WO2021012880A1 - 一种诱导型射流风机 - Google Patents

一种诱导型射流风机 Download PDF

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Publication number
WO2021012880A1
WO2021012880A1 PCT/CN2020/098566 CN2020098566W WO2021012880A1 WO 2021012880 A1 WO2021012880 A1 WO 2021012880A1 CN 2020098566 W CN2020098566 W CN 2020098566W WO 2021012880 A1 WO2021012880 A1 WO 2021012880A1
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wall
ball
air outlet
cylinder
fixed
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PCT/CN2020/098566
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English (en)
French (fr)
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叶向阳
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浙江沈力防爆机电有限公司
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Publication of WO2021012880A1 publication Critical patent/WO2021012880A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B41/00—Pumping installations or systems specially adapted for elastic fluids
    • F04B41/06—Combinations of two or more 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
    • 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
    • F04D29/40—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
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
    • F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • F04F5/46—Arrangements of nozzles
    • F04F5/461—Adjustable nozzles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • F04F5/48—Control

Definitions

  • the invention relates to the technical field of fans, in particular to an induced jet fan.
  • the jet fan is a special axial fan, which is mainly used in the longitudinal ventilation system of highways, railways and subways. It can also be used in the semi-transverse ventilation system or the sensitive parts of the transverse ventilation system, such as the entrance and exit of the tunnel. Play the role of inducing airflow or exhausting smoke.
  • the angle of the ordinary jet fan cannot be adjusted, and sometimes there is a certain slope in some installation spaces, which cannot well play the role of inducing.
  • the purpose of the present invention is to overcome the shortcomings of the prior art and provide an induced jet fan, which can adjust the spray direction of the spray part through an angle adjustment mechanism, and the sprayed airflow is concentrated, and the induction effect is better.
  • An induced jet fan includes a shell, the shell includes a cylindrical tube, a transition cone and a hemispherical tube integrally formed from left to right, and a gap is formed on the right side of the hemispherical tube; a motor is fixed in the cylindrical tube , The motor of the motor is fixed with an impeller, and a plurality of uniformly distributed blades are fixed on the impeller; the hemispherical tube is sleeved with a spray part; the spray part includes an integrated ball and an air outlet pipe, and the air outlet pipe In communication with the inner cavity of the sphere, an air inlet is formed on the left side wall of the sphere; the outer wall of the sphere is pressed against the inner wall of the hemispherical tube, and a sphere retaining ring is fixed in the transition cone; The inner wall of the right end of the ball retaining ring is formed with a spherical inner wall matching the outer wall of the ball, the ball is pressed against the spherical inner
  • the angle adjustment mechanism includes two electric telescopic cylinders on the upper and rear sides of the injection part, each of which is fixed on the shaft of a corresponding ball head rod, and the ball head of the ball head rod rotates.
  • the ball head seat is fixed on the outer wall of the semi-cylinder;
  • the telescopic rod of each electric telescopic cylinder is fixed with a "T" type tie rod, and both ends of the cross rod of the "T" type tie rod are inserted It is sleeved on a hinged seat, and the hinged seat is fixed on the outer wall of the right end of the air outlet pipe.
  • the outer wall of the ball retaining ring has a conical outer wall and is attached to the inner wall of the transition cone.
  • the left end of the ball retaining ring is formed with a conical inner wall that communicates with the spherical inner wall. Fit on the inner wall of the transition cone.
  • the shell is fixedly connected with a hanging bracket.
  • the air outlet pipe is a tapered pipe, and the air outlet pipe is arranged large on the left and small on the right.
  • the left end of the cylindrical barrel is provided with a filter screen, and the filter screen is provided on the left side of the blade.
  • the direction of the notch is set obliquely downward, and the center axis of the notch passes through the center of the hemisphere.
  • the inclination angle ⁇ of the notch is 5°-25°.
  • the outstanding effect of the present invention is that compared with the prior art, the spraying direction of the spraying part can be adjusted by the angle adjusting mechanism, and the sprayed airflow is concentrated, and the induction effect is better.
  • Figure 1 is a schematic diagram of the structure of the present invention (the arrow in the figure indicates the flow direction of the airflow);
  • Figure 2 is a top view of the present invention
  • Figure 3 is a right side view of the present invention.
  • an induced jet fan includes a casing 1, which includes a cylindrical barrel 11, a transition cone 12, and a hemispherical barrel 13 integrally formed from left to right.
  • a notch 14 is formed on the right side of the hemispherical cylinder 13;
  • a motor 21 is fixed in the cylindrical cylinder 11, an impeller 22 is fixed on the motor of the motor 21, and a plurality of uniformly distributed blades 23 are fixed on the impeller 22;
  • the hemisphere The barrel 13 is sleeved with an injection part 3;
  • the injection part 3 includes an integrally formed ball 31 and an air outlet pipe 32, the air outlet pipe 32 communicates with the inner cavity of the ball 31, and the left side wall of the ball 31
  • An air inlet 33 is formed on the upper part;
  • the outer wall of the ball 31 is pressed against the inner wall of the hemispherical cylinder 13, a ball retaining ring 4 is fixed in the transition cone 12, and the inner wall of the right end of the ball retaining ring 4 is formed
  • the angle adjustment mechanism 5 includes two electric telescopic cylinders 51 on the upper and rear sides of the injection part 3, respectively, and the cylinder body of each electric telescopic cylinder 51 is fixed on the corresponding one of the ball head rod 52.
  • the ball head of the ball head rod 52 is rotatably connected to a corresponding ball head seat 53 which is fixed on the outer wall of the semi-cylinder 13; the telescopic rod of each electric telescopic cylinder 51 is fixed with "T"
  • the two ends of the cross bar of the “T”-shaped pull rod 54 are inserted and sleeved on the hinge seat 55, and the hinge seat 55 is fixed on the outer wall of the right end of the air outlet pipe 32.
  • the outer wall of the ball retaining ring 4 has a conical outer wall and is attached to the inner wall of the transition cone 12, and the left end of the ball retaining ring 4 is formed with a conical inner wall 42 communicating with the spherical inner wall 41, and the conical inner wall 42 The left is large and the right is small, and the top of the left end of the cone inner wall 42 is attached to the inner wall of the transition cone 12.
  • a hanging bracket 6 is fixedly connected to the housing 1.
  • the air outlet pipe 32 is a tapered pipe, and the air outlet pipe 32 is arranged to be larger on the left and smaller on the right.
  • a filter screen 7 is provided at the left end of the cylindrical barrel 11, and the filter screen 7 is provided on the left side of the blade 23.
  • the direction of the notch 14 is set obliquely downward, and the center axis of the notch 14 passes through the center of the hemispherical cylinder 13.
  • the inclination angle ⁇ of the notch 14 is 5°-25°.
  • the motor 21 drives the impeller 22 to rotate, and the impeller 22 drives the blades 23 to rotate.
  • the air through the blades enters the housing 1 after being filtered by the filter screen 7, and then enters the inner cavity of the spray part through the air inlet 33. Finally, it is sprayed out through the air outlet pipe 32; when the angle of the air outlet pipe of the spray part needs to be adjusted, it is through the expansion and contraction of the two electric telescopic cylinders 51 and the common combination of the "T" rod 54, the ball head and the ball head seat.
  • the function can drive the air outlet pipe to rotate up and down, left and right, so that the air outlet pipe can be adjusted to the required position.

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

Abstract

一种诱导型射流风机，包括壳体(1)，壳体(1)包括圆柱筒(11)、过渡锥筒(12)和半球筒(13)，半球筒(13)的右侧成型有豁口(14)；半球筒(13)内套接有喷射部(3)；喷射部(3)包括一体成型的圆球(31)和出风管(32)，出风管(32)与圆球(31)的内腔相通，圆球(31)的左侧壁上成型有进风口(33)；圆球(31)的外壁压靠在半球筒(13)的内壁上，过渡锥筒(12)内固定有圆球保持圈(4)，圆球保持圈(4)的右端内壁上成型有与圆球(31)的外壁相配合的球形内壁(41)，圆球(31)压靠在球形内壁(41)上，出风管(32)插套在豁口(14)内；喷射部(3)设有角度调节机构(5)。该风机可以通过角度调节机构调节喷射部的喷射方向，且喷出的气流集中，诱导效果较好。

Description

一种诱导型射流风机 技术领域：
本发明涉及风机技术领域，具体涉及一种诱导型射流风机。
背景技术
射流风机是一种特殊的轴流风机，主要用于公路、铁路及地铁等隧道的纵向通风系统中；也可用于半横向通风系统或横向通风系统中的敏感部位，如隧道的进、出口，起诱导气流或排烟等作用。现有技术下，普通射流风机无法调整角度，有时某些安装空间存在一定的坡度，不能很好的起到诱导的作用。
发明内容
本发明的目的是克服现有技术的不足，提供一种诱导型射流风机，它可以通过角度调节机构调节喷射部的喷射方向，且喷出的气流集中，诱导效果较好。
本发明解决所述技术问题的方案是：
一种诱导型射流风机，包括壳体，所述壳体包括从左到右一体成型的圆柱筒、过渡锥筒和半球筒，半球筒的右侧成型有豁口；所述圆柱筒内固定有电机，电机的电机上固定有叶轮，叶轮上固定有多个圆周均布的叶片；所述半球筒内套接有喷射部；所述喷射部包括一体成型的圆球和出风管，出风管与圆球的内腔相通，所述圆球的左侧壁上成型有进风口；所述圆球的外壁压靠在半球筒的内壁上，所述过渡锥 筒内固定有圆球保持圈，圆球保持圈的右端内壁上成型有与圆球的外壁相配合的球形内壁，圆球压靠在球形内壁上，所述出风管插套在豁口内；所述喷射部设有角度调节机构。
所述角度调节机构包括两个分别设置的喷射部的上方和后侧的电动伸缩缸，每个电动伸缩缸的缸体固定在对应的一个球头杆的杆部，球头杆的球头转动连接在对应的一个球头座上，球头座固定在半圆筒的外壁上；每个电动伸缩缸的伸缩杆上固定有“T”型拉杆，“T”型拉杆的横杆的两端插套在铰接座上，铰接座固定在出风管的右端外壁上。
所述圆球保持圈的外壁圆锥外壁且贴合在过渡锥筒的内壁上，圆球保持圈的左端成型有与球形内壁相通的圆锥内壁，圆锥内壁左大右小设置，圆锥内壁的左端顶部贴合在过渡锥筒的内壁上。
所述壳体固定连接有吊支架。
所述出风管为锥形管，出风管左大右小设置。
所述圆柱筒的左端设有滤网，滤网设置在叶片的左侧。
所述豁口的方向斜向下设置，所述豁口的中心轴线经过半球筒的球心。
所述豁口倾斜角度θ在5°～25°。
本发明的突出效果是：与现有技术相比，它可以通过角度调节机构调节喷射部的喷射方向，且喷出的气流集中，诱导效果较好。
附图说明
图1为本发明的结构示意图(图中箭头表示气流的流向)；
图2为本发明的俯视图；
图3为本发明的右视图。
具体实施方式
实施例，见如图1至图3所示，一种诱导型射流风机，包括壳体1，所述壳体1包括从左到右一体成型的圆柱筒11、过渡锥筒12和半球筒13，半球筒13的右侧成型有豁口14；所述圆柱筒11内固定有电机21，电机21的电机上固定有叶轮22，叶轮22上固定有多个圆周均布的叶片23；所述半球筒13内套接有喷射部3；所述喷射部3包括一体成型的圆球31和出风管32，出风管32与圆球31的内腔相通，所述圆球31的左侧壁上成型有进风口33；所述圆球31的外壁压靠在半球筒13的内壁上，所述过渡锥筒12内固定有圆球保持圈4，圆球保持圈4的右端内壁上成型有与圆球31的外壁相配合的球形内壁41，圆球31压靠在球形内壁41上，所述出风管32插套在豁口14内；所述喷射部3设有角度调节机构5。
更进一步的说，所述角度调节机构5包括两个分别设置的喷射部3的上方和后侧的电动伸缩缸51，每个电动伸缩缸51的缸体固定在对应的一个球头杆52的杆部，球头杆52的球头转动连接在对应的一个球头座53上，球头座53固定在半圆筒13的外壁上；每个电动伸缩缸51的伸缩杆上固定有“T”型拉杆54，“T”型拉杆54的横杆的两端插套在铰接座55上，铰接座55固定在出风管32的右端外壁上。
更进一步的说，所述圆球保持圈4的外壁圆锥外壁且贴合在过渡锥筒12的内壁上，圆球保持圈4的左端成型有与球形内壁41相通的 圆锥内壁42，圆锥内壁42左大右小设置，圆锥内壁42的左端顶部贴合在过渡锥筒12的内壁上。
更进一步的说，所述壳体1固定连接有吊支架6。
更进一步的说，所述出风管32为锥形管，出风管32左大右小设置。
更进一步的说，所述圆柱筒11的左端设有滤网7，滤网7设置在叶片23的左侧。
更进一步的说，所述豁口14的方向斜向下设置，所述豁口14的中心轴线经过半球筒13的球心。
更进一步的说，所述豁口14的倾斜角度θ在5°～25°。
工作原理：电机21带动叶轮22转动，叶轮22带动叶片23转动，通过叶片的作用空气经滤网7的过滤后进入到壳体1内，然后在经过进风口33进入到喷射部的内腔，最后经出风管32喷射而出；当需要调节喷射部的出风管角度时，通过两个电动伸缩缸51的伸展和收缩及“T”型拉杆54、球头杆、球头座的共同作用可驱使出风管上下左右任意转动，从而可以将出风管调节到需要的位置。
最后，以上实施方式仅用于说明本发明，而并非对本发明的限制，有关技术领域的普通技术人员，在不脱离本发明的精神和范围的情况下，还可以做出各种变化和变型，因此所有等同的技术方案也属于本发明的范畴，本发明的专利保护范围应由权利要求限定。

Claims (8)

  1. 一种诱导型射流风机，包括壳体(1)，其特征在于：所述壳体(1)包括从左到右一体成型的圆柱筒(11)、过渡锥筒(12)和半球筒(13)，半球筒(13)的右侧成型有豁口(14)；所述圆柱筒(11)内固定有电机(21)，电机(21)的电机上固定有叶轮(22)，叶轮(22)上固定有多个圆周均布的叶片(23)；所述半球筒(13)内套接有喷射部(3)；所述喷射部(3)包括一体成型的圆球(31)和出风管(32)，出风管(32)与圆球(31)的内腔相通，所述圆球(31)的左侧壁上成型有进风口(33)；所述圆球(31)的外壁压靠在半球筒(13)的内壁上，所述过渡锥筒(12)内固定有圆球保持圈(4)，圆球保持圈(4)的右端内壁上成型有与圆球(31)的外壁相配合的球形内壁(41)，圆球(31)压靠在球形内壁(41)上，所述出风管(32)插套在豁口(14)内；所述喷射部(3)设有角度调节机构(5)。
  2. 根据权利要求1所述的一种诱导型射流风机，其特征在于：所述角度调节机构(5)包括两个分别设置的喷射部(3)的上方和后侧的电动伸缩缸(51)，每个电动伸缩缸(51)的缸体固定在对应的一个球头杆(52)的杆部，球头杆(52)的球头转动连接在对应的一个球头座(53)上，球头座(53)固定在半圆筒(13)的外壁上；每个电动伸缩缸(51)的伸缩杆上固定有“T”型拉杆(54)，“T”型拉杆(54)的横杆的两端插套在铰接座(55)上，铰接座(55)固定在出风管(32)的右端外壁上。
  3. 根据权利要求1所述的一种诱导型射流风机，其特征在于： 所述圆球保持圈(4)的外壁圆锥外壁且贴合在过渡锥筒(12)的内壁上，圆球保持圈(4)的左端成型有与球形内壁(41)相通的圆锥内壁(42)，圆锥内壁(42)左大右小设置，圆锥内壁(42)的左端顶部贴合在过渡锥筒(12)的内壁上。
  4. 根据权利要求1所述的一种诱导型射流风机，其特征在于：所述壳体(1)固定连接有吊支架(6)。
  5. 根据权利要求1所述的一种诱导型射流风机，其特征在于：所述出风管(32)为锥形管，出风管(32)左大右小设置。
  6. 根据权利要求1所述的一种诱导型射流风机，其特征在于：所述圆柱筒(11)的左端设有滤网(7)，滤网(7)设置在叶片(23)的左侧。
  7. 根据权利要求1所述的一种诱导型射流风机，其特征在于：所述豁口(14)的方向斜向下设置，所述豁口(14)的中心轴线经过半球筒(13)的球心。
  8. 根据权利要求7所述的一种诱导型射流风机，其特征在于：所述豁口(14)的倾斜角度θ在5°～25°。
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