CN212643100U - Water pump state overhauls management system - Google Patents

Water pump state overhauls management system Download PDF

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Publication number
CN212643100U
CN212643100U CN202021166051.9U CN202021166051U CN212643100U CN 212643100 U CN212643100 U CN 212643100U CN 202021166051 U CN202021166051 U CN 202021166051U CN 212643100 U CN212643100 U CN 212643100U
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China
Prior art keywords
water pump
unit
data
monitoring
sensor
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Withdrawn - After Issue
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CN202021166051.9U
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Chinese (zh)
Inventor
鲁储伟
刘峰
杨海青
杜春忠
王子铭
齐志红
谢禹晨
龚辉
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Huaneng Tibet Yaluzangbu River Water Power Development Investment Co ltd
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Huaneng Tibet Yaluzangbu River Water Power Development Investment Co ltd
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Priority to CN202021166051.9U priority Critical patent/CN212643100U/en
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Abstract

The utility model discloses a water pump state overhaul management system, which comprises a computer monitoring unit, a state overhaul unit and a data acquisition unit, wherein the computer monitoring unit and the state overhaul unit are arranged in a hydraulic power plant; leakage current that the data acquisition unit gathered, the vibration volume, the temperature measurement volume, the moment of torsion rotational speed volume, export flow and pressure are delivered to power plant's computer monitoring system in the analog quantity, utilize water pump soft starter real-time supervision motor operating duration and load current simultaneously and upload to computer monitoring system, carry out real-time monitoring to the parameter of equipment, can discover rotating member damaged rate, the motor insulation damaged rate, the maintainer of being convenient for arranges in advance to overhaul the maintenance plan, reduce the influence to generating set steady operation, power plant's production efficiency is improved.

Description

Water pump state overhauls management system
Technical Field
The utility model relates to an on-line monitoring technical field of continuous operation equipment especially relates to a water pump state overhauls management system.
Background
In a hydraulic power plant, the normal operation of a unit technical water supply system and a speed regulator hydraulic system is directly influenced, wherein most technical water supply pumps and speed regulator pressure oil pumps are divided into vertical pumps according to pump shaft positions, and internal faults of the vertical pumps are difficult to find by inspection; the vertical pump rotating parts are worn when running for a long time, and when the wear loss develops to a certain degree, the screw, the impeller shaft and the like are broken, so that the vertical pump stops running, and the safe and stable running of a unit is influenced. Most of water supply pumps and speed regulator oil pressing pumps in the prior art are overhauled after failure and shutdown, and the state of overhaul is not carried out according to the damage quantity of rotating parts and the current quantity of shell grounding leakage.
The state maintenance is one of important component links for constructing the intelligent power plant, the equipment state monitoring points and the operation condition data are interconnected with the equipment, the equipment state information provided by the diagnosis technology is combined, the predicted equipment faults are judged in advance, maintenance items and periodic maintenance are reasonably arranged according to the predicted fault information, the equipment failure is avoided in advance, and the intelligent power plant state maintenance system has the characteristics of predictability and controllability.
In addition, chinese patent publication No. CN110487581A, publication No. 2019.11.22 discloses an online state maintenance method for dynamic devices such as rotary kilns, dryers, belt conveyors, screw feeders, chain-grate boilers, compressors, water pumps, and fans, which comprises a vibration sensor, a load current sensor, a temperature sensor, a communication channel, and a monitoring host. The vibration sensor is fixed on the basis of the mobile equipment, the load current sensor is arranged in a power distribution cabinet of the mobile equipment, the temperature sensor is arranged at a bearing or a gearbox of the mobile equipment, and each sensor transmits acquired data to the monitoring host through a communication channel. The monitoring host machine utilizes the vibration parameters, the load current values and the temperature values to carry out comparison operation and kneading according to an online state overhaul parameter calculation formula to obtain online state overhaul parameters of the mobile equipment, confirms that the alarm condition is reached after the monitoring host machine carries out data calculation, and reports the alarm condition to related personnel through mobile phone short messages, pictures and texts or sound. The above patent application has the following drawbacks: one of them cannot detect whether the rotating part is jammed or broken; secondly, the fault of the predicted equipment cannot be judged in advance, and the maintenance items and the periodic maintenance are reasonably arranged according to the predicted fault information.
SUMMERY OF THE UTILITY MODEL
In order to overcome above-mentioned prior art's defect, the utility model provides a water pump state overhauls management system, its purpose is based on multiple measuring sensor detects water pump operating parameter, through monitoring volume curve comparison judgement, discovery rotating part damaged rate, the insulating damaged rate of motor, and the maintainer of being convenient for arranges the maintenance plan of overhauing, reduces the influence to unit steady operation, improves the production efficiency of power plant.
In order to solve the technical problem, the utility model discloses a technical scheme is:
a water pump state overhaul management system comprises a computer monitoring unit, a state overhaul unit and a data acquisition unit, wherein the computer monitoring unit and the state overhaul unit are arranged in a hydraulic power plant, the data acquisition unit is connected with the computer monitoring unit, the computer monitoring unit is connected with the state overhaul unit, and the data acquisition unit comprises a leakage electric sensor, a vibration sensor, a temperature sensor, a torque and rotation speed sensor and a flow pressure sensor; the leakage sensor is installed at a shell grounding point of a motor of the water pump, the vibration sensor is installed on a pump seat of the water pump, the temperature sensor is installed on a shell of the motor of the water pump, the torque rotating speed sensor is installed between the motor and a rotating part of the water pump, and the flow pressure sensor is installed at a water outlet of a pipeline of the water pump. The leakage current, the vibration quantity, the temperature quantity, the torque rotating speed quantity, the outlet flow and the pressure collected by the data collecting unit are transmitted to a computer monitoring system of the power plant in analog quantity, meanwhile, the running time and the load current of the motor are monitored in real time by using a water pump soft starter and are transmitted to the computer monitoring system, an analog quantity viewing point is established in the computer monitoring system of the power plant according to the affiliated equipment, and the parameters of the equipment are monitored in real time.
Preferably, the computer monitoring unit comprises a real-time data monitoring module, a diagnosis and analysis module and a data warning module, the diagnosis and analysis module and the data warning module are respectively connected with the real-time data monitoring module, and the real-time data monitoring module is used for collecting and monitoring information collected by the data collecting unit; the diagnostic analysis module automatically analyzes the variation trend of the water pump monitoring amount; the data warning module sets a pump monitoring data warning threshold value for warning. The diagnosis analysis module and the data warning module are respectively connected with the state overhaul unit. Based on the monitoring of a real-time data monitoring module, establishing a curve chart on a diagnostic analysis module of a computer monitoring unit according to a Pearson theory, wherein the operation time is taken as a Y axis, the load current is taken as an X axis, and the middle collected data is taken as a curve variable; and setting a pump monitoring data alarm threshold, and observing the change trend of the pump monitoring amount through a curve chart to achieve the effect of automatic diagnosis and analysis. According to the alarm information sent by the data diagnosis and analysis module, the data warning module issues a trigger condition by the computer monitoring system in association with the state maintenance task, and when the alarm of the data diagnosis and analysis is met, the computer monitoring system automatically associates the corresponding pump state maintenance task single trigger.
The utility model has the advantages of it is following:
the utility model discloses to detect "pump" real-time operation data based on multiple measuring sensor, through monitoring volume curve graph comparison judgement, can discover rotating part damaged rate, the insulating damaged rate of motor, the maintainer of being convenient for arranges in advance to overhaul the maintenance plan, reduces the influence to generating set steady operation, improves power plant's production efficiency.
Drawings
Fig. 1 is a block diagram of the present invention.
The labels in the figure are: 1. the system comprises a water pump, a computer monitoring unit, a state maintenance unit, a leakage electric sensor, a vibration sensor, a temperature sensor, a torque and rotating speed sensor, a flow pressure sensor, a diagnosis and analysis module, a data warning module and a data processing module, wherein the water pump 2, the computer monitoring unit, 3, the state maintenance unit, 4, the leakage electric sensor, 5, the vibration sensor, 6, the temperature sensor, 7, the torque and rotating speed sensor, 8.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to the following examples, which are conventional unless otherwise specified, and the materials can be commercially obtained from the disclosure without further specification.
A water pump state overhaul management system is shown in figure 1 and comprises a computer monitoring unit 2 of a hydraulic power plant, a data acquisition unit installed on a water pump 1 and a state overhaul unit 3, wherein the data acquisition unit is connected with the computer monitoring unit 2, and the computer monitoring unit 2 is connected with the state overhaul unit 3. The data acquisition unit sends the acquired water pump operation parameters to the computer monitoring unit 2, and the water pump operation parameters are sent to the state overhaul unit 3 to issue a state overhaul task after being diagnosed and analyzed.
The data acquisition unit comprises a leakage electric sensor 4, a vibration sensor 5, a temperature sensor 6, a torque and rotation speed sensor 7 and a flow pressure sensor 8. The leakage electric sensor 4 is arranged at the shell grounding point of the motor of the water pump 1 and is used for monitoring leakage current; the vibration sensor 5 is arranged on a pump seat of the water pump 1 and used for monitoring vibration quantity; the temperature sensor 6 is arranged on a shell of a motor of the water pump 1 and used for monitoring the temperature of the motor, and the torque and rotating speed sensor 7 is arranged between the motor and a rotating part of the water pump 1 and used for monitoring the rotating speed and the torque quantity of the motor; the flow pressure sensor 8 is arranged at the water outlet of the pipeline of the water pump 1 and used for monitoring the flow and the pressure of the outlet. The leakage current, the vibration quantity, the temperature quantity, the torque rotating speed quantity, the outlet flow and the pressure collected by the data collecting unit are transmitted to a computer monitoring system of the power plant in analog quantity, meanwhile, the running time and the load current of the motor are monitored in real time by using a water pump soft starter and are transmitted to the computer monitoring system, an analog quantity viewing point is established in the computer monitoring system of the power plant according to the affiliated equipment, and the parameters of the equipment are monitored in real time.
The computer monitoring unit 2 comprises a real-time data monitoring module, a diagnosis and analysis module 9 and a data warning module 10, wherein the diagnosis and analysis module 9 and the data warning module 10 are respectively connected with the real-time data monitoring module, and the real-time data monitoring module is used for collecting and monitoring information collected by the data collecting unit; the diagnosis and analysis module 9 automatically analyzes the variation trend of the water pump monitoring amount; the data warning module 10 sets a pump monitoring data alarm threshold for alarming. The diagnosis and analysis module 9 and the data warning module 10 are respectively connected with the state overhaul unit 3.
Based on the monitoring of a real-time data monitoring module, establishing a curve chart on a diagnostic analysis module of a computer monitoring unit according to a Pearson theory, wherein the operation time is taken as a Y axis, the load current is taken as an X axis, and the middle collected data is taken as a curve variable; and setting a pump monitoring data alarm threshold, and observing the change trend of the pump monitoring amount through a curve chart to achieve the effect of automatic diagnosis and analysis.
The specific analysis is as follows: 1) if leakage current occurs and develops greatly over time, the damage of the internal insulation of the motor is increased; 2) If the vibration quantity is greatly developed along with the time, the looseness of the pump body fixing bolt is indicated; 3) if the torque is increased and the rotating speed is reduced, the rotating part is jammed; 4) if the torque is reduced and the rotating speed is increased, the rotating part is broken; 5) if the temperature quantity becomes higher and develops along with the time, the motor lubricating oil is possibly lacked or the rotating part is possibly jammed; 6) if the load current is increased and developed in a normal state, the motor may be short-circuited or the rotating part may be jammed to cause overload; 7) if the load current is reduced and developed compared with the normal state, the motor or the cable is broken; 8) if the flow rate or pressure becomes small, the pipe may be clogged or the rotating portion may be damaged.
According to the alarm information sent by the data diagnosis and analysis module, the data warning module issues a trigger condition by the computer monitoring system in association with the state maintenance task, and when the alarm of the data diagnosis and analysis is met, the computer monitoring system automatically associates the corresponding pump state maintenance task single trigger.
The maintenance personnel preliminarily judge the equipment fault point according to the diagnosis condition of the pump monitoring data curve chart in the computer monitoring system, and timely carry out state maintenance work, thereby avoiding the fault shutdown condition of the auxiliary equipment when the unit normally operates.
Through establishing a pump state maintenance management system, maintenance personnel can conveniently arrange a maintenance plan in advance, the influence on the stable operation of a unit is reduced, and the production efficiency of a power plant is improved. More monitoring sensors are applied to electrical and mechanical equipment, so that a firm foundation is laid for equipment state maintenance, a judgment basis is provided for the equipment state maintenance, and the equipment state maintenance is promoted to be widely developed; under the condition maintenance management of more mature equipment, the establishment of an intelligent power plant must be further promoted.

Claims (3)

1. The utility model provides a water pump condition overhauls management system, includes computer monitoring unit (2), the condition of power plant and overhauls unit (3) and install the data acquisition unit on water pump (1), the data acquisition unit is connected with computer monitoring unit (2), and computer monitoring unit (2) are connected its characterized in that with condition maintenance unit (3): the data acquisition unit comprises a leakage electric sensor (4), a vibration sensor (5), a temperature sensor (6), a torque and rotation speed sensor (7) and a flow pressure sensor (8); the leakage sensor (4) is installed at a shell grounding point of a motor of the water pump (1), the vibration sensor (5) is installed on a pump seat of the water pump (1), the temperature sensor (6) is installed on a shell of the motor of the water pump (1), the torque and rotation speed sensor (7) is installed between the motor and a rotating part of the water pump (1), and the flow pressure sensor (8) is installed at a water outlet of a pipeline of the water pump (1).
2. The water pump condition maintenance management system according to claim 1, wherein: the computer monitoring unit (2) comprises a real-time data monitoring module, a diagnosis and analysis module (9) and a data warning module (10), the diagnosis and analysis module (9) and the data warning module (10) are respectively connected with the real-time data monitoring module, and the real-time data monitoring module is used for collecting and monitoring information collected by the data collecting unit; the diagnosis and analysis module (9) automatically analyzes the change trend of the water pump monitoring amount; the data warning module (10) sets a pump monitoring data warning threshold for warning.
3. The water pump condition maintenance management system according to claim 2, wherein: the diagnosis and analysis module (9) and the data warning module (10) are respectively connected with the state overhaul unit (3).
CN202021166051.9U 2020-06-22 2020-06-22 Water pump state overhauls management system Withdrawn - After Issue CN212643100U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021166051.9U CN212643100U (en) 2020-06-22 2020-06-22 Water pump state overhauls management system

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113738659A (en) * 2021-08-23 2021-12-03 高邮市大江泵业有限公司 Axial-flow pump blade fracture early warning device
CN113759813A (en) * 2021-10-08 2021-12-07 江苏久创电气科技有限公司 Intelligent inspection comprehensive monitoring system for extra-high pressure valve hall
CN114508490A (en) * 2022-02-08 2022-05-17 上海水泵制造有限公司 Intelligent split centrifugal pump, network fault point positioning method and readable storage module applied to centrifugal pump
CN116292336A (en) * 2023-05-12 2023-06-23 安徽明泉水设备有限公司 Water pump blade detection method
CN117030128A (en) * 2023-05-18 2023-11-10 贝德凯利电气(苏州)有限公司 Water pump with waterproof monitoring function

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113738659A (en) * 2021-08-23 2021-12-03 高邮市大江泵业有限公司 Axial-flow pump blade fracture early warning device
CN113759813A (en) * 2021-10-08 2021-12-07 江苏久创电气科技有限公司 Intelligent inspection comprehensive monitoring system for extra-high pressure valve hall
CN113759813B (en) * 2021-10-08 2023-03-10 江苏久创电气科技有限公司 Intelligent inspection comprehensive monitoring system for extra-high pressure valve hall
CN114508490A (en) * 2022-02-08 2022-05-17 上海水泵制造有限公司 Intelligent split centrifugal pump, network fault point positioning method and readable storage module applied to centrifugal pump
CN116292336A (en) * 2023-05-12 2023-06-23 安徽明泉水设备有限公司 Water pump blade detection method
CN116292336B (en) * 2023-05-12 2023-09-19 安徽明泉水设备有限公司 Water pump blade detection method
CN117030128A (en) * 2023-05-18 2023-11-10 贝德凯利电气(苏州)有限公司 Water pump with waterproof monitoring function

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