Water pump health condition detection device

Abstract

The utility model discloses a water pump health condition detection device, which is applied to the technical field of water pump state detection and comprises a base, a motor, a water pump, a temperature vibration sensor, a flow sensor, a pressure sensor, a voltmeter, a data acquisition card, a PLC (programmable logic controller) control box and an upper computer. The motor and the water pump are placed on the base; the temperature and vibration sensor obtains the equipment temperature and vibration frequency when the motor and the water pump operate, and transmits the equipment temperature and vibration frequency to the PLC control box through the data acquisition card; the flow sensor and the pressure sensor are used for respectively acquiring instantaneous drainage flow, accumulated flow and pressure during operation of the water pump and transmitting the instantaneous drainage flow, the accumulated flow and the pressure to the PLC control box; the voltmeter obtains equipment operation voltage when the motor operates and transmits the equipment operation voltage to the PLC control box; and the PLC control box performs data interaction with the upper computer and executes a control instruction of the upper computer. According to the utility model, automatic detection of the health condition of the mine water pump is realized, and the operation reliability of water pump equipment is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water pump state detection, and particularly relates to a device for detecting the health status of a water pump. Background Art

[0002] During the production process in coal mines, due to natural or human factors, the water in underground runoff or underground aquifers penetrates through the roadway, resulting in mine water inrush. Usually, drainage pumps are used to pump the inrush water to other areas or to the surface through the underground pump house to ensure the normal production order and the safety of personnel and equipment in the roadway. However, due to the harsh working environment and complex geological structure in coal mines, as an important part of underground operations, once the water pump fails, it will cause huge economic losses and serious social impacts. And if only relying on construction workers to conduct round-the-clock state detection of the water pump, it will require a large amount of manpower and material resources. Therefore, the automatic detection of the health status of mine water pumps is of great significance for the resource-saving utilization and the guarantee of life and property safety during the production process in coal mines.

[0003] Therefore, how to provide a device for detecting the health status of mine water pumps, which can automatically detect the health status of mine water pumps, improve the resource utilization rate during the production process in coal mines, and ensure life and property safety, is an urgent problem to be solved by those skilled in the art. Summary of the Utility Model

[0004] In view of this, the utility model provides a device for detecting the health status of a water pump.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A device for detecting the health status of a water pump, comprising: a base, a motor, a water pump, a temperature and vibration sensor, a flow sensor, a pressure sensor, a voltmeter, a data acquisition card, a PLC control box, and a host computer;

[0007] The motor and the water pump are placed on the base;

[0008] The temperature and vibration sensor obtains the equipment temperature and vibration frequency during the operation of the motor and the water pump, and transmits them to the PLC control box through the data acquisition card;

[0009] The flow sensor and the pressure sensor respectively obtain the instantaneous drainage flow rate, cumulative flow rate and pressure during the operation of the water pump, and transmit them to the PLC control box;

[0010] The voltmeter obtains the equipment operating voltage during the operation of the motor, and transmits it to the PLC control box;

[0011] The PLC control box conducts data interaction with the host computer and executes the control instructions of the host computer.

[0012] Optionally, the motor further includes a front motor bearing housing and a rear motor bearing housing; the water pump further includes a front water pump bearing housing and a rear water pump bearing housing; the motor and the water pump are fixedly connected by flanges through the front motor bearing housing and the rear water pump bearing housing.

[0013] Optionally, the temperature and vibration sensor includes a first temperature and vibration sensor, a second temperature and vibration sensor, a third temperature and vibration sensor, and a fourth temperature and vibration sensor; the first temperature and vibration sensor and the second temperature and vibration sensor are respectively mounted on the water pump in a magnetic adsorption manner through the front water pump bearing housing and the rear water pump bearing housing; the third temperature and vibration sensor and the fourth temperature and vibration sensor are respectively mounted on the motor in a magnetic adsorption manner through the front motor bearing housing and the rear motor bearing housing.

[0014] Optionally, the bottom of the temperature and vibration sensor is provided with X and Y axis marks, measures the data of the X, Y, and Z axes simultaneously, and is connected to the data acquisition card by wire through TCP / IP communication.

[0015] Optionally, the flow sensor is a mine explosion-proof and intrinsically safe digital ultrasonic flowmeter of model LCZ-803, and is installed on the water pump in an external clamping manner.

[0016] Optionally, the pressure sensor is a fully stainless steel structure round plastic-sealed pressure sensor, and is installed on the water pump by threading.

[0017] Optionally, the voltmeter provides a 4-20mA output signal and is connected to the motor through the rear motor bearing housing.

[0018] Optionally, the data acquisition card is of model YE6275D, and the data acquisition card communicates with the upper computer through the right LAN port using a network cable.

[0019] Optionally, the PLC control box uses a PLC controller of Siemens S7-1200 model as the system control core, and the external signals are connected to the PLC controller through the conversion module integrated inside the PLC control box.

[0020] Optionally, the upper computer visualizes the transmission data of the PLC control box and issues control instructions through the PLC control box according to the visualized data.

[0021] As can be seen from the above technical solutions, compared with the prior art, the present utility model proposes a water pump health condition detection device. The present utility model can synchronously collect the equipment temperature and vibration frequency of the water pump and the motor on the X, Y, and Z axes through the temperature and vibration sensor, realizing the dual detection of the equipment temperature and vibration frequency. On the basis of realizing the detection of traditional mechanical faults, it effectively realizes the early warning of sudden faults of the water pump unit and improves the operation reliability of the water pump equipment. By means of the instantaneous drainage flow rate, cumulative flow rate, and pressure during the operation of the water pump collected by the flow sensor and pressure sensor in the present utility model, as well as the operating voltage of the motor equipment collected by the voltmeter, and combining the equipment temperature and vibration frequency of the water pump and the motor on the X, Y, and Z axes, it is possible to accurately predict the equipment life and possible faults, thereby formulating a preventive maintenance plan to avoid the occurrence of faults at critical moments. This not only reduces the maintenance cost but also reduces the economic losses caused by equipment downtime. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model 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 drawings in the following description are only the embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on the provided drawings.

[0023] Figure 1 It is a schematic structural diagram of the device of the present utility model.

[0024] Figure 2 It is a schematic flow diagram of data transmission during the water pump health condition detection of the present utility model.

[0025] Among them, base - 1, motor - 2, water pump - 3, temperature and vibration sensor - 4, flow sensor - 5, pressure sensor - 6, voltmeter - 7, data acquisition card - 8, PLC control box - 9, host computer - 10, motor front bearing seat - 21, motor rear bearing seat - 22, water pump front bearing seat - 31, water pump rear bearing seat - 32, first temperature and vibration sensor - 41, second temperature and vibration sensor - 42, third temperature and vibration sensor - 43, fourth temperature and vibration sensor - 44. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0027] Embodiment 1:

[0028] Embodiment 1 of the present utility model discloses a water pump health condition detection device, as Figure 1 shown, including: base 1, motor 2, water pump 3, temperature and vibration sensor 4, flow sensor 5, pressure sensor 6, voltmeter 7, data acquisition card 8, PLC control box 9, and host computer 10;

[0029] The motor 2 and the water pump 3 are placed on the base 1;

[0030] The temperature and vibration sensor 4 obtains the equipment temperature and vibration frequency during the operation of the motor 2 and the water pump 3, and transmits them to the PLC control box through the data acquisition card 8;

[0031] The flow sensor 5 and the pressure sensor 6 respectively obtain the instantaneous drainage flow rate, cumulative flow rate, and pressure during the operation of the water pump 3, and transmit them to the PLC control box 9;

[0032] The voltmeter 7 obtains the equipment operating voltage during the operation of the motor and transmits it to the PLC control box 9;

[0033] The PLC control box 9 conducts data interaction with the host computer 10 and executes the control instructions of the host computer 10.

[0034] Optionally, to ensure the stability of the structure and the smoothness of transmission, the motor 2 further includes: a motor front bearing seat 21 and a motor rear bearing seat 22; the water pump 3 further includes: a water pump front bearing seat 31 and a water pump rear bearing seat 32; the motor 2 and the water pump 3 are fixedly connected by flanges through the motor front bearing seat 21 and the water pump rear bearing seat 32, realizing the tight connection of the overall structure.

[0035] Optionally, the temperature and vibration sensor 4 includes: a first temperature and vibration sensor 41, a second temperature and vibration sensor 42, a third temperature and vibration sensor 43, and a fourth temperature and vibration sensor 44; the first temperature and vibration sensor 41 and the second temperature and vibration sensor 42 are respectively installed on the water pump 3 by magnetic adsorption through the water pump front bearing seat 31 and the water pump rear bearing seat 32; the third temperature and vibration sensor 43 and the fourth temperature and vibration sensor 44 are respectively installed on the motor 2 by magnetic adsorption through the motor front bearing seat 21 and the motor rear bearing seat 22.

[0036] Optionally, the bottom of the temperature and vibration sensor 4 is provided with X and Y axis marks, which can measure the data of the X, Y, and Z axes simultaneously and are connected to the data acquisition card 8 by wire through TCP / IP communication to ensure the high efficiency and accuracy of data transmission.

[0037] Optionally, in order to monitor the drainage performance of the water pump 3 in real time, the flow sensor 5 selected is a mine explosion-proof and intrinsically safe digital ultrasonic flowmeter of model LCZ-803, which is installed on the water pump 3 by an external clamping method.

[0038] Optionally, the pressure sensor 6 adopts a fully stainless steel structure circular plastic-sealed pressure sensor, which is installed on the water pump 3 through threads to accurately measure the system pressure.

[0039] Optionally, the voltmeter 7 provides a 4-20 mA output signal to ensure comprehensive control of the power supply status. The voltmeter 7 is connected to the motor 2 through the rear bearing seat 22 of the motor.

[0040] Optionally, the data acquisition card 8 is of the YE6275D model, with an outer shell size of 180mm * 158mm * 34mm for easy installation. The data acquisition card 8 communicates with the upper computer 10 through the right LAN port using a network cable to achieve remote monitoring and data transmission.

[0041] Optionally, the PLC control box 9 uses a PLC controller of the Siemens S7-1200 model as the system control core. External signals are connected to the PLC controller through the conversion module integrated inside the PLC control box 9, which can efficiently process external signals, realize the "one-key start / stop" control of the equipment, complete the signal interaction and interlock control between various equipment, and greatly improve the automation level of the system.

[0042] Optionally, the upper computer 10 serves as the center of the entire monitoring system, responsible for receiving real-time data from each sensor of the PLC control box 9, visualizing the transmitted data of the PLC control box 9, and issuing control instructions through the PLC control box 9 according to the visualized data (combined with the on-site working conditions requirements) to control the corresponding equipment, realizing remote precise regulation and ensuring the efficient and safe operation of the water pump system.

[0043] Working principle: The temperature and vibration sensor 4 obtains the equipment temperature and vibration frequency during the operation of the motor 2 and the water pump 3, and transmits them to the PLC control box through the data acquisition card 8; the flow sensor 5 and the pressure sensor 6 respectively obtain the instantaneous drainage flow, cumulative flow and pressure during the operation of the water pump 3, and transmit them to the PLC control box 9; the voltmeter 7 obtains the equipment operating voltage during the operation of the motor and transmits it to the PLC control box 9; the PLC control box 9 exchanges data with the upper computer 10, and the upper computer 10 visualizes the transmitted data of the PLC control box 9 and issues control instructions through the PLC control box 9 according to the visualized data. The data transmission process of the present utility model during the detection of the water pump health status is as Figure 2 shown.

[0044] An embodiment of the utility model discloses a device for detecting the health status of a water pump. Through the temperature and vibration sensor, the utility model can synchronously collect the equipment temperature and vibration frequency of the water pump and the motor in the X, Y, and Z axes, realizing the dual detection of the equipment temperature and vibration frequency. On the basis of realizing the detection of traditional mechanical faults, the early warning of sudden faults of the water pump unit is effectively realized, and the operation reliability of the water pump equipment is improved. By means of the instantaneous drainage flow rate, cumulative flow rate, and pressure during the operation of the water pump collected by the flow sensor and pressure sensor in the utility model, as well as the operating voltage of the motor equipment collected by the voltmeter, and combining the equipment temperature and vibration frequency of the water pump and the motor in the X, Y, and Z axes, the accurate prediction of the equipment life and possible faults can be realized, so as to formulate a preventive maintenance plan, avoid the occurrence of faults at critical moments, not only reduce the maintenance cost, but also reduce the economic losses caused by equipment downtime.

[0045] The various embodiments in this specification are described in a progressive manner. The key point of each embodiment is to illustrate the differences from other embodiments. The same or similar parts among the various embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the description of the method part.

[0046] The above description of the disclosed embodiments enables those skilled in the art to implement or use the utility model. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A water pump health status detection device, characterized in that: include: Base (1), motor (2), water pump (3), temperature vibration sensor (4), flow sensor (5), pressure sensor (6), voltmeter (7), data acquisition card (8), PLC control box (9), host computer (10); The motor (2) and the water pump (3) are placed on the base (1); The temperature and vibration sensor (4) acquires the equipment temperature and vibration frequency of the motor (2) and the water pump (3) when they are in operation, and transmits the data to the PLC control box (9) via the data acquisition card (8); The flow sensor (5) and the pressure sensor (6) respectively obtain the instantaneous flow rate, cumulative flow rate and pressure of drainage when the water pump (3) is in operation, and transmit the information to the PLC control box (9); The voltmeter (7) obtains the equipment operating voltage when the motor (2) is running, and transmits it to the PLC control box (9); The PLC control box (9) performs data exchange with the host computer (10) and executes control instructions of the host computer (10).

2. A water pump health status detection device according to claim 1, characterized in that: The motor (2) further comprises: a motor front bearing seat (21) and a motor rear bearing seat (22); the water pump (3) further comprises: a water pump front bearing seat (31) and a water pump rear bearing seat (32); the motor (2) and the water pump (3) are fixedly connected by means of flanges via the motor front bearing seat (21) and the water pump rear bearing seat (32).

3. A water pump health status detection device according to claim 2, characterized in that: The temperature vibration sensor (4) comprises: a first temperature vibration sensor (41), a second temperature vibration sensor (42), a third temperature vibration sensor (43), and a fourth temperature vibration sensor (44); the first temperature vibration sensor (41) and the second temperature vibration sensor (42) are respectively mounted on the water pump (3) by means of magnetic attraction via the water pump front bearing seat (31) and the water pump rear bearing seat (32); the third temperature vibration sensor (43) and the fourth temperature vibration sensor (44) are respectively mounted on the motor (2) by means of magnetic attraction via the motor front bearing seat (21) and the motor rear bearing seat (22).

4. A water pump health status detection device according to claim 1, characterized in that: The temperature vibration sensor (4) is provided with X and Y axis markings at the bottom, measures data of the three axes X, Y and Z simultaneously, and is wiredly connected to the data acquisition card (8) via TCP / IP communication.

5. A water pump health status detection device according to claim 1, characterized in that: The flow sensor (5) is a mining explosion-proof and intrinsically safe digital ultrasonic flow meter of model LCZ-803, which is installed on the water pump (3) in an external clamping manner.

6. A water pump health status detection device according to claim 1, characterized in that: The pressure sensor (6) is a circular plastic-sealed pressure sensor with an all-stainless steel structure and is installed on the water pump (3) via threads.

7. A water pump health status detection device according to claim 2, characterized in that: The voltmeter (7) provides a 4-20 mA output signal and is connected to the motor (2) via the motor rear bearing seat (22).

8. A water pump health status detection device according to claim 1, characterized in that: The model of the data acquisition card (8) is YE6275D. The data acquisition card (8) performs data communication with the host computer (10) via a network cable through the right LAN port.

9. A water pump health status detection device according to claim 1, characterized in that: The PLC control box (9) uses a Siemens S7-1200 PLC controller as the system control core, and external signals are connected to the PLC controller via a conversion module integrated inside the PLC control box (9).

10. A water pump health status detection device according to claim 1, characterized in that: The host computer (10) visualizes the data transmitted by the PLC control box (9), and issues control instructions through the PLC control box (9) based on the visualized data.

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