CN110043486A - A kind of dynamoelectric compressor - Google Patents

A kind of dynamoelectric compressor Download PDF

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Publication number
CN110043486A
CN110043486A CN201910261269.8A CN201910261269A CN110043486A CN 110043486 A CN110043486 A CN 110043486A CN 201910261269 A CN201910261269 A CN 201910261269A CN 110043486 A CN110043486 A CN 110043486A
Authority
CN
China
Prior art keywords
impeller
motor
compressor
axis
hole
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201910261269.8A
Other languages
Chinese (zh)
Inventor
王振彪
邓春龙
宋志伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China North Engine Research Institute Tianjin
Original Assignee
China North Engine Research Institute Tianjin
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 China North Engine Research Institute Tianjin filed Critical China North Engine Research Institute Tianjin
Priority to CN201910261269.8A priority Critical patent/CN110043486A/en
Publication of CN110043486A publication Critical patent/CN110043486A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08Centrifugal pumps
    • F04D17/10Centrifugal pumps for compressing or evacuating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/06Units comprising pumps and their driving means the pump being electrically driven
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/28Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/284Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/58Cooling; Heating; Diminishing heat transfer
    • F04D29/5806Cooling the drive system
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/58Cooling; Heating; Diminishing heat transfer
    • F04D29/582Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps

Abstract

The present invention provides a kind of dynamoelectric compressors, including compressor casing, back disk, axis, motor stator, rotor and impeller, the impeller is the structure for being equipped with cylindrical blind hole towards airintake direction on impeller hub, the blind hole forms the motor cavity for placing motor, the bosom of motor cavity is provided with several cooling holes on the impeller, and the runner of the impeller is connected to by cooling hole with the motor cavity.Compared with the existing technology, present invention has the advantage that dynamoelectric compressor of the invention uses the impeller containing cooling hole, the runner of impeller is connected to by cooling hole with the motor cavity for installing electric machine structure, a part of compressed air is imported in motor through the cooling hole, motor radiating is forced, solves the problems, such as the motor radiating of electric machine built-in electric booster.

Description

A kind of dynamoelectric compressor
Technical field
The invention belongs to field of electromechanical technology, more particularly, to a kind of dynamoelectric compressor.
Background technique
In the prior art, electric machine built-in is small in size in the electric booster of the structure type of compressor impeller, compact-sized, But there is motor radiating difficulty in this dynamoelectric compressor.
Summary of the invention
In view of this, the present invention is directed to propose a kind of dynamoelectric compressor is pressed a part using the impeller containing cooling hole Contracting air imports in motor through the cooling hole, forces motor radiating using compressed air, solves the electronic pressurization of electric machine built-in The motor radiating problem of device.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of dynamoelectric compressor, including compressor casing, back disk, axis, motor stator, rotor and impeller, the impeller Centre bore pass through the axis, the both ends of the axis are separately mounted to supporting rib and the back disk by left bearing and right bearing On;The outer end of the supporting rib is fixedly connected with one end of the compressor casing;The back disk and the compressor casing The other end be fixedly connected;
The impeller is the structure for being equipped with cylindrical blind hole towards airintake direction on impeller hub, the blind hole The motor cavity for placing motor is formd, fixes the rotor in the motor cavity, it is fixed that the motor is fixed on the axis Son, the rotor are placed exactly in the outside of the motor stator, and have certain gap;
The bosom of motor cavity is provided with several cooling holes on the impeller, and the cooling hole is passed through perpendicular to impeller axis direction Impeller hub is worn;The runner of the impeller is connected to by cooling hole with the motor cavity;
The compressor casing connects multiple supporting ribs, the channel between the adjacent supporting rib be dynamoelectric compressor into Gas channel is connected to by the gap between the motor stator and the rotor with the cooling hole;
The compressor casing is equipped with air collecting chamber close to the side of back disk, and the outlet of the air collecting chamber and blower outlet connect It is logical.
Further, multiple cooling holes are circumferentially evenly distributed in four quadrants of locating plane, and are located at leaf In runner between piece;Quantity of the quantity of the cooling hole less equal than the blade of impeller.
Further, the axis is the axis with two steps, and the step on the left side compresses institute by left axle end nut Left bearing is stated, the impeller, spacer sleeve, the right bearing are pressed together by the step on the right by right axle end nut.
Further, there is stepped hole at the back disk center, place the right bearing in stepped hole.
Further, the intermediate connections of the supporting rib have stepped hole, place the motor stator in stepped hole.
Compared with the existing technology, present invention has the advantage that
Dynamoelectric compressor of the invention uses the impeller containing cooling hole, and the runner of impeller passes through cooling hole and installation motor The motor cavity of structure is connected to, and a part of compressed air is imported in motor through the cooling hole, motor radiating is forced, solves electricity The motor radiating problem of electric booster built in machine.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the diagrammatic cross-section of dynamoelectric compressor described in the embodiment of the present invention;
Fig. 2 is the right view of dynamoelectric compressor described in the embodiment of the present invention.
Description of symbols:
1- left axle end nut, 2- left bearing, 3- axis, 4- supporting rib, 5- motor stator, 6- rotor, 7- supporting rib spiral shell Bolt, 8- impeller hub, 9- compressor casing, 10- cooling hole, 11- impeller, 12- air collecting chamber, 13- sealing ring, 14- back valve snail nail, 15- motor cavity, 16- carry on the back disk, 17- spacer sleeve, 18- right bearing, 19- right axle end nut, 20- blower outlet.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple " It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, 2, a kind of dynamoelectric compressor structure, including compressor casing 9, back disk 16, axis 3, motor stator 5, electricity Machine rotor 6 and impeller 11,
The centre bore of the impeller 11 passes through the axis 3, and the both ends of the axis 3 are distinguished by left bearing 2 and right bearing 18 It is mounted on supporting rib 4 and the back disk 16;The outer end of the supporting rib 4 is fixedly connected with one end of the compressor casing 9; The back disk 16 is fixedly connected with the other end of the compressor casing 9;
The impeller 11 is the structure for being equipped with cylindrical blind hole towards airintake direction on impeller hub 8, described Blind hole forms the motor cavity 15 for placing motor, and the rotor 6 is fixed in the motor cavity 15, is fixed on the axis 3 The motor stator 5, the rotor 6 are placed exactly in the outside of the motor stator 5, and have certain gap;
The bosom of motor cavity 15 is provided with several cooling holes 10 on the impeller 11, and the cooling hole 10 is perpendicular to impeller 11 Axis direction has run through impeller hub 8;The runner of the impeller 11 is connected to by cooling hole 10 with the motor cavity 15;
The compressor casing 9 connects multiple supporting ribs 4, and the channel between the adjacent supporting rib 4 is dynamoelectric compressor Inlet channel, be connected to by the gap between the motor stator 5 and the rotor 6 with the cooling hole 10;
The compressor casing 9 is equipped with air collecting chamber 12 close to the side of back disk 16, and the area of section of the air collecting chamber 12 is gradually Expand and is connected to blower outlet 20.
Multiple cooling holes 10 are circumferentially evenly distributed in four quadrants of locating plane, and between blade In runner;Quantity of the quantity of the cooling hole 10 less equal than the blade of impeller 11.
The axis 3 is the axis with two steps, and the step on the left side compresses the left bearing by left axle end nut 1 2, the impeller 11, spacer sleeve 17, the right bearing 18 are pressed together by the step on the right by right axle end nut 19.
There is stepped hole at 16 center of back disk, places the right bearing 18 in stepped hole.
The intermediate connections of the supporting rib 4 have stepped hole, place the motor stator 5 in stepped hole.
In the dynamoelectric compressor course of work of the present invention:
The runner of the impeller 11 is connected to by cooling hole 10 with the motor cavity 15, and a part of compressed air is through described cold But hole imports in motor, forces motor radiating, solves the problems, such as the motor radiating of electric machine built-in electric booster.
Channel between the adjacent supporting rib 4 is the exhaust passage of dynamoelectric compressor, passes through the motor stator 5 and institute The gap stated between rotor 6 is connected to the cooling hole 10;The area of section of the air collecting chamber 12 be gradually expanded and with pressure 20 connection of mechanism of qi outlet.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (5)

1. a kind of dynamoelectric compressor, it is characterised in that: including compressor casing (9), back disk (16), axis (3), motor stator (5), electricity Machine rotor (6) and impeller (11),
The centre bore of the impeller (11) passes through the axis (3), and the both ends of the axis (3) pass through left bearing (2) and right bearing (18) it is separately mounted on supporting rib (4) and the back disk (16);The outer end of the supporting rib (4) and the compressor casing (9) one end is fixedly connected;The back disk (16) is fixedly connected with the other end of the compressor casing (9);
The impeller (11) is the structure for being equipped with cylindrical blind hole towards airintake direction on impeller hub (8), described Blind hole forms the motor cavity (15) for placing motor, fixes the rotor (6), the axis in the motor cavity (15) (3) it is fixed on the motor stator (5), the rotor (6) is placed exactly in the outside of the motor stator (5), and has one Fixed gap;
The depths of motor cavity (15) is provided with several cooling holes (10) on the impeller (11), and the cooling hole (10) has run through impeller Wheel hub (8);The runner of the impeller (11) is connected to by cooling hole (10) with the motor cavity (15);
The supporting rib (4) is equipped with the inlet channel of dynamoelectric compressor, passes through the motor stator (5) and the rotor (6) gap between is connected to the cooling hole (10);
The compressor casing (9) is equipped with air collecting chamber (12) close to the side of back disk (16), and the air collecting chamber (12) goes out with compressor Mouth (20) connection.
2. a kind of dynamoelectric compressor according to claim 1, it is characterised in that: multiple cooling holes (10) are circumferentially put down It is distributed in four quadrants of locating plane, and in the runner between blade;The quantity of the cooling hole (10) is less than Or it is equal to the quantity of the blade of impeller (11).
3. a kind of dynamoelectric compressor according to claim 1, it is characterised in that: the axis (3), which is one, has two platforms The step of the axis of rank, the left side compresses the left bearing (2) by left axle end nut (1), and the step on the right passes through right axle end nut (19) impeller (11), spacer sleeve (17), the right bearing (18) are pressed together.
4. a kind of dynamoelectric compressor according to claim 1, it is characterised in that: have step at described back disk (16) center Hole, stepped hole is interior to place the right bearing (18).
5. a kind of dynamoelectric compressor according to claim 1, it is characterised in that: compressor casing (9) connection is multiple Supporting rib (4), the intermediate connections of multiple supporting ribs (4) have stepped hole, place the motor stator in stepped hole (5)。
CN201910261269.8A 2019-04-02 2019-04-02 A kind of dynamoelectric compressor Pending CN110043486A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910261269.8A CN110043486A (en) 2019-04-02 2019-04-02 A kind of dynamoelectric compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910261269.8A CN110043486A (en) 2019-04-02 2019-04-02 A kind of dynamoelectric compressor

Publications (1)

Publication Number Publication Date
CN110043486A true CN110043486A (en) 2019-07-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910261269.8A Pending CN110043486A (en) 2019-04-02 2019-04-02 A kind of dynamoelectric compressor

Country Status (1)

Country Link
CN (1) CN110043486A (en)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87203307U (en) * 1987-05-20 1987-12-26 铁道部大连内燃机车研究所 Anti-surge device for turbosuper chargers
CN2348156Y (en) * 1998-01-26 1999-11-10 冶金工业部钢铁研究总院靖江不锈钢泵阀厂 Vertical pump
CN201963596U (en) * 2011-02-18 2011-09-07 长沙赛尔机泵有限公司 Centrifugal compressor and impeller thereof
US20140134020A1 (en) * 2012-11-09 2014-05-15 Samsung Electro-Mechanics Co., Ltd. Electric blower
CN103944313A (en) * 2014-05-09 2014-07-23 北京良明同创水处理设备开发中心 Direct-coupled magnetic suspension fan
CN204213044U (en) * 2013-10-15 2015-03-18 索拉透平公司 There is the internal drive compressor of powered compressor machine rotor
CN104564575A (en) * 2013-10-23 2015-04-29 王晓军 Turbo propeller
CN204628098U (en) * 2015-05-04 2015-09-09 亿昇(天津)科技有限公司 A kind of axial force balance also can carry out the centrifugal blower structure of motor cooling
CN205533344U (en) * 2016-04-01 2016-08-31 安徽科达埃尔压缩机有限公司 A two -sided impeller for centrifugal blower
CN205533310U (en) * 2015-11-02 2016-08-31 北京良明宇航节能动力装备技术开发中心 Vertical fan that directly allies oneself with
CN205779789U (en) * 2016-06-13 2016-12-07 中国科学院工程热物理研究所 A kind of air compressor structure with embedded coaxial motor
CN109113803A (en) * 2018-11-09 2019-01-01 上海尚实能源科技有限公司 Rotor startup structure for turbogenerator

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87203307U (en) * 1987-05-20 1987-12-26 铁道部大连内燃机车研究所 Anti-surge device for turbosuper chargers
CN2348156Y (en) * 1998-01-26 1999-11-10 冶金工业部钢铁研究总院靖江不锈钢泵阀厂 Vertical pump
CN201963596U (en) * 2011-02-18 2011-09-07 长沙赛尔机泵有限公司 Centrifugal compressor and impeller thereof
US20140134020A1 (en) * 2012-11-09 2014-05-15 Samsung Electro-Mechanics Co., Ltd. Electric blower
CN204213044U (en) * 2013-10-15 2015-03-18 索拉透平公司 There is the internal drive compressor of powered compressor machine rotor
CN104564575A (en) * 2013-10-23 2015-04-29 王晓军 Turbo propeller
CN103944313A (en) * 2014-05-09 2014-07-23 北京良明同创水处理设备开发中心 Direct-coupled magnetic suspension fan
CN204628098U (en) * 2015-05-04 2015-09-09 亿昇(天津)科技有限公司 A kind of axial force balance also can carry out the centrifugal blower structure of motor cooling
CN205533310U (en) * 2015-11-02 2016-08-31 北京良明宇航节能动力装备技术开发中心 Vertical fan that directly allies oneself with
CN205533344U (en) * 2016-04-01 2016-08-31 安徽科达埃尔压缩机有限公司 A two -sided impeller for centrifugal blower
CN205779789U (en) * 2016-06-13 2016-12-07 中国科学院工程热物理研究所 A kind of air compressor structure with embedded coaxial motor
CN109113803A (en) * 2018-11-09 2019-01-01 上海尚实能源科技有限公司 Rotor startup structure for turbogenerator

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Application publication date: 20190723