CN114545859A - Automatic control technology for sewage treatment - Google Patents
Automatic control technology for sewage treatment Download PDFInfo
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- CN114545859A CN114545859A CN202210205752.6A CN202210205752A CN114545859A CN 114545859 A CN114545859 A CN 114545859A CN 202210205752 A CN202210205752 A CN 202210205752A CN 114545859 A CN114545859 A CN 114545859A
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- control
- hmi
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- sewage treatment
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/15—Plc structure of the system
- G05B2219/15028—Controller and device have several formats and protocols, select common one
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Selective Calling Equipment (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
The invention relates to the technical field of sewage treatment, in particular to a sewage treatment automatic control technology, which comprises a control system and is characterized in that: the control system is composed of a PLC controller, an HMI touch screen, a high-precision electric energy meter, a surge protection device, a temperature sensor, a liquid level controller, an ultrasonic flowmeter and a remote control module. This sewage treatment automated control technique, through the PLC controller, input module, data acquisition system module, drive module and alarm module, the automatic control system who constructs, can be when gathering data, realize the signal reading to external equipment through HMI operation interface, data processing, functions such as control command output, accomplish the supervision and control to the system object, make things convenient for operation personnel real-time observation system's operational aspect, improve the execution visibility of system, the problem that the timely feedback system appears, both guaranteed the safe and reliable of sewage treatment technology operation, can effectively improve the treatment effeciency again, reduce the energy consumption, reduce the cost of labor.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage treatment automatic control technology.
Background
In recent years, sewage treatment plants have become one of the most important infrastructures in various cities and towns, especially in medium and small cities, new construction or expansion of sewage treatment plants has become the first major task for local governments to improve the living standard of people, and along with the continuous development of automation technology in various industries, the automation level of the sewage treatment industry is also rapidly improved.
The early control systems mostly adopt point-to-point control of electric elements such as relays, contactors and the like, and along with the continuous improvement of control requirements and precision, the control methods cannot meet the control requirements of modern sewage treatment systems, and control methods such as DC, FCS, PLC and the like are used instead, so that a sewage treatment automatic control technology is provided to solve the problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a sewage treatment automatic control technology, has the advantages of safety, reliability and the like, and solves the problem that the control requirement of a modern sewage treatment system cannot be met.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: sewage treatment automated control technique, including control system, its characterized in that: the control system consists of a PLC (programmable logic controller), an HMI (human machine interface) touch screen, a high-precision electric energy meter, a surge protection device, a temperature sensor, a liquid level controller, an ultrasonic flowmeter and a remote control module.
Preferably, the PLC controller uses a ModbusRTU/ASCII (RS 232+ RS 485) protocol, a free communication protocol, a high-speed parallel bus, and the like communication protocols, and the HMI touch screen uses a ModbusRTU/ASCII (RS 232+ RS 485) protocol, a free communication protocol, a high-speed parallel bus, and the like communication protocols.
Preferably, the high-precision electric energy meter monitors the power consumption, the voltage, the current and the accumulated power consumption of the whole system in real time, and the temperature sensors collect temperature signals by using Pt100, Pt1000, Cu50 and Cu100 thermal resistors and S, K, T, E, J, B, N, R, Wre3/25Wre5/26, [0, 20] mV, [0, 50] mV and [0, 100] mV thermocouples through a ModBus-RTU-RS485 or DL/T645-2007 communication protocol.
Preferably, the liquid level controller detects the high and low liquid levels through a mechanical or electronic method, the remote control transmits the HMI interface to the cloud end in real time through modes such as TCP/IP, 4G network and MQTT protocol, and the PC end and the APP end can be connected in real time.
Preferably, the control system takes a PLC controller and an HMI touch screen as a core;
the PLC control flow is as follows:
the control mode comprises local manual control and automatic control:
and (3) local manual control: each external device can realize manual single machine start-stop operation on the HMI touch screen, and operation records can be stored in real time;
automatic control: the whole system controls internal programs and operation parameters set by operators in a touch mode on an HMI (human machine interface) through PLC (programmable logic controller) logic, external equipment runs periodically or intermittently, and equipment state control is carried out through auxiliary instruments such as a temperature sensor, a liquid level controller and a flow sensor;
HMI control flow:
the process flow interface is as follows: visually displaying, namely dynamically and graphically displaying the sewage process flow, and performing control operation, data reading, operation parameter setting and the like on equipment;
emergency disposal of alarm information: the method comprises the following steps that related alarm information such as electrical equipment fault information, sensor fault information, on-line analysis instrument fault information, control system fault information and system communication fault information in a PLC system is detected in real time, fault level judgment is carried out at the same time, corresponding automatic operation is carried out according to an internal logic control program, and real-time synchronization is carried out on an HMI (human machine interface) for display;
and (3) displaying data: the PLC is used for collecting equipment operation data, temperature data, power consumption data, flow data and the like, the HMI is used for visually displaying the data, and trend curve analysis, equipment state display, operation record storage and the like are carried out on the data;
remote: the remote PC end and the APP end can realize real-time on-screen display, and through permission setting, operation, parameter setting, data reading, monitoring video picture transmission and the like are carried out on system equipment.
Preferably, the control system defaults to an automatic control mode, and after the control system is switched to a local manual mode, the control system is detected by the system and automatically switched to the automatic control mode after preset time.
Preferably, the alarm signal of the control system can be transmitted to the operator in a short message mode, a WeChat mode, an email mode and the like.
(III) advantageous effects
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
this sewage treatment automated control technique, through the PLC controller, input module, data acquisition system module, drive module and alarm module, the automatic control system who constructs, can be when gathering data, realize the signal reading to external equipment through HMI operation interface, data processing, functions such as control command output, accomplish the supervision and control to the system object, make things convenient for operation personnel real-time observation system's operational aspect, improve the execution visibility of system, the problem that the timely feedback system appears, both guaranteed the safe and reliable of sewage treatment technology operation, can effectively improve the treatment effeciency again, reduce the energy consumption, reduce the cost of labor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows: the automatic control technology for sewage treatment comprises a control system, wherein the control system consists of a PLC (programmable logic controller), an HMI (human machine interface Unit) touch screen, a high-precision electric energy meter, a surge protection device, a temperature sensor, a liquid level controller, an ultrasonic flowmeter and a remote control module, the PLC uses communication protocols such as ModbusRTU/ASCII (RS 232+ RS 485) protocol, a free communication protocol and a high-speed parallel bus, the HMI touch screen monitors the power consumption, the voltage, the current and the accumulated power consumption of the whole system in real time through the communication protocols such as the ModbusRTU/ASCII (RS 232+ RS 485) protocol, the free communication protocol and the high-speed parallel bus, the temperature sensor uses Pt100, Pt1000, Cu50, Cu100 thermal resistance and S, K, T, E, J, B, N, R, Wre3/25Wre5/26, [0, 20] mV, Temperature signals are acquired by thermocouples of [0, 50] mV and [0, 100] mV, a liquid level controller detects high and low liquid levels through a mechanical or electronic method, remote control transmits an HMI interface to a cloud end in real time through modes of TCP/IP, a 4G network, an MQTT protocol and the like, and a PC end, an APP end and the like can be connected in real time;
the control system takes a PLC controller and an HMI touch screen as cores;
the PLC control flow is as follows:
the control mode comprises local manual control and automatic control:
and (3) local manual control: each external device can realize manual single machine start-stop operation on the HMI touch screen, and operation records can be stored in real time;
automatic control: the whole system controls an internal program and operation parameters set by an operator in a touch mode on an HMI through PLC logic, external equipment runs periodically or intermittently, and controls the equipment state through auxiliary instruments such as a temperature sensor, a liquid level controller and a flow sensor, the control system defaults to an automatic control mode, and after the automatic control mode is switched to a local manual mode, the automatic control mode is automatically switched to the automatic control mode after preset time through system detection;
HMI control flow:
the process flow interface is as follows: visually displaying, namely dynamically and graphically displaying the sewage process flow, and performing control operation, data reading, operation parameter setting and the like on equipment;
emergency disposal of alarm information: the method comprises the following steps that related alarm information such as electrical equipment fault information, sensor fault information, on-line analysis instrument fault information, control system fault information and system communication fault information in a PLC system is detected in real time, fault level judgment is carried out at the same time, corresponding automatic operation is carried out according to an internal logic control program, and real-time synchronization is carried out on an HMI (human machine interface) for display;
and (3) displaying data: the PLC is used for collecting equipment operation data, temperature data, power consumption data, flow data and the like, the HMI is used for visually displaying the data, and trend curve analysis, equipment state display, operation record storage and the like are carried out on the data;
remote: the remote PC end and the APP end can realize real-time on-screen display, operation, parameter setting, data reading, monitoring video picture transmission and the like are carried out on system equipment through permission setting, and an alarm signal of the control system can be transmitted to an operator through short messages, WeChat, mails and the like.
The invention has the beneficial effects that: through PLC controller, input module, data acquisition system module, drive module and alarm module, an automatic control system who founds, can be when gathering data, realize the signal reading to external equipment through HMI operation interface, data processing, functions such as control command output, accomplish the supervision and the control to the system object, make things convenient for the operation condition of operation personnel real-time observation system, improve the execution visibility of system, the problem that the timely feedback system appears, the safe and reliable of sewage treatment technology operation has both been guaranteed, can effectively improve the treatment effeciency again, reduce the energy consumption, reduce the cost of labor.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Sewage treatment automated control technique, including control system, its characterized in that: the control system consists of a PLC (programmable logic controller), an HMI (human machine interface) touch screen, a high-precision electric energy meter, a surge protection device, a temperature sensor, a liquid level controller, an ultrasonic flowmeter and a remote control module.
2. The automated wastewater treatment control technology according to claim 1, wherein: the PLC controller uses communication protocols such as a ModbusRTU/ASCII (RS 232+ RS 485) protocol, a free communication protocol and a high-speed parallel bus, and the HMI touch screen uses communication protocols such as a ModbusRTU/ASCII (RS 232+ RS 485) protocol, a free communication protocol and a high-speed parallel bus.
3. The automated wastewater treatment control technology according to claim 1, wherein: the high-precision electric energy meter monitors the power consumption, voltage, current and accumulated power consumption of the whole system in real time, and the temperature sensors acquire temperature signals by using Pt100, Pt1000, Cu50 and Cu100 thermal resistors and S, K, T, E, J, B, N, R, Wre3/25Wre5/26, [020] mV, [0, 50] mV and [0, 100] mV thermocouples through a ModBus-RTU-RS485 or DL/T645-2007 communication protocol.
4. The automated wastewater treatment control technology according to claim 1, wherein: the liquid level controller detects the high and low liquid levels through a mechanical or electronic method, the remote control transmits an HMI interface to a cloud end in real time through modes such as TCP/IP, 4G network and MQTT protocol, and the PC end and the APP end can be connected in real time.
5. The automated wastewater treatment control technology according to claim 1, wherein: the control system takes a PLC controller and an HMI touch screen as cores;
the PLC control flow is as follows:
the control mode comprises local manual control and automatic control:
and (3) local manual control: each external device can realize manual single machine start-stop operation on the HMI touch screen, and operation records can be stored in real time;
automatic control: the whole system controls internal programs and operation parameters set by operators in a touch mode on an HMI (human machine interface) through PLC (programmable logic controller) logic, external equipment runs periodically or intermittently, and equipment state control is carried out through auxiliary instruments such as a temperature sensor, a liquid level controller and a flow sensor;
HMI control flow:
the process flow interface is as follows: visually displaying, namely dynamically and graphically displaying the sewage process flow, and performing control operation, data reading, operation parameter setting and the like on equipment;
emergency disposal of alarm information: the method comprises the following steps that related alarm information such as electrical equipment fault information, sensor fault information, on-line analysis instrument fault information, control system fault information and system communication fault information in a PLC system is detected in real time, fault level judgment is carried out at the same time, corresponding automatic operation is carried out according to an internal logic control program, and real-time synchronization is carried out on an HMI (human machine interface) for display;
and (3) displaying data: the PLC is used for collecting equipment operation data, temperature data, power consumption data, flow data and the like, the HMI is used for visually displaying the data, and trend curve analysis, equipment state display, operation record storage and the like are carried out on the data;
remote: the remote PC end and the APP end can realize real-time on-screen display, and through permission setting, operation, parameter setting, data reading, monitoring video picture transmission and the like are carried out on system equipment.
6. The automated wastewater treatment control technology according to claim 5, wherein: the control system defaults to an automatic control mode, and after the control system is switched to a local manual mode, the control system is detected by the system and automatically switched to the automatic control mode after preset time.
7. The automated wastewater treatment control technology according to claim 5, wherein: the alarm signal of the control system can be transmitted to the operator in the modes of short message, WeChat, mail and the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210205752.6A CN114545859A (en) | 2022-03-04 | 2022-03-04 | Automatic control technology for sewage treatment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210205752.6A CN114545859A (en) | 2022-03-04 | 2022-03-04 | Automatic control technology for sewage treatment |
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| CN114545859A true CN114545859A (en) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210205752.6A Pending CN114545859A (en) | 2022-03-04 | 2022-03-04 | Automatic control technology for sewage treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115842969A (en) * | 2022-11-22 | 2023-03-24 | 云南合续环境科技股份有限公司 | Sewage treatment controller |
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| JP2000122707A (en) * | 1998-10-20 | 2000-04-28 | Hitachi Ltd | Testing method for checking function for programmable controller and plant monitor and control device |
| CN102591284A (en) * | 2012-02-20 | 2012-07-18 | 哈尔滨工业大学 | Sewage treatment engineering monitoring system based on wireless sensor network |
| CN109626653A (en) * | 2019-01-21 | 2019-04-16 | 清华大学深圳研究生院 | A kind of integrated equipment for sewage treatment intelligence control system and control method |
| CN110275466A (en) * | 2019-06-06 | 2019-09-24 | 南京理工大学 | Sewage treatment monitoring system and method based on MODBUS agreement |
| CN215333353U (en) * | 2021-06-24 | 2021-12-28 | 广西金投环境科技有限公司 | Prefabricated pump station cell-phone APP remote control system of integration |
-
2022
- 2022-03-04 CN CN202210205752.6A patent/CN114545859A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000122707A (en) * | 1998-10-20 | 2000-04-28 | Hitachi Ltd | Testing method for checking function for programmable controller and plant monitor and control device |
| CN102591284A (en) * | 2012-02-20 | 2012-07-18 | 哈尔滨工业大学 | Sewage treatment engineering monitoring system based on wireless sensor network |
| CN109626653A (en) * | 2019-01-21 | 2019-04-16 | 清华大学深圳研究生院 | A kind of integrated equipment for sewage treatment intelligence control system and control method |
| CN110275466A (en) * | 2019-06-06 | 2019-09-24 | 南京理工大学 | Sewage treatment monitoring system and method based on MODBUS agreement |
| CN215333353U (en) * | 2021-06-24 | 2021-12-28 | 广西金投环境科技有限公司 | Prefabricated pump station cell-phone APP remote control system of integration |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115842969A (en) * | 2022-11-22 | 2023-03-24 | 云南合续环境科技股份有限公司 | Sewage treatment controller |
| CN115842969B (en) * | 2022-11-22 | 2023-09-15 | 云南合续环境科技股份有限公司 | Sewage treatment controller |
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