Modular cross flow fan applied to ceiling lamp

Abstract

The utility model relates to the technical field of fans, in particular to a modular cross-flow fan applied to a ceiling lamp, a wind wheel is eccentrically arranged in a shell, a motor used for driving the wind wheel to rotate is arranged in the shell, and under the condition that the shaft diameter is 89mm and the shaft diameter is 1600 turns and the same wind wheel power is achieved, the air supply amount in the prior art is 5.7 m / s. The size of the air inlet channel in the fan is smaller than that of the air outlet channel, external air enters from the air inlet grille, and under disturbance of the wind wheel, the air is compressed in the air inlet channel, the air pressure is increased, and then the air is exhausted from the air outlet channel, so that the difference proportion of the negative pressure at the air inlet channel and the high pressure at the air outlet channel of the fan is larger, and the air outlet resistance is reduced; according to the fan structure, the air outlet is smoother, the air outlet amount and the air speed are larger, the noise is smaller, and the air speed can reach 7m / s, so that the air supply amount of the fan can be increased under the condition that the power of the wind wheel is not increased, and the market influence is better.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, in particular to a modular cross-flow fan applied to a ceiling lamp. Background Art

[0002] A ceiling lamp is a common lighting fixture structure, which usually has only a single lighting function. In order to increase the functionality of the ceiling lamp and thus attract the market, products with fans added in the middle of the ceiling lamp have appeared on the market.

[0003] For example, the patent with publication number CN220061700U discloses a modular turbofan ceiling lamp, including a ceiling lamp body, an air outlet channel is arranged in the middle part of the ceiling lamp body, and a fan module is fixed in the ceiling lamp body; the fan module includes a fan seat, a fan motor, roller blades, and a turbofan structure; the fan motor is fixed on the fan seat, the roller blades are connected to the fan motor, and the roller blades are located directly above the air outlet channel; the turbofan structure is fixed on the side of the fan seat away from the roller blades.

[0004] The air supply of the above-mentioned fan is affected by the power of the fan module. The greater the power, the greater the air supply, and the greater the power consumption and cost. The air supply of the fan is also affected by the position of the fan module. The position of the fan module will change the cross-sectional area distribution of the fan module, thereby affecting the speed and pressure of the gas when passing through the fan module. When the speed of the gas passing through the fan module increases, the total volume air volume flowing through the fan module also increases; at the same time, the change in the position of the fan module will also cause the force distribution of the fan module to change, thereby affecting the stability and working efficiency of the fan module.

[0005] Therefore, it is necessary to design a fan that does not change the power of the fan module, has high stability and working efficiency, and can increase the air supply volume. Utility Model Content

[0006] In order to solve the above technical problems, the purpose of the utility model is to provide a modular cross-flow fan applied to a ceiling lamp, which can increase the air output of the cross-flow fan when the wind wheel power is equal.

[0007] The technical solution adopted by the utility model to solve the problem is: a modular cross-flow fan applied to a ceiling lamp, comprising a shell and a wind wheel, wherein an air supply grille is arranged on the front side of the shell, an air inlet grille is arranged on the rear side of the shell, the wind wheel is eccentrically arranged in the shell, and a motor for driving the wind wheel to rotate is arranged in the shell; an air inlet channel is formed between the wind wheel and the top of the shell, and an air outlet channel is formed between the wind wheel and the front side of the shell, and air flows through the air inlet grille, the air inlet channel, the air outlet channel and the air supply grille in sequence.

[0008] As a further improvement of the above technical solution, the distance β between the center axis of the wind wheel and the rear side wall of the shell is 45-55mm; the distance γ between the center axis of the wind wheel and the front side wall of the shell is 70-80mm; the distance δ between the center axis of the wind wheel and the inner side wall of the top of the shell is 50-60mm; the distance θ between the center axis of the wind wheel and the inner side wall of the bottom of the shell is 45-55mm.

[0009] As a further improvement of the above technical solution, the radius of the wind wheel is 43-45 mm.

[0010] As a further improvement of the above technical solution, the distance between the wind wheel and the air supply grille is 30-40 mm; the distance between the wind wheel and the inner wall of the top of the shell is 10.5-11.5 mm; the distance between the wind wheel and the inner wall of the bottom of the shell is 4.5-5.5 mm.

[0011] As a further improvement of the above technical solution, a wind shield is provided on the front side of the shell, and the wind shield is located beside the air supply grille.

[0012] As a further improvement of the above technical solution, the distance between the wind wheel and the wind shield is 7-9 mm.

[0013] As a further improvement of the above technical solution, the shell includes a front cover and a rear cover, the air supply grille and the wind shield are arranged on the front cover, the air inlet grille is arranged on the rear cover, and the motor is fixedly arranged on the rear cover; the front cover is rotatably connected to the rear cover, and the rear cover is provided with a shaking motor for driving the front cover to shake its head.

[0014] As a further improvement of the above technical solution, the cross section of the front cover is arc-shaped.

[0015] The beneficial effects of the present invention are as follows: under the conditions of an axial diameter of 89mm and an equal wind wheel power of 1600 revolutions, the air supply volume of the prior art is 5.7m / s. The present application uses an eccentrically arranged wind wheel in the shell to make the volume of the air inlet channel in the fan smaller than the volume of the air outlet channel. External air enters through the air inlet grille, and under the rotation of the wind wheel, the air is compressed in the air inlet channel, the air pressure increases, and then is discharged from the air outlet channel, so that the difference between the negative pressure at the air inlet channel of the fan and the high pressure at the air outlet channel is larger in proportion, reducing the air outlet resistance, making the air outlet smoother, the air outlet volume and wind speed larger, and the noise smaller. The wind speed can reach 7m / s. Therefore, the fan structure of the present application can increase the air supply volume of the fan without increasing the wind wheel power, and has greater market influence. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further explained below in conjunction with the accompanying drawings and specific implementation methods.

[0017] Figure 1 It is a structural diagram of the utility model;

[0018] Figure 2 It is an exploded view of the utility model;

[0019] Figure 3 It is the front view of the utility model;

[0020] Figure 4 for Figure 3 Cross-sectional view of the AA portion.

[0021] In the figure: 1-housing, 11-air supply grille, 12-air inlet grille, 13-front cover, 14-rear cover, 15-air inlet channel, 16-air outlet channel, 17-wind shield, 2-wind wheel, 3-motor, 4-shaking motor. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0024] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0025] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0026] Reference Figures 1 to 4A modular cross-flow fan for ceiling lamps includes a housing 1 and a fan wheel 2. An air supply grille 11 is provided on the front side of the housing 1, an air inlet grille 12 is provided on the rear side of the housing 1, the fan wheel 2 is eccentrically arranged in the housing 1, and a motor 3 for driving the fan wheel 2 to rotate is provided in the housing 1; an air inlet channel 15 is formed between the fan wheel 2 and the top of the housing 1, and an air outlet channel 16 is formed between the fan wheel 2 and the front side of the housing 1, and air flows through the air inlet grille 12, the air inlet channel 15, the air outlet channel 16 and the air supply grille 11 in sequence;

[0027] When the shaft diameter is 89mm and the power of the wind wheel 2 is the same as 1600 revolutions, the air supply volume of the prior art is 5.7m / s. The present application uses an eccentrically arranged wind wheel 2 in the shell 1 to make the volume of the air inlet channel 15 in the fan smaller than the volume of the air outlet channel 16. External air enters through the air inlet grille 12. Under the rotation of the wind wheel 2, the air is compressed in the air inlet channel 15, the air pressure increases, and then is discharged from the air outlet channel 16, so that the difference between the negative pressure at the air inlet channel 15 of the fan and the high pressure at the air outlet channel 16 is larger in proportion, thereby reducing the air outlet resistance, making the air outlet smoother, the air outlet volume and wind speed larger, and the noise smaller. The wind speed can reach 7m / s.

[0028] In a preferred embodiment, the distance β between the central axis of the wind wheel 2 and the rear side wall of the housing 1 is 45-55 mm, and the preferred distance β is 50 mm;

[0029] The distance γ between the central axis of the wind wheel 2 and the front side wall of the housing 1 is 70-80 mm, preferably 73.1 mm;

[0030] The distance δ between the central axis of the wind wheel 2 and the inner side wall of the top of the housing 1 is 50-60 mm, and the preferred distance δ is 55.4 mm;

[0031] The distance θ between the central axis of the wind wheel 2 and the inner wall of the bottom of the housing 1 is 45-55 mm, and the preferred distance θ is 49.4 mm.

[0032] In a preferred embodiment, the radius of the wind wheel 2 is 43-45 mm, and the preferred radius is 44.5 mm.

[0033] In a preferred embodiment, the distance between the wind wheel 2 and the air supply grille 11 is 30-40 mm, preferably 35 mm;

[0034] The distance between the wind wheel 2 and the inner side wall of the top of the housing 1 is 10.5-11.5 mm, preferably 11 mm;

[0035] The distance between the wind wheel 2 and the inner wall of the bottom of the housing 1 is 4.5-5.5 mm, preferably 5 mm.

[0036] In a preferred embodiment, in order to further improve the air pressure and effect inside the fan, a wind shield 17 is provided on the front side of the housing 1 , and the wind shield 17 is located beside the air supply grille 11 .

[0037] In a preferred embodiment, the distance between the wind wheel 2 and the wind shield 17 is 7-9 mm.

[0038] In a preferred embodiment, the shell 1 includes a front cover 13 and a rear cover 14, the air supply grille 11 and the wind shield 17 are arranged on the front cover 13, the air inlet grille 12 is arranged on the rear cover 14, and the motor 3 is fixedly arranged on the rear cover 14; the front cover 13 is rotatably connected to the rear cover 14, and the rear cover 14 is provided with a shaking motor 4 for driving the front cover 13 to shake its head. The air supply angle of the fan can be adjusted by driving the front cover 13 to rotate by the shaking motor 4.

[0039] In a preferred embodiment, the cross section of the front cover 13 is arc-shaped.

[0040] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structural changes made using the contents of the present invention specification and drawings under the utility model concept, or directly or indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A modular cross-flow fan for ceiling lamps, characterized in that: The invention comprises a housing (1) and a wind wheel (2), wherein an air supply grille (11) is arranged on the front side of the housing (1), an air inlet grille (12) is arranged on the rear side of the housing (1), the wind wheel (2) is eccentrically arranged in the housing (1), and a motor (3) for driving the wind wheel (2) to rotate is arranged in the housing (1); An air inlet channel (15) is formed between the wind wheel (2) and the top of the housing (1), and an air outlet channel (16) is formed between the wind wheel (2) and the front side of the housing (1), and air flows through the air inlet grille (12), the air inlet channel (15), the air outlet channel (16) and the air supply grille (11) in sequence.

2. A modular cross-flow fan for a ceiling lamp as claimed in claim 1, characterized in that: The distance β between the central axis of the wind wheel (2) and the rear side wall of the housing (1) is 45-55 mm; The distance γ between the central axis of the wind wheel (2) and the front side wall of the housing (1) is 70-80 mm; The distance δ between the central axis of the wind wheel (2) and the inner side wall of the top of the housing (1) is 50-60 mm; The distance θ between the central axis of the wind wheel (2) and the inner side wall of the bottom of the housing (1) is 45-55 mm.

3. A modular cross-flow fan for a ceiling lamp as claimed in claim 2, characterized in that: The radius of the wind wheel (2) is 43-45 mm.

4. A modular cross-flow fan for a ceiling lamp as claimed in claim 3, characterized in that: The distance between the wind wheel (2) and the air supply grille (11) is 30-40 mm; The distance between the wind wheel (2) and the inner side wall of the top of the housing (1) is 10.5-11.5 mm; The distance between the wind wheel (2) and the inner side wall of the bottom of the housing (1) is 4.5-5.5 mm.

5. The modular cross-flow fan for ceiling lamps according to claim 4, characterized in that: A wind shield (17) is provided on the front side of the housing (1), and the wind shield (17) is located beside the air supply grille (11).

6. The modular cross-flow fan for ceiling lamps according to claim 5, characterized in that: The distance between the wind wheel (2) and the wind shield (17) is 7-9 mm.

7. A modular cross-flow fan for a ceiling lamp as claimed in claim 6, characterized in that: The housing (1) comprises a front cover (13) and a rear cover (14), the air supply grille (11) and the wind shield (17) are arranged on the front cover (13), the air inlet grille (12) is arranged on the rear cover (14), and the motor is fixedly arranged on the rear cover (14); The front cover (13) is rotatably connected to the rear cover (14), and the rear cover (14) is provided with a shaking motor (4) for driving the front cover (13) to shake its head.

8. The modular cross-flow fan for ceiling lamps according to claim 7, characterized in that: The cross section of the front cover (13) is arc-shaped.

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