CN102207269B - Lighting fixture - Google Patents
Lighting fixture Download PDFInfo
- Publication number
- CN102207269B CN102207269B CN2011100789377A CN201110078937A CN102207269B CN 102207269 B CN102207269 B CN 102207269B CN 2011100789377 A CN2011100789377 A CN 2011100789377A CN 201110078937 A CN201110078937 A CN 201110078937A CN 102207269 B CN102207269 B CN 102207269B
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- Prior art keywords
- emitting diode
- light emitting
- heat
- entrance port
- base portion
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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
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
- F21V21/04—Recessed bases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
- F21V23/023—Power supplies in a casing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
- F21V23/026—Fastening of transformers or ballasts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention provides a lighting fixture, which is characterized in that the lighting fixture comprises a light-emitting diode (LED); a lighting device for providing lighting electricity to the LED; and a bottom cylindrical fixture main body made of heat radiation materials and at least receiving the LED. The fixture main body further comprises an entrance port for light from the LED to enter and an exit port for the light entered from the entrance port to shine outwards. The fixture main body is such a part that the bottom of the inside is provided with the LED; and the heat sent out by the LED is dispersed outwards through the fixture main body itself. The entrance port is closed by a translucent part made of translucent materials. A heat radiation space for the heat sent out by the LED to be dispersed outwards through the fixture main body is equipped between the LED and the entrance port. The inner wall of the heat radiation space is provided with radiating fins.
Description
Technical field
The present invention relates to the ligthing paraphernalia take light-emitting components such as light emitting diodes as light source.
Background technology
In the past, known had to embed the light emitting diode (hereinafter referred to as " LED ") that is provided in ceiling and be the Down lamp of light source (ligthing paraphernalia), for example disclosed Down lamp in patent documentation 1.In patent documentation 1, the Down lamp of record has metal apparatus main body, the light source substrate of a plurality of LED, the supply unit of the required electric current of lighting a lamp of controlling LED and reflector and the occulter that the light from LED is carried out luminous intensity distribution is installed.Light source substrate is installed with the form that contacts with the diapire face of apparatus main body.And, dispel the heat in atmosphere via light source substrate and apparatus main body by make the heat that LED sends when lighting a lamp, thereby prevent the rising of LED surrounding enviroment temperature.In addition, set a plurality of fin, increased the surface area of the outer surface of apparatus main body by this fin by the outer surface at apparatus main body, thereby need not to make apparatus main body to maximize and can improve radiating effect.
In addition, in the past, provided such ceiling embedded illuminating apparatus: have to embed to be equipped on and run through the lamp body that is arranged on the embedded hole in the ceiling material and keeps electric light source and the ignition device that the light source that remains in lamp body is lit a lamp.Above-mentioned ceiling material set for and the building materials such as concrete between form the gap (hereinafter referred to as " wiring space ") of configuration power line or order wire, ignition device is disposed in wiring space.In above-mentioned ligthing paraphernalia, compare with the situation that ignition device is configured in the downside of ceiling material, the outward appearance of seeing from the downside of ceiling material improves.And, be configured to respect to lamp body in the situation that along ceiling surface (lower surface of ceiling material) direction arrangement at ignition device, the situation that is installed in the upside of lamp body with ignition device is compared, even also can set in the situation of wiring space relatively narrower (be between ceiling material and building materials distance less).
And, at ceiling embedded illuminating apparatus as above, be ignition device with respect to lamp body in the ligthing paraphernalia of arranging along the direction on ceiling surface (lower surface of ceiling material), following ligthing paraphernalia is arranged: ignition device is to link (for example referring to Patent Document 1) with respect to the rotatable form of lamp body with lamp body in the face of reporting to the leadship after accomplishing a task with the ceiling surface.That is, when carrying out ignition device and lamp body are directed into the operation of embedded hole, make the relative lamp body of ignition device make with displacement upward its state that is rotated by becoming, thereby can carry out with comparalive ease aforesaid operations.
Patent documentation 1: TOHKEMY 2010-16003 communique
Patent documentation 2: Japanese kokai publication hei 5-28818 communique
, in recent years, the high output of LED has obtained popularization, and the LED that adopts small amount of becoming can obtain the light output identical with the ligthing paraphernalia of the LED of original use more amount.Therefore, reduced be used to setting LED needed space due to compared with the past, so can realize the miniaturization of the appliance body of ligthing paraphernalia.On the other hand, even reduce to consist of the quantity of the LED of light source, because the heat dissipation capacity of high performance type LED when lighting a lamp also increases, so produce the identical or more heat of ligthing paraphernalia with the LED of in the past use more amount when LED lights a lamp.
Yet, if make the appliance body miniaturization, also be miniaturized such as the fin of above-mentioned conventional example, therefore there is the problem that can not obtain sufficient radiating effect.Therefore, be easy to heat radiation in order to make the thermal convection current that LED sends, although set heat-dissipating space between the entrance port of the light institute incident that can consider to send at LED, with LED, if only increase heat-dissipating space have the problem of appliance body maximization.In addition, in order to leave certain distance setting heat-dissipating space between LED and entrance port between LED and entrance port.
Yet, if leave distance between LED and entrance port, thus exist from the light of LED spread before arriving the entrance port, the amount minimizing of light by the entrance port can not get the problem of sufficient illuminating effect.
In addition, in the ligthing paraphernalia that the relative light fixture of ignition device as above rotatably links, if the rotating range of the relative light fixture of ignition device is excessive, be easy to occur following problem when setting: the electric wire that connects ignition device and lamp body is owing to broken string that overbending causes occuring or because the relative lamp body of ignition device is crossed breakage that measure ground motion generation strength causes etc.
Summary of the invention
The present invention completes in view of above-mentioned point, purpose is to provide a kind of ligthing paraphernalia, this ligthing paraphernalia not only improves radiating effect in the miniaturization that can realize appliance body, and can obtain sufficient illuminating effect in the required heat-dissipating space of guaranteeing to dispel the heat.
In addition, the present invention completes in view of above-mentioned cause, and its purpose is to provide a kind of and is difficult to break when setting or damaged ligthing paraphernalia.
the lighting mechanism of the present invention the 1st aspect is characterized in that possessing: light emitting diode, ignition device provides to described light emitting diode the electric power of lighting a lamp, and the appliance body that bottom tube-like is arranged, formed by the material with thermal diffusivity, at least take in described light emitting diode, and, has the entrance port from the light institute incident of described light emitting diode, with the exit wound of bullet that will penetrate to the outside from the incident light of described entrance port, described appliance body is such parts: described light emitting diode is installed in the bottom within it, and, the heat that described light emitting diode is sent via self to external cooling, the light transparent member sealing that described entrance port is formed by the material with light transmission, be provided with between described light emitting diode and described entrance port and make the heat-dissipating space that is dispelled the heat to the outside via described appliance body by the heat of described light emitting diode radiation, be provided with fin on the inwall of described heat-dissipating space.
Preferably, in this ligthing paraphernalia, described appliance body in conjunction with have the base portion of described inner bottom part and have described entrance port and exit wound of bullet tubular frame and form.
Preferably, in this ligthing paraphernalia, described frame wall within it is provided with and makes the light that radiates from described light emitting diode to the reflecting part of lighting space reflection.
Preferably, in this ligthing paraphernalia, any one of described base portion and described frame is equipped with described fin within it on wall, each fin of described base portion and described frame, and it contacts with each other at relative position mutually.
the ligthing paraphernalia of the 2nd aspect is characterized in that, possesses: light emitting diode, ignition device provides to described light emitting diode the electric power of lighting a lamp, and the appliance body that bottom tube-like is arranged, at least take in described light emitting diode, the base portion that described appliance body is formed by the material with thermal diffusivity, consist of with the frame of tubular, the heat that the bottom of described base portion is equipped with described light emitting diode and described light emitting diode is sent sheds to the outside via self, described frame has the entrance port from the light institute incident of described light emitting diode, and the exit wound of bullet that will penetrate to the outside from the light of described entrance port incident, the light transparent member sealing that described entrance port is formed by the material with light transmission, be provided with between described light emitting diode and described entrance port and make the heat-dissipating space that dispels the heat to the outside via described base portion from the heat of described light emitting diode radiation, periphery in described entrance port is provided with reflection part, described reflection part is erect towards described base portion, and, has the reflecting surface that makes from the light reflection of described light emitting diode on the inner peripheral surface of this reflection part.
Preferably, in this ligthing paraphernalia, described frame is formed by the material with thermal diffusivity.
Preferably, in this ligthing paraphernalia, described reflection part is formed by the material with thermal diffusivity.
The ligthing paraphernalia of the present invention the 3rd aspect is characterized in that possessing: lamp body, and the form outstanding to the top of ceiling material with at least a portion sets with respect to running through the embedded hole embedding that is arranged in described ceiling material, and, keep electric light source; Ignition device is lit a lamp described light source; The 1st installing plate has the fixed part that is fixed on the position that is positioned at described ceiling material upside in described lamp body and compares with described lamp body to the outstanding protuberance of direction along the ceiling surface; And the 2nd installing plate, described protuberance with respect to described the 1st installing plate, rotate in the face of reporting to the leadship after accomplishing a task mutually with the ceiling surface and be bonded freely, and, keep described ignition device, be provided with restriction section on described the 2nd installing plate, described restriction section by with the described protuberance butt of described the 1st installing plate, thereby the rotating range of described the 2nd installing plate with respect to described the 1st installing plate is limited to, and the relatively described lamp body of at least a portion of described ignition device is positioned at along the such scope of direction on ceiling surface.
This ligthing paraphernalia is characterised in that, be provided with restriction section on described the 2nd installing plate, described restriction section is by comparing with described the 2nd installing plate the position of leaving described lamp body with respect to the rotating shaft of described the 1st installing plate, from the described protuberance butt of top and described the 1st installing plate, thereby the rotating range of described the 2nd installing plate with respect to described the 1st installing plate namely limited the rotating range on the direction that makes the displacement downwards of described ignition device.
This ligthing paraphernalia is characterised in that, be provided with restriction section on described the 2nd installing plate, described restriction section is by comparing with described the 2nd installing plate the position of leaving described lamp body with respect to the rotating shaft of described the 1st installing plate, from the described protuberance butt of below and described the 1st installing plate, thus to described the 2nd installing plate with respect to the rotating range of described the 1st installing plate namely to make described ignition device upward the rotating range on the direction of displacement limit.
The effect of invention
Be provided with fin on the inwall of the present invention due to the appliance body in heat-dissipating space, so can increase the surface area of the inner surface of the appliance body in heat-dissipating space, the heat that LED is sent is conducted efficiently.Therefore, need not to make heat-dissipating space to increase, can improve radiating effect in the miniaturization that realizes appliance body.
In addition, the present invention owing to can making by reflection part from light emitting diode to the light reflection that arrives diffusion before the entrance port optically focused to the entrance port, so can increase amount by the light of entrance port.Therefore, obtain sufficient illuminating effect when the heat-dissipating space of can guaranteeing to dispel the heat required.
In addition, according to the present invention, the situation that the rotating range of 1st installing plate relative to the 2nd installing plate is not restricted is compared, the broken string when being difficult to set or breakage.
Description of drawings
Fig. 1 means the figure of the embodiment of ligthing paraphernalia of the present invention, is (a) cutaway view of appliance body; (b) be the upward view of base portion.
In Fig. 2, (a) is the overall perspective view of the ligthing paraphernalia of upper Fig. 1; (b) be top view.
Fig. 3 be chart 1 ligthing paraphernalia LED module and the heat radiation abutment portion figure, (a) be exploded perspective view; (b) be overall perspective view.
In Fig. 4, (a) is the stereogram of base portion, (b) is the exploded perspective view of frame.
Fig. 5 is the cutaway view that the ligthing paraphernalia of chart 1 embeds the state in ceiling that is provided in.
Fig. 6 means the cutaway view of mechanism body of the embodiment of ligthing paraphernalia of the present invention.
Fig. 7 means the key diagram of embodiments of the present invention.
Fig. 8 means the key diagram of the method that sets ligthing paraphernalia of the present invention.
Fig. 9 means the stereogram of ligthing paraphernalia of the present invention.
Figure 10 means the top view of ligthing paraphernalia of the present invention.
The specific embodiment
Below, describe with the embodiment of accompanying drawing to ligthing paraphernalia of the present invention.Present embodiment is to embed the ligthing paraphernalia that is provided in ceiling, as shown in Fig. 1 (a), (b), the appliance body that bottom tube-like is arranged 2 that possesses LED module 1 with substrate 12 that LED chip 10 (light emitting diode) has been installed and form in conjunction with base portion 3 and frame 4.In addition, as shown in Fig. 2 (a), (b), possess: the ignition device A that the electric power of lighting a lamp is provided to LED chip 10; And connect the power line (not shown) of connecting between source power supply (not shown), and will be forwarded to from the alternating current of source power supply the terminal board B of ignition device A.In addition, because ignition device A and terminal board B are in the past known, therefore omit detailed explanation here.
Sneaked into yellow fluorophor (not shown) in seal member 11, the blue light that this yellow fluorophor is sent by LED chip 10 excites and radiates the sodium yellow that blue light is existed the complementary color relation.And LED module 1 is formed by covering 13 peristome 13a and radiates white light.In addition, as long as LED module 1 can radiate white light, as the structure of radiation white light, be not limited to the combination of the fluorophor of the above-mentioned LED chip that sends blue light and yellow.
As shown in Fig. 3 (a), heat radiation abutment portion 5 has high thermal conductivity, and is formed rectangular-shapedly by the material with insulating properties, and the both ends of its length direction are processed into triangle.In addition, in present embodiment, from being easy to be processed as flatness little and level and smooth plane, considering with the cohesive of substrate 12 higher aspect, heat radiation abutment portion 5 is formed by fine ceramics (for example aluminium nitride).The both ends of length direction in heat radiation abutment portion 5 are provided with respectively circular base portion installing hole 5c.Insert hold-down screw S2 in this each base portion installing hole 5c, by being tightened against respectively the 1 pair of internal thread part (not shown) that is arranged on base portion 3, the abutment portion 5 of dispelling the heat thus is fixed on (with reference to figure 1 (b)) on base portion 3.And the heat that LED chip 10 sends via substrate 12 and heat radiation abutment portion 5 and conduct to base portion 3, and further conducts to atmosphere from base portion 3, thereby is able to external cooling.
Central portion in heat radiation abutment portion 5 as shown in Fig. 3 (a), is provided with 1 couple of substrate installing hole 5a for the circle of installation base plate 12.In addition, near the 1 couple lead-in wire that is provided with the circle of the 1 couple lead-in wire (not shown) that inserts respectively each electrode that is connected in the LED chip 10 on substrate 12 each substrate installing hole 5a inserts through hole 5b.And, insert screw S1 at each otch 12a of each substrate installing hole 5a and substrate 12, by fastening nut N1, substrate 12 is fixed on heat radiation abutment portion 5.In addition, on the both side edges on the shorter direction of heat radiation abutment portion 5 upper surfaces, be respectively equipped with for blocking respectively and hang on the otch 5d that 1 couple (the there is shown) card that covers on 13 is hung pawl 13c.And, as shown in Fig. 3 (b), cover each card of 13 and hang pawl 13c card and be hung on each otch 5d of heat radiation abutment portion 5 by making, be fixed on heat radiation abutment portion 5 thereby cover 13.In addition, be located at the circular hole 13b that covers 1 pair of circle on 13 and use the hole for the confirmation that is used for visual confirmation nut N 1.
As shown in Fig. 4 (a), base portion 3 is formed cylindric by the metal material with thermal diffusivity, in the present embodiment by aluminium die casting system.On the upper surface of base portion 3, be provided with separatedly at certain intervals each other the fin 31 of outstanding upward a plurality of rectangular plate shape along a direction.In addition, take diametrically outwards outstanding a plurality of fin 30 as 1 group, separate predetermined interval and be provided with many groups (in present embodiment being 3 groups) along circumferencial direction on the periphery wall of base portion 3.Like this, by above-mentioned fin 30,31 is set, thereby the heat conduction efficiency of the surface area that has increased the outer surface of base portion 3 having improved from base portion 3 to atmosphere improved the radiating effect of the heat that LED chip 10 sends.
On the upper surface of base portion 3, as shown in Fig. 4 (a), be formed with the boss portion 33 of the 1 pair of circular cone shape that projects upwards, be provided with the internal thread part (not shown) that makes hold-down screw S4 fastened on each boss portion 33.And, be inserted with respectively hold-down screw S4 in being located at 1 pair of patchhole (not shown) of top board 7, make top board 7 be fixed in base portion 3 (with reference to figure 2 (a), (b)) by the internal thread part that is fastened on each boss portion 33.In addition, be formed with the semicircular teat 34 of 1 couple that upwards outwards give prominence in the footpath on the periphery wall of base portion 3, be respectively equipped with circular frame installing hole 34a on each teat 34.
In the bottom of base portion 3, as shown in Fig. 1 (a), be provided with the 1st recess 32 of depression upward, LED module 1 is fixed on the inner bottom part of the 1st recess 32 by heat radiation abutment portion 5.In addition, on the internal perisporium of the 1st recess 32, as shown in Fig. 1 (b), along the circumferential direction be provided with a plurality of fin 32a that inwardly give prominence to diametrically.
As shown in Fig. 4 (b), frame 4 is formed cylindric by the metal material with thermal diffusivity, is aluminium die casting system in the present embodiment.Be provided with downwards the 2nd recess 42 of depression on the top of frame 4, incident arranged from the entrance port 40 of the circle of the light of LED chip 10 at the inner bottom part opening of the 2nd recess 42.40 the upside in the entrance port, loading across circular packing ring 45 has the discoid light-passing board 44 (light transparent member) that is formed by the resin material with diffusion light transmission (being Merlon in present embodiment).And, consist of by light-passing board 44 sealing entrance ports 40, make heat-dissipating space from the thermal convection current of LED chip 10 by described the 1st recess 32 and the 2nd recess 42.
The opening of the bottom of frame 4, as shown in Fig. 1 (a), the exit wound of bullet 41 of the circle that penetrates to the outside for light that will 40 incidents from the entrance port, the inner peripheral surface between entrance port 40 and exit wound of bullet 41 is along with 40 becoming the curved surface of expansion diametrically to exit wound of bullet 41 from the entrance port.This curved surface is white by the coating coating such as acrylic coat etc., and consists of reflection from the reflection of light 4a of section of LED chip 10.And, as shown in Figure 5,, and penetrate to plummet below almost from exit wound of bullet 41 by reflecting part 4a reflection from the light of LED chip 10.
At the internal perisporium of the 2nd recess 42, as shown in Fig. 4 (b), be provided with a plurality of fin 42b that inwardly give prominence to diametrically along circumferencial direction.The upper end of above-mentioned fin 42b, be constituted as with the bottom of the fin 32a of base portion 3, base portion 3 and frame 4 in conjunction with the time toward each other and contact.In addition, the inner bottom part at the 2nd recess 42 is provided with for the internal thread part 42a that 1 couple (there is shown 1) who fixes annular reflex plate 6 described later is installed with the form that clips entrance port 40.
In the bottom of frame 4, as shown in Fig. 4 (b), be formed with the flange 43 of outwards giving prominence to diametrically on whole circumferencial direction.In addition, on the periphery wall of frame 4, take diametrically outwards outstanding a plurality of fin 46 as 1 group, separate certain intervals and be provided with many groups (in present embodiment being 3 groups) along circumferencial direction.By fin 46 so is set, increased frame 4 outer surface surface area and improved from frame 4 to atmosphere heat conduction efficiency, improved the radiating effect of the heat that LED chip 10 sends.In addition, be formed with from flange 43 boss portion 48 of 1 pair of outstanding circular cone shape upward at the periphery wall of frame 4, each boss portion 48 is provided with the internal thread part (not shown) of fastening hold-down screw S3.Above-mentioned each boss portion 48 faces with each other with each teat 34 of base portion 3, and hold-down screw S3 is inserted frame installing hole 34a and is fastened on internal thread part, can make thus base portion 3 and frame 4 machinery and hot links.
In addition, the periphery wall of frame 4, as shown in Fig. 4 (b), predetermined 3 the spring fitting sections that are used for installing fixing mounting spring 49 described later 47 that are arranged at intervals with spaced apart in the circumferential direction.Mounting spring 49, for example length direction one end by the corrosion resistant plate that makes rectangular plate shape is bent into V word shape and forms, and this end is mounted on spring fitting section 47.The central portion of mounting spring 49 as shown in Fig. 2 (a), is provided with bandy bend 49a.In addition, mounting spring 49 is the outside application of force with the state that is mounted on spring fitting section 47, and the position of the outer surface butt of appliance body 2 and leave can be freely crooked between the position of outer surface of appliance body 2.
Ignition device A and terminal board B as shown in Fig. 2 (a), (b), are mounted on the installing plate 8 that was arranged in 2 minutes with appliance body.And, the top board 7 on installing plate 8 and the top of the base portion 3 that is fixed on appliance body 2 knot that is connected with each other.Top board 7 forms rectangular plate shape by metal material, is formed with the lateral plate 70 of 1 pair of outstanding rectangle downwards with form respect to one another at an end of its length direction.
Installing plate 8, as shown in Fig. 2 (a), the rectangular plate shape parts that formed by metal material bend to the cross section for " ヘ " word shape forms, and are mounted with ignition device A on the lower surface of an end of its length direction, and, be mounted with terminal board B on the lower surface of the other end.In addition, be formed with the installation sheet 80 of 1 pair of outstanding rectangle on the above-mentioned other end of installing plate 8 downwards with form respect to one another.Each lateral plate 70 of above-mentioned installation sheet 80 and top board 7 is bonded by hold-down screw S5 being fastened in patchhole set on each parts (not shown).And installing plate 8 can rotate freely with respect to top board 7 centered by the axle of hold-down screw S5.As mentioned above, can freely rotate because installing plate 8 is constituted as relative top board 7, thus present embodiment is embedded be equipped on ceiling C described later in the time, be easy to insert embedded hole C1 set in ceiling 7.In addition, in present embodiment, top board 7 and installing plate 8 form by galvanized steel plain sheet.
In the situation that during the present embodiment embedding is equipped on ceiling C, as shown in Figure 5, at first make the installing plate 8 that is mounted with ignition device A and terminal board B by set embedded hole C1 in ceiling C.After this, under the state of the outer surface of appliance body 2 and each mounting spring 49 butts, appliance body 2 is inserted embedded hole C1.Then, when the periphery butt of the flange 43 that appliance body 2 is inserted into appliance body 2 and embedded hole C1, return to the position of the outer surface that leaves appliance body 2 due to each mounting spring 49, so ceiling C is sandwiched between the bend 49a and flange 43 of each mounting spring 49.And present embodiment is embedded into and is provided in ceiling C and is located between the heat-barrier material D at the ceiling back side.
Below, the flowing of heat of sending for the LED chip 10 in present embodiment describes with accompanying drawing.As shown in the wave T of Fig. 1 (a), the heat that LED chip 10 sends conducts to base portion 3 via substrate 12 with heat radiation abutment portion 5, and then conducts and dispel the heat in atmosphere from the outer surface of base portion 3.In addition, a part of heat conducts to frame 4 via the contact site between base portion 3 and frame 4, and from the outer surface of frame 4, and reflecting part 4a conduct and dispel the heat in atmosphere.Here, by fin 30,31,46 separately is set respectively, thereby being increased, the surface area of the outer surface of each several part improved radiating effect on the outer surface of the outer surface of base portion 3 and frame 4.In addition, the reflecting part 4a of frame 4 towards comparing the lower interior space of environment temperature with the space that is surrounded by ceiling C and heat insulation material D, therefore can conduct to the heat of base portion 3 and frame 4 in the atmosphere of the interior space efficiently.Thus, due to the temperature reduction of the contact site between base portion 3 and frame 4, thereby can further improve the radiating effect that is produced by appliance body 2.
On the other hand, as shown in the dotted line T of Fig. 1 (a), heat by 10 radiation of LED chip, thereby conduct to base portion 3 and frame 4 by carrying out convection current by the 1st recess 32 and the 2nd formed heat-dissipating space of recess 42, and then conduct and dispel the heat in atmosphere from outer surface and the reflecting part 4a of base portion 3 and frame 4.Here, by at the inner surface of the 1st recess 32 and the inner surface of the 2nd recess 42, fin 32a being set respectively, 42b, thus increase the inner surface of base portion 3 in heat-dissipating space and frame 4 surface area, improved radiating effect.
As mentioned above, in the present embodiment, be provided with fin 32a on the inwall due to the appliance body 2 that is formed by base portion 3 and frame 4 in heat-dissipating space, therefore 42b can improve the surface area of the inner surface of the appliance body 2 in heat-dissipating space.The radiant heat that therefore, LED chip 10 can be sent conducts to base portion 3 and frame 4 efficiently.Therefore, need not to enlarge heat-dissipating space and improve radiating effect when can realize the miniaturization of appliance body 2.
In addition, in the present embodiment, contact with each other between the upper end due to each fin 42b of the bottom of each fin 32a of base portion 3 and frame 4, therefore compare the heat that LED chip 10 is sent and conduct efficiently with not contacting each other.
Here, in the present embodiment, leave certain distance from the LED chip 10 in heat-dissipating space between entrance port 40 in order to obtain sufficient radiating effect.Therefore, even in the situation that be not provided with annular reflex plate 6, as shown in the dotted line ィ of Fig. 6, the larger light of diffusion angle does not arrive entrance port 40 in from the light of LED chip 10.Thus, the amount due to the light by entrance port 40 reduces and can not obtain sufficient illuminating effect.With respect to this, in the present embodiment, be provided with annular reflex plate 6 as mentioned above in by the 1st recess 32 and the 2nd formed heat-dissipating space of recess 42, make from the light of LED chip 10 inner peripheral surface by the rising portions 60 of annular reflex plate 6 to be reflected, thereby be concentrated on entrance port 40.That is, as shown in the solid line ァ in Fig. 6, the inner peripheral surface of the larger light of diffusion angle by rising portions 60 reflects to become and can arrive entrance port 40 in from the light of LED chip 10.
As mentioned above, in the present embodiment, arrive by making from LED chip 10 rising portions 60 reflections that the light that spreads before entrance port 40 passes through annular reflex plate 6, thereby can be concentrated on entrance port 40, therefore can increase the amount by the light of entrance port 40.Thus, can obtain sufficient illuminating effect in the required heat-dissipating space of guaranteeing to dispel the heat.
But, the rising portions 60 of annular reflex plate 6 is vertically gone up in upright situation about forming, by the major part of the light of the inner peripheral surface reflection of rising portions 60, further penetrated from exit wound of bullet 41 after reflection by the reflecting part 4a of frame 4.In the case, the brightness of the reflecting part 4a of frame 4 increases, and exists the people who looks up ceiling to feel dazzling possibility.Therefore, in the present embodiment, as shown in Figure 6, the rising portions 60 of annular reflex plate 6 is formed along with the opening from the opening upwards side of downside slopes inwardly diametrically.Thus, owing to can and directly not penetrated from exit wound of bullet 41 via the reflecting part 4a reflection of frame 4 by the major part of the light of the inner peripheral surface of rising portions 60 reflection, therefore can reduce the brightness of reflecting part 4a, thereby can make the people who looks up ceiling can not feel dazzling.
In addition, in the present embodiment, because frame 4 is formed by the metal material with thermal diffusivity, so the heat that LED chip 10 sends not only via base portion 3, is also conducted in atmosphere via frame 4, can further improve radiating effect.And, in the present embodiment, because annular reflex plate 6 is formed by the metal material with thermal diffusivity, so the heat that LED chip 10 sends is conducted to annular reflex plate 6, can further improve radiating effect.In addition, although frame 4 and annular reflex plate 6 need not to be formed by the material with thermal diffusivity, expect that for the foregoing reasons it is formed by the material with thermal diffusivity.
Below, with reference to accompanying drawing, the optimal way that is used for enforcement embodiments of the present invention 2 is described.
In the present embodiment, as Fig. 7～shown in Figure 10, have to embed and be equipped on the ignition device 102 that runs through in the embedded hole CE1 that is provided in ceiling material C E and keep the lamp body 101 of electric light source LA and light source LA that lamp body 101 keeps is lit a lamp.In addition, Fig. 7 and Fig. 8 are respectively the cutaway view of VII based on Figure 10-VII section and omit the illustrated figure of a part of internal structure.
Ceiling material C E for its with the building materials CO such as concrete between the flat parts that set with forming wiring space CS, lamp body 101 is that the form of giving prominence in wiring space CS sets with the upper end to the top of ceiling material C E.
For example can use light emitting diode as the light source LA that remains in lamp body 101, in the case, ignition device 102 can adopt known DC power supply circuit is accommodated in suitable chest 121 and the parts that form.As light source LA, can also use other known electric light sources, in any situation, because ignition device 102 all can be realized by known technology, therefore omit its detailed diagram and explanation.
Below, in the explanation of structure, up and down take Fig. 7 as benchmark, in Fig. 7, the direction (above-below direction in Figure 10) of vertical paper is called fore-and-aft direction.That is, the direction under the state that sets with respect to the ceiling material C E of level at lower surface (ceiling surface) CE2 describes as benchmark.
In addition, in the lower surface upper shed of the main part 111 of lamp body 101, luminous intensity distribution recess 110 is arranged, this luminous intensity distribution recess 110 for make central shaft up and down direction increase the such parabolic shape of internal diameter.And, maintaining with the form of exposing in the bottom of luminous intensity distribution recess 110 plate 113 that the material that passed through by the light that makes light source LA forms on lamp body 101, light source LA remains in lamp body 101 at light by the direction that plate 113 penetrates downwards.And the inner peripheral surface of luminous intensity distribution recess 110 is with the light total reflection of light source LA or irreflexive part.Total reflection as above or diffuse reflection can realize by the processing of the inner peripheral surface of luminous intensity distribution recess 110 being implemented as required coating or coating or grinding.
And the outer peripheral face at the main part 111 of lamp body 101 maintains with roughly the same interval 3 mounting spring 103 that formed by leaf spring respectively in a circumferential direction.Each mounting spring 103, have respectively with respect to the outer peripheral face of the main part 111 of lamp body 101 to the one side of thickness direction for example by the chimeric fixed part that is fixed 131, on fixed part 131 from towards with the outstanding clamping part 132 that sets in lower end of the one side of the opposite side of lamp body 101 with from the top of clamping part 132 to a side-prominent hook part that sets 133 of the thickness direction of clamping part 132.Clamping part 132 for its thickness direction under the state that is in elasticity in mounting spring 103 and recovers towards the parts of cardinal principle above-below direction, pass through strain, as shown in phantom in Figure 7, make hook part 133 with respect to fixed part 131 displacement and make thickness direction become possibility towards the displacement of the state radially of the main part 111 of lamp body 101 (below be called " erecting state ") upward.Be in above-mentionedly when erecting state at clamping part 132, hook part 133 becomes from the main part 111 of lamp body 101 radially outward from the projected direction of clamping part 132.That is, when present embodiment sets, be hung on ceiling material C E in the blocking of upper side opening of embedded hole CE1 on every side respectively by the hook part 133 with each mounting spring 103, lamp body 101 temporarily can be remained in ceiling material C E thus.In addition, when making lamp body 101 upward during displacement from the state of the above-mentioned lamp body 101 of temporary transient maintenance as mentioned above, each mounting spring 103 is recovered respectively elasticity to a certain degree.Here, ceiling material C E by resilient clamp between the clamping part 132 of the edge 112 of lamp body 101 and mounting spring 103, thereby forbid that the relative ceiling material C E of lamp body 101 is in the displacement of above-below direction.
In addition, present embodiment, possess on the main part 111 of lamp body 101 be fixed on the position that is arranged in ceiling material C E upside be upper surface fixed part 141 with have the 1st installing plate 104 of comparing with lamp body 101 to along the outstanding protuberance 142 of the direction (Fig. 7's is right-hand) of ceiling surface C E2.And on the protuberance 142 of the 1st installing plate 104, (face of Fig. 7 in) rotatably links the 2nd installing plate 105 that maintenance ignition device 102 is arranged in the face that intersects with ceiling surface C E2.
Particularly, the 1st installing plate 104 and the 2nd installing plate 105 are implemented punch die processing and bending machining to metallic plate respectively and are formed.In addition, on the 2nd installing plate 105, except ignition device 102 also maintains terminal board 106.Terminal board 106 for example has and to form and to offer a plurality of electric wires by the such insulating materials of synthetic resin and insert the shell 161 of through hole 161a (with reference to figure 9) and known a plurality of without screw terminal (speed is tied terminal) (not shown) shell 161 is taken in and remained in the inboard of each electric wire insertion holes 161a in respectively.Electric wire insertion holes 161a possesses the internal wiring wiring and uses the hole.Each without screw terminal respectively with other at least 1 in shell 161 without the screw terminal electrical ties.Namely, via many wires (not shown) and above-mentioned without screw terminal, between light source LA and ignition device 102, by electrical ties, an end separately of these many wires inserts above-mentioned electric wire insertion holes 161a, and, in making the other end and light source LA and ignition device being connected one of be connected.
The fixed part 141 of the 1st installing plate 104 screws togather thickness direction the upper surface of the main part 111 that is fixed in lamp body 101 towards above-below direction.In addition, the protuberance 142 of the 1st installing plate 104 also has base plate 142a from from fixed part 141 to right-hand extension, the outstanding link sheet 142b that sets and an Extendible flake 142c from base plate 142a to the lower right that extend from downwards respectively from the rear and front end of base plate 142a.
The 2nd installing plate 105 has: ignition device maintaining part 151 is fixed with ignition device 102 on the one side downwards; Terminal board maintaining part 152 is fixed with terminal board 106 on the one side downwards; And linking part 153, set and extend from terminal board maintaining part 152 to left from the rear and front end of the left part of terminal board maintaining part 152 is outstanding downwards respectively.Fixing about with respect to the terminal board 106 of fixing, the terminal board maintaining part 152 of the ignition device 102 of ignition device maintaining part 151 can suitably adopt respectively the known approaches that what is called screws togather or concavo-convex engaging is such.In addition, between terminal board maintaining part 152 and ignition device maintaining part 151, be bent into approximately 30 ° on the direction that raises up.Thus, be not bent with above-mentioned position and as a whole terminal board maintaining part 152 compare for plane situation with ignition device maintaining part 151, as shown in Figure 8, for ignition device 102 and terminal board 106 are imported respectively the upside of ceiling material C E and required minimum wiring space CS diminishes (namely fluffing in order to set necessary condition).
Here, be respectively equipped with the dead eye (not shown) of circle coaxially to each other on each linking part 153 that respectively links sheet 142b and the 2nd installing plate 105 of the 1st installing plate 104.And, clip respectively linking sheet 142b and making under the state that communicates with each other between above-mentioned dead eye of the 1st installing plate 104 between the linking part 153 of the 2nd installing plate 105, link for each of the linking part 153 of the 2nd installing plate 105 and the 1st installing plate 104 and insert respectively screw SC1 together with sheet 142b.Thus, the 2nd installing plate 105 is take the central shaft of above-mentioned each screw SC1 as rotating shaft, the rotation freely in as the face shown in Figure 7 of the face that intersects with ceiling surface C E2 of relative the 1st installing plate 104.Above-mentioned each screw SC1 comes off, for example prevent by nut (not shown), this nut and the linking part 153 of the link sheet 142b of the 1st installing plate 104 and the 2nd installing plate 105 is clipped in when screw SC1 screws togather and the head of screw SC1 between.In addition, the integral body of the Extendible flake 142c of the 1st installing plate 104 is for leaving the position of lamp body 101 from above-mentioned rotating shaft.
Here, the 2nd installing plate 105 is with respect to the rotating range of the 1st installing plate 104, the rotating range of (being the clockwise direction in Fig. 7) even on the direction of ignition device 102 displacement downwards, as shown in the dotted line in Fig. 7, be restricted to until as the left end of the terminal board maintaining part 152 of the restriction section of the 2nd installing plate 105 from the position of the Extendible flake 142c butt of the protuberance 142 of top and the 1st installing plate 104 (below be called " lower position ").The left part of the terminal board maintaining part 152 of the 2nd installing plate 105 is by crooked upward, so that be curved surface with the face of the 1st installing plate 104 butts as mentioned above in the 2nd installing plate 105.In above-mentioned lower position, ignition device 102 is positioned at the right-hand of lamp body 101.
In addition, bottom at each linking part 153 of the 2nd installing plate 105, than above-mentioned rotating shaft closer to terminal board maintaining part 152 and than the position of Extendible flake 142c closer to above-mentioned rotating shaft, respectively with at the inside outstanding restriction protuberance 154 that is equipped with of fore-and-aft direction.And, the 2nd installing plate 105 is with respect to the rotating range of the 1st installing plate 104, even ignition device 102 is the rotating range on the direction of displacement (being the counter clockwise direction in Fig. 7) upward, be restricted to until the restriction protuberance 154 of the 2nd installing plate 105 from the position of the Extendible flake 142c butt of the protuberance 142 of below and the 1st installing plate 104 (below be called " upper limit position ").Even at above-mentioned upper limit position, ignition device 102 also is positioned at the right-hand of lamp body 101.That is, in the whole rotating range (range of movement) of the 2nd installing plate 105 with respect to the 1st installing plate 104, ignition device 102 all is positioned at right-hand (namely along ceiling surface C E2 direction) of lamp body 101.
According to said structure, compare with the situation that the rotating range of the 2nd relative the 1st installing plate 104 of installing plate 105 is not restricted, be difficult to occur the broken string of the breakage that causes due to strength that the relative lamp body 101 of ignition device 102 is crossed rotations or the electric wire that interconnects the device 102 of lighting a lamp, terminal board 106 and lamp body 101 etc. when setting.
Yet, in the present embodiment, although the Extendible flake 142c of the head portion by being arranged at the 1st installing plate 104 is restricted clockwise rotating range, but also can be identical with the structure that limits counterclockwise rotating range (restriction protuberance 154), the restriction section of the clockwise rotating range of restriction is set on the linking part 153 of the 2nd installing plate 105.Yet in the situation that adopt this structure, owing to being provided with 2 class restriction sections on the linking part 153 of the 2nd installing plate 105, so the width of linking part 153 (height of above-below direction) might become large.And large if the width of the linking part 153 of the 2nd installing plate 105 becomes, the top periphery of the embedded hole CE1 in ceiling material C E and linking part 153 interfere, and what the operability when existence is inserted lamp body 101 in embedded hole CE1 reduced may.To this, in the present embodiment, restriction section (terminal board maintaining part 152) due to the clockwise rotating range of restriction, be arranged on the position of the linking part 153 that is different from the 2nd installing plate 105, therefore can suppress linking part 153 width dimensions maximization and can realize the raising of operability.
Above, describe the present invention centered by specific embodiment, but in purport of the present invention reaches the scope of additional claim, can carry out various distortion, variation or modification in the art, therefore above-mentioned explanation and accompanying drawing are not the restrictions to technological thought of the present invention, should be able to be by illustration of the present invention is made an explanation.
Claims (4)
1. ligthing paraphernalia is characterized in that possessing:
Light emitting diode;
Ignition device provides to described light emitting diode the electric power of lighting a lamp; And
The appliance body that bottom tube-like is arranged is formed by the material with thermal diffusivity, takes at least described light emitting diode, and, have from the entrance port of the light institute incident of described light emitting diode and the exit wound of bullet that will penetrate to the outside from the light of described entrance port incident,
Described appliance body is such parts: described light emitting diode is installed in the bottom within it, and, the heat that described light emitting diode is sent via self to external cooling,
The light transparent member sealing that described entrance port is formed by the material with light transmission, be provided with between described light emitting diode and described entrance port and make the heat-dissipating space that is dispelled the heat to the outside via described appliance body by the heat of described light emitting diode radiation, inwall at described heat-dissipating space is provided with fin
Described appliance body in conjunction with have the base portion of described inner bottom part and have described entrance port and exit wound of bullet tubular frame and form,
Any one of described base portion and described frame is equipped with described fin within it on wall, the upper end of the bottom of each fin of described base portion and each fin of described frame contacts with each other.
2. ligthing paraphernalia according to claim 1, is characterized in that, described frame wall within it is provided with the reflecting part that makes from the light of described light emitting diode radiation to the lighting space reflection.
3. ligthing paraphernalia is characterized in that possessing:
Light emitting diode;
Ignition device provides to described light emitting diode the electric power of lighting a lamp; And
The appliance body that bottom tube-like is arranged is taken in described light emitting diode at least,
the base portion that described appliance body forms in conjunction with the material with thermal diffusivity, with the frame of tubular and form, the heat that the bottom of described base portion is equipped with described light emitting diode and described light emitting diode is sent sheds to the outside via self, described frame has the entrance port from the light institute incident of described light emitting diode, and the exit wound of bullet that will penetrate to the outside from the light of described entrance port incident, the light transparent member sealing that described entrance port is formed by the material with light transmission, be provided with between described light emitting diode and described entrance port and make the heat-dissipating space that dispels the heat to the outside via described base portion from the heat of described light emitting diode radiation, periphery in described entrance port is provided with reflection part, described reflection part is erect towards described base portion, and, has the reflecting surface that makes from the light reflection of described light emitting diode within it on side face, described frame is formed by the material with thermal diffusivity,
Any one of described base portion and described frame is equipped with fin on wall within it, and the upper end of the bottom of each fin of described base portion and each fin of described frame contacts with each other.
4. ligthing paraphernalia according to claim 3, is characterized in that, described reflection part is formed by the material with thermal diffusivity.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP075799/2010 | 2010-03-29 | ||
| JP2010075799A JP5520107B2 (en) | 2010-03-29 | 2010-03-29 | lighting equipment |
| JP078657/2010 | 2010-03-30 | ||
| JP078658/2010 | 2010-03-30 | ||
| JP2010078657A JP5399964B2 (en) | 2010-03-30 | 2010-03-30 | lighting equipment |
| JP2010078658A JP5399965B2 (en) | 2010-03-30 | 2010-03-30 | lighting equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102207269A CN102207269A (en) | 2011-10-05 |
| CN102207269B true CN102207269B (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100789377A Expired - Fee Related CN102207269B (en) | 2010-03-29 | 2011-03-28 | Lighting fixture |
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| CN (1) | CN102207269B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014007102A (en) * | 2012-06-26 | 2014-01-16 | Panasonic Corp | Lighting apparatus |
| EP3306656B1 (en) * | 2015-05-29 | 2020-04-01 | Shindengen Electric Manufacturing Co., Ltd. | Semiconductor device and method for mounting semiconductor device |
| CN111578191A (en) * | 2019-02-18 | 2020-08-25 | 松下知识产权经营株式会社 | Lighting device |
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| TWM332793U (en) * | 2007-11-28 | 2008-05-21 | Cooler Master Co Ltd | Heat radiating structure and the lighting apparatus |
| CN100587327C (en) * | 2006-11-30 | 2010-02-03 | 三菱电机株式会社 | Embedding illumination instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10214516A (en) * | 1997-01-31 | 1998-08-11 | Matsushita Electric Works Ltd | Recessed luminaire |
| JP4678377B2 (en) * | 2007-02-19 | 2011-04-27 | パナソニック電工株式会社 | lighting equipment |
| JP4423574B2 (en) * | 2009-10-20 | 2010-03-03 | 東芝ライテック株式会社 | Lighting device |
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2011
- 2011-03-28 CN CN2011100789377A patent/CN102207269B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100587327C (en) * | 2006-11-30 | 2010-02-03 | 三菱电机株式会社 | Embedding illumination instrument |
| TWM332793U (en) * | 2007-11-28 | 2008-05-21 | Cooler Master Co Ltd | Heat radiating structure and the lighting apparatus |
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| Title |
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| JP特开2008-204737A 2008.09.04 |
| JP特开2010-16003A 2010.01.21 |
| JP特开平10-214516A 1998.08.11 |
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