WO2021179195A1 - 一种基于贴片式电容的电子烟芯片及电子烟 - Google Patents

一种基于贴片式电容的电子烟芯片及电子烟 Download PDF

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Publication number
WO2021179195A1
WO2021179195A1 PCT/CN2020/078717 CN2020078717W WO2021179195A1 WO 2021179195 A1 WO2021179195 A1 WO 2021179195A1 CN 2020078717 W CN2020078717 W CN 2020078717W WO 2021179195 A1 WO2021179195 A1 WO 2021179195A1
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WIPO (PCT)
Prior art keywords
capacitor
electronic cigarette
pcb board
housing
detection circuit
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PCT/CN2020/078717
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English (en)
French (fr)
Inventor
程晓钟
程彦绪
程露
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深圳市驰泰电子科技有限公司
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Priority to PCT/CN2020/078717 priority Critical patent/WO2021179195A1/zh
Publication of WO2021179195A1 publication Critical patent/WO2021179195A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G5/00—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture
    • H01G5/01—Details
    • H01G5/011—Electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G5/00—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture
    • H01G5/01—Details
    • H01G5/014—Housing; Encapsulation

Definitions

  • the invention relates to the technical field of electronic cigarettes, and more specifically, to an electronic cigarette chip based on a patch capacitor and an electronic cigarette.
  • Electronic cigarettes usually atomize the e-liquid through an atomizer for use by the user.
  • atomizer for use by the user.
  • tar and other harmful substances to the body are removed, and the harm to the human body is eliminated.
  • the chip capacitor in the existing electronic cigarette chip usually has two pins connected to the capacitor. When the electronic cigarette is combined, the two pins need to be aligned and soldered on the PCB board, which is cumbersome in the assembly process. The work intensity of the installer is increased, and the production efficiency of electronic cigarettes is reduced.
  • the chip capacitors in the existing electronic cigarette chips are usually integrated with the capacitance detection circuit. When the height of the capacitor casing needs to be reduced, the copper The height of the ring will cause the risk of contact between the capacitance detection circuit and the diaphragm in the housing, which affects the performance of the electronic cigarette.
  • the technical problem to be solved by the present invention is to provide an electronic cigarette chip and electronic cigarette based on a chip capacitor in view of the above-mentioned defects of the prior art.
  • An electronic cigarette chip based on a chip capacitor which includes a capacitor, a first PCB board and a capacitor detection circuit; the capacitor detection circuit is mounted on the first PCB board; the capacitor is attached to the first The opposite side of the PCB board to the capacitance detection circuit; the capacitor includes a housing and a conductive component arranged in the housing; the conductive component is provided with a positive contact and a first negative contact for patch assembly The positive contact and the first negative contact are electrically connected to the capacitance detection circuit.
  • the conductive component includes a second PCB board, a copper ring, and a diaphragm; the positive electrode contact piece and the first negative electrode contact piece are both arranged on the second PCB board; one end of the copper ring is connected to the The positive electrode contact is electrically connected, and the other end is electrically connected to the diaphragm; a cavity is formed between the diaphragm and the second PCB board.
  • the conductive component further includes a pole plate; the pole plate is arranged on the inner bottom of the housing.
  • the second PCB board is provided with a second negative electrode contact piece electrically connected to the first negative electrode contact piece, and the pole plate is electrically connected to the second negative electrode contact piece through the housing.
  • the housing includes a top cover and a base; the second PCB board, the positive electrode unit, and the negative electrode unit are all arranged in the base; the top cover is installed on the base.
  • the pole plate, the diaphragm, the copper ring, and the second PCB board are arranged in the base in sequence; the top cover is pressed and assembled on the base close to the PCB One end of the plate; the top cover and the base form a conductor to electrically connect the second negative electrode contact with the pole plate.
  • an insulating gasket is provided between the electrode plate and the diaphragm.
  • the electrode plate is provided with a plurality of air holes for air flow
  • the second PCB board is correspondingly provided with pressure relief holes.
  • the copper ring is located in the housing; an insulating ring is provided between the copper ring and the inner side wall of the housing.
  • the present invention provides an electronic cigarette based on a chip capacitor, which includes a battery and a heating wire, and also includes the electronic cigarette chip as described in any one of the foregoing.
  • the beneficial effect of the present invention is that by installing a capacitance detection circuit on one side of the first PCB board and a capacitor on the other side of the first PCB board, the capacitance detection circuit is separated from the capacitance, and the capacitance detection circuit is not provided in the capacitor.
  • the capacitor detection circuit will not contact the diaphragm inside the capacitor to ensure that the performance of the electronic cigarette is not affected; the capacitor is directly attached to the first PCB board without soldering the capacitor, which simplifies the electronic cigarette Combining processes reduces the work intensity of installers and improves the production efficiency of electronic cigarettes.
  • FIG. 1 is a schematic structural diagram of an electronic cigarette based on a chip capacitor in another embodiment of the present invention
  • FIG. 2 is a schematic front view of an electronic cigarette chip based on a chip capacitor in a preferred embodiment of the present invention
  • FIG. 3 is a schematic rear view of an electronic cigarette chip based on a chip capacitor in a preferred embodiment of the present invention
  • FIG. 4 is a schematic diagram of the internal structure of a capacitor in a preferred embodiment of the present invention.
  • Fig. 5 is an enlarged schematic diagram of A in Fig. 4 in a preferred embodiment of the present invention.
  • Fig. 6 is a schematic diagram of the structure of a capacitor in a preferred embodiment of the present invention.
  • an electronic cigarette chip based on a chip capacitor which includes a capacitor 1, a first PCB board 2 and a capacitance detection circuit 3; the capacitance detection circuit 3 is mounted on On the first PCB board 2; the capacitor 1 is attached to the opposite side of the capacitor detection circuit 3 on the first PCB board 2; the capacitor 1 includes a cylindrical housing 11 and conductive components arranged in the housing 11; the conductive components are provided with The positive contact 121 and the first negative contact 122 are assembled in SMD; both the positive contact 121 and the first negative contact 122 are electrically connected to the capacitance detection circuit 3; wherein, the housing 11 is made of magnesium-aluminum alloy, which is conductive Capacitance detection circuit 3 is a detection chip, used to detect changes in the capacitance value of capacitor 1, and when the capacitance value changes, send an open signal to the drive circuit in the electronic cigarette chip; capacitor 1 is directly attached to the first PCB board 2, the positive contact 121
  • the conductive component includes a second PCB board 12, a copper ring 13 and a diaphragm 14; the positive electrode contact 121 and the first negative electrode contact 122 are both arranged on the second PCB board 12; one end of the copper ring 13 is connected to The positive contact 121 is electrically connected, and the other end is electrically connected to the diaphragm 14; a cavity 18 is formed between the diaphragm 14 and the second PCB board 12; the positive contact 121, the copper ring 13, and the diaphragm 14 constitute the positive conductor of the capacitor 1.
  • the positive contact 121 and the copper ring 13 are electrically connected by a copper sheet arranged on the inner side of the second PCB board 12; a cavity 18 is formed between the diaphragm 14 and the second PCB board 12.
  • the detection circuit 3 is externally mounted on the first PCB board 2, so the distance between the capacitance detection circuit 3 and the diaphragm 14 will not change. When the height of the housing 11 and the height of the copper ring 13 are reduced, the capacitance detection circuit 3 will not be The diaphragm 14 is in contact to ensure that the performance of the electronic cigarette is not affected.
  • the conductive component further includes an electrode plate 15; the electrode plate 15 is arranged at the inner bottom of the housing 11; the electrode plate 15 is connected to the housing 11 and is connected as a negative electrode. The role of.
  • the second PCB board 12 is provided with a second negative contact 123 electrically connected to the first negative contact 122, and the pole plate 15 is electrically connected to the second negative contact 123 through the housing 11;
  • the negative pole contact 122, the second negative pole contact 123, the housing 11 and the pole plate 15 constitute the negative pole of the capacitor 1.
  • the first negative pole contact 122 and the second negative pole contact 123 are arranged on the inner side of the second PCB board 12
  • the copper strips are electrically connected.
  • the housing 11 includes a top cover 111 and a base 112; the second PCB board 12, the positive unit and the negative unit are all arranged in the base 112; the top cover 111 is installed on the base 112; the pole plate 15 is installed on the base On 112, the top cover 111 is in contact with the second negative electrode contact 123, and forms the negative electrode of the chip capacitor with the electrode plate 15, the base 112, the first negative contact 122 and the second negative contact 123.
  • the pole plate 15, the diaphragm 14, the copper ring 13, and the second PCB board 12 are arranged in the base 112 in sequence; the top cover 111 is pressed and assembled on the base 112 close to the second PCB board 12. One end; the top cover 111 and the base 112 form a conductor to electrically connect the second negative contact 123 with the electrode plate 15; when assembling the chip capacitor, the electrode plate 15, the diaphragm 14, the copper ring 13, and the second The PCB board 12 is sequentially loaded into the base 112, and then the top cover 111 is covered, and the top cover 111 and the end of the base 112 close to the second PCB board 12 are pressed and fixed to complete the combination of the capacitor 1.
  • the second PCB board 12 is provided with bumps 19, the positive contact 121 and the first negative contact 122 are provided on the bumps 19, and the first negative contact 122 is located outside the positive contact 121.
  • the positive contact 121 and the first negative contact 122 on the bump 19 can better fit the pins of the detection chip, simplifying the e-cigarette assembly process, reducing the strength of the staff, and improving The production efficiency of e-cigarettes.
  • an insulating gasket 16 is provided between the electrode plate 15 and the diaphragm 14; since the positive electrode contact 121, the copper ring 13 and the diaphragm 14 constitute the positive electrode of the capacitor 1, the electrode plate 15, the housing 11, the first A negative electrode contact piece 122 and a second negative electrode contact piece 123 constitute the negative electrode of the capacitor 1. When the positive electrode contacts the negative electrode, the capacitor 1 will be short-circuited.
  • the insulating gasket 16 separates the electrode plate 15 from the diaphragm 14 to prevent the positive electrode and the negative electrode. Contact causes a short circuit in the capacitor.
  • the electrode plate 15 is provided with a plurality of air holes 151 for air flow
  • the second PCB board 12 is provided with a pressure relief hole 124; when the user smokes the electronic cigarette, the air flow flows from the air hole After 151 passes, the diaphragm 14 is subject to the change of the airflow, and the distance between the diaphragm 14 and the electrode plate 15 becomes smaller.
  • the capacitance value of the chip capacitor increases.
  • the capacitance detection circuit 3 detects that the capacitance value has changed, which will affect the heat in the electronic cigarette chip.
  • the wire drive circuit outputs an open signal, and the heating wire of the electronic cigarette heats up to produce smoke to achieve the effect of smoking.
  • the pressure relief hole 124 is used to discharge part of the gas in the cavity 18 when the airflow changes in the capacitor 1, so as to balance the capacitor 1. The air pressure inside.
  • the copper ring 13 is located in the housing 11; an insulating ring 17 is provided between the copper ring 13 and the inner side wall of the housing 11; the copper ring 13 is coaxially arranged with the housing 11, because the positive contact 121, the copper ring 13 and the diaphragm 14 constitute the positive electrode of the capacitor, while the first negative contact 122, the second negative contact 123, the housing 11 and the electrode plate 15 constitute the negative electrode of the capacitor.
  • a short circuit will occur.
  • the insulating ring 17 may not be provided between the copper ring 11 and the inner side wall of the housing 13;
  • an insulating ring 17 needs to be provided between the copper ring 13 and the inner side wall of the casing 11 to prevent the positive electrode and the negative electrode of the capacitor 1 from contacting and causing a short circuit to ensure that the electronic cigarette can be used normally.
  • the present invention also provides an electronic cigarette based on a chip capacitor, which includes a battery 4 and a heating wire 5, and also includes an electronic cigarette chip as described in any one of the foregoing;
  • a PCB board 2 is provided with corresponding copper contacts, and the heating wire 5 and the battery 4 are respectively connected to the corresponding copper contacts to realize electrical connection with the first PCB 2.
  • the heating wire drive circuit inside outputs an open signal. After receiving the signal, the heating wire 5 starts to heat up and heats the liquid built in the e-cigarette. The liquid produces smoke to achieve the effect of smoking.
  • the battery 4 is an electronic cigarette chip and generates heat.
  • the wire 5 supplies power to separate the capacitance detection circuit 3 from the capacitance 1. There is no detection chip in the capacitance 1.
  • the detection chip When the height of the casing 11 of the capacitance 1 needs to be lowered, the detection chip will not contact the diaphragm 14 inside the capacitance 1 to ensure the electronics The performance of the cigarette is not affected; the capacitor 1 is directly attached to the first PCB board 2 without soldering the capacitor 1, which simplifies the assembly process of the electronic cigarette, reduces the work intensity of the installer, and improves the production efficiency of the electronic cigarette.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)

Abstract

一种基于贴片式电容的电子烟芯片及电子烟，包括电容（1）、第一PCB板（2）及电容检测电路（3）；电容检测电路（3）安装在第一PCB板（2）上；电容（1）贴合在第一PCB板（2）上与电容检测电路（3）相反的一面；电容（1）包括柱状的外壳（11），以及设置在外壳（11）中的导电组件；导电组件上设有用于进行贴片组装的正极接触件（121）及第一负极接触件（122）；正极接触件（121）及第一负极接触件（122）均与电容检测电路（3）电连接；将电容检测电路（3）与电容（1）分离，电容（1）内不设置电容检测电路（3），当需要降低电容（1）的外壳高度时，电容检测电路（3）不会与电容（1）内部的膜片（14）发生接触，保证电子烟的性能不受影响；无需对电容进行焊接，简化电子烟的组合工序，降低安装人员的工作强度，提高电子烟的生产效率。

Description

一种基于贴片式电容的电子烟芯片及电子烟 技术领域
本发明涉及电子烟技术领域，更具体地说，涉及一种基于贴片式电容的电子烟芯片及电子烟。
背景技术
电子烟通常是将烟液经过雾化器雾化供使用者使用，烟液在制作时，去除了焦油等危害身体的物质，消除了对于人体的危害。
现有的电子烟芯片中的贴片式电容，通常为在电容中接出两个引脚，在组合电子烟时，需要将两个引脚对准后焊接在PCB板上，组合工序繁琐，加大了安装人员的工作强度，降低了电子烟的生产效率，并且现有的电子烟芯片里的贴片式电容通常与电容检测电路集成为一体，当需要降低电容的外壳高度时，降低铜环高度会导致电容检测电路与外壳内的膜片出现接触的风险，影响了电子烟的性能。
发明内容
本发明要解决的技术问题在于，针对现有技术的上述缺陷，提供一种基于贴片式电容的电子烟芯片及电子烟。
本发明解决其技术问题所采用的技术方案是：
提供一种基于贴片式电容的电子烟芯片，包括电容、第一PCB板及电容检测电路；所述电容检测电路安装在所述第一PCB板上；所述电容贴合在所述第 一PCB板上与所述电容检测电路相反的一面；所述电容包括外壳以及设置在所述外壳中的导电组件；所述导电组件上设有用于进行贴片组装的正极接触件及第一负极接触件；所述正极接触件及第一负极接触件均与所述电容检测电路电连接。
进一步地，所述导电组件包括第二PCB板、铜环及膜片；所述正极接触件及所述第一负极接触件均设置在所述第二PCB板上；所述铜环一端与所述正极接触件电连接，另一端与所述膜片电连接；所述膜片与所述第二PCB板之间形成空腔。
进一步地，所述导电组件还包括极板；所述极板设置于所述外壳内底部。
进一步地，所述第二PCB板上设有与所述第一负极接触件电连接的第二负极接触件，所述极板通过所述外壳与所述第二负极接触件电连接。
进一步地，所述外壳包括顶盖与底座；所述第二PCB板、所述正极单元及所述负极单元均设置在所述底座中；所述顶盖安装在所述底座上。
进一步地，所述极板、所述膜片、所述铜环、所述第二PCB板依次排布设置在所述底座内；所述顶盖压紧装配于所述底座上靠近所述PCB板的一端；所述顶盖与所述底座构成一个导电体将所述第二负极接触件与所述极板电连接。
进一步地，所述极板与所述膜片之间设有绝缘垫片。
进一步地，所述极板上设有若干个用于供气流通过的气孔，所述第二PCB板上相应设置有泄压孔。
进一步地，所述铜环位于所述外壳内；所述铜环与所述外壳的内侧壁之间设有绝缘环。
本发明提供一种基于贴片式电容的电子烟，包括电池及发热丝，还包括如前述中任一项所述的电子烟芯片。
本发明的有益效果在于：通过在第一PCB板的一面安装电容检测电路，在第一PCB板的另一面安装电容，将电容检测电路与电容分离，电容内不设置电容检测电路，当需要降低电容的外壳高度时，电容检测电路不会与电容内部的膜片发生接触，保证电子烟的性能不受影响；电容直接贴合在第一PCB板上，无需对电容进行焊接，简化电子烟的组合工序，降低安装人员的工作强度，提高电子烟的生产效率。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将结合附图及实施例对本发明作进一步说明，下面描述中的附图仅仅是本发明的部分实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他附图：
图1为本发明另一实施例中的一种基于贴片式电容的电子烟的结构示意图；
图2为本发明优选实施例中的一种基于贴片式电容的电子烟芯片的主视示意图；
图3为本发明优选实施例中的一种基于贴片式电容的电子烟芯片的后视示意图；
图4为本发明优选实施例中的电容的内部结构示意图；
图5为本发明优选实施例中的图4中A处的放大示意图；
图6为本发明优选实施例中的电容的结构示意图。
具体实施方式
为了使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的技术方案进行清楚、完整的描述，显然，所描述的实施例是本发明的部分实施例，而不是全部实施例。基于本发明的实施例，本领域普通技术人员在没有付出创造性劳动的前提下所获得的所有其他实施例，都属于本发明的保护范围。
本发明较佳实施例的如图2至图6所示，提供一种基于贴片式电容的电子烟芯片，包括电容1、第一PCB板2及电容检测电路3；电容检测电路3安装在第一PCB板2上；电容1贴合在第一PCB板2上与电容检测电路3相反的一面；电容1包括柱状的外壳11，以及设置在外壳11中的导电组件；导电组件上设有用于进行贴片组装的正极接触件121及第一负极接触件122；正极接触件121及第一负极接触件122均与电容检测电路3电连接；其中，外壳11为镁铝合金材质，具有导电性，电容检测电路3为检测芯片，用于检测电容1的电容值变化，并在电容值出现变化时，向电子烟芯片内的驱动电路发出打开信号；电容1直接贴合在第一PCB板2上，正极接触件121与第一负极接触件122分别与检测芯片的引脚电连接，将电容检测电路3与电容1分离，电容1内不设置电容检测电路3，当需要降低电容1的外壳11高度时，检测芯片不会与电容1内部的膜片14发生接触，保证电子烟的性能不受影响；电容1直接贴合在第一PCB板2上，无需对电容1进行焊接，简化电子烟的组合工序，降低安装人员的工作强度，提高电子烟的生产效率。
在进一步的实施例中，导电组件包括第二PCB板12、铜环13及膜片14；正极接触件121及第一负极接触件122均设置在第二PCB板12上；铜环13一端与正极接触件121电连接，另一端与膜片14电连接；膜片14与第二PCB板12之间形成空腔18；正极接触件121、铜环13以及膜片14构成电容1的 正极导通，正极接触件121与铜环13之间通过设置在第二PCB板12朝向内侧的一侧的铜片进行电连接；膜片14与第二PCB板12之间形成空腔18，由于电容检测电路3外置在第一PCB板2上，因此电容检测电路3与膜片14之间的距离不会发生变化，在降低外壳11高度和铜环13高度时，电容检测电路3不会与膜片14发生接触，保证电子烟的性能不受影响。
在进一步的实施例中，导电组件还包括极板15；极板15设置于外壳11内底部；极板15与外壳11相连，作为负极导通，在电容1组合后，能够起到支撑受力的作用。
在进一步的实施例中，第二PCB板12上设有与第一负极接触件122电连接的第二负极接触件123，极板15通过外壳11与第二负极接触件123电连接；第一负极接触件122、第二负极接触件123、外壳11以及极板15构成电容1的负极，第一负极接触件122与第二负极接触件123通过设置在第二PCB板12朝向内侧的一侧的铜片进行电连接。
在进一步的实施例中，外壳11包括顶盖111与底座112；第二PCB板12、正极单元及负极单元均设置在底座112中；顶盖111安装在底座112上；极板15安装在底座112上，顶盖111与第二负极接触件123接触，与极板15、底座112、第一负极接触件122及第二负极接触件123构成贴片式电容的负极。
在进一步的实施例中，极板15、膜片14、铜环13、第二PCB板12依次排布设置在底座112内；顶盖111压紧装配于底座112上靠近第二PCB板12的一端；顶盖111与底座112构成一个导电体将第二负极接触件123与极板15电连接；在组合贴片式电容时，先将极板15、膜片14、铜环13、第二PCB板12依次装入底座112中，随后盖上顶盖111，将顶盖111与底座112靠近第二PCB板12的一端压紧固定，完成电容1的组合。
上述实施例中，第二PCB板12上设有凸块19，正极接触件121与第一负极接触件122设置在凸块19上，第一负极接触件122位于正极接触件121的外侧，在安装贴片式电容时，凸块19上的正极接触件121与第一负极接触件122能够更好地与检测芯片的引脚贴合，简化电子烟的组合工序，降低工作人员的强度，提高电子烟的生产效率。
在进一步的实施例中，极板15与膜片14之间设有绝缘垫片16；由于正极接触件121、铜环13以及膜片14构成电容1的正极、极板15、外壳11、第一负极接触件122与第二负极接触件123构成电容1的负极，当正极与负极接触时，电容1会出现短路，绝缘垫片16将极板15与膜片14隔开，防止正极与负极接触造成电容发生短路。
在进一步的实施例中，极板15上设有若干个用于供气流通过的气孔151，第二PCB板12上相应设置有泄压孔124；用户对电子烟有吸烟动作时，气流从气孔151通过，膜片14受到气流的变化，与极板15之间的间距变小，贴片式电容的电容值增大，电容检测电路3检测到电容值发生变化，对电子烟芯片内的发热丝驱动电路输出打开信号，电子烟的发热丝发热，产生烟雾，达到吸烟的效果，泄压孔124用于当电容1内出现气流变化时，排出部分空腔18内的气体，以平衡电容1内的气压。
在进一步的实施例中，铜环13位于外壳11内；铜环13与外壳11的内侧壁之间设有绝缘环17；铜环13与外壳11同轴设置，由于正极接触件121、铜环13以及膜片14构成电容的正极，而第一负极接触件122、第二负极接触件123、外壳11以及极板15构成电容的负极，电容1的正极与负极接触时会发生短路，当铜环13的直径远小于外壳11直径时，由于在使用过程中，外壳11与铜环13不会出现接触而造成短路，可以不在铜环11与外壳13的内侧壁 之间设置绝缘环17；当铜环13与外壳11的直径较为接近时，需要在铜环13与外壳11的内侧壁之间设置绝缘环17，防止电容1的正极与负极接触而造成短路，保证电子烟能够正常使用。
在另一实施例中，结合图1可得，本发明还提供一种基于贴片式电容的电子烟，包括电池4及发热丝5，还包括如前述中任一项的电子烟芯片；第一PCB板2上设有相应的铜片触点，电热丝5及电池4分别连接在相应的铜片触点上，以实现与第一PCB板2电连接，当电子烟有吸烟动作时，气流从气孔151通过，膜片14受到气流的变化，与极板15之间的间距变小，贴片式电容的电容值增大，电容检测电路3检测到电容值发生变化，对电子烟芯片内的发热丝驱动电路输出打开信号，发热丝5收到信号后开始发热，对内置在电子烟中的烟液进行加热，烟液产生烟雾，达到吸烟的效果，电池4为电子烟芯片以及发热丝5供电，将电容检测电路3与电容1分离，电容1内不设置检测芯片，当需要降低电容1的外壳11高度时，检测芯片不会与电容1内部的膜片14发生接触，保证电子烟的性能不受影响；电容1直接贴合在第一PCB板2上，无需对电容1进行焊接，简化电子烟的组合工序，降低安装人员的工作强度，提高电子烟的生产效率。
应当理解的是，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，而所有这些改进和变换都应属于本发明所附权利要求的保护范围。

Claims (10)

  1. 一种基于贴片式电容的电子烟芯片，其特征在于，包括电容、第一PCB板及电容检测电路；所述电容检测电路安装在所述第一PCB板上；所述电容贴合在所述第一PCB板上与所述电容检测电路相反的一面；所述电容包括外壳以及设置在所述外壳中的导电组件；所述导电组件上设有用于进行贴片组装的正极接触件及第一负极接触件；所述正极接触件及第一负极接触件均与所述电容检测电路电连接。
  2. 根据权利要求1所述的电子烟芯片，其特征在于，所述导电组件包括第二PCB板、铜环及膜片；所述正极接触件及所述第一负极接触件均设置在所述第二PCB板上；所述铜环一端与所述正极接触件电连接，另一端与所述膜片电连接；所述膜片与所述第二PCB板之间形成空腔。
  3. 根据权利要求2所述的电子烟芯片，其特征在于，所述导电组件还包括极板；所述极板设置于所述外壳内底部。
  4. 根据权利要求3所述的电子烟芯片，其特征在于，所述第二PCB板上设有与所述第一负极接触件电连接的第二负极接触件，所述极板通过所述外壳与所述第二负极接触件电连接。
  5. 根据权利要求3所述的电子烟芯片，其特征在于，所述外壳包括顶盖与底座；所述第二PCB板、所述正极单元及所述负极单元均设置在所述底座中；所述顶盖安装在所述底座上。
  6. 根据权利要求5所述的电子烟芯片，其特征在于，所述极板、所述膜片、所述铜环、所述第二PCB板依次排布设置在所述底座内；所述顶盖压紧装配于所述底座上靠近所述PCB板的一端；所述顶盖与所述底座构成一个导电体 将所述第二负极接触件与所述极板电连接。
  7. 根据权利要求6所述的电子烟芯片，其特征在于，所述极板与所述膜片之间设有绝缘垫片。
  8. 根据权利要求3所述的电子烟芯片，其特征在于，所述极板上设有若干个用于供气流通过的气孔，所述第二PCB板上相应设置有泄压孔。
  9. 根据权利要求2所述的电子烟芯片，其特征在于，所述铜环位于所述外壳内；所述铜环与所述外壳的内侧壁之间设有绝缘环。
  10. 一种基于贴片式电容的电子烟，包括电池及发热丝，其特征在于：还包括如权利要求1-9中任一项所述的电子烟芯片。
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