CN107704415A - Simple RS232 multifunctional serial port expanding units - Google Patents
Simple RS232 multifunctional serial port expanding units Download PDFInfo
- Publication number
- CN107704415A CN107704415A CN201711080825.9A CN201711080825A CN107704415A CN 107704415 A CN107704415 A CN 107704415A CN 201711080825 A CN201711080825 A CN 201711080825A CN 107704415 A CN107704415 A CN 107704415A
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- CN
- China
- Prior art keywords
- horizontal
- sockets
- diode
- male
- serial port
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000002955 isolation Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4004—Coupling between buses
- G06F13/4022—Coupling between buses using switching circuits, e.g. switching matrix, connection or expansion network
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/6608—Structural association with built-in electrical component with built-in single component
- H01R13/6641—Structural association with built-in electrical component with built-in single component with diode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
- H01R31/065—Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0002—Serial port, e.g. RS232C
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The invention discloses a kind of simple RS232 multifunctional serial port expanding units, including string DB9 horizontal sockets, the DB9 horizontal sockets include the horizontal female sockets of DB9 and the horizontal male sockets of DB9, described horizontal female socket one end of DB9 is connected by data reception module thereon with computer RS232 serial ports, the other end is connected by data transmission blocks thereon with diode, information on the computer RS232 is transferred to the horizontal male sockets of the DB9 by the horizontal female sockets of the DB9 using the unilateral conduction of the diode, the horizontal male sockets of DB9 are provided with six, six horizontal male sockets of DB9 can individually complete the output of information, the diode is provided with six, the diode corresponds with the horizontal male sockets of the DB9.Light compact, very convenient carrying of the invention.
Description
Technical field：
The present invention relates to a kind of serial ports expansion device, more particularly to a kind of simple RS232 multifunctional serial port expanding units.
Background technology：
In electronic communication work field, electronic communication engineer unavoidably needs often to come into contacts with serial communication, the most frequently used
It is exactly the RS232 serial line interfaces that computer PC is carried, but the RS232 serial ports that often computer PC carries only has one, has
Shi Buneng meets the test job of the multiple commissioning devices of communication enineer, it is common practice to is passed through with USB RS 232 converters
USB port is extended；Or multiple RS232 interfaces are expanded by pci bus mouth with PCI RS 232s expansion card, the two methods
All it is feasible, but the shortcomings that they have itself：Finished product USB converter on the market is typically all that a converter only has one
Individual RS232 mouths, if necessary to must just use multiple USB RS 232s converters during multiple RS232 mouths, and PCI RS 232s expand
Exhibition card installation trouble, price are slightly expensive.
The content of the invention：
The technical problems to be solved by the invention are：Overcome the deficiencies in the prior art, there is provided a kind of light compact, safe and reliable
Simple RS232 multifunctional serial port expanding units.
It is of the invention to be for the technical solution adopted for solving the technical problem：
A kind of simple RS232 multifunctional serial port expanding units, including DB9 horizontal sockets, the DB9 horizontal sockets are arranged on circuit
On plate, the DB9 horizontal sockets include the horizontal female sockets of DB9 and the horizontal male sockets of DB9, the horizontal female sockets of DB9
One end is connected by data reception module thereon with computer RS232 serial ports, and the other end passes through data transmission blocks thereon
It is connected with the diode on wiring board, the information on the computer RS232 serial ports is utilized by the horizontal female sockets of the DB9
The unilateral conduction of the diode is transferred to the horizontal male sockets of the DB9.
The horizontal female sockets of DB9 are provided with one, and a horizontal female socket of DB9 is arranged on the wiring board
A side on, the horizontal male sockets of DB9 are provided with six, and six horizontal male sockets of DB9 are distributed on described
The other three side of wiring board, and six horizontal male sockets of DB9 can individually complete the output of information.
The diode is provided with six, and the diode corresponds with the horizontal male sockets of the DB9, two pole
Pipe is arranged on the wiring board, and the diode is as a state isolation device by the horizontal female sockets of the DB9
Information is delivered separately on six horizontal male sockets of DB9, except being crossed with the DB9 horizontal sockets on the wiring board
Place is provided with shell.
The present invention positive beneficial effect be：
1st, by the use of diode as state isolation device in the present invention, and row information is entered using the unilateral conduction of diode
Transmission, securely and reliably；Circuit board is wrapped furthermore with shell, not only protects component, and be also convenient for the present apparatus
Carry.
2nd, the present invention is simply simply horizontal by passing information to DB9 after diode using the horizontal female sockets of DB9
Male socket, overall peripheral device is few, easy to maintenance easy；It is very convenient to carry and overall structure is light compact.
3rd, the present invention receives serial ports of computers information using an input horizontal female socket of DB9, and passes through multiple two
One signal is divided into multiple signal outputs by pole pipe, then defeated by the horizontal male socket progress physical connections of multiple output DB9
Go out, realize one-to-many serial ports expansion function.
Brief description of the drawings：
Fig. 1 is the structure connection diagram of simple RS232 multifunctional serial port expanding units of the invention；
Fig. 2 is the circuit theory diagrams of simple RS232 multifunctional serial port expanding units of the invention.
Embodiment：
1, accompanying drawing 2 and specific embodiment make further explanation and description to the present invention below in conjunction with the accompanying drawings：
Embodiment：A kind of simple RS232 multifunctional serial port expanding units, including DB9 horizontal sockets, DB9 horizontal sockets are arranged on
On wiring board, DB9 horizontal sockets include the horizontal female sockets of DB9 and the horizontal male sockets of DB9, the horizontal female socket one end of DB9
It is connected by data reception module thereon with computer RS232 serial ports, the other end passes through data transmission blocks thereon and line
Diode on the plate of road connects, and the information on computer RS232 serial ports utilizes the unidirectional of diode by the horizontal female sockets of DB9
Electric conductivity is transferred to the horizontal male sockets of DB9.
According to its circuit theory diagrams, the RS232 Serial Port Informations of computer input to mould by the horizontal female socket P301 of DB9
Block, module is realized to RS232 level signal state isolations by diode, defeated again so as to which a signal is converted into multiple signals
Go out to six output ports such as P302-P307.
Diode in the present apparatus is inputted using 1N4148 as isolating diode, and by its unilateral conduction
The state isolation of output.
The regulation made according to RS232C to electrical characteristic, logic level,
Logic 1 (MARK)=- 3V~-15V
Logical zero (SPACE)=+ 3~+15V
When output signal TXD level is 1, what diode D300-D305 passed through is -15V voltages, therefore D300-D305 diodes
Cut-off, when TXD information is 0, what diode D300-D305 passed through is+15V voltages, the conducting of D300-D305 diodes, is realized
Data communication；When input signal RXD level is 0, diode D310-D315 passes through and+15V voltages, therefore D310-D315
Diode current flow, data communication is realized, when RXD level is 1, what diode D310-D315 passed through is -15V voltages, D310-
State isolation is realized in the cut-off of D315 diodes.
The horizontal female sockets of DB9 are provided with one, and the horizontal female sockets of a DB9 set a side of assist side
On, the horizontal male sockets of DB9 are provided with six, on the other three side of the horizontal uniform assist sides of male socket of six DB9,
And the horizontal male sockets of six DB9 can individually complete the output of information.
Diode is provided with six, and diode corresponds with the horizontal male sockets of DB9, and diode sets assist side
On, the information on the horizontal female sockets of DB9 is delivered separately to six horizontal public affairs of DB9 by diode as a state isolation device
In connector, except being provided with shell with DB9 horizontal sockets intersection on wiring board.
During work, the RS232 serial ports of the horizontal female sockets of DB9 in the present invention and computer is connected, computer
RS232 Serial Port Informations input to module by the horizontal female sockets of DB9, and module is realized to RS232 level signals by diode
State isolation, it is output to again on the horizontal male sockets of six output port DB9 so as to which a signal is converted into multiple signals, it is real
Existing a pair of six serial ports expansions.
It is described above, only it is the preferred embodiments of the present invention, any formal limitation is not made to the present invention, it is all
It is any simple modification, equivalent change and modification made according to the technical spirit of the present invention to above example, still falls within
In the protection domain of technical solution of the present invention.
Claims (3)
1. a kind of simple RS232 multifunctional serial port expanding units, including DB9 horizontal sockets, it is characterized in that：The DB9 is horizontal to be inserted
Seat is set in the circuit board, and the DB9 horizontal sockets include the horizontal female sockets of DB9 and the horizontal male sockets of DB9, the DB9
Horizontal female socket one end is connected by data reception module thereon with computer RS232 serial ports, and the other end is by thereon
Data transmission blocks are connected with the diode on wiring board, and the information on the computer RS232 serial ports is horizontal by the DB9
Female socket is transferred to the horizontal male sockets of the DB9 using the unilateral conduction of the diode.
2. simple RS232 multifunctional serial port expanding units according to claim 1, it is characterized in that：The horizontal females of DB9
Socket is provided with one, and a horizontal female socket of DB9 is arranged on a side of the wiring board, and the DB9 crouches
Formula male socket is provided with six, and six horizontal male sockets of DB9 are distributed on the other three side of the wiring board,
And six horizontal male sockets of DB9 can individually complete the output of information.
3. simple RS232 multifunctional serial port expanding units according to claim 2, it is characterized in that：The diode is set
There are six, the diode is corresponded with the horizontal male sockets of the DB9, and the diode is arranged on the wiring board,
Except being provided with shell with the DB9 horizontal sockets intersection on the wiring board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711080825.9A CN107704415A (en) | 2017-11-06 | 2017-11-06 | Simple RS232 multifunctional serial port expanding units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711080825.9A CN107704415A (en) | 2017-11-06 | 2017-11-06 | Simple RS232 multifunctional serial port expanding units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107704415A true CN107704415A (en) | 2018-02-16 |
Family
ID=61176695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711080825.9A Pending CN107704415A (en) | 2017-11-06 | 2017-11-06 | Simple RS232 multifunctional serial port expanding units |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107704415A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101551643A (en) * | 2009-04-28 | 2009-10-07 | 青岛海信智能商用设备有限公司 | Cashbox drive control panel of POS machine |
| CN202049483U (en) * | 2011-05-06 | 2011-11-23 | 深圳市慧视通科技股份有限公司 | Serial port expander |
| CN202534912U (en) * | 2012-03-31 | 2012-11-14 | 深圳市中兴新地通信器材有限公司 | Practical multifunctional serial-port debugging converter |
| CN203688694U (en) * | 2013-12-31 | 2014-07-02 | 广东达元食品药品安全技术有限公司 | Serial port connecting line detection circuit |
| CN104331382A (en) * | 2014-09-18 | 2015-02-04 | 杭州电子科技大学 | Multiple-serial-port data transmitting and receiving control circuit based on STM32 single chip microcomputer |
| CN104572556A (en) * | 2014-12-31 | 2015-04-29 | 上海玮舟微电子科技有限公司 | Multistage serial port expansion circuit |
| CN204333489U (en) * | 2015-01-04 | 2015-05-13 | 宋晨 | A kind of serial line interface with protective device |
| CN204695308U (en) * | 2015-05-28 | 2015-10-07 | 华帝股份有限公司 | Single-wire communication device between two devices |
| CN206249301U (en) * | 2016-11-03 | 2017-06-13 | 成都声立德克技术有限公司 | A kind of short distance UART bus communication structures |
| CN106941408A (en) * | 2017-04-26 | 2017-07-11 | 国网山东省电力公司齐河县供电公司 | Expanded circuit and one-to-many communication device for the interfaces of RS 232 |
| CN207319229U (en) * | 2017-11-06 | 2018-05-04 | 郑州华力信息技术有限公司 | Simple RS232 multifunctional serial port expanding units |
-
2017
- 2017-11-06 CN CN201711080825.9A patent/CN107704415A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101551643A (en) * | 2009-04-28 | 2009-10-07 | 青岛海信智能商用设备有限公司 | Cashbox drive control panel of POS machine |
| CN202049483U (en) * | 2011-05-06 | 2011-11-23 | 深圳市慧视通科技股份有限公司 | Serial port expander |
| CN202534912U (en) * | 2012-03-31 | 2012-11-14 | 深圳市中兴新地通信器材有限公司 | Practical multifunctional serial-port debugging converter |
| CN203688694U (en) * | 2013-12-31 | 2014-07-02 | 广东达元食品药品安全技术有限公司 | Serial port connecting line detection circuit |
| CN104331382A (en) * | 2014-09-18 | 2015-02-04 | 杭州电子科技大学 | Multiple-serial-port data transmitting and receiving control circuit based on STM32 single chip microcomputer |
| CN104572556A (en) * | 2014-12-31 | 2015-04-29 | 上海玮舟微电子科技有限公司 | Multistage serial port expansion circuit |
| CN204333489U (en) * | 2015-01-04 | 2015-05-13 | 宋晨 | A kind of serial line interface with protective device |
| CN204695308U (en) * | 2015-05-28 | 2015-10-07 | 华帝股份有限公司 | Single-wire communication device between two devices |
| CN206249301U (en) * | 2016-11-03 | 2017-06-13 | 成都声立德克技术有限公司 | A kind of short distance UART bus communication structures |
| CN106941408A (en) * | 2017-04-26 | 2017-07-11 | 国网山东省电力公司齐河县供电公司 | Expanded circuit and one-to-many communication device for the interfaces of RS 232 |
| CN207319229U (en) * | 2017-11-06 | 2018-05-04 | 郑州华力信息技术有限公司 | Simple RS232 multifunctional serial port expanding units |
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