CN205787792U - A kind of computer network teaching test device - Google Patents
A kind of computer network teaching test device Download PDFInfo
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- CN205787792U CN205787792U CN201620719955.7U CN201620719955U CN205787792U CN 205787792 U CN205787792 U CN 205787792U CN 201620719955 U CN201620719955 U CN 201620719955U CN 205787792 U CN205787792 U CN 205787792U
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Abstract
The utility model discloses a kind of computer network teaching test device, including casing body, casing body is provided with display screen, display screen upper end is provided with photographic head, display screen lower end is provided with mike, it is respectively equipped with loudspeaker in upper end, casing body both sides, it is respectively equipped with input interface and output interface in lower end, casing body both sides, input interface connects external fiber transmission equipment, fibre optic transmission equipment connects coding experiments equipment, machine enclosure interior is provided with main control module, display module and wireless anti-interference transport module, this utility model structural principle is simple, easy to use, it is capable of the relevant education experiment of computer network, alleviate teachers ' teaching burden, improve teaching efficiency simultaneously.
Description
Technical field
This utility model relates to computer network teaching technical field, is specially a kind of computer network teaching experiment dress
Put.
Background technology
Colleges and universities mainly cultivate the application of net talent and will directly be engaged in Computer Network Design, build, manage and service
Work, has all offered network courses.Experiment is one of important means of teaching, can deepen student to theoretical knowledge by experiment
Understanding, be conducive to improve student manipulative ability, make theory and practice organically be combined.A lot of schools are equipped with accordingly
Experimental instruments.But it is traditional that the new technique of development, the day by day communication network of complexity make school remain in
Existing Specialty Experiment in mode does not adapt to the requirement of modern communication technology.
Utility model content
The purpose of this utility model is to provide a kind of computer network teaching test device, to solve above-mentioned background technology
The problem of middle proposition.
For achieving the above object, this utility model following technical scheme of offer: a kind of computer network teaching test device,
Including casing body, described casing body is provided with display screen, and described display screen upper end is provided with photographic head, and described display screen lower end is provided with
Mike, is respectively equipped with loudspeaker in upper end, described casing body both sides, is respectively equipped with input in lower end, described casing body both sides
Interface and output interface, described input interface connects external fiber transmission equipment, and described fibre optic transmission equipment connects coding experiments
Equipment, described machine enclosure interior is provided with main control module, display module and wireless anti-interference transport module, and described main control module leads to
Crossing the optical fiber transmission module in fibre optic transmission equipment and connect coding experiments equipment, described main control module is by wireless anti-interference transmission
Module connects teacher's terminating machine, and described main control module is also respectively connected with display module, photographic head, mike and loudspeaker.
Preferably, described optical fiber transmission module includes level switch module, the first fiber optical transceiver, the second fiber optical transceiver
And signal shaping module, described level switch module one end connects the first communication interface, the described level switch module other end
Connecting the first fiber optical transceiver, described first fiber optical transceiver connects the second fiber optical transceiver by plastic optical fiber, and described second
Fiber optical transceiver connects the second communication interface by signal shaping module.
Preferably, described wireless anti-interference transport module includes the first optocoupler, the second optocoupler, described first optocoupler VF+ end
Connecting power end by resistance D, two N/C ends and VE end are the most unsettled, the VF-end connecting triode B current collection of described first optocoupler
Pole, audion B grounded emitter, base stage connects resistance B one end, the resistance B other end connecting triode A colelctor electrode and resistance respectively
C one end, resistance C other end ground connection, audion A grounded emitter, base stage by resistance A connect signal input part, described first
The GND end ground connection of optocoupler, the VO end of the first optocoupler connects the VF-end of electric capacity A one end, electric capacity B one end and the second optocoupler respectively,
The electric capacity A other end and the equal ground connection of the electric capacity B other end；Described second optocoupler VF+ end connects power end, two N/C ends by resistance E
The most unsettled with VE end, the GND end ground connection of described second optocoupler, the VO end of described second optocoupler connects resistance F one end and signal is defeated
Going out end, the resistance F other end connects power end.
Compared with prior art, the beneficial effects of the utility model are:
(1) this utility model structural principle is simple, easy to use, it is possible to realize the relevant education experiment of computer network,
Alleviate teachers ' teaching burden, improve teaching efficiency simultaneously.
(2) the fibre optic transmission equipment capacity of resisting disturbance that this utility model uses is strong, it is possible to increase the reality of coding experiments equipment
Test data transmission efficiency, improve student experimenting.
(3) the wireless anti-interference transport module that this utility model uses can be to the experimental data of student, experimental status etc.
Experiment information is transferred to teacher's terminal real-time, improves experiment management efficiency and the quality of teacher.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；
Fig. 2 is control principle block diagram of the present utility model；
Fig. 3 is optical fiber transmission module theory diagram of the present utility model；
Fig. 4 is wireless anti-interference transport module schematic diagram of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Fig. 1-4, a kind of technical scheme of this utility model offer: a kind of computer network teaching test device, bag are provided
Including casing body 1, described casing body 1 is provided with display screen 2, and described display screen 2 upper end is provided with photographic head 3, described display screen 2 lower end
It is provided with mike 4, is respectively equipped with loudspeaker 5 in upper end, described casing body 1 both sides, in lower end, described casing body 1 both sides respectively
Being provided with input interface 6 and output interface 7, described input interface 6 connects external fiber transmission equipment 8, described fibre optic transmission equipment 8
Connecting coding experiments equipment 9, described casing body 1 is internal is provided with main control module 10, display module 11 and wireless anti-interference transmission
Module 12, described main control module 10 connects coding experiments equipment 9, institute by the optical fiber transmission module 13 in fibre optic transmission equipment 8
Stating main control module 10 and connect teacher's terminating machine 15 by wireless anti-interference transport module 14, described main control module 10 is also respectively connected with
Display module 11, photographic head 3, mike 4 and loudspeaker 5.
In the present embodiment, optical fiber transmission module 13 includes level switch module the 16, first fiber optical transceiver the 17, second optical fiber
Transceiver 18 and signal shaping module 19, described level switch module 16 one end connects the first communication interface 20, described level
Modular converter 16 other end connects the first fiber optical transceiver 17, and described first fiber optical transceiver 17 connects the by plastic optical fiber 21
Two fiber optical transceivers 18, described second fiber optical transceiver 18 connects the second communication interface 22, this reality by signal shaping module 19
It is strong with the fibre optic transmission equipment capacity of resisting disturbance of novel employing, it is possible to increase the experimental data efficiency of transmission of coding experiments equipment,
Improve student experimenting.
In the present embodiment, wireless anti-interference transport module 14 includes first optocoupler the 23, second optocoupler 24, described first optocoupler
23VF+ end connects power end by resistance D 4a, and two N/C ends and VE end are the most unsettled, and the VF-end of described first optocoupler 23 connects
Audion B 2c colelctor electrode, audion B 2c grounded emitter, base stage connects resistance B 2a one end, and the resistance B 2a other end is respectively
Connecting triode A 1c colelctor electrode and resistance C 3a one end, resistance C 3a other end ground connection, audion A 1c grounded emitter, base
Pole connects signal input part by resistance A 1a, and the GND end ground connection of described first optocoupler 23, the VO end of the first optocoupler 23 connects respectively
Connect electric capacity A 1b one end, electric capacity B 2b one end and the VF-end of the second optocoupler 23, the electric capacity A 1b other end and electric capacity B 2b another
Hold equal ground connection；Described second optocoupler 23VF+ end connects power end by resistance E 5a, and two N/C ends and VE end are the most unsettled, described
The GND end ground connection of the second optocoupler 24, the VO end of described second optocoupler 24 connects resistance F 6a one end and signal output part, resistance F
The 6a other end connects power end, and the wireless anti-interference transport module that this utility model uses can be to the experimental data of student, reality
Test the experiment informations such as situation and be transferred to teacher's terminal real-time, improve experiment management efficiency and the quality of teacher.
Operation principle: experimental teaching content is sent to master control mould by coding experiments equipment in real time by fibre optic transmission equipment
Block, student can watch experimental teaching content the most in real time, and student can be with oneself operation experiments, and by experiment information
Sending to teacher's terminating machine in real time, teacher can test remotely monitoring and guiding experiment, improves the efficiency of management, this utility model
Structural principle is simple, easy to use, it is possible to realize the relevant education experiment of computer network, alleviates teachers ' teaching burden, with
Time improve teaching efficiency.
Embodiment the most of the present utility model, for the ordinary skill in the art,
It is appreciated that in the case of without departing from principle of the present utility model and spirit and these embodiments can be carried out multiple change, repair
Changing, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (3)
1. a computer network teaching test device, including casing body, it is characterised in that: described casing body is provided with display
Screen, described display screen upper end is provided with photographic head, and described display screen lower end is provided with mike, in upper end, described casing body both sides respectively
Being provided with loudspeaker, be respectively equipped with input interface and output interface in lower end, described casing body both sides, described input interface connects
External fiber transmission equipment, described fibre optic transmission equipment connect coding experiments equipment, described machine enclosure interior be provided with main control module,
Display module and wireless anti-interference transport module, described main control module is by the optical fiber transmission module in fibre optic transmission equipment even
Connecing coding experiments equipment, described main control module connects teacher's terminating machine, described main control module by wireless anti-interference transport module
It is also respectively connected with display module, photographic head, mike and loudspeaker.
A kind of computer network teaching test device the most according to claim 1, it is characterised in that: described fiber-optic transfer mould
Block includes level switch module, the first fiber optical transceiver, the second fiber optical transceiver and signal shaping module, described level conversion
Module one end connects the first communication interface, and the described level switch module other end connects the first fiber optical transceiver, described first light
Fine transceiver connects the second fiber optical transceiver by plastic optical fiber, and described second fiber optical transceiver is connected by signal shaping module
Second communication interface.
A kind of computer network teaching test device the most according to claim 1, it is characterised in that: described wireless anti-interference
Transport module includes the first optocoupler, the second optocoupler, and described first optocoupler VF+ end connects power end, two N/C ends by resistance D
The most unsettled with VE end, the VF-end connecting triode B colelctor electrode of described first optocoupler, audion B grounded emitter, base stage connects
Resistance B one end, the resistance B other end connecting triode A colelctor electrode and resistance C one end, resistance C other end ground connection, audion A respectively
Grounded emitter, base stage connects signal input part, the GND end ground connection of described first optocoupler, the VO end of the first optocoupler by resistance A
Connect electric capacity A one end, electric capacity B one end and the VF-end of the second optocoupler, the electric capacity A other end and the electric capacity B other end respectively all to connect
Ground；Described second optocoupler VF+ end connects power end by resistance E, and two N/C ends and VE end are the most unsettled, described second optocoupler
GND end ground connection, the VO end of described second optocoupler connects resistance F one end and signal output part, and the resistance F other end connects power end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620719955.7U CN205787792U (en) | 2016-06-29 | 2016-06-29 | A kind of computer network teaching test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620719955.7U CN205787792U (en) | 2016-06-29 | 2016-06-29 | A kind of computer network teaching test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205787792U true CN205787792U (en) | 2016-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620719955.7U Expired - Fee Related CN205787792U (en) | 2016-06-29 | 2016-06-29 | A kind of computer network teaching test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205787792U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106846677A (en) * | 2017-01-11 | 2017-06-13 | 北京鼎合思锐软件技术有限公司 | A kind of multimedia checkout station of view-based access control model identification technology |
| CN112634687A (en) * | 2020-12-30 | 2021-04-09 | 重庆医科大学 | Digital education technology teaching information control method and system |
-
2016
- 2016-06-29 CN CN201620719955.7U patent/CN205787792U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106846677A (en) * | 2017-01-11 | 2017-06-13 | 北京鼎合思锐软件技术有限公司 | A kind of multimedia checkout station of view-based access control model identification technology |
| CN112634687A (en) * | 2020-12-30 | 2021-04-09 | 重庆医科大学 | Digital education technology teaching information control method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20180629 |
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| CF01 | Termination of patent right due to non-payment of annual fee |