CN210324614U - Double-screen display teaching platform - Google Patents

Abstract

The utility model discloses a two-screen display teaching platform, including the main control unit that transmits image signal and receives the operational information who handles the multiunit operator, an image screen for showing the image signal of main control unit input, a holographic imaging device for generating the holographic image of picture on the image screen, a display terminal for carrying out interactive operation with the main control unit, an auxiliary computer for carrying out key teaching part screenshot, auxiliary computer includes the computer screenshot screen, the computer screenshot screen is touch display, auxiliary computer and main control unit communication connection, display terminal is connected with the main control unit. The utility model discloses an adopt holographic imaging technique, can guarantee that multiunit operator shares the holographic image of picture on the same imaging screen to can present the not equidirectional content of picture, make the operator observe the details of study object more clearly, and when cooperating between the group, can look over or control the other side screen, be favorable to the group to study interactively.

Description

Double-screen display teaching platform

Technical Field

The utility model belongs to the technical field of the multimedia teaching technique and specifically relates to a two screen display show teaching platform is related to.

Background

The multimedia teaching is that in the teaching process, according to the characteristics of a teaching target and a teaching object, modern teaching media are reasonably selected and applied through teaching design, and are organically combined with the traditional teaching means to jointly participate in the whole teaching process, and various media information acts on students to form a reasonable teaching process structure so as to achieve the optimized teaching effect. The multimedia teaching system relates to computer technology, audio and video technology, optical technology, network and communication technology. The complete multimedia teaching system includes two parts of hardware and software, the hardware of the multimedia system includes computer host and various input/output devices capable of receiving and playing multimedia information, and the software is multimedia operation system and various multimedia tool software and application software.

The problems of the current multimedia teaching system are as follows: firstly, the image display mostly adopts a projector or a display, generally only can display plane images, cannot bring the feeling of being personally on the scene, and cannot carry out grouping cooperation to jointly complete the same learning target; on-line teaching, the network speeds of different regions are different, for example, the teaching videos of the regions with slow networks can be compared with cards, so that the learning of students is directly influenced; thirdly, in the student stage, the heights of students are obviously inconsistent with the grade, different displays are purchased in different grades, so that schools are troublesome, and the height of the conventional display cannot be adjusted; fourthly, the product configuration in the prior art is relatively complex, the number of user operation steps is large, and the mobility is poor; fifthly, each group needs to occupy one display control screen, which requires higher cost and is not beneficial to inter-group cooperation and viewing control.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double screen display teaching platform for solve above-mentioned technical problem.

The utility model provides a technical scheme that above-mentioned technical problem adopted is: a double-screen display teaching platform comprises a main control unit, an imaging screen, a holographic imaging device, a display terminal and an auxiliary computer, wherein the main control unit is used for transmitting image signals and receiving and processing operation information of a plurality of groups of operators, the imaging screen is used for displaying the image signals input by the main control unit, the holographic imaging device is used for generating holographic images of pictures on the imaging screen, the display terminal is used for carrying out interactive operation with the main control unit, and the auxiliary computer is used for carrying out screenshot of a key teaching part and comprises a screenshot screen, the screenshot screen of the computer is a touch display, the auxiliary computer is in communication connection with the main control unit, and the display terminal is connected with;

the display terminal comprises a display, a supporting rod and a base, wherein the supporting rod is connected with the display and can adjust the height, the base is connected with the supporting rod, the display comprises a first display, a second display and a double-screen decoding module, the double-screen decoding module is connected with the first display and the second display and is used for decoding images, and the second display comprises a second control circuit and a second liquid crystal screen which are connected with each other; the first display comprises a first control circuit and a first liquid crystal screen which are connected with each other, and an OPS module which is used for inputting time sequence signals and data signals to the first control circuit of the first display and a second control circuit of the second display, carrying out conversion processing on the time sequence signals and the data signals and transmitting the processed time sequence signals and the processed data signals to the first liquid crystal screen and the second liquid crystal screen, wherein the OPS module is respectively connected with the first control circuit of the first display and the second control circuit of the second display, and the double-screen decoding module is connected with the main control unit.

The OPS module comprises a singlechip and a signal selection module which are connected with each other, and the signal selection module comprises a data signal output end and an HDMI output interface; the single chip microcomputer is used for generating a first input control instruction when the single chip microcomputer is in a copy mode, and sending the first output control instruction to the signal selection module so that the signal selection module inputs a data signal output end or a data signal output by the HDMI output interface to the first control circuit of the first display and the second control circuit of the second display;

when the display is in the expansion mode, generating a second input control instruction, and sending the second output control instruction to the signal selection module, so that the signal selection module inputs the data signal output by the data signal output end to the first control circuit of the first display and inputs the data signal output by the HDMI output interface to the second control circuit of the second display; or, the data signal output by the HDMI output interface is input to the first control circuit of the first display, and the data signal output by the data signal output terminal is input to the second control circuit of the second display. The KVM switch is connected with the OPS module and used for switching the mode of the single chip microcomputer. The KVM switch includes: a first mode switching key and a second mode switching key; correspondingly, the KVM switcher is specifically used for switching the single chip microcomputer to the copy mode when detecting that the first mode switching key is triggered; and when detecting that the second mode switching key is triggered, switching the singlechip to the expansion mode.

The first display also comprises a first loudspeaker connected with the first control circuit; and the first loudspeaker is used for converting the audio signal into an acoustic signal when receiving the audio signal sent by the control circuit.

The first display also comprises an audio power amplifier board which is respectively connected with the first loudspeaker and the first control circuit;

and the audio power amplifier board is used for amplifying the audio signal sent by the first control circuit and sending the amplified audio signal to the first loudspeaker.

Preferably, the dual-screen decoding module comprises a display card connected with the main control unit, a first decoding module and a second decoding module respectively connected with the display card, a first backlight module respectively connected with the first decoding module and the first display, and a second backlight module respectively connected with the second decoding module and the second display, wherein the first decoding module and the second decoding module are connected through a communication line, the first decoding module and the second decoding module are integrated on a decoding board, and the decoding board is arranged between the first display and the second display; the first decoding module is connected with the first display, and the second decoding module is connected with the second display.

Preferably, the support rod comprises a lower support rod, an upper support rod which can be inserted into the lower support rod in a telescopic mode, and a fastening nut for adjusting the height of the upper support rod, wherein the fastening nut is arranged between the lower support rod and the upper support rod. The height of the upper supporting rod is adjusted through the rotation of the fastening nut, so that the height of the display is adjusted.

Preferably, the dual-screen decoding module further comprises a first key board connected with the first decoding module and a second key board connected with the second decoding module.

Preferably, the first decoding module adopts a first decoding chip U1, a signal input end IN1 of the first decoding chip U1 is connected with the display card, a control input end IN2 of the first decoding chip U1 is connected with the first key board, a first output end OUT1 of the first decoding chip U1 is connected with the first display, a second output end OUT2 of the first decoding chip U1 is connected with the first backlight module, and a communication end I2C of the first decoding chip U1 is connected with the second decoding module;

the second decoding module adopts a second decoding chip U2, a signal input end IN1 of the second decoding chip U2 is connected with the display card, a control input end IN2 of the second decoding chip U2 is connected with the second key board, a first output end OUT1 of the second decoding chip U2 is connected with the second display, a second output end OUT2 of the second decoding chip U2 is connected with the second backlight module, and a communication end I2C of the second decoding chip U2 is connected with a communication end I2C of the first decoding chip U1.

Preferably, the imaging screen is an LED backlight display.

Preferably, the holographic imaging device further comprises a cylindrical shell, the imaging screen is arranged at the top of the shell, the holographic imaging device is arranged in the middle of the shell, the display terminal is arranged on the outer side of the lower portion of the shell, and the main control unit is arranged in the middle of the lower portion of the shell.

Preferably, the system further comprises an audio device connected with the main control unit.

Preferably, the teaching system further comprises a second camera used for acquiring the video information of the teaching site, and the second camera is connected with the main control unit.

Preferably, the auxiliary computer comprises a host computer, the computer screenshot screen is connected with the host computer, and the host computer is connected with the main control unit through an RS485 communication network.

The utility model has the advantages that:

1. by adopting the holographic imaging technology, a plurality of groups of operators can be ensured to share the holographic images of the pictures on the same imaging screen, and the contents of the pictures in different directions can be presented, so that the operators can observe the details of the learning object more clearly; by arranging the multiple double-screen display terminals, multiple groups of operators can cooperate with one another to jointly learn the same content, the number of the groups can be doubled compared with that of the original single screen, and the screens of the other party can be checked or controlled when the two groups cooperate with one another, so that group learning interaction is facilitated;

2. in the teaching process, the auxiliary computer and the teaching computer are synchronously displayed, when difficult points, key points and questions of students appear, a teaching teacher can capture a screen in real time through the auxiliary computer, and the difficult points, key points and questions in the teaching can be stored in a picture mode, so that the students who study offline can better study.

3. The utility model can provide two learning modes of online and offline, when the network environment is poor, students can learn by offline, meanwhile, the auxiliary computer can provide teaching assistance to help the offline students to know the learning focus, learning difficulty and other problems provided by students;

4. the utility model has good universality, adjustable height and convenient movement, can adapt to the heights of different students in different grades, and is convenient for the students to watch;

5. the utility model discloses a dispose embedded OPS module in two interconnection display in one to realize the double screen display function, compare with using external host computer in the prior art to realize the double screen display function, have the mobility strong, user's easy and simple to handle advantage;

6. the double-screen decoding module comprises a first decoding module and a second decoding module, the first decoding module and the second decoding module are integrated on a decoding board, image decoding and driving display control of two screens are achieved through one decoding board, board card cost can be saved, and machining procedures during production can be effectively reduced.

Drawings

Fig. 1 is a schematic view of the installation structure of the present invention.

Fig. 2 is a schematic connection diagram of the present invention.

Fig. 3 is a schematic view showing the structure of the terminal.

Fig. 4 is a control schematic diagram of the display terminal.

Fig. 5 is another control schematic diagram of the display terminal.

Fig. 6 is a block diagram of a dual-screen decoding module.

In the figure: 1. a main control unit, 2, an imaging screen, 3, a holographic imaging device, 4, a display terminal, 41, a first display, 42, a second display, 110, a first liquid crystal screen, 120, a first control circuit, 130, an OPS module, 140, a first OSD module, 150, a first intelligent parameter board, 160, a first infrared panel, 170, a switch board, 180, a first power supply device, 190, a first speaker, 210, a second liquid crystal screen, 220, a second control circuit, 240, a second OSD module, 250, a second intelligent parameter board, 260, a second infrared panel, 280, a second power supply device, 290, a second speaker, 43, a display card, 44, a first decoding module, 45, a second decoding module, 46, a first backlight module, 47, a second backlight module, 48, a first key board, 49, a second key board, 50, an upper support rod, 51, a lower support rod, 52, a fastening nut, 53. base, 5, audio device, 6, auxiliary computer, 61, computer screenshot screen, 62, host computer, 7, second camera

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

As shown in fig. 1-6, the utility model relates to a double screen display teaching platform, including the main control unit 1 that transmits image signal and receives and handles multiunit operator's operating information, an image screen 2 for showing the image signal of main control unit 1 input, a holographic imaging device 3 for generating the holographic image of picture on image screen 2, a display terminal 4 for carrying out interactive operation with main control unit 1, an auxiliary computer 6 for carrying out key teaching partial screenshot, auxiliary computer 6 includes computer screenshot screen 61, computer screenshot screen 61 is the touch display, auxiliary computer 6 and main control unit 1 communication connection, display terminal 4 is connected with main control unit 1;

as shown in fig. 3, the display terminal includes a display, a support rod connected to the display and having an adjustable height, and a base 53 connected to the support rod, wherein the support rod includes a lower support rod 51, an upper support rod 50 extending into the lower support rod 51, and a fastening nut 52 for adjusting the height of the upper support rod 50, and the fastening nut 52 is disposed between the lower support rod 51 and the upper support rod 50.

The utility model discloses fig. 4 shows the utility model discloses a display terminal's that an embodiment provided structural schematic diagram, see fig. 4, this display terminal includes: the display comprises a first display 41, a second display 42, and a dual-screen decoding module connected with the first display 41 and the second display 42 and used for decoding images, wherein the second display 42 comprises a second control circuit 220 and a second liquid crystal screen 110 which are connected with each other; the first display 41 includes a first control circuit 120, a first liquid crystal panel 110 and an OPS module 130 connected to each other, and the OPS module 130 is connected to the first control circuit 120 of the first display 41 and the second control circuit 220 of the second display 42, respectively.

The OPS module 130 is a signal source, and is configured to input a timing signal and a data signal to the first control circuit 120 of the first display 41 and the second control circuit 220 of the second display 42, so that the first control circuit 120 and the second control circuit 220 perform conversion processing on the timing signal and the data signal, and transmit the converted timing signal and data signal to the first liquid crystal panel 110 and the second liquid crystal panel 210.

The first control circuit 120 and the second control circuit 220 may be implemented by the STDP 6028.

It will be understood that the driving signal generated by the first control circuit 120 of the first display 41 is transmitted to the first liquid crystal panel 110, and the driving signal generated by the second control circuit 220 of the second display 42 is transmitted to the second liquid crystal panel 210.

The connection method between the devices is not limited here, and a conventional connection method may be used, for example: the OPS module 130 may be connected to the second display 42 through an HDMI signal line; the OPS module 130 may be connected to the first control circuit 110 of the first display 41 through the adapter plate 170, or may be installed in a plug-in manner, so as to further improve convenience of installation and maintenance.

Referring to fig. 4, the OPS module includes a LAN input terminal, a data signal output terminal, an HDMI OUT output terminal, and a USB OUT interface;

in practical applications, the OPS module 130 embedded in the first display 41 may input data signals to the first control circuit 120 of the first display 41 and the second control circuit 220 of the second display 42 through the data signal output terminal and the HDMIOUT output terminal.

It is visible, the utility model discloses an dispose embedded OPS module 130 in one of two interconnection displays to realize the double-screen display function, use external host computer to compare in order to realize the double-screen display function among the prior art, it is strong to have the mobility, user easy and simple to handle's advantage.

Fig. 5 shows a schematic structural diagram of a display terminal according to another embodiment of the present invention, and the following describes the versatility of the display terminal in detail with reference to fig. 5:

the first display 41 and the second display 42 further include: the first OSD module 140, the second OSD module 240, the first smart parameter board 150, the second smart parameter board 250, the first infrared board 160, the second infrared board 260, the first power supply device 180, the second power supply device 280, and the first speaker 190, the second speaker 290, wherein;

the operation principle of the first OSD module 140, the second OSD module 240, the first intelligent parameter board 150, the second intelligent parameter board 250, the first infrared board 160, the second infrared board 260, the first power device 180, the second power device 280, and the first speaker 190 and the second speaker 290 in the first display 41 and the second display 42 is similar, and therefore, the first display 41 is taken as an example for detailed description below:

the first OSD module 140 is connected to the first control circuit 120, and configured to send a display adjustment instruction to the first control circuit 120, so that the first control circuit 120 adjusts the display parameter according to the display adjustment instruction.

The first intelligent parameter board 150 is connected to the first control circuit 120, and is configured to send a display control instruction to the first control circuit 120, so that the first control circuit 120 sends a display control signal to the first liquid crystal display 110 according to the display control instruction, and the first liquid crystal display 110 controls the backlight board and the ambient light monitoring according to the display control signal.

The first infrared plate 160 is connected to the first control circuit 120 for adjusting the infrared light.

The first power supply device 180 is connected to the first control circuit 120 for supplying power to the corresponding device;

the first power supply device 180 outputs 220V ac power.

The first speaker 190 is connected to the control circuit 120, and is configured to convert an audio signal into an acoustic signal when receiving the audio signal sent by the first control circuit 120.

It is visible, the utility model discloses a set up first intelligent parameter board 150, based on integrated intelligent sensor, can realize LCD screen constant control and ambient light monitoring in a poor light.

In order to improve the effect of voice playing, an audio amplifier board (not shown in the figure) may be further disposed in the present solution, and the audio amplifier board is connected between the first speaker 190 and the first control circuit 120, and is configured to amplify the audio signal sent by the first control circuit 120, and send the amplified audio signal to the first speaker 190.

It should be noted that the audio power amplifier board may be integrated on the display control board corresponding to the first control circuit 120 in the form of a functional module, or may be separately provided in the form of an independent functional device, which may be determined as the case may be.

The following describes in detail a process of implementing the dual-screen display function of the display terminal with reference to fig. 5:

the OPS module 130 includes: the singlechip and the signal selection module are connected with each other;

the signal selection module comprises: the data signal output end and the HDMI _ OUT output interface;

accordingly, the display terminal is connected to the OPS module 130; the KVM switch includes: a first mode switching key and a second mode switching key;

the KVM switcher is specifically used for switching the single chip microcomputer to the copy mode when detecting that the first mode switching key is triggered;

and when detecting that the second mode switching key is triggered, switching the singlechip to the expansion mode.

It is understood that the first mode switching key and the second mode switching key can be arranged on the OSD keypad corresponding to the OSD module;

moreover, the KVM switch may be integrated on the display control board corresponding to the first control circuit 120 in the form of a functional module, or may be separately provided in the form of an independent functional device, as the case may be.

When the display device is in the copy mode, the single chip microcomputer is used for generating a first input control instruction and sending the first output control instruction to the signal selection module, so that the signal selection module inputs a data signal output end or a data signal input by the HDMI output interface to the first control circuit 120 of the first display and the second control circuit 220 of the second display;

when the display device is in the extended mode, the single chip microcomputer is configured to generate a second input control instruction, and send the second output control instruction to the signal selection module, so that the signal selection module inputs the data signal output by the data signal output terminal to the first control circuit 120 of the first display 41, and inputs the data signal output by the HDMI OUT output interface to the second control circuit 220 of the second display 42;

alternatively, the data signal input by the HDMI OUT output interface is input to the control circuit 120 of the first display 41, and the data signal input by the data signal output terminal is input to the control circuit 220 of the second display 42.

The single chip microcomputer is of a PT2334 model, and the signal selection module can be a switch selection circuit or a chip of a P13HDMI1310-A model.

In another embodiment, the KVM switch is configured to automatically switch the single chip microcomputer to the extended mode when the camera is detected to be turned on, so that the first display 41 and the second display 42 respectively display the data signals output by the HDMI OUT output interface and the data signal output terminal, thereby implementing the dual-screen extended display function.

In fig. 6, the dual-screen decoding module includes a display card 43 connected to the main control module, a first decoding module 44 and a second decoding module 45 respectively connected to the display card 43, a first backlight module 46 respectively connected to the first decoding module 44 and the first display 41, and a second backlight module 47 respectively connected to the second decoding module 45 and the second display 42, where the first decoding module 44 and the second decoding module 45 are connected by an I2C communication line, the first decoding module 44 and the second decoding module 45 are integrated on a decoding board, and the decoding board is disposed between the first display 41 and the second display 42; the first decoding module 44 is connected to the first display 41, and the second decoding module 45 is connected to the second display 42.

As an embodiment of the present invention, the dual-screen decoding module further includes a first key board 48 and a second key board 49, which are respectively connected to the first decoding module 44 and the second decoding module 45.

Thus, two screens of the same machine can be SET by users at two different sides, the brightness, the contrast, the color and the like which are suitable for the size of the two screens are selected, the setting of a master-slave mode is supported, once one screen is SET as a master between the two screens, all the settings of the other slave are controlled by the master, and specifically, the SET key SET on the machine can be operated, the machine on which the SET key SET is pressed is used as the master, and the other machine is used as the slave.

As an embodiment of the present invention, the first decoding module 44 and the second decoding module 45 respectively convert the eDP signal output by the graphics card 43 into a low voltage differential signal.

Of course, the display card 43 can output a variety of signal formats besides the eDP signal, and the eDP format is selected in the embodiment of the present invention because the motherboard used on the notebook is selected, and most of the motherboard is the eDP output, so that the thickness of the whole computer can be made very thin.

The first decoding module 44 adopts a first decoding chip U1, a signal input terminal IN1 of the first decoding chip U1 is connected to the display card 43, a control input terminal IN2 of the first decoding chip U1 is connected to the first key board 48, a first output terminal OUT1 of the first decoding chip U1 is connected to the first display 41, a second output terminal OUT2 of the first decoding chip U1 is connected to the first backlight module 46, and a communication terminal I2C of the first decoding chip U1 is connected to the second decoding module 45.

The second decoding module 45 adopts a second decoding chip U2, a signal input end IN1 of the second decoding chip U2 is connected with the display card 43, a control input end IN2 of the second decoding chip U2 is connected with the second key board 49, a first output end OUT1 of the second decoding chip U2 is connected with the second display 42, a second output end OUT2 of the second decoding chip U2 is connected with the second backlight module 47, and a communication end I2C of the second decoding chip U2 is connected with a communication end I2C of the first decoding chip U1.

The auxiliary computer is used for realizing the screenshot of key teaching or teaching problems. For example, when online teaching is performed, a question is presented through one display terminal 4, a teacher can capture a picture in real time through an auxiliary computer, and the presented question can be stored in the main control unit 1 as picture information.

The auxiliary computer comprises a computer screenshot screen 61, the computer screenshot screen 61 is a touch display, and the auxiliary computer is in communication connection with the main control unit 1.

In the present embodiment, the holographic imaging device 3 is used to generate a holographic image of a picture on the imaging screen 2. Holographic imaging technology, also known as holographic projection technology, is a technology for recording and reproducing a real three-dimensional image of an object by using the principles of interference and diffraction. Firstly, the interference principle is utilized to record object light wave information, namely, the shooting process: the shot object forms a diffused object beam under the irradiation of laser; a part of laser is used as reference beam to be directly emitted to the holographic film to be overlapped with object beam to generate interference, and the phase and amplitude of each point on the object light wave are converted into the intensity which is changed in space, so that the contrast and interval between interference fringes are used for recording all information of the object light wave. The negative film with the interference fringes becomes a hologram, or hologram, after development, fixation and other processing procedures. Then, the object light wave information is reproduced by utilizing the diffraction principle, namely, the imaging process is as follows: the hologram behaves like a complex grating, and the diffracted light waves of a linearly recorded sinusoidal hologram generally give two images, an original image and a conjugate image, under coherent laser illumination. The reproduced image has strong stereoscopic impression and real visual effect.

Each part of the hologram records optical information of each point on the object, so that in principle each part of the hologram can reproduce the whole image of the original object, and a plurality of different images can be recorded on the same film by multiple exposures and can be displayed separately without interference. By adopting the holographic imaging technology, multiple groups of operators can share the three-dimensional holographic image of the picture on the same imaging screen, and the contents of the picture in different directions can be presented, so that the operators can observe the details of the learning object more clearly.

The main control unit 1 comprises a microprocessor and a second memory, the microprocessor is connected with the second memory, and the microprocessor is respectively connected with the processor, the sound device, the imaging screen, the computer screenshot screen and the second camera. This embodiment provides a technical solution for implementing the main control unit 1, that is, the main control unit 1 mainly includes a microprocessor and a second memory, and may also include hardware circuits such as a video card and a sound card. Specifically, the main control unit 1 is a personal computer.

As an alternative embodiment, the holographic imaging device 3 comprises four pieces of triangular coated glass enclosing an inverted pyramid shaped holographic image display area. In this embodiment, the holographic image display area of the holographic imaging device 3 is in an inverted pyramid shape and is surrounded by 4 pieces of triangular coated glass, and the contents of 4 surfaces of the imaging source are spliced into a complete holographic image inside the imaging area, so that the contents of 4 different directions of the image can be presented, and an operator can observe details of an object more clearly.

The imaging screen 2 is an LED backlight display. The LED backlight source adopts a color sequence technology, and achieves a full-color effect by utilizing the characteristic of human vision persistence, so that the LED backlight source can replace a color filter. The LED backlight source has the remarkable characteristics that: the photoelectric conversion rate is high, the color saturation is high, the size is small, the vibration resistance is realized, toxic substances are not contained, the low-voltage power supply is realized, the harm to a human body is avoided, and the service life is long.

As an alternative embodiment, the teaching platform is installed in a cylindrical metal shell, the imaging screen 2 is installed at the top of the shell, the holographic imaging device 3 is installed in the middle of the shell, the display terminal 4 is installed on the outer side of the lower portion of the shell, and the main control unit 1 is installed in the middle of the lower portion of the shell.

And further comprises an acoustic device 5 connected with the main control unit 1.

The teaching system further comprises a second camera 7 used for acquiring teaching site video information, and the second camera 7 is connected with the main control unit 1. Like this, acquire the video information at teaching scene and store the main control unit 1 by second camera 7 in, the student can transfer courseware or on-the-spot teaching video through main control unit 1, like this the utility model discloses just can provide the teaching video at multiple visual angle for the teaching is more lively concrete.

The auxiliary computer 6 comprises a host computer 62, the computer screenshot screen 61 is connected with the host computer 62, and the host computer 62 is connected with the main control unit 1 through an RS485 communication network.

The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a double screen display teaching platform which characterized in that: the auxiliary computer comprises a main control unit (1) for transmitting image signals and receiving and processing operation information of a plurality of groups of operators, an imaging screen (2) for displaying the image signals input by the main control unit (1), a holographic imaging device (3) for generating holographic images of pictures on the imaging screen (2), a display terminal (4) for carrying out interactive operation with the main control unit (1), and an auxiliary computer (6) for carrying out screenshot of a key teaching part, wherein the auxiliary computer (6) comprises a computer screenshot screen (61), the computer screenshot screen (61) is a touch display, the auxiliary computer (6) is in communication connection with the main control unit (1), and the display terminal (4) is connected with the main control unit (1);

the display terminal comprises a display connected with the main control unit (1), a supporting rod which is connected with the display and can adjust the height, and a base (53) connected with the supporting rod, wherein the display comprises a first display (41), a second display (42), and a double-screen decoding module which is connected with the first display (41) and the second display (42) and used for decoding images, and the second display (42) comprises a second control circuit (220) and a second liquid crystal screen (210) which are connected with each other; the first display (41) comprises a first control circuit (120) and a first liquid crystal screen (110) which are connected with each other, and an OPS module (130) which is used for inputting a time sequence signal and a data signal to the first control circuit (120) of the first display (41) and a second control circuit (220) of the second display (42) and carrying out conversion processing on the time sequence signal and the data signal and transmitting the processed time sequence signal and the processed data signal to the first liquid crystal screen (110) and the second liquid crystal screen (210), the OPS module (130) is respectively connected with the first control circuit (120) of the first display (41) and the second control circuit (220) of the second display (42), and the double-screen decoding module is connected with the main control unit (1).

2. The dual-screen display teaching platform of claim 1, wherein: the double-screen decoding module comprises a display card (43) connected with the main control unit (1), a first decoding module (44) and a second decoding module (45) respectively connected with the display card (43), a first backlight module (46) respectively connected with the first decoding module (44) and a first display (41), and a second backlight module (47) respectively connected with the second decoding module (45) and a second display (42), wherein the first decoding module (44) and the second decoding module (45) are connected through a communication line, the first decoding module (44) and the second decoding module (45) are integrated on a decoding board, and the decoding board is arranged between the first display (41) and the second display (42); the first decoding module (44) is connected with the first display (41), and the second decoding module (45) is connected with the second display (42).

3. The dual-screen display teaching platform of claim 1 or 2, wherein: the supporting rod comprises a lower supporting rod (51), an upper supporting rod (50) which can telescopically enter the lower supporting rod (51), and a fastening nut (52) used for adjusting the height of the upper supporting rod (50), wherein the fastening nut (52) is arranged between the lower supporting rod (51) and the upper supporting rod (50).

4. The dual-screen display teaching platform of claim 3, wherein: the double-screen decoding module further comprises a first key board (48) connected with the first decoding module (44) and a second key board (49) connected with the second decoding module (45).

5. The dual-screen display teaching platform of claim 4, wherein: the first decoding module (44) adopts a first decoding chip (U1), a signal input end (IN1) of the first decoding chip (U1) is connected with the display card (43), a control input end IN2 of the first decoding chip (U1) is connected with the first key board (48), a first output end (OUT1) of the first decoding chip (U1) is connected with the first display (41), a second output end (OUT2) of the first decoding chip (U1) is connected with the first backlight module (46), and a communication end (I2C) of the first decoding chip (U1) is connected with the second decoding module (45); the second decoding module (45) adopts a second decoding chip (U2), a signal input end (IN1) of the second decoding chip (U2) is connected with the display card (43), a control input end IN2 of the second decoding chip (U2) is connected with the second key board (49), a first output end (OUT1) of the second decoding chip (U2) is connected with the second display (42), a second output end (OUT2) of the second decoding chip (U2) is connected with the second backlight module (47), and a communication end (I2C) of the second decoding chip (U2) is connected with a communication end (I2C) of the first decoding chip (U1).

6. The dual-screen display teaching platform of claim 1 or 2 or 4 or 5 wherein: the holographic imaging device (3) comprises an inverted pyramid-shaped holographic image display area formed by four pieces of triangular coated glass in a surrounding mode.

7. The dual-screen display teaching platform of claim 6, wherein: the imaging screen (2) is an LED backlight display.

8. The dual-screen display teaching platform of claim 1 or 2 or 4 or 5 or 7, wherein: the system also comprises a sound device (5) connected with the main control unit (1).

9. The dual-screen display teaching platform of claim 8, wherein: the teaching video recorder further comprises a second camera (7) used for acquiring teaching site video information, and the second camera (7) is connected with the main control unit (1).

10. The dual-screen display teaching platform of claim 1, 2, 4, 5, 7 or 9, wherein: the auxiliary computer (6) comprises a host (62), the computer screenshot screen (61) is connected with the host (62), and the host (62) is connected with the main control unit (1) through an RS485 communication network.

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