CN202561469U - Lighting device - Google Patents
Lighting device Download PDFInfo
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- CN202561469U CN202561469U CN2012200442376U CN201220044237U CN202561469U CN 202561469 U CN202561469 U CN 202561469U CN 2012200442376 U CN2012200442376 U CN 2012200442376U CN 201220044237 U CN201220044237 U CN 201220044237U CN 202561469 U CN202561469 U CN 202561469U
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- substrate
- device body
- substrates
- peristome
- lighting device
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Abstract
The utility model discloses a lighting device which comprises a device body, a light-emitting unit and a mounting portion. The device body is provided with an opening portion, the light-emitting unit is provided with a plurality of tabulate substrates and a plurality of light-emitting portions, the tabulate substrates are configured in the device body and are segmented to correspond to each specific area opposite to the opening portion, and the light-emitting portions are provided with semiconductor light-emitting elements mounted on one surface of each of the substrates opposite to the opening portion. The substrates are mounted on the device body in such a manner that the angles of the substrates opposite to the opening portion are different by the mounting portion.
Description
Technical field
The embodiment of the utility model relates to a kind of lighting device that uses semiconductor light-emitting elements.
Background technology
As using semiconductor light-emitting elements is light emitting diode (Light Emitting Device, the LED) lighting device of element, the street lamp that for example has pair road to throw light on.
In this lighting device, use a plurality of light emitting modules (module) that the LED element is installed,, in device body, a plurality of light emitting modules are configured to solid figure in order to obtain the suitable required luminous intensity distribution that road is thrown light in order to obtain required brightness.
And, also have and use the flat substrate of a slice that a plurality of LED elements are installed also this substrate to be disposed at the street lamp in the device body.
The utility model content
The problem that utility model will solve
But, a plurality of light emitting modules are being configured in the lighting device of solid figure, though can obtain required luminous intensity distribution, the problem that has complex structure and become large-scale.
And, on a plate base, being equipped with in the lighting device of a plurality of LED elements, therefore all illuminating parts on the substrate are difficult to obtain required luminous intensity distribution towards equidirectional.
The utility model problem to be solved is to provide a kind of lighting device, can obtain required luminous intensity distribution, and simple in structure and can realize small-sized.
The lighting device of embodiment possesses device body, luminescence unit (unit) and installation portion.Device body has peristome.Luminescence unit possesses flat a plurality of substrate and a plurality of illuminating part; Said flat a plurality of substrates are disposed in the device body; And corresponding to peristome in opposite directions each regulation zone and cut apart, said a plurality of illuminating parts have the semiconductor light-emitting elements on the one side that is installed in peristome a plurality of substrates in opposite directions.Installation portion makes a plurality of substrates being installed on the device body with peristome angle in opposite directions of each substrate of a plurality of substrates differently.
Lighting device according to said structure; Corresponding to cutting apart flat a plurality of substrate with peristome each regulation zone in opposite directions of device body, a plurality of semiconductor light-emitting elements are installed on each substrate of a plurality of substrates a plurality of illuminating parts are set, and then; Make the each substrate of a plurality of substrates different with peristome device body angle in opposite directions; Thus, can obtain required luminous intensity distribution, and simple in structure and can realize small-sized.
Description of drawings
Fig. 1 is the cutaway view of the lighting device of expression the 1st embodiment.
Fig. 2 is the front view of luminescence unit of the lighting device of expression the 1st embodiment.
Fig. 3 is the stereogram of the lighting device of expression the 1st embodiment.
Fig. 4 is the stereogram of the arranged illumination devices state of expression the 1st embodiment.
Fig. 5 is the front view of the luminescence unit of expression the 2nd embodiment.
[explanation of symbol]
11: lighting device
12: road
13: pillar
21: device body
22: the light transmission cover
23: luminescence unit
24: installation portion
25: lens
26: lamp circuit
31: lower box body
32: upper cartridge body
34: peristome
37: the pillar installation portion
38,39: installing hole
40: cover
42,43: box body portion
45: liner
50a, 50b, 50c: substrate
51: illuminating part
The 52:LED element
53,74: connector
54: wiring hole
57: installed surface
58: screw
71: circuit substrate
72: circuit component
73: wire harness
80: board
A: the one side of substrate
B: the another side of substrate
θ 1: the angle that substrate tilted of front side
θ 2: the middle angle that substrate tilted
θ 3: the angle that substrate tilted of rear side
The specific embodiment
Below, referring to figs. 1 through Fig. 4 the 1st embodiment is described.
As shown in Figure 4, as lighting device 11, the street lamp that mainly road 12 is thrown light on is shown.This street lamp is installed in the upper end of the pillar 13 of the for example curb side of erectting the width side that is arranged at road 12; Mainly towards the middle section of road 12 and with the street lamp center towards along the zone of the direction (vehicle heading) of road 12 and radiating light throws light on road pavement from the curb zone of road 12.In Fig. 4, be illustrated in the upper end and on the pillar 13 of road 12 side horizontal curvatures, the state of lighting device 11 be installed, but also can be installed in the upper end on the vertically extending pillar 13 in top.
To shown in Figure 3, lighting device 11 possesses device body 21, light transmission cover (cover) 22, luminescence unit 23, installation portion 24, a plurality of lens 25 and lamp circuit 26 like Fig. 1.In addition, below, about lighting device 11; After a side that is installed on pillar 13 is made as; Before opposition side is made as, so will link said before with after direction be made as fore-and-aft direction, will be with respect to this fore-and-aft direction and the direction of along continuous straight runs quadrature is made as right and left and always describes.
At the lower surface of lower box body 31, be formed with the peristome 34 that light passes through.The mode of the narrowed width of the left and right directions of peristome 34 and front side longer than left and right directions and forming with the length of fore-and-aft direction.
In the rear portion side of lower box body 31, be formed with the pillar installation portion 37 that is installed on pillar 13.Pillar installation portion 37 possesses the lower surface of the rear portion side that is formed on lower box body 31 and the installing hole 38,39 on surface, back.Any one inserts in lower box body 31 front end of pillar 13 from said installing hole 38,39, in lower box body 31, through not shown installing mechanism lower box body 31 is installed on the front end of pillar 13.In this embodiment, as shown in Figure 3, be to utilize the installing hole 39 on surface, back to be installed on pillar 13, and do not utilize the installing hole 38 of lower surface that installing hole 38 quilt covers 40 of this lower surface stop up.In addition, when in the installation to pillar 13, utilizing the installing hole 38 of lower surface, the installing hole 39 on surface, back is stopped up by same cover.
And light transmission cover 22 for example forms tabular by the material of transparent or semitransparent resin or glass (glass) etc.The profile of light transmission cover 22 is with respect to the shapes similar that is shaped as of the peristome 34 of lower box body 31, and forms the big slightly size of ratio open portion 34.Periphery at light transmission cover 22 is installed with liner (packing) 45.Light transmission cover 22 inserts from the inboard of lower box body 31, and is fixed in the edge portion of the peristome 34 that forms lower box body 31, with occlusion of openings portion 34 via liner 45.
And luminescence unit 23 has with peristome 34 and is disposed at a plurality of substrate 50a, 50b, the 50c in the device body 21 in opposite directions and is located at a plurality of substrate 50a, 50b, the last a plurality of illuminating parts 51 of 50c.A plurality of substrate 50a, 50b, 50c corresponding to peristome 34 in opposite directions each regulation zone and cut apart.In this embodiment, be divided into the substrate 50a of front side, the substrate 50b of central authorities, this three part of substrate 50c of rear side along the fore-and-aft direction of peristome 34.As shown in Figure 2, there be the shape relation similar that 3 substrate 50a, 50b, 50c are constituted with the interior shape of peristome 34.
Promptly forming insulating barrier and Wiring pattern (pattern) in regular turn on the whole zone of one side A, on this Wiring pattern, install and electrically connecting a plurality of LED elements 52 and 1 connector (connector) 53 as a plurality of semiconductor light-emitting elements with the installed surface of in opposite directions substrate 50a of peristome 34,50b, 50c.
Installation for LED element 52; Use in this embodiment and be disposed in the container LED element 52 and with luminescent coating covered surfaces installation elements (Surface Mount Device; SMD) encapsulation (package); But also can use chip on board (Chip On Board, COB) mode that a plurality of LED elements 52 directly are installed on substrate 50a, 50b, 50c and cover with the luminescent coating one.In addition, as semiconductor light-emitting elements, also can use electroluminescent (Electro Luminescence, EL) element etc.
And, last along fore-and-aft direction and left and right directions and equally spaced arranging a plurality of LED elements 52 in this embodiment at substrate 50a, 50b, 50c, constitute a plurality of illuminating parts 51 by said a plurality of LED elements 52.
Connector 63 is connected in series in substrate 50a, 50b, the last a plurality of LED elements 52 of 50c through the Wiring pattern of substrate 50a, 50b, 50c.
Last at substrate 50a, 50b, 50c, near position connector 53 is formed with the wiring hole 54 that runs through substrate 50a, 50b, 50c.
In addition, the one side A of substrate 50a, 50b, 50c for example dresses up the reflecting surface that white forms high reflectance through being coated with except the installation region of LED element 52 and connector 53.And; Two ends at the left and right directions of substrate 50a, 50b, 50c are installed under the state of device body 21 through installation portion 24; The another side B of substrate 50a, 50b, 50c exposes to device body 21, also a plurality of radiating fins (fin) can be set on the another side B of this substrate 50a, 50b, 50c.
And installation portion 24 is by the metal parts of the lower box body that is installed on device body 21 31 or be integrally formed at the convexity formations such as (boss) of lower box body 31, and disposes corresponding to the split position of each substrate 50a, 50b, 50c in the left and right sides of peristome 34.At the upper surface of installation portion 24, the one side A that forms the two ends of the left and right directions that makes substrate 50a, 50b, 50c carries the installed surface 57 of putting and installing.On this installed surface 57, carry the two ends of the left and right directions that is equipped with substrate 50a, 50b, 50c, be fixed at installation portion 24 and fastening through a plurality of screws 58 that will run through substrate 50a, 50b, 50c, thereby substrate 50a, 50b, 50c are installed on installation portion 24.Under the installment state of substrate 50a, 50b, 50c, but substrate 50a, 50b, 50c, installation portion 24 and device body 21 thermally coupleds and heat conduction.
The installed surface 57 of installation portion 24 passes the mode of peristome 34 towards the place ahead with the illuminating part 51 of the substrate 50a that installed, 50b, 50c, tilts with respect to peristome 34 (lower surface of device body 21).In addition, the angle of the installed surface 57 that tilts with respect to peristome 34 (lower surface of device body 21) of each installation portion 24 of each substrate 50a, 50b, 50c is different.Therefore, be installed on installation portion 24 each substrate 50a, 50b, 50c each substrate with respect to peristome 34 (lower surface of device body 21) and the angle that tilts is different.Angle θ 1 minimum that the substrate 50a of front side is tilted, the angle θ that the substrate 50c of rear side is tilted is maximum, and the angle θ 2 that middle substrate 50b is tilted has the relation of θ 1＜θ 2＜θ 3 between the centre of angle θ 1 with θ 3.
And lens 25 are for example by transparent resin or glass and form the convex lens of semi-spherical shape.In this embodiment, lens 25 are provided with corresponding to each illuminating part 51 severally, and are installed on substrate 50a, 50b, 50c.In addition, lens 25 can control the luminous intensity distribution of the light of self-luminescent part 51, for example also in the future self-luminescent part 51 light-operated process luminous intensity distribution that expansions to left and right direction open and towards the luminous intensity distribution of opening along direction (vehicle heading) expansion of road 12.
And lamp circuit 26 is input AC electric power for example, converts direct current power to and be supplied to a plurality of LED elements 52 of each substrate 50a, 50b, 50c.Lamp circuit 26 possesses circuit substrate 71 and is installed on a plurality of circuit component 72 on this circuit substrate 71.And lamp circuit 26 is disposed at more upside of luminescence unit 23 in device body 21, that is, be installed in the box body portion 43 of cover 32.
Lamp circuit 26 electrically connects through wire harness (harness) 73 with each substrate 50a, 50b, 50c.Front end at wire harness 73 is provided with connector 74, and this connector 74 passes the wiring hole 54 of each substrate 50a, 50b, 50c and leads to the one side A side of each substrate 50a, 50b, 50c and be connected in connector 53.In addition; Both can form 1 series circuit with respect to lamp circuit 26 through utilizing wire harness 73 to come to connect successively substrate 50a, 50b, 50c, also can be through to each substrate of substrate 50a, 50b, 50c rat tail 73 and form 3 series circuits severally parallelly connectedly with respect to lamp circuit 26.In addition; For lamp circuit 26; Both can connect 1 series circuit through utilizing wire harness 73 to come to connect successively substrate 50a, 50b, 50c, also can be through to each substrate of substrate 50a, 50b, 50c rat tail 73 and connect 3 series circuits severally parallelly connectedly.
And the lighting device 11 that constitutes in this way is installed in the upper end of pillar 13 like Fig. 3 and shown in Figure 4, and is provided in the lamp circuit 26 that pillar 13 interior power lines are electrically connected at lighting device 11, can be to lamp circuit 26 power supplies through power line.
Through lamp circuit 26 power supplies of illumination apparatus 11, supply with the electric power of lighting a lamp from 26 couples of each substrate 50a of lamp circuit, 50b, 50c, the LED element 52 of each substrate 50a, 50b, 50c is lit a lamp.Be incident to lens 25 from the light of the LED element of lighting a lamp 52 radiation, be controlled to the luminous intensity distribution of regulation and from lens 25 outgoing, and see through light transmission cover 22 and emit, to expose to road 12 from the peristome 34 of device body 21 by lens 25.
Each substrate 50a, 50b, 50c tilt towards identical direction with respect to peristome 34, that is, and and to tilt towards the mode of the center side of road 12.Therefore, can make from the curb side of road 12 that lighting device 11 is being set increases towards the light of the center side of road 12, thereby also can be illuminated away from the center side of the road 12 of lighting device 11.
In addition, be installed on installation portion 24 each substrate 50a, 50b, 50c each substrate with respect to peristome 34 (lower surface of device body 21) and the angle that tilts is different.Angle θ 1 minimum that the substrate 50a of front side is tilted; Make light increase, and the angle θ that the substrate 50c of rear side is tilted is maximum towards the curb side of road 12; Make light increase towards the center side of road 12; And the angle θ 2 that middle substrate 50b is tilted makes towards the center side of road 12 and the light increase of the centre of curb side between the centre of angle θ 1 with θ 3.Thus, can spread all over 12 center side and the curb side of road and obtain required luminous intensity distribution.
And lens 25 have makes light expand the light distribution characteristic of opening towards the direction (vehicle heading) along road 12, therefore can illuminate the wide scope along road 12.
And, the heat that when the lighting a lamp of LED element 52, produces from LED element 52 through substrate 50a, 50b, 50c and installation portion 24 heat conduction to device body 21, and be dispersed into the extraneous air from the outer surface of this device body 21.In addition; Surface from the part of LED element 52 heat conduction to the heat of substrate 50a, 50b, 50c from substrate 50a, 50b, 50c is dispersed into the air in the device body 21; And the convection current through the air in the device body 21 is passed to device body 21, and is dispersed into the atmosphere from the outer surface of device body 21.
In the lighting device 11 of this embodiment; Corresponding to cutting apart flat a plurality of substrate 50a, 50b, 50c with peristome 34 each regulation zone in opposite directions of device body 21; On each substrate of a plurality of substrate 50a, 50b, 50c, a plurality of LED elements 52 are installed and a plurality of illuminating parts 51 are set; And then; Make the each substrate of a plurality of substrate 50a, 50b, 50c different, thereby can obtain required luminous intensity distribution with peristome 34 device body 21 angle in opposite directions, and simple in structure and can realize small-sized.
And, a plurality of substrate 50a, 50b, 50c are also used as heat sink, through installation portion 24 end of a plurality of substrate 50a, 50b, 50c is installed on device body 21, therefore can save previous used heat sink, thereby can realize the lightweight of lighting device 11.
And, through adjustment substrate 50a, 50b, 50c towards and the light distribution characteristic of design lens 25, can the proper range of road 12 be thrown light on.
And, through lens 25 being set, can make lens 25 sharings corresponding to each illuminating part 51, perhaps each illuminating part 51 is adjusted luminous intensity distribution severally.
And shown in the 2nd embodiment among Fig. 5, lens 25 also can form corresponding to each substrate of substrate 50a, 50b, 50c.At this moment, form with the mode of coming to link a plurality of lens 25 integratedly through plate (plate) portion 80.For integrally formed lens 25 as so, as long as each substrate of substrate 50a, 50b, 50c is respectively used 1, so the management of part is become easily, also can improve assembling operation property.
In addition, cutting apart of substrate is not limited to be divided into a plurality of situation along fore-and-aft direction, also can be divided into a plurality of along left and right directions.Perhaps, also can be divided into a plurality of along fore-and-aft direction and this both direction of left and right directions.
And, the situation about tilting of a plurality of substrates towards being not limited to and towards identical direction with respect to peristome, also can according to luminous intensity distribution tomorrow opposite towards inclination.
And lighting device is not limited to street lamp, also can be used for other lighting use.
Plurality of embodiments to the utility model is illustrated, but these embodiments are merely illustration, is not intended to limit the scope of utility model.These novel embodiments can other various forms be implemented, and in the scope of the purport that does not break away from utility model, can carry out various omissions, replacement, change.These embodiments or its distortion all are included in the scope of utility model.
Claims (5)
1. lighting device is characterized in that comprising:
Device body has peristome;
Luminescence unit; Have flat a plurality of substrate and semiconductor light-emitting elements; Said flat a plurality of substrates are configured in the said device body; And according to said peristome in opposite directions each regulation zone and cut apart, said semiconductor light-emitting elements is installed on the one side with said peristome said a plurality of substrates in opposite directions; And
Installation portion, make said a plurality of substrates each substrate said a plurality of substrates are installed on said device body with said peristome angle in opposite directions differently.
2. lighting device according to claim 1 is characterized in that,
Said installation portion is installed on said device body with the end of said a plurality of substrates.
3. lighting device according to claim 1 is characterized in that comprising:
Lens, the luminous intensity distribution of the light that said a plurality of illuminating parts are sent is controlled.
4. lighting device according to claim 3 is characterized in that,
Said lens are located at each substrate of said a plurality of substrates integratedly.
5. lighting device according to claim 1 is characterized in that,
In said device body, disposing the lamp circuit that said a plurality of illuminating part is lit a lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200442376U CN202561469U (en) | 2012-02-10 | 2012-02-10 | Lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200442376U CN202561469U (en) | 2012-02-10 | 2012-02-10 | Lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202561469U true CN202561469U (en) | 2012-11-28 |
Family
ID=47211127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200442376U Expired - Fee Related CN202561469U (en) | 2012-02-10 | 2012-02-10 | Lighting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202561469U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106287592A (en) * | 2016-11-09 | 2017-01-04 | 江西省通用节能科技有限公司 | A kind of Multicarity LED street lamp |
-
2012
- 2012-02-10 CN CN2012200442376U patent/CN202561469U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106287592A (en) * | 2016-11-09 | 2017-01-04 | 江西省通用节能科技有限公司 | A kind of Multicarity LED street lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20180210 |