A hot water supply method according to one embodiment of the present invention comprises the steps of: measuring a temperature of water flowing into an water inlet part; turning on a first heater and a second heater if a target temperature is a standard temperature or higher; adjusting a degree of opening and closing of a flow rate adjusting valve on the basis of a difference between the target temperature and the temperature of water flowing into the water inlet part; measuring a temperature of water discharged to a water outlet part; and readjusting the degree of opening and closing of the flow rate adjusting valve on the basis of a difference between the target temperature and the temperature of water discharged to the water outlet part.

Hot water supply method, hot water supply device, and water purifier using same

The invention discloses a water heater with a wireless temperature controller. The water heater comprises the wireless temperature controller and a body, wherein the wireless temperature controller comprises a waterproof structure as well as a first temperature sensor, a first wireless communication module and a first control module which are sealed in the waterproof structure; the first temperature sensor is used for sensing the water temperature; the first control module is used for controlling the first wireless communication module to transmit a temperature control signal which comprises the water temperature; the body comprises a second wireless communication module, a heating module, a water outlet module and a second control module; the second wireless communication module is used for receiving the temperature control signal; the heating module is used for heating supplied water; the water outlet module is used for discharging water; the second control module is used for storing the set temperature of a user and controlling the heating module or the water outlet module to adjust the outlet water temperature according to the difference between the water temperature and the set temperature of the user, so that the water temperature is consistent with the set temperature of the user, and therefore the water temperature can be up to the set temperature of the user without repeated adjustment.

Water heater with wireless temperature controller

The invention relates to a combustion control method of reduced minimum thermal load The method includes the steps of: under the working conditions of working at a rated minimum thermal load and judging whether the detection temperature T is higher than a set temperature Ta or not, determining an adjustable region of reduced minimum thermal load in a combustion state within the rotating speed adjusting allowance range of the rated minimum fan rotating speed w0 and the current adjusting allowance range of the rated minimum proportional valve current I0; calculating a proportional valve targetcurrent value and a fan target rotating speed value according to the set temperature Ta; and if the proportional valve target current value and the fan target rotating speed value are within the adjustable region of reduced minimum thermal load, performing adjustment correspondingly to the proportional valve target current value and the fan target rotating speed value to work, otherwise, performing adjustment to an optimal proportional valve current value and an optimal fan rotating speed value that are closest to the target to work in the adjustable region of reduced minimum thermal load Thecombustion control method of the reduced minimum thermal load has no need for structure improvement, and the reduced minimum thermal load of the minimum thermal load is effectively reduced

Combustion control method of reduced minimum thermal load

The invention relates to the technical field of water heaters, in particular to a control method and system for a water heater. The control method comprises the steps: firstly, last water use site information of a user is recorded, wherein the water use site information comprises last water temperatures of the user at all water use sites; when a water use instruction of the user is detected, identity information of the user is identified according to the water use instruction, and water use site information of the user at a current water use site is obtained according to the identity information of the user; then the water use site information is adjusted according to the weather temperature, and the adjusted outlet water temperature is obtained; and finally water for output of the water heater is controlled according to the outlet water temperature. Hot water suitable for a current optimal bathing state of the user can be automatically adjusted.

Control method and system for water heater

The invention relates to a control method of a wall-hanging stove. The control method comprises the steps: obtaining a current fan rotating speed V1; obtaining a gas flow Q1 at the fan rotating speedV1; comparing the gas flow Q1 with a gas flow minimum Q1min calculated according to the fan rotating speed V1; if Q1 is smaller than Q1min, adjusting the fan to a preset fan rotating speed minimum Vmin; obtaining a gas flow Q2 at the fan rotating speed Vmin; comparing the gas flow Q2 with a preset gas flow minimum Q2min calculated according to the fan rotating speed Vmin; if Q2 is smaller than Q2min, shutting down a combustor ; and if Q2 is larger than or equal to Q2min, keeping the fan rotating speed at Vmin, and keeping work of the combustor. Meanwhile, the invention further provides the wall-hanging stove. According to the wall-hanging stove and the control method thereof, a running state of equipment is judged for many times according to the fan rotating speed and the gas flow, the fanis adjusted to the preset lowest rotating speed in a gas consumption peak period, and if the gas flow meets the lowest requirement, the combustor is kept working, so that the basic heating requirement of a user is met.

Wall-hanging stove and control method thereof

The utility model provides a control system of a gas heater and the gas heater comprising the control system of the gas heater, wherein the control system of the gas heater comprises a temperature detecting unit, a proportional valve control unit and a main control unit The temperature detecting unit is used for detecting water outlet temperature of the gas heater; the proportional valve control unit is used for adjusting gas proportional valve opening of the gas heater; the main control unit is connected with the temperature detecting unit and the proportional valve control unit and is used for controlling the proportional valve control unit to at least once positively adjust the gas proportional valve opening by an opening difference delta a when gas supply quantity is not enough and controlling the proportional valve control unit to at least once reversely adjust the gas proportional valve opening by an opening difference delta b until a difference of detected water outlet temperature and previous temperature value is less than a preset value when the detected water outlet temperature is less than the previous temperature value, wherein the opening difference delta a is larger than the opening difference delta b By adopting the structure, when the gas supply quantity is not enough, the main control unit can control the proportional valve opening according to the water outlet temperature, achieve optimum burning of the gas, and avoid extinction

Quan Yongbing

Papers

Control system of gas heater and gas heater comprising the same