CN208540047U - A kind of voice-based central control module and conference system - Google Patents
A kind of voice-based central control module and conference system Download PDFInfo
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- CN208540047U CN208540047U CN201821261259.1U CN201821261259U CN208540047U CN 208540047 U CN208540047 U CN 208540047U CN 201821261259 U CN201821261259 U CN 201821261259U CN 208540047 U CN208540047 U CN 208540047U
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
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Abstract
The utility model discloses a kind of voice-based central control module and conference systems, the module includes voice module, central control host and RS232 serial extended unit, the central control host includes MCU circuit and TTL RS 232 circuit, the MCU circuit is connect with voice module and TTL RS 232 circuit respectively, and the TTL RS 232 circuit is connect with RS232 serial extended unit.The system includes several conference facilities and the central control module, and the central control host in central control module is connect with several conference facilities respectively by RS232 serial extended unit.The central control module of the utility model, the control of several conference facilities can be realized based on the voice of user, host is operated without special messenger to control conference facility, improve the convenience and flexibility that conference system uses, and enable equipment more/replacement selectable range become larger, scalability become it is strong.The utility model can be widely applied in meeting field as a kind of voice-based central control module and conference system.
Description
Technical field
The utility model relates to governor circuit technical field more particularly to a kind of voice-based central control module and meetings
Conference system.
Background technique
In general, the units such as company, team, organ, which regular/irregular can organize a meeting, carries out communication discussion, to reach
The purposes that are some or carrying out following planning currently occurred are solved the problems, such as to absorbing all the useful ideas.And in order to meeting it is smooth into
Row, it will usually configure a set of conference system to be assisted, to enable the more smooth convenience of interactions among persons.
It would generally include some conference facilities, such as microphone, power amplifier, video system for traditional conference system, but
Be each equipment in system all it is that independent operation uses, causes operation ease and flexibility low.In order to solve this
Problem, designer devise a control device to realize the centralized control of a whole set of conference system.But in currently used meeting
In conference system, the control device that is included simultaneously does not have voice control function, and special messenger is needed to operate control device (host)
It can control conference facility, experience effect is very bad.And the control device in conference system and between other conference facilities at present
Communication connection interface be all special Aided design, in this way when control device or other conference facilities break down and need replacing
When, then the equipment that can only buy special Aided design, equipment more/selectable range of replacement is small and cost is larger, be unfavorable for meeting
The long term maintenance of conference system, and scalability is poor.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of the utility model is to provide a kind of voice-based central control modules
And conference system.
In consideration of it, the first technical solution used by the utility model is: a kind of voice-based central control module, packet
Voice module, central control host and RS232 serial extended unit are included, the central control host includes that MCU circuit and TTL turn
RS232 circuit, the MCU circuit are connect with voice module and TTL RS 232 circuit respectively, the TTL RS 232 circuit with
The connection of RS232 serial extended unit.
It further, further include buzzer circuit, the buzzer circuit and MCU circuit connection.
It further, further include DC-DC circuit for powering for MCU circuit, the DC-DC circuit and MCU circuit connection.
Further, the MCU circuit is realized using the singlechip chip of model STC11L08XE.
Further, the voice module is realized using the speech chip of model LD3320.
Further, the TTL RS 232 circuit is realized using the serial ports conversion chip of model SP3232.
Further, the buzzer circuit includes buzzer, first resistor, first diode, the first triode, the first electricity
Appearance and second resistance；
The first resistor one termination supply voltage, the other end of the first resistor respectively with the anode of buzzer,
The cathode of first diode is connected with one end of first capacitor, the cathode of the buzzer, first diode anode with the
The collector of one triode connects, and the emitter of first triode and the other end of first capacitor are grounded, and described first
The base stage of triode passes through second resistance and MCU circuit connection.
In consideration of it, the second technical solution used by the utility model is: a kind of voice-based conference system, if including
Dry conference facility and such as the described in any item central control modules of claim 1-7, in the central control module in
Centre control host is connect with several conference facilities respectively by RS232 serial extended unit.
Further, several described conference facilities include projector with lifter, it is projection electric screen, VGA matrix, remote
Journey video conference host, digital audio system and/or power-supply controller of electric.
Further, the digital audio system includes digital audio processor, and the digital audio processor is separately connected
There are wireless microphone receiver, cross bars pedestal microphone, power amplifier and at least one second metope information interface, the power amplifier
It is connected with several ceiling speakers.
The beneficial effects of the utility model are: the central control module of the utility model includes voice module, center control
Host and RS232 serial extended unit, the central control host include MCU circuit and TTL RS 232 circuit, the MCU circuit
It being connect respectively with voice module and TTL RS 232 circuit, the TTL RS 232 circuit is connect with RS232 serial extended unit, because
This can carry out corresponding control signal based on the voice of user by using the central control module of the utility model
Output, will control signal by RS232 serial ports and export to several conference facilities, accordingly to realize several conference facilities
Control then operates host without special messenger in this way and controls conference facility, greatly improves convenience that conference system uses and flexibly
Property, enable conference flow carry out more smoothly, and also turn by setting TTL in the central control module of the utility model
RS232 circuit and RS232 serial extended unit, enable MCU circuit can be come with RS232 serial mode directly with several conference facilities into
Row communication connection, not only easy to operate, system work stability and high reliablity, but also when conference facility breaks down
When needing replacing, buy conference facility with RS232 serial ports, equipment more/replace selectable range become larger, cost
It reduces, and is connected convenient for the extension of other conference facilities, set expandability is strong.
In addition, further include having buzzer circuit in the central control module of the utility model, therefore, when needing auditory tone cues
When, when the problems such as detecting the device fails in conference system such as central control module, then exportable signal to buzzer
Circuit, driving buzzer issue sound.
Detailed description of the invention
Fig. 1 is a kind of structural block diagram of voice-based conference system of the utility model；
Fig. 2 is a kind of structural block diagram of voice-based central control module of the utility model；
Fig. 3 is an a kind of specific embodiment structural block diagram of voice-based central control module of the utility model；
Fig. 4 is a specific embodiment electronic circuit schematic of MCU circuit；
Fig. 5 is a specific embodiment electronic circuit schematic of TTL RS 232 circuit；
Fig. 6 is a specific embodiment electronic circuit schematic of buzzer circuit；
Fig. 7 is a specific embodiment electronic circuit schematic of DC-DC circuit；
Fig. 8 is a specific embodiment structural block diagram of digital audio system.
Specific embodiment
The utility model is described in further detail with preferred embodiment with reference to the accompanying drawing.
As shown in Figure 1, a kind of voice-based conference system, including several conference facilities and central control module 1；
As shown in Fig. 2, the central control module 1 includes that voice module 101, central control host and RS232 serial ports expand
Device 104 is opened up, the central control host includes MCU circuit 102 and TTL RS 232 circuit 103, and the MCU circuit 102 is distinguished
It is connect with voice module 101 and TTL RS 232 circuit 103, the TTL RS 232 circuit 103 and RS232 serial extended unit
104 connections；
Central control host in the central control module 1 by RS232 serial extended unit 104 respectively with several meetings
Discuss equipment connection.Specifically, the MCU circuit 102 in the central control host passes sequentially through 103 He of TTL RS 232 circuit
RS232 serial extended unit 104 is connect with several conference facilities respectively in turn.
Wherein, it for the voice module 101, is used at work, access microphone, and will receive from microphone
Audio signal switch to corresponding command signal；The MCU circuit is used for according to command signal is received, so that output phase should be controlled
Command signal processed；The TTL RS 232 circuit 103 is used for the control instruction signal for exporting MCU circuit 102, by Transistor-Transistor Logic level
Be converted to COM level.
As it can be seen that for above-mentioned conference system, specific work process are as follows: user says control command, the voice mould
The audio signal of the control command is switched to corresponding command signal and is sent to MCU circuit 102, the MCU circuit 102 by block 101
After receiving the command signal, corresponding control command is exported, and passes sequentially through TTL RS 232 circuit 103 and RS232 serial ports
Expander 104 is exported into corresponding conference facility.Thus, the conference system of the utility model can be sent out according to user
Voice control command out exports corresponding control instruction to conference facility, to realize the voice control of conference facility, fast
It is convenient, host is operated to realize the control of conference facility without special messenger, greatly improves convenience that conference system uses and flexibly
Property, the threshold that uses of conference system is reduced, is conducive to it and promotes and be widely applied；Moreover, the MCU circuit 102 in the utility model
Be connected with TTL RS 232 circuit 103, in this way by RS232 serial extended unit 104 can directly with it is several with RS232 serial ports
A conference facility carries out communication connection, and not only simple to operation, system work stability and reliability are higher, but also work as meeting
When device fails need replacing, selection have RS232 serial ports equipment, equipment more/replacement selectable range become
Big, cost also reduces, and convenient for the extension of other conference facilities, scalability is extremely strong.
As the preferred embodiment of the central control module, as shown in figure 3, the central control module further includes buzzing
Device circuit 105, the buzzer circuit 105 are connect with MCU circuit 102.By buzzer circuit 105, it can be realized more sound
Sound prompt facility, such as when MCU circuit 102 exports a control instruction to relevant device, after realizing equipment control, MCU circuit 102
Exportable driving signal, to drive 105 sound of buzzer circuit, one sound, to remind user that can issue next phonetic order
?；Or MCU circuit 102 is when detecting the problems such as device fails in conference system, then exportable driving signal,
To drive buzzer circuit 105 to issue sound, to realize sound early warning etc..As it can be seen that for how to pass through buzzer circuit
105 realize corresponding auditory tone cues, this can carry out selection setting according to the actual situation, herein and be not set forth in detail.
As the preferred embodiment of the central control module, as shown in figure 3, the central control module further includes being used for
For the DC-DC circuit 106 that MCU circuit 102 is powered, the DC-DC circuit 106 is connect with MCU circuit 102.Wherein, the DC-
DC circuit 106 exports the voltage of access after LDO (low pressure difference linear voltage regulator U3) is depressured, and can mention for MCU circuit 102
For reliable and stable supply voltage, stability, reliability and the safety of system work are improved.The tool of the DC-DC circuit 106
Body electrical block diagram can refer to Fig. 7.
As the preferred embodiment of the central control module, the MCU circuit 102 is using model STC11L08XE's
Singlechip chip U2 is realized, in this way under the premise of the performance for meeting conference system needs, can reduce the cost of product investment,
And its peripheral circuit is simple, reduces the difficulty of wiring, can reduce the finished-product volume of product.Specifically, it is based on model
The singlechip chip of STC11L08XE and the MCU circuit 102 realized, physical circuit can refer to Fig. 4.
As the preferred embodiment of the central control module, the voice module 101 uses the language of model LD3320
Sound chip is realized.For the speech chip of model LD3320, its own realizes speech recognition using ASR technology,
User only need to will need the key words (control command) identified to be transmitted in the form of character string into chip, can be in next language
It comes into force in sound identification process, i.e., the speech chip of LD3320 is used for the key words (control command) according to storage to what is received
Audio signal is identified that the command signal that will identify that is sent in MCU circuit 102, therefore, by using model
The speech chip of LD3320 realizes voice module 101, can substantially reduce designer/user order setting difficulty.This
Outside, the speech chip of model LD3320 is built-in with 16 A/D converters, 16 D/A converters and power amplifier, microphone,
Stereophone and monophonic loudspeaker can be easily directly connected to the chip pin.
As the preferred embodiment of the central control module, the TTL RS 232 circuit 103 uses model
The serial ports conversion chip U1 of SP3232 is realized.The physical circuit of the TTL RS 232 circuit 103 can refer to Fig. 5.
As the preferred embodiment of the central control module, as shown in fig. 6, the buzzer circuit 105 includes buzzing
Device B1, first resistor R1, first diode D1, the first triode Q1, first capacitor C1 and second resistance R2；
The first resistor R1 one termination supply voltage 5V, the other end of the first resistor R1 respectively with buzzer B1
Anode, first diode D1 cathode connected with one end of first capacitor C1, the cathode of the buzzer B1, first diode
The anode of D1 is connect with the collector of the first triode Q1, and the emitter of the first triode Q1 and first capacitor C1's is another
One end is grounded, and the base stage of the first triode Q1 is connect by second resistance R2 with MCU circuit 102.Specifically, described
The base stage of one triode Q1 is connect with one end of second resistance R2, the other end of R2 then with the singlechip chip in MCU circuit
Pin connection；In addition, in the present embodiment, the buzzer B1 also has middle pin, it is mainly used for compatible different size
The board of specification, and it connect with cathode and (is equivalent to and connect with the collector of Q1).This buzzer circuit has structure simple, easy
In realize, it is at low cost the advantages that.
As the preferred embodiment of this system, several described conference facilities include the projector 2 for having lifter, projection
Electric screen 3, VGA matrix 4, Remote Video Conference host 5, digital audio system 6 and/or power-supply controller of electric 7.
Specifically, the control instruction said user by voice module 101 switchs to order accordingly from audio signal
Signal, and it is sent to MCU circuit 102, after the MCU circuit 102 receives the command signal, corresponding control command is exported,
And TTL RS 232 circuit 103 and the output of RS232 serial extended unit 104 are passed sequentially through to projector 2, projection electric screen 3, VGA
Matrix 4, Remote Video Conference host 5, digital audio system 6 and/or power-supply controller of electric 7；Wherein, output control command extremely projects
Machine 2 and projection electric screen 3 can control projector 2 and project the lifting of electric screen 3, output control command to VGA matrix 4, controllably
The video input of VGA matrix 4 processed, output switching, output control command to Remote Video Conference host 5 can control long-distance video
The various operations of conference host 5, output control command to digital audio system 6 can control the audio of digital audio system 6 defeated
Enter, export switching and volume adjusting etc., output control command to power-supply controller of electric 7, controllable power controller 7 is to all
The power supply of equipment carries out open and close management.
As the preferred embodiment of this system, the MCU circuit 102 is also connected with the first DESKTOP INFORMATION interface, the first wall
Face information interface, DVD player and/or LCD TV information interface (not showing that in figure) make in this way conducive to the extension of conference system
With, meet various meeting demands, it is applicable compatible stronger.
As the preferred embodiment of this system, as shown in figure 8, the digital audio system 6 includes digital audio processor
601, the digital audio processor 601 is connected separately with wireless microphone receiver 602, cross bars pedestal microphone 603, power amplifier
605 and at least one second metope information interface 604, the power amplifier 605 be connected with several ceiling speakers 606.Wherein,
The wireless microphone receiver 602 is for receiving the wireless audio signal that wireless microphone transmits.By using the number of the present embodiment
Word tone display system 6 plays after capable of carrying out voice acquisition in a wired or wireless manner, and the flexibility operated with is higher, fits
It is wider with range, the more conducively popularization and use of conference system.
It is to be illustrated to the preferable implementation of the utility model, but the invention is not limited to the reality above
Example is applied, those skilled in the art can also make various equivalent changes without departing from the spirit of the present invention
Shape or replacement, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (10)
1. a kind of voice-based central control module, which is characterized in that including voice module, central control host and RS232
Serial extended unit, the central control host include MCU circuit and TTL RS 232 circuit, the MCU circuit respectively with voice
Module is connected with TTL RS 232 circuit, and the TTL RS 232 circuit is connect with RS232 serial extended unit.
2. a kind of voice-based central control module according to claim 1, which is characterized in that further include buzzer electricity
Road, the buzzer circuit and MCU circuit connection.
3. a kind of voice-based central control module according to claim 2, which is characterized in that further include for being MCU
The DC-DC circuit of circuit power supply, the DC-DC circuit and MCU circuit connection.
4. any one of -3 a kind of voice-based central control module according to claim 1, which is characterized in that the MCU
Circuit is realized using the singlechip chip of model STC11L08XE.
5. any one of -3 a kind of voice-based central control module according to claim 1, which is characterized in that the voice
Module is realized using the speech chip of model LD3320.
6. any one of -3 a kind of voice-based central control module according to claim 1, which is characterized in that the TTL
RS 232 circuit is realized using the serial ports conversion chip of model SP3232.
7. a kind of voice-based central control module according to Claims 2 or 3, which is characterized in that the buzzer electricity
Road includes buzzer, first resistor, first diode, the first triode, first capacitor and second resistance；
The first resistor one termination supply voltage, the other end of the first resistor respectively with the anode of buzzer, first
The cathode of diode is connected with one end of first capacitor, the cathode of the buzzer, first diode anode with the one or three
The collector of pole pipe connects, and the emitter of first triode and the other end of first capacitor are grounded, the one or three pole
The base stage of pipe passes through second resistance and MCU circuit connection.
8. a kind of voice-based conference system, which is characterized in that appoint including several conference facilities and such as claim 1-7
Central control module described in one, the central control host in the central control module pass through RS232 serial extended unit point
It is not connect with several conference facilities.
9. a kind of voice-based conference system according to claim 8, which is characterized in that several described conference facility packets
Include projector, projection electric screen, VGA matrix, Remote Video Conference host, digital audio system and/or electricity with lifter
Source controller.
10. a kind of voice-based conference system according to claim 9, which is characterized in that the digital audio system packet
Digital audio processor is included, the digital audio processor is connected separately with wireless microphone receiver, cross bars pedestal microphone, function
It puts machine and at least one second metope information interface, the power amplifier is connected with several ceiling speakers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821261259.1U CN208540047U (en) | 2018-08-06 | 2018-08-06 | A kind of voice-based central control module and conference system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821261259.1U CN208540047U (en) | 2018-08-06 | 2018-08-06 | A kind of voice-based central control module and conference system |
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| Publication Number | Publication Date |
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| CN208540047U true CN208540047U (en) | 2019-02-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111918017A (en) * | 2020-08-17 | 2020-11-10 | 南京洽道智能科技有限公司 | Offline voice control terminal based on video conference system |
-
2018
- 2018-08-06 CN CN201821261259.1U patent/CN208540047U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111918017A (en) * | 2020-08-17 | 2020-11-10 | 南京洽道智能科技有限公司 | Offline voice control terminal based on video conference system |
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