Aroma diffuser and in-vehicle air treatment component including the same

Abstract

A fragrance diffuser and an in-vehicle air treatment component including the same, comprising a fragrance unit for diffusing fragrance and a box configured to accommodate the fragrance unit, wherein the box comprises a top wall, a bottom wall and a side wall connecting the top wall and the bottom wall, and wherein the bottom wall comprises a wavy structure, the wavy structure is configured to be suitable for cooperating with the pleated structure of the automobile cabin air filter, and the top wall is provided with at least one opening so that part of the air flowing through the automobile cabin air filter can flow into and out of the box through the at least one opening, thereby carrying the fragrance of the fragrance unit into the automobile cabin. The fragrance of the fragrance unit can be quickly and evenly diffused throughout the entire cabin. In addition, the fragrance diffuser eliminates the risk of liquid overflow or leakage associated with existing single-stand aromatherapy machines, and the overall environment is neat and beautiful.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioning devices, in particular to a fragrance diffuser and an in-vehicle air treatment component comprising the fragrance diffuser. Background Art

[0002] As the pace of modern life continues to accelerate, people's demand for comfort and convenience is also increasing. Cars have become an indispensable part of our daily lives, and the comfort of the in-car environment is crucial for drivers and passengers.

[0003] Automakers are continually seeking to improve the comfort and enjoyment of the driving experience for vehicle occupants. As technology advances, enhancing the in-vehicle atmosphere has become an area of ​​focus. Various methods have been used to introduce pleasant scents into vehicle interiors, including hanging air fresheners and built-in fragrance dispensers. However, these methods often lack effectiveness, uniformity, and require complex maintenance.

[0004] One type of existing car fragrance diffusers simply places a small-volume household spice bottle or perfume into the car. The fragrance is integrated with the container, and the fragrance continues to diffuse from the moment the package is opened until it is exhausted. Since the concentration and diffusion time of the fragrance cannot be controlled, the intensity of the fragrance remains high, and the high-intensity smell makes the driver or passengers feel uncomfortable. In addition, this type of car fragrance diffuser usually sticks the fragrance container (metal or glass material) on the dashboard in front of the driver's seat, blocking the driver's forward vision and easily reflecting sunlight, distracting the driver's attention and affecting safe driving. Another type of existing car fragrance diffusers usually rely on power, limiting their availability in the car.

[0005] In short, traditional car diffusers often have the following disadvantages: short scent duration, reliance on power, potential for mess and spillage, limited coverage, and the need for regular maintenance.

[0006] Therefore, it is desirable to provide an improved automobile air purifier to eliminate or at least partially alleviate the above problems. Utility Model Content

[0007] The purpose of the utility model is to provide a fragrance diffuser which can eliminate or at least alleviate one or more of the above-mentioned disadvantages.

[0008] According to one aspect of the utility model, a fragrance diffuser is provided, which is suitable for being assembled to a car cabin air filter. The fragrance diffuser comprises a fragrance unit for diffusing fragrance and a box configured to accommodate the fragrance unit, wherein the box comprises a top wall, a bottom wall and a side wall connecting the top wall and the bottom wall, and wherein the bottom wall comprises a corrugated structure, the corrugated structure is configured to be suitable for matching with the pleated structure of the car cabin air filter, and the top wall is provided with at least one opening so that part of the air flowing through the car cabin air filter can flow into and out of the box through the at least one opening, thereby carrying the fragrance of the fragrance unit into the car cabin.

[0009] The air conditioning system is an important part of the comfort of the in-car environment, and the fragrance diffuser (or aromatherapy machine) can further improve the in-car environment and make it more pleasant. The utility model cleverly integrates the fragrance diffuser into the car cabin air filter (CAF). As long as the vehicle's air conditioning system is in operation, the fragrance of the fragrance unit will quickly and evenly diffuse throughout the cabin. In addition, the fragrance diffuser according to the utility model also eliminates the risk of liquid overflow or leakage associated with existing stand-alone aromatherapy machines, and the overall environment is clean and beautiful.

[0010] According to an embodiment of the present invention, the cross-section of the corrugated structure along the vertical plane includes a plurality of V-shapes, W-shapes or trapezoids.

[0011] According to an embodiment of the present invention, the pitch of each of the multiple V-shapes, W-shapes or trapezoidal shapes is equal to or slightly larger than the pitch of the pleated structure of the automobile cabin air filter.

[0012] According to one embodiment of the present invention, each side surface of the corrugated structure includes at least one barb structure to securely fasten the fragrance diffuser to the automobile cabin air filter.

[0013] According to one embodiment of the present invention, the at least one barb structure is located at the middle of the side surface of the corrugated structure in the vertical direction. According to one embodiment of the present invention,

[0014] According to an embodiment of the present invention, the bottom wall and the side walls of the box are integrally molded from plastic material.

[0015] According to an embodiment of the present invention, the top wall, the bottom wall and the side walls of the box are made of plastic material.

[0016] According to an embodiment of the present invention, the plastic material includes at least one polymer material.

[0017] According to an embodiment of the present invention, the top wall, the bottom wall and the side walls are surrounded by an internal space for accommodating the fragrance unit.

[0018] According to an embodiment of the present invention, the internal space includes a plurality of accommodating units for accommodating the fragrance unit.

[0019] According to an embodiment of the present invention, the top wall is pivotally connected to the bottom wall and the side wall so as to open or close the internal space, thereby facilitating the taking and placing of the fragrance unit.

[0020] According to one embodiment of the present invention, the fragrance unit includes a plurality of bead-shaped fragrance polymers.

[0021] According to one embodiment of the present invention, each bead-shaped fragrance polymer is solid.

[0022] According to one embodiment of the present invention, each bead-shaped fragrance polymer comprises a solid capsule and a liquid contained in the solid capsule.

[0023] According to another aspect of the utility model, there is provided an in-vehicle air treatment assembly, which comprises the above-mentioned fragrance diffuser and an automobile cabin air filter, wherein the fragrance diffuser is suitable for being assembled to the automobile cabin air filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In the drawings, like reference numerals generally refer to like parts throughout the different views. Also, the drawings are not necessarily drawn to scale, emphasis instead generally being placed upon illustrating the principles of the present invention.

[0025] Figure 1 is a perspective view of an assembly of a fragrance diffuser according to an exemplary embodiment of the present invention, wherein the top wall of the box is in a closed state.

[0026] Figure 2 is a perspective view of an assembly of a fragrance diffuser according to an exemplary embodiment of the present invention, wherein the top wall of the box is in an open state.

[0027] Figure 3 is a schematic perspective view of an automobile cabin air filter to be matched with a fragrance diffuser according to an exemplary embodiment of the present invention.

[0028] Figure 4 It is a partial schematic enlarged view of a fragrance unit of a fragrance diffuser according to an exemplary embodiment of the utility model.

[0029] Figure 5 The figure schematically shows the assembled state of a fragrance diffuser and a car cabin air filter according to an exemplary embodiment of the utility model.

[0030] Figure 6 yes Figure 5 A partially enlarged top view of the .

[0031] Figure 7 yes Figure 6 Cross-section along line AA.

[0032] Figure 8 1 is a bottom perspective view of a fragrance diffuser according to an exemplary embodiment of the present invention, showing the distribution of the barb structure. DETAILED DESCRIPTION

[0033] The specific implementation of the aroma diffuser of the utility model is exemplarily described below with reference to the accompanying drawings. In addition, it should be noted that this description does not limit the utility model in any way.

[0034] It should be understood that all combinations of the foregoing concepts and the additional concepts discussed in more detail below (as long as these concepts are not mutually inconsistent) are considered part of the utility model subject matter disclosed herein. In particular, all combinations of the claimed subject matter appearing at the end of this disclosure are considered part of the utility model subject matter disclosed herein. It should also be understood that terms explicitly used herein that may also appear in any disclosure incorporated by reference should be given the meaning most consistent with the specific concepts disclosed herein.

[0035] Please also see Figures 1 to 8 According to an embodiment of the present invention, a fragrance diffuser 100 is suitable for being assembled to a car cabin air filter 3. The fragrance diffuser 100 comprises: a fragrance unit 2 for diffusing fragrance; and a box 1 configured to accommodate the fragrance unit 2, wherein the box 1 comprises a top wall 11, a bottom wall 12, and a side wall 13 connecting the top wall 11 and the bottom wall 12, and wherein the bottom wall 12 comprises a corrugated structure 122, the corrugated structure 122 is configured to be suitable for cooperating with the pleated structure 33 of the car cabin air filter 3, and the top wall 11 is provided with at least one opening 111 (conducive to the efficient diffusion of fragrance) so that part of the air flowing through the car cabin air filter 3 can flow into and out of the box 1 through the at least one opening 111, thereby carrying the fragrance of the fragrance unit 2 into the car cabin. The corrugated structure 122 is configured to perfectly match the pleated structure 33 of the car cabin air filter 3, ensuring a close fit and maximum contact to achieve optimal fragrance diffusion.

[0036] The aroma diffuser 100 has the following technical advantages: the air conditioning system is an important component of the comfort of the in-vehicle environment, and the aroma diffuser (or aromatherapy machine) can further improve the in-vehicle environment and make it more pleasant. The utility model cleverly integrates the aroma diffuser 100 into the car cabin air filter 3, and as long as the vehicle's air conditioning system is in operation, the fragrance of the fragrance unit 2 will quickly and evenly diffuse throughout the cabin. In addition, the aroma diffuser 100 according to the utility model also eliminates the risk of liquid overflow or leakage associated with existing stand-alone aromatherapy machines, and the overall environment is neat and beautiful.

[0037] Optionally, the cross-section of the corrugated structure 122 along the vertical plane includes a plurality of V-shapes, W-shapes or trapezoids. The pitch of each of the plurality of V-shapes, W-shapes or trapezoids is equal to or slightly larger than the pitch of the pleated structure 33 of the automobile cabin air filter 3. Each side surface of the corrugated structure 122 includes at least one barb structure 1222 to securely fasten the fragrance diffuser 100 to the automobile cabin air filter 3. The at least one barb structure is located at the middle of the side surface of the corrugated structure 122 in the vertical direction. The at least one barb structure 1222 can be hooked on the surface of the pleated structure 33 of the automobile cabin air filter 3, so as to be securely attached to the surface of the automobile cabin air filter 3 and prevent the fragrance diffuser 100 according to the utility model from falling off during the operation or maintenance of the automobile. Figure 8 As shown, the barb structure 1222 is designed on the inner side of the surface, and the user will not touch the barb structure 1222, thereby ensuring the safety of installation and replacement.

[0038] Optionally, the top wall 11, the bottom wall 12 and the side wall 13 are surrounded by an internal space 10 for accommodating the fragrance unit 2. The internal space 10 includes a plurality of accommodating units for accommodating the fragrance unit 2. The top wall 11 is pivotally connected to the bottom wall 12 and the side wall 13 so as to open or close the internal space 10, thereby facilitating the taking and placing of the fragrance unit 2.

[0039] Optionally, the fragrance unit 2 includes a plurality of beaded fragrance polymers. Each beaded fragrance polymer may be solid, or may include a solid capsule and a liquid contained in the solid capsule. Each polymer bead may contain encapsulated fragrance oil to provide safe and stable fragrance diffusion without the risk of mess or spillage.

[0040] Optionally, the bottom wall 12 and the side wall 13 of the box 2 can be integrally molded by plastic material. Alternatively, the top wall, bottom wall and side wall of the box are made of plastic material. The plastic material may include at least one polymer material. The structural design of this plastic material can have a certain elasticity to adapt to the different thicknesses of various pleated structures 33 of various automobile cabin air filters 3, so that the automobile cabin air filters 3 of different materials or thicknesses can be perfectly matched, and almost all automobile and household filter installation environments can be met, without additional installation accessories, and truly plug and play.

[0041] The aroma diffuser 100 according to the utility model is designed to enhance the olfactory experience in the car cabin by diffusing aroma through the car air conditioning system. The aroma diffuser 100 is configured to be attached to the car cabin air filter 3 to allow easy installation and no maintenance is required during the service life of the cabin air filter 3. By integrating with the car air conditioning system, the aroma diffuser 100 spreads the aroma throughout the car interior, providing passengers with a pleasant and customizable environment. The following are some other beneficial effects of the aroma diffuser 100 according to the utility model:

[0042] - Long duration of fragrance: By integrating with the cabin air filter 3, the fragrance diffuser 100 ensures that the fragrance is continuously and evenly diffused throughout the entire car cabin. Unlike some conventional stand-alone aromatherapy machines that can only provide fragrance for a short time or have a limited lifespan, the fragrance diffuser 100 according to the utility model releases fragrance as long as the car air conditioning system is running. This extended fragrance duration enhances the overall driving experience without the need for frequent fragrance refilling or replacement;

[0043] -Independence from power supply: Some conventional aromatherapy machines rely on power supply, limiting their usability in cars. By attaching the aroma diffuser 100 according to the present invention to the cabin air filter 3, it utilizes the car's existing HVAC system (heating, ventilation and air conditioning system) as a power source. This eliminates the need for separate batteries or electrical connections, ensuring continuous aroma diffusion;

[0044] - No mess and spillage: Some existing liquid aromatherapy machines have the risk of spillage or leakage, especially during refilling or handling, resulting in mess and potential damage to surrounding surfaces or fabrics. By integrating with the cabin air filter 3 and using scented polymer beads, the aromatherapy diffuser 100 according to the utility model eliminates the risk of spillage or leakage associated with existing stand-alone aromatherapy machines. The scented beads contained in the interior space 10 of the box 1 are stably contained in the interior space 10, preventing any mess or spillage during driving;

[0045] - Unlimited fragrance coverage area: The fragrance of some existing aromatherapy machines can only cover a small area, and larger spaces or car cabins require multiple aromatherapy machines, which can be costly and cumbersome to manage. By distributing the fragrance directly into the airflow of the car's HVAC system, the fragrance diffuser 100 according to the utility model ensures that the fragrance is evenly diffused throughout the cabin, regardless of its size. This comprehensive fragrance coverage eliminates the need for multiple aromatherapy machines, providing an efficient and cost-effective solution for distributing fragrance to larger spaces; and

[0046] - Lower maintenance requirements: Some existing aromatherapy machines require regular maintenance, such as regular cleaning or oil replenishment, which increases the overall cost and cost of ownership. By integrating with the cabin air filter 3, the aroma diffuser 100 according to the utility model simplifies the maintenance procedure. The user can easily replace the aroma diffuser 100 along with the cabin air filter 3 that is replaced regularly, thereby reducing the need for a separate maintenance plan or procedure. This simplified approach minimizes the workload and cost associated with maintaining the aromatherapy system.

[0047] The aroma diffuser 100 according to the present invention provides a convenient and effective solution for enhancing the olfactory experience in a car cabin. Its integrated accessories, solid polymer aroma beads, and flexible mounting options make it a universal and user-friendly solution for scenting a car cabin through an air conditioning system. In short, by alleviating or even eliminating the limitations of traditional or existing aromatherapy machines, the aroma diffuser 100 according to the present invention provides an efficient, convenient, and reliable solution for scenting a car cabin, thereby enhancing the overall driving and riding experience of the car occupants.

[0048] The aroma diffuser 100 according to the present invention may not be limited to the automotive field, but may also be attached to a filter of a portable or household air purifier.

[0049] Please see attached Figure 5-7 The utility model also provides an in-vehicle air treatment component, which includes the above-mentioned fragrance diffuser 100 and the automobile cabin air filter 3, wherein the fragrance diffuser 100 is suitable for being assembled to the automobile cabin air filter 3. The design of the fragrance diffuser 100 according to the utility model allows it to be flexibly installed at any position of the pleated structure 33 of the automobile cabin air filter 3. For example, the user can install the fragrance diffuser 100 at various positions of the pleated structure 33 of the automobile cabin air filter 3, such as the corner or center of the pleated structure 33 of the automobile cabin air filter 3. The wavy design ensures that the fragrance diffuser 100 is mostly or completely embedded in the pleated structure 33 of the automobile cabin air filter 3, and no part protrudes above the top frame of the automobile cabin air filter 3.

[0050] Those skilled in the art will understand the term "substantially" herein (such as in "substantially all light" or in "substantially consisting of..."). The term "substantially" may also include embodiments with "entirely", "completely", "all", etc. Therefore, in embodiments, the adjective substantially is also removable. Where applicable, the term "substantially" may also relate to 90% or higher, such as 95% or higher, in particular 99% or higher, even more particularly 99.5% or higher, including 100%. The term "comprising" also includes embodiments in which the term "comprising" means "consisting of..." The term "and / or" particularly relates to one or more of the items mentioned before and after "and / or". For example, the phrase "item 1 and / or item 2" and similar phrases may relate to one or more of item 1 and item 2. The term "comprising" may refer to "consisting of..." in one embodiment, but may also refer to "including at least the defined species and optionally including one or more other species" in another embodiment.

[0051] In addition, the terms first, second, third, etc. in this specification and in the claims are used to distinguish between similar elements and do not denote any order, quantity, or importance. It should be understood that the terms so used are interchangeable under appropriate circumstances, and the embodiments of the invention described herein are capable of operating in a different order than described or shown herein.

[0052] "Up", "down", "left", "right", etc. are only used to indicate relative position relationships. When the absolute position of the object being described changes, the relative position relationship may also change accordingly.

[0053] Although several utility model embodiments have been described and shown herein, a person of ordinary skill in the art will easily think of various other devices and / or structures for performing the functions described herein and / or obtaining the results and / or one or more advantages described herein, and each of these changes and / or modifications is considered to be within the scope of the utility model embodiments described herein. More generally, it will be readily understood by those skilled in the art that all parameters, dimensions, materials, and configurations described herein are intended to be exemplary, and that actual parameters, dimensions, materials, and / or configurations will depend on one or more specific applications for which the utility model teachings are used. Those skilled in the art will recognize or be able to use no more than routine experiments to ascertain many equivalents of the specific utility model embodiments described herein. Therefore, it should be understood that the foregoing embodiments are presented only by way of example, and within the scope of the appended claims and their equivalents, the utility model embodiments may be implemented in a manner different from that specifically described and claimed. The utility model embodiments are directed to each individual feature, system, article, material, kit, and / or method described herein. In addition, if such features, systems, articles, materials, kits, and / or methods are not mutually inconsistent, any combination of two or more such features, systems, articles, materials, kits, and / or methods is included within the scope of the utility model.

[0054] All definitions, as defined and used herein, should be understood to control over dictionary definitions, definitions in documents incorporated by reference, and / or ordinary meanings of the defined terms.

[0055] Unless explicitly indicated to the contrary, the indefinite articles "a" or "an" as used herein in the specification and claims should be understood to mean "at least one".

[0056] The phrase "and / or" as used herein in the specification and claims should be understood to mean "either or both" of the elements so combined, i.e., elements that are present in combination in some cases and not in combination in other cases. Several elements listed with "and / or" should be interpreted in the same manner, i.e., "one or more" of the elements so combined. In addition to the elements specifically identified by the "and / or" clause, other elements may optionally be present, whether related or unrelated to those specifically identified. Thus, as a non-limiting example, when used in conjunction with open language such as "comprising", a reference to "A and / or B" may refer to only A (optionally including elements other than B) in one embodiment; to only B (optionally including elements other than A) in another embodiment; to both A and B (optionally including other elements) in yet another embodiment, and so on.

[0057] As used herein in the specification and claims, "or" should be understood to have the same meaning as "and / or" defined above. For example, when separating items in a list, "or" or "and / or" should be interpreted as inclusive, i.e., including at least one of a plurality of elements or a list of elements, but also including more than one, and optionally, additional unlisted items. Only terms that clearly indicate the opposite, such as "only one" or "exactly one" or "consisting of..." when used in a claim, will refer to including exactly one element in a plurality of elements or a list of elements. In general, the term "or" used herein should be interpreted as indicating exclusive substitution (i.e., "one or the other, but not both") only when an exclusive term (e.g., "any one", "one of", "only one" or "exactly one") is added in front. "Substantially consisting of..." when used in a claim, should have its general meaning used in the field of patent law.

[0058] As used in the specification and claims, the phrase "at least one" in a list of one or more elements is to be understood to mean at least one element selected from any one or more elements in the list of elements, but does not necessarily include at least one of each element specifically listed in the list of elements, and does not exclude any combination of elements in the list of elements. This definition also allows that elements other than the elements specifically identified in the list of elements mentioned by the phrase "at least one" may optionally be present, whether related or unrelated to those specifically identified elements. Thus, as a non-limiting example, "at least one of A and B" (or, equivalently, "at least one of A or B", or equivalently "at least one of A and / or B") may refer to at least one, optionally including more than one A without B (and optionally including elements other than B) in one embodiment; to at least one, optionally including more than one B without A (and optionally including elements other than A) in another embodiment; to at least one, optionally including more than one A and at least one, optionally including more than one B (and optionally including other elements) in yet another embodiment, and so on.

[0059] It should also be understood that in any method claimed herein that includes more than one step or action, the order of the steps or actions of the method is not necessarily limited to the order in which the steps or actions of the method are described unless explicitly indicated to the contrary.

[0060] In the claims and the above description, all transitional phrases such as "include", "comprising", "carrying", "having", "containing", "involving", "maintaining", "consisting of", etc. should be understood as open-ended, meaning including but not limited to.

[0061] Reference numerals list

[0062] 1 Box

[0063] 10 The interior space of the box

[0064] 11 Top wall of box

[0065] 111 Opening in the top wall of the box

[0066] 12 Bottom wall of box

[0067] 122 The corrugated structure of the bottom wall of the box

[0068] 1222 Barbed structure on the side surface of the corrugated structure of the bottom wall of the box

[0069] 13 Side wall of box

[0070] 2 Fragrance Units

[0071] 3 Car cabin air filter

[0072] 33 Pleated structure of car cabin air filter

[0073] 100 scent diffusers

Claims

1. A fragrance diffuser (100), which is suitable for being assembled to an automobile cabin air filter (3), the fragrance diffuser (100) comprising: A fragrance unit (2) for diffusing fragrance; as well as A box (1) configured to accommodate a fragrance unit (2), wherein the box (1) comprises a top wall (11), a bottom wall (12) and a side wall (13) connecting the top wall (11) and the bottom wall (12), The invention is characterized in that the bottom wall (12) comprises a corrugated structure (122) which is configured to cooperate with the pleated structure (33) of the automobile cabin air filter (3), and the top wall (11) is provided with at least one opening (111) so that part of the air flowing through the automobile cabin air filter (3) can flow into and out of the box (1) through the at least one opening (111), thereby carrying the fragrance of the fragrance unit (2) into the automobile cabin.

2. The aroma diffuser (100) according to claim 1, characterized in that: The cross section of the corrugated structure (122) along a vertical plane includes a plurality of V-shapes, W-shapes or trapezoids.

3. The aroma diffuser (100) according to claim 2, characterized in that: The pitch of each of the multiple V-shapes, W-shapes or trapezoidal shapes is equal to or slightly larger than the pitch of the pleated structure (33) of the automobile cabin air filter (3).

4. The aroma diffuser (100) according to claim 2, characterized in that: Each side surface of the corrugated structure (122) includes at least one barb structure (1222) to securely fasten the fragrance diffuser (100) to the automobile cabin air filter (3).

5. The aroma diffuser (100) according to claim 4, characterized in that: The at least one barb structure is located at the middle of the side surface of the corrugated structure (122) in the vertical direction.

6. The fragrance diffuser (100) according to any one of claims 1 to 5, characterized in that: The bottom wall (12) and the side wall (13) of the box (1) are integrally molded from plastic material.

7. The fragrance diffuser (100) according to any one of claims 1 to 5, characterized in that: The top wall (11), the bottom wall (12) and the side walls (13) of the box (1) are made of plastic material.

8. The aroma diffuser (100) according to claim 7, characterized in that: The plastic material comprises at least one polymer material.

9. The fragrance diffuser (100) according to any one of claims 1 to 5, characterized in that: The top wall (11), the bottom wall (12) and the side wall (13) enclose an internal space (10) for accommodating the fragrance unit (2).

10. The aroma diffuser (100) according to claim 9, characterized in that: The internal space (10) comprises a plurality of accommodating units for accommodating the fragrance unit (2).

11. The aroma diffuser (100) according to claim 9, characterized in that: The top wall (11) is pivotally connected to the bottom wall (12) and the side wall (13) so as to open or close the inner space (10), thereby facilitating the taking and placing of the fragrance unit (2).

12. The fragrance diffuser (100) according to any one of claims 1 to 5, characterized in that: The fragrance unit (2) comprises a plurality of fragrance polymers in the form of beads.

13. The aroma diffuser (100) according to claim 12, characterized in that: Each fragrance polymer in bead form is solid.

14. The aroma diffuser (100) according to claim 12, characterized in that: Each of the bead-shaped fragrance polymers includes a solid capsule and a liquid contained in the solid capsule.

15. An in-vehicle air treatment assembly, comprising a fragrance diffuser (100) according to any one of claims 1 to 14 and an automobile cabin air filter (3), wherein: The fragrance diffuser (100) is suitable for being assembled to the automobile cabin air filter (3).

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