Probe circuit of water pump controller and method thereof

A controller and circuit technology, applied in pump control, pump test, machine/engine, etc., can solve problems such as low signal sensitivity and poor circuit anti-interference ability, and achieve accurate detection signals, reasonable circuit design, and simple structure Effect

Pending Publication Date: 2018-02-13
惠州市金田科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The water pump controller starts or stops the water pump according to the detected state of the water source. At present, most of the water pump controllers on the market are powered by a circuit composed of a triode and a relay, and the water source is judged by the probe detection signal. However, Such a circuit has poor anti-interference ability and low signal sensitivity.

Method used

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  • Probe circuit of water pump controller and method thereof

Examples

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Embodiment Construction

[0020] Such as figure 1 As shown in , an embodiment of the present invention provides a probe circuit for a water pump controller.

[0021] In one embodiment, the probe circuit of the water pump controller is a power supply 1, and the power supply 1 is electrically connected with a low probe 71, a middle probe 72 and a high probe 73, and the low probe 71, the middle probe 72 and the high probe 73 A pressure sensor is provided, the low probe 71 is electrically connected with a low water level detection circuit 61 for detecting the water level, the middle probe 72 and the high probe 73 are electrically connected with a high water level detection circuit 62 for detecting the water level, and Including anti-interference circuit 4, and half-wave rectification circuit 2, described anti-interference circuit 4, signal amplifying circuit 5, optocoupler isolation circuit 3 and half-wave rectification circuit 2 are connected with described low probe 71, middle probe 72 and high probe res...

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PUM

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Abstract

The invention relates to a probe circuit of a water pump controller. The circuit includes a power source, and the power source is electrically connected with a low probe, a middle probe and a high probe; pressure sensors are arranged on the low probe, the middle probe and the high probe; the low probe is electrically connected with a low water-level detection circuit for detecting the water level,the middle probe and the high probe are electrically connected with a high water level detection circuit for detecting the water level, and the probe circuit further includes an anti-interference circuit, an optical coupler insulating circuit and a half-wave rectifying circuit; the anti-interference circuit, a signal amplifying circuit, the optical coupler insulating circuit and the half-wave rectifying circuit are electrically connected with the low probe, the middle probe and the high probe respectively. The circuit is reasonable in design, relatively simple in structure, high in anti-interference capability and accurate in signal detection.

Description

technical field [0001] The invention relates to the field of water pumps, in particular to a probe circuit of a water pump controller and a method thereof. Background technique [0002] The water pump controller starts or stops the water pump according to the detected water source status. At present, most of the water pump controllers on the market are powered by a circuit composed of a triode and a relay, and the water source status is judged by the probe detection signal, but Such a circuit has poor anti-interference ability and low signal sensitivity. A probe circuit of the water pump controller with simple circuit structure and strong anti-interference ability is proposed now. Contents of the invention [0003] In order to achieve the above object, the present invention adopts the following technical scheme: a probe circuit of a water pump controller, including: a power supply, the power supply is electrically connected with a low probe, a middle probe and a high prob...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B49/06F04B51/00
CPCF04B49/06F04B51/00
Inventor 奚君辉
Owner 惠州市金田科技有限公司
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