CN103425455A - IO (Input/Output) interface controller - Google Patents
IO (Input/Output) interface controller Download PDFInfo
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- CN103425455A CN103425455A CN2013103587304A CN201310358730A CN103425455A CN 103425455 A CN103425455 A CN 103425455A CN 2013103587304 A CN2013103587304 A CN 2013103587304A CN 201310358730 A CN201310358730 A CN 201310358730A CN 103425455 A CN103425455 A CN 103425455A
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Abstract
The invention provides an IO (Input/Output) interface controller. The IO interface controller comprises a power supply, a CPU (Central Processing Unit) control circuit, a network card chip, an audio card chip, an IO interface input/output module and a working indication circuit, wherein the CPU control circuit is connected with the network card chip, the audio card chip and the working indication circuit; the network card chip is connected with a network interface; each of the input end and the output end of the audio card chip is connected with an operational amplifier respectively; and each operational amplifier is connected with a transformer respectively. The IO interface controller provided by the invention has the beneficial effects that the IO interface controller can finish the identification of an IO interface state and send the information of the IO state to a network to control a system to broadcast; the IO interface controller can also receive the information on a network to control the state of a corresponding IO interface. The IO interface controller is provided with an audio input interface and an audio output interface to meet various application requirements to the greatest extent; and the IO interface controller has the advantages of simple structure, reliable circuit, convenience for maintenance, low manufacturing cost, simplicity in operation and the like.
Description
Technical field
The invention belongs to the broadcasting equipment field, especially relate to a kind of IO interface controller.
Background technology
Broadcasting for train, as a kind of special communication media bearing be passenger's service, policy propaganda, burst constantly commander speedily carry out rescue work, emergency evacuation, accident treatment with the task such as communicate by letter in time.In the network-type broadcast system, the IO interface controller completes the identification of IO Interface status, the traditional I/O interface controller is backward in technique, compatible, extendability is not good, circuit, structure are too complicated, the using method complexity, and unreliable, exist complexity is installed, safeguard inconvenience, failure rate high-technology problem.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of simple in structure, easy to operate IO interface controller, especially is suitable for, in the network-type broadcast system, completing the identification of IO Interface status.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of IO interface controller, comprise power supply, cpu control circuit, network card chip, sound card chip, IO interface input/output module and working indicating, described cpu control circuit is connected with working indicating with described network card chip, sound card chip, described network card chip is connected with network interface, the input end of described sound card chip is connected with an operational amplifier respectively with output terminal, and described operational amplifier is connected with a transformer respectively.
Further, described IO interface input/output module comprises the IO parallel interface, described IO parallel interface and input dry contact, wet contact, output dry contact configuration circuit is connected, described input dry contact, wet contact, the output terminal of output dry contact configuration circuit is connected with the input end of cpu control circuit, described input dry contact, wet contact, the input end of output dry contact configuration circuit is connected with the collector of triode Q1, the grounded emitter of described triode Q1, the base stage of described triode Q1 is divided two-way, lead up to resistance R 1 ground connection, another road is connected with the output terminal of cpu control circuit and an end of resistance R 3 respectively by resistance R 2, the other end of described resistance R 3 is connected with the base stage of triode Q2, the grounded emitter of described triode Q2, the collector of described triode Q2 is connected with the negative electrode of light emitting diode by resistance R 4, the anode of described light emitting diode is connected with direct supply.
Further, described direct supply is 3.3V.
Further, described IO interface input/output module is one or more.
Advantage and good effect that the present invention has are: owing to adopting technique scheme, this IO interface controller completes the identification of IO Interface status, and the information of IO state is sent on network, control system broadcast; Can also receive the information on network, control the state of corresponding I/O mouth.The IO interface controller has been reserved audio frequency input and audio output interface, to meet to greatest extent various application needs; Have simple in structurely, circuit is reliable, be convenient to maintenance, low cost of manufacture, the advantage such as easy and simple to handle.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of IO interface controller of the present invention.
Embodiment
As shown in Figure 1, a kind of IO interface controller of the present invention, comprise power supply, cpu control circuit, network card chip, the sound card chip, IO interface input/output module and working indicating, described cpu control circuit and described network card chip, the sound card chip is connected with working indicating, described network card chip is connected with network interface, the input end of described sound card chip is connected with an operational amplifier respectively with output terminal, described operational amplifier is connected with a transformer respectively, described IO interface input/output module comprises the IO parallel interface, described IO parallel interface and input dry contact, wet contact, output dry contact configuration circuit is connected, described input dry contact, wet contact, the output terminal of output dry contact configuration circuit is connected with the input end of cpu control circuit, described input dry contact, wet contact, the input end of output dry contact configuration circuit is connected with the collector of triode Q1, the grounded emitter of described triode Q1, the base stage of described triode Q1 is divided two-way, lead up to resistance R 1 ground connection, another road is connected with the output terminal of cpu control circuit and an end of resistance R 3 respectively by resistance R 2, the other end of described resistance R 3 is connected with the base stage of triode Q2, the grounded emitter of described triode Q2, the collector of described triode Q2 is connected with the negative electrode of light emitting diode by resistance R 4, the anode of described light emitting diode is connected with the 3.3V direct supply, described IO interface input/output module is one or more.
The course of work of this example: during work, IO parallel interface access input dry contact, wet contact, output dry contact configuration circuit, sound signal enters the sound card chip, and network interface is connected with network card chip, and cpu control circuit is controlled network card chip harmony the core of the card sheet, sound card chip output audio signal, complete the identification of IO Interface status, and the information of IO state is sent on network, control system broadcast; Can also receive the information on network, control the state of corresponding I/O mouth, reserved audio frequency input and audio output interface, to meet to greatest extent various application needs, this IO interface controller can be used in the different interface such as fire coupling, cross complaint interface, Cell Broadcast CB interface.
Above one embodiment of the present of invention are had been described in detail, but described content is only preferred embodiment of the present invention, can not be considered to for limiting practical range of the present invention.All equalization variations of doing according to the present patent application scope and improvement etc., within all should still belonging to patent covering scope of the present invention.
Claims (4)
1. an IO interface controller, it is characterized in that: comprise power supply, cpu control circuit, network card chip, sound card chip, IO interface input/output module and working indicating, described cpu control circuit is connected with working indicating with described network card chip, sound card chip, described network card chip is connected with network interface, the input end of described sound card chip is connected with an operational amplifier respectively with output terminal, and described operational amplifier is connected with a transformer respectively.
2. a kind of IO interface controller according to claim 1, it is characterized in that: described IO interface input/output module comprises the IO parallel interface, described IO parallel interface and input dry contact, wet contact, output dry contact configuration circuit is connected, described input dry contact, wet contact, the output terminal of output dry contact configuration circuit is connected with the input end of cpu control circuit, described input dry contact, wet contact, the input end of output dry contact configuration circuit is connected with the collector of triode Q1, the grounded emitter of described triode Q1, the base stage of described triode Q1 is divided two-way, lead up to resistance R 1 ground connection, another road is connected with the output terminal of cpu control circuit and an end of resistance R 3 respectively by resistance R 2, the other end of described resistance R 3 is connected with the base stage of triode Q2, the grounded emitter of described triode Q2, the collector of described triode Q2 is connected with the negative electrode of light emitting diode by resistance R 4, the anode of described light emitting diode is connected with direct supply.
3. a kind of IO interface controller according to claim 2, it is characterized in that: described direct supply is 3.3V.
4. a kind of IO interface controller according to claim 1, it is characterized in that: described IO interface input/output module is one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103587304A CN103425455A (en) | 2013-08-15 | 2013-08-15 | IO (Input/Output) interface controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103587304A CN103425455A (en) | 2013-08-15 | 2013-08-15 | IO (Input/Output) interface controller |
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| CN103425455A true CN103425455A (en) | 2013-12-04 |
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| CN2013103587304A Pending CN103425455A (en) | 2013-08-15 | 2013-08-15 | IO (Input/Output) interface controller |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1437167A (en) * | 2002-02-06 | 2003-08-20 | 海尔集团公司 | Intelligent remote controller |
| CN2765839Y (en) * | 2005-02-04 | 2006-03-22 | 天津市川铁信号设备有限公司 | Railway track monitoring controller |
| CN101032973A (en) * | 2007-04-16 | 2007-09-12 | 刘汉义 | Digital information intelligence management system for passenger transport train |
| CN101222806A (en) * | 2008-01-16 | 2008-07-16 | 上海高智机器人新技术合作公司 | Method and device for automatically controlling lamps |
| CN201812026U (en) * | 2010-09-30 | 2011-04-27 | 开滦能源化工股份有限公司吕家坨矿业分公司 | Electric cable recognizer for detecting electric cable operation and stoppage |
| CN102932158A (en) * | 2012-09-28 | 2013-02-13 | 天津市北海通信技术有限公司 | Double-network-interface unit for network type all-digital broadcasting system |
| CN203405805U (en) * | 2013-08-15 | 2014-01-22 | 天津市北海通信技术有限公司 | IO interface controller |
-
2013
- 2013-08-15 CN CN2013103587304A patent/CN103425455A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1437167A (en) * | 2002-02-06 | 2003-08-20 | 海尔集团公司 | Intelligent remote controller |
| CN2765839Y (en) * | 2005-02-04 | 2006-03-22 | 天津市川铁信号设备有限公司 | Railway track monitoring controller |
| CN101032973A (en) * | 2007-04-16 | 2007-09-12 | 刘汉义 | Digital information intelligence management system for passenger transport train |
| CN101222806A (en) * | 2008-01-16 | 2008-07-16 | 上海高智机器人新技术合作公司 | Method and device for automatically controlling lamps |
| CN201812026U (en) * | 2010-09-30 | 2011-04-27 | 开滦能源化工股份有限公司吕家坨矿业分公司 | Electric cable recognizer for detecting electric cable operation and stoppage |
| CN102932158A (en) * | 2012-09-28 | 2013-02-13 | 天津市北海通信技术有限公司 | Double-network-interface unit for network type all-digital broadcasting system |
| CN203405805U (en) * | 2013-08-15 | 2014-01-22 | 天津市北海通信技术有限公司 | IO interface controller |
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Application publication date: 20131204 |