WO2016061768A1 - Electric motor and washing pump having same - Google Patents
Electric motor and washing pump having same Download PDFInfo
- Publication number
- WO2016061768A1 WO2016061768A1 PCT/CN2014/089185 CN2014089185W WO2016061768A1 WO 2016061768 A1 WO2016061768 A1 WO 2016061768A1 CN 2014089185 W CN2014089185 W CN 2014089185W WO 2016061768 A1 WO2016061768 A1 WO 2016061768A1
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- WIPO (PCT)
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- stator
- stator core
- bearing chamber
- motor
- hole
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
Definitions
- the invention relates to an electric machine and a washing pump having the same.
- a motor of a washing pump such as a dishwasher has a poor heat dissipation effect of a BMC (Block Molded Plastic) injection molded structure of a stator, resulting in an increase in temperature of the motor, and thus there is an improvement in demand.
- BMC Block Molded Plastic
- the present invention aims to solve at least one of the technical problems in the related art to some extent. To this end, the present invention proposes an electric motor which has the advantages of good heat dissipation effect and the like.
- the invention also proposes a washing pump having the electric machine.
- an embodiment of a first aspect of the present invention provides an electric motor including: a stator including a stator core, an insulating frame disposed on the stator core, and a winding a stator winding on the insulating frame, the stator has a front bearing chamber at a front end of the stator core and a rear bearing chamber at a rear end of the stator core, and the stator is provided with the stator core An air inlet hole and an air outlet hole communicating with the outside cavity, the air inlet hole being located between the front bearing chamber and the stator core, and the air outlet hole being located at the rear bearing chamber and the stator Between the iron cores; the rotor is disposed in the stator, and the rotor shaft of the rotor is supported on the stator through a front bearing disposed in the front bearing chamber and a rear bearing disposed in the rear bearing chamber Inside, the rear end of the rotor is provided with a heat dissipating fan blade.
- the motor according to the embodiment of the invention has the advantages of good heat dissipation effect and the like.
- the front bearing chamber is defined by a front metal bracket provided at a front end of the stator core, and the front metal bracket has an annular end plate on an outdoor side of the front bearing, the A wind hole is provided on the annular end plate.
- the front bearing chamber is defined by a front injection layer coated on a front end of the stator core, the front injection layer having an annular end portion on an outdoor side of the front bearing, An air inlet hole is provided on the annular end.
- the rear bearing chamber is defined by a post injection layer coated on a rear end of the stator core, the post injection layer having an outer side of the rear bearing and supporting the rear bearing chamber a plastic sealing bracket, the air outlet hole being disposed on the plastic sealing bracket.
- the rear bearing chamber is defined by a rear metal bracket provided at a rear end of the stator core
- the air outlet hole is disposed on the rear metal bracket.
- the rear bearing chamber is provided with a metal end cap, and the rear bearing is mounted in the metal end cap.
- the front end face of the stator core is formed by plasticizing to form a fitting hole, and the front metal bracket is interference-fitted with the fitting hole.
- the front metal bracket is provided with a grounding mounting hole.
- the plastic sealing bracket is provided with a sinking groove for increasing the heat dissipation area.
- the air outlet holes are plural and are arranged along a circumferential interval of the plastic sealing bracket.
- the trailing edge of the heat dissipating vane extends rearward beyond the bottom wall of the air outlet and is exposed from the air outlet.
- a washing pump comprising: a pump casing and a motor, the motor being the motor according to the first aspect of the invention, the pump casing and the motor Connected.
- the washing pump according to the embodiment of the invention has the advantages of good heat dissipation effect and the like.
- the washing pump further includes a capacitor
- the pump casing has a mounting arm, and a free end of the mounting arm is provided with a mounting hole, and the capacitor is mounted by a bolt fitted in the mounting hole On the mounting arm.
- the outer wall of the stator is provided with a connecting boss, and the pump casing abuts against the connecting boss and is connected to the connecting boss by a bolt.
- FIG. 1 is an exploded view of a wash pump in accordance with an embodiment of the present invention.
- FIG. 2 is a schematic structural view of a washing pump in accordance with an embodiment of the present invention.
- FIG. 3 is a schematic structural view of a washing pump in accordance with an embodiment of the present invention.
- FIG. 4 is a schematic structural view of a washing pump in accordance with an embodiment of the present invention.
- FIG. 5 is a schematic view showing the structure of a washing pump in accordance with an embodiment of the present invention.
- Figure 6 is a cross-sectional view of a wash pump in accordance with an embodiment of the present invention.
- Fig. 7 is a schematic structural view of a rotor of a motor according to an embodiment of the present invention.
- FIG. 8 is a schematic structural view of a front metal bracket of a motor according to an embodiment of the present invention.
- washing pump 1 pump casing 10, mounting arm 11, mounting hole 12, motor 20, capacitor 30, stator 100, stator core 110, insulating frame 120, rear bearing chamber 130, fitting hole 140, sinking groove 150
- the air outlet 160 the connecting boss 170, the post injection layer 180, the plastic sealing bracket 190, the metal end cover 131, the front metal bracket 200, the front bearing chamber 210, the air inlet 220, the ground mounting hole 230, the annular end plate 240,
- a motor 20 includes a stator 100 and a rotor 300.
- the stator 100 includes a stator core 110, an insulating frame 120 disposed on the stator core 110, and stator windings (not shown) wound around the insulating frame 120.
- the stator 100 has a front bearing chamber 210 at the front end of the stator core 110 and a rear bearing chamber 130 at the rear end of the stator core 110 (the front-rear direction is indicated by an arrow A in the drawing).
- the stator 100 is provided with an air inlet hole 220 and an air outlet hole 160 for communicating the inner cavity of the stator core 110 with the outside.
- the air inlet hole 220 is located between the front bearing chamber 210 and the stator core 110, and the air outlet hole 160 is located. Between the rear bearing chamber 130 and the stator core 110.
- the rotor 300 is disposed in the stator 100.
- the rotor shaft 310 of the rotor 300 is supported in the stator 100 through a front bearing 400 disposed in the front bearing chamber 210 and a rear bearing 500 disposed in the rear bearing chamber 130.
- the rear end of the rotor 300 is provided.
- the air outlet hole 160 and the air inlet hole 220 that communicate the inner cavity of the stator core 110 with the outside are provided, and the heat dissipation vane 320 is disposed at the rear end surface of the rotor 300, so that the rotor When rotating, the outside air is introduced through the air inlet 220, and the introduced cold air flows to the front end through the gap between the outer circumferential surface of the rotor 300 and the inner circumferential surface of the stator core 110, and is carried in the flow.
- the heat in the inner cavity of the stator core 110 is taken out and finally discharged through the air outlet hole 160, thereby reducing the overall temperature rise of the motor 20. Therefore, the motor 20 according to the embodiment of the present invention has advantages such as a good heat dissipation effect.
- a motor 20 in accordance with an embodiment of the present invention includes a stator 100 and a rotor 300.
- the front bearing chamber 210 is defined by a front metal bracket 200 provided at the front end of the stator core 110.
- the front metal bracket 200 has an annular end plate 240 located outside the front bearing chamber 210, and the air inlet holes 220 are provided on the annular end plate 240.
- the air inlet holes 220 are long holes (ie, arc holes) extending along the circumferential direction of the annular end plate 240 , and the air inlet holes 220 may be plural and along the circumference of the annular end plate 240 . Set to equal spacing. In this way, under the condition of ensuring the structural strength of the front metal bracket 200, the surface area of the front metal bracket 200 can be utilized to the maximum extent, and the area of the air inlet hole 220 can be ensured, thereby improving the heat dissipation effect of the air inlet hole 220.
- the front end surface of the stator core 110 is formed into a matching hole 140 by overmolding, and the front metal bracket 200 is interference-fitted with the matching hole 140 to realize positioning and mounting of the front metal bracket 200 .
- the cost of the stretched front metal bracket 200 is much lower than the cost of cast aluminum or injection molding in the prior art, To reduce material costs. And since the front bearing chamber 210 does not need to be subjected to secondary processing, the coaxiality of the front bearing 400 and the rear bearing 500 can be facilitated, thereby reducing the noise of the motor 20.
- the front metal bracket 200 is provided with a grounding mounting hole 230, and the grounding mounting hole 230 may be an inner flanged hole.
- the grounding device can be directly mounted on the front metal bracket 200 by screws fitted in the grounding mounting hole 230, thereby improving the safety of the operation of the motor 20.
- the rear bearing chamber 130 is defined by a post injection layer 180 that is wrapped over the stator core 110.
- the post-injection layer 180 has a plastic stent 190 located outside the rear bearing chamber 130 for supporting the reinforced rear bearing chamber 130, and the air outlet 160 is disposed on the plastic stent 190.
- the injection molding is performed, and the stator 100 is injected after the injection molding, thereby eliminating the post-order processing of the stator 100, thereby saving a large amount of manpower and material resources, simplifying the manufacturing process, and shortening the production cycle. And semi-finished product turnaround time.
- the rear bearing chamber 130 is directly formed by the post-injection layer 180, and the rear bearing 500 for supporting the rear end of the rotor shaft 310 can be received, so that the rear end cover of the motor in the prior art can be omitted, which not only simplifies assembly but also can be simplified. Reduce material costs.
- the rear end surface of the plastic sealing bracket 190 is provided with a sinking groove 150, and the air outlet hole 160 is located on the inner wall of the sinking groove 150.
- the sinking grooves 150 are generally fan-shaped, and the plurality of sinking grooves 150 are disposed at equal intervals along the circumferential direction of the rear end surface of the plastic sealing bracket 190. Therefore, the heat sinking area of the plastic sealing bracket 190 can be increased by using the sinking groove 150, thereby facilitating the heat dissipation of the motor 20.
- a mesh hole (not shown) is disposed on the wall of the sinking groove 150, so that heat in the stator 100 can be further directly passed through the cold air entering the mesh hole. Heat exchange.
- the air outlet holes 160 may be plural and arranged along the circumferential interval of the plastic sealing bracket 190.
- the front bearing chamber 210 may also be defined by a front injection molded layer (not shown) that is wrapped around the front end of the stator core 110.
- the front injection molded layer has an annular end portion on the outdoor side of the front bearing, and an air inlet hole 220 is provided on the annular end portion.
- the post-processing process of the stator 100 can be omitted, thereby saving a lot of manpower and material resources, simplifying the manufacturing process, and shortening the production cycle and the turnaround time of the semi-finished products.
- the front bearing chamber 210 is directly formed by the front injection molding layer, and the front bearing 400 for supporting the rear end of the rotor shaft 310 can be received, so that the front end cover of the motor in the prior art can be omitted, which not only simplifies assembly but also can be simplified. Reduce material costs.
- the rear bearing chamber 130 is defined by a rear metal bracket (not shown) provided at the rear end of the stator core 110, and the air outlet hole 160 is provided on the rear metal bracket.
- a metal end cap 131 (BB is disposed in the rear bearing chamber 130). Cover), the rear bearing 500 is mounted within the metal end cap 131.
- the trailing edge of the heat dissipation blade 320 extends beyond the bottom wall of the air outlet hole 160 and is exposed from the air outlet hole 160, that is, from the air outlet hole 160, To a part of the cooling fins 320.
- the rear end of the heat radiating vane 320 is located rearward of the bottom wall of the air outlet hole 160.
- the heat dissipation fins 320 may be linear or curved.
- the heat dissipating blades 320 are arc-shaped and plural, and are disposed at equal intervals on the rear end surface of the rotor 300.
- a washing pump 1 according to an embodiment of the present invention will be described below with reference to the drawings.
- a washing pump 1 As shown in FIGS. 1-8, a washing pump 1 according to an embodiment of the present invention includes a pump casing 10 and an electric motor.
- the motor is a motor 20 according to the above embodiment of the present invention, and the pump casing 10 is connected to the motor 20.
- the washing pump 1 according to the present invention has an advantage of being excellent in heat dissipation effect by using the motor 20 according to the above-described embodiment of the present invention.
- connection bosses 170 may be disposed adjacent to the pump casing 10 and disposed in pairs in the radial direction of the stator 100, and the pump casing 10 abuts.
- the connecting boss 170 is connected to the connecting boss 170, and the pump casing 10 is connected to the connecting boss 170 by automatic screws or bolts, thereby facilitating the assembly of the pump casing 10 and the motor 20, and the connection is reliable and the operability is high.
- the washing pump 1 further includes a capacitor 30, and the pump casing 10 is provided with an outwardly extending mounting arm 11, and the free end of the mounting arm 11 (ie, away from One end of the pump casing 10 is provided with a mounting hole 12, and the capacitor 30 is mounted on the mounting arm 11 by bolts fitted in the mounting hole 12. Therefore, the capacitor 30 can be mounted on the pump casing 10, that is, the structure for mounting the capacitor 30 is not required to be fabricated on the stator 100, which not only simplifies the structure and manufacturing process of the stator 100, but also facilitates the disassembly and assembly of the capacitor 30 and reliable installation. .
- the washing pump 1 can be used in a dishwasher, and other configurations and operations of the washing pump 1 are known to those skilled in the art and will not be described in detail herein.
- first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining “first” and “second” can be clearly indicated Or implicitly including at least one of the features. In the description of the present invention, the meaning of "a plurality” is at least two, such as two, three, etc., unless specifically defined otherwise.
- the terms “installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. Or in one piece; it may be a mechanical connection, or it may be an electrical connection or a communication with each other; it may be directly connected or indirectly connected through an intermediate medium, and may be an internal connection of two elements or an interaction relationship between two elements. Unless otherwise expressly defined. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
- the first feature "on” or “under” the second feature may be a direct contact of the first and second features, or the first and second features may be indirectly through an intermediate medium, unless otherwise explicitly stated and defined. contact.
- the first feature "above”, “above” and “above” the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature.
- the first feature “below”, “below” and “below” the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.
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Abstract
Disclosed are an electric motor (20) and a washing pump (1) having same. The electric motor (20) comprises a stator (100) and a rotor (300), wherein the stator (100) comprises a stator core (110), an insulation framework (120) and a stator winding, the stator (100) is internally provided with a front bearing chamber (210) located at the front end of the stator core (110) and a rear bearing chamber (130) located at the rear end of the stator core (110), and the stator (100) is provided with an air inlet hole (220) and an air outlet hole (160) for communicating a cavity of the stator core (110) with the outside; and the rotor (300) is arranged in the stator (100), a rotor shaft (310) of the rotor (300) is supported in the stator (100) by a front bearing (400) arranged in the front bearing chamber (210) and a rear bearing (500) arranged in the rear bearing chamber (130), and the rear end of the rotor (300) is provided with heat dissipation fan blades (320).
Description
本发明涉及一种电机和具有该电机的洗涤泵。The invention relates to an electric machine and a washing pump having the same.
相关技术中,诸如洗碗机的洗涤泵的电机,其定子的BMC(团状模塑料)注塑结构的散热效果较差,导致电机温升高,因此存在改进的需求。In the related art, a motor of a washing pump such as a dishwasher has a poor heat dissipation effect of a BMC (Block Molded Plastic) injection molded structure of a stator, resulting in an increase in temperature of the motor, and thus there is an improvement in demand.
发明内容Summary of the invention
本发明旨在至少在一定程度上解决相关技术中的技术问题之一。为此,本发明提出一种电机,该电机具有散热效果好等优点。The present invention aims to solve at least one of the technical problems in the related art to some extent. To this end, the present invention proposes an electric motor which has the advantages of good heat dissipation effect and the like.
本发明还提出一种具有所述电机的洗涤泵。The invention also proposes a washing pump having the electric machine.
为实现上述目的,根据本发明的第一方面的实施例提出一种电机,所述电机包括:定子,所述定子包括定子铁芯、设在所述定子铁芯上的绝缘框架和绕设在所述绝缘框架上的定子绕组,所述定子内具有位于所述定子铁芯前端的前轴承室和位于所述定子铁芯后端的后轴承室,所述定子上设有将所述定子铁芯的内腔与外界连通的进风孔和出风孔,所述进风孔位于所述前轴承室和所述定子铁芯之间且所述出风孔位于所述后轴承室和所述定子铁芯之间;转子,所述转子设在所述定子内,所述转子的转子轴通过设在所述前轴承室内的前轴承和设在所述后轴承室内的后轴承支撑在所述定子内,所述转子的后端设有散热风叶。In order to achieve the above object, an embodiment of a first aspect of the present invention provides an electric motor including: a stator including a stator core, an insulating frame disposed on the stator core, and a winding a stator winding on the insulating frame, the stator has a front bearing chamber at a front end of the stator core and a rear bearing chamber at a rear end of the stator core, and the stator is provided with the stator core An air inlet hole and an air outlet hole communicating with the outside cavity, the air inlet hole being located between the front bearing chamber and the stator core, and the air outlet hole being located at the rear bearing chamber and the stator Between the iron cores; the rotor is disposed in the stator, and the rotor shaft of the rotor is supported on the stator through a front bearing disposed in the front bearing chamber and a rear bearing disposed in the rear bearing chamber Inside, the rear end of the rotor is provided with a heat dissipating fan blade.
根据本发明实施例的电机具有散热效果好等优点。The motor according to the embodiment of the invention has the advantages of good heat dissipation effect and the like.
另外,根据本发明上述实施例的电机还具有如下附加的技术特征:Further, the motor according to the above embodiment of the present invention has the following additional technical features:
根据本发明的一个实施例,所述前轴承室由设在所述定子铁芯前端的前金属支架限定出,所述前金属支架具有位于所述前轴承室外侧的环形端板,所述进风孔设在所述环形端板上。According to an embodiment of the present invention, the front bearing chamber is defined by a front metal bracket provided at a front end of the stator core, and the front metal bracket has an annular end plate on an outdoor side of the front bearing, the A wind hole is provided on the annular end plate.
根据本发明的一个实施例,所述前轴承室由包覆在所述定子铁芯前端的前注塑层限定出,所述前注塑层具有位于所述前轴承室外侧的环形端部,所述进风孔设置在所述环形端部上。According to an embodiment of the present invention, the front bearing chamber is defined by a front injection layer coated on a front end of the stator core, the front injection layer having an annular end portion on an outdoor side of the front bearing, An air inlet hole is provided on the annular end.
根据本发明的一个实施例,所述后轴承室由包覆在所述定子铁芯后端的后注塑层限定出,所述后注塑层具有位于所述后轴承室外侧且支撑所述后轴承室的塑封支架,所述出风孔设置在所述塑封支架上。According to an embodiment of the present invention, the rear bearing chamber is defined by a post injection layer coated on a rear end of the stator core, the post injection layer having an outer side of the rear bearing and supporting the rear bearing chamber a plastic sealing bracket, the air outlet hole being disposed on the plastic sealing bracket.
根据本发明的一个实施例,所述后轴承室由设在所述定子铁芯后端的后金属支架限定
出,所述出风孔设在所述后金属支架上。According to an embodiment of the invention, the rear bearing chamber is defined by a rear metal bracket provided at a rear end of the stator core
The air outlet hole is disposed on the rear metal bracket.
根据本发明的一个实施例,所述后轴承室内设置有金属端盖,所述后轴承安装在所述金属端盖内。According to an embodiment of the invention, the rear bearing chamber is provided with a metal end cap, and the rear bearing is mounted in the metal end cap.
根据本发明的一个实施例,所述定子铁芯的前端面通过包塑形成配合孔,所述前金属支架与所述配合孔过盈配合。According to an embodiment of the invention, the front end face of the stator core is formed by plasticizing to form a fitting hole, and the front metal bracket is interference-fitted with the fitting hole.
根据本发明的一个实施例,所述前金属支架上设有接地安装孔。According to an embodiment of the invention, the front metal bracket is provided with a grounding mounting hole.
根据本发明的一个实施例,所述塑封支架上设有用于增加散热面积的沉槽。According to an embodiment of the invention, the plastic sealing bracket is provided with a sinking groove for increasing the heat dissipation area.
根据本发明的一个实施例,所述出风孔为多个且沿所述塑封支架的周向间隔布置。According to an embodiment of the invention, the air outlet holes are plural and are arranged along a circumferential interval of the plastic sealing bracket.
根据本发明的一个实施例,所述散热风叶的后沿向后超出所述出风孔的底壁且从所述出风孔露出。According to an embodiment of the invention, the trailing edge of the heat dissipating vane extends rearward beyond the bottom wall of the air outlet and is exposed from the air outlet.
根据本发明的第二方面的实施例提出一种洗涤泵,所述洗涤泵包括:泵壳和电机,所述电机为根据本发明的第一方面所述电机,所述泵壳与所述电机相连。According to an embodiment of the second aspect of the present invention, a washing pump is provided, the washing pump comprising: a pump casing and a motor, the motor being the motor according to the first aspect of the invention, the pump casing and the motor Connected.
根据本发明实施例的洗涤泵具有散热效果好等优点。The washing pump according to the embodiment of the invention has the advantages of good heat dissipation effect and the like.
根据本发明的一个实施例,所述洗涤泵还包括电容,所述泵壳具有安装臂,所述安装臂的自由端设有安装孔,所述电容通过配合在所述安装孔内的螺栓安装在所述安装臂上。According to an embodiment of the present invention, the washing pump further includes a capacitor, the pump casing has a mounting arm, and a free end of the mounting arm is provided with a mounting hole, and the capacitor is mounted by a bolt fitted in the mounting hole On the mounting arm.
根据本发明的一个实施例,所述定子的外壁上设有连接凸台,所述泵壳抵靠到所述连接凸台上且通过螺栓与所述连接凸台相连。According to an embodiment of the invention, the outer wall of the stator is provided with a connecting boss, and the pump casing abuts against the connecting boss and is connected to the connecting boss by a bolt.
图1是根据本发明实施例的洗涤泵的爆炸图。1 is an exploded view of a wash pump in accordance with an embodiment of the present invention.
图2是根据本发明实施例的洗涤泵的结构示意图。2 is a schematic structural view of a washing pump in accordance with an embodiment of the present invention.
图3是根据本发明实施例的洗涤泵的结构示意图。3 is a schematic structural view of a washing pump in accordance with an embodiment of the present invention.
图4是根据本发明实施例的洗涤泵的结构示意图。4 is a schematic structural view of a washing pump in accordance with an embodiment of the present invention.
图5是根据本发明实施例的洗涤泵的结构示意图。Figure 5 is a schematic view showing the structure of a washing pump in accordance with an embodiment of the present invention.
图6是根据本发明实施例的洗涤泵的剖视图。Figure 6 is a cross-sectional view of a wash pump in accordance with an embodiment of the present invention.
图7是根据本发明实施例的电机的转子的结构示意图。Fig. 7 is a schematic structural view of a rotor of a motor according to an embodiment of the present invention.
图8是根据本发明实施例的电机的前金属支架的结构示意图。8 is a schematic structural view of a front metal bracket of a motor according to an embodiment of the present invention.
附图标记:洗涤泵1、泵壳10、安装臂11、安装孔12、电机20、电容30、定子100、定子铁芯110、绝缘框架120、后轴承室130、配合孔140、沉槽150、出风孔160、连接凸台170、后注塑层180、塑封支架190、金属端盖131、前金属支架200、前轴承室210、进风孔220、接地安装孔230、环形端板240、转子300、转子轴310、散热风叶320、前轴承400、后轴承500。
Reference numerals: washing pump 1, pump casing 10, mounting arm 11, mounting hole 12, motor 20, capacitor 30, stator 100, stator core 110, insulating frame 120, rear bearing chamber 130, fitting hole 140, sinking groove 150 The air outlet 160, the connecting boss 170, the post injection layer 180, the plastic sealing bracket 190, the metal end cover 131, the front metal bracket 200, the front bearing chamber 210, the air inlet 220, the ground mounting hole 230, the annular end plate 240, The rotor 300, the rotor shaft 310, the heat radiating blades 320, the front bearing 400, and the rear bearing 500.
下面详细描述本发明的实施例,所述实施例的示例在附图中示出。下面通过参考附图描述的实施例是示例性的,旨在用于解释本发明,而不能理解为对本发明的限制。Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.
下面参考附图描述根据本发明实施例的电机20。An electric motor 20 according to an embodiment of the present invention will be described below with reference to the drawings.
如图1-图8所示,根据本发明实施例的电机20包括定子100和转子300。As shown in FIGS. 1-8, a motor 20 according to an embodiment of the present invention includes a stator 100 and a rotor 300.
定子100包括定子铁芯110、设在定子铁芯110上的绝缘框架120和绕设在绝缘框架120上的定子绕组(图中未示出)。定子100内具有位于定子铁芯110前端的前轴承室210和位于定子铁芯110后端的后轴承室130(前后方向如附图中箭头A所示)。定子100上设有将定子铁芯110的内腔与外界连通的进风孔220和出风孔160,进风孔220位于前轴承室210和定子铁芯110之间,且出风孔160位于后轴承室130和定子铁芯110之间。转子300设在定子100内,转子300的转子轴310通过设在前轴承室210内的前轴承400和设在后轴承室130内的后轴承500支撑在定子100内,转子300的后端设有散热风叶320。The stator 100 includes a stator core 110, an insulating frame 120 disposed on the stator core 110, and stator windings (not shown) wound around the insulating frame 120. The stator 100 has a front bearing chamber 210 at the front end of the stator core 110 and a rear bearing chamber 130 at the rear end of the stator core 110 (the front-rear direction is indicated by an arrow A in the drawing). The stator 100 is provided with an air inlet hole 220 and an air outlet hole 160 for communicating the inner cavity of the stator core 110 with the outside. The air inlet hole 220 is located between the front bearing chamber 210 and the stator core 110, and the air outlet hole 160 is located. Between the rear bearing chamber 130 and the stator core 110. The rotor 300 is disposed in the stator 100. The rotor shaft 310 of the rotor 300 is supported in the stator 100 through a front bearing 400 disposed in the front bearing chamber 210 and a rear bearing 500 disposed in the rear bearing chamber 130. The rear end of the rotor 300 is provided. There are cooling fins 320.
根据本发明实施例的电机20,,通过设置将定子铁芯110的内腔与外界连通的出风孔160和进风孔220,且在转子300的后端面设置散热风叶320,这样当转子300在旋转时,通过进风孔220将外界的冷空气导入,被导入的冷空气通过转子300的外周面与定子铁芯110的内周面之间的间隙流向前端,且在流动过程中带走定子铁芯110内腔内的热量,最后通过出风孔160排出,从而降低电机20的整体温升。因此,根据本发明实施例的电机20具有散热效果好等优点。According to the motor 20 of the embodiment of the present invention, the air outlet hole 160 and the air inlet hole 220 that communicate the inner cavity of the stator core 110 with the outside are provided, and the heat dissipation vane 320 is disposed at the rear end surface of the rotor 300, so that the rotor When rotating, the outside air is introduced through the air inlet 220, and the introduced cold air flows to the front end through the gap between the outer circumferential surface of the rotor 300 and the inner circumferential surface of the stator core 110, and is carried in the flow. The heat in the inner cavity of the stator core 110 is taken out and finally discharged through the air outlet hole 160, thereby reducing the overall temperature rise of the motor 20. Therefore, the motor 20 according to the embodiment of the present invention has advantages such as a good heat dissipation effect.
下面参考附图描述根据本发明具体实施例的电机20。An electric motor 20 according to an embodiment of the present invention will now be described with reference to the accompanying drawings.
在本发明的一些具体实施例中,如图1-图8所示,根据本发明实施例的电机20包括定子100和转子300。In some embodiments of the invention, as shown in FIGS. 1-8, a motor 20 in accordance with an embodiment of the present invention includes a stator 100 and a rotor 300.
如图1和图6所示,前轴承室210由设在定子铁芯110前端的前金属支架200限定出。前金属支架200具有位于前轴承室210外侧的环形端板240,进风孔220设在环形端板240上。As shown in FIGS. 1 and 6, the front bearing chamber 210 is defined by a front metal bracket 200 provided at the front end of the stator core 110. The front metal bracket 200 has an annular end plate 240 located outside the front bearing chamber 210, and the air inlet holes 220 are provided on the annular end plate 240.
具体而言,如图8所示,进风孔220为沿环形端板240的周向延伸的长孔(即弧形孔),进风孔220可以为多个且沿环形端板240的周向等间距设置。这样可以在保证前金属支架200的结构强度的情况下,最大限度地利用前金属支架200的表面积,保证进风孔220的面积,从而提高进风孔220的散热效果。Specifically, as shown in FIG. 8 , the air inlet holes 220 are long holes (ie, arc holes) extending along the circumferential direction of the annular end plate 240 , and the air inlet holes 220 may be plural and along the circumference of the annular end plate 240 . Set to equal spacing. In this way, under the condition of ensuring the structural strength of the front metal bracket 200, the surface area of the front metal bracket 200 can be utilized to the maximum extent, and the area of the air inlet hole 220 can be ensured, thereby improving the heat dissipation effect of the air inlet hole 220.
其中,如图1所示,定子铁芯110的前端面通过包塑形成配合孔140,前金属支架200与配合孔140过盈配合,从而实现前金属支架200的定位安装。As shown in FIG. 1 , the front end surface of the stator core 110 is formed into a matching hole 140 by overmolding, and the front metal bracket 200 is interference-fitted with the matching hole 140 to realize positioning and mounting of the front metal bracket 200 .
由于拉伸的前金属支架200的成本要远远低于现有技术中的铸铝或注塑成本,这样可
以降低材料成本。且由于前轴承室210无需进行二次加工,由此可以便于前轴承400和后轴承500的同轴度,从而降低电机20的噪音。Since the cost of the stretched front metal bracket 200 is much lower than the cost of cast aluminum or injection molding in the prior art,
To reduce material costs. And since the front bearing chamber 210 does not need to be subjected to secondary processing, the coaxiality of the front bearing 400 and the rear bearing 500 can be facilitated, thereby reducing the noise of the motor 20.
进一步地,如图8所示,前金属支架200上设有接地安装孔230,接地安装孔230可以为内翻边孔。当电机20需要设置接地装置时,可以将接地装置通过配合在接地安装孔230内的螺钉直接安装在前金属支架200上,提高电机20运行的安全性。Further, as shown in FIG. 8, the front metal bracket 200 is provided with a grounding mounting hole 230, and the grounding mounting hole 230 may be an inner flanged hole. When the motor 20 needs to be provided with a grounding device, the grounding device can be directly mounted on the front metal bracket 200 by screws fitted in the grounding mounting hole 230, thereby improving the safety of the operation of the motor 20.
在本发明的一些具体示例中,如图6所示,后轴承室130由包覆在定子铁芯110的后注塑层180限定出。后注塑层180具有位于后轴承室130外侧、用于支撑加强后轴承室130的塑封支架190,出风孔160设置在塑封支架190上。In some specific examples of the invention, as shown in FIG. 6, the rear bearing chamber 130 is defined by a post injection layer 180 that is wrapped over the stator core 110. The post-injection layer 180 has a plastic stent 190 located outside the rear bearing chamber 130 for supporting the reinforced rear bearing chamber 130, and the air outlet 160 is disposed on the plastic stent 190.
通过在定子铁芯110绕制绕组后进行注塑,注塑后即为定子100,由此可以省去定子100后序处理工序,从而节约大量的人力和物力,简化了制作工艺,进而缩短了制作周期和半成品的周转时间。After the winding of the stator core 110, the injection molding is performed, and the stator 100 is injected after the injection molding, thereby eliminating the post-order processing of the stator 100, thereby saving a large amount of manpower and material resources, simplifying the manufacturing process, and shortening the production cycle. And semi-finished product turnaround time.
并且,通过后注塑层180直接形成后轴承室130,可以收纳用于支撑转子轴310后端的后轴承500,这样可以省去现有技术中的电机的后端盖,不仅简化了装配,而且可以降低材料成本。Moreover, the rear bearing chamber 130 is directly formed by the post-injection layer 180, and the rear bearing 500 for supporting the rear end of the rotor shaft 310 can be received, so that the rear end cover of the motor in the prior art can be omitted, which not only simplifies assembly but also can be simplified. Reduce material costs.
如图2、图5和图6所示,塑封支架190的后端面上设有沉槽150,出风孔160位于沉槽150的内壁上。沉槽150可以为多个,沉槽150为大体扇形,多个沉槽150沿塑封支架190的后端面的周向等间距设置。由此可以利用沉槽150增加塑封支架190的散热面积,从而利于电机20热量的散发。As shown in FIG. 2, FIG. 5 and FIG. 6, the rear end surface of the plastic sealing bracket 190 is provided with a sinking groove 150, and the air outlet hole 160 is located on the inner wall of the sinking groove 150. There may be a plurality of sinking grooves 150, and the sinking grooves 150 are generally fan-shaped, and the plurality of sinking grooves 150 are disposed at equal intervals along the circumferential direction of the rear end surface of the plastic sealing bracket 190. Therefore, the heat sinking area of the plastic sealing bracket 190 can be increased by using the sinking groove 150, thereby facilitating the heat dissipation of the motor 20.
可选地,为了进一步提高电机20的散热效果,沉槽150的壁上设有网孔(图中未示出),这样定子100内的热量可以进一步通过所述网孔进入的冷空气直接进行热交换。Optionally, in order to further improve the heat dissipation effect of the motor 20, a mesh hole (not shown) is disposed on the wall of the sinking groove 150, so that heat in the stator 100 can be further directly passed through the cold air entering the mesh hole. Heat exchange.
其中,出风孔160可以为多个且沿塑封支架190的周向间隔布置。Wherein, the air outlet holes 160 may be plural and arranged along the circumferential interval of the plastic sealing bracket 190.
在本发明的一些具体实施例中,前轴承室210也可以由包覆在定子铁芯110前端的前注塑层(图中未示出)限定出。所述前注塑层具有位于所述前轴承室外侧的环形端部,进风孔220设置在所述环形端部上。In some embodiments of the invention, the front bearing chamber 210 may also be defined by a front injection molded layer (not shown) that is wrapped around the front end of the stator core 110. The front injection molded layer has an annular end portion on the outdoor side of the front bearing, and an air inlet hole 220 is provided on the annular end portion.
通过在定子铁芯110绕制绕组后进行注塑,可以省去定子100后序处理工序,从而节约大量的人力和物力,简化了制作工艺,进而缩短了制作周期和半成品的周转时间。By performing the injection molding after winding the stator core 110, the post-processing process of the stator 100 can be omitted, thereby saving a lot of manpower and material resources, simplifying the manufacturing process, and shortening the production cycle and the turnaround time of the semi-finished products.
并且,通过所述前注塑层直接形成前轴承室210,可以收纳用于支撑转子轴310后端的前轴承400,这样可以省去现有技术中的电机的前端盖,不仅简化了装配,而且可以降低材料成本。Moreover, the front bearing chamber 210 is directly formed by the front injection molding layer, and the front bearing 400 for supporting the rear end of the rotor shaft 310 can be received, so that the front end cover of the motor in the prior art can be omitted, which not only simplifies assembly but also can be simplified. Reduce material costs.
可选地,后轴承室130由设在定子铁芯110后端的后金属支架(图中未示出)限定出,出风孔160设在所述后金属支架上。Alternatively, the rear bearing chamber 130 is defined by a rear metal bracket (not shown) provided at the rear end of the stator core 110, and the air outlet hole 160 is provided on the rear metal bracket.
在本发明的一些具体实施例中,如图6所示,后轴承室130内设置有金属端盖131(BB
盖),后轴承500安装在金属端盖131内。In some embodiments of the present invention, as shown in FIG. 6, a metal end cap 131 (BB is disposed in the rear bearing chamber 130).
Cover), the rear bearing 500 is mounted within the metal end cap 131.
进一步地,为了提高散热风叶320的冷风导入效果,散热风叶320的后沿向后超出出风孔160的底壁且从出风孔160露出,即从出风孔160看去,能看到一部分散热风叶320。换言之,散热风叶320的后端位于出风孔160的底壁的后方。Further, in order to improve the cold air introduction effect of the heat dissipation blade 320, the trailing edge of the heat dissipation blade 320 extends beyond the bottom wall of the air outlet hole 160 and is exposed from the air outlet hole 160, that is, from the air outlet hole 160, To a part of the cooling fins 320. In other words, the rear end of the heat radiating vane 320 is located rearward of the bottom wall of the air outlet hole 160.
可选地,散热风叶320可以为直线形,也可以为弧形。优选地,如图8所示,散热风叶320为弧形且为多个,等间距地设在转子300的后端面上。Alternatively, the heat dissipation fins 320 may be linear or curved. Preferably, as shown in FIG. 8, the heat dissipating blades 320 are arc-shaped and plural, and are disposed at equal intervals on the rear end surface of the rotor 300.
根据本发明实施例的电机20的其他构成以及操作对于本领域普通技术人员而言都是已知的,这里不再详细描述。Other configurations and operations of the motor 20 in accordance with embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
下面参考附图描述根据本发明实施例的洗涤泵1。A washing pump 1 according to an embodiment of the present invention will be described below with reference to the drawings.
如图1-图8所示,根据本发明实施例的洗涤泵1包括泵壳10和电机。As shown in FIGS. 1-8, a washing pump 1 according to an embodiment of the present invention includes a pump casing 10 and an electric motor.
所述电机为根据本发明上述实施例的电机20,泵壳10与电机20相连。The motor is a motor 20 according to the above embodiment of the present invention, and the pump casing 10 is connected to the motor 20.
根据本发明的洗涤泵1,通过利用根据本发明上述实施例的电机20,具有散热效果好等优点。The washing pump 1 according to the present invention has an advantage of being excellent in heat dissipation effect by using the motor 20 according to the above-described embodiment of the present invention.
具体而言,如图1-图5所示,定子100的外壁上设有连接凸台170,连接凸台170可以邻近泵壳10且在定子100的径向上成对设置,泵壳10抵靠到连接凸台170上,且泵壳10通过自动螺钉或螺栓与连接凸台170相连,由此可以方便泵壳10与电机20的装配,且连接可靠,可操作性较高。Specifically, as shown in FIG. 1 to FIG. 5, the outer wall of the stator 100 is provided with connection bosses 170. The connection bosses 170 may be disposed adjacent to the pump casing 10 and disposed in pairs in the radial direction of the stator 100, and the pump casing 10 abuts. The connecting boss 170 is connected to the connecting boss 170, and the pump casing 10 is connected to the connecting boss 170 by automatic screws or bolts, thereby facilitating the assembly of the pump casing 10 and the motor 20, and the connection is reliable and the operability is high.
在本发明的一些具体实施例中,如图1-图4所示,洗涤泵1还包括电容30,泵壳10上设有向外延伸的安装臂11,安装臂11的自由端(即远离泵壳10的一端)设有安装孔12,电容30通过配合在安装孔12内的螺栓安装在安装臂11上。由此可以将电容30安装在泵壳10上,即无需在定子100上制作出用于安装电容30的结构,不仅简化了定子100的结构和制作工艺,而且电容30的拆装方便,安装可靠。In some embodiments of the present invention, as shown in FIGS. 1-4, the washing pump 1 further includes a capacitor 30, and the pump casing 10 is provided with an outwardly extending mounting arm 11, and the free end of the mounting arm 11 (ie, away from One end of the pump casing 10 is provided with a mounting hole 12, and the capacitor 30 is mounted on the mounting arm 11 by bolts fitted in the mounting hole 12. Therefore, the capacitor 30 can be mounted on the pump casing 10, that is, the structure for mounting the capacitor 30 is not required to be fabricated on the stator 100, which not only simplifies the structure and manufacturing process of the stator 100, but also facilitates the disassembly and assembly of the capacitor 30 and reliable installation. .
根据本发明实施例的洗涤泵1可以用于洗碗机,洗涤泵1的其他构成以及操作对于本领域普通技术人员而言都是已知的,这里不再详细描述。The washing pump 1 according to an embodiment of the present invention can be used in a dishwasher, and other configurations and operations of the washing pump 1 are known to those skilled in the art and will not be described in detail herein.
在本发明的描述中,需要理解的是,术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本发明的限制。In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " After, "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship of the "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplified description, and does not indicate or imply the indicated device or component. It must be constructed and operated in a particular orientation, and is not to be construed as limiting the invention.
此外,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示
或者隐含地包括至少一个该特征。在本发明的描述中,“多个”的含义是至少两个,例如两个,三个等,除非另有明确具体的限定。Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" can be clearly indicated
Or implicitly including at least one of the features. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless specifically defined otherwise.
在本发明中,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或成一体;可以是机械连接,也可以是电连接或彼此可通讯;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通或两个元件的相互作用关系,除非另有明确的限定。对于本领域的普通技术人员而言,可以根据具体情况理解上述术语在本发明中的具体含义。In the present invention, the terms "installation", "connected", "connected", "fixed" and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. Or in one piece; it may be a mechanical connection, or it may be an electrical connection or a communication with each other; it may be directly connected or indirectly connected through an intermediate medium, and may be an internal connection of two elements or an interaction relationship between two elements. Unless otherwise expressly defined. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
在本发明中,除非另有明确的规定和限定,第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触,或第一和第二特征通过中间媒介间接接触。而且,第一特征在第二特征“之上”、“上方”和“上面”可是第一特征在第二特征正上方或斜上方,或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”可以是第一特征在第二特征正下方或斜下方,或仅仅表示第一特征水平高度小于第二特征。In the present invention, the first feature "on" or "under" the second feature may be a direct contact of the first and second features, or the first and second features may be indirectly through an intermediate medium, unless otherwise explicitly stated and defined. contact. Moreover, the first feature "above", "above" and "above" the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature. The first feature "below", "below" and "below" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.
在本说明书的描述中,参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中,对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且,描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外,在不相互矛盾的情况下,本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means a specific feature described in connection with the embodiment or example. A structure, material or feature is included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms is not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, various embodiments or examples described in the specification, as well as features of various embodiments or examples, may be combined and combined.
尽管上面已经示出和描述了本发明的实施例,可以理解的是,上述实施例是示例性的,不能理解为对本发明的限制,本领域的普通技术人员在本发明的范围内可以对上述实施例进行变化、修改、替换和变型。
Although the embodiments of the present invention have been shown and described, it is understood that the above-described embodiments are illustrative and are not to be construed as limiting the scope of the invention. The embodiments are subject to variations, modifications, substitutions and variations.
Claims (14)
- 一种电机,其特征在于,包括:A motor characterized in that:定子,所述定子包括定子铁芯、设在所述定子铁芯上的绝缘框架和绕设在所述绝缘框架上的定子绕组,所述定子内具有位于所述定子铁芯前端的前轴承室和位于所述定子铁芯后端的后轴承室,所述定子上设有将所述定子铁芯的内腔与外界连通的进风孔和出风孔,所述进风孔位于所述前轴承室和所述定子铁芯之间且所述出风孔位于所述后轴承室和所述定子铁芯之间;a stator comprising a stator core, an insulating frame disposed on the stator core, and stator windings wound around the insulating frame, the stator having a front bearing chamber at a front end of the stator core And a rear bearing chamber at a rear end of the stator core, the stator is provided with an air inlet hole and an air outlet hole for communicating the inner cavity of the stator core with the outside, and the air inlet hole is located at the front bearing Between the chamber and the stator core and the outlet hole is located between the rear bearing chamber and the stator core;转子,所述转子设在所述定子内,所述转子的转子轴通过设在所述前轴承室内的前轴承和设在所述后轴承室内的后轴承支撑在所述定子内,所述转子的后端设有散热风叶。a rotor, the rotor being disposed in the stator, a rotor shaft of the rotor being supported in the stator through a front bearing disposed in the front bearing chamber and a rear bearing disposed in the rear bearing chamber, the rotor The rear end is provided with cooling fins.
- 根据权利要求1所述的电机,其特征在于,所述前轴承室由设在所述定子铁芯前端的前金属支架限定出,所述前金属支架具有位于所述前轴承室外侧的环形端板,所述进风孔设在所述环形端板上。The motor according to claim 1, wherein said front bearing chamber is defined by a front metal bracket provided at a front end of said stator core, said front metal bracket having a ring end located outside said front bearing a plate, the air inlet hole is disposed on the annular end plate.
- 根据权利要求1所述的电机,其特征在于,所述前轴承室由包覆在所述定子铁芯前端的前注塑层限定出,所述前注塑层具有位于所述前轴承室外侧的环形端部,所述进风孔设置在所述环形端部上。The motor according to claim 1, wherein said front bearing chamber is defined by a front injection molding layer coated on a front end of said stator core, said front injection molding layer having a ring shape on an outdoor side of said front bearing An end portion, the air inlet hole is disposed on the annular end portion.
- 根据权利要求1或2所述的电机,其特征在于,所述后轴承室由包覆在所述定子铁芯后端的后注塑层限定出,所述后注塑层具有位于所述后轴承室外侧且支撑所述后轴承室的塑封支架,所述出风孔设置在所述塑封支架上。The motor according to claim 1 or 2, wherein said rear bearing chamber is defined by a post injection layer coated on a rear end of said stator core, said post injection layer having an outer side of said rear bearing And a plastic sealing bracket supporting the rear bearing chamber, wherein the air outlet hole is disposed on the plastic sealing bracket.
- 根据权利要求1或3所述的电机,其特征在于,所述后轴承室由设在所述定子铁芯后端的后金属支架限定出,所述出风孔设在所述后金属支架上。The motor according to claim 1 or 3, wherein said rear bearing chamber is defined by a rear metal bracket provided at a rear end of said stator core, and said air outlet hole is provided on said rear metal bracket.
- 根据权利要求1-3中任一项所述的电机,其特征在于,所述后轴承室内设置有金属端盖,所述后轴承安装在所述金属端盖内。The electric machine according to any one of claims 1 to 3, wherein the rear bearing chamber is provided with a metal end cap, and the rear bearing is mounted in the metal end cap.
- 根据权利要求2所述的电机,其特征在于,所述定子铁芯的前端面通过包塑形成配合孔,所述前金属支架与所述配合孔过盈配合。The motor according to claim 2, wherein a front end surface of the stator core is formed by a plasticizing to form a fitting hole, and the front metal bracket is interference-fitted with the fitting hole.
- 根据权利要求2所述的电机,其特征在于,所述前金属支架上设有接地安装孔。The motor according to claim 2, wherein said front metal bracket is provided with a grounding mounting hole.
- 根据权利要求4所述的电机,其特征在于,所述塑封支架上设有用于增加散热面积的沉槽。The motor according to claim 4, wherein the plastic sealing bracket is provided with a sinking groove for increasing the heat dissipation area.
- 根据权利要求4所述的电机,其特征在于,所述出风孔为多个且沿所述塑封支架的周向间隔布置。The motor according to claim 4, wherein the plurality of air outlet holes are plural and are arranged along a circumferential interval of the plastic sealing bracket.
- 根据权利要求4所述的电机,其特征在于,所述散热风叶的后沿向后超出所述出风孔的底壁且从所述出风孔露出。 The motor according to claim 4, wherein a trailing edge of the heat radiating vane extends rearward beyond the bottom wall of the air outlet hole and is exposed from the air outlet hole.
- 一种洗涤泵,其特征在于,包括:泵壳和电机,所述电机为根据权利要求1-11中任一项所述电机,所述泵壳与所述电机相连。A washing pump, comprising: a pump casing and a motor, the motor being the motor according to any one of claims 1-11, the pump casing being connected to the motor.
- 根据权利要求12所述的洗涤泵,其特征在于,所述洗涤泵还包括电容,所述泵壳具有安装臂,所述安装臂的自由端设有安装孔,所述电容通过配合在所述安装孔内的螺栓安装在所述安装臂上。A washing pump according to claim 12, wherein said washing pump further comprises a capacitor, said pump casing having a mounting arm, said free end of said mounting arm being provided with a mounting hole, said capacitor being engaged by said A bolt in the mounting hole is mounted on the mounting arm.
- 根据权利要求12所述的洗涤泵,其特征在于,所述定子的外壁上设有连接凸台,所述泵壳抵靠到所述连接凸台上且通过螺栓与所述连接凸台相连。 The washing pump according to claim 12, wherein the outer wall of the stator is provided with a connecting boss, and the pump casing abuts against the connecting boss and is connected to the connecting boss by a bolt.
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PCT/CN2014/089185 WO2016061768A1 (en) | 2014-10-22 | 2014-10-22 | Electric motor and washing pump having same |
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PCT/CN2014/089185 WO2016061768A1 (en) | 2014-10-22 | 2014-10-22 | Electric motor and washing pump having same |
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CN108113614A (en) * | 2017-12-13 | 2018-06-05 | 佛山市顺德区美的洗涤电器制造有限公司 | Dish-washing machine |
CN108894999A (en) * | 2018-08-13 | 2018-11-27 | 上海联芊电子科技有限公司 | Electric water pump |
CN109768637A (en) * | 2018-12-15 | 2019-05-17 | 宁德时代电机科技有限公司 | The low-temperature-rise permanent magnet drive motor of external rectangular heat dissipation water pipe and casing note heat-conducting glue |
CN110380554A (en) * | 2019-07-15 | 2019-10-25 | 珠海凯邦电机制造有限公司 | Plastic package motor for washing machine and washing machine |
CN112166540A (en) * | 2018-06-05 | 2021-01-01 | Bsh家用电器有限公司 | Electric drive motor, wet rotor pump and household appliance |
CN114123680A (en) * | 2021-12-24 | 2022-03-01 | 昆山菱度电机有限公司 | Positioning device suitable for motor stator encapsulating |
CN115995910A (en) * | 2023-03-23 | 2023-04-21 | 河北乾顺节能科技有限公司 | Active ventilation and heat dissipation device of outer rotor motor |
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CN115995910A (en) * | 2023-03-23 | 2023-04-21 | 河北乾顺节能科技有限公司 | Active ventilation and heat dissipation device of outer rotor motor |
CN115995910B (en) * | 2023-03-23 | 2023-06-02 | 河北乾顺节能科技有限公司 | Active ventilation and heat dissipation device of outer rotor motor |
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