JPS599271U - Ice maker operation control device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

Figures 1 and 2 are characteristic diagrams of temperature sensitivity and time in a conventional ice maker, Figure 3 is a schematic configuration diagram showing the entire ice maker according to the present invention, and Section 4 is a water system path of the ice maker according to the present invention. 5 is a circuit diagram, FIG. 6 is a diagram showing a time chart, and FIGS. 7 and 8 are circuit diagrams showing other embodiments of the one circuit diagram shown in FIG. 5. 1 is the ice making section, 2 is the ice making compartment, 3 is the water sprinkler, 4 is the evaporator-1
5 is an ice making water tank, PM is a circulation pump, 6 is a gutter, 7 is a drain pipe, 8 is a spare tank, 9 is a deicing water pump, WV is a water valve, 10 is a supply pipe, 13 is a return pipe, CM is a compression pipe machine, FM is a cooling fan, HV is a solenoid valve.
1Th is a temperature sensitive cable, TM is a timer, A-B is a normally closed contact,
CD is a normally open contact. Figure 5 Figure 6

Claims (5)

[Scope of utility model registration request] (1) An ice-making section, an ice-making water circulation system that circulates and supplies ice-making water to the ice-making section using a circulation pump, and circulates a hot medium from a compressor to an evaporator provided in the ice-making section via a condenser. Operation of an ice maker having a refrigerant circulation system and a bypass pipe provided in the refrigerant circulation system and bypassing the condenser and connecting the refrigerant outlet side of the compressor and the refrigerant inlet side of the evaporator via a solenoid valve. The control device includes a temperature sensing element provided in the ice making unit to detect first and second predetermined temperatures of the ice making unit, a normally open contact that operates after a predetermined delay time at startup and termination, and a normally closed contact. A timer having contacts is connected in series, and the circulation pump and the solenoid valve are connected in series to these normally closed contacts and normally open contacts, respectively,
Detecting with a temperature sensing element that the temperature of the ice making section has decreased to a first predetermined temperature, the timer is energized, and the closed contact is opened and the normally open contact is opened after a predetermined delay time when the timer is activated. the operation of the circulation pump is stopped and the solenoid valve is opened, and when the temperature sensing element detects that the temperature of the ice making section has risen to a second predetermined temperature, the operation of the timer is terminated; The ice making device is characterized in that the normally closed contact is closed and the normally open contact is opened after a predetermined delay time when the timer ends, thereby operating a circulation pump and closing a solenoid valve. Machine operation control device. (2) The operation control device for an ice maker according to claim 1, wherein the timer is a thermal timer. (3) The operation control device for an ice making machine according to claim 2, wherein the timer is a thermal timer whose operating time changes depending on the outside temperature. (4) The operation control device for an ice making machine according to claim 1, wherein the timer is an electronic timer. (5) The operation control device for an ice making machine according to claim 1, wherein the timer is a motor timer.