CN218001619U - Heating device - Google Patents

Abstract

The utility model relates to a room heater technical field, concretely relates to room heater. The warmer includes: the volute structure is arranged in the box body; the inner wall of the volute structure surrounds to form a volute inner cavity; the air duct is suitable for communicating the inner cavity of the volute with the outside of the warmer; the number of the ventilation channels is at least three; the first air adjusting mechanism is rotatably arranged in the inner cavity of the volute and is suitable for communicating the inner cavity of the volute with at least one group of the ventilation channels; and the second air adjusting mechanism is suitable for communicating at least one group of ventilation channels with the outside of the warmer. The utility model provides a warmer, through first rotation air door with the second rotates the switching and the combination of different states between the air door to realize the ventilation mode of multiple difference, be favorable to satisfying user's individualized demand, improve the comfort level of room heater.

Description

Heating device

Technical Field

The utility model relates to a room heater technical field, concretely relates to room heater.

Background

The existing multi-outlet heater mostly adopts a structure similar to that shown in fig. 1, wherein the rotatable structure 500 is freely rotated in the cavity structure 400 under the driving of a motor, and is linked with different outlet structures 700 to realize air outlet in different directions. However, the existing rotatable structure has a single air outlet mode, can only realize air outlet in a single direction at the same time, and cannot meet the requirements of multiple scenes such as double air blowing, simultaneous air blowing and simultaneous air exchange; meanwhile, because the volute structure is large, in order to ensure that the volute can rotate freely and well, the conventional warmer is usually provided with a rotating chassis at the bottom of the box body so as to achieve the purpose of fixedly supporting the rotating volute, and the rotating volute and the combined rotating structure of the chassis can bring extra load to the motor and also have the risk of generating friction noise due to the fact that the volute cannot be assembled in place.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the single defect of heater air-out mode among the prior art to a room heater that can realize multiple air-out mode is provided.

In order to solve the technical problem, the utility model provides a warmer, include:

the volute structure is arranged in the box body; the inner wall of the volute structure surrounds to form a volute inner cavity;

the air duct is suitable for communicating the inner cavity of the volute with the outside of the warmer; the number of the air channels is at least three groups;

the first air adjusting mechanism is rotatably arranged in the volute inner cavity and is suitable for communicating the volute inner cavity with at least one group of ventilation channels;

and the second air regulating mechanism is suitable for communicating at least one group of the ventilation channels with the outside of the warmer.

Optionally, the heater includes:

the first air duct and the second air duct are both arranged in the extending direction of the scroll mouth of the scroll casing structure; the first air duct and the second air duct are suitable for communicating the inner cavity of the volute with the outside of the warmer;

and one end of the third air duct is communicated with the side wall of the second air duct, and the other end of the third air duct is communicated with the outside of the warmer.

Optionally, the first air adjusting mechanism includes a first rotary damper, and the first rotary damper is adapted to communicate the inner cavity of the volute with at least one of the first air duct and the second air duct.

Optionally, the first rotary damper has a first state in which the volute inner cavity is communicated with only the first air duct, a second state in which the volute inner cavity is communicated with only the second air duct, and a third state in which the volute inner cavity is communicated with both the first air duct and the second air duct.

Optionally, the shape structure of the first rotary damper is arranged corresponding to the inner wall structure of the volute structure.

Optionally, the second air adjusting mechanism includes a second rotary damper, and the second rotary damper is adapted to communicate at least one of the third air duct and the second air duct with the outside of the heater.

Optionally, the second rotary damper has a fourth state in which the outside of the heater is only communicated with the second air duct, a fifth state in which the outside of the heater is only communicated with the third air duct, and a sixth state in which the outside of the heater is simultaneously communicated with the second air duct and the third air duct.

Optionally, the first air adjusting mechanism further includes a first motor, and the first motor is adapted to drive the first rotating damper to rotate.

Optionally, the second air adjusting mechanism further includes a second motor, and the second motor is adapted to drive the second rotary air door to rotate.

Optionally, the warmer further comprises a heating assembly, the heating assembly comprising:

the first heating element is arranged at one end close to the air outlet of the first air duct;

and the second heating part is arranged at one end close to the air outlet of the second air duct.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a room heater is through setting up first rotation air door, so that first rotation air door is in the first state the second state and switch between the third state, thereby will spiral case inner chamber and different wind channel structure are linked together, and then realize that the air current of spiral case inner chamber flows in and/or flows from the direction of difference along different wind channel structures, satisfy the demand of user to the multi-direction air-out of room heater.

2. The utility model provides a room heater rotates the air door through setting up the second, so that the second rotates the air door and is in the fourth state the fifth state and switch between the sixth state, thereby will spiral case inner chamber and different wind channel structure are linked together, and then realize that the air current of spiral case inner chamber flows in and/or flows from the direction of difference along different wind channel structures, further satisfies the demand of user to the multi-mode air-out of room heater.

3. The heater provided by the utility model, through arranging the first air adjusting mechanism on the upper part of the volute structure, compared with the original combined rotating structure of the rotating volute and the chassis, the load of the motor is greatly reduced; through setting up first motor for fixed connection between the output of first motor and the first wind door that rotates, in order to drive first wind door that rotates is in spiral case inner chamber internal rotation, thereby realizes first wind door that rotates is in the automatic switch-over between first state, the second state and the third state, has improved the degree of automation of switching-over between the different air-out modes of room heater.

4. The utility model provides a warmer, the second motor is arranged on the side wall of the air duct at the communication port; the output of second motor with fixed connection between the second rotates the air door, thereby drives the second rotates the air door and is in intercommunication mouth department rotates, and then realizes the second rotates the air door and is in fourth state fifth state and automatic switch-over between the sixth state has further improved the degree of automation of switching over between the different air-out modes of room heater.

5. The utility model provides a warmer works as first rotation air door is in during the first state, snail form inner chamber only with first wind channel is linked together, so that the air current in snail form inner chamber is via completely first wind channel flows in and/or flows out, and the air current warp this moment is discharged by first wind gap after the heating of first heating member to realize the mode of singly blowing, reach local heating effect.

6. The utility model provides a warmer works as first rotation air door is in the third state just works as the second rotates the air door and is in during the fourth state, snail form inner chamber one end with first wind channel is linked together, the other end only with the second wind channel is linked together, so that the air current one end via in the interior intracavity of snail form first wind channel, the other end only by the second wind channel flows in and/or flows out, and the air current warp this moment first heating member with realize two wind gap multizone heating after the second heating member heats simultaneously to realize two wind modes of blowing, and then effectively enlarge the warm braw area, improve thermal comfort.

7. The utility model provides a warmer works as first rotation air door is in the second state just works as the second rotates the air door and is in during the sixth state, spiral form inner chamber only with the second wind channel with the third wind channel is linked together to make the air current of intracavity in the spiral case simultaneously by the second wind channel with third wind channel inflow and/or outflow, this moment air current warp in the second wind channel is discharged by the second wind gap after the second heating member heating, simultaneously the third wind channel is outdoor with indoor steam in time discharge, thereby realizes the mode of blowing while taking a breath, when guaranteeing indoor hot travelling comfort, effectively reduces air humidity.

8. The utility model provides a room heater works as first rotation air door is in the second state just works as the second rotates the air door and is in during the fifth state, spiral shell form inner chamber only with the third wind channel is linked together to make the air current of intracavity only by the third wind channel flows in and/or flows, this moment first wind channel with the second wind channel all closes completely, thereby realizes single mode of taking a breath, and the user of being convenient for is in time discharged indoor steam outdoor after stopping to warm.

9. The utility model provides a room heater, through setting up heating element, make heating element with first accent wind mechanism and the second is transferred wind mechanism and is cooperateed, through first rotation air door with the second rotates the switching and the combination of different states between the air door to realize multiple different ventilation mode, be favorable to satisfying user's individualized demand, improve the comfort level of room heater.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a heater with a single air outlet mode before improvement;

FIG. 2 is a schematic view of the overall structure of the warmer of the present invention;

FIG. 3 is a schematic view of the heater in a single blowing mode;

fig. 4 is a schematic top view of the heater in the double blowing mode;

FIG. 5 is a schematic view of the top view of the heater in the mode of ventilation and blowing;

fig. 6 is a schematic view of the overlooking structure of the heater in the single ventilation mode.

Description of reference numerals:

1. a box body; 2. a volute structure; 3. an air duct; 31. a first air duct; 32. a second air duct; 33. a third air duct; 4. a first air regulating mechanism; 41. a first rotary damper; 42. a first motor; 5. a second air regulating mechanism; 51. a second rotary damper; 52. a second motor; 6. a heating assembly; 61. a first heating member; 62. a second heating member.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 2 to 6, the heater provided by the present embodiment includes:

the volute structure 2 is arranged in the box body 1; the inner wall of the volute structure 2 surrounds to form a volute inner cavity;

an air duct 3, wherein the air duct 3 is suitable for communicating the inner cavity of the volute with the outside of the warmer; the number of the air channels 3 is at least three;

the first air adjusting mechanism 4 is rotatably arranged in the inner cavity of the volute and is suitable for communicating the inner cavity of the volute with at least one group of the ventilation channels 3;

and the second air regulating mechanism 5 is suitable for communicating at least one group of the ventilation channels 3 with the outside of the warmer.

It should be noted that the number of the air outlets of the heater may be adjusted according to the actual requirements of the user, and the number of the air ducts 3 may also be adjusted into four groups, five groups, and six groups … … according to the number of the air outlets, so as to achieve directional ventilation in more directions, and meet the air supply requirements in more directions, which is not limited to the situation described in this embodiment; the number of the second air adjusting mechanisms 5 can be two, three or four … … so as to realize the combination of air supply modes in more directions, and meet the requirements of more air supply modes, which is not limited to the situation described in the embodiment; the specific position of the second air regulating mechanism 5 in the warmer box body can be adjusted according to the actual use condition, and is not limited to the condition shown in fig. 3.

It should be noted that, when the number of the air outlets on the box body of the warmer is four, the number of the air ducts 3 may be four; the four groups of ventilation ducts 3 are communicated with the four groups of air outlets in a one-to-one correspondence manner; the four groups of air outlets are respectively arranged in different directions of the box body 1; four sets of the air ducts 3 are arranged in pairs; each pair of the ventilation channels 3 are communicated with each other; a group of second air adjusting mechanisms 5 are arranged between each pair of the air channels 3; the second air adjusting mechanism 5 is suitable for communicating at least one group of the air duct 3 with the outside of the heater so as to realize air outlet and/or air exchange in different directions, thereby further enriching the air outlet mode of the heater and better meeting the personalized requirements of users.

Optionally, the inner wall of the volute structure 2 surrounds to form a volute inner cavity; a fan is arranged in the inner cavity of the volute.

Optionally, the volute structure 2 is provided with a volute along the extension direction of the spiral line, and the volute is suitable for communicating the inner cavity of the volute with an external structure.

Optionally, the number of the air outlets on the box body of the warmer is three; the number of the air channels 3 is three; and the three groups of ventilation ducts 3 are communicated with the three groups of air outlets in a one-to-one correspondence manner.

Specifically, the warmer includes:

a first air duct 31 and a second air duct 32, wherein the first air duct 31 and the second air duct 32 are both arranged in the extending direction of the scroll casing structure 2; the first duct 31 and the second duct 32 are adapted to communicate the volute chamber with the outside of the warmer;

and a third duct 33 having one end communicating with a side wall of the second duct 32 and the other end communicating with the outside of the heater.

It should be noted that the length direction refers to the direction indicated by the arrow "P" in fig. 3; the width direction refers to a direction indicated by an arrow "Q" in fig. 3; the heating assembly 6 can adopt a PTC heating assembly, so that the thermal comfort is improved; the first motor 42 and the second motor 52 may be step motors so as to accurately switch different states of the rotary damper.

Optionally, a communication port is formed in a side wall of the second air duct 32, and the communication port is adapted to communicate the second air duct 32 with the third air duct 33.

Optionally, the heater includes a first air port, a second air port and a third air port; the first air port and the second air port are arranged on two sides of the box body 1 along the length direction; the third air port is arranged on one side of the box body 1 along the width direction.

Optionally, one end of the first air duct 31 is communicated with the inner cavity of the volute, and the other end is communicated with the outside of the box 1 through the first air opening; one end of the second air duct 32 is communicated with the inner cavity of the volute, and the other end of the second air duct is communicated with the outside of the box body 1 through the second air opening; one end of the third air duct 33 is communicated with the communication port of the second air duct 32, and the other end is communicated with the outside of the box body 1 through the third air port.

Specifically, the first air adjusting mechanism 4 includes a first rotary damper 41, and the first rotary damper 41 is adapted to communicate the volute inner cavity with at least one of the first air duct 31 and the second air duct 32.

Optionally, the first rotating damper 41 is rotatably disposed in the volute inner cavity; the inner wall of the first rotary damper 41 is in clearance fit with the outer wall of the fan structure.

Specifically, the first rotary damper 41 has a first state in which the volute inner chamber communicates with only the first air duct 31, a second state in which the volute inner chamber communicates with only the second air duct 32, and a third state in which the volute inner chamber communicates with both the first air duct 31 and the second air duct 32.

In the present embodiment, as shown in fig. 3, when the first rotating damper 41 is in the first state, the inner wall of the first rotating damper 41 and the inner wall of the volute structure 2 form a closed volute cavity, and the volute cavity is only communicated with the first air duct 31, so that the airflow in the volute cavity completely flows in and/or out through the first air duct 31.

In the present embodiment, as shown in fig. 5, when the first rotating damper 41 is in the second state, the inner wall of the first rotating damper 41 and the inner wall of the volute structure 2 form a closed volute cavity, and the volute cavity is only communicated with the second air duct 32, so that the airflow in the volute cavity completely flows in and/or out through the second air duct 32.

In the present embodiment, as shown in fig. 4, when the first rotating damper 41 is in the third state, a scroll-shaped inner cavity with two open ends is formed by the inner wall of the first rotating damper 41 and the inner wall of the scroll casing structure 2, and one end of the scroll-shaped inner cavity is communicated with the first air duct 31, and the other end is communicated with the second air duct 32, so that the air flow in the scroll-shaped inner cavity flows in and/or out through the first air duct 31 and the second air duct 32 at the same time.

In this embodiment, by providing the first rotary damper 41, the first rotary damper 41 is switched among the first state, the second state, and the third state, so as to communicate the inner cavity of the volute with different air duct structures, thereby realizing that the airflow in the inner cavity of the volute flows in and/or out from different directions along different air duct structures, and meeting the requirement of a user on multi-directional air outlet of the warmer.

Specifically, the shape structure of the first rotary damper 41 is arranged corresponding to the inner wall structure of the volute structure 2.

In this embodiment, the first rotating damper 41 is an arc-shaped structure corresponding to the scroll structure 2; the inner wall of the first rotating air door 41 is in the process of switching among the first state, the second state and the third state and the inner wall of the volute structure 2 is always kept in smooth connection, so that airflow turbulence caused by sudden change of a local structure is avoided, dynamic balance of the airflow in the flowing-in and/or flowing-out process is kept, stable air outlet of the warmer is kept, and user experience of the warmer is improved.

Specifically, the second air adjusting mechanism 5 includes a second rotary damper 51, and the second rotary damper 51 is adapted to communicate at least one of the third air duct 33 and the second air duct 32 with the outside of the warmer.

Optionally, the second rotary damper 51 is rotatably disposed at the communication port; the second rotary damper 51 is engaged with the inner wall of the second air duct 32 and/or the inner wall of the third air duct 33 at the communication port, so as to communicate at least one of the third air duct 33 and the second air duct 32 with the outside of the heater.

Specifically, the second rotary damper 51 has a fourth state in which the outside of the heater is communicated only with the second duct 32, a fifth state in which the outside of the heater is communicated only with the third duct 33, and a sixth state in which the outside of the heater is communicated with both the second duct 32 and the third duct 33.

In the present embodiment, as shown in fig. 4, when the second rotary damper 51 is in the fourth state, the second rotary damper 51 completely closes the communication port, so that the airflow in the volute inner cavity completely flows in and/or out through the second air duct 32; and the second rotary damper 51 is smoothly connected with the inner wall of the second air duct 32, so as to avoid local air flow disorder in the second air duct 32.

Referring to fig. 6, in this embodiment, when the second rotary damper 51 is in the fifth state, the second rotary damper 51 rotates to completely open the communication port and completely close the second air duct 32, so that the airflow in the volute inner chamber completely flows into and/or out through the third air duct 33.

Referring to fig. 5, in this embodiment, when the second rotary damper 51 is in the sixth state, the second rotary damper 51 conducts the second air duct 32 and the third air duct 33 simultaneously, so that the air flow in the volute cavity flows into and/or out of the second air duct 32 and the third air duct 33 simultaneously.

In this embodiment, the second rotary air door 51 is arranged to switch the second rotary air door 51 among the fourth state, the fifth state and the sixth state, so that the inner cavity of the volute is communicated with different air duct structures, and then the air flow in the inner cavity of the volute flows in and/or out from different directions along different air duct structures, thereby further meeting the requirement of a user on multi-mode air outlet of the warmer.

Specifically, the first air adjusting mechanism 4 further includes a first motor 42, and the first motor 42 is adapted to drive the first rotating damper 41 to rotate.

Optionally, a rotation center is preset in the volute structure 2, and the rotation center coincides with a spiral center of the volute structure 2; the first motor 42 is disposed at the rotation center of the scroll casing structure 2.

Optionally, the first air regulating mechanism 4 is disposed on the upper portion of the volute structure 2, and compared with an original combined rotating structure of a rotating volute and a chassis, the first air regulating mechanism greatly reduces the load of a motor, is beneficial to improving the assembly precision, and reduces the friction noise generated by the assembly error.

In this embodiment, the first air regulating mechanism 4 is disposed at the upper portion of the volute structure 2, so that the load of the motor is greatly reduced compared with an original combined rotating structure of a rotating volute and a chassis; through the arrangement of the first motor 42, the output end of the first motor 42 is fixedly connected with the first rotating air door 41 to drive the first rotating air door 41 to rotate in the inner cavity of the volute, so that the first rotating air door 41 is automatically switched among the first state, the second state and the third state, and the degree of automation of switching among different air outlet modes of the warmer is improved.

Specifically, the second air adjusting mechanism 5 further includes a second motor 52, and the second motor 52 is adapted to drive the second rotary damper 51 to rotate.

In this embodiment, the second motor 52 is disposed on the side wall of the air duct at the communication port; the output end of the second motor 52 is fixedly connected with the second rotary air door 51, so that the second rotary air door 51 is driven to rotate at the communicating port, the second rotary air door 51 is automatically switched between the fourth state, the fifth state and the sixth state, and the degree of automation of switching between different air outlet modes of the warmer is further improved.

Specifically, the warmer further comprises a heating assembly 6, wherein the heating assembly 6 comprises:

the first heating element 61, the said first heating element 61 is set up in one end close to the air outlet of the first air channel 31;

and the second heating component 62, the second heating component 62 is arranged at one end close to the air outlet of the second air duct 32.

Referring to fig. 3, in this embodiment, when the first rotating air door 41 is in the first state, the volute cavity is only communicated with the first air duct 31, so that the air flow in the volute cavity completely flows in and/or out through the first air duct 31, and the air flow is heated by the first heating element 61 and then discharged through the first air opening, thereby implementing a single blowing mode and achieving a local heating effect.

In the present embodiment, as shown in fig. 4, when the first rotating damper 41 is in the third state and when the second rotating damper 51 is in the fourth state, one end of the volute cavity is communicated with the first air duct 31, and the other end is only communicated with the second air duct 32, so that one end of the air flow in the volute cavity passes through the first air duct 31, and the other end of the air flow only flows in and/or out of the second air duct 32, and at this time, the air flow is heated by the first heating element 61 and the second heating element 62 at the same time, so as to achieve dual-blowing-port multi-region heating, thereby achieving dual-blowing mode, further effectively enlarging a warm air blowing area, and improving thermal comfort.

Referring to fig. 5, in this embodiment, when the first rotating damper 41 is in the second state and the second rotating damper 51 is in the sixth state, the volute cavity is only communicated with the second air duct 32 and the third air duct 33, so that the air flow in the volute cavity flows in and/or flows out from the second air duct 32 and the third air duct 33 at the same time, at this time, the air flow in the second air duct 32 is heated by the second heating element 62 and then discharged by the second air port, and at the same time, the third air duct 33 discharges the indoor steam out of the room in time, thereby realizing a blowing mode while ventilating, and effectively reducing air humidity while ensuring indoor thermal comfort.

Referring to fig. 6, in this embodiment, when the first rotary damper 41 is in the second state and the second rotary damper 51 is in the fifth state, the scroll-shaped cavity is only communicated with the third air duct 33, so that the airflow in the scroll-shaped cavity flows in and/or out only from the third air duct 33, and at this time, the first air duct 31 and the second air duct 32 are both completely closed, thereby implementing a single ventilation mode, and facilitating a user to discharge indoor steam out of the room in time after heating is stopped.

In this embodiment, through setting up heating element 6, make heating element 6 with first air regulating mechanism 4 and second air regulating mechanism 5 cooperatees, through first rotation air door 41 with the switching and the combination of different states between second rotation air door 51 to realize multiple different ventilation mode, be favorable to satisfying user's individualized demand, improve the comfort level of room heater.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. A warmer, comprising:

the volute structure (2) is arranged in the box body (1); the inner wall of the volute structure (2) surrounds to form a volute inner cavity;

an air duct (3), the air duct (3) being adapted to communicate the volute cavity with the outside of the warmer; the number of the ventilation channels (3) is at least three groups;

the first air adjusting mechanism (4) is rotatably arranged in the inner cavity of the volute and is suitable for communicating the inner cavity of the volute with at least one group of the ventilation channels (3);

and the second air adjusting mechanism (5) is suitable for communicating at least one group of the ventilation channels (3) with the outside of the warmer.

2. The warmer of claim 1, comprising:

a first air duct (31) and a second air duct (32), wherein the first air duct (31) and the second air duct (32) are both arranged in the extending direction of the volute structure (2); the first air duct (31) and the second air duct (32) are adapted to communicate the volute chamber with the outside of the warmer;

and one end of the third air duct (33) is communicated with the side wall of the second air duct (32), and the other end of the third air duct is communicated with the outside of the warmer.

3. The warmer according to claim 2, wherein the first air adjustment mechanism (4) comprises a first rotary damper (41), the first rotary damper (41) being adapted to communicate the volute chamber with at least one of the first air duct (31) and the second air duct (32).

4. The warmer according to claim 3, wherein the first rotary damper (41) has a first state in which the volute chamber communicates only with the first duct (31), a second state in which the volute chamber communicates only with the second duct (32), and a third state in which the volute chamber communicates with both the first duct (31) and the second duct (32).

5. The warmer according to claim 3, wherein the shape structure of the first rotary damper (41) is disposed in correspondence with the inner wall structure of the volute structure (2).

6. The warmer according to claim 2, wherein the second air adjustment mechanism (5) comprises a second rotary damper (51), the second rotary damper (51) being adapted to communicate at least one of the third air duct (33) and the second air duct (32) with the outside of the warmer.

7. The warmer according to claim 6, characterised in that the second rotary shutter (51) has a fourth condition of communicating the outside of the warmer with only the second duct (32), a fifth condition of communicating the outside of the warmer with only the third duct (33), and a sixth condition of communicating the outside of the warmer with both the second duct (32) and the third duct (33).

8. The warmer according to any one of claims 1 to 7, wherein the first damper (4) further comprises a first motor (42), the first motor (42) being adapted to rotate the first rotary damper (41).

9. The warmer according to any one of claims 1 to 7, characterised in that the second damper (5) further comprises a second motor (52), the second motor (52) being adapted to rotate the second rotary damper (51).

10. The warmer according to any one of claims 1 to 7, further comprising a heating assembly (6), said heating assembly (6) comprising:

the first heating element (61), the said first heating element (61) is set up in the one end close to air outlet of the first wind channel (31);

and the second heating element (62), the second heating element (62) is arranged at one end close to the air outlet of the second air duct (32).

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