Bidet having instant hot water function and method of control thereof

Abstract

The present invention relates to a bidet having instant hot water function in which a sheathed heater generates heat by a electric power supplied under the control of a controller, and, at the same time, the heating member made of aluminum is heated by the generated heat, and the tap water supplied from a hydrant is converted into hot water to spray through a nozzle to thereby wash the user's anus or genitalia, and then tap water from the hydrant is supplied to the heating member in a state where the electric power supply to the sheathed heater is disconnected under the control of the controller to quench the heating member to a room temperature, which allows reliable use of bidet, and a control method thereof.

What is claimed is: 
     
         1 . A bidet having an instant hot water feature which comprises:
 a sheathed heater to radiate heat under the control of a control unit;   a heating member surrounding the sheathed heater, the heat radiated from the sheathed heater being delivered to the heating member to convert water located in a flow channel into hot water;   a housing mounted on the heating member to accommodate the flow channel, through which a supply hole and a discharge hole, which are fluidly connected to a front end and a rear end of the flow channel, respectively, are penetrating;   a temperature sensor which is located in the discharge hole to be submerged in the flow channel of the heating member and which measures the temperature of hot water discharged through the discharge hole and the temperature of the heating member to supply or disconnect the power supply to the sheathed heater under the control of the control unit;   a mounting member mounted on the housing to fluidly connect a discharge hole and a through hole while accommodating the temperature sensor;   a guide member mounted on the mounting member to accommodate the through hole, thereby guiding the supply of the hot water or discharging air, and   a check valve mounted between the guide member and the mounting member to supply hot water and prevent backflow while opening and shutting the through hole.   
     
     
         2 . The bidet having the instant hot water feature of  claim 1 , wherein the heating member is made of aluminum. 
     
     
         3 . The bidet having the instant hot water feature of  claim 1 , wherein the heating member is configured to be inclined by 5 to 30 degrees to smoothly discharge air and hot water in which the rear end of the flow channel fluidly connected to the discharge hole is lower than the front end. 
     
     
         4 . The bidet having the instant hot water feature of  claim 1 , wherein the mounting member comprises:
 a mounting body:   an installation hole penetrating through inside of the mounting body on the same line with the discharge hole to install the temperature sensor, and   a through hole penetrating through inside of the mounting body to guide the movement of hot water and air.   
     
     
         5 . The bidet having the instant hot water feature of  claim 1 , wherein the guide member comprises:
 a guide body to guide ascending and descending movement of the check valve;   a guide discharge hole penetrating through an upper part of the guide body to guide the discharge of air located in the flow channel of the heating member by opening and shutting according to ascending and descending of the check valve; and   a water flow hole penetrating in the guide body of the opposite side of the guide discharge hole to guide the movement of hot water.   
     
     
         6 . A control method of a bidet having an instant hot water feature comprising the steps of:
 pressing an anterior or posterior cleaning button after using a toilet and supplying electric power to a sheathed heater under the control of a control unit to radiate heat;   delivering the heat radiated from the sheathed heater to a heating member surrounding the sheathed heater and converting water located in a flow channel into hot water;   heating water remaining in a flow channel with the heating member to convert it into hot water, and then opening a solenoid valve to enable the water from the hydrant to be supplied to the flow channel of the heating member through a supply hole of a housing;   measuring the temperature of hot water discharged to the discharge hole and the temperature of the heating member by a temperature sensor installed on a mounting member, while locating at the discharge hole to be submerged in the flow channel of the heating member, thereby supplying or disconnecting the electric power to the sheathed heater under the control of the control unit;   ascending a check valve with the pressure of residual hot water discharged to the discharge hole to shut a guide discharge hole of a guide member and at the same time moving through a water flow hole to wash a nozzle and then cleaning a user anteriorly or posteriorly while the hot water supplied to the supply hole is sprayed through the nozzle;   completing the anterior or posterior cleaning, pressing a stop button and disconnecting the electric power supply to the sheathed heater under the control of the control;   supplying tap water to the flow channel of the heating member through the supply hole of the housing to quench the heating member and discharge the water through the discharge hole in a state where the electric power supply to the sheathed heater is disconnected; and   measuring the temperature of water discharged through the discharge hole by the temperature sensor, shutting the solenoid valve by the control unit depending on the result value of the measurement, disconnecting the water supply from the tap and waiting for the next operation   
     
     
         7 . The control method of  claim 6 , wherein the heating member is made of aluminum. 
     
     
         8 . The control method of  claim 6 , wherein the heating member is configured to be inclined by 5 to 30 degrees to smoothly discharge air and hot water in which the rear end of the flow channel fluidly connected to the discharge hole is lower than the front end. 
     
     
         9 . The control method of  claim 6 , wherein the mounting member comprises:
 a mounting body;   an installation hole penetrating through inside of the mounting body on the same line with the discharge hole to install the temperature sensor; and   a through hole penetrating through inside of the mounting body to guide the movement of hot water and air.   
     
     
         10 . The control method of  claim 6 , wherein the guide member comprises:
 a guide body to guide ascending and descending movement of the check valve;   a guide discharge hole penetrating through an upper part of the guide body to guide the discharge of air present in the flow channel of the heating member by opening and shutting according to the ascent and descent of the check valve; and   a water flow hole penetrating in the guide body of opposite side of the guide discharge hole to guide the movement of hot water.