CN104767330A - Double-stator variable frequency speed regulation asynchronous motor - Google Patents

Double-stator variable frequency speed regulation asynchronous motor Download PDF

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Publication number
CN104767330A
CN104767330A CN201510199259.8A CN201510199259A CN104767330A CN 104767330 A CN104767330 A CN 104767330A CN 201510199259 A CN201510199259 A CN 201510199259A CN 104767330 A CN104767330 A CN 104767330A
Authority
CN
China
Prior art keywords
motor
support
end cap
asynchronous motor
frequency control
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
CN201510199259.8A
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Chinese (zh)
Inventor
梁黎君
杨建华
陈记春
雷晓林
孙强
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.)
CRRC Yongji Electric Co Ltd
Original Assignee
Yongji Xinshisu Electric Equipment Co Ltd
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 Yongji Xinshisu Electric Equipment Co Ltd filed Critical Yongji Xinshisu Electric Equipment Co Ltd
Priority to CN201510199259.8A priority Critical patent/CN104767330A/en
Publication of CN104767330A publication Critical patent/CN104767330A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K16/00Machines with more than one rotor or stator

Abstract

The invention provides a double-stator variable frequency speed regulation asynchronous motor and solves the problems that a current load motor used for a testbed is large in power and wide in constant power range. The motor is a dual independent coil, namely independent stators and independent rotors, the independent stators and the independent rotors share a motor seat, double overhead draught fans force ventilation and cooling, an ejection wire box structure is used in common, import bearings are adopted, a velocity measurement encoder is installed at the non-transmission end of the motor, and the motor bearings and the coil are each provided with a temperature sensor. According to the motor, by selecting the electromagnetism parameters and mechanical structure of the motor reasonably, the requirements of large power (2 * 1200 kW) and wide constant power range (41.6 - 106 Hz) are satisfied, the load capacity of the motor at a high velocity section is improved, the operating environment requirements of the experimental motor are satisfied, and relevant technological standards of the asynchronous motor are satisfied. The motor has a certain potential market, and by referring to the designing and manufacturing experience of the motor, certain economic benefits can be obtained by applying the experience to other fields.

Description

Bimorph transducer variable-frequency control asynchronous motor
Technical field
The present invention relates to a kind of high-power, wide permanent merit scope asynchronous motor, specifically a kind of bimorph transducer variable-frequency control asynchronous motor.
Background technology
At present, there is certain defect in the load motor that HXD2C electric locomotive electric transmission united test station is equipped with, this load motor has dragged down the test capability of testing stand, and test set-up procedure is loaded down with trivial details, and testing stand space is narrow, and device fabrication cost is higher.
Summary of the invention
The object of the invention is to solve above-mentioned problems of the prior art, and a kind of bimorph transducer variable-frequency control asynchronous motor is provided.This motor is horizontal-type biaxial bearing structure, it is the load motor for HXD2C electric locomotive electric transmission united test station is equipped with, it is the testing stand load motor of high-power, the wide permanent merit scope of two independent winding of domestic development and production first, this electronic function improves the test capability of testing stand greatly, and energy short form test set-up procedure, greatly save the manufacturing cost of equipment.
The present invention is achieved through the following technical solutions:
A kind of bimorph transducer variable-frequency control asynchronous motor, comprise left support, right support and rotating shaft, the right output port of left support is docked fixing with the left port of right support by seam, alignment pin and bolt, the left port of left support is provided with left end cap, the right output port of right support is provided with right end cap; Rotating shaft is through the axle center place of left support and right support, and the left end of rotating shaft is driving end and is arranged on left end cap by drive bearing, left end cap is also provided with left inside outer vulcanized fiber board, left inside outer bearing cover and left inside seal ring; The right-hand member of rotating shaft is non-transmision end and is arranged on right end cap by non-drive bearing, right end cap is also provided with right inside outer vulcanized fiber board, right inside outer bearing cover and right inside seal ring; In left support, left stator is installed, part rotating shaft being positioned at left support is provided with the left rotor coordinated with left stator; In right support, right stator is installed, part rotating shaft being positioned at right support is provided with right-hand rotation that coordinates with right stator (stator when mounted, specifically overlap stators difference hot jackets by two after corresponding support, carry out vacuum pressure impregnation, rotary roasting, water test respectively, then add bolt by seam, alignment pin to be formed by connecting field frame assembly, to carry out motor general assembly); The top of left support is provided with left blower fan, the top of right support is provided with right blower fan, and (two blower fans work alone, centre dividing plate separates, cooling motor two parts respectively), the top of left support and right support junction is provided with terminal box, and left stator and right stator three-phase lead-out wire share this terminal box, to reduce terminal box size.
Further, left support and right support are all adopt Welding Structure, and cylindrical shell position adopts 12 roads to indulge the tower structure of muscle, bipassage ring muscle, strengthens support intensity, improves ventilating and cooling effect; Left end cap and right end cap all adopt concave shaped structure, reduce left and right two bearings support interval, reduce rotating shaft deflection, reduce end cap position windage and ventilation eddy current loss.
This motor is provided with sealed bearing housing, the hermetically-sealed construction that sealed bearing housing adopts labyrinth and groove to combine, oiling oil circuit and draining oil circuit are set simultaneously, and configure fuel filler neck and oil spilling mouth, fuel filler neck is arranged in respective end and covers, oil spilling mouth is arranged in respective outer shafts and holds and cover, facilitate user to safeguard motor.
The inner surface of left end cap and right end cap is all welded with radiating ribs, increases heat-sinking capability; Left rotor and right-hand rotation are all provided with ring bodies balancing frame and leave axial ventilation mouth.
Right end cap is provided with the speed measuring coder for detecting rotating shaft non-transmision end rotating speed.
The invention solves following Railway Project: 1) electromagnetic parameters; 2) the two independent winding of motor, altogether support (individual stator and rotor), double overhead blower fan, Double Tops outlet box structure; 3) motor heating problem under two fans cooling, the research carrying out forced air cooling calculates, configuration low-noise fan; 4) problem such as the winding insulation structure of motor under inverter power supply, noise; 5) double winding is total to mechanical strength, the Rigidity Calculation problems such as support, corotation axle lower support, rotating shaft; 6) because motor torque is large, axial dimension is comparatively large, the higher lower bearing selection issue of rotating speed.
Engine of the present invention is by reasonable selection motor electromagnetic parameter and mechanical structure, meet the requirement of high-power (2 × 1200kW) and wide permanent merit scope (41.6 ~ 106Hz), improve the load capacity of motor in high regime, meet the requirement of experiment motor running environment, meet asynchronous machine Its Relevant Technology Standards.The present invention has certain potential market, and that uses for reference this motor manufactures and designs experience, uses other field and also can bring certain economic benefit.
Accompanying drawing explanation
Fig. 1 is the structural representation of apparatus of the present invention.
In figure: the left support of 1-, the right support of 2-, 3-rotating shaft, 4-left end cap, 5-right end cap, 6-drive bearing, the non-drive bearing of 7-, the left stator of 8-, 9-left rotor, the right stator of 10-, 11-right-hand rotation, the left blower fan of 12-, the right blower fan of 13-, 14-terminal box, 15-speed measuring coder.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, a kind of bimorph transducer variable-frequency control asynchronous motor, comprise left support 1, right support 2 and rotating shaft 3, the right output port of left support 1 is docked fixing with the left port of right support 2 by seam, alignment pin and bolt, the left port of left support 1 is provided with left end cap 4, the right output port of right support 2 is provided with right end cap 5; Rotating shaft 3 is through the axle center place of left support 1 and right support 2, and the left end of rotating shaft 3 is driving end and is arranged on left end cap 4 by drive bearing 6, left end cap 4 is also provided with left inside outer vulcanized fiber board, left inside outer bearing cover and left inside seal ring; The right-hand member of rotating shaft 3 is non-transmision end and is arranged on right end cap 5 by non-drive bearing 7, right end cap 5 is also provided with right inside outer vulcanized fiber board, right inside outer bearing cover and right inside seal ring; In left support 1, left stator 8 is installed, part rotating shaft 3 being positioned at left support 1 is provided with the left rotor 9 coordinated with left stator 8; In right support 2, right stator 10 is installed, part rotating shaft 3 being positioned at right support 2 is provided with right-hand rotation 11 coordinated with right stator 10; The top of left support 1 is provided with left blower fan 12, and the top of right support 2 is provided with right blower fan 13, and left support 1 is provided with terminal box 14 with the top of right support 2 junction, and left stator 8 and right stator 10 three-phase lead-out wire share this terminal box 14.Wherein, left support 1 and right support 2 are all adopt Welding Structure, and cylindrical shell position adopts 12 roads to indulge the tower structure of muscle, bipassage ring muscle; Left end cap 4 and right end cap 5 all adopt concave shaped structure.The hermetically-sealed construction that sealed bearing housing adopts labyrinth and groove to combine, arrange simultaneously and refuel oil circuit and draining oil circuit, and configure fuel filler neck and oil spilling mouth, fuel filler neck is arranged in respective end and covers, and oil spilling mouth is arranged in respective outer shafts and holds and cover.The inner surface of left end cap 4 and right end cap 5 is all welded with radiating ribs.Left rotor 9 and son 11 of turning right all are provided with ring bodies balancing frame and leave axial ventilation mouth.Right end cap 5 is provided with the speed measuring coder 15 for detecting rotating shaft 3 non-transmision end rotating speed.
Concrete, this bimorph transducer variable-frequency control asynchronous motor adopts horizontal-type biaxial bearing structure, and large support is made up of the independent support in two, left and right; Two composing type stator winding are provided with in support, by two cover ironcore chokes assemblings respectively hot jackets after corresponding support, carry out vacuum pressure impregnation, rotary roasting, water test respectively, then add bolt by seam and to be formed by connecting field frame assembly, winding is equipped with PT100 temperature sensor; Large support two ends are fixed with left and right end cap 4,5 respectively, left and right end cap 4,5 is supported in rotating shaft 3 through drive bearing 6 and non-drive bearing 7, the model of drive bearing 6 is NU240ECM/C4, the model of non-drive bearing 7 is 6236M/C4, drive bearing 6 and non-drive bearing 7 are equipped with PT100 temperature sensor, left and right end cap 4,5 adopts bolt to link into an integrated entity with support, and left and right end cap 4,5 inner surface is welded with radiating ribs, increases heat-sinking capability; The hermetically-sealed construction that sealed bearing housing adopts labyrinth and groove to combine, arrange oiling oil circuit and draining oil circuit simultaneously, and configure fuel filler neck and oil spilling mouth, fuel filler neck is arranged in corresponding end and covers, and oil spilling mouth is arranged on corresponding outer bearing cover; Ring bodies balancing frame rotor is equipped with and hot jacket in rotating shaft, in rotating shaft 3, hot jacket has rotor core, and rotor also leaves axial ventilation hole; Double Tops portion air intake, the air-out of two two sides, adopts two fans, and forced ventilation cools, and two blower fans work alone, and centre dividing plate separates, respectively two parts of cooling motor.Adopt new structure terminal box 14, double winding stator three-phase lead-out wire, share a terminal box 14, reduce terminal box 14 size.
This motor is in specific design, stator coil is two-layered, formed coil, stator coil adopts automatic moulding machine shaping, stator built-in line, line adopt U, V, W ring, and with being supported and fixed on trim ring, stator overall vacuum pressure immersion varnish, stator winding adopts 200 grades of corona-resistant insulation structure+VPI+ rotary roasting+immersion technology, adopt mica tape over the ground, outsourcing adopts alkali-free glass wool adhesive tape; Rotor bar and end ring adopt the welding of Special middle frequency induction brazing equipment, conducting ring lead riser welding time between lead riser and ring mat thickness 5mm copper billet, lead riser can be avoided to contact with other conducting ring, conducting ring convenient for assembly, to improve machine operation reliability, guarantee parameter of electric machine consistency; At motor internal non-transmision end, speed measuring coder is installed, detects the rotating speed of motor; Stator and rotor Material quality of lamination adopts cold rolling 50TW600, reduces stator and rotor cores loss; Slot wedge adopts high strength laminate 9334 grades, reduces stator temperature rise.

Claims (10)

1. a bimorph transducer variable-frequency control asynchronous motor, it is characterized in that: comprise left support (1), right support (2) and rotating shaft (3), the right output port of left support (1) is docked fixing with the left port of right support (2) by seam, alignment pin and bolt, the left port of left support (1) is provided with left end cap (4), the right output port of right support (2) is provided with right end cap (5); Rotating shaft (3) is through the axle center place of left support (1) and right support (2), the left end of rotating shaft (3) is driving end and is arranged on left end cap (4) by drive bearing (6), and left end cap (4) is also provided with left inside outer vulcanized fiber board, left inside outer bearing cover and left inside seal ring; The right-hand member of rotating shaft (3) is non-transmision end and is arranged on right end cap (5) by non-drive bearing (7), and right end cap (5) is also provided with right inside outer vulcanized fiber board, right inside outer bearing cover and right inside seal ring; Left stator (8) is installed in left support (1), part rotating shaft (3) being positioned at left support (1) is provided with the left rotor (9) coordinated with left stator (8); Right stator (10) is installed in right support (2), part rotating shaft (3) being positioned at right support (2) is provided with right-hand rotation (11) coordinated with right stator (10); The top of left support (1) is provided with left blower fan (12), the top of right support (2) is provided with right blower fan (13), left support (1) is provided with terminal box (14) with the top of right support (2) junction, and left stator (8) and right stator (10) three-phase lead-out wire share this terminal box (14).
2. bimorph transducer variable-frequency control asynchronous motor according to claim 1, is characterized in that: left support (1) and right support (2) are all adopt Welding Structure, and cylindrical shell position adopts 12 roads to indulge the tower structure of muscle, bipassage ring muscle; Left end cap (4) and right end cap (5) all adopt concave shaped structure.
3. bimorph transducer variable-frequency control asynchronous motor according to claim 1 and 2, it is characterized in that: the hermetically-sealed construction that sealed bearing housing adopts labyrinth and groove to combine, oiling oil circuit and draining oil circuit are set simultaneously, and configure fuel filler neck and oil spilling mouth, fuel filler neck is arranged in respective end and covers, and oil spilling mouth is arranged in respective outer shafts and holds and cover.
4. bimorph transducer variable-frequency control asynchronous motor according to claim 1 and 2, is characterized in that: the inner surface of left end cap (4) and right end cap (5) is all welded with radiating ribs.
5. bimorph transducer variable-frequency control asynchronous motor according to claim 3, is characterized in that: the inner surface of left end cap (4) and right end cap (5) is all welded with radiating ribs.
6. bimorph transducer variable-frequency control asynchronous motor according to claim 1 and 2, is characterized in that: left rotor (9) and son (11) of turning right all are provided with ring bodies balancing frame and leave axial ventilation mouth.
7. bimorph transducer variable-frequency control asynchronous motor according to claim 3, is characterized in that: left rotor (9) and son (11) of turning right all are provided with ring bodies balancing frame and leave axial ventilation mouth.
8. bimorph transducer variable-frequency control asynchronous motor according to claim 4, is characterized in that: left rotor (9) and son (11) of turning right all are provided with ring bodies balancing frame and leave axial ventilation mouth.
9. bimorph transducer variable-frequency control asynchronous motor according to claim 5, is characterized in that: left rotor (9) and son (11) of turning right all are provided with ring bodies balancing frame and leave axial ventilation mouth.
10. bimorph transducer variable-frequency control asynchronous motor according to claim 1 and 2, is characterized in that: right end cap (5) is provided with the speed measuring coder (15) for detecting rotating shaft (3) non-transmision end rotating speed.
CN201510199259.8A 2015-04-24 2015-04-24 Double-stator variable frequency speed regulation asynchronous motor Pending CN104767330A (en)

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Application Number Priority Date Filing Date Title
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105141093A (en) * 2015-08-26 2015-12-09 永济新时速电机电器有限责任公司 Safety-increasing explosion-proof type variable-frequency adjustable-speed asynchronous motor for petroleum drilling winch
CN106059165A (en) * 2016-08-15 2016-10-26 中车永济电机有限公司 Increased-safety explosion-proof type frequency-conversion speed regulation asynchronous motor for petroleum drilling winch
CN106532997A (en) * 2016-12-21 2017-03-22 上海电气集团上海电机厂有限公司 Super-high-speed asynchronous motor
CN107147259A (en) * 2017-07-13 2017-09-08 中车永济电机有限公司 Ship is promoted mainly into using double armature variable-frequency control asynchronous motor
RU174156U1 (en) * 2017-06-01 2017-10-05 федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский горный университет" MULTISTATOR ASYNCHRONOUS MOTOR
CN107294326A (en) * 2017-07-14 2017-10-24 中车永济电机有限公司 The variable-frequency control asynchronous motor of double stators and double rotors
CN107834751A (en) * 2017-11-28 2018-03-23 威海众泰电机有限公司 A kind of high-speed electric expreess locomotive

Citations (6)

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Publication number Priority date Publication date Assignee Title
CN101420159A (en) * 2007-10-25 2009-04-29 襄樊特种电机有限公司 Generator-motor for automobile
US20100026122A1 (en) * 1998-02-27 2010-02-04 Foundation Gni, Ltd Variable speed constant frequency motor
CN201632403U (en) * 2010-03-26 2010-11-17 三一重型装备有限公司 Vibration exciter for vibrating screen
CN102386735A (en) * 2011-11-22 2012-03-21 永济新时速电机电器有限责任公司 Compact-type high-power top drive variable frequency speed control asynchronous motor
CN203261154U (en) * 2013-05-09 2013-10-30 上海电气集团上海电机厂有限公司 Rotor structure of superspeed PMSM
CN204497929U (en) * 2015-04-24 2015-07-22 永济新时速电机电器有限责任公司 Bimorph transducer variable-frequency control asynchronous motor

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Publication number Priority date Publication date Assignee Title
US20100026122A1 (en) * 1998-02-27 2010-02-04 Foundation Gni, Ltd Variable speed constant frequency motor
CN101420159A (en) * 2007-10-25 2009-04-29 襄樊特种电机有限公司 Generator-motor for automobile
CN201632403U (en) * 2010-03-26 2010-11-17 三一重型装备有限公司 Vibration exciter for vibrating screen
CN102386735A (en) * 2011-11-22 2012-03-21 永济新时速电机电器有限责任公司 Compact-type high-power top drive variable frequency speed control asynchronous motor
CN203261154U (en) * 2013-05-09 2013-10-30 上海电气集团上海电机厂有限公司 Rotor structure of superspeed PMSM
CN204497929U (en) * 2015-04-24 2015-07-22 永济新时速电机电器有限责任公司 Bimorph transducer variable-frequency control asynchronous motor

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105141093A (en) * 2015-08-26 2015-12-09 永济新时速电机电器有限责任公司 Safety-increasing explosion-proof type variable-frequency adjustable-speed asynchronous motor for petroleum drilling winch
CN106059165A (en) * 2016-08-15 2016-10-26 中车永济电机有限公司 Increased-safety explosion-proof type frequency-conversion speed regulation asynchronous motor for petroleum drilling winch
CN106532997A (en) * 2016-12-21 2017-03-22 上海电气集团上海电机厂有限公司 Super-high-speed asynchronous motor
RU174156U1 (en) * 2017-06-01 2017-10-05 федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский горный университет" MULTISTATOR ASYNCHRONOUS MOTOR
CN107147259A (en) * 2017-07-13 2017-09-08 中车永济电机有限公司 Ship is promoted mainly into using double armature variable-frequency control asynchronous motor
CN107294326A (en) * 2017-07-14 2017-10-24 中车永济电机有限公司 The variable-frequency control asynchronous motor of double stators and double rotors
CN107834751A (en) * 2017-11-28 2018-03-23 威海众泰电机有限公司 A kind of high-speed electric expreess locomotive

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Application publication date: 20150708