CN102168824A - Lighting lamp for LED (Light Emitting Diode) three-dimensional pixel induction screen - Google Patents
Lighting lamp for LED (Light Emitting Diode) three-dimensional pixel induction screen Download PDFInfo
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- CN102168824A CN102168824A CN2010101158334A CN201010115833A CN102168824A CN 102168824 A CN102168824 A CN 102168824A CN 2010101158334 A CN2010101158334 A CN 2010101158334A CN 201010115833 A CN201010115833 A CN 201010115833A CN 102168824 A CN102168824 A CN 102168824A
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Abstract
The invention relates to a lighting lamp for an LED (Light Emitting Diode) three-dimensional pixel induction screen, which comprises a metal bottom shell, an upper shell with lenses and multiple light source modules, wherein the multiple light source modules are installed at the inner bottom of the metal bottom shell and connected with a DMX512 signal wire; the upper shell and the metal bottom shell are fastened together; each light source module comprises a substrate, a control driving circuit, multiple LED modules and a bidirectional light reflection cup which is arranged at one end of the substrate; light emitted by the LED modules on the end surfaces of the substrates is guided to the two sides of the modules through the bidirectional light reflection cups, and the light emits from the corresponding lenses of the upper shell to be used as a pixel point light source; light emitted from the LED modules on the front surfaces of the substrates transmits through the corresponding lenses of the upper shell to be used as a background light source; the light source modules are connected according to DMX512 standards; multiple LED pixel points which are independently controlled can emit light from the right surfaces and two sides of the LED pixel points polydirectionally; and the intensity and time of each pixel point are controllable. The lighting lamp provided by the invention is applicable to the folded composite polyhedron structure of a large-area glass curtain wall and can be used for forming background light and dynamic or static or dynamic and static combined three-dimensional lattice patterns.
Description
Technical field
The invention belongs to decorating building lighting technical field with glass curtain wall, it specifically is the lighting that a kind of LED voxel is induced screen usefulness, this illuminating lamp prodigiosin is used for the three-dimensional illuminator of glass of building curtain wall, to form bias light and three-dimensional lattice pattern.
Background technology
Indoor and outdoor building wall facade is by lamplit mode in the view lighting engineering, and the usually LED of employing floodlights are realized monochromatic light or the photochromic illumination of colorful variation more.LED floodlight profile in the market has two kinds of a light-source structure and list structures, and they all take the design of single surface launching light, and the light angle of launching is less, and the energy of light is bigger, the distance of throw light.The exiting surface of floodlight is single, though have a plurality of pixels on the same direction, ray cast is to depend on long-pending spot areas size and the shading value of going up of face to be illuminated to the long-pending bright and color effect that produces of face to be illuminated.
At present, it is glass curtain wall bodies that more bigger building external wall elevations are arranged in the society, the transparency about 60%, if simple the use as above-mentioned LED floodlight, the illumination that realizes the glass curtain wall body will bring the following problem of a lot of problems, 1. white-light illuminating brightness is difficult to (not having reflective holder lining material, glass transparency) and rises to the actual techniques requirement, 2. can not utilize true glass curtain wall body to realize the video animation demonstration effect that people pursue.Above-mentioned LED floodlight is many washing the single window that the wall lighting system illuminates the outer facade of clear glass curtain wall, and the window of two dimension can be accomplished blinding free with washing the wall lighting system when realizing that interior light is passed through inside, and light source is invisible, and illumination is even basically.Along with the continuous appearance of new-type building, left and right sides doubling, doubling or with the glass curtain wall of arbitrarily angled doubling, promptly so-called three-dimensional clear glass curtain wall have up and down been produced.As still adopting above-mentioned LED floodlight, and continue to use traditional wall lighting system of washing when illuminating three-dimensional clear glass curtain buildings thing, the light of washing wall can be on certain direction of outside vertical surface of building " spilling " or " overflowing ".Therefore that is to say, outside the building can observe directly some light sources on the facade, observe light pollution in other words, that adopts above-mentioned LED floodlight washes that the wall lighting system is inapplicable to be used in the building of three-dimensional transparent glass curtain wall.
Summary of the invention
For solving the problems referred to above that prior art exists, the invention provides a kind of LED voxel and induce the screen lighting, this illuminating lamp prodigiosin is used for the three-dimensional illuminator of glass of building curtain wall, to form the bias light and the three-dimensional lattice pattern of three-dimensional transparent glass curtain wall.
LED voxel of the present invention induces screen to comprise with lighting:
One metal drain pan;
One upper shell, the positive interval of upper shell is established some to preceding light hole, and lens are all installed at light hole place before each; Symmetry is offered manyly to left and right light hole on two sides, at the left and right light hole place of side left lens and right lens is installed respectively; And,
Some light source modules, these light source modules can be from its front and three the directions emissions in two sides light, and they are installed on metal drain pan inner bottom surface at interval, and upper shell and metal drain pan fasten;
Wherein, each light source module comprises matrix, is arranged at control drive circuit, a plurality of led module in the matrix and the two-way reflector that is installed in matrix one end, the control drive circuit is connected in the DMX512 holding wire, one end face of matrix appears a three-primary color LED module in the described led module, and the light that this three-primary color LED sends is penetrated as the pixel light source from the corresponding left and right lens that are positioned on two sides of upper shell by two side directions of two-way reflector oriented module again; Two led modules in the described led module lay respectively at below the respective lens at light hole place before the upper shell, and the light that these two led modules send transmits light source as a setting through these lens.
Above-mentionedly be positioned at led chip and three-primary color LED chip that the led module below the light hole place lens before the upper shell preferably is packaged with the coloured light that turns white, so that white background light and/or color background light to be provided.
The two-way reflector of above-mentioned light source module comprises two conical buckets, and both small ends are opposed to connect as one, and both connecting portion one sides extend a tube connector that is communicated with both inner chambers, is used for being connected with described matrix end face.
The control drive circuit of above-mentioned light source module comprises MCU and some constant-current drive circuits, MCU is connected with the DMX512 holding wire, the control end of some constant-current drive circuits connects the output of MCU respectively, the corresponding led module of output termination of each constant-current drive circuit.
Above-mentioned lighting is elongated, and that cross-sectional profile can be is trapezoidal, circle or rectangle etc.
Lighting list structure of the present invention, have the some light source modules that connect with the DMX512 standard, because independently the LED pixels of control can be from its front and two multi-direction emission light in side to adopt many, the intensity and the time of each LED pixel are controlled, be applicable to the illuminator of glass of building curtain wall, especially be fit to be applied in large-area glass curtain wall doubling combinatorial polytope structure, to form bias light and three-dimensional lattice pattern dynamic or static or that be association of activity and inertia.
The control drive circuit of its light source module is made up of MCU and constant current drive IC, LED is directly driven by the constant current drive IC, the luminous intensity of LED pixel and time can be according to the instant quick adjustment of DMX512 signal that receives, the LED duty can feed back to the convenient monitoring of main control computer simultaneously, and reliability improves.
The setting of the aluminium block of the trough of belt of the body portion of its light source module and aluminium heat-conducting plate etc., the rapid derivation of the heat that helps circuit, LED distributed, and guarantees the service life of LED.
Description of drawings
Fig. 1 is the structural representation of exemplary embodiments of the present invention;
Fig. 2 is the exploded view of Fig. 1 embodiment;
Fig. 3 a is the front view of Fig. 1 embodiment; Fig. 3 b, c are B-B, the A-A profile of Fig. 3 a;
Fig. 4 a, b, c are light source module part enlarged drawing and the C-C cutaway view among Fig. 2;
Fig. 5 is an embodiment circuit diagram of Fig. 1 lighting, and wherein dotted portion is a light source module internal circuit diagram.
The specific embodiment
The present invention is further described below in conjunction with embodiment.
With reference to Fig. 1-3, it is strip with lighting that embodiment LED voxel is induced screen, and it mainly comprises metal drain pan 2, upper shell 3 and some light source modules 1 of two ends installation end plate washer 21 strips.Some light source modules 1 can be from its front and three the directions emissions in two sides light, they are installed on metal drain pan 2 inner bottom surfaces at interval, and all be connected in DMX512 holding wire 4, also have the dc power module 5 for some light source module work on the metal drain pan 2, upper shell 3 and metal drain pan 2 fasten and form one.
Wherein, the cross section of upper shell 3 is the n font, upper shell 3 positive intervals are established some to preceding light hole 31, lens 32 are installed at light hole 31 places before each, symmetry is offered manyly to left and right light hole 33,35 on two sides of upper shell 3, at the left and right light hole place of side left lens 34 and right lens 36 is installed respectively.
Each light source module 1 comprises matrix 11, is arranged at control drive circuit, a plurality of led module in the matrix 11 and the two-way reflector 12 that is installed in matrix one end, the control drive circuit is connected in DMX512 holding wire 4, one end face of matrix 11 appears a three-primary color LED module 18 in the described led module, and the light that this three-primary color LED sends is penetrated as pixel light source (Fig. 3 c) from the corresponding left and right sides lens 34,36 that are positioned on 3 two sides of upper shell by two side directions of two-way reflector 12 oriented modules again; Two led modules 14,15 in the described led module lay respectively at below the respective lens 32 at light hole 31 places before the upper shell 3, and the light that these two led modules send transmits light source (Fig. 3 b) as a setting through these lens 32 forwards.
The lens 32 at light hole 31 places can be selected concavees lens, convex lens or plano lens for use before the above-mentioned upper shell 3, and also available reflector replaces.Left lens 34, the right lens 36 of above-mentioned upper shell 3 sides can be selected concavees lens, convex lens or plano lens etc. for use.
Fig. 4 a, b are light source module 1 enlarged drawing among Fig. 2.Light source module 1 comprises matrix 11, is arranged at control drive circuit, 3 led modules 14,15,18 and the two-way reflector 12 that is installed in matrix 11 1 ends in the matrix 11.Two-way reflector 12 (Fig. 3 b) comprises two conical buckets 121,123, both small ends are opposed to connect as one, and both connecting portion one sides are extended a tube connector 122 that is communicated with both inner chambers, in the tube connector 122 button bit is arranged, connection strap 19 snappings by this button bit and matrix 11 end faces, make two-way reflector 12 be installed in the end face of matrix 11, the three-primary color LED module 18 that matrix 11 end faces appear is positioned at two-way reflector 12 inner chambers middle part.Two-way reflector 12 surfaces externally and internallies also can apply reflecting coating.
According to the design needs, preferably be packaged with led chip and three-primary color LED chip of the coloured light that turns white in the led module 14,15 in matrix 11 fronts, so that white background light and/or color background light to be provided. Led module 14,15 also can adopt the LED of single the coloured light that turns white of 1W, or single three-primary color LED or the like.Led module that matrix 11 end faces appear 18 adopts the three-primary color LED modules usually, also can adopt the led chip that is packaged with the coloured light that turns white and the module of three-primary color LED chip sometimes.
Fig. 4 c is the C-C cutaway view of Fig. 4 b.Wherein, matrix 11 comprise shell 111, trough of belt aluminium block 113, aluminium heat-conducting plate 112 and in establish the circuit box 114 of control drive circuit, the bottom of the inside groove of the aluminium block 113 of trough of belt, top are installed circuit box 114 and aluminium heat-conducting plate 112 respectively, led module 14 fits tightly in aluminium heat-conducting plate 112 by its aluminium radiating seat, and shell 111 covers on the aluminium block 113 of trough of belt fastening by screw and metal drain pan 2.The fin of the control drive circuit in the circuit box 114 is directly welded on the aluminum base PCB plate, the interior groove bottom of this aluminum base PCB plate and aluminium block 113 fits tightly, contact the heat of IC, LED derived rapidly by 2 of aluminium block 113 and metal drain pans and distribute, guarantee the service life of LED.
Fig. 5 is an embodiment circuit diagram of Fig. 1 lighting, and wherein dotted portion is the control drive circuit figure of a light source module 1.Control drive circuit as the light source module 1 on the right comprises MCU1 and 5 constant-current drive circuit U1-U5, MCU1 is connected with the DMX512 holding wire, the control end of constant-current drive circuit U1-U5 connects the output of MCU1 respectively, the corresponding led module of output termination of each constant-current source circuit, be connected between the output of U1 and the power Vcc etc. as LED1, (when the led chip that is packaged with the coloured light that turns white in Fig. 4 aLED module 14 or 15 and a three-primary color LED chip, needing to adopt two constant-current drive circuits to drive respectively).All light source modules 1 all are connected in the DMX512 holding wire by its MCU1-MCU8, according to the data command emission light that receives.Wherein, constant-current drive circuit U1-U5 selects great power LED constant current drive IC for use; as DD312 etc., the DD312 chip includes constant current and produces circuit, hygrosensor and LED open circuit detector etc. (can with reference to DD312 chip handbook), has fault detecting function, overcurrent protection function and overheat protective function.The plug-in resistance R of its REXT termination is set the output constant current value to ground by plug-in resistance R; Its alarm signal end ALARM (i.e. wherein LED open circuit detector output) connects the input of MCU1, meets a pull-up resistor R1 simultaneously to power Vcc, handles so that MCU1 feeds back to main control computer with the LED duty.The Enable Pin EN (being control end) that sees through the DD312 chip can control the switch time of output channel, and switching frequency is up to 1MHz, and the electric current output-response is exceedingly fast, and supports the application of high color range variation and high picture refreshing rate.
Above-mentioned lighting is elongated, directly is installed on inboard use of I-beam (or secondary beam) of supported glass curtain wall.Lighting of the present invention also can be made the strip lamp that cross-sectional profile is trapezoidal, circle or rectangle etc.Lighting of the present invention is applicable to the illuminator of glass of building curtain wall, especially is fit to be applied in large-area glass curtain wall doubling combinatorial polytope structure, to form bias light and three-dimensional lattice pattern dynamic or static or that be association of activity and inertia.
Claims (10)
1. a LED voxel induces screen to use lighting, it is characterized in that comprising:
One metal drain pan;
One upper shell, the positive interval of upper shell is established some to preceding light hole, and lens are installed at light hole place before each; Symmetry is offered manyly to left and right light hole on two sides, at the left and right light hole place of side left lens and right lens is installed respectively; And,
Some light source modules, these light source modules can be from three the directions emissions in its front and two sides light, and they are installed on metal drain pan inner bottom surface at interval, and upper shell and metal drain pan fasten;
Wherein, each light source module comprises matrix, is arranged at control drive circuit, a plurality of led module in the matrix and the two-way reflector that is installed in matrix one end, the control drive circuit is connected in the DMX512 holding wire, one end face of matrix appears a three-primary color LED module in the described led module, and the light that this three-primary color LED sends is penetrated as the pixel light source from the corresponding left and right lens that are positioned on two sides of upper shell by two side directions of two-way reflector oriented module again; Two led modules in the described led module lay respectively at below the respective lens at light hole place before the upper shell, and the light that these two led modules send transmits light source as a setting through these lens.
2. lighting according to claim 1, it is characterized in that: the two-way reflector of described light source module comprises two conical buckets, both small ends are opposed to connect as one, and both connecting portion one sides extend a tube connector that is communicated with both inner chambers, is used for being connected with described matrix end face.
3. lighting according to claim 1 and 2 is characterized in that: be positioned at led chip and a three-primary color LED chip that the led module below the light hole place lens before the described upper shell is packaged with the coloured light that turns white.
4. lighting according to claim 1, it is characterized in that: the matrix of described light source module comprise shell, trough of belt aluminium block, aluminium heat-conducting plate and in establish the circuit box of control drive circuit, the bottom of the inside groove of the aluminium block of trough of belt, top are installed circuit box and aluminium heat-conducting plate respectively, led module fits tightly in the aluminium heat-conducting plate by its aluminium radiating seat, control drive circuit fin in the circuit box is directly welded on the aluminum base PCB plate, and the interior bottom land of the aluminium block of this aluminum base PCB plate and trough of belt fits tightly.
5. according to claim 1 or 4 described lightings, it is characterized in that: the control drive circuit of described light source module comprises MCU and some constant-current drive circuits, MCU is connected with the DMX512 holding wire, the control end of some constant-current drive circuits connects the output of MCU respectively, the corresponding led module of output termination of each constant-current drive circuit.
6. lighting according to claim 5 is characterized in that: described constant-current drive circuit adopts DD312IC, and its alarm signal end ALARM connects the input of corresponding M CU.
7. lighting according to claim 1 is characterized in that: described lighting is elongated.
8. according to claim 1 or 7 described lightings, it is characterized in that: the cross-sectional profile of described lighting is trapezoidal, circle or rectangle.
9. lighting according to claim 1, it is characterized in that: the matrix of described light source module comprise shell, trough of belt aluminium block, aluminium heat-conducting plate and in establish the circuit box of control drive circuit, the bottom of the inside groove of the aluminium block of trough of belt, top are installed circuit box and aluminium heat-conducting plate respectively, led module fits tightly in the aluminium heat-conducting plate by its aluminium radiating seat, control drive circuit fin in the circuit box is directly welded on the aluminum base PCB plate, and the interior bottom land of the aluminium block of this aluminum base PCB plate and trough of belt fits tightly; Described two-way reflector comprises two conical buckets, and both small ends are opposed to connect as one, and both connecting portion one sides extend a tube connector that is communicated with both inner chambers, is used for being connected with described matrix end face.
10. lighting according to claim 1 is characterized in that: the lens at light hole place, the left lens and the right lens of side are concavees lens or convex lens before the described upper shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101158334A CN102168824B (en) | 2010-02-26 | 2010-02-26 | Lighting lamp for LED (Light Emitting Diode) three-dimensional pixel induction screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101158334A CN102168824B (en) | 2010-02-26 | 2010-02-26 | Lighting lamp for LED (Light Emitting Diode) three-dimensional pixel induction screen |
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| Publication Number | Publication Date |
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| CN102168824A true CN102168824A (en) | 2011-08-31 |
| CN102168824B CN102168824B (en) | 2013-01-09 |
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| CN2010101158334A Expired - Fee Related CN102168824B (en) | 2010-02-26 | 2010-02-26 | Lighting lamp for LED (Light Emitting Diode) three-dimensional pixel induction screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105575337A (en) * | 2016-02-17 | 2016-05-11 | 宁波摩通信息科技有限公司 | Outdoor high-brightness liquid crystal screen |
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| Publication number | Publication date |
|---|---|
| CN102168824B (en) | 2013-01-09 |
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Granted publication date: 20130109 Termination date: 20170226 |