CN102691938A - Dimmable linear LED projection lamp - Google Patents
Dimmable linear LED projection lamp Download PDFInfo
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- CN102691938A CN102691938A CN2012101759528A CN201210175952A CN102691938A CN 102691938 A CN102691938 A CN 102691938A CN 2012101759528 A CN2012101759528 A CN 2012101759528A CN 201210175952 A CN201210175952 A CN 201210175952A CN 102691938 A CN102691938 A CN 102691938A
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- projecting lamp
- linear led
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Abstract
The invention discloses a dimmable linear LED projection lamp, which includes a drive plate, an LED light source and a casing assembly. According to the design, the drive plate is provided with an RS485 network bus, a singlechip microprocessor, a constant current drive chip, and a feedback detection circuit module; the casing assembly includes an upper casing, a bottom casing, a middle frame and a lampshade, which are combined mutually, wherein the lampshade comprises a double-closing/opening light baffle plate locked and fixed with an upper cover; a rotatable mechanism is designed, so as to regulate the light-emitting area and the emergent light angle; according to the design, the drive plate is provided with circuits corresponding to the RS485 transmismission and standard DMX (data mining extensions) protocols; and standard DMX512 data packages are sent and received through an RS485 network, and PWM (pulse width modulation) signals are generated via decoding and data conversion and are controlled and output through the constant current drive chip, so that the corresponding LED light source is driven. The dimmable linear LED projection lamp can regulate light effect, the regulating effect is good, the lamp irradiation area and irradiation height can be regulated, and the regulation is convenient and rapid.
Description
Technical field
The present invention relates to the environmental protection and energy saving lighting device, in particular a kind of linear LED Projecting Lamp of tunable optical.
Background technology
LED Projecting Lamp another name wall lamp, projecting lamp or the like, main main decorative lighting and the floor light that is applied to the indoor and outdoors field.As be applied to outdoor building building, each three-dimensional metope, square, sports ground, stage, bridge, mansion curtain wall, places such as gardens etc.And for example, be applied to indoor market, the dance hall, the bar, the gymnasium is in the mansion etc.
Prior art reaches on the market, and the LED Projecting Lamp is that light-emitting area is fixing immutable, and in a single day light fixture makes moulding; Promptly can not adjust its irradiated area or rising angle; And the light efficiency of LED Projecting Lamp needs to be provided with in advance, need adjust in different applications like need, need regulate through external control device or whole change; The adjustment weak effect, the adjustment difficulty.
Prior art and product on the market, and non intelligent.Can't monitor the real time status of light fixture.Like operating current, voltage, temperature etc.The design levies this is designed voltage detecting, current detecting, and overvoltage protection, overcurrent protection, overtemperature protection, open circuit detects protection, short-circuit protection, various intelligence engineering technology such as fault detect.So that guarantee the light fixture quality, guarantee the life-span, intelligent management etc.
Therefore, there is defective in prior art, needs to improve.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of adjustable lay the grain to imitate, adjust effectively, and can adjust lamp lighting area and irradiation height, intelligence fast easy to adjust is fed back the linear LED Projecting Lamp of tunable optical.
Technical scheme of the present invention is following: a kind of linear LED Projecting Lamp of tunable optical; Comprise drive plate, led light source and casing assembly; Said drive plate is designed with RS485 network-bus, chip microprocessor, constant-current driven chip and feedback sense circuit module; Said RS485 network-bus receives DMX light modulation packet and transfers to institute's chip microprocessor and carries out data; Said chip microprocessor unit is designed with decoder module and data conversion module, and said decoder module is decoded to said DMX light modulation packet, converts pwm signal to through said data processing module; Said constant-current driven chip is provided with at least one constant-current driving passage, each LED in the corresponding led light source plate of each constant-current driving passage difference, and each constant-current driving passage output pwm signal drives corresponding LED; Said casing assembly comprises upper casing, center, drain pan and the lampshade that interfixes; And, at least one light barrier is set on the said lampshade; The both ends of said light barrier and lampshade are locked; And said light barrier is provided with rotation section and light-blocking part, and the position of light barrier is rotated in said rotation section, changes the glazed area of said lampshade.
Be applied to technique scheme, in the described linear LED Projecting Lamp, said feedback sense circuit module comprises temperature feedback sense circuit submodule, voltage feedback sense circuit submodule and current feedback testing circuit submodule.
Be applied to each technique scheme, in the described linear LED Projecting Lamp, the surface of said drain pan and said center is respectively arranged with radiation rib.
Be applied to each technique scheme, in the described linear LED Projecting Lamp, said led light source and and said lampshade between a spreadlight lens also is set.
Be applied to each technique scheme, in the described linear LED Projecting Lamp, said led light source is fixed on the aluminium base, and said aluminium base surface also is provided with a barrier bed.
Be applied to each technique scheme, in the described linear LED Projecting Lamp, two stands at least be set also, each support passes bracket holes position and bullet pad and said center through a hexagon socket head cap screw and is locked.
Be applied to each technique scheme, in the described linear LED Projecting Lamp, said constant-current driven chip setting at least three constant-current driving passages, each constant-current driving passage is connected with each led light source respectively.
Be applied to each technique scheme, in the described linear LED Projecting Lamp, each connecting portion of said casing assembly is provided with milky water-proof silica-gel circle respectively.
Be applied to each technique scheme, in the described linear LED Projecting Lamp, an external power supply be set also, said external power supply connects the entering lamp casing, is connected with said drive plate electric property.
Be applied to each technique scheme, in the described linear LED Projecting Lamp, said RS485 network-bus adopts the transmission of DMX512 consensus standard data-signal.
Adopt such scheme; The present invention is designed with RS485 network-bus, chip microprocessor, constant-current driven chip and feedback sense circuit module through drive plate; It can regulate the electric current of each led light source according to the DMX light modulation data of outside input, promptly adjusts its brightness of illumination and lighting effects; And the working condition of feeding back current LED Projecting Lamp through the feedback sense circuit module shows on exterior PC, like the feedback current operating temperature, and operating current, operating voltage guarantees light fixture operate as normal and service life.Through the adjustment parts that are in the light is the angle of frequency modulated light plate, can change the transparent surface and the irradiated area of lampshade, thus adjustment lamp lighting area and irradiation height, easy to adjust fast.
Description of drawings
Fig. 1 is an overall schematic of the present invention.
Fig. 2 is a STRUCTURE DECOMPOSITION sketch map of the present invention.
Fig. 3 is a functional-block diagram of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and instantiation, the present invention is elaborated.
As shown in Figure 1; Present embodiment provides a kind of linear LED Projecting Lamp of tunable optical, and said linear LED Projecting Lamp can be applied to the illumination and the decoration of various occasions, utilization three primary colours ratio mixed light principle; Adopt the light source of different-colour section; Through control and regulation, adjustment lighting effects that can be sensitive, and can adjust lamp lighting area and irradiation height.
As shown in Figure 2; In the present embodiment; Linear LED Projecting Lamp comprises drive plate 108, led light source 107 and casing assembly; Each led light source 107 is fixed on the light source board, and drive plate 108 all is fixed on lamp housing inside with the led light source plate, when each led light source of drive plate 108 controls 107 is luminous the light efficiency of each led light source 107 is regulated.
And; Casing assembly comprise the drain pan 111 that fixedly installs with center 114 bottoms and with the fixing upper casing 102 in its top; And cover lampshades 103 with upper casing 102 fixing transparent PC and form, transparent PC cover lampshade adopts clear polycarbonate, the light barrier 101 that the external stability of lampshade is one or more; The lampshade outside can be designed with two light barriers 101, and light barrier 101 adopts stainless screw to pass the two ends that light barrier 101 passes bullet pad and lampshade 103 again and is locked.When using light barrier 101; Through the position of rotation light barrier 101, can block the exiting surface of linear LED Projecting Lamp, thereby can change the glazed area of linear LED Projecting Lamp; Adjust the light projector height and the irradiated area of linear LED Projecting Lamp; By actual demand relevant numerical is set, therefore easy to use, satisfy some special occasions needs.
Wherein, the casing assembly of linear LED Projecting Lamp can use aerolite, high heat conduction, and the die casting aluminium of high rigidity is with the quality and the service life of significantly effectively improving heat dispersion assurance product.
For example, the both ends of light barrier and lampshade 103 are locked; Have light barrier 101 and rotatable parts; Can rotation slot be set at the both ends of lampshade; Rotatable parts are pressed preset direction along rotation slot and are rotated; The area that light-blocking part blocks lampshade 103 is changed, thereby change the glazed area of said lampshade, adjust the light projector height and the irradiated area of linear LED Projecting Lamp.
As shown in Figure 3; Said control panel 108 is provided with RS485 network-bus (RS485 is the agreement that a kind of communication mode is selected), chip microprocessor and constant-current driven chip; The RS485 network-bus adopts duplex transmission and with A; Mutual transmission of B bus and reception data, said RS485 network-bus adopt the transmission of DMX512 consensus standard data-signal, are connected with the control system of outside simultaneously; As being connected with PC; Send DMX (Data Mining Extensions) light modulation packet to the RS485 bus through the PC computer, the RS485 circuit unit of every LED Projecting Lamp has respectively corresponding ID number, the chip microprocessor that light fixture receives the correspondence of the DMX light modulation packet on the bus this light fixture recognition data and transfers to next stage for ID number.
And; After chip microprocessor receives the DMX512 signal; Decoder module through its setting is decoded to DMX512 light modulation packet, and converts pwm signal (Pulse Width Modulation pulse width modulation) to through the data conversion module of its setting, through one or more constant-current driving passage of constant-current driven chip setting; For example; Through three constant-current driving passages that constant-current driven chip is provided with, the data-signal of respectively corresponding each DMX is controlled the luminous of each led light source according to the pwm signal after the conversion.
Wherein, the LED quantity in the led light source can follow the parameter according to this constant-current driven chip to be provided with.The circuit of the corresponding every passage constant-current driven chip of the design's feedback electricity, thereby through EDX (a kind of multifunctional universal register) bus feedback and export the control system of outside to.
Also be provided with the feedback sense circuit module on the drive plate in the present embodiment; The feedback sense circuit module is connected with each constant-current driven chip, digital power mu balanced circuit and chip microprocessor respectively; Wherein, the feedback sense circuit module comprises temperature feedback sense circuit submodule, voltage feedback sense circuit submodule and current feedback testing circuit submodule; It has following function:
Detect voltage through voltage feedback sense circuit submodule, and detection feedback shows whether current supply voltage meets light fixture power supply 12-35V standard.
Detect electric current through current feedback testing circuit submodule, detection feedback shows whether the operating current of current LED meets the light fixture nominal current.
Detect voltage through voltage feedback sense circuit submodule and realize overvoltage protection, for example, detect current LED load voltage automatically 35V, then get into the constant voltage guard mode.
Detect the realization overcurrent protection through current feedback testing circuit submodule, for example, detect current LED load current automatically 280mA, then get into the constant current guard mode
Realize that through current feedback testing circuit submodule or current feedback testing circuit submodule open circuit detects protection, detection feedback shows the on off operating mode that the current circuit of light fixture connects, and breaks off then protection automatically.
Realize fault detect through current feedback testing circuit submodule or current feedback testing circuit submodule, i.e. whether the communication of the current light fixture of detection feedback is broken down and is shown the malfunction of light fixture.
Temperature feedback sense circuit submodule detect to be realized overtemperature protection, and promptly whether detection feedback shows the current operating ambient temperature of light fixture>60 degrees centigrade, if big this value then gets into protection, the protection lamp life.
As shown in Figure 2, the center 114 and the drain pan 111 of said shell are designed with the heat radiation rib respectively, are designed with radiation rib respectively at center 114 and drain pan 111, can increase the area of dissipation of shell and air radiation convection current, have improved the heat transfer rate and the efficient of shell.Led light source 107 and and upper casing 102 between also design a spreadlight lens 106, corresponding each led light source 107 designs one spreadlight lens 106, the light that led light source sends irradiates the outside through spreadlight lens after through transparent PC cover lampshade 103.
For example, spreadlight lens 106 passes lens through stainless countersunk head screw and is fixed on each led light source center and locks aluminium base, with center 114 fixing assemblings, has guaranteed that so spreadlight lens 106 pitches again, and the optics variation reaches existing pictures such as qualitative change.Spreadlight lens 106 adopts inclined to one side luminous intensity distribution design, adopts the AMMP material of high light transmittance, in the inside and outside of linear LED Projecting Lamp and exiting surface can the shading part, so there is not the light dark space.Spreadlight lens 106 adopts the high light transmittance material to design as secondary optics.Lens sizes is little, breaks the size restriceted envelope, strives for the minimum MINIization of doing for whole light fixture.
Perhaps, an example is that each led light source 107 is fixed on the aluminium base, and said aluminium base surface also is provided with a barrier bed 105.It is fixing with housing 114 again that barrier bed 105 can pass spreadlight lens 106 through screw; Barrier bed 105 can block the inner aluminium base of linear LED Projecting Lamp, the fixing screw of spreadlight lens 106 and aluminium base; And the local part of spreadlight lens 106 all covers, thereby reaches outward appearance effect more attractive in appearance.
Or; Linear LED Projecting Lamp is provided with two or more supports 109; Support 109 passes bracket holes position and bullet pad and housing 114 through a hexagon socket head cap screw and is locked, and through runing rest 109, regulates the lighting angle of linear LED Projecting Lamp; The light projector angle of realizing linear LED Projecting Lamp is adjustable, realizes the variable area of linear LED Projecting Lamp projection.
Perhaps, an example is, each drain pan of casing assembly and the attaching parts of center are provided with milky water-proof silica-gel circle respectively, and it is accurate that the silica gel circle adopts the made and light fixture of high resiliency material to cooperate, and can degree of protection be reached the IP66 grade.
For example, between upper casing 102 and the transparent PC cover lampshade 103 water proof ring 104 is set, upper casing water proof ring 104 adopts ageing-resistant; Corrosion-resistant, anti-fire-retardant milky silica gel circle passes light cover and PC cover lampshade through stainless hexagon socket head cap screw; Pass light cover water proof ring 104 simultaneously; With center 114 close fit, make transparent PC cover lampshade 103 and upper casing 102 be mingled with the tight pressing locking of this silica gel circle, thereby reach the excellent waterproof design.
And for example, center 114 is provided with water proof ring 110 with drain pan 111, and drain pan water proof ring 110 adopts ageing-resistant too; Corrosion-resistant, anti-fire-retardant milky silica gel circle is assemblied between center 114 and the drain pan 111; Pass drain pan 111 through stainless hexagon socket head cap screw; Pass bonnet water proof ring 110 and center 114 back side close fit simultaneously, make drain pan 111 and center 114 be mingled with maximized the compressing of these silica gel circle 110 tight pressing lockings, thereby reach the excellent waterproof design.
For another example; Drain pan 111 and draw between the water joint 113 of outside of electric wire collision mat 112 is set; The water joint 113 that collision mat 112 will pass line screws in the position, tooth hole that drain pan 111 matches, make water joint 113 tightly push down collision mat 112, make collision mat 112 and wire rod being sealedly connected and fixed tightly; Collision mat 112 is tightly tightly sealed with drain pan 111 sidewalls, thereby reach the effect of waterproof sealing.
Perhaps, another example is that said linear LED Projecting Lamp also fixedly installs a power supply; Said power supply and said housing 114 fix, and said power supply is electrically connected with said control panel 108; Through the power supply that is provided with; Can be said control panel, and other not parts the electric energy of predeterminated voltage is provided, use convenient.
For a person skilled in the art, can improve or conversion, and all these improvement and conversion all should belong to the protection domain of accompanying claims of the present invention according to above-mentioned explanation.
Claims (10)
1. the linear LED Projecting Lamp of a tunable optical comprises drive plate, led light source and casing assembly, it is characterized in that;
Said drive plate is designed with RS485 network-bus, chip microprocessor, constant-current driven chip and feedback sense circuit module, and said RS485 network-bus receives DMX light modulation packet and transfers to institute's chip microprocessor and carries out data;
Said chip microprocessor unit is designed with decoder module and data conversion module, and said decoder module is decoded to said DMX light modulation packet, converts pwm signal to through said data processing module;
Said constant-current driven chip is provided with at least one constant-current driving passage, each LED in the corresponding led light source plate of each constant-current driving passage difference, and each constant-current driving passage output pwm signal drives corresponding LED;
Said casing assembly comprises upper casing, center, drain pan and the lampshade that interfixes; And, at least one light barrier is set on the said lampshade;
The both ends of said light barrier and lampshade are locked; And said light barrier is provided with rotation section and light-blocking part, and the position of light barrier is rotated in said rotation section, changes the glazed area of said lampshade.
2. linear LED Projecting Lamp according to claim 1 is characterized in that, said feedback sense circuit module comprises temperature feedback sense circuit submodule, voltage feedback sense circuit submodule and current feedback testing circuit submodule.
3. linear LED Projecting Lamp according to claim 1 is characterized in that the surface of said drain pan and said center is respectively arranged with radiation rib.
4. linear LED Projecting Lamp according to claim 1 is characterized in that, said led light source and and said lampshade between a spreadlight lens also is set.
5. linear LED Projecting Lamp according to claim 1 is characterized in that said led light source is fixed on the aluminium base, and said aluminium base surface also is provided with a barrier bed.
6. linear LED Projecting Lamp according to claim 1 is characterized in that, two stands at least also is set, and each support passes bracket holes position and bullet pad and said center through a hexagon socket head cap screw and is locked.
7. linear LED Projecting Lamp according to claim 1 is characterized in that, said constant-current driven chip setting at least three constant-current driving passages, and each constant-current driving passage is connected with each led light source respectively.
8. according to the said linear LED Projecting Lamp of claim 1, it is characterized in that each connecting portion of said casing assembly is provided with milky water-proof silica-gel circle respectively.
9. according to the said linear LED Projecting Lamp of claim 1, it is characterized in that, an external power supply also is set, said external power supply connects the entering lamp casing, is connected with said drive plate electric property.
10. according to the arbitrary described linear LED Projecting Lamp of claim 1-9, it is characterized in that said RS485 network-bus adopts the transmission of DMX512 consensus standard data-signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210175952.8A CN102691938B (en) | 2012-05-31 | 2012-05-31 | Dimmable linear LED projection lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210175952.8A CN102691938B (en) | 2012-05-31 | 2012-05-31 | Dimmable linear LED projection lamp |
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| CN102691938A true CN102691938A (en) | 2012-09-26 |
| CN102691938B CN102691938B (en) | 2014-05-07 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103079313A (en) * | 2012-12-28 | 2013-05-01 | 广州市雷格斯光电科技有限公司 | Multimode dimming and multipath independent constant-current driving circuit for LED (light emitting diode) illumination |
| CN104869734A (en) * | 2015-06-19 | 2015-08-26 | 福建骏鹏通信科技有限公司 | Lamplight system adopting multi-path parallel control |
| CN105898929A (en) * | 2016-05-27 | 2016-08-24 | 合肥工业大学 | Self-adaptive control device and self-adaptive control method for LED electric light source based on optimal light effect |
| CN108036242A (en) * | 2018-01-16 | 2018-05-15 | 佛山市百特思舞台设备有限公司 | A kind of historical relic art work opens up old lighting device and its means of illumination |
| CN109548235A (en) * | 2018-11-30 | 2019-03-29 | 广州市雅江光电设备有限公司 | A kind of synchronisation control means and system of computer head moving lamp |
| CN110159971A (en) * | 2019-05-13 | 2019-08-23 | 上海艺嘉照明科技有限公司 | Diamond shape lamps and lanterns and curtain wall |
| CN111901934A (en) * | 2019-05-06 | 2020-11-06 | 广州彩熠灯光股份有限公司 | Multi-path LED constant current driving circuit with same color |
| CN113225866A (en) * | 2021-04-15 | 2021-08-06 | 东莞华明灯具有限公司 | DMX composite dimming circuit system |
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| CN111901934A (en) * | 2019-05-06 | 2020-11-06 | 广州彩熠灯光股份有限公司 | Multi-path LED constant current driving circuit with same color |
| CN111901934B (en) * | 2019-05-06 | 2023-02-03 | 广州彩熠灯光股份有限公司 | A constant current drive circuit for multi-channel LEDs of the same color |
| CN110159971A (en) * | 2019-05-13 | 2019-08-23 | 上海艺嘉照明科技有限公司 | Diamond shape lamps and lanterns and curtain wall |
| CN110159971B (en) * | 2019-05-13 | 2024-05-28 | 上海艺嘉智慧科技集团有限公司 | Diamond lamp and curtain wall |
| CN113225866A (en) * | 2021-04-15 | 2021-08-06 | 东莞华明灯具有限公司 | DMX composite dimming circuit system |
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| CN102691938B (en) | 2014-05-07 |
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