WO2016150127A1 - 一种燃气风机 - Google Patents

一种燃气风机 Download PDF

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Publication number
WO2016150127A1
WO2016150127A1 PCT/CN2015/090105 CN2015090105W WO2016150127A1 WO 2016150127 A1 WO2016150127 A1 WO 2016150127A1 CN 2015090105 W CN2015090105 W CN 2015090105W WO 2016150127 A1 WO2016150127 A1 WO 2016150127A1
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WO
WIPO (PCT)
Prior art keywords
end cover
rear end
casing
capacitor
gas turbine
Prior art date
Application number
PCT/CN2015/090105
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English (en)
French (fr)
Inventor
于跃强
Original Assignee
中山大洋电机制造有限公司
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Filing date
Publication date
Application filed by 中山大洋电机制造有限公司 filed Critical 中山大洋电机制造有限公司
Publication of WO2016150127A1 publication Critical patent/WO2016150127A1/zh
Priority to US15/705,236 priority Critical patent/US20180006534A1/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/0094—Structural association with other electrical or electronic devices
    • 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
    • F04D25/0693—Details or arrangements of the wiring
    • 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
    • F04D29/42—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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
    • H02K5/1732—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at both ends of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • 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

Definitions

  • the utility model relates to a gas blower.
  • the capacitance on the motor is mounted on the casing 102 of the motor through the capacitor case 101, but the structure has at least the following disadvantages:
  • the capacitor box 101 is mounted on the side of the casing 102 to increase the lateral dimension of the motor.
  • the customer has strict requirements on the installation size, it is difficult to meet the installation requirements of the customer;
  • the capacitor box 101 Since the thickness of the casing 102 is thin, the capacitor box 101 is generally mounted on the side of the casing 102 by welding, and it is difficult to adopt other simpler installation methods;
  • the capacitor is connected to the lead wire inside the motor, and the lead holes 103 and 104 are respectively opened on the capacitor case 101 and the casing 102.
  • the wiring of the capacitor is electrically connected to the lead inside the motor through the two lead holes 103 and 104.
  • the connection method is more complicated, the assembly efficiency is low, and the internal sealing of the motor is difficult to be effectively guaranteed.
  • the purpose of the utility model is to provide a gas fan, the installation of the capacitor is simpler and more convenient, the structure of the motor is more compact, and the sealing property can be effectively ensured.
  • a gas turbine includes a volute, a motor and a wind wheel, the motor is mounted on the volute, the motor comprises a rotating shaft, a rotor assembly, a stator assembly, a casing, a front end cover, a rear end cover and a capacitor, and the rotor assembly is mounted on the rotating shaft
  • the stator assembly and the casing are mounted together and nested outside the rotor assembly, and the front end cover and the rear end cover are respectively mounted on the two ends of the casing, and the two ends of the rotating shaft are respectively supported on the bearings of the front end cover and the rear end cover and the shaft is rotated
  • the front end portion projects into the volute and is coupled to the wind wheel.
  • a box body is mounted on the rear end cover, and the capacitor is installed in a cavity enclosed between the box body and the rear end cover.
  • the box body described above comprises a cavity portion and a flange portion extending outward from the end portion of the cavity portion, and the capacitor is located inside the cavity portion.
  • An annular gasket is disposed between the flange portion and the rear end cover as described above.
  • the flange portion, the gasket and the rear end cover described above are locked together by a plurality of screws.
  • the front end cover and the rear end cover described above are respectively attached to both ends of the casing by bolts and nuts.
  • the above-mentioned burring portion and the outer edge of the gasket are provided with corresponding notch portions, and the nut is located inside the notch portion.
  • the lead hole is provided on the rear end cover as described above.
  • a box body is mounted on the rear end cover, and the capacitor is installed in a cavity enclosed between the box body and the rear end cover.
  • the installation of the capacitor is simpler and more convenient, and the structure of the motor is more compact, and the customer is strict. Installation size requirements, while sealing can also be effectively guaranteed;
  • An annular gasket is arranged between the flange portion and the rear end cover to prevent dust, water or other impurities from entering the motor from the gap between the casing and the motor, thereby ensuring the sealing of the motor installation and avoiding the motor. Internal electronic components are damaged by pollution;
  • a corresponding notch portion is disposed on the outer edge of the flange portion and the gasket, and the nut is located inside the notch portion, the structure is simple and reasonable, the installation is more convenient, and the structure is more compact;
  • a lead hole is arranged on the rear end cover, and the wiring of the capacitor is electrically connected to the lead wire inside the motor through the lead hole casing on the rear end cover, the wiring is simple and convenient, and the sealing performance of the motor is effectively guaranteed.
  • Figure 1 is a perspective view of a motor in a conventional gas turbine
  • Figure 2 is a perspective view of the gas turbine in the first embodiment of the present invention
  • Figure 3 is an exploded view of the gas turbine in the first embodiment of the present invention.
  • Figure 4 is an exploded view of the motor of the first embodiment of the present invention.
  • Figure 5 is a side view of the motor of the first embodiment of the present invention.
  • Figure 6 is a cross-sectional view taken along line A-A of Figure 5;
  • Embodiment 1 As shown in FIG. 2, FIG. 3, FIG. 4, FIG. 5 and FIG. 6, the present embodiment is a gas turbine including a volute 1, a motor 2 and a wind wheel 3, and the motor 2 is mounted on the volute 1
  • the motor 1 includes a rotating shaft 11, a rotor assembly 12, a stator assembly 13, a casing 14, a front end cover 15, a rear end cover 16, and a capacitor 17, and the rotor assembly 12 is mounted on the rotating shaft 11, the stator assembly 13 and the casing 14 Mounted together and nested outside the rotor assembly 12, the front end cover 15 and the rear end cover 16 are respectively mounted at the ends of the casing 14, and the two ends of the rotating shaft 11 are supported on the bearings of the front end cover 15 and the rear end cover 16, respectively, and the rotating shaft 11
  • the front end portion of the volute 1 is mounted and coupled to the wind wheel 3, and the casing 4 is mounted on the rear end cover 16.
  • the capacitor 17 is mounted between the casing 4 and the rear end cover 16. Inside the cavity.
  • the casing 4 includes a cavity portion 41 and a flange portion 42 extending outward from the end portion of the cavity portion 41.
  • the capacitor 17 is located inside the cavity portion 41.
  • An annular gasket 5 is disposed between the flange portion 42 and the rear end cover 16.
  • the flange portion 42, the gasket 5 and the rear end cover 16 are locked and mounted together by a plurality of screws 6.
  • the front end cover 15 and the rear end cover 16 are attached to both ends of the casing 14 by bolts 71 and nuts 72, respectively.
  • a corresponding notch portion 51 is provided on the outer edge of the flange portion 42 and the gasket 5, and the nut 72 is located inside the notch portion 51.
  • a lead hole 160 is provided on the rear end cover 16.

Landscapes

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

Abstract

一种燃气风机，包括蜗壳(1)、电机(2)和风轮(3)，电机(2)安装在蜗壳(1)上，电机(2)包括转轴(11)、转子组件(12)、定子组件(13)、机壳(14)、前端盖(15)、后端盖(16)和电容(17)，转子组件(12)安装在转轴(11)上，定子组件(13)和机壳(14)安装在一起并嵌套在转子组件(12)外面，转轴(11)两端分别支承在前端盖(15)和后端盖(16)的轴承上并且转轴(11)的前端部伸入到蜗壳(1)里面与风轮(3)安装连接在一起，在后端盖(16)上安装有盒体(4)，电容(17)安装在盒体(4)与后端盖(16)之间围成的空腔里面。所述燃气风机的结构使电容的安装更加简单方便，电机的结构更为紧凑。

Description

一种燃气风机 技术领域：
本实用新型涉及一种燃气风机。
背景技术：
如图1所示，在现有的燃气风机中，电机上的电容都是通过电容盒101安装在电机的机壳102上，但是这种结构至少存在如下几个不足之处：
1)电容盒101安装在机壳102的侧面上造成电机的横向尺寸增大，当客户对安装尺寸有严格的要求时，难以满足客户的安装要求；
2)由于机壳102的厚度较薄，电容盒101一般采用焊接的方式安装在机壳102的侧面上，难以采用其他更为简单的安装方式；
3)电容与电机内部的引线连接，需要分别在电容盒101和机壳102上开设引线孔103、104，电容的接线穿过两个引线孔103、104后与电机内部的引线电连接在一起，连接方式更为复杂，装配效率较低，同时电机内部的密封性难以得到有效的保证。
发明内容：
本实用新型的目的是提供一种燃气风机，电容的安装更加简单方便，电机的结构更为紧凑，同时密封性也能得到有效的保证。
本实用新型的目的是通过下述技术方案予以实现的。
一种燃气风机，包括蜗壳、电机和风轮，电机安装在蜗壳上，所述的电机包括转轴、转子组件、定子组件、机壳、前端盖、后端盖和电容，转子组件安装在转轴上，定子组件和机壳安装在一起并嵌套在转子组件外面，前端盖和后端盖分别安装在机壳两端，转轴两端分别支承在前端盖和后端盖的轴承上并且转轴的前端部伸入到蜗壳里面与风轮安装连接在一起，在后端盖上安装有盒体，所述的电容安装在盒体与后端盖之间围成的空腔里面。
上述所述的盒体包括容腔部和从容腔部端部往外侧延伸出的翻边部，电容位于所述的容腔部里面。
上述所述的在翻边部与后端盖之间设置有环形的密封垫。
上述所述的翻边部、密封垫和后端盖之间通过若干螺钉锁紧安装在一起。
上述所述的前端盖和后端盖通过螺栓与螺母分别安装在机壳的两端。
上述所述的在翻边部与密封垫的外侧边缘上设置有相对应的缺口部，螺母位于所述的缺口部里面。
上述所述的在后端盖上设置有引线孔。
本实用新型与现有技术相比，具有如下效果：
1)在后端盖上安装有盒体，所述的电容安装在盒体与后端盖之间围成的空腔里面，电容的安装更加简单方便，电机的结构更为紧凑，满足客户严格的安装尺寸要求，同时密封性也能得到有效的保证；
2)在翻边部与后端盖之间设置有环形的密封垫，避免灰尘、水或者其他杂质从盒体与电机之间的空隙进入到电机内部，有效保证电机安装的密封性，避免电机内部的电子零部件受到污染损坏；
3)翻边部、密封垫和后端盖之间通过若干螺钉锁紧安装在一起，安装方式简单、牢靠，装配效率高；
4)在翻边部与密封垫的外侧边缘上设置有相对应的缺口部，螺母位于所述的缺口部里面，结构简单、合理，使安装更加方便，结构更加紧凑；
5)在后端盖上设置有引线孔，电容的接线穿过后端盖上的引线孔机壳与电机内部的引线电连接在一起，接线简单、方便，同时电机的密封性得到有效的保证。
附图说明：
图1是现有燃气风机中电机的立体图；
图2是本实用新型实施例一中燃气风机的立体图；
图3是本实用新型实施例一中燃气风机的分解图；
图4是本实用新型实施例一中电机的分解图；
图5是本实用新型实施例一中电机的侧视图；
图6是图5中A-A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2、图3、图4、图5和图6所示，本实施例是一种燃气风机，包括蜗壳1、电机2和风轮3，电机2安装在蜗壳1上，所述的电机1包括转轴11、转子组件12、定子组件13、机壳14、前端盖15、后端盖16和电容17，转子组件12安装在转轴11上，定子组件13和机壳14安装在一起并嵌套在转子组件12外面，前端盖15和后端盖16分别安装在机壳14两端，转轴11两端分别支承在前端盖15和后端盖16的轴承上并且转轴11的前端部伸入到蜗壳1里面与风轮3安装连接在一起，在后端盖16上安装有盒体4，所述的电容17安装在盒体4与后端盖16之间围成的空腔里面。所述的盒体4包括容腔部41和从容腔部41端部往外侧延伸出的翻边部42，电容17位于所述的容腔部41里面。在翻边部42与后端盖16之间设置有环形的密封垫5。翻边部42、密封垫5和后端盖16之间通过若干螺钉6锁紧安装在一起。前端盖15和后端盖16通过螺栓71与螺母72分别安装在机壳14的两端。在翻边部42与密封垫5的外侧边缘上设置有相对应的缺口部51，螺母72位于所述的缺口部51里面。在后端盖16上设置有引线孔160。
以上实施例为本发明的较佳实施方式，但本发明的实施方式不限于此，其他任何未背离本发明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，都包含在本发明的保护范围之内。

Claims (7)

  1. 一种燃气风机，包括蜗壳(1)、电机(2)和风轮(3)，电机(2)安装在蜗壳(1)上，所述的电机(1)包括转轴(11)、转子组件(12)、定子组件(13)、机壳(14)、前端盖(15)、后端盖(16)和电容(17)，转子组件(12)安装在转轴(11)上，定子组件(13)和机壳(14)安装在一起并嵌套在转子组件(12)外面，前端盖(15)和后端盖(16)分别安装在机壳(14)两端，转轴(11)两端分别支承在前端盖(15)和后端盖(16)的轴承上并且转轴(11)的前端部伸入到蜗壳(1)里面与风轮(3)安装连接在一起，其特征在于：在后端盖(16)上安装有盒体(4)，所述的电容(17)安装在盒体(4)与后端盖(16)之间围成的空腔里面。
  2. 根据权利要求1所述的一种燃气风机，其特征在于：所述的盒体(4)包括容腔部(41)和从容腔部(41)端部往外侧延伸出的翻边部(42)，电容(17)位于所述的容腔部(41)里面。
  3. 根据权利要求2所述的一种燃气风机，其特征在于：在翻边部(42)与后端盖(16)之间设置有环形的密封垫(5)。
  4. 根据权利要求3所述的一种燃气风机，其特征在于：翻边部(42)、密封垫(5)和后端盖(16)之间通过若干螺钉(6)锁紧安装在一起。
  5. 根据权利要求2或3或4所述的一种燃气风机，其特征在于：前端盖(15)和后端盖(16)通过螺栓(71)与螺母(72)分别安装在机壳(14)的两端。
  6. 根据权利要求5所述的一种燃气风机，其特征在于：在翻边部(42)与密封垫(5)的外侧边缘上设置有相对应的缺口部(51)，螺母(72)位于所述的缺口部(51)里面。
  7. 根据权利要求1或2或3或4所述的一种燃气风机，其特征在于：在后端盖(16)上设置有引线孔(160)。
PCT/CN2015/090105 2015-03-25 2015-09-21 一种燃气风机 WO2016150127A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US15/705,236 US20180006534A1 (en) 2015-03-25 2017-09-14 Blower

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CN201520176955.2 2015-03-25
CN201520176955.2U CN204610310U (zh) 2015-03-25 2015-03-25 一种燃气风机

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US15/705,236 Continuation-In-Part US20180006534A1 (en) 2015-03-25 2017-09-14 Blower

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Publication number Priority date Publication date Assignee Title
CN204610310U (zh) * 2015-03-25 2015-09-02 中山大洋电机制造有限公司 一种燃气风机
CN105161292B (zh) * 2015-10-19 2018-01-30 吴江市莘塔前进五金厂 一种电容器密封垫圈
CN113685365B (zh) * 2021-10-25 2022-01-18 宁波佳音机电科技股份有限公司 一种抽气泵

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