Gas water heater temperature control system
A technology for temperature control systems and gas water heaters, applied in fluid heaters, lighting and heating equipment, etc., can solve problems such as life threats, water temperature fluctuations, waste of water and gas, etc., to achieve perfect safety performance, improve comfort, improve Effects of environmental protection and energy saving
Inactive Publication Date: 2014-06-18
哈尔滨网腾科技开发有限公司
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Problems solved by technology
However, there are still many unsatisfactory places in this type of water heater, because this type of gas water heater uses gas and oxygen to burn to generate heat, and it needs to be installed in an outdoor well-ventilated place, otherwise insufficient oxygen will cause incomplete combustion of the gas and cause The production of carbon monoxide poses a threat to human life, and the control and adjustment of the water heater are all on the body, so that the water temperature needs to be adjusted in advance when taking a bath. water temperature, which not only wastes water and gas, but also brings great inconvenience to bathers
Method used
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Embodiment Construction
[0027] combine figure 1 , through the temperature sampling part to obtain the temperature of the environment, and display it on the digital tube. When the temperature value input from the keyboard is different from the existing temperature value, the stepper motor is controlled by the single-chip microcomputer, and the stepper motor directly drives the control panel. The fire control knob indirectly controls the opening of the gas volume regulating valve. At the same time, the DS18B20 samples the current temperature in real time, controls the rotation of the stepper motor by comparing the existing temperature value with the preset value, and indirectly controls the temperature through the rotation of the stepper motor. Adjust the opening of the gas volume valve to achieve the effect of controlling the water temperature. When there are abnormal situations such as the outlet water temperature exceeds the limit, the keyboard input temperature exceeds the limit, and the sensor fai...
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Provided is gas water heater temperature control system hardware design. A MCU AMETL89S51 and peripheral portion (1) serves as a system core control portion, and a keyboard input portion (2), a Nixie tube display portion (3), a temperature sampling portion (4), an external watchdog circuit and buzzer warning portion (5), a stepping motor portion (6) and the like are integrated to form a gas water heater temperature control hardware system. The system obtains the environment temperature through the temperature sampling portion and displays the temperature on a Nixie tube. When a temperature value input through a keyboard is different from an existing temperature value, a single chip microcomputer controls a stepping motor, the stepping motor directly drives a heat power control rotary knob on a control panel and accordingly indirectly controls the opening degree of a gas volume adjusting valve, meanwhile the existing temperature is sampled by DS18B20 in real time, the rotation of the stepping motor is controlled by comparing an existing temperature value and a preset value, and the opening degree of the gas volume adjusting valve is indirectly controlled through rotation of the stepping motor so as to achieve the water temperature control effect.
Description
technical field [0001] The invention is a temperature control system of a gas water heater, specifically applied to the temperature control of a water heater using gas as a raw material. Background technique [0002] Gas water heaters have been widely accepted by the public and widely used because of their advantages such as no need for preheating, energy saving, no scaling, long life, low cost of use, ultra-thin and slender styles, and stylish appearance. However, there is still a certain lag in the development of the temperature control system for gas water heaters. At present, there are basically two solutions for the temperature control of gas water heater products on the market: [0003] (1) Mechanical knob type: [0004] The temperature adjustment of the water heater is realized by a mechanical knob, which is jointly controlled by the fire power adjustment knob and the water volume adjustment knob. When the firepower adjustment knob is turned down according to the ma...
Claims
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Inventor 汪小君
Owner 哈尔滨网腾科技开发有限公司