Warm air blower

Abstract

The utility model relates to a fan heater and relates to the technical field of household appliances. The warm air blower comprises a shell, a wind wheel assembly, a mounting support, a driving device, an air duct partition plate and a heating module. The installation support and the wind wheel assembly are arranged in the shell, the wind wheel assembly is provided with an air outlet side, the installation support is provided with an airflow channel, and the air channel partition plate is arranged in the airflow channel and divides the airflow channel into a first sub-channel and a second sub-channel. The air duct partition plate can be driven by the driving device to enable any one of the first sub-channel and the second sub-channel to communicate the air outlet side with the air outlet, and the other one of the first sub-channel and the second sub-channel is closed. According to the warm air blower, switching of air outlet between the first sub-channel and the second sub-channel can be achieved by arranging the wind wheel assembly and the driving device, different air outlet modes are formed, and the overall size of the warm air blower can be reduced.

Description

Technical Field

[0001] The present application relates to the technical field of household appliances, and particularly to a heater fan. Background Art

[0002] Existing heater fans generally include an air outlet channel, in which a set of wind wheel components and a set of heating components are arranged. After the cold air is heated by the wind wheel components and the heating components to form hot air, it is conveyed to the surrounding environment. However, after the power of the heating component is determined, the wind speed and the air outlet temperature of the heater fan are limited within a certain range, and it cannot meet the usage scenarios where the air volume changes within a large range.

[0003] In view of this, technicians in the related art attempt to increase the range of air volume variation of the heater fan by providing more air outlet channels in the heater fan. Specifically, a corresponding wind wheel component and a heating component are arranged in each air outlet channel. After the air is inhaled from different wind wheel components into the corresponding air outlet channels, it is heated by the corresponding heating components to form hot air. Since the heating components are increased, the variation range of the wind speed and the air outlet temperature of the heater fan is increased. However, in the above solution, multiple wind wheel components and multiple heating components will additionally increase the overall volume of the device. Summary of the Utility Model

[0004] In view of this, the embodiments of the present application provide a heater fan for solving the above technical problems.

[0005] The embodiments of the present application provide a heater fan, which includes a housing, a wind wheel component, a mounting bracket, a driving device, an air duct partition, and a heating module. The housing has a spaced inlet and outlet. The wind wheel component is arranged inside the housing. The mounting bracket is arranged inside the housing and has an air flow channel located between the outlet and the air outlet side of the wind wheel component. The driving device is connected to the housing. The air duct partition is arranged in the air flow channel and connected to the driving device. The air duct partition divides the air flow channel into a first sub-channel and a second sub-channel. The heating module includes a first heating device and a second heating device. The first heating device is arranged in the first sub-channel, and the second heating device is arranged in the second sub-channel. The air duct partition is used to, under the drive of the driving device, connect one of the first sub-channel and the second sub-channel to communicate the air outlet side and the outlet, so as to guide the air flow driven by the wind wheel component to flow to the outlet through one of the first sub-channel and the second sub-channel, and block the air flow from flowing to the outlet through the other of the first sub-channel and the second sub-channel.

[0006] Wherein, in some embodiments, the mounting bracket includes a first baffle and a second baffle. The first baffle and the second baffle are arranged at intervals, and the air flow channel is located between the first baffle and the second baffle. The first heating device and the second heating device are arranged in an arrangement direction from the first baffle to the second baffle, and the air duct partition is connected between the first heating device and the second heating device.

[0007] Among them, in some embodiments, the first baffle has a first end and a second end facing away from each other. The first end is connected to the air outlet side, and the second end extends to the air outlet. The second baffle has a third end and a fourth end facing away from each other. The third end is connected to the air outlet side, and the fourth end extends to the air outlet.

[0008] The air duct partition includes a first plate body connected to the driving device. One end of the first plate body is connected between the first heating device and the second heating device, and the other end contacts the first end or the third end under the drive of the driving device, so that one of the first sub-channel and the second sub-channel communicates the air outlet side and the air outlet.

[0009] Among them, in some embodiments, the air duct partition further includes a second plate body connected to the driving device. One end of the second plate body is connected to the first plate body, and the other end contacts the second end or the fourth end under the drive of the driving device, so that one of the first sub-channel and the second sub-channel communicates the air outlet side and the air outlet.

[0010] Among them, in some embodiments, the driving device is arranged outside the air flow channel. The driving device includes a driving member, a first rotating shaft and a second rotating shaft. The first rotating shaft is connected between the driving member and the first plate body, and the driving member drives the first rotating shaft to rotate to drive the first plate body to rotate; the second rotating shaft is connected between the driving member and the second plate body, and the driving member drives the second rotating shaft to rotate to drive the second plate body to rotate.

[0011] Among them, in some embodiments, the mounting bracket includes a bottom plate, and the bottom plate is connected between the first baffle and the second baffle. The bottom plate is provided with a first sliding groove, and the first sliding groove extends along the rotation path of the first plate body. A first limiting portion is convexly provided on the first plate body, and at least a part of the first limiting portion is received in the first sliding groove; or / and

[0012] The bottom plate is provided with a second sliding groove, and the second sliding groove extends along the rotation path of the second plate body. A second limiting portion is convexly provided on the second plate body, and at least a part of the limiting portion is received in the second sliding groove.

[0013] Among them, in some embodiments, the driving device further includes an input gear, a first output gear and a second output gear. The input gear is connected to the output shaft of the driving member, the first output gear meshes with the input gear, the second output gear meshes with the first output gear, the first rotating shaft is connected to the first output gear, and the second rotating shaft is connected to the second output gear.

[0014] Among them, in some embodiments, the impeller assembly includes a volute, a volute tongue and a cross-flow impeller. The volute is connected to the mounting bracket and is disposed around the periphery of the cross-flow impeller. The end of the volute and the volute tongue are spaced apart to jointly define the air outlet side.

[0015] Among them, in some embodiments, the wind wheel assembly further includes a plurality of first air guide plates. The plurality of first air guide plates are arranged on the air outlet side, and the plurality of first air guide plates are arranged at intervals in sequence along the direction from the end of the volute to the volute tongue.

[0016] Among them, in some embodiments, the air guide plate has a first surface and a second surface facing away from each other. The first surface faces the end of the volute, and the second surface faces the volute tongue. The first surface is a concave curved surface, and the second surface is a convex curved surface.

[0017] Among them, in some embodiments, the heater further includes an air outlet grille. The air outlet grille is connected to the housing and installed at the air outlet. The air outlet grille includes a plurality of second air guide plates. The plurality of second air guide plates are arranged at intervals along the width direction of the air outlet. The second air guide plates are used to guide the air flow.

[0018] Compared with the prior art, the embodiments of the present application provide a heater. An air inlet and an air outlet are formed in the housing of the heater. The heater includes a mounting bracket which has an air flow channel allowing air to pass through. A duct partition is further arranged in the air flow channel. The duct partition divides the air flow channel into a first sub-channel and a second sub-channel. A first heating device is arranged in the first sub-channel, and a second heating device is arranged in the second sub-channel. The duct partition is connected to a driving device and can rotate under the drive of the driving device, so that the air flow driven by the wind wheel assembly can flow from any one of the first sub-channel and the second sub-channel to the air outlet, and the other is blocked by the duct partition. By providing a rotatable and switchable duct partition, the air flow can flow to the air outlet through the first sub-channel and the second sub-channel respectively, so that two air outlet channels can be formed to meet the use requirements under different users and different environmental conditions. The heater further includes a wind wheel assembly. The air flow channel is arranged between the air outlet side of the wind wheel assembly and the air outlet, that is, a single wind wheel assembly can simultaneously deliver air flow to the first sub-channel and the second sub-channel, and there is no need to arrange wind wheel assemblies matching the number of sub-channels, which can save the installation space, make the structural layout of the heater more compact, and is beneficial to the development of the heater in a small size. At the same time, the maintenance and management of a single fan assembly are more convenient, and the material and manufacturing costs can be reduced, thereby providing better cost-effectiveness. Description of the Drawings

[0019] In order to more clearly illustrate the technical solutions of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0020] Figure 1 It is a schematic structural diagram of a heater provided by an embodiment of the present application.

[0021] Figure 2 is Figure 1 The structural explosion diagram of the heater shown in the figure.

[0022] Figure 3 is Figure 1 The schematic diagram of the transverse sectional structure of the heater shown in the figure.

[0023] Figure 4 is Figure 3 The enlarged structural diagram of area A in the heater shown in the figure.

[0024] Figure 5 is Figure 3 The schematic diagram of the air flow path of the heater shown in the figure.

[0025] Figure 6 is Figure 3 Another schematic diagram of the air flow path of the heater shown in the figure.

[0026] Figure 7 is Figure 3 Another schematic diagram of the air flow path of the heater shown in the figure.

[0027] Figure 8 is Figure 2 The schematic diagram of the structure of the air duct assembly in the heater shown in the figure.

[0028] Figure 9 is Figure 1 The bottom view of the mounting bracket with mounting parts in the heater described above.

[0029] Figure 10 is Figure 1 The left view of the heater described above. Detailed implementation manners

[0030] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present application.

[0031] It should be noted that when an element / component is referred to as "fixed to" another element / component, it can be directly on the other element / component or there may also be an intermediate element / component. When an element / component is considered to be "connected to" another element / component, it can be directly connected to the other element / component or there may be intermediate elements / components at the same time; also, when an element / component is considered to be "connected to" another element / component, it can be integrally formed and connected or assembled and connected with the other element / component. When an element / component is considered to be "disposed on" another element / component, it can be directly disposed on the other element / component or there may be intermediate elements / components at the same time.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs. The terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0033] Please refer to Figure 1 , an embodiment of this application provides a warm air blower 100. The warm air blower 100 is an electrical appliance for regulating temperature and is commonly used for indoor heating to improve the comfort of the living and working environment. Due to the portability of the warm air blower 100, it is also suitable for special occasions, such as outdoor activities and temporary places, to provide comfort and convenience for users. In this embodiment, the warm air blower 100 can be a cross-flow warm air blower 100, and the cross-flow warm air blower 100 has forward multi-wing blades, and the air flow passes through the blades, so that the air flow can reach a long distance.

[0034] Please refer to Figure 2 and Figure 3, in an embodiment provided by the present application, the heater 100 includes a housing 10, a wind wheel assembly 20, a mounting bracket 30, a driving device 40, an air duct partition 50, and a heating module 50. An air inlet 11 and an air outlet 12 are formed on the housing 10 of the heater 100. The heater 100 includes a mounting bracket 30 which has an air flow passage 31 allowing air to pass through. An air duct partition 50 is further provided in the air flow passage 31, and the air duct partition 50 divides the air flow passage 31 into a first sub-channel 311 and a second sub-channel 312. The heating module 50 includes a first heating device 61 and a second heating device 62, wherein the first heating device 61 is disposed in the first sub-channel 311 and the second heating device 62 is disposed in the second sub-channel 312. The heater 100 further includes a driving device 40. The air duct partition 50 is connected to the driving device 40 and can rotate under the drive of the driving device 40, so that the air flow driven by the wind wheel assembly 20 can flow from any one of the first sub-channel 311 and the second sub-channel 312 to the air outlet 12, and the other is blocked by the air duct partition 50. By providing a rotatable and switchable air duct partition 50, the air flow can flow through the first sub-channel 311 and the second sub-channel 312 respectively to the air outlet 12, thereby forming hot air with two different outlet temperature ranges to meet the usage requirements of different users and different environmental conditions. The heater 100 further includes a wind wheel assembly 20. The air flow passage 31 is provided between the air outlet side 212 of the wind wheel assembly 20 and the air outlet 12, that is, a single wind wheel assembly 20 can simultaneously deliver air flow to the first sub-channel 311 and the second sub-channel 312, and there is no need to provide a wind wheel assembly 20 that matches the number of sub-channels, which can save the installation space, make the structural layout of the heater 100 more compact, and is conducive to the development of the heater 100 towards a smaller volume. At the same time, the maintenance and management of a single fan assembly are more convenient, and the material and manufacturing costs can be reduced, thereby providing better cost-effectiveness.

[0035] Next, each component of the heater 100 and the specific structure of each component will be introduced one by one.

[0036] Please refer to Figure 1 and Figure 2, in this embodiment, the housing 10 is used to install components and protect the components. The installed components can be the wind wheel assembly 20, the driving device 40, the stabilizing member or other components. At the same time, the housing 10 is also used to support at the usage location of the heater 100, for example, the ground, the desktop or other support platforms. In this embodiment, the housing 10 is approximately in the shape of a rectangular frame. An air inlet 11 and an air outlet 12 are provided on the housing 10 at intervals. As an example, the air inlet 11 and the air outlet 12 are arranged opposite to each other, so as to form air convection to promote air flow. The material of the housing 10 can include ABS plastic, PC plastic or other rigid plastics. This can not only reduce the weight of the housing 10 to achieve light weight, but also enable the housing 10 to have a certain stability, so as to effectively protect the components inside the housing 10. On the other hand, the plastic material has the characteristics of low cost, good plasticity, easy processing, not easy to break, etc., and can reduce the production cost of the housing 10 and thus reduce the production cost of the lamp. It should be noted that the material of the housing 10 can also be other metal materials such as aluminum, stainless steel, copper or ceramic material, and this embodiment does not limit this. In this embodiment, the housing 10 is composed of two half-shell structures spliced together. In other embodiments, the housing 10 can also be a single shell structure or composed of multiple shell structures spliced together.

[0037] In some embodiments, the interior of the housing 10 can also be filled with a heat insulation layer (not shown in the figure). The heat insulation layer can be glass fiber cotton, polyurethane foam, rock wool, etc. The heat insulation layer has low thermal conductivity and good heat insulation performance. On the one hand, it can effectively isolate the heat exchange between the internal hot air and the external environment, reduce heat loss, and improve the energy efficiency of the heater 100. On the other hand, it can prevent the housing 10 from overheating, reduce the risk of scalding for users to touch, and at the same time can also extend the service life of the heater 100. In some embodiments, the interior of the housing 10 can also be filled with sound-absorbing materials (not shown in the figure). The sound-insulating materials can be foam, rubber, etc., so as to reduce the noise generated when the heater 100 operates, and at the same time protect the internal components from impacts during transportation and use.

[0038] Please refer to Figure 2 and Figure 3, in this embodiment, the wind wheel assembly 20 is installed inside the housing 10 and is located between the air inlet 11 and the mounting bracket 30. The wind wheel assembly 20 is used to drive the air flow and blow the air flow to the air outlet 12. Specifically, the wind wheel assembly 20 includes a cross-flow wind wheel 21. The cross-flow wind wheel 21 is in the shape of a long cylinder, and the ratio of its length to diameter is relatively large, so that a large air flow coverage area can be generated in a relatively small space, which helps to achieve continuous air flow and circulation. The cross-flow wind wheel 21 has an air inlet side 211 and an air outlet side 212 that face away from each other. The air inlet side 211 is arranged at the air inlet 11, and the air outlet side 212 is connected to the mounting bracket 30 and communicates with the air flow channel 31 therebetween. After the outside air enters the heater 100 through the air inlet 11, it enters the cross-flow wind wheel 21 from the air inlet side 211 and then flows to the air outlet 12 through the air outlet side 212 to heat the surrounding environment. The material of the cross-flow wind wheel 21 can include any one or more of the following: aluminum alloy material, metal material, engineering plastic, etc., and this embodiment does not limit this. As an example, the cross-flow wind wheel 21 is made of aluminum alloy material, so that the cross-flow wind wheel 21 has high strength and can withstand a large working load. At the same time, compared with other metal materials, the density of aluminum alloy is lower, making the cross-flow wind wheel 21 lighter in weight and convenient for installation and maintenance.

[0039] In order to improve the efficiency of air flow, in this embodiment, the wind wheel assembly 20 further includes a volute 22 and a volute tongue 23. The volute 22 and the volute tongue 23 are fixedly connected to the housing 10 or the mounting frame by means of screws, welding, etc. The end of the volute 22 and the volute tongue 23 are arranged at intervals to jointly form the air outlet side 212. Specifically, the volute 22 is connected to the mounting bracket 30 and is arranged around the outer periphery of the cross-flow wind wheel 21. The volute tongue 23 includes an annular plate 231 and a connecting plate 232. The annular plate 231 surrounds the outer periphery of the cross-flow wind wheel 21 and is arranged opposite to the volute 22. The connecting plate 232 is connected between the annular plate 231 and the mounting bracket 30. The end of the volute 22 is arranged at an interval from the connecting plate 232 to form the air outlet side 212 of the cross-flow wind wheel 21. In this embodiment, the connecting plate 232 has a curved surface section that is recessed towards the cross-flow wind wheel 21. The curved surface section can make the hot air evenly distributed in the surrounding environment, avoid local overheating, and provide a comfortable indoor environment. At the same time, the curved surface section can reduce the turbulence and eddy current in the air flow, thereby playing a noise reduction role. In addition, the distance between one end of the connecting plate 232 connecting the annular plate 231 and the volute 22 is smaller than the distance between one end of the connecting plate 232 connecting the mounting and the volute 22, so that the air outlet side 212 presents an outwardly expanding open shape. Thus, when the air flow flows from the air outlet side 212 to the air outlet 12, the flow rate of the air flow can be slowed down, and the noise generated during the air flow process can be reduced.

[0040] Please refer to Figure 3 and Figure 4In order to further improve the efficiency of air flow, the wind wheel assembly 20 may also include a first wind guide plate 24. The number of the first wind guide plates 24 is multiple. The multiple first wind guide plates 24 are arranged on the air outlet side 212 and are arranged in sequence along the direction from the end of the volute 22 to the volute tongue 23. Wind guide gaps are formed between adjacent first wind guide plates 24. The wind guide gap facilitates air to enter the mounting bracket 30 more smoothly, reduces the stagnation and accumulation of air on the first wind guide plate 24, and thus improves the efficiency of air flow. Specifically, the first wind guide plate 24 is extended along the axial direction of the crossflow wind wheel 21, so that a larger guide area can be formed, which helps to improve the flow efficiency of air. The first wind guide plate 24 has a first surface 241 and a second surface 242 that are separated from each other. The first surface 241 is recessed toward the end of the volute 22 to form a concave surface, and the second surface 242 is convex toward the volute tongue 23 to form a convex surface. The first curved air guide plate 24 can make the airflow flow more evenly to the mounting bracket 30, form an orderly airflow path, and improve the overall air circulation efficiency. At the same time, the first air guide plate can also break the vortex state of the airflow, making the airflow flow smoother.

[0041] See also Figure 2 and Figure 3 In this embodiment, the mounting bracket 30 is arranged in the housing 10. The mounting bracket 30 is used to install, fix and support various internal components to ensure the stability and safety of the components during operation. As an example, the mounting bracket 30 is used to install the heating module 50. Specifically, the mounting bracket 30 includes a first baffle 301 and a second baffle 302 separated by a bottom plate 303 and a bottom plate 303. The first baffle 301 and the second baffle 302 serve as a support member and an air guide member. The first baffle 301 and the second baffle 302 are connected to the housing 10 and extend to the side away from the housing 10 to support the housing 10. The bottom plate 303, the first baffle 301, and the second baffle 302 together form an airflow channel 31. The airflow channel 31 is located between the air outlet 12 and the air outlet side 212 of the wind wheel assembly 20 and is in communication with the air outlet 12 and the air outlet side 212.

[0042] See also Figure 2 and Figure 3, in this embodiment, the heating module 60 is disposed in the air flow channel 31. The heating module 60 is configured to heat cold air to form hot air when powered on and deliver the hot air to the outside through the air flow channel 31. Specifically, the air duct partition 50 divides the air flow channel 31 into a first sub-channel 311 and a second sub-channel 312. The heating module 50 includes a first heating device 61 and a second heating device 62. The first heating device 61 is disposed in the first sub-channel 311 to heat the air in the first sub-channel 311, and the second heating device 62 is disposed in the second sub-channel 312 to heat the air in the second sub-channel 312. The first heating device 61 and the second heating device 62 can be an electric wire heating element, a ceramic heating element, a metal electric heating tube, a positive temperature coefficient (PTC) heating element, etc., and this embodiment does not limit this. As an example, both the first heating device 61 and the second heating device 62 are PTC heating elements. The PTC heating element has the characteristics of small thermal resistance and high heat exchange efficiency, can quickly generate heat in a short time, and can improve the working efficiency of the heater 100.

[0043] It should be noted that the rated powers of the first heating device 61 and the second heating device 62 can be the same or different. Two heating modes can be formed through the cooperation of the wind wheel assembly 20 and the first heating device 61 and the second heating device 62. As an example, the rated powers of the first heating device 61 and the second heating device 62 are the same. When the first sub-channel 311 is connected to the air outlet side 212 and the air outlet 12, the wind wheel assembly 20 blows air with a lower output power, so that the air volume of the air flowing out of the first sub-channel 311 is smaller. Due to the smaller air volume, the air flow stays on the first heating device 61 for a longer time and can be heated more fully, resulting in a higher outlet air temperature. On the contrary, when the second sub-channel 312 is connected to the air outlet side 212 and the air outlet 12, the wind wheel assembly 20 blows air with a higher output power, so that the air volume of the air flowing out of the second sub-channel 312 is larger. Due to the larger air volume, the air flow stays on the second heating device 62 for a shorter time, resulting in a lower outlet air temperature. As another example, the rated powers of the first heating device 61 and the second heating device 62 can be different. For example, the rated power of the first heating device 61 is 800w, and the rated power of the second heating device 62 is 1500w. When the wind wheel assembly 20 blows air with a certain output power, the temperature of the hot air formed in the first sub-channel 311 is lower, and the temperature of the hot air formed in the second sub-channel 312 is lower.

[0044] In this embodiment, the air duct partition 50 is disposed in the air flow channel 31 and connected to the driving device 40. The air duct partition 50 rotates under the drive of the driving device 40. When the air duct partition 50 rotates to different positions, one of the first sub-channel 311 and the second sub-channel 312 will communicate the air outlet side 212 and the air outlet 12, so as to guide the air flow driven by the impeller assembly 20 to flow to the air outlet 12 through one of the first sub-channel 311 and the second sub-channel 312, and block the air flow from flowing to the air outlet 12 through the other of the first sub-channel 311 and the second sub-channel 312. At the same time, a single cross-flow impeller 21 can deliver air flow to both the first sub-channel 311 and the second sub-channel 312 simultaneously, eliminating the need to provide an impeller assembly 20 that matches the number of sub-channels, saving installation space, making the structure layout of the heater 100 more compact, and facilitating the development of the heater 100 towards a smaller size. At the same time, the maintenance and management of a single fan assembly are more convenient, and the material and manufacturing costs can be reduced, thereby providing better cost-effectiveness.

[0045] Please refer to Figure 5 , in this embodiment, the extending directions of the first baffle 301 and the second baffle 302 from the air inlet side 211 to the air outlet 12 contribute to guiding the air flow from the impeller assembly 20 to the air flow channel 31 and then discharging it from the air outlet 12, ensuring the consistency and controllability of the air flow direction. Specifically, the first baffle 301 has a first end 3011 and a second end 3012 facing away from each other. The first end 3011 is connected to the air outlet side 212, specifically, it can be a connecting plate 232 connected to the volute tongue 23, and the second end 3012 extends to the air outlet 12. The second baffle 302 has a third end 3021 and a fourth end 3022 facing away from each other. The third end 3021 is connected to the air outlet side 212, specifically, it can be connected to the volute 22, and the fourth end 3022 extends to the air outlet 12. The first heating device 61 and the second heating device 62 can be arranged in the direction from the first baffle 301 to the second baffle 302. The air duct partition 50 is connected between the first heating device 61 and the second heating device 62, and contacts any one of the first end 3011, the second end 3012, the third end 3021, and the fourth end 3022 under the drive of the driving device 40 to communicate the first sub-channel 311 or the second sub-channel 312 with the air outlet side 212 and the air outlet 12.

[0046] Please refer to Figure 5 and Figure 6, specifically, the heating module 50 has a first side and a second side. The first side is the side of the heating module 50 facing the air inlet side 211 of the wind wheel, and the first end 3011 and the third end 3021 are located on the first side. The second side is the side of the heating module 50 facing the air outlet 12, and the second end 3012 and the fourth end 3022 are located on the second side. The air duct partition 50 can be arranged facing the first side or the second side, and this embodiment does not limit this. As an example, the air duct partition 50 may include a first plate body 51. The first plate body 51 is configured to rotate under the drive of the driving device 40 and realize the communication between the air outlet side 212, the air outlet 12 and the first sub-channel 311 or the second sub-channel 312. The first plate body 51 has two opposite ends. One end of the first plate body 51 is connected between the first heating device 61 and the second heating device 62, and the other end extends towards the first side and is connected to the first end 3011 under the drive of the driving device 40 to close the first sub-channel 311. At this time, the second sub-channel 312, the air outlet side 212, and the air outlet 12 communicate with each other. The airflow generated by the wind wheel assembly 20 enters the second sub-channel 312 from the air outlet side 212, and after being heated by the second heating device 62 to form hot air, it flows out from the air outlet 12. Conversely, the first baffle 301 contacts the third end 3021 under the drive of the driving device 40 to close the second sub-channel 312. At this time, the first sub-channel 311, the air outlet side 212, and the air outlet 12 communicate with each other. The airflow generated by the wind wheel assembly 20 enters the first sub-channel 311 from the air outlet side 212, and after being heated by the first heating device 61 to form hot air, it flows out from the air outlet 12. As another example, the first baffle 301 may also extend towards the second side. Specifically, one end of the first baffle 301 is connected between the first heating device 61 and the second heating device 62, and the other end extends towards the second side and is connected to the second end 3012 under the drive of the driving device 40 to close the first sub-channel 311. At this time, the second sub-channel 312, the air outlet side 212, and the air outlet 12 communicate with each other. The airflow generated by the wind wheel assembly 20 enters the second sub-channel 312 from the air outlet side 212, and after being heated by the second heating device 62 to form hot air, it flows out from the air outlet 12. Conversely, the first baffle 301 contacts the fourth end 3022 under the drive of the driving device 40 to close the second sub-channel 312. At this time, the first sub-channel 311, the air outlet side 212, and the air outlet 12 communicate with each other. The airflow generated by the wind wheel assembly 20 enters the first sub-channel 311 from the air outlet side 212, and after being heated by the first heating device 61 to form hot air, it flows out from the air outlet 12.

[0047] It can be understood that the switching method of the first sub-channel 311 and the second sub-channel 312 is not limited to the contact between the first plate body 51 and the first end 3011, the second end 3012, the third end 3021, and the fourth end 3022. The first plate body 51 can also close the first sub-channel 311 or the second sub-channel 312 by contacting the inner surfaces of the first baffle 301 and the second baffle 302. Further, in some other embodiments, in order to further increase the air volume and adjust the air outlet temperature, the first baffle 301 can be rotated to not contact the first baffle 301 and the second baffle 302, so that both the first sub-channel 311 and the second sub-channel 312 are communicated with the air outlet side 212 and the air outlet 12. Thus, the airflow generated by the air wheel assembly 20 can enter the first sub-channel 311 and the second sub-channel 312 respectively, and after being heated by the first heating device 61 and the second heating device 62 respectively, it is conveyed to the air outlet 12. Through the cooperation of the first baffle 301 and the driving device 40, the switching of the first sub-channel 311 and the second sub-channel 312 can be realized, so that the heater 100 has multiple air outlet modes, can meet different ventilation or temperature requirements, and improve the comfort during use.

[0048] Please refer to Figure 7, in order to further guide the air flow, the air duct partition 50 may further include a second plate body 52. The second plate body 52 is disposed opposite to the first plate body 51 and can rotate under the drive of the drive device 40 and cooperate with the first plate body 51, the first baffle 301, and the second baffle 302. The second plate body 52 is used to rotate under the drive of the drive device 40 and realize the communication between the air outlet side 212, the air outlet 12, and the first sub-channel 311 or the second sub-channel 312. Specifically, the second plate body 52 has two opposite ends. One end of the second plate body 52 is connected between the first heating device 61 and the second heating device 62, and the other end extends toward the first side or the second side and closes the first sub-channel 311 or the second sub-channel 312 under the drive of the drive device 40. As an example, when the first plate body 51 extends toward the first side and is connected to the first end 3011, the second plate body 52 extends toward the second side and is connected to the second end 3012. At this time, the first sub-channel 311 is completely closed, and the second sub-channel 312, the air outlet side 212, and the air outlet 12 communicate with each other. Similarly, when the first plate body 51 extends toward the first side and is connected to the third end 3021, the second plate body 52 extends toward the second side and is connected to the fourth end 3022. At this time, the second sub-channel 312 is completely closed, and the first sub-channel 311, the air outlet side 212, and the air outlet 12 communicate with each other. As another example, when the first plate body 51 extends toward the second side and is connected to the second end 3012, the second plate body 52 extends toward the first side and is connected to the first end 3011. At this time, the first sub-channel 311 is completely closed, and the second sub-channel 312, the air outlet side 212, and the air outlet 12 communicate with each other. Similarly, when the first plate body 51 faces the second side and is connected to the fourth end 3022, the second plate body 52 extends toward the first side and is connected to the third end 3021. At this time, the second sub-channel 312 is completely closed, and the first sub-channel 311, the air outlet side 212, and the air outlet 12 communicate with each other.

[0049] Please refer to Figure 2 and Figure 8 and Figure 9, in this embodiment, the driving device 40 is arranged outside the air flow channel 31, and specifically, it can be installed on the bottom plate 303 or at other positions of the housing 10. The driving device 40 is used to drive the air duct partition 50 to rotate. Specifically, the driving device 40 includes a driving member 41 and a first rotating shaft 42. The driving member 41 can be a component or part that generates power, such as a driving motor, a motor, an air pump, etc. As an example, the output shaft of the driving motor is connected to the first rotating shaft 42 and is coaxially arranged with the first rotating shaft 42. One end of the first plate body 51 close to the heating module 50 is connected to the first rotating shaft 42, and the driving member 41 drives the first rotating shaft 42 to rotate and drives the first plate body 51 to rotate. In this embodiment, the driving device 40 may further include a second rotating shaft 43, and the second rotating shaft 43 is connected between the driving member 41 and the second plate body 52. The driving member 41 can drive the first rotating shaft 42 and the second rotating shaft 43 to rotate simultaneously.

[0050] It should be noted that the rotation directions of the first rotating shaft 42 and the second rotating shaft 43 are opposite to ensure that the first plate body 51 and the second plate body 52 can move towards each other. Specifically, in some embodiments, the driving device 40 may further include an input gear 44, a first output gear 45, and a second output gear 46. The input gear 44 is connected to the output shaft of the driving member 41, the first output gear 45 meshes with the input gear 44, the first rotating shaft 42 is connected to the first output gear 45, the second output gear 46 meshes with the first output gear 45, and the second output gear 46 is connected to the first output gear 45. By setting the cooperation of the input gear 44, the first output gear 45, the second output gear 46, and the driving member 41, the first plate body 51 and the second plate body 52 can move towards each other, ensuring the synchronization of the movement of the first plate body 51 and the second plate body 52 and improving the operation accuracy. In addition, compared with using two independent driving members 41 to drive the first plate body 51 and the second plate body 52 respectively, using a single driving member 41 can save installation space and production costs.

[0051] In some other embodiments, in order to improve the stability of the movement of the first plate body 51 and the second plate body 52, a first limiting portion 501 and a second limiting portion 502 may further be provided on the first plate body 51 and the second plate body 52. Specifically, when the driving device 40 is installed on the bottom plate 303, the bottom plate 303 is provided with a first sliding groove 3031 and a second sliding groove 3031. The limiting portion 501 can slide in the first sliding groove 3031 and the second sliding groove 3032 to ensure that the first plate body 51 and the second plate body 52 maintain the correct position and alignment during the movement, so as to ensure the accuracy of the mechanical system. As an example, a first limiting portion 501 protrudes from one side of the first plate body 51 facing the bottom plate 303. The first sliding groove 3031 extends along the rotation path of the first plate body 51, and at least a part of the first limiting portion 501 is accommodated in the first sliding groove. The first limiting portion 501 may be a guide post, a ball or other guiding members, and the guiding method is not limited to sliding or rolling, and the friction and wear of the components during the movement are reduced. The specific structure of the first limiting portion 501 is not limited in this embodiment. Similarly, a second limiting portion 502 protrudes from one side of the second plate body 52 facing the bottom plate 303. The second sliding groove extends along the rotation path of the second plate body 52, and at least a part of the second limiting portion 502 on the second plate body 52 is accommodated in the second sliding groove, so as to limit the rotation path of the second plate body 52 and improve the rotation stability.

[0052] Please refer to Figure 10 , in order to further improve the air flow efficiency and the air outlet uniformity, the heater 100 may further include an air outlet grille 70. The air outlet grille 70 is detachably connected to the housing 10 and installed at the air outlet 12, which is convenient for cleaning and maintenance management. At the same time, the air outlet grille 70 can serve as a physical barrier to prevent dust and other foreign objects from entering the interior of the heater 100 and protect the device; at the same time, it is also used to prevent users from directly contacting the internal components of the heater 100 and reduce the risk of scalding. In this embodiment, the air outlet grille 70 includes a plurality of second air guide plates 71, and the plurality of second air guide plates 71 are arranged at intervals along the width direction of the air outlet 12 for guiding the air flow. By providing a plurality of second air guide plates 71, the air flow uniformity can be improved, ensuring a more balanced temperature distribution in the room. In addition, it helps to reduce the turbulence during air flow, thereby reducing the noise. In some embodiments, the plurality of second air guide plates 71 can be adjusted independently or cooperatively to allow the user to direct the warm air in different directions according to needs. Similarly, the heater 100 may further include an air inlet grille, and the air inlet grille is arranged at the air inlet 11 for guiding the air flow. The structure of the air inlet grille may be similar to the structure of the air outlet grille 70, and specific description is not made in this embodiment.

[0053] In summary, an air heater 100 provided by an embodiment of the present application has an air inlet 11 and an air outlet 12 formed on a housing 10 of the air heater 100. The air heater 100 includes a mounting bracket 30 having an air flow channel 31 that allows air to pass through. A duct partition 50 is further provided in the air flow channel 31. The duct partition 50 divides the air flow channel 31 into a first sub-channel 311 and a second sub-channel 312. A first heating device 61 is disposed in the first sub-channel 311, and a second heating device 62 is disposed in the second sub-channel 312. The duct partition 50 is connected to a driving device 40 and can rotate under the drive of the driving device 40, so that the air flow driven by the wind wheel assembly 20 can flow from any one of the first sub-channel 311 and the second sub-channel 312 to the air outlet 12, and the other is blocked by the duct partition 50. By providing the rotatable and switchable duct partition 50, the air flow can respectively flow through the first sub-channel 311 and the second sub-channel 312 to the air outlet 12, thereby forming two air outlet channels to meet the usage requirements of different users and different environmental conditions. The air heater 100 further includes a wind wheel assembly 20. The air flow channel 31 is disposed between the air outlet side 212 of the wind wheel assembly 20 and the air outlet 12, that is, a single wind wheel assembly 20 can simultaneously deliver air flow to the first sub-channel 311 and the second sub-channel 312. It is not necessary to provide a wind wheel assembly 20 that matches the number of sub-channels, which can save installation space, make the structural layout of the air heater 100 more compact, and is conducive to the development of the air heater 100 in a smaller volume. At the same time, the maintenance and management of a single fan assembly are more convenient, and the material and manufacturing costs can be reduced, thereby providing better cost-effectiveness.

[0054] In the description of this specification, the description referring to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0055] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0056] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present application.

Claims

1. A heater, characterized in that, Comprising: A housing having spaced apart air inlets and air outlets; An impeller assembly disposed within the housing; A mounting bracket disposed within the housing, the mounting bracket having an air flow passage located between the air outlet and the air outlet side of the impeller assembly; A driving device connected to the housing; An air duct partition disposed within the air flow passage and connected to the driving device, the air duct partition partitioning the air flow passage into a first sub-channel and a second sub-channel; And A heating module including a first heating device and a second heating device, the first heating device being disposed in the first sub-channel and the second heating device being disposed in the second sub-channel; The air duct partition is configured to, under the drive of the driving device, connect one of the first sub-channel and the second sub-channel to the air outlet side and the air outlet to guide the air flow driven by the impeller assembly to flow to the air outlet through one of the first sub-channel and the second sub-channel, and block the air flow from flowing to the air outlet through the other of the first sub-channel and the second sub-channel.

2. The heater according to claim 1, characterized in that, The mounting bracket includes a first baffle and a second baffle, the first baffle and the second baffle being spaced apart, and the air flow passage being located between the first baffle and the second baffle; the first heating device and the second heating device are arranged in a direction from the first baffle to the second baffle, and the air duct partition is connected between the first heating device and the second heating device.

3. The heater according to claim 2, characterized in that The first baffle has a first end and a second end facing away from each other, the first end being connected to the air outlet side and the second end extending to the air outlet; the second baffle has a third end and a fourth end facing away from each other, the third end being connected to the air outlet side and the fourth end extending to the air outlet; The air duct partition includes a first plate body connected to the driving device, one end of the first plate body being connected between the first heating device and the second heating device, and the other end contacting the first end or the third end under the drive of the driving device, so that one of the first sub-channel and the second sub-channel connects the air outlet side and the air outlet.

4. The heater according to claim 3, characterized in that, The air duct partition further includes a second plate body connected to the driving device, one end of the second plate body being connected to the first plate body, and the other end contacting the second end or the fourth end under the drive of the driving device, so that one of the first sub-channel and the second sub-channel connects the air outlet side and the air outlet.

5. The heater according to claim 4, characterized in that, The driving device is disposed outside the air flow passage, and the driving device includes a driving member, a first rotating shaft, and a second rotating shaft. The first rotating shaft is connected between the driving member and the first plate body, and the driving member drives the first rotating shaft to rotate to drive the first plate body to rotate; the second rotating shaft is connected between the driving member and the second plate body, and the driving member drives the second rotating shaft to rotate to drive the second plate body to rotate.

6. The heater as claimed in claim 5, wherein, The mounting bracket includes a bottom plate, and the bottom plate is connected between the first baffle and the second baffle; the bottom plate is provided with a first chute, the first chute extends along the rotation path of the first plate body, and a first limiting portion is convexly provided on the first plate body, and at least a part of the first limiting portion is received in the first chute; or / and The bottom plate is provided with a second chute, the second chute extends along the rotation path of the second plate body, and a second limiting portion is convexly provided on the second plate body, and at least a part of the second limiting portion is received in the second chute.

7. The heater according to claim 5, characterized in that, The driving device further includes an input gear, a first output gear, and a second output gear. The input gear is connected to the output shaft of the driving member, the first output gear meshes with the input gear, the second output gear meshes with the first output gear, the first rotating shaft is connected to the first output gear, and the second rotating shaft is connected to the second output gear.

8. The heater as claimed in claim 1, wherein The wind wheel assembly includes a volute, a volute tongue, and a cross-flow wind wheel. The volute is connected to the mounting bracket and is disposed around the outer periphery of the cross-flow wind wheel; the end of the volute and the volute tongue are spaced apart to jointly define the air outlet side.

9. The heater according to claim 8, characterized in that, The wind wheel assembly further includes a plurality of first air guide plates. The plurality of first air guide plates are disposed on the air outlet side, and the plurality of first air guide plates are sequentially arranged at intervals along the direction from the end of the volute to the volute tongue.

10. The air heater according to claim 9, characterized in that, The first air guide plate has a first surface and a second surface facing away from each other. The first surface faces the end of the volute, and the second surface faces the volute tongue. The first surface is a concave curved surface, and the second surface is a convex curved surface.

11. The heater according to claim 1, characterized in that, The heater further includes an air outlet grille. The air outlet grille is connected to the housing and is installed at the air outlet. The air outlet grille includes a plurality of second air guide plates. The plurality of second air guide plates are arranged at intervals along the width direction of the air outlet, and the second air guide plates are used to guide the air flow.

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