CN216959440U

CN216959440U - Single-phase permanent magnet direct current brushless motor for water pumping of mobile air conditioner

Info

Publication number: CN216959440U
Application number: CN202123195239.3U
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 Motor Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-07-12
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses a single-phase permanent magnet direct current brushless motor for pumping water of a mobile air conditioner, which comprises a stator assembly, a rotor assembly, a driving plate assembly and a bracket, wherein the stator assembly is arranged on the stator assembly; the stator component comprises a plastic coated stator core and a coil, and the coil is wound on the stator core; the driving plate assembly is welded on the stator assembly, and the stator assembly is in interference fit with the bracket; the rotor subassembly includes axle core, magnetic stripe, iron-clad and gluey shell, and axle core and gluey shell are fixed through the rubber coating of moulding plastics, and interference fit in the iron-clad is impressed after the magnetic stripe is coiled circularly, and the magnetic frame subassembly that magnetic stripe and iron-clad are constituteed fills even magnetic field, and interference fit in the gluey shell is impressed to the magnetic frame subassembly. The utility model improves the efficiency of the water fetching motor, has lower loss and improves the safety.

Description

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

Technical Field

The utility model relates to the technical field of motors, in particular to a single-phase permanent magnet brushless direct current motor for water pumping of a mobile air conditioner.

Background

The mobile air conditioner is an air conditioner which can be moved at will as the name implies. The air conditioner can produce the comdenstion water during refrigeration, and the supporting device of fetching water that has in the mobile air conditioner, the device of fetching water is beaten the comdenstion water into the water smoke, discharges the water smoke through the exhaust fan outdoors, and for the heat dissipation of air-cooled fin condensation piece simultaneously, improve cooling efficiency, the device of fetching water includes a motor and the at least wheel of fetching water of being connected with this motor, and most the device of fetching water uses at present and exchanges shaded pole motor, and exchange shaded pole motor loss is lower, and supply voltage is the room electricity, and the security is relatively poor.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a new structural scheme of a water pumping motor of a mobile air conditioner, so as to improve the efficiency of the water pumping motor, lower the loss and improve the safety.

The utility model relates to a single-phase permanent magnet brushless direct current motor for pumping water of a mobile air conditioner, which is realized by the following technical scheme: the device comprises a stator assembly, a rotor assembly, a driving plate assembly and a bracket;

the stator component comprises a plastic coated stator core and a coil, and the coil is wound on the stator core; the driving plate assembly is welded on the stator assembly, and the stator assembly is in interference fit with the bracket; the rotor subassembly includes axle core, magnetic stripe, iron-clad and gluey shell, and axle core and gluey shell are fixed through the rubber coating of moulding plastics, and interference fit in the iron-clad is impressed after the magnetic stripe batching is circular, and the magnetic frame subassembly that magnetic stripe and iron-clad are constituteed fills into even magnetic field, and interference fit in the rubber-clad is impressed to the magnetic frame subassembly.

As the preferred technical scheme, the oil-retaining bearing is arranged on the support in an interference fit mode, the shaft core penetrates through the oil-retaining bearing, an oil storage groove is formed in the matching surface of the shaft core and the oil-retaining bearing, lubricating grease is filled into the oil storage groove, and the rotor assembly is supported by the oil-retaining bearing.

As the preferred technical scheme, a first graphite gasket with a wear-resisting function is arranged between the rubber shell and the oil-containing bearing, a snap ring for limiting the axial displacement of the rotor assembly is arranged at the shaft outlet end of the bracket, a second graphite gasket with a wear-resisting function is arranged between the snap ring and the oil-containing bearing, and a water retaining ring with a water retaining function is arranged in a shaft core clamping groove at the front end of the snap ring.

As a preferred technical scheme, the driving plate assembly comprises a driving plate, a driving IC, a capacitor, a diode and a lead wire, sealing glue is added at a wire outlet of the support, and the sealing glue can prevent condensed water from entering the motor and fixing the lead wire from the wire outlet.

The utility model has the beneficial effects that: the utility model improves the efficiency of the water pumping motor, has lower loss and improves the safety.

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 the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the structure of the oil reservoir 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", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

Further, 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 such as "upper," "above," "lower," "below," and the like in describing relative spatial positions herein 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 "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1-2, the single-phase permanent magnet dc brushless motor for pumping water of a mobile air conditioner of the present invention comprises a stator assembly, a rotor assembly, a driving plate assembly and a bracket 1;

the stator component comprises a plastic coated stator core 8 and a coil 6, and the coil 6 is wound on the stator core 8; the driving plate assembly is welded on the stator assembly, and the stator assembly is in interference fit with the bracket 1; the rotor subassembly includes axle core 13, magnetic stripe 3, iron-clad 2 and gluey shell 4, and axle core 13 is fixed through the rubber coating of moulding plastics with gluey shell 4, and the magnetic stripe 3 coils into interference fit in 2 iron-clad after circular, and the magnetic frame subassembly that magnetic stripe 3 and iron-clad 2 are constituteed fills even magnetic field, and the magnetic frame subassembly is pressed and is glued interference fit in the shell 4.

In this embodiment, the oil-retaining bearing 7 is interference-fitted on the bracket 1, the shaft core 13 penetrates through the oil-retaining bearing 7, an oil storage groove 17 is formed in a matching surface of the shaft core 13 and the oil-retaining bearing 7, lubricating grease 16 is injected into the oil storage groove 17, and the rotor assembly is supported by the oil-retaining bearing 7.

In this embodiment, a first graphite gasket 5 with a wear-resistant function is installed between the rubber shell 4 and the oil-retaining bearing 7, a snap ring 14 for limiting axial displacement of the rotor assembly is installed at the shaft outlet end of the bracket 1, a second graphite gasket 15 with a wear-resistant function is installed between the snap ring 14 and the oil-retaining bearing 7, and a water retaining ring 12 with a water retaining function is installed in a shaft core clamping groove located at the front end of the snap ring 14.

In this embodiment, the driving board assembly includes a driving board 11, a driving IC, a capacitor, a diode, and a lead 9, a sealant 10 is added to an outlet of the bracket, and the sealant 10 can prevent condensed water from entering the motor and fixing the lead 9 from the outlet.

The working principle is as follows:

the driver is connected with low-voltage direct current in the safe voltage, the driver 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 an embodiment 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 inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall 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 driving plate component and a bracket (1);

the stator assembly comprises a plastic-coated stator core (8) and a coil (6), and the coil (6) is wound on the stator core (8); the drive plate assembly is welded on the stator assembly, and the stator assembly is in interference fit with the bracket (1); the rotor subassembly includes axle core (13), magnetic stripe (3), iron-clad (2) and glues shell (4), and axle core (13) and gluey shell (4) are fixed through the rubber coating of moulding plastics, and interference fit is impressed in iron-clad (2) after magnetic stripe (3) batching is circular, and the magnetic frame subassembly that magnetic stripe (3) and iron-clad (2) are constituteed fills into even magnetic field, and interference fit is impressed in gluey shell (4) to the magnetic frame subassembly.

2. The single-phase permanent magnet brushless motor that gets water of mobile air conditioner of claim 1, characterized by: the oil-retaining bearing (7) is arranged on the support (1) in an interference fit mode, the shaft core (13) penetrates through the oil-retaining bearing (7), an oil storage groove (17) is formed in the matching surface of the shaft core (13) and the oil-retaining bearing (7), lubricating grease (16) is injected into the oil storage groove (17), and the rotor assembly is supported through the oil-retaining bearing (7).

3. The single-phase permanent magnet brushless motor that gets water of mobile air conditioner of claim 1, characterized by: a first graphite gasket (5) is arranged between the rubber shell (4) and the oil-retaining bearing (7), a clamping ring (14) is arranged at the shaft outlet end of the support (1), a second graphite gasket (15) is arranged between the clamping ring (14) and the oil-retaining bearing (7), and a water retaining ring (12) is arranged in a shaft core clamping groove in the front end of the clamping ring (14).

4. The single-phase permanent magnet brushless motor that gets water of mobile air conditioner of claim 1, characterized by: the drive plate assembly comprises a drive plate (11), a drive IC (integrated circuit), a capacitor, a diode and a lead (9), wherein a sealant (10) is added at a wire outlet of the support, and the sealant (10) can prevent condensed water from entering the motor and fixing the lead (9) from the wire outlet.