CN205249255U - Control all -in -one among digital network of built -in switch - Google Patents
Control all -in -one among digital network of built -in switch Download PDFInfo
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- CN205249255U CN205249255U CN201520948137.XU CN201520948137U CN205249255U CN 205249255 U CN205249255 U CN 205249255U CN 201520948137 U CN201520948137 U CN 201520948137U CN 205249255 U CN205249255 U CN 205249255U
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Abstract
The utility model relates to a computer network technical field provides a control all -in -one among digital network of built -in switch, and it includes ethernet interface, device interface, network isolation transformer, network switch, ethernet serial ports data conversion module, controller, audio input module, audio frequency processing module and digital power amplifier. The utility model provides a technical scheme has establish the network control passageway, has reduced system device and has dropped into, has practiced thrift the cost.
Description
Technical field
The utility model relates to technical field of the computer network, particularly a kind of digital network of built-in switchIn network, control all-in-one.
Background technology
Network Central Control System can be by the startup of equipment in LAN control net, close, function is selected, ginsengNumber is adjusted etc., but in a lot of actual use occasions, equipment also needs connecting Internet, so just need to beIn project installation, lay separately again the Internet line, not only make system connect loaded down with trivial details, also increased construction costs.In addition, current network central control also only has control function, but in the use that makes of a lot of classrooms, meeting roomIn closing, also need to carry out audio frequency public address, if audio frequency can be amplified and is built in network central control equipment, will subtractFew system equipment drops into, and meets greatly the demand of actual market.
Utility model content
[technical problem that will solve]
The purpose of this utility model is to provide in a kind of digital network of built-in switch and controls all-in-one, with at leastOne of solve the problems of the technologies described above.
[technical scheme]
The utility model is achieved through the following technical solutions.
The utility model relates in a kind of digital network of built-in switch controls all-in-one, comprise Ethernet interface,Equipment interface, network isolation transformer, the network switch, Ethernet serial data modular converter, controller,Audio frequency input module, audio processing modules and digital power amplifier, described Ethernet interface and Network IsolationTransformer connects, and the output of described network isolation transformer is connected with the signal input port of the network switch,A signal output port of the described network switch is connected with Ethernet serial data modular converter, described netThe equipment interface of the each connection of other signal output ports that cross winding is changed planes, described Ethernet serial data conversionModule is all connected with controller with audio processing modules, described audio processing modules respectively with audio frequency input moduleBe connected with digital power amplifier.
As one preferred embodiment, the serial of described Ethernet serial data modular converter and controllerSignal input port connects.
As another preferred embodiment, described controller is MCU controller.
As another preferred embodiment, described network interface comprise the interface that is connected with internet, withInterface and the interface being connected with router that computer connects.
[beneficial effect]
The technical scheme the utility model proposes has following beneficial effect:
(1) the utility model is assigned to internet signal on multiple network interfaces by the network switch, canTo realize being connected of Multi-netmouth and internet; In addition, the utility model is got a wherein road network signal and is passed through netNetwork turns serial port chip and changes network control signal into rs 232 serial interface signal, then accesses to the serial line interface of controller,So just network control signal can be changed into the rs 232 serial interface signal that single-chip microcomputer can be identified, set up network controlPassage processed.
(2) the utility model is by built-in digital power amplifier module, and local audio signal is through digital power amplifierAfter amplification, can directly connect audio amplifier and carry out public address, reduce system equipment input, save cost.
Brief description of the drawings
In the digital network of the built-in switch that Fig. 1 provides for embodiment mono-of the present utility model, control all-in-oneTheory diagram.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below will be to the utility modelDetailed description of the invention carry out clear, complete description.
Embodiment mono-
In the digital network that Fig. 1 provides for the utility model embodiment mono-, control the theory diagram of all-in-one. As Fig. 1Shown in, in this digital network, control all-in-one and comprise Ethernet interface 1, equipment interface 2, equipment interface 3, establishStandby interface 4, network isolation transformer 5, the network switch 6, Ethernet serial data modular converter 7, MCUController 8, audio frequency input module 9, audio processing modules 10 and digital power amplifier 11.
Ethernet interface 1 is connected with the input of network isolation transformer 5, network isolation transformer 5 defeatedGo out end and be connected with the signal input port of the network switch 6, a signal output port of the network switch 6Be connected other signal output parts of the network switch 6 with the input of Ethernet serial data modular converter 7An each equipment interface, the output of Ethernet serial data modular converter 7 and the MCU controller 8 of connecting of mouthSerial input terminal connect.
The output of audio frequency input module 9 is connected with audio processing modules 10, audio processing modules 10 and MCUController 8 connects, and audio processing modules 10 is also connected with digital power amplifier 11. In the present embodiment,Audio frequency input module 9 is microphone.
In the present embodiment, equipment interface 2 is the interface being connected with computer, and equipment interface 3 is for to establish with routeThe standby interface connecting.
Below the operation principle of the present embodiment is described.
The utility model transfers to the network switch by ethernet signal by network isolation transformer, this networkSwitch possesses four network ports, and wherein three road port openings need the equipment of accessing Internet to other,Remain a road signal and connect Ethernet serial data modular converter. Turn through Ethernet serial data modular converterThe serial line interface end of the rs 232 serial interface signal access MCU controller after changing, sets up network signal and MCU controllerBetween connection. Master control computer expert cross Ethernet interface can realize manipulation to each function in integrated machine system,To the processing of audio signal. The input audio signal of external microphone transfers to digital power after audio frequency is processedAmplifier can connect sound-box device after amplifying.
As can be seen from the above embodiments, the utility model embodiment by the network switch by internet signalBe assigned on multiple network interfaces, can realize being connected of Multi-netmouth and internet; And, the utility modelGet wherein a road network signal and turn serial port chip by network and change network control signal into rs 232 serial interface signal, soAfter access to the serial line interface of controller, so just can change network control signal into MCU controller canWith the rs 232 serial interface signal of identification, set up network control channel; In addition, the utility model embodiment is by digital meritRate amplifier module is built-in, and local audio signal can directly connect audio amplifier and expand after digital power amplifier amplifiesSound, has reduced system equipment input, has saved cost.
Need explanation, embodiment described above is a part of embodiment of the present utility model, instead of allEmbodiment, neither be to restriction of the present utility model. Based on embodiment of the present utility model, this area is commonTechnical staff, not paying the every other embodiment obtaining under creative work prerequisite, belongs to this practicalityNovel protection domain.
Claims (4)
1. in the digital network of built-in switch, control an all-in-one, it is characterized in that comprising Ethernet interface,Equipment interface, network isolation transformer, the network switch, Ethernet serial data modular converter, controller,Audio frequency input module, audio processing modules and digital power amplifier, described Ethernet interface and Network IsolationTransformer connects, and the output of described network isolation transformer is connected with the signal input port of the network switch,A signal output port of the described network switch is connected with Ethernet serial data modular converter, described netThe equipment interface of the each connection of other signal output ports that cross winding is changed planes, described Ethernet serial data conversionModule is all connected with controller with audio processing modules, described audio processing modules respectively with audio frequency input moduleBe connected with digital power amplifier.
2. in the digital network of built-in switch according to claim 1, control all-in-one, it is characterized in thatDescribed Ethernet serial data modular converter is connected with the serial signal input port of controller.
3. in the digital network of built-in switch according to claim 1, control all-in-one, it is characterized in thatDescribed controller is MCU controller.
4. in the digital network of built-in switch according to claim 1, control all-in-one, it is characterized in thatDescribed equipment interface comprises the interface being connected with computer and the interface being connected with routing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520948137.XU CN205249255U (en) | 2015-11-25 | 2015-11-25 | Control all -in -one among digital network of built -in switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520948137.XU CN205249255U (en) | 2015-11-25 | 2015-11-25 | Control all -in -one among digital network of built -in switch |
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| Publication Number | Publication Date |
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| CN205249255U true CN205249255U (en) | 2016-05-18 |
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| CN201520948137.XU Active CN205249255U (en) | 2015-11-25 | 2015-11-25 | Control all -in -one among digital network of built -in switch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106502911A (en) * | 2016-11-09 | 2017-03-15 | 珠海全志科技股份有限公司 | Multiple terminals access device |
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2015
- 2015-11-25 CN CN201520948137.XU patent/CN205249255U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106502911A (en) * | 2016-11-09 | 2017-03-15 | 珠海全志科技股份有限公司 | Multiple terminals access device |
| CN106502911B (en) * | 2016-11-09 | 2019-12-10 | 珠海全志科技股份有限公司 | Multi-terminal access device |
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| CP01 | Change in the name or title of a patent holder |
Address after: 621000 Mianyang city of Sichuan province Youxian Economic Experimental Zone in the road No. 36 Patentee after: Sichuan Hushan electric Limited by Share Ltd Address before: 621000 Mianyang city of Sichuan province Youxian Economic Experimental Zone in the road No. 36 Patentee before: Sichuan Hushan Electronic Co., Ltd. |