CN2685744Y - Electric fireplace - Google Patents

Abstract

The utility model relates to an electrical fireplace, which comprises a housing of the electrical fireplace. An electric warm air mechanism and a flame simulation mechanism are arranged in the housing; the flame simulation mechanism comprises a simulation fuel bed arranged at the front position of the hollow cavity of the housing; a flame image-forming screen is arranged near the rear of the simulation fuel bed; the rear position in the hollow cavity of the housing is provided with a luminous source. The electric fireplace is characterized in that a revolving barrel is sheathed outside the luminous source; the surface of the revolving barrel is distributed with a plurality of flame holes which cause the light of the inside luminous source to emit out to be projected onto the flame image-forming screen to become combustion flame patterns; the revolving barrel is connected with an electric motor via a driving device. The rising combustion effect of the flame simulated by the electric fireplace is more vivid and natural; the electric fireplace further overcomes the abuses that the simulation flame of the traditional electrical fireplace is monotonic, stiff and graphic, whereas the electrical fireplace has very simple and compact structure, easy manufacture and low cost, and is suitable to be popularized and used on the electrical fireplace.

Description

The electricity fireplace

Technical field

The utility model relates to a kind of space heater technical field, especially relates to electric fireplace.

Background technology

Along with improving constantly of living standards of the people, the decoration of people's home dwelling is also superior day by day.Usually have imitation European at the residential building of China's Coastal Areas, in the hall, also be provided with fireplace, but this fireplace generally only decorates, can not be used for the heating of making a fire.The someone designs a kind of electric heater of imitative fireplace for this reason, and it can be warmed oneself, and is easy to use again, and can be used for decorating.As number of patent application is 97195586.7 Chinese patent " flame simulating assembly and assembly thereof ", and it includes a light source; A flame effect component, have with from the light transmission of described light source 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 extends, 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, on screen, demonstrate the image of fuel bed, and dynamic flame image looks like and produces between the image on the screen in simulated fuel bed and it, it no doubt has its progressive one side, but the light that to be it send light source of blemish in an otherwise perfect thing reflexes on the flame shaped wall of flame effect component through the reflective brush of flickering unit, behind the loophole by the flame shaped wall flame profile, become the imaging on imaging screen of flame profile light shafts, pass through cladding glass again, make eye think that flame is in continuous burning, because its structure is to utilize reflective brush reflection ray to form, so light ray energy does not make full use of, part scattering is fallen, so flame combustion intensity is limited, sometimes can make the people feel that the flame on the cladding glass is bright inadequately red as fire and true to nature; In addition, the flame shaped wall of its flame effect component is fixing dead, motionless, and institute lacks variation so that to project the light shafts that imaging on the imaging screen goes out flame pattern also be fixing dead, and is so the flame that imaging is come out is more dull inflexible, lively inadequately.The Chinese patent of the patent No. 01113160.8 " flame imitation device in the electric heater " has been done new improvement for this reason, it includes dynamic light source, have the flame shaped wall of various flame profile loopholes, translucent imaging screen, translucent two-way mirror screen, make the unit of plastic of trunk charcoal bulk, the front of flame shaped wall is an imaging screen, settle the two-way mirror screen then again in the imaging screen front, the front of two-way mirror screen is placed with unit of plastic, the opposite side of flame shaped wall is a dynamic light source, it is characterized in that dynamic light source is to be provided with light-emitting lamp in the diffuser of hollow cylindrical, the diffuser surface distributed has loophole, diffuser and lamp bracket are fixed together simultaneously, connect the motor that drives its rotation by transmission mechanism then, the light direct irradiation that flame simulation structure employing diffuser loophole in the Imitation Fireplace Electric Heater of this invention shoots out is on flame shaped wall, behind the loophole by the flame shaped wall flame profile, become the flame profile light shafts and throw imaging on imaging screen, pass through cladding glass again, make eye think that flame is in continuous burning, so flame effect is more true to nature and bright, has progressive meaning, but, the flame shaped wall of its flame effect component still is fixing dead, motionless, so its flame lacks the variation of vacillating dynamically, degree true to nature still can further be improved and be perfect.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of electric fireplace at existing background technology, the flame rising combustion efficiency nature more true to nature that it simulates out, further overcome the drawback of emulation flame dullness in the traditional electrical fireplace, inflexible, imageization, and the very simple compactness of structure, make easily and produce, with low cost.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of electric fireplace, it includes the casing of electric fireplace, electric warm-air machine structure and flame simulating mechanism have been installed in the casing, flame simulating mechanism includes the emulation fuel bed in the chassis cavity anterior position, back near the emulation fuel bed is provided with the imaging combustion screen, the rear position is provided with light source in chassis cavity, it is characterized in that: the light source outside is with rotating cylinder, the surface distributed of rotating cylinder has a plurality of glory holes, glory hole allows the light of the inside light source shoot out and projects on the imaging combustion screen becomes the combustion flame pattern, and rotating cylinder is connected with motor by transmission mechanism.

Useful is, above-mentioned imaging combustion screen front is provided with mirror image glass, it utilizes optical principle to further expand the space or depth perception of burner hearth, make the people think that electric fireplace furnace is very dark, seem very many of firewood and charcoal piece, flame up emits from the centre of firewood and charcoal piece, simultaneously chassis cavity the place ahead wall is made the burner hearth shape and the color of nature, make electric fireplace the same, flame is really true to life, reach the effect of mixing the spurious with the genuine with true fireplace.

What be highly profitable is, its structure of above-mentioned light source is to be provided with in the casing to be fixed with fluorescent tube, the sheathed fixed grating tube in fluorescent tube outside, grating tube surface has a plurality of loopholes, loophole is arranged in the cardinal principle linearity or is distributed in the zone of strip, and it makes grating tube surface emitting go out many light shafts that traverse electric fireplace furnace, and has avoided the rotation of light source, thereby avoided the conductive structure of special complexity, made electric fireplace assemble production easily.

What be highly profitable is, its structure of above-mentioned light source also can be designed as to be provided with in the casing and is fixed with fixed leg, be provided with on the fixed leg and be fixed with a plurality of illuminators, illuminator can adopt small lamp bulb or light emitting diode, and illuminator is arranged in the cardinal principle linearity or is distributed in the zone of strip, and it can reach the effect of light source noted earlier basically, and structure is also very simple, install easily, because fixed leg is motionless, so also do not need the complicated conductive structure of conduction brush and so on.The light source of this structure is as using high brightness LED, even can omit the grating tube.

Very useful is, above-mentioned light source and grating tube can be made an integral body, from jack in side of electric fireplace casing, insert, be screwed then, power line is also from access here, and rotating cylinder early is fixed on the motor output shaft of casing another side, and is enclosed within the outside of grating tube, mutually noninterfere is installed like this, keeps in repair very convenient.

Very perfectly be, above-mentioned glory hole shape can be made various flame flare shapes, and be multiple lines and multiple rows shape random alignment, the simulation that can be really true to life after it makes the light shafts that pass through the rotating cylinder glory hole project on the imaging combustion screen goes out the flame combustion efficiency, the effect that not only has flame flicking, and have dynamically a rise effect of distortion of flame, and big or small flame appears at variations of can vacillating randomly of position on the imaging combustion screen, and this is that generally traditional flame simulating assembly is too far behind to catch up.

Useful improvement is, above-mentioned emulation fuel bed employing glass fibre and polyester material are into a single integrated structure with the mold integral compacting, this material also is commonly called as and is " fiberglass ", the coating of different colours and material is gone up in its surface spraying, the charcoal piece that its picture is being burnt, be provided with the bulb of the deepening that can brighten below, it adopts white glass steel material mold integral pressing process, can make the emulation fuel bed do more true to naturely, and structure is very simple, be installed in the chassis cavity by fixture easily, and its inner cavity vacating space is used for bulb is installed, improved space availability ratio, under the equal conditions, the chamber design of electric fireplace can be become very big, reach powerful effect.

Useful is, above-mentioned motor is fixed on the chassis cavity outer wall, and the side of rotating cylinder directly is fixed on the output shaft of motor, and it has simplified transmission mechanism, reasonable in design, and assembling and transmission easily, and further reduced production cost.

At last, the actual power size and the big or small control circuit that synchronous interaction takes place of light-source brightness that make motor speed speed, electric warm-air machine structure are installed in the casing, it can regulate flame size, flash intensity simultaneously, be consistent with the hot blast effect of electric warm braw, superpower hot blast, charcoal occurs that brightness is big, the flame rate of climb is fast, present the effect that blazes, otherwise, low power hot blast, charcoal occurs that brightness is little, the flame rate of climb is also slow, so use can be true to nature more naturally for electric fireplace.

Compared with prior art, advantage of the present utility model is: the glory hole with traditional electrical fireplace flame effect component flame shaped wall designs on rotating cylinder dexterously, and light source is motionless, not only avoided dynamic light source to need complicated conductive structure, and, also avoided the dull inflexible drawback of flame effect component flame shaped wall of traditional electrical fireplace, make glory hole activity veritably, the combustion flame pattern that light shafts are imaged on the imaging combustion screen has also been lived, rather than stiff patterned flame, make the flame simulating nature more true to nature of electric fireplace, and structural design ten minutes advantages of simple compactness, assembling is produced easily, and further reduce cost, making the easier people's of pressing close to of electric fireplace life, is the very desirable electric fireplace of a design, is fit to promote the use of.

Description of drawings

The front schematic view of Fig. 1 electric fireplace of the present utility model;

Fig. 2 electric fireplace structure cutaway view of the present utility model (side);

Fig. 3 electric fireplace structure front section view of the present utility model (front);

The structure cutaway view of Fig. 4 grating tube;

The expanded view of Fig. 5 rotating cylinder;

Fig. 6 electric fireplace optical imagery schematic diagram of the present utility model.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Anticipate as shown in the figure, a kind of electric fireplace 1 is seen Fig. 1,2, and it includes the casing 16 of electric fireplace, and casing has been installed electric warm-air machine structure and flame simulating mechanism for 16 li.

Wherein the casing 16 of electric fireplace adopts sheet metal to make, generally have roof, diapire, antetheca, rear wall composition, the inside is a chassis cavity 15, the part of antetheca can be that transparent panel or glass are made, and can move away, so that various mechanical parts, control circuit board and controller, switching knob of electric fireplace the inside or the like are installed.

See Fig. 1,2, the bottom of casing 16 has hot blast air outlet 4, the inside is exactly air channel 14,14 the insides, air channel are connected to air blast 13, air channel 14 is being provided with electric heater 12 near the air outlet place, air blast 13 can adopt wind wheel type, improve hot air-out effect, air blast and electric heater are connected with controller 3 on electric fireplace 1 panel by lead, constitute the electric warm-air machine structure of electric fireplace in general sense like this, certainly, electric fireplace also can adopt the electric warm braw structure of other structure, does not have restriction in principle.

The flame simulating mechanism of electricity fireplace includes emulation fuel bed 17, emulation fuel bed 17 is arranged on chassis cavity anterior position substantially, it adopts white glass steel material into a single integrated structure with the mold integral compacting, basically shape is translucent, imitative round log charcoal is block-shaped, the white glass steel surface spraying of emulation fuel bed 17 is coated, utilize the different ways of color of coating with transparency, make the part surface of emulation fuel present red as fire look, resemble and burn red charcoal, part presents black, resembles unburned charcoal, part is opaque then to resemble a timber, is really true to life.Emulation fuel bed 17 is presented substantially, before, back three side sealing closes shape, the bottom surface is an opening, the centre is a cavity 18, be convenient to install the bulb 11 of the deepening that can brighten in the bottom, the inside of emulation fuel bed, the brightness of bulb is by special control circuit control, make it can be according to the use watt level of electric warm-air machine structure in the electric fireplace, and the degree that the decision bulb is lighted, simultaneously control circuit is also controlled bulb and is brightened time interval of deepening, thereby vivo simulated the former charcoal lump effect of combustion on the emulation fuel bed, the control circuit design of relevant bulb, general Electronics Engineer is easy to be realized in conjunction with the conventional art means.In order to cooperate with the imaging combustion screen, emulation fuel bed rear wall 25 is made flat, and rear wall 25 bottom sides edge will mold side 26, thereby makes imaging combustion screen 6 and mirror image glass 5 directly be placed in the back of emulation fuel bed 17.What deserves to be mentioned is that also firewood can be designed to half block, be that its end face is half garden shape, diameter parts just is close to mirror image glass 5, by the reflection of mirror image glass 5, it just is a complete round log that the people is seemed, and flame scurries out in the middle of round log.

See Fig. 2, it is 6 adjacent in the back of mirror image glass 5 that imaging combustion shields, and it adopts translucent plastic plate to make, and it makes light shafts 24 by glory hole be incident upon on the imaging combustion screen 6 and carries out imaging, and imaging becomes the burned flame shape.Imaging combustion screen 6 can adopt reasonable project organization, its plastic body with rough irregular curved surface for adopting the plastic uptake technological forming to come out, on rough irregular curved surface, also smear translucent white latex, make the block of the different light transmittances that arbitrarily distribute on the curved surface, all around, distortion up and down take place in the imaging meeting of light beam on imaging screen like this, form natural charcoal piece burning pattern true to nature more.Front at imaging combustion screen 6 is band look translucent mirror image glass 5, it is gone up the dynamic flame pattern that forms with the imaging combustion screen and carries out colour filter, make the emulation flame of seeing corresponding with corresponding emulation fuel color, minute surface makes emulation fuel map out symmetrical pattern in the back in addition, increase the depth of field of emulation fuel assembly, the flame of generation is come up in the emulation fuel assembly, produce vivid effect more, it utilizes optical principle to further expand the space or depth perception of burner hearth simultaneously, make the people think that electric fireplace furnace is very big, and actual volume is little, as cooperation, chassis cavity 15 the place ahead walls are made the burner hearth shape and the color of nature, make electric fireplace the same with true fireplace, reach the effect of mixing the spurious with the genuine.

See Fig. 2,3, be provided with light source 10 in rear position, chassis cavity 15 the inside, key of the present utility model is: the structure of light source 10 is the fluorescent tube 9 that 16 li horizontally sets of casing are fixed with certain-length, fluorescent tube 9 can adopt fluorescent tube, fluorescent tube can directly be fixed on the lamp socket 21 of casing backing, fluorescent tube 9 outsides are with the grating tube 8 that metal is made, grating tube 8 surfaces have a plurality of loopholes, see Fig. 4, the loophole size adopts the aperture of ￠ 4.5-5.5, number is 10-20, be straight line and be distributed on grating tube 8 surfaces, and the line between loophole on this straight line and the fluorescent tube center and the angle between the horizontal plane to be controlled at suitable angle, make light shafts 24 by loophole 23 can be incident upon the imaging combustion screen and go up the appropriate location, see Fig. 6, generally will be from the beginning of emulation fuel middle part until its top.Certainly loophole also can be opened more more number, makes in its zone that is distributed in strip, and grating tube 8 generally will be traversed in the strip zone, and makes itself and line and the angle between the horizontal plane between the fluorescent tube center will be controlled at similarly suitable angle.Grating tube 8 can directly be fixed on the lamp socket of fluorescent tube, make light source and grating tube make an integral body, from jack in side of electric fireplace casing, insert, be screwed then, power line is also from inserting here, and rotating cylinder is fixed on the motor output shaft of casing another side, installs and fixes very convenient like this.Similarly, the structure of light source also can be fixed with the fixed leg of certain-length for 16 li horizontally sets of casing, because schematic diagram relatively simple for structure does not draw, please refer to Fig. 3 structure, be provided with on the fixed leg and be fixed with a plurality of illuminators, illuminator can adopt small lamp bulb or light emitting diode, illuminator is arranged in the cardinal principle linearity or is distributed in the zone of strip, the outside of fixed leg also can be with a grating tube 8, grating tube 8 ends are fixedly connected on the backing face of casing, have formed the light source of another structure like this.Overlap the rotating cylinder 7 that a metal is made again in the outside of grating tube 8, the surface distributed of rotating cylinder 7 has a plurality of glory holes 22, see Fig. 4 and Fig. 2, Fig. 6, thereby the glory hole 22 that makes flame shaped wall in the traditional electrical fireplace flame effect component is directly opened on rotating cylinder 7, make the light shafts 24 that come out in the glory hole present flamboyancy substantially, it projects on the imaging combustion screen 6 becomes the combustion flame pattern, optical principle as schematically shown in Figure 6.Glory hole 22 shapes are as various natural fire fireworks seedling shapes, and be multiple lines and multiple rows shape random alignment, generally with middle bobbin thread symmetric arrays for well, the glory hole of big flame flare is arranged on zone line, the glory hole of flammule flare is arranged on the position, both sides of zone line relatively, it is big, high, close that thereby the flame effect that makes electric fireplace is the mid portion flame of emulation fuel, otherwise and both sides.Expanded view referring to Fig. 5.The side end of metal rotating cylinder 7 is fixed with connector 19, and connector 19 directly is fixed on the output shaft of motor 20, and motor 20 is fixed on chassis cavity 15 outer walls, and as Fig. 3, the further like this transmission mechanism of having simplified has reduced production cost.Certainly rotating cylinder also can be in transmission connection by other transmission mechanism and motor, as train of reduction gears or pulley mechanism or the like.

Motor 20 is connected with the rotating speed controlling organization, the electricity fireplace is provided with actual power size and the big or small control circuit that synchronous interaction takes place of light-source brightness that makes motor speed speed, electric warm-air machine structure, when in case people regulate the emulation fuel combustion degree of electric fireplace like this, can automatically regulate the light luminance that electric warm braw hot blast temperature and emulation fuel combustion produce, make the electric heater of imitative fireplace use more true to nature, nature.

The outside of casing 16 puts ornamental frame face and shell just becomes a more complete electric fireplace.

The operation principle of this electricity fireplace is such: when start, the electric warm-air machine structure of electric fireplace 1 is started working, and resembles traditional similar principle of electric warm braw and carries out work, no longer carefully states here; The fluorescent tube 9 of light source 10 is lighted simultaneously, fluorescent tube 9 is emitted beam see through loophole 23 on the grating tube 8 that is enclosed within its outside, become the continuous line of point roughly, and rotating cylinder 7 constantly rotates counterclockwise under the drive of motor 20, make an a little continuous linear light line part pass glory hole 22 on the rotating cylinder 7, the light shafts 24 that become flamboyancy are incident upon on the imaging combustion screen 6, be imaged as the burned flame pattern, because rotating cylinder 7 constantly rotates counterclockwise, can further cause a kind of flame rising visual effect true to nature like this, the lower part flame that the imaging combustion screen is gone up the burned flame pattern constantly emerges in large numbers, distortion, grow up, and disappear one by one along with the rotation of rotating cylinder, may be that little light shafts by different distance pass in the same glory hole, and the glory holes of the different sizes of little light shafts possibility directive, so just cause the flame that changes unpredictably and vacillate at random on the imaging combustion screen, as if ordinary consumer is seen in the middle of emulation charcoal piece 2 is constantly burning, and the flame of emerging, thereby reach the flame simulating effect of electric fireplace.

Here it is emphasized that the utility model only done full and accurate description with regard to illustrated embodiments; can not be interpreted as restriction to protection domain of the present utility model; every new improvement of making on this basis or adopt some technological means that are equal to replace all is interpreted as the scope of asking for protection of the present utility model.

Claims (10)

1, a kind of electric fireplace, it includes the casing of electric fireplace, electric warm-air machine structure and flame simulating mechanism have been installed in the casing, flame simulating mechanism includes the emulation fuel bed in the chassis cavity anterior position, back near the emulation fuel bed is provided with the imaging combustion screen, the rear position is provided with light source in chassis cavity, it is characterized in that: the light source outside is with rotating cylinder, the surface distributed of rotating cylinder has a plurality of glory holes, glory hole allows the light of the inside light source shoot out and projects on the imaging combustion screen becomes the combustion flame pattern, and rotating cylinder is connected with motor by transmission mechanism.

2, electric fireplace according to claim 1, it is characterized in that its structure of described light source is to be provided with in the casing to be fixed with fluorescent tube, the sheathed fixed grating tube in fluorescent tube outside, grating tube surface has a plurality of loopholes, and loophole is arranged in the cardinal principle linearity or is distributed in the zone of strip.

3, electric fireplace according to claim 1, it is characterized in that its structure of described light source is to be provided with in the casing to be fixed with fixed leg, be provided with on the fixed leg and be fixed with a plurality of illuminators, illuminator is arranged in the cardinal principle linearity or is distributed in the zone of strip, this light source is overcoat one grating tube again, also can not overlap the grating tube.

4, according to claim 2 or 3 described electric fireplaces, it is characterized in that described light source and grating tube make an integral body, from jack in side of electric fireplace casing, insert, be screwed then, power line is also from access here, and rotating cylinder is fixed on the motor output shaft of casing another side.

5, electric fireplace according to claim 4 is characterized in that described imaging combustion screen front is provided with mirror image glass.

6,, it is characterized in that described glory hole shape as various flame flare shapes, and be multiple lines and multiple rows shape random alignment according to claim 1 or 2 or 3 described electric fireplaces.

7, electric fireplace according to claim 6, it is characterized in that described emulation fuel bed employing glass fibre and polyester material are into a single integrated structure with the mold integral compacting, the surface is coated with the coating of different colours and material, make it resemble the charcoal piece that is burning, be provided with the bulb of the deepening that can brighten below.

8, electric fireplace according to claim 7 is characterized in that described emulation fuel bed its rear wall is straight, and the rear wall bottom sides is along forming side, and imaging combustion screen and mirror image glass directly are placed on the side of emulation fuel bed rear wall.

9, electric fireplace according to claim 8 is characterized in that described motor is fixed on the chassis cavity outer wall, and the side of rotating cylinder directly is fixed on the output shaft of motor.

10, electric fireplace according to claim 9 is characterized in that its place ahead wall of described chassis cavity makes the burner hearth shape and the color of nature.

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