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WO2014146270A1 - 电子烟或烟弹的过热保护装置 - Google Patents

电子烟或烟弹的过热保护装置 Download PDF

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Publication number
WO2014146270A1
WO2014146270A1 PCT/CN2013/072959 CN2013072959W WO2014146270A1 WO 2014146270 A1 WO2014146270 A1 WO 2014146270A1 CN 2013072959 W CN2013072959 W CN 2013072959W WO 2014146270 A1 WO2014146270 A1 WO 2014146270A1
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WO
WIPO (PCT)
Prior art keywords
electronic cigarette
atomizer
temperature
temperature fuse
overheat protection
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Application number
PCT/CN2013/072959
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English (en)
French (fr)
Inventor
向智勇
Original Assignee
Xiang Zhiyong
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Filing date
Publication date
Application filed by Xiang Zhiyong filed Critical Xiang Zhiyong
Priority to PCT/CN2013/072959 priority Critical patent/WO2014146270A1/zh
Publication of WO2014146270A1 publication Critical patent/WO2014146270A1/zh

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    • 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
    • A24F40/50—Control or monitoring
    • A24F40/53—Monitoring, e.g. fault detection
    • 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
    • A24F40/10—Devices using liquid inhalable precursors

Definitions

  • the present invention relates to the field of electronic cigarettes, and more particularly to an overheat protection device for an electronic cigarette or a cartridge.
  • the electronic cigarette includes a battery, an electronic cigarette control circuit module and an atomizer to form a heating circuit. Once the electronic cigarette fails (such as a microcontroller crash, an electronic circuit short circuit, etc.), it may occur that the atomizer is heated until the battery is exhausted or the product Burnt out, at this time the internal temperature of the electronic cigarette will be very high, easily causing burns or burns, and even cause a fire.
  • An object of the present invention is to provide an overheat protection device for an electronic cigarette or a cartridge to solve the above-mentioned drawbacks in view of the scalding or burn accident caused by an excessive internal temperature caused by a malfunction of an existing electronic cigarette product.
  • an electronic cigarette overheat protection device comprising: a battery for driving the electronic cigarette, an electronic cigarette control circuit module for controlling the atomizer, and heating the electronic cigarette.
  • the atomizer in which the smoke oil atomizes the smoke oil; the battery, the electronic cigarette control circuit module and the atomizer are electrically connected in sequence to form a heating circuit, and a temperature fuse is connected in series on the heating circuit, and the temperature fuse is used to sense the ambient temperature. Automatically blows when overheating, cuts off the heating circuit, and the battery stops supplying power to the atomizer.
  • the temperature fuse is connected between the positive terminal of the battery and the positive power terminal of the control circuit module.
  • the temperature fuse is connected between the negative terminal of the battery and the negative power terminal of the control circuit module.
  • the electronic cigarette overheat protection device of the invention has a temperature fuse of a porcelain tube type temperature fuse or a square shell type temperature fuse.
  • the temperature fuse selects any one of the temperature fuses having a fusing temperature of between 50 ° C and 200 ° C.
  • the invention also provides a cartridge thermal protection device, comprising:
  • An atomizer interface for connecting to a control circuit of the electronic cigarette
  • the first end of the nebulizer interface is coupled to the first end of the nebulizer by a thermal fuse, and the second end of the nebulizer interface is coupled to the second end of the nebulizer.
  • the temperature fuse selects any one of the temperature fuses having a fusing temperature between 50 ° C and 200 ° C.
  • the carcass overheat protection device of the invention has a temperature fuse of a porcelain tube type temperature fuse or a square shell type temperature fuse.
  • the overheat protection device for implementing the electronic cigarette or the cartridge of the present invention is characterized in that the temperature fuse is connected in series in the heating circuit of the electronic cigarette to protect the electronic cigarette from overheating. When the temperature reaches the melting temperature of the thermal fuse, the temperature fuse is blown. The power supply to the atomizer is cut off by the battery, and the burnt or burn of the smoker caused by the continuous heating of the atomizer is prevented, thereby improving the safety of the electronic cigarette.
  • FIG. 1 is a functional block diagram of an electronic cigarette overheat protection device of the present invention
  • FIG. 2 is a circuit connection diagram of a first embodiment of an electronic cigarette overheat protection device
  • FIG. 3 is a circuit connection diagram of a second embodiment of an electronic cigarette overheat protection device
  • Figure 5 is a circuit connection diagram of the cartridge bomb overheat protection device.
  • FIG. 1 is a functional block diagram of an electronic cigarette overheat protection device according to the present invention, specifically including: a battery 100 for driving various components in the electronic cigarette to ensure normal operation of the electronic cigarette; and a temperature fuse 200 for automatically detecting when the temperature is too high. Fusing, causing the power supply circuit inside the electronic cigarette to be disconnected; the electronic cigarette control circuit module 300 for controlling the inside of the electronic cigarette
  • the atomizer 400 is used to heat the smoke oil in the electronic cigarette to atomize the oil.
  • the thermal fuse 200 is connected in series in the heating circuit, that is, the thermal fuse 200 is connected between the battery 100 and the control circuit module 300, so that the battery 100, the thermal fuse 200, the electronic cigarette control circuit module 300,
  • the atomizers 400 are electrically connected in sequence to form an overheat protection circuit.
  • the temperature fuse 200 can also be placed close to the atomizer, and the position of the temperature fuse in series in the heating circuit is not limited, as long as the power supply can be cut off when overheating is ensured.
  • the battery 100 outputs an external current.
  • the electronic cigarette control circuit module 300 supplies power to the atomizer 400 according to the set parameters.
  • the atomizer converts the electrical energy into heat energy, and the electronic cigarette The smoke oil inside is atomized.
  • the atomizer 400 continues to work until the battery 100 is exhausted or the product is burnt out. At this time, the internal temperature of the electronic cigarette is high, which may cause burns or burns. Even causing a fire; at this time, since the temperature fuse 200 is inserted in the present invention, the above situation can be avoided.
  • the temperature fuse 200 is mainly composed of a low temperature alloy, and when a certain temperature is exceeded, for example, 50 ° C, The alloy is blown, thereby cutting off the power supply of the battery 100 to the atomizer 400, avoiding Continuous heating of the atomizer 400.
  • the specific fusing temperature of the thermal fuse 200 can be correspondingly selected according to the specific position of the thermal fuse 200 in the electronic cigarette. For example, when the thermal fuse 200 is far away from the atomizer 400, a lower fusing temperature can be selected. For example, the temperature fuse 50 of 50 ° C; when the temperature fuse 200 is closer to the atomizer 400, a temperature fuse 200 having a higher melting temperature such as 200 ° C can be selected.
  • the specific shape of the thermal fuse 200 can also be selected according to the space requirement inside the actual electronic cigarette, for example
  • the thermal fuse uses a ceramic tube type thermal fuse or a square-shell type thermal fuse. Just ensure that the internal low temperature alloy can be blown normally.
  • Any type of thermal fuse with a fusing temperature between 50 ° C and 200 ° C can be selected.
  • the H0 thermal fuse of Xiamen Celtic has a fusing temperature of 73 ⁇ 2 ° C.
  • the positive and negative electrodes of the battery 100 are respectively connected to the positive power terminal and the negative power terminal of the electronic cigarette control circuit module 300, and further the temperature fuse 200 is serially connected between the positive electrode of the battery 100 and the positive power terminal of the electronic cigarette control circuit module 300. Or the temperature fuse 200 is connected in series between the negative pole of the battery 100 and the negative power terminal of the electronic cigarette control circuit module 300.
  • One end of the atomizer 400 is connected to the electronic cigarette control circuit module 300. On the control output, the other end of the atomizer 400 is connected to the negative terminal of the battery 100.
  • the battery 100, the thermal fuse 200, the electronic cigarette control circuit module 300, and the atomizer 400 constitute a main circuit.
  • the temperature fuse 200 detects that the temperature of the atomizer 400 reaches the fusing temperature, the low temperature alloy in the thermal fuse 200 is blown.
  • the battery 100 will no longer provide electrical energy to the atomizer 400, thus preventing continued heating of the atomizer 400.
  • the electronic cigarette control circuit module 300 includes at least three terminals, which are a positive power terminal, a negative power terminal, and a control output terminal; the positive and negative power terminals of the electronic cigarette control circuit module 300 are respectively connected to the positive and negative terminals of the battery.
  • the control output is used to provide a suitable current to other powered devices of the electronic cigarette, such as the atomizer 400, etc., for proper operation of the powered device.
  • FIG. 4 is a specific circuit connection diagram of an optional electronic cigarette control circuit module 300.
  • an input module including a smoking sensor and a button for transmitting a signal for starting or suspending operation to the microprocessor; the microprocessor is turned on or off according to the received start or pause signal.
  • a field effect transistor (MOS transistor) to control the current flowing to the atomizer 400;
  • the electronic cigarette control circuit module 300 further includes a comparator for the overcurrent protection of the heating element; the comparator is compared by The reference voltage is compared with the voltage generated by the current flowing through the internal resistance of the field effect transistor (MOS transistor) to determine whether the atomizer 400 is overcurrent.
  • MOS transistor field effect transistor
  • the microcontroller will turn off the MOS tube, thereby cutting off the current to the atomizer 400; if the comparator, the microcontroller or the MOS tube fails in an overcurrent condition, the atomizer 400 cannot be cut off in an overcurrent condition. Current, then the atomizer 400 will continue to heat up, causing the temperature of the electronic cigarette to rise further. At this time, the temperature fuse 200 is blown, and the voltage of the battery 100 is cut off, thereby protecting the electrons. Ensure the safety of smokers.
  • the invention can also protect the cartridge of the electronic cigarette, and the overheat protection device of the cartridge
  • the invention includes: an atomizer interface for controlling a control circuit of the electronic cigarette; an atomizer 400 for heating the tobacco oil in the electronic cigarette to atomize the oil; and stopping the atomizer 400 when the atomizer 400 is overheated
  • the heated thermal fuse 200 continues; the first end of the nebulizer interface is coupled to the first end of the nebulizer via a thermal fuse 200, and the second end of the nebulizer interface is coupled to the second end of the nebulizer.
  • the current of the electronic cigarette flows into the cartridge from the atomizer interface, and the atomizer 400 converts the current into heat to atomize the smoke in the cartridge. If the current of the electronic cigarette is abnormal, the atomizer 400 is continuously heated, and the high temperature generated by the atomizer 400 will melt the thermal fuse 200, thereby protecting the cartridge and the electronic cigarette.
  • the specific fusing temperature of the thermal fuse 200 can be selected according to the specific type of the cartridge.
  • the thermal fuse has a specific temperature of 50 ° C to 200 ° C.
  • the specific shape of the thermal fuse can also be selected according to the shape of the cartridge.

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  • Fuses (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

一种电子烟及烟弹过热保护装置。该电子烟过热保护装置包括：用于驱动电子烟工作的电池（100）、用于控制雾化器（400）的电子烟控制电路模块（300）、用于加热电子烟内的烟油使烟油雾化的雾化器（400）；电池（100）、电子烟控制电路模块（300）和雾化器（400）依次电连接形成加热电回路，在加热电回路上串联一温度保险丝（200），温度保险丝（200）用于感应环境温度过热时自动熔断，切断所述加热电回路，电池（100）停止对雾化器（400）供电。该电子烟过热保护装置可防止雾化器（400）的持续加热而导致的吸烟者的烫伤或烧伤，提高了电子烟的安全性。

Description

电子烟或烟弹的过热保护装置 技术领域
本发明涉及电子香烟领域，更具体地说，涉及电子烟或烟弹的过热保护装置。
背景技术
在现有的电子香烟产品中，尤其是一次性的电子香烟和一次性的烟弹，均没有对其进行过热保护。电子香烟包括电池、电子烟控制电路模块和雾化器形成加热回路，一旦电子香烟出现故障（如微控制器死机、电子线路短路等），可能会出现一直加热雾化器直至电池耗尽或者产品烧坏，此时电子烟内部温度会很高，容易引发烫伤或者烧伤，甚至引起火灾。
发明内容
本发明的目的在于，针对现有的电子烟产品容易出现因故障导致的内部温度过高而引发的烫伤或烧伤事故，提供一种电子烟或烟弹的过热保护装置以解决上述缺陷。
本发明解决其技术问题所采用的技术方案是提供一种电子烟过热保护装置，包括：用于驱动电子烟工作的电池、用于控制雾化器的电子烟控制电路模块、用于加热电子烟内的烟油使烟油雾化的雾化器；电池、电子烟控制电路模块和雾化器依次电连接形成加热电回路，在加热电回路上串联一温度保险丝，温度保险丝用于感应环境温度过热时自动熔断，切断所述加热电回路，电池停止对雾化器供电。
本发明的电子烟过热保护装置，温度保险丝连接在电池的正极端和控制电路模块的正电源端之间。
本发明的电子烟过热保护装置，温度保险丝连接在电池的负极端和控制电路模块的负电源端之间。
本发明的电子烟过热保护装置，温度保险丝为瓷管型温度保险丝或方壳型温度保险丝。
本发明的电子烟过热保护装置，温度保险丝选择熔断温度为50℃至200℃之间的任一种温度保险丝。
本发明还提供一种烟弹过热保护装置，包括：
用于与电子烟的控制电路连接的雾化器接口；
用于加热电子烟内的烟油使烟油雾化的雾化器；
用于在雾化器过热时停止对雾化器继续加热的温度保险丝；
雾化器接口的第一端通过温度保险丝连接到雾化器的第一端，雾化器接口的第二端与雾化器的第二端连接。
本发明的烟弹过热保护装置，温度保险丝选择熔断温度为50℃至200℃之间的任一种温度保险丝。
本发明的烟弹过热保护装置，温度保险丝为瓷管型温度保险丝或方壳型温度保险丝。
实施本发明的电子烟或烟弹的过热保护装置，由于温度保险丝串联在电子烟的加热电回路中，对电子烟进行过热保护，当温度到达温度保险丝的熔断温度的时候，温度保险丝熔断，进而切断了电池对雾化器的供电，防止了雾化器的持续加热而导致的吸烟者的烫伤或烧伤，从而提高了电子烟的安全性。
附图说明
以下结合附图对本发明进行说明，其中：
图1为本发明电子烟过热保护装置的功能模块图；
图2为电子烟过热保护装置第一实施例的电路连接图；
图3为电子烟过热保护装置第二实施例的电路连接图；
图4为电子烟控制电路模块的电路结构示意图；
图5为烟弹过热保护装置的电路连接图。
具体实施方式
以上仅为本发明具体实施方式，不能以此来限定本发明的范围，本技术领域内的一般技术人员根据本创作所作的均等变化，以及本领域内技术人员熟知的改变，都应仍属本发明涵盖的范围。
图1为本发明电子烟过热保护装置的功能模块图，具体包括：电池100，用于驱动电子烟内各个组件确保电子烟正常工作；温度保险丝200，用于在检测到温度过高的时候自动熔断，使得电子烟内部的供电电路断开；电子烟控制电路模块300，用于控制电子烟内部的 雾化器400；雾化器400用于加热电子烟内的烟油使烟油雾化。在一个优选的连接方式中将温度保险丝200串联在加热电回路中，即将温度保险丝200连接在电池100和控制电路模块300的之间，使电池100、温度保险丝200、电子烟控制电路模块300、雾化器400依次电性连接形成过热保护电路。当然也可以将温度保险丝200设置在靠近雾化器，温度保险丝串联在加热电回路中的位置不限，只要保证过热时可以切断电源即可。
在正常工作的时候，电池100向外输出电流，经过温度保险丝200后，由电子烟控制电路模块300依据设定的参数向雾化器400供电，雾化器将电能转换为热能，将电子烟内的烟油雾化。当电子烟的电路出现问题的时候，可能会出现这样的情况：雾化器400一直持续工作，直至电池100耗尽或者产品烧坏，此时电子烟内部温度会很高，容易引发烫伤或者烧伤，甚至引起火灾；此时由于在本发明中接入了温度保险丝200，可以避免上述情况，在本发明中，温度保险丝200主要由低温合金组成，在超过一定的温度，例如50℃时，该合金熔断，，从而切断电池100向雾化器400的供电，避免了 雾化器400的持续加热。在本发明中温度保险丝200的具体熔断温度可以依据温度保险丝200具体在电子烟内的设定位置进行对应选择，例如当温度保险丝200距离雾化器400较远的时候，可以选用较低熔断温度如50℃的温度保险丝200；当温度保险丝200距离雾化器400较近的时候，可以选用较高熔断温度如200℃的温度保险丝200。温度保险丝200的具体形状也可以根据实际电子烟内部的空间需求进行选择，例如 温度保险丝选用瓷管型温度保险丝或方壳型温度保险丝。 只要保证其内部的低温合金能够正常熔断即可。在熔断温度上 可选择熔断温度为50℃至200℃之间的任一种温度保险丝，例如厦门赛尔特的H0温度保险丝，其熔断温度为73±2℃。
图2、3为本发明电子烟过热保护装置两则实施例的电路连接方式。电池100的正负极分别接在电子烟控制电路模块300的正电源端和负电源端，并且进一步的将温度保险丝200串接在电池100正极与电子烟控制电路模块300的正电源端之间；或者将温度保险丝200串接在电池100负极与电子烟控制电路模块300的负电源端之间。而雾化器400的一端接在电子烟控制电路模块300的 控制输出端上， 雾化器400的另一端接在电池100的负极上。
电池100、温度保险丝200、电子烟控制电路模块300、雾化器400组成一个主回路，当温度保险丝200检测到雾化器400的温度到达熔断温度的时候，温度保险丝200内的低温合金熔断，导致主回路断开，电池100将不再向雾化器400提供电能，这样就阻止了雾化器400的持续加热。
一般的，电子烟控制电路模块300至少包括3个接线端，分别为正电源端、负电源端和控制输出端；电子烟控制电路模块300的正，负电源端分别与电池的正负极连接，以从电池100处获得足够电能；控制输出端用于向电子烟的其他用电器件，例如雾化器400等提供合适的电流，以便用电器件的正常工作。如图4所示为一则可选的电子烟控制电路模块300的具体电路连接图。在该电子烟控制电路模块300中，设有输入模块，包括吸烟传感器和按键，用于向微处理器发送启动或暂停工作的信号；微处理器依据接收的启动或暂停信号，导通或截止场效应管（MOS管），以控制流向雾化器400的电流；电子烟控制电路模块300内还包括一个比较器，此比较器的作用是用于加热元件的过流保护；比较器通过比较参考电压与电流流过场效应管（MOS管）内阻上产生的电压进行比较，以确定雾化器400是否过流，通常在过流情况下比较器会输出一个比较结果至微控制器，通过微控制器会关断MOS管，从而切断对雾化器400的电流；若在过流情况下，比较器、微控制器或MOS管发生故障导致过流情况下不能及时切断雾化器400的电流，那么雾化器400仍然会继续加热导致电子烟的温度进一步上升，此时温度保险丝200熔断，切断电池100电压，从而保护了电子烟，保证了吸烟者的安全。
本发明还可以对电子烟的烟弹进行保护，该烟弹的过热保护装置 包括：用于与电子烟的控制电路的雾化器接口；用于加热电子烟内的烟油使烟油雾化的雾化器400；用于在雾化器400过热时停止雾化器400继续加热的温度保险丝200；雾化器接口的第一端通过温度保险丝200连接到雾化器第一端，雾化器接口的第二端与雾化器的第二端连接。
电子烟的电流从雾化器接口流入烟弹，雾化器400将电流转化为热量，将烟弹内的烟油雾化。若出现电子烟的电流异常，导致雾化器400持续加热，此时雾化器400产生的高温会将温度保险丝200熔断，从而保护烟弹和电子烟。温度保险丝200的具体熔断温度可以依据具体的烟弹类型选择熔断温度为50℃至200℃之间的任一种温度保险丝，温度保险丝具体的形状也可以依据烟弹的外形需要进行选择。
以上仅为本发明具体实施方式，不能以此来限定本发明的范围，本技术领域内的一般技术人员根据本创作所作的均等变化，以及本领域内技术人员熟知的改变，都应仍属本发明涵盖的范围。

Claims (8)

  1. 一种电子烟过热保护装置，包括用于驱动电子烟工作的电池（100）、用于控制雾化器（400）加热通断的电子烟控制电路模块（300）、和用于加热电子烟内的烟油使烟油雾化的所述雾化器（400），所述电池（100）、电子烟控制电路模块（300）和雾化器（400）依次电连接形成加热电回路，其特征在于，在所述加热电回路上串联一温度保险丝（200），所述温度保险丝（200）用于感应环境温度过热时自动熔断，切断所述加热电回路，所述电池（100）停止对所述雾化器（400）供电。
  2. 根据权利要求1所述的电子烟过热保护装置，其特征在于，所述温度保险丝（200）连接在所述电池（100）的正极端和所述控制电路模块（300）的正电源端之间。
  3. 根据权利要求1所述的电子烟过热保护装置，其特征在于，所述温度保险丝（200）连接在所述电池（100）的负极端和所述控制电路模块（300）的负电源端之间。
  4. 根据权利要求1-3任一所述的电子烟过热保护装置，其特征在于，所述温度保险丝（200）为瓷管型温度保险丝或方壳型温度保险丝。
  5. 根据权利要求4所述的电子烟过热保护装置，其特征在于，所述温度保险丝（200）选择熔断温度为50℃至200℃之间的任一种温度保险丝。
  6. 一种烟弹过热保护装置，其特征在于，包括：
    用于与电子烟的控制电路连接的雾化器接口；
    用于加热电子烟内的烟油使烟油雾化的雾化器（400）；
    用于在所述雾化器（400）过热时停止对所述雾化器（400）继续加热的温度保险丝（200）；
    雾化器接口的第一端通过所述温度保险丝（200）连接到所述雾化器（400）的第一端，所述雾化器接口的第二端与所述雾化器（400）的第二端连接。
  7. 根据权利要求6所述的烟弹过热保护装置，其特征在于，所述温度保险丝为瓷管型温度保险丝或方壳型温度保险丝。
  8. 根据权利要求7所述的电子烟过热保护装置，其特征在于，所述温度保险丝（200）选择熔断温度为50℃至200℃之间的任一种温度保险丝。
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