CN110166075A - A method of the RS232 communications under nuclear radiation environment - Google Patents
A method of the RS232 communications under nuclear radiation environment Download PDFInfo
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- CN110166075A CN110166075A CN201910552724.XA CN201910552724A CN110166075A CN 110166075 A CN110166075 A CN 110166075A CN 201910552724 A CN201910552724 A CN 201910552724A CN 110166075 A CN110166075 A CN 110166075A
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
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- 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 RS232 communications under nuclear radiation environment, anti-radiation RS232 communication module involved in this method is made of processor, the first relay, the second relay, third relay, the first RS232 communication chip, the 2nd RS232 communication chip, the 3rd RS232 communication chip, ground terminal, power end, data receiver, data sending terminal, transmission transmitting terminal and transmission receiving end.When in use, anti-radiation RS232 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 RS232 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 RS232 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 RS232 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 RS232 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 RS232 communications under nuclear radiation environment, involved in this method
Anti-radiation RS232 communication module be to be led to by processor, the first relay, the second relay, third relay, the first RS232
Believe that chip, the 2nd RS232 communication chip, the 3rd RS232 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 RS232 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 RS232 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.
The method of a kind of RS232 communications under nuclear radiation environment of the present invention, it is characterised in that in this method
The anti-radiation RS232 communication module being related to is by processor (1), the first relay (2), the second relay (3), third relay
(4), the first RS232 communication chip (5), the 2nd RS232 communication chip (6), the 3rd RS232 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, place
Manage device (1) respectively with the first relay (2), the second relay (3), third relay (4), the first RS232 communication chip (5),
2nd RS232 communication chip (6), the 3rd RS232 communication chip (7), ground terminal (8), power end (9) connection, the first relay
(2) connect with the first RS232 communication chip (5), the second relay (3) is connect with the 2nd RS232 communication chip (6), third after
Electric appliance (4) is connect with the 3rd RS232 communication chip (7), ground terminal (8) respectively with processor (1), the first RS232 communication chip
(5), the 2nd RS232 communication chip (6) and the connection of the 3rd RS232 communication chip (7), the first RS232 communication chip (5), second
RS232 communication chip (6), the 3rd RS232 communication chip (7) respectively with data receiver (10), data sending terminal (11), transmission
Transmitting terminal (12) and transmission receiving end (13) connection, concrete operations follow these steps to carry out:
A, anti-radiation RS232 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
RS232 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 RS232 communication module, data sending terminal (11), and
The two is altogether；
C, use a pair of long cable as data line, 25 meters of length, be separately connected anti-radiation RS232 communication module
Transmit transmitting terminal (12) and transmission receiving end (13)；Long cable other end connects laptop by RS232 communication chip；
D, laptop by RS232 sending and receiving module send one piece of data to anti-radiation RS232 communication module, it is anti-radiation
RS232 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 RS232 communication module, it is normal to send a data transmission laptop each second.
A kind of method of RS232 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 RS232 communication module uses: the CPLD xc2c256 of Xilinx is filtered out
As processor (1), MAX232 is as the first RS232 communication chip (5), the 2nd RS232 communication chip (6) and the 3rd RS232
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 RS232 communications under nuclear radiation environment, this method is in number of patent application:
It is improved on the basis of 201910309397.5, the first RS232 communication chip (5), the 2nd RS232 communication chip (6),
The power supply of three RS232 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 RS232 communication chip (5), the 2nd RS232 communication chip (6), the 3rd RS232 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 RS232 communication chip (5), the 2nd RS232 communication chip (6) and the 3rd RS232
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 RS232 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 RS232 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 RS232 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 RS232 communications under nuclear radiation environment of the present invention, anti-spoke involved in this method
Penetrating RS232 communication module is by processor 1, the first relay 2, the second relay 3, third relay 4, the first RS232 communication
Chip 5, the 2nd RS232 communication chip 6, the 3rd RS232 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 RS232 communication chip 5, the 2nd RS232 communication chip 6, the 3rd RS232 communication chip 7, ground terminal 8,
Power end 9 connects, and the first relay 2 is connect with the first RS232 communication chip 5, and the second relay 3 communicates core with the 2nd RS232
Piece 6 connects, and third relay 4 is connect with the 3rd RS232 communication chip 7, and ground terminal 8 is logical with processor 1, the first RS232 respectively
Believe chip 5, the 2nd RS232 communication chip 6 and the connection of the 3rd RS232 communication chip 7, the first RS232 communication chip 5, second
RS232 communication chip 6, the 3rd RS232 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 RS232 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
RS232 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 RS232 communication module and data sending terminal 11, and two
Person is altogether；
C, use a pair of long cable as data line, 25 meters of length, be separately connected anti-radiation RS232 communication module
Transmit transmitting terminal 12 and transmission receiving end 13；Long cable other end connects laptop by RS232 communication chip；
D, laptop sends one piece of data to anti-radiation RS232 communication module (data biography by RS232 sending and receiving module
It is defeated normal), anti-radiation RS232 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 RS232 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 RS232 communications under nuclear radiation environment of the present invention, this method
In the anti-radiation RS232 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 RS232 communication module in the present invention is changed to common RS232 communication chip, 14 can be worked normally
Minute, disabler later cannot transmit data again.
Claims (1)
1. a kind of method of the RS232 communications under nuclear radiation environment, it is characterised in that anti-radiation involved in this method
RS232 communication module is by processor (1), the first relay (2), the second relay (3), third relay (4), first
RS232 communication chip (5), the 2nd RS232 communication chip (6), the 3rd RS232 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 RS232 communication chip (5), second
RS232 communication chip (6), the 3rd RS232 communication chip (7), ground terminal (8), power end (9) connection, the first relay (2) with
The connection of first RS232 communication chip (5), the second relay (3) are connect with the 2nd RS232 communication chip (6), third relay
(4) connect with the 3rd RS232 communication chip (7), ground terminal (8) respectively with processor (1), the first RS232 communication chip (5),
2nd RS232 communication chip (6) and the connection of the 3rd RS232 communication chip (7), the first RS232 communication chip (5), the 2nd RS232
Communication chip (6), the 3rd RS232 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 RS232 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
RS232 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 RS232 communication module, data sending terminal (11), and
The two is altogether；
C, use a pair of long cable as data line, 25 meters of length, be separately connected the transmission of anti-radiation RS232 communication module
Transmitting terminal (12) and transmission receiving end (13)；Long cable other end connects laptop by RS232 communication chip；
D, laptop by RS232 sending and receiving module send one piece of data to anti-radiation RS232 communication module, it is anti-radiation
RS232 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 RS232 communication module, it is normal to send a data transmission laptop each second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910552724.XA CN110166075A (en) | 2019-06-25 | 2019-06-25 | A method of the RS232 communications under nuclear radiation environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910552724.XA CN110166075A (en) | 2019-06-25 | 2019-06-25 | A method of the RS232 communications under nuclear radiation environment |
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| Publication Number | Publication Date |
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| CN110166075A true CN110166075A (en) | 2019-08-23 |
Family
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| CN201910552724.XA Withdrawn CN110166075A (en) | 2019-06-25 | 2019-06-25 | A method of the RS232 communications under nuclear radiation environment |
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Application publication date: 20190823 |