CN106411514B - A kind of communication control method of Intellectualized sewage water processing system - Google Patents
A kind of communication control method of Intellectualized sewage water processing system Download PDFInfo
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- CN106411514B CN106411514B CN201611095809.2A CN201611095809A CN106411514B CN 106411514 B CN106411514 B CN 106411514B CN 201611095809 A CN201611095809 A CN 201611095809A CN 106411514 B CN106411514 B CN 106411514B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
- H04L63/126—Applying verification of the received information the source of the received data
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Abstract
The invention discloses a kind of communication control methods of Intellectualized sewage water processing system, the sewage disposal system includes control centre, terminal device control host, sensing equipment and monitoring device, wherein, include the steps that " terminal device controls host and sends work state information to control centre by the presetting time ", terminal device control host is sent to sensing equipment or monitoring device simultaneously encrypts, returns and disturb order, sensing equipment or monitoring device according to order return encryption, scrambled data to terminal device control host.The control method is in dispersion, unattended sewage disposal system, bit encryption, data scrambling processing after order transmission and returned data communication to each sensing equipment and monitoring device being connected on terminal device control host are decomposed, and the cryptographic calculation number of each terminal equipment control host is all random, malicious person is thus effectively prevented using overlap joint route, distorts the normal operation data of equipment.
Description
Technical field
The present invention relates to communication control field, especially a kind of communication control method of Intellectualized sewage water processing system.
Background technique
With the fast development of national urbanization, the quickening of the centralized residence process of Small Towns and people's life
The discharge of horizontal increasingly raising, sanitary sewage is increasing to the pollution in river and ecology.How pollution treatment is just at compeling in eyebrow
The thing of eyelash.Small-sized decentralized wastewater processing is born therefrom.
Current small-sized decentralized wastewater processing system is monitored the operating status and operating parameter of equipment itself, and
Terminal device is to control centre's uploaded state information.But such device data and equipment state is that analog signal, number are bright
Code has done simple encryption and has been transmitted, and such transmission mode is easy to be cracked by malicious person, change equipment operation ginseng
Several or electronic attack is unable to operate normally its equipment.
Summary of the invention
Based on this, in view of the above-mentioned problems, it is necessary to propose a kind of communication control method of Intellectualized sewage water processing system, it should
Control method sets each sensing being connected on terminal device control host in dispersion, unattended sewage disposal system
Bit encryption, data scrambling processing after standby and monitoring device order transmission and returned data communication are decomposed, and every end
End equipment control host cryptographic calculation number be all it is random, thus effectively prevent malicious person using overlap joint line
The normal operation data of equipment are distorted on road.
The technical scheme is that a kind of communication control method of Intellectualized sewage water processing system, the sewage treatment system
System includes control centre, terminal device control host, sensing equipment and monitoring device, wherein including " terminal device controls host
Work state information is sent to control centre by the presetting time " the step of, while the following steps are included:
A, the numbers to be received such as terminal device control host sends encryption, scrambling is ordered to sensing equipment or monitoring device
According to, and enter step b；
B, sensing equipment or monitoring device receive encryption, scrambling order and resolve command from terminal device control host
After enter step c；
C, whether the order that sensing equipment or monitoring device judgement receive is reading data command, if it is, into
Step d；If it is not, then working normally, while terminal device control host is waited to send order, and return to step a；
D, sensing equipment or monitoring device are laggard to terminal device control host by order request return encryption, scrambled data
Enter step e；
E, terminal device control host receives encryption from sensing equipment or monitoring device, scrambled data and parses data
After enter step f；
F, terminal device control host judges whether it is sensing equipment or monitoring device required by reading data command and returns
The data returned, if it is, entering step g；If it is not, then entering step h；
G, terminal device control host reads the data needed；
H, terminal device control host judges whether repeatedly not receiving correct returned data, does not return if it is, sending
The sensing equipment of data or the fault message of monitoring device are returned to control centre；If it is not, then continuing to data, and return to
Step a.
In dispersion, unattended sewage disposal system, each sensing being connected on terminal device control host is set
Bit encryption, data scrambling processing after standby and monitoring device order transmission and returned data communication are decomposed, thus effectively
Malicious person is avoided using overlap joint route, distorts the normal operation data of equipment.
Preferably, if it exceeds presetting time control centre does not receive the work shape that terminal device control host is sent
State information, then control centre's prompt terminal equipment control host work is abnormal, and continues waiting for receiving terminal apparatus control host
The work state information of transmission.
Preferably, step a includes the following steps:
A1, data type and data amount check by the address of sensing equipment or monitoring device, sensing equipment or monitoring device
It does data correctness and verifies and generate original directive and check code, enter step a2；
A2, original directive is subjected to bit encryption generation encryption order together with the check code in step a1, takes the encryption at random
The encryption order is generated a new group encryption together with the cryptographic calculation number and ordered by the single byte in order as cryptographic calculation number
It enables, enters step a3；
A3, the not repeating random number i.e. scrambled code for taking clock millisecond respectively are added between the byte of new encryption order, raw
At encryption, scrambling order, a4 is entered step；
A4, correctness verification is carried out to encryption, scrambling order, forms the new encryption of a frame together with the check code, scrambling is ordered
Order is sent to sensing equipment or monitoring device.
It is wired or wireless that terminal device, which controls the mode that host sends encryption, scrambling is ordered,.
The order that terminal device control host is sent carries out bit encryption and scrambling processing, and each terminal equipment controls
The cryptographic calculation number of host be all it is random, thus effectively prevent malicious person using overlap joint route, distort equipment
Normal operation order.And it orders and uses random number scrambled transmission, to improve the normal of operation of sewage disposal system
Property.
Preferably, step b includes the following steps:
Whether the encryption of each frame, the scrambling order that b1, judgement receive are correct, if correctly, which kept in；
If incorrect, the frame ordering is lost, and continue to order；After temporary correct order reaches three frames, into step
Rapid b2；
B2, judge three frames correctly order in any two frame ordering scrambled code it is whether identical, if identical, then it represents that should
Three frame orderings are invalid command, should lose three frame ordering at this time, and continue to order；If it is not the same, then entering step
b3；
B3, order is filtered out into scrambled code, is reduced to encryption order, enters step b4；
B4, cryptographic calculation number is taken out to encryption order progress computation decoder；
B5, judge whether decoded order is correct, if correctly, resolve command enters step c；If incorrect,
Order is lost, and continues to order.
Order uses random number scrambled transmission, and sensing equipment or monitoring device need to receive order entirely different three times
Could parse, which becomes a frame, effectively orders, it is possible to prevente effectively from analyzing and distorting communications command by the way of copy command.
Preferably, step d includes the following steps:
D1, data are taken out according to order request；
D2, the number of the data and the data taken out in local device address, step d1 is formed into whole group data, to whole group
Data carry out correctness verification and generate check code；
D3, encryption number is generated after the whole group data in step d2 are carried out bit encryption by cryptographic calculation number together with check code
According to；
D4, will encryption data scrambled code is added after generate encryption, scrambled data, generated after verifying again one group it is new plus
Close, scrambled data is sent to terminal device control host.
The returned data of sensing equipment or monitoring device is logical to carry out bit encryption and scrambling processing, and every sensing equipment
Or the cryptographic calculation number of monitoring device is all the order acquisition that host is controlled according to terminal device, is thus effectively prevented not
There is the people of motive using overlap joint route, distorts the normal operation data of equipment.And each sensing equipment or monitoring device are returned
Return data be all made of random number scrambled transmission, thus improve operation of sewage disposal system normality and monitoring data it is true
Reality.
Preferably, step e includes the following steps:
E1, judge whether each group encryption received, scrambled data are correct, such as examine correctly, then keep in this group of data；Such as
It examines incorrect, then loses this group of data, and continue to data；
After temporary correct data reach three groups, e2 is entered step；
E2, judge whether the scrambled code of any two groups of data in three groups of correct data is identical, if identical, then it represents that should
Three groups of data are invalid data, should lose three groups of data at this time, and continue to data；If it is not the same, then entering step
e3；
E3, data filtering is fallen into scrambled code, is reduced to encryption data, enter step e4；
E4, data are decoded with the cryptographic calculation number sent when ordering；
Whether e5, to judge decoded data correct, if correctly, parsing data, completes to receive, enters step f；Such as
Fruit is incorrect, then loses data, and continue to data.
Data use random number scrambled transmission, and terminal device control host needs to receive three groups of entirely different data
Can parse becomes one group of effective data, it is possible to prevente effectively from analyzing and distorting communication data by the way of copying data.
Preferably, in step h, after terminal device control host issues order to sensing equipment and monitoring device, if
Continuous five transmissions all do not receive sensing equipment or monitoring device returned data, and terminal device controls host and sends to control centre
Corresponding sensing equipment or monitoring device operation irregularity information.
If encountered, to connection line and channel, interference attack, this control and communication means have system exception incessantly
Warning function, there is abnormal alarm in control centre, can send someone to live precisely debugging.To improve sewage treatment
The normality and monitoring data authenticity of system operation.
The beneficial effects of the present invention are:
1, in dispersion, unattended sewage disposal system, to each sensing equipment and prison of connection on the terminal device
Bit encryption, data scrambling processing after the order transmission of measurement equipment and returned data communication are decomposed, and each terminal equipment
Control host cryptographic calculation number be all it is random, thus effectively prevent malicious person using overlap joint route, distort
The normal operation data of equipment；
2, data use random number scrambled transmission, and needing to receive order or data entirely different three times can just be parsed into
For one group of effective order or data, it is possible to prevente effectively from analyzing and distorting communication data by the way of copying data；
3, encounter that interference attack, this control and communication means have system exception incessantly to connection line and channel
There is abnormal alarm in warning function, control centre, can send someone to live precisely debugging.To improve sewage treatment system
The normality and monitoring data authenticity of system operation.
Detailed description of the invention
Fig. 1 is that terminal device controls the flow chart that host sends order and reception data in the embodiment of the present invention；
Fig. 2 is that sensing equipment or monitoring device receive order and send the flow chart of data in the embodiment of the present invention；
Fig. 3 is that terminal device controls the flow chart that host generates encryption, scrambling order in the embodiment of the present invention；
Fig. 4 is sensing equipment or the flow chart of monitoring device decoding order in the embodiment of the present invention；
Fig. 5 is the flow chart that sensing equipment or monitoring device generate encryption, scrambled data in the embodiment of the present invention；
Fig. 6 is the flow chart that terminal device controls host decoding data in the embodiment of the present invention；
Fig. 7 is the system structure diagram of sewage disposal system described in the embodiment of the present invention；
Appended drawing reference: 10- control centre, 20- terminal device control host, 30- sensing equipment, 40- monitoring device.
Specific embodiment
The embodiment of the present invention is described in detail with reference to the accompanying drawing.
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of communication control method of Intellectualized sewage water processing system, the sewage disposal system include
Control centre 10, terminal device control host 20, sensing equipment 30 and monitoring device 40, wherein including " terminal device control master
Machine 20 sends work state information to control centre 10 by the presetting time " the step of, while the following steps are included:
A, waiting after terminal device control host 20 sends encryption, scrambles order to sensing equipment 30 or monitoring device 40 etc.
Data are received, and enter step b；
B, sensing equipment 30 or monitoring device 40 receive encryption, scrambling from terminal device control host 20 and order and solve
C is entered step after analysis order；
C, sensing equipment 30 or monitoring device 40 judge whether the order received is reading data command, if it is,
Enter step d；If it is not, then working normally, while terminal device control host 20 is waited to send order, and return to step a；
D, sensing equipment 30 or monitoring device 40 are by order request return encryption, scrambled data to terminal device control host
E is entered step after 20；
E, terminal device control host 20 receives encryption from sensing equipment 30 or monitoring device 40, scrambled data and solves
F is entered step after analysis data；
F, terminal device control host 20 judges whether it is sensing equipment 30 or monitoring required by reading data command and sets
Standby 40 data returned, if it is, entering step g；If it is not, then entering step h；
G, terminal device control host 20 reads the data needed；
H, terminal device control host 20 judges whether repeatedly not receiving correct returned data, if it is, sending not
The sensing equipment 30 of returned data or the fault message of monitoring device 40 are to control centre；If it is not, then data are continued to,
And return to step a.
Embodiment 2
The present embodiment on the basis of embodiment 1, if it exceeds presetting time control centre 10 does not receive terminal and sets
The work state information that standby control host 20 is sent, then 10 prompt terminal equipment of control centre controls 20 operation irregularity of host, and
Continue waiting for the work state information that receiving terminal apparatus control host 20 is sent.
Embodiment 3
As shown in figure 3, the present embodiment is on the basis of embodiment 1, step a includes the following steps:
A1, by the address of sensing equipment 30 or monitoring device 40, sensing equipment 30 or monitoring device 40 data type and
Data amount check does data correctness and verifies and generate original directive and check code, enters step a2；
A2, original directive is subjected to bit encryption generation encryption order together with the check code in step a1, takes the encryption at random
The encryption order is generated a new group encryption together with the cryptographic calculation number and ordered by the single byte in order as cryptographic calculation number
It enables, enters step a3；
A3, the not repeating random number i.e. scrambled code for taking clock millisecond respectively are added between the byte of new encryption order, raw
At encryption, scrambling order, a4 is entered step；
A4, correctness verification is carried out to encryption, scrambling order, forms the new encryption of a frame together with the check code, scrambling is ordered
Order is sent to sensing equipment 30 or monitoring device 40.
Embodiment 4
As shown in figure 4, the present embodiment is on the basis of embodiment 1, step b includes the following steps:
Whether each frame ordering that b1, judgement receive is correct, if correctly, which kept in；If not just
Really, then the frame ordering is lost, and continues to order；After temporary correct order reaches three frames, b2 is entered step；
B2, judge three frames correctly order in any two frame ordering scrambled code it is whether identical, if identical, then it represents that should
Three frame orderings are invalid command, should lose three frame ordering at this time, and continue to order；If it is not the same, then entering step
b3；
B3, order is filtered out into scrambled code, is reduced to encryption order, enters step b4；
B4, cryptographic calculation number is taken out to encryption order progress computation decoder；
B5, judge whether decoded order is correct, if correctly, resolve command enters step c；If incorrect,
Order is lost, and continues to order.
Embodiment 5
As shown in figure 5, the present embodiment is on the basis of embodiment 1, step d includes the following steps:
D1, data are taken out according to order request；
D2, the number of the data and the data taken out in local device address, step d1 is formed into whole group data, to whole group
Data carry out correctness verification and generate check code；
D3, encryption number is generated after the whole group data in step d2 are carried out bit encryption by cryptographic calculation number together with check code
According to；
D4, will encryption data scrambled code is added after generate encryption, scrambled data, generated after verifying again one group it is new plus
Close, scrambled data is sent to terminal device control host.
Embodiment 6
As shown in fig. 6, the present embodiment is on the basis of embodiment 1, step e includes the following steps:
Whether each group of data that e1, judgement receive are correct, such as examine correctly, then keep in this group of data；Such as examine it is incorrect,
This group of data are then lost, and continue to data；
After temporary correct data reach three groups, e2 is entered step；
E2, judge whether the scrambled code of any two groups of data in three groups of correct data is identical, if identical, then it represents that should
Three groups of data are invalid data, should lose three groups of data at this time, and continue to data；If it is not the same, then entering step
e3；
E3, data filtering is fallen into scrambled code, is reduced to encryption data, enter step e4；
E4, data are decoded with the cryptographic calculation number sent when ordering；
Whether e5, to judge decoded data correct, if correctly, parsing data, completes to receive, enters step f；Such as
Fruit is incorrect, then loses data, and continue to data.
Embodiment 7
On the basis of embodiment 1, in step h, terminal device controls host 20 to 30 He of sensing equipment to the present embodiment
After monitoring device 40 issues order, if continuous five transmissions all do not receive 40 returned data of sensing equipment 30 or monitoring device,
Terminal device controls host 20 and sends corresponding sensing equipment 30 or 40 operation irregularity information of monitoring device to control centre 10.
As shown in fig. 7, Fig. 7 is the system structure diagram of sewage disposal system described in the embodiment of the present invention.The sewage
Processing system includes control centre 10, terminal device control host 20, sensing equipment 30 and monitoring device 40；The control centre
First signal input output end of 10 signal input output end connection terminal device control host 20, the sensing equipment 30
Signal input output end and the signal input output end of monitoring device 40 control the second signal of host 20 with terminal device respectively
Input/output terminal connection.Control centre 10 remotely receives encryption transmitted by each terminal device control host 20, scrambling terminal is set
Standby status information, terminal device control host 20 with connect sensing equipment on the terminal device and monitoring device transmission encrypt,
After scrambling order, sensing equipment 30 and monitoring device 40 restore command analysis, then will be in the terminal device control order of host 20
The data needed are by sending data to control centre 10 after encryption, scrambling.Control centre 10 and terminal device control host
20 connections are connected using communication, and such as GPRS, WIFI, local area network, terminal device controls host 20 and sensing equipment 30
It is connected with the connection of monitoring device 40 using wired or communication.
A specific embodiment of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.
Claims (5)
1. a kind of communication control method of Intellectualized sewage water processing system, which includes that control centre, terminal are set
Standby control host, sensing equipment and monitoring device, wherein including " terminal device controls host and presses the presetting time to control
Center sends work state information " the step of, which is characterized in that while the following steps are included:
A, the data to be received such as terminal device control host sends encryption, scrambling is ordered to sensing equipment or monitoring device, and
Enter step b；
B, it is laggard to receive the encryption, scrambling order and resolve command for controlling host from terminal device for sensing equipment or monitoring device
Enter step c；
C, whether the order that sensing equipment or monitoring device judgement receive is to read data command, if it is, entering step
d；If it is not, then working normally, while terminal device control host is waited to send order, and return to step a；
D, sensing equipment or monitoring device enter step after returning to encryption, scrambled data to terminal device control host by order request
Rapid e；
E, terminal device control host receives encryption from sensing equipment or monitoring device, scrambled data and to parse data laggard
Enter step f；
F, terminal device control host judges whether it is what sensing equipment or monitoring device required by reading data command returned
Data, if it is, entering step g；If it is not, then entering step h；
G, terminal device control host reads the data needed；
H, terminal device control host judges whether repeatedly not receiving correct returned data, does not return to number if it is, sending
According to sensing equipment or monitoring device fault message to control centre；If it is not, then continuing to data, and return to step
a；
Step a includes the following steps:
A1, the data type of the address of sensing equipment or monitoring device, sensing equipment or monitoring device and data amount check are done into number
Original directive and check code are verified and generated according to correctness, enter step a2；
A2, original directive is subjected to bit encryption generation encryption order together with the check code in step a1, takes the encryption order at random
In a single byte as cryptographic calculation number, which is generated into a new group encryption order together with the cryptographic calculation number,
Enter step a3；
A3, the not repeating random number i.e. scrambled code for taking clock millisecond respectively are added between the byte of new encryption order, generate and add
Close, scrambling order, enters step a4；
A4, correctness verification is carried out to encryption, scrambling order, forms the new encryption of a frame, scrambling order hair together with the check code
It send to sensing equipment or monitoring device；
Step b includes the following steps:
Whether the encryption of each frame, the scrambling order that b1, judgement receive are correct, if correctly, which kept in；If
It is incorrect, then the frame ordering is lost, and continue to order；After temporary correct order reaches three frames, b2 is entered step；
B2, judge three frames correctly order in any two frame ordering scrambled code it is whether identical, if identical, then it represents that three frame
Order is invalid command, should lose three frame ordering at this time, and continue to order；If it is not the same, then entering step b3；
B3, order is filtered out into scrambled code, is reduced to encryption order, enters step b4；
B4, cryptographic calculation number is taken out to encryption order progress computation decoder；
B5, judge whether decoded order is correct, if correctly, resolve command enters step c；If incorrect, lose
Order, and continue to order.
2. a kind of communication control method of Intellectualized sewage water processing system according to claim 1, which is characterized in that if
The work state information that terminal device control host is sent is not received more than presetting time control centre, then control centre mentions
Show that terminal device control host work is abnormal, and continues waiting for the work state information that receiving terminal apparatus control host is sent.
3. a kind of communication control method of Intellectualized sewage water processing system according to claim 1, which is characterized in that step
D includes the following steps:
D1, data are taken out according to order request；
D2, the number of the data and the data taken out in local device address, step d1 is formed into whole group data, to whole group data
It carries out correctness verification and generates check code；
D3, encryption data is generated after the whole group data in step d2 are carried out bit encryption by cryptographic calculation number together with check code；
D4, encryption, scrambled data are generated after scrambled code is added in encryption data, one group of new encryption is generated after verifying again, is added
It disturbs data and is sent to terminal device control host.
4. a kind of communication control method of Intellectualized sewage water processing system according to claim 1, which is characterized in that step
E includes the following steps:
E1, judge whether each group encryption received, scrambled data are correct, such as examine correctly, then keep in this group of data；As examined not
Correctly, then this group of data are lost, and continue to data；
After temporary correct data reach three groups, e2 is entered step；
E2, judge whether the scrambled code of any two groups of data in three groups of correct data is identical, if identical, then it represents that this three groups
Data are invalid data, should lose three groups of data at this time, and continue to data；If it is not the same, then entering step e3；
E3, data filtering is fallen into scrambled code, is reduced to encryption data, enter step e4；
E4, data are decoded with the cryptographic calculation number sent when ordering；
Whether e5, to judge decoded data correct, if correctly, parsing data, completes to receive, enters step f；If no
Correctly, then data are lost, and continue to data.
5. a kind of communication control method of Intellectualized sewage water processing system according to claim 1, which is characterized in that in step
In rapid h, after terminal device control host issues order to sensing equipment and monitoring device, if continuous five transmissions all do not receive
Sensing equipment or monitoring device returned data, terminal device control host and set to the corresponding sensing equipment of control centre's transmission or monitoring
Standby operation irregularity information.
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