WO2022247737A1

WO2022247737A1 - Fan blade structure and fan lamp

Info

Publication number: WO2022247737A1
Application number: PCT/CN2022/094027
Authority: WO
Inventors: 刘行安; 黄伙军; 王伟光; 陈菊
Original assignee: 苏州欧普照明有限公司; 欧普照明股份有限公司
Priority date: 2021-05-27
Filing date: 2022-05-20
Publication date: 2022-12-01

Abstract

A fan blade structure (100) and a fan lamp comprising same. A front edge (110) of the fan blade structure (100) protrudes toward the direction of air inflow; at a position between two ends of the fan blade structure (100), the front edge (110) has a peak distance relative to the connecting line between the two ends of the fan blade structure (100); from the position corresponding to the peak distance to the ends, the distance between the front edge (110) and the two ends of the fan blade structure (100) gradually decreases, and the width of the fan blade structure (100) decreases; the horizontal height of a rear edge (120) of the fan blade structure (100) is lower than the horizontal height of the front edge (110); the arc-shaped surface of the fan blade structure (100) is connected between the front edge (110) and the rear edge (120), and the arc-shaped surface is bent and extends downward in the direction from the front edge (110) to the rear edge; the end of the fan blade structure (100) away from its own rotation axis is bent upward and extends. The fan blade structure facilitates reduction of noise and energy consumption during rotation of the fan blade structure.

Description

Fan blade structure and fan light

technical field

The invention belongs to the technical field of household appliances, and in particular relates to a fan blade structure and a fan lamp.

Background technique

At present, some fan lamps on the market use multiple ring-shaped impeller structures to blow air. When the fan lamp rotates, the resistance of the air to the impeller structure is relatively large, resulting in a relatively large workload of the fan lamp, thereby increasing energy consumption. At the same time, the air is in contact with the surface of the impeller structure rotating at a high speed, resulting in greater noise. Therefore, the above-mentioned fan lamp brings poor experience to the user.

Contents of the invention

The purpose of the embodiments of the present invention is to provide a fan blade structure and a fan lamp, which can solve the problems of high energy consumption and high noise of the fan lamp.

In order to solve the problems of the technologies described above, the present invention is achieved in that:

An embodiment of the present invention provides a fan blade structure, the fan blade structure includes:

The front edge, the front edge is a side where the air flows in, and the front edge protrudes toward the direction of the air inflow, and the front edge is at a position between the two ends of the fan blade structure, with a relative The peak distance of the line between the two ends of the fan blade structure is from the position corresponding to the peak distance on the front edge to any end of the front edge, and the front edge and the The distance between the two ends of the fan blade structure decreases gradually, and the width of the fan blade structure decreases;

a rear edge, the rear edge is a side from which air flows out, and the level of the rear edge is lower than the level of the front edge;

an arc-shaped surface, the arc-shaped surface is connected between the front edge and the rear edge, and the arc-shaped surface extends downward from the front edge to the rear edge;

Wherein, one end of the fan blade structure away from its own rotation axis bends upwards and extends.

An embodiment of the present invention also provides a fan lamp, which includes a fan lamp main body and a plurality of the above-mentioned fan blade structures;

A plurality of the fan blade structures can be folded or unfolded and arranged on the main body of the fan light.

In the embodiment of the present invention, when the fan blade structure is rotating, the air flows in from the front edge, is guided by the curved surface, and flows out from the rear edge. Among them, the front edge protrudes toward the direction of air inflow, and when the fan blade structure rotates, it can guide the air, so that the air can flow in from the front edge more smoothly, weakening the collision effect of the air on the front edge, which is beneficial to reduce noise and energy consumption. Moreover, the fan blade structure is designed so that the area between the two ends is wide and the two ends are narrow. On the one hand, the strength of the entire fan blade structure can be improved, and on the other hand, it can also play a good role in driving. To a certain extent, it can Increase the blowing volume of the fan blade structure. In addition, the end of the fan blade structure away from its own rotation axis is bent upwards, that is, the end of the fan blade structure is tilted upward, so that the air flow can be guided through the end when the fan blade structure rotates, to a certain extent The collision effect between the air and the fan blade structure can be weakened, thereby helping to reduce noise and energy consumption when the fan blade structure rotates. Therefore, by adopting the above fan blade structure, noise and energy consumption can be reduced, thereby improving user experience.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of a fan blade structure disclosed in an embodiment of the present invention;

Fig. 2 is a front view of the fan blade structure disclosed by the embodiment of the present invention;

Fig. 3 is a top view of the fan blade structure disclosed by the embodiment of the present invention;

Fig. 4 is a schematic disassembly diagram of the fan lamp disclosed in the embodiment of the present invention;

Fig. 5 is a front view of the fan light disclosed by the embodiment of the present invention;

Fig. 6 is a top view of the fan light disclosed by the embodiment of the present invention;

Fig. 7 is a schematic diagram of the fan blade structure disclosed in the embodiment of the present invention unfolding relative to the rotating disk.

Explanation of reference signs:

100-blade structure; 110-front edge; 111-first arc; 112-second arc; 120-back edge; 121-bionic sawtooth structure; Arc section; 123-the fourth arc section; 130-arc surface; 140-bending surface; 150-rotating seat; 160-guiding structure;

200-rotating assembly; 210-rotating disc; 211-installation part; 220-synchronous disc; 221-guiding groove;

300-drive assembly;

400 - lamp assembly;

500-suspension assembly; 510-fixed seat; 520-connecting rod.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

The terms "first", "second" and the like in the description and claims of the present invention are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It should be understood that the terms so used are interchangeable under appropriate circumstances such that embodiments of the invention can be practiced in sequences other than those illustrated or described herein, and references to "first," "second," etc. distinguish Objects are generally of one type, and the number of objects is not limited. For example, there may be one or more first objects. In addition, "and/or" in the specification and claims means at least one of the connected objects, and the character "/" generally means that the related objects are an "or" relationship.

The embodiment of the present invention discloses a fan blade structure 100, and the fan blade structure 100 can be applied to electric fans, fan lamps and other products. The fan blade structure 100 is a component used to promote air flow in products such as electric fans and fan lamps. It can rotate around its own rotation axis at high speed to promote the flow of surrounding air to achieve blowing. In order to improve the blowing effect, the shape and structure of the fan blade structure 100 are redesigned in the embodiment of the present invention. Compared with some impeller-shaped and straight fan blades, the fan blade structure 100 in the embodiment of the present invention has Better drying effect.

1 to 3, in the embodiment of the present invention, the fan blade structure 100 includes a front edge 110, a rear edge 120 and an arc surface 130, wherein the front edge 110 is the side where the air flows in, that is, when the fan blade As the structure 100 rotates, the leading edge 110 first comes into contact with the air. The rear edge 120 is the side where the air flows out, that is, when the fan blade structure 100 rotates, the rear edge 120 is the last to contact with the air, and the air leaves the fan blade structure 100 from the region of the rear edge 120 . The front edge 110 and the rear edge 120 are oppositely disposed on two sides of the blade structure 100 along the width direction thereof.

Referring to FIG. 2 , in some embodiments, the level of the rear edge 120 is lower than that of the front edge 110 , that is, the front side of the fan blade structure 100 is higher than the rear side, so that the air can be pushed better. Further, an arcuate surface 130 is connected between the front edge 110 and the rear edge 120 , since the front edge 110 is higher than the rear edge 120 , the arcuate surface 130 bends downward from the front edge 110 to the rear edge 120 . Based on the above configuration, during the rotation of the blade structure 100 , the air hits the inner surface of the arc-shaped surface 130 , and is pushed forward and downward by the inner surface of the arc-shaped surface 130 , so as to achieve blowing. Since the front side of the arc-shaped surface 130 is high and the rear side is low, the arc-shaped surface 130 has a better driving effect, thereby allowing more air to flow, so as to achieve a better effect of stirring the air, and to a certain extent The blowing effect of the fan blade structure 100 is improved.

Referring to FIG. 3 , in order to further optimize the fan blade structure 100 to reduce the noise and energy consumption of the fan blade structure 100 during operation, in the embodiment of the present invention, the front edge 110 of the fan blade structure 100 is designed so that it faces the direction of air inflow. The direction is convex, that is, the front edge 110 protrudes toward the front of the blade structure 100 to change the contact between the blade structure 100 and the air. Optionally, the front edge 110 at the position between the two ends of the fan blade structure 100 has a peak distance relative to the line between the two ends of the fan blade structure 100 , it can be understood that the front edge 110 A point located at a certain position between the two ends of the fan blade structure 100 is the peak point, and the distance between the peak point and the line between the two ends of the fan blade structure 100 is the peak distance. At this time, the distance between the peak point and the fan blade structure The distance between the two ends of 100 is the largest. From the position corresponding to the peak distance on the front edge 110 to any end of the front edge 110, the distance between the front edge 110 and the two ends of the fan blade structure 100 decreases successively. It can be understood that the front edge The distance from the point on 110 to the line connecting the two ends of the fan blade structure 100 gradually decreases along the direction from the peak point to the end, so that the protruding degree of the area close to the peak point of the front edge 110 is relatively large, and the distance away from the peak point is relatively large. The degree of bulge in the area of the peak point is relatively small. Based on this design, the protruding front edge 110 can guide the air, so that the air can flow in from the front edge more smoothly, and the impact of the air on the front edge is weakened, which is beneficial to reduce noise and energy consumption. In addition, from the peak point of the front edge 110 to any end, the width of the fan blade structure 100 decreases, that is, the area of the fan blade structure 100 near the peak point is wider, and the area away from the peak point is narrower. On the one hand, it can improve the strength of the entire fan blade structure 100 , on the other hand, it can also play a good role in driving, and to a certain extent, it can increase the blowing volume of the fan blade structure 100 .

In addition to the above method, the end of the fan blade structure 100 that is away from its own rotation axis is bent upwards, that is, the end of the fan blade structure 100 is tilted upward, so that the air flow can be guided when the fan blade structure 100 rotates. , to a certain extent, can weaken the collision effect between the air and the fan blade structure 100, thereby helping to reduce noise and energy consumption when the fan blade structure 100 rotates.

Based on the above configuration, when the fan blade structure 100 rotates, air flows in from the front edge 110 , and is guided by the curved surface 130 to flow out from the rear edge 120 . Wherein, the front edge 110 protrudes toward the direction of air inflow, so that the air can be guided, so that the air can flow in from the front edge 110 more smoothly, which weakens the collision effect of the air on the front edge 110, and is beneficial to reduce noise and energy consumption; In addition, the fan blade structure 100 has greater strength and has a good driving effect, which can increase the blowing volume of the fan blade structure 100 . In addition, the tip of the fan blade structure 100 is tilted upwards, which can guide the air flow through the tip when the fan blade structure 100 rotates, which can weaken the collision effect between the air and the fan blade structure 100, thereby facilitating the reduction of the fan blade structure 100. Noise and energy consumption when structure 100 rotates.

Therefore, in the embodiment of the present invention, by adopting the above-mentioned fan blade structure 100, the electric fan, fan lamp and other products using the above-mentioned fan blade structure 100 can have the advantages of low noise and low energy consumption, which greatly improves user experience.

Referring to FIG. 3 , in some embodiments, the front edge 110 includes a connected first arc segment 111 and a second arc segment 112 , wherein the first arc segment 111 and the second arc segment 112 are respectively located on the front edge 110 at a distance from the peak value The two sides at the corresponding position, that is, the front edge 110 is divided into a first arc segment 111 and a second arc segment 112 by the peak point. Correspondingly, the rear edge 120 includes a third arc segment 122 and a fourth arc segment 123, wherein the third arc segment 122 is disposed opposite to the first arc segment 111, and the fourth arc segment 123 is disposed opposite to the second arc segment 112, and The arc of the second arc segment 112 is greater than the arc of the fourth arc segment 123 , and the second arc segment 112 protrudes in a direction away from the fourth arc segment 123 . Based on the above configuration, the front edge 110 of the fan blade structure 100 protrudes toward the direction of air inflow (ie, forward), so as to guide the air through the protruding part, so as to reduce noise and reduce energy consumption.

Optionally, the distance between the first arc segment 111 and the third arc segment 122 is relatively large, so that the strength of the end of the fan blade structure 100 close to its own rotation axis can be improved, so as to increase the service life of the fan blade structure 100 . In addition, both the second arc segment 112 and the fourth arc segment 123 protrude forward, and the degree of protrusion of the second arc segment 112 is greater than the degree of protrusion of the fourth arc segment 123, that is, the arc of the second arc segment 112 Or the curvature is greater than the radian or curvature of the fourth arc segment 123, so that an arc-shaped surface 130 with unequal width is formed between the second arc segment 112 and the fourth arc segment 123, which can not only ensure the strength of the fan blade structure 100, but also can The air flow of the fan blade structure 100 is improved.

In some embodiments, the second arc segment 112 is connected to the fourth arc segment 123 , and the junction of the two forms a pointed structure. By setting the pointed structure, on the one hand, the mass of the tail end of the fan blade structure 100 can be reduced, which is beneficial to the stability of the fan blade structure 100 during high-speed rotation; , which is beneficial for noise reduction.

Referring to Fig. 1 to Fig. 3, in order to make the air be guided by the fan blade structure 100 more smoothly, so as to reduce the interaction between the air and the fan blade structure 100, in the embodiment of the present invention, the rear edge of the fan blade structure 100 120 is provided with a bionic sawtooth structure 121 . Due to the installation of the bionic sawtooth structure 121, the shape of the fan blade structure 100 may be similar to the shape of the wings of a flying bird. On the one hand, it has a better blowing effect, and on the other hand, it can also achieve the effect of reducing drag and noise. By setting the bionic sawtooth structure 121, the area of the boundary layer of the fan blade structure 100 can be reduced, so that the pressure pulsation can be reduced, thereby playing the role of noise reduction; at the same time, the distance between the air and the fan blade structure 100 is reduced The contact area reduces the resistance of the air to the fan blade structure 100, and reduces the load of the fan blade structure 100 when it rotates to a certain extent, thereby reducing energy consumption. Moreover, by setting the bionic sawtooth structure 121, it can also cut the eddy current near the rear edge 120 of the fan blade structure 100, that is, cut the large eddy current into several discrete small eddy currents, and weaken the eddy current through viscous dissipation. The strength of the eddy current near the rear edge 120 can reduce the noise generated by the eddy current to a certain extent.

In some embodiments, the bionic sawtooth structure 121 includes a plurality of slots 1211 sequentially arranged along the rear edge 120 , when the air flows to the rear edge 120 of the fan blade structure 100 , it flows out from the fan blade structure 100 through the plurality of slots 1211 , so that the air can be guided through the slots 1211 .

Optionally, the openings of the plurality of slots 1211 have different widths. Since the distances between the plurality of slots 1211 and the axis of rotation are not equal, during the rotation of the fan blade structure 100, the rotational angular speeds of the plurality of slots 1211 are not equal. Based on this, the widths of the openings of the plurality of slots 1211 are designed to be different. etc., so as to adapt to the interaction between each position of the blade structure 100 and the air. In some embodiments, the width of the opening of the slot 1211 can gradually increase or decrease from the head end (ie, the end close to the rotation axis) to the end (ie, the end away from the rotation axis) of the fan blade structure 100 , in addition In addition, it can also be irregular, as long as it meets the actual requirements. In the embodiment of the present invention, there is no specific limitation on the width of the plurality of slots 1211 .

Optionally, the width of each gullet 1211 decreases gradually along the direction from the rear edge 120 to the front edge 110 . Based on this design, the air can flow out from the rear edge 120 of the fan blade structure 100 more smoothly. Of course, each tooth groove 1211 can also be designed in other shapes, as long as the actual requirements are satisfied, and there is no specific limitation on the shape of each tooth groove 1211 in the embodiment of the present invention.

Optionally, the depths of the plurality of grooves 1211 are equal. Based on this, the distance between the tooth roots of the plurality of tooth grooves 1211 and the rear edge 120 of the fan blade structure 100 can be equal. On the one hand, the air can flow more evenly in the plurality of tooth grooves 1211; Making the structure of the rear edge 120 of the fan blade structure 100 more symmetrical can improve the appearance performance of the fan blade structure 100 to a certain extent. Of course, the depths of the plurality of tooth grooves 1211 can also vary, as long as the actual requirements are satisfied, and there is no specific limitation on the depth of the plurality of tooth grooves 1211 in the embodiment of the present invention.

In some embodiments, the tooth groove 1211 may be a V-shaped groove structure, or may be an inverted trapezoidal groove structure, but is not limited to the above-mentioned shapes.

Based on the above-mentioned design of the bionic sawtooth structure 121 , the eddy current noise at the rear side of the fan blade structure 100 can be reduced more effectively, and energy consumption can be reduced at the same time.

Continuing to refer to FIG. 3 , in some embodiments, the region between the two ends of the fan blade structure 100 protrudes forward, while the two ends bend and extend backward, so that the fan blade structure 100 as a whole is an arch-like structure . In this way, the front edge 110 of the blade structure 100 is a convex curve, and the rear edge 120 is a concave curve. When the fan blade structure 100 rotates, the protruding front edge 110 can guide the air to a certain extent, making it easier for the air to flow into the inside of the arc-shaped surface 130 of the fan blade structure 100. At the same time, the concave rear edge 120 The air can flow out smoothly, reducing the obstruction of the air. Based on the above settings, the collision between the air and the blade structure 100 can be alleviated to a certain extent, thereby reducing noise, and reducing the obstruction of the air to the blade structure 100, thereby reducing the energy consumed by the rotation of the blade structure 100 consumption.

Continuing to refer to FIG. 3 , in some embodiments, the biomimetic sawtooth structure 121 includes a plurality of tooth tips 1212 , and the connecting line of the plurality of tooth tips 1212 is collinear with the rear edge 120 . Optionally, the tooth tip 1212 may be a triangular tooth tip, a trapezoidal tooth tip, an arc-shaped tooth tip, etc. The specific shape of the tooth tip 1212 is not specifically limited in the embodiment of the present invention. Based on the above settings, when the air flows out through the rear edge 120 of the fan blade structure 100, the large vortex generated near the rear edge 120 can be cut into several discrete small vortices, thereby reducing the noise generated by the vortex; The contact area with the tooth tips 1212 is relatively small, which reduces the resistance effect of the air on the fan blade structure 100 and reduces the load of the fan blade structure 100 when rotating to a certain extent, thereby reducing energy consumption.

Referring to FIG. 2 , in some embodiments, the end of the blade structure 100 away from its own rotation axis is provided with a bending surface 140 , and the bending surface 140 extends upward in a direction away from the rotation axis, that is, the end of the blade structure 100 (ie, the end away from the axis of rotation) is upturned. Based on the above settings, when the fan blade structure 100 rotates, the bending surface 140 can guide the air flow, which can weaken the collision between the air and the fan blade structure 100 to a certain extent, thereby helping to reduce the fan blade structure. Noise and energy consumption at 100 rotations. Optionally, the bending surface 140 may be a bending plane or a bending arc. In addition, the bending surface 140 can also be designed as a pointed structure.

Referring to FIG. 3 , in some embodiments, the blade structure 100 has a head, a middle portion and a tail portion arranged in sequence from the axis of rotation to a direction away from the axis of rotation, that is, the head is located at one end of the blade structure 100 close to the axis of rotation. , the tail is located at the end of the fan blade structure 100 away from the rotation axis. Further, the width of the tail portion of the blade structure 100 is smaller than the widths of the head and the middle portion of the blade structure 100 , that is, the width of the tail portion of the blade structure 100 is the smallest. Optionally, the width of the fan blade structure 100 may gradually decrease from the head to the tail. Of course, it is also possible that the width of the fan blade structure 100 gradually increases from the head to the middle, and gradually decreases from the middle to the tail. That is, the width of the middle part of the blade structure 100 is the largest, so as to ensure the strength and stability of the entire blade structure 100 .

Referring to Fig. 4 to Fig. 6, a fan lamp is also disclosed in the embodiment of the present invention. The disclosed fan lamp includes a fan lamp main body and a plurality of the above-mentioned fan blade structures 100, and the plurality of fan blade structures 100 can be folded or unfolded Set on the main body of the fan light. Optionally, the main body of the fan light includes a rotating assembly 200 , a driving assembly 300 , a lamp assembly 400 and a suspension assembly 500 .

Referring to FIG. 7 , the rotating assembly 200 can be used to install multiple fan structures, and connect the fan structures to the drive assembly 300 so as to drive the fan structures to rotate through the drive assembly 300 . In the embodiment of the present invention, the rotating assembly 200 may include a rotating disk 210 on which a plurality of installation parts 211 are provided. Specifically, a plurality of installation parts 211 may be arranged at intervals near the edge of the rotating disk 210 . Correspondingly, the head of the blade structure 100 is provided with a rotating seat 150 , and the rotating seat 150 is correspondingly disposed on the mounting portion 211 , and the mounting portion 211 and the rotating seat 150 can rotate relative to each other. Optionally, the installation part 211 may be a groove structure, and the rotating seat 150 may include a protrusion structure, and the protrusion structure may be embedded into the groove structure and connected by a connecting piece. Wherein, the connecting piece may be a pin shaft, a rotating shaft, a pin, and the like.

In some embodiments, in order to enable the blade structure 100 to be folded in a non-rotating state, an elastic element is provided between the installation part 211 and the rotating seat 150 in the embodiment of the present invention, wherein the elastic element may be a torsion spring. In this way, when the fan structure is in a non-rotating state, the elastic element drives the fan blade structure 100 to rotate and retract relative to the rotating disk 210 through elastic force. To a certain extent, the appearance performance of the fan lamp can be improved, and the overall volume of the fan lamp can be reduced. When the fan structure rotates with the rotating disk 210, the fan blade structure 100 is thrown outward under the action of centrifugal force. As the speed of the rotating disk 210 gradually increases, when the centrifugal force is greater than the elastic force of the elastic element, the fan blade structure 100 is relatively 210 unfolds, so as to realize the blowing effect.

Referring to FIG. 4 , in order to make multiple blade structures 100 unfold or retract synchronously relative to the rotating disk 210 , the rotating assembly 200 in the embodiment of the present invention further includes a synchronizing disk 220 , which is rotatably arranged on the rotating disk 210 . Wherein, the synchronous plate 220 is provided with a guide groove 221 , correspondingly, the head of the blade structure 100 is provided with a guide structure 160 , such as a guide rod, a guide shaft, etc., and the guide structure 160 is movably disposed in the guide groove 221 . In this way, when the fan blade structure 100 is unfolded or retracted relative to the rotating disk 210, the guide structure 160 will move along the guide groove 221, and at the same time, the synchronous disk 220 will rotate at a certain angle relative to the rotating disk 210, so that multiple fans The leaf structures 100 are unfolded or collapsed at the same time, so that the actions of the plurality of leaf structures 100 are synchronized.

The driving assembly 300 may include a driving motor. The rotating structure of the driving motor is connected to the rotating disk 210 , and the fixing structure of the driving motor is connected to the suspension assembly 500 , so as to drive the rotating disk 210 and the blade structure 100 to rotate.

The lamp assembly 400 is arranged under the rotating disk 210, and the lamp assembly 400 is connected with the suspension assembly 500, so that the lamp can be stably hung on the roof.

The suspension assembly 500 includes a fixing base 510 and a connecting rod 520, wherein the fixing base 510 is used for fixing on the roof, and the connecting rod 520 is used for connecting the fixing base 510 with the fan part and the lamp part, so as to realize the hoisting of the fan lamp.

It should be noted here that, in addition to the above methods, the above rotating assembly 200 , driving assembly 300 , lamp assembly 400 and suspension assembly 500 can also refer to related technologies, and the embodiments of the present invention do not limit the specific structures of the above components.

Referring to FIG. 6 , in some embodiments, when a plurality of fan blade structures 100 are respectively housed in the main body of the fan lamp, the first arc segment 111 of the previous fan blade structure 100 and the second arc segment of the rear fan blade structure 100 The arc segments 112 are arranged oppositely and have gaps formed therein. Based on the above setting, the two adjacent fan blade structures 100 are completely spaced apart, that is, when the fan blade structures 100 are unfolded or folded, the two adjacent fan blade structures 100 will not touch each other. Therefore, the soundness of the fan blade structure 100 is ensured, and collision noise is avoided.

Continuing to refer to FIG. 6 , optionally, the fan lamp includes three fan blade structures 100, and when the three fan blade structures 100 are all folded into the main body of the fan lamp, the gaps between the three fan blade structures 100 are herringbone distributed. In the embodiment of the present invention, the fan blade structure 100 may be arcuate. When the fan blade structure 100 is folded, the concave surface of the arcuate fan blade structure 100 faces the edge direction of the rotating disk 210, and the convex surface of the arcuate fan blade structure 100 faces The direction of the center of the rotating disc 210 . In this way, when the three blade structures 100 are all in the folded state, the side of the front edge 110 of the previous blade structure 100 close to the head, and the side of the front edge 110 of the rear blade structure 100 close to the tail A gap is formed between one side. In this way, a group of gaps is formed between every two adjacent fan blade structures 100 among the three fan blade structures 100 , and the three fan blade structures 100 form three groups of gaps in total, and the three groups of gaps are joined together in a herringbone shape. Based on this, on the one hand, collisions between adjacent fan blade structures 100 can be prevented, and on the other hand, it is also beneficial to improve the appearance performance of the fan lamp.

To sum up, in the embodiment of the present invention, through the overall design of the fan blade structure 100 , the noise of the fan blade structure 100 when rotating is lower and the energy consumption is lower, thereby improving the user experience.

Embodiments of the present invention have been described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementations, and the above-mentioned specific implementations are only illustrative, rather than restrictive, and those of ordinary skill in the art will Under the enlightenment of the present invention, without departing from the gist of the present invention and the protection scope of the claims, many forms can also be made, all of which belong to the protection of the present invention.

Claims

A fan blade structure (100), comprising:

The front edge (110), the front edge (110) is a side of the air inflow, the front edge (110) protrudes toward the direction of air inflow, the front edge (110) is in the fan blade structure ( 100), there is a peak distance relative to the line between the two ends of the fan blade structure (100), from the front edge (110) to the peak distance From the corresponding position to any end of the front edge (110), the distance between the front edge (110) and the two ends of the blade structure (100) decreases gradually, and the The width of the blade structure (100) is reduced;

a rear edge (120), the rear edge (120) is a side where air flows out, and the level of the rear edge (120) is lower than the level of the front edge (110);

an arc surface (130), the arc surface (130) is connected between the front edge (110) and the rear edge (120), and the arc surface (130) starts from the front edge (110) ) to the direction of the rear edge (120) bent downwards;

Wherein, one end of the fan blade structure (100) away from its own rotation axis bends upwards and extends.
The fan blade structure (100) according to claim 1, wherein the front edge (110) includes a first arc segment (111) and a second arc segment (112) connected, and the first arc segment (111 ) and the second arc segment (112) are respectively located on both sides of the position corresponding to the peak distance on the front edge (110), and the rear edge (120) includes a connected third arc segment ( 122) and the fourth arc segment (123), the third arc segment (122) is set opposite to the first arc segment (111), and the fourth arc segment (123) and the second arc segment ( 112) relative setting;

The arc of the second arc segment (112) is greater than the arc of the fourth arc segment (123), and the second arc segment (112) protrudes toward a direction away from the fourth arc segment (123).
The fan blade structure (100) according to claim 2, wherein, the second arc segment (112) is connected to the fourth arc segment (123), and the connection between the two forms a pointed structure.
The fan blade structure (100) according to claim 1, wherein the rear edge (120) is provided with a bionic sawtooth structure (121).
The fan blade structure (100) according to claim 4, wherein the bionic sawtooth structure (121) comprises a plurality of cogs (1211) sequentially arranged along the rear edge (120);

There are differences in the widths of the openings of the plurality of alveoli (1211), and/or, the width of each alveoli (1211) gradually increases along the direction from the rear edge (120) to the front edge (110). Reduced, and/or, the depths of the multiple gullets (1211) are equal.
The fan blade structure (100) according to claim 4, wherein the bionic sawtooth structure (121) includes a plurality of tooth tips (1212), and a line connecting the plurality of tooth tips (1212) and the rear edge (120) collinear.
The fan blade structure (100) according to claim 1, wherein, one end of the fan blade structure (100) away from its own rotation axis is provided with a bending surface (140), and the bending surface (140) faces away from The direction of the axis of rotation bends upwards and extends.
A fan lamp, comprising a fan lamp main body and the fan blade structure (100) according to any one of claims 1-7;

A plurality of the fan blade structures (100) are arranged on the main body of the fan light in a foldable or expandable manner.
The fan light according to claim 8, wherein, the front edge (110) includes a first arc segment (111) and a second arc segment (112) connected, and the first arc segment (111) and the The second arc segment (112) is respectively located on both sides of the position corresponding to the peak distance on the front edge (110);

In the case that a plurality of fan blade structures (100) are all housed in the main body of the fan lamp, the first arc segment (111) of the former fan blade structure (100) and the latter fan blade structure The second arc segment (112) of (100) is arranged oppositely, and a gap is formed between the first arc segment (111) and the second arc segment (112).
The fan lamp according to claim 9, wherein the fan lamp comprises three fan blade structures (100), and when the three fan blade structures (100) are all folded into the fan lamp main body, The gaps between the three fan blade structures (100) are distributed in a herringbone shape.