CN202308699U - Multifunctional serial port connecting device - Google Patents
Multifunctional serial port connecting device Download PDFInfo
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- CN202308699U CN202308699U CN2011203672816U CN201120367281U CN202308699U CN 202308699 U CN202308699 U CN 202308699U CN 2011203672816 U CN2011203672816 U CN 2011203672816U CN 201120367281 U CN201120367281 U CN 201120367281U CN 202308699 U CN202308699 U CN 202308699U
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- 238000004891 communication Methods 0.000 description 4
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- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a multifunctional serial port connecting device which includes a three-core cable and joints which are connected with the two ends of the three-core cable. Each joint includes a DB9 needle type terminal, a first DB9 hole type terminal, and a linkage double-pole switch. The connecting terminals of the DB9 needle type terminal and the connecting terminals of the first DB9 hole type terminal are correspondingly connected. A second signal terminal and a third signal terminal are connected with two input terminals of the linkage double-pole switch respectively. Two output terminals of each linkage double-pole switch and ground terminals of the two joints are correspondingly connected via the three-core cable. The multifunctional serial port connecting device has the following advantages: the multifunctional serial port connecting device is provided with the needle type joint and the hole type joint at the same time, and both of the joints can be inserted; the line order adjustment is easy, the line order can be adjusted only by pressing S; the multifunctional serial port connecting device can monitor whether or not the data on a bus is normal; an engineer can never be distracted by the serial port wire joint and line order problem, so the working efficiency is greatly improved.
Description
Technical field
The utility model relates to a kind of multifunctional serial port jockey, is used for the connection of the RS232 universal serial bus between the distinct device of computer control system.
Background technology
In computer control system, often to use the RS232 universal serial bus.Two equipment connect through the RS232 bus, need with passing through a Serial Port Line.Present employed connecting line has " hole is to the hole Serial Port Line ", " to the hole Serial Port Line " and " to the needle serial port line ", and each also has the branch of intersection and non-intersection.So in use, must find corresponding Serial Port Line could accomplish the transfer of data of RS232 smoothly.
Above this Serial Port Line, though can accomplish transfer of data in correct using.But have a lot of equipment in computer system the inside, the output of pin type port is arranged between equipment and the equipment, pass port output is arranged, have on the online preface and use the cross spider preface, also have and use direct-connected line preface.So often the existing Serial Port Line of outlet is inserted less than the phenomenon of going above the equipment in debug process.Though what also have can plug, because line preface cross-cutting issue can not be accomplished the RS232 communication.Brought a lot of unnecessary troubles for debugging work.And this Serial Port Line also can only be used for the transfer of data of two equipment, and whether the data that can not monitor on the RS232 bus are normal.
Summary of the invention
The utility model aims to provide a kind of multifunctional serial port jockey, and to solve two problems that prior art exists: the first, RS232 serial communication data wire is of a great variety, brings the problem of a lot of obstacles for debugging work; The second, can not monitor data on the RS232 bus.
The technical scheme of the utility model is: a kind of multifunctional serial port jockey; Comprise three-core cable and the joint that is connected to its two ends; It is characterized in that; Each described joint comprises the two switches of putting of DB9 pin type terminal, a DB9 pass terminal and an interlock double-pole, and DB9 pin type terminal and the mutual corresponding connection of each link of a DB9 pass terminal, the 2nd, the 3rd signal end wherein are connected with two two inputs putting switch of interlock double-pole respectively; Each interlock double-pole is two to be put between two outputs of switch, and connects through described three-core cable is corresponding each other between the earth terminal of two joints.
The two ends of described three-core cable are connected with the corresponding end of two joints through one three pin terminal plug connector respectively.
Between the 4th and the 6th signal end of each described joint, be connected with first jumper terminal; Between the 7th and the 8th signal end of each described joint, be connected with second jumper terminal; This first jumper terminal and second jumper terminal are as two handshake in the EIA RS-232C agreement.
Each described joint also comprises the 2nd DB9 pass terminal and the 3rd DB9 pass terminal, and the earth terminal of the 2nd DB9 pass terminal and the 3rd DB9 pass terminal, the 2nd is connected with the 3rd signal end is corresponding with described earth terminal, the 2nd respectively with the 3rd signal end; The 2nd DB9 pass terminal and the 3rd DB9 pass terminal are used for monitoring the data above the RS232 bus.
Between the 2nd and the 3rd signal end of described the 2nd DB9 pass terminal and the 3rd DB9 pass terminal, connect first reserved function, two terminated line terminals and second reserved function, two terminated line terminals respectively.Described DB9 pin type terminal, a DB9 pass terminal, the 2nd DB9 pass terminal, the 3rd DB9 pass terminal, interlock double-pole be two to be put switch, three pin terminal plug connectors, first jumper terminal, second jumper terminal, first reserved function, two terminated line terminals and second reserved function, two terminated line terminals and all is welded on the printed circuit board (PCB).
The utility model has the advantages that: in the RS232 of computer system interface debugging, need not prepare multiple Serial Port Line, use the utility model just can be with the free-throw line preface, and the serial communication equipment of the RS232 standard of arbitrary port couples together and carries out communication.The utility model possesses pin type and two kinds of joints of pass simultaneously, so two kinds of joints can be plugged.Adjustment line preface is also very simple, clicks S1 line preface and has just adjusted.Whether the data that can also monitor on the bus are normal.The engineer again needn't divert one's attention for Serial Port Line joint and line preface problem in when debugging, had improved operating efficiency greatly.
Description of drawings
Fig. 1 is the electrical connection graph of the utility model;
Fig. 2 is the profile sketch map of the embodiment of the utility model.
Embodiment
Referring to Fig. 1 and Fig. 2; A kind of multifunctional serial port jockey of the utility model; Comprise three-core cable A and the joint that is connected to its two ends, it is characterized in that each described joint comprises the two switch S 1 of putting of DB9 pin type terminal J1, a DB9 pass terminal J2 and an interlock double-pole; DB9 pin type terminal J1 and the mutual corresponding connection of each link of a DB9 pass terminal J2, the 2nd, the 3rd signal end wherein are connected with two two inputs putting switch S 1 of interlock double-pole respectively; Each interlock double-pole is two to be put between two outputs of switch S 1, and connects through described three-core cable A is corresponding each other between the earth terminal of two joints.
The two ends of described three-core cable A are connected with the corresponding end of two joints through one three pin terminal plug connector JP1 respectively.
Further, between the 4th and the 6th signal end of each described joint, be connected with the first jumper terminal JP2; Between the 7th and the 8th signal end of each described joint, be connected with the second jumper terminal JP3; This first jumper terminal JP2 and the second jumper terminal JP3 are as two handshake in the EIA RS-232C agreement.
Further; Each described joint also comprises the 2nd DB9 pass terminal J3 and the 3rd DB9 pass terminal J4, and the earth terminal of the 2nd DB9 pass terminal J3 and the 3rd DB9 pass terminal J4, the 2nd is connected with the 3rd signal end is corresponding with described earth terminal, the 2nd respectively with the 3rd signal end; The 2nd DB9 pass terminal J3 and the 3rd DB9 pass terminal J4 are used for monitoring the data above the RS232 bus.
Further, between the 2nd and the 3rd signal end of described the 2nd DB9 pass terminal J3 and the 3rd DB9 pass terminal J4, connect first reserved function, two terminated line terminal JP4 and second reserved function, two terminated line terminal JP5 respectively.
Described DB9 pin type terminal J1, a DB9 pass terminal J2, the 2nd DB9 pass terminal J3, the 3rd DB9 pass terminal J4, interlock double-pole be two to be put switch S 1, three pin terminal plug connector JP1, the first jumper terminal JP2, the second jumper terminal JP3, first reserved function, two terminated line terminal JP4 and second reserved function, two terminated line terminal JP5 and all is welded on the printed circuit board (PCB) B.
J1, J3 and J4 are that DB9 pass terminal, J2 are DB9 pin type terminal among the figure; JP1 is three pin terminals; JP2, JP3, JP4, JP5 are jumper terminal; S1 is the two switches of putting of interlock double-pole.The utility model is made up of two circuit units shown in Figure 1, and is middle by the JP1 connection of a three-core cable (lead) A through two ends.J1 and J2 are respectively pass and pin type terminal, and so no matter the terminal of connected equipment is above pin type or pass can be inserted in the utility model.Then through S1 switch cross line preface and direct-connected line preface.J3 and J4 can be used for monitoring the data above the RS232 bus.JP2 and JP3 are two handshake in the EIA RS-232C agreement, also availablely accomplish Handshake Protocol through these two terminals of short circuit.JP4 and JP5 are the reserved function ends, when these two terminals by short circuit, J3 and J4 have just also possessed the function of sending data.
Claims (6)
1. multifunctional serial port jockey; Comprise three-core cable (A) and be connected to the joint at its two ends; It is characterized in that; Each described joint comprises the two switches (S1) of putting of a DB9 pin type terminal (J1), a DB9 pass terminal (J2) and interlock double-pole, and DB9 pin type terminal (J1) and the mutual corresponding connection of each link of a DB9 pass terminal (J2), the 2nd, the 3rd signal end wherein are connected with two two inputs putting switch (S1) of interlock double-pole respectively; Each interlock double-pole is two to be put between two outputs of switch (S1), and connects through described three-core cable (A) is corresponding each other between the earth terminal of two joints.
2. multifunctional serial port jockey according to claim 1 is characterized in that, the two ends of described three-core cable (A) are connected with the corresponding end of two joints through one three pin terminal plug connector (JP1) respectively.
3. multifunctional serial port jockey according to claim 1 is characterized in that, between the 4th and the 6th signal end of each described joint, is connected with first jumper terminal (JP2); Between the 7th and the 8th signal end of each described joint, be connected with second jumper terminal (JP3); This first jumper terminal (JP2) and second jumper terminal (JP3) are as two handshake in the EIA RS-232C agreement.
4. multifunctional serial port jockey according to claim 1; It is characterized in that; Each described joint also comprises the 2nd DB9 pass terminal (J3) and the 3rd DB9 pass terminal (J4), and the earth terminal of the 2nd DB9 pass terminal (J3) and the 3rd DB9 pass terminal (J4), the 2nd is connected with the 3rd signal end is corresponding with described earth terminal, the 2nd respectively with the 3rd signal end; The 2nd DB9 pass terminal (J3) and the 3rd DB9 pass terminal (J4) are used for monitoring the data above the RS232 bus.
5. multifunctional serial port jockey according to claim 4; It is characterized in that, between the 2nd and the 3rd signal end of described the 2nd DB9 pass terminal (J3) and the 3rd DB9 pass terminal (J4), connect first reserved function, two terminated line terminals (JP4) and second reserved function, two terminated line terminals (JP5) respectively.
6. multifunctional serial port jockey according to claim 5; It is characterized in that described DB9 pin type terminal (J1), a DB9 pass terminal (J2), the 2nd DB9 pass terminal (J3), the 3rd DB9 pass terminal (J4), interlock double-pole be two to be put switch (S1), three pin terminal plug connectors (JP1), first jumper terminal (JP2), second jumper terminal (JP3), first reserved function, two terminated line terminals (JP4) and second reserved function, two terminated line terminals (JP5) and all be welded on the printed circuit board (PCB) (B).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203672816U CN202308699U (en) | 2011-09-30 | 2011-09-30 | Multifunctional serial port connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203672816U CN202308699U (en) | 2011-09-30 | 2011-09-30 | Multifunctional serial port connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202308699U true CN202308699U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203672816U Expired - Fee Related CN202308699U (en) | 2011-09-30 | 2011-09-30 | Multifunctional serial port connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202308699U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393934A (en) * | 2014-11-18 | 2015-03-04 | 成都理工大学 | Bidirectional monitoring device of RS232 serial port test system |
| CN105429907A (en) * | 2015-11-04 | 2016-03-23 | 上海斐讯数据通信技术有限公司 | Automatic serial port identification device and method |
| CN106168935A (en) * | 2016-06-30 | 2016-11-30 | 百度在线网络技术（北京）有限公司 | A kind of serial ports conversion equipment and the method obtaining equipment bi-directional data |
| CN106340763A (en) * | 2015-07-15 | 2017-01-18 | 北京谊安医疗系统股份有限公司 | Female-to-female self-adaptive serial interface patch cord |
| CN111856340A (en) * | 2020-07-15 | 2020-10-30 | 中车大连电力牵引研发中心有限公司 | Testing device for realizing any short circuit and multiple types of adjustable signal input and using method thereof |
-
2011
- 2011-09-30 CN CN2011203672816U patent/CN202308699U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393934A (en) * | 2014-11-18 | 2015-03-04 | 成都理工大学 | Bidirectional monitoring device of RS232 serial port test system |
| CN104393934B (en) * | 2014-11-18 | 2018-08-28 | 成都理工大学 | RS232 serial ports tests the bidirectional monitoring device of system |
| CN106340763A (en) * | 2015-07-15 | 2017-01-18 | 北京谊安医疗系统股份有限公司 | Female-to-female self-adaptive serial interface patch cord |
| CN106340763B (en) * | 2015-07-15 | 2018-07-20 | 北京谊安医疗系统股份有限公司 | A kind of adaptive serial line interface patchcord of female to female |
| CN105429907A (en) * | 2015-11-04 | 2016-03-23 | 上海斐讯数据通信技术有限公司 | Automatic serial port identification device and method |
| CN105429907B (en) * | 2015-11-04 | 2018-06-19 | 上海斐讯数据通信技术有限公司 | Serial ports automatic identification equipment and method |
| CN106168935A (en) * | 2016-06-30 | 2016-11-30 | 百度在线网络技术（北京）有限公司 | A kind of serial ports conversion equipment and the method obtaining equipment bi-directional data |
| CN111856340A (en) * | 2020-07-15 | 2020-10-30 | 中车大连电力牵引研发中心有限公司 | Testing device for realizing any short circuit and multiple types of adjustable signal input and using 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: 20120704 Termination date: 20140930 |
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| EXPY | Termination of patent right or utility model |