CN207833757U - A kind of signal transmission through fiber teaching demonstration device - Google Patents
A kind of signal transmission through fiber teaching demonstration device Download PDFInfo
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- CN207833757U CN207833757U CN201721529770.0U CN201721529770U CN207833757U CN 207833757 U CN207833757 U CN 207833757U CN 201721529770 U CN201721529770 U CN 201721529770U CN 207833757 U CN207833757 U CN 207833757U
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- fiber
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- light source
- teaching demonstration
- signal
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Abstract
The utility model proposes a kind of signal transmission through fiber teaching demonstration devices, for signal transmission through fiber teaching demonstration, including light source, transmission medium, receiving module, light source is connect with transmission medium one end, the other end of receiving module and transmission medium connects, and the optical signal that light source is sent out is by transmission medium, by transmission and reflection to receiving module, process is succinctly intuitive, can achieve the purpose that teaching demonstration；The utility model has the advantage of：It is simple in structure, by demonstrating visual show the process that optical fiber transmits to student, it can clearly show that the light path of the various optical phenomenas such as incidence, reflection or the refraction of laser beam in a fiber, contribute to visual understanding and understanding of the student to fiber optic communication, the teaching aid for solving optical fiber transmission education in the prior art is prohibitively expensive, is not suitable for the problem of middle and primary schools impart knowledge to students.
Description
Technical field
The utility model belongs to teaching aid field, is related to a kind of signal transmission through fiber teaching demonstration device.
Background technology
Optical fiber is widely used in the multiple fields such as the communicating of daily life, medical treatment, has become mankind's daily life not
A kind of technology that can or lack, optical fiber sensing technology is an emerging physical application technology, it is in communication, oil, chemical industry measurement
And have the advantages that many uniquenesses in terms of various physical quantities, have broad application prospects, demonstration is utilized in engineering and polytechnic universities
Contemporary optics new technology widely popularize and permeate, not only enriches the content of courses of College Physics by the mode of experiment,
And the scope of one's knowledge of student has been widened, there is important work for open, learning interest the raising of engineering and polytechnic universities' students ' visual field
With；In turn, can further mobilizing students study College Physics enthusiasm, quickly entered Lip river simultaneously for guiding student
The Disciplinary Frontiers of engineer application also have good guiding role；But the process and principle of optical fiber transmission are all that people are invisible
It is impalpable, it is difficult to use linguistic interpretation.Design and making optical fiber transmit demonstration teaching aid, are people by the conversion of sightless transmission process
The signal that can experience, can explain principle and process that optical fiber transmits to people well.The utility model design and
Optical fiber transmission demonstration teaching aid has been made, by demonstrating visual has showed the process that optical fiber transmits to student, contributes to student to light
The visual understanding of fiber communication and understanding.
Chamber about fiber optic communication principle has very much, but is all that universities' communication and relevant speciality are tested
Equipment, all excessively professional for students in middle and primary schools and masses, the teaching aid as optical fiber transmission principle general education does not all conform to
It is suitable, and price is prohibitively expensive.Based on this, a kind of signal transmission through fiber teaching demonstration device of the novel proposition of this experiment and its making
Method is used for signal transmission through fiber teaching demonstration.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of signal transmission through fiber teaching demonstration device, Ke Yiqing
The light path of the various optical phenomenas such as incidence, reflection or the refraction of the display laser beam of Chu in a fiber, contributes to student to light
The visual understanding of fiber communication and understanding.
In order to achieve the above objectives, the utility model provides the following technical solutions：
A kind of signal transmission through fiber teaching demonstration device, including：Light source, for generating optical signal；Transmission medium, for passing
The defeated optical signal, one end are connected with light source；Receiving module, for receiving optical signal, with transmission medium far from light source
One end is connected；Wherein, the optical signal that the light source is sent out is by transmission medium, by transmission and reflection to receiving module.
Optionally, the light source is laser light source.
Optionally, the laser is red laser or green laser.
Optionally, the transmission medium is lucite tube.
Optionally, the lucite tube is straight tube or the bend pipe with several bending sections.
Optionally, the transmission medium is REFRACTIVE LIQUID.
Optionally, the REFRACTIVE LIQUID is mixed by three kinds of transparency liquids immiscible and that density, refractive index are different,
Wherein density maximum liquid and density minimum liquid refractivity specific density is small in liquid refractivity between the two.
Optionally, the receiving module is projection screen or display screen.
Optionally, the optical fiber that the light source is computerized image, the transmission medium is VGA optical transmitter and receivers and is attached thereto,
The receiving module is display screen, and the VGA optical transmitter and receivers are connected with light source, and the optical fiber is connected with receiving module；Wherein,
The light source is inputted with video and/or image format, by the conversion of transmission medium, is obtained digital signal and is transmitted into optical fiber,
Original video and/or image information are reverted in receiving module and are exported.
The beneficial effects of the utility model are：
Using a kind of signal transmission through fiber teaching demonstration device involved in the utility model, it is situated between by different transmission
Matter can clearly clearly show that the various optical phenomenas such as incidence, reflection or the refraction of laser beam in a fiber
Light path can also make student intuitively experience the process of optical fiber transmission in the prior art, experience the principle of optical fiber transmission, pass through
Digitized optical fiber input and output show the essence of fiber optic communication, convert sightless process to the letter that people can experience
Number, contribute to visual understanding and understanding of the student to fiber optic communication.
Other advantages, target and feature of the utility model will be explained in the following description to a certain extent
It states, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or
Person can be instructed from the practice of the utility model.The target of the utility model and other advantages can be said by following
Bright book is realized and is obtained.
Description of the drawings
In order to keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction with attached drawing to this practicality
It is novel to be preferably described in detail, wherein：
Fig. 1 is to use device knot of the solid lucite tube as transmission medium in the embodiments of the present invention one
Structure；
Fig. 2 is device knot of the liquid as transmission medium for using refractive index larger in the embodiments of the present invention two
Structure；
Fig. 3 applies the liquid for using refractive index larger in example three and hollow lucite tube conduct for the utility model reality
The apparatus structure of transmission medium；
Fig. 4 is in the embodiments of the present invention four using VGA optical transmitter and receivers, the apparatus structure of spread fiber picture signal.
Specific implementation mode
Illustrate that the embodiment of the utility model, those skilled in the art can be by this theorys below by way of specific specific example
Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition
Different specific implementation modes are embodied or practiced, and the various details in this specification can also be based on different viewpoints and answer
With carrying out various modifications or alterations under the spirit without departing from the utility model.It should be noted that institute in following embodiment
The diagram of offer only illustrates the basic conception of the utility model in a schematic way, in the absence of conflict, following embodiment and
Feature in embodiment can be combined with each other.
- Fig. 4 is please referred to Fig.1, the element numbers in attached drawing indicate respectively：Light source 1, transmission medium 2, receiving module 3.
Embodiment one
The utility model is related to a kind of signal transmission through fiber teaching demonstration devices, including：Light source 1, for generating optical signal；
Transmission medium 2, is used for transmission the optical signal, and one end is connected with light source 1；Receiving module 3, for receiving optical signal, with
The one end of transmission medium 2 far from light source 1 is connected；Wherein, the optical signal that the light source 1 is sent out is by transmission medium 2, by anti-
It penetrates and is transferred to receiving module 3.The light source 1 sends out laser and is transmitted on receiving module 3 by solid lucite tube.
Embodiment two
The present embodiment from embodiment one unlike, in the present embodiment using REFRACTIVE LIQUID as transmission medium 2, it is described
The transparency liquid that transmission medium 2 is different by three kinds of objectionable interminglings and density, refractive index is different mixes, 1 ＜ ρ of density p, 2 ＜
ρ 3, refractive index n2 ＞ n1 and n2 ＞ n3.The optical signal that the light source 1 is sent out is by REFRACTIVE LIQUID, by transmission and reflection several times
To receiving module 3.Preferably, the liquid is respectively ethyl alcohol, vegetable oil, pure water.
Embodiment three
The present embodiment is unlike embodiment before, using hollow lucite tube and organic in the present embodiment
REFRACTIVE LIQUID is passed through in glass tube as transmission medium 2, the optical signal that the light source 1 is sent out is transported to reception by transmission medium 2
Module 3.Involved lucite tube is made of spiral type silica in the utility model, by heating melt and utilizing
Extruder is extruded from, and can be different shape.The shape of lucite tube in the present embodiment is as shown in Figure 3.
Example IV
The present embodiment is unlike embodiment before, using VGA optical transmitter and receivers and optical fiber composition transmission in the present embodiment
Medium 2, as shown in figure 4, described device includes successively along optical path direction：Light source 1,2 module of transmission medium, receiving module 3, wherein
Light source 1 is computerized image, and 2 module of transmission medium is VGA optical transmitter and receivers and optical fiber, and receiving module 3 is display screen.
Its principle is as follows, at 1 position of light source, passes through video input part of interface device from external various visual forms
The conversion of part, obtains digital video signal, into people FPGA inside to this digital signal carry out resolution format identification coding, RGB
After the relevant treatments such as conversion and row of the signal to YUV signal, field signal coding, 16 data flows are obtained, are expert at, field sequential
Control under, be sent to fiber data processing module, by electrical/optical convert output optical signal transmit in a fiber, receive mould
Block 3, fiber data processing module receive optical signal from optical fiber, are converted by optical electrical, and recovery obtains 16 data flows,
Resolution format identification and row, field signal decoding are carried out, it is laggard to obtain image resolution ratio format and row, field signal
The conversion of row YUV signal to rgb signal restores to obtain original image information, then the conversion by video output section interface device
Output, and raw video signal is obtained in receiving module 3, complete transmission of video.
Using a kind of signal transmission through fiber teaching demonstration device involved in the utility model, it is situated between by different transmission
Matter 2 can clearly clearly show that the various optical phenomenas such as incidence, reflection or the refraction of 1 light of light source in a fiber
Light path, student can also be made intuitively to experience the process of the transmission of optical fiber in the prior art, experience the principle of optical fiber transmission, led to
The essence that digitized optical fiber input and output show fiber optic communication is crossed, sightless process is converted into what people can experience
Signal contributes to visual understanding and understanding of the student to fiber optic communication.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this
The technical solution of utility model is modified or replaced equivalently, should all without departing from the objective and range of the technical program
Cover in the right of the utility model.
Claims (9)
1. a kind of signal transmission through fiber teaching demonstration device, which is characterized in that including：
Light source, for generating optical signal；
Transmission medium, is used for transmission the optical signal, and one end is connected with light source；
Receiving module is connected for receiving optical signal with the one end of transmission medium far from light source；
Wherein, the optical signal that the light source is sent out is by transmission medium, by transmission and reflection to receiving module.
2. signal transmission through fiber teaching demonstration device as described in claim 1, which is characterized in that the light source is laser
Light source.
3. signal transmission through fiber teaching demonstration device as described in claim 2, which is characterized in that the laser is red sharp
Light or green laser.
4. signal transmission through fiber teaching demonstration device as described in claim 1, which is characterized in that the transmission medium is to have
Machine glass tube.
5. signal transmission through fiber teaching demonstration device as described in claim 4, which is characterized in that the lucite tube is
Straight tube or bend pipe with several bending sections.
6. signal transmission through fiber teaching demonstration device as described in claim 1, which is characterized in that the transmission medium is
REFRACTIVE LIQUID.
7. signal transmission through fiber teaching demonstration device as described in claim 6, which is characterized in that the REFRACTIVE LIQUID is by three kinds
The different transparency liquid of immiscible and density, refractive index mixes, wherein density maximum liquid and density minimum liquid
The liquid refractivity that refractive index specific density is between the two is small.
8. signal transmission through fiber teaching demonstration device as described in claim 1, which is characterized in that the receiving module is to throw
Shadow screen or display screen.
9. signal transmission through fiber teaching demonstration device as described in claim 1, which is characterized in that the light source is computer image
Picture, the transmission medium are VGA optical transmitter and receivers and the optical fiber being attached thereto, and the receiving module is display screen, VGA light end
Machine is connected with light source, and the optical fiber is connected with receiving module；Wherein, the light source is inputted with video and/or image format,
By the conversion of transmission medium, obtains digital signal and transmit into optical fiber, original video and/or image are reverted in receiving module
Information simultaneously exports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721529770.0U CN207833757U (en) | 2017-11-14 | 2017-11-14 | A kind of signal transmission through fiber teaching demonstration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721529770.0U CN207833757U (en) | 2017-11-14 | 2017-11-14 | A kind of signal transmission through fiber teaching demonstration device |
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| CN207833757U true CN207833757U (en) | 2018-09-07 |
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| CN201721529770.0U Expired - Fee Related CN207833757U (en) | 2017-11-14 | 2017-11-14 | A kind of signal transmission through fiber teaching demonstration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508322A (en) * | 2019-01-30 | 2020-08-07 | 广州市赛恩斯教育科技有限公司 | Light propagation experiment demonstration method |
-
2017
- 2017-11-14 CN CN201721529770.0U patent/CN207833757U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508322A (en) * | 2019-01-30 | 2020-08-07 | 广州市赛恩斯教育科技有限公司 | Light propagation experiment demonstration method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20191114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |