CN201813283U - High-voltage and efficient increased safety type three-phase asynchronous motor - Google Patents
High-voltage and efficient increased safety type three-phase asynchronous motor Download PDFInfo
- Publication number
- CN201813283U CN201813283U CN2010205458085U CN201020545808U CN201813283U CN 201813283 U CN201813283 U CN 201813283U CN 2010205458085 U CN2010205458085 U CN 2010205458085U CN 201020545808 U CN201020545808 U CN 201020545808U CN 201813283 U CN201813283 U CN 201813283U
- Authority
- CN
- China
- Prior art keywords
- casing
- rotor
- motor
- phase asynchronous
- asynchronous motor
- 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
Links
Images
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a high-voltage and efficient increased safety type three-phase asynchronous motor comprising a support. A motor casing is arranged on the support, a rotor and a stator are arranged in the motor casing, a guide bar and an end ring are arranged on the rotor, the left end of the rotating shaft of the rotor extends out of the motor casing, and a main junction box is arranged on the motor casing. The areas of the guide bar and the end ring which are arranged on the rotor are both 1.5-2 times larger than a preferred value in the manual of the motor, and the sectional area of the rotor is 20% larger than a preferred value in the manual of the motor. The end clearance of the coils of the stator is 6mm. The utility model provides a high-voltage and efficient increased safety type three-phase asynchronous motor capable of improving the coil insulation capability to the ground and the anticorona capability of the stator, effectively preventing corona and sparkles from occurring in the rotor, reducing motor vibration and enhancing motor running safety.
Description
Technical field
The utility model relates to the security-enhanced three-phase asynchronous motor of a kind of high efficient, high pressure.
Background technology
Fire-proof motor is a kind ofly can not produce electric spark or high temperature during operation at the employed a kind of motor of inflammable and explosive factory.Fire-proof motor is mainly used in colliery, petroleum gas, petrochemical industry and chemical industry.In addition, also be widely used in departments such as weaving, metallurgy, town gas, traffic, grain and oil processing, papermaking, medicine.Fire-proof motor is generally used for driving pump, blower fan, compressor and other gearings as main power-equipment.Existing security-enhanced three-phase asynchronous motor avoids electric arc, spark or high temperataure phenomena effect undesirable, and the noise height, and type of cooling efficient is low.
Summary of the invention
The purpose of this utility model provides a kind of coil anticorona ability of insulating capacity, stator over the ground that improves, prevent the generation of internal rotor corona and spark effectively, reduce motor oscillating, strengthen the security-enhanced three-phase asynchronous motor of high efficient, high pressure of the fail safe of motor operation.
For achieving the above object, the utility model adopts following technical scheme: the security-enhanced three-phase asynchronous motor of a kind of high efficient, high pressure, comprise bearing, bearing is provided with casing, is provided with rotor and stator in the casing, and rotor is provided with sliver, end ring, the rotor shaft left end stretches out outside the casing, casing is provided with the main electrical scheme box, and all greater than 1.5-2 times of motor handbook recommendation, the rotor sectional area is greater than 20% of motor handbook recommendation for the sliver that is provided with on the described rotor and the area of end ring; The stator coil end gap is 6mm.
The outer ring of every sliver all is enclosed with steel band.
The rotor shaft on stator right side is provided with internal fan, and the internal fan right side is provided with end cap, and the rotor shaft between end cap and the casing right-hand member cover is provided with external fan, the logical air duct that is provided with on the casing of internal fan left side.
Described internal fan is the ox horn fan, and external fan is axial flow external fan or benzvalene form external fan; Be provided with netted ventilating opening in the middle of the casing right-hand member cover, the right-hand member cover inner surface of ventilating opening border is provided with the noise reduction cotton.
Described casing is cylindric, and air duct is to be uniformly distributed along the circumference 4 that are provided with, and casing is connected with the main electrical scheme box by the terminal box bearing on the air duct that is positioned at the casing upper side.
Described main electrical scheme box is a welded-steel plate construction.
Described casing left end cap inboard is provided with the INCREASEDSAFETY heater.
The beneficial effects of the utility model are:
1. with under the constant power, rotor adopts big end ring and big sliver to design, and 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, the Te time of having improved motor, has strengthened the fail safe of motor operation.
Adopt steel band parcel rotor bar, improved the contact effect of rotor bar, prevented the generation of internal rotor corona and spark effectively, strengthened the fail safe that motor is transported with rotor core.
Rotor adopts the design of rigidity axle, has improved intensity, the rigidity of rotor, has effectively reduced motor oscillating.
Anticorona processing has been taked in stator core; Stator coil adopts three grades of anti-corona measures, and the end winding gap is increased to 6mm by the 4mm of conventional design, has strengthened coil insulating capacity over the ground, has improved the anticorona ability of stator, has satisfied the requirement of IEC60079-7 standard to the explosive test of INCREASEDSAFETY motor.
2. the utility model is on the basis of type of cooling IC411, adopt inside and outside wind path to isolate aeration structure, end cap is divided into two parts with the casing wind path, interior draft fan is the imitative high-effect fan of ox horn type low-loss, combine the formation wind path with air duct, can be convenient to stator and rotor are cooled, external fan is energy-saving axial flow of high efficiency low noise or benzvalene form external fan, can be convenient to casing is lowered the temperature.End shield is the steel plate welding, and band noise reduction cotton knot structure, and this design can guarantee to make serial electrical motors to the low noise level of high efficiency.
3. support high-strength ductile cast iron material, the inside and outside surface distributed vertical-horizontal of support fin improves electric machine structure intensity, and vibration and noise reducing is remarkable, and heat-sinking capability is strong; Support is provided with 4 air ducts, and circumference uniform distribution has been strengthened motor internal ventilation circulation.The terminal box bearing can satisfy the outlet of the motor left and right sides on the air duct of support side, good looking appearance, and processing is simple, good manufacturability.
4. connection box for motor adopts welded-steel plate construction, relatively and the advantage of cast iron terminal box be in light weight, volume is little, volume is big, barrier propterty is good and characteristics such as aesthetic in appearance.Terminal box has increased blast pressure release function, satisfies requirement of explosion proof simultaneously, has improved the fail safe of terminal box.
5. the INCREASEDSAFETY heater is retrofitted in the end cap inboard by winding stator core place, can makes heater stator winding far away, avoided the corona between stator winding and heater to produce the fail safe that has improved the INCREASEDSAFETY motor.
The security-enhanced three-phase asynchronous motor of high efficient, high pressure described in the utility model not only explosion-proof performance is good, and compact conformation, and design of Cooling System is ingenious, good heat dissipation effect; Motor and the advantage that capacity is big, efficient is high, noise is low, safe and reliable to operation is arranged.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the left view of Fig. 1.
Embodiment
By the security-enhanced three-phase asynchronous motor of a kind of high efficient, high pressure illustrated in figures 1 and 2, comprise bearing 11, bearing 11 is provided with casing 1, casing 1 inside and outside surface distributed is provided with fin 12, be provided with rotor 3 and stator 2 in the casing 1, rotor shaft 13 left ends stretch out outside the casing 1, rotor 3 is provided with sliver 17, end ring 18, the outer ring of every sliver 17 all is enclosed with steel band 16, all greater than 1.5-2 times of motor handbook recommendation, rotor 3 sectional areas are greater than 20% of motor handbook recommendation for the area of sliver 17 and end ring 18; Stator 2 end winding gaps are 6mm.The rotor shaft 13 on casing 1 internal stator 2 right sides is provided with internal fan 5, internal fan 5 right sides are provided with end cap 6, rotor shaft 13 between end cap 6 and the casing right-hand member cover 7 is provided with external fan 9, internal fan 5 left side casings 1 are provided with air duct 19, casing 1 is cylindric, air duct 19 is for being uniformly distributed along the circumference 4 that are provided with, described internal fan 5 is the ox horn fan of the high-effect fan of low-loss, combine formation wind path 4 with air duct 19, can be convenient to stator 2 and rotor 3 are cooled, external fan 9 is energy-saving axial flow external fan of high efficiency low noise or benzvalene form external fan, can be convenient to casing 1 cooling.Described casing left end cap 15 inboards are provided with INCREASEDSAFETY heater 14, are provided with netted ventilating opening 10 in the middle of the casing right-hand member cover 7, and the right-hand member cover inner surface of ventilating opening 10 borders is provided with noise reduction cotton 8.Casing 1 is provided with main electrical scheme box 21 by the terminal box bearing 20 on the air duct 19 that is positioned at casing 1 upper side, and described main electrical scheme box 21 is a welded-steel plate construction, and main electrical scheme box 21 is provided with pressure relief device 22.
The security-enhanced three-phase asynchronous motor of high efficient, high pressure described in the utility model not only explosion-proof performance is good, and compact conformation, and design of Cooling System is ingenious, good heat dissipation effect; Motor and the advantage that capacity is big, efficient is high, noise is low, safe and reliable to operation is arranged.
Claims (7)
1. security-enhanced three-phase asynchronous motor of high efficient, high pressure, comprise bearing, bearing is provided with casing, be provided with rotor and stator in the casing, rotor is provided with sliver, end ring, and the rotor shaft left end stretches out outside the casing, and casing is provided with the main electrical scheme box, it is characterized in that: all greater than 1.5-2 times of motor handbook recommendation, the rotor sectional area is greater than 20% of motor handbook recommendation for the sliver that is provided with on the described rotor and the area of end ring; The stator coil end gap is 6mm.
2. the security-enhanced three-phase asynchronous motor of high efficient, high pressure as claimed in claim 1, it is characterized in that: the outer ring of every sliver all is enclosed with steel band.
3. the security-enhanced three-phase asynchronous motor of high efficient, high pressure as claimed in claim 1 or 2, it is characterized in that: the rotor shaft on stator right side is provided with internal fan, the internal fan right side is provided with end cap, rotor shaft between end cap and the casing right-hand member cover is provided with external fan, the logical air duct that is provided with on the casing of internal fan left side.
4. the security-enhanced three-phase asynchronous motor of high efficient, high pressure as claimed in claim 3 is characterized in that: described internal fan is the ox horn fan, and external fan is axial flow external fan or benzvalene form external fan; Be provided with netted ventilating opening in the middle of the casing right-hand member cover, the right-hand member cover inner surface of ventilating opening border is provided with the noise reduction cotton.
5. the security-enhanced three-phase asynchronous motor of high efficient, high pressure as claimed in claim 4, it is characterized in that: described casing is cylindric, air duct is to be uniformly distributed along the circumference 4 that are provided with, and casing is connected with the main electrical scheme box by the terminal box bearing on the air duct that is positioned at the casing upper side.
6. the security-enhanced three-phase asynchronous motor of high efficient, high pressure as claimed in claim 5 is characterized in that: described main electrical scheme box is a welded-steel plate construction.
7. the security-enhanced three-phase asynchronous motor of high efficient, high pressure as claimed in claim 6 is characterized in that: described casing left end cap inboard is provided with the INCREASEDSAFETY heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205458085U CN201813283U (en) | 2010-09-28 | 2010-09-28 | High-voltage and efficient increased safety type three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205458085U CN201813283U (en) | 2010-09-28 | 2010-09-28 | High-voltage and efficient increased safety type three-phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201813283U true CN201813283U (en) | 2011-04-27 |
Family
ID=43896220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205458085U Expired - Fee Related CN201813283U (en) | 2010-09-28 | 2010-09-28 | High-voltage and efficient increased safety type three-phase asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201813283U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023191A (en) * | 2011-09-28 | 2013-04-03 | 永济新时速电机电器有限责任公司 | Flame-proof type natural cooling asynchronous motor |
| CN104836380A (en) * | 2015-05-27 | 2015-08-12 | 巢惠英 | Alternating current induction motor |
| CN105375672A (en) * | 2014-08-29 | 2016-03-02 | 东芝三菱电机产业系统株式会社 | Vertical rotation motor and vibration preventing method |
| CN105429345A (en) * | 2015-12-14 | 2016-03-23 | 重庆市科诚电机制造有限公司 | Explosion-proof electric motor |
| CN110752701A (en) * | 2019-10-29 | 2020-02-04 | 常州机电职业技术学院 | Low-noise aluminum shell motor with sound absorption cover |
-
2010
- 2010-09-28 CN CN2010205458085U patent/CN201813283U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023191A (en) * | 2011-09-28 | 2013-04-03 | 永济新时速电机电器有限责任公司 | Flame-proof type natural cooling asynchronous motor |
| CN105375672A (en) * | 2014-08-29 | 2016-03-02 | 东芝三菱电机产业系统株式会社 | Vertical rotation motor and vibration preventing method |
| CN105375672B (en) * | 2014-08-29 | 2018-03-30 | 东芝三菱电机产业系统株式会社 | Vertical rotating motor and vibration prevention method |
| CN104836380A (en) * | 2015-05-27 | 2015-08-12 | 巢惠英 | Alternating current induction motor |
| CN105429345A (en) * | 2015-12-14 | 2016-03-23 | 重庆市科诚电机制造有限公司 | Explosion-proof electric motor |
| CN110752701A (en) * | 2019-10-29 | 2020-02-04 | 常州机电职业技术学院 | Low-noise aluminum shell motor with sound absorption cover |
| CN110752701B (en) * | 2019-10-29 | 2020-10-27 | 常州机电职业技术学院 | Low-noise aluminum shell motor with sound absorption cover |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201813283U (en) | High-voltage and efficient increased safety type three-phase asynchronous motor | |
| CN103269138A (en) | Multi-inner cavity U-shaped cooling system of motor | |
| CN101958620A (en) | High-voltage explosion-proof type three-phase asynchronous motor | |
| CN101764485A (en) | medium-sized high-voltage three-phase asynchronous motor | |
| CN204465284U (en) | A kind of Flame-Proof Three-Phase Induction Motors | |
| CN105006904A (en) | High efficiency compact type high voltage explosion-proof motor | |
| CN203416114U (en) | Motor used for oil pump | |
| CN201918830U (en) | Variable-frequency motor with rear-end wire outlet structure for high-power locomotive | |
| CN209233627U (en) | Level Four flame proof threephase asynchronous | |
| CN107659040A (en) | A kind of absolutely empty cooling vertical machine of high capacity highly effective | |
| CN207652169U (en) | A kind of high-power frequency conversion speed-regulating asynchronous motor of strong applicability | |
| CN201341050Y (en) | Oil seal structure of unidirectional rotary high-speed motor sliding bearing | |
| CN102386735A (en) | Compact-type high-power top drive variable frequency speed control asynchronous motor | |
| CN106533027A (en) | Four-pole high-power air-to-air-cooling positive pressure type explosion-proof motor | |
| CN102251975B (en) | Axial flow fan of explosion-proof-type external rotor motor | |
| CN206302244U (en) | A kind of absolutely empty cold positive voltage type anti-explosion motor of 4 significant powers | |
| CN209516802U (en) | Radiating motor | |
| CN207475357U (en) | Hub for electric vehicle motor | |
| CN203368232U (en) | Locomotive traction cooling fan motor | |
| CN202260679U (en) | Motor for high-protection axial flow fan and high-protection axial flow fan with motor | |
| CN201839176U (en) | High-voltage flame-proof type three-phase asynchronous motor | |
| CN201365159Y (en) | High-voltage flameproof variable-frequency speed-regulating threephase asynchronous motor | |
| CN205453441U (en) | YBF800~900 8~12P series motor for large fan | |
| CN201584871U (en) | Explosion-proof type three-phase asynchronous motor used for scraper conveyor | |
| CN107017730A (en) | The wide many inlet wire explosion-proof frequency conversion speed-regulating three-phase asynchronous motors of pressure of wideband |
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: 20110427 Termination date: 20160928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |