CN2404258Y - Non-iron core wire-wound disc permanent magnet brushless DC motor - Google Patents
Non-iron core wire-wound disc permanent magnet brushless DC motor Download PDFInfo
- Publication number
- CN2404258Y CN2404258Y CN 99251867 CN99251867U CN2404258Y CN 2404258 Y CN2404258 Y CN 2404258Y CN 99251867 CN99251867 CN 99251867 CN 99251867 U CN99251867 U CN 99251867U CN 2404258 Y CN2404258 Y CN 2404258Y
- Authority
- CN
- China
- Prior art keywords
- motor
- wheel hub
- iron core
- magnetic conductive
- motor case
- 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 - Lifetime
Links
Images
Landscapes
- Brushless Motors (AREA)
Abstract
The utility model provides a non-iron core wire-wound disc permanent magnet brushless DC motor. The utility model comprises a wheel shaft, a wheel hub, a motor case, a main magnetic conductive plate, a subsidiary magnetic conductive plate, an armature-wire-wound disc, Nd-Fe-B permanent magnets, a driving mechanism, a position sensor, and an electronic direction changing switch control circuit, wherein, the wheel hub is free sheathed on the wheel shaft; the motor case is positioned in the wheel hub; the main magnetic conductive plate and the subsidiary magnetic conductive plate are arranged on corresponding edges of the motor case; the armature-wire-wound disc is arranged on the wheel shaft; the Nd-Fe-B permanent magnets which are positioned at both ends of the armature-wire-wound disc are arranged on the main magnetic conductive plate and the subsidiary magnetic conductive plate; the driving mechanism is respectively connected with the motor case and the wheel hub; the electronic direction changing switch control circuit is connected with the armature-wire-wound disc. The utility model has the advantages of light weight, small material consumption and power consumption, few operational troubles, strong anti-interference ability, and long service life. The utility model is used for electric transportation means, such as electric bicycles, electric motor cars, electric automobiles, etc.
Description
The utility model relates to a kind of DC motor, particularly be a kind of no iron core line drum formula brushless, permanently excited direct current motor.
Existing DC motor comprises stator core, rotor core, the complete machine Heavy Weight, and material consumption, energy consumption are many, and power output is low, and service life is low; Adopt the mechanical commutation mode, operation is to producing electric spark, and operation troubles is many.
In view of above reason, the purpose of this utility model is in order to provide a kind of in light weight, and material consumption, energy consumption are low, and operation troubles is few, and antijamming capability is strong, the no iron core line drum formula brushless, permanently excited direct current motor that service life is long.
The purpose of this utility model is achieved like this:
The utility model DC motor comprises wheel shaft, sky is enclosed within the wheel hub on the wheel shaft, be arranged in the motor case of wheel hub, be loaded on the leading magnetic sheet on the motor case corresponding sides, pay magnetic conductive board, be contained in the armature wire-wound dish on the wheel shaft, what be positioned at armature wire-wound dish two ends is contained in leading magnetic sheet respectively, pay the Nd-Fe-B permanent magnet on the magnetic conductive board, the transmission mechanism that is connected with wheel hub with motor case respectively, position transducer, the electronic commutation ON-OFF control circuit that is connected with armature wire-wound dish is (referring to Fig. 1, Fig. 2), armature wire-wound dish does not have iron core, be motor stator, rotor is formed axial multipole magnetic field by the Nd-Fe-B permanent magnet of poly-high HCJ, the effect of position transducer is that the position with rotor magnet converts electricity fast input control switch circuit to, thereby make the every winding of stator by setting the order commutation,, thereby realize electronic commutation because the conversion of the conducting of electronic switch circuit order and rotor is synchronous.
Above-mentioned transmission mechanism is gear drive (referring to Fig. 1).
The driving gear that is equipped with on the motor case is arranged in the above-mentioned gear drive, carrier gear with the driving gear engagement, the driven gear coaxial with carrier gear, with the wheel hub ring gear (referring to 1) of driven gear engagement, carrier gear adopts the NL150 high strength plastics to make.
Above-mentioned position transducer adopts Hall element or electro-optical pickoff (referring to Fig. 2).
Above-mentioned electronic commutation ON-OFF control circuit comprises the electronic switch MPM3003 that is connected with armature wire-wound dish, the signal that position transducer is transmitted produces the controller MC33035 control integrated circuit that commutation sequential, output are connected with electronic switch MPM3003, converts position sensor signal to speed control adapter MC33039 that the frequency signal that is directly proportional with motor speed and output are connected with MC33035 control integrated circuit input.(referring to Fig. 2).
Referring to Fig. 1, Fig. 2, when certain of stator winding was switched on mutually, the magnetic field interaction that this electric current and rotor permanent magnet produced and produce torque drove the rotor rotation.Thereby drive the motor case rotation, the driving gear in transmission mechanism, carrier gear, driven gear, wheel hub ring gear drive wheel hub and rotate.
Compare with existing DC motor, the utlity model has following advantage:
1, owing to cancelled the mechanical commutation mode, replace electronic commutator and reduced the operation noise, stopped the operation electric spark, effectively reduced motor operation troubles factor.
2, owing to cancelled stator core, rotor core, replace permanent magnetism split pole magnet steel, plastic packaging disc type winding and NL150 high strength plastics passing bridge with reduced speed tooth, reduced complete machine weight, material consumption, energy consumption, operation temperature rise effectively, improved power output, insulation property, service life.Volume is little, and is in light weight.
3, owing to taked the new combination of structure, material, in addition in the body, the associated working of external position sensing, control circuit, logical power switch, realized that armature does not have slot effect, torque fluctuation is little, and antijamming capability is strong, stable working state.
4, owing to take the new combination of structure like this, material, realized the immersion oil operation of transmission mechanism in the body, for reducing, wearing and tearing reduction, noise created reliable conditions, also further improved service life, 100,000 Km are non-maintaining.
5, owing to take the new combination of structure like this, material, realized the wheel hub driving, and realized mechanical transmission mechanism in the cancellation machine that motor thickness drops to below the 30mm.
6, applied range can be used for electric bike, electric vehicles such as battery-operated motor cycle, electric automobile.
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing:
Fig. 1 is the utility model structural representation.
Fig. 2 is circuit theory diagrams of the present utility model.
Referring to Fig. 1, wheel hub 1 is made up of hub 2, the wheel cap that is connected with hub 3,4 that is positioned at hub 2 two ends.Wheel shaft 5 skies are enclosed within on the wheel hub.Motor case 6 is contained in the wheel hub, and leading magnetic sheet 7, a pair magnetic conductive board 8 are contained on the motor case.Plastic packaging armature wire-wound dish 15 skies that are positioned at motor case are enclosed within on the wheel shaft, on leading magnetic sheet and pair magnetic conductive board correspondence position Nd-Fe-B magnetic pole permanent magnet 9 are housed respectively.The driving gear 11 that sky in the transmission mechanism 10 is enclosed within on the wheel shaft is connected on the motor case, makes with the carrier gear 12 employing NL150 high strength plastics of driving gear 11 engagements, and driven gear 13 is coaxial with carrier gear.Ring gear 14 with driven gear 13 engagements is arranged on the hub.Position transducer 16 is connected with plastic packaging armature wire-wound dish.The spacing axle sleeve 17,18 that is threaded with wheel shaft is arranged at the two ends of wheel hub.
Referring to Fig. 1,2, the position transducer in the utility model adopts Hall element MOTOR.The electronic commutation ON-OFF control circuit comprises speed control adapter MC33039, controller MC33035, and electronic switch MPM3003 links to each other with motor three phase windings, and this circuit can not only be finished the electronic commutation function, and can also closed-loop drive.
MC33035 produces the commutation sequential according to the signal that the 4th pin, 5 pin, 6 pin are transmitted by Hall element, the Kai Heguan of this clock signal electronic switch from the 1st pin, 2 pin, 24 pin, 21 pin, 20 pin, 19 pin output control MPM3003, while generation phase difference in A phase, B phase, C phase winding is 120 ° a alternating current.Obviously the magnetic field of this electric current generation will drive the rotation of electronics rotor.Because the conducting of electronic switch order is synchronous with the corner of rotor, thereby has realized the electronic commutation function.
The position signalling that MC33039 exports hall position sensor converts to motor speed and becomes just all frequency signals, and by the output of the 5th pin, the size of adjusting R1, C1 also can change the pulsewidth of this frequency signal.This signal is through R3 and R4, and C3 links to each other with the 12nd pin, 13 pin of MC33035.MC33035 adjusts from the pulsewidth of MC33035 the 21st, 20 pin, 19 pin output signals according to this frequency signal adjustment, thereby reaches the purpose of adjusting motor speed.
Claims (5)
1, no iron core line drum formula brushless, permanently excited direct current motor, it is characterized in that DC motor comprises wheel shaft, sky is enclosed within the wheel hub on the wheel shaft, be arranged in the motor case of wheel hub, be loaded on leading magnetic sheet, pair magnetic conductive board on the motor case corresponding sides, be contained in the armature wire-wound dish on the wheel shaft, be positioned at being contained in leading magnetic sheet respectively, paying the Nd-Fe-B permanent magnet on the magnetic conductive board of armature wire-wound dish two ends, the transmission mechanism that is connected with wheel hub with motor case respectively, position transducer, the electronic commutation ON-OFF control circuit that is connected with armature wire-wound dish.
2, no iron core line drum formula brushless, permanently excited direct current motor according to claim 1 is characterized in that transmission mechanism is a gear drive.
3, no iron core line drum formula brushless, permanently excited direct current motor according to claim 2, it is characterized in that the driving gear that is contained on the motor case is arranged in the gear drive, carrier gear with the driving gear engagement, the driven gear coaxial with carrier gear is with the wheel hub ring gear of driven gear engagement.
4,, it is characterized in that position transducer adopts Hall element or electro-optical pickoff according to claim 1 or 2 or 3 described no iron core line drum formula brushless, permanently excited direct current motors.
5, according to claim 1 or 2 or 3 described no iron core line drum formula brushless, permanently excited direct current motors, it is characterized in that the electronic commutation ON-OFF control circuit comprises the electronic switch MPM3003 that is connected with armature wire-wound dish, the signal that position transducer is transmitted produces the controller MC33035 control integrated circuit that commutation sequential, output are connected with electronic switch MPM3003, converts position sensor signal to speed control adapter MC33039 that the frequency signal that is directly proportional with motor speed and output are connected with MC33035 control integrated circuit input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99251867 CN2404258Y (en) | 1999-12-30 | 1999-12-30 | Non-iron core wire-wound disc permanent magnet brushless DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99251867 CN2404258Y (en) | 1999-12-30 | 1999-12-30 | Non-iron core wire-wound disc permanent magnet brushless DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2404258Y true CN2404258Y (en) | 2000-11-01 |
Family
ID=34036208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99251867 Expired - Lifetime CN2404258Y (en) | 1999-12-30 | 1999-12-30 | Non-iron core wire-wound disc permanent magnet brushless DC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2404258Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264947A (en) * | 2013-05-30 | 2013-08-28 | 上海法西驱动技术有限公司 | Iron coreless rare-earth permanent magnetic gearless traction machine |
| CN103475172A (en) * | 2013-09-24 | 2013-12-25 | 浙江省三门县王中王电机焊接设备有限公司 | Flying disc type full-automatic winding machine and winding method thereof |
-
1999
- 1999-12-30 CN CN 99251867 patent/CN2404258Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264947A (en) * | 2013-05-30 | 2013-08-28 | 上海法西驱动技术有限公司 | Iron coreless rare-earth permanent magnetic gearless traction machine |
| CN103475172A (en) * | 2013-09-24 | 2013-12-25 | 浙江省三门县王中王电机焊接设备有限公司 | Flying disc type full-automatic winding machine and winding method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202260955U (en) | Hub motor | |
| CN104201854A (en) | Electromagnetic structure of vehicular external-rotor radial-magnetic-field permanent magnet synchronous in-wheel motor | |
| CN103023259A (en) | Wheel hub motor and control method thereof | |
| CN201613826U (en) | Power takeoff power-supply system for vehicles | |
| CN103036382A (en) | Hybrid excitation intermediate frequency motor and hybrid automated mechanical transmission (AMT) system and mobile power-generating car | |
| CN202513802U (en) | Inner rotor motor | |
| CN2404258Y (en) | Non-iron core wire-wound disc permanent magnet brushless DC motor | |
| CN202978639U (en) | Lifting motor for electric fork-lift truck | |
| CN1862928A (en) | Modularized stator structure low-speed DC brushless motor | |
| CN101572463A (en) | Combined driving force motor | |
| CN201869064U (en) | Double-stator single-rotor rare earth permanent magnet motor | |
| CN202513804U (en) | External rotor motor | |
| CN201388111Y (en) | Permanent magnet motor with built-in compensating gear | |
| CN1140040C (en) | Comprehensive vehicle motor system | |
| CN102931791A (en) | Lifting electrical motor for electrical forklift | |
| CN203313025U (en) | Direct-current brushless hub motor | |
| CN112332575A (en) | Stator of ultrathin brushless direct current motor, wheel-side motor and wheel-side motor driving wheel | |
| CN200969555Y (en) | Integrated brushless DC measurement generator | |
| CN201113736Y (en) | DC hexaphase brushless machine | |
| CN208190489U (en) | A kind of novel brushless motor | |
| CN102664507A (en) | Inner rotor motor | |
| CN2301810Y (en) | Permanent-magnet brushless DC motor | |
| CN201349167Y (en) | Composite excitation brushless motor for driving electric car | |
| CN1226861A (en) | Energy converter system mounted in wheel hub | |
| CN201194366Y (en) | Brushless DC motor for automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |