CN201563048U - Brushless electromagnetic motor - Google Patents
Brushless electromagnetic motor Download PDFInfo
- Publication number
- CN201563048U CN201563048U CN2009201076619U CN200920107661U CN201563048U CN 201563048 U CN201563048 U CN 201563048U CN 2009201076619 U CN2009201076619 U CN 2009201076619U CN 200920107661 U CN200920107661 U CN 200920107661U CN 201563048 U CN201563048 U CN 201563048U
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- motor
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- armature winding
- magnetic pole
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Abstract
The utility model relates to a brushless electromagnetic motor, which belongs to the field of mechanical and electrical products. The motor is formed by a motor body, a position controller and a power controller, wherein the motor body is formed by an axial brushless exciter, an axial air gap and a claw-pole disc type junction pole. The motor has the advantages of small main magnetic flux leakage and silicon steel use, simple structure, low cost, reliable work, high system efficiency in that in low power application, the efficiency is improved by more than 25% than a single-phase alternating current motor, small limitation of a rotor structure form on rotation speed, capability of being made of a motor with high rotation speed and the like, and is applicable in equipment with large volume and high rotation speeds and transmission occasions with low rotation speed torque.
Description
Technical field
The utility model relates to a kind of brush-less electrically exciting motor, belongs to the electronic product field.
Background technology
Existing novel electromechanical integrative motor as brushless, permanently excited direct current motor, thyristor motor, switched reluctance motor etc., all is to adopt old-fashioned structure to be equipped with electron controls technology and the product realized.Do not see the bibliographical information of the brush-less electrically exciting motor identical with the utility model structure.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, and a kind of cost is low, efficient is high, the brush-less electrically exciting motor that is applicable to big capacity, high rotating speed equipment and the transmission of slow-speed of revolution moment of economical with materials and provide.
The utility model is achieved in that this brush-less electrically exciting motor is made up of motor body, position detector, power controller.Motor body is made up of axial brushless excitation, axial air-gap, pawl utmost point tray type structure.Axially brushless excitation is made up of the excitation winding that relative magnetic pole is distributed in the stator both sides.Axial air-gap by no cord disc formula armature winding or have that disc type armature winding unshakable in one's determination constitutes be embedded in stator in the stator, form with every utmost point of the magnetic pole of rotor; Armature winding is divided into heterogeneous structure, and each phase winding is controlled the change of current according to the position of rotor by power semiconductor, and form is armature winding in parallel or series connection armature winding.The position detector, the power controller that constitute brush-less electrically exciting motor are known configurations.
The operation principle of brush-less electrically exciting motor is: the interactional form of its rotary pole of brush-less electrically exciting motor and armature winding is different from conventional motors, general conventional motors magnetic pole and armature winding interaction principle are as shown in Figure 3, a pair of magnetic pole acts on the AB section and the CD section of armature winding coil respectively, is equivalent to AB section and CD section and cuts the magnetoelectricity line and produce electromagnetic torque.The interactional principle of brush-less electrically exciting motor magnetic pole and armature winding as shown in Figure 4, the a certain moment of a pair of magnetic pole only acts on the AB section of armature winding or acts on the CD section, only be equivalent to a certain section cutting main flux magnetic line of force of the AB section or the CD section of armature coil, thereby produce electromagnetic torque.In Fig. 3, establishing the total net sectional area of main magnetic is sf, and the armature sectional area is sa, because die opening, sf is less than sa.And in Fig. 4, because magnetic pole is distributed in the armature both sides respectively relatively, so the sf here equals sa, stock utilization improves.The rotor opposite magnetic pole is distributed in the two sides of armature stator respectively, acts on mutually with stator two sides armature winding respectively, and is different with conventional motors structure and operation principle.
Description of drawings
Fig. 1 constitutes schematic diagram for the brush-less electrically exciting motor system.
Fig. 2 is a brush-less electrically exciting motor bulk junction composition.
Fig. 3 is general machine operation principle schematic.
Fig. 4 is a brush-less electrically exciting motor operation principle schematic diagram.
Fig. 5 is a two-phase brush-less electrically exciting motor course of work schematic diagram.
Fig. 6 is a two-phase series excitation brush-less electrically exciting motor electrical schematic diagram in parallel.
Fig. 7 is three-phase six an attitude shunt excitation series connection brush-less electrically exciting motor electrical schematic diagram.
Sequence number is among Fig. 2: 3-axle, 5-front end housing, 6-rear end cap, 7-excitation skeleton card, 10-stator card.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is further described.Following examples only are used for the technical solution of the utility model more clearly is described, and can not limit protection range of the present utility model with this.
As shown in Figure 1 and Figure 2, brush-less electrically exciting motor is made up of motor body, position detector, power controller.Motor body is distributed in the axial brushless excitation that the excitation winding 2 of stator both sides is formed by relative magnetic pole; By no cord disc formula armature winding or have that disc type armature winding 1 unshakable in one's determination constitutes be embedded in stator in unshakable in one's determination 9, with the every extremely formed axial air-gap of the magnetic pole of rotor 4 and 8; The rotor of being made by monoblock steel or silicon steel sheet 4 and 8 can be divided into two utmost points, three utmost points, four utmost points and multipole pawl utmost point tray type structure and form.Position detector, power controller are known structure.It is similar to modern disc type DC motor structure not have stator armature winding 1 unshakable in one's determination.Have stator unshakable in one's determination by armature winding 1 with automatically dashing that volume unshakable in one's determination 9 constitutes or by dividing folded being equivalent to have only the iron core of tooth portion and armature winding in pressing mold, to be cast into one.
The operation principle of brush-less electrically exciting motor as shown in Figure 3.
Fig. 4 is a two-phase brush-less electrically exciting motor course of work schematic diagram, and wherein the armature supply rotor-position sensor detects the change of current of signal controlling transistor, makes rotor 4 and 8 turn round.
The brush-less electrically exciting motor armature divides heterogeneous structure, each phase winding is controlled the change of current according to rotor-position by power semiconductor in the armature, its form can be divided into armature in parallel and series connection armature structure, and wherein every phase winding of armature structure in parallel is independent is respectively controlled by device for power switching.Fig. 5 is the two series excitation brush-less electrically exciting motor electrical schematic diagrams that are in parallel, and each of armature winding detects position signalling by rotor-position sensor and the conducting of oxide-semiconductor control transistors and ending, thereby realizes the electric current change of current in the armature winding.And each phase winding of series connection armature structure is connected into integral body in order, and is identical with the direct current machine armature structure.Fig. 6 is series connection shunt excitation brush-less electrically exciting motor electrical schematic diagram.
Whole work of the present utility model is:
After the energized, rotor-position sensor detection rotor magnetic field is with respect to the position of stator electrode winding, and go out the power component of signal control switch circuit in the position sensing of determining, carrying out winding current by certain logical relation switches, energising winding armature mmf acts on the generation torque mutually with rotor magnetic potential, and ooze energising by transducer control winding wheel, the torque that is produced makes motor rotate by certain orientation.
Brush-less electrically exciting motor is through on probation, and its performance is better than other motors, sees the back table for details.
The utility model compared with prior art has the following advantages:
1, brush-less electrically exciting, magnetic pole is distributed in the stator both sides relatively, and it is little to influence each other, and main magnetic leakage magnetic is few, and magnetic leakage factor is little.
2, armature winding, excitation winding is concentrated, and the end is short, the stock utilization height, the silicon steel consumption is few, and volume is little, compares with other motor of congenerous output, and material-saving is more than 20%.
3, simple in structure, manufacturing process is few, and cost is low, reliable operation, and maintenance capacity is little.
4, energy automatic control frequency modulation, brushless, commutatorless, can in extremely broad scope, do stable stepless speed regulation, be easy to realize positive feedback, contactless logic electronic and regenerative braking is switched and is moved in four quadrants, control can require to design various torque one rotary speed properties flexibly according to use, have higher system efficient, especially in low-power applications, tool efficient improves more than 25% than load motor.
5, the rotor structure form is little to the rotating speed restriction, can make pot motor.
The 300mm fan motor data table of comparisons
| Sequence number | The performance structure data | The electric capacity single-phase motor | Brushless | Remarks | |
| 1 | Rotating speed under the nominal load | 1350r/min | 1500r/ |
||
| 2 | Input | 52W | 48W | ||
| 3 | Efficient | 27％ | 36％ | ||
| 4 | The silicon steel consumption | 1230g | 191g |
| Sequence number | The performance structure data | The electric capacity single-phase motor | Brushless | Remarks | |
| 5 | Electromagnetic wire is | 210g | 187g | ||
| 6 | R3 | 587g | |||
| 7 | The electronic component cost | 8.50 unit/only | 8.60 unit/only | ||
| 8 | Mode of speed regulation | Tap | Electrodeless | ||
| 9 | Speed adjusting performance | Difference | Good |
The contrast of 3KW 3000r/min buncher system
| Project | Electromagnetic speed-adjusting | DC speed regulation | Exchange PWM | Brush-less electrically exciting |
| Efficient under the nominal torque rotating speed | 78％ | 80％ | 81％ | 86％ |
| Efficient under |
38％ | 79％ | 80％ | 83％ |
| System synthesis originally | 0.8 | 1 | 1.5 | 0.85 |
| Copper, steel consumption | 1.35 | 1 | 0.9 | 0.65 |
Annotate: cost and material consumption are that the basis compares with the Direct Current Governor System.
The above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (3)
1. brush-less electrically exciting motor, it is characterized in that this motor is made up of motor body, position detector, power controller, motor body is distributed in axial brushless excitation, axial air-gap, the pawl utmost point tray type structure that the excitation winding (2) of stator both sides forms by relative magnetic pole and forms.
2. by the said brush-less electrically exciting motor of claim 1, it is characterized in that axial air-gap by no cord disc formula armature winding or have that disc type armature winding unshakable in one's determination (1) constitutes be embedded in stator in the iron core (9), form with every utmost point of the magnetic pole of rotor (4,8); Armature winding (1) is divided into heterogeneous structure, and each phase winding is controlled the change of current according to the position of rotor (4,8) by power semiconductor, and form is armature winding in parallel or series connection armature winding (1).
3. by the said brush-less electrically exciting motor of claim 1, it is characterized in that pawl utmost point tray type structure can be divided into two utmost points, three utmost points, four utmost points and multipole pawl extremely to form for the rotor (4,8) made by monoblock steel or silicon steel sheet, magnetic pole is distributed in the two sides of stator of the equal same sex of magnetic pole of each side relatively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201076619U CN201563048U (en) | 2009-05-06 | 2009-05-06 | Brushless electromagnetic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201076619U CN201563048U (en) | 2009-05-06 | 2009-05-06 | Brushless electromagnetic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201563048U true CN201563048U (en) | 2010-08-25 |
Family
ID=42628197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201076619U Expired - Fee Related CN201563048U (en) | 2009-05-06 | 2009-05-06 | Brushless electromagnetic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201563048U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253585A (en) * | 2016-08-17 | 2016-12-21 | 杭州赛微电机有限公司 | A kind of alternating electron controls permanent magnet motor |
-
2009
- 2009-05-06 CN CN2009201076619U patent/CN201563048U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253585A (en) * | 2016-08-17 | 2016-12-21 | 杭州赛微电机有限公司 | A kind of alternating electron controls permanent magnet motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20140506 |