Aerosol-generating device

Abstract

The utility model discloses an aerosol generating device, which relates to the technical field of electronic products, and comprises a heating element, an aerosol generating element and an aerosol generating element, the detection assembly comprises a thermistor and a flexible circuit board which are electrically connected, and the thermistor is used for detecting the temperature of the heating element and is arranged at one end of the flexible circuit board; and the other end of the flexible circuit board is electrically connected with the mainboard.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic product technical field, especially relate to an aerosol generating device. BACKGROUND

[0002] With the rapid development of aerosol generating device market, the generation and detection technology of aerosol are increasingly concerned. In the use process of aerosol generating device, accurate detection of the number of puffs has important significance for evaluating user experience and ensuring equipment safety. In the use process of aerosol generating device, heating will be carried out, and in the heating process, the puffing action of the device will drive the flow of air and cause temperature change, resulting in temperature difference. At present, the purpose of detecting the number of puffs is generally achieved by detecting the temperature difference of temperature change. However, the device for detecting temperature change occupies a large space, which is not conducive to the spatial arrangement of the device and has low space utilization. SUMMARY

[0003] The main purpose of the utility model is to provide an aerosol generating device, which aims to solve the technical problem of large space occupation of the current puffing number detection device.

[0004] To achieve the above purpose, the aerosol generating device provided by the utility model comprises:

[0005] A heating element;

[0006] A detection assembly comprising a thermistor and a flexible circuit board connected by electricity, the thermistor being used for detecting the temperature of the heating element and being arranged at one end of the flexible circuit board; and

[0007] A mainboard, the other end of the flexible circuit board being electrically connected with the mainboard. BRIEF DESCRIPTION OF DRAWINGS

[0008] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to the structure shown in these drawings without creative labor.

[0009] Figure 1 The structure schematic view of the detection assembly of the aerosol generating device provided by the utility model is shown in the following figure.

[0010] Figure 2 The cross-sectional structure schematic view of the aerosol generating device provided by the utility model is shown in the following figure.

[0011] Figure 3Another cross-sectional structure schematic view of the aerosol generating device embodiment provided by the utility model is provided.

[0012] Explanation of reference numerals:

[0013] 100, detection assembly; 110, thermistor; 120, flexible circuit board; 121, first connecting part; 122, second connecting part; 130, reinforcing part; 200, heating part; 300, mainboard; 400, fixing part; 410, avoiding groove; 500, connecting part; 600, support; 610, containing groove; 620, first supporting part; 630, second supporting part; 700, shell.

[0014] The realization, functional features and advantages of the utility model will be further described in combination with embodiments and with reference to the drawings. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0016] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0017] In addition, if the embodiments of the utility model involve descriptions of "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of indicated technical features. Therefore, the features with "first" and "second" can explicitly or implicitly include at least one feature. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included, taking "A and / or B" as an example, including A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0018] In the prior art, the temperature changes due to the flow of air caused by the suction action of the aerosol generating device, resulting in temperature difference. The purpose of detecting the number of puffs is generally achieved by detecting the temperature change, however, the device for detecting the temperature change occupies a large space, which is not conducive to the spatial arrangement of the device and has low space utilization.

[0019] The utility model provides an aerosol generating device.

[0020] Please refer to Figures 1 to 3 In an embodiment of the utility model, the aerosol generating device comprises a heating element 200, a detection assembly 100 and a mainboard 300. The detection assembly 100 comprises a thermistor 110 and a flexible circuit board 120 electrically connected. The thermistor 110 is used to detect the temperature of the heating element 200 and is arranged at one end of the flexible circuit board 120. The other end of the flexible circuit board 120 is electrically connected with the mainboard 300.

[0021] In the specific implementation process, the heating element 200 generally adopts a heating tube or other heatable structure. It should be noted that the aerosol generating device is heated during use. The device is suctioned during the heating process. The flow of air is caused during each suction process, thereby causing the temperature to change. The detection assembly 100 is used to detect the temperature difference of the heating element 200 at this time, thereby recording the number of times of suctioning the device according to the temperature difference. Specifically, the thermistor 110 contacts the heating element 200 to sense the heating temperature and transmits the temperature to the mainboard 300 through the flexible circuit board 120, and then the mainboard 300 records the number of times of suctioning.

[0022] In an embodiment, the aerosol generating device further comprises a housing 700. The housing 700 encloses a cavity. The heating element 200, the detection assembly 100 and the mainboard 300 are arranged in the cavity. The flexible circuit board 120 can be arbitrarily bent, which is conducive to improving the utilization rate of the cavity and facilitating the arrangement of the structure in the cavity.

[0023] The flexible circuit board 120 can adopt an FPC board. The thermistor 110 is electrically connected at one end of the flexible circuit board 120. The other end of the flexible circuit board 120 is electrically connected with the mainboard 300. The flexible circuit board 120 can be arbitrarily bent in the cavity inside the device according to the space arrangement. The thermistor 110 has a small volume, which is conducive to the spatial arrangement in the device, has more flexible assembly, and the detection assembly 100 composed of the FPC board and the thermistor 110 has an advantage in cost.

[0024] Reference Figure 2 As shown in the figure, in an embodiment, the aerosol generating device further comprises a fixing member 400. The heating element 200 and the flexible circuit board 120 are fixedly connected with the fixing member 400.

[0025] It can be understood that the flexible circuit board 120 is flexible and needs to be supported and fixed. In the embodiment, the fixing member 400 is fixedly connected to the heat generating member 200, and the fixing member 400 is also fixedly connected to the flexible circuit board 120 and serves as a support for the flexible circuit board 120, so that the thermistor 110 on the flexible circuit board 120 can be close to and detect the temperature of the heat generating member 200. The flexible circuit board 120 and the fixing member 400 can be fixed by bonding or welding or screw locking, and in the embodiment, the fixing manner is not limited as long as one end of the flexible circuit board 120 can be fixed.

[0026] Reference Figure 3 As shown in FIG. 4, in an embodiment, the fixing member 400 is provided with an avoiding groove 410, and the thermistor 110 is accommodated in the avoiding groove 410. In order to reduce the influence of the external environment on the thermistor 110, in the embodiment, the fixing member 400 is provided with the avoiding groove 410, and the thermistor 110 is located in the avoiding groove 410, and the avoiding groove 410 is communicated with the outer wall of the heat generating member 200, so as to ensure the accuracy of the detection of the thermistor 110. In the specific implementation process, the groove of the avoiding groove 410 faces the flexible circuit board 120 and is fixedly connected.

[0027] In an embodiment, the flexible circuit board 120 comprises a first connecting portion 121, and the thermistor 110 is arranged on the first connecting portion 121. The side of the first connecting portion 121 away from the thermistor 110 is further provided with a reinforcing member 130.

[0028] In the specific implementation process, one end of the flexible circuit board 120 is bent to form the first connecting portion 121, the first connecting portion 121 is connected to the fixing member 400, and the thermistor 110 is arranged on the first connecting portion. In order to improve the strength of the first connecting portion 121, the side of the first connecting portion 121 away from the thermistor 110 is further connected to the reinforcing member 130. The reinforcing member 130 adopts a reinforcing plate structure and is fixed to the flexible circuit board 120 by bonding or screw connection, so as to improve the stability of the connection between the flexible circuit board 120 and the fixing member 400.

[0029] Reference Figure 1 As shown in FIG. 5, in an embodiment, the aerosol generating device further comprises a connecting member 500, and the flexible circuit board 120 is electrically connected to the main board 300 through the connecting member 500. In the specific implementation process, the flexible circuit board 120 and the main board 300 can be fixedly welded, or can be detachably connected. Specifically, in the embodiment, the flexible circuit board 120 and the main board 300 are detachably connected through the connecting member 500, so as to facilitate the assembly of the flexible circuit board 120.

[0030] Specifically, the connecting piece 500 is configured as an elastic sheet, which is fixed on the main plate 300 and in contact with the flexible circuit board 120. The elastic sheet is fixedly welded on the main plate 300, and the flexible circuit board 120 is in contact with the elastic sheet to realize electrical connection. It can be understood that an area in contact with the elastic sheet is arranged on the flexible circuit board 120 to transmit electrical signals.

[0031] Reference Figure 3 As shown in the drawings, in an embodiment, the aerosol generating device further comprises a bracket 600, and the bracket 600 is provided with a receiving groove 610, and the main plate 300 is arranged in the receiving groove 610.

[0032] It should be noted that the aerosol generating device has a cavity, and the bracket 600 is fixedly arranged in the cavity, and the bracket 600 can be integrally formed with a shell 700 of the aerosol generating device. In the embodiment, the bracket 600 is used to fix the main plate 300 and the flexible circuit board 120. Specifically, the bracket 600 is provided with the receiving groove 610, the main plate 300 is fixed on one side of the inner wall of the receiving groove 610, the elastic sheet faces the other inner wall, and the flexible circuit board 120 is located between the elastic sheet and the inner wall of the receiving groove 610. The elastic sheet is compressed and abuts against the other inner wall of the receiving groove 610, so that the flexible circuit board 120 is tightly attached to the elastic sheet, thereby ensuring the effectiveness of the connection.

[0033] In an embodiment, the bracket 600 comprises a first support portion 620 and a second support portion 630, and the two portions surround the receiving groove 610. The flexible circuit board 120 is connected to the first support portion 620, and the main plate 300 is connected to the second support portion 630.

[0034] Specifically, the first support portion 620 and the second support portion 630 are oppositely arranged and surround the receiving groove 610. An opening is arranged below the receiving groove 610, and the end portion of the flexible circuit board 120 extends into the receiving groove 610 from the opening, and is then connected to the elastic sheet and compressed by the elastic sheet on one side of the first support portion 620 facing the receiving groove 610. The main plate 300 is fixed on one side of the second support portion 630 facing the receiving groove 610 and is oppositely arranged with the flexible circuit board 120.

[0035] In an embodiment, the flexible circuit board 120 further comprises a second connecting portion 122, the second connecting portion 122 is in contact with the connecting piece 500, and one side of the second connecting portion 122 away from the bracket 600 is connected to the first support portion 620.

[0036] In the implementation process, the flexible circuit board 120 is bent at the end away from the first connecting part 121 to form a second connecting part 122, the second connecting part 122 extends into the accommodating groove 610 from the opening of the accommodating groove 610 and is in contact with the connecting piece 500 for conduction. Further, in order to improve the strength of the flexible circuit board 120 and avoid damage caused by the shell fragment, the side of the second connecting part 122 away from the shell fragment is also provided with a reinforcing part 130, and the reinforcing part 130 is in contact with the inner wall of the accommodating groove 610.

[0037] The technical scheme of the utility model detects the number of puffs by detecting the temperature of the heating element 200 through the detection assembly 100, specifically, the detection assembly 100 adopts the electrically connected thermistor 110 and flexible circuit board 120, the thermistor 110 is used for detecting the temperature of the heating element 200, and is transmitted to the mainboard 300 through the flexible circuit board 120, so as to detect the number of puffs according to each temperature change. Wherein, the thermistor 110 is small in size, the flexible circuit board 120 can be arbitrarily bent according to the space requirement inside the device, and is flexible and changeable in assembly, and can save assembly space, and is beneficial to other arrangement of space. Compared with the prior art of detecting the temperature of the heating element 200 by using the sensor module, the combination of the thermistor 110 and the flexible circuit board 120 in the technical scheme has more advantages in cost, and the overall volume of the detection assembly 100 is smaller, the assembly is more flexible, and the space utilization rate is improved.

[0038] The above-mentioned is only the exemplary embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made by using the utility model specification and the drawings contents, or direct / indirect application in other related technical fields under the inventive concept of the utility model is included in the patent protection range of the utility model.

Claims

1. An aerosol-generating device, characterized by, The aerosol generating device comprises: a heating element; a detection assembly comprising a thermistor and a flexible circuit board, the thermistor being electrically connected and arranged at one end of the flexible circuit board to detect the temperature of the heating element; and a main board, the other end of the flexible circuit board being electrically connected to the main board. The aerosol generating device further comprises a fixing element, and the heating element and the flexible circuit board are fixedly connected to the fixing element.

2. The aerosol-generating device of claim 1, wherein, The fixing element is provided with a recess, and the thermistor is accommodated in the recess. 3.The aerosol-generating device of claim 2, wherein, The flexible circuit board comprises a first connecting portion, and the thermistor is arranged on the first connecting portion, and a reinforcing element is further arranged on the side of the first connecting portion away from the thermistor.

4. The aerosol-generating device of claim 1, wherein, The aerosol generating device further comprises a connecting element, and the flexible circuit board is electrically connected to the main board through the connecting element. 5.The aerosol generating device of claim 1, wherein, The connecting element is configured as a spring sheet, the spring sheet is fixedly arranged on the main board, and the spring sheet is further in contact with the flexible circuit board.

6. The aerosol-generating device of claim 5, wherein, The aerosol generating device further comprises a bracket, and the bracket is provided with a receiving groove, and the main board is arranged in the receiving groove. 7.The aerosol generating device of claim 5, wherein, The bracket comprises a first supporting portion and a second supporting portion, and the first supporting portion and the second supporting portion enclose the receiving groove, the flexible circuit board is connected to the first supporting portion, and the main board is connected to the second supporting portion.

8. The aerosol-generating device of claim 7, wherein, The flexible circuit board further comprises a second connecting portion, the second connecting portion is in contact with the connecting element, and the side of the second connecting portion away from the bracket is connected to the first supporting portion.

9. The aerosol-generating device of claim 8, wherein, The aerosol generating device further comprises a housing, the housing encloses a cavity, and the heating element, the detection assembly and the main board are arranged in the cavity.

10. The aerosol-generating device of any of claims 1-9, wherein, ​

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