CN221125411U - Simplified audio-video optical fiber transmission experiment instrument - Google Patents
Simplified audio-video optical fiber transmission experiment instrument Download PDFInfo
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- CN221125411U CN221125411U CN202322680128.4U CN202322680128U CN221125411U CN 221125411 U CN221125411 U CN 221125411U CN 202322680128 U CN202322680128 U CN 202322680128U CN 221125411 U CN221125411 U CN 221125411U
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 38
- 230000005540 biological transmission Effects 0.000 title claims abstract description 27
- 238000002474 experimental method Methods 0.000 title claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 10
- 230000005236 sound signal Effects 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Abstract
The utility model discloses a simplified audio-video optical fiber transmission experiment instrument, which is applied to the technical field of teaching experiment equipment. The device comprises a box body, a control panel, a display, a camera, an audio input interface, a transmitting assembly, a receiving assembly, a power supply and an oscilloscope, wherein the control panel is arranged on the upper surface of the box body, the display, the oscilloscope, the camera and the audio input interface are all arranged on the control panel, the transmitting assembly, the receiving assembly and the power supply are all arranged in the box body, the transmitting assembly and the receiving assembly are connected through optical fibers, the oscilloscope is connected with the receiving assembly, the display is connected with the transmitting assembly and the receiving assembly, and the camera and the audio input interface are all connected with the transmitting assembly. The utility model sets the components of the display, the camera, the audio input interface, the power supply, the oscilloscope and the like in the integrated instrument, has small volume and simple operation, and avoids the damage of external equipment.
Description
Technical Field
The utility model relates to the technical field of teaching experiment equipment, in particular to a simplified audio-video optical fiber transmission experiment instrument.
Background
The optical fiber transmission is a main method of modern audio and video transmission, and the audio and video optical fiber transmission experimental instrument is a common device in university physical experiment teaching. Besides the main instrument, the existing audio and video optical fiber transmission experiment instrument also needs an external camera and a display and also can be used as an oscilloscope if related experiments are to be completed. However, the external equipment can cause a plurality of and complex connecting lines in the whole experimental process, and the connecting lines are also often damaged due to the fact that a camera and a display which are improperly externally connected are easily damaged; the oscilloscope is large in size, so that the whole set of experimental equipment has the defects of large size, multiple circuits and easy damage; in operation, the current of the instrument is often unstable and is subject to run-out, which also affects the experimental results. Therefore, how to provide an simplified audio/video optical fiber transmission experimental apparatus is a problem to be solved by those skilled in the art.
Disclosure of utility model
In view of this, the utility model provides a simplified audio/video optical fiber transmission experimental instrument, which is characterized in that components such as a display, a camera, an audio input interface, a power supply, an oscilloscope and the like are arranged in an integrated instrument, so that damage to external equipment is avoided.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a simplified audio and video optical fiber transmission experiment appearance, includes box, control panel, display, camera, audio input interface, transmitting module, receiving element, power and oscilloscope, control panel sets up the box upper surface, the display the oscilloscope the camera the audio input interface all sets up on the control panel, transmitting module the receiving element the power all sets up in the box, transmitting module with pass through fiber connection between the receiving element, the oscilloscope with receiving element connects, the display with transmitting module the receiving element connects, the camera the audio input interface all with transmitting element connects.
The technical scheme has the technical effects that: the problems of multiple devices, large volume, multiple use lines and easy damage of the audio and video optical fiber transmission experiment instrument are solved, and students can use the instrument more simply, so that better teaching effect can be achieved.
Optionally, the transmitting assembly includes signal input unit, filtering amplification unit, AD conversion unit, emission control unit and the electro-optic conversion unit that connects gradually, signal input unit with the camera audio input interface connects.
The technical scheme has the technical effects that: and converting the video signals of the camera and the audio signals of the audio input interface into output optical signals.
Optionally, the receiving component comprises a photoelectric conversion unit, a receiving control unit, a DA conversion unit, a signal filtering unit and a power amplifying unit which are sequentially connected, and the power amplifying unit is connected with the display and the oscilloscope.
The technical scheme has the technical effects that: the received optical signal is converted into an audio signal and a video signal.
Optionally, the control panel is further provided with a speaker, a speaker adjusting knob and an audio output interface, and the speaker and the audio output interface are connected with the receiving assembly.
The technical scheme has the technical effects that: the loudspeaker is used for outputting received audio, the loudspeaker adjusting knob is used for adjusting the size of the output audio, and the audio output interface is used for externally connecting equipment such as headphones.
Optionally, the control panel is further provided with a light intensity control knob and an audio control knob.
The technical scheme has the technical effects that: the light intensity control knob and the audio control knob are respectively used for controlling the intensity of transmitted light and the intensity of input audio.
Optionally, a power switch, a display switch, a camera switch and an oscilloscope switch are further arranged on the control panel.
The technical scheme has the technical effects that: the power switch, the display switch, the camera switch and the oscilloscope switch are respectively used for controlling the switch states of the power supply, the display, the camera and the oscilloscope.
Optionally, the control panel is further provided with an optical fiber sending interface and an optical fiber output interface.
The technical scheme has the technical effects that: the optical fiber sending interface and the optical fiber output interface are used for accessing the transmission optical fiber.
Optionally, a USB interface is further provided on the control panel, and the USB interface is connected with the oscilloscope.
The technical scheme has the technical effects that: the USB interface can be connected with a computer, and the generated waveform diagram is directly stored in the computer.
Compared with the prior art, the utility model provides a simplified audio/video optical fiber transmission experimental instrument, which has the following beneficial effects: according to the utility model, the display, the camera, the power supply, the oscilloscope and other external components are arranged in the integrated instrument, so that the problems of more equipment, large volume, more use lines and easy damage of the audio and video optical fiber transmission experiment instrument are solved, students can use the instrument more simply, and better teaching effect can be achieved; the USB interface can be connected with a computer, and the generated waveform diagram is directly stored in the computer; the power supply is arranged to provide stable current, so that the unstable current condition in actual operation is improved, the output current of the instrument is stabilized, and the experimental result is more accurate.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a control panel of an audio/video optical fiber transmission experimental instrument according to the present utility model;
FIG. 2 is a schematic diagram of an audio/video optical fiber transmission experimental instrument according to the utility model;
In the figure: 1-box, 2-control panel, 3-display, 4-camera, 5-audio input interface, 6-oscilloscope, 7-speaker, 8-speaker adjust knob, 9-audio output interface, 10-light intensity control knob, 11-audio control knob, 12-switch, 13-display switch, 14-camera switch, 15-oscilloscope switch, 16-optical fiber transmission interface, 17-optical fiber output interface, 18-USB interface.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The embodiment of the utility model discloses an simplified audio and video optical fiber transmission experiment instrument, which is shown in fig. 1 and comprises a box body 1, a control panel 2, a display 3, a camera 4, an audio input interface 5, a transmitting assembly, a receiving assembly, a power supply and an oscilloscope 6, wherein the control panel 2 is arranged on the upper surface of the box body 1, the display 3, the oscilloscope 6, the camera 4 and the audio input interface 5 are all arranged on the control panel 2, the transmitting assembly, the receiving assembly and the power supply are all arranged in the box body 1, the transmitting assembly and the receiving assembly are connected through optical fibers, the oscilloscope 6 is connected with the receiving assembly, the display 3 is connected with the transmitting assembly and the receiving assembly, and the camera 4 and the audio input interface 5 are all connected with the transmitting assembly.
Further, as shown in fig. 2, the transmitting assembly includes a signal input unit, a filtering amplifying unit, an AD conversion unit, a transmitting control unit and an electro-optical conversion unit, which are sequentially connected, and the signal input unit is connected with the camera 4 and the audio input interface 5.
Further, as shown in fig. 2, the receiving component includes a photoelectric conversion unit, a receiving control unit, a DA conversion unit, a signal filtering unit, and a power amplifying unit, which are sequentially connected, and the power amplifying unit is connected to the display 3 and the oscilloscope 6.
Further, the control panel 2 is further provided with a speaker 7, a speaker adjusting knob 8 and an audio output interface 9, and the speaker 7 and the audio output interface 9 are connected with a receiving assembly.
Still further, in one embodiment of the present invention, the power amplifying unit is connected to the display 3, the oscilloscope 6, the speaker 7, and the audio output interface 9.
Further, the control panel 2 is also provided with a light intensity control knob 10 and an audio control knob 11.
Further, the control panel 2 is further provided with a power switch 12, a display switch 13, a camera switch 14 and an oscilloscope switch 15.
Further, the control panel 2 is further provided with an optical fiber transmitting interface 16 and an optical fiber output interface 17.
Further, a USB interface 18 is further disposed on the control panel 2, and the USB interface 18 is connected to the oscilloscope 6.
In the embodiment of the utility model, the audio input interface 5 is used for externally connecting audio input equipment such as a mobile phone and the like so as to input audio signals, the camera 4 is used for collecting video signals, and the intensity of the audio signals can be regulated through the audio control knob 11; the audio signal and the video signal are converted into optical signals through the transmitting assembly and then transmitted to the receiving assembly through the optical fiber, the receiving assembly converts the optical signals back into the audio signal and the video signal, and the intensity of the optical signals can be adjusted through the intensity control knob 10. The receiving component outputs an audio signal to the loudspeaker 7 or the audio output interface 9, the audio output interface 9 can be externally connected with playing equipment such as headphones and the like, and the output volume of the loudspeaker is adjusted through the loudspeaker adjusting knob 8; the receiving component outputs the video signal to the display 3 for display, meanwhile, the oscilloscope 6 is used for displaying the waveform of the video signal, the oscilloscope 6 can be connected with a computer through the USB interface 18, and the waveform is saved to the computer.
On the control panel 2, the switch for experiments is controlled by the power switch 12, and the display switch 13, the camera switch 14 and the oscilloscope switch 15 are respectively used for individually controlling the switch of the corresponding device.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer 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 utility model. 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 utility model. Thus, the present utility model 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 (8)
1. The utility model provides a simplified audio and video optical fiber transmission experiment appearance, its characterized in that includes box (1), control panel (2), display (3), camera (4), audio input interface (5), emission subassembly, receiving element, power and oscilloscope (6), control panel (2) set up box (1) upper surface, display (3) oscilloscope (6) camera (4) audio input interface (5) all set up on control panel (2), emission subassembly receive the subassembly the power all sets up in box (1), emission subassembly with receive through fiber connection between the subassembly, oscilloscope (6) with receive the subassembly and be connected, display (3) with emission subassembly receive the subassembly and be connected, camera (4) audio input interface (5) all with emission subassembly is connected.
2. The simplified audio-video optical fiber transmission experimental instrument according to claim 1, wherein the transmitting assembly comprises a signal input unit, a filtering amplifying unit, an AD conversion unit, a transmitting control unit and an electro-optical conversion unit which are sequentially connected, and the signal input unit is connected with the camera (4) and the audio input interface (5).
3. The simplified audio and video optical fiber transmission experimental instrument according to claim 1, wherein the receiving component comprises a photoelectric conversion unit, a receiving control unit, a DA conversion unit, a signal filtering unit and a power amplifying unit which are sequentially connected, and the power amplifying unit is connected with the display (3) and the oscilloscope (6).
4. The simplified audio-video optical fiber transmission experimental instrument according to claim 1, wherein a loudspeaker (7), a loudspeaker adjusting knob (8) and an audio output interface (9) are further arranged on the control panel (2), and the loudspeaker (7) and the audio output interface (9) are connected with the receiving component.
5. The simplified audio-video optical fiber transmission experimental instrument according to claim 1, wherein the control panel (2) is further provided with a light intensity control knob (10) and an audio control knob (11).
6. The simplified audio/video optical fiber transmission experimental instrument according to claim 1, wherein a power switch (12), a display switch (13), a camera switch (14) and an oscilloscope switch (15) are further arranged on the control panel (2).
7. The simplified audio and video optical fiber transmission experimental instrument according to claim 1, wherein an optical fiber transmitting interface (16) and an optical fiber output interface (17) are further arranged on the control panel (2).
8. The simplified audio and video optical fiber transmission experimental instrument according to claim 1, wherein a USB interface (18) is further provided on the control panel (2), and the USB interface (18) is connected with the oscilloscope (6).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221125411U true CN221125411U (en) | 2024-06-11 |
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