JPH058372U - Filter structure of device with cooling mechanism - Google Patents

Abstract

(57) [Summary] [Purpose] The cooling mechanism is efficiently cooled for a long period of time by the external air from which dust has been removed. [Structure] Bottom part 10 of housing 10 accommodating cooling mechanism 14
The filter group 50 is detachably disposed in a. The filter set 50 includes all the suction ports 3 formed in the bottom 10a of the housing.
The hood-like main body 58 is set to have a size capable of covering 9. The filter provided on the hood-like main body 58 and the suction port 3
A space 62 is formed between the two and the space 9 so that they are sufficiently separated from each other. [Effect] The effective suction area of the filter with respect to the total opening area of the suction port can be set to be sufficiently large, and the period until the clogging due to dust occurs and the suction amount of the heat exchange air becomes insufficient becomes long.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  This invention is intended for devices such as ice makers and refrigerators that have a cooling mechanism inside the housing. Then, the compressor and condenser that make up this cooling mechanism are contacted with external air for heat exchange. In this case, a filter that can effectively prevent dust from entering the housing for a long period of time. It is about structure.

[0002]

[Prior art]

  For example, FIG. 15 shows a schematic structure of an automatic ice maker that continuously manufactures ice cubes and stores the ice cubes. When the ice cube storage chamber 12 is provided in the middle of the inside of the housing 10, Further, a machine room 16 in which the cooling mechanism 14 is arranged is defined in the lower part of the housing. This cold The rejection mechanism 14 basically includes a compressor 18, a condenser 20, and a cooler 22. The cooler 22 is provided in an ice making mechanism 24 located in the upper part of the housing. Ice cube storage An ice making water tank 26 is provided above the chamber 12, and the ice making water stored in the tank 26 is Through the nozzle 28 to the ice making chamber 30 opened below the ice making mechanism 24. With the above, ice cubes are gradually formed in the ice making chamber 30. Manufactured The ice cubes are removed from the ice making chamber 30 by switching the ice making operation to the deicing cycle. It drops and is accumulated and stored in the storage chamber 12.

[0003]   A rectangular opening 32 is opened on the front surface of the housing 10 and communicates with the ice cube storage chamber 12. At the same time, the opening 32 is closed by a door 34 that can be opened obliquely downward. Well A handle 36 is provided at the center of the upper part of the door 34, which is provided for users to open and close the door. Has been done. Further, in the condenser 20 that constitutes a part of the cooling mechanism 14, vaporization is performed. There is no heat exchange with the outside air to cool the hot refrigerant and condense it into liquefied refrigerant. Be done. That is, as shown in FIG. 15, the bottom 10a of the machine room 16 in the housing 10 is A large number of suction ports 39 are provided to rotate the intake fan 38 provided above the housing. External air is taken in through the suction port 39 by and the air is brought into contact with the condenser 20. Heat exchange. And the warm air after the heat exchange is , A duct 40 horizontally defined above the inside of the casing 10 flows in the direction of the arrow, Through the slit-shaped exhaust hole 44 formed in the upper front panel 42 located at Will be issued. It should be noted that a plurality of legs 70 are arranged on the bottom portion 10a of the housing 10, and the installation floor surface and bottom It is configured to secure a space for air circulation with the portion 10a.

[0004]

[Problems to be solved by the device]

  As described with reference to FIG. 15, the suction port formed in the bottom portion 10a of the machine room 16 In the mechanism for cooling the compressor 18 and the condenser 20 by the external air taken in from 39, Dust existing on the floor facing the bottom of the bottom portion 10a is sucked together with air. this As a result, dust adheres to the compressor 18 and the condenser 20 over time and heat exchange efficiency decreases. The suction port 39 is clogged so that the outside air cannot be sufficiently taken into the machine room 16. As a result, the heat exchange efficiency of the compressor 18 and the condenser 20 decreases, and There was a problem that caused a breakdown due to the operating system.

[0005]   Therefore, a filter that covers the suction port 39 is attached to the bottom portion 10a, and the filter is installed in the machine room 16. Proposals have been made to prevent the inhalation of dust. However, the suction port 39 As a result, the filter is arranged in a substantially tight contact state, so that the filter at the location corresponding to the suction port 39 is If the filter becomes clogged, the outside air cannot be taken into the machine room 16, It wasn't an effective solution. Moreover, the effective suction of the filter to the suction port 39 Since the areas are almost the same, clogging occurs early and the dust adhering to the filter is removed. It was necessary to carry out cleaning in a short cycle.

[0006]   Further, since the suction port 39 is provided on the rear side in the depth direction of the housing 10, Cleaning for removing dust from the suction port 39 was extremely complicated. Moreover, the state of clogging It is extremely difficult to check the condition, so it cannot be cleaned at an appropriate time. Some difficulties are pointed out.

[0007]

[The purpose of the device]

  This invention can be applied to a device equipped with a cooling mechanism such as the above-mentioned automatic ice making machine or refrigerator. In view of the existing problems, it was proposed to suitably solve this problem, and A means to efficiently cool the cooling mechanism for a long period of time by the external air from which dust has been removed The purpose is to provide.

[0008]

[Means for Solving the Problems]

  In order to overcome the above-mentioned problems and achieve the intended purpose, the present invention is manufactured inside the housing. A machine provided with a cooling processing section such as an ice section and having a cooling mechanism below the housing. A machine room is provided, and an intake fan installed above the duct defined by the housing is rotated. By doing so, the air taken in from a large number of suction ports formed in the bottom of the machine room can be removed. , So that heat is exchanged by contacting a compressor or condenser that forms part of the cooling mechanism. In the device provided with the cooling mechanism,   Detachably mounted under the bottom of the machine room, all suction ports are housed inside With a hood-shaped body set to a size that allows   In the hood-shaped body, an opening opened over substantially the entire area of the bottom plate,   Consisting of the required mesh filter stretched in the opening,   When the hood-shaped main body is attached to the bottom of the housing from below, the filter and the It is characterized in that it is configured so as to define a space that is sufficiently separated from the suction port. It

[0009]

【Example】

  Next, a preferred embodiment of the filter structure of the device including the cooling mechanism according to the present invention The following description will be given by way of example with reference to the accompanying drawings. A device equipped with a cooling mechanism As an example, an automatic ice maker having the basic structure described with reference to FIG. 15 will be described as an example. To do. Also, since the basic structure of the ice maker is the same as that described above, The same members as those described in 1 are indicated by the same reference numerals and detailed description thereof will be omitted. .

[0010]   As shown in FIG. 1, a plurality of legs 70 are arranged on the bottom portion 10 a of the housing 10, and the bottom portion 1 a The housing 10 is installed with a required space secured between 0a and the floor. Well The bottom portion 10a of the machine room 16 defined by the housing 10 has an appropriate area over the required area. A large number of suction ports 39 are formed in a pattern, and external air is allowed to pass through these suction ports 39. It is taken into the machine room 16. Both left and right sides of the region where the suction port 39 is formed (the housing As shown in FIG. 2, a pair of guide rails are provided on both sides in the direction intersecting the depth direction of 10). Are arranged parallel to each other and extend over a predetermined length in the depth direction of the housing 10. It has been extended. The guide rails 46, 46 face each other with a space between the guide rails 46, 46 and the bottom 10a of the housing. Grooves 48, 48 are defined in the groove, and a filter set 50 (described later) is attached and detached through the grooves 48, 48. It is designed to be installed freely.

[0011]   On the bottom portion 10a near the front side of the housing 10 (FIG. 1), the guide rail 4 Water supply communicating with the tank 26 at a position separated from the positions where the 6, 46 are provided (FIG. 2). A pipe 72 and a drain pipe (not shown) are provided so as to project. And, for example, the water supply pipe 72 has an external supply. A pipe (not shown) connected to the water system is connected via a water supply plug 68 to operate the automatic ice maker. At the time of turning, it is necessary to open the water tap 68 to supply water from the external water supply system. Is made. The vicinity of the front end of the filter assembly 50 and the floor surface on which the housing 10 is installed are A required space is defined between the two so that the faucet 68 can be easily operated. (See below).

[0012]   As shown in FIG. 4, the filter set 50 includes a bottom plate 52 formed in a rectangular shape and A pair of side plates 54, 54 provided upright on both edge portions along the longitudinal direction of the bottom plate 52; 2 and the rear plate 56 which is erected on the rear edge of the rear end and is connected to both side plates 54, 54. The main body 58 is formed. The side plate 54 faces from the front end to the rear end as shown in FIG. It is formed in a so-called wedge shape whose height dimension increases as it gets caught, and at the rear end In addition, the rear plate 56 is continuously provided with the same height. And like this Front of both side plates 54, 54 and rear plate 56 and bottom plate 52 of the configured hood-like body 58 The rectangular opening formed by the end edge portion is a suction hole formed in the housing bottom portion 10a. The size is set so that all the inlets 39 can be surrounded. The hood body 58 is an example. For example, it is formed by bending a sheet metal or is molded with synthetic resin.

[0013]   At the upper edge of the side plate 54, a guide portion 60 that horizontally extends outward is formed. The guide portions 60, 60 of the side plates 54, 54 are defined by the guide rails 46, 46. By inserting into the grooves 48, 48, as shown in FIGS. 2 and 3, the hood-like main body 58 is attached to the bottom 10a of the housing. At this time, all of the holes drilled on the bottom 10a of the housing The suction port 39 will be housed inside the hood-like main body 58. Also, the above As shown in FIG. 1, since the side plate 54 is formed in a wedge shape, the bottom plate 56 is a bottom plate. The part 10a is inclined downward and faces the depth direction. As a result, the housing Between the suction port 39 formed in the bottom portion 10a and the bottom plate 52, a wedge that sufficiently separates them from each other. The space 62 is defined.

[0014]   As shown in FIG. 4, the bottom plate 52 is provided with a rectangular opening 52a extending over substantially the entire area. And a filter 6 made of a net having a predetermined mesh size for collecting dust in the opening 52a. 4 is stretched. In the air that is sucked into the space 62 through the filter 64 The dust is completely collected. Further, the bottom plate 52 is inclined with respect to the housing bottom portion 10a. Therefore, the suction port 39 formed in the bottom portion 10a facing the inside of the hood-like main body 58 is The effective suction area (surface area) of the filter 64 is set to be larger than the total opening area. . That is, the entire filter 64 is clogged, so that the suction port 39 is inserted. It is possible to extend the period until the amount of air taken into the machine room 16 becomes insufficient. It is something. Note that the filter 64 and the hood-shaped main body 58 are combined by the main body 58. If it is made of resin, it can be connected together and the hood When the main body 58 is made of sheet metal, it is fixed by an appropriate fixing means.

[0015]   At the front edge of the bottom plate 52, as shown in FIG. 5, a handle 6 that is suspended by a predetermined length. 6 is formed, and the handle 66 attaches the filter set 50 to the housing bottom portion 10a and Used for removal (see FIGS. 6 and 7).

[0016] (About modification of filter set)   8 to 14 show a modified example of the filter set 50, and the filter shown in FIG. The hood-shaped main body 58 of the filter assembly 50 is formed in a rectangular box shape and has a bottom plate 52. And the housing bottom portion 10a are configured to face in parallel with each other with a predetermined distance therebetween. See also In the filter set 50 shown in FIG. 9, the hood-like main body 58 is formed in a rectangular box shape as a whole. At the same time, the concave portion 74 is formed in the middle portion in the depth direction, and It is set so that you can earn a large area. The film set 50 shown in FIG. Contrary to the modification example shown in FIG. 9, the convex portion 76 is provided at the intermediate portion in the depth direction of the hood-shaped main body 58. By forming the filter 64, the surface area of the filter 64 is increased. Change In the modification shown in FIG. 11, the hood-shaped main body 58 is separated from the hood-shaped main body 58 by a predetermined distance. Two convex portions 76, 76 are formed.

[0017]   The hood-like main body 58 of the filter set 50 shown in FIG. 12 is formed on the bottom 10a of the housing. It is formed in a semicircular shape that surrounds all the suction ports 39 provided. Also shown in FIG. In the filter set 50, the side plate 54 is formed in a triangular shape, and the filter set shown in FIG. In 50, the side plate 54 is formed in a trapezoidal shape. Even in these modifications, the housing The bottom portion 10a and the filter 64 arranged on the hood-shaped main body 58 are provided so as to be sufficiently separated from each other. It is fixed.

[0018]

[Operation of the embodiment]

  Next, the operation of the filter structure of the device having the cooling mechanism according to the present invention will be described. It First, a pair of guide rails 46, 46 arranged on the bottom portion 10 a of the housing 10 Both guides 60, 60 of the filter assembly 50 are inserted into the grooves 48, 48 defined by At the same time, the filter set 50 is pushed to a predetermined position. As a result, the filter set 50 In the space 62 defined by the hood-like main body 58 in FIG. The filter set 50 is mounted on the housing 10 with all the suction ports 39 facing. Na An appropriate stopper (not shown) is provided at the front end of the guide portion 60, so that the housing bottom portion 10a It is recommended to be able to position the filter set 50 in place with respect to .

[0019]   In this state, the intake fan 38 disposed inside the housing 10 is rotated. Therefore, as shown by the arrow in FIG. Air is sucked into the space 62. At this time, dust in the air is completely removed by the filter 64. Clean air is taken into the machine room 16 through the suction port 39, After heat exchange with the compressor 18 and the condenser 20, the air of the It is discharged to the outside via.

[0020]   The filter 64 of the filter set 50 will be clogged with dust as time passes. Cheat. In this case, in the conventional filter structure, the suction port 39 may be formed at a corresponding position. Since the filter 64 was placed closely, it is easy for that part to clog early. However, in this embodiment, since the space 62 is defined between the filter 64 and the bottom portion 10a, , The filter 64 can be prevented from being partially clogged. In addition, the filter 64 When arranging the filter 64 in parallel with the housing bottom portion 10a by tilting The effective suction area (surface area) can be made larger than that of Even if the compressor is clogged at an early stage, the compressor can be removed from other parts that are not clogged. Sufficient air can be sucked in for heat exchange of 18 and the condenser 20. That is, Clogging of the entire engine, leading to insufficient intake of external air into the machine room 16. The period up to is much longer than the conventional one.

[0021]   Further, the filter set 50 is formed by a handle formed on the bottom plate 56 as shown in FIGS. 6 and 7. The filter 64 can be pulled out to the front side of the housing 10 only by pulling 66 toward you. The clogging state of can be checked very easily.

[0022]   When cleaning the filter set 50, as shown in FIG. 6 and FIG. The filter assembly 50 is removed from the housing bottom portion 10a via the hand 66, and dust is removed outside. To do. Then, the cleaned filter set 50 has the guide portions 60, 60 with the rear end portions thereof guided. After inserting it into the grooves 48, 48 defined by the drails 46, 46, via the handle 66, It can be easily installed by pushing it in. Further, the filter set 50 is attached to the bottom 10a of the housing. In the mounted state, as shown in FIG. 1, in the vicinity of the front end portion of the filter set 50. Since a large space is defined between the bottom plate 52 and the floor surface of the When inserting the arm from the front of the housing between the bottom 10a and the floor for the operation of 68, the flap The filter group 50 does not interfere. Further, since the bottom plate 52 is inclined, External air is smoothly sucked into the filter 64 arranged on the bottom plate 52 from the front side of the housing 10. Get caught

[0023]   In addition, also in the modification examples shown in FIGS. Filter 64 and the bottom portion 10a are sufficiently separated from each other, and the surface area of the filter 64 is increased. As I earn money, even if a specific part gets clogged early, Sufficient air for heat exchange of the compressor 18 and the condenser 20 is sucked from other parts that are not twisted. It can be crowded. In addition, each filter set 50 according to the modification is attached to the housing bottom portion 1 0a, the bottom plate 52 near the front end of the filter set 50 is attached. Since a required space is defined between the floor and the floor, it is necessary to operate the water tap (drain tap) 68. It can be done easily.

[0024]

[Effect of device]

  As described above, according to the filter structure of the device including the cooling mechanism according to the present invention, Space between the inlet and the filter, which is formed in the bottom of the housing, Since it is defined, it is effective that only the part corresponding to the suction port causes partial clogging. Can be avoided. In addition, by separating the suction port and the filter, Set the effective suction area (surface area) of the filter large enough for the total opening area of the inlet. Even if a specific part is clogged early, it will be clogged. Sufficient air is sucked in from other parts to allow efficient heat exchange of the cooling mechanism be able to. Therefore, even if the filter is clogged, heat exchange into the housing Make the period until the amount of intake air becomes insufficient to be longer than the conventional one You can Therefore, it is possible to set a long cycle for performing maintenance such as cleaning. There are advantages.

[0025]   Also, the filter assembly can be easily removed and installed from the front side of the housing, so Maintenance such as cleaning and replacement of filters can be performed easily in a short time. Moreover, , You can easily check the clogging of the filter, so clean the filter at an appropriate time. It becomes possible to perform the sweep.

[0026]   Further, it is configured to define a required space between the bottom plate on the front side of the filter set and the floor surface. Therefore, it is possible to easily operate, for example, a faucet provided on the bottom of the housing. Have a point.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional side view showing a schematic configuration of an automatic ice making machine adopting a filter structure according to an embodiment.

FIG. 2 is a front view showing a partially cutaway main part of the automatic ice maker.

FIG. 3 is a schematic perspective view showing an essential part of the automatic ice maker with a part thereof cut away.

FIG. 4 is a perspective view showing a filter set.

FIG. 5 is a side view of a filter set.

FIG. 6 is a perspective view of an essential part of the automatic ice maker with a filter set attached thereto.

FIG. 7 is a perspective view of essential parts showing a state where the filter assembly is removed from the automatic ice maker.

FIG. 8 is a side view of an essential part showing a modified example of a filter set.

FIG. 9 is a side view of an essential part showing a modified example of a filter set.

FIG. 10 is a side view of an essential part showing a modified example of a filter set.

FIG. 11 is a side view of an essential part showing a modified example of the filter set.

FIG. 12 is a side view of an essential part showing a modified example of a filter set.

FIG. 13 is a side view of the main parts showing a modified example of the filter set.

FIG. 14 is a side view of an essential part showing a modified example of a filter set.

FIG. 15 is a vertical sectional side view showing a schematic configuration of an automatic ice making machine according to a conventional technique.

[Explanation of symbols]

10 housing 10a bottom 14 Cooling mechanism 16 Machine room 18 compressor 20 condenser 24 Ice making mechanism 38 Intake fan 39 Suction port 40 ducts 52 Bottom plate 52a opening 58 Hood-like body 62 space 64 filters

Claims (2)

[Scope of utility model registration request] 1. A machine room (16) provided with a cooling processing section (24) such as an ice making section inside the housing (10) and a cooling mechanism (14) below the housing (10). ) Is provided, and by rotating the intake fan (38) provided above the duct (40) defined in the housing (10), it is bored in the bottom portion (10a) of the machine room (16). The air taken in from the many suction ports (39) is cooled by the cooling mechanism.
In a device including a cooling mechanism (14) configured to contact a compressor (18) or a condenser (20) forming a part of (14) to perform heat exchange, a bottom portion of the machine chamber (16) ( 10a) a hood-like main body (58) that is detachably attached to the lower side and is set to a size capable of accommodating all the suction ports (39), and a bottom plate (52) of the hood-like main body (58) Opening (52a) over the entire area, and a filter (64) of the required mesh stretched over the opening (52a)
When the hood-shaped main body (58) is attached to the bottom portion (10a) of the housing (10) from below, the filter (64) and the suction port (39) are sufficiently separated from each other. A filter structure for an apparatus having a cooling mechanism, characterized in that it is configured to define a space (62) that 2. The bottom plate (52) of the hood-shaped main body (58) is close to the front end portion of the main body bottom plate (52) when the hood-shaped main body (58) is attached to the housing bottom part (10a). The filter structure of an apparatus having a cooling mechanism according to claim 1, wherein the filter structure is configured to define a required space with a floor surface on which the housing (10) is installed.