WO2023093099A1 - Atomizer and aerosol generating device - Google Patents

Abstract

An atomizer (110) and an aerosol generating device (100, 200, 300). The atomizer (110) comprises an atomization core (40), an aerosol overflow channel and an aerosol matrix storage cavity (21), wherein the atomization core (40) comprises an atomization cavity (42), and the atomization cavity (42) is in communication with the aerosol overflow channel and the aerosol matrix storage cavity (21), respectively; and the atomizer (110) further comprises a detection element (130, 140, 150), which is arranged in at least one of the aerosol matrix storage cavity (21), the atomization cavity (42) and the aerosol overflow channel, the detection element (130, 140, 150) being used for detecting whether an aerosol matrix in the aerosol matrix storage cavity (21) contains a component harmful to the body, and if the aerosol matrix contains a component harmful to the body, the detection element (130, 140, 150) exhibiting a color or giving an alarm. The atomizer (110) and the aerosol generating device (100, 200, 300) can detect, in a timely manner, whether the aerosol matrix in the atomizer (110) contains a component harmful to the health of a user.

Description

Nebulizer and aerosol generating device

technical field

The present application relates to the technical field of aerosol generating devices, in particular to an atomizer and an aerosol generating device.

Background technique

The hazards of traditional cigarettes are gradually recognized by the public. As a substitute for traditional cigarettes, electronic cigarettes (aerosol generating devices) are increasingly accepted by smoking consumer groups and gradually expanding their market share. The electronic cigarette is essentially an aerosol generating device. The aerosol generating device includes an atomizer and a host. The host is electrically connected to the atomizer. There is a battery in the host, and the battery provides electric energy for the atomizer, so that the The heating element in the atomizer generates heat to atomize the aerosol base material entering the atomization chamber, thereby generating aerosol for inhalation by the user.

However, e-cigarettes may be lost or temporarily away from users. In this case, some harmful ingredients may be added to the e-cigarette oil by people with ulterior motives, and users cannot intuitively see Check whether the e-liquid of your own e-cigarette contains ingredients that are harmful to the body. After accidentally inhaling the smoke produced by the e-liquid that contains ingredients that are harmful to health, it will affect the health of the user.

Contents of the invention

Therefore, the present application provides a nebulizer and an aerosol generating device capable of timely detecting whether the aerosol matrix in the nebulizer contains components harmful to health.

The present application provides an atomizer, which includes an atomization core, an aerosol overflow channel, and an aerosol matrix storage chamber; The aerosol matrix storage cavity is connected; the atomizer also includes:

The detection element is arranged in at least one of the aerosol matrix storage chamber, the atomization chamber and the aerosol overflow channel; the detection element is used to detect the aerosol matrix located in the aerosol matrix storage chamber Whether it contains components that are harmful to the body, if the aerosol matrix contains components that are harmful to the body, the detection element will develop a color or give an alarm.

In an optional embodiment of the present application, the atomizer further includes a first casing, the first casing is at least partially transparent, so that the detection device can be observed through the partially transparent first casing. The color rendering of the component.

In an optional embodiment of the present application, the detection element is at least one of a test paper, a reagent and a coating.

In an optional embodiment of the present application, the detection element is at least one of potassium dichromate test paper, potassium dichromate coating and potassium dichromate reagent; if the aerosol matrix contains alcohol, acetone , acetaldehyde, methanol and propanol, and the detection element changes from orange to gray-green.

In an optional embodiment of the present application, the detection element is at least one of a drug detection test paper, a drug detection reagent, and a drug detection coating; if the aerosol matrix contains drugs, the substance on the detection element A color band appears on the control line and no color band appears on the detection line.

In an optional embodiment of the present application, the atomizer includes a nozzle, and the nozzle includes a nozzle part and a sealing member, and a nozzle channel is opened on the nozzle part to communicate with the outside world and the suction nozzle. The first opening of the mouth channel, the sealing member seals the first opening; the aerosol overflow channel includes an air outlet channel communicated with the atomization chamber and a suction nozzle channel communicated with the air outlet channel; when the When the detection element is a test paper, the detection element can enter the nozzle channel from the first opening.

In an optional embodiment of the present application, at least one oil filling port communicating with the outside world and the aerosol matrix storage chamber is opened on the first housing, and there is an oil filling plug in the oil filling port; when the detection element When it is a coating, the detection element is located on the inner wall of at least one of the aerosol matrix storage chamber, the atomization chamber, the aerosol overflow channel, and the oil filling port, or formed on the side of the oil filling plug facing the on the surface of the aerosol matrix storage chamber.

In an optional embodiment of the present application, a storage tank and a waterproof breathable membrane covering the opening of the storage tank are also formed on the inner wall of the aerosol overflow channel of the nebulizer; when the detection element is When detecting the reagent, the detection reagent is contained in the storage tank; the aerosol generated in the atomization chamber enters the storage tank from the waterproof and breathable membrane and contacts the detection reagent, reacts and shows color.

The present application also provides an aerosol generating device, which includes a host and an atomizer as described above, and the atomizer is electrically connected to the host.

In an optional embodiment of the present application, the aerosol generating device further includes a sensor and an alarm electrically connected to the detection element, and the sensor is used to send the detection result of the detection element to the alarm After the alarm device receives the detection result, it sends out a corresponding alarm according to the detection result.

In the atomizer and aerosol generating device provided by the present application, in at least one of the aerosol matrix storage chamber, the atomization chamber, the oil filling port and the aerosol overflow channel or facing the oil filling plug A detection element (detection test paper, detection coating, detection reagent, etc.) is arranged on the surface of the aerosol matrix storage cavity, and the detection element can detect whether the aerosol matrix located in the aerosol matrix storage cavity contains substances harmful to the body. components (for example: alcohol, drugs, etc.), if the aerosol matrix contains components that are harmful to the body, the detection element will display color or give an alarm, so that the user of the aerosol generating device can lose or stay away from the aerosol generating device. After a period of time, when the user gets the aerosol generating device again, he will know in time whether the aerosol matrix contains components harmful to the body, so as to ensure the health of the user.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application. For those skilled in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is a schematic diagram of an aerosol generating device provided in the first embodiment of the present application.

Fig. 2 is a cross-sectional view of the aerosol generating device shown in Fig. 1 .

Fig. 3 is a sectional view from another angle of the aerosol generating device shown in Fig. 1 .

Fig. 4 is a cross-sectional view of the aerosol generating device provided by the second embodiment of the present application.

Fig. 5 is a cross-sectional view of the aerosol generating device provided by the third embodiment of the present application.

Fig. 6 is a partially enlarged view of the aerosol generating device shown in Fig. 5 .

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description. It is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed, or operate in a particular orientation, and thus should not be construed as limiting the application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of said features. In the description of the present application, "plurality" means two or more, unless otherwise specifically defined.

The present application may repeat reference numerals and/or reference letters in different implementations, such repetition is for simplicity and clarity and does not in itself indicate a relationship between the various implementations and/or arrangements discussed.

This application aims at the technical problem of whether the aerosol matrix in the existing aerosol generating device contains components that are harmful to the body. A detection element (detection test paper, detection coating, detection reagent, etc.) Whether the aerosol matrix in the aerosol matrix storage cavity contains harmful components to the body (for example: alcohol, drugs, etc.), if the aerosol matrix contains components that are harmful to the body, the detection element will develop color or give an alarm, so that the air The user of the aerosol generating device can know in time whether the aerosol matrix contains ingredients that are harmful to the body when the aerosol generating device is lost or away from the user for a period of time and gets the aerosol generating device again, so as to ensure that the user of good health.

Please refer to FIG. 1 to FIG. 3 , the first embodiment of the present application provides an aerosol generating device 100 , the aerosol generating device 100 includes a nebulizer 110 , a host 120 and a detection element 130 . The atomizer 110 is electrically connected to the host 120 , and the detection element 130 is located in the atomizer 110 .

Wherein, please refer to FIG. 2 again, the atomizer 110 includes a suction nozzle 10 , a first housing 20 , an outlet pipe 30 , an atomizing core 40 and an atomizing support 50 . The suction nozzle 10 is fixed on the first housing 20 , and the air outlet pipe 30 , the atomizing core 40 and the atomizing holder 50 are all accommodated in the first housing 20 .

In this embodiment, the suction nozzle 10 includes a suction nozzle portion 11 and a seal (not shown), wherein the suction nozzle portion 11 is sheathed on the first housing 20 . The nozzle part 11 is provided with a nozzle channel 13 passing through the nozzle part 11 and a first opening 12 communicating with the outside world and the nozzle channel 13 , and the sealing member seals the first opening 12 .

In other embodiments, the first opening 12 may not be opened on the suction nozzle part 11 .

Wherein, an aerosol base storage cavity 21 is formed between the first housing 20 , the air outlet pipe 30 and the atomization support 50 , and the aerosol base storage cavity 21 is used for storing the aerosol base.

The first casing 20 is at least partially transparent, so as to observe the color development of the detection element 130 through the partially transparent first casing 20 .

The first casing 20 is also provided with at least one oil filling port (not shown) communicating with the outside world and the aerosol matrix storage chamber 21 , and an oil filling plug (not shown) is provided in the oil filling port.

An air outlet channel 31 is provided on the air outlet pipe 30 , and the air outlet channel 31 communicates with the nozzle channel 13 . The air outlet channel 31 and the nozzle channel 13 are collectively referred to as an aerosol overflow channel.

The atomizing core 40 includes an atomizing tube 41 , a heating element 43 and a liquid guiding element (not shown). An end of the air outlet pipe 30 away from the suction nozzle 10 is sealed and connected with the atomizing pipe 41 . The atomizing tube 41 is also provided with a second opening 411 . The atomizing tube 41 also includes an atomizing chamber 42, the heating element 43 and the liquid guiding element are accommodated and fixed in the atomizing chamber 42, and the atomizing chamber 42 is connected to the air outlet channel respectively. 31 and the aerosol storage chamber 21 are connected. The aerosol stored in the aerosol storage chamber 21 can enter the atomization chamber 42 through the second opening. Specifically, the liquid guiding member is arranged on the inner wall of the atomization chamber 42 and faces the second opening 411, and the aerosol matrix stored in the aerosol storage chamber 21 can enter through the second opening 411. The liquid guiding element is heated and atomized by the heating element 43 to form an aerosol. The aerosol enters the nozzle channel 13 through the air outlet channel 31 and is sucked into the mouth by the user.

Wherein, the atomizing bracket 50 is composed of well-known seals, bases and the like in the industry, which will not be described in detail here.

Wherein, the atomizer 110 also includes two atomizing electrodes 51 , and the two atomizing electrodes 51 are fixed in the atomizing bracket 50 . One of the two atomization electrodes 51 is a positive atomization electrode and the other is a negative atomization electrode. One ends of the two atomizing electrodes 51 are electrically connected to the heating element 43 respectively.

Wherein, the atomizer 110 further includes at least one first air inlet passage (not shown in the figure), the first air inlet passage is opened in the atomization bracket 50 and communicated with the atomization chamber 42 .

Wherein, the host 120 includes a host bracket 60 , two host electrodes 61 , a circuit board 70 , a power supply device 80 and a second housing 90 . Wherein, the two host electrodes 61, the circuit board 70 and the power supply device 80 are all fixed on the host bracket 60, and the host bracket 60 is accommodated and fixed in the second housing 90, when When the atomizer 110 is assembled and connected with the host 120 , the end of the first housing 20 away from the suction nozzle 10 is accommodated in the second housing 90 . One of the two host electrodes 61 is a positive host electrode, and the other is a negative host electrode; the two host electrodes 61 are respectively electrically connected to the circuit board 70, and the circuit board 70 is connected to the power supply device 80 electrical connection. When the host 120 and the atomizer 110 are assembled and connected together, the two atomizing electrodes 51 are electrically connected to the two host electrodes 61 respectively. Specifically, the positive atomizing electrode is electrically connected to the positive host electrode, and the negative atomizing electrode is electrically connected to the negative host electrode.

Wherein, the main frame 60 is further provided with a second air intake passage 62, and the second air intake passage 62 communicates with the first air intake passage.

Wherein, the second housing 90 is further provided with an air inlet (not shown in the figure), and the air inlet communicates with the outside world and the second air inlet passage 62 . Outside air enters the second air intake passage 62 through the air inlet, enters the first air intake passage through the second air intake passage 62, and then enters the first air intake passage through the first air intake passage. into the atomization chamber 42, and drive the aerosol into the air outlet channel 31 and the nozzle channel 13 together, and the sucker inhales.

Wherein, the host 120 also includes a microphone (not shown), the microphone is fixed in the host bracket 60 and is electrically connected to the circuit board 70, and the microphone is connected to the second air intake channel 62 is connected, the microphone senses the electrical parameter generated by the negative pressure generated by the change of the air flow in the second air intake passage 62, and outputs a sensing signal to the circuit board 70 according to the change of the electrical parameter , the circuit board 70 determines whether to control the power supply device 80 to supply power to the atomizer 110 according to the sensing signal.

Wherein, the detection element 130 is arranged in at least one of the aerosol matrix storage chamber 21, the atomization chamber 42 and the aerosol overflow channel (including the air outlet channel 31 and the nozzle channel 13). . The detection element 130 is used to detect whether the aerosol base located in the aerosol base storage chamber 21 contains components harmful to the body, if the aerosol base contains components harmful to the body, the detection element 130 will develop color or emit alarm.

Wherein, the detection element 130 may be at least one of a test paper, a reagent and a coating.

In an optional embodiment of the present application, the detection element 130 is at least one of potassium dichromate test paper, potassium dichromate coating and potassium dichromate reagent. Wherein, potassium dichromate test paper, potassium dichromate coating and potassium dichromate reagent can detect whether the aerosol matrix located in the aerosol matrix storage chamber 21 contains alcohol, acetone, acetaldehyde, methanol and propanol, etc. at least one of the If the aerosol matrix contains at least one of alcohol, acetone, acetaldehyde, methanol and propanol, the detection element 130 changes from orange to gray-green.

In another optional embodiment of the present application, the detection element 130 may also be at least one of a drug detection test paper, a drug detection reagent, and a drug detection coating. Wherein, the drug detection test paper, the drug detection reagent and the drug detection coating can detect whether the aerosol matrix located in the aerosol matrix storage cavity 21 contains drugs, such as methamphetamine. If a color band appears on the quality control line (C line) on the detection element 130 and no color band appears on the detection line (T line), then the aerosol matrix contains drugs. If a color band appears on both the quality control line (C line) and the detection line (T line) on the detection element 130, it means that the aerosol matrix does not contain drugs. Wherein, the appearance of the detection line (T line) indicates that no methamphetamine (drug) exists, and the appearance of the quality control line (C line) indicates that the detection element is working normally.

Of course, the detection element 130 is not limited to potassium dichromate and drug detection reagents, coatings and test papers, and can also be other known and unknown reagents, coatings and test papers for detecting harmful components to the human body.

Wherein, when the detection element 130 is a coating, the detection element 130 can be located on the inner wall of at least one of the aerosol matrix storage chamber 21, the atomization chamber 42, the oil filling port and the aerosol overflow channel. or formed on the surface of the oil filling plug facing the aerosol matrix storage cavity 21 .

When the detection element 130 is a test paper, the detection element 130 may be located on the inner wall of at least one of the aerosol matrix storage chamber 21 , the atomization chamber 42 and the aerosol overflow channel.

When the detection element 130 is a reagent, the detection element 130 may be located on the inner wall of the aerosol overflow channel.

Wherein, the aerosol generating device 100 may also include a sensor (not shown) and an alarm (not shown) electrically connected to the detection element 130, the sensor communicates with the alarm signal and is used to The detection result of the detection element 130 is sent to the alarm, and after receiving the detection result, the alarm sends a corresponding alarm according to the detection result to prompt the user.

Specifically, referring to FIG. 2 and FIG. 3 , in the first embodiment of the present application, the detection element 130 is a test paper and is arranged in the nozzle channel 13 . More specifically, when the user of the aerosol generating device 100 needs to detect the aerosol matrix in the aerosol matrix storage chamber 21, the sealing member located in the first opening 12 can be taken out and The external detection element 130 is inserted into the first opening 12 . The detection element 130 can also be arranged on the inner wall of the air outlet channel 31 .

Specifically, please refer to FIG. 4. In the second embodiment of the present application, the present application also provides an aerosol generating device 200. The structure of the aerosol generating device 200 is similar to that of the aerosol generating device 100. The difference is The only thing is: the detection element 140 of the aerosol generating device 200 is a test paper or a coating and is arranged on the inner wall of the aerosol matrix storage chamber 21 .

Specifically, please refer to Fig. 5 and Fig. 6, in the second embodiment of the present application, the present application also provides an aerosol generating device 300, the aerosol generating device 300 is similar in structure to the aerosol generating device 100 , the difference is only that: the detection element 150 of the aerosol generating device 300 is a reagent and is arranged on the inner wall of the aerosol overflow channel (outlet channel 31). Specifically, a storage tank 151 and a waterproof breathable membrane 153 covering the opening of the storage tank 151 are also formed on the inner wall of the aerosol overflow channel of the atomizer 110, and the detection reagent 152 is stored in the storage tank. within 151. The storage tank 151 , the detection reagent 152 and the waterproof gas-permeable membrane 153 constitute the detection element 150 of the aerosol generating device 300 . The aerosol generated in the atomization chamber 42 enters the storage tank 151 from the waterproof and gas-permeable membrane 153 and contacts with the detection reagent, reacts and develops a color.

In the atomizer and aerosol generating device provided by the present application, in at least one of the aerosol matrix storage chamber, the atomization chamber, the oil filling port and the aerosol overflow channel or facing the oil filling plug A detection element (detection test paper, detection coating, detection reagent, etc.) is arranged on the surface of the aerosol matrix storage cavity, and the detection element can detect whether the aerosol matrix located in the aerosol matrix storage cavity contains substances harmful to the body. components (for example: alcohol, drugs, etc.), if the aerosol matrix contains components that are harmful to the body, the detection element will display color or give an alarm, so that the user of the aerosol generating device can lose or stay away from the aerosol generating device. After a period of time, when the user gets the aerosol generating device again, he will know in time whether the aerosol matrix contains components that are harmful to the body, so as to ensure the health of the user.

The atomizer and the aerosol generating device provided by the embodiments of the present application have been introduced in detail above, and specific examples have been used in this paper to illustrate the principles and implementation methods of the present application. The descriptions of the above embodiments are only used to help understand the present application. The technical solution of the application and its core idea; those skilled in the art should understand that it can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements, The essence of the corresponding technical solutions does not depart from the scope of the technical solutions of the embodiments of the present application.

Claims (20)

An atomizer, comprising an atomization core, an aerosol overflow channel, and an aerosol matrix storage chamber; the atomization core includes an atomization cavity, and the atomization cavity is respectively connected to the aerosol overflow channel and the The matrix storage cavity is connected; wherein, the atomizer also includes: The detection element is arranged in at least one of the aerosol matrix storage chamber, the atomization chamber and the aerosol overflow channel; the detection element is used to detect the aerosol matrix located in the aerosol matrix storage chamber Whether it contains components that are harmful to the body, if the aerosol matrix contains components that are harmful to the body, the detection element will develop a color or give an alarm. The atomizer of claim 1, wherein said atomizer further comprises a first housing, said first housing being at least partially transparent for viewing through said partially transparent first housing The color development of the detection element. The nebulizer according to claim 2, wherein the detection element is at least one of a test paper, a reagent and a coating. The atomizer according to claim 3, wherein the detection element is at least one of potassium dichromate test paper, potassium dichromate coating and potassium dichromate reagent; if the aerosol matrix contains At least one of alcohol, acetone, acetaldehyde, methanol and propanol, the detection element changes from orange to gray-green. The atomizer according to claim 3, wherein the detection element is at least one of a drug detection test paper, a drug detection reagent, and a drug detection coating; if the aerosol matrix contains drugs, the detection element A color band appears on the quality control line and no color band appears on the test line. The atomizer according to claim 3, wherein the atomizer includes a nozzle, the nozzle includes a nozzle part and a sealing member, and a nozzle channel is opened on the nozzle part to communicate with the outside world and The first opening of the nozzle channel, the sealing member seals the first opening; the aerosol overflow channel includes an air outlet channel communicated with the atomization chamber and a nozzle channel communicated with the air outlet channel; When the detection element is a test paper, the detection element can enter the nozzle channel from the first opening. The atomizer according to claim 4, wherein the atomizer comprises a nozzle, the nozzle includes a nozzle part and a sealing member, and a nozzle channel is opened on the nozzle part to communicate with the outside world and The first opening of the nozzle channel, the sealing member seals the first opening; the aerosol overflow channel includes an air outlet channel communicated with the atomization chamber and a nozzle channel communicated with the air outlet channel; When the detection element is a test paper, the detection element can enter the nozzle channel from the first opening. The atomizer according to claim 5, wherein the atomizer includes a nozzle, the nozzle includes a nozzle part and a sealing member, and a nozzle channel is opened on the nozzle part to communicate with the outside world and The first opening of the nozzle channel, the sealing member seals the first opening; the aerosol overflow channel includes an air outlet channel communicated with the atomization chamber and a nozzle channel communicated with the air outlet channel; When the detection element is a test paper, the detection element can enter the nozzle channel from the first opening. The atomizer according to claim 3, wherein at least one oil filling port communicating with the outside world and the aerosol matrix storage chamber is opened on the first housing, and there is an oil filling plug in the oil filling port; when the When the detection element is a coating, the detection element is located on the inner wall of at least one of the aerosol matrix storage chamber, the atomization chamber, the aerosol overflow channel, and the oil filling port, or formed on the oil filling plug on the surface of the storage cavity facing the aerosol matrix. The atomizer according to claim 4, wherein at least one oil filling port communicating with the outside world and the aerosol matrix storage chamber is opened on the first housing, and there is an oil filling plug in the oil filling port; when the When the detection element is a coating, the detection element is located on the inner wall of at least one of the aerosol matrix storage chamber, the atomization chamber, the aerosol overflow channel, and the oil filling port, or formed on the oil filling plug on the surface of the storage cavity facing the aerosol matrix. The atomizer according to claim 5, wherein at least one oil filling port communicating with the outside world and the aerosol matrix storage chamber is opened on the first housing, and there is an oil filling plug in the oil filling port; when the When the detection element is a coating, the detection element is located on the inner wall of at least one of the aerosol matrix storage chamber, the atomization chamber, the aerosol overflow channel, and the oil filling port, or formed on the oil filling plug on the surface of the storage cavity facing the aerosol matrix. The atomizer according to claim 3, wherein a storage tank and a waterproof breathable membrane covering the opening of the storage tank are formed on the inner wall of the aerosol overflow channel of the atomizer; When the detection element is a detection reagent, the detection reagent is accommodated in the storage tank; the aerosol generated in the atomization chamber enters the storage tank from the waterproof and breathable membrane and contacts the detection reagent, generating React and develop color. The atomizer according to claim 4, wherein a storage tank and a waterproof breathable membrane covering the opening of the storage tank are formed on the inner wall of the aerosol overflow channel of the atomizer; When the detection element is a detection reagent, the detection reagent is accommodated in the storage tank; the aerosol generated in the atomization chamber enters the storage tank from the waterproof and breathable membrane and contacts the detection reagent, generating React and develop color. The atomizer according to claim 5, wherein, a storage tank and a waterproof breathable membrane covering the opening of the storage tank are formed on the inner wall of the aerosol overflow channel of the atomizer; When the detection element is a detection reagent, the detection reagent is accommodated in the storage tank; the aerosol generated in the atomization chamber enters the storage tank from the waterproof and breathable membrane and contacts the detection reagent, generating React and develop color. An aerosol generating device, which includes a host and an atomizer, and the atomizer is electrically connected to the host; The atomizer includes an atomization core, an aerosol overflow channel, and an aerosol matrix storage chamber; the atomization core includes an atomization cavity, and the atomization cavity is connected to the aerosol overflow channel and the aerosol matrix The storage cavity is connected; wherein, the atomizer also includes: The detection element is arranged in at least one of the aerosol matrix storage chamber, the atomization chamber and the aerosol overflow channel; the detection element is used to detect the aerosol matrix located in the aerosol matrix storage chamber Whether it contains components that are harmful to the body, if the aerosol matrix contains components that are harmful to the body, the detection element will develop a color or give an alarm. The aerosol generating device according to claim 15, wherein the aerosol generating device further comprises a sensor and an alarm electrically connected to the detection element, and the sensor is used to send the detection result of the detection element to to the alarm, and after receiving the detection result, the alarm sends out a corresponding alarm according to the detection result. The aerosol generating device according to claim 15, wherein the atomizer further comprises a first housing, the first housing is at least partially transparent, so as to see through the partially transparent first housing 28 Check the color development of the detection element. The aerosol generating device according to claim 17, wherein the detection element is at least one of a test paper, a reagent and a coating. The aerosol generating device according to claim 18, wherein the detection element is at least one of potassium dichromate test paper, potassium dichromate coating and potassium dichromate reagent; if the aerosol matrix Contains at least one of alcohol, acetone, acetaldehyde, methanol and propanol, and the detection element changes from orange to gray-green. The aerosol generating device according to claim 18, wherein the detection element is at least one of a drug detection test paper, a drug detection reagent, and a drug detection coating; if the aerosol matrix contains drugs, the detection A color band appears on the quality control line on the component and no color band appears on the test line.