CN112503621A - Simulation electric fireplace and gradual-change type flame simulation device thereof - Google Patents
Simulation electric fireplace and gradual-change type flame simulation device thereof Download PDFInfo
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- CN112503621A CN112503621A CN202011536955.0A CN202011536955A CN112503621A CN 112503621 A CN112503621 A CN 112503621A CN 202011536955 A CN202011536955 A CN 202011536955A CN 112503621 A CN112503621 A CN 112503621A
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- 238000004088 simulation Methods 0.000 title claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims description 56
- 238000005094 computer simulation Methods 0.000 abstract description 7
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 25
- 238000010586 diagram Methods 0.000 description 5
- 238000003384 imaging method Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004020 luminiscence type Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D13/00—Electric heating systems
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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
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/06—Controlling the distribution of the light emitted by adjustment of elements by movement of refractors
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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
- F21V19/00—Fastening of light sources or lamp holders
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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
- F21V23/003—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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/002—Stoves
- F24C7/004—Stoves simulating flames
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- 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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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A simulation electric fireplace comprises a shell, a projection plate, a rotatable light-transmitting unit, a light-emitting unit and a control unit, wherein an observation window for observing the interior of the shell is arranged on one side surface of the shell; the light transmitting unit is positioned between the light emitting unit and the projection plate; the light-emitting unit comprises more than two light-emitting bodies; the light rays emitted by the luminous bodies and not parallel to each other pass through the light transmitting unit and then are projected to different positions on the projection plate to form light spots. The control unit comprises controllers which are respectively and electrically connected with the luminous bodies, and the controllers respectively control the switches of the luminous bodies. The invention also provides a gradual change type flame simulation device. Compared with the prior art, the simulated electric fireplace and the gradual change type flame simulation device thereof control the switches of the plurality of luminous bodies forming light spots at different positions of the projection plate through the controller, realize the dynamic simulation of flame combustion in different states, and improve the flame simulation degree.
Description
Technical Field
The invention relates to the field of simulation devices, in particular to a simulation electric fireplace and a gradual-change type flame simulation device thereof.
Background
In the past, lighting wood in fireplaces has been the most common form of heating. However, this method produces a large amount of carbon dioxide, and is low in safety and environmentally undesirable. Therefore, with the popularization of electric appliances, the mode is gradually replaced by the heating through an electric fireplace. On the other hand, although an electric fireplace can achieve a heating effect, it cannot create a wood-burning atmosphere well, and thus cannot meet aesthetic and functional requirements that are increasing with the improvement of living standards. For this reason, various electric fireplaces with flame simulating function are provided in the prior art.
Referring to FIG. 1, patent application No. 202020147946.1 discloses a simulated electric fireplace which comprises a housing 1, a simulated fuel 2 and a flame simulating device 3 which are respectively arranged in the housing 1. And a window used for the inside of the observer is arranged on the front side surface of the shell 1. The flame simulation device 3 comprises a light source 4, a light-transmitting revolving body 5 arranged on the light path of the light source 4 and an imaging plate 6. The light-transmitting revolving body 5 is formed by connecting three hollow curved surface shells and is arranged between the light source 4 and the imaging plate 6, and light rays emitted by the light source 4 irradiate the light-transmitting revolving body 5 along the light path thereof and are refracted or transmitted onto the imaging plate 6, so that the flame effect is simulated.
As can be seen from the simulation electric fireplace, although the light-transmitting revolving body has the revolving function, the basic principle of simulating the flame effect is realized by changing the light path by the light-transmitting revolving body, so that the shape and the size of the light spot projected on the imaging plate are basically unchanged, the dynamic effect is poor, and compared with the atmosphere when real flame burns, the simulation degree is low.
Disclosure of Invention
Based on the above, the invention aims to provide a simulated electric fireplace capable of simulating various flame states so as to improve the dynamic simulation degree of flames.
The technical scheme adopted by the invention is as follows:
an simulated electric fireplace comprising:
the device comprises a shell, wherein an observation window for observing the interior of the shell is arranged on one side surface of the shell;
the projection plate is arranged on the inner side surface of the shell and is opposite to the observation window;
the light transmitting unit is positioned between the observation window and the projection plate and can rotate, and light rays pass through the light transmitting unit, then the light path is changed and projected to the projection plate to form light spots;
the light-emitting unit is positioned in the shell, and the light-transmitting unit is positioned between the light-emitting unit and the projection plate; the light-emitting unit comprises more than two light-emitting bodies; projecting along the direction of a rotating shaft of the light transmitting unit, wherein each light emitting body respectively emits light rays with mutually unparallel light paths, and the light paths are changed after passing through the light transmitting unit and projected to different positions of the projection plate to form light spots;
and the control unit comprises controllers which are respectively electrically connected with the light-emitting bodies, and the controllers respectively control the light-emitting body switches.
Compared with the prior art, the simulated electric fireplace controls the switches of the plurality of luminous bodies forming light spots at different positions of the projection plate through the controller, thereby realizing the gradual change dynamic simulation of flames with different brightness during combustion and improving the flame simulation degree.
Further, the control unit further comprises a light transmitting unit driving motor; the light transmission unit is driven by the light transmission unit driving motor to rotate around the rotating shaft. The light transmission unit is driven by the light transmission unit driving motor to drive the light transmission unit to rotate, and light spots obtained by projection jump, so that the dynamic simulation effect is further improved.
Further, the light transmitting unit driving motor is a variable motor; the controller is electrically connected with the light-transmitting unit driving motor and controls the rotating speed of the light-transmitting unit driving motor. Different light transmission unit rotating speeds are matched with light spots with different brightness, dynamic flames with different strengths and sizes can be simulated respectively, and the simulation degree is improved.
Further, the light emitting unit includes a first light emitter group, a second light emitter group, a third light emitter group, and a fourth light emitter group; the first light emitter group, the second light emitter group, the third light emitter group and the fourth light emitter group are projected along the direction of a rotating shaft of the light transmitting unit, and the distances from the first light emitter group, the second light emitter group, the third light emitter group and the fourth light emitter group to the inner bottom surface of the shell are reduced in sequence; the distances from light spots formed on the projection plate by the light rays emitted by the first light-emitting body group, the second light-emitting body group, the third light-emitting body group and the fourth light-emitting body after passing through the light-transmitting unit to the inner bottom surface of the shell are sequentially increased. The multiple luminous bodies are combined according to the brightness required and can obtain various flame dynamic effects including the gradual change state by matching with different rotating speeds of the light transmission units.
In addition, the invention also provides a gradual change type flame simulation device, which comprises a projection plate, a light-emitting unit, a rotatable light-transmitting unit and a control unit, wherein the light-transmitting unit is positioned between the projection plate and the light-emitting unit; the light-emitting unit comprises more than two light-emitting bodies; projecting along the direction of a rotating shaft of the light transmitting unit, wherein each light emitting body respectively emits light rays with mutually unparallel light paths, and the light paths are changed after passing through the light transmitting unit and projected to different positions of the projection plate to form light spots; the control unit comprises controllers which are respectively electrically connected with the light-emitting bodies, and the controllers respectively control the light-emitting body switches.
Compared with the prior art, the gradual change type flame simulation device provided by the invention has the advantages that the controller is used for controlling the switches of the plurality of luminous bodies forming light spots at different positions of the projection plate, the gradual change dynamic simulation of flames with different brightness is realized, and the flame simulation degree is improved.
Further, the control unit further comprises a light transmitting unit driving motor; the light transmission unit is driven by the light transmission unit driving motor to rotate around the rotating shaft. Along with the rotation of the light transmission unit, the light spot jumping on the projection plate further improves the dynamic simulation effect.
Further, the light transmitting unit driving motor is a variable motor; the controller is electrically connected with the light-transmitting unit driving motor and controls the rotating speed of the light-transmitting unit driving motor. Different light transmission unit rotating speeds are matched with light spots with different brightness, dynamic flames with different strengths and sizes can be simulated respectively, and the simulation degree is improved.
Furthermore, the projection is carried out along the direction of the rotating shaft of the light transmission unit, and the extension lines of the light paths of the light rays emitted by the light emitting bodies before entering the light transmission unit pass through the shaft center of the light transmission unit, so that the projection position of the light rays on the projection plate can be better controlled.
Furthermore, more than two LED bulbs are arranged on the same luminous body, and in the same luminous body, the LED bulbs are arranged along the direction parallel to the rotating shaft of the light-transmitting unit; the light emitting unit further comprises light guide covers sleeved outside the LED bulbs. The LED bulbs have the function of energy conservation, the LED bulbs arranged in rows can well control the light direction, and the light guide cover reduces the mutual influence among the light rays emitted by the LED bulbs so as to obtain better flame simulation effect and reduce light pollution.
Furthermore, the light transmitting unit is arranged on a working plane, and the rotating shaft of the light transmitting unit is parallel to the working plane; the light emitting unit includes a first light emitter group, a second light emitter group, a third light emitter group, and a fourth light emitter group; the distances from the first light emitter group, the second light emitter group, the third light emitter group and the fourth light emitter group to the working plane are reduced in sequence; the distances from the light spot positions formed on the projection plate by the light rays emitted by the first light-emitting body group, the second light-emitting body group, the third light-emitting body group and the fourth light-emitting body after passing through the light-transmitting unit to the working plane are sequentially increased. The multiple luminous bodies are combined according to the required brightness, and can acquire multiple flame dynamics including the gradual change state by matching with different rotating speeds of the light transmission units.
For a better understanding and practice, the invention is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a prior art simulated electric fireplace;
FIG. 2 is a schematic structural view of a simulated electric fireplace of the present invention;
FIG. 3 is a schematic structural diagram of a gradual change type flame simulation apparatus according to the present invention;
FIG. 4 is a schematic structural view of a light-transmitting unit according to the present invention;
FIG. 5 is a partial perspective view of the present invention projected along the axis of rotation of the light-transmitting unit;
FIG. 6 is a partial perspective view of the present invention, projected in a direction perpendicular to the bottom surface of the housing;
FIG. 7 is a schematic structural view of a light guide cover according to the present invention;
FIG. 8 is a schematic diagram of an optical path according to a first embodiment of the present invention;
FIG. 9 is a schematic diagram of an optical path in the second embodiment of the present invention;
FIG. 10 is a schematic diagram of an optical path in a third embodiment of the present invention;
fig. 11 is a schematic diagram of an optical path in the fourth embodiment of the present invention.
Detailed Description
Referring to fig. 2 and 3, the simulated electric fireplace of the present invention includes a housing 10 with a hollow interior, a light transmitting unit 20, a light emitting unit 30, a projection plate 40, a supporting unit 50 and a control unit 60 respectively disposed in the housing 10. An observation window (not shown) for observing the interior of the shell is formed on one side surface of the shell 10, the projection plate 40 is arranged on the inner side surface of the shell 10 opposite to the observation window, and the plate surface of the projection plate 40 can be seen through the observation window; preferably, the projection plate 40 is perpendicular to the inner bottom surface of the housing 10. The light transmitting unit 20, the light emitting unit 30 and the supporting unit 50 are disposed on the inner bottom surface of the housing 10, the light emitting unit 30 is located at a side close to the observation window, and the light transmitting unit 20 is located between the light emitting unit 30 and the projection plate 40. The light-transmitting unit 20 is any transparent body which is provided with a curved surface and can refract and/or transmit light in the prior art, so as to change the light path direction of the light inside the light-transmitting unit, and the incident angle and the emergent angle of the light on the light-transmitting unit 20 are not equal to the angle of the same plane. The light emitted from the light emitting unit 30 is refracted and/or transmitted by the curved surface of the light transmitting unit 20 and then projected onto the projection plate 40 to form a light spot for simulating flames. The support 50 includes a light transmission unit support 51 supporting the light transmission unit 20 and a light emitting unit support 52 supporting the light emitting unit 30, and both the light transmission unit support 51 and the light emitting unit support 52 are disposed on the inner bottom surface of the housing 10. The control unit 50 includes a light transmission unit driving motor 61 and a controller 62 for driving the light transmission unit 20 to rotate around the axis, and the controller 62 is electrically connected to the light transmission unit driving motor 61 and the light emitting unit 30. Preferably, the light transmission unit driving motor 61 is a variable motor, and at least has a speed gear of 3 gears or more, wherein in this embodiment, the rotation speed is greater than or equal to 10r/min as a high speed gear, the rotation speed is less than 10r/min and greater than 8r/min as a medium speed gear, and the rotation speed is less than or equal to 8r/min as a low speed gear, so as to realize the selection of the rotation speed of the light transmission unit 20 according to the simulation effect.
In the present embodiment, referring to fig. 4, the light-transmitting unit 20 includes a first sphere 21, a second sphere 22, a third sphere 23, and a connecting portion 24 connected therebetween, wherein the centers of the spheres are all on the same straight line and are light-transmitting. The second sphere 22 is located between the first sphere 21 and the third sphere 23, and the distance between the centers of two adjacent spheres is greater than the sum of the radii of the two adjacent spheres. The connecting portion 22 is a cylinder with a straight line connecting the centers of the first sphere 21, the second sphere 22, and the third sphere 23 as an axis, and the axial diameter of the connecting portion 22 is smaller than the radii of the first sphere 21, the second sphere 22, and the third sphere 23 connected thereto. That is, the light transmitting unit 20 is a rotating body having a straight line connecting the centers of the first spherical body 21, the second spherical body 22, and the third spherical body 23 as a rotation axis. In the plane of the rotating shaft, the bus of the light-transmitting unit 20 is composed of three arcs with the sphere radiuses of the first sphere 21, the second sphere 22 and the third sphere 23 as radiuses and the circle center of the arc located on the rotating shaft, and two straight lines which are connected between the arcs and have the distance to the rotating shaft equal to the axle radius of the connecting part 24. Further, a connecting shaft 25 coaxial with the rotating shaft is respectively arranged on one side of the first sphere 21 and the third sphere 23 opposite to the sphere of the second sphere 22, and the connecting shaft 25 is hinged to the transparent unit support 51 and connected to the transparent unit driving motor 61 to be driven by the transparent unit driving motor 61 to rotate around the rotating shaft. The first sphere 21, the second sphere 22 and the third sphere 23 are made of hard transparent plastic, and a plurality of light-gathering blocks 26 for changing the light path are arranged on the outer surface. When the light is projected to the light-transmitting unit 20, the incident ray and the emergent ray are not parallel, so that the light path is changed. Preferably, the first sphere 21, the second sphere 22 and the third sphere 23 have equal sphere radii; further, the sphere radius of the second sphere 22 in the middle is larger than the sphere radius of the first sphere 21 and the third sphere 23 at both sides, thereby improving the simulation effect of the flame. Preferably, the rotation axis of the light transmission unit 20 is parallel to the inner bottom surface of the housing 10; further, the rotating shaft of the light-transmitting unit is parallel to the surface of the projection plate 40, so that the position of the light spot on the projection plate 40 can be conveniently adjusted.
The light emitting unit 30 includes two or more mounting plates 31 and light emitters 32 mounted on the respective mounting plates 31. The mounting plate 31 passes through the luminescence unit support 52 is installed on the bottom surface in the casing 10, the mounting plate 31 along with the printing opacity unit 20 rotation axis parallel direction extends and a side face orientation the printing opacity unit 20, the mounting plate 31 with the axis of the articulated and articulated department of luminescence unit support 52 with the rotation axis of printing opacity unit 20 is parallel. Preferably, the mounting plate 31 is symmetrically disposed on a straight line perpendicular to the rotation axis of the light transmission unit 20 and passing through the center of the rotation axis, and the length of the mounting plate 31 is longer than the length of the light transmission unit 20 along the rotation axis direction thereof, projected in a direction perpendicular to the inner bottom surface of the housing 10. The projection along the rotating shaft direction of the light transmission unit 20, in the direction perpendicular to the inner bottom surface of the housing 10, the distances from the two adjacent mounting plates 31 to the inner bottom surface of the housing 10 are unequal, so that the two mounting plates 31 are prevented from overlapping each other to block light. The light emitters 32 are respectively disposed on the plate surface of each mounting plate 31 facing the light transmission unit 20 and electrically connected to the controller 62. In the plane along the projection of printing opacity unit 40 axis direction, around with the axis rotation of the articulated department of luminescence unit support 52 mounting panel 31, it is adjustable mounting panel 31 for the contained angle size of projection board 40 face, thereby the adjustment the light that the luminous body 32 emitted gets into the position of printing opacity unit 20, and then the adjustment the light that the luminous body 32 emitted is in position on the projection board 40. Preferably, more than two LED bulbs (not shown) are provided on the illuminator 32 on the same mounting board 31. On the same mounting plate 31, the LED bulbs are arranged in groups in sequence along the direction parallel to the rotation axis of the light transmission unit 20. Preferably, the distance between two adjacent LED bulbs is equal on the same mounting board 31 along the direction of the rotation axis of the light transmission unit 20. Projecting along the direction of the rotation axis of the light-transmitting unit 20, and because the incidence angles from the light-emitting bodies 32 on the same mounting plate 31 to the light-transmitting unit 20 are the same, the included angles of the exit angles of each group of light-emitting bodies 32 on the same mounting plate 31 after passing through the light-transmitting unit 20 with respect to the surface of the projection plate 40 are the same; for different mounting plates 31, because the heights of the mounting plates 31 relative to the inner bottom surface of the housing 10 and/or the included angles between the mounting plates 31 and the surface of the projection plate 40 are not equal, the included angles between the exit angles of the light rays emitted by each group of luminous bodies 32 on the different mounting plates 31 after passing through the light-transmitting unit 20 and the surface of the projection plate 40 are not equal, so that light spots are projected on different positions of the surface of the projection plate 40. Further, referring to fig. 5, when the light path extending lines of the light emitted by each group of the light-emitting units 32 installed on different installation plates 31 projected along the axial direction of the light-transmitting unit 20 before entering the light-transmitting unit 20 pass through the axial center of the light-transmitting unit 20, the angle of the exit angle can be better controlled. Further, referring to fig. 6, the light is projected in a direction perpendicular to the inner bottom surface of the housing 10, the mounting plate 31 is an arc-shaped plate protruding from one side away from the light transmitting unit 20, the center of the arc-shaped plate is located on a straight line perpendicular to the rotation axis of the light transmitting unit 20 and passing through the center of the rotation axis, the light emitting bodies 32 on the mounting plate 31 are arranged along the mounting plate 31, that is, the LED bulbs are sequentially arranged in an arc concentric with the surface of the mounting plate 31, and the emitted light rays face the light transmitting unit 20, so that the light rays projected onto the light transmitting unit are increased, and the utilization rate of the light rays of the. Further, since the light emitted from the LED bulbs has divergence, the light emitting angle of the emitted light is generally 120 °, in order to better control the light emitting angle of the light emitting body 32, so that the light emitted therefrom is close to parallel light, the light emitting unit 30 further includes light guiding covers 33 respectively sleeved outside the LED bulbs and fixedly disposed on the mounting plate 31. In this embodiment, the light guide cover 33 is made of plastic and is a cylinder with openings at two ends, and the interior of the light guide cover is hollow and has a reflective coating on the inner wall to reflect light emitted by the LED bulb; the axis of the light guide cover 33 is perpendicular to the mounting plate 31. The light emitted from the LED bulbs enters the light-transmitting unit 20 as parallel light beams, thereby reducing the mutual influence between the light emitted from the LED bulbs to obtain a better flame simulation effect and reducing light pollution.
In this embodiment, the mounting plates 31 include a first mounting plate 311, a second mounting plate 312, a third mounting plate 313 and a fourth mounting plate 314, which are sequentially decreased in minimum distance from the inner bottom surface of the housing 10; the light emitter 32 comprises a first light emitter group 231 mounted on the first mounting plate 311, a second light emitter group 322 mounted on the second mounting plate 312, a third light emitter group 323 mounted on the third mounting plate 313, and a fourth light emitter group 324 mounted on the fourth mounting plate 314, each light emitter group is provided with a plurality of LED bulbs arranged along a direction parallel to the rotation axis of the light transmission unit 20, and the light guide cover 33 is sleeved outside the LED bulbs. In a plane projected along the rotation axis direction of the light transmission unit 20, it is assumed that an included angle between a light ray emitted from the light transmission unit 20 by the first light emitter group 321 and the surface of the projection plate 40 is an angle a, an included angle between a light ray emitted from the light transmission unit 20 by the second light emitter group 322 and the surface of the projection plate 40 is an angle B, an included angle between a light ray emitted from the light transmission unit 20 by the third light emitter group 323 and the surface of the projection plate 40 is an angle C, and an included angle between a light ray emitted from the light transmission unit 20 by the fourth light emitter group 324 and the surface of the projection plate 40 is an angle D. The angles of the first mounting plate 311, the second mounting plate 312, the third mounting plate 313 and the fourth mounting plate 314 with respect to the projection plate 40 are adjusted such that the angle a > the angle B > the angle C > the angle D, and the distances from the light spots formed on the projection plate 40 by the fourth light emitter group 324, the third light emitter group 323, the second light emitter group 322 and the first light emitter group 321 to the inner bottom surface of the housing 10 decrease in this order. Preferably, the extension lines of the light paths emitted by the first, second, third and fourth light emitter groups 321, 322, 323 and 324 pass through the rotation axis of the light transmission unit 20. Further, the fourth light emitter 324 emits deep orange light, the third light emitter 323 emits light orange light, the second light emitter 322 emits light blue light, and the first light emitter 321 emits deep blue light, so as to better simulate a flame effect.
Based on the structure in the present embodiment described above, the operation thereof will be described.
The first embodiment is as follows: simulating low-grade flames, i.e. fine-fire effects
Referring to fig. 8, the controller 62 controls the light-transmitting unit driving motor 61 to drive the light-transmitting unit 20 to rotate around the axis at a low speed, wherein the rotation speed is less than or equal to 8r/min, and the first light-emitting unit 321 with the largest distance from the inner bottom surface of the housing 10 is turned on. In a plane projected along the rotation axis direction of the light transmission unit 20, the light emitted by the first light emitter group 321 is projected onto the light transmission unit 20 according to the first incident light path 100 and then projected onto the projection plate 40 according to the first emergent light path 100'. Since only one first light emitter group 321 emits light, the light is dark, and the light transmission unit drives the motor 61 to rotate at a low speed, so that the projected light spot is gently changed, thereby simulating a soft and floating dark and thin fire effect.
Second embodiment, medium and low-grade flame simulation, namely medium and fine fire effect
Referring to fig. 9, the controller 62 controls the light-transmitting unit driving motor 61 to drive the light-transmitting unit 20 to rotate around the axis at a medium speed, the rotating speed is less than 10r/min and is greater than or equal to 8r/min, and the first light-emitting unit 321 and the second light-emitting unit 322 located below the first light-emitting unit are turned on. The light emitted from the first light emitter group 231 is projected onto the light transmission unit 20 according to the first incident light path 100 and then projected onto the projection plate 40 according to the first emergent light path 100'. The light emitted from the second light emitting unit 322 is projected onto the light transmitting unit 20 according to the second incident light path 200 and then projected onto the projection plate 40 according to the second emergent light path 200'. Because the included angles between the first emergent light path 100 'and the second emergent light path 200' relative to the surface of the projection plate 40 are different, the light spots formed by the second emergent light path 200 'are above and partially overlapped with the light spots formed by the first emergent light path 100' on the surface of the projection plate 40. The two groups of luminous bodies emit light rays, so that the brightness is increased, and the light-transmitting unit driving motor 61 rotates at a medium speed, so that the change speed of light spots obtained by projection is increased, and the effect of jumping and high-speed medium and thin fire is simulated.
Third embodiment, medium and high grade flame is simulated, namely medium and high fire effect
Referring to fig. 10, the controller 62 controls the light transmission unit driving motor 61 to drive the light transmission unit 20 to rotate around the shaft at a medium speed, and the rotating speed is less than 10r/min and greater than or equal to 8r/min, and the first light emitter group 321, the second light emitter group 322, and the third light emitter group 323 located below the second light emitter group 322 are turned on. The light emitted from the first light emitter group 231 is projected onto the light transmission unit 20 according to the first incident light path 100 and then projected onto the projection plate 40 according to the first emergent light path 100'. The light emitted from the second light emitting unit 322 is projected onto the light transmitting unit 20 according to the second incident light path 200 and then projected onto the projection plate 40 according to the second emergent light path 200'. The light emitted by the third light emitting unit 323 is projected onto the light transmitting unit 20 according to a third incident light path 300 and then projected onto the projection plate 40 according to a third emergent light path 300'. Because the included angles of the first outgoing light path 100 ', the second outgoing light path 200' and the third outgoing light path 300 'with respect to the surface of the projection plate 40 are different, on the surface of the projection plate 40, the distances from the light spots formed by the third outgoing light path 300', the second outgoing light path 200 'and the first outgoing light path 100' to the inner bottom surface of the housing 10 decrease in sequence and are partially overlapped with each other. The light emitted by the three groups of luminous bodies further increases the brightness on one hand, and on the other hand, the light-transmitting unit drives the motor 61 to rotate at a medium speed, so that the image obtained by projection is accelerated in change speed, and the medium-high fire effect with high movement speed and high brightness is simulated.
Fourth embodiment, high-grade flame is simulated, namely, the effect of big fire
Referring to fig. 11, the controller 62 controls the light-transmitting unit driving motor 61 to drive the light-transmitting unit 20 to rotate around the axis at a medium speed and at a rotation speed greater than or equal to 10r/min, and turns on the first light-emitting group 321, the second light-emitting group 322, the third light-emitting group 323, and the fourth light-emitting group 324 located below the third light-emitting group 323. The light emitted from the first light emitter group 231 is projected onto the light transmission unit 20 according to the first incident light path 100 and then projected onto the projection plate 40 according to the first emergent light path 100'. The light emitted from the second light emitting unit 322 is projected onto the light transmitting unit 20 according to the second incident light path 200 and then projected onto the projection plate 40 according to the second emergent light path 200'. The light emitted by the third light emitting unit 323 is projected onto the light transmitting unit 20 according to a third incident light path 300 and then projected onto the projection plate 40 according to a third emergent light path 300'. The light emitted by the fourth light emitting device group 324 is projected onto the light transmitting unit 20 according to a fourth incident light path 400 and then projected onto the projection plate 40 according to a fourth emergent light path 400'. Because the included angles of the first outgoing light path 100 ', the second outgoing light path 200', the third outgoing light path 300 'and the fourth outgoing light path 400' with respect to the surface of the projection plate 40 are different, on the surface of the projection plate 40, the distances from the light spots formed by the fourth outgoing light path 400 ', the third outgoing light path 300', the second outgoing light path 200 'and the first outgoing light path 100' to the inner bottom surface of the housing 10 are sequentially decreased progressively and partially overlapped. The four groups of luminous bodies emit light rays simultaneously, on one hand, the brightness is greatly increased, and the state of violent combustion of a big fire is simulated, on the other hand, the light-transmitting unit drives the motor 61 to rotate at a high speed, so that the image obtained by projection is changed rapidly, and the combustion state of the big fire blown by big wind is simulated.
Fifth embodiment simulation of a gradual flame Effect
Referring to fig. 8 to 11, the controller 62 controls the light-transmitting unit driving motor 61 to rotate at a slow speed. The first light emitter group 321, the second light emitter group 322, the third light emitter group 323 and the fourth light emitter group 324 are sequentially turned on in accordance with the change of the rotation speed. The light emitted by the first light emitter group 321, the second light emitter group 322, the third light emitter group 323 and the fourth light emitter group 324 enters the light transmission unit 20 and then is sequentially projected onto the projection plate 40, so that the gradual change effect of the fire from weak to strong is simulated.
Or, the controller 62 controls the light-transmitting unit driving motor 61 to rotate at a speed from fast to slow. The fourth light emitting group 324, the third light emitting group 323, the second light emitting group 322 and the first light emitting group 321 are turned off in sequence in accordance with the change of the rotation speed. The light spots formed by the fourth light emitting group 324, the third light emitting group 323, the second light emitting group 322 and the first light emitting group 321 disappear in sequence, so that a gradual change effect of the fire is simulated, wherein the fire is weakened from strong.
Compared with the prior art, the simulated electric fireplace and the gradual-change type flame simulation device thereof can simulate flames with different brightness, realize the gradual-change type dynamic effect of simulated flames and further improve the simulation degree of the flames. And the light spots obtained by projection jump at different speeds by matching with different rotating speeds of the light transmission units, so that the dynamic simulation effect is further improved. And the angle of the light entering the light transmission unit can be adjusted, so that the position of the light spot formed on the projection plate can be well controlled. The multiple luminous bodies are combined according to the required brightness, and can be matched with different rotating speeds of the light transmission units to obtain multiple flame dynamic effects.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. A simulation electric fireplace is characterized in that: comprises that
The device comprises a shell, wherein an observation window for observing the interior of the shell is arranged on one side surface of the shell;
the projection plate is arranged on the inner side surface of the shell and is opposite to the observation window;
the light transmitting unit is positioned between the observation window and the projection plate and can rotate, and light rays pass through the light transmitting unit, then the light path is changed and projected to the projection plate to form light spots;
the light-emitting unit is positioned in the shell, and the light-transmitting unit is positioned between the light-emitting unit and the projection plate; the light-emitting unit comprises more than two light-emitting bodies; projecting along the direction of a rotating shaft of the light transmitting unit, wherein each light emitting body respectively emits light rays with mutually unparallel light paths, and the light paths are changed after passing through the light transmitting unit and projected to different positions of the projection plate to form light spots; and
and the control unit comprises controllers which are respectively electrically connected with the light-emitting bodies, and the controllers respectively control the light-emitting body switches.
2. The simulated electric fireplace of claim 1, wherein: the control unit further comprises a light transmitting unit driving motor; the light transmission unit is driven by the light transmission unit driving motor to rotate around the rotating shaft.
3. The simulated electric fireplace of claim 2, wherein: the light-transmitting unit driving motor is a variable motor; the controller is electrically connected with the light-transmitting unit driving motor and controls the rotating speed of the light-transmitting unit driving motor.
4. The simulated electric fireplace of claim 2, wherein: the light emitting unit includes a first light emitter group, a second light emitter group, a third light emitter group, and a fourth light emitter group; the first light emitter group, the second light emitter group, the third light emitter group and the fourth light emitter group are projected along the direction of a rotating shaft of the light transmitting unit, and the distances from the first light emitter group, the second light emitter group, the third light emitter group and the fourth light emitter group to the inner bottom surface of the shell are reduced in sequence; the distances from light spots formed on the projection plate by the light rays emitted by the first light-emitting body group, the second light-emitting body group, the third light-emitting body group and the fourth light-emitting body after passing through the light-transmitting unit to the inner bottom surface of the shell are sequentially increased.
5. A gradual change formula flame simulation device which characterized in that: the device comprises a projection plate, a light-emitting unit, a rotatable light-transmitting unit and a control unit, wherein the light-transmitting unit is positioned between the projection plate and the light-emitting unit; the light-emitting unit comprises more than two light-emitting bodies; projecting along the direction of a rotating shaft of the light transmitting unit, wherein each light emitting body respectively emits light rays with mutually unparallel light paths, and the light paths are changed after passing through the light transmitting unit and projected to different positions of the projection plate to form light spots; the control unit comprises controllers which are respectively electrically connected with the light-emitting bodies, and the controllers respectively control the light-emitting body switches.
6. The gradual flame simulator of claim 5, wherein: the control unit further comprises a light transmitting unit driving motor; the light transmission unit is driven by the light transmission unit driving motor to rotate around the rotating shaft.
7. The gradual flame simulation apparatus of claim 6, wherein: the light-transmitting unit driving motor is a variable motor; the controller is electrically connected with the light-transmitting unit driving motor and controls the rotating speed of the light-transmitting unit driving motor.
8. The simulated electric fireplace of claim 6, wherein: and projecting along the direction of the rotating shaft of the light transmission unit, wherein the extension lines of the light paths of the light rays emitted by the light emitting bodies before entering the light transmission unit all pass through the axis of the light transmission unit.
9. The simulated electric fireplace of claim 5, wherein: the same luminous body is provided with more than two LED bulbs, and in the same luminous body, the LED bulbs are arranged along the direction parallel to the rotating shaft of the light-transmitting unit; the light emitting unit further comprises light guide covers sleeved outside the LED bulbs.
10. The gradual flame simulator of claim 9, wherein: the light transmitting unit is arranged on a working plane, and a rotating shaft of the light transmitting unit is parallel to the working plane; the light emitting unit includes a first light emitter group, a second light emitter group, a third light emitter group, and a fourth light emitter group; the distances from the first light emitter group, the second light emitter group, the third light emitter group and the fourth light emitter group to the working plane are reduced in sequence; the distances from the light spot positions formed on the projection plate by the light rays emitted by the first light-emitting body group, the second light-emitting body group, the third light-emitting body group and the fourth light-emitting body after passing through the light-transmitting unit to the working plane are sequentially increased.
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| CN202011536955.0A CN112503621A (en) | 2020-12-23 | 2020-12-23 | Simulation electric fireplace and gradual-change type flame simulation device thereof |
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| CN202011536955.0A CN112503621A (en) | 2020-12-23 | 2020-12-23 | Simulation electric fireplace and gradual-change type flame simulation device thereof |
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Cited By (1)
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