阅读说明：本技术 一种具有多个温度探点的发热体 (Heating element with multiple temperature probe points ) 是由 彭世键 于 2020-06-28 设计创作，主要内容包括：本发明提供一种具有多个温度探点的发热体,具体涉及低温不燃烧电子烟技术领域,其特征在于,包括加热体,锅壁,中心棒和温度探点,所述锅壁一端包覆加热体,另一端为空腔,所述中心棒设于加热体,并从加热体中向锅壁的空腔内延伸出一段,所述加热体与锅壁之间具有空隙,为通气孔,所述温度探点设于加热体内和锅壁的侧面。本发明提供的电子烟发热体,采用将发热体设于锅壁底部,中间设中心棒的设计,实现了对烟叶的全方位加热烘烤,即包含中心,四周和底部同时加热,并且在发热体的朵儿部位设置安装温度探头实时检测温度,从而使烟叶加热均匀,口感达到最佳效果。(The invention provides a heating element with a plurality of temperature detection points, and particularly relates to the technical field of low-temperature non-combustible electronic cigarettes. The electronic cigarette heating body provided by the invention adopts the design that the heating body is arranged at the bottom of the pot wall, the center rod is arranged in the middle, the tobacco leaves are heated and roasted in all directions, namely the heating body comprises the center, the periphery and the bottom are heated simultaneously, and the temperature probe is arranged at the stub part of the heating body for detecting the temperature in real time, so that the tobacco leaves are heated uniformly, and the taste achieves the best effect.)

1. A heating element with a plurality of temperature detection points is characterized by comprising a heating body and a heat conductor, wherein the heating body is in contact with the heat conductor, the heat conductor and the heating body are provided with a plurality of temperature detection points, and temperature sensors are arranged in the temperature detection points; still include control circuit, control circuit includes main control MCU, and chip is put in temperature detection fortune, the chip that charges, MOS pipe and battery, the heating member passes through the MOS pipe and links to each other with main control MCU, MCU links to each other with chip is put in temperature detection fortune, chip temperature sensor is put in temperature detection fortune links to each other, the battery is the heating member and the MCU power supply.

2. A heat-generating body having a plurality of temperature detecting points as described in claim 1, wherein said temperature detecting points are provided inside or outside the heat conductor, inside or outside the heating body.

3. A heating element as claimed in claim 1 or 2, wherein the heat conductor comprises a pot wall and a central rod, one end of the pot wall covers the heating element, the other end of the pot wall is a cavity, the central rod is arranged on the heating element and extends out of the heating element to a section of the pot wall, a gap is arranged between the heating element and the pot wall and is a vent, and the temperature detecting points are arranged in the heating element and the pot wall.

4. A heating element as claimed in claim 3, having multiple temperature detecting points, wherein the temperature detecting points are disposed on the side or inside of the pot wall.

5. A heating element having multiple temperature detecting points as claimed in claim 1, wherein a heating resistance wire is provided in the heating element, and the main control MCU is connected to the heating resistance wire through an MOS tube.

6. A heat-generating body having a plurality of temperature detecting points as described in claim 1, wherein said temperature sensor is a thermocouple or a thermistor.

7. A heat-generating body having a plurality of temperature detecting points as described in claim 1, wherein said heat conductor is a material having high thermal conductivity.

[ technical field ]

The invention relates to the technical field of electronic cigarettes, in particular to the technical field of low-temperature non-combustible electronic cigarettes.

[ background art ]

At present, modern people are aware of the harm of cigarette to human health and the pollution of cigarette smoke to the atmospheric environment, especially the indoor environment, and along with the improvement of life quality, the attention to self health and the attention of society to the pollution of the external environment, especially the indoor environment are imperative to reduce harm. In order to solve the problem of excessive dependence of the traditional cigarette on the addiction of monarch drugs, electronic cigarettes (namely, electronic atomization devices) and low-temperature non-combustion cigarettes are produced in recent years. The electronic cigarette and the low-temperature non-combustion cigarette are mainly used for replacing the traditional cigarette.

In the field of low-temperature non-combustion electronic cigarettes, a heating body structure and a heating body temperature control scheme are core technologies, and the technical schemes directly influence the effect of a product. The heating mode of the low-temperature non-burning electronic cigarette in the current market is divided into: central heating, peripheral heating and bottom heating. The three modes have the disadvantages that the temperature of each part of the whole heating body is not uniform, and the tobacco leaves are heated differently when in use, so that the baked part is burnt, the part is not heated fully, and the taste of the tobacco leaves can not be baked perfectly, thereby influencing the experience.

[ summary of the invention ]

In order to overcome the defects of the prior art, the low-temperature non-combustion heating body provided by the invention has a comprehensive heating structure and is uniformly heated.

A heating element with a plurality of temperature detection points is characterized by comprising a heating body and a heat conductor, wherein the heating body is in contact with the heat conductor, the heat conductor and the heating body are provided with a plurality of temperature detection points, and temperature sensors are arranged in the temperature detection points; still include control circuit, control circuit includes main control MCU, and chip is put in temperature detection fortune, the chip that charges, MOS pipe and battery, the heating member passes through the MOS pipe and links to each other with main control MCU, MCU links to each other with chip is put in temperature detection fortune, chip temperature sensor is put in temperature detection fortune links to each other, the battery is the heating member and the MCU power supply.

Furthermore, the temperature probe is arranged inside or outside the heat conductor and inside or outside the heating body.

The heat conductor comprises a pot wall and a central rod, one end of the pot wall wraps the heating body, the other end of the pot wall is a cavity, the central rod is arranged on the heating body and extends out of the heating body to form a section of the pot wall, a gap is formed between the heating body and the pot wall and is a vent hole, and the temperature detection point is arranged in the heating body and the pot wall.

Furthermore, the temperature probe point is arranged on the side surface or inside the pot wall.

Furthermore, a heating resistance wire is arranged in the heating body, and the master control MCU is connected with the heating resistance wire through an MOS tube.

Further, the temperature sensor is a thermocouple or a thermistor.

Further, the heat conductor is made of a material with high heat conductivity.

The invention has the beneficial effects that:

the electronic cigarette heating body provided by the invention adopts the design that the heating body is arranged at the bottom of the pot wall, the center rod is arranged in the middle, the tobacco leaves are heated and roasted in all directions, namely the heating body comprises the center, the periphery and the bottom are heated simultaneously, and the temperature probe is arranged at the stub part of the heating body for detecting the temperature in real time, so that the tobacco leaves are heated uniformly, and the taste achieves the best effect.

[ description of the drawings ]

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a control diagram of an embodiment of the present invention;

FIG. 3 is a control flow diagram according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a control circuit according to an embodiment of the invention.

[ detailed description of the invention ]

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

The embodiment provided by the invention is shown in figure 1, and comprises a heating body 1, a pot wall 2, a central rod 3 and a temperature detection point 4, wherein one end of the pot wall 2 is coated with the heating body 1, the other end of the pot wall is a cavity 5, tobacco leaves are filled in the cavity 5, the central rod 3 is arranged in the heating body 1, a section extends out of the heating body 1 to the cavity 5 of the pot wall 2, a gap is formed between the heating body 1 and the pot wall 2 and is a vent hole 6, the wall of the pot 2 and the central rod 3 are made of materials with high thermal conductivity, when the heating body 1 at the bottom is electrified and heated, heat is conducted to the tobacco leaves in the cavity 5 through the central rod 3 and the pot wall 2, the heating of the periphery, the middle and the bottom of the tobacco leaves is heated, and meanwhile, when a user inhales air, the vent hole.

As shown in fig. 2, still include MCU7 and battery 8, temperature probe point 4 is located in heating body 2 and the side of pot wall 3, be equipped with temperature sensor 41 in the temperature probe point 4, and temperature sensor 41 chooses the thermocouple for use, MCU7 links to each other with temperature sensor 41, be equipped with heating resistor silk 11 in the heating body 1, heating resistor silk 11 passes through MOS tube 9 and links to each other with MCU7, battery 8 is the power supply of heating resistor silk 11 and MCU7, MCU7 still links to each other and indicates operating condition with signal lamp 21, the whole heating device of thermocouple sampling temperature real-time supervision, the temperature sampling value of MCU7 detection 2 thermocouples, then do corresponding regulation, guarantee that the temperature in the pot body is in stable temperature state.

MCU is equipped with and presets the temperature, and it is yes to detect the temperature arrival and predetermine the temperature when MCU, closes the MOS and stops to give heating resistor silk heating, detects the heating member temperature once more and is less than after predetermineeing the temperature, opens the MOS and continues to give heating resistor silk heating to it is even to reach and keep whole temperature. As shown in fig. 3, which is a control flow diagram and a control schematic diagram of fig. 4, wherein U1 is a main control MCU, U2 and U3 are operational amplifier chips required for detecting temperature, U4 is a charging chip, Q1 is a MOS transistor, K1 is a key switch, and a thermocouple J1 and J2; the working principle is as follows: the thermocouples of J1 and J2 are respectively arranged at the temperature detection points in the graph 1 in advance, after the MCU receives a key instruction, the MOS tube is opened to heat when heating, the thermocouples of J1 and J2 enable output voltage values at two ends of the thermocouples to be correspondingly increased due to temperature rise, the output voltage values are transmitted to the main control MCU through the U2 and the U3 operational amplifier, meanwhile, the main control MCU converts temperature values of the temperature detection points through AD sampling, the MOS is closed immediately to stop heating when the temperature of the 2 detection points reaches the preset temperature, the MOS is opened again to continue heating when the temperature is lower than the preset temperature, and real-time monitoring of the temperature is achieved through repeated control.

The temperature probe adopts a thermocouple sampling mode, so that the temperature probe has quick response to temperature monitoring and more stable temperature detection, or is other thermistors and other elements capable of detecting temperature.

Above-mentioned embodiment adopts brand-new mode structure, can be to the center of cavity, bottom and heating all around to set up the temperature probe in a plurality of positions, guaranteed to toast the uniformity of temperature in the cavity, give the best experience sense of user.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiment, and all technical solutions belonging to the principle of the present invention belong to the protection scope of the present invention. Modifications to the disclosed embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.