
在设备防护应用中，有部分机电设备具有特殊的使用要求。例如，箱式变电站。箱式变电站的使用环境为室外，且对防护等级有一定的要求。例如，要求防尘等级为5级，是指在这个等级内无法防止灰尘浸入，但浸入的灰尘量不会影响设备的正常运作。要求防水等级为4级，即防止各方向飞溅的水浸入。对于箱式变电站在运行过程中产生大量的热，也需要及时排出，如果不将产生的热量及时排出，会影响箱式变电站的正常工作。而要满足箱式变电站的通风、散热需要，还要避免室外环境发生变化，例如，当外界环境是风雨天气时，避免雨水不会伴随空气进入箱式变电站内，损害设备，影响设备正常工作。鉴于此，本申请实施例提供了一种通风散热装置，可以满足诸如箱式变电站类似使用环境下或使用要求的机电设备的通风、散热要求。
本申请提供了一种通风散热装置，如图1所示，该通风散热装置包括：用于与待通风散热设备连接的主架1以及位于主架1内部的通风散热组件2；
通风散热组件2包括：防水单元21、外部通风单元22与内部通风单元23；
防水单元21位于外部通风单元22与内部通风单元23之间，外部通风单元22与内部通风单元23错位布局；
防水单元21底部具有排水孔211。
本申请实施例提供的装置至少具有以下技术效果：
本申请实施例提供的通风散热装置，通过位于主架1内的防水单元21阻止外界的雨水进入待通风散热设备内，外界的空气通过外部通风单元22进入主架1内，待通风散热设备运行过程中产生的热量通过内部通风单元23进入主架1内，进行热交换。保证了设备在运行过程中的正常散热，也避免了由于使用环境不同，导致雨水进入设备内。满足了机电设备在不同使用环境下的防护等级要求。
以下将进一步地描述本申请实施例提供的通风散热装置。
本申请实施例提供的内部通风单元23与外部通风单元22错位布局。即，外部通风单元 22与内部通风单元23设置在主架1内的两侧，并相对错开一定距离。此外，还可以根据待通风散热设备应用场景的不同，实现外部通风单元22与内部通风单元23左右位置的互相调换。作为一种示例，当应用环境不同时，不需要更换通风散热装置，只需要更换外部通风单元22与内部通风单元23的左右位置即可。如此设置，提高了通风散热装置的利用效率，降低了设备使用的成本。
内部通风单元23与在主架1内的位置可以根据待通风散热设备的使用环境进行调整。
作为一种示例，当待通风散热设备中发热量较多的部件的位置相对较低时，此时，就需要调整内部通风单元23在主架1内的位置，以使通风散热装置达到对设备散热的目的。示例地，根据需要，内部通风单元23的位置可以为主架1内上方、中间或下方，但不低于外部通风单元22的位置。
本申请实施例提供的外部通风单元22与主架1之间，内部通风单元23与主架1之间均为可拆卸连接。如此，当内部通风单元23与外部通风单元22出现问题后，方便拆卸和更换。
作为一种示例，可以是内部通风单元23上具有卡扣，主架1上具有与上述卡扣相适配的卡槽，内部通风单元23与主架1卡接连接。也可以是在内部通风单元23上设置第一连接孔，主架1上具有第二连接孔，第一连接件穿过第二连接孔与第三连接孔连接内部通风单元23与主架1。示例地，第一连接孔与第二连接孔可以是螺栓孔，第一连接件可以是螺栓。
如图1所示，内部通风单元23可以是任意形状的通风箱，通风箱的形状可以是正方形、长方形等。对于内部通风单元23的形状，本申请实施例不做限定。
在一种可能的实现方式中，如图2所示，通风散热组件2还包括：由上至下错位设置的第一挡板24和第二挡板25；
第一挡板24与防水单元21顶部连接，第二挡板25位于外部通风单元22上方。
当机电设备的使用环境为室外，且室外的环境具有风雨时，此时，从外部通风单元22进入的不只是空气，还包括随风进入主架1内的雨水。
通过设置第二挡板25，将从外部通风单元22进来的大部分雨水进行隔挡。由于本申请实施例提供的装置还需要外部的空气进入主架1内，因此，通过第一挡板24与第二挡板25错位设置，可以使外部的空气进入主架1内，避免将空气完全隔挡在第一挡板24下方。
可以理解的是，第一挡板24与第二挡板25错位设置，因此，在第一挡板24与第二挡板25错开的位置之间形成一个通道，没有被第二挡板25挡住的小部分雨水通过该通道被空气带着向上运动。通过设置第一挡板24对剩余部分的雨水进行再次隔挡，减少进入主架1内的雨水量。
第二挡板25位于外部通风单元22的上方，可以避免从外部通风单元22进入的雨水进入待散热通风设备内。但第二挡板25距离外部通风单元22的距离不能太远，太远起不到挡水的作用。
作为一种示例，第一挡板24与第二挡板25之间的距离可以根据应用时的使用环境进行确定。示例地，当外界气候比较恶劣，风速较大，雨量也较大，第一挡板24与第二挡板25之间的距离可以较大，如此，可以使没有被拦截的雨水的势能降低一定程度后再进行隔挡，提高了隔挡的效率。
当外界的环境较为温和，例如，风速与雨量均较小，或者甚至没有风雨的情况下，则第一挡板24与第二挡板25之间的距离可以较小，即通过设置较小的距离就可以对来自外界的 雨水进行隔挡。且由于减小第一挡板24与第二挡板25之间的距离可以减小通风散热组件2在通风散热装置内的占用空间，进而减小通风散热装置自身的空间占用率。
第二挡板25在外部通风单元22上方的方向可以是水平的，也可以是具有一定倾角。本申请不做限定，只要能达到隔挡外界来水的作用即可。
第二挡板25位于外部通风单元22的上方，可以是挡板的一端与主架1连接，也可以是与防水单元21连接，或是与外部通风单元22、主架1均连接。
第一挡板24与防水单元21之间可以是垂直连接，也可以是成参考角度连接。示例地，第一挡板24与防水单元21之间可以呈80°、70°、75°、60°、45°等角度的连接。只要能达到对雨水的隔挡作用即可。
第一挡板24与第二挡板25的材质可以是不锈钢材质制成的板子。第一挡板24与第二挡板25的厚度可以是1厘米、2厘米等，只要能达到承受来自外界雨水的重力作用即可。需要说明的是，上述提及的第一挡板24与第二挡板25的厚度只是一种说明性示例，对于第一挡板24与第二挡板25的厚度本申请实施例不做限定。
在一种可能的实现方式中，如图3所示，通风散热组件2还包括：位于防水单元21与主架1之间的第三挡板26；
第三挡板26位于第二挡板25的下方，且与外部通风单元22之间具有参考距离。
通过设置第三挡板26，当外界环境较为恶劣，风速与雨量均较大的情况下，可以通过第三挡板26对雨水进行初步隔挡，避免由于通过外部通风单元22进入的雨水过多，第一挡板24与第二挡板25无法起到良好的隔挡作用，以使雨水进入待通风散热设备内。
通过设置第三挡板26与外部通风单元22之间具有参考距离，可以避免第三挡板26遮挡外部通风单元22，阻挡雨水进入，也隔绝了外界的空气进入。
该参考距离可以根据使用的环境进行确定。示例地，当使用环境条件恶劣，经常会有大风大雨，即风速较大，雨量也较大的情况，伴随大风进入主架1内的雨水可能较多，此时，第三挡板26与外部通风单元22之间的距离可以较小，避免过多的雨水进入主架1内，进而进入待通风散热设备内。本申请对该参考距离不做限定。
第三挡板26与第二挡板25之间的距离可以根据使用环境进行确定。示例地，当使用环境条件恶劣，经常会有大风大雨的情况，此时，伴随大风进入主架1内的雨水可能较多，此时，第三挡板26与第二挡板25之间的距离可以较大，可以使雨水先在第三挡板26与第二挡板25之间上升一定的高度，势能降低后，再对其进行隔挡，提高隔挡的效率。本申请对第三挡板26与第二挡板25之间的距离不做限定。
第三挡板26可以是与防水单元21连接，也可以是与主架1连接，还可以是与防水单元21、主架1均连接。只要是第三挡板26位于第二挡板25下方，且与外部通风单元22之间具有参考距离即可。
作为一种示例，第三挡板26与防水单元21之间，或与主架1之间可以是卡接，例如，在防水单元21上开设卡槽，第三挡板26上设置卡扣，或者在主架1上开设卡槽，在第三挡板26设置卡扣。也可以是在防水单元21上开设螺栓孔，第三挡板26与防水单元21螺栓连接，或在主架1上开设螺栓孔，第三挡板26与主架1螺栓连接等。
第三挡板26可以是与防水单元21和主架1垂直，也可以呈一定角度，例如，80°、70°、75°、60°、45°等。只要能达到挡水的作用即可。
第三挡板26的材质可以是不锈钢材质制成的板子。第三挡板26的厚度可以是1厘米、2厘米等，只要能达到承受来自外界雨水的重力作用即可。需要说明的是，上述提及的第三挡板26的厚度只是一种说明性示例，对于第三挡板26的厚度本申请实施例不做限定。
在一种可能的实现方式中，防水单元21包括：防水板212；
防水板212位于外部通风单元22与内部通风单元23之间，且防水板212底部具有排水孔211。
本申请实施例通过设置防水板212，外部通风单元22与内部通风单元23分别位于防水板212的两侧。
防水板212在外部通风单元22与内部通风单元23之间的位置不做限定，可以根据外部通风单元22与内部通风单元23的体积或尺寸大小进行确定。
作为一种示例，当主架1内的空间位置不变，内部通风单元23的尺寸较大时，外部通风单元22所占的空间就会减小，此时，防水板212在主架1内会相对靠近外部通风单元22。
图4所示为本申请实施例提供的外界雨水进入主架1内的流向。图4中箭头表示雨水进入主架1内后的走向。当外界环境为风雨天气时，且外界的风速与雨量均较大，伴随大风进入主架1内的雨水不能完全被第三挡板26、第二挡板25与第一挡板24完全隔挡，雨水在风速的作用下从第一挡板24的顶部越过后继续上升，当上升至一定位置，与主架1相遇后，由于防水板212的隔挡，雨水在大风的带动下向防水板212位于内部通风单元23的一侧发生偏转，后在重力作用下向下降落。通过防水板212底部的排水孔211流出，通过外部通风单元22排出。如此设置，可以对随风进入的雨水进行进一步的处理，避免雨水进入待通风散热设备中，影响设备的运行。
排水孔211的数量可以是多个，例如，可以在防水板212的下方开设2排、3排或4排的排水孔211。排水孔211的大小可以根据应用时的环境进行确定，例如，当待通风散热设备所处的环境较为恶劣，经常会出现大风大雨天气，此时，可能会有较多的雨水进入主架1内，且由于风速雨量较大，第三挡板26、第二挡板25与第一挡板24所能抵挡的雨水量很少，则越过第一挡板24的雨水会较多。此时，就需要开设较大尺寸的排水孔211，以达到排水的需要。
可选地，防水板212的高度低于主架1的高度。没有被第一挡板24、第二挡板25与第三挡板26隔挡下来的雨水会通过第一挡板24的另一侧下落，经排水孔211排出。因此，第一挡板24的高度应该低于主架1的高度。以避免第一挡板24的高度过高，风速不够大，雨水上升时不能通过第一挡板24的另一侧落下。
作为一种示例，防水板212的高度可以略高于第一挡板24的高度。防水板212的高度可以根据应用时设备所处的环境进行确定。
示例地，应用时，设备所处的环境气候状况比较差，大风大雨的情况较多，此时，防水板212的高度可以是设置较高，当雨水上升一定高度，势能减小后落入防水板212一侧的雨水会相对减小。
可以理解的是，防水板212的高度也需要与主架1的尺寸相适配。
在一种可能的实现方式中，如图5所示，防水单元21还包括：转动板213；
转动板213与排水孔211相适配。
本申请实施例提供的转动板213，当转动板213转动至排水孔211时，排水孔211被关 闭，当转动板213远离排水孔211时，排水孔211被打开。
可以理解的是，当外界环境的风速雨量较大时，如果排水孔211一直打开，则会使部分雨水直接经过排水孔211进入防水板212的另一侧。因此，通过设置转动板213，当外部通风单元22具有风雨进入时，由于风力作用，转动板213在风力和雨水重力冲击下向排水孔211转动，进而关闭排水孔211，使雨水不从排水孔211内进入。当风速与雨量减小后，风力和雨水的冲击作用也相应的减小，位于防水板212另一侧的雨水在重力作用下冲击转动板213，转动板213远离排水孔211，排水孔211打开，雨水被排出。
转动板213在转向排水孔211时在风雨的作用力下要将排水孔211封闭，因此，转动板213与排水孔211相适配。
示例地，当排水孔211为圆形的排水孔时，转动板213可以是正方形、长方形、圆形的板子，但是要保证转动板213的表面积大于排水孔211的全部开口。
本申请实施例提供了一种示例，参见图5，排水孔211可以是在防水板212上开设的多排的呈长方形的水孔，转动板213可以是与长方形水孔相适配的长方形的板子。
转动板213在转至防水板212时需要将位于防水板212另一侧的雨水挡住，因此，转动板213需为能承受一定压力的板子。示例地，可以是不锈钢材质的板子或聚氯乙烯材质的板子。但是转动板213的重量不能太重，太重会导致进入主架1内风雨的作用力较小时不能使转动板213转动关闭排水孔211。
由于转动板213是在从外部通风单元22进入的风雨的作用力下进行转动，实现对排水孔211的封闭和打开。因此，转动板213的长度不能太长，太长会遮挡外部通风单元22，影响空气的进入，不能实现转动。转动板213的长度也不能太短，太短会导致受力面积过小，不能实现转动。
作为一种示例，转动板213的高度与排水孔211的高度相适配，长度与排水孔211的大小相适配。即，转动板213的长度既能具有足够的受力面积，可以发生转动，又不影响通风散热装置的正常工作。本申请实施例对转动板213的尺寸不做限定。
在一种可能的实现方式中，防水单元21还包括：转动轴；
转动轴与防水板212连接，转动板213与转动轴可转动连接。
本申请实施例提供的转动轴与防水板212连接，再与转动板213可转动连接，以达到转动板213可以沿转动轴转动的目的。
作为一种示例，本申请实施例提供的转动轴可以为铰链，铰链的一端与防水板212连接，另一端与转动板213连接，转动板213可以通过铰链与防水板212连接，并实现相对转动。
示例地，本申请提供的铰链可以为阻尼交联，在实现可转动的功能时，可以减小铰链转动时产生的噪音。
在一种可能的实现方式中 ，如图6所示，防水板212包括：第一防水子板2121和第二防水子板2122第一防水子板2121和第二防水子板2122之间具有参考夹角；
第一防水子板2121和第二防水子板2122位于外部通风单元22与内部通风单元23之间，且第一防水子板2121底部具有排水孔211。
本申请实施例提供的第一防水子板2121与第二防水子板2122均为具有一定厚度的挡板。第一防水子板2121与第二防水子板2122之间可以是呈90°角度连接，也可以是30°、40°、45°、60°等角度的连接。
本申请实施例提供的第一挡板24与第一防水子板2121连接，或与第二防水子板2122连接，或与两者均连接。第一防水子板2121可以与主架1连接，也可以只与第二防水子板2122连接。第一挡板24与第一防水子板2121之间的角度可以通过调整两者中的任一个的位置来调整。
第一防水子板2121要对来自外界的雨水进行隔挡，因此，第一防水子板2121与主架1之间应该保证封闭，避免雨水通过第一防水子板2121与主架1之间的缝隙直接进入内部通风单元23的下方。
本申请实施例提供的第二挡板25与第二防水子板2122连接，且位于防水单元21上方；第三挡板26与第一防水子板2121连接。
由于第二挡板25与第三挡板26之间错位连接，因此，在第二挡板25与第三挡板26错开的位置之间、第一防水子板2121与第二防水子板2122之间会形成通道，没有被挡住的雨水会从第二挡板25与第三挡板26错开的位置之间、第一防水子板2121与第二防水子板2122之间形成的通道上升。再通过第一挡板24隔挡之后在风力作用下偏向内部通风单元23的一侧，通过第一防水子板2121下方的排水孔211排出。
第二挡板25与第二防水子板2122之间，第三挡板26与第一防水子板2121之间均可以是可拆卸连接，例如可以是卡接、螺栓连接等。
在一种可能的实现方式中，如图7所示，主架1包括：第一侧板11、第二侧板12、顶板13、底板14与侧壁15；
第一侧板11与侧壁15的一侧连接，第二侧板12与侧壁15的另一侧连接，侧壁15的一端与顶板13连接，另一端与底板14连接；
侧壁15具有与外部通风单元22相适配的第一开口，以及与内部通风单元23相适配的第二开口。
本申请实施例提供的主架1通过第一侧板11、第二侧板12、顶板13、底板14与侧壁15形成了一个半开放的容纳空间。防水单元21位于容纳空间内，对进入容纳空间内的雨水进行处理，避免雨水进入待通风散热设备中。
第一侧板11、第二侧板12与主架1的侧壁15之间、侧壁15与底板14之间、侧壁15与顶板13之间均可以是可拆卸连接。示例地，可以是螺栓连接。例如，侧壁15与第一侧板11、第二侧板12上均具有螺栓孔。也可以是铆接、卡接等。采用上述连接方式，当待通风散热设备的体积较大或较小时，可以方便拆卸进行调换，或，当装置出现损坏时可以进行拆卸与更换。
本申请实施例提供的主架1的大小根据实际应用时待通风散热设备的尺寸进行确定。
作为一种示例，当待通风散热设备为箱式变电站时，主架1侧壁15的高度与箱式变电站的高度相适配，宽度与箱式变电站内变压器的大小或电机的大小相适配。第一侧板11、第二侧板12的高度与箱式变电站的高度相适配。本申请实施例不做限定。
本申请实施例提供的主架1用于与待通风散热设备连接，作为一种示例，当与待通风散热设备连接时，通过第一侧板11、第二侧板12、顶板13、底板14与待通风散热设备可拆卸连接。示例地，可以是在两个侧板11、顶板13、底板14上开设螺栓孔，待通风散热设备与主架1连接的壳体上开设与上述螺栓孔相适配的螺栓孔。也可以是在第一侧板11、第二侧板12、顶板13、底板14上设置卡扣，在待通风散热设备与主架1连接的壳体上开设与上述卡 扣相适配的卡槽。
主架1的材质可以是不锈钢材质制成的主架，在外界环境中可以抵抗雨水的腐蚀，且不锈钢材质的主架可以减轻通风散热装置的整体重量，当应用于需要移动的设备时，减轻了设备的整体重量。也可以是其它合金材料制成的主架，只要能满足抵抗外界的雨水腐蚀，具有一定的强度和硬度材质的主架均可。
在一种可能的实现方式中，如图8所示，通风散热组件2还包括：导流板27；
导流板27位于内部通风单元23的下方，且导流板27与主架1的底板14及第一侧板11之间具有夹角。
通过本申请实施例提供的导流板27，将雨水引导至第一防水子板2121下方的排水孔211。加速积水的外排，提高外排水效率。或者当第一侧板11一侧的积水很少，在水平放置的主架1内很难排出时，通过导流板27可以将积水迅速排出。
导流板27的厚度可以根据应用时，待通风散热设备的应用环境进行确定。示例地，当待通风散热设备的应用环境会出现较多的风雨时，进入第一侧板11一侧的雨水量会较多，因此导流板27的厚度可以较厚。示例地，可以是2厘米、3厘米等。当待通风散热设备的应用环境的风雨较小时，进入第一侧板11一侧的风速与雨水量会较小，因此导流板27的厚度可以较薄。示例地，可以是0.5厘米、1厘米等。需要说明的是，上述厚度只是一种示例，本申请实施例对导流板27的厚度不做限定。
导流板27的宽度可以与排水孔211的大小相适配。以使从导流板27上流下的积水可以直接进入排水孔211。
导流板27与主架1的底板14及第一侧板11之间具有夹角。如图9所示，可以是将导流板27的一端位于主架1的底板14的任一位置，另一端靠在主架1的第一侧板11上。
作为一种示例，可以是导流板27的一端与靠在主架1的第一侧板11上，另一端放置于主架1的底板14上。可以通过移动导流板27在底板14上的位置，示例地，可以是向靠近第一防水子板2121或远离第一防水子板2121的方向移动，以调整导流板27与第一侧板11之间的夹角，进而调整导流板27的导流能力。
作为一种示例，导流板27的一端在主架1的底板14上容易滑动，可以在调整好导流的角度后，将一端与主架1的底板14进行连接。
在一种可能的实现方式中，导流板27一端位于主架1的底板14与排水孔211底部之间，导流板27另一端与主架1的第一侧板11接触。
可以理解的是，导流板27是对第一防水子单元2121一侧的水实现导流目的，因此导流板27应该位于排水孔211的底部与主架1的底板14之间，而不能堵住排水孔211。
导流板27的另一端与主架1的第一侧板11可以是设置好导流的角度后连接，也可以是放置于第一侧板11上，与第一侧板11接触即可。
在一种可能的实现方式中，如图10所示，外部通风单元22包括：通风板221；通风板221上具有通风口，通风板221位于第一开口处。
可选地，通风板221与主架1之间可以是固定连接，例如将通风板221焊接在主架1的第一开口处。如此设置，当通风散热装置受到碰撞或撞击时，通风板221不会掉落，保证了通风散热装置的稳定性。
通风板221与主架1之间也可以是可拆卸连接，当通风口被堵塞时，方便拆卸更换。
本申请实施例提供的通风散热装置使用的环境可以为室内，也可以为室外。当使用环境为室外时，由于气候变化，可能会出现风雨情况。鉴于此，通风板221的材质可以是不锈钢材质制成的板子，也可以是铝合金等不容易被雨水腐蚀的材质制成的板子。如此，可以提高装置的使用寿命，也可以降低装置的制作成本。
通风板221的形状可以是正方形、长方形、梯形或不规则形状的板子，通风板221的形状与第一开口的形状相适配即可，本申请实施例不做限定。
通风板221的大小可以根据应用时待通风散热设备的情况进行确定。作为一种示例，当待通风散热设备为较大的箱式变电站时，由于箱式变电站内装入的变压器或高压电器设备的功率较大，产生的热量就会较多，需要进入通风散热装置换热的空气量就较多。此时，通风板221的尺寸可以较大，以满足较多的空气进入主架1内。
当待通风散热设备为小功率的电机时，由于电机的功率较小，产生的热量也较少，需要散热的空气含量相对也会较少。此时，通风板221可以设置的较小，既能满足换热的空气含量，又不影响在装置的空间占用率。
通过在通风板221上设置多个通风孔，可以将外界空气中的尘土、杂质等进行隔离，对进入主架1内的空气进行初步过滤，避免空气中的尘土、杂质等堵塞主架1，影响通风散热装置的正常工作。
通风孔的大小可以根据应用时的场景进行确定。示例地，当本申请实施例提供的通风散热装置应用于箱式变电站时，由于箱式变电站的应用环境不同，遇到的气候情况也不同，当箱式变电站位于环境较差的山区地方时，此时，可能由于雨水中参杂的杂质较大、较杂，空气进入散热框架1内比较困难。此时，通风口的直径可以设置较大，方便外界的空气进入主架1内。
通风孔的形状可以是圆形、三角形、正方形、长方形、星形等多种形状，可以根据实际应用的场景进行设置。示例地，当本申请实施例提供的装置用于箱式变电站，且该箱式变电站位于城市重要位置或居民生活区域时，此时，通风孔的形状可以根据周围的环境进行确定。可以提高与周围环境的融入程度。
在一种可能的实现方式中，多个通风孔上均具有帽檐，帽檐的凹面朝向地面。
通过在多个通风孔上设置帽檐，可以对来自外界的杂物，例如，伴随大风吹来的棉线、纸巾、丝线或树叶等杂物进行遮挡。
可以理解的是，当外界环境为风雨天气时，通过通风孔上的帽檐也可以对部分的雨水进行遮挡，从源头上减少了进入主架1内的雨水的量，但又不影响外界的空气进入主架1内。
帽檐的大小与通风孔的大小相适配，以达到更好的遮挡效果。
可选地，多个通风孔上均具有过滤网。
通过在多个通风孔上均设置过滤网，可以对进入主架1内的空气进行再次过滤，过滤掉空气中的大颗粒杂质。当外界环境为风雨天气或冰雹天气时，可以阻挡部分的雨水与冰雹，也可以对大风夹杂着的雨水中的杂物进行过滤。
示例地，过滤网可以是与通风孔的孔壁粘接，也可以是与整个通风板221粘接。
过滤网的网孔不能太小，太小的话会阻挡外界的空气进入主架1内，降低装置的散热效率。太大的话会导致粒径较大的尘土或杂质进入主架1内，影响装置的正常工作。过滤网网孔的大小可以根据待通风散热设备的使用环境进行确定，本申请实施例不做限定。
在一种可能的实现方式中，外部通风单元22还包括：连接件，通风板221与主架1通过连接件连接。
作为一种示例，本申请实施例提供的连接件可以是卡扣，通风板221与主架1之间可以是卡接连接。连接件也可以是螺栓，在主架1上具有螺栓孔，通风板221与主架1之间通过螺栓连接。当通风板221出现堵塞或损坏时方便拆卸、更换。
另一方面，本申请实施例提供了一种机电设备，该设备包括上述任一项的通风散热装置。
本申请实施例提供的机电设备，通过通风散热装置对机电设备内产生的热量进行热交换，以使该机电设备高效运行。
上述所有可选技术方案，可以采用任意结合形成本公开的可选实施例，在此不再一一赘述。
以上所述仅为本申请的说明性实施例，并不用以限制本申请的保护范围，凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (13)

  1. 一种通风散热装置，其特征在于，所述通风散热装置包括：用于与待通风散热设备连接的主架(1)以及位于所述主架(1)内部的通风散热组件(2)；
    所述通风散热组件(2)包括：防水单元(21)、外部通风单元(22)与内部通风单元(23)；
    所述防水单元(21)位于所述外部通风单元(22)与所述内部通风单元(23)之间，所述外部通风单元(22)与所述内部通风单元(23)错位布局；
    所述防水单元(21)底部具有排水孔(211)。
  2. 根据权利要求1所述的通风散热装置，其特征在于，所述通风散热组件(2)还包括：由上至下错位设置的第一挡板(24)和第二挡板(25)；
    所述第一挡板(24)与所述防水单元(21)顶部连接，所述第二挡板(25)位于所述外部通风单元(22)上方。
  3. 根据权利要求1或2所述的通风散热装置，其特征在于，所述通风散热组件(2)还包括：位于所述防水单元(21)与所述主架(1)之间的第三挡板(26)；
    所述第三挡板(26)位于所述第二挡板(25)的下方，且与所述外部通风单元(22)之间具有参考距离。
  4. 根据权利要求1-3任一所述的通风散热装置，其特征在于，所述防水单元(21)包括：防水板(212)；
    所述防水板(212)位于所述外部通风单元(22)与所述内部通风单元(23)之间，且所述防水板(212)底部具有所述排水孔(211)。
  5. 根据权利要求4所述的通风散热装置，其特征在于，所述防水单元(21)还包括：转动板(213)；
    所述转动板(213)与所述排水孔(211)相适配。
  6. 根据权利要求5所述的通风散热装置，其特征在于，所述防水单元(21)还包括：转动轴；
    所述转动轴与所述防水板(212)连接，所述转动板(213)与所述转动轴可转动连接。
  7. 根据权利要求4-6任一所述的通风散热装置，其特征在于，所述防水板(212)包括：第一防水子板(2121)和第二防水子板(2122)，所述第一防水子板(2121)和所述第二防水子板(2122)之间具有参考夹角；
    所述第一防水子板(2121)和所述第二防水子板(2122)位于所述外部通风单元(22)与所述内部通风单元(23)之间，且所述第一防水子板(2121)底部具有所述排水孔(211)。
  8. 根据权利要求1-7任一所述的通风散热装置，其特征在于，所述主架(1)包括：第一侧板(11)、第二侧板(12)、顶板(13)、底板(14)与侧壁(15)；
    所述第一侧板(11)与所述侧壁(15)的一侧连接，所述第二侧板(12)与所述侧壁(15)的另一侧连接，所述侧壁(15)的一端与所述顶板(13)连接，另一端与所述底板(14)连接；
    所述侧壁(15)具有与所述外部通风单元(22)相适配的第一开口，以及与所述内部通风单元(23)相适配的第二开口。
  9. 根据权利要求8所述的通风散热装置，其特征在于，所述通风散热组件(2)还包括：导流板(27)；
    所述导流板(27)位于所述内部通风单元(23)的下方，且所述导流板(27)与所述主架(1)的底板(14)及所述第一侧板(11)之间具有夹角。
  10. 根据权利要求9所述的通风散热装置，其特征在于，所述导流板(27)一端位于所述主架(1)的底板(14)与所述排水孔(211)底部之间，所述导流板(27)另一端与所述主架(1)的第一侧板(11)接触。
  11. 根据权利要求8所述的通风散热装置，其特征在于，所述外部通风单元(22)包括：通风板(221)，所述通风板(221)上具有多个通风口，所述通风板(221)位于所述第一开口处。
  12. 根据权利要求11所述的通风散热装置，其特征在于，所述多个通风口上具有帽檐，所述帽檐的凹面向下。
  13. 一种机电设备，其特征在于，所述机电设备包括权利要求1-12任一所述的通风散热装置。
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CN110012642B (zh) 2020-08-14
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US20210345522A1 (en) 2021-11-04
CN110012642A (zh) 2019-07-12

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