Control circuit for water saving device of solar water heater

A solar water heater and control circuit technology, applied in the direction of electrical program control, sequence/logic controller program control, etc., to achieve the effect of avoiding waste

Active Publication Date: 2014-09-10
浙江朗松智能电力设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The device requires a supporting control circuit

Method used

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  • Control circuit for water saving device of solar water heater

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Embodiment Construction

[0012] ExampleIn the embodiment shown in the accompanying drawings, the control circuit of the solar water heater water-saving device is composed of a power supply circuit, a signal input port, a comparison circuit, a processing circuit and an execution circuit. Phase line input terminal of the power supply (L1), rectifier transformer (TC), rectifier diode a (VD1), rectifier diode b (VD2), filter capacitor a (C1), voltage stabilization integrated block (IC1) and filter capacitor b (C2 ) composition; signal input ports include water flow signal input terminal (A1), water temperature signal input terminal (A2), water level signal input terminal (A3), manual input terminal (A4), chain signal input terminal a (A5) and chain signal input terminal b (A6); the comparison circuit is composed of voltage dividing resistor (R1), AND gate a (IC2) and isolation diode a (VD3); the processing circuit is composed of full bridge circuit (VDq), AND gate b (IC3), isolation diode b (VD5), transm...

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Abstract

The invention discloses a control circuit for a water saving device of a solar water heater and relates to an electronic control circuit. The control circuit comprises a power source circuit, a signal input end port, a comparator circuit, a processing circuit and an execution circuit. The power source circuit is composed of a rectifier transformer, a rectifier diode a, a rectifier diode b, a filter capacitor a, a voltage-stabilization integration block and a filter capacitor b. The signal input end port comprises a water flow signal input end, a water temperature signal input end, a water level signal input end, a manual input end, an interlocking signal input end a and an interlocking signal input end b. The comparator circuit is composed of a divider resistor, an AND gate a and an isolation diode a. The processing circuit comprises a full-bridge circuit, an AND gate b, an isolation diode b, a transmission gate, a NOT gate and a door c. The execution circuit comprises a bidirectional silicon controlled rectifier a, a triode, a catching diode, a relay, a bidirectional silicon controlled rectifier b and a control output end. The control circuit is matched with the water saving device of the solar heater so as to recycle cold water in the bottom of a heat insulation water tank and a hot water pipe by an intelligent control mode.

Description

technical field [0001] The invention relates to an electronic control circuit, in particular to a control circuit of a water-saving device. Background technique [0002] Water is necessary for people's life and production activities. With the development of urbanization in our country, the amount of tap water in cities is increasing. Water is not inexhaustible, and there is a serious water shortage in most parts of northern my country, and water conservation must start from a little bit. When people use hot water from solar water heaters or other hot water equipment, they must first discharge the cold water at the bottom of the hot water tank and the cold water in the pipeline before the hot water flows out. If the discharged cold water is not recycled, it will be wasted. Precious water resources, through the water-saving device, the cold water in the bottom of the solar water heater insulation tank and the pipeline is recycled and used to save water. Existing water-saving...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/04
Inventor 郑哲鹏
Owner 浙江朗松智能电力设备有限公司
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