Electronic atomizer

Abstract

The electronic atomizer comprises a shell, the shell is provided with a first air inlet, a second air inlet and an air outlet, the first air inlet and the second air inlet are communicated with the air outlet, and the second air inlet is closer to the air outlet than the first air inlet.

Description

Technical Field

[0001] This utility model relates to the field of electronic atomizer technology, and in particular to an electronic atomizer. Background Technology

[0002] An electronic atomizer is an electronic product that atomizes an aerosol generating matrix to produce flavored aerosols for users to inhale. It includes an atomization chamber and a heating element. The atomization chamber is connected to the outside atmosphere, and the heating element is located in the atomization chamber to receive the aerosol generating matrix and heat the aerosol generating matrix to produce aerosols. Users inhale the aerosols in the atomization chamber by inhaling.

[0003] To meet user needs, electronic atomizers can be equipped with multiple atomization chambers and multiple heating elements. The heating elements are used to heat the liquid matrix to atomize the liquid matrix and generate aerosol. These atomization chambers have the same air inlet and outlet, and even the same aerosol airway. When multiple heating elements work at the same time, a large amount of aerosol will be retained in the airway, resulting in a large amount of condensate in the airway. In addition, an excessively long airway will also affect the aerosol inhalation experience.

[0004] Users expect electronic atomizers to reduce condensation and produce more aerosol when in use. Utility Model Content

[0005] The main objective of this invention is to propose an electronic atomizer that can solve the technical problem of excessive aerosol production in existing electronic atomizers, leading to excessive condensate in the airway.

[0006] To achieve the above objectives, this application provides an electronic atomizer, including a housing, the housing having a first air inlet, a second air inlet and an air outlet, the first air inlet being located away from but communicating with the air outlet, the second air inlet being closer to the air outlet than the first air inlet, and the second air inlet communicating with the air outlet.

[0007] Furthermore, a first air passage is formed between the first air inlet and the air outlet, and a second air passage is formed between the second air inlet and the air outlet. The first air passage and the second air passage are not connected.

[0008] In some embodiments, the air outlet is divided by a wall into two relatively independent first air outlets and second air outlets. The first air outlet is connected to the first air inlet, and the second air outlet is connected to the second air inlet. In some embodiments, the flow rate of the first air outlet is greater than the flow rate of the second air outlet.

[0009] In some embodiments, the first air outlet is disposed within the second air outlet; or the second air outlet is disposed within the first air outlet. Further, a portion of the air passage connecting the second air outlet may be connected to the air passage connecting the first air outlet, so that the first air outlet and the second air outlet can be coaxial.

[0010] In some embodiments, the second air outlet is provided in a plurality of configurations and arranged around the outer periphery of the first air outlet. Aerosol discharged through the second air outlet can encapsulate or fuse with aerosol discharged through the first air outlet.

[0011] In some embodiments, the housing includes a first housing and a second housing that are detachably connected, with a first air inlet on the first housing, a second air inlet on the second housing, and an air outlet on the second housing. Further, in some embodiments, the second housing is connected to the first housing with a connection gap, the connection gap communicating with the second air inlet.

[0012] In some embodiments, the electronic atomizer further includes a first airflow control valve for regulating the fluid flow rate entering the first air inlet. In some embodiments, the housing is provided with a first movable member that is movable relative to the first air passage or the first air inlet. The first movable member is operably closed or opened through the first air passage or the first air inlet to control the magnitude of the incoming gas flow rate, thereby increasing or decreasing the external air flow rate entering the first air passage, or even closing the first air passage or the first air inlet.

[0013] In some embodiments, the electronic atomizer further includes a second airflow control valve for regulating the flow rate of fluid entering the second air inlet. In some embodiments, the housing is provided with a second movable member that is movable relative to the second air passage or the second air inlet. The second movable member is operable to close or open the second air passage or the second air inlet to control the magnitude of the incoming gas flow rate, thereby increasing or decreasing the external air flow rate entering the second air passage, or even closing the second air passage or the second air inlet.

[0014] In some embodiments, this application also provides an electronic atomizer, wherein the electronic atomizer further comprises:

[0015] A first atomizing chamber is disposed within the housing, with one end of the first atomizing chamber connected to the first air inlet and the other end of the first atomizing chamber connected to the air outlet.

[0016] The first atomizing material is stored inside the housing;

[0017] A first heating element is disposed in the first atomizing chamber to receive and atomize the first atomizing material to generate a first aerosol;

[0018] A second atomizing chamber is disposed inside the housing, one end of the second atomizing chamber is connected to the second air inlet, and the other end of the second atomizing chamber is connected to the air outlet;

[0019] The second atomizing material is stored inside the housing;

[0020] The second heating element is disposed in the second atomizing chamber to receive and atomize the second atomizing material to generate a second aerosol.

[0021] In some embodiments, the first atomizing material contains nicotine or synthetic nicotine, and the second atomizing material is at least one of a compound that stimulates the sense of smell or a compound that stimulates the sense of taste.

[0022] In some embodiments, the electronic atomizer further includes a control circuit electrically connected to the first heating element and the second heating element, respectively, and capable of selectively supplying power to the first heating element, or simultaneously supplying power to both the first and second heating elements. Further, the control circuit includes a battery electrically connected to both the first and second heating elements.

[0023] In summary, the above-mentioned electronic atomizer has two air inlets positioned one near and one far from the air outlet. Each air inlet, connected to the air outlet, forms an air passage that can connect to the atomization chamber to obtain aerosol. This allows for the diversion of the aerosol generated by the electronic atomizer, preventing excessive aerosol production when one or more heating elements are operating, which could lead to condensation of liquid in the gas passage.

[0024] This application also provides an electronic atomizer, including:

[0025] The housing has a proximal end and a distal end that are opposite each other in the longitudinal direction. The housing has a first air inlet near the proximal end, a second air inlet located between the proximal end and the distal end, and an air outlet near the distal end. The first air inlet and the second air inlet are both connected to the air outlet, and the air travel between the second air inlet and the air outlet is shorter.

[0026] In some embodiments, the electronic atomizer further includes:

[0027] The first liquid storage chamber is located inside the shell and is used to store the first atomizing material;

[0028] The second liquid storage chamber is located inside the shell and is used to store the second atomizing material;

[0029] A first atomizing chamber is disposed within the housing, adjacent to the first air inlet, and the first atomizing chamber has a first air passage connecting the first air inlet and the air outlet;

[0030] A first heating element is disposed in the first atomizing chamber and is used to receive the first atomizing material in the first liquid storage chamber and heat and atomize it.

[0031] The second atomizing chamber is disposed inside the housing, adjacent to the second air inlet, and the second atomizing chamber has a second air passage connecting the second air inlet and the air outlet;

[0032] The second heating element is disposed in the second atomizing chamber and is used to receive the second atomizing material in the second liquid storage chamber and heat and atomize it.

[0033] In some embodiments, the electronic atomizer further includes a control circuit for allowing a user to selectively control the first heating element to operate in a powered state, or to control the first heating element and the second heating element to operate simultaneously in a powered state.

[0034] In some embodiments, the first liquid storage chamber or the second liquid storage chamber is filled with a first liquid-absorbing medium and a second liquid-absorbing medium, respectively, wherein the liquid-absorbing medium is used to absorb the first atomizing material. Further, the porosity of the first liquid-absorbing medium is greater than the porosity of the second liquid-absorbing medium.

[0035] In some embodiments, the first heating element has a first resistivity, and the second heating element has a second resistivity that is equal to or different from the first resistivity, for example, the second resistivity is greater than or less than the first resistivity.

[0036] In some embodiments, the first heating element and the second heating element are any one of a metal wire, a ceramic core, or a metal mesh core.

[0037] Compared with the prior art, this invention has significant advantages and beneficial effects. When multiple heating elements are located in different atomization chambers, the aerosols produced by different atomization chambers can be discharged from different air passages. In addition, different heating elements can be used to heat aerosols with different substances in different atomization chambers, so that users can obtain different flavor inhalation experiences at the air outlet. Furthermore, users can control the operation of heating elements of corresponding flavors as needed to obtain a single pure flavor or a compound flavor aerosol. Attached Figure Description

[0038] Figure 1 This is a schematic cross-sectional view of the electronic atomizer provided in the embodiments of this application;

[0039] Figure 2 A schematic diagram showing the connection between the first atomizing chamber, the second atomizing chamber, the air inlet, and the air outlet in the embodiments provided in this application;

[0040] Figure 3A schematic diagram showing the connection between the first atomizing chamber and the second atomizing chamber and the first air outlet and the second air outlet in the embodiments provided in this application;

[0041] Figure 4 A structural cross-sectional schematic diagram of the connection state between the first housing and the second housing of the electronic atomizer in the embodiments provided in this application;

[0042] Figure 5 This is a schematic diagram of the separated state of the first housing and the second housing of the electronic atomizer in the embodiments provided in this application;

[0043] Figure 6 A schematic diagram showing the first air outlet and the second air outlet being coaxial in the embodiments provided in this application;

[0044] Figure 7 A schematic diagram showing that multiple second air outlets are arranged around a first air outlet in the embodiments provided in this application.

[0045] Explanation of icon numbers:

[0046] 1-First air inlet; 2-Air outlet; 2A-First air outlet; 2B-Second air outlet; 3-Wall; 4-Battery;

[0047] 10-First housing; 11-First atomizing chamber; 12-First heating element; 13-First liquid storage chamber; 14-First electrode; 15-Receiving cavity; 16-First air passage;

[0048] 20-Second housing; 21-Second atomizing chamber; 22-Second heating element; 23-Second liquid storage chamber; 24-Second electrode; 25-Second air inlet; 26-Second air passage; 27-Second movable part. Detailed Implementation

[0049] To make the above-mentioned objects, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0050] In the description of this application, unless otherwise expressly specified and defined, the terms "installation," "connection," "linking," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly defined. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0051] Electronic atomizers can be used in various fields, including but not limited to those used in medical atomization, beauty atomization, and cigarette alternatives. They are primarily used to atomize an aerosol-generating matrix to form an aerosol. This matrix can be a liquid matrix of medication, nutrient solution, etc. Taking a cigarette alternative electronic atomizer as an example, when the atomizer is working, the aerosol-generating matrix contains nicotine or synthetic nicotine, which can be atomized by the atomizing component to form an aerosol. Of course, flavorings or sweeteners that stimulate the taste or smell can also be added to the aerosol-generating matrix. Existing atomization methods can be either heated or non-heated. Heated atomization methods include resistance heating, electromagnetic heating, laser heating, infrared heating, and microwave heating; non-heated atomization methods include ultrasonic atomization, pressure atomization, mechanical vibration atomization, and compressed air atomization.

[0052] like Figure 1 , Figure 2 As shown, this application provides an electronic atomizer, including a housing. The housing has a first air inlet 1, a second air inlet 25, and an air outlet 2. The first air inlet 1 is located away from and connected to the air outlet 2. The second air inlet 25 is closer to the air outlet 2 than the first air inlet 1, and the second air inlet 25 is connected to the air outlet 2. Further, a first air passage 16 is formed between the first air inlet 1 and the air outlet 2, and a second air passage 26 is formed between the second air inlet 25 and the air outlet 2. The first air passage 16 and the second air passage 26 are at least partially not connected. When the electronic atomizer generates aerosol, the aerosol can be discharged from the first air passage 16 and the second air passage 26 through the air outlet 2, respectively. Meanwhile, since the distance between the second air inlet 25 and the air outlet 2 is shorter than the distance between the first air inlet 1 and the air outlet 2, it can be seen that the aerosol has a shorter flow path in the second air passage 26, which reduces the retention of aerosol in the air passage and avoids the formation of condensate on the inner wall 3 of the air passage.

[0053] In some embodiments, such as Figure 3As shown, the air outlet 2 is divided into two relatively independent first air outlet 2A and second air outlet 2B by the wall 3. The first air outlet 2A is connected to the first air inlet 1, and the second air outlet 2B is connected to the second air inlet 25. In some embodiments, the flow rate of the first air outlet 2A is greater than the flow rate of the second air outlet 2B.

[0054] In some embodiments, the first air outlet 2A is disposed within the second air outlet 2B; or the second air outlet 2B is disposed within the first air outlet 2A.

[0055] like Figure 6 As shown, the outlet end of the second airway 26 is connected to the first airway 16, allowing the aerosol output from the second outlet 2B to be enveloped by the aerosol output from the first outlet 2A, providing the user with a different aerosol inhalation experience. It can be understood that the second outlet 2B is located within the first outlet 2A, and the first outlet 2A and the second outlet 2B are coaxial. Similarly, depending on the need, the first airway 16 can be connected to the second airway 26, so that the first outlet 2A is located within the second outlet 2B.

[0056] In some embodiments, such as Figure 7 As shown, multiple second air outlets 2B are provided around the outer periphery of the first air outlet 2A. The aerosol discharged through the second air outlets 2B can encapsulate or merge with the aerosol discharged through the first air outlet 2A.

[0057] In some embodiments, such as Figure 4 , Figure 5 As shown, the housing of the electronic atomizer includes a detachably connected first housing 10 and a second housing 20. A first air inlet 1 is formed on the first housing 10, a second air inlet 25 is formed on the second housing 20, and an air outlet 2 is formed on the second housing 20 and communicates with the second air inlet 25. After the first housing 10 and the second housing 20 are connected, the first air inlet 1 communicates with the air outlet 2. Further, in some embodiments, a connection gap is maintained when the second housing 20 is connected to the first housing 10, and the connection gap communicates with the second air inlet 25. In some embodiments, the connection gap may be a pre-reserved connection tolerance between the first housing 10 and the second housing 20. Further, as... Figure 5 As shown, the end of the first housing 10 near the air outlet 2 is configured as an open receiving cavity 15, into which the second housing 20 can be inserted to form a connection with the first housing 10. Further, the inner wall 3 of the receiving cavity 15 is provided with internal threads, and the second housing 20 is provided with external threads that mate with the internal threads. Further, a magnet is disposed within the receiving cavity 15, and the second housing 20 is provided with a magnet that magnetically attracts the magnet, allowing the first housing 10 and the second housing 20 to be magnetically connected.

[0058] In some embodiments, the electronic atomizer further includes a first airflow control valve for regulating the flow rate of fluid entering the first air inlet 1. In some embodiments, a first movable member is provided on the housing, movable relative to the first air passage 16 or the first air inlet 1. The first movable member operably closes or opens the first air passage 16 or the first air inlet 1, increasing or decreasing the external airflow entering the first air passage 16, or even closing the first air passage 16 or the first air inlet 1. Specifically, the first movable member is movable relative to the housing and controls the size of the first air inlet 1 or the flow area of ​​the first air passage 16 during the movement.

[0059] In some embodiments, the electronic atomizer further includes a second airflow control valve for regulating the fluid flow rate into the second air inlet 25. Figure 4 As shown, the housing is provided with a second movable member 27 that can move relative to the second air passage 26 or the second air inlet 25. The second movable member 27 can operably close or open the second air passage 26 or the second air inlet 25 to increase or decrease the external airflow entering the second air passage 26, or even close the second air passage 26 or the second air inlet 25. Specifically, the second movable member 27 can move relative to the housing and control the size of the second air inlet 25 or the size of the flow area of ​​the second air passage 26 during the movement.

[0060] In some embodiments, this application also provides an electronic atomizer, based on the above-described electronic atomizer, such as... Figure 1 As shown, the electronic atomizer also includes:

[0061] A first atomizing chamber 11 is disposed inside the housing. One end of the first atomizing chamber 11 is connected to the first air inlet 1, and the other end of the first atomizing chamber 11 is connected to the air outlet 2.

[0062] The first atomizing material is stored inside the housing;

[0063] The first heating element 12 is disposed in the first atomization chamber 11 to receive and atomize the first atomization material to generate the first aerosol;

[0064] The second atomizing chamber 21 is disposed inside the housing. One end of the second atomizing chamber 21 is connected to the second air inlet 25, and the other end of the second atomizing chamber 21 is connected to the air outlet 2.

[0065] The second atomizing material is stored inside the housing;

[0066] The second heating element 22 is disposed in the second atomization chamber 21 to receive and atomize the second atomizing material to generate a second aerosol.

[0067] In some embodiments, the first atomizing material contains nicotine or synthetic nicotine, and the second atomizing material is at least one of a compound that stimulates the sense of smell or a compound that stimulates the sense of taste.

[0068] In some embodiments, the electronic atomizer further includes a control circuit, which is electrically connected to the first heating element 12 and the second heating element 22 respectively, and is capable of selectively supplying power to the first heating element 12, or simultaneously supplying power to both the first heating element 12 and the second heating element 22. Further, the control circuit includes a battery 4, which is electrically connected to the first heating element 12 and the second heating element 22 respectively. Specifically, as... Figure 2 As shown, the first heating element 12 includes a first electrode 14, and the second heating element 22 includes a second electrode 24. The first electrode 14 and the second electrode 24 are electrically connected to the battery 4, respectively.

[0069] The above-mentioned electronic atomizer has multiple usage modes, including but not limited to the following two modes:

[0070] Mode 1: When the user uses the electronic atomizer, the control circuit activates the first heating element 12 to heat the first atomizing material, generating the first aerosol in the first atomizing chamber 11 and expelling it from the first air passage 16.

[0071] Mode 2: When the user uses the electronic atomizer, the control circuit activates the first heating element 12 to heat the first atomizing material, generating the first aerosol in the first atomizing chamber 11 and expelling it from the first air passage 16; at the same time, the control circuit activates the second heating element 22 to heat the second atomizing material, generating the second aerosol in the second atomizing chamber 21 and expelling it from the second air passage 26.

[0072] When the aforementioned electronic atomizer has multiple heating elements, it provides users with more options for heating element combinations. For example, when the aforementioned electronic atomizer has at least three heating elements, one heating element is used as the main element, and the other two heating elements are used as sub-elements. The main element can operate simultaneously with at least one of the other two sub-elements. Based on this, in some embodiments, a unique atomizing material is configured for each heating element, and the electronic atomizer can provide users with an aerosol containing at least one flavor. In some embodiments, a corresponding and relatively independent atomization chamber is configured for each heating element to prevent flavor mixing due to atomizing material overflow during aerosol generation. Furthermore, the electronic atomizer also includes multiple liquid storage chambers, each storing a unique atomizing material. The liquid storage chambers are connected to the atomization chambers for the heating elements to receive the atomizing material.

[0073] In summary, the above-mentioned electronic atomizer has two air inlets positioned one near and one far from the air outlet 2. Each air inlet, connected to the air outlet 2, forms a gas channel that can connect to the atomization chamber to obtain aerosol. This allows for the diversion of the aerosol generated by the electronic atomizer, preventing excessive aerosol generation from one or more heating elements from causing condensation to accumulate in the gas channel.

[0074] like Figure 4 As shown, this application also provides an electronic atomizer, comprising:

[0075] The housing has a proximal end and a distal end that are opposite each other in the longitudinal direction. The housing has a first air inlet 1 near the proximal end, a second air inlet 25 located between the proximal end and the distal end, and an air outlet 2 near the distal end. The first air inlet 1 and the second air inlet 25 are both connected to the air outlet 2.

[0076] The first liquid storage chamber 13 is located inside the shell and is used to store the first atomizing material;

[0077] The second liquid storage chamber 23 is located inside the shell and is used to store the second atomizing material;

[0078] The first atomizing chamber 11 is disposed inside the housing and adjacent to the first air inlet 1, and the first atomizing chamber 11 has a first air passage 16 that connects the first air inlet 1 and the air outlet 2.

[0079] The first heating element 12 is disposed in the first atomization chamber 11 and is used to receive the first atomizing material in the first liquid storage chamber 13 and heat and atomize it.

[0080] The second atomizing chamber 21 is disposed inside the housing, adjacent to the second air inlet 25, and the second atomizing chamber 21 has a second air passage 26 that connects the second air inlet 25 and the air outlet 2;

[0081] The second heating element 22 is disposed in the second atomization chamber 21 and is used to receive the second atomizing material in the second liquid storage chamber 23 and heat and atomize it;

[0082] The control circuit is used to selectively control the first heating element 12 to work in the energized state, or to control the first heating element 12 and the second heating element 22 to work simultaneously in the energized state.

[0083] In some embodiments, the first liquid storage chamber 13 or the second liquid storage chamber 23 is respectively filled with a first liquid-absorbing medium and a second liquid-absorbing medium, wherein the liquid-absorbing medium is used to absorb the first atomizing material. Further, the porosity of the first liquid-absorbing medium is greater than the porosity of the second liquid-absorbing medium.

[0084] In some embodiments, the first heating element 12 has a first resistivity, and the second heating element 22 has a second resistivity that is equal to or different from the first resistivity, for example, the second resistivity is greater than or less than the first resistivity.

[0085] In some embodiments, the first heating element 12 and the second heating element 22 are any one of metal wire, ceramic core, and metal mesh core.

[0086] Compared with the prior art, this utility model has obvious advantages and beneficial effects. When multiple heating elements are located in different atomization chambers, the aerosols produced by different atomization chambers can be discharged from different gas channels. In addition, different heating elements can be used to heat aerosols with different substances in different atomization chambers, so that users can obtain different flavor inhalation experiences at the air outlet 2. Furthermore, users can control the operation of the heating elements of the corresponding flavor as needed to obtain a single pure flavor or a compound flavor aerosol.

[0087] The above description is only a part or preferred embodiment of this utility model. Neither the text nor the drawings should limit the scope of protection of this utility model. All equivalent structural transformations made using the content of this utility model specification and drawings under the overall concept of this utility model, or direct / indirect applications in other related technical fields, are included within the scope of protection of this utility model.

Claims

1. An electronic atomizer, characterized in that, The device includes an air passage for connecting the atomizer to the outside atmosphere. The air passage includes a first air inlet, a second air inlet, and an air outlet. The first air inlet and the second air inlet are respectively connected to the air outlet, wherein the second air inlet is closer to the air outlet than the first air inlet.

2. The electronic atomizer according to claim 1, characterized in that, The air outlet includes a first air outlet and a second air outlet, wherein the first air outlet is connected to the first air inlet and the second air outlet is connected to the second air inlet.

3. The electronic atomizer according to claim 2, characterized in that, The first air outlet is located inside the second air outlet; or the second air outlet is located inside the first air outlet.

4. The electronic atomizer according to claim 2, characterized in that, The second air outlet has multiple outlets arranged around the outer periphery of the first air outlet.

5. The electronic atomizer according to claim 1, characterized in that, The electronic atomizer also includes a first airflow control valve, which is used to regulate the flow rate of fluid entering the first air inlet.

6. The electronic atomizer according to claim 1 or 5, characterized in that, The electronic atomizer also includes a second airflow control valve, which is used to regulate the fluid flow rate entering the second air inlet.

7. An electronic atomizer, characterized in that, include: The housing has a proximal end and a distal end that are opposite each other in the longitudinal direction. The housing has a first air inlet near the proximal end, a second air inlet between the proximal end and the distal end, and an air outlet near the distal end. The first air inlet and the second air inlet are both connected to the air outlet, and the air travel between the second air inlet and the air outlet is shorter.

8. The electronic atomizer according to claim 7, characterized in that, The electronic atomizer also includes: The first liquid storage chamber is located inside the shell and is used to store the first atomizing material; The second liquid storage chamber is located inside the shell and is used to store the second atomizing material; A first atomizing chamber is disposed within the housing, adjacent to the first air inlet, and the first atomizing chamber has a first air passage connecting the first air inlet and the air outlet; A first heating element is disposed in the first atomizing chamber and is used to receive the first atomizing material in the first liquid storage chamber and heat and atomize it. The second atomizing chamber is disposed inside the housing, adjacent to the second air inlet, and the second atomizing chamber has a second air passage connecting the second air inlet and the air outlet; The second heating element is disposed in the second atomizing chamber and is used to receive the second atomizing material in the second liquid storage chamber and heat and atomize it.

9. The electronic atomizer according to claim 7, characterized in that, The housing includes a first housing and a second housing that are detachably connected. The first air inlet is located on the first housing, the second air inlet is located on the second housing, and the air outlet is located on the second housing.

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