WO2021223741A1 - 加热不燃烧装置和温度控制方法 - Google Patents

加热不燃烧装置和温度控制方法 Download PDF

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Publication number
WO2021223741A1
WO2021223741A1 PCT/CN2021/092156 CN2021092156W WO2021223741A1 WO 2021223741 A1 WO2021223741 A1 WO 2021223741A1 CN 2021092156 W CN2021092156 W CN 2021092156W WO 2021223741 A1 WO2021223741 A1 WO 2021223741A1
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Prior art keywords
temperature
smoking material
temperature threshold
threshold
control method
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PCT/CN2021/092156
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English (en)
French (fr)
Inventor
刘华臣
李丹
陈义坤
黄婷
谭健
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湖北中烟工业有限责任公司
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Application filed by 湖北中烟工业有限责任公司 filed Critical 湖北中烟工业有限责任公司
Priority to KR1020227009646A priority Critical patent/KR20220050207A/ko
Priority to JP2022538072A priority patent/JP7438364B2/ja
Priority to EP21800614.6A priority patent/EP4023087A4/en
Publication of WO2021223741A1 publication Critical patent/WO2021223741A1/zh

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1902—Control of temperature characterised by the use of electric means characterised by the use of a variable reference value
    • G05D23/1904—Control of temperature characterised by the use of electric means characterised by the use of a variable reference value variable in time
    • 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
    • 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
    • A24F40/51—Arrangement of sensors
    • 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
    • A24F40/57—Temperature control
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/22—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element being a thermocouple
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor

Definitions

  • the application belongs to the technical field of tobacco appliances, and specifically relates to a heat-not-burn device and a temperature control method.
  • Heating non-combustion devices gradually entered the public view. How to optimize the heating process so as to improve the user experience has become a continuous concern of those skilled in the art.
  • the purpose of this application is to provide a heating and non-combustion device and a temperature control method in view of the shortcomings of the prior art.
  • a temperature control method for a heating and non-combustion device including: controlling the temperature of the smoking material to maintain a second temperature threshold; controlling the smoking material from the second temperature threshold; The temperature threshold is increased to a third temperature threshold; the temperature of the smoking material is controlled to be maintained at the third temperature threshold, and the heating of the smoking material is ended after a set period of time; wherein the second temperature threshold is recorded Is T2, and the third temperature threshold is denoted as T3, which satisfies: T2 ⁇ T3.
  • the method before controlling the temperature of the smoking material to maintain the second temperature threshold, the method further includes: controlling the temperature of the smoking material to a first temperature threshold; controlling the temperature of the smoking material to maintain the first temperature threshold And the second temperature threshold value, and finally the temperature is lowered to the second temperature threshold value; wherein, the first temperature threshold value is denoted as T1, which satisfies: T2 ⁇ T1.
  • controlling the temperature of the smoking material to be maintained between the first temperature threshold and the second temperature threshold, and finally decreasing the temperature to the second temperature threshold includes: controlling the smoking material to continuously decrease the temperature to The second temperature threshold; or, controlling the temperature of the smoking material to be stepped down to the second temperature threshold.
  • controlling the stepwise cooling of the smoking material includes: turning off a heating element to cool the smoking material, and activating the heating element to keep the temperature of the smoking material constant.
  • the temperature of the smoking material is controlled to be maintained between the first temperature threshold and the second temperature threshold, and the temperature is finally reduced to the second temperature threshold.
  • the duration of this process is denoted as t2, which satisfies: 1s ⁇ t2 ⁇ 45s.
  • the temperature of the smoking material is controlled to a first temperature threshold, and the duration of the process is denoted as t1, which satisfies: 5s ⁇ t1 ⁇ 25s.
  • controlling the temperature of the smoking material from the second temperature threshold to the third temperature threshold includes: controlling the smoking material to continuously increase the temperature to the third temperature threshold; or, controlling the smoking material The temperature rises stepwise to the third temperature threshold.
  • the temperature of the smoking material is controlled to maintain a second temperature threshold, and the duration of the process is denoted as t3, which satisfies: 30s ⁇ t3 ⁇ 300s.
  • the temperature of the smoking material is controlled to rise from the second temperature threshold to the third temperature threshold, and the duration of the process is recorded as t4, which satisfies: 15s ⁇ t4 ⁇ 180s.
  • the temperature of the smoking material is controlled to maintain the third temperature threshold, and the duration of the process is denoted as t5, which satisfies: 10s ⁇ t5 ⁇ 120s.
  • a heating and non-combustion device including: a heating element and a control element, the heating element is used to heat the smoking material, the control element includes a memory and a processing The memory stores instructions, and the processor executes the instructions to execute the above-mentioned temperature control method.
  • the beneficial effects of the present application are: in the middle of the use process, the temperature of the smoking material is maintained relatively stable and relatively low, which can produce enough smoke without burning hands or mouth; At the end of the period, since the effective ingredients in the smoking material are less, it is necessary to gradually increase the temperature of the smoking material to ensure a sufficient amount of smoke. Of course, the temperature of the smoking material cannot be increased indefinitely. First, it is limited by the heating capacity of the heat-not-burn device, and secondly, it prevents the heat-not-burn device from burning the mouth and hands, so the smoking material is maintained at a higher third temperature threshold. continued for a period of time. When the effective components in the smoking material are almost exhausted, the heating process is ended, and the temperature of the smoking material drops rapidly.
  • Fig. 1 is a flowchart of a temperature control method according to an embodiment of the present application.
  • Fig. 2 is a temperature curve diagram of the temperature control method of the embodiment of the present application.
  • Fig. 3 is a temperature curve diagram of a temperature control method according to another embodiment of the present application.
  • Fig. 4 is a structural block diagram of the heating and non-combustion device of the embodiment of the present application.
  • the reference signs are: 1. Temperature measuring element; 2. Heating element; 3. Control element; 31, memory; 32, processor.
  • the temperature control method of the heating and non-combustion device includes the following stages.
  • the temperature of the smoking material is controlled to maintain the second temperature threshold.
  • the temperature of the smoking material is controlled from the second temperature threshold to the third temperature threshold.
  • the temperature of the smoking material is controlled to maintain the third temperature threshold, and the heating of the smoking material is ended after a set period of time.
  • the second temperature threshold is denoted as T2
  • the third temperature threshold is denoted as T3, which satisfies: T2 ⁇ T3.
  • the temperature of the smoking material is relatively stable and relatively low, which can produce enough smoke without burning your hands or mouth; at the end of the use process, because There are few active ingredients in the smoking material, so it is necessary to gradually increase the temperature of the smoking material to ensure a sufficient amount of smoke.
  • the temperature of the smoking material cannot be increased indefinitely. First, it is limited by the heating capacity of the heat-not-burn device, and secondly, it prevents the heat-not-burn device from burning the mouth and hands, so the smoking material is maintained at a higher third temperature threshold. continued for a period of time. When the effective components in the smoking material are almost exhausted, the heating process is ended, and the temperature of the smoking material drops rapidly.
  • the above is an optimized design for the middle and final stages of the use of heating and non-combustion devices.
  • the embodiment of the application also proposes an optimized design for the complete use process of the heating and non-combustion device.
  • the embodiment of the present application provides a temperature control method of a heating and non-combustion device, which includes the following stages. Please refer to Figure 2 and Figure 3 to understand the law of temperature changes at each stage.
  • the temperature of the smoking material is controlled to reach the first temperature threshold.
  • the temperature of the smoking material is controlled to be maintained between the first temperature threshold and the second temperature threshold, and the temperature is finally reduced to the second temperature threshold.
  • the temperature of the smoking material is controlled to maintain the second temperature threshold.
  • the temperature of the smoking material is controlled to rise from the second temperature threshold to the third temperature threshold.
  • the temperature of the smoking material is controlled to maintain the third temperature threshold, and the heating process is ended after a set time.
  • the first temperature threshold is denoted as T1
  • the second temperature threshold is denoted as T2
  • the third temperature threshold is denoted as T3, satisfying: T2 ⁇ T1, and T2 ⁇ T3.
  • the third stage is the intermediate period when the smoking material emits smoke, and the temperature of the smoking material can be maintained relatively stable.
  • the overall average temperature of the smoking material is higher than that of the third stage. This way, it can ensure that the user can quickly inhale a sufficient amount of smoke.
  • the temperature of the smoking material is relatively low, which can avoid the problem that the temperature of the housing of the heating non-combustion device is too high due to heat conduction, which may cause hot hands.
  • the temperature of the smoking material is higher than its temperature in the third stage. In this way, it can still provide users with relatively sufficient content even when the effective components of the smoking material are very low. Amount of smoke. So as to improve the better user experience for users.
  • the smoking material continues to cool down to a second temperature threshold.
  • the cooling speed can be relatively slow.
  • the smoking material in the second stage (i.e., section b), is cooled in a stepwise manner to a second temperature threshold. That is, the temperature of the smoking material first decreases for a short period, then remains unchanged, and then decreases for a short period, and so on. In this way, the temperature of the smoking material can be prevented from falling too fast, and the control of the heating power is not precise enough, which causes the temperature of the smoking material to be seriously lower than the second temperature threshold.
  • controlling the stepwise cooling of the smoking material includes: turning off a heating element to cool the smoking material, and activating the heating element to keep the temperature of the smoking material constant. That is, the heating element is turned off and the heating element is turned on alternately, so that the temperature of the smoking material is reduced in a stepwise manner.
  • the control of the heating element is simpler and the temperature control is more precise.
  • the temperature of the second stage smoking material can also be controlled in the following manner.
  • the temperature of the smoking material is controlled to fluctuate between the second temperature threshold and the first temperature threshold first, and then the temperature is lowered to the second temperature threshold.
  • the temperature of the smoking material is controlled to decrease to the second temperature threshold after the first temperature threshold lasts for a set time.
  • the smoking material in the fourth stage (i.e. section d), is continuously heated to the third temperature threshold; or, referring to Fig. 3, in the fourth stage, the smoking material is heated in a stepwise manner to the third temperature Threshold.
  • the stepped heating method facilitates precise control of the temperature of the smoking material.
  • the continuous heating method is relatively simple to perform. Relatively speaking, controlling the duration of the constant temperature of the smoking material is easier to achieve than controlling the temperature rise rate of the smoking material.
  • the stepped heating method can also ensure that the smoking material maximizes the use of the effective components of the cigarette (such as the smoke generating agent) after the heat is heated, and ensures that the smoke does not increase rapidly, resulting in uneven smoke volume.
  • 300°C ⁇ T1 ⁇ 380°C. This temperature range can ensure that conventional smoke-producing materials can produce sufficient smoke in the initial heating stage.
  • the duration of the first stage is denoted as t1, which satisfies: 5s ⁇ t1 ⁇ 25s.
  • the duration of the second stage is denoted as t2, which satisfies: 1s ⁇ t2 ⁇ 45s.
  • the duration of the third segment is denoted as t3, which satisfies: 30s ⁇ t3 ⁇ 300s.
  • the duration of the fourth stage is denoted as t4, which satisfies: 15s ⁇ t4 ⁇ 180s.
  • the duration of the fifth stage is denoted as t5, which satisfies: 10s ⁇ t5 ⁇ 120s.
  • the duration of the first stage should be relatively short. Even if the smoking material heats up rapidly, it cannot be infinitely fast due to the power input capability of the heating non-combustion device and the precise control of the temperature.
  • the duration of the second stage is affected by the performance of the heating and non-combustion device itself and the characteristics of the smoking material.
  • the smoke-producing material quickly produces enough smoke and the housing of the heating non-combustion device is not hot.
  • the duration of the third stage should be longer, that is, the smoking material stably provides an appropriate amount of smoke.
  • the duration of the fourth stage is affected by the properties of the smoking material. Although the useful components of the smoking material at this stage are relatively small, the temperature increase required is not large.
  • the duration of the fifth stage is affected by the nature of the smoking material.
  • the purpose of this stage is to consume the last small amount of useful components of the smoking material as soon as possible, so as to ensure that the amount of smoke in the final stage is not too low.
  • an embodiment of the present application provides a heating and non-combustion device, including: a temperature measuring element 1, a heating element 2, and a control element 3.
  • the temperature measuring element 1 is used to measure the temperature of a smoking material
  • the heating element 2 is used to heat the smoking material.
  • the control element 3 includes a memory 31 and a processor 32.
  • the memory 31 stores instructions, and the processor 32 runs the instructions to execute the above-mentioned temperature control method.
  • the temperature measuring element 1 includes, for example, a thermocouple, a thermal resistance, a thermistor, an infrared sensor, and the like.
  • the heating element 2 includes, for example, a resistance heater, an infrared heater, and the like.
  • the memory 31 includes, but is not limited to, magnetic disk storage, CD-ROM, optical storage, read-only memory (ROM), or flash memory (flash RAM).
  • the processor 32 is, for example, a central processing unit (CPU), a micro control unit (MCU), or the like. Of course, the memory 31 and the processor 32 may also be integrated in one element.
  • the control element 3 can adjust the heating power of the heating element 2 according to the real-time temperature and the expected temperature of the smoking material, so as to realize the control of the temperature of the smoking material.
  • the control element 2 can also control the heating power of the heating element according to a preset heating program to realize the above-mentioned temperature curve.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Resistance Heating (AREA)
  • Control Of Temperature (AREA)
  • Central Heating Systems (AREA)

Abstract

一种加热不燃烧装置和温度控制方法。该方法包括：控制发烟材料的温度维持为第二温度阈值；控制发烟材料从第二温度阈值升温至第三温度阈值；控制发烟材料的温度维持为第三温度阈值，经设定时长后结束对发烟材料的加热；其中，第二温度阈值记为T2，第三温度阈值记为T3，满足：T2＜T3。采用该方法，既能在加热不燃烧装置的使用中期避免烫手，还能在使用后期保证适当的烟雾量。

Description

加热不燃烧装置和温度控制方法 技术领域
本申请属于烟草器具技术领域，具体涉及一种加热不燃烧装置和温度控制方法。
 背景技术
加热不燃烧装置逐渐走进公众视野。如何对加热过程进行优化从而提升用户体验，成为本领域技术人员持续关注的问题。
 技术解决方案
本申请的目的在于针对现有技术的不足之处，提供一种加热不燃烧装置和温度控制方法。
为解决上述技术问题，本申请采用如下技术方案：一种加热不燃烧装置的温度控制方法，包括：控制发烟材料的温度维持为第二温度阈值；控制所述发烟材料从所述第二温度阈值升温至第三温度阈值；控制所述发烟材料的温度维持为所述第三温度阈值,经设定时长后结束对所述发烟材料的加热；其中，所述第二温度阈值记为T2，所述第三温度阈值记为T3，满足：T2＜T3。
可选地，控制发烟材料的温度维持为第二温度阈值之前，还包括：控制所述发烟材料升温至第一温度阈值；控制所述发烟材料的温度维持在所述第一温度阈值和第二温度阈值之间，并最终降温至所述第二温度阈值；其中，所述第一温度阈值记为T1，满足：T2＜T1。
可选地：控制所述发烟材料的温度维持在所述第一温度阈值和第二温度阈值之间，并最终降温至所述第二温度阈值，包括：控制所述发烟材料持续降温至所述第二温度阈值；或者，控制所述发烟材料阶梯式降温至所述第二温度阈值。
可选地，控制所述发烟材料阶梯式降温，包括：关闭加热元件以使所述发烟材料降温，启动加热元件以使所述发烟材料保持温度不变。
可选地，300℃≤T1≤380℃。
可选地，控制所述发烟材料的温度维持在所述第一温度阈值和第二温度阈值之间，并最终降温至所述第二温度阈值，该过程持续时长记为t2，满足：1s≤t2≤45s。
可选地，控制所述发烟材料升温至第一温度阈值，该过程持续时长记为t1，满足：5s≤t1≤25s。
可选地，控制所述发烟材料从所述第二温度阈值升温至第三温度阈值，包括：控制所述发烟材料持续升温至所述第三温度阈值；或者，控制所述发烟材料阶梯式升温至所述第三温度阈值。
可选地，150℃≤T2≤350℃。
可选地，200℃≤T3≤380℃。
可选地，控制发烟材料的温度维持为第二温度阈值，该过程持续时长记为t3，满足：30s≤t3≤300s。
可选地，控制所述发烟材料从所述第二温度阈值升温至第三温度阈值，该过程持续时长记为t4，满足：15s≤t4≤180s。
可选地，控制所述发烟材料的温度维持为所述第三温度阈值，该过程持续时长记为t5，满足：10s≤t5≤120s。
为解决上述技术问题，本申请采用如下技术方案：一种加热不燃烧装置，包括：加热元件和控制元件，所述加热元件用于对所述发烟材料加热，所述控制元件包括存储器和处理器，所述存储器存储指令，所述处理器运行所述指令以执行上述的温度控制方法。
 有益效果
与现有技术相比，本申请的有益效果为：在使用过程的中期，维持发烟材料温度相对稳定且相对较低，既能产生足够的烟雾，又不会烫手或烫嘴；在使用过程的末期，由于发烟材料中有效成分较少，所以需要逐步提高发烟材料的温度，从而保证足够的烟雾量。当然，发烟材料的温度不能无限提升，一是受限于加热不燃烧装置的加热能力，二是避免加热不燃烧装置烫嘴以及烫手，所以维持发烟材料在一个较高的第三温度阈值持续一段时间。当发烟材料内有效成分几乎耗尽时，结束加热过程，发烟材料的温度迅速降低。
 附图说明
图1是本申请的实施例的温度控制方法的流程图。
图2是本申请的实施例的温度控制方法的温度曲线图。
图3是本申请的另一个实施例的温度控制方法的温度曲线图。
图4是本申请的实施例的加热不燃烧装置的结构框图。
附图标记为：1、测温元件；2、加热元件；3、控制元件；31、存储器；32、处理器。
 本发明的实施方式
在本申请中，应理解，诸如“包括”或“具有”等术语旨在指示本说明书中所公开的特征、数字、步骤、行为、部件、部分或其组合的存在，并且不旨在排除一个或多个其他特征、数字、步骤、行为、部件、部分或其组合存在的可能性。
另外还需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本申请。
下面结合附图所示的实施例对本申请作进一步说明。
参考图1并结合图2和图3，本申请的实施例所提供的加热不燃烧装置的温度控制方法包括以下阶段。
第三阶段(标记为c段)，控制发烟材料的温度维持为第二温度阈值。
第四阶段(标记为d段)，控制所述发烟材料从所述第二温度阈值升温至第三温度阈值。
第五阶段(标记为e段)控制所述发烟材料的温度维持为所述第三温度阈值,经设定时长后结束对所述发烟材料的加热。其中，所述第二温度阈值记为T2，所述第三温度阈值记为T3，满足：T2＜T3。
换言之，在使用加热不燃烧装置时，在使用过程的中期，维持发烟材料温度相对稳定且相对较低，既能产生足够的烟雾，又不会烫手或烫嘴；在使用过程的末期，由于发烟材料中有效成分较少，所以需要逐步提高发烟材料的温度，从而保证足够的烟雾量。当然，发烟材料的温度不能无限提升，一是受限于加热不燃烧装置的加热能力，二是避免加热不燃烧装置烫嘴以及烫手，所以维持发烟材料在一个较高的第三温度阈值持续一段时间。当发烟材料内有效成分几乎耗尽时，结束加热过程，发烟材料的温度迅速降低。
以上是对加热不燃烧装置使用的中期和末期做出的优化设计。本申请的实施例还提出了加热不燃烧装置完整使用过程的优化设计。
如附图1所示，本申请的实施例提供一种加热不燃烧装置的温度控制方法，包括以下阶段。请结合图2和图3理解各个阶段的温度变化规律。
第一阶段(a段)，控制发烟材料升温至第一温度阈值。
第二阶段(b段)，控制发烟材料的温度维持在第一温度阈值和第二温度阈值之间，并最终降温至第二温度阈值。
第三阶段(c段)，控制发烟材料的温度维持为第二温度阈值。
第四阶段(d段)，控制发烟材料从第二温度阈值升温至第三温度阈值。
第五阶段(e段)，控制发烟材料的温度维持为第三温度阈值，经设定时间后结束加热过程。
其中，第一温度阈值记为T1，第二温度阈值记为T2，第三温度阈值记为T3，满足：T2＜T1，且T2＜T3。
第三阶段是发烟材料发出烟雾的中间时段，可以维持发烟材料的温度相对稳定。在发烟材料发出烟雾的初期，即第二阶段内，发烟材料的整体平均温度是高于第三阶段的，如此，可以保障用户在使用该加热不燃烧装置的初期，快速吸入足够量的烟雾。进一步，在第三阶段，发烟材料的温度相对较低，可以避免因热量传导造成加热不燃烧装置的外壳温度过高进而烫手的问题。最后，在第四阶段和第五阶段，发烟材料的温度是高于其在第三阶段的温度的，如此，可以在发烟材料有效成分很低的情况下，仍能为用户提供相对足量的烟雾。从而为用户提高较佳的使用体验。
需要说明的是，应当理解，由于发烟材料的温度很难维持为一个精确的恒定值，以上维持发烟材料的温度为某一个特定值，相当于维持发烟材料在这个特定温度上下很小的范围波动。
可选地：参考图2，在第二阶段(即b段)，发烟材料持续降温至第二温度阈值。当然，如需第二阶段设置的比较长，则降温的速度可以相对较慢。
可选地，参考图3，在第二阶段(即b段)，发烟材料阶梯式降温至第二温度阈值。即发烟材料的温度首先降低一小段，然后维持不变，然后再降低一小段，以此类推。如此，可以防止发烟材料的温度下降过快，加热功率的控制不够精确，而造成发烟材料的温度严重低于第二温度阈值。
具体地，控制所述发烟材料阶梯式降温，包括：关闭加热元件以使所述发烟材料降温，启动加热元件以使所述发烟材料保持温度不变。即交替地关闭加热元件和启动加热元件，从而使得发烟材料的温度阶梯式降温。对于加热元件的控制更加简单，对温度的控制更加精确。
为使第二阶段的整体平均温度高于第二温度阈值，同时又便于对发烟材料温度进行较为精确的控制，第二阶段烟发烟材料的温度也可以按照如下方式控制。
例如，在第二阶段，控制发烟材料的温度首先在第二温度阈值和第一温度阈值之间波动，然后降温至第二温度阈值。
又例如，在第二阶段，控制发烟材料的温度在第一温度阈持续设定时间后降温至第二温度阈值。
可选地，参考图2，在第四阶段(即d段)，发烟材料持续升温至第三温度阈值；或者，参考图3，在第四阶段，发烟材料阶梯式升温至第三温度阈值。
同理，阶梯式升温方式便于对发烟材料温度的精确控制。持续升温的方式则执行过程相对简单。相对而言，控制发烟材料恒温的时长，比控制发烟材料升温速度更容易实现。此外，阶梯式的升温方式，还能确保发烟材料在受热后段，最大化利用烟支的有效成分(例如烟雾产生剂)，保证烟雾不至于迅速增大，导致烟雾量的不均匀。
可选地，300℃≤T1≤380℃。该温度范围可以保证常规的发烟材料能够在加热的初期产生足量的烟雾。
可选地，150℃≤T2≤350℃。该温度范围可以保证常规的发烟材料在加热的中期持续产生适量的烟雾，且加热不燃烧装置的外壳不会烫手。
可选地，200℃≤T3≤380℃。该温度范围可以保证常规的发烟材料在加热的后期仍能产生足量的烟雾。
可选地，第一阶段持续时长记为t1，满足：5s≤t1≤25s。
可选地，第二阶段持续时长记为t2，满足：1s≤t2≤45s。
可选地，第三段持续时长记为t3，满足：30s≤t3≤300s。
可选地，第四阶段持续时长记为t4，满足：15s≤t4≤180s。
可选地，第五阶段持续时长记为t5，满足：10s≤t5≤120s。
第一阶段持续的时长应当比较短，即使发烟材料快速升温，但受限于加热不燃烧装置的功率输入能力以及对温度的精确控制，也不能无限快。
第二阶段持续的时长受到加热不燃烧装置本身性能和发烟材料的特性的影响。以发烟材料快速产生足量烟雾，同时加热不燃烧装置外壳不烫手为准。
第三阶段持续的时长应当较长，即发烟材料稳定地提供适量的烟雾。
第四阶段持续的时长受发烟材料性质的影响，该阶段发烟材料的有用成分虽较少，但需要的升温幅度并不大。
第五阶段持续的时长受发烟材料性质的影响，该阶段目的在于将发烟材料最后少量的有用成分尽快地消耗掉，从而保证最后阶段的烟雾量不会太低。
需要说明的时，以上第一温度阈值和第二温度阈值二者的大小没有必然的关系。二者分别根据发烟材料以及加热不燃烧装置的特性而设定。
基于相同的发明构思，参考图4，本申请的实施例提供一种加热不燃烧装置，包括：测温元件1、加热元件2和控制元件3，测温元件1用于测量发烟材料的温度，加热元件2用于对发烟材料加热，控制元件3包括存储器31和处理器32，存储器31存储指令，处理器32运行指令以执行上述的温度控制方法。
测温元件1例如包括热电偶、热电阻、热敏电阻、红外传感器等。加热元件2例如包括电阻加热器、红外加热器等。存储器31包括但不限于磁盘存储器、CD-ROM、光学存储器、只读存储器(ROM)或闪存(flash RAM)等。处理器32例如是中央处理器(CPU)、微控制单元(MCU)等。当然，存储器31和处理器32也可以是集成在一个元件内。
控制元件3可以根据发烟材料的实时温度与预期温度，调整加热元件2的加热功率，从而实现对发烟材料温度的控制。当然，控制元件2也可以根据预设的加热程序控制加热元件的加热功率来实现上述的温度曲线。
本申请中的各个实施例均采用递进的方式描述，各个实施例之间相同相似的部分互相参见即可，每个实施例重点说明的都是与其他实施例的不同之处。
本申请的保护范围不限于上述的实施例，显然，本领域的技术人员可以对本申请进行各种改动和变形而不脱离本申请的范围和精神。倘若这些改动和变形属于本申请权利要求及其等同技术的范围，则本申请的意图也包含这些改动和变形在内。

Claims (14)

  1. 一种加热不燃烧装置的温度控制方法，其特征在于：包括：
    控制发烟材料的温度维持为第二温度阈值；
    控制所述发烟材料从所述第二温度阈值升温至第三温度阈值；
    控制所述发烟材料的温度维持为所述第三温度阈值,经设定时长后结束对所述发烟材料的加热；
    其中，所述第二温度阈值记为T2，所述第三温度阈值记为T3，满足：T2＜T3。
  2. 根据权利要求1所述的温度控制方法，其特征在于，控制发烟材料的温度维持为第二温度阈值之前，还包括：
    控制所述发烟材料升温至第一温度阈值；
    控制所述发烟材料的温度维持在所述第一温度阈值和第二温度阈值之间，并最终降温至所述第二温度阈值；
    其中，所述第一温度阈值记为T1，满足：T2＜T1。
  3. 根据权利要求2所述的温度控制方法，其特征在于：控制所述发烟材料的温度维持在所述第一温度阈值和第二温度阈值之间，并最终降温至所述第二温度阈值，包括：
    控制所述发烟材料持续降温至所述第二温度阈值；或者，控制所述发烟材料阶梯式降温至所述第二温度阈值。
  4. 根据权利要求3所述的温度控制方法，其特征在于，控制所述发烟材料阶梯式降温，包括：关闭加热元件以使所述发烟材料降温，启动加热元件以使所述发烟材料保持温度不变。
  5. 根据权利要求2所述的温度控制方法，其特征在于，300℃≤T1≤380℃。
  6. 根据权利要求2所述的温度控制方法，其特征在于，控制所述发烟材料的温度维持在所述第一温度阈值和第二温度阈值之间，并最终降温至所述第二温度阈值，该过程持续时长记为t2，满足：1s≤t2≤45s。
  7. 根据权利要求2所述的温度控制方法，其特征在于，控制所述发烟材料升温至第一温度阈值，该过程持续时长记为t1，满足：5s≤t1≤25s。
  8. 根据权利要求1所述的温度控制方法，其特征在于，控制所述发烟材料从所述第二温度阈值升温至第三温度阈值，包括：
    控制所述发烟材料持续升温至所述第三温度阈值；或者，控制所述发烟材料阶梯式升温至所述第三温度阈值。
  9. 根据权利要求1所述的温度控制方法，其特征在于，150℃≤T2≤350℃。
  10. 根据权利要求1所述的温度控制方法，其特征在于，200℃≤T3≤380℃。
  11. 根据权利要求1所述的温度控制方法，其特征在于，控制发烟材料的温度维持为第二温度阈值，该过程持续时长记为t3，满足：30s≤t3≤300s。
  12. 根据权利要求1所述的温度控制方法，其特征在于，控制所述发烟材料从所述第二温度阈值升温至第三温度阈值，该过程持续时长记为t4，满足：15s≤t4≤180s。
  13. 根据权利要求1所述的温度控制方法，其特征在于，控制所述发烟材料的温度维持为所述第三温度阈值，该过程持续时长记为t5，满足：10s≤t5≤120s。
  14. 一种加热不燃烧装置，其特征在于，包括加热元件和控制元件，所述加热元件用于对所述发烟材料加热，所述控制元件还包括存储器和处理器，所述存储器存储指令，所述处理器运行所述指令以执行根据权利要求1-13任意一项所述的温度控制方法。
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JP2023511828A (ja) 2023-03-23
CN112369722A (zh) 2021-02-19
CN112369722B (zh) 2023-03-17
KR20220050207A (ko) 2022-04-22
JP7438364B2 (ja) 2024-02-26

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