CN214756019U

CN214756019U - Single-phase permanent magnet direct current brushless motor for water pumping of mobile air conditioner

Info

Publication number: CN214756019U
Application number: CN202121292008.1U
Authority: CN
Inventors: 聂鹏举; 刘辉; 庞伟民; 朱勇民
Original assignee: Shenzhen Kelier Intelligent Control Technology Co ltd
Current assignee: Shenzhen Kelier Intelligent Control Technology Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-11-16
Anticipated expiration: 2031-06-09

Abstract

The utility model discloses a single-phase permanent magnet brushless DC motor for water pumping of a mobile air conditioner, which comprises a stator component, a rotor component, a bracket (1) and a driving component; the rotor assembly comprises a rotor shell (2), magnetic stripes (3), a shaft sleeve (4) and a shaft core (13), the shaft core (13) and the shaft sleeve (4) are mutually installed, the shaft sleeve (4) and the rotor shell (2) are mutually installed, and the magnetic stripes (3) are rolled into a round shape and pressed into the rotor shell (2); both ends in the bracket (1) are provided with oil-containing bearings (7), and a shaft core (13) of the rotor component is fixed on an inner ring of the oil-containing bearings (7); stator module includes that coil (6) and package mould stator core (8), and coil (6) twine on package moulds stator core (8), and drive assembly welds on stator module, and stator module and support (1) are installed each other. The utility model provides the high efficiency of the motor of fetching water, the loss is lower, can improve the security of using.

Description

Single-phase permanent magnet direct current brushless motor for water pumping of mobile air conditioner

Technical Field

The utility model relates to a motor field, concretely relates to single-phase permanent magnetism brushless DC motor is watered to mobile air conditioner.

Background

The mobile air conditioner is an air conditioner which can be moved at will as the name implies. Can produce the comdenstion water during air conditioner refrigeration, the supporting device of fetching water that has in the mobile air conditioner, the device of fetching water makes the comdenstion water into the water smoke, discharge water smoke through the exhaust fan outdoors, simultaneously for the heat dissipation of air-cooled fin condensation piece, improve cooling efficiency, the device of fetching water includes a motor and at least a dozen of water wheels of being connected with this motor, most the device of fetching water uses at present to exchange shaded pole motor, it is lower to exchange shaded pole motor loss, supply voltage is the room electricity, the security is relatively poor, consequently, design a section is stable, high efficiency, the single-phase permanent magnetism DC brushless motor of fetching water of safety.

Disclosure of Invention

The utility model aims to solve the technical problem that a mobile air conditioner is provided the new technical scheme of motor of fetching water to improve the efficiency of the motor of fetching water, lower loss and improvement security.

The utility model discloses single-phase permanent magnetism DC brushless motor that removes water of mobile air conditioner realizes through following technical scheme: the device comprises a stator assembly, a rotor assembly, a bracket and a driving assembly;

the rotor assembly comprises a rotor shell, magnetic strips, a shaft sleeve and a shaft core, wherein the shaft core and the shaft sleeve are mutually installed, the shaft sleeve and the rotor shell are mutually installed, and the magnetic strips are rolled into a round shape and pressed into the rotor shell; both ends in the bracket are provided with oil-retaining bearings, and the shaft core of the rotor component is fixed on the inner ring of the oil-retaining bearing; stator module includes the coil and wraps the stator core of moulding, and the coil twines on the stator core is moulded to the package, and drive assembly welds on stator module, and stator module and support are installed each other.

As a preferred technical scheme, the driving assembly comprises a lead wire and a driving plate; the driving plate is arranged on the stator component, and one end of the lead is connected with the driving plate; the bracket is provided with a wire outlet, and the other end of the lead passes through the wire outlet and is arranged outside the bracket.

According to the preferable technical scheme, lubricating grease is filled in a cavity between the two oil-containing bearings, a graphite gasket with a wear-resisting function is arranged between the shaft sleeve and the oil-containing bearings, a snap ring for limiting axial displacement of the rotor assembly is arranged at the shaft outlet end of the support, the graphite gasket with the wear-resisting function is also arranged between the snap ring and the oil-containing bearings, a water retaining ring with a water retaining function is arranged in a clamping groove of a shaft core at the front end of the snap ring, and a sealant is added at a wire outlet of the support.

As an optimal technical scheme, the shaft core is in interference fit with the shaft sleeve, the magnetic strips are in interference fit with the rotor shell, the stator assembly is in interference fit with the support, and the shaft sleeve is assembled with the rotor shell through riveting.

The utility model has the advantages that: the utility model discloses can improve the efficiency of the motor of fetching water, the loss is lower, can improve the security of using.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic sectional view of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The use of terms herein such as "upper," "above," "lower," "below," and the like in describing relative spatial positions is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented and the spatially relative descriptors used herein interpreted accordingly.

In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1, the utility model discloses a single-phase permanent magnet brushless dc motor for pumping water of a mobile air conditioner, which comprises a stator assembly, a rotor assembly, a bracket 1 and a driving assembly;

the rotor assembly comprises a rotor shell 2, a magnetic stripe 3, a shaft sleeve 4 and a shaft core 13, wherein the shaft core 13 and the shaft sleeve 4 are mutually installed, the shaft sleeve 4 and the rotor shell 2 are mutually installed, and the magnetic stripe 3 is rolled into a circle and pressed into the rotor shell 2; both ends in the bracket 1 are provided with oil-retaining bearings 7, and a shaft core 13 of the rotor component is fixed on an inner ring of the oil-retaining bearings 7; stator module includes that coil 6 moulds stator core 8 with the package, and coil 6 twines on the stator core 8 is moulded to the package, and drive assembly welds on stator module, and stator module and support 1 are installed each other.

In the present embodiment, the driving assembly includes a lead wire 9 and a driving plate 11; the driving plate 11 is arranged on the stator assembly, and one end of the lead 9 is connected with the driving plate 11; an outlet is arranged on the bracket 1, and the other end of the lead 9 passes through the outlet and is arranged outside the bracket 1.

In this embodiment, lubricating grease 16 is filled in a cavity between two oil-retaining bearings 7, a graphite gasket 5 with a wear-resistant function is arranged between a shaft sleeve 4 and the oil-retaining bearings 7, a snap ring 14 for limiting axial displacement of a rotor assembly is arranged at an output shaft end of a bracket 1, the graphite gasket 5 with the wear-resistant function is also arranged between the snap ring 14 and the oil-retaining bearings 7, a water retaining ring 12 with a water retaining function is arranged in a snap groove of a shaft core 13 at the front end of the snap ring 14, and a sealant 10 is added at a wire outlet of the bracket 1.

In this embodiment, axle core 13 and axle sleeve 4, magnetic stripe 3 and rotor shell 2, stator module and support 1, two oil bearings 7 and support 1 are interference fit, and axle sleeve 4 and rotor shell 2 are through the riveting assembly.

The working principle is as follows:

the driving assembly is connected with low-voltage direct current in the safe voltage, the driving assembly provides corresponding logic direct current for the stator coil according to the position of the rotor, the stator assembly generates a magnetic field which rotates in sequence, the stator magnetic field drives the rotor magnet to drive the shaft core to output required torque and rotating speed, and the shaft core drives the impeller to make condensed water into water mist.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a single-phase permanent magnetism DC brushless motor is watered to mobile air conditioner which characterized in that: comprises a stator component, a rotor component, a bracket (1) and a driving component;

the rotor assembly comprises a rotor shell (2), magnetic stripes (3), a shaft sleeve (4) and a shaft core (13), the shaft core (13) and the shaft sleeve (4) are mutually installed, the shaft sleeve (4) and the rotor shell (2) are mutually installed, and the magnetic stripes (3) are rolled into a round shape and pressed into the rotor shell (2); both ends in the bracket (1) are provided with oil-containing bearings (7), and a shaft core (13) of the rotor component is fixed on an inner ring of the oil-containing bearings (7); stator module includes that coil (6) and package mould stator core (8), and coil (6) twine on package moulds stator core (8), and drive assembly welds on stator module, and stator module and support (1) are installed each other.

2. The single-phase permanent magnet brushless motor that gets water of mobile air conditioner of claim 1, characterized by: the driving assembly comprises a lead wire (9) and a driving plate (11); the driving plate (11) is mounted on the stator assembly, and one end of the lead (9) is connected with the driving plate (11); an outlet is arranged on the bracket (1), and the other end of the lead (9) penetrates through the outlet and is arranged outside the bracket (1).

3. The single-phase permanent magnet brushless motor that gets water of mobile air conditioner of claim 1, characterized by: lubricating grease (16) is injected into a cavity between the two oil-containing bearings (7), a graphite gasket (5) with a wear-resisting function is arranged between the shaft sleeve (4) and the oil-containing bearings (7), a snap ring (14) for limiting axial displacement of the rotor assembly is arranged at the shaft outlet end of the support (1), the graphite gasket (5) with the wear-resisting function is also arranged between the snap ring (14) and the oil-containing bearings (7), a water retaining ring (12) with a water retaining function is arranged in a clamping groove of a shaft core (13) at the front end of the snap ring (14), and a sealant (10) is added at a wire outlet of the support (1).

4. The single-phase permanent magnet brushless motor that gets water of mobile air conditioner of claim 1, characterized by: the shaft core (13) and the shaft sleeve (4), the magnetic strips (3) and the rotor shell (2), the stator assembly and the support (1), the two oil-containing bearings (7) and the support (1) are in interference fit, and the shaft sleeve (4) and the rotor shell (2) are assembled through riveting.