Control method and control device of vehicle-mounted fragrance device and storage medium

Abstract

The invention discloses a control method of a vehicle-mounted fragrance device. The control method comprises the following steps: identifying a current travel stage through a navigation module; if the travel is started, controlling to release first fragrance, triggering an image acquisition module to acquire image data of the driver in real time so as to perform emotion recognition, and when the emotion is recognized to be anger, releasing second fragrance; if the user has a rest midway, the navigation module is triggered to search for nearby scenic spots, then third fragrance is released, and scenic spot introduction is played; when the vehicle restarts, switching to the first fragrance; if the user is about to arrive at the destination, scenic spots near the destination are searched through a navigation module, then corresponding fourth fragrance is released, and scenic spot introduction is played; if yes, image data of the driver are collected in real time through an image collection module, emotion recognition and driving state recognition are conducted, and when the emotion is recognized to be dysphoria, fifth fragrance is released; or when fatigue driving is recognized, the sixth fragrance is released.

Description

Technical Field

[0001] This invention belongs to the field of in-vehicle electronic fragrance technology, and particularly relates to a control method, control device, and storage medium for an independently connected in-vehicle fragrance device. Background Technology

[0002] Traditional tourism promotion typically involves designing promotional copy and then attracting tourists through media and advertising. Even niche attractions (especially those with rich historical and cultural heritage and local specialties that haven't undergone significant commercial development, or short-distance destinations near residential areas) rely on word-of-mouth to attract visitors. While media and advertising can significantly increase visitor numbers, they are also costly and unsuitable for niche attractions; word-of-mouth is simply too inefficient. Therefore, how to proactively promote these niche attractions at a low cost to help increase visitor numbers has become a pressing issue.

[0003] In recent years, user experience has received increasing attention from car manufacturers and users. As a means to enhance user perception, car fragrance systems have replaced traditional external perfume bottles. Car fragrance systems developed by car manufacturers have obvious brand characteristics, increase brand recognition, optimize the passenger cabin environment, and enhance user experience through user-defined functions such as scent selection and concentration selection. Therefore, they are becoming more and more popular and have become a daily necessity for people.

[0004] Current in-car fragrance solutions on the market are mainly integrated designs, blending with the car's air conditioning system. Each brand has its own unique installation method and fixed fragrance selections. Subsequently, standalone external electronic in-car fragrance devices have emerged, offering more fragrance choices and more flexible personalized settings. However, whether it's the original equipment manufacturer (OEM) or an external third-party fragrance diffuser, they can only passively emit fragrance according to user settings, lacking in functionality.

[0005] Therefore, various in-car fragrance devices capable of actively switching fragrances have emerged: adjusting the fragrance type or concentration through voice control, switching the fragrance type according to the driver's state (such as mood, whether driving while fatigued, etc.); and even switching the fragrance type according to the vehicle's driving status (such as vehicle speed), surrounding environment, weather, etc.

[0006] For example, Chinese patent application CN202311255585.7 discloses a vehicle fragrance control system, method, and vehicle. The system includes a detection device, a fragrance generating device, and an in-vehicle terminal. The detection device includes a first detection device and a second detection device. The first detection device acquires vehicle speed information and environmental information, including weather information and road information. The second detection device acquires the number of occupants in the vehicle. The in-vehicle terminal determines a first fragrance type signal from the fragrance generating device based on the vehicle speed and environmental information, and determines a first fragrance concentration signal from the fragrance generating device based on the number of occupants. The fragrance generating device releases fragrance based on the first fragrance type signal and the first fragrance concentration signal. Although this fragrance control system can release different fragrances according to vehicle speed, weather, and road conditions, the interaction between these external factors and fragrance usage remains relatively basic and direct, lacking sufficient depth.

[0007] For example, Chinese patent application CN116923057A discloses a vehicle fragrance control method and device. When the vehicle is started, it uses an initial fragrance mode to control the vehicle's fragrance device and an internal circulation mode to control the vehicle's air conditioning device. It periodically acquires the user's facial information and heart rate information; determines the user's status based on the user's facial information and heart rate information; determines whether to switch the fragrance mode of the fragrance device based on the user's status; if it is determined that the fragrance mode should be switched, it acquires the air quality information outside the vehicle; if the air quality information meets the conditions, it switches the air conditioning device from internal circulation mode to external circulation mode and controls the fragrance device to switch fragrance modes; it records the first continuous usage time of the air conditioning device in external circulation mode; and when the first continuous usage time reaches a first threshold, it switches the air conditioning device from external circulation mode to internal circulation mode.

[0008] However, existing technologies, whether based on external factors (such as weather and environment), internal factors (such as driver condition and vehicle status), or both, consider switching fragrance types, but they neglect the different situations that may occur at different stages of the journey. In other words, they do not reasonably adjust the fragrance according to different stages of the journey, and they do not consider combining it with tourism promotion to actively push niche attractions. Summary of the Invention

[0009] The purpose of this invention is to provide a control method, control device, and storage medium for an in-vehicle fragrance device, which can autonomously release different fragrances according to different stages of a short trip, thereby improving the user experience; at the same time, it can also actively push information about scenic spots and their related scents, that is, simultaneously provide users with both auditory and olfactory sensory stimulation, promoting users' enthusiasm for further learning.

[0010] To solve the aforementioned technical problems, the present invention specifically adopts the following technical solution: a control method for a car fragrance device, comprising the following steps:

[0011] The navigation module identifies the current stage of the vehicle's journey; the journey stages include: journey start, journey in progress, rest stop, approaching destination, and return journey.

[0012] If the trip has started, the in-vehicle fragrance device is controlled to release a pre-set first fragrance and triggers the image acquisition module to collect image data of the driver during the trip from the origin to the destination in real time for emotion recognition. When the driver's emotion is detected as anger, a second fragrance that can soothe the emotion is released.

[0013] If it is a rest stop, the navigation module is triggered to search for nearby attractions based on the vehicle's current location, then releases a third fragrance matched with the scent characteristics of the attraction, and plays the obtained attraction introduction; and when the navigation module recognizes that the vehicle is starting again, the third fragrance is switched to the first fragrance.

[0014] If the destination is about to be reached, the navigation module will locate attractions near the destination, release a fourth fragrance matched with the odor characteristics of the attractions, and play the obtained introduction to the attractions.

[0015] If it is during the return trip, the image acquisition module collects the driver's image data in real time and performs emotion recognition and driving status recognition. When the driver's emotion is detected as agitated, the fifth fragrance that can calm emotions is released; or when the driver is detected as fatigued, the sixth fragrance that can invigorate the spirit is released.

[0016] In some embodiments, the step of matching a third aroma based on the local specialty specifically includes the following steps:

[0017] Determine whether the attraction is an odor-based attraction. If it is, obtain the odor characteristics of the attraction and determine whether there is a fragrance that matches the odor characteristics. If there is, identify the found fragrance as the third fragrance. Otherwise, indicate that there is no corresponding fragrance, obtain and play the corresponding attraction introduction. If it is not an odor-based attraction, obtain and play the corresponding attraction introduction.

[0018] In some embodiments, the step of switching the third aroma to the first aroma specifically includes the following steps:

[0019] The navigation module determines whether the destination has been switched to the attraction corresponding to the third fragrance. If so, the third fragrance continues to be released; otherwise, the third fragrance is switched back to the first fragrance.

[0020] In some embodiments, the journey phase further includes approaching the origin. Accordingly, the control method further includes the steps of: if approaching the origin, acquiring the driver's image data in real time through an image acquisition module and performing emotion recognition, and when the driver's emotion is identified as excitement or agitation, releasing a fifth fragrance that can stabilize the emotion.

[0021] In some embodiments, the journey phase further includes the end of the journey, and accordingly, the control method further includes the step of: if the journey is over, generating an odor journey, the odor journey including the route of the entire journey from the origin to the destination, and the fragrances released at each stage of the journey.

[0022] In some embodiments, the step of releasing a pre-set first aroma specifically includes the following steps: acquiring and identifying the solar term type of the day, and matching the aroma pre-set for the corresponding solar term type from the database according to the solar term type of the day; determining whether there is an aroma corresponding to the solar term type at present, and if so, releasing the corresponding aroma; if not, releasing the pre-set first aroma.

[0023] In some embodiments, the control method further includes the steps of: collecting environmental information through an on-board sensing module, and determining whether the current driving is at night based on the environmental information; if so, releasing a preset preferred fragrance.

[0024] A second aspect of the present invention provides a control device for a car fragrance device, comprising:

[0025] The wireless communication module is used for data communication with the navigation module in the vehicle navigation system or the user's mobile terminal;

[0026] The first control module is used to control the in-vehicle fragrance device to release a pre-set first fragrance when the in-vehicle navigation system / the navigation module recognizes that the current trip stage is the start of the trip; and to trigger the image acquisition module to collect image data of the driver in real time from the origin to the destination, and to perform emotion recognition based on the collected image data, and when the driver's emotion is recognized as anger, to control the in-vehicle fragrance device to release a second fragrance that can soothe the emotion; the trip stages include: trip start, trip in progress, rest stop, approaching the destination, and return trip;

[0027] The second control module is used to, when the in-vehicle navigation system / the user terminal recognizes that the current trip stage is a rest stop, trigger the in-vehicle navigation system or the navigation module to search for nearby attractions based on the current location of the vehicle, then control the in-vehicle fragrance device to release a third fragrance matched according to the odor characteristics of the attraction, and trigger the voice playback module to play the obtained attraction introduction; and when the in-vehicle navigation system / the navigation module recognizes that the vehicle is starting again, control the in-vehicle fragrance device to switch the third fragrance to the first fragrance;

[0028] The third control module is used to, when the vehicle navigation system / the navigation module recognizes that the current travel stage is about to reach the destination, trigger the vehicle navigation system / the navigation module to find attractions near the destination, then control the vehicle fragrance device to release a fourth fragrance matched according to the smell characteristics of the attraction, and trigger the voice playback module to play the obtained attraction introduction;

[0029] The fourth control module is used to, when the vehicle navigation system / the navigation module identifies the current trip stage as a return trip, perform emotion recognition and driving status recognition based on the image data of the driver collected in real time by the image acquisition module, and when the driver's emotion is identified as irritable, control the vehicle fragrance device to release a fifth fragrance that can stabilize emotions; or, when the driver is identified as fatigued, control the vehicle fragrance device to release a sixth fragrance that can invigorate the spirit.

[0030] In some embodiments, the second control module is further configured to determine whether the attraction is an odor-type attraction; if it is an odor-type attraction, it acquires the odor characteristics of the odor-type attraction and determines whether the in-vehicle fragrance device stores an odor that matches the odor characteristics; if so, it identifies the found fragrance as the third fragrance; otherwise, it prompts that there is no corresponding fragrance and controls the voice playback module to play the acquired attraction introduction; if it is not an odor-type attraction, it controls the voice playback module to play the acquired attraction introduction.

[0031] A third aspect of the present invention is to provide a computer-readable storage medium storing a computer program that, when executed, enables the control method of the above-described in-vehicle fragrance device.

[0032] The advantages of this invention are: This invention stores fragrance materials with different fragrance notes, such as fragrance oils, through a multi-fragrance memory; and enters different fragrance matching modes according to different stages of the journey. For example, during the journey or return trip, when the driver is in a driving state, an emotion mode is activated to adjust the fragrance according to the driver's emotions and mood. This allows the release of soothing and relaxing fragrances to alleviate negative emotions such as anger and irritability. In other words, all fragrances are categorized according to their ability to regulate the driver's emotions during these journey stages. Similarly, during rest stops... When approaching or nearing the destination, the driver has sufficient time and energy to experience the experience and make decisions, as they are about to stop or have already stopped. Therefore, the experience mode is activated, allowing the driver to match the corresponding fragrance based on the olfactory characteristics of the attraction (e.g., the scent of local specialties or associated scents) by atomizing and spraying the fragrance oil stored in the multi-fragrance memory through a misting nozzle. The navigation module / in-vehicle navigation system obtains the vehicle's location and nearby attractions, and controls the multi-fragrance memory to call up the corresponding type of fragrance oil for misting and spraying it through the atomizing nozzle according to the attraction.

[0033] In this invention, the controller uses GPS-based location data to search the internet for nearby attractions near the rest stop. It then controls a multi-fragrance memory to retrieve the corresponding fragrance oil, which is sprayed through atomizing nozzles to permeate the car with the aroma, providing sensory stimulation (olfactory and visual). This creates an immersive experience for passengers, encouraging them to explore the attraction further. Since the rest stop is taken midway, users have ample time to experience and make decisions without affecting the driver's driving (for example, existing GPS navigation systems often play descriptions of attractions along the route while the driver is driving, which can be distracting, especially with frequent playback, potentially causing negative emotions and leading drivers or passengers to disable the function, thus hindering attraction). This invention uses the vehicle's real-time location to deeply analyze relevant attractions and local products, then distributes the fragrance accordingly. Compared to existing technologies that directly link fragrance to vehicle speed, weather, and road conditions, this invention's fragrance distribution has a deeper connection, providing a more sophisticated experience for users.

[0034] In addition, the present invention can disperse the corresponding fragrance based on time information, or a combination of time information and geographical location information; it can also disperse the corresponding fragrance based on the temperature and humidity inside the vehicle; and it can also disperse the corresponding fragrance based on the driver's mood.

[0035] This invention includes a voice recognition module that parses user voice into control commands. Based on the control commands, the module controls the multi-fragrance memory to retrieve the corresponding type of fragrance oil and spray it through an atomizing nozzle; or / and, adjusts the opening of the atomizing nozzle based on the control commands, thereby improving driving safety.

[0036] In addition, this invention is equipped with a Bluetooth module for connecting to the vehicle's infotainment system and / or the user's smart device. Users fill in their personal information in the application, including driving habits and fragrance preferences, selecting or customizing fragrance schemes, and setting parameters such as fragrance intensity and type. It can also configure intelligent functions, such as emotion recognition and environmental adaptation settings.

[0037] The controller can also query information related to the location based on the GPS feedback, including tourist attraction introductions, local customs, historical anecdotes, major news, etc., and send them to the vehicle system or / and the user's smart device APP via Bluetooth module.

[0038] Finally, the controller can generate scent journeys to share with other users, increasing connections between them. Attached Figure Description

[0039] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. The elements or parts in the drawings are not necessarily drawn to scale. Obviously, the drawings described below are some embodiments of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any creative effort.

[0040] Figure 1 This is a schematic diagram of the functional modules of an in-vehicle fragrance device according to an example embodiment of the present invention;

[0041] Figure 2 This is a schematic diagram of the functional modules of the control system of an in-vehicle fragrance device according to an example embodiment of the present invention;

[0042] Figure 3 This is a flowchart of a control method for an in-vehicle fragrance device according to an example embodiment of the present invention;

[0043] Figure 4 This is a schematic diagram illustrating the data interaction between the present invention and an in-vehicle system and / or a user's mobile terminal. Detailed Implementation

[0044] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0045] In this document, suffixes such as "module," "part," or "unit" used to denote elements are used only for the purpose of illustrative purposes and have no specific meaning in themselves. Therefore, "module," "part," or "unit" may be used interchangeably.

[0046] In this document, the terms "upper," "lower," "inner," "outer," "front," "rear," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the present invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0047] In this document, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0048] In this document, "and / or" includes any and all combinations of one or more of the listed related items.

[0049] In this article, "multiple" means two or more, that is, it includes two, three, four, five, etc.

[0050] In this article, "odor characteristics" refers to the smells of local specialties or scenery that represent the unique features of a scenic spot or are associated with it. For example, the odor characteristic of a cherry blossom garden is cherry blossoms; the odor characteristic of Fuling is the smell of pickled mustard tuber. Specifically, this can be obtained from the internet using web scraping techniques. Alternatively, an odor characteristic database can be pre-built to store the odor characteristics of each scenic spot and their pre-labeled features.

[0051] To create a deeper connection between in-car fragrance devices and the vehicle's environment and tourist attractions, this aims to enrich the user experience and provide a low-cost promotional tool for tourism. Figure 1 As shown, the present invention provides an independently connectable car fragrance device, specifically comprising:

[0052] The multi-fragrance storage device is equipped with several storage compartments for storing fragrance raw materials of different fragrance types; this allows the system to select one fragrance raw material for atomization and spraying as needed, thereby releasing the corresponding fragrance.

[0053] The atomizing nozzle is used to atomize and spray fragrance raw materials in the multi-fragrance storage device to release fragrance; preferably, the atomizing nozzle uses high-pressure gas mixed with fragrance raw materials to produce fine fragrance atomized particles, which effectively disperses the fragrance in the vehicle interior; specifically, it is connected to each storage compartment through multiple pipelines, and each storage compartment is equipped with an electronic one-way valve on its corresponding pipeline, so that the controller can control the opening and closing of the electronic directional valve according to actual needs, thereby realizing the switching of different fragrances;

[0054] A wireless communication module for communicating wirelessly with the vehicle navigation device;

[0055] The image acquisition module is used to acquire image data of the driver in real time;

[0056] The audio playback module is used to play introductions to tourist attractions.

[0057] The controller is used to trigger the in-vehicle navigation system to search for attractions related to the current location of the vehicle, and then, based on the attractions fed back by the in-vehicle navigation system, to control the multi-fragrance memory to call up the corresponding type of fragrance raw materials and spray them through the atomizing nozzle, and to trigger the voice playback module to play voice introductions of the attractions.

[0058] In some embodiments, the controller includes:

[0059] The first control module is used to obtain the trip stage identified by the vehicle navigation device through the wireless communication module. If the trip has started, it controls the release of a pre-set first fragrance and triggers the image acquisition module to collect the driver's image data in real time from the origin to the destination for emotion recognition. When the driver's emotion is identified as anger, it controls the switching of the first fragrance to a second fragrance that can soothe the emotion.

[0060] The second control module is used to trigger the vehicle navigation device to search for nearby attractions based on the vehicle's current location information when the trip stage obtained through the wireless communication module is a rest stop, and to control the release of a third fragrance matched according to the smell characteristics of the attraction, and to trigger the voice playback module to play the obtained attraction introduction; and when the vehicle navigation device recognizes that the vehicle has started again from the current location, it controls the switching of the third fragrance to the first fragrance.

[0061] The third control module is used to trigger the vehicle navigation device to find attractions near the destination when the trip stage obtained through the wireless communication module is that the destination is about to be reached, and to control the release of the fourth fragrance matched according to the smell characteristics of the attraction, and to trigger the voice playback module to play the obtained introduction of the attraction.

[0062] The fourth control module is used to perform emotion recognition and driving status recognition based on the image data of the driver collected in real time by the image acquisition module when the trip stage obtained by the wireless communication module is the return trip. When the driver's emotion is detected as irritable, the module controls the release of a fifth fragrance that can calm emotions; or, when the driver's driving status is detected as fatigued, the module controls the release of a sixth fragrance that can invigorate the spirit.

[0063] In some embodiments, the second control module is further configured to determine whether a scenic spot is an odor-type scenic spot. If it is an odor-type scenic spot, the module acquires the odor characteristics of the scenic spot and determines whether there is a fragrance matching the odor characteristics in the in-vehicle fragrance device. If there is, the found fragrance is identified as the third fragrance; otherwise, the module prompts that there is no fragrance with the corresponding scent and controls the voice playback module to play the acquired scenic spot introduction; if it is not an odor-type scenic spot, the module controls the voice playback module to play the acquired scenic spot introduction. In this embodiment, an odor-type scenic spot refers to a scenic spot that is associated with an odor. For example, the iconic scenery or iconic features of the scenic spot have a scent. For example, when a scenic spot is a cherry blossom garden, the cherry blossom scent is the fragrance associated with the scenic spot - cherry blossom garden, and its corresponding scent is floral. As another example, if the scenic spot is a strawberry picking garden, the strawberry scent is the fragrance associated with the scenic spot - strawberry picking garden, and its corresponding scent is fruity. Typically, one can determine whether a scenic spot is scent-based based on its name or description, and further identify its corresponding fragrance type, thus allowing the corresponding fragrance to be directly selected from the car's air freshener.

[0064] In other embodiments, a GPS module may also be built into the in-vehicle fragrance device to achieve the functions of the aforementioned in-vehicle navigation system. The GPS module is equipped with an electronic map, which can obtain the vehicle's current geographical location in real time, as well as information such as road congestion and accident locations.

[0065] In other embodiments, the above functions can also be implemented by a navigation module (such as a navigation APP) installed in the user's mobile terminal.

[0066] By pushing scents of nearby attractions to users during rest stops, users can discover attractions they might not have known about or chosen before, thus providing a low-cost promotional measure for those attractions and helping to increase visitor traffic.

[0067] Of course, in other embodiments, the journey will pass through various terrains and cultural landscapes. Therefore, in addition to pushing the fragrance of scenic spots during rest stops, various scenic spots along the way can also be recommended. In this invention, the controller searches the Internet for scenic spots and products related to the location based on the GPS feedback. For example, if the specialty of a certain place is oranges, the controller will control the multi-fragrance memory to call up fruity fragrance raw materials, such as orange scent, and then spray them through the atomizing nozzle to fill the car with the scent of oranges, giving the occupants a feeling of being there (for example, controlling the electronic one-way valve of the storage compartment containing orange scent to open, thereby releasing the orange scent). As another example, if a certain place is a cherry blossom viewing spot, when the vehicle stops for a rest stop near the place, this invention can emit the corresponding cherry blossom scent, so that even in the closed car or outside the flowering season, one can still experience the scent of the real scene.

[0068] This invention utilizes the real-time geographic location of a vehicle to deeply analyze information related to attractions and local products, and then distributes the corresponding aroma based on this information. Compared to existing technologies that directly link aroma to vehicle speed, weather, road conditions, etc., the aroma distribution of this invention has a deeper connection, providing users with a more sophisticated experience.

[0069] In addition, the present invention also includes:

[0070] The clock is used to obtain the current time, date, and corresponding time period, season, and solar term; the controller controls the multi-fragrance memory to call up the corresponding type of fragrance raw materials and spray them through the atomizing nozzle according to the time period, season, solar term, and the produce of the vehicle at its current location during this time period.

[0071] The clock displays the current time, date, and corresponding time period (morning, noon, evening), season (spring, summer, autumn, winter), and solar terms (spring equinox, autumn equinox, etc.). For example, at the winter solstice, it can release a warm fragrance such as cinnamon or pine.

[0072] In this invention, time information and geographical location information can be combined. For example, if a certain fruit is abundant in a certain place during a certain season, the aroma of the fruit can be released.

[0073] Furthermore, if the in-car fragrance device stores multiple scents for a particular fragrance family, it can automatically match a scent with the same or similar fragrance family based on the olfactory characteristics of a tourist attraction. For example, if it stores orange and strawberry scents, and a tourist attraction is famous for its oranges, its olfactory characteristic is orange, then the orange scent can be automatically matched and released. Of course, if no match is found, or if the fragrance family only has one scent, then the default scent will be played directly.

[0074] The environmental sensing module collects environmental data; the controller can then use the multi-fragrance memory to retrieve corresponding fragrance ingredients and atomize them using the spray nozzles based on this data. For example, when the current nighttime driving status is identified based on environmental data, the controller can release the appropriate fragrance.

[0075] Furthermore, the vehicle's interior temperature and humidity can be detected through the environmental sensing module. If the temperature and humidity are high, a refreshing scent such as mint can be released.

[0076] Furthermore, it may also include: a voice recognition module for recognizing user voice; the controller parses the user voice into control commands, and controls the multi-fragrance memory to call up the corresponding type of fragrance raw materials for atomization spraying using the atomizing nozzle according to the control commands; or / and, adjusts the opening degree of the atomizing nozzle according to the control commands.

[0077] To enhance driving safety and ease of use, this invention uses a voice recognition module to recognize the driver's voice commands, thereby adjusting the aroma and concentration without the need for button or touch adjustments, thus avoiding driver distraction.

[0078] In some embodiments, the in-vehicle fragrance device may have a built-in camera as the aforementioned image acquisition device, or it may directly use the image acquisition device on the vehicle to acquire the driver's image data, including facial expressions and eye movements; the controller identifies the driver's fatigue state based on the image data, such as facial expressions and eye movements, and controls the multi-fragrance memory to call up the corresponding type of fragrance raw materials for atomization spraying using the atomizing nozzle.

[0079] For example, if the GPS module detects congestion on the road, the controller can recognize the driver's anger through facial expression recognition and automatically release soothing scents such as mint. Or, if the GPS module detects traffic congestion after exiting the highway, the system can recognize the driver's extremely poor emotional state and automatically release soothing scents such as flowers.

[0080] Of course, facial expression recognition can also be used independently of the GPS module, distributing fragrances based solely on the driver's emotional changes.

[0081] In some embodiments, the wireless communication module described above is a Bluetooth module, used to connect to the vehicle infotainment system or / and the user's smart device, enabling the user to control the in-vehicle electronic air freshener using an APP on the vehicle infotainment system or / and the smart device; the APP can set driving habits and fragrance preferences.

[0082] like Figure 2 , Figure 3 As shown, for ease of setup, this invention can be controlled via an app on a vehicle infotainment system or smart device. Users fill in their personal information in the application, including driving habits and fragrance preferences, selecting or customizing fragrance schemes, and setting parameters such as fragrance intensity and type. Additionally, intelligent functions can be configured, such as emotion recognition and environmental adaptation settings.

[0083] The controller queries information related to the geographical location based on the GPS feedback, including introductions to attractions, local customs, historical anecdotes, major news, etc., and sends it to the vehicle's infotainment system or / and the user's smart device's APP via Bluetooth module.

[0084] Additionally, the controller can generate a scent journey, including the route and the fragrances used for each segment of the journey, and send it via Bluetooth to the vehicle's infotainment system and / or the user's smart device app for sharing with other users. Upon arrival home, the system automatically generates the scent journey from the destination and pushes relevant scent history and sharing information. By viewing friends' scent sharing, users can discover they visited the same places that day, generating more conversations through scents and learning about the local culture and history.

[0085] In addition, the present invention also provides a control method for an in-vehicle fragrance device, which is applied to the above-mentioned in-vehicle fragrance device.

[0086] See Figure 3 Here is a flowchart of the control method for the in-vehicle fragrance device in this embodiment. Specifically, the control method includes the following steps:

[0087] S101, the navigation module identifies the current stage of the vehicle's journey; if it is the start of the journey, proceed to step S103; if it is a rest stop, proceed to step S105; if it is about to reach the destination, proceed to step S107; if it is the return journey, proceed to step S109.

[0088] In some embodiments, existing in-vehicle navigation systems or navigation modules in user mobile terminals can determine the current stage of the journey based on the vehicle's location and driving conditions. Specifically, this includes: the start of the journey (e.g., the vehicle has just departed from the origin), a rest stop (e.g., stopping for a rest or entering a service station), approaching the destination (e.g., the distance to the destination is less than a preset distance), and the return journey (i.e., the process of returning from the destination to the origin).

[0089] S103 controls the in-vehicle fragrance device to release a pre-set first fragrance and triggers the image acquisition module to collect image data of the driver during the journey from the origin to the destination in real time for emotion recognition. When the driver's emotion is recognized as anger, a second fragrance that can soothe the emotion is released.

[0090] In some embodiments, before releasing the first aroma, the solar term type of the day is obtained and identified, and the aroma type preset for the corresponding solar term type is matched from the database according to the solar term type of the day; it is determined whether there is an aroma corresponding to the solar term type (such as a preferred aroma set by the user for the solar term in advance). If there is, the corresponding aroma is released; if not, the preset first aroma (such as the system default aroma) is released.

[0091] S105, the navigation module obtains the current location information of the vehicle, searches for nearby attractions based on the location information, releases a third fragrance matched according to the smell characteristics of the attractions, and plays the obtained introduction of the attractions; and when the navigation module recognizes that the vehicle is starting again, the third fragrance is switched to the first fragrance.

[0092] In some embodiments, the step of matching a third fragrance to a scenic spot specifically includes the following steps: determining whether the scenic spot is an odor-type scenic spot; if it is an odor-type scenic spot, obtaining its odor characteristics (i.e., as mentioned above, the odor associated with the scenic spot), and determining whether there is a matching fragrance in the in-vehicle fragrance device; if so, identifying the found fragrance as the third fragrance; otherwise, indicating that there is no corresponding fragrance, obtaining and playing the corresponding scenic spot introduction; if it is not a scenic spot, obtaining and playing the corresponding scenic spot introduction.

[0093] In some embodiments, when taking a break or restarting, if the user changes their original destination to the attraction corresponding to the third fragrance (specifically, the navigation module can determine if the destination has been changed to a designated attraction), the third fragrance continues to be released; otherwise, the third fragrance is switched back to the first fragrance.

[0094] S107, the navigation module finds attractions near the destination, then releases the fourth fragrance matched according to the smell characteristics of the attraction, and plays the obtained attraction introduction.

[0095] In some embodiments, the in-vehicle fragrance device stores 11 fragrance notes: citrus, green, aquatic, fougère, leather, chypre, woody, oriental, gourmand, floral, and fruity (this classification is currently the most widely accepted and prevalent in the art). Once the olfactory characteristics of a scenic spot are obtained (e.g., its iconic landmarks or specialties can be obtained from the name and description of the scenic spot, thus obtaining its corresponding olfactory characteristics), the corresponding fragrance note can be matched based on those olfactory characteristics.

[0096] S109 collects driver image data in real time through the image acquisition module and performs emotion recognition. When the driver's emotion is detected as irritability, it releases a fifth fragrance that can calm emotions; or, when the driver is detected as fatigued, it releases a sixth fragrance that can invigorate the spirit.

[0097] In other embodiments, during the return trip, environmental information can be collected through the vehicle-mounted sensing module to determine whether it is nighttime driving. If so, a preset preferred fragrance is released.

[0098] In some embodiments, the above-described travel phases further include: approaching the origin and the end of the journey; correspondingly, the above-described control method further includes the steps of:

[0099] S111: When approaching the starting point, the driver's image data is collected in real time through the image acquisition module, and emotion recognition is performed. When the driver's emotion is detected to be excitement or agitation, a fifth fragrance that can stabilize emotions is released.

[0100] S113, if it is the end of the journey, generate an odor journey. The odor journey includes the entire route from the origin to the destination, as well as the fragrances released at each stage of the journey.

[0101] The following example uses a short trip on the winter solstice, with the destination being a mountain park near the city. The scenario is divided into four parts: before departure, en route, after arrival, return trip, and after returning home. Specifically, this method includes:

[0102] At the start of the process, the corresponding aroma is released according to the solar term. Specifically, when the controller recognizes that the day is the winter solstice, it releases a warm aroma such as cinnamon or pine (i.e., the first aroma of the woody fragrance).

[0103] During the journey, based on the vehicle's current geographical location, search for attractions and local products related to that location, and release corresponding fragrances based on those attractions and products;

[0104] For example, at rest stops along the way, the system can search for attractions related to the current location of the vehicle and release matching fragrances based on the smell characteristics of the attractions; or, if it recognizes that other people in the area have shared orange-related scents (such as on social media or online), the system can combine information to find that the area is famous for growing oranges, and at the same time push relevant scents, push related stories or history to the mobile phone interface.

[0105] If the system detects that the driver has an angry expression during the trip, it releases a soothing fragrance. For example, if there is traffic congestion, the driver's mood will usually become angry. Therefore, facial expression recognition can detect the driver's anger and automatically release a soothing scent such as mint.

[0106] If the system detects that the driver is irritable during the trip, it releases fragrances that can calm their emotions; for example, if the driver encounters a traffic jam after exiting the highway, the system will detect that the driver's emotional performance is extremely poor and automatically release floral or other soothing scents.

[0107] If the system detects that the driver is tired during the return journey, it releases an invigorating fragrance. When the driver is tired from a day's travel and gradually becomes drowsy, the system detects the driver's fatigue and automatically releases an invigorating scent such as citrus or mint.

[0108] On the return trip, when the vehicle is driving at night, it releases a preset preferred fragrance; when passengers are sleeping at night, the system releases a preferred fragrance set by the driver in advance to create a warm and inviting atmosphere, allowing them to enjoy their holiday night.

[0109] After the trip, a scent journey is generated, which includes the route and the scents used for each segment of the journey. Upon arriving home, the system automatically generates the scent journey from the trip and pushes relevant scent history and sharing information. By viewing friends' scent sharing, users can discover that they went to the same place that day, generating more conversations because of the scents, and also learning about the local culture and history of the city through the scents.

[0110] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Unless otherwise specified, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0111] The embodiments of the present invention have been described above with reference to the accompanying drawings. However, the present invention is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of the present invention without departing from the spirit and scope of the claims. All of these forms are within the protection scope of the present invention.

Claims

1. A control method for a car fragrance device, characterized in that, Including the following steps: The navigation module identifies the current stage of the vehicle's journey; the journey stages include: journey start, journey in progress, rest stop, approaching destination, and return journey. If the trip has started, the in-vehicle fragrance device is controlled to release a pre-set first fragrance and triggers the image acquisition module to collect image data of the driver during the trip from the origin to the destination in real time for emotion recognition. When the driver's emotion is detected as anger, a second fragrance that can soothe the emotion is released. If it is a rest stop, the navigation module is triggered to search for nearby attractions based on the vehicle's current location, then releases a third fragrance matched with the scent characteristics of the attraction, and plays the obtained attraction introduction; and when the navigation module recognizes that the vehicle is starting again, the third fragrance is switched to the first fragrance. If the destination is about to be reached, the navigation module will locate attractions near the destination, release a fourth fragrance matched with the odor characteristics of the attractions, and play the obtained introduction to the attractions. If the driver is on the return trip, the image acquisition module will collect the driver's image data in real time and perform emotion recognition and driving status recognition. When the driver's emotion is detected as agitated, the fifth fragrance that can calm emotions will be released; or when the driver is detected as fatigued, the sixth fragrance that can invigorate the spirit will be released.

2. The control method for a car-mounted fragrance device according to claim 1, characterized in that... The steps for matching a third aroma to the local specialty include: Determine whether the attraction is an odor-type attraction. If it is, obtain the odor characteristics of the attraction and determine whether there is a fragrance that matches the odor characteristics. If there is, identify the found fragrance as the third fragrance. Otherwise, indicate that there is no corresponding fragrance type, obtain and play the corresponding attraction introduction. If it is not a scent-based attraction, obtain and play the corresponding attraction introduction.

3. The control method for a car-mounted fragrance device according to claim 1, characterized in that, The step of switching the third fragrance to the first fragrance specifically includes the following steps: determining whether the destination has been switched to the attraction corresponding to the third fragrance through the navigation module; if so, continuing to release the third fragrance; if not, switching the third fragrance to the first fragrance.

4. A control method for a car-mounted fragrance device according to any one of claims 1 to 3, characterized in that, The journey phase also includes approaching the origin. Accordingly, the control method further includes the step of: if approaching the origin, acquiring the driver's image data in real time through the image acquisition module and performing emotion recognition, and when the driver's emotion is identified as excitement or agitation, releasing a fifth fragrance that can stabilize the emotion.

5. The control method for a car-mounted fragrance device according to claim 1, characterized in that, The journey phase also includes the end of the journey. Accordingly, the control method further includes the step of: if the journey is over, generating an odor journey, the odor journey including the route of the entire journey from the origin to the destination, and the fragrances released at each stage of the journey.

6. The control method for a car-mounted fragrance device according to claim 1, characterized in that, The step of releasing a pre-set first fragrance specifically includes the following steps: acquiring and identifying the solar term type of the day, and matching the pre-set fragrance for the corresponding solar term type from the database according to the solar term type of the day; determining whether there is a fragrance corresponding to the solar term type; if so, releasing the corresponding fragrance; if not, releasing the pre-set first fragrance.

7. The control method for a car-mounted fragrance device according to claim 6, characterized in that, It also includes the following steps: collecting environmental information through the vehicle-mounted sensing module, and determining whether it is currently nighttime driving based on the environmental information; if so, releasing a preset preferred fragrance.

8. A control device for a car fragrance device, characterized in that, include: The wireless communication module is used for data communication with the navigation module in the vehicle navigation system or the user's mobile terminal; The first control module is used to control the in-vehicle fragrance device to release a pre-set first fragrance when the in-vehicle navigation system / the navigation module recognizes the current stage of the journey as the start of the journey; It also triggers the image acquisition module to collect image data of the driver during the journey from the origin to the destination in real time, and performs emotion recognition based on the collected image data. When the driver's emotion is identified as anger, it controls the in-vehicle fragrance device to release a second fragrance that can soothe the emotion. The trip stages include: trip start, trip in progress, rest stop, approaching the destination, and return trip; The second control module is used to, when the in-vehicle navigation system / the user terminal recognizes that the current stage of the journey is a rest stop, trigger the in-vehicle navigation system or the navigation module to search for nearby attractions based on the current location of the vehicle, then control the in-vehicle fragrance device to release a third fragrance matched according to the odor characteristics of the attraction, and trigger the voice playback module to play the obtained attraction introduction; and when the in-vehicle navigation system / the navigation module recognizes that the vehicle is starting again, control the in-vehicle fragrance device to switch the third fragrance to the first fragrance; The third control module is used to, when the vehicle navigation system / the navigation module recognizes that the current travel stage is about to reach the destination, trigger the vehicle navigation system / the navigation module to find attractions near the destination, then control the vehicle fragrance device to release a fourth fragrance matched according to the smell characteristics of the attraction, and trigger the voice playback module to play the obtained attraction introduction; The fourth control module is used to, when the vehicle navigation system / the navigation module identifies the current trip stage as a return trip, perform emotion recognition and driving status recognition based on the image data of the driver collected in real time by the image acquisition module, and when the driver's emotion is identified as irritable, control the vehicle fragrance device to release a fifth fragrance that can stabilize emotions; or, when the driver is identified as fatigued, control the vehicle fragrance device to release a sixth fragrance that can invigorate the spirit.

9. The control device for a car fragrance device according to claim 8, characterized in that, The second control module is also used to determine whether the attraction is an odor-type attraction. If it is an odor-type attraction, it acquires the odor characteristics of the odor-type attraction and determines whether the in-vehicle fragrance device stores an odor that matches the odor characteristics of the attraction. If so, the found fragrance is identified as the third fragrance; otherwise, it prompts that there is no corresponding fragrance and controls the voice playback module to play the acquired attraction introduction; if it is not an odor-type attraction, it controls the voice playback module to play the acquired attraction introduction.

10. A computer-readable storage medium, characterized in that, The storage medium stores a computer program, which, when executed, can implement the control method of the in-vehicle fragrance device according to any one of claims 1 to 7.

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