Light-bar lamp and Recessed light
Technical field
The present invention relates to a kind of light-bar lamp, particularly a kind of the lamp bar is arranged to form the light fixture of round shape light type output.
Background technology
Light emitting diode (Light Emitter Diode; LED) lamp and traditional incandescent lamp comparison under identical illumination, the LED lamp can be saved the energy benefit more than 40% approximately, also because so, comprised in the middle of the conservation measures of various countries LED has been imported every lighting field, thereby impelled the generation of LED lighting device miscellaneous.
LED lamp bar is a kind of LED to be linearly aligned light-emitting device because make easily, cost is low, so it is used little by little expansion and comes.Yet in the general light fixture commonly used, it is to be used at large that the circular luminaire of tool circle shape light type is provided.Because therefore rectangle LED lamp bar and the inborn incompatibility of circular luminaire, can't apply to the LED lamp bar than the tool economic benefit in the circular luminaire.
Inconvenience in view of above-mentioned application, adopt the means of LED to have two: one usually for using single high-power LED in the general circular luminaire, yet the high-power LED heat production is many, therefore needs good heat radiation, and this demand will improve the Design of Luminaires complexity, increase cost; Two for using circular circuit board, and LED is done arrayed in circular circuit board, makes it can project the circular light type, though these means can be reached the purpose that projects the circular light type, yet, the high unfavorable factor of circular circuit board tool cost.
In sum, LED lamp bar is a kind of lighting device easy, that cost is low of making, yet on the circular luminaire that still the LED lamp bar of this tool economic benefit can't be applied to generally use at present.And the breakthrough of this technology is waited to research and develop in fact.
Summary of the invention
The objective of the invention is to, a kind of light-bar lamp and a kind of Recessed light are provided, to produce the output of circular light type.
The present invention discloses a kind of light-bar lamp, comprises at least three lamp bars, a framework.Respectively this lamp bar comprises a plurality of light emitting diodes and has a first end and a second end with respect to this first end.This framework comprises a ring part, and described lamp bar is arranged in this ring part, and the described first end of wherein said lamp bar is fixed in this ring part, and respectively this second end of this lamp bar is adjacent to a side of adjacent this lamp bar.
The present invention discloses a kind of Recessed light, comprises a lampshade and an aforesaid light-bar lamp.This lampshade tool one accommodation space, and this light-bar lamp is embedded in this accommodation space.
Produce near circular light type output the heat dissipation element that the lamp bar is corresponding with it one-tenth one module capable of being combined wherein, the convenience that is beneficial to change thus.This technology have module extendibility and replacement, simple in structure, can utilize cheaply heat dissipation element and advantage such as in light weight.
Description of drawings
Fig. 1 is the combination schematic diagram of the light-bar lamp of one embodiment of the invention;
Fig. 2 is the decomposing schematic representation of the light-bar lamp of one embodiment of the invention;
Fig. 3 is the upward view of the light-bar lamp of one embodiment of the invention;
Fig. 4 is the schematic diagram of the lamp bar module of one embodiment of the invention;
Fig. 5 is the schematic diagram of the light-bar lamp of another embodiment of the present invention;
Fig. 6 is the upward view of the light-bar lamp of one embodiment of the invention;
Fig. 7 is the schematic diagram that the lamp bar of another embodiment of the present invention is arranged;
Fig. 8 is the schematic diagram of the vertical type Recessed light of one embodiment of the invention;
Fig. 9 is the schematic diagram of the vertical type Recessed light of another embodiment of the present invention; And
Figure 10 is the schematic diagram of the horizontal Recessed light of one embodiment of the invention.
Wherein, description of reference numerals is as follows:
100,100 ' light fixture, 102 lamp bars
104 frameworks, 106 ring parts
108,108 ' power module, 110 structural framings
112 supports
202 circuit boards, 204 screws
206 heat dissipation elements, 208 fin
210 Fixed Divisions, 212 fixed frames
214 cooling bases
302 light emitting diodes, 304 first ends
306 the second ends, 308 sides
310 polygonal zones
402 lamp bar modules, 404 connectors
800,800 ' vertical type Recessed light, 802 lampshades
804 pairs of discharge orifice 806 openings
808 accommodation spaces
The 902 screw crown tops of burner, 904 power lines
1000 horizontal Recessed lights, 1002 lampshades
1004 pairs of discharge orifice 1006 power modules
The specific embodiment
Referring to figs. 1 through 3, light-bar lamp 100 comprises at least three lamp bars 102 and a framework 104.Respectively this lamp bar 102 comprises a plurality of light emitting diodes 302 and a microscler circuit board 202.This light emitting diode 302 is arranged on the longitudinal direction of lamp bar 102 in regular turn, and is fixed in these microscler circuit board 202 surfaces and forms an approximate line style luminous light source device.Respectively this lamp bar 102 comprises first end 304 and the second end 306, and this first end 304 is two opposed side edges of this microscler circuit board 202 with the second end 306 in addition.Framework 104 rounded ring-types and can making by metal, it comprises a ring part 106, this ring part 106 is positioned at framework 104 bottoms, it comprises the side of circle and a cylindrical in, and should in circle and cylindrical the one approximate common center of circle is arranged.Described lamp bar 102 is arranged in the interior circle of this ring part 106, and the described first end 304 of wherein said lamp bar 102 equidistantly is fixed in this ring part 106, and the arc length between promptly described first end 304 bearings is identical.Respectively this second end 306 of this lamp bar 102 is adjacent with a side 308 of another this lamp bar 102, so respectively overlaps (shown in Fig. 3 arrow A) each other on this second end 306 and the adjacent side 308 hoops order.The length of side 308 is greater than the length of first end 304 or the second end 306 in the present embodiment.
Because lamp bar 102 is fixed on the ring part 106, so it is all in the same plane, and, therefore can reach the purpose that lamp bar 102 is applied to the light fixture 100 of toroidal because it is arranged in the circular array of sub-circular, and adopt this aligning method, can obtain near circular light type output.In addition, the mode of this arrangement because 102 of lamp bars have the identical distance space, therefore can improve the efficient of cold-hot air convection.In addition, the present invention discloses by 102 arrangements of lamp bar and produces the output of circular light type, and compared to the prior art of using circular circuit board, the present invention has preferable fault replaceability.The LED fault is even arranged, use circular circuit board person need change the entire circuit plate, the technology that the present invention discloses then only need be changed the lamp bar 102 at fault LED place.
The mode that first end 304 is fixed on the ring part 106 has many kinds, and present embodiment is locked corresponding perforate (not shown) on the circuit board 202 with screw 204 and is positioned at corresponding screw (not shown) on the ring part 106.
Lamp bar 102 on the center of ring part 106 around a polygonal zone 310, its by the side 308 of each lamp bar 102 by against locate to the second end 306 parts around forming, and each interior angle all can be identical in the polygonal zone 310.In present embodiment, polygonal zone 310 is one square for what surrounded into by four lamp bars 102.
With reference to Fig. 1 and Fig. 2, the back side of each lamp bar 102 emission side can be provided with a heat dissipation element 206, and it provides the usefulness of light emitting diode 302 heat radiations.This heat dissipation element 206 comprises the use radiating fin, or is a passive radiating device (as shown in Figure 1).Radiating fin comprises use aluminium extruded type fin or line cutting fin.Passive radiating device comprises a plurality of fin 208 and a Fixed Division 210.One side vertical connection of this Fixed Division 210 and this fin 208, wherein this Fixed Division 210 is used to pasting the heat-delivery surface (not shown) in this light emitting diode 302, this heat-delivery surface is positioned at the back side of the light-emitting area of this light emitting diode 302, and the mode of joining of this Fixed Division 210 and this heat-delivery surface comprises welding.Passive radiating device can be formed a lamp bar module 402 (as shown in Figure 4) altogether with lamp bar 102, so modularized design, can make replacing more convenient, promptly when the LED fault, only with the lamp bar module 402 whole replacings of fault, then attaching plug inserts connector 404, does a little simple fixing getting final product at last.In addition, the heat dissipation element 206 that corresponds to each lamp bar 102 can be formed a cooling base 214 altogether, and it can be fixed in framework 104 and form a fixed structure in the light-bar lamp 100.When the LED fault, only need lamp bar 102 replacings with the LED place of fault in this design down.
The power supply of lamp bar 102 is supplied by a power module 108, and its cross section can be made into corresponding with aforesaid polygonal zone 310, makes power module 108 can be placed in this place, so can fully effectively utilize the space of light fixture 100.Power module 108 is fixed with a structural framing 110, and this structural framing 110 comprises the fixed frame 212 of fixed power source module 108, and is connected in the support 112 that framework 104 is used to support this fixed frame 212.
With reference to Fig. 5 and Fig. 6, the first end 304 of five lamp bars 102 is fixed in equidistant mode on the ring part 106 of framework 104, respectively this second end 306 is toward the other biasing in the same sides radially, and against a side 308 of this lamp bar 102 of its adjacency.Because the light fixture 100 of present embodiment ' arrange forming rotund smooth type output by five lamp bars 102, so on the center of ring part 106 around the First Five-Year Plan angular domain, and this pentagonal interior angle can be identical.Power module 108 ' can have pentagonal shape of cross section can be positioned in this pentagon zone it, reaches the validity of space utilization thus.
With reference to Fig. 7, present embodiment is gone up in equidistant mode the first end 304 of six lamp bars 102 and is arranged in an annular, and respectively this second end 306 is gone up in proper order towards approximately uniform direction in a hoop and fixed, and against a side 308 of this lamp bar 102 of its adjacency.Thus, the technology that the present invention discloses can will comprise lamp bar 102 annular arrangements more than at least three in light fixture 100, to produce the circular light type.Each lamp bar 102 be subjected to against the position can be identical, make the polygonal zone 310 that centers on the center have identical interior angle, right this condition is preferable but is not to be necessity, for example, the polygonal zone 310 that surrounds into four lamp bars 102 also can be all aniso-parallelogram of interior angle except that square.
With reference to Fig. 1 and Fig. 8, in the accommodation space 808 of the close opening 806 of the lampshade 802 of disclosed light fixture 100 ' can a be embedded at vertical type, make it become a vertical type Recessed light 800.The power supply of lamp bar 102 can be by the power module 108 ' supply that is placed in the Recessed light 800.Because the space, interval of 102 of lamp bars, make heat that lamp bar 102 produces can be easily from Recessed light 800 tops to discharge orifice 804, dispel the heat (along the direction of arrow) in the mode of thermal natural convection, and avoid lamp bar 102 overheated.
With reference to Fig. 9, vertical type Recessed light 800 ' the top can have a screw crown top of burner 902, utilize this screw crown top of burner 902 can be with this vertical type Recessed light 800 ' be fixed in its corresponding female flight (not shown), thus that disclosed technology is compatible in traditional light fixture.This vertical type Recessed light 800 ' also comprise being used to provide the power line 904 that electrically connects between this screw crown top of burner 902 and this light-bar lamp by the screw crown top of burner 902 and power line 904, makes external power source can be provided in lamp bar 102.
With reference to Fig. 1 and Figure 10, disclosed light fixture 100 ' also can be embedded in the lampshade 1002 of a horizontal makes it become a horizontal Recessed light 1000.Be subject to the volume of horizontal Recessed light 1000, the power module 1006 of lamp bar 102 must be placed in outside the Recessed light 1000.Because the space, interval of 102 of lamp bars, make heat that lamp bar 102 produces can be easily from Recessed light 1000 tops to discharge orifice 1004, dispel the heat (along the direction of arrow) in the mode of thermal natural convection, and avoid lamp bar 102 overheated.
Comprehensively described, the technology that the present invention discloses is utilized lamp bar cheaply, is fixed in the light fixture in the mode of annular array, and produces thus near circular light type output, the heat dissipation element that the lamp bar is corresponding with it one-tenth one module capable of being combined wherein, the convenience that is beneficial to change.The technology of this exposure have module extendibility and replacement, simple in structure, can utilize cheaply heat dissipation element and advantage such as in light weight.
Technology contents of the present invention and technical characterstic disclose as above, yet those skilled in the art still can be based on teaching of the present invention and announcements and done all replacement and modifications that does not deviate from spirit of the present invention.Therefore, protection scope of the present invention should be not limited to the scope that embodiment discloses, and should comprise various do not deviate from replacement of the present invention and modifications, and is contained by claims institute restricted portion.