CN210924268U

CN210924268U - Combined logic control circuit and sewage treatment system

Info

Publication number: CN210924268U
Application number: CN201921914375.3U
Authority: CN
Inventors: 丁经国; 李文生; 罗杰生; 刘然荣
Original assignee: Yunnan Hexun Environmental Technology Co ltd
Current assignee: Yunnan Hexu Environmental Technology Co Ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-07-03
Anticipated expiration: 2029-11-07

Abstract

The application discloses modular logic control circuit and sewage treatment system, modular logic control circuit includes: the device comprises at least one signal input assembly, a control assembly and at least one signal output assembly; each signal input component carries out isolated transmission on at least one path of first communication signal and converts the first communication signal into a path of second communication signal; the control component generates at least one path of first control signal according to at least one path of second communication signal; each signal output assembly processes one path of first control signal and then controls at least one external electrical device to realize a specific circuit function; the switching power supply assembly supplies power for each circuit assembly in an isolated mode.

Description

Combined logic control circuit and sewage treatment system

Technical Field

The application relates to the technical field of electronic circuits, in particular to a combined logic control circuit and a sewage treatment system.

Background

With the rapid development of electronic technology, various circuit centralized control systems are gradually applied to various technical fields, in the process of carrying out centralized control on electronic components, control equipment in the system has extremely important influence on the circuit functions of the electronic components, the circuit states of a plurality of electronic components can be changed in real time through the control equipment, and the circuit centralized control system can meet the actual circuit function requirements of users; taking a PLC (Programmable Logic Controller) system and a PAC (Programmable Automation Controller) system as examples, various circuit control functions can be realized for electronic components by the PLC.

However, when the PLC or PAC is adopted as the central control center in the related art, since electronic circuits in different industrial technical fields need to add or reduce circuit control functions in some aspects according to actual needs of technicians, the internal integrated control mode of the PLC or PAC has been designed in a solidified manner; in addition, in the process of information transmission between control centers such as a PLC and the like and external electrical equipment in the related technology, the centralized control process of the PLC is easily interfered by communication and electric energy transmission of an external interference source, the centralized control quality of electronic components is reduced, and the anti-interference performance is poor.

SUMMERY OF THE UTILITY MODEL

One of the purposes of the embodiment of the application is as follows: the utility model provides a combined logic control circuit and sewage treatment system, aims at solving the centralized control mode among the relevant art and has reliability and compatibility poor, scalability not enough to when being applied to in different industrial environment suffer communication interference and electric energy interference easily, lead to the not good problem of control quality of electronic components.

In order to solve the technical problem, the embodiment of the application adopts the following technical scheme:

in a first aspect, a combined logic control circuit is provided, which includes:

each signal input component is used for accessing at least one path of first communication signal, carrying out isolated transmission on the first communication signal, and processing the first communication signal after isolated transmission to obtain a path of second communication signal;

the control component is connected with the at least one signal input component and used for receiving the at least one path of second communication signal and generating at least one path of first control signal according to the at least one path of second communication signal;

each signal output assembly is connected with the control assembly and is connected with at least one external electrical device, and each signal output assembly is used for processing one path of the first control signal to obtain at least one path of second control signal and controlling the corresponding external electrical device to execute circuit action according to the second control signal; and

and the switching power supply assembly is connected with the at least one signal input assembly, the control assembly and the at least one signal output assembly and is used for receiving the power supply signal output by the power supply equipment to carry out isolated conversion and output when the power supply equipment is connected.

In one embodiment, the method further comprises:

the first communication component is connected with each signal input component and the control component and used for outputting the second communication signal to the control component; and

and the second communication assembly is connected with the control assembly and each signal output assembly and is used for outputting the first control signal to the signal output assembly.

In one embodiment, each of the signal input assemblies comprises:

at least one input detection component, each input detection component is used for accessing one path of the first communication signal;

the at least one first photoelectric isolation component is connected with the at least one input detection component in a one-to-one correspondence manner, and each first photoelectric isolation component is used for carrying out photoelectric isolation transmission on one path of the first communication signal; and

and the input processing component is connected with the switching power supply component, the control component and at least one first photoelectric isolation component and is used for processing at least one path of first communication signals subjected to photoelectric isolation transmission to obtain one path of second communication signals.

In one embodiment, each signal input assembly further comprises:

the first signal acquisition component is connected with at least one input detection component and at least one external electrical device, and is used for acquiring the corresponding operating parameters of the external electrical device and the environmental parameters of a preset area and outputting at least one path of first communication signal;

the input processing component is used for judging the running state of the corresponding external electrical equipment according to the first communication signal after at least one path of photoelectric isolation transmission, and generating a first second communication signal.

In one embodiment, the operating state of the external electrical device includes: normal, short, open, virtual short, virtual break, overload and no load;

the operating parameters of the external electrical device include: voltage current, power and accumulated electric quantity;

the environmental parameters of the preset area comprise: temperature, humidity, and atmospheric pressure.

In one embodiment, the method further comprises:

the wireless communication assembly is connected with the control assembly and the mobile terminal and is used for wirelessly transmitting a wireless communication signal output by the mobile terminal to the control assembly;

the control component is configured to receive at least one path of the second communication signal, and convert the at least one path of the second communication signal according to the wireless communication signal to generate at least one path of the first control signal.

In one embodiment thereof, the wireless communication component comprises: 2G, 3G, 4G, 5G, NB-IOT, LoRa, Zigbee, WIFI and Bluetooth.

In one embodiment thereof, the control assembly comprises:

the data processing component is connected with the switching power supply component, the at least one signal input component and the at least one signal output component, and is used for receiving the at least one path of second communication signal and generating at least one path of first control signal according to the at least one path of second communication signal; and

the gateway component is connected with the switching power supply component, the cloud server and at least one external electrical device, and is used for receiving the working data output by the at least one external electrical device and uploading the working data of the at least one external electrical device to the cloud server.

In one embodiment, each of the signal output assemblies includes:

the signal receiving components are connected with the control assembly, and each signal receiving component is used for receiving one path of the first control signal;

the logic processing component is connected with the signal receiving component and the switching power supply component and is used for processing one path of the first control signal to obtain at least one path of the second control signal;

each electric energy detection component is connected with the logic processing component and the switching power supply component, the at least one electric energy detection component is connected with the at least one external electrical device in a one-to-one correspondence manner, and each electric energy detection component is used for detecting electric parameters of the corresponding external electrical device to obtain one path of electric power detection signal and transmitting one path of second control signal; and

the power switch component is connected with the external electrical equipment in a one-to-one correspondence mode, and is used for controlling the corresponding external electrical equipment to execute circuit actions according to the power detection signal and the second control signal.

In a second aspect, there is provided a wastewater treatment system comprising:

the combined type logic control circuit, the air pump, the dosing pump, the electromagnetic valve, the fan, the lifting pump, the frequency converter, the mechanical grating, the stirrer, the sterilizer, the electrolytic phosphorus removal device, the water quality sensor, the ultrasonic liquid level meter, the liquid flow meter, the human-computer interaction interface, the temperature sensor, the humidity sensor, the atmospheric pressure sensor and the liquid level float switch are arranged; the air pump, the dosing pump, the solenoid valve, the fan, the elevator pump, the converter, the machinery grid, the mixer, the sterilizer, electrolysis phosphorus removal device, water quality sensor, supersound level gauge, fluidflowmeter, man-machine interaction interface temperature sensor, humidity transducer, atmospheric pressure sensor and liquid level float switch all with combination formula logic control circuit connects.

The combined logic control circuit provided by the embodiment of the application has the beneficial effects that: the signal input assembly can be used for accessing any number of first communication signals, after the first communication signals are subjected to isolated transmission, the signal output assembly outputs control information after signal conversion of the control assembly, and the signal output assembly realizes distributed circuit control on any number of external electrical equipment according to the control information; therefore, the combined logic control circuit can realize different circuit functions after respectively carrying out centralized conversion on the multiple paths of first communication signals, the centralized control process of the combined logic control circuit has higher expandability and compatibility, specific circuit functions can be realized in different industrial technical fields, and the reliability is higher; in addition, in the embodiment, each circuit component is isolated and powered by the switching power supply component, and the signal input component is isolated and transmitted, so that double isolation of signal transmission and electric energy supply is realized inside the combined logic control circuit, and the anti-interference performance and reliability of each circuit component are improved; the control assembly can be always in a safe and stable integrated control state in the circuit system, the combined logic control circuit can be suitable for different industrial environments, a plurality of external electrical devices can achieve a multifunctional electrical control effect, and various circuit control requirements of technicians can be met.

The sewage treatment system that this application embodiment provided's beneficial effect lies in: the combined logic control circuit can play an all-directional circuit control function in the sewage treatment system, and can control various controlled devices in the sewage treatment system in real time so as to ensure the control reliability and flexibility of the sewage treatment system; therefore, the sewage treatment system can be compatibly suitable for different industrial technical fields to realize the safe and efficient purification function of sewage, meet the real-time sewage treatment requirements of users and has higher practical value.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or exemplary technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

FIG. 1 is a schematic diagram of a combinational logic control circuit according to an embodiment of the present disclosure;

FIG. 2 is a schematic diagram of a combinational logic control circuit according to another embodiment of the present application;

FIG. 3 is a schematic diagram of a signal input assembly according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a control assembly provided in an embodiment of the present application;

FIG. 5 is a schematic diagram of a signal output assembly according to an embodiment of the present disclosure;

fig. 6 is a schematic diagram of a switching power supply module according to an embodiment of the present application;

FIG. 7 is a schematic structural diagram of a sewage treatment system according to an embodiment of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.

In order to explain the technical solutions of the present application, the following detailed descriptions are made with reference to specific drawings and examples.

Fig. 1 shows a structural schematic diagram of a combinational logic control circuit 10 provided in this embodiment, and a safe and flexible control function can be realized by the combinational logic control circuit 10 to perform multi-functional circuit control on an external electrical device; as shown in fig. 1, the combinational logic control circuit 10 includes: at least one signal input component (denoted 1011, …, 101N in fig. 1, where N is an integer greater than 0), a control component 102, at least one signal output component (denoted 1031, …, 103M in fig. 1, where M is an integer greater than 0), and a switching power supply component 104.

Each signal input component is used for accessing at least one path of first communication signal, carrying out isolated transmission on the first communication signal, and processing the first communication signal after isolated transmission to obtain a path of second communication signal.

The signal input assembly has the functions of logical operation and signal conversion, the first communication signals comprise communication data, and the signal input assembly can process any number of first communication signals in real time so as to ensure the signal processing compatibility and the circuit control efficiency of the signal input assembly; illustratively, the signal input component for isolated transmission of the first communication signal comprises: the photoelectric isolation, the electromagnetic isolation, the transformer isolation, the relay isolation and the like are transmitted, and the optical coupling isolation transmission is carried out on the first communication signal through the signal input assembly, so that the physical damage of the first communication signal to electronic components in the combined control circuit is avoided, and the physical safety and the signal transmission safety of the signal input assembly are improved; after the signal input assembly carries out centralized processing and conversion on at least one path of first communication signals, the second communication signals contain more complete communication data and control information.

Optionally, the first communication signal is a digital quantity or an analog quantity, and then the signal input assembly can identify different types of communication data, so that the expandability is higher.

The control component 102 is connected to the at least one signal input component, and is configured to receive the at least one channel of second communication signal and generate the at least one channel of first control signal according to the at least one channel of second communication signal.

The control component 102 can implement centralized processing and conversion of data, for example, the control component 102 performs conversion modes such as filtering, signal format conversion, pulse counting and the like on the second communication signal to obtain a first control signal, the first control signal includes complete and accurate circuit control information, and efficient and centralized control of external electrical equipment is implemented; when each signal input component outputs one path of second communication signal to the control component 102, the control component 102 performs circuit function identification and conversion operation on at least one path of second communication signal, and realizes a multifunctional and accurate circuit control function according to the first control signal output by the control component 102.

Each signal output assembly is connected to the control assembly 102, each signal output assembly is connected to at least one external electrical device (represented by 2011, …, 201P in fig. 1, where P is an integer greater than 0), and each signal output assembly is configured to process one path of first control signal to obtain at least one path of second control signal, and control the corresponding external electrical device to execute a circuit operation according to the second control signal.

Optionally, the external electrical device is various electronic integrated components, such as a switch, a motor, or a signal generator; the signal output assembly has data distributed operation and signal conversion functions, receives and identifies one path of first control signal through the signal output assembly, and obtains circuit control information in the first control signal, the signal output assembly processes the first control signal and then outputs any number of second control signals, and then flexible circuit control is carried out on external electrical equipment, so that the external electrical equipment in any number can execute specific circuit actions according to actual circuit function requirements of users, and further the combined logic control circuit can be compatible and applicable to different industrial technical fields, and corresponding circuit functions can be realized.

Illustratively, the second control signal is an analog quantity or a digital quantity, and further the second control signal can perform analog regulation or digital control on the external electrical device, so that diversified circuit control requirements of the combined logic control circuit 10 are met.

Therefore, the number of the signal input assemblies and the number of the signal output assemblies in the embodiment can be adjusted at will, after signal processing and conversion are performed on any number of first communication signals, adaptive circuit control is performed on any number of external electrical devices so as to meet the circuit control function requirements of each industrial application environment, and the flexibility and the compatibility are high; the signal input assembly, the signal output assembly and the control assembly in the embodiment are mutually independent, signal processing and conversion can be carried out, so that corresponding circuit functions are realized, the circuit control principle and the circuit control structure are clear and simple, a set of complete circuit control can be realized without arranging complex electric circuits, electromagnetic interference caused by arrangement of a large number of electric circuits in the combined logic control circuit 10 or electric control faults caused by errors of manually arranged circuits are avoided or reduced, and the combined logic control circuit 10 has higher circuit control safety and reliability; the control component 102 is not directly electrically connected with the external electrical equipment, but is connected with the external electrical equipment through the signal input component and the signal output component, and the control component 102 is always located at the safest circuit position in the combined logic control circuit 10, so that the circuit damage caused by electromagnetic interference signals or surge signals released by the external electrical equipment to the control component 102 is avoided; even if the signal input component and the signal output component are damaged by human accidents, the normal and stable operation of the control component 102 cannot be influenced, and the combined circuit structure of the combined logic control circuit 10 has higher stability, reliability and safety than the PLC control structure in the related art; in the related art, a control center of a PLC control structure is integrated with an input/output circuit, and when the input/output circuit is impacted by an electromagnetic interference signal or a surge signal of an external electrical device, a master control function of a PLC may be affected, thereby causing a shutdown or damage of a PLC control system.

The switching power supply component 104 is connected to the at least one signal input component, the control component 102, and the at least one signal output component, and is configured to receive a power supply signal output by the power supply device and perform isolated conversion and output when the power supply device is connected to the switching power supply component.

The power supply device stores corresponding electric energy, for example, the electric energy device is a dc power supply or an ac power supply, and the switching power supply assembly 104 performs isolated transmission on a power supply signal to output high-voltage or low-voltage electric energy, and performs safe power supply on each signal input assembly, the control assembly 102, and each signal output assembly in the combined logic control circuit 10, so that the combined logic control circuit 10 has high electric energy supply safety; for example, after the switching power supply assembly 104 performs isolated voltage reduction or isolated voltage boosting on the power supply signal, each circuit assembly can be powered up according to the rated power, and the switching power supply assembly 104 has more flexible electric energy conversion performance; and switching power supply module 104 has the isolation transmission function to the electric energy, then the internal circuit module of combination formula logic control circuit 10 has realized the two isolations of signal and electric energy, and then formation formula logic control circuit 10 can carry out high-efficient, nimble circuit control to outside electrical equipment in each different industrial environment, and practical value is higher.

As an alternative implementation, fig. 2 shows another structural schematic of the combinational logic control circuit 10 provided in this embodiment, and compared with the structural schematic of the combinational logic control circuit 10 in fig. 1, the combinational logic control circuit 10 in fig. 2 further includes: a first communication component 105 and a second communication component 106; the first communication component 105 is connected with each signal input component and the control component 102 for outputting the second communication signal to the control component 102.

The second communication module 106 is connected to the control module 102 and each signal output module, and is configured to output the first control signal to the signal output module.

Optionally, the first communication component 105 includes at least any one of a CAN (Controller Area Network) bus, RS485, RS232, and an ethernet.

Optionally, the second communication component 106 includes at least one of a CAN bus, RS485, RS232, and ethernet.

In the embodiment, each signal input component and the control component 102 adopt various communication modes to transmit the second communication signal, so that the transmission efficiency and the transmission precision of the second communication signal are guaranteed; the control component 102 can receive complete communication data in real time; after the control component 102 performs centralized conversion on the data, any number of first control signals can be output to the signal output component through various communication modes; therefore, in the present embodiment, compatible and efficient communication functions can be realized among the circuit components in the combinational logic control circuit 10, and after the control component 102 performs compatible processing and transmission on the communication data, accurate circuit control is realized on any number of external electrical devices; the combinational logic control circuit 10 can be universally applied to various industrial environments to maintain accurate data communication functions, high-speed signal interaction operations are performed among circuit components inside the combinational logic control circuit 10, and the combinational logic control circuit 10 has higher compatibility and flexibility.

As an alternative embodiment, referring to fig. 2, the combinational logic control circuit 10 further includes: a wireless communication module 107, wherein the wireless communication module 107 is connected to the control module 102 and the mobile terminal 30, and is configured to wirelessly transmit the wireless communication signal output by the mobile terminal 30 to the control module 102.

The control component 102 is configured to receive at least one path of second communication signal, and convert the at least one path of second communication signal according to the wireless communication signal to generate at least one path of first control signal.

Optionally, the wireless communication module 107 includes: 2G, 3G, 4G, 5G, NB-IOT, LoRa, Zigbee, WIFI (Wireless Fidelity) and Bluetooth.

Illustratively, the mobile terminal 30 is a mobile phone or a tablet computer.

It should be noted that NB-IOT and LoRa belong to different communication modes of the internet of things, respectively, where LoRa performs interactive transmission of data according to LPWAN protocol standards; the NB-IOT can satisfy different communication standards and support different signal transmission bandwidths; therefore, efficient data bidirectional transmission can be maintained in different data transmission environments through the NB-IOT and the LoRa.

Therefore, the present embodiment can implement a wireless signal communication function between the control component 102 and the mobile terminal 30 through the wireless communication component 107, and then the combinational logic control circuit 10 performs data interaction operations of 2G, 3G, 4G and 5G; on one hand, the signal conversion step of the control component 102 can be changed through the wireless communication signal output by the mobile terminal 30, the combined control component 10 performs flexible electrical control on a plurality of external electrical devices, and the signal conversion process of the control component 102 has higher controllability; on the other hand, the wireless communication component 107 can wirelessly upload the signal conversion information of the control component 102 to the mobile terminal 30, so that a user can obtain the actual circuit control state of the combined logic control circuit 10 in real time through the mobile terminal 30, the user experience is brought to the user, and the combined logic control circuit 10 has higher communication compatibility and human-computer interaction performance; the wireless network communication function can be realized only by additionally adding an auxiliary wireless communication tool to control equipment such as a PLC (programmable logic controller) in the related technology.

As an alternative embodiment, referring to fig. 2, the combinational logic control circuit 10 further includes: a touch screen component 108 and an ethernet communications component 109; the touch screen assembly 108 is used for receiving key information of a user and outputting a touch screen control signal; wherein the user's key signal includes a circuit control requirement, the touch screen assembly 108 is capable of generating a touch screen control signal according to the user's circuit control requirement, the touch screen control signal including complete circuit control information to change the circuit control function of the combined logic control circuit 10 in real time.

The ethernet communication component 109 is connected between the touch screen component 108 and the control component 102, and is used for outputting the touch screen control signal to the control component 102 through an ethernet communication manner.

Optionally, the ethernet communication module 109 includes an RJ45 interface, and an ethernet communication function is implemented for signals through the RJ45 interface, and the control module 102 and the touch screen module 108 perform efficient and compatible communication, which is relatively high in compatibility.

The control component 102 is configured to receive the at least one second communication signal, and convert the at least one second communication signal according to the touch screen control signal to generate at least one first control signal.

In this embodiment, the touch screen assembly 108 can receive the key information of the user in real time, and after the wireless signal interaction of the ethernet communication assembly 109, the signal conversion state of the control assembly 102 can be changed in real time through the touch screen control signal, the signal conversion process of the combined logic control circuit 10 has good controllability, the combined logic control circuit 10 can be adapted to the circuit control functions in various fields through the touch screen assembly 108, and the circuit control flexibility and compatibility of the combined logic control circuit 10 are greatly improved.

As an optional implementation manner, the ethernet communication component 109 is further configured to be compatibly accessed to the third-party control component 40, the third-party control component 40 stores a large amount of control data, and then the third-party control component 40 wirelessly transmits the control data to the control component 102 through the ethernet communication component 109, so as to change the signal conversion state of the control component 102 in real time, where the signal conversion state of the control component 102 has high controllability and flexibility, and the combined logic control circuit 10 is compatible with the access of the third-party control component, so as to improve the circuit control compatibility and the data interaction stability of the control component 102.

Illustratively, the third-party control component 40 is a PLC or the like, and the combinational logic control circuit 10 can be compatibly applied to various industrial sites to implement corresponding circuit functions.

As an alternative embodiment, referring to fig. 2, the combinational logic control circuit 10 further includes: the signal storage component 110, the signal storage component 110 is connected to the control component 102, and is configured to store at least one path of the second communication signal.

The signal storage component 110 has a signal storage function, and when the control component 102 performs signal conversion, the communication data transmitted by the control component 102 can be stored by the signal storage component 110, so that the signal storage component 110 can safely store a second communication signal, thereby preventing a data loss phenomenon occurring in the circuit control process of the combined logic control circuit 10, and ensuring the control safety and the signal conversion stability of the centralized circuit of the control component 102.

As an alternative embodiment, referring to fig. 2, the combinational logic control circuit 10 further includes: at least one sensing assembly (fig. 2 adopts 1111, … 111T, where T is an integer greater than 0), each sensing assembly is connected to the control assembly 102, each sensing assembly is connected to at least one external electrical device, and each sensing assembly is configured to collect an operating parameter of the corresponding external electrical device and an environmental parameter of a preset area, and output a first adjustment signal.

The control component 102 is configured to receive at least one path of second communication signal, and convert the at least one path of second communication signal according to the at least one path of first adjustment signal to generate at least one path of first control signal.

Illustratively, the sensing component is: the liquid flow sensor, the temperature sensor, the air pressure sensor or the conductivity sensor can collect working parameters of any number of external electrical equipment through the sensing assembly to sense the change condition of the running state of each external electrical equipment, the control assembly 102 generates at least one path of first control signal according to the actual running state of each external electrical equipment, and the feedback control is performed on the external electrical equipment through the first control signal, so that the running stability and the circuit control safety of each external electrical equipment are ensured, and the omnibearing and multifunctional circuit control requirements of users are met.

As an alternative implementation, fig. 3 shows a schematic structure of the signal input assembly provided in this embodiment, please refer to fig. 3, where each signal input assembly includes: at least one input detection component (represented by 3011, …, and 301H in fig. 3, where H is an integer greater than 0), at least one first optoelectronic isolation component (represented by 3021, …, and 302H in fig. 3), and an input processing component 303, where each input detection component is configured to access a first communication signal; each signal input detection component has a signal transmission function, and when the signal input detection component is connected to a first communication signal, the input detection component can carry out compatible transmission on the first communication signal, so that the transmission efficiency of communication data is guaranteed, and the data interaction integrity of the signal input component is improved.

The at least one first photoelectric isolation component is connected with the at least one input detection component in a one-to-one correspondence mode, and each first photoelectric isolation component is used for carrying out photoelectric isolation transmission on one path of first communication signals.

The photoelectric isolation transmission function of signals can be realized by each first photoelectric isolation component, so that the safety and stability of the first communication signals to the signal input assembly in the transmission process are guaranteed, the first communication signals after photoelectric isolation transmission can keep high physical safety for electronic components, the integrity and the high efficiency of communication data can be guaranteed, and the circuit control efficiency and the application range of external electrical equipment are improved.

The input processing component 303 is connected to the switching power supply component 104, the control component 102, and the at least one first optoelectronic isolation component, and is configured to process at least one path of the first communication signal after optoelectronic isolation transmission to obtain at least one path of the second communication signal.

The input processing component 303 is subjected to photoelectric isolation power supply through the switching power supply component 104, so that the working safety and the power supply stability of the input processing component 303 are guaranteed; the input processing component 303 has a signal conversion function, and can identify and process at least one path of first communication signal through the input processing component 303 to obtain a path of second communication signal, wherein the second communication signal contains complete communication data, and the input processing component 303 outputs the second communication signal to the control component 102; therefore, any number of first communication signals can be efficiently processed by the input processing part 303, and the circuit control sensitivity and controllability of the combinational logic control circuit 10 are guaranteed.

As an alternative embodiment, referring to fig. 3, the signal input assembly further includes: a first indicating component 304, the first indicating component 304 is connected with the input processing component 303, and the first indicating component 304 is used for displaying the state of the input processing component 303.

Illustratively, the first indicating component 304 is an optical alarm, and the first indicating component 304 can send out an optical indicating signal, so that the user can display different states of the input processing component 303 in real time through the first indicating component 304; for example, when the input processing unit 303 outputs the second communication signal, the first indicating component 304 sends out an optical-electrical indicating signal; when the input processing part 303 does not output the second communication signal, the first indicating component 304 does not emit the photoelectric indicating signal; furthermore, the first indication component 304 can monitor and display the signal conversion state of the input processing component 303 in real time, thereby improving the controllability and the application range of the combinational logic control circuit 10.

As an alternative embodiment, referring to fig. 3, the signal input assembly further includes: a first dip switch part 305, the first dip switch part 305 being connected with the input processing part 303 for generating a first dip signal according to the configuration information of the user.

The input processing component 303 is configured to process at least one path of the first communication signal after the optoelectronic isolation transmission according to the first dial-up signal to obtain a path of the second communication signal.

The first dial switch part 305 can receive configuration information of a user and output a first dial signal in real time to change a signal conversion process of the input processing part 303, the first dial switch part 305 has a flexible circuit control function, and the combined logic control circuit 10 performs signal conversion according to a circuit control requirement of the user, so that great convenience is brought to the circuit control process of the user.

As an alternative embodiment, referring to fig. 3, the signal input assembly further includes: the first signal acquisition component 306 is connected to the at least one input detection component and the at least one external electrical device, and is configured to acquire an operating parameter of the corresponding external electrical device and an environmental parameter of a preset area, and output at least one path of first communication signal.

The input processing component is used for judging the running state of the corresponding external electrical equipment according to the at least one path of photoelectrically isolated and transmitted first communication signal and generating a first second communication signal.

The operation states of the external electrical devices include: normal, short, open, virtual short, virtual break, overload, and no load.

The operating parameters of the external electrical device include: voltage, current, power, and accumulated charge.

The first signal acquisition component can acquire the voltage change condition, the current change condition and the parameter change condition of the external environment of each external electrical device to generate a first communication signal, the first communication signal comprises the actual running state of each external electrical device and the parameter change condition of the external environment, the input processing component 303 performs signal feedback control according to the actual running state of the external electrical device and the parameter change condition of the external environment parameters, the electrical control safety of a plurality of external electrical devices is guaranteed, and the combined logic control circuit 10 can be suitable for different industrial environments; the signal input assembly in the embodiment has the functions of electric energy information acquisition and external environment information acquisition for external electrical equipment, and is high in expandability.

As an alternative embodiment, referring to fig. 3, the signal input assembly further includes: and the data output part 307 is connected with the input processing part 303 and the control component 102, and the data output part 307 is used for outputting one path of second communication signal to the control component 102.

Illustratively, the data output part 307 includes: at least one of CAN, RS485 and an optical coupler; the signal input components have high communication compatibility, the control component 102 and each signal input component can realize compatible interaction of data, the control component 102 realizes accurate signal conversion according to communication data, and the signal conversion efficiency in the combined logic control circuit 10 is improved

As an alternative implementation, please refer to fig. 3, the signal input assembly further includes a first positioning component 309, the first positioning component 309 is connected to the input processing component 303, and the first positioning component 309 is configured to obtain the position information of the input processing component 303; wherein the first positioning part 309 also outputs the position information of the input processing part 303 to an external terminal device so that the user can acquire the actual position of the signal input component in real time; therefore, the first positioning component 309 in this embodiment has a positioning function, and supports remote wireless network transmission, which guarantees the control accuracy and safety of the signal input assembly.

As an alternative implementation, fig. 4 shows a schematic structure of the control assembly 102 provided in this embodiment, please refer to fig. 4, where the control assembly 102 includes: a data processing section 1021 and a gateway section 1022; the data processing component 1021 is connected with the switching power supply component 104, the at least one signal input component, and the at least one signal output component, and the data processing component 1021 is configured to receive the at least one path of second communication signal and generate the at least one path of first control signal according to the at least one path of second communication signal.

The switching power supply assembly 104 can supply power to the data processing unit 1021 in an isolated manner to guarantee power supply safety of the data processing unit 1021, the data processing unit 1021 can realize data logic operation and signal conversion functions, and at least one path of first control signal output by the data processing unit 1021 can control external electrical equipment more flexibly, so that signal processing efficiency and precision of the control assembly 102 are improved.

The gateway component 1022 is connected to the switching power supply component 104, the cloud server 50, and the at least one external electrical device, and the gateway component 1022 is configured to receive the working data output by the at least one external electrical device, and upload the working data of the at least one external electrical device to the cloud server 50.

Illustratively, the working data includes the operating voltage and the operating current of the external electrical device, so that the gateway component 1022 can perform wireless interaction of data, the working data of the external electrical device can be collected in real time through the gateway component 1022, and the gateway component 1022 and the cloud server 50 realize information interaction, the cloud server 50 can store the working data of the external electrical device in real time, and the cloud server 50 can wirelessly monitor the working state of the external electrical device, so that a user can conveniently realize a corresponding circuit control function.

As an alternative implementation, referring to fig. 4, the gateway component 1022 is further connected to the data processing component 1021, the gateway component 1022 can receive the control data output by the data processing component 1021, and the gateway component 1022 uploads the control data output by the data processing component 1021 to the cloud server 50, where the control data output by the data processing component 1021 includes the signal conversion state information of the data processing component 1021; when the data processing part 1021 is used for converting at least one path of second communication signals, the control data output by the data processing part 1021 comprises corresponding state information; therefore, the control component 102 in this embodiment performs flexible data interaction with the cloud server 50, and improves communication compatibility and control security of the control component 102.

As an alternative implementation, referring to fig. 4, the gateway component 1022 includes: a data transmitter 401, a data converter 402, a wireless transceiver 403, and a clock transmitter 404; the data transmitter 401 is connected to at least one external electrical device, and is configured to receive the operating data output by the at least one external electrical device.

Illustratively, the data transmitter 401 can acquire the operating status information of each external electrical device, and identify the safety status or fault status of each external electrical device according to the operating data, and the wireless transceiver 403 can realize efficient and sensitive transmission of the operating data.

The data converter 402 is connected to the data transmitter 401 and the switching power supply module 104, and is configured to process the working data output by the at least one external electrical device to obtain a state identification signal.

The data converter 402 can be supplied with power in an isolated manner through the switching power supply assembly 104 to ensure the working stability of the data converter 402, the data converter 402 can recognize state information in working data, and the actual operating state of each external electrical device can be comprehensively acquired through the state recognition signal output by the data converter 402, so that the data transmission safety and reliability of the gateway component 1022 are improved.

The wireless transceiver 403 is connected to the data converter 402 and the cloud server 50, and is used for outputting the status identification signal to the cloud server 59.

Illustratively, the wireless transceiver 403 includes: 2G, 3G, 4G, 5G, NB-IOT, LoRa, Zigbee, WIFI and bluetooth, and then gateway component 1022 can realize the wireless transmission of inside data to carry out real-time status monitoring to external electrical equipment.

The clock transmitter 404 is connected to the data converter 402 for outputting a clock signal to the data converter 402.

Clock information can be provided for the data converter 402 through the clock signal, so that the data converter 402 can maintain a stable working state, the data converter 402 can maintain a good signal conversion state, the data communication stability and reliability of the gateway component 1022 are improved, and the cloud server 50 can completely receive the state information of the external electrical device.

Optionally, the data transmitter 401 is further connected to the data processing unit 1021, the data transmitter 401 further receives the control data output by the data processing unit 1021, and sequentially passes through the data converter 402 and the wireless transceiver 403, and uploads the control data output by the data processing unit 1021 to the cloud server 50, so that the signal conversion state of the data processing unit 1021 can be accurately obtained through the cloud server 50.

As an alternative implementation, referring to fig. 4, the gateway component 1022 further includes: a Subscriber Identity Module (SIM) card 405, where the SIM card 405 is used to store a status identification signal, and the SIM card 405 can ensure the transmission security and efficiency of the status identification signal and avoid the status identification signal from being lost in the transmission process; the gateway component 1022 has higher security and stability of data interaction with the cloud server 50.

As an alternative embodiment, the data converter 402 is connected to the external memory card 60, and the data converter 402 can output the status identification signal to the external memory card 60, so that the external memory card 60 can store the status identification signal in real time; illustratively, the external memory card 60 is a TF (Trans Flash) card or an SD (Secure digital memory) card; furthermore, the user can obtain the data transmitted by the gateway component 1022 in real time through the external memory card 60, thereby ensuring the data transmission compatibility of the gateway component 1022.

The gateway component 1022 in this embodiment can implement internal data storage and external data storage in a compatible manner, thereby improving the compatibility and practical value of the combined logic control circuit 10.

As an alternative embodiment, referring to fig. 4, the control component 102 further includes: a second positioning part 1023, wherein the second positioning part 1023 is connected with the data processing part 1021, and the second positioning part 1023 is used for acquiring the position information of the data processing part 1021; optionally, the second positioning component 1023 is further configured to output the position information of the data processing component 1021 to an external terminal device, so that a user can monitor the actual position of the control assembly 102 in real time, determine the position, manage geographic information, and perform maintenance and debugging on the signal conversion process of the control assembly 102, thereby ensuring the physical security of the control assembly 102; therefore, the control element 102 in this embodiment has a positioning function, and when the combinational logic control circuit 10 is applied to various external environments, the control element 102 can perform centralized conversion on signals, which is highly practical.

As an alternative implementation, fig. 5 shows a schematic structure of the signal output assembly provided in this embodiment, please refer to fig. 5, the signal output assembly includes: the signal receiving component 501, the logic processing component 502, at least one power detection component (denoted by 5031, … 503W in fig. 5, where W is an integer greater than 0), and at least one power switch component (denoted by 5041, … 504W in fig. 5); the signal receiving components 501 are connected to the control module 102, and each signal receiving component is configured to receive a path of first control signal.

Optionally, the signal receiving unit 501 includes: at least any one of the RS232, the CAN bus and the RS485 is in compatible communication with the control component 102 through the signal receiving component 501 to ensure the transmission safety and the high efficiency of the first control signal, and the signal output component CAN be driven to realize a complete circuit function according to the first control signal, so that the circuit control sensitivity and the accuracy of the combined logic control circuit 10 are improved.

The logic processing component 502 is connected to the signal receiving component 501 and the switching power supply component 104, and is configured to process one path of the first control signal to obtain at least one path of the second control signal.

Isolated power to the logic processing component 502 is enabled by the switching power supply component 104; the logic processing unit 502 has a signal conversion function, the logic processing unit 502 can compatibly recognize circuit control information in the first control signal, and perform format conversion on the first control signal to obtain a second control signal, the logic processing unit 502 has an efficient and stable signal conversion function on the first control signal, electrical control flexibility and accuracy on external electrical equipment are improved, and the signal output assembly has high signal conversion compatibility.

Each electric energy detection component is connected with the logic processing component and the switching power supply component 104, at least one electric energy detection component is connected with at least one external electrical device in a one-to-one correspondence manner, and each electric energy detection component is used for detecting electric parameters of the corresponding external electrical device to obtain one path of electric power detection signal and transmitting one path of second control signal.

Optionally, the power parameters of the external electrical device include voltage, current, power and accumulated power, and then the voltage state and the current state of the corresponding external electrical device can be monitored in real time through the power detection component, and the power fluctuation condition of the external electrical device can be obtained in real time through the power detection signal, and the feedback adjustment is performed on the circuit control state of the signal output assembly according to the power detection signal, so that the adaptive adjustment precision and accuracy of the external electrical device are improved.

The at least one electric energy switch component is connected with the at least one electric energy detection component in a one-to-one correspondence mode, the at least one electric energy switch component is connected with the at least one external electrical device in a one-to-one correspondence mode, and each electric energy switch component is used for controlling the corresponding external electrical device to execute circuit actions through one path of electric power detection signals and one path of second control signals.

The electric energy detection component outputs the electric power detection signal and the second control signal to the electric energy switch component, and the electric energy switch component can change the actual circuit function of the corresponding external electrical equipment, so that the circuit control flexibility and the efficiency of the external electrical equipment are guaranteed; illustratively, the power switching components include: the relay switch can further change the running state of the external electrical equipment in real time through the relay switch, the external electrical equipment can execute corresponding circuit actions according to the actual circuit function requirements of users, and the control response precision is high.

Illustratively, each electric energy detection component can collect parameters such as voltage, current, power and accumulated electric quantity of the external electrical equipment, and further realize monitoring, analyzing and prejudging the operating conditions of the external electrical equipment, wherein the operating conditions include: short circuit, open circuit, virtual short, virtual break, overload, no load; the electric energy switch component can carry out comprehensive electrical control on the external electrical equipment by the current running state or the pre-judged running state of the external electrical equipment and combining the second control signal, thereby realizing the running protection of the external electrical equipment, reducing the failure rate of the external electrical equipment and prolonging the service life of the external electrical equipment.

For example, when the power detection component detects that the external electrical device is in a short-circuit state, the power switch component disables the external electrical device according to the second control signal to shut down the external electrical device, so as to maintain the safety and the efficiency of the external electrical device, and improve the controllability of the electrical control process of the combined logic control circuit 10.

As an alternative embodiment, referring to fig. 5, the signal output group further includes: a second indication component 505, the second indication component 505 and the logical processing component 502, wherein the second indication component 505 is used for displaying the state of the logical processing component 502; illustratively, the second indicating component 505 can emit an electro-optical display signal by which various states of the logic processing component 502 can be visually displayed; for example, when the logic processing component 502 receives the first control signal and performs signal conversion to obtain at least one path of second control signal, the second indicating component 505 sends out an optoelectronic display signal, and the signal output component performs normal circuit control on the external electrical device; on the contrary, when the logic processing component 502 does not receive the first control signal, the second indicating component 505 does not send out the photoelectric display signal, and the signal output component does not implement the circuit control function at this time; therefore, the present embodiment can display the circuit control state of the signal output component in real time through the second indication part 505, and the signal output component has higher control flexibility.

As an alternative embodiment, referring to fig. 5, the combinational logic control circuit 10 further includes: a second dial switch component 506, a second dial switch component 506 and a logic processing component 502, wherein the second dial switch component 506 is used for generating a second dial signal according to the key information of the user.

The logic processing unit 502 is configured to process one path of the first control signal according to the second dial signal to obtain at least one path of the second control signal.

In this embodiment, the second dial switch component 506 can control the signal conversion state of the logic processing component 502 in real time, and the logic processing component 502 outputs at least one path of first control signal to perform flexible circuit control on any number of external electrical devices; the circuit control flexibility for any number of external electrical devices is guaranteed, and the signal conversion state of the logic processing unit 502 can be changed in real time through the second dial switch unit 506, thereby facilitating the circuit control process of a user.

As an alternative embodiment, referring to fig. 5, the signal output assembly further includes: and the third positioning component 507 is connected with the logic processing component 502, and the third positioning component 507 is used for acquiring the position information of the logic processing component 502, so that the accurate monitoring of the geographic position of the signal output assembly is realized, and the circuit control safety and compatibility of the signal output assembly are guaranteed.

It should be noted that, in each of the above embodiments, the first Positioning component 309, the second Positioning component 1023 and the third Positioning component 507 may all adopt a GPS (Global Positioning System) chip, and for example, the model of the GPS chip is: UBL0X7020, UBL0X8030, HD8040 or EC20, then can realize the high accuracy locate function to the signal output subassembly through the GPS chip.

As an alternative implementation, fig. 6 shows a schematic structure of the switching power supply assembly 104 provided in this embodiment, and referring to fig. 6, the switching power supply assembly 104 includes: the dc power supply unit 1041 and the ac power supply unit 1042, where the dc power supply unit 1041 is connected to at least one signal input module, the control module 102 and at least one signal output module, and is configured to receive a dc power supply signal output by the dc power supply device 70 when the dc power supply device 70 is connected, and isolate and output the dc power supply signal after the amplitude of the dc power supply signal is adjusted.

Wherein the dc power supply device 70 stores dc power; for example, after the dc power supply unit 1041 performs voltage regulation on the dc power supply signal, the dc power supply signal can meet the rated power supply requirements of each circuit component in the signal input component, the control component 102 and the signal output component, so as to implement the safe power supply function for each circuit component in the combined logic control circuit 10; in this embodiment, the dc power supply device 70 can perform dc isolated power supply on each circuit component, and the combined logic control circuit 10 can maintain a normal circuit control function in a dc environment, so that the power supply efficiency is high.

The ac power supply unit 1042 is connected to the at least one signal input module, the control module 102, and the at least one signal output module, and is configured to receive an ac power supply signal output by the ac power supply device 80 when the ac power supply device 80 is connected, rectify the ac power supply signal, and perform isolated output.

For example, the ac power supply unit 1042 may implement stable power supply for each circuit component by using a primary side and a secondary side of a transformer to perform isolated conversion.

The ac power supply device 80 stores ac power, and after the ac power supply signal is rectified by the ac power supply unit 1042, dc power having a specific amplitude can be obtained, and the dc power is isolated and output to each circuit component in the combined logic control circuit 10, thereby ensuring the power supply stability and circuit control efficiency of the combined logic control circuit 10; furthermore, the combinational logic control circuit 10 in the present embodiment can be applied to an ac environment to maintain normal circuit functions, and can perform efficient and safe circuit control on external electrical devices, which is highly stable.

Therefore, in the present embodiment, the power supply apparatus including the dc power supply apparatus 70 and the ac power supply apparatus 80 can realize dc power supply and ac power supply for the respective circuit components; illustratively, the direct current power supply signal is a 9V-30V direct current signal, and the alternating current power supply signal is a 90V-250V alternating current signal; therefore, the combinational logic control circuit 10 in the present embodiment is compatible for use in ac and dc environments to maintain a safe circuit control state, and to perform isolated power supply for each circuit component, which can maintain the physical safety and reliability of the circuit component itself.

In summary, the combinational logic control circuit 10 of the present embodiment has the following advantages over the PLC/PAC of the related art:

1. the combined logic control circuit 10 in the embodiment of the present application performs combined connection on each circuit component, which solves the problems of poor reliability and poor anti-interference performance of a PLC/PAC control method in the related art.

2. According to the embodiment of the application, the compatible communication between the circuit components is realized by adopting the standard communication interface, and the problems of insufficient expansibility, poor compatibility and difficult maintenance of the PLC/PAC controller in the related technology are solved.

3. Each signal output assembly in the embodiment of the application integrates the acquisition function of the voltage, current and other parameters of the external electrical equipment, the operation condition of the external electrical equipment can be monitored, analyzed and pre-judged, the active protection function of the external electrical equipment is realized, and the technical problem of poor protection performance of a PLC/PAC controller in the related art is solved.

4. The combined logic control circuit 10 of the embodiment of the application can realize the data connection function with the mobile terminal through various communication modes, and the combined logic control circuit 10 can be monitored and controlled through a mobile phone terminal under the application scene without a human-computer interface touch screen, so that the problems existing in a PLC/PAC controller in the related technology are solved: the method has the problems of lack of economic and efficient man-machine operation modes and poor user experience.

Fig. 7 shows a schematic structure of a sewage treatment system 70 provided in the present embodiment, and the sewage treatment system 70 includes: the combined type logic control circuit 10, the air pump 701, the dosing pump 702, the electromagnetic valve 703, the fan 705, the lifting pump 706, the frequency converter 707, the mechanical grid 708, the stirrer 709, the sterilizer 7010, the electrolytic phosphorus removal device 7011, the water quality sensor 7012, the temperature sensor 7013, the humidity sensor 7014, the atmospheric pressure sensor 7015, the ultrasonic liquid level meter 7016, the liquid flow meter 7017, the human-computer interaction interface 7018 and the liquid level float switch 704 are arranged; wherein, an air pump 701, a dosing pump 702, an electromagnetic valve 703, a fan 705, a lifting pump 706, a frequency converter 707, a mechanical grid 708, a stirrer 709, a sterilizer 7010, an electrolytic dephosphorization device 7011, a water quality sensor 7012, a temperature sensor 7013, a humidity sensor 7014, an atmospheric pressure sensor 7015, an ultrasonic liquid level meter 7016, a liquid flow meter 7017, a man-machine interaction interface 7018, a liquid level float switch 704 and the like are all connected with the combined logic control circuit 10; referring to the embodiment of fig. 1 to 6, after the combined logic control circuit 10 performs the centralized circuit control, each electrical device in the sewage treatment system 70 can realize the corresponding circuit function, so that the control precision and efficiency of the sewage treatment system 70 on the sewage treatment process are improved, the sewage treatment requirements of users are met, and the practical value is high.

The above are merely alternative embodiments of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims

1. A combined logic control circuit, comprising:

2. The combinational logic control circuit of claim 1, further comprising:

3. The combinational logic control circuit of claim 1, wherein each of the signal input components comprises:

4. The combinational logic control circuit of claim 3, wherein each signal input component further comprises:

5. The combinational logic control circuit of claim 4, wherein the operational state of the external electrical device comprises: normal, short, open, virtual short, virtual break, overload and no load;

6. The combinational logic control circuit of claim 1, further comprising:

7. The combinational logic control circuit of claim 6, wherein the wireless communication component comprises: 2G, 3G, 4G, 5G, NB-IOT, LoRa, Zigbee, WIFI and Bluetooth.

8. The combinational logic control circuit of claim 1, wherein the control component comprises:

9. The combinational logic control circuit of claim 1, wherein each of the signal output components comprises:

10. A wastewater treatment system, comprising:

the combination logic control circuit of any of claims 1-9, an air pump, a dosing pump, a solenoid valve, a blower, a lift pump, a frequency converter, a mechanical grid, a blender, a sterilizer, an electrolytic phosphorus removal device, a water quality sensor, an ultrasonic level meter, a fluid flow meter, a human-computer interface, a temperature sensor, a humidity sensor, an atmospheric pressure sensor, and a level float switch; the air pump, the dosing pump, the solenoid valve, the fan, the elevator pump, the converter, the machinery grid, the mixer, the sterilizer, electrolysis phosphorus removal device, water quality sensor, supersound level gauge, fluidflowmeter, man-machine interaction interface temperature sensor, humidity transducer, atmospheric pressure sensor and liquid level float switch all with combination formula logic control circuit connects.