CN103268304A - Portable universal serial bus interface box - Google Patents
Portable universal serial bus interface box Download PDFInfo
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- CN103268304A CN103268304A CN2013102157224A CN201310215722A CN103268304A CN 103268304 A CN103268304 A CN 103268304A CN 2013102157224 A CN2013102157224 A CN 2013102157224A CN 201310215722 A CN201310215722 A CN 201310215722A CN 103268304 A CN103268304 A CN 103268304A
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- chip
- mouth
- interface
- interface box
- usb
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Abstract
The invention relates to a portable universal serial bus interface box applied in an electric system. An USB interface is connected with a PV8651 chip and an AT91SAM9G45 chip, the AT91SAM9G45 chip is connected with a MAX 232 chip, the PV8651 chip conducts outputting through an RS 485 interface, the MAX 232 chip conducts outputting through an RS232 interface and a configuration RJ45 head, and the AT91SAM9G45 chip conduct outputting through a network RJ45 interface. The portable universal serial bus interface box achieves multiple functions of converting data through a USB and outputting the data through the RS 232 interface, the RS 485 interface, the configuration RJ 45 head and the network RJ45 interface. The portable universal serial bus interface box meets a data transmission and conversion requirement in debugging and maintaining of a substation automatic system, and is convenient to carry.
Description
Technical field
The present invention relates to a kind of USB converter, relate in particular to a kind of portable general series buss USB interface box of in electric system, using.
Background technology
In electric system, need often to use various USB converters in the electric substation automation system debugging maintenance, USB RS 232 mouth, USB change the RS485 mouth, USB changes configuration of routers RJ45 head, USB commentaries on classics network RJ45 mouth.So just need carry a plurality of USB converters, it is big to take up room, and carries inconvenience.
Summary of the invention
The present invention is directed to above-mentioned problems of the prior art, a kind of Portable USB interface box of using in electric system is provided, realize multiple functions such as USB RS 232 mouth, RS485 mouth, configuration RJ45 head, network RJ45 mouth, having solved needs to carry a plurality of USB converters in the prior art, it is big to take up room, and carries the problem of inconvenience.
To achieve these goals, the technical solution used in the present invention is:
Portable USB interface box, USB mouth connect PV8651 chip and AT91SAM9G45 chip respectively, and the AT91SAM9G45 chip is connected with the MAX232 chip; PV8651 chip output RS485 mouth, MAX232 chip output RS232 mouth and configuration RJ45 head, AT91SAM9G45 chip output network RJ45 mouth.
Described USB mouth is public mouthful of A type.
Described RS232 mouth comprises 9 pin 9 needle interfaces on sending and receiving, ground.
Described RS485 mouth comprises two connection terminals of sending and receiving.
Described configuration RJ45 head is the layout line of the network switch, router.
The present invention compared with prior art has following advantage:
The present invention has realized USB RS 232 mouth, RS485 mouth, configuration RJ45 head, network RJ45 mouth, the needs of data transmission conversion in the electric substation automation system debugging maintenance have been satisfied, integrated PV8651 chip, AT91SAM9G45 chip, MAX232 chip, volume of the present invention is little, and is easy to carry.
Description of drawings
Below, by reference to the accompanying drawings, the present invention is described in detail.
Fig. 1 is theory structure schematic block diagram of the present invention.
Embodiment
The present invention is described in detail below in conjunction with accompanying drawing.
Embodiment
Referring to Fig. 1, the present invention includes USB mouth, RS232 mouth, RS485 mouth, configuration RJ45 head, network RJ45 mouth, PV8651 chip, AT91SAM9G45 chip, MAX232 chip; The USB mouth connects PV8651 chip and AT91SAM9G45 chip respectively, and the AT91SAM9G45 chip is connected with the MAX232 chip; PV8651 chip output RS485 mouth, MAX232 chip output RS232 mouth and configuration RJ45 head, AT91SAM9G45 chip output network RJ45 mouth.
Described USB mouth is public mouthful of A type.
Described RS232 mouth comprises 9 pin 9 needle interfaces on sending and receiving, ground.
Described RS485 mouth comprises two connection terminals of sending and receiving.
Described configuration RJ45 head is the layout line of the network switch, router.
USB mouth of the present invention links to each other with notebook computer, conversion by this interface box, can test the loop of adopting RS232 mouth and main website communication, adopt the watt-hour meter loop of RS485 mouth to test, by configuration RJ45 head switch, router in the data network are configured, debug, by network RJ45 mouth the network in the automated system is tested.
Claims (5)
1. the portable general series buss interface box is characterized in that the USB mouth connects PV8651 chip and AT91SAM9G45 chip respectively, and the AT91SAM9G45 chip is connected with the MAX232 chip; PV8651 chip output RS485 mouth, MAX232 chip output RS232 mouth and configuration RJ45 head, AT91SAM9G45 chip output network RJ45 mouth.
2. portable general series buss interface box according to claim 1 is characterized in that described USB mouth is public mouthful of A type.
3. portable general series buss interface box according to claim 1 is characterized in that described RS232 mouth comprises 9 pin 9 needle interfaces on sending and receiving, ground.
4. portable general series buss interface box according to claim 1 is characterized in that described RS485 mouth comprises two connection terminals of sending and receiving.
5. portable general series buss interface box according to claim 1 is characterized in that described configuration RJ45 head is the layout line of the network switch, router.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102157224A CN103268304A (en) | 2013-06-02 | 2013-06-02 | Portable universal serial bus interface box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102157224A CN103268304A (en) | 2013-06-02 | 2013-06-02 | Portable universal serial bus interface box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103268304A true CN103268304A (en) | 2013-08-28 |
Family
ID=49011935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102157224A Pending CN103268304A (en) | 2013-06-02 | 2013-06-02 | Portable universal serial bus interface box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103268304A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201130376Y (en) * | 2007-12-19 | 2008-10-08 | 深圳市三旺通信技术有限公司 | Expander for USB multiple serial ports |
| CN201303348Y (en) * | 2008-10-29 | 2009-09-02 | 中国海洋大学 | Universal multi-serial bus converter |
| CN201608408U (en) * | 2010-01-19 | 2010-10-13 | 华为终端有限公司 | Adapter |
-
2013
- 2013-06-02 CN CN2013102157224A patent/CN103268304A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201130376Y (en) * | 2007-12-19 | 2008-10-08 | 深圳市三旺通信技术有限公司 | Expander for USB multiple serial ports |
| CN201303348Y (en) * | 2008-10-29 | 2009-09-02 | 中国海洋大学 | Universal multi-serial bus converter |
| CN201608408U (en) * | 2010-01-19 | 2010-10-13 | 华为终端有限公司 | Adapter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130828 |