CN204992990U - Family's meat grinder is with low temperature rise, low noise high rotation torque single -phase asynchronous motor - Google Patents
Family's meat grinder is with low temperature rise, low noise high rotation torque single -phase asynchronous motor Download PDFInfo
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- CN204992990U CN204992990U CN201520681795.7U CN201520681795U CN204992990U CN 204992990 U CN204992990 U CN 204992990U CN 201520681795 U CN201520681795 U CN 201520681795U CN 204992990 U CN204992990 U CN 204992990U
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Abstract
The utility model discloses a family's meat grinder is with low temperature rise, low noise high rotation torque single -phase asynchronous motor, it includes the casing, wherein, has arranged a pivot in the casing, is provided with solid set of rotor in the pivot periphery, the interior stator group of casing all has the head end of being qualified for the next round of competitions with the secondary winding and is qualified for the next round of competitions the head end series connection electric capacity group of tail end, secondary winding including main winding and secondary winding, main winding, electric capacity group includes start -up electric capacity and running capacitor, and start -up electric capacity is parallel with running capacitor and establishes ties on the head end of being qualified for the next round of competitions of secondary winding, has propping up of start -up electric capacity and is provided with centrifugal switch on the road. Its winding adopt the sinusoidal number of turns distribute, with one heart the form of imbedding and on the secondary winding the technological form of series capacitance group, the motor temperature rise is low, casing surface temperature is less than 50 DEG C, the level of noise is less than 65dB (A) to realized that overload capacity is high, convertible motor direction of rotation, thereby effectively strengthened starting torque, widened the effect field of this organism.
Description
Technical field
The utility model relates to a kind of family mincer low-temperature-rise, low noise high torque (HT) monopole asynchronous motor.
Background technology
Motor is a kind of equipment electric energy being converted to mechanical energy.It utilizes hot-wire coil (namely stator winding) to produce rotating magnetic field and act on rotor (squirrel-cage closes aluminium frame) to form electro-magnetic motor force rotation torque.Can be synchronous machine or asynchronous machine (motor stator rotational speed of magnetic field and rotor rotary rpm do not keep synchronous speed).Motor forms primarily of stator and rotor, and the direction of electrified wire movement under force in magnetic field is relevant with magnetic induction line direction with the sense of current.Motor operation principle is magnetic field to the stressed effect of electric current, and motor is rotated.Motor is divided into threephase asynchronous and monopole asynchronous motor by use power supply difference.
At present in family expenses field of machines, the motor that family mincer uses is for providing the staring torque of larger heavy burden load, usual employing threephase asynchronous, but because a lot of workplace does not provide single phase poaer supply, it typically is three-phase alternating-current supply, for adapting to different operating place power configuration problem, early stage, multiple producer manufactured experimently monopole asynchronous motor, but locked rotor current is large, pressure drop is large, locked-rotor torque is little present situation that it exists, cause family's mincer can not load startup or low temperature time start; Simultaneously larger locked rotor current is strongly to the impact of each component of body in startup or running, thus the infringement causing each component in various degree, and then obviously reduces production efficiency, the quality of production, the useful life of shortening body.
Therefore, prior art needs further improvement and develops.
Utility model content
In view of above-mentioned the deficiencies in the prior art, a kind of family mincer low-temperature-rise, low noise high torque (HT) monopole asynchronous motor that the utility model provides, to strengthen detent torque, reduce locked rotor current.
For solving the problems of the technologies described above, the utility model scheme comprises:
A kind of family mincer low-temperature-rise, low noise high torque (HT) monopole asynchronous motor, it comprises casing, wherein, a rotating shaft is furnished with in casing, rotating shaft periphery is provided with solid cover rotor, casing inner circumferential offers stator slot, stator pack is furnished with in stator slot, stator pack comprises main winding and auxiliary winding, main winding and auxiliary winding all have outlet head end and outlet tail end, the outlet head end of auxiliary winding is connected a capacitance group, and the outlet head end of main winding and auxiliary winding, outlet tail end are all by circuit and a control element connection; Capacitance group comprises start-up capacitance and running capacitor, and start-up capacitance and running capacitor are that parallel way is connected on the outlet head end of auxiliary winding, and be provided with centrifugal switch with on the branch road of start-up capacitance, centrifugal switch is arranged on the front end of casing.
Described family's mincer low-temperature-rise, low noise high torque (HT) monopole asynchronous motor, wherein, admittedly cover rotor has rotor punching, the border of rotor punching offers rotor, the inner chamber of rotor is the wide and mode that is progressively inside side, border constriction in side, outer border, and the groove top of described rotor, bottom land are circular arc.
Described family's mincer low-temperature-rise, low noise high torque (HT) monopole asynchronous motor, wherein, above-mentioned rotor punching offers 30 rotor, and in rotor, all perfusion is substantial aluminum metal.
Described family's mincer low-temperature-rise, low noise high torque (HT) monopole asynchronous motor, wherein, the rear end of said machine casing is covered with fan housing, and the rear end face of described fan housing and casing encloses formation one closed cavity, and described closed cavity is provided with fan on the rear end face being positioned at casing.
Described family's mincer low-temperature-rise, low noise high torque (HT) monopole asynchronous motor, wherein, the front end of said machine casing is provided with the front end housing for sealing, the rear end of casing is provided with the rear end cap for sealing, casing is provided with shaft bearing in the corresponding position with front end housing, rear end cap, and all self-corresponding shaft bearing in two ends of rotating shaft stretches out.
Described family's mincer low-temperature-rise, low noise high torque (HT) monopole asynchronous motor, wherein, the winding coil number of turn of above-mentioned main winding and auxiliary winding is Sine distribution form, and main winding and auxiliary winding are that concentric type embeds in corresponding stator slot.And motor temperature is low, casing surface temperature is lower than 50 DEG C, and level of noise is lower than 65dB (A).
A kind of family mincer low-temperature-rise, low noise high torque (HT) monopole asynchronous motor that the utility model provides, its winding adopts the sinusoidal number of turn to distribute, with one heart embedding form and on auxiliary winding the technology type of series capacitance group, achieve high, the convertible motor direction of rotation of overload capacity, thus effectively enhance detent torque, can restarting after realizing shutting down when this monopole asynchronous motor can start running and can ensure work under heavy duty state, widen the effect field of this body thus; And optimizing structure after improving can reduce locked rotor current, reduces leakage reactance, eliminates the multiple subharmonic of three times and three simultaneously, thus improve the stationarity of body running, the impact damage preventing super-high-current from producing body, extends its useful life, also improves production efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of family's mincer low-temperature-rise in the utility model, low noise high torque (HT) monopole asynchronous motor;
Fig. 2 is the schematic diagram of main winding and auxiliary winding in the utility model;
Fig. 3 is the structural representation of the utility model rotor punching.
Embodiment
The utility model provides a kind of family mincer low-temperature-rise, low noise high torque (HT) monopole asynchronous motor, for making the purpose of this utility model, technical scheme and effect clearly, clearly, further describes below to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of family mincer low-temperature-rise, low noise high torque (HT) monopole asynchronous motor, as shown in Figures 1 and 2, it comprises casing 1, wherein, a rotating shaft 2 is furnished with in casing 1, rotating shaft 2 periphery is provided with solid cover rotor 3, casing 1 inner circumferential offers stator slot, stator pack 4 is furnished with in stator slot, stator pack 4 comprises main winding 5 and auxiliary winding 6, main winding 5 and auxiliary winding 6 all have outlet head end and outlet tail end, the outlet head end of auxiliary winding 6 is connected a capacitance group, the outlet head end of main winding 5 and auxiliary winding 6, outlet tail end is all by circuit and a control element connection, capacitance group comprises start-up capacitance 8 and running capacitor 9, and start-up capacitance 8 is connected on the outlet head end of auxiliary winding 6 with running capacitor 9 in parallel way, the branch road with start-up capacitance 8 is provided with centrifugal switch 10, centrifugally opens the front end that 10 passes are arranged on casing 1.Main winding 5 has outlet head end and outlet tail end, and the outlet head end of main winding 5 is labeled as U1, outlet tail end is labeled as U2; Auxiliary winding 6 has outlet head end and outlet tail end, and the outlet head end of auxiliary winding 6 is labeled as Z1, outlet tail end is labeled as Z2.The outlet head end that main winding 5, auxiliary winding 6 are whole and outlet tail end, namely U1, U2, Z1, Z2 are all formed with control element and are electrically connected, thus control element can control adjust rotating shaft 2 forward and backward to, synchronously realize the forward or reverse of family's mincer.
In another preferred embodiment of the present utility model, as shown in Figure 3, admittedly cover rotor 3 has rotor punching 11, the border of rotor punching 11 offers rotor 12, the inner chamber of rotor 12 is the wide and mode that is progressively inside side, border constriction in side, outer border, and groove top, the bottom land of described rotor 12 are circular arc.Above-mentioned rotor punching 11 offers 30 rotor 12, in rotor 12, all perfusion is substantial aluminum metal.
Further, the rear end of said machine casing 1 is covered with fan housing 13, and described fan housing 13 encloses formation one closed cavity with the rear end face of casing 1, and described closed cavity is provided with fan 14 on the rear end face being positioned at casing.And the front end of casing 1 is provided with the front end housing 15 for sealing, the rear end 16 that the rear end of casing 1 is provided with for sealing is covered, casing 1 is provided with shaft bearing 17 in the corresponding position with front end housing 15, rear end cap 16, and all self-corresponding shaft bearing 17 in two ends of rotating shaft 2 stretches out.
Further, the winding coil number of turn of main winding 5 and auxiliary winding 6 is Sine distribution form, thereby eliminate in operation and cause jiggly factor, improve traveling comfort, the interior border of stator pack 4 offers stator slot, main winding 5 and auxiliary winding 6 embed in concentric type in stator slot, the overall wire that simultaneously winding coil of the overall wire bag that formed of the winding coil of main winding 5 and auxiliary winding 6 is formed wraps in stator slot and does not overlap, coordinate and be embedded the multiple subharmonic that mode effectively eliminates three times and three, eliminate in operation and cause jiggly factor, improve traveling comfort.
Its concrete running is as follows:
When energized, centrifugal switch 10 on the auxiliary winding 6 of stator pack 4 closes, namely electric current is by being connected on the start-up capacitance 8 on auxiliary winding 6 circuit, effect due to start-up capacitance 8 makes electric current 90 electrical degree in the advanced main winding 5 of the electric current in auxiliary winding 6, and the simultaneously conglobate rotating magnetic field of shape, rotating shaft 2 exerts a force and turns by the detent torque that further acquisition is larger, thus realizes the detent torque that monopole asynchronous motor also can have high strength, and guarantees to drive heavy duty running.When rotating shaft 2 rotating speed reaches the 70%-85% of synchronous speed, centrifugal switch 10 is thrown off disconnection, and running capacitor 9 is communicated with simultaneously, makes it keep connection running capacitor 9, to ensure that motor operationally has good performance index.Main winding 5 and the auxiliary winding 6 of stator pack 4 all pass through alternating current, establish armature magnetomotive force, namely single phase alternating current (A.C.) winding passes into single phase alternating current (A.C.) and produces pulsating mmf, this magnetomotive force can be analyzed to two rotating mmfs that amplitude is equal, rotating speed is contrary and, thus in air gap set up rotate and reverse magnetic field and.These two rotating magnetic field cuttings from the solid cover rotor 3 as conductor, and produce induced electromotive force and induced current respectively in solid cover rotor 3, and the attempt of forward electromagnetic torque makes solid cover rotor 3 rotate forward; Reverse electromagnetic torque attempt makes solid cover rotor 3 reverse, and it is exactly the synthesis torque promoting motor rotation that these two torques stack up.
Through the improved monopole asynchronous motor of structure optimization, confirmed by practical operation, the ratio index of its locked-rotor torque and nominal torque reaches 2.2 to 2.8 times, exceeds 1.7 times of standard-required; The ratio index of its breakdown torque and nominal torque reaches 1.9 to 2.2 times, exceeds 1.7 times of standard-required, and the desired value of locked rotor current does not increase simultaneously.Effectively enhance detent torque by the monopole asynchronous motor after above-mentioned data value visible structure optimization, realize this monopole asynchronous motor and dynamic loading can be with under heavy duty state to start running.
Certainly; more than illustrate and be only preferred embodiment of the present utility model; the utility model is not limited to enumerate above-described embodiment; should be noted that; any those of ordinary skill in the art are under the instruction of this specification; made all equivalently to substitute, obvious variant, within the essential scope all dropping on this specification, protection of the present utility model ought to be subject to.
Claims (6)
1. family's mincer low-temperature-rise, low noise high torque (HT) monopole asynchronous motor, it comprises casing, it is characterized in that, a rotating shaft is furnished with in casing, rotating shaft periphery is provided with solid cover rotor, casing inner circumferential offers stator slot, stator pack is furnished with in stator slot, stator pack comprises main winding and auxiliary winding, main winding and auxiliary winding all have outlet head end and outlet tail end, the outlet head end of auxiliary winding is connected a capacitance group, and the outlet head end of main winding and auxiliary winding, outlet tail end are all by circuit and a control element connection; Capacitance group comprises start-up capacitance and running capacitor, and start-up capacitance and running capacitor are that parallel way is connected on the outlet head end of auxiliary winding, and be provided with centrifugal switch with on the branch road of start-up capacitance, centrifugal switch is arranged on the front end of casing.
2. family according to claim 1 mincer low-temperature-rise, low noise high torque (HT) monopole asynchronous motor, it is characterized in that, admittedly cover rotor has rotor punching, the border of rotor punching offers rotor, the inner chamber of rotor is the wide and mode that is progressively inside side, border constriction in side, outer border, and the groove top of described rotor, bottom land are circular arc.
3. family according to claim 2 mincer low-temperature-rise, low noise high torque (HT) monopole asynchronous motor, is characterized in that, above-mentioned rotor punching offers 30 rotor, and in rotor, all perfusion is substantial aluminum metal.
4. family according to claim 1 mincer low-temperature-rise, low noise high torque (HT) monopole asynchronous motor, it is characterized in that, the rear end of said machine casing is covered with fan housing, the rear end face of described fan housing and casing encloses formation one closed cavity, and described closed cavity is provided with fan on the rear end face being positioned at casing.
5. family according to claim 1 mincer low-temperature-rise, low noise high torque (HT) monopole asynchronous motor, it is characterized in that, the front end of said machine casing is provided with the front end housing for sealing, the rear end of casing is provided with the rear end cap for sealing, casing is provided with shaft bearing in the corresponding position with front end housing, rear end cap, and all self-corresponding shaft bearing in two ends of rotating shaft stretches out.
6. family according to claim 1 mincer low-temperature-rise, low noise high torque (HT) monopole asynchronous motor, it is characterized in that, the winding coil number of turn of above-mentioned main winding and auxiliary winding is Sine distribution form, and main winding and auxiliary winding are that concentric type embeds in corresponding stator slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520681795.7U CN204992990U (en) | 2015-09-06 | 2015-09-06 | Family's meat grinder is with low temperature rise, low noise high rotation torque single -phase asynchronous motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520681795.7U CN204992990U (en) | 2015-09-06 | 2015-09-06 | Family's meat grinder is with low temperature rise, low noise high rotation torque single -phase asynchronous motor |
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| CN204992990U true CN204992990U (en) | 2016-01-20 |
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| CN201520681795.7U Active CN204992990U (en) | 2015-09-06 | 2015-09-06 | Family's meat grinder is with low temperature rise, low noise high rotation torque single -phase asynchronous motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017748A (en) * | 2017-05-24 | 2017-08-04 | 福安市伊莱特电机有限公司 | Monophase machine |
| CN107370286A (en) * | 2017-08-14 | 2017-11-21 | 江苏环球特种电机有限公司 | A kind of sound insulation type threephase asynchronous |
-
2015
- 2015-09-06 CN CN201520681795.7U patent/CN204992990U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107017748A (en) * | 2017-05-24 | 2017-08-04 | 福安市伊莱特电机有限公司 | Monophase machine |
| CN107370286A (en) * | 2017-08-14 | 2017-11-21 | 江苏环球特种电机有限公司 | A kind of sound insulation type threephase asynchronous |
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