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Constant-temperature electric heating faucet

An electric faucet and water faucet technology, applied in the field of electricity, can solve the problems of increased water flow and inability to supply water at a constant temperature, and achieve the effect of constant temperature control

Inactive Publication Date: 2014-05-21
SHINAN BRANCH OF QINGDAO BLUEPRINT CULTURE COMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention proposes a constant temperature electric hot water faucet, which solves the problem that the existing electric hot water faucet cannot supply water at a constant temperature when the water flow increases

Method used

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  • Constant-temperature electric heating faucet

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Embodiment Construction

[0009] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0010] like figure 1 As shown, a constant temperature electric faucet of the present invention includes: a faucet body and a water flow control switch ( figure 1 not shown in); the flow sensor 10 is arranged at the water inlet to output a real-time water pressure signal; the operational amplifier 20 is connected to the output end of the flow sensor 10 to amplify the power of the water pressure signal; the comparator 30, Comparing the water pressure signal with the...

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Abstract

The invention provides a constant-temperature electric heating faucet. The faucet comprises a faucet body, a water flow control switch, a flow sensor, an operational amplifier, a comparator, a UC3842 controller and a flyback converter, wherein the flow sensor is arranged at a water inlet and outputs a real-time water pressure signal; the operational amplifier is connected to an output end of the flow sensor and performs power amplification on the water pressure signal; the comparator compares the water pressure signal with a reference value; a feedback end of the UC3842 controller is connected to an output end of the comparator and outputs a PWM (pulse width modulation) signal with an adjustable pulse width according to a comparison result; and a control end of a switching tube of the flyback converter receives the PWM signal, and an output end of the flyback converter is connected with an electric heating tube.

Description

technical field [0001] The invention relates to the field of electricity, in particular to a constant temperature electric water faucet. Background technique [0002] The electric faucet is also called instant hot water faucet or instant hot water faucet, including the faucet body and water flow control switch. The faucet body is equipped with a heating chamber and an electrical control chamber, which are separated by a sealing plate. There is a heating circuit in the electrical control chamber, and the heating chamber There is a heating tube inside, and the power of the heating tube is generally 2-3KW, and the hot water can be heated in 3-5 seconds. The existing electric hot water faucet has a simple control circuit, and the water temperature will obviously drop when the water flow increases, so that constant temperature water supply cannot be realized. Contents of the invention [0003] The invention proposes a constant temperature electric hot water faucet, which solve...

Claims

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Application Information

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IPC IPC(8): F16K49/00
CPCF16K49/002
Inventor 田攀田海红王秀珍
Owner SHINAN BRANCH OF QINGDAO BLUEPRINT CULTURE COMM
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