CN107192072B

CN107192072B - Precise atomizer

Info

Publication number: CN107192072B
Application number: CN201710569012.XA
Authority: CN
Inventors: 蔡伟
Original assignee: Tianlai Energy Efficiency Technology Shanghai Co ltd
Current assignee: Tianlai Energy Efficiency Technology Shanghai Co ltd
Priority date: 2017-07-13
Filing date: 2017-07-13
Publication date: 2023-06-23
Anticipated expiration: 2037-07-13
Also published as: CN107192072A

Abstract

The invention provides a precise atomizer, which comprises an atomizing motor, namely a centrifugal brushless direct current motor and an atomizing disk, wherein a hollow rotating shaft is arranged in a shell of the atomizing motor, and the diameter of the middle part of the rotating shaft is larger than or equal to the diameter of two ends of the rotating shaft; a cover is fixedly arranged between the shell and the atomizing disk, and the upper end of the rotating shaft penetrates through the shell and the cover to be fixedly connected with the atomizing disk; the lower end of the rotating shaft penetrates through the shell and is communicated with the water inlet arranged on the shell, so that the water inlet is communicated with the atomizing disk through the hollow cavity of the rotating shaft. The precise atomizer provided by the invention is novel and unique in structural arrangement, convenient to install and use, good in atomization effect, safe, energy-saving, environment-friendly, high in comprehensive cost performance, wide in application range and the like, and therefore has a wide application prospect and good market potential.

Description

Precise atomizer

Technical Field

The invention belongs to the field of mechanical equipment manufacturing, relates to the technical field of atomization cooling and air conditioner energy conservation, and in particular relates to a precise atomizer.

Background

At present, a centrifugal atomization brushless direct current motor used in the field of air conditioner energy conservation basically adopts an inner rotor to rotate around a main shaft, water is introduced into the main shaft, an atomization disc is connected with the inner rotor, and the rotor drives the atomization disc to atomize water. The centrifugal atomizing brushless direct current motor generally works in an outdoor humid and dust environment, and external dust is easy to enter gaps between the rotor and the stator and between the rotor and the main shaft, so that the gaps between the rotor and the main shaft and between the rotor and the stator are blocked and rusted, and the motor windings are wet, so that the motor is short-circuited to ground, a stalling fault occurs, and the service life of the atomizer is seriously influenced. In order to avoid the sudden fault of the atomizer from influencing the normal use of the air conditioner, the outside of the air conditioner is generally provided with drip pipes for dripping water due to the technical limitations of various large, medium and small floor and wall-mounted air conditioners. The water dripping noise and the water dripping splashing can be easily caused to pass through pedestrians, and accidents can be caused even by short circuit of outdoor adjacent lines and water dripping avoidance of pedestrians caused by long-term water dripping splashing.

Therefore, aiming at the problems that the service life of the existing energy-saving atomizer for the air conditioner is shorter, the stalling fault can often occur and the water dripping phenomenon on the ground is serious, the technical personnel in the field need to design a novel air conditioner atomizer which can have long service life and can not generate the water dripping phenomenon.

Disclosure of Invention

In order to solve the above technical problems in the prior art, the inventors have designed and manufactured an atomizer device capable of effectively preventing external dust and water from entering into a motor, so as to prolong the service life of the atomizer device.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the invention provides a precise atomizer, which comprises an atomizing motor, namely a centrifugal brushless direct current motor and an atomizing disk, wherein a hollow rotating shaft is arranged in a shell of the atomizing motor, and the diameter of the middle part of the rotating shaft is larger than or equal to the diameter of two ends of the rotating shaft; a cover is fixedly arranged between the shell and the atomizing disk, the upper end of the rotating shaft penetrates through the shell and the cover to be fixedly and hermetically connected with the atomizing disk, the atomizing disk is fixedly and hermetically connected with the rotating shaft, and the joint is seamless; the lower end of the rotating shaft is communicated with a water inlet arranged on the shell by the shell, and the top end of the rotating shaft is provided with a water outlet and is contained by the atomizing disk, so that the water inlet is communicated with the atomizing disk through a hollow cavity of the rotating shaft; the atomizing motor is internally provided with a stator core and magnetic steel which is arranged corresponding to the stator core, and the magnetic steel is fixedly connected with the rotating shaft.

Wherein, the upper end of pivot be equipped with the apopore of atomizing dish intercommunication. When the precise atomizer is electrified to operate, the stator iron core drives the magnetic steel to rotate, the magnetic steel rotates together with the rotating shaft, and the rotating shaft drives the atomizing disk to rotate rapidly; meanwhile, water to be atomized enters the hollow cavity of the rotating shaft from the water inlet, overflows from the water outlet hole at the upper end of the rotating shaft, atomization is completed in the atomizing disc, and finally a large number of mist drops are discharged from the atomizing disc through centrifugal force.

Preferably, in the above precise atomizer, an anti-rust protection layer for isolating the stator core and the magnetic steel is further disposed in the atomizing motor, and the anti-rust protection layer is detachably connected to the casing and is disposed in close contact with an inner circle of the stator core. Besides the detachable inner circle device, other technical means can be used for carrying out corrosion prevention, rust prevention and leakage prevention treatment on the iron core and the magnetic steel. Other technical means include, but are not limited to, spraying corrosion-resistant, rust-resistant, and leak-proof materials.

Further preferably, in the above precise atomizer, an upper shaft sleeve is provided at the center of the upper end of the housing, the upper shaft sleeve is fixedly connected with the cover, and the upper end of the rotating shaft passes through the upper shaft sleeve and is fixedly connected with the atomizing disk. The center of the lower end of the shell is provided with a lower shaft sleeve, the lower shaft sleeve is fixedly connected with the shell, and the lower end of the rotating shaft is contained by the lower shaft sleeve and is communicated with the water inlet.

Still further preferably, in the above precise atomizer, a cooling hole is formed in the rotating shaft which is contained by the upper shaft sleeve and is connected to the connecting portion, the liquid to be atomized flows through the cooling hole in the hollow cavity of the rotating shaft to reach the atomizing disk and be atomized, and the liquid to be atomized enters the connecting portion between the upper shaft sleeve and the rotating shaft through the cooling hole to cool and lubricate the rotating shaft, so that the service life of the rotating shaft is prolonged; the rotating shaft which is contained by the lower shaft sleeve and is connected with the connecting part is provided with a cooling hole, and liquid to be atomized enters the hollow cavity from the water inlet through the cooling hole so as to cool and lubricate the rotating shaft, and prolong the service life of the rotating shaft.

In the precision atomizer, the upper oil seal is sleeved on the connecting part of the upper shaft sleeve and the upper end of the rotating shaft. And a lower oil seal is sleeved at the connecting part of the lower shaft sleeve and the lower end of the rotating shaft.

Preferably, in the above precise atomizer, along the axial direction of the rotating shaft, an upper oil seal spring is arranged between the upper oil seal and the atomizing disk, and the upper oil seal spring abuts against the upper oil seal, so that the upper oil seal is in sealing connection with the upper shaft sleeve, liquid in the motor and in the cooling hole cannot drip out, and meanwhile, external liquid and dust cannot enter the motor.

Further preferably, in the above precise atomizer, an upper oil seal spring is provided between the upper oil seal and the atomizing disk along the axial direction of the rotating shaft, and the upper oil seal spring abuts against the upper oil seal to make the upper oil seal and the upper shaft sleeve be in sealing connection; meanwhile, an upper oil seal II and an upper oil seal spring II are additionally arranged at the middle part of the upper shaft sleeve and the rotating shaft along the axial direction of the rotating shaft, and the upper oil seal spring II props against the upper oil seal II so that the upper oil seal II is in sealing connection with the upper shaft sleeve; along the axial of pivot be equipped with down the oil blanket spring down between the oil blanket with the pivot middle part, lower oil blanket spring is held up down the oil blanket, makes down the oil blanket with lower shaft sleeve sealing connection, purpose makes outside liquid and dust can not get into inside the motor, simultaneously, the liquid of cooling hole can not drip out.

Still further preferably, in order to prevent liquid and dust from entering the motor, an upper oil seal spring is arranged between the upper oil seal and the middle part of the rotating shaft along the axial direction of the rotating shaft, and the upper oil seal spring props against the upper oil seal to enable the upper oil seal to be in sealing connection with the upper shaft sleeve; along the axial direction of the rotating shaft, a lower oil seal spring is arranged between the lower oil seal and the middle part of the rotating shaft, and the lower oil seal spring props against the lower oil seal to enable the lower oil seal to be in sealing connection with the lower shaft sleeve.

Furthermore, it should be noted that the upper and lower oil seal springs may be respectively configured to: the springs are sleeved on the rotating shaft, or the springs encircle the rotating shaft and are uniformly distributed on the circumference taking the rotating shaft as the circle center at equal intervals.

Preferably, in the above precise atomizer, the outer diameters of the two ends of the rotating shaft are not larger than the outer diameter of the magnetic steel, the outer diameter of the upper end of the rotating shaft is smaller than the inner diameter of the upper shaft sleeve, and the outer diameter of the lower end of the rotating shaft is smaller than the inner diameter of the lower shaft sleeve or the inner diameter of the lower end of the rotating shaft is larger than the outer diameter of the lower shaft sleeve.

Preferably, in the above precise atomizer, the cover is fixedly mounted on an upper end surface of the housing, and a lower end edge of the atomizing disk is lower than a highest surface of the cover, and the housing or the upper end surface of the cover is radially provided with one or more edges from outside to inside, the lower end surface of the atomizing disk is radially provided with one or more edges from outside to inside, and the edges of the atomizing disk and the edges of the housing or the cover are sleeved in a labyrinth form and are not in direct contact with each other. Specifically, the labyrinth form is that at least one group of concave-convex rings are sequentially arranged on the upper end surface of the cover or the lower end surface of the atomizing disk from outside to inside to form the edge of the atomizing disk, the shell or the cover, so that the annular bulge of the upper end surface of the cover and the annular bulge of the lower end surface of the atomizing disk are arranged in a vertically staggered nested manner and are not in direct contact with each other, an annular labyrinth form embedded structure is formed, and liquid or dust is prevented and reduced from entering the upper end part of the rotating shaft and the inside of the motor.

Further preferably, in the precision atomizer, the water outlet hole is formed in a side wall of the top end of the rotating shaft, so that impulse of water pressure to the atomizing disk is reduced, and power consumption of the motor is reduced.

Further preferably, in the above precise atomizer, the atomizing disk is made of metal, preferably aluminum alloy or stainless steel, so that the atomizing disk and the motor can radiate heat rapidly.

In addition, any one or more of the rotating shaft, the upper shaft sleeve and the lower shaft sleeve is preferably made of ceramic materials. When the rotating shaft, the upper shaft sleeve and the lower shaft sleeve are made of light ceramic materials with high strength, the precise atomizer can effectively reduce the energy consumption of the motor, avoid rust caused by the conventional universal ball bearing, prolong the service life of the motor and improve the motor efficiency.

It is worth to say that the precise atomizer can be widely applied to atomization cooling equipment in industrial production or air conditioner energy-saving equipment in daily life and the like.

Compared with the prior art, the invention has the following technical advantages:

according to the precise atomizer provided by the invention, the rotor shaft and the main shaft are combined into one shaft, so that one shaft in the motor is omitted, and the motor cover, the sealing shaft sleeve and the oil seal are preferably additionally arranged, so that external water and dust can be effectively prevented from entering the motor, for example, external water and dust are prevented from entering a gap between a motor stator and a rotating shaft, and finally the service life of the precise atomizer is remarkably prolonged. In addition, the water outlet is formed in one side of the upper end of the rotating shaft and is contained by the atomizing disc, so that the axial impulsive force of high water pressure on the atomizing disc is reduced, the power consumption of the motor is reduced, and the service life of the motor is prolonged.

In summary, compared with the prior art, the precise atomizer has the advantages of novel and unique structural arrangement, convenient installation and use, good atomization effect, safety, energy conservation, environmental protection, high comprehensive cost performance, wide application range and the like, and therefore, the precise atomizer has wide application prospect and good market potential.

Drawings

FIG. 1 is a schematic diagram of a precision atomizer according to one embodiment of the invention;

the device comprises a 1-atomizing motor, a 2-atomizing disc, a 3-shell, a 4-rotating shaft, a 5-water inlet, a 6-cover, a 7-stator core, 8-magnetic steel, a 9-rust-proof protection layer, a 101-upper shaft sleeve, a 102-lower shaft sleeve, a 111-upper oil seal and a 112-lower oil seal, wherein the upper shaft sleeve is provided with a first-stage oil seal;

the semicircle of the middle part of the atomizing disk (2) is a diversion cap of the atomizing disk, and the part contained in the diversion cap is a water outlet at the upper end of the rotating shaft.

FIG. 2 is a schematic diagram of a precision atomizer according to one embodiment of the invention;

the device comprises a 1-atomizing motor, a 2-atomizing disc, a 3-shell, a 4-rotating shaft, a 5-water inlet, a 6-cover, a 7-stator core, 8-magnetic steel, a 9-rust-proof protection layer, a 101-upper shaft sleeve, a 102-lower shaft sleeve, a 111-upper oil seal, a 112-lower oil seal, a 121-upper oil seal spring and a 122-lower oil seal spring, wherein the upper oil seal is arranged on the upper shaft sleeve;

FIG. 3 is a schematic view of a precision atomizer according to a preferred embodiment of the present invention;

the device comprises a 1-atomizing motor, a 2-atomizing disc, a 3-casing, a 4-rotating shaft, a 5-water inlet, a 6-cover, a 7-stator core, 8-magnetic steel, a 9-rust-proof protection layer, a 101-upper shaft sleeve, a 102-lower shaft sleeve, a 111-upper oil seal, a 112-lower oil seal, a 121-upper oil seal spring, a 122-lower oil seal spring, a 13-cooling hole, a 14-lower sealing block, a 15-upper sealing block and a 16-atomizing hole.

Detailed Description

The invention provides a precise atomizer, which adopts the following technical scheme: the rotor shaft and the main shaft are combined into one shaft, so that one shaft in the motor is omitted, and the hollow rotating shaft 4 is arranged to have the functions of rotation and water supply; in addition, in order to make the rotating shaft 4 rotate well, a cover 6, an upper shaft sleeve (101) fixed on the cover 6 and a lower shaft sleeve (102) fixed in the center of the bottom of the shell (3) are respectively arranged, wherein the upper shaft sleeve and the lower shaft sleeve are main arrangements for ensuring the rotating shaft 4 to rotate; likewise, in order to further prevent external dust and water from entering the inside of the motor, an upper oil seal is provided at the connection portion of the rotation shaft 4 and the upper shaft sleeve, and a lower oil seal is provided at the connection portion of the rotation shaft 4 and the lower shaft sleeve.

Specifically, the precise atomizer comprises an atomizing motor 1, namely a centrifugal brushless direct current motor and an atomizing disk 2, wherein a hollow rotating shaft 4 is arranged in a shell 3 of the atomizing motor 1, and the diameter of the middle part of the rotating shaft 4 is larger than or equal to the diameter of two ends of the rotating shaft; a cover 6 is fixedly arranged between the machine shell 3 and the atomizing disk 2, the upper end of the rotating shaft 4 passes through the machine shell 3, the cover 6 and an upper shaft sleeve (101) to be fixedly and hermetically connected with the atomizing disk 2, and a joint of the atomizing disk and the upper end of the rotating shaft is seamless; the lower end of the rotating shaft 4 passes through the casing 3 to be communicated with the water inlet 5 arranged on the casing 3, and the side surface of the top end of the rotating shaft 4 is provided with a water outlet hole and is contained by the atomizing disk 2, namely, the water outlet is positioned in the atomizing disk 2, so that the water inlet 5 is communicated with the atomizing disk 2 through the hollow cavity of the rotating shaft 4 to form a complete water flow channel; the atomizing motor 1 is internally provided with a stator core 7 and magnetic steel 8 which is arranged corresponding to the stator core 7, and the magnetic steel 8 is fixedly connected with the rotating shaft 4. After the atomizing motor 1 is electrified, the radial magnetic force between the stator core 7 and the magnetic steel 8 can enable the rotating shaft 4 to be suspended in the range of the stator core 7 of the motor. Through foretell structural arrangement, can effectively prevent water and dust entering the gap between motor stator and the pivot to the life of this accurate atomizer is prolonged.

In a preferred embodiment, an anti-rust protection layer 9 for isolating the stator core 7 and the magnetic steel 8 is further disposed in the atomizing motor 1, the anti-rust protection layer 9 is detachably connected to the casing 3 and is closely attached to an inner circle of the stator core 7, the anti-rust protection layer 9 is sleeved on the periphery of the rotating shaft 4 in a cylindrical structure, and the rotating shaft 4, the stator core 7, the magnetic steel 8 and the anti-rust protection layer 9 are all subjected to anti-rust treatment. In another preferred embodiment, the stator and rotor may be sprayed with a corrosion, rust, drip resistant material.

In a further preferred embodiment, the upper end of the shaft 4 is sealingly connected to the housing 3 and the cover 6 by means of an upper bushing 101.

Still further preferably, in the above-mentioned precision atomizer, a cooling hole is provided in the shaft 4 of the portion to be connected, which is enclosed and sealed by the upper shaft housing 101, the liquid to be atomized flows through the cooling hole in the hollow cavity of the shaft 4 to the atomizing disk 2 and is atomized, and the liquid to be atomized enters the connecting portion between the upper shaft housing 101 and the shaft 4 through the cooling hole. The cooling holes can cool and lubricate the rotating shaft, so that the working efficiency of the rotating shaft is higher and the service life of the rotating shaft is longer.

In a further preferred embodiment, the upper oil seal 111 is further sleeved at the connection part between the upper shaft sleeve 101 and the upper end of the rotating shaft 4, so that the upper oil seal 111 is in sealing connection with the upper shaft sleeve 101 by adjusting the size and position of magnetic force lines, the magnetic force lines are generated by the magnetic steel 8 and the rotating shaft 4, the rotating shaft 4 is subjected to an upward radial magnetic force, and the upper oil seal 111 on the rotating shaft 4 is driven to float and axially press the upper shaft sleeve 101, so that the first oil seal is tightly contacted with the upper shaft sleeve to play a sealing role.

In a most preferred embodiment, an upper oil seal spring 121 is provided between the upper oil seal 111 and the middle portion of the rotating shaft 4 in the axial direction of the rotating shaft 4, and the upper oil seal spring 121 abuts against the upper oil seal 111 so that the upper oil seal 111 is in sealing connection with the upper shaft sleeve 101.

In a preferred embodiment, the lower end of the rotating shaft 4 is in sealing connection with the casing 3 through a lower shaft sleeve 102, and the lower shaft sleeve 102 is fixedly connected with the casing 3, so that the lower end of the rotating shaft 4 passes through the casing 3 and the lower shaft sleeve 102 to be communicated with the water inlet 5 arranged on the casing 3.

In a further preferred embodiment, the connection of the lower sleeve 102 to the lower end of the shaft 4 is also sleeved with a lower oil seal 112.

In a further preferred embodiment, a lower oil seal spring 122 is provided between the lower oil seal 11 and the middle portion of the rotating shaft 4 along the axial direction of the rotating shaft 4, and the lower oil seal spring 122 abuts against the lower oil seal 112 so that the lower oil seal 112 is in sealing connection with the lower shaft sleeve 102.

In a further preferred embodiment, the outer diameters of the two ends of the rotating shaft are not larger than the outer diameter of the magnetic steel, the outer diameter of the upper end of the rotating shaft is smaller than the inner diameter of the upper shaft sleeve, the outer diameter of the lower end of the rotating shaft is smaller than the inner diameter of the lower shaft sleeve or the inner diameter of the lower end of the rotating shaft is larger than the outer diameter of the lower shaft sleeve. When the inner diameter of the lower end of the rotating shaft is larger than the outer diameter of the lower shaft sleeve, one end of the lower shaft sleeve is fixed at the center of the bottom of the shell, and the other end of the lower shaft sleeve is contained by the lower end of the rotating shaft.

In a preferred embodiment, the cover 6 is fixedly arranged on the upper end face of the casing 3, the diameter of the cover 6 is larger than that of the upper end face of the casing 3, the lower end edge of the atomizing disk is lower than the highest surface of the cover, one or more edges are radially arranged on the upper end face of the casing 3 and/or the cover 6 from outside to inside, one or more edges are radially arranged on the lower end face of the atomizing disk 2 from outside to inside, and the edges of the atomizing disk 2 and the edges of the casing 3 and/or the cover 6 are sleeved in a labyrinth mode and are not in direct contact with each other. Specifically, the labyrinth form is that at least one annular protrusion is sequentially arranged on the upper end surface of the cover 6 or the lower end surface of the atomizing disk 2 from outside to inside, and the annular protrusion forms the edge of the atomizing disk 2, the shell 3 or the cover 6, so that the annular protrusion on the upper end surface of the cover 6 and the annular protrusion on the lower end surface of the atomizing disk 2 are arranged in a vertically staggered nested manner and are not in direct contact with each other, and an annular labyrinth form embedded structure is formed under the condition that the atomizing disk 2 can rotate relative to the shell 3 and the cover 6.

In a preferred embodiment, the water outlet is formed in the side wall at the top end of the rotating shaft 4, so that the centrifugal atomization effect of the atomizer 1 is further improved, the impact of water pressure on the atomizing disk is reduced, and the power consumption of the motor is reduced.

In a preferred embodiment of the precision atomizer, the atomizing disk 2 is made of metal, which can help dissipate heat and increase the lifetime of the atomizer, and is preferably made of aluminum alloy or stainless steel.

The following detailed and specific descriptions of the present invention are provided by way of specific examples to provide a better understanding of the present invention, but the following examples do not limit the scope of the present invention.

Example 1

The precise atomizer with the structure shown in fig. 1 comprises an atomizing motor 1 and an atomizing disk 2 positioned above the atomizing motor 1, wherein the atomizing motor 1 adopts a centrifugal brushless direct current motor; a hollow rotating shaft 4 is arranged in a shell 3 of the atomizing motor 1, the diameter of the middle part of the rotating shaft 4 is larger than or equal to the diameter of two ends of the rotating shaft, the diameters of two ends of the rotating shaft 4 are not larger than the diameter of the middle part of the rotating shaft 4, the diameter of the middle part of the rotating shaft 4 is larger than the inner diameters of an upper shaft sleeve 101 and a lower peripheral sleeve 102, and the cross section of the rotating shaft 4 is shown as a 'NOT' shape in fig. 1, namely, a rotor shaft is directly omitted, so that the rotating shaft 4 has the functions of rotation and water passing; a cover 6 is fixedly arranged between the machine shell 3 and the atomizing disk 2, and the upper end of the rotating shaft 4 passes through the machine shell 3 and the cover 6 to be fixedly connected with the atomizing disk 2; the lower end of the rotating shaft 4 passes through the casing 3 to be communicated with a water inlet 5 arranged on the casing 3, the top end of the rotating shaft 4 is provided with a water outlet hole and is contained by the atomizing disk 2, namely, the water outlet hole is positioned in the atomizing disk 2, the water inlet 5 is a water inlet part, and no dust enters; the integral internal structure enables the water inlet 5 to be communicated with the atomizing disk 2 through the hollow cavity of the rotating shaft 4, so that a complete water flow channel is formed.

In this embodiment, a stator core 7 and a magnetic steel 8 provided in correspondence with the stator core 7 are provided in the atomizing motor 1. In addition, still be equipped with an antirust protective layer 9 that is used for keeping apart stator core 7 and magnet steel 8 in atomizing motor 1, antirust protective layer 9 can dismantle the interior circle setting of connecting on casing 3 and hugging closely stator core 7, and pivot 4, stator core 7, magnet steel 8 and antirust protective layer 9 all pass through antirust treatment moreover.

As shown in fig. 1, in this embodiment, the upper end of the rotating shaft 4 is hermetically connected with the casing 3 and the cover 6 through an upper shaft sleeve 101, and an upper oil seal 111 is also sleeved at the connection part between the upper shaft sleeve 101 and the upper end of the rotating shaft 4; or, from another angle, the upper end of the rotating shaft 4 is sleeved with an upper shaft sleeve 101 and an upper oil seal 111 in turn from bottom to top along the axial direction; the lower end of the rotating shaft 4 is in sealing connection with the shell 3 through a lower shaft sleeve 102, and a lower oil seal 112 is sleeved at the connecting part of the lower shaft sleeve 102 and the lower end of the rotating shaft 4; or, from another angle, the lower end of the rotating shaft 4 is sleeved with a lower shaft sleeve 102 and a lower oil seal 112 from top to bottom in sequence along the axial direction; in this embodiment, the gaps between the both ends of the rotation shaft 4 and the upper and

lower bushings

101, 102 are sufficiently small. The arrangement of the structure enables the interior of the shell 3 to be isolated from the outside, so that dust is prevented from entering the interior of the atomizing motor 1.

In this embodiment, the cover 6 may be fixedly mounted on the upper end surface of the casing 3 by bolts, and the diameter of the cover 6 is larger than that of the upper end surface of the casing 3, so that the lower end edge of the atomizing disk is lower than the highest surface of the cover, and the lower end of the atomizing disk and the upper end of the cover are sleeved in a labyrinth manner, so that the cover 6 can completely cover the upper end surface of the casing 3, and further water and dust are prevented from entering the motor. In addition, the top of the rotating shaft 4 is closed, and the water outlet hole is formed in the side wall of the top of the rotating shaft 4, so that water is dispersed along the centrifugal direction of the atomizing disk 2 from the water outlet hole after passing through the hollow cavity of the rotating shaft 4, and the centrifugal atomizing effect of the atomizer 1 is further improved.

In addition, the rotating shaft 4, the upper shaft sleeve 101 and the lower shaft sleeve 102 in the example are all made of ceramic materials with light weight and high strength, so that the energy consumption of the motor can be effectively reduced in the running process of the precise atomizer, and the average power saving can be achieved by more than 30%.

After the atomizing motor 1 is electrified, when the precise atomizer is electrified and runs, the stator iron core 7 drives the magnetic steel 8 to rotate, the magnetic steel 8 rotates together with the rotating shaft 4, and the rotating shaft 4 drives the atomizing disk 2 to rotate rapidly; meanwhile, water to be atomized enters the hollow cavity of the rotating shaft 4 from the water inlet 5, is sprayed out from the water outlet at the upper end of the rotating shaft 4, is atomized in the atomizing disc 2, and finally, a large amount of mist drops are discharged from the atomizing disc 2.

Example 2

The precise atomizer with the structure shown in fig. 2 comprises an atomizing motor 1 and an atomizing disk 2 positioned above the atomizing motor 1, wherein the atomizing motor 1 adopts a centrifugal brushless direct current motor; a hollow rotating shaft 4 is arranged in a shell 3 of the atomizing motor 1, the diameter of the middle part of the rotating shaft 4 is larger than or equal to the diameter of two ends of the rotating shaft, the diameters of two ends of the rotating shaft 4 are not larger than the diameter of the middle part of the rotating shaft 4, the diameter of the middle part of the rotating shaft 4 is larger than the inner diameters of an upper shaft sleeve 101 and a lower peripheral sleeve 102, and the cross section of the rotating shaft 4 is shown as a 'NOT' shape in fig. 2, namely, a rotor shaft is directly omitted, so that the rotating shaft 4 has the functions of rotation and water passing; a cover 6 is fixedly arranged between the machine shell 3 and the atomizing disk 2, and the upper end of the rotating shaft 4 passes through the machine shell 3 and the cover 6 to be fixedly connected with the atomizing disk 2; the lower end of the rotating shaft 4 passes through the casing 3 to be communicated with a water inlet 5 arranged on the casing 3, the top end of the rotating shaft 4 is provided with a water outlet hole and is contained by the atomizing disk 2, namely, the water outlet hole is positioned in the atomizing disk 2, the water inlet 5 is a water inlet part, and no dust enters; the integral internal structure enables the water inlet 5 to be communicated with the atomizing disk 2 through the hollow cavity of the rotating shaft 4, so that a complete water flow channel is formed.

Also in this embodiment, a stator core 7 and a magnetic steel 8 provided in correspondence with the stator core 7 are provided in the atomizing motor 1. In addition, still be equipped with an antirust protective layer 9 that is used for keeping apart stator core 7 and magnet steel 8 in atomizing motor 1, antirust protective layer 9 can dismantle the interior circle setting of connecting on casing 3 and hugging closely stator core 7, and pivot 4, stator core 7, magnet steel 8 and antirust protective layer 9 all pass through antirust treatment moreover.

As shown in fig. 2, in this embodiment, the upper end of the rotating shaft 4 is hermetically connected with the casing 3 and the cover 6 through an upper shaft sleeve 101, and an upper oil seal 111 is also sleeved at the connection part between the upper shaft sleeve 101 and the upper end of the rotating shaft 4; or, from another angle, the upper end of the rotating shaft 4 is sleeved with an upper oil seal 111 and an upper shaft sleeve 101 in turn from bottom to top along the axial direction; the lower end of the rotating shaft 4 is in sealing connection with the shell 3 through a lower shaft sleeve 102, and a lower oil seal 112 is sleeved at the connecting part of the lower shaft sleeve 102 and the lower end of the rotating shaft 4; or, from another angle, the lower end of the rotating shaft 4 is sleeved with a lower oil seal 112 and a lower shaft sleeve 102 from top to bottom in sequence along the axial direction; in this embodiment, the gaps between the both ends of the rotation shaft 4 and the upper and

lower bushings

An upper oil seal spring 121 is arranged between the upper oil seal 111 and the middle part of the rotating shaft 4 along the axial direction of the rotating shaft 4, the upper oil seal spring 121 has a supporting function on the upper oil seal 111, so that the upper oil seal 111 is arranged close to the upper shaft sleeve 101, and the upper oil seal spring 121 props against the upper oil seal 111, so that the upper oil seal 111 is in sealing connection with the upper shaft sleeve 101; correspondingly, a lower oil seal spring 122 is arranged between the lower oil seal 112 and the middle part of the rotating shaft 4, and the lower oil seal spring 122 has a supporting effect on the lower oil seal 112, so that the lower oil seal 112 is arranged close to the lower shaft sleeve 101, and the lower oil seal spring 122 props against the lower oil seal 112, so that the lower oil seal 112 is in sealing connection with the lower shaft sleeve 102. As shown in fig. 2, the upper oil seal spring 121 is composed of a plurality of springs a, each of which surrounds the upper end of the rotation shaft 4 and is equally spaced on the circumference centered on the rotation shaft 4; meanwhile, the lower oil seal spring 122 is composed of a plurality of springs B, each of which surrounds the lower end of the rotation shaft 4 and is uniformly arranged at equal intervals on a circumference centered on the rotation shaft 4. The upper oil seal spring 211 and the lower oil seal spring 122 can play a certain buffering role in the high-speed rotation process of the rotating shaft 4, and respectively compress the upper oil seal 111 and the lower oil seal 112 to the upper shaft sleeve 101 and the connecting parts of the lower shaft sleeve 101 and the upper end and the lower end of the rotating shaft 4, so that good tightness is maintained at two ends of the rotating shaft 4.

Example 3

The precise atomizer with the structure shown in fig. 3 comprises an atomizing motor 1 and an atomizing disk 2 positioned above the atomizing motor 1, wherein the atomizing motor 1 adopts a centrifugal brushless direct current motor; a hollow rotating shaft 4 is arranged in a shell 3 of the atomizing motor 1, the diameter of the middle part of the rotating shaft 4 is larger than or equal to the diameter of two ends of the rotating shaft, the diameters of two ends of the rotating shaft 4 are not larger than the diameter of the middle part of the rotating shaft 4, the diameter of the middle part of the rotating shaft 4 is larger than the inner diameters of an upper shaft sleeve 101 and a lower peripheral sleeve 102, and the cross section of the rotating shaft 4 is shown as a 'NOT' shape in fig. 3, namely, a rotor shaft is directly omitted, so that the rotating shaft 4 has the functions of rotation and water passing; a cover 6 is fixedly arranged between the machine shell 3 and the atomizing disk 2, and the upper end of the rotating shaft 4 passes through the machine shell 3 and the cover 6 to be fixedly connected with the atomizing disk 2; the lower end of the rotating shaft 4 passes through the casing 3 to be communicated with a water inlet 5 arranged on the casing 3, the top end of the rotating shaft 4 is provided with a water outlet hole and is contained by the atomizing disk 2, namely, the water outlet hole is positioned in the atomizing disk 2, the water inlet 5 is a water inlet part, and no dust enters; the integral internal structure enables the water inlet 5 to be communicated with the atomizing disk 2 through the hollow cavity of the rotating shaft 4, so that a complete water flow channel is formed.

As shown in fig. 3, in this embodiment, the upper end of the rotating shaft 4 is hermetically connected with the casing 3 and the cover 6 through an upper shaft sleeve 101, and an upper oil seal 111 is also sleeved at the connection part between the upper shaft sleeve 101 and the upper end of the rotating shaft 4; or, from another angle, the upper end of the rotating shaft 4 is sleeved with an upper oil seal 111 and an upper shaft sleeve 101 in turn from bottom to top along the axial direction; the lower end of the rotating shaft 4 is in sealing connection with the shell 3 through a lower shaft sleeve 102, and a lower oil seal 112 is sleeved at the connecting part of the lower shaft sleeve 102 and the lower end of the rotating shaft 4; or, from another angle, the lower end of the rotating shaft 4 is sleeved with a lower oil seal 112 and a lower shaft sleeve 102 from top to bottom in sequence along the axial direction; in this embodiment, the gaps between the both ends of the rotation shaft 4 and the upper and

lower bushings

An upper oil seal spring 121 is arranged between the upper oil seal 111 and the middle part of the rotating shaft 4 along the axial direction of the rotating shaft 4, the upper oil seal spring 121 has a supporting function on the upper oil seal 111, so that the upper oil seal 111 is arranged close to the upper shaft sleeve 101, and the upper oil seal spring 121 props against the upper oil seal 111, so that the upper oil seal 111 is in sealing connection with the upper shaft sleeve 101; correspondingly, a lower oil seal spring 122 is arranged between the lower oil seal 112 and the middle part of the rotating shaft 4, and the lower oil seal spring 122 has a supporting effect on the lower oil seal 112, so that the lower oil seal 112 is arranged close to the lower shaft sleeve 101, and the lower oil seal spring 122 props against the lower oil seal 112, so that the lower oil seal 112 is in sealing connection with the lower shaft sleeve 102. As shown in fig. 3, the upper oil seal spring 121 is composed of a plurality of springs a, each of which surrounds the upper end of the rotation shaft 4 and is equally spaced on the circumference centered on the rotation shaft 4; meanwhile, the lower oil seal spring 122 is composed of a plurality of springs B, each of which surrounds the lower end of the rotation shaft 4 and is uniformly arranged at equal intervals on a circumference centered on the rotation shaft 4. The upper oil seal spring 211 and the lower oil seal spring 122 can play a certain buffering role in the high-speed rotation process of the rotating shaft 4, and respectively compress the upper oil seal 111 and the lower oil seal 112 to the upper shaft sleeve 101 and the connecting parts of the lower shaft sleeve 101 and the upper end and the lower end of the rotating shaft 4, so that good tightness is maintained at two ends of the rotating shaft 4.

In this embodiment, as shown in fig. 3, the cover 6 may be fixedly mounted on the upper end surface of the casing 3 by bolts, and the diameter of the cover 6 is larger than that of the upper end surface of the casing 3, so that the lower end edge of the atomizing disk 2 is lower than the highest surface of the cover, so that the cover 6 can completely cover the upper end surface of the casing 3, and further water and dust are prevented from entering the motor. The lower end face of the atomizing disc 2 and the upper end face of the cover are sleeved in a labyrinth mode, specifically, as shown in the structure of fig. 3, an upper sealing block 15 consisting of at least one annular bulge (edge) is radially arranged on the lower end face of the atomizing disc 2 from outside to inside, a lower sealing block 14 consisting of at least one annular bulge (edge) is radially arranged on the upper end face of the cover 6 from outside to inside, preferably the lower sealing block 14 is detachably fixed on the upper end face of the cover 6, and the edge of the lower sealing block 14 is embedded in the edge position of the cover 6 in a downward extending mode; the upper sealing block 15 and the lower sealing block 14 are arranged in a nested manner and are not in direct contact with each other. In the atomization process, the upper sealing block 15 rotates along with the atomizing disk 2, the lower sealing block 14 is fixed on the cover 6, and under the condition that the rotation of the upper sealing block 15 is not affected, the gap between the upper sealing block 15 and the lower sealing block 14 is smaller, so that water and dust are prevented from entering the inside of the atomizing motor 1 from the gap between the cover 6 and the atomizing disk 2.

As a preferable technical solution of this embodiment, as shown in fig. 3, a cooling hole 13 is formed on the rotating shaft 4 of the portion that is included and sealed by the upper shaft sleeve 101 and/or the lower shaft sleeve 102, the liquid to be atomized flows through the cooling hole 13 in the hollow cavity of the rotating shaft 4 to reach the atomizing disk 2 and is atomized, and a small amount of liquid to be atomized enters the connecting portion between the upper shaft sleeve 101 and the rotating shaft 4 through the cooling hole, so as to reduce the temperature of the rotating shaft 4 and lubricate the rotating shaft 4, play a role in timely cooling for the atomizer running for a long time, and prolong the service life of the atomizer.

In this embodiment, the top end of the rotating shaft 4 is closed, and the water outlet hole is formed on the side wall (not shown in fig. 3) of the top end of the rotating shaft 4, so that water is dispersed along the centrifugal direction of the atomizing disk 2 from the water outlet hole after passing through the hollow cavity of the rotating shaft 4. In addition, as shown in fig. 3, an atomizing hole 16 is formed on the edge of the atomizing disk 2, and after the water outlet is dispersed along the centrifugal direction of the atomizing disk 2, part of the atomized water droplets are dispersed through the atomizing hole 16, so that the atomizing effect of the atomizer 1 is further improved.

In addition, the rotating shaft 4, the upper shaft sleeve 101 and the lower shaft sleeve 102 in the example are all made of ceramic materials with high strength, so that the energy consumption of the motor can be effectively reduced in the running process of the precise atomizer, and the service life of the motor is prolonged; and the atomizing disk 2 is made of a metal material which can help to dissipate heat and prolong the service life of the atomizer, and is preferably made of an aluminum alloy material or a stainless steel material, and the aluminum alloy material is subjected to oxidation treatment.

After the atomizing motor 1 of the embodiment is electrified, the precise atomizer is electrified to operate, the stator iron core 7 drives the magnetic steel 8 to rotate, the magnetic steel 8 rotates together with the rotating shaft 4, and the rotating shaft 4 drives the atomizing disk 2 and the upper sealing block 15 on the lower end face of the atomizing disk to rotate rapidly; meanwhile, water to be atomized enters the hollow cavity of the rotating shaft 4 from the water inlet 5, then flows through the cooling hole 13 and is sprayed out from the water outlet at the upper end of the rotating shaft 4 to finish atomization, and a small amount of water to be atomized enters the connecting part between the shaft sleeve and the rotating shaft 4 through the cooling hole 13 to cool the upper shaft sleeve, the lower shaft sleeve and the rotating shaft 4 and lubricate the rotating shaft 4, and finally, a large amount of mist drops are discharged from the atomizing disc 2 and the atomizing hole 16.

The precise atomizer provided by the invention can be widely applied to atomization cooling equipment and air-conditioning energy-saving equipment, such as various large, medium and small floor and wall-mounted air conditioners, air conditioning units or air-cooled refrigerators and the like; the precise atomizer has the advantages of convenient installation and use, good atomization effect, safety, energy conservation, environmental protection, high comprehensive cost performance, wide application range and the like, so that the precise atomizer has wide application prospect and good market potential.

The above description of the specific embodiments of the present invention has been given by way of example only, and the present invention is not limited to the above described specific embodiments. Any equivalent modifications and substitutions for the present invention will occur to those skilled in the art, and are also within the scope of the present invention. Accordingly, equivalent changes and modifications are intended to be included within the scope of the present invention without departing from the spirit and scope thereof.

Claims

1. The precise atomizer comprises an atomizing motor (1), namely a centrifugal brushless direct current motor and an atomizing disk (2), and is characterized in that a hollow rotating shaft (4) is arranged in a shell (3) of the atomizing motor (1), the diameter of the middle part of the rotating shaft (4) is larger than or equal to that of two ends of the rotating shaft, and the cross section of the rotating shaft (4) is in a shape like a Chinese character 'NOT', so that a rotor shaft is directly omitted, and the rotating shaft (4) has the functions of rotating and water passing; a cover (6) is fixedly arranged between the shell (3) and the atomizing disk (2), and the upper end of the rotating shaft (4) penetrates through the shell (3) and the cover (6) to be fixedly connected with the atomizing disk (2); the lower end of the rotating shaft (4) is contained by the casing (3) and is communicated with a water inlet (5) arranged on the casing (3), and a water outlet hole is formed in the top end of the rotating shaft (4) and is contained by the atomizing disk (2), so that the water inlet (5) is communicated with the atomizing disk (2) through a hollow cavity of the rotating shaft (4); a stator core (7) and magnetic steel (8) which is arranged corresponding to the stator core (7) are arranged in the atomizing motor (1), and the magnetic steel (8) is fixedly connected with the rotating shaft (4); an upper shaft sleeve (101) is arranged at the upper end of the shell (3) or at the central part of the shell cover (6), a lower shaft sleeve (102) is arranged at the lower end of the shell (3) or at the central part of the water inlet, the upper end of the rotating shaft (4) penetrates through the upper shaft sleeve (101) to be connected with the atomizing disk (2), and the lower end of the rotating shaft (4) is contained by the lower shaft sleeve (102) and is communicated with the water inlet (5); a cooling hole (13) is formed in the rotating shaft (4) of which the upper shaft sleeve (101) comprises a connecting part, liquid to be atomized flows through the cooling hole (13) in a hollow cavity of the rotating shaft (4) to reach the atomizing disc (2) and be atomized, and the liquid to be atomized enters a connecting part between the upper shaft sleeve (101) and the rotating shaft (4) through the cooling hole (13), and the cooling hole is used for cooling and lubricating the rotating shaft, so that the working efficiency of the rotating shaft is higher and the service life of the rotating shaft is longer; an upper oil seal (111) is sleeved at the connecting part of the upper shaft sleeve (101) and the upper end of the rotating shaft (4); an oil seal spring (121) is arranged on one side of the upper oil seal (111), and the upper oil seal (111) is hermetically connected with the upper shaft sleeve (101) through the oil seal spring (121).

2. The precise atomizer according to claim 1, wherein an anti-rust protection layer (9) for isolating the stator core (7) and the magnetic steel (8) is further disposed in the atomizing motor (1), and the anti-rust protection layer (9) is detachably connected to the casing (3) and is closely attached to an inner circle of the stator core (7).

3. The precise atomizer according to claim 2, wherein a lower oil seal (112) is further sleeved at the connection portion between the lower shaft sleeve (102) and the lower end of the rotating shaft (4).

4. A precision atomizer according to claim 3, characterized in that an oil seal spring (122) is provided on one side of the lower oil seal (112), the oil seal spring (122) hermetically connecting the lower oil seal (111) with the lower bushing (102).

5. The precise atomizer according to claim 1, wherein the cover (6) is fixedly mounted on an upper end surface of the housing (3), a lower end edge of the atomizing disk (2) is lower than a highest surface of the cover (6), one or more edges are radially arranged on the upper end surface of the housing (3) or the cover (6) from outside to inside, one or more edges are radially arranged on the lower end surface of the atomizing disk (2) from outside to inside, and the edges of the atomizing disk (2) and the edges of the housing (3) or the cover (6) are sleeved in a labyrinth mode and are not in direct contact with each other.

6. The precise atomizer according to claim 1, characterized in that the water outlet is provided on a side wall of the top end of the rotating shaft (4).

7. A precision atomizer according to claim 1, characterized in that the atomizing disk (2) is of metallic material.