CN204906040U - Built -in motor of magnet steel - Google Patents
Built -in motor of magnet steel Download PDFInfo
- Publication number
- CN204906040U CN204906040U CN201520632576.XU CN201520632576U CN204906040U CN 204906040 U CN204906040 U CN 204906040U CN 201520632576 U CN201520632576 U CN 201520632576U CN 204906040 U CN204906040 U CN 204906040U
- Authority
- CN
- China
- Prior art keywords
- square hole
- hole
- magnet steel
- motor
- built
- 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.)
- Active
Links
Abstract
The utility model discloses a built -in motor of magnet steel, solved and also in the middle of high -speed operation process the location of magnet steel not good, the easy emergence is rocked, leads to the noise great. Its technical scheme main points fold to be pressed by the circular shape rotor punching to form, and rotor core has a round hole in hollow, evenly are provided with a plurality ofly to the square hole along interior round hole, all are provided with the magnetic bridge in the both sides of square hole, and through -hole that the magnetic bridge was described for triangle -shaped and the middle position that starts from the both sides of square hole shrink in the opposite side of square hole for interior round hole. Reached the setting through the through -hole at the triangle -shaped form, position of rest is at the middle position of square hole both sides, is difficult to wearing and tearing towards the piece mould in the middle of having reached the stamping process to making the location of magnet steel in the square hole more firm, having increased scarce bank of cells, back in the square hole is arranged in to the magnet steel has increased and has hidden the volume of glue, has further fixed the location of magnet steel, has avoided also that the motor is high -speed to rotate the centrifugal force that the in -process produced and make the magnet steel rock the noise of production.
Description
Technical field
The utility model relates to machine field, and in particular, it relates to a kind of magnetic steel built-in type motor.
Background technology
Along with the development in market, in the middle of machine field, brushless electric machine occupies the larger market share, its main cause is exactly that brushless electric machine has energy-conservation, stepless time adjustment, and the function of rotating can be realized, and brush motor creates spark in the running also can have interference effect to electromagnetic component, at some machine field, just higher requirement is proposed to the rotating speed of brushless electric machine, but the high rotating speed of brushless electric machine is faced with again other problem while realizing, in motor, magnet steel is as a part for magnetic circuit, variable frequency power supply is supplied to coil by controller, produce magnetic field drive motor running, magnet steel in such as current existing brushless electric machine is generally external, be attached to the outside of rotor core, easily throw away when rotating speed is high and leave rotor, cause the fault of motor.
Application number be 201210249524.5 application discloses a kind of magnetic steel built-in type brushless DC motor, the present invention relates to a kind of magnetic steel built-in type brushless DC motor, comprise the stators and rotators be connected, described rotor comprises bearing, rotating shaft, rotor core and magnet steel, described bearing is connected with rotating shaft, rotor core inside is located at by described rotating shaft bag, described rotor core is evenly provided with natural number cross-notching, described magnet steel is located in this fluting, reduces magnetic resistance by being provided with magnetic bridge.But also existing in the design of the magnetic bridge of this DC motor is unreasonable, not only in the middle of punching course, the mould of stamping rotor punching easily weares and teares, and cause the shape of punching to be out of shape, and the location of magnet steel is bad in the middle of the process of running up, easily shake, cause noise larger.
Utility model content
According to the deficiencies in the prior art, the utility model provides a kind of magnetic steel built-in type motor that built-in magnet steel positioning stablity and being less likely to occur in the middle of the process of running up rocks.
For achieving the above object, the utility model provides following technical scheme: a kind of magnetic steel built-in type motor, comprise rotor electric machine shell and stator, described rotor core is overrided to form by the rotor punching of circle, described rotor core has the interior circular hole of hollow, evenly be provided with some to square hole along interior circular hole, magnetic bridge is provided with in the both sides of described square hole, described magnetic bridge is the through hole of triangle and starts from the middle position of the both sides of square hole, shrink and also comprise relative to the opposite side of interior circular hole the magnet steel be built in square hole in square hole, the bonnet of described motor housing is provided with louvre.
Further, described square hole is provided with short slot group near the side of interior circular hole.
Further, described short slot group comprises and is positioned at the square short slot in centre position, square hole side and the milling cutter groove at two ends.
Further, described motor housing is provided with motor protective ring.
Further, the rotating speed of described motor is 25000r/min.
Further, the number of poles of this rotor is 4 poles, and the groove number of stator is 6 grooves.
The beneficial effects of the utility model are, by the setting of the through hole at triangle, original position is at the middle position of square hole both sides, reach Lamination mould in the middle of punching course and be not easy wearing and tearing, and make the location of magnet steel in square hole more firm, add short slot group, be placed in after in square hole at magnet steel, add and hide glue amount, secure the location of magnet steel further, it also avoid the centrifugal force produced in motor high speed rotating process makes magnet steel rock the noise of generation, and be provided with the conversion that louvre can accelerate motor internal air, achieve and heat too much for motor internal is distributed, improve the transmission efficiency of motor.
Accompanying drawing explanation
Fig. 1 is a kind of magnetic steel built-in type motor of the utility model schematic diagram;
Fig. 2 is the schematic diagram of a kind of magnetic steel built-in type motor rear cover of the utility model;
Fig. 3 is the rotor of a kind of magnetic steel built-in type motor of the utility model and the schematic diagram of stator cooperation;
Fig. 4 is the A portion enlarged drawing of Fig. 3.
Description of reference numerals: 1, rotor; 11, rotor core; 12, magnet steel; 2, interior circular hole; 3, square hole; 31, magnetic bridge; 4, short slot group; 41, square short slot; 42, milling cutter groove; 5, stator; 6, louvre.
Embodiment
Be described further with reference to a kind of magnetic steel built-in type motor of accompanying drawing 1 to 4 pair of the utility model.
A kind of magnetic steel built-in type motor, comprise rotor 1 and stator, rotor 1 comprises bearing, rotating shaft and rotor core, rotor core is overrided to form by the rotor punching of circle, rotor core has the interior circular hole of hollow, evenly be provided with some to square hole along interior circular hole, two pairs of square holes are selected in the middle of the present embodiment, square hole forms a untight square, square hole cross section is oblong-shaped, the both sides of square hole are provided with magnetic bridge, magnetic bridge is the through hole of triangle and starts from the middle position of the both sides of square hole, shrink in the opposite side of square hole relative to interior circular hole, original position is at the middle position of square hole both sides, reach Lamination mould in the middle of punching course and be not easy wearing and tearing, and add the location of magnet steel 12 in square hole.Square hole is provided with short slot group near the side of interior circular hole, short slot group comprises and is positioned at the square short slot in centre position, square hole side and the milling cutter groove at two ends, square short slot can pour into glue, reach square hole inside magnet steel 12 being fixed on to rotor core, glue can certainly be added in the inside of milling cutter groove, reach to add by the setting of short slot group and hide glue amount, secure the location of magnet steel 12 further, it also avoid the centrifugal force produced in motor high speed rotating process and make magnet steel 12 rock the noise of generation.
Rotor 1 number of poles is 4 poles, and number of stator slots is 6 grooves, and the ratio of rotor 1 number of poles and number of stator slots is 2:3, and useful flux is large.
The rotating speed of this kind of motor is 25000r/min, and power is 250W, and belong to high rotating speed high power, the bonnet of motor housing is provided with louvre, reaches high-revolving motor and has good heat sinking function.Motor housing is provided with motor protective ring.
The above is only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Although more employ the terms such as rotor, rotor core, interior circular hole, square hole, magnetic bridge, short slot group, square short slot herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (6)
1. a magnetic steel built-in type motor, comprise rotor electric machine shell and stator, it is characterized in that, described rotor core is overrided to form by the rotor punching of circle, described rotor core has the interior circular hole of hollow, evenly be provided with some to square hole along interior circular hole, magnetic bridge is provided with in the both sides of described square hole, described magnetic bridge is the through hole of triangle and starts from the middle position of the both sides of square hole, shrink and also comprise relative to the opposite side of interior circular hole the magnet steel be built in square hole in square hole, the bonnet of described motor housing is provided with louvre.
2. a kind of magnetic steel built-in type motor according to claim 1, it is characterized in that, described square hole is provided with short slot group near the side of interior circular hole.
3. a kind of magnetic steel built-in type motor according to claim 2, is characterized in that, described short slot group comprises and is positioned at the square short slot in centre position, square hole side and the milling cutter groove at two ends.
4. a kind of magnetic steel built-in type motor according to claim 1, it is characterized in that, described motor housing is provided with motor protective ring.
5. a kind of magnetic steel built-in type motor according to claim 1, is characterized in that, the rotating speed of this motor is 25000r/min.
6. a kind of magnetic steel built-in type motor according to claim 1, is characterized in that, the number of poles of this rotor is 4 poles, and the groove number of stator is 6 grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520632576.XU CN204906040U (en) | 2015-08-21 | 2015-08-21 | Built -in motor of magnet steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520632576.XU CN204906040U (en) | 2015-08-21 | 2015-08-21 | Built -in motor of magnet steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204906040U true CN204906040U (en) | 2015-12-23 |
Family
ID=54928186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520632576.XU Active CN204906040U (en) | 2015-08-21 | 2015-08-21 | Built -in motor of magnet steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204906040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186742A (en) * | 2015-08-22 | 2015-12-23 | 宁波市比尔迪赛电机有限公司 | Rotor core and magnetic-steel built-in motor |
-
2015
- 2015-08-21 CN CN201520632576.XU patent/CN204906040U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186742A (en) * | 2015-08-22 | 2015-12-23 | 宁波市比尔迪赛电机有限公司 | Rotor core and magnetic-steel built-in motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204906040U (en) | Built -in motor of magnet steel | |
| CN201113738Y (en) | Independent pole axial phase-splitting switch reluctance machine | |
| CN105186742A (en) | Rotor core and magnetic-steel built-in motor | |
| CN204886442U (en) | Stator lamination of external rotor motor | |
| CN103437960A (en) | Wind power generator | |
| CN204376665U (en) | 75kw generator | |
| CN204258455U (en) | A kind of Novel electric excitation biconvex electrode electric machine stator punching | |
| CN205389146U (en) | Permanent magnet generator rotor | |
| CN205070736U (en) | No iron core generator | |
| CN202384865U (en) | Overall rotor sheet structure of high-speed generator non-salient pole | |
| CN202889150U (en) | AC generator with permanent magnets | |
| CN204425145U (en) | A kind of two pole generator | |
| CN205195521U (en) | Permanent magnet synchronous motor rotor and motor | |
| CN208638114U (en) | A kind of micro- magnetic resistance power generating hub used for bicycle | |
| CN202918160U (en) | High-efficiency permanent-magnetic frequency-variable speed-regulating three-phase synchronous motor | |
| CN109450203A (en) | DC-disc type rotating electric machine | |
| CN215378602U (en) | Fixed main shaft generator structure | |
| CN206650563U (en) | A kind of hydroelectric synchronous machine | |
| CN203632388U (en) | Rotor of stepping motor | |
| CN201623606U (en) | Wind wheel direct-driven permanent magnet generator | |
| CN202696511U (en) | Motor generating repelling magnetic forces | |
| CN203840091U (en) | Full-automatic electric machine rotor punching sheet | |
| CN208401716U (en) | A kind of dynamical miniature DC motor | |
| CN207353937U (en) | A kind of highly effective permanent-magnet motor rotor core | |
| CN209545277U (en) | A kind of built-in permanent magnetic AC servo motor rotor improving air-gap field waveform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |