WO2020097951A1 - Closed fan for ship - Google Patents

Closed fan for ship Download PDF

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Publication number
WO2020097951A1
WO2020097951A1 PCT/CN2018/116431 CN2018116431W WO2020097951A1 WO 2020097951 A1 WO2020097951 A1 WO 2020097951A1 CN 2018116431 W CN2018116431 W CN 2018116431W WO 2020097951 A1 WO2020097951 A1 WO 2020097951A1
Authority
WO
WIPO (PCT)
Prior art keywords
shell
impeller
motor
guide vane
vane body
Prior art date
Application number
PCT/CN2018/116431
Other languages
French (fr)
Chinese (zh)
Inventor
张娟
Original Assignee
海明（江苏）环境科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 海明（江苏）环境科技有限公司 filed Critical 海明（江苏）环境科技有限公司
Publication of WO2020097951A1 publication Critical patent/WO2020097951A1/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
    • F04D29/002—Details, component parts, or accessories 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
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/5806—Cooling the drive system
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft

Definitions

  • the present invention relates to a fan, specifically a marine closed fan.
  • the ventilation system used to improve the cabin environment is a more important part.
  • the motor is placed outside the shell and needs to be It is equipped with a cooling fan, which works under long-term operation and ocean wave environment. It has large vibration and large noise, which cannot meet the requirements of existing silent ventilation.
  • the present invention provides a closed-type marine fan with a simple structure and vibration and noise reduction.
  • a marine closed fan which is characterized by comprising a front shell, a front middle shell, a rear middle shell, a rear shell, a motor, a front impeller, a front guide vane body, a rear impeller and a rear guide vane body ,
  • the front impeller and the front guide vane body are arranged in the front half shell connected by the front shell and the front middle shell
  • the rear impeller and the rear guide vane body are arranged in the rear half shell connected by the rear shell and the rear middle shell
  • the front middle shell The front and rear half shells are connected to the front and rear shells to complete the connection of the front and rear half shells.
  • the front guide vane body is connected to the fixed motor.
  • the front output shaft of the motor extends into the front impeller and connects to the front impeller.
  • the rear output shaft of the motor extends into the rear impeller and Connect the rear impeller.
  • the front shell and the rear shell are wavy, and the outer shapes of the front and rear impellers, front and rear guide vanes are correspondingly wavy.
  • the invention adopts the motor to be connected and fixed on the front middle guide vane body in the integral casing.
  • the motor does not need to be equipped with a cooling fan, which reduces the noise source, can effectively reduce the noise of the fan, and meet the requirements of silent ventilation; the front and rear shafts of the motor are used
  • the front and rear impellers are connected, and the front and rear supports of the motor are stable, which is helpful to reduce working vibration.
  • the wave-shaped ventilation channel formed between the casing, the impeller, and the guide vane body With the wave-shaped ventilation channel formed between the casing, the impeller, and the guide vane body, the aerodynamic performance of the fan is effectively enhanced and the use effect is improved.
  • Figure 1 is a schematic diagram of the structure of the present invention.
  • front casing 1 front middle casing 2, rear middle casing 3, rear casing 4, motor 5, front output shaft 51, rear output shaft 52, front impeller 6, front guide vane body 7, rear impeller 8, rear guide vane ⁇ 9. 9. Body 9.
  • a marine closed fan includes a front casing 1, a front middle casing 2, a rear middle casing 3, a rear casing 4, a motor 5, a front impeller 6, a front guide vane 7, a rear impeller 8, a rear guide vane 9.
  • the front impeller 6 and the front guide vane body 7 are arranged in the front half shell connected by the front casing 1 and the front middle casing 2, and the rear impeller 8 and the rear guide blade body 9 are arranged by the rear casing 4 and the rear middle casing 3
  • the front middle shell 2 and the rear middle shell 3 are connected back and forth to complete the connection of the front and rear half shells.
  • the front shell and the rear shell are wavy, and the outer shapes of the front, rear impeller, front and rear guide vanes correspond to waves
  • the shape of the wavy air duct is formed.
  • the front guide vane body 7 is connected to the fixed motor 5.
  • the front output shaft 51 of the motor 5 extends into the front impeller and connects to the front impeller 6.
  • the rear output shaft 52 of the motor extends to the rear impeller ⁇ ⁇ ⁇ ⁇ 8 ⁇ 8 and connect the rear impeller 8.

Abstract

Provided is a closed fan for ship, comprising a front shell (1), a front middle shell (2), a rear middle shell (3), a rear shell (4), a motor (5), a front impeller (6), a front guide vane body (7), a rear impeller (8) and a rear guide vane body (9), wherein, the front impeller (6) and the front guide vane body (7) are arranged in a front half shell formed by connecting the front shell (1) and the front middle shell (2), the rear impeller (8) and the rear guide vane body (9) are arranged in a rear half shell formed by connecting the rear shell (4) and the rear middle shell (3), the front middle shell (2) and the rear middle shell (3) are connected front and back to complete connection of the front half shell and the rear half shell, the motor (5) fixedly penetrates through the front guide vane body (7), a front output shaft (51) of the motor (5) extends into the front impeller and is connected with the front impeller (6), and a rear output shaft (52) of the motor extends into the rear impeller and is connected with the rear impeller (8). The motor (5) is connected and fixed to the front middle guide vane body (7) in the whole shell in a penetrating mode, the motor (5) does not need to be provided with a cooling fan, noise sources are reduced, noise of the fan can be effectively lowered, and the mute ventilation requirement is met.

Description

一种船用闭式风机Ship closed fan 技术领域Technical field
本发明涉及一种风机，具体说是一种船用闭式风机。The present invention relates to a fan, specifically a marine closed fan.
背景技术Background technique
随着我国船舶事业的发展，船舶运营需要更多高科技、高水平的设备，其中用于改善舱室环境的通风系统属于较为重要的部分，常用的风机进行通风时，电机放置在壳体外，需要配置冷却风扇，在长期运行以及海洋波浪环境下工作，振动大、噪音大，无法满足现有静音通风的要求。With the development of China's shipping industry, more high-tech and high-level equipment is required for ship operations. Among them, the ventilation system used to improve the cabin environment is a more important part. When the common fan is used for ventilation, the motor is placed outside the shell and needs to be It is equipped with a cooling fan, which works under long-term operation and ocean wave environment. It has large vibration and large noise, which cannot meet the requirements of existing silent ventilation.
发明内容Summary of the invention
针对上述不足，本发明提供了一种结构简单，减振降噪的船用闭式风机。In view of the above shortcomings, the present invention provides a closed-type marine fan with a simple structure and vibration and noise reduction.
本发明采用的技术方案是：一种船用闭式风机，其特征在于：包括前外壳、前中外壳、后中外壳、后外壳、电机、前叶轮、前导叶体、后叶轮和后导叶体，前叶轮、前导叶体设置于由前外壳、前中外壳连接成的前半壳内，后叶轮和后导叶体设置于由后外壳、后中外壳连接成的后半壳内，前中外壳与后中外壳前后连接完成前、后半壳的连接，前导叶体上穿接固定电机，电机的前出轴伸至前叶轮内并连接前叶轮，电机的后出轴伸至后叶轮内并连接后叶轮。The technical scheme adopted by the invention is: a marine closed fan, which is characterized by comprising a front shell, a front middle shell, a rear middle shell, a rear shell, a motor, a front impeller, a front guide vane body, a rear impeller and a rear guide vane body , The front impeller and the front guide vane body are arranged in the front half shell connected by the front shell and the front middle shell, the rear impeller and the rear guide vane body are arranged in the rear half shell connected by the rear shell and the rear middle shell, the front middle shell The front and rear half shells are connected to the front and rear shells to complete the connection of the front and rear half shells. The front guide vane body is connected to the fixed motor. The front output shaft of the motor extends into the front impeller and connects to the front impeller. The rear output shaft of the motor extends into the rear impeller and Connect the rear impeller.
所述前外壳、后外壳为波浪状，前、后叶轮、前、后导叶体外型对应呈波浪状。The front shell and the rear shell are wavy, and the outer shapes of the front and rear impellers, front and rear guide vanes are correspondingly wavy.
本发明采用电机穿接固定在整体壳体内的的前中导叶体上，电机无需配置冷却风扇，减少噪音源，可有效降低风机的噪音，满足静音通风要求；采用电机的前、后出轴连接前、后叶轮，电机前、后支撑稳定，有利于减少工作振动，配合由壳体与叶轮、导叶体间形成的波浪形通风通道，有效增强风机的气动性能，提高使用效果。The invention adopts the motor to be connected and fixed on the front middle guide vane body in the integral casing. The motor does not need to be equipped with a cooling fan, which reduces the noise source, can effectively reduce the noise of the fan, and meet the requirements of silent ventilation; the front and rear shafts of the motor are used The front and rear impellers are connected, and the front and rear supports of the motor are stable, which is helpful to reduce working vibration. With the wave-shaped ventilation channel formed between the casing, the impeller, and the guide vane body, the aerodynamic performance of the fan is effectively enhanced and the use effect is improved.
附图说明BRIEF DESCRIPTION
图1为本发明结构示意图。Figure 1 is a schematic diagram of the structure of the present invention.
图中：前外壳1、前中外壳2、后中外壳3、后外壳4、电机5、前出轴51、后出轴52、前叶轮6、前导叶体7、后叶轮8、后导叶体9。In the picture: front casing 1, front middle casing 2, rear middle casing 3, rear casing 4, motor 5, front output shaft 51, rear output shaft 52, front impeller 6, front guide vane body 7, rear impeller 8, rear guide vane体 9. 9. Body 9.
具体实施方式detailed description
以下结合附图和实施例作进一步说明。The following is a further description with reference to the drawings and embodiments.
图1所示：一种船用闭式风机包括前外壳1、前中外壳2、后中外壳3、后外壳4、电机5、前叶轮6、前导叶体7、后叶轮8、后导叶体9，前叶轮6、前导叶体7设置于由前外壳1、前中外壳2连接成的前半壳内，后叶轮8和后导叶体9设置于由后外壳4、后中外壳3连接成的后半壳内，前中外壳2与后中外壳3前后连接完成前、后半壳的连接，前外壳、后外壳为波浪状，前、后叶轮、前、后导叶体外型对应呈波浪状，由此形成波浪状的风道，前导叶体7上穿接固定电机5，电机5的前出轴51伸至前叶轮内并连接前叶轮6，电机的后出轴52伸至后叶轮内并连接后叶轮8。As shown in Figure 1: A marine closed fan includes a front casing 1, a front middle casing 2, a rear middle casing 3, a rear casing 4, a motor 5, a front impeller 6, a front guide vane 7, a rear impeller 8, a rear guide vane 9. The front impeller 6 and the front guide vane body 7 are arranged in the front half shell connected by the front casing 1 and the front middle casing 2, and the rear impeller 8 and the rear guide blade body 9 are arranged by the rear casing 4 and the rear middle casing 3 In the rear half shell, the front middle shell 2 and the rear middle shell 3 are connected back and forth to complete the connection of the front and rear half shells. The front shell and the rear shell are wavy, and the outer shapes of the front, rear impeller, front and rear guide vanes correspond to waves The shape of the wavy air duct is formed. The front guide vane body 7 is connected to the fixed motor 5. The front output shaft 51 of the motor 5 extends into the front impeller and connects to the front impeller 6. The rear output shaft 52 of the motor extends to the rear impeller内 与 连接 后 后轮 8。 8 and connect the rear impeller 8.

Claims (2)

  1. 一种船用闭式风机，其特征在于：包括前外壳、前中外壳、后中外壳、后外壳、电机、前叶轮、前导叶体、后叶轮和后导叶体，前叶轮、前导叶体设置于由前外壳、前中外壳连接成的前半壳内，后叶轮和后导叶体设置于由后外壳、后中外壳连接成的后半壳内，前中外壳与后中外壳前后连接完成前、后半壳的连接，前导叶体上穿接固定电机，电机的前出轴伸至前叶轮内并连接前叶轮，电机的后出轴伸至后叶轮内并连接后叶轮。A marine closed fan, characterized in that it includes a front casing, a front middle casing, a rear middle casing, a rear casing, a motor, a front impeller, a front guide blade body, a rear impeller and a rear guide blade body, and the front impeller and front guide blade body are arranged In the front half shell connected by the front shell and the front middle shell, the rear impeller and the rear guide vane body are arranged in the rear half shell formed by the rear shell and the rear middle shell. 1. The connection of the rear half shell, the front guide vane body is connected to the fixed motor, the front output shaft of the motor extends into the front impeller and connects to the front impeller, and the rear output shaft of the motor extends into the rear impeller and connects to the rear impeller.
  2. 根据权利要求1所述的一种船用闭式风机，其特征在于：所述前外壳、后外壳为波浪状，前、后叶轮、前、后导叶体外型对应呈波浪状。The closed fan for ships according to claim 1, wherein the front shell and the rear shell are wavy, and the outer shapes of the front and rear impellers, front and rear guide vanes are correspondingly wavy.
PCT/CN2018/116431 2018-11-15 2018-11-20 Closed fan for ship WO2020097951A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811358214.0 2018-11-15
CN201811358214.0A CN109236702A (en) 2018-11-15 2018-11-15 A kind of enclosed blower peculiar to vessel

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Publication Number Publication Date
WO2020097951A1 true WO2020097951A1 (en) 2020-05-22

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111894872A (en) * 2020-07-10 2020-11-06 绍兴智新机电科技有限公司 Two-stage booster-type low noise fan
CN111927795A (en) * 2020-08-20 2020-11-13 绍兴智新机电科技有限公司 Two-stage axial flow low-noise fan

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CN104389800A (en) * 2014-10-15 2015-03-04 陈远进 Mixed flow air compressor of aero-engine
CN205101263U (en) * 2015-10-30 2016-03-23 中南大学 Bilobed wheel axial -flow blower
CN205895649U (en) * 2016-07-19 2017-01-18 山西巨龙风机有限公司 Mining high pressure auxiliary ventilating fan
CN206682002U (en) * 2017-03-03 2017-11-28 上海奥一泵业制造有限公司 Portable multistage backslash stream immersible pump
CN108240344A (en) * 2016-12-23 2018-07-03 华中科技大学 A kind of two-stage diagonal flow fan

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CN100445568C (en) * 2006-01-12 2008-12-24 上海交通大学 Single impellor axial fan of traction electric machine brake cooling system
CN104564744A (en) * 2015-01-23 2015-04-29 浙江金盾风机股份有限公司 Axial flow fan for nuclear power station containment continuous ventilation system
CN204783717U (en) * 2015-07-07 2015-11-18 湖南南方长河泵业有限公司 Multistage vertical high specific speed mixed flow pump
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US20050002781A1 (en) * 2002-12-03 2005-01-06 Rolls-Royce Plc Compressor for a gas turbine engine
CN104389800A (en) * 2014-10-15 2015-03-04 陈远进 Mixed flow air compressor of aero-engine
CN205101263U (en) * 2015-10-30 2016-03-23 中南大学 Bilobed wheel axial -flow blower
CN205895649U (en) * 2016-07-19 2017-01-18 山西巨龙风机有限公司 Mining high pressure auxiliary ventilating fan
CN108240344A (en) * 2016-12-23 2018-07-03 华中科技大学 A kind of two-stage diagonal flow fan
CN206682002U (en) * 2017-03-03 2017-11-28 上海奥一泵业制造有限公司 Portable multistage backslash stream immersible pump

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