CN206686029U - Impeller assembly, integrated motor and household electrical appliance - Google Patents

Abstract

The utility model discloses an impeller assembly, an integrated motor and a household appliance. The impeller assembly includes: a wind cover, the wind cover has an air suction port and an air supply port; The air suction port sucks the moving impeller in the wind cover, and the moving impeller is rotatably arranged in the wind cover and adjacent to the air suction port; the guide plate is arranged in the wind cover and adjacent to the air suction port. The air outlet, the outer peripheral wall surface of the guide plate and the inner peripheral wall surface of the fan cover define a drainage air passage respectively connected with the air suction port and the air supply port; The fluid is introduced into the guide vane wheel of the air guide channel, the guide vane wheel is arranged in the wind cover and surrounds the moving vane wheel, the outer peripheral wall surface of the guide plate is connected with the guide vane wheel and connected with the guide vane wheel Tangent to the peripheral wall. The impeller assembly according to the utility model has the advantage of high efficiency.

Description

Impeller assemblies, integrated motors and home appliances

technical field

The utility model relates to the technical field of motors, in particular to an impeller assembly, an integrated motor with the impeller assembly and a household appliance with the integrated motor.

Background technique

When the motor in the related art runs at a high speed, due to a large temperature rise, the bearings and structural parts of the motor will be deformed, resulting in high noise, low performance, low reliability and short service life of the motor. For this reason, the impeller assembly is usually used to cool down the motor. However, since there is a large nest area between the vane guide wheel and the air supply port of the impeller assembly, it is easy to cause eddy current loss, resulting in low efficiency.

Utility model content

The utility model aims at at least solving one of the technical problems existing in the prior art. For this reason, the utility model proposes an impeller assembly, which has the advantage of high efficiency.

The utility model also provides an integrated motor with the impeller assembly.

The utility model also proposes a household appliance with the integrated motor.

The impeller assembly according to the embodiment of the first aspect of the utility model includes: a wind shield, the wind shield has an air suction port and an air supply port; and is used for sucking the fluid outside the wind shield into the wind shield from the air suction port The moving impeller, the moving impeller is rotatably arranged in the wind cover and adjacent to the air suction port; the guide plate is arranged in the wind cover and adjacent to the air supply port, the guide plate The outer peripheral wall surface of the windshield and the inner peripheral wall surface of the windshield define a draft air channel respectively communicated with the air suction port and the air supply port; the fluid sucked by the moving impeller is used to guide the fluid in the draft air channel A guide vane wheel, the guide vane wheel is arranged in the wind cover and arranged around the moving vane wheel, the outer peripheral wall surface of the guide disc is connected with the guide vane wheel and is tangent to the outer peripheral wall surface of the guide vane wheel.

According to the impeller assembly of the embodiment of the present invention, the temperature of the motor can be lowered, and by setting the guide plate at the position adjacent to the air supply port, the fluid can flow out smoothly through the air supply port under the guidance of the drainage air duct, avoiding the The eddy current loss is generated between the air supply port and the efficiency is high.

In addition, the impeller assembly according to the embodiment of the utility model also has the following additional technical features:

According to some embodiments of the present utility model, the longitudinal section of the outer peripheral wall of the guide plate is arc-shaped.

Further, the outer peripheral wall of the guide disc is divided into a first ring segment and a second ring segment arranged along the axial direction of the guide disc, wherein the longitudinal section of the first ring segment and the second ring segment The longitudinal section is arc-shaped with different radii.

Advantageously, the first ring segment is closer to the air suction port than the second ring segment, and the radius of the longitudinal section of the first ring segment is larger than the radius of the longitudinal section of the second ring segment.

According to some embodiments of the present utility model, the vane guide wheel includes: a wheel disc, the outer peripheral wall of the guide disc is connected to the wheel disc and is tangent to the outer peripheral wall of the wheel disc; a plurality of guide vanes, a plurality of The guide vane is arranged on the surface of the wheel disk facing the air suction port and is arranged around the moving impeller, and two adjacent guide vanes are defined between the air suction port and the diversion air flow respectively. A connected air guide channel.

Further, the wheel disc has a wheel neck extending toward the air supply port along its axial direction, and the wall of the guide plate facing the air supply port is connected to the wheel neck.

According to some embodiments of the present utility model, a cavity is defined inside the guide disc or between the guide disc and the vane wheel.

The integrated motor according to the embodiment of the second aspect of the utility model includes: a casing; a support frame, the support frame is installed in the casing; a stator assembly, the stator assembly is installed on the support frame and connected to the support frame The frame defines the air duct of the motor; the rotor assembly is rotatably arranged in the stator assembly; according to the impeller assembly described in the embodiment of the first aspect of the utility model, the wind cover is arranged on the casing And located at one end of the casing, the guide vane wheel and the guide plate are installed on the support frame, the air supply port communicates with the motor air duct, and the moving vane wheel is in transmission connection with the rotor assembly.

According to the integrated motor of the embodiment of the present invention, by using the above-mentioned impeller assembly, the heat dissipation efficiency is high, the temperature rise is small, so the noise is low, the performance is high, the reliability is high, and the service life is long.

According to some embodiments of the present utility model, the integrated motor further includes: an electric control assembly, the electric control assembly is installed on the stator assembly or the support frame, the electric control assembly is located outside the housing and Adjacent to the other end of the casing, there is a gap between the electric control assembly and the casing for discharging the fluid in the air duct of the motor.

Further, the stator assembly includes: a stator core, the stator core is installed on the support frame and defines an annular motor air duct with the support frame; a plurality of insulating pillars, a plurality of the The insulating support is arranged on the peripheral wall of the stator core and protrudes from the other end of the housing, and the electric control assembly is installed on the insulating support.

The household appliance according to the embodiment of the third aspect of the utility model includes the integrated motor according to the embodiment of the second aspect of the utility model.

According to the household appliance of the embodiment of the present utility model, by using the above-mentioned integrated motor, the heat dissipation efficiency is high, the temperature rise is small, so the noise is low, the performance is high, the reliability is high, and the service life is long.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

Fig. 1 is a cross-sectional view of an integrated motor according to an embodiment of the present invention;

2 is a perspective view of an integrated motor according to an embodiment of the present invention;

Fig. 3 is a structural schematic diagram of the vane guide wheel and the guide disc of the impeller assembly according to the embodiment of the present utility model.

Reference signs:

Integrated motor 1,

impeller assembly 10,

Wind cover 100, air suction port 101, air supply port 102,

moving impeller 200,

guide plate 300, air drainage channel 301, cavity 302,

Guide vane wheel 400, wheel disc 410, wheel neck 411, guide vane 420, air guiding channel 421,

Housing 20 , support frame 30 , stator assembly 40 , stator core 41 , insulating support 42 , rotor assembly 50 , electric control assembly 60 .

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model, but should not be construed as limiting the present utility model.

The following describes the impeller assembly 10 according to the embodiment of the first aspect of the utility model with reference to the accompanying drawings. The impeller assembly 10 has the advantage of high efficiency.

As shown in FIGS. 1-3 , the impeller assembly 10 according to the embodiment of the present utility model includes a windshield 100 , a moving impeller 200 , a guide disk 300 and a guide impeller 400 .

Specifically, the air cover 100 has an air suction port 101 and an air supply port 102 . The moving vane wheel 200 is rotatably arranged in the wind cover 100, and the moving vane wheel 200 is arranged adjacent to the air suction port 101. Like this, the fluid outside the wind cover 100 is sucked in the wind cover 100 from the suction port 101 when the moving vane wheel 200 rotates, and then the fluid is Sent out from the air outlet 102. The guide plate 300 is arranged in the wind cover 100, and the guide plate 300 is arranged adjacent to the air supply port 102. The outer peripheral wall surface of the guide plate 300 and the inner peripheral wall surface of the wind cover 100 define a drainage air duct 301, and the drainage air duct 301 is connected with the suction air duct 301 respectively. The tuyere 101 communicates with the air outlet 102 . The guide vane wheel 400 is arranged in the fan housing 100, and the guide vane wheel 400 is arranged around the moving impeller 200, the outer peripheral wall of the guide disc 300 is connected with the guide vane wheel 400, and the outer peripheral wall of the guide disc 300 is tangent to the outer peripheral wall of the guide vane wheel 400. Here, the outer peripheral wall surface of the guide disc 300 is connected with the vane wheel 400, which means that there is no gap between the outer peripheral wall surface of the guide disc 300 and the outer peripheral wall surface of the vane wheel 400 in the axial direction of the guide disc 300 (ie, the up and down direction shown in the figure). .

The following describes the working process of the impeller assembly 10 according to the embodiment of the present invention with reference to the accompanying drawings.

When the moving impeller 200 rotates, the fluid outside the windshield 100 is sucked into the windshield 100 from the air suction port 101, and the guide vane wheel 400 guides the fluid sucked by the moving blade wheel 200 to the drainage duct 301. The outer peripheral wall surface of 300 is connected with the vane wheel 400, and the outer peripheral wall surface of the guide disc 300 is tangent to the outer peripheral wall surface of the vane wheel 400, that is, the outer peripheral wall surface of the guide disc 300 forms a drainage area in the region between the vane wheel 400 and the air outlet 102. The side wall of the air duct 301, so that the fluid can smoothly flow through the vane wheel 400 and enter the air guide duct 301, and then, under the guidance of the air duct 301, the fluid flows out of the impeller assembly 10 from the air outlet 102 smoothly, and the fluid passes through the vane wheel 400 No eddy current will be generated in the area between the air outlet and the air outlet 102, and finally the temperature of the motor will be cooled.

Thus, according to the impeller assembly 10 of the embodiment of the present utility model, the temperature of the motor can be lowered, and by setting the guide disc 300 at a position adjacent to the air outlet 102, the fluid can be smoothly passed through the air outlet under the guidance of the air drainage duct 301. The outflow from the tuyere 102 avoids eddy current loss between the vane wheel 400 and the air supply port 102 , so that the efficiency is higher, and the heat dissipation efficiency of the motor can be improved, and the heat dissipation effect of the motor can be enhanced.

According to some embodiments of the present utility model, as shown in FIG. 1 , the longitudinal section of the outer peripheral wall of the guide plate 300 is arc-shaped. That is, in a section parallel to the axial direction of the guide plate 300 , the outer peripheral wall of the guide plate 300 is arc-shaped. In this way, it can be ensured that the fluid flows along the outer peripheral wall surface of the guide disc 300 after passing through the outer peripheral wall surface of the vane wheel 400 , further reducing the eddy current loss.

Further, the outer peripheral wall of the guide disc 300 is divided into a first ring segment and a second ring segment arranged in the axial direction of the guide disc 300, wherein the longitudinal section of the first ring segment and the longitudinal section of the second ring segment have different radii The circular arc shape, that is, in the section parallel to the axial direction of the guide plate 300, the shape of the first ring segment and the shape of the second ring segment are circular arc shapes with different radii. In this way, the fluid gradually transitions from the vane wheel 400 to the air outlet 102 , and the eddy loss when the fluid flows is smaller.

It should be noted that in the description of the present utility model, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features . Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features.

Advantageously, the first ring segment is closer to the air suction port 101 than the second ring segment, and the radius of the longitudinal section of the first ring segment is larger than the radius of the longitudinal section of the second ring segment. That is, the first ring segment is located above the second ring segment, and in a section parallel to the axial direction of the guide disc 300, the radius of the first ring segment is greater than the radius of the second ring segment, thereby facilitating the flow of the fluid from the guide vane wheel more smoothly. The outer peripheral wall of 400 flows to the outer peripheral wall of the guide plate 300 , and finally flows smoothly from the air outlet 102 to the stator assembly of the motor.

According to some embodiments of the present utility model, as shown in FIGS. 1-3 , the vane wheel 400 includes a disc 410 and a plurality of vanes 420 . The outer wall of the guide plate 300 is connected to the wheel 410 , and the outer wall of the guide plate 300 is tangent to the outer wall of the wheel 410 . A plurality of guide vanes 420 are arranged on the surface of the wheel disc 410 facing the air suction port 101 (that is, the upper surface of the wheel disc 410 shown in the figure), and the plurality of guide vanes 420 are arranged around the moving impeller 200, and two adjacent guide vanes Air guide channels 421 are defined between the blades 420 to communicate with the air suction port 101 and the air guide channel 301 respectively. Here, "plurality" means two or more.

Further, as shown in FIG. 1 and FIG. 3 , the wheel 410 has a neck 411 extending toward the air outlet 102 along the axial direction of the wheel 410 , and the wall of the guide plate 300 facing the air outlet 102 is connected to the neck 411 . That is, the wheel neck 411 extends downward from the lower wall of the wheel disc 410 , and the bottom wall of the guide disc 300 is connected to the wheel neck 411 , thus facilitating the installation of the impeller 400 and the guide disc 300 .

According to some embodiments of the present invention, as shown in FIG. 1 and FIG. 3 , a cavity 302 is defined inside the guide disc 300 or between the guide disc 300 and the vane wheel 400 . In this way, it is beneficial to reduce the weight of parts and save materials.

As shown in FIGS. 1-3 , the integrated motor 1 according to the embodiment of the second aspect of the present invention includes a casing 20 , a support frame 30 , a stator assembly 40 , a rotor assembly 50 and an impeller assembly.

Specifically, the support frame 30 is disposed in the casing 20 , and the support frame 30 and the casing 20 can be integrally formed, or the support frame 30 and the casing 20 can be processed separately. The stator assembly 40 is installed on the lower end of the support frame 30, and the stator assembly 40 and the support frame 30 define a motor air duct (not shown in the figure). The rotor assembly 50 is rotatably disposed within the stator assembly 40 . The impeller assembly is the impeller assembly 10 according to the above-mentioned embodiment of the utility model, the wind cover 100 is arranged on the casing 20, and the wind cover 100 is located at the upper end of the casing 20, and the vane guide wheel 400 and the guide disc 300 are installed on the upper end surface of the support frame 30 , the air supply port 102 communicates with the air duct of the motor, and the moving impeller 200 is connected with the rotor assembly 50 through transmission. As a result, the air guide duct 301 guides the fluid into the air duct of the motor to dissipate heat from the stator assembly 40 , the rotor assembly 50 , the support frame 30 , the housing 20 and other components.

According to the integrated motor 1 of the embodiment of the present invention, by using the impeller assembly 10 as described above, the heat dissipation efficiency is high, the temperature rise is small, so the noise is small, the performance is high, the reliability is high, and the service life is long.

According to some embodiments of the present utility model, as shown in Fig. 1 and Fig. 2, the integrated motor 1 further includes an electric control assembly 60, the electric control assembly 60 is installed on the stator assembly 40 or the support frame 30, and the electric control assembly 60 is located in the housing 20, and the electric control assembly 60 is adjacent to the lower end of the casing 20, there is a gap between the electric control assembly 60 and the casing 20 for discharging the fluid in the air duct of the motor. As a result, the internal air of the housing 20 and the external air are facilitated to convect through the gap, further enhancing the heat dissipation effect of the stator assembly 40, and making full use of forced fluid and turbulent flow to dissipate heat from the electronic control assembly 60, thereby further improving the integrated motor. 1 reliability, further prolonging the service life of the integrated motor 1.

Further, as shown in FIG. 1 and FIG. 2 , the stator assembly 40 includes a stator core 41 and a plurality of insulating pillars 42 , the stator core 41 is installed on the support frame 30 , and the stator core 41 and the support frame 30 define an annular The motor air duct, the drainage air duct 301 guides the fluid into the circular motor air duct, and the heat dissipation effect is better. A plurality of insulating pillars 42 are provided on the peripheral wall of the stator core 41 , and the plurality of insulating pillars 42 protrude from the lower end of the casing 20 respectively, and the electric control assembly 60 is mounted on the insulating pillars 42 by bolts or glue. In this way, the installation of the electric control assembly 60 can be realized without adding assembly parts, and the space utilization rate is high, and it is beneficial to form a gap for air circulation between the electric control assembly 60 and the housing 20, thereby facilitating the improvement of the stator assembly 40 and the electric motor. The cooling effect of the control assembly 60.

Other configurations and operations of the integrated motor 1 according to the embodiment of the present utility model are known to those skilled in the art and will not be described in detail here.

The household appliance according to the embodiment of the third aspect of the utility model includes the integrated motor 1 according to the embodiment of the second aspect of the utility model.

According to the household appliance of the embodiment of the present utility model, by using the integrated motor 1 as described above, the heat dissipation efficiency is high, the temperature rise is small, so the noise is small, the performance is high, the reliability is high, and the service life is long.

Other configurations and operations of the household appliance according to the embodiment of the present invention are known to those skilled in the art, and will not be described in detail here.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "upper", "lower", "bottom", "inner" and "outer" are based on the The orientation or positional relationship is only for the convenience of describing the utility model and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a reference to the utility model. limits.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

In the description of this specification, reference to the terms "one embodiment", "some embodiments", "specific embodiments", "example" or "some examples" means that specific features described in connection with the embodiment or example , structures, materials or features are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications, the scope of the present invention is defined by the claims and their equivalents.

Claims (11)

1. A kind of 1. impeller assembly, it is characterised in that including：

   Fan housing, the fan housing have inlet scoop and air outlet；

   It is rotatable for the movable vane wheel for sucking the fluid outside the fan housing in the fan housing from the inlet scoop, the movable vane wheel Ground is located in the fan housing and the neighbouring inlet scoop；

   Positioning disk, the positioning disk is located in the fan housing and the neighbouring air outlet, the periphery wall of the positioning disk and institute State and limit the drainage air channel connected respectively with the inlet scoop and the air outlet between the inner circumferential wall of fan housing；

   Fluid for the movable vane wheel to be sucked imports the guide vane wheel in the drainage air channel, and the guide vane wheel is located at the fan housing It is interior and around the movable vane wheel set, the periphery wall of the positioning disk be connected with the guide vane wheel and with the guide vane wheel outside Peripheral wall surfaces are tangent.
2. 2. impeller assembly according to claim 1, it is characterised in that the longitudinal section of the periphery wall of the positioning disk is arc Shape.
3. 3. impeller assembly according to claim 2, it is characterised in that the periphery wall of the positioning disk, which is divided into along described, leads To the first ring segment axially arranged of disk and the second ring segment,

   Wherein, the longitudinal section of first ring segment and the longitudinal section of second ring segment are the different circular arc of radius.
4. 4. impeller assembly according to claim 3, it is characterised in that first ring segment relative to second ring segment more Add the neighbouring inlet scoop, the radius of the longitudinal section of first ring segment is more than the radius of the longitudinal section of second ring segment.
5. 5. impeller assembly according to claim 1, it is characterised in that the guide vane wheel includes：

   Wheel disc, the periphery wall of the positioning disk are connected and tangent with the periphery wall of the wheel disc with the wheel disc；

   Multiple guide vanes, on the surface for the direction inlet scoop that multiple guide vanes are located at the wheel disc and around described dynamic Impeller is set, and the wind-guiding connected respectively with the inlet scoop and the drainage air channel is limited between the two neighboring guide vane Passage.
6. 6. impeller assembly according to claim 5, it is characterised in that the wheel disc has along its axial direction to the air outlet The throat of extension, the wall of the direction air outlet of the positioning disk are connected on the throat.
7. 7. according to the impeller assembly any one of claim 1-6, it is characterised in that the inside of the positioning disk is described Cavity is limited between positioning disk and the guide vane wheel.
8. A kind of 8. integrated motor, it is characterised in that including：

   Shell；

   Support frame, support frame as described above are located in the shell；

   Stator module, the stator module are arranged on support frame as described above and limit motor air channel with support frame as described above；

   Rotor assembly, the rotor assembly are rotatably arranged in the stator module；

   According to the impeller assembly any one of claim 1-7, the fan housing is set on the housing and positioned at described outer One end of shell, the guide vane wheel and the positioning disk are installed on support frame as described above, the air outlet and the motor air channel Connection, the movable vane wheel are connected with the rotor assembly.
9. 9. integrated motor according to claim 8, it is characterised in that also include：

   Electrically-controlled component, the electrically-controlled component are arranged on the stator module or support frame as described above, and the electrically-controlled component is located at institute The other end of the outer and neighbouring shell of shell is stated, has between the electrically-controlled component and the shell and is used to discharge the motor The gap of fluid in air channel.
10. 10. integrated motor according to claim 9, it is characterised in that the stator module includes：

    Stator core, the stator core are arranged on support frame as described above and the motor of annular are limited with support frame as described above Air channel；

    Multiple insulation columns, multiple insulation columns are located on the perisporium of the stator core and from the described another of the shell The shell is stretched out in one end, and the electrically-controlled component is arranged on the insulation column.
11. 11. a kind of household electrical appliance, it is characterised in that including the integrated motor according to any one of claim 8-10.