CN111464803A - Display control system - Google Patents
Display control system Download PDFInfo
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- CN111464803A CN111464803A CN202010299450.0A CN202010299450A CN111464803A CN 111464803 A CN111464803 A CN 111464803A CN 202010299450 A CN202010299450 A CN 202010299450A CN 111464803 A CN111464803 A CN 111464803A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
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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
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/3144—Cooling systems
Abstract
The application is suitable for the technical field of display control and provides a display control system. The control module in the embodiment of the application is used for acquiring the projection switch signal and the video switch signal and processing the projection switch signal and the video switch signal to obtain the control signal; the display processing module is respectively connected with the control module and the data processing module and used for acquiring a control signal and sending the multimedia data to the data processing module according to the control signal; the data processing module is used for acquiring multimedia data and converting the multimedia data into a format conforming to a projection protocol according to the projection protocol; the projection control module is respectively connected with the data processing module and the projection display module and used for acquiring the processed multimedia data and sending the processed multimedia data to the projection display module, and the problem that the operation is complex when people watch the multimedia data on a large screen is solved in the process.
Description
Technical Field
The application belongs to the technical field of display control, and particularly relates to a display control system.
Background
Along with the continuous improvement of science and technology development level, the screen display function that utilizes terminal equipment carries out operations such as meeting, sight shadow, long-range class in people's life more and more common, and because terminal equipment's screen is general less, if want to carry out the large screen and watch then need show through external device, and it is more loaded down with trivial details to utilize external device to carry out the large screen and watch the operation, causes people not very comfortable going to use.
Disclosure of Invention
The embodiment of the application provides a display control system, which can solve the problem that the operation is complex when people carry out large-screen watching.
The embodiment of the application provides a display control system, which comprises a control module, a display processing module, a data processing module, a projection control module and a projection display module;
the control module is used for acquiring a projection switch signal and a video switch signal and processing the projection switch signal and the video switch signal to obtain a control signal;
the display processing module is respectively connected with the control module and the data processing module and is used for acquiring the control signal and sending multimedia data to the data processing module according to the control signal;
the data processing module is used for acquiring the multimedia data and converting the multimedia data into a format conforming to a projection protocol according to the projection protocol;
the projection control module is respectively connected with the data processing module and the projection display module and is used for acquiring the processed multimedia data and sending the processed multimedia data to the projection display module.
Optionally, the projection display module comprises L ED driving unit and DMD unit;
the DMD unit is connected with the projection control module and is used for acquiring the processed multimedia data;
the L ED driving unit is connected with the projection control module and used for acquiring projection parameters in the projection control module and performing projection display according to the projection parameters.
Optionally, the display control system further includes a power supply module;
the power supply module is respectively connected with the control module and the L ED driving unit, and is used for acquiring the control signal sent by the control module and providing power to the L ED driving unit according to the control signal.
Optionally, the display control system further includes a first display module;
the display processing module is respectively connected with the control module and the first display module, and is used for acquiring the control signal and sending the multimedia to the first display module according to the control signal.
Optionally, the display control system further includes an audio decoding module, a high-frequency processing module, a low-frequency processing module, and a speaker;
the audio decoding module acquires audio information, decodes the audio information and then sends the decoded audio information to the high-frequency processing module connected with the audio decoding module; the high-frequency processing module processes the decoded audio information into first audio information and sends the first audio information to a loudspeaker connected with the high-frequency processing module;
the audio decoding module acquires audio information, decodes the audio information and then sends the decoded audio information to a low-frequency processing module connected with the audio decoding module; and the low-frequency processing module processes the decoded audio information into second audio information and sends the second audio information to a loudspeaker connected with the low-frequency processing module.
Optionally, the high frequency processing module includes a high pass filter and a first power amplifier;
the high-pass filter acquires the decoded audio information, performs filtering processing to generate high-pass filtering information, and sends the high-pass filtering information to a first power amplifier connected with the high-pass filtering information;
and the first power amplifier acquires the high-pass filtering information and performs amplification processing to generate first audio information.
Optionally, the low frequency processing module includes a low pass filter and a second power amplifier;
the low-pass filter acquires the decoded audio information, performs filtering processing to generate low-pass filtering information, and sends the low-pass filtering information to a second power amplifier connected with the low-pass filtering information;
and the second power amplifier acquires the low-pass filtering information and performs amplification processing to generate second audio information.
Optionally, the display control system further includes a second display module;
the display processing module is connected with the second display module and used for acquiring a hot plug detection signal and sending the multimedia data to the second display module according to the hot plug detection signal.
Optionally, the display control system further includes a switching tube;
the switch tube is connected with the display processing module and used for acquiring the hot plug detection signal and controlling the power amplifier connected with the switch tube according to the hot plug detection signal.
Optionally, the display control system further includes a heat dissipation module;
the heat dissipation module is connected with the control module and used for acquiring the instruction signal of the control module and performing heat dissipation operation according to the instruction signal.
The control module in the embodiment of the application is used for acquiring a projection switch signal and a video switch signal and processing the projection switch signal and the video switch signal to obtain a control signal; the display processing module is respectively connected with the control module and the data processing module and is used for acquiring the control signal and sending multimedia data to the data processing module according to the control signal; the data processing module is used for acquiring the multimedia data and converting the multimedia data into a format conforming to a projection protocol according to the projection protocol; the projection control module is respectively connected with the data processing module and the projection display module and is used for acquiring the processed multimedia data and sending the processed multimedia data to the projection display module. The switching signal generates the control signal through the embodiment of the application, so that the multimedia data are controlled to be displayed, and then the multimedia data are sent to the data processing module according to the control signal, so that the data processing module processes the multimedia data to enable the multimedia data to be changed into a format suitable for projection, and then the processed multimedia data are sent to the projection control module to control the multimedia data to be projected and displayed through the projection control module, so that the integrated projection display of the terminal equipment is realized, and the problem of complex operation when people watch the large screen is solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic diagram of a first structure of a display control system according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a second structure of a display control system according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a third structure of a display control system according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a fourth structure of a display control system according to an embodiment of the present application;
FIG. 5 is a schematic diagram of a fifth configuration of a display control system according to an embodiment of the present application;
FIG. 6 is a schematic structural diagram of a high-pass filter provided in an embodiment of the present application;
FIG. 7 is a schematic structural diagram of a low-pass filter provided in an embodiment of the present application;
fig. 8 is a control switching table of a display control system provided in an embodiment of the present application;
fig. 9 is a schematic view of a sound control structure of a display control system according to an embodiment of the present application;
FIG. 10 is a diagram illustrating a sixth configuration of a display control system according to an embodiment of the present application;
fig. 11 is a schematic diagram of a seventh structure of a display control system according to an embodiment of the present application.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It should also be understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As used in this specification and the appended claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to" determining "or" in response to detecting ". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".
Furthermore, in the description of the present application and the appended claims, the terms "first," "second," "third," and the like are used for distinguishing between descriptions and not necessarily for describing or implying relative importance.
Fig. 1 is a schematic structural diagram of a display control system in an embodiment of the present application, and as shown in fig. 1, the display control system may include a control module 10, a display processing module 20, a data processing module 30, a projection control module 40, and a projection display module 50.
The control module 10 is configured to obtain a projection switch signal and a video switch signal, and process the projection switch signal and the video switch signal to obtain a control signal.
In a specific application, the control module 10 jointly processes the acquired projection switch signal and the video switch signal to obtain a control signal for controlling the display end, wherein the projection switch signal is a switch signal for controlling the projection function, if the projection function is required to be used, the projection switch needs to be pressed, and at this time, a data receiving end of the control module 10 generates a projection switch signal, so that the control module 10 sends a module control signal related to projection according to the projection switch signal to turn on the projection function; the video selector switch signal is used for controlling the display end of the terminal equipment to display, when the video selector switch is pressed, a pulse is generated, the control module generates a control signal for controlling a display module capable of displaying in the terminal equipment according to the number of the pulses received by the data receiving end according to the preset logic and in combination with the projection switch signal, and the display ends can only display one single display end or simultaneously display in a mode of combining different display ends according to the difference of the control signal; the display end comprises but is not limited to a display screen of the terminal equipment, an external display screen connected through an HDMI bus, a projection module capable of performing projection display and the like; the control module 10 can be used for timing control and other function-related control of the whole terminal device.
The display processing module is respectively connected to the control module 10 and the data processing module, and is configured to obtain the control signal and send multimedia data to the data processing module 30 according to the control signal.
In a specific application, the display processing module 20 obtains a control signal sent by the control module 10, and a data processing module 30 for judging according to the control signal, if the signal for projection display in the control signal is high level, the multimedia data is required to be sent to the data processing module, the data is further processed by the data processing module 30 to realize projection display, wherein, the multimedia data can be acquired through various aspects such as local, external device, network downloading, etc., the display processing module 20 can be connected with the CPU through the PCIE bus to acquire the multimedia data required by the user, convert the multimedia data, and sending the converted multimedia data to a display module according to a corresponding protocol so as to carry out correct display, wherein the display module comprises a projection display module, a first display module and a second display module.
Optionally, the display processing module 20 and the data processing module 30 may be connected through an HDMI bus.
The data processing module 30 is configured to obtain the multimedia data, and convert the multimedia data into a format conforming to a projection protocol according to the projection protocol.
In a specific application, the data processing module 30 obtains multimedia data sent by the display processing module 20, converts the obtained multimedia data into a format conforming to the projection protocol according to a corresponding projection protocol, and then sends the processed multimedia data to the projection control module, wherein the multimedia data includes, but is not limited to, data for displaying items, such as video data, audio data, and the like; the projection protocol is a relevant protocol used for projection, and converts multimedia data into a corresponding format.
Alternatively, the multimedia data may be converted into 24-bit parallel data to conform to the projection protocol.
The projection control module 40 is connected to the data processing module 30 and the projection display module, respectively, and is configured to obtain processed multimedia data and send the processed multimedia data to the projection display module 50.
In a specific application, the projection control module 40 obtains the multimedia data processed by the data processing module 30, sends the processed multimedia data to the projection display module 50, and then controls the projection display module 50 accordingly, thereby implementing projection display.
Optionally, as shown in fig. 2, the projection display module 50 includes L ED driving unit 501 and DMD unit 502;
the DMD unit is connected to the projection control module 40, and is configured to obtain the processed multimedia data.
The L ED driving unit is connected to the projection control module 40, and is configured to acquire projection parameters in the projection control module 40 and perform projection display according to the projection parameters.
In a specific application, the projection display module includes L ED driving unit and DMD unit, where the DMD unit obtains processed multimedia data for display, the L ED driving unit obtains projection parameters in the projection control module 40, and performs corresponding operations according to the obtained projection parameters, so that light emitted from the L ED driving unit is irradiated on the DMD module, and then reflected and projected to a place where display is available, such as a white board, a curtain, a background wall, etc., so as to implement projection display, and a larger screen is presented, where the projection parameters are parameters for driving the L ED driving unit to perform projection, the DMD is a digital micromirror device, and is a semiconductor composed of hundreds of thousands to several micron-sized micro mirrors, each mirror corresponds to one pixel, and a image is projected by reflecting light from a light source.
It can be understood that the above process can provide technical support of high definition large screen as a home small cinema; when a meeting needs to be held in work, the support of large-screen projection can be improved, the problems of insufficient meeting rooms or insufficient resources of HDMI displays are avoided, and projection can be carried out at any time as long as a place capable of presenting a projection effect is available; when a user needs to go to a class remotely during learning, the learning experience and the eye vision protection can be improved through screen projection; sometimes, there is no external large screen display nearby, or when the large screen display fails, extra large screen projection equipment capable of being externally connected needs to be purchased, so that the cost for the user to view the large screen is high, and the problem can be solved through the integrated projection display.
Optionally, L ED lamps needed in the L ED driving unit can be red, green and blue, and can form full colors in projection display, and a 0.32inch micro-sized chip can be used in the DMD module, so that the whole size is reduced, and the integral viewing resolution can reach 1080P.
Optionally, the L ED driving unit and the projection control module 40 may be connected by an SPI bus, and may configure information related to current parameters of the lamp.
Optionally, the display control system further includes a power supply module 60;
the power supply module is respectively connected to the control module 10 and the L ED driving unit, and is configured to obtain the control signal sent by the control module 10, and provide power to the L ED driving unit according to the control signal.
In a specific application, the power supply system may determine whether to provide power to the L ED driving unit according to the control signal sent by the control module 10 connected thereto, and if it is determined that the control signal obtained by the power supply system includes performing projection display, provide power to the L ED driving unit.
Optionally, as shown in fig. 3, the display control system further includes a first display module 70;
the display processing module 20 is connected to the control module 10 and the first display module, and configured to obtain the control signal, and send the multimedia to the first display module 70 according to the control signal.
In a specific application, the display processing module 20 obtains the control signal sent by the control module 10, and determines according to the control signal, if a signal displayed by the first display module 70 in the control signal is a high level, the multimedia data needs to be sent to the first display module 70 connected to the first display module 70, and then the data is processed by an internal chip of the first display module 70 to further realize data display, where the first display module 70 is a display screen carried by the terminal device itself, and the display screen may be a liquid crystal display screen.
Alternatively, the display processing module 20 and the data processing module 30 may be connected via L VDS bus.
Optionally, as shown in fig. 4 and 5, the display control system further includes an audio decoding module 90, a high frequency processing module 100, a low frequency processing module 120, and a speaker 110;
the audio decoding module acquires audio information, decodes the audio information and then sends the decoded audio information to the high-frequency processing module connected with the audio decoding module; the high frequency processing module 100 processes the decoded audio information into first audio information, and sends the first audio information to a speaker connected to the high frequency processing module.
In a specific application, as shown in fig. 4, the audio decoding module 90 obtains audio information, decodes the obtained audio information to obtain audio information of two channels, and then sends the decoded audio information to the high frequency processing module 100 connected to the audio decoding module 90 in two ways, and the high frequency processing module 100 further performs corresponding high pass filtering on the decoded audio information to filter a low frequency part and leave a high frequency part to obtain first audio information, and then sends the first audio information to the speaker 110 connected to the high frequency processing module 100 for playing a high frequency part, where the audio information can be obtained in various ways, such as local, external device, internet download, and the like, and the audio decoding module 90 can send the audio information to the terminal device through the connection of the HDA bus.
It can be understood that the audio information is decoded by the audio decoding module 90 and then divided into two channels, and then the high-pass filtering processing is performed on the audio information of the two channels, so as to play the audio information as two high tones.
The audio decoding module 90 acquires audio information, decodes the audio information, and sends the decoded audio information to a low-frequency processing module connected with the audio decoding module; the low frequency processing module 120 processes the decoded audio information into second audio information, and sends the second audio information to the speaker 110 connected thereto.
In a specific application, as shown in fig. 5, the audio decoding module 90 obtains audio information, decodes the obtained audio information to obtain audio information of two channels, and then sends the decoded audio information to the low frequency processing module 120 connected to the audio decoding module, and the low frequency processing module 120 then performs corresponding low pass filtering on the decoded audio information to filter a high frequency part and leave a low frequency part, so as to obtain second audio information, and then sends the second audio information to the speaker 110 connected to the low frequency processing module 120 to perform sound playing of the low frequency part.
It can be understood that the audio decoding module 90 decodes the audio information and divides the decoded audio information into two channels, and then combines the audio information of the two channels together to perform low-pass filtering processing, so as to play the audio information as a bass.
It can be understood that, through the two-way high-pass filtering and the one-way low-pass filtering, three loudspeakers play with two high and one low sounds, and stereo playing of 2.1 sound channels can be realized.
Optionally, the high frequency processing module 100 includes a high pass filter and a first power amplifier;
and the high-pass filter acquires the decoded audio information, performs filtering processing to generate high-pass filtering information, and sends the high-pass filtering information to a first power amplifier connected with the high-pass filtering information.
And the first power amplifier acquires the high-pass filtering information and performs amplification processing to generate first audio information.
In a specific application, the high-frequency processing module 100 includes a high-pass filter and a first power amplifier, acquires decoded audio information through the high-pass filter, performs high-pass filtering on the decoded audio information, filters out low-frequency components, and leaves a high-frequency component, thereby generating high-pass filtered information, and sends the high-pass filtered information to the first power amplifier connected thereto, and amplifies sound, thereby finally generating first audio information. Wherein, the high-pass filter is composed of an operational amplifier, as shown in fig. 6.
Optionally, the low frequency processing module 120 includes a low pass filter and a second power amplifier;
and the low-pass filter acquires the decoded audio information, performs filtering processing to generate low-pass filtering information, and sends the low-pass filtering information to a second power amplifier connected with the low-pass filtering information.
And the second power amplifier acquires the low-pass filtering information and performs amplification processing to generate second audio information.
In a specific application, the low frequency processing module 120 includes a low pass filter and a second power amplifier, acquires the decoded audio information through the low pass filter, performs low pass filtering on the decoded audio information, filters out a high frequency part, and leaves a low frequency part, thereby generating low pass filtered information, and sends the low pass filtered information to the second power amplifier connected thereto, and amplifies the sound, thereby finally generating the second audio information. The low-pass filter is composed of an operational amplifier, as shown in fig. 7.
Optionally, the display control system further includes a second display module 80;
the display processing module 20 is connected to the second display module 80, and configured to acquire a hot plug detection signal and send the multimedia data to the second display module 80 according to the hot plug detection signal.
In a specific application, the display processing module 20 obtains a hot plug detection signal generated when the connection with the second display module 80 is successful, sends the multimedia data to the second display module 80 connected to the multimedia data according to the obtained hot plug detection signal, and further processes the data through an internal chip of the second display module 80 to further realize data display, wherein the second display module 80 is an external display screen, and may be one, or two or more.
Alternatively, when the second display module 80 is used for displaying, a speaker externally connected to the display may be used for emitting sound.
Optionally, the display processing module 20 and the data processing module 30 may be connected through an HDMI bus.
By way of specific example and not limitation, as shown in fig. 8, the SW1 signal is a projection switch signal, which is not currently pressed, i.e., the projection display function is in an off state, and the signal is at a high level, and when the SW1 signal is pressed, i.e., the projection display function is in an on state, the signal is at a low level. The SW2 signal is a video switch signal that goes high when no compression is present and generates a pulse signal after compression. The HPD1 signal is a hot plug detection signal of the projection module, and is low when not turned on, and when the projector switch is turned on, the HPD1 signal is high and changes with the change of the SW1 signal. The GPIO1 signal is a control signal sent to the display processing module 20 by the control module 10 after being processed according to the current SW1 signal and SW2 signal, and controls the projection display. The GPIO2 signal is a control signal sent to the display processing module 20 after being processed by the control module 10 according to the current SW1 signal and SW2 signal, and controls the display screen carried by the terminal device itself to display. The HPD2 signal is a hot plug detection signal detected by the external display screen, and when the external display screen is not connected, the signal is at a low level, and when the external display screen is connected, the signal is at a high level.
Optionally, the display control system further includes a switching tube;
the switch tube is connected with the display processing module 20, and is configured to acquire the hot plug detection signal and control the power amplifier connected thereto according to the hot plug detection signal.
In a specific application, the switch tube acquires a hot plug detection signal obtained by connecting the display processing module 20, and judges the acquired hot plug detection signal, if the hot plug detection signal is at a high level, that is, the display processing module 20 is successfully connected with the second display module 80, the switch tube forms a cut-off circuit, so that sound playing in the terminal device is suppressed, and sound playing can be performed by a sound playing module externally connected with a display; if the hot plug detection signal is low, that is, the connection between the display processing module 20 and the second display module 80 is unsuccessful, the switch tube forms a conducting circuit, so that sound playing is performed through the inside of the terminal device, the sound production of the speaker 110 in the terminal device can be 2.1 sound channels, and when sound playing is performed, sound and display are performed synchronously according to a clock, or sound playing can be performed independently.
Optionally, as shown in fig. 9, the switch tube may be an NMOS tube, a gate of the NMOS tube is connected to the display processing module 20, and according to a hot plug signal sent by the display processing module 20, the NMOS tube is turned on and off to control on and off of three power amplifiers performing sound playing of 2.1 channels, where the first power amplifier performs sound playing of a high frequency part and the second power amplifier performs sound playing of a low frequency part. When the external display screen is inserted, the current hot plug signal is at a high level, the NMOS tube is conducted, and the three power amplifiers are closed, so that 2.1 sound channel sounds are shielded; when the external display screen is not inserted, the current hot plug signal is low, the NMOS tube is cut off, the three power amplifiers are turned on, and 2.1 sound channels in the terminal equipment are used for playing sound.
Optionally, the display control system further includes a heat dissipation module;
the heat dissipation module is connected to the control module 10, and is configured to obtain an instruction signal of the control module 10 and perform a heat dissipation operation according to the instruction signal.
In a specific application, the heat dissipation module is configured to obtain the instruction signal sent by the control module 10, and then perform a heat dissipation operation according to the instruction signal, where the control module 10 may send the instruction signal to the heat dissipation module to perform the heat dissipation operation while performing the display operation, or send the instruction signal to the heat dissipation module to perform the heat dissipation operation after a certain period of time of performing the display operation.
Optionally, the embodiment of the application may be designed on a processor of a soar platform, so as to implement multiple functions of projection display, audio playing with 2.1 channels, display switching, and the like.
Optionally, as shown in fig. 10, the terminal device capable of performing projection includes a computer case, a motherboard, a speaker 110, a liquid crystal display, a cooling fan, a solid state disk, a wireless network card, a camera, a memory, and the like, and the motherboard includes a soar CPU, a clock generation chip, AN audio decoding module 90, AN earphone interface, a speaker 110 interface, a display processing module 20, a data processing module 30, a projection control module 40, AN L ED lamp driving module, a DMD module, a cooling module, a control module, and the like.
The control module in the embodiment of the application is used for acquiring a projection switch signal and a video switch signal and processing the projection switch signal and the video switch signal to obtain a control signal; the display processing module is respectively connected with the control module and the data processing module and is used for acquiring the control signal and sending multimedia data to the data processing module according to the control signal; the data processing module is used for acquiring the multimedia data and converting the multimedia data into a format conforming to a projection protocol according to the projection protocol; the projection control module is respectively connected with the data processing module and the projection display module and is used for acquiring the processed multimedia data and sending the processed multimedia data to the projection display module. The switching signal generates the control signal through the embodiment of the application, so that the multimedia data are controlled to be displayed, and then the multimedia data are sent to the data processing module according to the control signal, so that the data processing module processes the multimedia data to enable the multimedia data to be changed into a format suitable for projection, and then the processed multimedia data are sent to the projection control module to control the multimedia data to be projected and displayed through the projection control module, so that the integrated projection display of the terminal equipment is realized, and the problem of complex operation when people watch the large screen is solved.
Fig. 11 is a schematic structural diagram of a display control system according to an embodiment of the present application. For convenience of explanation, only portions related to the embodiments of the present application are shown.
As shown in fig. 11, the display control system 11 of this embodiment includes: at least one processor 1100 (only one shown in fig. 11), a memory 1101 connected to the processor 1100, and a computer program 1102, such as a display control program, stored in the memory 1101 and executable on the at least one processor 1100.
Illustratively, the computer program 1102 may be partitioned into one or more modules that are stored in the memory 1101 and executed by the processor 1100 to accomplish the present application. The one or more modules may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution of the computer program 1102 in the display control system 11.
The display control system 11 may include, but is not limited to, a processor 1100, a memory 1101. Those skilled in the art will appreciate that fig. 11 is merely an example of the display control system 11, and does not constitute a limitation of the display control system 11, and may include more or less components than those shown, or combine some components, or different components, such as input output devices, network access devices, buses, etc.
The Processor 1100 may be a Central Processing Unit (CPU), and the Processor 1100 may be other general-purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 1101 may in some embodiments be an internal storage unit of the display control system 11, such as a hard disk or a memory of the display control system 11. the memory 1101 may in other embodiments also be an external storage device of the display control system 11, such as a plug-in hard disk provided on the display control system 11, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), etc. further, the memory 1101 may also include both an internal storage unit and an external storage device of the display control system 11. the memory 1101 may be used to store an operating system, application programs, a Boot loader (Boot L loader), data and other programs, such as program code of the computer program, etc. the memory 1101 may also be used to temporarily store data that has been or will be output.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus/display control system and method may be implemented in other ways. For example, the above-described embodiments of the apparatus/display control system are merely illustrative, and for example, the division of the modules or units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, all or part of the processes in the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium and can implement the steps of the embodiments of the methods described above when the computer program is executed by a processor. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer readable medium may include at least: any entity or device capable of carrying computer program code to a photographing device/display control system, a recording medium, computer Memory, Read-Only Memory (ROM), random-access Memory (RAM), an electrical carrier signal, a telecommunications signal, and a software distribution medium. Such as a usb-disk, a removable hard disk, a magnetic or optical disk, etc. In certain jurisdictions, computer-readable media may not be an electrical carrier signal or a telecommunications signal in accordance with legislative and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (10)
1. A display control system is characterized by comprising a control module, a display processing module, a data processing module, a projection control module and a projection display module;
the control module is used for acquiring a projection switch signal and a video switch signal and processing the projection switch signal and the video switch signal to obtain a control signal;
the display processing module is respectively connected with the control module and the data processing module and is used for acquiring the control signal and sending multimedia data to the data processing module according to the control signal;
the data processing module is used for acquiring the multimedia data and converting the multimedia data into a format conforming to a projection protocol according to the projection protocol;
the projection control module is respectively connected with the data processing module and the projection display module and is used for acquiring the processed multimedia data and sending the processed multimedia data to the projection display module.
2. The display control system of claim 1, wherein the projection display module comprises an L ED driver cell and a DMD cell;
the DMD unit is connected with the projection control module and is used for acquiring the processed multimedia data;
the L ED driving unit is connected with the projection control module and used for acquiring projection parameters in the projection control module and performing projection display according to the projection parameters.
3. The display control system of claim 2, further comprising a power supply module;
the power supply module is respectively connected with the control module and the L ED driving unit, and is used for acquiring the control signal sent by the control module and providing power to the L ED driving unit according to the control signal.
4. The display control system of claim 1, further comprising a first display module;
the display processing module is respectively connected with the control module and the first display module, and is used for acquiring the control signal and sending the multimedia to the first display module according to the control signal.
5. The display control system of claim 1, further comprising an audio decoding module, a high frequency processing module, a low frequency processing module, and a speaker;
the audio decoding module acquires audio information, decodes the audio information and then sends the decoded audio information to the high-frequency processing module connected with the audio decoding module; the high-frequency processing module processes the decoded audio information into first audio information and sends the first audio information to a loudspeaker connected with the high-frequency processing module;
the audio decoding module acquires audio information, decodes the audio information and then sends the decoded audio information to a low-frequency processing module connected with the audio decoding module; and the low-frequency processing module processes the decoded audio information into second audio information and sends the second audio information to a loudspeaker connected with the low-frequency processing module.
6. The display control system of claim 5, wherein the high frequency processing module comprises a high pass filter and a first power amplifier;
the high-pass filter acquires the decoded audio information, performs filtering processing to generate high-pass filtering information, and sends the high-pass filtering information to a first power amplifier connected with the high-pass filtering information;
and the first power amplifier acquires the high-pass filtering information and performs amplification processing to generate first audio information.
7. The display control system of claim 5, wherein the low frequency processing module comprises a low pass filter and a second power amplifier;
the low-pass filter acquires the decoded audio information, performs filtering processing to generate low-pass filtering information, and sends the low-pass filtering information to a second power amplifier connected with the low-pass filtering information;
and the second power amplifier acquires the low-pass filtering information and performs amplification processing to generate second audio information.
8. The display control system of claim 5, further comprising a second display module;
the display processing module is connected with the second display module and used for acquiring a hot plug detection signal and sending the multimedia data to the second display module according to the hot plug detection signal.
9. The display control system of claim 8, further comprising a switching tube;
the switch tube is connected with the display processing module and used for acquiring the hot plug detection signal and controlling the power amplifier connected with the switch tube according to the hot plug detection signal.
10. The display control system of claim 1, further comprising a heat dissipation module;
the heat dissipation module is connected with the control module and used for acquiring the instruction signal of the control module and performing heat dissipation operation according to the instruction signal.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114612285A (en) * | 2022-02-21 | 2022-06-10 | 深圳市磐鼎科技有限公司 | Multi-output display card equipment based on Feiteng platform |
Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060149401A1 (en) * | 2004-12-30 | 2006-07-06 | Chul Chung | Integrated audio video signal processing system using centralized processing of signals |
| US20070065094A1 (en) * | 2005-09-21 | 2007-03-22 | Coretronic Corporation | Multimedia projection apparatus and playing method thereof |
| CN1968396A (en) * | 2005-11-14 | 2007-05-23 | 英保达股份有限公司 | Integrated audio/video network phone system |
| CN201274572Y (en) * | 2008-10-10 | 2009-07-15 | 张凡 | Multimedia acoustic system having audio digital interface |
| CN201707801U (en) * | 2010-05-17 | 2011-01-12 | 成都时代诺亚舟教育软件有限公司 | Handheld learning device with embedded miniature projector |
| CN101959024A (en) * | 2009-07-21 | 2011-01-26 | 侯锋 | Multimedia router |
| CN102183993A (en) * | 2011-04-15 | 2011-09-14 | 西安友米光电科技有限公司 | Portable PC (personal computer) system formed by combining mini projector with mobile phone |
| CN202050493U (en) * | 2011-03-09 | 2011-11-23 | 上海大学 | Video post-processing platform based on HDMI (high-definition multimedia interface) interface |
| CN202068551U (en) * | 2011-05-17 | 2011-12-07 | 泾县祥盛科技有限公司 | Decoding sound circuit |
| US20120064758A1 (en) * | 2010-09-09 | 2012-03-15 | Grice Michael E | HDMI Plug and Cable Assembly |
| CN102446049A (en) * | 2010-10-11 | 2012-05-09 | 梁宇杰 | Device and method for cursor operation induction processing and using external display devices to display information |
| CN202394402U (en) * | 2011-12-14 | 2012-08-22 | 广州兆威电子科技开发有限公司 | Multifunctional demonstration audiovisual education equipment |
| CN103248984A (en) * | 2013-04-17 | 2013-08-14 | 佛山市毅丰电器实业有限公司 | Audio power amplifier module supporting hot plug and method of audio power amplifier module |
| US20140092312A1 (en) * | 2012-10-02 | 2014-04-03 | Seiko Epson Corporation | Image display apparatus and method of controlling image display apparatus |
| CN104378567A (en) * | 2014-12-06 | 2015-02-25 | 深圳市康凯斯信息技术有限公司 | Portable DLP multimedia intelligent cloud projecting system |
| CN104394342A (en) * | 2014-12-06 | 2015-03-04 | 深圳市康凯斯信息技术有限公司 | Hand-held DLP multimedia intelligent projection system |
| JP2015154345A (en) * | 2014-02-17 | 2015-08-24 | 株式会社リコー | projector |
| CN105979118A (en) * | 2016-05-03 | 2016-09-28 | 乐视控股（北京）有限公司 | Video processing system and multimedia playing device provided with same |
| CN106464967A (en) * | 2014-05-15 | 2017-02-22 | 索尼公司 | Communication apparatus, communication method, and computer program |
| CN206147967U (en) * | 2016-06-07 | 2017-05-03 | 长江大学 | A multimode english teaching device for english teaching |
| WO2017184941A1 (en) * | 2016-04-22 | 2017-10-26 | Neil Deeman | Small pitch direct view display and method of making thereof |
| CN107391071A (en) * | 2017-07-31 | 2017-11-24 | 苏州佳世达电通有限公司 | Display device and the interface switching method for display device |
| CN107493462A (en) * | 2016-06-13 | 2017-12-19 | 中兴通讯股份有限公司 | Electronic equipment |
| CN207966213U (en) * | 2017-07-18 | 2018-10-12 | 湖南城市学院 | A kind of device for English interaction memory |
| CN110174773A (en) * | 2019-05-05 | 2019-08-27 | 成都华屏科技有限公司 | A kind of 2D/3D compatible display device based on integration imaging |
-
2020
- 2020-04-16 CN CN202010299450.0A patent/CN111464803B/en active Active
Patent Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060149401A1 (en) * | 2004-12-30 | 2006-07-06 | Chul Chung | Integrated audio video signal processing system using centralized processing of signals |
| US20070065094A1 (en) * | 2005-09-21 | 2007-03-22 | Coretronic Corporation | Multimedia projection apparatus and playing method thereof |
| CN1968396A (en) * | 2005-11-14 | 2007-05-23 | 英保达股份有限公司 | Integrated audio/video network phone system |
| CN201274572Y (en) * | 2008-10-10 | 2009-07-15 | 张凡 | Multimedia acoustic system having audio digital interface |
| CN101959024A (en) * | 2009-07-21 | 2011-01-26 | 侯锋 | Multimedia router |
| CN201707801U (en) * | 2010-05-17 | 2011-01-12 | 成都时代诺亚舟教育软件有限公司 | Handheld learning device with embedded miniature projector |
| US20120064758A1 (en) * | 2010-09-09 | 2012-03-15 | Grice Michael E | HDMI Plug and Cable Assembly |
| CN102446049A (en) * | 2010-10-11 | 2012-05-09 | 梁宇杰 | Device and method for cursor operation induction processing and using external display devices to display information |
| CN202050493U (en) * | 2011-03-09 | 2011-11-23 | 上海大学 | Video post-processing platform based on HDMI (high-definition multimedia interface) interface |
| CN102183993A (en) * | 2011-04-15 | 2011-09-14 | 西安友米光电科技有限公司 | Portable PC (personal computer) system formed by combining mini projector with mobile phone |
| CN202068551U (en) * | 2011-05-17 | 2011-12-07 | 泾县祥盛科技有限公司 | Decoding sound circuit |
| CN202394402U (en) * | 2011-12-14 | 2012-08-22 | 广州兆威电子科技开发有限公司 | Multifunctional demonstration audiovisual education equipment |
| US20140092312A1 (en) * | 2012-10-02 | 2014-04-03 | Seiko Epson Corporation | Image display apparatus and method of controlling image display apparatus |
| CN103248984A (en) * | 2013-04-17 | 2013-08-14 | 佛山市毅丰电器实业有限公司 | Audio power amplifier module supporting hot plug and method of audio power amplifier module |
| JP2015154345A (en) * | 2014-02-17 | 2015-08-24 | 株式会社リコー | projector |
| CN106464967A (en) * | 2014-05-15 | 2017-02-22 | 索尼公司 | Communication apparatus, communication method, and computer program |
| CN104378567A (en) * | 2014-12-06 | 2015-02-25 | 深圳市康凯斯信息技术有限公司 | Portable DLP multimedia intelligent cloud projecting system |
| CN104394342A (en) * | 2014-12-06 | 2015-03-04 | 深圳市康凯斯信息技术有限公司 | Hand-held DLP multimedia intelligent projection system |
| WO2017184941A1 (en) * | 2016-04-22 | 2017-10-26 | Neil Deeman | Small pitch direct view display and method of making thereof |
| CN105979118A (en) * | 2016-05-03 | 2016-09-28 | 乐视控股（北京）有限公司 | Video processing system and multimedia playing device provided with same |
| CN206147967U (en) * | 2016-06-07 | 2017-05-03 | 长江大学 | A multimode english teaching device for english teaching |
| CN107493462A (en) * | 2016-06-13 | 2017-12-19 | 中兴通讯股份有限公司 | Electronic equipment |
| CN207966213U (en) * | 2017-07-18 | 2018-10-12 | 湖南城市学院 | A kind of device for English interaction memory |
| CN107391071A (en) * | 2017-07-31 | 2017-11-24 | 苏州佳世达电通有限公司 | Display device and the interface switching method for display device |
| CN110174773A (en) * | 2019-05-05 | 2019-08-27 | 成都华屏科技有限公司 | A kind of 2D/3D compatible display device based on integration imaging |
Non-Patent Citations (1)
| Title |
|---|
| 张伯虎编: "《液晶电视原理与维修技术 第2版》", 31 March 2017, 北京：国防工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114612285A (en) * | 2022-02-21 | 2022-06-10 | 深圳市磐鼎科技有限公司 | Multi-output display card equipment based on Feiteng platform |
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