阅读说明：本技术 一种浴霸用节能电机 (Energy-saving motor for bathroom heater ) 是由 朱杰 于 2020-12-30 设计创作，主要内容包括：本发明公开了一种浴霸用节能电机,旨在一种简单合理、稳定可靠、节能且降噪的浴霸用节能电机,包括相互扣合上机壳和下机壳、固定设置在上机壳和下机壳中心的转轴、转子组件、定子组件以及配合在转轴两端的上轴承和下轴承,所述定子组件套接在转子组件外,其特征在于：所述转轴对应上轴承和下轴承的两端分别内凹并形成有弧接槽,所述上机壳内凹有供上轴承配合的上轴承座,所述下机壳内凹有供下轴承配合的下轴承座,所述上轴承座内设有将上轴承固定在转轴上的波形垫片,所述下轴承座内设有将下轴承固定在转轴上的限位垫片。(The invention discloses an energy-saving motor for a bath heater, which aims to be simple, reasonable, stable, reliable, energy-saving and noise-reducing, and comprises an upper machine shell and a lower machine shell which are mutually buckled, a rotating shaft fixedly arranged at the centers of the upper machine shell and the lower machine shell, a rotor component, a stator component, an upper bearing and a lower bearing which are matched at the two ends of the rotating shaft, wherein the stator component is sleeved outside the rotor component, and the energy-saving motor for the bath heater is characterized in that: the rotating shaft is provided with an upper bearing seat matched with the upper bearing, a lower bearing seat matched with the lower bearing is arranged in the lower shell, a wave-shaped gasket for fixing the upper bearing on the rotating shaft is arranged in the upper bearing seat, and a limit gasket for fixing the lower bearing on the rotating shaft is arranged in the lower bearing seat.)

1. The utility model provides an energy-conserving motor is used to bathroom heater, includes each other lock-up upper housing and lower housing, fixed pivot, rotor subassembly, stator module and the cooperation at the pivot both ends of upper housing and lower housing center that sets up and lower bearing, stator module cup joints outside the rotor subassembly its characterized in that: the rotating shaft is provided with an upper bearing seat matched with the upper bearing, a lower bearing seat matched with the lower bearing is arranged in the lower shell, a wave-shaped gasket for fixing the upper bearing on the rotating shaft is arranged in the upper bearing seat, and a limit gasket for fixing the lower bearing on the rotating shaft is arranged in the lower bearing seat.

2. The energy-saving motor for the bathroom heater of claim 1, wherein: and a layer of lubricating oil is coated on the surface of the wave-shaped gasket.

3. The energy-saving motor for the bathroom heater of claim 1, wherein: the rotor assembly comprises a rotor core, a magnetic block retainer and a plurality of groups of permanent magnets, wherein the rotor core is arranged at the center and sequentially overlapped, the magnetic block retainer wraps the rotor core, the magnetic block retainer comprises a bottom plate and uniform retaining supports arranged on the bottom plate, and a magnet accommodating groove for inserting and matching the permanent magnets is formed between every two adjacent retaining supports.

4. The energy-saving motor for the bathroom heater of claim 3, wherein: the rotor comprises a rotor core, a rotor core and a holding bracket, wherein the rotor core is arranged in the rotor core, a dovetail groove is formed in the corner of the rotor core, one end of the holding bracket is in a dovetail shape and matched with the dovetail.

5. The energy-saving motor for the bathroom heater of claim 3, wherein: the magnetic poles of the two ends of each permanent magnet in the radial direction of the iron core are opposite, and the magnetic poles of the inner ends of the permanent magnets in the radial direction of the iron core are the same.

6. The energy-saving motor for the bathroom heater of claim 1, wherein: stator module includes stator insulation frame and sets up the stator core on stator insulation frame, stator core butt is in the junction of upper casing and lower casing.

7. The energy-saving motor for the bathroom heater as claimed in any one of claims 1 to 6, wherein: an insulating sleeve is arranged on one side of the upper casing, and a plurality of lead wires are arranged in the insulating sleeve.

Technical Field

The invention relates to the technical field of motors for bath heaters, in particular to an energy-saving motor for the bath heater.

Background

In the areas without warm air, especially in the south, the bathroom heater should be regarded as a necessary electrical appliance for every family. With the upgrading of heating technology, the functions and the quality are more and more perfect, and the ownership rate of the bathroom heater in China families is also increased year by year. The mainstream bathroom heaters in the current market can be divided into two types: one is a more traditional bulb bath heater, which utilizes high-intensity light to heat; the other type of the electric heating bathroom heater can be called as a wind heating bathroom heater actually, and warm wind is blown out for heating through the heating of the ceramic heating element serving as a heat source and the heating of the bathroom heater motor.

The motor is the core of bathroom heater, and functions such as warm, take a breath, drying are compromise to intelligence bathroom heater motor, and traditional bathroom heater motor research is most toward motor speed, moment of torsion, and the equidirectional such as low-voltage control, and traditional bathroom heater motor has following problem: an upper bearing and a lower bearing in the motor are in a structure inserted in a clearance, so that the upper bearing and the lower bearing are easy to move up and down, and further the noise is high; secondly, when the current applied to the motor is too large, permanent demagnetization can occur on the edge part of the permanent magnet of the motor close to the magnet exciting coil, the motor has high energy consumption, cannot normally work for a long time, and the service life of the motor is directly shortened.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provide a simple, reasonable, stable and reliable energy-saving motor for a bathroom heater, which is energy-saving and noise-reducing.

In order to solve the technical problems, the invention provides the following technical scheme:

an energy-saving motor for a bath heater comprises an upper machine shell, a lower machine shell, a rotating shaft, a rotor assembly, a stator assembly, an upper bearing and a lower bearing, wherein the rotating shaft is fixedly arranged at the center of the upper machine shell and the center of the lower machine shell in a mutually buckled mode, the upper bearing and the lower bearing are matched with the two ends of the rotating shaft, the stator assembly is sleeved outside the rotor assembly, the two ends, corresponding to the upper bearing and the lower bearing, of the rotating shaft are respectively concave and are provided with arc connecting grooves, an upper bearing seat matched with the upper bearing is concave in the upper machine shell, a lower bearing seat matched with the lower bearing is concave in the lower machine shell, a waveform gasket for fixing the upper bearing on the rotating shaft is arranged.

Preferably, the surface of the corrugated gasket is coated with a layer of lubricating oil.

Preferably, the rotor subassembly is including setting up at the center and superimposed rotor core, cladding magnet holder and a plurality of groups's permanent magnet outside rotor core in proper order, the magnet holder includes bottom plate and the even holding support that sets up on the bottom plate, is provided with the magnet storage tank that supplies the permanent magnet to insert to join in marriage between two adjacent holding supports.

Preferably, a dovetail groove is recessed in the corner portion of the rotor core, one end of the holding bracket is in a dovetail shape and matched with the dovetail groove, and the other end of the holding bracket is in an arc shape and matched with the permanent magnet.

Preferably, the magnetic poles of both ends of each permanent magnet in the radial direction of the iron core are opposite, and the magnetic poles of the inner ends of the plurality of permanent magnets in the radial direction of the iron core are the same.

Preferably, the stator assembly includes a stator insulation frame and a stator core disposed on the stator insulation frame, and the stator core abuts against a joint of the upper casing and the lower casing.

Preferably, an insulating sleeve is arranged on one side of the upper casing, and a plurality of lead wires are arranged in the insulating sleeve.

Compared with the prior art, the invention has the beneficial effects that:

1. the motor carries out spacing fixed to the upper bearing through being equipped with in last casing bolster bearing housing with the cooperation that the upper bearing fixed the epaxial wave form gasket of commentaries on classics and arc connect the groove, carries out spacing fixed to the lower bearing through being equipped with in the lower bearing housing with the cooperation that the lower bearing was fixed at the epaxial spacing gasket of commentaries on classics and arc connect the groove, and then realizes the interference press-in assembly of upper and lower bearing and pivot, has avoided because of clearance male structure, the upper and lower drunkenness that leads to, great reduction the noise.

2. The structural design of the outer magnetic path holder of rotor core, make the joint stable at its inside permanent magnet, permanent demagnetization has appeared in the marginal part of having avoided being close to excitation coil, the demagnetization has been avoided, great improvement life when having reduced the energy consumption, the magnetic path holder is by bottom plate and the project organization of setting up the support that keeps on the bottom plate, wherein the bottom plate is used for butt rotor core, and keep support one end be the dovetail and with rotor core's dovetail looks adaptation, can realize through inserting the joining in marriage mode, the stable fixed to the permanent magnet has been ensured, moreover, the steam generator is simple in structure, the installation is convenient.

3. The energy-saving motor for the bathroom heater achieves the purposes of no abnormal sound in motor operation, low energy consumption, more energy conservation and environmental protection by improving and optimizing the shell and the rotor component, and the deformation of the waveform gasket on the energy-saving motor is only 015-0.45mm when the pressure is 98N, so that the energy-saving motor is simple, reasonable, stable and reliable.

Drawings

FIG. 1 is a schematic structural view of an energy-saving motor for a bathroom heater according to the present invention;

FIG. 2 is a schematic structural diagram of an energy-saving motor for a bathroom heater of the present invention 2;

FIG. 3 is a schematic view of a rotor assembly according to the present invention shown in FIG. 1;

fig. 4 is a schematic structural view 2 of a rotor assembly according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, an energy-saving motor for a bathroom heater includes an upper housing 1 and a lower housing 2 which are fastened to each other, a rotating shaft 3 fixedly disposed at the center of the upper housing 1 and the lower housing 2, a rotor assembly 4, a stator assembly 5, and an upper bearing 6 and a lower bearing 7 which are fitted at both ends of the rotating shaft 3, the stator assembly 5 is sleeved outside the rotor assembly 4, both ends of the rotating shaft 3 corresponding to the upper bearing 6 and the lower bearing 7 are recessed and formed with arc connecting grooves 31, respectively, an upper bearing seat 11 for fitting the upper bearing 6 is recessed in the upper housing 1, a lower bearing seat 21 for fitting the lower bearing 7 is recessed in the lower housing 2, a wave-shaped gasket 8 for fixing the upper bearing 6 on the rotating shaft 3 is disposed in the upper bearing seat 11, a limit gasket 9 for fixing the lower bearing 7 on the rotating shaft 3 is disposed in the lower bearing seat 21, the wave-shaped gasket 8 and the arc, the deformation of the waveform gasket 8 is only 015-0.45mm when the pressure is 98N, the lower bearing 6 is limited and fixed by the cooperation of the limiting gasket 9 and the arc connecting groove 31, and then the interference press-in assembly of the upper bearing and the lower bearing and the rotating shaft 3 is realized, the vertical movement caused by a gap inserting structure is avoided, and the noise is greatly reduced.

The surface of the wave-shaped gasket 8 is coated with a layer of lubricating oil, and the lubricating oil reduces the friction between the gasket and the upper bearing 6, so that the motor is ensured to run without abnormal sound.

Rotor subassembly 4 is including setting up at the center and superimposed rotor core 41 in proper order, the cladding is at rotor core 41 outer magnetic block holder 42 and several groups's permanent magnet 43, magnetic block holder 42 includes bottom plate 421 and the even holding support 422 that sets up on bottom plate 421, it inserts the magnet storage tank 44 of joining in marriage to be provided with to supply permanent magnet 43 between two adjacent holding supports 422, rotor core 41 outer magnetic block holder 42's structural design, make the joint stable at its inside permanent magnet 43, avoided the marginal portion near field coil permanent demagnetization to appear, the demagnetization has been avoided, great improvement life when having reduced the energy consumption.

The dovetail groove 411 is concavely arranged in the corner part of the rotor core 41, one end of the holding support 422 is in a dovetail shape and matched with the dovetail groove 411, the other end of the holding support 422 is in an arc shape and matched with the permanent magnet 43, and the stable fixing of the permanent magnet 43 is ensured by the inserting and matching mode, so that the structure is simple, and the installation is convenient.

The magnetic poles of both ends of each permanent magnet 43 in the radial direction of the rotor core 41 are opposite, and the magnetic poles of the inner ends of the plurality of permanent magnets 43 in the radial direction of the rotor core 41 are all the same.

The stator assembly 5 includes a stator insulation frame 51 and a stator core 52 disposed on the stator insulation frame 51, and the stator core 52 abuts against a joint of the upper casing 1 and the lower casing 2 to ensure stability of the stator.

An insulating sleeve 10 is arranged on one side of the upper casing 1, and a plurality of lead wires 101 are arranged in the insulating sleeve 10, so that the motor can be conveniently wired and operated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.