CN108694892A - A kind of LED display, display babinet and display module - Google Patents
A kind of LED display, display babinet and display module Download PDFInfo
- Publication number
- CN108694892A CN108694892A CN201710231954.7A CN201710231954A CN108694892A CN 108694892 A CN108694892 A CN 108694892A CN 201710231954 A CN201710231954 A CN 201710231954A CN 108694892 A CN108694892 A CN 108694892A
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- Prior art keywords
- module
- display
- pedestal
- needle stand
- babinet
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 81
- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000005728 strengthening Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 210000001503 joint Anatomy 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- 238000000354 decomposition reaction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
- G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Multimedia (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention relates to a kind of LED displays, especially a kind of display screen using mounting device and attachment device, the display screen is spliced to form by display babinet, the display babinet includes cabinet shell, the front of the cabinet shell is equipped with display module, the display module is fixed to cabinet shell by mounting device, realizes mechanical connection by attachment device between the adjacent display babinet and is electrically connected;The mounting device includes:First fixed module comprising sleeve and shaft spring and beam barrel spring, the second fixed module comprising beam barrel and shaft;The attachment device includes the first pedestal, the second pedestal, link block and conducts module.Tool and fast demountable module are not necessarily to using the embodiment of the present invention, power line signal line and waterproof butt joint between display screen box body is also eliminated, not only simplifies operating process, and saved production cost and installation maintenance cost.
Description
Technical field
The present invention relates to a kind of field of LED display more particularly to LED display, display babinet and display modules.
Background technology
LED display shows media as a kind of terminal, as a kind of carrier of advertisement media, with the height of business development
Degree is flourishing, and with the fast development of photoelectric technology, information technology, application is more and more extensive.
The information publication in current many medium fields and service industry can all use LED display screens, present LED to show
Screen includes multiple display babinets, and at least one display module is installed on each babinet.Display module includes module shell, fixation again
The LED light on pcb board and PCB on module shell, in order to realize power supply and the signal company between multiple display modules
It connects, after display module is installed to display babinet, a plurality of power cord, signal wire is designed in each display module;By multiple casees
When body is assembled into LED display, it is also required to setting power cord and signal wire between display babinet, these power cords, signal wire are all
LED display is focused on behind, not only quantity is more, complicated for operation, also unsightly, is less useful for maintenance of the later stage to LED.
Invention content
Technical problem to be solved of the embodiment of the present invention is, provides a kind of LED display, display babinet and display mould
Group, with the power cord, the signal wire that solve the LED display behind of the LED display of the prior art, not only quantity is more, and operation is multiple
It is miscellaneous, unsightly, the problem of being less useful for maintenance of the later stage to LED.
In order to solve the above-mentioned technical problem, an embodiment of the present invention provides a kind of LED display, the LED display by
Display babinet is spliced to form, and the display babinet includes cabinet shell, and the front of the cabinet shell is equipped with display module, described
Display module is fixed to the cabinet shell by mounting device, is realized by attachment device between the adjacent display babinet
Mechanical connection and electrical connection:
The display babinet further includes electrical connection module and the sealing groove in the groove at the cabinet shell back side
Power supply lid, the electrical connection module is equipped with female needle stand;
The display module includes module shell and mould-group circuit-board, and the mould-group circuit-board includes being set to the module shell just
The PCB circuit board in face is equipped at least two switching circuit boards, each built-up circuit between the PCB circuit board and module shell
It is equipped with public needle stand on plate, is connected by the electrical connecting element in the groove on the module shell between the public affairs needle stand
It is logical;
The attachment device includes the first pedestal, the second pedestal, link block and conducts module, first pedestal and second
Pedestal is equipped with pedestal circuit board, and the tow sides of the pedestal circuit board are equipped with female needle stand, and the module that conducts is equipped with
Turning circuit plate, the female needle stand for corresponding to first pedestal and second pedestal on the turning circuit plate respectively are equipped with male needle
Seat;
The first pedestal and the second pedestal of the attachment device are separately fixed on two adjacent display babinets, first base
Seat and the second pedestal are connected by the link block, in the display module a public affairs needle stand and the electrical connection module
Female needle stand cooperation, another male needle stand coordinate with the first pedestal of the attachment device or female needle stand at the back side of the second pedestal.
Preferably, the attachment device includes link block, and the link block includes handle, latches and be fixed on described
The lock column of second base ends:
Described handle one end is equipped with circular drives wheel, and the circular drives wheel is equipped with the first eccentric orfice, the circular drives wheel
Mounted on the end of first pedestal, and can be rotated around the center of circle of the circular drives wheel;
One end of the lock is mounted on by bolt axle on first eccentric orfice, and the other end is locked under the drive of the handle
The tight or disengaging lock column.
Preferably, the mounting device include the first fixed module and the second fixed module, first fixed module and
Second fixed module is corresponding to be arranged on display babinet and display module:
First fixed module includes sleeve and shaft spring and beam barrel spring, and at least two boss are equipped in the sleeve,
Guide groove is equipped between the boss, the end face of the bottom of the boss forms " W " type card slot, between the boss and sleeve outer wall
Equipped with an annular groove, the beam barrel spring is set in the annular groove;
Second fixed module comprising beam barrel and shaft, the beam barrel be equipped with the matched guide table of sleeve guide groove,
The top end face of the beam barrel is saw-tooth-type structures, and serrated slot, the shaft bottom end are formed between the sawtooth of the saw-tooth-type structures
Sliding is set in the beam barrel, and the guide groove that top corresponds to the sleeve is equipped with the first fixture block, and first fixture block is equipped with
The first step that coordinates with any serrated slots of the saw-tooth-type structures of the beam barrel end face and with " W " type card slot of the sleeve
The second step of cooperation;
The beam barrel coordinates with the sleeve, and the beam barrel spring withstands the guide table end face, and the shaft spring is set to described
In sleeve, and withstand the top of the shaft.
A kind of display babinet, the display babinet include:Cabinet shell, power supply lid and electrical connection module:
The electrical connection module is equipped with female needle stand corresponding with the male needle stand of display module;
The back side of the cabinet shell is equipped with groove, and the bottom surface of the groove is equipped with corresponding with female needle stand of the electrical connection module
Trepanning, the power supply lid and the groove coordinate;
The electrical connection module is placed in the groove, and mother's needle stand is placed in the corresponding trepanning of the groove floor.
Preferably, the cabinet shell is frame structure, and the cabinet shell front equipped with multiple is used for that dress is fixedly mounted
The recess platform for the first fixed module set, it is described display babinet along the cabinet shell center line be equipped with cross reinforcing and
Vertical strengthening ribs, the groove are set on the cross reinforcing, the cross reinforcing and vertical strengthening ribs and four side of frame
Between formed and pass freely through the vacancy of module for display module.
Preferably, the side of the cabinet shell is equipped at least two symmetrically arranged the first bases for attachment device
Seat or the recess platform of the second pedestal cooperation.
Preferably, sealing ring is equipped between the power supply lid and the groove.
Preferably, the electrical connection module includes:Power supply and the integral control circuit plate being connect with the power supply and company
Wiring, mother's needle stand are set on the integral control circuit plate.
A kind of display module of LED display, the display module include module shell and mould-group circuit-board:
The mould-group circuit-board includes being set to the positive PCB circuit board of the module shell, the PCB circuit board and module shell
Between be equipped at least two switching circuit boards, be equipped with public needle stand, the public needle of two switching circuit boards on each switching circuit board
It is connected by power cord, signal wire or circuit board between seat;
The public needle stand that the module shell back side corresponds to the switching circuit board is equipped with trepanning, and groove is equipped between the trepanning,
The public needle stand of the switching circuit board is placed in corresponding trepanning, and the power cord, signal wire or circuit board are placed in the groove
In.
Preferably, the second fixed module of a mounting device, the mould is at least arranged in the display module shell rear surface
Assembly housing back center position is equipped with the boss of a handle and trepanning, and the handle is installed to institute by installation axle or screw
It states on boss.
LED display, display babinet and the display module of the embodiment of the present invention, the cabinet shell in display babinet and display
It is all provided with fluted on the module shell of module, for placing electrical connecting element, shows and machine is realized by attachment device between babinet
Tool connects and conducts connection, between display module by public needle stand with show on the electrical connection module being arranged in tank recess
The female needle stand electrical connection being arranged on female needle stand and the pedestal circuit board of attachment device, it is synchronous to realize that electrical connection is connected, first
The power supply and signal of attachment device input are output to the integrated control of babinet by the electrical connecting element in first display module
Circuit board, then second display module is output to by integral control circuit plate, then by the electrical connection element in second display module
Part is exported to second attachment device, and so on, it can be by the connection of power supply and signal between enough multiple display modules of realization, and show
Show there is no exposed connecting line between babinet and display module, appearance looks elegant is easy to operate.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, according to
These attached drawings obtain other attached drawings and still fall within scope of the invention.
Fig. 1 is the connection diagram between the adjacent display screen box body of LED display provided in an embodiment of the present invention;
Fig. 2 is the back side decomposition diagram of display babinet provided in an embodiment of the present invention;
Fig. 3 is the front decomposition diagram of display babinet provided in an embodiment of the present invention;
Fig. 4 is the back side decomposition diagram of display module provided in an embodiment of the present invention;
Fig. 5 is the schematic diagram of module shell upper groove and a kind of distributed architecture of trepanning shown in Fig. 4;
Fig. 6 is the schematic diagram of the groove of module shell and another distributed architecture of trepanning;
Fig. 7 is the decomposition diagram of mounting device;
Fig. 8 is the decomposition diagram of attachment device;
Fig. 9 is front view when attachment device is in locking state;
Figure 10 is upward view when attachment device is in locking state.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
Step ground detailed description.
The embodiment of the present invention provides a kind of LED display, referring to Fig. 1, the LED display includes:At least two installations
Display babinet together, each show are all secured to a few display module 70, pass through between each display babinet on babinet
Attachment device realizes that mechanical connection and electrical connection, each display module 70 are fixed to by mounting device on display babinet.
Please continue to refer to Fig. 2 and Fig. 3, in a feasible scheme, which includes:Cabinet shell 61, power supply
Lid 63 and electrical connection module 65.
The electrical connection module 65 includes power supply 652, integral control circuit plate and connecting line(It is not shown), integrated control electricity
Road plate includes circuit board 651, which is equipped with receiving module and interconnecting module and the PCB circuits with display module
The corresponding female needle stand of the male needle stand of plate 653.
The back side of cabinet shell is equipped with groove 612, and bottom surface is equipped with corresponding with female needle stand 653 of the electrical connection module 65
Trepanning 613, power supply lid 63 and groove 612 coordinate;Electrical connection module 65 is placed in groove 612, and mother's needle stand 653 is placed in recessed
In the corresponding trepanning in 612 bottom surface of slot 613.
Power supply lid 63 is covered on groove 612 in practical application, and sealing can be arranged between power supply lid 63 and groove 612
Circle(It is not shown), it is used for waterproof;Can also be arranged on the power supply lid 63 power supply indicator trepanning and signal lamp trepanning or
Liquid crystal display panel.
In the present embodiment, cabinet shell 61 is set as the frame structure of meter square, and it is in ten that the centre of the frame structure, which is equipped with,
The cross reinforcing 611 and vertical strengthening ribs 614 of word chi structure, groove 612 are set to the cross reinforcing 611 of cabinet shell 61
On.The vacancy passed freely through for display module 70 is formed between cross reinforcing 611 and vertical strengthening ribs 614 and four side of frame,
I.e. in the present solution, when display module is removed from babinet, display module is rotated into certain degree, it can be by display module from frame
The gap of frame structure passes freely through.
The side of cabinet shell 61 is equipped at least two and is used for installing and connecting apparatus with the symmetrical recess platform in its center
The first pedestal or the second pedestal.In the present embodiment, two recess platforms 615 are arranged in every side, and each platform 615 that is recessed is along institute
State that 61 center line of cabinet shell is symmetrical, two recess platforms 615 of each turning both sides of the cabinet shell 61 are adjacent
Side wall babinet handle 617 is connected to form by arc convex.On the recess platform 615 first pedestal 10 of fixed connection apparatus or
Second pedestal 20, is additionally provided with trepanning 616, and female needle stand of the first pedestal 10 or the second pedestal 20 is placed in trepanning 616.
Electrical connection module 65 is mounted in the groove 612 of cabinet shell 61 in the present embodiment, can utilize electrical connection group
Female needle stand 653 of part 65 is realized with the cooperation of the male needle stand of display module 70 and is electrically connected, therefore nothing is exposed to outer power supply on babinet
The electrical connecting elements such as line, signal wire, control line are not only beautiful, it is easier to safeguard.
Please continue to refer to Fig. 4, Fig. 5 and Fig. 6, which is fixed on the front of cabinet shell 61, including outside module
Shell 71 and mould-group circuit-board.
Mould-group circuit-board includes being set to 71 positive PCB circuit board 72 of the module shell, and the PCB circuit board 72 is equipped with
At least two switching circuit boards 73, each switching circuit board 73 are equipped with public needle stand 74, and two public needle stands 74 pass through power cord, signal
The electrical connecting elements such as line or circuit board are connected.
The public needle stand 74 that 71 back side of the module shell corresponds to the switching circuit board 73 is equipped with trepanning 76, which sets
There is sealing ring 75.Groove 77 is equipped between two trepannings 76, the electrical connecting element is placed in the groove 77, the public affairs needle stand
74 are placed in corresponding trepanning 76, and female needle stand cooperation corresponding in attachment device.
Therefore, there is no exposed connecting line, appearance looks elegant, due to being adopted at the trepanning 76 at the module back side in the display module
Module and mounting surface are sealed with sealing ring 75, to be easily achieved the waterproof of display module.
Specifically, two switching circuit boards 73 in the PCB circuit board 72 can be arranged it is opposite in PCB circuit board 72
Both ends(As shown in Figure 4), at this point, the positional structure of the trepanning 76 and groove 77 on module shell is as shown in Figure 5;Can also turn
It connects circuit board 73 and adjacent both sides in PCB circuit board 72 is set, at this point, the position of the trepanning 76 and groove 77 on module shell
Structure is as shown in Figure 6.
71 back center position of module shell is equipped with the boss 79 of a handle 80 and trepanning, and the handle 80 passes through installation
Axis or screw are installed on the boss 79.
In practical application, 71 trepanning of module shell as shown in Figure 5 be upper and lower ends trepanning mode, show babinet between
Electrical connection conduction mode is the mode that is connected up and down;Module shell trepanning as shown in FIG. 6 is the trepanning mode of adjacent both sides,
Electrical connection conduction mode between display babinet is to control the mode that is connected.
It should be further noted that display babinet of the present embodiment or so and upper and lower directions are the direction of diagram, if
90 degree are had rotated when display babinet installation, then shows 90 degree of left and right and the upper and lower directions respective change of babinet.
Fig. 7 is please referred to, is a specific embodiment of the mounting device of the present embodiment, the mounting device includes the
One fixed module and the second fixed module, the first fixed module and the second fixed module it is corresponding setting display babinet and
In display module:
First fixed module includes sleeve 123, shaft spring 125, beam barrel spring 126 and spring base 124;
It is equipped with 4 equally distributed boss in the sleeve 123, forms guide groove 1231 between boss, the end face of boss bottom is set
There are four the inclined-planes intersected successively, form " W " type card slot 1232, are somebody's turn to do two inclined-planes and guide groove in 1232 outside of " W " type card slot
1231 intersections;An annular groove is equipped between the boss and sleeve outer wall, one end of the beam barrel spring 126 is arranged in the annular groove
It is interior.
Spring base 124 is set to the bottom end of the sleeve 123, and shaft spring 125 is fixed on the spring of the spring base 124
Above screens 1241, the other end of beam barrel spring 126 is placed in above the spring base 124.The spring base 124 is at the bottom of sleeve 123
End can rotate freely.
Second fixed module includes beam barrel 121 and shaft 122, and beam barrel 121 is equipped with and is matched with the sleeve guide groove 1231
Guide table 1211, the end face of the guide table 1211 is used for and beam barrel spring 126 coordinates.
Notched ring-like screens 1213 is equipped in beam barrel 121, one side of the ring-like screens 1213 close to bottom end is sawtooth
Type structure forms serrated slot between the sawtooth of saw-tooth-type structures.The end face on the top of the beam barrel 121 is also saw-tooth-type structures, saw
Serrated slot 1212 is formed between the sawtooth of tooth type structures, the direction of sawtooth is opposite with the sawtooth of annular screens 1213, wherein beam barrel
The number of the serrated slot on 121 tops and the number of the serrated slot of annular screens 1213 are 8, and are uniformly distributed.
The top of shaft 122 is equipped with the first fixture block 1221, which is equipped with the end face with the beam barrel 121
Saw-tooth-type structures any serrated slot 1212 coordinate first step 1223 and match with " W " the type card slot 1232 of the sleeve
The second step 1222 of conjunction.There are one wherein being set at first step 1223 and the cooperation of the serrated slot on 121 top of the beam barrel tiltedly
Inclined-plane cooperation of the face for the serrated slot on the beam barrel top;The cooperation of second step 1222 and " W " type card slot of the sleeve
Place is set there are two the inclined-plane intersected, for coordinating with the inclined-plane of " W " type card slot of the first fixed module outer casing inner wall.Shaft
The notch that 122 bottom end corresponds to ring-like screens 1213 is equipped with the second fixture block 1224, in the present solution, there are four annular screens 1213 sets
Equally distributed notch, therefore the second fixture block 1224 is also corresponding is equipped with 4.Set on second fixture block 1224 there are one inclined-plane with
The serrated face of the serrated slot of ring-like screens 1213 matches.
When display module is fixed on display babinet, beam barrel 121 coordinates with the sleeve 123, the first card of shaft 122
Second step 1222 on block 1221 is caught in " W " the type card slot 1232 of sleeve, at this point, beam barrel spring 126 withstands beam barrel 121
The end face of guide table 1211, shaft spring 125 withstand the end face of the shaft 122.
Please continue to refer to Fig. 8, which includes the first pedestal 10, the second pedestal 20, link block and conducts
Module 30, first pedestal and second pedestal are linked together by the bindiny mechanism;First pedestal 10 and
Second pedestal 20 is equipped with pedestal circuit board, and the tow sides of the pedestal circuit board are equipped with female needle stand, described to conduct mould
Block is equipped with turning circuit plate, and the turning circuit plate is equipped with two groups of public affairs needle stands, respectively with first pedestal and the second pedestal
The positive female needle stand of pedestal circuit board is connected.
In a feasible scheme, please refer to Fig. 1, Fig. 8, Fig. 9 and Figure 10, the first pedestal 10 is equipped with pedestal electricity
Road plate shell 13, interior to be equipped with pedestal circuit board 131, the tow sides of pedestal circuit board 131 are respectively equipped with 132 He of female needle stand
133;Pedestal circuit board housing 23 is equipped in second pedestal 20, interior to be equipped with pedestal circuit board 231, the pedestal circuit board is just
Anti- two sides is respectively equipped with female needle stand 232 and 233.
It conducts and is equipped with turning circuit plate 321 in module 30, turning circuit plate corresponds to the pedestal circuit board of the first pedestal 10
131 positive female needle stands 132 are equipped with male needle stand 322;231 positive mother's needle stand 232 of pedestal circuit board of corresponding second pedestal 20
Equipped with public needle stand 323;Wherein, the pedestal circuit board of female needle stand 133 of the pedestal circuit board reverse side of the first pedestal and the second pedestal
Female needle stand 233 of reverse side is used to coordinate with the male needle stand 74 in 71 back side trepanning of module shell of LED display, positive mother's needle
Seat 132 and 232 is used to coordinate with the public needle stand 322 of turning circuit plate and public needle stand 323.
Bindiny mechanism includes handle 41, lock 42 and the lock column 43 for being fixed on 20 end of the second pedestal:41 one end of handle
Equipped with circular drives wheel 411, which is fixed on the end of first pedestal 10 by circular drives wheel 411, and can
It is rotated around the center of circle of circular drives wheel 411;Circular drives wheel is equipped with the first eccentric orfice 412.
Wherein, one end of the lock 42 is fixed on by bolt axle 421 on the first eccentric orfice 412, and the other end is equipped with lock
Hole simultaneously can lock or be detached from the lock column 43 under the drive of the handle 41, when the handle 41 is towards the second pedestal 20
When rotation, by first eccentric orfice 412 drive it is described lock 42 lockhole end moved towards the lock column 43 and with institute
It states lock column 43 to lock, when reversely rotating the handle 41, drives the lock 42 to unclamp the lock column 43 and realize
Unlock.
Fig. 9 is please referred to when the lock column 43 being arranged on 42 locking second base shell 21 of the lock, described the
The center of circle of one eccentric orfice 412 rotates to the upper of the center of circle of the circular drives wheel 411 and the line L of lock 43 stress point of column
No matter side, therefore, in the locked condition, latch 42 pulling force by which direction, handle 41 can not all be opened, the link block
In self-locking state, will not loosen.
Described 30 one end 311 of module that conducts is mounted on by shaft on first pedestal 10, the shaft installation
The installation site of position and the circular drives wheel 411 is respectively positioned on the same end of first pedestal 10, and described conducts mould
The free end of 30 other end of block and the lock 42 is equipped with an inclined-plane, when the lock 42 locks the lock column 43, institute
State the inclined-plane conducted described in the inclined-plane compression of 42 free ends of lock in module 30.
The first sealing ring 12 is set between the display babinet of the first pedestal 10 of the first pedestal 10 and installation, in the second pedestal
The second sealing ring 22 is set between 20 and the display babinet of the second pedestal 20 of installation;Turning circuit plate is corresponded in the first pedestal 10
The opening setting third sealing ring 14 of public needle stand, the opening setting of the public needle stand of turning circuit plate is corresponded in the second pedestal 20
4th sealing ring 24.
In the present embodiment because attachment device be provided with bindiny mechanism, therefore, the attachment device in addition to realize babinet between with
And the electrical connection effect between display module, additionally it is possible to realize the fixation and installation between babinet.Therefore, in practical application, work as use
When attachment device is fixed with installation casing, it can retain or remove the electronic component in attachment device according to actual needs(Including
The circuit board of first pedestal and the second pedestal and conduct module).
In the present embodiment, it is fixedly mounted four display modules on a display babinet, in practical application, can also design
It, at this time only need to be according to reality at a display module, or the more than four display modules of installation are only installed on a display babinet
Demand, the appropriate position for adjusting cabinet shell and groove and trepanning on module shell and corresponding adjustment display module circuit
The public position of needle stand and the position of switching circuit board on plate.
Implement the embodiment of the present invention, has the advantages that:
It shows and is all provided with fluted on the cabinet shell of babinet and the module shell of display module, for placing electrical connecting element, show
Show and mechanical connection is realized by attachment device between babinet and conducts connection, passes through public needle stand and show case between display module
The female needle stand electrical connection being arranged on the pedestal circuit board for the female needle stand and attachment device on electrical connection module being arranged in body groove,
Synchronous to realize electrical connection conducting, the power supply and signal that first attachment device inputs pass through being electrically connected in first display module
It connects the integral control circuit plate that element is output to babinet, then second display module is output to by integral control circuit plate, then by
Electrical connecting element in second display module is exported to second attachment device, and so on, it will can enough realize multiple displays
The connection of power supply and signal between module, and there is no exposed connecting line between babinet and module, appearance looks elegant is easy to operate.
It is above disclosed to be only a preferred embodiment of the present invention, the power of the present invention cannot be limited with this certainly
Sharp range, therefore equivalent changes made in accordance with the claims of the present invention, are still within the scope of the present invention.
Claims (10)
1. a kind of LED display, which is characterized in that the LED display is spliced to form by display babinet, the display babinet packet
Cabinet shell is included, the front of the cabinet shell is equipped with display module, and the display module is fixed to described by mounting device
Cabinet shell passes through attachment device between the adjacent display babinet and realizes mechanical connection and electrical connection:
The display babinet further includes electrical connection module and the sealing groove in the groove at the cabinet shell back side
Power supply lid, the electrical connection module is equipped with female needle stand;
The display module includes module shell and mould-group circuit-board, and the mould-group circuit-board includes being set to the module shell just
The PCB circuit board in face is equipped at least two switching circuit boards, each built-up circuit between the PCB circuit board and module shell
It is equipped with public needle stand on plate, is connected by the electrical connecting element in the groove on the module shell between the public affairs needle stand
It is logical;
The attachment device includes the first pedestal, the second pedestal, link block and conducts module, first pedestal and second
Pedestal is equipped with pedestal circuit board, and the tow sides of the pedestal circuit board are equipped with female needle stand, and the module that conducts is equipped with
Turning circuit plate, the positive female needle stand for corresponding to first pedestal and second pedestal on the turning circuit plate respectively are set
There is public needle stand;
The first pedestal and the second pedestal of the attachment device are separately fixed on two adjacent display babinets, first base
Seat and the second pedestal are connected by the link block, in the display module a public affairs needle stand and the electrical connection module
Female needle stand cooperation, another male needle stand coordinate with the first pedestal of the attachment device or female needle stand at the back side of the second pedestal.
2. LED display as described in claim 1, which is characterized in that the attachment device includes link block, the connection
Module includes handle, latches and be fixed on the lock column of second base ends:
Described handle one end is equipped with circular drives wheel, and the circular drives wheel is equipped with the first eccentric orfice, the circular drives wheel
Mounted on the end of first pedestal, and can be rotated around the center of circle of the circular drives wheel;
One end of the lock is mounted on by bolt axle on first eccentric orfice, and the other end is locked under the drive of the handle
The tight or disengaging lock column.
3. LED display as described in claim 1, which is characterized in that the mounting device includes the first fixed module and the
Two fixed modules, first fixed module and the corresponding setting of second fixed module are in display babinet and display mould
In group:
First fixed module includes sleeve and shaft spring and beam barrel spring, and at least two boss are equipped in the sleeve,
Guide groove is equipped between the boss, the end face of the bottom of the boss forms " W " type card slot, between the boss and sleeve outer wall
Equipped with an annular groove, the beam barrel spring is set in the annular groove;
Second fixed module comprising beam barrel and shaft, the beam barrel be equipped with the matched guide table of sleeve guide groove,
The top end face of the beam barrel is saw-tooth-type structures, and serrated slot, the shaft bottom end are formed between the sawtooth of the saw-tooth-type structures
Sliding is set in the beam barrel, and the guide groove that top corresponds to the sleeve is equipped with the first fixture block, and first fixture block is equipped with
The first step that coordinates with any serrated slots of the saw-tooth-type structures of the beam barrel end face and with " W " type card slot of the sleeve
The second step of cooperation;
The beam barrel coordinates with the sleeve, and the beam barrel spring withstands the guide table end face, and the shaft spring is set to described
In sleeve, and withstand the top of the shaft.
4. a kind of display babinet, which is characterized in that the display babinet includes:Cabinet shell, power supply lid and electrical connection module:
The electrical connection module is equipped with female needle stand corresponding with the male needle stand of display module;
The back side of the cabinet shell is equipped with groove, and the bottom surface of the groove is equipped with corresponding with female needle stand of the electrical connection module
Trepanning, the power supply lid and the groove coordinate;
The electrical connection module is placed in the groove, and mother's needle stand is placed in the corresponding trepanning of the groove floor.
5. display babinet as claimed in claim 4, which is characterized in that the cabinet shell is frame structure, outside the babinet
Shell front is equipped with the recess platform of multiple the first fixed modules for secure mounting arrangements, and the display babinet is along the babinet
The center line of shell is equipped with cross reinforcing and vertical strengthening ribs, and the groove is set on the cross reinforcing, the transverse direction
The vacancy passed freely through for display module is formed between four side of reinforcing rib and vertical strengthening ribs and frame.
6. babinet as described in claim 4 or 5, which is characterized in that it is symmetrical that the side of the cabinet shell is equipped at least two
The recess platform for coordinating with the first pedestal of attachment device or the second pedestal being arranged.
7. babinet as claimed in claim 4, which is characterized in that be equipped with sealing ring between the power supply lid and the groove.
8. babinet as claimed in claim 4, which is characterized in that the electrical connection module includes:Power supply and with the power supply
The integral control circuit plate and connecting line of connection, mother's needle stand are set on the integral control circuit plate.
9. a kind of display module of LED display, which is characterized in that the display module includes module shell and modular circuit
Plate:
The mould-group circuit-board includes being set to the positive PCB circuit board of the module shell, the PCB circuit board and module shell
Between be equipped at least two switching circuit boards, be equipped with public needle stand, the public needle of two switching circuit boards on each switching circuit board
It is connected by power cord, signal wire or circuit board between seat;
The public needle stand that the module shell back side corresponds to the switching circuit board is equipped with trepanning, and groove is equipped between the trepanning,
The public affairs needle stand is placed in corresponding trepanning, and the power cord, signal wire or circuit board are placed in the groove.
10. the display module of LED display as claimed in claim 9, which is characterized in that the display module shell rear surface is extremely
Second fixed module of one mounting device is set less, and module shell back center position is equipped with a handle and trepanning
Boss, the handle are installed to by installation axle or screw on the boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710231954.7A CN108694892B (en) | 2017-04-11 | 2017-04-11 | LED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710231954.7A CN108694892B (en) | 2017-04-11 | 2017-04-11 | LED display screen |
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| Publication Number | Publication Date |
|---|---|
| CN108694892A true CN108694892A (en) | 2018-10-23 |
| CN108694892B CN108694892B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710231954.7A Active CN108694892B (en) | 2017-04-11 | 2017-04-11 | LED display screen |
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| Country | Link |
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| CN (1) | CN108694892B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531324A (en) * | 2021-07-14 | 2021-10-22 | 深圳市战音科技有限公司 | Combined display screen system |
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Also Published As
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