Multi-pump protection networking management system

Abstract

The utility model relates to a multi-pump protection networking management system which comprises a PLC (Programmable Logic Controller), the PLC is in communication connection with an acquisition module, and the acquisition module is connected with a pump machine state detection circuit; the pump state detection circuit comprises a winding temperature detection sensor, a pump bearing temperature sensor, a pump vibration sensor, a liquid level sensor and an oil-water mixture sensor; the number of the acquisition modules corresponds to the number of the plurality of pump machines, and the plurality of acquisition modules are in communication connection with one PLC; the PLC controller is also in communication connection with an HMI module and an upper computer. According to the utility model, the acquisition modules are arranged, the acquisition modules uniformly receive detection parameters of the pump machine state detection circuit, the plurality of acquisition modules are in communication connection with one PLC, simultaneous monitoring and control of a plurality of water pumps are realized, the circuit structure is simple, and circuit wiring is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pump machine control field, especially relates to a multi -pump protection networking management system. BACKGROUND

[0002] At present, the large -scale pump machine on market is connected to the field control cabinet, and all the sensor wiring of the pump machine is connected to the protector through the control cable, and this control system has the following problems:

[0003] (1) Because there are multiple pump machines, the number of sensors is large, and the protector is arranged in the field control cabinet, so the wiring in the control cabinet is complex.

[0004] (2) The pump machine works in water, and when the pump machine vibrates, too many wires and cable swing are prone to misoperation, and the pump machine is damaged in serious cases.

[0005] In order to solve the above problems, the multi -pump protection management system of the model MAS801 is produced by Sairem, and the system can control up to 8 pump machines at the same time. However, the system is expensive, and the compatibility with other control devices is poor, so the system cannot be used with other devices.

[0006] Therefore, a multi -pump management system is needed to solve the problem of complex wiring, realize multi -pump networking, and facilitate monitoring and control. SUMMARY

[0007] The utility model discloses to solve the existing multi -pump machine management equipment poor universality and single -pump control wiring complex, prone to misoperation, proposes a kind of multi -pump protection networking management system, acquisition module is arranged on each pump machine, acquisition module receives pump machine state detection circuit detection parameter uniformly, multiple acquisition modules are connected with one PLC controller, realize the monitoring and control of multiple water pumps simultaneously, circuit structure is simple, greatly reduce circuit wiring.

[0008] In order to achieve the above purpose, the utility model provides a kind of multi -pump protection networking management system, including multiple pump machines, multiple pump machines are respectively connected with protector, and pump machine state detection circuit is arranged on multiple pump machines, and the pump machine state detection circuit is connected with the protector, and the protector includes PLC controller, and the PLC controller is connected with acquisition module, and the acquisition module is connected with pump machine state detection circuit;

[0009] The pump machine state detection circuit includes winding temperature detection sensor, pump machine bearing temperature sensor, pump machine vibration sensor, liquid level sensor and oil mixing water sensor, and the output end of winding temperature detection sensor, pump machine bearing temperature sensor, pump machine vibration sensor, liquid level sensor and oil mixing water sensor is respectively connected with the input end of acquisition module.

[0010] The collecting modules correspond to the plurality of pumps, and the plurality of collecting modules are in communication connection with the PLC controller.

[0011] The PLC controller is further in communication connection with an HMI module and an upper computer.

[0012] Further, the pump is provided with a wiring chamber, and the collecting module is arranged in the wiring chamber.

[0013] The plurality of M31-AAAX4440 distributed IO modules are in communication connection with the PLC controller through a modbus bus.

[0014] Further, the liquid level sensor is arranged in the wiring chamber.

[0015] The liquid level sensor is used for detecting whether the wiring chamber leaks water, and if the wiring chamber has water, the signal output by the liquid level sensor changes, and the PLC controller receives the detection signal of the liquid level sensor through the collecting module.

[0016] Further, the PLC controller is in communication connection with a network server through the modbus bus, and the PLC controller is in communication connection with the HMI module and the upper computer through the network server.

[0017] The HMI module and the upper computer are used for realizing pump data display and saving, and are further used for realizing adjustment and control of the PLC controller.

[0018] Further, the winding temperature detection sensor comprises a winding A-phase temperature sensor, a winding B-phase temperature sensor and a winding C-phase temperature sensor, and output ends of the winding A-phase temperature sensor, the winding B-phase temperature sensor and the winding C-phase temperature sensor are connected with the collecting module.

[0019] The winding A-phase temperature sensor, the winding B-phase temperature sensor and the winding C-phase temperature sensor are arranged to detect temperatures of three-phase windings of the pump, and when the temperature reaches a set value, the PLC controller triggers a corresponding control instruction to control the pump to work or stop.

[0020] Further, the oil-water mixing sensor is arranged at a mechanical seal position of the pump, the oil-water mixing sensor comprises a capacitive sensor, and an output end of the capacitive sensor is connected with the collecting module.

[0021] Through the above technical scheme, the pump has the following beneficial effects:

[0022] The utility model discloses simple wiring is convenient for maintenance, realizes the multiple pump interlocking, is convenient for monitoring and control. Setting a PLC controller, PLC controller communication connects a plurality of acquisition modules, and the acquisition module is connected with the original pump machine state detection circuit, and the acquisition module is connected with the PLC controller communication connection replaces the wiring mode that a plurality of data lines respectively connect the protector, greatly reduces the wiring amount, and compared with the existing wiring mode, avoids the misoperation.

[0023] In addition, the PLC controller is in communication connection with the HMI module and the host computer, the detection data of the plurality of pump machines can be acquired through the HMI module and the host computer, and the running parameters are set. The PLC controller is high in adaptability and is convenient for communication with other equipment.

[0024] More than 8 pump machines can be controlled simultaneously using the PLC controller, the transformation cost is low, and the utility model discloses are convenient for promotion. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is one of circuit structure schematic diagram of the utility model discloses a multiple pump protection networking management system.

[0026] Figure 2 It is two of circuit structure schematic diagram of the utility model discloses a multiple pump protection networking management system.

[0027] Reference numeral: 2 is a PLC controller, 3 is an acquisition module, 4 is a pump machine bearing temperature sensor, 5 is a pump machine vibration sensor, 6 is a liquid level sensor, 7 is an oil mixed water sensor, 8 is an HMI module, 10 is a network server, 11 is an A-phase temperature sensor, 12 is a winding B-phase temperature sensor, 13 is a winding C-phase temperature sensor. DETAILED DESCRIPTION

[0028] The utility model will be further explained in connection with the drawings and specific embodiment:

[0029] Example 1

[0030] As Figure 1 And 2 As shown in a kind of multiple pump protection networking management system, including multiple pump machines, multiple the pump machine is connected with protector respectively, multiple pump machine state detection circuit is set on each of the pump machine, the pump machine state detection circuit is connected with protector, the protector includes PLC controller 2, the PLC controller 2 is connected with acquisition module 3 in communication, the acquisition module 3 connects pump machine state detection circuit;

[0031] The pump machine state detection circuit comprises a winding temperature detection sensor, a pump machine bearing temperature sensor 4, a pump machine vibration sensor 5, a liquid level sensor 6 and an oil-water mixing sensor 7, and the output ends of the winding temperature detection sensor, the pump machine bearing temperature sensor 4, the pump machine vibration sensor 5, the liquid level sensor 6 and the oil-water mixing sensor 7 are respectively connected to the input ends of the acquisition module 3.

[0032] The acquisition module 3 corresponds to a plurality of pump machines, and a plurality of acquisition modules 3 are in communication connection with the PLC controller 2.

[0033] The PLC controller 2 is further in communication connection with an HMI module 8 and an upper computer.

[0034] The pump machine is provided with a wiring room, and the acquisition module 3 is arranged in the wiring room, and the acquisition module 3 comprises an M31-AAAX4440 distributed IO module.

[0035] The M31-AAAX4440 distributed IO module is in communication connection with the PLC controller 2 through a modbus bus.

[0036] The liquid level sensor 6 is arranged in the wiring room.

[0037] The PLC controller 2 is in communication connection with a network server 10 through a modbus bus, and the PLC controller 2 is in communication connection with the HMI module 8 and the upper computer through the network server 10.

[0038] The winding temperature detection sensor comprises a winding A-phase temperature sensor 11, a winding B-phase temperature sensor 12 and a winding C-phase temperature sensor 13, and the output ends of the winding A-phase temperature sensor 11, the winding B-phase temperature sensor 12 and the winding C-phase temperature sensor 13 are respectively connected to the acquisition module 3.

[0039] The oil-water mixing sensor 7 is arranged at a mechanical seal position of the pump machine, and the oil-water mixing sensor 7 comprises a capacitive sensor, and the output end of the capacitive sensor is connected to the acquisition module 3.

[0040] In the embodiment, four pump machines (the number of pump machines can be increased or decreased as needed) are arranged, the winding A phase temperature sensor 11, the winding B phase temperature sensor 12 and the winding C phase temperature sensor 13 all adopt Pt100 type temperature sensors, the pump machine bearing temperature sensor 4 adopts a Pt100 type temperature sensor, the liquid level sensor 6 is a distance measuring sensor, the acquisition module 3 adopts an M31-AAAX4440 distributed IO module, the HMI module 8 selects a TPC1431NI touch screen, and the PLC controller 2 adopts a Siemens PLC200 smart SR30. A control circuit is arranged between the PLC control 2 and the pump machines, and the PLC control 2 controls the pump machines 1-4 to start and stop work through the control circuit.

[0041] When working, the PLC control 2 controls the pump machines 1-4 to work respectively. Taking the pump machine 1 as an example, when the pump machine 1 works, the winding A phase temperature sensor 11, the winding B phase temperature sensor 12 and the winding C phase temperature sensor 13 detect the temperatures of the three-phase windings of the pump machine 1 respectively, and transmit the detection parameters to the PLC control 2 through the acquisition module 3. If the temperature of one of the winding A phase temperature sensor 11, the winding B phase temperature sensor 12 and the winding C phase temperature sensor 13 is higher than the set temperature in the PLC controller 2, the PLC controller 2 controls the pump machine 1 to stop through the control circuit.

[0042] Meanwhile, the pump machine bearing temperature sensor 4 detects the bearing temperature of the pump machine 1, and transmits the detection parameters to the PLC control 2 through the acquisition module 3. If the bearing temperature is higher than the set temperature in the PLC controller 2, the PLC controller 2 controls the pump machine 1 to stop through the control circuit.

[0043] Meanwhile, the pump machine vibration sensor 5 detects whether the pump machine 1 vibrates.

[0044] Meanwhile, the liquid level sensor 6 detects whether the wiring room has water, and if the detection value of the liquid level sensor 6 is less than the set height in the PLC controller 2, the PLC controller 2 controls the pump machine 1 to stop through the control circuit.

[0045] Meanwhile, the oil-water mixing sensor 7 detects the oil quality.

[0046] The operation personnel monitor the plurality of pump machines 1 at the same time through the upper computer or the HMI module 8.

[0047] The above-described embodiment is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application, so that equivalent changes or modifications made to the structure, features and principles described in the patent range of the present application shall be included in the patent range of the present application.

Claims

1. A multi-pump protection network management system, comprising multiple pumps, each of the multiple pumps being connected to a protector, and each of the multiple pumps being equipped with a pump status detection circuit, the pump status detection circuit being connected to the protector, characterized in that, The protector comprises a PLC controller (2), the PLC controller (2) is in communication connection with an acquisition module (3), the acquisition module (3) is connected with a pump state detection circuit; The pump state detection circuit comprises a winding temperature detection sensor, a pump bearing temperature sensor (4), a pump vibration sensor (5), a liquid level sensor (6) and an oil-water mixing sensor (7), the output ends of the winding temperature detection sensor, the pump bearing temperature sensor (4), the pump vibration sensor (5), the liquid level sensor (6) and the oil-water mixing sensor (7) are respectively connected with the input ends of the acquisition module (3); The acquisition module (3) corresponds to a plurality of pump quantities, and a plurality of acquisition modules (3) are in communication connection with one PLC controller (2); The PLC controller (2) is further in communication connection with an HMI module (8) and an upper computer.

2. A multi-pump protection network management system according to claim 1, wherein, The pump is provided with a wiring chamber, the acquisition module (3) is arranged in the wiring chamber, and the acquisition module (3) comprises an M31-AAAX4440 distributed IO module; A plurality of M31-AAAX4440 distributed IO modules are in communication connection with the PLC controller (2) through a modbus bus.

3. A multi-pump protection network management system according to claim 2, wherein, The liquid level sensor (6) is arranged in the wiring chamber.

4. The multi-pump protection network management system of claim 1, wherein, The PLC controller (2) is in communication connection with a network server (10) through the modbus bus, and the PLC controller (2) is in communication connection with the HMI module (8) and the upper computer through the network server (10).

5. The multi-pump protection networking management system of claim 1, wherein, The winding temperature detection sensor comprises a winding A-phase temperature sensor (11), a winding B-phase temperature sensor (12) and a winding C-phase temperature sensor (13), and the output ends of the winding A-phase temperature sensor (11), the winding B-phase temperature sensor (12) and the winding C-phase temperature sensor (13) are respectively connected with the acquisition module (3).

6. A multi-pump protection network management system according to claim 1, wherein, The oil-water mixing sensor (7) is arranged at a mechanical seal position of the pump, the oil-water mixing sensor (7) comprises a capacitive sensor, and the output end of the capacitive sensor is connected with the acquisition module (3).

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