Host and ceiling equipment of ceiling equipment

Abstract

The present invention provides a main unit of a ceiling device and the ceiling device. The main unit of the ceiling device comprises a housing, an outer rotor motor, and a centrifugal fan wheel. The housing is provided with a fresh air inlet, and the outer rotor motor is connected to the housing. The centrifugal fan wheel is connected to the outer rotor motor, and the outer rotor motor is used to drive the centrifugal fan wheel to rotate, and the centrifugal fan wheel is used to drive airflow from the fresh air inlet into the housing. Air is simultaneously taken in from both axial sides of the centrifugal fan wheel, and the main unit of the ceiling device has a large air intake volume per unit time, thereby increasing the amount of air discharged into the room per unit time, thereby facilitating improved air discharge efficiency of the main unit of the ceiling device and enhancing air circulation effects.

Description

Technical Field

[0001] The present invention relates to the technical field of suspended ceiling equipment, and in particular to a host of a suspended ceiling equipment and the suspended ceiling equipment. Background Art

[0002] Currently, ceiling-mounted appliances are widely used. Their blowing function draws indoor air into the bathroom mezzanine, where it is then blown back into the bathroom. Their ventilation function blows the air between the indoor and bathroom mezzanine levels outdoors. The air in the bathroom mezzanine level is prone to breeding bacteria and mold, resulting in poor air quality for the user. Summary of the Invention

[0003] The present invention aims to solve one of the technical problems existing in the prior art or related technologies.

[0004] In view of this, in the first aspect, the present invention proposes a main unit of a suspended ceiling device, comprising: a shell, on which a fresh air inlet is provided; an outer rotor motor, connected to the shell; a centrifugal fan wheel, connected to the outer rotor motor, the outer rotor motor is used to drive the centrifugal fan wheel to rotate, and the centrifugal fan wheel is used to drive the airflow from the fresh air inlet into the shell.

[0005] An outer rotor motor is installed on the shell, which is used to drive the centrifugal fan wheel to rotate. The centrifugal fan wheel serves as a driving source, allowing air to flow into and out of the shell. When the main unit is running, external fresh air can flow into the shell through the fresh air inlet, so that the external fresh air can be blown into the room. By blowing fresh air into the room, the air quality of the user's environment can be improved, creating a better living environment.

[0006] Compared with the inner rotor motor, at the same speed and load, the outer rotor can withstand higher torque and has the characteristics of lower power consumption, faster heat dissipation and longer service life.

[0007] In some embodiments, optionally, both axial sides of the centrifugal impeller are used to drive the airflow into the housing.

[0008] By utilizing the structural characteristics of the outer rotor motor, when the centrifugal fan wheel is running, air enters both sides of the axis of the centrifugal fan wheel at the same time, and the main unit of the ceiling equipment has a larger air intake volume per unit time, thereby increasing the amount of air discharged into the room per unit time, which is beneficial to improving the air outlet efficiency of the main unit of the ceiling equipment and improving the air circulation effect.

[0009] Because the main unit of the suspended ceiling device receives air from both sides of its axis, requiring a large air volume, an outer rotor motor can be used as the driving source. This outer rotor motor, combined with two sets of air inlets, ensures that the main unit of the suspended ceiling device receives a large air volume per unit time. In some technical solutions, the outer rotor motor has a hollow portion; the main unit of the suspended ceiling device also includes an air inlet assembly connected to the housing and located within the hollow portion, which drives airflow toward the centrifugal impeller.

[0010] The rotor of the outer rotor motor is arranged on the outside, so a hollow part can be provided in the middle of the outer rotor motor, and the hollow part provides space for the installation of the air inlet assembly.

[0011] The air intake assembly is installed in the hollow portion, making full use of the space in the middle of the outer rotor motor. The air intake assembly does not need to occupy additional space, which is beneficial to reducing the overall volume of the host of the ceiling equipment.

[0012] When the air intake assembly is running, the air intake assembly can drive the air flow from the fresh air inlet into the shell. The air intake assembly supplements power to the centrifugal wind wheel, so that the main unit of the ceiling equipment has a larger airflow driving force, which is beneficial to further improve the air intake speed of the main unit of the ceiling equipment per unit time, and thus is beneficial to improve the air outlet efficiency.

[0013] In some technical solutions, the outer rotor motor includes: a stator; a rotor, which is sleeved on the stator; a rotating shaft, the stator is sleeved on the rotating shaft, the rotor is connected to the rotating shaft, the rotating shaft is provided with a connecting part and a hollow part, and the centrifugal wind wheel is connected to the connecting part.

[0014] The rotor is mounted on the stator, and the stator and rotor cooperate to enable the rotor to rotate relative to the stator. The shaft is a hollow structure, so a hollow portion is provided in the middle of the shaft, and the air intake assembly is installed in the middle of the shaft to avoid the air intake assembly taking up additional space.

[0015] A connecting portion is formed on the rotating shaft, and the centrifugal wind wheel can be installed on the connecting portion. The centrifugal wind wheel is installed on the rotating shaft through the connecting portion, which makes it easy to disassemble and assemble the centrifugal wind wheel.

[0016] In some technical solutions, the outer rotor motor further includes: a bearing located between the rotating shaft and the stator, and the bearing and the connecting part are respectively located at the axial ends of the rotating shaft.

[0017] A bearing is provided between the rotating shaft and the stator, and the bearing supports the rotating shaft to ensure the rotation stability of the rotating shaft.

[0018] When the shaft rotates, one end of the shaft drives the centrifugal impeller to rotate, and the bearing supports the other end of the shaft, which is beneficial to reducing the dynamic balance error when the outer rotor motor is working and ensuring the operating stability of the outer rotor motor.

[0019] In some technical solutions, along the axial direction of the centrifugal wind wheel, the fresh air inlet is located on one side of the air inlet assembly.

[0020] The air intake assembly is directly opposite to the fresh air inlet, so that the air intake assembly can assist in drawing external fresh air into the shell, so that the ceiling equipment can realize the fresh air function. The fresh air can improve the quality of the air blown into the room, which is conducive to providing users with a good bathing environment.

[0021] In some technical solutions, the main unit of the ceiling device also includes: a mounting base connected to the shell, a part of the mounting base is located in the fresh air inlet, and the mounting base is used to connect to the external pipeline.

[0022] A mounting seat is provided on the shell, which is used to install an external pipe. Fresh air can be introduced into the shell through the external pipe. The mounting seat is set on the fresh air inlet, and the mounting seat is used to adapt to the external pipe so that the external pipe can be conveniently installed on the host.

[0023] In some technical solutions, the centrifugal wind wheel includes: blades, the first ends of the blades are close to the axis of the centrifugal wind wheel, and the second ends of the blades are away from the axis; in the radial direction of the centrifugal wind wheel, the tangent of the first end of the blade is set to L1, the tangent of the second end of the blade is set to L2, and a straight line L3 is set to pass through the second end of the blade, and the straight line L3 is perpendicular to L1; wherein, the angle between L1 and L2 is α, α satisfies, 25°≤α≤45°, and the angle between L2 and L3 is β, β satisfies, 50°≤β≤70°.

[0024] α is the angle between the tangent line at the first end of the blade and the tangent line at the second end of the blade, and can reflect the curvature of the blade. β is used to reflect the inclination of the second end of the blade.

[0025] If the value of α is too large, it means that the curvature of the blade is too large, and the blade hinders the flow of airflow. If the value of α is too small, it means that the curvature of the blade is small, and the blade has a poor effect on guiding the airflow. When α satisfies 25°≤α≤45°, the curvature of the blade is moderate, and the blade is not likely to hinder the flow of airflow, but can also play an effective role in guiding the airflow.

[0026] If β is too large, the inclination of the second end of the blade is too great, making it difficult for the airflow to flow away from the axis, resulting in a poor centrifugal effect. If β is too small, the blades tend to obstruct the flow of air. Therefore, when β satisfies 50°≤β≤70°, the centrifugal effect of the airflow is maintained while ensuring stable airflow along the blades.

[0027] In some technical solutions, the main unit of the suspended ceiling device also includes: a heating element, which is connected to the shell and is located on one side of the centrifugal wind wheel along the axial direction of the centrifugal wind wheel. The heating element is distributed along the circumference of the centrifugal wind wheel.

[0028] The heating element can heat the airflow near the centrifugal fan wheel. Therefore, the ceiling equipment has the function of blowing out hot air. When the user needs to heat the living environment, the heating element can be turned on to increase the temperature of the living environment to meet the user's usage needs in different scenarios.

[0029] In some technical solutions, the host of the ceiling device also includes: a flame-retardant electric control box connected to the shell.

[0030] The electric control box is made of flame-retardant material and is installed in the form of plastic-sealed electric control board, which can prevent domestic water from entering the electric control board, thereby increasing the life of the circuit board and the safety of the product.

[0031] In a second aspect, the present invention provides a suspended ceiling device, comprising a host of the suspended ceiling device in the first aspect.

[0032] Additional aspects and advantages of the invention will become apparent from the description which follows, or may be learned by practice of the invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of the embodiments with reference to the accompanying drawings, in which:

[0034] Figure 1 One of the structural schematic diagrams of the ceiling device in an embodiment of the present invention is shown;

[0035] Figure 2 The second structural diagram of the ceiling device in the embodiment of the present invention is shown;

[0036] Figure 3 The third structural diagram of the ceiling device according to the embodiment of the present invention is shown;

[0037] Figure 4 A schematic structural diagram of an outer rotor motor in an embodiment of the present invention is shown;

[0038] Figure 5 A partial schematic diagram of a suspended ceiling device according to an embodiment of the present invention is shown;

[0039] Figure 6 A schematic structural diagram of a centrifugal wind wheel in an embodiment of the present invention is shown;

[0040] Figure 7 An exploded view of a suspended ceiling device according to an embodiment of the present invention is shown;

[0041] Figure 8 A partial exploded view of a suspended ceiling device according to an embodiment of the present invention is shown;

[0042] Figure 9A fourth structural diagram of a ceiling device according to an embodiment of the present invention is shown;

[0043] Figure 10 An exploded view of a host computer in an embodiment of the present invention is shown.

[0044] Reference numerals:

[0045] 100 housing, 110 fresh air inlet, 120 air inlet, 130 air outlet, 140 air duct, 150 host, 151 box, 152 inner ring firmware, 153 outer ring firmware, 160 panel, 161 first mounting hole, 162 third light transmission hole, 163 outer ring panel, 164 inner ring panel, 170 plug-in part, 180 bracket, 190 grille, 210 outer rotor motor, 211 hollow part, 212 stator, 213 rotor, 214 rotating shaft, 215 bearing, 216 connecting part, 217 coil winding, 218 terminal block, 219 box cover, 220 permanent magnet, 230 centrifugal wind wheel, 231 blade, 240 air inlet assembly, 2 41 Hair dryer motor, 242 Hair dryer blade, 300 Heating element, 410 First lighting lampshade, 420 First lighting lamp, 500 Lighting assembly, 510 Second lighting lampshade, 520 Second lighting lamp, 521 Lamp beads, 522 Light board, 523 First plug hole, 530 Light shield, 531 Light shielding portion, 532 Light shielding plate, 533 Second plug hole, 534 First light transmission hole, 540 Light guide, 541 Light guide portion, 542 Light guide plate, 543 Third plug hole, 544 Second light transmission hole, 550 Second mounting through hole, 600 Baffle, 700 Projection lamp, 810 Mounting seat, 830 Flame retardant electric control box, 900 Panel assembly, 1000 Aluminum foil tube. DETAILED DESCRIPTION

[0046] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the absence of conflict, the embodiments of the present application and the features therein can be combined with each other.

[0047] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0048] Refer to the following Figures 1 to 10 A host of a ceiling device and a ceiling device provided according to some embodiments of the present invention are described.

[0049] Combine Figure 1 、 Figure 2 and Figure 3As shown, in an embodiment of the present invention, a host 150 of a ceiling device is proposed, comprising: a housing 100, an outer rotor motor 210 and a centrifugal fan wheel 230, wherein the housing 100 is provided with a fresh air inlet 110, the outer rotor motor 210 is connected to the housing 100, and the centrifugal fan wheel 230 is connected to the outer rotor motor 210, the outer rotor motor 210 is used to drive the centrifugal fan wheel 230 to rotate, and the centrifugal fan wheel 230 is used to drive the air flow from the fresh air inlet 110 into the housing 100 ( Figure 2 and Figure 3 The arrow in the middle indicates the direction of air flow).

[0050] An outer rotor motor 210 is mounted on the housing 100. The outer rotor motor 210 is used to drive the centrifugal fan 230. The centrifugal fan 230 serves as a driving source, allowing air to flow into and out of the housing 100. When the main unit 150 is running, external fresh air can flow into the housing 100 through the fresh air inlet 110, thereby blowing the external fresh air into the room. By blowing fresh air into the room, the air quality of the user's environment can be improved, creating a better living environment.

[0051] The ceiling device in this embodiment can be used as a ceiling appliance. For example, the host 150 of the ceiling device is a bathroom heater.

[0052] Compared with the inner rotor motor, at the same speed and load, the outer rotor can withstand higher torque and has the characteristics of lower power consumption, faster heat dissipation and longer service life.

[0053] In some embodiments, optionally, the axial direction of the centrifugal wind wheel 230 ( Figure 2 The arrows at the middle mark H point to the two sides for driving the air flow into the housing 100.

[0054] By utilizing the structural characteristics of the outer rotor motor 210, when the centrifugal fan wheel 230 is running, air enters both axial sides of the centrifugal fan wheel 230 at the same time, and the main unit 150 of the ceiling device has a larger air intake volume per unit time, thereby increasing the amount of air discharged into the room per unit time, which is beneficial to improving the air outlet efficiency of the main unit 150 of the ceiling device and improving the air circulation effect.

[0055] Since the main unit 150 of the ceiling device takes in air on both sides of the axis at the same time, a large air intake volume is required, so an outer rotor motor 210 can be used as a driving source. The outer rotor motor 210 cooperates with two sets of air intake structures to ensure that the main unit 150 of the ceiling device has a large air intake volume per unit time.

[0056] This embodiment aims to address the high energy loss of ceiling appliances by providing an outer rotor ceiling appliance that can increase the air volume and efficiency of the appliance and extend the service life of the main unit 150 of the ceiling appliance. The outer rotor motor 210 can increase the air intake area of ​​the ceiling appliance and improve air output efficiency.

[0057] The outer rotor motor 210 is fixed to the housing 100 by means of bolts, and its output shaft and the centrifugal impeller 230 are fixed by means of threads. Of course, the fixing is not limited to the threaded method.

[0058] The ceiling appliance of this embodiment can realize the air supply function through the outer rotor motor 210. Compared with the inner rotor motor 213, under the same speed and load, the outer rotor has the characteristics of higher torque, lower power consumption, faster heat dissipation and longer service life.

[0059] Combine Figure 2 、 Figure 3 and Figure 4 As shown, in some embodiments, the outer rotor motor 210 is provided with a hollow portion 211, and the main unit 150 of the ceiling device further includes: an air intake assembly 240, the air intake assembly 240 is connected to the shell 100, the air intake assembly 240 is located in the hollow portion 211, and the air intake assembly 240 is used to drive the airflow to flow toward the centrifugal wind wheel 230.

[0060] The rotor 213 of the outer rotor motor 210 is arranged on the outside, so a hollow portion 211 can be provided in the middle of the outer rotor motor 210 , and the hollow portion 211 provides space for the installation of the air intake assembly 240 .

[0061] The air intake assembly 240 is installed in the hollow portion 211, making full use of the space in the middle of the outer rotor motor 210. The air intake assembly 240 does not need to occupy additional space, which is beneficial to reducing the overall volume of the main unit 150 of the ceiling device.

[0062] When the air intake assembly 240 is running, the air intake assembly 240 can drive the air flow from the fresh air inlet 110 into the shell 100. The air intake assembly 240 supplements power for the centrifugal wind wheel 230, so that the main unit 150 of the ceiling equipment has a larger airflow driving force, which is beneficial to further improve the air intake speed of the main unit 150 of the ceiling equipment per unit time, and thus is beneficial to improve the air outlet efficiency.

[0063] Due to the structural characteristics of the outer rotor motor 210, the hollowed-out portion houses the air intake assembly 240. The fresh air inlet 110 is fitted with an aluminum foil tube 1000, the other end of which is connected to the outside air. This draws outdoor air into the fresh air inlet 110, achieving a fresh air function. The hollowed-out portion of the outer rotor motor 210 is not limited to hot air functions; it can also house the air intake assembly 240 for a strong hot air blower function or a projection assembly to enhance the ambient atmosphere.

[0064] Combine Figure 2 and Figure 4As shown, in some embodiments, the outer rotor motor 210 includes: a stator 212, a rotor 213 and a rotating shaft 214, the rotor 213 is sleeved on the stator 212, the stator 212 is sleeved on the rotating shaft 214, the rotor 213 is connected to the rotating shaft 214, the rotating shaft 214 is provided with a connecting portion 216 and a hollow portion 211, and the centrifugal wind wheel 230 is connected to the connecting portion 216.

[0065] The rotor 213 is sleeved on the stator 212. The stator 212 and the rotor 213 cooperate with each other to enable the rotor 213 to rotate relative to the stator 212. The rotating shaft 214 has a hollow structure, and a hollow portion 211 is provided in the middle of the rotating shaft 214. The air intake assembly 240 is installed in the middle of the rotating shaft 214 to avoid the air intake assembly 240 taking up additional space.

[0066] A connecting portion 216 is formed on the rotating shaft 214 , and the centrifugal wind wheel 230 can be installed on the connecting portion 216 . The centrifugal wind wheel 230 is installed on the rotating shaft 214 through a threaded structure, which facilitates the disassembly and assembly of the centrifugal wind wheel 230 .

[0067] Exemplarily, the connecting portion 216 is a threaded portion, and the centrifugal wind wheel 230 and the rotating shaft 214 are connected through a threaded structure. By electrically setting the rotation direction of the centrifugal wind wheel 230 to be opposite to the rotation direction of the thread, the centrifugal wind wheel 230 can be prevented from loosening during rotation, thereby ensuring the connection stability between the centrifugal wind wheel 230 and the outer rotor motor 210.

[0068] like Figure 4 As shown, in some embodiments, the outer rotor motor 210 further includes a bearing 215 , which is located between the rotating shaft 214 and the stator 212 , and the bearing 215 and the connecting portion 216 are respectively located at two axial ends of the rotating shaft 214 .

[0069] A bearing 215 is provided between the rotating shaft 214 and the stator 212 . The bearing 215 supports the rotating shaft 214 and ensures the rotation stability of the rotating shaft 214 .

[0070] When the shaft 214 rotates, one end of the shaft 214 drives the centrifugal impeller 230 to rotate, and the bearing 215 supports the other end of the shaft 214, which is beneficial to reducing the dynamic balance error of the outer rotor motor 210 when it is working and ensuring the operating stability of the outer rotor motor 210.

[0071] The outer rotor motor 210 includes: a motor frame, a rotor 213, a stator 212, a bearing 215 and a coil winding 217. The outer rotor motor 210 is characterized by a hollow middle portion, which can accommodate an air intake assembly 240 to ensure the performance of the ceiling appliance.

[0072] In some embodiments, optionally, along the axial direction of the centrifugal wind wheel 230 , the fresh air inlet 110 is located on one side of the air inlet assembly 240 .

[0073] The air flow blown into the room includes fresh air. The air inlet component 240 is opposite to the fresh air inlet 110, so that the air inlet component 240 can assist in sucking external fresh air into the shell 100, so that the ceiling equipment can realize the fresh air function. The fresh air can improve the quality of the air blown into the room, which is conducive to providing a good bathing environment for users.

[0074] Combine Figure 9 and Figure 10 As shown, in some embodiments, the main unit 150 of the ceiling device also includes: a mounting base 810, the mounting base 810 is connected to the shell 100, a part of the mounting base 810 is located in the fresh air inlet 110, and the mounting base 810 is used to connect to the external pipe (aluminum foil tube 1000).

[0075] A mounting seat 810 is provided on the shell 100, and the mounting seat 810 is used to install an external pipe (aluminum foil tube 1000). Fresh air can be introduced into the shell 100 through the external pipe (aluminum foil tube 1000). The mounting seat 810 is set on the fresh air inlet 110, and the mounting seat 810 is used to adapt to the external pipe (aluminum foil tube 1000), so that the external pipe (aluminum foil tube 1000) can be conveniently installed on the host 150.

[0076] Combine Figure 2 and Figure 6 As shown, in some embodiments, the centrifugal wind wheel 230 includes: blades 231, the first end of the blades 231 is close to the axis C of the centrifugal wind wheel 230, and the second end of the blades 231 is away from the axis C. Figure 2 (The arrow at the center mark R points to the right). The tangent line at the first end of blade 231 is set as L1, the tangent line at the second end of blade 231 is set as L2, and a straight line L3 is set to pass through the second end of blade 231 and be perpendicular to L1. The angle between L1 and L2 is α, where α satisfies 25°≤α≤45°, and the angle between L2 and L3 is β, where β satisfies 50°≤β≤70°.

[0077] α is the angle between the tangent line of the first end of the blade 231 and the tangent line of the second end of the blade 231 , and α can reflect the curvature of the blade 231 . β is used to reflect the inclination of the second end of the blade 231 .

[0078] If the value of α is too large, it means that the degree of curvature of blade 231 is too large, and blade 231 hinders the flow of airflow. If the value of α is too small, it means that the degree of curvature of blade 231 is small, and blade 231 has a poor effect in guiding the airflow. When α satisfies 25°≤α≤45°, the degree of curvature of blade 231 is moderate, and blade 231 is not easy to hinder the flow of airflow, and can also play an effective role in guiding the airflow.

[0079] If the value of β is too large, the inclination of the second end of the blade 231 is too great, making it difficult for the airflow to flow away from the axis C, resulting in a poor centrifugal effect of the airflow. If the value of β is too small, the blade 231 may easily obstruct the flow of the airflow. Therefore, when β satisfies 50°≤β≤70°, the centrifugal effect of the airflow can be maintained while ensuring stable airflow along the blade 231.

[0080] In some embodiments, the main unit 150 of the ceiling device also includes: a heating element 300, which is connected to the shell 100, and is located on one side of the centrifugal wind wheel 230 along the axial direction of the centrifugal wind wheel 230, and the heating element 300 is distributed along the circumference of the centrifugal wind wheel 230.

[0081] The heating element 300 can heat the airflow near the centrifugal wind wheel 230. Therefore, the ceiling device has the function of blowing out hot air. When the user needs to heat the living environment, the heating element 300 can be turned on to increase the temperature of the living environment to meet the user's usage needs in different scenarios.

[0082] The heating element 300 may be at least one of a thermistor, a far-infrared lamp, a graphene heating tube, a graphene heating sheet, and a heating wire.

[0083] In some embodiments, the host 150 of the ceiling device further includes: a flame-retardant electric control box 830 , which is connected to the housing 100 .

[0084] The electric control box 830 is made of flame-retardant materials and is installed in the form of a plastic-sealed electric control board, which can prevent domestic water from entering the electric control board, thereby increasing the life of the circuit board and the safety of the product.

[0085] In some embodiments of the present invention, a ceiling device is proposed, including the host 150 of the ceiling device in any of the above embodiments, and can achieve the same technical effects, which will not be described in detail here.

[0086] The ceiling device also includes: a panel assembly 900, the panel assembly 900 is connected to the housing 100, the panel assembly 900 is provided with an air inlet 120 and an air outlet 130, the fresh air inlet 110 and the air inlet 120 are located in the axial direction of the centrifugal wind wheel 230 ( Figure 2 The arrows at the middle mark H point to both sides of the panel 900 , the air inlet 120 and the air outlet 130 are located on the same side of the panel assembly 900 , and the centrifugal wind wheel 230 is used to inhale air through the fresh air inlet 110 and the air inlet 120 , and blow the air out through the air outlet 130 .

[0087] Fresh air inlet 110 and air inlet 120 simultaneously draw in air. Fresh air inlet 110 provides fresh air from the outside to housing 100, ensuring that the airflow entering the room includes fresh air. This allows the air supply device to achieve its fresh air function. This fresh air improves the quality of the air entering the room, providing a pleasant bathing environment for the user. The larger the air intake per unit time, the greater the amount of air discharged into the room per unit time, thereby improving the air output efficiency of main unit 150 of the ceiling device and enhancing the air circulation effect.

[0088] Combine Figure 2 、 Figure 3 and Figure 5 As shown, in some embodiments, the air outlet 130 is distributed along the circumference of the air inlet 120, the distance between the side of the air outlet 130 close to the air inlet 120 and the air inlet 120 is a, the diameter of the centrifugal wind wheel 230 is D, and a and D satisfy 0.4≤a / D≤0.8.

[0089] The centrifugal wind wheel 230 adopts a structure of central air intake and peripheral air outlet. Under the driving action of the centrifugal wind wheel 230, the air flow flows in a centrifugal direction, that is, the air flow flows in a direction away from the axis C of the centrifugal wind wheel 230.

[0090] If the ratio of a to D is too small, it means that the distance between the air outlet 130 and the air inlet 120 is small, and the airflow discharged from the air outlet 130 is likely to flow back into the air inlet 120. If the ratio of a to D is too large, it means that the distance between the air outlet 130 and the air inlet 120 is too large, which will increase the overall size of the suspended ceiling equipment. Therefore, when a and D satisfy 0.4≤a / D≤0.8, the airflow discharged from the air outlet 130 is unlikely to flow back into the air inlet 120, ensuring that the airflow can circulate effectively indoors and preventing the airflow immediately after exiting the air outlet 130 from being sucked into the air inlet 120. Moreover, within the above range, the airflow discharged from the air outlet 130 is unlikely to flow back into the air inlet 120, thereby eliminating the need to further increase the distance between the air outlet 130 and the air inlet 120 and preventing the overall size of the suspended ceiling equipment from being too large.

[0091] like Figure 2 As shown, in some embodiments, the panel assembly 900 includes a housing 151, which is provided with an air duct 140. The first end of the air duct 140 is located on one side of the centrifugal impeller 230, and the second end of the air duct 140 is connected to the air outlet 130. The ceiling device also includes a heater 300, which is connected to the housing 151 and at least a portion of which is located within the air duct 140.

[0092] The centrifugal impeller 230 drives air through the air duct 140 toward the air outlet 130, which guides the airflow. A heater 300 is installed within the air duct 140. When the heater 300 is turned on, the airflow passes through the heater 300 and heats it, resulting in hot air being blown out of the air outlet 130.

[0093] When bathing, the user can turn on the heating element 300, allowing hot air to heat the bathroom, ensuring a constant ambient temperature while bathing and improving the user experience. Because the ceiling system has two air inlet structures, it can improve air outlet efficiency. By heating the airflow through the heating element 300, the ceiling system can quickly provide a large amount of heated air to the bathroom, achieving a rapid temperature increase and improving user satisfaction.

[0094] The box body 151 is connected to the housing 100 . The box body 151 can be locked to the housing 100 by means of screws or other structures, or the box body 151 and the housing 100 are an integrated structure.

[0095] Combine Figure 2 and Figure 5 As shown, in some embodiments, the housing 151 includes: a panel 160, an inner ring fixture 152, and an outer ring fixture 153. The first end of the inner ring fixture 152 is connected to the panel 160, and the first end of the outer ring fixture 153 is connected to the panel 160. The air duct 140 is formed between the outer ring fixture 153 and the inner ring fixture 152. The centrifugal impeller 230 has an axis C, and the outer ring fixture 153 is located on a side of the inner ring fixture 152 that is away from the axis C. The tangent of the second end of the inner ring fixture 152 is set as L4, and a straight line b is set to pass through the second end of the inner ring fixture 152. The straight line b extends along the radial direction of the centrifugal impeller 230. The angle between L4 and b is γ, and γ satisfies 20°≤γ≤45°.

[0096] An air duct 140 is formed between the inner ring fixture 152 and the outer ring fixture 153, and air can flow between the inner ring fixture 152 and the outer ring fixture 153 toward the air outlet 130. The inner ring fixture 152 guides the airflow, so the inclination angle of the end of the inner ring fixture 152 can affect the direction of the airflow.

[0097] The angle γ formed between the tangent line at the second end of inner ring fixture 152 and radially extending line b is used to represent the inclination angle of the second end of inner ring fixture 152. If the inclination angle of the second end of inner ring fixture 152 is too small, the degree of inclination of inner ring fixture 152 is too large, and inner ring fixture 152 will occupy too much radial space within the ceiling fixture, resulting in an increase in the size of the ceiling fixture. If the inclination angle of the second end of inner ring fixture 152 is too large, the degree of inclination of inner ring fixture 152 will be too small, and the air outlet 130 will be closer to the air inlet 120, making it easier for the airflow discharged from the air outlet 130 to flow directly back into the air inlet 120.

[0098] The second end of the inner ring fixture 152 and the second end of the outer ring fixture 153 are connected to the housing.

[0099] When the angle γ satisfies 20°≤γ≤45°, the inner ring firmware 152 will not occupy too much radial space in the ceiling device, which can avoid the ceiling device being too large. Moreover, the second end of the inner ring firmware 152 has a sufficient distance from the air inlet 120, and the airflow discharged from the air outlet 130 is not easy to directly flow back to the air inlet 120, which is beneficial to the circulation effect of the airflow.

[0100] Combine Figure 2 and Figure 5 As shown, in some embodiments, the tangent of the second end of the outer ring fixture 153 is set to L5, the line L6 passes through the second end of the outer ring fixture 153, and L6 is perpendicular to L4, the width of the first end of the air duct 140 is d, and L6 and d satisfy 0.3≤L6 / d≤0.65.

[0101] The distance between the tangent line at the second end of inner ring fastener 152 and the tangent line at the second end of outer ring fastener 153 represents the size of the opening at the second end of air duct 140. The width of the first end of air duct 140 represents the size of the opening at the first end of air duct 140. The ratio of L6 to d represents the rate of change of the opening area of ​​air duct 140. As the opening area of ​​air duct 140 gradually decreases from the first end to the second end of air duct 140, the airflow velocity gradually increases, allowing the airflow to be discharged from air outlet 130 at a relatively fast speed, thereby preventing the airflow from directly flowing back into air inlet 120.

[0102] If the ratio of L6 to d is too large, the difference between the opening area at the first end of air duct 140 and the opening area at the second end of air duct 140 will be small, resulting in a poor airflow acceleration effect. If the ratio of L6 to d is too small, air duct 140 will obstruct the flow of air, resulting in a decrease in exhaust volume per unit time. Therefore, by limiting the ratio of L6 to d to 0.3 ≤ L6 / d ≤ 0.65, and when the rate of change of air duct 140 meets the above conditions, the airflow can be effectively accelerated and the exhaust speed of the airflow can be increased, while also preventing air duct 140 from obstructing the flow of airflow, increasing the exhaust volume per unit time, and promoting the circulation effect of the airflow.

[0103] Combine Figure 2 and Figure 5 As shown, in some embodiments, the suspended ceiling equipment further includes: a first lighting lampshade 410 and a first lighting lamp 420, the first lighting lampshade 410 is connected to the panel 160, the first lighting lampshade 410 and the air outlet 130 are located on the same side of the panel 160, and the first lighting lamp 420 is located in the first lighting lampshade 410 and connected to the first lighting lampshade 410.

[0104] A first lighting lampshade 410 is mounted on the panel 160. A first lighting lamp 420 is located within the first lighting lampshade 410. The first lighting lamp 420 serves as the light source for the ceiling device. When a user uses the ceiling device, they can turn on the first lighting lamp 420 to illuminate the device, providing convenience for the user. The first lighting lampshade 410 guides the light from the first lighting lamp 420, thereby improving the lighting effect of the first lighting lamp 420.

[0105] Combine Figure 2 and Figure 5 As shown, in some embodiments, the ceiling device further includes: a lighting assembly 500, the lighting assembly 500 is connected to the panel 160, a portion of the lighting assembly 500 is located in the air inlet 120, and the first lighting lamp 420 is distributed along the circumference of the lighting assembly 500.

[0106] A lighting assembly 500 is installed at the air inlet 120, with a first lighting fixture 420 positioned circumferentially around the lighting assembly 500. The first lighting fixture 420 can illuminate a wide area, while the lighting assembly 500 is positioned in the center of the suspended ceiling system, providing centralized lighting. The first lighting fixture 420 and the lighting assembly 500 can be used in conjunction with each other. For example, depending on user needs, one lighting fixture or both lighting fixtures can be activated simultaneously, achieving lighting through both fixtures. This helps meet user needs in various situations.

[0107] Combine Figure 2 、 Figure 5 、 Figure 7 and Figure 8As shown, in some embodiments, the lighting assembly 500 includes: a second lighting lampshade 510, a second lighting lamp 520, a light shield 530, and a light guide 540. The second lighting lampshade 510, the second lighting lamp 520, the light shield 530, and the light guide 540 are mounted on the panel 160. The second lighting lamp 520 is located in the second lighting lampshade 510 and includes a lamp bead 521. The light shield 530 includes a light shielding portion 531, which covers the lamp bead 521. The light shielding portion 531 is provided with a first light transmission hole 534, and the lamp bead 521 is arranged opposite the first light transmission hole 534. The light shield 530 is located between the light guide 540 and the second lighting lamp 520. The light guide 540 includes a light guide portion 541. A portion of the light guide portion 541 is inserted into the first light hole 534. A second light hole 544 is provided on the light guide portion 541. The second light hole 544 is arranged opposite to the lamp bead 521.

[0108] A second lighting lampshade 510 is mounted on the housing 100, and a second lighting lamp 520 is located within the second lighting lampshade 510. The second lighting lamp 520 serves as the light source for the ceiling device. When a user uses the ceiling device, they can turn on the second lighting lamp 520 to illuminate the device, providing convenience for the user. The second lighting lampshade 510 guides the light from the second lighting lamp 520, thereby improving the lighting effect of the second lighting lamp 520.

[0109] The second lighting lamp 520 includes a lamp bead 521, a lampshade is used for lighting, a shading portion 531 shines on the lamp bead 521, a first light-transmitting hole 534 is provided on the shading portion 531, the light emitted by the lamp bead 521 can pass through the first light-transmitting hole 534, and the shading portion 531 blocks the light emitted by the lamp bead 521, so that the light can only pass through the shading portion 531 along the first light-transmitting hole 534 and will not scatter everywhere.

[0110] Light guide 541 is inserted into light shield 531. Light guide 541 is provided with a second light-transmitting hole 544. First light-transmitting hole 534 and second light-transmitting hole 544 are connected, allowing light to pass through second light-transmitting hole 544 and exit. Light guide 541 guides the light, ensuring that it reaches the target area. The light shield 531 and light guide 541 work together to focus the light emitted by lamp beads 521 on the target area, thereby improving the illumination brightness of the target area.

[0111] Combine Figure 2 、 Figure 5 、 Figure 7 and Figure 8As shown, in some embodiments, the second lighting lamp 520 further includes a lamp board 522, on which a lamp bead 521 is disposed, and a first insertion hole 523 is defined in the lamp board 522. The light shield 530 further includes a light shielding plate 532, with a light shielding portion 531 disposed on a side of the light shielding plate 532 facing away from the second lighting lamp 520, and a second insertion hole 533 is defined in the light shielding plate 532. The light guide 540 further includes a light guide plate 542, with a light guide portion 541 disposed on the light guide plate 542, and a third insertion hole 543 is defined in the light guide plate 542. The panel assembly 900 further includes a plugging portion 170. The panel 160 is provided with a fresh air inlet 110 and an air outlet 130. The plugging portion 170 is disposed on the panel 160 and sequentially plugs into the third insertion hole 543, the second insertion hole 533, and the first insertion hole 523.

[0112] The lamp beads 521 are mounted on the lamp board 522, the light shielding portion 531 is mounted on the light shielding plate 532, and the light guide portion 541 is mounted on the light guide plate 542. The lamp board 522, the light shielding plate 532, and the light guide plate 542 are respectively provided with a first insertion hole 523, a second insertion hole 533, and a third insertion hole 543. The panel 160 is provided with an insertion portion 170, which is sequentially inserted into the third insertion hole 543, the second insertion hole 533, and the first insertion hole 523, so that the insertion portion 170 passes through the light guide plate 542, the light shielding plate 532, and the lamp board 522 in sequence. The plug-in portion 170 limits the light guide plate 542, the light shielding plate 532 and the lamp board 522, so that the positions of the panel 160, the light guide plate 542, the light shielding plate 532 and the lamp board 522 are fixed, and the panel 160, the light guide plate 542, the light shielding plate 532 and the lamp board 522 are not easy to move relative to each other, ensuring that the light emitted by the lamp bead 521 can be emitted stably.

[0113] This embodiment proposes that the ceiling appliance can use traditional panel components to achieve the blowing function.

[0114] In a possible application, a third light-transmitting hole 162 is provided on the panel 160 , and the third light-transmitting hole 162 is arranged opposite to the lamp bead 521 .

[0115] Combine Figure 5 and Figure 7 As shown, in some embodiments, the ceiling device further includes: a baffle 600 , which is connected to the panel 160 , and is located between the centrifugal wind wheel 230 and the lighting assembly 500 , and is used to cover the centrifugal wind wheel 230 .

[0116] The baffle 600 is installed on the panel 160, and the baffle 600 is located between the centrifugal wind wheel 230 and the lighting assembly 500. An opening is provided on the panel 160. If the baffle 600 is not provided, the user can see the centrifugal wind wheel 230 through the opening on the panel 160, affecting the overall aesthetics of the suspended ceiling equipment. Therefore, when the baffle 600 is provided between the centrifugal wind wheel 230 and the lighting assembly 500, the user can see the baffle 600 through the opening. The baffle 600 blocks the centrifugal wind wheel 230, so that the user cannot directly see the centrifugal wind wheel 230. Moreover, the baffle 600 is a flat plate structure. The baffle 600 will not affect the overall aesthetics of the suspended ceiling equipment, which is conducive to improving the user's satisfaction with the use of the suspended ceiling equipment.

[0117] In a possible application, the air inlet 120 is set at the bottom of the plug-in portion 170, and the air flow flows through the plug-in portion 170 to the bottom of the baffle 600, and the air flow flows through the gap between the plug-in portion 170 and the baffle 600, bypassing the baffle 600 and being sucked into the centrifugal wind wheel 230. Figure 5 and Figure 8 As shown, in some embodiments, the ceiling device also includes: a projection lamp 700, a first mounting hole 161 is provided on the panel 160, a second mounting hole 550 is provided on the lighting assembly 500, the projection lamp 700 passes through the first mounting hole 161 and the second mounting hole 550, and is connected to the baffle 600, and a portion of the projection lamp 700 protrudes from the panel 160 in a direction away from the baffle 600.

[0118] Projection lamp 700 is mounted on baffle 600 and can project light into the room, creating an aesthetically pleasing image on the floor. Projection lamp 700 protrudes from panel 160, preventing panel 160 from obstructing the projection path of projection lamp 700. This allows projection lamp 700 to better cover the floor and enhance the projection effect.

[0119] A first mounting through hole 161 and a second mounting through hole 550 are respectively provided on the panel 160 and the lighting assembly 500. The first mounting through hole 161 and the second mounting through hole 550 avoid the projection lamp 700, thereby providing an installation space for the projection lamp 700. The projection lamp 700 utilizes a part of the space on the panel 160 and the lighting assembly 500, which is conducive to improving space utilization.

[0120] In some embodiments, panel 160 comprises a circular panel.

[0121] In related art, when the bottom surface of the panel is circular, the airflow tends to flow directly back to the air inlet. Furthermore, in the present invention, the spacing between the air inlet 120 and the air outlet 130, the structural design of the air duct 140, and the dual air inlet design improve the air outlet efficiency, air outlet speed, and air outlet angle. This makes it difficult for the airflow discharged from the air outlet 130 to flow directly back to the air inlet 120. This allows the use of a circular panel as the bottom panel of the ceiling device. The circular panel is more aesthetically pleasing and helps improve user satisfaction with the main unit 150 of the ceiling device.

[0122] Currently, most of the ceiling appliances on the market are square, and there are very few round ceiling appliances. This is because under certain area conditions, the air outlet area of ​​the round product needs to be smaller than the air inlet area to prevent the hot air from flowing back to the air inlet before reaching the ground. The above-mentioned structural improvement is adopted in this embodiment to overcome the above-mentioned defects, so that round panels can be used on the ceiling equipment.

[0123] The panel 160 of the ceiling device in this embodiment can be designed as a circular panel, which solves the problem that the circular panel has a low wind speed and the wind from the air outlet 130 flows back to the air inlet 120 before it reaches the ceiling appliance at a distance of 2.2m from the normal line, resulting in poor user experience (warm head and cold feet effect).

[0124] In one possible embodiment, the ceiling device of this embodiment includes: a housing 100, a box 151, an outer rotor motor 210, a centrifugal impeller 230, a flame-retardant electrical control box 830, a thermistor (heating element 300), a terminal block 218, a box cover 219, and an air inlet assembly 240. The panel assembly 900 includes an outer ring fixture 153, an inner ring fixture 152, a baffle 600, an outer ring panel 163, an inner ring panel 164 (the panel 160 includes the inner ring panel 164 and the outer ring panel 163), a lamp panel 522, a light guide 540, a light shield 530, a first lighting lampshade 410, a first lighting lamp 420, and a projection lamp 700.

[0125] The housing 100 and the box cover 219 are an integrated structure, or the housing 100 and the box cover 219 are connected by a connecting component.

[0126] The host 150 is fixed to the ceiling by a hanging installation method (described herein as a screw-nut installation scheme), and the panel assembly 900 is embedded in the ceiling by a fixing method (described herein as a fixing frame and a buckle).

[0127] Outer rotor motor 210 includes a shaft 214, a rotor 213, coil windings 217, permanent magnets 220, bearings 215, a stator 212, and a conductive plate. Shaft 214 is threaded to securely engage centrifugal impeller 230, while bearings 215 are located at the bottom of the motor to minimize dynamic balancing errors during operation.

[0128] The stator 212 includes stator slots and a stator retaining ring. The stator slots cooperate to form an inner ring, which is then assembled with the stator retaining ring and coil winding 217. This method can reduce mold and manufacturing costs while facilitating the assembly of coil winding 217.

[0129] The centrifugal impeller 230 is designed as a backward-facing impeller, with an angle α set between 25° and 45° and an angle β set between 50° and 70°. It is screw-fastened to the outer rotor motor 210. During operation, the impeller can be prevented from loosening simply by electronically setting its rotation direction opposite to the direction of the screw threads.

[0130] An air intake assembly 240 is installed at the fresh air inlet 110, wherein the air intake assembly 240 is fixed to the shell 100 by means of bolts. The shell 100 is provided with an assembly port adapted to the aluminum foil tube 1000 to complete the installation and fixation of the aluminum foil tube 1000.

[0131] The air inlet 120 is provided on the inner panel 164 . During operation, the indoor air is sucked onto the surface of the centrifugal wind wheel 230 through the inner panel 164 .

[0132] The panel assembly features three different lighting modes. One lighting mode includes a first lighting shade 410 and a first lighting lamp 420, achieving 15W-24W of power. A second nightlight mode includes a second lighting shade 510, an inner panel 164, a light guide 540, a light shield 530, and a second lighting lamp 520. A third projection mode includes a projection lamp 700 and a baffle 600. The projection lamp 700 is secured to the baffle 600 with a clip, then snaps onto the inner panel 164 and rests on the surface, protruding 10mm to 30mm above the panel 160 to create a projection effect that covers the entire bathroom.

[0133] The air duct 140 is composed of an outer ring fixture 153 and an inner ring fixture 152. The normal distance a between the air outlet 130 of the inner ring fixture 152 and the air inlet 120 of the inner ring panel 164 must be within a range of 0.4 to 0.8 relative to the diameter of the centrifugal impeller 230 (a / centrifugal impeller 230 diameter). The greater the ratio, the more difficult it is for the air at the product air outlet 130 to flow back to the second air inlet 120. The angle γ between the tangent line of the air outlet position of the inner ring fixture 152 and the normal line of the inner ring panel 164 should be set within a range of 20° to 45°. The ratio (L6 / d) between the distance L6 between the tangent line of the air outlet position of the outer ring fixture 153 and the air outlet position of the inner ring fixture 152 and the width d of the first end of the air duct 140 should be set within a range of 0.3 to 0.65.

[0134] In a possible application, the outer rotor motor 210 is provided on the housing 100 and is installed and fixed by bolts.

[0135] The centrifugal wind wheel 230 is provided on the outer rotor motor 210 and is fixed to the outer rotor motor 210 by using threads.

[0136] The flame-retardant electric control box 830 is provided on the housing 100 and is fixed to the housing 100 in a fixing manner (herein, fixed by bolts).

[0137] The bracket 180 is provided on the housing 100 and is fixed to the housing 100 in a fixing manner (herein, fixed by bolts).

[0138] The positive temperature coefficient thermistor (heating element 300 ) is disposed on the bracket 180 and is fixed to the bracket 180 in a fixing manner (herein, fixed by bolts).

[0139] The box cover 219 is provided on the housing 100 and is fixed to the housing 100 in a fixing manner (herein, fixed by bolts).

[0140] The connection terminal 218 is provided on the housing 100 and is fixed to the housing 100 in a fixing manner (herein, fixed by bolts).

[0141] Furthermore, the centrifugal fan wheel 230 has an air inlet structure on its surface, and the air inlet 120 is provided on the panel 160 and can be communicated with the indoor air. The fresh air inlet 110 is provided on the back of the box body 151 and can be communicated with the outdoor air.

[0142] Furthermore, the air inlet assembly 240 is fixed to the inner ring of the outer rotor motor 210 through the housing 100 , and the outer surface of the housing 100 can be connected to the outside through the aluminum foil tube 1000 . The air inlet assembly 240 includes a fan motor 241 and fan blades 242 .

[0143] Furthermore, the wind energy generated by the centrifugal wind wheel 230 during operation can be sent to the positive temperature coefficient thermistor to form hot air through the wind guide feature designed by the panel assembly 900, and then blown into the room through the air duct 140 composed of the inner ring firmware 152 and the outer ring firmware 153, thereby achieving the effect of sending warm air.

[0144] Furthermore, the flame-retardant electric control box 830 is made of flame-retardant materials and is installed in the form of a plastic-sealed electric control board, which can prevent domestic water from entering the electric control board, thereby increasing the life of the circuit board and the safety of the product.

[0145] The outer ring fastener 153 is provided on the panel 160 and is fixed on the panel 160 in a fixing manner (herein, fixed by bolts).

[0146] The inner ring fixture 152 is provided on the panel 160 and is fixed on the panel 160 in a fixing manner (herein, fixed by bolts).

[0147] The baffle 600 is provided on the inner ring fixture 152 and is fixed to the inner ring fixture 152 in a fixing manner (herein, fixed by bolts).

[0148] The panel 160 is provided on the inner ring fixture 152 and is fixed to the inner ring fixture 152 in a fixing manner (herein, fixed by bolts).

[0149] The inner ring panel 164 is provided on the baffle 600 and is fixed on the baffle 600 in a fixing manner (herein, fixed by bolts).

[0150] The lamp panel 522 is provided on the baffle 600 and is fixed on the baffle 600 in a fixing manner (herein, fixed by bolts).

[0151] The light guide 540 is provided on the inner ring panel 164 and is fixed on the inner ring panel 164 in a fixing manner (herein, a snap-fit ​​fixing manner).

[0152] The second lighting lampshade 510 is provided on the inner circle panel 164 and is fixed on the inner circle panel 164 in a fixing manner (herein, a snap-fit ​​fixing manner).

[0153] The first lighting lampshade 410 is provided on the outer ring fixture 153 and is fixed on the outer ring fixture 153 in a fixing manner (herein, a snap-fit ​​fixing manner).

[0154] The first lighting lamp 420 is disposed in the first lighting lampshade 410 and is fixed to the first lighting lampshade 410 in a fixing manner (herein, fixing is performed by gluing).

[0155] The projection lamp 700 is disposed on the inner circle panel 164 and is fixed to the inner circle panel 164 in a fixing manner (herein, a snap-fit ​​fixing manner).

[0156] The main body 150 further includes a grille 190 , which is disposed on the housing 100 .

[0157] The panel 160 can be customized according to needs.

[0158] In the present invention, the term "plurality" refers to two or more, unless otherwise specified. Terms such as "installed," "connected," "connected," and "fixed" should be interpreted broadly. For example, "connected" can mean fixed, removable, or integral; and "connected" can mean directly or indirectly through an intermediary. Those skilled in the art will understand the specific meanings of these terms in the present invention based on specific circumstances.

[0159] Throughout this specification, terms such as "one embodiment," "some embodiments," and "specific embodiments" mean that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0160] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

Claims

1. A host of a ceiling device, characterized in that: include: a housing, wherein a fresh air inlet is provided on the housing; an outer rotor motor connected to the housing, wherein the outer rotor motor has a hollow portion; a centrifugal fan wheel connected to the outer rotor motor, the outer rotor motor being used to drive the centrifugal fan wheel to rotate, and the centrifugal fan wheel being used to drive air flow from the fresh air inlet into the housing; an air inlet assembly connected to the housing, the air inlet assembly being located in the hollow portion and configured to drive airflow toward the centrifugal impeller; The outer rotor motor comprises: stator; a rotor, sleeved on the stator; The stator is sleeved on the rotating shaft, the rotor is connected to the rotating shaft, a connecting portion and the hollow portion are provided on the rotating shaft, and the centrifugal wind wheel is connected to the connecting portion.

2. The main unit of the ceiling device according to claim 1, characterized in that The axial sides of the centrifugal wind wheel are used to drive airflow into the housing.

3. The host of the ceiling device according to claim 1, characterized in that: The outer rotor motor further comprises: The bearing is located between the rotating shaft and the stator, and the bearing and the connecting portion are respectively located at two axial ends of the rotating shaft.

4. The host of the ceiling device according to claim 1, characterized in that: Along the axial direction of the centrifugal wind wheel, the fresh air inlet is located on one side of the air inlet assembly.

5. The host of the ceiling device according to claim 4, characterized in that: The host of the ceiling device also includes: A mounting seat is connected to the shell, a portion of the mounting seat is located in the fresh air inlet, and the mounting seat is used to be connected to an external pipeline.

6. The main unit of the ceiling device according to any one of claims 1 to 5, characterized in that: The centrifugal wind wheel comprises: a blade, wherein a first end of the blade is close to the axis of the centrifugal wind wheel, and a second end of the blade is away from the axis; In the radial direction of the centrifugal impeller, the tangent line of the first end of the blade is set as L1, the tangent line of the second end of the blade is set as L2, and a straight line L3 is set passing through the second end of the blade, and the straight line L3 is perpendicular to L1; Among them, the angle between L1 and L2 is α, and α satisfies, 25°≤α≤45°; the angle between L2 and L3 is β, and β satisfies, 50°≤β≤70°.

7. The main unit of the ceiling device according to any one of claims 1 to 5, characterized in that: The host of the ceiling device also includes: A heating element is connected to the shell and is located on one side of the centrifugal wind wheel along the axial direction of the centrifugal wind wheel. The heating element is distributed along the circumference of the centrifugal wind wheel.

8. A suspended ceiling device, characterized in that: include: A host of the ceiling device according to any one of claims 1 to 7.

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