Purification tank control system

Abstract

The utility model provides a purification tank control system, and relates to the technical field of sewage treatment. The control system comprises an integrated controller, a display unit, a control unit and an execution unit, the display unit, the control unit and the execution unit are electrically connected with the integrated controller, a power supply is electrically connected with the integrated controller and the execution unit, the integrated controller is a single chip microcomputer, the execution unit comprises a valve group, a pump group and an execution circuit, the valve group comprises a plurality of electromagnetic valves, and the electromagnetic valves are electrically connected with the power supply. The pump set comprises a lifting pump and an air pump, the lifting pump is used for conveying sewage, an aeration device and a dephosphorization device are arranged in the purification tank, the air pump is used as an air source of the aeration device, and the execution circuit is a control circuit of the dephosphorization device. The device is simple in structure, low in cost and capable of meeting equipment control requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a purification tank control system. Background Art

[0002] Rural sewage mainly comes from the daily life and agricultural production activities of rural residents, mainly including domestic sewage, toilet sewage, kitchen sewage, breeding sewage, agricultural production sewage, etc. At present, a small number of villages have the conditions to build centralized sewage treatment facilities, and the sewage in the villages is centrally treated. However, due to economic, geographical and other reasons, most villages are unable to build centralized sewage treatment facilities, and villagers can only build simple purification tanks by themselves to treat sewage.

[0003] The purification tank sewage treatment equipment has few single equipment components and a low overall price, but there are relatively many electrical equipment. When using conventional PLC + touch screen control, the cost of the electrical system accounts for a relatively large proportion compared with the process equipment. Using a time relay control cannot meet the equipment control requirements, and the cost is not low either. Content of the Utility Model

[0004] The purpose of the utility model is to develop a purification tank control system with a simple structure, low cost and capable of meeting the equipment control requirements.

[0005] The utility model is realized by the following technical solutions:

[0006] A purification tank control system includes:

[0007] An integrated controller;

[0008] A display unit, a control unit and an execution unit, which are electrically connected to the integrated controller;

[0009] A power supply, which is electrically connected to the integrated controller and the execution unit;

[0010] Among them, the integrated controller is a single-chip microcomputer. The execution unit includes a valve group, a pump group and an execution circuit. The valve group includes a plurality of solenoid valves. The pump group includes a lift pump and an air pump. The lift pump is used for sewage transportation. An aeration device and a phosphorus removal device are arranged in the purification tank. The air pump serves as the air source of the aeration device. The execution circuit is the control circuit of the phosphorus removal device.

[0011] Optionally, the power supply is an AC power supply. A power supply interface matching the AC power supply is arranged on the integrated controller. The power supply interface is single-phase, AC220V.

[0012] Optionally, the display unit is an LED panel or an LCD panel, and its size is larger than 1.3 inches. A man-machine interface matching it is arranged on the integrated controller.

[0013] Optionally, the control unit includes a liquid level sensor and an operation module. A rectification circuit is provided in the integrated controller to supply direct current power to the control unit, and the control unit transmits a direct current signal to the integrated controller.

[0014] Optionally, the liquid level sensor is a float liquid level switch, and 2 float liquid level switches are provided and respectively arranged at high and low liquid levels to transmit signals to the integrated controller when the water level is at high and low levels.

[0015] Optionally, the operation module includes a control board, and manual control buttons and status indicator lights are provided on the control board.

[0016] Optionally, the input end of the integrated controller includes 16-channel digital quantity detection and 2-channel 4 - 20mA current signal detection.

[0017] Optionally, the output end of the integrated controller includes 10-channel AC220V 200W relay output.

[0018] Optionally, a buzzer and a communication interface are provided on the integrated controller, and the communication interface is an RS485 interface using the Modbus RTU communication protocol.

[0019] The beneficial effects of the present utility model are as follows:

[0020] The structure of the present utility model is simple and the cost is low. It realizes the input and output of process control logic and control parameters, meets the control requirements of the purification tank. The provided communication interface reserves a hardware interface for big data upload, so that information such as the operation data of the purification tank can be analyzed and diagnosed through big data in the later stage, and the operation state of the purification tank can be judged in time or the faults of the purification tank can be checked. Description of the Drawings

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0022] Figure 1 It is a structural schematic diagram of the present utility model. Detailed Embodiments

[0023] In the following text, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present invention. Therefore, the accompanying drawings and the description are considered to be exemplary in nature rather than restrictive.

[0024] In the present invention, unless otherwise clearly specified and defined, terms such as "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection, an electrical connection, or a communication connection; it can be directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] The embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

[0026] As Figure 1 shown, the present utility model discloses a purification tank control system, including an integrated controller, a power supply, a display unit, a control unit, and an execution unit that are electrically connected to the integrated controller. The power supply is also electrically connected to the execution unit. The display unit displays the operating parameters of the purification tank. The operation of the purification tank is controlled through the control unit, and the execution unit is each electrical device in the purification tank.

[0027] The integrated controller is a single-chip microcomputer, and the power supply is an AC power supply. There is a power supply interface on the integrated controller that cooperates with the AC power supply. The power supply interface is single-phase and AC220V.

[0028] The display unit is an LED panel with a size greater than 1.3 inches. There is a man-machine interface on the integrated controller that cooperates with the LED panel. The man-machine interface is an LED interface. The LED panel displays the water inlet time, standing time, aeration time, sedimentation time, and drainage time of the purification tank. The display unit can also be an LCD panel, and the man-machine interface corresponds to an LCD interface.

[0029] The control unit includes a liquid level sensor and an operation module. There is a rectifier circuit in the integrated controller to supply DC power to the control unit through the rectifier circuit. The control unit transmits DC signals to the integrated controller. The liquid level sensor is a float liquid level switch. There are 2 float liquid level switches respectively arranged at high and low liquid levels to transmit signals to the integrated controller when the water level is at high and low levels. The operation module includes a control board, and there are manual control buttons and status indicator lights on the control board.

[0030] The execution unit is powered by a power supply, and the integrated controller provides control signals. The execution unit includes a valve group, a pump group, and an execution circuit. The valve group includes multiple solenoid valves, the pump group includes a lift pump and an air pump. The lift pump is used for sewage transportation. An aeration device and a phosphorus removal device are provided in the purification tank. The phosphorus removal device operates when the aeration device is running. The air pump serves as the air source for the aeration device. The execution circuit is the control circuit for the phosphorus removal device or other equipment.

[0031] The input end of the integrated controller includes 16 digital quantity detections for detecting digital quantity signals such as faults and liquid levels, and 2 4-20mA current signal detections for analog liquid level detection. The output end of the integrated controller includes 10 AC220V 200W relay outputs for controlling the pump group, valve group, and execution circuit, etc.

[0032] A buzzer and a communication interface are also provided on the integrated controller. The communication interface is used to provide data output, and it is an RS485 interface using the Modbus RTU communication protocol.

[0033] The utility model has a simple structure and low cost, realizes the input and output of process control logic and control parameters, meets the control requirements of the purification tank. The provided communication interface reserves a hardware interface for big data upload, so that information such as the operation data of the purification tank can be diagnosed through big data analysis later, and the operation state of the purification tank can be judged in time or the faults of the purification tank can be checked.

[0034] The above embodiments are only the preferred embodiments of the utility model, and do not limit the technical solutions of the utility model. As long as the technical solutions that can be realized on the basis of the above embodiments without creative labor shall be regarded as falling within the scope of the patent rights of the utility model.

Claims

1. A purification tank control system, characterized in that, Including: An integrated controller; A display unit, a control unit and an execution unit, electrically connected to the integrated controller; A power supply, electrically connected to the integrated controller and the execution unit; Wherein, the integrated controller is a single-chip microcomputer, the execution unit includes a valve group, a pump group and an execution circuit, the valve group includes a plurality of solenoid valves, the pump group includes a lift pump and an air pump, the lift pump is used for sewage transportation, an aeration device and a phosphorus removal device are provided in the purification tank, the air pump serves as the air source of the aeration device, and the execution circuit is the control circuit of the phosphorus removal device.

2. The purification tank control system according to claim 1, wherein The power supply is an AC power supply, and a power supply interface matching the AC power supply is provided on the integrated controller, and the power supply interface is single-phase, AC220V.

3. The purification tank control system according to claim 1, characterized in that, The display unit is an LED panel or an LCD panel, with a size larger than 1.3 inches, and a human-machine interface matching it is provided on the integrated controller.

4. The purification tank control system according to claim 1, wherein The control unit includes a liquid level sensor and an operation module. A rectifier circuit is provided in the integrated controller to supply DC power to the control unit through the rectifier circuit, and the control unit transmits a DC signal to the integrated controller.

5. The purification tank control system according to claim 4, wherein The liquid level sensor is a float liquid level switch. Two float liquid level switches are provided and are respectively arranged at high and low liquid levels to transmit signals to the integrated controller when the water level is at high and low levels.

6. The purification tank control system according to claim 4, wherein, The operation module includes a control board, and manual control buttons and status indicator lights are provided on the control board.

7. The purification tank control system according to any one of claims 1 to 6, characterized in that, The input end of the integrated controller includes 16 channels of digital quantity detection and 2 channels of 4-20mA current signal detection.

8. The purification tank control system according to any one of claims 1 to 6, characterized in that, The output end of the integrated controller includes 10 channels of AC220V 200W relay output.

9. The septic tank control system according to any one of claims 1 to 6, characterized in that A buzzer and a communication interface are provided on the integrated controller, and the communication interface is an RS485 interface using the Modbus RTU communication protocol.

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