CN202260928U - High voltage explosion-proof variable frequency and variable speed three-phase asynchronous motor - Google Patents

High voltage explosion-proof variable frequency and variable speed three-phase asynchronous motor Download PDF

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Publication number
CN202260928U
CN202260928U CN201120290156XU CN201120290156U CN202260928U CN 202260928 U CN202260928 U CN 202260928U CN 201120290156X U CN201120290156X U CN 201120290156XU CN 201120290156 U CN201120290156 U CN 201120290156U CN 202260928 U CN202260928 U CN 202260928U
Authority
CN
China
Prior art keywords
high voltage
wind path
rotor
frequency control
threephase asynchronous
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.)
Expired - Fee Related
Application number
CN201120290156XU
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Chinese (zh)
Inventor
甘方熹
耿治起
金红
张东波
于喜伟
张旭
杨亚美
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.)
Nanyang Explosion Protection Group Co Ltd
Original Assignee
Nanyang Explosion Protection Group 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
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Priority to CN201120290156XU priority Critical patent/CN202260928U/en
Application granted granted Critical
Publication of CN202260928U publication Critical patent/CN202260928U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a high voltage explosion-proof variable frequency and variable speed three-phase asynchronous motor. The high voltage explosion-proof variable frequency and variable speed three-phase asynchronous motor comprises a motor main body, wherein internal and external air channels which are isolated from each other are arranged in the motor main body; an internal air channel cooling fan is arranged in the internal air channel; an external air channel cooling fan is arranged in the external air channel; a double-layer streamlined air duct is arranged on one side in the motor main body; and the external air channel cooling fan is connected with the double-layer streamlined air duct. The high voltage explosion-proof variable frequency and variable speed three-phase asynchronous motor disclosed by the utility model has the advantages of good explosion-proof performance, compact structure of each part, skillful design of the cooling system, good heat radiation effect, large capacity, high efficiency, low noise, safety and reliability in operation and the like.

Description

High voltage flameproof frequency control threephase asynchronous
Technical field
The utility model relates to the threephase asynchronous field, especially relates to a kind of high voltage flameproof threephase asynchronous.
Background technology
Along with the continuous development of power electronics, the ac variable frequency speed regulation motor progressively rises to the main product of electrical speed regulation motor with multiple advantage such as its speed governing degree wide ranges, volume be little, easy to control.Along with the adjustment of national energy strategy and the enforcement of energy-saving and emission-reduction policy, high-pressure frequency-conversion motor market will enlarge rapidly.Being developed as of series of products of YBBP series high voltage explosion-proof frequency conversion speed governing threephase asynchronous (hereinafter to be referred as YBBP series motor) promotes the progress of China's high voltage flameproof frequency control threephase asynchronous that extremely important meaning is arranged.
Inside and outside wind path unreasonable structure of existing YBBP series motor influences radiating efficiency.
The utility model content
The purpose of the utility model is to provide a kind of high voltage flameproof frequency control threephase asynchronous, improves ventilation and heat efficient.
The technical scheme of the utility model is:
High voltage flameproof frequency control threephase asynchronous comprises motor body, is provided with inside and outside wind path of mutual isolation in the motor body, and wind path cooling blower in inner wind path, being provided with externally is provided with outer wind path cooling blower in the wind path; A side is provided with the linear ventilating duct of two layers flow in the said motor body, and outer wind path cooling blower is connected with the linear ventilating duct of two layers flow.
Be laid with air duct on the circumferencial direction of motor body, air duct is communicated with inner wind path.
Said air duct quantity is 4.
The air duct of said motor body upside side is provided with the terminal box bearing.
Also comprise stator, said stator comprises stator coil, and the stator coil end gap is 6mm.
Also comprise rotor, rotor comprises end ring and sliver, and the stator electricity is close, the electric close and end ring of rotor bar is electric connects airtight nearly 4:2:1.
Said rotor is a cast-aluminum rotor.
The motor body of the utility model adopts the linear ventilating duct of two layers flow, forms an independently inside and outside wind path, has improved the adaptive capacity of this motor to operating mode effectively, has satisfied motor ventilation and heat requirement when low frequency.
Be laid with 4 air ducts on the circumferencial direction of motor body, 4 air ducts be set strengthened motor internal ventilation circulation.The air duct of motor body side is provided with the terminal box bearing, and such setting can be satisfied the requirement of motor left and right sides outlet, and its good looking appearance is processed simply good manufacturability simultaneously.
The stator coil end gap is increased to 6mm by the 4mm of conventional design, has strengthened stator coil insulating capacity over the ground, improves the anticorona ability of stator.
Rotor adopts big end ring and big sliver, makes that the stator electricity is close, the electric close and end ring of rotor bar is electric connects airtight nearly 4:2:1, has increased the copper consumption of motor, has reduced the caloric value of motor, has strengthened the fail safe that motor is transported.
Rotor adopts cast-aluminum rotor, because the cast-aluminum rotor good integrity, steady quality, reliable, can adapt to frequent motor starting.Simultaneously, rotor adopts large-diameter, can effectively improve intensity, the rigidity of rotor, reduces motor oscillating.
The utility model not only explosion-proof performance is good, and each bilge construction is compact, and design of Cooling System is ingenious, good heat dissipation effect; Motor has characteristics such as capacity is big, efficient is high, noise is low, safe and reliable to operation.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the left view of Fig. 1.
Embodiment
As shown in Figure 1, the utility model comprises motor body 3, outer wind path cooling blower 1 draw.The type of cooling is IC416, adopts between inside and outside the wind path and isolates mutually.
Outer wind path cooling blower 1 is contained in the afterbody of motor, and interior wind path cooling blower 2 is positioned at the same side.Motor body 3 adopts the linear ventilating duct 10 of two layers flow, forms an independently inside and outside wind path, has improved the adaptive capacity of this motor to operating mode effectively, has satisfied motor ventilation and heat requirement when low frequency.Interior wind path cooling blower 2 is connected with the linear ventilating duct 10 of two layers flow.
Motor body 3 adopts high strength magnesium iron material, the inside and outside surface distributed vertical-horizontal fin of motor body 3, and the vertical-horizontal fin can improve electric machine structure intensity, and effect of vibration and noise reduction is remarkable.As shown in Figure 2, be laid with 4 air ducts 4 on motor body 3 circumferencial directions, 4 air ducts 4 are set have strengthened motor internal ventilation circulation.Air duct 4 is communicated with inner wind path.The air duct 4 of motor body 3 sides is provided with terminal box bearing 5, and such setting can be satisfied the requirement of motor left and right sides outlet, and its good looking appearance is processed simply good manufacturability simultaneously.
Stator 6 and rotor 7 are installed at the middle part of motor body 3, and stator 6 comprises stator core and stator coil, and anticorona processing has been taked in stator core; Stator coil adopts three grades of anti-corona measures, and the stator coil end gap is increased to 6mm by the 4mm of conventional design, has strengthened stator coil insulating capacity over the ground, improves the anticorona ability of stator.
Rotor 7 adopts greater trochanter slivers 8 and greater trochanter end ring 9, makes that the stator electricity is close, the electric close and end ring of rotor bar is electric connects airtight nearly 4:2:1, has increased the copper consumption of motor, has reduced the caloric value of motor, has strengthened the fail safe that motor is transported.
Rotor 7 adopts cast-aluminum rotor, because the cast-aluminum rotor good integrity, steady quality, reliable, can adapt to frequent motor starting.Simultaneously, rotor 7 adopts large-diameter, can effectively improve intensity, the rigidity of rotor 7, reduces motor oscillating.

Claims (7)

1. high voltage flameproof frequency control threephase asynchronous; Comprise motor body; It is characterized in that: be provided with inside and outside wind path of mutual isolation in the motor body, wind path cooling blower in inner wind path, being provided with externally is provided with outer wind path cooling blower in the wind path; A side is provided with the linear ventilating duct of two layers flow in the said motor body, and outer wind path cooling blower is connected with the linear ventilating duct of two layers flow.
2. high voltage flameproof frequency control threephase asynchronous according to claim 1 is characterized in that: be laid with air duct on the circumferencial direction of motor body, air duct is communicated with inner wind path.
3. high voltage flameproof frequency control threephase asynchronous according to claim 2 is characterized in that: said air duct quantity is 4.
4. high voltage flameproof frequency control threephase asynchronous according to claim 1 and 2 is characterized in that: the air duct of said motor body upside side is provided with the terminal box bearing.
5. high voltage flameproof frequency control threephase asynchronous according to claim 1 and 2 is characterized in that: also comprise stator, said stator comprises stator coil, and the stator coil end gap is 6mm.
6. high voltage flameproof frequency control threephase asynchronous according to claim 1 and 2 is characterized in that: comprise that also rotor, rotor comprise end ring and sliver, the stator electricity is close, the electric close and end ring of rotor bar is electric connects airtight nearly 4:2:1.
7. high voltage flameproof frequency control threephase asynchronous according to claim 6 is characterized in that: said rotor is a cast-aluminum rotor.
CN201120290156XU 2011-08-11 2011-08-11 High voltage explosion-proof variable frequency and variable speed three-phase asynchronous motor Expired - Fee Related CN202260928U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120290156XU CN202260928U (en) 2011-08-11 2011-08-11 High voltage explosion-proof variable frequency and variable speed three-phase asynchronous motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120290156XU CN202260928U (en) 2011-08-11 2011-08-11 High voltage explosion-proof variable frequency and variable speed three-phase asynchronous motor

Publications (1)

Publication Number Publication Date
CN202260928U true CN202260928U (en) 2012-05-30

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ID=46122111

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201120290156XU Expired - Fee Related CN202260928U (en) 2011-08-11 2011-08-11 High voltage explosion-proof variable frequency and variable speed three-phase asynchronous motor

Country Status (1)

Country Link
CN (1) CN202260928U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108880104A (en) * 2018-07-20 2018-11-23 中车唐山机车车辆有限公司 Magneto cooling system used for rail vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108880104A (en) * 2018-07-20 2018-11-23 中车唐山机车车辆有限公司 Magneto cooling system used for rail vehicle

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120530

Termination date: 20160811

CF01 Termination of patent right due to non-payment of annual fee