Ceiling electric appliance

Abstract

The utility model provides a ceiling electric appliance, and relates to the field of electric appliances. The ceiling electric appliance comprises a main machine shell, a fan part, a fan part and a fan part, the main machine shell is provided with a containing cavity, and an air outlet is formed in the side wall of the main machine shell; the fan part comprises an air duct shell and a fan, the air duct shell is arranged in the main machine shell, and the fan is arranged in an air duct of the air duct shell; wherein part of the air duct shell is located in the containing cavity, the other part of the air duct shell protrudes out of the surface of the main machine shell, and the problem that in the prior art, the air outlet performance is poor due to the fact that the size of the air duct shell is limited is solved.

Description

Technical Field

[0001] This utility model relates to the field of electrical appliances, and more specifically, to a ceiling appliance. This utility model claims priority to the patent application filed on July 26, 2024, with China National Intellectual Property Administration, application number 2024217973002, entitled "Ceiling Appliance". Background Technology

[0002] Common ceiling-mounted electrical appliances include air conditioners, bathroom heaters, and fresh air systems. Among these, bathroom heaters, as a commonly used indoor heating device, primarily function to raise the temperature of the bathroom by heating the air. Bathroom heaters typically consist of a housing, a fan, and a volute, with the size of the fan and volute closely related to the performance of the heater.

[0003] In existing technologies, attempts to improve the performance of bathroom heaters involve modifying the dimensions of the fan and casing to maximize their size. However, this approach is limited by the dimensions of the enclosure, which in turn are constrained by the size of the ceiling panels and the width of the joists. This limitation prevents performance improvements from meeting users' high demands for enhanced bathroom heater performance. Furthermore, while existing solutions can increase the size of the fan and casing through design improvements, implementation is difficult and costly.

[0004] There is currently no effective solution to the above problems. Utility Model Content

[0005] The main purpose of this utility model is to provide a ceiling electrical appliance to solve the problem of poor air outlet performance caused by the limited size of the volute in the prior art.

[0006] To achieve the above objectives, according to one aspect of the present invention, a ceiling-mounted electrical appliance is provided. The ceiling-mounted electrical appliance includes: a main unit housing having a receiving cavity, and an air outlet being provided on the side wall of the main unit housing; and a fan unit including a duct housing and a fan, wherein the duct housing is disposed within the main unit housing, and the fan is disposed within the duct of the duct housing; wherein a portion of the duct housing is located within the receiving cavity, and another portion of the duct housing protrudes from the surface of the main unit housing.

[0007] Furthermore, the fan has a retractable position that retracts in the radial direction, and a working position that extends in the radial direction to its maximum diameter.

[0008] Furthermore, when the fan is in the storage position, the fan is located inside the receiving cavity, and a first opening is provided on the side wall of the main unit housing. When the fan is in the working position, part of the fan structure is located outside the first opening.

[0009] Furthermore, the fan includes: a fixed member, one end of which is connected to the inner wall of the duct housing; a drive member, which is located on the fixed member; a rotating member, the output shaft of which is connected to the rotating member; and multiple blades, which are spaced apart along the outer circumference of the rotating member. The drive member is used to drive the rotating member to rotate the multiple blades in the radial direction so that the blades can switch between a retracted position and a working position.

[0010] Furthermore, the air velocity at the air outlet is between 5m / s and 8m / s.

[0011] Furthermore, the fan is in the working position, and the fan speed is between 400 rpm and 1000 rpm.

[0012] Furthermore, the length of the main unit casing is a, the width of the main unit casing is b, and the diameter of the fan is d, wherein the minimum value of a is between 200mm and 300mm, and / or the maximum value of a is between 400mm and 590mm, and / or 250mm≤b≤300mm, and / or 150mm≤d≤260mm.

[0013] Furthermore, the height of the air duct housing protruding from the main unit housing is h, where 0≤h≤200mm.

[0014] Furthermore, the air duct housing is integrally molded.

[0015] Furthermore, a second opening is provided on the side wall of the main unit housing, with part of the air duct housing located inside the receiving cavity and another part of the air duct housing protruding from the second opening.

[0016] Furthermore, at least a portion of the duct housing protruding from the second opening has an arc-shaped plate-like structure.

[0017] Furthermore, the portion of the duct housing that protrudes from the second opening has an air guide groove recessed toward the outside of the main unit housing.

[0018] Furthermore, ceiling-mounted electrical appliances include air conditioners, bathroom heaters, and fresh air systems.

[0019] By applying the technical solution of this utility model, the air duct housing is set inside the main unit housing, and the fan is set inside the air duct of the air duct housing. The air duct is connected to the air outlet on the side wall of the main unit housing, so that the fan drives the air flow. The air duct housing is divided into two parts: one part is located inside the receiving cavity, and the other part of the air duct housing protrudes from the surface of the main unit housing. This increases the size of the air duct housing, increases the flow area of ​​the air duct, and improves the air volume of the air duct housing, thus solving the problem of poor air outlet performance caused by the limited size of the air duct housing. Attached Figure Description

[0020] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0021] Figure 1 A schematic diagram of the structure of a first embodiment of the ceiling electrical appliance according to the present invention is shown;

[0022] Figure 2 A schematic diagram of the structure of a second embodiment of the ceiling electrical appliance according to the present invention is shown;

[0023] Figure 3 A schematic diagram of the structure of a third embodiment of the ceiling electrical appliance according to the present invention is shown;

[0024] Figure 4 A schematic diagram of the structure of a fourth embodiment of the ceiling electrical appliance according to the present invention is shown;

[0025] Figure 5 A schematic diagram of the structure of the fan of the ceiling electrical appliance according to the present invention is shown.

[0026] The above figures include the following reference numerals:

[0027] 10. Main unit casing;

[0028] 11. Receiving cavity;

[0029] 12. Air vent;

[0030] 13. First opening;

[0031] 14. Second opening;

[0032] 15. Air supply duct;

[0033] 20. Fan Department;

[0034] 21. Duct housing; 211. Air guide slot;

[0035] 22. Fan; 221. Fixed component; 222. Driving component; 223. Rotating component; 224. Blade;

[0036] 23. Air duct. Detailed Implementation

[0037] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0038] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0039] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such terms can be used interchangeably where appropriate so that the embodiments of this application described herein can be implemented, for example, in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0040] Exemplary embodiments according to this application will now be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments may be implemented in many different forms and should not be construed as being limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that the disclosure of this application is thorough and complete, and that the concept of these exemplary embodiments is fully conveyed to those skilled in the art. In the drawings, for clarity, the thickness of layers and regions may be exaggerated, and the same reference numerals are used to denote the same devices, and therefore their description will be omitted.

[0041] Combination Figures 1 to 5 As shown, according to a specific embodiment of the present invention, a ceiling electrical appliance is provided.

[0042] like Figure 1 , Figure 2As shown, the ceiling electrical appliance includes: a main unit housing 10, which has a receiving cavity 11 and an air outlet 12 on its side wall; and a fan unit 20, which includes a duct housing 21 and a fan 22. The duct housing 21 is formed inside the main unit housing 10, and the fan 22 is disposed in the duct 23 of the duct housing 21. Part of the duct housing 21 is located inside the receiving cavity 11, and another part of the duct housing 21 protrudes from the surface of the main unit housing 10.

[0043] In this embodiment, the air duct housing 21 is disposed within the main housing 10, and the fan 22 is disposed within the air duct of the air duct housing 21. The air duct is connected to the air outlet on the side wall of the main housing, allowing the fan 22 to drive the gas flow. The air duct housing 21 is divided into two parts: one part is located within the receiving cavity 11, and the other part protrudes from the surface of the main housing 10. This increases the size of the air duct housing 21, enlarges the flow area of ​​the air duct 23, and improves the air volume output of the air duct housing 21, thus solving the problem of poor air output performance caused by the limited size of the volute in the prior art.

[0044] In one embodiment of this application, an air supply duct 15 is further formed inside the main housing 10, which is connected to the air outlet 12. A duct 23 is also connected to the air outlet 12 via the air supply duct 15. The duct 23 can be a complete volute-shaped structure, or it can be a duct structure formed by multiple curved side plates or straight plates together with the inner sidewall of the main housing 10. In other words, the duct 23 can be composed of multiple straight lines and multiple curved lines.

[0045] In one embodiment of this application, the duct housing 21 further includes a duct top plate and a duct bottom plate. The duct side plates, duct top plate, and duct bottom plate surround the main unit housing, meaning that the duct housing 21 is a part of the main unit housing 10 structure, and the duct bottom plate is formed from the bottom of the main unit housing 10. The profile of the duct side plate can be a volute profile, or it can be a profile structure including straight lines and curved lines.

[0046] In another embodiment of this application, the duct housing 21 includes a duct side plate, a duct top plate, and a duct bottom plate. The duct housing 21 and the main unit housing 10 form a separate assembly component, that is, the duct housing 21 is part of the main unit housing 10, and the bottom of the main unit housing 10 forms the duct bottom plate. Of course, the duct housing 21 can also be independently formed inside the main unit housing 10. In this case, the duct bottom plate of the duct housing 21 is connected to the bottom of the main unit housing 10. The difference between this embodiment and the above embodiment is that both the duct housing 21 and the main unit housing 10 have their own bottom plates.

[0047] Specifically, the fan 22 has a retractable storage position that retracts radially, and a working position that extends radially to its maximum diameter. The fan 22 is radially extendable, and by adjusting its radial length, the output airflow and air pressure can be changed to meet the needs of different operating conditions. Furthermore, the extendable design also helps to reduce the size and weight of the fan.

[0048] like Figure 3 As shown, when the fan 22 is in the storage position, it is located inside the receiving cavity 11, and a first opening 13 is provided on the side wall of the main housing 10. When the fan 22 is in the working position, part of the structure of the fan 22 is located outside the first opening 13. This arrangement can effectively increase the air volume of the entire fan section 20 and improve the performance of the fan section 20.

[0049] like Figure 5 As shown, the fan 22 includes a fixed member 221, a drive member 222, a rotating member 223, and multiple blades 224. One end of the fixed member 221 is connected to the inner wall of the duct housing 21. The drive member 222 is located on the fixed member 221. The output shaft of the drive member 222 is connected to the rotating member 223. The multiple blades 224 are spaced apart along the outer circumference of the rotating member 223. The drive member 222 is used to drive the rotating member 223 to rotate the multiple blades 224 radially, so that the blades 224 switch between a retracted position and a working position.

[0050] Specifically, one end of the fixing member 221 is connected to the inner wall of the air duct housing 21, which ensures a firm connection between the fixing member 221 and the air duct housing 21, and also enhances the structural stability of the fan 22, preventing the fan 22 from loosening during operation; the driving member 222 is located on the fixing member 221, which plays a role in fixing the driving member 222; when the fan 22 switches between the storage position and the working position, the fan 22 expands to the working position with the maximum diameter in the radial direction. At this time, the output shaft of the driving member 222 gradually increases its speed, thereby driving the rotating member 223 to gradually increase its speed. The rotating member 223 drives the blades 224 to rotate in the radial direction. As the rotation speed changes, the blades 224 also switch between the storage position and the working position. The blades 224 can be retracted. In the storage position, the blades 224 are completely retracted together. When all the blades are in the working position, the working radius of the blades 224 is the largest, and the wind speed generated by the rotation is the largest, thereby increasing the gas flow speed and causing the gas to be discharged from the air outlet 12, thus accelerating the ventilation efficiency.

[0051] Furthermore, the air velocity at the air outlet 12 is between 5m / s and 8m / s. By protruding another part of the duct housing 21 from the surface of the main unit housing 10, the internal structure of the main unit housing 10 can be effectively improved, and the duct 23 can be optimized. This makes the air velocity at the air outlet 12 much greater than the air velocity at the ceiling appliances in the prior art, effectively increasing the air delivery distance and air volume of the air outlet 12, and further improving the air comfort of the ceiling appliances.

[0052] Furthermore, the fan 22 is in the working position, and the speed of the fan 22 is between 400rpm and 1000rpm. By setting another part of the air duct housing 21 to protrude from the surface of the main housing 10, the flow area can be increased, so that the speed of the fan 22 is lower than that of the fans in the prior art ceiling appliances, thus reducing noise. Even when the speed of the fan 22 is low, the air velocity at the air outlet 12 can be guaranteed, thereby increasing the air delivery distance and air volume.

[0053] Furthermore, such as Figure 1 As shown, the length of the main unit housing 10 is 'a', the width of the main unit housing 10 is 'b', and the diameter of the fan 22 is 'd'. The minimum value of 'a' is between 200mm and 300mm, and the maximum value of 'a' is between 400mm and 590mm. 250mm ≤ b ≤ 300mm, and 150mm ≤ d ≤ 260mm. This configuration allows for increased airflow at the outlet by increasing the fan diameter without changing the main unit housing dimensions, resulting in better airflow performance for the ceiling-mounted appliance within the same structural dimensions.

[0054] Furthermore, the height of the duct housing 21 protruding from the surface of the main unit housing 10 is h, where 0 ≤ h ≤ 200 mm. The protrusion height of the duct housing 21 from the main unit housing 10 needs to take into account the assembly of the duct housing 21 and the structural strength of the duct housing 21. This arrangement can effectively increase the flow area of ​​the duct and improve the air volume of the duct housing 21.

[0055] Furthermore, the duct housing 21 is integrally molded. This integral molding ensures the accurate shape and dimensions of the duct, guaranteeing smoother fluid flow within it. Part of the duct housing 21 is located within the receiving cavity 11, while another part protrudes from the surface of the main unit housing 10. This integral molding eliminates seams or welds, resulting in a more stable overall structure.

[0056] Furthermore, such as Figure 4As shown, a second opening 14 is provided on the side wall of the main unit housing 10. Part of the air duct housing 21 is located inside the receiving cavity 11, while another part of the air duct housing 21 protrudes from the second opening 14. Without changing the size of the main unit housing 10, the air duct housing 21 protrudes from the second opening 14. The protruding part is an increase in the size of the air duct housing 21, which increases the flow area of ​​the air duct 23 and increases the air volume.

[0057] Furthermore, at least a portion of the duct housing 21 protruding from the second opening 14 has an arc-shaped plate structure. This arc-shaped plate structure reduces airflow resistance, allowing air to flow more evenly and smoothly within the duct, improving the duct's streamline, reducing wind resistance, and decreasing noise and vibration during airflow. This enhances the duct's efficiency and performance. The arc-shaped plate structure of the protruding portion of the duct housing 21 also increases the duct's strength and stability, making it more durable and reliable. Since this portion is located outside the main unit housing 10 and is affected by the external environment, the arc-shaped plate structure reduces maintenance and replacement costs due to duct deformation or damage.

[0058] Furthermore, the portion of the duct housing 21 where the second opening 14 is located has an air guide groove 211 recessed towards the outside of the main unit housing 10. The function of the air guide groove 211 is to guide airflow through the main unit housing 10. By recessing towards the outside of the main unit housing, the air guide groove 211 can more effectively guide airflow, thus effectively increasing the duct flow area and reducing airflow noise.

[0059] Furthermore, the ceiling-mounted electrical appliance is one of the following: air conditioner, bathroom heater, or fresh air system. The design of the duct housing 21 structure and the fan 22 structure of the ceiling-mounted electrical appliance can be applied to air conditioners, bathroom heaters, and fresh air systems.

[0060] Ceiling electrical appliances also include a fan cover, a panel, and a lamp assembly. Specifically, a fan cover is provided on the side opposite to the duct base plate, a panel is provided on the outside of the fan cover, and the lamp assembly is provided on the side where the fan cover and the panel are located.

[0061] As can be seen from the above description, the embodiments of this utility model achieve the following technical effects:

[0062] By placing the duct housing inside the main unit housing, and the fan inside the duct housing, with the duct connected to the air outlet on the side wall of the main unit housing, the fan drives the airflow. The duct housing consists of two parts: one part is located inside the receiving cavity, and the other part protrudes from the surface of the main unit housing. This increases the size of the duct housing, enlarges the flow area of ​​the duct, and improves the airflow volume, thus solving the problem of poor airflow performance caused by the limited size of the duct housing.

[0063] This solution involves integrally molding the air duct housing without changing the size of the main unit housing, thereby increasing the size of the air duct housing and making part of the air duct housing protrude outside the main unit housing. By increasing the size of the fan and the air duct housing, the performance of the bathroom heater is improved.

[0064] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0065] In addition to the above, it should be noted that the terms "one embodiment," "another embodiment," and "embodiment" used in this specification refer to specific features, structures, or characteristics described in connection with that embodiment, which are included in at least one embodiment described in the general description of this application. The appearance of the same expression in multiple places in the specification does not necessarily refer to the same embodiment. Furthermore, when a specific feature, structure, or characteristic is described in connection with any embodiment, the intention is to suggest that implementing such a feature, structure, or characteristic in conjunction with other embodiments also falls within the scope of this utility model.

[0066] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0067] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A ceiling-mounted electrical appliance, characterized in that, include: The main unit housing (10) has a receiving cavity (11) and an air outlet (12) is provided on the side wall of the main unit housing (10); The fan unit (20) includes a duct housing (21) and a fan (22). The duct housing (21) is formed inside the main housing (10), and the fan (22) is disposed in the duct (23) of the duct housing (21). Part of the air duct housing (21) is located inside the receiving cavity (11), while another part of the air duct housing (21) protrudes from the surface of the main unit housing (10).

2. The ceiling electrical appliance according to claim 1, characterized in that, The fan (22) has a storage position that is retracted in the radial direction, and a working position that extends in the radial direction to the maximum diameter.

3. The ceiling electrical appliance according to claim 2, characterized in that, When the fan (22) is in the storage position, the fan (22) is located in the receiving cavity (11), and the side wall of the main housing (10) is provided with a first opening (13). When the fan (22) is in the working position, part of the structure of the fan (22) is located outside the first opening (13).

4. The ceiling electrical appliance according to claim 2, characterized in that, The fan (22) includes: A fastener (221), one end of which is connected to the inner wall of the air duct housing (21); A driving member (222) is located on the fixing member (221); Rotating component (223), the output shaft of the driving component (222) is connected to the rotating component (223); Multiple blades (224) are spaced apart along the outer periphery of the rotating member (223). The driving member (222) drives the rotating member (223) to rotate the multiple blades (224) in the radial direction, so that the blades (224) switch between the storage position and the working position.

5. The ceiling electrical appliance according to claim 1, characterized in that, The air velocity at the air outlet (12) is between 5 m / s and 8 m / s.

6. The ceiling electrical appliance according to claim 2, characterized in that, The fan (22) is located in the working position, and the speed of the fan (22) is between 400 rpm and 1000 rpm.

7. The ceiling electrical appliance according to claim 1, characterized in that, The length of the main housing (10) is a, the width of the main housing (10) is b, and the diameter of the fan (22) is d, wherein the minimum value of a is between 200mm and 300mm, and / or the maximum value of a is between 400mm and 590mm, and / or 250mm≤b≤300mm, and / or 150mm≤d≤260mm.

8. The ceiling electrical appliance according to claim 1, characterized in that, The height of the air duct housing (21) protruding from the surface of the main unit housing (10) is h, where 0≤h≤200mm.

9. The ceiling electrical appliance according to claim 1, characterized in that, The air duct housing (21) is integrally formed.

10. The ceiling electrical appliance according to claim 1, characterized in that, The main housing (10) has a second opening (14) on its side wall. Part of the air duct housing (21) is located inside the receiving cavity (11), and another part of the air duct housing (21) protrudes from the second opening (14).

11. The ceiling electrical appliance according to claim 10, characterized in that, At least a portion of the air duct housing (21) protruding from the second opening (14) has an arc-shaped plate structure.

12. The ceiling electrical appliance according to claim 10, characterized in that, The portion of the duct housing (21) that protrudes from the second opening (14) has an air guide groove (211) recessed toward the outside of the main housing (10).

13. The ceiling electrical appliance according to claim 9, characterized in that, The ceiling-mounted electrical appliance is one of the following: air conditioner, bathroom heater, or fresh air system.

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