WO2021129033A1 - Moteur électrique à réluctance synchrone résistant aux hautes températures - Google Patents

Moteur électrique à réluctance synchrone résistant aux hautes températures Download PDF

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Publication number
WO2021129033A1
WO2021129033A1 PCT/CN2020/119480 CN2020119480W WO2021129033A1 WO 2021129033 A1 WO2021129033 A1 WO 2021129033A1 CN 2020119480 W CN2020119480 W CN 2020119480W WO 2021129033 A1 WO2021129033 A1 WO 2021129033A1
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WO
WIPO (PCT)
Prior art keywords
temperature
resistant
synchronous reluctance
rotor
end cover
Prior art date
Application number
PCT/CN2020/119480
Other languages
English (en)
Chinese (zh)
Inventor
严伟灿
王国龙
胡吉亮
Original Assignee
卧龙电气驱动集团股份有限公司
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.)
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Publication date
Application filed by 卧龙电气驱动集团股份有限公司 filed Critical 卧龙电气驱动集团股份有限公司
Publication of WO2021129033A1 publication Critical patent/WO2021129033A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K19/00—Synchronous motors or generators
    • H02K19/02—Synchronous motors
    • 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
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/02—Windings characterised by the conductor material
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/30—Windings characterised by the insulating material
    • 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
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements

Definitions

  • the invention relates to the field of high temperature resistant motors, in particular to a high temperature resistant synchronous reluctance motor.
  • motors used in fire-fighting facilities need to be able to operate stably in a high-temperature environment above 200°C in many cases.
  • ordinary three-phase asynchronous motors are commonly used, but ordinary three-phase asynchronous motors have insufficient operating reliability in high-temperature environments, which often results in abnormalities in the motors.
  • the technical problem to be solved and the technical task proposed by the present invention are to perfect and improve the existing technical scheme, and provide a high-temperature-resistant synchronous reluctance motor for the purpose of realizing stable operation in a high-temperature environment above 200°C.
  • the present invention adopts the following technical solutions.
  • a high-temperature-resistant synchronous reluctance motor includes a frame, a wire stator arranged in the frame, and a rotor arranged in the center hole of the wire stator.
  • the front and rear ends of the frame are respectively provided with a front end cover and a back end cover, a front end cover and a rear end cover.
  • the bearing chamber of the end cover is provided with a front bearing and a rear bearing correspondingly. The two ends of the rotor shaft pass through the center holes of the front bearing and the rear bearing.
  • the rotor shaft is provided with a fan on the outside of the rear end cover, and is fixed to the machine base by connection
  • the windshield is protected
  • the base is equipped with a junction box
  • the wire stator includes a stator core, a high temperature resistant stator winding, a high temperature resistant insulating paper, a high temperature resistant slot wedge, and a high temperature resistant lead wire.
  • the stator core consists of The silicon steel sheet with a high-temperature-resistant insulating layer on the surface is punched and laminated; the rotor includes a rotor core and the rotating shaft, and the rotor core is formed by laminating the synchronous reluctance motor rotor punching sheets, and the rotating shaft It is fixedly connected with the shaft hole of the rotor core to form a whole rotor; the outer surfaces of the base, front end cover, rear end cover and junction box are provided with heat-resistant thermal insulation coatings, when the internal temperature of the motor is higher than the external ambient temperature of the motor At this time, the internal heat of the motor can be conducted to the external environment of the motor through the high-temperature thermal insulation coating.
  • the high-temperature thermal insulation coating can prevent the heat from the external environment of the motor from being conducted to the inside of the motor;
  • the fan and the wind cover are made of high temperature resistant materials.
  • the stator and rotor cores of the synchronous reluctance motor are laminated with silicon steel sheets.
  • the structure is simple and firm, with good speed regulation performance, high efficiency, no windings on the rotor, no permanent magnets on the rotor, excellent running ability at high speed and high temperature, especially suitable for In harsh working environment, one-way heat-dissipating high-temperature heat-insulating coating is provided on the outer surface of the machine base, front end cover, back end cover and junction box, which can better realize the heat dissipation and heat insulation effect, and ensure that it is under high temperature conditions. , The internal components of the motor and the junction box can operate normally.
  • the enameled wire of the high temperature resistant stator winding adopts the high temperature resistant enameled wire. It can ensure that the enameled wire can still be used normally in a high temperature environment.
  • the high temperature resistant lead wire is formed by wrapping a layer of high temperature resistant heat insulation tape on the motor lead wire. It can ensure that the motor lead wires can work normally in a high temperature environment.
  • the high-temperature resistant insulating paper adopts Class H insulating paper. It can ensure the insulation effect in high temperature environment.
  • a front bearing inner cover is provided on the inner side of the bearing chamber of the front end cover. Can effectively protect the bearing.
  • the lubricating grease of the front bearing and the rear bearing adopts high-temperature grease. Ensure that the bearing can be lubricated well in high temperature environments.
  • the fan is made of cast iron material; the wind cover is stamped and made of iron material. Ensure stable operation in high temperature environment.
  • the thickness of the silicon steel sheet ranges from 0.35 mm to 0.5 mm.
  • the stator and rotor cores of the synchronous reluctance motor are made of laminated silicon steel sheets.
  • the structure is simple and firm, with good speed regulation performance, high efficiency, no windings on the rotor, and no permanent magnets, and it has excellent running ability at high speed and high temperature. Especially suitable for harsh working environment.
  • the heat dissipation and heat insulation effect can be better realized, ensuring that the inside of the motor is under high temperature conditions. And the internal components of the junction box can operate normally.
  • the lubricating grease adopts high temperature grease to ensure that the bearing can be lubricated well under high temperature environment.
  • Figure 1 is a schematic diagram of the structure of the present invention.
  • Fig. 2 is a schematic diagram of the structure of the wire stator of the present invention.
  • Fig. 3 is a schematic diagram of the structure of the rotor punching sheet of the present invention.
  • a high-temperature-resistant synchronous reluctance motor includes a frame 1, a wire stator arranged in the frame 1, and a rotor arranged in the center hole of the wire stator.
  • the front and rear ends of the frame 1 are respectively provided
  • the front end cover 2 and the rear end cover 3, the front end cover 2 and the rear end cover 3 are provided with a front bearing 4 and a rear bearing 6 corresponding to the bearing chambers.
  • the two ends of the rotor shaft 13 pass through the center holes of the front bearing 4 and the rear bearing 6.
  • a fan 14 is provided on the rotating shaft 13 outside the rear cover 3, and is protected by a wind hood 15 fixed to the base 1.
  • a junction box 16 is provided on the base 1.
  • the wire stator includes a stator core 7, which is resistant to high temperature.
  • Stator winding 8, high temperature resistant insulating paper 9, high temperature resistant slot wedge 10, high temperature resistant lead wire 11, stator core 7 is a part of the motor magnetic circuit, which is formed by punching and laminating silicon steel sheets with high temperature resistant insulating layers on the surface.
  • the inner circle of the stator core 7 has evenly distributed slots for embedding the high-temperature resistant stator winding 8; the rotor includes a rotor core 12 and a rotating shaft 13, and the rotor core 12 is formed by laminating a synchronous reluctance motor rotor punching sheet.
  • the shaft 13 and the shaft hole of the rotor core 12 are fixedly connected to form a whole rotor; the outer surface of the base 1, the front end cover 2, the rear end cover 3 and the junction box 16 are provided with high temperature resistant and thermal insulation coatings.
  • the internal temperature of the motor is higher than At the temperature of the motor's external environment, the internal heat of the motor can be conducted to the external environment of the motor through the high-temperature thermal insulation coating.
  • the high-temperature thermal insulation coating can prevent the heat conduction of the external environment of the motor To the inside of the motor; the fan 14 and the wind cover 15 are made of high temperature resistant materials.
  • the enameled wire of the high temperature resistant stator winding 8 adopts the high temperature resistant enameled wire. It can ensure that the enameled wire can still be used normally in a high temperature environment.
  • the high temperature resistant lead wire 11 is formed by wrapping the motor lead wire with a layer of heat resistant insulation tape. It can ensure that the motor lead wires can work normally in a high temperature environment.
  • the high temperature resistant insulating paper 9 adopts H-class insulating paper. It can ensure the insulation effect in high temperature environment.
  • a front bearing inner cover 5 is provided on the inner side of the bearing chamber of the front end cover 2. Can effectively protect the bearing.
  • the lubricating grease of the front bearing 4 and the rear bearing 6 adopts high-temperature grease. Ensure that the bearing can be lubricated well in high temperature environments.
  • the fan 14 is made of cast iron; the wind cover 15 is stamped and formed of iron. Ensure that the fan 14 operates stably in a high temperature environment.
  • the stator and rotor core 12 of the synchronous reluctance motor are laminated by silicon steel sheets.
  • the structure is simple and firm, with good speed regulation performance and high efficiency. There are no windings on the rotor and no permanent magnets. It has excellent running ability at high speed and high temperature. It is suitable for harsh working environment.
  • the heat dissipation and heat insulation effect can be better realized by providing unidirectional heat dissipation high temperature heat insulation coating on the outer surface of base 1, front cover 2, rear cover 3 and junction box 16. Ensure that the internal components of the motor and the internal components of the junction box 16 can operate normally under high temperature conditions.
  • the high-temperature resistant working temperature of this example is above 200°C, and the thickness of the silicon steel sheet in this example is 0.4 mm.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

Moteur électrique à réluctance synchrone résistant aux hautes températures, comprenant une base (1), un stator enroulé, un rotor, un couvercle d'extrémité avant (2), un couvercle d'extrémité arrière (3), un palier avant (4), un palier arrière (6), un ventilateur de refroidissement (14), un couvercle de ventilateur (15) et une boîte de connexion (16). Le stator enroulé comprend un noyau de stator (7) formé par poinçonnage et stratification d'une feuille d'acier au silicium avec une couche isolante résistant aux hautes températures sur sa surface, un enroulement de stator résistant aux hautes températures (8), un papier isolant résistant aux hautes températures (9), un coin de fente résistant aux hautes températures (10), et un fil conducteur résistant aux hautes températures (11). Le rotor comprend un noyau de rotor (12) formé par stratification de feuilles de poinçonnage de rotor d'un moteur électrique à réluctance synchrone, et un arbre de rotation (13). Des surfaces extérieures de la base (1), du couvercle d'extrémité avant (2), du couvercle d'extrémité arrière (3) et de la boîte de connexion (16) sont pourvues de revêtements d'isolation thermique résistant aux hautes températures qui dissipent de manière unidirectionnelle la chaleur vers l'extérieur. Le ventilateur (14) et le couvercle de ventilateur (15) sont constitués de matériaux résistant aux hautes températures. Grâce à l'utilisation du moteur électrique à réluctance synchrone et à l'aide des revêtements d'isolation thermique résistant aux hautes températures, le fonctionnement normal des composants dans le moteur électrique et dans la boîte de connexion (16) dans des conditions de température élevée peut être garanti.
PCT/CN2020/119480 2019-12-25 2020-09-30 Moteur électrique à réluctance synchrone résistant aux hautes températures WO2021129033A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911358823.0 2019-12-25
CN201911358823.0A CN110943588A (zh) 2019-12-25 2019-12-25 一种耐高温同步磁阻电机

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WO2021129033A1 true WO2021129033A1 (fr) 2021-07-01

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Publication number Priority date Publication date Assignee Title
CN110943588A (zh) * 2019-12-25 2020-03-31 卧龙电气驱动集团股份有限公司 一种耐高温同步磁阻电机
CN112769304B (zh) * 2020-12-31 2023-06-13 常州合杰电机有限公司 一种步进电机转子铁芯高力矩分隔工艺
CN113648566A (zh) * 2021-09-15 2021-11-16 江苏智远智能驱动技术研究院有限公司 一种安全性能高的特种电机
CN113890223B (zh) * 2021-09-27 2024-01-02 四川兴九州科技有限公司 一种能够保证稳定运行的卷帘门电机

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1066306A (ja) * 1996-08-12 1998-03-06 Meidensha Corp 全閉外扇形電動機
CN202353349U (zh) * 2011-12-16 2012-07-25 合肥新沪屏蔽泵股份有限公司 一种超高温屏蔽泵
CN107979197A (zh) * 2017-11-08 2018-05-01 卧龙电气集团股份有限公司 一种采用非对称转子冲片永磁辅助同步磁阻电机
CN209526619U (zh) * 2019-04-11 2019-10-22 湖北中船气体有限公司 一种耐高温耐高压电机
CN209767359U (zh) * 2019-01-30 2019-12-10 北京类人科技有限公司 一种可高温运转的新型开关磁阻电机
CN110943588A (zh) * 2019-12-25 2020-03-31 卧龙电气驱动集团股份有限公司 一种耐高温同步磁阻电机
CN211508868U (zh) * 2019-12-25 2020-09-15 卧龙电气驱动集团股份有限公司 一种耐高温同步磁阻电机

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1066306A (ja) * 1996-08-12 1998-03-06 Meidensha Corp 全閉外扇形電動機
CN202353349U (zh) * 2011-12-16 2012-07-25 合肥新沪屏蔽泵股份有限公司 一种超高温屏蔽泵
CN107979197A (zh) * 2017-11-08 2018-05-01 卧龙电气集团股份有限公司 一种采用非对称转子冲片永磁辅助同步磁阻电机
CN209767359U (zh) * 2019-01-30 2019-12-10 北京类人科技有限公司 一种可高温运转的新型开关磁阻电机
CN209526619U (zh) * 2019-04-11 2019-10-22 湖北中船气体有限公司 一种耐高温耐高压电机
CN110943588A (zh) * 2019-12-25 2020-03-31 卧龙电气驱动集团股份有限公司 一种耐高温同步磁阻电机
CN211508868U (zh) * 2019-12-25 2020-09-15 卧龙电气驱动集团股份有限公司 一种耐高温同步磁阻电机

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