CN213048427U

CN213048427U - Hot airflow fragrance-emitting device

Info

Publication number: CN213048427U
Application number: CN202021241773.6U
Authority: CN
Inventors: 苏醒
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-04-27
Anticipated expiration: 2030-06-30

Abstract

The utility model relates to a hot air flow fragrance-emitting device, which comprises a shell with an installation cavity, wherein the shell is provided with an air inlet part communicated with the installation cavity; the top of the shell is provided with a placing table for placing a fragrant tool, and the placing surface of the placing table is provided with an air outlet part communicated with the mounting cavity; a circuit board and a fan assembly which is electrically connected with the circuit board and of which the wind power output end faces the placing table are arranged in the mounting cavity; and a heating component electrically connected with the circuit board is also arranged in the mounting cavity at a position corresponding to the placing table. The utility model provides a fragrant device of hot gas flow perfume diffusing can effectively volatilize the fragrant smell of fragrant utensil and can be fast, stable and lasting giving off fragrant utensil fragrance, can promote fragrant utensil volatilizing and give off the effect to can assist promotion user's use travelling comfort.

Description

Hot airflow fragrance-emitting device

Technical Field

The utility model relates to an electron stacte product technical field, concretely relates to hot gas flow fragrance diffusing device.

Background

In the present day, where the environmental protection is more and more closely concerned, as to how to improve the air quality and quality, related devices and living goods such as air fresheners, sprayers, air fresheners, sachets and the like have been developed, such as sachets (incense) which are often placed in homes, offices or cars, and the sachets release fragrance to improve the air quality. However, the applicant found that the fragrance of the conventional incense set (such as sachet and incense wood) is completely emitted at normal temperature (the fragrance of the incense set can be effectively emitted at a certain high temperature), thereby reducing the use comfort of the user.

To above-mentioned problem, the fragrant device that looses has appeared heating in the current scheme, and the fragrant device that looses of common heating includes that open fire burns fragrant device and electron high temperature looses fragrant device. For the open fire incense burning device, air pollution can be caused, and PM2.5 is easy to generate; the electronic high-temperature fragrance emitting device is generally high in working stability, generally at 200-250 ℃, and has serious power consumption and potential safety hazards. In addition, chinese patent with publication number CN207614088U also discloses a waist support sachet with heating function, it includes the package body, the first rubber band of left side fixedly connected with of package body, the one end fixedly connected with buckle of package body is kept away from to first rubber band, the right side fixedly connected with second rubber band of package body, the positive fixed surface of package body is connected with the display screen, the package body is including ventilative layer, the bottom on ventilative layer is provided with the zone of heating, the bottom of zone of heating is provided with heavy yoga fragrant layer, the bottom on heavy yoga fragrant layer is provided with the cortex, the top of cortex is inlayed and is had the circuit board.

The fragrant package of waist support in the above-mentioned current scheme also is a fragrant device that looses of heating, and it generates heat through circuit board control heating element (zone of heating) to heat fragrant utensil, and avoided the problem that the fragrant smell of fragrant utensil that leads to because of the temperature is low excessively to volatilize difficult to through the mode of heating fragrant utensil, promoted user's use travelling comfort. However, in the practical use process, each heating and fragrance-dispersing device has the following problems: it makes fragrant utensil fragrant smell can effectively volatilize through the mode of heating fragrant utensil, but fragrant utensil volatilizees fragrant smell but is difficult to all around quick, stable giving off, and the mode of burning incense and electron high temperature fragrance dispersion all makes fragrant utensil fragrant smell volatilize very fast, is difficult to lasting fragrance dispersion, and then leads to user's use travelling comfort not good. Therefore, how to provide a fragrance dispersion device which can effectively volatilize the fragrance of the fragrance tool and can rapidly, stably and durably disperse the fragrance of the fragrance tool so as to improve the volatilization and dispersion effects of the fragrance tool and assist in improving the use comfort of a user is a problem which needs to be solved urgently.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide one kind can effectively volatilize fragrant utensil fragrant smell, and can with fragrant utensil fragrant smell quick, stable and lasting hot air current of giving off fragrant smell device that looses to can promote fragrant utensil fragrant smell volatilize and give off the effect, thereby can assist and promote user's use travelling comfort.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a hot airflow fragrance-emitting device comprises a shell with an installation cavity, wherein an air inlet part communicated with the installation cavity is arranged on the shell; the top of the shell is provided with a placing table for placing a fragrant tool, and the placing surface of the placing table is provided with an air outlet part communicated with the mounting cavity; a circuit board and a fan assembly which is electrically connected with the circuit board and of which the wind power output end faces the placing table are arranged in the mounting cavity; and a heating component electrically connected with the circuit board is also arranged in the mounting cavity at a position corresponding to the placing table.

In the actual use process, a fragrant tool (a fragrant bag or a fragrant wood) is placed on the placing table, and then the circuit board controls the heating assembly and the fan assembly to be electrified and started; at the moment, air outside the shell enters the installation cavity through the air inlet part, and is gathered into airflow by the fan assembly to blow towards the direction of the placing table; arrange and to carry out the direct heating in the heating element who places the platform position to the fragrant utensil for can assist fragrant volatilizing of utensil, and, heating element can also heat the air current of placing the platform position, makes the air current can become the hot gas flow with supplementary fragrant volatilizing of utensil and giving off. In the scheme, the volatilization and emission of the fragrance can be well assisted by heating the fragrance and blowing hot air to the fragrance, so that the volatilization and emission effects of the fragrance can be improved, and the use comfort of a user can be assisted to be improved; moreover, on the basis of assisting the fragrance volatilization of the fragrance, the hot air flow can further enable the fragrance of the fragrance to be quickly, stably and durably diffused towards the periphery (in the scheme, the temperature of the hot air is between 40 ℃ and 60 ℃, so that the lasting diffusion of the fragrance can be ensured on the premise of effectively assisting the fragrance diffusion, namely the fragrance loss cannot be too fast), the volatilization and diffusion effects of the fragrance can be improved, and the use comfort of a user is also improved; in addition, the portion of giving vent to anger and the portion of admitting air in this scheme can make the air form the circulating flow in casing, appearance, and this is favorable to assisting giving off of fragrant utensil fragrant smell better, can assist the use travelling comfort that promotes the user equally.

Therefore, the hot air flow fragrance diffusing device in the scheme can effectively volatilize fragrance of the fragrance tool and can rapidly and stably diffuse fragrance of the fragrance tool, volatilization and diffusion effects of fragrance tool fragrance can be improved, and use comfort of a user can be improved in an auxiliary mode.

Preferably, the housing is a rectangular box-shaped structure, and the housing includes a rectangular bottom plate for mounting the circuit board and the fan assembly, a peripheral side plate extending upward along the peripheral side edge of the bottom plate and formed by enclosure, and a top plate arranged in parallel with the bottom plate and fixedly connected with the peripheral side plate; and the space among the bottom plate, the peripheral side plate and the top plate forms an installation cavity.

In the actual use process, the circuit board and the fan assembly are arranged in the shell, so that the circuit board and the fan assembly are protected, and the working effect of the whole device can be ensured; moreover, the structure of the shell has the advantages of stable use and installation, and is favorable for assisting in improving the use comfort of a user.

Preferably, the air inlet portion includes an air inlet hole which is formed in the peripheral surface of the peripheral side plate and penetrates into the mounting cavity to communicate with the mounting cavity.

In the actual use process, air enters the shell through the air inlet hole, so that the air can circularly flow in the shell and outside the shell, which is favorable for better assisting the fragrance of the incense to be quickly, stably and durably emitted; and the number of the intake holes may be one or more.

Preferably, the top plate comprises a supporting table which extends along the peripheral side edge of the peripheral side plate towards the central axis direction of the bottom plate and is formed in a surrounding mode, and a placing table which is in downward concave transition along the inner side edge of the supporting table and extends towards the central axis direction of the bottom plate; one side of the placing table, which is relatively far away from the bottom plate, is a placing surface; the air outlet part comprises an air outlet hole which is arranged on the placing surface of the placing table and penetrates into the installation cavity to be communicated with the installation cavity.

In the actual use process, the placing table (in order to ensure the heat transfer and heat conduction efficiency, the placing table part can be made of heat-conducting metal materials) is sunken towards the direction of the mounting cavity relative to the supporting table, so that the supporting table can limit the incense when the incense is placed on the placing table, the incense is not easy to move on the placing table, the volatilization and emission effects of the incense are favorably ensured, and the use comfort of a user can be assisted to be improved; in addition, in the scheme, the air flow is blown to the incense tool through the air outlet hole, so that the air can circularly flow in the shell and outside the shell, and the quick, stable and lasting fragrance emission of the incense tool is favorably assisted; also, the number of the air outlet holes may be one or more.

Preferably, the heating assembly comprises a heating metal sheet which is arranged at the bottom of the placing table and electrically connected with the circuit board, and the heating metal sheet is provided with a ventilation through hole with a circulation direction facing to the direction of the placing table.

In the actual use process, the incense and the air flow can be well heated by heating the metal sheet, so that the volatilization and emission effects of the fragrance of the incense can be ensured; the ventilation through holes on the heating metal sheet are more beneficial to the rapid passing of airflow, so that the fragrance of the incense can be rapidly diffused to the periphery, and the use comfort of a user can be assisted to be improved; also, the number of the air-permeable through holes may be one or more.

Preferably, the hot air flow fragrance-emitting device further comprises an upper cover detachably connected with the top plate, and the bottom surface of the upper cover and the placing surface of the placing table can form a fragrance bag placing space for placing fragrance bags; the top surface of the upper cover is provided with an exhaust hole which is communicated with the sachet placing space towards the sachet placing space.

In the actual use process, when the used incense tool is an incense bag, the incense bag is placed on the placing table, and then the upper cover is installed on the top plate, namely, the upper cover and the placing surface form an incense bag placing space for placing the incense bag; on one hand, the sachet placement space is beneficial to keeping the heat of the heating assembly, so that the heat loss of the heating assembly is smaller and slower, the heating assembly is beneficial to better heating the sachet, and the volatilization effect of the perfume with fragrance can be further improved; moreover, the vent holes of the upper cover are favorable for better emitting hot air and the fragrance of the aromatic tool (sachet), and are favorable for improving the emitting effect of the fragrance of the aromatic tool, thereby being capable of assisting in improving the use comfort of a user; also, the number of the exhaust holes may be one or more.

Preferably, the top plate includes a supporting table extending and enclosing along the outer peripheral side edge of the peripheral side plate toward the central axis direction of the bottom plate, a recessed table extending and enclosing along the inner side edge of the supporting table and recessed downward toward the central axis direction of the bottom plate, and a placing table extending along the inner side edge of the recessed table and recessed downward toward the central axis direction of the bottom plate;

the upper cover comprises a rectangular cover plate with the cross section size corresponding to that of the top plate and a boss which is protruded downwards along the bottom of the cover plate and is matched with the concave table, so that the boss of the upper cover can be abutted against the concave table of the top plate when the upper cover is installed on the top plate.

In the in-service use process, the upper cover can be installed through boss detachable, be fixed in on the concave station of roof for the dismouting of upper cover is very convenient, and this is convenient for placing and changing of sachet, thereby is favorable to promoting user's use travelling comfort.

Preferably, the hot air flow fragrance-emitting device further comprises a balsamiferous wood which is arranged on the placing surface of the placing table and is used for absorbing essential oil; the incense wood is wholly columnar and is provided with an exhaust channel which extends along the axis of the incense wood and penetrates through the incense wood.

In the actual use process, the incense wood is placed on the placing table, then the essential oil is dripped on the incense wood, and the incense wood can emit fragrance after absorbing the essential oil. In the scheme, the heating assembly can directly heat the incense wood, so that the fragrance of the incense wood can be emitted; moreover, the fan assembly can blow hot air flow to the incense wood, so that the fragrance of the incense wood can be better volatilized and diffused; in addition, the exhaust passage on the incense wood enables hot air flow and fragrance to be better diffused all around, so that the use comfort of a user can be improved in an auxiliary mode.

Preferably, the heating assembly comprises a heating metal sheet which is arranged below the placing table at intervals and is electrically connected with the circuit board; a hot gas control assembly is arranged between the heating metal sheet and the placing table;

the hot gas control assembly comprises a partition plate capable of transversely partitioning the mounting cavity, and a ventilation channel vertically penetrating through the partition plate is arranged on the partition plate; a sliding groove with a vertical sliding direction is arranged at the position, corresponding to the ventilation channel, below the partition plate; a vertically arranged guide column is arranged at the position, opposite to the ventilation channel, on the placing table; the guide post is provided with a plunger, and the plunger comprises a plunger head part which is in sealing fit with the ventilation channel and a plunger sliding part which is sleeved on the guide post in a clearance way and the peripheral side part of which is in clearance sliding fit with the sliding chute; an elastic air bag is arranged in the sliding groove below the plunger sliding part and is kept in a retraction state at room temperature, so that the head of the plunger can be pressed down under the action of the self weight of the plunger to be in sealing fit with the air-permeable channel, and the elastic air bag can lift the plunger to slide upwards under the heated expansion state, so that the head of the plunger is separated from the sealing fit with the air-permeable channel; and the sliding groove is also provided with a sliding groove air hole for allowing air to enter the sliding groove.

In the actual use process, the perfume is under the action of airflow (namely normal-temperature airflow) in an unheated state, and can volatilize the perfume, but the volatilized and diffused perfume is not obvious at the moment, and a user can not feel intuitively, namely the diffused perfume does not play a role in purifying air at the moment. The heating component can form hot air flow with enough temperature only through a heating process when heating air, namely the air flow which is just blown to the placing table and the incense appliance by the fan component is still normal temperature air flow (or air flow with insufficient temperature), but the hot air flow with enough temperature is not, at the moment, although the fragrance of the incense appliance volatilizes, the fragrance of the incense appliance does not play a role in purifying air, so that the incense appliance does useless loss, and the volatilization and emission effects of the fragrance of the incense appliance are poor.

Aiming at the problems, the heating assembly and the placing table are arranged at intervals, the hot air control assembly is arranged between the heating assembly (heating metal sheet) and the placing table, when the air in the installation cavity is in a low-temperature or normal-temperature state, the air in the elastic air bag is not heated, the plunger presses the elastic air bag downwards under the action of gravity, and the head of the plunger is in sealing fit with the air-permeable passage (namely, the air-permeable passage can be sealed); and when heating the air of sheetmetal in to the installation cavity gradually and heating, steam can get into in the spout through the spout bleeder vent, make the air in the elasticity gasbag also can be heated the inflation gradually, elasticity gasbag inflation jacking plunger this moment, make the plunger upwards slide (the spout is used for fixed elasticity gasbag, and for the plunger direction) along the guide post, and then make the plunger head break away from with ventilation channel's sealed cooperation, the hot gas flow in the installation cavity can place the platform through ventilation channel flow direction this moment, with can assist fragrant utensil volatilizing and giving off. In this scheme, when the air in the installation cavity reached the uniform temperature (this scheme sets up to 40 ~60 ℃), the plunger can be backed up to the elasticity gasbag, and the hot gas flow just can act on fragrant utensil this moment, that is to say, when the temperature of hot gas flow did not reach suitable temperature, the air current can not act on fragrant utensil, just can not cause the "useless" loss of fragrant utensil yet to can assist and promote fragrant volatilizing of utensil and give off the effect.

In addition, the plunger sliding part is sleeved with the guide column in the scheme and is in clearance sliding fit with the sliding chute, so that the friction force between the plunger sliding part and the guide column and the sliding chute can be reduced as much as possible, the problem of unsmooth sliding of the plunger due to long-term use of scaling (substances volatilized by the incense can scale on the plunger) can be avoided, the smoothness of upward sliding and downward sliding of the plunger can be further improved, the 'useless' loss of the incense can be better avoided, and the fragrance emission of the incense can be assisted; in addition, the plunger in this scheme should select for use metal material or have the wooden material and the plastics material of great density to make the plunger can rely on self weight to push down the elasticity gasbag when the elasticity gasbag is not heated the thermal expansion and realize the sealed to ventilation channel.

Preferably, the plunger head is integrally funnel-shaped, and the outer diameter of the plunger head is larger than the inner diameter of the ventilation channel, so that the peripheral side part of the plunger head can be in close contact with the upper edge of the ventilation channel when the plunger head is in contact with the ventilation channel.

In the in-service use, when the air in the installation cavity is in low temperature or normal atmospheric temperature state, the air in the elasticity gasbag is not heated, the plunger pushes down the elasticity gasbag under the effect of gravity this moment, the sealed butt of plunger head is on ventilation channel (also can set up the sealing washer according to the relevant position of actual demand at plunger head periphery lateral part), the realization is to ventilation channel's shutoff, can promote ventilation channel's shutoff effect, make the temperature not reach the air current of suitable temperature and can not act on fragrant utensil, also can not make "useless" loss of fragrant utensil, thereby can assist the fragrant volatilizing of utensil of promotion and give off the effect.

Drawings

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of a hot air-flow fragrance dispensing device according to a first embodiment;

FIG. 2 is a front sectional view of a hot air flow fragrance spreading device according to a first embodiment;

FIG. 3 is a schematic view of the hot air flow fragrance-dispensing device for placing the sachet according to the second embodiment;

FIG. 4 is a schematic view of the hot air flow fragrance-dispensing device for placing the sachet according to the second embodiment;

FIG. 5 is a front sectional view of the hot air flow fragrance spreading device for placing incense wood according to the third embodiment;

FIG. 6 is a front sectional view of another hot air flow fragrance emitting device of the fourth embodiment when no fragrance is emitted;

fig. 7 is a front sectional view of another hot airflow fragrance emitting device in the fourth embodiment.

Reference numerals in the drawings of the specification include: the device comprises a shell 1, a bottom plate 11, a peripheral side plate 12, a support platform 13, a concave platform 14, a placing platform 2, a circuit board 31, a fan assembly 32, a heating metal sheet 33, an air through hole 34, an air inlet hole 41, an air outlet hole 42, an upper cover 5, an air outlet hole 51, a incense wood 6, an air outlet channel 61, a partition plate 7, an air inlet channel 71, a sliding chute 81, a guide column 82, an elastic air bag 83, a plunger head 91 and a plunger sliding part 92.

Detailed Description

The following is further detailed by the specific embodiments:

the first embodiment is as follows:

the embodiment discloses a hot air flow fragrance-emitting device.

As shown in fig. 1 and 2: a hot airflow fragrance-emitting device comprises a shell with an installation cavity, wherein the shell is provided with an air inlet part communicated with the installation cavity; the top of the shell is provided with a placing table for placing the incense tool, and the placing surface of the placing table is provided with an air outlet part communicated with the mounting cavity; a circuit board and a fan assembly which is electrically connected with the circuit board and of which the wind power output end faces the placing table are arranged in the mounting cavity; and a heating component electrically connected with the circuit board is also arranged at the position corresponding to the placing table in the mounting cavity.

In the actual use process, a fragrant tool (a fragrant bag or a fragrant wood) is placed on the placing table, and then the circuit board controls the heating assembly and the fan assembly to be electrified and started; at the moment, air outside the shell enters the installation cavity through the air inlet part, and is gathered into airflow by the fan assembly to blow towards the direction of the placing table; arrange and to carry out the direct heating in the heating element who places the platform position to the fragrant utensil for can assist fragrant volatilizing of utensil, and, heating element can also heat the air current of placing the platform position, makes the air current can become the hot gas flow with supplementary fragrant volatilizing of utensil and giving off. In this embodiment, the circuit board may be a microprocessor that is well-established in the art; the fan component is an existing small fan; the heating component is a heating wire or a heating metal sheet which is mature in the prior art; wherein, a temperature sensor can be arranged in the shell (in the mounting cavity), the circuit board collects the temperature data of the position in the mounting cavity or the placing table through the temperature sensor, and the working states of the fan assembly and the heating assembly are adjusted through the temperature data, so that the hot air flow fragrance-dispersing device can be suitable for the use environments with various requirements and temperature conditions; in practical use, the circuit board can be connected with a mobile terminal of a user in a wireless communication mode (a smart phone) in an integrated wireless communication device mode, so that the user can send a control instruction on the mobile terminal, wireless control of the hot air flow fragrance emitting device is achieved, and user experience of products is enhanced.

In the embodiment, the volatilization and emission of the fragrance can be well assisted by heating the fragrance and blowing hot air to the fragrance, so that the volatilization and emission effects of the fragrance can be improved, and the use comfort of a user can be assisted to be improved; moreover, on the basis of assisting the fragrance volatilization of the fragrance, the hot air flow can further enable the fragrance of the fragrance to be quickly, stably and durably diffused towards the periphery (in the embodiment, the temperature of the hot air is between 40 ℃ and 60 ℃, so that the lasting diffusion of the fragrance can be ensured on the premise of effectively assisting the fragrance diffusion, namely the loss of the fragrance cannot be too fast), the volatilization and diffusion effects of the fragrance can be improved, and the use comfort of a user is also improved; in addition, the air inlet part and the air outlet part in the embodiment can enable air to flow circularly inside and outside the shell, so that the fragrance emission of the fragrant tool can be better assisted, and the use comfort of a user can be also assisted and improved. Therefore, the hot air flow fragrance emission device in the embodiment can effectively volatilize the fragrance of the fragrance tool and can rapidly and stably emit the fragrance of the fragrance tool, the volatilization and emission effects of the fragrance tool can be improved, and the use comfort of a user can be assisted to be improved.

In the specific implementation process, the shell is of a rectangular box-shaped structure and comprises a rectangular bottom plate, a peripheral side plate and a top plate, wherein the rectangular bottom plate is used for mounting the circuit board and the fan assembly; the space between the bottom plate, the peripheral side plate and the top plate forms a mounting cavity.

In the specific implementation process, the air inlet part comprises an air inlet hole which is arranged on the peripheral side surface of the peripheral side plate and penetrates into the installation cavity to be communicated with the installation cavity.

In the specific implementation process, the top plate comprises a supporting table and a placing table, wherein the supporting table extends along the peripheral side edge of the peripheral side plate towards the central axis direction of the bottom plate and is formed in a surrounding mode, and the placing table is in downward concave transition along the inner side edge of the supporting table and extends towards the central axis direction of the bottom plate; one side of the placing table relatively far away from the bottom plate is a placing surface; the air outlet part comprises an air outlet hole which is arranged on the placing surface of the placing platform and is communicated with the installation cavity in the direction of the installation cavity.

In the actual use process, the placing table (in order to ensure the heat transfer and heat conduction efficiency, the placing table part can be made of heat-conducting metal materials) is sunken towards the direction of the mounting cavity relative to the supporting table, so that the supporting table can limit the incense when the incense is placed on the placing table, the incense is not easy to move on the placing table, the volatilization and emission effects of the incense are favorably ensured, and the use comfort of a user can be assisted to be improved; in addition, in the embodiment, the air flow is blown to the incense device through the air outlet, so that the air can circularly flow in the shell and outside the shell, and the quick, stable and lasting diffusion of the fragrance of the incense device is favorably assisted; also, the number of the air outlet holes may be one or more.

In the specific implementation process, the heating assembly comprises a heating metal sheet which is arranged at the bottom of the placing table and electrically connected with the circuit board, and a ventilation through hole with the circulation direction facing the direction of the placing table is formed in the heating metal sheet.

Example two:

the embodiment discloses a hot air flow fragrance-emitting device for placing a fragrance bag on the basis of the first embodiment.

As shown in fig. 3 and 4: the hot air flow fragrance-dispersing device in the embodiment also comprises an upper cover detachably connected with the top plate, and the bottom surface of the upper cover and the placing surface of the placing table can form a fragrance bag placing space for placing fragrance bags; the top surface of the upper cover is provided with an exhaust hole which is communicated with the sachet placing space and runs through the sachet placing space.

In the specific implementation process, the top plate comprises a supporting table, a concave table and a placing table, wherein the supporting table extends towards the central axis direction of the bottom plate along the peripheral side edge of the peripheral side plate and is formed in a surrounding mode, the concave table is formed in a surrounding mode and extends towards the central axis direction of the bottom plate along the inner side edge of the supporting table in a downward concave transition mode, and the placing table is formed in a downward concave transition mode and extends towards the central axis direction of the bottom plate along the inner side edge of the concave table;

the upper cover comprises a rectangular cover plate with the cross section size corresponding to that of the top plate and a boss which is protruded downwards along the bottom of the cover plate and is adaptive to the concave table, so that the boss of the upper cover can be abutted to the concave table of the top plate when the upper cover is installed on the top plate.

Example three:

the embodiment discloses a hot air flow fragrance-emitting device for placing incense on the basis of the first embodiment.

As shown in fig. 5: the heating assembly in the embodiment also comprises incense wood which is arranged on the placing surface of the placing table and is used for absorbing essential oil; the incense wood is wholly columnar and is provided with an exhaust channel which extends along the axis of the incense wood and penetrates through the incense wood.

In the actual use process, the incense wood is placed on the placing table, then the essential oil is dripped on the incense wood, and the incense wood can emit fragrance after absorbing the essential oil. In the embodiment, the heating component can directly heat the incense wood, which is beneficial to the diffusion of the fragrance of the incense wood; moreover, the fan assembly can blow hot air flow to the incense wood, so that the fragrance of the incense wood can be better volatilized and diffused; in addition, the exhaust passage on the incense wood enables hot air flow and fragrance to be better diffused all around, so that the use comfort of a user can be improved in an auxiliary mode.

Example four:

the present embodiment discloses another structure of a hot air flow fragrance emitting device based on the first embodiment.

As shown in fig. 6 and 7: the heating assembly in the embodiment comprises heating metal sheets which are arranged below the placing table at intervals and are electrically connected with the circuit board; a hot air control assembly is arranged between the heating metal sheet and the placing table;

the hot gas control assembly comprises a partition plate capable of transversely partitioning the installation cavity, and a ventilation channel vertically penetrating through the partition plate is arranged on the partition plate; a sliding chute with a vertical sliding direction is arranged at the position corresponding to the ventilation channel below the partition plate; a vertically arranged guide post is arranged at the position, which is opposite to the ventilation channel, on the placing table; the guide post is provided with a plunger, and the plunger comprises a plunger head part which is in sealing fit with the ventilation channel and a plunger sliding part which is sleeved on the guide post in a clearance way and the peripheral side part of which is in clearance sliding fit with the sliding chute; an elastic air bag is arranged in the sliding groove below the sliding part of the plunger, and the elastic air bag keeps a retraction state at room temperature, so that the head of the plunger can be pressed down under the self-weight action of the plunger to keep sealing fit with the ventilation channel, and the elastic air bag can lift the plunger to slide upwards under the heated expansion state, so that the head of the plunger is separated from the sealing fit with the ventilation channel; the sliding groove is also provided with a sliding groove air hole for allowing air to enter the sliding groove.

In order to solve the above problems, in this embodiment, the heating assembly and the placing table are arranged at an interval, and the hot air control assembly is arranged between the heating assembly (heating metal sheet) and the placing table, when the air in the installation cavity is in a low-temperature or normal-temperature state, the air in the elastic air bag is not heated, at this time, the plunger presses down the elastic air bag under the action of gravity, and the head of the plunger is in sealing fit with the air-permeable passage (i.e., the air-permeable passage can be blocked); and when heating the air of sheetmetal in to the installation cavity gradually and heating, steam can get into in the spout through the spout bleeder vent, make the air in the elasticity gasbag also can be heated the inflation gradually, elasticity gasbag inflation jacking plunger this moment, make the plunger upwards slide (the spout is used for fixed elasticity gasbag, and for the plunger direction) along the guide post, and then make the plunger head break away from with ventilation channel's sealed cooperation, the hot gas flow in the installation cavity can place the platform through ventilation channel flow direction this moment, with can assist fragrant utensil volatilizing and giving off. In this embodiment, when the air in the installation cavity reaches a certain temperature (40 ℃ -60 ℃ is set in this embodiment), the plunger piston can be pushed open by the elastic air bag, and the hot air flow can act on the incense device, that is to say, when the temperature of the hot air flow does not reach a proper temperature, the air flow can not act on the incense device, so that the useless loss of the incense device can not be caused, and the volatilization and emission effects of the incense can be improved in an auxiliary manner.

In addition, in the embodiment, the plunger sliding part is sleeved with the guide column in the clearance and is in clearance sliding fit with the chute, so that the friction force between the plunger sliding part and the guide column and the chute can be reduced as much as possible, and the problem of unsmooth sliding of the plunger due to long-term use of scaling (substances volatilized by the incense can scale on the plunger) can be avoided, further, the smoothness of upward sliding and downward sliding of the plunger can be improved, the 'useless' loss of the incense can be better avoided, and the emission of the aroma of the incense can be assisted; in addition, the plunger in this embodiment should select metal material or have the wooden material or the plastics material of great density for use to make the plunger can rely on self weight to push down the elasticity gasbag when the elasticity gasbag is not heated the inflation and realize the sealed to ventilative passageway.

In the specific implementation process, the plunger head is integrally of a funnel-shaped structure, and the outer diameter of the plunger head is larger than the inner diameter of the ventilation channel, so that the peripheral side part of the plunger head can be in airtight butt joint with the upper edge of the ventilation channel when the plunger head is in contact with the ventilation channel.

The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. A hot air flow fragrance-emitting device is characterized in that: the air inlet device comprises a shell with an installation cavity, wherein an air inlet part communicated with the installation cavity is arranged on the shell; the top of the shell is provided with a placing table for placing a fragrant tool, and the placing surface of the placing table is provided with an air outlet part communicated with the mounting cavity;

a circuit board and a fan assembly which is electrically connected with the circuit board and of which the wind power output end faces the placing table are arranged in the mounting cavity; and a heating component electrically connected with the circuit board is also arranged in the mounting cavity at a position corresponding to the placing table.

2. The hot gas stream fragrance emitting apparatus of claim 1, wherein: the shell is of a rectangular box-shaped structure and comprises a rectangular bottom plate for mounting a circuit board and a fan assembly, a peripheral side plate which extends upwards along the edge of the outer periphery of the bottom plate and is formed in a surrounding mode, and a top plate which is arranged in parallel with the bottom plate and is fixedly connected with the peripheral side plate; and the space among the bottom plate, the peripheral side plate and the top plate forms an installation cavity.

3. The hot gas stream fragrance emitting apparatus of claim 2, wherein: the air inlet portion comprises an air inlet hole which is formed in the peripheral side surface of the peripheral side plate and penetrates into the installation cavity to be communicated with the installation cavity.

4. The hot gas stream fragrance emitting apparatus of claim 2, wherein: the top plate comprises a supporting table and a placing table, wherein the supporting table extends and encloses along the peripheral side edge of the peripheral side plate towards the central axis direction of the bottom plate, the placing table is sunken and transited downwards along the inner side edge of the supporting table and extends towards the central axis direction of the bottom plate; one side of the placing table, which is relatively far away from the bottom plate, is a placing surface; the air outlet part comprises an air outlet hole which is arranged on the placing surface of the placing table and penetrates into the installation cavity to be communicated with the installation cavity.

5. The hot gas stream fragrance emitting apparatus of claim 4, wherein: the heating assembly comprises a heating metal sheet which is arranged at the bottom of the placing table and is electrically connected with the circuit board, and a ventilation through hole with a circulation direction facing the direction of the placing table is formed in the heating metal sheet.

6. The hot gas stream fragrance emitting apparatus of claim 2, wherein: the incense bag placing device comprises a top plate, a placing table and an incense bag placing space, and is characterized by further comprising an upper cover detachably connected with the top plate, wherein the bottom surface of the upper cover and the placing surface of the placing table can form an incense bag placing space for placing incense bags; the top surface of the upper cover is provided with an exhaust hole which is communicated with the sachet placing space towards the sachet placing space.

7. The hot gas stream fragrance emitting apparatus of claim 6, wherein: the top plate comprises a supporting table, a concave table and a placing table, wherein the supporting table is formed by extending towards the central axis direction of the bottom plate along the peripheral side edge of the peripheral side plate and enclosing, the concave table is formed by extending towards the central axis direction of the bottom plate along the inner side edge of the supporting table and enclosing, and the placing table is formed by extending towards the central axis direction of the bottom plate along the inner side edge of the concave table and indenting towards the lower side edge of the concave table;

8. The hot gas stream fragrance emitting apparatus of claim 1, wherein: the incense wood is arranged on the placing surface of the placing table and used for absorbing essential oil; the incense wood is wholly columnar and is provided with an exhaust channel which extends along the axis of the incense wood and penetrates through the incense wood.

9. The hot gas stream fragrance emitting apparatus of claim 1, wherein: the heating assembly comprises heating metal sheets which are arranged below the placing table at intervals and are electrically connected with the circuit board; a hot gas control assembly is arranged between the heating metal sheet and the placing table;

10. The hot gas stream fragrance emitting apparatus of claim 9, wherein: the whole funnel-shaped structure that is of plunger head, just the external diameter size of plunger head is greater than ventilation channel's internal diameter size for when plunger head and ventilation channel contact the periphery lateral part of plunger head can with ventilation channel's upper portion edge is airtight butt.