CN209497557U - A kind of remote-controlled multi-path serial communication circuit switching device - Google Patents
A kind of remote-controlled multi-path serial communication circuit switching device Download PDFInfo
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- CN209497557U CN209497557U CN201920121946.1U CN201920121946U CN209497557U CN 209497557 U CN209497557 U CN 209497557U CN 201920121946 U CN201920121946 U CN 201920121946U CN 209497557 U CN209497557 U CN 209497557U
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- microprocessor
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Abstract
The utility model relates to a kind of remote-controlled multi-path serial communication circuit switching devices, including microprocessor and the relay group being connect with microprocessor, power-switching circuit, the relay group, which is controlled by microprocessor and passes through RS422 interface, is separately connected Master Communication Equipment and from communication equipment, the communication line of the slave communication equipment is equipped with multichannel, it further include band lamp instruction key and 433MHz wireless module, the band lamp instruction key is connect with microprocessor, the 433MHz wireless module is connected to microprocessor by RS232 serial communication, the 433MHz wireless module of distal end also passes through RS232 serial communication and is connected with host computer.The utility model is in multiple progress serial communication line switchings between communication equipment and Master Communication Equipment, corresponding band lamp instruction key need to only be pressed or an instruction is sent by host computer configuration software, the switching between serial communication line can be realized, key indicator lamp and host computer configuration software synchronize display, convenience and high-efficiency, it is reliable and stable.
Description
Technical field
The utility model relates to field of communication technology more particularly to a kind of communication line switching devices, in particular to one kind
Remote-controlled multi-path serial communication circuit switching device.
Background technique
Currently, generalling use bus communication mode in serial communication line switching and realizing the logical of master and slave communication equipment
Letter.Master Communication Equipment sends data by bus broadcast, receives the address in bus data, with bus data from communication equipment
The slave communication equipment matched, response Master Communication Equipment request and carry out data communication therewith.Since bus communication mode is necessary for uniting
One communication protocol cannot achieve the data transmit-receive between different communication protocol, have different communication association from communication equipment multiple
It in the case where view, can not work normally, be not able to satisfy requirement.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of remote-controlled multi-path serial communication circuit switching dresses
It sets.
The utility model is achieved by the following technical solution, a kind of remote-controlled multi-path serial communication circuit switching dress
It sets, including microprocessor and the relay group connecting with microprocessor, power-switching circuit, the relay group is by microprocessor
It controls and passes through RS422 interface and be separately connected Master Communication Equipment and from communication equipment, the communication line from communication equipment
It further include band lamp instruction key and 433MHz wireless module equipped with multichannel, the band lamp instruction key is connect with microprocessor,
The 433MHz wireless module is connected to microprocessor by RS232 serial communication, and the 433MHz wireless module of distal end is also logical
It crosses RS232 serial communication and is connected with host computer.
After above scheme, multiple serial communication lines between communication equipment and Master Communication Equipment can be carried out and cut
It changes, realizes and connected in different communication protocol with serial communication line when baud rate and real time communication requirement.Band lamp indicates
Manual control signal is sent to microcontroller by key, and microcontroller judges that some is connect by key pressing by software logic operation
Lead to corresponding relay, connect the serial communication route of key reference numeral, to realize corresponding from communication equipment and main logical
Believe the communication of equipment.The wireless control signal that host computer is sent is converted to RS232 serial communication signal by 433MHz wireless module,
It is sent to microprocessor, microprocessor receives data information, parses by software protocol and executes control, connects corresponding relay
Device, the serial communication route that connection host computer requires, to realize the corresponding communication from communication equipment and Master Communication Equipment.
433MHz wireless module can realize the far distance control of serial communication circuit switching device, and the control of real-time response host computer refers to
It enables, executes relevant operation.
Preferably, the band lamp instruction key is connected to microprocessor by light-coupled isolation, microprocessor passes through three
Pole pipe drives key indicator lamp, shows the state of present communications route.This preferred embodiment is reliable and stable.
Preferably, the relay group is made of six two-way relays, by the control of microprocessor, realize not
With the serial communication line connection between communication equipment and Master Communication Equipment.This preferred embodiment can realize three road communication lines
Switching.
Preferably, the power-switching circuit receives the voltage etc. that external power supply inputs and is converted to each functional module
Grade is to ensure the steady operation of each modular unit.
The beneficial effects of the utility model are: microprocessor, which passes through band lamp, indicates that key, 433MHz wireless module receive hand
The wireless signal of dynamic control signal and host computer can control relay group to connect corresponding serial communication line, it can be achieved that main logical
Believe equipment and multiple effective switchings from communication equipment under different communication protocol, reaches reliable and stable connection effect.In addition,
Can by key indicator lamp and host computer configuration software can real-time display current serial communication line connection state information, simply
It is convenient, it is practical and efficient.It is remote-controlled for current many wired communication modes due to the advantage of 433MHz wireless module
Multi-path serial communication circuit switching device has apparent superiority: it is low in cost, without setting up cable, save manpower and material resources；
Construction period is short, can set up communication link rapidly；There is extensive adaptability, is hardly limited by geographical environmental condition；It sets up
Communication network there is preferably scalability；Transmission range is long, penetrate, diffracting power it is strong, be suitable for complex industrial and life
Environment.It is multiple when progress serial communication line switching, only to press corresponding band lamp between communication equipment and Master Communication Equipment
It indicates key or an instruction is sent by host computer configuration software, the switching between serial communication line, key can be realized
Indicator light and host computer configuration software synchronize display, and convenience and high-efficiency is reliable and stable, can effectively improve equipment work efficiency,
Realize the intelligent monitoring of serial communication route between master and slave communication equipment.
Detailed description of the invention
Fig. 1 is a kind of circuit theory schematic diagram of remote-controlled multi-path serial communication circuit switching device of the utility model；
It is as shown in the figure:
1, band lamp instruction key, 2,433MHz wireless module, 3, relay group, 4, microprocessor, 5, power-switching circuit,
6, Master Communication Equipment, 7, from communication equipment, 8, host computer.
Specific embodiment
For the technical characterstic that can clearly illustrate the utility model, with reference to the accompanying drawing, and pass through specific embodiment,
This programme is further described.
As shown in fig. 1, a kind of remote-controlled multi-path serial communication circuit switching device, including microprocessor 4 and with it is micro-
The relay group 3 of the connection of processor 4, power-switching circuit 5, the relay group 3 are controlled by microprocessor 4 and pass through RS422
Interface is separately connected Master Communication Equipment 6 and from communication equipment 7, described to be equipped with multichannel from the communication line of communication equipment 7, also wraps
Band lamp instruction key 1 and 433MHz wireless module 2 are included, the band lamp instruction key 1 is connect with microprocessor 4, described
433MHz wireless module 2 is connected to microprocessor 4 by RS232 serial communication, and the 433MHz wireless module 2 of distal end also passes through
RS232 serial communication is connected with host computer 8.
In the present embodiment, the band lamp instruction key 1 is connected to microprocessor 4, microprocessor 4 by light-coupled isolation
Key indicator lamp is driven by triode, shows the state of present communications route, the relay group 3 is by six two-way relays
Device composition realizes the different serial communication lines between communication equipment 7 and Master Communication Equipment 6 by the control of microprocessor 4
Connection, the power-switching circuit 5 receive external power supply and input and be converted to the voltage class of each functional module to ensure respectively
The steady operation of modular unit.
Finally, the utility model is without description also it should be noted that the example above and explanation are also not limited to above-described embodiment
Technical characteristic can by or using the prior art realize, details are not described herein；Above embodiments and attached drawing are merely to illustrate
The technical solution of the utility model be not be limitations of the present invention, referring to preferred embodiment to the utility model into
Go detailed description, those skilled in the art should understand that, those skilled in the art are practical new at this
The variations, modifications, additions or substitutions made in the essential scope of type also should belong to this without departure from the objective of the utility model
The claims of utility model.
Claims (4)
1. a kind of remote-controlled multi-path serial communication circuit switching device, which is characterized in that including microprocessor (4) and with micro- place
Relay group (3), the power-switching circuit (5) of device (4) connection are managed, the relay group (3) is controlled and led to by microprocessor (4)
It crosses RS422 interface and is separately connected Master Communication Equipment (6) and from communication equipment (7), the communication line from communication equipment (7)
It further include band lamp instruction key (1) and 433MHz wireless module (2) equipped with multichannel, the band lamp indicates key (1) and micro- place
Device (4) connection is managed, the 433MHz wireless module (2) is connected to microprocessor (4) by RS232 serial communication, distal end
433MHz wireless module (2) is also connected with host computer (8) by RS232 serial communication.
2. the remote-controlled multi-path serial communication circuit switching device of one kind according to claim 1, which is characterized in that described
Band lamp instruction key (1) be connected to microprocessor (4) by light-coupled isolation, microprocessor (4) drives key by triode
Indicator light shows the state of present communications route.
3. the remote-controlled multi-path serial communication circuit switching device of one kind according to claim 1, which is characterized in that described
Relay group (3) be made of six two-way relays, by the control of microprocessor (4), realize different from communication equipment (7)
Serial communication line between Master Communication Equipment (6) is connect.
4. the remote-controlled multi-path serial communication circuit switching device of one kind according to claim 1, which is characterized in that described
Power-switching circuit (5) receive external power supply and input and be converted to the voltage class of each functional module to ensure each modular unit
Steady operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920121946.1U CN209497557U (en) | 2019-01-24 | 2019-01-24 | A kind of remote-controlled multi-path serial communication circuit switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920121946.1U CN209497557U (en) | 2019-01-24 | 2019-01-24 | A kind of remote-controlled multi-path serial communication circuit switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209497557U true CN209497557U (en) | 2019-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920121946.1U Active CN209497557U (en) | 2019-01-24 | 2019-01-24 | A kind of remote-controlled multi-path serial communication circuit switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209497557U (en) |
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2019
- 2019-01-24 CN CN201920121946.1U patent/CN209497557U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xue Yanfei Inventor after: Chen Jin Inventor before: Xue Yanfei Inventor before: Zhao Huijie Inventor before: Yang Bin Inventor before: Lu Yuliang Inventor before: Zhang Xiaolong Inventor before: Feng Chaoying Inventor before: Chen Jin |
|
| CB03 | Change of inventor or designer information |