CN100339638C - Flame simulator and assembly thereof - Google Patents
Flame simulator and assembly thereof Download PDFInfo
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- CN100339638C CN100339638C CNB021480915A CN02148091A CN100339638C CN 100339638 C CN100339638 C CN 100339638C CN B021480915 A CNB021480915 A CN B021480915A CN 02148091 A CN02148091 A CN 02148091A CN 100339638 C CN100339638 C CN 100339638C
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- flame
- screen
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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
- 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
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- Combustion & Propulsion (AREA)
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- Illuminated Signs And Luminous Advertising (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Baking, Grill, Roasting (AREA)
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- Furnace Housings, Linings, Walls, And Ceilings (AREA)
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- Absorbent Articles And Supports Therefor (AREA)
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- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
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Abstract
An electric fireplace (12) is provided having an improved flame simulating apparatus. The flame simulating apparatus includes a light source (30), a flame effect element (58) for transmitting light to produce a flame effect, and a flicker element (62, 64) having reflective strips for reflecting light from the light source for subsequent reflection by the flame effect element. An alternate flame effect element for reflecting light to produce a flame effect is also provided. A screen having a partially reflecting surface and a diffusing surface is positioned with the flame effect element extending proximate to the diffusing surface. An alternate screen is provided having a diffusing region through its thickness. A fuel bed (26) is positioned immediately adjacent to the partially reflecting surface of the screen to produce an image of the fuel bed (26) on the screen with the image of moving flames appearing to emanate between the fuel bed and its reflected image. The screen may also be given a non-planar diffusing region such that the image of moving flames appears to emanate from behind the reflected image of the fuel bed. A fire wall simulating apparatus is also provided to provide a reflection of a simulated fire wall on the partially reflecting surface which appears to be a fire wall behind the fuel bed.
Description
The application is that international filing date is that April 30, application number in 1997 are 97195586.7, name is called the dividing an application of application for a patent for invention of " flame simulating assembly and assembly thereof ".
Technical field
The present invention relates to simulated fireplace, more properly say, relate to the flame simulating assembly that is used for electric fireplace and similar fireplace.
Background technology
The popular of electricity fireplace is because it can provide the performance directly perceived of actual fireplace, and do not have and discharging burning gases cost related and complexity.At United States Patent (USP) 4,965, a kind of device that is used to produce electric fireplace analogue simulation flame is disclosed among 707 (Butterfield).This Butterfield device adopts a wave belt and diffuser screen system to come simulating flame.The flame that this device is simulated is shockingly true, though its effect is similar to the flame (popular in Europe) of coke fuel, rather than the flame of wood fuel (more popular in the North America).The flame of burn wood more is tending towards having innervation, and above fuels sources higher position.In addition, timber flame does not have coke flame red (and more yellow) on color.
Need a kind of device and be used for producing simulating flame, it is similar to the flame of burn wood more realistically.Need to improve the luminous intensity of simulating flame simultaneously, thereby be similar to the intensity of actual flame more realistically.
Summary of the invention
Purpose of the present invention relates to a kind of improved flame simulating assembly that can produce effect of real flame.
On the one hand, the invention provides a flame simulating assembly, comprising:
A light source;
A flame effect component, it has from described light source transmitted light to produce the device of dynamic flame effect;
At least one flickering unit has at least one reflecting surface, and described flickering unit places the centre of described light source and described flame effect component, with the light of reflection from described light source, again by described flame effect component transmitted light;
Screen with partial reflection surface and scattering surface, described flame effect component approaches described scattering surface, and the light of said transmission produces an image that is similar to dynamic flame on screen; And
A simulated fuel bed and described partial reflection surface placed adjacent demonstrates the image of fuel bed on screen, and dynamic flame image looks like and produces between the image on the screen in simulated fuel bed and it.
Second aspect the invention provides a flame simulating assembly, comprising:
A light source;
A flame effect component, it is made by the opaque substantially material of independent a slice, has from the opening of described light source transmitted light with the generation flame effect, and described flame effect component flows along with air and moves;
An air flow-generator;
Screen with partial reflection surface and scattering surface, described flame effect component approaches described scattering surface and extends, and crosses over the width of described screen basically, and the light of said transmission produces an image that is similar to dynamic flame on screen; And
A simulated fuel bed and described partial reflection surface placed adjacent demonstrates the image of fuel bed on screen, and dynamic flame image looks like and produces between the image on the screen in simulated fuel bed and it.
The third aspect the invention provides a flame simulating assembly, comprising:
A light source;
At least one flickering unit has at least one reflecting surface, and its reflection is from the light of described light source, and described flickering unit is placed along the horizontal axis that is basically parallel to described screen;
A rotor that is used for rotating described flickering unit around described axis;
Screen with partial reflection surface and scattering surface, the light that reflects from described rotation flickering unit arrives described scattering surface, produces an image that is similar to motion gas on the flame at this; And
A simulated fuel bed and described partial reflection surface placed adjacent demonstrates the image of fuel bed on screen, and the image of motion gas looks like at this and produces between the image on the screen in simulated fuel bed and it.
On the other hand, the invention provides a flame effect component that is used for flame simulating assembly, comprising:
The independent opaque substantially light material of a slice, its size are crossed over the zone that needs flame effect basically fully; And
One group of opening leaving on described material piece so that light is easier to by sheet material, thereby produces described flame effect.
On the other hand, the invention provides a transparent screen of cardinal principle that is used for flame simulating assembly, comprising:
Main body with partial reflection surface and scattering surface, described two surfaces are relative;
A rough surface zone is positioned at the part on described partial reflection surface, and described rough region has unreflected substantially rough polish face; And
A reflector space is positioned at another part of described screen, and described reflector space has the reflection buffed surface.
On the other hand, the invention provides a flame simulating assembly, comprising:
A light source;
A flame effect component, it is made by the opaque substantially material of independent a slice, and its size is crossed over the zone that needs flame effect basically fully, leaves one group of opening on the described material piece, so that from the light of described light source be easier to by, thereby produce dynamic flame effect;
At least one flickering unit has at least one reflecting surface, passes described flame effect component with the light that reflects from described light source;
Transparent screen with scattering surface, described flame effect component approach described scattering surface and extend, and the light of said transmission produces an image that is similar to dynamic flame on screen; And
Be used to make the device of described flickering unit with respect to described screen motion.
On the other hand, the invention provides a simulated fuel bed that is used for flame simulating assembly, comprising:
The first that ceramic material is made is used for the timber of simulated fireplace; And
The second portion that plastics are made is used for simulated fireplace combustion of wood ash fire bed, and described first places second portion, and the two combines one or more timber in the simulation ash fire bed.
On the other hand, the invention provides a screen that is used for flame simulating assembly, comprising:
The translucent dispersing element of part, the basic zone of wishing to produce flame effect of crossing over of its size, the thickness that described translucent dispersing element has is adapted to pass described thickness scattered beam; And
A partial reflection element, its size are relative with described dispersing element basically, and described reflecting element has the partial reflection surface, the described dorsad dispersing element of this reflecting surface; Can see the light that passes described dispersing element by described partial reflection surface herein.
On the other hand, the invention provides a screen that is used for flame simulating assembly, comprising:
A translucent dispersing element, the basic zone of wishing to produce flame effect of crossing over of its size, described dispersing element is on-plane surface substantially; And
A partial reflection element, its size is relative with described dispersing element, and described reflecting element has the partial reflection surface, the described dorsad dispersing element of this reflecting surface; In addition, can see the light that passes described dispersing element by described partial reflection surface.
On the other hand, the invention provides a flame simulating assembly, comprising:
A light source;
At least one flickering unit has at least one reflecting surface;
By a slice is the flame effect component that reflecting material is made substantially, and its size extends across the zone that needs flame effect basically fully;
Screen with light-scattering component, its size is made and is extended across the zone that needs flame effect basically fully, described flame effect component approaches described light-scattering component and extends, at this, light from described light source reflexes to described flame effect component by described flickering unit, is reflexed on the described screen by described flame effect component again; And
Make from the device of the described photomovement of described light source reflection, thereby on described screen, produce the image of a similar dynamic flame.
On the other hand, the invention provides a fireplace implement, comprising:
Antetheca with substantially transparent of an inner surface;
Reflecting surface towards described front wall inner surface; And
A patterns that is applied to the described inner surface of described antetheca, an observer can't see described patterns substantially by the antetheca of described substantially transparent, but can see the reflection graphic patterns pattern on described reflecting surface.
On the other hand, the invention provides the flickering unit that is used for flame simulating assembly, it comprise many from the bar radially-protruding many zones of reflections, the shape of described band is a non-rectilinear.
According to the invention provides a kind of flame simulating assembly, comprising:
A simulated fuel bed; With
A light source;
Described flame simulating assembly is characterised in that it has
Screen with partial reflection front surface and a rear surface, the back that described partial reflection front surface is arranged on described simulated fuel bed is used for reflection, so that an image of described simulated fuel bed to be provided in described screen, and transmission light, the back that described rear surface is arranged on described front surface is used to disperse and transmit light;
At least one flickering unit, comprise the bar of a longitudinal extension that defines an axis and from the radially-protruding basically a plurality of reflecting surfaces of described bar, described at least one flickering unit can be rotated around described axis by a rotor, and described at least one flickering unit is set on the opticpath from described light source, to produce passage of scintillation light;
Described flame simulating assembly also comprises a flame effect component, described flame effect component is positioned on the path of the scintillation light between described at least one flickering unit and the described rear surface, described flame effect component comprises a plurality of slits, passes through with the light of permission from described light source
Therefore, transmit and will constitute the flame image that the front surface that passes described screen transmits by passing slit in the flame effect component from the scintillation light of light source.
According to the present invention, a kind of flame simulating assembly also is provided, comprising:
Light source;
A flame effect component, described flame effect component have transmission from the light of described light source to produce the device of mobile flame effect;
At least one flickering unit, described flickering unit has at least one reflecting surface, and described flickering unit is used for subsequently the light that is transmitted by described flame effect component from described light source with reflection between described light source and described flame effect component;
A screen, described screen have a partial reflection surface and a scattering surface, and described flame effect component extends near described scattering surface, and the light of wherein said transmission produces the image of a simulation movable flame on described screen; With
A simulated fuel bed, it is positioned at the vicinity on described partial reflection surface, the image of wherein said fuel bed is presented on the described screen, and the image of described movable flame seems to rise between the image on the described screen from described simulated fuel bed and this simulated fuel bed.
Description of drawings
For understanding the present invention better, and be illustrated more clearly in its operation principle, describe with reference to accompanying drawing by way of example now.These accompanying drawings have shown the preferred embodiments of the present invention, wherein:
Fig. 1 is the perspective view of an electric fireplace, has wherein installed according to flame simulating assembly of the present invention;
Fig. 2 is the side view of Fig. 1 device, shows the assembly of sidewall back;
Fig. 3 is the front view of Fig. 1 device, shows the assembly that roof is following;
Fig. 4 is the top view of Fig. 1 device, shows the assembly of antetheca back;
Fig. 5 is the front view that is used for the flame effect component of Fig. 1 device;
Fig. 6 is the perspective view that is used for the top flickering unit of Fig. 1 device, promptly along the view on 6 directions of arrow among Fig. 3;
Fig. 7 is the partial plan of one section raw material, and this raw material has formed the many radial strips that are used for Fig. 1 middle and upper part flickering unit;
Fig. 8 is the perspective view that is used for the bottom flickering unit of Fig. 1 device, promptly along the view on 8 directions of arrow among Fig. 3;
Fig. 9 is the top view that is used for the fuel bed lighting fixture of Fig. 1 device according to further embodiment of the present invention;
Figure 10 is the side view of second preferred embodiment of this flame simulating assembly, shows the another kind orientation of flickering unit;
Figure 11 is the front view of second preferred embodiment of vertical screen, shows dipartite partial reflection surface;
Figure 12 is the exploded detail of second preferred embodiment of fuel bed;
Figure 13 is the side view of the 3rd preferred embodiment of flame simulating assembly, shows another kind of flame effect component;
Figure 14 is the front view that is used for the flame effect component of Figure 13 device;
Figure 15 is the side perspective view of the 4th preferred embodiment of flame simulating assembly, shows another kind of flame effect component and another kind of vertically screen;
Figure 16 is the another kind of vertically side view of screen device that is used for Fig. 1 or Figure 15 device;
Figure 17 is the front view that is used for the flame effect component of Figure 15 device;
Figure 18 is the perspective view that the electric fireplace of wall with flues analogue means has been installed;
Figure 19 is the side view of Figure 18 fireplace;
Figure 20 is the enlarged perspective of Figure 18 device front wall inner surface; And
Figure 21 is the partial plan of one section raw material, and this raw material has formed many radial strips of another embodiment that is used for Fig. 1 or Figure 15 middle and upper part flickering unit.
The specific embodiment
Foundation flame simulating assembly of the present invention is generally shown among the figure 10.This device is installed in the electric fireplace, generally with 12 expressions, also has electric power connection line 13 and is used to connect the power supply (not shown) in the drawings.
This electricity fireplace 12 comprises the housing 14 that forms the simulated combustion chamber, and the housing 14 of simulated combustion chamber has roof, diapire, antetheca, rear wall and sidewall, is shown 16,18,20,22 and 23 respectively.The part of antetheca determines that by transparent front panel 24 front panel 24 is removable, so that the thing in the contact housing 14.A control module 21 places on the housing top wall.This control module 21 comprises thermostat 27 and main power switch 29 that starts flame effect of a unit heater 25, a control thermal output.
Referring to Fig. 2, a simulated fuel bed 26 is by platform 28 supportings that are positioned at housing 14 lower front portion, and this fuel bed 26 comprises plastic housing and the painted timber and the ashes with the simulated logs combustion flame of a vacuum forming.
Plastic housing partly is translucent, passes through from the light irradiation of light source 30 with permission, and light source 30 is positioned at the below of fuel bed 26.Such as, this plastic housing can be made with orange translucent plastic.The surface of color with simulated logs can be coated in the top of plastic housing.The bottom of plastic housing can painted black (or other opaque color), then at the position polishing light of wishing that light passes through.Such as, protruding point (corresponding to the groove at top) the polishing light of plastic housing below can be passed through to allow light.But these points are with regard to the ashes behind the simulated combustion like this.Equally, light (or not tinting) also can be polished to simulate the ashes of two timber infalls in the zone, fork between simulated logs.
In further embodiment of the present invention as shown in Figure 9, fuel bed lighting fixture 100 can be installed in the below of fuel bed 26.Fuel bed lighting fixture 100 comprises a bearing assembly 102 at 26 times a string bulbs 104 of surface bearing of fuel bed.Heat increases and the effect (showing by luminous intensity is different) that reduces bulb 104 in the fuel bed ashes to provide in different time flickers.Have been found that traditional bulb on Christmas Day is suitable for this purpose.Also find can produce ashes effect true to nature by four common bulbs are installed under fuel bed, bulb light intensity adopts a microprocessor (not shown) to come randomly changing.
Be positioned at fuel bed 26 back and adjacent fuel bed be vertical screen 42.Screen 42 is transparent, and has partial reflection surface 44 and scattering surface 46.In screen 42 grooves 48 that are located in the lower horizontal bearing assembly 50.Lower horizontal bearing assembly 50 is fastened on the sidewall 23 of housing 14 by securing member 52.Screen 42 is by its sides of side frame assemblies 54 supporting, and 54 of side frame assemblies are fastened on the sidewall 23 by securing member 56.The screen structure sees for details as the description in the United States Patent (USP) 4,965,707 of reference of the present invention.
In more detail referring to flame simulating assembly 10, this device comprises a flame effect component 58, air blast 60 and upper and lower flickering unit 62 and 64.
As shown in Figure 5, flame effect component 58 is made by single lightweight, opaque substantially sheeting such as polyester.Assembly 58 extends across the whole width of screen 42 basically.One group of slit 66 is arranged on flame effect component 58, and when assembly 58 fluctuateed under the effect that the air from air blast 60 flows, light can pass flame effect component 58.Long slit 66 is positioned at the lower end of flame effect component 58, with the long flame of simulated fuel bed 26 generations.Less slit 66 is positioned at the upper end of flame effect component 58, and with the volume burning of simulating flame, it appears at the big main flame top that fuel bed 26 produces.Slit 66 is the symmetrical distribution pattern around the central axis 68 of flame effect component 58, to give the outward appearance of flame effect with balance.But assembly 58 applied plastic films (such as polyurethane) are to reduce the later wearing and tearing in slit edge.In addition, flame effect component also can comprise one group of discontinuous flame effect component 58, as the United States Patent (USP) 4,965 as reference of the present invention, described in 707.
The bottom of flame effect component 58 is by securing member 70 supportings that link to each other with bottom level bearing assembly 50.The upper end of flame effect component 58 is by securing member 72 supportings that link to each other with upper level bearing assembly 74.This upper level bearing assembly is fastened on the sidewall of housing 14 by securing member 76.
In use, light is the scattering surface 46 that is transmitted to screen 42 from the slit 66 that light source 30 passes flame effect component 58.Flame effect component 58 seethes to change the position and the size of slit 66 in the air stream from air blast 60.The gained result is volume that the light of transmission the is similar to burning flame that makes a fire.As hereinafter will further explaining, because light was by coloured reflecting surface 82 reflection of flickering unit 62,64, so light to the small part of institute's transmission is coloured before passing slit 66.
Upper and lower flickering unit 62 and 64 is positioned at the back of flame effect component 58, approaches the rear wall of housing 14.Shown in Fig. 6 and 8, each flickering unit comprises the connecting rod 81 of an elongation, and it has one group of zone of reflections 82 and extends radially outwardly. Flickering unit 62 and 64 preferred diameter are about 2 to 3 inches.The zone of reflections 82 is to be about 1.5 inches rectangular material by width to make.Cut out a series of lateral slit along longitudinal extension one side of rectangular material 83 and independent be with 82 to form each.Then rectangular material 83 distaffs 81 are reeled, this belt transect 82 just extends radially out around bar 81.In addition, with 82 length that also can cut into about 2 to 3 inches, and will be with 82 center fixation by the spiral coiling that forms bar 81.Another alternatively, the reflecting surface of flickering unit can be mounted in the glass-reflected eyeglass on a cylinder circumference surface.
One end of bar 81 places the groove 84 that forms on the vertical support arm 86, and supporting arm 86 is connected on the diapire of housing 14 by securing member 88.The other end of bar 81 is connected on the corresponding rotor 90, so that each bar 81 rotates around its axis.As shown in the figure, rotor 90 is by motor 91 driven rotary.Rotor 90 is by vertical support 92 supportings, and vertical support 92 is connected on the diapire of housing 14 by securing member 94.In addition, rotor 90 also can be driven by the air stream from air blast 60, and air blast 60 is installed on the respective vanes of rotor.Preferable case is, rotor 90 rotates flickering unit 62 and 64 along the direction of arrow among Fig. 2 93, like this, the apparent effect that moves upward just occurred on reflected light image, and this has just simulated the effect that gas moves upward in the combustion flame.Certainly also can use the move upward method of effect of other analog gas.Such as, motion, an installation light source (not shown) in the opaque screen of part (not shown), to produce required light effects.Can also imagine, can use flickering unit 62 and 64 or above-mentioned gas analogue means and separately without flame effect component 58.Verified, use flickering unit 62 and 64 can produce effect true to nature separately, although so true to nature when being used in combination with flame effect component 58.
As can be seen from Figure 2, the position of bottom flickering unit is lower slightly than the upper end horizontal plane of fuel bed 26.This makes when a people watches before fireplace, obtains the effect that the fuel bed near surface produces the coloured flame and the gas that moves upward easily.Similarly, the top flickering unit is positioned at the horizontal plane of fuel bed 26 tops, when a people watches before fireplace, obtains a distance, fuel bed top easily and produces coloured flame and the effect of the gas that moves upward like this.In addition, upper and lower flickering unit 62 and 64 has been improved the luminous intensity of simulating flame and gas.
More carefully referring to Fig. 7, what wherein shown the top flickering unit is with 82.Each is with 82 all by reflecting material such as MYLAR
TMMake, the color that preferably has with 82 is blue or red tip 96 and silver color belt body 98, though the belt body of full silver color also successfully used.But have the red zone point with 82 rectangular material 83 and have the blue ribbon point with 82 rectangular material 83 all distaff 81 reel.As shown in Figure 6, on the whole length range of flickering unit 62, the combination with 82 blue and the red zone point extends radially out from bar 81.So, top flickering unit 62 reflective white, redness and blue light, these light and by flame effect component 58 transmissions.
As shown in Figure 8, bottom flickering unit 64 comprises the faciola 82 of closely arranging, and it is by reflecting material such as MYLAR
TMMake.Be with 82 or flavous, or red.Have red zone 82 and but golden combination distaff 81 with 82 rectangular material 83 is reeled, producing the outward appearance of overall redness and goldleaf, so, bottom flickering unit 64 reflection yellow and red light, these light and by flame effect component 58 transmissions.
In use, flickering unit 62 and 64 is rotated by rotor 90, and the reflecting surface of this belt transect 82 just passes through slit 66 reflection colours of the flame effect component 58 of fluctuation, and produces the effect that burning gases move upward.By being similar in color of bottom flickering unit 64 reflections in the flame color of fuel bed 26 near surfaces.The flame color of distant place slightly that is similar in color in fuel bed 26 surfaces by 62 reflections of top flickering unit.Top flickering unit 62 have more sparse arrange be with 82, its objective is generation reverberation more at random, with the stronger flickering flame of innervation of simulated fuel bed 26 tops one segment distance.On bottom flickering unit 64, tightr arrange produce more constant reverberation relatively with 82, with the more constant flame of simulation with fuel bed 26 adjacents.
Figure 10 shows that the another kind of layout of flickering unit 62 and 64.Top flickering unit 62 is positioned at than lower a little the place of fuel bed 26 upper end horizontal planes.Bottom flickering unit 64 is positioned at than the higher slightly place of fuel bed 26 lower end horizontal planes.Bottom flickering unit 64 is positioned at than the higher slightly place of fuel bed 26 lower end horizontal planes.
Figure 11 shows that a kind of improved vertical screen 42 '.The screen the front comprise a partial reflection surface 44 ', it is divided into Wu Ze district 200, transition region 202 and echo area 204 again.Echo area 204 be positioned at vertical screen 42 ' the lower end, produce simulate effects thereby its size is enough to reflect fuel bed 26.Simultaneously, echo area 204 again can not be excessive, so that reflect undesired image, such as the floor of adjacent fireplace front.For this reason, vertically shield 42 ' therebetween and comprise Wu Ze district 200 with the upper end.Wu Ze district 200 is through rough polish, and it is reflected image not, but allows again simultaneously by vertical screen 42 ' see simulating flame image.Transition region 202 comprises that the Wu Ze district 200 of a non-reflection is to the transition region gradually between the echo area 204.
Figure 12 shows that improved fuel bed 26 '.This fuel bed 26 ' comprise is made by ceramic material and is tinted with the first 206 of simulated logs.This 26 ' also comprises by plastic material and makes and tint with the second portion 208 of simulation ashes bed.Preferred ashes bed 208 be translucent, and the light of the fuel bed lighting fixture of introducing from light source 30 or front with permission 100 passes through.Verified, adopt ceramic material and flexibly mould can finish simulation more accurately to timber 206.The also available plastics of ashes bed 208 are made by vacuum forming method.To place ceramic timber 206 above this bed.This ceramic timber 206 is to be bonded on the ashes bed 208 to form fuel bed.
Figure 13 and 14 is depicted as the 3rd preferred embodiment of flame simulating assembly 10.For simplicity, adopt identical digital code to represent identical assembly.The 3rd embodiment do not comprise air blast 60 or the lightweight flame effect component 58 that seethes in the air stream of air blast.The substitute is an improved flame effect component 58 ', place after the screen 42 and the basic whole width of crossing over screen 42.Improved flame effect component 58 ' profile be similar to flame effect component shown in Figure 5 58.But, after improved flame effect component 58 ' preferably the place screen 42 on the about 3 inches vertical substantially plane (apart from flickering unit 62 and 64 about 1/2 inch).Preferred assembly 58 ' be is made by the material of rigidity (as plastics or thin steel) more, and it will be maintained fixed in the upright position like this.Assembly 58 ' also can adopt light material such as polyester, stretching, extension is tightened to the upright position.And should be appreciated that assembly 58 ' the upright position be not strict, as long as the light that can make as mentioned below passes through.
Flame effect component 58 ' on cut out one group of slit 66 ', shield 42 to allow light from light source 30 to pass flame effect component 58 ' arrivals.Although improved flame effect component 58 ' maintenance relative fixed is because light reflects by flickering unit 62 and 64 during by slit 66, so still can see the flame simulating effect.
Improved flame effect component 58 ' be clipped between upper and lower bearing assembly 210 and 212 to support the flame effect component of vertical position.Lower horizontal bearing assembly 50 also plays a part horizontal opaque screen 214 as one of lower support element, with stop light from shield 42 and flame effect component 58 ' below by.By this way, basically all light that arrive screen 42 all by flickering unit 62 and 64 reflections and by flame effect component 58 ' slit 66 '.Upper and lower bearing assembly 210 and 212 is fixed on the sidewall 23 of housing 14 by securing member 216.
The another kind of selection is assembly 58 ' can make the horizontal anomalous movement hinge in its lower end.Part below this hinges can be connected to screen 42, and plays a part horizontal opaque screen 214.Part above the screen is at least in the top by 210 supportings of upper support assembly.Hinges allows assembly 58 ' by described moving up and down hereinafter.
Preferred flame effect component 58 ' can on the direction of arrow 218, do motion up or down with respect to screen 42.This is to realize by the height adjustment mechanism shown in 220.This mechanism 220 comprises a wire 222 that is connected to flame effect component 58 ' top.Wire 222 extends through pivot pin 224, and is connected to the end of height adjustment knob 226 at its other end.Height adjustment knob 226 is stretched out from the front of control module 21, and it can inwardly and outwards move by the front panel with respect to control module 21 on the direction of arrow 228.Height adjustment knob 226 comprises one group of tooth 230 with front panel 232 engagement of control module 21, so that knob 226 can be inwardly or outwards is clamped on one of one group of position with respect to control module 21.Verified, by raise by predetermined amount or reduce flame effect component 58 ', can strengthen or weaken the effect of simulating flame sensation intensity (brightness of flame and size).We think the change of this intensity be because flame effect component 58 ' on be formed with the slit 66 that varies in size ', the observer who is in fireplace 12 front diverse locations can see this variation more or less.It also will be understandable selecting other height adjustment mechanism.Such as, by cam gear with knob 226 be connected to flame effect component 58 ' on, thereby make the up and down mechanical movement of assembly 58 ' do.
Embodiment shown in Figure 13 further comprises a simulated combustion screen 234 on the front 232 that covers transparent front panel 24.Simulated combustion screen 234 is preferably a knitmesh, and this resembles the equipment of the used obstruction spark of traditional fire that people know.The top of knitmesh screen 234 and bottom are fixing by the pin 236 that the antetheca 20 from housing 14 stretches out.In addition, simulated combustion screen 234 also can adopt silk screen printing technology or similar approach directly to make on transparent front panel 24.Verified, simulated combustion screen 234 can reduce any high light or reverberation, if there is not this screen, just may see this high light on transparent front panel 24.
Figure 15 shows that further improved vertical screen 42 ".This screen 42 " generally is transparent, and has a partial reflection surface 44 " and a scattering region 46 that passes its thickness ".The light of this screen 42 " be by substantially transparent but the translucent material of part is made, be preferably on its whole thickness to have slight dimness or cloudy appearance, like this, by shielding 42 " will partly see through and the part scattering.A kind of gratifying material is a polystyrene, by adding a certain amount of white powder pigment such as titanium dioxide, just can produce the outward appearance of slight muddiness.The preferred size size of dye material is fine level, like this, " just can form uniform dimness or cloudy appearance at scattering region 46.By change join scattering region 46 " plastic composite in amount of pigment can control scattering region 46 " the scattering degree.When scattering region 46 " the scattering degree that can reach should be like this: promptly when by partial reflection element 44 " is observed, can be by scattering region 46 " thickness see three-dimensional flame.
Projected light by simulating flame is at screen 42 " thickness on scattering gradually, improved screen 42 " can provide the apparent thickness of simulating flame, produce the image of three-dimensional flame.And improved screen 42 " needn't depend on sand milling or etched surfaces produces scattering effect, install 10 manufacturing so simplified.
Figure 16 shows that further improved vertical screen 42 .This shields 42 and is made of reflecting element 44 and dispersing element 46 .Reflecting element 44 are made as half silver-plated glass by partially transparent, partial reflection material.Dispersing element 46 are made by trnaslucent materials, and this material part transmissive portions divides scattering to pass through the light of dispersing element 46 .Dispersing element 46 also can provide one and scattering surface 46 similar etching or sand milling scattering surfaces by making with screen 44 used materials similar.In addition, trnaslucent materials such as white polystyrene and polypropylene also are suitable for dispersing element 46 .When adopting trnaslucent materials, the thickness of certain material that select to be used for dispersing element 46 is so that dispersing element can be from fixing, and keeps enough translucent, and like this, 44 can observe flame effect by the partial reflection element.Dispersing element 46 might not comprise above-mentioned diffuser screen assembly 46 ".
Dispersing element 46 are not the planes, but along its length and width flexure, and crooked direction and degree all change along the vertical and horizontal direction of dispersing element 46 .Dispersing element 46 can be that required form is made by making the vacuum forming of a slice plastic plate.In vertical direction, the degree of crook of dispersing element 46 bottoms preferably will match with the outer visual position of fuel bed 26 among reflecting element 44 (26 ' expression), so that provide such outward appearance, the simulating flame of projection is dispersed from the reflected image 26 ' back of fuel bed 26.Such as, if fuel bed 26 comprises the timber of simulation, project to that simulating flame on dispersing element 46 just seems as if the reflected image 26 ' disperse later of simulated logs from fuel bed 26.Along on the horizontal direction of fuel bed 26, the degree of crook of dispersing element 46 bottoms is preferably according to a specific angle, in this angle, simulated logs well as if place fuel bed 26, and with reflecting element 44 in the visual position of timber (26 ' expression) coincide.On the horizontal level that does not have simulated logs to occur on the fuel bed 26, dispersing element 46 local bucklings are with close with reflecting element 44 , thereby provide such vision, and the simulating flame of projection is risen from the ashes between the simulated logs of fuel bed 26.
Along with dispersing element 46 from fuel bed 26 vertical lifting, it more approaches reflecting element 44 with bending, thereby produces such phantom: the simulating flame of projection is thereon reeled above the timber of fuel bed 26.The degree of crook on selective scattering element 46 tops on demand also is with the disturbance and the stochastic model of simulation real flame.
Vertically screen assembly 42 are that simulating flame has increased more 3-D effect.When observing by partial reflection element 44 , simulating flame looks like from the simulated logs back generation of fuel bed 26 and by three-dimensional path, and flame is to rise from fuel bed 26 seemingly, and this has just simulated the effect of real logs flame more accurately.
Figure 15 to 17 is depicted as the 4th embodiment of flame simulating assembly 10.For simplicity, adopt identical label to represent identical assembly.The 4th embodiment do not comprise the lightweight flame effect component 58 of air blast 60 or fluctuation in the air stream of air blast 60.On the contrary, improved and simpler flame effect component 58 " the places screen 42 " back of (also can equivalence using screen 42 as shown in Figure 2) and the front of rear wall 300, and the basic screen 42 of crossing over " whole width.As shown in figure 17, improved flame effect component 58 " has reflecting surface 302 and generally has the profile of imitation flame.Rear wall 300 has non-reflecting surface, and in a preferred embodiment, assembly 58 " is one and is coated in rear wall 300 lip-deep reflectivity stamp glazes.Be the color of simulating nature flame, preferred flame effect component 58 " color be: green or blue bottom 304 and argenteous main body 306.Color between the blue portion 304 and argenteous 306 is transition gradually, and promptly the intensity of 304 part bluenesss weakens gradually and disappears in the silvery white part 306.
Once more referring to Figure 15, one places fuel bed 26 belows along the single flickering unit 62 of rotating on the direction 93, and at flame effect component 58 " the front.What adjacent this flickering unit 62 was placed later is light source 30.A light-blocking block 310 is used to stop the light of light source 30 directly to arrive flame effect component 58 ".Therefore, have only basically from the light of flickering unit 62 reflections to arrive flame effect component 58 ", reflex to also transmission then and pass screen 42 ".The apparent intensity of simulating flame is proportional to the speed that flickering unit 62 is rotated.Also can provide the speed Control (not shown) of a flickering unit 62 so that the user changes the apparent intensity of simulating flame.
The fixing silk screen assembly 58 on the flame assembly 58 " introducing eliminated before paste screen 42 ".And the needs to air blast 60 and bottom flickering unit 64 have been eliminated in improved design, thereby make the manufacturing of device 10 and safeguard more simple.Further,, can obtain more succinct flame simulating assembly 10, perhaps fuel bed 26 can be moved away front panel 24 after further, thereby make device 10 seem darker, more probable fireplace by flickering unit 62 is placed under the fuel bed 26.In addition, by having eliminated having the needs of scintillation intensity light source 30, flickering unit 62 reorientate the further the present invention that simplified.
Embodiment shown in Figure 15 can further comprise a transparent light random distribution panel 312, places between fuel bed 26 and the flickering unit 62.This panel 312 is preferably with glass or optical plastic to be made, and has nonplanar surperficial 314 and 316.The surface 314 and 316 respectively has convex surface and concave regions, and two districts are smooth and be adjacent to mutual fusion, thereby form the panel 312 with variable thickness.By means of the zone of different focal, to reflex to the light of fuel bed 26 from flickering unit 62, panel 312 plays a part compound lens during use, and flickering unit 62 is rotated on direction 93.The effect of the similar compound lens feature of panel 312 be when reflection ray passes fuel bed 26 periodic variation from the direction of the light of flickering unit 62.The result is that the simulation coke of fuel bed 26 seems to glimmer on random direction, not just on the rotation direction of flickering unit 62.
Figure 18,19 and 20 is depicted as further improved flame simulating assembly 10, and it has simulation brick or stone wall with flues 400.For simplicity, adopt the identical label that uses previously to represent identical assembly.Referring to Figure 19, simulation wall with flues patterns 402 and 404 is applied to the both sides of the inner surface and the sidewall 23 of transparent front panel 24 respectively.Wall with flues patterns 404 is to realize by coat patterns 404 or similar approach at two inner surfaces of sidewall 23.As further explanation hereinafter, patterns 402 is applied to the inner surface of transparent front panel 24, preferably adopts the silk screen method to coat a series of color dot with the random distribution pattern and realizes.These color dot are coated on the wall by this way, and the observer who consequently is positioned at transparent front panel 24 fronts is not easy to notice these points that are coated on panel 24 inner surfaces, still, can see these reflecting effects on reflecting surface 44.This effect has provided the phantom that wall with flues appears at the simulating flame image back that fuel bed 26 produces.Below roof 16, there is a light source 57 to be used to illuminate patterns 402, to strengthen its reflecting effect on surface 44.In order to produce the effect of more real irradiation pattern pattern 402 and 404, light source 57 is glimmered at random with the irradiation of simulation real flame to simulation wall with flues 400.The flicker of light source 57 can be controlled the power supply that (not shown) puts on light source 57 by integrated circuit and realize.
Figure 20 shows that and use the method for optimizing of patterns 402 to front panel 24 inner surfaces.At first, the little color dot 406 of random distribution is added on front panel 24 inner surfaces.Although be at random, the distribution of color dot 406 on whole front panel 24 inner surfaces has goes up identical dot density per square inch.The preferably whole equal and opposite in directions of point 406.The size of selected element 406 and density should make the observer be not easy to notice a little 406 existence, and only are delivered to effect on glass in point 406 existence and may be seen indistinctly on transparent front panel 24.This effect reaches best during point 406 painted blacks.Preferred employing silk-screen process will be put 406 and be applied on the inner surface of panel 24.In case applied a little 406, just on point 406, add one group of color dot 408 again, its spot diameter is slightly less than a little 406.Point 408 diameter is slightly less than a little 406 and concentrate and be applied to a little above 406, will can not notice and put 408 existence on transparent panel 24 inner surfaces thereby assurance is positioned at the observer of device 10 fronts.Applying of point 408 also is preferably to adopt silk-screen process.Point 408 is preferably two kinds of colors, and a kind of is the color of simulation fragment of brick, and another kind is the color of simulation mortar between the simulation fragment of brick.The preferred colors of specified point 408 should be able to obtain whole fragment of brick and mortar is the effect that is built on front panel 24 inner surfaces.
During use, the observer who is positioned at flame simulating assembly 10 fronts is not easy to notice point 406 on transparent front panel 24 inner surfaces and 408 existence, and still, the reflecting effect of color dot 406 on reflecting surface 44 but is easy to be seen by the observer.Simulation wall with flues 400 In the view of the observer be in fuel bed 26 back, front panel 24 is apart from the distance twice place of fuel bed 26 back.Randomly distributed point 406 has been avoided visible interference pattern pattern on the total inner surface of plate 24 in front.If these points are to be distributed in regularly on the inner surface of front panel 24, this interference pattern pattern just may occur, this interference pattern pattern is to put on the point 406,408 that exists on plate 24 inner surfaces in front and the reflecting surface 44 between 406,408 the reflected image to produce.The point 406 that distributes with isodensity has per square inch guaranteed to put 406, and to be applied to the effect of maying be seen indistinctly on the front panel 24 be uniform on whole front panel 24.Patterns 402 selected colors also are the colors that is used for patterns 404 on the sidewall 23.Patterns 402 and 404 lays respectively on the inner surface of front panel 24 and sidewall 23, and like this, the apparent fragment of brick of two kinds of patterns and mortar feature just match with actual pattern.
Obviously, simulation wall with flues patterns 402 also can adopt alternate manner to realize.Such as, can use U.S. Patent No. 5,525, a kind of CLEAR#FOCUS that describes in 177
TMUnidirectional image display panel (not shown).Simulation wall with flues patterns 402 can be applied to CLEAR#FOCUS
TMThe display surface of panel, this display surface is applied to the inner surface of front panel 24 again, and like this, the observer who is positioned at flame simulating assembly 10 fronts just can not directly see patterns 402, but can see the reflecting effect of patterns 402 on the reflecting surface 44.In another embodiment, screen 24 (not shown) substitute before grid flame of transparent front panel 24 usefulness, and employing is tinted or similar approach adds simulation wall with flues patterns 402 at the inner surface of flame screen 24.If carefully tint to guarantee that 402 of patterns are coated in the inner surface of flame screen 24, the observer who stands in flame simulating assembly 10 fronts just can not directly see patterns 402.But the observer can see the reflecting effect of patterns 402 on reflecting surface 44.
Obviously, produce the device of simulating wall with flues 400 and can be successfully used to any fireplace with front panel 24 and reflecting surface 44.Be apparent that especially, adopt simulation wall with flues 400 can strengthen the appearance of natural gas or propane fireplace greatly.By adopting the present invention to produce the measure of the device of simulation wall with flues 400 as the saving space, the degree of depth of fireplace may reduce, yet the observer will not see that the fireplace degree of depth reduces.
Shown in Figure 21 for be used for top flickering unit 62 improvedly be with 82 '.Because what in the past the tangible straight line of flickering unit 62 profiles provided is significantly straight reverberation of profile, this has weakened the sense of reality of flame simulating, improved is with 82 here ' have a curvilinear cut limit 82c.The result is the improved top flickering unit 62 of a reflection nonlinear type light, and the light of reflection transmission again passes flame effect component 58.Catoptrical nonlinear characteristic makes catoptrical flicker pattern seem more at random, thereby more natural, so improved the sense of reality of simulating flame flicker.
Shown in being appreciated that above is the preferred embodiments of the present invention.However, the present invention allows in the spirit of understanding the invention described above fully and hereinafter carries out certain change and alternative embodiment in the scope of claims.
Claims (2)
1. a flame simulating assembly (10) comprising:
A simulated fuel bed (26); With
A light source (30);
Described flame simulating assembly (10) is characterised in that it has
Screen (42) with partial reflection front surface (44) and rear surface (46), the back that described partial reflection front surface (44) is arranged on described simulated fuel bed (26) is used for reflection ray, so that an image of described simulated fuel bed (26) to be provided in described screen (42), and transmission light, the back that described rear surface (46) are arranged on described front surface (44) is used to disperse and transmit light;
At least one flickering unit (62,64), comprise that one defines the bar (81) of the longitudinal extension of an axis and from the radially-protruding basically a plurality of reflecting surfaces of described bar (81) (82), described at least one flickering unit (62,64) can rotate around described axis by a rotor (90), and described at least one flickering unit (62,64) is set on the opticpath from described light source (30), to produce passage of scintillation light;
Described flame simulating assembly also comprises a flame effect component (58 '), described flame effect component (58 ') is positioned on the path of the scintillation light between described at least one flickering unit and described rear surface (46), described flame effect component (58 ') comprises a plurality of slits (66 '), pass through with the light of permission from described light source
Therefore, transmit and will constitute the flame image that the front surface (44) that passes described screen transmits by passing slit (66 ') in the flame effect component (58 ') from the scintillation light of light source (30).
2. flame simulating assembly according to claim 1 (10) also comprises a paraboloid (40), is used for from described light source (30) towards described at least one flickering unit (62,64) reflection ray.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2,175,442 | 1996-04-30 | ||
| CA 2175442 CA2175442C (en) | 1996-04-30 | 1996-04-30 | Flame simulating assembly |
| US08/801,469 US6047489A (en) | 1996-05-17 | 1997-02-18 | Flame simulating assembly and components therefor |
| US08/801,469 | 1997-02-18 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB971955867A Division CN1299049C (en) | 1996-04-30 | 1997-04-30 | Flame simulating assembly and components thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1410705A CN1410705A (en) | 2003-04-16 |
| CN100339638C true CN100339638C (en) | 2007-09-26 |
Family
ID=25678445
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021480915A Expired - Lifetime CN100339638C (en) | 1996-04-30 | 1997-04-30 | Flame simulator and assembly thereof |
| CNB021480907A Expired - Fee Related CN1306209C (en) | 1996-04-30 | 1997-04-30 | Flame analog device and its module |
| CN02148092.3A Expired - Lifetime CN1201110C (en) | 1996-04-30 | 2002-10-25 | Flame simulator and assembly thereof |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021480907A Expired - Fee Related CN1306209C (en) | 1996-04-30 | 1997-04-30 | Flame analog device and its module |
| CN02148092.3A Expired - Lifetime CN1201110C (en) | 1996-04-30 | 2002-10-25 | Flame simulator and assembly thereof |
Country Status (9)
| Country | Link |
|---|---|
| EP (5) | EP0897514B1 (en) |
| JP (1) | JP3575768B2 (en) |
| CN (3) | CN100339638C (en) |
| AT (3) | ATE278159T1 (en) |
| AU (1) | AU734355B2 (en) |
| DE (3) | DE69731011T2 (en) |
| NZ (1) | NZ333010A (en) |
| PL (1) | PL183547B1 (en) |
| WO (1) | WO1997041393A1 (en) |
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| US8234803B2 (en) | 2010-06-08 | 2012-08-07 | Heat Surge, Llc | Reflective device for an electric fireplace and an electric fireplace incorporating the same |
| US8671600B2 (en) | 2012-03-29 | 2014-03-18 | Dongguan Song Wei Electric Technology Co., Ltd. | Electric fireplace |
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| US8671600B2 (en) | 2012-03-29 | 2014-03-18 | Dongguan Song Wei Electric Technology Co., Ltd. | Electric fireplace |
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