CN102592380A - High lighting-effect low power-consumption light-emitting diode (LED) area light source initiative-passive light-emitting alarm device - Google Patents
High lighting-effect low power-consumption light-emitting diode (LED) area light source initiative-passive light-emitting alarm device Download PDFInfo
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- CN102592380A CN102592380A CN2012100774215A CN201210077421A CN102592380A CN 102592380 A CN102592380 A CN 102592380A CN 2012100774215 A CN2012100774215 A CN 2012100774215A CN 201210077421 A CN201210077421 A CN 201210077421A CN 102592380 A CN102592380 A CN 102592380A
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Abstract
The invention relates to a high lighting-effect low power-consumption light-emitting diode (LED) area light source initiative-passive light-emitting alarm device, which comprises an alarm device body, wherein outer frames are respectively arranged on the periphery of the alarm device body, a clamping groove is formed among the four outer frames, a baseboard is arranged at the bottom end of the clamping groove, a light-emitting device is connected onto the baseboard, and a bag is wrapped on the periphery of the light-emitting device. The light-emitting device comprises a light guiding plate, a strip-shaped circuit board is formed on at least one side of the periphery of the light guiding plate, and a plurality of LEDs are evenly distributed on the strip-shaped circuit board. A first reverse-reflection optical film is bonded at the top end of the light guiding board, a bottom layer high reflection ratio optical film is arranged at the bottom end of the light guiding board, an alarm label formed by a second reverse-reflection optical film is bonded on the top surface of the bottom layer high reflection ratio optical film, and the strip-shaped circuit board is connected with an external power source adapter through leads. The high lighting-effect low power-consumption LED area light source driving and driven light-emitting alarm device has the advantages of being capable of not only initiatively emitting light and displaying alarm information clearly, but also passively emitting light by reflecting lights of an external power source in return mode and displaying alarm information clearly.
Description
Technical field
The present invention relates to a kind of alarming device, especially relate to the passive light-emitting caution device of a kind of high light efficiency low-power consumption LED area source master.
Background technology
Warning mark mainly is the item that should note through the form reminds people of pattern or literal as a kind of MP.The warning mark of ubiquity and use mainly contains at present: common sign (not luminous, not reflective), reflecting sign (reflective and not luminous), luminous sign (luminous and not reflective) and a spot of luminous reflecting sign that installs the LED light emitting diode on the reflecting sign surface additional.Wherein:
Common sign can not be luminous because of himself, again can not be reflective, can only use by day or under the extraordinary environment of lighting condition.
Reflecting sign generally adopts the reflex reflection blooming to scribe or be printed as pattern or literal, sticks on the sign board substrate light that mainly lean on the retroreflecting outside to inject night, clear display pattern or literal.The reflex reflection blooming be a kind of have light is injected basically by the optical material of former road retroreflecting function in the outside, also claim reflective membrane, be widely used in the road traffic reflecting sign.
Luminous sign mainly contains LED display and two kinds of forms of lamp box.The light that the LED lamp that LED display utilizes dot matrix to arrange sends shows required pattern or literal, and its shortcoming is that the LED quantity that needs is many, and power consumption is big, and stain and blackspot phenomenon will appear in the damage of indivedual LED pipes, influence attractive in appearance and accurate expression information; Lamp box generally adopts light transmissive material as covering; Impressing pattern or literal on light transmissive material; Insert bulb, fluorescent tube or led module in the lamp box as light source, light sees through lamp box covering display pattern or literal, and its shortcoming is that the decay of light is bigger when seeing through covering owing to light; Light extraction efficiency is lower, and power consumption is relatively just big.These two kinds of luminous signs all can not possess reflection function.
And also have a kind of so-called luminous reflecting sign at present, and insert the LED lamp at the surface drilling of reflecting sign exactly, sketch the contours of pattern or literal with the LED lamp, reach luminous and reflective purpose.This technology receives the influence of reflecting sign board size, structure, pattern or literal complexity to a great extent; When sign board is complicated than big or pattern, literal; Just need just pattern or literal be can sketch the contours of, filling pattern or literal said nothing of with a large amount of LED.Therefore general to adopt pattern that this technology shows or literal all compare dull, abstract, and exist power consumption damage big, LED individually stain and blackspot phenomenon can occur equally and influence the integrality of whole pattern or literal, the problem of visibility.
Summary of the invention
The purpose of this invention is to provide the passive light-emitting caution device of a kind of high light efficiency low-power consumption LED area source master; It can the clear demonstration information warning of active illuminating; Can have characteristics such as high light efficiency, low-power consumption, free from glare, good, the no stain blackspot of visibility phenomenon, long service life through the passive luminous clear demonstration information warning of light of retroreflecting external light source again.
The objective of the invention is to realize through following technical scheme:
The passive light-emitting caution device of a kind of high light efficiency low-power consumption LED area source master; Comprise the alarming device body; Be respectively equipped with housing around the said alarming device body, be formed with draw-in groove between four housings, the bottom of draw-in groove is provided with substrate; Be connected with light-emitting device on the substrate, be enclosed with the car bag around the light-emitting device; Said light-emitting device comprises LGP, and at least one side is provided with the bar shaped wiring board around the LGP, and evenly distributed on the bar shaped wiring board have some LED light emitting diodes; The top of said LGP is pasted with reflex reflection blooming one, and the bottom of LGP is provided with bottom high reflectance blooming, and the end face of bottom high reflectance blooming is pasted with the caution label that is made up of reflex reflection blooming two; Said bar shaped wiring board is connected with external power adapter through lead.
With caution label corresponding position is evenly distributed plurality of V-shaped leaded light point arranged on the said LGP, the shape that V-type leaded light point is arranged is corresponding with the shape of warning label.
Put corresponding position with the V-type leaded light on the said reflex reflection blooming one and be carved with hollow out caution label, the shape of hollow out caution label is corresponding with the shape that V-type leaded light point is arranged.
Beneficial effect of the present invention is:
1, by day under the available light condition, can be the same with common sign, can clear demonstration caution label.
2, under the condition of night or low-light (level), can initiatively send bright, even, soft light, the clear caution label that demonstrates, it is good to have a visibility, the characteristics of free from glare.
3, under the condition of night or low-light (level); When if outage or other reason cause the led light source cisco unity malfunction luminous; The present invention can accept exterior lighting light, and the light that sends like automobile front or other illuminating lamp is through the retroreflecting principle of reflex reflection blooming to incident ray; Passive bright, even, soft light, the clear demonstration caution label of sending.
4, because the present invention adopts is the luminescence technology that the LED pointolite is converted into area source; The light that each leaded light point sends all is that the light acting in conjunction that each LED diode by light source sends produces; So in several LED diodes of forming light source, having indivedual LED diodes to damage because of defective can not be luminous; And all the other LED diodes are when still can operate as normal luminous, and stain or blackspot phenomenon can not appear in the caution label that active illuminating of the present invention showed.
5, because the present invention adopts is the luminescence technology that the LED pointolite is converted into area source; The caution label that shows is made up of each luminous leaded light point; So as long as according to position, layout, the quantity of warning label adjustment leaded light point; Just can utilize a spot of LED to demonstrate abundant, fine and smooth, bright and not dazzling caution label has also had low in power consumption when having high light efficiency.
Description of drawings
According to accompanying drawing the present invention is done further explain below.
Fig. 1 is the passive light-emitting caution device structural representation of the described high light efficiency low-power consumption LED area source master of the embodiment of the invention;
Fig. 2 is an A-A cut-open view among Fig. 1.
Among the figure:
1, housing; 2, draw-in groove; 3, substrate; 4, light-emitting device; 5, Che Bao; 6, LGP; 7, bar shaped wiring board; 8, LED light emitting diode; 9, the reflex reflection blooming one; 10, bottom high reflectance blooming; 11, the reflex reflection blooming two; 12, V-type leaded light point.
Embodiment
Shown in Fig. 1-2; The passive light-emitting caution device of the described a kind of high light efficiency low-power consumption LED area source master of the embodiment of the invention comprises the alarming device body, is respectively equipped with housing 1 around the said alarming device body; Be formed with draw-in groove 2 between four housings 1; The bottom of draw-in groove 2 is provided with substrate 3, is connected with light-emitting device 4 on the substrate 3, is enclosed with car bag 5 around the light-emitting device 4; Said light-emitting device 4 comprises LGP 6, and at least one side is provided with bar shaped wiring board 7 around the LGP 6, and evenly distributed on the bar shaped wiring board 7 have some LED light emitting diodes 8; The top of said LGP 6 is pasted with reflex reflection blooming 1, and the bottom of LGP 6 is provided with bottom high reflectance blooming 10, and the end face of bottom high reflectance blooming 10 is pasted with the caution label that is made up of reflex reflection blooming 2 11; Said bar shaped wiring board 7 is connected with external power adapter through lead.
With the corresponding position of said caution label is evenly distributed plurality of V-shaped leaded light point 12 arranged on the said LGP 6, the shape that V-type leaded light point 12 is arranged is corresponding with the shape of said caution label.
Put 12 corresponding positions with the V-type leaded light on the said reflex reflection blooming 1 and be carved with hollow out caution label, the shape of this hollow out caution label is corresponding with the shape that V-type leaded light point 12 is arranged.
The material of said car bag adopts the bound edge material of water proofing property and high reflectance; Said caution label comprises warning picture and caution literal.
The glow color of said LED light emitting diode 8 can be selected white light, ruddiness, gold-tinted or other color according to the needs of caution label; LGP 6 adopts water white polymethylmethacrylate (PMMA) material, is commonly called as acrylic; The thickness of LGP 6 should be more than or equal to the width of LED light emitting diode 8 exiting surfaces.
During concrete the use, under the available light condition, the present invention is the same with common warning mark by day, the indicating label of can clear demonstration dealing with emergencies and dangerous situations; Under night or low light conditions; Lean on available light can't the identification alarm label time; The present invention's luminous and passive luminous duty that just has the initiative, the caution label can be realized the effect of eye-catching demonstration through active illuminating and passive luminous mode, its principle of work is following:
One, active illuminating duty:
The present invention's luminous duty that after connecting external power source, just has the initiative.After connecting power supply; The light that LED light emitting diode 8 sends is injected into the LGP 6 from the side of LGP 6; Because the light refractive index of LGP 6 is greater than the light refractive index of air; So when light gets into the LGP 6 back overwhelming majority can be with the propagation of in LGP 6, moving of total reflection mode, have only that light just can be from top, bottom and the side effusion of LGP 6 after total reflection condition is destroyed.Be carved with V-type leaded light point 12 in the bottom of LGP 6, its purpose is exactly to destroy the total reflection condition of light in the LGP 6, and light is overflowed.
And the shape of V-type leaded light point 12, size, the depth, the position is set fundamental influence is played in the effusion of light.What the present invention adopted is the position that needs bright dipping at LGP 6; Promptly be carved with V-type leaded light point 12 in the corresponding zone of caution label; V-type leaded light point 12 is conical; The angle of circular cone drift angle is that the spacing between two adjacent V-type leaded light points 12 is put 1-5 times of 12 end diameters between 75 degree-95 degree for the V-type leaded light.
And the V-type leaded light is put 12 degree of depth and V-type leaded light and is put the relation of 12 end diameters and be:
2H=D*tg(180-A)
Wherein: the degree of depth of H-leaded light point; The end diameter of D-leaded light point; The cone apex angle angle of A-leaded light point.
Owing to around top, bottom and the side of LGP 6, be provided with corresponding reflectorized material; Formed optical cavity jointly; The light that impels LED light emitting diode 8 to inject in the LGP 6 is done reciprocal allocinesis in LGP 6, until running into V-type leaded light point 12 light is derived from the top of LGP 6 and the hollow out of reflex reflection blooming 1, sees from the outside; Each V-type leaded light point 12 all is a luminous bright spot, and all luminous V-type leaded light points 12 have just formed luminous caution label.
Two, passive luminous duty:
When power cut-off or other reason caused can not the be normal luminous work of LED light emitting diode 8, the present invention then was in passive luminous duty.Passive luminous principle is exactly to utilize to be arranged on LGP 6 top reflex reflection bloomings 1 and the reflex reflection blooming 2 11 that is arranged on bottom high reflectance blooming end face; The light that automobile front or other illuminating lamp are injected from the outside carries out retroreflecting, thereby makes the caution label shinny.Though reflex reflection blooming 1 is middle also across one deck LGP 6 with reflex reflection blooming 2 11; But because LGP 6 employings is water white polymethylmethacrylate (PMMA) material; Be commonly called as acrylic; Its transmittance can reach more than 92%, and places the V-type leaded light point 12 of LGP 6 bottoms to be provided with spacing each other, and the light that the outside is injected can arrive LGP 6 through the hollow out place of reflex reflection blooming 1; Wherein most of light directly penetrates LGP 6 and arrives reflex reflection blooming 2 11 from V-type leaded light point 12 gap each other, and is gone out LGP 6 by retroreflecting; Remainder light gets into conical surface generation refraction and the reflection that LGP 6 backs arrive V-type leaded light point 12, and can in LGP 6, generation repeatedly reflect and reflect, and finally just can be derived LGP 6.
The present invention is not limited to above-mentioned preferred forms; Anyone can draw other various forms of products under enlightenment of the present invention; No matter but on its shape or structure, do any variation; Every have identical with a application or akin technical scheme, all drops within protection scope of the present invention.
Claims (3)
1. one kind high passive light-emitting caution device of light efficiency low-power consumption LED area source master; Comprise the alarming device body; It is characterized in that: be respectively equipped with housing (1) around the said alarming device body, be formed with draw-in groove (2) between four housings (1), the bottom of draw-in groove (2) is provided with substrate (3); Be connected with light-emitting device (4) on the substrate (3), be enclosed with car bag (5) around the light-emitting device (4); Said light-emitting device (4) comprises LGP (6), and at least one side is provided with bar shaped wiring board (7) around the LGP (6), and bar shaped wiring board (7) is gone up the evenly distributed some LED light emitting diodes (8) that have; The top of said LGP (6) is pasted with reflex reflection blooming one (9); The bottom of LGP (6) is provided with bottom high reflectance blooming (10), and the end face of bottom high reflectance blooming (10) is pasted with the caution label that is made up of reflex reflection blooming two (11); Said bar shaped wiring board (7) is connected with external power adapter through lead.
2. the passive light-emitting caution device of high light efficiency low-power consumption LED area source master according to claim 1; It is characterized in that: said LGP (6) is gone up with the corresponding position of said caution label is evenly distributed has a plurality of V-shaped leaded light point (12), and the shape that V-type leaded light point (12) is arranged is corresponding with the shape of said caution label.
3. the passive light-emitting caution device of high light efficiency low-power consumption LED area source master according to claim 2; It is characterized in that: said reflex reflection blooming one (9) is gone up and hollow out caution label is carved with in the corresponding position of V-type leaded light point (12), and the shape of this hollow out caution label is corresponding with the shape that V-type leaded light point (12) is arranged.
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| CN2012100774215A CN102592380A (en) | 2012-03-21 | 2012-03-21 | High lighting-effect low power-consumption light-emitting diode (LED) area light source initiative-passive light-emitting alarm device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100774215A CN102592380A (en) | 2012-03-21 | 2012-03-21 | High lighting-effect low power-consumption light-emitting diode (LED) area light source initiative-passive light-emitting alarm device |
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| CN102592380A true CN102592380A (en) | 2012-07-18 |
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| CN2012100774215A Pending CN102592380A (en) | 2012-03-21 | 2012-03-21 | High lighting-effect low power-consumption light-emitting diode (LED) area light source initiative-passive light-emitting alarm device |
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Cited By (11)
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| CN104299534A (en) * | 2014-10-09 | 2015-01-21 | 上海杰派展示有限公司 | Dynamic lamp box with active visual effect and preparation method thereof |
| CN104361843A (en) * | 2014-11-05 | 2015-02-18 | 南京赛康交通安全科技股份有限公司 | LED (light emitting diode) rear-projection active luminescent road traffic sign |
| CN104715679A (en) * | 2014-10-27 | 2015-06-17 | G思玛特有限公司 | Transparent display screen with retroreflection-resistant device |
| CN104952377A (en) * | 2015-07-08 | 2015-09-30 | 王晓光 | Sign capable of realizing active light emission and intelligent repair as well as control method and applications of sign |
| CN106023847A (en) * | 2016-06-30 | 2016-10-12 | 无锡市华东电力设备有限公司 | Power device number plate manufacturing technology |
| CN106122888A (en) * | 2016-08-25 | 2016-11-16 | 江苏创基新能源有限公司 | Solar energy traffic flashing light |
| CN106128135A (en) * | 2016-08-25 | 2016-11-16 | 江苏创基新能源有限公司 | Solar traffic light |
| CN106500007A (en) * | 2016-11-24 | 2017-03-15 | 成都佳美嘉科技有限公司 | Luminescent riverway warning illuminating lamp |
| CN110010031A (en) * | 2019-05-23 | 2019-07-12 | 东莞市创享光电科技有限公司 | A kind of electric energy reflecting marking patch |
| CN110024018A (en) * | 2017-11-07 | 2019-07-16 | 欧姆龙株式会社 | Display device and displaying device |
| WO2021115434A1 (en) * | 2019-12-12 | 2021-06-17 | 单正建 | Warning apparatus, control method for warning apparatus, and traffic accident linkage system |
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| WO2021115434A1 (en) * | 2019-12-12 | 2021-06-17 | 单正建 | Warning apparatus, control method for warning apparatus, and traffic accident linkage system |
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Application publication date: 20120718 |