Ceiling fan light with air duct

Abstract

This invention provides a ceiling fan light with an air duct, belonging to the field of lighting technology. It includes a housing, a fan, and a grille. The housing has an air inlet at the top and an air outlet at the bottom. A sealed annular air duct is located inside the housing, gradually increasing in size from top to bottom. The fan is positioned inside the housing, and the grille is located at the air outlet. Air is drawn into the housing through the air inlet, pressurized by the annular air duct, and then discharged through the grille. The ceiling fan light with an air duct provided by this invention, due to the gradually increasing annular air duct inside the housing, creates negative pressure as the fan rotates within the housing, drawing air in through the air inlet. The air is then concentrated and pressurized by the annular air duct, gradually depressurized, and then discharged through the grille. The pressurized air has a higher wind speed and better exhaust effect. After being evenly expanded by the grille, it can extend the blowing range, improving indoor airflow and circulation, thereby enhancing indoor environmental comfort.

Description

Technical Field

[0001] The present invention belongs to the technical field of lighting fixtures, and more specifically, relates to a ceiling fan lamp with an air duct. Background Art

[0002] Fans and lamps are two commonly used electrical appliances indoors. Fans and lamps are usually installed separately indoors, which not only takes up more space indoors, but also causes a messy indoor layout and affects the indoor appearance.

[0003] The fan lamp is a combination of a ceiling lamp and a fan. It has the functions of both a lamp and a fan, and can also serve as a decoration for the interior, avoiding the position conflict caused by installing both a ceiling lamp and a ceiling fan on the indoor ceiling.

[0004] However, the fan of the existing fan lamp brings uneven air volume, poor user experience, poor indoor air circulation, and cannot provide a comfortable environment indoors. Summary of the invention

[0005] The purpose of the present invention is to provide a ceiling fan lamp with an air duct, aiming to solve the problems of uneven air volume and poor indoor air circulation in existing fan lamps.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: to provide a ceiling fan lamp with an air duct, including: a shell, a fan and a grille, the upper end of the shell is provided with an air inlet, the lower end is provided with an air outlet, the shell is provided with a closed annular air duct, and the annular air duct gradually increases from top to bottom; the fan is arranged in the shell; the grille is arranged at the air outlet of the shell; air is sucked into the shell through the air inlet, expanded after being pressurized by the annular air duct, and discharged through the grille.

[0007] As another embodiment of the present application, the structure of the annular air duct is a rotating body, and the generatrix of the rotating body is a curve.

[0008] As another embodiment of the present application, the upper end of the shell is provided with an inlet air duct extending into the shell, and the lower end of the shell is provided with an outlet air duct extending out of the shell, the fan is located in the inlet air duct, the upper end of the annular air duct is connected to the inlet air duct, and the lower end of the annular air duct is connected to the outlet air duct.

[0009] As another embodiment of the present application, the inlet air duct and the outlet air duct are both cylinders, and the inner diameter of the inlet air duct is smaller than the inner diameter of the outlet air duct.

[0010] As another embodiment of the present application, the ceiling fan lamp also includes: a first motor, a bracket and a retaining ring, the first motor is used to drive the grille to rotate, and the first motor is located below the fan; the bracket is used to support the first motor; the retaining ring is connected to the lower end of the shell, and is used to support the bracket and the first motor; the grille is located below the bracket, and the outer circumferential surface of the grille is slidably matched with the inner ring of the retaining ring.

[0011] As another embodiment of the present application, the inner ring of the retaining ring is provided with a supporting portion, the bracket is provided with a supporting portion overlapping the supporting portion, and the supporting portion is provided with a limiting portion for preventing the bracket from rotating.

[0012] As another embodiment of the present application, a stop ring is provided at the upper end of the stop ring, the stop ring extends into the shell, and the stop ring is connected to the shell by means of a first screw passing through the stop ring.

[0013] As another embodiment of the present application, the ceiling fan lamp further includes: a light bar, wherein the light bar is wound around the outer wall of the air outlet tube.

[0014] As another embodiment of the present application, the ceiling fan lamp further includes: a light guide plate, wherein the light guide plate is mounted on the annular groove formed between the retaining ring and the shell, and the light guide plate is located below the light bar.

[0015] As another embodiment of the present application, the light guide plate is connected to the upper end surface of the retaining ring by means of a second screw.

[0016] The beneficial effect of the ceiling fan lamp with an air duct provided by the present invention is that: compared with the prior art, the ceiling fan lamp with an air duct of the present invention is provided with an annular air duct which gradually increases from top to bottom in the shell, and the fan rotates in the shell to form negative pressure, attracting air into the shell through the air inlet, and gathering and pressurizing it through the annular air duct, and then gradually reducing the pressure, and then discharged through the grille. The pressurized air has a higher wind speed and discharge effect, and after being evenly expanded by the grille, it can expand a larger blowing range, improve the effect of indoor air flow and circulation, and thus improve the comfort of the indoor environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 Schematic diagram of the exploded structure of a ceiling fan lamp with an air duct provided by an embodiment of the present invention Figure 1 ;

[0019] Figure 2 Schematic diagram of the exploded structure of a ceiling fan lamp with an air duct provided by an embodiment of the present invention Figure 2 ;

[0020] Figure 3 A schematic diagram of a three-dimensional structure of a ceiling fan lamp with an air duct provided by an embodiment of the present invention Figure 1 ;

[0021] Figure 4 A schematic diagram of a three-dimensional structure of a ceiling fan lamp with an air duct provided by an embodiment of the present invention Figure 2 ;

[0022] Figure 5 A schematic diagram of the three-dimensional structure of a ceiling fan lamp with an air duct provided by an embodiment of the present invention without the grille and the light guide plate;

[0023] Figure 6 A top view of a ceiling fan lamp with an air duct provided by an embodiment of the present invention;

[0024] Figure 7 For along Figure 6 The cross-sectional structure diagram along the AA line;

[0025] Figure 8 For along Figure 6 The cross-sectional structure diagram of the middle BB line;

[0026] Fig. 9 A schematic diagram of the three-dimensional structure of a housing of a ceiling fan lamp with an air duct provided by an embodiment of the present invention;

[0027] Fig.10 A top view of a housing of a ceiling fan lamp with an air duct provided by an embodiment of the present invention;

[0028] Fig.11 For along Fig.10 Cross-sectional structural diagram of the center CC line;

[0029] Fig.12 For along Fig.10 Cross-sectional structural diagram of the middle DD line;

[0030] Fig.13 A schematic diagram of the three-dimensional structure of a retaining ring of a ceiling fan lamp with an air duct provided in an embodiment of the present invention;

[0031] Fig.14 A schematic diagram of the three-dimensional structure of a ceiling fan lamp with an air duct provided by an embodiment of the present invention without a shell.

[0032] In the figure: 1. installation cover; 2. connecting frame; 21. supporting frame; 22. fixing frame; 3. shell; 31. inlet air duct; 32. outlet air duct; 4. light bar; 5. light guide plate; 6. baffle ring; 61. stop ring; 62. supporting part; 63. limiting part; 7. first screw; 8. grille; 9. bracket; 10. first motor; 11. fan; 12. second motor; 13. annular air duct; 14. second screw; 15. negative ions. DETAILED DESCRIPTION

[0033] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0034] Please also read Figure 1 and Figure 2 , Figures 6 to 12 Now, the ceiling fan lamp with air duct provided by the present invention is described. The ceiling fan lamp with air duct comprises a housing 3, a fan 11 and a grille 8. The housing 3 is provided with an air inlet at the upper end and an air outlet at the lower end. The housing 3 is provided with a closed annular air duct 13, which gradually increases from top to bottom. The fan 11 is arranged in the housing 3. The grille 8 is arranged at the air outlet of the housing 3. Air is sucked into the housing 3 through the air inlet, expanded after being pressurized by the annular air duct 13, and discharged through the grille 8.

[0035] Compared with the prior art, the ceiling fan lamp with an air duct provided by the present invention is provided with an annular air duct 13 which gradually increases from top to bottom in the shell 3. The fan 11 rotates in the shell 3 to form a negative pressure, and attracts air to enter the shell 3 through the air inlet, circulates along the annular air duct 13, and is gathered and pressurized by the annular air duct 13, and then gradually decompressed, and then discharged through the grille 8. The pressurized air has a higher wind speed and discharge effect. After being evenly expanded by the grille 8, it can expand a larger blowing range, improve the effect of indoor air flow and circulation, and thus improve the comfort of the indoor environment.

[0036] As a specific embodiment of the ceiling fan lamp with air duct provided by the present invention, please refer to Figures 6 to 12 , the structure of the annular air duct 13 is a rotating body, and the generatrix of the rotating body is a curve. In this example, the shape of the annular air duct 13 can also be described as a trumpet shape, wherein the speed of the annular air duct 13 from top to bottom gradually increases, so that the pressure of the air just entering the annular air duct 13 can be increased rapidly, and then gradually reduced at the outlet of the annular air duct 13, which has a certain buffering effect on the discharge of the air volume, so that it can not only improve the effect of the air volume discharge, but also avoid the uncomfortable feeling caused by excessive wind force when the air volume is discharged.

[0037] Specifically, the curve is a downwardly curved arc when viewed from the outside, and the shell 3 in this embodiment is also a rotating body, and the generatrix of the shell 3 is an arc convex outward, so that an annular cavity is formed between the annular air duct 13 and the shell 3, so that the annular air duct 13 has room for buffering when it is subjected to a large pressure, and at the same time, the annular air duct 13 is protected.

[0038] In this embodiment, the annular air duct 13 may also be a truncated cone, and the generatrix is ​​a straight line.

[0039] In this embodiment, see Figure 1 and Figure 2 , and also includes a second motor 12 for driving the fan to rotate and a mounting cover 1 for mounting the second motor 12, wherein the housing 3 is connected to the mounting cover 1 through a connecting frame 2.

[0040] In this embodiment, see Figure 1 and Figure 2 The connecting frame 2 includes a supporting frame 21 and a fixing frame 22 arranged outside the supporting frame 21, one end of the supporting frame 21 is connected to the shell 3, the mounting cover 1 is supported on the other end of the supporting frame 21, one end of the fixing frame 22 is connected to the shell 3, and the other end of the fixing frame 22 is close to the outside of the mounting cover 1 and is connected to the mounting cover 1 by screws.

[0041] As a specific implementation of the embodiment of the present invention, please refer to Figure 11 to Figure 12 The upper end of the housing 3 is provided with an inlet air cylinder 31 extending into the housing 3, and the lower end of the housing 3 is provided with an outlet air cylinder 32 extending out of the housing 3. The fan 11 is located in the inlet air cylinder 31. The upper end of the annular air duct 13 is connected to the inlet air cylinder 31, and the lower end of the annular air duct 13 is connected to the outlet air cylinder 32. In this embodiment, by providing the inlet air cylinder 31 and the outlet air cylinder 32, the air just entering and the air to be discharged are instantly buffered, thereby improving the wind utilization effect.

[0042] As a specific implementation of the embodiment of the present invention, refer to Fig.11 and Fig.12 The inlet air duct 31 and the outlet air duct 32 are both cylindrical, and the inner diameter of the inlet air duct 31 is smaller than the inner diameter of the outlet air duct 32. In this embodiment, the pressure of air increases first and then decreases as a whole when it passes through the air inlet to the air outlet, which improves the utilization effect of the air and makes the discharged air more suitable.

[0043] As a specific implementation of the embodiment of the present invention, please refer to Figures 1 to 8The ceiling fan lamp further comprises: a first motor 10, a bracket 9 and a retaining ring 6. The first motor 10 is used to drive the grille 8 to rotate, and the first motor 10 is located below the fan 11; the bracket 9 is used to support the first motor 10; the retaining ring 6 is connected to the lower end of the housing 3, and is used to support the bracket 9 and the first motor 10; the grille 8 is located below the bracket 9, and the outer circumferential surface of the grille 8 is slidably matched with the inner ring of the retaining ring 6. The grille 8 is driven to rotate by the first motor 10, so that the compressed air is blown out more effectively, and a larger blowing range and circulation effect are expanded, so as to improve the wind utilization effect and the indoor air circulation effect, and improve the suitability of the indoor environment.

[0044] As a specific implementation of the embodiment of the present invention, please refer to Figure 1 to Figure 2 , Fig.13 The inner ring of the retaining ring 6 is provided with a supporting portion 62, the bracket 9 is provided with a supporting portion overlapped with the supporting portion 62, and the supporting portion 62 is provided with a limiting portion 63 for preventing the bracket 9 from rotating. In this embodiment, the grille 8 is supported by the first motor 10, and the first motor 10 is supported by the bracket 9, wherein the bracket 9 is overlapped on the supporting portion 62 of the retaining ring 6 through the supporting portion, and does not need to be installed and fixed. The rotation of the first motor 10 can be avoided by the limiting portion 63, and the first motor 10 can be reliably positioned, with a simple structure and convenient installation and disassembly. Among them, the limiting portion 63 can be a protruding block or a groove set on the bracket 9. When the groove is set, a limiting block that can be inserted into the groove is provided on the supporting portion.

[0045] In this embodiment, see Figure 1 and Figure 2 The support 9 includes a plurality of radially arranged support rods and support rings connecting the support rods.

[0046] As a specific implementation of the embodiment of the present invention, please refer to Figure 1 to Figure 2 , Figure 5 and Fig.13 The upper end of the retaining ring 6 is provided with a stop ring 61, and the stop ring 61 extends into the housing 3. The retaining ring 6 is connected to the housing 3 by means of a first screw 7 passing through the stop ring 61. The stop ring 61 cooperates with the housing 3 to position the retaining ring 6. In this embodiment, the outer wall of the stop ring 61 can be in contact with the inner wall of the outlet air cylinder 32.

[0047] As a specific implementation of the embodiment of the present invention, please refer to Figures 1 to 4The ceiling fan lamp further includes: a light bar 4, which is wound around the outer wall of the outlet air duct 32. The lamp body is wound around the outer wall of the outlet air duct 32, and the position of the light bar 4 is lower than the fan 11, which can effectively avoid the influence of light and shadow on the light when the fan 11 rotates; compared with the grille 8, the light bar 4 is on the side, and the light emitted by it will not be affected by the grille 8.

[0048] As a specific implementation of the embodiment of the present invention, please refer to Figures 1 to 4 , the ceiling fan light also includes: a light guide plate 5, the light guide plate 5 is installed on the annular groove formed between the retaining ring 6 and the shell 3, and the light guide plate 5 is located below the light bar 4. The light passes through the light guide plate 5, which improves the uniformity of the light and the utilization effect of the light. In this embodiment, the light guide plate 5 is a circular ring structure, which is above the grille 8 and will not affect the air volume and wind speed. On the contrary, due to the existence of the light guide plate 5, it will have a certain gathering effect on the wind blown out from the grille 8, that is, when the wind is blown out after being pressurized, it will inevitably diffuse rapidly. The wind that encounters the light guide plate 5 will be blocked by the light guide plate 5 and then reflected obliquely downward, which has a certain good effect on the uniformity and expansibility of the wind.

[0049] As a specific implementation of the embodiment of the present invention, please refer to Figures 1 to 4 ,and Figures 7 and 8 The light guide plate 5 is connected to the upper end surface of the retaining ring 6 by means of a second screw 14. The fixing of the second screw 14 can prevent the light guide plate 5 from shaking under the action of wind, thereby improving the reliability of the connection of the light guide plate 5.

[0050] In this embodiment, see Fig.14 , negative ions 15 are installed on the bracket 9 supporting the first motor 10. While lighting, the generated negative ions 15 can achieve the effect of active air purification, dust removal and antibacterial. Among them, the negative ions 15 have the function of purifying the air. The negative ions 15 themselves have negative charges. Most of the dust and bacteria in the air have positive charges. After the negative ions 15 react with these dust and bacteria, they are attached and precipitated and fall to the ground. At the same time, the negative ions 15 use their own bactericidal and disinfecting effects to remove the bacteria in the air, thereby ensuring the clean air; it has the function of recuperation and health care. Negative ions are the most effective treatment method in natural therapy, and have obvious effects on the treatment and maintenance of hypertension, insomnia, asthma and cancer; negative ions can also improve human sub-health, and play a significant good effect on the care of pregnant women with dizziness, insomnia and other syndromes during pregnancy, improving children's immunity, improving children's intelligence, etc.; the high concentration of negative ions generated is beneficial to human health, eliminates static electricity harmful to the human body in the environment, and creates a healthy, clean and energy-saving space.

[0051] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A ceiling fan lamp with an air duct, characterized in that: include: The shell has an air inlet at the upper end and an air outlet at the lower end, and a closed annular air duct is arranged inside the shell, and the annular air duct gradually increases from top to bottom; A fan is disposed in the housing; A grille, arranged at an air outlet of the housing; Air is sucked into the housing through the air inlet, expanded after being pressurized by the annular air duct, and discharged through the grille; The upper end of the shell is provided with an inlet air cylinder extending into the shell, and the lower end of the shell is provided with an outlet air cylinder extending out of the shell. The fan is located in the inlet air cylinder, the upper end of the annular air duct is connected to the inlet air cylinder, and the lower end of the annular air duct is connected to the outlet air cylinder. The generatrix of the annular air duct is an arc that bends inwards, the generatrix of the shell is an arc that bulges outwards, and an annular cavity is formed between the annular air duct and the shell.

2. The ceiling fan lamp with air duct as claimed in claim 1, characterized in that: The inlet air duct and the outlet air duct are both cylindrical, and the inner diameter of the inlet air duct is smaller than the inner diameter of the outlet air duct.

3. The ceiling fan lamp with air duct as claimed in claim 2, characterized in that: The ceiling fan lamp also includes: a first motor, used for driving the grille to rotate, and the first motor is located below the fan; A bracket, used for supporting the first motor; A retaining ring connected to the lower end of the housing and used to support the bracket and the first motor; The grille is located below the bracket, and the outer circumferential surface of the grille is slidably matched with the inner ring of the retaining ring.

4. The ceiling fan lamp with air duct as claimed in claim 3, characterized in that: The inner ring of the retaining ring is provided with a supporting portion, the bracket is provided with a supporting portion overlapped with the supporting portion, and the supporting portion is provided with a limiting portion for preventing the bracket from rotating.

5. The ceiling fan lamp with air duct as claimed in claim 3, characterized in that: A stop ring is provided at the upper end of the stop ring, and the stop ring extends into the shell. The stop ring is connected to the shell by means of a first screw passing through the stop ring.

6. The ceiling fan lamp with air duct as claimed in claim 3, characterized in that: The ceiling fan lamp also includes: A light bar is wound around the outer wall of the air outlet tube.

7. The ceiling fan lamp with air duct as claimed in claim 6, characterized in that: The ceiling fan lamp also includes: A light guide plate is installed on the annular groove formed between the retaining ring and the shell, and the light guide plate is located below the light bar.

8. The ceiling fan lamp with air duct as claimed in claim 7, characterized in that: The light guide plate is connected to the upper end surface of the retaining ring by means of a second screw.

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