CN201853229U - Module converting industrial-grade USB to RS232 - Google Patents
Module converting industrial-grade USB to RS232 Download PDFInfo
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- CN201853229U CN201853229U CN2010206201054U CN201020620105U CN201853229U CN 201853229 U CN201853229 U CN 201853229U CN 2010206201054 U CN2010206201054 U CN 2010206201054U CN 201020620105 U CN201020620105 U CN 201020620105U CN 201853229 U CN201853229 U CN 201853229U
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Abstract
The utility model relates to the technical field of electronics, in particular to a module converting an industrial-grade USB (Universal Serial Bus) to an RS232 (Recommend Standard 232), which comprises a USB interface, an RS232 interface, a USB interface chip electrically connected with the USB interface, and an RS232 interface chip electrically connected with the RS 232 interface, wherein the USB interface chip and the RS232 interface chip are electrically connected with phototubes. The USB interface chip and the RS232 interface chip of the module converting the industrial-grade USB to the RS232 are isolated by a high-speed photoelectric element, and a DC (direct current)/DC power supply module is built in to realize full isolation of power supplies and signals, avoid high-intensity interference between the USB interface chip and the RS232 interface chip and reduce the damage to the chips of various parts.
Description
Technical field
The utility model relates to electronic technology field, particularly relates to technical grade USB RS 232 module.
Background technology
In commercial production, the interface type of various electronic equipments is ever-changing, causes lacking unified interface between the various interconnective equipment, and the equipment that has a strong impact in the production uses.In addition, the equipment of technical grade connects very high for the reliability requirement of interface, and influencing each other between the signal is totally unfavorable to commercial production, and may cause the damage between the equipment.
The utility model content
The purpose of this utility model is to avoid weak point of the prior art and a kind of technical grade USB RS 232 module is provided.
The purpose of this utility model realizes by following technical measures.
Technical grade USB RS 232 module, comprise USB interface and RS232 interface, and USB interface chip that is electrically connected with described USB interface and the RS232 interface chip that is electrically connected with described RS232 interface, described USB interface chip and RS232 interface chip are electrically connected with photoelectric tube.
Described USB interface is provided with USBDM output interface and USBDP output interface, and described USBDM output interface is electrically connected on the USBDM input interface of described USB interface chip, and described USBDP output interface is electrically connected on the USBDP input interface of described USB interface chip.
Described USB interface chip is provided with TXD output interface, RXD input interface, DSR-U input interface, DCD-U input interface, DTR-U output interface, R1-U input interface, SLEEP-U output interface, CTS-U input interface and RTS-U output interface; Described TXD output interface, RXD input interface, DSR-U input interface, DCD-U input interface, DTR-U output interface, R1-U input interface, SLEEP-U output interface, CTS-U input interface and RTS-U output interface are connected photoelectric tube U1, U2, U3, U4, U5, U6, U7, U8 and U9 respectively.
Described RS232 interface chip is provided with TXD-C input interface, RXD-C output interface, DSR-C output interface, DCD-C output interface, DTR-C input interface, R1-C output interface, SLEEP-C input interface, CTS-C output interface and RTS-C input interface; Described TXD-C input interface, RXD-C output interface, DSR-C output interface, DCD-C output interface, DTR-C input interface, R1-C output interface, SLEEP-C input interface, CTS-C output interface and RTS-C input interface are connected to photoelectric tube U1, U2, U3, U4, U5, U6, U7, U8 and U9.
Also comprise program storage EEPROM, EEPROM is provided with CS output interface, SK output interface, DATA output interface; Described CS output interface, SK output interface, DATA output interface are connected to CS input interface, SK input interface and the DATA input interface of described USB interface chip.
Also comprise insulating power supply, the power input of described insulating power supply is connected in described USB interface, the power output end of described insulating power supply is connected in described photoelectric tube U1, U2, U3, U4, U5, U6, U7, U8 and U9, and the power input of RS232 interface chip.
Also comprise the shell that aluminium section bar is made.
Technical grade USB RS 232 module of the present utility model adopts the high speed optoelectronic element to isolate between USB interface chip and RS232 interface chip, and thereby built-in DC/DC power module realizes that power supply and signal isolate entirely, avoided the high strength between USB interface chip and the RS232 interface chip to disturb, the chip that has reduced each position damages.
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 of an embodiment of technical grade USB RS 232 module of the present utility model.
Embodiment
The utility model is described in further detail with the following Examples.
An embodiment of technical grade USB RS 232 module of the present utility model as shown in Figure 1, comprise USB interface and RS232 interface, and USB interface chip that is electrically connected with described USB interface and the RS232 interface chip that is electrically connected with described RS232 interface, described USB interface chip and RS232 interface chip are electrically connected with photoelectric tube.
Described USB interface is provided with USBDM output interface and USBDP output interface, and described USBDM output interface is electrically connected on the USBDM input interface of described USB interface chip, and described USBDP output interface is electrically connected on the USBDP input interface of described USB interface chip.
Described USB interface chip is provided with TXD output interface, RXD input interface, DSR-U input interface, DCD-U input interface, DTR-U output interface, R1-U input interface, SLEEP-U output interface, CTS-U input interface and RTS-U output interface; Described TXD output interface, RXD input interface, DSR-U input interface, DCD-U input interface, DTR-U output interface, R1-U input interface, SLEEP-U output interface, CTS-U input interface and RTS-U output interface are connected photoelectric tube U1, U2, U3, U4, U5, U6, U7, U8 and U9 respectively.
Described RS232 interface chip is provided with TXD-C input interface, RXD-C output interface, DSR-C output interface, DCD-C output interface, DTR-C input interface, R1-C output interface, SLEEP-C input interface, CTS-C output interface and RTS-C input interface; Described TXD-C input interface, RXD-C output interface, DSR-C output interface, DCD-C output interface, DTR-C input interface, R1-C output interface, SLEEP-C input interface, CTS-C output interface and RTS-C input interface are connected to photoelectric tube U1, U2, U3, U4, U5, U6, U7, U8 and U9.
Present embodiment also comprises program storage EEPROM, and EEPROM is provided with CS output interface, SK output interface, DATA output interface; Described CS output interface, SK output interface, DATA output interface are connected to CS input interface, SK input interface and the DATA input interface of described USB interface chip.
Present embodiment also comprises insulating power supply, the power input of described insulating power supply is connected in described USB interface, the power output end of described insulating power supply is connected in described photoelectric tube U1, U2, U3, U4, U5, U6, U7, U8 and U9, and the power input of RS232 interface chip.
Present embodiment also comprises the shell that aluminium section bar is made.
Function and beneficial effect of the present utility model comprise:
1. the signal that increases between USB and the RS232 is isolated with the high-speed light fulgurite, thus built-in DC/DC power module realize power supply and signal and isolate entirely, thereby avoided the high strength between two equipment to disturb, the chip that has reduced each position damages.
2. select FTDI company third generation product for use, USB1.1, USB2.0 are provided the full speed physical interface to the USB cable, can adapt to complicated industrial environment.
The virtual serial port (VCP) that uses FTDI company to provide drives, to the use of peripheral interface just as the standard serial port that uses PC.Many existing softwares can join with virtual serial port through simply reconfiguring, and the communication between application program and circuit is identical with the COM port communications of PC.
3. the UART interface is supported 7 or 8 bit data positions, 1/2 position of rest, odd/even parity check/zone bit/room/no parity;
4. the speed that sends data is 300～1Mb/s (RS-232) or 3Mbs (TTL, RS-232/RS-485);
5. interface modes and USB describe character and externally are configured among the EEPROM, can also be configured EEPROM by USB on plank;
6. outward appearance is small and exquisite, adopts aluminium section bar processing shell.
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 (7)
1. technical grade USB RS 232 module, comprise USB interface and RS232 interface, and USB interface chip that is electrically connected with described USB interface and the RS232 interface chip that is electrically connected with described RS232 interface, it is characterized in that: described USB interface chip and RS232 interface chip are electrically connected with photoelectric tube.
2. technical grade USB RS 232 module according to claim 1, it is characterized in that: described USB interface is provided with USBDM output interface and USBDP output interface, described USBDM output interface is electrically connected on the USBDM input interface of described USB interface chip, and described USBDP output interface is electrically connected on the USBDP input interface of described USB interface chip.
3. technical grade USB RS 232 module according to claim 1, it is characterized in that: described USB interface chip is provided with TXD output interface, RXD input interface, DSR-U input interface, DCD-U input interface, DTR-U output interface, R1-U input interface, SLEEP-U output interface, CTS-U input interface and RTS-U output interface; Described TXD output interface, RXD input interface, DSR-U input interface, DCD-U input interface, DTR-U output interface, R1-U input interface, SLEEP-U output interface, CTS-U input interface and RTS-U output interface are connected photoelectric tube U1, U2, U3, U4, U5, U6, U7, U8 and U9 respectively.
4. technical grade USB RS 232 module according to claim 1, it is characterized in that: described RS232 interface chip is provided with TXD-C input interface, RXD-C output interface, DSR-C output interface, DCD-C output interface, DTR-C input interface, R1-C output interface, SLEEP-C input interface, CTS-C output interface and RTS-C input interface; Described TXD-C input interface, RXD-C output interface, DSR-C output interface, DCD-C output interface, DTR-C input interface, R1-C output interface, SLEEP-C input interface, CTS-C output interface and RTS-C input interface are connected to photoelectric tube U1, U2, U3, U4, U5, U6, U7, U8 and U9.
5. technical grade USB RS 232 module according to claim 1 is characterized in that: also comprise program storage EEPROM, EEPROM is provided with CS output interface, SK output interface, DATA output interface; Described CS output interface, SK output interface, DATA output interface are connected to CS input interface, SK input interface and the DATA input interface of described USB interface chip.
6. technical grade USB RS 232 module according to claim 5, it is characterized in that: also comprise insulating power supply, the power input of described insulating power supply is connected in described USB interface, the power output end of described insulating power supply is connected in described photoelectric tube U1, U2, U3, U4, U5, U6, U7, U8 and U9, and the power input of RS232 interface chip.
7. technical grade USB RS 232 module according to claim 6 is characterized in that: also comprise the shell that aluminium section bar is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206201054U CN201853229U (en) | 2010-11-23 | 2010-11-23 | Module converting industrial-grade USB to RS232 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206201054U CN201853229U (en) | 2010-11-23 | 2010-11-23 | Module converting industrial-grade USB to RS232 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201853229U true CN201853229U (en) | 2011-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206201054U Expired - Fee Related CN201853229U (en) | 2010-11-23 | 2010-11-23 | Module converting industrial-grade USB to RS232 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201853229U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104484296A (en) * | 2014-11-25 | 2015-04-01 | 英业达科技有限公司 | Burning system, adapter card and data format converting method thereof |
-
2010
- 2010-11-23 CN CN2010206201054U patent/CN201853229U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104484296A (en) * | 2014-11-25 | 2015-04-01 | 英业达科技有限公司 | Burning system, adapter card and data format converting method thereof |
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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 |
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| CF01 | Termination of patent right due to non-payment of annual fee |