CN212256300U - Convenient multi-serial port card - Google Patents
Convenient multi-serial port card Download PDFInfo
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- CN212256300U CN212256300U CN202021370593.8U CN202021370593U CN212256300U CN 212256300 U CN212256300 U CN 212256300U CN 202021370593 U CN202021370593 U CN 202021370593U CN 212256300 U CN212256300 U CN 212256300U
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- 230000002093 peripheral effect Effects 0.000 description 4
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Abstract
The utility model discloses a convenient multi-serial port card, which comprises a main card and a terminal board electrically connected with the main card; the terminal board is provided with an external serial port and a standard serial port electrical interface setting component; the main card realizes the multi-path serial port expansion of the equipment and is provided with a serial port level conversion chip; the setting signal of the serial port electrical interface standard of the serial port level conversion chip is connected to the setting component of the serial port electrical interface standard; after the setting component of the serial port electrical interface standard sets the serial port electrical interface standard according to the requirement, the state of the set signal is fed back to the serial port level conversion chip, the serial port level conversion chip sets the expanded serial port signal into the required serial port electrical interface standard according to the state of the set signal, and the serial port signal is output to the corresponding external serial port. The utility model discloses a serial ports electrical interface standard on the terminal block sets up the part, need not dismantle equipment such as many serial ports card and computer, can realize setting and switching between the serial ports electrical interface standard.
Description
Technical Field
The utility model relates to a serial port communication technical field, especially a convenient many serial ports card.
Background
After a plurality of serial port expansion functions of equipment are realized by buses such as PCI or PCIe and the like through the existing multi-serial port card, the expanded serial port can be usually set and switched among RS232, RS422 and RS485 electrical interface standards, but the function is generally realized on the serial port card, so that the equipment such as the multi-serial port card and the computer is required to be detached when the serial port electrical interface standards are set and switched, and the actual operation is often inconvenient. The conventional multi-serial-port card is single in external connector, and cannot be realized when the peripheral needs to supply power and adopts a lead to directly connect a serial port.
Disclosure of Invention
The utility model aims to provide a: a multi-serial port card is provided which does not require disassembly when setting and switching the standard of the serial port electrical interface.
The utility model adopts the technical scheme as follows:
a convenient multi-serial port card comprises a main card and a terminal board electrically connected with the main card; the terminal board is provided with an external serial port and a standard serial port electrical interface setting component; the main card realizes the multi-path serial port expansion of the equipment and is provided with a serial port level conversion chip; the setting signal of the serial port electrical interface standard of the serial port level conversion chip is connected to the setting component of the serial port electrical interface standard; after the setting component of the serial port electrical interface standard sets the serial port electrical interface standard according to the requirement, the state of the set signal is fed back to the serial port level conversion chip, the serial port level conversion chip sets the expanded serial port signal into the required serial port electrical interface standard according to the state of the set signal, and the serial port signal is output to the corresponding external serial port.
In some embodiments, the serial electrical interface standard setting component is a jumper cap and/or a dial switch.
In some embodiments, the main card and the terminal board are respectively provided with a female connector; the main card is connected with the hole type connector on the terminal board through a cable with pin type connectors arranged at two ends.
In some embodiments, the female and male connectors are provided with a locking mechanism.
In some embodiments, the external serial port comprises a plurality of serial terminals and/or a standard serial port connector.
In some embodiments, the standard serial port connector is a standard D-SUB9 serial port connector.
In some embodiments, the serial port electrical interface standard of the external serial port includes RS232, RS422, and RS 485.
In some embodiments, an external auxiliary power supply terminal is provided on the terminal block, and the auxiliary power supply is transmitted from the main card to the terminal block.
In some embodiments, the voltage of the external auxiliary power supply connection terminal is 3.3V.
In some embodiments, a power indicator lamp is provided on the terminal board.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses a serial ports electrical interface standard on the terminal block sets up the part, need not dismantle equipment such as many serial ports card and computer, can realize setting up and switching between RS232, RS422 and the RS485 serial ports electrical interface standard, is particularly suitable for secret requirement height, prohibits the application scenario of dismantling equipment such as computer.
2. The utility model discloses main card and terminal block are connected through the connector that has locking mechanism, can realize the reliable connection of main card and terminal block, ensure the stable transmission of signal.
3. The utility model discloses an external serial ports provides serial ports binding post and/or standard serial ports connector that is used for the wire to connect, makes things convenient for the peripheral hardware to use.
4. The utility model provides a 3.3V is external supplementary power supply binding post, further improves the convenience in use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a multi-serial-port card according to an embodiment of the present invention.
The labels in the figure are: the device comprises a main card 1, a cable 2, a terminal board 3, a hole type connector 4, a serial port electrical interface standard setting component 5, an external auxiliary power supply terminal 6, a power indicator 7, a serial port terminal 8, a standard serial port connector 9 and a pin type connector 10.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
The features and properties of the present invention are described in further detail below with reference to examples.
As shown in fig. 1, a convenient multi-serial port card includes a main card 1 and a terminal block 3 electrically connected to the main card 1; the terminal board 3 is provided with a standard external serial port and a standard serial port electrical interface setting component 5; the main card 1 can be expanded to 8 serial ports through a PCI or PCIe bus of the equipment and is provided with a serial port level conversion chip which can be randomly arranged among RS232, RS422 and RS485 serial port electrical standards; the setting signal of the serial port electrical interface standard of the serial port level conversion chip is connected to a setting component 5 of the serial port electrical interface standard; after the setting component 5 of the serial port electrical interface standard sets the serial port electrical interface standard according to the requirement, the state of the set signal is fed back to the serial port level conversion chip, the serial port level conversion chip sets the expanded serial port signal into the required serial port electrical interface standard according to the state of the set signal, and the serial port signal is output to the corresponding external serial port. At this time, the serial port electrical interface standard of the external serial port comprises RS232, RS422 and RS 485. That is to say, the utility model discloses what realize is that expand out multichannel serial ports for equipment to can realize carrying out convenient setting and switching between RS232, RS422 and the RS485 serial ports electrical interface standard on terminal block 3.
In some embodiments, the serial port electrical interface standard setting component 5 is a jumper cap and/or a dial switch, and the setting and switching among the RS232, RS422, and RS485 serial port electrical interface standards can be realized through the serial port electrical interface standard setting component 5 without dismounting devices such as a multi-serial port card and a computer.
In some embodiments, said main card 1 and terminal board 3 are respectively provided with a female connector 4; the main card 1 and the female connector 4 of the terminal block 3 are connected by a cable 2 provided with male connectors 10 at both ends. It should be noted that the main card 1 and the terminal block 3 may be provided with male connectors 10, and the cables 2 are provided with female connectors 4 at both ends. In addition, the female connector 4 and the male connector 10 are provided with locking mechanisms to achieve reliable connection of the main card 1 and the terminal block 3, ensuring stable signal transmission.
In some embodiments, the external serial port comprises a plurality of serial terminals 8 and/or a standard serial port connector 9, such as a standard D-SUB9 serial port connector. That is to say, when the external serial port is used, the external serial port can be connected by using a conducting wire or a standard serial port cable, so that the use of external equipment is facilitated.
In some embodiments, an external auxiliary power supply terminal 6 is provided on the terminal board 3, and the auxiliary power supply is transmitted from the main card 1 to the terminal board 3. Generally, the voltage of the external auxiliary power supply terminal 6 is 3.3V. The external auxiliary power supply terminal block 6 on the terminal block 3 can facilitate direct electricity taking from the multi-serial port card by low-power-consumption peripherals, and can save the configuration of a special power supply for the peripherals. Preferably, a power indicator lamp 7 is provided on the terminal board 3.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (11)
1. A convenient multi-serial port card is characterized by comprising a main card (1) and a terminal board (3) electrically connected with the main card (1); the terminal board (3) is provided with a standard setting component (5) for an external serial port and a serial port electrical interface; the main card (1) realizes the multi-path serial port expansion of the equipment and is provided with a serial port level conversion chip; the setting signal of the serial port electrical interface standard of the serial port level conversion chip is connected to a setting component (5) of the serial port electrical interface standard; after the serial port electrical interface standard setting component (5) sets the serial port electrical interface standard according to the requirement, the state of the set signal is fed back to the serial port level conversion chip, the serial port level conversion chip sets the expanded serial port signal into the required serial port electrical interface standard according to the state of the set signal, and the serial port signal is output to the corresponding external serial port.
2. A multiple serial port card according to claim 1, wherein the serial electrical interface standard setting means (5) is a jumper cap and/or a dial switch.
3. Multiple-serial-port card according to claim 1, characterized in that said main card (1) and terminal board (3) are respectively provided with a female connector (4); the main card (1) is connected with the hole type connector (4) on the terminal board (3) through a cable (2) with pin type connectors (10) arranged at two ends.
4. A multiple serial port card according to claim 3, wherein said female (4) and male (10) connectors are provided with locking means.
5. A multiple-serial-port card according to claim 1, characterized in that said external serial port comprises a plurality of serial-port terminals (8) and/or a standard serial-port connector (9).
6. A multiple-serial-port card according to claim 5, characterized in that said standard serial-port connector (9) is a standard D-SUB9 serial-port connector.
7. The multi-serial-port card of claim 1, wherein the serial-port electrical interface standard of the external serial port comprises RS232, RS422 and RS 485.
8. A multiple-serial-port card according to any one of claims 1 to 7, wherein an external auxiliary power supply terminal (6) is provided on the terminal block (3), the auxiliary power supply being transmitted from the main card (1) to the terminal block (3).
9. Multiple serial port card according to claim 8, characterised in that the voltage of the external auxiliary supply connection terminals (6) is 3.3V.
10. Multiple serial port card according to claim 9, characterized in that a power indicator light (7) is provided on said terminal board (3).
11. Multiple serial port card according to claim 8, characterized in that a power indicator light (7) is provided on said terminal board (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021370593.8U CN212256300U (en) | 2020-07-13 | 2020-07-13 | Convenient multi-serial port card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021370593.8U CN212256300U (en) | 2020-07-13 | 2020-07-13 | Convenient multi-serial port card |
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| Publication Number | Publication Date |
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| CN212256300U true CN212256300U (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021370593.8U Active CN212256300U (en) | 2020-07-13 | 2020-07-13 | Convenient multi-serial port card |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112181743A (en) * | 2020-09-24 | 2021-01-05 | 中车青岛四方车辆研究所有限公司 | Accompanying and measuring device of serial port equipment |
-
2020
- 2020-07-13 CN CN202021370593.8U patent/CN212256300U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112181743A (en) * | 2020-09-24 | 2021-01-05 | 中车青岛四方车辆研究所有限公司 | Accompanying and measuring device of serial port equipment |
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