JPS61280366A - Flow-down type ice machine - Google Patents

Abstract

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

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a flow-down type ice maker that freezes water by flowing ice-making water onto an ice-making surface configured in a cooler.

(b) Conventional technology A conventional water-flow ice maker is, for example,
A bottom flow ice maker as disclosed in Figure 2 of Publication No. 7, a top flow ice maker as disclosed in Figure 5, and a vertical flow ice maker as disclosed in the Publication of Utility Model Publication No. 57-2866. This is exemplified by ice machines.

(c) Problems to be solved by the invention Among the above-mentioned conventional technologies, bottom and top flow type ice makers are equipped with cut heater equipment to cut the sheet ice formed on the ice plate into a predetermined size. As a result, the entire device has become larger and more complicated, leading to problems such as disconnection of the heater. In addition, vertical flow-down ice makers have limited applications because they provide sheet ice that is formed on the entire ice making plate as it is.
Moreover, each of the pair of ice plates is equipped with a refrigeration evaporator, making it extremely uneconomical.

B) Means for Solving the Problems In order to solve the above problems, the present invention provides a cooling pipe for a refrigeration system, a pair of running water plates installed vertically with a gap on both sides of the pipe, and a cooling pipe. A falling ice maker comprising a plurality of heat conductive buttons arranged on both sides of a pipe in a heat exchange relationship with the pipe, the buttons having an exposed ice making surface substantially flush with the surface of an opposing flowing water plate. be.

(E) Function According to the above configuration, the ice-making water flowing down the water plate freezes on the ice-making surfaces of the plurality of buttons, thereby making it possible to obtain ice cubes corresponding to the number of buttons. Moreover, since the buttons are arranged on both sides of the cooling pipe, it is very economical.

(f) Example Fig. 1 is a system diagram of the down-flow ice maker of the present invention, Fig. 2 is a perspective view of the main parts of the down-flow ice maker, and Fig. 3 is A of Fig. 2.
-A sectional view, Fig. 4 is a perspective view showing the relationship between the cooling pipe and the button, and Fig. 5 is an explanatory diagram of the arrangement of the button with respect to the cooling pipe. 2), an expansion valve (4) as a pressure reducing device, and a cooling pipe (5) are connected in a ring, and the condenser (3) is bypassed as an additional device. It is equipped with a bypass pipe (6) and a hot gas solenoid valve (7) connected to the bypass pipe (6). The cooling pipe (5) is arranged in a heat exchange relationship with the meandering shape (5), and a number of buttons (8B) similar to the buttons (8) arranged on one side are arranged on the other side of the cooling pipe (5). Arranged in heat exchange relationship. In this case, the buttons arranged on the - side (8N
) and the buttons (8B) arranged on the other side are arranged alternately so that they do not overlap. These buttons (8A) and (8B) have fitting grooves (9A) and (9B) having an arcuate cross section on the end surface that makes surface contact with the approximately semicircumference of the cooling pipe (5),
It has a locking flange (10A) and (IOB) in the middle part,
The other end has a flat circular ice-making surface (IIA) and (nB), and the bottom of the fitting groove (9N) and (9B) has a V-groove (12A) that forms a gap along the cooling pipe (5). ) and (12B).

Thus, the cooling pipe (5) is vertically shaped with a space on both sides.
That is, the pair of water plates (13N) and (13B) installed approximately vertically are made of the same material as the buttons (8A) and (8B) or made of stainless steel, for example, which has a lower thermal conductivity than the buttons (8A) and (8B). The button has a flat plate shape, has barring parts (14A) and (14B) inward with openings in the parts facing all the buttons (8A) and (8B), and is exposed by fitting into these openings. (8A) and (8
The ice-making surfaces (IIA) and (IIB) of B) are equipped with water plates (13
It is positioned substantially flush with the flowing water surface of A) and (13B). In addition, the flow plates (13A) and (13B) are provided with seats 15A) and (15B) at appropriate locations, and when they are connected at these parts with rivets Q6), the burring parts (14A) and (14B) is the locking flange (10
A) and (IOB), press buttons (8N) and (8
B) - Hold the cooling vibrator (5) firmly. Then, the vertical and horizontal openings formed by the water flow plates (13A) and (13B) are closed by covers 07) made of rubber or resin with extremely poor thermal conductivity. The cover (room a barrel defined by lη is formed.The cover 07) has an upper water guide part (17A) and a lower water guide part (17B) whose upper and lower parts are formed into a spire shape. Water guide section (17B
)K is formed with a water supply passage t31) as particularly shown in FIG.

Next, to explain the water system, (19) is a flowing water plate (
13A) and (13B) towards the back side of the water spout (19A)
) and (19B) are used for initial water supply and dehydration, and is located at the top of the room 0, and is equipped with water sprinkler α9.
The water supply pipe (201) extending outward from the cover 〇η is connected to the water source via the water supply solenoid valve (21). A water guide plate (27J) is provided so that the sprayed water flows down the back surfaces of the water flow plates (13A) and (13B).

(2) The water spout (2) facing the upper water guide (17A)
3A) and (23B), and a water pipe (2a is a gutter (25) for collecting water falling from the lower water guide part (17B)) extending from the water sprinkler (C).
It is connected to the discharge side of the pump device (27) installed in the water storage tank (26j) that communicates with the water storage tank (26j). ■An overflow pipe that communicates with the upper part of the townhouse room 0 Enoki, and the water that overflows from between the overflow pipes is sent to the water storage tank. It is recovered at (26).

(2) This is the overflow pipe of the dark water storage tank (26). (3) is a temperature sensor for controlling the ice-making operation and the dehydration operation.

Next, the present invention will be explained in detail. First, the water supply solenoid valve 0υ opens to start the initial water supply operation. In this case, the water supply pipe (2o
The water sprayed from the water sprinkling ports (19A) and (19B) of the water sprinkler ■ passes through the room Q8) and reaches the lower water guide portion (1).
The water falls from the water supply passage l31) formed in 7B) into the gutter (25) and is supplied to the water storage tank (26). Water storage tank(
When a fixed amount of water is supplied to 20, the water supply solenoid valve (21) closes to end the water supply. Next, the electric compressor (1) operates to circulate low-temperature refrigerant gas to the cooling pipe (5), and at the same time, the pump device (27) operates to drain the water storage tank C? 6) The ice-making water sprayed from the water pipe (2410 (23A)
).

In this way, the ice-making water flowing down the water plates (13A) and (13B) is cooled by heat conduction from the cooling pipe (5).
A) and (IIB) are gradually frozen, and the unfrozen ice-making water falls from the lower water guide part (17B) to the gutter (251), returns to the water storage tank, and flows again to the water flow plate (13A) and (1).
It is circulated to the top of 3B). Then all the buttons (8
As shown in Fig. 3, lens-shaped ice C3z finally freezes on the ice making surfaces (IIA) and (IIB) of N) and (8B), and the growth of such lens ice (32) is monitored by temperature sensor C1.
2 is detected, the electric compressor (1) will stop and stop circulating the low temperature refrigerant to the cooling pipe (5), and at the same time
The dip device (5) is also stopped and the water plate (13A) and (
13B), and the ice making operation is ended. When the ice making operation is completed, the water supply solenoid valve (21) opens,
Similar to the water supply operation described above, the water supply pipe (through the mirror and the water sprinkler (II)
The water sprayed from the water sprinkling ports (19A) and (19B) flows down the back side of the water flow plates (13A) and (13B), and the heat sensitivity of the water at this time is used to press the button (8N) and (8B).
) and the water plates (13A) and (13B), the frozen lens ice (321) is placed on the ice making surfaces (IIA) and (IIB) of the buttons (8A) and (8B).
A) and (IIB).

By the way, when the feed water temperature is extremely low, the disconnection time will be extended, so the electric compressor (1) and hot gas solenoid valve (6)
) to circulate hot gas to the cooling pipe (5),
The combined use of water and hot gas compensates for the rapid detachment of ice (3z).

In addition, in the embodiment, since the amount of water sprinkled from the water sprinkler (1!J) is larger than the amount of water passing through the water supply passage (31),
The water flowing down the back side of 3A) and (13B) is the water supply passage t.
The water falls from the gutter (31) to the water storage tank (26), but gradually accumulates in the room, and finally overflows from the overflow pipe (to) and is led to the water storage tank (26). Temporary storage of water in a room (barrel) like this is effective in promoting ice removal.

When the temperature sensor C30) detects the detachment of the ice 02, the water supply solenoid valve Cυ closes to end the dehydration operation and start the ice making operation described above.

In the present invention, since the water plates (13A) and (13B) in the above-mentioned embodiment are made of stainless steel, the water plates (13A) and (13B) receive some heat conduction from the buttons (8 people) and (8B). Ice c12 grows across (13B), but as another example, the water plate (13A) and (
13B) is made of resin, the ice-making surface (
It is also possible to freeze the United States only in 8N) and (8B).

(G) Effects of the Invention As described above, the present invention has a large number of buttons each having an ice-making surface exposed substantially flush with the surface of a flowing water plate, arranged in a heat conductive relationship with a cooling pipe. Ice can be made individually, eliminating the need for ice cutting equipment.
This makes it possible to simplify the device, reduce the frequency of failures, and improve durability.

Moreover, since the buttons are arranged on both sides of the cooling pipe and the cooling pipe is utilized without waste, it is economical and can increase the amount of ice produced.

[Brief explanation of the drawing]

Figure 1 is a system configuration diagram of the down-flow ice maker of the present invention, Figure 2
The figure is a perspective view of the main parts of the down-flow ice maker, Figure 3 is a sectional view taken along line A-A in Figure 2, Figure 4 is a perspective view showing the relationship between the cooling pipe and the button, and Figure 5 is the button for the cooling pipe. FIG. (5)...Cooling pipe, (8N), (8B)...
・Button, (11A), (IIB)...Ice making surface,
(13A), (13B)... Flowing water board.

Claims (1)

[Claims] 1. In a water flow type ice maker, there is a cooling pipe for the refrigeration system, a pair of water flow plates installed vertically with a gap on both sides of the pipe, and a pair of water plates installed vertically with a gap on both sides of the cooling pipe, in a heat exchange relationship with the pipe. 1. A flowing-down ice maker, comprising a plurality of heat conductive buttons arranged in an array, each button having an ice-making surface exposed substantially flush with the surface of the opposing flowing water plate.