WO2022116240A1 - 一种蜗壳风机及其应用的排气扇 - Google Patents

一种蜗壳风机及其应用的排气扇 Download PDF

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Publication number
WO2022116240A1
WO2022116240A1 PCT/CN2020/135066 CN2020135066W WO2022116240A1 WO 2022116240 A1 WO2022116240 A1 WO 2022116240A1 CN 2020135066 W CN2020135066 W CN 2020135066W WO 2022116240 A1 WO2022116240 A1 WO 2022116240A1
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WO
WIPO (PCT)
Prior art keywords
volute
plate
motor
fan
side plate
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.)
Ceased
Application number
PCT/CN2020/135066
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English (en)
French (fr)
Inventor
贾洪雨
战会军
张善儿
温选锋
雷威
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.)
Zhongshan Broad Ocean Motor Co Ltd
Original Assignee
Zhongshan Broad Ocean Motor 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 Zhongshan Broad Ocean Motor Co Ltd filed Critical Zhongshan Broad Ocean Motor Co Ltd
Priority to US17/518,563 priority Critical patent/US12085090B2/en
Publication of WO2022116240A1 publication Critical patent/WO2022116240A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression
    • 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
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • 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
    • 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
    • F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
    • 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
    • F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
    • F04D29/283—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis rotors of the squirrel-cage type
    • 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
    • F04D29/30—Vanes
    • 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
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps

Definitions

  • the utility model relates to a volute fan and an exhaust fan used therefor.
  • the existing exhaust fan includes a box body and a volute fan installed in the box body.
  • the top of the box body is provided with an air inlet, and the outer side of the box body is provided with an air outlet.
  • the volute fan includes a volute, a motor and a wind wheel.
  • the wind wheel is installed in the volute, and the volute is surrounded by iron sheets.
  • the iron sheet is provided with an air outlet, and the air outlet is arranged at the air outlet.
  • There is a mounting plate in the box and the mounting plate is provided with an air inlet. It is hoisted in the box by the mounting plate, and the rotating shaft of the motor is connected with the wind wheel.
  • the rotating shaft of the motor drives the wind wheel to rotate, and the air entering the air inlet flows out from the air outlet through the air inlet, and then discharges from the air outlet.
  • the motor needs to be hoisted by the installation plate.
  • the installation structure is complicated, and there are many structural parts.
  • the motor is a shaded-pole motor.
  • the motor has high speed, high energy efficiency, and high noise.
  • the volute is composed of iron sheets.
  • the stability of cooperation with the wind wheel is not good, resulting in unstable air output from the volute, reducing the air output. Due to the low precision of the volute with the iron sheet structure, the installation accuracy between the volute and the wind wheel is low, resulting in inconvenient installation.
  • One object of the present utility model is to provide a volute fan, which has a simple installation structure between the volute and the motor, reasonable structural arrangement, fewer installation parts and lower costs.
  • Another object of the present utility model is to provide an exhaust fan, which solves the problem that the motor in the prior art is a shaded-pole motor, which has high rotational speed, high energy efficiency, and large noise.
  • the air output of the volute is unstable, and the air output is reduced. Due to the low precision, the installation accuracy between the volute and the wind wheel is low, resulting in a technical problem of inconvenient installation.
  • the purpose of this utility model is to provide a volute fan, including a volute, a centrifugal wind wheel and a motor, the volute includes an upper end plate and a volute side plate protruding from the edge of the upper end plate to one end, the upper end plate and the volute side plate A cavity for accommodating the centrifugal wind wheel is formed therebetween, and a first air inlet and a first air outlet are respectively set on the upper end plate and the side plate of the volute, and it is characterized in that a beam bracket is provided at the position of the first air inlet on the upper end plate. , Install the motor on the beam bracket.
  • the middle part of the above-mentioned beam bracket is recessed into the cavity of the volute to form a recess, and the motor support is installed in the recess.
  • the above-mentioned recessed portion is provided with a through hole through which the rotating shaft of the motor can pass, and the rotating shaft passes through the through hole and is connected to the centrifugal wind wheel.
  • first mounting holes on both sides of the through hole on the above-mentioned recessed part, and a second mounting hole corresponding to the first mounting hole is provided on the motor.
  • the bolts pass through the first mounting hole and the second mounting hole, and use A bolt-and-nut mechanism locks the motor to the beam bracket.
  • the above-mentioned upper end plate, volute side plate and beam bracket are integrally formed.
  • volute described above is a plastic casing formed by injection molding of a mold or a sheet metal casing formed by stamping, the motor is a capacitor-started motor, and the centrifugal wind wheel is made of plastic.
  • the centrifugal wind wheel described above includes a wheel disc and blades circumferentially distributed on the wheel disc.
  • a connecting plate connected to the rotating shaft of the motor is arranged in the middle of the wheel disc, and an annular deflector is arranged between the connecting plate and the wheel disc.
  • the pressure surface includes a first pressure surface arc and a second pressure surface arc, the radius R1 of the first pressure surface arc is 4.53mm ⁇ 0.5mm, and the radius R2 of the second pressure surface arc is 10.43mm ⁇ 0.5mm;
  • the inner diameter D1 of the blade is 111.61mm ⁇ 5mm, and the outer diameter D2 of the blade is 131.17mm ⁇ 5mm;
  • the angle ⁇ 1A of the inlet installation angle of the pressure surface of the blade is 83.93 ⁇ 5°, and the angle ⁇ 2A of the outlet installation angle of the pressure surface of the blade is 143.42 ⁇ 5°.
  • the first air outlet of the volute described above is provided with a volute tongue, and an air flow channel is formed between the volute side plate of the volute and the centrifugal wind wheel, and turns from the volute tongue along the centrifugal wind wheel to the second part of the volute.
  • the air flow channel at the air outlet gradually becomes larger
  • the above-mentioned volute is installed on the bottom plate of the casing, and a sealed cavity is formed between the upper end plate of the volute, the side plate of the volute and the bottom plate of the casing, and the centrifugal wind wheel is installed in the cavity.
  • An exhaust fan includes a box body and a volute fan, wherein,
  • the box body includes a top plate, a side plate and a bottom plate, the top plate, the side plate and the bottom plate form an accommodating cavity, the side plate is provided with an air outlet, and the top plate is provided with an air inlet;
  • the volute fan includes a volute, a centrifugal wind wheel and a motor.
  • the volute includes an upper end plate and a volute side plate protruding from the edge of the upper end plate to one end.
  • a space for accommodating the centrifugal wind wheel is formed between the upper end plate and the volute side plate.
  • Cavity, the bottom of the cavity forms an opening, the upper end plate and the side plate of the volute are respectively provided with a first air inlet and a first air outlet, the volute is installed in the accommodating cavity of the box, and the volute is closely installed on the side of the box.
  • the bottom plate covers the opening of the cavity, the first air outlet is connected to the air outlet, and the air inlet, the first air inlet, the first air outlet and the air outlet are connected;
  • a beam bracket is arranged at the position of the first air inlet of the upper end plate, a motor is installed on the beam bracket, the volute is a plastic shell formed by injection molding of a mold or a sheet metal shell formed by stamping, and the motor is a capacitor started. of the motor.
  • a volute fan comprising a volute, a centrifugal wind wheel and a motor
  • the volute includes an upper end plate and a volute side plate protruding from the edge of the upper end plate to one end, and the upper end plate and the volute side plate are formed for
  • the cavity for accommodating the centrifugal wind wheel is provided with a first air inlet and a first air outlet respectively on the upper end plate and the side plate of the volute.
  • the upper end plate and the side plate of the volute are respectively provided with a first air inlet and a first air outlet.
  • the bottom plate of the box body covers the opening of the cavity, the first air outlet is connected to the air outlet, the air inlet, the first air inlet, the first air outlet and the air outlet are connected, and the first air inlet of the upper end plate is connected.
  • a beam bracket on it, a motor is installed on the beam bracket, the volute is a plastic shell formed by injection molding of a mold, the motor is a capacitor-started motor, and the volute is a plastic shell or a sheet metal shell, with high dimensional accuracy and favorable High-precision assembly and cooperation with the wind wheel to increase the exhaust air volume of the air outlet, in addition, the motor started by the capacitor has low speed, low energy efficiency, and relatively low noise;
  • Fig. 1 is the structural representation of the volute fan provided by the utility model
  • Fig. 2 is an exploded view of the volute fan provided by the present utility model
  • Fig. 4 is the front view of the volute fan provided by the utility model
  • FIG. 5 is a perspective view of a centrifugal wind wheel provided by the present utility model
  • Fig. 6 is the front view of the centrifugal wind wheel provided by the present utility model
  • Fig. 7 is the sectional schematic diagram of the volute provided by the present utility model
  • Fig. 8 is a three-dimensional schematic diagram provided by the present utility model
  • Figure 9 is an exploded view of the casing and the volute fan provided by the present utility model.
  • Figure 10 is another angle exploded view of the box body and the volute fan provided by the present utility model
  • Figure 11 is a front view provided by the present utility model
  • Figure 12 is a sectional view of A-A in Figure 11;
  • the present embodiment provides a volute fan, including a volute 21 , a centrifugal fan 22 and a motor 23 .
  • the volute 21 includes an upper end plate 211 and extends from the edge of the upper end plate 211 to one end.
  • a cavity 213 for accommodating the centrifugal wind wheel 22 is formed between the upper end plate 211 and the volute side plate 212, and the upper end plate 211 and the volute side plate 212 are respectively provided with a first air inlet 2111 and
  • the first air outlet 2121 is characterized in that: a beam bracket 2112 is provided at the position of the first air inlet 2111 of the upper end plate 211, and a motor 23 is installed on the beam bracket 2112.
  • the structure between the volute and the motor has a simple installation structure and a reasonable structure arrangement. , reduce installation parts and reduce costs.
  • a first mounting hole 2113 is provided on both sides of the through hole 230 on the recessed portion 2110, and a second mounting hole 232 corresponding to the first mounting hole 2113 is provided on the motor 23, and bolts pass through the first mounting hole 2113 and the second mounting hole 2113.
  • the hole 232 is used to lock the motor 23 on the beam bracket 2112 by means of a bolt and nut mechanism, the structure arrangement is reasonable, the installation structure is simple, and the connection is convenient.
  • the upper end plate 211 , the volute side plate 212 and the beam bracket 2112 are integrally formed, with high dimensional accuracy, convenient manufacture, simplified installation process, reduced number of parts, and reduced cost.
  • the volute 21 is a plastic casing formed by mold injection or a sheet metal casing formed by stamping.
  • the motor 23 is a capacitor started motor.
  • the centrifugal wind wheel 22 is made of plastic, which is easy to manufacture, low in cost and high in dimensional accuracy. , easy installation, low noise, the volute 21 is a plastic shell or a sheet metal shell, with high dimensional accuracy, which is conducive to improving the exhaust air volume of the exhaust port.
  • the capacitor-started motor 23 has low speed, low energy efficiency, and relatively low noise. reduce,.
  • the centrifugal wind wheel 22 includes a wheel disc 221 and blades 222 distributed on the wheel disc 221 in the circumferential direction.
  • a connecting plate 220 connected to the rotating shaft 231 of the motor 23 is provided in the middle of the wheel disc 221 , and between the connecting plate 220 and the wheel disc 221 is a connecting plate 220 .
  • the annular deflector 223, the pressure surface 2221 of the vane 222 includes a first pressure surface arc 2222 and a second pressure surface arc 2223, the radius R1 of the first pressure surface arc 2222 is 4.53mm ⁇ 0.5mm, the second pressure surface
  • the radius R2 of the arc 2223 is 10.43mm ⁇ 0.5mm
  • the inner diameter D1 of the blade 222 is 111.61mm ⁇ 5mm
  • the outer diameter D2 of the blade 222 is 131.17mm ⁇ 5mm
  • the angle ⁇ 1A of the inlet installation angle of the pressure surface 2221 of the blade 222 is 83.93 ⁇ 5°
  • the angle ⁇ 2A of the outlet installation angle of the pressure surface 2221 of the blade 222 is 143.42 ⁇ 5°
  • the high-precision cooperation with the volute 21 formed by injection molding improves the air flow between the blades and is conducive to improving the exhaust air. outlet air volume.
  • an exhaust fan includes a box body 1 and a volute fan 2.
  • the box body 1 includes a top plate 13, a side plate 11 and a bottom plate 12, and the top plate 13, the side plate 11 and the bottom plate 12 are surrounded by a The accommodating cavity 10, the side plate 11 is provided with an air outlet 111, the top plate 13 is provided with an air inlet 130, and the volute fan is installed in the accommodating cavity 10 of the box body 1, and is characterized in that: the volute fan is the above-mentioned implementation.
  • Example 1 of a volute fan Example 1 of a volute fan.
  • the volute 21 is installed on the bottom plate 12 of the casing 1, and a sealed cavity 213 is formed between the upper end plate 211 of the volute 21, the side plate 212 of the volute and the bottom plate 12 of the casing 1, and is installed in the cavity 213
  • the centrifugal wind wheel 22 has a reasonable structure arrangement, reduces the manufacture of the volute structure, and reduces the cost.
  • an exhaust fan includes a box body 1 and a volute fan 2, wherein,
  • the box body 1 includes a top plate 13, a side plate 11 and a bottom plate 12.
  • the top plate 13, the side plate 11 and the bottom plate 12 enclose an accommodation cavity 10.
  • the side plate 11 is provided with an air outlet 111, and the top plate 13 is provided with an air inlet 130;
  • the volute fan 2 includes a volute 21, a centrifugal fan 22 and a motor 23.
  • the volute 21 includes an upper end plate 211 and a volute side plate 212 extending from the edge of the upper end plate 211 to one end.
  • the upper end plate 211 and the volute side plate 212 A cavity 213 for accommodating the centrifugal wind wheel 22 is formed therebetween, an opening 214 is formed at the bottom of the cavity 213, a first air inlet 2111 and a first air outlet 2121 are respectively provided on the upper end plate 211 and the volute side plate 212, and the volute 21 is installed in the accommodating cavity 10 of the box body 1, the volute 21 is closely installed on the bottom plate 12 of the box body 1 and shields the opening 214 of the cavity 213, the first air outlet 2121 is connected to the air outlet 111, the air inlet 130.
  • the first air inlet 2111, the first air outlet 2121 and the air outlet 111 are connected;
  • a beam bracket 2112 is provided at the position of the first air inlet 2111 of the upper end plate 211
  • a motor 23 is installed on the beam bracket 2112
  • the volute 21 is a plastic shell formed by mold injection or a sheet metal shell formed by stamping
  • the motor 23 is a capacitor started motor
  • the volute is a plastic shell or a sheet metal shell
  • the dimensional accuracy is high, which is beneficial to improve the exhaust air volume of the exhaust port.
  • the capacitor The starting motor has low speed, low energy efficiency and relatively low noise.

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

Abstract

一种蜗壳风机及其应用的排气扇，包括蜗壳(21)、离心风轮(22)和电机(23)，蜗壳(21)包括上端板(211)和从上端板(211)边缘往一端伸出的蜗壳侧板(212)，上端板(211)和蜗壳侧板(212)之间形成用于容纳离心风轮(22)的空腔(213)，上端板(211)和蜗壳侧板(212)上分别设置第一进风口(2111)和第一出风口(2121)，在上端板(211)的第一进风口(2111)位置设有横梁支架(2112)，横梁支架(2112)上安装电机(23)，该结构蜗壳(21)与电机(23)之间安装结构简单，结构布置合理，减少安装零部件，降低成本。

Description

一种蜗壳风机及其应用的排气扇 技术领域：
本实用新型涉及一种蜗壳风机及其应用的排气扇。
背景技术：
现有的排气扇包括箱体和安装箱体内的蜗壳风机，箱体的顶部设有入风口，箱体的外侧面上设有排风口，蜗壳风机包括蜗壳、电机和风轮，风轮安装在蜗壳内，蜗壳由铁皮围绕而成的，铁皮上设有出风口，出风口布置在排风口处，箱体内设有安装板，安装板上设有进风口，电机通过安装板吊装在箱体内，电机的转轴与风轮连接，通过电机转轴带动风轮转动，将入风口进入的风流经进风口从出风口流出，再从排风口排出，电机需要安装板吊装在箱体内，导致安装结构复杂，结构零部件多，电机为罩极电机，该电机转速高，能效高，噪音大，蜗壳由铁皮组合而成，铁皮结构的蜗壳精度低，易变形，与风轮配合的稳定性不好，导致蜗壳出风量不稳定，降低出风量，由于铁皮结构的蜗壳精度低，蜗壳与风轮之间的安装精度低，导致安装不便。
发明内容：
本实用新型的一个目的是提供一种蜗壳风机，该结构蜗壳与电机之间安装结构简单，结构布置合理，减少安装零部件，降低成本。
本实用新型的另一个目的是提供一种排气扇，解决现有技术中电机为罩极电机，该电机转速高，能效高，噪音大，蜗壳由铁皮组合而成，铁皮结构精度低，导致蜗壳出风量不稳定，降低出风量，由于精度低，蜗壳与风轮之间的安装精度低，导致安装不便的技术问题。
本实用新型的目的是通过下述技术方案予以实现的。
本实用新型的目的是提供一种蜗壳风机，包括蜗壳、离心风轮和电机，蜗壳包括上端板和从上端板边缘往一端伸出的蜗壳侧板，上端板和蜗壳侧板之间形成用于容纳离心风轮的空腔，上端板和蜗壳侧板上分别设置第一进风口和第一出风口，其特征在于：在上端板的第一进风口位置设有横梁支架,横梁支架上 安装电机。
上述所述的横梁支架的中间部分往蜗壳的空腔里凹陷形成凹陷部，电机支撑安装在凹陷部里。
上述所述的凹陷部上设有可供电机的转轴穿过的通孔，转轴穿过通孔与离心风轮连接。
上述所述的凹陷部上的通孔两侧设有第一安装孔，电机上设有与第一安装孔对应的第二安装孔，通过螺栓穿过第一安装孔和第二安装孔，利用螺栓螺母机构将电机锁紧在横梁支架上。
上述所述的上端板、蜗壳侧板和横梁支架是一体成型的。
上述所述的蜗壳是模具注塑形成的塑料壳体或者冲压形成的钣金件壳体，所述电机为电容启动的电机，所述离心风轮为塑料制造。
上述所述的离心风轮包括轮盘和周向分布在轮盘上的叶片，轮盘中间设有与电机的转轴连接的连接板，连接板与轮盘之间设有环形导流板，叶片的压力面包括第一压力面圆弧和第二压力面圆弧，第一压力面圆弧的半径R1为4.53mm±0.5mm，第二压力面圆弧的半径R2为10.43mm±0.5mm；叶片的内径D1为111.61mm±5mm,叶片的外径D2为131.17mm±5mm；叶片的压力面的进口安装角的角度β1A为83.93±5°，叶片的压力面的出口安装角的角度β2A为143.42±5°。
上述所述的蜗壳的第一出风口处设有蜗舌，蜗壳的蜗壳侧板与离心风轮之间形成空气流道，从蜗舌开始沿着离心风轮转向至蜗壳的第一出风口处的空气流道逐渐变大
一种排气扇，包括箱体和蜗壳风机，箱体包括顶板、侧板和底板，顶板、侧板和底板围成容纳腔，侧板上设有排风口，顶板上设有入风口，蜗壳风机安装在箱体的容纳腔内，其特征在于：所述蜗壳风机是上述所述的一种蜗壳风机。
上述所述的蜗壳安装在箱体的底板上，蜗壳的上端板、蜗壳侧板和箱体的底板之间形成一密封的空腔，空腔内安装离心风轮。
一种排气扇，包括箱体和蜗壳风机，其中，
箱体包括顶板、侧板和底板，顶板、侧板和底板围成容纳腔，侧板上设有排风口，顶板上设有入风口；
蜗壳风机包括蜗壳、离心风轮和电机，蜗壳包括上端板和从上端板边缘往一端伸出的蜗壳侧板，上端板和蜗壳侧板之间形成用于容纳离心风轮的空腔，空腔的底部形成开口，上端板和蜗壳侧板上分别设置第一进风口和第一出风口，蜗壳安装在箱体的容纳腔内，蜗壳紧贴安装在箱体的底板上并把空腔的开口遮蔽，第一出风口连接到排风口，入风口、第一进风口、第一出风口和排风口是连通的；
其特征在于：在上端板的第一进风口位置设有横梁支架,横梁支架上安装电机,蜗壳是模具注塑形成的塑料壳体或者冲压形成的钣金件壳体，所述电机为电容启动的电机。
本实用新型与现有技术相比，具有如下效果：
1)一种蜗壳风机，包括蜗壳、离心风轮和电机，蜗壳包括上端板和从上端板边缘往一端伸出的蜗壳侧板，上端板和蜗壳侧板之间形成用于容纳离心风轮的空腔，上端板和蜗壳侧板上分别设置第一进风口和第一出风口，其特征在于：在上端板的第一进风口位置设有横梁支架,横梁支架上安装电机，该结构蜗壳与电机之间安装结构简单，结构布置合理，减少安装零部件，降低成本；
2)一种排气扇，包括箱体和蜗壳风机，箱体包括顶板、侧板和底板，顶板、侧板和底板围成容纳腔，侧板上设有排风口，顶板上设有入风口，蜗壳风机包括蜗壳、离心风轮和电机，蜗壳包括上端板和从上端板边缘往一端伸出的蜗壳侧板，上端板和蜗壳侧板之间形成用于容纳离心风轮的空腔，空腔的底部形成开口，上端板和蜗壳侧板上分别设置第一进风口和第一出风口，蜗壳安装在箱体的容纳腔内，蜗壳紧贴安装在箱体的底板上并把空腔的开口遮蔽，第一出风口连接到排风口，入风口、第一进风口、第一出风口和排风口是连通的，上端 板的第一进风口上设有横梁支架,横梁支架上安装电机，蜗壳是模具注塑形成的塑料壳体，所述电机为电容启动的电机，蜗壳为塑料壳体或者钣金件壳体，尺寸精度高，有利与风轮进行高精度的装配和配合，提高排风口的排风量，另外电容启动的电机转速低、能效低，噪音相对降低；
2)本实用新型的其它优点在实施例部分展开详细描述。
附图说明：
图1是本实用新型提供的蜗壳风机结构示意图；
图2是本实用新型提供的蜗壳风机分解图；
图3是本实用新型提供的蜗壳风机另一分解图；
图4是本实用新型提供的蜗壳风机正视图；
图5是本实用新型提供的离心风轮立体图；
图6是本实用新型提供的离心风轮正视图
图7是本实用新型提供的蜗壳剖面示意图
图8是本实用新型提供的立体示意图；
图9是本实用新型提供的箱体与蜗壳风机分解图；
图10是本实用新型提供的箱体与蜗壳风机另一角度分解图；
图11是本实用新型提供的正视图；
图12是图11中A-A的剖视图；
具体实施方式：
下面通过具体实施例并结合附图对本实用新型作进一步详细的描述。
实施例一：
如图1至图7所示，本实施例提供的是一种蜗壳风机，包括蜗壳21、离心风轮22和电机23，蜗壳21包括上端板211和从上端板211边缘往一端伸出的蜗壳侧板212，上端板211和蜗壳侧板212之间形成用于容纳离心风轮22的空腔213，上端板211和蜗壳侧板212上分别设置第一进风口2111和第一出风口2121，其特征在于：在上端板211的第一进风口2111位置设有横梁支架2112, 横梁支架2112上安装电机23，该结构蜗壳与电机之间安装结构简单，结构布置合理，减少安装零部件，降低成本。
横梁支架2112的中间部分往蜗壳21的空腔213里凹陷形成凹陷部2110，电机23支撑安装在凹陷部2110里，降低电机23安装高度，可以降低对负载安装高度，减少制造成本，另外横梁支架2112的凹陷部2110的两侧形成第一进风口2111进风的导流作用。
凹陷部2110上设有可供电机23的转轴231穿过的通孔230，转轴231穿过通孔230与离心风轮22连接，结构布置合理，便于连接。
凹陷部2110上的通孔230两侧设有第一安装孔2113，电机23上设有与第一安装孔2113对应的第二安装孔232，通过螺栓穿过第一安装孔2113和第二安装孔232，利用螺栓螺母机构将电机23锁紧在横梁支架2112上，结构布置合理，安装结构简单，连接方便。
上端板211、蜗壳侧板212和横梁支架2112是一体成型的，尺寸精度高，制造方便，简化安装工序和减少零件数量，降低成本。
蜗壳21是模具注塑形成的塑料壳体或者冲压形成的钣金件壳体，所述电机23为电容启动的电机，所述离心风轮22为塑料制造，便于制造，成本低，尺寸精度高，安装方便，低噪音，蜗壳21为塑料壳体或者钣金件壳体，尺寸精度高，有利于提高排风口的排风量，另外电容启动的电机23转速低、能效低，噪音相对降低，。
离心风轮22包括轮盘221和周向分布在轮盘221上的叶片222，轮盘221中间设有与电机23的转轴231连接的连接板220，连接板220与轮盘221之间设有环形导流板223，叶片222的压力面2221包括第一压力面圆弧2222和第二压力面圆弧2223，第一压力面圆弧2222的半径R1为4.53mm±0.5mm，第二压力面圆弧2223的半径R2为10.43mm±0.5mm；叶片222的内径D1为111.61mm±5mm,叶片222的外径D2为131.17mm±5mm；叶片222的压力面2221的进口安装角的角度β1A为83.93±5°，叶片222的压力面2221的出口安装角的角度 β2A为143.42±5°，与注塑形成的的蜗壳21的高精度配合，改善叶片之间的风流状况，有利于提高排风口的排风量。
蜗壳21的第一出风口2121处设有蜗舌2122，蜗壳21的蜗壳侧板212与离心风轮22之间形成空气流道215，从蜗舌2122开始沿着离心风轮22转向至蜗壳21的第一出风口2121处的空气流道215逐渐变大，有利于提高排风口的排风量。
实施例二：
如图8至图12所示，一种排气扇，包括箱体1和蜗壳风机2，箱体1包括顶板13、侧板11和底板12，顶板13、侧板11和底板12围成容纳腔10，侧板11上设有排风口111，顶板13上设有入风口130，蜗壳风机安装在箱体1的容纳腔10内，其特征在于：所述蜗壳风机是上述实施例一所述的一种蜗壳风机。
所述蜗壳21安装在箱体1的底板12上，蜗壳21的上端板211、蜗壳侧板212和箱体1的底板12之间形成一密封的空腔213，空腔213内安装离心风轮22，结构布置合理，减少蜗壳结构制造，降低成本。
实施例三：
如图8至图12所示，一种排气扇，包括箱体1和蜗壳风机2，其中，
箱体1包括顶板13、侧板11和底板12，顶板13、侧板11和底板12围成容纳腔10，侧板11上设有排风口111，顶板13上设有入风口130；
蜗壳风机2包括蜗壳21、离心风轮22和电机23，蜗壳21包括上端板211和从上端板211边缘往一端伸出的蜗壳侧板212，上端板211和蜗壳侧板212之间形成用于容纳离心风轮22的空腔213，空腔213的底部形成开口214，上端板211和蜗壳侧板212上分别设置第一进风口2111和第一出风口2121，蜗壳21安装在箱体1的容纳腔10内，蜗壳21紧贴安装在箱体1的底板12上并把空腔213的开口214遮蔽，第一出风口2121连接到排风口111，入风口130、第 一进风口2111、第一出风口2121和排风口111是连通的；
其特征在于：在上端板211的第一进风口2111位置设有横梁支架2112,横梁支架2112上安装电机23,蜗壳21是模具注塑形成的塑料壳体或者冲压形成的钣金件壳体，所述电机23为电容启动的电机，所述电机23为电容启动的电机，蜗壳为塑料壳体或者钣金件壳体，尺寸精度高，有利于提高排风口的排风量，另外电容启动的电机转速低、能效低，噪音相对降低。
以上实施例为本实用新型的较佳实施方式，但本实用新型的实施方式不限于此，其他任何未背离本实用新型的精神实质与原理下所作的改变、修饰、替代、组合、简化，均为等效的置换方式，都包含在本实用新型的保护范围之内。

Claims (11)

  1. 一种蜗壳风机，包括蜗壳(21)、离心风轮(22)和电机(23)，蜗壳(21)包括上端板(211)和从上端板(211)边缘往一端伸出的蜗壳侧板(212)，上端板(211)和蜗壳侧板(212)之间形成用于容纳离心风轮(22)的空腔(213)，上端板(211)和蜗壳侧板(212)上分别设置第一进风口(2111)和第一出风口(2121)，其特征在于：在上端板(211)的第一进风口(2111)位置设有横梁支架(2112),横梁支架(2112)上安装电机(23)。
  2. 根据权利要求1所述一种蜗壳风机，其特征在于：横梁支架(2112)的中间部分往蜗壳(21)的空腔(213)里凹陷形成凹陷部(2110)，电机(23)支撑安装在凹陷部(2110)里。
  3. 根据权利要求2所述的一种蜗壳风机，其特征在于：凹陷部(2110)上设有可供电机(23)的转轴(231)穿过的通孔(230)，转轴(231)穿过通孔(230)与离心风轮(22)连接。
  4. 根据权利要求3所述的一种蜗壳风机，其特征在于：凹陷部(2110)上的通孔(230)两侧设有第一安装孔(2113)，电机(23)上设有与第一安装孔(2113)对应的第二安装孔(232)，通过螺栓穿过第一安装孔(2113)和第二安装孔(232)，利用螺栓螺母机构将电机(23)锁紧在横梁支架(2112)上。
  5. 根据权利要求1或2或3或4所述的一种蜗壳风机，其特征在于：上端板(211)、蜗壳侧板(212)和横梁支架(2112)是一体成型的。
  6. 根据权利要求5所述的一种蜗壳风机，其特征在于：蜗壳(21)是模具注塑形成的塑料壳体或者冲压形成的钣金件壳体，所述电机(23)为电容启动的电机，所述离心风轮(22)为塑料制造。
  7. 根据权利要求5所述的一种蜗壳风机，其特征在于：离心风轮(22)包括轮盘(221)和周向分布在轮盘(221)上的叶片(222)，轮盘(221)中间设有与电机(23)的转轴(231)连接的连接板(220)，连接板(220)与轮盘(221)之间设有环形导流板(223)，叶片(222)的压力面(2221)包括第一 压力面圆弧(2222)和第二压力面圆弧(2223)，第一压力面圆弧(2222)的半径R1为4.53mm±0.5mm，第二压力面圆弧(2223)的半径R2为10.43mm±0.5mm；叶片(222)的内径D1为111.61mm±5mm,叶片(222)的外径D2为131.17mm±5mm；叶片(222)的压力面(2221)的进口安装角的角度β1A为83.93±5°，叶片(222)的压力面(2221)的出口安装角的角度β2A为143.42±5°。
  8. 根据权利要求5所述的一种蜗壳风机，其特征在于：蜗壳(21)的第一出风口(2121)处设有蜗舌(2122)，蜗壳(21)的蜗壳侧板(212)与离心风轮(22)之间形成空气流道(215)，从蜗舌(2122)开始沿着离心风轮(22)转向至蜗壳(21)的第一出风口(2121)处的空气流道(215)逐渐变大。
  9. 一种排气扇，包括箱体(1)和蜗壳风机(2)，箱体(1)包括顶板(13)、侧板(11)和底板(12)，顶板(13)、侧板(11)和底板(12)围成容纳腔(10)，侧板(11)上设有排风口(111)，顶板(13)上设有入风口(130)，蜗壳风机安装在箱体(1)的容纳腔(10)内，其特征在于：所述蜗壳风机是上述权利要求1至权利要求8任意一项所述的一种蜗壳风机。
  10. 根据权利要求9所述的一种排气扇，其特征在于：所述蜗壳(21)安装在箱体(1)的底板(12)上，蜗壳(21)的上端板(211)、蜗壳侧板(212)和箱体(1)的底板(12)之间形成一密封的空腔(213)，空腔(213)内安装离心风轮(22)。
  11. 一种排气扇，包括箱体(1)和蜗壳风机(2)，其中，
    箱体(1)包括顶板(13)、侧板(11)和底板(12)，顶板(13)、侧板(11)和底板(12)围成容纳腔(10)，侧板(11)上设有排风口(111)，顶板(13)上设有入风口(130)；
    蜗壳风机(2)包括蜗壳(21)、离心风轮(22)和电机(23)，蜗壳(21)包括上端板(211)和从上端板(211)边缘往一端伸出的蜗壳侧板(212)，上端板(211)和蜗壳侧板(212)之间形成用于容纳离心风轮(22)的空腔(213)，空腔(213)的底部形成开口(214)，上端板(211)和蜗壳侧板(212)上分 别设置第一进风口(2111)和第一出风口(2121)，蜗壳(21)安装在箱体(1)的容纳腔(10)内，蜗壳(21)紧贴安装在箱体(1)的底板(12)上并把空腔(213)的开口(214)遮蔽，第一出风口(2121)连接到排风口(111)，入风口(130)、第一进风口(2111)、第一出风口(2121)和排风口(111)是连通的；
    其特征在于：在上端板(211)的第一进风口(2111)位置设有横梁支架(2112),横梁支架(2112)上安装电机(23),蜗壳(21)是模具注塑形成的塑料壳体或者冲压形成的钣金件壳体，所述电机(23)为电容启动的电机。
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100014965A1 (en) * 2008-07-18 2010-01-21 Denso Corporation Centrifugal type blower
CN102182707A (zh) * 2011-05-09 2011-09-14 美的集团有限公司 一种吸油烟机用离心风机及其蜗壳型线生成方法
CN205001225U (zh) * 2015-07-31 2016-01-27 中山大洋电机股份有限公司 一种风机
CN107795508A (zh) * 2017-11-30 2018-03-13 中山大洋电机股份有限公司 一种排气扇
CN207813996U (zh) * 2017-12-19 2018-09-04 广东朗迪格林特电器有限公司 一种新型盘管风机
CN111878424A (zh) * 2020-08-25 2020-11-03 中山市高途五金制品有限公司 大风量蜗壳风机

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3602006A (en) * 1969-09-15 1971-08-31 Westinghouse Electric Corp Room air conditioner
CN2228997Y (zh) * 1995-08-22 1996-06-12 广东省二轻制冷机公司 低噪音离心风扇风轮
US6979169B2 (en) * 2003-11-21 2005-12-27 Broan-Nutone Llc Modular ventilating exhaust fan assembly and method
JP5476773B2 (ja) * 2009-04-07 2014-04-23 パナソニック株式会社 送風装置
US9097265B1 (en) * 2010-09-17 2015-08-04 Chien Luen Industries Co., Ltd., Inc. 50/60 CFM bath exhaust fans with flaps/ears that allow housings to be mounted to joists
US9945580B2 (en) * 2012-08-28 2018-04-17 Broan-Nutone, Llc Ventilation system
US9689581B2 (en) * 2014-02-07 2017-06-27 Broan-NuTune LLC Ventilation system and method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100014965A1 (en) * 2008-07-18 2010-01-21 Denso Corporation Centrifugal type blower
CN102182707A (zh) * 2011-05-09 2011-09-14 美的集团有限公司 一种吸油烟机用离心风机及其蜗壳型线生成方法
CN205001225U (zh) * 2015-07-31 2016-01-27 中山大洋电机股份有限公司 一种风机
CN107795508A (zh) * 2017-11-30 2018-03-13 中山大洋电机股份有限公司 一种排气扇
CN207813996U (zh) * 2017-12-19 2018-09-04 广东朗迪格林特电器有限公司 一种新型盘管风机
CN111878424A (zh) * 2020-08-25 2020-11-03 中山市高途五金制品有限公司 大风量蜗壳风机

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