阅读说明：本技术 一种超声波雾化芯及超声波雾化器 (Ultrasonic atomization core and ultrasonic atomizer ) 是由 刘建福 钟科军 郭小义 黄炜 尹新强 易建华 周永权 于 2018-07-06 设计创作，主要内容包括：本发明公开了一种超声波雾化芯及超声波雾化器,包括雾化套,雾化套内设有超声雾化片及连通外界及超声雾化片雾化面的导油棉,其特征在于,所述超声雾化片为球面状,所述导油棉具有球面部,导油棉的球面部的曲率大于或等于球面状超声雾化片的曲率,导油棉球面部的凸面与超声雾化片的凹面相接触；导油棉球面部的中心轴与超声雾化片的中心轴共线。本发明中的超声雾化片导液速度快,不易将导油棉烧穿或干烧,雾化效果好,导油棉和超声雾化片的使用寿命长；超声雾化片能有效地积聚能量雾化产烟,需要的工作功率较低,电源续航能力强；组装时超声雾化片受力均匀,不易破裂。(The invention discloses an ultrasonic atomization core and an ultrasonic atomizer, which comprise an atomization sleeve, wherein an ultrasonic atomization sheet and oil guide cotton communicated with the outside and the atomization surface of the ultrasonic atomization sheet are arranged in the atomization sleeve; the central axis of the oil guide cotton ball surface part is collinear with the central axis of the ultrasonic atomization piece. The ultrasonic atomization sheet has the advantages of high liquid guiding speed, difficulty in burning through or dry burning of the oil guide cotton, good atomization effect and long service life of the oil guide cotton and the ultrasonic atomization sheet; the ultrasonic atomization sheet can effectively accumulate energy to atomize and produce smoke, the required working power is low, and the endurance capacity of a power supply is strong; the ultrasonic atomization piece is evenly stressed and is not easy to break when being assembled.)

1. The utility model provides an ultrasonic atomization core, is equipped with ultrasonic atomization piece (2) and communicates external world and ultrasonic atomization piece (2) atomizing surface including atomizing cover (1) in atomizing cover (1) and leads oily cotton (3), its characterized in that, ultrasonic atomization piece (2) are the sphere form, it has sphere portion (301) to lead oily cotton (3), leads the camber of sphere portion (301) of oily cotton (3) to be greater than or equal to the camber of sphere form ultrasonic atomization piece (2), leads the convex surface of oily cotton (3) sphere portion (301) and the concave surface of ultrasonic atomization piece (2) contacts.

2. An ultrasonic atomizing core as set forth in claim 1, characterized in that the center axis of the spherical portion (301) of the oil guide cotton (3) is collinear with the center axis of the ultrasonic atomizing plate (2).

3. The ultrasonic atomizing core according to claim 1, further comprising an inner sleeve (4) sleeved in the atomizing sleeve (1), wherein the oil guide cotton (3) further comprises a cylindrical portion (302), the cylindrical portion (302) is connected with the spherical portion (301) to form a cup-shaped structure, the cylindrical portion (302) is clamped between the atomizing sleeve (1) and the inner sleeve (4), and the atomizing sleeve (1) is provided with a through hole (101) communicating the cylindrical portion (302) with the outside.

4. An ultrasonic atomizing core according to claim 3, characterized in that it further comprises a pressing cotton structure (5), one end of the pressing cotton structure (5) is abutted against the inner sleeve (4), and the other end of the pressing cotton structure (5) is abutted against the concave surface of the spherical surface portion (301) of the oil guide cotton (3).

5. An ultrasonic atomizing core according to claim 4, characterized in that the cotton pressing structure (5) comprises a circular ring part (501) and at least three first elastic strands (502), the fixed end of the first elastic strand (502) is connected with the circular ring part (501), the free end of the first elastic strand (502) is abutted with the spherical surface part (301) of the oil guide cotton (3), and the circular ring part (501) is abutted with the inner sleeve (4).

6. The ultrasonic atomizing core according to claim 5, wherein each first elastic strand (502) is uniformly arranged along the circumference of the circular ring portion (501), and the free end of the first elastic strand (502) is arc-shaped and is attached to the concave surface of the spherical surface portion (301) of the oil guide cotton (3).

7. An ultrasonic atomizer comprising a housing (6), characterized in that an ultrasonic atomizing core according to any one of claims 1 to 6 is provided in the housing (6).

8. An ultrasonic nebulizer as claimed in claim 7, characterised in that the housing (6) is provided with a resilient electrode (7) which abuts the convex surface of the ultrasonic atomizing plate (2).

9. An ultrasonic nebulizer as claimed in claim 8, characterised in that the resilient electrode (7) comprises a cylindrical portion (701) and at least three second prongs (702), the fixed end of the second prong (702) being connected to the cylindrical portion (701), and the free end of the second prong (702) abutting the convex surface of the ultrasonic atomizing plate (2).

10. An ultrasonic atomizer according to claim 9, wherein the second strands (702) are uniformly arranged on the end face of the cylindrical portion (701), and the free ends of the second strands (702) are arcuate and abut the convex surface of the ultrasonic atomizing plate (2).

Technical Field

The invention particularly relates to an ultrasonic atomization core and an ultrasonic atomizer.

Background

The existing ultrasonic atomization core comprises an atomization sleeve, an ultrasonic atomization sheet and an oil guide cotton communicated with the outside and the atomization surface of the ultrasonic atomization sheet are arranged in the atomization sleeve, and when the ultrasonic atomization core works, the oil guide cotton guides external liquid smoke-producing substances to the ultrasonic atomization sheet for atomization to produce smoke.

The existing ultrasonic atomization sheet is generally planar, the temperature of the center of the ultrasonic atomization sheet is high, so that oil guide cotton contacting with the ultrasonic atomization sheet is easy to burn through holes and dry burn, the atomization effect is influenced, and the service life of the oil guide cotton and the service life of the ultrasonic atomization sheet are short. Meanwhile, the planar ultrasonic atomization sheet has no energy accumulation effect, needs larger working power and has low power supply endurance. In addition, when the atomizing core is installed in the atomizer shell, the columnar elastic electrode of the atomizer is directly abutted to the central position of the ultrasonic atomizing sheet, and the ultrasonic atomizing sheet is ejected and cracked by slight force during assembly.

Disclosure of Invention

The existing ultrasonic atomization sheet is generally planar, the temperature of the center of the ultrasonic atomization sheet is high, so that oil guide cotton contacting with the ultrasonic atomization sheet is easy to burn through holes and dry burn, the atomization effect is influenced, and the service life of the oil guide cotton and the service life of the ultrasonic atomization sheet are short. Meanwhile, the planar ultrasonic atomization sheet has no energy accumulation effect, needs larger working power and has low power supply endurance. In addition, when the atomizing core is installed in the atomizer shell, the columnar elastic electrode of the atomizer is directly abutted to the central position of the ultrasonic atomizing sheet, and the ultrasonic atomizing sheet is ejected and cracked by slight force during assembly. The invention aims to provide an ultrasonic atomization core and an ultrasonic atomizer aiming at the defects of the prior art, the ultrasonic atomization sheet has high liquid guiding speed, oil guide cotton is not easy to burn through or dry burn, the atomization effect is good, and the oil guide cotton and the ultrasonic atomization sheet have long service life; the ultrasonic atomization sheet can effectively accumulate energy to atomize and produce smoke, the required working power is low, and the endurance capacity of a power supply is strong; the ultrasonic atomization piece is evenly stressed and is not easy to break when being assembled.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the utility model provides an ultrasonic atomization core, includes the atomizing cover, is equipped with the oil of leading of ultrasonic atomization piece and intercommunication external and ultrasonic atomization piece atomizing surface in the atomizing cover cotton, and its structural feature is the ultrasonic atomization piece is the sphere form, it has the sphere portion to lead the oil cotton, leads the curvature that the sphere portion of oil cotton's sphere is greater than or equal to the curvature of sphere form ultrasonic atomization piece, leads the convex surface of oil cotton sphere portion and the concave surface of ultrasonic atomization piece and contacts.

Borrow by above-mentioned structure, because ultrasonic atomization piece is the sphere form, lead the oil cotton and have the sphere portion that contacts with ultrasonic atomization piece concave surface, therefore lead the oil cotton and make the drain velocity faster through self spherical curvature on the sphere contact surface, liquid smoke substance flows to the central point of ultrasonic atomization piece relatively fast, thereby the higher ultrasonic atomization piece central point of temperature puts and can in time supply liquid, can reduce the temperature of ultrasonic atomization piece central point, prevent that ultrasonic atomization piece central point from putting the temperature too high and burning through the oil cotton of leading of this department, the ultrasonic atomization piece also can not dry combustion and stop work, atomization effect is good, lead oil cotton and ultrasonic atomization piece long service life. Meanwhile, the contact area between the oil guide cotton and the ultrasonic atomization sheet in spherical contact is larger, the amount of smoke generated by atomization is more, the amount of smoke is guaranteed, the requirements of users on smoke are met, and the user experience is improved. In addition, because the spherical ultrasonic atomization plate has the function of focusing energy, the required working power is lower, and the power supply has strong cruising ability.

Because the ultrasonic atomization piece is spherical, the oil guide cotton is provided with a spherical surface part which is contacted with the concave surface of the ultrasonic atomization piece, when the ultrasonic atomization piece works, the ultrasonic atomization piece generates high-frequency oscillation to enable the liquid smoke-producing substance to scatter and splash to the edge of the concave surface on the concave surface of the ultrasonic atomization piece, so that a plurality of liquid drops can be accumulated on the concave surface, the liquid drops can easily flow back to the concave surface again to participate in atomization, the liquid smoke-producing substance is saved, and the use cost is reduced.

The curvature of the spherical surface part of the oil guide cotton can be larger than or equal to that of the spherical ultrasonic atomization sheet. When the curvature of the spherical surface part of the oil guide cotton is equal to that of the spherical ultrasonic atomization sheet, the liquid guide speed of the liquid smoke generating substance on the spherical contact surface is high. When the curvature of the spherical surface part of the oil guide cotton is larger than that of the spherical ultrasonic atomization sheet, a part of liquid smoke-producing substance is retained in a gap between the spherical surface part of the oil guide cotton and the atomization surface of the ultrasonic atomization sheet, once the liquid smoke-producing substance is supplemented, the liquid smoke-producing substance can flow to the center of the ultrasonic atomization sheet more quickly through the gap, and the liquid guide and atomization effects are better.

Preferably, the central axis of the oil-guiding cotton ball surface part is collinear with the central axis of the ultrasonic atomization sheet.

The oil guide cotton further comprises a cylindrical part, the cylindrical part is connected with the spherical part to form a cup-shaped structure, the cylindrical part is clamped between the atomizing sleeve and the inner sleeve, and the atomizing sleeve is provided with a through hole for communicating the cylindrical part with the outside.

Furthermore, the oil guide cotton ball further comprises a cotton pressing structure, one end of the cotton pressing structure is abutted with the inner sleeve, and the other end of the cotton pressing structure is abutted with the concave surface of the oil guide cotton ball face.

The cotton structure of pressing can guarantee to lead the cotton reliable contact of oil cotton and atomizing face.

Preferably, the cotton pressing structure comprises a circular ring part and at least three first elastic strands, fixed ends of the first elastic strands are connected with the circular ring part, free ends of the first elastic strands are abutted with the surface part of the oil guide cotton ball, and the circular ring part is abutted with the inner sleeve.

As a preferred mode, each first bullet strand is evenly set up along ring portion periphery, and the free end of first bullet strand is circular-arc and laminates with leading the facial concave surface of oil cotton ball mutually to it is even to lead oil cotton atress.

Based on the same inventive concept, the invention also provides an ultrasonic atomizer which comprises a shell, wherein the ultrasonic atomizing core is arranged in the shell.

Furthermore, the shell is provided with an elastic electrode which is abutted with the convex surface of the ultrasonic atomization sheet.

Preferably, the elastic electrode comprises a cylindrical portion and at least three second elastic strands, fixed ends of the second elastic strands are connected with the cylindrical portion, and free ends of the second elastic strands are abutted to the convex surface of the ultrasonic atomization sheet.

The elastic electrode with the structure can ensure that the stress on the periphery of the ultrasonic atomization sheet is uniform, prevent the ultrasonic atomization sheet from being broken due to the stress in a single direction, and is convenient to assemble.

As a preferred mode, each second bullet strand is evenly set up at cylinder portion terminal surface, and the free end of second bullet strand is circular-arc and laminates with ultrasonic atomization piece convex surface mutually.

Compared with the prior art, the ultrasonic atomization sheet has the advantages of high liquid guiding speed, good atomization effect and long service life, and oil guide cotton is not easy to burn through or dry burn; the ultrasonic atomization sheet can effectively accumulate energy to atomize and produce smoke, the required working power is low, and the endurance capacity of a power supply is strong; the ultrasonic atomization piece is evenly stressed and is not easy to break when being assembled.

Drawings

FIG. 1 is a schematic diagram of an embodiment of an ultrasonic atomizing core.

Fig. 2 is a structural diagram of a cotton pressing structure.

FIG. 3 is a schematic view showing the direction of smoke on the oil guiding cotton.

Fig. 4 is a schematic view of the smoke direction of the ultrasonic atomization core.

FIG. 5 is a schematic diagram of an embodiment of an ultrasonic atomizer.

Fig. 6 is an exploded view of the upper portion of fig. 5.

Fig. 7 is an exploded view of the lower portion of fig. 5.

FIG. 8 is a view showing the structure of an elastic electrode.

FIG. 9 is a diagram showing the positional relationship between the ultrasonic atomization sheet and the elastic electrode.

Wherein, 1 is the atomizing cover, 101 is the through-hole, 2 is the ultrasonic atomization piece, 3 is leading the oil cotton, 301 is the bulb portion, 302 is the cylindric portion, 4 is interior sleeve pipe, 5 is pressing the cotton structure, 501 is the ring portion, 502 is first bullet strand, 6 is the shell, 601 is the top cap, 602 is the base, 603 is the bottom, 7 is the elastic electrode, 701 is the cylinder portion, 702 is the second bullet strand, 8 is the adapter sleeve, 9 is the suction nozzle, 901 is the inlet port, 902 is the oil filler point, 10 is the oil sump, 1001 is for crossing the oilhole, 11 is the sealed pad, 12 is the silica gel seat, 13 is the electrode ring, 14 is the trachea, 15 is the air outlet channel, 16 is the protection piece.

Detailed Description

As shown in fig. 1 to 4, the ultrasonic atomization core includes the atomization cover 1, and the atomization cover 1 is equipped with the oil guide cotton 3 that the ultrasonic atomization piece 2 reaches the external world of intercommunication and the 2 atomizing surfaces of ultrasonic atomization piece in the atomization cover 1, ultrasonic atomization piece 2 is the sphere form, oil guide cotton 3 has sphere portion 301, and the curvature of oil guide cotton 3's sphere portion 301 is greater than or equal to the curvature of sphere form ultrasonic atomization piece 2, and the convex surface of oil guide cotton 3 sphere portion 301 contacts with the concave surface of ultrasonic atomization piece 2. The central axis of the spherical part 301 of the oil guide cotton 3 is collinear with the central axis of the ultrasonic atomization sheet 2.

Because the ultrasonic atomization sheet 2 is spherical, when the ultrasonic atomization sheet 2 works, liquid smoke-producing substances subjected to ultrasonic atomization splash everywhere, when splashed liquid drops accumulate on the spherical surface of the ultrasonic atomization sheet 2, the liquid drops can slide to the central position of the ultrasonic atomization sheet 2 along with the spherical surface, and are recovered and atomized; the oil guide cotton 3 is provided with the spherical part 301 which is contacted with the concave surface of the ultrasonic atomization sheet 2, when the ultrasonic atomization sheet 2 works, splashed liquid drops are directly absorbed by the spherical part 301, so that more liquid smoke-producing substances on the spherical contact surface of the oil guide cotton 3 and the liquid smoke-producing substances are under the action of gravity generated by spherical curvature, the liquid guide speed is higher, the liquid smoke-producing substances flow to the central position of the ultrasonic atomization sheet 2 quickly, therefore, the central position of the ultrasonic atomization sheet 2 with higher temperature can supplement liquid in time, the temperature of the central position of the ultrasonic atomization sheet 2 can be reduced, the oil guide cotton 3 is prevented from being burnt through due to overhigh temperature of the central position of the ultrasonic atomization sheet 2, the ultrasonic atomization sheet 2 cannot be burnt, the working continuity is good, the atomization effect is good, and the oil guide cotton 3 and the ultrasonic atomization sheet 2 have long service life. Meanwhile, the contact area between the oil guide cotton 3 and the ultrasonic atomization sheet 2 in spherical contact is larger, the amount of smoke generated by atomization is larger, and the atomization direction of the smoke is as shown in fig. 2. In addition, because the spherical ultrasonic atomization sheet 2 has the function of focusing energy, the required working power is lower, and the power supply has strong cruising ability.

The curvature of the spherical part 301 of the oil cotton 3 may be greater than or equal to the curvature of the spherical ultrasonic atomization sheet 2. When the curvature of the spherical surface part 301 of the oil cotton guiding 3 is equal to that of the spherical ultrasonic atomization sheet 2, the liquid guiding speed of the liquid smoke generating substance on the spherical contact surface is high. As shown in fig. 3, when the curvature of the spherical portion 301 of the oil cotton 3 is greater than the curvature of the spherical ultrasonic atomization sheet 2, a part of the liquid smoke substance is retained in the gap between the spherical portion 301 of the oil cotton 3 and the atomization surface of the ultrasonic atomization sheet 2, so that the liquid smoke substance can flow to the center of the ultrasonic atomization sheet 2 more quickly, and the liquid guiding and atomization effects are better.

The ultrasonic atomization core further comprises an inner sleeve 4 sleeved in the atomization sleeve 1, the oil guide cotton 3 further comprises a cylindrical portion 302, the cylindrical portion 302 is connected with the spherical portion 301 to form a cup-shaped structure, the cylindrical portion 302 is clamped between the atomization sleeve 1 and the inner sleeve 4, and a through hole 101 communicating the cylindrical portion 302 with the outside is formed in the atomization sleeve 1.

The ultrasonic atomization core further comprises a cotton pressing structure 5, one end of the cotton pressing structure 5 is abutted to the inner sleeve 4, and the other end of the cotton pressing structure 5 is abutted to the concave surface of the spherical surface portion 301 of the oil guide cotton 3. The cotton pressing structure 5 can ensure that the oil guide cotton 3 is reliably contacted with the atomization surface.

The cotton pressing structure 5 comprises a circular ring part 501 and four first elastic strands 502, the fixed ends of the first elastic strands 502 are connected with the circular ring part 501, and the free ends of the first elastic strands 502 are abutted to the spherical surface part 301 of the oil guide cotton 3. Each first elastic strand 502 is evenly arranged along the circumference of the ring part 501, the free end of the first elastic strand 502 is arc-shaped and is attached to the concave surface of the spherical surface part 301 of the oil cotton guide 3, and the ring part 501 is abutted to the inner sleeve 4, so that the oil cotton guide 3 is evenly stressed.

As shown in fig. 5 to 9, the ultrasonic atomizer includes a housing 6, and the ultrasonic atomizing core is disposed in the housing 6.

And the shell 6 is provided with an elastic electrode 7 which is abutted with the convex surface of the ultrasonic atomization sheet 2.

The elastic electrode 7 comprises a cylindrical part 701 and four second elastic strands 702, the fixed ends of the second elastic strands 702 are connected with the cylindrical part 701, and the free ends of the second elastic strands 702 are abutted with the convex surface of the ultrasonic atomization sheet 2. Each second elastic strand 702 is uniformly arranged on the end face of the cylindrical part 701, and the free end of the second elastic strand 702 is arc-shaped and is attached to the convex surface of the ultrasonic atomization sheet 2. The elastic electrode 7 with the structure can ensure that the stress on the periphery of the ultrasonic atomization sheet 2 is uniform, prevent the ultrasonic atomization sheet 2 from being broken due to the stress in a single direction, and is convenient to assemble.

The housing 6 includes a top cover 601, a base 602, and a bottom cover 603, which are connected in sequence.

The atomizing core is connected with the top cover 601 through a connecting sleeve 8 and is arranged in the top cover 601.

The top of the top cover 601 is provided with a rotatable suction nozzle 9. The suction nozzle 9 is provided with an air inlet 901 and an oil filling hole 902.

The top cover 601 is internally provided with an oil bin 10. The through hole 101 communicates the cylindrical portion 302302 with the sump 10. The rotary suction nozzle 9 can align or misalign the oil filling hole 902 and the oil passing hole 1001 of the oil bin 10, thereby opening or closing the oil bin 10 for oil filling.

A sealing gasket 11 is arranged between the oil bin 10 and the suction nozzle 9.

The ultrasonic atomization plate 2 is fixedly arranged in the bottom cover 603 through a silica gel seat 12.

The elastic electrode 7 is disposed at the bottom of the bottom cover 603. An electrode ring 13 is also provided on the bottom cover 603. A protective sheet 16 is provided in the bottom cover 603.

An air pipe 14 is arranged in the shell 6, one end of the air pipe 14 is connected with the suction nozzle 9 and is communicated with the air inlet hole 901, and the other end of the air pipe 14 extends into the inner sleeve 4 and is opposite to the concave surface of the spherical surface part 301 of the oil cotton guide 3. The air inlet 901, the air pipe 14, the concave surface of the spherical surface part 301 of the oil guide cotton 3, the air outlet channel 15 and the suction nozzle 9 are communicated in sequence.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.