Fan with lighting function

Abstract

A lighting-equipped fan device is provided that can further improve indoor air circulation. [Solution] The device is characterized by comprising base parts 10, 11 attached to the ceiling surface, a blower 2 provided below the base parts 10, 11, a blower support part 3 supporting the blower 2, a lighting part 4 arranged in a ring shape around the outer periphery of the blower 2, a lighting connection part 5 connecting the lighting part 4 and the base parts 10, 11, and a tilting mechanism for tilting the blower 2 relative to the ceiling surface. [Selection diagram] Figure 8

Description

Technical Field

[0001] The present invention relates to a blower device with a lighting function having the functions of a blower and a lighting unit.

Background Art

[0002] As such a blower device, a blower (so-called ceiling circulator) disclosed in Patent Document 1 below is known. This blower includes a base portion attached to the ceiling surface of a room, an impeller (electric fan) that rotates about a rotation axis perpendicular to the attachment surface of the base portion, and a lighting unit that is arranged annularly around the impeller and attached to the base portion. When the lighting unit is lit, this blower can provide indoor lighting and, by driving the impeller (electric fan), can circulate the air in the room.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] However, in the above blower, the rotation axis of the impeller is fixed in one direction (vertical), and thus the efficiency in terms of air circulation is not good.

[0005] The present invention has been made in view of the above circumstances, and an object thereof is to provide a blower device with a lighting function that can further improve indoor air circulation.

Means for Solving the Problems

[0006] To solve the above problems, the blower device with a lighting function according to the present invention includes a base portion attached to the ceiling surface, a blower provided below the base portion, a blower support portion that supports the blower, a lighting unit arranged in a ring shape on the outer periphery of the blower, a lighting connection portion that connects the lighting unit and the base portion, The invention is characterized by comprising a tilting mechanism that tilts the blower with respect to the ceiling surface.

[0007] In this configuration, the lighting unit is arranged in a ring shape around the outer circumference of the blower. In other words, it combines the functions of a blower and a lighting unit. Furthermore, the blower is equipped with a tilting mechanism that allows it to be tilted relative to the ceiling surface. Therefore, the direction of airflow from the blower can be changed by utilizing the tilting mechanism. Thus, the direction of airflow can be adjusted as appropriate considering the conditions in the room. As a result, indoor air circulation can be further improved.

[0008] The base portion according to the present invention comprises a first base portion located on the ceiling side and a second base portion mounted below the first base portion, and it is preferable that the second base portion and the blower support portion are connected by the tilting mechanism.

[0009] With this configuration, the direction of airflow can be changed by tilting the blower support relative to the second base portion that constitutes the base.

[0010] In this invention, it is preferable that a rotation mechanism is provided that rotates the second base portion around a vertical axis relative to the first base portion.

[0011] This configuration allows the fan itself to be rotated while the direction of airflow is tilted. Therefore, air can be distributed more evenly throughout the room.

[0012] The tilting mechanism according to the present invention preferably includes a mechanism that rotatably supports the blower support portion with respect to an axis set in the horizontal direction.

[0013] With this configuration, the blower can be tilted by rotating the blower support around a horizontal axis.

[0014] In this invention, it is preferable that the tilting drive motor constituting the tilting mechanism and the rotary motor constituting the rotation mechanism are mounted on the second base portion.

[0015] This configuration makes it possible to achieve a setup in which the blower is rotated while it is tilted.

[0016] The blower according to the present invention preferably comprises a cylindrical housing provided around the blower blades, and a ring-shaped gap is formed between the cylindrical housing and the lighting section.

[0017] With this configuration, a predetermined gap is formed between the blower and the lighting unit, so even if the blower is tilted, it can be driven at an angle without interfering with the lighting unit.

[0018] The rotating mechanism according to the present invention preferably comprises a large-diameter gear fixed to the first base portion and a small-diameter gear driven by the rotating motor and rotating around the large-diameter gear.

[0019] With this configuration, the second base portion can be rotated relative to the first base portion by rotating a small-diameter gear with a rotary motor. In other words, the blower itself can be rotated. [Brief explanation of the drawing]

[0020] [Figure 1] External perspective view of the blower according to this embodiment, as seen from the front. [Figure 2] Figure 1 shows an external perspective view of the blower device as seen from the rear. [Figure 3] Side view of the blower shown in Figure 1. [Figure 4] Front view of the blower shown in Figure 1. [Figure 5] Front view with the cover removed. [Figure 6] Cross-sectional view AA in Figure 5 [Figure 7] BB cross-section diagram (Figure 5) [Figure 8] Cross-sectional view showing the state where the air blower is tilted

Figure 9

Figure 10

Mode for Carrying Out the Invention

[0021] A preferred embodiment of a blower device with a lighting function (ceiling circulator) according to the present invention will be described with reference to the drawings. FIG. 1 is an external perspective view of the blower device according to the present embodiment as viewed from the front side. FIG. 2 is an external perspective view as viewed from the back side. FIG. 3 is a side view. FIG. 4 is a front view. For the sake of convenience of explanation, the ceiling surface side is defined as the back side (upper side), and the floor surface side is defined as the front side (lower side).

[0022] The blower device according to the present invention has both a lighting function and a blowing function. The blower device is used by being attached to the ceiling surface of a room. The blower device includes a base portion 1 attached to the ceiling surface, a blower 2 (fan) provided below the base portion 1, a blower support portion 3 that supports the blower 2, a lighting portion 4 arranged in a ring shape on the outer periphery of the blower 2, and three lighting connection portions 5 that connect the lighting portion 4 to the base portion 1. The material for constituting the base portion 1 can be appropriately selected such as metal or resin.

[0023] As shown in FIG. 3, the base portion 1 includes a first base portion 10 located on the ceiling surface side and a second base portion 11 mounted below the first base portion 10. The first base portion 10 is fixed to the ceiling surface by well-known means. The first base portion 10 has a cylindrical frame, and members such as a power supply circuit and a control circuit are mounted inside it.

[0024] The first base portion 10 has a large-diameter portion 10a and a small-diameter portion 10b. Both are formed in a cylindrical shape. A recess 10c is formed on the front side of the small-diameter portion 10b, and the second base portion 11 is provided within this recess 10c. The second base portion 11 has a cylindrical frame with an even smaller diameter than the small-diameter portion 10b of the first base portion 10. As will be described in detail later, the second base portion 11 is rotatably attached to the small-diameter portion 10b of the first base portion 10. Its axis of rotation is set to be vertical. The second base portion 11 is configured to rotate so that the blower 2 and the blower support portion 3 can rotate together as a unit.

[0025] As shown in Figure 4, the blower 2 is equipped with seven blower blades 20. The number and shape of the blower blades 20 are not limited to any specific configuration. It is preferable that the blower blades 20 can rotate both clockwise and counterclockwise. However, they may be limited to either one of these rotation directions.

[0026] A cylindrical housing 21 is provided around the blower blades 20, and is connected to a blade guard 22 in the center of the blower blades 20 by three spokes 23. The cylindrical housing 21 is formed in a ring shape when viewed from the front and has an inner diameter slightly larger than the outermost diameter of the blower blades 20.

[0027] The lighting unit 4 is covered by a translucent cover 40. The cover 40 is formed in a ring shape when viewed from the front. Figure 5 is a front view with the cover 40 removed. Figure 6 is a cross-sectional view AA of Figure 5, and Figure 7 is a cross-sectional view BB of Figure 5. The cover 40 is detachably attached to the lighting substrate 45 (on the floor side). Three well-known locking members 41 are provided along the circumferential direction for locking the cover 40 onto the lighting substrate 45. The lighting substrate 45 is preferably made of metal and has a heat dissipation function.

[0028] An LED board 42, on which numerous LEDs 43 are mounted, is provided on the lighting substrate 45. A diffusion cover 44 is provided on the LED board 42 so as to cover the LEDs 43. The diffusion cover 44 is light-transmitting and diffuses the light emitted from the LEDs 43 to provide uniform illumination. The diffusion cover 44 also has the function of protecting the LED board 42 from being touched by the hands of users, etc.

[0029] Figure 5 shows the left half with the diffusion cover 44 removed. The LED substrate 42 has a V-shape and four are arranged along the circumference. Similarly, four diffusion covers 44 are also arranged. Note that the shape of the LED substrate 42 may be an arc and is not limited to a specific shape. The number of LED substrates 42 and diffusion covers 44 can also be set as appropriate. When multiple LED substrates 42 are provided, adjacent metal plates are electrically connected by wiring.

[0030] A ring-shaped gap is formed between the inner circumference 40a of the cover 40 of the lighting unit 4 and the outer circumference of the cylindrical housing 21 of the blower 2 (see Figure 5). As will be described later, the blower 2 has a tilting function, and the necessary gap is secured to facilitate the tilting operation.

[0031] As can be seen in Figure 3, the tip of the blower blade 20 protrudes slightly forward of the cover 40 of the lighting unit 4, even when the blower 2 is not tilted. Also, when the blower 2 is not tilted, the rear of the blower blade 20 does not protrude from the lighting unit 4.

[0032] The aforementioned lighting connection section 5 connects the lighting circuit board 45 of the lighting unit 4 to the first base section 10 and the large-diameter section 10a. The three lighting connection sections 5 have internal spaces, one of which is used for passing wiring. This allows power to be supplied to the lighting unit 4.

[0033] As can be seen in Figure 6, the blower 2 is supported by a blower support 3 located behind it. The blower support 3 has a housing 32, which houses a fan motor 30 and a motor shaft 31. The fan blades 20 are attached to the motor shaft 31 and rotated. The fan blades 20 are screwed to the motor shaft 31 by a cap 33 with a screw.

[0034] The cylindrical housing 21 is composed of a front-side first housing section 21a and a rear-side second housing section 21b joined together. The first housing section 21a is detachably connected to the second housing section 21b, and the first housing section 21a can be removed. This allows the blower blades 20 to be removed for cleaning and other purposes. The first housing section 21a is integrally connected to the spokes 23 and can be removed together with the spokes 23.

[0035] The second housing section 21b is connected to the blower support section 3 by three spokes 24 (see Figure 6). The components for forming the cylindrical housing 21 can be made from appropriate materials such as metal or resin.

[0036] The rear surface 32a of the housing portion 32 is formed in a spherical (or spherical shape) form. This is to ensure space so that the blower 2 and the blower support portion 3 do not interfere with the second base portion 11 when they are driven to tilt together.

[0037] Next, we will describe the tilting mechanism that tilts the blower 2 relative to the ceiling surface. This tilting mechanism allows the direction of airflow from the blower 2 to be adjusted as appropriate, taking into account the conditions in the room. As a result, the air circulation in the room can be further improved.

[0038] Figure 8 is a cross-sectional view showing the blower 2 in an inclined state, and Figure 9 is a side view with the lighting unit 4 removed. This allows the direction of airflow from the blower 2 to be changed. The airflow direction can be controlled by a remote control (not shown). In the examples of Figures 8 and 9, the inclination angle is 12° with respect to the horizontal plane. The inclination angle may be changed in steps or continuously adjustable.

[0039] As shown in Figures 7 and 9, the blower support 3 is rotatable around a horizontal axis X relative to the second base portion 11. This allows the blower support 3 to be tilted relative to the second base portion 11. A pair of bearings 34 are provided for rotatable support (see Figure 7). A gear 35 is provided on one of the bearings 34 and is driven by a tilt drive motor (not shown) and gear provided on the second base portion 11. The rotation axis of the gear 35 is horizontal. The rotatable range of the gear 35 is set, for example, to 18° or less, thereby restricting the tilt angle. For example, the tilt range and tilt angle can be controlled by providing an appropriate mechanical stopper or a sensor that detects the rotation angle.

[0040] Next, we will describe the rotation mechanism that rotates the second base portion 11 around a vertical axis relative to the first base portion 10. As mentioned above, a tilting mechanism is provided, allowing the blower 2 to be rotated while tilted. This enables even airflow throughout the room.

[0041] Figure 10 is a cross-sectional view of the CC section of Figure 3. The rotation mechanism is composed of a large-diameter gear 60 fixed to the first base portion 10 and a small-diameter gear 61 provided on the second base portion 11. The small-diameter gear 61 is rotationally driven by a rotary motor (not shown). The rotary motor is mounted on the second base portion 11. When the small-diameter gear 61 is driven, the small-diameter gear 61 rotates around the large-diameter gear 60 because the large-diameter gear 60 is fixed. As a result, the second base portion 11 is rotationally driven relative to the first base portion 10, and the blower support portion 3 and blower 2 provided on the second base portion 11 are also rotationally driven together.

[0042] A central shaft 62 for rotational drive is provided vertically. Power is supplied from the power supply unit located in the first base section 10 to the second base section 11 via the central shaft 62. A well-known slip ring mechanism (not shown) is provided to ensure smooth power supply through the rotating parts. The power supplied to the second base section 11 is then supplied to the blower 2 and the lighting unit 4. It is also supplied to the tilt drive motor and the rotation motor.

[0043] <Another Embodiment> In this embodiment, the first base portion 10 is composed of two cylindrical parts, a large-diameter portion 10a and a small-diameter portion 10b, but it is not limited to this shape. For example, the first base portion 10 may be composed of an inverted frustoconical shape. The second base portion 11 is also not limited to a cylindrical shape and may be composed of other shapes such as a frustoconical shape. [Explanation of symbols]

[0044] 1. Base section 10. First base section 10a Large diameter section 10b Small diameter section 10c recess 11. Second base section 2 Air blower 20 fan blades 21 Cylindrical housing 21a First enclosure section 21b Second enclosure section 3 Blower support part 30-blade motor 31 Motor shaft 32. Enclosure 34 Bearing section 4. Lighting section 40 Cover 42 LED boards 43 LED 44 Translucent cover 5. Lighting connection section 60 Large diameter gear 61 Small diameter gear 62 Center axis

Claims

1. A base that is attached to the ceiling, A blower is provided on the lower side of the base portion, A blower support section that supports the blower, The lighting unit is arranged in a ring shape around the outer circumference of the blower, A lighting unit and a lighting connecting unit that connects the aforementioned lighting unit and the aforementioned base unit, The blower is provided with a tilting mechanism that tilts it with respect to the ceiling surface, A fan with lighting function, characterized in that the blade guard located in front of the fan blades of the fan is driven to tilt integrally with the fan blades by the tilting mechanism.

2. The blower with lighting function according to claim 1, wherein the base portion comprises a first base portion located on the ceiling side and a second base portion mounted below the first base portion, and the second base portion and the blower support portion are connected by the tilting mechanism.

3. The blower with lighting function according to claim 2, characterized in that a rotation mechanism is provided for rotating the second base portion around a vertical axis relative to the first base portion.

4. The air blower with lighting function according to claim 2, characterized in that the tilting mechanism includes a mechanism that rotatably supports the blower support with respect to an axis set in the horizontal direction.

5. The blower with lighting function according to claim 3, characterized in that the tilting drive motor constituting the tilting mechanism and the rotary motor constituting the rotation mechanism are mounted on the second base portion.

6. The blower is characterized in that it comprises a cylindrical housing provided around the blower blades, and a ring-shaped gap is formed between the cylindrical housing and the lighting unit, as described in any one of claims 1 to 5.

7. The blower with lighting function according to claim 5, characterized in that the rotating mechanism comprises a large-diameter gear fixed to the first base portion and a small-diameter gear driven by the rotating motor and rotating around the large-diameter gear.

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