CN115448393A - Control system and method for town sewage treatment equipment - Google Patents
Control system and method for town sewage treatment equipment Download PDFInfo
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- CN115448393A CN115448393A CN202211164294.2A CN202211164294A CN115448393A CN 115448393 A CN115448393 A CN 115448393A CN 202211164294 A CN202211164294 A CN 202211164294A CN 115448393 A CN115448393 A CN 115448393A
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- sewage treatment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/22—O2
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Flow Control (AREA)
Abstract
The invention relates to the technical field of sewage treatment, in particular to a control system and a control method for town sewage treatment equipment; the sewage treatment system comprises a plurality of sewage treatment lines provided with a plurality of sewage treatment devices and an acquisition instrument module; a fuzzification processing module; a communication module; a monitoring module; and a PLC control terminal, after receiving measured data and control intention, carry out operation adjustment to each sewage treatment device on the sewage treatment line, in order to satisfy the processing requirement of different sewage, in time send warning signal to the user according to the monitoring result simultaneously, on prior art's basis, improve control system's structure, through setting up fuzzification processing module, in many sewage treatment lines, utilize fuzzification processing module to deal with different sewage circumstances, and order about PLC control terminal to send different pertinence control command, and then effectively promote control system's application scope, also effectively reduce artifical intensity of labour.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a control system and a control method for urban sewage treatment equipment.
Background
Along with the development of cities and towns, the number of people in cities and towns also gradually increases, therefore, more and more domestic sewage can be generated in the production and life of personnel, and the realization of the treatment of the domestic sewage is also a more urgent problem.
Disclosure of Invention
The invention aims to provide a control system and a control method for town sewage treatment equipment, which aim to adjust the operation parameters of the sewage treatment equipment under different sewage conditions.
In order to achieve the above object, the present invention provides a control system for town sewage treatment facilities, comprising a plurality of sewage treatment lines provided with a plurality of sewage treatment facilities,
the sewage treatment system also comprises acquisition instrument modules which are distributed on each sewage treatment line so as to measure the sewage parameters of each node on the sewage treatment line to obtain measurement data, and the measurement data are transmitted to the fuzzification processing module through the communication module;
the fuzzification processing module is used for fuzzifying the measurement data after receiving the measurement data, and outputting a control suggestion to the PLC control terminal according to a fuzzification processing result;
the communication module is used for meeting the communication requirements between the PLC control terminal and each sewage treatment device, the acquisition instrument module, the fuzzification processing module and the monitoring module and transmitting a control instruction of the PLC control terminal;
the monitoring module is arranged on each node of the sewage treatment line to monitor whether the sewage treatment equipment is adjusted according to the control command of the PLC control terminal and transmit the monitoring result to the PLC control terminal;
and the PLC control terminal is used for adjusting the operation of each sewage treatment device on the sewage treatment line after receiving the measurement data and the control idea so as to meet the treatment requirements of different sewages, and simultaneously sending warning signals to users in time according to the monitoring results.
The system comprises a collection instrument module, a fuzzification processing module, a communication module, a PLC control terminal and a monitoring module, wherein the collection instrument module is used for collecting sewage parameters of each sewage treatment line so as to obtain measurement data, the obtained measurement data are transmitted to the fuzzification processing module, the fuzzification processing module is used for fuzzifying the measurement data so as to obtain a fuzzification processing result, the fuzzification processing result is transmitted to the PLC control terminal, the PLC control terminal is used for controlling sewage treatment equipment in a mode of adjusting the collection instrument module according to the fuzzification processing result, and further controlling sewage, the communication module is used for carrying out communication among the modules, the monitoring module is used for confirming that a control instruction of the PLC control terminal is accurately executed so as to avoid the condition that the tail end of the whole system fails, different control instructions are arranged in the PLC control terminal, and control instructions are output according to the fuzzification processing result.
The acquisition instrument module comprises a DO sensor and an execution mechanism, the DO sensor is arranged in a node on a sewage treatment line and used for acquiring the dissolved oxygen amount of sewage in related sewage treatment equipment and transmitting the data to the fuzzification processing module and the PLC control terminal through the communication module, the execution mechanism is connected with the monitoring module, and the execution mechanism is also remotely connected with the PLC control terminal through the communication module so as to execute a control instruction of the PLC control terminal on the sewage treatment equipment.
The DO sensor is used for sensing the dissolved oxygen of sewage in the sewage treatment line, the dissolved oxygen is used as a treatment index, the operation of the fuzzification treatment module and the operation of the PLC control terminal are controlled and adjusted, the execution mechanism is used for executing a control instruction of the PLC control terminal, the operation of sewage treatment equipment is controlled through the execution mechanism, and the targeted treatment of different kinds of sewage is realized.
The actuating mechanism comprises a motor, a frequency converter and a control valve, the motor, the frequency converter and the control valve are all electrically connected with sewage treatment equipment, and the motor, the frequency converter and the control valve are all connected with the monitoring module.
The fuzzification module comprises a feedback unit and a fuzzification processing unit, the fuzzification processing unit is electrically connected with the DO sensor to fuzzify measurement data collected by the DO sensor, the feedback unit is connected with the PLC control terminal to perform difference analysis on actual measurement data and subsequent measurement data after a control instruction of the PLC control terminal is executed, and corresponding control rules are selected to perform fuzzy control so as to improve the control accuracy of the PLC control terminal.
In the fuzzification processing process, after the measured data are converted into fuzzy variables according to a certain corresponding relation, fuzzification reasoning is carried out, the dissolved oxygen is used as an index in the application, namely, the more accurate measured data obtained by the DO sensor are classified into adjacent measuring domains and output into the PLC control terminal, and a control instruction preset in the PLC control terminal is triggered, so that the PLC control terminal outputs the control instruction into a corresponding sewage treatment line to carry out targeted control, the sewage conditions in different sewage treatment lines are dealt with, the targeted control is met, and the labor intensity of manual control is effectively reduced.
The invention also provides a control method of the town sewage treatment equipment, which is applied to the control system of the town sewage treatment equipment,
the control method comprises the following steps:
dividing measurement data possibly acquired by a single sewage treatment line into a plurality of measurement domains which are distributed from small to large according to the numerical value;
acquiring measurement data of each sewage treatment line according to an acquisition instrument module, performing fuzzification treatment by a fuzzification treatment module, and outputting a control suggestion to the PLC control terminal by taking the closest measurement domain as a fuzzification treatment result;
the PLC control terminal receives the fuzzification processing result to output control suggestions and measurement data, and then outputs control instructions to adjust each sewage treatment device according to preset control rules;
starting a monitoring module to monitor whether each sewage treatment device adjusts the sewage treatment device according to the control instruction, and if not, outputting a warning signal to the PLC control terminal;
and if the sewage treatment equipment is adjusted according to the control instruction, the acquisition instrument module is started again to acquire subsequent measurement data, the feedback unit is used for determining whether the difference value between the subsequent measurement data and the expected measurement data is within the threshold value, if so, the operation is kept, if not, the adjacent large measurement domain is used as a fuzzification processing result to output a control suggestion to the PLC control terminal, and iteration is carried out until the difference value reaches within the threshold value.
The control method is provided corresponding to the improvement of the control system and the adaptability, the adjustment of the sewage treatment equipment is realized by utilizing the fuzzification control, and the sewage is treated by the sewage treatment equipment, so that the domestic sewage can meet the adjustment requirement aiming at the domestic sewage, and the accuracy and the working efficiency of the sewage treatment are effectively improved.
According to the control system and the control method for the town sewage treatment equipment, the structure of the control system is improved on the basis of the prior art, the fuzzification processing module is arranged, the fuzzification processing module is utilized to deal with different sewage conditions in a plurality of sewage treatment lines, and the PLC control terminal is driven to send different targeted control instructions, so that the application range of the control system is effectively enlarged, and the manual labor intensity is also effectively reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a control system of town sewage treatment equipment provided by the invention.
FIG. 2 is a schematic flow diagram of the fuzzification process of the control system of the town sewage treatment equipment provided by the invention.
FIG. 3 is a schematic step diagram of a method for controlling town sewage treatment equipment provided by the invention.
101-sewage treatment line, 102-sewage treatment equipment, 103-acquisition instrument module, 104-fuzzification treatment module, 105-communication module, 106-monitoring module, 107-PLC control terminal, 108-DO sensor, 109-actuating mechanism, 110-motor, 111-frequency converter, 112-control valve, 113-feedback unit, 114-fuzzification treatment unit, 115-video shooting sub-module and 116-comparison unit.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.
Referring to fig. 1 to 2, the present invention provides a control system for town sewage treatment facilities 102, comprising a plurality of sewage treatment lines 101 provided with a plurality of sewage treatment facilities 102,
the sewage treatment system further comprises an acquisition instrument module 103, wherein the acquisition instrument module 103 is distributed on each sewage treatment line 101 so as to measure sewage parameters of each node on the sewage treatment line 101 to obtain measurement data, and the measurement data are transmitted to the fuzzification processing module 104 through the communication module 105;
the fuzzification processing module 104 is used for fuzzifying the measurement data after receiving the measurement data, and outputting a control suggestion to the PLC control terminal 107 according to a fuzzification processing result;
the communication module 105 is used for meeting the communication requirements between the PLC control terminal 107 and each of the sewage treatment equipment 102, the collection instrument module 103, the fuzzification processing module 104 and the monitoring module 106, and is also used for transmitting a control instruction of the PLC control terminal 107;
a monitoring module 106, which is disposed at each node of the sewage treatment line 101, to monitor whether the sewage treatment apparatus 102 is adjusted according to the control command of the PLC control terminal 107, and to transmit the monitoring result to the PLC control terminal 107;
and the PLC control terminal 107 is used for adjusting the operation of each sewage treatment device 102 on the sewage treatment line 101 after receiving the measurement data and the control idea so as to meet the treatment requirements of different sewages, and simultaneously sending out warning signals to users in time according to the monitoring results.
The method comprises the steps that the acquisition instrument module 103 is used for acquiring sewage parameters of each sewage treatment line 101 so as to acquire measurement data, the acquired measurement data are transmitted to the fuzzification processing module 104, the fuzzification processing module 104 is used for fuzzification processing on the measurement data so as to acquire fuzzification processing results, the fuzzification processing results are transmitted to the PLC control terminal 107, the PLC control terminal 107 is enabled to control the sewage treatment equipment 102 in a mode of adjusting the acquisition instrument module 103 according to the fuzzification processing results, further control over sewage is achieved, the communication module 105 is used for bearing communication work among the modules, the monitoring module 106 is used for confirming that control instructions of the PLC control terminal 107 are accurately executed so as to avoid the condition that the tail end of the whole system fails, different control instructions are arranged in the PLC control terminal 107, and control opinions are output according to the fuzzification processing results so as to output corresponding control instructions.
Further, the collecting instrument module 103 comprises a DO sensor 108 and an executing mechanism 109, the DO sensor 108 is disposed in a node on the sewage treatment line 101, and is used for collecting the dissolved oxygen amount of the sewage in the sewage treatment device 102 concerned, and transmitting the data to the fuzzification processing module 104 and the PLC control terminal 107 through the communication module 105, the executing mechanism 109 is connected with the monitoring module 106, and the executing mechanism 109 is also remotely connected with the PLC control terminal 107 through the communication module 105, so as to execute the control instruction of the PLC control terminal 107 on the sewage treatment device 102.
The DO sensor 108 is configured to sense a dissolved oxygen amount of the sewage in the sewage treatment line 101, and control and adjust operations of the fuzzification processing module 104 and the PLC control terminal 107 by using the dissolved oxygen amount as a treatment index, and the execution mechanism 109 is configured to execute a control instruction of the PLC control terminal 107, and control operations of the sewage treatment device 102 through the execution mechanism 109, so as to implement targeted treatment on different sewages.
Further, the actuator 109 includes a motor 110, a frequency converter 111 and a control valve 112, the motor 110, the frequency converter 111 and the control valve 112 are all electrically connected to the sewage treatment device 102, and the motor 110, the frequency converter 111 and the control valve 112 are all connected to the monitoring module 106.
Further, the fuzzification module includes a feedback unit 113 and a fuzzification processing unit 114, the fuzzification processing unit 114 is electrically connected to the DO sensor 108 to perform fuzzification processing on the measurement data acquired by the DO sensor 108, the feedback unit 113 is connected to the PLC control terminal 107 to perform difference analysis on the actual measurement data and the subsequent measurement data after the control instruction of the PLC control terminal 107 is executed, so as to select a corresponding control rule for fuzzy control, so as to improve the control accuracy of the PLC control terminal 107.
In the fuzzification processing process, after the measurement data are converted into fuzzy variables according to a certain corresponding relation, fuzzification reasoning is carried out, in the application, the dissolved oxygen is used as an index, namely, the more accurate measurement data obtained by the DO sensor 108 are classified into adjacent measurement domains and output to the PLC control terminal 107, and a preset control instruction in the PLC control terminal 107 is triggered, so that the PLC control terminal 107 outputs the control instruction to the corresponding sewage treatment line 101 for targeted control, the sewage conditions in different sewage treatment lines 101 are dealt with, the targeted control is met, and the labor intensity of manual control is effectively reduced.
Further, the monitoring module 106 includes a video shooting submodule 115 and a comparison unit 116, the video shooting submodule 115 is disposed outside the parameter display panel of the motor 110, the frequency converter 111 and the control valve 112 to shoot each parameter, and the comparison unit 116 is configured to compare the shot parameter with an initial parameter to determine whether to adjust the sewage treatment apparatus 102 according to the control instruction by the execution mechanism 109.
The monitoring module 106 utilizes the video shooting submodule 115 to capture a picture of the collection instrument module 103, and the comparison unit 116 compares parameters on the captured picture with preset parameters to determine that the collection instrument module 103 operates according to a control instruction.
Referring to fig. 3, the present invention further provides a control method of the town sewage treatment equipment 102, which is applied to the control system of the town sewage treatment equipment 102 as described above,
the control method comprises the following steps:
s1: dividing measurement data possibly acquired by a single sewage treatment line 101 into a plurality of measurement domains which are distributed from small to large according to the numerical value;
s2: acquiring measurement data of each sewage treatment line 101 according to an acquisition instrument module 103, performing fuzzification treatment by a fuzzification treatment module 104, and outputting control opinions to the PLC control terminal 107 by taking the closest measurement domain as a fuzzification treatment result;
s3: after receiving the fuzzification processing result output control suggestion and the measurement data, the PLC control terminal 107 outputs a control instruction according to a preset control rule to adjust each sewage treatment device 102;
s4: starting a monitoring module 106 to monitor whether each sewage treatment device 102 adjusts the sewage treatment device 102 according to the control instruction, and if not, outputting a warning signal to the PLC control terminal 107;
s5: if the sewage treatment equipment 102 is adjusted according to the control instruction, the acquisition instrument module 103 is started again to acquire subsequent measurement data, the feedback unit 113 is used for determining whether the difference value between the subsequent measurement data and the expected measurement data is within the threshold value, if so, the operation is kept, if not, the adjacent large measurement domain is used as a fuzzification processing result to output a control suggestion to be transmitted to the PLC control terminal 107, and iteration is performed until the difference value is within the threshold value.
The control method is provided corresponding to the improvement of the control system and the adaptability, the sewage treatment equipment 102 is adjusted by fuzzification control, and sewage is treated by the sewage treatment equipment 102, so that domestic sewage can meet the adjustment requirement aiming at the domestic sewage, and the accuracy and the working efficiency of sewage treatment are effectively improved.
According to the control system and the control method of the town sewage treatment equipment 102, the structure of the control system is improved on the basis of the prior art, the fuzzification processing module 104 is arranged, the fuzzification processing module 104 is utilized to deal with different sewage conditions in a plurality of sewage treatment lines 101, the PLC control terminal 107 is driven to send different targeted control instructions, the application range of the control system is further effectively enlarged, and the manual labor intensity is also effectively reduced.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (5)
1. A control system of town sewage treatment equipment comprises a plurality of sewage treatment lines provided with a plurality of sewage treatment equipment and is characterized in that,
the sewage treatment system is characterized by also comprising acquisition instrument modules, wherein the acquisition instrument modules are distributed on each sewage treatment line so as to measure the sewage parameters of each node on the sewage treatment line to obtain measurement data, and the measurement data are transmitted to the fuzzification processing module through the communication module;
the fuzzification processing module is used for fuzzifying the measurement data after receiving the measurement data, and outputting a control suggestion to the PLC control terminal according to a fuzzification processing result;
the communication module is used for meeting the communication requirements between the PLC control terminal and each sewage treatment device, the acquisition instrument module, the fuzzification processing module and the monitoring module, and is also used for transmitting the control instruction of the PLC control terminal;
the monitoring module is arranged on each node of the sewage treatment line to monitor whether the sewage treatment equipment is adjusted according to the control command of the PLC control terminal and transmit the monitoring result to the PLC control terminal;
and the PLC control terminal is used for adjusting the operation of each sewage treatment device on the sewage treatment line after receiving the measurement data and the control idea so as to meet the treatment requirements of different sewages, and simultaneously sending warning signals to users in time according to the monitoring results.
2. The town sewage treatment facility control system according to claim 1,
the acquisition instrument module comprises a DO sensor and an execution mechanism, the DO sensor is arranged in a node on a sewage treatment line and used for acquiring the dissolved oxygen amount of sewage in related sewage treatment equipment and transmitting the data to the fuzzification processing module and the PLC control terminal through the communication module, the execution mechanism is connected with the monitoring module, and the execution mechanism is remotely connected with the PLC control terminal through the communication module so as to execute a control instruction of the PLC control terminal on the sewage treatment equipment.
3. The control system of town sewage treatment facilities according to claim 2,
the actuating mechanism comprises a motor, a frequency converter and a control valve, the motor, the frequency converter and the control valve are electrically connected with sewage treatment equipment, and the motor, the frequency converter and the control valve are connected with the monitoring module.
4. The town sewage treatment facility control system according to claim 3,
the fuzzification module comprises a feedback unit and a fuzzification processing unit, the fuzzification processing unit is electrically connected with the DO sensor to fuzzify measurement data collected by the DO sensor, the feedback unit is connected with the PLC control terminal to perform difference analysis on actual measurement data and subsequent measurement data after a control instruction of the PLC control terminal is executed, a corresponding control rule is selected to perform fuzzy control, and control precision of the PLC control terminal is improved.
5. A control method of town sewage treatment equipment, which is applied to the control system of the town sewage treatment equipment as claimed in claim 4,
the control method comprises the following steps:
dividing measurement data possibly acquired by a single sewage treatment line into a plurality of measurement domains which are distributed from small to large according to the numerical value;
acquiring measurement data of each sewage treatment line according to an acquisition instrument module, performing fuzzification treatment by a fuzzification treatment module, and outputting a control suggestion to the PLC control terminal by taking the closest measurement domain as a fuzzification treatment result;
after receiving the fuzzification processing result output control suggestion and the measurement data, the PLC control terminal outputs a control instruction according to a preset control rule to adjust each sewage treatment device;
starting a monitoring module to monitor whether each sewage treatment device adjusts the sewage treatment device according to the control instruction, and if not, outputting a warning signal to the PLC control terminal;
and if the sewage treatment equipment is adjusted according to the control instruction, the acquisition instrument module is restarted to acquire subsequent measurement data, the feedback unit is used for determining whether the difference value between the subsequent measurement data and the expected measurement data is within the threshold value, if so, the operation is kept, if not, the adjacent larger measurement domain is used as a fuzzification processing result to output a control suggestion to be transmitted to the PLC control terminal, and iteration is carried out until the difference value is within the threshold value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211164294.2A CN115448393A (en) | 2022-09-23 | 2022-09-23 | Control system and method for town sewage treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211164294.2A CN115448393A (en) | 2022-09-23 | 2022-09-23 | Control system and method for town sewage treatment equipment |
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| CN115448393A true CN115448393A (en) | 2022-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211164294.2A Withdrawn CN115448393A (en) | 2022-09-23 | 2022-09-23 | Control system and method for town sewage treatment equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116881617A (en) * | 2023-07-12 | 2023-10-13 | 武汉万数科技有限公司 | Equipment abnormality detection method and device |
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2022
- 2022-09-23 CN CN202211164294.2A patent/CN115448393A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116881617A (en) * | 2023-07-12 | 2023-10-13 | 武汉万数科技有限公司 | Equipment abnormality detection method and device |
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Application publication date: 20221209 |
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