WO2023151383A1 - 电子雾化装置及其雾化器和雾化芯 - Google Patents

电子雾化装置及其雾化器和雾化芯 Download PDF

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Publication number
WO2023151383A1
WO2023151383A1 PCT/CN2022/139404 CN2022139404W WO2023151383A1 WO 2023151383 A1 WO2023151383 A1 WO 2023151383A1 CN 2022139404 W CN2022139404 W CN 2022139404W WO 2023151383 A1 WO2023151383 A1 WO 2023151383A1
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WO
WIPO (PCT)
Prior art keywords
heat generating
heating
atomizing core
heating element
core according
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PCT/CN2022/139404
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English (en)
French (fr)
Inventor
张钊
肖从文
罗洪梁
Original Assignee
深圳麦克韦尔科技有限公司
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Publication of WO2023151383A1 publication Critical patent/WO2023151383A1/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

Definitions

  • the present invention relates to an atomizing device, more specifically, to an electronic atomizing device and its atomizer and atomizing core.
  • An electronic atomization device for inhaling aerosol in the related art includes a ceramic atomizing core, and the atomizing core includes a ceramic porous body for liquid absorption and a heating element combined on the surface of the ceramic porous body for heating atomization.
  • the heating elements of existing ceramic atomizing cores are generally implemented by embedding heating wires, heating sheets or printing heating films.
  • the layout of the heating element is basically S-shaped. In the working state of the heating element, the heat concentration area is in the central area of the S-shaped heating element, and the temperature outside the straight section area on both sides is relatively low; The large thermal stress will lead to cracks or deformation of the heating element.
  • the local high temperature area also increases the concentration of dirt, greatly reducing the service life of the atomizing core; and increasing safety risks.
  • the technical problem to be solved by the present invention is to provide an improved electronic atomization device and its atomizer and atomization core.
  • the present invention provides an atomizing core for an electronic atomization device, comprising a liquid absorbing element and a heating element arranged on the absorbing liquid;
  • the heating element comprises a first heating part and an arc-shaped first Two heat generating parts and an arc-shaped third heat generating part;
  • the second heat generating part and the third heat generating part are distributed on two opposite sides of the first heat generating part at intervals, and are in the same circle;
  • the second heat generating part and one end of the third heat generating portion are respectively electrically connected to the first heat generating portion.
  • ends on different sides of the second heat generating portion and the third heat generating portion are respectively electrically connected to the first heat generating portion.
  • the second heat generating portion and the third heat generating portion are symmetrically distributed on the two opposite sides of the first heat generating portion.
  • the first heat generating portion is circular or circular, and has a common center with the second heat generating portion and the third heat generating portion.
  • the heating element includes a fourth heating part and a fifth heating part, one end of the fourth heating part and the fifth heating part are respectively connected to two opposite sides of the first heating part , the other ends of the fourth heat generating portion and the fifth heat generating portion are respectively connected to the one ends of the second heat generating portion and the third heat generating portion, so as to realize that the second heat generating portion and the third heat generating portion
  • the heating part is electrically connected to the first heating part.
  • both the fourth heat generating portion and the fifth heat generating portion are strip-shaped.
  • the heating element includes a first electrode connection part and a second electrode connection part, and the first electrode connection part and the second electrode connection part are respectively arranged at intervals on the first heating part.
  • the other two opposite sides are respectively connected to the other ends of the second heat generating part and the third heat generating part.
  • the first electrode connecting portion and the second electrode connecting portion are rectangular, and are arranged in parallel and at intervals on the other two opposite sides of the second heat generating portion and the third heat generating portion .
  • the absorbent is a porous body.
  • the porous body is a ceramic porous body.
  • the heating element is a heating film printed on the surface of the porous body.
  • an atomizer comprising a liquid storage bin, an airflow channel, and an atomization chamber, the atomization chamber is located on the path of the airflow passage, the liquid storage bin is used to store an aerosol-generating substrate, and the atomization
  • the device also includes the atomizing core described in any one of the above, and the atomizing core is arranged in the atomizing chamber to atomize the aerosol-generating substrate from the liquid storage chamber.
  • an electronic atomization device including a power supply and a control circuit
  • the electronic atomization device also includes the above-mentioned atomizer
  • the power supply is electrically connected to the heating element of the atomizer
  • the control circuit controls The power supply provides electric energy to the heating element.
  • the beneficial effect of the present invention is that the heating part of the heating element adopts a more reasonable arc shape as a whole, which greatly reduces the adverse effect of thermal stress on the heating element.
  • the central area of the heating element adopts a circular shape with a large arc radius, which reduces the temperature concentration phenomenon in the central area; the heating area of the heating element has good consistency, the area of the heating surface is larger, and the heat utilization rate is higher.
  • Fig. 1 is a schematic perspective view of the three-dimensional structure of an electronic atomization device in some embodiments of the present invention.
  • FIG. 2 is a schematic diagram of a three-dimensional exploded structure of the electronic atomization device shown in FIG. 1 .
  • Fig. 3 is a perspective exploded structural diagram of the atomizer of the electronic atomization device shown in Fig. 1 .
  • FIG. 4 is a schematic diagram of a three-dimensional exploded structure of the atomizer of the electronic atomization device shown in FIG. 1 .
  • Fig. 5 is a schematic diagram of a planar exploded structure of the atomizer of the electronic atomization device shown in Fig. 1 .
  • FIG. 6 is a schematic diagram of the general cross-section and exploded structure of the atomizer of the electronic atomization device shown in FIG. 1 .
  • Fig. 7 is a schematic diagram of a longitudinal section combined structure of the atomizer of the electronic atomization device shown in Fig. 1 .
  • Fig. 8 is a schematic perspective view of the three-dimensional structure of the atomizing core shown in Fig. 1 .
  • Fig. 9 is a schematic perspective view of the three-dimensional structure of the atomizing core shown in Fig. 8 when the bottom faces upward.
  • Fig. 10 is a plan view of the bottom of the atomizing core shown in Fig. 8 facing upward.
  • Fig. 11 is a thermal field distribution diagram of the heating element of the atomizing core shown in Fig. 8 .
  • Fig. 12 is a plan view of the bottom of the atomizing core facing up in other embodiments of the present invention.
  • Fig. 13 is a thermal field distribution diagram of the heating element of the atomizing core shown in Fig. 12 .
  • Fig. 14 is a plan view of the bottom of the atomizing core in some other embodiments of the present invention.
  • Fig. 15 is a thermal field distribution diagram of the heating element of the atomizing core shown in Fig. 14 .
  • Figure 1 and Figure 2 show the electronic atomization device in some embodiments of the present invention
  • the electronic atomization device can be used for inhaling aerosol, it can be flat columnar in some embodiments, it can include an atomizer 1 and The atomizer 1 is detachably connected to a battery device 2 , the atomizer 1 is used to store e-liquid and generate smoke, and the battery device 2 is used to supply power to the atomizer 1 .
  • the lower end of the atomizer 1 is inserted into the upper end of the battery device 2, and the two can be combined by magnetic attraction.
  • the electronic atomization device can also be in other shapes such as a cylinder, and the atomizer 1 and the battery device 2 can also be non-detachable.
  • the atomizer 1 may include an atomization assembly 10 and a liquid storage bin 20 sleeved on the atomization assembly 10 in some embodiments.
  • the atomizing assembly 10 can be used for heating and atomizing the liquid aerosol generating substrate, and the liquid storage bin 20 can be used for storing the liquid aerosol generating substrate to be supplied to the atomizing assembly 10 .
  • the atomization assembly 10 includes a lower base body 11, an atomization core 12v disposed on the lower base body 11, a sealing sleeve 13 sleeved on the atomization core 12v, and a
  • the lower seat 11 is on the upper seat 14 pressed against the sealing sleeve 13 and the sleeve 15 is sleeved on the upper seat 14 .
  • the atomizing core 12v is tightly clamped between the lower base body 11 and the upper base body 14. It is sealed to prevent liquid leakage; it can also make the positioning of the atomizing core 12v closer in the horizontal direction.
  • the lower seat body 11 may include a base 111 , a first support arm 112 standing on the top surface of the base 111 , a second support arm 112 standing on the top surface of the base 111 and opposite to the first support arm 112 .
  • Support arm 113 The atomizing core 12v is supported between the first support arm 112 and the second support arm 113, and its atomization surface 1211v is facing the base 111, and has a certain distance from the base 111, and the distance forms the atomization chamber 110 , used to achieve the mixing of smoke and air.
  • the base 111 can be in the shape of a rectangular plate, and its bottom surface is concavely formed with two accommodating grooves 1110 for respectively accommodating two magnetic elements 16 therein.
  • the carburetor 1 and the battery device 2 are magnetically attracted together.
  • Two opposite end surfaces of the base 111 are respectively provided with hooks 1112 for buckling connection with the liquid storage bin 20 .
  • Two electrode columns 1114 electrically connected to the atomizing core 12v may also be provided on the bottom of the base 111 for electrically connecting with the positive and negative electrodes of the battery device 2 respectively.
  • the first support arm 112 and the second support arm 113 may be plate-shaped in some embodiments.
  • the inner surfaces of the first support arm 112 and the second support arm 113 are also respectively provided with recessed receiving grooves 1122 , 1132 for the nesting portion 142 of the upper base 14 to be embedded therein.
  • the receiving grooves 1122 and 1132 are formed on the upper half of the first support arm 112 and the second support arm 113 , and steps 1126 and 1136 are respectively formed on the first support arm 112 and the second support arm 113 .
  • the two ends of the atomizing core 12v are respectively lapped on the steps 1126 and 1136 .
  • Engaging portions 1122 , 1132 for buckling with the upper base body 14 are respectively provided on outer top ends of the first support arm 112 and the second support arm 113 .
  • the first support arm 112 and the second support arm 113 are symmetrically arranged to facilitate assembly; that is, during assembly, the assembler does not need to distinguish which end is left and which end is right.
  • the lower seat body 11 can also include a U-shaped air inlet groove structure 114 and a U-shaped air outlet groove structure 115, and the air inlet groove structure 114 and the air outlet groove structure 115 are respectively connected to the first support arm 112 and the second support arm 112.
  • the outer sides of the supporting arms 113 are all horizontally extended outwards.
  • the first supporting arm 112 is formed with a through hole 1120 connecting the air inlet groove structure 114 with the atomizing chamber 110
  • the second supporting arm 113 is formed with a through hole connecting the air outlet groove structure 115 with the atomizing chamber 110 .
  • the hole 1130 is used to introduce air to take away the smoke in the atomization chamber 110; the through holes 1120, 1130 are located under the receiving grooves 1122, 1132 respectively.
  • the atomizing core 12v may include a porous body 121v and a heating element 122v disposed on the bottom surface of the porous body 121v.
  • the porous body 121v may comprise a sintered porous ceramic body in some embodiments for absorbing a liquid aerosol-generating substrate as a liquid absorber.
  • the heating element 122v may include a first electrode connection portion 1221v for connecting with a first electrode lead, a second electrode connection portion 1222v for connecting with a second electrode lead, and a second electrode connection portion 1222v disposed on the first electrode connection.
  • the heating part 1223v has a large resistance and can generate heat when a current passes through it.
  • the first electrode connection part 1221v and the second electrode connection part 1222v have relatively small resistance and are mainly used for electrical connection.
  • the heat generating part 1223v can be in the shape of a strip, which is bent and turned multiple times to distribute the heat as evenly as possible on the bottom surface of the porous body 121v, so as to achieve uniform heat distribution, as shown in FIG. 11 .
  • the upper seat body 14 may include a substantially rectangular parallelepiped main body 141, a nesting portion 142 protruding downward from the middle of the bottom surface of the main body 141, and a second bottom protruding downward from the right end of the bottom surface of the main body 141.
  • Intake channel 143 The nesting portion 142 is ring-shaped, and is accommodated in the receiving grooves 1122 , 1132 between the first support arm 112 and the second support arm 113 of the lower seat body 111 , and sleeved on the periphery of the sealing sleeve 13 .
  • the upper seat body 14 also includes two liquid passages 144 extending from the top surface of the main body 141 to the bottom surface, a groove 145 formed on the side wall surrounding the right liquid passage 144 and communicating with the second air intake passage 143 and a
  • the groove 145 is connected to the second air outlet channel 146
  • the second air outlet channel 146 is connected to the groove 145 through the middle part of the top surface of the upper base 14 .
  • the left end of the top surface of the upper base body 14 is also recessed downwards to form two positioning holes 147 to cooperate with the sleeve body 15 and play the functions of positioning and fool-proofing.
  • the upper base body 14 also includes a hook 148 protruding downwards to be hooked on the lower base body 11 .
  • the sleeve body 15 can be a silicone sleeve in some embodiments, which can include a top wall 151, an annular first stop wall 152 extending downward from the periphery of the top wall 151, and a ring-shaped first stop wall 152 extending downward from both ends of the first stop wall 152, respectively.
  • Two U-shaped second blocking walls 153 and 154 are formed.
  • Two liquid inlet holes 155 and a casing air outlet channel 156 are formed on the top wall 151, the two liquid inlet holes 155 respectively correspond to the two liquid channels 144 of the upper base 14, and the sleeve air outlet channel 156 is inserted into the upper base In the second air outlet channel 146 of the body 14 , it communicates with the second air outlet channel 146 .
  • the first blocking wall 152 is used to cover the side wall of the main body 141 of the upper base 112 , and covers the channel 145 on the side wall to form an airtight annular upper base connecting channel.
  • the second blocking walls 153 and 154 respectively cover the air inlet groove structure 1114 and the air outlet groove structure 1115 of the lower base body 111, and together with the first support arm 1112 and the second support arm 115 form a first airtight air inlet channel and a second airtight channel respectively.
  • a first air intake hole 157 is formed on the left second blocking wall 153 , and the first air intake hole 157 is used to communicate with the external environment to introduce air into the first air intake passage.
  • the first air outlet channel communicates with the second air intake channel 143 .
  • the left end of the bottom surface of the top wall 151 of the sleeve body 15 protrudes downwards with two positioning columns 158 to cooperate with the two positioning holes 147 of the upper base body 14 respectively, mainly to allow the first air inlet hole on the left side of the sleeve body 15 to 157 can be accurately located on the left side of the combination of the upper base body 112 and the lower base body 111 to ensure that it is communicated with the first air intake passage and play a fool-proof function.
  • the liquid storage bin 20 includes a housing 21 with an air outlet 210 and an air flow channel 22 disposed in the housing 21 and communicating with the air outlet 210 .
  • the casing 21 includes a liquid storage part 211 and a sleeve part 212 connected to the liquid storage part 211.
  • a liquid storage chamber 23 is formed between the liquid storage part 211 and the airflow duct 22.
  • the liquid storage chamber 23 includes a The liquid outlet 230 , the sleeve portion 212 is connected to the peripheral edge of the liquid outlet 230 , and is used to be tightly sleeved on the atomization assembly 10 .
  • a step 213 is formed between the inner wall of the sleeve part 212 and the inner wall of the liquid storage part 211 , and the step 213 abuts against the top surface of the atomization assembly 10 .
  • the sleeve portion 212 is integrally formed with the liquid storage portion 211 .
  • the air outlet 210 may be set in a flat trumpet shape as a suction nozzle.
  • the airflow pipe 22 extends from the air outlet 210 to the liquid outlet 230 , and the end extends into the sleeve portion 212 , inserted into the air outlet 156 of the casing 15 , and communicates with the second air outlet 146 .
  • the left and right sides of the socket part 212 are also provided with second air inlet holes 2120, wherein the second air inlet hole 2120 on the left side communicates with the first air inlet hole 157 of the sleeve body 15, so that the casing 21 can External air enters into the first air intake channel formed by the sleeve body 15 and the lower seat body 11 .
  • the housing 21 is arranged symmetrically as a whole to facilitate assembly; because, if only one side has the second air inlet 2120, workers need to add whether the second air inlet 2120 is at the same level as the first air inlet 157 when assembling. Side judgment steps.
  • the socket part 212 is also formed with locking grooves 2122 on the left and right sides of the inner walls to respectively match with the hooks 1112 of the lower base 111 , so that the housing 21 and the lower base 111 can be snapped together conveniently.
  • Fig. 12 shows the atomization core 12 in some other embodiments of the present invention, and the atomization core 12 can be used as a substitute for the above atomization core 12v.
  • the atomizing core 12 may include a porous body 121 and a heating element 122 disposed on the bottom surface of the porous body 121 .
  • the porous body 121 may include a sintered porous ceramic body in some embodiments, which is used to absorb a liquid aerosol-generating substrate as an absorbent.
  • the heating element 122 is a heating film bonded to the surface of the porous body 121 by means of silk screen printing, which may include a first heating part 1221 , a second heating part 1222 and a third heating part 1223 .
  • the first heat generating portion 1221 may be circular in some embodiments.
  • the second heat generating portion 1222 and the third heat generating portion 1223 may be arc-shaped with equal arc radii, and are spaced and symmetrically distributed on two opposite sides of the first heat generating portion 1221 , and are connected to the second heat generating portion 1221.
  • a heating part 1221 has a common center. The ends of the second heating part 1222 and the third heating part 1223 located on different sides are respectively electrically connected to the first heating part 1221 .
  • the heating element 122 can also include a fourth heating part 1224 and a fifth heating part 1225 in some embodiments, the fourth heating part 1224 and the fifth heating part 1225 can both be strip-shaped, the fourth heating part 1224 and the fifth heating part One end of the part 1225 is respectively connected to two opposite sides of the first heating part 1221, and the other ends of the fourth heating part 1224 and the fifth heating part 1225 are respectively connected to the above-mentioned ends of the second heating part 1222 and the third heating part 1223, Thus, the electrical connection between the second heating part 1222 and the third heating part 1223 and the first heating part 1221 is realized.
  • the heating element 122 may further include a first electrode connection part 1226 for connecting with a first electrode lead and a second electrode connection part 1227 for connecting with a second electrode lead.
  • the first electrode connecting portion 1226 and the second electrode connecting portion 1227 are respectively arranged at two opposite sides of the first heating portion 1221 at intervals, and are respectively connected to the other ends of the second heating portion 1222 and the third heating portion 1223 .
  • the first electrode connecting portion 1226 and the second electrode connecting portion 1227 may be in the shape of a rectangle, and are arranged in parallel and at intervals on two opposite sides of the heating portion of the heating element 122 .
  • the heating part of the heating element 122 adopts a more reasonable arc shape as a whole, which greatly reduces the adverse effects of thermal stress on the heating element 122 .
  • the central area of the heating element 122 adopts a circular shape with a large arc radius, which reduces the temperature concentration phenomenon in the central area; higher.
  • Fig. 14 shows an atomizing core 12a in some other embodiments of the present invention, and the atomizing core 12a can be used as a substitute for the above atomizing core 12.
  • the atomizing core 12a may include a porous body 121a and a heating element 122a disposed on the bottom surface of the porous body 121a.
  • the porous body 121a may include a sintered porous ceramic body in some embodiments, which is used to absorb a liquid aerosol-generating substrate as a liquid absorber.
  • the heating element 122a is a heating film bonded to the surface of the porous body 121a by means of silk screen printing, which may include a first heating part 1221a, a second heating part 1222a, and a third heating part 1223a.
  • the first heat generating portion 1221a may be circular in some embodiments.
  • the second heat generating portion 1222a and the third heat generating portion 1223a may be arc-shaped with equal arc radii, and are distributed symmetrically on two opposite sides of the first heat generating portion 1221a at intervals, and are connected to the second heat generating portion 1221a.
  • a heat generating portion 1221a has a common center. The ends of the second heat generating portion 1222a and the third heat generating portion 1223a on different sides are respectively electrically connected to the first heat generating portion 1221a.
  • the heating element 122a may also include a fourth heating portion 1224a and a fifth heating portion 1225a in some embodiments, the fourth heating portion 1224a and the fifth heating portion 1225a may both be strip-shaped, and the fourth heating portion 1224a and the fifth heating portion One end of the part 1225a is respectively connected to two opposite sides of the first heating part 1221a, and the other ends of the fourth heating part 1224a and the fifth heating part 1225a are respectively connected to the above-mentioned ends of the second heating part 1222a and the third heating part 1223a, Thus, the electrical connection between the second heating part 1222a, the third heating part 1223a and the first heating part 1221a is realized.
  • the heating element 122a may further include a first electrode connection part 1226a for connecting with a first electrode lead and a second electrode connection part 1227a for connecting with a second electrode lead.
  • the first electrode connecting portion 1226a and the second electrode connecting portion 1227a are respectively disposed at two opposite sides of the first heat generating portion 1221a at intervals, and are respectively connected to the other ends of the second heat generating portion 1222a and the third heat generating portion 1223a.
  • the first electrode connection part 1226a and the second electrode connection part 1227a may be rectangular in some embodiments, and are arranged in parallel and at intervals on two opposite sides of the heating part of the heating element 122a.
  • the heating part of the heating element 122a adopts a more reasonable arc shape as a whole, which greatly reduces the adverse effects of thermal stress on the heating element 122a.
  • the central heating area of the heating element 122a adopts a circular shape with a large arc radius, which reduces the temperature concentration phenomenon in the central area; rate is higher.

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  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Resistance Heating (AREA)

Abstract

一种电子雾化装置及其雾化器(1)和雾化芯（12v），雾化芯（12v）包括吸液体（121v）以及设置于吸液体（121v）上的加热元件（122v）。加热元件（122v）包括第一发热部（1221）以及圆弧形第二发热部（1222）和圆弧形第三发热部（1223）；第二发热部（1222）和第三发热部（1223）间隔地分布于第一发热部（1221）的两相对侧且共圆；第二发热部（1222）和第三发热部（1223）的一端分别与第一发热部（1221）电性连接。加热元件（122v）采用更为合理的圆弧形，减小了热应力对发热元件的不利影响；加热元件（122v）中心区域采用圆弧半径较大的圆形，降低了中心区域的温度集中现象；加热元件（122v）的发热区间距一致性好，发热面面积大，热利用率高。

Description

电子雾化装置及其雾化器和雾化芯 技术领域
本发明涉及一种雾化装置，更具体地说，涉及一种电子雾化装置及其雾化器和雾化芯。
 背景技术
相关技术中的用于吸食气溶胶的电子雾化装置包括陶瓷雾化芯，雾化芯包括用于吸液的陶瓷多孔体以及结合于该陶瓷多孔体表面用于加热雾化的加热元件。已有的陶瓷雾化芯的加热元件一般通过嵌入发热丝、发热片或印制发热膜的方式来实现。其中，发热元件布局基本采用S型，在发热元件工作状态下，热量集中区在S型发热元件中心区域，而两侧直线段区域外侧温度较低；在冷热循环下，由于温度场差异较大产生的热应力会导致加热元件产生裂纹或者形变现象，另一方面，局部高温区域也加重了污垢的集中，大大降低雾化芯的使用寿命；并加大安全性风险。
 技术问题
本发明要解决的技术问题在于，提供一种改进的电子雾化装置及其雾化器和雾化芯。
 技术解决方案
为解决上述技术问题，本发明提供了一种雾化芯，用于电子雾化装置，包括吸液体以及设置于该吸液体上的加热元件；该加热元件包括第一发热部以及圆弧形第二发热部和圆弧形第三发热部；所述第二发热部和所述第三发热部间隔地分布于所述第一发热部的两相对侧，且共圆；所述第二发热部和所述第三发热部的一端分别与所述第一发热部电性连接。
在一些实施例中，所述第二发热部和所述第三发热部不同侧的一端分别与所述第一发热部电性连接。
在一些实施例中，所述第二发热部和所述第三发热部对称地分布于所述第一发热部的所述两相对侧。
在一些实施例中，所述第一发热部呈圆环形或圆形，且与所述第二发热部和所述第三发热部共圆心。
在一些实施例中，所述加热元件包括包括第四发热部和第五发热部，所述第四发热部和所述第五发热部的一端分别连接于所述第一发热部的两相对侧，所述第四发热部和第五发热部的另一端分别与所述第二发热部和所述第三发热部的所述一端相连接，以实现所述第二发热部和所述第三发热部与所述第一发热部的电性连接。
在一些实施例中，所述第四发热部和所述第五发热部均呈条状。
在一些实施例中，所述加热元件包括第一电极连接部以及第二电极连接部，所述第一电极连接部和所述第二电极连接部分别间隔地设置于所述第一发热部的另两相对侧，并分别与所述第二发热部和所述第三发热部的另一端相连接。
在一些实施例中，所述第一电极连接部和所述第二电极连接部均呈长方形，并平行间隔布置于所述第二发热部和所述第三发热部的所述另两相对侧。
在一些实施例中，所述吸液体为多孔体。
在一些实施例中，所述多孔体为陶瓷多孔体。
在一些实施例中，所述加热元件为印刷于所述多孔体表面的发热膜。
还提供一种雾化器，包括储液仓、气流通道和雾化腔，所述雾化腔位于所述气流通道的路径上，所述储液仓用于储存气溶胶生成基质，该雾化器还包括上述任一项所述的雾化芯，所述雾化芯设在所述雾化腔，以雾化来自所述储液仓的气溶胶生成基质。
还提供一种电子雾化装置，包括电源和控制电路，该电子雾化装置还包括上述的雾化器，所述电源与所述雾化器的所述发热元件电连接，所述控制电路控制所述电源给所述发热元件提供电能。
 有益效果
本发明的有益效果：加热元件的发热部整体采用更为合理的圆弧形方式，大大减小了热应力对发热元件的不利影响。加热元件中心区域采用圆弧半径较大的圆形，降低了中心区域的温度集中现象；加热元件的发热区间距一致性好，发热面面积更大，热利用率更高。
 附图说明
下面将结合附图及实施例对本发明作进一步说明，附图中：
图1是本发明一些实施例中的电子雾化装置的立体结构示意图。
图2是图1所示电子雾化装置的立体分解结构示意图。
图3是图1所示电子雾化装置的雾化器的立体分解结构示意图。
图4是图1所示电子雾化装置的雾化器进一步细分解的立体分解结构示意图。
图5是图1所示电子雾化装置的雾化器的平面分解结构示意图。
图6是图1所示电子雾化装置的雾化器的总剖面分解结构示意图。
图7是图1所示电子雾化装置的雾化器的纵向剖面组合结构示意图。
图8是图1所示雾化芯的立体结构示意图。
图9是图8所示雾化芯底部朝上时的立体结构示意图。
图10是图8所示雾化芯底部朝上时的平视图。
图11是图8所示雾化芯的加热元件的热场分布图。
图12是本发明另一些实施例中的雾化芯底部朝上时的平视图。
图13是图12所示雾化芯的加热元件的热场分布图。
图14是本发明再一些实施例中的雾化芯底部朝上时的平视图。
图15是图14所示雾化芯的加热元件的热场分布图。
 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。
图1及图2示出了本发明一些实施例中的电子雾化装置，该电子雾化装可用于吸食气溶胶，其在一些实施例中可呈扁平柱状，其可包括雾化器1以及与该雾化器1可拆卸地连接的电池装置2，该雾化器1用于收容烟油并生成烟雾，该电池装置2用于给雾化器1供电。如图所示，该雾化器1的下端插置于电池装置2的上端，且两者可通过磁吸的方式相结合。可以理解地，电子雾化装置在一些实施例中也可以呈圆柱状等其他形状，且雾化器1与电池装置2也可以不可拆卸。
如图3所示，该雾化器1在一些实施例中可包括雾化组件10以及套接在该雾化组件10上的储液仓20。雾化组件10可用于对液态气溶胶生成基质进行加热雾化，储液仓20可用于存储液态气溶胶生成基质，以供应给雾化组件10。
一同参阅图4至图7，该雾化组件10包括下座体11、设置于该下座体11上的雾化芯12v、套设于该雾化芯12v上的密封套13、设置于该下座体11上并抵压在密封套13上的上座体14以及套设在上座体14上的套体15。上座体14抵压在密封套13上后，将雾化芯12v紧密地夹持在下座体11和上座体14之间，密封套13的存在可以实现雾化芯12v与上座体14之间的密封，防止漏液；还可以使雾化芯12v在水平方向上的定位更加紧密。
下座体11在一些实施例中可包括基座111、立于该基座111顶面的第一支撑臂112、立设于基座111顶面且与第一支撑臂112相对设置的第二支撑臂113。雾化芯12v支撑于该第一支撑臂112和该第二支撑臂113之间，其雾化面1211v正对基座111，且与基座111具有一定的间隔，该间隔形成雾化腔110，用于实现烟雾与空气的混合。
基座111在一些实施例可呈矩形平板状，其底面内凹形成有两个容置槽1110，以供两个磁吸元件16分别容置于其中，该磁吸元件16用于将该雾化器1与电池装置2磁吸在一起。基座111的两相对端面上还分别设有用来与储液仓20卡扣连接的卡勾1112。基座111的底部还可以设置与雾化芯12v电性连接的两个电极柱1114，用于分别与电池装置2的正负极电连接。
该第一支撑臂112和该第二支撑臂113在一些实施例中可呈板状。第一支撑臂112和第二支撑臂113的内侧面还设有分别凹陷形成有收容槽1122、1132，以供上座体14的嵌套部142嵌置于其中。收容槽1122、1132形成于第一支撑臂112和第二支撑臂113的上半部，并分别在第一支撑臂112和第二支撑臂113上形成有台阶1126、1136。雾化芯12v的两端分别搭接在台阶1126、1136上。第一支撑臂112和第二支撑臂113的顶端外侧还分别设有用于与上座体14卡扣的卡合部1122、1132。在一些实施例中，第一支撑臂112和第二支撑臂113呈左右对称设置，以方便组装；也即组装时，组装人员可以不用先分辨哪端是左，哪端是右。
下座体11在一些实施例中还可包括U型的进气槽结构114和U型的出气槽结构115，进气槽结构114和出气槽结构115分别连接于第一支撑臂112和第二支撑臂113的外侧，并均水平向外延伸。该第一支撑臂112上形成有将进气槽结构114与雾化腔110相连通的通孔1120，该第二支撑臂113上形成有将出气槽结构115与雾化腔110相连通的通孔1130，以引入空气将雾化腔110中的烟气带走；通孔1120、1130分别位于收容槽1122、1132的下方。
一同参阅图8至图10，该雾化芯12v在一些实施例中可包括多孔体121v以及设置于多孔体121v底面的加热元件122v。多孔体121v在一些实施例中可包括烧结式多孔陶瓷体，用于吸取液态气溶胶生成基质，作为吸液体。加热元件122v在一些实施例中可包括用于与第一电极引线相连接的第一电极连接部1221v、用于第二电极引线相连接的第二电极连接部1222v以及设置于该第一电极连接部1221v和第二电极连接部1222v之间的发热部1223v。发热部1223v具有较大的电阻，电流通过时能够发热。第一电极连接部1221v和第二电极连接部1222v具有较小的电阻，主要用于电连接。发热部1223v在一些实施例中可呈长条状，并多次弯曲转向以尽可能均匀分布于多孔体121v的底面，从而实现热量的均匀分布，如图11所示。
上座体14在一些实施例中可包括大致呈长方体的主体部141、由主体部141的底面中部向下伸出的嵌套部142以及由主体部141的底面右端部向下伸出的第二进气通道143。该嵌套部142呈环形，其容置于下座体111的第一支撑臂112和第二支撑臂113之间的收容槽1122、1132中，并套设在密封套13外围。上座体14还包括两个由主体部141的顶面延伸至底面的液体通道144、形成于侧壁上的环绕右侧液体通道144且与第二进气通道143相连通的槽道145以及与槽道145相连通的第二出气通道146，第二出气通道146由上座体14的顶面中部贯穿连通至槽道145。上座体14的顶面左端还向下凹陷形成两个定位孔147，以与套体15相配合，起到定位和防呆的功能。上座体14还包括向下伸出的卡勾148，以勾扣在下座体11上。
套体15在一些实施例中可为硅胶套，其可包括顶壁151、由顶壁151周缘向下延伸的环状第一挡壁152以及分别自第一挡壁152的两端向下伸出的两个U型第二挡壁153和154。顶壁151上形成有两个进液孔155以及一个套体出气通道156，该两个进液孔155分别与上座体14的两个液体通道144对应，该套体出气通道156插设于上座体14的第二出气通道146中，与第二出气通道146相连通。第一挡壁152用于包覆在上座体112的主体部141的侧壁上，覆盖在侧壁上的槽道145，形成一个密闭的环形上座体连接通道。第二挡壁153和154分别覆盖在下座体111的进气槽结构1114和出气槽结构1115上，与第一支撑臂1112和第二支撑臂115一道分别形成密闭的第一进气通道和第一出气通道。左侧第二挡壁153上形成有一个第一进气孔157，该第一进气孔157用于与外界环境相连通，以将空气引入该第一进气通道。该第一出气通道与第二进气通道143相连通。套体15的顶壁151底面的左端向下伸出有两个定位柱158，以分别与上座体14的两个定位孔147配合，主要是为了让套体15左侧的第一进气孔157能够准确地位于上座体112和下座体111的组合体的左侧，保证其与第一进气通道是连通的，起到防呆功能。
储液仓20包括带有出气口210的壳体21以及设置于壳体21中且与该出气口210相连通的气流管道22。该壳体21包括储液部211以及与该储液部211相连接的套接部212，该储液部211与该气流管道22之间形成有储液腔23，该储液腔23包括一个出液口230，该套接部212连接于该出液口230的周缘，用于紧密地套接在雾化组件10上。套接部212的内壁面与储液部211的内壁面之间形成有一个台阶213，该台阶213抵靠在雾化组件10的顶面上。在一些实施例中，该套接部212与该储液部211一体成型。出气口210处可以被设置呈扁平的喇叭状作为吸嘴。
该气流管道22由出气口210朝出液口230延伸，且末端延伸至套接部212内，插置在套体15的出气孔156中，进而与该第二出气通道146相连通。该套接部212的左右两侧上还设有第二进气孔2120，其中左侧的第二进气孔2120与套体15的第一进气孔157相连通，从而可以让壳体21外部的空气进入套体15与下座体11形成的第一进气通道内。优选地，壳体21整体呈对称设置，以方便组装；因为，如果只有一侧有第二进气孔2120，工人组装时需要增加第二进气孔2120是否与第一进气孔157处于同一侧的判断步骤。该套接部212的左右两侧内壁面上还形成有卡槽2122，以分别与下座体111的卡勾1112相配合，让壳体21与下座体111能够方便地卡扣在一起。
图12示出了本发明另一些实施例中的雾化芯12，该雾化芯12可作为上述雾化芯12v的一个替代。如图12所示，该雾化芯12在一些实施例中可包括多孔体121以及设置于多孔体121底面的加热元件122。该多孔体121在一些实施例中可包括烧结式多孔陶瓷体，其用于吸取液态气溶胶生成基质，作为吸液体。
该加热元件122在一些实施例中为采用丝印等方式结合于多孔体121表面的发热膜，其可包括第一发热部1221以及第二发热部1222和第三发热部1223。该第一发热部1221在一些实施例中可呈圆环形。该第二发热部1222和第三发热部1223在一些实施例可呈圆弧半径相等的圆弧形，并间隔地、对称地分布于该第一发热部1221的两相对侧，且与该第一发热部1221共圆心。该第二发热部1222和第三发热部1223位于不同侧的一端分别与该第一发热部1221电性连接。
该加热元件122在一些实施例中还可包括第四发热部1224和第五发热部1225，第四发热部1224和第五发热部1225可均呈条状，第四发热部1224和第五发热部1225的一端分别连接于第一发热部1221的两相对侧，第四发热部1224和第五发热部1225的另一端分别与第二发热部1222和第三发热部1223的上述一端相连接，从而实现第二发热部1222和第三发热部1223与第一发热部1221的电性连接。
该加热元件122在一些实施例中还可包括用于与第一电极引线相连接的第一电极连接部1226以及用于第二电极引线相连接的第二电极连接部1227。第一电极连接部1226和第二电极连接部1227分别间隔地设置于第一发热部1221的另两相对侧，并分别与第二发热部1222和第三发热部1223的另一端相连接。第一电极连接部1226和第二电极连接部1227在一些实施例中可呈长方形，并平行间隔布置于加热元件122的发热部的两相对侧。
上述加热元件122的发热部整体采用更为合理的圆弧形方式，大大减小了热应力对发热元件122的不利影响。如图13所示，加热元件122中心区域采用圆弧半径较大的圆形，降低了中心区域的温度集中现象；加热元件122的发热区间距一致性好，发热面面积更大，热利用率更高。
图14示出了本发明再一些实施例中的雾化芯12a，该雾化芯12a可作为上述雾化芯12的一个替代。如图14所示，该雾化芯12a在一些实施例中可包括多孔体121a以及设置于多孔体121a底面的加热元件122a。该多孔体121a在一些实施例中可包括烧结式多孔陶瓷体，其用于吸取液态气溶胶生成基质，作为吸液体。
该加热元件122a在一些实施例中为采用丝印等方式结合于多孔体121a表面的发热膜，其可包括第一发热部1221a以及第二发热部1222a和第三发热部1223a。该第一发热部1221a在一些实施例中可呈圆形。该第二发热部1222a和第三发热部1223a在一些实施例可呈圆弧半径相等的圆弧形，并间隔地、对称地分布于该第一发热部1221a的两相对侧，且与该第一发热部1221a共圆心。该第二发热部1222a和第三发热部1223a位于不同侧的一端分别与该第一发热部1221a电性连接。
该加热元件122a在一些实施例中还可包括第四发热部1224a和第五发热部1225a，第四发热部1224a和第五发热部1225a可均呈条状，第四发热部1224a和第五发热部1225a的一端分别连接于第一发热部1221a的两相对侧，第四发热部1224a和第五发热部1225a的另一端分别与第二发热部1222a和第三发热部1223a的上述一端相连接，从而实现第二发热部1222a和第三发热部1223a与第一发热部1221a的电性连接。
该加热元件122a在一些实施例中还可包括用于与第一电极引线相连接的第一电极连接部1226a以及用于第二电极引线相连接的第二电极连接部1227a。第一电极连接部1226a和第二电极连接部1227a分别间隔地设置于第一发热部1221a的另两相对侧，并分别与第二发热部1222a和第三发热部1223a的另一端相连接。第一电极连接部1226a和第二电极连接部1227a在一些实施例中可呈长方形，并平行间隔布置于加热元件122a的发热部的两相对侧。
上述加热元件122a的发热部整体采用更为合理的圆弧形方式，大大减小了热应力对发热元件122a的不利影响。如图15所示，加热元件122a中心发热区域采用圆弧半径较大的圆形，降低了中心区域的温度集中现象；加热元件122a的发热区间距一致性好，发热面面积更大，热利用率更高。
上述的不同实施例提供的发热元件的方案对比如下表所示，从表中可以看出，发热元件122v和发热原件122a的各参数性能均更加优异。
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 (13)

  1. 一种雾化芯，用于电子雾化装置，包括吸液体以及设置于该吸液体上的加热元件；其特征在于，该加热元件包括第一发热部以及圆弧形第二发热部和圆弧形第三发热部；所述第二发热部和所述第三发热部间隔地分布于所述第一发热部的两相对侧，且共圆心；所述第二发热部和所述第三发热部的一端分别与所述第一发热部电性连接。
  2. 根据权利要求1所述的雾化芯，其特征在于，所述第二发热部和所述第三发热部不同侧的一端分别与所述第一发热部电性连接。
  3. 根据权利要求1所述的雾化芯，其特征在于，所述第二发热部和所述第三发热部对称地分布于所述第一发热部的所述两相对侧。
  4. 根据权利要求1所述的雾化芯，其特征在于，所述第一发热部呈圆环形或圆形，且与所述第二发热部和所述第三发热部共圆心。
  5. 根据权利要求1所述的雾化芯，其特征在于，所述加热元件包括包括第四发热部和第五发热部，所述第四发热部和所述第五发热部的一端分别连接于所述第一发热部的两相对侧，所述第四发热部和第五发热部的另一端分别与所述第二发热部和所述第三发热部的所述一端相连接，以实现所述第二发热部和所述第三发热部与所述第一发热部的电性连接。
  6. 根据权利要求5所述的雾化芯，其特征在于，所述第四发热部和所述第五发热部均呈条状。
  7. 根据权利要求1所述的雾化芯，其特征在于，所述加热元件包括第一电极连接部以及第二电极连接部，所述第一电极连接部和所述第二电极连接部分别间隔地设置于所述第一发热部的另两相对侧，并分别与所述第二发热部和所述第三发热部的另一端相连接。
  8. 根据权利要求7所述的雾化芯，其特征在于，所述第一电极连接部和所述第二电极连接部均呈长方形，并平行间隔布置于所述第二发热部和所述第三发热部的所述另两相对侧。
  9. 根据权利要求1所述的雾化芯，其特征在于，所述吸液体为多孔体。
  10. 根据权利要求9所述的雾化芯，其特征在于，所述多孔体为陶瓷多孔体。
  11. 根据权利要求9所述的雾化芯，其特征在于，所述加热元件为印刷于所述多孔体表面的发热膜。
  12. 一种雾化器，包括储液仓、气流通道和雾化腔，所述雾化腔位于所述气流通道的路径上，所述储液仓用于储存气溶胶生成基质，其特征在于，包括权利要求1至11任一项所述的雾化芯，所述雾化芯设在所述雾化腔，以雾化来自所述储液仓的气溶胶生成基质。
  13. 一种电子雾化装置，包括电源和控制电路，其特征在于，包括权利要求12所述的雾化器，所述电源与所述雾化器的所述发热元件电连接，所述控制电路控制所述电源给所述发热元件提供电能。
PCT/CN2022/139404 2022-02-09 2022-12-15 电子雾化装置及其雾化器和雾化芯 WO2023151383A1 (zh)

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