CN213331577U

CN213331577U - On-line monitoring water pump system

Info

Publication number: CN213331577U
Application number: CN202022103424.4U
Authority: CN
Inventors: 严伟荣
Original assignee: Jiangsu Yingte Pump & Valve Manufacturing Co ltd
Current assignee: Jiangsu Yingte Pump & Valve Manufacturing Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-06-01
Anticipated expiration: 2030-09-23

Abstract

The utility model relates to an online monitoring water pump system, which comprises a water pump, a motor and a bottom plate, wherein the water pump comprises a pump body, an impeller, a mechanical seal and a bearing box which is provided with a front bearing and a rear bearing for supporting an impeller rotating shaft, and the bearing box is respectively provided with a temperature sensor for monitoring the lubrication conditions of the front bearing and the rear bearing corresponding to the positions of the front bearing and the rear bearing; the water pump is provided with a vibration sensor for monitoring the wear condition of the bearing; a pressure sensor for monitoring the abrasion condition of the impeller is arranged at the outlet end of the pump body; an oil level sensor for monitoring the level of lubricating oil in the bearing box is arranged in the bearing box; a current transformer for monitoring the working current of the motor is arranged at a power line of the motor; the bottom plate is provided with a water accumulating tank and an electrode liquid level switch, the water accumulating tank is arranged on the bottom plate and corresponds to the position below the mechanical seal, and the electrode liquid level switch is arranged at the lowest position of the water accumulating tank. Through the sensor that sets up at water pump relevant position, can real-time supervision water pump running condition.

Description

On-line monitoring water pump system

The technical field is as follows:

the utility model relates to a water pump system, especially an on-line monitoring water pump system.

Background art:

the water pump is a common industrial device, and during use, the operation of the water pump is frequently in failure due to oil shortage of a bearing, damage of the bearing, entry of sundries, damage of a mechanical seal and the like, so that loss such as production stagnation is caused.

Before the water pump breaks down, corresponding signs usually appear, for example bearing temperature is too high, the pump body vibrates too big, motor current is too big etc. the circumstances can avoid or reduce corresponding loss if obtain instant processing. In the production, only the personnel can carry out patrol monitoring and the like, and the hidden dangers which can be eliminated are only a few.

The invention content is as follows:

in order to can real-time monitoring water pump operation conditions, the utility model provides an on-line monitoring water pump system, including water pump, motor and bottom plate, the water pump includes the pump body, impeller, mechanical seal and is equipped with the bearing box that is used for supporting the front bearing of impeller pivot and rear bearing, its characterized in that: the bearing box is respectively provided with temperature sensors for monitoring the lubrication conditions of the front bearing and the rear bearing corresponding to the positions of the front bearing and the rear bearing; the water pump is provided with a vibration sensor for monitoring the wear condition of the bearing; a pressure sensor for monitoring the abrasion condition of the impeller is arranged at the outlet end of the pump body; an oil level sensor for monitoring the level of lubricating oil in the bearing box is arranged in the bearing box; a current transformer for monitoring the working current of the motor is arranged at a power line of the motor; the bottom plate is provided with a water accumulating tank and an electrode liquid level switch, the water accumulating tank is arranged on the bottom plate and corresponds to the position below the mechanical seal, and the electrode liquid level switch is arranged at the lowest position of the water accumulating tank.

Furthermore, the bottom of the water accumulating tank is an inclined plane, the higher side of the bottom of the water accumulating tank is positioned below the mechanical seal, and the electrode liquid level switch is arranged on the lowest side of the bottom of the water accumulating tank.

Furthermore, the outer side of the bearing box is provided with threads corresponding to the positions of the front bearing and the rear bearing, and the temperature sensor is connected to the outer side of the bearing box through threads to monitor the temperature of the box body of the bearing box corresponding to the positions of the front bearing and the rear bearing.

Further, the vibration sensor is fixedly connected to the outer side of the bearing box through threads.

Further, the outlet end of the pump body is provided with a through hole, threads are arranged in the through hole, and the pressure sensor is connected to the outlet end of the pump body through threads to monitor the pressure at the outlet end of the pump body.

Further, the oil level sensor is arranged on a lubricating oil preset oil level surface on the inner wall of the bearing box.

Furthermore, the temperature sensor, the vibration sensor, the pressure sensor, the oil level sensor, the current transformer and the electrode liquid level switch send out the acquired information through the information sending equipment.

The utility model discloses a temperature sensor, vibration sensor, pressure sensor, oil level sensor, current transformer and the electrode liquid level switch that set up at water pump relevant position can the real-time supervision water pump operation conditions.

The utility model discloses can go out the information transmission of collection such as above-mentioned sensor through information sending equipment, the personnel of being convenient for in time learn the water pump operation situation, take corresponding measure immediately when the water pump operation is unusual.

Description of the drawings:

fig. 1 is a schematic view of an embodiment of the present invention;

fig. 2 is a schematic view illustrating the installation of a temperature sensor according to an embodiment of the present invention;

in the figure: 1. a base plate; 2. a motor; 3. a pump body; 4. mechanical sealing; 5. a rear bearing; 6. a bearing housing; 7. a temperature sensor; 8. a vibration sensor; 9. a pressure sensor; 10. an oil level sensor; 11. a current transformer; 12. a water accumulation tank; 13. an electrode liquid level switch; 14. an impeller rotating shaft.

The specific implementation mode is as follows:

the first embodiment is as follows:

as shown in fig. 1, the online monitoring water pump system of the present embodiment includes a water pump, a motor 2 and a bottom plate 1, wherein the water pump is connected to the motor 2 through a coupling and is installed on the bottom plate 1, and the water pump includes a pump body 3, an impeller, a mechanical seal 4, and a bearing housing 6 provided with a front bearing and a rear bearing 5 for supporting an impeller rotating shaft 14.

As shown in fig. 2, temperature sensors 7 are provided at positions of the bearing housing 6 corresponding to the front bearing and the rear bearing 5, respectively. The utility model discloses specifically set up temperature sensor 7 and correspond front bearing and 5 positions of rear bearing in the 6 outsides of bearing box to set up the screw hole in this position, temperature sensor 7 passes through threaded connection in the 6 outsides of bearing box. The utility model discloses set up temperature sensor 7 in the bearing box 6 outsides, can overcome the defect complicated with its structural design who sets up in the inboard brought of bearing box 6. Under the general condition, if the bearing does not obtain the lubrication, the cooling of lubricating oil, the bearing temperature can rise, the utility model discloses a temperature of monitoring bearing monitors the lubricated condition of preceding, rear bearing, and the relation of temperature and lubricated condition can be obtained through many times of experiments.

And the utility model discloses 6 departments are equipped with the vibration sensor 8 that is used for monitoring the vibration of water pump work at the bearing box of water pump, because 6 departments of bearing box are comparatively stable in the water pump, so with vibration sensor 8 setting in 6 departments of bearing box, through the screw thread with vibration sensor 8 fixed connection in the 6 outsides of bearing box. Generally, when the bearing took place wearing and tearing, impeller pivot 14 vibration can increase, the utility model discloses a to the vibration monitoring of bearing box 6, judge the wearing and tearing situation of bearing, the relation of bearing wearing and tearing situation and water pump vibration can be obtained through experimental many times.

Simultaneously the utility model discloses be equipped with the pressure sensor 9 of monitoring water pump play water pressure at the 3 exit ends of the pump body, specifically be equipped with the through-hole at the 3 exit ends of the pump body, be equipped with the screw thread in the through-hole, pressure sensor 9 passes through threaded connection and holds at the 3 exit ends of the pump body, monitors the pressure of the 3 exit ends of the pump body department. Under the general condition, when the impeller took place wearing and tearing, can lead to the pressure of the 3 exit ends departments of the pump body to diminish, influence the performance of water pump, the utility model discloses a monitoring pump body 3 exit ends department's pressure monitors the impeller wearing and tearing situation, and the relation of the pressure of the 3 exit ends departments of the impeller wearing and tearing situation and the pump body can be obtained through many times of experiments.

The utility model discloses still set up oil level sensor 10 in bearing box 6, be equipped with lubricating oil in bearing box 6, to the front and back bearing lubrication and cooling effect, lubricating oil level crosses lowly can lead to the front and back bearing can not obtain lubrication and cooling to lead to the high temperature to take place wearing and tearing etc. so set up the oil level sensor 10 that is used for monitoring lubricating oil level in bearing box 6, specifically set up and predetermine oil level face department at 6 inner wall lubricating oil of bearing box. The utility model discloses an oil level sensor 10 cooperates with temperature sensor 7, judgement water pump's operation conditions that can be better.

The utility model discloses still set up the current transformer 11 of monitoring motor operating current in motor 2's power cord department, through the real-time current of 11 monitoring motors of current transformer 2. The water pump transships can take place for the condition such as entering foreign matter in the water pump generally, leads to motor current too big, the utility model discloses a real-time current of monitoring motor 2 judges whether the water pump transships etc.. The current transformer 11 may be provided in a terminal box of the motor 2.

The utility model discloses still be equipped with ponding groove 12 and electrode liquid level switch 13 at bottom plate 1, ponding groove 12 tank bottom sets up to the inclined plane, and the higher one side of tank bottom is located 4 below mechanical seal, and electrode liquid level switch 13 sets up in the one side that the tank bottom is lowest. If the mechanical seal leaks, the leaked water can drop into the water collecting tank 12 and collect to the lowest side of the bottom of the tank, and if the electrode liquid level switch 13 is switched on, the water leakage condition of the mechanical seal 4 can be judged.

The temperature sensor 7, the vibration sensor 8, the pressure sensor 9, the oil level sensor 10, the current transformer 11 and the electrode liquid level switch 13 transmit acquired information to a cloud terminal through information transmission equipment (such as 4G and 5GSIM cards), the running condition of the water pump is monitored through the cloud terminal, and personnel are timely notified to carry out field processing when the water pump runs abnormally.

Claims

1. The utility model provides an on-line monitoring water pump system, includes water pump, motor and bottom plate, the water pump includes the pump body, impeller, mechanical seal and is equipped with the bearing box that is used for supporting the front bearing of impeller pivot and rear bearing, its characterized in that: the bearing box is respectively provided with temperature sensors for monitoring the lubrication conditions of the front bearing and the rear bearing corresponding to the positions of the front bearing and the rear bearing; the water pump is provided with a vibration sensor for monitoring the wear condition of the bearing; a pressure sensor for monitoring the abrasion condition of the impeller is arranged at the outlet end of the pump body; an oil level sensor for monitoring the level of lubricating oil in the bearing box is arranged in the bearing box; a current transformer for monitoring the working current of the motor is arranged at a power line of the motor; the bottom plate is provided with a water accumulating tank and an electrode liquid level switch, the water accumulating tank is arranged on the bottom plate and corresponds to the position below the mechanical seal, and the electrode liquid level switch is arranged at the lowest position of the water accumulating tank.

2. The on-line monitoring water pump system of claim 1, wherein: the bottom of the water accumulating tank is an inclined plane, the higher side of the bottom of the water accumulating tank is positioned below the mechanical seal, and the electrode liquid level switch is arranged on the lowest side of the bottom of the water accumulating tank.

3. The on-line monitoring water pump system of claim 1, wherein: the bearing box outside corresponds front bearing and rear bearing position and is equipped with the screw thread, temperature sensor passes through threaded connection in the bearing box outside, monitors the temperature that the bearing box body corresponds front bearing and rear bearing position.

4. The on-line monitoring water pump system of claim 1, wherein: the vibration sensor is fixedly connected to the outer side of the bearing box through threads.

5. The on-line monitoring water pump system of claim 1, wherein: the pump body outlet end is equipped with the through-hole, is equipped with the screw thread in the through-hole, and pressure sensor passes through threaded connection at pump body outlet end department, monitors the pressure of pump body outlet end department.

6. The on-line monitoring water pump system of claim 1, wherein: the oil level sensor is arranged on the position of a lubricating oil preset oil level surface on the inner wall of the bearing box.

7. The on-line monitoring water pump system according to any one of claims 1-6, wherein: the temperature sensor, the vibration sensor, the pressure sensor, the oil level sensor, the current transformer and the electrode liquid level switch send out collected information through the information sending equipment.