CN103065559A - Light-emitting diode (LED) grid screen - Google Patents
Light-emitting diode (LED) grid screen Download PDFInfo
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- CN103065559A CN103065559A CN2012105862585A CN201210586258A CN103065559A CN 103065559 A CN103065559 A CN 103065559A CN 2012105862585 A CN2012105862585 A CN 2012105862585A CN 201210586258 A CN201210586258 A CN 201210586258A CN 103065559 A CN103065559 A CN 103065559A
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Abstract
The invention discloses a light-emitting diode (LED) grid screen which comprises a hanging beam and a plurality of unit screens. The unit screens are combined to form a large screen hung under the hanging beam. Each unit screen comprises an electrical appliance box, two lateral frames arranged in a left-right mode and two modules arranged vertically. The two modules arranged vertically are connected through the electrical appliance boxes and the two lateral frames, the electrical appliance boxes are installed in the middle portion of the back sides of bottom casings of the two modules, and the two lateral frames are respectively installed on the left side and the right side of the back sides of the bottom casings of the two modules. The hanging beam comprises a plurality of main beams, a plurality of connecting beams, hanging devices and unit screen connecting devices, wherein the end portions of adjacent main beams are connected through the connecting beams. The hanging devices are fixed at the upper portions of the main beams, and the unit screen connecting device is arranged at the lower portions of the main beams, and the unit screen connecting devices are arranged at lower portions of the main beams. The LED grid screen is simple in structure, the display screen is fixedly installed in a mode that the screen is hung through the hanging beam, and the manufacture cost of a display screen fixing structure frame is remarkably reduced. The LED grid screen adopts a modular assembling mode, is high in dismantling efficiency and simple and flexible in maintenance, can save manpower and material resources and greatly meets the market demand.
Description
[technical field]
The present invention relates to the LED grid screen, relate in particular to a kind of LED grid screen.
[background technology]
Grid screen is a kind of of LED display, and traditional grid screen is assembled in by many LED display lamp bars on the framework of an integral body and forms.A large grid screen need to be installed a lot of lamp bars at framework, can't realize that modularization, installment work are loaded down with trivial details, and installation effectiveness is low, and the electrical equipment of grid screen is laid the consistance that is difficult for reaching outward appearance with the distribution of circuit.Dismounting, maintenance inconvenience.
In the LED display field, the fixed form of display screen adopts steel frame construction to fix mostly.The steel frame construction of traditional supporting grid screen takes up room large, complex structure, and quality load increases, and cost and labour cost increase, and can't take full advantage of the favorable factor that the unit shields the structure that is locked.
[summary of the invention]
The technical problem to be solved in the present invention provide a kind of simple in structure, be convenient to assembling, installation effectiveness is high, is convenient to the LED grid screen of dismounting, maintenance.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is, a kind of LED grid screen comprises hanging beam and plural module unit screen, described unit screen be combined into giant-screen be suspended on hanging beam below; Described unit screen comprise electrical appliance kit, about two side frames arranging and two modules arranging up and down; Described module comprises the module drain pan of the rectangle of lateral arrangement, and the front of module drain pan is equipped with complex root LED lamp bar; Two modules arranging up and down by electrical appliance kit with are connected a side frame and connect, electrical appliance kit is installed in the middle part at two module drain pan back sides, two side frames are installed in respectively the left and right sides at two module drain pan back sides; Described hanging beam comprises complex root girder, complex root tie-beam, erecting by overhang and unit screen coupling arrangement, and the end of adjacent girder connects by tie-beam; Erecting by overhang is fixed on the top of girder, and unit screen coupling arrangement is arranged in the bottom of girder.
Above-described LED grid screen, the middle part at the module drain pan back side comprise rectangle outstanding enclose frame, enclose frame and vertically arrange; Electrical appliance kit vertically arranges, length equals two length of enclosing frame; Enclose and comprise a plurality of electrical appliance kit hold-down nut posts in the frame, the base plate of electrical appliance kit comprises a plurality of screw holes, the electrical appliance kit gib screw passes the screw hole of electrical appliance kit, screw in electrical appliance kit hold-down nut post and electrical appliance kit is installed on the rear end face that encloses frame, electrical appliance kit links together the middle part of two module drain pans.
Above-described LED grid screen, the back side of module drain pan comprise Nut column and 4 side frame register pins of 4 fixation side frames, and the Nut column of fixation side frame and side frame layout of pins are at the four corners position at the back side of module drain pan; Side frame is bathtub construction, respectively comprise two dowel holes and two screw holes on the base plate of side frame bathtub construction, described dowel hole and described register pin are adaptive, the screw hole that the frame gib screw passes two side frames screws in the Nut column of the fixation side frame of module drain pan, two side frames are separately fixed at the both sides of module drain pan, two side frames link together the two ends of two module drain pans.
Above-described LED grid screen comprises the left and right sides syndeton of unit screen and syndeton up and down, and left and right sides syndeton comprises that two covers connect lock, connects to lock to comprise tapered end and snap close; The tapered end of left and right sides syndeton and snap close are separately fixed on the side frame of homonymy not; Two hooks about syndeton comprises up and down, about two lateral pins, two covers connect lock and 4 blocks of Angle connection plates, connect lock and comprise tapered end and snap close; About two hooks be separately fixed at about the upper end of two side frames, about two lateral pins be separately fixed at about the lower end of two side frames; Two of syndeton covers connect the both sides that lock is arranged in electrical appliance kit up and down, and 4 blocks of Angle connection plates are arranged in 4 angular positions of electrical appliance kit, and are connected with the sidewall of electrical appliance kit; The tapered end of syndeton is fixed on the upper Angle connection plate of electrical appliance kit up and down, and snap close is fixed on the lower dihedral web joint of electrical appliance kit.
Above-described LED grid screen, tapered end comprise lock shaft, fixed head, locking swivel nut and lock shaft spring, and fixed head comprises the lock shaft hole, and the locking swivel nut comprises the lock shaft spring eye, and the rear portion of lock shaft spring eye comprises internal thread; Lock shaft is pre-small post-large multidiameter, and the rear end comprises knob, and front end comprises transverse axis; Lock shaft passes locking swivel nut and fixed head, and transverse axis is exposed at the outside of fixed head, the external thread on the thick axle in the rear portion of lock shaft and the screw-internal thread fit of locking swivel nut; The lock shaft spring housing is on the thin axle of lock shaft, and an end is against on the fixed head, and the other end is against on the step of lock shaft; Snap close comprises through hole and the lock shaft groove of prolate shape, and the opening of prolate shape through hole long axis direction is greater than the length of transverse axis, and the direction of lock shaft groove is vertical with the long axis direction of prolate shape through hole.
Above-described LED grid screen comprises the transverse positioning mechanism that the unit shields, and transverse positioning mechanism comprises two bolt driving mechanisms and two pin-and-hole seats, and pin hole is arranged at the bottom of pin-and-hole seat; Bolt driving mechanism comprises handle, handle back-moving spring and the latch screw of fastening screw, plug housing, hollow; Plug housing is fixed on the upper end of side frame, and the pin-and-hole seat is fixed on the lower end of side frame; Plug housing comprises the slideway of fastening screw and the latch screw hole that intersects vertically with slideway; The latch screw hole is the prolate hole, and the long axis direction of latch screw hole is parallel with the direction of slideway, and the outer end of latch screw hole comprises the pod of handle; Handle comprises that spring holds the hole, and the spring that the latch screw passes handle holds hole and latch screw hole, and the lower end is threaded connection fixing with the fastening screw that is arranged in slideway; The handle back-moving spring is enclosed within on the latch screw, and an end props up the head of latch screw, and the other end is against the bottom surface that handle spring holds the hole.
Above-described LED grid screen, girder comprise base plate, two risers and two suspension ring supports; Two riser lower ends are connected with the base plate two ends respectively, and forming xsect is the girder of U-shaped; The top at riser two ends comprises the installation gap of right-angled trapezium, and two suspension ring supports are positioned at the opening of U-shaped girder upper end, near described two installation gaps, connects two risers respectively; The suspension ring support is U-shaped, is arranged in the opening of U-shaped girder upper end opening downly, and described erecting by overhang comprises two suspension ring, and two suspension ring are separately fixed on two U-shaped suspension ring supports; The dowel hole that comprises a plurality of unit screen on the base plate of girder, described unit screen coupling arrangement comprises a plurality of hook axles and is connected the snap close of connection lock, hook axle and snap close are fixed on the base plate of girder, comprise the hook emptiness avoiding hole on the base plate of hook axle below, comprise on the base plate of the girder of snap close below connecting lock lock shaft hole.
Above-described LED grid screen, described tie-beam comprises outside framework and inner frame, and outside framework comprises two outside plates and two end plates, and outside plate is inverted isosceles trapezoid, and two end plates laterally connects two ends of two outside plates; Inner frame comprises two inner panels and is connected piece and laterally connects the arm-tie of inner panel; Described inner panel serves as a contrast on the inwall of outside plate, and fixes with outside plate; Outside plate is stretched out in the bottom of inner panel, consists of the connecting portion of tie-beam, and the bottom of inner panel comprises a plurality of connecting holes.
Above-described LED grid screen comprises a plurality of Fixed latches, and described girder comprises location-plate, and location-plate connects two hypotenuses at girder riser installation gap position; The riser of erection of main beam breach below comprises a plurality of pin holes; The connecting portion of tie-beam inserts in the groove of erection of main beam breach below two risers formation, and the end of tie-beam outside plate props up the location-plate of girder; Fixed latches passes the pin hole of girder and the connecting hole of tie-beam, and girder and tie-beam are linked together; Girder comprises stiffening plate, and described stiffening plate is fitted on the inwall of erection of main beam breach below riser, and fixes with riser.
Above-described LED grid screen, module drain pan comprise framework and the complex root lamp bar groove of rectangle, and lamp bar groove comprises upper plate, lower plate, rear plate, rain visor and a plurality of reinforcements; Upper plate, lower plate and be connected the two ends of plate and be connected with the side plate of framework, reinforcement is arranged apart along the long axis direction of lamp bar groove, the upper plate of connecting lamp bar groove, lower plate and rear plate; Lamp bar groove comprises the screw hole column of a plurality of fixed light bar pcb boards, and screw hole column is connected with upper plate, the lower plate of lamp bar groove and the plate of being connected respectively, and arranged apart along the long axis direction of lamp bar groove; Described LED lamp bar is connected by the screw hole column of screw with fixed light bar pcb board; Penetrating between the upper plate of adjacent two lamp bar grooves, the lower plate, comprise plural piece web joint between the upper plate of adjacent two lamp bar grooves, the lower plate, described web joint is connected with upper plate, the lower plate of adjacent two lamp bar grooves respectively, and arranged apart along the long axis direction of lamp bar groove; The quantity of LED lamp is identical on the quantity of lamp bar groove rain visor and the LED lamp bar, and rain visor is arranged in the top of LED lamp accordingly, and the rear end of rain visor is connected with the upper plate of lamp bar groove.
LED grid screen of the present invention is simple in structure, the mode that the fixed installation of display screen adopts hanging beam to hang, decrease the manufacturing cost of display screen fixed knot framework; Modular assembling mode, dismounting efficient is high, easy maintenance is flexible, can use manpower and material resources sparingly, greatly the demand of satisfying the market.
[description of drawings]
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is the front view of embodiment of the invention LED grid screen.
Fig. 2 is the rear view of embodiment of the invention LED grid screen.
Fig. 3 is the vertical view of embodiment of the invention LED grid screen.
Fig. 4 is the upward view of embodiment of the invention LED grid screen.
Fig. 5 is the left view of embodiment of the invention LED grid screen.
Fig. 6 is the front view of embodiment of the invention module drain pan.
Fig. 7 is that A among Fig. 6 is to cut-open view.
Fig. 8 is the partial enlarged drawing at I position among Fig. 6.
Fig. 9 is the rear view of embodiment of the invention module.
Figure 10 is embodiment of the invention electrical appliance kit and the exploded view of latch mechanism up and down.
Figure 11 is the exploded view of embodiment of the invention module.
Figure 12 is the stereographic map of embodiment of the invention module.
Figure 13 is the stereographic map of embodiment of the invention unit screen.
Figure 14 is the partial enlarged drawing at II position among Figure 13.
Figure 15 is the partial enlarged drawing at III position among Figure 13.
Figure 16 is the rear view of embodiment of the invention unit screen.
Figure 17 is the cut-open view of embodiment of the invention bolt driving mechanism latch when stretching out.
Cut-open view when Figure 18 is embodiment of the invention bolt driving mechanism latch retract.
Figure 19 is the vertical view of embodiment of the invention bolt driving mechanism plug housing.
Figure 20 is the stereographic map that the embodiment of the invention connects lock.
Figure 21 is the stereographic map that the embodiment of the invention connects another angle of lock.
Figure 22 is the sectional view that the embodiment of the invention connects lock.
Figure 23 is the front view of embodiment of the invention hanging beam.
Figure 24 is the vertical view of embodiment of the invention hanging beam.
Figure 25 is the upward view of embodiment of the invention hanging beam.
Figure 26 is the stereographic map of embodiment of the invention hanging beam.
Figure 27 is the front view of embodiment of the invention girder.
Figure 28 is the vertical view of embodiment of the invention girder.
Figure 29 is the stereographic map of embodiment of the invention girder.
Figure 30 is the upward view of embodiment of the invention girder.
Figure 31 is the front view of embodiment of the invention tie-beam.
Figure 32 is the vertical view of embodiment of the invention tie-beam.
Figure 33 is one of stereographic map of embodiment of the invention tie-beam.
Figure 34 be embodiment of the invention tie-beam stereographic map two.
[embodiment]
To shown in Figure 5, comprise hanging beam and the polylith unit screen 100(of embodiment of the invention LED grid screen limit because of drawing, can not show more unit screen such as Fig. 1, and the present embodiment describes as an example of 8 module units screen example).
Hanging beam comprises that many girders 1, many tie-beam 6(limit because of drawing, can not show more girder and tie-beam, and the present embodiment describes as an example of two girders, tie-beam example), erecting by overhang and unit screen coupling arrangement.The end of adjacent girder 1 connects by tie-beam 6.Erecting by overhang is fixed on the top of girder, and unit screen coupling arrangement is arranged in the bottom of girder.
Polylith unit screen 100 be combined into the unit screen coupling arrangement of giant-screen by hanging beam be suspended on hanging beam below.Unit screen comprise electrical appliance kit 9, about two side frames 3 arranging and two modules arranging up and down.Module comprises the module drain pan 2 of the rectangle of lateral arrangement.The front of module drain pan 2 is equipped with many LED lamp bars 20.Two modules arranging up and down are connected and fixed by electrical appliance kit 9 and two side frames 3, and electrical appliance kit 9 is installed in the middle part at two module drain pan 2 back sides, and two side frames 3 are installed in respectively the left and right sides at two module drain pan 2 back sides.
The screw hole column 208 of 6 fixed light bar pcb boards is arranged in every lamp bar groove 204, and screw hole column 208 is connected with upper plate 205, lower plate 206 and the plate 207 of being connected respectively, and arranged apart along the long axis direction of lamp bar groove 204.In the every lamp bar groove 204 6 reinforcements 209 are arranged, reinforcement 209 is arranged apart along the long axis direction of lamp bar groove 204, and reinforcement 209 connects upper plate 205, lower plate 206 and rear plate 207.Screw hole column 208 in the lamp bar groove 204 and strong muscle 209 staggered intervals are arranged.LED lamp bar 20 is connected with screw hole column 208 by screw, and the pcb board 2002 of LED lamp bar 20 is embedded in the lamp bar groove 204.The pcb board 2002 of LED lamp bar 20 is filled with the black waterproof gasket cement after being installed in the lamp bar groove 204 of drain pan, carries out waterproof sealing.
On the every lamp bar groove 204 rain visor that protract 210 identical with lamp bar LED lamp 2001 quantity arranged, the rear end of rain visor 210 is connected with the upper plate 205 of lamp bar groove 204.Rain visor 210 is arranged in the top of LED lamp 2001 accordingly.
Has penetrating neutral gear 211 between the upper plate 205 of adjacent two lamp bar grooves 204 and the lower plate 206.Comprise polylith web joint 212 between the upper plate 205 of adjacent two lamp bar grooves 204, the lower plate 206, web joint 212 is connected with upper plate 205, the lower plate 206 of adjacent two lamp bar grooves 204 respectively, and arranged apart along the long axis direction of lamp bar groove 204.
Such as Fig. 9 to shown in Figure 11, the middle part at module drain pan 2 back sides have rectangle outstanding enclose frame 213, enclose frame 213 and vertically arrange.Electrical appliance kit 9 also vertically arranges, the length of electrical appliance kit 9 equals two length of enclosing frame 213.Enclose a plurality of electrical appliance kit hold-down nut posts 215 are arranged in the frame 213, a plurality of screw holes 902 are arranged on the base plate 901 of electrical appliance kit 9, electrical appliance kit 9 gib screws pass the screw hole 902 of electrical appliance kit 9, screw in electrical appliance kit 9 hold-down nut posts 215, electrical appliance kit 9 is fixed on the rear end face that encloses frame 213, and electrical appliance kit 9 links together the middle part of two module drain pans 2.
Enclose the O-ring seal embedded groove 216 of annular on the rear end face of frame 213.Embedded groove 216 embedding sealing cushion rubbers 217, when electrical appliance kit was installed, O-ring seal 217 guaranteed module drain pan 2 and the electrical appliance kit 9 realization waterproof sealings of installing, whole module reaches the IP67 waterproof requirement.
Such as Fig. 9 and shown in Figure 11, the back side of module drain pan 2 comprises 4 side frame Nut columns 218 and 4 side frame register pins 219, and side frame Nut column 218 and side frame register pin 219 are arranged in the four corners position at the back side of module drain pan 2.Shown in Figure 13 to 16, side frame 3 is bathtub construction, comprise two dowel holes and two screw holes on the base plate 301 of each side frame 3 bathtub construction, the dowel hole of side frame 3 and register pin 219 are adaptive, the side frame Nut column 218 that the screw hole that frame gib screw 17 passes side frame 3 screws in module drain pan 2 is separately fixed at side frame 3 both sides of module drain pan 2, and left and right side frame 3 is connected to the two ends of two module drain pans 2 together.
Every module unit screen comprises left and right sides syndeton, up and down syndeton and transverse positioning mechanism.
Such as Figure 13 to shown in Figure 16, the left and right sides syndeton on the unit screen be used for the unit screen with about contiguous unit shield and be connected and lock.The left and right sides syndeton of unit screen comprises that two covers connect lock up and down; Every cover connects lock and comprises a tapered end 10 and a snap close 12, on the side frame 3A and 3B that the tapered end 10 of connection lock and snap close 12 are separately fixed at left and right side.
To shown in Figure 22, tapered end 10 comprises lock shaft 1001, fixed head 1004, locking swivel nut 1002 and lock shaft spring 1003 such as Figure 20.Fixed head 1004 comprises lock shaft hole 1001, in the locking swivel nut 1002 lock shaft spring eye 1002b is arranged, and there is internal thread at the rear portion of lock shaft spring eye 1002b; Lock shaft 1001 is pre-small post-large multidiameter, and there is knob 1001a the rear end, and front end has transverse axis 1001b; Lock shaft 1001 passes locking swivel nut 1002 and fixed head 1004, and transverse axis 1001b is exposed at the outside of fixed head 1004.External thread on the thick axle 1001c in the rear portion of lock shaft 1001 and the screw-internal thread fit of locking swivel nut 1002; Lock shaft spring 1003 is enclosed within on the thin axle 1001d of lock shaft 1001, and an end is against on the fixed head 1004, and the other end is against on the step of lock shaft 1001.
Snap close 12 has through hole 1201 and the lock shaft groove 1202 of prolate shape, and prolate shape through hole 1201 is along the opening of its long axis direction length greater than tapered end 10 transverse axis 1001b, and the direction of lock shaft groove 1202 is vertical with the long axis direction of prolate shape through hole.
To shown in Figure 16, tapered end 10 is fixed on the inboard of left border 3A outside wing plate by fixed head 1004 such as Figure 13, and the inboard wing plate of left border 3A has the avoiding hollow groove of fixed cover 1002.The front end of the lock shaft 1001 of tapered end passes the outside that hole on the wing plate of the left border 3A outside reaches side frame 3A.
Snap close 12 is fixed on the inboard of Right Border 3B outside wing plate; Hole 3B01 on the wing plate of the Right Border 3B outside is communicated with the through hole 1201 of the prolate shape of snap close, is convenient to the penetrating of lock shaft 1001 that another unit shields tapered end.
For with a left side, connect and pinning between the right unit screen, the front end of the lock shaft 1001 of right unit screen tapered end 10 will pass hole 3B01 on the wing plate of another module unit screen Right Border 3B outside and the through hole 1201 of snap close 12 prolate shapes, rotate the knob 1001a of right unit tapered end, after the transverse axis 1001b of lock shaft 1001 front ends is stuck in the lock shaft groove 1202 of snap close 12, to lock swivel nut 1002 screws forward, the front end face of locking swivel nut 1002 withstands the rear end face of fixed head 1004, the transverse axis of tapered end 10 and snap close 12 fastenings can not get loose, with a left side, right two module units screen links together fully and locks.
Unit screen and bindiny mechanism up and down comprise and are connected and lock two parts.
Unit screen comprises hook 4 and lateral pin 5 with the coupling part of bindiny mechanism up and down.About two hooks 4 respectively be fixed on by a screw about the upper end of two side frames 3, about two lateral pins 5 be separately fixed at about the lower end of two side frames 3.Unclamp the gib screw 401 of hook 4, hook 4 can be around 180 ° of rotations of gib screw, and when unit screen packed and transported, it is inner that hook 4 is recoverable to and ensconces the unit screen, avoids overhanging and break, and take packaging volume too much.
Unit screen is up and down during assembly unit, and the hook of lower unit screen hangs on the lateral pin of bottom of unit screen, can realize the Primary Location of shielding up and down reducing the quantity of the support personnel when screen connects up and down and the strength of supporting; When connecting the latch mechanism inefficacy, can also play safety, protective effect.
When the lower unit screen was connected with upper unit screen, the hook 4 of lower unit screen hung on the lateral pin 5 of unit screen, finishes the first step of connection.
To shown in Figure 16, the transverse positioning mechanism of every module unit screen comprises two bolt driving mechanisms 7 and two pin-and-hole seats 8 such as Figure 13.Bolt driving mechanism 7 is fixed in the groove of side frame 3 upper ends, and pin-and-hole seat 8 is fixed in the groove of side frame 3 lower ends.There is pin hole 801 on the surface of pin-and-hole seat 8.
To shown in Figure 19, bolt driving mechanism comprises handle 703, handle back-moving spring 704 and the latch screw 705 of latch 701, plug housing 702, hollow such as Figure 17.Plug housing 702 is fixed in the groove of side frame 3 one ends, and plug housing 702 comprises the slideway 702a of latch and the latch screw hole 702b that intersects vertically with slideway 702a.Latch screw hole 702b is the prolate hole, and the long axis direction of latch screw hole 702b is parallel with the direction of slideway 702a.There is the pod 702c of handle the outer end of latch screw hole 702b.
Handle 703 comprises that spring holds hole 703a, and the spring that latch screw 705 passes handle 703 holds hole 703a and latch screw hole 702b, and the lower end is threaded connection fixing with the latch 701 that is arranged in slideway 702a.
Handle back-moving spring 704 is enclosed within on the latch screw 705, and an end props up the head of latch screw 705, and the other end is against the bottom surface that handle 703 springs hold hole 703a.
When pulling down fixed handle 703, handle 703 is retracted downwards along slideway 702a by latch screw 705 pulling latches 701; When upwards spurring handle 703, handle 703 protrudes upward along slideway 702a by latch screw 705 pulling latches 701.After latch 701 stretches out, handle 703 is under the elastic force effect of handle back-moving spring 704, and the lower end enters the pod 702c of plug housing 702 outside surfaces, under the elastic force effect of handle back-moving spring 704, pod 702c pins handle 703, and latch 701 can not automatic retraction.
The hook 4 of lower unit screen hangs on the lateral pin 5 of unit screen, after finishing the first step of connection, upwards spur two handles 703 of lower unit screen plug housing, allow two latches 701 stretch out, the pin hole 801 of two the pin-and-hole seats in screen bottom, unit in the insertion is finished the lower unit screen accurate location horizontal with upper unit screen.
Unit screen and locking two parts of bindiny mechanism up and down comprise two covers is connected lock and two go up Angle connection plates 11 and two lower dihedral web joints 13.The connection lock of bindiny mechanism is identical with the connection lock construction of left and right sides syndeton up and down.
As shown in figure 10, two of bindiny mechanism covers connect the both sides that lock is arranged in electrical appliance kit 9 up and down, and every cover connects lock and comprises 1 tapered end 10 and snap close 12.
Upper Angle connection plate 11 is arranged in the both sides of electrical appliance kit 9 upper ends, and is connected by screw with the sidewall 903 of electrical appliance kit shell.Lower dihedral web joint 13 is arranged in the both sides of electrical appliance kit 9 lower ends, and is connected by screw with the sidewall 903 of electrical appliance kit shell.
The tapered end 10 that connects lock is fixedly on the upper Angle connection plate 11 of electrical appliance kit 9, and snap close 12 is fixedly on the lower dihedral web joint 13 of electrical appliance kit 9.The tapered end 10 of lower unit screen fastens with the snap close 12 of upper unit screen.
For upper and lower unit screen is connected and locking.The front end of lower unit screen tapered end 10 lock shafts 1001 passes the through hole of unit screen snap close 12 prolate shapes, turning knob 1001a, after the transverse axis 1001b of lock shaft 1001 front ends is stuck in the lock shaft groove 1202 of snap close 12, to lock swivel nut 1002 screws forward, the front end face of locking swivel nut 1002 withstands the rear end face of fixed head 1004, the transverse axis of tapered end 10 and snap close 12 fastenings can not get loose, and upper and lower unit screen can be linked together fully and lock.
Figure 23 to hanging beam shown in Figure 26 take two root girders, two tie-beams as example.
Girder 1 comprises base plate 101, two risers 102 and two suspension ring supports 103.The lower end of two risers 102 is connected with the two ends of base plate 101 respectively, and forming xsect is the girder 1 of U-shaped.The right-angled trapezium installation gap 110 that tie-beam 6 is installed is arranged at the top at riser 102 two ends.
Two suspension ring supports 103 are positioned at the opening of U-shaped girder 1 girder upper end, respectively near two installation gaps 110, with 102 welding of two risers.
Erecting by overhang comprises two lifting bolts 15, and the bottom land of suspension ring support 103 is welded with suspension ring and screws in nut, and its threaded hole is in order to screw in lifting bolt 15.Two lifting bolts 15 are threaded connection on the base plate that is separately fixed at two U-shaped suspension ring supports 103.
The dowel hole 101a of a plurality of unit screen is arranged on the base plate 101 of girder 1, be used for the location that the unit shields.
The unit screen coupling arrangement of hanging beam comprises a plurality of hook axles 106 and the connection lock snap close 12 of being connected with the locking unit screen for the suspension unit screen.Hook axle 106 is fixed on the base plate 101 of girder 1 by angle iron bracket 104.Snap close 12 directly is fixed on the base plate 101 of girder 1.Hook emptiness avoiding hole 101b is arranged on the base plate 101 of hook axle 106 belows, and the hook of being convenient to the unit screen stretches into.On the base plate 101 of snap close below the lock shaft hole 101c that connects lock is arranged, the lock shaft of being convenient to unit screen connection lock passes.
Tie-beam 6 comprises outside framework 6A and inner frame 6B.Outside framework 6A comprises two outside plates 601 and two end plates 602, and outside plate 601 is inverted isosceles trapezoid, and two end plates 602 laterally connects two ends of two outside plates 601, is screwed between end plate 602 and the outside plate 601.Inner frame 6B comprises two inner panels 603 and is connected an arm-tie 604 that is used for laterally connecting two inner panels 603, arm-tie 604 and inner panel 603 welding.Two inner panels, 603 linings and are fixed by dormant screw with outside plate 601 on the inwall of two outside plates 601.Outside plate 601 is stretched out in the bottom of inner panel 603, and as the connecting portion that is connected with girder, the connecting portion of the bottom of inner panel 603 has 4 connecting hole 603a that engage with girder.
Girder 1 also comprises location-plate 105, and location-plate 105 is used for connecting two hypotenuses of girder 1 right-angled trapezium installation gap 110 position risers 102.The installation portion that girder 1 riser 102 is positioned at installation gap 110 belows has two pin hole 102d; The inwall of installation portion is lined with stiffening plate 107, and stiffening plate 107 is fitted on the inwall of girder 1 installation gap 110 below risers 102, and fixing by screw and riser 102
When two girders of needs combination, the connecting portion of tie-beam 6 inserts downwards in the groove of girder two risers 102 installation gaps 110 below installation portions formation, and the hypotenuse of the end of tie-beam 6 outside plates 601 props up the location-plate 105 that girder 1 tilts, and both oblique angles coincide.Fixed latches 16 passes the pin hole 102d of girder 1 and the connecting hole 603a of tie-beam 6, and girder 1 and tie-beam 6 are linked together; The end of Fixed latches 16 can be located with nut lock or with split pin.
Docking between the above embodiment girder of the present invention is that girder is fixedly connected with tie-beam.Tie-beam inner frame bottom is stretched out side plate and is packed in the end of main beam groove body, the inverted trapezoidal hypotenuse of the outside framework of tie-beam and the trapezoidal hypotenuse of end of main beam are fitted, can gain in strength, avoid the displacement between the girder, guarantee the rigidity of junction, be difficult for girder and tie-beam occur, displacement or dislocation distortion between girder and the girder, the pin hole of tie-beam is aimed at the pin hole of girder, inserts Fixed latches and gets final product.A pair of suspension ring are arranged at the top of each girder, can hang the top in building.
The grid screen of the above embodiment of the present invention is assembled by modular unit screen.The unit screen is comprised of two modules, and the web member that two modules are fixed as one is the side frame of both sides grooved and the electrical appliance kit that is installed in the centre position, and the side frame of grooved and electrical appliance kit have up and down bindiny mechanism.The side frame of two grooveds is installed latch at two ends, rise to connect positioning action, at the medial surface of the side frame of the grooved at two ends hook and hanger pin is installed.Unit screen during connection, can connect with hook first up and down, convenient location and be connected connection.The two ends of electrical appliance kit are equipped with the Angle connection plate, and the Angle connection plate is arranged in the both sides of electrical appliance kit, install at the Angle connection plate to connect lock, and upper lower unit screen connection is fixed by connecting lock behind the location.Electrical appliance kit has a plurality of unit screens that connect up and down of sufficient intensity supporting.The screen left and right sides in unit adopts also that to connect lock fixing, the unit screen can reach mutual about, about connect, be assembled into a large grid screen.For the fixed installation of display screen, the mode that adopts hanging beam to hang, easy flexibly, decrease the manufacturing cost of steelframe.Module grid screen hanging beam mount scheme can satisfy the requirement of the low cost of grid screen, quick assembling, assembly unit, dismounting fully.
Claims (10)
1. a LED grid screen comprises plural LED lamp bar, it is characterized in that, comprises hanging beam and plural module unit screen, described unit screen be combined into giant-screen be suspended on hanging beam below; Described unit screen comprise electrical appliance kit, about two side frames arranging and two modules arranging up and down; Described module comprises the module drain pan of the rectangle of lateral arrangement, and the front of module drain pan is equipped with described LED lamp bar; Two modules arranging up and down by electrical appliance kit with are connected a side frame and connect, electrical appliance kit is installed in the middle part at two module drain pan back sides, two side frames are installed in respectively the left and right sides at two module drain pan back sides; Described hanging beam comprises complex root girder, complex root tie-beam, erecting by overhang and unit screen coupling arrangement, and the end of adjacent girder connects by tie-beam; Erecting by overhang is fixed on the top of girder, and unit screen coupling arrangement is arranged in the bottom of girder.
2. LED grid screen according to claim 1 is characterized in that, the middle part at the module drain pan back side comprise rectangle outstanding enclose frame, enclose frame and vertically arrange; Electrical appliance kit vertically arranges, length equals two length of enclosing frame; Enclose and comprise a plurality of electrical appliance kit hold-down nut posts in the frame, the base plate of electrical appliance kit comprises a plurality of screw holes, the electrical appliance kit gib screw passes the screw hole of electrical appliance kit, screw in electrical appliance kit hold-down nut post and electrical appliance kit is installed on the rear end face that encloses frame, electrical appliance kit links together the middle part of two module drain pans.
3. LED grid screen according to claim 1, it is characterized in that, the back side of module drain pan comprises Nut column and 4 side frame register pins of 4 fixation side frames, and the Nut column of fixation side frame and side frame layout of pins are at the four corners position at the back side of module drain pan; Side frame is bathtub construction, respectively comprise two dowel holes and two screw holes on the base plate of side frame bathtub construction, described dowel hole and described register pin are adaptive, the screw hole that the frame gib screw passes two side frames screws in the Nut column of the fixation side frame of module drain pan, two side frames are separately fixed at the both sides of module drain pan, two side frames link together the two ends of two module drain pans.
4. LED grid screen according to claim 1 is characterized in that, comprises the left and right sides syndeton of unit screen and syndeton up and down, and left and right sides syndeton comprises that two covers connect lock, connects to lock to comprise tapered end and snap close; The tapered end of left and right sides syndeton and snap close are separately fixed on the side frame of homonymy not; Two hooks about syndeton comprises up and down, about two lateral pins, two covers connect lock and 4 blocks of Angle connection plates, connect lock and comprise tapered end and snap close; About two hooks be separately fixed at about the upper end of two side frames, about two lateral pins be separately fixed at about the lower end of two side frames; Two of syndeton covers connect the both sides that lock is arranged in electrical appliance kit up and down, and 4 blocks of Angle connection plates are arranged in 4 angular positions of electrical appliance kit, and are connected with the sidewall of electrical appliance kit; The tapered end of syndeton is fixed on the upper Angle connection plate of electrical appliance kit up and down, and snap close is fixed on the lower dihedral web joint of electrical appliance kit.
5. LED grid screen according to claim 4 is characterized in that, tapered end comprises lock shaft, fixed head, locking swivel nut and lock shaft spring, and fixed head comprises the lock shaft hole, and the locking swivel nut comprises the lock shaft spring eye, and the rear portion of lock shaft spring eye comprises internal thread; Lock shaft is pre-small post-large multidiameter, and the rear end comprises knob, and front end comprises transverse axis; Lock shaft passes locking swivel nut and fixed head, and transverse axis is exposed at the outside of fixed head, the external thread on the thick axle in the rear portion of lock shaft and the screw-internal thread fit of locking swivel nut; The lock shaft spring housing is on the thin axle of lock shaft, and an end is against on the fixed head, and the other end is against on the step of lock shaft; Snap close comprises through hole and the lock shaft groove of prolate shape, and the opening of prolate shape through hole long axis direction is greater than the length of transverse axis, and the direction of lock shaft groove is vertical with the long axis direction of prolate shape through hole.
6. LED grid screen according to claim 4 is characterized in that, comprises the transverse positioning mechanism of unit screen, and transverse positioning mechanism comprises two bolt driving mechanisms and two pin-and-hole seats, and pin hole is arranged at the bottom of pin-and-hole seat; Bolt driving mechanism comprises handle, handle back-moving spring and the latch screw of fastening screw, plug housing, hollow; Plug housing is fixed on the upper end of side frame, and the pin-and-hole seat is fixed on the lower end of side frame; Plug housing comprises the slideway of fastening screw and the latch screw hole that intersects vertically with slideway; The latch screw hole is the prolate hole, and the long axis direction of latch screw hole is parallel with the direction of slideway, and the outer end of latch screw hole comprises the pod of handle; Handle comprises that spring holds the hole, and the spring that the latch screw passes handle holds hole and latch screw hole, and the lower end is threaded connection fixing with the fastening screw that is arranged in slideway; The handle back-moving spring is enclosed within on the latch screw, and an end props up the head of latch screw, and the other end is against the bottom surface that handle spring holds the hole.
7. LED grid screen according to claim 6 is characterized in that, girder comprises base plate, two risers and two suspension ring supports; Two riser lower ends are connected with the base plate two ends respectively, and forming xsect is the girder of U-shaped; The top at riser two ends comprises the installation gap of right-angled trapezium, and two suspension ring supports are positioned at the opening of U-shaped girder upper end, near described two installation gaps, connects two risers respectively; The suspension ring support is U-shaped, is arranged in the opening of U-shaped girder upper end opening downly, and described erecting by overhang comprises two suspension ring, and two suspension ring are separately fixed on two U-shaped suspension ring supports; The dowel hole that comprises a plurality of unit screen on the base plate of girder, described unit screen coupling arrangement comprises a plurality of hook axles and is connected the snap close of connection lock, hook axle and snap close are fixed on the base plate of girder, comprise the hook emptiness avoiding hole on the base plate of hook axle below, comprise on the base plate of the girder of snap close below connecting lock lock shaft hole.
8. LED grid screen according to claim 7 is characterized in that, described tie-beam comprises outside framework and inner frame, and outside framework comprises two outside plates and two end plates, and outside plate is inverted isosceles trapezoid, and two end plates laterally connects two ends of two outside plates; Inner frame comprises two inner panels and is connected piece and laterally connects the arm-tie of inner panel; Described inner panel serves as a contrast on the inwall of outside plate, and fixes with outside plate; Outside plate is stretched out in the bottom of inner panel, consists of the connecting portion of tie-beam, and the bottom of inner panel comprises a plurality of connecting holes.
9. LED grid screen according to claim 8 is characterized in that, comprises a plurality of Fixed latches, and described girder comprises location-plate, and location-plate connects two hypotenuses at girder riser installation gap position; The riser of erection of main beam breach below comprises a plurality of pin holes; The connecting portion of tie-beam inserts in the groove of erection of main beam breach below two risers formation, and the end of tie-beam outside plate props up the location-plate of girder; Fixed latches passes the pin hole of girder and the connecting hole of tie-beam, and girder and tie-beam are linked together; Girder comprises stiffening plate, and described stiffening plate is fitted on the inwall of erection of main beam breach below riser, and fixes with riser.
10. LED grid screen according to claim 1 is characterized in that, the module drain pan comprises framework and the complex root lamp bar groove of rectangle, and lamp bar groove comprises upper plate, lower plate, rear plate, rain visor and a plurality of reinforcements; Upper plate, lower plate and be connected the two ends of plate and be connected with the side plate of framework, reinforcement is arranged apart along the long axis direction of lamp bar groove, the upper plate of connecting lamp bar groove, lower plate and rear plate; Lamp bar groove comprises the screw hole column of a plurality of fixed light bar pcb boards, and screw hole column is connected with upper plate, the lower plate of lamp bar groove and the plate of being connected respectively, and arranged apart along the long axis direction of lamp bar groove; Described LED lamp bar is connected by the screw hole column of screw with fixed light bar pcb board; Penetrating between the upper plate of adjacent two lamp bar grooves, the lower plate, comprise plural piece web joint between the upper plate of adjacent two lamp bar grooves, the lower plate, described web joint is connected with upper plate, the lower plate of adjacent two lamp bar grooves respectively, and arranged apart along the long axis direction of lamp bar groove; The quantity of LED lamp is identical on the quantity of lamp bar groove rain visor and the LED lamp bar, and rain visor is arranged in the top of LED lamp accordingly, and the rear end of rain visor is connected with the upper plate of lamp bar groove.
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| CN201210586258.5A CN103065559B (en) | 2012-12-28 | 2012-12-28 | Light-emitting diode (LED) grid screen |
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