CN101741200A - Claw-pole motor - Google Patents
Claw-pole motor Download PDFInfo
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- CN101741200A CN101741200A CN201010106667A CN201010106667A CN101741200A CN 101741200 A CN101741200 A CN 101741200A CN 201010106667 A CN201010106667 A CN 201010106667A CN 201010106667 A CN201010106667 A CN 201010106667A CN 101741200 A CN101741200 A CN 101741200A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 115
- 239000010959 steel Substances 0.000 claims abstract description 115
- 230000005611 electricity Effects 0.000 claims description 93
- 238000005516 engineering process Methods 0.000 claims description 10
- 239000000696 magnetic material Substances 0.000 claims description 7
- 210000001364 upper extremity Anatomy 0.000 claims description 6
- 230000007306 turnover Effects 0.000 claims description 4
- 229920000297 Rayon Polymers 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 2
- 210000000078 claw Anatomy 0.000 abstract 3
- 238000003754 machining Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000004907 flux Effects 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The invention discloses a claw-pole motor, which comprises a rotor and a stator. The rotor of the claw-pole motor comprises a driving end claw pole, an electric end claw pole, a magnetic steel assembly, a magnet yoke coil and a magnet yoke die core, wherein the whole magnet yoke die core is used as an independent component, and the magnet yoke die core and the claw poles are assembled together. By adopting the claw-pole motor of the invention, because the air gap produced by the accessory assembly joints inside the rotor is in the radial direction, the size of the secondary air gap caused by a manufacturing process is reduced so as to reduce the magnetic potential drop and magnetic resistance and improve the performance of the claw-pole motor. Moreover, the invention discloses the claw-pole motor assembled by multiple structural compositions so as to simplify the machining and assembly processes of the claw-pole motor.
Description
Technical field
The present invention relates to motor technology, particularly relate to a kind of claw-pole motor.
Background technology
Motor is widely used in fields such as industry, household electrical appliances, automobile as being the driving arrangement of mechanical energy output with transformation of electrical energy.Wherein, claw-pole motor hangs down and advantages such as drive circuit is simple owing to having infrastructure cost, has widely at automotive field and uses.
Traditional claw-pole motor is made up of rotor and stator, and the gap that exists between rotor and the stator is called first air gap.Fig. 1 is the accessory structure chart of the rotor of traditional claw-pole motor.As shown in Figure 1, the rotor of tradition claw-pole motor comprises: drive the end pawl utmost point 11, magnet steel assembly 12, yoke coil 13, the electricity end pawl utmost point 14, drive end yoke core rod 151 and electricity end yoke core rod 152, wherein, driving end yoke core rod 151 is one with driving the end pawl utmost point 11, when manufacturing, drive end yoke core rod 151 and drive the end pawl utmost point 11 as same parts co-manufactured; Electricity end yoke core rod 152 is an one with the electric end pawl utmost point 14, and when manufacturing, the electricity end yoke core rod 152 and the electricity end pawl utmost point 14 are as same parts co-manufactured.When the above-mentioned parts of traditional claw-pole motor rotor are assembled together, drive the end pawl utmost point 11, magnet steel assembly 12, yoke coil 13, the electricity end pawl utmost point 14, drive and hold yoke core rod 151 to have identical central shaft with electricity end yoke core rod 152, drive end yoke core rod 151 and electricity and hold yoke core rod 152 to be positioned at yoke coil 13 inside, drive end yoke core rod 151 and the yoke core rod of electricity end yoke core rod 152 merging backs as yoke coil 13.The direction of central shaft is an axial direction, with the direction of orthogonality of center shaft for radially, in embodiment as shown in Figure 1, axial direction is a horizontal direction.
Fig. 2 is the magnetic flux schematic diagram of the rotor of traditional claw-pole motor, after will driving the end pawl utmost point 11, magnet steel assembly 12, yoke coil 13, the electricity end pawl utmost point 14, driving end yoke core rod 151 and electricity end yoke core rod 152 and assemble, driving end yoke core rod 151 gap of merging place generation with electricity end yoke core rod 152, promptly, it is labeled as L1 because accessory assembling seam produces air gap.As shown in Figure 2, be positioned at axial direction owing to drive end yoke core rod 151 with air gap L1 between the electricity end yoke core rod 152, so the magnetic line of force in the rotor is behind process air gap L1, magnetic flux phi reduces.Hold the air gap L1 between the yoke core rod 152 to cause tangible magnetic pressure to fall owing to drive end yoke core rod 151 with electricity, thereby reduced the performances such as moment of torsion, power, rotating speed of claw-pole motor.
Summary of the invention
The invention provides a kind of claw-pole motor, be intended to improve motor performance.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention discloses a kind of claw-pole motor, comprise rotor and stator, described rotor comprises: drive the end pawl utmost point, the electricity end pawl utmost point, magnet steel assembly, yoke coil and yoke core rod;
Described yoke core rod is independently parts;
Described magnetic inversion line snare is in described yoke core rod outside, and the two ends of yoke core rod hold the pawl utmost point to be assembled together with driving the end pawl utmost point and electricity respectively, and the magnet steel assembly is held in the mouth to be driven between the end pawl utmost point and the electricity end pawl utmost point.
Described yoke core rod comprises two first positioning keys that lay respectively at yoke core rod two ends, driving the end pawl utmost point and electricity holds the pawl utmost point respectively to comprise one first location notch, first positioning key that yoke core rod correspondence is driven the end pawl utmost point one end embeds in first location notch that drives the end pawl utmost point, and first positioning key of the corresponding electricity end of the yoke core rod pawl utmost point one end embeds in first location notch of the electricity end pawl utmost point;
Or,
Described yoke core rod comprises two pin holes that lay respectively at yoke core rod two ends, driving the end pawl utmost point and electricity holds the pawl utmost point respectively to comprise a pin hole, the pin hole that yoke core rod correspondence is driven the end pawl utmost point one end by pin with drive the pin hole that the end pawl extremely goes up and link to each other, and hold the pin hole of the pawl utmost point one end to link to each other the corresponding electricity of yoke core rod with the pin hole that electricity end pawl is extremely gone up;
Or,
Described yoke core rod comprises two first positioning keys that lay respectively at yoke core rod both sides and two pin holes that lay respectively at yoke core rod both sides, driving the end pawl utmost point and electricity holds the pawl utmost point to include one first location notch and a pin hole, first positioning key that yoke core rod correspondence is driven the end pawl utmost point one end embeds in first location notch that drives the end pawl utmost point, and the pin hole that yoke core rod correspondence is driven the end pawl utmost point one side by pin with drive the pin hole that the end pawl extremely goes up and link to each other, first positioning key of the corresponding electricity end of the yoke core rod pawl utmost point one end embeds in first location notch of the electricity end pawl utmost point, and links to each other with the pin hole that electricity end pawl is extremely gone up by the pin hole of pin with the corresponding electricity end of the yoke core rod pawl utmost point one side;
Or,
The two ends of yoke core rod are adopted interference fit technology respectively and are driven the end pawl utmost point and are assembled together with the electricity end pawl utmost point;
Or,
The two ends of yoke core rod are adopted viscose glue respectively and are driven the end pawl utmost point and are assembled together with the electricity end pawl utmost point.
The described outer surface that drives the end pawl utmost point and the electricity end pawl utmost point has fluting.
Described fluting is thread groove, dovetail groove, straight trough or skewed slot.
Described each single pawl that drives the end pawl utmost point and the electricity end pawl utmost point is asymmetrical truncated rectangular pyramids.
The described edge up and down that drives each single pawl of the end pawl utmost point and the electricity end pawl utmost point has the magnet steel groove respectively;
Described magnet steel assembly is made up of the polylith magnet steel, wherein magnet steel is embedded between the magnet steel groove of lower edge of a single pawl of the magnet steel groove of upper limb of a single pawl that drives the end pawl utmost point and the electricity end pawl utmost point, or wherein magnet steel is embedded between the magnet steel groove of upper limb of a single pawl of the magnet steel groove of lower edge of a single pawl that drives the end pawl utmost point and the electricity end pawl utmost point.
Described magnet steel groove is two sided groove or single side face groove.
Described magnet steel groove comprises first and second portion, and the degree of depth of the first of magnet steel groove upwards changes according to first angle, and the degree of depth of the second portion of magnet steel groove changes according to the direction of rotation of second angle along rotor.
Described magnet steel assembly is made up of the polylith magnet steel, and each piece magnet steel comprises: magnet steel body and magnet steel guard member, described magnet steel guard member are wrapped in the outer side surface that does not have magnetic line of force turnover of magnet steel body;
Described magnet steel guard member adopts mechanical strength to be higher than the non-magnetic material or the magnetic material of set point.
Described stator comprises: drive end end cap, field frame assembly and electricity end end cap;
The two ends of described field frame assembly respectively with drive the end end cap and electricity end end cap is assembled together;
Described rotor is positioned at described field frame assembly inside;
Described field frame assembly comprises one or more second axial positioning keys, drive the end end cap and respectively comprise axial second location notch identical with the second positioning key quantity with electricity end end cap, described each second positioning key, one side embeds in second location notch that drives the end end cap, and opposite side embeds in second location notch of electricity end end cap.
By the foregoing invention content as seen, in the rotor of claw-pole motor of the present invention, with yoke core rod and these two isolation of components of the pawl utmost point, whole yoke core rod is as parts independently, and the yoke core rod and the pawl utmost point are assembled together, thereby make axial direction not exist because the air gap that accessory assembling seam produces, in the rotor of claw-pole motor of the present invention, because the air gap that accessory assembling seam produces is positioned at radial direction, thereby reduced because the size that the magnetic pressure of the air gap that accessory assembling seam produces is fallen, reduce magnetic resistance, improved the claw-pole motor performance.
Description of drawings
Fig. 1 is the accessory structure chart of the rotor of traditional claw-pole motor;
Fig. 2 is the magnetic flux schematic diagram of the rotor of traditional claw-pole motor;
Fig. 3 is the accessory structure chart of the rotor of embodiment of the invention claw-pole motor;
Fig. 4 is the schematic diagram of yoke core rod of the rotor of embodiment of the invention claw-pole motor;
Fig. 5 is the magnetic flux schematic diagram of the rotor of embodiment of the invention claw-pole motor;
Fig. 6 is the pawl utmost point outer surface fluting schematic diagram of embodiment of the invention claw-pole motor;
Fig. 7 is the pawl utmost point schematic diagram of embodiment of the invention claw-pole motor;
Fig. 8 is the magnet steel groove schematic diagram of the pawl utmost point of embodiment of the invention claw-pole motor;
Fig. 9 is the schematic diagram of monolithic magnet steel of the magnet steel assembly of embodiment of the invention claw-pole motor;
Figure 10 is the accessory structure chart of the stator of embodiment of the invention claw-pole motor;
Figure 11 is the end cap and the field frame assembly assembling schematic diagram of embodiment of the invention claw-pole motor;
Figure 12 is the field frame assembly structural representation of embodiment of the invention claw-pole motor.
Embodiment
In order to make the purpose, technical solutions and advantages of the present invention clearer, describe the present invention below in conjunction with the drawings and specific embodiments.
Basic thought of the present invention is: in the rotor of claw-pole motor, the yoke core rod is separated with the pawl utmost point, and the yoke core rod no longer is divided into two parts as traditional claw-pole motor, but with whole yoke core rod as parts independently, the yoke core rod and the pawl utmost point are assembled together, thereby make axial direction not exist because the air gap that accessory assembling seam produces, in the rotor of claw-pole motor of the present invention, because the air gap that accessory assembling seam produces is positioned at radial direction, thereby reduced because the magnetic pressure that the air gap that accessory assembling seam produces causes is fallen, reduce magnetic resistance, improved the claw-pole motor performance.
Claw-pole motor in the embodiment of the invention also is made up of rotor and stator, for improving the claw-pole motor performance, rotor structure is improved, to avoid producing the air gap that causes owing to accessory assembling seam at axial direction.Fig. 3 is the accessory structure chart of the rotor of embodiment of the invention claw-pole motor, and as shown in Figure 3, the rotor of embodiment of the invention claw-pole motor comprises: drive the end pawl utmost point 31, magnet steel assembly 32, yoke coil 33, the electricity end pawl utmost point 34 and yoke core rod 35.Wherein, yoke coil 33 is enclosed within yoke core rod 35 outsides, the two ends of yoke core rod 35 respectively with drive the end pawl utmost point 31 and the electricity end pawl utmost point 34 is assembled together, magnet steel assembly 32 is being driven between the end pawl utmost point 31 and the electricity end pawl utmost point 34 by rank.
Fig. 4 is the schematic diagram of yoke core rod 35 of the rotor of embodiment of the invention claw-pole motor, and left side figure is the stereogram of yoke core rod 35 among Fig. 4, and right side figure is the front view of yoke core rod 35.As shown in Figure 4, the yoke core rod 35 of the rotor of embodiment of the invention claw-pole motor can separate with the pawl utmost point, is an independently whole accessory.Yoke core rod 35 can select for use multiple permeability magnetic material to make, and for example can adopt pure iron DT4 or grade of steel less than 10 carbon steel.
Fig. 5 is the magnetic flux schematic diagram of the rotor of embodiment of the invention claw-pole motor, referring to Fig. 5, internal rotor after assembling, because yoke core rod 35 is an independent global facility, rather than the yoke core rod is formed by two parts butt joint as traditional claw-pole motor, therefore the inherent axial direction of the rotor of embodiment of the invention claw-pole motor does not exist because the air gap that accessory assembling seam produces, thereby the magnetic line of force can all pass through when passing yoke, thereby has improved the performance of claw-pole motor.And, since with the two ends of yoke core rod 35 respectively with drive the end pawl utmost point 31 and the electricity end pawl utmost point 34 is assembled together, therefore the seam crossing in assembling can produce air gap, as shown in Figure 5, it is labeled as L3, the rotor structure that adopts the embodiment of the invention to propose is because the air gap L3 that accessory assembling seam produces is positioned at radial direction.
For guaranteeing that yoke core rod 35 is assembled together with the electricity end pawl utmost point 34 securely with driving the end pawl utmost point 31 respectively, can take multiple fit.In embodiments of the present invention, be example only with a kind of fit wherein.Referring to Fig. 3, on yoke core rod 35, both sides respectively exist one first positioning key 351 and a pin hole 352, are driving on the axle of holding the pawl utmost point 31 and the electricity end pawl utmost point 34, and each exists one and first positioning key, 351 corresponding first location notchs and one and pin hole 352 corresponding pin holes.With the dress distribution end pawl utmost point 34 and yoke core rod 35 is example, first positioning key 351 of the corresponding electricity end pawl utmost point 34 1 ends on the yoke core rod 35 is embedded in first location notch of the electricity end pawl utmost point 34, and corresponding electricity on the yoke core rod 35 is held the pin hole 352 of the pawl utmost point 34 1 ends hold the pin hole on the pawl utmost point 34 to align with electricity, by pin two pin holes are coupled together.The method that the end pawl utmost point 31 and yoke core rod 35 are driven in assembling is identical with the method for the above-mentioned dress distribution end pawl utmost point 34 and yoke core rod 35, does not repeat them here.To yoke core rod 35 when driving the end pawl utmost point 31 and the electricity end pawl utmost point 34 and assemble, can also take other fit, for example, can only adopt first positioning key and first location notch to embed assembles, perhaps only adopt pin to assemble, perhaps, can also adopt interference fit technology commonly used in the prior art or adopt viscose glue to assemble, stably be assembled together with the electricity end pawl utmost point 34 as long as can and drive the end pawl utmost point 31 with yoke core rod 35.
In the present invention, because yoke core rod 35 is an independent global facility, thereby avoided producing axial air gap, thereby improved the performance of claw-pole motor owing to the generation of accessory assembling seam.On this basis, the embodiment of the invention also proposes following improvement, to improve the performance of claw-pole motor further.
Because all metallic conductors of motor its inside when energising all can produce eddy current, the eddy current that is produced causes iron loss, thereby has reduced performances such as Motor torque, rotating speed, power.Embodiment of the invention proposition is slotted to reduce eddy current on the outer surface that drives the end pawl utmost point 31 and the electricity end pawl utmost point 34 of claw-pole motor.Fig. 6 is the pawl utmost point outer surface fluting schematic diagram of embodiment of the invention claw-pole motor.As shown in Figure 6, with drive in the end pawl utmost point 31 and the electricity end pawl utmost point 34 any one be example, on the outer surface of this pawl utmost point, have fluting, this fluting can be thread groove, dovetail groove, straight trough or skewed slot.Only example among Fig. 6 with the dovetail groove.
Fig. 7 is the pawl utmost point schematic diagram of embodiment of the invention claw-pole motor, and left side figure is the front view of this pawl utmost point, and right figure is the stereogram of this pawl utmost point.As shown in Figure 7, with drive in the end pawl utmost point 31 and the electricity end pawl utmost point 34 any one be example, the single pawl of each of this pawl utmost point is asymmetrical truncated rectangular pyramids, that is: single pawl is the asymmetric shape in the left and right sides, the side that single pawl links to each other with the pawl pole axis is thicker, one side of stretching out to far-end is thinner, and the gradient of the upper surface of single pawl and lower surface is different.The pawl utmost point of claw-pole motor adopts asymmetric single pawl, can reduce torque Wen Bo when machine operation, thereby improves motor performance.
When machine operation, drive the end pawl utmost point 31 and the electricity end pawl utmost point 34 ranks and live magnet steel assembly 32 and be rotated, owing to can produce centrifugal force in the rotary course, therefore magnet steel assembly 32 might be held to break away between the pawl utmost point 34 with electricity and throw away from driving the end pawl utmost point 31 when high speed rotating.For preventing that magnet steel assembly 32 from throwing away, the embodiment of the invention proposes the magnet steel groove to be set at pawl on extremely.Fig. 8 is the magnet steel groove schematic diagram of the pawl utmost point of embodiment of the invention claw-pole motor.As shown in Figure 8, lower edge is provided with magnet steel groove 311 on each the single pawl that drives the end pawl utmost point 31 and the electricity end pawl utmost point 34, when magnet steel assembly 32 outwards departs from because of centrifugal force, magnet steel assembly 32 is blocked by magnet steel groove 311, thereby has prevented that magnet steel assembly 32 from throwing away from driving to break away between the end pawl utmost point 31 and the electricity end pawl utmost point 34.Magnet steel assembly 32 is made up of the magnet steel of polylith monolithic, wherein each piece magnet steel is embedded between the magnet steel groove 311 of lower edge of a single pawl of the magnet steel groove 311 of upper limb of a single pawl that drives the end pawl utmost point 31 and the electricity end pawl utmost point 34, or a magnet steel in the magnet steel assembly 32 is embedded between the magnet steel groove 311 of upper limb of a single pawl of the magnet steel groove 311 of lower edge of a single pawl that drives the end pawl utmost point 31 and the electricity end pawl utmost point 34.
This magnet steel groove 311 can be a complete groove, and promptly this groove is the two sided groove, has two sided, and a magnet steel in the magnet steel assembly 32 is clipped between two sides of magnet steel groove 311.Perhaps, this magnet steel groove 311 can be one and half grooves, promptly this groove is the single side face groove, only has a side, one side of a magnet steel in the magnet steel assembly 32 and the contacts side surfaces of magnet steel groove 311, the opposite side of this magnet steel contacts with yoke coil 33, and the side of magnet steel groove 311 is pressed in magnet steel on the yoke coil 33.The shape of this magnet steel groove 311 is made up of two parts, the degree of depth of first's magnet steel groove 311 upwards changes according to first angle, the degree of depth of second portion magnet steel groove 311 changes according to the direction of rotation of second angle along rotor, and the size of first angle and second angle can design with different motor performances according to the electromagnetic performance of different magnet steel assemblies 32, different processing technologys.
Because the mechanical strength of magnet steel assembly 32 is lower, the embodiment of the invention is protected magnet steel assembly 32 further.Fig. 9 is the schematic diagram of monolithic magnet steel of the magnet steel assembly 32 of embodiment of the invention claw-pole motor; as shown in Figure 9; every block of monolithic magnet steel of magnet steel assembly 32 comprises: magnet steel body 321 and magnet steel guard member 322; magnet steel guard member 322 is wrapped in the outer side surface that does not have magnetic line of force turnover of magnet steel body 321; can adopt mechanical strength to be higher than the non-magnetic material or the magnetic material of set point, this set point is determined according to the performance of claw-pole motor and the mechanical strength of magnet steel body.When the armature spindle along continuous straight runs is placed; magnet steel guard member 322 is wrapped in the upper and lower surface and the front and rear surfaces outside of magnet steel body 321; the surface is not subjected to magnet steel guard member 322 parcel about magnet steel body 321, the magnetic line of force by magnet steel body 321 about the surface turnover.The embodiment of the invention adopts magnet steel guard member 322 parcel magnet steel bodies 321, thereby has improved antidetonation, resistance to compression and the impact resistance of magnet steel body 321.
Carry out on the above-mentioned improved basis at the rotor to claw-pole motor, the embodiment of the invention is further improved the stator of claw-pole motor.Figure 10 is the accessory structure chart of the stator of embodiment of the invention claw-pole motor.As shown in figure 10, the stator of embodiment of the invention claw-pole motor comprises: drive end end cap 41, electricity end end cap 42 and field frame assembly 43, the two ends of field frame assembly 43 are assembled together with electricity end end cap 42 with driving end end cap 41 respectively, and rotor is positioned at field frame assembly 43 inside.
Can adopt multiple mode to field frame assembly 43 respectively with drive end end cap 41 and electricity end end cap 42 assembles, in the present embodiment, being example with a specific embodiment only describes a kind of fit wherein.Figure 11 is the end cap and the field frame assembly assembling schematic diagram of embodiment of the invention claw-pole motor.Field frame assembly 43 comprises two second axial positioning keys 431, is positioned at the lateral surface of field frame assembly 43; Drive on end end cap 41 and the electricity end end cap 42 and respectively comprise two second axial location notchs 411.End cap shown in Figure 11 is an example to drive end end cap 41, and electricity end end cap 42 holds end cap 41 identical with the fit of field frame assembly 43 with the fit and shown in Figure 11 the driving of field frame assembly 43, does not repeat them here.As shown in figure 11, comprise second location notch 411 on the end cap 41 driving end, comprise second positioning key 431 on field frame assembly 43, when assembling second location notch 411 is aimed at second positioning key 431, a side of second positioning key 431 embeds in second location notch 411.When manufacturing, second location notch 411 adopts makes the miller technology manufacturing of driving end end cap 41 and electricity end end cap 42, and second positioning key 431 adopts the punching flushing technology of making field frame assembly 43 to make.Adopt above-mentioned fit, second positioning key 431 is embedded second location notch 411 as a kind of mistake proofing measure, guarantee field frame assembly 43 and driven end end cap 41 and field frame assembly 43 and electric uniqueness of holding end cap 42 to assemble, and improved the installation accuracy of claw-pole motor.The individual number average of the number of above-mentioned second location notch 411 and second positioning key 431 can be for one or more, as long as the number of second positioning key 431 on the number of driving the number of second location notch 411 on the end end cap 41 and second location notch 411 on the electricity end end cap 42 and the field frame assembly 43 is identical.
For guaranteeing field frame assembly 43 and the fastness that end cap assembles, further comprise two positioning spigots on the field frame assembly 43 of the embodiment of the invention, lay respectively at the two ends of field frame assembly 43.Figure 12 is field frame assembly 43 structural representations of embodiment of the invention claw-pole motor, and in Figure 12, left side figure is the front view of field frame assembly 43, and right figure is the end view of field frame assembly 43.As shown in figure 12, not only comprise second positioning key 431 on the field frame assembly 43, and further, include a positioning spigot 432 at the two ends of field frame assembly 43.This positioning spigot 432 is and drives the edge of holding end cap 41 annular identical with the external profile diameter of electricity end end cap 42 that positioning spigot 432 is aimed at the end cap outer rims during assembling.
By above-mentioned embodiment as seen, in the rotor of claw-pole motor of the present invention, with yoke core rod and these two isolation of components of the pawl utmost point, whole yoke core rod is as parts independently, and the yoke core rod and the pawl utmost point are assembled together, thereby make axial direction not exist, thereby reduced because size falls in the magnetic pressure of the air gap that accessory assembling seam produces because accessory assembles the air gap that seam produces, reduce magnetic resistance, improved the claw-pole motor performance.And as parts independently, adopt multiple modes such as first positioning key, first location notch and pin to assemble whole yoke core rod, simplified the processing and the assembly technology of claw-pole motor.And, because whole yoke core rod is as parts independently, but therefore increased the number of turns of coiling on the yoke core rod, make wire winding more simple and easy to do.
And, the pawl utmost point outer surface of the claw-pole motor rotor of the embodiment of the invention has fluting, thereby reduced the iron loss that eddy current causes, the extremely single pawl of pawl be shaped as the asymmetric truncated rectangular pyramids in the left and right sides, thereby reduced torque Wen Bo, therefore further improved the performances such as moment of torsion, rotating speed and power of claw-pole motor.Simultaneously, the pawl of the embodiment of the invention is extremely gone up lower edge and is had the magnet steel groove, can prevent that the magnet steel assembly breaks away from the pawl utmost point and throws away when claw-pole motor rotates.And,, improve the anti-extrusion and anti-impact force of magnet steel body in the magnet steel body outside of magnet steel assembly parcel magnet steel guard member.
And the embodiment of the invention adopts second location notch, second positioning key and positioning spigot that the end cap of claw-pole motor stator is assembled with field frame assembly to be connected, to have simplified the assembly structure of stator, reduce manufacturing cost, and assembly technology is simple.And, improved the heat dispersion of claw-pole motor because the stator build-up member is simple in structure.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (10)
1. a claw-pole motor comprises rotor and stator, it is characterized in that, described rotor comprises: drive the end pawl utmost point, the electricity end pawl utmost point, magnet steel assembly, yoke coil and yoke core rod;
Described yoke core rod is independently parts;
Described magnetic inversion line snare is in described yoke core rod outside, and the two ends of yoke core rod hold the pawl utmost point to be assembled together with driving the end pawl utmost point and electricity respectively, and the magnet steel assembly is held in the mouth to be driven between the end pawl utmost point and the electricity end pawl utmost point.
2. claw-pole motor according to claim 1 is characterized in that,
Described yoke core rod comprises two first positioning keys that lay respectively at yoke core rod two ends, driving the end pawl utmost point and electricity holds the pawl utmost point respectively to comprise one first location notch, first positioning key that yoke core rod correspondence is driven the end pawl utmost point one end embeds in first location notch that drives the end pawl utmost point, and first positioning key of the corresponding electricity end of the yoke core rod pawl utmost point one end embeds in first location notch of the electricity end pawl utmost point;
Or,
Described yoke core rod comprises two pin holes that lay respectively at yoke core rod two ends, driving the end pawl utmost point and electricity holds the pawl utmost point respectively to comprise a pin hole, the pin hole that yoke core rod correspondence is driven the end pawl utmost point one end by pin with drive the pin hole that the end pawl extremely goes up and link to each other, and hold the pin hole of the pawl utmost point one end to link to each other the corresponding electricity of yoke core rod with the pin hole that electricity end pawl is extremely gone up;
Or,
Described yoke core rod comprises two first positioning keys that lay respectively at yoke core rod both sides and two pin holes that lay respectively at yoke core rod both sides, driving the end pawl utmost point and electricity holds the pawl utmost point to include one first location notch and a pin hole, first positioning key that yoke core rod correspondence is driven the end pawl utmost point one end embeds in first location notch that drives the end pawl utmost point, and the pin hole that yoke core rod correspondence is driven the end pawl utmost point one side by pin with drive the pin hole that the end pawl extremely goes up and link to each other, first positioning key of the corresponding electricity end of the yoke core rod pawl utmost point one end embeds in first location notch of the electricity end pawl utmost point, and links to each other with the pin hole that electricity end pawl is extremely gone up by the pin hole of pin with the corresponding electricity end of the yoke core rod pawl utmost point one side;
Or,
The two ends of yoke core rod are adopted interference fit technology respectively and are driven the end pawl utmost point and are assembled together with the electricity end pawl utmost point;
Or,
The two ends of yoke core rod are adopted viscose glue respectively and are driven the end pawl utmost point and are assembled together with the electricity end pawl utmost point.
3. claw-pole motor according to claim 1 is characterized in that,
The described outer surface that drives the end pawl utmost point and the electricity end pawl utmost point has fluting.
4. claw-pole motor according to claim 3 is characterized in that,
Described fluting is thread groove, dovetail groove, straight trough or skewed slot.
5. claw-pole motor according to claim 1 is characterized in that,
Described each single pawl that drives the end pawl utmost point and the electricity end pawl utmost point is asymmetrical truncated rectangular pyramids.
6. claw-pole motor according to claim 1 is characterized in that,
The described edge up and down that drives each single pawl of the end pawl utmost point and the electricity end pawl utmost point has the magnet steel groove respectively;
Described magnet steel assembly is made up of the polylith magnet steel, wherein magnet steel is embedded between the magnet steel groove of lower edge of a single pawl of the magnet steel groove of upper limb of a single pawl that drives the end pawl utmost point and the electricity end pawl utmost point, or wherein magnet steel is embedded between the magnet steel groove of upper limb of a single pawl of the magnet steel groove of lower edge of a single pawl that drives the end pawl utmost point and the electricity end pawl utmost point.
7. claw-pole motor according to claim 6 is characterized in that,
Described magnet steel groove is two sided groove or single side face groove.
8. according to claim 6 or 7 described claw-pole motors, it is characterized in that,
Described magnet steel groove comprises first and second portion, and the degree of depth of the first of magnet steel groove upwards changes according to first angle, and the degree of depth of the second portion of magnet steel groove changes according to the direction of rotation of second angle along rotor.
9. claw-pole motor according to claim 1 is characterized in that,
Described magnet steel assembly is made up of the polylith magnet steel, and each piece magnet steel comprises: magnet steel body and magnet steel guard member, described magnet steel guard member are wrapped in the outer side surface that does not have magnetic line of force turnover of magnet steel body;
Described magnet steel guard member adopts mechanical strength to be higher than the non-magnetic material or the magnetic material of set point.
10. claw-pole motor according to claim 1 is characterized in that,
Described stator comprises: drive end end cap, field frame assembly and electricity end end cap;
The two ends of described field frame assembly respectively with drive the end end cap and electricity end end cap is assembled together;
Described rotor is positioned at described field frame assembly inside;
Described field frame assembly comprises one or more second axial positioning keys, drive the end end cap and respectively comprise axial second location notch identical with the second positioning key quantity with electricity end end cap, described each second positioning key, one side embeds in second location notch that drives the end end cap, and opposite side embeds in second location notch of electricity end end cap.
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| CN2010101066671A CN101741200B (en) | 2010-02-01 | 2010-02-01 | Claw-pole motor |
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| CN2010101066671A CN101741200B (en) | 2010-02-01 | 2010-02-01 | Claw-pole motor |
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| CN101741200A true CN101741200A (en) | 2010-06-16 |
| CN101741200B CN101741200B (en) | 2012-06-27 |
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| CN2010101066671A Active CN101741200B (en) | 2010-02-01 | 2010-02-01 | Claw-pole motor |
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| CN109716618A (en) * | 2016-09-15 | 2019-05-03 | 株式会社电装 | Rotating electric machine |
| CN110679063A (en) * | 2017-03-14 | 2020-01-10 | 吉凯恩粉末冶金工程有限公司 | Claw-pole stator for a transverse flux motor and segment for a claw-pole stator |
| US11289955B2 (en) | 2017-03-14 | 2022-03-29 | Gkn Sinter Metals Engineering Gmbh | Claw pole stator for a transversal flux motor and a segment for the claw pole stator |
| CN109756042A (en) * | 2017-11-06 | 2019-05-14 | 博格华纳公司 | The pawl pole of pawl pole section with forming |
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| US11509203B2 (en) | 2018-07-25 | 2022-11-22 | Moog Inc. | Claw-pole motor with rotor flux concentrators and poles and stator with solenoid coil and alternating stator teeth |
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