CN206757603U - 8 tunnel full duplex RS232 serial ports expansion modules - Google Patents
8 tunnel full duplex RS232 serial ports expansion modules Download PDFInfo
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- CN206757603U CN206757603U CN201720446224.4U CN201720446224U CN206757603U CN 206757603 U CN206757603 U CN 206757603U CN 201720446224 U CN201720446224 U CN 201720446224U CN 206757603 U CN206757603 U CN 206757603U
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- serial ports
- full duplex
- socket
- power supply
- tunnel
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Abstract
It the utility model is related to a kind of 8 tunnel full duplex RS232 serial ports expansion modules, including pcb board and the Cyclone EP1C3 fpga chips being arranged on the pcb board, power supply interface, serial ports socket, expansion of power supply interface, extension winding displacement socket and 8 independent serial ports for being used to connect outside serial equipment, power supply interface, serial ports socket, winding displacement socket and 8 independent serial ports are extended to be electrically connected with Cyclone EP1C3 fpga chips, expansion of power supply interface is used to be connected with the power supply interface of the tunnel full duplex RS232 serial ports expansion modules of next stage 8, extension winding displacement socket is used for the serial ports socket for cascading the tunnel full duplex RS232 serial ports expansion modules of next stage 8.The advantages of full duplex RS232 serial ports expansion modules in 8 tunnel of the present utility model have compact-sized, low in energy consumption, reliability height, and mounting arrangements are convenient, and scalability is high.
Description
Technical field
It the utility model is related to communication technical field, more particularly to a kind of 8 tunnel full duplex RS232 serial ports expansion modules.
Background technology
RS232 serial ports is the widest communication mode of industrial control field, and many peripheral circuit functional modules, device all use
In the case of more equipment centralized Controls such as UART communication functions, special environment of internet of things, industrial computer or microcontroller are often
Need to provide Multi-serial port to meet the needs of design.And serial ports on current single-chip microcomputer control core or only one or two, very
More than 2 serial port functions are supported less.
Electronics Engineer often turns serial ports using buses such as SPI, IIC or parallel port turns serial port chip, such as ST16C2550 or
ST16C4550 chips realize 2 tunnels or 4 road UART extensions, and also 74HC244,74HC373 multipath conversion chip realize a small number of mesh strings
The extension of mouth, but modularization is inconvenient, and new occasion can not be flexibly applied to during changes in demand.In Application No.
200810088683.5, the patent of invention of entitled a kind of Multi-serial port implementation method and equipment discloses a kind of Multi-serial port equipment, bag
Include control process equipment, logical device and serial ports transceiver.When receiving multi-channel serial port signal by serial ports transceiver, and being mapped to
Divide the interface multi-slot of multiplexing, invent multiple interfaces.The program realizes the reception of Multiple Intersections signal, is not carried out sending out simultaneously
Send, serial ports expansion is degenerated into unidirectional serial communication, limit application.
Utility model content
To solve the above problems, the utility model provides, a kind of scalability is strong, and arrangement is convenient, and cost is cheap, can be complete double
Work communicates and 8 tunnel full duplex RS232 serial ports expansion modules of compatible various serial ports standards.
The utility model provides a kind of 8 tunnel full duplex RS232 serial ports expansion modules, including pcb board and is arranged on described
Cyclone EP1C3 fpga chips, power supply interface, serial ports socket, expansion of power supply interface, extension winding displacement on pcb board are inserted
Mouth and 8 independent serial ports for being used to connect outside serial equipment, wherein, power supply interface, serial ports socket, extension winding displacement socket
And 8 independent serial ports are electrically connected with Cyclone EP1C3 fpga chips, expansion of power supply interface is used for and the tunnel of next stage 8
The power supply interface connection of full duplex RS232 serial ports expansion modules, extension winding displacement socket are used to cascade the tunnel full duplex of next stage 8
The serial ports socket of RS232 serial ports expansion modules.
Further, the serial ports socket cascades the serial ports socket of next stage expansion module by 9 faller gill line buses.
Further, the independent serial ports is 8 pin RJ45 bilayer zone LED network interfaces.
Further, the expansion of power supply interface is the double lines of 2Pin.
Further, it is additionally provided with mounting hole on the pcb board.
Further, the serial ports socket is DB9 pass interfaces.
Compared to prior art, the advantages of full duplex RS232 serial ports expansion modules in 8 tunnel of the present utility model have, is as follows：
Full duplex RS232 serial ports expansions module in 8 tunnel of the present utility model is by power supply interface on plate and serial ports socket list
Only Boulez, the 8 tunnel full duplexs for realizing serial ports using extended chip extend, and expansion of power supply interface and extension winding displacement socket pass through PCB
Plate cabling provides the power supply and serial ports input signal of next stage expansion module, has compact-sized, low in energy consumption, reliability
The advantages of height, mounting arrangements are convenient, and scalability is high.
Brief description of the drawings
Fig. 1 is the structural representation of full duplex RS232 serial ports expansion modules in 8 tunnel of the present utility model.
Fig. 2 is to use schematic diagram in full duplex RS232 serial ports expansion modules in 8 tunnel of the present utility model.
Embodiment
The technical scheme in the utility model embodiment will be clearly and completely described below, it is clear that described
Embodiment be only a part of embodiment of the utility model, rather than whole embodiment.Based on the utility model
In embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Mode, belong to the scope of the utility model protection.
As shown in figure 1, the utility model provides a kind of 8 tunnel full duplex RS232 serial ports expansion modules, including pcb board 1 and
Cyclone EP1C3 fpga chips 2, power supply interface 3, serial ports socket 4, the expansion of power supply interface being arranged on pcb board 1
5th, extend winding displacement socket 6 and 8 independent serial ports 7 for being used to connect outside serial equipment (in order to illustrate, only depict four in Fig. 1
Individual independent serial ports), wherein, power supply interface 3, serial ports socket 4, extension winding displacement socket 6 and 8 independent serial ports 7 with
Cyclone EP1C3 fpga chips 2 are electrically connected with, and expansion of power supply interface 5 is used to expand with the tunnel full duplex RS232 serial ports of next stage 8
The power supply interface 3 of exhibition module connects, and extension winding displacement socket 6 is used to cascade the tunnel full duplex RS232 serial ports expansion moulds of next stage 8
The serial ports socket 4 of block.It can connect, expansion of power supply interface 5 is connected by the cabling of pcb board 1 with external power source, expansion of power supply
Interface 5 starts to power to it after being connected with the power supply interface 3 of the tunnel full duplex RS232 serial ports expansion modules of next stage 8.
8 tunnel full duplex RS232 serial ports expansions module of the present utility model when in use, can select 8 roads complete as needed
The quantity of duplexing RS232 serial ports expansions module, such as in the present embodiment, select two 8 tunnel full duplex RS232 serial ports expansion moulds
Block, illustrated with two 8 tunnel full duplex RS232 serial ports expansion modules, for convenience of description, by two 8 tunnel full duplex RS232
Serial ports expansion module is named as the one 8 tunnel full duplex RS232 serial ports expansions module and the 2nd 8 tunnel full duplex RS232 serial ports expansions
Module, it is specific as shown in Figure 2, it is illustrated that 28 tunnel full duplex RS232 serial ports expansion modules, PC or embedded microcontroller
Communicate originating end and communication response end.Originating end serial ports inserts the one 8 tunnel full duplex RS232 using RS232 serial port communication lines
The serial ports socket 4 of serial ports expansion module；The power supply interface 3 of one 8 tunnel full duplex RS232 serial ports expansion modules connects outside
Power supply+12V DC power supply；The extension winding displacement socket 6 of one 8 tunnel full duplex RS232 serial ports expansion modules passes through 9 faller gill line buses
Cascade the serial ports socket 4 of the 2nd 8 tunnel full duplex RS232 serial ports expansion modules；One 8 tunnel full duplex RS232 serial ports expansion modules
Expansion of power supply interface 5 pass through the power supply interface that the double lines of 2Pin insert the one 8 tunnel full duplex RS232 serial ports expansion modules
3；The twisted pair line connection communication of 16 independent serial ports COMA1~COMA8 of two serial ports expansion modules, COMB1~COMB8 through RJ45
16 independent serial equipments.In other embodiments, there can be the serial equipments such as more or less PCs, projector work
To communicate responder.
In the present embodiment, it is disposed with around Cyclone EP1C3 fpga chips 2 with Cyclone EP1C3 FPGA cores
Piece 2 is the peripheral circuits such as the serial expanded circuit of core, power supply interface 3, serial ports socket 4, extends winding displacement socket 6 and 8
Individual independent serial ports 7 is connected by peripheral circuit with Cyclone EP1C3 fpga chips 2, and the peripheral circuit is prior art,
It will not be repeated here.
In the present embodiment, expansion of power supply interface 5 is the double lines of 2Pin.
In the present embodiment, serial ports socket 4 cascades the serial ports socket 4 of next stage expansion module by 9 faller gill line buses.
In the present embodiment, independent serial ports 7 is 8 pin RJ45 bilayer zone LED network interfaces.
In the present embodiment, mounting hole 8 is additionally provided with pcb board 1, mounting hole 8 is used for the fixed serial ports of operation field installation and expanded
Open up module.
In the present embodiment, serial ports socket 4 is DB9 pass interfaces.
The effective of 8 tunnel full duplex RS232 serial ports expansion modules of the present utility model be：
Full duplex RS232 serial ports expansions module in 8 tunnel of the present utility model is by power supply interface 3 on plate and serial ports socket 4
Independent Boulez, the 8 tunnel full duplexs for realizing serial ports using extended chip extend, and expansion of power supply interface 5 and extension winding displacement socket 6 are logical
Cross the cabling of pcb board 1 provide next stage expansion module power supply and serial ports input signal, have it is compact-sized, it is low in energy consumption, can
It is high by property, the advantages of mounting arrangements are convenient, and scalability is high.
The explanation of above example is only intended to help and understands method and its core concept of the present utility model.It should refer to
Go out, for those skilled in the art, can also be to this on the premise of the utility model principle is not departed from
Utility model carries out some improvement and modification, and these are improved and modification also falls into the protection domain of the utility model claims
It is interior.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (6)
1. a kind of 8 tunnel full duplex RS232 serial ports expansion modules, it is characterised in that including pcb board (1) and be arranged on the PCB
Cyclone EP1C3FPGA chips (2), power supply interface (3), serial ports socket (4), expansion of power supply interface on plate (1)
(5) winding displacement socket (6) and 8 independent serial ports (7) for being used to connect outside serial equipment, are extended, wherein, power supply interface
(3), serial ports socket (4), extension winding displacement socket (6) and 8 independent serial ports (7) with Cyclone EP1C3FPGA chips (2)
It is electrically connected with, expansion of power supply interface (5) is used for the power supply interface with the tunnel full duplex RS232 serial ports expansion modules of next stage 8
(3) connect, extension winding displacement socket (6) is used for the serial ports socket (4) for cascading the tunnel full duplex RS232 serial ports expansion modules of next stage 8.
2. full duplex RS232 serial ports expansion modules in 8 tunnel as claimed in claim 1, it is characterised in that the serial ports socket (4)
The serial ports socket (4) of next stage expansion module is cascaded by 9 faller gill line buses.
3. full duplex RS232 serial ports expansion modules in 8 tunnel as claimed in claim 1, it is characterised in that the independent serial ports (7)
For 8 pin RJ45 bilayer zone LED network interfaces.
4. full duplex RS232 serial ports expansion modules in 8 tunnel as claimed in claim 1, it is characterised in that the expansion of power supply interface
(5) it is the double lines of 2Pin.
5. full duplex RS232 serial ports expansion modules in 8 tunnel as claimed in claim 4, it is characterised in that on the pcb board (1) also
Provided with mounting hole (8).
6. full duplex RS232 serial ports expansion modules in 8 tunnel as claimed in claim 1, it is characterised in that the serial ports socket (4)
For DB9 pass interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720446224.4U CN206757603U (en) | 2017-04-25 | 2017-04-25 | 8 tunnel full duplex RS232 serial ports expansion modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720446224.4U CN206757603U (en) | 2017-04-25 | 2017-04-25 | 8 tunnel full duplex RS232 serial ports expansion modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206757603U true CN206757603U (en) | 2017-12-15 |
Family
ID=60616034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720446224.4U Expired - Fee Related CN206757603U (en) | 2017-04-25 | 2017-04-25 | 8 tunnel full duplex RS232 serial ports expansion modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206757603U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110888370A (en) * | 2019-12-06 | 2020-03-17 | 江苏摩立特科技有限公司 | Micro-power consumption multifunctional integrated data acquisition unit |
-
2017
- 2017-04-25 CN CN201720446224.4U patent/CN206757603U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110888370A (en) * | 2019-12-06 | 2020-03-17 | 江苏摩立特科技有限公司 | Micro-power consumption multifunctional integrated data acquisition unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20200425 |