| 摘要 |
PURPOSE: A manufacturing method of a diffusion and absorption type refrigeration device is provided to improve heating efficiency by firstly heating a concentrated solution using an electric heater. CONSTITUTION: A manufacturing method of a diffusion and absorption type refrigeration device is as follows. A condenser, an evaporator, a solution tank, and an absorber are coupled to each other(S110). The bottom end of a bubble pipe is connected to the top end of a concentrated solution receiving part(S120). The concentrated solution receiving part is coupled to a first opening of a base pipe, and the coupled portion is sealed(S130). A socket of a coupler is coupled to a second opening of the concentrated solution receiving part to extend a heat transfer pipe of the coupler to the inner side of the concentrated solution receiving part, and the coupled portion is sealed(S140). [Reference numerals] (S110) Coupling a condenser, an evaporator, a solution tank, and an absorber to each other; (S120) Connecting the bottom end of a bubble pipe to the top end of a concentrated solution receiving part; (S130) Coupling the concentrated solution receiving part to a first opening of a base pipe to arrange the whole portion of the bubble pipe and portions of the concentrated solution receiving part in the inner side of the base pipe connected to the condenser and sealing the coupled portion; (S140) Coupling a socket of a coupler to a second opening of the concentrated solution receiving part to extend a heat transfer pipe of the coupler to the inner side of the concentrated solution receiving part, and the coupled portion is sealed; (S150) Coupling an electric heater to the coupler to locate a heating bar heated by an AC or DC power source inside the heat transfer cover; (S210) Forming first screw threads on the inner side of the socket, forming an air hole on the side surface of the socket to be connected to the outside, and forming a groove on the outer surface of the heat transfer cover to increase a heat radiation area; (S220) Forming second screw threads corresponding to the first screw threads on the outer surface of an insert of the electric heater
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