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 PDFInfo
- 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
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- high voltage
- wind path
- rotor
- frequency control
- threephase asynchronous
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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
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.
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.
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 |
Family
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 |
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CN (1) | CN202260928U (en) |
Cited By (1)
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 |
-
2011
- 2011-08-11 CN CN201120290156XU patent/CN202260928U/en not_active Expired - Fee Related
Cited By (1)
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 |