CN213905775U - One-to-two serial port communication wire - Google Patents
One-to-two serial port communication wire Download PDFInfo
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- CN213905775U CN213905775U CN202120041833.8U CN202120041833U CN213905775U CN 213905775 U CN213905775 U CN 213905775U CN 202120041833 U CN202120041833 U CN 202120041833U CN 213905775 U CN213905775 U CN 213905775U
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Abstract
The utility model discloses a one drags two serial ports communication wire rod, including first connector, second connector, third connector and data line, first connector is connected to the one end of data line, and second connector and third connector are connected to the other end of data line, and this kind of communication wire rod strong adaptability, especially compatible strong under the condition of multiple type serial ports, be applicable to production test, scenes such as laboratory debugging and after-sales service, not only convenient to use, with low costs, but also the management of being convenient for.
Description
Technical Field
The utility model relates to a wire rod technical field specifically, relates to a one drags two serial ports communication wire rods.
Background
The existing serial communication wires are all one-to-one, namely, the two connectors are communicated by a data line. The conventional one-to-one serial communication wire is usually only suitable for one situation, for example, one serial communication wire which can be used for RS232 cannot be used for RS485 communication, and certain compatibility problems exist. In addition, the real mainboard especially industrial control class mainboard product has a plurality of serial ports usually, and relates to multiple serial port type, like RS232 mode, RS422 mode, RS485 mode, TTL level, just need prepare multiple serial port communication wire rod when doing the serial port communication, not only inconvenient use, but also the cost is still high, and simultaneously, the management of wire rod is difficult to unify.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a one drags two serial ports communication wire rods.
The utility model discloses a one drags two serial ports communication wire rod, include: the first connector is provided with a first pin I, a first pin II, a first pin III, a first pin IV, a first pin V, a first pin VI, a first pin VII, a first pin VIII and a first pin VII;
the second connector is provided with a first second pin, a third second pin, a fourth second pin, a fifth second pin, a sixth second pin, a seventh second pin, an eighth second pin and a ninth second pin;
the third connector is provided with a first third pin, a second third pin, a fourth third pin, a fifth third pin, a sixth third pin, a seventh third pin, an eighth third pin and a ninth third pin; and
the data line is provided with a first connecting line, a second connecting line, a third connecting line, a fourth connecting line, a fifth connecting line, a sixth connecting line, a seventh connecting line and an eighth connecting line;
the first pin is connected with the first pin through the first connecting wire, the second pin is connected with the second pin through the second connecting wire, the third pin is connected with the third pin through the third connecting wire, the fourth pin is connected with the fourth connecting wire through the fourth connecting wire, the fifth pin is connected with the fifth pin through the fifth connecting wire, the sixth connecting wire is communicated with the third connecting wire and the second pin, the seventh connecting wire is communicated with the second connecting wire and the third pin, and the eighth connecting wire is communicated with the fifth connecting wire and the fifth pin.
According to an embodiment of the present invention, the first connector is a DB connector.
According to the utility model discloses an embodiment, the DB connector that the second connector is sign TTL RS.
According to an embodiment of the present invention, the third connector is a DB connector of the identification RS/RS
The beneficial effects of the utility model reside in that, through the cooperation setting of first connector, second connector, third connector and data line, first connector is connected to the one end of data line, and second connector and third connector are connected to the other end of data line, and this kind of communication wire rod strong adaptability, especially compatible strong under the condition of multiple type serial ports, be applicable to production test, scenes such as laboratory debugging and after-sales service, not only convenient to use, with low costs, but also the management of being convenient for.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of a serial communication wire with two wires in one embodiment.
Description of reference numerals:
1-a first connector; 11-first pin; 12-number two first pin; 13-number three first pin; 14-number four first pin; no. 15-five first pin; number 16-six first pin; number 17-seventh first pin; 18-eighth first pin; 19-ninth first pin;
2-a second connector; 21-number one second pin; 22-second pin; 23-second pin number three; 24-fourth second pin; no. 25-fifth second pin; no. 26-sixth second pin; 27-seventh second pin; no. 28-eighth second pin; no. 29-ninth second pin;
3-a third connector; 31-pin number one; 32-third pin number two; 33-third pin; number 34-fourth third pin; no. 35-fifth third pin; number 36-sixth third pin; no. 37-seventh third Pin; no. 38-eighth third pin; no. 39-ninth third pin;
4-a data line; 41-a connecting line; 42-second connecting line; 43-third connecting line; 44-four connecting lines; 45-five connecting lines; 46-six connecting line; 47-seven connecting lines; 48-eight connecting lines.
Detailed Description
In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1, fig. 1 is a schematic structural diagram of a serial communication wire with one serial communication wire and two serial communication wires in an embodiment. The one-to-two serial port communication wire rod comprises a first connector, a second connector, a third connector and a data line, wherein the first connector is connected with one end of the data line, the second connector and the third connector are connected with the other end of the data line, and the first connector, the second connector and the third connector are communicated when different serial ports are inserted into the data line.
The first connector is provided with a first pin, a second pin, a third pin, a fourth pin, a fifth pin, a sixth pin, a seventh pin, an eighth pin and a ninth pin.
The second connector is provided with a first second pin, a third second pin, a fourth second pin, a fifth second pin, a sixth second pin, a seventh second pin, an eighth second pin and a ninth second pin.
The third connector is provided with a first third pin, a second third pin, a fourth third pin, a fifth third pin, a sixth third pin, a seventh third pin, an eighth third pin and a ninth third pin.
The data line includes a connecting wire, No. two connecting wires, No. three connecting wires, No. four connecting wires, No. five connecting wires, No. six connecting wires, No. seven connecting wires, No. eight connecting wires and No. nine connecting wires.
The two ends of a first connecting wire are respectively connected with a first pin and a third pin, the two ends of a second connecting wire are respectively connected with the first pin and the third pin, the two ends of a third connecting wire are respectively connected with the first pin and the third pin, the two ends of a fourth connecting wire are respectively connected with the first pin and the third pin, the two ends of a fifth connecting wire are respectively connected with the first pin and the third pin, one end of a sixth connecting wire is connected with the third connecting wire, the other end of the sixth connecting wire is connected with the second pin, one end of a seventh connecting wire is connected with the second connecting wire, the other end of the seventh connecting wire is connected with the second pin, one end of an eighth connecting wire is connected with the fifth connecting wire, and the other end of the eighth connecting wire is connected with the fifth pin. The rest of the number six first pin, the number seven first pin, the number eight first pin, the number nine first pin, the number one second pin, the number four second pin, the number six second pin, the number seven second pin, the number eight second pin, the number nine second pin, the number six third pin, the number seven third pin, the number eight third pin and the number nine third pin are all vacant.
Preferably, the first connector is a DB9 connector. The second connector is a DB9 connector identified as TTL/RS 232. The third connector is a DB9 connector which identifies RS422/RS 485. In specific application, the DB9 connector is adopted, and the flat cable with the wire diameter of 8P is adopted as the data wire and the data wire, so that the purchase is convenient, and the price is low; meanwhile, LOGO and silk screen are used on the connecting head, so that standardization and standard unification are facilitated. In addition, a structure of one support and two is adopted, so that the management of the wire is facilitated, and the wire is prevented from being disordered in the using process.
To sum up, through the cooperation setting of first connector, second connector, third connector and data line, first connector is connected to the one end of data line, and second connector and third connector are connected to the other end of data line, and this kind of communication wire rod strong adaptability, especially compatible strong under the condition of multiple type serial ports, be applicable to scenes such as production test, laboratory debugging and after-sale service, not only convenient to use, with low costs, but also the management of being convenient for.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a one drags two serial ports communication wire rod which characterized in that includes:
the first connector (1) is provided with a first pin (11), a second pin (12), a third pin (13), a fourth pin (14), a fifth pin (15), a sixth pin (16), a seventh pin (17), an eighth pin (18) and a ninth pin (19);
the second connector (2) is provided with a first second pin (21), a second pin (22), a third second pin (23), a fourth second pin (24), a fifth second pin (25), a sixth second pin (26), a seventh second pin (27), an eighth second pin (28) and a ninth second pin (29);
a third connector (3) provided with a first third pin (31), a second third pin (32), a third pin (33), a fourth third pin (34), a fifth third pin (35), a sixth third pin (36), a seventh third pin (37), an eighth third pin (38) and a ninth third pin (39); and
the data line (4) is provided with a first connecting line (41), a second connecting line (42), a third connecting line (43), a fourth connecting line (44), a fifth connecting line (45), a sixth connecting line (46), a seventh connecting line (47) and an eighth connecting line (48);
the first pin (11) is connected with the first third pin (31) through the first connecting line (41), the second first pin (12) is connected with the second third pin (32) through the second connecting line (42), the third first pin (13) is connected with the third pin (33) through the third connecting line (43), the fourth first pin (14) is connected with the fourth third pin (34) through the fourth connecting line (44), the fifth first pin (15) is connected with the fifth third pin (35) through the fifth connecting line (45), the sixth connecting line (46) is communicated with the third connecting line (43) and the second pin (22), the seventh connecting line (47) is communicated with the second connecting line (42) and the third pin (23), and the eighth connecting line (48) is communicated with the fifth connecting line (45) and the fifth second pin (25) ).
2. The one-driving-two serial port communication wire rod as claimed in claim 1, wherein the first connector (1) is a DB9 connector.
3. The one-drag-two serial port communication wire as claimed in claim 2, wherein the second connector (2) is a DB9 connector for identification TTL/RS 232.
4. The one-driving-two serial port communication wire rod as claimed in claim 3, wherein the third connector (3) is a DB9 connector marked with RS422/RS 485.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120041833.8U CN213905775U (en) | 2021-01-08 | 2021-01-08 | One-to-two serial port communication wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120041833.8U CN213905775U (en) | 2021-01-08 | 2021-01-08 | One-to-two serial port communication wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213905775U true CN213905775U (en) | 2021-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120041833.8U Active CN213905775U (en) | 2021-01-08 | 2021-01-08 | One-to-two serial port communication wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213905775U (en) |
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2021
- 2021-01-08 CN CN202120041833.8U patent/CN213905775U/en active Active
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