Control method of heating device

Abstract

The present disclosure discloses a control method of a heating device, which relates to a technical field of heating technique, the heating device comprising: a first water storage unit provided with a first heating mechanism; a second water storage unit communicated with the first water storage unit and provided with a second heating mechanism; and a first temperature detection device configured to measure a temperature of the second water storage unit.

1 . A control method of a heating device, the heating device comprising: a first water storage unit provided with a first heating mechanism; a second water storage unit communicated with the first water storage unit and disposed downstream of the first water storage unit, the second water storage unit being provided with a second heating mechanism; a water inlet pipe communicated with the first water storage unit; a water outlet pipe communicated with the second water storage unit; and a first temperature detection device configured to measure a temperature of the second water storage unit;
 the control method comprises:   when the temperature detected by the first temperature detection device is less than or equal to a first preset value, controlling the first heating mechanism to heat, while the second heating mechanism heating in a first preset power; and   when the temperature detected by the first temperature detection device is less than or equal to a second preset value that is less than the first preset value, controlling the second heating mechanism to heat in a second preset power that is greater than the first preset power.   
     
     
         2 . The control method of the heating device according to  claim 1 , wherein the second water storage unit is located above the first water storage unit. 
     
     
         3 . The control method of the heating device according to  claim 2 , wherein a lower portion of the second water storage unit is communicated with an upper end of the first water storage unit, and the first temperature detection device is configured to measure a temperature of the lower portion or the middle portion of the second water storage unit. 
     
     
         4 . The control method of the heating device according to  claim 1 , wherein when the temperature detected by the first temperature detection device is less than or equal to the first preset value, controlling the first heating mechanism to heat in a third preset power, and when the temperature detected by the first temperature detection device is less than or equal to the second preset value, controlling the first heating mechanism to stop heating. 
     
     
         5 . The control method of the heating device according to  claim 4 , wherein the second preset power is less than or equal to a maximum rated heating power of the heating device. 
     
     
         6 . The control method of the heating device according to  claim 4 , wherein the first heating mechanism comprises a first heating member, and the first heating mechanism heats in the third preset power when the first heating member heats. 
     
     
         7 . The control method of the heating device according to  claim 1 , wherein the second heating mechanism comprises a second heating member and a third heating member;
 when the second heating member heats while the third heating member does not heat, the second heating mechanism heats in the first preset power; and   when the second heating member and the third heating member simultaneously heat, the second heating mechanism heats in the second preset power.   
     
     
         8 . The control method of the heating device according to  claim 1 , wherein the second heating mechanism comprises a second heating member which is a variable power heating member; when the temperature detected by the first temperature detection device is less than or equal to the first preset value, the second heating member can heat in the first preset power; and when the temperature detected by the first temperature detection device is less than or equal to the second preset value, the second heating member can heat in the second preset power. 
     
     
         9 . The control method of the heating device according to  claim 1 , wherein the control method further comprises:
 obtaining a user set temperature value; and   obtaining the first preset value based on the user set temperature value, the first preset value being in a positive correlation relationship with the user set temperature value.   
     
     
         10 . The control method of the heating device according to  claim 1 , wherein the heating device further comprises: a second temperature detection device configured to measure a temperature of the first water storage unit;
 the control method further comprises:   obtaining a user set temperature value; and   obtaining the second preset value based on the user set temperature value and a change rate of the temperature detected by the second temperature detection device.   
     
     
         11 . The control method of the heating device according to  claim 10 , wherein the second preset value is in a positive correlation relationship with the change rate of the temperature detected by the second temperature detection device. 
     
     
         12 . The control method of the heating device according to  claim 10 , wherein the second preset value is in a positive correlation relationship with the user set temperature value. 
     
     
         13 . The control method of the heating device according to  claim 10 , wherein when the temperature detected by the first temperature detection device reaches a third preset value, the second preset value is obtained based on the user set temperature value and the change rate of the temperature detected by the second temperature detection device, the third preset value being greater than the first preset value and less than the user set temperature value. 
     
     
         14 . The control method of the heating device according to  claim 10 , wherein the first temperature detection device is configured to measure a temperature of a lower portion of the second water storage unit, the lower portion of the second water storage unit being communicated with an upper portion of the first water storage unit;
 the heating device further comprises a third temperature detection device configured to measure a temperature of an upper portion of the second water storage unit;   when the temperature detected by the third temperature detection device reaches a third preset value, the second preset value is obtained based on the user set temperature value and the change rate of the temperature detected by the second temperature detection device, the third preset value being greater than the first preset value and less than the user set temperature value.   
     
     
         15 . The control method of the heating device according to  claim 10 , wherein
 when the temperature detected by the second temperature detection device is within a first range, the second preset value is obtained by subtracting a first preset parameter from the user set temperature value; and   when the temperature detected by the second temperature detection device is within a second range, the second preset value is obtained by subtracting a second preset parameter from the user set temperature value, a temperature value within the second range being less than a temperature value within the first range, the first preset parameter being greater than the second preset parameter, and the first preset parameter and the second preset parameter being positive values.   
     
     
         16 . The control method of the heating device according to  claim 15 , wherein when the temperature detected by the second temperature detection device is within a third range, the second preset value is obtained by subtracting a third preset parameter from the user set temperature value; a temperature value within the third range is less than the temperature value within the second range, the second preset parameter is greater than the third preset parameter, and the third preset parameter is a positive value; and an intermediate value of each of the first range, the second range and the third range is in a linear relationship with the corresponding preset parameter. 
     
     
         17 . The control method of the heating device according to  claim 10 , wherein the water inlet pipe is communicated with a lower portion of the first water storage unit, and the second temperature detection device is configured to measure a temperature of the lower portion or the middle portion of the first water storage unit. 
     
     
         18 . The control method of the heating device according to  claim 4 , wherein the heating device further comprises a third temperature detection device configured to measure a temperature of an upper portion of the second water storage unit; the first temperature detection device is configured to measure a temperature of a lower portion of the second water storage unit, and the lower portion or the middle portion of the second water storage unit is communicated with an upper portion of the first water storage unit;
 the control method further comprises:   obtaining a user set temperature value;   when the temperature detected by the first temperature detection device is less than a maximum safe heatable temperature, the temperature detected by the third temperature detection device reaches a sum of the user set temperature value and a fifth preset parameter, and when a temperature of the first water storage unit does not reach the user set temperature value, the first heating mechanism is controlled for heating, while the second heating mechanism stops heating;   when the temperature detected by the first temperature detection device is greater than or equal to the maximum safe heatable temperature, the temperature detected by the third temperature detection device reaches the user set temperature value, and when the temperature of the first water storage unit does not reach the user set temperature value, the first heating mechanism is controlled for heating, while the second heating mechanism stops heating.   
     
     
         19 . The control method of the heating device according to  claim 1 , wherein the heating device further comprises a third temperature detection device configured to measure a temperature of an upper portion of the second water storage unit; the first temperature detection device is configured to measure a temperature of the lower portion or the middle portion of the second water storage unit, and the lower portion of the second water storage unit is communicated with an upper portion of the first water storage unit;
 the control method further comprises:   when a difference between the temperature detected by the third temperature detection device and the temperature detected by the first temperature detection device exceeds a fourth preset parameter, controlling the second heating mechanism to heat in the second preset power.   
     
     
         20 . The control method of the heating device according to  claim 1 , wherein the heating device further comprises a second temperature detection device configured to measure a temperature of the first water storage unit;
 the control method further comprises:   obtaining a user set temperature value; and   when the temperature detected by the second temperature detection device is less than the user set temperature value, controlling the first heating mechanism to heat in a third preset power.