Low-noise kitchen waste disposer based on four-pole direct-current motor
阅读说明:本技术 基于四极直流电动机的低噪音厨余垃圾处理器 (Low-noise kitchen waste disposer based on four-pole direct-current motor ) 是由 蔡康财 陆成康 于 2020-07-31 设计创作,主要内容包括:本发明实施例公开了一种基于四极直流电动机的低噪音厨余垃圾处理器。所述基于四极直流电动机的低噪音厨余垃圾处理器包括:控制部;工作部,设有工作空间,且工作空间内设有工作件;四极直流电动机,连接在所述控制部和所述工作部之间,所述四极直流电动机包括:驱动轴;转子组件;绕线组;定子组件,包括四个永磁体,所述四个永磁体周向分布在所述转子组件的四周;其中,所述转子组件的直径为89-91mm;每一个所述永磁体的宽度为44-54mm,高度为34-48mm,相邻两个所述永磁体之间至少间隔一个所述转子孔槽。本发明实施例提供的基于四极直流电动机的低噪音厨余垃圾处理器能够实现转速达到2800~3200r/min时,即可满足厨余垃圾处理器的动力需求,从而降低了噪音。(The embodiment of the invention discloses a low-noise kitchen waste disposer based on a four-pole direct-current motor. The low noise kitchen garbage disposer based on the four-pole direct current motor comprises: a control unit; a working part provided with a working space, and a workpiece is arranged in the working space; a four-pole direct current motor connected between the control unit and the operating unit, the four-pole direct current motor including: a drive shaft; a rotor assembly; winding; the stator assembly comprises four permanent magnets, and the four permanent magnets are circumferentially distributed on the periphery of the rotor assembly; wherein the diameter of the rotor assembly is 89-91 mm; the width of each permanent magnet is 44-54mm, the height of each permanent magnet is 34-48mm, and at least one rotor hole slot is arranged between every two adjacent permanent magnets. The low-noise kitchen waste disposer based on the four-pole direct-current motor can meet the power requirement of the kitchen waste disposer when the rotating speed reaches 2800-3200 r/min, so that the noise is reduced.)
1. A low noise kitchen waste disposer based on a four-pole DC motor is characterized by comprising:
a control unit;
a working part provided with a working space, and a workpiece is arranged in the working space;
a four-pole dc motor connected between the control unit and the working unit; the method comprises the following steps:
the driving shaft extends into the working space and is connected with the workpiece in a shaft mode;
the rotor assembly is connected with the driving shaft and is provided with a plurality of winding shafts which are distributed in the circumferential direction and a plurality of rotor hole grooves which are arranged among the winding shafts and have the same number with the winding shafts; the rotor hole slot is clamped between every two adjacent winding shafts;
a winding group wound between the plurality of rotor hole slots;
the stator assembly comprises four permanent magnets, and the four permanent magnets are circumferentially distributed on the periphery of the rotor assembly;
wherein the diameter of the rotor assembly is 89-91 mm; the width of each permanent magnet is 44-54mm, the height of each permanent magnet is 34-48mm, and at least one rotor hole slot is arranged between every two adjacent permanent magnets.
2. The low noise kitchen waste disposer of claim 1, wherein the four-pole dc motor further comprises:
the reversing assembly is connected with the driving shaft through a shaft and is provided with a plurality of reversing pieces, and the number of the reversing pieces is twice that of the winding shafts;
the brush holder assembly is provided with a reversing assembly opening and four electric brushes, and the reversing assembly opening is sleeved outside the reversing assembly, and the four electric brushes are respectively contacted with at least two of the plurality of commutator segments.
3. The low noise kitchen waste disposer of claim 2, wherein the spool has twenty spool holes and the rotor slot has twenty rotor holes; correspondingly, forty commutator segments are arranged.
4. The quadrupole direct current motor-based low noise kitchen waste disposer of claim 3, wherein the rotor assembly comprises:
the rotor body is provided with the twenty winding shafts and the twenty rotor hole grooves;
and the at least two rotor punching sheets are respectively matched with the end faces of the rotor body and respectively cover the two opposite end faces of the rotor body.
5. The low noise kitchen waste disposer of claim 4, wherein the rotor body is further provided with four magnetic piece receiving cavities; the rotor assembly further includes:
the four magnetic pieces are respectively installed in the four magnetic piece accommodating cavities in a matching manner;
and one rotor hole groove corresponds to two adjacent magnetic piece accommodating cavities.
6. The low noise kitchen waste disposer based on a four-pole DC motor as claimed in claim 4, wherein a winding baffle is connected to one end of each winding shaft close to the stator assembly;
an opening is formed between every two adjacent winding baffles and is communicated with the rotor hole slot between the corresponding two winding shafts.
7. The low noise kitchen waste disposer based on a four-pole direct current motor of claim 1, further comprising a housing sleeved outside the stator assembly;
four limit pieces are circumferentially distributed at the position of the shell corresponding to the stator assembly;
the four permanent magnets respectively correspond to the four limiting parts and are clamped between the shell and the rotor assembly.
8. The low noise kitchen waste disposer of claim 7, wherein the four-pole DC motor further comprises: the cover plate comprises two cover plates and a fastener, wherein the two cover plates are respectively covered at two ends of the shell, and the fastener is fixedly connected with the two cover plates.
9. The low noise kitchen waste disposer of claim 1, wherein the winding assembly is wound to the rotor assembly at four rotor slots apart.
Technical Field
The invention relates to the technical field of garbage treatment, in particular to a low-noise kitchen garbage disposer based on a four-pole direct-current motor.
Background
A conventional household food waste disposer generally uses a single-phase ac motor or a two-phase dc motor as a driving unit to output a driving force, and particularly, mainly uses a two-phase dc motor.
At present, in order to enable the two-pole direct current motor to output enough power, the rotating speed of the two-pole direct current motor is required to reach more than 3500r/min to ensure that the kitchen waste disposer can output enough power, and the normal use of the kitchen waste disposer is ensured. However, when the rotating speed of the two-pole DC motor reaches 3500r/min or even exceeds 3500r/min, very large noise is generated, thereby influencing the use of the kitchen waste disposer.
Disclosure of Invention
Therefore, the embodiment of the invention provides a low-noise kitchen waste disposer based on a four-pole direct-current motor, which adopts the four-pole direct-current motor, and can meet the power requirement of the kitchen waste disposer when the rotating speed of the four-pole direct-current motor reaches 2800-3200 r/min, thereby reducing noise.
The embodiment of the invention provides a low-noise kitchen waste disposer based on a four-pole direct-current motor, which comprises: a control unit; a working part provided with a working space, and a workpiece is arranged in the working space; a four-pole dc motor connected between the control unit and the working unit; the four-pole direct current motor includes: the driving shaft extends into the working space and is connected with the workpiece in a shaft mode; the rotor assembly is connected with the driving shaft and is provided with a plurality of winding shafts which are distributed in the circumferential direction and a plurality of rotor hole grooves which are arranged among the winding shafts and have the same number with the winding shafts; the rotor hole slot is clamped between every two adjacent winding shafts; a winding group wound between the plurality of rotor hole slots; the stator assembly comprises four permanent magnets, and the four permanent magnets are circumferentially distributed on the periphery of the rotor assembly;
in one embodiment of the invention, the rotor assembly has a diameter of 89-91 mm; the width of each permanent magnet is 44-54mm, the height of each permanent magnet is 34-48mm, and at least one rotor hole slot is arranged between every two adjacent permanent magnets.
In one embodiment of the present invention, the four-pole direct current motor further includes: the reversing assembly is connected with the driving shaft through a shaft and is provided with a plurality of reversing pieces, and the number of the reversing pieces is twice that of the winding shafts; the brush holder assembly is provided with a reversing assembly opening and four electric brushes, and the reversing assembly opening is sleeved outside the reversing assembly, and the four electric brushes are respectively contacted with at least two of the plurality of commutator segments.
In one embodiment of the present invention, twenty winding shafts are provided, and twenty rotor hole slots are provided; correspondingly, forty commutator segments are arranged.
In one embodiment of the present invention, the rotor assembly includes: the rotor body is provided with the twenty winding shafts and the twenty rotor hole grooves; and the at least two rotor punching sheets are respectively matched with the end faces of the rotor body and respectively cover the two opposite end faces of the rotor body.
In one embodiment of the invention, the rotor body is further provided with four magnetic piece accommodating cavities; the rotor assembly further includes: the four magnetic pieces are respectively installed in the four magnetic piece accommodating cavities in a matching manner; and one rotor hole groove corresponds to two adjacent magnetic piece accommodating cavities.
In one embodiment of the invention, one end of each winding shaft close to the stator assembly is respectively connected with a winding baffle; an opening is formed between every two adjacent winding baffles and is communicated with the rotor hole slot between the corresponding two winding shafts.
In one embodiment of the invention, the stator assembly further comprises a shell sleeved outside the stator assembly; four limit pieces are circumferentially distributed at the position of the shell corresponding to the stator assembly; the four permanent magnets respectively correspond to the four limiting parts and are clamped between the shell and the rotor assembly.
In one embodiment of the present invention, the four-pole direct current motor further includes: the cover plate comprises two cover plates and a fastener, wherein the two cover plates are respectively covered at two ends of the shell, and the fastener is fixedly connected with the two cover plates.
In one embodiment of the present invention, the winding group is wound to the rotor assembly at four intervals of the rotor hole slot.
In summary, the above embodiments of the present application may have the following advantages: i) compared with a low-noise kitchen waste disposer based on a four-pole direct-current motor, the kitchen waste disposer has the advantages that when the rotating speed reaches 2800-3200 r/min, the power requirement of the kitchen waste disposer can be met, and accordingly noise is reduced; ii) twenty winding shafts which are internally provided with a rotor assembly and circumferentially distributed and twenty rotor hole grooves which are arranged among the twenty winding shafts, wherein the diameter of the rotor assembly is 89-91mm, so that the size of the four-pole direct current motor can be matched with a low-noise kitchen garbage disposer which is applied to the four-pole direct current motor, and the garbage disposal efficiency is improved; and iii) the number of commutator segments is 2 times of the number of rotor slots, so that the voltage division of the commutation voltage is realized to reduce sparks.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a low noise kitchen waste disposer 200 of a four-pole dc motor according to a first embodiment of the present invention.
Fig. 2 is a schematic structural view of the four-
Fig. 3 is a schematic diagram illustrating the positional relationship between the 4 permanent magnets 51 and the
Fig. 4 is a schematic structural view of the
Fig. 5 is a schematic structural view of the
Fig. 6 is a schematic structural view of the permanent magnet 51 in fig. 3.
Fig. 7 is a schematic view of the connection between the brush holder assembly 40 and the reversing assembly 60 in fig. 3.
Fig. 8 is a schematic view of the structure of the brush holder assembly 40 of fig. 7.
Fig. 9 is a schematic structural view of the
Description of the main element symbols: 200 is a low-noise kitchen garbage processor based on a four-pole direct current motor; 100 is a four-pole DC motor; 10 is a rotor assembly; 11 is a rotor body; 12 is a rotor punching sheet; 1201 is the positioning gap; 1202 is a positioning shaft; 13 is a winding shaft; 14 is a magnetic piece accommodating cavity; 15 is a rotor hole slot; 16 is a rotating shaft accommodating cavity; 17 is a winding baffle; 20 is a shell; 21 is a limiting part; 30 is a fixed component; 31 is a cover plate; 32 is a fastener; 40 is a brush holder component; 41 is four electric brushes; 42, opening a reversing component; 50 is a stator assembly; 51 is a permanent magnet; 60 is a reversing component; 61 is a commutator segment; 70 is a rotating shaft; 100 is a four-pole DC motor; 210 is a control section; 220 is a working part; 221 is a first input opening; 222 is a second input opening; and 223 an output opening.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a low noise kitchen waste disposer 200 based on a four-pole dc motor according to a first embodiment of the present invention includes, for example, a four-
The top of the working
Specifically, referring to fig. 2, the four-
Specifically, referring to fig. 3, 4 and 5, the
The
Compared with the existing household garbage disposer, the household garbage disposer can output enough power only by needing a large rotating speed (more than 3500 r/min) due to a generally adopted dipolar direct current motor, but can generate large noise when the rotating speed is large, the low-noise kitchen garbage disposer 200 of the quadrupole direct current motor has the advantage of low noise, and meanwhile, when the rotating speed reaches 2800-3200 r/min, the power requirement of the kitchen garbage disposer can be met, so that the noise is reduced.
Preferably, the
Preferably, the
Further, the
Preferably, a
Preferably, referring to fig. 6, each permanent magnet 51 may be a magnetic shoe, each of the magnetic shoes has a width L of 44-54mm, and each of the magnetic shoes has a height H of 34-48 mm. For example, each permanent magnet 51 may be a ferrite magnetic shoe, a neodymium iron boron magnetic shoe, or an alnico magnetic shoe, respectively; the permanent magnet 51 is capable of providing a constant and certain strength of magnetic action field during application, and has the ability to maintain such magnetic action field in a demanding environment; at the same time, the size of the magnetic shoe can maintain the magnetic action strength, and the overall installation size of the four-
Preferably, referring to fig. 7 and 8, the four-
Specifically, the reversing assembly 60 is also connected to the rotating shaft 70, and the
The brush holder assembly 40 is provided with a reversing assembly opening 42 and four
Because in the working process of the four-pole direct
The specific operation of the four-
Preferably, referring to fig. 9, the four-
Preferably, the four-
Specifically, the
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
- 上一篇:一种医用注射器针头装配设备
- 下一篇:基于四极直流电动机的厨余垃圾处理器