CN207518686U - A kind of recording and broadcasting system based on cloud teaching platform - Google Patents
A kind of recording and broadcasting system based on cloud teaching platform Download PDFInfo
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- CN207518686U CN207518686U CN201721475013.XU CN201721475013U CN207518686U CN 207518686 U CN207518686 U CN 207518686U CN 201721475013 U CN201721475013 U CN 201721475013U CN 207518686 U CN207518686 U CN 207518686U
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Abstract
The utility model discloses a kind of recording and broadcasting systems based on cloud teaching platform, its key points of the technical solution are that including projecting apparatus, several cameras and the computer for being connected to several cameras and projecting apparatus, cloud education services platform is connected on computer, remote component includes infrared encoder and the infrared transmitting tube being connected on infrared encoder output terminal, and several buttons are connected on the input terminal of infrared encoder；Local component includes infrared receiver decoder and the infrared receiving tube being connected on infrared receiver decoder input terminal, and infrared receiver decoder, with the frequency according to infrared light, corresponding received IR signal is exported from its output terminal by infrared receiving tube；Air blowing component includes balloon member and extruded member, and gas nozzle is connected in balloon member, and gas nozzle is opposite with the camera lens of camera, and extruded member is controlled by received IR signal and starts for extruding gasbag component.
Description
Technical field
The utility model is related to recording and broadcasting system field, more particularly to a kind of recording and broadcasting system based on cloud teaching platform.
Background technology
With the continuous development of electronic communication field, the related subject of electronic instruction has progressed into regarding for people
Open country, some learning machines or computer for learning on existing market realize the facility of teaching by the good course of played pre-recorded
Change, the public of prominent teacher's resource.
At present, notification number is that the Chinese patent of CN204650604U discloses a kind of interaction based on cloud education services platform
Recording and broadcasting system, including camera, microphone, loud speaker, projecting apparatus and the computer being connect with above-mentioned each equipment, computer connection
Cloud education services platform.Teacher is being recorded by computer playing demonstration document or video, camera and microphone records teacher
The Voice and Video taught in classroom（Including projection image）, and the Voice and Video recorded is stored in computer, it counts
The curriculum video recorded is simultaneously uploaded to cloud education services platform by calculation machine, is learned for logging in the user of cloud education services platform
It practises, viewing.
Wherein, above-mentioned camera is recorded since camera is suspended on the ceiling of classroom in recording process, camera
Cleaning is inconvenient, it is long-term under, the easy dust stratification of camera lens of camera, so as to which the video image that camera is caused to shoot obscures,
The quality for the video of giving lessons that image recording uploads.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of records based on cloud teaching platform
Broadcast system can improve the clarity of the video image of recording to a certain extent.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of recording and broadcasting system based on cloud teaching platform including projecting apparatus, several cameras and is connected to several
The computer of camera and projecting apparatus is connected with cloud education services platform on the computer, which further includes remotely
Component and the local component being arranged on each camera and air blowing component；
Remote component includes infrared encoder and the infrared transmitting tube being connected on infrared encoder output terminal, described
Several buttons are connected on the input terminal of infrared encoder；
Local component includes infrared receiver decoder and the infrared receiver being connected on infrared receiver decoder input terminal
Pipe, the infrared receiver decoder, with the infrared light frequency according to reception, are answered by infrared receiving tube from its output terminal the output phase
Received IR signal；
Air blowing component includes balloon member and extruded member, is connected with gas nozzle in the balloon member, the gas nozzle is with taking the photograph
As the camera lens of head is opposite, the extruded member is controlled by received IR signal and starts for extruding gasbag component.
Through the above technical solutions, each recording has several cameras in classroom, when the mirror of wherein some camera
Head can not be shot because of dust when understanding picture, and remote component is aligned to the local component of corresponding camera, press it is corresponding originally
The button of ground component, infrared encoder emit the infrared ray of respective frequencies by infrared transmitting tube, and local component is red according to receiving
The frequency of outer light is to export corresponding received IR signal, and control extruded member starts, extruded member extruding gasbag component, air bag
Gas in component is sprayed from gas nozzle the dust on camera minute surface to be blown off, so as to improve the clear of the video image of recording
Clear degree；It and in a manner that air-flow blows dust, can avoid that camera minute surface is caused to damage.
Preferably, the balloon member include be arranged on camera mounting shell, be arranged in mounting shell pneumatophore,
And the air inlet pipe and air outlet pipe of pneumatophore are connected to, the air outlet pipe is connected with gas nozzle, and air inlet is provided in the air inlet pipe
Check valve is provided with outgassing nonreturn valve in the air outlet pipe.
Through the above technical solutions, when pneumatophore is extruded, the gas in pneumatophore can only pass through outgassing nonreturn valve from
It is discharged in air outlet pipe, wherein, breather check valve is used for the make-up gas into pneumatophore, and outgassing nonreturn valve is used for will be in pneumatophore
Gas is discharged, the purpose that the gas circulation being consequently formed in pneumatophore uses.
Preferably, the extruded member includes the putting part being arranged on mounting shell and is slidably mounted on mounting shell
Pressure ram, one end of the pressure ram offsets with pneumatophore and the other end is extend into putting part, and the pressure ram, which is located at, to be held
It puts the end in shell and magnetic part is installed, electromagnet, homopolarity between the electromagnet and magnetic part are provided in the putting part
Relatively, the electromagnet is controlled by local component.
Through the above technical solutions, when electromagnet is controlled by local component and starts, electromagnet obtains electric generation magnetism, electromagnetism
Iron is opposite with magnetic part homopolarity, the magnetic force that electromagnet repels each other with magnetic part generation as a result, pressure ram court under the action of magnetic part
It is moved to pneumatophore side, pressure ram applies pressure to pneumatophore, and the gas extrusion in pneumatophore is gone out, and completes gas nozzle outlet
Process.
Preferably, it is socketed with to provide elastic component of the pressure ram towards electromagnet side elastic force on the pressure ram.
Through the above technical solutions, the setting of elastic component can drive pressure ram to reset faster, to improve user repeatedly
Pressure ram extruding gasbag body is driven to complete the process of outlet.
Preferably, the end that the pressure ram is in contact with pneumatophore is connected with stripper plate.
Through the above technical solutions, the setting of stripper plate can improve the contact area of pressure ram and pneumatophore, gas is improved
Gas output when utricule is squeezed.
Preferably, there are several addressable ports, on each addressable port and each camera on the infrared encoder
Local component is corresponding, and each button correspondence is electrically connected on each addressable port.
Through the above technical solutions, each addressable port is correspondingly connected with a button, each addressable port is more enough drive it is red
Outer transmitting tube sends out the infrared light of specific frequency so that corresponding infrared receiving tube can receive.
Preferably, microphone and loud speaker are also associated on the computer.
Through the above technical solutions, the sound of teachers' instruction is enlarged by microphone and loud speaker, microphone record
It makes the sound for the lecturer that gives lessons and is uploaded to cloud education services platform to be transmitted to computer formation audio data.
In conclusion the utility model having the beneficial effect that in contrast to the prior art：
Remote component is aligned to the local component of corresponding camera, presses the button of corresponding local component, infrared encoder
Emit the infrared ray of respective frequencies by infrared transmitting tube, local component is corresponding red to export according to the frequency for receiving infrared light
The external collection of letters number, control extruded member start, extruded member extruding gasbag component, and the gas in balloon member is sprayed from gas nozzle
The dust on camera minute surface to be blown off, so as to improve the clarity of the video image of recording.
Description of the drawings
Fig. 1 is the system block diagram of embodiment；
Fig. 2 is the structure diagram of embodiment medium-long range component；
Fig. 3 is the structure diagram of local component in embodiment；
Fig. 4 is the scheme of installation of air blowing component in embodiment；
Fig. 5 is the structure diagram of air blowing component in embodiment；
Fig. 6 is the circuit diagram of infrared encoder in embodiment.
Reference numeral：1st, camera；2nd, remote component；21st, housing；22nd, infrared encoder；3rd, local component；4th, it blows
Component；41st, balloon member；411st, mounting shell；412nd, pneumatophore；413rd, air inlet pipe；414th, air outlet pipe；415th, breather check valve；
416th, outgassing nonreturn valve；42nd, extruded member；421st, putting part；422nd, pressure ram；423rd, elastic component；424th, magnetic part；425th, it is electric
Magnet；426th, stripper plate；43rd, gas nozzle.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of recording and broadcasting system based on cloud teaching platform, including projecting apparatus, several cameras 1, Yi Jifen
It is not connected to the computer of several cameras 1 and projecting apparatus, microphone and loud speaker are also associated on computer, is connected on computer
It is connected to cloud education services platform.Teacher is existed by computer playing demonstration document or video, camera and microphone records teacher
Record the Voice and Video taught in classroom（Including projection image）, and the Voice and Video recorded is stored in computer
Interior, the curriculum video recorded is simultaneously uploaded to cloud education services platform by computer, for logging in the use of cloud education services platform
Family study, viewing.
With reference to shown in Fig. 2 and Fig. 3, which further includes remote component 2 and is arranged on each camera 1
Local component 3 and air blowing component 4；In the present embodiment, in one is recorded classroom, there are four the quantity settings of camera 1.
Wherein, remote component 2 is held in corresponding staff's hand.As shown in Fig. 2, remote component 2 includes housing 21, sets
The infrared transmitting tube L1 for putting the infrared encoder 22 in housing 21 and being connected on 22 output terminal of infrared encoder is infrared
Several button S1, S2, S3, S4 are connected on the input terminal of encoder 22, the power supply for providing electric energy is provided in housing 21.
Specifically, as shown in fig. 6, having several addressable ports on infrared encoder 22, on each addressable port and each camera 1
Local component 3 is corresponding, and each button correspondence is electrically connected on each addressable port.It is red as a result, by pressing corresponding button
The output terminal of outer encoder 22 will export specific frequency signal the break-make frequency of triode Q1 to be controlled to cause infrared transmitting tube
L1 sends out the infrared light of different frequency.
As shown in figure 3, local component 3 includes infrared receiver decoder and is connected to infrared receiver decoder input terminal
On infrared receiving tube L2, infrared receiver decoder by infrared receiving tube with the infrared light frequency according to reception, from its output
End exports corresponding received IR signal；Specifically, infrared receiving tube L2 obtains spy according to the tranmitting frequency of infrared transmitting tube L1
Fixed receives frequency, the infrared receiver decoder on each camera 1 are set to be only capable of to identify specific receives frequency and defeated
Go out corresponding received IR signal, will not be identified when the receives frequency of infrared receiving tube L2 changes by infrared receiver decoder.
As shown in figure 4, air blowing component 4 includes balloon member 41 and extruded member 42, gas nozzle is connected in balloon member 41
43, gas nozzle 43 is opposite with the camera lens of camera 1, and extruded member 42 is controlled by received IR signal and starts for extruding gasbag structure
Part 41.Specifically, as shown in figure 5, balloon member 41 includes the mounting shell 411 being arranged on camera 1, is arranged on mounting shell
Pneumatophore 412 in 411 and the air inlet pipe 413 of pneumatophore 412 and air outlet pipe 414 are connected to, air outlet pipe 414 and gas nozzle 43
It is connected, breather check valve 415 is provided in air inlet pipe 413, outgassing nonreturn valve 416 is provided in air outlet pipe 414.
Wherein, extruded member 42 includes the putting part 421 being arranged on mounting shell 411 and is slidably mounted on mounting shell
Pressure ram 422 on 411, one end of pressure ram 422 offsets with pneumatophore 412 and the other end is extend into putting part 421, squeezes
It is socketed with to provide elastic component 423 of the pressure ram 422 towards 425 side elastic force of electromagnet on bar 422.In the present embodiment, bullet
Property part 423 use elastic spring.The end that pressure ram 422 is located in putting part 421 is equipped with magnetic part 424, in putting part 421
Electromagnet 425 is provided with, homopolarity is opposite between electromagnet 425 and magnetic part 424, and electromagnet 425 is controlled by local component 3.It squeezes
Compression bar 422 is connected with stripper plate 426 with the end that pneumatophore 412 is in contact.
The course of work：
When the shooting picture of 1# cameras 1 is unintelligible, remote component 2 is aligned to the local component 3 of 1# cameras 1, is pressed
Button S1 on lower remote component 2, infrared encoder 22 emit the infrared ray of respective frequencies by infrared transmitting tube L1, this is infrared
Line is received and identified by infrared receiver decoder by the infrared receiving tube L2 in 1 local component 3 of 1# cameras, infrared receiver decoding
Device according to the frequency for receiving infrared light to export corresponding received IR signal to triode Q2, triode Q2 control electromagnet
425 must be electric, and electromagnet 425 obtains electric generation magnetism, and electromagnet 425 is opposite with 424 homopolarity of magnetic part, as a result, electromagnet 425 and magnetic
Property part 424 generate the magnetic force that repels each other, pressure ram 422 moves under the action of magnetic part 424 towards 412 side of pneumatophore, squeezes
Bar 422 applies pressure to pneumatophore 412, and the gas extrusion in pneumatophore 412 is gone out, and completes the process of 43 outlet of gas nozzle, gas
Gas in utricule 412 is sprayed from gas nozzle 43 the dust on 1 minute surface of camera to be blown off, so as to improve the video shadow of recording
The clarity of picture.
The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention
It encloses, the scope of protection of the utility model is determined by appended claim.
Claims (7)
1. a kind of recording and broadcasting system based on cloud teaching platform, including projecting apparatus, several cameras (1) and if being connected to
Dry camera (1) and the computer of projecting apparatus are connected with cloud education services platform on the computer, which is characterized in that the record
The local component (3) and air blowing component (4) that broadcast system further includes remote component (2) and is arranged on each camera (1)；
Remote component (2) includes infrared encoder (22) and the infrared emission being connected on infrared encoder (22) output terminal
It manages, several buttons is connected on the input terminal of the infrared encoder (22)；
Local component (3) includes infrared receiver decoder and the infrared receiver being connected on infrared receiver decoder input terminal
Pipe, the infrared receiver decoder, with the infrared light frequency according to reception, are answered by infrared receiving tube from its output terminal the output phase
Received IR signal；
Air blowing component (4) includes balloon member (41) and extruded member (42), and gas nozzle is connected on the balloon member (41)
(43), the gas nozzle (43) is opposite with the camera lens of camera (1), and the extruded member (42) is controlled by received IR signal startup
For extruding gasbag component (41).
A kind of 2. recording and broadcasting system based on cloud teaching platform according to claim 1, which is characterized in that the balloon member
(41) including the mounting shell (411) being arranged on camera (1), the pneumatophore (412) being arranged in mounting shell (411) and
The air inlet pipe (413) of pneumatophore (412) and air outlet pipe (414) are connected to, the air outlet pipe (414) is connected with gas nozzle (43), institute
It states and breather check valve (415) is provided in air inlet pipe (413), outgassing nonreturn valve (416) is provided on the air outlet pipe (414).
A kind of 3. recording and broadcasting system based on cloud teaching platform according to claim 2, which is characterized in that the extruded member
(42) including the putting part (421) being arranged on mounting shell (411) and the pressure ram being slidably mounted on mounting shell (411)
(422), one end of the pressure ram (422) offsets with pneumatophore (412) and the other end is extend into putting part (421), described
End of the pressure ram (422) in putting part (421) is equipped with magnetic part (424), and electricity is provided in the putting part (421)
Magnet (425), homopolarity is opposite between the electromagnet (425) and magnetic part (424), and the electromagnet (425) is controlled by local
Component (3).
A kind of 4. recording and broadcasting system based on cloud teaching platform according to claim 3, which is characterized in that the pressure ram
(422) it is socketed with to provide elastic component (423) of the pressure ram (422) towards electromagnet (425) side elastic force on.
A kind of 5. recording and broadcasting system based on cloud teaching platform according to claim 3, which is characterized in that the pressure ram
(422) end being in contact with pneumatophore (412) is connected with stripper plate (426).
A kind of 6. recording and broadcasting system based on cloud teaching platform according to claim 1, which is characterized in that the infrared coding
There are several addressable ports, each addressable port is corresponding with the local component (3) on each camera (1), often on device (22)
A button correspondence is electrically connected on each addressable port.
7. a kind of recording and broadcasting system based on cloud teaching platform according to claim 1, which is characterized in that on the computer
It is also associated with microphone and loud speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721475013.XU CN207518686U (en) | 2017-11-07 | 2017-11-07 | A kind of recording and broadcasting system based on cloud teaching platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721475013.XU CN207518686U (en) | 2017-11-07 | 2017-11-07 | A kind of recording and broadcasting system based on cloud teaching platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207518686U true CN207518686U (en) | 2018-06-19 |
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ID=62536939
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721475013.XU Active CN207518686U (en) | 2017-11-07 | 2017-11-07 | A kind of recording and broadcasting system based on cloud teaching platform |
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| Country | Link |
|---|---|
| CN (1) | CN207518686U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112887890A (en) * | 2021-01-07 | 2021-06-01 | 林洋 | Device for intelligently manufacturing communication vehicle-mounted radio and automatically concentrating and amplifying sound |
-
2017
- 2017-11-07 CN CN201721475013.XU patent/CN207518686U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112887890A (en) * | 2021-01-07 | 2021-06-01 | 林洋 | Device for intelligently manufacturing communication vehicle-mounted radio and automatically concentrating and amplifying sound |
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