WO2019222930A1 - 轨道交通车辆空调风机 - Google Patents

轨道交通车辆空调风机 Download PDF

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Publication number
WO2019222930A1
WO2019222930A1 PCT/CN2018/087928 CN2018087928W WO2019222930A1 WO 2019222930 A1 WO2019222930 A1 WO 2019222930A1 CN 2018087928 W CN2018087928 W CN 2018087928W WO 2019222930 A1 WO2019222930 A1 WO 2019222930A1
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Prior art keywords
casing
air
air outlet
base
impeller
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PCT/CN2018/087928
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English (en)
French (fr)
Inventor
乐荣
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江苏荣邦机械制造有限公司
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Priority to PCT/CN2018/087928 priority Critical patent/WO2019222930A1/zh
Publication of WO2019222930A1 publication Critical patent/WO2019222930A1/zh

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    • 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
    • F04D29/30—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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing

Definitions

  • the invention relates to a fan, in particular to an air conditioning fan for a rail transit vehicle.
  • the structure of the existing fan mainly includes: a base, a housing provided on the base, an air inlet and an air outlet provided on the housing, a motor provided on one side of the housing, and a motor shaft of the motor extending into the housing to be in contact with the impeller. connection.
  • An existing fan can only drive one impeller to work, which has high investment cost and high noise.
  • the air intake and output of the fan are small, which affects the working quality of the rail vehicle air conditioning unit.
  • the existing fan cannot adjust the air outlet. The amount of air output is inconvenient to use.
  • Most of the blades on the impeller have a straight bar structure, the air suction effect is not ideal, the structure strength is poor, it is easy to damage, the frequency of maintenance is frequent, and the service life is short.
  • the technical problem to be solved by the present invention is to provide a rail vehicle air conditioning fan with large air volume and low noise.
  • a fan structure of a rail vehicle air conditioning unit comprising: a base, a left case and a right case provided on the base, and symmetrically disposed on both sides of the left case
  • a left air inlet is provided with a left air outlet at the front end of the left case
  • a right air inlet is symmetrically provided at both sides of the right case
  • a right air outlet is provided at the front end of the right case.
  • the base between the left casing and the right casing is provided with a biaxial extension motor, and a junction box is provided at the upper end of the biaxial extension motor.
  • the motor shafts of the biaxial extension motor respectively extend into the left casing and The right casing is connected with the impeller.
  • a further technical solution adopted by the present invention is that: an upper end of the left casing near the left air outlet and an upper end of the right casing near the right air outlet are respectively provided with slots, An adjusting baffle is slidably disposed in the groove, and the two adjusting baffles are connected by a connecting rod, and a middle portion of the connecting rod is connected with a piston rod of a jacking cylinder, and the jacking cylinder is supported by a support frame on the left shell On the base between the body and the right case.
  • the structure of the impeller includes: an impeller disc connected to a motor shaft of a biaxial extension motor, and a plurality of the impeller disc are evenly arranged on the impeller disc.
  • the invention has the advantages that the above-mentioned rail vehicle air-conditioning fan controls the operation of two impellers by one motor, which reduces the investment cost, and simultaneously uses four air inlets and two air outlets to increase the air intake and air output, and reduce The overall noise is improved, and the working quality of the rail vehicle air-conditioning unit is improved.
  • the air outlet area of the fan outlet can be controlled by adjusting the baffle, so as to control the air volume of the fan, and the adjustment is convenient.
  • the blades of the impeller are designed as isosceles triangles.
  • the apex angle of the isosceles triangle is an obtuse angle of 120 degrees to 150 degrees, which improves the rotation efficiency and structural strength of the impeller, has a good suction effect, is not easy to damage, and has a long service life.
  • FIG. 1 is a schematic structural diagram of an air conditioning fan for a rail transit vehicle according to the present invention.
  • FIG. 2 is a schematic top plan view of FIG. 1.
  • FIG. 3 is a schematic structural view of the right side of FIG. 1.
  • FIG. 4 is a schematic structural diagram of the impeller in FIG. 1.
  • FIG. 5 is a schematic diagram of the three-dimensional structure of the middle-waist triangular blade of FIG. 4.
  • the air-conditioning fan for rail transit vehicles includes: a base 1, a left case 2 and a right case 3 provided on the base 1, and the left case A left air inlet 21 is provided symmetrically on both sides of the body 2, a left air outlet 21 is provided at the front end of the left case 2, and a right air inlet 31 is provided symmetrically on both sides of the right case 3.
  • a right air outlet 32 is provided at the front end of the right casing 3
  • a biaxial extension motor 4 is provided on the base 1 between the left casing 2 and the right casing 3
  • an upper end of the biaxial extension motor 4 is provided
  • a junction box 5 is provided, and the motor shafts of the dual-shaft extension motor 4 extend into the left casing 2 and the right casing 3 and are connected to the impeller 6.
  • slots 7 are respectively provided on the upper end of the left casing 2 near the left air outlet 21 and the upper end of the right casing 3 near the right air outlet 32.
  • An adjusting baffle 8 is slidably provided in the slot 7, and the two adjusting baffles 8 are connected by a connecting rod 9, and a middle portion of the connecting rod 9 is connected to a piston rod 11 of a jacking cylinder 10.
  • the lifting cylinder 10 is supported on a base 1 between a left casing 2 and a right casing 3 through a support frame 12.
  • the structure of the impeller 6 includes: an impeller disc 61 connected to a motor shaft of a biaxial extension motor 4.
  • a plurality of isosceles triangle blades 62 are evenly arranged on 61.
  • the bottom sides of the isosceles triangle blades 62 are connected by reinforcing ribs 63.
  • the top angle of the isosceles triangle blades 62 is 120 degrees to 150 degrees.
  • the junction box 5 and the lifting cylinder 10 of the dual-axis stretch motor 4 to the electric control cabinet of the rail-vehicle air-conditioning unit, and start the motors of the dual-axis stretch motor 4 and the dual-axis stretch motor 4.
  • the shaft drives the impeller 6 in the casing 2 and the right casing 3 to rotate, and the air enters from the left air inlet 21 on both sides of the left casing 2 and the right air inlet 21 on both sides of the right casing 3, and enters the left casing.
  • the air in the body 2 is discharged from the left air outlet 22 through the rotating impeller 6, and the air entering the right housing 3 is discharged through the right air outlet 32 through the rotating impeller 6.
  • the jacking cylinder 10 When it is necessary to adjust the cross-sectional area of the air outlet of the left air outlet 22 and the right air outlet 32, the jacking cylinder 10 is activated.
  • the piston rod 11 of the jacking cylinder 10 pushes the connecting rod 9 to move upward.
  • the connecting rod 9 drives the two adjusting baffles 8 in The slot 7 slides upward to increase the cross-sectional area of the air outlets of the left and right air outlets 22 and 32.
  • the piston rod 11 of the jack cylinder 10 moves downward, the The cross-sectional area of the wind becomes smaller.
  • the above-mentioned rail vehicle air-conditioning fan controls the operation of two impellers by one motor, which reduces the investment cost.
  • the use of four air inlets and two air outlets increases the air intake and air output, reduces the overall noise, and improves
  • the working quality of the rail vehicle air-conditioning unit in addition, the air outlet area of the fan can be controlled by adjusting the baffle, so as to control the air volume of the fan, and the adjustment is convenient.
  • the blades of the impeller are designed as an isosceles triangle structure.
  • the apex angle is an obtuse angle between 120 degrees and 150 degrees, which improves the rotation efficiency and structural strength of the impeller, has a good suction effect, is not easily damaged, and has a long service life.

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

Abstract

一种轨道交通车辆空调风机，包括：底座(1)，设置在底座(1)上的左壳体(2)和右壳体(3)，在左壳体(2)的两侧对称设置有左进风口(21)，在左壳体(2)的前端设置有左出风口(22)，在右壳体(3)的两侧对称设置有右进风口(31)，在右壳体(3)的前端设置有右出风口(32)，在左壳体(2)和右壳体(3)之间的底座(1)上设置有双轴伸电动机(4)，在双轴伸电动机(4)的上端设置有接线盒(5)，双轴伸电动机(4)的电机轴分别伸入左壳体(2)和右壳体(3)内与叶轮(6)相连接。

Description

轨道交通车辆空调风机 技术领域
本发明涉及一种风机，尤其涉及一种轨道交通车辆空调风机。
背景技术
轨道车辆在使用过程中，需要进行空气循环，在轨道车辆空调机组的内会使用到风机。现有风机的结构主要包括：底座，设置在底座上的壳体，设置在壳体上的进风口和出风口，设置在壳体一侧的电动机，电动机的电机轴伸入壳体内与叶轮相连接。现有的风机一个电动机只能驱动一个叶轮工作，投资成本高，噪音大，同时风机的吸风量和出风量较小，影响轨道车辆空调机组的工作质量，另外，现有的风机不能调节出风口的出风量，使用不方便，叶轮上的叶片多为直板结构，吸风效果不理想，结构强度差，易损坏，维修次数频繁，使用寿命短。
发明内容
本发明所要解决的技术问题是：提供一种风量大、噪音低的轨道车辆空调风机。
为了解决上述技术问题，本发明采用的技术方案是：轨道车辆空调机组风机结构，包括：底座，设置在底座上的左壳体和右壳体，在所述左壳体的两侧对称设置有左进风口，在所述左壳体的前端设置有左出风口，在所述右壳体的两侧对称设置有右进风口，在所述右壳体的前端设置有右出风口，在所述左壳体和右壳体之间的底座上设置有双轴伸电动机，在所述双轴伸电动机的上端设置有接线盒，所述双轴伸电动机的电机轴分别伸入左壳体和右壳体内与叶轮相连接。
为了更好地解决上述技术问题，本发明采用的进一步技术方案是：在所述左壳体靠近左出风口的上端和右壳体靠近右出风口的上端分别设置有插槽，在所述插槽内滑动设置有调节挡板，所述两个调节挡板通过连接杆相连接，所述连接杆的中部与顶升气缸的活塞杆相连接，所述顶升气缸通过支撑架支撑在左壳体和右壳体之间的底座上。
为了更好地解决上述技术问题，本发明采用的进一步技术方案是：所述叶轮的结构包括：与双轴伸电动机的电机轴相连接的叶轮盘，在所述叶轮盘上均匀设置有若干 等腰三角形叶片，所述等腰三角形叶片的底部两侧通过加强筋相连接，所述等腰三角形叶片的顶部夹角为120度～150度。
本发明的优点是：上述轨道交通车辆空调风机，通过一台电动机控制两个叶轮工作，降低了投资成本，同时利用四个进风口和两个出风口增大了吸风量和出风量，减小了整体噪音，提高了轨道车辆空调机组的工作质量，另外，能够通过调节挡板控制风机出风口的出风面积，从而达到控制风机的出风量，调节方便，将叶轮的叶片设计成等腰三角形结构，等腰三角形的顶角为120度～150度的钝角，提高了叶轮的转动效率和结构强度，吸风效果好，不易损坏，使用寿命长。
附图说明
图1为本发明轨道交通车辆空调风机的结构示意图。
图2为图1的俯视结构示意图。
图3为图1的右视结构示意图。
图4为图1中叶轮的结构示意图。
图5为图4中等腰三角形叶片的立体结构示意图。
图中：1、底座，2、左壳体，21、左进风口，22、左出风口，3、右壳体，31、右进风口，32、右出风口，4、双轴伸电动机，5、接线盒，6、叶轮，61、叶轮盘，62、等腰三角形叶片，63、加强筋，7、插槽，8、调节挡板，9、连接杆，10、顶升气缸，11、活塞杆，12、支撑架。
具体实施方式
下面结合附图和具体实施例详细描述一下本发明的具体内容。
如图1、图2、图3、图4、图5所示，轨道交通车辆空调风机，包括：底座1，设置在底座1上的左壳体2和右壳体3，在所述左壳体2的两侧对称设置有左进风口21，在所述左壳体2的前端设置有左出风口21，在所述右壳体3的两侧对称设置有右进风口31，在所述右壳体3的前端设置有右出风口32，在所述左壳体2和右壳体3之间的底座1上设置有双轴伸电动机4，在所述双轴伸电动机4的上端设置有接线盒5，所述双轴伸电动机4的电机轴分别伸入左壳体2和右壳体3内与叶轮6相连接。
如图1、图2、图3所示，在本实例中，在所述左壳体2靠近左出风口21的上端和右壳体3靠近右出风口32的上端分别设置有插槽7，在所述插槽7内滑动设置有调节挡板8，所述两个调节挡板8通过连接杆9相连接，所述连接杆9的中部与顶升气缸10的活塞杆11相连接，所述顶升气缸10通过支撑架12支撑在左壳体2和右壳体3之间的底座1上。
如图1、、图3、图4、图5所示，在本实例中，所述叶轮6的结构包括：与双轴伸电动机4的电机轴相连接的叶轮盘61，在所述叶轮盘61上均匀设置有若干等腰三角形叶片62，所述等腰三角形叶片62的底部两侧通过加强筋63相连接，所述等腰三角形叶片62的顶部夹角为120度～150度。上述轨道交通车辆空调风机使用时，将双轴伸电动机4的接线盒5和顶升气缸10与轨道车辆空调机组的电气控制柜相连接，启动双轴伸电动机4，双轴伸电动机4的电机轴带动做壳体2和右壳体3内的叶轮6进行转动，空气分别同时从左壳体2两侧的左进风口21和右壳体3两侧的右进风口21进入，进入左壳体2内的空气通过转动的叶轮6带动从左出风口22排出，进入右壳体3内的空气通过转动的叶轮6带动从右出风口32排出。需要调节左出风口22和右出风口32的出风横截面积时，启动顶升气缸10，顶升气缸10的活塞杆11推动连接杆9向上运动，连接杆9带动两调节挡板8在插槽7内向上滑动，从而使左出风口22和右出风口32的出风横截面积变大，顶升气缸10的活塞杆11向下运动时，左出风口22和右出风口32的出风横截面积变小。
上述轨道交通车辆空调风机，通过一台电动机控制两个叶轮工作，降低了投资成本，同时利用四个进风口和两个出风口增大了吸风量和出风量，减小了整体噪音，提高了轨道车辆空调机组的工作质量，另外，能够通过调节挡板控制风机出风口的出风面积，从而达到控制风机的出风量，调节方便，将叶轮的叶片设计成等腰三角形结构，等腰三角形的顶角为120度～150度之间的钝角，提高了叶轮的转动效率和结构强度，吸风效果好，不易损坏，使用寿命长。

Claims (3)

  1. 轨道交通车辆空调风机，其特征在于：包括：底座(1)，设置在底座(1)上的左壳体(2)和右壳体(3)，在所述左壳体(2)的两侧对称设置有左进风口(21)，在所述左壳体(2)的前端设置有左出风口(22)，在所述右壳体(3)的两侧对称设置有右进风口(31)，在所述右壳体(3)的前端设置有右出风口(32)，在所述左壳体(2)和右壳体(3)之间的底座(1)上设置有双轴伸电动机(4)，在所述双轴伸电动机(4)的上端设置有接线盒(5)，所述双轴伸电动机(4)的电机轴分别伸入左壳体(2)和右壳体(3)内与叶轮(6)相连接。
  2. 按照权利要求1所述的轨道交通车辆空调风机，其特征在于：在所述左壳体(2)靠近左出风口(21)的上端和右壳体(3)靠近右出风口(32)的上端分别设置有插槽(7)，在所述插槽(7)内滑动设置有调节挡板(8)，所述两个调节挡板(8)通过连接杆(9)相连接，所述连接杆(9)的中部与顶升气缸(10)的活塞杆(11)相连接，所述顶升气缸(10)通过支撑架(12)支撑在左壳体(2)和右壳体(3)之间的底座(1)上。
  3. 按照权利要求1或2所述的轨道交通车辆空调风机，其特征在于：所述叶轮(6)的结构包括：与双轴伸电动机(4)的电机轴相连接的叶轮盘(61)，在所述叶轮盘(61)上均匀设置有若干等腰三角形叶片(62)，所述等腰三角形叶片(62)的底部两侧通过加强筋(63)相连接，所述等腰三角形叶片(62)的顶部夹角为120度～150度。
PCT/CN2018/087928 2018-05-22 2018-05-22 轨道交通车辆空调风机 WO2019222930A1 (zh)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11301474A (ja) * 1998-04-24 1999-11-02 Hitachi Ltd 車両用換気装置
CN205791897U (zh) * 2016-05-09 2016-12-07 中山大洋电机股份有限公司 双轴伸外转子电机及应用其的风机
CN206221309U (zh) * 2016-11-09 2017-06-06 江苏荣邦机械制造有限公司 轨道车辆空调机组离心风机

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11301474A (ja) * 1998-04-24 1999-11-02 Hitachi Ltd 車両用換気装置
CN205791897U (zh) * 2016-05-09 2016-12-07 中山大洋电机股份有限公司 双轴伸外转子电机及应用其的风机
CN206221309U (zh) * 2016-11-09 2017-06-06 江苏荣邦机械制造有限公司 轨道车辆空调机组离心风机

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