DK178932B1 - Lighting Device Simulating Real Flame Illumination - Google Patents

Lighting Device Simulating Real Flame Illumination Download PDF

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Publication number
DK178932B1
DK178932B1 DKPA201500083A DKPA201500083A DK178932B1 DK 178932 B1 DK178932 B1 DK 178932B1 DK PA201500083 A DKPA201500083 A DK PA201500083A DK PA201500083 A DKPA201500083 A DK PA201500083A DK 178932 B1 DK178932 B1 DK 178932B1
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DK
Denmark
Prior art keywords
light
control panel
lighting
panel
base
Prior art date
Application number
DKPA201500083A
Other languages
Danish (da)
Inventor
Xiaofeng Li
Original Assignee
Xiaofeng Li
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to CN201410289652 priority Critical
Priority to CN201410289652 priority
Application filed by Xiaofeng Li filed Critical Xiaofeng Li
Publication of DK201500083A1 publication Critical patent/DK201500083A1/en
Application granted granted Critical
Publication of DK178932B1 publication Critical patent/DK178932B1/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00Lighting devices or systems producing a varying lighting effect
    • F21S10/04Lighting devices or systems producing a varying lighting effect simulating flames
    • F21S10/043Lighting devices or systems producing a varying lighting effect simulating flames by selectively switching fixed light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • F21K9/23Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/232Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00Lighting devices or systems producing a varying lighting effect
    • F21S10/04Lighting devices or systems producing a varying lighting effect simulating flames
    • F21S10/046Lighting devices or systems producing a varying lighting effect simulating flames by movement of parts, e.g. by movement of reflectors or light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00Lighting devices intended to be free-standing
    • F21S6/001Lighting devices intended to be free-standing being candle-shaped
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00Fastening of light sources or lamp holders
    • F21V19/001Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00Fastening of light sources or lamp holders
    • F21V19/001Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/36Hoisting or lowering devices, e.g. for maintenance
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2121/00Use or application of lighting devices or systems for decorative purposes, not provided for in codes F21W2102/00 – F21W2107/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2101/00Point-like light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00Planar light sources
    • F21Y2105/10Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00Planar light sources
    • F21Y2105/10Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • F21Y2105/12Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Abstract

The present invention discloses a lighting device simulating real flame illuminating, which includes a light-emitting panel (2), a control panel (7) and a base (3). The light-emitting panel (2) is electrically connected to the control panel (7); the light-emitting panel (2) includes a PCB substrate and a plurality of light emitters (21), and the plurality of light emitters (21) is arranged on a surface of the PCB substrate to form a display surface; the control panel (7) is mounted on the base (3); the light-emitting panel (2) is fixedly connected to the control panel (7), or the light-emitting panel (2) is mounted on the base (3); the display surface protrudes from the top of the base (3); and the control panel (7) controls to turn on a part of the light emitters (21) and/or to turn off a part of the light emitters (21), so as to form a dynamic flame burning effect on the display surface.

Description

LIGHTING DEVICE SIMULATING REAL FLAME ILLUMINATING BACKGROUND Technical Field
The present application relates to an electronic lighting device, particularly to a lighting device simulating real flame illuminating.
Related Art
As a soft ornament, an electronic candle has both the practicality and safety of lighting and the ornamental value and decorativeness, and is used a lot in hotels, churches, families, and other places. As for an electronic candle simulating real flame, a light-emitting part thereof simulates the shape of flame of a conventional candle and flickers, thus having certain interest/ and the electronic candle can also create a quiet and peaceful atmosphere that helps people to feel relaxed, thus being very popular. US 5,924,784 discloses a microprocessor-based electronic lighting device that simulates a realistic flame. The electronic lighting device uses multiple light-emitting diodes that are controlled to give the appearance of flame motion, typically when viewed through a diffuser. The plurality of light-emitted diodes allows simulated flame motion. Additionally the use of a plurality of colors also enhances the effect of motion. US 2005/0196716 A1 discloses an artificial flame comprising light sources arranged to provide the appearance of a realistic flame. The artificial flame may include a plurality of colored light-emitting diodes connectable to a power source and a programmable logic device, microcontroller, or ASIC to generate pseudorandom and/or pulse width modulation to provide an artificial flame with a flickering appearance. DE 102012206988 A1 discloses a lighting device simulating real flame illuminating. The lighting device has two light-emitting panels with elongated granular inclined light-emitting diodes on each side of a PCB, which PCB also holds a control panel, and which PCB is fixed to a base, which can include batteries. The light emitting diodes can be turned on or off to forma a dynamic flame burning effect.
SUMMARY DE 102012206988 A1 discloses a lighting device in accordance with the preamble of claim 1:
Amain objective of the present invention is to provide a lighting device simulating real flame burning, and specifically to provide a lighting device simulating real flame illuminating, which includes a light-emitting panel, a control panel, and base; where the light-emitting panel is electrically connected to the control panel; the light-emitting panel includes a PCB substrate and a plurality of light emitters, and the plurality of light emitters is arranged on a surface of the PCB substrate to form a display surface; the control panel is mounted on the base; the light-emitting panel is fixedly connected to the control panel so as to be located on the base, or the light-emitting panel is mounted on the base; and the display surface protrudes from the top of the base; and the control panel controls to turn on a part of the light emitters and/or turn off a part of the light emitters, so as to form a dynamic flame burning effect on the display surface.
However, the lighting device disclosed in DE 102012206988 A1 does not provide a satisfactory solution to the problem of simulating that a candle flame is blown out. An improved solution to this problem is provided by the characterising part of claim 1 wherein: the PCB substrate comprises a light-emitting part and a fixing part, the fixing part has a protrusion extending outwards, the light-emitting part has a flame-like shape, and the display surface is located on both sides of the light-emitting part; and in that the lighting device further comprises a battery holder, and a lifting mechanism; wherein the base comprises a mounting seat, the battery holder is disposed in the mounting seat, and is electrically connected to the control panel; the mounting seat has a through hole opened at the top; in working state, the display surface protrudes from the top of the mounting seat through the through hole; and the lifting mechanism is mounted in the mounting seat, and a movement output end thereof is connected to the fixing part, and drives the light-emitting part to be hidden in the mounting seat or to protrude from the top of the mounting seat.
The present application has the following beneficial effects: a light-emitting panel of the lighting device of the present application includes a plurality of light emitters that is arranged to form a display surface, and a control panel controls to turn on a part of the light emitters and/or turn off a part of the light emitters, so as to form a dynamic flame burning effect on the display surface, so that the lighting device of the present application has a more vivid real flame burning effect, thus having certain interest.
BRIEF DESCRIPTION OF THE DRAWINGS
The disclosure will become more fully understood from the detailed description given herein below for illustration only, and thus are not limitative of the disclosure, and wherein: FIG. 1 is a schematic basic structural diagram of Embodiment 1 of the present invention; FIG. 2 is a schematic structural diagram of a light-emitting panel according to Embodiment 1 of the present invention; FIG. 3a is a schematic circuit diagram of the light-emitting panel according to Embodiment 1 of the present invention; FIG. 3b is an arrangement diagram of light emitters according to Embodiment 1 of the present invention; FIG. 4 is another schematic basic structural diagram of Embodiment 1 of the present invention; FIG. 5 is a schematic overall structural diagram of Embodiment 1 of the present invention; FIG. 6 is a schematic exploded structural diagram of Embodiment 2 of the present invention; FIG. 7 is a schematic structural diagram of a light-emitting panel according to Embodiment 3 of the present invention; FIG. 8 is a schematic cross-sectional diagram of Embodiment 3 having a lifting mechanism of the present invention; FIG. 9 is a partial enlarged diagram of Embodiment 3 having a lifting mechanism of the present invention; FIG. 10 is a schematic diagram of the lifting mechanism according to Embodiment 3 of the present invention; FIG. 11 is a schematic structural diagram of Embodiment 4 having a lifting mechanism of the present invention; FIG. 12 is a schematic structural diagram of Embodiment 5 of the present invention; FIG. 13 is a schematic structural diagram of a bulb according to Embodiment 6 of the present invention; FIG. 14 is a schematic overall structural diagram of the bulb according to Embodiment 6 of the present invention; FIG. 15 is a schematic structural diagram of a bulb according to Embodiment 7 of the present invention; FIG. 16 is a schematic overall structural diagram of the bulb according to Embodiment 7 of the present invention; FIG. 17 is a schematic structural diagram of a light-emitting panel according to Embodiment 8 of the present invention; FIG. 18 is a schematic structural diagram of a bulb according to Embodiment 8 of the present invention; FIG. 19 is a schematic overall structural diagram of the bulb according to Embodiment 8 of the present invention; FIG. 20 is a schematic structural diagram of a light-emitting panel according to Embodiment 9 of the present invention; and FIG. 21 is a schematic cross-sectional structural diagram of a lighting device according to Embodiment 9 of the present invention.
DETAILED DESCRIPTION
In the following, the present invention is further described in detail through specific embodiments in combination with accompanying drawings.
Embodiment 1
As shown in FIG. 1 and FIG. 2, a lighting device of this embodiment is an electronic candle, has a core structure being a module for simulating real flame illuminating, and includes a light-emitting panel 2, a control panel 7, and a base 3. The light-emitting panel 2 includes a PCB substrate and a plurality of light emitters 21, the PCB substrate includes a light-emitting part 22 and a fixing part 23. The fixing part 23 has a protrusion extending outwards, and has a cross-shaped structure as a whole . The light-emitting part 22 has a flame-like shape, the light emitters 21 of this embodiment specifically are light-emitting diode (LED) chips having a rectangular granular shape, the plurality of light emitters 21 is arranged on a surface of the PCB substrate and forms at least one display surface, and the light emitters 21 arranged at the top of the light-emitting part 22 has an arc-shaped profile, so as to simulate the flame shape as much as possible. In this embodiment, the display surface is located at both sides of the light-emitting part 22, the light-emitting panel 2 is mounted in the base 3, and the light-emitting part 22 protrudes from an upper end surface of the base 3. The control panel 7 controls to turn on a part of the light emitters 21 and/or turn off a part of the light emitters 21, or the control panel 7 controls to fade up a part of the light emitters 21 and/or fade out a part of the light emitters 21, or the control panel 7 controls to turn on a part of the light emitters 21 and/or turn off a part of the light emitters 21, and controls to fade up a part of the light emitters 21 and/or fade out a part of the light emitters 21, the turned-on or faded-up light emitters 21 form a flame shape on the display surface of the PCB substrate, and the flame shape continuously changes, thus forming a dynamic flame burning effect on the display surface.
In order that the lighting effect of the electronic candle of this embodiment has a more vivid real flame burning effect, the light emitters 21 of this embodiment are evenly arranged on the light-emitting part 22 in an inclined manner. In other embodiments, the light emitters 21 may have a circular shape or other shapes, the light emitters 21 may be evenly arranged on the light-emitting part 22 in a vertical or flat manner, or the light emitters 21 are arranged on the light-emitting part 22 in other manners . A schematic diagram of a control principle of the light-emitting panel 2 is shown in FIG. 3, where FIG. 3a is a schematic circuit diagram, and FIG. 3b is a wiring diagram of the light emitters 21. The control panel 7 controls to turn on a part of the light emitters 21 and turn off a part of the light emitters 21 according a PWM signal, for example, the control panel 7 selects to turn on or turn off the second column of the light emitters 21 of the first line in a matrix. This embodiment specifically adopts the following manner: a microcontroller unit MCU controls to turn on or turn off a part of the plurality of LED chips to form a pattern, so as to simulate the dynamic effect of a burning flame of the conventional candle. The microcontroller unit MCU may be powered by a battery, and may also be powered by an external power supply. The specific control principle is: 1) a power supply assembly 8 raises the voltage to 5 V by means of a boosting IC, and supplies the voltage to the microcontroller unit MCU; 2) the microcontroller unit MCU supplies power to an LED driver IC, where the model of the LED driver IC is TM1628, the LED driver IC is used for driving the LED, and the microcontroller unit MCU and the LED driver IC perform communication by using serial communication; 3) the microcontroller unit MCU sends a serial command to notify the LED driver IC of scanning different LED chips, and the LED driver IC drives to turn on or turn off corresponding LED chips, so as to turn on or turn off a plurality of LED chips; and 4) the microcontroller unit MCU sends different serial commands to control the brightness of the LED chips, to adjust the grayscale of the display area, so as to achieve the effect of dynamic variation of the flame. Additionally, an infrared remote control may be used to control the ON/OFF and timing of the lighting device of the present invention, adjust the brightness of the flame of the LED chips, and the like, for example, according to requirements, the working time of the lighting device may be set to be 4 hours, 6 hours, 8 hours, or the like.
Furthermore, the base 3 includes a mounting table 31 and a mounting seat 32. The mounting seat 32 has a notch or a through hole disposed on the upper end, and the notch or the through hole has a stop step therein. The mounting table 31 is embedded in the notch or the through hole, the mounting table 31 has a slot 312 matching with the fixing part 23, the fixing part 23 is disposed in the mounting table 31 by means of the slot 312, and the light-emitting part 23 protrudes from the top of the mounting table 31. Specifically, the mounting table 31 is formed by a left housing and a right housing that are detachable, that is, when the left housing and the right housing are detached, the fixing part 23 is disposed in the corresponding slot 312, and then the left housing and the right housing are combined to form the mounting table 31, thus achieving the purpose of fixing the light-emitting panel 2. The mounting table 31 formed by the left housing and the right housing has a cylindrical structure. In other embodiments, upper end surfaces of the left housing and the right housing of the mounting table 31 may have a shoulder 311. The shoulder 311 has a slot 312 matching with the fixing part 23, and the shoulder 311 has a stop table 313 disposed on the outer side of the left and right housing, so that the mounting table 31 is fixed in the mounting seat 31 by means of the stop table 313, as shown in FIG. 4.
The power supply is disposed in the mounting seat 32. Specifically, the mounting seat 32 has a battery holder for accommodating the power supply and a battery cover matching with the battery holder. The control panel 7 is fixed at one side of the battery holder, and is electrically connected to the battery holder. The light-emitting panel 2 of this embodiment further includes a connection port 24 disposed on a surface of the fixing part 23. By adopting a flexible circuit board, one end of the connection port 24 is plugged in the connection port 24, and the other end is connected to the control panel 7, so that the light-emitting panel 2 and the control panel 7 are electrically connected by means of the flexible circuit board.
The battery holder is disposed in the mounting seat 32, an opening of the battery holder faces downwards, and a detachable cover of the battery cover is disposed at the opening of the battery holder. According to requirements, the power supply may be a dry battery, and may also be a rechargeable battery, for example, the battery holder may be configured to accommodate 2 or 4 dry batteries of 1.5 V. The battery holder of this embodiment accommodates 2 dry batteries of 1.5 V for supplying power to the control panel 7. When a user uses the electronic candle of this embodiment, the user turns on a switch on the battery holder, the control panel 7 controls to turn on a part of the light emitters 21 and turn off a part of the light emitters 21 according to the switching signal, so as to form a dynamic flame burning effect on the display surface. In other embodiments, an external power supply may also be used for power supply.
In order to enable the electronic candle of this embodiment to simulate the texture and impression of the conventional candle, the thickness of the light-emitting part 22 of this embodiment is not more than 0.6 mm, and is preferably 0.4 mm in this embodiment. Moreover, the light-emitting panel 2 of this embodiment further includes a transparent or translucent coating layer, and the transparent or translucent coating layer covers a surface of the light emitters 21, that is, when the light emitters 21 are evenly arranged on both sides of the PCB substrate in an inclined manner, the coating layer covers the display surface formed by the light emitters 21. The coating layer may be made of an epoxy resin composite or a silica composite, and on one hand, the coating layer is used for protecting the light emitters 21 from being damaged, and on the other hand, the coating layer also modulates the light emitted by the light emitters 21 into flexible light, so that naked eyes will not be dazzled after long term exposure to the light. Furthermore, the electronic candle of this embodiment further includes a wax barrel 1, made of paraffin or coated by paraffin on an outer surface. The wax barrel 1 of this embodiment has a base plate 11 on the upper end, the base plate has a through hole 111 for the light-emitting part 22 to pass through, and the base 3 is disposed in the wax barrel 1. The light-emitting panel 2 is mounted on the mounting seat 32, and the display surface on the light-emitting panel 2 protrudes from the upper surface of the base plate through the through hole 111. An overall structural diagram of the electronic candle of this embodiment is shown in FIG. 5.
Embodiment 2:
On the basis of Embodiment 1, an exploded structural diagram of an electronic candle of this embodiment is shown in FIG. 6. The electronic candle of this embodiment includes a wax barrel 1, a light-emitting panel 2, and a base 3, and in this embodiment, the structures of the wax barrel 1, the light-emitting panel 2 and the base 3 are slightly changed as compared with the structures in Embodiment 1, and the other parts are similar to those in Embodiment 1, which are not described herein again.
The base 3 of this embodiment includes a mounting table 31 used for mounting the light-emitting panel 2 and a mounting seat 32 used for supporting the mounting table 31. The mounting seat 32 has a notch or a through hole disposed on the upper end, and the notch or the through hole has a stop step disposed therein. Different from Embodiment 1, the light-emitting part 2 of this embodiment has a rectangle structure. A plurality of light emitters 21 is evenly arranged on the light-emitting part 22 in an inclined manner. The mounting table 31 has a shoulder 311 matching with the stop step, and a lower end surface of the shoulder 311 is disposed on the stop step, so that the whole mounting table 31 is embedded in the notch or the through hole.
The mounting table 31 has a slot 312 matching with the fixing part 23, the fixing part 23 is disposed in the mounting table 31 by means of the slot 312, and the light-emitting part 22 protrudes above the shoulder 311. Specifically, the mounting table 31 of this embodiment may be a non-detachable part, and the fixing part 23 is directly inserted in the corresponding slot 312, so as to achieve the purpose of fixing the light-emitting panel 2.
The wax barrel 1 of this embodiment has a base plate 11 disposed on the upper end, and the base plate 11 has a through hole 111 for the light-emitting panel 2 to pass through. The base 3 is disposed in the wax barrel 1, and the display surface formed by the light emitters 21 protrudes from the upper surface of the base plate 11 through the through hole 111.
The through hole 111 of this embodiment is designed to be circular. In this embodiment, the slot 312 may be designed to have a stop notch corresponding to the protrusion extending at the outer side of the fixing part 23, and by means of the stop notch, the fixing part 23 is accommodated in the through hole of the shoulder. In other embodiments, the slot 312 maybe not designed, and when the electronic candle of this embodiment is assembled, the protrusion extending at the outer side of the fixing part 23 is disposed on an upper surface of the shoulder 311, and is located on a lower surface of the base plate 11, so that the light-emitting panel 2 is clamped and fixed by the base plate 11 and the shoulder 311.
Embodiment 3:
As for the lighting device provided in Embodiment 1 and Embodiment 2, the light-emitting panel 2 is fixed on the base 3, on the basis of Embodiment 1 and Embodiment 2, an electronic candle provided in this embodiment further includes a lifting mechanism 4, for hiding the light-emitting part 22 in the base 3 when the electronic candle of this embodiment does not need to be lighted up. The upper end surface of the light-emitting part 22 of this embodiment is designed to be black, so that when the light-emitting part 22 is hidden in the base 3, a simulating burning core of the electronic candle looks like burnt wood. When the electronic candle needs to be lighted up, the light-emitting part 22 protrudes from the upper end surface of the wax barrel 1, and the electronic candle is lighted up, so as to bring different visual appearances and fresh experience to the user.
Different from Embodiment 1 and Embodiment 2, the light-emitting part 22 and the fixing part 23 of this embodiment both have a rectangle structure, as shown in FIG. 7. The arrangement manner of light emitters 21 of this embodiment is similar to that of the light emitters 21 in Embodiment 2, and the structures of the wax barrel 1, the base 3, the control panel 7 and the power supply assembly 8 are respectively similar to the structures of the corresponding parts in Embodiment 1 and Embodiment 2, which are not described herein again.
As shown in FIG. 8, the lifting mechanism 4 is mounted in the mounting seat 32, and a movement output end of the lifting mechanism 4 controls to the light-emitting part 22 to be hidden in the mounting seat 32 or be exposed from an upper surface of the base plate 11.
Furthermore, as shown in FIG. 9, the lifting mechanism 4 includes a lifting board 41, a gear box 42, and a driver 43. The mounting seat 32 has a slideway for cooperating with the lifting board 41, and the rear side of the lifting board 41 is accommodated in the slideway. The right side of the lifting board 41 has a locating slot 411 for locating the fixing part 23, the fixing part 23 is disposed in the locating slot 411, and the left side of the lifting board 41 has a lifting gear 412. The gear box 42 is mounted in the mounting seat 32, the gear box 42 has a gear box gear 421 disposed therein, and the gear box gear 421 is engaged with the lifting gear 412 for transmission. The driver 43 is preferably a motor, the motor is mounted in the mounting seat 32, and a gear of the motor is engaged with the gear box gear 421 for transmission, so as to drive the gear box gear 421 to rotate, and the gear box gear 421 drives the lifting board 41 to move upwards or downwards. By means of the forward and reverse rotation of the motor, the effect of exposing and hiding the light-emitting part 22 is achieved, so that the electronic candle of this embodiment has certain interest when being used by a user.
When the user uses the electronic candle of this embodiment, the user turns on a switch on the battery holder or a switch designed at another place, the control panel 7 controls the motor to work in a preset time according to the switching signal, the gear of the motor drives the gear box gear 421 to rotate, and the gear box gear drives the lifting board 41 to move upwards, so that the light-emitting part 22 is exposed from the upper surface of the base plate 11. At the same time, the control panel 7 controls to turn on a part of the light emitters 21 and turn off a part of the light emitters 21, so as to form a flame burning effect on the display surface. When the user does not use the electronic candle of this embodiment, the control panel controls to turn off the light emitters 21, and the light-emitting part 22 is hidden in the mounting seat 32.
Embodiment 4:
On the basis of Embodiment 3, this embodiment provides another lifting mechanism 4, and the lifting mechanism 4 of this embodiment is slightly changed on the basis of the lifting mechanism 4 of Embodiment 3 . The structures of the wax barrel 1, the light-emitting panel 2, the base 3, the control panel 7 and the power supply assembly of this embodiment are respectively similar to the structures of the corresponding parts in Embodiment 2, which are not described herein again.
As shown in FIG. 10 and FIG. 11, the lifting mechanism 4 of this embodiment includes a lifting board 41, a gear box 42, a driver 43, and a rotating wheel 44. The light-emitting panel 2 is fixed at the upper part of the lifting board 41, and the lifting board 41 has a lifting gear 412 disposed at the fixing part 23. The gear box 42 is mounted in the mounting seat 32, the rotating wheel 44 is mounted in the gear box 42, and the rotating wheel 44 is engaged with the lifting gear 412 for transmission. The driver 43 is specifically a motor, and is mounted in the gear box 42 to drive the rotating wheel 44 to rotate, and the rotating wheel 44 drives the lifting board 41 to move upwards or downwards. By means of the forward and reverse rotation of the motor, the effect of exposing and hiding the light-emitting part 22 is achieved, so that the electronic candle of this embodiment has certain interest when being used by a user.
In other embodiments, the driver 43 may be an oil hydraulic pump or other transmission mechanisms.
Embodiment 5:
On the basis of Embodiments 1, 2, 3 and 4, the difference of this embodiment lies in that, as shown in FIG. 12, the lighting device of this embodiment further includes a flame shell 5 simulating a burning flame shape. The flame shell 5 covers the part of the light-emitting part 22 that protrudes from the upper surface of the base plate 11, so as to form a complete simulated burning flame shape . Specifically, the flame shell 5 of this embodiment is preferably made of a transparent or translucent material, and the display surface is accommodated in the flame shell; therefore, the LED chips are hidden in the flame shell, and when the lighting device is in a working state or a non-working state, the user will not visually see the LED chips on the light-emitting part 22. Therefore, the flame shell of this embodiment enables the lighting device to have a beautiful appearance, and moreover, when the electronic candle of this embodiment is lighted up, the flame shell of this embodiment brings more vivid burning effect to the user.
Embodiment 6:
On the basis of Embodiment 2, this embodiment provides a bulb having a standard connector matching with a standard lamp holder (for example, E14, E27, B22 and B27) and complying with the requirements of IEC. As shown in FIG. 13, the bulb of this embodiment includes a bulb shell 6, a light-emitting panel 2, a control panel 7, and a base 3. The base 3 is a bulb holder, and the bulb holder has a standard connector. The light-emitting panel 2 includes a PCB substrate and a plurality of light emitters 21. The PCB substrate includes a light-emitting part 22 and a fixing part 23. The fixing part 23 of this embodiment and the control panel 7 are connected together, and the light-emitting panel 2 and the control panel 7 are integrally formed. The bulb shell 6 of this embodiment is circular, and in other embodiments, according to requirements, the bulb shell 6 may have other shapes. The base 3 of this embodiment is slightly changed as compared with the base 3 in Embodiment 2.
In this embodiment, the base 3 includes a stop plate 33. The bulb shell 6 has external threads at the end, and the mounting seat 32 has corresponding internal threads therein. The stop plate 33 has a through hole matching with the cross section of the protrusion extending at the outer side of the fixing part 23, and the bottom end of the stop plate 33 has a stop slot 331 matching with the protrusion extending at the outer side of the fixing part 23. The ends of the fixing part 23 and the control panel 7 are disposed in the mounting seat 32. The stop plate 33 locates and fixes the light-emitting panel 2 and the control panel 7 by means of the through hole, and the stop slot 331 is clamped at the protrusion extending at the outer side of the fixing part 23 . A display surface formed by light emitters 21 is accommodated in the bulb shell 6, and the bulb shell 6 is screwed to the mounting seat 32 . A schematic overall structural diagram of the bulb of this embodiment is shown in FIG. 14. The light-emitting part 22 of this embodiment includes a plurality of light emitters 21 having a rectangular granular shape, and the light emitters 21 are arranged in an inclined manner, and form the display surface; therefore, the bulb of this embodiment has a more vivid real flame burning effect when being lighted up. The outer structure of the mounting seat 32 is configured as a standard port suitable for an existing home lighting connector such as E27. The power supply assembly 8 is located in the mounting seat 32, and converts the alternating current into direct current suitable for LED chips, and in other embodiments, the power supply assembly may be integrated on the control panel, so as to form a control PCB board.
Embodiment 7:
On the basis of Embodiment 2, this embodiment provides another bulb having a standard connector. As shown in FIG. 15, the bulb of this embodiment includes a bulb shell 6, a light-emitting panel 2, a control panel 7, and a base (bulb holder) 3. The light-emitting panel 2 of this embodiment includes a PCB substrate and a plurality of light emitters 21. The PCB substrate includes a light-emitting part 22 and a fixing part 23. In this embodiment, the fixing part 23 and the control panel 7 are connected together, and the light-emitting panel 2 and the control panel 7 are integrally formed. The bulb shell 6 of this embodiment is conical, and in other embodiments, according to requirements, the bulb shell 6 may have other shapes. The base 3 of this embodiment is slightly changed as compared with the base 3 in Embodiment 2.
In this embodiment, the base (bulb holder) 3 includes a fastening block 34 and an accommodation cup 35. The mounting seat 32 has internal threads therein, and the accommodation cup 35 has corresponding external threads on the outer side wall at the bottom. The fastening block 34 has a channel 341 matching with the light-emitting panel 2 and the control panel 7. The accommodation cup 35 is screwed to the mounting seat 32, and the fastening block 34 is accommodated in the accommodation cup 35. The fastening block 34 integrally locates the fixing part 23 and the control panel 7 by means of the channel 341, and the fixing part 23 and the control panel 7 are partially located in the accommodation cup 35. The bulb shell 6 accommodates the light-emitting part 22, and an opening end of the bulb shell 6 is connected to an upper end of the accommodation cup 35. A schematic overall structural diagram of the bulb of this embodiment is shown in FIG. 16. The light-emitting part 22 of this embodiment includes a plurality of light emitters 21 having a rectangular granular shape, and the light emitters 21 are arranged in an inclined manner, and form the display surface; therefore, the bulb of this embodiment has a more vivid real flame burning effect when being lighted up. Similarly, the outer structure of the mounting seat 32 is configured as a standard port suitable for an existing home lighting connector such as E14 and MR16. The power supply assembly 8 is located in the mounting seat, and converts the alternating current into direct current suitable for LED chips, and in other embodiments, the power supply assembly may be integrated on the control panel, so as to form a control PCB board.
Embodiment 8:
On the basis of Embodiment 1, this embodiment provides another bulb having a standard connector. As shown in FIG. 17 and FIG. 18, the bulb of this embodiment includes a bulb shell 6, a light-emitting panel 2, a control panel 7, a power supply control panel 9, and a base (bulb holder) 3. The light-emitting panel 2 of this embodiment includes a PCB substrate and a plurality of light emitters 21. The PCB substrate includes a light-emitting part 22 and a fixing part 23. Different from Embodiment 6 and Embodiment 7, the fixing part 23 of this embodiment has an arrow shape, and the power supply control panel 9 has a protrusion extending outwards, and has a cross-shaped structure as a whole. The power supply assembly 8 and the power supply control panel 9 are connected together. The bulb shell 6 is conical, and in other embodiments, according to requirements, the bulb shell 6 may have other shapes. The fixing part 23 and the power supply control panel 9 are mounted on the control panel 7, where the fixing part 23 and the power supply control panel 9 may be connected to the control panel 7 in a movable mounting manner or in a fixed mounting manner. For example, the fixing part 23 and the power supply control panel 9 are welded on the control panel 7, or the control panel 7 has a fixing part port and a power supply control panel port disposed thereon, the fixing part 23 is mounted on the control panel 7 in a plugging manner by means of the fixing part port, and the power supply control panel 9 is mounted on the control panel 7 in a plugging manner by means of the power supply control panel port. The light-emitting part 22 is located above the control panel 7, and the power supply control panel 9 is located below the control panel 7. The base 3 of this embodiment is slightly changed as compared with the base 3 in Embodiment 2.
In this embodiment, the base 3 includes a fixing frame 36. The bulb shell 6 has external threads at the end, and the mounting seat 32 has corresponding internal threads therein. The fixing frame 36 is screwed to the mounting seat 32, the power supply assembly 8, the power supply control panel 9, the fixing part 23 and the control panel 7 are accommodated in the fixing frame 36, the light-emitting part 22 is accommodated in the bulb shell 6, and the bulb shell 6 is screwed to the fixing frame 36. A schematic overall structural diagram of the bulb of this embodiment is shown in FIG. 19. The light-emitting part 22 of this embodiment has a plurality of light emitters 21 having a rectangular granular shape disposed thereon, and the light emitters 21 are arranged in an inclined manner, and form the display surface; furthermore, the light-emitting part 22 of this embodiment has a flame-like shape, and the light emitters 21 at the top end of the light-emitting part 22 are arranged into a flame shape; therefore the bulb of this embodiment has a more vivid real flame burning effect when being lighted up. Similarly, the outer structure of the mounting seat 32 is configured as a standard port suitable for an existing home lighting connector such as E14 and MR16. The power supply assembly converts the alternating current into direct current suitable for LED chips.
The power supply assembly 8 of this embodiment is specifically a resistance-capacitance power supply, and the working principle is: by means of resistance-capacitance step-down, 120 V to 250 V alternating current is converted into 5 V direct current, the 5 V direct current is supplied to the control panel 7 and the light-emitting panel 2, and the control panel 7 controls the LED matrix according to the program to simulate candle flame changes.
Embodiment 9:
Referring to FIG. 20 and FIG. 21, on the basis of Embodiment 1, in this embodiment, an LED diode 25 is added on the light-emitting panel 2 . The LED diode 25 is mounted at the end of the PCB substrate, that is, at the end of the fixing part of the light-emitting panel 2. The light-emitting panel 2 and the control panel 7 are electrically connected by means of a flexible circuit board 10. In an electronic candle, the LED diode 25 is accommodated in the base 3, and in working state, the LED diode 25 is lighted up, light emitted by the LED diode 25 transmits the translucent material of the base 3 to generate soft light, and in combination with the dynamic burning effect simulating real flame generated by the display surface protruding from the top of the base 3, a better ornamental value of the product is achieved.
In other embodiments, the lighting device provided by the present invention may further include a sensor, and in the presence of wind or airflow, the sensor obtains a wind signal or an airflow signal, and the control panel 7 converts the wind signal or airflow signal detected by the sensor into an electric signal, so as to drive the LED chips to be lighted up and flicker or to be lighted up constantly, so that a flicker flame blew by wind or airflow is formed on the LED display surface in the presence of wind or airflow, thus achieving a dynamic burning effect. In the absence of wind or airflow, the LED display surface is lighted up constantly without flickering, so that the lighting device of the present invention is close to the real candle burning state.
In addition to home lighting, in other embodiments, the lighting device of the present invention can also be used in lanterns, wishing lights, torches, fireplaces, outdoor lighting and wall lighting for enjoyment and other products. When being used in home lighting bulb products, the LED display surface can form a dynamic flame burning effect, or all or a part of the LEDs are lighted up constantly, so as to achieve the lighting effect. According to special requirements, the LED display surface may further adopt colorful LEDs, so that the lighting device of the present invention flickers with different colors, such as a colored lamp in wall lighting products .
The above contents are further detailed descriptions of the present invention in combination with specific embodiments, and it should not be construed that the specific implementation of the present invention is merely limited to theses descriptions. For those of ordinary skill in the art, some simple deductions or replacements can be made without departing from the concept of the present invention.

Claims (14)

  1. A lighting device for simulating a truly luminous flame, comprising a light emitting panel (2), a control panel (7) and a base (3), wherein the light emitting panel (2) is electrically connected to the control panel (7); the light emitting panel (2) comprises a PCB substrate and a plurality of light emitters (21), and the plurality of light emitters (21) are arranged on a surface of the PCB substrate to form a display surface; the control panel (7) is mounted on the base (3); the light emitting panel (2) is firmly connected to the control panel (7) so as to be placed on the base (3) or the light emitting panel (2) is mounted on the base (3); and the display surface protrudes from the top of the base (3); and, during operation, the control panel (7) controls ignition of part of the light emitters (21) and / or switching off part of the light emitters (21) so as to create a dynamic burning flame effect on the display surface; characterized in that the PCB substrate comprises a light-emitting portion (22) and a fastening portion (23), wherein the fastening portion (23) has a protrusion extending outwardly, the light-emitting portion (22) has a flame-like shape, and the display surface is located on both sides of the light emitting portion (22); and in that the lighting device further comprises a battery holder and a lifting mechanism (4); wherein the base (3) comprises a mounting seat (32), the battery holder is disposed in the mounting seat (32) and is electrically connected to the control panel (7); the mounting seat (32) has a through hole opened at the top; during operation, the display surface protrudes from the top of the mounting seat (32) through the through hole; and the lifting mechanism (4) is mounted in the mounting seat (32) and a movement output end thereof is connected to the fastening part (23) and drives the light emitting part (22) to be hidden in the mounting seat (32) or to protrude from the top of the mounting seat (32).
  2. The lighting device of claim 1, wherein the light emitters (21) are light-emitting diode (LED) chips and the light emitters (21) have a rectangular granular shape and are arranged on both sides of the PCB substrate.
  3. The lighting device of claim 2, wherein the light emitters (21) are evenly arranged on both sides of the PCB substrate in an inclined manner.
  4. Lighting device according to any one of claims 1 to 3, wherein the light emitting panel (2) further comprises a connection port (24) disposed on a surface of the fastening part (23) and the light emitting panel (2) is electric connected to the control panel (7) through the connecting port (24).
  5. A lighting device according to any one of claims 1 to 3, wherein the light emitting panel (2) further comprises an LED (25) mounted on the fastening part (23).
  6. The lighting device of any one of claims 1 to 5, wherein the light emitting panel (2) further comprises a transparent or translucent coating layer covering the surface of the light emitters (21).
  7. A lighting device according to any one of claims 1 to 5, further comprising a power supply unit (8) and a power supply control panel (9), wherein the power supply unit (8) and the power supply control panel (9) are connected to each other; the control panel (7) is located across the base (3); and the attachment portion (23) and the power supply control panel (9) are mounted on the control panel (7), the light emitting portion (22) is mounted on top of the control panel (7), and the power supply control panel (9) is disposed below the control panel (7).
  8. Lighting device according to any one of claims 1 to 3, wherein the light-emitting panel (2) and the control panel (7) are connected to each other and share the PCB substrate, and the light-emitting panel (2) and the control panel (7) are designed as a unit.
  9. A lighting device according to any one of claims 1 to 6, further comprising a flame shell (5) simulating a burning flame shape, the display surface being covered in the flame shell (5).
  10. The lighting device of claim 7 or 8, further comprising a bulb shell (6); the bulb shell (6) being connected to the base (3) and covering the display surface.
  11. A lighting device according to any one of claims 1 to 3, wherein the lifting mechanism (4) comprises a lifting table (41), a gearbox (42) and a driving device (43); the drive device (43) drives the gearbox (42), the gearbox (42) drives the lifting table (41), and the lifting table (41) drives the light emitting panel (2) to move up or down.
  12. The lighting device of claim 10, wherein the base (3) further comprises a stop plate (33); and the stop plate (33) has a through hole that matches the cross-section of the fastener (23), the fastener (23) is arranged in the mounting seat (32), the stop plate (33) secures the fastener (23) by the through hole, the light emitting part (22) is received in the bulb shell (6) and the bulb shell (6) is screwed to the mounting seat (32).
  13. The lighting device of claim 10, wherein the base (3) further comprises a fastening block (34) and a receiving bowl (35); wherein the securing block (34) has a channel (341) that matches the cross-section of the securing member (23); and the receiving bowl (35) is screwed into the mounting seat (32), the fastening block (34) is received in the receiving bowl (35), the fastening portion (23) is secured to the fastening pad (34) by the channel (341), the light emitting portion (22). is received in the bulb shell (6) and an opening in the bulb shell (6) is connected to the upper end of the receiving bowl (35).
  14. The lighting device of claim 10, wherein the base (3) further comprises a fastening frame (36); and the fastening frame (36) is screwed to the mounting seat (32), the power supply part (8), the power supply control panel (9), the fastening part (23) and the control panel (7) are received in the fastening frame (36), the light emitting part (22) is received in the bulb shell (6) and the bulb shell (6) is screwed to the fastening frame (36).
DKPA201500083A 2014-06-24 2015-02-12 Lighting Device Simulating Real Flame Illumination DK178932B1 (en)

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CN (5) CN204268354U (en)
DE (2) DE202014105614U1 (en)
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CN104266136B (en) 2016-06-15
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GB201502038D0 (en) 2015-03-25
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DE102014117070B4 (en) 2018-05-30
GB2527626B (en) 2017-02-01
CN204100118U (en) 2015-01-14
GB2527626A (en) 2015-12-30
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CN204268354U (en) 2015-04-15
JP2016009681A (en) 2016-01-18
CN104279497A (en) 2015-01-14
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JP5960790B2 (en) 2016-08-02

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