CN212677204U - Remote control system for waste water treatment device of garbage transfer station - Google Patents
Remote control system for waste water treatment device of garbage transfer station Download PDFInfo
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- CN212677204U CN212677204U CN202020523323.XU CN202020523323U CN212677204U CN 212677204 U CN212677204 U CN 212677204U CN 202020523323 U CN202020523323 U CN 202020523323U CN 212677204 U CN212677204 U CN 212677204U
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Abstract
A remote control system for a waste water treatment device of a garbage transfer station comprises a water level detection sensor, a water inlet control valve, a waste water treatment device, a programmable logic controller, a power supply, a data transmission unit, a data encryption module, a cloud server and a plurality of computer terminals, wherein the water level detection sensor is arranged on the inner wall of a sewage barrel of waste water treatment equipment and transmits a water level signal to the programmable logic controller, the programmable logic controller is connected with the water inlet control valve of the waste water treatment device and is used for controlling the water inlet size of waste water, the power supply is connected with the programmable logic controller and is used for supplying power to the controller, the data transmission unit connects the programmable logic controller with the cloud server to complete data communication between the programmable logic controller and the cloud server, the computer terminals are connected with the cloud server and are used for displaying and controlling the real-time operation condition of the device, and the, used for encrypting and decrypting the transmitted data and performing authority verification.
Description
Technical Field
The utility model relates to a waste water treatment device of rubbish transfer station, in particular to a remote control system for waste water treatment device of rubbish transfer station.
Background
Because the environment of rubbish transfer station is relatively poor, in order to ensure the healthy of operation and rubbish transfer station safe operation, people hope to realize remote control to the operation and the control that rubbish transfer station is used for the equipment of handling waste water, not only can make things convenient for the quick current operational aspect of equipment that obtains, can also in time take solution to some emergency to avoid some unnecessary personnel safety and economic loss. Meanwhile, because the safe operation and related data of the waste water treatment device of the waste transfer station are very important, corresponding safety problems, such as safety accidents caused by malicious tampering of terminal instructions by a third party or commercial secrets leaked by stealing device operation data, have to be faced during remote control, and once the safety problems occur, disastrous consequences can be brought, so the safety problems also have to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art's above-mentioned defect and provide a remote control system for rubbish transfer station effluent treatment plant, make it carry out remote control more safely.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
a remote control system for a waste water treatment device of a garbage transfer station comprises a water level detection sensor, a water inlet control valve, a waste water treatment device, a programmable logic controller, a power supply, a data transmission unit, a data encryption module, a cloud server and a plurality of computer terminals, wherein the water level detection sensor is arranged on the inner wall of a sewage barrel of waste water treatment equipment and transmits a water level signal to the programmable logic controller, the programmable logic controller is connected with the water inlet control valve of the waste water treatment device and is used for controlling the water inlet size of waste water, the water inlet control valve is closed when the waste water capacity in the sewage barrel reaches a limit, otherwise, the water inlet control valve is opened, the power supply is connected with the programmable logic controller and is used for supplying power to the controller, the data transmission unit connects the programmable logic controller with the cloud server to complete data communication between the programmable logic controller and the cloud server, and the computer terminals are connected with the cloud server to, the data encryption module is respectively connected with the data transmission unit and the cloud server and is used for encrypting and decrypting the transmitted data and verifying the authority.
Preferably, the data encryption module comprises a first data encryption module and a second data encryption module, the first data encryption module is connected with the data transmission unit, the second data encryption module is connected with the cloud server, when the data transmitted by the data transmission unit reaches the first data encryption module, the data is encrypted by a DES encryption algorithm and a secret key stored in the first data encryption module in advance, then the encrypted data is transmitted to a second data encryption module, the second data encryption module decrypts the data by using a DES encryption algorithm and a secret key stored in the second data encryption module in advance, the decrypted data and the parameters written in the server carry out authority confirmation, and after the confirmation is passed, the data is stored in a database, if not, the illegal data should be discarded, and the event is recorded in the safety hazard, so that the unified check can be carried out.
Preferably, the first data encryption module is connected with the data transmission unit, the second data encryption module is connected with the cloud server, then the same secret key with 8 bytes is respectively stored in the two data encryption modules, the communication between the data transmission unit and the cloud server is realized, the parameters of the wastewater treatment device are written into the cloud server, when the device uploads data to the server, the data transmission is from the data transmission unit to the cloud server, the data is subjected to DES symmetric encryption when reaching the first data encryption module, the data is firstly divided into blocks according to 8 bytes, because the DES symmetric encryption algorithm uses 8 bytes as one block for encryption, one data block is encrypted by one data block, the encrypted ciphertext of an 8-byte plaintext is also 8 bytes, if the plaintext length is not an integral multiple of 8 bytes, the added bytes which are 0 are an integral multiple of 8 bytes, the length of the encrypted ciphertext is determined to be an integral multiple of 8 bytes, different code pages are designated by the data plaintext through Encoding, a character string is converted into codes corresponding to the different code pages, the codes are changed into byte [ ] form, then the byte [ ] byte stream plaintext is encrypted by using DES algorithm and a pre-stored 8-byte key to generate byte [ ] byte stream ciphertext, the ciphertext is transmitted to a data encryption module II after being encrypted, the data encryption module II decrypts the ciphertext by using DES algorithm and the pre-stored 8-byte key after receiving the ciphertext to generate byte [ ] byte stream plaintext, finally the code page used by the Encoding during encryption is used for converting the byte [ ] form plaintext into a proper character string, then the authority is confirmed according to the parameters written in the server in advance, after the data pass through confirmation, the data are stored in a database, if the data do not pass through, the data are illegal data, should be discarded and the event recorded in the safety hazard; when a computer terminal issues an operation instruction to a device, the instruction is transmitted from the computer terminal to a cloud server and then to a data transmission unit, when the data reaches a data encryption module II, the data is encrypted firstly, then the data is packaged and transmitted to the data encryption module I to be decrypted in the data encryption module I, after decryption, whether the authority of an operator of the instruction is authorized to verify whether the operator has the operation authority or not is verified, whether the instruction is legally and safely operated or not is verified, if the instruction passes verification, the instruction is transmitted to a programmable logic controller to control a wastewater treatment device to perform corresponding action, if the instruction fails verification, the instruction is abandoned and recorded in an alarm, then the alarm data server is transmitted to the alarm data server, and when the operator has higher authority, the operator checks and maintains the alarm data server.
Preferably, the cloud server is provided with database software for storing data, the data can be stored by using the database software, and as the history is stored in the cloud database, technicians can check the history of equipment operation through a computer terminal at any time, so that the equipment condition can be better mastered.
Preferably, the programmable logic controller is provided with a touch screen for displaying data and modifying parameters, so that the data can be directly displayed on the programmable logic controller for operation.
Preferably, water level sensors are installed in the slop pail of the wastewater treatment device according to different depths, and the sensed water level is converted into a varying electric signal to be transmitted to the controller, the controller calculates the value of each sensor according to the position of the different sensors by using the corresponding conversion ratio based on the received electric signal, then removing the sensors with obviously wrong data according to an algorithm, averaging the data acquired by the rest sensors, calculating the final wastewater capacity, the programmable logic controller transmits the calculated data to a data transmission unit, the data transmission unit transmits the data to a cloud server through a wireless data unit, and the data are stored in a database, so that an operator can check the data in real time through a computer terminal to know the real-time running condition of the equipment and issue an instruction to the equipment so as to control the equipment.
Preferably, the remote control terminal can use a WeChat applet and a mobile phone APP to enable technicians to master the operation condition of the equipment at any time and any place.
Preferably, the programmable logic controller regularly carries out vertical comparison and horizontal comparison with sensor data, queries whether there is the sensor that is in data anomaly for a long time, if yes, just reports this sensor abnormal conditions to the high in the clouds server through the data transmission unit to the staff knows the problem, timely inspection and prosthetic devices.
Preferably, the programmable logic controller has a memory module for storing data. When communication breaks down due to network problems, the programmable logic stores current data in local storage equipment, and when network communication is recovered to be normal, the data are transmitted to the cloud server, so that data loss can be effectively avoided.
Compared with the prior art, the utility model discloses not only can realize teletransmission and operation to rubbish transfer station effluent treatment plant's key data, carry out remote control, can encrypt and decrypt transmission data moreover, consequently, its remote control system security is high.
Drawings
FIG. 1 is a schematic block diagram of a remote control system for a waste water treatment device of a waste transfer station according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1, a remote control system for a waste water treatment device of a waste transfer station includes a set of water level detection sensors 1, a water inlet control valve 2, a waste water treatment device 7, a programmable logic controller 3, a power supply 8, a data transmission unit 4, a first data encryption module 9, a second data encryption module 10, a cloud server 5, and a plurality of computer terminals 6.
The water level detection sensor 1 is installed on the inner wall of a sewage bucket of the wastewater treatment device 7 and connected to the programmable logic controller 3, the wastewater volume data in the sewage bucket is converted into analog quantity and transmitted to the programmable logic controller 3, the current wastewater volume in the sewage bucket is calculated through a formula, the programmable logic controller 3 is connected to the water inlet control valve 2 of the wastewater treatment device 7 and used for controlling the wastewater inlet volume of the device, when the wastewater volume in the sewage bucket reaches the limit, the water inlet control valve 2 is closed, otherwise, the water inlet control valve 2 is opened. The power supply 8 is connected with the programmable logic controller 3 and the data transmission unit 4 and used for supplying power to the programmable logic controller 3, the data transmission unit 4 connects the programmable logic controller 3 with the cloud server 5 to complete data communication between the programmable logic controller and the cloud server, and the computer terminal 6 is connected with the cloud server 5 and used for displaying and controlling the real-time operation condition of the device.
The water level sensor 1 transmits the acquired electric signals to the programmable logic controller 3, the current wastewater capacity in the sewage bucket is calculated through a processing chip in the programmable logic controller 3, and a calculation formula is set according to the positions of different sensors and the types of the different sensors. On one hand, the programmable logic controller 3 controls the water inlet control valve 2 of the wastewater treatment device 7 according to a calculated result, on the other hand, data are transmitted to the data transmission unit 4, a modbus-rtu protocol is used, the data transmission unit 4 is a master station, the programmable logic controller 3 is a slave station, the data transmission unit 4 sends a data acquisition command to the programmable logic controller 3 through a 485 serial port, and the programmable logic controller 3 transmits the value of a corresponding register back to the data transmission unit 4 to complete one-time data communication. And then the data transmission unit 4 transmits the acquired data to the cloud server 5 in a fixed data structure through a TCP/IP protocol, a data receiving program is arranged on the cloud server 5, the received data is calculated and processed, and then the result is stored in a cloud database. There will be one data security verification in between: when data reaches the first data encryption module 9, the data is encrypted by using a DES encryption algorithm and a secret key stored in the first data encryption module 9 in advance, the encrypted data is transmitted to the second data encryption module 10, the second data encryption module 10 decrypts the data by using the DES encryption algorithm and the secret key stored in the second data encryption module 10 in advance, the decrypted data and parameters written in the server 5 are subjected to authority confirmation, after the confirmation is passed, the data are stored in a database, if the data do not pass, the illegal data are discarded, events are recorded in potential safety hazards, and unified inspection can be carried out.
More specifically, a data encryption module I is connected to a data transmission unit, a data encryption module II is connected to a cloud server, then the same secret keys with 8 bytes are respectively stored in the two data encryption modules, communication between the data transmission unit and the cloud server is carried out, parameters of a wastewater treatment device are written into the cloud server, when the device uploads data to the server, data transmission is from the data transmission unit to the cloud server, the data is subjected to DES symmetric encryption when reaching the data encryption module I, the data is firstly divided into blocks according to the 8 bytes, because the DES symmetric encryption algorithm uses 8 bytes as one block for encryption, one data block is encrypted by one data block, a ciphertext obtained after 8-byte plaintext encryption is also 8 bytes, if the length of the plaintext is not an integral multiple of the 8 bytes, the added bytes which are 0 are an integral multiple of the 8 bytes, the length of the encrypted ciphertext is determined to be an integral multiple of 8 bytes, different code pages are designated by the data plaintext through Encoding, a character string is converted into codes corresponding to the different code pages, the codes are changed into byte [ ] form, then the byte [ ] byte stream plaintext is encrypted by using DES algorithm and a pre-stored 8-byte key to generate byte [ ] byte stream ciphertext, the ciphertext is transmitted to a data encryption module II after being encrypted, the data encryption module II decrypts the ciphertext by using DES algorithm and the pre-stored 8-byte key after receiving the ciphertext to generate byte [ ] byte stream plaintext, finally the code page used by the Encoding during encryption is used for converting the byte [ ] form plaintext into a proper character string, then the authority is confirmed according to the parameters written in the server in advance, after the data pass through confirmation, the data are stored in a database, if the data do not pass through, the data are illegal data, should throw away, and record the incident among the potential safety hazard, can carry out unified inspection.
When a computer terminal issues an operation instruction to a device, the instruction is transmitted from the computer terminal to a cloud server and then to a data transmission unit, when the data reaches a data encryption module II, the data is encrypted firstly, then the data is packaged and transmitted to the data encryption module I to be decrypted in the data encryption module I, after decryption, whether the authority of an operator of the instruction is authorized to verify whether the operator has the operation authority or not is verified, whether the instruction is legally and safely operated or not is verified, if the instruction passes verification, the instruction is transmitted to a programmable logic controller to control a wastewater treatment device to perform corresponding action, if the instruction fails verification, the instruction is abandoned and recorded in an alarm, then the alarm data server is transmitted to the alarm data server, and when the operator has higher authority, the operator checks and maintains the alarm data server.
A web service background is developed in the cloud server 5 by using a python language, a tornado framework is applied and used for data interaction with the computer terminal 6, the computer terminal 6 sends a data acquisition instruction to the web service background, and the background program returns data acquired from the database to the computer terminal 6.
When a technician needs to control the on-off of the water inlet control valve 2 of the wastewater treatment device 7, a corresponding instruction can be sent to the cloud server 5 through the computer terminal 6, the cloud server 5 transmits the instruction to the data transmission unit 4, when the data reaches the data encryption module two 10, the data is encrypted firstly, then is packaged and transmitted to the data encryption module one 9 for decryption in the data encryption module one 9, after decryption, the authority verification is carried out on the operator of the instruction whether the operator has the operation authority or not, then the instruction is verified whether the operation is legal and safe or not, if the verification is passed, the data transmission unit 4 sends a register setting instruction to the programmable logic controller 3, the programmable logic controller 3 reads a well-agreed register value and analyzes the register value into an instruction action, then controls the action of the wastewater treatment device 7 and replies that the setting is successfully set to the computer terminal 6, and after the computer terminal 6 is replied, displaying the successfully set state to the staff. If the verification fails, the instruction is discarded and recorded in the alarm, and the alarm data is transmitted to the server for later inspection and maintenance by more authorized personnel.
Claims (8)
1. The utility model provides a remote control system for rubbish transfer station effluent treatment plant which characterized in that: the system comprises a water level detection sensor, a water inlet control valve, a wastewater treatment device, a programmable logic controller, a power supply, a data transmission unit, a data encryption module, a cloud server and a plurality of computer terminals, wherein the water level detection sensor is arranged on the inner wall of a sewage barrel of the wastewater treatment device and transmits a water level signal to the programmable logic controller, the programmable logic controller is connected with the water inlet control valve of the wastewater treatment device and is used for controlling the water inlet size of wastewater, the water inlet control valve is closed when the wastewater capacity in the sewage barrel reaches the limit, otherwise, the water inlet control valve is opened, the power supply is connected with the programmable logic controller and is used for supplying power to the controller, the data transmission unit connects the programmable logic controller with the cloud server to complete data communication between the programmable logic controller and the cloud server, and the computer terminals are connected with the cloud server and are used for, the data encryption module is respectively connected with the data transmission unit and the cloud server and is used for encrypting and decrypting the transmitted data and verifying the authority.
2. The remote control system for the waste water treatment apparatus of the garbage transfer station according to claim 1, wherein: the data encryption module comprises a first data encryption module and a second data encryption module, the first data encryption module is connected with the data transmission unit, the second data encryption module is connected with the cloud server, when the data transmitted by the data transmission unit arrives at the first data encryption module, the data is encrypted by a DES encryption algorithm and a secret key stored in the first data encryption module in advance, then the encrypted data is transmitted to a second data encryption module, the second data encryption module decrypts the data by using a DES encryption algorithm and a secret key stored in the second data encryption module in advance, the decrypted data and the parameters written in the server carry out authority confirmation, and after the confirmation is passed, the data is stored in a database, if not, the illegal data should be discarded, and the event is recorded in the safety hazard, so that the unified check can be carried out.
3. The remote control system for the waste water treatment apparatus of the garbage transfer station according to claim 1, wherein: the cloud server is provided with database software for storing data, and the data are stored by using the database software.
4. The remote control system for the waste water treatment apparatus of the garbage transfer station according to claim 3, wherein: the method comprises the steps that water level sensors are installed in sewage barrels of the wastewater treatment device according to different depths, sensed water levels are converted into changed electric signals and transmitted to a controller, the controller calculates the value of each sensor according to the positions of the different sensors by using corresponding conversion ratios according to the received electric signals, then the sensors with obviously wrong data are removed according to an algorithm, the data collected by the rest sensors are averaged, the final wastewater capacity is calculated, the programmable logic controller transmits the calculated data to a data transmission unit, and the data transmission unit transmits the data to a cloud server through a wireless data unit and stores the data in a database.
5. The remote control system for the waste water treatment apparatus of the garbage transfer station according to claim 1, wherein: the programmable logic controller is provided with a touch screen for displaying data and modifying parameters, so that the data can be directly displayed on the programmable logic controller for operation.
6. The remote control system for the waste water treatment apparatus of the garbage transfer station according to claim 1, wherein: the remote control terminal can use a WeChat applet and a mobile phone APP.
7. The remote control system for the waste water treatment apparatus of the garbage transfer station according to claim 1, wherein: the programmable logic controller periodically compares the sensor data longitudinally and transversely, and inquires whether a sensor which is in data abnormity for a long time exists.
8. The remote control system for the waste water treatment apparatus of the garbage transfer station according to claim 1, wherein: the programmable logic controller is provided with a storage module for storing data.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113542312A (en) * | 2020-04-11 | 2021-10-22 | 宁波博衍环境科技有限公司 | Remote control system for waste water treatment device of garbage transfer station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113542312A (en) * | 2020-04-11 | 2021-10-22 | 宁波博衍环境科技有限公司 | Remote control system for waste water treatment device of garbage transfer station |
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Effective date of registration: 20230116 Address after: No. 788, Tonghui Road, Jiangbei District, Ningbo, Zhejiang 315033 Patentee after: ZHEJIANG BAOCHENG MACHINERY TECHNOLOGY Co.,Ltd. Address before: 315033 4th floor, building 73, 699 TONGNING Road, Jiangbei District, Ningbo City, Zhejiang Province Patentee before: Ningbo Boyan Environmental Technology Co.,Ltd. |
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