CN102385219A - Intelligent traffic LED flash lamp and circuit thereof - Google Patents
Intelligent traffic LED flash lamp and circuit thereof Download PDFInfo
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- CN102385219A CN102385219A CN2011102875625A CN201110287562A CN102385219A CN 102385219 A CN102385219 A CN 102385219A CN 2011102875625 A CN2011102875625 A CN 2011102875625A CN 201110287562 A CN201110287562 A CN 201110287562A CN 102385219 A CN102385219 A CN 102385219A
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- heat
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- lamp housing
- flash lamp
- lamp
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The invention relates to an intelligent traffic LED (Light-Emitting Diode) flash lamp and a circuit thereof, aiming to solve the problems that the existing flash lamp causes potential safety hazards to drivers owing to having certain light pollution and that the illumination range of the existing flash lamp has certain limitations. The intelligent traffic LED flash lamp is characterized in that: heat-conducting silicone grease is applied between an aluminum substrate and an LED lamp; the heat-conducting silicone grease is also applied between the aluminum substrate and a lampshade; a radiating fin is formed on the rear portion of the lampshade; a heat-dissipation cavity is formed in the lampshade on the lower portion of the aluminum substrate; a power cord and a respirator are arranged within the heat-dissipation cavity; and symmetrical vent holes are formed on the cavity walls on both sides of the heat-dissipation cavity. The intelligent traffic LED flash lamp effectively solves the problem of light pollution by employing the technology from faint light or medium light to instantaneous shining. The flash lamp is provided with the structure having the external radiating fin and the internal respirator, so that the heat dissipation performance is effectively improved and the illumination range is wide.
Description
Technical field
The invention belongs to the LED light filling equipment that uses when intelligent transportation bayonet socket, electronic police etc. are taken pictures, especially a kind of intelligent transportation LED flashlamp and circuit thereof.
Background technology
High-definition digital video camera and camera are the new products that is applied to intelligent transportation field; Its resolution is than the high several times of conventional analogue video camera; But it to the requirement of illuminance than higher; In automatic license plate identification system and make a dash across the red light electronic police system and other public security supervisory systems, can photograph vehicle image clearly in order to make video camera, just need to use the flashlamp light filling.
Present flashlamp generally is divided into gas flashlamp and LED flashlamp, and the mode of operation of these flashlamp only is trigger pulse formula flash of light, promptly reaches glittering state from the state moment of not working.The light that lightens like this has very strong pungency to people's eyes with neural, belongs to light pollution, can cause certain potential safety hazard to the driver.
As new type light source, the LED flashlamp is place of gas flashlamp progressively, and LED has following advantage by contrast: can continue luminously, luminescence process is controlled easily, and power consumption is little, can practice thrift a large amount of electric energy.But there is shortcoming too in it: cause the life-span to be reduced thereby heat radiation is bad.With present technical merit, LED is to three one-tenth of energy utilization ratio less thaies, thereby has lot of energy and be converted into heat, and how better solving heat dissipation problem has become the main problem that present LED flashlamp faces.The bad meeting of dispelling the heat causes problems such as junction temperature rising, light decay increase, accelerated deterioration.General heating radiator is to be contained in the lamp housing the inside, causes radiating effect poor, and the volume of whole lamp is big, weight is big, and outward appearance is clumsy, and is not easy to install.The big calorimetric that while LED flashlamp produces when lighting for a long time raises the light fixture temperature inside, causes lamp interior to form water vapour attached to the light efficiency that influences on glass.
In addition, existing flashlamp is only considered the forward light filling of taking pictures, and does not consider the side light filling of taking pictures; Be fixed on the cross bar and can only adjust angle in vertical direction; And can not adjust angle in the horizontal direction, inconvenience is installed, and causes illumination range to have certain limitation.
Summary of the invention
Defectives such as the power consumption that the present invention is directed to the flashlamp that prior art exists is big, light efficiency is low, installation is inconvenient, light pollution is serious; A kind of intelligent transportation LED flashlamp and circuit thereof are provided; Not only efficiently solve the problem of light pollution; And having easy for installationly, heat dispersion is good, advantages such as irradiating angle and scope scalable.
For this reason, the present invention takes following technical scheme: a kind of intelligent transportation LED flashlamp comprises lamp housing; Be provided with aluminium base in the lamp housing; Aluminium base is provided with the LED lamp, it is characterized in that scribbling heat-conducting silicone grease between described aluminium base and the LED lamp, also scribbles heat-conducting silicone grease between described aluminium base and the lamp housing; The back of said lamp housing forms radiating fin; Form the heat radiation cavity in the lamp housing of said aluminium base bottom, settle power lead and respirator in the described heat radiation cavity, have the air vent of symmetry on chamber, the both sides wall of said heat radiation cavity.The heat that led light source sends passes to lamp housing through aluminium base, and lamp housing directly passes to heat in the extraneous air through the radiator structure at lamp housing back again.Built-in heat radiation cavity two side has air vent, and one is used to connect driving power supply line, and one is used to install respirator.Light fixture is lighted generally speaking, and the lamp housing internal temperature raises, and makes the inside and outside temperature difference that produces of lamp, and respirator can effectively be discharged to the light fixture outside with fog that produces in the course of work and hot gas.The lamp housing back forms heat radiation fin structure also can quick heat radiating.
The bottom of lamp housing also comprises interconnective connecting rod and base, and described connecting rod and lamp housing are hinged.Small end forms circular gear, and the lamp housing back also forms the holder of corresponding band gear, behind the gear and the gear matched on the holder on the connecting rod; Fix through a screw again; In the time will rotating the angle of lamp housing, as long as fixed screw is unclamped a little, circular groove being staggered, is axle again with the screw; Rotate to suitable angle, tighten groove afterwards again and screw is accomplished adjusting.
Form vertical sleeve on the described base, described sleeve and connecting rod threaded, the sidepiece of said sleeve has through hole, and a bolt passes the through hole stationary links.Outward winding behind the bolt, remove the threaded engagement of sleeve and connecting rod, connecting rod can 360 degree rotations in sleeve, after waiting to be adjusted to required direction, connecting rod is cooperated with sleeve, and tighten screw rod, and completion is assembled.
Have array hole on the described lamp housing, screw passes said array hole fixing base, a plurality of holes is set connects the thermal diffusivity that substrate can effectively promote substrate.
Described LED lamp is in little bright or half bright state under normal conditions, and when video camera or camera provided trigger pip, the LED lamp reached glittering state of moment.
The present invention adopts from little bright or partly bright to glittering technology of moment, effectively solves the light pollution problem.The external radiating fin of the present invention, built-in respiratory organ structure, effectively promote heat dispersion and can will work in the water spray haze of generation be discharged to the light fixture outside, reduced the light fixture volume, controlled light decay, and prolonged serviceable life.The present invention can realize the comprehensive angle adjusting of 360 degree after installation, easy for installation, power consumption is little, and light efficiency is high, and light decay is little, and the life-span is long, no light pollution, and outward appearance is small and exquisite attractive in appearance.Connecting rod and lamp housing adopt axle rotation and screw thread rotation fit structure, and installation and adjusting angle are convenient.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the exploded view of back structures of the present invention.
Fig. 3 is reduction voltage circuit figure of the present invention.
Fig. 4 is single chip circuit figure of the present invention.
Fig. 5 is the internal circuit diagram of a pin in the single-chip microcomputer of the present invention.
Fig. 6 is the internal circuit diagram of tripod in the single-chip microcomputer of the present invention.
Fig. 7 is the circuit diagram of D311 chip of the present invention.
Fig. 8 connects the partial circuit diagram of LED lamp for the present invention.
Fig. 9 is a trigger pip circuit diagram of the present invention.
Among the figure: 1. lamp housing 2. radiating fins 3. air vents 4. heat radiation cavitys 5. array holes 6. connecting rods 7. sleeves 8. bases 9. holders 10 through holes.
Embodiment
Intelligent transportation LED flashlamp as depicted in figs. 1 and 2 has 4 * 4 array hole 5 in the lamp housing 1, screw passes array hole 5 fixing bases.Fixed installation LED lamp scribbles heat-conducting silicone grease between aluminium base and the LED lamp on the aluminium base, also scribbles heat-conducting silicone grease between aluminium base and the lamp housing 1.The back of lamp housing 1 forms many radiating fins of neatly arranging 2, the lamp housing 1 interior heat radiation cavity 4 that forms of aluminium base bottom, and heat radiation cavity 4 built-in respirator and power leads have symmetrical air vent 3 on chamber, the both sides wall of heat radiation cavity 4.The back of lamp housing 1 also is provided with threaded holder 9, connecting rod 6 and lamp housing 1 holder 9 threaded engagement.Have corresponding through hole 10 on connecting rod 6 and the holder 9, again through screw (not shown) stationary links 6 and holder 9.Form the vertical sleeve 7 with certain altitude on the base 8, all have the threaded hole that matches with connecting rod 6 lower ends in the sleeve 7, both are threaded, and the sidepiece of sleeve 7 has through hole 10, and bolt passes through hole 10 stationary links 6.
In the time will rotating the angle of lamp housing, as long as fixed screw is unclamped a little, circular groove being staggered, is axle with the screw again, rotates to suitable angle, tightens groove afterwards again and screw is accomplished adjusting.Outward winding behind the bolt, remove the threaded engagement of sleeve and connecting rod, connecting rod can 360 degree rotations in sleeve, after waiting to be adjusted to required direction, connecting rod is cooperated with sleeve, and tighten screw rod, and completion is assembled.
Shown in Fig. 3-9; The 24V power input inserts 34063 reduction voltage circuit modules; The reduction voltage circuit module inserts single-chip microcomputer, is equipped with triode in first stitch circuit in the single-chip microcomputer and the 3rd stitch circuit, and the 3rd stitch circuit joins with the D311 chip again; D311 chip and led circuit module are joined, and the trigger pip module also inserts single-chip microcomputer.
LED intelligent transportation flashlamp principle of work: at first give STC15F104E single-chip microcomputer and DD311 chip power supply through 34063 circuit output 5V direct current by Switching Power Supply input 24V direct current.Single-chip microcomputer 1 pin (P3.4), 3 pin (P3.5) pin are exported noble potential always at ordinary times, and promptly HalfEN and EN are noble potential always, and triode Q1, Q2 are in conducting state always, and the DD311 chip is in the circuit closed state.To I-ALL, process triode Q2 forms the closed-loop path, thereby makes flashlamp reach little bright effect to power cathode electric current again by 24V power supply process LED.When needs were taken pictures, trigger pip was by 2 pin and the input of 3 pin of J1, and optocoupler conducting SW becomes electronegative potential by noble potential, gives the single-chip microcomputer input signal.From 3 pin output electronegative potential, promptly EN becomes electronegative potential by noble potential to single-chip microcomputer as required, and triode Q1 ends, and LED-EN is in noble potential, and the output of DD311 chip is in current conductive state, and the electric current moment increase through LED arrives glittering effect.
The external radiating fin of the present invention, built-in respiratory organ structure effectively promotes thermal diffusivity, reduces light decay and has reduced the light fixture volume, and respiratory organ structure can also effectively reduce the generation of water vapor.The present invention can realize the comprehensive angle adjusting of 360 degree after installation, easy for installation, power consumption is little, and light efficiency is high, and light decay is little, and the life-span is long, no light pollution, and outward appearance is small and exquisite attractive in appearance.Connecting rod and lamp housing adopt axle rotation and screw thread rotation fit structure, and installation and adjusting angle are convenient.The present invention adopts from little bright to glittering technology of moment, effectively solves the light pollution problem.
What need particularly point out is; The mode of the foregoing description only limits to describe embodiment; But the present invention is confined to aforesaid way incessantly; And those skilled in the art can modify in not departing from the scope of the present invention in view of the above easily, and therefore scope of the present invention should comprise the disclosed principle and the maximum magnitude of new feature.
Claims (5)
1. an intelligent transportation LED flashlamp comprises lamp housing, is provided with aluminium base in the lamp housing; Aluminium base is provided with the LED lamp, it is characterized in that scribbling heat-conducting silicone grease between described aluminium base and the LED lamp, also scribbles heat-conducting silicone grease between described aluminium base and the lamp housing; The back of said lamp housing forms radiating fin; Form the heat radiation cavity in the lamp housing of said aluminium base bottom, settle power lead and respirator in the described heat radiation cavity, have the air vent of symmetry on chamber, the both sides wall of said heat radiation cavity.
2. a kind of intelligent transportation LED flashlamp according to claim 1 is characterized in that also comprising interconnective connecting rod and base, and described connecting rod and lamp housing are hinged.
3. a kind of intelligent transportation LED flashlamp of stating according to claim 2 is characterized in that forming on the described base vertical sleeve, described sleeve and connecting rod threaded, and the sidepiece of said sleeve has through hole, and a bolt passes the through hole stationary links.
4. according to claim 1 or 3 described a kind of intelligent transportation LED flashlamp, it is characterized in that having array hole on the described lamp housing, aluminium base by screw retention on said array hole.
5. the circuit of an intelligent transportation LED flashlamp is characterized in that described LED lamp is in little bright or half bright state under normal conditions, and when video camera or camera provided trigger pip, the LED lamp reached glittering state of moment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110287562.5A CN102385219B (en) | 2011-09-26 | 2011-09-26 | Intelligent traffic LED flash lamp and circuit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110287562.5A CN102385219B (en) | 2011-09-26 | 2011-09-26 | Intelligent traffic LED flash lamp and circuit thereof |
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| Publication Number | Publication Date |
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| CN102385219A true CN102385219A (en) | 2012-03-21 |
| CN102385219B CN102385219B (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110287562.5A Expired - Fee Related CN102385219B (en) | 2011-09-26 | 2011-09-26 | Intelligent traffic LED flash lamp and circuit thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104809899A (en) * | 2015-04-24 | 2015-07-29 | 孟庆亚 | Red light traffic signal lamp for electronic police |
| CN105931468A (en) * | 2016-07-06 | 2016-09-07 | 成都市红亿科技有限公司 | Method for automatically regulating and controlling external fill light for license plate identification |
| CN106838845A (en) * | 2017-01-24 | 2017-06-13 | 维沃移动通信有限公司 | A kind of terminal flash lamp design and mobile terminal |
| CN108150913A (en) * | 2017-12-29 | 2018-06-12 | 深圳市超频三科技股份有限公司 | Court lamp and its stent |
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| CN105931468B (en) * | 2016-07-06 | 2018-09-11 | 成都市红亿科技有限公司 | A kind of method for automatically regulating of the external light compensating lamp of Car license recognition |
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| CN108150913A (en) * | 2017-12-29 | 2018-06-12 | 深圳市超频三科技股份有限公司 | Court lamp and its stent |
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| Publication number | Publication date |
|---|---|
| CN102385219B (en) | 2014-05-07 |
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Granted publication date: 20140507 Termination date: 20170926 |
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