CN204260663U - Dust catcher - Google Patents
Dust catcher Download PDFInfo
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- CN204260663U CN204260663U CN201420700562.2U CN201420700562U CN204260663U CN 204260663 U CN204260663 U CN 204260663U CN 201420700562 U CN201420700562 U CN 201420700562U CN 204260663 U CN204260663 U CN 204260663U
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- dust
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Abstract
The utility model discloses a kind of dust catcher, described dust catcher comprises: housing and the dust-precipitating system, impeller and the permanent magnetic DC brushless electric machine that are located in housing, wherein impeller to be located in housing and to be positioned at the downstream of dust-precipitating system, permanent magnetic DC brushless electric machine is connected with impeller and is positioned at the side away from dust-precipitating system of impeller, permanent magnetic DC brushless electric machine comprises the permanent magnet of stator, rotor and bulk, rotor and stator are coaxially arranged, and rotor is rotatable relative to stator, permanent magnet is fixed on rotor.According to dust catcher of the present utility model, by arranging permanent magnetic DC brushless electric machine in dust catcher, thus eliminate excitation loss, improve power output and the efficiency of motor, and then improve suction and the overall performance of dust catcher, and because the structure of permanent magnetic DC brushless electric machine of the present utility model is simple, be convenient to processing, thus effectively can enhance productivity, reduce production cost, and then reduce the holistic cost of dust catcher.
Description
Technical field
The utility model relates to cleaner installations field, especially relates to a kind of dust catcher.
Background technology
The electric fan assembly comprising impeller and motor is installed in dust catcher usually, to provide vacuum environment to dust catcher, thus meet the demand of dust suction, but, in correlation technique, the excitation loss of the motor of dust catcher is higher, efficiency is lower, energy consumption is larger, cause the suction of dust catcher more weak, be difficult to meet daily demand.
Utility model content
The utility model is intended at least to solve one of technical problem existed in prior art.For this reason, the utility model is to propose a kind of dust catcher, and the suction of described dust catcher is strong, cost is low.
According to dust catcher of the present utility model, comprising: housing, described housing is formed with suction port and the exhaust outlet of spaced apart setting, in described housing, is provided with electric-controlled plate; Dust-precipitating system, described dust-precipitating system is located in described housing to filter the fluid entered in described housing from described suction port; Impeller, described impeller to be located in described housing and to be positioned at the downstream of described dust-precipitating system; And permanent magnetic DC brushless electric machine, described permanent magnetic DC brushless electric machine is located in described housing, described permanent magnetic DC brushless electric machine is connected with described impeller and is positioned at the side away from described dust-precipitating system of described impeller, described permanent magnetic DC brushless electric machine comprises the permanent magnet of stator, rotor and bulk, described rotor and described stator are coaxially arranged, and described rotor is rotatable relative to described stator, described permanent magnet is fixed on described rotor.
According to dust catcher of the present utility model, by arranging permanent magnetic DC brushless electric machine in dust catcher, thus eliminate excitation loss, improve power output and the efficiency of motor, and then improve suction and the overall performance of dust catcher, and because the structure of permanent magnetic DC brushless electric machine of the present utility model is simple, be convenient to processing, thus effectively can enhance productivity, reduce production cost, and then reduce the holistic cost of dust catcher.
Particularly, described permanent magnet is located at the side of the described stator of vicinity of described rotor.
Further, described dust catcher comprises further: protective sleeve, and described protective sleeve is located on described rotor to be fixed on described rotor by described permanent magnet.
Particularly, described protective sleeve comprises: the linkage section being formed as ring-type, and described linkage section is connected to one end of described rotor; And canned paragraph, one end of described canned paragraph is connected to the periphery of described linkage section, and described canned paragraph arranges around described rotor and is spaced apart from each other to limit holding tank with the periphery of described rotor, and wherein said permanent magnet is contained in described holding tank.
Alternatively, described permanent magnet is the uniform intervals distribution in the circumference of described rotor of multiple and described multiple permanent magnet.
Further, described electric-controlled plate is positioned at the side axially of described rotor, and the side of the described rotor of vicinity of described electric-controlled plate is provided with sensor, and the contiguous described permanent magnet of described sensor is arranged.
Particularly, one end of the described electric-controlled plate of vicinity of described stator is provided with insulating part, and described insulating part is provided with the projection extended towards described electric-controlled plate, and one end away from described stator of described projection contacts with described electric-controlled plate.
Alternatively, described permanent magnet is magnet steel part.
Alternatively, described rotor is located at inside or the outside of described stator.
Alternatively, described permanent magnet is bonded to described rotor.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the profile of the electric fan assembly according to the utility model embodiment;
Fig. 2 is the schematic diagram of the electric fan assembly shown in Fig. 1;
Fig. 3 is the partial schematic diagram of the permanent magnetic DC brushless electric machine shown in Fig. 1;
Fig. 4 is the part explosive view of the permanent magnetic DC brushless electric machine shown in Fig. 1.
Reference numeral:
1000: electric fan assembly;
100: impeller; 101: fan housing; 1011: air inlet; 102: threaded fastener;
200: permanent magnetic DC brushless electric machine;
1: frame; 11: air outlet;
2: stator; 21: track ring; 22: stator tooth; 23: fixed part; 24: stator slot;
3: rotor; 4: permanent magnet; 5: rotating shaft;
6: protective sleeve; 61: linkage section; 62: canned paragraph;
71: the first insulating parts; 711: the first connecting portion of annular; 712: first end face; 713: insertion section;
72: insulating part; 721: the second connecting portion of annular; 722: the second end face portion; 723: protruding; 724: buckle;
8: built-in electric control plate; 9: sensor.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the utility model.In addition, the utility model can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the utility model provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.
Below with reference to Fig. 1-Fig. 4, the dust catcher (scheming not shown) according to the utility model embodiment is described.
As shown in Figure 1, according to the dust catcher of the utility model embodiment, comprising: housing (scheming not shown), dust-precipitating system (scheming not shown), impeller 100 and permanent magnetic DC brushless electric machine 200.
Particularly, housing is formed with suction port and the exhaust outlet of spaced apart setting, thus when forming vacuum environment in housing, the air of hull outside can by air entry suction casing, discharge from exhaust outlet again, dust-precipitating system is located in housing with to from suction port, the air entered in housing filters, that is, dust-precipitating system is located in housing, and between suction port and exhaust outlet, thus the air in inflow housing first through the filtration of dust-precipitating system, then can be discharged from exhaust outlet, thus reach the effect of dust suction.
Further, permanent magnetic DC brushless electric machine 200 is connected with impeller 100 (such as can be connected by rotating shaft hereinafter described 5) and be all located in housing, wherein, the flow direction of air in housing, impeller 100 (or claiming fan) is positioned at the downstream of dust-precipitating system, that is, air enters in housing, can first through the filtration of dust-precipitating system, flow to impeller 100 again, permanent magnetic DC brushless electric machine 200 is positioned at the side away from dust-precipitating system of impeller 100, that is, after air flow impeller 100, flow to permanent magnetic DC brushless electric machine 200 again, thus permanent magnetic DC brushless electric machine 200 can drives impeller 100 rotate to make to form vacuum environment in housing, like this, the air of hull outside can by air entry suction casing, then through the filtration of dust-precipitating system, discharge from exhaust outlet again, thus reach the effect of dust suction.
Again further, electric-controlled plate is provided with in housing, electric-controlled plate is electrically connected with permanent magnetic DC brushless electric machine 200, dust catcher is in the process used, user can input instruction to electric-controlled plate, whether work to control permanent magnetic DC brushless electric machine 200 and regulate the duty of permanent magnetic DC brushless electric machine 200, thus realizing controlling the entirety of dust catcher.
Particularly, permanent magnetic DC brushless electric machine 200 comprises stator 2, rotor 3 and permanent magnet 4, and wherein permanent magnet 4 is formed as block, and rotor 3 and stator 2 are coaxially arranged, and rotor 3 is rotatable relative to stator 2, and permanent magnet 4 is fixed on rotor 3.Such as in the example of fig. 1, permanent magnetic DC brushless electric machine 200 can be internal rotor permanent magnet formula DC brushless motor 200, now rotor 3 is located at the inside of stator 2, that is, rotor 3 is arranged on the inner side of stator 2 coaxially, preferably, permanent magnet 4 is located at the side of the adjacent stator 2 of rotor 3, that is, permanent magnet 4 is located between rotor 3 and stator 2, and around being located on the periphery wall of rotor 3.Thus, this kind of permanent magnetic DC brushless electric machine 200 eliminates excitation loss, and its efficiency and power output are all very high, thus effectively can improve the suction of dust catcher, reaches better pick-up performance, strengthens suction sense when user uses.Alternatively, permanent magnet 4 is magnet steel part.Certainly, the utility model is not limited thereto, and permanent magnet 4 can also be made up of other materials, such as magnetite etc.
In addition, rotor 3 can also be located at the outside (scheming not shown) of stator 2, and such as, rotor 3 can be arranged on the outside of stator 2 coaxially.Preferably, permanent magnet 4 is located at the side of the adjacent stator 2 of rotor 3, and that is, permanent magnet 4 is located between rotor 3 and stator 2, and be looped around on the internal perisporium of rotor 3, now permanent magnetic DC brushless electric machine 200 is external rotor type permanent magnetism formula DC brushless motor 200.Only be described for internal rotor permanent magnet formula DC brushless motor 200 for permanent magnetic DC brushless electric machine 200 below.
In addition, it should be noted that, permanent magnet 4 can not also be located at the side of the adjacent stator 2 of rotor 3, that is, and being oppositely arranged position and can also arranging according to actual requirement, to meet actual requirement better of rotor 3 and permanent magnet 4.
Wherein, rotor 3 and stator 2 can be the rotor core and stator core that are formed by stacking by silicon steel sheet riveting of colding pressing respectively.Alternatively, permanent magnet 4 is bonded to rotor 3, and that is, permanent magnet 4 can be connected on the periphery wall of rotor 3 by the mode of pasting.Thus, the processing mode of permanent magnetic DC brushless electric machine 200 is simple, and low cost of manufacture, greatly can improve working (machining) efficiency, reduces production cost.
According to the dust catcher of the utility model embodiment, by arranging permanent magnetic DC brushless electric machine 200 in dust catcher, thus eliminate excitation loss, improve power output and the efficiency of motor 200, and then improve suction and the overall performance of dust catcher, and because the structure of permanent magnetic DC brushless electric machine 200 of the present utility model is simple, be convenient to processing, thus effectively can enhance productivity, reduce production cost, and then reduce the holistic cost of dust catcher.
As shown in Figure 1, in an embodiment of the present utility model, permanent magnetic DC brushless electric machine 200 can be assemblied in frame 1, impeller 100 can be assemblied in fan housing 101, wherein fan housing 101 is formed with the air inlet 1011 run through, frame 1 is formed with the air outlet 11 run through, fan housing 101 can be fixed together by threaded fastener 102 with frame 1, together with permanent magnetic DC brushless electric machine 200 is limited to impeller 100, to form electric fan assembly 1000.
Wherein permanent magnetic DC brushless electric machine 200 can be connected by rotating shaft 5 with impeller 100, one end of its shaft 5 is stretched into and is engaged in rotor 3, the other end of rotating shaft 5 stretches into and is engaged in impeller 100, thus rotor 3 can be rotated by rotating shaft 5 drives impeller 100, fan housing 101 can be flowed into by air inlet 1011 to make the air in housing, discharge frame 1 from air outlet 11 again, thus make to produce vacuum environment in housing.
Preferably, with reference to Fig. 1, air inlet 1011 is formed in the side away from permanent magnetic DC brushless electric machine 200 of fan housing 101, and it is relative with the axle head of rotating shaft 5, air outlet 11 is formed on the perisporium of frame 1, and with one end away from impeller 100 and permanent magnetic DC brushless electric machine 200 of rotating shaft 5 diametrically.
As shown in figures 1 and 3, stator 2 can be linked together with the internal perisporium of frame 1 from the fixed part 23 that the periphery wall of stator 2 is outwardly by four, and other parts of stator 2 periphery wall and the internal perisporium of frame 1 spaced apart to limit flow clearance, so that the air flowed in fan housing 101 from air inlet 1011 can flow through from flow clearance, finally to flow out frame 1 from air outlet 11.Preferably, the diapire away from impeller 100 of frame 1 and stator 2 the side away from impeller 100 (upside such as shown in Fig. 1) end face between space larger, thus the inspiratory capacity of dust catcher can be improved further, improve the pick-up performance of dust catcher further.
Wherein, permanent magnet 4 is the uniform intervals distribution in the circumference of rotor 3 of multiple and multiple permanent magnet 4.Such as in the example of fig. 1, the periphery wall of rotor 3 is bonded with four permanent magnets 4 of opening of uniform intervals each other.Thus, can user demand be met, and the performance of motor 200 can be ensured.Here, it should be noted that, the quantity of permanent magnet 4 is relevant with the number of poles of motor 200, and such as three four extremely electricity and four permanent magnets 4 match.
Further; as shown in Figure 1; dust catcher can also comprise protective sleeve 6; protective sleeve 6 is located on rotor 3 to be fixed on rotor 3 by permanent magnet 4; thus permanent magnet 4 can be fixed on rotor 3 by protective sleeve 6 securely, the problem avoid in the process of rotor 3 and permanent magnet 4 rotation, permanent magnet 4 is separated with rotor 3, flying out from rotor 3; thus improve the connection reliability of rotor 3 and permanent magnet 4, and then improve the reliability of permanent magnetic DC brushless electric machine 200 work.
Such as in a concrete example of the present utility model, with reference to Fig. 1, protective sleeve 6 comprises: linkage section 61 and canned paragraph 62, linkage section 61 is formed as ring-type, linkage section 61 is connected to one end of rotor 3, such as be connected to one end of the adjacent impeller 100 of rotor 3, preferably, the annular diameters of linkage section 61 is less than the external diameter of rotor 3 and is greater than the internal diameter of rotor 3, the outer shroud edge of linkage section 61 is mutually concordant with the outer rim of permanent magnet 4, thus, during assembling, the end face away from impeller 100 of linkage section 61 can be bonded together by colloid with the end face of permanent magnet 4 and rotor 3 simultaneously, to ensure the connection fixing of permanent magnet 4 and rotor 3.
Further, canned paragraph 62 surrounding rotor 3 arranges and is spaced apart from each other to limit holding tank with the periphery of rotor 3, wherein permanent magnet 4 is contained in holding tank, such as in the example of fig. 1, canned paragraph 62 can be formed as cylindric, and be set on the periphery wall of permanent magnet 4 coaxially with rotor 3, wherein, the axial length of canned paragraph 62 is equal with the axial length of permanent magnet 4, and the axial length of rotor 3 can be greater than simultaneously, preferably, one end of the adjacent impeller 100 of canned paragraph 62, one end of one end of the adjacent impeller 100 of permanent magnet 4 and the adjacent impeller 100 of rotor 3 is concordant, and one end of the adjacent impeller 100 of canned paragraph 62 is connected on the periphery wall of linkage section 61.Thus, during assembling, the internal perisporium of canned paragraph 62 and permanent magnet 4 can be bonded together by colloid, to ensure the connection fixing of permanent magnet 4 and rotor 3 further.
Preferably, protective sleeve 6 is one-body molded, that is, linkage section 61 and canned paragraph 62 one-body molded.Like this; by arranging convenient processing; and be convenient to the protective sleeve 6 of installation; effectively can improve the connection fixing of permanent magnet 4 and rotor 3; avoid in the process of rotor 3 and permanent magnet 4 rotation; the problem that permanent magnet 4 is separated with rotor 3, fly out from rotor 3, thus the reliability that improve permanent magnetic DC brushless electric machine 200 work.
Particularly, electric-controlled plate is positioned at the side axially of rotor 3, and the side of the adjacent rotor 3 of electric-controlled plate is provided with sensor 9, and sensor 9 near permanent magnet 4 is arranged, and wherein, sensor 9 can be three, and the setting that is spaced apart from each other.Such as in the example of fig. 1, electric-controlled plate can comprise: built-in electric control plate 8 and external electric-controlled plate (scheming not shown), wherein external electric-controlled plate is located on the housing of dust catcher, built-in electric control plate 8 can be located in frame 1 and to be positioned at the side axially of rotor 3, such as can be positioned at the side away from impeller 100 (upside such as shown in Fig. 1) of rotor 3, sensor 9 is located between built-in electric control plate 8 and permanent magnetic DC brushless electric machine 200, and sensor 9 can be fixed on built-in electric control plate 8, and be electrically connected with electric-controlled plate, electric-controlled plate is electrically connected with winding coil on the stator 2 simultaneously.
Thus; electric-controlled plate can to coil with electric current; thus the coil of energising produces the magnetic field driving permanent magnet 4 to rotate; because permanent magnet 4, protective sleeve 6, rotor 3 and rotating shaft 5 are fixed together; thus permanent magnet 4 can drive protective sleeve 6, rotor 3 and rotating shaft 5 synchronous axial system, thus rotating shaft 5 can drives impeller 100 work, to manufacture vacuum environment; make air can flow into from air inlet 1011, flow out from air outlet 11 again, and then realize the function of dust suction.
Further, electric-controlled plate is preset with suction gear, when user heightens the instruction of suction gear to external electric-controlled plate input, external electric-controlled plate sends the signal to coil supercharging to built-in electric-controlled plate 8, to improve the rotating speed of rotor 3, now sensor 9 can the change of rotating speed of detection rotor 3, and feed back to electric-controlled plate, when the rotating speed of rotor 3 meets the requirement of corresponding gear, electric-controlled plate no longer sends supercharging instruction to coil, now rotor 3 can maintain constant higher rotational speed, thus the suction of dust catcher is improved.
Analogously, when user turns down the instruction of suction gear to external electric-controlled plate input, external electric-controlled plate sends the signal to coil step-down to built-in electric-controlled plate 8, to reduce the rotating speed of rotor 3, now sensor 9 can the change of rotating speed of detection rotor 3, and feeds back to electric-controlled plate, when the rotating speed of rotor 3 meets the requirement of corresponding gear, electric-controlled plate no longer sends step-down instruction to coil, and now rotor 3 can maintain constant lower rotational speed, thus the suction of dust catcher is minimized.
As shown in Figure 3 and Figure 4, in an embodiment of the present utility model, stator 2 comprises track ring 21 and multiple stator tooth 22, multiple stator tooth 22 is located on the internal perisporium of track ring 21 with being evenly spaced apart, stator slot 24 is limited between two adjacent stator tooths 22, coil through corresponding stator slot 24 winding on corresponding stator tooth 22, wherein, need to arrange insulator between coil and stator 2 to keep apart, preferably, the surface of stator 2 is provided with the insulation assembly comprising the first insulating part 71 and insulating part 72, like this, coil just can winding on the stator tooth 22 being provided with insulation assembly, thus ensure that permanent magnetic DC brushless electric machine 200 can normally work effectively.
As shown in Figure 4, first insulating part 71 can comprise: the first connecting portion 711 of annular, multiple first end face 712 and multiple insertion section 713, wherein, first connecting portion 711 of annular and multiple first end face 712 are located at one end away from built-in electric control plate 8 of stator 2, the side end face away from built-in electric control plate 8 for covering stator ring 21 of the first connecting portion 711 of annular, multiple first end face 712 is for covering the side end face away from built-in electric control plate 8 of multiple stator tooth 22, open with the side end face away from built-in electric control plate 8 and inductance loop seclusion that make stator tooth 22, the shape of multiple insertion section 713 is suitable with the shape of multiple stator slot 24 respectively, to cover on the sidewall of stator slot 24, for the sidewall of stator slot 24 and inductance loop seclusion are opened.
Further, with reference to Fig. 4, insulating part 72 is located at one end of the contiguous built-in electric control plate 8 of stator 2, insulating part 72 can comprise: the second connecting portion 721 of annular and multiple second end face portion 722, wherein, the second annular connecting portion 721 is for a side end face of the contiguous built-in electric control plate 8 of covering stator ring 21, multiple first end face 712, for covering a side end face of the contiguous built-in electric control plate 8 of multiple stator tooth 22, is opened for a side end face of the contiguous built-in electric control plate 8 by stator tooth 22 and inductance loop seclusion.
Further, with reference to Fig. 1 and Fig. 4, insulating part 72 is provided with the projection 723 extended towards electric-controlled plate, and one end away from stator 2 of protruding 723 contacts with built-in electric control plate 8.With reference to Fig. 1, protruding 723 can extend from a side end face of the contiguous built-in electric control plate 8 of the second connecting portion 721 of annular towards the direction away from stator 2, and the free end of protruding 723 is only against on a side end face of the adjacent stator 2 of built-in electric control plate 8, thus projection 723 can limit the distance between stator 2 and built-in electric control plate 8 effectively, and then the distance that can limit between rotor 3 and built-in electric control plate 8, that is, define the distance between sensor 9 and rotor 3, thus sensor 9 can play the effect of detection rotor 3 rotating speed effectively, to guarantee that permanent magnetic DC brushless electric machine 200 and dust catcher can normally work effectively.
Preferably, protruding 723 can be multiple, and multiple protruding 723 are spaced to turn up the soil and are arranged on insulating part 72, thus can improve the reliability of location further, the functional reliability of raising sensor 9, and then improves the functional reliability of dust catcher entirety.
In a specific embodiment of the present utility model, with reference to Fig. 4, insulating part 72 can also be provided with the buckle 724 extended towards built-in electric control plate 8 direction, one end away from stator 2 of buckle 724 is connected with built-in electric control plate 8 buckle, thus stator 2 can link together securely with built-in electric control plate 8, thus further ensure that sensor 9 can play the effect of detection rotor 3 rotating speed effectively, ensure that dust catcher can normally work effectively.
In description of the present utility model, it will be appreciated that, term " on ", D score, " interior ", " outward ", " axis ", " radial direction ", the orientation of the instruction such as " circumference " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection, can also be communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (10)
1. a dust catcher, is characterized in that, comprising:
Housing, described housing is formed with suction port and the exhaust outlet of spaced apart setting, is provided with electric-controlled plate in described housing;
Dust-precipitating system, described dust-precipitating system is located in described housing to filter the fluid entered in described housing from described suction port;
Impeller, described impeller to be located in described housing and to be positioned at the downstream of described dust-precipitating system; And
Permanent magnetic DC brushless electric machine, described permanent magnetic DC brushless electric machine is located in described housing, described permanent magnetic DC brushless electric machine is connected with described impeller and is positioned at the side away from described dust-precipitating system of described impeller, described permanent magnetic DC brushless electric machine comprises the permanent magnet of stator, rotor and bulk, described rotor and described stator are coaxially arranged, and described rotor is rotatable relative to described stator, described permanent magnet is fixed on described rotor.
2. dust catcher according to claim 1, is characterized in that, described permanent magnet is located at the side of the described stator of vicinity of described rotor.
3. dust catcher according to claim 2, is characterized in that, comprises further:
Protective sleeve, described protective sleeve is located on described rotor to be fixed on described rotor by described permanent magnet.
4. dust catcher according to claim 3, is characterized in that, described protective sleeve comprises:
Be formed as the linkage section of ring-type, described linkage section is connected to one end of described rotor; With
Canned paragraph, one end of described canned paragraph is connected to the periphery of described linkage section, and described canned paragraph arranges around described rotor and is spaced apart from each other to limit holding tank with the periphery of described rotor, and wherein said permanent magnet is contained in described holding tank.
5. dust catcher according to claim 1, is characterized in that, described permanent magnet is the uniform intervals distribution in the circumference of described rotor of multiple and described multiple permanent magnet.
6. dust catcher according to claim 1, is characterized in that, described electric-controlled plate is positioned at the side axially of described rotor, and the side of the described rotor of vicinity of described electric-controlled plate is provided with sensor, and the contiguous described permanent magnet of described sensor is arranged.
7. dust catcher according to claim 6, it is characterized in that, one end of the described electric-controlled plate of vicinity of described stator is provided with insulating part, and described insulating part is provided with the projection extended towards described electric-controlled plate, and one end away from described stator of described projection contacts with described electric-controlled plate.
8. dust catcher according to claim 1, is characterized in that, described permanent magnet is magnet steel part.
9. the dust catcher according to any one of claim 1-8, is characterized in that, described rotor is located at inside or the outside of described stator.
10. dust catcher according to claim 1, is characterized in that, described permanent magnet is bonded to described rotor.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420700562.2U CN204260663U (en) | 2014-11-20 | 2014-11-20 | Dust catcher |
| PCT/CN2015/084314 WO2016078434A1 (en) | 2014-11-20 | 2015-07-17 | Dust collector |
| EP15861687.0A EP3222180B1 (en) | 2014-11-20 | 2015-07-17 | Dust collector |
| CA2968127A CA2968127A1 (en) | 2014-11-20 | 2015-07-17 | Dust collector |
| US15/528,514 US20170296020A1 (en) | 2014-11-20 | 2015-07-17 | Dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420700562.2U CN204260663U (en) | 2014-11-20 | 2014-11-20 | Dust catcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204260663U true CN204260663U (en) | 2015-04-15 |
Family
ID=52795569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420700562.2U Expired - Fee Related CN204260663U (en) | 2014-11-20 | 2014-11-20 | Dust catcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204260663U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016078434A1 (en) * | 2014-11-20 | 2016-05-26 | 江苏美的清洁电器股份有限公司 | Dust collector |
| CN105662268A (en) * | 2014-11-20 | 2016-06-15 | 江苏美的清洁电器股份有限公司 | Dust collector |
| CN105827089A (en) * | 2016-05-20 | 2016-08-03 | 深圳市万至达电机制造有限公司 | Vacuum cleaner high-speed brushless DC permanent magnet motor |
| WO2021254195A1 (en) * | 2020-06-19 | 2021-12-23 | 东莞市本末科技有限公司 | Direct drive motor and cleaning robot using same |
-
2014
- 2014-11-20 CN CN201420700562.2U patent/CN204260663U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016078434A1 (en) * | 2014-11-20 | 2016-05-26 | 江苏美的清洁电器股份有限公司 | Dust collector |
| CN105662268A (en) * | 2014-11-20 | 2016-06-15 | 江苏美的清洁电器股份有限公司 | Dust collector |
| CN105662268B (en) * | 2014-11-20 | 2021-03-05 | 江苏美的清洁电器股份有限公司 | Vacuum cleaner |
| CN105827089A (en) * | 2016-05-20 | 2016-08-03 | 深圳市万至达电机制造有限公司 | Vacuum cleaner high-speed brushless DC permanent magnet motor |
| CN105827089B (en) * | 2016-05-20 | 2019-10-25 | 深圳市万至达电机制造有限公司 | Dust catcher high-speed brushless direct-current permanent magnet motor |
| WO2021254195A1 (en) * | 2020-06-19 | 2021-12-23 | 东莞市本末科技有限公司 | Direct drive motor and cleaning robot using same |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: No. 39 Cao Hu road Xiangcheng Economic Development Zone in Suzhou City, Jiangsu province 215100 Patentee after: JIANGSU MIDEA CLEANING APPLIANCES Co.,Ltd. Address before: River Road, Suzhou City, Jiangsu Province, Li Xiangcheng District No. 999 215131 Patentee before: JIANGSU MIDEA CHUNHUA ELECTRIC APPLIANCE Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20211120 |