CN201038965Y - Explosion prevention lanthanon permanent magnetic motor - Google Patents
Explosion prevention lanthanon permanent magnetic motor Download PDFInfo
- Publication number
- CN201038965Y CN201038965Y CNU2007201432760U CN200720143276U CN201038965Y CN 201038965 Y CN201038965 Y CN 201038965Y CN U2007201432760 U CNU2007201432760 U CN U2007201432760U CN 200720143276 U CN200720143276 U CN 200720143276U CN 201038965 Y CN201038965 Y CN 201038965Y
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- explosion
- earth permanent
- proof
- magnetic material
- synchronous motor
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Abstract
The utility model discloses an explosion-proof rare earth permanent magnet synchronous motor, including an explosion-proof machine base, explosion-proof end covers, a rotor and a stator. The stator consists of a silicon steel sheet which is in a folding way punched with a slot tooth and is sleeved in the explosion-proof machine base and a coil which is wound in the slot. The explosion-proof end covers are arranged at the both ends of the explosion-proof machine base, the rotor is provided with tangential type magnetic circuit structure or radial type magnetic circuit structure, and a rotating shaft of the rotor penetrates the explosion-proof end covers to extend outward. The utility model has the advantages of big starting torque, high power factor and high operating efficiency, at the same time, the utility model has high explosion-proof function and is applicable to a high gas mine for use.
Description
Technical field
The utility model relates to a kind of motor, exactly is a kind of explosion-proof type synchronous motor that uses rare earth permanent-magnetic material to make.
Background technology
The fire-proof motor of coal mine ground and down-hole use has at present mainly contained two kinds: a kind of is DC motor, another kind is an asynchronous motor, compare with alternating current motor, DC motor has advantages such as operational efficiency height and good speed adjustment features, but traditional DC motor all adopts brush-commutator structure, mechanically commutate, there is noise inevitably, weakness such as spark and life-span are short, and manufacturing cost height, maintenance difficult, limited its scope of application greatly, and the explosion-proof type asynchronous motor, though have simple in structure, reliable operation, life-span is long, cost is low, advantages such as maintenance is convenient, but it is poor also to exist speed adjusting performance simultaneously, detent torque is little, overload capacity, shortcomings such as efficient and power factor are low are often because load is excessive, start difficulty and burn out.
The utility model content
At the deficiency that prior art exists, the purpose of this utility model is to provide the explosion-proof type that a kind of staring torque is big, power factor (PF) is high, operational efficiency is high and simple in structure rare-earth permanent-magnet synchronous motor.This motor has very high explosion prevention function, and the mine that is adapted at high gas uses down.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of explosion-proof type rare-earth permanent-magnet synchronous motor, comprise fireproof frame, explosion-proof end cap, rotor and stator, described stator is made up of the silicon steel sheet and the coil in groove of groove tooth by being enclosed within folded the dashing of one in the fireproof frame, explosion-proof end cap is installed in the two ends of fireproof frame, and the rotating shaft of rotor is passed explosion-proof end cap and stretched out.
Described rotor has the tangential magnetic structure, form by rotating shaft and the non magnetic lining, the pole shoe that are enclosed within the rotating shaft, on the radial direction of pole shoe, equidistant several axial grooves that has, be embedded in some block rare earth permanent-magnetic materials that are cut at groove, at the circumference top of pole shoe, equidistant copper bar that studs with, all copper bars of the same side are connected.
The described rare earth permanent-magnetic material that is embedded in the pole shoe groove scribbles insulating varnish by several or forms through the rectangle permanent magnets of electroplating processes.
Described permanent magnets is located with slot wedge in the pole shoe groove.
Described copper bar is set in the groove the same with permanent magnets number of poles quantity that pole shoe evenly offers vertically.
Described rotor has the radial magnetic structure, form by rotating shaft and the magnetic material lining that is enclosed within the rotating shaft, circumferencial direction at the magnetic material lining, placing the rare earth permanent-magnetic material that is cut into watt shape equably, between the rare earth permanent-magnetic material of watt shape, the magnetic isolation plate that placement is made by nonmagnetic substance is in watt shape rare earth permanent-magnetic material and magnetic isolation plate outside, with the colligation of no latitude glass tape.
The described rare earth permanent-magnetic material that is placed on the magnetic material lining scribbles insulating varnish by several or forms through watt shape permanent magnets of electroplating processes.
Do not need idle exciting current on the rotor of the utility model explosion-proof type rare-earth permanent-magnet synchronous motor, can significantly improve power factor, reduce stator current and stator resistance loss, and there is not the rotor resistance loss during stable operation, its explosion-resistant enclosure uses steel plate to be welded, be applicable under the highly gassy mine condition and use, it is the necessaries that current colliery is energy-conservation and increase work efficiency, compare with electric excitation synchronous motor, the explosion-proof type permanent magnet synchronous motor has saved the excitation part, improved efficient, simplify the structure, realized non-brushing, it is big to have staring torque, the power factor height, beneficial effects such as operational efficiency height
Description of drawings
Fig. 1 is the structural representation of the utility model explosion-proof type rare-earth permanent-magnet synchronous motor;
Fig. 2 is the schematic diagram of tangential rotor magnetic circuit structural;
Fig. 3 is the schematic diagram of radial rotor magnetic circuit structural.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Reference numeral is as follows:
The explosion-proof end cap of 1---fireproof frame 2---
3---rotor 4---stator
The non magnetic lining of 5---rotating shafts 6---
7---pole shoe 8---rectangle permanent magnets
9---copper bar 10---magnetic material lining
11---watt shape permanent magnets 12---magnetic isolation plate
13---no latitude glass tape 14---slot wedge
Embodiment 1
As Fig. 1, shown in Figure 2, this explosion-proof type rare-earth permanent-magnet synchronous motor is mainly by fireproof frame 1, explosion-proof end cap 2, rotor 3 and stator 4 are formed, stator 4 is made up of the silicon steel sheet and the coil in groove of groove tooth by being enclosed within folded the dashing of one in the fireproof frame, explosion-proof end cap 2 is installed in the two ends of fireproof frame 1, the rotating shaft 5 of rotor 3 is passed explosion-proof end cap and is stretched out, rotor 3 has the tangential magnetic structure, by rotating shaft 5 and the non magnetic lining 6 that is enclosed within the rotating shaft, pole shoe 7 is formed, on the radial direction of pole shoe 7, equidistant several axial grooves that has, be embedded in the rectangle permanent magnets 8 that scribbles insulating varnish or process electroplating processes at groove, spread insulating material on the permanent magnets surface, it is the loss that produces because of eddy current in order to reduce, permanent magnets is located with slot wedge 14 in the pole shoe groove, at the circumference top of pole shoe 7, and equidistant offering and the same groove of permanent magnets number of poles quantity, stud with copper bar 9 in the groove, all copper bars of the same side are connected.
Embodiment 2
As Fig. 1, shown in Figure 2, this explosion-proof type rare-earth permanent-magnet synchronous motor is mainly by fireproof frame 1, explosion-proof end cap 2, rotor 3 and stator 4 are formed, stator 4 is made up of the silicon steel sheet and the coil in groove of groove tooth by being enclosed within folded the dashing of one in the fireproof frame, explosion-proof end cap 2 is installed in the two ends of fireproof frame 1, the rotating shaft 5 of rotor 3 is passed explosion-proof end cap and is stretched out, rotor 3 has the radial magnetic structure, form by rotating shaft 5 and the magnetic material lining 10 that is enclosed within the rotating shaft, circumferencial direction at the magnetic material lining, placing watt shape permanent magnets 11 that scribbles insulating varnish or process electroplating processes equably, between watt shape permanent magnets, the magnetic isolation plate 12 that placement is made by nonmagnetic substance is in watt shape permanent magnets and magnetic isolation plate outside, firm with no latitude glass tape 13 colligations, can protect permanent magnet surfaces, simplify the structure again and technology.Certainly, this embodiment also can adopt the permanent magnets of an integral body and magnetic isolation plate is not set.
The utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present invention; though but on its shape or structure, do any variation, every identical with the utility model or akin technical scheme is all within its protection range.
Claims (7)
1. explosion-proof type rare-earth permanent-magnet synchronous motor, it is characterized in that, comprise fireproof frame, explosion-proof end cap, rotor and stator, described stator is made up of the silicon steel sheet and the coil in groove of groove tooth by being enclosed within folded the dashing of one in the fireproof frame, explosion-proof end cap is installed in the two ends of fireproof frame, and the rotating shaft of rotor is passed explosion-proof end cap and stretched out.
2. explosion-proof type rare-earth permanent-magnet synchronous motor according to claim 1, it is characterized in that, described rotor has the tangential magnetic structure, form by rotating shaft and the non magnetic lining, the pole shoe that are enclosed within the rotating shaft, on the radial direction of pole shoe, equidistant several axial grooves that has, be embedded in some block rare earth permanent-magnetic materials that are cut at groove, at the circumference top of pole shoe, equidistant copper bar that studs with, all copper bars of the same side are connected.
3. explosion-proof type rare-earth permanent-magnet synchronous motor according to claim 2 is characterized in that, the described rare earth permanent-magnetic material that is embedded in the pole shoe groove scribbles insulating varnish by several or forms through the rectangle permanent magnets of electroplating processes.
4. explosion-proof type rare-earth permanent-magnet synchronous motor according to claim 3 is characterized in that described permanent magnets is located with slot wedge in the pole shoe groove.
5. explosion-proof type rare-earth permanent-magnet synchronous motor according to claim 2 is characterized in that, described copper bar is set in the groove the same with permanent magnets number of poles quantity that pole shoe evenly offers vertically.
6. explosion-proof type rare-earth permanent-magnet synchronous motor according to claim 1, it is characterized in that, described rotor has the radial magnetic structure, form by rotating shaft and the magnetic material lining that is enclosed within the rotating shaft,, placing the rare earth permanent-magnetic material that is cut into watt shape equably at the circumferencial direction of magnetic material lining, between the rare earth permanent-magnetic material of watt shape, the magnetic isolation plate that placement is made by nonmagnetic substance is in watt shape rare earth permanent-magnetic material and magnetic isolation plate outside, with the colligation of no latitude glass tape.
7. explosion-proof type rare-earth permanent-magnet synchronous motor according to claim 6 is characterized in that, the described rare earth permanent-magnetic material that is placed on the magnetic material lining scribbles insulating varnish by several or forms through watt shape permanent magnets of electroplating processes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201432760U CN201038965Y (en) | 2007-05-11 | 2007-05-11 | Explosion prevention lanthanon permanent magnetic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201432760U CN201038965Y (en) | 2007-05-11 | 2007-05-11 | Explosion prevention lanthanon permanent magnetic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201038965Y true CN201038965Y (en) | 2008-03-19 |
Family
ID=39211490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201432760U Expired - Lifetime CN201038965Y (en) | 2007-05-11 | 2007-05-11 | Explosion prevention lanthanon permanent magnetic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201038965Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101997360A (en) * | 2010-09-23 | 2011-03-30 | 山西华鑫电气有限公司 | Explosion-proof half-direct driven permanent magnet motor |
| CN102044943A (en) * | 2011-01-14 | 2011-05-04 | 广州三业科技有限公司 | Flameproof anti-explosion generator |
| CN106972734A (en) * | 2017-05-25 | 2017-07-21 | 华北电力大学 | A kind of superconducting motor of use track type superconductive pellet stacked coils |
-
2007
- 2007-05-11 CN CNU2007201432760U patent/CN201038965Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101997360A (en) * | 2010-09-23 | 2011-03-30 | 山西华鑫电气有限公司 | Explosion-proof half-direct driven permanent magnet motor |
| CN102044943A (en) * | 2011-01-14 | 2011-05-04 | 广州三业科技有限公司 | Flameproof anti-explosion generator |
| CN106972734A (en) * | 2017-05-25 | 2017-07-21 | 华北电力大学 | A kind of superconducting motor of use track type superconductive pellet stacked coils |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANXIHUAXIN ELECTRIC APPLICANCE CO., LTD. Free format text: FORMER NAME: SHANXI HUAXIN TRANSFORMER CO.,LTD. |
|
| CP03 | Change of name, title or address |
Address after: Coal road, mining area, Shanxi, Yangquan Province, China: 045008 Patentee after: Shanxi Huaxin Electric Appliance Co., Ltd. Address before: Coal road, Yangquan, Shanxi Province, China: 045008 Patentee before: Shanxi Huaxin Transformer Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080319 |