WO2016101345A1 - Light-emitting device simulating candlelight - Google Patents

Abstract

A light-emitting device simulating candlelight comprises a machine base (5), a flame sheet, a light-emitting element (71), and a swing structure. The flame sheet comprises an upper flame sheet (21) and a lower swing portion (22). The upper flame sheet (21) is a candlelight simulation part. The lower swing portion (22) allows the center of gravity of the flame sheet to be lowered. A through-hole (22a) is formed in the flame sheet. The flame sheet is suspended to the machine base (5) by means of a hook member (4) that transversely penetrates through the through-hole (22a). The light outgoing direction of the light-emitting element (71) faces to the upper flame sheet (21). The swing structure comprises a magnetic body (31) and a coil (32). The magnetic body (31) is disposed on the side surface of the bottom of the lower swing portion (22). The coil (32) is located on the lateral part of the lower swing portion (22), and the central axis of the coil (32) is opposite to the magnetic body (31). According to the light-emitting device, the flame sheet is suspended to the machine base (5) by means of the hook member (4), the flame sheet is driven more directly by means of the swing structure used for lateral driving, and the flame sheet flexibly swings leftwards and rightwards, thereby making the effect vivider; both the transverse space and the longitudinal space of the whole light-emitting device are effectively utilized, the structure of the light-emitting device is more compact, and manufacturing cost is lower.

Description

Light-emitting device for simulating candle light Technical field

The invention belongs to the technical field of lighting devices, and in particular relates to a lighting device for simulating candle light.

Background technique

With the widespread use of electronic lighting equipment, traditional candles have gradually withdrawn from the lighting market due to their low safety, high resource consumption, and smog-contaminated air. However, due to the ornamental and erotic nature of the candlelight, it can create a warm and romantic atmosphere. The atmosphere of the environment, so in the bars, dance halls, cafes, living rooms, etc., a variety of electronic lamps that simulate candlelights have emerged to meet people's requirements for quality of life.

However, in the existing decorative lighting device for simulating candlelight, some simulations are not realistic, and the swinging structure is placed under the flame piece, so that the flame piece is mainly shaken up and down under the action of the swinging structure, and the flame generated by the traditional candle is ignited. The sway is caused by the external wind, causing the flame to sway and flicker around. The swaying structure is placed under the flame piece to achieve a realistic effect of swaying around the candlelight, lacking the "dynamic" that makes it look more vivid, and the oscillating structure is placed under the flame piece. As a result, the occupied space is large, the volume of the entire device is increased, and the design is not flexible enough. Some structures are complicated, and there are many parts, which leads to an increase in the difficulty of craft production and a high production cost.

Therefore, a light-emitting device capable of producing a more vivid and candle-like light and low cost is the focus of the inventors.

Summary of the invention

The object of the present invention is to provide a light-emitting device for simulating candlelight, which is more vivid and realistic, and has a simple manufacturing process and low cost, and will attract more consumers.

The technical solution adopted for achieving the object of the present invention is: a light-emitting device for simulating candlelight, comprising a base, a flame piece, a light-emitting element and a swinging structure, the flame piece comprising an upper flame piece and a hem portion connected to each other, The upper flame piece is a simulated candle portion, the hem portion moves the center of gravity of the flame piece downward; the flame piece is provided with a through hole, and the flame piece is suspended on the frame by a hook member transversely passing through the through hole; The light-emitting element has a light-emitting direction facing the upper flame piece; the swing structure includes a magnetic body and a coil, the magnetic body is disposed on a bottom side of the hem portion, the coil is located at a side of the hem portion, and the central axis of the coil is The magnetic bodies are opposite.

Compared with the prior art, the beneficial effects of the present invention are:

1. The magnetic body of the oscillating structure of the present invention is disposed on the bottom side of the hem portion of the flame piece, the coil is located at the side of the hem portion, and the central axis of the coil is opposite to the magnetic body, and the laterally driven oscillating structure is used to make the flame piece The driving force in the left and right direction is more direct, and it can be more swaying like a real flame, which improves the realisticity of the candlelight and makes it more vivid;

Moreover, the lateral arrangement of the oscillating structure enables the entire illuminating device to be effectively utilized in both the lateral and longitudinal spaces, overcomes the disadvantage that the conventional oscillating structure is disposed above and below, and the installation space needs to be left under the flame piece. The structure of the present invention is further improved. Compact, saving on manufacturing materials costs.

2. The light-emitting device of the invention has a simple structure, and uses a low-cost hook member to pass through the through hole of the flame piece to suspend the flame piece on the machine base. Since the weight of the hem portion of the flame piece is larger than the weight of the upper flame piece, the flame piece is very It is easy to hang vertically under the action of its own gravity, and it is easier to shake under the action of external force, and the manufacturing process is simple and the cost is low.

3. In the present invention, the magnetic body and the coil are disposed side by side so that the flame piece does not generate noise during the shaking process, so that the invention can generate a more quiet and romantic atmosphere when used, and meet the requirements of the consumer for the environmental atmosphere.

Preferably, the middle portion of the hook member has a concave curved shape, and a middle portion of the hook member abuts the through hole.

The concave curved structure realizes the limiting action on the flame piece. When the light-emitting device is tilted or tilted, the flame piece does not slide laterally or away from the hook member; and when the flame piece is swayed left and right under the action of the swinging structure, The overall stability of the illuminating device is enhanced, further improving the flame fidelity.

Preferably, the hem portion includes a connecting portion and a pillar below the connecting portion, the through hole is disposed on the connecting portion, and the magnetic body is disposed on a side surface of the pillar.

The connecting portion and the cylinder in the hem portion move the center of gravity of the entire flame piece downward, and the flame piece can be vertically suspended under the action of self-weight when the flame piece is not subjected to an external force; the magnetic body is disposed on the side of the column, because the side of the column is vertical This makes the magnetic body and the central axis of the coil easier to align, the driving direction is more accurate, and the driving is more direct.

In the present invention, the magnetic body and the coil may be one, and a balance block may be disposed on the other side of the cylinder, and the balance block and the magnetic body are symmetrically disposed about the central axis of the cylinder. The weight can be magnetic or other material.

Needless to say, the magnetic body and the coil may be plural, and the plurality of magnetic bodies are circumferentially distributed along the bottom side surface of the hem portion, and the plurality of coils are respectively provided corresponding to the magnetic body.

Preferably, the method further includes a support body and an upper cover disposed on the base, wherein the upper cover and the support body cooperate with each other to form a cavity for accommodating the flame piece, the swinging structure and the light-emitting element; The upper flame plate is exposed outside the upper cover through hole, the bottom of the upper cover is provided with a first buckle; the support body is provided with a first bracket and a second bracket, the first bracket and the first bracket The two brackets are oppositely disposed; the hook member is an "M" type, and two ends of the "M" type hook member are respectively fixed on the first bracket and the second bracket; the bottom of the support body is provided with a circuit board, and the circuit board is respectively The light-emitting element is connected to the coil; the support body is further provided with a second buckle that matches the first buckle.

The upper cover and the support body are fastened to each other by the first buckle and the second buckle, thereby realizing the limitation and protection of the flame piece, the swinging structure and the light-emitting element, and the components of the light-emitting device are not moved or dumped. Fall off or detach. The two ends of the "M" type hook member are respectively fixed on the corresponding brackets, and the brackets can be hollow hollow bodies with open tops. The two ends of the hook members are directly inserted into the hollow cavity body, and the installation is very convenient.

Preferably, the light-emitting element is externally sleeved with a lens support cylinder, and the lens support cylinder includes a vertically upward extending portion, and an inclined portion connected to the extending portion toward the upper flame sheet, and the light-emitting opening of the lens supporting cylinder is disposed on the light-emitting opening lens.

The light is concentrated by the lens so that the light projected onto the upper flame is brighter and more realistic.

Preferably, a light guiding material is disposed in the lens support cylinder.

The design allows the lens support cylinder to better guide the light emitted by the light-emitting element while supporting the lens, thereby reducing scattering and loss of light.

Preferably, the base is a hollow structure, and a bottom of the hollow structure is provided with a PCB board, and the PCB board is provided with RGB light-emitting elements.

The RGB light-emitting element refers to a light-emitting element including three color LED chips of R (Red Red), G (Green Green), and B (Blue Blue). The light of the RGB light-emitting element is emitted upward, and the interior of the hollow structure is illuminated, and the color and brightness of the RGB light-emitting element are controlled by the PCB board, so that the present invention realizes a plurality of color changes on the basis of the simulated candle light. , add a romantic style.

On this basis, the present invention can also be controlled by an external mobile intelligent terminal: the PCB main board can receive a control signal transmitted by the mobile intelligent terminal through wifi or Bluetooth or ZigBee wireless transmission mode, and the control signal is used to control the RGB light-emitting component. The color and brightness enable the illuminating device body to generate colored light that constantly changes with the control signal of the mobile intelligent terminal, and has a richer atmosphere rendering function, further enhancing the romantic style and winning the consumer's favorite.

Preferably, further comprising a light energy collecting plate between the light emitting element and the flame sheet for absorbing the residual light of the light emitting element and/or the reflected light of the flame sheet, the light energy A collecting plate is connected to the coil and/or the light-emitting element.

The light energy collecting plate converts the absorbed light into electric energy, and supplies the electric energy to the coil, causes the coil to generate an electromagnetic field, drives the flame piece with the magnetic body to shake left and right, or supplies electric energy to the light emitting element, so that the design is generated during the irradiation process. The afterglow is fully utilized, reducing the consumption of the built-in power source or the external power source, saving energy and environmental protection, and bringing the light-emitting device of the present invention closer to the "green lighting device".

Preferably, the bottom of the base is provided with a receiving cavity for mounting a power source, and the receiving cavity is a rectangular structure disposed laterally, and a conductive elastic piece is disposed in the receiving cavity.

The conductive elastic piece is connected to the circuit board and the PCB board through a conductive material such as a flexible PCB material or a copper wire.

The present invention can use an external power supply or a built-in power supply. When the built-in power supply is used, the multi-cell batteries can be placed in the rectangular accommodating cavity in the lateral direction, and the lateral arrangement is effective to utilize the structure space of the illuminating device, thereby reducing the occupation ratio in the longitudinal space of the illuminating device and the loss of material during the manufacturing process. In particular, when the illuminating device body is provided with a color illuminating element, the color illuminating element illuminates the body, so that the shadow area of the body base is smaller from the appearance, and the entire illuminating device is more like a traditional candle.

Preferably, a middle portion of the upper flame piece is provided with a vertical slit.

By "central" herein is meant that the upper flame piece is exposed at the root outside the top of the illumination device. The vertical slits may be linear or curved.

When the illuminating device is used, the light of the illuminating element is projected onto the upper flame piece, and the vertical slat at the middle of the flame piece is a dark area, which looks like the wick of the illuminating device, which makes the simulation effect more realistic.

Preferably, the utility model further comprises a cylindrical outer casing sleeved on the outer side of the base, the upper surface of the outer casing is provided with a through hole for swinging the upper flame piece, and the upper surface of the outer casing has an irregular concave and convex shape.

The embossed irregular surface of the outer casing allows the present invention to behave like a conventional candle from the appearance of a conventional candle as it burns to cause the wax body to feel uneven.

DRAWINGS

1 is a schematic view showing the appearance of a light-emitting device for simulating candlelight according to the present invention;

2 is a schematic view showing the internal structure of a light-emitting device for simulating candlelight according to the present invention;

Figure 3 is a cross-sectional view corresponding to Figure 1;

Figure 4 is a schematic structural view of a flame piece in the present invention;

Figure 5 is a schematic view showing the overall structure of a flame piece and a swinging structure in the present invention;

Figure 6 is an enlarged plan view showing a partial structure of the present invention;

Figure 7 is a structural exploded view of a light-emitting device for simulating candlelight of the present invention;

Figure 8 is a schematic structural view of a second embodiment of the present invention;

Fig. 9 is a schematic structural view of a third embodiment of the present invention.

detailed description

The specific embodiments of the present invention are further described below in conjunction with the accompanying drawings:

Embodiment 1:

Referring to Figures 1 to 7, a light-emitting device for simulating candlelight includes a housing 1 having a housing 5, a flame plate, a light-emitting element 71 and a swinging structure.

The base 5 is provided with a support body 52 and an upper cover 51 on the support body 52. The top cover 51 has an upper cover through hole 51a at the top, and a first buckle 51b is disposed on the bottom of the upper cover 51 in the circumferential direction. The support body 52 is circumferentially provided with a second buckle 52a. The first buckle 51b and the second buckle 52a are engaged with each other such that the upper cover 51 and the support body 52 are fitted up and down to form the flame piece, the swing structure and the light-emitting element. The cavity of 71.

The flame piece includes an upper flame piece 21 and a lower hem portion 22 which are connected to each other, the upper flame piece 21 is an analog candle portion, and the upper flame piece 21 is exposed outside the upper cover through hole 51a. The hem portion 22 specifically includes a connecting portion 221 and a post 222 connected below the connecting portion. The connecting portion 221 in this embodiment is a triangular-like pyramid-like structure, and the cylindrical body 222 is a cylindrical-like structure horizontally disposed. The weight of the hem portion 22 is greater than the weight of the upper flame piece 21, and the hem portion 22 moves the center of gravity of the flame piece downward. The connecting portion 221 is provided with a flame piece through hole 22a. The support body 52 is provided with a first bracket 52b and a second bracket (not shown). The first bracket and the second bracket are oppositely disposed and open above the bracket, and a hook member 4 is disposed between the two brackets. The hook member 4 is of an "M" shape, and the middle portion of the M-shaped hook member has a concave arc shape. The hook member 4 extends transversely through the through hole 22a, and the concave arcuate central portion of the hook member 4 bears against the through hole 22a, and the two ends of the hook member 4 are respectively inserted into the first bracket and the second bracket, so that The flame piece is vertically suspended in the outer casing without being subjected to an external force, and the flame piece is more easily shaken left and right under the action of an external force.

The light-emitting element 71 is obliquely mounted on the base and located on one side of the flame piece for illuminating the upper flame piece 21. The light-emitting element 71 in this embodiment is an LED lamp. The light-emitting element 71 is externally sheathed with a lens support cylinder 72, and the bottom of the lens support cylinder 72 is attached to a support body. The lens support cylinder 72 includes a vertically upward extending portion and an inclined portion that is connected to the extending portion toward the upper flame piece 21. A lens 73 is provided at the light exit of the lens support cylinder 72. The lens 73 focuses the light so that the light projected onto the upper flame sheet 21 is more concentrated and more luminous, more like a conventional candle light. The lens support cylinder is provided with a guide The light material is better guided to the light emitted from the light-emitting element 71 to be irradiated onto the upper flame sheet 21 to reduce scattering and loss of light. A vertical slit 21a is provided in the middle of the upper flame piece 21, and the vertical slit can be curved or straight. The light emitted by the light-emitting element 71 is projected onto the upper flame piece, and the vertical slit 21a in the middle of the flame piece 21 is a dark area, which looks like the wick of the light-emitting device, making the simulation effect more realistic, like a real candle burning .

Since the lens support cylinder 72 includes an extension portion and an inclined portion, in other embodiments, the light-emitting element 71 can also be vertically mounted on the base, and the light is obliquely guided to the upper flame piece through the lens support cylinder, and the light-emitting element is vertical. The installation process is simpler and more convenient.

The swinging structure includes a magnetic body 31 and a coil 32 which is provided on the bottom side of the cylindrical body 222 of the lower swing portion 22, the coil 32 is mounted on the side of the lower swing portion 22, and the central axis of the coil 32 is magnetic Body 31 is opposite. The flame piece swings side by side under the action of the swinging structure, and the lateral arrangement of the swinging structure makes the driving of the flame piece in the left and right direction more direct, and the left and right flexible swinging effect of the flame is better.

The magnetic body 31 and the coil 32 may be one, and a balance block may be disposed on the other side of the cylinder, and the balance block and the magnetic body 31 are symmetrically disposed about the central axis of the cylinder. The weight can be magnetic or other material.

Of course, the magnetic body 31 and the coil 32 may be plural, and the plurality of magnetic bodies are circumferentially distributed along the bottom side surface of the hem portion, and the plurality of coils are respectively provided corresponding to the magnetic body.

A circuit board 41 is disposed at the bottom of the support body 52, and the circuit board 41 is connected to the light-emitting element 71 and the coil 32, respectively. The circuit board 41 supplies the light-emitting element 71 with the current required for illumination; the circuit board 41 provides an intermittent current to the coil 32, causing the coil 32 to generate a magnetic field force of the same or different polarity as the magnetic body 31, driving the flame piece to sway left and right.

The bottom of the base is provided with a receiving cavity 6 for mounting a power source. The receiving cavity is a rectangular structure disposed laterally. A conductive elastic piece 62 is disposed at one end of the receiving cavity, and the conductive elastic piece 62 passes through the flexible PCB material or copper. The wire material is connected to the circuit board 41, and the battery cover 63 is detachably connected to the bottom of the accommodating cavity. In actual use, the battery cover 63 is removed, and the multi-cell battery 61 is horizontally arranged and placed in the accommodating cavity 6 to supply power to the illuminating device. .

Alternatively, the illuminating device is directly connected to an external power source to supply power to the illuminating device.

In the embodiment, the outer casing 1 of the outer casing 5 is a cylindrical candle structure, and the upper surface of the outer casing 1 is provided with a through hole, and the through hole is opposite to the through hole 51a of the upper cover 51, so that the upper flame piece 21 is exposed on the top of the outer casing. . In order to simulate the irregular shape formed by the melting of the wax oil during the burning of the real candle, the surface of the outer casing 1 is formed into an irregular concave-convex shape, and the side wall of the side near the light-emitting element 71 is concave, so that the viewer sees at this angle. The candlelight is more realistic.

The principle of driving the flame piece to the left and right by the lateral swinging structure is as follows:

The circuit board 41 provides intermittent current to the coil 32. When the coil 32 is energized, a magnetic field having the same or different polarity as the magnetic body 31 is generated. When the polarity of the generated magnetic field is different from the polarity of the magnetic body 31, the coil 32 attracts the magnetic body 31 toward it, and drives the flame piece to oscillate in the direction of the coil 32; when the coil 32 is de-energized, the magnetic field disappears and the magnetic body leaves the coil. On one side, due to the existence of inertial potential energy, the magnetic body 31 will drive the flame piece to swing in the opposite direction of the coil. Since the center of gravity of the entire flame piece is at the lower end, the flame piece falls freely under the action of its own gravity, and the direction of the coil current changes again. When the polarity of the generated magnetic field is the same as the polarity of the magnetic body 31, the coil 32 applies a repulsive force to the magnetic body 31, and the magnetic body 31 drives the flame piece to swing in the opposite direction of the coil; when the coil 32 is de-energized, the repulsive force of the magnetic body is received. Disappear, The flame piece is swung in the opposite direction under the inertia potential energy, and then the flame piece is free to fall under the action of its own weight. In such a reciprocating cycle, the flame piece is flexibly swayed under the action of magnetic force, self-gravity and inertial potential energy, and the swaying effect is particularly desirable.

Embodiment 2:

Referring to FIG. 8, the difference between this embodiment and the first embodiment is that the base 5 is a hollow structure, and the bottom of the hollow structure is provided with a PCB board 53. The PCB board 53 is provided with RGB light-emitting elements 54. The RGB light emitting element 54 is a light emitting element including three color LED chips of RGB (red, green and blue). The PCB board 53 is used for controlling the color brightness of the RGB light-emitting elements, and the three colors are mixed to generate colored light, and the colored light rays are emitted upward to illuminate the hollow machine base, so that the present invention realizes the simulated candle light while the body is presented. A variety of color changes, adding a romantic style.

On this basis, the present invention can also be controlled by an external mobile intelligent terminal: the PCB main board can receive a control signal transmitted by the mobile intelligent terminal through wifi or Bluetooth or ZigBee wireless transmission mode, and the control signal is used to control the RGB light-emitting component. The color and brightness enable the illuminating device body to generate colored light that constantly changes with the control signal of the mobile intelligent terminal, and has a richer atmosphere rendering function, further enhancing the romantic style and winning the consumer's favorite.

Other technical features are the same as those in the first embodiment, and the same technical effects can be achieved, and will not be described in detail herein.

Embodiment 3:

Since the light-emitting device of the present invention can use an internal power source, an external power source can also be used. From this point, the present embodiment utilizes the residual light generated during the illumination of the light-emitting device. By setting the light energy collecting plate 8 to convert the residual light into electric energy, the light-emitting element and the coil are again powered, so that the consumption of the battery or the external power source can be greatly saved.

Referring to FIG. 9, it is specifically achieved by the following arrangement: a bracket 81 for supporting the light energy collecting plate 8 is disposed on the base 5, and the light collecting plate 8 is disposed between the light emitting element 71 and the flame piece for absorbing light. The residual light of the element 71 and/or the reflected light of the upper flame piece 21, the light energy collecting plate 8 is connected to the coil 32 and/or the light emitting element 71, converts the absorbed light into electric energy, and supplies the electric energy to the coil 32, so that The coil 32 generates a magnetic field, drives the flame piece with the magnetic body to shake left and right, or supplies electric energy to the light-emitting element 71. The design makes the residual light formed by the illuminating device during the illuminating process fully utilized, reduces the consumption of the built-in power source or the external power source, saves energy and protects the environment, and brings the illuminating device of the present invention closer to the "green illuminating device".

Variations and modifications of the above-described embodiments may also be made by those skilled in the art in light of the above disclosure. Therefore, the invention is not limited to the specific embodiments disclosed and described herein, and the modifications and variations of the invention are intended to fall within the scope of the appended claims. In addition, although specific terms are used in the specification, these terms are merely for convenience of description and do not limit the invention.

Claims (10)

A light-emitting device for simulating candlelight, comprising a base, a flame piece, a light-emitting element and a swinging structure, wherein the flame piece comprises an upper flame piece and a hem portion connected to each other, and the upper flame piece is an analog candle part, The hem portion moves the center of gravity of the flame piece downward; the flame piece is provided with a through hole, and the flame piece is suspended on the frame by a hook member transversely passing through the through hole; the light emitting direction of the light emitting element faces An upward flame piece; the oscillating structure includes a magnetic body and a coil, the magnetic body is disposed on a bottom side of the hem portion, the coil is located at a side of the hem portion, and a central axis of the coil is opposite to the magnetic body. The illuminating device according to claim 1, wherein a central portion of the hook member has a concave curved shape, and a middle portion of the hook member abuts the through hole. The illuminating device according to claim 1, wherein the hem portion comprises a connecting portion and a column below the connecting portion, the through hole is disposed on the connecting portion, and the magnetic body is disposed on the column The side. The illuminating device according to claim 1, further comprising a support body and an upper cover disposed on the base, wherein the upper cover and the support body are cooperatively arranged to receive the flame piece, the swinging structure and the illuminating The cavity of the component; The top of the upper cover is provided with an upper cover through hole, the upper flame piece is exposed outside the upper cover through hole, and the first cover is provided with a first buckle at the bottom of the upper cover; The support body is provided with a first bracket and a second bracket, and the first bracket and the second bracket are oppositely disposed; the hook member is an "M" type, and two ends of the "M" type hook member are respectively fixed on the first bracket and The second support is disposed on the bottom of the support body, and the circuit board is respectively connected to the light-emitting element and the coil; and the support body further has a second buckle matched with the first buckle. The illuminating device according to claim 1, wherein said illuminating member is externally sheathed with a lens supporting cylinder, said lens supporting cylinder comprising a vertically upward extending portion, and an inclined portion connected to the extending portion toward the upper flame piece A lens is disposed on the light exit of the lens support cylinder. The illuminating device according to claim 5, wherein a light guiding material is disposed in the lens supporting cylinder. The light-emitting device according to any one of claims 1 to 6, wherein the base is a hollow structure, and a bottom of the hollow structure is provided with a PCB board, and the PCB board is provided with RGB light-emitting elements. The illuminating device according to any one of claims 1 to 6, further comprising a light energy collecting plate between the light emitting element and the flame piece for absorbing the light emitting element The residual light and/or the reflected light of the flame sheet, which is connected to the coil and/or the light-emitting element. The illuminating device according to claim 1, wherein the bottom of the base is provided with a receiving cavity for mounting a power source, and the accommodating cavity is a rectangular structure disposed laterally, and a conductive elastic piece is disposed in the accommodating cavity. The illuminating device according to claim 1, wherein a middle portion of said upper flame piece is provided with a vertical slit.

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