CN204164986U - Lighting device - Google Patents
Lighting device Download PDFInfo
- Publication number
- CN204164986U CN204164986U CN201420541778.9U CN201420541778U CN204164986U CN 204164986 U CN204164986 U CN 204164986U CN 201420541778 U CN201420541778 U CN 201420541778U CN 204164986 U CN204164986 U CN 204164986U
- Authority
- CN
- China
- Prior art keywords
- light
- optical sensor
- light source
- luminescence unit
- tubular lid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model provides a kind of lighting device.Lighting device (11) comprising: luminescence unit (29), and side arranges light source (40); Optical sensor (31), is configured at the opposite side of luminescence unit (29), can not run because receiving the radiating light of light source (40), and sensing brightness around; Ignition device (30), makes light source (40) lighting according to the sensing of optical sensor (31); And device body (12), collecting luminescence unit (29) and optical sensor (31).The lighting device that the utility model provides, can prevent from, because of the radiating light of light source, the lighting state of light source is controlled to less desirable state.
Description
Technical field
The utility model relates to the lighting device that one make use of the light sources such as light emitting diode (Light Emitting Diode, LED) or organic electroluminescent (electroluminescence, EL).
Background technology
For safety lamp, street lamp or street lamp etc., with good grounds brightness (illumination) lighting state to light source around controls.Namely, utilize optical sensor to sense the brightness of surrounding, time by day etc. bright, light source is turned off the light or dim light around, time dimmed around, make light source ignition.And in device body, optical sensor is configured in the rear side of light source can not sense the radiating light (such as with reference to patent document 1) of light source.
[prior art document]
[patent document]
[patent document 1] Japanese Patent Laid-Open 2013-125674 publication (the 5th page, the 1st figure)
Utility model content
[utility model problem to be solved]
But, such as, when outer surface side accumulated snow at device body, can there are the following problems: the radiating light of light source is reflected because of snow and incides in optical sensor, photosensor senses brightness, thus light source is turned off the light or dim light.
The purpose of this utility model be to provide a kind of prevent from because of the radiating light of light source, the lighting state of light source being controlled to the lighting device of less desirable state.
[means of dealing with problems]
Lighting device of the present utility model comprises luminescence unit, and side arranges light source; Optical sensor, is configured at the opposite side of described luminescence unit, can not run because receiving the radiating light of described light source, and sensing brightness around; Ignition device, makes described light source ignition according to the sensing of described optical sensor; And device body, accommodate described luminescence unit and described optical sensor.
Further, described optical sensor has sensitivity in wavelength 260nm ~ 400nm.
Lighting device of the present utility model comprises light source; Optical sensor, sensing brightness; And ignition device, described photosensor senses to brightness be below setting time make described light source ignition, for more than setting time turn off the light; And described optical sensor is arranged to not sense from the light of described light source or its reverberation.
[effect of utility model]
According to lighting device of the present utility model, optical sensor can not run because receiving the radiating light of light source, and sensing brightness around, thus the radiating light of also unprovoked light source can be expected and the lighting state of light source is controlled.
Accompanying drawing explanation
Fig. 1 is the approximate three-dimensional map of the lighting device representing embodiment of the present utility model.
Fig. 2 is the sectional side view of Fig. 1 of embodiment of the present utility model.
Fig. 3 is the profilograph of Fig. 1 of embodiment of the present utility model.
Fig. 4 is the key diagram of the spectrum of the LED representing embodiment of the present utility model.
Fig. 5 represents the key diagram of the optical sensor of embodiment of the present utility model to the sensitivity of wavelength.
Fig. 6 is the key diagram of the spectrum of the sunshine representing embodiment of the present utility model.
The explanation of symbol:
11: lighting device
12: as the tubular lid of device body
13: base end part
14: matrix part
15: arm
16: the top of tubular lid
17: opening portion
18: cylinder body
19: flange part
20: Lighting Division
21: cover portion
22: wall portion
23: stage portion
24: wire
26: through hole
27: the bell hole of mounting screw locking
28,28A, 28B: receiving space
29: luminescence unit
30: as the lamp circuit of ignition device
31: optical sensor
32: groove portion
33: closure
34:O type ring
35: closure plate
36: wiring part
37: waterproof lining
38: cylinder stage portion
39: light-emitting substrate
40: as the LED of light source
41: thermal component
42: housing
43: center
Detailed description of the invention
Below, embodiment of the present utility model is described.Fig. 1 is the stereogram of an example of the lighting device representing embodiment of the present utility model.Represent in Fig. 1 that lighting device is the situation of safety lamp.Lighting device 11 comprises the tubular lid 12 of the light transmission as device body, the matrix part 14 being arranged on base end part 13 side of tubular lid 12 and arm 15.
The top 16 of tubular lid 12 closes, and base end part 13 side forms opening portion 17, forms tubular on the whole.Tubular lid 12 comprises the cylinder body 18 of side, top 16 and the flange part 19 of base end part 13 side, and the peripheral part of the flange part 19 of base end part 13 is cylindrical shape, and the profile of the opening portion 17 inside it is also toroidal.Cylinder body 18 extends from flange part 19 to side, top 16 and is formed, and is arranged on integratedly on flange part 19 with the slightly little drum of the external diameter than flange part 19.
The inside of tubular lid 12 forms the receiving space be communicated with opening portion 17, this receiving space be not with opening portion 17 beyond partially communicating substance close space.Luminescence unit 29 described later and the lamp circuit 30 as ignition device is accommodated in this receiving space.
Tubular lid 12 is integrally formed by the translucent resin such as acrylic acid or Merlon, has light transmission on the whole.And, in the translucent resin of shaping tubular lid 12, add Chinese white or photodiffusion material, thus there is the outward appearance of milky white shape on the whole.In addition, tubular lid 12 can entirety be transparent, also can be the form that a part has light transmission.
In the cylinder body 18 of tubular lid 12, lower side plays function as to shadow surface and road surface through the Lighting Division 20 irradiating light, and upper side plays function as cover (shade) portion 21.Above flange part 19 side in cover portion 21, outstanding form the wall portion 22 that section is U-shaped.This wall portion 22 is with the alignment of its front end and smooth height and being formed.
Around the width of the cylinder body 18 of tubular lid 12, form stage portion 23 continuously with band shape, this stage portion 23 is to slightly more protruding outside than the outer peripheral face in Lighting Division 20 and cover portion 21.Stretched out laterally by this stage portion 23, and stage portion 23 is as the eaves portion performance function of Lighting Division 20, thus water droplet during rainfall not easily flows to Lighting Division 20, dirt is not easily attached to the surface of Lighting Division 20.And the surrounding of the long side direction of cylinder body 18 forms stage portion 23 continuously, and the mechanical strength of cylinder body 18 is also improved thus.
Matrix part 14 is provided on tubular lid 12, is closed the opening portion 17 of tubular lid 12, and is connected to wire 24, and this wire 24 supplies electric power to the luminescence unit 29 of the inside being housed in tubular lid 12.Namely, matrix part 14 has wiring part 36 as described later, supplies electric power from wire 24 via wiring part 36 to lamp circuit 30.
And arm 15 utilizes screw etc. to be arranged on matrix part 14 removably, utilize this arm 15, the tubular lid 12 being equipped with matrix part 14 is installed on the lamp stands such as the electric pole being arranged on road surface.It is the bend 25 that the pars intermedia of the sheet metal of U-shaped bends to roughly L-shaped that arm 15 has section, forms the through hole 26 of winding mounting strap on utility poles and the bell hole (bell-shaped hole) 27 of mounting screw locking in the rearward end of bend 25.
Now, the long axis direction of tubular lid 12, to utilize the bend 25 of arm 15 and side, top 16 mode upward, is inclined relative to horizontal about 20 ° ~ 50 ° and arranges.Therefore, the opening portion 17 of tubular lid 12 is always towards about 20 ° ~ 50 ° belows under the state that arranges of tubular lid 12, and the water droplet that rainfall is formed not easily is immersed in opening portion 17, thus water resistance improves.And then by making the side, top 16 of tubular lid 12 upward, the convection current in the cover portion 21 that surface area is larger and the efficiency of heat exchange improve, and thus also can improve heat dissipation characteristics.
Herein, the leading section of arm 15 forms the mode of minim gap with the front end of the wall portion 22 with cover portion 21 and arranges.This leading section plays function, even if also can keep sufficient intensity for load when making the foothold for the operating personnel be used as on lamp stand.
Fig. 2 is the sectional side view of Fig. 1.As shown in Figure 2, the cylinder body 18 of tubular lid 12 becomes the front end reduced along with the external diameter towards top 16 and to attenuate the cylindrical shell of shape.Especially, the outside dimension of the above-below direction of cylinder body 18 is compared with the outside dimension of width, and the ratio reduced towards top 16 is large, and the section shape of the cylinder body 18 near top 16 is take width as the flat generally elliptical shape of major diameter.
The inside of tubular lid 12 forms the receiving space 28 be communicated with opening portion 17, and this receiving space 28 accommodates luminescence unit 29, as the lamp circuit 30 of ignition device and optical sensor 31.Lamp circuit 30 and optical sensor 31 are arranged on luminescence unit 29.
In the inner side of the stage portion 23 of tubular lid 12, form the groove portion 32 in order to be equipped with luminescence unit 29 in receiving space 28.This groove portion 32 is at least separately positioned on width along the long side direction of tubular lid 12, forms a pair groove portion 32 when opening portion 17 is observed.When luminescence unit 29 is provided to the inside of tubular lid 12, the insertion of the 32 pairs of luminescence units 29 in a pair groove portion guides, and is disposed in the position on the lower, center of the section orthogonal with long side direction than tubular lid 12.Therefore, when luminescence unit 29 is provided to tubular lid 12, luminescence unit 29 is positioned to be located on the lower than the center of the section orthogonal with long side direction of tubular lid 12.
Matrix part 14 has closure 33 closed for the opening portion 17 of tubular lid 12, and base end part 13 side has been formed as bottom tube-like.The bottom side of closure 33 is inserted into the inside of flange part 19, and is connected to the bonding part of base end part 13 via O type ring 34.O type ring 34 is closed portion 33 and pushes and elastic deformation occurs, and the inner side of opening portion 17 becomes watertight structure, thus ensure that water proofing property.
In the front of closure 33, arrange closure plate 35 closed for opening portion 17, the end abutment of this closure plate 35 and luminescence unit 29 thus luminescence unit 29 fixed.Closure plate 35 is arranged the wiring part 36 supplying wire 24 to insert, this wire 24 is powered to luminescence unit 29.This wiring part 36 arranging waterproof lining 37, guaranteeing the water proofing property of wiring part 36 by inserting wire 24 to this waterproof lining 37.In the rear end side of matrix part 14, the cylinder stage portion 38 that diameter is roughly the same with flange part 19 and closure 33 form, and arm 15 utilizes and omits illustrated screw and be fixed in this cylinder stage portion 38.
Luminescence unit 29 has light-emitting substrate 39, is installed with the LED (light emitting diode) 40 as light source in the interarea side of this light-emitting substrate 39.Omit pad that illustrated Wiring pattern is connected with the terminal of LED 40 is formed in light-emitting substrate 39 interarea side by Copper Foil.The multiple LED 40 sending white light separate predetermined distance and are arranged on the interarea side of light-emitting substrate 39.Such as, 1 LED 40 being classified as 4 is provided with 2 row (amounting to 8).
Luminescence unit 29 has the thermal components 41 such as the heat sink of aluminum, in the side (one side side) of this thermal component 41, utilizes the illustrated screw of omission etc. can be installed with light-emitting substrate 39 with heat conduction.Heating in the LED40 of light-emitting substrate 39 spreads in tubular lid 12 through thermal component 41.In addition, light-emitting substrate 39 and thermal component 41 also can be arranged integratedly.And, as thermal component, also can radiating fin etc. be used.
Lamp circuit 30 as the ignition device making LED 40 lighting is set in the another side side of thermal component 41.Lamp circuit 30 forms the illustrated circuit substrate of omission of constant current circuit etc. in the collecting of the inside of metal housing 42 and forms.Housing 42 utilizes screw etc. and is arranged on the opposite side (another side side) of thermal component 41, and lamp circuit 30 is arranged on thermal component 41 thus.
Luminescence unit 29 is inserted in a pair groove portion 32 with the state that light-emitting substrate 39 is downward, and this pair groove portion 32 is that the circumference arranging thermal component 41 in the receiving space 28 of tubular lid 12 forms, and described luminescence unit 29 is supported in tubular lid 12 thus.And the leading section of thermal component 41 is also fastened in the groove portion 32 be connected with side, top 16.Like this, the receiving space 28 of tubular lid 12 is divided into Lighting Division 20 side and side, cover portion 21 by the thermal component 41 of luminescence unit 29 by essence.
Fig. 3 is the profilograph of Fig. 1.As shown in Figure 3, luminescence unit 29 is housed in tubular lid 12 to be positioned at the mode located on the lower than the center 43 of the section orthogonal with long side direction of tubular lid 12.Thus, be increased to 2 times ~ 3 times modes of the volume of the receiving space 28B of Lighting Division 20 side with the volume of the receiving space 28A of the side, cover portion 21 of tubular lid 12, and divided by luminescence unit 29.Therefore, the thermal capacity of the receiving space 28A of side, cover portion 21 also increases, and can carry out sufficient convection current, thus by make use of the heat exchange action of the outer surface in cover portion 21, the heat of the housing 42 from thermal component 41 or lamp circuit 30 is spread well.In addition, in Fig. 3, though optical sensor 31 does not illustrate on section, in order to show the position relationship of transverse direction, for reference only, and represent this optical sensor 31 by dotted line.
On the other hand, the receiving space 28B of Lighting Division 20 side becomes relative narrowness, the distance be arranged between LED 40 on the light-emitting substrate 39 of luminescence unit 29 and the Lighting Division 20 of tubular lid 12 shortens, thus the radiating light obtaining luminescence unit 29 is effectively from the optical characteristics that Lighting Division 20 irradiates to desired direction.With regard to the distance between the LED 40 of luminescence unit 29 and the Lighting Division 20 of tubular lid 12, it is desirable to keep the emergent light from Lighting Division 20 can not produce the degree of dazzle and the distance of point-like sense degree of the LED 40 as light source can not be produced.
And, the side edge part of the thermal component 41 of luminescence unit 29 loads and is arranged in a pair groove portion 32, configure in the mode of being stretched out to the outer peripheral face more lateral of the Lighting Division 20 than tubular lid 12 by the side edge part of this heat sink 41, Lighting Division 20 side and side, cover portion 21 are split by essence thus.Thus, the light carrying out the LED 40 of selfluminous cell 29 can not enter in the receiving space 28A of side, cover portion 21 of tubular lid 12.
And, for the optical sensor 31 of present embodiment, in order to not make LED 40 turn off the light using the radiating light because receiving as the LED 40 of light source or the mode of dim light is run, and use the optical sensor with the characteristic of the testing result not exporting regulation in the emission spectrum of LED40.Namely, as shown in Figure 5, optical sensor 31 uses the optical sensor in the ultraviolet range of the wave-length coverage of wavelength 250nm ~ 400nm with sensitivity.As shown in Figure 4, the radiating light of LED 40 mainly radiates the light of visible region in the wave-length coverage of 400nm ~ 800nm, and the wave-length coverage of described 400nm ~ 800nm has peak wavelength at 465nm place.Thus, even if incidence carrys out the radiating light of the LED 40 of selfluminous cell 29 in optical sensor 31, also this radiating light is sensed hardly.On the other hand, as shown in Figure 6, in sunshine there is the light of the side, ultraviolet range of below wavelength 400nm in mixing.The light of below the wavelength 400nm of optical sensor 31 sense sunlight.
Then, carry out describing to the effect of present embodiment.
By day, optical sensor 31 incidence is through the sunshine (outer light) in the cover portion 21 of the cylinder body 18 of tubular lid 12.The light of below the wavelength 400nm of optical sensor 31 sense sunlight.This sensing signal is imported in lamp circuit 30.Lamp circuit 30 makes the LED 40 of luminescence unit 29 turn off the light.
And to time at dusk, the sunshine inciding optical sensor 31 weakens, or sunshine does not re-shoot, thus optical sensor 31 no longer sensor light.Lamp circuit 30 makes the full luminous point lamp (full light lighting) of the LED 40 of luminescence unit 29.
And, even if by day, around become cloudy when snowfall and the cylinder of tubular lid 12 this when stopping cover portion 21 accumulated snow of 18, do not re-shoot the light of sunshine in optical sensor 31.Lamp circuit 30 makes the full luminous point lamp of the LED 40 of luminescence unit 29.
And on the cylinder body 18 of tubular lid 12 during accumulated snow, the light leak of the LED40 of selfluminous cell 29 can reflect because of snow and incide optical sensor 31 sometimes.But optical sensor 31, because not having sensitivity to the radiating light of LED 40, so can not sense the light from LED 40, thus can not run because receiving the radiating light of LED40.Optical sensor 31 can not run because of the radiating light of LED 40 by mistake, thus, the lighting state of LED40 can not be controlled to less desirable state.
Lighting device 11 according to the present embodiment, optical sensor 31 can not run because receiving the radiating light of the LED 40 of luminescence unit 29, and the brightness of sensing sunshine around, thus there is following effect, that is, prevent from such as because of the radiating light of LED40, the lighting state of LED40 being controlled to less desirable state when snowfall.
And, optical sensor 31 because there is sensitivity in the wavelength region of wavelength 250nm ~ 400nm, so have the effect can not run because of the illumination light from other lighting devices by mistake.
In addition, described embodiment of the present utility model is exemplarily pointed out, and is not intended the scope limiting utility model.The embodiment of these novelties can be implemented by other various forms, in the scope of purport not departing from utility model, can carry out various omission, displacement, change.Described embodiment or its be out of shape all be included in utility model scope or purport in, and to be included in the scope of its equalization.
Claims (3)
1. a lighting device, is characterized in that comprising:
Luminescence unit, side arranges light source;
Optical sensor, is configured at the opposite side of described luminescence unit, can not run because receiving the radiating light of described light source, and sensing brightness around;
Ignition device, makes described light source ignition according to the sensing of described optical sensor; And
Device body, accommodates described luminescence unit and described optical sensor.
2. lighting device according to claim 1, is characterized in that:
Described optical sensor has sensitivity in wavelength 260nm ~ 400nm.
3. a lighting device, is characterized in that comprising:
Light source;
Optical sensor, sensing brightness; And
Ignition device, described photosensor senses to brightness be below setting time make described light source ignition, for more than setting time turn off the light;
And described optical sensor is arranged to not sense from the light of described light source or its reverberation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-038126 | 2014-02-28 | ||
| JP2014038126A JP2015162420A (en) | 2014-02-28 | 2014-02-28 | Illumination apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204164986U true CN204164986U (en) | 2015-02-18 |
Family
ID=52538670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420541778.9U Expired - Fee Related CN204164986U (en) | 2014-02-28 | 2014-09-19 | Lighting device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2015162420A (en) |
| CN (1) | CN204164986U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730802A (en) * | 2017-04-18 | 2018-11-02 | 林品芝 | Has the light-emitting device of inductor |
-
2014
- 2014-02-28 JP JP2014038126A patent/JP2015162420A/en active Pending
- 2014-09-19 CN CN201420541778.9U patent/CN204164986U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730802A (en) * | 2017-04-18 | 2018-11-02 | 林品芝 | Has the light-emitting device of inductor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015162420A (en) | 2015-09-07 |
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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 |
Granted publication date: 20150218 Termination date: 20170919 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |