Summary of the invention
Technical matters to be solved by this invention is to provide a kind of Novel LED display screen.
Technical scheme of the present invention is as follows: a kind of Novel LED display screen, and it comprises installation frame, some LED modules, face shield; Each described LED module is fixed in described installation frame; Described installation frame also arranges some installation positions, is used for being fixedly installed in outside position; Described LED module arranges at least one pcb board, some LED lamps and drives chip; At least one described LED lamp is arranged on the one side of described pcb board, and the driving chip of described LED lamp is arranged on the another side of described pcb board; Described face shield is fixedly installed at least four described LED modules.
Preferably, in described LED display, described face shield also is fixedly installed in described installation frame.
Preferably, in described LED display, described face shield arranges some recesses array arrangement, that adapt to each LED lamp, is used for reducing the spacing of described face shield and each described LED module.
Preferably, in described LED display, described face shield arranges some support portions, at least one lower ventilating opening, at least one upper ventilating opening and some ventiducts, and each described support portion contacts with the support level of each described LED module correspondence position respectively, is used to form each described ventiduct.
Preferably, in described LED display, the top of described face shield arranges brim part, is used for covering each described upper ventilating opening.
Preferably, in described LED display, described face shield is glass or transparent plastic.
Preferably, in described LED display, the LED lamp bar that described LED module is strip, LED lamp string, perhaps the LED display module of rectangle.
Preferably, in described LED display, each LED array of described LED display is arranged into a plane or an inclined-plane, and, the adaptive setting of described face shield.
Preferably, in described LED display, described installation frame also comprises a backboard, its be positioned at described face shield away from a side, each described installation position is arranged at described backboard.
Preferably, in described LED display, also comprise a mounting box, the power supply of its accommodating described LED display and control system are used for being fixedly installed in outside position.
Each technical characterictic of above-mentioned each technical scheme, the LED display that mutually is combined to form.
Adopt such scheme, the form that the present invention adopts installation frame and face shield to combine can produce LED display light, that be fit to vehicle-mounted use, can be installed on car rear portion or car sidepiece; And, can also directly adopt products substitution glass for vehicle window of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
One embodiment of the present of invention are, a kind of Novel LED display screen, and it comprises installation frame, some LED modules, face shield; For example, the LED module is LED lamp bar, the LED lamp string of strip, the perhaps LED display module of rectangle, and for example, as shown in Figure 1, the LED module is the LED display module of the rectangle of 3 row 4 row.LED lamp bar forms lamp bar screen, and perhaps, LED lamp string forms lamp string screen, and structure is lighter, and rectangle LED display module forms the module screen, and structure is more firm.Like this, when a LED module one by one in office breaks down, can fast replacing, thus be conducive to provide standardized products ﹠ services for the client.
Each described LED module is fixed in described installation frame; For example, installation frame is reserved some screws according to specification and the size of LED module, the LED module is screwed on installation frame, and and for example, installation frame is according to specification and the size of LED module, magnet is set, and the LED module arranges iron plate on correspondence position, and both fix in the magnetic contraposition; Preferably, on the basis that the magnetic contraposition is fixed, be screwed, be easy to like this Fast Installation, and solid and reliable.Preferably, installation frame is a cast aluminium structure, and it has a housing and some crisscross brace summers; Housing and each brace summer are one-body molded.Preferably, the installation frame periphery also arranges one deck rubber, wraps up described housing.
Preferably, between the position that each described LED module and described installation frame fix, damping section is set also, with the impact that prevents from shaking, for example, vibration damping sheet; Preferably, damping section is flexible material, and for example sponge, plastics or other have the flexible material of buffering energy-absorbing character.For example, the LED module is fixed on installation frame by screw, plastic mattress, screw in order.
Described installation frame also arranges some installation positions, is used for being fixedly installed in outside position; For example, by each installation position erection bolt or welding, installation frame is fixed in the compartment; Perhaps, by each installation position, installation frame is fixed on the steel plate of car side; Perhaps, by each installation position, installation frame is fixed on the steel plate of body tail, for motorbus, installation frame is pasting vehicle body and is installing, substantially perpendicular to the ground or low dip 1-3 degree angle slightly.
Described LED module arranges at least one pcb board, some LED lamps and drives chip; At least one described LED lamp is arranged on the one side of described pcb board, and the driving chip of described LED lamp is arranged on the another side of described pcb board; LED lamp and driving chip thereof can also comprise such as resistance and/or electric capacity etc. of other essential components and parts, all are arranged on same pcb board, like this, are conducive to weight reduction.
Preferably, in described LED display, described installation frame also comprises a backboard, its be positioned at described face shield away from a side, each described installation position is arranged at described backboard, that is to say, one side of installation frame is light-emitting area, opposite side is shady face, and LED module and face shield are positioned at light-emitting area, and backboard is positioned at shady face.Preferably, between each described LED module and described installation frame, between each described LED module and described backboard, between described installation frame and described backboard, all contacted positions all arrange damping section.
Described face shield is fixedly installed at least four described LED modules, and perhaps, preferred, in described LED display, described face shield also is fixedly installed in described installation frame.Preferably, in described LED display, described face shield is glass or transparent plastic.Like this, can directly adopt products substitution glass for vehicle window of the present invention, be fit to very much integral replacing.
Preferably, in described LED display, described face shield arranges some recesses array arrangement, that adapt to each LED lamp, is used for reducing the spacing of described face shield and each described LED module.That is to say, for example, LED display is the LED dot matrix of 5 row 6 row, and face shield also arranges the recess array of 5 row 6 row, and its shape adapts to each LED lamp, for example, the LED lamp is straw hat lamp, and recess is corresponding straw hat shape, and for example, the LED lamp is surface mounted light, and recess is corresponding surface mounted light encapsulation shape.Preferably, the position that contacts with LED at the recess edge arranges damping section.Like this, be to support the LED lamp on the one hand, help on the other hand to reduce the LED display product thickness.
Preferably, in described LED display, described face shield arranges some support portions, at least one lower ventilating opening, at least one upper ventilating opening and some ventiducts, and each described support portion contacts with the support level of each described LED module correspondence position respectively, is used to form each described ventiduct.For example, the position that the support portion contacts with support level has striped different surface, with increasing friction force.Like this, be to support the LED lamp on the one hand, be to strengthen radiating effect on the other hand, extend the serviceable life of LED display.For example, the support portion is right cylinder, and support level is adaptive pit, and its radius is slightly larger than cylindrical radius, and the degree of depth is the 0.5-1.5 millimeter.Face shield is fixedly installed on LED module or LED display, and itself and LED module or LED display leave the gap; Between itself and LED module or LED display, the gap that is positioned at the below namely descend ventilating opening, is communicated with the air of outside; Between itself and LED module or LED display, the gap that is positioned at the top namely go up ventilating opening, is communicated with the air of outside; Gap between itself and LED module or LED display, in the middle of being positioned at is ventiduct, the crisscross setting of each ventiduct, and each LED lamp of conducting, hot gas be loose touching from the top, and cold air replenishes into from the below, effectively convection current, thus obtain good radiating effect.
Perhaps, the support portion is support bar, and support level corresponds to support slot, and both are adaptive, makes LED lamp and recess leave the gap, forms ventiduct.
Preferably, each recess periphery arranges 3 or 4 support portions, and each LED lamp periphery correspondence arranges 3 or 4 support levels, like this, helps to provide support on the one hand protection LED lamp, helps on the other hand to form ventiduct, obtains good radiating effect.
Preferably, in described LED display, the top of described face shield arranges brim part, is used for covering each described upper ventilating opening.Preferably, brim part extends downwards, and preferred, brim part has 7 shaped sections, to reach the dust-proof effect that better keeps off the rain.Preferably, it is standby that brim part adopts plastics.
Preferably, the backlight side of installation frame, the combination sealing setting of backboard and installation frame is to obtain good result of use; The emission side of installation frame, the combined ventilating setting of face shield and LED module is to obtain better radiating effect.
Preferably, in described LED display, each LED array of described LED display is arranged into a plane, as shown in Fig. 2 A and Fig. 2 B; And, the adaptive setting of described face shield; Be fit to like this be arranged on straight vehicle body, perhaps on the steel plate of car wall; Perhaps each LED array of described LED display is arranged into an inclined-plane, as shown in Fig. 3 A and Fig. 3 B, and, the adaptive setting of described face shield; Like this, be fit to be installed on the inclined-plane of taxi or compact car, for example, substitute or partly substitute the rear seat windscreen of taxi fully.The adaptive setting of described face shield that is to say, what each LED of LED display lines up, and what face shield and recess thereof make with regard to correspondence, and both support the use.
Preferably, in described LED display, also comprise a mounting box, the power supply of its accommodating described LED display and control system are used for being fixedly installed in outside position.Mounting box detachably arranges, and preferred, mounting box has knock-down lid, in order to safeguard.Mounting box can be arranged at interior, also can be arranged at the outside, compartment.Preferably, mounting box arranges some louvres.Preferably, be connected by the netting twine with Aviation Connector between mounting box and installation frame, be arranged thereby can divide, and obtain firmly to connect effect.Preferably, mounting box arranges the wireless connections module, be used for connecting outside control end, acquisition demonstration source, thereby realize a command and control center, the technique effect that countless terminal vehicles show, as long as upgrade the contents such as advertisement, slogan, video at server end, can be on each vehicle timely down loading updating data.
Further, embodiments of the invention can also be, each technical characterictic of the various embodiments described above, the LED display that mutually is combined to form.
Need to prove, above-mentioned each technical characterictic continues combination mutually, forms the various embodiment that do not enumerate in the above, all is considered as the scope of instructions record of the present invention; And, for those of ordinary skills, can be improved according to the above description or conversion, and all these improve and conversion all should belong to the protection domain of claims of the present invention.