WO2019056676A1 - Centrifugal fan with double air inlets and double air outlets - Google Patents

Centrifugal fan with double air inlets and double air outlets Download PDF

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Publication number
WO2019056676A1
WO2019056676A1 PCT/CN2018/073311 CN2018073311W WO2019056676A1 WO 2019056676 A1 WO2019056676 A1 WO 2019056676A1 CN 2018073311 W CN2018073311 W CN 2018073311W WO 2019056676 A1 WO2019056676 A1 WO 2019056676A1
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Prior art keywords
air
double
inlet
outlet
centrifugal
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PCT/CN2018/073311
Other languages
French (fr)
Chinese (zh)
Inventor
严方升
李普煊
严义清
栗相军
谭永高
Original Assignee
深圳市普瑞美泰环保科技有限公司
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Publication of WO2019056676A1 publication Critical patent/WO2019056676A1/en

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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
    • 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
    • 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
    • F04D29/40—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
    • 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
    • F04D29/424—Double entry 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
    • 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
    • F04D29/4246—Fan casings comprising more than one outlet
    • 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

Definitions

  • the present application relates to the field of wind turbines, and more particularly to a centrifugal fan with dual inlet and outlet air.
  • the existing centrifugal fan is composed of a volute, a wind wheel and a motor, and generally has the following three forms:
  • the purpose of the present application is to overcome the deficiencies of the prior art and to provide a centrifugal fan with dual inlet and outlet air.
  • a centrifugal fan with double inlet and double outlets comprising a volute, a motor and a centrifugal wind wheel, the volute comprising an upper shell and a lower shell coupled thereto; the upper shell and the lower shell are respectively provided with air inlets
  • the motor is installed between the upper shell and the lower shell; the centrifugal wind wheel is coupled to the motor, and the volute is provided with a wind deflector, the wind deflector and the centrifugal wind wheel
  • a double air duct is formed between the two sides; an air outlet is provided on an outer side of the double air duct.
  • a further technical solution is that: the wind deflector is disposed on both sides of the upper shell and the lower shell; the outer end of the wind deflector is provided with a slot, and the upper shell and the lower shell are connected through the slot.
  • the air inlet is disposed at a central position of the upper shell and the lower shell; the air inlet is a circular air inlet; the circular air inlet on the upper shell and the circular air inlet on the lower shell The centerlines coincide.
  • a further technical solution is that the axis of the motor and the centrifugal wind wheel coincides with the center line of the circular air inlet.
  • a further technical solution is that the air deflector is a spiral air deflector.
  • the air outlet includes a first air outlet and a second air outlet; the first air outlet and the second air outlet are respectively disposed on two sides of the centrifugal wind wheel.
  • centrifugal wind wheel is a forward multi-wing centrifugal wind wheel or a backward centrifugal air wheel.
  • a further technical solution is that: a plurality of coupling columns are disposed on two sides of the upper casing, the lower casing is identical to the upper casing structure; and one side of the wind guiding upper end and the lower end is corresponding to the connecting pillar There are couplings for coupling with the coupling post.
  • a further technical solution is: one side of the upper casing is provided with a first air guiding plate, and the other side is provided with a first mounting groove; the lower casing is corresponding to the first air guiding plate and is provided a second mounting slot coupled to the first air deflector, the lower shell being provided with a second air deflector coupled to the first mounting slot at the first mounting slot.
  • a further technical solution is: a third air deflector is disposed on both sides of the left end or the right end of the upper shell, and a fourth air guide corresponding to the third wind deflector is disposed on both sides of the right end or the left end of the lower shell a plate; the third wind deflector and the fourth air deflector are coupled by a socket.
  • the utility model has the beneficial effects that the centrifugal fan comprises a volute, a motor and a centrifugal wind wheel, the volute comprises an upper shell and a lower shell coupled thereto; the upper shell and the lower shell are provided with air inlets,
  • the motor is installed between the upper shell and the lower shell;
  • the centrifugal wind wheel is coupled with the motor, and the air deflector is arranged on both sides of the upper shell and the lower shell, and the double air duct is formed between the air deflector and the centrifugal wind wheel;
  • the double air duct The outer side is provided with an air outlet;
  • the centrifugal fan realizes air entering in two directions, and the air is discharged in two directions, and the air inlet and the air outlet area are large, and the fan can rotate twice to achieve the wind in the direction of 180 degrees, and the air is ventilated.
  • FIG. 1 is a structural exploded view of a first embodiment of a centrifugal fan with dual inlet and outlet air;
  • Figure 2 is a plan view of Figure 1;
  • Figure 3 is a cross-sectional view taken along line A-A of Figure 2;
  • Fig. 4 is a structural exploded view of a second embodiment of the centrifugal fan of the double inlet and outlet air of the present application.
  • FIG. 1 to FIG. 4 The specific embodiment shown in FIG. 1 to FIG. 4; wherein, according to the first embodiment shown in FIG. 1 to FIG. 3, a centrifugal fan with dual inlet and outlet air, including a volute 10, a motor 20 and centrifugation
  • the wind turbine 30 includes a top casing 11 and a lower casing 12 coupled to the upper casing 11; the upper casing 11 and the lower casing 12 are each provided with an air inlet 13 , and the motor 20 is installed between the upper casing 11 and the lower casing 12
  • the centrifugal wind wheel 30 is coupled to the motor 20, and the volute 10 is provided with a wind deflector 14, a double air duct 40 is formed between the air deflector 14 and the centrifugal wind wheel 30, and an air outlet 15 is disposed outside the double air duct 40.
  • the air deflector 14 is disposed on both sides of the upper shell 11 and the lower shell 12; the outer end of the wind deflector 14 is provided with a slot (not shown), and the upper shell 11 and The lower case 12 is connected through a slot.
  • the air inlet 13 is provided at the center of the upper casing 11 and the lower casing 12, so that the airflow is easy to enter.
  • the air inlet 13 may be square or circular or other shape; in the embodiment, the air inlet 13 is a circular air inlet; the circular air inlet on the upper casing 11 and the circular air inlet 12 on the lower casing 12. The centerlines coincide.
  • the axes of the motor 20 and the centrifugal wind wheel 30 coincide with the center line of the circular air inlet.
  • the air deflector 14 may be linear or spiral or other forms; in the embodiment, the air deflector 14 is a spiral air deflector; the structure is more firm and the connection is stable. At the same time, it is also advantageous to guide the airflow to be blown out from the air outlet 15 along the wind deflector 14.
  • the air outlet 15 includes a first air outlet 151 and a second air outlet 152 ; the first air outlet 151 and the second air outlet 152 are respectively disposed on two sides of the centrifugal wind wheel 30 .
  • the centrifugal wind wheel 30 is a forward multi-blade centrifugal wind wheel or a backward centrifugal wind wheel.
  • the motor 20 is an outer rotor motor, an inner rotor motor, an alternating current motor, a direct current motor or an EC motor.
  • a plurality of coupling posts 16 are disposed on both sides of the upper casing 11, and the lower casing 12 has the same structure as the upper casing 11; the inner sides of the upper end and the lower end of the air deflector 14 correspond to the coupling pillars 16 A coupling 141 for coupling with the coupling post 16 is provided.
  • one side of the upper case is provided with a first air guiding plate, and the other side is provided with a first mounting groove; and the lower case is corresponding to the first air guiding plate and is coupled with the first air guiding plate. And a second mounting slot, wherein the lower casing is provided with a second air guiding plate coupled to the first mounting slot at the first mounting slot.
  • a third air deflector is disposed on both sides of the left end or the right end of the upper shell, and a fourth air deflector corresponding to the third air deflector is disposed on both sides of the right end or the left end of the lower shell;
  • the plate is coupled to the fourth air deflector through a socket.
  • the centrifugal fan in the present application comprises a volute, a motor and a centrifugal wind wheel
  • the volute includes an upper shell and a lower shell coupled thereto; the upper shell and the lower shell are both provided with air inlets, and the motor is mounted on the upper shell Between the lower casing and the lower casing; the centrifugal wind wheel is coupled with the motor, and the air guiding plate is arranged on both sides of the upper casing and the lower casing, and the double air duct is formed between the air guiding plate and the centrifugal wind wheel; the outer side of the double air duct is provided
  • the air outlet makes the centrifugal fan realize the air entering in two directions, the air is discharged in two directions, the air inlet and the air outlet area are large, and the fan can rotate twice in a direction of 180 degrees, the ventilation efficiency is high, and the work is high. Low consumption, low noise, small volume and large air volume, wide application range.

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

Abstract

Provided is a centrifugal fan with double air inlets and double air outlets, comprising a volute casing (10), a motor (20) and a centrifugal wind wheel (30), wherein, the volute casing (10) comprises an upper casing (11) and a lower casing (12) coupled to the upper casing (11); the upper casing (11) and the lower casing (12) are each provided with an air inlet (13), and the motor (20) is installed between the upper casing (11) and the lower casing (12); the centrifugal wind wheel (30) is coupled to the motor (20), the volute casing (10) is provided with a wind deflecting plate (14), and a double air duct (40) is formed between the air deflecting plate (14) and the centrifugal wind wheel (30); and an air outlet (15) is provided on an outer side of the double air duct (40). The centrifugal fan realizes that the wind enters from two directions and exits from two directions, and the air inlet and outlet areas are large. When the fan rotates once, it can achieve twice wind-outs in the direction of 180 degrees. The ventilation efficiency is high, the power consumption is low, the noise is small, realizing small volume and large air volume and wide range of application.

Description

一种双进风双出风的离心风机  Centrifugal fan with double inlet and double outlet
本申请是以申请号为2017108759184，申请日为2017年9月25日的中国专利申请为基础，并主张其优先权，该申请的全部内容在此作为整体引入本申请中。The present application is based on a Chinese patent application filed on Jan. 25, 2017, the entire disclosure of which is hereby incorporated by reference.
技术领域Technical field
本申请涉及风机领域，更具体地说是指一种双进风双出风的离心风机。The present application relates to the field of wind turbines, and more particularly to a centrifugal fan with dual inlet and outlet air.
背景技术Background technique
现有的离心风机是由蜗壳、风轮及电机组成，通常的都是以下三种形式：The existing centrifugal fan is composed of a volute, a wind wheel and a motor, and generally has the following three forms:
1）一个进风口和一个出风口的结构，这种结构的离心风机进风与出风只有一个方向，进风面积小，噪音也大，应用范围受限；1) The structure of an air inlet and an air outlet. The centrifugal fan of this structure has only one direction of air inlet and outlet, the air inlet area is small, the noise is large, and the application range is limited;
2）两个进风口及一个出风口的结构，两个方向进风，一个方向出风，进风面积大，效率高，但是出风面积小；2) The structure of two air inlets and one air outlet, the wind enters in two directions, the wind enters in one direction, the air inlet area is large, the efficiency is high, but the air outlet area is small;
3）也有一个进风口和两个出风口的结构，可以实现一个方向进风，两个不同方向出风，通风效率高，但一个进风口面积小，导致进风流速高，噪音大。3) There is also a structure of air inlet and two air outlets, which can achieve air in one direction, air in two different directions, high ventilation efficiency, but a small air inlet area, resulting in high air flow rate and high noise.
申请内容Application content
本申请的目的在于克服现有技术的缺陷，提供一种双进风双出风的离心风机。The purpose of the present application is to overcome the deficiencies of the prior art and to provide a centrifugal fan with dual inlet and outlet air.
为实现上述目的，本申请采用以下技术方案：To achieve the above objectives, the present application adopts the following technical solutions:
一种双进风双出风的离心风机，包括涡壳、电机及离心风轮，所述涡壳包括上壳、及与其联接的下壳；所述的上壳和下壳均设有进风口，所述电机安装于所述上壳与下壳之间；所述离心风轮与所述电机联接，所述涡壳上设有导风板，所述导风板与所述的离心风轮之间形成双风道；所述双风道的外侧设有出风口。A centrifugal fan with double inlet and double outlets, comprising a volute, a motor and a centrifugal wind wheel, the volute comprising an upper shell and a lower shell coupled thereto; the upper shell and the lower shell are respectively provided with air inlets The motor is installed between the upper shell and the lower shell; the centrifugal wind wheel is coupled to the motor, and the volute is provided with a wind deflector, the wind deflector and the centrifugal wind wheel A double air duct is formed between the two sides; an air outlet is provided on an outer side of the double air duct.
其进一步技术方案为：所述上壳和下壳的两侧均设有导风板；所述导风板的外端设有插槽，所述上壳和下壳通过所述插槽连接。A further technical solution is that: the wind deflector is disposed on both sides of the upper shell and the lower shell; the outer end of the wind deflector is provided with a slot, and the upper shell and the lower shell are connected through the slot.
其进一步技术方案为：所述进风口设于上壳和下壳的中心位置；所述进风口为圆形进风口；所述上壳上的圆形进风口和下壳上的圆形进风口的中心线重合。The further technical solution is that the air inlet is disposed at a central position of the upper shell and the lower shell; the air inlet is a circular air inlet; the circular air inlet on the upper shell and the circular air inlet on the lower shell The centerlines coincide.
其进一步技术方案为：所述电机及离心风轮的轴线与所述的圆形进风口的中心线重合。A further technical solution is that the axis of the motor and the centrifugal wind wheel coincides with the center line of the circular air inlet.
其进一步技术方案为：所述导风板为螺旋线式导风板。A further technical solution is that the air deflector is a spiral air deflector.
其进一步技术方案为：所述出风口包括第一出风口和第二出风口；所述第一出风口和第二出风口分别设于所述离心风轮的两侧。A further technical solution is that the air outlet includes a first air outlet and a second air outlet; the first air outlet and the second air outlet are respectively disposed on two sides of the centrifugal wind wheel.
其进一步技术方案为：所述离心风轮为前向多翼离心风轮或后向离心风轮。A further technical solution is that the centrifugal wind wheel is a forward multi-wing centrifugal wind wheel or a backward centrifugal air wheel.
其进一步技术方案为：所述上壳的两侧设有若干联接柱，所述的下壳与上壳结构相同；所述导风板上端和下端的一侧对应于所述联接柱处均设有用于与所述联接柱联接的联接件。A further technical solution is that: a plurality of coupling columns are disposed on two sides of the upper casing, the lower casing is identical to the upper casing structure; and one side of the wind guiding upper end and the lower end is corresponding to the connecting pillar There are couplings for coupling with the coupling post.
其进一步技术方案为：所述上壳的一侧设有第一导风板，另一侧设有第一安装槽；所述下壳对应于所述第一导风板处设有与所述第一导风板联接的第二安装槽，所述下壳对应于所述第一安装槽处设有与所述第一安装槽联接的第二导风板。A further technical solution is: one side of the upper casing is provided with a first air guiding plate, and the other side is provided with a first mounting groove; the lower casing is corresponding to the first air guiding plate and is provided a second mounting slot coupled to the first air deflector, the lower shell being provided with a second air deflector coupled to the first mounting slot at the first mounting slot.
其进一步技术方案为：所述上壳的左端或右端两侧设有第三导风板，所述下壳的右端或左端两侧设有与所述第三导风板对应的第四导风板；所述第三导风板与所述第四导风板之间通过插口联接。A further technical solution is: a third air deflector is disposed on both sides of the left end or the right end of the upper shell, and a fourth air guide corresponding to the third wind deflector is disposed on both sides of the right end or the left end of the lower shell a plate; the third wind deflector and the fourth air deflector are coupled by a socket.
本申请与现有技术相比的有益效果是：该离心风机包括涡壳、电机及离心风轮，涡壳包括上壳、及与其联接的下壳；上壳和下壳均设有进风口，电机安装于上壳与下壳之间；离心风轮与电机联接，上壳和下壳的两侧均设有导风板，导风板与离心风轮之间形成双风道；双风道的外侧设有出风口；使得该离心风机实现了两个方向进风，两个方向出风，进风及出风面积大，风机转动一圈可以实现两次成180度方向的出风，通风效率高，而且功耗低，噪音小，可以实现小体积大风量，应用范围广。The utility model has the beneficial effects that the centrifugal fan comprises a volute, a motor and a centrifugal wind wheel, the volute comprises an upper shell and a lower shell coupled thereto; the upper shell and the lower shell are provided with air inlets, The motor is installed between the upper shell and the lower shell; the centrifugal wind wheel is coupled with the motor, and the air deflector is arranged on both sides of the upper shell and the lower shell, and the double air duct is formed between the air deflector and the centrifugal wind wheel; the double air duct The outer side is provided with an air outlet; the centrifugal fan realizes air entering in two directions, and the air is discharged in two directions, and the air inlet and the air outlet area are large, and the fan can rotate twice to achieve the wind in the direction of 180 degrees, and the air is ventilated. High efficiency, low power consumption, low noise, small volume and large air volume, wide application range.
下面结合附图和具体实施例对本申请作进一步描述。The present application is further described below in conjunction with the accompanying drawings and specific embodiments.
附图说明DRAWINGS
图1为本申请双进风双出风的离心风机具体实施例一的结构爆炸图；1 is a structural exploded view of a first embodiment of a centrifugal fan with dual inlet and outlet air;
图2为图1的俯视图；Figure 2 is a plan view of Figure 1;
图3为图2中A-A的剖视图；Figure 3 is a cross-sectional view taken along line A-A of Figure 2;
图4为本申请双进风双出风的离心风机具体实施例二的结构爆炸图。Fig. 4 is a structural exploded view of a second embodiment of the centrifugal fan of the double inlet and outlet air of the present application.
10 涡壳 11 上壳10 volute 11 upper shell
12 下壳 13 进风口 12 lower case 13 air inlet
14 导风板 141 联接件14 air deflector 141 coupling
15 出风口 16 联接柱15 air outlet 16 connecting column
151 第一出风口 152 第二出风口 151 first air outlet 152 second air outlet
20 电机 30 离心风轮 20 motor 30 centrifugal wind wheel
40 双风道 40 double air duct
具体实施方式Detailed ways
为了更充分理解本申请的技术内容，下面结合具体实施例对本申请的技术方案进一步介绍和说明，但不局限于此。In order to more fully understand the technical content of the present application, the technical solutions of the present application are further described and illustrated in conjunction with the specific embodiments, but are not limited thereto.
如图1到图4所示的具体实施例；其中，如图1到图3所示的具体实施例一，一种双进风双出风的离心风机，包括涡壳10、电机20及离心风轮30，涡壳10包括上壳11、及与上壳11联接的下壳12；上壳11和下壳12均设有进风口13，电机20安装于上壳11与下壳12之间；离心风轮30与电机20联接，涡壳10上设有导风板14，导风板14与离心风轮30之间形成双风道40；双风道40的外侧设有出风口15。The specific embodiment shown in FIG. 1 to FIG. 4; wherein, according to the first embodiment shown in FIG. 1 to FIG. 3, a centrifugal fan with dual inlet and outlet air, including a volute 10, a motor 20 and centrifugation The wind turbine 30 includes a top casing 11 and a lower casing 12 coupled to the upper casing 11; the upper casing 11 and the lower casing 12 are each provided with an air inlet 13 , and the motor 20 is installed between the upper casing 11 and the lower casing 12 The centrifugal wind wheel 30 is coupled to the motor 20, and the volute 10 is provided with a wind deflector 14, a double air duct 40 is formed between the air deflector 14 and the centrifugal wind wheel 30, and an air outlet 15 is disposed outside the double air duct 40.
具体的，如图1所示，上壳11和下壳12的两侧均设有导风板14；导风板14的外端设有插槽（图中未示出），上壳11和下壳12通过插槽连接。Specifically, as shown in FIG. 1, the air deflector 14 is disposed on both sides of the upper shell 11 and the lower shell 12; the outer end of the wind deflector 14 is provided with a slot (not shown), and the upper shell 11 and The lower case 12 is connected through a slot.
具体的，如图1所示，进风口13设于上壳11和下壳12的中心位置，使得气流便于进入。Specifically, as shown in FIG. 1, the air inlet 13 is provided at the center of the upper casing 11 and the lower casing 12, so that the airflow is easy to enter.
进一步地，进风口13可以为方形或圆形或其他形状；在本实施例中，进风口13为圆形进风口；上壳11上的圆形进风口和下壳上12的圆形进风口的中心线重合。Further, the air inlet 13 may be square or circular or other shape; in the embodiment, the air inlet 13 is a circular air inlet; the circular air inlet on the upper casing 11 and the circular air inlet 12 on the lower casing 12. The centerlines coincide.
进一步地，电机20及离心风轮30的轴线与圆形进风口的中心线重合。Further, the axes of the motor 20 and the centrifugal wind wheel 30 coincide with the center line of the circular air inlet.
具体的，如图1所示，导风板14可以为直线式或螺旋线式或其他形式；在本实施例中，导风板14为螺旋线式导风板；使得结构更加牢固，联接稳定；同时，还有利于引导气流沿导风板14从出风口15吹出。Specifically, as shown in FIG. 1 , the air deflector 14 may be linear or spiral or other forms; in the embodiment, the air deflector 14 is a spiral air deflector; the structure is more firm and the connection is stable. At the same time, it is also advantageous to guide the airflow to be blown out from the air outlet 15 along the wind deflector 14.
具体的，如图1至图3所示，出风口15包括第一出风口151和第二出风口152；第一出风口151和第二出风口152分别设于离心风轮30的两侧。Specifically, as shown in FIG. 1 to FIG. 3 , the air outlet 15 includes a first air outlet 151 and a second air outlet 152 ; the first air outlet 151 and the second air outlet 152 are respectively disposed on two sides of the centrifugal wind wheel 30 .
其中，离心风轮30为前向多翼离心风轮或后向离心风轮。The centrifugal wind wheel 30 is a forward multi-blade centrifugal wind wheel or a backward centrifugal wind wheel.
其中，电机20为外转子电机、内转子电机、交流电机、直流电机或EC电机。The motor 20 is an outer rotor motor, an inner rotor motor, an alternating current motor, a direct current motor or an EC motor.
具体实施例二，如图4所示，上壳11的两侧设有若干联接柱16，下壳12与上壳11结构相同；导风板14上端和下端的内侧对应于联接柱16处均设有用于与联接柱16联接的联接件141。2, as shown in FIG. 4, a plurality of coupling posts 16 are disposed on both sides of the upper casing 11, and the lower casing 12 has the same structure as the upper casing 11; the inner sides of the upper end and the lower end of the air deflector 14 correspond to the coupling pillars 16 A coupling 141 for coupling with the coupling post 16 is provided.
于其他实施例中，上壳的一侧设有第一导风板，另一侧设有第一安装槽；下壳对应于第一导风板处设有与所述第一导风板联接的第二安装槽，下壳对应于第一安装槽处设有与第一安装槽联接的第二导风板。In other embodiments, one side of the upper case is provided with a first air guiding plate, and the other side is provided with a first mounting groove; and the lower case is corresponding to the first air guiding plate and is coupled with the first air guiding plate. And a second mounting slot, wherein the lower casing is provided with a second air guiding plate coupled to the first mounting slot at the first mounting slot.
于其他实施例中，上壳的左端或右端两侧设有第三导风板，下壳的右端或左端两侧设有与第三导风板对应的第四导风板；第三导风板与第四导风板之间通过插口联接。In other embodiments, a third air deflector is disposed on both sides of the left end or the right end of the upper shell, and a fourth air deflector corresponding to the third air deflector is disposed on both sides of the right end or the left end of the lower shell; The plate is coupled to the fourth air deflector through a socket.
综上所述，本申请中的离心风机包括涡壳、电机及离心风轮，涡壳包括上壳、及与其联接的下壳；上壳和下壳均设有进风口，电机安装于上壳与下壳之间；离心风轮与电机联接，上壳和下壳的两侧均设有导风板，导风板与离心风轮之间形成双风道；双风道的外侧设有出风口；使得该离心风机实现了两个方向进风，两个方向出风，进风及出风面积大，风机转动一圈可以实现两次成180度方向的出风，通风效率高，而且功耗低，噪音小，可以实现小体积大风量，应用范围广。In summary, the centrifugal fan in the present application comprises a volute, a motor and a centrifugal wind wheel, the volute includes an upper shell and a lower shell coupled thereto; the upper shell and the lower shell are both provided with air inlets, and the motor is mounted on the upper shell Between the lower casing and the lower casing; the centrifugal wind wheel is coupled with the motor, and the air guiding plate is arranged on both sides of the upper casing and the lower casing, and the double air duct is formed between the air guiding plate and the centrifugal wind wheel; the outer side of the double air duct is provided The air outlet makes the centrifugal fan realize the air entering in two directions, the air is discharged in two directions, the air inlet and the air outlet area are large, and the fan can rotate twice in a direction of 180 degrees, the ventilation efficiency is high, and the work is high. Low consumption, low noise, small volume and large air volume, wide application range.
上述仅以实施例来进一步说明本申请的技术内容，以便于读者更容易理解，但不代表本申请的实施方式仅限于此，任何依本申请所做的技术延伸或再创造，均受本申请的保护。本申请的保护范围以权利要求书为准。The technical content of the present application is further described by way of example only, so as to be easier for the reader to understand, but the embodiment of the present application is not limited thereto, and any technical extension or re-creation made according to the application is subject to the present application. protection of. The scope of protection of this application is subject to the claims.

Claims (10)

  1. 一种双进风双出风的离心风机，其特征在于，包括涡壳、电机及离心风轮，所述涡壳包括上壳、及与其联接的下壳；所述的上壳和下壳均设有进风口，所述电机安装于所述上壳与下壳之间；所述离心风轮与所述电机联接，所述涡壳上设有导风板，所述导风板与所述的离心风轮之间形成双风道；所述双风道的外侧设有出风口。 A double inlet air double outlet air centrifugal fan, comprising: a scroll shell, a motor and a centrifugal wind wheel, the scroll shell comprising an upper shell and a lower shell coupled thereto; the upper shell and the lower shell are both An air inlet is provided, the motor is installed between the upper shell and the lower shell; the centrifugal wind wheel is coupled to the motor, and the volute is provided with a wind deflector, the wind deflector and the A double air duct is formed between the centrifugal wind wheels; an air outlet is provided on an outer side of the double air duct.
  2. 根据权利要求1所述的一种双进风双出风的离心风机，其特征在于，所述上壳和下壳的两侧均设有导风板；所述导风板的外端设有插槽，所述上壳和下壳通过所述插槽连接。The centrifugal fan of double-inlet and double-outlet according to claim 1, wherein both sides of the upper shell and the lower shell are provided with a wind deflector; the outer end of the wind deflector is provided a slot through which the upper and lower cases are connected.
  3. 根据权利要求2所述的一种双进风双出风的离心风机，其特征在于，所述进风口设于上壳和下壳的中心位置；所述进风口为圆形进风口；所述上壳上的圆形进风口和下壳上的圆形进风口的中心线重合。The centrifugal fan of double-inlet and double-outlet according to claim 2, wherein the air inlet is disposed at a central position of the upper shell and the lower shell; the air inlet is a circular air inlet; The circular air inlet on the upper casing coincides with the center line of the circular air inlet on the lower casing.
  4. 根据权利要求3所述的一种双进风双出风的离心风机，其特征在于，所述电机及离心风轮的轴线与所述的圆形进风口的中心线重合。A centrifugal fan with double inlet and outlet air according to claim 3, wherein the axis of the motor and the centrifugal rotor coincides with the center line of the circular inlet.
  5. 根据权利要求1所述的一种双进风双出风的离心风机，其特征在于，所述导风板为螺旋线式导风板。The centrifugal fan with double inlet and outlet air according to claim 1, wherein the air deflector is a spiral air deflector.
  6. 根据权利要求1所述的一种双进风双出风的离心风机，其特征在于，所述出风口包括第一出风口和第二出风口；所述第一出风口和第二出风口分别设于所述离心风轮的两侧。The centrifugal fan of the double inlet and outlet air outlets of claim 1 , wherein the air outlet comprises a first air outlet and a second air outlet; the first air outlet and the second air outlet respectively It is disposed on both sides of the centrifugal wind wheel.
  7. 根据权利要求1所述的一种双进风双出风的离心风机，其特征在于，所述离心风轮为前向多翼离心风轮或后向离心风轮。The centrifugal fan of double-inlet and double-outlet according to claim 1, wherein the centrifugal wind wheel is a forward multi-wing centrifugal wind wheel or a backward centrifugal air wheel.
  8. 根据权利要求1所述的一种双进风双出风的离心风机，其特征在于，所述上壳的两侧设有若干联接柱，所述的下壳与上壳结构相同；所述导风板上端和下端的一侧对应于所述联接柱处均设有用于与所述联接柱联接的联接件。The double-inlet and double-outlet centrifugal fan according to claim 1, wherein a plurality of coupling columns are arranged on both sides of the upper casing, and the lower casing is identical in structure to the upper casing; One side of the upper end and the lower end of the wind plate are provided with couplings for coupling with the coupling post at the coupling post.
  9. 根据权利要求1所述的一种双进风双出风的离心风机，其特征在于，所述上壳的一侧设有第一导风板，另一侧设有第一安装槽；所述下壳对应于所述第一导风板处设有与所述第一导风板联接的第二安装槽，所述下壳对应于所述第一安装槽处设有与所述第一安装槽联接的第二导风板。The double-inlet air-discharge centrifugal fan according to claim 1, wherein one side of the upper casing is provided with a first air guiding plate, and the other side is provided with a first mounting groove; a lower mounting shell corresponding to the first air guiding plate is provided with a second mounting slot coupled to the first air guiding plate, and the lower shell is corresponding to the first mounting slot and is provided with the first mounting a second air deflector coupled to the slot.
  10. 根据权利要求1所述的一种双进风双出风的离心风机，其特征在于，所述上壳的左端或右端两侧设有第三导风板，所述下壳的右端或左端两侧设有与所述第三导风板对应的第四导风板；所述第三导风板与所述第四导风板之间通过插口联接。The double-inlet and double-outlet centrifugal fan according to claim 1, wherein a third wind deflector is disposed on both sides of the left or right end of the upper shell, and the right end or the left end of the lower shell is two A fourth air guiding plate corresponding to the third air guiding plate is disposed on the side; the third air guiding plate and the fourth air guiding plate are coupled through the socket.
PCT/CN2018/073311 2017-09-25 2018-01-19 Centrifugal fan with double air inlets and double air outlets WO2019056676A1 (en)

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