Constant-temperature gas heater control method and constant-temperature gas heater

Abstract

The invention provides a constant-temperature gas heater control method and a constant-temperature gas heater. The constant-temperature gas heater comprises a main control panel, a heat exchanger, a combuster, a water inlet pipe and a water outlet pipe, and further comprises a bypass pipe. The bypass pipe is connected with the water inlet pipe and the water outlet pipe, and is provided with a bypass water server. An outlet of the heat exchanger is provided with a first temperature sensor. An outlet of the water outlet pipe is provided with a second temperature sensor. The first temperature sensor, the second temperature sensor and the bypass water server are respectively in electric connection with the main control panel. The bypass pipe is arranged between the water inlet pipe and the water outlet pipe, the bypass pipe is provided with the bypass water server, and the main control panel controls the bypass water server to operate to adjust water flow of the bypass pipe according to temperature information collected by the first temperature sensor and the second temperature sensor, so the water outflowing temperature of the water outlet pipe is constant, the situation that hot water at exceedingly high temperature is output is avoided, the water outflowing temperature of the constant-temperature gas heater is constant, and comfort and safety of the constant-temperature gas heater are improved.

Description

technical field [0001] The invention relates to a gas water heater, in particular to a constant temperature gas water heater control method and a constant temperature gas water heater. Background technique [0002] At present, water heaters are household appliances commonly used in people's daily life. They are divided into electric water heaters and gas water heaters according to different heating sources. Gas water heaters are widely used because they can output hot water instantly. The water inlet pipe of the gas water heater conveys tap water to the heat exchanger, and the gas burns to heat the water in the heat exchanger, and then conveys it out through the water outlet pipe for users to use. During use, after the user turns off the water, there is still hot water at a high temperature in the heat exchanger. The outlet water temperature of the gas water heater in the technology is not constant, the comfort level is poor and the safety is low. Contents of the inventio...

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is: to provide a constant temperature gas water heater control method and a constant temperature gas water heater, to solve the defects of the gas water heater in the prior art that the outlet water temperature is not constant, the comfort is poor and the safety is low, and to realize the constant temperature gas water heater Consistent outlet water temperature for increased comfort and safety

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