Vibration motor driving apparatus using a serial interface

Abstract

A natural circulation boiler for heating includes a water tank wherein the height of one side is formed to be lower than the height of the other side to include a water storage part wherein water is stored, and a water inlet is formed on the top of the one side, a check valve installed at the bottom of the water tank, and including a body part, a top connection part formed on the top of the body part, a bottom connection part formed at the bottom of the body part and a backflow prevention plate that opens or blocks the flow path of the top connection part, a water discharge tube wherein one end thereof is connected with the bottom connection part of the check valve and the other end thereof is connected with the top connection part of the check valve, an electric heater wherein one end thereof is connected with the bottom connection part of the check valve to heat the water supplied from the water tank, a discharge tube connected with the other end of the electric heater to feed the water heated at the electric heater to a heating zone, a water tank suction part formed to interface with a hole formed at the bottom of the other side of the water tank, a suction tube whose one end is connected with the water tank suction part, and a pressure reduction tube formed such that one end interfaces with the suction tube, and the other end interfaces with the air storage part on the top of the other side of the water tank.

1 . A natural circulation boiler for heating, comprising:
 a water tank wherein the height of one side is formed to be lower than the height of the other side to include a water storage part wherein water is stored, and a water inlet is formed on the top of the one side;   a check valve installed at the bottom of the water tank, and including a body part, a top connection part formed on the top of the body part, a bottom connection part formed at the bottom of the body part and a backflow prevention plate that opens or blocks the flow path of the top connection part;   a water discharge tube wherein one end is connected with the bottom connection part of the check valve and the other end is connected with the top connection part of the check valve;   an electric heater wherein one end is connected with the bottom connection part of the check valve to heat the water supplied from the water tank;   a discharge tube connected with the other end of the electric heater to feed the water heated at the electric heater to a heating zone;   a water tank suction part formed to interface with a hole formed at the bottom of the other side of the water tank;   a suction tube whose one end is connected with the water tank suction part; and   a pressure reduction tube formed such that one end interfaces with the suction tube, and the other end interfaces with the air storage part on the top of the other side of the water tank.   
     
     
         2 . The boiler of  claim 1 , wherein the electric heater includes first and second heating tanks, wherein a heater is installed between the heating tanks. 
     
     
         3 . The boiler of  claim 1 , further comprising a safety valve that is installed at the discharge tube. 
     
     
         4 . The boiler of  claim 1 , further comprising a safety valve that is installed at the pressure reduction tube. 
     
     
         5 . The boiler of  claim 1 , further comprising a water level sensor installed at the bottom of the water tank, which senses the level of water stored in the water tank. 
     
     
         6 . The boiler of  claim 1 , wherein the plane shape of the backflow prevention plate of the check valve is formed to correspond to that of the top connection part, and the size is formed to be larger than the diameter of the top connection part. 
     
     
         7 . The boiler of  claim 1 , wherein the side shape of the backflow prevention plate of the check valve is formed to have the central area swollen downward. 
     
     
         8 . The boiler of  claim 1 , wherein the backflow prevention plate of the check valve is formed in a flat shape, wherein a plurality of grooves are formed on the inner top surface of the body part of the check valve. 
     
     
         9 . The boiler of  claim 1 , wherein the check valve further includes a spring member that is installed on the top of the backflow prevention plate. 
     
     
         10 . The boiler of  claim 1 , further comprising:
 a connection tube that interfaces the suction tube and the discharge tube;   a pressure control valve installed at the connection tube; and   a pressure sensor that senses a pressure applied to the connection tube, and controls the operation of the pressure control valve and the electric heater according to sensed results.   
     
     
         11 . A natural circulation boiler for heating, comprising:
 a water tank wherein the height of one end is formed to be lower than that of the other end to include a water storage part wherein water is stored and an air storage part wherein air is stored, and a water inlet is formed on the top of the one side;   a variable airbag installed on the top of the other side of the water tank;   a first part connected to the variable airbag that is formed on one side of the variable airbag to be connected with the air storage part of the water tank;   a second part connected to the variable airbag connected with the variable airbag through the second part connected to the variable airbag that is formed on one side or the top of the variable airbag;   an air discharge valve connected with the variable airbag through the second part connected to the variable airbag that is formed on one side or the top of the variable airbag;   a check valve installed at the bottom of the water tank, which includes a body part, a top connection part formed on the top of the body part, a bottom connection part formed at the bottom of the body part and a backflow prevention plate that opens or blocks the flow path of the top connection part;   a water tank discharge tube wherein one end is connected with a hole formed at the bottom of the one side of the water tank, and the other end is connected with the top connection part of the check valve;   an electric heater whose one end is connected with the bottom connection part of the check valve to heat the water supplied from the water tank;   a discharge tube that is connected with the other end of the electric heater to feed the water heated at the electric heater to a heating zone;   a water tank suction part that is formed to interface with a hole formed at the bottom of the other side of the water tank; and   a suction tube wherein one end is connected with the water tank suction part.   
     
     
         12 . The boiler of  claim 11 , further comprising:
 a sensing part for sensing the volume of air stored in the variable airbag; and   an air discharge valve controller that controls the operation of the air discharge valve according to results sensed by the sensing part.   
     
     
         13 . The boiler of  claim 11 , further comprising a pressure reduction tube is formed such that one end interfaces with the suction tube, and the other end interfaces with the air storage part on the top of the other side of the water tank. 
     
     
         14 . The boiler of  claim 12 , further comprising a pressure reduction tube is formed such that one end interfaces with the suction tube, and the other end interfaces with the air storage part on the top of the other side of the water tank.