Water pump built-in comprehensive detection component and its usage method

Abstract

The invention discloses a water pump built-in comprehensive detection assembly and an using method thereof. The water pump built-in comprehensive detection assembly comprises a machine shell, a motorand a water pump impeller; a rotating shaft of the motor is vertically arranged, the bottom of the rotating shaft is sleeved with the water pump impeller, the water pump impeller is located in a wateroutlet cavity, the lower side of the water outlet cavity is a water inlet cavity, the bottom end of the rotating shaft extends into the water inlet cavity, and a conical annular clutch ring is fixedat a spare end of the rotating shaft; a drainage ring is fixed on the inner bottom surface of the water inlet cavity, the inner bottom surface of the water inlet cavity further comprises an annular magnet, the magnetic poles of the annular magnet are distributed in the axial direction, a second annular magnet is placed at the position, above the annular magnet, in a cylindrical barrel, wherein themagnetic poles of the second annular magnet are opposite to the magnetic poles of the annular magnet, and the annular magnet repels to the second annular magnet all the time; the top surface of the second annular magnet is fixedly provided with a conical annular type abutting box, a third magnet is fixed in the abutting box; and the bottom of the cylindrical barrel is further fixedly provided with a sensing coil assembly, and further comprises a temperature sensing assembly. When the third magnet rotates, the sensing coils are driven to passively cut magnetic induction lines to form a current, so that the water level and the flow can be monitored, and the inner temperature of the motor can be detected through the temperature sensing assembly.

Description

technical field [0001] The invention relates to a water level and flow detection assembly used in a control system of a submersible pump. Background technique [0002] The submersible pump is an important equipment used to transmit the water source of the water source to a longer distance or to a higher position. It is widely used in many life and production fields such as groundwater mining, mine operations, and landscape fountains. Because the submersible pump When running, it needs to be soaked in water, so its driving motors are in a completely sealed state, which makes it unable to dissipate heat through air during operation, but completely relies on water flow for heat dissipation. It will cause the motor to burn out, which will cause the submersible pump to fail. At the same time, because the working position of the submersible pump is in the water, it is very inconvenient to maintain. In order to solve this problem, the current common method is to add a water level s...

AI Technical Summary

Problems solved by technology

[0007] When it is detected at the same time that the water flow rate at the water inlet of the submersible pump is lower than the normal working water suction flow range of the submersible pump and the difference between the operating temperature of the driving motor of the submersible pump and the maximum operating temperature of the driving motor is less than 3-10°C, it means that the motor of the submersible pump is malfunctioning. The operating load is too large, and the rotor rotation resistance of the submersible pump motor is too large

[0008] This set is very cumbersome, the actual production cost increases, the sensor components, the failure rate is high, and the stability is low

Especially the water level detection uses a float and a connecting rod, and the device takes up a lot of space

In addition, the float and connecting rod are located outside the submersible pump. When used in the river, they are easily disturbed by the tank or other debris, resulting in inaccurate water level detection and misjudgment of the working status of the pump.

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