CN109309807A - Video Conference Controlling System - Google Patents
Video Conference Controlling System Download PDFInfo
- Publication number
- CN109309807A CN109309807A CN201811294404.0A CN201811294404A CN109309807A CN 109309807 A CN109309807 A CN 109309807A CN 201811294404 A CN201811294404 A CN 201811294404A CN 109309807 A CN109309807 A CN 109309807A
- Authority
- CN
- China
- Prior art keywords
- capacitor
- module
- bridge rectifier
- chip microcontroller
- triode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
Abstract
The invention discloses a kind of Video Conference Controlling Systems, including mobile terminal, wireless communication module, single-chip microcontroller, camera, conference terminal and power module, the picture of camera shooting meeting scene all angles simultaneously sends single-chip microcontroller to, received picture is converted to three-dimensional panorama figure by single-chip microcontroller, and by the model integrated of conference terminal in three-dimensional panorama figure, module is sent to mobile terminal to panorama sketch after will be integrated by wireless communication, conference terminal includes the display screen connecting with single-chip microcontroller, headlamp, sound equipment, microphone, electronic table tablet stand and television server, power module is connect with single-chip microcontroller；Power module includes DC power supply, fuse, the first inductance, the first bridge rectifier, the second bridge rectifier, first capacitor, the second capacitor, third diode, the first triode, the second zener diode, third capacitor and voltage output end.Circuit structure of the present invention is relatively simple, cost is relatively low, maintain easily, the safety and reliability of circuit is higher.
Description
Technical field
The present invention relates to video conferencing system field, in particular to a kind of Video Conference Controlling System.
Background technique
Video conference refers to that the people positioned at two or more places are handed over face-to-face by communication equipment and network
The meeting of what is said or talked about.Different according to place number of attending a meeting, video conference can be divided into point-to-point meeting and multipoint conference.In daily life
Individual does not require the safety of conversation content, meeting quality and parliamentary dimension, can use the video as Tencent QQ
Software carries out Video chat.And the business video meeting of government bodies, enterprise and establishment, it is desirable that have the net for stablizing safety
The conditions such as network, reliable meeting quality and formal conferencing environment then need the video conference device using profession, set up special
Video conferencing system.It is shown since such video conferencing system will use TV, also referred to as video conference, video signal
Meeting.The component that the power pack of traditional video conference control system uses is more, and circuit structure is complicated, hardware cost compared with
It is high, it has not been convenient to safeguard.In addition, since the power pack of traditional video conference control system lacks corresponding circuit protection function,
Such as: lack current-limiting protection function, causes the safety and reliability of circuit poor.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, provide a kind of circuit structure compared with
For simple, cost is relatively low, maintains easily, the higher Video Conference Controlling System of the safety and reliability of circuit.
The technical solution adopted by the present invention to solve the technical problems is: a kind of Video Conference Controlling System is constructed, including
Mobile terminal, wireless communication module, single-chip microcontroller, camera, conference terminal and power module, the camera shooting meeting scene
The picture of all angles simultaneously sends the single-chip microcontroller to, and the received picture is converted to three-dimensional panorama figure by the single-chip microcontroller,
And by the model integrated of conference terminal in the three-dimensional panorama figure, the panorama sketch after integrating passes through the wireless communication module
It is sent to the mobile terminal, the single-chip microcontroller receives the control that the mobile terminal inputs by the wireless communication module and refers to
It enables, controls the conducting or truncation of the conference terminal, the conference terminal includes the equal display screen connecting with the single-chip microcontroller, shines
Bright lamp, sound equipment, microphone, electronic table tablet stand and television server, the power module are connect, for powering with the single-chip microcontroller；
The power module includes DC power supply, fuse, the first inductance, the first bridge rectifier, the second bridge rectifier
Device, first capacitor, the second capacitor, third diode, the first triode, the second zener diode, third capacitor and voltage output
End, the anode of the DC power supply by the fuse respectively with one end of first inductance and the second bridge rectifier
Second port connection, the other end of first inductance are connect with the second port of first bridge rectifier, the direct current
The cathode of power supply is connect with the 4th port of the 4th port of first bridge rectifier and the second bridge rectifier respectively, institute
Cathode of the first port of the first port and the second bridge rectifier of stating the first bridge rectifier with the first diode
Connection, the third port of first bridge rectifier third port, the first capacitor with second bridge rectifier respectively
One end, one end of the second capacitor, the anode of third diode and the first triode collector connection, first triode
Base stage connect respectively with one end of the cathode of the third diode, the cathode of the second zener diode and third capacitor, institute
State the anode of first diode respectively with the other end of the first capacitor, the other end of the second capacitor, the second zener diode
Anode, the other end of third capacitor connected with the cathode of voltage output end, the emitter of first triode and the electricity
Press the anode connection of output end, the model S-701T of the third diode.
In Video Conference Controlling System of the present invention, the power module further includes first resistor, and described first
One end of resistance is connect with the base stage of first triode, the other end of the first resistor and second zener diode
Cathode connection, the resistance value of the first resistor is 36k Ω.
In Video Conference Controlling System of the present invention, the power module further includes the 4th capacitor, and the described 4th
One end of capacitor is connect with the emitter of first triode, and the other end of the 4th capacitor is another with the third capacitor
One end connection, the capacitance of the 4th capacitor are 370pF.
In Video Conference Controlling System of the present invention, the power module further includes second resistance, and described second
One end of resistance is connect with one end of second capacitor, the current collection of the other end of the second resistance and first triode
Pole connection, the resistance value of the second resistance are 43k Ω.
In Video Conference Controlling System of the present invention, first triode is NPN type triode.
In Video Conference Controlling System of the present invention, the wireless communication module be bluetooth module, WIFI module,
Gsm module, GPRS module, CDMA module, CDMA2000 module, WCDMA module, TD-SCDMA module, Zigbee module or
LoRa module.
Implement Video Conference Controlling System of the invention, has the advantages that due to being equipped with mobile terminal, channel radio
Believe module, single-chip microcontroller, camera, conference terminal and power module, power module include DC power supply, fuse, the first inductance,
First bridge rectifier, the second bridge rectifier, first capacitor, the second capacitor, third diode, the first triode, second are surely
Press diode, third capacitor and voltage output end, the power module compared with the power pack of traditional video conference control system,
The component that it is used is less, due to saving some components, can reduce hardware cost in this way, in addition, third diode
For providing bias current and current-limiting protection, therefore circuit structure is relatively simple, cost is relatively low, maintains easily, the safety of circuit
Property and reliability are higher.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram in Video Conference Controlling System one embodiment of the present invention；
Fig. 2 is the circuit diagram of power module in the embodiment.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In Video Conference Controlling System embodiment of the present invention, the structural schematic diagram of Video Conference Controlling System such as Fig. 1
It is shown.In Fig. 1, which includes mobile terminal 1, wireless communication module 2, single-chip microcontroller 3, camera 4, meeting
Terminal 5 and power module 6, wherein camera 4 shoots the picture of meeting scene all angles and sends single-chip microcontroller 3, single-chip microcontroller to
Received picture is converted to three-dimensional panorama figure by 3, and by the model integrated of conference terminal 5 in three-dimensional panorama figure, after integrated
Panorama sketch module 2 is sent to mobile terminal 1 by wireless communication, will integrally be presented on mobile terminal 1, mobile terminal 1 can be with
It is mobile phone plane plate computer or PDA etc..
Module 2 receives the control instruction that mobile terminal 1 inputs to single-chip microcontroller 3 by wireless communication, and control conference terminal 5 is led
Logical or truncation, conference terminal 5 include display screen 51, headlamp 52, sound equipment 53, the microphone 54, electronics connecting with single-chip microcontroller 3
Table board 55 and television server 56, power module 6 are connect, for powering with single-chip microcontroller 3.Single-chip microcontroller 3, display screen 51, headlamp
52, sound equipment 53, microphone 54, electronic table tablet stand 55 and television server 56 are all made of can be realized appointing for its function in the prior art
Meaning structure.
Specifically, camera 4 shoots each angle in meeting scene, comprehensive picture is obtained, single-chip microcontroller 3 is passed through
All kinds of conference terminals 5 that internal three-dimensional software (three-dimensional software in the prior art) production three-dimensional panorama figure and needs control
Model using the corresponding integrated software of the prior art by meeting-place three-dimensional panorama figure and all kinds of model integrateds, and is generated by single-chip microcontroller 3
Programmable HTML5 program is deployed in the interface of mobile terminal 1, certain in three-dimensional live is clicked in the interface of mobile terminal 1
One conference terminal 5 (such as sound equipment 53) can correspond on 5 position of conference terminal in the three-dimensional live figure for clicking mobile terminal 1
Key realizes the open and close of the conference terminal 5 and its adjusting of parameter etc. (such as adjusting of 53 volume of sound equipment).
By setting mobile terminal 1, camera 4, single-chip microcontroller 3 and conference terminal 5, the interface operation of mobile terminal 1 is made
For signal input sources, different signals is inputted, single-chip microcontroller 3 controls the conducting of corresponding conference terminal 5 for different signals or cuts
It is disconnected, realize opening or closing for conference terminal 5, centralization control, and three-dimensional panorama figure is presented on the interface of mobile terminal 1,
Realize three-dimensional visualization, operation and use are convenient, and centralization control can reduce the purchase cost of equipment.
In the present embodiment, wireless communication module 2 is bluetooth module, WIFI module, gsm module, GPRS module, CDMA mould
Block, CDMA2000 module, WCDMA module, TD-SCDMA module, Zigbee module or LoRa module.It is a variety of wireless by being arranged
Communication mode can not only increase the flexibility of communication, moreover it is possible to meet the needs of different user and different occasions.Especially
When it is using LoRa module, farther out, and communication performance is relatively stable, is suitable for higher to QoS requirement for communication distance
Occasion.
Fig. 2 is the circuit diagram of power module in the present embodiment, in Fig. 2, the power module 6 include DC power supply VCC,
Fuse Fs, the first inductance L1, the first bridge rectifier Z1, the second bridge rectifier Z2, first capacitor C1, the second capacitor C2,
Third diode D3, the first triode Q1, the second zener diode D2, third capacitor C3 and voltage output end Vo, wherein direct current
The anode of power supply VCC is connected with the second port of one end of the first inductance L1 and the second bridge rectifier Z2 respectively by fuse Fs
Connect, the other end of the first inductance L1 is connect with the second port of the first bridge rectifier Z1, the cathode of DC power supply VCC respectively with
The 4th port of first bridge rectifier Z1 is connected with the 4th port of the second bridge rectifier Z2, the first bridge rectifier Z1's
First port and the first port of the second bridge rectifier Z2 are connect with the cathode of first diode D1, the first bridge rectifier
The third port of Z1 respectively with the third port of the second bridge rectifier Z2, one end of first capacitor C1, the second capacitor C2 one
The collector connection at end, the anode of third diode D3 and the first triode Q1, the base stage of the first triode Q1 respectively with third
The cathode of diode D3, the second zener diode D2 cathode connected with one end of third capacitor C3, the sun of first diode D1
Pole respectively with the other end of first capacitor C1, the other end of the second capacitor C2, the anode of the second zener diode D2, third capacitor
The other end of C3 is connected with the cathode of voltage output end Vo, and the emitter of the first triode Q1 and the anode of voltage output end Vo connect
It connects.
For the power module 6 compared with the power pack of traditional video conference control system, the component used is less, electricity
Line structure is relatively simple, maintains easily, and due to saving some components, hardware cost can be reduced in this way, in addition, the three or two
Pole pipe D3 is Current Limiting Diodes, and for carrying out current-limiting protection, therefore the safety and reliability of circuit is higher.It is worth mentioning
It is that in the present embodiment, the model S-701T of third diode D3, certainly, in practical applications, third diode D3 can also be with
There is the diode of similar functions using other models.
The working principle of the power module 6 is as follows: the first inductance L1 is core inductance, and sensibility reciprocal size is by alternating current size
It determines, plays the role of power factor compensation.First bridge rectifier Z1, the second bridge rectifier Z2, first diode D1,
First capacitor C1 and the second capacitor C2 constitutes rectification circuit；In work, third capacitor C3 plays filtering, eliminates the coupling by power supply
Voltage is become more stable by the effect of conjunction, and the three or two diode D3 provides bias current and current-limiting protection, and specifically electric current is through the
Three diode D3 provide bias current to the second zener diode D2, make the second zener diode D2 reverse-conducting and end voltage is permanent
It is scheduled in pressure stabilizing value, the base stage of the first triode Q1 also accesses this pressure stabilizing point simultaneously, then the base stage electricity of the first triode Q1
Pressure is by " stabilization ", since the conducting voltage of the base-emitter of the first triode Q1 is also a steady state value, and the electricity of emitter
Pressure is controlled by base stage, therefore the voltage stabilization of emitter: the pressure stabilizing value of the second zener diode D2 subtracts the base of the first triode Q1
In the stationary value of pole-emitter conducting voltage.
In the present embodiment, which is NPN type triode.Certainly, in practical applications, the first triode Q1
It may be PNP type triode, but at this moment the structure of circuit also will accordingly change.
In the present embodiment, which further includes first resistor R1, one end of first resistor R1 and the first triode Q1
Base stage connection, the other end of first resistor R1 connect with the cathode of the second zener diode D2.First resistor R1 is limited galvanic electricity
Resistance, for carrying out current-limiting protection, to further enhance the safety and reliability of circuit.It is noted that in the present embodiment,
The resistance value of first resistor R1 is 36k Ω, certainly, in practical applications, the resistance value of first resistor R1 can as the case may be into
The corresponding adjustment of row, that is, the resistance value of first resistor R1 can be increased accordingly or be reduced as the case may be.
In the present embodiment, which further includes the 4th capacitor C4, one end of the 4th capacitor C4 and the first triode Q1
Emitter connection, the other end of the 4th capacitor C4 connect with the other end of third capacitor C3.4th capacitor C4 is filter capacitor,
For filtering clutter, further to enhance the safety and reliability of circuit.It is noted that in the present embodiment, the 4th
The capacitance of capacitor C4 is 370pF, certainly, in practical applications, the capacitance of the 4th capacitor C4 can as the case may be into
The corresponding adjustment of row, that is, the capacitance of the 4th capacitor C4 can be increased accordingly or be reduced as the case may be.
In the present embodiment, 6 pieces of the power supply mould further includes second resistance R2, and one end of second resistance R2 is with the second capacitor C2's
The collector of one end connection, the other end of second resistance R2 and the first triode Q1 connect.Second resistance R2 is current-limiting resistance, is used for
Current-limiting protection is carried out to the collector current of the first triode Q1, to further enhance current limitation effect.It is noted that this reality
It applies in example, the resistance value of second resistance R2 is 43k Ω, and certainly, in practical applications, the resistance value of second resistance R2 can be according to specific
Situation is increased accordingly or is reduced.
In short, the power module 6 makes compared with the power pack of traditional video conference control system in the present embodiment
Component is less, and circuit structure structure is relatively simple, maintains easily, and due to saving some components, can drop in this way
Low hardware cost.In addition, there is the diode for providing bias current and carrying out current-limiting protection, therefore circuit in the power module 6
Safety and reliability it is higher.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of Video Conference Controlling System, which is characterized in that including mobile terminal, wireless communication module, single-chip microcontroller, camera shooting
Head, conference terminal and power module, the picture of the camera shooting meeting scene all angles simultaneously send the single-chip microcontroller to,
The received picture is converted to three-dimensional panorama figure by the single-chip microcontroller, and by the model integrated of conference terminal in described three-dimensional complete
In scape figure, the panorama sketch after integrating is sent to the mobile terminal by the wireless communication module, and the single-chip microcontroller passes through
The wireless communication module receives the control instruction of the mobile terminal input, controls the conducting or truncation of the conference terminal,
The conference terminal includes the equal display screen connecting with the single-chip microcontroller, headlamp, sound equipment, microphone, electronic table tablet stand and TV
Server, the power module are connect, for powering with the single-chip microcontroller；
The power module includes DC power supply, fuse, the first inductance, the first bridge rectifier, the second bridge rectifier,
One capacitor, the second capacitor, third diode, the first triode, the second zener diode, third capacitor and voltage output end, institute
State the anode of DC power supply by the fuse respectively with one end of first inductance and the second bridge rectifier second
Port connection, the other end of first inductance are connect with the second port of first bridge rectifier, the DC power supply
Cathode connect respectively with the 4th port of the 4th port of first bridge rectifier and the second bridge rectifier, described
The first port of one bridge rectifier and the first port of the second bridge rectifier are connect with the cathode of the first diode,
The third port of first bridge rectifier respectively with the third port of second bridge rectifier, first capacitor one
The collector connection at end, one end of the second capacitor, the anode of third diode and the first triode, the base of first triode
Pole is connect with one end of the cathode of the third diode, the cathode of the second zener diode and third capacitor respectively, and described
The anode of one diode respectively with the other end of the first capacitor, the other end of the second capacitor, the second zener diode sun
Pole, the other end of third capacitor are connected with the cathode of voltage output end, and the emitter and the voltage of first triode are defeated
The anode connection of outlet, the model S-701T of the third diode.
2. Video Conference Controlling System according to claim 1, which is characterized in that the power module further includes the first electricity
Resistance, one end of the first resistor connect with the base stage of first triode, the other end of the first resistor and described the
The cathode of two zener diodes connects, and the resistance value of the first resistor is 36k Ω.
3. Video Conference Controlling System according to claim 2, which is characterized in that the power module further includes the 4th electricity
Hold, one end of the 4th capacitor connect with the emitter of first triode, the other end of the 4th capacitor with it is described
The other end of third capacitor connects, and the capacitance of the 4th capacitor is 370pF.
4. Video Conference Controlling System according to claim 3, which is characterized in that the power module further includes the second electricity
Resistance, one end of the second resistance are connect with one end of second capacitor, the other end of the second resistance and described first
The collector of triode connects, and the resistance value of the second resistance is 43k Ω.
5. Video Conference Controlling System according to any one of claims 1 to 4, which is characterized in that the one or three pole
Pipe is NPN type triode.
6. Video Conference Controlling System according to any one of claims 1 to 4, which is characterized in that the wireless communication
Module is bluetooth module, WIFI module, gsm module, GPRS module, CDMA module, CDMA2000 module, WCDMA module, TD-
SCDMA module, Zigbee module or LoRa module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811294404.0A CN109309807A (en) | 2018-11-01 | 2018-11-01 | Video Conference Controlling System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811294404.0A CN109309807A (en) | 2018-11-01 | 2018-11-01 | Video Conference Controlling System |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109309807A true CN109309807A (en) | 2019-02-05 |
Family
ID=65222828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811294404.0A Pending CN109309807A (en) | 2018-11-01 | 2018-11-01 | Video Conference Controlling System |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110248143A (en) * | 2019-06-17 | 2019-09-17 | 周鹤柱 | A kind of multifunctional unit meeting management system |
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| JP2009182979A (en) * | 2009-04-06 | 2009-08-13 | Ricoh Co Ltd | Conference image reproducing apparatus and conference image reproducing method |
| CN201866593U (en) * | 2010-12-07 | 2011-06-15 | 刘昌贵 | LED daylight lamp and connecting circuit thereof |
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Application publication date: 20190205 |