JP4004722B2 - refrigerator - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a refrigerator having a configuration in which a vegetable room is provided in an intermediate portion in the vertical direction of a refrigerator main body.
[0002]
[Problems to be solved by the invention]
In recent years, household refrigerators include a so-called mid-vegetable room type in which a vegetable room is provided in an intermediate portion in the vertical direction of the refrigerator body. Conventional examples of this type of refrigerator are shown in FIGS.
[0003]
First, in FIG. 7 and FIG. 8, the refrigerator body 1 is provided with a refrigeration room 2a at the top and a vegetable room 2b below it, and an ice making room 2c and a switching room 2d below the vegetable room 2b. The freezer compartment 2e is provided in the lowermost part. A partition wall 1a having heat insulation is provided between the vegetable room 2b and the ice making room 2c and the switching room 2d below the vegetable room 2b, and the partition wall 1a provides a refrigeration temperature zone for the refrigerator room 2a and the vegetable room 2b. And a freezing temperature zone of the ice making room 2c and the freezing room 2e. In addition, the switching chamber 2d is configured to be able to select one temperature zone from among a plurality of temperature zones.
[0004]
A refrigerator 3a for refrigerating room and a fan 4a for refrigerating room for cooling the refrigerating temperature zone are disposed inside the back of the vegetable room 2b, and the refrigerating temperature is disposed inside the refrigerating room 2e. A freezer cooler 3b and a freezer fan 4b for cooling the zone are provided. And the board | substrate accommodating part 5 is formed by denting the heat insulation wall 1a of the refrigerator main body 1 to the front side at the upper part of the refrigerator outside of the refrigerator compartment 2a back, and the control circuit board 6 is formed in this board | substrate accommodating part 5. It is arranged. The control circuit board 6 and each electrical component provided in the refrigerator body 1 are connected via lead wires and connectors.
[0005]
In the refrigerating chamber 2a, a first storage portion 7a is provided at the back of the lower left portion when viewed from the front, as shown in FIG. 9, and a temperature sensor on the refrigerating chamber 2a side is provided in the first storage portion 7a. Electrical components such as 8 and lead wires and connectors related to the water supply device 10 for supplying water to an ice tray (not shown) of the automatic ice making machine 9 installed in the ice making chamber 2c are accommodated. Further, a second storage portion 7b is provided on the left side of the inner box reinforcing plate 11 (see FIG. 10) for reinforcing the inner box provided at the back of the refrigerator 3a for the refrigerator compartment. Lead wires and connectors such as the defrost heater 12 are accommodated in the accommodating portion 7b. Furthermore, a third storage portion 7c is formed on the left side of the cooler cover 13 (see FIG. 11) provided in the front portion of the refrigerator 3a for the refrigerator compartment, and the third storage portion 7c includes Lead wires and connectors such as the refrigerator compartment fan 4a are accommodated.
[0006]
However, the conventional configuration described above has the following drawbacks. That is, since the control circuit board 6 is disposed on the upper back of the refrigerator body 1, the lead wires for connecting the control circuit board 6 and each electrical component disposed on the refrigerator body 1 are long. As a result, the cost increases accordingly. Also, since vinyl chloride is generally used for the outer sheath of the lead wire, if the amount of lead wire used is large, the environment is also bad. Further, since the control circuit board 6 is disposed, the substrate housing part 5 is formed on the back of the refrigerator compartment 2a, so that the effective volume of the refrigerator compartment 2a is reduced.
[0007]
The present invention has been made in view of the above-described circumstances, and the object thereof is arranged in a control circuit board and a refrigerator body in a configuration in which a vegetable room is provided in an intermediate portion in the vertical direction of the refrigerator body. It is an object of the present invention to provide a refrigerator that can shorten the lead wire for connecting each electric component as much as possible and does not reduce the effective volume in the cabinet.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, according to the first aspect of the present invention, there is provided a refrigerator provided with a vegetable compartment at an intermediate portion in the vertical direction of the refrigerator main body, wherein electrical components disposed in the refrigerator main body are connected via lead wires. The control circuit board to be disposed outside the back of the vegetable compartment, and the lead wire connecting the control circuit board and the electrical components inside the vegetable compartment back facing the control circuit board And the like. The storage portion for storing the above together is integrally provided on the inner box reinforcing plate for reinforcing the inner box .
[0009]
By arranging the control circuit board on the back of the vegetable room in the middle of the refrigerator main body in the vertical direction, the control circuit board and the refrigerator It becomes possible to shorten the length of the lead wire connecting between the electrical components arranged in the main body as much as possible. In addition, the vegetable room is generally a drawer type, and a marginal space that becomes a dead space is formed at the back of the drawer-type vegetable room, and a control circuit board is disposed using this marginal space. Thus, it becomes possible to dispose the control circuit board without reducing the effective volume in the storage.
[0010]
In this case, the control circuit board is disposed on the outside of the back of the vegetable room, and the lead wire that connects the control circuit board and the electrical components on the inside of the back of the vegetable room facing the control circuit board. Etc. are integrally provided on the inner box reinforcing plate for reinforcing the inner box .
According to this, it is structured to store lead wires and the like together in the storage part provided at the back of the vegetable compartment, so that the work at the time of assembly is compared to the case where the storage part is provided in a plurality of locations. And the workability at the time of replacement and inspection of electrical parts can be improved. In addition, by providing the storage section on the back of the vegetable compartment, the extra space in the back of the vegetable compartment can be used more effectively, and by providing the storage section integrally with the inner box reinforcing plate for reinforcing the inner box, the storage section is provided. The number of parts can be reduced compared with the case where it is provided separately.
[0011]
Moreover, like the invention of Claim 2 , it arrange | positions to one side part inside the store | warehouse | chamber interior of a vegetable room back part, and arrange | positions the cooler in the side of the vegetable room back part on the opposite side to the said cooler. It is preferable that the control circuit board is disposed, and a storage unit that collectively stores lead wires and the like connecting the control circuit board and the electrical components is provided inside the cabinet facing the control circuit board.
[0012]
This also makes it possible to improve the workability at the time of assembling, as well as the replacement and inspection of electrical parts, as described above, by arranging the lead wires etc. together in the storage part provided at the back of the vegetable room. Workability can also be improved. Further, in this case, the cooler is arranged at the back of the vegetable room, but the cooler is arranged close to one side, and the control circuit board is arranged on the side opposite to the cooler. By providing the storage section, the extra space behind the vegetable compartment can be used more effectively.
[0013]
Also in this case, the storage part is provided integrally with the inner box reinforcing plate for reinforcing the inner box, and the number of parts can be reduced as compared with the case where the storage part is provided separately.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention will be described below with reference to FIGS. First, in FIG. 1 thru | or 4, the refrigerator main body 21 is comprised from the rectangular-shaped heat insulation box 22 long in an up-down direction. The heat insulation box 22 includes a steel plate outer box 23, a plastic inner box 24, and a foam heat insulating material 25 that is foam-filled between the outer box 23 and the inner box 24. A partition wall 26 is provided at the lower portion of the intermediate portion in the vertical direction of the heat insulating box 22.
[0015]
Inside the refrigerator main body 21, a refrigerator compartment 27 is provided at the top, a vegetable compartment 28 is provided below the ice compartment 29, and an ice making room 29 and a switching room 30 are provided side by side under the vegetable compartment 28, and A freezer compartment 31 is provided at the bottom. Doors 27a to 31a (however, the door of the ice making chamber 29 is not shown) are provided in front of these chambers 27 to 31. Among the chambers 27 to 31, the door 27 a of the uppermost refrigerating chamber 27 is a rotary type in which one side portion is pivotally supported, while the other chambers 28 to 31 include the doors 28 a to 31 a and containers. It is a pull-out type that moves in the front-rear direction.
[0016]
The inside of the refrigerator main body 21 is divided by the partition wall 26 into a refrigeration temperature zone of the refrigeration room 27 and the vegetable room 28, and a freezing temperature zone of the ice making room 29 and the freezing room 31. The switching room 30 includes a refrigerator room (about 2 ° C.), a vegetable room (about 5 ° C.), a freezer room (about −18 ° C.), a partial room (about −3 ° C.), a chilled room (about 0 ° C.), wine One temperature zone of the cooling chamber (about 8 ° C.) can be selected.
[0017]
A machine room 32 is provided at the bottom rear part of the refrigerator main body 21, and a compressor 33, a machine room fan 34, a defrost water evaporating dish 35, and the like are disposed in the machine room 32. A freezer cooler 36 for cooling the freezing temperature zone, a freezer fan 37, a defrost heater 38, and the like are disposed inside the refrigerator at the back of the freezer room 31, and on the front side thereof. A cooler cover 39 is provided.
[0018]
On the inner side of the back of the vegetable compartment 28, one side, in this case as shown in FIGS. 3 and 4, is moved to the right side when viewed from the front, and a refrigerator 40 for refrigerating room for cooling the refrigerating temperature zone. In addition, a cooling room fan 41, a defrosting heater 42, and the like are provided, and a cooler cover 43 is provided on the front side thereof. A heat insulating material 44 is provided on the back side of the cooler cover 43. In this case, the refrigerating room cooler 40 has a width dimension smaller than that of the conventional refrigerating room cooler 3a and a larger vertical dimension, and the cooling area is a conventional refrigerating room cooling. It is comprised so that it may become substantially equivalent to the container 3a.
[0019]
And in the rear wall 22a of the heat insulation box 22 in the back part of the vegetable compartment 28, the board | substrate accommodating part 45 hollow toward the front is provided in the left warehouse outer side which is a side part on the opposite side to the refrigerator 40 for refrigerator compartments. The control circuit board 46 is disposed in the board housing portion 45. On the back surface of the rear wall 22 a of the heat insulation box 22, a back cover 45 a that covers the substrate housing portion 45 and the control circuit substrate 46 is provided.
[0020]
In addition, in the rear wall 22a of the heat insulating box 22 at the back of the vegetable compartment 28, a storage portion 47 for storing lead wires and the like is provided on the inner side facing the control circuit board 46. As shown in FIGS. 5 and 6, the storage portion 47 is a plastic inner box reinforcing plate 48 provided on the back of the refrigerator 40 for refrigerating room in order to reinforce the inner box 24 of the heat insulating box 22. The front surface is closed by a lid 49. The storage portion 47 is divided into a lead wire storage portion 47a for storing the lead wire 50 and a connector storage portion 47b for storing a connector (not shown). A vegetable compartment cover 51 is provided at the top of the vegetable compartment 28.
[0021]
An automatic ice making machine 52 (see FIG. 4) is disposed in the upper part of the ice making chamber 29, and a water supply device 53 is disposed in the lower left part of the refrigeration chamber 27. A water tank that does not work is set. The water in the water supply tank is supplied from the water supply device 53 to the ice tray (not shown) of the automatic ice making machine 52 through the water supply hose 54. Further, a duct 55 for guiding cool air is provided at the rear of the refrigerator compartment 27, and a temperature sensor 56 for the refrigerator compartment is provided in this duct 55. A temperature sensor 57 for the freezer compartment is also provided at the rear of the freezer compartment 31.
[0022]
Here, electrical components such as the compressor 33, the machine room fan 34, the freezer room fan 37, the defrost heaters 38 and 42, the refrigerator room fan 41, the automatic ice maker 52, the water supply device 53, and the temperature sensors 56 and 57 are These are connected to the control circuit board 46 through lead wires. And in this case, among these electric components, for example, the lead wire 50 (see FIGS. 5 and 6) such as the cold room fan 41, its defrost heater 42, the water supply device 53, the temperature sensor 57 on the cold room 27 side, etc. A connector (not shown) connected to the lead wire 50 is collectively stored in the connector storage portion 47b while being stored together in the lead wire storage portion 47a of the storage portion 47.
[0023]
According to the above configuration, the following effects can be obtained.
Compared to the conventional example in which the control circuit board 6 is disposed on the upper back of the refrigerator body 1 by disposing the control circuit board 46 on the back of the vegetable compartment 28 in the middle of the refrigerator body 21 in the vertical direction. The length of the lead wire 50 connecting between the control circuit board 46 and the electric component disposed in the refrigerator main body 21 can be reduced as much as possible, and the cost can be reduced accordingly. In addition, the vegetable compartment 28 is generally a drawer type, and an extra space serving as a dead space is formed on the back of the drawer type vegetable compartment 28, and the control circuit board 46 is arranged using this extra space. By providing, the control circuit board 46 can be disposed without reducing the effective volume in the storage.
[0024]
In addition, since the lead wire 50 and the like are collectively stored in the storage portion 47 provided on the back of the vegetable compartment 28, the operation at the time of assembling is performed as compared with the case where the storage portion is provided in a plurality of locations. And the workability at the time of replacement and inspection of electrical parts can be improved. Further, by providing the storage portion 47 on the back of the vegetable compartment 26, the spare space on the back of the vegetable compartment 28 can be used more effectively.
[0025]
Further, while the refrigeration room cooler 40 is disposed on the back of the vegetable room 28, the refrigeration room cooler 40 is disposed close to one side, and the refrigerating room cooler 40 is By providing the control circuit board 46 and the storage part 47 on the opposite side part, it is possible to more effectively utilize the extra space behind the vegetable compartment 28.
[0026]
Moreover, since the accommodating part 47 is partitioned off in the vegetable room 28 with comparatively high temperature, and the refrigerator 40 for refrigerator compartments by the rear wall 22a and the heat insulating material 44 of the heat insulation box 22, it is at the time of defrosting. It is difficult to be affected by temperature change, and it is possible to prevent condensation from occurring in the connector housed in the housing portion 47 as much as possible.
[0027]
Incidentally, in the prior art, since the connector stored in the second storage portion 7b provided on the inner box reinforcing plate 11 is likely to cause condensation, the second storage portion 7b is integrated from the viewpoint of electrical fire safety. As a material for the inner box reinforcing plate 11 formed in the above, it was necessary to use a flame-retardant ABS resin.
[0028]
In this respect, in the present embodiment, it is possible to prevent the occurrence of condensation on the connector accommodated in the accommodating portion 47 as much as possible. Therefore, the material of the inner box reinforcing plate 48 that integrally forms the accommodating portion 47 is flame retardant. Therefore, it is possible to use an inexpensive material. Further, by providing the storage portion 47 integrally with the inner box reinforcing plate 48, the number of parts can be reduced as compared with the case where the storage portion 47 is provided separately.
[0029]
【The invention's effect】
As is clear from the above, according to the present invention, the control circuit board is disposed on the back of the refrigerator main body by arranging the control circuit board on the back of the vegetable compartment in the middle of the refrigerator main body in the vertical direction. Compared with the case where it is arranged on the top, the length of the lead wire connecting the control circuit board and the electric parts arranged on the refrigerator body can be shortened as much as possible, and the cost is reduced accordingly. become able to. In addition, a margin space that becomes a dead space is formed at the back of the vegetable room, and by using this margin space, a control circuit board is arranged to control without reducing the effective volume in the cabinet. A circuit board can be provided. In this case, the control circuit board is disposed on the outside of the back of the vegetable room, and the lead wire that connects the control circuit board and the electrical components on the inside of the back of the vegetable room facing the control circuit board. Because the storage unit that stores etc. is stored together, the storage unit was divided and provided in multiple places by taking the offensive to store the lead wires etc. in the storage unit provided at the back of the vegetable room Compared to the case, the workability at the time of assembling can be improved, and the workability at the time of replacement and inspection of electric parts can also be improved. Further, by providing the storage part on the back part of the vegetable part, the spare space in the back part of the vegetable room can be used more effectively, and the storage part can be provided integrally with the inner box reinforcement plate for reinforcing the inner box. The number of parts can be reduced compared with the case where it is provided separately.
[Brief description of the drawings]
1 shows an embodiment of the present invention, and is a longitudinal side view of a portion corresponding to line X1-X1 in FIG. 4. FIG. 2 is a longitudinal side view of a portion corresponding to line X2-X2 in FIG. Fig. 3 is a cross-sectional plan view taken along line X3-X3 in Fig. 4. Fig. 4 is a front view with the door removed. Fig. 5 is a view of the main part with the cooler cover removed. FIG. 6 is a perspective view of a main part in a state where a cooler cover is mounted. FIG. 7 is a view corresponding to FIG. 4 showing a conventional example. FIG. 8 is a longitudinal section at a portion corresponding to line X4-X4 in FIG. FIG. 9 is a perspective view showing the first storage portion. FIG. 10 is a front view showing the second storage portion. FIG. 11 is a perspective view showing the third storage portion.
In the drawings, 21 is a refrigerator body, 28 is a vegetable room, 40 is a refrigerator for a refrigerator compartment (cooler), 41 is a fan for refrigerator compartment (electric parts), 42 is a defrosting heater (electric parts), and 46 is a control circuit. A substrate, 47 is a storage section, 48 is an inner box reinforcing plate, 49 is a lid, 50 is a lead wire, 53 is a water supply device (electrical component), and 56 and 57 are temperature sensors (electrical components).

Claims (2)

In a refrigerator provided with a vegetable compartment in the middle of the refrigerator main body in the vertical direction, a control circuit board to which electrical components arranged in the refrigerator main body are connected via lead wires is placed outside the back of the vegetable compartment. An inner box for reinforcing an inner box is disposed inside the vegetable compartment at the back of the vegetable room facing the control circuit board, and stores a lead wire for connecting the control circuit board and electrical components together . A refrigerator provided integrally with a reinforcing plate . A cooler is arranged near one side on the inside of the back of the vegetable room, and the control circuit board is arranged on the outside of the side of the vegetable room on the side opposite to the cooler. 2. The refrigerator according to claim 1, wherein the storage portion is integrally provided on an inner box reinforcing plate for reinforcing the inner box inside the cabinet facing the control circuit board.

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