US20190293251A1 - Electronic lighting device and method for manufacturing same - Google Patents
Electronic lighting device and method for manufacturing same Download PDFInfo
- Publication number
- US20190293251A1 US20190293251A1 US16/442,211 US201916442211A US2019293251A1 US 20190293251 A1 US20190293251 A1 US 20190293251A1 US 201916442211 A US201916442211 A US 201916442211A US 2019293251 A1 US2019293251 A1 US 2019293251A1
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- enclosure
- light
- sheet
- flame
- emitting element
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S10/00—Lighting devices or systems producing a varying lighting effect
- F21S10/04—Lighting devices or systems producing a varying lighting effect simulating flames
- F21S10/046—Lighting devices or systems producing a varying lighting effect simulating flames by movement of parts, e.g. by movement of reflectors or light sources
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-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
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S10/00—Lighting devices or systems producing a varying lighting effect
- F21S10/04—Lighting devices or systems producing a varying lighting effect simulating flames
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S10/00—Lighting devices or systems producing a varying lighting effect
- F21S10/04—Lighting devices or systems producing a varying lighting effect simulating flames
- F21S10/043—Lighting devices or systems producing a varying lighting effect simulating flames by selectively switching fixed light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S6/00—Lighting devices intended to be free-standing
- F21S6/001—Lighting devices intended to be free-standing being candle-shaped
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement 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
- F21V23/007—Arrangement 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 enclosed in a casing
- F21V23/009—Arrangement 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 enclosed in a casing the casing being inside the housing of the lighting device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0407—Arrangement of electric circuit elements in or on lighting devices the elements being switches for flashing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0004—Personal or domestic articles
- F21V33/0024—Household or table equipment
- F21V33/0028—Decorative household equipment, e.g. plant holders or food dummies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/064—Circuit arrangements for actuating electromagnets
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- H05B33/0815—
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- H05B33/0845—
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- H05B33/0857—
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- H05B37/0281—
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/38—Switched mode power supply [SMPS] using boost topology
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/155—Coordinated control of two or more light sources
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/16—Controlling the light source by timing means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2121/00—Use or application of lighting devices or systems for decorative purposes, not provided for in codes F21W2102/00 – F21W2107/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING 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
- F21Y2101/00—Point-like light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING 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
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
-
- Y02B20/42—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S362/00—Illumination
- Y10S362/806—Ornamental or decorative
- Y10S362/81—Imitation candle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
Definitions
- the present application relates to an electronic lighting device.
- candles, kerosene lamps and so on are originally used as lamps for illumination.
- people are no longer concerned about the illumination function of candles and kerosene lamps as electrical light sources are used commonly.
- the candles and kerosene lamps are thus used for interestedness or appreciation rather than illumination.
- various electronic lighting devices such as electronic flashing candles, electronic candles, simulated candles and simulated kerosene lamps and the like, emerge as required. Lighting parts of such electronic lighting devices try to simulate lighting patterns of candles or kerosene lamps, namely, to simulate flashing and flickering flames of candles or kerosene lamps.
- the lighting parts of the electronic lighting devices are quite different and have not enough realistic visual effect.
- a type of electronic candle is disclosed in a Chinese application No. 200520035772.5, titled “Electronic Simulated Flashing Candle”.
- the electronic candle comprises a flame shell shaped as true flames, LED elements disposed in the flame shell, and a control circuit.
- the control circuit controls lighting sequences of the LED elements such that the LED elements flash on and off.
- a visual experience of winkling and jumping light is given by the electronic candle and thus the interestedness or appreciation of the electronic candle is enhanced.
- An objective of the present application is to provide an electronic lighting device for simulating true fire and a method for manufacturing the same to simulate true fire with an enhanced visual experience.
- an electronic lighting device comprising a core.
- the core may comprise: an enclosure provided with a through hole on a top thereof; a flame sheet movably supported or suspended on the enclosure, wherein the flame sheet comprises an upper sheet which is of a flame-like shape, and the upper sheet is configured to expose above the top of the enclosure through the through hole of the enclosure; a light-emitting element installed on a sidewall of the enclosure such that an outgoing direction of a light from the light-emitting element is inclined upward and passing through the through hole of the enclosure, wherein the outgoing direction is intersected with a surface of the upper sheet, so that the light from the light-emitting element is projected on the surface of the upper sheet; and a swing mechanism disposed beneath the flame sheet, wherein the swing mechanism is configured to apply a force on the flame sheet to actuate the flame sheet to sway or swing.
- a method for manufacturing an electronic lighting device may comprises: suspending a flame sheet on an enclosure, wherein the flame sheet comprises a upper sheet which is of a flame-like shape and exposed above a top of the enclosure; installing a light-emitting element on a sidewall of the enclosure such that an outgoing direction of a light from the light-emitting element is inclined upward and passing through a through hole of the enclosure to be intersected with a surface of the upper sheet, so that the light from the light-emitting element is projected on the surface of the upper sheet; and disposing a swing mechanism beneath the flame sheet, wherein the swing mechanism is configured to apply a force on the flame sheet to actuate the flame sheet to sway or swing.
- the flame sheet may sway or swing under the action of its own gravity and the swing mechanism.
- the light given off by the light-emitting element is projected on the flame sheet and looks like a true flickering flame so that the flame simulated by the lighting device is closer to the wick flame of the traditional lighting device such as a candle, a kerosene lamp and the like.
- the device according to the present application is applied to electronic products, such as electronic candles or simulated kerosene lamps and the like, it further improves the visual experience of the electronic products and provides the electronic products with enhanced interestedness and appreciation.
- the flame sheet since the swing mechanism in the device of the present application uses a magnetic mechanism, the flame sheet maintains to sway randomly or disorderly in use, so that the light projected on the flame sheet keeps flickering and looks like a true flame.
- the light given off by the light-emitting element has an emission angle within a specific range, so that the light is assured to be projected on the flame sheet, and thus the visual effect of simulating true fire is assured.
- the shell is simulated in to a traditional candle in shape, so that the device of the present application is closer to the traditional candle in visual effect.
- FIG. 1 is a schematic view showing an appearance of an electronic candle according to a first embodiment of the present application
- FIG. 2 is a cross-sectional view showing a structure of the electronic candle according to the first embodiment of the present application
- FIG. 3 is an exposed view schematically showing the structure of the electronic candle according to the first embodiment of the present application
- FIG. 4 is a schematic view showing a structure of a core of the electronic candle according to the first embodiment of the present application
- FIG. 5 is an exposed view schematically showing the structure of the core of the electronic candle according to the first embodiment of the present application
- FIG. 6 is a schematic view showing a structure of a flame sheet of the electronic candle according to the first embodiment of the present application.
- FIG. 7 is a schematic diagram showing a circuit part of the electronic candle according to the first embodiment of the present application.
- FIG. 8 is a cross-sectional view showing a structure of an electronic candle according to a second embodiment of the present application.
- FIG. 9 is an exposed view schematically showing a structure of a core of an electronic candle according to a third embodiment of the present application.
- FIG. 10 is a schematic diagram of a circuit part of the electronic candle according to the third embodiment of the present application.
- FIG. 11 is an exposed view schematically showing a structure of a core of an electronic candle according to a fourth embodiment of the present application.
- FIG. 12 is an exposed view schematically showing a structure of a core of an electronic candle according to a fifth embodiment of the present application.
- FIG. 13 is an exposed view schematically showing a structure of a core of an electronic candle according to a sixth embodiment of the present application.
- FIG. 1 is a schematic view showing the appearance of the electronic candle according to the first embodiment.
- the electronic candle which is shaped as a true candle, comprises: a shell 1 , a casing 2 sleeved within the shell 1 , a core 3 and a base 4 installed within the casing 2 .
- the casing 2 is provided with a through hole at the top-center.
- a flame sheet is arranged in the through hole. A portion of the flame sheet which protrudes outsides through the through hole is shaped as a flame of a burning candle.
- the light emitted from a light-emitting element which is disposed on the core 3 is projected, at an angle, onto the portion of the flame sheet which protrudes outsides through the through hole. Further, the flame sheet may sway freely under the action of natural winds or a swing mechanism arranged within the core 3 . In this way, the flame simulated by the electronic candle, when viewed from a distance, flickers like that of a true candle, as if it is a perfectly realistic flame, and thus can be scarcely distinguished from the true one.
- the core 3 comprises an enclosure, a flame sheet 31 , a LED light 33 and a swing mechanism.
- the enclosure comprises left and right caps 38 and 38 ′ having symmetrical shapes with each other.
- a cylindrical cavity is formed when the left and right caps 38 and 38 ′ are arranged to engage with each other.
- Each of the left and right caps 38 and 38 ′ has a semicircular notch on the top, such that a circular opening 380 is formed on the top of the cavity by the semicircular notches when the left and right caps 38 and 38 ′ are arranged to engage with each other.
- the left and right caps 38 and 38 ′ have respective left and right notches 381 and 381 ′ on the upper portions of their sidewalls.
- the left and right notches 381 and 381 ′ are concaved inwardly and inclined at a certain angle with respect to the sidewalls in such a way that an installation location for the LED light, which inclines toward and communicates with the opening 380 , is formed by the left and right notches 381 and 381 ′ when the left and right caps 38 and 38 ′ are arranged to engage with each other.
- the LED light 33 is then installed at this installation location such that an angle between a longitudinal central axis of the LED light 33 and that of the cavity is about 35 degree.
- the LED light 33 may be a LED element emitting concentrated light with a relatively narrow emission angle (7-10 degree).
- the flame sheet 31 is of sheet type, and provided with a through hole 310 at the middle part.
- the flame sheet 31 is divided, by the through hole 310 , into a upper sheet 311 shaped as a flame of a burning candle and a lower sheet 312 .
- the lower sheet 312 has a counterweight slightly heavier than that of the upper sheet 311 , so that the flame sheet 31 is vertically suspended in a free state (under the action of its own gravity without any external force).
- a supporting rod 32 passes through the through hole 310 and spans across the opening 380 of the core's cavity.
- the supporting rod 32 is V-shaped and depressed slightly at the middle so that the flame sheet 31 is suspended steadily at the lowest point of the supporting rod 32 since the lower sheet 312 has a counterweight slightly heavier than that of the upper sheet 311 . It is easier for the flame sheet suspended vertically in a free state (under the action of its own gravity without any external force) to sway randomly under the action of an external force. In this way, the supporting rod 32 spanning across the opening 380 of the core's cavity may enable the flame sheet 31 to sway randomly under the action of an external force, such as natural winds.
- the supporting rod 32 may maintain a relatively fixed position relationship between the upper sheet 311 of the flame sheet 31 and the light outgoing direction of the LED light 33 such that the light from the LED light 33 can be projected onto the surface of the upper sheet 311 of the flame sheet 31 .
- the flame sheet 31 is manufactured by a semitransparent material, a portion of the light can emerge from the back of the flame sheet 31 when the light is projected onto the flame sheet 31 .
- a wire is embedded in the flame sheet 31 at the bottom of the upper sheet 311 to simulate a candlewick.
- the wire is irradiated by the light of the LED light 33 projected on the upper sheet 311 , as if there is a candlewick within a flame, such that the flame sheet 31 is more like the flame of a true burning candle in visual effect.
- the supporting rod 32 is irradiated by the LED light 33 , a shadow of the supporting rod 32 is formed on the surface of the upper sheet of the flame sheet 31 and may also look like the candlewick.
- the tubular shell 1 is manufactured by a transparent or semitransparent material, such as PVC.
- the shell 1 comprises a tubular sidewall and a diaphragm plate 10 intersected with the tubular sidewall.
- a through hole is provided at the middle of the diaphragm plate 10 , from which the upper sheet 311 of the flame sheet 31 protrudes outsides.
- a portion of the shell's sidewall above the diaphragm plate 10 is formed to have an irregular end face.
- the sidewall may be lower in front and higher behind.
- the surfaces of the shell's sidewall and the diaphragm plate 10 are coated with candle wax, such that the electronic candle looks more like a true candle.
- the upper sheet 311 of the flame sheet 31 protrudes outsides through the through hole of the diaphragm plate 10 , with its front surface (the surface projected by the light) facing a lower point of the sidewall and its back surface obscured by a higher sidewall of the shell.
- a user is guided to dispose the electronic candle at a preferable angle to appreciate the “candle light”, that is to say, the electronic candle is viewed from the front surface of the upper sheet 311 of the flame sheet 31 and from the lower point of the sidewall. Accordingly, the effect for simulating a true candle by the electronic candle according to the first embodiment can be improved.
- the core is provided with a swing mechanism which maintains to act on the flame sheet directly or indirectly with a force such that the flame sheet maintains to sway or swing.
- the swing mechanism in the embodiment uses a magnetic mechanism comprising a set of magnets 39 , a linkage sheet 35 , a linkage rod 34 and a coil 37 .
- the set of magnets 39 comprises a first magnet, a second magnet and a third magnet.
- the linkage rod 34 is movably threaded through the linkage sheet 35 , and arranged to span across the core's cavity.
- the linkage rod 34 is V-shaped, and depressed slightly at the middle so that the linkage sheet 35 is positioned at the lowest point at the middle of the linkage rod 34 .
- the linkage sheet 35 may be suspended freely in the core's cavity without any external force.
- the second and third magnets are adhered to or embedded into the upper and lower ends of the linkage sheet 35 , respectively.
- the first magnet is adhered to or embedded into the lower end of the flame sheet 31 .
- a magnetic pole of the first magnet facing the second magnet has a polarity opposite or same to that of a magnetic pole of the second magnet at the upper end of the linkage sheet 35 facing the first magnet, that is to say, they may attract or repel each other.
- the coil 37 is fastened onto a PCB subboard through a snap ring 36 , and disposed beneath the lower end of the linkage sheet 35 so as to be opposite to the third magnet at the lower end of the linkage sheet 35 .
- the flame sheet 31 freely falls down under the action of its own gravity, and continues to sway in an opposite direction under an inertia potential energy until the coil 37 is powered on again. Then the inertial motion of the flame sheet 31 is changed by the magnetic force of the coil 37 via the linkage sheet 35 , and a next sway cycle begins.
- the base 4 comprises a battery tray 41 , a battery cover 42 , a PCB mainboard 43 and pieces of battery shrapnel 44 .
- the pieces of battery shrapnel 44 are installed on the battery tray 41 to form a battery chamber for accommodating batteries 45 .
- the PCB mainboard 43 is installed on the battery tray 41 and arranged at one side of the battery chamber.
- the control circuit and a power switch are arranged on the PCB mainboard 43 .
- the PCB mainboard 43 is electrically connected, via wires, with the LED light 33 , the PCB subboard installed with the coil 37 , and the pieces of batter shrapnel.
- the battery cover 42 is arranged at the bottom of the battery tray 41 and can be removed to enable the displacement of the batteries in the battery chamber.
- the core 3 is installed on the base 4 , wherein the PCB subboard installed with the coil 37 is electrically connected with the PCB mainboard 43 .
- the circumference of the battery stray 41 and the bottom of the casing 2 may be snapped together, or may be threaded with each other through a bolt.
- the casing 2 is a hollow cylinder, the external diameter of which is equal to or slightly larger than the internal diameter of the shell 1 so as to be tightly fitted into the shell 1 .
- the casing 2 is provided with a through hole on the top, which is used for mating with the core 3 .
- FIG. 7 is a circuit schematic diagram of the embodiment. The operation principle of the electronic candle according to the embodiment is illustrated below with reference to FIG. 7 .
- the energy provided by the batteries is transferred, via a switch SW 1 , to an input pin of a boost converter U 1 , then into a boost circuit consisting of components such as a fifth capacitor C 5 , a second inductor L 2 , the boost converter U 1 , a third capacitor C 3 and an eighth resistor R 8 .
- a stable voltage of 3.3V is then output from a fifth pin of the boost converter U 1 to be supplied to a microprocessor U 2 , a LED light LED 1 (expressed as the LED light 33 in the structure described above, using a warm white light similar to true fire in color) and a coil L 1 .
- the microprocessor U 2 starts to work upon receiving a 3.3-volt voltage.
- the microprocessor U 2 controls an eighth pin (PWM/PCO) to output a square wave pulse of 40 ms on and 630 off.
- PWM/PCO eighth pin
- a MOS transistor Q 1 and the coil L 1 are controlled through the square wave pulse to oscillate so as to produce a magnetic field.
- the coil repels the magnet.
- the linkage 35 drives the flame sheet 31 to sway toward right or left since the linkage sheet 35 and the flame sheet 31 are arranged to be a distance from each other.
- the microprocessor U 2 controls a third pin (PB 3 ) to output a high level so as to supply about a 0.6-volt voltage to the base of a triode Q 2 via a resistor R 10 .
- the triode Q 2 is turned on, the LED light LED 1 is lighted. Then the light is projected onto the flame sheet at an angle of 35 degree. Under the action of the coil, the flame sheet, as viewed from a distance, is very similar to that of a burning candle. The optimum viewing distance is farther than 1 m from the electronic candle, the viewing angle being smaller than 120 degree.
- the work of circuit in the case where the switch is switched such that the circuit is controlled by a timer and a first pin (PA 3 ) of the microprocessor U 2 is at a low level is illustrated below.
- the microprocessor U 2 controls the eighth pin (PWM/PCO) to output a square wave pulse of 40 ins on and 630 ins off after halting for 500 ms.
- the MOS transistor Q 1 and the coil are controlled through the square wave pulse to oscillate so as to produce a magnetic field.
- the coil repels the magnet.
- the linkage sheet 35 drives the flame sheet 31 to sway toward right or left since the linkage sheet 35 and the flame sheet 31 are arranged to be a distance from each other.
- the microprocessor U 2 controls the third pin PB 3 to output a high level after halting for 500 ins (that is to say, the LED light LED 1 blinks for once) so as to apply about a 0.6-volt voltage to the base of the triode Q 2 via the tenth resistor R 10 .
- an oscillation circuit which consists of a crystal oscillator X 1 , a first capacitor C 1 and a second capacitor C 2 , provides standard clock information to the microprocessor U 2 .
- the timer of the microprocessor U 2 starts timing upon the LED light LED 1 blinks.
- the microprocessor U 2 will controls the eighth pin (PWM/PCO) and the third pin (PB 3 ) to output a low level, so that the flame sheet stops swaying and the LED light LED 1 goes out.
- the LED light will go out no matter that the switch is switched such that the circuit is powered by the power source part or controlled by a timer. Meanwhile, the flame sheet stops swaying, and the control circuit goes to a sleep state. The circuit restores to work until the batteries are replaced with new ones.
- the boost converter U 1 and the microprocessor U 2 stop working since they are not powered by the batteries. As a result, the LED light will go out, meanwhile, the flame sheet 31 stops swaying.
- the swing mechanism according to the first embodiment is simplified according to the second embodiment.
- the linkage sheet 35 and components attached thereto, such as the linkage sheet 34 and two magnets at both ends thereof, are omitted.
- the coil 37 is disposed adjacent to the lower end of the flame sheet 31 .
- the coil 37 and the flame sheet 31 repel each other so as to keep the flame sheet 31 swaying.
- the swing piece 302 In a natural state (under the action of gravity, without the action of any external force), the swing piece 302 is, depending on its own gravity, hanged to the hanging rope 301 and then the lower end of the swing piece 302 contacts with the rotary block 303 .
- the motor 305 When the motor 305 is actuated, the rotary block 303 collides with the swing piece 302 continually. As a result, the swing piece 302 sways continually, which makes the flame sheet 31 sway disorderly.
- FIG. 10 a circuit schematic diagram according to the embodiment is shown.
- the operation of the swing mechanism is performed through controlling the rotation of the motor M 1 with the eighth pin of the microprocessor U 2 .
- the swing mechanism in the core 3 according to the first embodiment is replaced with a swing mechanism described below.
- the swing mechanism according to the forth embodiment comprises a linkage rod 401 , a rotary block 402 , a motor fixed block 403 and a motor 404 .
- the middle part of the flame sheet 31 is provided with a slot, in which the upper end of the linkage rod 401 is stuck.
- the bottom end of the linkage rod 401 contacts with the outer wall of the rotary block 402 .
- the rotary block 402 has an irregular height, and is provide with a pan-like cavity at the middle part.
- the sidewall of the pan-like cavity is provided with a tab 4021 .
- the lower end of the flame sheet 31 is stretched into the pan-like cavity.
- the tab 4021 contacts with the lower end of the flame sheet 31 .
- the motor 404 is fixed within the enclosure of the core by the motor fixed block 403 .
- the rotary block 402 is fixedly connected to an output shaft of the motor 404 .
- the motor 404 is actuated and thus the rotary block 402 is forced to rotate, the outer wall of the rotary block 402 will continually collides with the bottom end of the linkage rod 401 .
- the tab 4021 will continually (or intermittently) collides with the lower end of the flame sheet 31 , which makes the flame sheet 31 sway or swing disorderly.
- the swing mechanism in the core 3 according to the first embodiment is replaced with a fan mechanism described below.
- a fan is fixed within the enclosure of the core at the bottom of the cavity of the core.
- the fan comprises a wind wheel 601 , a motor fixed block 602 and a motor 603 .
- the air outlet direction of the wind wheel 601 is upward.
- the lower end of the flame sheet 31 is folded at an angle so as to form a baffle 314 which has a surface facing the air outlet direction of wind wheel 601 .
- the surface of the baffle 314 of the flame sheet 31 is oriented to be upwind such that the flame sheet 31 continually sways under the action of the wind force,
- the electronic candle according to the seventh embodiment is the same as that of the first embodiment, except for the upper sheet of the flame sheet.
- the upper sheet according to the seventh embodiment is slightly curved, which is concaved from one side.
- Flanks 3110 are provided at both sides of the concaved portion.
- the flanks 3110 and the concaved portion together form a depression onto which the light of the light-emitting element is projected.
- a light spot is formed on the projected surface that is recessed with a certain depth rather than flat or curved. It seems that the depression is full of light.
- the flame sheet sways or swings disorderly, the light spot simulating a flame produces a stereovision effect.
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Abstract
An electronic lighting device and a method for manufacturing the same are disclosed. The electronic lighting device may comprise a core, which may comprises an enclosure, a light-emitting element, a flame sheet and a swing mechanism. The flame sheet is movably supported or suspended on the enclosure, and may comprise an upper sheet which is of a flame-like shape. The upper sheet is configured to expose above the top of the enclosure. The light-emitting element may be installed on the enclosure. A light outgoing direction of the light-emitting element may be intersected with the surface of the upper sheet so that the light of the light-emitting element is projected on the surface of the upper sheet. The swing mechanism is disposed beneath the flame sheet and can apply a force on the flame sheet to actuate the flame sheet to sway or swing. By the present application, a visual experience of true fire can be achieved and an interestedness and appreciation can be improved.
Description
- The present application is a continuation of U.S. patent application Ser. No. 15/901,130, filed Feb. 21, 2018, which is a continuation of patent application Ser. No. 15/187,640, filed Jun. 20, 2016, which was a continuation of Ser. No. 14/927,213, filed Oct. 29, 2015; which was a continuation in part of Ser. No. 14/588,507, filed Jan. 2, 2015, which was a continuation of Ser. No. 14/161,143, filed Jan. 22, 2014, which was a continuation of Ser. No. 13/325,754, filed Dec. 14, 2011 which is a continuation-in-part of International PCT Patent Application No. PCT/CN2011/076449, filed Jun. 27, 2011, which claims priority to Chinese Patent Application No. 201010211402.8, filed Jun. 28, 2010, each of which is hereby incorporated by reference in its entirety.
- The present application relates to an electronic lighting device.
- In our daily life, various electronic lighting devices are widely applied to toys, home decoration products and gifts. For instance, candles, kerosene lamps and so on are originally used as lamps for illumination. However, people are no longer concerned about the illumination function of candles and kerosene lamps as electrical light sources are used commonly. The candles and kerosene lamps are thus used for interestedness or appreciation rather than illumination. Recently, various electronic lighting devices, such as electronic flashing candles, electronic candles, simulated candles and simulated kerosene lamps and the like, emerge as required. Lighting parts of such electronic lighting devices try to simulate lighting patterns of candles or kerosene lamps, namely, to simulate flashing and flickering flames of candles or kerosene lamps. However, compared with the flames of candles or kerosene lamps, the lighting parts of the electronic lighting devices are quite different and have not enough realistic visual effect.
- For instance, a type of electronic candle is disclosed in a Chinese application No. 200520035772.5, titled “Electronic Simulated Flashing Candle”. The electronic candle comprises a flame shell shaped as true flames, LED elements disposed in the flame shell, and a control circuit. The control circuit controls lighting sequences of the LED elements such that the LED elements flash on and off. As a result, a visual experience of winkling and jumping light is given by the electronic candle and thus the interestedness or appreciation of the electronic candle is enhanced.
- An objective of the present application is to provide an electronic lighting device for simulating true fire and a method for manufacturing the same to simulate true fire with an enhanced visual experience.
- According to an aspect of the present application, an electronic lighting device comprising a core is provided. The core may comprise: an enclosure provided with a through hole on a top thereof; a flame sheet movably supported or suspended on the enclosure, wherein the flame sheet comprises an upper sheet which is of a flame-like shape, and the upper sheet is configured to expose above the top of the enclosure through the through hole of the enclosure; a light-emitting element installed on a sidewall of the enclosure such that an outgoing direction of a light from the light-emitting element is inclined upward and passing through the through hole of the enclosure, wherein the outgoing direction is intersected with a surface of the upper sheet, so that the light from the light-emitting element is projected on the surface of the upper sheet; and a swing mechanism disposed beneath the flame sheet, wherein the swing mechanism is configured to apply a force on the flame sheet to actuate the flame sheet to sway or swing.
- According to another aspect of the present application, a method for manufacturing an electronic lighting device is provided. The method may comprises: suspending a flame sheet on an enclosure, wherein the flame sheet comprises a upper sheet which is of a flame-like shape and exposed above a top of the enclosure; installing a light-emitting element on a sidewall of the enclosure such that an outgoing direction of a light from the light-emitting element is inclined upward and passing through a through hole of the enclosure to be intersected with a surface of the upper sheet, so that the light from the light-emitting element is projected on the surface of the upper sheet; and disposing a swing mechanism beneath the flame sheet, wherein the swing mechanism is configured to apply a force on the flame sheet to actuate the flame sheet to sway or swing.
- In the present application, by the cooperation of the flame sheet with the light projected thereon, the flame sheet may sway or swing under the action of its own gravity and the swing mechanism. The light given off by the light-emitting element is projected on the flame sheet and looks like a true flickering flame so that the flame simulated by the lighting device is closer to the wick flame of the traditional lighting device such as a candle, a kerosene lamp and the like. In the case where the device according to the present application is applied to electronic products, such as electronic candles or simulated kerosene lamps and the like, it further improves the visual experience of the electronic products and provides the electronic products with enhanced interestedness and appreciation.
- In some embodiments, since the swing mechanism in the device of the present application uses a magnetic mechanism, the flame sheet maintains to sway randomly or disorderly in use, so that the light projected on the flame sheet keeps flickering and looks like a true flame.
- In some embodiments, in the device of the present application, the light given off by the light-emitting element has an emission angle within a specific range, so that the light is assured to be projected on the flame sheet, and thus the visual effect of simulating true fire is assured.
- In some embodiments, the shell is simulated in to a traditional candle in shape, so that the device of the present application is closer to the traditional candle in visual effect.
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FIG. 1 is a schematic view showing an appearance of an electronic candle according to a first embodiment of the present application; -
FIG. 2 is a cross-sectional view showing a structure of the electronic candle according to the first embodiment of the present application; -
FIG. 3 is an exposed view schematically showing the structure of the electronic candle according to the first embodiment of the present application; -
FIG. 4 is a schematic view showing a structure of a core of the electronic candle according to the first embodiment of the present application; -
FIG. 5 is an exposed view schematically showing the structure of the core of the electronic candle according to the first embodiment of the present application; -
FIG. 6 is a schematic view showing a structure of a flame sheet of the electronic candle according to the first embodiment of the present application; -
FIG. 7 is a schematic diagram showing a circuit part of the electronic candle according to the first embodiment of the present application; -
FIG. 8 is a cross-sectional view showing a structure of an electronic candle according to a second embodiment of the present application; -
FIG. 9 is an exposed view schematically showing a structure of a core of an electronic candle according to a third embodiment of the present application; -
FIG. 10 is a schematic diagram of a circuit part of the electronic candle according to the third embodiment of the present application; -
FIG. 11 is an exposed view schematically showing a structure of a core of an electronic candle according to a fourth embodiment of the present application; -
FIG. 12 is an exposed view schematically showing a structure of a core of an electronic candle according to a fifth embodiment of the present application; -
FIG. 13 is an exposed view schematically showing a structure of a core of an electronic candle according to a sixth embodiment of the present application; and -
FIG. 14 is a schematic view showing a structure of a flame sheet of the electronic candle according to the seventh embodiment of the present application. - Hereinafter, a detailed description of the present application will be given by specific embodiments and with reference to the appended drawings.
- In particular, the present application provides an electronic candle, with reference to
FIGS. 1 to 5 .FIG. 1 is a schematic view showing the appearance of the electronic candle according to the first embodiment. The electronic candle, which is shaped as a true candle, comprises: ashell 1, acasing 2 sleeved within theshell 1, acore 3 and abase 4 installed within thecasing 2. Thecasing 2 is provided with a through hole at the top-center. A flame sheet is arranged in the through hole. A portion of the flame sheet which protrudes outsides through the through hole is shaped as a flame of a burning candle. The light emitted from a light-emitting element which is disposed on thecore 3 is projected, at an angle, onto the portion of the flame sheet which protrudes outsides through the through hole. Further, the flame sheet may sway freely under the action of natural winds or a swing mechanism arranged within thecore 3. In this way, the flame simulated by the electronic candle, when viewed from a distance, flickers like that of a true candle, as if it is a perfectly realistic flame, and thus can be scarcely distinguished from the true one. - As shown in
FIGS. 2 to 5 , thecore 3 comprises an enclosure, aflame sheet 31, aLED light 33 and a swing mechanism. The enclosure comprises left andright caps right caps right caps circular opening 380 is formed on the top of the cavity by the semicircular notches when the left andright caps right caps right notches right notches opening 380, is formed by the left andright notches right caps LED light 33 is then installed at this installation location such that an angle between a longitudinal central axis of theLED light 33 and that of the cavity is about 35 degree. Moreover, theLED light 33 may be a LED element emitting concentrated light with a relatively narrow emission angle (7-10 degree). Further, combined with an appropriate area of anupper sheet 311 of theflame sheet 31, it can be assured that light emitted from theLED light 33 is maintained to be projected onto the surface of theflame sheet 31. As a result, light beams are increased in brightness and form an elliptical light spot on the surface of theflame sheet 31, so that theflame sheet 31 looks more like a flame of a true candle in shape. - With reference to
FIG. 6 , theflame sheet 31 is of sheet type, and provided with a throughhole 310 at the middle part. Theflame sheet 31 is divided, by the throughhole 310, into aupper sheet 311 shaped as a flame of a burning candle and alower sheet 312. Thelower sheet 312 has a counterweight slightly heavier than that of theupper sheet 311, so that theflame sheet 31 is vertically suspended in a free state (under the action of its own gravity without any external force). A supportingrod 32 passes through the throughhole 310 and spans across theopening 380 of the core's cavity. The supportingrod 32 is V-shaped and depressed slightly at the middle so that theflame sheet 31 is suspended steadily at the lowest point of the supportingrod 32 since thelower sheet 312 has a counterweight slightly heavier than that of theupper sheet 311. It is easier for the flame sheet suspended vertically in a free state (under the action of its own gravity without any external force) to sway randomly under the action of an external force. In this way, the supportingrod 32 spanning across theopening 380 of the core's cavity may enable theflame sheet 31 to sway randomly under the action of an external force, such as natural winds. However, the supportingrod 32 may maintain a relatively fixed position relationship between theupper sheet 311 of theflame sheet 31 and the light outgoing direction of theLED light 33 such that the light from theLED light 33 can be projected onto the surface of theupper sheet 311 of theflame sheet 31. Since theflame sheet 31 is manufactured by a semitransparent material, a portion of the light can emerge from the back of theflame sheet 31 when the light is projected onto theflame sheet 31. In order to improve the effect of simulating a true candle's flame, a wire is embedded in theflame sheet 31 at the bottom of theupper sheet 311 to simulate a candlewick. In the case where the wire is irradiated by the light of theLED light 33 projected on theupper sheet 311, as if there is a candlewick within a flame, such that theflame sheet 31 is more like the flame of a true burning candle in visual effect. In addition, since the supportingrod 32 is irradiated by theLED light 33, a shadow of the supportingrod 32 is formed on the surface of the upper sheet of theflame sheet 31 and may also look like the candlewick. - The
tubular shell 1 is manufactured by a transparent or semitransparent material, such as PVC. Theshell 1 comprises a tubular sidewall and adiaphragm plate 10 intersected with the tubular sidewall. A through hole is provided at the middle of thediaphragm plate 10, from which theupper sheet 311 of theflame sheet 31 protrudes outsides. In order to simulate irregular wax melting when a candle is burning, a portion of the shell's sidewall above thediaphragm plate 10 is formed to have an irregular end face. For example, the sidewall may be lower in front and higher behind. The surfaces of the shell's sidewall and thediaphragm plate 10 are coated with candle wax, such that the electronic candle looks more like a true candle. Theupper sheet 311 of theflame sheet 31 protrudes outsides through the through hole of thediaphragm plate 10, with its front surface (the surface projected by the light) facing a lower point of the sidewall and its back surface obscured by a higher sidewall of the shell. In this way, a user is guided to dispose the electronic candle at a preferable angle to appreciate the “candle light”, that is to say, the electronic candle is viewed from the front surface of theupper sheet 311 of theflame sheet 31 and from the lower point of the sidewall. Accordingly, the effect for simulating a true candle by the electronic candle according to the first embodiment can be improved. - In order to assure the effect of swaying of the flame sheet, the core is provided with a swing mechanism which maintains to act on the flame sheet directly or indirectly with a force such that the flame sheet maintains to sway or swing. As shown in
FIGS. 4 and 5 , the swing mechanism in the embodiment uses a magnetic mechanism comprising a set ofmagnets 39, alinkage sheet 35, alinkage rod 34 and acoil 37. The set ofmagnets 39 comprises a first magnet, a second magnet and a third magnet. Thelinkage rod 34 is movably threaded through thelinkage sheet 35, and arranged to span across the core's cavity. Thelinkage rod 34 is V-shaped, and depressed slightly at the middle so that thelinkage sheet 35 is positioned at the lowest point at the middle of thelinkage rod 34. Thelinkage sheet 35 may be suspended freely in the core's cavity without any external force. The second and third magnets are adhered to or embedded into the upper and lower ends of thelinkage sheet 35, respectively. The first magnet is adhered to or embedded into the lower end of theflame sheet 31. A magnetic pole of the first magnet facing the second magnet has a polarity opposite or same to that of a magnetic pole of the second magnet at the upper end of thelinkage sheet 35 facing the first magnet, that is to say, they may attract or repel each other. Thecoil 37 is fastened onto a PCB subboard through asnap ring 36, and disposed beneath the lower end of thelinkage sheet 35 so as to be opposite to the third magnet at the lower end of thelinkage sheet 35. - The operation principle on the swaying or swinging of the
flame sheet 31 is illustrated below. Firstly, an oscillation is output through a control circuit. When powered on, thecoil 37 then produces a magnetic field which is opposite to the polarity of the magnet pole of the third magnet at the lower end of thelinkage sheet 35 facing the coil so that thecoil 37 and the third magnet at the lower end of thelinkage sheet 35 repel each other. As a result, thelinkage sheet 35 sways toward one side. Moreover, since the second magnet at the upper end of thelinkage sheet 35 and the first magnet at the lower end of theflame sheet 31 attract or repel each other, theflame sheet 31 sways. When thecoil 37 is powered off, theflame sheet 31 freely falls down under the action of its own gravity, and continues to sway in an opposite direction under an inertia potential energy until thecoil 37 is powered on again. Then the inertial motion of theflame sheet 31 is changed by the magnetic force of thecoil 37 via thelinkage sheet 35, and a next sway cycle begins. - As shown in
FIGS. 3 and 4 , thebase 4 comprises abattery tray 41, abattery cover 42, aPCB mainboard 43 and pieces ofbattery shrapnel 44. The pieces ofbattery shrapnel 44 are installed on thebattery tray 41 to form a battery chamber for accommodatingbatteries 45. ThePCB mainboard 43 is installed on thebattery tray 41 and arranged at one side of the battery chamber. The control circuit and a power switch are arranged on thePCB mainboard 43. ThePCB mainboard 43 is electrically connected, via wires, with theLED light 33, the PCB subboard installed with thecoil 37, and the pieces of batter shrapnel. Thebattery cover 42 is arranged at the bottom of thebattery tray 41 and can be removed to enable the displacement of the batteries in the battery chamber. Thecore 3 is installed on thebase 4, wherein the PCB subboard installed with thecoil 37 is electrically connected with thePCB mainboard 43. The circumference of the battery stray 41 and the bottom of thecasing 2 may be snapped together, or may be threaded with each other through a bolt. Thecasing 2 is a hollow cylinder, the external diameter of which is equal to or slightly larger than the internal diameter of theshell 1 so as to be tightly fitted into theshell 1. Thecasing 2 is provided with a through hole on the top, which is used for mating with thecore 3. When thecore 3 is received within thecasing 2, theupper sheet 311 of theflame sheet 31 is exposed out of thecasing 2 through the casing's through hole. -
FIG. 7 is a circuit schematic diagram of the embodiment. The operation principle of the electronic candle according to the embodiment is illustrated below with reference toFIG. 7 . - In the power source part, the energy provided by the batteries is transferred, via a switch SW1, to an input pin of a boost converter U1, then into a boost circuit consisting of components such as a fifth capacitor C5, a second inductor L2, the boost converter U1, a third capacitor C3 and an eighth resistor R8. A stable voltage of 3.3V is then output from a fifth pin of the boost converter U1 to be supplied to a microprocessor U2, a LED light LED1 (expressed as the
LED light 33 in the structure described above, using a warm white light similar to true fire in color) and a coil L1. - In the case where the switch SW1 is closed such that the circuit is powered by the power source part, the microprocessor U2 starts to work upon receiving a 3.3-volt voltage. When a voltage at a fifth pin (PB1) of the microprocessor U2 is above 1.82-volt, the microprocessor U2 controls an eighth pin (PWM/PCO) to output a square wave pulse of 40 ms on and 630 off. A MOS transistor Q1 and the coil L1 are controlled through the square wave pulse to oscillate so as to produce a magnetic field. In the case that the magnetic field produced by the magnet at the lower end of the
linkage sheet 35 is the same as that produced by the coil (both are N poles or S poles), the coil repels the magnet. The magnet then brings thelinkage sheet 35 to sway toward left or right. Further, in the case that the magnetic field produced by the magnet at the upper end of thelinkage sheet 35 is opposite to that produced by the magnet at the lower end of theflame sheet 31, thelinkage 35 drives theflame sheet 31 to sway toward right or left since thelinkage sheet 35 and theflame sheet 31 are arranged to be a distance from each other. Meanwhile, the microprocessor U2 controls a third pin (PB3) to output a high level so as to supply about a 0.6-volt voltage to the base of a triode Q2 via a resistor R10. Once the triode Q2 is turned on, the LED light LED1 is lighted. Then the light is projected onto the flame sheet at an angle of 35 degree. Under the action of the coil, the flame sheet, as viewed from a distance, is very similar to that of a burning candle. The optimum viewing distance is farther than 1 m from the electronic candle, the viewing angle being smaller than 120 degree. - The work of circuit in the case where the switch is switched such that the circuit is controlled by a timer and a first pin (PA3) of the microprocessor U2 is at a low level is illustrated below. On one hand, the microprocessor U2 controls the eighth pin (PWM/PCO) to output a square wave pulse of 40 ins on and 630 ins off after halting for 500 ms. The MOS transistor Q1 and the coil are controlled through the square wave pulse to oscillate so as to produce a magnetic field. In the case that the magnetic field produced by the magnet at the lower end of the
linkage sheet 35 is the same as that produced by the coil (both are N poles or S poles), the coil repels the magnet. The magnet then brings thelinkage sheet 35 to sway toward left or right. Further, in the case that the magnet at the upper end of thelinkage sheet 35 produce a magnetic field which is opposite to that produced by the magnet at the lower end of theflame sheet 31, thelinkage sheet 35 drives theflame sheet 31 to sway toward right or left since thelinkage sheet 35 and theflame sheet 31 are arranged to be a distance from each other. Meanwhile, the microprocessor U2 controls the third pin PB3 to output a high level after halting for 500 ins (that is to say, the LED light LED1 blinks for once) so as to apply about a 0.6-volt voltage to the base of the triode Q2 via the tenth resistor R10. Once the triode Q2 is turned on, the LED light LED1 is lighted. On the other hand, an oscillation circuit, which consists of a crystal oscillator X1, a first capacitor C1 and a second capacitor C2, provides standard clock information to the microprocessor U2. The timer of the microprocessor U2 starts timing upon the LED light LED1 blinks. After 5 hours, the microprocessor U2 will controls the eighth pin (PWM/PCO) and the third pin (PB3) to output a low level, so that the flame sheet stops swaying and the LED light LED1 goes out. After next 19 hours, the microprocessor U2 controls the eighth pin (PWM/PCO) to output a square wave of 40 ins on and 630 ins off, and the PB3 to output a high level, so that the flame sheet starts to sway and the LED light LED1 is lighted. In view of the above, the total time of a cycle is 24 hours. The circuit can circularly work in this way, until the batteries exhaust or the switch is switched into other states. - When the battery voltage is below 1.62 volt, the LED light will go out no matter that the switch is switched such that the circuit is powered by the power source part or controlled by a timer. Meanwhile, the flame sheet stops swaying, and the control circuit goes to a sleep state. The circuit restores to work until the batteries are replaced with new ones.
- When the switch is opened, the boost converter U1 and the microprocessor U2 stop working since they are not powered by the batteries. As a result, the LED light will go out, meanwhile, the
flame sheet 31 stops swaying. - With reference to
FIG. 8 , the swing mechanism according to the first embodiment is simplified according to the second embodiment. Thelinkage sheet 35 and components attached thereto, such as thelinkage sheet 34 and two magnets at both ends thereof, are omitted. Thus, thecoil 37 is disposed adjacent to the lower end of theflame sheet 31. In the case that thecoil 37 produces a magnetic field which is opposite to that produced by the magnet at the lower end of theflame sheet 31, thecoil 37 and theflame sheet 31 repel each other so as to keep theflame sheet 31 swaying. - In this embodiment, the swing mechanism in the
core 3 according to the first embodiment is replaced with a swing mechanism according the third embodiment. With reference toFIG. 9 , the swing mechanism according to the third embodiment comprises a hangingrope 301, aswing piece 302, arotary block 303, a motor fixedblock 304 and amotor 305. The upper end of the hangingrope 301 is hanged to the lower end of theflame sheet 31, and the lower end of the hangingrope 301 is connected with theswing piece 302. Themotor 305 is fixed within the core's enclosure by the motor fixedblock 304. Therotary block 303 is fixed to the output shaft of themotor 305. In a natural state (under the action of gravity, without the action of any external force), theswing piece 302 is, depending on its own gravity, hanged to the hangingrope 301 and then the lower end of theswing piece 302 contacts with therotary block 303. When themotor 305 is actuated, therotary block 303 collides with theswing piece 302 continually. As a result, theswing piece 302 sways continually, which makes theflame sheet 31 sway disorderly. - With reference to
FIG. 10 , a circuit schematic diagram according to the embodiment is shown. The operation of the swing mechanism is performed through controlling the rotation of the motor M1 with the eighth pin of the microprocessor U2. - In the fourth embodiment, the swing mechanism in the
core 3 according to the first embodiment is replaced with a swing mechanism described below. With reference toFIG. 11 , the swing mechanism according to the forth embodiment comprises alinkage rod 401, arotary block 402, a motor fixedblock 403 and amotor 404. The middle part of theflame sheet 31 is provided with a slot, in which the upper end of thelinkage rod 401 is stuck. The bottom end of thelinkage rod 401 contacts with the outer wall of therotary block 402. Therotary block 402 has an irregular height, and is provide with a pan-like cavity at the middle part. Moreover, the sidewall of the pan-like cavity is provided with atab 4021. The lower end of theflame sheet 31 is stretched into the pan-like cavity. In a natural state, thetab 4021 contacts with the lower end of theflame sheet 31. Themotor 404 is fixed within the enclosure of the core by the motor fixedblock 403. Therotary block 402 is fixedly connected to an output shaft of themotor 404. When themotor 404 is actuated and thus therotary block 402 is forced to rotate, the outer wall of therotary block 402 will continually collides with the bottom end of thelinkage rod 401. As a result, thetab 4021 will continually (or intermittently) collides with the lower end of theflame sheet 31, which makes theflame sheet 31 sway or swing disorderly. - In the fifth embodiment, the swing mechanism in the
core 3 according to the first embodiment is replaced with a swing mechanism described below. The swing mechanism according to the fifth embodiment comprises a connectingpiece 501, arotary block 502, a motor fixedblock 503 and amotor 504. The lower end of theflame sheet 31 is provided with a snap-on piece 313, which can be snapped into areceiving piece 5010 of the connectingpiece 501. The connectingpiece 501 is L-shaped. An end of the connectingpiece 501 far away from the receivingpiece 5010 is provided with a snap-onpiece 5011, which can be snapped into areceiving piece 5020 on therotary block 502. Themotor 504 is fixed within the enclosure of the core by the motor fixedblock 503. Therotary block 502 is fixedly connected with an output shaft of themotor 504, When themotor 504 is actuated, therotary block 502 brings the connectingpiece 501 to rotate. The connectingpiece 501 in turn brings theflame sheet 31 to sway. - In the sixth embodiment, the swing mechanism in the
core 3 according to the first embodiment is replaced with a fan mechanism described below. With reference toFIG. 13 , a fan is fixed within the enclosure of the core at the bottom of the cavity of the core. The fan comprises awind wheel 601, a motor fixedblock 602 and amotor 603. The air outlet direction of thewind wheel 601 is upward. The lower end of theflame sheet 31 is folded at an angle so as to form abaffle 314 which has a surface facing the air outlet direction ofwind wheel 601. When the fan is activated, the surface of thebaffle 314 of theflame sheet 31 is oriented to be upwind such that theflame sheet 31 continually sways under the action of the wind force, - As shown in
FIG. 14 , the electronic candle according to the seventh embodiment is the same as that of the first embodiment, except for the upper sheet of the flame sheet. The upper sheet according to the seventh embodiment is slightly curved, which is concaved from one side.Flanks 3110 are provided at both sides of the concaved portion. Theflanks 3110 and the concaved portion together form a depression onto which the light of the light-emitting element is projected. When the light of the light-emitting element is projected on the depression, a light spot is formed on the projected surface that is recessed with a certain depth rather than flat or curved. It seems that the depression is full of light. Further, when the flame sheet sways or swings disorderly, the light spot simulating a flame produces a stereovision effect. - In view of the above embodiments, all of the electronic candles can be powered by rechargeable batteries. In addition, a charge control circuit may be arranged on the PCB mainboard of the base, such that the electronic candle of the application is rechargeable using a Plug-and-socket charger or a charge seat.
- The present application is further described in detail with reference to above specific embodiments, however, may be carried out by other embodiments than those set forth herein. Those skilled in the art will appreciate that all simple deduces or replacements can also be made without departing from the conception of the application, and are deemed to be embraced in the scope of the present application defined by the appended claims.
Claims (1)
1. An electronic lighting device comprising:
an enclosure provided with a through hole on an upper surface;
a flame component shaped in appearance to substantially resemble a shape of a flame when viewed from at least one perspective, the flame component supported to be exposed above the upper surface of the enclosure through the through hole of the enclosure;
at least one light-emitting element contained entirely within an interior of the enclosure and positioned such that an outgoing direction of a light from the light-emitting element is projected from within the interior of the enclosure, through the through hole of the upper surface of the enclosure, and onto at least one surface of the first portion of the flame component, thereby illuminating the flame component from a light source external to the flame component;
wherein the at least one light-emitting element comprises one or more LEDs;
wherein the enclosure comprises at least two enclosure elements operably configured to connect together to form the enclosure;
wherein at least one of the enclosure elements comprises a cradle on its sidewall forming an installation location for one or more of the at least one light-emitting element, wherein the installation location is operably configured to allow the at least one light-emitting element to emit light at a direction towards the through hole;
an electrically-powered driving mechanism, disposed opposite an end of the enclosure from the through hole; and
a base coupled to the enclosure and below the enclosure comprising a battery chamber structured to contain one or more batteries;
wherein the battery chamber further includes a door on a bottom surface;
control circuitry;
wherein the battery chamber includes connectors electrically connected to the control circuitry, the control circuitry electrically connected to the electrically-powered drive mechanism and the at least one light-emitting element;
wherein the control circuitry is installed adjacent to the battery chamber;
wherein the control circuitry includes one or more printed circuit boards;
wherein the control circuitry includes a timer to discontinue power after a predetermined amount of time.
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PCT/CN2011/076449 WO2012000418A1 (en) | 2010-06-28 | 2011-06-27 | Electronic light emitting device and method for simulating real flame |
US13/325,754 US8789986B2 (en) | 2010-06-28 | 2011-12-14 | Electronic lighting device and method for manufacturing same |
US14/161,143 US8926137B2 (en) | 2010-06-28 | 2014-01-22 | Electronic lighting device and method for manufacturing same |
US14/588,507 US9366402B2 (en) | 2010-06-28 | 2015-01-02 | Electronic lighting device and method for manufacturing same |
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US15/187,640 US10060585B2 (en) | 2010-06-28 | 2016-06-20 | Imitation candle device with a gravity held swing piece attached to the flame sheet |
US15/901,130 US10648631B2 (en) | 2010-06-28 | 2018-02-21 | Electronic lighting device and method for manufacturing same |
US16/442,211 US10415778B1 (en) | 2010-06-28 | 2019-06-14 | Electronic lighting device and method for manufacturing same |
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US29/707,155 Active USD999410S1 (en) | 2010-06-28 | 2019-09-26 | Rounded top electronic candle |
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US17/459,110 Active 2031-08-30 US11828426B2 (en) | 2010-06-28 | 2021-08-27 | Electronic lighting device and method for manufacturing same |
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US20210095827A1 (en) | 2021-04-01 |
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