CN215062329U

CN215062329U - Heating device

Info

Publication number: CN215062329U
Application number: CN202120673547.3U
Authority: CN
Inventors: 张心予; 傅康; 孙德富; 王聪聪
Original assignee: Aupu Home Style Corp Ltd
Current assignee: Aupu Home Style Corp Ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-12-07
Anticipated expiration: 2031-04-01

Abstract

The utility model discloses a warmer, which solves the technical problem that the air outlet effect of the warmer in the prior art is not good, which leads to poor user experience, and the warmer comprises an air outlet component, the air outlet component comprises an annular heater, an air guide frame and an air guide cover with an open lower end, the upper end of the air guide cover is provided with an air inlet, the air guide frame comprises an inner ring and an outer ring, the inner ring and the outer ring define an annular air outlet channel, the top of the inner ring is covered with a wind distribution cone with a small upper part and a big lower part, the cone top of the wind distribution cone corresponds to the air inlet, the cone angle alpha of the air distribution cone is 130-160 degrees, the air guide cover is buckled at the top of the outer ring and forms an air guide channel communicated with the air outlet channel together with the air distribution cone, the lower end of the air outlet channel is opened to form an annular warm air outlet, and the annular heater is positioned in the air outlet channel.

Description

Heating device

[ technical field ] A method for producing a semiconductor device

The utility model relates to a warm air technology field for the warm type bathroom especially relates to a room heater.

[ background of the invention ]

Air of the air heating type bathroom warmer in the market is heated by flowing through the rectangular PTC heater, and then the direction of the shutter is adjusted to control the air to be discharged in the air direction, so that the bathroom is heated. The air outlet mode not only causes uneven distribution of the bathroom heating, but also influences the comfort of people; when the air outlet faces towards the human body, the warm air is directly directed towards the human body, so that the water vapor on the human body is evaporated too fast and feels uncomfortable.

[ Utility model ] content

The utility model aims to solve the technical problem that overcome prior art not enough and provide a room heater, can realize 360 all-round air-outs, the air-out is effectual, can make the warm braw encircle the parcel human body, promotes people's comfort.

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

a warmer comprises an air outlet assembly, wherein the air outlet assembly comprises an annular heater, an air guide frame and an air guide cover with an open lower end, an air inlet is formed in the upper end of the air guide cover, the air guide frame comprises an inner ring and an outer ring, an annular air outlet channel is defined by the inner ring and the outer ring, a wind distribution cone with a small upper part and a large lower part is arranged on the top of the inner ring, the cone top of the wind distribution cone corresponds to the air inlet, the cone angle alpha of the wind distribution cone is 130-160 degrees, the air guide cover is buckled on the top of the outer ring and forms an air guide channel communicated with the air outlet channel in a surrounding mode with the wind distribution cone, the lower end of the air outlet channel is opened to form an annular warm air outlet, and the annular heater is located in the air outlet channel.

Further, the distance between the top end of the air distribution cone and the top of the air guide cover is 0-15 mm.

Furthermore, the outer surface of the air distribution cone is a concave cambered surface.

Further, the inner circle includes the cylindric section and connects the tubaeform section of cylindric section bottom, the ring heater is installed between cylindric section and the outer lane, the cross-sectional area of tubaeform section is crescent downwards, form between the bottom of tubaeform section and outer lane the warm braw export.

Furthermore, a step surface is formed at the top of the cylindrical section, the air distribution cone is sleeved on the cylindrical section, the bottom surface of the air distribution cone is abutted against the step surface, and the air distribution cone and the inner ring are fixedly connected through screws.

Further, the air-out subassembly still includes the suit and is in the rosette in the outer lane outside, the outer lane is equipped with the ring limit of radial outside extension, the rosette includes the flange of radial inside extension, the flange is located ring limit below and shelter from the ring limit, the flange passes through the fix with screw with the ring limit.

Still further, the room heater still includes the face guard subassembly, the face guard subassembly includes outer face guard and nexine face guard, form between outer face guard and the nexine face guard the side air intake, the air-out subassembly runs through the face guard subassembly sets up, be equipped with the installing port on the outer face guard and center on the installing port sets up and the positioning ring limit of upwards extending, the inboard of installing port is equipped with radial inside location step that extends, the flange supports on the location step, the positioning ring limit on be equipped with the screens of the lateral wall joint of rosette, the screens is right the air-out subassembly goes up spacingly.

Further, the internally mounted of inner circle has the lamp plate, the bottom of inner circle is installed and is sheltered from the lamp shade of lamp plate.

The utility model has the advantages that:

the air in the utility model flows to the conical top of the air distribution cone after entering the air guiding cover through the air inlet, and flows dispersedly towards the periphery of the air distribution cone under the cutting of the conical top, and then can uniformly flow into the annular air outlet channel, and uniformly flows out in the 360-degree direction through the warm air outlet after being heated by the annular heater, thereby improving the air outlet effect, enabling the warm air to surround and wrap the human body, and improving the comfort of people; in addition, the conical surface of the air distribution cone can also effectively reduce the wind resistance, so that the air output of warm air in unit time is increased, and the bathroom can be quickly warmed; finally, the cone angle alpha of the air distribution cone is 130-160 degrees, and the design can ensure the wind dispersion effect, so that wind energy uniformly flows into the air outlet channel in a dispersed manner, and can reduce the size of the air outlet component in the height direction while ensuring the size of a warm air outlet, thereby saving materials and reducing the manufacturing cost.

The distance between the top end of the air distribution cone and the top of the air guide cover is 0-15 mm. So design can promote the dispersion effect to wind to make wind energy evenly distributed in annular wind-guiding passageway, can realize 360 all-round warm braws from this, make the warm braw encircle the parcel human body.

The outer surface of the wind distribution cone is a concave cambered surface. So design, can further reduce the windage to promote air-out speed.

The inner ring comprises a cylindrical section and a horn-shaped section connected to the bottom of the cylindrical section, the annular heater is installed between the cylindrical section and the outer ring, the cross-sectional area of the horn-shaped section is gradually increased downwards, and a warm air outlet is formed between the horn-shaped section and the bottom end of the outer ring. By the design, the annular heater is convenient to mount and fix, and the warm air can be guided to further diffuse and flow outwards through the horn-shaped section, so that the warm air can cover a human body.

The top of the cylindrical section is provided with a step surface, the air distribution cone is sleeved on the cylindrical section, the bottom surface of the air distribution cone is abutted against the step surface, and the air distribution cone is fixedly connected with the inner ring through a screw. By the design, the sealing fit of the inner ring and the air distribution cone can be realized without a sealing ring, so that air is prevented from entering the inner ring, and the air output of warm air is ensured.

The air-out subassembly is still including the rosette of suit in the outer lane outside, and the outer lane is equipped with the ring limit of radial outside extension, and the rosette includes the flange of radial inside extension, and the flange is located ring limit below and shelters from the ring limit, and the flange passes through the fix with screw with the ring limit. By the design, the decorative ring can play a role in shielding the outer ring, so that the outer ring is prevented from being exposed outside and the color of the whole machine is prevented from being violated, the mode of fixing the screws can not only realize the detachable connection between the decorative ring and the outer ring, but also improve the reliability of the connection between the decorative ring and the air guide frame.

The room heater still includes the face guard subassembly, the face guard subassembly includes outer face guard and nexine face guard, form the side air intake between outer face guard and the nexine face guard, the air-out subassembly runs through the setting of face guard subassembly, be equipped with the installing port on the outer face guard and around the locating ring limit that the installing port set up and upwards extended, the inboard of installing port is equipped with the radial location step of inwards extending, the flange supports on the location step, the locating ring limit is equipped with the screens with the lateral wall joint of rosette, the screens goes on spacing to the air-out subassembly. During the equipment, the nexine face guard is located outer face guard top, assemble the air-out subassembly on the face guard subassembly from the top down, the position ring limit can radially be spacing to the air-out subassembly this moment, guide the axial motion of air-out subassembly along the installing port promptly, treat that the air-out subassembly removes when making rosette and location step contact, screens and rosette joint on the position ring limit, accessible location step realizes the lower spacing to the air-out subassembly from this, and realize the last spacing to the air-out subassembly through the screens, consequently, this technical scheme can make the equipment of air-out subassembly and face guard subassembly simpler, and need not with the help of the instrument, consequently, it is also comparatively convenient to operate, and the packaging efficiency is greatly promoted.

The internally mounted of inner circle has the lamp plate, and the lamp shade that shelters from the lamp plate is installed to the bottom of inner circle. By the design, the lighting effect can be realized, and the use experience of a user is improved; the existing space in the inner ring can be utilized for assembly, so that the whole structure is more compact.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention will be further explained with reference to the drawings:

fig. 1 is an exploded view of an air outlet assembly in a preferred embodiment of the present invention;

fig. 2 is an assembly view of the air outlet assembly in the preferred embodiment of the present invention;

FIG. 3 is a view showing the structure of the air distribution cone in the preferred embodiment of the present invention;

fig. 4 is a sectional view of the air outlet assembly in the preferred embodiment of the present invention;

FIG. 5 is an enlarged view of a portion of A in FIG. 4;

FIG. 6 is an exploded view of the warmer in the preferred embodiment of the present invention;

FIG. 7 is a block diagram of the lateral side mask in a preferred embodiment of the present invention;

fig. 8 is an exploded view of a mask assembly according to a preferred embodiment of the present invention.

[ detailed description ] embodiments

The utility model provides a warmer, including the air-out subassembly, the air-out subassembly includes annular heater, wind-guiding frame and the open wind scooper of lower extreme, the wind scooper upper end is equipped with the air intake, the wind-guiding frame includes inner circle and outer lane, inner circle and outer lane limit shape become annular air-out passageway, the top cover of inner circle is equipped with big-end-up's distribution cone, the vertex of a cone of distribution cone corresponds the air intake, the cone angle alpha of distribution cone is 130 ~ 160, the wind scooper is detained the top of outer lane and with the distribution cone enclose into with the wind-guiding passageway of air-out passageway intercommunication, the lower extreme of air-out passageway opens and forms annular warm braw export, annular heater is located in the air-out passageway.

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Referring to fig. 6, the heater in this embodiment includes a case 100, a mask assembly 200 and an air outlet assembly 300, the case 100 is provided with an air outlet 101, the case 100 is provided with two air suction channels and fan assemblies respectively installed in the two air suction channels, each fan assembly includes a centrifugal wind wheel and a motor for driving the centrifugal wind wheel to rotate, the air outlet assembly 300 has an annular warm air outlet 301, the air outlet assembly 300 is installed on the mask assembly 200, the mask assembly 200 is fixed on the bottom surface of the case 100, the mask assembly 200 includes an outer mask 210 and an inner mask 220, a side air inlet 201 is formed between the inner mask 220 and the outer mask 210, the air suction channels communicate with the side air inlet 201 and the warm air outlet 301, one of the two air suction channels is provided with an air door communicated with the air outlet 101, the air door is provided at the air outlet, and the air door is driven by the motor to switch air suction and the air outlet 101, The specific structure of the connection and disconnection of the warm air outlet 301 refers to patent No. CN 109681947 a.

When heating, the air door closes the communication between the air suction duct and the air outlet 101, so that the air suction duct is communicated with the warm air outlet 301, and at the moment, the two fan assemblies work, suck indoor air into the two air suction ducts through the side air inlet 201 and discharge the indoor air to the warm air outlet 301 through the air suction ducts; during ventilation, the air door closes the communication between the air suction duct and the warm air outlet 301, so that the air suction duct is communicated with the air outlet 101, the fan assembly located in the air suction duct works, the other fan assembly does not work, and the working fan assembly sucks indoor air into the air suction duct through the side air inlet 201 to be discharged to the air outlet 101. By the design, the air outlet quantity of the warm air can be increased during warming, so that the bathroom is quickly warmed, and a user feels warm and comfortable.

As shown in fig. 1 to 5, the air outlet assembly 300 in this embodiment includes an annular heater 310, an air guide frame 320, and an air guide cover 330 with an open lower end, an air inlet 331 is disposed at the upper end of the air guide cover 330, the air guide frame 320 includes an inner ring 321 and an outer ring 322, the inner ring 321 and the outer ring 322 define an annular air outlet channel 323, the annular heater 310 is located in the air outlet channel 323, the lower end of the air outlet channel 323 is opened to form an annular warm air outlet 301, the air guide cover 330 is fastened to the top of the outer ring 322, in this embodiment, the top of the inner ring 321 is further covered with a small-top-large air distribution cone 340, the cone top of the air distribution cone 340 corresponds to the air inlet 331, the air guide cover 330 and the air distribution cone 340 define an air guide channel 350 communicating with the air outlet channel 323, so that the air enters the air guide cover 330 through the air inlet 331 and flows toward the cone top of the air distribution cone 340 and is divided into the periphery of the air distribution cone 340 under the cut of the cone top, and then flows uniformly into the annular air outlet channel 323, after being heated by the annular heater 310, the hot air uniformly flows out from the hot air outlet 301 in the direction of 360 degrees, so that the air outlet effect is improved, the hot air can wrap the human body in an encircling manner, and the comfort of the human body is improved; in addition, the conical surface of the air distribution cone 340 can also effectively reduce the wind resistance, and further improve the warm air output in unit time, so that the bathroom can be quickly warmed. In this embodiment, the taper angle α of the air distribution cone 340 is 130 ° to 160 °, and when the taper angle α of the air distribution cone 340 is smaller than 130 °, under the condition that the size of the warm air outlet 301 is not changed, the heights of the air distribution cone 340 and the air guiding cover 330 need to be increased, thereby increasing the material cost; when the cone angle α of the air distribution cone is larger than 160 °, the air distribution effect is not good, and the warm air outlet 301 cannot form uniform air outlet in the circumferential direction, so that a user is locally cooled; therefore, the cone angle of the air distribution cone 340 in the embodiment is 150 °, and by such design, the wind dispersing effect can be ensured, so that wind energy can uniformly flow into the air outlet channel 323 in a dispersing manner towards the periphery, and the warm air outlet 301 can uniformly discharge air in the circumferential direction; and the size of the warm air outlet 301 can be ensured, and the size of the air outlet assembly 300 in the height direction can be reduced, so that the material consumption is saved, and the manufacturing cost is reduced. Of course, the cone angle α of the wind distribution cone 340 may alternatively be, but not limited to, 130 °, 135 °, 140 °, 145 °, 155 °, 160 °, or the like.

As shown in fig. 4, in order to further improve the wind dispersing effect of the wind distribution cone 340, a distance L between the top end of the wind distribution cone and the top of the wind scooper 330 in this embodiment is 0-15 mm, and when L is greater than 15mm, the top end of the wind distribution cone is far away from the wind inlet 331, so that the wind entering the wind scooper 330 cannot be dispersed in time, and thus the wind outlet 301 cannot uniformly output wind; for this reason, L in this embodiment is preferably 7mm, and design like this, can promote the dispersion effect to the wind to make wind energy evenly distributed in annular wind-guiding passageway 350, can realize 360 all-round warm braws from this, make the warm braw embrace the parcel human body.

In order to further reduce the wind resistance and increase the wind speed, the outer surface of the wind distribution cone 340 is a concave arc surface in this embodiment.

Further, as shown in fig. 1 and 5, the inner ring 321 in the present embodiment includes a cylindrical section 3212 and a trumpet-shaped section 3211 connected to the bottom of the cylindrical section 3212, the ring heater 310 is installed between the cylindrical section 3212 and the outer ring 322, and the bottom surface of the ring heater 310 is lower than the top surface of the outer ring 322 and the top surface of the cylindrical section 3212 to prevent the warm air from leaking, thereby allowing the warm air to be entirely discharged from the warm air outlet 301. The sectional area of the flared section 3211 gradually increases downward, and the warm air outlet 301 is formed between the flared section 3211 and the bottom end of the outer ring 322. Due to the design, the installation and the fixation of the annular heater 310 are convenient, and the warm air can be guided to further diffuse and flow outwards through the trumpet-shaped section 3211, so that the warm air can cover the human body. Preferably, in this embodiment, the lower end of the flared section 3211 protrudes downward from the bottom surface of the outer ring 322. By the design, the coverage range of the warm air can be further enlarged, indoor corners can be warm, and foreign matters can be effectively prevented from entering the warm air outlet 301.

In addition, in order to further improve the air outlet effect and meet the safety requirements, the distance H between the bottom end of the annular heater 310 and the warm air outlet 301 in this embodiment is 10mm to 20mm, and when H is greater than 20mm, the wind resistance is increased, thereby affecting the air outlet effect; when H is less than 10mm, the warm air outlet 301 is too close to the ring heater 310, and the ring heater 310 is an electrified part, so that potential safety hazards exist and safety requirements are not met. Therefore, the preferred H in this embodiment is 15mm, and with such a design, the wind resistance can be reduced to improve the wind outlet effect, and the potential safety hazard caused by the fact that the annular heater 310 is too close to the warm wind outlet 301 can be avoided, so that the wind outlet assembly 300 meets the safety requirements. Of course, H may alternatively be, but is not limited to, 10mm, 11mm, 12mm, 13mm, 14mm, 16mm, 17mm, 18mm, 19mm, or 20mm, etc.

In this embodiment, a plurality of connecting ribs 324 are circumferentially spaced between the flared section 3211 and the outer ring 322, and the connecting ribs 324 are located below the ring heater 310. By such design, the connecting ribs 324 form an air deflector to guide the wind direction, so that the wind outlet in the 360-degree direction is more uniform. In addition, an annular rib 325 is arranged in the middle of the air outlet channel 323, and the plurality of connecting ribs 324 are connected through the annular rib 325. So designed, the ring-shaped ribs 325 function to support the ring-shaped heater 310; meanwhile, the test paper can be prevented from being pushed to the annular heater 310 and from touching the annular heater 310 due to the fact that fingers stretch into the annular heater, and therefore the use safety performance is improved; finally, the connection reliability of the outer ring 322 and the inner ring 321 can be enhanced, and the service life of the air guide frame 320 is prolonged.

In order to realize that the air distribution cone 340 seals the top of the inner ring 321, a step surface is formed on the outer side of the top of the cylindrical section 3212 in the embodiment, the air distribution cone 340 is sleeved on the outer side of the cylindrical section 3212, the bottom surface of the air distribution cone 340 abuts against the step surface, and the air distribution cone 340 and the inner ring 321 are fixedly connected through screws. By the design, the step surface is matched with the bottom surface of the air distribution cone 340, and the outer side surface of the inner ring is matched with the inner side surface of the air distribution cone 340, so that the inner ring 321 and the air distribution cone 340 can be in sealed fit without a sealing ring, thereby preventing air from entering the inner ring 321, and ensuring the air output and air output effect of warm air; in addition, the screw connection and fixation can prevent the air distribution cone 340 from falling off when the air outlet assembly is assembled on the mask assembly 200.

It can be understood that in other embodiments of the present invention, the step surface can also be disposed at the inner side of the top of the inner ring, the inner ring is sleeved at the outer side of the air distribution cone, and the design can also realize the effect that the top of the inner ring is sealed by the air distribution cone. Or the air distribution cone is fixed on the inner ring in a welding mode.

In order to simplify the assembly process and improve the assembly efficiency, the outer ring 322 and the inner ring 321 in this embodiment are integrally formed to form the air guide frame 320. In order to further ensure the 360-degree omni-directional air outlet effect, the air guide frame 320 in this embodiment is a high temperature resistant frame body, the heat resistant temperature of the air guide frame 320 is at least 200 ℃, and the air guide frame 320 is a PBT piece, a PA piece, a PET piece, or a PPS piece. By the design, the air guide frame 320 is not easy to deform due to high temperature, 360-degree omnibearing smoothness of the air outlet channel and 360-degree omnibearing air outlet of the warm air outlet are ensured, and the air outlet effect is further ensured.

In addition, the air outlet assembly 300 in this embodiment further includes a decorative ring 360 sleeved outside the outer ring 322, the outer ring 322 is provided with a ring edge 3221 extending radially outward, the decorative ring 360 includes a retaining edge 361 extending radially inward, the retaining edge 361 is located below the ring edge 3221 and covers the ring edge 3221, and the retaining edge 361 and the ring edge 3221 are fixed by screws. So design, can make the ornamental ring 360 play the effect of sheltering from to outer lane 322 to avoid outer lane 322 to expose outside and violate mutually with the colour of face guard subassembly 200, and the mode of fix with screw can not only realize ornamental ring 360 and the releasable connection of outer lane 322, has still increased ornamental ring 360 and wind guide frame 200's reliability of being connected. In order to further dissipate the warm air to cover the human body, the bottom surface of the retaining edge 361 in this embodiment is a guiding inclined surface that is inclined outward and downward.

In order to improve the user experience, a seat body 362 for installing a temperature display is integrally formed on the outer peripheral side of the decoration ring 360 in the embodiment, a light transmission portion 3621 is arranged on the seat body 362, the light transmission portion 3621 includes a through hole and a transparent lens covering the through hole, and the temperature display is arranged corresponding to the light transmission portion 3621, so that the user can know the indoor temperature through the temperature display to improve the user experience; in addition, the assembly and fixation of the temperature display and the air outlet assembly 300 can be realized through the assembly of the decoration ring 360, thereby further simplifying the assembly steps.

In order to further improve the user experience, in this embodiment, the lamp panel 370 is installed inside the inner ring 321, the lamp shade 380 shielding the lamp panel 370 is installed at the bottom of the inner ring 321, and the lamp panel 370 is fixed in a cavity defined by the air distribution cone 340 and the lamp shade 380, so that the lighting effect can be realized, and the user experience can be improved; it is also possible to assemble using the existing space inside the inner ring 321, thereby making the overall structure more compact.

Finally, as shown in fig. 1 and fig. 7 to fig. 8, in order to facilitate the assembly of the air outlet assembly 300 to the mask assembly 200, in this embodiment, the outer mask 210 is provided with a mounting opening 211, a light hole 215 corresponding to the seat body 362, and a positioning ring edge 212 arranged around the mounting opening 211 and extending upward, the light hole 215 is communicated with the mounting opening 211, the positioning ring edge 212 abuts against the inner mask 220, so as to form the side air inlet 201 between the outer mask 210 and the inner mask 220, the inner side of the mounting opening 211 is provided with a positioning step 213 extending radially inward, the positioning ring edge 212 is provided with a detent 214, the detent 214 is an elastic snap, the sidewall of the decoration ring 360 is provided with a snap hole 363 snap-fitted with the detent 214, when the air outlet assembly 300 is assembled with the mask assembly 200, the inner mask 220 is located above the outer mask 210, the air outlet assembly 300 is assembled from top to bottom to the mask assembly 200, at this time, the positioning ring edge 212 can radially limit the air outlet assembly 300, guide air-out subassembly 300 along the axial motion of installing port 211 promptly, treat that air-out subassembly 300 removes when making the contact of dress ring 360 and location step 213, screens 214 and joint hole 363 joint on the locating ring limit 212, accessible location step 213 realizes the lower spacing to air-out subassembly 300 from this, and realize the last spacing to air-out subassembly 300 through screens 214, consequently, the technical scheme of this embodiment can make air-out subassembly 300 and face guard subassembly 200's equipment simpler, and need not with the help of the instrument, therefore the operation is also comparatively convenient, and the packaging efficiency is greatly improved.

It can be understood that in other embodiments of the utility model, the screens can also be the joint hole, and be equipped with the elasticity buckle with joint hole joint on the lateral wall of rosette.

It should be noted that the air guide frame of the present invention can also be used in ventilation devices such as air conditioners, air purifiers, and air heaters to realize annular air outlet.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. The warmer comprises an air outlet assembly and is characterized in that the air outlet assembly comprises an annular heater, an air guide frame and an air guide cover with an open lower end, an air inlet is formed in the upper end of the air guide cover, the air guide frame comprises an inner ring and an outer ring, an annular air outlet channel is defined by the inner ring and the outer ring, a wind distribution cone with a small upper part and a large lower part is arranged on the top of the inner ring, the cone top of the wind distribution cone corresponds to the air inlet, the cone angle alpha of the wind distribution cone ranges from 130 degrees to 160 degrees, the air guide cover is buckled on the top of the outer ring and forms an air guide channel communicated with the air outlet channel in a surrounding mode with the wind distribution cone, the lower end of the air outlet channel is opened to form an annular warm air outlet, and the annular heater is located in the air outlet channel.

2. The warmer according to claim 1, wherein the distance between the top end of the air distribution cone and the top of the air guide cover is 0-15 mm.

3. The warmer of claim 1, wherein said air distribution cone has an outer surface that is concavely curved.

4. The warmer of claim 1, wherein said inner ring includes a cylindrical section and a flared section connected to a bottom of said cylindrical section, said ring heater being mounted between said cylindrical section and said outer ring, said flared section having a cross-sectional area that increases downwardly, said warm air outlet being formed between said flared section and a bottom end of said outer ring.

5. The warmer as claimed in claim 4, wherein a step surface is formed at the top of the cylindrical section, the air distribution cone is sleeved on the cylindrical section, the bottom surface of the air distribution cone abuts against the step surface, and the air distribution cone is fixedly connected with the inner ring through a screw.

6. The warmer according to any one of claims 1 to 5, wherein the outlet assembly further comprises a decorative ring disposed outside the outer ring, the outer ring is provided with a radially outwardly extending rim, the decorative ring comprises a radially inwardly extending rib, the rib is located below the rim and covers the rim, and the rib and the rim are fixed by screws.

7. The heater as claimed in claim 6, wherein the heater further comprises a cover assembly, the cover assembly comprises an outer cover and an inner cover, a side air inlet is formed between the outer cover and the inner cover, the outlet assembly penetrates the cover assembly, the outer cover is provided with a mounting opening and a positioning ring edge which is arranged around the mounting opening and extends upwards, a positioning step extending radially inwards is arranged on the inner side of the mounting opening, the retaining edge is supported on the positioning step, a clamping position is arranged on the positioning ring edge and clamped with the side wall of the decoration ring, and the clamping position limits the outlet assembly upwards.

8. A warmer as claimed in any one of claims 1 to 5, wherein a lamp panel is mounted inside the inner ring, and a lampshade covering the lamp panel is mounted at the bottom of the inner ring.