CN205725195U - Eight groove micromachine and stator cores thereof - Google Patents
Eight groove micromachine and stator cores thereof Download PDFInfo
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- CN205725195U CN205725195U CN201620328083.1U CN201620328083U CN205725195U CN 205725195 U CN205725195 U CN 205725195U CN 201620328083 U CN201620328083 U CN 201620328083U CN 205725195 U CN205725195 U CN 205725195U
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- 238000004804 winding Methods 0.000 claims description 27
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000012797 qualification Methods 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
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Abstract
This utility model relates to a kind of eight groove micromachine and stator cores thereof, and this eight grooves micromachine includes stator module；Stator module includes the stator core being uniformly provided with eight stator slots, and stator slot is flat-bottom slot, and in orthographic projection planar graph, the groove shoulder of this stator slot, bottom land and two groove sides constitute an isosceles trapezoid, and groove shoulder is divided into two by the notch of stator slot；Eight stator slots are the most corresponding, and the bottom land of two corresponding stator slots is parallel to each other, and its distance is 1.31～1.61 times of stator core internal diameter；The angle of the groove side of stator slot and groove shoulder is between 105 °～120 °；Teeth portion width between adjacent two stator slots is 0.13～0.18 times of stator core internal diameter.This utility model eight groove micromachine has rational in infrastructure, the advantage such as production efficiency is high, quality better, qualification rate height, low cost, noise are little, life-span length, temperature rise is low, output is big and output torque is big.
Description
【Technical field】
This utility model relates to micromachine, particularly relates to the stator core of micromachine.
【Background technology】
Micromachine, such as a kind of miniature single-phase capacitance formula motor, is wide variety of a kind of motor in modern household electrical equipment.nullAs shown in Figure 7 to 9，The stator core 11 ' of the stator module 10 ' of prior art miniature single-phase capacitance formula motor uses multi-disc stator punching stacking to form，This stator core 11 ' includes central through hole 112 and equally distributed multiple stator slot 111 ',Each stator winding 12 ' is embedded in each stator slot 111 '，Prior art micromachine typically uses 16 stator slots 111 '，Structure and production technology are the most complicated，Owing to the stator slot 111 ' shapes and sizes by stator core 11 ' are affected，Cause power input to machine big、The shortcomings such as efficiency is low and output torque is little，And affected by the stator slot 111 ' shapes and sizes of stator core 11 '，After typically each stator winding 12 ' being wound on coil winding machine，By machine or by hand each stator winding 12 ' is embedded in each stator slot 111 ' again，Production efficiency is low，Defective products rate is the highest，Any advantage is not had on cost yet，The stator module of the miniature single-phase capacitance formula motor of a kind of 16 grooves of such as the applicant needs 8 people，Stator winding 12 ' uses concentric type long-chord winding，Long-chord winding two ends end height H2Height, can compare many to the consumption of enamel-covered wire, and such cost of labor and Material Cost are the highest；Cause some factories on the premise of there is no cost advantage, the enamel-covered wire beginning to use material to be aluminum is to replace the material enamel-covered wire as copper, but so make motor have the biggest short slab on the life-span, often do not use several years because loose contact is even broken and caused motor to scrap after the end of a thread oxidation of the enamel-covered wire of aluminum.
【Utility model content】
A kind of eight groove micromachine and stator cores thereof are provided in place of the technical problems to be solved in the utility model is to avoid above-mentioned the deficiencies in the prior art, directly once enamel-covered wire can be wound in each stator slot of stator core by spooling equipment, stator winding can use the centralized winding of short pitch, when making spooling equipment coiling, cable run distance is short, stator winding two ends end height is low, the consumption of enamel-covered wire can be saved, have rational in infrastructure compared with the micromachine of equivalent specifications, production efficiency is high, quality better, qualification rate is high, low cost, noise is little, life-span is long, temperature rise is low, the advantages such as output is big and output torque is big, and save stator enamelled wire, it it is a kind of energy-saving efficient motor.
This utility model solves described technical problem and the technical scheme is that
There is provided a kind of eight groove micromachines, including stator assembly and rotor assembly；Described stator module includes again the stator core being uniformly provided with multiple stator slot, and is embedded in each stator winding in each stator slot of this stator core；After assembling, between outer surface and the central through hole of described stator core of described rotor assembly, form radial air gap；Described stator slot has eight；Described stator slot is flat-bottom slot, and in orthographic projection planar graph, the groove shoulder of this stator slot, bottom land and two groove sides constitute an isosceles trapezoid, and described groove shoulder is divided into two by the notch of described stator slot；Eight stator slots are the most corresponding, and the bottom land of two corresponding stator slots is parallel to each other, and its distance is 1.31～1.61 times of described stator core internal diameter；The angle of the groove side of described stator slot and groove shoulder is between 105 °～120 °；Teeth portion width between adjacent two stator slots is 0.13～0.18 times of described stator core internal diameter.
Distance between the bottom land of two corresponding stator slots is 1.38～1.51 times of described stator core internal diameter.
The angle of the groove side of described stator slot and groove shoulder is between 111 °～115 °.
Teeth portion width between adjacent two stator slots is 0.15～0.16 times of described stator core internal diameter.
The internal diameter of described stator core is 44.0～48.0 millimeters, distance between the bottom land of two corresponding stator slots is 63.0～66.0 millimeters, the angle of the groove side of described stator slot and groove shoulder is between 111 °～114 °, and the teeth portion width between adjacent two stator slots is 0.15～0.16 times of described stator core internal diameter.
Particularly, the internal diameter of described stator core is 46.0 millimeters, distance between the bottom land of two corresponding stator slots is 64.0 millimeters, and the groove side 111C of described stator slot 111 is 112.5 ° with the included angle A of groove shoulder 111A, and the teeth portion width between adjacent two stator slots is 7.0 millimeters.
Each stator winding of described stator module is wrapped between two adjacent stator slots.
Also providing for a kind of eight groove stator cores, this stator core includes central through hole and equally distributed multiple stator slot, and described stator slot has eight；Described stator slot is flat-bottom slot, and in orthographic projection planar graph, the groove shoulder of this stator slot, bottom land and two groove sides constitute an isosceles trapezoid, and described groove shoulder is divided into two by the notch of described stator slot；Eight stator slots are the most corresponding, and the bottom land of two corresponding stator slots is parallel to each other, and its distance is 1.31～1.61 times of described stator core internal diameter；The angle of the groove side of described stator slot and groove shoulder is between 105 °～120 °；Teeth portion width between adjacent two stator slots is 0.13～0.18 times of described stator core internal diameter.
The most relatively, the having the beneficial effects that of this utility model eight groove micromachine and stator core thereof:
One, stator core is designed as equally distributed eight stator slots, and each stator slot is made particular design, making stator slot is flat-bottom slot, in orthographic projection planar graph, the groove shoulder of this stator slot, bottom land and two groove sides constitute an isosceles trapezoid, and described groove shoulder is divided into two by the notch of described stator slot；Eight stator slots are the most corresponding, and the bottom land of two corresponding stator slots is parallel to each other, and its distance is 1.31～1.61 times of described stator core internal diameter；The angle of the groove side of described stator slot and groove shoulder is between 105 °～120 °；Teeth portion width between adjacent two stator slots is 0.13～0.18 times of described stator core internal diameter, directly once enamel-covered wire can be wound in each stator slot of stator core by spooling equipment, make this utility model eight groove micromachine have the advantages such as rational in infrastructure, production efficiency is high, quality better, qualification rate height, low cost, noise are little, life-span length, temperature rise is low, output is big and output torque is big compared with the micromachine of equivalent specifications, be a kind of energy-saving efficient motor;
Two, each stator winding of stator module is wrapped between two adjacent stator slots；The most each stator winding just can use the centralized winding of short pitch, when making spooling equipment coiling, cable run distance is short, the end height at each stator winding two ends is low, the consumption of enamel-covered wire can be saved, and drive end bearing bracket and rear end cap are correspondingly shortened, the size making whole motor the most correspondingly shortens, and cost is lower；
Three, this utility model eight groove micromachine may be used on the household electrical appliance such as water pump and fan.
In sum, enamel-covered wire can be directly once wound in each stator slot of stator core by this utility model eight groove micromachine by spooling equipment, stator winding can use the centralized winding of short pitch, when making spooling equipment coiling, cable run distance is short, stator winding two ends end height is low, the consumption of enamel-covered wire can be saved, have rational in infrastructure compared with the micromachine of equivalent specifications, production efficiency is high, quality better, qualification rate is high, low cost, noise is little, life-span is long, temperature rise is low, the advantages such as output is big and output torque is big, and save stator enamelled wire, it it is a kind of energy-saving efficient motor.
【Accompanying drawing explanation】
Fig. 1 is the axonometric projection schematic diagram of the preferred embodiment of this utility model eight groove micromachine；
Fig. 2 is that the orthographic projection of the preferred embodiment of described eight groove micromachines is main regarding cross-sectional schematic；
Fig. 3 is the axonometric projection schematic diagram after the preferred embodiment decomposition of described eight groove micromachines；
Fig. 4 is the orthographic projection schematic front view of the stator module preferred embodiment of described eight groove micromachines；
Fig. 5 is the axonometric projection schematic diagram of the stator core preferred embodiment of described stator module；
Fig. 6 is the orthographic projection schematic front view of stator core shown in Fig. 5;
Fig. 7 is the orthographic projection schematic front view of the stator module of prior art micromachine；
Fig. 8 is the orthographic projection schematic top plan view of stator module shown in Fig. 7；
Fig. 9 is the orthographic projection schematic front view of the stator core of prior art micromachine.
[detailed description of the invention]
Below in conjunction with each accompanying drawing, this utility model is described in further detail.
Seeing Fig. 1 to Fig. 6, a kind of eight groove micromachines, including stator module 10 and rotor assembly 20；Described stator module 10 includes again the stator core 11 being uniformly provided with multiple stator slot 111, and is embedded in each stator winding 12 in each stator slot 111 of this stator core 11；After assembling, between outer surface and the central through hole 112 of described stator core 11 of described rotor assembly 20, form radial air gap；Described stator slot 111 has eight；Described stator slot 111 is flat-bottom slot, and in orthographic projection planar graph, groove shoulder 111A, the bottom land 111B and two groove side 111C of this stator slot 111 constitute an isosceles trapezoid, and described groove shoulder 111A is divided into two by the notch 118 of described stator slot 111；Eight stator slots 111 are the most corresponding, and the bottom land 111B of two corresponding stator slots 111 is parallel to each other, and its distance T is described stator core 11 internal diameter D11.31～1.61 times；The included angle A of the groove side 111C of described stator slot 111 and groove shoulder 111A is between 105 °～120 °；Teeth portion width b between adjacent two stator slots 111tIt is described stator core 11 internal diameter D10.13～0.18 times.
See Fig. 4 to Fig. 6, for convenience spooling equipment coiling, typically by the width of rebate b of described stator slot 1110It is designed as 2.0 ± 0.3 millimeters, such as by the width of rebate b of described stator slot 1110It is designed as 2.0 millimeters；By the notch height h of described stator slot 1110It is designed as 0.9 ± 0.3 millimeter, such as by the notch height h of described stator slot 1110It is designed as 1.0 millimeters.
See Fig. 5 and Fig. 6, during for punching press, stamping die is extracted out smoothly, and stator slot 111 is attractive in appearance, in described stator slot 111 orthographic projection planar graph, groove shoulder 111A and two the most handy one section of small arc-shapeds of groove side 111C connect, and two groove side 111C one section small arc-shapeds the most handy with bottom land 111B are connected, and each small arc-shaped radius can be 0.5 millimeter.
As shown in Figure 1 to Figure 3, eight groove micromachines also include drive end bearing bracket 30 and rear end cap 40；Stator module 10 is installed between this forward and backward end cap 30,40；Rotor assembly 20 is rotatably arranged on described forward and backward end cap 30,40.See Fig. 2 and Fig. 3, be numbered 50 be fore bearing, be numbered 60 be rear bearing, be numbered 70 be wave spring washer, be numbered 80 be E type snap ring, their assembly relation, be prior art, do not repeat them here.
Seeing Fig. 6, distance T between the bottom land 111B of two corresponding stator slots 111 is described stator core 11 internal diameter D11.38～1.51 times.
See the included angle A of Fig. 6, the groove side 111C of described stator slot 111 and groove shoulder 111A between 111 °～115 °.
See Fig. 6, the teeth portion width b between adjacent two stator slots 111tIt is described stator core 11 internal diameter D10.15～0.16 times.
The length that label L is stator core 11 in Fig. 6, label W is the width of stator core 11；Label D2The diameter of circular arc for four arc chord angles of stator core 11.
See Fig. 6, the internal diameter D of described stator core 111It it is 44.0～48.0 millimeters, distance T between the bottom land 111B of two corresponding stator slots 111 is 63.0～66.0 millimeters, the included angle A of the groove side 111C of described stator slot 111 and groove shoulder 111A teeth portion width b between 111 °～114 °, between adjacent two stator slots 111tIt is described stator core 11 internal diameter D10.15～0.16 times.
Particularly, Fig. 6, the internal diameter D of described stator core 11 are seen1Being 46.0 millimeters, distance T between the bottom land 111B of two corresponding stator slots 111 is 64.0 millimeters, and the groove side 111C of described stator slot 111 is 112.5 ° with the included angle A of groove shoulder 111A, the teeth portion width b between adjacent two stator slots 111tIt it is 7.0 millimeters.Accordingly, length L of the stator core 11 in Fig. 6 can be designed as 79.0 millimeters, the width W of stator core 11 is also configured as 79.0 millimeters, D2It is designed as φ 82.0 millimeters.
Seeing Fig. 3, described stator module 10 also includes and stator the first insulating frame 13 and stator the second insulating frame 14；Described stator the first insulating frame 13 includes that internal diameter is slightly larger than or equal to the first central through hole 131 of described stator core 11 internal diameter, and with each stator slot of described stator core 11
111 adaptations, quantity is equal the first insulation tongue 132, each first insulation tongue 132 is equipped with the first notch 1321 being connected with described first central through hole 131；Described stator the second insulating frame 14 also includes that internal diameter is slightly larger than or is equal to the second central through hole 141 of described stator core 11 internal diameter, and with each stator slot 111 adaptation of described stator core 11, the second insulation tongue 142 that quantity is equal, each second insulation tongue 142 is equipped with the second notch 1421 being connected with described second central through hole 141；Each first insulation tongue 132 of described stator the first insulating frame 13 and each second insulation tongue 142 of stator the second insulating frame 14 embed docking mutually respectively from the two ends of each stator slot 111 of the correspondence of described stator core 11, and described stator the first insulating frame 13 and the respective end face of stator the second insulating frame 14 are adjacent in the both ends of the surface of described stator core 11.
See Fig. 4, each stator winding 12 of described stator module 10 is wrapped between two adjacent stator slots 111, the most specifically, each first insulation tongue 132 and each second that each stator winding 12 of stator module 10 is wound in two adjacent stator slots 111 insulate in tongue 142.Seeing Fig. 2 and Fig. 4, the most each stator winding 12 just can use the centralized winding of short pitch so that during spooling equipment coiling, cable run distance is short, the end height H at each stator winding 12 two ends1Low, the consumption of enamel-covered wire can be saved, and drive end bearing bracket 30 and rear end cap 40 are correspondingly shortened, almost can shorten about 20mm so that the size of whole motor the most correspondingly shortens, and cost is lower.
3 people are had only to when making stator module, one of them people's assembling stator first insulating frame 13, people's assembling stator second insulating frame 14, a personal responsibility spooling equipment coiling.
This utility model eight groove micromachine may be used on the household electrical appliance such as water pump and fan.
Embodiment described above only have expressed preferred implementation of the present utility model, and it describes more concrete and detailed, but therefore can not be interpreted as the restriction to this utility model the scope of the claims；It should be pointed out that, for the person of ordinary skill of the art, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into protection domain of the present utility model；Therefore, all equivalents done with this utility model right and modification, the covering scope of this utility model claim all should be belonged to.
Claims (10)
1. an eight groove micromachine, including stator module (10) and rotor assembly (20)；Described stator module (10) includes again the stator core (11) being uniformly provided with multiple stator slot (111), and is embedded in each stator winding (12) in each stator slot (111) of this stator core (11)；After assembling, between outer surface and the central through hole (112) of described stator core (11) of described rotor assembly (20), form radial air gap;It is characterized in that:
Described stator slot (111) has eight；Described stator slot (111) is flat-bottom slot, in orthographic projection planar graph, groove shoulder (111A), bottom land (111B) and two groove sides (111C) of this stator slot (111) constitute an isosceles trapezoid, and described groove shoulder (111A) is divided into two by the notch (118) of described stator slot (111)；Eight stator slots (111) are the most corresponding, and the bottom land (111B) of corresponding two stator slots (111) is parallel to each other, and its distance (T) is described stator core (11) internal diameter (D1) 1.31～1.61 times；The angle (A) of the groove side (111C) of described stator slot (111) and groove shoulder (111A) is between 105 °～120 °；Teeth portion width (b between adjacent two stator slots (111)t) it is described stator core (11) internal diameter (D1) 0.13～0.18 times.
Eight groove micromachines the most according to claim 1, it is characterised in that:
Distance (T) between the bottom land (111B) of corresponding two stator slots (111) is described stator core (11) internal diameter (D1) 1.38～1.51 times.
Eight groove micromachines the most according to claim 1, it is characterised in that:
The angle (A) of the groove side (111C) of described stator slot (111) and groove shoulder (111A) is between 111 °～115 °.
Eight groove micromachines the most according to claim 1, it is characterised in that:
Teeth portion width (b between adjacent two stator slots (111)t) it is described stator core (11) internal diameter (D1) 0.15～0.16 times.
Eight groove micromachines the most according to claim 1, it is characterised in that:
Internal diameter (the D of described stator core (11)1) it is 44.0～48.0 millimeters, distance (T) between the bottom land (111B) of corresponding two stator slots (111) is 63.0～66.0 millimeters, the angle (A) of the groove side (111C) of described stator slot (111) and groove shoulder (111A) teeth portion width (b between 111 °～114 °, between adjacent two stator slots (111)t) it is described stator core (11) internal diameter (D1) 0.15～0.16 times.
Eight groove micromachines the most according to claim 5, it is characterised in that:
Internal diameter (the D of described stator core (11)1) it is 46.0 millimeters, distance (T) between the bottom land (111B) of corresponding two stator slots (111) is 64.0 millimeters, the groove side 111C of described stator slot (111) is 112.5 ° with the angle (A) of groove shoulder (111A), the teeth portion width (b between adjacent two stator slots (111)t) it is 7.0 millimeters.
7. according to eight groove micromachines described in any one of claim 1 to 6, it is characterised in that:
Each stator winding (12) of described stator module (10) is wrapped between adjacent two stator slots (111).
8. the stator core (11) on eight groove micromachines, this stator core (11) includes central through hole (112) and equally distributed multiple stator slot (111), it is characterised in that:
Described stator slot (111) has eight；Described stator slot (111) is flat-bottom slot, in orthographic projection planar graph, groove shoulder (111A), bottom land (111B) and two groove sides (111C) of this stator slot (111) constitute an isosceles trapezoid, and described groove shoulder (111A) is divided into two by the notch (118) of described stator slot (111)；Eight stator slots (111) are the most corresponding, and the bottom land (111B) of corresponding two stator slots (111) is parallel to each other, and its distance (T) is described stator core (11) internal diameter (D1) 1.31～1.61 times；The angle (A) of the groove side (111C) of described stator slot (111) and groove shoulder (111A) is between 105 °～120 °；Teeth portion width (b between adjacent two stator slots (111)t) it is described stator core (11) internal diameter (D1) 0.13～0.18 times.
Stator core (11) on eight groove micromachines the most according to claim 8, it is characterised in that:
Distance (T) between the bottom land (111B) of corresponding two stator slots (111) is described stator core (11) internal diameter (D1) 1.38～1.51 times.
Stator core (11) on eight groove micromachines the most according to claim 8, it is characterised in that:
The angle (A) of the groove side (111C) of described stator slot (111) and groove shoulder (111A) is between 111 °～115 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620328083.1U CN205725195U (en) | 2016-04-19 | 2016-04-19 | Eight groove micromachine and stator cores thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620328083.1U CN205725195U (en) | 2016-04-19 | 2016-04-19 | Eight groove micromachine and stator cores thereof |
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| Publication Number | Publication Date |
|---|---|
| CN205725195U true CN205725195U (en) | 2016-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620328083.1U Active CN205725195U (en) | 2016-04-19 | 2016-04-19 | Eight groove micromachine and stator cores thereof |
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| Country | Link |
|---|---|
| CN (1) | CN205725195U (en) |
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2016
- 2016-04-19 CN CN201620328083.1U patent/CN205725195U/en active Active
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