Shell assembly and ceiling electric appliance with same

Abstract

The utility model provides a shell assembly and a ceiling electric appliance with the same. The shell assembly comprises a main machine shell and a main machine shell, wherein the main machine shell is provided with a first split air duct; and the splicing shell is detachably connected with the host shell along the length direction of the host shell. According to the technical scheme, the problem that the size of a box body is limited in the prior art is solved.

Description

Technical Field

[0001] This utility model relates to the field of home appliances, and more specifically, to a housing assembly and a ceiling appliance having the same. Background Technology

[0002] Ceiling-mounted electrical appliances are electrical devices installed on the ceiling, typically used for functions such as lighting, ventilation, and air conditioning. They are usually installed by embedding the appliances into the ceiling, resulting in a more aesthetically pleasing and neat appearance.

[0003] Common ceiling electrical appliances include chandeliers, fans, integrated ceiling air conditioners, and bathroom heaters. Ceiling electrical appliances typically consist of a housing, air duct components (such as a volute) inside the housing, and fan components (such as a fan). The performance of ceiling electrical appliances is mainly affected by the size and volume of the fan components and air duct components inside the housing.

[0004] A bathroom heater is a common indoor heating device whose main function is to raise the temperature of the bathroom by heating the air. A bathroom heater typically consists of a housing, a fan, and a volute, among other components. The performance of a bathroom heater is primarily affected by the dimensions of the fan and the volute. In traditional bathroom heater designs, the size of the housing is limited by the dimensions of the ceiling panels and the width of the joists, which restricts the improvement of the heater's performance.

[0005] Existing technology aims to improve the performance of bathroom heaters by maximizing the size of the fan and casing within the existing dimensions. However, because the size of ceiling-mounted electrical appliances is limited by the size of the ceiling opening (installation port), the range of size expansion for the fan and casing is limited, thus restricting the potential for performance improvement. Without increasing the cabinet size, the only way to meet the air intake requirements is to increase the fan speed, but increasing the fan speed generates significant noise during operation.

[0006] There is currently no effective solution to the aforementioned technical problems. Utility Model Content

[0007] The main objective of this invention is to provide a housing assembly and a ceiling appliance having the same, in order to solve the problem of limited housing size in the prior art.

[0008] To achieve the above objectives, according to one aspect of the present invention, a housing assembly is provided.

[0009] Furthermore, the housing assembly includes: a main housing having a first split air duct; and a splicing housing detachably connected to the main housing along the length of the main housing.

[0010] Furthermore, the housing assembly also includes an air duct, which is located within at least one of the main housing and the splicing housing.

[0011] Furthermore, the main unit housing has a first split air duct, and the spliced ​​housing has a second split air duct. When the spliced ​​housing is connected to the main unit housing, the first split air duct and the second split air duct are connected to form a ventilation channel.

[0012] Furthermore, a first connecting part is provided at the end of the main housing facing the splicing housing, and a second connecting part is provided at the end of the splicing housing facing the main housing, and the first connecting part and the second connecting part are detachably connected.

[0013] Furthermore, the first connecting part is a snap-fit ​​structure, the second connecting part is a fastening structure, and / or the first connecting part is a fastening structure and the second connecting part is a snap-fit ​​structure.

[0014] Furthermore, the main unit housing has a first split air duct with a first opening. The housing assembly includes a first splicing volute, which has a first assembly position connected to the main unit housing and a first disassembly position separated from the main unit housing. When the first splicing volute is in the first assembly position, it blocks at least part of the first opening, so that the sidewalls of the first splicing volute and the main unit housing form part of the sidewalls of the first split air duct.

[0015] Furthermore, the main housing includes a first volute side plate. When the first spliced ​​volute is in the first assembly position, the first spliced ​​volute, together with the first volute side plate and / or the side wall of the main housing, forms part of the side wall of the first split air duct.

[0016] Furthermore, when the first splicing volute is in the first assembly position, the first splicing volute is protruding and disposed on the outside of the first opening.

[0017] Furthermore, the splicing housing has a second split air duct with a second opening. The housing assembly includes a second splicing volute, which has a second assembly position connected to the splicing housing and a second disassembly position separated from the splicing housing. When the second splicing volute is in the second assembly position, it protrudes from the outer surface of the splicing housing and blocks at least part of the second opening, so that the sidewalls of the second splicing volute and the splicing housing form part of the sidewalls of the second split air duct.

[0018] Furthermore, the splicing housing includes a second volute side plate. When the second volute side plate is in the second assembly position, the second splicing volute and the second volute side plate and / or the side wall of the splicing housing form part of the side wall of the second split air duct.

[0019] Furthermore, when the first splicing volute is located in the first assembly position and the second splicing volute is located in the second assembly position, the abutment of the first splicing volute and the second splicing volute is smoothly transitioned.

[0020] Furthermore, the main housing has a third opening on the side facing the splicing housing that communicates with the first split air duct, and the splicing housing has a fourth opening on the side facing the main housing that communicates with the second split air duct. When the splicing housing is connected to the main housing, the third and fourth openings are connected.

[0021] Furthermore, at least one of the first split air duct and the second split air duct has a fan unit inside.

[0022] Furthermore, one of the first split air ducts and the second split air duct has a heating element, and the other of the first split air ducts and the second split air duct has a fan element.

[0023] Furthermore, one of the main unit housing and the splicing housing has an air inlet for introducing gas into the ventilation duct, and the other of the main unit housing and the splicing housing has an air outlet for discharging gas from the ventilation duct.

[0024] To achieve the above objectives, according to one aspect of the present invention, a ceiling electrical appliance is provided, including a housing assembly, wherein the housing assembly is the aforementioned housing assembly.

[0025] By applying the technical solution of this utility model, the splicing shell and the main body shell are detachably connected, which effectively solves the technical problem that the size of the ceiling electrical appliances is limited by the size of the ceiling opening. This allows the design of the air duct and fan inside the ceiling electrical appliances to no longer be limited by the size of the box, thereby obtaining better air duct performance. Attached Figure Description

[0026] 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:

[0027] Figure 1 A schematic diagram of the structure of a first embodiment of the housing assembly according to the present invention is shown;

[0028] Figure 2 A schematic diagram of the structure of a second embodiment of the housing assembly according to the present invention is shown;

[0029] Figure 3 A schematic diagram of the structure of a third embodiment of the housing assembly according to the present invention is shown;

[0030] Figure 4A schematic diagram of the structure of a fourth embodiment of the housing assembly according to the present invention is shown;

[0031] Figure 5 A structural schematic diagram of a fifth embodiment of the housing assembly according to the present invention is shown;

[0032] Figure 6 A schematic diagram of the sixth embodiment of the housing assembly according to the present invention is shown.

[0033] The above figures include the following reference numerals:

[0034] 10. Main unit housing; 11. First split air duct; 12. First volute side plate; 121. First opening; 13. Third opening;

[0035] 20. Spliced ​​shell; 21. Second split air duct; 22. Second volute side plate; 221. Second opening; 23. Fourth opening;

[0036] 30. First assembly of the volute;

[0037] 40. Second spliced ​​volute;

[0038] 50. Fan Department;

[0039] 60. Heating section;

[0040] 70. Air inlet;

[0041] 80. Air vent;

[0042] 90. First connecting part;

[0043] 100. Second connecting part. Detailed Implementation

[0044] 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.

[0045] 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.

[0046] 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.

[0047] 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.

[0048] Combination Figures 1 to 6 As shown, according to a specific embodiment of this application, a housing assembly is provided. The housing assembly includes: a main housing 10, the main housing 10 having a first split air duct 11; and a splicing housing 20, which is detachably connected to the main housing 10 along the length direction of the main housing 10.

[0049] By applying the technical solution of this utility model, the splicing shell and the main body shell are detachably connected, which effectively solves the technical problem that the size of the ceiling electrical appliance is limited by the size of the ceiling opening (installation port). This makes the design of the air duct and fan inside the ceiling electrical appliance no longer limited by the size of the box, thereby obtaining better air duct performance.

[0050] By applying the technical solution of this utility model, the splicing housing 20 and the main housing 10 are detachably connected, which effectively expands the size of the fan section and effectively solves the problem of excessive noise caused by increasing the fan speed to meet the air intake due to the limited housing size. The main housing 10 has a first split air duct 11, and the splicing housing 20 has a second split air duct 21. When the splicing housing 20 is in the connected position, the first split air duct 11 and the second split air duct 21 are connected to form a ventilation channel. The size of the complete ventilation channel is greatly increased compared to the previous one, which can ensure sufficient air intake in actual needs, and the connection operation between the splicing housing 20 and the main housing 10 is simple. By adopting the technical solution of this application, the problem of not being able to balance the air intake of the ceiling electrical appliance casing and the operating noise of the ceiling electrical appliance in the prior art is solved.

[0051] Furthermore, the housing assembly also includes an air duct located within at least one of the main housing 10 and the splicing housing 20.

[0052] Furthermore, the main housing 10 has a first split air duct 11, and the spliced ​​housing 20 has a second split air duct 21. When the spliced ​​housing 20 is connected to the main housing 10, the first split air duct 11 and the second split air duct 21 are connected to form a ventilation channel. The size of the complete ventilation channel is significantly increased compared to before, ensuring sufficient air intake in actual needs. One of the first split air duct 11 and the second split air duct 21 can be a volute air duct, with an impeller inside, used to collect the airflow thrown out by the impeller. The other of the first split air duct 11 and the second split air duct 21 can be a guide channel, used to guide the airflow from the volute air duct to the air outlet. The ventilation channel can be at least one of a volute air duct and a guide channel.

[0053] In one embodiment of this application, at least one of the first split air duct 11 and the second split air duct 21 includes an air duct top plate and an air duct bottom plate. The air duct side plates, the air duct top plate, and the air duct bottom plate form a shell, that is, the first split air duct 11 and / or the second split air duct are part of the corresponding shell structure, and the air duct bottom plate is formed from the bottom of the shell. The profile of the air duct side plate can be a volute profile, or the profile of the air duct side plate can be a profile structure including straight lines and curved lines.

[0054] In another embodiment of this application, at least one of the first split air duct 11 and the second split air duct 21 includes an air duct side plate, an air duct top plate, and an air duct bottom plate. The first split air duct 11 and / or the second split air duct 21 form separate assembly components with the housing. The first split air duct 11 and / or the second split air duct are independently formed within the corresponding housing. In this case, the bottom plate of the air duct structure (the first split air duct 11 and / or the second split air duct 21) is connected to the bottom of the housing. In this embodiment, the difference from the above embodiment is that both the air duct structure and the corresponding housing have their own bottom plate.

[0055] Furthermore, a first connecting portion 90 is provided at the end of the main housing 10 facing the splicing housing 20, and a second connecting portion 100 is provided at the end of the splicing housing 20 facing the main housing 10. The first connecting portion 90 and the second connecting portion 100 are detachably connected. The end of the main housing 10 facing the splicing housing 20 includes a bottom sidewall and a circumferential sidewall. The first connecting portion 90 can be provided on at least one of the bottom sidewall and the circumferential sidewall, and the second connecting portion 100 is correspondingly provided, so that the first connecting portion 90 and the second connecting portion 100 are provided in pairs to cooperate with each other.

[0056] Furthermore, the first connecting part 90 is a snap-fit ​​structure, the second connecting part 100 is a fastening structure, and / or the first connecting part 90 is a fastening structure and the second connecting part 100 is a snap-fit ​​structure.

[0057] Preferably, the first connecting portion 90 and the second connecting portion 100 together form an elastic snap-fit ​​assembly.

[0058] Specifically, such as Figure 1 , Figure 2As shown, the main unit housing 10 has a first split air duct 11 with a first opening 121. The housing assembly includes a first splicing volute 30, which has a first assembly position connected to the main unit housing 10 and a first disassembly position separated from the main unit housing 10. When the first splicing volute 30 is in the first assembly position, it blocks at least part of the first opening 121, so that the side walls of the first splicing volute 30 and the main unit housing 10 form part of the side walls of the first split air duct 11. By setting the first splicing volute 30, the volume of the first split air duct 11 can be increased, allowing the impeller to be made larger. At the same time, the size limitation of the ceiling mounting opening on the main unit housing 10 is removed, and the first splicing volute 30 and the main unit housing 10 can be installed separately in the indoor mezzanine space for assembly. In the technical solution of this embodiment, the sidewall of the main unit housing 10 can be the outermost frame housing structure of the main unit housing, or it can include a volute side plate disposed inside the main unit housing 10. The first split air duct 11 is a spatial cavity structure for airflow. The sidewall of the first split air duct 11 is specifically the inner wall of the air duct that forms the spatial cavity structure. The inner wall of the air duct bears the impact of airflow and guides the airflow. The sidewall of the first split air duct 11 can be the inner sidewall of the first split air duct 11 (for example, constructed in the form of a side plate perpendicular to the horizontal plane), the top wall of the first split air duct 11, the bottom wall of the first split air duct 11, etc.

[0059] Furthermore, the main housing 10 includes a first volute side plate 12. When the first splicing volute 30 is in the first assembly position, the first splicing volute 30 and the first volute side plate 12 and / or the side wall of the main housing 10 form part of the side wall of the first split air duct 11.

[0060] Optionally, the first splicing volute 30 has a first assembly position that connects to at least one of the first volute side plate 12 and the main housing 10. The first assembly position can ensure that the first splicing volute 30 can be connected to the first volute side plate 12 and the main housing 10 when needed.

[0061] Optionally, the first splicing volute 30 has a first disassembly position that is separate from the first volute side plate 12 and the main housing 10. The first disassembly position can ensure that the first splicing volute 30 can be separated from the first volute side plate 12 and the main housing 10 when needed.

[0062] Furthermore, the first splicing volute 30 is connected to the main housing 10, which allows the size of the volute to be changed without affecting the size of the main housing 10.

[0063] When the first splicing volute 30 is in the first assembly position, it blocks at least a portion of the corresponding first opening 121, and at least a portion of the first splicing volute 30 is located outside the main housing 10. This allows the first splicing volute 30 and the first volute side plate 12 to jointly form part of the sidewall of the first split air duct 11, thereby increasing the size of the first split air duct 11 and effectively improving the air intake. This solves the limitations on the size of the air duct and volute in the prior art. Therefore, without changing the size of the ceiling panel and the width of the keel, the size of the volute is increased, and the first splicing volute 30 and the main housing 10 are assembled. This increases the size of the air duct and volute while reducing the implementation difficulty and cost.

[0064] When the first splicing volute 30 is in the first assembly position, the first splicing volute 30 will block at least part of the corresponding first opening 121. This means that the first splicing volute 30 can completely seal the corresponding first opening 121, or the first splicing volute 30 can partially block the corresponding first opening 121. Although there may be a gap between the first splicing volute 30 and the corresponding first opening 121, it can still complete the air guiding task.

[0065] Specifically, when the first splicing volute 30 is in the first assembly position, the first volute side plate 12 is protruding and disposed on the outside of the first opening 121. The first volute side plate 12 being protruding and disposed on the outside of the first opening 121 can enlarge the size of the volute without changing the size of the main housing 10.

[0066] Specifically, when the first splicing volute 30 is in the first assembly position, a portion of the sidewall of the first split air duct 11 formed by the first splicing volute 30 and the first volute side plate 12 is arc-shaped. At this time, the first splicing volute 30 enlarges the size of the first split air duct 11. Designing the sidewall of the first split air duct 11 to be at least partially arc-shaped reduces air resistance on the sidewall of the first split air duct 11, making the airflow within the first split air duct 11 more uniform, reducing vibration during fan operation, and improving the stability and reliability of the fan. Furthermore, the arc-shaped design reduces air turbulence on the sidewall of the first split air duct 11, thereby reducing noise generation; the arc-shaped design also reduces wear on the sidewall of the first split air duct 11, extending its service life and reducing maintenance costs.

[0067] Specifically, the splicing housing 20 has a second split air duct 21, the second split air duct 21 has a second opening 221, the housing assembly includes a second splicing volute 40, the second splicing volute 40 has a second assembly position connected to the splicing housing 20, and the second splicing volute 40 has a second disassembly position separated from the splicing housing 20. When the second splicing volute 40 is in the second assembly position, the second splicing volute 40 is protrudingly disposed on the outer surface of the splicing housing 20, and the second splicing volute 40 blocks at least part of the second opening 221, so that the sidewalls of the second splicing volute 40 and the splicing housing 20 form part of the sidewalls of the second split air duct 21. In the technical solution of this embodiment, the sidewall of the main housing 10 can be the outermost frame housing structure of the main housing, or it can include a volute side plate disposed inside the main housing 10. The second split air duct 21 is a spatial cavity structure for airflow. The sidewall of the second split air duct 21 is specifically the inner wall of the air duct that forms the spatial cavity structure. The inner wall of the air duct bears the impact of airflow and guides the airflow. The sidewall of the second split air duct 21 can be the inner sidewall of the second split air duct 21 (for example, constructed in the form of a side plate perpendicular to the horizontal plane), the top wall of the second split air duct 21, the bottom wall of the second split air duct 21, etc.

[0068] Furthermore, the main housing 10 includes a second volute side plate 22. When the second volute side plate 22 is in the second assembly position, the second splicing volute 40 and the side wall of the second volute side plate 22 and / or the splicing housing 20 form part of the side wall of the second split air duct 21.

[0069] Optionally, the second splicing volute 40 has a second assembly position that connects to at least one of the second volute side plate 22 and the splicing housing 20. The second assembly position ensures that the second splicing volute 40 can be connected to the second volute side plate 22 and the splicing housing 20 when needed.

[0070] Optionally, the second splicing volute 40 has a second disassembly position that is separate from both the second volute side plate 22 and the splicing housing 20. The second disassembly position can ensure that the second splicing volute 40 can be separated from the second volute side plate 22 and the splicing housing 20 when needed.

[0071] Furthermore, the second splicing volute 40 is connected to the splicing housing 20, which allows the size of the volute to be changed without affecting the size of the splicing housing 20.

[0072] When the second splicing volute 40 is in the first assembly position, the second splicing volute 40 blocks at least a portion of the corresponding second opening 221, and at least a portion of the second splicing volute 40 is located outside the splicing housing 20, so that the second splicing volute 40 and the second volute side plate 22 together form part of the sidewall of the second split air duct 21, thereby expanding the size of the second split air duct 21, effectively increasing the air intake volume, and solving the limitations on the size of the air duct and volute in the prior art.

[0073] When the second splicing volute 40 is in the second assembly position, the second splicing volute 40 will block at least part of the corresponding second opening 221. This means that the second splicing volute 40 can completely seal the corresponding second opening 221, or the first splicing volute 30 can partially block the corresponding first opening 121. Although there may be a gap between the second splicing volute 40 and the corresponding second opening 221, it can still complete the air guiding task.

[0074] Specifically, when the second splicing volute 40 is in the second assembly position, the second volute side plate 22 is protrudingly disposed on the outside of the second opening 221. The second volute side plate 22 being protruding on the outside of the second opening 221 can enlarge the volute size without changing the size of the main housing 10.

[0075] Specifically, when the second splicing volute 40 is in the second assembly position, a portion of the sidewall of the second split air duct 21 formed by the second splicing volute 40 and the second volute side plate 22 has an arc-shaped structure. In this case, the second splicing volute 40 enlarges the size of the second split air duct 21. Designing a portion of the sidewall of the second split air duct 21 as at least partially arc-shaped can reduce air resistance on the sidewall of the second split air duct 21, making the airflow within the second split air duct 21 more uniform, reducing vibration during fan operation, and improving the stability and reliability of the fan. Furthermore, the arc-shaped design can reduce air turbulence within the second split air duct 21, thereby reducing noise generation; the arc-shaped design can also reduce wear on the sidewall of the second split air duct 21, extending its service life and reducing maintenance costs.

[0076] Specifically, such as Figure 3 As shown, when the first splicing volute 30 is in the first assembly position and the second splicing volute 40 is in the second assembly position, the contact area between the first splicing volute 30 and the second splicing volute 40 is smoothly transitioned. At this time, the first splicing volute 30 and the second splicing volute 40 are connected, and the first split air duct 11 and the second split air duct 21 are connected to form a complete air duct. The smooth transition design at the contact area between the first splicing volute 30 and the second splicing volute 40 can reduce the airflow resistance at the contact area, allowing the gas to smoothly enter the second split air duct 21 from the first split air duct 11, thereby increasing the gas flow rate within the complete air duct.

[0077] Optionally, the smooth transition at the contact point between the first splicing volute 30 and the second splicing volute 40 can reduce friction and wear, and extend service life.

[0078] Specifically, the main unit housing 10 has a third opening 13 on the side facing the splicing housing 20, which communicates with the first split air duct 11. The splicing housing 20 has a fourth opening 23 on the side facing the main unit housing 10, which communicates with the second split air duct 21. When the splicing housing 20 is connected to the main unit housing 10, the third opening 13 and the fourth opening 23 are connected. When the third opening 13 and the fourth opening 23 are connected, the first split air duct 11 and the second split air duct 21 are also connected, combining the first split air duct 11 and the second split air duct 21 into a complete air duct, greatly increasing the air duct size and improving the air intake volume.

[0079] Specifically, at least one of the first split air duct 11 and the second split air duct 21 has a fan unit 50.

[0080] Specifically, one of the first split air duct 11 and the second split air duct 21 has a heating unit 60, and the other of the first split air duct 11 and the second split air duct 21 has a fan unit 50. In this embodiment, the heating unit 60 is located in the first split air duct, and the fan unit 50 is located in the second split air duct.

[0081] It should be noted that when the bathroom heater is working, it draws in air through the fan section 50, then heats the air through the heating section 60, and then blows the hot air into the bathroom, so that the entire space is heated up quickly.

[0082] Optionally, placing the fan unit 50 and the heating unit 60 in two separate air ducts can effectively disperse heat and avoid overheating caused by heat concentration on the same side. This also facilitates heat dissipation and extends the service life of the equipment. Separating the fan unit 50 and the heating unit 60 can reduce mutual interference between the equipment, lower the failure rate during equipment operation, and improve operational safety. Placing the fan unit 50 and the heating unit 60 on opposite sides can better utilize the internal space of the casing and improve space utilization.

[0083] Specifically, such as Figure 4As shown, one of the main housing 10 and the splicing housing 20 has an air inlet 70 for introducing gas into the ventilation duct, and the other of the main housing 10 and the splicing housing 20 has an air outlet 80 for discharging gas from the ventilation duct. In this embodiment, the air inlet 70 is located on the main housing 10, and the air outlet 80 is located on the splicing housing. When the splicing housing 20 is in the connected position, the fan unit 50 draws air in from the air inlet 70. The fan unit 50 drives the gas to move along the first split air duct 11, flow into the second split air duct 21, is heated by the heating unit 60, and blows the hot air towards the bathroom, discharging the hot air in the bathroom to the outside through the air outlet 80.

[0084] It should be further explained that existing bathroom heater installations require drilling a 270*560mm hole in the large panel, and the heater's dimensions should be around 260*550mm to ensure proper installation. By cutting the casing lengthwise into two separate housings (main unit housing 10 and connecting housing 20), one half can be installed first, followed by the other, thus increasing the overall length of the bathroom heater. The maximum possible size for the bathroom heater is 260*1100mm. The connection point between the connecting housing 20 and the main unit housing 10 should avoid the size range of the fan within the blower section 50 to prevent connection difficulties.

[0085] During installation, part of the main unit casing can be moved through the pre-reserved installation port on the ceiling and then further into the ceiling space to support it on the keel (it can also be fixed by means of hangers, keel connections, wooden blocks, etc.). At this time, the pre-reserved installation port is partially occupied, and the occupied part is smaller than the area of ​​the main unit casing facing the ground.

[0086] The splicing housing can be pushed in through the remaining mounting holes, supported on the keel, and connected to the main housing.

[0087] Following the steps outlined above, assemble the main unit housing and the connecting housing, allowing the ceiling-mounted appliance, which is larger than the pre-reserved mounting opening, to be installed on the ceiling. At this point, the cabinet size can exceed the pre-reserved mounting opening size, freeing the internal airflow design from the cabinet's limitations and resulting in superior airflow performance. For ceiling-mounted appliances with other functions, their size is no longer restricted by the pre-reserved mounting opening in the ceiling, and their internal functional components can be redesigned to achieve even better performance.

[0088] Furthermore, when the housing assembly in the above embodiments is applied to ceiling appliances, since the spliced ​​volute can protrude outward to increase the flow area of ​​the air duct, the housing can have a larger air volume, thereby making the air outlet effect of the ceiling appliances better, more suitable for environments with high air volume requirements, and improving the air outlet performance and practicality of the ceiling appliances.

[0089] In one embodiment of this application, the ceiling-mounted electrical appliance is a bathroom heater / ventilation unit. The bathroom heater / ventilation unit has the housing assembly described in the previous embodiment, wherein the housing is the outer casing of the main unit, and a side plate for the air duct is formed within the housing. The air duct and the housing are two independently configured components. Alternatively, the side plate can be a plate-like structure, with the side plate, the side wall of the housing, and the bottom plate of the housing forming an air duct. Specifically, a collector hood is provided on the side of the housing opposite to the bottom, and a panel is provided on the outer side of the collector hood. The lamp assembly is located on the side containing the collector hood and the panel.

[0090] When the housing assembly is applied to a bathroom heater, the splicing volute protrudes outward onto the housing, increasing the airflow area of ​​the bathroom heater's air duct. This allows the housing to have a larger airflow without modifying the dimensions of the bathroom heater fan and housing assembly, resulting in better airflow performance, reduced installation complexity, and the ability to meet different user airflow requirements. This achieves performance optimization and simplified installation in the field of bathroom heater equipment, enhancing the airflow performance and practicality of the bathroom heater.

[0091] As can be seen from the above description, the embodiments of this utility model achieve the following technical effects:

[0092] 1. This solution divides the housing assembly into two parts: a main housing and a splicing housing, by cutting along the long side. The first splicing volute and the second splicing volute are installed on the main housing and the splicing housing, respectively, which effectively expands the size of the first and second split air ducts. The main housing and the splicing housing are then connected to form a complete housing, which greatly increases the size of the housing. When the main housing and the splicing housing are connected, the first and second split air ducts are also connected to form a complete ventilation channel, which greatly increases the air duct size and improves the air intake volume.

[0093] 2. During installation, the main unit housing and the splicing housing are first inserted into the installation positions on the ceiling. Then, the main unit housing and the splicing housing are detachably connected to form a complete housing. The splicing assembly method can significantly increase the size of the housing compared to the original, while greatly reducing the difficulty and cost of installation.

[0094] The above embodiments can also be applied to the field of ceiling electrical equipment technology. Specifically, according to another aspect of this utility model, a ceiling electrical appliance is provided, including a housing assembly, which is the housing assembly described in the above embodiments. An air collecting hood is provided on the side of the housing opposite to the bottom, and a panel is provided on the outer side of the air collecting hood. The lamp assembly is located on the side where the air collecting hood and the panel are located. Further, the air collecting plate, as part of the air duct, is used to block one side of the air duct. Specifically, the volute enclosure plate, the air collecting plate, and the bottom plate of the housing 1 together form a volute air duct, wherein the air inlet of the volute air duct is located on the air collecting plate.

[0095] As an alternative implementation, the air collecting plate is integrally formed on the volute side plate (first volute side plate and / or second volute side plate), meaning the volute side plate and the bottom plate of the casing together form a volute air duct (first split air duct and / or second split air duct), wherein the air inlet of the volute air duct is located on the top plate of the volute side plate. As an alternative implementation, the bottom plate is integrally formed on the volute side plate, meaning the volute side plate and the air collecting plate together form a volute air duct, wherein the air inlet of the volute air duct is located on the air collecting plate. As an alternative implementation, the volute side plate is integrally formed with the bottom plate and the top plate, meaning the volute side plate forms a volute air duct, wherein the air inlet of the volute air duct is located on the top plate.

[0096] 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.

[0097] 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.

[0098] 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.

[0099] 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 housing assembly, characterized by, The shell assembly comprises: a main shell (10); a splicing shell (20) which is detachably connected with the main shell (10) along the length direction of the main shell (10); the shell assembly further comprises an air duct which is located in at least one of the main shell (10) and the splicing shell (20); the main shell (10) has a first sub-air duct (11), and the splicing shell (20) has a second sub-air duct (21), when the splicing shell (20) is connected with the main shell (10), the first sub-air duct (11) and the second sub-air duct (21) are in communication to form a ventilation passage.

2. The housing assembly of claim 1, wherein, The main shell (10) is provided with a first connecting part (90) at one end facing the splicing shell (20), and the splicing shell (20) is provided with a second connecting part (100) at one end facing the main shell (10), and the first connecting part (90) and the second connecting part (100) are detachably connected.

3. The housing assembly of claim 2, wherein, The first connecting part (90) is a clamping structure, the second connecting part (100) is a buckling structure, and / or the first connecting part (90) is a buckling structure, and the second connecting part (100) is a clamping structure.

4. The housing assembly of claim 1, wherein, The main shell (10) has the first sub-air duct (11) therein, the first sub-air duct (11) has a first opening (121), the shell assembly comprises a first splicing volute (30), the first splicing volute (30) has a first assembly position connected with the main shell (10), and the first splicing volute (30) has a first disassembly position separated from the main shell (10), when the first splicing volute (30) is located at the first assembly position, the first splicing volute (30) blocks at least part of the first opening (121), so that the first splicing volute (30) and the side wall of the main shell (10) form part of the side wall of the first sub-air duct (11).

5. The housing assembly of claim 4, wherein, The main shell (10) comprises a first volute side plate (12), when the first splicing volute (30) is located at the first assembly position, the first splicing volute (30) and the first volute side plate (12) and / or the side wall of the main shell (10) form part of the side wall of the first sub-air duct (11).

6. The housing assembly of claim 4, wherein, When the first splicing volute (30) is located at the first assembly position, the first splicing volute (30) is protrudingly arranged outside the first opening (121).

7. The housing assembly of claim 4, wherein, The spliced shell (20) has the second split air duct (21) therein, the second split air duct (21) has a second opening (221), the shell assembly comprises a second spliced volute (40), the second spliced volute (40) has a second assembly position connected with the spliced shell (20), and the second spliced volute (40) has a second disassembly position separated from the spliced shell (20), when the second spliced volute (40) is in the second assembly position, the second spliced volute (40) is protrudingly arranged on the outer surface of the spliced shell (20), and the second spliced volute (40) blocks at least part of the second opening (221) so that the second spliced volute (40) and the side wall of the spliced shell (20) enclose part of the side wall of the second split air duct (21).

8. The housing assembly of claim 7, wherein, The spliced shell (20) comprises a second volute side plate (22), when the second spliced volute (40) is in the second assembly position, the second spliced volute (40) is enclosed with the second volute side plate (22) and / or the side wall of the spliced shell (20) to form part of the side wall of the second split air duct (21).

9. The housing assembly of claim 7, wherein, When the first spliced volute (30) is in the first assembly position and the second spliced volute (40) is in the second assembly position, the abutting portion of the first spliced volute (30) and the second spliced volute (40) is arranged smoothly.

10. The housing assembly of claim 1, wherein, The main shell (10) is provided with a third opening (13) communicating with the first split air duct (11) on the side facing the spliced shell (20), the spliced shell (20) is provided with a fourth opening (23) communicating with the second split air duct (21) on the side facing the main shell (10), and the third opening (13) and the fourth opening (23) are in communication when the spliced shell (20) is connected with the main shell (10).

11. The housing assembly of claim 1, wherein, At least one of the first split air duct (11) and the second split air duct (21) has a fan part (50) therein.

12. The housing assembly of claim 11, wherein, One of the first split air duct (11) and the second split air duct (21) has a heating part (60) therein, and the other of the first split air duct (11) and the second split air duct (21) has the fan part (50) therein.

13. The housing assembly of claim 1, wherein, One of the main shell (10) and the spliced shell (20) has an air inlet (70) for introducing gas into the ventilation channel, and the other of the main shell (10) and the spliced shell (20) has an air outlet (80) for discharging gas in the ventilation channel.

14. A ceiling mounted appliance comprising a housing assembly, characterised in that, The shell assembly is any one of the shell assemblies in claims 1 to 13.

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