WO2022120579A1 - 雾化单元及雾化装置 - Google Patents

雾化单元及雾化装置 Download PDF

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Publication number
WO2022120579A1
WO2022120579A1 PCT/CN2020/134576 CN2020134576W WO2022120579A1 WO 2022120579 A1 WO2022120579 A1 WO 2022120579A1 CN 2020134576 W CN2020134576 W CN 2020134576W WO 2022120579 A1 WO2022120579 A1 WO 2022120579A1
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WO
WIPO (PCT)
Prior art keywords
hole
supporting
liquid
atomizing unit
central
Prior art date
Application number
PCT/CN2020/134576
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English (en)
French (fr)
Inventor
汪小蝶
Original Assignee
深圳市华诚达发展有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 深圳市华诚达发展有限公司 filed Critical 深圳市华诚达发展有限公司
Priority to PCT/CN2020/134576 priority Critical patent/WO2022120579A1/zh
Publication of WO2022120579A1 publication Critical patent/WO2022120579A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10—Devices using liquid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F47/00—Smokers' requisites not otherwise provided for

Definitions

  • the invention relates to the technical field of atomization, in particular to an atomization unit and an atomization device.
  • Heating atomization can disperse the liquid into smaller particles, making the liquid molecules more dispersed in space. It is widely used in medical, agriculture, home appliances, consumer electronics and other industries, and the heating atomization field is easy to achieve because of its ease of implementation. Most liquids can be atomized and have been widely used in recent years. As the heating body of the core components of heating atomization, innovation is particularly important.
  • the most widely used heating bodies in the field of heating atomization are mainly divided into two types: one is a spiral heating body formed by a heating wire spiral, and the other is a mesh heating body.
  • the mesh heating body is assembled with the liquid-conducting cotton, it is mostly assembled on the inner ring of the liquid-conducting cotton, and it is fitted with it to realize the liquid-conducting heating.
  • the hollowing out forms a circuitous heating circuit, resulting in a relatively small link point of the sheet heating body;
  • the circuitous heating circuit causes the frame to be uneven and without support.
  • the strength of the product is weak, and it is easy to cause poor deformation during transportation and assembly, which is not conducive to mass production;
  • the thickness of the heating sheet is limited by the strength and cannot be made thin, resulting in a large cross-sectional area of the conductor when energized and slow heat startup.
  • the technical problem to be solved by the present invention is to provide an atomizing unit and an atomizing device having the atomizing unit which can improve the support strength of the mesh heating body and the degree of fit with the liquid-conducting cotton.
  • the technical solution adopted by the present invention to solve the technical problem is: to provide an atomizing unit, which includes a net-shaped U-shaped heating sheet, a support fixing seat with a central through hole, a liquid-conducting cotton and a side seal;
  • the supporting and fixing base comprises a base and a supporting cylinder arranged on the base, the central through hole penetrates the supporting cylinder and the base; the side surface of the supporting cylinder is provided with a U-shaped notch;
  • the U-shaped heating sheet is arranged in the notch and abuts on the base; the liquid-conducting cotton is wrapped on the outer side of the U-shaped heating sheet away from the central through hole;
  • the side seal is fitted in the notch, and the liquid-conducting cotton is fixed between the side seal and the U-shaped heating piece; at least one connection to the liquid-conducting cotton is arranged on the side seal. the drain hole.
  • the U-shaped heating sheet comprises a U-shaped mesh heating sheet, and electrode connecting parts respectively connected to opposite ends of the mesh heating sheet;
  • the upper and lower sides of the mesh heating sheet are respectively provided with a number of protruding support and limit ribs, the support and limit ribs on the upper side face the inner top surface of the notch, and the support limit ribs on the lower side face the inner top surface of the notch.
  • the rib faces the surface of the base.
  • the upper and lower sides of the notch are respectively provided with limit bosses; the support limit ribs on the upper and lower sides of the mesh heating sheet are respectively abutted or embedded in the corresponding limit bosses.
  • the mesh heating sheet is formed by interlaced connection of a plurality of transverse heating ribs and a plurality of vertical support ribs; the two electrode connecting parts are respectively connected to opposite ends of the transverse heating ribs;
  • the transverse heating rib is in the shape of a straight line, a broken line or a wavy line.
  • the atomizing unit further includes two electrode pins;
  • the two electrode pins are inserted into the support and fixed seat and are respectively contacted and electrically connected with the two electrode connection parts of the U-shaped heating sheet.
  • the atomizing unit further comprises a supporting air guide member disposed in the central through hole;
  • the first end of the support air guide is located in the support cylinder, and the opposite second end is located in the base; the support air guide is provided with an air guide through hole, and the air guide through hole penetrates through the base.
  • the side wall and the second end of the supporting air guide are formed with an air guide outlet and an air guide inlet respectively on the side wall and the second end; the central through hole is connected with the air guide through hole through the air guide outlet Pass.
  • the second end of the supporting air guide is adapted to be arranged with the port of the central through hole on the base.
  • the present invention also provides an atomizing device, comprising the atomizing unit described in any one of the above.
  • the atomizing device further comprises a cylindrical shell and a bottom shell;
  • the casing is provided with an air duct and a liquid storage tank surrounding the outer periphery of the air duct; the first end of the casing is provided with an air outlet communicating with the air duct, and the second end of the casing is open; the a bottom case is fitted over the second end of the outer shell to close it;
  • the atomizing unit is arranged in the second end of the casing; the central through hole on the atomizing unit is in relative communication with the air duct, and the liquid guiding hole on the atomizing unit is connected with the liquid storage tank connected.
  • the bottom case is provided with holes for exposing electrode pins of the atomizing unit.
  • the atomizing device further comprises a sealing seat disposed in the casing and covering the atomizing unit;
  • An end of the sealing seat facing the air duct is provided with a channel hole which is in communication with the central through hole, and the end of the air duct is inserted into the channel hole and communicates with the center through the channel hole through hole;
  • the side wall of the sealing seat is provided with a side wall through hole which is in communication with the liquid guide hole, and the liquid storage tank is communicated with the liquid guide hole through the side wall through hole.
  • the heating body is a net-shaped U-shaped structure, which is supported and fixed on the support and fixed seat in a lateral assembly manner, and the liquid-conducting cotton and the heating body are fixed on the support and fixed seat through the side seals, Sufficient support strength is formed for the net-shaped heating body to ensure its full contact with the liquid-conducting cotton and avoid being squeezed and deformed by the liquid-conducting cotton; in addition, it is also conducive to the thinning of the heating body and expands its material selection range.
  • FIG. 1 is a schematic cross-sectional structure diagram of an atomizing device according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of an exploded structure of an atomizing device according to an embodiment of the present invention.
  • Fig. 3 is the exploded view of atomization unit in Fig. 2;
  • Fig. 4 is a schematic diagram of the assembly process of the support holder and the U-shaped heating sheet in Fig. 3;
  • FIG. 5 are schematic structural diagrams of three embodiments of U-shaped heating sheets, respectively.
  • an atomizing device includes a casing 1 , a bottom casing 2 and an atomizing unit 3 .
  • the housing 1 is a hollow cylindrical structure and may include opposite first and second ends.
  • the casing 1 is provided with an isolated air conduit 101 and a liquid storage tank 102.
  • the air conduit 101 is located in the middle of the casing 1 and extends along the length of the casing 1.
  • the inner channel of the air conduit 101 is an air conduit.
  • the liquid storage tank 102 surrounds the outer periphery of the air guide tube 101 and is used for storing smoke liquid.
  • the first end of the casing 1 is provided with an air outlet 103 communicating with the air conduit 101 , and the second end of the casing 1 is open.
  • the bottom case 2 is fitted on the second end of the outer casing 1 to close the end.
  • the atomizing unit 3 is arranged in the second end of the housing 1 and is located on one side of the air conduit 101 and the liquid storage tank 102, and the liquid storage tank 102 is closed to the side of the second end of the housing 1, so as to form a closed liquid storage tank 102. the chamber.
  • the bottom case 2 is supported under the atomizing unit 3 .
  • the atomizing unit 3 includes a net-shaped U-shaped heating sheet 10 , a supporting and fixing base 20 , a liquid-conducting cotton 30 and a side seal 40 .
  • the supporting and fixing base 20 is used to support and fix the U-shaped heating plate 10 , and is provided with a central through hole 200 , and the central through-hole 200 penetrates the entire supporting and fixing base 20 in the height direction.
  • One end of the air conduit 101 facing the atomizing unit 3 is in communication with the central through hole 200 to form an atomizing channel.
  • the support fixture 20 may include a base 21 and a support cylinder 22 disposed on the base 21 ; the central through hole 200 penetrates the support cylinder 22 and the base 21 .
  • the side surface of the support cylinder 22 is provided with a U-shaped notch 23 for accommodating the U-shaped heating sheet 10 and the liquid-conducting cotton 30 and other components.
  • the notch 23 occupies at least half of the sidewall area of the support cylinder 22, so that the U-shaped heating sheet 10 and the liquid-conducting cotton 30 can be securely placed therein.
  • the supporting column 22 is a non-circular column as a whole, and may be a column with an oval or waist-shaped cross-section.
  • the supporting and fixing base 20 is made of high temperature resistant insulating materials, such as PEEK, ceramics, nylon, LPC and the like.
  • the notch 23 is provided on the side of the support cylinder 22, the bottom can extend to the surface of the base 21, and the top does not penetrate the upper end of the support cylinder 22, so that the upper end of the support cylinder 22 has an integral annular end.
  • the U-shaped heating sheet 10 is disposed in the notch 23 and abuts on the base 21 in a side-embedded manner; the inner side of the U-shaped heating sheet 10 faces the central through hole 200 .
  • the liquid-conducting cotton 30 is wrapped on the outer surface of the U-shaped heating sheet 10 away from the central through hole 100, and is closely attached to it, so as to better conduct liquid-conducting heating.
  • the side seal 40 fits in the gap 23 to fix the liquid-conducting cotton 30 between the side seal 40 and the U-shaped heating piece 10 , and also cooperates with the liquid-conducting cotton 30 and the U-shaped heating piece 10 to fill and seal the gap 23 .
  • the side seal 40 is provided with at least one liquid guiding hole 41 which communicates with the liquid guiding cotton 30 .
  • the liquid guide hole 41 is communicated with the liquid storage tank 102 , and the atomized liquid in the liquid storage tank 102 enters through the liquid guide hole 41 and is adsorbed on the liquid guide cotton 30 .
  • the size and quantity of the liquid guide holes 41 are set according to the liquid feeding requirements.
  • the liquid-conducting cotton 30 and the side seals 40 also have a U-shaped structure.
  • the outer side surface of the side seal 40 is smoothly connected with the side surface of the support cylinder 22 to form an integral cylinder with the support cylinder 22 .
  • At least one convex buckle 42 is provided on at least one side of the upper and lower sides of the side seal 40 , so that the side seal 40 is positioned in the notch 23 in a snap-fit manner.
  • the surface of the base 21 located in the notch 23 and the inner top surface of the notch 23 ie, the inner end surface of the annular end of the upper end of the support cylinder 22 ) may be provided with concave holes for matching with the convex buckle 42 .
  • the U-shaped heating sheet 10 includes a U-shaped mesh heating sheet 11 and electrode connecting portions 12 respectively connected to opposite ends of the mesh heating sheet 11 .
  • the mesh heating sheet 11 can be formed by using a metal conductive sheet to obtain a mesh structure by cutting, etching, etc., and then forming it by bending, or by welding a plurality of horizontal metal wires and vertical support ribs, or by using a metal wire to pass through the mesh. It is compiled in the form of warp and weft.
  • the electrode connection portion 12 may be integrally formed or welded on the end portion of the mesh heating sheet 11 .
  • the upper and lower sides of the mesh heating sheet 11 may be respectively provided with a plurality of protruding supporting and limiting ribs 13 , and the supporting and limiting ribs 13 located on the upper side face the inner top surface of the notch 23 (ie The inner end surface of the annular end of the upper end of the support column 22), the support limit rib 13 on the lower side faces the opposite surface of the base 21, so that the mesh heating plate 11 is supported and positioned by the support limit ribs 13 on the upper and lower sides.
  • the notch 23 the problem that the mesh heating sheet 11 itself is thin and the supporting force is insufficient is solved.
  • the support limiting ribs 13 When the U-shaped heating sheet 10 is energized and heated, the support limiting ribs 13 generate no heat or very little heat, and the temperature is lower than that of the mesh heating sheet 11 , which does not affect the atomization effect.
  • the support and limit ribs 13 on the upper side face the inner top surface of the notch 23 and can be embedded therein, and the support and limit ribs 13 on the lower side face the opposite surface of the base 21 and can be embedded therein to enhance stability.
  • limiting bosses 231 are respectively provided on the upper and lower sides of the gap 23 . between the sides.
  • the supporting and limiting ribs 13 on the upper and lower sides of the mesh heating sheet 11 are respectively abutted or embedded in the corresponding limiting bosses 231 .
  • the cooperation between the limit boss 231 and the support limit rib 13 can not only improve the stability of the mesh heating sheet 11 in the gap 23, but also solve the problem that the mesh heating sheet 11 itself is thin and the supporting force is insufficient.
  • the mesh-shaped heating sheet 11 plays a limiting role, limiting it to the periphery of the central through hole 200 , and at the same time, the mesh-shaped heating sheet 11 can withstand the extrusion and wrapping of the liquid-conducting cotton 30 and is not easily deformed.
  • the limiting bosses 231 on the upper and lower sides of the notch 23 can also be connected as a whole by a rod body 232 arranged vertically.
  • the mesh heating sheet 11 can be formed by staggered connection of several transverse heating ribs 111 and several vertical supporting ribs 112; the transverse heating ribs 111 are linear, Polyline or wavy line, etc.
  • a plurality of transverse heating ribs 111 are linear and spaced in parallel, and a plurality of vertical support ribs 112 are spaced in parallel. And a plurality of transverse heating ribs 111 and a plurality of vertical supporting ribs 112 are connected in a relatively vertical and staggered manner to form a mesh heating sheet 11 with a square grid.
  • the support and limit ribs 13 on the upper and lower sides of the mesh heating sheet 11 can be formed by extending from the ends of the vertical support ribs 112 .
  • the two electrode connecting parts 12 are respectively connected to opposite ends of the transverse heating rib 111 .
  • a plurality of transverse heating ribs 111 are wavy lines and are spaced in parallel, and a plurality of vertical supporting ribs 112 are spaced in parallel, And a plurality of transverse heating ribs 111 and a plurality of vertical supporting ribs 112 are connected in a relatively vertical and staggered manner to form a mesh heating sheet 11 with a curved grid.
  • the support and limit ribs 13 on the upper and lower sides of the mesh heating sheet 11 can be formed by extending from the ends of the vertical support ribs 112 .
  • the two electrode connecting parts 12 are respectively connected to opposite ends of the transverse heating rib 111 .
  • a plurality of transverse heating ribs 111 are folded and spaced in parallel, and a plurality of vertical support ribs 112 are divided into multiple groups and distributed in Between every two adjacent lateral heating ribs 111; between every two adjacent lateral heating ribs 111, several vertical support ribs 112 are spaced in parallel, and the two adjacent lateral heating ribs 111 are spaced in parallel. Connected together, the vertical support ribs 112 of the two groups of vertical support ribs that are adjacent to each other up and down are staggered and distributed one by one, so that the grids on the mesh heating sheet 11 are honeycomb-shaped.
  • the two electrode connecting parts 12 are respectively connected to opposite ends of the transverse heating rib 111 .
  • the U-shaped heating sheet 10 is supported and fixed by the supporting and fixing base 20 and the side seals 40, etc., and can keep close contact with the liquid-conducting cotton 30 and ensure a certain structural strength (not easily deformed), which is conducive to the
  • the U-shaped heating sheet 10 is made thinner, and the material selection range is larger.
  • the tightness of the wrapping of the liquid-conducting cotton 30 to the U-shaped heating sheet 10 can be set according to the liquid supply requirement.
  • the liquid-conducting cotton 30 may be wrapped only on the opposite surface of the mesh heating sheet 11;
  • the lateral heating ribs 111 and the vertical supporting ribs 112 are wrapped around the side of the grid; alternatively, the liquid-conducting cotton 30 wraps the opposite surface of the mesh heating sheet 11 and is partially embedded in the mesh of the mesh heating sheet 11 Among them, the lateral heating rib 111 and the vertical supporting rib 112 are wrapped around the side of the grid, and also protrude to the surface of the mesh heating sheet 11 facing away from the liquid-conducting cotton 30 .
  • the atomizing unit 3 also includes two electrode pins 50, which are respectively electrically connected to the two electrode connecting parts 12 of the U-shaped heating sheet 10, and the U-shaped heating sheet 10 is guided by the electrodes.
  • the pin 50 is connected to an external power supply device.
  • the two electrode pins 50 are inserted into the supporting and fixing base 20 , and are respectively contacted and electrically connected with the two electrode connecting portions 12 of the U-shaped heating plate 10 .
  • the ends of the two electrode connection parts 12 are provided with extension parts 14 that are bent back against each other, and the electrode connection part 12 faces the electrode pin 50 through the extension part 14. way to contact the electrical connection.
  • the electrode lead 50 may further include a first lead segment 51 and a second lead segment 52 that are connected.
  • the base 21 supporting the fixing base 20 is provided with an insertion hole 211 .
  • the first pin segment 51 of the electrode pin 50 fits on the bottom surface of the base 21 facing away from the support cylinder 22; It is covered between the second pin segment 52 and the inner side surface of the support cylinder 22 facing the notch 23 , and is electrically connected to the extension portion 14 .
  • the electrode pins 50 are in an inverted L shape.
  • the bottom case 2 is provided with holes 201 for exposing the electrode pins 50 , so as to facilitate the connection of the electrode pins 50 with an external power supply device.
  • each electrode pin 50 is exposed through one hole portion 201 , and the two hole portions 201 are arranged at intervals.
  • the atomizing unit 3 may further include a supporting air guide 60 disposed in the central through hole 200 of the supporting fixing base 20 .
  • the supporting air guide 60 is cylindrical as a whole and may include opposite first and second ends. The first end of the supporting air guide 60 is located in the support column 22 , and the second end is located in the base 21 .
  • the support air guide 60 is provided with an air guide through hole 61, the air guide through hole 61 penetrates the side wall and the second end of the support air guide 60, and an air guide outlet 611 and an air guide are respectively formed on the side wall and the second end.
  • Inlet (not shown); the central through hole 200 communicates with the air guide through hole 61 through the air guide outlet 611, and then communicates with the outside air through the air guide inlet to realize ventilation.
  • the setting of the support air guide 60 and the air guide through holes 61 on the support air guide 60 makes the air flow after entering the support air guide 60 change direction and enter the central through hole 200 in a horizontal or oblique way, which also makes the fog
  • the condensed liquid is not easy to leak from the air inlet.
  • the second end of the supporting air guide 60 is adapted to the port of the central through hole 200 located on the base 21, so that the port of the central through hole 200 located on the base 21 can be closed, leaving only the air guide inlet. with external ventilation.
  • the supporting air guide 60 may be manufactured separately and assembled with the supporting and fixing base 20 , or may be integrally formed with the supporting and fixing base 20 .
  • the bottom case 2 is provided with an air inlet that communicates with the air guide inlet on the supporting air guide member 60, so that the air outlet 103, the air guide pipe 101, the central through hole 200, the air guide through hole 61 and the air inlet are connected in sequence, An integral atomization channel is formed, and the gas flow direction is shown by the arrow in Figure 1.
  • the atomizing device of the present invention also includes a sealing seat 4 arranged in the casing 1 and covering the atomizing unit 3 to seal and isolate the atomization channel and the liquid storage.
  • the role of the bin 102 is arranged in the casing 1 and covering the atomizing unit 3 to seal and isolate the atomization channel and the liquid storage.
  • the sealing seat 4 is made of an elastic and deformable insulating material such as silica gel.
  • One end of the sealing seat 4 facing the air duct 101 is provided with a channel hole 401 which communicates with the central through hole 200 oppositely.
  • the side wall of the sealing seat 4 is provided with a side wall through hole 402 which is in communication with the liquid guide hole 41 , and the liquid storage tank 102 communicates with the liquid guide hole 41 through the side wall through hole 402 .
  • the atomizing liquid can be injected into the liquid storage tank 102 of the casing 1 first, the sealing seat 4 can be sleeved on the atomizing unit 3, and then the sealing seat 4 and the atomizing unit 3 can be assembled together Enter the casing 1 to seal the liquid storage tank 102, and finally install the bottom casing 2 to form an integral atomizing device.

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Abstract

一种雾化单元（3）及雾化装置，雾化单元（3）包括：网状的U形加热片（10）、具有中心通孔（200）的支撑固定座（20）、导液棉（30）以及侧封件（40）；支撑固定座（20）包括底座（21）、设置在底座（21）上的支撑柱体（22），中心通孔（200）贯穿支撑柱体（22）和底座（21）；支撑柱体（22）的侧面设有U形的缺口（23）；U形加热片（10）设置在缺口（23）中并抵接在底座（21）上；导液棉（30）包裹在U形加热片（10）远离中心通孔（200）的外侧面上；侧封件（40）配合在缺口（23）中，将导液棉（30）固定在侧封件（40）与U形加热片（10）之间；侧封件（40）上设有至少一个连通至导液棉（30）的导液孔（41）。该雾化单元（3）及雾化装置，加热体以侧向装配的方式支撑固定在支撑固定座（20）上，并通过侧封件（40）将导液棉（30）及加热体固定在支撑固定座（20）上，确保其与导液棉（30）的充分接触及避免被挤压变形；利于加热体薄化设置，扩大选材范围。

Description

雾化单元及雾化装置 技术领域
本发明涉及雾化技术领域，尤其涉及一种雾化单元及雾化装置。
 背景技术
加热雾化可以将液体分散成为较小的颗粒，使得液体分子在空间内更为分散，广泛的应用在医疗、农业、家电、电子消费品等行业，而加热雾化领域由于其易于实现，对大多数液体均可实现雾化在近些年受到广泛的应用。作为加热雾化的核心零部件的加热体，创新尤为重要。
目前，在加热雾化领域应用最为广泛的加热体主要分为两种：一种是由发热丝螺旋形成的螺旋状加热体，另一种是网状加热体。网状加热体与导液棉装配时，大都装配在导液棉的内圈，与其贴合实现导液加热。
然而，现有的网状加热体存在着以下问题：
1.由于电路的和发热面积的需要，其中镂空形成迂回的发热线路，造成片状加热体的链接点比较小；
2.为了更大的发热面积，发热线路迂回造成边框部位不平整、无支撑力。产品强度弱，在运输和装配的过程中容易造成变形不良，不利于大批量生产；
3.由于加热片的支撑强度不够，和导液棉的贴合度很难保证，接触不好时就易出现局部位置干烧产生有害物质，给用户不好的体验；另外产品设计时尺寸和形状不好规范；
4. 加热片厚度收到强度限制，无法做薄，造成通电时导体截面积较大，热量启动慢的问题。
 技术问题
本发明要解决的技术问题在于，提供一种提高对网状加热体的支撑强度及其与导液棉的贴合度的雾化单元以及具有该雾化单元的雾化装置。
 技术解决方案
本发明解决其技术问题所采用的技术方案是：提供一种雾化单元，包括网状的U形加热片、具有中心通孔的支撑固定座、导液棉以及侧封件；
所述支撑固定座包括底座、设置在所述底座上的支撑柱体，所述中心通孔贯穿所述支撑柱体和底座；所述支撑柱体的侧面设有U形的缺口；
所述U形加热片设置在所述缺口中并抵接在所述底座上；所述导液棉包裹在所述U形加热片远离所述中心通孔的外侧面上；
所述侧封件配合在所述缺口中，将所述导液棉固定在侧封件与所述U形加热片之间；所述侧封件上设有至少一个连通至所述导液棉的导液孔。
优选地，所述U形加热片包括U形的网状加热片、分别连接在所述网状加热片相对两端的电极连接部；
所述网状加热片的上下两侧分别设有若干个凸出的支撑限位筋，位于上侧的所述支撑限位筋朝向所述缺口的内顶面，位于下侧的所述支撑限位筋朝向所述底座的表面。
优选地，所述缺口内上下两侧分别设有限位凸台；所述网状加热片上下两侧的支撑限位筋分别抵接或嵌入对应的所述限位凸台。
优选地，所述网状加热片由若干个横向加热筋和若干个竖向支撑筋交错连接形成；两个所述电极连接部分别连接在所述横向加热筋的相对两端；
所述横向加热筋呈直线形、折线形或波浪线形。
优选地，所述雾化单元还包括两个电极引脚；
两个所述电极引脚插接在所述支撑固定座内并分别与所述U形加热片的两个电极连接部接触电连接。
优选地，所述雾化单元还包括设置在所述中心通孔内的支撑导气件；
所述支撑导气件的第一端位于所述支撑柱体内，相对的第二端位于所述底座内；所述支撑导气件内设有导气通孔，所述导气通孔贯穿所述支撑导气件的侧壁和第二端，在侧壁和第二端上分别形成导气出口和导气入口；所述中心通孔通过所述导气出口与所述导气通孔相连通。
优选地，所述支撑导气件的第二端与所述中心通孔位于所述底座上的端口相适配设置。
本发明还提供一种雾化装置，包括以上任一项所述的雾化单元。
优选地，所述雾化装置还包括筒状的外壳、底壳；
所述外壳内设有导气管以及环绕在所述导气管外周的储液仓；所述外壳的第一端设有连通所述导气管的出气口，所述外壳的第二端开放；所述底壳配合在所述外壳的第二端将其封闭；
所述雾化单元设置在所述外壳的第二端内；所述雾化单元上的中心通孔与所述导气管相对连通，所述雾化单元上的导液孔与所述储液仓相连通。
优选地，所述底壳上设有用于露出所述雾化单元的电极引脚的孔部。
优选地，所述雾化装置还包括设置在所述外壳内并包覆在所述雾化单元上的密封座；
所述密封座朝向所述导气管的一端设有与所述中心通孔相对连通的通道孔，所述导气管的端部插接在所述通道孔上并通过所述通道孔连通所述中心通孔；
所述密封座的侧壁设有与所述导液孔相对连通的侧壁通孔，所述储液仓通过所述侧壁通孔与所述导液孔连通。
 有益效果
本发明的雾化单元，加热体为网状的U形结构，以侧向装配的方式支撑固定在支撑固定座上，并通过侧封件将导液棉及加热体固定在支撑固定座上，对网状的加热体形成足够的支撑强度，确保其与导液棉的充分接触及避免被导液棉挤压变形；此外，也利于加热体的薄化设置，扩大其选材范围。
 附图说明
图1是本发明一实施例的雾化装置的剖面结构示意图；
图2是本发明一实施例的雾化装置的分解结构示意图；
图3是图2中雾化单元的爆炸图；
图4是图3中支撑固定座和U形加热片的组装过程示意图；
图5中（1）至（3）分别是U形加热片的三个实施例的结构示意图。
 本发明的实施方式
为了对本发明的技术特征、目的和效果有更加清楚的理解，现对照附图详细说明本发明的具体实施方式。
如图1、2所示，本发明一实施例的雾化装置，包括外壳1、底壳2以及雾化单元3。
外壳1为中空的筒状结构，可包括相对的第一端和第二端。外壳1内设有相隔绝的导气管101和储液仓102，导气管101位于外壳1的中部位置并沿外壳1的长度方向延伸，导气管101的内部通道为导气通道。储液仓102环绕在导气管101外周，用于储存烟液。外壳1的第一端设有连通导气管101的出气口103，外壳1的第二端开放。底壳2配合在外壳1的第二端将该端封闭。
雾化单元3设置在外壳1的第二端内并且位于导气管101和储液仓102的一侧，将储液仓102朝向外壳1第二端的一侧封闭，以将储液仓102形成密闭的腔室。底壳2支撑在雾化单元3下方。
如图1-3所示，雾化单元3包括网状的U形加热片10、支撑固定座20、导液棉30以及侧封件40。
支撑固定座20用于支撑固定U形加热片10，其上设有中心通孔200，中心通孔200在高度方向上贯穿整个支撑固定座20。导气管101朝向雾化单元3的一端与中心通孔200相对连通，形成雾化通道。
支撑固定座20可包括底座21、设置在底座21上的支撑柱体22；中心通孔200贯穿支撑柱体22和底座21。支撑柱体22的侧面设有U形的缺口23，用于容置U形加热片10及导液棉30等件。该缺口23占用了支撑柱体22的至少一半侧壁面积，以使U形加热片10及导液棉30等件能够稳固置于其中。结合缺口23的设置，支撑柱体22整体为非圆形的柱体，可以是横截面呈椭圆形或腰形等柱体。
支撑固定座20采用耐高温绝缘材料制成，如PEEK、陶瓷、尼龙、LPC等。
缺口23在支撑柱体22侧面上的设置，底部可延伸至底座21的表面上，顶部不贯穿支撑柱体22的上端，使支撑柱体22的上端留有整体的环形的端部。
U形加热片10以侧面嵌入的方式设置在缺口23中并抵接在底座21上；U形加热片10的内侧面朝向中心通孔200。导液棉30包裹在U形加热片10远离中心通孔100的外侧面上，与其紧密贴合，以更好的导液加热。
侧封件40配合在缺口23中，将导液棉30固定在侧封件40与U形加热片10之间，此外也配合导液棉30和U形加热片10将缺口23填充封闭。侧封件40上设有至少一个连通至导液棉30的导液孔41。在外壳1内，导液孔41与储液仓102相连通，储液仓102内的雾化液通过导液孔41进入并被吸附在导液棉30上。导液孔41的尺寸及数量等根据进液需求进行设置。
对应U形加热片10和缺口23的设置，导液棉30和侧封件40也呈U形结构。优选地，在侧封件40配合在缺口23中后，其外侧面与支撑柱体22的侧面平滑相接，与支撑柱体22构成整体的柱体。
为提高侧封件40在缺口23处的稳定性，侧封件40的上下两侧中至少一侧上设有至少一个凸扣42，使侧封件40以扣合方式定位在缺口23中。对应凸扣42，位于缺口23内的底座21的表面上和缺口23的内顶面（即支撑柱体22上端的环形端部的内端面）上可设有与凸扣42配合的凹孔。
具体地，U形加热片10包括U形的网状加热片11、分别连接在网状加热片11相对两端的电极连接部12。网状加热片11可以采用金属导电片通过切割、蚀刻等方式获得网状结构后再通过弯折形成，或者采用多根横向金属丝和竖向的支撑筋焊接而成，又或者通过金属丝通过经纬网形式编制而成。电极连接部12可以一体形成或焊接形成在网状加热片11的端部。
如图3、4所示，网状加热片11的上下两侧可分别设有若干个凸出的支撑限位筋13，位于上侧的支撑限位筋13朝向缺口23的内顶面（即支撑柱体22上端的环形端部的内端面），位于下侧的支撑限位筋13朝向底座21与其相对的表面，这样使得网状加热片11通过上下两侧的支撑限位筋13支撑定位在缺口23中，解决网状加热片11本身较薄而支撑力不足的问题。U形加热片10在通电发热时，支撑限位筋13不产生热量或热量极少，相对网状加热片11的温度低，不影响雾化效果。
根据需要，位于上侧的支撑限位筋13朝向缺口23的内顶面并可嵌入其中，位于下侧的支撑限位筋13朝向底座21与其相对的表面并可嵌入其中，加强稳定性。
对应网状加热片11上下两侧的支撑限位筋13，缺口23内上下两侧分别设有限位凸台231，限位凸台231位于中心通孔200的外围和U形加热片10的内侧面之间。网状加热片11上下两侧的支撑限位筋13分别抵接或嵌入对应的限位凸台231。限位凸台231与支撑限位筋13的配合，不仅可以提高网状加热片11在缺口23内的稳定性，解决网状加热片11本身较薄而支撑力不足的问题，还可以对网状加热片11起到限位作用，将其限位在中心通孔200的外围，同时使网状加热片11能够承受导液棉30的挤压包裹而不易变形。缺口23内上下两侧的限位凸台231还可以通过竖向设置的杆体232连接为一体。
进一步地，如图3、5所示，对于网状加热片11的结构形式，其可以由若干个横向加热筋111和若干个竖向支撑筋112交错连接形成；横向加热筋111呈直线形、折线形或波浪线形等等。
如图5中（1）所示，在网状加热片11的第一实施例中，若干个横向加热筋111呈直线形且相平行间隔，若干个竖向支撑筋112之间相平行间隔，并且若干个横向加热筋111和若干个竖向支撑筋112相对垂直交错连接，形成具有方形网格的网状加热片11。网状加热片11上下两侧的支撑限位筋13可由竖向支撑筋112的端部延伸形成。两个电极连接部12分别连接在横向加热筋111的相对两端。
如图5中（2）所示，在网状加热片11的第二实施例中，若干个横向加热筋111呈波浪线形且相平行间隔，若干个竖向支撑筋112之间相平行间隔，并且若干个横向加热筋111和若干个竖向支撑筋112相对垂直交错连接，形成具有曲形网格的网状加热片11。网状加热片11上下两侧的支撑限位筋13可由竖向支撑筋112的端部延伸形成。两个电极连接部12分别连接在横向加热筋111的相对两端。
如图5中（3）所示，在网状加热片11的第三实施例中，若干个横向加热筋111呈折线形且相平行间隔，若干个竖向支撑筋112分成多组并分布在每相邻的两个横向加热筋111之间；每相邻的两个横向加热筋111之间的若干个竖向支撑筋112之间相平行间隔，并且将相邻的两个横向加热筋111连接在一起，上下相邻的两组竖向支撑筋的若干个竖向支撑筋112之间一一相错开分布，使网状加热片11上的网格呈蜂窝状。两个电极连接部12分别连接在横向加热筋111的相对两端。
雾化单元3中，U形加热片10通过支撑固定座20配合侧封件40等的支撑固定，能够与导液棉30保持紧密贴合且确保一定的结构强度（不易变形），有利于将U形加热片10做薄，选材范围更大。
导液棉30对U形加热片10的包裹紧密程度可根据供液需求设置。例如，导液棉30可以只包裹在网状加热片11的与其相对的表面上；或者，导液棉30包裹网状加热片11的与其相对的表面并部分嵌入到网状加热片11的网格中，包裹横向加热筋111和竖向支撑筋112位于网格内的侧面；或者，导液棉30包裹网状加热片11的与其相对的表面并部分嵌入到网状加热片11的网格中，包裹横向加热筋111和竖向支撑筋112位于网格内的侧面，并且还凸出到网状加热片11的背向导液棉30的表面。
进一步地，又如图3、4所示，雾化单元3还包括两个电极引脚50，分别与U形加热片10的两个电极连接部12导电连接，U形加热片10通过电极引脚50外接供电装置。两个电极引脚50插接在支撑固定座20内，分别与U形加热片10的两个电极连接部12接触电连接。
为增大电极连接部12与电极引脚50的接触面积，两个电极连接部12的端部设有相背弯曲的延伸部14，电极连接部12通过延伸部14与电极引脚50以面对面的方式接触电连接。
电极引脚50进一步可包括相接的第一引脚段51和第二引脚段52。对应电极引脚50，支撑固定座20的底座21上设有插孔211，插孔211贯穿底座21相对两面（底面和顶面）并连通缺口23。电极引脚50的第一引脚段51配合在底座21背向支撑柱体22的底面上；第二引脚段52穿过插孔211进入缺口23，可将电极连接部12的延伸部14覆盖在第二引脚段52与支撑柱体22的朝向缺口23的内侧面之间，与延伸部14接触电连接。
如图3中所示，本实施例中，电极引脚50呈倒L形。
对应电极引脚50，如图2所示，底壳2上设有孔部201，用于露出电极引脚50，便于电极引脚50与外部的供电装置连接。优选地，每一电极引脚50通过一个孔部201露出，两个孔部201相间隔排布。
结合图1、3，根据需要，雾化单元3还可包括设置在支撑固定座20的中心通孔200内的支撑导气件60。支撑导气件60整体呈柱状，可包括相对的第一端和第二端。支撑导气件60的第一端位于支撑柱体22内，第二端位于底座21内。
支撑导气件60内设有导气通孔61，导气通孔61贯穿支撑导气件60的侧壁和第二端，在侧壁和第二端上分别形成导气出口611和导气入口（未图示）；中心通孔200通过导气出口611与导气通孔61相连通，再通过导气入口连通外部空气，实现通气。支撑导气件60及其上的导气通孔61等的设置，使得直升进入支撑导气件60内后的气流改变方向，以横向或斜向的方式进入中心通孔200，也使得雾化的冷凝液不易从导气入口漏出。
 优选地，支撑导气件60的第二端与中心通孔200位于底座21上的端口相适配设置，这样可以将中心通孔200位于底座21上的端口封闭，只留下导气入口实现与外部通气。
支撑导气件60可以通过单独制造并与支撑固定座20进行装配，也可以与支撑固定座20一体成型。
底壳2上设有与支撑导气件60上的导气入口相连通的进气口，从而出气口103、导气管101、中心通孔200、导气通孔61和进气口依次连通，形成整体的雾化通道，气体流向如图1中箭头所示。
进一步地，又如图1、2所示，本发明的雾化装置还包括设置在外壳1内并包覆在雾化单元3上的密封座4，起到密封以及隔绝雾化通道和储液仓102的作用。
密封座4采用硅胶等具有弹性可变形的绝缘材料制成。
密封座4朝向导气管101的一端设有与中心通孔200相对连通的通道孔401，导气管101的端部插接在通道孔401上并通过通道孔401连通中心通孔200。密封座4的侧壁设有与导液孔41相对连通的侧壁通孔402，储液仓102通过侧壁通孔402与导液孔41连通。
本发明的雾化装置组装时，可先将雾化液注入外壳1的储液仓102内，将密封座4套设到雾化单元3上，再将密封座4及雾化单元3一同装入外壳1内将储液仓102封闭，最后装上底壳2，形成整体的雾化装置。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (11)

  1. 一种雾化单元，其特征在于，包括网状的U形加热片（10）、具有中心通孔（200）的支撑固定座（20）、导液棉（30）以及侧封件（40）；
    所述支撑固定座（20）包括底座（21）、设置在所述底座（21）上的支撑柱体（22），所述中心通孔（200）贯穿所述支撑柱体（22）和底座（21）；所述支撑柱体（22）的侧面设有U形的缺口（23）；
    所述U形加热片（10）设置在所述缺口（23）中并抵接在所述底座（21）上；所述导液棉（30）包裹在所述U形加热片（10）远离所述中心通孔（200）的外侧面上；
    所述侧封件（40）配合在所述缺口（23）中，将所述导液棉（30）固定在侧封件（40）与所述U形加热片（10）之间；所述侧封件（40）上设有至少一个连通至所述导液棉（30）的导液孔（41）。
  2. 根据权利要求1所述的雾化单元，其特征在于，所述U形加热片（10）包括U形的网状加热片（11）、分别连接在所述网状加热片（11）相对两端的电极连接部（12）；
    所述网状加热片（11）的上下两侧分别设有若干个凸出的支撑限位筋（13），位于上侧的所述支撑限位筋（13）朝向所述缺口（23）的内顶面，位于下侧的所述支撑限位筋（13）朝向所述底座（21）的表面。
  3. 根据权利要求2所述的雾化单元，其特征在于，所述缺口（23）内上下两侧分别设有限位凸台（231）；所述网状加热片（11）上下两侧的支撑限位筋（13）分别抵接或嵌入对应的所述限位凸台（231）。
  4. 根据权利要求2所述的雾化单元，其特征在于，所述网状加热片（11）由若干个横向加热筋（111）和若干个竖向支撑筋（112）交错连接形成；两个所述电极连接部（12）分别连接在所述横向加热筋（111）的相对两端；
    所述横向加热筋（111）呈直线形、折线形或波浪线形。
  5. 根据权利要求2所述的雾化单元，其特征在于，所述雾化单元还包括两个电极引脚（50）；
    两个所述电极引脚（50）插接在所述支撑固定座（20）内并分别与所述U形加热片（10）的两个电极连接部（12）接触电连接。
  6. 根据权利要求1-5任一项所述的雾化单元，其特征在于，所述雾化单元还包括设置在所述中心通孔（200）内的支撑导气件（60）；
    所述支撑导气件（60）的第一端位于所述支撑柱体（22）内，相对的第二端位于所述底座（21）内；所述支撑导气件（60）内设有导气通孔（61），所述导气通孔（61）贯穿所述支撑导气件（60）的侧壁和第二端，在侧壁和第二端上分别形成导气出口（611）和导气入口；所述中心通孔（200）通过所述导气出口（611）与所述导气通孔（61）相连通。
  7. 根据权利要求6所述的雾化单元，其特征在于，所述支撑导气件（60）的第二端与所述中心通孔（200）位于所述底座（21）上的端口相适配设置。
  8. 一种雾化装置，其特征在于，包括权利要求1-7任一项所述的雾化单元（3）。
  9. 根据权利要求8所述的雾化装置，其特征在于，所述雾化装置还包括筒状的外壳（1）、底壳（2）；
    所述外壳（1）内设有导气管（101）以及环绕在所述导气管（101）外周的储液仓（102）；所述外壳（1）的第一端设有连通所述导气管（101）的出气口（103），所述外壳（1）的第二端开放；所述底壳（2）配合在所述外壳（1）的第二端将其封闭；
    所述雾化单元（3）设置在所述外壳（1）的第二端内；所述雾化单元（3）上的中心通孔（200）与所述导气管（101）相对连通，所述雾化单元（3）上的导液孔（41）与所述储液仓（103）相连通。
  10. 根据权利要求9所述的雾化装置，其特征在于，所述底壳（2）上设有用于露出所述雾化单元（3）的电极引脚（50）的孔部（201）。
  11. 根据权利要求9所述的雾化装置，其特征在于，所述雾化装置还包括设置在所述外壳（1）内并包覆在所述雾化单元（3）上的密封座（4）；
    所述密封座（4）朝向所述导气管（101）的一端设有与所述中心通孔（200）相对连通的通道孔（61），所述导气管（101）的端部插接在所述通道孔（61）上并通过所述通道孔（61）连通所述中心通孔（200）；
    所述密封座（4）的侧壁设有与所述导液孔（41）相对连通的侧壁通孔（611），所述储液仓（102）通过所述侧壁通孔（611）与所述导液孔（41）连通。
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