Integrated sewage treatment equipment control device

Abstract

The embodiment of the utility model discloses an integrated sewage treatment equipment control device, comprising a circuit board which is provided with a control unit, a communication unit, a signal input unit and a signal output unit; the circuit board is provided with a moisture-proof, salt-mist-proof and mildew-proof coating, and the communication unit, the signal input unit and the signal output unit are respectively connected with the control unit; wherein the control unit comprises an ARM processor, by implementing the control device provided by the embodiment of the utility model, long-time stable use can be realized, the size is small, more positions can be reserved for protective electrical components, and the size of an electric cabinet is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment equipment, in particular to an integrated sewage treatment equipment control device. Background Art

[0002] Sewage treatment equipment is an industrial equipment that can effectively treat urban domestic sewage, industrial wastewater, etc., and prevent sewage and pollutants from directly flowing into water areas. It is of great significance to improving the ecological environment, enhancing the quality of the city and promoting economic development.

[0003] The electrical control cabinet of existing sewage equipment is generally placed above the reaction tank. Affected by the corrosive water vapor, the PLC control system begins to malfunction after a few months of operation and needs to be repaired before it can be used normally. In addition, the PLC control system is large in size and occupies a large space, making it impossible to accommodate more electrical components in the space-constrained electrical control cabinet.

[0004] Therefore, it is necessary to design a new control device that can achieve long-term stable use, small size, and reserve more space for protective electrical components and reduce the size of the electrical cabinet. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide an integrated sewage treatment equipment control device.

[0006] To solve the above technical problems, the purpose of the utility model is achieved through the following technical solutions: providing an integrated sewage treatment equipment control device, including: a circuit board, on which a control unit, a communication unit, a signal input unit and a signal output unit are arranged; the circuit board is provided with a coating for moisture-proof, salt spray-proof and mildew-proof, and the communication unit, signal input unit and signal output unit are respectively connected to the control unit; wherein the control unit includes an ARM processor.

[0007] A further technical solution is as follows: the signal input unit includes an interface P5, and the interface P5 is respectively connected to a lift pump contactor, a lift pump thermal relay, a blower contactor, a blower thermal relay, a water production pump contactor and a water production pump thermal relay.

[0008] A further technical solution is as follows: the signal input unit comprises an interface P8, and the interface P8 is respectively connected to a circulation pump contactor, a circulation pump thermal relay, a water production valve, a backwash valve and an automatic button.

[0009] A further technical solution is as follows: a photoelectric coupler is connected between the interface P5 and the control unit, and an indicator light is connected to one end of the photoelectric coupler connected to the control unit.

[0010] A further technical solution is as follows: a photoelectric coupler is connected between the interface P8 and the control unit, and an indicator light is connected to one end of the photoelectric coupler connected to the control unit.

[0011] A further technical solution is as follows: a driver U7 and a plurality of relays are connected between the signal output unit and the control unit; the driver U7 is connected to the relay; and the relay is connected to the signal output unit.

[0012] A further technical solution is: the relay is also connected to an indicator light.

[0013] Its further technical solution is: the signal output unit includes an interface P3 and an interface P4, the interface P3 is respectively connected to the lifting pump, the blower and the water production pump; the interface P4 is respectively connected to the circulation pump, the water production valve, the backwash valve and the automatic indicator light.

[0014] Its further technical solution is: the communication unit includes a 485 communication interface, a 232 communication interface and a network port communication module.

[0015] Its further technical solution is: it also includes a circuit board function selection unit and a power supply unit, and the circuit board function selection unit and the power supply unit are respectively connected to the control unit.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the utility model sets a circuit board, on which a control unit, a communication unit, a signal input unit and a signal output unit are arranged, and the circuit board is provided with a coating for moisture-proof, salt spray-proof and mildew-proof, and is not easily affected by corrosive moisture; it can achieve long-term stable use, has a small size, can reserve more space for protective electrical components, and reduces the size of the electric cabinet.

[0017] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 A schematic block diagram of an integrated sewage treatment equipment control device provided by an embodiment of the utility model;

[0020] Figure 2 A specific circuit schematic diagram of a control unit provided by an embodiment of the utility model;

[0021] Figure 3 A specific circuit schematic diagram of a signal input unit provided by an embodiment of the utility model;

[0022] Figure 4 A specific circuit schematic diagram of a signal output unit provided in an embodiment of the utility model;

[0023] Figure 5 A specific circuit schematic diagram of a communication unit provided in an embodiment of the utility model;

[0024] Figure 6 A specific circuit schematic diagram of a circuit board function selection unit provided in an embodiment of the utility model;

[0025] Figure 7 A specific circuit schematic diagram of a power supply unit provided in an embodiment of the utility model;

[0026] Description of the symbols in the figure:

[0027] 10. Control unit; 20. Communication unit; 30. Signal input unit; 40. Signal output unit. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.

[0030] It should also be understood that the terms used in this utility model specification are only for the purpose of describing specific embodiments and are not intended to limit the utility model. As used in this utility model specification and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.

[0031] It should be further understood that the term “and / or” used in the present specification and the appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0032] See also Figure 1 , Figure 1 The schematic block diagram of the integrated sewage treatment equipment control device provided for the embodiment of the utility model can be used in sewage treatment scenarios to achieve long-term stable use. It has a small size, can reserve more space for protective electrical components, and reduce the size of the electrical cabinet.

[0033] See also Figure 1 The above-mentioned integrated sewage treatment equipment control device includes: a circuit board, on which a control unit 10, a communication unit 20, a signal input unit 30 and a signal output unit 40 are arranged; the circuit board is provided with a coating for moisture-proof, salt spray-proof and mildew-proof, and the communication unit 20, the signal input unit 30 and the signal output unit 40 are respectively connected to the control unit 10; wherein the control unit 10 includes an ARM processor.

[0034] In this embodiment, after spraying the three-proof glue, it can be used stably for a long time, and the circuit board is small in size, so more space can be reserved for protective electrical components and the size of the electrical cabinet can be reduced.

[0035] Specifically, the control unit 10 is composed of an ARM processor, which is used to process various input signals and perform control operations according to preset logic and algorithms. The communication unit 20 is responsible for communicating with external devices or systems, which may include sensors, monitoring systems or remote control centers. The signal input unit 30 receives various signals from sensors or external devices, such as temperature, pressure, flow, etc. The signal output unit 40 sends control signals to the actuator or external device, such as start / stop instructions, adjusting the valve opening, etc.

[0036] After spraying the three-proof glue, it can provide waterproof, dustproof and anti-corrosion protection, so that the circuit board can be used stably for a long time. At the same time, due to the small size of the circuit board, more space can be reserved for protective electrical components, reducing the size of the electrical cabinet, thereby reducing the overall equipment footprint.

[0037] Therefore, the benefits of this integrated sewage treatment equipment control device include stability, durability, compact size, and small footprint, and it is suitable for environments that require equipment size and stability.

[0038] In one embodiment, see Figure 2 The model of the control unit 10 is but not limited to STM32F103VBT6.

[0039] In one embodiment, see Figure 3 The signal input unit 30 includes an interface P5, to which a lift pump contactor, a lift pump thermal relay, a blower contactor, a blower thermal relay, a water production pump contactor and a water production pump thermal relay are respectively connected.

[0040] In one embodiment, see Figure 3 The signal input unit 30 includes an interface P8, which is respectively connected to a circulating pump contactor, a circulating pump thermal relay, a water production valve, a backwash valve and an automatic button.

[0041] In one embodiment, see Figure 3 A photoelectric coupler is connected between the above-mentioned interface P5 and the control unit 10, and an indicator light is connected to one end of the photoelectric coupler connected to the control unit 10.

[0042] Specifically, each point of the interface P5 is connected to a photocoupler such as Q9 to Q16, and each photocoupler is connected to an indicator light for indicating the connection state of the point connected to the photocoupler.

[0043] Specifically, port 1 of interface P5 is connected to the lifting pump contactor pull-in signal, port 2 is connected to the lifting pump thermal relay tripping signal, port 3 is connected to the blower A contactor pull-in signal, port 4 is connected to the blower A thermal relay tripping signal, port 5 is connected to the blower B contactor pull-in signal, port 6 is connected to the blower B thermal relay tripping signal, port 7 is connected to the water production pump contactor pull-in signal, and port 8 is connected to the water production pump thermal relay tripping signal.

[0044] In one embodiment, see Figure 3 A photoelectric coupler is connected between the above-mentioned interface P8 and the control unit 10, and an indicator light is connected to one end of the photoelectric coupler connected to the control unit 10.

[0045] Specifically, each point of the interface P8 is connected to a photocoupler such as Q1 to Q8, and each photocoupler is connected to an indicator light for indicating the connection state of the point connected to the photocoupler.

[0046] Port 1 of interface P8 is connected to the circulation pump contactor pull-in signal, port 2 is connected to the circulation pump thermal relay tripping signal, port 3 is connected to the water production valve full close signal, port 4 is connected to the water production valve full open signal, port 5 is connected to the backwash valve full close signal, port 6 is connected to the backwash valve full open signal, and port 7 is connected to the system automatic button.

[0047] Interface P5 is connected to the lift pump contactor, lift pump thermal relay, blower contactor, blower thermal relay, water production pump contactor and water production pump thermal relay. These are signal input units 30 for controlling the lift pump, blower and water production pump.

[0048] Interface P8 is connected to the circulation pump contactor, circulation pump thermal relay, water production valve, backwash valve and automatic button. These are signal input units 30 for controlling the circulation pump, water production valve, backwash valve and other equipment.

[0049] The photocoupler can be used to isolate and protect the electrical signal transmission between the control unit 10 and the external device, while the indicator light can display the connection status or fault information.

[0050] The specific working principle is that these interfaces transmit signals to the control unit 10 by connecting different devices and components, thereby realizing the control and operation of the sewage treatment equipment. The benefits include:

[0051] Flexibility: By connecting different devices and components, different sewage treatment equipment can be controlled and operated according to actual needs to achieve flexible operation modes.

[0052] Protection function: Through the use of optocouplers, the electrical signal transmission between the control unit 10 and external devices can be effectively isolated and protected, reducing the possibility of interference and failure.

[0053] Visual Indication: Through the connection and display of indicator lights, visual feedback of connection status and fault information can be provided to help operators monitor and troubleshoot.

[0054] Overall, these features and connection methods provide a more reliable and safe control device, allowing the sewage treatment equipment to operate more stably and efficiently.

[0055] In one embodiment, see Figure 4 A driver U7 and several relays are connected between the signal output unit 40 and the control unit 10 . The driver U7 is connected to the relay; and the relay is connected to the signal output unit 40 .

[0056] In one embodiment, see Figure 4 , the above-mentioned relay is also connected with an indicator light.

[0057] Specifically, each terminal pin of the driver U7 is connected to a relay, such as J1 to J8, and each relay is connected to an indicator light.

[0058] In one embodiment, see Figure 4 The signal output unit 40 includes an interface P3 and an interface P4. The interface P3 is respectively connected to the lifting pump, the blower and the water production pump; the interface P4 is respectively connected to the circulation pump, the water production valve, the backwash valve and the automatic indicator light.

[0059] In this embodiment, ports 2 and 3 of interface P3 are connected to the lift pump, ports 5 and 6 are connected to blower A, ports 8 and 9 are connected to blower B, and ports 11 and 12 are connected to the water production pump; ports 2 and 3 of interface P4 are connected to the circulation pump, ports 5 and 6 are connected to the water production valve, ports 8 and 9 are connected to the backwash valve, and ports 11 and 12 are connected to the system automatic indicator light.

[0060] Specifically, the control unit 10 generates corresponding control signals through the signal output unit 40; these control signals are amplified and processed by the driver U7; the driver U7 transmits the amplified and processed signals to the connected relays; the relays perform switching operations according to the received signals to control the status of the corresponding devices or components; at the same time, the relays are also connected to indicator lights to display the status of the control signals.

[0061] Benefits include:

[0062] Enhanced signal transmission: Driver U7 can enhance the strength and stability of the signal to ensure reliable signal transmission;

[0063] Protecting the control unit 10: The presence of the relay can isolate the electrical connection between the signal output unit 40 and the control unit 10, protecting the control unit 10 from external interference;

[0064] Operation Indicator: The indicator light connected to the relay can provide a visual display of the equipment status, making it easier for the operator to monitor and understand the system operation;

[0065] In summary, through the connection of the driver and the relay, the integrated sewage treatment equipment control device can achieve reliable signal transmission and equipment status control, and provide operation indication function.

[0066] In one embodiment, see Figure 5 The communication unit 20 includes a 485 communication interface, a 232 communication interface and an Ethernet communication module.

[0067] In this embodiment, the 485 communication interface includes a 485 communication chip U4 and an interface P1; the 232 communication interface includes a 232 communication chip U8 and an interface P6.

[0068] In this embodiment, the network port communication module includes a network port chip U2 and an interface DB1.

[0069] Specifically, a high-speed ARM processor is used as the control unit 10, with isolated 485 and 232 communication interfaces, and ESD, overvoltage, and overcurrent protection functions to avoid the impact of field signals on the communication interface. The communication interfaces can be used at the same time, with network port communication, and can be expanded to install remote control devices in the later stage. The system controls the lifting pump, blower A, blower B, water production pump, circulation pump, water production valve, and backwash valve. The 485 communication is connected to the water inlet and water production flowmeter to read the real-time and cumulative flow. The 232 communication is connected to the touch screen, which can display the equipment operation status in real time.

[0070] In one embodiment, see Figure 6 and Figure 7The above-mentioned integrated sewage treatment equipment control device also includes a circuit board function selection unit and a power supply unit, and the circuit board function selection unit and the power supply unit are respectively connected to the control unit 10.

[0071] In this embodiment, the circuit board function selection unit includes a 10-bit red dip switch SW1.

[0072] In one embodiment, see Figure 7 The above-mentioned power supply unit includes a charging interface DC24, a power chip U1, a forward low-dropout voltage regulator U3, and a power module U5. The charging interface DC24 is connected to the power chip U1, the power chip U1 is connected to the forward low-dropout voltage regulator U3; the power module U5 is connected to the power chip U1.

[0073] Specifically, the charging interface DC24 provides DC power input; the power chip U1 adjusts the voltage according to the input voltage and outputs it to the forward low-dropout regulator U3; the forward low-dropout regulator U3 stabilizes the voltage within a set range and outputs it to the power module U5; the power module U5 uses the stable voltage to provide power to the entire control device.

[0074] This power supply unit design has the following benefits:

[0075] Stability: By regulating and stabilizing the voltage through the power chip U1 and the forward low-dropout regulator U3, it can ensure that the device obtains a stable power supply, thereby ensuring the normal operation of the device. High efficiency: Since the power chip U1 realizes the voltage regulation function, the power chip U1 can automatically adjust the output voltage under different input power conditions, thereby improving the power utilization efficiency of the entire control device. Charging function: Through the connection of the charging interface DC24, the charging function can be provided for the entire control device to ensure that the control device can still work normally when the external power supply is unstable or unavailable.

[0076] In a word, the design of this power supply unit can provide efficient, stable and reliable power supply, thus ensuring the normal operation of the control device.

[0077] The above-mentioned integrated sewage treatment equipment control device is provided with a circuit board, on which a control unit 10, a communication unit 20, a signal input unit 30 and a signal output unit 40 are provided, and the circuit board is provided with a coating for moisture-proof, salt spray-proof and mildew-proof, and is not easily affected by corrosive water vapor; it can achieve long-term stable use, has a small size, and can reserve more space for protective electrical components and reduce the size of the electrical cabinet.

[0078] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the utility model, and these modifications or replacements should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. Integrated sewage treatment equipment control device, characterized in that: include: A circuit board, wherein a control unit, a communication unit, a signal input unit and a signal output unit are arranged on the circuit board; a coating for moisture-proof, salt spray-proof and mildew-proof is arranged on the circuit board, and the communication unit, the signal input unit and the signal output unit are respectively connected to the control unit; wherein the control unit includes an ARM processor.

2. The integrated sewage treatment equipment control device according to claim 1, characterized in that: The signal input unit includes an interface P5, to which a lift pump contactor, a lift pump thermal relay, a blower contactor, a blower thermal relay, a water production pump contactor, and a water production pump thermal relay are respectively connected.

3. The integrated sewage treatment equipment control device according to claim 2, characterized in that: The signal input unit includes an interface P8, and the interface P8 is respectively connected to a circulation pump contactor, a circulation pump thermal relay, a water production valve, a backwash valve and an automatic button.

4. The integrated sewage treatment equipment control device according to claim 3, characterized in that: A photoelectric coupler is connected between the interface P5 and the control unit, and an indicator light is connected to one end of the photoelectric coupler connected to the control unit.

5. The integrated sewage treatment equipment control device according to claim 3, characterized in that: A photoelectric coupler is connected between the interface P8 and the control unit, and an indicator light is connected to one end of the photoelectric coupler connected to the control unit.

6. The integrated sewage treatment equipment control device according to claim 1, characterized in that: A driver U7 and a plurality of relays are connected between the signal output unit and the control unit. The driver U7 is connected to the relays; and the relays are connected to the signal output unit.

7. The integrated sewage treatment equipment control device according to claim 6, characterized in that: The relay is also connected to an indicator light.

8. The integrated sewage treatment equipment control device according to claim 6, characterized in that: The signal output unit includes an interface P3 and an interface P4, wherein the interface P3 is respectively connected to a lift pump, a blower and a water production pump; and the interface P4 is respectively connected to a circulation pump, a water production valve, a backwash valve and an automatic indicator light.

9. The integrated sewage treatment equipment control device according to claim 1, characterized in that: The communication unit includes a 485 communication interface, a 232 communication interface and an Ethernet communication module.

10. The integrated sewage treatment equipment control device according to claim 1, characterized in that: It also includes a circuit board function selection unit and a power supply unit, and the circuit board function selection unit and the power supply unit are respectively connected to the control unit.

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