The light emitting diode (LED) display screen unit
[technical field]
The utility model relates to a kind of modular tank, relates in particular to a kind of light emitting diode (LED) display screen unit.
[background technology]
The light emitting diode (LED) display screen unit is applicable to the LED display of using in the full outdoor environments such as gymnasium, all kinds of square, station, harbour, airport, urban transportation are induced, highway.
Existing light emitting diode (LED) display screen unit is made up of a housing, two bonnets, Waterproof lock and demonstration module, described demonstration module is located at the housing front, and described two bonnets cover in the housing back, and are connected with housing by hinge, open with convenient, described Waterproof lock is located on the bonnet.
There is the slit between the housing of this kind structure and two bonnets, so rainwater or dust can enter housing by the slit, influence reliability and security that the enclosure interior components and parts use, therefore, the classification of waterproof of existing light emitting diode (LED) display screen unit can't reach in as rugged surroundings such as highways the requirement to the Device IP degree of protection fully.
In addition, the heat radiation of fan mechanical type is adopted in the heat radiation of above-mentioned light emitting diode (LED) display screen unit, and fan is the rapid wear bad product, thus the normal heat radiation of light emitting diode (LED) display screen unit can not ensure, thereby the long operate as normal of light emitting diode is impacted.
[utility model content]
The technical matters of the required solution of the utility model is to provide a kind of light emitting diode (LED) display screen unit, and it can prevent dust, waterproof.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of light emitting diode (LED) display screen unit is provided, comprises the internal layer bonnet that shows module, casing and be used to seal casing back opening, described demonstration module is located at the front of casing; Described internal layer bonnet is connected with casing; Described casing extends to form a plurality of flangings at its opening part to internal layer bonnet direction, and described flanging surrounds retaining at internal layer bonnet edge and can accommodate the water that enters in the casing or the isolation channel of dust.
Described opening has four sidewalls in upper and lower, left and right, and described isolation channel branch is located at four side-walls of opening, and the isolation channel that is positioned on the upper and lower sidewall of opening is a transverse groove, and the isolation channel that is positioned on the left and right sidewall of opening is a vertical slot.
The outwardly-bent formation flanging of described internal layer bonnet, the flanging of this internal layer bonnet is buckled in the isolation channel.
Be provided with leaking hole in the lateral flap of the outwardly-bent formation of described internal layer bonnet downside.
It is downward-sloping to surround the flanging that is connected with casing in the flanging of isolation channel on the described open underside wall, and forms the slope.
A described wherein flanging that surrounds isolation channel is adjacent with the internal layer bonnet, is folded with a resilient seal rubber cushion between described flanging and the internal layer bonnet.
This light emitting diode (LED) display screen unit also is provided with an outer bonnet, and it is located at the outside of internal layer bonnet with respect to casing.Described outer bonnet upper side edge extends upward and forms a flanging, and described flanging is posted by box outer surface.
Described internal layer bonnet is provided with heat radiator, the outside of described heat radiator is provided with some radiation tooths to outer lug, the position of the large power supply in the position of described heat radiator and the casing is corresponding, and the heating face of large power supply is close to the medial surface of heat radiator in the casing.
The top of described casing is provided with a ventilation tube, and it is one corresponding with ventilation tube so that box house forms cross-ventilated bleeder vent that the bottom of casing offers.
Compared with prior art, the utility model is provided with isolation channel in the edge of internal layer bonnet, and described isolation channel can prevent that sealing or dust enter in the casing.
In addition, the unit module casing also comprises outer bonnet, which is provided with flanging, most of water or dust can be blocked from the front of outer bonnet or the side to dirty discharge.
At last, the internal layer bonnet of unit module casing is provided with heat radiator, so most of heat that large power supply produced when working can be passed to heat radiator by heat conduction, by heat radiator heat is dispersed in the ambient atmosphere; Ventilation tube and bleeder vent that casing top, bottom are provided with then make box house form convection current up and down, electronic devices and components work generation little heat can be passed through cross-ventilation in the casing, heat is taken in the ambient atmosphere, thereby reach the heat radiation purpose, make and remain the normal operation circumstances temperature in the case.
[description of drawings]
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is the front elevational schematic of the utility model light emitting diode (LED) display screen unit.
Fig. 2 is the elevational schematic view of the utility model light emitting diode (LED) display screen unit.
Fig. 3 is the schematic top plan view of the utility model light emitting diode (LED) display screen unit.
Fig. 4 is the schematic rear view of light emitting diode (LED) display screen of the present utility model unit.
Fig. 5 is the cross-sectional schematic along A-A line among Fig. 4.
Fig. 6 is the enlarged diagram at I place among Fig. 5.
Fig. 7 is the enlarged diagram at R place among Fig. 5.
Fig. 8 is the cross-sectional schematic along B-B line among Fig. 4.
Fig. 9 is the enlarged diagram at G place among Fig. 8.
Figure 10 is the enlarged diagram at H place among Fig. 8.
Figure 11 is the schematic rear view after outer bonnet is removed in light emitting diode (LED) display screen of the present utility model unit.
[embodiment]
See also Fig. 1, Fig. 4 and Figure 11, light emitting diode (LED) display screen of the present utility model unit comprises that one shows module 1, casing 9, two internal layer bonnets 2 and two outer bonnets 3.Described demonstration module 1 is that some light emitting diode (not shown)s, wiring board (not shown) and plastic cement external member are formed, it is installed in the front of casing 9, one side of described internal layer bonnet 2 and outer bonnet 3 all is linked by hinge 4 and casing 9, described internal layer bonnet 2 is provided with Waterproof lock 5, and described Waterproof lock 5 can be locked in internal layer bonnet 2 on the casing 9.
Described internal layer bonnet 2 is divided into left and right two, covers two openings (not indicating) in the back of casing 9, and is embedded in the casing 9.The side that described internal layer bonnet 2 is adjacent with the edge of casing 9 is connected with casing 9 by hinge 4.Described Waterproof lock 5 is located on the adjacent side of two internal layer bonnets 2, and described Waterproof lock 5 can be a plurality of.
Please together consult Fig. 5 to Figure 10, each opening of described casing has four sidewalls in upper and lower, left and right, its four sidewall extends to form four flangings 62 to the bending of internal layer bonnet 2 directions, described four flangings 62 surround isolation channel 6, the outwardly-bent formation flanging of four sidewalls of described internal layer bonnet 2, the flanging of this internal layer bonnet 2 is buckled in the isolation channel 6.Isolation channel 6 on the upper and lower sidewall of described each opening that is positioned at casing 9 is transverse groove, is vertical slot at the left and right sidewall of each opening of casing 9 and the isolation channel 6 between the two internal layer bonnets 2.One end of a described wherein flanging 62 that surrounds isolation channel 6 is adjacent with internal layer bonnet 2, is folded with a resilient seal rubber cushion 64 between itself and the internal layer bonnet 2.Be provided with leaking hole 60 in the lateral flap of the outwardly-bent formation of described internal layer bonnet 2 downsides, the flanging 62 that is connected with casing 9 in the flanging 62 of the lateral isolation groove 6 that surrounds on each open underside wall of described casing 9 is downward-sloping, and forms the slope.
Because internal layer bonnet 2 is embedded in the casing 9, have in the lateral isolation groove 6 on each open upper side wall that water flows into casing 9, in described lateral isolation groove 6, pile up or the left and right sidewall of each opening by casing 9 on vertical isolation channel 6 flow into downwards in the lateral isolation groove 6 on each open underside walls of casings 9, and the slope of the lateral isolation groove 6 on each open underside wall of casing 9 is of value to dust or the water outflow that flows into the lateral isolation groove 6 on the lower wall, therefore, can not exist dust or water-water reactor to amass phenomenon, can not enter in the casing 9.Described internal layer bonnet 2 is provided with resilient seal rubber cushion 64 with the adjacent regions of the flanging 62 of isolation channel 6, and described resilient seal rubber cushion 64 closely contacts with flanging 62, the slit can not occur, so sealing effectiveness is good.
Please consult Fig. 4 again, described outer bonnet 3 also is divided into left and right two, and it covers in the outside of internal layer bonnet 2 with respect to casing 9.Described outer bonnet 3 is connected by hinge 4 with internal layer bonnet 2 and casing 9.This hinge 4 is articulated in a side of internal layer bonnet 2 and outer bonnet 3, and internal layer bonnet 2 and outer bonnet 3 can be opened and closed easily.Offer a plurality of through holes 30 on the described outer bonnet 3, described through hole 30 is corresponding with Waterproof lock 5 positions on the internal layer bonnet 2.Described through hole 30 is crescent, the turnover and the rotation of key when it can conveniently open and close Waterproof lock 5 on the internal layer bonnet 2.Please consult Fig. 6 again, described outer bonnet 3 upper side edges extend upward and form a flanging 32, described flanging 32 is posted by the outside surface of casing 100, it can block most of water, make water from outer bonnet 3 fronts or the side to dirty discharge, thereby further strengthen the waterproof and dustproof effect of light emitting diode (LED) display screen of the present utility model unit.
Please consult Figure 11 again, described internal layer bonnet 2 is provided with a plurality of heat radiator 20, described heat radiator 20 adopts aluminium alloy to make, the radiation tooth that its outside has some projectioies, the position of the large power supply in the position of described heat radiator 20 and the casing 9 is corresponding, the heating face of large power supply is close to the medial surface of heat radiator 20 in the casing 9, so the most of heat that produces during large power supply work can be passed to heat radiator 20, the radiation tooth on the heat radiator 20 is penetrated with the cross-ventilation mode and heat can be dispersed in the ambient atmosphere by the width of cloth.Because the outside of described internal layer bonnet 2 is provided with outer bonnet 3, thereby make the heat radiation of heat radiator 20 not be subjected to the influence of the direct projection of sunshine.In addition, outer bonnet 3 of the present utility model simple in structure, it can cover the complex parts on the internal layer bonnet 2, and it is simple to stay a kind of outward appearance to the people, the sensation that is suitable for.
Please together consult Fig. 2 and Fig. 3, the top of described casing 9 is provided with a ventilation tube 7, the bottom of casing 9 offers bleeder vent 8 and osculum (not shown), and described ventilation tube 7 and bleeder vent 8 are equipped with Air Filter and resilient seal rubber cushion (not indicating among the figure) in casing 9.Described ventilation tube 7 is by it being covered from top with casing 9 matching used outer container (not shown)s, thereby solves the problem of waterproof.Owing to offer ventilation tube 7 and bleeder vent 8 respectively in top, the bottom of casing 9, thereby can form cross-ventilation up and down in casing 9 inside, the little heat that produces when the electronic devices and components in the casing 9 are worked can be passed through cross-ventilation, heat is taken in the ambient atmosphere, thereby reach the heat radiation purpose, make and remain the normal operation circumstances temperature in the casing 9.