CN206294203U - A kind of serial ports expansion device for supporting various protocols to transmit - Google Patents
A kind of serial ports expansion device for supporting various protocols to transmit Download PDFInfo
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- CN206294203U CN206294203U CN201621311834.5U CN201621311834U CN206294203U CN 206294203 U CN206294203 U CN 206294203U CN 201621311834 U CN201621311834 U CN 201621311834U CN 206294203 U CN206294203 U CN 206294203U
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Abstract
The utility model provides a kind of serial ports expansion device for supporting various protocols, described device by single-chip microcomputer by single serial ports expansion for multiple from serial ports, it is accessible from serial equipment quantity on main serial equipment so as to increase, simultaneously because single-chip microcomputer can be with compatible different transmission rate and communication protocol, so as to enhance the compatibility and practicality of expanding unit.Described device includes：Main serial port unit, single-chip microcomputer and from serial port unit.
Description
Technical field
The utility model is related to field of data transmission, and more particularly, to a kind of string for supporting various protocols to transmit
Mouth expanding unit.
Background technology
Current Internet of Things market radio communication is very chaotic, topmost communication mode be ZigBee protocol Zigbee, bluetooth,
WIFI, 433MHZ 2.4G, if will compatible radio communication most of on the market, it is necessary to a kind of method is representative mould
Block is integrated into a kind of equipment, for example home gateway.It is serial communication that market upper module has the interface for representing very much, but gateway one
Individual serial ports is at all not enough, so lacking a kind of simple extension, supports different baud rates, the side of the serial ports expansion of communication protocol
Method.
The content of the invention
In order to solve the above problems, there is provided a kind of serial ports expansion device for supporting various protocols to transmit, including：
Main serial port unit, is connected with main serial equipment and sends the control command of main serial equipment to single-chip microcomputer, and
For receiving the data of single-chip microcomputer transmission and sending main serial equipment to；
Single-chip microcomputer, for the control command of the main serial equipment received from the main serial port unit to be carried out into protocol conversion,
So as to control command to be converted to the control command of different agreement type and will be controlled according to the protocol type of control command to order
Order is transmitted to accordingly from serial port unit, and the data from serial equipment that will be received from serial port unit carry out protocol conversion, from
And convert data to same form and be sent to main serial port unit；And
Multiple from serial port unit, each from serial port unit with corresponding from serial equipment connection, and for will be from list
The control command that piece machine is received be sent to it is corresponding from serial equipment and the data is activation that will be sent from serial equipment from multiple to
Single-chip microcomputer.
Preferably, it is the multiple from serial port unit be 4 from serial port unit.
Preferably, connected using different agreement type by 4 different serial port units 4 of the single-chip microcomputer are set from serial ports
Standby, the single-chip microcomputer and 4 are from the mutual transmission that data are carried out between serial equipment, and the single-chip microcomputer passes through different agreement pair
4 are controlled from serial equipment.
Preferably, there are 4 different buffer areas in the single-chip microcomputer inside, and 4 different buffer areas correspond to 4 respectively
It is individual from serial equipment.
Preferably, there are 4 different data processing modules, 4 different data processings in the single-chip microcomputer inside
Module corresponds to 4 from serial port unit respectively.
Preferably, the data processing module can be changed to various protocols.
Preferably, it is the multiple to be physically separated between serial port unit, set not from serial equipment with for different
Same baud rate.
The utility model goes out multiple from serial ports by single-chip microcomputer extension, thus increase on main serial equipment it is accessible from
Serial equipment quantity, simultaneously because single-chip microcomputer can make the dress after serial ports expansion with compatible different transmission rate and communication protocol
Compatibility and the practicality enhancing put.
Brief description of the drawings
By reference to the following drawings, illustrative embodiments of the present utility model can be more fully understood by：
Structural representations of the Fig. 1 according to the serial ports expansion device of the utility model preferred embodiment.
Specific embodiment
With reference now to accompanying drawing, illustrative embodiments of the present utility model are introduced, however, the utility model can use many
Different forms is implemented, and is not limited to embodiment described herein, there is provided these embodiments are in order at large and complete
The utility model is disclosed entirely, and scope of the present utility model is fully passed on to person of ordinary skill in the field.For
Term in the illustrative embodiments being illustrated in the accompanying drawings is not to restriction of the present utility model.In the accompanying drawings, identical
Cells/elements use identical reference.
Unless otherwise indicated, term (including scientific and technical terminology) used herein has to person of ordinary skill in the field
It is common to understand implication.Further it will be understood that the term limited with usually used dictionary, is appreciated that and it
The linguistic context of association area has consistent implication, and is not construed as Utopian or excessively formal meaning.
Fig. 1 is the structural representation of the serial ports expansion device according to the utility model preferred embodiment.As shown in figure 1, branch
Hold various protocols transmitting serial port and expand rotary device 100 mainly by main serial port unit 10, single-chip microcomputer 11 and multiple from serial port unit group
Into.Main serial equipment is connected by main serial port unit 10 with single-chip microcomputer 11, to realize between main serial equipment and single-chip microcomputer 11
Data communication, it is main to include for the control command of main serial equipment being sent to single-chip microcomputer 11, meanwhile, connect by main serial port unit 10
Receive the data message sent from single-chip microcomputer 11.
Preferably, single-chip microcomputer 11 is connected to main serial equipment and multiple between serial equipment, for carrying out data protocol
Conversion, unification and complete main serial equipment and from the data communication between serial equipment.When row data communication is entered, single-chip microcomputer
The control command of the main serial equipment received from the main serial port unit 10 is carried out protocol conversion by 11, so as to control command be turned
It is changed to the control command of different agreement type and control command is transmitted to using corresponding according to the protocol type of control command
Communication protocol from serial port unit；At the same time, single-chip microcomputer 11 can also receive the difference sent from serial port unit from multiple
The data of the different agreement type sent from serial equipment, and the data of the different agreement type are changed, be converted to
The protocol type that main serial equipment can be used, is last transmitted to main serial port unit 10, to reach the purpose of data communication.Example
Such as, the agreement that main serial equipment is used be 645,4 agreement respectively CJ/T-188 used from serial equipment of DLT,
Modbus, GW376.2 and nonstandard self-defined, when main serial equipment passes on a control command, by control command by master
Serial port unit 10 is sent to single-chip microcomputer 11, and control command is sent to each from string by single-chip microcomputer 11 after control command is received
In the corresponding data processing module of jaws equipment, by control command from the protocol conversions of DLT 645 for this from serial port unit it is corresponding from
Agreement CJ/T-188, Modbus that serial equipment is used, GW376.2 and nonstandard self-defined, and by corresponding from serial ports list
Be sent to for control command after protocol conversion corresponding from serial equipment by unit.
Preferably, it is multiple from serial port unit the utility model include from serial port unit 121, from serial port unit 122, from
Serial port unit 123 and from serial port unit 124, each from serial port unit carried out with one actual operation from serial equipment phase
Even.From serial equipment by data by being sent to single-chip microcomputer from serial port unit, and sent by receiving single-chip microcomputer from serial port unit
The control command assigned of main serial equipment.Preferably, described is to separate from physical connection between serial port unit, therefore often
It is individual from serial port unit in connection from after serial equipment, when carrying out data transmission, can be according to from serial equipment or reality
Need to set different baud rates.
Preferably, 4 different buffer areas are also included in single-chip microcomputer 11, correspond to respectively 4 it is different from serial equipment, when
After from the data is activation of serial equipment to single-chip microcomputer 11, deposit in respective buffer area etc. it is pending, so as to avoiding because
Main serial equipment just hurries and loses the consequence of data.
The utility model is described by reference to a small amount of implementation method.However, it is known in those skilled in the art,
As subsidiary Patent right requirement is limited, except the utility model other embodiments disclosed above equally fall
In the range of the utility model.
Normally, all terms for using in the claims are all solved according to them in the usual implication of technical field
Release, unless clearly defined in addition wherein.It is all of to be all opened ground with reference to " one/described/be somebody's turn to do [device, component etc.] "
At least one of described device, component etc. example is construed to, unless otherwise expressly specified.Any method disclosed herein
Step need not all be run with disclosed accurate order, unless explicitly stated otherwise.
Claims (7)
1. it is a kind of support various protocols transmit serial ports expansion device, including:
Main serial port unit, is connected with main serial equipment and sends the control command of main serial equipment to single-chip microcomputer, and be used for
Receive the data of single-chip microcomputer transmission and send main serial equipment to；
Single-chip microcomputer, for the control command of the main serial equipment received from the main serial port unit to be carried out into protocol conversion, so that
Control command is converted into the control command of different agreement type and according to the protocol type of control command is turned control command
Issue corresponding from serial port unit, and the data from serial equipment that will be received from serial port unit carry out protocol conversion, so that will
Data are converted to same form and are sent to main serial port unit；And
Multiple from serial port unit, each from serial port unit with corresponding from serial equipment connection, and for will be from single-chip microcomputer
The control command of reception be sent to it is corresponding from serial equipment and the data is activation that will be sent from serial equipment to single-chip microcomputer.
2. device according to claim 1, it is the multiple from serial port unit be 4 from serial port unit.
3. device according to claim 1, it is characterised in that the single-chip microcomputer is connected by 4 different serial port units to be made
With 4 of different agreement type from serial equipment, the single-chip microcomputer and 4 are from the mutual biography that data are carried out between serial equipment
It is defeated, and the single-chip microcomputer is controlled to 4 by different agreement from serial equipment.
4. device according to claim 1, it is characterised in that the single-chip microcomputer inside has 4 different buffer areas, institute
State 4 different buffer areas and correspond to 4 from serial equipment respectively.
5. device according to claim 1, it is characterised in that the single-chip microcomputer inside has 4 different data processings
Module, 4 different data processing modules correspond to 4 from serial port unit respectively.
6. device according to claim 5, it is characterised in that the data processing module can be turned to various protocols
Change.
7. device according to claim 1, it is characterised in that the multiple to be physically separated between serial port unit, with
Different baud rates are set from serial equipment for different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621311834.5U CN206294203U (en) | 2016-12-01 | 2016-12-01 | A kind of serial ports expansion device for supporting various protocols to transmit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621311834.5U CN206294203U (en) | 2016-12-01 | 2016-12-01 | A kind of serial ports expansion device for supporting various protocols to transmit |
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| CN206294203U true CN206294203U (en) | 2017-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621311834.5U Active CN206294203U (en) | 2016-12-01 | 2016-12-01 | A kind of serial ports expansion device for supporting various protocols to transmit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108345558A (en) * | 2017-12-29 | 2018-07-31 | 河南平高电气股份有限公司 | It is a kind of that the RS485 collection of multi-protocols is supported to match unit |
| CN109474798A (en) * | 2018-12-28 | 2019-03-15 | 安徽三人信息科技有限公司 | A kind of serial ports conversion HDMI display device |
| CN110666406A (en) * | 2019-10-19 | 2020-01-10 | 北京航空航天大学 | Superaudio square wave pulse polarity-changing welding control system and control method thereof |
| CN113886301A (en) * | 2021-10-19 | 2022-01-04 | 东莞市艾特姆射频科技有限公司 | Multi-serial port multi-protocol RFID data compatible conversion method |
| CN114647597A (en) * | 2022-03-22 | 2022-06-21 | 杭州迪普科技股份有限公司 | Serial port conversion method and device of CPU |
-
2016
- 2016-12-01 CN CN201621311834.5U patent/CN206294203U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108345558A (en) * | 2017-12-29 | 2018-07-31 | 河南平高电气股份有限公司 | It is a kind of that the RS485 collection of multi-protocols is supported to match unit |
| CN108345558B (en) * | 2017-12-29 | 2020-02-21 | 河南平高电气股份有限公司 | RS485 centralized configuration unit supporting multiple protocols |
| CN109474798A (en) * | 2018-12-28 | 2019-03-15 | 安徽三人信息科技有限公司 | A kind of serial ports conversion HDMI display device |
| CN110666406A (en) * | 2019-10-19 | 2020-01-10 | 北京航空航天大学 | Superaudio square wave pulse polarity-changing welding control system and control method thereof |
| CN113886301A (en) * | 2021-10-19 | 2022-01-04 | 东莞市艾特姆射频科技有限公司 | Multi-serial port multi-protocol RFID data compatible conversion method |
| CN114647597A (en) * | 2022-03-22 | 2022-06-21 | 杭州迪普科技股份有限公司 | Serial port conversion method and device of CPU |
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