WO2022095608A1 - Module de stator, moteur électrique et pompe de pipeline - Google Patents

Module de stator, moteur électrique et pompe de pipeline Download PDF

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Publication number
WO2022095608A1
WO2022095608A1 PCT/CN2021/118642 CN2021118642W WO2022095608A1 WO 2022095608 A1 WO2022095608 A1 WO 2022095608A1 CN 2021118642 W CN2021118642 W CN 2021118642W WO 2022095608 A1 WO2022095608 A1 WO 2022095608A1
Authority
WO
WIPO (PCT)
Prior art keywords
isolation sleeve
stator module
casing
wall
holes
Prior art date
Application number
PCT/CN2021/118642
Other languages
English (en)
Chinese (zh)
Inventor
李树权
Original Assignee
华工(江门)机电有限公司
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 华工(江门)机电有限公司 filed Critical 华工(江门)机电有限公司
Publication of WO2022095608A1 publication Critical patent/WO2022095608A1/fr

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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
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • 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
    • 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
    • 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
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium

Definitions

  • the utility model relates to the field of motors, in particular to a stator module, a motor and a pipeline pump.
  • the stator is the stationary part of a motor or generator.
  • the stator is composed of a winding iron core and a frame around which the stator winding is wound.
  • the main function of the stator winding is to generate a rotating magnetic field, so that the rotor rotates in the rotating magnetic field.
  • the winding iron core in the prior art is generally pre-fixed in the groove of the machine base, and the surface insulation of the winding iron core is realized by pouring glue.
  • the Chinese utility model patent application number 2020202175919 discloses a permanent magnet motor aluminum casing stator glue filling device, which can be pressed into the inner cavity through the winding stator, and then poured into the opening part of the inner cavity (ie the glue filling cavity) After the liquid epoxy resin is post-cured, the stator is filled with glue.
  • the purpose of the utility model is to overcome the shortcomings of the above-mentioned traditional technologies, and to provide a stator module with a simple assembly process to prevent the surface of the winding iron core from overheating.
  • a stator module including a winding iron core; also includes a shell with two through holes and an isolation sleeve with the same outer diameter as the through hole diameter; two The through hole is coaxial; the side surface of the isolation sleeve is fixed to the inner wall of the through hole, and the peripheral outer wall of the isolation sleeve and the inner wall of the shell form a closed chamber; the winding iron core is fixed in the closed chamber, and the winding iron core is located in the isolation sleeve Circumferential direction of the barrel.
  • the winding iron core is coaxial with the isolation sleeve.
  • the isolation sleeve is made of stainless steel.
  • the casing is cylindrical, and the through hole is coaxial with the casing.
  • At least one is detachably connected to the side wall of the casing.
  • the utility model further provides a motor, which includes a stator module, a rotor rotatably installed in the isolation sleeve, and a rotating shaft coaxially fixed to the rotor, and the rotor is coaxial with the winding iron core.
  • the output end of the rotating shaft extends outward through the front cover plate, at least one of the front cover plate and the rear cover plate is installed with a bearing, and the rotating shaft is in the same direction.
  • the shaft is fixed to the inner ring of the bearing.
  • the bearing is a water-lubricated bearing or a ceramic bearing.
  • water passage holes are provided at the corresponding through holes of the front cover plate and the rear cover plate.
  • the utility model also provides a pipeline pump, which includes a motor, a pump casing and an impeller that is coaxially fixed on the outer extension of the rotating shaft.
  • the impeller and the motor are both located in the pump casing, and the pump casing is respectively provided with a water inlet hole and a water outlet. hole.
  • the stator module of the utility model assembles the winding iron core in the closed chamber formed by the casing and the isolation sleeve, and isolates it from the outside world, no need to encapsulate with glue, and avoid local overheating of the winding iron core.
  • the assembly process is simple and does not require time-consuming curing; the inner wall of the isolation sleeve is used as the installation space for the rotor, the stator module can be sold as a single component product, and the rotor can be assembled into a simple motor by installing the corresponding matching bearing on the inner wall of the isolation sleeve, suitable for Wide range; in turn motors and in-line pumps further extended by stator modules.
  • FIG. 1 is a cross-sectional view of a stator module in an embodiment.
  • FIG. 2 is a cross-sectional view of a motor in an embodiment mode.
  • FIG 3 is a cross-sectional view of an in-line pump in a specific embodiment.
  • the terms “installed”, “connected” and “connected” should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection.
  • Detachable connection, or integral connection may be mechanical connection or electrical connection; may be direct connection, or indirect connection through an intermediate medium, or internal communication between two components.
  • the specific meanings of the above terms in the present invention can be understood in specific situations.
  • a stator module includes a winding core 10; also includes a casing 20 with two through holes and an isolation sleeve 30 with the same outer diameter as the through hole diameter; the two through holes are coaxial;
  • the side surface of the isolation sleeve 30 is fixed on the inner wall of the through hole, and the peripheral outer wall of the isolation sleeve 30 and the inner wall of the casing 20 are enclosed into a closed chamber; the winding iron core 10 is fixed in the closed chamber, and the winding iron core 10 is located in the isolation sleeve
  • the barrel is 30 circumferential.
  • the winding core 10 is coaxial with the spacer sleeve 30 .
  • the isolation sleeve 30 is made of stainless steel.
  • the casing 20 is cylindrical, and the through hole is coaxial with the casing 20 .
  • the winding method and power supply method of the stator winding on the winding iron core 10 are in the prior art.
  • the power supply method can be wired power supply and wireless power supply.
  • the wired power supply can be a built-in power supply. If the body 20 is formed, the wire part should also be insulated and sealed; complex control can be provided with a circuit board, which is common knowledge to those skilled in the art, and will not be repeated here.
  • the isolation sleeve 30 is made of non-magnetic isolation material.
  • the stator module assembles the winding iron core 10 in the closed chamber formed by the casing 20 and the isolation sleeve 30 and isolates it from the outside world, without the need for glue encapsulation, avoiding local overheating of the winding iron core 10, the assembly process is simple, and it does not require time-consuming curing; the isolation sleeve
  • the inner wall of the cylinder 30 serves as the installation space of the rotor 40, and the stator module can be sold as a single component product, which is convenient for assembly and maintenance.
  • the winding iron core 10 is coaxial with the isolation sleeve 30 to ensure that the rotating magnetic field generated by the winding iron core 10 is evenly distributed on the central axis of the isolation sleeve 30, and does not need to be installed in a specific position, only the rotor 40 and the isolation sleeve 30 need to be ensured
  • the shaft can reduce the power loss of the rotor 40 .
  • the isolation sleeve 30 made of stainless steel is non-magnetic and corrosion-resistant, and can effectively isolate the medium to prevent corrosion.
  • the cylindrical casing 20 has a through hole opened in the center of the upper and lower bottom surfaces of the casing 20 , and the entirety is annular, with a regular shape, which is convenient for processing.
  • the upper bottom surface and the lower bottom surface of the casing 20 are detachably connected to the side wall of the casing 20 .
  • the upper bottom surface and the lower bottom surface of the casing 20 are both sealed and snapped to the side wall of the casing 20 .
  • the present invention also provides a motor, including a stator module, a rotor 40 rotatably installed in the isolation sleeve 30 and a rotating shaft 50 coaxially fixed to the rotor 40 , the rotor 40 and the winding iron core 10 coaxial.
  • the rotor 40 is installed on the inner wall of the isolation sleeve through the corresponding matching bearing 70, the winding iron core 10 is energized to generate a rotating magnetic field, the rotor 40 rotates in the rotating magnetic field, and the rotor 40 drives the rotating shaft 50 to rotate.
  • the rotor 40 In order to facilitate the disassembly of the rotor 40, it also includes a front cover 601 and a rear cover 602 which are respectively covered at the through holes.
  • the output end of the rotating shaft 50 extends outward through the front cover 601.
  • the front cover 601 and the rear cover 602 Bearings 70 are installed in both of them, the two bearings 70 are coaxial, and the rotating shaft 50 is coaxially fixed to the inner ring of the bearings 70 .
  • the bearing 70 and the rotor 40 can only be disengaged by applying force along the bearing 70 and the bearing 70, and the disassembly is difficult;
  • the rotor 40 can be disengaged by opening the front cover 601 and the rear cover 602, and the disassembly is simple; the two bearings 70 prevent the rotor 40 from shaking radially.
  • the bearing 70 is a water-lubricated bearing or a ceramic bearing, and the water-lubricated bearing or the ceramic bearing can be used normally in water.
  • front cover plate 601 and the rear cover plate 602 are provided with water passage holes corresponding to the through holes. The water flows through the rotor 40 to cool the rotor 40 .
  • the present invention also provides a pipeline pump, including a motor, a pump casing 80 and an impeller 90 coaxially fixed to the outwardly extending portion of the rotating shaft 50 , the impeller 90 and the motor are both located in the pump casing 80 ,
  • the pump casing 80 is respectively provided with a water inlet hole and a water outlet hole.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Motor Or Generator Frames (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

Le présent modèle d'utilité concerne un module de stator, comprenant un noyau d'enroulement ; comprenant également un logement pourvu de deux trous traversants et un manchon d'isolation ayant un diamètre externe identique au diamètre des trous traversants ; les deux trous traversants sont coaxiaux ; le côté du manchon d'isolation est fixé à la paroi interne du trou traversant et la paroi externe circonférentielle du manchon d'isolation et la paroi interne du logement sont renfermées sous la forme d'une chambre étanche ; le noyau d'enroulement est fixé dans la chambre étanche et le noyau d'enroulement est situé dans la direction circonférentielle du manchon d'isolation. Dans le module de stator du présent modèle d'utilité, le noyau d'enroulement est assemblé avec la chambre étanche formée par le logement et le manchon d'isolation est isolé de l'environnement extérieur ; aucun remplissage et conditionnement d'adhésif n'est nécessaire, empêchant une surchauffe locale du noyau d'enroulement et le processus d'assemblage est simple et le durcissement chronophage n'est pas nécessaire ; la paroi interne du manchon d'isolation sert d'espace de montage pour un rotor, le module de stator peut être vendu sous la forme d'un composant unique et le rotor peut être monté sur la paroi interne du manchon d'isolation au moyen d'un palier d'adaptation correspondant de manière à être assemblé dans un moteur électrique simple, ayant une vaste gamme d'applications ; ainsi, le moteur électrique et la pompe de pipeline sont en outre étendus par le module de stator.
PCT/CN2021/118642 2020-11-04 2021-09-16 Module de stator, moteur électrique et pompe de pipeline WO2022095608A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202022517797.6U CN213661288U (zh) 2020-11-04 2020-11-04 一种定子模块、电机和管道泵
CN202022517797.6 2020-11-04

Publications (1)

Publication Number Publication Date
WO2022095608A1 true WO2022095608A1 (fr) 2022-05-12

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PCT/CN2021/118642 WO2022095608A1 (fr) 2020-11-04 2021-09-16 Module de stator, moteur électrique et pompe de pipeline

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CN (1) CN213661288U (fr)
WO (1) WO2022095608A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN213661288U (zh) * 2020-11-04 2021-07-09 华工(江门)机电有限公司 一种定子模块、电机和管道泵
CN116207906A (zh) * 2023-04-19 2023-06-02 坎德拉新能源科技(扬州)有限公司 飞轮储能装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202157971U (zh) * 2011-07-19 2012-03-07 浙江新界泵业股份有限公司 泵
CN207994746U (zh) * 2018-01-05 2018-10-19 广东威灵电机制造有限公司 定子组件和电子水泵
CN208539724U (zh) * 2018-07-04 2019-02-22 广东威灵电机制造有限公司 电子水泵
CN210371212U (zh) * 2018-12-21 2020-04-21 汉宇集团股份有限公司 一种汽车电子水泵
CN213661288U (zh) * 2020-11-04 2021-07-09 华工(江门)机电有限公司 一种定子模块、电机和管道泵

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202157971U (zh) * 2011-07-19 2012-03-07 浙江新界泵业股份有限公司 泵
CN207994746U (zh) * 2018-01-05 2018-10-19 广东威灵电机制造有限公司 定子组件和电子水泵
CN208539724U (zh) * 2018-07-04 2019-02-22 广东威灵电机制造有限公司 电子水泵
CN210371212U (zh) * 2018-12-21 2020-04-21 汉宇集团股份有限公司 一种汽车电子水泵
CN213661288U (zh) * 2020-11-04 2021-07-09 华工(江门)机电有限公司 一种定子模块、电机和管道泵

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CN213661288U (zh) 2021-07-09

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