CN105680609A - Air compressor-used direct-driven permanent magnet synchronous motor - Google Patents

Air compressor-used direct-driven permanent magnet synchronous motor Download PDF

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Publication number
CN105680609A
CN105680609A CN201610187926.5A CN201610187926A CN105680609A CN 105680609 A CN105680609 A CN 105680609A CN 201610187926 A CN201610187926 A CN 201610187926A CN 105680609 A CN105680609 A CN 105680609A
Authority
CN
China
Prior art keywords
air compressor
synchronous motor
direct
magnet synchronous
permanent magnet
Prior art date
Application number
CN201610187926.5A
Other languages
Chinese (zh)
Inventor
朱殿烨
牛正蕊
Original Assignee
宁波菲仕电机技术有限公司
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 宁波菲仕电机技术有限公司 filed Critical 宁波菲仕电机技术有限公司
Priority to CN201610187926.5A priority Critical patent/CN105680609A/en
Publication of CN105680609A publication Critical patent/CN105680609A/en

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/27Rotor cores with permanent magnets
    • H02K1/2706Inner rotor
    • H02K1/272Inner rotor where the magnetisation axis of the magnets is radial or tangential
    • H02K1/274Inner rotor where the magnetisation axis of the magnets is radial or tangential consisting of a plurality of circumferentially positioned magnets
    • H02K1/2753Inner rotor where the magnetisation axis of the magnets is radial or tangential consisting of a plurality of circumferentially positioned magnets consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/278Surface mounted magnets; Inset magnets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/32Windings characterised by the shape, form or construction of the insulation
    • H02K3/34Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium

Abstract

The invention relates to an air compressor-used direct-driven permanent magnet synchronous motor, which comprises a stator assembly, a rotor module, a cooling shell and an outer shell, wherein the stator assembly is located inside the cooling shell; the rotor module is sleeved in the stator assembly; the front end of the outer shell is provided with a front flange; the rear end of the cooling shell is provided with a rear flange; a rear cover plate is connected onto the rear flange; the outer surface of the cooling shell is provided with ribs and grooves which are staggered mutually; the outer shell is arranged on the cooling shell in a pressing mode and is matched with the grooves to form a circulation pipeline; and two ends of the circulation pipeline are respectively communicated with an inlet and an outlet in the outer shell. the temperature rise range can be effectively controlled, requirements of operation in harsh heat radiation conditions by the air compressor can be better me, and disassembly, assembly and maintenance are facilitated.

Description

A kind of direct-drive permanent magnet synchronous motor used for air compressor

Technical field

The present invention relates to technical field of motors, particularly relate to a kind of direct-drive permanent magnet synchronous motor used for air compressor.

Background technology

Utilize the air compressor machine of permanent-magnet synchronous motor because of energy-saving effect obvious, be used widely. It is obvious that permanent-magnet synchronous motor has energy-saving effect relative to Asynchronous Frequency-variable motor, temperature rise is low, startability good, underloading time efficiency advantages of higher. Permanent-magnet synchronous motor directly drives air compressor machine and decreases main frame and motor and adopt belt, shaft coupling etc. to be connected structure, and transmission loss directly reduces, and decreases trouble spot, and volume is little, is more conducive to air compressor machine machine station layout. Air compressor machine is directly driven by permanent-magnet synchronous motor, and the heat of handpiece of air compressor can be transmitted to motor side, and motor radiating is caused disadvantageous effect, can cause motor overheating, and rotor demagnetizes, the situations such as burn-down of electric motor.

Summary of the invention

Technical problem to be solved by this invention is to provide a kind of direct-drive permanent magnet synchronous motor used for air compressor, it is possible to effectively control limit of temperature rise, is more suitable for the requirement that air compressor machine works when severe heat radiation, is convenient to dismounting and safeguards.

The technical solution adopted for the present invention to solve the technical problems is: provide a kind of direct-drive permanent magnet synchronous motor used for air compressor, comprise stator module, rotor module, cooling housing and body skin, described stator module is positioned at the inside of described cooling housing, described rotor module is sleeved on the inside of described stator module, the front end of described body skin is provided with forward flange, the rear end of described cooling housing is provided with rear flange, described rear flange is connected with rear cover plate, described cooling housing outside surface is provided with interlaced muscle and groove, described body skin is fitted in described cooling housing and and complements each other to form circulating line with described groove outward, the two ends of described circulating line are connected with outlet with the import on body skin respectively.

Described stator module comprises rule stator, and described rule stator is arranged on the inside of described cooling housing; Outside described rule stator, also embedding has epoxy material.

Described rotor module comprises rotating shaft, rotor iron core and magnet steel, and described rotor iron core is press fit in described rotating shaft by flat key guiding, and described magnet steel utilizes binding agent to paste the outer round surface of described rotor iron core, and described sleeve pipe is press fit into described magnet steel outside surface; Described rotating shaft is provided with the mechanical interface for being connected with air compressor machine.

Described rotor iron core comprises rotor punching, double end stud, set nut and pressure ring, and described double end stud, through pressure ring and rotor punching, connects with set nut locking.

Described pressure ring is provided with balance groove, described balance groove has down toothing.

Described rotating shaft is provided with and ejects screw thread.

Described rotating shaft is provided with the taper hole carrying out connecting for stretching out axle with handpiece of air compressor.

Described sleeve pipe adopts carbon fiber or stainless material to make.

It is provided with sealing-ring between described cooling housing and body skin.

Described rear cover plate adopts transparent material to make.

Useful effect

Owing to have employed above-mentioned technical scheme, the present invention compared with prior art, has following advantage and positively effect: the permanent-magnet synchronous motor of the present invention is that rotor-stator is split type, inner bearing-free, rotor is directly connected with handpiece of air compressor rotating shaft by rotating shaft, reduces mechanical loss. Adopt liquid cooling loops, can supply water separately or oil, it is possible to be connected to air compressor machine circulating oil path, good heat dissipation effect, integrated level height, relative to ventilated machine, reduce pneumatic noise and loss. This motor rotor adopts the folded assembling structure of punching, reduces motor iron loss, can adapt to air compressor machine high rotating speed badly heat radiation when run, connect simple, for convenience detach.

Accompanying drawing explanation

Fig. 1 is the side cutaway view of the present invention;

Fig. 2 is the top plan view of the present invention;

Wherein, 1. stator module; 2. rotor module; 3. forward flange; 4. body skin; 5. water-cooled housing; 6. stator core; 7. winding; 8. epoxy material; 9. rear flange; 10. pinout connector seat; Cover plate after 11.; 12. rotating shafts; 13. double end studs; 14. pressure rings; 15. magnet steel; 16. rotor punchings; 17. base plates; 18. sleeve pipes; 19. set nuts; 20. flat keys; 21. eject screw thread; 22. grooves; 23. oil inlet and outlets; 24. rotor iron cores; 25.O type circle; 26. pressure rings are toothing; 27. rule stators.

Embodiment

Below in conjunction with specific embodiment, set forth the present invention further. Limit the scope of the invention it will be understood that these embodiments are only not used in for illustration of the present invention. In addition it will be understood that after having read the content that the present invention lectures, the present invention can be made various changes or modifications by those skilled in the art, and these equivalent form of values fall within the application's appended claims limited range equally.

Embodiments of the present invention relate to a kind of direct-drive permanent magnet synchronous motor used for air compressor, comprise stator module, rotor module, cooling housing and body skin, described stator module is positioned at the inside of described cooling housing, described rotor module is sleeved on the inside of described stator module, the front end of described body skin is provided with forward flange, the rear end of described cooling housing is provided with rear flange, described rear flange is connected with rear cover plate, described cooling housing outside surface is provided with interlaced muscle and groove, described body skin is fitted in described cooling housing and and complements each other to form circulating line with described groove outward, the two ends of described circulating line are connected with outlet with the import on body skin respectively.

The permanent-magnet synchronous motor used for air compressor of the present invention is due to stator module employing liquid circulation cooling, when running under air compressor machine mal-condition, can effectively control motor temperature rise, and adopt split type electric machine structure, directly drive bearing-free to support, improve the interchangeability of stator and rotor, decrease middle-chain, it is to increase motor output efficiency. Volume is little, it is easy to arrange, easy accessibility.

As depicted in figs. 1 and 2, a kind of permanent-magnet synchronous motor used for air compressor, comprise cooling housing 5, body skin 4, stator module 1, rotor module 2, forward flange 3, rear flange 9, rear cover plate 11, base plate 17 and pinout connector seat 10, described stator module comprises rule stator 27, and described rule stator comprises winding 7 and stator core 6.Described rule stator 27 is by being connected in cooling housing 5, and body skin 4 is press fit into outside cooling housing 5, is provided with O 25 between the two and seals. Be provided with interlaced muscle and groove 22 due to cooling housing 5 outside surface, therefore, it is possible to coordinate with body skin 4 formed refrigeration cycle passage, body skin 4 is provided with oil inlet and outlet 23, can external connector, introduce cooling liqs. Described forward flange 3 is connected on body skin 4 by fastening piece and only mouth, or makes an entirety with body skin 4; Described rear flange 9 is connected on cooling housing 5 by fastening piece and only mouth, and the embedding of described epoxy material 8 is outside to rule stator 27, ensures stator winding 7 insulating requirements. Described rear cover plate 11 is connected on rear flange 9 by fastening piece, is provided with O sealed structure therebetween, and described pinout connector seat 10 is also connected on rear flange 9. Described motor rotor module comprises rotating shaft 12, rotor iron core 24, flat key 20, magnet steel 15, sleeve pipe 18, and described rotor iron core comprises rotor punching 16, double end stud 13, set nut 19, pressure ring 14. Described rotor iron core passes pressure ring 14 and rotor punching 16 by double end stud 13, lock with set nut 19 and connect and become, described rotor iron core is press fit in rotating shaft 12 by flat key 20 guiding, described magnet steel 15 utilizes binding agent to paste rotor iron core outer round surface, described sleeve pipe 18 is press fit into magnet steel 15 outside surface, plays the effect of fixing magnet steel 15. On pressure ring 14, it is provided with balance groove for doing rotor dynamic balancing, balance groove has down toothing 26, is conducive to counterweight balance mud, and prevents high rotating speed from coming off.

This permanent-magnet synchronous motor and handpiece of air compressor mode of connection are, the connection hole that described stator module 1 is provided with by forward flange 3 is connected with handpiece of air compressor flange with only mouth, and carry out fastening piece by base plate 17 with air compressor machine machine station base plate and connect, described rotor module 2 is stretched out axle by taper hole cooperation with handpiece of air compressor and is connected, and utilize bolt and pressing plate to realize taper hole displacement and coordinate location, ensure rotor module 2 and stator module 1 position relation axially on the one hand, ensure rotor-stator air gap on the other hand, prevent machinery from wiping and touch. After stator module 1 is installed, it is not necessary to dismounting rear flange 9, only need to disassemble rear cover plate 11, just can assembling rotor module 2, rear cover plate 11 is transparent cover plate, convenient observation rotor turns direction, and it is provided with in the rotating shaft 12 of rotor module and ejects screw thread 21, rotor module for convenience detach.

Be not difficult to find, the present invention owing to adopting after said structure, useful successful: first, air compressor machine permanent-magnet synchronous motor is made water (oil) cool electric machine, and integrated with air compressor machine circulating oil path together with, namely simplify the layout at air compressor machine machine station, solve again the heat dissipation problem of stator module. 2nd, permanent-magnetic synchronous motor rotor is made stacked, reduce rotor iron loss, under severe working condition, handpiece of air compressor transmits heat can not make magnet steel that phenomenon of demagnetizing occurs with the heat itself produced, and significantly improves motor temperature rise situation, it is to increase working efficiency and reliability. 3rd, adopt this permanent-magnet synchronous motor Direct driver air compressor machine, eliminate the components such as shaft coupling, belt, bearing, efficiency height, for convenience detach, volume is little, it is easy to arrange. 4th, adopt rotor-stator separation motor form, it is to increase the interchangeability of stator module and rotor module, easy to maintenance.

Claims (10)

1. a direct-drive permanent magnet synchronous motor used for air compressor, comprise stator module, rotor module, cooling housing and body skin, described stator module is positioned at the inside of described cooling housing, described rotor module is sleeved on the inside of described stator module, the front end of described body skin is provided with forward flange, the rear end of described cooling housing is provided with rear flange, described rear flange is connected with rear cover plate, it is characterized in that, described cooling housing outside surface is provided with interlaced muscle and groove, described body skin is fitted in described cooling housing and and complements each other to form circulating line with described groove outward, the two ends of described circulating line are connected with outlet with the import on body skin respectively.
2. direct-drive permanent magnet synchronous motor used for air compressor according to claim 1, it is characterised in that, described stator module comprises rule stator, and described rule stator is arranged on the inside of described cooling housing; Outside described rule stator, also embedding has epoxy material.
3. direct-drive permanent magnet synchronous motor used for air compressor according to claim 1, it is characterized in that, described rotor module comprises rotating shaft, rotor iron core and magnet steel, described rotor iron core is press fit in described rotating shaft by flat key guiding, described magnet steel utilizes binding agent to paste the outer round surface of described rotor iron core, and described sleeve pipe is press fit into described magnet steel outside surface; Described rotating shaft is provided with the mechanical interface for being connected with air compressor machine.
4. direct-drive permanent magnet synchronous motor used for air compressor according to claim 3, it is characterised in that, described rotor iron core comprises rotor punching, double end stud, set nut and pressure ring, and described double end stud, through pressure ring and rotor punching, connects with set nut locking.
5. direct-drive permanent magnet synchronous motor used for air compressor according to claim 4, it is characterised in that, described pressure ring is provided with balance groove, described balance groove has down toothing.
6. direct-drive permanent magnet synchronous motor used for air compressor according to claim 3, it is characterised in that, described rotating shaft is provided with and ejects screw thread.
7. direct-drive permanent magnet synchronous motor used for air compressor according to claim 3, it is characterised in that, described rotating shaft is provided with the taper hole carrying out connecting for stretching out axle with handpiece of air compressor.
8. direct-drive permanent magnet synchronous motor used for air compressor according to claim 3, it is characterised in that, described sleeve pipe adopts carbon fiber or stainless material to make.
9. direct-drive permanent magnet synchronous motor used for air compressor according to claim 1, it is characterised in that, it is provided with sealing-ring between described cooling housing and body skin.
10. direct-drive permanent magnet synchronous motor used for air compressor according to claim 1, it is characterised in that, described rear cover plate adopts transparent material to make.
CN201610187926.5A 2016-03-29 2016-03-29 Air compressor-used direct-driven permanent magnet synchronous motor CN105680609A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106208436A (en) * 2016-08-15 2016-12-07 中国船舶重工集团公司第七〇二研究所 A kind of direct-drive permanent-magnetism motor
CN107612257A (en) * 2017-09-12 2018-01-19 苏州德能电机股份有限公司 A kind of efficiently direct-coupled air compressor oil cooling permagnetic synchronous motor and its instillation process
CN110247496A (en) * 2018-03-07 2019-09-17 台达电子工业股份有限公司 Mechanical device and its bearingless motors

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62171447A (en) * 1986-12-22 1987-07-28 Hitachi Ltd Closed type motor-driven compressor
CN201887572U (en) * 2010-12-21 2011-06-29 宁波菲仕电机技术有限公司 Wound stator for servo motor
CN102957266A (en) * 2012-10-26 2013-03-06 宁波菲仕运动控制技术有限公司 Water cooling device for servo motor
CN203180718U (en) * 2013-03-04 2013-09-04 上海飞和压缩机制造有限公司 Connection structure between air compressor and driving motor thereof
CN203761158U (en) * 2014-03-03 2014-08-06 常州奥立思特电子有限公司 Permanent magnet motor rotor structure
CN104329253A (en) * 2014-09-18 2015-02-04 苏州欧能螺杆技术有限公司 Efficient permanent magnet synchronous screw main-engine
CN204408102U (en) * 2015-03-04 2015-06-17 苏州通润驱动设备股份有限公司 Permagnetic synchronous motor and include the helical-lobe compressor of this permagnetic synchronous motor
CN205583906U (en) * 2016-03-29 2016-09-14 宁波菲仕电机技术有限公司 Air compressor machine is with directly driving PMSM

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62171447A (en) * 1986-12-22 1987-07-28 Hitachi Ltd Closed type motor-driven compressor
CN201887572U (en) * 2010-12-21 2011-06-29 宁波菲仕电机技术有限公司 Wound stator for servo motor
CN102957266A (en) * 2012-10-26 2013-03-06 宁波菲仕运动控制技术有限公司 Water cooling device for servo motor
CN203180718U (en) * 2013-03-04 2013-09-04 上海飞和压缩机制造有限公司 Connection structure between air compressor and driving motor thereof
CN203761158U (en) * 2014-03-03 2014-08-06 常州奥立思特电子有限公司 Permanent magnet motor rotor structure
CN104329253A (en) * 2014-09-18 2015-02-04 苏州欧能螺杆技术有限公司 Efficient permanent magnet synchronous screw main-engine
CN204408102U (en) * 2015-03-04 2015-06-17 苏州通润驱动设备股份有限公司 Permagnetic synchronous motor and include the helical-lobe compressor of this permagnetic synchronous motor
CN205583906U (en) * 2016-03-29 2016-09-14 宁波菲仕电机技术有限公司 Air compressor machine is with directly driving PMSM

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106208436A (en) * 2016-08-15 2016-12-07 中国船舶重工集团公司第七〇二研究所 A kind of direct-drive permanent-magnetism motor
CN107612257A (en) * 2017-09-12 2018-01-19 苏州德能电机股份有限公司 A kind of efficiently direct-coupled air compressor oil cooling permagnetic synchronous motor and its instillation process
CN110247496A (en) * 2018-03-07 2019-09-17 台达电子工业股份有限公司 Mechanical device and its bearingless motors

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Application publication date: 20160615