CN113450664A - Display screen system and signal transmission method thereof - Google Patents
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- 230000008054 signal transmission Effects 0.000 title claims abstract description 172
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000012545 processing Methods 0.000 claims description 10
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 230000002463 transducing effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 45
- 238000010586 diagram Methods 0.000 description 18
- 238000013461 design Methods 0.000 description 9
- 238000004146 energy storage Methods 0.000 description 5
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- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000009351 contact transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
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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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
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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
- G09F9/302—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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
Abstract
The invention discloses a display screen system and a signal transmission method thereof, wherein the display screen system comprises a display screen array, the display screen array comprises a plurality of display screen units which are spliced together, each display screen unit comprises a frame and a transducer device fixed on the frame, the transducer devices of the adjacent display units are contacted, and the signal transmission is carried out between the adjacent display screen units through the transducer devices. According to the embodiment of the invention, the transducer device serving as the mechanical wave generating device is integrated on the frame of the display screen unit, the structure is simple, the display screen unit can realize signal transmission, the precision and accuracy of the signal transmission are higher, the transmission efficiency is high, the cost is low, the fault-tolerant rate is high, the requirement is low, and the anti-interference capability is strong.
Description
Technical Field
The invention relates to the field of display screens, in particular to a display screen system and a signal transmission method thereof.
Background
The display screen that forms through the box concatenation now, because the box of different positions, its inside line of walking is different, only can transmit image information, control information between box and the box, and can't transmit position information. In the process of assembling the box body, the cost is long to determine the installation position of the box body, and then the assembly and debugging are carried out. And only the specific coordinates of the box body are determined, the signal debugging and the device debugging of the screen body can be realized.
The signal transmission between the boxes mainly refers to the signal transmission between the boxes in a display screen formed by splicing the boxes. There are many kinds of signals, including video signals played by the display screen, position signals of the box body, status information of the box body operation, etc. Typically, these signals are transmitted via a particular channel. The communication between the existing LED boxes is carried out through a network cable, and the signal transmission mode has the following defects:
(1) the box frame part needs to be connected with a wire, and the wire is inconvenient to cross.
(2) Poor contact condition exists in the net twine transmission, and is higher to the sealed and waterproof requirement of box.
(3) Most box designs, considering processing technology, maintenance cost and the like, even abandon the function and do not perform communication transmission transversely among boxes.
(4) Different wiring modes can appear in the box that the net twine connection leads to different positions, and box laying position is not right in dismouting, then need carry out plug connection and program debugging again to inside circuit, and is very inconvenient.
Therefore, it is necessary to provide a new signal transmission technique between the boxes for the display screen body that needs to be disassembled and assembled.
Disclosure of Invention
In view of this, the display screen system and the signal transmission method thereof provided in the embodiments of the present invention are integrated on the frame of the display screen unit as the transducer device of the mechanical wave generating device, and have a simple structure, so that the display screen unit can implement signal transmission, and the display screen system has high signal transmission precision and accuracy, high transmission efficiency, low cost, high fault tolerance, low requirement, and strong anti-interference capability.
The technical scheme adopted by the invention for solving the technical problems is as follows:
according to an aspect of the embodiment of the present invention, a display screen system is provided, where the display screen system includes a display screen array, the display screen array includes a plurality of display screen units spliced together, each display screen unit includes a frame and a transducer device fixed to the frame, the transducer devices of adjacent display units are in contact, and signal transmission is performed between the adjacent display screen units through the transducer devices.
In one possible design, the transducer arrangement includes: transducer, controller, leading out cable; wherein:
the outgoing cable is used for transmitting signals to the controller;
the controller is used for processing the signals transmitted by the outgoing cable and transmitting the processed signals to the transducer;
and the transducer is used for transducing the processed signals transmitted by the controller into mechanical waves.
In one possible design, the controller includes a modulation/demodulation circuit, an amplification circuit, an impedance matching circuit, and a band-pass filter circuit, wherein:
the modulation/demodulation circuit is used for modulating/demodulating the signal to obtain a modulation/demodulation signal;
the amplifying circuit is used for amplifying the signal power of the modulation/demodulation signal to obtain an amplified signal;
the impedance matching circuit and the band-pass filter circuit are used for eliminating interference of the signal passing through the amplifying circuit to obtain the filtered signal.
In one possible design, the transducer device may further include a vibrator, which is a signal transmission medium for transmitting signals.
In one possible design, the transducer device further comprises a connection layer, wherein the connection layer is a special processing structure formed by the vibrators at the end connection part and used for enabling the connection between the two adjacent vibrators to be tighter.
In one possible design, two transducer devices are respectively arranged on two opposite side frames of the display screen unit, so that two-way signal transmission is realized.
In one possible design, each frame of the display screen unit is provided with one transducer device, so that four-way signal transmission is realized.
In one possible design, one frame of the display screen unit is provided with one transducer device, and the other frame is provided with a decoding device; or two adjacent frames of the display screen unit are respectively provided with one transducer device, and the other two adjacent frames are respectively provided with one decoding device, so that unidirectional signal transmission is realized; the decoding device is used for decoding mechanical waves of adjacent display screen units.
In one possible design, the display screen system further comprises a locking device, and the locking device is used for locking the adjacent display screen units to enable the adjacent display screen units to be contacted.
According to another aspect of the embodiments of the present invention, there is provided a signal transmission method for a display screen system, which is applied to a display screen system, the display screen system includes a display screen array, the display screen array includes a plurality of display screen units spliced together, each display screen unit includes a frame and a transducer device fixed on the frame, the method includes:
and S1, splicing the frames of each display unit together to enable the transducer devices of the adjacent display units to be contacted.
And S2, carrying out signal transmission between the adjacent display screen units through the transducer device.
Compared with the related art, the display screen system and the signal transmission method thereof provided by the embodiment of the invention comprise a display screen array, wherein the display screen array comprises a plurality of spliced display screen units, each display screen unit comprises a frame and a transducer device fixed on the frame, the transducer devices of the adjacent display units are in contact, and the signal transmission is carried out between the adjacent display screen units through the transducer devices. According to the embodiment of the invention, the transducer device serving as the mechanical wave generating device is integrated on the frame of the display screen unit, so that the structure is simple; the transducer device generates mechanical waves, and the display screen unit can realize signal transmission by utilizing mechanical vibration of different frequencies, namely, the transducer in the transducer device is directly integrated on the frame of the display screen unit, the mechanical vibration generated by the transducer is directly released on the frame of the display screen unit, and the frame of the display screen unit can absorb the mechanical vibration to a certain extent, so that certain loss can be generated in the signal transmission process, but the loss is within the range allowed by errors, so that the signal transmission can be normally carried out, and the mechanical vibration on the signal transmission path of the whole transducer is not damaged or is less lost. And because the signal only carries out horizontal or vertical signal transmission between the display screen unit, the display screen unit can know the position of its display screen unit about or about through the transducer device. When carrying out signal transmission between adjacent display screen unit, need not to carry out wired connection, only need guarantee that adjacent display screen unit can contact, make the transducer contact of adjacent display screen unit, only be the contact between two transducers (or the oscillator) in the whole transmission course, and other are structural not produce the contact, the frame of display screen unit does not cause the influence to signal transmission, so carry out signal transmission with the help of the connection structure of adjacent display screen unit, signal transmission's precision and degree of accuracy are higher, transmission efficiency is high, and is with low costs, the fault-tolerant ratio is high, require lowly, the interference killing feature is strong, be applicable to comparatively complicated information signal transmission. And because the assembly between the display screen units is wireless connection, the assembly and disassembly are very convenient.
Drawings
FIG. 1 is a schematic diagram of a display screen system according to the present invention;
FIG. 2 is a schematic diagram of a transducer assembly according to the present invention;
FIG. 3 is a schematic diagram of another transducer arrangement according to the present invention;
FIG. 4 is a schematic structural diagram of a display screen unit according to the present invention;
FIG. 5 is a schematic view of another display panel unit according to the present invention;
FIG. 6 is a schematic view of another display panel unit according to the present invention;
FIG. 7 is a schematic view of another display panel unit according to the present invention;
FIG. 8 is a schematic view of another display panel unit according to the present invention;
FIG. 9 is a schematic view of another display panel unit according to the present invention;
FIG. 10 is a schematic diagram of a display screen system according to the present invention;
FIG. 11 is a schematic diagram of another display screen system according to the present invention;
FIG. 12 is a schematic diagram of another display screen system according to the present invention;
FIG. 13 is a schematic diagram of another display screen system according to the present invention;
FIG. 14 is a schematic diagram of another display screen system according to the present invention;
FIG. 15 is a schematic diagram of another display screen system according to the present invention;
FIG. 16 is a schematic diagram of another display screen system according to the present invention;
FIG. 17 is a schematic diagram of another display screen system according to the present invention;
fig. 18 is a flowchart illustrating a signal transmission method of a display screen system according to the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
In one embodiment, as shown in fig. 1 to 17, the present invention provides a display screen system, which includes a display screen array, where the display screen array includes a plurality of display screen units 100 spliced together, each display screen unit 100 includes a frame 20 and a transducer device 10 fixed to the frame 20, the frame 20 of each display unit 100 is spliced together, the transducer devices 10 of adjacent display units 100 are in contact, and signal transmission is performed between adjacent display screen units 100 through the transducer devices 10, so that signal transmission is performed between each display screen unit 100.
In one embodiment, as shown in fig. 1, 12 and 15, the display screen system further comprises a locking device 200, wherein the locking device 200 is used for locking the adjacent display screen units 100 to enable the adjacent display screen units 100 to be contacted. The locking device 200 locks the transducer devices 10 of the adjacent display screen units 100 simultaneously when locking the adjacent display screen units 100, so that the two adjacent transducer devices 10 are in contact. Preferably, the locking device 200 is a locking screw assembly.
In this embodiment, when the transducer device as the mechanical wave generating device is integrated on the frame of the display screen unit, the transducer device is in contact with the frame of the display screen unit, so that the gap between two adjacent display screen units is small and the two adjacent display screen units are in contact with each other, and simultaneously, the two adjacent display screen units are locked by the locking device, so that the two adjacent display screen units are in contact with each other, and the mechanical wave can be transmitted at a higher frequency. If the two boxes cannot be tightly connected, the mechanical wave is easily lost and interfered in the transmission process and even interrupted, but the mechanical wave signal can be transmitted through other hard connecting media, such as a locking device between two adjacent display screen units. Whether the mechanical wave is accurately transmitted or not is determined not by the distance between two signal sources but by whether the structural parts are tightly connected, so that the vibration frequency and the amplitude cannot be greatly weakened in the transmission process of the mechanical wave. Because two adjacent display screen units can be contacted, only the contact between two transducers (or vibrators) is realized in the whole transmission process, the contact is not generated on other structures, and the frame of the display screen unit does not influence signal transmission, so that the signal transmission is carried out by means of the connecting structure of the two adjacent display screen units, the precision and the accuracy of the signal transmission are higher, the transmission efficiency is high, the cost is low, the fault tolerance rate is high, the requirement is low, the anti-interference capability is strong, and the method is suitable for the transmission of more complex information signals. And because the assembly between the display screen units is wireless connection, the assembly and disassembly are very convenient.
In one embodiment, the display unit 100 includes: the display screen unit comprises a frame 20 and a transducer device 10, wherein the transducer device 10 is fixed on the frame 20, and the display screen unit 100 carries out signal transmission through the transducer device 10.
Alternatively, the transducer assembly 10 may be fixed to the inner side of the frame 20, in which case the frame 20 does not need to be provided with an opening, or the frame 20 may be provided with an opening, and the transducer assembly 10 may be fixedly nested in the opening of the frame 20.
Specifically, as shown in fig. 2, the transducer device 10 includes: transducer 11, controller 12, outgoing cable 13; wherein:
the outgoing cable 13 is used for transmitting signals and supplying power to the transducer device 10; specifically, the outgoing cable 13 is used to transmit signals to the controller 12 and to supply power to the controller 12.
And the controller 12 is configured to process the signal transmitted by the outgoing cable 13, and transmit the processed signal to the transducer 11.
Preferably, the controller 12 is a control driving device, and includes a modulation/demodulation circuit, an amplification circuit, an impedance matching circuit, and a band-pass filter circuit therein, wherein:
and the modulation/demodulation circuit is used for modulating/demodulating the signal to obtain a modulation/demodulation signal.
And the amplifying circuit is used for amplifying the signal power of the modulation/demodulation signal to obtain an amplified signal.
The impedance matching circuit and the band-pass filter circuit are used for eliminating interference of the signals passing through the amplifying circuit to obtain filtered signals, and the filtered signals are transmitted to the transducer 11, so that the utilization rate of the signals is improved.
The transducer 11 is configured to transduce the processed signal transmitted by the controller 12 into a mechanical wave.
The transducer 11 is composed of a mechanical vibration system and an electric energy storage element, and has a transmitting and receiving function. The mechanical vibration of the mechanical vibration system and the electric energy of the electric energy storage element can be mutually converted. That is, when the transducer is used as a transmitting transducer, the change of the electric field or the magnetic field of the electric energy storage element pushes the mechanical vibration system of the transducer to enter a vibration state through the electromagnetic field effect, so that the electric energy of the electric energy storage element is converted into mechanical vibration. When the transducer is used as a receiving transducer, the vibration change of the mechanical vibration system pushes the change of the electric field or the magnetic field of the electric energy storage element, so that the mechanical vibration of the mechanical vibration system is converted into electric energy.
Optionally, the transducer 11 comprises one of: piezoelectric transducer, electrostatic transducer, magnetostrictive transducer, ultrasonic transducer.
In the present embodiment, the transducer 11 is a dual-purpose ultrasonic transducer, and the structure of the transducer is described by way of example. The ultrasonic transducer is a dual-purpose ultrasonic transducer for transmitting and receiving, and structurally comprises a shell, an acoustic window, a piezoelectric ceramic disc transducer, a back lining, a lead-out cable and a Cymbal array receiver, wherein the Cymbal array receiver comprises the lead-out cable, 8-16 Cymbal transducers, a metal ring and a rubber gasket. The Cymbal array receiver is positioned above the piezoelectric ceramic disc transducer; the piezoelectric ceramic disc transducer is used for transmitting and receiving ultrasonic signals; the Cymbal array receiver is used for receiving Doppler echo signals outside the frequency band of the piezoelectric ceramic disc transducer.
In the present embodiment, when the transducer device as the mechanical wave generating device is integrated on the bezel of the display screen unit, the structure is simple; through lead out the cable with signal transmission for the controller, the warp the controller will signal processing back transmission gives the transducer, the transducer will be handled the signal conversion after to mechanical wave. The transducer device generates mechanical waves, and the display screen unit can realize signal transmission by utilizing mechanical vibration of different frequencies, namely, the transducer in the transducer device is directly integrated on the frame of the display screen unit, the mechanical vibration generated by the transducer is directly released on the frame of the display screen unit, and the frame of the display screen unit can absorb the mechanical vibration to a certain extent, so that certain loss can be generated in the signal transmission process, but the loss is within the range allowed by errors, so that the signal transmission can be normally carried out, and the mechanical vibration on the signal transmission path of the whole transducer is not damaged or is less lost. And because the signal only carries out horizontal or vertical signal transmission between the display screen unit, the display screen unit can know the position of its display screen unit about or about through the transducer device. When carrying out signal transmission between adjacent display screen unit, need not to carry out wired connection, only need guarantee that adjacent display screen unit can contact, make the transducer contact of adjacent display screen unit, only be the contact between two transducers (or the oscillator) in the whole transmission course, and other are structural not produce the contact, the frame of display screen unit does not cause the influence to signal transmission, so carry out signal transmission with the help of the connection structure of adjacent display screen unit, signal transmission's precision and degree of accuracy are higher, transmission efficiency is high, and is with low costs, the fault-tolerant ratio is high, require lowly, the interference killing feature is strong, be applicable to comparatively complicated information signal transmission. And because the assembly between the display screen units is wireless connection, the assembly and disassembly are very convenient.
In one embodiment, as shown in fig. 3, the transducer device 10 may further include a vibrator 14, and the vibrator 14 is a signal transmission medium for transmitting signals. In this embodiment, the frame 20 of the display unit 100 is provided with an opening, and the vibrator 14 is disposed in the opening.
In this embodiment, the transducer device is integrated in the frame of the display screen unit, the signal is transmitted to the controller through the leading-out cable, the signal is transmitted to the transducer after being processed by the controller, the signal after being processed is converted into mechanical wave by the transducer, and the mechanical wave signal is transmitted to the vibrator. The vibrator is a transmission medium, and mechanical waves are generated from an energy converter embedded at the rear end of the vibrator. When carrying out signal transmission between adjacent display screen unit, need not to carry out wired connection, only need guarantee adjacent display screen unit contact, make the oscillator contact of adjacent display screen unit, the elimination transducer along journey signal loss that can the at utmost, the oscillator and the oscillator direct contact of adjacent display screen unit, and the relative display screen unit frame of oscillator is independent, the mechanical shock relation of signal transmission end only can produce between two adjacent display screen units in the front and back, so vibrations are absorbed, the volume of interference is very little, the signal can comparatively accurate transmission.
In one embodiment, as shown in fig. 3, the transducer device 10 may further include a connection layer 15, where the connection layer 15 is a special processing structure formed at the end connection of the transducer 14 for making the connection between two adjacent transducers tighter.
Preferably, the display screen unit 100 is a rectangular display box or a rectangular display module.
In one embodiment, as shown in fig. 1, 4, 5, 10, 12 and 13, two-way signal transmission can be realized by disposing one transducer device 10 on each of two opposite borders 20 of the display screen unit 100.
Fig. 1 and 12 are schematic structural diagrams illustrating two display screen units spliced together. In this embodiment, the adjacent display screen units 100 are locked by the locking device 200, so that the two side frames 20 of the two adjacent display screen units 100 are contacted together, and the transducer devices 10 fixed on the respective side frames 20 are contacted together, thereby realizing two-way signal transmission.
Fig. 10 and 13 are schematic structural diagrams illustrating a plurality of display screen units spliced together to form a display screen array. In this embodiment, the adjacent display screen units 100 are locked by the locking device 200, so that the two side frames 20 of the two adjacent display screen units 100 are contacted together, and the transducer devices 10 fixed on the respective side frames 20 are contacted together, thereby realizing two-way signal transmission.
In the embodiment, two transducer devices are respectively arranged on two opposite side frames of the display screen unit, so that double-path signal transmission can be realized, the double-path signal transmission only carries out transverse signal transmission or longitudinal signal transmission between the display screen units, and the display screen units can know the positions of the left display screen unit, the right display screen unit, the upper display screen unit and the lower display screen unit through the transducer devices. When carrying out signal transmission between adjacent display screen unit, need not to carry out wired connection, only need guarantee that adjacent display screen unit can contact, make the transducer contact of adjacent display screen unit, only be the contact between two transducers (or the oscillator) in the whole transmission course, and other are structural not produce the contact, the frame of display screen unit does not cause the influence to signal transmission, so carry out signal transmission with the help of the connection structure of adjacent display screen unit, signal transmission's precision and degree of accuracy are higher, transmission efficiency is high, and is with low costs, the fault-tolerant ratio is high, require lowly, the interference killing feature is strong, be applicable to comparatively complicated information signal transmission. And because the assembly between the display screen units is wireless connection, the assembly and disassembly are very convenient.
In one embodiment, as shown in fig. 1, 6, 7, 11, 12 and 14, four-way signal transmission can be realized by disposing one transducer device 10 on each frame 20 of the display screen unit 100.
Fig. 1 and 12 are schematic structural diagrams illustrating two display screen units spliced together. In this embodiment, the locking device 200 locks the adjacent display screen units 100, so that the two side frames 20 of the two adjacent display screen units 100 are contacted together, and the transducer devices 10 fixed on the respective side frames 20 are contacted together, thereby realizing four-way signal transmission.
Fig. 12 and 14 are schematic structural diagrams illustrating a plurality of display screen units spliced together to form a display screen array. In this embodiment, the locking device 200 locks the adjacent display screen units 100, so that the two side frames 20 of the two adjacent display screen units 100 are contacted together, and the transducer devices 10 fixed on the respective side frames 20 are contacted together, thereby realizing four-way signal transmission.
In the embodiment, through each frame of display screen unit respectively sets up a transducer device, can realize four ways signal transmission, both can carry out the horizontal signal transmission between the display screen unit, can carry out vertical signal transmission again, the display screen unit can know the position of its display screen unit about and from top to bottom through the transducer device. Therefore, high fault tolerance rate of signal transmission between the display screen units can be realized, and even if the signal transmission of any two adjacent display screen units is interrupted and cannot be connected, a new path can be planned through longitudinal transmission to know transmission information. When carrying out signal transmission between adjacent display screen unit, need not to carry out wired connection, only need guarantee that adjacent display screen unit can contact, make the transducer contact of adjacent display screen unit, only be the contact between two transducers (or the oscillator) in the whole transmission course, and other are structural not produce the contact, the frame of display screen unit does not cause the influence to signal transmission, so carry out signal transmission with the help of the connection structure of adjacent display screen unit, signal transmission's precision and degree of accuracy are higher, transmission efficiency is high, and is with low costs, the fault-tolerant ratio is high, require lowly, the interference killing feature is strong, be applicable to comparatively complicated information signal transmission. And because the assembly between the display screen units is wireless connection, the assembly and disassembly are very convenient.
In one embodiment, as shown in fig. 8, 15 and 16, a transducer device 10 is disposed on one frame 20 of the display screen unit 100, and a decoding device 30 is disposed on the other frame 20, so as to implement unidirectional transverse signal transmission. The decoding device 30 is used for translating (decoding) mechanical waves of adjacent display screen units, and comprises a decoding circuit and a leading-out cable connected with the decoding circuit.
Fig. 15 and 16 are schematic structural diagrams illustrating a plurality of display screen units spliced together to form a display screen array. In this embodiment, the locking device 200 locks the adjacent display screen units 100, so that the two side frames 20 of the two adjacent display screen units 100 are contacted together, and the transducer device 10 and the decoding device 30 fixed on the respective side frames 20 are contacted together, thereby realizing the transverse unidirectional signal transmission.
In the embodiment, a transducer device is arranged on one frame of the display screen unit, a decoding device is arranged on the other opposite frame, and in the adjacent display screen unit, the signal can be transmitted unidirectionally for the display screen unit, namely, the signal can only be received from the adjacent previous display screen unit, and is transmitted to the adjacent next display screen unit, but the signal cannot be transmitted to the adjacent previous display screen unit, so that the transverse unidirectional transverse signal transmission is realized, and the structure is simple. When carrying out signal transmission between adjacent display screen unit, need not to carry out wired connection, only need guarantee that adjacent display screen unit can contact, make the transducer contact of adjacent display screen unit, only be the contact between two transducers (or the oscillator) in the whole transmission course, and other are structural not produce the contact, the frame of display screen unit does not cause the influence to signal transmission, so carry out signal transmission with the help of the connection structure of adjacent display screen unit, signal transmission's precision and degree of accuracy are higher, transmission efficiency is high, and is with low costs, the fault-tolerant ratio is high, require lowly, the interference killing feature is strong, be applicable to comparatively complicated information signal transmission. And because the assembly between the display screen units is wireless connection, the assembly and disassembly are very convenient.
In one embodiment, as shown in fig. 9, 15 and 17, a transducer device 10 is disposed on each of two adjacent frames 20 of the display screen unit 100, and a decoding device 30 is disposed on each of the other two adjacent frames 20, so that unidirectional transverse signal transmission and longitudinal signal transmission can be realized. The decoding device 30 is used for translating (decoding) mechanical waves of adjacent display screen units, and comprises a decoding circuit and a leading-out cable connected with the decoding circuit.
Fig. 15 and 17 are schematic structural diagrams illustrating a plurality of display screen units spliced together to form a display screen array. In this embodiment, the locking device 200 locks the adjacent display screen units 100, so that the two side frames 20 of the two adjacent display screen units 100 are contacted together, and the transducer device 10 and the decoding device 30 fixed on the respective side frames 20 are contacted together, thereby realizing unidirectional transverse signal transmission and longitudinal signal transmission.
In the embodiment, two adjacent frames of the display screen unit are respectively provided with one transducer device, the other two adjacent frames are respectively provided with one decoding device, in the adjacent display screen unit, the display screen unit can only transmit signals in a single direction, namely, the display screen unit can only receive the transmission signals of the adjacent previous display screen unit and send the signals to the adjacent next display screen unit, but cannot send the signals to the adjacent previous display screen unit, so that the single-direction transverse signal transmission and the longitudinal signal transmission are realized, and the structure is simple. When carrying out signal transmission between adjacent display screen unit, need not to carry out wired connection, only need guarantee that adjacent display screen unit can contact, make the transducer contact of adjacent display screen unit, only be the contact between two transducers (or the oscillator) in the whole transmission course, and other are structural not produce the contact, the frame of display screen unit does not cause the influence to signal transmission, so carry out signal transmission with the help of the connection structure of adjacent display screen unit, signal transmission's precision and degree of accuracy are higher, transmission efficiency is high, and is with low costs, the fault-tolerant ratio is high, require lowly, the interference killing feature is strong, be applicable to comparatively complicated information signal transmission. And because the assembly between the display screen units is wireless connection, the assembly and disassembly are very convenient.
In the above embodiment, based on the display screen unit including the transducer device provided by the present invention, signal transmission between display screen units can be realized, so that position information between display screen units can be known.
If a wireless signal transmitting base station exists, the wireless signal transmitting base station is hidden behind a display screen system screen body formed by a plurality of spliced display screen units, and a video signal is transmitted to the display screen system screen body. The wireless signal transmitting base station transmits complete video information to each display screen unit, and the display screen units intercept the specific range of the video information, namely the video information of the display range corresponding to the display screen units according to the positions of the display screen units and play the video information. In this way, each display screen unit has a complete video information copy, but each display screen unit only plays the video information of the associated location. At the moment, the display screen unit needs to know the coordinates of the display screen unit relative to the screen body and know the position information of the display screen unit, and the playing range can be accurately divided.
Based on the display screen unit comprising the transducer device provided by the invention, signal transmission among the display screen units can be realized, so that the position information among the display unit screens can be known. The display screen unit can know the position information of the display screen unit and can also know the conditions of the display screen units around the display screen unit (including the position information and the played video information content) so as to accurately play the video information content.
The method has the advantages that each display screen unit transmits complete video information, the information quantity which needs to be transmitted is a little large, but the form of uniformly receiving and transmitting the same content is simple enough, so that the video information is not subjected to excessive processing, signal receiving and transmitting stations can be integrated into one, and the main path of signal transmission is simplified into one.
In one embodiment, as shown in fig. 18, the present invention provides a signal transmission method for a display screen system, which is applied to a display screen system, where the display screen system includes a display screen array, the display screen array includes a plurality of display screen units spliced together, each display screen unit includes a frame and a transducer device fixed to the frame, and the method includes:
and S1, splicing the frames of each display unit together to enable the transducer devices of the adjacent display units to be contacted.
And S2, carrying out signal transmission between the adjacent display screen units through the transducer device.
In one embodiment, the display screen system further comprises a locking device for locking two adjacent display screen units to enable the two adjacent display screen units to be contacted. The locking device locks the transducer devices of the two adjacent display screen units simultaneously when the two adjacent display screen units are locked, so that the two adjacent transducer devices are in contact with each other.
In one embodiment, the transducer arrangement comprises: transducer, controller, leading out cable; wherein:
the leading-out cable is used for transmitting signals and supplying power to the transducer device; specifically, the outgoing cable is used for transmitting signals to the controller and supplying power to the controller.
And the controller is used for processing the signals transmitted by the outgoing cable and transmitting the processed signals to the transducer.
Preferably, the controller is a control driving device, and includes a modulation/demodulation circuit, an amplification circuit, an impedance matching circuit, and a band-pass filter circuit therein, wherein:
and the modulation/demodulation circuit is used for modulating/demodulating the signal to obtain a modulation/demodulation signal.
And the amplifying circuit is used for amplifying the signal power of the modulation/demodulation signal to obtain an amplified signal.
The impedance matching circuit and the band-pass filter circuit are used for eliminating interference of the signals passing through the amplifying circuit to obtain filtered signals, and the filtered signals are transmitted to the transducer, so that the utilization rate of the signals is improved.
And the transducer is used for transducing the processed signals transmitted by the controller into mechanical waves.
In step S1, splicing the borders of each display unit together to make the transducer devices of the adjacent display units contact; the method comprises the following steps:
splicing the frames of each display unit together to enable the transducers in the transducer devices of the adjacent display units to be contacted.
In step S2, the signal transmission between the adjacent display screen units through the transducer device includes:
the transducer converts the signal into a mechanical wave;
the transducer transmitting the mechanical wave to an adjacent transducer in contact therewith;
and the adjacent transducers convert the mechanical waves into signals and transmit the signals to the display screen units, so that the adjacent display screen units transmit the signals.
In the present embodiment, when the transducer device as the mechanical wave generating device is integrated on the bezel of the display screen unit, the structure is simple; through lead out the cable with signal transmission for the controller, the warp the controller will signal processing back transmission gives the transducer, the transducer will be handled the signal conversion after to mechanical wave. The transducer device generates mechanical waves, and the display screen unit can realize signal transmission by utilizing mechanical vibration of different frequencies, namely, the transducer in the transducer device is directly integrated on the frame of the display screen unit, the mechanical vibration generated by the transducer is directly released on the frame of the display screen unit, and the frame of the display screen unit can absorb the mechanical vibration to a certain extent, so that certain loss can be generated in the signal transmission process, but the loss is within the range allowed by errors, so that the signal transmission can be normally carried out, and the mechanical vibration on the signal transmission path of the whole transducer is not damaged or is less lost. And because the signal only carries out horizontal or vertical signal transmission between the display screen unit, the display screen unit can know the position of its display screen unit about or about through the transducer device. When carrying out signal transmission between adjacent display screen unit, need not to carry out wired connection, only need guarantee that adjacent display screen unit can contact, make the transducer contact of adjacent display screen unit, only be the contact between two transducers (or the oscillator) in the whole transmission course, and other are structural not produce the contact, the frame of display screen unit does not cause the influence to signal transmission, so carry out signal transmission with the help of the connection structure of adjacent display screen unit, signal transmission's precision and degree of accuracy are higher, transmission efficiency is high, and is with low costs, the fault-tolerant ratio is high, require lowly, the interference killing feature is strong, be applicable to comparatively complicated information signal transmission. And because the assembly between the display screen units is wireless connection, the assembly and disassembly are very convenient.
In one embodiment, the transducer device may further include an oscillator, which is a signal transmission medium for transmitting signals.
In this embodiment, the transducer device is integrated in the frame of the display screen unit, the signal is transmitted to the controller through the leading-out cable, the signal is transmitted to the transducer after being processed by the controller, the signal after being processed is converted into mechanical wave by the transducer, and the mechanical wave signal is transmitted to the vibrator. The vibrator is a transmission medium, and mechanical waves are generated from an energy converter embedded at the rear end of the vibrator. When carrying out signal transmission between adjacent display screen unit, need not to carry out wired connection, only need guarantee adjacent display screen unit contact, make the oscillator contact of adjacent display screen unit, the elimination transducer along journey signal loss that can the at utmost, the oscillator and the oscillator direct contact of adjacent display screen unit, and the relative display screen unit frame of oscillator is independent, the mechanical shock relation of signal transmission end only can produce between two adjacent display screen units in the front and back, so vibrations are absorbed, the volume of interference is very little, the signal can comparatively accurate transmission.
In one embodiment, the transducer device may further comprise a connection layer, wherein the connection layer is a special processing structure formed by the vibrators at the end connection part and used for enabling the connection between the two adjacent vibrators to be tighter.
Preferably, the display screen unit is a rectangular display box or a rectangular display module.
In one embodiment, two transducer devices are respectively arranged on two opposite side frames of the display screen unit, so that two-way signal transmission can be realized.
In step S1, splicing the borders of each display unit together to make the transducer devices of the adjacent display units contact; the method comprises the following steps: and contacting the frames of the adjacent display units with the transducer devices together to contact the transducers or vibrators in the transducer devices of the adjacent display units.
In step S2, the signal transmission between the adjacent display screen units through the transducer device includes: and the adjacent display screen units carry out transverse signal transmission or longitudinal signal transmission through the transducer or the vibrator.
In the embodiment, two transducer devices are respectively arranged on two opposite side frames of the display screen unit, so that double-path signal transmission can be realized, the double-path signal transmission only carries out transverse signal transmission or longitudinal signal transmission between the display screen units, and the display screen units can know the positions of the left display screen unit, the right display screen unit, the upper display screen unit and the lower display screen unit through the transducer devices. When carrying out signal transmission between adjacent display screen unit, need not to carry out wired connection, only need guarantee that adjacent display screen unit can contact, make the transducer contact of adjacent display screen unit, only be the contact between two transducers (or the oscillator) in the whole transmission course, and other are structural not produce the contact, the frame of display screen unit does not cause the influence to signal transmission, so carry out signal transmission with the help of the connection structure of adjacent display screen unit, signal transmission's precision and degree of accuracy are higher, transmission efficiency is high, and is with low costs, the fault-tolerant ratio is high, require lowly, the interference killing feature is strong, be applicable to comparatively complicated information signal transmission. And because the assembly between the display screen units is wireless connection, the assembly and disassembly are very convenient.
In one embodiment, a transducer device is arranged on each frame of the display screen unit, so that four-way signal transmission can be realized.
In step S1, splicing the borders of each display unit together to make the transducer devices of the adjacent display units contact; the method comprises the following steps: and contacting the frames of the adjacent display units with the transducer devices together to contact the transducers or vibrators in the transducer devices of the adjacent display units.
In step S2, the signal transmission between the adjacent display screen units through the transducer device includes: and the adjacent display screen units carry out transverse signal transmission and longitudinal signal transmission through the transducer or the vibrator.
In the embodiment, through each frame of display screen unit respectively sets up a transducer device, can realize four ways signal transmission, both can carry out the horizontal signal transmission between the display screen unit, can carry out vertical signal transmission again, the display screen unit can know the position of its display screen unit about and from top to bottom through the transducer device. Therefore, high fault tolerance rate of signal transmission between the display screen units can be realized, and even if the signal transmission of any two adjacent display screen units is interrupted and cannot be connected, a new path can be planned through longitudinal transmission to know transmission information. When carrying out signal transmission between adjacent display screen unit, need not to carry out wired connection, only need guarantee that adjacent display screen unit can contact, make the transducer contact of adjacent display screen unit, only be the contact between two transducers (or the oscillator) in the whole transmission course, and other are structural not produce the contact, the frame of display screen unit does not cause the influence to signal transmission, so carry out signal transmission with the help of the connection structure of adjacent display screen unit, signal transmission's precision and degree of accuracy are higher, transmission efficiency is high, and is with low costs, the fault-tolerant rate is high, require lowly, the interference killing feature is strong, be applicable to comparatively complicated information signal transmission. And because the assembly between the display screen units is wireless connection, the assembly and disassembly are very convenient.
In one embodiment, a transducer device is arranged on one frame of the display screen unit, and a decoding device is arranged on the other frame, so that unidirectional transverse signal transmission can be realized. The decoding device is used for translating (decoding) mechanical waves of adjacent display screen units and comprises a decoding circuit and a leading-out cable connected with the decoding circuit.
In step S1, splicing the borders of each display unit together to make the transducer devices of the adjacent display units contact; the method comprises the following steps: and contacting the frame of the display unit with the transducer device with the frame of the adjacent display unit with the decoding device, so that the transducer or the vibrator in the transducer device is contacted with the decoding device.
In step S2, the signal transmission between the adjacent display screen units through the transducer device includes: and the adjacent display screen units carry out transmission of unidirectional transmission signals through the transducer or the vibrator and the decoding device contacted with the transducer or the vibrator.
In the embodiment, a transducer device is arranged on one frame of the display screen unit, a decoding device is arranged on the other opposite frame, and in the adjacent display screen unit, the signal can be transmitted unidirectionally for the display screen unit, namely, the signal can only be received from the adjacent previous display screen unit, and is transmitted to the adjacent next display screen unit, but the signal cannot be transmitted to the adjacent previous display screen unit, so that the transverse unidirectional transverse signal transmission is realized, and the structure is simple. When carrying out signal transmission between adjacent display screen unit, need not to carry out wired connection, only need guarantee that adjacent display screen unit can contact, make the transducer contact of adjacent display screen unit, only be the contact between two transducers (or the oscillator) in the whole transmission course, and other are structural not produce the contact, the frame of display screen unit does not cause the influence to signal transmission, so carry out signal transmission with the help of the connection structure of adjacent display screen unit, signal transmission's precision and degree of accuracy are higher, transmission efficiency is high, and is with low costs, the fault-tolerant ratio is high, require lowly, the interference killing feature is strong, be applicable to comparatively complicated information signal transmission. And because the assembly between the display screen units is wireless connection, the assembly and disassembly are very convenient.
In one embodiment, two adjacent frames of the display screen unit are respectively provided with a transducer device, and the other two adjacent frames are respectively provided with a decoding device, so that unidirectional transverse signal transmission and longitudinal signal transmission can be realized. The decoding device comprises a decoding circuit and a leading-out cable connected with the decoding circuit. The decoding device is used for translating (decoding) mechanical waves of adjacent display screen units and comprises a decoding circuit and a leading-out cable connected with the decoding circuit.
In step S1, splicing the borders of each display unit together to make the transducer devices of the adjacent display units contact; the method comprises the following steps: and contacting the frame of the display unit with the transducer device with the frame of the adjacent display unit with the decoding device, so that the transducer or the vibrator in the transducer device is contacted with the decoding device.
In step S2, the signal transmission between the adjacent display screen units through the transducer device includes: and the adjacent display screen units are in unidirectional transverse signal transmission and longitudinal signal transmission through the decoding device which is contacted with the transducer or the vibrator.
In the embodiment, two adjacent frames of the display screen unit are respectively provided with one transducer device, the other two adjacent frames are respectively provided with one decoding device, in the adjacent display screen unit, the display screen unit can only transmit signals in a single direction, namely, the display screen unit can only receive the transmission signals of the adjacent previous display screen unit and send the signals to the adjacent next display screen unit, but cannot send the signals to the adjacent previous display screen unit, so that the single-direction transverse signal transmission and the longitudinal signal transmission are realized, and the structure is simple. When carrying out signal transmission between adjacent display screen unit, need not to carry out wired connection, only need guarantee that adjacent display screen unit can contact, make the transducer contact of adjacent display screen unit, only be the contact between two transducers (or the oscillator) in the whole transmission course, and other are structural not produce the contact, the frame of display screen unit does not cause the influence to signal transmission, so carry out signal transmission with the help of the connection structure of adjacent display screen unit, signal transmission's precision and degree of accuracy are higher, transmission efficiency is high, and is with low costs, the fault-tolerant ratio is high, require lowly, the interference killing feature is strong, be applicable to comparatively complicated information signal transmission. And because the assembly between the display screen units is wireless connection, the assembly and disassembly are very convenient.
It should be noted that the method embodiment and the system embodiment belong to the same concept, and specific implementation processes thereof are described in detail in the system embodiment, and technical features in the system embodiment are correspondingly applicable in the method embodiment, which is not described herein again.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a display screen system, its characterized in that, display screen system includes the display screen array, the display screen array includes a plurality of concatenation display screen units together, and each display screen unit includes the frame and fixes the transducer device of frame, it is adjacent the display unit the transducer device contact, through the transducer device makes adjacent carry out signal transmission between the display screen unit.
2. The display screen system of claim 1, wherein the transducer arrangement comprises: transducer, controller, leading out cable; wherein:
the outgoing cable is used for transmitting signals to the controller;
the controller is used for processing the signals transmitted by the outgoing cable and transmitting the processed signals to the transducer;
and the transducer is used for transducing the processed signals transmitted by the controller into mechanical waves.
3. The display screen system of claim 2, wherein the controller includes a modulation/demodulation circuit, an amplification circuit, an impedance matching circuit, and a band-pass filter circuit, wherein:
the modulation/demodulation circuit is used for modulating/demodulating the signal to obtain a modulation/demodulation signal;
the amplifying circuit is used for amplifying the signal power of the modulation/demodulation signal to obtain an amplified signal;
the impedance matching circuit and the band-pass filter circuit are used for eliminating interference of the signal passing through the amplifying circuit to obtain the filtered signal.
4. The display screen system of claim 2, wherein the transducer assembly further comprises a transducer, the transducer being a signal transmission medium for transmitting signals.
5. The display screen system of claim 4 wherein the transducer assembly further comprises a connection layer, the connection layer being a specially treated structure formed by the elements at the end connections for making the connection between two adjacent elements tighter.
6. The display screen system of claim 1, wherein two opposing borders of the display screen unit are each configured with one of the transducer devices to enable two-way signal transmission.
7. The display screen system of claim 1, wherein one transducer device is disposed on each of the borders of the display screen unit to achieve four-way signal transmission.
8. The display screen system of claim 1, wherein one frame of the display screen unit is provided with one of the transducer means and the other opposite frame is provided with one of the decoding means; or two adjacent frames of the display screen unit are respectively provided with one transducer device, and the other two adjacent frames are respectively provided with one decoding device, so that unidirectional signal transmission is realized; the decoding device is used for decoding mechanical waves of adjacent display screen units.
9. The display screen system of claim 1, further comprising a locking device for locking adjacent display screen units into contact.
10. A signal transmission method for a display screen system, which is applied to the display screen system according to any one of claims 1 to 9, wherein the display screen system comprises a display screen array, the display screen array comprises a plurality of display screen units spliced together, each display screen unit comprises a frame and a transducer device fixed on the frame, and the method comprises:
s1, splicing the frames of each display unit together to enable the transducer devices of the adjacent display units to be contacted;
and S2, carrying out signal transmission between the adjacent display screen units through the transducer device.
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| CN202010223774.6A CN113450664A (en) | 2020-03-26 | 2020-03-26 | Display screen system and signal transmission method thereof |
| PCT/CN2020/121018 WO2021189820A1 (en) | 2020-03-26 | 2020-10-15 | Display screen system and signal transmission method therefor |
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| CN202010223774.6A CN113450664A (en) | 2020-03-26 | 2020-03-26 | Display screen system and signal transmission method thereof |
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| WO2021189820A1 (en) | 2021-09-30 |
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