CN105204976B - It repeatedly retransmits single and performs communication system - Google Patents
It repeatedly retransmits single and performs communication system Download PDFInfo
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- CN105204976B CN105204976B CN201510622796.9A CN201510622796A CN105204976B CN 105204976 B CN105204976 B CN 105204976B CN 201510622796 A CN201510622796 A CN 201510622796A CN 105204976 B CN105204976 B CN 105204976B
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Abstract
The invention discloses a kind of singles of repeatedly retransmitting to perform communication system, including host computer and slave computer, the host computer can send instruction, the slave computer can receive instruction and return path signal is to the host computer, further include data monitoring unit, metering data cell and communication back propagation unit, the host computer is connect with the data monitoring unit one-way communication, the data monitoring unit is connect with the metering data cell one-way communication, the metering data cell is connect respectively with the slave computer and the communication back propagation unit one-way communication, the slave computer is connect with communication back propagation unit one-way communication, the communication back propagation unit is connect with the host computer one-way communication, the multiple repeating transmission single, which performs communication system, can avoid identical data from repeating to send, prevent from repeating the generation of running in vain.
Description
Technical field
The present invention relates to a kind of communication systems more particularly to a kind of single of repeatedly retransmitting to perform communication system.
Background technology
Host computer is frequently present of in communication process and sends instruction, loss of data when slave computer is properly received and returns is upper
Machine do not receive return retransmit again happen, slave computer is caused repeatedly to receive identical data, and then lead to invalid weight
Multiple running.
In view of the above shortcomings, the designer, is actively subject to research and innovation, held to found a kind of single of repeatedly retransmitting
Row communication system makes it with more the utility value in industry.
Invention content
Identical data can be avoided to repeat to send in order to solve the above technical problems, the object of the present invention is to provide one kind, prevented
Only the invalid multiple single of retransmitting for repeating running generation performs communication system.
A kind of single of repeatedly retransmitting proposed by the present invention performs communication system, described upper including host computer and slave computer
Machine can send instruction, and the slave computer can receive instruction and return path signal is to the host computer, it is characterised in that：It further includes
Data monitoring unit, metering data cell and communication back propagation unit, the host computer and the data monitoring unit one-way communication
Connection, the data monitoring unit connect with the metering data cell one-way communication, the metering data cell respectively with institute
Slave computer to be stated to connect with the communication back propagation unit one-way communication, the slave computer is connect with communication back propagation unit one-way communication,
The communication back propagation unit is connect with the host computer one-way communication.
As a further improvement on the present invention, further include alarm unit, the alarm unit respectively with the slave computer and
The data monitoring unit communication connection.
As a further improvement on the present invention, the alarm unit includes first and second controller and red, green warning lamp,
First controller communicates to connect with the slave computer and the green warning lamp is controlled to light, the second controller and institute
Data monitoring unit communication is stated to connect and the red warning lamp is controlled to light.
As a further improvement on the present invention, data dump unit, the data dump unit and the data are further included
Monitoring unit communicates to connect.
As a further improvement on the present invention, timer, the timer and the data dump unit communication are further included
Connect and control the running of the data dump unit.
As a further improvement on the present invention, RS485 telecommunication circuits, the host computer, slave computer, data monitoring are further included
Unit, metering data cell, communication back propagation unit, alarm unit, data dump unit and timer are electrically connected at described
In RS485 telecommunication circuits.
According to the above aspect of the present invention, the present invention has at least the following advantages：Host computer can be monitored by data monitoring unit to send out
The director data gone out, if the director data that host computer is sent out is new, data monitoring unit sends out the instruction of counting to metering
Data cell by metering data cell is added up and the data and sends the data to slave computer, sent out and held by slave computer automatically
Signal after slave computer has performed instruction, is issued communication back propagation unit, communication back propagation unit again will letter by the row new director data
Number host computer is returned to, so as to which the instruction that staff is made to know that he sends out has performed completion.
If the director data that host computer is sent out is retransmission data, instruction without counting is sent out to meter by data monitoring unit
Secondary data cell, metering data unit data is not cumulative and will send signals to communication back propagation unit, and communication back propagation unit again will
Signal return, so as to which the instruction that staff knows that he sends out be made to be repetitive instruction, makes staff stop in time to host computer
Repetitive instruction is sent out.So as to which identical data be avoided to repeat to send, prevent from repeating to operate in vain.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be implemented in accordance with the contents of the specification, below with presently preferred embodiments of the present invention and after attached drawing is coordinated to be described in detail such as.
Description of the drawings
Fig. 1 is that the present invention repeatedly retransmits the structural framing figure that single performs communication system；
Fig. 2 is the structural framing figure of alarming device in the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but be not limited to the scope of the present invention.
Embodiment：A kind of single of repeatedly retransmitting performs communication system, and including host computer and slave computer, the host computer can
Instruction is sent, the slave computer can receive instruction and return path signal is to the host computer, further include data monitoring unit, metering
Data cell and communication back propagation unit, the host computer are connect with the data monitoring unit one-way communication, the data monitoring
Unit is connect with the metering data cell one-way communication, the metering data cell respectively with the slave computer and the communication
Back propagation unit one-way communication connect, the slave computer with communication back propagation unit one-way communication connect, it is described communicate back propagation unit and
The host computer one-way communication connection.
The director data that host computer sends out can be monitored by data monitoring unit, if the director data that host computer is sent out is
New, then data monitoring unit sends out the instruction of counting and gives metering data cell, is added up automatically the number by metering data cell
According to and send the data to slave computer, sent out by slave computer and perform the new director data, will after slave computer has performed instruction
Signal issues communication back propagation unit, and communication back propagation unit is again by signal return to host computer, and so as to know staff, he sends out
The instruction gone out has performed completion.
If the director data that host computer is sent out is retransmission data, instruction without counting is sent out to meter by data monitoring unit
Secondary data cell, metering data unit data is not cumulative and will send signals to communication back propagation unit, and communication back propagation unit again will
Signal return, so as to which the instruction that staff knows that he sends out be made to be repetitive instruction, makes staff stop in time to host computer
Repetitive instruction is sent out.So as to which identical data be avoided to repeat to send, prevent from repeating to operate in vain.
Alarm unit is further included, the alarm unit connects respectively with the slave computer and the data monitoring unit communication
It connects.The instruction performance of their transmissions of staff can be reminded by alarm unit.
The alarm unit includes first and second controller and red, green warning lamp, first controller and the bottom
Machine communicates to connect and the green warning lamp is controlled to light, and the second controller is connect simultaneously with the data monitoring unit communication
The red warning lamp is controlled to light.If the instruction that staff sends out is new, after slave computer completes the instruction communication to
First controller controls green warning lamp to light by the first controller, and staff sees that green warning lamp is just known after lighting
Road he the instruction sent out performed completion；If the instruction that staff sends out is repetitive instruction, data monitoring unit is sent out
Signal controls red warning lamp to light, staff sees that red warning lamp is lighted to second controller by second controller
It is known that the instruction that he is sent out is repetitive instruction afterwards, so as to which staff be made to stop sending the repetitive instruction in time.
Data dump unit is further included, the data dump unit is connect with the data monitoring unit communication.Pass through number
The repetitive instruction that staff sends out can be disposed according to clearing cell.
Timer is further included, the timer connect with the data dump unit communication and controls the data dump list
The running of member.The time that data dump unit clears data every time can be set by timer.
Further include RS485 telecommunication circuits, the host computer, slave computer, data monitoring unit, metering data cell, communication
Back propagation unit, alarm unit, data dump unit and timer are electrically connected in the RS485 telecommunication circuits.Pass through
RS485 telecommunication circuits realize the communication between each equipment.
The above is only the preferred embodiment of the present invention, is not intended to restrict the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is several improvement and
Modification, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of single of repeatedly retransmitting performs communication system, including host computer and slave computer, the host computer can send instruction,
The slave computer can receive instruction and return path signal is to the host computer, which is characterized in that further include：
Data monitoring unit for monitoring the director data that host computer is sent out, and is new data or retransmission data according to instruction
Metering data cell is given to determine to send out the instruction of counting or instruction without counting；
Metering data cell receives the instruction that data monitoring unit is sent out, decides whether cumulative data, and send the data to
The slave computer or communication back propagation unit；
Back propagation unit is communicated, receives slave computer or signal that metering data cell is sent out, then by signal return to host computer；
The host computer is connect with the data monitoring unit one-way communication, the data monitoring unit and the metering data sheet
First one-way communication connection, the metering data cell connect respectively with the slave computer and the communication back propagation unit one-way communication
It connects, the slave computer is connect with communication back propagation unit one-way communication, the communication back propagation unit and the host computer one-way communication
Connection.
2. multiple repeating transmission single according to claim 1 performs communication system, it is characterised in that：Pass through data monitoring unit
The director data that host computer is sent out can be monitored, if the director data that host computer is sent out is new, data monitoring unit is sent out
Metering data cell is given in the instruction of counting, is added up automatically by metering data cell and the data and is sent the data to slave computer,
It is sent out by slave computer and performs the new director data, after slave computer has performed instruction, signal is issued into communication back propagation unit, led to
Back propagation unit is interrogated again by signal return to host computer, the instruction that host computer is sent out performs completion.
3. multiple repeating transmission single according to claim 2 performs communication system, it is characterised in that：If the finger that host computer is sent out
It is retransmission data to enable data, and metering data cell, metering data cell are given in the instruction sent out without counting by data monitoring unit
Data are not cumulative and will send signals to communication back propagation unit, and communication back propagation unit is again by signal return to host computer, host computer
The instruction sent out is repetitive instruction, and staff stops sending out for repetitive instruction in time.
4. multiple repeating transmission single according to claim 3 performs communication system, it is characterised in that：Further include alarm unit,
The alarm unit is connect respectively with the slave computer and the data monitoring unit communication.
5. multiple repeating transmission single according to claim 4 performs communication system, it is characterised in that：The alarm unit includes
First and second controller and red, green warning lamp, first controller communicate to connect with the slave computer and control the green
Warning lamp is lighted, and the second controller connect with the data monitoring unit communication and the red warning lamp is controlled to light.
6. multiple repeating transmission single according to claim 5 performs communication system, it is characterised in that：Further include data dump list
Member, the data dump unit are connect with the data monitoring unit communication.
7. multiple repeating transmission single according to claim 6 performs communication system, it is characterised in that：Timer is further included, institute
State the running that timer connect with the data dump unit communication and controls the data dump unit.
8. multiple repeating transmission single according to claim 7 performs communication system, it is characterised in that：Further include RS485 communications
Circuit, the host computer, slave computer, data monitoring unit, metering data cell, communication back propagation unit, alarm unit, data are clear
Except unit and timer are electrically connected in the RS485 telecommunication circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510622796.9A CN105204976B (en) | 2015-09-25 | 2015-09-25 | It repeatedly retransmits single and performs communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510622796.9A CN105204976B (en) | 2015-09-25 | 2015-09-25 | It repeatedly retransmits single and performs communication system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105204976A CN105204976A (en) | 2015-12-30 |
| CN105204976B true CN105204976B (en) | 2018-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510622796.9A Active CN105204976B (en) | 2015-09-25 | 2015-09-25 | It repeatedly retransmits single and performs communication system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6198981B1 (en) * | 1997-01-07 | 2001-03-06 | Tokyo Electron Limited | Control apparatus |
| CN104765335A (en) * | 2015-01-29 | 2015-07-08 | 深圳市创鑫激光股份有限公司 | Frequency pulse selector and selection method |
| CN205302271U (en) * | 2015-09-25 | 2016-06-08 | 苏州艾隆科技股份有限公司 | Send again single many times and carry out communication system |
-
2015
- 2015-09-25 CN CN201510622796.9A patent/CN105204976B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6198981B1 (en) * | 1997-01-07 | 2001-03-06 | Tokyo Electron Limited | Control apparatus |
| CN104765335A (en) * | 2015-01-29 | 2015-07-08 | 深圳市创鑫激光股份有限公司 | Frequency pulse selector and selection method |
| CN205302271U (en) * | 2015-09-25 | 2016-06-08 | 苏州艾隆科技股份有限公司 | Send again single many times and carry out communication system |
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| Publication number | Publication date |
|---|---|
| CN105204976A (en) | 2015-12-30 |
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