CN208924278U - Conference host - Google Patents
Conference host Download PDFInfo
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- CN208924278U CN208924278U CN201821813243.7U CN201821813243U CN208924278U CN 208924278 U CN208924278 U CN 208924278U CN 201821813243 U CN201821813243 U CN 201821813243U CN 208924278 U CN208924278 U CN 208924278U
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- dsp unit
- conference host
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Abstract
The utility model provides a kind of conference host, including first line plate, the second wiring board and tertiary circuit plate, the first line plate is equipped with master control DSP unit, second wiring board is equipped with audio processing DSP unit, the tertiary circuit plate is equipped with the peripheral circuit of the master control DSP unit and the audio processing DSP unit, the first line plate is detachably connected with the tertiary circuit plate, and second wiring board is detachably connected with the tertiary circuit plate.The utility model is electrically connected by the way that two main control chips are separately provided, using removably with tertiary circuit plate, and maintenance circuit and program burn writing can be facilitated.
Description
Technical field
The utility model relates to conference system technical field, in particular to a kind of conference host.
Background technique
The internal circuit of existing conference host is generally integrated on one piece of wiring board, and internal circuit is generally by multiple masters
Chip is controlled, once it goes wrong, it has not been convenient to it repairs, also, setting is on same wiring board, is burnt for the program of main control chip
It is also inconvenient to write.
Utility model content
The utility model provides a kind of conference host, solves the problems, such as existing above-mentioned.
To solve the above problems, the utility model embodiment provides a kind of conference host, including first line plate, the second line
Road plate and tertiary circuit plate, the first line plate are equipped with master control DSP unit, and second wiring board is equipped with audio processing
DSP unit, the tertiary circuit plate is equipped with the peripheral circuit of the master control DSP unit and the audio processing DSP unit, described
First line plate is detachably connected with the tertiary circuit plate, and second wiring board detachably connects with the tertiary circuit plate
It connects.
As an implementation, the peripheral circuit includes DANTE digital audio output unit and network switch list
Member, the DANTE digital audio output unit and the network switch unit couple the audio processing DSP unit, described
DANTE digital audio output unit carries out audio data to be converted into complete digital signal output, and the network switch unit is used
Data interaction is carried out in a manner of network in the complete digital signal for converting the DANTE digital audio output unit.
As an implementation, the peripheral circuit includes audio decoder output unit, and the audio decoder output is single
Member couples the audio processing DSP unit, is converted into analog signal output for carrying out audio signal.
As an implementation, the peripheral circuit include video output unit, LCD output display unit and
RS485 control unit, the video output unit, LCD output display unit and described in RS485 control unit couples
Master control DSP unit, the video output unit and LCD output display unit are used to be arranged the basic parameter of conference system,
The RS485 control unit is used to communicate by RS485 network implementations master-slave equipment.
As an implementation, the peripheral circuit includes network control unit, couples the master control DSP unit, is used
In connecting other central control equipments by network or communication network.
As an implementation, the peripheral circuit includes POE power supply unit, and the POE power supply unit is used for institute
The network interface for stating master control DSP unit provides the supply voltage of 48V.
As an implementation, the master control DSP unit and audio processing DSP unit are all made of 2 60 pins
HEADER connector.
The beneficial effects of the utility model compared with the prior art lie in: by the way that two main control chips are separately provided, make
It is electrically connected with removably with tertiary circuit plate, maintenance circuit and program burn writing can be facilitated.
Detailed description of the invention
Fig. 1 is the first structure figure of the wiring board of the conference host of the utility model；
Fig. 2 is the second structure chart of the wiring board of the conference host of the utility model；
Fig. 3 is the module connection figure of the conference host of the utility model.
Attached drawing mark: a, first line plate；B, the second wiring board；C, tertiary circuit plate；D, interface；1, master control DSP unit；
2, audio processing DSP unit；3, network switch unit；4, DANTE digital audio output unit；5, audio decoder output is single
Member；6, LCD exports display unit；7, video output unit；8, RS485 control unit；9, network control unit；10, POE powers
Unit.
Specific embodiment
Below in conjunction with attached drawing, the above and other technical features and advantages of the present invention are carried out clearly and completely
Description, it is clear that described embodiment is only the section Example of the utility model, rather than whole embodiments.
As shown in Fig. 1 to 2, a kind of conference host, including shell and the first line plate a, the second route that are set in the housing
Plate b and tertiary circuit plate c, wherein first line plate a is equipped with master control DSP unit, and the second wiring board b is equipped with audio processing DSP
Unit, tertiary circuit plate c are equipped with the peripheral circuit of master control DSP unit and audio processing DSP unit, audio processing DSP unit coupling
Master control DSP unit is connect, first line plate a, the second wiring board b realize master control DSP by the interface d being set on tertiary circuit plate c
Unit 1 and audio processing DSP unit 2 are detachably connected with tertiary circuit plate c (main circuit board), dismountable mode include but
The forms such as grafting, clamping are not limited to, as long as guaranteeing that chip is electrically connected with peripheral circuit.
As shown in figure 3, peripheral circuit includes DANTE digital audio output unit 4, network switch unit 3 and audio
Decoded output unit 5, DANTE digital audio output unit 4, network switch unit 3 and the equal coupling of audio decoder output unit 5
Audio processing DSP unit 2 is connect, DANTE digital audio output unit 4 carries out audio data to be converted into complete digital signal output,
Network switch unit 3 is used to the complete digital signal that DANTE digital audio output unit 4 is converted carrying out data in a manner of network
Interaction, audio decoder output unit 5 is for carrying out audio signal to be converted into analog signal output.
Peripheral circuit further includes video output unit 7, LCD output display unit 6, RS485 control unit 8 and network control
Unit 9 processed, video output unit 7, LCD output display unit 6, RS485 control unit 8 and network control unit 9 couple
Master control DSP unit 1, video output unit 7 and LCD output display unit 6 are used to be arranged the basic parameter of conference system, RS485
Control unit 8 is used to communicate by RS485 network implementations master-slave equipment, and network control unit 9 is used to pass through network or communication network
Connect other central control equipments.
In addition to said units, peripheral circuit includes POE power supply unit 10, and POE power supply unit 10 is for giving master control DSP unit
1 network interface provides the supply voltage of 48V.
In the present embodiment, the HEADER that master control DSP unit 1 and audio processing DSP unit 2 are all made of 2 60 pins connects
Device is connect, network control unit 9 uses LAN8720A chip, and video output unit 7 uses PI5V331QE chip, and RS485 control is single
Member 8 uses Dezhou SN65HVD3088ED chip, and DANTE digital audio output unit 4 uses CS8421 chip, and audio decoder is defeated
Unit 5 uses WM8978 chip out, and network switch unit 3 uses RTL8309M-88 chip, and POE power supply unit 10 uses
TPS23861 chip.
Digital audio and video signals generate and transmission process is as follows: network control unit receives what other central control equipments were initiated
Audio signal transmission request, master control DSP unit generates or receives control signal, and control signal is transmitted to audio processing DSP
Unit, audio processing DSP unit will control signal and be forwarded to DANTE digital audio output unit, and the output of DANTE digital audio is single
Member be used for responsive control signal, audio data be converted into it is digital, then by network switch unit with network side
Formula sends data to the power amplifying device containing encoding function or other central control equipments.
The utility model conference host uses removably and tertiary circuit by the way that two main control chips are separately provided
Plate electrical connection, can facilitate maintenance circuit and program burn writing.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
The detailed description of step, it should be understood that the foregoing is merely specific embodiment of the utility model, be not used to limit this reality
With novel protection scope.Particularly point out, to those skilled in the art, it is all the spirit and principles of the utility model it
Any modification, equivalent substitution, improvement and etc. that are interior, being done, should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of conference host, which is characterized in that including first line plate, the second wiring board and tertiary circuit plate, described
One wiring board is equipped with master control DSP unit, and second wiring board is equipped with audio processing DSP unit, and the tertiary circuit plate is equipped with
The peripheral circuit of the master control DSP unit and the audio processing DSP unit, the first line plate and the tertiary circuit plate
It is detachably connected, second wiring board is detachably connected with the tertiary circuit plate.
2. conference host according to claim 1, which is characterized in that the peripheral circuit includes that DANTE digital audio is defeated
Described in unit and network switch unit out, the DANTE digital audio output unit and network switch unit coupling
Audio processing DSP unit, the DANTE digital audio output unit carry out audio data to be converted into complete digital signal output,
The network switch unit be used for the complete digital signal of converting the DANTE digital audio output unit in a manner of network into
Row data interaction.
3. conference host according to claim 1 or 2, which is characterized in that the peripheral circuit includes audio decoder output
Unit, the audio decoder output unit couples the audio processing DSP unit, for carrying out being converted into simulating audio signal
Signal output.
4. conference host according to claim 1, which is characterized in that the peripheral circuit includes video output unit, LCD
Export display unit and RS485 control unit, the video output unit, LCD output display unit and RS485 control
Unit processed couples the master control DSP unit, and the video output unit and LCD output display unit are for being arranged meeting
The basic parameter of system, the RS485 control unit are used to communicate by RS485 network implementations master-slave equipment.
5. conference host according to claim 1, which is characterized in that the peripheral circuit includes network control unit, coupling
The master control DSP unit is connect, for connecting other central control equipments by network or communication network.
6. conference host according to claim 1, which is characterized in that the peripheral circuit includes POE power supply unit, described
POE power supply unit is used to provide the supply voltage of 48V to the network interface of the master control DSP unit.
7. conference host according to claim 1, which is characterized in that the master control DSP unit and audio processing DSP unit
It is all made of the HEADER connector of 2 60 pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821813243.7U CN208924278U (en) | 2018-11-05 | 2018-11-05 | Conference host |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821813243.7U CN208924278U (en) | 2018-11-05 | 2018-11-05 | Conference host |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208924278U true CN208924278U (en) | 2019-05-31 |
Family
ID=66711473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821813243.7U Active CN208924278U (en) | 2018-11-05 | 2018-11-05 | Conference host |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208924278U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115113573A (en) * | 2022-08-16 | 2022-09-27 | 广州市保伦电子有限公司 | Digital conference host and conference control method |
-
2018
- 2018-11-05 CN CN201821813243.7U patent/CN208924278U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115113573A (en) * | 2022-08-16 | 2022-09-27 | 广州市保伦电子有限公司 | Digital conference host and conference control method |
| CN115113573B (en) * | 2022-08-16 | 2024-03-08 | 广东保伦电子股份有限公司 | Conference control method of digital conference host |
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