CN203405805U - IO interface controller - Google Patents
IO interface controller Download PDFInfo
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- CN203405805U CN203405805U CN201320499997.0U CN201320499997U CN203405805U CN 203405805 U CN203405805 U CN 203405805U CN 201320499997 U CN201320499997 U CN 201320499997U CN 203405805 U CN203405805 U CN 203405805U
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- interface
- card chip
- input
- interface controller
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Abstract
The utility model provides an IO interface controller. The IO interface controller comprises a power supply, a CPU control circuit, a network card chip, a sound card chip, an IO interface input and output module and a work indicating circuit. The CPU control circuit is connected with the network card chip, the sound card chip and the work indicating circuit, the network card chip is connected with a network interface, the input end and the output end of the sound card chip are connected with operational amplifiers respectively, and the operational amplifiers are connected with corresponding transformers respectively. The IO interface controller has the advantages that through the IO interface controller, the states of IO interfaces are identified, information of the IO state is sent to a network, and then a control system broadcasts the information; information on the network can be received to control the state of corresponding IO interfaces; an audio input interface and an audio output interface are reserved in the IO interface controller, so that various application requirements can be met to the maximum; the IO interface controller has the advantages of being simple in structure, reliable in circuit, convenient to maintain, low in manufacturing cost, and easy and convenient to operate.
Description
Technical field
The utility model belongs to broadcasting equipment field, especially relates 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 network-type broadcast system, IO interface controller completes the identification of IO Interface status, traditional I/O interface controller is backward in technique, compatible, extendability is not good, circuit, structure are too complicated, using method is complicated, and unreliable, exists complexity is installed, safeguards inconvenience, failure rate high-technology problem.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of simple in structure, easy to operate IO interface controller, is especially suitable for, in network-type broadcast system, completing the identification of IO Interface status.
For solving the problems of the technologies described above, the technical solution adopted in the utility model 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 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, the resistance R 2 of separately leading up to is connected with one end of resistance R 3 with the output terminal of cpu control circuit respectively, 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 the good effect that the utlity model 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.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.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of IO interface controller of the utility model.
Embodiment
As shown in Figure 1, a kind of IO interface controller of the utility model, comprise power supply, cpu control circuit, network card chip, sound card chip, IO interface input/output module and working indicating, described cpu control circuit and described network card chip, 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 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, the resistance R 2 of separately leading up to is connected with one end of resistance R 3 with the output terminal of cpu control circuit respectively, 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 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 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 an embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variations of doing according to the utility model application range and improvement etc., within all should still belonging to patent covering scope of the present utility model.
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 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, the resistance R 2 of separately leading up to is connected with one end of resistance R 3 with the output terminal of cpu control circuit respectively, 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, is characterized in that: described direct supply is 3.3V.
4. a kind of IO interface controller according to claim 1, is characterized in that: described IO interface input/output module is one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320499997.0U CN203405805U (en) | 2013-08-15 | 2013-08-15 | IO interface controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320499997.0U CN203405805U (en) | 2013-08-15 | 2013-08-15 | IO interface controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203405805U true CN203405805U (en) | 2014-01-22 |
Family
ID=49941731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320499997.0U Expired - Fee Related CN203405805U (en) | 2013-08-15 | 2013-08-15 | IO interface controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203405805U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103425455A (en) * | 2013-08-15 | 2013-12-04 | 天津市北海通信技术有限公司 | IO (Input/Output) interface controller |
-
2013
- 2013-08-15 CN CN201320499997.0U patent/CN203405805U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103425455A (en) * | 2013-08-15 | 2013-12-04 | 天津市北海通信技术有限公司 | IO (Input/Output) interface controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20150815 |
|
| EXPY | Termination of patent right or utility model |