A sewage pump cluster wireless monitoring system

Abstract

The utility model relates to water pump monitoring technical field especially, relates to a kind of sewage water pump cluster wireless monitoring system, including wireless cluster system, data acquisition unit, PLC control system, electric actuator, ultrasonic cleaning drive circuit, mobile terminal and cloud, the wireless cluster system includes Lora module, Lora gateway and 4G module, Lora module is integrated and electrically connected in the data acquisition unit and PLC control system, the signal line of the data acquisition unit is connected to Lora module and PLC control system input respectively, the PLC control system output end is connected to electric actuator and ultrasonic cleaning drive circuit, Lora module is wirelessly connected to Lora gateway, Lora gateway is wirelessly connected 4G module, 4G module is wirelessly connected to mobile terminal and cloud;The utility model realizes water pump cluster long-distance, wireless state monitoring, also can carry out real-time cleaning for the sensor used for sewage detection.

Description

TECHNICAL FIELD

[0001] The utility model relates to water pump monitoring technical field especially relates to a sewage water pump cluster wireless monitoring system. BACKGROUND

[0002] In the industrial production process of petroleum chemical industry, pharmacy, electroplating, printing and dyeing etc., a large amount of industrial sewage with complex components, high corrosiveness, high toxicity or containing refractory substances will be produced. The lifting and conveying of these sewage depend on the industrial sewage water pump cluster distributed in the factory area. The cluster is the key link of the factory sewage treatment station and even the whole safety production system, and its reliability, stability and high efficiency are directly related to the continuous operation of the production line, the environmental protection standard discharge and the operation cost of the enterprise.

[0003] At present, the monitoring and management of industrial sewage water pump cluster mainly follow the traditional mode, which exposes many difficult-to-overcome technical pain points in actual application and cannot meet the needs of modern intelligent factory:

[0004] 1. The water pump cluster is far away, and it is not convenient to rewire for unified state monitoring, and abnormal units cannot be monitored in time;

[0005] 2. The detection sensor in the sewage is easy to produce dirt, causing inaccurate detection of the detection sensor, and even affecting the service life of the detection sensor. INVENTION CONTENTS

[0006] The utility model provides a sewage water pump cluster wireless monitoring system solves the problem that the water pump cluster is far away, and it is not convenient to rewire for unified state monitoring, and abnormal units cannot be monitored in time, and can also carry out real time cleaning to the sensor for detection.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0008] A sewage water pump cluster wireless monitoring system, including wireless cluster system, data acquisition unit, PLC control system, electric actuating mechanism, ultrasonic cleaning drive circuit, mobile terminal and cloud end, the wireless cluster system includes Lora module, Lora gateway and 4G module, the data acquisition unit and PLC control system are integrated and electrically connected Lora module, the signal line of data acquisition unit is connected to Lora module and PLC control system input respectively, the output end of PLC control system is connected to electric actuating mechanism, Lora module is wirelessly connected to Lora gateway, Lora gateway is wirelessly connected 4G module, 4G module is wirelessly connected to mobile terminal and cloud end;

[0009] The data acquisition unit comprises a water pump flow sensor, a liquid level sensor, a pressure sensor, a sewage temperature sensor, a sludge interface instrument, a water pump current sensor, a water pump voltage sensor, a water pump vibration sensor and a water pump temperature sensor;

[0010] The ultrasonic cleaning driving circuit is arranged at a position capable of cleaning the data acquisition unit, and comprises a shell, an ultrasonic generating circuit and a control circuit, the ultrasonic generating circuit and the control circuit are arranged in the shell, the ultrasonic waves generated by the ultrasonic generating circuit are distributed in an emission channel of the shell towards the data acquisition unit, a signal input end of the ultrasonic generating circuit is connected to a signal output end of the control circuit, and a signal input end of the control circuit is connected to a signal output end of the PLC control system.

[0011] Further, the PLC control system comprises a master station PLC system and a slave station PLC system, and a Lora module is arranged in each of the master station PLC system and the slave station PLC system and electrically connected, a signal line of the data acquisition unit is connected to a signal input end of the slave station PLC system, and the slave station PLC system is wirelessly connected to the master station PLC system through the Lora module.

[0012] Further, the master station PLC system and the slave station PLC system each comprise a power module, a CPU module, a digital quantity input and output module, an analog quantity input and output module and a communication module.

[0013] Further, the control circuit comprises a control chip, a capacitor, a crystal oscillator circuit and a resistor R1, the control chip adopts an AT89C51 chip, two ends of the capacitor are respectively connected to a RST pin and an EA pin of the control chip, the EA pin of the control chip is in communication with a VCC pin, the RST pin of the control chip is further connected to one end of a common connection line of the resistor R1 and the capacitor, XTAL2 and XTAL3 pins of the control chip are connected to input and output ends of the crystal oscillator circuit, a grounding end of the crystal oscillator circuit is connected to the other end of the resistor R1, and P1.0 and P1.1 pins of the control chip are connected to signal output ends of the PLC control system.

[0014] Further, the ultrasonic generating circuit comprises an ultrasonic transducer and a resistor R2, one end of the ultrasonic transducer is connected to a P0.0 pin of the control chip and a common connection end of the resistor R2, the other end of the resistor R2 is connected to a VCC end of the control chip, and the other end of the ultrasonic transducer is grounded.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1) By adopting various data acquisition units, real-time state monitoring of a sewage water pump cluster can be realized;

[0017] 2) by connecting the data acquisition unit and the PLC control system electrically Lora module, and configuring Lora gateway and 4G module, solve the water pump cluster's long distance wiring and data transmission problem, also can be through the wireless communication in mobile terminal and cloud real-time monitoring sewage water pump cluster's running state;

[0018] 3) through the ultrasonic cleaning drive circuit connection PLC control system's output, realize each sensor in the data acquisition unit real-time or periodic ultrasonic cleaning, avoid repeatedly maintaining sensor lead to influence production and monitoring, through the cleaning of ultrasonic wave makes each sensor in the data acquisition unit detection more accurate, longer life;

[0019] 4) through Lora module, Lora gateway and 4G module for sewage water pump cluster join the Internet of things lays the foundation. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the structural diagram of the utility model.

[0021] Figure 2 is the control circuit structure schematic view of the utility model.

[0022] Figure 3 is the ultrasonic wave generating circuit structure schematic view of the utility model. DETAILED DESCRIPTION

[0023] The specific implementation of the utility model will be further described below in conjunction with the drawings:

[0024] See Figure 1 , the structural diagram of the utility model. The utility model discloses a sewage water pump cluster wireless monitoring system, including wireless cluster system, data acquisition unit, PLC control system, electric actuator, ultrasonic cleaning drive circuit, mobile terminal and cloud, the wireless cluster system includes Lora module, Lora gateway and 4G module;

[0025] The PLC control system includes master station PLC system and slave station PLC system, and Lora module is arranged in the master station PLC system and slave station PLC system and is electrically connected, the slave station PLC system is wirelessly connected to the master station PLC system through Lora module, and the master station PLC system and slave station PLC system all include power module, CPU module, digital quantity input and output module, analog quantity input and output module and communication module.

[0026] The Lora module is integrated in the data acquisition unit and electrically connected, the signal line of the data acquisition unit is connected to the Lora module and the input end of the slave PLC system respectively, the output end of the slave PLC system is connected to the electric actuator, the Lora module is wirelessly connected to the Lora gateway, the Lora gateway is wirelessly connected to the 4G module, and the 4G module is wirelessly connected to the mobile terminal and the cloud.

[0027] The data acquisition unit comprises a water pump flow sensor, a liquid level sensor, a pressure sensor, a sewage temperature sensor, a sludge interface instrument, a water pump current sensor, a water pump voltage sensor, a water pump vibration sensor and a water pump temperature sensor.

[0028] The ultrasonic cleaning driving circuit is arranged at a position capable of cleaning the data acquisition unit, the ultrasonic cleaning driving circuit comprises a shell, an ultrasonic generating circuit and a control circuit, the ultrasonic generating circuit and the control circuit are arranged in the shell, the ultrasonic waves emitted by the ultrasonic generating circuit are distributed in an emission channel of the shell towards the data acquisition unit, the signal input end of the ultrasonic generating circuit is connected to the signal output end of the control circuit, and the signal input end of the control circuit is connected to the signal output end of the PLC control system.

[0029] See Figure 2 , the control circuit comprises an AT89C51 chip, a capacitor C1, a crystal oscillator circuit and a resistor R1, the control chip adopts the AT89C51 chip, the capacitor C1 is connected to the RST pin and the EA pin of the AT89C51 chip respectively, the EA pin of the AT89C51 chip is in communication with the VCC pin, the RST pin of the AT89C51 chip is further connected to one end of the common connection of the resistor R1 and the capacitor C1, the XTAL2 and XTAL3 pins of the AT89C51 chip are connected to the input and output ends of the crystal oscillator circuit, the ground end of the crystal oscillator circuit is connected to the other end of the resistor R1, and the P1.0 and P1.1 pins of the AT89C51 chip are connected to the digital quantity output end of the digital quantity input and output module in the master PLC system.

[0030] See Figure 3 , the ultrasonic generating circuit comprises an ultrasonic transducer T and a resistor R2, one end of the ultrasonic transducer is connected to the P0.0 pin of the AT89C51 chip and the common connection end of the resistor R2, the other end of the resistor R2 is connected to the VCC end of the AT89C51 chip, and the other end of the ultrasonic transducer is grounded.

[0031] Working principle: water pump flow sensor, liquid level sensor, pressure sensor, sewage temperature sensor and sludge interface instrument, water pump current sensor, water pump voltage sensor, water pump vibration sensor and water pump temperature sensor real-time detection data, the signal lines of the above sensors are connected to the Lora module and the slave station PLC system respectively, the slave station PLC system is wirelessly connected to the master station PLC system through the Lora module, the data of the above sensors and the control data of the PLC are wirelessly transmitted to the Lora gateway through the Lora module, the Lora gateway realizes long-distance multipoint transmission, and is wirelessly connected to the mobile terminal and the cloud through the 4G module, the detected data and the control data of the PLC control system are analyzed and processed in the mobile terminal and the cloud, realizing wireless real-time monitoring of the sewage pump cluster, and the water pump cluster, the water pump with running state temperature rise, energy consumption, vibration and other values significantly different from normal values is alarm processed, and the electric actuator is controlled by the PLC control system to process the water pump or sewage, and personnel are reminded to investigate and handle the scene.

[0032] The data acquisition unit is arranged at a position capable of detecting required data, for example, the liquid level sensor is arranged in the water pump shell to detect the corrosion condition of the water pump shell and the height of water entering the shell; the pressure sensor is arranged at the outlet of the water pump pipeline to detect the output pressure of the water pump, so as to detect the change of the outlet water pressure under the same water pump frequency condition, when the water pump control frequency is the same, the fluid pressure detected by the pressure sensor becomes smaller, proving that the water pump outlet pipeline is blocked; the water pump flow sensor, the water pump current sensor, the water pump voltage sensor, the water pump vibration sensor and the water pump temperature sensor are used to detect the flow, current, voltage, vibration and temperature change of the water pump in real time, so as to judge the running state of the sewage pump.

[0033] The master station PLC system controls the control circuit in the ultrasonic cleaning driving circuit through a signal, the control circuit controls the ultrasonic wave generating circuit to emit ultrasonic waves, and the water pump flow sensor, the liquid level sensor, the pressure sensor, the sewage temperature sensor and the sludge interface instrument, the water pump current sensor, the water pump voltage sensor, the water pump vibration sensor and the water pump temperature sensor are periodically or in real time cleaned as required.

[0034] The above embodiments are implemented on the premise of the technical scheme of the utility model, and detailed implementation modes and specific operation processes are given, but the protection scope of the utility model is not limited to the above embodiments. The methods used in the above embodiments are all conventional methods unless otherwise specified.

Claims

1. A wireless monitoring system for a sewage pump cluster, characterized in that, The wireless cluster system, the data acquisition unit, the PLC control system, the electric actuator, the ultrasonic cleaning driving circuit, the mobile terminal and the cloud are connected, the wireless cluster system comprises a Lora module, a Lora gateway and a 4G module, the Lora module is integrated in the data acquisition unit and the PLC control system and electrically connected, the signal line of the data acquisition unit is connected to the Lora module and the input end of the PLC control system respectively, the output end of the PLC control system is connected to the electric actuator, the Lora module is wirelessly connected to the Lora gateway, the Lora gateway is wirelessly connected to the 4G module, and the 4G module is wirelessly connected to the mobile terminal and the cloud; The data acquisition unit comprises a water pump flow sensor, a liquid level sensor, a pressure sensor, a sewage temperature sensor and a sludge interface instrument, a water pump current sensor, a water pump voltage sensor, a water pump vibration sensor and a water pump temperature sensor; The ultrasonic cleaning driving circuit is arranged at a position capable of cleaning the data acquisition unit, the ultrasonic cleaning driving circuit comprises a shell, an ultrasonic generating circuit and a control circuit, the ultrasonic generating circuit and the control circuit are arranged in the shell, the ultrasonic waves emitted by the ultrasonic generating circuit are distributed in the emission channel of the shell towards the data acquisition unit, the signal input end of the ultrasonic generating circuit is connected to the signal output end of the control circuit, and the signal input end of the control circuit is connected to the signal output end of the PLC control system.

2. The wireless monitoring system for a cluster of sewage pumps according to claim 1, wherein, The PLC control system comprises a master station PLC system and a slave station PLC system, the Lora module is arranged in the master station PLC system and the slave station PLC system and electrically connected, the signal line of the data acquisition unit is connected to the signal input end of the slave station PLC system, and the slave station PLC system is wirelessly connected to the master station PLC system through the Lora module.

3. The wireless monitoring system for a cluster of sewage pumps according to claim 2, wherein, The master station PLC system and the slave station PLC system each comprise a power module, a CPU module, a digital quantity input and output module, an analog quantity input and output module and a communication module.

4. The wireless monitoring system for a cluster of sewage pumps according to claim 1, wherein, The control circuit comprises a control chip, a capacitor, a crystal oscillator circuit and a resistor R1, the control chip adopts an AT89C51 chip, the capacitor is connected to the RST pin and the EA pin of the control chip respectively, the EA pin of the control chip is in communication with the VCC pin, the RST pin of the control chip is further connected to one end of the common connection line of the resistor R1 and the capacitor, the XTAL2 and XTAL3 pins of the control chip are connected to the input and output ends of the crystal oscillator circuit, the grounding end of the crystal oscillator circuit is connected to the other end of the resistor R1, and the P1.0 and P1.1 pins of the control chip are connected to the signal output end of the PLC control system.

5. The wireless monitoring system for a cluster of sewage pumps according to claim 4, wherein, The ultrasonic generating circuit comprises an ultrasonic transducer and a resistor R2, one end of the ultrasonic transducer is connected to the P0.0 pin of the control chip and the common connection end of the resistor R2, the other end of the resistor R2 is connected to the VCC end of the control chip, and the other end of the ultrasonic transducer is grounded.

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