CN106787379B - Water atomization motor and encapsulation process of stator assembly thereof - Google Patents

Water atomization motor and encapsulation process of stator assembly thereof Download PDF

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Publication number
CN106787379B
CN106787379B CN201710224586.3A CN201710224586A CN106787379B CN 106787379 B CN106787379 B CN 106787379B CN 201710224586 A CN201710224586 A CN 201710224586A CN 106787379 B CN106787379 B CN 106787379B
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CN
China
Prior art keywords
motor
water
atomizing
water outlet
gasket
Prior art date
Application number
CN201710224586.3A
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Chinese (zh)
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CN106787379A (en
Inventor
马长勇
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宁波市比尔迪赛电机有限公司
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Priority to CN201710224586.3A priority Critical patent/CN106787379B/en
Publication of CN106787379A publication Critical patent/CN106787379A/en
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Publication of CN106787379B publication Critical patent/CN106787379B/en

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/16Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
    • B05B12/32Shielding elements, i.e. elements preventing overspray from reaching areas other than the object to be sprayed
    • B05B12/36Side shields, i.e. shields extending in a direction substantially parallel to the spray jet
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements ; Spraying or sprinkling heads with rotating elements located upstream the outlet
    • B05B3/02Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements ; Spraying or sprinkling heads with rotating elements located upstream the outlet with rotating elements
    • B05B3/10Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements ; Spraying or sprinkling heads with rotating elements located upstream the outlet with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
    • B05B3/1007Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements ; Spraying or sprinkling heads with rotating elements located upstream the outlet with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces characterised by the rotating member
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C13/00Means for manipulating or holding work, e.g. for separate articles
    • B05C13/02Means for manipulating or holding work, e.g. for separate articles for particular articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K15/00Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/12Impregnating, heating or drying of windings, stators, rotors or machines
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/003Couplings; Details of shafts
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14Structural association with mechanical loads, e.g. with hand-held machine tools or fans

Abstract

The invention discloses a water atomization motor, which solves the problems of large noise and serious friction caused by insufficient concentricity of the existing water atomization motor in the process of throwing water out by an atomization disc, and has the technical scheme that a guard ring coated on the outer side of a stator assembly is arranged in a motor shell, and a gap between the guard ring and the stator assembly is encapsulated in a sealing way; the outside of motor casing is provided with the atomizing disk that has the delivery port, atomizing disk is including setting up and stretching into the inside extension section of motor casing around the delivery port, the rotor subassembly sets firmly in the outside of extension section be provided with the stereoplasm contact between extension section and the motor shaft, reached the embedment encapsulation, just can play sealed, reach complete waterproof performance, avoid burning out in the middle of the working process to be provided with the stereoplasm contact, guaranteed the concentricity of rotor, the noise is littleer in the middle of the rotation process, long service life.

Description

Water atomization motor and encapsulation process of stator assembly thereof

Technical Field

The invention relates to the technical field of motors, in particular to a water atomization motor.

Background

The high-efficiency water atomization motor has wide application range, and particularly relates to various industrial fields such as humidification, dust removal, spraying and the like, in particular to the aspect of spray cooling environment. But the sealing performance of the existing water atomization motor in the middle of the working process is not enough, once the motor enters water in the middle of the working process, the motor is easily burnt out, the concentricity of the existing water atomization motor is not enough, and then the problems of large noise, serious friction and the like are caused in the middle of the process of throwing water out of the atomization disc.

For example, the invention discloses a phase-change cooling energy-saving motor with an authorization publication number of CN103337928B, which comprises a casing, and the stator is installed in the following way: placing the welded stator into a shell; putting a stainless steel inner sleeve in the middle of the stator, putting an O-shaped ring in the stainless steel inner sleeve, and pressing the O-shaped ring into the bottom by using a tool; putting the rotor into the stator, and checking whether the motor operates normally; and (3) placing the prepared potting material into the shell, then sealing the whole shell, and waiting for curing. The encapsulating process is difficult to place in the process of placing the encapsulating material, the defective rate is about 9%, and in addition, the mode that a stainless steel inner sleeve is additionally arranged and forms a cavity with the shell is adopted, but in the mode, the encapsulating material cannot be completely sealed at the bottom part and the shell part of the inner ring and the upper part of the inner ring, so that the water easily enters the stator part, the whole motor is burnt out in the operation process, and the motor is very easy to break down in the operation process.

For example, chinese patent application No. 201420373252.4 discloses a centrifugal atomizer driven by an atomizing dc motor, which adopts a layer of ceramic coated on a main shaft to improve the wear resistance and impact resistance of the main shaft; the stator is integrated with the housing in a plastic package, so that the better waterproof and moistureproof purposes are achieved. However, in the method of coating a layer of ceramic on the outer side of the spindle, due to the tolerance existing in the coating process, polishing is needed after coating, the process is complicated, and the production efficiency is reduced.

Disclosure of Invention

The invention provides a water atomization motor with good sealing performance and high rotation concentricity.

In order to solve the problems, the invention provides a water atomization motor which comprises a motor shell, wherein a stator component and a rotor component are arranged in the motor shell, the stator component comprises a stator and a PCB (printed circuit board), the rotor component comprises a rotor and magnetic steel arranged on the outer side of the rotor, a motor shaft is arranged on the central line of a longitudinal axis in the motor shell, the center of the motor shaft is provided with a through water inlet, a guard ring coated on the outer side of the stator component is arranged in the motor shell, and pouring sealant is filled in a gap between the guard ring and the stator component; the motor comprises a motor shell, and is characterized in that an atomizing disc with a water outlet is arranged outside the motor shell, the atomizing disc comprises an extension section which is arranged around the water outlet and extends into the motor shell, the rotor assembly is fixedly arranged on the outer side of the extension section, and a hard contact piece is arranged between the extension section and the motor shaft.

Through adopting above-mentioned technical scheme, water atomization motor need let in moisture in the middle of the course of the work, so install stator module in the inside of protective shroud, the protective shroud has included inner circle, outer lane and base, just forms an annular and one side open-ended cavity, places into stator module in this cavity, and the encapsulation of rethread embedment has formed an independent sealed whole, just can play totally sealed effect, reaches complete waterproof performance, avoids burning out in the middle of the course of the work. And the hard contact piece is arranged, the concentricity of the rotor is guaranteed, the noise is lower in the rotating process, the service life is long, the hard contact piece is independently arranged, the processing is easier, and the processing step that a ceramic layer is coated outside a motor shaft is saved.

As a further improvement of the invention, a support part surrounding the motor shaft is arranged on the motor shell, and a first gasket is sleeved between the front end surface of the support part and the hard contact piece on the outer side of the motor shaft.

Through adopting above-mentioned technical scheme, the supporting part guarantees that the motor shaft has sufficient perpendicular direction installation location in the inside effect of motor casing to be provided with first gasket between the preceding terminal surface of supporting part and the stereoplasm contact, not only can promote whole cooperation performance, eliminate the clearance between the two through the gasket moreover, can avoid the energy consumption that both directly laminate and lead to big, the serious problem generates heat.

As a further improvement of the invention, the extension section and the hard contact piece are fixed through glue, an annular groove is arranged on the outer circumferential surface of the motor shaft close to the front end face, and a second gasket with the diameter larger than the outer diameter of the motor shaft is arranged in the annular groove.

Through adopting above-mentioned technical scheme, it is fixed mutually through glue with the extension section through the stereoplasm contact, extension section and rotor subassembly of atomizing disk have just been played, the stereoplasm contact is fixed mutually and is formed a whole, establish the outside at the motor shaft after packing into motor casing inside and the cover, through being provided with the annular groove, the second gasket that is greater than the motor shaft external diameter that sets up on the annular groove, and then played and to receive hydraulic impact effect at atomizing disk under, can guarantee atomizing disk's axial position, reduce the axial wear of stereoplasm contact, avoid deviating from in the middle of the motor casing.

As a further improvement of the invention, the second gasket is provided with an opening, and the length of the annular groove in the axial direction is larger than the width of the second gasket.

Through adopting above-mentioned technical scheme, pack into atomizing disk and rotor subassembly, the stereoplasm contact member installed on atomizing disk inside after motor casing and the cover is established in the outside of motor shaft, be provided with an opening on the second gasket, because the external diameter of annular groove is less than the external diameter of motor shaft, so just can install the second gasket in the annular groove through breaking open the opening off with the fingers and thumb. The length of the inner axial direction of the annular groove is larger than that of the second gasket, so that a certain gap is formed, the atomizing disc can be guaranteed to have micro-play in the axial direction, and the conditions that the efficiency and the rotating efficiency are low and the heating is caused by complete seizure are avoided.

As a further improvement of the invention, the magnetic steel is arranged on one side of the axial bisection plane of the stator component, which is deviated from the water outlet.

Through adopting above-mentioned technical scheme, through the one side of the mounted position erroneous tendency delivery port of magnet steel, after atomizing disk is strikeed to the delivery port direction by water, through the setting of the erroneous tendency delivery port of magnet steel, kept and the stator between the adsorption affinity of magnet, have the effect of resilience.

As a further improvement of the present invention, the first spacer and the second spacer are both graphite mesons.

By adopting the technical scheme, the graphite meson has good shock resistance and can effectively reduce friction.

As a further improvement of the present invention, the hard contact is a ceramic sleeve.

Through adopting above-mentioned technical scheme, because water atomization motor is intake easily in the middle of the use, so adopt ordinary bearing to rust easily, and then cause the ball to sting, cause the life-span to reduce, adopt ceramic sheathing to play can not rust, wear-resisting advantage.

As a further improvement of the invention, a water outlet cap is mounted at the water outlet of the atomizing disk, a plurality of water spray nozzles arranged towards the end surface of the atomizing disk are formed on the water outlet cap in the circumferential direction, and a plurality of annular atomizing ribs arranged concentrically are uniformly arranged on the end surface of the atomizing disk.

Through adopting above-mentioned technical scheme, the play water cap is provided with the water jet towards circumferential direction, can play and erupts to the rivers circumferential direction that enters into water outlet department to be provided with annular atomizing muscle, played after rivers erupt, after colliding with annular atomizing muscle in proper order, played and broken up the water droplet, atomization effect is better. Add and be equipped with the atomizing muscle, only need individual layer atomizing disk just can play the atomizing effect of double-deck atomizing disk on the market, on this basis moreover, only individual layer atomizing disk can play less windage, installs and moves more smoothly outdoors.

As a further improvement of the present invention, the edge portion of the atomizing disk is curved/inclined in the water flow ejecting direction, and an annular atomizing rib is also provided on the edge portion.

By adopting the technical scheme, the bent/inclined edge part is arranged, and the annular atomizing rib is also arranged on the edge part, so that the water sprayed from the water spraying opening can pass through the polymerization of the edge part, the range of the water mist at the spraying position is limited, and the atomizing effect is further increased.

As a further improvement of the invention, the water outlet cap is made of silica gel, the inner side of the water outlet extends radially inwards to form a retaining ring, and the water outlet cap is provided with an annular groove matched with the retaining ring.

Through adopting above-mentioned technical scheme, go out the water cap and make by silica gel, can conveniently dismantle the water cap that goes out, be convenient for install the second gasket.

As a further improvement of the invention, a spherical concave surface is arranged on one side of the water outlet cap facing the motor shaft, and water spray grooves communicated with the water spray ports one by one are arranged on the side circumferential surface of the water outlet cap.

Through adopting above-mentioned technical scheme, rivers touch spherical concave surface after spouting from the limbers center of motor shaft, can play dispersion and the buffering to rivers, form the rivers of backward flow, the rivers and the rivers of backward flow are towards relatively, can be even enter into the water spout in the middle of to spout away through the water jet.

As a further improvement of the invention, a plurality of annular atomizing ribs which are concentrically arranged are uniformly arranged on the end surface of the atomizing disk.

Through adopting above-mentioned technical scheme, the atomizing muscle sets up to the annular, can effectively reduce the windage of atomizing disk in the middle of the rotation process, and the operation is more smooth and easy to can break up the water layering that the water jet erupted, the atomized particles is little.

By combining the technical scheme, the invention has the following beneficial effects:

1. the sealing effect is good, and the stator assembly can play a complete role in waterproof performance by being encapsulated in the retainer;

2. the operation is stable, is provided with first gasket and second gasket, and first gasket disappears the clearance between the two, can avoid the big, serious problem that generates heat of energy consumption that both directly laminating lead to, and the axial position of atomizing disk can be guaranteed to the second gasket, reduces the axial wear of stereoplasm contact, avoids deviating from in the middle of the motor casing

3. The service life is long, the arrangement of the ceramic sleeve can not only ensure the concentricity of the rotor, but also prevent the ceramic material from rusting, and the service life is long;

4. the atomizing effect is good, and through the horizontal water jet of a water cap to the cooperation is gone up the atomizing muscle, and the atomized particles is effectual, and windage is little in the middle of the use.

The second purpose of the invention is to provide a potting process of a stator assembly of a water atomization motor, which has the advantages that the stator assembly can be completely isolated and sealed, and the good waterproof effect is achieved.

In order to solve the problems, the invention provides a potting process of a stator assembly of a water atomization motor, which comprises the following steps: a: placing the stator assembly into the cavity of the retainer; b: adding the fluid pouring sealant at least once, filling the gap between the stator assembly and the retainer and covering the surface layer of the PCB; c: and (5) drying until the colloid is solidified.

Through adopting above-mentioned technical scheme, place into stator module in this cavity, through the pouring sealant of adding the fluid matter form at least once, can play the clearance between stator module and the protective shroud and be full of and not leave the clearance, formed an independent sealed whole, just can play totally sealed effect, reach complete waterproof performance, avoid burning out in the middle of the working process.

As a further improvement of the invention, the guard ring and the stator assembly in the step b are placed on a substrate with a concave part matched with the shape of the guard ring, the substrate is provided with a vibration motor, and pouring sealant is added while the vibration motor is started.

Through adopting above-mentioned technical scheme, in the in-process of adding the casting glue add vibrating motor, the casting glue can be full of in the middle of the clearance completely, guarantees inside not to leave the air.

As a further improvement of the invention, the stator assembly is extruded into the cavity of the retainer through tooling.

Through adopting above-mentioned technical scheme, realized the mode equipment of the tight fit of stator module and protective shroud promptly.

Drawings

Fig. 1 is a sectional view of a water atomizing motor;

FIG. 2 is a schematic diagram of a water outlet cap separated from an oblique view of a water atomizing motor;

fig. 3 is an exploded view of a stator assembly and a motor housing of the water atomizing motor;

FIG. 4 is a schematic view of the atomizing disk of the water atomizing motor being fixed with the rotor assembly and the hard contact member;

fig. 5 is an isolated schematic view of the water outlet cap.

In the figure:

1. a motor housing; 11. a support portion; 12. a threaded connection end; 13. a wire leading port;

2. a stator assembly; 21. a stator; 22. a PCB board;

3. a rotor assembly; 31. a rotor; 32. magnetic steel;

4. a retainer; 41. pouring a sealant; 42. an inner ring; 43. an outer ring; 44. a base;

5. a motor shaft; 51. a water inlet;

6. an atomizing disk; 61. a water outlet; 62. an extension section;

63. a retaining ring; 64. atomizing ribs; 65. an edge portion;

7. a hard contact; 71. a first gasket; 72. a second gasket;

8. a water outlet cap; 81. a water spraying groove; 82. a water jet;

83. a spherical concave surface; 84. an annular atomization rib;

52. 85: an annular groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and fig. 3, a water atomizing motor includes a motor housing 1, and a stator assembly 2 and a rotor assembly 3 disposed inside the motor housing 1, a motor shaft 5 is installed on a longitudinal center line inside the motor housing, a water through hole 51 is disposed at a center of the motor shaft 5, a support portion 11 is disposed outside the motor shaft 5 inside the motor housing to ensure that the motor shaft 5 has sufficient vertical guiding installation and positioning, and a threaded connection end 12 is disposed outside the motor housing, the threaded connection end 12 is used for being in threaded connection with a water pipe to introduce water from the water pipe. The junction of the side circumferential surface and the axial end surface of the motor shell is provided with a lead port 13, so that the installation of various positions of leads can be realized, and the rotation angle of the leads is larger. Through holes for the motor to pass through are provided in the support part 11 and the threaded connection end 12, and the motor shaft 5 extends from the threaded connection end 12 into the motor housing, wherein the length does not reach the other side of the motor housing.

Referring to fig. 3, the stator assembly 2 includes a stator 21 and a PCB 22, and a protective ring 4 is disposed inside the motor housing 1, wherein the protective ring 4 is made of stainless steel to prevent rusting during use. The retainer 4 includes an inner ring 42, an outer ring 43 and a base 44, the retainer 4 is formed in a circular ring shape and has an opening on one side, the stator 21 is first placed in the retainer 4, the PCB 22 is located at the opening, and then the epoxy resin 1 is further injected for potting to secure sealing performance. This kind of setting of protective shroud 4 can be inside the complete cladding muscle of stator module 2 to under the effect of casting glue 41, reached complete sealing performance, make stator module 2 have waterproof performance, avoid burning out in the middle of the course of the work. The encapsulated stator assembly 2 and the retainer 4 are placed into the interior of the motor housing on one side of the PCB board 22.

With reference to fig. 4, a through hole is also formed in the center of the other side of the motor housing opposite to the support portion 11, the atomizing disk 6 having the water outlet 61 is disposed outside the motor housing, the atomizing disk 6 further includes an extension section 62 extending into the motor housing from the through hole, the extension section 62 is cylindrical, the length of the extension section 62 is determined by extending to a position close to the support portion 11 but not contacting the support portion 11, and the inner diameter of the extension section 62 is larger than the outer diameter of the motor shaft 5. The hard contact element 7 is fixed on the inner side of the extension section 62 through glue, the hard contact element 7 is also cylindrical, the hard contact element 7 is made of ceramic, namely a ceramic sleeve, and the hard contact element 7 and the extension section 62 are fixed through the glue. Rotor subassembly 3 includes rotor 31 and fixes magnet steel 32 in the rotor 31 outside, and rotor subassembly 3 also fixes in the outside of extending section 62 through glue, is provided with stereoplasm contact 7, has guaranteed rotor 31's concentricity, and the noise is littleer in the middle of the rotatory process, and is more wear-resisting. And the hard contact 7 adopts ceramics, because the water atomization motor is easy to enter water in the using process, the water atomization motor adopts a common bearing to rust easily, further the rolling ball is bitten, the service life is reduced, the ceramic sleeve has the advantage of not rusting, and the common bearing or the oil bearing can be adopted.

A first gasket 71 is sleeved between the front end surface of the supporting part 11 and the hard contact 7 on the outer side of the motor shaft 5, and the first gasket 71 is a graphite meson. The two sides of the first gasket 71 are respectively used for being abutted against the supporting part 11 and the hard contact piece 7, and the gap between the two is eliminated through the gasket, so that the problems of high energy consumption and serious heating caused by direct bonding of the two can be avoided. An annular groove 52 is formed in the outer circumferential surface of the outer side of the motor shaft 5, which is close to the end surface of the water outlet 61, and a second gasket 72 is arranged in the annular groove 52, wherein the second gasket 72 is also a graphite meson. The second spacer 72 has an outer diameter larger than that of the motor shaft 5, i.e., protrudes from the outside of the annular groove 52. The inner diameter of the second gasket 72 is slightly larger than the outer diameter of the annular groove 52 to avoid seizure due to slight tolerances. The second gasket 72 is provided with an opening, and the second gasket 72 can be mounted in the annular groove 52 by breaking the opening. The length of the annular groove 52 in the axial direction of the annular groove 52 is greater than the width of the second gasket 72, and the gap formed by the second gasket 72 and the annular groove 52 is 0.1mm to 0.7mm, preferably 0.5 mm.

During the installation process, the motor shaft 5 and the stator assembly 2 are installed firstly, then the atomizing disc 6 is installed, at the moment, the second gasket 72 can extend into the water outlet 61 and is installed in the annular groove 52, and finally the water outlet cap 8 is installed at the water outlet 61 for water outlet. Because the extension section 62 of the atomizing disk 6 is fixed with the rotor assembly 3 and the hard contact element 7 to form a whole, after being installed in the motor housing, the extension section is sleeved outside the motor shaft 5, so that the axial position of the atomizing disk 6 can be ensured under the impact action of the atomizing disk 6 under the water pressure, the axial abrasion of the hard contact element 7 is reduced, the separation from the motor housing 1 is avoided, the axial length in the annular groove 52 is larger than that of the second gasket 72, a certain gap is formed, the atomizing disk 6 can be ensured to have the micro-play in the axial direction, and the conditions of low efficiency, low heating and the like caused by complete seizing are avoided.

The further arrangement is that the magnetic steel 32 is mounted on the side of the axial bisecting plane of the stator assembly 2 which is deviated from the water outlet 61. In the working state of the water atomizing motor, after the atomizing disk 6 is impacted by water towards the water outlet 61, the magnetic steel 32 is deviated from the water outlet 61, so that the adsorption force of the magnet between the magnetic steel and the stator 21 is kept, and the rebound effect is realized.

Referring to fig. 5, the water outlet cap 8 is described in detail below, the inner side of the water outlet 61 extends radially inward to form a retaining ring 63, the water outlet cap 8 is provided with an annular groove 84 adapted to the retaining ring 63, the water outlet cap 8 is made of silica gel, and by fitting the water outlet cap 8 onto the retaining ring 63, a part of the water outlet cap is located at the outer side (in a spherical crown shape) of the atomizing disk 6, and another part of the water outlet cap is located inside the motor housing. Evenly arranged many cyclic annular atomizing muscle 64 of concentric setting on atomizing disk 6's terminal surface, also can be arc shape or linear type, cyclic annular atomizing muscle 64 can effectively reduce atomizing disk 6 the windage in the middle of the rotation process, it is more smooth and easy to operate, and can break up the water layering that water jet 82 erupted, the atomizing granule is little, it just can play the effect of double-deck atomizing disk 6 on the market to be provided with cyclic annular atomizing muscle 64, edge portion 65 of atomizing disk 6 is towards rivers spun direction bending or slope, and also be provided with annular atomizing muscle 84 on edge portion 65, and then can play the water energy that sprays the department in the middle of from water jet 82 and pass through edge portion 65's polymerization, the water smoke scope of spraying department obtains the restriction, and further increase atomization effect.

The circumference of the water outlet cap 8 is provided with 6 water spray grooves 81, the water spray grooves 81 form water spray holes 82 on the outer side of the water outlet cap 8, the direction of the water spray holes 82 is parallel to the end surface of the atomizing disk 6, the water conveyed from the water through hole 51 of the motor shaft 5 is sprayed out by the water spray grooves 81 and the water spray pipes, furthermore, one side of the water outlet cap 8 facing the motor shaft 5 is provided with a spherical concave surface 83, after being sprayed out from the center of the water through hole 51 of the motor shaft 5, the water flows touch the spherical concave surface 83, the water flows can be dispersed and buffered, the backflow water flows are formed, and the backflow water flows and the water flows are opposite to each other and can uniformly enter the water spray grooves 81.

A potting process of a stator assembly 2 of a water atomization motor comprises the following steps: a: the stator assembly 2 is placed in a cavity of the guard ring 4, and two modes can be adopted for assembly, wherein one mode is tight fit, namely the stator assembly 2 is directly placed in the guard ring 4 by tightly pressing the cavity in the guard ring 4 through tooling equipment, and the other mode is loose fit; b: the guard ring 4 and the stator assembly 2 are placed on a substrate with a concave part matched with the shape of the guard ring 4, a vibration motor is arranged on the substrate, pouring sealant 41 is added while the vibration motor is started, and the fluid pouring sealant 41 can be added for multiple times until the gap between the stator assembly 2 and the guard ring 4 is filled and the gap is covered on the surface layer of the PCB 22; c: and drying until the colloid is solidified, wherein the time is about 12 hours.

Put into stator module 2 in this cavity, through at least once add the pouring sealant 41 of liquid matter form, can play the clearance between stator module 2 and the protective shroud 4 and be full of and not leave the clearance, formed an independent sealed whole, just can play totally sealed effect, reach complete waterproof performance, avoid burning out in the middle of the working process.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (9)

1. A water atomization motor comprises a motor shell (1), a stator component (2) and a rotor component (3) are arranged in the motor shell (1), the stator assembly (2) comprises a stator (21) and a PCB (22), the rotor assembly (3) comprises a rotor (31) and magnetic steel (32) arranged on the outer side of the rotor (31), a motor shaft (5) is arranged on the central line of a longitudinal shaft in the motor shell (1), a water through hole (51) penetrating through the center of the motor shaft (5), it is characterized in that a guard ring (4) coated outside the stator component (2) is arranged in the motor shell (1), the retainer comprises an inner ring (42), an outer ring (43) and a base (44) which are matched to form a placing cavity and one side of which is open, a pouring sealant (41) is filled in a gap between the retainer (4) and the stator assembly (2); the motor comprises a motor shell (1), and is characterized in that an atomizing disc (6) with a water outlet (61) is arranged outside the motor shell (1), the atomizing disc (6) comprises an extension section (62) which is arranged around the water outlet (61) and extends into the motor shell (1), a rotor assembly (3) is fixedly arranged on the outer side of the extension section (62), a hard contact piece (7) is arranged between the extension section (62) and a motor shaft (5), a supporting part (11) which is arranged to surround the motor shaft (5) is arranged on the motor shell (1), and a first gasket (71) is sleeved on the outer side of the motor shaft (5) between the front end surface of the supporting part (11) and the hard contact piece (7); the extension section (62) and the hard contact piece (7) are fixed through glue, an annular groove is formed in the outer circumferential surface, close to the front end face, of the motor shaft (5), and a second gasket (72) with the diameter larger than the outer diameter of the motor shaft (5) is arranged in the annular groove.
2. A water atomizing motor in accordance with claim 1, wherein said second gasket (72) is provided with an opening, and the length of said annular groove in the axial direction is greater than the width of said second gasket (72).
3. A water atomizing motor in accordance with claim 2, characterized in that said magnetic steel (32) is mounted on the stator assembly (2) with its axial bisecting plane biased to the side of the water outlet (61).
4. A water atomizing motor in accordance with claim 3, characterized in that said first gasket (71) and second gasket (72) are both graphite mesons.
5. A water atomizing motor in accordance with claim 1, characterized in that said hard contact piece (7) is a ceramic sleeve.
6. The water atomizing motor according to claim 1, characterized in that a water outlet cap (8) is installed at the water outlet (61) of the atomizing disk (6), a plurality of water spray nozzles (82) are formed in the circumferential direction of the water outlet cap (8) and are arranged toward the end surface of the atomizing disk (6), and a plurality of annular atomizing ribs (64) which are concentrically arranged are uniformly arranged on the end surface of the atomizing disk (6).
7. A water atomizing motor in accordance with claim 6, characterized in that the edge of said atomizing disk (6) is curved/inclined in the direction of water stream ejection, and an annular atomizing rib (64) is also provided on the edge.
8. A water atomizing motor in accordance with claim 7, characterized in that said water outlet cap (8) is made of silicone, the inner side of said water outlet (61) extends radially inward to form a retaining ring (63), said water outlet cap (8) is provided with an annular groove (85) adapted to said retaining ring (63).
9. The water atomizing motor according to claim 8, wherein a spherical concave surface (83) is provided on a side of the water outlet cap (8) facing the motor shaft (5), and water spray grooves (81) communicating with the water spray ports (82) one by one are provided on a side circumferential surface of the water outlet cap (8).
CN201710224586.3A 2017-04-07 2017-04-07 Water atomization motor and encapsulation process of stator assembly thereof CN106787379B (en)

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CN201710224586.3A CN106787379B (en) 2017-04-07 2017-04-07 Water atomization motor and encapsulation process of stator assembly thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108940627B (en) * 2018-03-16 2021-01-05 天来节能科技(上海)有限公司 Automatic water stop atomizer

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Publication number Priority date Publication date Assignee Title
CN102280975A (en) * 2010-06-08 2011-12-14 天津市松正电动科技有限公司 Filling and sealing process of motor stator core
CN103337928A (en) * 2013-06-19 2013-10-02 上海天来能源有限公司 Energy-saving phase-change cooling motor
CN204074374U (en) * 2014-07-07 2015-01-07 上海天来能源有限公司 A kind of centrifugal atomizer driven by brshless DC motor
CN204442066U (en) * 2015-03-31 2015-07-01 湖北惠通能动力实业有限公司 The waterproof construction of pump motor
CN204858816U (en) * 2015-08-21 2015-12-09 宁波市比尔迪赛电机有限公司 Novel atomizer motor
CN105782063A (en) * 2014-12-22 2016-07-20 杭州三花研究院有限公司 Electrically-driven pump
CN207353954U (en) * 2017-04-07 2018-05-11 宁波市比尔迪赛电机有限公司 Water atomization motor

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Publication number Priority date Publication date Assignee Title
TWI423562B (en) * 2010-12-01 2014-01-11 Sunonwealth Electr Mach Ind Co Motor stator and the manufacturing method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102280975A (en) * 2010-06-08 2011-12-14 天津市松正电动科技有限公司 Filling and sealing process of motor stator core
CN103337928A (en) * 2013-06-19 2013-10-02 上海天来能源有限公司 Energy-saving phase-change cooling motor
CN204074374U (en) * 2014-07-07 2015-01-07 上海天来能源有限公司 A kind of centrifugal atomizer driven by brshless DC motor
CN105782063A (en) * 2014-12-22 2016-07-20 杭州三花研究院有限公司 Electrically-driven pump
CN204442066U (en) * 2015-03-31 2015-07-01 湖北惠通能动力实业有限公司 The waterproof construction of pump motor
CN204858816U (en) * 2015-08-21 2015-12-09 宁波市比尔迪赛电机有限公司 Novel atomizer motor
CN207353954U (en) * 2017-04-07 2018-05-11 宁波市比尔迪赛电机有限公司 Water atomization motor

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