CN201365159Y - High-voltage flameproof variable-frequency speed-regulating threephase asynchronous motor - Google Patents
High-voltage flameproof variable-frequency speed-regulating threephase asynchronous motor Download PDFInfo
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- CN201365159Y CN201365159Y CNU2009201140494U CN200920114049U CN201365159Y CN 201365159 Y CN201365159 Y CN 201365159Y CN U2009201140494 U CNU2009201140494 U CN U2009201140494U CN 200920114049 U CN200920114049 U CN 200920114049U CN 201365159 Y CN201365159 Y CN 201365159Y
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- flameproof
- motor
- threephase asynchronous
- controller
- high voltage
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Abstract
The utility model discloses a high-voltage flameproof variable-frequency speed-regualting three-phase asynchronous motor, which comprises a flameproof shell, a stator arranged at the inner edge of the flameproof shell, flameproof end plates arranged at two ends of the flameproof shell, as well as a rotating shaft with a rotor at the outer edge and a controller which are arranged in a cavity surrounded by the flameproof shell and the flameproof end plates. The controller consists of a photoelectric encoder and a variable-frequency controller receiving the signals of the photoelectric encoder; and the outside of the flameproof end plates is fixed with a flameproof ventilator. On the basis of a high-voltage motor, the three-phase asynchronous motor adds the flameproof structure and carries out material and structure adjustment and electromagnetic optimization design according to the requirements of a variable-frequency speed-regulating motor, thus having low energy consumption, safety and reliability; and an independent explosion-proof fan cooling system is assembled with the motor, thus ensuring that the motor has good heat dissipation capability when running with various frequencies.
Description
Technical field
The utility model belongs to technical field of motors, is specifically related to a kind of high voltage flameproof frequency control threephase asynchronous that high-voltage motor, explosion-proof motor are organically blent.
Background technology
Flameproof motor can be widely used in having the environment that explosion hazard gas or steam and air form the explosion hazard mixture, is used for industries such as oil, chemical industry, coal as driving device equipment.The main purpose of blower fan, load of the pumps induction motor drive is energy-saving and cost-reducing when satisfying load request.Deficiencies such as the pole changing in the present mode of speed regulation, fluid coupling speed governing, tandem control etc. exist all that adjusting speed accuracy is poor, speed adjustable range is less, maintenance workload is big, energy-saving and cost-reducing effect is not remarkable, frequency control has then overcome the deficiency of above-mentioned mode of speed regulation, be one of present classic mode of speed regulation of generally acknowledging, its energy-saving and cost-reducing can reaching more than 30%.Though high-tension motor is less relatively than low-tension motor quantity, the installed capacity of high-tension motor accounts for nearly 40% of national total installation of generating capacity.High voltage flameproof motor on the domestic market can not satisfy the needs that variable-frequency speed-adjusting energy-saving lowers consumption at present; And the high-voltage frequency conversion and speed-adjusting motor can not be used for dangerous place with a potential explosion.
Summary of the invention
The utility model provides a kind of can be used for the high voltage flameproof frequency control threephase asynchronous that the explosion risk occasion satisfies variable-frequency speed-adjusting energy-saving consumption reduction needs again.
High voltage flameproof frequency control threephase asynchronous of the present utility model, comprise flameproof enclosure, be arranged on the stator of flameproof enclosure inner edge, be arranged on the flame proof end plate at flameproof enclosure two ends, be provided with the rotating shaft and the controller of outer marginal zone rotor in the cavity that surrounds by flameproof enclosure and flame proof end plate.Described controller is made up of the frequency-variable controller of photoelectric encoder and reception photoelectric encoder signal, is fixed with the flame-proof type ventilation blower in the flame proof end plate outside.
Described flame-proof type ventilation blower periphery is provided with the flame proof dividing plate.
Described photoelectric encoder is arranged on the stator, is used to measure the position relation between stator and the rotor, and measurement result is sent to frequency-variable controller.
Be provided with semiconducting glass fabric swatch liner between coil on the described stator and coil, coil and the bottom land.
The frequency conversion scope of described controller is 5-120Hz; Being permanent torque during 5-50Hz, is permanent power during 50-120Hz.
The rated voltage of described controller is 6KV-10KV.
The utility model has the advantages that:
The technical solution of the utility model is on the basis of high-voltage motor, increases explosion separation structure, and carries out material, structural adjustment and electromagnetism optimal design according to the requirement of frequency control motor, and energy consumption is low, and is safe and reliable.Be the equipped independently explosion-proof fan cooling system of motor, guarantee that motor moves good heat-sinking capability is all arranged under various frequencies.
Description of drawings
Fig. 1 is the front view of flame-proof type threephase asynchronous of the present utility model;
Fig. 2 is the left view of flame-proof type threephase asynchronous of the present utility model.
Embodiment
High voltage flameproof frequency control threephase asynchronous as shown in Figure 1, 2, comprise flameproof enclosure 6, be arranged on the stator 3 of flameproof enclosure 6 inner edges, be arranged on flame proof end plate 2a, the 2b at flameproof enclosure 6 two ends, be provided with the rotating shaft 1 and the controller of outer marginal zone rotor 4 in the cavity that surrounds by flameproof enclosure 6, flame proof end plate 2a and flame proof end plate 2b.Controller is made up of the frequency-variable controller of photoelectric encoder and reception photoelectric encoder signal.
Be fixed with independently explosion-proof fan cooling system in the flame proof end plate 2b outside, the axis of the flame-proof type ventilation blower 5 of explosion-proof cooling system according to circumstances and the axis of rotating shaft 1 are on same straight line.Outside flame-proof type ventilation blower 5, be provided with flame proof dividing plate 7.
Also be provided with terminal box 8 on explosion-resistant enclosure 6, each seam crossing connects by explosion-proof composition surface.
Photoelectric encoder is arranged on the stator 3, is used to measure the position relation between stator 3 and the rotor 4, and measurement result is sent to frequency-variable controller.
Be provided with semiconducting glass fabric swatch liner between coil on the stator 3 and coil, coil and the bottom land.
In order to increase electrical machinery intensity, adopt above foundry goods of HT250 or steel-casting or steel plateelement structural material as parts such as support, explosion-proof end plate 2a, explosion-proof end plate 2b, terminal boxes 8.Adopt the H class F insulating material F, twice above VPI vacuum pressure impregnation technology improves motor thermal endurance class and dielectric voltage withstand ability.Adopt the high resistance and low resistance semiconductor tape to carry out end portion treatment in the formed coil manufacturing process, adopt semiconducting glass fabric swatch liner, improve anti-corona ability at coil and coil, coil and bottom land.Cold-reduced silicon sheet 50W470 or the 50W350 of adopting unshakable in one's determination reduces iron loss, improves the magnetic conduction ability.Notch adopts the pulling magnetic slot-seal, reduces supplementary load loss.Optimize Electromagnetic Design, reduce magnetic flux density and conductor current density, thereby improve motor reliability of operation under the non-sine variable frequency power supply.Select big play C3 class high-quality bearing for use.Adopt independently explosion-proof fan cooling system, guarantee the good heat-sinking capability that motor moves under various frequencies.
Motor adopts the flame-proof type structure, and the flame proof pattern is Ex dI, Ex d II.The frequency conversion scope 5～120Hz of transform controller is permanent power when being permanent torque, 50～120Hz during 5～50Hz; Described motor is a high-voltage motor, rated voltage 6KV, 10KV; Described flame-proof type ventilation blower 5, flame proof pattern are Ex dI, Ex d II.
Claims (6)
1, a kind of high voltage flameproof frequency control threephase asynchronous, comprise flameproof enclosure (6), be arranged on the stator (3) of flameproof enclosure (6) inner edge, be arranged on the flame proof end plate (2) at flameproof enclosure (6) two ends, be provided with the rotating shaft (1) and the controller of outer marginal zone rotor (4) in the cavity that surrounds by flameproof enclosure (6) and flame proof end plate (2), it is characterized in that: described controller is made up of the frequency-variable controller of photoelectric encoder and reception photoelectric encoder signal, is fixed with flame-proof type ventilation blower (5) in flame proof end plate (2) outside.
2, high voltage flameproof frequency control threephase asynchronous according to claim 1 is characterized in that: described flame-proof type ventilation blower (5) periphery is provided with flame proof dividing plate (7).
3, high voltage flameproof frequency control threephase asynchronous according to claim 1, it is characterized in that: described photoelectric encoder is arranged on the stator (3).
4, high voltage flameproof frequency control threephase asynchronous according to claim 1 is characterized in that: be provided with semiconducting glass fabric swatch liner between the coil on the described stator (3) and coil, coil and the bottom land.
5, high voltage flameproof frequency control threephase asynchronous according to claim 1, it is characterized in that: the frequency conversion scope of described controller is 5-120Hz; Being permanent torque during 5-50Hz, is permanent power during 50-120Hz.
6, high voltage flameproof frequency control threephase asynchronous according to claim 1, it is characterized in that: the rated voltage of described controller is 6KV-10KV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201140494U CN201365159Y (en) | 2009-02-19 | 2009-02-19 | High-voltage flameproof variable-frequency speed-regulating threephase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201140494U CN201365159Y (en) | 2009-02-19 | 2009-02-19 | High-voltage flameproof variable-frequency speed-regulating threephase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201365159Y true CN201365159Y (en) | 2009-12-16 |
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ID=41475828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201140494U Expired - Fee Related CN201365159Y (en) | 2009-02-19 | 2009-02-19 | High-voltage flameproof variable-frequency speed-regulating threephase asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201365159Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951094A (en) * | 2010-08-17 | 2011-01-19 | 启东大同电机有限公司 | Special variable frequency speed regulation three-phase asynchronous motor suitable for variable frequency speed regulation construction lifter |
| CN102594065A (en) * | 2012-02-16 | 2012-07-18 | 山西防爆电机（集团）有限公司 | High-power explosion-proof three-phase asynchronous motor for coal mining machine |
| CN109787422A (en) * | 2018-12-31 | 2019-05-21 | 西安泰富西玛电机有限公司 | A kind of low noise explosion-proof frequency conversion speed-regulating three-phase asynchronous motor |
-
2009
- 2009-02-19 CN CNU2009201140494U patent/CN201365159Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951094A (en) * | 2010-08-17 | 2011-01-19 | 启东大同电机有限公司 | Special variable frequency speed regulation three-phase asynchronous motor suitable for variable frequency speed regulation construction lifter |
| CN102594065A (en) * | 2012-02-16 | 2012-07-18 | 山西防爆电机（集团）有限公司 | High-power explosion-proof three-phase asynchronous motor for coal mining machine |
| CN102594065B (en) * | 2012-02-16 | 2015-04-29 | 西门子大型特种电机（山西）有限公司 | High-power explosion-proof three-phase asynchronous motor for coal mining machine |
| CN109787422A (en) * | 2018-12-31 | 2019-05-21 | 西安泰富西玛电机有限公司 | A kind of low noise explosion-proof frequency conversion speed-regulating three-phase asynchronous motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG CHUANGXIN ELECTRICAL MOTOR CO., LTD. Free format text: FORMER OWNER: SHEN JIANSHENG Effective date: 20100526 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 312300 CHUANGXIN ELECTRICAL MOTOR CO.,LTD OF SHANGYU, LIANGHU INDUSTRIAL PARK, SHANGYU CITY, ZHEJIANG PROVINCE TO: 312300 NO.008, YUSHUIHE ROAD, LIANGHU INDUSTRY DISTRICT, SHANGYU CITY, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100526 Address after: Jade River Road 312300 Zhejiang city of Shangyu Province Liang Lake Industrial Zone No. 008 Patentee after: Chuangxin Electrical Motor Co., Ltd. Shangyu of Zhejiang Address before: 312300 Shangyu City, Zhejiang Province Liang Lake Industrial Park Shangyu Chuangxin Motor Co., Ltd. Patentee before: Shen Jiansheng |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091216 Termination date: 20140219 |