CN116146512B - A blowing and suction integrated fan - Google Patents

A blowing and suction integrated fan

Info

Publication number
CN116146512B
CN116146512B CN202310214528.8A CN202310214528A CN116146512B CN 116146512 B CN116146512 B CN 116146512B CN 202310214528 A CN202310214528 A CN 202310214528A CN 116146512 B CN116146512 B CN 116146512B
Authority
CN
China
Prior art keywords
air guide
impeller
air
cover
blowing
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN202310214528.8A
Other languages
Chinese (zh)
Other versions
CN116146512A (en
Inventor
赵得宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Nengbowang Power Technology Co ltd
Original Assignee
Dongguan Nengbowang Power Technology Co ltd
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 Dongguan Nengbowang Power Technology Co ltd filed Critical Dongguan Nengbowang Power Technology Co ltd
Priority to CN202310214528.8A priority Critical patent/CN116146512B/en
Publication of CN116146512A publication Critical patent/CN116146512A/en
Application granted granted Critical
Publication of CN116146512B publication Critical patent/CN116146512B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/163—Combinations of two or more pumps ; Producing two or more separate gas flows driven by a common gearing arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/403—Casings; Connections of working fluid especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The blowing and sucking integrated fan comprises a shell, wherein a first air guide assembly and a second air guide assembly are respectively arranged at the front end and the rear end of the shell, a driving unit is arranged in the shell, the first air guide assembly comprises a first air guide cover and a first movable impeller, the first air guide cover is connected with the front end of the shell and covers the first movable impeller, the first movable impeller is connected with a first power output end of the driving unit to obtain power, the second air guide assembly comprises a second air guide cover and a second movable impeller, the second air guide cover is connected with the rear end of the shell and covers the second movable impeller, and the second movable impeller is connected with a second power output end of the driving unit to obtain power. The blowing and sucking integrated fan has the advantages that the blowing and sucking integrated fan can be used for two purposes, simultaneously the blowing and sucking functions are met, fan materials are effectively utilized, and materials are saved. The space of the terminal product is saved, thereby reducing the volume of the product. One machine is dual-purpose, can blow and suck, and is convenient to use.

Description

Blowing and sucking integrated fan
Technical Field
The invention belongs to the field of driving devices, and particularly relates to a blowing and sucking integrated fan.
Background
Most of the conventional fans are used for unidirectional air outlet, and air is sucked from the front end and then discharged from the rear end by adopting an impeller for fixing the air guiding direction, so that unidirectional high-speed air flow is formed, the product matched with the fans usually only has one of sucking and blowing functions, and each direction is matched with one fan for realizing the functions of blowing and sucking, so that the volume of the product is increased, the difficulty of design and production is improved, and meanwhile, the cost is increased.
Disclosure of Invention
In order to solve the problems, the invention provides a blowing and sucking integrated fan.
The invention adopts the following technical scheme:
A blowing and sucking integrated fan comprises a shell, wherein a first air guide assembly and a second air guide assembly are respectively arranged at the front end and the rear end of the shell, a driving unit for driving the first air guide assembly and the second air guide assembly is arranged in the shell, the first air guide assembly comprises a first air guide cover and a first movable impeller, the first air guide cover is connected with the front end of the shell and covers the first movable impeller, the first movable impeller is connected with a first power output end of the driving unit to obtain power, the second air guide assembly comprises a second air guide cover and a second movable impeller, the second air guide cover is connected with the rear end of the shell and covers the second movable impeller, and the second movable impeller is connected with a second power output end of the driving unit to obtain power.
Optionally, the first impeller is a centrifugal impeller.
Optionally, the second impeller is an axial flow impeller.
Optionally, a second air duct and a third air duct located at the periphery of the second air duct are arranged in the second air guide cover.
Optionally, a plurality of second guide vanes which are obliquely arranged are arranged in the second air duct.
Optionally, a plurality of third guide vanes axially arranged along the second air guide cover are arranged in the third air duct, and the width of the middle part of each third guide vane is larger than that of the end part of each third guide vane, so that an air duct with wide ends and narrow middle part is formed.
Optionally, the shell comprises a first end cover and a second end cover which is connected with the first end cover in a matching way, wherein a first air duct is arranged at the edge of the first end cover, and a plurality of first guide vanes which are obliquely arranged are arranged in the first air duct.
Optionally, a first air port for air to flow in and out is formed in the first air guide cover.
Optionally, the driving unit comprises a stator, a rotor, a bearing and a wiring board, wherein the rotor is arranged in the stator in a penetrating way, the part of the rotor positioned in the stator is provided with a magnet, the bearing is respectively arranged on the first end cover and the second end cover, the first power output end of the rotor passes through the bearing positioned on the first end cover and then is connected with the first movable impeller, the second power output end of the rotor passes through the bearing positioned on the second end cover and then is connected with the second movable impeller, and the wiring board is arranged on the stator.
The blowing and sucking integrated fan has the advantages that the blowing and sucking integrated fan can be used for one machine, simultaneously the blowing and sucking functions are met, and in practical application, the motor is integrated with the blowing and sucking, so that fan materials are efficiently utilized, and compared with a conventional motor, the space and the materials are saved. Meanwhile, for the terminal product, the space is saved because of the integration characteristic of the motor, so that the product volume is reduced. For the user, the utility model has the advantages of two functions, namely blowing and sucking, and convenient use.
Drawings
FIG. 1 is a schematic diagram of a split state structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of a first end cap according to the present invention;
FIG. 4 is a schematic view of the cross-sectional structure A-A in FIG. 3;
FIG. 5 is a schematic view of a second air guiding cover according to the present invention;
FIG. 6 is a schematic view of the cross-sectional structure B-B in FIG. 5;
FIG. 7 is a schematic view of the cross-sectional structure of C-C in FIG. 5.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Examples
As shown in figures 1 and 2, the blowing and sucking integrated fan comprises a machine shell 1, wherein a first air guide assembly 2 and a second air guide assembly 3 are respectively arranged at the front end and the rear end of the machine shell 1, a driving unit 4 for driving the first air guide assembly 2 and the second air guide assembly 3 is arranged in the machine shell 1, the first air guide assembly 2 comprises a first air guide cover 21 and a first movable impeller 22, the first air guide cover 21 is connected with the front end of the machine shell 1 and covers the first movable impeller 22, the first movable impeller 22 is connected with a first power output end 4a of the driving unit 4 to obtain power, the second air guide assembly 3 comprises a second air guide cover 31 and a second movable impeller 32, the second air guide cover 31 is connected with the rear end of the machine shell 1 and covers the second movable impeller 32, and the second movable impeller 32 is connected with a second power output end 4b of the driving unit 4 to obtain power.
Because the first impeller 22 and the second impeller 32 are driven by the driving unit 4 to rotate in the same direction, according to different rotation directions of the driving unit 4, airflows in different directions can be generated, and the airflows can be sucked into the casing 1 by the first air guide assembly 2 and then discharged by the second air guide assembly 3, or sucked into the casing 1 by the second air guide assembly 3 and then discharged by the first air guide assembly 2, and the rotation directions of the driving unit 4 can be adjusted according to use requirements to obtain airflows in corresponding directions.
As shown in fig. 1, the first air guide cover 21 is provided with a first air inlet 211 for allowing air to flow in and out, the first air guide cover 21 is located at the front end of the fan, and after the air is sucked into the first air guide cover 21, the first moving impeller 22 rotating at a high speed accelerates the air flow and flows towards the rear end of the fan, or the air flow flowing at a high speed flows out from the first air guide cover 21.
As shown in fig. 1, the first impeller 22 is preferably a centrifugal impeller, and the strong negative pressure formed draws the air flow from the first air port 211.
As shown in fig. 1, the second impeller 32 is preferably an axial flow impeller, which accelerates the passing airflow axially, thereby increasing the air outlet/inlet efficiency.
Through the collocation of centrifugal impeller and axial flow impeller, make the motor all can obtain stronger air current accelerating ability under different drive directions to avoid single impeller forward and backward to rotate inefficiency even the condition of inefficacy.
As shown in fig. 1, 3 and 4, the casing 1 includes a first end cover 11 and a second end cover 12 cooperatively connected with the first end cover 11, a first air duct 111 is disposed at an edge of the first end cover 11, and a plurality of first guide vanes 112 disposed in an inclined manner are disposed in the first air duct 111, so as to reduce air resistance of air flow and improve fluid efficiency of air flow.
As shown in fig. 1 and 2, the driving unit 4 includes a stator 41, a rotor 42, a bearing 43 and a wiring board 44, the rotor 42 is penetrated in the stator 41, a magnet 45 is disposed at a portion of the rotor 42 located in the stator 41, the bearing 43 is disposed on the first end cover 11 and the second end cover 12, the first power output end 4a of the rotor 42 is connected to the first moving impeller 22 after penetrating through the bearing 43 located on the first end cover 11, the second power output end 4b of the rotor 42 is connected to the second moving impeller 32 after penetrating through the bearing 43 located on the second end cover 12, and the wiring board 44 is disposed on the stator 41 to provide a required working current for a coil in the stator 41 to generate a magnetic field, so as to drive the rotor 42 with the magnet 45 to rotate.
As shown in fig. 5, 6 and 7, a second air duct 311 and a third air duct 312 located at the periphery of the second air duct 311 are disposed in the second air duct 31, a plurality of second guide vanes 313 disposed in an inclined manner are disposed in the second air duct 311, and a plurality of third guide vanes 314 disposed along the axial direction of the second air duct 31 are disposed in the third air duct 312. The width of the middle part of the third guide vane 314 is greater than that of the end part of the third guide vane 314, so that a ventilation channel with wide ends and narrow middle part is formed, the entering air flow is compressed when passing through the narrow part of the middle part, and then an accelerating air flow is generated at a wider outlet to increase the air outlet speed.
The second air guiding cover 31 respectively meets the air flow requirements when the first moving impeller 22 and the second moving impeller 32 generate different flow rates by arranging a third air duct 312 at the periphery of the second air duct 311, so as to compensate the air quantity and the air speed generated by the first moving impeller 22 and the second moving impeller 32, reduce loss in an air guiding system, and fully exert and efficiently utilize the air quantity and the air speed generated by the impellers.
The inclined arrangement of the first guide vane 112 and the second guide vane 313 means that the first guide vane and the second guide vane are arranged at a certain included angle or have a changing radian with the central axis of the fan.
The blowing and sucking integrated fan has the advantages that the blowing and sucking integrated fan can be used for one machine, simultaneously the blowing and sucking functions are met, and in practical application, the motor is integrated with the blowing and sucking, so that fan materials are efficiently utilized, and compared with a conventional motor, the space and the materials are saved. Meanwhile, for the terminal product, the space is saved because of the integration characteristic of the motor, so that the product volume is reduced. For the user, the utility model has the advantages of two functions, namely blowing and sucking, and convenient use.

Claims (6)

1.一种吹吸一体式风机，其特征在于，包括：机壳(1)，所述机壳(1)的前后端分别设置有第一导风组件(2)和第二导风组件(3)，所述机壳(1)内设置有驱动第一导风组件(2)和第二导风组件(3)的驱动单元(4)；所述第一导风组件(2)包括第一导风罩(21)和第一动叶轮(22)，所述第一导风罩(21)与机壳(1)前端连接并罩设在第一动叶轮(22)上，所述第一动叶轮(22)与驱动单元(4)的第一动力输出端(4a)连接获取动力；所述第二导风组件(3)包括：第二导风罩(31)和第二动叶轮(32)，所述第二导风罩(31)与机壳(1)后端连接并罩设在第二动叶轮(32)上，所述第二动叶轮(32)与驱动单元(4)的第二动力输出端(4b)连接获取动力；1. A blower-suction integrated fan, characterized in that it comprises: a casing (1), wherein the front and rear ends of the casing (1) are respectively provided with a first air guide assembly (2) and a second air guide assembly (3), and a driving unit (4) for driving the first air guide assembly (2) and the second air guide assembly (3) is provided in the casing (1); the first air guide assembly (2) comprises a first air guide cover (21) and a first impeller (22), the first air guide cover (21) is connected to the front end of the casing (1) and is covered on the first impeller (22), and the first impeller (22) is connected to the first power output end (4a) of the driving unit (4) to obtain power; the second air guide assembly (3) comprises a second air guide cover (31) and a second impeller (32), the second air guide cover (31) is connected to the rear end of the casing (1) and is covered on the second impeller (32), and the second impeller (32) is connected to the second power output end (4b) of the driving unit (4) to obtain power; 所述第一动叶轮(22)为离心式叶轮；The first impeller (22) is a centrifugal impeller; 所述第二导风罩(31)内设置有第二风道(311)和位于第二风道(311)外围的第三风道(312)；The second air guide cover (31) is provided with a second air duct (311) and a third air duct (312) located outside the second air duct (311); 所述第三风道(312)内设置有多个沿第二导风罩(31)轴向设置的第三导叶(314)，所述第三导叶(314)中部的宽度大于第三导叶(314)端部的宽度，形成两端宽中部窄的通风道。A plurality of third guide vanes (314) are arranged in the third air duct (312) along the axial direction of the second air guide cover (31), and the width of the middle portion of the third guide vanes (314) is greater than the width of the end portion of the third guide vanes (314), forming a ventilation duct that is wide at both ends and narrow in the middle. 2.根据权利要求1所述的吹吸一体式风机，其特征在于，所述第二动叶轮(32)为轴流式叶轮。2. The integrated blowing and suction fan according to claim 1, characterized in that the second impeller (32) is an axial flow impeller. 3.根据权利要求1所述的吹吸一体式风机，其特征在于，所述第二风道(311)内设置有多个倾斜设置的第二导叶(313)。3. The integrated blowing and suction fan according to claim 1 is characterized in that a plurality of second guide vanes (313) arranged at an angle are provided in the second air duct (311). 4.根据权利要求1所述的吹吸一体式风机，其特征在于，所述机壳(1)包括：第一端盖(11)以及与第一端盖(11)配合连接的第二端盖(12)，所述第一端盖(11)的边缘设置有第一风道(111)，所述第一风道(111)内设置有多个倾斜设置的第一导叶(112)。4. The integrated blowing and suction fan according to claim 1 is characterized in that the casing (1) includes: a first end cover (11) and a second end cover (12) connected to the first end cover (11), a first air duct (111) is provided on the edge of the first end cover (11), and a plurality of inclined first guide vanes (112) are provided in the first air duct (111). 5.根据权利要求1所述的吹吸一体式风机，其特征在于，所述第一导风罩(21)上开设有让气流进出的第一风口(211)。5. The integrated blower and suction fan according to claim 1, characterized in that a first air outlet (211) for air flow in and out is provided on the first air guide cover (21). 6.根据权利要求4所述的吹吸一体式风机，其特征在于，所述驱动单元(4)包括：定子(41)、转子(42)、轴承(43)和接线板(44)，所述转子(42)穿设在定子(41)内，所述转子(42)位于定子(41)内的部分设置有磁体(45)，所述轴承(43)分别设置在第一端盖(11)和第二端盖(12)上，所述转子(42)的第一动力输出端(4a)穿过位于第一端盖(11)上的轴承(43)后与第一动叶轮(22)连接，所述转子(42)的第二动力输出端(4b)穿过位于第二端盖(12)上的轴承(43)后与第二动叶轮(32)连接，所述接线板(44)设置在定子(41)上。6. The blower-suction integrated fan according to claim 4 is characterized in that the drive unit (4) comprises: a stator (41), a rotor (42), a bearing (43) and a terminal block (44), the rotor (42) is inserted into the stator (41), the part of the rotor (42) located in the stator (41) is provided with a magnet (45), the bearing (43) is respectively arranged on the first end cover (11) and the second end cover (12), the first power output end (4a) of the rotor (42) passes through the bearing (43) located on the first end cover (11) and is connected to the first impeller (22), the second power output end (4b) of the rotor (42) passes through the bearing (43) located on the second end cover (12) and is connected to the second impeller (32), and the terminal block (44) is arranged on the stator (41).
CN202310214528.8A 2023-03-08 2023-03-08 A blowing and suction integrated fan Active CN116146512B (en)

Priority Applications (1)

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CN116146512B true CN116146512B (en) 2025-08-29

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU675196A2 (en) * 1972-09-29 1979-07-25 Институт Горной Механики И Технической Кибернетики Им. М.М.Федорова Centrifugal-centripetal machine
US4321008A (en) * 1979-11-16 1982-03-23 The Garrett Corporation Wide range compressor
JPH08219087A (en) * 1995-02-10 1996-08-27 Hitachi Ltd Electric blower
CN111664099A (en) * 2020-07-13 2020-09-15 东莞市能博旺动力科技有限公司 A special DC brushless motor for vacuum cleaners
CN219529353U (en) * 2023-03-08 2023-08-15 东莞市能博旺动力科技有限公司 Blowing and sucking integrated fan

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7605580B2 (en) * 2019-01-17 2024-12-24 日立グローバルライフソリューションズ株式会社 Electric blower and vacuum cleaner equipped with same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU675196A2 (en) * 1972-09-29 1979-07-25 Институт Горной Механики И Технической Кибернетики Им. М.М.Федорова Centrifugal-centripetal machine
US4321008A (en) * 1979-11-16 1982-03-23 The Garrett Corporation Wide range compressor
JPH08219087A (en) * 1995-02-10 1996-08-27 Hitachi Ltd Electric blower
CN111664099A (en) * 2020-07-13 2020-09-15 东莞市能博旺动力科技有限公司 A special DC brushless motor for vacuum cleaners
CN219529353U (en) * 2023-03-08 2023-08-15 东莞市能博旺动力科技有限公司 Blowing and sucking integrated fan

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