Automated electric draining pump integrating liquid level identification function

Abstract

The invention relates to the technical field of water pumps and provides an automated electric draining pump integrating the liquid level identification function. The automated electric draining pumpaims at solving the problems that existing liquid level sensors of water pump systems are likely to be polluted by fluid, and the measurement reliability is not high. The automated electric draining pump integrating the liquid level identification function comprises a pump case, a motor and a seal housing, wherein the pump case, the motor and the seal housing are connected in sequence from left toright. The pump case is internally provided with a vane wheel. A driving shaft of the motor is connected with the vane wheel so that the vane wheel can be driven to rotate. A water inlet pipe and a drainage pipe are connected to the pump case. The seal housing is internally provided with a first liquid level sensor, a second liquid level sensor, a control module and a motor driving circuit. An aviation plug is inserted into the seal housing in a penetrating manner, wherein the aviation plug is used for being connected with a power source. Due to the fact that the first liquid level sensor andthe second liquid level sensor are encapsulated in the seal housing, the first liquid level sensor and the second liquid level sensor are not polluted by the fluid and are not subjected to the irregular acting force of the fluid and impurities in the fluid; detection reliability is high; and the service life is longer.

Description

technical field [0001] The invention relates to the technical field of water pumps, in particular to an automatic electric drainage pump with integrated liquid level recognition function. Background technique [0002] The existing vehicle electric drainage pump system is mainly composed of two parts, one is the electric drainage pump, the other is the float switch. The working principle is: when the liquid level reaches a certain height, the float switch is connected to the electromagnetic relay, and then connected Turn on the drain valve circuit to realize the work of the electric drain pump. The disadvantages of the above technology mainly lie in: the control accuracy of the float switch is low; the system composed of the electric drainage pump and the float switch is large in size and heavy in weight, which is not conducive to the light weight of the equipment; the system layout composed of the electric drainage pump and the float switch is restricted. There are many cab...

AI Technical Summary

Problems solved by technology

However, since the liquid level sensor is directly exposed to the liquid, it is easily polluted, and the irregular movement of the fluid and the impurities contained in the fluid will affect the detection accuracy, performance and service life of the liquid level sensor.

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