Housing and aerosol generating device

Abstract

The utility model discloses a casing and aerosol generating equipment, and relates to aerosol generating equipment technical field, the casing includes casing, mainboard, heating device and shield plate, the casing is provided with the accommodation cavity, the mainboard is arranged in the accommodation cavity, the mainboard is provided with the first gap, the heating device is accommodated in the first gap and is connected with the mainboard by electric signal, and the shield plate is provided with the shielding plate. The shield plate covers the mainboard. The aerosol generating equipment comprises the shell.

Description

TECHNICAL FIELD

[0001] The utility model relates to aerosol generating equipment technical field especially, a kind of shell and aerosol generating equipment. BACKGROUND

[0002] Aerosol generating equipment is a kind of equipment that can convert liquid or solid into aerosol, widely used in scientific research, industry, medical treatment and environmental protection and other fields.The existing aerosol generating equipment is worked using the principle of eddy heating, but in actual working process, aerosol generating equipment often exists uneven heating, eddy loss and other technical problems.

[0003] Therefore, it is necessary to provide a new shell and aerosol generating equipment to solve the above technical problems. SUMMARY

[0004] The main purpose of the utility model is to provide a kind of shell and aerosol generating equipment, to solve the technical problems of uneven heating, eddy loss of aerosol generating equipment.

[0005] To achieve the above purpose, the utility model provides a kind of shell, including:

[0006] Shell, the shell is provided with accommodating cavity;

[0007] Mainboard, the mainboard is set to the accommodating cavity, and the mainboard is provided with first gap;

[0008] Heating device, the heating device is housed in the first gap and is connected with the mainboard electric signal;

[0009] Shielding plate, the shielding plate is covered in the mainboard.

[0010] In addition, the utility model also provides a kind of aerosol generating equipment, the aerosol generating equipment includes the shell as described above. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawing needed to be used in embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, without creative labor, according to the structure shown in these drawings, other drawings can also be obtained.

[0012] Figure 1 The structure diagram of the shell in embodiment one provided by the utility model is shown;

[0013] Figure 2 For Figure 1 Sectional view.

[0014] Figure 3 The connection schematic view of the main plate, the shielding plate and the heating device in the embodiment one provided by the utility model is provided with the exploded view of the embodiment one provided by the utility model.

[0015] Figure 4 The exploded view of the embodiment one provided by the utility model is provided with the structure schematic view of the shielding plate in the embodiment one provided by the utility model. Figure 3

[0016] The structure schematic view of the shielding plate in the embodiment one provided by the utility model is provided with the sectional view of the shell in the embodiment two provided by the utility model. Figure 5

[0017] The sectional view of the shell in the embodiment two provided by the utility model is provided with the sectional view of the shell in the embodiment two provided by the utility model. Figure 6 The description of the reference numerals is provided:

[0018] 100, the shell; 110, the accommodating cavity; 200, the main plate; 210, the first notch; 300, the heating device; 310, the protective shell; 320, the electromagnetic coil; 330, the pipe body; 400, the shielding plate; 410, the conduction part; 420, the positioning part; 421, the first plate body; 422, the second plate body; 430, the first side edge; 440, the second side edge; 450, the third side edge; 460, the second notch; 470, the partition plate.

[0019] The implementation, the functional features and the advantages of the utility model will be further described by combining with the embodiments and referring to the drawings.

[0020] The specific implementation

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below by combining with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without making the creative labor belong to the protection scope of the utility model.

[0022] It should be noted that all the directionality indications (such as up, down, left, right, front, back, …) in the embodiments of the utility model are only used for explaining the relative position relationship, the movement condition and the like between the components in a certain specific posture (as shown in the drawings), if the specific posture changes, then the directionality indications also change accordingly.

[0023] ​In addition, if the description of "first", "second" and the like is involved in the embodiments of the utility model, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the same or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, if "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme.

[0024] In addition, the technical solutions of various embodiments of the utility model can be combined with each other, but it must be based on the realization of ordinary technical personnel 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, also not within the protection scope required by the utility model.

[0025] The aerosol generating device is a device capable of converting liquid or solid matter into aerosol, which is widely used in scientific research, industry, medical treatment and environmental protection fields; the existing aerosol generating device works by using the principle of eddy current heating. During the research and development process, researchers found that during the working process of the aerosol generating device, due to the current flowing through the mainboard, based on the principle of electromagnetism, some magnetic fields will be generated around the mainboard, which will affect the eddy current heating process of the heating device, and further cause the aerosol generating device to have the technical problems of uneven heating, large eddy current loss and the like.

[0026] The utility model provides a kind of shell and aerosol generating device, to solve the technical problems of uneven heating, large eddy current loss of aerosol generating device.

[0027] Please refer to Figures 1 to 3 In an embodiment of the utility model, the shell includes a housing 100, a mainboard 200, a heating device 300 and a shielding plate 400, the housing 100 is provided with a containing cavity 110, the mainboard 200 is arranged in the containing cavity 110, and the mainboard 200 is provided with a first gap 210, the heating device 300 is accommodated in the first gap 210 and is electrically connected with the mainboard 200, and the shielding plate 400 is covered on the mainboard 200.

[0028] The technical scheme of the utility model discloses a shielding plate 400 is covered on the mainboard 200, can insulate the magnetic field generated by the mainboard 200 and the heating device 300, reduces the interference of the mainboard 200 to the heating device 300, reduces the risk of the uneven heating, the great eddy current loss and other conditions of aerosol generating equipment. In the embodiment, the mainboard 200, the heating device 300 and the shielding plate 400 are all installed in the accommodating cavity 110 of the shell 100, and the shell 100 is used for protecting the mainboard 200, the heating device 300, the shielding plate 400 and other parts. The mainboard 200 is a circuit board, which is used for realizing the transmission of current and the transmission of signal. By opening the first gap 210 on the mainboard 200 and installing the heating device 300 into the first gap 210, the internal structure of the aerosol generating equipment can be optimized, and the volume of the aerosol generating equipment can be reduced. The shielding plate 400 is covered on the mainboard 200, and the shielding plate 400 plays an insulating role, that is, by covering the shielding plate 400 on the mainboard 200, the magnetic field generated by the mainboard 200 and the heating device 300 can be insulated, the interference of the mainboard 200 to the heating device 300 can be reduced, and the risk of the uneven heating, the great eddy current loss and other conditions of the aerosol generating equipment can be reduced. The shell is applied to the technical field of aerosol generating device, atomizer and the like.

[0029] In the embodiment, the shielding plate 400 is a high magnetic permeability piece, that is, the shielding plate 400 is made of high magnetic permeability ferromagnetic material, such as soft iron. The shielding effect of the shielding plate 400 is based on the principle of magnetic field shielding, that is, the mainboard 200 is covered by the shielding plate 400 with high magnetic permeability, which can attract and guide the magnetic field lines to flow along the shielding plate 400, reduce the magnetic flux passing through the shielding plate, thereby reducing the interference of the mainboard 200 to the heating device 300, and reducing the risk of the uneven heating, the great eddy current loss and other conditions of the aerosol generating equipment.

[0030] Please refer to Figures 2 to 5In an embodiment of the present application, the shielding plate 400 is provided with a conducting part 410, the conducting part 410 is protruded from the shielding plate 400 to a direction away from the main plate 200, and an end surface of the conducting part 410 away from the main plate 200 abuts against the inner wall of the shell 100. In the embodiment, the conducting part 410 is protruded from the shielding plate 400 to a direction away from the main plate 200, and an end surface of the conducting part 410 away from the main plate 200 abuts against the inner wall of the shell 100, the conducting part 410 can play a role of heat conduction. By setting the conducting part 410 abutting against the inner wall of the shell 100 on the shielding plate 400, heat on the main plate 200 can be conducted to the shell 100, and the shell 100 can dissipate heat, thereby the heat dissipation capacity of the aerosol generating device can be improved, and the user experience can be improved. In a specific embodiment, the conducting part 410 can be formed by stamping, that is, a part of the shielding plate 400 is stamped to protrude upward, and the conducting part 410 can be formed. Since the conducting part 410 is formed by stamping, the conducting part 410 is integrally formed with the shielding plate 400, which can improve the structural strength of the shielding plate 400, and can reduce the components required for assembling the aerosol generating device, and reduce the assembly difficulty of the aerosol generating device.

[0031] In an embodiment of the present application, the shielding plate 400 is provided with a plurality of conducting parts 410, and end surfaces of the plurality of conducting parts 410 away from the main plate 200 all abut against the inner wall of the shell 100. In the embodiment, by setting a plurality of conducting parts 410 for conducting heat on the shielding plate 400, the heat dissipation capacity of the shell can be improved, and the heat dissipation capacity of the aerosol generating device can be improved.

[0032] Please refer to Figures 3 to 5 In an embodiment of the present application, the shielding plate 400 is provided with a positioning part 420, and the positioning part 420 abuts against the side surface of the main plate 200. In the embodiment, the positioning part 420 plays a role of positioning, and the positioning part 420 can position the shielding plate 400 when the shielding plate 400 is installed, so as to improve the accuracy of the installation position of the shielding plate 400.

[0033] Please refer to Figure 3In an embodiment of the present application, the positioning part 420 comprises a first plate body 421 and a second plate body 422 perpendicular to each other, the first plate body 421 is connected with the shielding plate 400, the second plate body 422 is connected with the side of the first plate body 421 away from the shielding plate 400, and the first plate body 421 abuts against the end surface of the mainboard 200 facing the shielding plate 400, and the second plate body 422 abuts against the side surface of the mainboard 200. When the shielding plate 400 is installed on the mainboard 200, the first plate body 421 of the positioning part 420 abuts against the end surface of the mainboard 200 facing the shielding plate 400, so that the position of the shielding plate 400 can be limited in the thickness direction of the mainboard 200; and the second plate body 422 of the positioning part 420 abuts against the side surface of the mainboard 200, so that the position of the shielding plate 400 can be limited in the plane direction of the mainboard 200. Therefore, the position of the shielding plate 400 can be limited in two different directions, and the accuracy of the installation position of the shielding plate 400 is improved. In the embodiment, the shielding plate 400 is fixed on the mainboard 200 by bolts, and in a specific embodiment, the bolts pass through the first plate body 421 and are threadedly connected with the mainboard 200.

[0034] Please refer to Figure 3 In an embodiment of the present application, the shielding plate 400 has a first side edge 430, a second side edge 440 and a third side edge 450, the first side edge 430 and the second side edge 440 are oppositely arranged, the third side edge 450 is adjacent to the first side edge 430, the first side edge 430, the second side edge 440 and the third side edge 450 are all provided with the positioning part 420, and each positioning part 420 abuts against the corresponding side surface of the mainboard 200. In the embodiment, the first side edge 430 and the second side edge 440 are respectively two sides of the shielding plate 400 along the width direction of the mainboard 200, and the third side edge 450 is one side of the shielding plate 400 along the length direction of the mainboard 200. By arranging the positioning part 420 on the first side edge 430 and the second side edge 440 of the shielding plate 400, the position of the shielding plate 400 can be limited in the width direction of the mainboard 200; and by arranging the positioning part 420 on the third side edge 450 of the shielding plate 400, the position of the shielding plate 400 can be limited in the length direction of the mainboard 200.

[0035] Please refer to Figure 4 and Figure 5In an embodiment of the present application, the shielding plate 400 is provided with a second gap 460 corresponding to the position of the heating device 300, and a partition plate 470 is arranged on the side of the shielding plate 400 facing the heating device 300, and the partition plate 470 extends from the shielding plate 400 towards the main board 200. In this embodiment, the shielding plate 400 is provided with the second gap 460 corresponding to the position of the heating device 300, and the second gap 460 can reduce the risk of structural interference between the shielding plate 400 and the heating device 300. By arranging the partition plate 470 on the side of the shielding plate 400 facing the heating device 300, the main board 200 and the heating device 300 can be separated, the interference of the main board 200 on the heating device 300 can be reduced, and the risk of uneven heating, large eddy current loss and other conditions of the aerosol generating device can be reduced. In a specific embodiment, the shielding plate 400 and the circuit board are both L-shaped, and the shielding plate 400 includes a first horizontal plate and a second horizontal plate connected to each other, the axis direction of the heating device 300 is the same as the length direction of the main board 200, the first horizontal plate extends along the length direction of the main board 200, the second horizontal plate extends along the width direction of the main board 200, and the partition plate 470 is arranged on the side of the first horizontal plate facing the heating device 300.

[0036] Please refer to Figure 4 In an embodiment of the present application, the heating device 300 includes a protective shell 310, an electromagnetic coil 320 and a pipe body 330, the protective shell 310 is accommodated in the first gap 210, the electromagnetic coil 320 is arranged in the protective shell 310, the pipe body 330 is arranged in the electromagnetic coil 320, and the two ends of the electromagnetic coil 320 are both welded to the main board 200. In this embodiment, the pipe body 330 is a metal pipe body 330, the main board 200 is provided with a positive electrode welding point and a negative electrode welding point, and the two ends of the electromagnetic coil 320 are respectively welded to the positive electrode welding point and the negative electrode welding point of the main board 200. The heating device 300 adopts the principle of magnetic field induction eddy current heating; when alternating current passes through the electromagnetic coil 320, a changing magnetic field is generated around the electromagnetic coil 320, and eddy currents are generated inside the pipe body 330 arranged in the electromagnetic coil 320. These eddy currents will continuously collide and rub inside the pipe body 330, thereby generating heat.

[0037] Please refer to Figure 6In another embodiment of the present application, the shielding plate 400 is provided with a conducting portion 410; the conducting portion 410 extends from one side of the shielding plate 400 to a direction away from the shielding plate 400, and protrudes from the shielding plate 400 to a direction away from the main board 200, and an end surface of the conducting portion 410 away from the main board 200 abuts against an inner wall of the shell 100. In this embodiment, the conducting portion 410 extends from one side of the shielding plate 400 to a direction away from the shielding plate 400 and protrudes to a direction away from the main board 200, and the end surface of the conducting portion 410 away from the main board 200 abuts against the inner wall of the shell 100, and the conducting portion 410 can play a role of heat conduction. By providing the conducting portion 410 on the shielding plate 400, heat on the main board 200 can be conducted to the shell 100, and the shell 100 can dissipate heat, so that the heat dissipation capacity of the aerosol generating device can be improved, and the user's experience can be improved.

[0038] The present application also provides an aerosol generating device, which comprises the shell described above, and the specific structure of the shell is referred to the above embodiments. Since the aerosol generating device adopts all the technical solutions of the above embodiments, it has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be repeated here.

[0039] The above is only an exemplary embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structural transformation or direct / indirect application in other related technical fields within the technical concept of the present application, as described in the present application and the drawings, is included in the patent protection scope of the present application.

Claims

1. A housing, characterized in that, The application relates to a shell, which comprises: a shell provided with a containing cavity; a main plate arranged in the containing cavity and provided with a first gap; a heating device accommodated in the first gap and electrically connected with the main plate; a shielding plate covering the main plate.

2. The housing of claim 1, wherein The shielding plate is provided with a conducting part protruding from the shielding plate in a direction away from the main plate, and an end face of the conducting part away from the main plate is in abutment with an inner wall of the shell.

3. The housing of claim 2, wherein, The shielding plate is provided with a plurality of conducting parts in abutment with the inner wall of the shell.

4. The housing of claim 1, wherein The shielding plate is provided with a positioning part in abutment with a side face of the main plate.

5. The housing of claim 4, wherein, The positioning part comprises a first plate body and a second plate body perpendicular to each other, the first plate body is connected with the shielding plate, the second plate body is connected with a side of the first plate body away from the shielding plate, the first plate body is in abutment with an end face of the main plate facing the shielding plate, and the second plate body is in abutment with the side face of the main plate.

6. The housing of claim 4, wherein The shielding plate has a first side edge, a second side edge and a third side edge, the first side edge and the second side edge are arranged opposite to each other, the third side edge is adjacent to the first side edge, the first side edge, the second side edge and the third side edge are all provided with the positioning part, and each positioning part is in abutment with the corresponding side face of the main plate.

7. The enclosure of claim 1, wherein, The shielding plate is provided with a second gap corresponding to the position of the heating device, and a partition plate is arranged on a side of the shielding plate facing the heating device, the partition plate extends from the shielding plate in a direction close to the main plate.

8. The enclosure of claim 1, wherein, The shielding plate is provided with a conducting part; the conducting part extends from a side of the shielding plate in a direction away from the shielding plate, and protrudes from the shielding plate in a direction away from the main plate, and an end face of the conducting part away from the main plate is in abutment with an inner wall of the shell.

9. The enclosure of any one of claims 1 to 8, wherein, The heating device comprises a protective shell, an electromagnetic coil and a pipe body, the protective shell is accommodated in the first gap, the electromagnetic coil is arranged in the protective shell, the pipe body is arranged in the electromagnetic coil, and two end portions of the electromagnetic coil are both welded with the main plate.

10. An aerosol-generating device comprising, The application further relates to a shell comprising any one of the shells according to claims 1 to 9.

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