WO2018011992A1 - Refrigerator - Google Patents

Abstract

This refrigerator is provided with a box in which a space serving as a storage chamber is formed, a door that opens or covers the storage chamber by opening and closing, and an illumination device that emits light to the interior of the storage chamber. When the door is opened, the illumination device can be turned off or turned on with a lower amount of emitted light than when the door is closed.

Description

refrigerator

This invention relates to a refrigerator. In particular, it relates to lighting in the storage room.

A conventional refrigerator has a storage room opened in front of the refrigerator main body filled with a heat insulating material between an inner box and an outer box, and a door for opening and closing the opening part of the storage room. For example, the storage chamber includes an upper container, a lower container, and an interior lamp that are housed so as to be pulled out in the front-rear direction. Some interior lamps in the storage room have functions such as irradiating stored food to maintain the freshness of vegetables and other fruits and vegetables and increase nutrients. And the refrigerator provided with the alerting | reporting means which alert | reports so that a user can use functions, such as the freshness maintenance of fruit and vegetables, and the increase in a nutrient, is proposed (for example, refer patent document 1). As a notification means, a light source of an interior lamp is used, and the light source is blinked.

JP 2010-156531 A

As described above, the notification means disclosed in Patent Document 1 has a light source arrangement that allows the user to directly view the light source when the door of the storage room is opened. For this reason, there is a problem that the user feels dazzling. Further, the light quantity of the interior lamp for the purpose of maintaining the freshness of the fruits and vegetables and increasing the nutrients is stronger than the light quantity required for the interior lamp intended to brighten the interior and make the stored food easier to see. For this reason, even if it arrange | positions in the position which cannot look at a light source directly, the light reflected on the storage case etc. may feel dazzling.

The present invention has been made to solve the above-described problems, and an object thereof is to provide a refrigerator having an interior lamp that does not make the user feel glare.

The refrigerator according to the present invention includes a box in which a space serving as a storage chamber is formed, a door that opens or closes the storage chamber by opening and closing, and a lighting device that emits light in the storage chamber. When is open, it is turned on or off with less light emission than when the door is closed.

The refrigerator according to the present invention further includes an interior light cover that covers the lighting device, and the interior light cover has a light irradiation window for the interior light cover that is partially opened and transmits light emitted from the illumination device. It is what you have.

According to the refrigerator of the present invention, when the door of the storage room is open, the light emission amount of the lighting device is reduced or turned off compared to when the door is closed, so that the user does not feel glare. Or glare can be reduced.

In addition, since the lighting device is covered with the interior light cover, it is possible to prevent the user from directly looking at the light emitting part of the lighting device, and the user does not feel glare or reduces glare. Can do.

It is a perspective view which shows the external appearance of the refrigerator 1 in Embodiment 1 of this invention. It is a figure explaining the structure inside the refrigerator 1 seen from the side surface side of the refrigerator 1 in Embodiment 1 of this invention. It is a figure explaining the structure inside the refrigerator 1 seen from the front side of the refrigerator 1 in Embodiment 1 of this invention. It is a figure which shows the outline of the internal structure of the vegetable compartment 14 in Embodiment 1 of this invention. It is a figure explaining the state where the vegetable compartment door 8 in Embodiment 1 of this invention is open. It is a figure explaining the vegetable cover 85 in the refrigerator 1 which concerns on Embodiment 1 of this invention. It is a figure explaining the structure inside the vegetable compartment 14 periphery seen from the front side of the refrigerator 1 in Embodiment 2 of this invention. It is a figure explaining the state where the vegetable compartment door 8 in Embodiment 2 of this invention is open. It is a figure explaining the structure around the interior lamp 86-1 in the vegetable compartment 14 in the refrigerator 1 which concerns on Embodiment 3 of this invention.

Hereinafter, the refrigerator according to the embodiment of the invention will be described with reference to the drawings. In the following drawings, the same reference numerals denote the same or corresponding parts, and are common to the whole text of the embodiments described below. And the form of the component represented by the whole specification is an illustration to the last, Comprising: It does not limit to the form described in the specification. In particular, the combination of the components is not limited to the combination in each embodiment, and the components described in the other embodiments can be applied to another embodiment. Further, in the following description, the upper side in the figure is described as “upper side” and the lower side is described as “lower side”. Furthermore, in order to facilitate understanding, terms representing directions (eg, “right”, “left”, “front”, “rear”, etc.) are used as appropriate. The terms do not limit the invention according to the present application. In addition, when the refrigerator is viewed from the front (front side), the vertical direction is the height direction, the horizontal direction is the width direction, and the front-rear direction is the front-rear direction (depth direction). In the drawings, the relationship between the sizes of the constituent members may be different from the actual one.

Embodiment 1 FIG.
FIG. 1 is a perspective view showing an appearance of refrigerator 1 in Embodiment 1 of the present invention. Moreover, FIG. 2 is a figure explaining the structure inside the refrigerator 1 seen from the side surface side of the refrigerator 1 in Embodiment 1 of this invention. FIG. 2 shows an internal configuration that can be seen when cut along a plane parallel to the side surface of the refrigerator 1 (cross section AA shown in FIG. 1). And FIG. 3 is a figure explaining the structure inside the refrigerator 1 seen from the front side of the refrigerator 1 in Embodiment 1 of this invention. In FIG. 3, it represents about the internal structure visible when it cut | disconnects in the plane parallel to the front of the refrigerator 1. FIG.

The refrigerator 1 according to the first embodiment stores a stored product such as food and is refrigerated (for example, 10 ° C. or lower) or frozen (for example, −12 ° C. or lower). As shown in FIG. 1, the refrigerator 1 in Embodiment 1 has the heat insulation box 2 which is a heat insulated box. The heat insulation box 2 of Embodiment 1 has a steel outer box, a resin inner box, and a heat insulating material filled in a space between the outer box and the inner box. And as shown in FIG. 2, the heat insulation box 2 is opened in the front surface (front), and the space formed inside the inner box serves as a storage room for storing stored items such as food. In the refrigerator 1 according to the first embodiment, a space is partitioned by one or a plurality of partition members to form a plurality of storage rooms.

The uppermost storage room of the refrigerator 1 of the first embodiment is a refrigerator room 10. In addition, the storage room below the refrigerator compartment 10 is a switching room 12. Furthermore, the storage room adjacent to the switching room 12 and arranged in parallel becomes the ice making room 11. The storage room below the switching room 12 and the ice making room 11 is a freezing room 13. The storage room at the lowermost part below the freezing room 13 is a vegetable room 14.

The door of each storage room covers the door so that it can be opened and closed. By opening and closing the door, the storage room is opened or shielded to a space outside the refrigerator 1. The refrigerating room left door 3 and the refrigerating room right door 4 are doors that cover the refrigerating room 10 and are constituted by two doors of a double door type. An operation panel 9 on which the user performs operations and the like is installed on the outer surface of the refrigerator compartment left door 3.

The ice making room door 5, the switching freezing room door 6, the freezing room door 7 and the vegetable room door 8 are drawer type doors covering the ice making room 11, the switching room 12, the freezing room 13 and the vegetable room 14, respectively. The drawer-type door is pulled out together with a storage case for storing stored items. The drawer-type door is moved in parallel with a rail (not shown) horizontally formed on the left and right inner wall surfaces of each storage chamber by a frame (not shown) fixed to the door. Along with a storage case for storing stored items, the refrigerator 1 is opened and closed in the depth direction (front-rear direction).

The refrigerator 1 has a compressor 20, a cooler 21, a cooling fan 22, a duct 30 and the like on the back side of the refrigerator 1 as a cooling mechanism for cooling each storage chamber. The refrigerant circuit is configured by connecting a compressor 20, a cooler 21, a condenser, a capillary tube, and the like. In FIG. 2, the compressor 20 and the cooler 21 are shown. The compressor 20 sucks the refrigerant, compresses it, and discharges it in a high temperature and high pressure state. The condenser causes the refrigerant to dissipate heat and condense. In addition, the capillary tube serving as the expansion device expands the refrigerant that passes therethrough by reducing the pressure. The cooler 21 exchanges heat between the refrigerant and air to evaporate the refrigerant. The air cooled by the cooler 21 is blown by the cooling fan 22 and supplied to the freezing room 13, the switching room 12, the ice making room 11, and the refrigerating room 10 through the duct 30 on the back surface of the refrigerator 1. And the return cold air from the refrigerator compartment 10 is supplied to the vegetable compartment 14 via the return air path (not shown) for refrigerator compartments. The air supplied to the vegetable compartment 14 is returned to the cooler 21 through the return duct 31.

Here, for example, isobutane (R600a) is used as the refrigerant used in the refrigeration cycle apparatus. Although other refrigerants may be used, isobutane has advantages such as not destroying the ozone layer when discarded and having a low global warming potential.

In addition, the refrigerator 1 has a control device 40. The control device 40 is a device that performs management, control, and the like of equipment in the refrigerator 1. For example, a damper (not shown) installed in the duct 30 so that the temperature of each storage room becomes a set temperature based on a temperature detected by a thermistor (not shown) installed in each storage room. , The number of rotations of the compressor 20, the amount of air blown by the cooling fan 22, and the like are controlled. Here, as described later, the operation related to opening and closing of the vegetable compartment door 8 in the vegetable compartment 14 is controlled.

The refrigerating room 10 accommodates the inside shelf 50, the pocket 60 installed on the back side of the refrigerating room left door 3 and the refrigerating room right door 4, and the like, and cools the stored items placed on the inside shelf 50. . The ice making room 11 has an ice making room storage container 71, which freezes water to make ice and stores it. The switching chamber 12 has a switching chamber storage container 72, and the room temperature is, for example, a refrigeration temperature zone of about −18 ° C., a refrigeration temperature zone of about 3 ° C., a chilled temperature zone of about 0 ° C., and about −7 ° C. It is a storage room that can be switched to various temperature zones such as the soft freezing temperature zone. The freezer compartment 13 has a freezer compartment upper storage container 73-1 and a freezer compartment lower storage container 73-2, and freezes stored items.

FIG. 4 is a diagram showing an outline of the internal configuration of the vegetable compartment 14 in Embodiment 1 of the present invention. The vegetable compartment 14 is a space for storing fruits and vegetables such as vegetables as stored items. The vegetable compartment door 8 is a door that covers the opening of the vegetable compartment 14. In the space of the vegetable compartment 14 in Embodiment 1, a vegetable compartment upper storage container 74-1, a vegetable compartment lower storage container 74-2, a vegetable compartment partition 84 and a vegetable cover 85 are accommodated. The vegetable room upper storage container 74-1 and the vegetable room lower storage container 74-2 are containers for storing vegetables and the like. The vegetable compartment upper storage container 74-1 and the vegetable compartment lower storage container 74-2 move in conjunction with the opening and closing of the vegetable compartment door 8, and are pulled out when the vegetable compartment door 8 is opened. Here, the vegetable room lower storage container 74-2 has an opening hole 75 in the rear portion so as not to block light emitted (emitted) by the interior lamp 86-1 serving as the illumination device. Moreover, the vegetable compartment partition 84 is a substantially plate-shaped member. The vegetable compartment partition 84 is engaged with and fixed to the vegetable compartment lower storage container 74-2.

Also, a magnet 88 is installed on the top of the vegetable compartment door 8. At the position corresponding to the magnet 88 in front of the vegetable room ceiling 91, a reed switch 87 is provided that switches when the magnet 88 approaches or separates.

The vegetable cover 85 is a cover that is attached to the lower storage container 74-2 of the vegetable room and protects the cold air sent to the vegetable room from directly hitting the vegetables stored in the lower storage container 74-2 of the vegetable room. is there. The vegetable cover 85 of the first embodiment will be further described later. Here, in the refrigerator 1 of Embodiment 1, although it has the vegetable cover 85, it is not an essential structure.

The interior light 86-1 is a lighting device installed on the rear side of the vegetable compartment 14 behind the vegetable cover 85. The interior lamp 86-1 emits light from the rear side toward the front side and irradiates the vegetable compartment 14 with light. Irradiation with the interior lamp 86-1 of Embodiment 1 not only illuminates the interior, but also irradiates vegetables and other fruits and vegetables stored in the vegetable compartment 14, thereby maintaining the freshness of the fruits and vegetables and vitamins. It has functions such as increasing nutrients. For this reason, the interior lamp 86-1 emits light even when the vegetable compartment door 8 is closed. Therefore, the interior lamp 86-1 can irradiate light within the irradiation range 86-2 with the vegetable compartment door 8 closed.

FIG. 5 is a diagram for explaining a state in which the vegetable compartment door 8 in the first embodiment of the present invention is open. When the vegetable compartment door 8 is open, the irradiation range 86-2 of the interior lamp 86-1 is as shown in FIG. For example, the user opens the vegetable compartment door 8 and tries to take out the vegetables. The interior lamp 86-1 is arranged so that light does not directly enter the line of sight 90 of the user when trying to take out the vegetables.

Next, operations such as lighting of the interior lamp 86-1 will be described. When the vegetable compartment door 8 is closed and the reed switch 87 and the magnet 88 are close to each other, the control device 40 lights the interior lamp 86-1. By making the interior light 86-1 emit light, it is possible to maintain the freshness of fruits and vegetables such as vegetables stored in the vegetable compartment 14 and increase nutrients.

Further, when the vegetable compartment door 8 is opened and the reed switch 87 and the magnet 88 are separated from each other, the control device 40 reduces or turns off the interior light 86-1. In the first embodiment, vegetables and the like can be illuminated, and light is reduced to a preset light amount so that the user does not feel glare or can reduce glare. .

FIG. 6 is a diagram illustrating the vegetable cover 85 in the refrigerator 1 according to Embodiment 1 of the present invention. The vegetable cover 85 of Embodiment 1 has a container cover light irradiation window 94. The container cover light irradiating window 94 is formed on a part of the vegetable cover 85 so that the light from the interior lamp 86-1 is not dimmed and is transmitted into the lower storage container 74-2 of the vegetable room. It is a formed hole. As shown in FIG. 6, the container cover light irradiation window 94 has such a shape that the upper edge end portion 95 is located on the front side of the lower edge end portion 96 in the front-rear direction. Specifically, when the refrigerator 1 is viewed from the side, the line connecting the upper edge 95 and the lower edge 96 intersects the vertical line passing through the lower edge 96. The possible angle is 15 ° or more. For this reason, for example, even when a 150 cm user pulls out the vegetable compartment door 8 from the closed state by 400 mm, the container cover light irradiation window 94 is hidden by the portion including the upper edge portion 95 of the vegetable cover 85, The user cannot see the container cover light irradiation window 94. For this reason, the appearance in the vegetable compartment 14 can be improved.

As described above, in the refrigerator 1 according to the first embodiment, when the vegetable compartment door 8 is open, the amount of light emitted from the interior lamp 86-1 is reduced compared to when the vegetable compartment door 8 is closed. Since it is turned on or off, it is possible to make the user not feel or reduce glare. When the light emitted from the interior lamp 86-1 has functions such as maintaining the freshness of fruits and vegetables and increasing nutrients such as vitamins, the amount of light emitted when the vegetable compartment door 8 is closed is large. It is effective. Since the interior lamp 86-1 emits light from the rear side toward the front side, illumination when the vegetable compartment door 8 is opened can be performed efficiently.

In addition, since the vegetable room lower storage container 74-2 has the opening hole 75, the vegetable room lower storage container 74-2 does not block the light irradiated by the interior lamp 86-1 serving as a lighting device, and can be used for vegetables and other fruits and vegetables stored in the container. Can be irradiated. When the vegetable cover 85 is attached to the lower storage container 74-2 in the vegetable room, the position of the upper edge 95 in the front-rear direction of the container cover light irradiation window 94 of the vegetable cover 85 is the lower edge. By making the shape located on the front side 15 ° or more than the part 96, when the vegetable compartment door 8 is opened, it is possible to prevent the container cover light irradiation window 94 from being seen by the user. , Can look good.

Embodiment 2. FIG.
FIG. 7 is a diagram illustrating an internal configuration around the vegetable compartment 14 as viewed from the front side of the refrigerator 1 according to Embodiment 2 of the present invention. In the refrigerator 1 of the second embodiment, the illuminance sensor 89 is installed in the vegetable room ceiling 91 portion. The illuminance sensor 89 detects the illuminance at the installed position. When the vegetable compartment door 8 is closed, the vegetable compartment door 8 is installed at a position that is a shadow of the vegetable compartment door 8. The control device 40 determines the open / close state of the vegetable compartment door 8 based on the illuminance associated with detection by the illuminance sensor 89.

FIG. 8 is a diagram illustrating a state in which the vegetable compartment door 8 in the second embodiment of the present invention is open. Next, operations such as lighting of the interior lamp 86-1 will be described. When the controller 40 determines that the illuminance detected by the illuminance sensor 89 is lower than a predetermined threshold when the vegetable compartment door 8 is closed, the interior lamp 86-1 is turned on. By turning on the interior lamp 86-1, it is possible to maintain the freshness of fruits and vegetables such as vegetables stored in the vegetable compartment 14 and increase nutrients.

Further, when the control device 40 determines that the illuminance detected by the illuminance sensor 89 is higher than a predetermined threshold when the vegetable compartment door 8 is opened, the inside lamp 86-1 is turned off. In the second embodiment, the control device 40 can illuminate fruits and vegetables such as vegetables based on the illuminance detected by the illuminance sensor 89, and the user does not feel glare or the glare is reduced. As described above, the light emission amount of the interior lamp 86-1 is adjusted.

As described above, according to the refrigerator 1 of the second embodiment, the illuminance sensor 89 is provided, and the control device 40 opens and closes the vegetable compartment door 8 and the interior lamp based on the illuminance related to detection by the illuminance sensor 89. Since the light emission amount 86-1 is adjusted, the user does not feel or reduce glare.

Embodiment 3 FIG.
FIG. 9 is a view for explaining the configuration around the interior lamp 86-1 in the vegetable compartment 14 in the refrigerator 1 according to Embodiment 3 of the present invention. In the third embodiment, as shown in FIG. 9, an interior lamp cover 92 that covers the interior lamp 86-1 is provided. The interior lamp cover 92 is made of an opaque material so that the light of the interior lamp 86-1 is not directly incident on the user by dimming or blocking the light of the interior lamp 86-1. .

The interior light cover 92 has an interior light cover light irradiation window 93. A light irradiation window 93 for the interior lamp cover is formed in a part of the interior lamp cover 92 so that the light from the interior lamp 86-1 is guided to the vegetable compartment 14 without being dimmed. It is a hole. Here, the hole of the interior light cover light irradiation window 93 may be closed with a transparent resin material or the like. By adjusting the size of the light irradiation window 93 for the interior lamp cover, the light irradiation range 86-2 by the interior lamp 86-1 can be adjusted. Here, the interior light 86-1 and the interior light cover light irradiation window 93 are arranged so that the direction of light passing through the interior light cover light irradiation window 93 is not the same as the direction of the user's line of sight. Adjust the positional relationship with. For example, the light that has passed through the interior light cover light irradiation window 93 is irradiated obliquely downward toward the front side of the refrigerator 1, and the interior light 86-1 and the interior light cover light irradiation window 93. The positional relationship is preferable.

As described above, according to the refrigerator 1 of the third embodiment, the interior light cover 92 is installed, the size of the opening portion of the interior light cover light irradiation window 93 included in the interior light cover 92, the interior By adjusting the positional relationship with the lamp 86-1, the light irradiation range 86-2 by the internal lamp 86-1 can be arbitrarily set. For this reason, glare caused by the interior light can be reduced without the user looking directly at the interior light 86-1.

Embodiment 4 FIG.
In the first to third embodiments described above, the interior lamp 86-1 of the vegetable room 14 in which fruits and vegetables are often stored has been described. However, the storage room to which the above description is applied is a vegetable room. The present invention is not limited to 14, but can be applied to other storage rooms.

Also, it can be applied to light other than light having functions such as maintaining the freshness of fruits and vegetables and increasing nutrients such as vitamins.

1 Refrigerator, 2 Heat insulation box, 3 Refrigeration room left door, 4 Refrigeration room right door, 5 Ice making room door, 6 Switching freezing room door, 7 Freezing room door, 8 Vegetable room door, 9 Operation panel, 10 Cold room, 11 Ice making room, 12 switching room, 13 freezing room, 14 vegetable room, 20 compressor, 21 cooler, 22 cooling fan, 30 duct, 31 return duct, 40 control device, 50 shelf, 60 pocket, 71 ice making room Storage container, 72 Switching chamber storage container, 73-1 Freezer compartment upper storage container, 73-2 Freezer compartment lower storage container, 74-1 Vegetable room upper storage container, 74-2 Vegetable room lower storage container, 75 Open hole, 84 Vegetable room partition, 85 vegetable cover, 86-1 interior light, 86-2 irradiation range, 87 reed switch, 88 magnet, 89 illuminance sensor, 90 line of sight, 91 vegetable room ceiling, 2-compartment lamp cover, 93-compartment lamp cover light irradiation window, 94 container cover light irradiation window, 95 upper edge 96 lower edge.

Claims (7)

A box body in which a space serving as a storage room is formed;
A door for opening or closing the storage chamber by opening and closing;
A lighting device for emitting light in the storage chamber,
The illuminator is a refrigerator that turns on or off when the door is open with less light emission than when the door is closed. The lighting device includes:
The refrigerator according to claim 1 which emits light having at least one of functions of maintaining freshness and increasing nutrients of stored items stored in the storage chamber. It further includes an illuminance sensor that detects the illuminance at the installed position,
The refrigerator according to claim 1 or 2, wherein the light emission amount of the lighting device is adjusted based on the illuminance detected by the illuminance sensor. A storage container that is installed in the storage chamber and stores stored items;
The refrigerator according to any one of claims 1 to 3, wherein the storage container has an opening hole through which light emitted from the lighting device is transmitted to the inside of the storage container. A container cover installed corresponding to the rear wall of the storage container;
The container cover has a light irradiation window for a container cover that is partially opened and transmits light emitted from the lighting device,
5. The refrigerator according to claim 4, wherein the container cover light irradiation window has a shape in which the position of the upper edge end portion in the front-rear direction is located on the front side by 15 ° or more from the lower edge end portion. The refrigerator according to any one of claims 1 to 5, wherein the lighting device emits light from a rear surface side to a front surface side of the storage room. Further comprising an interior light cover that covers the lighting device,
The refrigerator according to any one of claims 1 to 6, wherein the interior light cover has a light irradiation window for interior light cover that is partially opened and transmits light emitted from the lighting device.

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