CN103047632A - Lighting exhaust fan, lighting module of lighting exhaust fan and control circuit - Google Patents
Lighting exhaust fan, lighting module of lighting exhaust fan and control circuit Download PDFInfo
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- CN103047632A CN103047632A CN2011103062970A CN201110306297A CN103047632A CN 103047632 A CN103047632 A CN 103047632A CN 2011103062970 A CN2011103062970 A CN 2011103062970A CN 201110306297 A CN201110306297 A CN 201110306297A CN 103047632 A CN103047632 A CN 103047632A
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Abstract
The invention discloses a lighting exhaust fan, a lighting module of the lighting exhaust fan and a control circuit. The lighting exhaust fan comprises an exhaust fan body, a cover body and the lighting module, wherein the cover body covers an air inlet of the exhaust fan body and comprises a plurality of exhaust grates and an opening, the plurality of exhaust grates are at least arranged on two opposite sides of the opening, the lighting module is embedded in the opening of the cover body and comprises a lamp casing, a lamp plate, a plurality of light-emitting diodes, a lamp shade and a plurality of scattering microstructures, light-emitting diodes are arranged on the lamp plate, the lamp shade covers the lamp casing, the lamp shade and the lamp casing form a lamp cavity between the lamp casing and the lamp shade, the lamp plate and light-emitting diodes are located inside the lamp cavity, and scattering microstructures are located on an inner surface of the lamp shade, which faces towards the lamp cavity.
Description
Technical field
The present invention is relevant for a kind of exhaust fan, and is particularly to a kind of illuminating exhaust fan and lighting module and control circuit.
Background technology
In the modern life, exhaust fan is present in each building widely, is beneficial to flowing of air in order to extract room air.Because the device of this type of extracting air can help to get rid of indoor peculiar smell, so modal occasion is generally at home bathroom or public lavatory.No matter be in bathroom, house or public lavatory, ceiling is except the installation of exhaust fan, and lighting is the most basic equipment of each interior space especially.In other words, for the function of asking illumination and ventilating, certainly will at least two devices such as lighting and exhaust fan to be installed on the ceiling.
Thus, relevant manufacturer develops various illuminating exhaust fans then.Yet, the existing employed lighting device of illuminating exhaust fan mainly utilizes osram lamp or Electricity-saving lamp bulb to carry out luminous lighting, because the restriction of the diameter dimension of bulb own, can't be made into the slim enclosing cover of small volume, and air quantity is subject to the restriction of air inlet pattern, and then reduces exhaust capacity and increase noise.
In sum, in existing illuminating exhaust fan, still exist part shortcoming and problem, with to be overcome.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of illuminating exhaust fan and lighting module thereof and control circuit, it utilizes light emitting diode to carry out luminous, illumination, the difficulty that is met with to overcome above prior art.
For achieving the above object, the invention provides a kind of lighting module of illuminating exhaust fan, comprise a lamp housing, a lamp plate, a plurality of light emitting diode, a lampshade and a plurality of scattering micro-structural.Described a plurality of light emitting diode is arranged on the lamp plate.Lampshade covers lamp housing, and and the common lamp chamber that forms of lamp housing between lamp housing and lampshade.Lamp plate and described a plurality of light emitting diode are arranged in the lamp chamber.And described a plurality of scattering micro-structural is positioned at lampshade in the face of an inner surface in lamp chamber.
By above-mentioned means, the lighting module of the illuminating exhaust fan of present embodiment can bring following advantages at least.The first, above-mentioned lighting module utilizes a plurality of light emitting diodes to throw light on since the light-emitting diodes pipe volume little, do not take up space, so can reach the purpose of lighting module slimming.The second, lampshade can arrange the multiple scattering micro-structural in the face of the inner surface in lamp chamber, also can help to destroy the total reflection of light to reduce the sense of discomfort that is produced when human eye is looked at straight, and then reaches best balance at light transmittance and lampshade mist degree.
The present invention also provides a kind of control circuit of illuminating exhaust fan.
According to an embodiment of the present invention, a kind of control circuit of illuminating exhaust fan comprises a power supply, a plurality of light emitting diode, at least one switch and an emission control circuit.Described a plurality of light emitting diode is electrically connected to power supply.Emission control circuit is electrically connected power supply, described a plurality of light emitting diodes and switch.Wherein, emission control circuit comprises a king light module, a night-light module, a closing module and a control module.The king light module is in order to light whole described a plurality of light emitting diodes.The night-light module is in order to light at least part of described a plurality of light emitting diodes.Closing module is in order to close whole light emitting diodes.The light emitting control module is in order to the state according to switch, select to start king light module, night-light module and closing module one of them.
In an embodiment, in the control circuit of aforementioned illuminating exhaust fan, this switch comprises one first switch and a second switch, and this control module is configured to start this king light module when this first switch open.
In an embodiment, in the control circuit of aforementioned illuminating exhaust fan, this switch comprises one first switch and a second switch, and this control module is configured to start this night-light module when this second switch is opened.
In an embodiment, in the control circuit of aforementioned illuminating exhaust fan, this switch comprises a cycling switch, and this control module is configured to the state according to this cycling switch, this king light module of loop start, this night-light module and this closing module.
In an embodiment, in the control circuit of aforementioned illuminating exhaust fan, this night-light module is in order to only to light described a plurality of light emitting diodes of part.
In an embodiment, in the control circuit of aforementioned illuminating exhaust fan, this night-light module is in order to lighting whole described a plurality of light emitting diodes, but makes described a plurality of light emitting diode only with the power light-emitting of part.
By above-mentioned means, the control circuit of the illuminating exhaust fan of present embodiment can bring following advantages at least: select king light module or night-light module to switch whole light emitting diodes or at least part of light emitting diode throws light on by control module, and then the light of two kinds of different brightness is provided, there is different light illumination modes to select for the user.
The present invention provides a kind of illuminating exhaust fan in addition.
A kind of illuminating exhaust fan according to an embodiment of the present invention comprises an exhaust fan, a lid and a lighting module.Wherein, lid covers an air inlet of exhaust fan, and lid comprises many exhausts grid and an opening, and described a plurality of exhaust grid are arranged in the relative both sides of opening at least.Lighting module is at least as shown in the above-mentioned embodiment, and it comprises a lamp housing, a lamp plate, a plurality of light emitting diode, a lampshade and a plurality of scattering micro-structural.This lighting module is embedded in the opening of lid.
By above-mentioned technological means, the illuminating exhaust fan of present embodiment can bring following advantages at least: the first, its lighting module utilizes a plurality of light emitting diodes to throw light on, because the light-emitting diodes pipe volume is little, do not take up space, so can reach the purpose of illuminating exhaust fan slimming, except reducing volume, also can help the heat radiation of lighting module.The second, lampshade can arrange the multiple scattering micro-structural in the face of the inner surface in lamp chamber, also can help to destroy the total reflection of light to reduce the sense of discomfort that is produced when human eye is looked at straight, and then reaches best balance at light transmittance and lampshade mist degree.
The above is only in order to illustrating purpose of the present invention, to reach the technological means of this purpose, effect that it produces and other advantages of the present invention etc., introduces in detail in the embodiment that detail of the present invention will be below and the correlative type.
Description of drawings
For above and other purpose of the present invention, feature, advantage and embodiment can be become apparent, appended graphic being described as follows:
Figure 1 shows that the lid of an embodiment of illuminating exhaust fan of the present invention and the exploded view of lighting module.
Figure 2 shows that the sectional view of the lighting module of embodiment shown in Figure 1.
Figure 3 shows that embodiment shown in Figure 2 lampshade by the sight of lamp chamber schematic diagram.
Fig. 4 A is depicted as the cross-sectional schematic of an embodiment of the scattering micro-structural of embodiment shown in Figure 3.
Fig. 4 B is depicted as the cross-sectional schematic of another embodiment of the scattering micro-structural of embodiment shown in Figure 3.
Fig. 4 C is depicted as the cross-sectional schematic of another embodiment of the scattering micro-structural of embodiment shown in Figure 3.
Fig. 5 A is depicted as the schematic diagram of the embodiment that the lampshade of embodiment shown in Figure 1 is combined with lamp housing.
Fig. 5 B is depicted as the schematic diagram of another embodiment that the lampshade of embodiment shown in Figure 1 is combined with lamp housing.
Fig. 5 C is depicted as the schematic diagram of the another embodiment that the lampshade of embodiment shown in Figure 1 is combined with lamp housing.
Figure 6 shows that the partial side view of the lighting module of embodiment shown in Figure 1.
Figure 7 shows that the lid of embodiment shown in Figure 1 and the schematic diagram of lighting module combination.
Figure 8 shows that the schematic diagram of backsight of the combination of the lid of embodiment shown in Figure 1 and lighting module.
Figure 9 shows that the cutaway view of an embodiment of exhaust grid.
Figure 10 shows that the partial sectional view of adjacent exhaust grid in the embodiment shown in Figure 9.
Figure 11 shows that the partial enlarged drawing of the lid of embodiment shown in Figure 1.
Figure 12 shows that another partial enlarged drawing of the lid of embodiment shown in Figure 1.
Figure 13 shows that the whole cutaway view of illuminating exhaust fan of the embodiment of Fig. 1.
Figure 14 shows that the functional block diagram of an embodiment of the control circuit of illuminating exhaust fan of the present invention.
Figure 15 shows that the functional block diagram of another embodiment of the control circuit of illuminating exhaust fan of the present invention.
Wherein, description of reference numerals is as follows:
101: lampshade
102: the lamp chamber
103: the scattering micro-structural
105: scattering particles
111: power supply
113: emission control circuit
113a: king light module
113b: night-light module
113c: closing module
113d: control module
115: light emitting diode
117: light emitting diode
119: the first switches
121: second switch
123: switch
201: lamp plate
203: light emitting diode
205: lighting angle
301: lamp housing
301a: diapire
301b: sidewall
303: angle
305: locking part
401: light-leading film
501: waterproof washer
503: the side pad
505: Waterproof glue line
601: lid
603: the exhaust grid
605: angle
607: ventilating duct
609: the preventing water drops lock
611: the edge
701: heat-conducting pad
801: fixture
901: exhaust fan
903: the air inlet degree of depth
905: the spacing of exhaust fan and lighting module
The specific embodiment
Below will be with graphic exposure many embodiments of the present invention, as clearly stated, the details on many practices will be explained in the following description.Yet, should be appreciated that the details on these practices does not use to limit the present invention.In other words, in part embodiment of the present invention, these details are non-essential.In addition, for the purpose of simplicity of illustration, some existing habitual structures and element are graphic middle will illustrating in the mode of simple signal.
Figure 1 shows that the lid of illuminating exhaust fan according to an embodiment of the present invention and the exploded view of lighting module.Figure 2 shows that the cutaway view of the lighting module of Fig. 1.As shown in the figure, lighting module comprises a lamp housing 301, a lamp plate 201, a plurality of light emitting diode 203, a lampshade 101 and a plurality of scattering micro-structurals 103.Light emitting diode 203 is arranged on the lamp plate 201.Lampshade 101 covers lamp housings 301, and and the lamp housing 101 common lamp chambeies 102 that form between lamp housing 301 and lampshade 101.Lamp plate 201 is arranged in lamp chamber 102 with light emitting diode 203.And scattering micro-structural 103 is positioned at lampshade 101 in the face of an inner surface in lamp chamber 102.
By above-mentioned means, the lighting module of present embodiment can utilize a plurality of light emitting diodes 203 to throw light on since light-emitting diodes body 203 long-pending little, do not take up space, so can reach the purpose of lighting module slimming.In addition, lampshade 101 can arrange multiple scattering micro-structural 103 in the face of the inner surface in lamp chamber 102, to reduce the sense of discomfort that is produced when human eye is looked at straight and the total reflection that can help to destroy light, and then reach best balance at light transmittance and lampshade mist degree, for example, light transmittance can be adjusted to 82%, and mist degree can be adjusted to 100%.Particularly, critical angle is so that minimum incidence angle occurs in total reflection, and incidence angle is to calculate critical angle θ from the method wire measurement that reflects interface
cCan calculate by taking charge of like this law (Snell ' s Law), as follows:
Wherein, n
1And n
2Represent respectively the refractive index of interface both sides.In brief, when critical angle was 90 °, light emission rate can reach maximum, and 103 of the scattering micro-structurals of present embodiment can reach about about 83%.
In present embodiment, lamp housing 301 has a diapire 301a and at least one sidewall 301b, and wherein, diapire 301a carries lamp plate 201, and sidewall 301b is with respect to the diapire 301a angle 303 that tilts, and this angle 303 is identical with the lighting angle 205 of light emitting diode 203.In other words, lamp housing 301 has diapire 301a and sidewall 301b, and sidewall 301b stands on the edge of diapire 301a obliquely, and presss from both sides an angle 303 between the two, and its lighting angle 205 with light emitting diode 203 is identical.In an embodiment of the present invention, the lighting angle of light emitting diode is 120 °, and sidewall 301b also is 120 ° with respect to the angle 303 that diapire 301a tilts.Because the angle 303 between diapire 301a and the sidewall 301b is identical with the lighting angle 205 of light emitting diode 203, so can help the light reflection of light emitting diode 203, and then the lifting illumination capability, and the wafer junction temperature of control light emitting diode 203 can be lower than 75 ℃.
Should be appreciated that, " pact " but be the relation of modifying any microvariations, but this slight variations can't change its essence.For instance, " angle 303 is identical with the lighting angle 205 of light emitting diode 203 ", this one describe except represent the certain lighting angle 205 with light emitting diode 203 of angle 303 identical, as long as can help the light reflection of light emitting diode 203, angle 303 also can be slightly different from the lighting angle 205 of light emitting diode 203.
In present embodiment, lighting module further comprises a light-leading film 401, and it covers lamp plate 201 and the inner surface of lamp housing 301 in the face of lamp chamber 102, and light-leading film 401 has multiple hole to expose light emitting diode 203.In the present embodiment, light-leading film 401 can be attached in the inner surface of lamp housing 301, so its shape is identical with lamp housing 301, also is bent with an angle 303, and this angle is identical with the lighting angle 205 of light emitting diode 203, in order to reflection of light.In part embodiment, light-leading film 401 is the polyester film of high light conductivity, and white polyester film for example in order to reflection of light, and then promotes the compound penetrance of lighting module, reaches as high as more than 20%.
Figure 3 shows that Fig. 2 lampshade 101 by the sight of lamp chamber stereogram.As shown in the figure, multiple scattering micro-structural 103 is arranged in lampshade 101 in the face of the inner surface in lamp chamber (not being shown in this figure).In other words, can be at random or regular be arranged with many scattering micro-structurals 103 at the inner surface of lampshade 101, these scattering micro-structural 103 meetings are so that the inner surface of lampshade 101 is comparatively coarse, reduce thus the sense of discomfort of eyes direct-view and destroy all reflective light, and then obtain optimum balance at the mist degree of light transmittance and lampshade 101.
Fig. 4 A is depicted as the cutaway view of the lampshade 101 of Fig. 3, and it shows an embodiment of scattering micro-structural.As shown in the figure, the scattering micro-structural 103 of present embodiment is the corner post shape.In detail, it is by regular or irregular angular protrusions and the recess of having of side sight, to destroy all reflective light.In addition, can mix multiple scattering particle 105 in the lampshade 101, with further scattered beam, and reach required light transmittance and mist degree.
Fig. 4 B is depicted as the cutaway view according to the lampshade 101 of another embodiment of the present invention, and it shows another embodiment of scattering micro-structural, and it is identical with Fig. 4 A that it analyses and observe the position.As shown in the figure, the scattering micro-structural 103 of present embodiment is scolecoid.In detail, it destroys all reflective light by regular or the irregular Wave curved of having of side sight with this.In addition, can mix multiple scattering particle 105 in the lampshade 101, with further scattered beam, and reach required light transmittance and mist degree.
Fig. 4 C is depicted as the cutaway view of the lampshade 101 of an embodiment again according to the present invention, and it shows the another embodiment of scattering micro-structural, and it is identical with Fig. 4 A that it analyses and observe the position.As shown in the figure, the scattering micro-structural 103 of present embodiment is flat column.In detail, it destroys all reflective light by regular or irregular rectangular preiection and the recess of having of side sight with this.In addition, can mix multiple scattering particle 105 in the lampshade 101, with further scattered beam, and reach required light transmittance and mist degree.
Except above-mentioned embodiment, scattering micro-structural 103 also can be any combination of corner post shape, scolecoid and flat column.Should be appreciated that the embodiment shown in above Fig. 4 A-Fig. 4 C only provides the part example of scattering micro-structural 103, but not in order to limit the present invention.
Fig. 5 A is depicted as the partial perspective view of lampshade 101 with the calmodulin binding domain CaM of lamp housing 301 of Fig. 1.As shown in the figure, in present embodiment, lighting module further comprises a locking part 305, its sealed lampshade 101 and lamp housing 301.In other words, when sealed, locking part 305 can wear by the lamp housing 301 of lampshade 101 with part, with fastening lampshades 101 and lamp housing 301.In part embodiment, locking part 305 can be (comprise, but be not limited to) bolt, screw etc., and the surface of locking part 305 can be provided with a male thread, the surface of lampshade 101 and lamp housing 301 contact locking parts 305 then can be provided with corresponding box thread, with in conjunction with locking part 305.In present embodiment, lighting module comprises a waterproof washer 501, and it is located between lampshade 101 and the lamp housing 301, enters the inside of lighting module to prevent water gas.For example, waterproof washer 501 can be made by water-proof silica-gel.In the part embodiment, in order further to promote waterproof ability, lighting module also can fill up at least one Waterproof glue line 505 in the slit between lampshade 101, waterproof washer 501, lamp housing 301 and locking part 305, can not infiltrate lighting module inside to guarantee aqueous vapor.
In present embodiment, two side pads 503 are extended in the relative both sides of waterproof washer 501, and these two side pads 503 also, are close to lampshade 101 along the up bending of its surface along lampshade 101 bendings.
Fig. 5 B is depicted as the partial perspective view of lampshade 101 with the calmodulin binding domain CaM of lamp housing 301 of another embodiment according to the present invention.Present embodiment is roughly similar to Fig. 5 A, and difference is that the both sides of the waterproof washer 501 of present embodiment do not have any side pad.
Fig. 5 C is depicted as according to the present invention the partial perspective view of lampshade 101 with the calmodulin binding domain CaM of lamp housing 301 of an embodiment again.Present embodiment is roughly similar to Fig. 5 B, and difference is that the relative both sides of the waterproof washer 501 of present embodiment extend two side pads 503, and these two side pads 503 also, are close to lamp housing 301 along its surperficial downward bending along lamp housing 301 bendings.
Figure 6 shows that the partial sectional view of the lighting module of Fig. 1.As shown in the figure, this lighting module can comprise a heat-conducting pad 701, and its thermo-contact lamp plate 201 and lamp housing 301 are led on the lamp housing 301 by heat conducting mode with the heat that light emitting diode 203 on the lamp plate 201 is produced.In other words, heat-conducting pad 701 is arranged between the surface and lamp housing 301 of lamp plate 201 backward luminous diodes 203, in order to conduction heat energy.Heat-conducting pad 701 can be the heat insulating lamella of the heat-conductings such as copper doped or aluminium, for example, and by the formed pad with the high thermal conduction characteristic of low conduction of Polytster polyester fiber.Because embodiments of the present invention can adopt the contour heat-conducting of aluminium to make lamp housing 301, so after heat passes to lamp housing 301, can dissipate rapidly by the thermal convection current of lamp housing 301 outsides.By the setting of heat-conducting pad 701, the thermal resistance in the lighting module can be reduced to 3 ℃/below the W, and since its be heat insulating lamella, so can give the High-Voltage Insulation effect that this lighting module is higher than 500Vac.
Figure 7 shows that the schematic diagram of the combination of lid 601 and lighting module.As shown in the figure, lid 601 comprises many exhausts grid 603 and an opening 605, and exhaust grid 603 are arranged in the relative both sides of opening 605 at least, pass through for air-flow.In detail, opening 605 digs in the centre of lid 601, uses for lighting module to embed to throw light on, and then cuts arround the opening 605 to set out many exhaust grid 603 in order to exhaust.
Figure 8 shows that the lid 601 of Fig. 1 and the stereogram of the backsight of lighting module combination.Lighting module is embedded in the opening of lid 601.As shown in the figure, the lamp housing 301 of lighting module can be covered on the opening of lid 601, and the lampshade of lighting module then can embed in the opening of lid 601.In present embodiment, can further utilize a plurality of fixtures 801 so that lamp housing 301 is attached to lid 601, and then the relative position of priming illumination module and lid 601.In part embodiment, fixture 801 can be (comprise, but be not limited to) screw or bolt etc.
Figure 9 shows that the cutaway view of an embodiment of exhaust grid.As shown in the figure, because the lighting module that lampshade 101 and lamp housing 301 are combined into is located in the opening of lid, so exhaust grid 603 are positioned at the relative both sides of lighting module.In present embodiment, adjacent exhaust grid 603 can form many ventilating ducts 607, and these ventilating ducts 607 tilt towards lighting module.In part embodiment, the bottom surface of exhaust grid 603 and its side fold an angle 605, and the angle of inclination of ventilating duct 607 is angle 605.By above-mentioned means, can make air-flow pass through ventilating duct 607 in oblique mode, in addition, angle 605 can be designed to and the folded angle 303 of the diapire of lamp housing 301 and sidewall supplementary angle each other, also is, both add up to 180 degree, thus, the air-flow of the ventilating duct 607 of flowing through can flow along lamp housing 301 more swimmingly, to reduce the inlet air impedance, and it is about 20% to increase heat-conducting area, to be issued to the required heat dissipation of lighting module need not increasing extra radiating fin.In addition, because present embodiment need not additionally increase radiating fin, so can reduce overall weight, be beneficial to user's assembling product and security.In addition, ventilating duct 607 is set to incline direction and also can reduces the risk of spray splash to the lid 601.
Figure 10 shows that the partial sectional view of the adjacent exhaust grid of Fig. 9.As shown in the figure, adjacent exhaust grid 603 mutual at least part of covering are splashed into the lid top to prevent the water flower, if when the lid top has condensing water droplet, also can avoid water droplet directly to drop to the lid below.Particularly, by vertical direction (as shown in phantom in FIG.) towards 603 sights of exhaust grid, should see at the most the wherein edge of exhaust grid 603, crested is then answered at the edge of another exhaust grid 603, can prevent thus in the external environment spray be splashed on the lid, also can avoid the condensing water droplet of lid top directly to drop to the lid below, and cause user's puzzlement.
Figure 11 shows that the lid of Fig. 1 is in the partial enlarged drawing of its exhaust grid 603 outer edge area.As shown in the figure, the illuminating exhaust fan shown in the present embodiment also comprises an antidrip sluice 609, and it is arranged at lid 601 in the face of an inner surface of exhaust fan (not being shown among this figure), and this antidrip sluice 609 is centered around the outer rim of these exhaust grid 603 and arranges.In other words, can encircle in a plurality of exhaust grid 603 formed outer rims and to establish an antidrip sluice 609, it can for by the outstanding convex wall of the inner surface of lid 601, to block the water droplet that condenses or accept on the lid 601, avoid it to drop to lid 601 belows by the ventilating duct between the exhaust grid 603.
Figure 12 shows that the lid of Fig. 1 is in the partial enlarged drawing of its fringe region.As shown in the figure, the edge 611 of lid 601 is leads fillet, causes scratch when avoiding the user to touch.
Figure 13 shows that the unitary side cutaway view of the illuminating exhaust fan of Fig. 1.As shown in the figure, lid 601 is covered in the air inlet of exhaust fan 901, because the lighting module of present embodiment adopts light emitting diode to throw light on, thus the thickness of lighting module can be reduced, so that the spacing 905 of exhaust fan 901 and lighting module is the 30-50% of the degree of depth 903 of air inlet.In other words, the spacing 905 at the top of lamp housing 301 bottoms and exhaust fan 901 is the 30-50% of the degree of depth 903 of air inlet.With regard to common air inlet depth design, the spacing 905 at the top of lamp housing 301 bottoms and exhaust fan 901 is at least about 25 millimeters.Should be appreciated that above-mentioned size restrictions only is to determine according to the depth dimensions that has common air inlet now, so only as illustration, and unrestricted the present invention.The lighting module of present embodiment presents with 1: 1.8 ratio of rectangle, and account for 55%～60% of lid 601 gross areas, and the perforate of lid 601 rule is 40%～45%, reaches the demand of structure slimming, characteristic (fan/illumination) optimization, product energy-saving with this.
The formed illumination ventilating fan of present embodiment can allow whole compound penetrance reach more than 92%, and the internal system thermal resistance is lower than 5W/m.k, and wafer junction temperature is lower than 75 ℃.
Figure 14 shows that the functional block diagram of the control circuit of illuminating exhaust fan according to an embodiment of the present invention.As shown in the figure, described control circuit comprises: a power supply 111, a plurality of light emitting diode 115 and 117, the first switch 119, second switch 121 and an emission control circuit 113.In present embodiment, light emitting diode 115 and 117 is electrically connected to power supply 111.Emission control circuit 113 is electrically connected power supply 111, light emitting diode 115 and the 117 and first switch 119 and second switch 121.Wherein, emission control circuit 113 comprises a king light module 113a, a night-light module 113b, a closing module 113c and a control module 113d.King light module 113a is in order to light whole light emitting diode (also namely, light emitting diode 115 and 117 all is lit).Night-light module 113b is in order to light at least part of light emitting diode (for example: only light light emitting diode 115).Closing module 113c is in order to close whole light emitting diode (also namely, light emitting diode 115 and 117).Control module 113d is in order to the state (also namely, the state of the first switch 119 and/or second switch 121) according to switch, select to start king light module 113a, night-light module 113b and closing module 113c one of them.
By above-mentioned means, the emission control circuit 113 of present embodiment can select king light module 113a or night-light module 113b to switch whole light emitting diodes (also to be by control module 113d at least, light emitting diode 115 and 117) or at least part of light emitting diode (for example: only light light emitting diode 115) throw light on, and then the light of two kinds of different brightness is provided, there is different light illumination modes to select for the user.
Switch control logic between the king light module 113a of present embodiment and night-light module 113b and the first switch 119 and second switch 121 is as shown in the table:
The operation logic of table 1 control module
| State | The first switch 119 | Second switch 121 |
| Start king light module 113a | Open | Close |
| Start night-light module 113b | Close | Open |
| Start king light module 113a | Open | Open |
| All do not start | Close | Close |
As above shown in the table, wherein control module 113d is configured to start king light module 113a when the first switch 119 is opened; Control module 113d is configured to start night-light module 113b when second switch 121 is opened; Control module 113d is configured to start closing module 113c when the first switch 119 all cuts out with second switch 121, and, king light module 113a and night-light module 113b all do not start yet; In addition, control module 113d is configured to start king light module 113a when the first switch 119 is all opened with second switch 121.Above switch control logic only is illustration, but not in order to limit the present invention.
In the part embodiment, night-light module 113b can be in order to lighting whole light emitting diode (also namely, light emitting diode 115 and 117), but make these light emitting diodes only with the power light-emitting of part, separates to do with the brightness of king light module 113a.
Figure 15 shows that the functional block diagram of the control circuit of the illuminating exhaust fan of another embodiment according to the present invention.Present embodiment is similar substantially to the embodiment of Figure 14, and difference is that present embodiment only adopts a cycling switch 123 to come operating light-emitting control circuit 113.In present embodiment, cycling switch 123 is for can utilize the mode of cyclic switching to come operating light-emitting control circuit 113.In detail, control module 113d is configured to the state according to cycling switch 123, loop start king light module 113a, night-light module 113b and closing module 113c.For example, when being pressed, cycling switch 123 starts king light module 113a time a time; When being pressed, cycling switch 123 starts night-light module 113b twice the time; Starting closing module three times the time when cycling switch 123 is pressed, also is that king light module 113a and night-light module 113b all do not start.The switch logic of above cycling switch 123 only is illustration, but not in order to limit the present invention.
In the part embodiment, power supply 111 is dc source, for example for exchanging the converter (AC/DC converter) that turns direct current.
Although the present invention discloses as above with embodiment; right its be not to limit the present invention, anyly be familiar with this skill person, without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking accompanying the claim person of defining.
Claims (25)
1. the lighting module of an illuminating exhaust fan is characterized in that, comprises:
One lamp housing;
One lamp plate;
A plurality of light emitting diodes are arranged on this lamp plate;
One lampshade covers this lamp housing, and and the common lamp chamber that forms of this lamp housing between this lamp housing and this lampshade, this lamp plate and described a plurality of light emitting diode are arranged in this lamp chamber; And
A plurality of scattering micro-structurals are positioned at this lampshade in the face of an inner surface in this lamp chamber.
2. the lighting module of illuminating exhaust fan as claimed in claim 1 is characterized in that, this lamp housing comprises:
One diapire carries this lamp plate; And
At least one sidewall, this sidewall is with respect to this diapire angle that tilts, and this angle is identical with the lighting angle of described a plurality of light emitting diodes.
3. the lighting module of illuminating exhaust fan as claimed in claim 1 is characterized in that, this angle is about 120 °.
4. the lighting module of illuminating exhaust fan as claimed in claim 1 also comprises:
One light-leading film cover this lamp plate and this lamp housing in the face of an inner surface in this lamp chamber, and this light-leading film has multiple hole to expose described a plurality of light emitting diode.
5. the lighting module of illuminating exhaust fan as claimed in claim 4 is characterized in that, this light-leading film is white polyester film.
6. the lighting module of illuminating exhaust fan as claimed in claim 4 is characterized in that, this light-leading film comprises:
One base plate covers this lamp plate, and this base plate has multiple hole to expose described a plurality of light emitting diode; And
At least one side plate, this side plate is with respect to this base plate angle that tilts, and this angle is identical with the lighting angle of described a plurality of light emitting diodes.
7. the lighting module of illuminating exhaust fan as claimed in claim 1 is characterized in that, described a plurality of scattering micro-structurals are corner post shape, flat column, scolecoid or above-mentioned any combination.
8. the lighting module of illuminating exhaust fan as claimed in claim 1 is characterized in that, also comprises:
At least one locking part, sealed this lampshade and this lamp housing.
9. the lighting module of illuminating exhaust fan as claimed in claim 8 is characterized in that, also comprises:
One waterproof washer is located between this lampshade and this lamp housing.
10. the lighting module of illuminating exhaust fan as claimed in claim 9 is characterized in that, also comprises:
At least one Waterproof glue line, fill up this lampshade, this waterproof washer, this lamp housing and this locking part between the slit.
11. the lighting module of illuminating exhaust fan as claimed in claim 9 is characterized in that, also comprises:
The both sides pad, extend the relative both sides of this waterproof washer certainly, and along this lampshade bending.
12. the lighting module of illuminating exhaust fan as claimed in claim 9 is characterized in that, also comprises:
The both sides pad, extend the relative both sides of this waterproof washer certainly, and along this lamp housing bending.
13. the lighting module of illuminating exhaust fan as claimed in claim 1 is characterized in that, also comprises:
One heat-conducting pad, this lamp plate of thermo-contact and this lamp housing.
14. the control circuit of an illuminating exhaust fan is characterized in that, comprises:
One power supply;
A plurality of light emitting diodes are electrically connected to this power supply;
At least one switch; And
One emission control circuit is electrically connected this power supply, described a plurality of light emitting diodes and this switch, and this emission control circuit comprises:
One king light module is in order to light whole described a plurality of light emitting diodes;
One night-light module is in order to light at least part of described a plurality of light emitting diodes;
One closing module is in order to close whole described a plurality of light emitting diodes; And
One control module, in order to the state according to this switch, select to start this king light module, this night-light module and this closing module one of them.
15. the control circuit of illuminating exhaust fan as claimed in claim 14 is characterized in that, this switch comprises one first switch and a second switch; And
Wherein this control module is configured to start this king light module when this first switch open.
16. the control circuit of illuminating exhaust fan as claimed in claim 14 is characterized in that, this switch comprises one first switch and a second switch; And
Wherein this control module is configured to start this night-light module when this second switch is opened.
17. the control circuit of illuminating exhaust fan as claimed in claim 14 is characterized in that, this switch comprises a cycling switch; And
Wherein this control module is configured to the state according to this cycling switch, this king light module of loop start, this night-light module and this closing module.
18. the control circuit of illuminating exhaust fan as claimed in claim 14 is characterized in that, this night-light module is in order to only to light described a plurality of light emitting diodes of part.
19. the control circuit of illuminating exhaust fan as claimed in claim 14 is characterized in that, this night-light module is in order to lighting whole described a plurality of light emitting diodes, but makes described a plurality of light emitting diode only with the power light-emitting of part.
20. an illuminating exhaust fan is characterized in that, comprises:
One exhaust fan;
One lid covers an air inlet of this exhaust fan, and this lid comprises many exhausts grid and an opening, and described a plurality of exhaust grid are arranged in the relative both sides of this opening at least; And
Such as each described lighting module of claim 1～13, be embedded in this opening of this lid.
21. illuminating exhaust fan as claimed in claim 20 is characterized in that, adjacent described a plurality of exhaust grid form a plurality of ventilating ducts, and described a plurality of ventilating ducts tilt towards this lighting module.
22. illuminating exhaust fan as claimed in claim 20 is characterized in that, adjacent described a plurality of exhaust grid are at least part of covering mutually.
23. illuminating exhaust fan as claimed in claim 20 is characterized in that, also comprises:
One antidrip sluice is arranged at this lid in the face of an inner surface of this exhaust fan, and this antidrip sluice is around the outer rim setting of described a plurality of exhaust grid.
24. illuminating exhaust fan as claimed in claim 20 is characterized in that, the edge of this lid is leads fillet.
25. illuminating exhaust fan as claimed in claim 20 is characterized in that, the spacing of this exhaust fan and this lighting module is the 30-50% of the degree of depth of this air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103062970A CN103047632A (en) | 2011-10-11 | 2011-10-11 | Lighting exhaust fan, lighting module of lighting exhaust fan and control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103062970A CN103047632A (en) | 2011-10-11 | 2011-10-11 | Lighting exhaust fan, lighting module of lighting exhaust fan and control circuit |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610098211.2A Division CN105757554A (en) | 2011-10-11 | 2011-10-11 | Lighting exhaust fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103047632A true CN103047632A (en) | 2013-04-17 |
Family
ID=48060379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103062970A Pending CN103047632A (en) | 2011-10-11 | 2011-10-11 | Lighting exhaust fan, lighting module of lighting exhaust fan and control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103047632A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2784747Y (en) * | 2004-01-15 | 2006-05-31 | 潘志标 | Exhaust lighting lamp |
| CN201218457Y (en) * | 2008-05-05 | 2009-04-08 | 李秀凤 | LED eye-protection desk lamp |
| CN201269497Y (en) * | 2008-09-05 | 2009-07-08 | 奇菱科技股份有限公司 | Cassette holder of direct backlight module |
| CN201747642U (en) * | 2010-08-11 | 2011-02-16 | 何世健 | Pipeline type exhaust fan with lamp |
-
2011
- 2011-10-11 CN CN2011103062970A patent/CN103047632A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2784747Y (en) * | 2004-01-15 | 2006-05-31 | 潘志标 | Exhaust lighting lamp |
| CN201218457Y (en) * | 2008-05-05 | 2009-04-08 | 李秀凤 | LED eye-protection desk lamp |
| CN201269497Y (en) * | 2008-09-05 | 2009-07-08 | 奇菱科技股份有限公司 | Cassette holder of direct backlight module |
| CN201747642U (en) * | 2010-08-11 | 2011-02-16 | 何世健 | Pipeline type exhaust fan with lamp |
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Application publication date: 20130417 |