Multifunctional heating and ventilating fan

Abstract

The utility model discloses a multifunctional heating ventilation fan, including frame main part, first fan and at least one heating plate, this frame main part is equipped with the frame air inlet and frame air outlet for with first space intercommunication, this first fan sets up in the frame main part and is located the frame air inlet top, this first fan air inlet end is connected with the frame air inlet, at least one heating plate sets up in the frame main part and is located the frame air outlet or the frame air outlet top, this first fan air outlet end is connected with the heating plate, thereby, the utility model discloses using heating plate to replace traditional PTC heating module, when cold air passes through heating plate, its wind resistance is smaller, and then guarantees the air quantity and wind speed at the air outlet, thereby has promoted user use experience.

Description

Technical Field

[0001] This utility model relates to the field of bathroom heater technology, and in particular to a multifunctional heating and ventilation fan. Background Technology

[0002] Bathroom heaters are the preferred heating device for many families when showering. Bathroom heaters sold on the market can be divided into three types according to their heating principle: bulb-type bathroom heaters, PTC-type bathroom heaters, and far-infrared heat wave bathroom heaters. Among them, PTC-type bathroom heaters use PTC ceramic heating elements as the heat source, and are favored by the market for their advantages such as rapid heating, high thermal efficiency, no light emission, no open flame, and long service life.

[0003] The PTC heating modules used in existing PTC series bathroom heaters have a high density. When cold air passes through the PTC heating module, the wind resistance is large, and the wind power is significantly reduced, resulting in a decrease in air volume and speed at the air outlet, which affects the diffusion of warm air. Utility Model Content

[0004] In order to overcome the shortcomings of the existing technology, the purpose of this utility model is to provide a multi-functional heating and ventilation fan, which replaces the traditional PTC heating module with a large-area heating plate. When the cold air passes through the heating plate, its wind resistance is small, thereby ensuring the air volume and wind speed at the air outlet, thus improving the user experience.

[0005] The objective of this utility model is achieved through the following technical solution:

[0006] A multi-functional heating and ventilation fan, comprising:

[0007] The main frame has an air inlet and an air outlet for connecting with the first space;

[0008] A first fan is disposed within the main frame body and located above the air inlet of the frame; the air inlet of the first fan is connected to the air inlet of the frame.

[0009] At least one heating plate is disposed within the frame body and located at or above the frame air outlet; the air outlet of the first fan is connected to the heating plate.

[0010] As an optional implementation, the frame air outlet includes a first frame air outlet and a second frame air outlet, and the frame air inlet, the first frame air outlet and the second frame air outlet are arranged sequentially along the length of the frame body.

[0011] The heating plate is located at or above the first air outlet of the frame.

[0012] As an optional implementation, when the heating plate is located at the first air outlet of the frame, a heating zone is formed inside the frame body, and the heating zone is connected to the air outlet of the first fan and the second air outlet of the frame.

[0013] As an optional implementation, when the heating plate is located above the first air outlet of the frame, a first heating zone and a second heating zone are formed inside the frame body. The first heating zone is connected to the first fan outlet and the second air outlet of the frame, respectively, and the second heating zone is connected to the first fan outlet and the first air outlet of the frame, respectively.

[0014] As an optional implementation, it also includes a louver disposed at the first air outlet of the frame, wherein the central area of ​​the louver is provided with a microporous structure.

[0015] As an optional implementation, it also includes rotating a first air valve disposed at the air outlet of the first fan. The first air valve has a first position and a second position. When the first air valve is rotated to the first position, the air outlet of the first fan is connected to the second heating zone; when the first air valve is rotated to the second position, the air outlet of the first fan is not connected to the second heating zone.

[0016] As an optional implementation, when the heating plate is a carbon fiber plate or a graphene plate, the first air outlet of the frame has a through-hole structure.

[0017] As an optional implementation, a ventilation port is also provided on the side of the frame body away from the first fan, the ventilation port being used to communicate with the second space, wherein:

[0018] It also includes a second air valve that is rotatably disposed at the air exchange port. The second air valve has a third position and a fourth position. When the second air valve is rotated to the third position, the air exchange port is closed; when the second air valve is rotated to the fourth position, the air exchange port is opened.

[0019] As an optional implementation, an upper air inlet area is formed at the top of the first fan, and the upper air inlet area is connected to the first heating area, wherein:

[0020] It also includes a third air valve that is rotatably disposed at the air outlet of the first fan. The third air valve has a fifth position and a sixth position. When the third air valve is rotated to the fifth position, the air outlet of the first fan is connected to the first heating zone, and the first heating zone is not connected to the upper air inlet zone. When the third air valve is rotated to the sixth position, the air outlet of the first fan is not connected to the first heating zone, and the first heating zone is connected to the upper air inlet zone.

[0021] As an optional implementation, when the first air valve rotates to the first position, the second air valve rotates to the third position, and the third air valve rotates to the fifth position, under the action of the first fan and the heating plate, the air in the first space enters the frame body through the frame air inlet, part of the air enters the second heating zone and is heated, and then blown back into the first space through the frame first air outlet, and the other part of the air enters the first heating zone and is heated, and then blown back into the first space through the frame second air outlet.

[0022] As an optional implementation, when the first air valve rotates to the second position, the second air valve rotates to the third position, and the third air valve rotates to the fifth position, under the action of the first fan and the heating plate, the air in the first space enters the first heating zone through the air inlet of the frame and is heated, and then blown out back into the first space through the second air outlet of the frame.

[0023] As an optional implementation, when the first air valve rotates to the second position, the second air valve rotates to the fourth position, and the third air valve rotates to the fifth position, under the action of the first fan, the air in the first space enters the frame body through the frame air inlet, then flows through the first heating zone and is blown out to the second space through the ventilation port.

[0024] As an optional implementation, when the first air valve rotates to the first position, the second air valve rotates to the third position, and the third air valve rotates to the sixth position, under the action of the first fan, the air in the second space enters the frame body through the ventilation port, flows sequentially through the first heating zone, the upper air inlet zone, and the second heating zone, and is blown out to the first space through the first air outlet of the frame.

[0025] As an optional implementation, the first fan is a centrifugal fan and includes a volute and an impeller assembly housed within the volute. The impeller assembly includes a centrifugal impeller and a drive motor for driving the centrifugal impeller to rotate. The bottom of the volute has a first air inlet that communicates with the air inlet of the frame, and the top of the volute has a second air inlet that communicates with the upper air inlet area. Both the first air inlet and the second air inlet form the air inlet end of the first fan.

[0026] The volute has an air outlet facing the heating plate on its side. The air outlet is connected to the first heating zone and the second heating zone, and forms the air outlet of the first fan.

[0027] As an optional implementation, a second fan is also included, which is disposed inside the frame body and located above the second air outlet of the frame; under the action of the second fan, the air in the first heating zone is blown out of the second air outlet of the frame by the second fan.

[0028] As an optional implementation, the second fan is a cross-flow fan, and the axis of the first fan is perpendicular to the axis of the second fan.

[0029] As an optional implementation, the heating plate is a single, horizontally arranged plate, with the upper surface of the heating plate heated to form the first heating area and the lower surface of the heating plate heated to form the second heating area.

[0030] As an optional implementation, two heating plates are provided, both arranged horizontally, wherein:

[0031] The two heating plates are arranged parallel to each other at intervals. The upper end surface of the upper heating plate heats up to form the first heating area, the lower end surface of the lower heating plate heats up to form the second heating area, and both the lower end surface of the upper heating plate and the upper end surface of the lower heating plate heat up to form the third heating area.

[0032] As an optional implementation, the heating plate includes a mounting bracket and at least one heating element disposed on the mounting bracket, the heating element being arranged vertically or horizontally.

[0033] As an optional implementation, multiple heating elements are provided, and all of the multiple heating elements are arranged along the air outlet direction of the first fan, wherein:

[0034] A portion of the multiple heating elements is arranged vertically, while another portion is arranged horizontally, and the vertically arranged heating elements and the horizontally arranged heating elements are arranged alternately in sequence.

[0035] As an optional implementation, the plurality of heating elements each have different temperature settings.

[0036] In summary, this utility model has the following technical effects:

[0037] (1) The multifunctional heating and ventilation fan of this utility model replaces the traditional PTC heating module with a heating plate. When the cold air passes through the heating plate, its wind resistance is small, thus ensuring the air volume and wind speed at the air outlet, thereby improving the user experience.

[0038] (2) The multifunctional heating and ventilation fan of this utility model forms a first heating zone and a second heating zone arranged vertically inside the frame body under the action of the heating plate. Under the action of the first fan, a part of the air enters into the second heating zone and is heated and then discharged from the first air outlet of the frame, thereby achieving rapid heating of the first area; another part of the air enters into the first heating zone and is heated and then discharged from the second air outlet of the frame, thereby achieving rapid heating of the second area. Therefore, by forming the first heating zone and the second heating zone, the heating and warming of the first area and the second area can be achieved simultaneously, thereby providing users with a variety of heating modes.

[0039] (3) The multifunctional heating and ventilation fan of this utility model has a louver at the first air outlet of the frame, and the central area of ​​the louver has a microporous structure. In this way, when the gas flows through the microporous structure, it can be diverted and dispersed, avoiding the hot air blowing directly on the user and causing discomfort, thus achieving windless heating and improving the user's bathing comfort.

[0040] (4) The multifunctional heating and ventilation fan of this utility model can switch between single-zone heating or dual-zone heating modes by setting a first air valve to control whether the air outlet of the first fan is connected to the second heating zone, thereby adapting to different usage scenarios.

[0041] (5) When the multifunctional heating and ventilation fan of this utility model uses carbon fiber plate or graphene plate as heating plate, the far-infrared rays emitted by the heating plate can directly pass through the first air outlet of the frame and irradiate the user's skin surface. Due to the strong permeability of far-infrared spectrum, it can deeply heat the skin, thereby effectively improving blood circulation, relieving pain, and achieving the effect of physical therapy.

[0042] (6) The multifunctional heating and ventilation fan of this utility model provides fresh air to the first space by setting an upper air intake area above the top of the first fan and allowing the air in the second space to enter the frame body through the ventilation port under the action of the first fan. The air then flows through the first heating area, the upper air intake area and the second heating area in sequence and is finally discharged from the first air outlet of the frame to the first space. Attached Figure Description

[0043] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0044] Figure 1 This is an exploded schematic diagram of the first embodiment of the multifunctional heating and ventilation fan of this utility model;

[0045] Figure 2 for Figure 1 An illustration of the explosion from another perspective;

[0046] Figure 3 This is a schematic diagram of the structure of the multifunctional heating and ventilation fan according to the first embodiment of this utility model;

[0047] Figure 4 This is a cross-sectional schematic diagram of the first embodiment of the multifunctional heating and ventilation fan of this utility model;

[0048] Figure 5 This is a cross-sectional schematic diagram of the multifunctional heating and ventilation fan of the first embodiment of the present invention in dual-zone heating mode (both the first heating zone and the second heating zone are air intake);

[0049] Figure 6 This is a cross-sectional schematic diagram of the multifunctional heating and ventilation fan of the first embodiment of the present invention in a single-zone centralized heating mode (air intake in the first heating zone and no air intake in the second heating zone);

[0050] Figure 7 This is a cross-sectional schematic diagram of the multifunctional heating and ventilation fan of the first embodiment of the present invention in ventilation mode;

[0051] Figure 8 This is a cross-sectional schematic diagram of the multifunctional heating and ventilation fan in the fresh air mode according to the first embodiment of this utility model;

[0052] Figure 9 This is a partial structural diagram of the multifunctional heating and ventilation fan of the present invention, in which the heating plate is located at the first air outlet of the frame.

[0053] Figure 10 This is a partial internal structure diagram of the multifunctional heating and ventilation fan according to the second embodiment of the present invention;

[0054] Figure 11 This is a cross-sectional schematic diagram of the second embodiment of the multifunctional heating and ventilation fan of the present invention in dual-zone heating mode (both the first heating zone and the second heating zone are air intake);

[0055] Figure 12 This is a partial internal structure diagram of the multifunctional heating and ventilation fan according to the third embodiment of this utility model;

[0056] Figure 13 This is a partial internal structure diagram of the multifunctional heating and ventilation fan according to the fourth embodiment of this utility model;

[0057] Figure 14 This is a partial internal structure diagram of the multifunctional heating and ventilation fan according to the fifth embodiment of this utility model;

[0058] Figure 15This is a partial internal structure diagram of the multifunctional heating and ventilation fan according to the sixth embodiment of this utility model.

[0059] The meanings of the reference numerals in the attached figures are as follows:

[0060] 1. Frame main body; 11. Frame air inlet; 12. Frame first air outlet; 13. Frame second air outlet; 14. Ventilation port; 15. Louver; 151. Microporous structure; 2. First fan; 21. Volute; 211. Volute first air inlet; 212. Volute second air inlet; 213. Volute air outlet; 22. Centrifugal impeller; 3. Heating plate; 31. Mounting bracket; 311. Opening; 312. Folding plate; 32. Heating element; 4. Air guide section; 41. Air guide plate; 42. Rotating shaft; 5. First air valve; 51. First plate-shaped main body; 52. First rotating shaft section; 6. Second air valve; 61. Second plate-shaped main body; 62. Second rotating shaft section; 7. Third air valve; 71. Third plate-shaped main body; 72. Third rotating shaft section; 8. Second fan. Detailed Implementation

[0061] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0062] In this invention, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this invention and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0063] Furthermore, in addition to indicating direction or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this utility model according to the specific circumstances.

[0064] Furthermore, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this utility model based on the specific circumstances.

[0065] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, elements, or components (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, elements, or components. Unless otherwise stated, "a plurality of" means two or more.

[0066] The technical solution of this utility model will be further described below with reference to the embodiments and accompanying drawings.

[0067] Example 1

[0068] Combination Figures 1 to 8 As shown, this application discloses a multifunctional heating and ventilation fan, such as a bathroom heater installed in a bathroom, which is positioned at the top of a first space. This multifunctional heating and ventilation fan can provide heating, ventilation, and fresh air to the first space. Specifically, the multifunctional heating and ventilation fan includes a frame body 1, a first fan 2, and a heating plate 3. The frame body 1 has a rectangular frame structure, and its bottom has a frame air inlet 11 and a frame air outlet, both of which are connected to the first space. The first fan 2 is installed inside the frame body 1 and above the frame air inlet 11, with the air inlet end of the first fan 2 connected to the frame air inlet 11. The heating plate 3 is horizontally installed inside the frame body 1 and above the frame air outlet, with the air outlet end of the first fan 2 connected to the heating plate 3.

[0069] Thus, under the action of the first fan 2 and the heating plate 3, the air in the first space can enter the interior of the frame body 1 through the frame air inlet 11, and then be blown onto the heating plate 3 by the first fan 2 for heating. The heated air can be discharged back into the first space from the frame air outlet, thereby achieving heating and warmth for the first space.

[0070] This utility model of a multi-functional heating and ventilation fan replaces the traditional PTC heating module with a heating plate 3. When the cold air passes through the heating plate 3, its wind resistance is small, thus ensuring the air volume and wind speed at the air outlet and improving the user experience.

[0071] More specifically, the frame air outlet includes a first frame air outlet 12 and a second frame air outlet 13. The frame air inlet 11, the first frame air outlet 12, and the second frame air outlet 13 are arranged sequentially at intervals along the length of the frame body 1. The heating plate 3 includes a horizontally arranged single heating element 32. Both the upper and lower surfaces of the heating element 32 can generate heat, thereby dividing the interior of the frame body 1 into a first heating zone at the top and a second heating zone at the bottom. The air outlet of the first fan 2 is connected to both the first and second heating zones. The second heating zone is connected to the first frame air outlet 12, and the first heating zone is connected to the second frame air outlet 13.

[0072] Preferably, the first space is a bathroom, which includes a wet area and a dry area. The shower side is located in the wet area, and the air inlet 11 and the first air outlet 12 of the frame are both connected to the wet area. The changing side is located in the dry area, and the first air outlet 13 of the frame is connected to the dry area.

[0073] Therefore, when the first fan 2 and heating element 32 are activated, air in the wet area of ​​the bathroom can enter the frame body 1 through the frame air inlet 11, and then be discharged to the heating area through the air outlet of the first fan 2. Part of the air enters the second heating area and is heated by the lower surface of the heating element 32 before being discharged to the wet area from the first air outlet 12, thus achieving rapid heating of the wet area. The other part of the air enters the first heating area and is heated by the upper surface of the heating element 32 before being discharged to the dry area from the second air outlet 13, thus achieving rapid heating of the dry area (airflow direction as follows). Figure 5 As shown in the image, the bathroom heater can heat both the wet and dry areas simultaneously.

[0074] Therefore, by utilizing the characteristic that both the upper and lower surfaces of a single heating element 32 can generate heat, the interior of the frame body 1 can be divided into a first heating zone and a second heating zone, thereby forming a dual heating channel and achieving simultaneous heating of the dry and wet areas of the bathroom. The multifunctional heating and ventilation fan of this utility model can achieve simultaneous heating of the dry and wet areas of the bathroom by using a single heating plate 3, which not only reduces the number of parts and lowers the hardware cost, but also has a simpler structure and lower manufacturing process requirements.

[0075] In this embodiment, the frame body 1 consists of a rectangular frame with a bottom opening and a face mask covering the bottom of the rectangular frame. The frame air inlet 11, the frame first air outlet 12 and the frame second air outlet 13 are all opened on the face mask. Thus, by splitting the frame body 1 into two parts, it is not only convenient to process, but also convenient to install and disassemble other components.

[0076] Preferably, the air inlet 11 of the frame is a grille, which can not only reduce dust, insects and other pests from entering the bathroom heater, but also block some water from splashing in, thereby extending its service life.

[0077] Preferably, the heating plate 3 is located in the middle of the frame body 1. In this way, the heating plate 3 can divide the interior of the frame body 1 into a first heating zone and a second heating zone of uniform size, ensuring that the airflow entering the first heating zone and the second heating zone is the same. This ensures that the airflow and temperature discharged from the first air outlet 12 and the second air outlet 13 of the frame are consistent, avoiding large temperature differences.

[0078] Combination Figures 2 to 3 As shown, the system also includes a louver 15 located at the first air outlet 12 of the frame. The central area of ​​the louver 15 has a microporous structure 151, and its surrounding area is an inclined air guide grille. Preferably, the microporous structure 151 is a rectangular array of small holes. Thus, when a portion of the air flows through the microporous structure 151, it can be diverted and dispersed, thereby preventing hot air from blowing directly on the user and causing discomfort, achieving windless heating and improving the user's bathing comfort. When another portion of the air flows through the surrounding air guide grille, it can flow evenly to various areas within the wet zone, thereby achieving uniform heating of various areas within the wet zone.

[0079] In this embodiment, the louver 15 is integrally formed at the first air outlet 12 of the frame; of course, in other embodiments, the louver 15 can also be set as a detachable structure and fixed at the first air outlet 12 of the frame by snap-fit ​​or screw-fit, and there is no limitation on this.

[0080] Furthermore, it also includes a rotatable air guide 4 located at the second air outlet 13 of the frame, which can open or close the second air outlet 13 of the frame. Specifically, the air guide 4 is open on both radial sides, and multiple air guide plates 41 are arranged at intervals along its length inside the air guide 4, forming a through air guide channel between adjacent air guide plates 41; the air guide 4 includes an upper support plate and a lower support plate arranged at intervals, with the upper and lower support plates evenly spaced along the length of the air guide plates 41; when the air guide 4 is rotated to a horizontal state, the lower support plate in the air guide 4 closes the second air outlet 13 of the frame (e.g., Figure 3 As shown), at this time, air cannot be discharged through the second air outlet 13 of the frame; when the air guide 4 is rotated to a vertical position, several air guide channels are connected to the second air outlet 13 of the frame, and air can be discharged from the second air outlet 13 of the frame through several air guide channels (as shown). Figure 5 , Figure 6 (As shown).

[0081] Preferably, several air guide plates 41 are inclined to both sides, so that air can be directed to various areas of the dry area of ​​the bathroom to ensure that the temperature rises evenly in each area of ​​the dry area; wherein, the air guide plate 41 at the far end is also provided with a rotating shaft 42, which is rotatably connected to the frame body 1, so as to realize the rotatable connection of the air guide 4 to the frame body 1.

[0082] Therefore, by setting the air guide 4 at the second air outlet 13 of the frame, the air guide 4 can evenly guide the hot air to each area of ​​the dry area, thereby ensuring that the temperature rise of each area of ​​the dry area is uniform.

[0083] Combination Figures 4 to 8 As shown, the main frame 1 also includes a first air valve 5, which is rotatably mounted at the outlet of the first fan 2 and used to control whether the outlet of the first fan 2 is connected to the second heating zone. The first air valve 5 has a first position and a second position. When the first air valve 5 is rotated to the first position, the outlet of the first fan 2 is connected to the second heating zone (e.g., ...). Figure 5 and Figure 8 (as shown); when the first air valve 5 is rotated to the second position, the air outlet of the first fan 2 is not connected to the second heating zone (as shown). Figure 6 and Figure 7 (As shown).

[0084] Therefore, when the first air valve 5 is rotated to the first position, the air outlet of the first fan 2 is connected to the second heating zone. Under the action of the first fan 2, air can enter the second heating zone and be heated before being discharged from the first air outlet 12 of the frame, thereby achieving air supply and heating for the humid area. When the first air valve 5 is rotated to the second position, the air outlet of the first fan 2 is not connected to the second heating zone, and no air enters the second heating zone. If the heating element 32 is in the start-up state, the heat generated in the second heating zone can flow out through the first air outlet 12 of the frame to achieve dry steam heating.

[0085] Furthermore, when the heating element 32 is a carbon fiber plate or a graphene plate, by controlling the first air valve 5 to prevent the air outlet of the first fan 2 from communicating with the second heating zone, the far-infrared rays emitted from the lower surface of the heating element 32 can directly pass through the first air outlet 12 of the frame and irradiate the user's skin surface. Due to the strong penetrability of the far-infrared spectrum, it can deeply heat the skin, thereby effectively improving blood circulation, relieving pain, and achieving a physiotherapy effect. Preferably, in order to achieve the best infrared physiotherapy effect, the first air outlet 12 of the frame can be set as a through-hole structure (for example, the louver 15 can be removed or the louver 15 can be moved away from the first air outlet 12 of the frame by a rotating mechanism) to avoid the far-infrared rays being blocked, thereby improving the infrared physiotherapy effect.

[0086] Combined Figure 1-4As shown, a ventilation port 14 is also provided on the side of the frame body 1 away from the first fan 2. The ventilation port 14 is connected to the second space. A second air valve 6 is also provided inside the frame body 1. The second air valve 6 is rotatably mounted at the ventilation port 14. The second air valve 6 has a third position and a fourth position during rotation. When the second air valve 6 is rotated to the third position, the ventilation port 14 is closed (e.g., ...). Figure 5 and Figure 6 (As shown); when the second air valve 6 is rotated to the fourth position, the air exchange port 14 is opened (as shown). Figure 7 and Figure 8 (As shown).

[0087] Preferably, the second space is an outdoor space, and moisture and odors in the bathroom can be discharged to the outdoor space through the ventilation vent 14. At the same time, fresh outdoor air can also enter the room through the ventilation vent 14.

[0088] Furthermore, the top of the first fan 2 forms an upper air inlet area. Preferably, there is a gap between the top wall of the first fan 2 and the inner top wall of the frame body 1 to form the aforementioned upper air inlet area. This upper air inlet area is connected to the first heating area and the air inlet end of the first fan 2. The frame body 1 also contains a third air valve 7, which is rotatably mounted at the air outlet end of the first fan 2 and has a fifth position and a sixth position during rotation. When the third air valve 7 is rotated to the fifth position, the air outlet end of the first fan 2 is connected to the first heating area, and the first heating area is not connected to the upper air inlet area (e.g., ...). Figure 5-7 (As shown); when the third air valve 7 is rotated to the sixth position, the first heating zone is connected to the upper air inlet zone, and the air outlet of the first fan 2 is not connected to the first heating zone (as shown). Figure 8 (As shown).

[0089] Therefore, the multifunctional heating and ventilation fan of this utility model has multiple working modes:

[0090] When the first air valve 5 rotates to the first position, the second air valve 6 rotates to the third position, and the third air valve 7 rotates to the fifth position, under the combined action of the first fan 2 and the heating plate 3, air located in the wet area of ​​the bathroom enters the frame body 1 through the frame air inlet 11. Subsequently, part of the air enters the second heating zone and is heated before being blown back to the wet area through the frame first air outlet 12, thus achieving heating in the wet area. The other part of the air enters the first heating zone and is heated before being blown out to the dry area of ​​the bathroom through the frame second air outlet 13, thus achieving heating in the dry area. This mode is a dual-zone heating mode (e.g., Figure 5 (As shown).

[0091] When the first air valve 5 rotates to the second position, the second air valve 6 rotates to the third position, and the third air valve 7 rotates to the fifth position, under the combined action of the first fan 2 and the heating plate 3, the air in the wet area of ​​the bathroom enters the frame body 1 through the frame air inlet 11. Subsequently, all the air enters the first heating zone, is heated, and then blown out of the dry area of ​​the bathroom through the frame second air outlet 13, thus achieving centralized air supply and heating of the dry area. This mode is a single-zone centralized heating mode (e.g., Figure 6 (As shown).

[0092] In the single-zone centralized heating mode, although no air enters the second heating zone, the heat generated by the second heating zone can flow out through the second air outlet 13 of the frame under the heating effect of the lower end of the heating element 32 to achieve dry steam heating of the humid area. When the heating element 32 is a carbon fiber plate or a graphene plate, the far-infrared rays emitted by the lower end of the heating element 32 can directly pass through the first air outlet 12 of the frame and irradiate the user's skin surface, thereby realizing the far-infrared therapy function.

[0093] When a user changes clothes in the dry area before showering, or walks to the dry area while still wet after showering, the single-zone centralized heating mode can be activated. The large amount of hot air discharged from the second air outlet 13 of the frame can quickly raise the temperature of the dry area of ​​the bathroom, thereby improving the user's comfort before and after showering.

[0094] When the first air valve 5 rotates to the second position, the second air valve 6 rotates to the fourth position, and the third air valve 7 rotates to the fifth position, under the action of the first fan 2, the air located in the wet area of ​​the bathroom can enter the frame body 1 through the frame air inlet 11, then flow through the first heating zone and be blown out to the outdoor space through the ventilation port 14, thereby achieving the ventilation function. This mode is the ventilation mode (e.g., Figure 7 (As shown).

[0095] It should be noted that since the air inlet 11 of the frame is connected to the wet area of ​​the bathroom, in order to achieve ventilation of the dry area of ​​the bathroom, the sliding door located between the wet area and the dry area can be opened to allow the air in the dry area to communicate with each other. The air in the dry area can enter the wet area and then be discharged from the wet area to the outside air.

[0096] When the first air valve 5 rotates to the first position, the second air valve 6 rotates to the third position, and the third air valve 7 rotates to the sixth position, under the action of the first fan 2, fresh air in the outdoor space can enter the frame body 1 through the ventilation port 14, and then flow sequentially through the first heating zone, the upper air intake zone, and the second heating zone, and be blown out to the wet area of ​​the bathroom through the first air outlet 12 of the frame, thereby providing fresh air to the wet area of ​​the bathroom. This mode is the fresh air mode (e.g., Figure 8 (As shown).

[0097] Similarly, when it is necessary to provide fresh air to the dry area of ​​the bathroom, the sliding door between the wet and dry areas can be opened to allow the air in the wet and dry areas to communicate with each other, and the fresh air entering the wet area can enter the dry area to provide fresh air to the dry area.

[0098] It should be noted that when the first fan 2 is activated, since both ends of the first fan 2 are air intakes, in fresh air mode, the air originally located in the bathroom will also enter the frame body 1. It will then mix with fresh air and be discharged from the outlet of the first fan 2, blowing towards the second heating zone. At this time, it is a mixture of fresh air and original air. Especially in cold winter weather, if only pure fresh air is introduced, the indoor temperature will drop rapidly and heat will be lost. If some indoor air is mixed in at this time, less indoor fresh air needs to be drawn in, thus preventing outdoor heat from leaking out.

[0099] Combined Figure 1-2 as well as Figure 4 As shown, the first fan 2 includes a volute 21 and an impeller assembly housed within the volute 21. The impeller assembly includes a centrifugal impeller 22 and a drive motor (not shown) that drives the centrifugal impeller 22 to rotate. The bottom of the volute 21 has a first air inlet 211 that connects to the air inlet 11 of the frame, and the top of the volute 21 has a second air inlet 212 that connects to the upper air inlet area. The first air inlet 211 and the second air inlet 212 both form the air inlet end of the first fan 2. The side of the volute 21 has an air outlet 213 facing the heating plate 3. The air outlet 213 is connected to the first heating area and the second heating area respectively, and the air outlet 213 forms the air outlet end of the first fan 2.

[0100] More specifically, the heating plate 3 also includes a horizontally arranged mounting bracket 31, which has a vertically penetrating opening 311 through which the heating element 32 passes. The mounting bracket 31 has a side near the volute air outlet 213 that divides the volute air outlet 213 into an upper volute air outlet and a lower volute air outlet, which are arranged vertically. The upper volute air outlet communicates with the first heating zone, and the lower volute air outlet communicates with the second heating zone. The first air valve 5 is rotatably mounted at the lower volute air outlet and is used to open or close. The lower air outlet of the volute is used to control whether the air outlet of the first fan 2 is connected to the second heating zone; the third air valve 7 is rotatably installed at the upper air outlet of the volute and is used to open or close the upper air outlet of the volute to control whether the air outlet of the first fan 2 is connected to the first heating zone; the other side of the mounting bracket 31 is also bent downward to form a folding plate 312, the bottom edge of which is connected to the inner bottom wall of the frame body 1, thereby separating the air outlet of the second heating zone from the air outlet of the first heating zone and preventing the second heating zone from communicating with the second air outlet 13 of the frame.

[0101] Preferably, the first air valve 5 includes a flat first plate-shaped main body 51 and a first rotating shaft portion 52 disposed on one side of the first plate-shaped main body 51, the first rotating shaft portion 52 being rotatably connected to the volute 21; when the first air valve 5 is rotated until the other side of the first plate-shaped main body 51 abuts against the inner bottom wall of the frame main body 1, the lower air outlet of the volute is opened, and the lower air outlet of the volute communicates with the second heating zone (e.g., Figure 5 and Figure 8 (As shown); when the first air valve 5 is rotated until the other side of the first plate-shaped main body 51 abuts against one side of the mounting bracket, the lower air outlet of the volute is closed, and the lower air outlet of the volute is not connected to the second heating zone (as shown). Figure 6-7 (As shown).

[0102] Preferably, the third air valve 7 includes a straight third plate-shaped main body 71 and a third rotating shaft 72 disposed on one side of the third plate-shaped main body 71, the third rotating shaft 72 being rotatably connected to the volute 21; when the third air valve 7 is rotated until the other side of the third plate-shaped main body 71 abuts against the inner top wall of the frame main body 1, the air outlet on the volute is opened, and the air outlet on the volute communicates with the first heating zone. At the same time, the communication between the first heating zone and the upper air inlet zone is closed, and the third air valve 7 is in the first position (e.g., Figure 5-7 (As shown); When the third air valve 7 is rotated until the other side of the third plate-shaped main body 71 abuts against one side of the mounting bracket 31, the air outlet on the volute is closed, and the air outlet on the volute is not connected to the first heating zone. At the same time, the connection between the first heating zone and the upper air inlet zone is opened, and the third air valve 7 is in the second position (as shown). Figure 8 (As shown).

[0103] Preferably, the second air valve 6 includes a second plate-shaped main body 61 in the shape of an arc and a second rotating shaft portion 62 disposed on one side of the second plate-shaped main body 61. The second rotating shaft portion 62 is rotatably connected inside the frame body 1. When the second air valve 6 is rotated until the other side of the second plate-shaped main body 61 abuts against the inner top wall of the frame body 1, the air exchange port 14 is closed, and the first heating zone is connected to the second air outlet 13 of the frame. At this time, the second air valve 6 is in the first position (e.g., Figure 5-6 (As shown); When the second air valve 6 is rotated until the other side of the second plate-shaped main body 61 abuts against the other side of the mounting bracket 31, the air vent 14 is opened, and the first heating zone is not connected to the second air outlet 13 of the frame. At this time, the second air valve 6 is in the second position (as shown). Figure 7-8 (As shown).

[0104] In addition, when the second air valve 6 is rotated to the second position, since the second plate-shaped main body 61 is arc-shaped, it can guide the gas flow from the first heating zone to the second air outlet 13 of the frame, making the air intake smoother and reducing pressure loss.

[0105] Of course, it is understandable that in order to drive the first air valve 5, the second air valve 6 and the third air valve 7 to rotate, the multi-functional heating and ventilation fan is also equipped with three drive motors (not shown in the figure). The output ends of the three drive motors are respectively connected to the first rotating shaft 52 of the first air valve 5, the second rotating shaft 62 of the second air valve 6 and the third rotating shaft 72 of the third air valve 7, thereby driving them to rotate respectively.

[0106] Additionally, see Figure 9 The heating plate 3 of this application can also be installed at the air outlet of the frame; specifically, the heating plate 3 is installed at the first air outlet 12 of the frame. When the heating plate 3 is activated, the upper surface of the heating element 32 in the heating plate 3 can be heated to form a heating zone inside the frame body 1. This heating zone is connected to the air outlet of the first fan 2 and the second air outlet 13 of the frame. At the same time, the lower surface of the heating element 32 can be heated to achieve dry steam heating.

[0107] Therefore, under the action of the first fan 2, the air in the wet area of ​​the bathroom can enter the interior of the frame body 1 through the air inlet 11, and then be discharged to the heating area through the air outlet of the first fan 2 for heating, and finally discharged to the dry area through the second air outlet 13 of the frame, thereby achieving rapid heating of the dry area. At the same time, the lower end surface of the heating element 32 heats up to provide dry steam heating for the wet area.

[0108] Example 2

[0109] See Figure 10-11 The difference between the multifunctional heating and ventilation fan in this embodiment and the first embodiment is that this embodiment also includes a second fan 8, which is installed inside the frame body 1 and located above the second air outlet 13 of the frame; thus, under the action of the second fan 8, the air in the first heating zone is blown out of the second air outlet 13 of the frame by the second fan 8.

[0110] Therefore, by adding a second fan 8, it can not only drive the hot air in the first heating zone to be blown out more smoothly from the second air outlet 13 of the frame to heat up the dry area of ​​the bathroom, but also quickly raise the temperature of the dry area of ​​the bathroom with a large air volume without affecting the temperature of the wet area of ​​the bathroom, thereby avoiding the large air volume blowing directly on the wet area of ​​the bathroom and improving the user's bathing comfort.

[0111] Preferably, the second fan 8 is a cross-flow fan, and the axis of the second fan 8 is perpendicular to the axis of the first fan 2.

[0112] Example 3

[0113] See Figure 12The difference between the multifunctional heating and ventilation fan in this embodiment and that in Embodiment 1 is that the heating element 32 has two pieces, one on the top surface and the other on the bottom surface of the mounting bracket 31, thus eliminating the need to create an opening 311 in the mounting bracket 31. Furthermore, depending on the heating power or functional requirements, the two heating elements 32 can achieve different heating powers for the first and second heating zones, allowing the dry area connected to the first heating zone and the wet area connected to the second heating zone to achieve different heating amounts, satisfying the different temperature requirements of the wet and dry areas. Moreover, the two heating elements 32 can also utilize the properties of different materials to create a multifunctional bathroom heater.

[0114] Example 4

[0115] See Figure 13 The difference between the multifunctional heating and ventilation fan in this embodiment and that in Embodiment 3 is that the heating element 32 has multiple pieces, all arranged vertically. These multiple heating elements 32 are arranged sequentially at intervals along the width of the mounting bracket 31, and are also arranged at intervals along the air outlet direction of the first fan, with airflow channels formed between adjacent heating elements 32. Therefore, the air blown from the first fan 2 can be divided into multiple parts when flowing through the heating plate 3, thereby improving the heating efficiency of the first or second heating zone and achieving a better heating effect.

[0116] Preferably, the mounting bracket 31 has multiple openings along its width direction, and multiple heating elements 32 are respectively inserted through the multiple openings of the heating plate; wherein, the portion of the heating element 32 that extends through the top surface of the mounting bracket 31 can generate heat to form a first heating area, and the portion of the heating element 32 that extends through the bottom surface of the mounting bracket 31 can generate heat to form a second heating area.

[0117] Of course, in other embodiments, the heating element 32 can also be divided into an upper heating element and a lower heating element, and the upper heating element and the lower heating element can be fixed on the top and bottom surfaces of the mounting bracket 31 respectively, which can also achieve the same heating effect. This is not a limitation.

[0118] Example 5

[0119] See Figure 14 The difference between the multifunctional heating and ventilation fan in this embodiment and that in embodiment three is that some of the multiple heating elements 32 are arranged vertically and the other part is arranged horizontally; wherein, the vertical heating elements 32 and the horizontal heating elements 32 are arranged alternately.

[0120] In this way, the alternating arrangement of multiple heating elements 32 can increase the contact area between the heating plate 3 and the air, thereby improving the heating effect of the heating plate 3.

[0121] Similarly, in this embodiment, multiple heating elements 32 have different temperature settings, thereby meeting the different temperature requirements of wet and dry areas.

[0122] Example 6

[0123] See Figure 15 The difference between the multifunctional heating and ventilation fan in this embodiment and the first embodiment is that there are two heating plates 3, both of which are arranged horizontally. The two heating plates 3 are arranged vertically and horizontally with a gap between them, and a third heating zone is formed between the two heating plates 3.

[0124] Thus, the two heating plates 3 generate more power, resulting in a better heating effect on the air. Furthermore, the formation of a third heating zone between the two heating plates 3 further improves the heating efficiency of the air, leading to an even better heating effect. To further improve the heating efficiency of the heating plates 3, in other embodiments, the upper and lower heating plates can heat each other to form a third and fourth heating zone in the middle of the frame body 1. In this way, both the upper and lower surfaces of the upper heating plate 3 can be heated to improve the heating efficiency of the first and third heating zones. Similarly, both the upper and lower surfaces of the lower heating plate 3 can be heated to improve the heating efficiency of the second and fourth heating zones, thereby achieving a better heating effect. This approach is not limited here.

[0125] In summary, this utility model has the following technical effects:

[0126] (I) The multifunctional heating and ventilation fan of this utility model replaces the traditional PTC heating module with a heating plate 3, and the heating plate 3 is arranged horizontally. When the cold air passes through the heating plate 3, its wind resistance is small, thus ensuring the air volume and wind speed at the air outlet. At the same time, its working noise is also small, which greatly improves the user experience.

[0127] (II) The multifunctional heating and ventilation fan of this utility model can divide the interior of the frame body 1 into a first heating zone and a second heating zone because both the upper and lower surfaces of the heating plate 3 can be heated. Under the action of the first fan 2, a portion of the air enters the second heating zone and is heated before being discharged from the first air outlet 12 of the frame, thereby achieving rapid heating of the first zone. Another portion of the air enters the first heating zone and is heated before being discharged from the second air outlet 13 of the frame, thereby achieving rapid heating of the second zone. Therefore, this utility model can achieve simultaneous heating of both zones using a single heating plate 3, which not only reduces the number of parts and lowers the hardware cost, but also simplifies the structure and reduces the manufacturing process requirements.

[0128] (III) The multifunctional heating and ventilation fan of this utility model has a louver 15 set at the first air outlet 12 of the frame, and the central area of ​​the louver 15 has a microporous structure 151. In this way, when the gas flows through the microporous structure 151, it can be diverted and dispersed, avoiding hot air blowing directly on the user and causing discomfort, realizing windless heating and improving the user's bathing comfort.

[0129] (iv) The multifunctional heating and ventilation fan of this utility model can switch between single-zone heating and dual-zone heating modes by setting a first air valve 5 to control whether the air outlet of the first fan 2 is connected to the second heating zone, thereby adapting to different usage scenarios.

[0130] (V) When the multifunctional heating and ventilation fan of this utility model uses carbon fiber plate or graphene plate as heating plate 3, the far-infrared rays emitted by the heating plate 3 can directly pass through the first air outlet 12 of the frame and irradiate the user's skin surface. Due to the strong permeability of the far-infrared spectrum, it can deeply heat the skin, thereby effectively improving blood circulation, relieving pain, and achieving a physiotherapy effect.

[0131] (vi) The multifunctional heating and ventilation fan of this utility model provides fresh air to the first space by setting an upper air intake area above the top of the first fan 2 and allowing the air in the second space to enter the frame body 1 through the ventilation port 14 under the action of the first fan 2. The air then flows through the first heating area, the upper air intake area and the second heating area in sequence and is finally discharged to the first space from the first air outlet 12 of the frame.

[0132] The technical means disclosed in this utility model are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications are also considered within the scope of protection of this utility model.

Claims

1. A multifunctional heating and ventilation fan, characterized in that, include: The main frame has an air inlet and an air outlet for connecting with the first space; A first fan is disposed within the main frame body and located above the air inlet of the frame; the air inlet of the first fan is connected to the air inlet of the frame. At least one heating plate is disposed within the frame body and located at or above the frame air outlet; the air outlet of the first fan is connected to the heating plate.

2. The multifunctional heating and ventilation fan according to claim 1, characterized in that: The frame air outlet includes a frame first air outlet and a frame second air outlet, and the frame air inlet, the frame first air outlet and the frame second air outlet are arranged sequentially along the length of the frame body; The heating plate is located at or above the first air outlet of the frame.

3. The multifunctional heating and ventilation fan according to claim 2, characterized in that: When the heating plate is located at the first air outlet of the frame, a heating zone is formed inside the frame body, and the heating zone is connected to the air outlet of the first fan and the second air outlet of the frame.

4. The multifunctional heating and ventilation fan according to claim 2, characterized in that: When the heating plate is located above the first air outlet of the frame, a first heating zone and a second heating zone are formed inside the frame body. The first heating zone is connected to the air outlet of the first fan and the second air outlet of the frame, respectively. The second heating zone is connected to the air outlet of the first fan and the first air outlet of the frame, respectively.

5. The multifunctional heating and ventilation fan according to claim 4, characterized in that: It also includes a louver installed at the first air outlet of the frame, the central area of ​​which has a microporous structure.

6. The multifunctional heating and ventilation fan according to claim 4, characterized in that: It also includes a first air valve that is rotated at the air outlet of the first fan. The first air valve has a first position and a second position. When the first air valve is rotated to the first position, the air outlet of the first fan is connected to the second heating zone. When the first air valve is rotated to the second position, the air outlet of the first fan is not connected to the second heating zone.

7. The multifunctional heating and ventilation fan according to claim 6, characterized in that: When the heating plate is a carbon fiber plate or a graphene plate, the first air outlet of the frame has a through-hole structure.

8. The multifunctional heating and ventilation fan according to claim 6, characterized in that: The frame body also has an air exchange port on its side away from the first fan, which is used to connect with the second space, wherein: It also includes a second air valve that is rotatably disposed at the air exchange port. The second air valve has a third position and a fourth position. When the second air valve is rotated to the third position, the air exchange port is closed; when the second air valve is rotated to the fourth position, the air exchange port is opened.

9. The multifunctional heating and ventilation fan according to claim 8, characterized in that: The top of the first fan has an upper air intake area, which is connected to the first heating area, wherein: It also includes a third air valve that is rotatably disposed at the air outlet of the first fan. The third air valve has a fifth position and a sixth position. When the third air valve is rotated to the fifth position, the air outlet of the first fan is connected to the first heating zone, and the first heating zone is not connected to the upper air inlet zone. When the third air valve is rotated to the sixth position, the air outlet of the first fan is not connected to the first heating zone, and the first heating zone is connected to the upper air inlet zone.

10. The multifunctional heating and ventilation fan according to claim 9, characterized in that: When the first air valve rotates to the first position, the second air valve rotates to the third position, and the third air valve rotates to the fifth position, under the action of the first fan and the heating plate, the air in the first space enters the frame body through the frame air inlet. Part of the air enters the second heating zone and is heated before being blown back into the first space through the frame first air outlet. The other part of the air enters the first heating zone and is heated before being blown back into the first space through the frame second air outlet.

11. The multifunctional heating and ventilation fan according to claim 9, characterized in that: When the first air valve rotates to the second position, the second air valve rotates to the third position, and the third air valve rotates to the fifth position, under the action of the first fan and the heating plate, the air in the first space enters the first heating zone through the air inlet of the frame and is heated, and then blown out back into the first space through the second air outlet of the frame.

12. The multifunctional heating and ventilation fan according to claim 9, characterized in that: When the first air valve rotates to the second position, the second air valve rotates to the fourth position, and the third air valve rotates to the fifth position, under the action of the first fan, the air in the first space enters the frame body through the air inlet of the frame, then flows through the first heating zone and is blown out to the second space through the air exchange port.

13. The multifunctional heating and ventilation fan according to claim 9, characterized in that: When the first air valve rotates to the first position, the second air valve rotates to the third position, and the third air valve rotates to the sixth position, under the action of the first fan, the air in the second space enters the frame body through the air exchange port, flows sequentially through the first heating zone, the upper air inlet zone, and the second heating zone, and is blown out to the first space through the first air outlet of the frame.

14. The multifunctional heating and ventilation fan according to any one of claims 9-13, characterized in that: The first fan is a centrifugal fan and includes a volute and an impeller assembly housed within the volute. The impeller assembly includes a centrifugal impeller and a drive motor that drives the centrifugal impeller to rotate. The bottom of the volute has a first air inlet that communicates with the air inlet of the frame, and the top of the volute has a second air inlet that communicates with the upper air inlet area. The first air inlet and the second air inlet both form the air inlet end of the first fan. The volute has an air outlet facing the heating plate on its side. The air outlet is connected to the first heating zone and the second heating zone, and forms the air outlet of the first fan.

15. The multifunctional heating and ventilation fan according to claim 14, characterized in that: It also includes a second fan, which is disposed inside the frame body and located above the second air outlet of the frame; under the action of the second fan, the air in the first heating zone is blown out of the second air outlet of the frame by the second fan.

16. The multifunctional heating and ventilation fan according to claim 15, characterized in that, The second fan is a cross-flow fan, and the axis of the first fan is perpendicular to the axis of the second fan.

17. The multifunctional heating and ventilation fan according to claim 4, characterized in that, The heating plate is a single, horizontally arranged unit. The upper surface of the heating plate is heated to form the first heating area, and the lower surface of the heating plate is heated to form the second heating area.

18. The multifunctional heating and ventilation fan according to claim 4, characterized in that, The heating plate is provided in two parts, both of which are arranged horizontally, wherein: The two heating plates are arranged parallel to each other at intervals. The upper end surface of the upper heating plate heats up to form the first heating area, the lower end surface of the lower heating plate heats up to form the second heating area, and both the lower end surface of the upper heating plate and the upper end surface of the lower heating plate heat up to form the third heating area.

19. The multifunctional heating and ventilation fan according to claim 17 or 18, characterized in that, The heating plate includes a mounting bracket and at least one heating element disposed on the mounting bracket, wherein the heating element is arranged vertically or horizontally.

20. The multifunctional heating and ventilation fan according to claim 19, characterized in that, The heating element is provided in multiple ways, and all of the heating elements are arranged along the air outlet direction of the first fan, wherein: A portion of the multiple heating elements is arranged vertically, while another portion is arranged horizontally, and the vertically arranged heating elements and the horizontally arranged heating elements are arranged alternately in sequence.

21. The multifunctional heating and ventilation fan according to claim 20, characterized in that, Each of the multiple heating elements has a different temperature setting.

Images