CN219759177U - Anti-piracy device of LED movie screen - Google Patents

Abstract

The embodiment of the utility model relates to the field of digital film projection equipment, in particular to an anti-piracy device for an LED film screen, which comprises one or more LED boxes; the LED box body comprises an LED box body display unit, a monitoring controller and a power supply component; a piracy detection component for detecting whether pirated is performed or not is arranged in the LED box body display unit; the monitoring controller is electrically connected with the LED box body display unit; the power supply component is electrically connected with the monitoring controller and the LED box body display unit respectively. The piracy detection part detects the LED box body and the monitoring controller monitors the piracy in the LED box body, so that the piracy prevention effect of the film at the end of the LED box body is achieved.

Description

Anti-piracy device of LED movie screen

Technical Field

The utility model relates to the field of digital cinema projection equipment, in particular to an anti-piracy device for an LED cinema screen.

Background

Currently, the use of LED large screens as motion picture projection devices has become a technical trend. The LED large screen consists of an LED box array, and an LED video transmitting card transmits videos and controls the playing of the whole screen; the inside of each LED box body consists of an LED lamp panel module array and an LED video receiving card, and the image display on the box body controls the playing of the movie content of the part by the LED video receiving card in the box body.

In order to prevent film piracy, DCI organizations have made a series of design requirements for the security of film projection equipment, but the novel LED film screen has not been fully developed in terms of piracy protection at the LED box display unit end, and related personnel can implement piracy on films by implementing a manner of intercepting digital signals of the film at the LED box display unit.

In carrying out the present utility model, the applicant has found that at least the following problems exist in the prior art: the related personnel can implement piracy on the film by implementing the mode of intercepting the digital signals of the film on the LED box display unit, thereby finally influencing the income of the ticket houses of the film.

Disclosure of Invention

The embodiment of the utility model provides an anti-piracy device of an LED film screen, which aims to solve the problem that relevant personnel can pirate films by intercepting digital signals of the films in an LED box display unit, so that the income of a box office of the films is finally influenced.

An anti-piracy device of an LED movie screen comprises one or more LED boxes; the LED box body comprises an LED box body display unit, a monitoring controller and a power supply component; a piracy detection component for detecting whether pirated is performed or not is arranged in the LED box body display unit; the monitoring controller is electrically connected with the LED box body display unit; the power supply component is respectively and electrically connected with the monitoring controller and the LED box display unit; the piracy detection component is electrically connected with the monitoring controller.

Further, the LED box display unit includes a plurality of LED lamp panel modules, and a plurality of LED lamp panel modules are distributed in a rectangular array according to a predetermined lateral interval and a predetermined longitudinal interval, and each LED lamp panel module includes one piracy detection component.

Further, the piracy detection component comprises a base body and a spring plate; one end of the elastic sheet is connected with one end of the matrix; the base body is also provided with a contact and a pin; the piracy detection component is electrically connected with the monitoring controller through the pin; the piracy detection component is arranged on one side of the LED lamp panel module through the substrate; when the LED lamp panel module corresponding to the piracy detection component is not removed, the other end of the elastic piece is contacted with the contact; when the LED lamp panel module corresponding to the piracy detection component is removed, the other end of the elastic piece is separated from the contact.

Further, the anti-piracy device of the LED movie screen further comprises an LED video sending card, and the LED video sending card is electrically connected with the LED box body.

Further, the monitoring controller comprises a coding and enabling component, and the input end of the coding and enabling component is electrically connected with the output end of the LED lamp panel module; the output end of the coding and enabling device comprises an enabling output end, and the enabling output end is electrically connected with the input end of the power supply component.

Further, the LED box body further comprises an LED video receiving card, the LED video sending card is electrically connected with the LED video receiving card, and the LED video receiving card is electrically connected with the power supply component and the monitoring controller respectively.

Further, the LED box body further comprises an LED video receiving card, the LED video transmitting card is electrically connected with the LED video receiving card and the monitoring controller, and the LED video receiving card is electrically connected with the power supply component and the LED box body display unit respectively.

Further, the output end of the coding and enabling component also comprises an address output end; and the address output end is electrically connected with the LED video receiving card.

Further, the output end of the coding and enabling component also comprises an address output end; and the address output end is electrically connected with the LED video transmitting card.

The technical scheme has the following beneficial effects: through setting up piracy detection part in every LED lamp plate module in LED box display element, when piracy detection part detects that current LED lamp plate module appears unusual, send state monitoring signal to the monitor controller, monitor controller sends control signal according to state monitoring signal, control film video signal's output and LED box display element's power to interrupt film digital signal's output, finally reach the technical effect of preventing piracy at LED box end.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a first configuration of an anti-piracy device for an LED movie screen according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of the structure and data transmission of the coding and enabling components of the structure of FIG. 1 of an anti-piracy device of an LED cinema screen according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a second configuration of an anti-piracy device of an LED movie screen according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of the structure and data transmission of the coding and enabling components of the FIG. 3 structure of the anti-piracy device of the LED movie screen according to the embodiment of the utility model;

FIG. 5 is a schematic diagram showing the structure and connection of piracy detection components in an embodiment of the present utility model;

the attached drawings are used for identifying and describing:

10. an LED box display unit; 20. a monitoring controller; 30. a power supply part; 40. an LED video receiving card; 50. LED video transmitting card; 60. piracy detection means; 101. an LED lamp panel module; 601. a spring plate; 602. a base; 6021. a contact; 6022. pins; 70. an LED box; 80. and (5) a module mounting frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The use of an LED screen as a motion picture screen has become a technical trend, and an LED motion picture screen will be one of the important motion picture projection devices, and in order to prevent film piracy, digital cinema initiative has made a series of demands on the security of the film projection devices, and for a novel LED motion picture screen, the anti-piracy mechanism at the end of the LED box 70 is still under discussion, and the anti-piracy mechanism and measures against the LED screen are still not perfect. The embodiment of the utility model provides a device for preventing theft of an LED movie screen at the end of an LED box 70.

In the traditional LED box structure, the LED movie screen consists of an array of LED boxes 70, and an LED video transmitting card 50 transmits video and controls the playing of the whole screen; each LED box 70 includes an LED box display unit 10, an LED video receiving card 40 and a power supply unit 30, each LED box display unit 10 is composed of a matrix of LED lamp panel modules 101, and the image display on the LED box 70 is controlled by the LED video receiving card 40 in the LED box 70. The piracy detection component 60 and the monitoring controller 20 are added in the LED box 70 on the basis of the traditional LED box framework, and the piracy monitoring is carried out on the LED lamp panel module 101, so that the video signal output and the power supply of a film are controlled, and finally the piracy prevention of the end of the LED box 70 is realized.

An anti-piracy device for an LED cinema screen as shown in fig. 1 and 3, the LED cinema screen comprising one or more LED housings 70; the LED housing 70 includes an LED housing display unit 10, a monitoring controller 20, and a power supply part 30;

a piracy detection part 60 for detecting whether pirated is provided in the LED box display unit 10;

the monitoring controller 20 is electrically connected with the LED box display unit 10;

the power supply component 30 is electrically connected with the monitoring controller 20 and the LED box display unit 10 respectively;

the piracy detection component 60 is electrically connected to the monitoring controller 20.

The piracy detection part 60 provided in the LED box display unit 10 detects abnormality of the LED box display unit, and when abnormality is found, the piracy detection part 60 generates a state monitoring signal and transmits the state monitoring signal to the monitoring controller 20, and the monitoring controller 20 transmits a control signal after receiving the state monitoring signal, controls output of the video signal and power output of the power supply part 30, thereby interrupting playback of the movie.

Further, the LED box display unit 10 includes a plurality of LED lamp panel modules 101, where the plurality of LED lamp panel modules 101 are distributed in a rectangular array at predetermined lateral intervals and predetermined longitudinal intervals, and each LED lamp panel module 101 includes a piracy detection component 60. As shown in fig. 1 and 3, the LED box display unit 10 includes a plurality of LED lamp panel modules 101, typically, one LED box display unit 10 includes 8 LED lamp panel modules 101, and the LED lamp panel modules 101 are distributed in a rectangular array at predetermined lateral intervals and predetermined longitudinal intervals, as shown in fig. 1 and 3, and the 8 LED lamp panel modules 101 form a matrix of 4 rows and 2 columns. Each LED lamp panel module 101 includes a piracy detection component 60. The piracy detection component 60 may detect whether the current LED lamp panel module 101 is abnormal, that is, whether the piracy is performed, where the piracy may be performed when the LED lamp panel is removed or not, and in the current technology, when the lamp panel in the LED lamp panel module 101 is removed or not, the video signal of the movie may still be transmitted to the data path of the LED lamp panel module 101, and the video signal may be obtained after the lamp panel of the LED lamp panel module 101 is removed, so as to perform the piracy. When the LED lamp panel module 101 is not removed or the LED lamp panel module 101 is normally installed, the LED box 70 end is not exposed to the outside without wires and connectors, and thus, piracy cannot be performed.

Further, as shown in fig. 5, the piracy detection component 60 includes a base 602 and a spring 601; one end (may be referred to as a connection end) of the elastic sheet 601 is connected to one end of the base 602; the base 602 is further provided with a contact 6021 and a pin 6022; the piracy detection component 60 is electrically connected with the monitoring controller 20 through the pin 6022; the piracy detection component 60 is arranged on one side of the LED lamp panel module 101 through the base 602; when the LED lamp panel module 101 corresponding to the piracy detection component 60 is not removed, the other end of the elastic sheet 601 contacts with the contact 6021; when the LED lamp panel module 101 corresponding to the piracy detection component 60 is removed, the other end of the elastic sheet 601 is separated from the contact 6021.

The base 602 of the piracy detection component 60 is fixed on one side of the LED lamp panel module 101 through a screw, the LED lamp panel module 101 is installed on the module installation frame 80 through a magnetic attraction mode, the elastic sheet 601 at the top end of the piracy detection component 60 is pressed between the LED lamp panel module 101 and the module installation frame 80, when the LED lamp panel module 101 corresponding to the piracy detection component 60 works normally, namely is not removed, the elastic sheet 601 is pressed by the module installation frame 80, so that the other end of the elastic sheet 601 opposite to the connecting end contacts with the contact 6021, the piracy detection component 60 transmits normal signals to the monitoring controller 20 through the pins 6022, when the LED lamp panel module 101 corresponding to the piracy detection component 60 is removed, the other end of the elastic sheet 601 on the piracy detection component 60 is separated from the contact 6021, signals of the monitoring controller 20 change, and therefore, whether the transmitted signals are normal or not can be monitored by adopting a mode of high-low level change, for example, when the LED lamp panel module 101 is in a state, the corresponding to the low-level monitoring module 20 is in a state, and the signal of the monitoring controller 20 is not removed, and the signal is changed to a state when the monitoring controller is in a state of being in which the state of being installed. When the state signal corresponding to the monitoring controller 20 changes, a control signal is generated for controlling the output of the stop video signal and the output of the power supply.

Further, the LED movie screen anti-piracy device further comprises an LED video transmitting card 50, and the LED video transmitting card 50 is electrically connected with the LED box 70. The LED cinema screen may be composed of one or more LED boxes 70, and when there are a plurality of LED boxes 70, one LED video transmission card 50 outputs video to the plurality of LED boxes 70.

Further, the monitoring controller 20 includes a coding and enabling component, and an input end of the coding and enabling component is electrically connected to an output end of the LED lamp panel module 101; the output of the encoding and enabling component includes an enable output that is electrically connected to an input of the power supply component 30. As shown in fig. 2 and 4, after the monitoring controller 20 monitors the status monitoring signal sent by the piracy detection component 60, the coding and enabling component in the monitoring controller 20 identifies the specific position of the LED lamp panel module 101, converts the position information of the LED lamp panel module 101 into an address signal through the coding and enabling component, and simultaneously generates an enabling signal to send an instruction to the power supply component 30 to cut off the power supply of the power supply component 30 to the LED box display unit 10.

Further, the LED box 70 further includes an LED video receiving card 40, the LED video transmitting card 50 is electrically connected to the LED video receiving card 40, and the LED video receiving card 40 is electrically connected to the power supply unit 30 and the monitoring controller 20, respectively. As shown in fig. 1, the monitoring controller 20 recognizes that the LED lamp panel module 101 has a piracy according to the status monitoring signal, the monitoring controller 20 sends a control signal to the LED video receiving card 40, and after the LED video receiving card 40 receives the control signal sent by the monitoring controller 20, the sending of the video signal to the LED box display unit 10 is stopped, so that the LED box display unit 10 has no video signal input, the stopping of the broadcasting of the LED box display unit in the box is realized, and meanwhile, the LED video sending card 50 feeds back to the LED video sending card 50 the status signal that the LED lamp panel module 101 has the piracy, and the LED video sending card 50 records the received status signal. After receiving the status signal, the LED video transmitting card transmits a power-off instruction to the LED box 70 with piracy abnormality, the power-off instruction is transmitted to the monitoring controller 20, the monitoring controller 20 transmits a control signal to the power supply unit 30, and the power supply unit cuts off the power supply to the LED video receiving card 40 and the LED box 70 display unit 10 in the current LED box 70.

The monitoring controller 20 can monitor and identify whether a plurality of LED lamp panel modules 101 are subject to piracy at the same time. When the monitoring identifies that a certain number of LED lamp panel modules 101 are subject to piracy (for example, more than 15 LED lamp panel modules), the monitoring controller 20 sends a plurality of LED lamp panel module abnormality feedback signals to the LED video sending card 50, after the LED video sending card receives the plurality of LED lamp panel module abnormality feedback signals, the LED video sending card 50 stops outputting video signals, and stops the film playing of the whole screen, meanwhile, the LED video sending card 50 sends power-off instructions to all the LED boxes 70, the power-off instructions are transmitted to the monitoring controller 20 in each LED box 70, the monitoring controller 20 sends control signals to the power supply component 30, and the power supply component 30 cuts off the power supply to the LED video receiving card 40 and the LED box display unit 10 in the current LED box 70.

The LED movie screen with multiple boxes can identify the position of the LED lamp panel module 101 by combining the address of the LED box display unit 10 and the address of the LED lamp panel module 101. In the case of this embodiment, the output of the encoding and enabling means also comprises an address output; the address output is electrically connected to the LED video receiving card 40. As shown in fig. 2, the address output end of the monitoring controller 20 is electrically connected with the LED video receiving card 40, and the LED video receiving card 40 can obtain the address information of the LED lamp panel module 101 subjected to piracy in the LED box display unit 10.

Further, the LED box 70 further includes an LED video receiving card 40, the LED video transmitting card 50 is electrically connected to the LED video receiving card 40 and the monitor controller 20, and the LED video receiving card 40 is electrically connected to the power supply unit 30 and the LED box display unit 10, respectively. As shown in fig. 3, the monitoring controller 20 recognizes that the LED lamp panel module 101 has a piracy according to the state monitoring signal, the monitoring controller 20 sends a signal to the LED video sending card 50 through the control signal line, and after the LED video sending card 50 receives the signal, the sending of the video signal is stopped, and then all LED boxes of the movie screen cannot receive the video signal input, so that the playing of the whole screen movie is stopped; meanwhile, the LED video transmitting card transmits a power-off instruction to all the LED boxes 70, the power-off instruction is transmitted to the monitoring controller 20 in each LED box 70, the monitoring controller 20 transmits a control signal to the power supply component 30, and the power supply component 30 cuts off power supply to the LED video receiving card 40 and the LED box display unit 10 in the current LED box 70.

In the case of this embodiment, the output of the encoding and enabling means also comprises an address output; the address output is electrically connected to the LED video transmitter card 50. As shown in fig. 4, the address output end of the monitoring controller 20 is electrically connected with the LED video transmitting card 50, and the LED video receiving card 50 can obtain the address information of the LED lamp panel module 101 subjected to piracy in the LED box display unit 10. The LED video transmitting card 50 records the positions of the LED lamp panel modules 101, and the number of piracy behaviors of the LED lamp panel modules 101 can be counted through the records in the LED video transmitting card 50. The LED movie screen with multiple boxes can identify the position of the LED lamp panel module 101 by combining the address of the display unit of the LED box with the address of the LED lamp panel module 101.

The following describes the workflow under the two architectures of fig. 1 and 3 in a specific embodiment:

as shown in fig. 1, when a piracy occurs in a certain LED lamp panel module 101 in the LED box display unit 10, the piracy detection component 60 in the LED lamp panel module 101 generates a status monitoring signal, and transmits information to the monitoring controller 20 through the status monitoring signal line, the monitoring controller 20 sends a signal to the LED video receiving card 40 after receiving the status information, and the LED video receiving card 40 stops outputting a video signal to the LED box display unit 10 after receiving an instruction, so that the current LED box display unit 10 has no video content to play; meanwhile, the LED video receiving card 40 feeds back a signal to the LED video transmitting card 50, and meanwhile, the monitoring controller 20 transmits the status information to the LED video transmitting card 50 after passing through the LED video receiving card 40, and the LED video transmitting card 50 records and processes the received status information. If piracy abnormality occurs in one LED lamp panel module 101 in the LED display unit 10 through the state information, the LED video transmitting card 50 transmits a power-off instruction to the LED box 70 with the piracy abnormality, the power-off instruction is transmitted to the monitoring controller 20, the monitoring controller 20 transmits a control signal to the power supply component 30, and the power supply component cuts off power supply to the LED video receiving card 40 and the LED box display unit 10 in the current LED box 70; if the status information shows that piracy is abnormal in a plurality of (e.g. more than 5) LED lamp panel modules 101 in the LED display unit 10, the LED video transmitting card 50 stops outputting video signals to stop broadcasting of the LED movie screen, and simultaneously, the LED video transmitting card 50 transmits a power-off instruction to all the LED boxes 70, the power-off instruction is transmitted to the monitoring controller 20 of each LED box 70, the monitoring controller 20 transmits a control signal to the power supply part 30, and the power supply part 30 stops supplying power to the LED video receiving card 40 and the LED box display unit 10 in the LED box 70.

As shown in fig. 3, when a piracy occurs in a certain LED lamp panel module 101 in the LED box display unit 10, the piracy detection component 60 in the LED lamp panel module 101 generates a status monitoring signal, and transmits information to the monitoring controller 20 through the status monitoring signal line, the monitoring controller 20 sends a signal to the LED video transmitting card 50 after receiving the status information, the LED video transmitting card 50 stops sending a film video signal, and the whole LED film screen stops playing; meanwhile, the LED video transmitting card transmits a power-off instruction to all the LED boxes 70, the power-off instruction is transmitted to the monitoring controller 20 in each LED box 70, the monitoring controller 20 transmits a control signal to the power supply component 30, and the power supply component 30 cuts off power supply to the LED video receiving card 40 and the LED box display unit 10 in the current LED box 70.

Both architectures shown in fig. 1 and fig. 3 can realize the prevention of piracy of the LED box 70, and a user can choose to adopt architecture 1 or architecture 2 to perform the piracy prevention of the LED box 70 according to actual needs.

It should be understood that the specific order or hierarchy of steps in the processes disclosed are examples of exemplary approaches. Based on design preferences, it is understood that the specific order or hierarchy of steps in the processes may be rearranged without departing from the scope of the present disclosure. The accompanying method claims present elements of the various steps in a sample order, and are not meant to be limited to the specific order or hierarchy presented.

In the foregoing detailed description, various features are grouped together in a single embodiment for the purpose of streamlining the disclosure. This method of disclosure is not to be interpreted as reflecting an intention that the claimed embodiments of the subject matter require more features than are expressly recited in each claim. Rather, as the following claims reflect, utility model lies in less than all features of a single disclosed embodiment. Thus the following claims are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate preferred embodiment of this utility model.

The foregoing description includes examples of one or more embodiments. It is, of course, not possible to describe every conceivable combination of components or methodologies for purposes of describing the aforementioned embodiments, but one of ordinary skill in the art may recognize that many further combinations and permutations of various embodiments are possible. Accordingly, the embodiments described herein are intended to embrace all such alterations, modifications and variations that fall within the scope of the appended claims. Furthermore, as used in the specification or claims, the term "comprising" is intended to be inclusive in a manner similar to the term "comprising," as interpreted when employed as a transitional word in a claim. Furthermore, any use of the term "or" in the specification of the claims is intended to mean "non-exclusive or".

Those of skill in the art will further appreciate that the various illustrative logical blocks (illustrative logical block), units, and steps described in connection with the embodiments of the utility model may be implemented by electronic hardware, computer software, or combinations of both. To clearly illustrate this interchangeability of hardware and software, various illustrative components (illustrative components), elements, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design requirements of the overall system. Those skilled in the art may implement the described functionality in varying ways for each particular application, but such implementation is not to be understood as beyond the scope of the embodiments of the present utility model.

The various illustrative logical blocks or units described in the embodiments of the utility model may be implemented or performed with a general purpose processor, a digital signal processor, an Application Specific Integrated Circuit (ASIC), a field programmable gate array or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described. A general purpose processor may be a microprocessor, but in the alternative, the general purpose processor may be any conventional processor, controller, microcontroller, or state machine. A processor may also be implemented as a combination of computing devices, e.g., a digital signal processor and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a digital signal processor core, or any other similar configuration.

The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may be stored in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. In an example, a storage medium may be coupled to the processor such that the processor can read information from, and write information to, the storage medium. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an ASIC, which may reside in a user terminal. In the alternative, the processor and the storage medium may reside as distinct components in a user terminal.

In one or more exemplary designs, the above-described functions of embodiments of the present utility model may be implemented in hardware, software, firmware, or any combination of the three. If implemented in software, the functions may be stored on a computer-readable medium or transmitted as one or more instructions or code on the computer-readable medium. Computer readable media includes both computer storage media and communication media that facilitate transfer of computer programs from one place to another. A storage media may be any available media that can be accessed by a general purpose or special purpose computer. For example, such computer-readable media may include, but is not limited to, RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that may be used to carry or store program code in the form of instructions or data structures and other data structures that may be read by a general or special purpose computer, or a general or special purpose processor. Further, any connection is properly termed a computer-readable medium, e.g., if the software is transmitted from a website, server, or other remote source via a coaxial cable, fiber optic cable, twisted pair, digital Subscriber Line (DSL), or wireless such as infrared, radio, and microwave, and is also included in the definition of computer-readable medium. The disks (disks) and disks (disks) include compact disks, laser disks, optical disks, DVDs, floppy disks, and blu-ray discs where disks usually reproduce data magnetically, while disks usually reproduce data optically with lasers. Combinations of the above may also be included within the computer-readable media.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (9)

1. An LED cinema screen anti-piracy device, characterized in that the LED cinema screen comprises one or more LED boxes (70); the LED box body (70) comprises an LED box body display unit (10), a monitoring controller (20) and a power supply component (30);

a piracy detection component (60) for detecting whether the piracy is performed or not is arranged in the LED box display unit (10);

the monitoring controller (20) is electrically connected with the LED box display unit (10);

the power supply component (30) is respectively and electrically connected with the monitoring controller (20) and the LED box display unit (10);

the piracy detection component (60) is electrically connected with the monitoring controller (20).

2. The LED cinema screen anti-piracy device according to claim 1, wherein the LED box display unit (10) comprises a plurality of LED lamp panel modules (101), the plurality of LED lamp panel modules (101) being distributed in a rectangular array at predetermined lateral intervals and predetermined longitudinal intervals, each of the LED lamp panel modules (101) comprising one of the piracy detection means (60).

3. The LED cinema screen anti-piracy device according to claim 2, characterized in that said piracy detection means (60) comprises a base body (602) and a shrapnel (601); one end of the elastic sheet (601) is connected with one end of the base body (602); the base body (602) is also provided with a contact (6021) and a pin (6022); the piracy detection component (60) is electrically connected with the monitoring controller (20) through the pin (6022); the piracy detection component (60) is arranged on one side of the LED lamp panel module (101) through the base body (602); when the LED lamp panel module (101) corresponding to the piracy detection component (60) is not removed, the other end of the elastic sheet (601) is contacted with the contact (6021); when the LED lamp panel module (101) corresponding to the piracy detection component (60) is removed, the other end of the elastic piece (601) is separated from the contact (6021).

4. A LED cinema screen anti-piracy device according to claim 3, characterized in that it further comprises a LED video transmission card (50), said LED video transmission card (50) being electrically connected to said LED box (70).

5. The LED cinema screen anti-piracy device of claim 4, wherein the monitor controller (20) comprises a coding and enabling component, an input end of the coding and enabling component being electrically connected to an output end of the LED lamp panel module (101); the output of the encoding and enabling device comprises an enabling output, which is electrically connected to the input of the power supply unit (30).

6. The LED cinema screen anti-piracy device of claim 5, wherein the LED box (70) further comprises an LED video receiving card (40), the LED video transmitting card (50) is electrically connected with the LED video receiving card (40), and the LED video receiving card (40) is electrically connected with the power supply part (30) and the monitoring controller (20), respectively.

7. The LED cinema screen anti-piracy device of claim 5, wherein the LED box (70) further comprises an LED video receiving card (40), the LED video transmitting card (50) is electrically connected with the LED video receiving card (40) and the monitor controller (20), respectively, the LED video receiving card (40) is electrically connected with the power supply unit (30) and the LED box display unit (10), respectively.

8. The LED cinema screen anti-piracy device of claim 6 wherein the output of the encoding and enabling component further comprises an address output; the address output terminal is electrically connected with the LED video receiving card (40).

9. The LED cinema screen anti-piracy device of claim 7 wherein the output of the encoding and enabling component further comprises an address output; the address output is electrically connected to the LED video transmission card (50).