JP2009030816A - Cooling device for icemaker - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cooling device for icemaker capable of solving a problem of quality of conventional ice and achieving quite excellent cooling efficiency by inserting a part of a steam generating tube into a cell of an ice-making vessel and cooling the water in the cell from its center. <P>SOLUTION: This cooling device for icemaker is constituted by providing the predetermined number of U-shaped tubes 10 formed by bending short tubes into a U-shape by letting their side tube parts 11 abut, covering two abutted side tube parts 11 with a cap 20 to communicate the side tube parts 11 mutually, providing branch tube parts 15 protruding sideways at the predetermined interval to form the steam generating tube, and inserting the branch tube parts 15 into each cell 32 of the ice-making vessel 30. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a cooler for an ice making machine incorporated in an ice making machine for producing small blocks of ice.

Conventionally, an ice maker cooler that produces small blocks of ice sequentially cools the water in the cell from the outside by bringing an evaporative tube connected to the refrigeration cycle into contact with a thin box-shaped ice making container divided into a number of cells. The structure which takes is taken (refer patent document 1). However, in such a cooler for an ice making machine, since the water in the cell is made from the outside, the central part may not be sufficiently cooled to become ice or air bubbles may remain in the center. Moreover, since it is a structure which cools from the outside with the evaporation pipe which contact | abutted to the ice making container, and cools the water in a cell indirectly, there also exists a subject also in cooling efficiency.
JP-A-10-197118

  The present invention eliminates the problem of conventional ice quality by inserting a part of the evaporation tube into the cell of the ice making container and cooling the water in the cell from the center, and is extremely excellent in cooling efficiency. We propose a cooler for ice makers. Another object of the present invention is to propose an ice making machine cooler that is excellent in assembling workability and can be easily manufactured.

  In order to achieve such an object, the cooler for an ice making machine according to the present invention has a U-shaped tube 10 formed by bending a short tube into a U-shape, and a predetermined number of the tube-shaped tubes 10 in contact with the side tube portion 11. A cap 20 is put on the two side tube portions 11 that are connected and in contact with each other to connect the side tube portion 11, and branch tubes 15 that project laterally at predetermined intervals are provided to form an evaporation tube. And the branch pipe part 15 is inserted in each cell 32 of the ice making container 30, and it comprises.

  Further, in the ice maker cooler configured as described above, the U-shaped tube 10 and the cap 20 are formed of a copper material, the outer abutting surface 12 of the side tube portion 11 is formed flat, and a brazing material is formed at the joining portion. Are installed or applied and assembled, and the assembly is brazed in a heating furnace to produce an evaporation tube.

  The ice maker cooler of the present invention has a structure in which branch pipe portions 15 projecting laterally at predetermined intervals are provided to form an evaporation pipe, and the branch pipe portions 15 are inserted into the respective cells 32 of the ice making container 30. As a result, the water in the cell 32 is made from the center, and the ice quality problems in the conventional ice making cooler, such as leaving bubbles in the center, can be solved.

  In addition, since the water in the cell 32 is directly cooled, the cooling efficiency is extremely excellent, and it is possible to cope with any cooling capacity by increasing or decreasing the number of the U-shaped pipes 10, and a predetermined number of U-shaped. By manufacturing a unit in which the pipes 10 are connected and connecting the units in a plurality of rows, it can be applied to a cooler having a large capacity.

  Further, since the cap 20 is only put on the two side tube portions 11 that are in contact with each other, the assembly workability is excellent, and the U-shaped tube 10 and the cap 20 are formed of a copper material, and the outside contact of the side tube portion 11 is achieved. By forming the surface 12 flat and brazing the assembly, the evaporator tube can be firmly and airtightly joined in a single brazing process, which is easy to manufacture.

  The best mode for carrying out the present invention will be specifically described below with reference to the drawings. FIG. 1 shows a basic configuration of an ice making machine cooler according to the present invention, and shows an evaporation tube formed by connecting five U-shaped tubes 10 in series. The U-shaped tube 10 is formed by bending a copper tube (short tube) having a predetermined size into a U-shape, and the outer abutting surface 12 of the side tube portion 11 is formed flat, with a semicircular opening end. Is forming.

  In the illustrated evaporating pipe, five U-shaped pipes 10 are arranged in contact with the side pipe portion 11, and L-shaped pipes 18 having a shape obtained by cutting the U-shaped pipe 10 in half are the same at both ends. It is in contact with. A copper cap 20 is hermetically covered with the two side tube portions 11 in contact with each other, and the side tube portion 11 is communicated. Thus, the branch pipe part 15 which protrudes to the side at a predetermined interval is provided to form the evaporation pipe. The ice making container 30 is divided into cells 32 by a partition plate. As shown in FIG. 1, the branch pipe portion 15 is inserted into each cell 32 to constitute a cooler.

  Next, the manufacturing procedure of the evaporation tube will be described. The flat surface of the outer contact surface 12 of the side tube portion 11 is contacted, the cap 20 is put on the two contacted side tube portions 11, and a brazing material is installed or applied at the joint location to assemble the evaporation tube. This assembly is put into a heating furnace, brazed, joined firmly and airtightly, and finally subjected to a surface treatment such as nickel plating to produce an evaporation tube.

  In this cooler, the evaporation pipe is connected to the refrigeration cycle, the refrigerant flows through the pipe (see the arrow in FIG. 1), evaporates and cools the water in the cell 32. Water in the cell 32 is cooled from the center and made into ice by the branch pipe portion 15, and small blocks of ice having a volume of the cell 32 are sequentially made.

  Although the basic configuration has been described above, the evaporator tube shown in FIG. 1 can be manufactured as a unit, and a plurality of rows of the units can be connected in parallel or in series to be applied to a high-capacity cooler. In order to clarify the structure, the diameter of the illustrated evaporation tube is shown thick, but the dimensions of the U-shaped tube 10 and the like are determined by the specifications of the cooler.

Explanatory drawing which shows the basic composition of this invention. (A) Front view and (B) Side view of a U-shaped tube. (A) Front view of a cap, (B) Side view.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 U-shaped pipe 11 Side pipe part 12 Contact surface 15 Branch pipe part 20 Cap 30 Ice-making container 32 Cell

Claims (2)

A predetermined number of U-shaped pipes 10 formed by bending a short pipe into a U-shape are arranged in contact with the side pipe portion 11, and the cap 20 is attached to the two side pipe portions 11 in contact with each other. To cover the side tube portion 11, to provide a branch tube portion 15 protruding sideways at a predetermined interval to form an evaporation tube,
An ice making machine cooler configured by inserting the branch pipe portion 15 into each cell 32 of the ice making container 30.   The U-shaped tube 10 and the cap 20 are formed of a copper material, the outer abutting surface 12 of the side tube portion 11 is formed flat, and a brazing material is installed or applied at the joint location to assemble the assembly. The ice cooler according to claim 1, wherein the evaporator tube is manufactured by brazing.

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