CN201853230U - USB (Universal Serial Bus) to IO (Input Output) module - Google Patents
USB (Universal Serial Bus) to IO (Input Output) module Download PDFInfo
- Publication number
- CN201853230U CN201853230U CN201020620129XU CN201020620129U CN201853230U CN 201853230 U CN201853230 U CN 201853230U CN 201020620129X U CN201020620129X U CN 201020620129XU CN 201020620129 U CN201020620129 U CN 201020620129U CN 201853230 U CN201853230 U CN 201853230U
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- usb
- parallel port
- port chip
- module
- photoelectric tube
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Abstract
The utility model relates to the technical field of electronic technique, in particular to a USB (Universal Serial Bus) to IO (Input Output) module. The USB to IO module comprises a USB interface and a USB to parallel port chip, wherein the positive and the negative input ends of a direct-current power supply of the USB to parallel port chip are respectively and electrically with the positive and the negative power output ends of the USB interface; the signal output end of the USB to parallel port chip is electrically connected with a photoelectric tube; the signal input end of the USB to parallel port chip is electrically connected with a photoelectric tube; the signal output end of the USB to parallel port chip is provided with 8 signal output interfaces and each signal output interface is connected with a photoelectric tube; and the signal input end of the USB to parallel port chip is provided with 5 signal input interfaces and each signal input interface is connected with a photoelectric tube. The input and the output of the USB to IO module are isolated by the photoelectric tubes, so that the high-strength interference between devices is avoided and the stability is improved.
Description
Technical field
The utility model relates to electronic technology field, and particularly relating to USB changes the IO module.
Background technology
In technical field of data transmission, efficient, the flexible and reliability of data transmission is to weigh a kind of advanced technology whether important symbol.USB interface comparatively commonly used is because simple in structure on the various device at present, and easy to use having obtained used widely.For data transmission, need sometimes USB interface and IO interface are changed.
The utility model content
The purpose of this utility model is to avoid weak point of the prior art and provides a kind of USB to change the IO module.
The purpose of this utility model realizes by following technical measures.
USB changes the IO module, comprise that USB interface and USB change the parallel port chip, the direct supply positive-negative input end of described USB commentaries on classics parallel port chip is electrically connected on the positive-negative power output terminal of described USB interface respectively, and the signal output part that described USB changes the parallel port chip is electrically connected with photoelectric tube.
The signal input part that described USB changes the parallel port chip is electrically connected with photoelectric tube.
The signal output part that described USB changes the parallel port chip is provided with 8 road signal output interfaces, and each signal output interface connects a photoelectric tube respectively.
The signal input part that described USB changes the parallel port chip is provided with 5 road signal input interfaces, and each signal input interface connects a photoelectric tube respectively.
USB of the present utility model changes the input and output of IO module and adopts photoelectric tube to isolate, and has avoided the high strength between the equipment to disturb, and has improved stability.
Description of drawings
Utilize accompanying drawing that the utility model is described further, but the content in the accompanying drawing does not constitute any restriction of the present utility model.
Fig. 1 is the block diagram that USB of the present utility model changes an embodiment of IO module.
Embodiment
The utility model is described in further detail with the following Examples.
An embodiment of USB commentaries on classics IO module of the present utility model as shown in Figure 1, comprise that USB interface and USB change the parallel port chip, the direct supply positive-negative input end of described USB commentaries on classics parallel port chip is electrically connected on the positive-negative power output terminal of described USB interface respectively, and the signal output part that described USB changes the parallel port chip is electrically connected with photoelectric tube.
The signal input part that described USB changes the parallel port chip is electrically connected with photoelectric tube.
The signal output part that described USB changes the parallel port chip is provided with 8 road signal output interfaces, and each signal output interface connects a photoelectric tube respectively.
The signal input part that described USB changes the parallel port chip is provided with 5 road signal input interfaces, and each signal input interface connects a photoelectric tube respectively.
Function of the present utility model and beneficial effect are:
1. the utility model is the control module of peripherals in the image system, finishes programing work by USB and the communication of PC machine.
2. the utility model exports at a high speed according to image system main frame needs expansions that I/O need develop, and system changes the parallel port by USB, utilizes the application of parallel port signal as main frame I/O control mouthful.
3. input and output of the present utility model adopt photoelectric tube to isolate, and have avoided the high strength between the equipment to disturb, and have improved stability.
4. power supply is separately used in the input and output of utility model, and communication, programming, logical process are provided by the 5V power supply of USB.
Should be noted that at last; above embodiment only is used to the technical solution of the utility model is described but not to the restriction of the utility model protection domain; although the utility model has been done detailed description with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the essence and the scope of technical solutions of the utility model.
Claims (4)
1.USB change the IO module, comprise that USB interface and USB change the parallel port chip, it is characterized in that: the direct supply positive-negative input end of described USB commentaries on classics parallel port chip is electrically connected on the positive-negative power output terminal of described USB interface respectively, and the signal output part that described USB changes the parallel port chip is electrically connected with photoelectric tube.
2. USB according to claim 1 changes the IO module, it is characterized in that: the signal input part that described USB changes the parallel port chip is electrically connected with photoelectric tube.
3. USB according to claim 1 changes the IO module, it is characterized in that: the signal output part that described USB changes the parallel port chip is provided with 8 road signal output interfaces, and each signal output interface connects a photoelectric tube respectively.
4. USB according to claim 2 changes the IO module, it is characterized in that: the signal input part that described USB changes the parallel port chip is provided with 5 road signal input interfaces, and each signal input interface connects a photoelectric tube respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020620129XU CN201853230U (en) | 2010-11-23 | 2010-11-23 | USB (Universal Serial Bus) to IO (Input Output) module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020620129XU CN201853230U (en) | 2010-11-23 | 2010-11-23 | USB (Universal Serial Bus) to IO (Input Output) module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201853230U true CN201853230U (en) | 2011-06-01 |
Family
ID=44095617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020620129XU Expired - Fee Related CN201853230U (en) | 2010-11-23 | 2010-11-23 | USB (Universal Serial Bus) to IO (Input Output) module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201853230U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102722218A (en) * | 2012-05-23 | 2012-10-10 | 常州芯奇微电子科技有限公司 | Universal serial bus (USB) clock circuit |
| CN113157619A (en) * | 2021-03-23 | 2021-07-23 | 苏州宇晶曼智能科技有限公司 | Data acquisition card and data acquisition method |
-
2010
- 2010-11-23 CN CN201020620129XU patent/CN201853230U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102722218A (en) * | 2012-05-23 | 2012-10-10 | 常州芯奇微电子科技有限公司 | Universal serial bus (USB) clock circuit |
| CN113157619A (en) * | 2021-03-23 | 2021-07-23 | 苏州宇晶曼智能科技有限公司 | Data acquisition card and data acquisition method |
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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: 20110601 Termination date: 20171123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |