CN110224716A - A method of the RS422 communications under nuclear radiation environment - Google Patents
A method of the RS422 communications under nuclear radiation environment Download PDFInfo
- Publication number
- CN110224716A CN110224716A CN201910552700.4A CN201910552700A CN110224716A CN 110224716 A CN110224716 A CN 110224716A CN 201910552700 A CN201910552700 A CN 201910552700A CN 110224716 A CN110224716 A CN 110224716A
- Authority
- CN
- China
- Prior art keywords
- radiation
- communication chip
- relay
- communication
- chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measurement Of Radiation (AREA)
Abstract
The present invention relates to a kind of method of RS422 communications under nuclear radiation environment, anti-radiation RS422 communication module involved in this method is made of processor, the first relay, the second relay, third relay, the first RS422 communication chip, the 2nd RS422 communication chip, the 3rd RS422 communication chip, ground terminal, power end, data receiver, data sending terminal, transmission transmitting terminal and transmission receiving end.When in use, anti-radiation RS422 communication module is placed in radiation field, connects each port as requested, it is ensured that connection is normal, is done experiment using 50Rad (Si)/s dosage rate, carries out communication test.Experiment results proved: the anti-radiation RS422 communication module can work normally under nuclear radiation environment, meet design requirement, can be applied to the remote data signal transmission under nuclear radiation radiation environment.
Description
Technical field
The present invention relates to the communication transmission technology fields under radiation environment, using one kind under nuclear radiation environment remote transmission
The anti-radiation RS422 communication module of information.
Background technique
In nuclear power station, the various information of core part (containment in, pressure vessel etc.) are extremely important, and needing will be each
The collected information remote of class sensor is transferred to master control room or storage is read in the region of not nuclear radiation, but due to the ring
There is the effect of nuclear radiation under border, tremendous influence can be generated to semiconductor devices, it is wrong or even permanent to will lead to device generation
Damage.Current RS422 communication chip can only work very short a period of time in nuclear radiation environment, will disabler.At present
It is badly in need of the solution of a set of remote transmission data information.
Based on foregoing description, the present invention is existing in nuclear radiation environment medium-long range data information transfer in order to solve the problems, such as,
A kind of method of remote transmission data-signal under radiation environment is provided, anti-radiation RS422 communication module has been used, it can be
It works under nuclear radiation environment, guarantees data normal transmission.
Summary of the invention
Present invention aims at provide a kind of method of RS422 communications under nuclear radiation environment, involved in this method
Anti-radiation RS422 communication module be to be led to by processor, the first relay, the second relay, third relay, the first RS422
Believe that chip, the 2nd RS422 communication chip, the 3rd RS422 communication chip, ground terminal, power end, data receiver, data are sent
End, transmission transmitting terminal and transmission receiving end composition.When in use, anti-radiation RS422 communication module is placed in radiation field, is pressed
As requested connects each port, it is ensured that connection is normal, is done experiment using 50Rad (Si)/s dosage rate, carries out communication test.
Experiment results proved: the anti-radiation RS422 communication module can work normally under nuclear radiation environment, meet design requirement, energy
The remote data signal transmission being enough applied under nuclear radiation radiation environment.
A kind of method of RS422 communications under nuclear radiation environment of the present invention, anti-spoke involved in this method
Penetrating RS422 communication module is by processor (1), the first relay (2), the second relay (3), third relay (4), first
RS422 communication chip (5), the 2nd RS422 communication chip (6), the 3rd RS422 communication chip (7), ground terminal (8), power end
(9), data receiver (10), data sending terminal (11), transmission transmitting terminal (12) and transmission receiving end (13) composition, processor
(1) respectively with the first relay (2), the second relay (3), third relay (4), the first RS422 communication chip (5), second
RS422 communication chip (6), the 3rd RS422 communication chip (7), ground terminal (8), power end (9) connection, the first relay (2) with
The connection of first RS422 communication chip (5), the second relay (3) are connect with the 2nd RS422 communication chip (6), third relay
(4) connect with the 3rd RS422 communication chip (7), ground terminal (8) respectively with processor (1), the first RS422 communication chip (5),
2nd RS422 communication chip (6) and the connection of the 3rd RS422 communication chip (7), the first RS422 communication chip (5), the 2nd RS422
Communication chip (6), the 3rd RS422 communication chip (7) are sent with data receiver (10), data sending terminal (11), transmission respectively
(12) and transmission receiving end (13) connection are held, concrete operations follow these steps to carry out:
A, anti-radiation RS422 communication module is placed in radiation field, when choosing 50Rad (Si)/s dosage rate as test
Radiation dose rate；
B, corresponding port is connected as requested, and power end (9) connects 5V DC power supply, and ground terminal (8) ground connection will be anti-radiation
RS422 communication module is connected with STM32 single-chip microcontroller, and STM32 single-chip microcontroller is using lead brick shield to avoid radiation for single-chip microcontroller
It influencing, STM32 single-chip microcontroller is connect with the data receiver (10) of anti-radiation RS422 communication module, data sending terminal (11), and
The two is altogether；
C, use long cable as data line, 100 meters of length, be separately connected the biography of anti-radiation RS422 communication module
Defeated transmitting terminal (12) and transmission receiving end (13)；Long cable other end connects laptop by RS422 communication chip；
D, laptop by RS422 sending and receiving module send one piece of data to anti-radiation RS422 communication module, it is anti-radiation
RS422 communication module receives signal, then transfers data to STM32 single-chip microcontroller, and STM32 single-chip microcontroller receives signal, and addition is replied
Printed words, then by data backtracking to laptop, if laptop can be normally received the data, illustrate anti-spoke
It is working properly to penetrate RS422 communication module, it is normal to send a data transmission laptop each second.
A kind of method of RS422 communications under nuclear radiation environment of the present invention, device used in this method
Part is all tested by total dose irradiation, filters out the strong device of radiation resistance.Different devices, radiation resistance is also not to the utmost
It is identical, but currently without relevant radiation resistance information, need screening of voluntarily doing experiment.Screening test uses Chinese science
Xinjiang physiochemical techniques research institute, institute 60Co- gamma emitter simulates the radiation environment in nuclear power station, by test device using different
Operating mode is placed on work in radiation field, its working condition is detected, to obtain the radiation resistance under different working condition.Through
Total dose irradiation screening test is crossed, the device that anti-radiation RS422 communication module uses: the CPLD xc2c256 of Xilinx is filtered out
As processor (1), MAX232 is as the first RS422 communication chip (5), the 2nd RS422 communication chip (6) and the 3rd RS422
Communication chip (7)；The TX2-5V relay of Panasonic Corporation is as the first relay (2), the second relay (3), third relay
(4)；
Through retrieving, " a method of with radiation environment test testing temperature information ", number of patent application:
201910309397.5, do radiation hardening using the thought of device backup, but every device all with power supply chip phase
Even, in this way, idle device is equally to be in power-up state, it is unfavorable for its working long hours under radiation environment.This hair
A kind of method of bright RS422 communications under nuclear radiation environment, this method is in number of patent application:
It is improved on the basis of 201910309397.5, the first RS422 communication chip (5), the 2nd RS422 communication chip (6),
The power supply of three RS422 communication chips (7) is provided by processor (1), and by the first relay (2), the second relay (3), the
Three relays (4) control the first RS422 communication chip (5), the 2nd RS422 communication chip (6), the 3rd RS422 communication chip
(7) on/off is accomplished really to be isolated.Using processor (1), the first relay (2), the second relay (3), the are controlled
The on-off of three relays (4) is logical to accomplish the first RS422 communication chip (5), the 2nd RS422 communication chip (6) and the 3rd RS422
Believe that (7) three communication chips of chip work alternatively, and guarantee that idle device is in best annealed condition, to guarantee system
Radiation resistance maximizes.
Although the use of integral module, and common RS422 communication chip make present invention uses multiple communication chips
Used time is the same, does not need additional connection and control.
It is wrapped up outside anti-radiation RS422 communication module using radiation shielding material, is wrapped up using sheet lead, it is anti-radiation to increase its
Performance.
Detailed description of the invention
Fig. 1 is anti-radiation RS422 communication module schematic diagram of the present invention.
Specific embodiment
Present invention combination attached drawing further describes, and provides embodiment.
Embodiment
A kind of method of RS422 communications under nuclear radiation environment of the present invention, anti-spoke involved in this method
Penetrating RS422 communication module is by processor 1, the first relay 2, the second relay 3, third relay 4, the first RS422 communication
Chip 5, the 2nd RS422 communication chip 6, the 3rd RS422 communication chip 7, ground terminal 8, power end 9, data receiver 10, data
Transmitting terminal 11, transmission transmitting terminal 12 and transmission receiving end 13 form, processor 1 respectively with the first relay 2, the second relay 3,
Third relay 4, the first RS422 communication chip 5, the 2nd RS422 communication chip 6, the 3rd RS422 communication chip 7, ground terminal 8
It is connected with power end 9, the first relay 2 is connect with the first RS422 communication chip 5, and the second relay 3 is communicated with the 2nd RS422
Chip 6 connects, and third relay 4 connect with the 3rd RS422 communication chip 7, ground terminal 8 respectively with processor 1, the first RS422
Communication chip 5, the 2nd RS422 communication chip 6 and the connection of the 3rd RS422 communication chip 7, the first RS422 communication chip 5, second
RS422 communication chip 6, the 3rd RS422 communication chip 7 respectively with data receiver 10, data sending terminal 11, transmission transmitting terminal 12
It is connected with transmission receiving end 13, concrete operations follow these steps to carry out:
A, anti-radiation RS422 communication module is placed in radiation field, when choosing 50Rad (Si)/s dosage rate as test
Radiation dose rate；
B, corresponding port is connected as requested, and power end 9 connects 5V DC power supply, and ground terminal 8 is grounded, will be anti-radiation
RS422 communication module is connected with STM32 single-chip microcontroller, and STM32 single-chip microcontroller is using lead brick shield to avoid radiation for single-chip microcontroller
It influences, STM32 single-chip microcontroller is connect with the data receiver 10 of anti-radiation RS422 communication module and data sending terminal 11, and two
Person is altogether；
C, use long cable as data line, 100 meters of length, be separately connected the biography of anti-radiation RS422 communication module
Defeated transmitting terminal 12 and transmission receiving end 13；Long cable other end connects laptop by RS422 communication chip；
D, laptop sends one piece of data to anti-radiation RS422 communication module (data biography by RS422 sending and receiving module
It is defeated normal), anti-radiation RS422 communication module receives signal, then transfers data to STM32 single-chip microcontroller, and STM32 single-chip microcontroller receives
Printed words are replied in signal, addition, then by data backtracking to laptop (reply: data are transmitted normal), if notebook
Computer can be normally received the data, then illustrate that anti-radiation RS422 communication module is working properly, and laptop each second sends
One data transmission is normal；
By the verification experimental verification of 6 hours, data are as follows:
Reply: data transmission is normal；
Reply: data transmission is normal；
Reply: data transmission is normal；
.
.
.
.
.
.
Reply: data transmission is normal；
Reply: data transmission is normal；
Reply: data transmission is normal；
Experiment results proved: a kind of method of the RS422 communications under nuclear radiation environment of the present invention, this method
In the anti-radiation RS422 communication module can be worked normally under nuclear radiation environment, meet design requirement, can be applied to core spoke
Penetrate the remote data signal transmission under radiation environment.
Anti-radiation RS422 communication module in the present invention is changed to common RS422 communication chip, 14 can be worked normally
Minute, disabler later cannot transmit data again.
Claims (1)
1. a kind of method of the RS422 communications under nuclear radiation environment, it is characterised in that anti-radiation involved in this method
RS422 communication module is by processor (1), the first relay (2), the second relay (3), third relay (4), first
RS422 communication chip (5), the 2nd RS422 communication chip (6), the 3rd RS422 communication chip (7), ground terminal (8), power end
(9), data receiver (10), data sending terminal (11), transmission transmitting terminal (12) and transmission receiving end (13) composition, processor
(1) respectively with the first relay (2), the second relay (3), third relay (4), the first RS422 communication chip (5), second
RS422 communication chip (6), the 3rd RS422 communication chip (7), ground terminal (8), power end (9) connection, the first relay (2) with
The connection of first RS422 communication chip (5), the second relay (3) are connect with the 2nd RS422 communication chip (6), third relay
(4) connect with the 3rd RS422 communication chip (7), ground terminal (8) respectively with processor (1), the first RS422 communication chip (5),
2nd RS422 communication chip (6) and the connection of the 3rd RS422 communication chip (7), the first RS422 communication chip (5), the 2nd RS422
Communication chip (6), the 3rd RS422 communication chip (7) are sent with data receiver (10), data sending terminal (11), transmission respectively
(12) and transmission receiving end (13) connection are held, concrete operations follow these steps to carry out:
A, anti-radiation RS422 communication module is placed in radiation field, chooses spoke of 50Rad (the Si)/s dosage rate as test when
According to dosage rate；
B, corresponding port is connected as requested, and power end (9) connects 5V DC power supply, and ground terminal (8) ground connection will be anti-radiation
RS422 communication module is connected with STM32 single-chip microcontroller, and STM32 single-chip microcontroller is using lead brick shield to avoid radiation for single-chip microcontroller
It influencing, STM32 single-chip microcontroller is connect with the data receiver (10) of anti-radiation RS422 communication module, data sending terminal (11), and
The two is altogether；
C, use long cable as data line, 100 meters of length, be separately connected the transmission hair of anti-radiation RS422 communication module
Sending end (12) and transmission receiving end (13)；Long cable other end connects laptop by RS422 communication chip；
D, laptop by RS422 sending and receiving module send one piece of data to anti-radiation RS422 communication module, it is anti-radiation
RS422 communication module receives signal, then transfers data to STM32 single-chip microcontroller, and STM32 single-chip microcontroller receives signal, and addition is replied
Printed words, then by data backtracking to laptop, if laptop can be normally received the data, illustrate anti-spoke
It is working properly to penetrate RS422 communication module, it is normal to send a data transmission laptop each second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910552700.4A CN110224716A (en) | 2019-06-25 | 2019-06-25 | A method of the RS422 communications under nuclear radiation environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910552700.4A CN110224716A (en) | 2019-06-25 | 2019-06-25 | A method of the RS422 communications under nuclear radiation environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110224716A true CN110224716A (en) | 2019-09-10 |
Family
ID=67814726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910552700.4A Withdrawn CN110224716A (en) | 2019-06-25 | 2019-06-25 | A method of the RS422 communications under nuclear radiation environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110224716A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251868A (en) * | 2014-09-11 | 2014-12-31 | 上海大学 | System and method for performing comparison experiment on anti-radiation performance of electronic elements in radiation environment |
| CN108267674A (en) * | 2018-01-04 | 2018-07-10 | 广州金升阳科技有限公司 | System is tested in a kind of comprehensive automation |
-
2019
- 2019-06-25 CN CN201910552700.4A patent/CN110224716A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251868A (en) * | 2014-09-11 | 2014-12-31 | 上海大学 | System and method for performing comparison experiment on anti-radiation performance of electronic elements in radiation environment |
| CN108267674A (en) * | 2018-01-04 | 2018-07-10 | 广州金升阳科技有限公司 | System is tested in a kind of comprehensive automation |
Non-Patent Citations (1)
| Title |
|---|
| 周东，郭旗，任迪远，李豫东，席善斌，孙静，文林: "大规模集成电路抗辐射性能无损筛选方法", 《强激光与粒子束》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205186049U (en) | OBD automobile -mounted terminal | |
| CN206194112U (en) | Intelligent communication acquisition manager ware based on wireless network | |
| CN201733329U (en) | Network one-way isolator of electric power system | |
| CN104468498A (en) | Power grid data transmission isolating device and method | |
| CN110794971B (en) | Remote control equipment and system | |
| CN110176136A (en) | A method of 485 communications under nuclear radiation environment | |
| CN110224716A (en) | A method of the RS422 communications under nuclear radiation environment | |
| CN110166075A (en) | A method of the RS232 communications under nuclear radiation environment | |
| CN110224717A (en) | A method of CAN communication is transmitted under nuclear radiation environment | |
| CN209373779U (en) | Power failure active reporting Intelligent meter box system | |
| CN207752621U (en) | A kind of data collection and transfering system based on LORA | |
| CN206741692U (en) | The energy data extraction element of electric energy meter | |
| CN109541297A (en) | A kind of electrical energy pulse acquisition device suitable for electronic electric energy meter | |
| CN205647556U (en) | Insert CPE equipment of LTE network | |
| CN105656517A (en) | Island information transmission measurement and control system | |
| CN208334946U (en) | A kind of civil new-type heat exchange station general purpose controller module | |
| CN110275582A (en) | A kind of anti-radiation MCU processor module | |
| CN106549841A (en) | Smart home infrared remote-control device and system based on NB IOT | |
| CN110244628A (en) | A kind of anti-radiation dsp processor module | |
| CN110244629A (en) | A kind of anti-radiation arm processor module | |
| CN110650068A (en) | Communication circuit and communication test method of remote controller performance test device | |
| CN220962187U (en) | Industrial controller | |
| CN110244828A (en) | A kind of anti-radiation FPGA processor module | |
| CN203416251U (en) | Micro power consumption wireless data transmission device | |
| CN214314543U (en) | Anti-interference isolation communication circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190910 |