CN105489127B - The LED display and its power supply signal switching method of a kind of power supply signal free switching - Google Patents
The LED display and its power supply signal switching method of a kind of power supply signal free switching Download PDFInfo
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- CN105489127B CN105489127B CN201610078097.7A CN201610078097A CN105489127B CN 105489127 B CN105489127 B CN 105489127B CN 201610078097 A CN201610078097 A CN 201610078097A CN 105489127 B CN105489127 B CN 105489127B
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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
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Abstract
The present invention relates to a kind of LED display of power supply signal free switching and its power supply signal switching method, its structure includes connecting fastening system between casing, internal wiring switching system and screen body, wherein, the internal wiring switching system is switching the transmission direction of signal, electric current in the LED display, fastening system is connected between the screen body fastening system is connected to determine the annexation between the LED display of arbitrary neighborhood, while between the screen body also carrying out the signal between the LED display of arbitrary neighborhood, electric current transmission.
Description
Technical field
The present invention relates to a kind of LED display and its power supply signal switching method, particularly relate in one kind is internally provided with
The LED display and its power supply signal switching method of fastening system are connected between portion's circuit switching system and screen body, wherein, this is interior
Portion's circuit switching system connects fastening system to switch the transmission direction of signal, electric current in the LED display, between the screen body and used
Fastening system is connected to determine the annexation between the LED display of arbitrary neighborhood, while between the screen body also carrying out
Signal, electric current transmission between the LED display of arbitrary neighborhood.
Background technology
It is well known that LED display is also known as electronic display, it is made up of LED dot matrix module and casing, and it is logical
The light on and off of the LED of a variety of colors are crossed to show the contents such as word, picture, animation, video, LED display can be according to difference
Occasion needs to make different regulations, for example the calligraphy and painting of the mobility of in general billboard is exactly to make one by flash
Animation, save what is shown again by technical skill in the RAM card of display screen, and its display content can be according to not
Same needs to change at any time.LED display has that luminosity is strong when concrete application, automatic control and adjustment degree height with
And the characteristics of energy-conserving and environment-protective, so present LED display has been widely used out of doors and indoor photoelectric display
Field.
LED display is typically necessary specifically used when and several LED displays is stitched together each other, shape
Into a large LED display screen with have the function that can infinite expanding screen size so that show large scale graph text information, this
Kind occupation mode is especially widely useful in the field of outdoor advertisement screen.
As described above, traditional LED display is in order to realize the function of energization display image, in its screen body it is inevitable all
Signal path and current path are provided with, signal path and current path are all correspondingly arranged on fixed signal on screen body
And current interface,
As shown in figure 1, traditional LED display is had to by outer during large LED display screen is spliced to form
Portion signal line A and outer current lines B links together the LED display C of arbitrary neighborhood to complete to show large LED
Signal path overall display screen D and the structure of current path, but this connection mode connects when specific installation
It can be completed when connecing that step is very loaded down with trivial details, and need the installation personnel of specialty to expend very long, while connection error rate
It is very high, in addition, this connection mode needs to install people in the reserved very big space in the back side of large LED display screen to facilitate in advance
Member passes in and out and carries out the action of wiring, so traditional large LED display screen all can not be completely with back support thing closely by patch
（Such as：Metope）, and then extra floor space is needed, while the mounting stability of whole screen body can not reach optimal,
And this is the major defect for conventional art.
The content of the invention
The technical solution adopted in the present invention is：A kind of LED display of power supply signal free switching, including it is casing, interior
Fastening system is connected between portion's circuit switching system and screen body, wherein, the internal wiring switching system is arranged in the casing, should
Connection fastening system is arranged on the lateral surface of the casing between screen body.
Fastening system is connected between the screen body includes some connection locking bodies, and some connection locking bodies are separately positioned on the case
On the lateral surface of body, internal wiring is connected between the internal wiring switching system and each connection locking body, this is interior
Portion's circuit is arranged in the casing.
The internal wiring switching system is to switch the transmission direction of signal, electric current in the LED display, the internal wiring
Switching system includes some groups of distribution channels, and the both ends of each group of distribution channel are all correspondingly arranged at different connection locking
In body, meanwhile, the both ends of each group of distribution channel are all uniquely corresponding to be arranged in the corresponding connection locking body, when the stream
When the both ends on road are separately positioned in two connection locking bodies all, the connection locking body of the distribution channel one end is
Input, and the other end of connection locking body of the distribution channel is output end, the internal wiring switching system passes through switching
The conducting state of some groups of distribution channels, signal, the transmission direction of electric current in LED display are controlled, is cut in the internal wiring
Change in system while only one group of distribution channel is in the conduction state.
Fastening system is connected between the screen body to determine the annexation between the LED display of arbitrary neighborhood, simultaneously
Between the screen body connect fastening system also to carry out the signal between the LED display of arbitrary neighborhood, electric current transmission, the screen body
Between connect some connection locking bodies of fastening system and be divided into plug body and socket, this on the LED display is inserted
Head body is connected in the socket on other LED displays with the LED display arbitrary neighborhood, each plug body
All including locking unit and plug unit, the locking unit and the plug unit are integrated into one part of the plug body,
When some LED displays are spliced to form large LED display screen each other, the locking unit is determining arbitrary neighborhood
The LED display between annexation, the plug unit is carrying out the letter between the LED display of arbitrary neighborhood
Number, electric current transmission.
Some groups of the internal wiring switching system distribution channels include three kinds of conducting states, respectively turn on up and down,
Left and right turns on and right angle conducting, and right angle conducting is divided into upper right conducting, bottom right conducting, bottom left conducting and upper left conducting, should
Connection fastening system includes four connection locking bodies between screen body, four connection locking bodies be separately positioned on the casing it is upper,
Under, on left and right lateral surface.
The internal wiring switching system includes internal electric source switch unit and internal signal switch unit, wherein, this is interior
Portion's power supply switch unit is to switch the transmission direction of electric current in the LED display, and the internal signal switch unit is switching
The transmission direction of signal in the LED display.
The internal electric source switch unit includes power switcher and some groups of current paths, and the power switcher is by cutting
The conducting state of some groups of current paths is changed, controls the transmission direction of electric current in the LED display, is switched in the internal electric source
Only one group of current path is in the conduction state simultaneously in unit.
The internal signal switch unit includes signal shifter and some groups of signal paths, and the signal shifter is by cutting
The conducting state of some groups of signal paths is changed, controls the transmission direction of signal in the LED display, is switched in the internal signal
Only one group of signal path is in the conduction state simultaneously in unit.
The current path and the signal path are arranged in the distribution channel simultaneously.
The power switcher and the signal shifter all include rotary squeezing lid, it is some push shell fragment, conducting pcb board with
And base, wherein, the conducting pcb board is set on the base, is provided with some conducting pieces in the conducting pcb board, some under this
Pressure shell fragment is arranged on above the conducting pcb board, also, each this push shell fragment be correspondingly arranged at two conducting pieces it
Between.
The rotary squeezing lid swivelling cover is located at some this and pushed above shell fragment, and it is corresponding to push shell fragment with some this, at this
Be provided with briquetting on the bottom surface of rotary squeezing lid, when the rotary squeezing lid rotates, the briquetting go to one this push bullet
Above piece, and by the briquetting pressing action for pushing shell fragment is made this push shell fragment move down and turn on be connected to two this lead
Between logical piece, so that two conducting pieces are in the conduction state, in a manner mentioned above, by rotating the rotary squeezing lid energy
Enough switch the conducting state between some conducting pieces.
Each conducting piece has external connection end, and the external connection end of the power switcher is connected with the current path,
The signal shifter external connection end is connected with the signal path, utilizes the power switcher to switch some groups of electricity so as to reach
The conducting state of logical circulation road, the transmission direction of electric current in the LED display is controlled, and it is some using signal shifter switching
The conducting state of the group signal path, controls the effect of the transmission direction of signal in the LED display.
One motor unit is connected with the locking unit and the plug unit simultaneously, and the motor unit drives the locking list
Member completes the connection locking action between the LED display of arbitrary neighborhood, while the motor unit can also drive the plug
Signal, the electric current that unit is completed between the LED display of arbitrary neighborhood are plugged into action, and the motor unit drives the locking unit
And the plug unit completes the locking action and the action of plugging into simultaneously.
The motor unit includes stationary rack, action gear and push handle, wherein, the stationary rack is fixedly connected on the case
In body, the action gear is fixedly connected on the end of the push handle, and the action gear is meshed with the stationary rack, the locking unit
And the plug unit is connected in the push handle simultaneously.
When the push handle stress acts, the push handle drives the action gear to be rotated on the stationary rack, due to this
Stationary rack is stationarily connected in the casing, and the locking unit and the plug unit are connected in the push handle,
So this moment, the locking unit and the plug unit produce a displacement relative to the casing, and the locking is completed using the displacement
Action and the action of plugging into.
The locking unit is a buckle, and the end of the buckle is articulated in the action gear, corresponding with the buckle, and this is inserted
Buckling parts is provided with pedestal, after completing the locking action, the buckle is fastened in the buckling parts.
The plug unit is a rigid male adapter, and after completing the action of plugging into, the rigid male adapter is plugged in
In the socket, when the rigid male adapter completes this and plugged into act and after be plugged in the socket, by the rigidity
The relation that is rigidly connected between male adapter and the socket, make the rigid male adapter can together with the socket
Play a part of stablizing position relationship between the adjacent LED display.
A kind of power supply signal switching method of LED display, internal wiring switching system is arranged in casing, will shield body
Between connection fastening system be arranged on the lateral surface of the casing, between the screen body connect fastening system include some connection locking bodies,
Some connection locking bodies are separately positioned on the lateral surface of the casing, and in the internal wiring switching system, this is connected with each
All connection sets internal wiring between locking body, and the internal wiring is arranged in the casing.
The internal wiring switching system is to switch the transmission direction of signal, electric current in the LED display, the internal wiring
Switching system includes some groups of distribution channels, and the both ends of each group of distribution channel are all correspondingly arranged at different connection locking
In body, meanwhile, the both ends of each group of distribution channel are all uniquely corresponding to be arranged in the corresponding connection locking body, when the stream
When the both ends on road are separately positioned in two connection locking bodies all, the connection locking body of the distribution channel one end is
Input, and the other end of connection locking body of the distribution channel is output end, user is by controlling the internal wiring to cut
The conducting state that system switches some groups of distribution channels is changed, controls the transmission direction of signal, electric current in the LED display,
Only one group of distribution channel is in the conduction state simultaneously in the internal wiring switching system.
Fastening system is connected between the screen body to determine the annexation between the LED display of arbitrary neighborhood, simultaneously
Between the screen body connect fastening system also to carry out the signal between the LED display of arbitrary neighborhood, electric current transmission, the screen body
Between connect fastening system some connection locking bodies be divided into plug body and socket, determine that the LED of arbitrary neighborhood is shown
Between screen during annexation, the plug body on the LED display be connected to the LED display arbitrary neighborhood other
In the socket on the LED display, each plug body includes locking unit and plug unit, the locking unit
And the plug unit is integrated into one part of the plug body, large LED is spliced to form each other in some LED displays
When display screen, the locking unit is determining the annexation between the LED display of arbitrary neighborhood, the plug unit
To carry out the signal between the LED display of arbitrary neighborhood, electric current transmission.
The internal wiring switching system includes internal electric source switch unit and internal signal switch unit, wherein, this is interior
Portion's power supply switch unit is to switch the transmission direction of electric current in the LED display, and the internal signal switch unit is switching
The transmission direction of signal in the LED display.
The internal electric source switch unit includes power switcher and some groups of current paths, and the power switcher is by cutting
The conducting state of some groups of current paths is changed, controls the transmission direction of electric current in the LED display, is switched in the internal electric source
Only one group of current path is in the conduction state simultaneously in unit.
The internal signal switch unit includes signal shifter and some groups of signal paths, and the signal shifter is by cutting
The conducting state of some groups of signal paths is changed, controls the transmission direction of signal in the LED display, is switched in the internal signal
Only one group of signal path is in the conduction state simultaneously in unit.
The current path and the signal path are arranged in the distribution channel simultaneously.
One motor unit is connected with the locking unit and the plug unit simultaneously, and the motor unit drives the locking list
Member completes the connection locking action between the LED display of arbitrary neighborhood, while the motor unit can also drive the plug
Signal, the electric current that unit is completed between the LED display of arbitrary neighborhood are plugged into action, and the motor unit drives the locking unit
And the plug unit completes the locking action and the action of plugging into simultaneously.
Beneficial effects of the present invention are：The LED display of the present invention is shown being spliced to form a large LED each other
When screen, workmen can carry out arbitrary splicing action to some LED displays in any order, work as completion
Only need to switch over just the conducting state of some groups of distribution channels by operating the internal wiring switching system after splicing
Overall conducting circuit, turn-on sequence and the conduction mode of the large LED display screen can be built, its is simple to operate, Neng Gouji
Big reduction difficulty of construction, in addition, can be saved between screen body by the design of the of the invention internal wiring switching system
All external circuits, make splicing simple, while eliminate that wiring is complicated and hard work, meanwhile, utilize the technology of the present invention
Scheme can have the function that need not to be that working space is reserved in wiring, can be substantially reduced installation floor space.
Brief description of the drawings
Fig. 1 is the connection diagram of conventional art LED display.
Fig. 2 is the structural representation of the present invention.
Fig. 3 is the schematic diagram that some LED displays of the present invention are spliced into a large LED display screen.
Fig. 4 is present invention connection locking body, internal wiring, the connection diagram of internal wiring switching system.
Fig. 5 is the functional schematic of internal wiring switching system of the present invention.
Fig. 6 is the rotation schematic diagram of internal wiring switching system of the present invention.
Fig. 7 is the perspective exploded view of power switcher of the present invention and signal shifter.
Fig. 8 is the conspectus of power switcher of the present invention and signal shifter.
Fig. 9 is the principle schematic of connection fastening system between present invention screen body.
Figure 10 is the dimensional structure diagram of connection fastening system between present invention screen body.
Figure 11 is the top view of connection fastening system between present invention screen body.
Figure 12 is that power connector of the present invention and signal connector are respectively and independently arranged at showing in two plug units
It is intended to.
Figure 13 is the schematic diagram that power connector of the present invention and signal connector are integrally disposed in a plug unit.
Embodiment
As shown in Fig. 1 to 13, a kind of LED display of power supply signal free switching, it includes casing 100, internal wiring
Fastening system 300 is connected between switching system 200 and screen body, wherein, the internal wiring switching system 200 is arranged on the casing
Fastening system 300 is connected in 100, between the screen body to be arranged on the lateral surface of the casing 100.
Fastening system 300 is connected between the screen body includes some connection locking bodies 310, and some connection locking bodies 310 are distinguished
It is arranged on the lateral surface of the casing 100, when specific implementation, fastening system 300 is connected between the screen body can include four
The individual connection locking body 310, four connection locking bodies 310 are separately positioned on the upper and lower, left and right lateral surface of the casing 100
On.
As shown in figure 4, in being connected between the internal wiring switching system 200 and each connection locking body 310
Portion's circuit 110, the internal wiring 110 are arranged in the casing 100.
The internal wiring switching system 200 is switching the transmission direction of signal, electric current in the LED display.
The internal wiring switching system 200 includes some groups of distribution channels 210, the both ends of each group of distribution channel 210
All it is correspondingly arranged in the different connection locking bodies 310, meanwhile, the both ends of each group of distribution channel 210 all uniquely correspond to
Be arranged in the corresponding connection locking body 310.
When the both ends of the distribution channel 210 are separately positioned in two connection locking bodies 310, the distribution channel
The connection locking body 310 of 210 one end is input, and the other end of connection locking body 310 of the distribution channel 210 is defeated
Go out end.
The internal wiring switching system 200 is shown by switching the conducting states of some groups of distribution channels 210, control LED
The transmission direction of signal, electric current in display screen.
The only one group distribution channel 210 is in the conduction state simultaneously in the internal wiring switching system 200.
As described above, the present invention the LED display when large LED display screen is spliced to form each other,
Workmen can carry out arbitrary splicing action to some LED displays in any order, after completing to splice only
Needing can by operating that the internal wiring switching system 200 switches over to the conducting state of some groups of distribution channels 210
To build overall conducting circuit, turn-on sequence and the conduction mode of the large LED display screen, its is simple to operate, can be very big
Reduction difficulty of construction.
It is in addition, all outer between screen body can be saved by the design of the internal wiring switching system 200 of the invention
Link, make splicing simple, while eliminate that wiring is complicated and hard work, meanwhile, can using technical scheme
To have the function that need not to be that working space is reserved in wiring, installation floor space can be substantially reduced.
As shown in Figure 2,3, fastening system 300 is connected between the screen body to determine between the LED display of arbitrary neighborhood
Annexation, while fastening system 300 is connected between the screen body also carrying out the letter between the LED display of arbitrary neighborhood
Number, electric current transmission.
Some connection locking bodies 310 for connecting fastening system 300 between the screen body divide for plug body and socket.
The plug body on one LED display is connected to be shown with other LED of the LED display arbitrary neighborhood
In the socket on screen.
Each plug body includes locking unit 320 and plug unit 330.
That is, the locking unit 320 and the plug unit 330 are integrated into one part of the plug body.
When some LED displays are spliced to form large LED display screen each other, the locking unit 320 is used
To determine the annexation between the LED display of arbitrary neighborhood, the plug unit 330 to carry out arbitrary neighborhood should
Signal, electric current transmission between LED display.
Such as dotted line meaning square frame in Fig. 5, when specific implementation, some groups of the internal wiring switching system 200 should
Distribution channel 210 includes three kinds of conducting states, is respectively conducting E, left and right conducting F and right angle conducting up and down.
Right angle conducting is divided into upper right conducting J, bottom right conducting H, bottom left conducting I and upper left conducting G, this moment, the screen body
Between connection fastening system 300 include four connection locking bodies 310, four connection locking bodies 310 are separately positioned on the casing
On 100 upper and lower, left and right lateral surface.
As shown in figure 4, when specific implementation, the internal wiring switching system 200 includes internal electric source switch unit
220 and internal signal switch unit 230, wherein, the internal electric source switch unit 220 is electric in the LED display to switch
The transmission direction of stream, the internal signal switch unit 230 is switching the transmission direction of signal in the LED display.
The internal electric source switch unit 220 includes power switcher and some groups of current paths, the power switcher lead to
The conducting state for switching some groups of current paths is crossed, controls the transmission direction of electric current in the LED display, in the internal electric source
Only one group of current path is in the conduction state simultaneously in switch unit 220.
The internal signal switch unit 230 includes signal shifter and some groups of signal paths, the signal shifter lead to
The conducting state for switching some groups of signal paths is crossed, controls the transmission direction of signal in the LED display, in the internal signal
Only one group of signal path is in the conduction state simultaneously in switch unit 230.
The current path and the signal path are arranged in the distribution channel 210 simultaneously.
When specific implementation, the internal electric source switch unit 220 can be cut the present invention including the internal electric source simultaneously
Unit 220 and the internal signal switch unit 230 are changed, the internal electric source switch unit 220 can also only include inside electricity
One in source switch unit 220 and the internal signal switch unit 230.
When specific implementation, there are numerous embodiments to realize the power switcher and the signal shifter
Switching action, the present invention specifically record a kind of preferable embodiment.
As shown in Fig. 5 to 8, the power switcher and the signal shifter have identical in preferable embodiment
Structure.
The power switcher and the signal shifter all include rotary squeezing lid 410, some push shell fragment 420, conducting
Pcb board 430 and base 440.
Wherein, the conducting pcb board 430 is arranged on the base 440, and some conducting pieces are provided with the conducting pcb board 430
431, some this pushes shell fragment 420 and is arranged on the top of the conducting pcb board 430, also, each this to push shell fragment 420 corresponding
It is arranged between two conducting pieces 431.
The swivelling cover of rotary squeezing lid 410 is located at some this and pushes the top of shell fragment 420, and the phase of shell fragment 420 is pushed with some this
It is corresponding, briquetting 411 is provided with the bottom surface of the rotary squeezing lid 410.
When the rotary squeezing lid 410 rotates, the briquetting 411 go to one this push the top of shell fragment 420, and by
The briquetting 411 makes this push shell fragment 420 and move down and turn on to be connected to two conducting pieces to the pressing action for pushing shell fragment 420
Between 431, so that two conducting pieces 431 are in the conduction state.
In a manner mentioned above, leading between some conducting pieces 431 is allowed hand over by rotating the rotary squeezing lid 410
Logical state.
Each conducting piece 431 has external connection end 432.
The external connection end 432 of the power switcher 221 is connected with the current path 222, and this is outer for the signal shifter 231
Connect end 432 with the signal path 232 to be connected, switch some groups of current paths using the power switcher 221 so as to reach
222 conducting state, the transmission direction of electric current in the LED display is controlled, and switched using the signal shifter 231 some
The conducting state of the group signal path 232, control the purpose of the transmission direction of signal in the LED display.
As shown in figure 8, when some groups of the internal wiring switching system 200 distribution channels 210 include this three kinds conductings
State, when connection fastening system 300 includes four connection locking bodies 310 between the screen body.
The power switcher 221 and the signal shifter 231 include six this push shell fragment 420 to define the stream
The conduction mode of the upper and lower conducting, left and right conducting and right angle conducting on road 210 all.
As shown in Figs. 9 to 11, when specific implementation, a motor unit 340 simultaneously with the locking unit 320 and should
Plug unit 330 is connected.
The motor unit 340 drives the locking unit 320 to complete the connection locking between the LED display of arbitrary neighborhood
Action.
Simultaneously the motor unit 340 can also drive the plug unit 330 complete arbitrary neighborhood the LED display between
Signal, electric current plugs into action.
The motor unit 340 drive the locking unit 320 and the plug unit 330 complete simultaneously the locking action and
The action of plugging into.That is, the motor unit 340 of the present invention can just complete the locking action simultaneously using one-off
And the action of plugging into, it makes integral construction installment work become very simple and efficient.
There can be the use function that various ways complete the motor unit 340 when specific implementation, the present invention is specifically
Record a kind of preferable embodiment.
The motor unit 340 includes stationary rack 341, action gear 342 and push handle 343.
Wherein, the stationary rack 341 is fixedly connected in the casing 100, and the action gear 342 is fixedly connected on the push handle
343 end, the action gear 342 are meshed with the stationary rack 341.
The locking unit 320 and the plug unit 330 are connected in the push handle 343 simultaneously.
When the stress of push handle 343 acts, the push handle 343 drives the action gear 342 on the stationary rack 341
Rotate.
Because the stationary rack 341 is stationarily connected in the casing 100, and the locking unit 320 and the plug
Unit 330 is connected in the push handle 343, so this moment, the locking unit 320 and the plug unit 330 are relative to this
Casing 100 produces a displacement, and the locking action and the action of plugging into are completed using the displacement.
When specific implementation, the locking unit 320 is a buckle, and the end of the buckle is articulated in the action gear
It is corresponding with the buckle in 342, buckling parts is provided with the socket, after completing the locking action, the buckle is fastened on the button
In conjunction portion.
When specific implementation, the plug unit 330 is a rigid male adapter, should after completing the action of plugging into
Rigid male adapter is plugged in the socket.
When the rigid male adapter completes this and plugged into act and after be plugged in the socket, rigidly inserted by this
The relation that is rigidly connected between formula plug and the socket, the rigid male adapter is set to be played together with the socket
Stablize the effect of position relationship between the adjacent LED display.
As shown in Figure 12,13, when specific implementation, power connector can be set in the plug unit 330 simultaneously
And signal connector, one kind in power connector or signal connector can also be only set in the plug unit 330, separately
Outside, power connector and signal connector can independently set and both can also become one.
As shown in Fig. 1 to 13, a kind of power supply signal switching method of LED display, internal wiring switching system 200 is set
Put in casing 100, connection fastening system 300 between screen body is arranged on the lateral surface of the casing 100, lock is connected between the screen body
Clamping system 300 includes some connection locking bodies 310, and some connection locking bodies 310 are separately positioned on the lateral surface of the casing 100
On, the connection setting internal wiring 110 between the internal wiring switching system 200 and each connection locking body 310 should
Internal wiring 110 is arranged in the casing 100.
The internal wiring switching system 200 is to switch the transmission direction of signal, electric current in the LED display, inside this
Circuit switching system 200 includes some groups of distribution channels 210, and the both ends of each group of distribution channel 210 are all correspondingly arranged at not
In the same connection locking body 310, meanwhile, the both ends of each group of distribution channel 210 are all uniquely corresponding to be arranged on accordingly
In the connection locking body 310, when the both ends of the distribution channel 210 are separately positioned in two connection locking bodies 310,
The connection locking body 310 of the one end of distribution channel 210 is input, and the other end of connection lock of the distribution channel 210
Tight body 310 is output end, and user is by controlling the internal wiring switching system 200 to switch some groups of distribution channels 210
Conducting state, the transmission direction of signal, electric current in the LED display is controlled, in the internal wiring switching system 200 only simultaneously
There is one group of distribution channel 210 in the conduction state.
Fastening system 300 is connected between the screen body to determine the annexation between the LED display of arbitrary neighborhood, together
When the screen body between connect fastening system 300 also to carry out the signal between the LED display of arbitrary neighborhood, electric current transmission,
Some connection locking bodies 310 that fastening system 300 is connected between the screen body divide for plug body and socket, determine arbitrary neighborhood
The LED display between annexation when, the plug body on the LED display is connected to and the LED display is appointed
In the socket on other LED displays for anticipating adjacent.
Each plug body includes locking unit 320 and plug unit 330, the locking unit 320 and this insert
Head unit 330 is integrated into one part of the plug body, and being spliced to form large LED each other in some LED displays shows
When screen, the locking unit 320 is determining the annexation between the LED display of arbitrary neighborhood, the plug unit
330 to carry out the signal between the LED display of arbitrary neighborhood, electric current transmits.
When specific implementation, some groups of the internal wiring switching system 200 distribution channels 210 are led including three kinds
Logical state, is respectively conducting up and down, left and right conducting and right angle conducting, right angle conducting be divided into upper right conducting, bottom right conducting, under
Left conducting and upper left turn on, and connection fastening system 300 includes four connection locking bodies 310, four connections between the screen body
Locking body 310 is separately positioned on the upper and lower, left and right lateral surface of the casing 100.
When specific implementation, the internal wiring switching system 200 includes internal electric source switch unit 220 and inside
Signal switch unit 230, wherein, the internal electric source switch unit 220 is switching the transmission side of electric current in the LED display
To for the internal signal switch unit 230 to switch the transmission direction of signal in the LED display, internal electric source switching is single
Member 220 includes power switcher 221 and some groups of current paths 222, and the power switcher 221 is by switching some groups of electricity
The conducting state of logical circulation road 222, the transmission direction of electric current in the LED display is controlled, in the internal electric source switch unit 220
The only one group current path 222 is in the conduction state simultaneously.
The internal signal switch unit 230 includes signal shifter 231 and some groups of signal paths 232, the signal are cut
Parallel operation 231 controls the transmission direction of signal in the LED display by switching the conducting states of some groups of signal paths 232,
The only one group signal path 232 is in the conduction state simultaneously in the internal signal switch unit 230.
The current path 222 and the signal path 232 are arranged in the distribution channel 210 simultaneously, and the present invention is specific
When implementation, the internal electric source switch unit 220 can include the internal electric source switch unit 220 simultaneously and the inside is believed
Number switch unit 230, the internal electric source switch unit 220 can also only include the internal electric source switch unit 220 and this is interior
One in portion's signal switch unit 230.
When specific implementation, there are numerous embodiments to realize the power switcher 221 and signal switching
The switching action of device 231, the present invention specifically record a kind of preferable embodiment.
The power switcher 221 and the signal shifter 231 have identical structure in preferable embodiment, should
Power switcher 221 and the signal shifter 231 all include rotary squeezing lid 410, some push shell fragment 420, conducting pcb board
430 and base 440, wherein, the conducting pcb board 430 is arranged on the base 440, if being provided with the conducting pcb board 430
Dry conducting piece 431, some this pushes shell fragment 420 and is arranged on the top of conducting pcb board 430, also, each pushes shell fragment
420 are all correspondingly arranged between two conducting pieces 431, and the swivelling cover of rotary squeezing lid 410 is located at some this and pushes shell fragment 420
Top, pushes that shell fragment 420 is corresponding with some this, briquetting 411 is provided with the bottom surface of the rotary squeezing lid 410, when the rotation
When turning extruding lid 410 and rotate, the briquetting 411 go to one this push the top of shell fragment 420, and by the briquetting 411 to this
Push the pressing action of shell fragment 420 and this is pushed shell fragment 420 and is moved down and turn on and be connected between two conducting pieces 431, so as to
Make two conducting pieces 431 in the conduction state, in a manner mentioned above, allowed hand over by rotating the rotary squeezing lid 410
Conducting state between some conducting pieces 431, each conducting piece 431 have external connection end 432.
The external connection end 432 of the power switcher 221 is connected with the current path 222, and this is outer for the signal shifter 231
Connect end 432 with the signal path 232 to be connected, switch some groups of current paths using the power switcher 221 so as to reach
222 conducting state, the transmission direction of electric current in the LED display is controlled, and switched using the signal shifter 231 some
The conducting state of the group signal path 232, control the purpose of the transmission direction of signal in the LED display.
When some groups of the internal wiring switching system 200 distribution channels 210 include three kinds of conducting states, the screen body
Between connection fastening system 300 when including four connection locking bodies 310, the power switcher 221 and the signal shifter 231
Include six this push shell fragment 420 with define the distribution channel 210 this it is upper and lower conducting, the left and right turn on and the right angle
The conduction mode of conducting.
When specific implementation, a motor unit 340 simultaneously with the locking unit 320 and the phase of plug unit 330
Connection, it is dynamic that the motor unit 340 drives the locking unit 320 to complete the connection locking between the LED display of arbitrary neighborhood
Make, while the motor unit 340 can also drive the plug unit 330 to complete the letter between the LED display of arbitrary neighborhood
Number, electric current plug into action, the motor unit 340 drives the locking unit 320 and the plug unit 330 to complete the locking simultaneously
Action and the action of plugging into, that is to say, that the motor unit 340 of the invention can just complete this simultaneously using one-off
Locking action and the action of plugging into, it makes integral construction installment work become very simple and efficient.
There can be the use function that various ways complete the motor unit 340 when specific implementation, the present invention is specifically
Record a kind of preferable embodiment.
The motor unit 340 includes stationary rack 341, action gear 342 and push handle 343, wherein, the stationary rack
341 are fixedly connected in the casing 100, and the action gear 342 is fixedly connected on the end of the push handle 343, the action gear 342
It is meshed with the stationary rack 341, the locking unit 320 and the plug unit 330 are connected in the push handle 343 simultaneously, when
When the stress of push handle 343 acts, the push handle 343 drives the action gear 342 to be rotated on the stationary rack 341, due to
The stationary rack 341 is stationarily connected in the casing 100, and the locking unit 320 and the plug unit 330 are connections
In the push handle 343, so this moment, the locking unit 320 and the plug unit 330 produce one relative to the casing 100
Displacement, the locking action and the action of plugging into are completed using the displacement.
When specific implementation, the locking unit 320 is a buckle, and the end of the buckle is articulated in the action gear
It is corresponding with the buckle in 342, buckling parts is provided with the socket, after completing the locking action, the buckle is fastened on the button
In conjunction portion.
When specific implementation, the plug unit 330 is a rigid male adapter, should after completing the action of plugging into
Rigid male adapter is plugged in the socket.When the rigid male adapter complete this plug into act and be plugged in this insert
After in pedestal, by the relation that is rigidly connected between the rigid male adapter and the socket, make the rigid male adapter
It can play a part of stablizing position relationship between the adjacent LED display together with the socket.
When specific implementation, power connector and signal connector can be set in the plug unit 330 simultaneously,
One kind in power connector or signal connector can also be only set in the plug unit 330, in addition, power connector with
And signal connector can independently set and both can also become one.
Although the present invention is disclosed with preferred embodiment, so it is not intended to limiting the invention, any to be familiar with this skill
Personage, without departing from the spirit and scope of the invention, when various changes and modification, therefore the protection domain of the present invention can be made
It is defined when depending on Claims scope institute defender.
Claims (10)
- A kind of 1. LED display of power supply signal free switching, it is characterised in that：Including casing, internal wiring switching system with And fastening system is connected between screen body, wherein, the internal wiring switching system is arranged in the casing, connection locking system between the screen body System is arranged on the lateral surface of the casing,Fastening system is connected between the screen body includes some connection locking bodies, and some connection locking bodies are separately positioned on the casing On lateral surface, internal wiring is connected between the internal wiring switching system and each connection locking body, the inner wire Road is arranged in the casing,The internal wiring switching system is to switch the transmission direction of signal, electric current in the LED display, internal wiring switching System includes some groups of distribution channels, and the both ends of each group of distribution channel are all correspondingly arranged at the different connection locking bodies In, meanwhile, the both ends of each group of distribution channel are all uniquely corresponding to be arranged in the corresponding connection locking body, when the circulation When the both ends of path are separately positioned in two connection locking bodies, the connection locking body of the distribution channel one end is defeated Enter end, and the other end of connection locking body of the distribution channel is output end, if the internal wiring switching system passes through switching The conducting state of the dry group distribution channel, controls signal, the transmission direction of electric current in LED display, switches in the internal wiring Only one group of distribution channel is in the conduction state simultaneously in system,Fastening system is connected between the screen body to determine the annexation between the LED display of arbitrary neighborhood, while the screen Fastening system is connected between body also to carry out the signal between the LED display of arbitrary neighborhood, electric current transmission, is connected between the screen body Some connection locking bodies for connecing fastening system are divided into plug body and socket, the plug body on the LED display It is connected in the socket on other LED displays with the LED display arbitrary neighborhood, each plug body is wrapped Locking unit and plug unit are included, the locking unit and the plug unit are integrated into one part of the plug body, some When the LED display is spliced to form large LED display screen each other, the locking unit to determine arbitrary neighborhood should Annexation between LED display, the plug unit is carrying out signal, the electricity between the LED display of arbitrary neighborhood Streaming.
- A kind of 2. LED display of power supply signal free switching as claimed in claim 1, it is characterised in that：The internal wiring Some groups of the switching system distribution channels include three kinds of conducting states, are respectively that conducting up and down, left and right conducting and right angle are led Logical, right angle conducting is divided into upper right conducting, bottom right conducting, bottom left conducting and upper left conducting, and fastening system is connected between the screen body Including four connection locking bodies, four connection locking bodies are separately positioned on the upper and lower, left and right lateral surface of the casing.
- A kind of 3. LED display of power supply signal free switching as claimed in claim 1, it is characterised in that：The internal wiring Switching system includes internal electric source switch unit and internal signal switch unit, wherein, the internal electric source switch unit to Switch the transmission direction of electric current in the LED display, the internal signal switch unit is switching signal in the LED display Transmission direction,The internal electric source switch unit includes power switcher and some groups of current paths, if the power switcher passes through switching The conducting state of the dry group current path, the transmission direction of electric current in the LED display is controlled, in the internal electric source switch unit In simultaneously only one group of current path it is in the conduction state,The internal signal switch unit includes signal shifter and some groups of signal paths, if the signal shifter passes through switching The conducting state of the dry group signal path, the transmission direction of signal in the LED display is controlled, in the internal signal switch unit In simultaneously only one group of signal path it is in the conduction state,The current path and the signal path are arranged in the distribution channel simultaneously.
- A kind of 4. LED display of power supply signal free switching as claimed in claim 3, it is characterised in that：The power supply switches Device and the signal shifter all include rotary squeezing lid, it is some push shell fragment, conducting pcb board and base, wherein, the conducting Pcb board is set on the base, some conducting pieces is provided with the conducting pcb board, some this pushes shell fragment and be arranged on the conducting Above pcb board, also, each this push shell fragment and be correspondingly arranged between two conducting pieces,Rotary squeezing lid swivelling cover is located at some this and pushed above shell fragment, and it is corresponding to push shell fragment with some this, is squeezed in the rotation Be provided with briquetting on the bottom surface of gland, when the rotary squeezing lid rotates, the briquetting go to one this push above shell fragment, And the pressing action for pushing shell fragment is made by the briquetting this push shell fragment move down and turn on be connected to two conducting pieces it Between, so that two conducting pieces are in the conduction state, in a manner mentioned above, allowed hand over by rotating the rotary squeezing lid Conducting state between some conducting pieces,Each conducting piece has external connection end, and the external connection end of the power switcher is connected with the current path, the letter Number switch external connection end is connected with the signal path, utilizes the power switcher to switch some groups of electric currents to lead to so as to reach The conducting state on road, the transmission direction of electric current in the LED display is controlled, and switch some groups using the signal shifter and be somebody's turn to do The conducting state of signal path, control the effect of the transmission direction of signal in the LED display.
- A kind of 5. LED display of power supply signal free switching as claimed in claim 1, it is characterised in that：One motor unit It is connected simultaneously with the locking unit and the plug unit, the motor unit drives the locking unit to complete being somebody's turn to do for arbitrary neighborhood Connection locking action between LED display, while the motor unit can also drive the plug unit to complete arbitrary neighborhood Signal, electric current between the LED display are plugged into action, and the motor unit drives the locking unit and the plug unit simultaneously Complete the locking action and the action of plugging into.
- A kind of 6. LED display of power supply signal free switching as claimed in claim 5, it is characterised in that：The motor unit Including stationary rack, action gear and push handle, wherein, the stationary rack is fixedly connected in the casing, and the action gear is consolidated Surely the end of the push handle is connected to, the action gear is meshed with the stationary rack, and the locking unit and the plug unit are same When be connected in the push handle,When the push handle stress acts, the push handle drives the action gear to be rotated on the stationary rack, because this is fixed Rack is stationarily connected in the casing, and the locking unit and the plug unit are connected in the push handle, so This moment, the locking unit and the plug unit produce a displacement relative to the casing, and the locking action is completed using the displacement And the action of plugging into.
- A kind of 7. LED display of power supply signal free switching as claimed in claim 6, it is characterised in that：The locking unit For a buckle, the end of the buckle is articulated in the action gear, corresponding with the buckle, and fastening is provided with the socket Portion, after completing the locking action, the buckle is fastened in the buckling parts.
- A kind of 8. LED display of power supply signal free switching as claimed in claim 6, it is characterised in that：The plug unit For a rigid male adapter, after completing the action of plugging into, the rigid male adapter is plugged in the socket, when the rigidity Male adapter completes this and plugged into act and after being plugged in the socket, by the rigid male adapter and the socket Between the relation that is rigidly connected, the rigid male adapter is played together with the socket and stablize the adjacent LED and show The effect of position relationship between display screen.
- A kind of 9. power supply signal switching method of LED display, it is characterised in that：Internal wiring switching system is arranged on casing In, connection fastening system between screen body is arranged on the lateral surface of the casing, if fastening system is connected between the screen body includes involvement Locking body is connect, some connection locking bodies are separately positioned on the lateral surface of the casing, in the internal wiring switching system and often All connection sets internal wiring between one connection locking body, and the internal wiring is arranged in the casing,The internal wiring switching system is to switch the transmission direction of signal, electric current in the LED display, internal wiring switching System includes some groups of distribution channels, and the both ends of each group of distribution channel are all correspondingly arranged at the different connection locking bodies In, meanwhile, the both ends of each group of distribution channel are all uniquely corresponding to be arranged in the corresponding connection locking body, when the circulation When the both ends of path are separately positioned in two connection locking bodies, the connection locking body of the distribution channel one end is defeated Enter end, and the other end of connection locking body of the distribution channel is output end, user is by controlling the internal wiring to switch System switches the conducting state of some groups of distribution channels, the transmission direction of signal, electric current in the LED display is controlled, at this Only one group of distribution channel is in the conduction state simultaneously in internal wiring switching system,Fastening system is connected between the screen body to determine the annexation between the LED display of arbitrary neighborhood, while the screen Fastening system is connected between body also to carry out the signal between the LED display of arbitrary neighborhood, electric current transmission, is connected between the screen body Some connection locking bodies for connecing fastening system are divided into plug body and socket, determine arbitrary neighborhood the LED display it Between annexation when, the plug body on the LED display is connected to should with other of the LED display arbitrary neighborhood In the socket on LED display, each plug body includes locking unit and plug unit, the locking unit with And the plug unit is integrated into one part of the plug body, being spliced to form large LED each other in some LED displays shows When display screen, the locking unit to determine the annexation between the LED display of arbitrary neighborhood, use by the plug unit To carry out the signal between the LED display of arbitrary neighborhood, electric current transmission.
- A kind of 10. power supply signal switching method of LED display as claimed in claim 9, it is characterised in that：The internal wiring Switching system includes internal electric source switch unit and internal signal switch unit, wherein, the internal electric source switch unit to Switch the transmission direction of electric current in the LED display, the internal signal switch unit is switching signal in the LED display Transmission direction,The internal electric source switch unit includes power switcher and some groups of current paths, if the power switcher passes through switching The conducting state of the dry group current path, the transmission direction of electric current in the LED display is controlled, in the internal electric source switch unit In simultaneously only one group of current path it is in the conduction state,The internal signal switch unit includes signal shifter and some groups of signal paths, if the signal shifter passes through switching The conducting state of the dry group signal path, the transmission direction of signal in the LED display is controlled, in the internal signal switch unit In simultaneously only one group of signal path it is in the conduction state,The current path and the signal path are arranged in the distribution channel simultaneously,One motor unit is connected with the locking unit and the plug unit simultaneously, and the motor unit drives the locking unit complete Connection locking action between the LED display of arbitrary neighborhood, while the motor unit can also drive the plug unit Complete the signal between the LED display of arbitrary neighborhood, electric current is plugged into action, the motor unit drive the locking unit and The plug unit completes the locking action and the action of plugging into simultaneously.
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| CN201610078097.7A CN105489127B (en) | 2016-02-04 | 2016-02-04 | The LED display and its power supply signal switching method of a kind of power supply signal free switching |
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| CN201610078097.7A CN105489127B (en) | 2016-02-04 | 2016-02-04 | The LED display and its power supply signal switching method of a kind of power supply signal free switching |
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| CN105489127B true CN105489127B (en) | 2018-03-02 |
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| CN107578715A (en) * | 2017-10-24 | 2018-01-12 | 山西高科华烨电子集团有限公司 | Hardwired LED display casing |
| CN208045010U (en) * | 2018-03-22 | 2018-11-02 | 深圳市雷迪奥视觉技术有限公司 | Power supply and signal structure device and flexible led display screen |
| CN110197629A (en) * | 2019-07-04 | 2019-09-03 | 深圳市齐普光电子股份有限公司 | A kind of Modularized splice LED display |
| CN111341247A (en) * | 2019-07-31 | 2020-06-26 | 深圳市晶泓科技有限公司 | Drive chip, LED lamp and LED display screen |
| US11568792B2 (en) | 2020-12-18 | 2023-01-31 | Novatronics Co., Limited | Driver chip, LED lamp and LED display screen |
| CN114333664A (en) * | 2022-01-18 | 2022-04-12 | 深圳市创显光电有限公司 | Display screen splicing assembly with looseness detection function and assembly detection method |
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