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Control method for submerged pump

A control method and submersible pump technology, applied in pump control, pumps, pump devices, etc., can solve problems such as power waste, submersible pump pressure rise, and damage to submersible pumps, and achieve the effects of convenient operation, convenient control, and compact structure

Inactive Publication Date: 2013-10-23
SUZHOU WODA GARDEN MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the length of the drainpipe is long, after turning on the submersible pump, you need to walk a certain distance to reach the valve at the end of the drainpipe. At this time, the submersible pump is already in operation, but the water pumped out is not used. Increase the pressure in the submersible pump
This pressure rise will only cause waste of electricity when the pressure is low, and will damage the submersible pump when the pressure is high

Method used

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  • Control method for submerged pump
  • Control method for submerged pump
  • Control method for submerged pump

Examples

Experimental program
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Embodiment

[0032] Embodiment: a submersible pump control method

[0033] See attached figure 1 , attached figure 2 , attached image 3 , attached Figure 4 And attached Figure 5 As shown, a control method for a submersible pump 1 includes:

[0034] A conveying medium outlet of the submersible pump 1, the conveying medium outlet is connected with a pipeline, and the pipeline is provided with a valve for controlling the pressure of the conveying medium in the submersible pump 1;

[0035] A sealed motor compartment, the motor compartment is provided with an opening, and an elastic member 3 is sealed on the opening;

[0036] A pressure switch, the pressure switch is located in the motor compartment; the pressure switch includes a pressing device and a micro switch 8, and the pressing device includes a pressure bearing column 4 and a return spring 5; one end of the pressure bearing column 4 It is set corresponding to the elastic part 3 , and the other end is set in conflict with the r...

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Abstract

The invention discloses a control method for a submerged pump. The submerged pump comprises a submerged pump conveying medium outlet, a sealed motor cabin and a pressure switch, wherein the conveying medium outlet is connected with a pipeline; a valve used for controlling the conveying medium pressure in the submerged pump is arranged on the pipeline; the motor cabin is provided with an opening; an elastic part is hermetically arranged at the opening; the pressure switch is arranged in the motor cabin; the pressure switch comprises a press device and a microswitch; the press device comprises a pressure-bearing column and a reset spring; one end of the pressure-bearing column is arranged in correspondence to the elastic part, and the other end of the pressure-bearing column is against the reset spring; and a downward pressing part of the pressure-bearing column corresponds to a button of the microswitch. The submerged pump has the advantages of simple structure and convenience for operation.

Description

technical field [0001] The invention relates to a control method of a submersible pump, in particular to a method for controlling the switch of the submersible pump through the pressure change of the conveying medium. Background technique [0002] Submersible pump (Submerged pump) is a water treatment tool in which the pump body and the motor can be immersed in water. The difference between submersible pumps and ordinary pumps is that submersible pumps work underwater, while most pumps work on the ground. The working principle of a common centrifugal submersible pump is: before the submersible pump is started, the suction pipe and the submersible pump must be filled with liquid. After starting up, the impeller rotates at high speed, and the liquid in the submersible pump rotates with the impeller. Under the action of centrifugal force, it flies away from the impeller and shoots out. The speed of the injected liquid in the diffusion chamber of the pump casing gradually slows...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D15/02F04D13/08
Inventor 姜俊
Owner SUZHOU WODA GARDEN MACHINERY
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