CN2449408Y

CN2449408Y - Inner stator model 2 capable of directly driving drum type motor

Info

Publication number: CN2449408Y
Application number: CN 00253779
Authority: CN
Inventors: 许俊甫
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-09-30
Filing date: 2000-09-30
Publication date: 2001-09-19
Anticipated expiration: 2010-09-30

Abstract

The utility model relates to an inner stator model 2 capable of directly driving drum type motor. An inner stator part which is formed by traditional silicon steel sheets via punching stacking can be divided into a plurality of inner stator ring parts with embedded slots, an inner stator toothed part and a field coil slot base. The stator tooth part can be sheathed in the slot base after winding with individual field coil, and the slot base is correspondingly embedded in an outer ring end of the inner stator ring part. A guide needle of the slot base is combined and positioned with a combined plate of an upper and a lower field coils, a wire head and a wire tail of the individual coil are respectively welded on the upper and the lower combined plate so as to be connected as a complete field coil part, and the inner stator ring part is provided with a largest hollow inner hole so as to placing the driving control circuit.

Description

Can directly drive the inner stator (two) of wheel-drum motor

The utility model relates to the field of direct driving wheel drum-type external-rotor motor, be to solve conventional motor to adopt complexity and the inconvenience that separates the manufacturing installation with Drive and Control Circuit, because Drive and Control Circuit is built in the hollow space of internal stator ring portion, therefore the electrical characteristic of taking into account Drive and Control Circuit is not subject to outside interference, its objective is and pursuing a high running efficiency, low manufacturing cost, hanging down to make and establish each investment, and the hub type external-rotor motor of installing easily and controlling.

No matter it makes efficient or the neither easy raising of the effective running efficiency of motor the tradition wheel-drum motor, and manufacturing cost is neither desirable to the greatest extent; Make the motor of a high running efficiency, its manufacturing bottleneck occurs on the problem of magnetizing coil coiling mostly, because motor will have high running efficiency, must there be relative Denso to carry and the magnetic loading, wherein Denso carries the thickness size that related problem is stator magnetizing coil number of ampere turns line footpath, and higher Denso carries promptly to represent a higher exciting curent.

There is higher exciting curent also must have magnetizing coil to circulate in wherein for higher exciting curent than the thick line footpath, improve effective running efficiency of motor simultaneously as desire, then more need to strengthen the line footpath of magnetizing coil, therefore must improve the fill-in ratio of wire casing magnetizing coil, the best approach that improves the magnetizing coil fill-in ratio is for adopting the neat coiling of winding displacement in upright arrangement, but as employing known technology, the notch of its stator slot must stay the coiling machinery of the interior coiling guide pin that the above coiling channel of 2m/m controls for CNC, the guide pin turnover stator teeth notch of Wound-rotor type in just carrying out and finish the neat coiling of winding displacement in upright arrangement, the wire casing mouth is because of reserving the coiling guide pin passage more than the 2m/m, thereby the necessary winding space that reduces wire casing, just the wire casing fill-in ratio of winding displacement in upright arrangement approximately can only bring up to 50%, therefore desire is improved this phenomenon a new manufacturing engineering method, promptly set about the center of each wire casing is outwards cut from the iron core structure of stator department, and the position cutting part has flexible binding structure, make each wire casing mouth door of stator department formation in one line open winding displacement in upright arrangement greatly for high fill-in ratio, but above-mentioned method is also wideer than tooth root end because of the increment of wire casing, therefore overlap again after the wire casing seat that insulate can not wind the line outside in advance and finish and penetrate the tooth root end, but wire casing tooth root end in one line must be finished the insulation engineering, it is to have the guide pin horizontal synchronization coiling of CNC device to carry out the winding engineering of magnetizing coil with three guide pins, is approximately 80% with higher coil fill-in ratio after reaching the stator department combination; The winding engineering of above-described two kinds of winding displacements in upright arrangement has a common phenomenon, all must use the machinery that the CNC device is arranged, excitatory lead also passes and is twined by the CNC mechanical guiding via coiling guide pin endoporus, sums up above-mentioned coiling engineering and has caused problem what follows:

1, the waste of stator department silicon steel material will be very considerable than the silicon steel material cost of its one-piece stator portion of motor of high-power and the expense of die manufacturing cost.

2, wheel-drum motor is when being applied to vehicle, and its Drive and Control Circuit is installed on motor when outside, the problem of guide wire length distance between its control and circuit for detecting Chang Yin and the motor and the wild effect that causes overall system control to be subject to disturb.

3, the installation site of Drive and Control Circuit also is the problem of a headache, because must consider wheel-drum motor (as electric bicycle) and the guide wire path therebetween and the problem of overall appearance.

4, because of being that high precision CNC controls, the precision and the manufacturing cost of the tool that therefore winds the line will improve.

5, because of being that high precision CNC controls the degree of difficulty height, so operating personnel's quality must improve, and thereby causes and be difficult for cultivating and the raising of salary cost.

6, the big young pathbreaker of thickness in coiling line footpath is subjected to mechanical constraint, causes the cost of plant equipment to roll up.

7, the machinery threading speed too slow (60-800rpm) of controlling the coiling guide pin will cause production efficiency too low.

8, because of being its equipment investment cost of CNC precise winding machine tool very high (1 about yen 6,000,000 one 1,000 ten thousand circle of coiling machinery), so the manufacturing cost that motor is arrived in indirect reaction will improve.

The purpose of this utility model provides a kind of inner stator (two) that can directly drive wheel-drum motor.This inner stator can reduce the coiling machine cost, production efficiency is improved, and can produce the hub type external-rotor motor of high running efficiency and high mechanical structure intensity simultaneously.This structure can solve the installation of circuit and the problem that circuit disturbs.

To achieve these goals, the utility model adopts following design: this inner stator (two) that can directly drive wheel-drum motor includes:

The internal stator ring portion is to be material and with the moulding of punching press stack with the magnetic conduction silicon steel sheet, and it is therebetween built-in for Drive and Control Circuit that interior ring end forms the hollow space of a maximum, and the ring portion circumference should be provided with a plurality of location holes for the usefulness of location combination;

Plural number increment face is the stator teeth of arcuation face, is to be material and with the moulding of punching press stack with the magnetic conduction silicon steel sheet, and its arcuation increment face is the circumference of corresponding external rotor and keeps certain air gap, and stator teeth is the suitable combination of outer shroud end with the internal stator ring portion;

A plurality of I types insulation wire casing seats are the magnetizing coil end but its vertically vertical styletable provides winding around, within the vertical styletable in the vacancy provide one and the tooth root end of stator teeth each other correspondence agree with and the wire casing seat hollow end that can wear, break away from for stator teeth;

The magnetizing coil fixed head, the plural number that its nearly outer rim place is provided with for wire casing seat upper and lower end props up the location hole that guid needle wears location usefulness, fixed head also is provided with the end of a thread, the line tail welding conducting for the coil that is wound in a plurality of wire casing seats, and is concatenated into a plurality of Copper Foil perforations in a complete motor stator magnetizing coil loop with the Copper Foil of fixed head and lead;

Stator ring portion end casing, its nearly outer rim place should corresponding internal stator ring portion interior ring end and be shaped a flange and cover be placed on track ring portion on, following both ends of the surface, the location through hole of the outer circumference of flange and corresponding stator ring portion and a plurality of end casing location holes are set, on, lower end cover plate location hole also should be sandwiched in stator ring portion lid through the location of corresponding stator ring portion through hole and wherein be formed with a hollow space and can supply the Drive and Control Circuit plate wherein built-in, the flange inner circumference should be provided with and can lock on it for the Drive and Control Circuit plate, and magnetizing coil fixed head and the Drive and Control Circuit plate a plurality of end casing perforations that run through conducting of signal circuit between the two are provided, the center-side of two end cover plate should corresponding motor rotor and urgent being engaged in wherein of back shaft of the concentric one-tenth one concentric aperture confession wheel-drum motor of stator; And

The back shaft of wheel-drum motor, be in the urgent concentric aperture that is engaged in end casing, its cover plate of outer casing that protrudes from wheel-drum motor partly supplies the fixed support usefulness of wheel-drum motor, and its axle center and axle side must be provided with at least more than one can provide drive control signal lead in the internal stator ring portion to run through wherein through hole for the usefulness of the connection operation of inside and outside control signal of motor.

Because the problem of traditional wheel-drum motor, therefore with the amplification of the aperture of the inner circular part position of traditional inner stator with amplitude peak, the magnetic conduction space that circulates in the inner circular part position because of motor magnetic line of force when the excitation effect is little, therefore unnecessary space is not only significantly saved permeability magnetic material because of the joining technique that inlays of the utility model internal stator ring portion, the space that saves simultaneously also can be for the built-in usefulness of motor driving control circuit, and then solve the installation of this circuit and the problem that circuit disturbs, above-mentioned is the proof that serves multiple; Further in view of the coiling engineering of known motor, as adopt winding displacement in upright arrangement and improved the fill-in ratio of magnetizing coil in the wire casing, therefore improved effective running efficiency of motor, but also therefore make the mechanical cost of investment of whole coiling significantly increase, and coiling production efficiency becomes very low, so that indirect reaction will improve to the production cost unit price of each motor, do not meet the economies of mass production benefit, the inner stator (two) that the utility model can directly drive wheel-drum motor is controlled the coiling guide pin with CNC machinery and is carried out the mode that winding displacement in upright arrangement twines magnetizing coil and exclude fully, also reduce the expensive cost of coiling machinery, and disproportionate low production efficiency is fallen in solution, can directly drive the inner stator (two) of wheel-drum motor relevant for the utility model, be that equal angles breaks away from according to the wire casing number from inner stator outer shroud end with the tooth root end of stator slot, the width maximum of the tooth root tail end after the disengaging can not be greater than the tooth root end, also must build a correspondence and can inlay binding end each other in the outer shroud end of tooth root tail end and inner stator, therefore outside the insulation wire casing seat of internal stator tooth root end can form in advance, and can also have the coiling manufacturing engineering of high efficiency concurrently with the cost investment that the drum-type coiling plant equipment of twining transformer is carried out low price, in the hope of reducing the expensive equipment investment of aforementioned coiling machinery significantly, further also connect the mode of coiling (as Fig. 4 A-H with coaxial because of the coiling mechanical energy of twining transformer more, shown in Figure 5) carry out height revolution (rpm) speed and twine magnetizing coil on insulation wire casing seat, this promptly represents the raising that can significantly make progress of coiling production efficiency, integral body can be carried out the manufacturing of motor high efficiency with the coaxial transformer coiling manufacturing technologies that connect Wound-rotor type because of the utility model more, and can produce the hub type external-rotor motor of high running efficiency and high mechanical structure intensity simultaneously.

The utility model is described in further detail below in conjunction with accompanying drawing.

Figure 1A-E is a known wheel drum-type external-rotor motor combination schematic diagram

Fig. 2 A-D is the hub type external-rotor motor combination schematic diagram of the utility model second embodiment

Fig. 3 A-G is the floor map of the various inner stator of the utility model

Fig. 4 A-H is a drum-type coiling manufacturing engineering schematic diagram

Fig. 5 is the coaxial drum-type coiling manufacturing engineering schematic diagram that connects more

Fig. 6 A-G is the inner stator combination schematic diagram of the utility model second embodiment

Fig. 7 A-C is the combination schematic diagram of the utility model second embodiment inner stator and upper and lower circuit board

Fig. 8 A-C is the utility model second embodiment and built-in Drive and Control Circuit combination schematic diagram

Fig. 9 A-F is the generalized section of the various two-way back shaft of the utility model

Figure 10 A-D is two-way back shaft of the utility model and wheel drum coating combination schematic diagram

Figure 11 A-F is the generalized section of the various unidirectional back shaft of the utility model

Figure 12 A-D is unidirectional back shaft of the utility model and wheel drum coating combination signal

Shown in Figure 1A-E, known wheel drum-type external-rotor motor includes: outer rotor magnet 61, magnet yoke circle 611, rotor case 612, cover plate of outer casing 613, bearing 614, internal stator 71 and axle core 711 etc.Shown in Fig. 2 A to Figure 12 D, this inner stator 10 that can directly drive wheel-drum motor is that the inner stator with the moulding of traditional silicon steel disc punching press stack is decomposed into and has a plurality of internal stator ring portions 211 of inlaying groove, internal stator tooth portion 31 and magnetizing coil wire casing seat 41, wire casing seat 41 is inserted in stator teeth 31 wherein behind indivedual winding magnetizing coils 412 again, and corresponding inlaying in a plurality of internal stator ring portion unit 216 inlayed the outer shroud end 212 of synthetic internal stator ring portion 211, the guid needle 419 of wire casing seat 41 and last, following magnetizing coil fixed head 51 positioning combination, and with the end of a thread of individual body coil, line tail 421 is welded in respectively, bottom plate 51 and be concatenated into complete magnetizing coil portion, internal stator the ring portion 211 and interior circular hole of a hollow is arranged wherein, two internal stator ring portion cover plates 220 also are covered in the both ends of the surface of internal stator ring portion 211, the internal stator ring portion 211 that hollow space is arranged after capping is built-in Drive and Control Circuit 514,515 in wherein, the center-side of cover plate 220 is shaped a concentric aperture 230 for back shaft 221 urgent being engaged in wherein, and these are 221 and at least more than one perforation 222 is provided years old, 223 supply the drive control signal lead to run through wherein thinks in the motor, the connection of external control signal is controlled.

Shown in Fig. 2 A to Figure 12 D, the inner stator 10 that can directly drive wheel-drum motor of the present utility model includes: internal stator ring portion 211 is (as Fig. 3 A, shown in the B), be to be material and with the moulding of punching press stack with the magnetic conduction silicon steel sheet, its outer shroud end 212 is divided into a plurality of grooves 213 that inlay of a plurality of isometric circle week angle also inside ring end 227 directions depressions according to the stator number of teeth, these inside groove 214 width that inlay groove 213 must be greater than notch 215 width that inlay groove 213, interior ring end 227 forms hollow spaces can be therebetween built-in for Drive and Control Circuit, and the ring portion circumference should be provided with a plurality of location holes 226 that run through for the usefulness of locating combination; As Fig. 3 A-E, shown in Fig. 6 A-G, a plural number increment face 311 is the stator teeth 31 of arcuation face, be to be material and with the moulding of punching press stack with the magnetic conduction silicon steel sheet, its arcuation increment face 311 is circumference of corresponding external rotor and keeps certain air gap, the end of the tooth root end 312 tooth root tail end 313 that stretches out in addition, inner end 314 width of this tooth root tail end 313 must be less than outer end 315 width of tooth root tail end 313, and inlay groove 213 corresponding moulding with the outer shroud end 212 of internal stator ring portion 211, both and close each other inlaying in conjunction with 219, outer end 315 Breadth Maximums of tooth root tail end 313 must not be greater than the width of tooth root end 312; As Fig. 4 A-H, Fig. 5, shown in Fig. 6 A-G, a plurality of I type insulation wire casing seats 41, it is magnetizing coil end 412 that but its vertically vertical styletable 411 provides winding around, in within the vertical styletable 411 vacancy provide one and the tooth root end 312 of stator teeth 31 each other correspondence agree with, and the wire casing seat hollow end 413 that can supply stator teeth 31 to wear or break away from, before horizontal in addition, back two upright end faces 414,415, back side end 316 of arcuation increment face 311 after upright end face 414 provides stator teeth 31 to wear before it is abutted against and closes, the upright end face 415 in back provides outer shroud end 212 faces of internal stator ring portion 211 to be abutted against and closes, on this preceding upright end face 414, lower end 416,417 set up guide hole 418 and supply guid needle 419 to plant in wherein also protruding; Shown in Fig. 7 A-C, magnetizing coil fixed head 51, it is copper foil circuit board, its nearly outer rim place is provided with location hole 511 and props up guid needle 419 for the plural number of wire casing seat upper and lower ends and wear the location and use, this fixed head 51 also provides a plurality of Copper Foil perforations 512 the end of a thread for the coil that is wound in a plurality of wire casing seats 41, the 421 welding conductings of line tail, and is concatenated into a complete motor stator magnetizing coil loop with the Copper Foil 513 and the lead of fixed head 51; As Fig. 7 A-C, Fig. 8 A-C, shown in Fig. 9 A-F, stator ring portion end casing 220, it is metallic plate, its nearly outer rim place should corresponding internal stator ring portion 211 interior ring end 227 and be shaped a flange 229 and cover be placed on track ring portion 211 on, following both ends of the surface, the location hole 226 of the outer circumference of flange 229 and corresponding stator ring portion 211 and a plurality of end casing location holes 228 are set, on, lower end cover plate location hole 228 is through the location hole 226 of corresponding internal stator ring portion 211 and internal stator ring portion 211 lids should be sandwiched in and wherein be formed with a hollow space and can supply Drive and Control Circuit plate 514,515 is wherein built-in, the inside circumference of flange 229 should be provided with a plurality of end casing perforations 225 for Drive and Control Circuit plate 514,515 the locking its on, and provide magnetizing coil fixed head 51 and Drive and Control Circuit plate 514,515 between the two signal circuit run through conducting, the center-side of two end cover plate 220 should corresponding motor rotor and back shaft 221 urgent being engaged in wherein of the concentric one-tenth one concentric aperture 230 confession wheel-drum motors of stator; As Fig. 8 A-C, Fig. 9 A-F, shown in Figure 10 A-D, the back shaft 221 of wheel-drum motor is in the urgent concentric aperture 230 that is engaged in end casing 220, its cover plate of outer casing 613 parts that protrude from wheel-drum motor are used for the fixed support of wheel-drum motor, its axle center and axle side must be provided with more than one at least through hole 222,223,224 provide the drive control signal lead in the internal stator ring portion 211 to run through wherein in the motor, the usefulness of the connection operation of external control signal, as Fig. 9 A-F, shown in Figure 10 A-D, bearing 614, its internal diameter is the both sides that are socketed on back shaft 221, the external diameter of bearing 614 then socket external rotor portion and make external rotor portion via this bearing 614 corresponding back shaft 221 running rotate (shown in Figure 10 C).

The inner stator 10 that can directly drive wheel-drum motor provided by the utility model, shown in Fig. 3 A-G, Fig. 6 A-D, wherein internal stator ring portion 211 can resolve into a plurality of units equal portions 216, the left and right two ends of per unit equal portions 216 all with the left and right two ends of adjacent unit equal portions 216, splice end 217,218 corresponding moulding with the concave, convex shape also can be close in conjunction with 219 for inlaying each other, but be combined into a complete internal stator ring portion 211 with the combination that can not adjust angle and can not break away from.

The inner stator 10 that can directly drive wheel-drum motor provided by the utility model, wherein internal stator ring portion 211 can resolve into a plurality of units equal portions 216, the left and right two ends of per unit equal portions 216 all with the left and right two ends of adjacent unit equal portions 216, with splice end 217, the 218 corresponding moulding and can closing of concave, convex shape, but be combined into a complete internal stator ring portion 211 can not adjust angle and departing combination for splicing each other.

The inner stator 10 that can directly drive wheel-drum motor provided by the utility model, shown in Fig. 3 E, wherein internal stator ring portion 211 is integrally formed with internal stator tooth portion 31, the wire casing space directly is wound in wherein for magnetizing coil after insulation is handled.

The inner stator 10 that can directly drive wheel-drum motor provided by the utility model, wherein I type tooth portion wire casing seat 41 can be vertically therefrom one be divided into two left and right independent individuals 420 (shown in Fig. 4 A), these two independent individuals 420 must be in correspondence with each other and moulding separately, can be combined into a complete I type tooth portion wire casing seat 41 after left and right independent individual 420 merges.

The inner stator 10 that can directly drive wheel-drum motor provided by the utility model, wherein being wrapped in the end of a thread of magnetizing coil on the I type tooth portion wire casing seat 41 and line tail 421 is to twine the guid needle 419 that is welded in wire casing seat 41 upper and lower ends, and the conducting of Copper Foil lines is welded into a complete motor stator magnetizing coil road via guid needle 419 and on the fixed head 51.

The inner stator 10 that can directly drive wheel-drum motor provided by the utility model, shown in Fig. 6 A-G, Fig. 7 A-C, the end of a thread and the line tail 421 that wherein are wrapped in magnetizing coil on the I type tooth portion wire casing seat 41 are the copper platinum holes 512 that are directly welded on the fixed head 51, and are welded into a complete motor stator magnetizing coil loop via conductive line 513 conductings.

The inner stator 10 that can directly drive wheel-drum motor provided by the utility model, wherein magnetizing coil 412 is that mode with winding displacement in upright arrangement is wound in I type tooth portion line seat 41.

The inner stator 10 that can directly drive wheel-drum motor provided by the utility model, wherein magnetizing coil 412 is that mode with non-winding displacement in upright arrangement is wound in I type tooth portion wire casing seat 41.

The inner stator 10 that can directly drive wheel-drum motor provided by the utility model, wherein one end only is provided is fixed support (shown in Figure 11 A-F, Figure 12 A-D) to the back shaft 221 of wheel-drum motor.

The inner stator 10 that can directly drive wheel-drum motor provided by the utility model, wherein Drive and Control Circuit only partly circuit structure be installed on the inner hollow of internal stator ring portion 211.

The inner stator 10 that can directly drive wheel-drum motor provided by the utility model, wherein whole circuit structures end of Drive and Control Circuit is installed on the inner hollow of internal stator ring portion.

In sum, the utility model can reduce the coiling machine cost, production efficiency is improved, and can produce the hub type external-rotor motor of high running efficiency and high mechanical structure intensity simultaneously.This structure can solve the installation of circuit and the problem that circuit disturbs.

The above only is a preferable possible embodiments of the present utility model, be not so inflexible limit claim of the present utility model, so the equivalent structure that all utilization the utility model specifications and accompanying drawing content are done changes, and all in like manner all is contained in the scope of the present utility model, closes and gives Chen Ming.

Claims

1, a kind of inner stator (two) that can directly drive wheel-drum motor is characterized in that it includes:

2, the inner stator (two) that can directly drive wheel-drum motor according to claim 1, it is characterized in that: described internal stator ring portion outer shroud end is divided into a plurality of grooves that inlay of a plurality of isometric circle week angle also inside ring extreme direction depressions according to the stator number of teeth, and these interior well widths that inlay groove must be greater than the width of rebate that inlays groove; The end of the stator teeth tooth root end tooth root tail end that stretches out, the inner end width of this tooth root tail end must be less than the outer end width of tooth root tail end, and inlay the corresponding moulding of groove with the outer shroud end of internal stator ring portion, both also closely each other inlay combination, and the outer end Breadth Maximum of tooth root tail end must not be greater than the width of tooth root end.

3, the inner stator (two) that can directly drive wheel-drum motor according to claim 1, it is characterized in that: described internal stator ring portion is integrally formed with internal stator tooth portion, the wire casing space directly is wound in wherein for magnetizing coil after insulation is handled.

4, the inner stator (two) that can directly drive wheel-drum motor according to claim 1, it is characterized in that: described the end of a thread that is wrapped in magnetizing coil on the I type tooth portion wire casing seat and line tail are to twine the guid needle that is welded in wire casing seat upper and lower end, and the conducting of Copper Foil lines is welded into a complete motor stator magnetizing coil road via guid needle and on the fixed head.

5, the inner stator (two) that can directly drive wheel-drum motor according to claim 1 is characterized in that: described Drive and Control Circuit only partly circuit structure be installed on the inner hollow of internal stator ring portion.

6, the inner stator (two) that can directly drive wheel-drum motor according to claim 1, it is characterized in that: whole circuit structures end of described Drive and Control Circuit is installed on the inner hollow of internal stator ring portion.

7, the inner stator (two) that can directly drive wheel-drum motor according to claim 1, it is characterized in that: it is fixed support that the back shaft of described wheel-drum motor only provides an end.