CN103731001A - Direct-current coreless motor used for driving model airplane - Google Patents
Direct-current coreless motor used for driving model airplane Download PDFInfo
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- CN103731001A CN103731001A CN201210389099.XA CN201210389099A CN103731001A CN 103731001 A CN103731001 A CN 103731001A CN 201210389099 A CN201210389099 A CN 201210389099A CN 103731001 A CN103731001 A CN 103731001A
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Abstract
The invention discloses a direct-current coreless motor used for driving a model airplane. The motor comprises a stator, a rotor and an end cap, wherein the stator, the rotor and the end cap are assembled and riveted; the stator comprises a shell, a bearing sleeve fixed in the shell, oil bearings fixed to the two ends of the bearing sleeve, and NdFeB magnetic steel fixed to the outer surface of the bearing sleeve; the rotor comprises a winding, a belt shaft commutator connected with the winding, and a pressure sensitive resistor fixed to a rotating shaft extending out of the end of the belt shaft commutator; after double wires are wound in parallel into hexagons, the hexagons are connected in a head-and-tail abutted mode to form two hollow cylindrical coils, and the two coils are overlapped to form the winding; the end cap comprises a rear cap, an electric brush sheet fixed to the rear end of the rear cap, and a PCB connected with the electric brush sheet through an conductive inserting sheet. The direct-current coreless motor used for driving the model airplane has the advantages that the weight of the motor is reduced, the power of the motor is increased, the working current of the motor is reduced, and the efficiency of the motor is improved.
Description
Technical field
The present invention relates to a kind of motor, in particular, the model plane easy to control that the invention belongs to the double winding coil two-terminal of iron-core-free class drive the DC hollow cup motor of use.
Background technology
At present, the driver module that daily toy market and model airplane class are used is the DC carbon brush electric motor of cored class substantially, its advantage is stabilization of speed, moment is larger, electric current is less, the operating efficiency of motor is higher, but its inferior position is also obvious: volume is all larger, minimum diameter is all φ 12mm, and because there is the iron core laminating inside, weight is heavier, as be applicable on model airplane, increased the weight of model plane, both increased the gravity starting, the electric current of desired drive motors also can increase, be unfavorable for that the battery in model plane powers for a long time, also be unfavorable for the current settings of motor itself.
Second, d.c. motor, because of the factor of commutation, produces larger commutation and cremates, and this commutation process produces significantly pulse electromotive force, disturbs the control signal of remote controlled model plane.Conventionally on the terminal of motor, an external larger electric capacity carries out filtering bypass, the reason of Yin Mada and model plane volume, and electric capacity can not be welded on signal dash receiver, can only separately increase space and settle shunt capacitance, and the air resistance coefficient of model plane is increased.
Moreover, use common drag cup motor to make to drive purposes, although it is little that volume can do, but its motor power and efficiency can not be completely satisfied, the input current of motor increases several times, and commutation spark increases immediately, antispark element arc control completely on the pcb board that signal receives, motor temperature rise aggravation, the life-span can not ensure, the consumption of battery increases.
Summary of the invention
For the above-mentioned defect of prior art, object of the present invention is just to provide a kind of DC hollow cup motor of model plane driving use, to solve an above-mentioned difficult problem.
For solving the deficiencies in the prior art, the technical scheme that the present invention will solve is: a kind of model plane drive the DC hollow cup motor of use, comprise stator, rotor and end cap, described stator, rotor and end cap are assembled riveted joint, described stator comprises a housing, be fixed on the bearing holder (housing, cover) in described housing, be fixed on the oiliness bearing at described bearing holder (housing, cover) two ends, be fixed on the Nd-Fe-B magnet steel of described bearing holder (housing, cover) outer surface, described rotor comprises winding, the tape spool commutator being connected with described winding, be fixed on the varistor in the rotating shaft of described tape spool commutator, described winding is to become after hexagon head and the tail to being connected into two hollow cylinder coils by two-wire parallel winded, two coils are formed by stacking, described end cap comprises bonnet, be fixed on the brush plate of described rear cover back-end, the pcb board being connected with described brush plate by conductive insert.
As model plane of the present invention, drive the one of the DC hollow cup motor of use to improve, described pcb board is provided with the remote control reception original paper every the electric smelting of straight-through alternating current and control IC.The capacitive means of handing over every straight-through is housed on pcb board, is parallel in incoming line with motor terminal, further the filter action to interference signal; The on-off function of remote control reception original paper control motor and the function of rotating speed speed.
As model plane of the present invention, drive the one of the DC hollow cup motor of use to improve, described housing is stretched and is formed by conducting magnetic component.The housing with magnetic conduction effect forms closed loop, the effect that outside magnetic circuit is shielded to inner magnetic circuit.
As model plane of the present invention, drive the one of the DC hollow cup motor of use to improve, described bonnet and pcb board are fixed by conducting terminal and glue member, have omitted the circuit of motor input.
As model plane of the present invention, drive the one of the DC hollow cup motor of use to improve; described rotor commutator and coil weld add varistor; make pulse signals have the effect of absorption, the effect of having protected commutator to burn pole piece because of commutation spark when commutation.
Compared with prior art, the invention has the beneficial effects as follows: the weight that alleviates motor self, increase motor power, reduce motor operations electric current, improve moyor, on rotor arrangement, be furnished with varistor, make pulse signals have the effect of absorption, the effect of having protected commutator to burn pole piece because of commutation spark when commutation; The terminal of end cap, with anti-interference antispark PCB dash receiver, provides remote control break-make and the rotation speed change function of motor.The torque output that the present invention is larger, larger working efficiency, less electric current input, load-bearing capacity is strong; The interference of the anti-pulse signal of energy, to the shielding of outside magnetic circuit, prevents the leakage effects of inner magnetic circuit; The model plane motor unshakable in one's determination that is lighter than same volume, its weight only has 1/3 of motor unshakable in one's determination.
Accompanying drawing explanation
Fig. 1 is stator blast structural representation of the present invention.
Fig. 2 is rotor blast structural representation of the present invention.
Fig. 3 is end cap blast structural representation of the present invention.
Fig. 4 is loop construction schematic diagram of the present invention.
Fig. 5 is perspective view of the present invention.
Embodiment
Just by reference to the accompanying drawings the present invention is described further below.
As shown in Figure 5, be the DC hollow cup motor that model plane of the present invention drive use, comprise stator, rotor and end cap, described stator, rotor, end cap are assembled riveted joint.
As shown in Figure 1, stator comprise housing 104, be fixed on bearing holder (housing, cover) 101 in described housing, be fixed on described bearing holder (housing, cover) 101 two ends oiliness bearing 102, be fixed on the Nd-Fe-B magnet steel 103 of described bearing holder (housing, cover) 101 outer surfaces.
As shown in Figure 2 and Figure 4, tape spool commutator 203 that rotor comprises winding 205, be connected with described winding, be fixed on the varistor 204 in the rotating shaft of described tape spool commutator, described winding 205 is by two-wire parallel winded, after becoming hexagon, first place is to being connected into two hollow cylinder coils, and two coil performance are the same, outside dimension two-wire winding in different size is formed by stacking.Described tape spool commutator 203 and coil weld add varistor 204, make pulse signals have the effect of absorption, the effect of having protected tape spool commutator to burn pole piece because of commutation spark when commutation.
As shown in Figure 3, end cap comprises bonnet 301, is fixed on the brush plate 302 of rear cover back-end, the pcb board 303 being connected with brush plate by conductive insert 304.
Wherein, pcb board 303 is provided with every the electric smelting of straight-through alternating current and the remote control reception original paper of control IC.The capacitive means of handing over every straight-through is housed on pcb board 303, is parallel in incoming line with motor terminal, further the filter action to interference signal; The on-off function of remote control reception original paper control motor and the function of rotating speed speed.
Stator pack process of assembling: by the oiliness bearing 102 that is pressed into two powder metallurgy in bearing holder (housing, cover) 101, utilizing tool, the bearing holder (housing, cover) of oiliness bearing 102 101 is pressed in the endoporus of Nd-Fe-B magnet steel 103 fixing, the bearing holder (housing, cover) 101 with oiliness bearing 102 and Nd-Fe-B magnet steel 103 is pressed into the metal shell 104 of magnetic conduction from inside, positioning and directing carries out radial magnetizing again.
Rotor assembling process: first end to end by the hexagon winding of two-wire coiling, in the synchronous coil that navigates to large diameter of two cup coil that school circle forms, be inserted in coaxial pole, add heat integration, making the middle air gap of two coils is 0, stick with glue and connect with connecting shaft commutator 203 again, black soy sauce the end of a thread and varistor 204, the 203 pole piece welding of tape spool commutator, varistor 204 is also welded on tape spool commutator 203 simultaneously, take out the end of a thread phase place consistent with tape spool commutator 203 pole piece phase places, with resistance instrument detection soldering reliability.
End cap assembling process: by the bonnet 301 of LPC material injection mo(u)lding, mix the brush 302 of two noble silver palladium materials, after fixing with epoxy glue, to be furnished with the pcb board 303 use conductive inserts 304 and brush 302 of antispark vigour part) welding, finally with glue, bonnet 301 and pcb board 303 are adhesively fixed and are formed.Its pcb board 303 is equipped with controls IC and remote control reception original paper.
Above-described stator, rotor, end cap are assembled to riveted joint, obtain the anti-interference drag cup motor of DC permanent magnet twin coil as shown in Figure 5.In motor inner rotator, be two coils of two-wire coiling, and on rotor, installed the electronic original part that commutation spark absorbs additional, be equipped with the capacitor filtering of pcb board 303, have remote control reception element concurrently simultaneously, with the original paper of controlling motor running, can be in the break-make of far distance controlled motor and rotation speed change function; Secondly the effect extending out by magnetic conduction and the shielding circuit of stator case 104, the effect that magnetic is also shielded, more can not disturb other extraneous parts because of magnetic.So it is applicable in high-precision model plane articles for use.
Present embodiment is preferred mode of the present invention, but is recorded in the relative configuration, numerical value etc. of the structural element in this example, as long as specifically record, and does not mean that scope of the present invention only limits to this record.
Claims (5)
1. the DC hollow cup motor of a model plane driving use, comprise stator, rotor and end cap, described stator, rotor and end cap are assembled riveted joint, it is characterized in that: described stator comprises a housing (104), be fixed on the bearing holder (housing, cover) (101) in described housing (104), be fixed on the oiliness bearing (102) at described bearing holder (housing, cover) (101) two ends, be fixed on the Nd-Fe-B magnet steel (103) of described bearing holder (housing, cover) (101) outer surface, described rotor comprises winding (205), the tape spool commutator (203) being connected with described winding (205), be fixed on the varistor (204) in described tape spool commutator (203) rotating shaft, described winding (205) is by two-wire parallel winded, after becoming hexagon, head and the tail are to being connected into two hollow cylinder coils, two twin coils are formed by stacking, described end cap comprises bonnet (301), be fixed on the brush plate (302) of described rear cover back-end, the pcb board (303) being connected with described brush plate (302) by conductive insert (304).
2. model plane according to claim 1 drive the DC hollow cup motor of use, it is characterized in that: described pcb board (303) is provided with the remote control reception original paper every the electric smelting of straight-through alternating current and control IC.
3. the anti-interference drag cup motor of DC permanent magnet twin coil according to claim 1, is characterized in that: described housing (104) is stretched and formed by conducting magnetic component.
4. model plane according to claim 1 drive the DC hollow cup motor of use, it is characterized in that: described bonnet (301) is fixed by conducting terminal and glue member with described pcb board (303).
5. model plane according to claim 1 drive the DC hollow cup motor of use, it is characterized in that: described tape spool commutator (203) and coil weld are provided with varistor (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210389099.XA CN103731001A (en) | 2012-10-15 | 2012-10-15 | Direct-current coreless motor used for driving model airplane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210389099.XA CN103731001A (en) | 2012-10-15 | 2012-10-15 | Direct-current coreless motor used for driving model airplane |
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| CN103731001A true CN103731001A (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210389099.XA Pending CN103731001A (en) | 2012-10-15 | 2012-10-15 | Direct-current coreless motor used for driving model airplane |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104821676A (en) * | 2015-03-20 | 2015-08-05 | 新疆北元-泰瑞机械工程有限公司 | DC brushless motor coil structure |
| CN105680589A (en) * | 2016-03-07 | 2016-06-15 | 安徽省旌德县星豪电子科技有限公司 | Small monitor |
| CN110429781A (en) * | 2019-08-30 | 2019-11-08 | 浙江省东阳市东磁诚基电子有限公司 | A kind of micro hollow cup direct current generator and its implementation |
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| CN203180741U (en) * | 2012-10-15 | 2013-09-04 | 东莞市吉铼升电机有限公司 | Direct-current hollow cup motor used for driving model airplane |
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2012
- 2012-10-15 CN CN201210389099.XA patent/CN103731001A/en active Pending
Patent Citations (13)
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| CN2773983Y (en) * | 2004-11-01 | 2006-04-19 | 荣成永柏微电机有限公司 | Vibration electric motor with hollow cup |
| CN2857326Y (en) * | 2005-12-30 | 2007-01-10 | 深圳市仓兴达科技有限公司 | D.C. hollow cup microdynamo |
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| CN201570967U (en) * | 2009-10-12 | 2010-09-01 | 深圳市双环全新机电股份有限公司 | Precise hollow cup DC reducing motor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104821676A (en) * | 2015-03-20 | 2015-08-05 | 新疆北元-泰瑞机械工程有限公司 | DC brushless motor coil structure |
| CN104821676B (en) * | 2015-03-20 | 2017-04-26 | 新疆北元-泰瑞机械工程有限公司 | DC brushless motor coil structure |
| CN105680589A (en) * | 2016-03-07 | 2016-06-15 | 安徽省旌德县星豪电子科技有限公司 | Small monitor |
| CN110429781A (en) * | 2019-08-30 | 2019-11-08 | 浙江省东阳市东磁诚基电子有限公司 | A kind of micro hollow cup direct current generator and its implementation |
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Application publication date: 20140416 |
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| RJ01 | Rejection of invention patent application after publication |