CN101707029A - LED display device - Google Patents
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- CN101707029A CN101707029A CN200910093526A CN200910093526A CN101707029A CN 101707029 A CN101707029 A CN 101707029A CN 200910093526 A CN200910093526 A CN 200910093526A CN 200910093526 A CN200910093526 A CN 200910093526A CN 101707029 A CN101707029 A CN 101707029A
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Abstract
The invention discloses an LED display device. The device comprises an installation panel and a plurality of LED units, wherein the installation panel is provided with a plurality of installation vacancies arranged in lattices; the LED unit comprises a base, a shell, a PCB, a power wire arranged on the PCB, a master signal wire, at least one slave control signal wire and a control module; the PCB is also provided with LEDs with the ratio of red, green to blue LEDs being 3:2:1; the LEDs of the same color are the LEDs of the same sorting grade and the adjacent sorting grade; the PCB is fixed on the base and the shell is fixedly connected with the base; the base is also provided with at least one fixing unit and the installation panel is provided with a corresponding fixing position; the control module is provided with a fault detection sub-module, a fault isolation sub-module and a signal replacement sub-module; by detecting whether each input control signal is correct or not, a master control signal is replaced with a slave control signal when judging that the master signal wire malfunctions. The display device is strong in selectivity, high in stability and good in heat dissipation effect.
Description
Technical field
The present invention relates to a kind of LED lighting device, particularly, relate to a kind of LED display device.
Background technology
Along with the development of LED display technique, LED display is used and the brightening of LED lamp decoration is used because of its energy consumption is low, and color reducibility is strong, and characteristics such as life-span length, enormous size, exotic shape have been applied to various occasions more and more widely.Particularly in (in the middle of Olympic venue LED project) in the middle of the LED high-end applications, and when holding occasion, because of the importance and the susceptibility on its application scenario, opportunity, the LED display device of laying for this type of region does not allow any bad point and occurs.
In the prior art, large LED display screen has that components and parts are many, line is many, power supply is many, circuit is complicated, the characteristics that components and parts are numerous, arbitrary components and parts break down, and all can influence the operate as normal of other components and parts, therefore, be difficult to guarantee in use not go wrong, stability is low, and selectivity is also poor.
Therefore, there is defective in prior art, needs to improve.
Summary of the invention
Technical matters to be solved by this invention is provide a kind of selectivity strong, stable high, and good heat dissipation effect, easy installation and removal be the LED display device flexibly.
Technical scheme of the present invention is as follows: a kind of LED display device wherein, comprises an installation panel and some LED unit; Described installation panel is provided with some installation rooms that dot matrix is arranged that are, and is used for corresponding each LED unit of installing; Described LED unit comprises pedestal, housing, pcb board, is arranged on power lead, a main signal line, at least one from control signal wire and control module on the described pcb board; Redness also is set: green on the described pcb board: blueness is the LED light emitting diode of all kinds of 3:2:1; And each LED light emitting diode of same color is the LED light emitting diode of same minute gear selecting and adjacent minute gear selecting thereof; Described pcb board is fixed on the described pedestal, and described housing is fixedlyed connected with described pedestal; Described pedestal also is provided with at least one fixed cell, and described installation panel is provided with corresponding fixed bit; Described control module is provided with failure detection sub, fault isolation submodule and sighal replacement submodule; Described failure detection sub is respectively with main signal line, respectively be connected from signal wire and described fault isolation submodule, and whether each control signal that is used to detect input is correct, notifies described fault isolation submodule; Described fault isolation submodule also is connected with described sighal replacement submodule, is used for judging that described main signal line breaks down when the main control signal of input is incorrect, isolates described main control signal, notifies described sighal replacement submodule; Described sighal replacement submodule, be used for described main control signal is replaced by described from control signal, and according to described from control signal, each LED light emitting diode of drive controlling.
Described LED display device, wherein, described pedestal also is provided with at least one linkage unit, described linkage unit comprises power lead connector, main signal line connector and respectively from the signal wire connector, described linkage unit also coats at least one waterproof insulating layer, and described waterproof insulating layer and described pedestal are one-body molded.
Described LED display device, wherein, the edge of described housing is provided with heat radiator or louvre, and, one-body molded with described housing.
Described LED display device, wherein, described housing also is provided with heat radiator, and described heat radiator and described housing are one-body molded.
Described LED display device, wherein, described installation panel also is provided with at least one identify unit; Described identify unit is paper labels or plastic label; Perhaps be, have the bar code that designs according to each performance parameter, be used to identify the performance parameter of each LED unit.
Described LED display device, wherein, described pedestal setting at least two fixed cells, each fixed cell equilibrium is arranged on the described pedestal, is used to install and fix its corresponding LED unit.
Described LED display device, wherein, described installation panel is provided with wiring groove, is used for correspondence and fixedly installs power lead and each signal wire.
Described LED display device, wherein, described installation panel adopts wooden material to make, and it is shaped as circle, ellipse, above polygon or the wherein combination of arbitrary shape in three limits.
Described LED display device wherein, comprises that a main signal line and three is from signal wire; Respectively from signal wire be used for transmitting respectively first from control signal, second from control signal and the 3rd from control signal; Described failure detection sub, whether respectively from control signal correct, and notify described fault isolation submodule if also being used for detection; And described fault isolation submodule also is used for isolating respectively from control signal when respectively when signal wire breaks down; Described sighal replacement submodule, also being used to change described first is described second from control signal from control signal, perhaps, being used to change described second is the described the 3rd from control signal from control signal.
Described LED display device, wherein, in each signal wire, the parallel or vertical setting of any two signal wires, and the transmission direction of two signal wires that are arranged in parallel oppositely is provided with.
Adopt such scheme, the present invention is by in described LED display device, setting includes the control module of failure detection sub, fault isolation submodule and sighal replacement submodule, described control module is connected from signal wire with at least one with a main signal line respectively, described control module can be controlled by the main control signal unit of described main signal line transmission, also can be by respectively from the controlling of signal wire transmits from control signal, selectivity is strong; And, when described main signal line breaks down, respectively can replace main signal line to work on from signal wire, stability is very high; And, each LED unit directly is fixed on the installation panel, installing/dismounting is simple and convenient flexibly, and, good heat dissipation effect.
Description of drawings
Fig. 1 is the synoptic diagram of embodiment 1 among the present invention;
Fig. 2 is the synoptic diagram of embodiment 2 among the present invention;
Fig. 3 is the synoptic diagram of embodiment 3 among the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
As shown in Figure 1, this enforcement provides a kind of LED display device, and described LED display device comprises an installation panel, and a plurality of LED unit that is arranged on the described installation panel is installed is formed, and can be used for showing letter, figure, literal, video cartoon etc.
Wherein, installation panel 101 is provided with some installation rooms 103 that dot matrix is arranged that are, room 103 is installed is used for corresponding each LED unit of installing, promptly corresponding each LED unit of installing, described installation panel 101 is provided with one room 103 is installed, the shape size in described installation room 103 is consistent with described LED unit, so that each LED unit can be used for showing letter, figure, literal, video cartoon etc. on the display surface of described LED display device.
Described installation panel 101 can adopt metal, plastic cement, wood materials etc. to make; each LED unit is played protective effects such as installing and fixing and prevent collision; and; described installation panel 101 can be considered as the fixed frame of whole LED display device, described LED display device is also played the effect of load-bearing.
Each LED unit is provided with a pedestal 104, housing 106, pcb board, is arranged on power lead, a main signal line, at least one from control signal wire, one or more LED light emitting diode 105 on the described pcb board, and the control module 107 of each LED light emitting diode.
Wherein, described pcb board is fixed on the described pedestal 104, described pcb board plays the effect that installs and fixes to each LED light emitting diode 105, and, be printed with on the described pcb board positive source line, power-polar curve, a main signal line, one or more from signal wire, and according to the control module 107 that is fixed with each LED light emitting diode 105.
Described housing 106 adopts light transmissive material to make, and described housing 106 is fixedlyed connected with described pedestal 104; For example, can be mutually permanently connected, perhaps, can pass through the mutual clamping of draw-in groove buckle etc. by internal and external threads.
Described pedestal 104 also is provided with one or more fixed cells 102, corresponding each fixed cell 102, described installation panel 101 is provided with a corresponding fixed bit, each fixed cell 102 is fixed on its corresponding fixed bit, thereby with described pedestal 104 positioning and fixing on described installation panel 101, thereby with each LED unit secure on described installation panel 101.Wherein, described fixed cell can be set to screw, rivet, latch, buckle, clamp or the like, and described fixed bit is set to corresponding recess or hole portion.
For example, described pedestal 104 is provided with two fixed cells 102, two fixed cells 102 are separately positioned on the both ends that described pedestal 104 seals mutually, so that two fixed cells 102 can be arranged on the described pedestal 104 in equilibrium, be that described pedestal 104 is with respect to two fixed cells, 102 quality balances, two fixed cells 102 fixed bit corresponding with it is used to install and fix each LED unit, so is provided with, and can make the installation of described LED unit more firm.Perhaps, plural fixed cell 102 can also be set, each fixed cell evenly is arranged on the described pedestal, so that described pedestal 104 is with respect to each fixed cell 102 quality balance.
Each LED light emitting diode can be a kind of color in red LED light emitting diode, green LED light emitting diode and the blue led light emitting diode or combination arbitrarily; Described positive source line is used to each electronic devices and components on the described pcb board that voltage is provided, described power-polar curve and described positive source line form a loop, the electrical connection so that each electronic devices and components can walk abreast mutually, and, one or more power ground can also be set, be used for unnecessary electric charge in the institute LED unit is imported the earth, human body damaged to prevent unnecessary electric charge.
Described main signal line is used to transmit main control signal, and described main control signal is transferred to described control module 107; Respectively be used for transmitting, and will respectively be transferred to described control module 107 from control signal respectively from control signal from signal wire; Described control module 107 is according to described main control signal, perhaps described control module basis is respectively from control signal, each LED light emitting diode 105 of drive controlling, make each LED light emitting diode 105 carry out work as required, display graphics, literal, letter, animation etc., perhaps, reality such as glimmers, chases at display effect.
Described control module 107 is provided with failure detection sub, fault isolation submodule and sighal replacement submodule; Described failure detection sub by respectively with described main signal line with respectively be connected from signal wire, described main signal line and respectively all be used to transmit the LED control signal from signal wire, wherein, described main signal line is used to transmit main control signal, respectively be used for transmission respectively from control signal from signal wire, described main control signal with respectively can also can be difference for identical from control signal; Described main control signal and respectively from control signal, for being used to control the LED control signal of each LED light emitting diode 105, can be used to make each LED light emitting diode 105 display graphics, literal, letter, animation, or realize luminous, brighten, effect such as deepening, flicker; Each LED light emitting diode 105 can be according to the main signal transmission of main signal line transmission, perhaps according to respectively from signal wire transmits respectively from the signal transmission, selectivity is strong.
Described fault isolation submodule is connected with described failure detection sub, and described sighal replacement submodule is connected with described fault isolation submodule.
Whether described failure detection sub is used to detect the main control signal of described main signal line input correct, and the result that will detect passes to described fault isolation submodule; When if described main control signal is correct, then described main control signal is through described failure detection sub, be delivered to described fault isolation submodule, after the described fault isolation submodule of process is delivered to described sighal replacement submodule again, be used further to control each LED light emitting diode.
Described main control signal can be used for each LED light emitting diode 105 of direct drive controlling, be that described control module 107 directly is connected with each LED light emitting diode 105, perhaps, described main control signal is each LED light emitting diode 105 of drive controlling indirectly, be that described control module is connected with other driver module, as, be connected with constant-current driven module or constant voltage driving module, other driver modules are connected with each LED light emitting diode 105 again, and described control module is come each light emitting diode 105 of each LED of drive controlling by controlling other driver modules.
When described failure detection sub detects described main control signal when incorrect, described fault isolation submodule is then judged described main signal line for breaking down, and, isolate described main control signal, make the main control signal that breaks down stop transmission; And described sighal replacement submodule is replaced by described main control signal described from control signal, and according to described from control signal, come each LED light emitting diode 105 of drive controlling, the stability of LED display device is very high.
And, redness is set: green on the described pcb board: blueness is the LED light emitting diode of all kinds of 3:2:1, because the luminous intensity of LED light emitting diode of all kinds is different, each LED unit is according to the difference of luminous ratio, can obtain different luminous colour gamuts, redness will be set: green: blueness is the LED light emitting diode of all kinds of 3:2:1, can make the luminous colour gamut of each LED unit more reasonable, can form the LED unit of various luminous colour gamuts, glow color changes various.
And each LED light emitting diode of same color is the LED light emitting diode of same minute gear selecting and adjacent minute gear selecting thereof.
In process of production, according to the material difference of LED wafer, can make the LED light emitting diode of different colours, the LED light emitting diode of different colours is produced respectively in batches, and, can adopt identical encapsulation, be made into identical shaped and big or small LED light emitting diode, adopt beam split color scanner to carry out stepping each LED light emitting diode of same color, promptly can obtain the LED light emitting diode of different class of all kinds.
The LED light emitting diode of each same color is the LED light emitting diode that adopts the same minute gear selecting that the beam split color scanner obtains, promptly all red LED light emitting diodes only adopt the LED light emitting diode of a branch gear selecting, all green LED light emitting diodes only adopt the LED light emitting diode of a branch gear selecting, and all blue led light emitting diodes also only adopt the LED light emitting diode of a branch gear selecting.
Because each LED light emitting diode that each color is identical adopts identical branch gear selecting respectively, therefore, the brightness of the LED light emitting diode of same color is identical, consistent wavelength, encapsulation is identical, shape is identical and big or small identical; Described consistent wavelength refers to, and the color that each LED light emitting diode people's in a certain wavelength coverage naked eyes are seen is identical, promptly can think the consistent wavelength of all the LED light emitting diodes in wavelength coverage.
Wherein, described brightness is meant the bright-dark degree of LED light emitting diode, described color is meant three primary colours, promptly red, green and blue, described wavelength refers to the emission wavelength of LED light emitting diode, described encapsulation comprises pinned encapsulation, surface-mount type encapsulation, power formula encapsulation etc., and described shape comprises round LED lamp, oval LED lamp, cylindrical LED lamp, square LED lamp, Surface Mount LED lamp, Piranha LED lamp etc.
Perhaps, an example is, LED light emitting diode of all kinds can also be selected the LED light emitting diode of adjacent class, for example, select A to divide the LED light emitting diode of gear selecting, with and the LED light emitting diode of each one fen gear selecting of front and back, i.e. the LED light emitting diode of A ± 1 minute gear selecting, more particularly, be the LED light emitting diode of A-1 branch gear selecting and the LED light emitting diode of A+1 branch gear selecting.
Adjacent LED light emitting diode has identical encapsulation, identical shape and identical size equally, and, in very little error range, be in the scope of human eye for brightness and wavelength change perceived, the LED light emitting diode of adjacent class, its brightness can be thought identical approx, and it is consistent that wavelength also can be thought.
Perhaps, similar with last example, LED light emitting diode of all kinds is the LED light emitting diode of same minute gear selecting and one adjacent minute gear selecting thereof, that is to say, LED light emitting diode of all kinds can also be selected the LED light emitting diode of an only adjacent class, for example, select A to divide the LED light emitting diode of gear selecting, and, the LED light emitting diode of arbitrary minute gear selecting before and after it, be the LED light emitting diode of A-1 branch gear selecting, perhaps, A+1 divides the LED light emitting diode of gear selecting.Like this, can dwindle the difference between the LED light emitting diode of all kinds in the described LED arc-surface display screen.
That is to say, one preferably example be when a certain color same minimum divides the LED light emitting diode quantity of gear selecting A enough,, only to get the LED light emitting diode of this minute gear selecting A for this color LED light emitting diode in one or more display device; When the same minimum of a certain color is divided the LED light emitting diode lazy weight of gear selecting A, this color LED light emitting diode for one or more LED lamp strings, can choose the LED light emitting diode of branch gear selecting A-1, perhaps, can choose the LED light emitting diode of branch gear selecting A+1, perhaps, can also choose the LED light emitting diode of branch gear selecting A-1 and the LED light emitting diode of branch gear selecting A+1.
Each LED light emitting diode of same color adopts the LED light emitting diode of same minute gear selecting and adjacent minute gear selecting thereof, because each performance parameter unanimity of the LED light emitting diode of all kinds of identical class or adjacent class, therefore can make described LED display device when showing, display brightness and colourity homogenization make display effect better.
Embodiment 2
As shown in Figure 2, on the basis of above-mentioned each example, described pedestal 104 also is provided with one or more linkage units 201, wherein, described linkage unit 201 is provided with positive source line connector, power-polar curve connector, main signal line connector and respectively from the signal wire connector, positive source line interface in the linkage unit of positive source line interface and adjacent LED unit setting is electrically connected mutually, power cathode line interface in the linkage unit of power cathode line interface and adjacent LED unit setting is electrically connected mutually, the main signal line connector is connected with the mutual signal of main signal line connector in the linkage unit that adjacent LED unit is provided with, respectively respectively being connected from signal wire connector and linkage unit that adjacent LED unit is provided with,, two LED unit are connected thereby being electrically connected mutually with signal from the mutual signal of signal wire connector.
And described linkage unit 201 also coats one or more layers waterproof insulating layer 202, and waterproof insulating layer adopts the waterproof insulation material to make, and for example, the waterproof plastic cement can play the protective effect of waterproof insulation to each line interface of described linkage unit; And described waterproof insulating layer 202 is also one-body molded with described pedestal 104, with to each positive source line, power-polar curve, main signal line and the effect of respectively playing waterproof insulation from signal wire.
For example, described linkage unit 201 is set for connecting male seat or connecting female seat on the pedestal of one LED unit, wherein, comprise that positive source line connection male seat or connection female seat interface, power-polar curve connect male seat or connection female seat interface, main signal line connection male seat or connection female seat interface and respectively be connected male seat or connection female seat interface from signal wire; Described linkage unit 201 is set for connecting female seat or connecting male seat on the pedestal of another adjacent LED unit, wherein, comprise that positive source line connection female seat or connection male seat interface, power-polar curve connect female seat or connection male seat interface, main signal line connection female seat or connection male seat interface and respectively be connected female seat or connection male seat interface from signal wire; By suitable connection male seat be connected female seat, be connected thereby two LED unit are electrically connected mutually with signal.
Embodiment 3
As shown in Figure 3, on above-mentioned each routine basis, also be provided with some heat radiator or louvre on the described housing 106, for example, each heat radiator or louvre can be arranged on the edge part of described housing 106.
And each heat radiator or louvre and described housing are one-body molded, and it is identical with described shell material that heat radiator promptly is set, setting in aggregates, and perhaps, described louvre is the through hole that is arranged on the described housing; For example, each edge at described housing is provided with a plurality of heat radiator, therefore, there is certain space at described housing and described installation panel place, make under the prerequisite that does not influence described LED unit installation steadiness, make the ventilation effect of installation panel two sides better, thereby distribute the heat that comes out from heat radiator more fast, make the radiating effect of described LED unit very good.
Embodiment 4
On above-mentioned each routine basis, on the basis of above-mentioned each example, also in described LED display device, one or more identify units are set also, each identify unit is used for identifying the performance parameter of each LED unit of described LED display device.
Described performance parameter, can be the brightness and the wavelength coverage of each LED light emitting diode, in addition, can also be color, encapsulation, the size of each LED light emitting diode, and shape of described LED unit and described LED cambered surface display module, size etc., and the brightness of same color light emitting diode, encapsulation, size are identical, and consistent wavelength, so each LED light emitting diode of same color, can see a LED light emitting diode as identifies, have accurate performance parameter numerical value, therefore, the sign content is simple, convenient.
Each identify unit can adopt the mode that embeds or paste to be provided with, for example, be arranged on each side of described installation panel, or be arranged on arbitrary side of described installation panel, identify unit is arranged on the side, can make identify unit not take each LED unit, and the installation site of other electronic devices and components, and, display surface specious of present embodiment LED display device do not influenced yet.
Be arranged on the described installation panel and identify unit embedded, can make identify unit, to make, still can clearly recognize each performance parameter of each LED unit through long storage time, use or transportation depositing, use, being not easy to come off under the situation such as transportation.
And for example, identify unit can be a paper labels or plastic label; It is very convenient when in use to use paper labels to make, and for example, can directly paper labels be sticked on the side or side of described installation panel, and identification means is simple, and convenient.And use plastic label can make label more durable, be not easy infringement.
In addition, the bar code that identify unit can also design for each performance parameter that has according to each LED unit can show each specific performance parameter of each LED unit by scanning; Adopt bar code,, adopt the electronic tool management simultaneously, management is standardized more, make when seeking, using the described LED display device of each performance parameter convenient, quick by data are imported computer.
Embodiment 5
On the basis of above-mentioned each example, also described installation panel is provided with wiring groove, described wiring groove is used for each circuit of corresponding fixed placement, for example, positive source line, power-polar curve, main signal line and respectively from signal wire are positioned over each circuit in the described wiring groove, make each trace arrangements neat, do not allow to be subject to external influence, make things convenient for cabling.
And described installation panel adopts wooden material to make, and the installation panel that wooden material is made is fixing firm, and, lighter relatively; The shape of each installation panel can be circle, perhaps oval, perhaps the above polygon in three limits, be triangle, quadrilateral, pentagon, hexagon etc., it perhaps is the shape of its combination in any of above different shape, the installation panel of different shape can be used as the LED display device of different shape, satisfy the demonstration of various figures, literal, letter, video cartoon etc., simultaneously, also satisfy the shape of the LED display device requirement of various occasions.
Embodiment 6
On the basis of above-mentioned each example, one main signal line and three can also be set from signal wire, as comprise main signal line, first from signal wire, second from signal and the 3rd from signal wire, main signal line is used to transmit main control signal, first is used to transmit first from control signal from signal wire, second is used to transmit second from control signal from signal, and the 3rd is used to transmit the 3rd from control signal from signal wire.
When described main signal line broke down, described failure detection sub also was used to detect described first from signal wire, and the result that will detect passes to described fault isolation submodule; If described first from control signal when correct, then described control module is come each LED light emitting diode in each LED unit of drive controlling according to described first from control signal; When described failure detection sub detects described first from control signal when incorrect, described fault isolation submodule judges that then described first signal wire is for breaking down, and, isolate described first from control signal, make break down first from control signal stop the transmission; And described sighal replacement submodule is replaced by described second from control signal with described first from control signal, and according to described second from control signal, comes each LED light emitting diode of drive controlling.
When described first when signal wire breaks down, described failure detection sub also is used to detect described second from signal wire, and the result that will detect passes to described fault isolation submodule; If described second from control signal when correct, then described control module is come each LED light emitting diode in each LED unit of drive controlling according to described second from control signal; When described failure detection sub detects described second from control signal when incorrect, described fault isolation submodule judges that then described secondary signal line is for breaking down, and, isolate described second from control signal, make break down second from control signal stop the transmission; And described sighal replacement submodule is replaced by the described the 3rd from control signal with described second from control signal, and according to the described the 3rd from control signal, comes each LED light emitting diode of drive controlling.
Wherein, described main signal line, described first from signal wire, described second from signal and the described the 3rd from signal wire, each signal wire can be arranged in parallel, perhaps, also can vertically be provided with mutually, for example, described main signal line and first be arranged in parallel from signal wire, and, be provided with from signal wire is vertical from signal wire with the 3rd with second, described second be arranged in parallel from signal wire from signal wire and the described the 3rd, and, be provided with from signal wire is vertical with described first with described main signal line.
And the transmission direction of two signal wires that be arranged in parallel oppositely is provided with, as, the described main signal line and first transmission direction from signal wire oppositely are provided with, and described second oppositely is provided with from signal wire and the described the 3rd transmission direction from signal wire.So, can make four bars circuits from four sides of described LED display device, and, make the input end of four signal line that are connected with each control module, lay respectively at four sides of described control module, any side of four sides of described LED display device, and after each circuit of four any sides of side of described control module is cut off, described LED display device is still unaffected, makes fault effects reach minimum, has guaranteed the stability of described LED display device.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. a LED display device is characterized in that, comprises an installation panel and some LED unit;
Described installation panel is provided with some installation rooms that dot matrix is arranged that are, and is used for corresponding each LED unit of installing;
Described LED unit comprises pedestal, housing, pcb board, is arranged on power lead, a main signal line, at least one from control signal wire and control module on the described pcb board;
Redness also is set: green on the described pcb board: blueness is 3: 2: 1 a LED light emitting diode of all kinds; And each LED light emitting diode of same color is the LED light emitting diode of same minute gear selecting and adjacent minute gear selecting thereof;
Described pcb board is fixed on the described pedestal, and described housing is fixedlyed connected with described pedestal;
Described pedestal also is provided with at least one fixed cell, and described installation panel is provided with corresponding fixed bit;
Described control module is provided with failure detection sub, fault isolation submodule and sighal replacement submodule;
Described failure detection sub is respectively with main signal line, respectively be connected from signal wire and described fault isolation submodule, and whether each control signal that is used to detect input is correct, notifies described fault isolation submodule;
Described fault isolation submodule also is connected with described sighal replacement submodule, is used for judging that described main signal line breaks down when the main control signal of input is incorrect, isolates described main control signal, notifies described sighal replacement submodule;
Described sighal replacement submodule, be used for described main control signal is replaced by described from control signal, and according to described from control signal, each LED light emitting diode of drive controlling.
2. LED display device according to claim 1, it is characterized in that, described pedestal also is provided with at least one linkage unit, described linkage unit comprises power lead connector, main signal line connector and respectively from the signal wire connector, described linkage unit also coats at least one waterproof insulating layer, and described waterproof insulating layer and described pedestal are one-body molded.
3. LED display device according to claim 1 is characterized in that the edge of described housing is provided with heat radiator or louvre, and, one-body molded with described housing.
4. LED display device according to claim 1 is characterized in that described housing also is provided with heat radiator, and described heat radiator and described housing are one-body molded.
5. LED display device according to claim 1 is characterized in that described installation panel also is provided with at least one identify unit; Described identify unit is paper labels or plastic label; Perhaps be, have the bar code that designs according to each performance parameter, be used to identify the performance parameter of each LED unit.
6. LED display device according to claim 1 is characterized in that, described pedestal setting at least two fixed cells, and each fixed cell equilibrium is arranged on the described pedestal, is used to install and fix its corresponding LED unit.
7. LED display device according to claim 1 is characterized in that described installation panel is provided with wiring groove, is used for correspondence and fixedly installs power lead and each signal wire.
8. LED display device according to claim 1 is characterized in that, described installation panel adopts wooden material to make, and it is shaped as circle, ellipse, above polygon or the wherein combination of arbitrary shape in three limits.
9. LED display device according to claim 1 is characterized in that, comprises that a main signal line and three is from signal wire;
Respectively from signal wire be used for transmitting respectively first from control signal, second from control signal and the 3rd from control signal;
Described failure detection sub, whether respectively from control signal correct, and notify described fault isolation submodule if also being used for detection;
And described fault isolation submodule also is used for isolating respectively from control signal when respectively when signal wire breaks down;
Described sighal replacement submodule, also being used to change described first is described second from control signal from control signal, perhaps, being used to change described second is the described the 3rd from control signal from control signal.
10. LED display device according to claim 9 is characterized in that, in each signal wire, and the parallel or vertical setting of any two signal wires, and the transmission direction of two signal wires that are arranged in parallel oppositely is provided with.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910093526.8A CN101707029B (en) | 2009-10-12 | 2009-10-12 | LED display device |
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| CN200910093526.8A CN101707029B (en) | 2009-10-12 | 2009-10-12 | LED display device |
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| CN101707029A true CN101707029A (en) | 2010-05-12 |
| CN101707029B CN101707029B (en) | 2015-05-27 |
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| CN200910093526.8A Expired - Fee Related CN101707029B (en) | 2009-10-12 | 2009-10-12 | LED display device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680912A (en) * | 2011-03-09 | 2012-09-19 | 展晶科技(深圳)有限公司 | Light source detecting device |
| CN103317842A (en) * | 2012-03-21 | 2013-09-25 | 潮州市彩达包装机械有限公司 | Synchronous LED monitor for printing |
| CN103730070A (en) * | 2013-12-18 | 2014-04-16 | 青岛威力电子科技有限公司 | LED unit, LED module, and LED display device |
| CN105185249A (en) * | 2014-04-01 | 2015-12-23 | 晶元光电股份有限公司 | LED display and method for manufacturing the same |
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| CN201274593Y (en) * | 2008-05-09 | 2009-07-15 | 北京中庆微数字设备开发有限公司 | LED pixel lamp with redundant fault-tolerant function and lamp screen composed thereof |
| CN201203020Y (en) * | 2008-05-09 | 2009-03-04 | 北京中庆微数字设备开发有限公司 | LED curtain wall lamp with redundant fault tolerant function |
| CN101368712B (en) * | 2008-09-17 | 2014-07-16 | 北京中庆微数字设备开发有限公司 | LED lamp unit and system |
| CN101477774B (en) * | 2009-02-05 | 2015-01-28 | 北京巨数数字技术开发有限公司 | LED screen manufacturing process, display screen box, display screen and display screen system |
| CN101546499B (en) * | 2009-05-05 | 2014-07-30 | 北京中庆微数字设备开发有限公司 | Transparent LED display screen |
-
2009
- 2009-10-12 CN CN200910093526.8A patent/CN101707029B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680912A (en) * | 2011-03-09 | 2012-09-19 | 展晶科技(深圳)有限公司 | Light source detecting device |
| CN103317842A (en) * | 2012-03-21 | 2013-09-25 | 潮州市彩达包装机械有限公司 | Synchronous LED monitor for printing |
| CN103317842B (en) * | 2012-03-21 | 2015-08-26 | 潮州市彩达包装机械有限公司 | A kind of LED Simultaneous Monitoring instrument for printing |
| CN103730070A (en) * | 2013-12-18 | 2014-04-16 | 青岛威力电子科技有限公司 | LED unit, LED module, and LED display device |
| CN105185249A (en) * | 2014-04-01 | 2015-12-23 | 晶元光电股份有限公司 | LED display and method for manufacturing the same |
| CN105185249B (en) * | 2014-04-01 | 2020-09-08 | 晶元光电股份有限公司 | Light emitting diode display and manufacturing method thereof |
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Effective date of registration: 20191106 Address after: No.1 and No.2 plants, No.789, Chengkang Road, Tianning Town, Jiashan County, Jiaxing City, Zhejiang Province Patentee after: Jiashan Fanxin Design Engineering Co., Ltd Address before: 100085 Beijing city Haidian District East Road No. 1 building E room 402B power Creative Park Patentee before: Beijing Jushu Digital Technology Development Co., Ltd. |
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