TWI753074B - refrigerator - Google Patents

Abstract

The refrigerator includes a refrigerator body and a door that opens and closes a refrigerator compartment in the refrigerator body. An illuminance sensor is provided on the door. The illuminance sensor has a light sensor, and the light sensor is provided inside the door toward the lower end surface of the door. A light guide member is provided inside the door, and the light guide member guides light from the outside into a photo sensor. The front-end|tip part of a light guide member is arrange|positioned at the lower part of a door, and is comprised so that light may be introduced from the front.

Description

refrigerator

FIELD OF THE INVENTION The present disclosure relates to a refrigerator.

BACKGROUND OF THE INVENTION In general, refrigerators account for a relatively high proportion of the electricity used in households. Therefore, in order to suppress the power usage of the refrigerator as much as possible, a refrigerator that performs power-saving operation using an illuminance sensor has been proposed (for example, refer to Patent Document 1).

FIG. 21 shows a part of the door of the conventional refrigerator disclosed in Patent Document 1. As shown in FIG. In the conventional refrigerator described in Patent Document 1, the illuminance sensor 531 is provided on the lower end surface of the side-by-side door 510 which opens and closes the refrigerator compartment. An inclined surface 512b that reflects light from the outside toward the illuminance sensor 531 is formed on the upper end surface of the other door 512 facing the lower end surface of the split door 510 provided with the illuminance sensor 531 .

With this configuration, the illuminance sensor 531 can efficiently detect the light in the room, and its sensitivity is improved, so that reliable and efficient illuminance detection is possible. Thereby, the power saving effect can be improved.

However, according to the configuration of Patent Document 1, there is a problem in that the upper end surface of the other door 512 below the split door 510 provided with the illuminance sensor must be formed to reflect the light from the outside toward the illuminance sensor 531 The inclined surface 512b is subject to design constraints. Moreover, there exists a problem that a handle part cannot be provided in the part provided with the inclined surface 512b.

Moreover, generally, a refrigerator is formed so that a user can change a preset temperature. Among such refrigerators, there is a refrigerator provided with an operation display device on the front side of the door. In operation and display devices of such refrigerators, switches of the electrostatic capacity detection type are often used, and various types of operation and display devices of the electrostatic capacity detection type have been proposed (for example, refer to Patent Document 2).

Fig. 22 is a cross-sectional view of a portion where an illuminance sensor is installed in a conventional refrigerator. 23 is an exploded perspective view showing an illuminance sensor in a conventional refrigerator. As shown in FIG. 22, the operation display apparatus of the conventional refrigerator is comprised so that the electrostatic capacitance detection electrode 102 may be located in the back surface of the glass plate 101 which becomes the front panel of a door.

According to the conventional structure as shown in FIG. 22, as long as the user touches the electrostatic capacitance detection electrode 102 from the surface side of the glass plate 101, the electrostatic capacitance detection electrode 102 detects the change in electrostatic capacitance, so that the set temperature in the refrigerator can be changed, for example. , and the content of the change is notified to the user by the light emission of the LED light-emitting body 103 (refer to FIG. 23 ).

As shown in FIG. 23 , an operation display device using such capacitance detection electrodes 102 is configured such that the capacitance detection electrodes 102 are arranged on a flexible substrate 104, and the flexible substrate 104 is connected to an LED provided with LEDs to emit light. The substrate 105 of the body 103 and the like. When connecting the flexible substrate 104 to the substrate 105 , the flexible substrate 104 is formed to be connected to the substrate 105 with its lead portion 106 extending as it is, and the lead portion 106 of the flexible substrate 104 cannot be stretched. Therefore, there is a problem that, if the lead portion 106 has a dimensional deviation or the like and the accuracy is poor, the connection to the other substrates 105 is difficult, and the workability is poor. prior art literature

Patent Documents Patent Document 1: Japanese Patent Laid-Open No. 2014-74558 Patent Document 2: Japanese Patent Laid-Open No. 2014-44015

SUMMARY OF THE INVENTION The present disclosure is an invention made in view of the above-mentioned problems, and provides a refrigerator capable of performing illumination detection and improving the power saving effect without being restricted by design.

Specifically, a refrigerator according to an example of the present disclosure includes: a refrigerator body; a plurality of storage compartments provided in the refrigerator body; and a plurality of doors that open and close openings of the plurality of storage compartments. At least one of the plurality of doors is provided with an illuminance sensor. The illuminance sensor includes a photo sensor provided toward the lower end surface of the door where the illuminance sensor is provided, and a light guide member that guides light from the outside to the photo sensor. The front end portion of the light guide member is arranged at the lower part of the door in which the illuminance sensor is provided, so that light can be introduced from the front.

With this configuration, it becomes unnecessary to provide the inclined portion on the upper part of the other door located below the door provided with the illuminance sensor, and there is no possibility of restricting the position of the door provided with the illuminance sensor. The design of the upper part of the other door below and the like. Moreover, a handle part can also be provided in the upper part of the other door located below the door in which the illuminance sensor was provided. Also, the illuminance sensor can be located in the deep portion inside the door from the lower end face of the door where the illuminance sensor is provided, corresponding to the portion where the light guide member is provided. According to this, with such a structure, it becomes impossible to intrude into the inside of an illuminance sensor, such as water adhering to a door surface etc., and it becomes possible to maintain high reliability.

Moreover, in the refrigerator according to an example of the present disclosure, the light guide member may be configured to be able to guide light from the front of the door and also from below the door. With such a configuration, light can be guided from a wider range, and the illuminance detection accuracy can be improved.

Moreover, in the refrigerator according to an example of the present disclosure, the light guide member may be provided so that the front end thereof faces forward and downward from the frame portion of the door. With such a configuration, the light guide member can be formed inconspicuously, light can be guided from a wide range, illuminance detection can be improved, and high designability can be maintained.

In addition, in the refrigerator according to an example of the present disclosure, the door frame may be configured such that a through hole is provided at an appropriate lower portion of the door frame so that the front end portion of the light guide member faces, and the front end face of the front end portion is the same as the end face of the door frame. face state. With such a configuration, the light guide member can be provided in the lower part of the door without making it conspicuous.

Moreover, in the refrigerator according to an example of the present disclosure, the light guide member may be formed in a substantially L-shape. Also, the light guide member may have its front end facing forward from the door frame portion, and the other end may be upwardly arranged so that its end surface faces the illuminance sensor, that is, the end surfaces may be horizontally arranged to face each other. on the illuminance sensor. With such a configuration, it is possible to surely prevent the intrusion of water or the like adhering to the door surface to the illuminance sensor portion along the light guide member, and to achieve higher reliability.

Moreover, in the refrigerator according to an example of the present disclosure, a corner portion of the light guide member bent into a substantially L-shape may be provided with a chamfered portion. With this configuration, the light introduced from the front end of the light guide member can be efficiently directed toward the illuminance sensor by the chamfered portion, and the illuminance detection performance can be improved.

In addition, in the refrigerator according to an example of the present disclosure, the door provided with the illuminance sensor may also have a unit frame and a sensor substrate. Moreover, in the refrigerator according to an example of the present disclosure, the light guide member and the sensor substrate may be held in the unit frame and provided at the lower part of the door. With this configuration, since the illuminance sensor and the light guide member are incorporated into one member such as the unit frame, the accuracy of the mutual positional relationship between the illuminance sensor and the light guide member can be improved, and further. to improve the illumination detection performance.

Furthermore, the present disclosure provides a refrigerator which improves the workability of the connection of the lead portion of the operation display device provided on the door of the refrigerator.

Specifically, a refrigerator according to an example of the present disclosure includes a storage compartment, a door provided in the storage compartment, a door front surface member constituting a front surface of the door, and an operation display device provided on the inner surface of the door front surface member. The operation display device includes a substrate on which a plurality of LEDs are mounted, and a holder substrate which covers the substrate from the front and has an opening through which light from the LEDs can be irradiated forward. The operation display device further includes: a thin film substrate, which is light-transmitting, is disposed on the front surface of the support substrate, and is disposed with electrodes and wiring patterns for detecting changes in electrostatic capacitance; and a thin film member, which is provided with display characters and is transparent It is light and is arranged on the front surface of the film substrate to be irradiated by a plurality of LEDs. The lead portion extending from the film substrate is folded so as to straddle the holder substrate, and is configured to be connected to the substrate on the back side of the holder substrate.

With this configuration, even if the lead portion of the film substrate cannot be stretched, the lead portion can be folded and connected to the substrate on the back side of the holder substrate. Therefore, even if there is a slight dimensional deviation with the substrate located on the back side of the holder substrate, the deviation can be absorbed by increasing or decreasing the folded curvature of the lead portion. Therefore, with such a configuration, the connection operation of the lead portion can be facilitated and the workability can be greatly improved.

Furthermore, in the refrigerator according to an example of the present disclosure, the holder substrate may be provided with a protruding portion that protrudes to the outside of the folded portion of the lead portion. With this configuration, when the operation display device is inserted into the door, the protruding portion of the holder substrate is in the form of a lead portion of the protective film substrate, and it becomes unnecessary to pay attention to the installation and insertion of the door, so that the workability can be further improved, and Damage and the like of the lead portion can also be suppressed, and the reliability can be improved.

In addition, in the refrigerator according to an example of the present disclosure, the protruding portion of the holder substrate may be provided with a pressing portion for pressing the film substrate through the film member when the operation display device is housed in the door. on the front surface of the door. With such a configuration, the operation display device can be reliably pressed against the door front surface member of the door, thereby improving the detection accuracy of the electrostatic capacitance during touch operation and improving the operation quality.

In addition, in the refrigerator according to an example of the present disclosure, the holder substrate may be provided with pressing portions at the upper end edge and the lower end edge thereof, and the pressing portions press the film substrate to the front surface of the door through the film member. member. With such a configuration, the operation display device can be reliably pressed against the door front surface member of the door, thereby improving the detection accuracy of the electrostatic capacitance during touch operation and improving the operation quality.

Furthermore, in the refrigerator according to an example of the present disclosure, a protrusion may be provided on at least one of the upper end edge portion and the lower end edge portion of the holder substrate. With such a configuration, the sliding resistance at the time of attaching and inserting the operation display device to the door can be reduced, and the workability can be improved.

Moreover, in the refrigerator according to an example of the present disclosure, the holder base plate may be provided with a detachment preventing portion from the door on the edge portion on the opposite side to the protruding portion. With this configuration, it is possible to prevent the operation display unit from being accidentally detached from the door, thereby improving reliability.

In addition, in the refrigerator according to an example of the present disclosure, the substrate to which the lead portion of the film substrate is connected may have a power supply connector on the portion opposite to the portion where the lead portion is connected. Moreover, a notch part may be provided in the part of the holder board|substrate which opposes the connector for power supplies. With such a configuration, the power cord can be connected to the power connector by the insertion port portion of the door, and workability can be improved.

Modes for Carrying Out the Invention Hereinafter, embodiments of the present disclosure will be described with reference to the drawings. In addition, in the following embodiment, although the refrigerator which improved the designability using the transparent plate, such as a glass plate, was demonstrated as an example, this indication is not limited to this. (form of implementation)

1-3 is a figure for demonstrating the whole structure of the refrigerator based on an example of embodiment of this disclosure. 4-7 is a figure which shows the door structure of the refrigerator based on an example of embodiment of this disclosure. 8 to 10 are diagrams showing an illuminance sensor provided on a door of a refrigerator according to an example of an embodiment of the present disclosure. 11-20 is a figure which shows the operation display part provided in the door of the refrigerator based on an example of embodiment of this disclosure. (1-1. The overall structure of the refrigerator)

First, the overall structure of the refrigerator according to an example of the embodiment of the present disclosure will be described with reference to FIGS. 1 to 3 .

As shown in FIGS. 1 to 3 , a refrigerator 80 according to an example of the embodiment of the present disclosure has a refrigerator body 1 . The refrigerator body 1 is composed of an outer box 2, an inner box 3 and a foamed heat insulating material 4. The outer box 2 is made of metal (such as iron plate) and has an opening at the front, and the inner box 3 is made of hard resin (such as ABS). ), the foamed heat insulating material 4 is filled between the outer case 2 and the inner case 3 and is made of hard urethane (urethane) or the like that has been foamed.

As shown in FIG. 2, the refrigerator main body 1 divides the inside, and is formed with a plurality of storage compartments. From the upper part of the refrigerator body 1, the plurality of storage compartments include a refrigerating compartment 5, a switching compartment 6, an ice making compartment 77, a freezing compartment 8, and a vegetable compartment 9. The switching compartment 6 is located below the refrigerating compartment 5, and the ice making compartment 6 is located below the refrigerating compartment 5. The chambers 77 are arranged side by side in the switching chamber 6 , the freezing chamber 8 is located below the switching chamber 6 and the ice making chamber 77 , and the vegetable chamber 9 is located below the freezing chamber 8 .

Moreover, the some store room is comprised so that each front surface may be opened and closed by a door. That is, the front surface of the refrigerator compartment 5 is openably and closably closed by the half-opening doors 10 and 10 (hereinafter referred to as the half-opening door 10). On the front surfaces of the switching compartment 6, the ice making compartment 77, the freezing compartment 8, and the vegetable compartment 9, there are drawer-type doors 11, 12, 13, 14 (hereinafter referred to as drawer-type doors 11, 12, 13, 14) And the opening and closing are blocked freely.

Moreover, the cooling chamber 16 is provided in the back side of the refrigerator main body 1. As shown in FIG. The cooling chamber 16 is provided with a cooler 17 that generates cool air, and a blower fan 18 that supplies cool air to each storage chamber. Moreover, the compressor 819 is provided in the rear part of the top surface of the refrigerator main body 1. As shown in FIG. In the compressor 819, a condenser (not shown), a heat dissipation pipe 820 for heat dissipation, a capillary tube 21, and a cooler 17 are connected in this order in a ring shape to constitute a refrigeration cycle. The refrigerator 80 is configured to carry out a cooling operation by enclosing a refrigerant in this refrigeration cycle.

Moreover, similarly to the refrigerator main body 1, each door 10-14 is comprised so that the foaming heat insulating material, such as rigid urethane, may be filled with foaming, and it has heat insulating property. Moreover, in each of the doors 10 to 14, in order to further improve the designability, the door front surface member is constituted by a transparent plate such as a glass plate.

Hereinafter, the configuration of the doors 10 to 14 will be described with reference to FIGS. 4 to 7 , taking the split door 10 as an example. In addition, the doors 11 to 14 other than the half-opening door 10 are also configured in the same manner.

As shown in FIGS. 4 to 7 , the split door 10 has an inner frame 22 located on the inner side, and the inner frame 22 is formed of, for example, ABS resin. A door frame 23 is fixed to the peripheral end surface of the inner frame 22 . The door frame 23 is formed of, for example, ABS resin. The door front surface member 24 is laminated on the door frame 23 so as to cover the inner frame 22 . In the present embodiment, the door front surface member is formed of a transparent plate such as a glossy tempered glass plate (hereinafter, the door front surface member 24 is referred to as a glass plate 24).

As shown in FIG. 7 , a resin film 26 is attached to the inner surface of the glass plate 24 through an adhesive 25 . A colored layer 27 is formed on the resin film 26, and the colored layer 27 is composed of a pattern, such as a metallic tone pattern such as hairline, for example. Thereby, the glass plate 24 becomes like the glass plate with which the colored layer was attached.

In the present embodiment, polyethylene terephthalate having high transparency and high mechanical strength is used for the resin film 26 . The colored layer 27 is formed on the surface opposite to the glass plate 24 when the color is white, and is formed on the glass plate 24 side when the color is gray. FIG. 7 shows the case where the colored layer 27 is formed on the surface opposite to the glass plate 24 .

As shown in FIG. 7 , the space between the surface of the glass plate 24 on the resin film 26 side, the inner frame 22 , and the door frame 23 is filled with a foamed heat insulating material 28 foamed with rigid urethane or the like. The foamed heat insulating material 28 is bonded to the inner frame 22 , the door frame 23 , and the resin film 26 on the inner surface of the glass plate 24 by foaming, and the glass plate 24 is adhered and held via the resin film 26 . The outer peripheral edge part of the glass plate 24 is exposed as it is. The glass plate 24 is comprised so that the outer peripheral part may be located slightly inside rather than the edge of the door frame 23, in this embodiment, it is located about 2 mm inside.

Moreover, as shown in FIGS. 3 and 6 , the side of the door frame 23 that forms the lower side of the side-by-side door 10 is formed with an upward recessed portion to form the handle portion 10a. The split door 10 has a hinge 15 (refer to FIG. 1 ) that pivotally supports the split door 10 so as to be freely openable and closable. A handle portion 10 a is formed on the free end side of the hinge 15 . In addition, the drawer-type doors 11 and 12 directly below the split-type door 10 and the drawer-type doors 13 and 14 of the freezer compartment 8 and the vegetable compartment 9 further below are formed on the upper end surfaces of the door frames 23 downward. Handle portions 11a, 12a, 13a, and 14a are provided in the recesses. The door frame 23 in which the handle portions 10a, 11a, 12a, 13a, and 14a are formed, as described above, when the colored glass plate insertion portion is not provided, the handle portions 10a to 14a are respectively recessed in the door end face, so that the door group The surfaces of (doors 10 to 14 ) are formed as flat surfaces with a sense of plane.

Moreover, as shown in FIGS. 1 and 4 , the side door 10 is provided with an illuminance sensor 30 and an operation display device 31 on one of the side doors 10 , and the illuminance sensor 30 detects the illuminance to save electricity. In operation, the operation display device 31 operates the operation of the refrigerator 80 and displays the operation state thereof. The configuration of the illuminance sensor 30 and the operation display device 31 will be described later. (1-2. Illumination sensor and its configuration)

First, the illuminance sensor 30 and its installation configuration will be described with reference to FIGS. 8 to 10 .

As shown in FIG. 6 , the illuminance sensor 30 is disposed on the lower door frame 23 of one of the two-way doors 10 . Moreover, the illuminance sensor 30 is accommodated in the unit frame 32 formed in the side of the handle part 10a of one of the two-way doors 10.

Specifically, the illuminance sensor 30 is constructed by incorporating the unit frame 33 into the unit frame 32 constituting the door frame 23 , and fixing the sensor substrate 34 to the unit frame 33 with screws 35 . Also, as shown in FIGS. 8 and 9 , in the illuminance sensor 30 , the light sensor 37 is mounted on the sensor substrate 34 downward through a spacer 36 . A light guide member 38 formed of a substantially L-shaped translucent resin molded product is provided below the light sensor 37 so as to face the light sensor 37 .

The light guide member 38 is provided to be held by the unit frame 33 together with the sensor substrate 34 . As described above, the upper end of the light guide member 38 faces the light sensor 37 , and the front end portion 40 on the opposite side is inserted into the through hole portion (through hole) 39 provided in the unit frame 33 . As shown in FIG. 8 , the distal end portion 40 is disposed through the through hole portion 39 . As shown in FIG. 10 , a cutout portion 23 a is formed in the door frame 23 facing the through hole portion 39 . The front-end|tip part 40 is arrange|positioned so that it may face the door front surface and the downward direction from the notch part 23a.

Moreover, as shown in FIG. 8, the light guide member 38 is arrange|positioned so that the front-end surface of the front-end|tip part 40 and the front surface of the door frame 23 may become substantially the same surface. Moreover, the front-end|tip part 40 is formed with the inclined surface which is inclined toward the front and the downward direction of the half-part door 10. As shown in FIG.

Moreover, as shown in FIG. 8, the front-end|tip part 40 has the substantially arc-shaped shape which expands to the outer side. In addition, the light guide member 38 is provided with a chamfered portion 41 at a corner portion bent in a substantially L-shape. The light guide member 38 is configured to efficiently bend the light introduced from the distal end portion 40 toward the photo sensor 37 by the chamfered portion 41 . (1-3. Operation display structure)

Next, the configuration of the operation display device 31 provided on the door of the refrigerator 80 will be described with reference to FIGS. 11 to 20 .

In the present embodiment, the operation display device 31 is provided on one of the two-part doors 10 among the plurality of film doors 10 to 14 , that is, the two-part door 10 on the side where the illuminance sensor 30 is installed. In addition, in the present embodiment, the operation display device 31 is a device of a type that is operated by detecting a change in electrostatic capacitance.

As shown in FIG. 11 , the operation display device 31 is inserted through the opening 23 b of the door frame 23 opened on the side of the split door 10 , and is accommodated in the storage member 44 formed inside the split door 10 . The operation display device 31 is disposed so as to be in close contact with the inner surface of the glass plate 24 serving as the door front surface member, so that the touch operation can be performed from the surface side of the glass plate 24 .

Specifically, as shown in FIG. 19 , before filling the interior of the half-door 10 with a heat insulating material, the glass plate 24 is next fixed to the door frame 23 constituting the four sides of the half-door 10 with an adhesive. On the door frame flange 23c which can be inserted into the opening 23b of the door frame 23 of the side door 10 of the operation display device 31, left and right restricting protrusions 23e for restricting the left and right movement are integrally formed with the door frame flange 23c. Moreover, as shown in FIG. 20, the door frame 23 is integrally formed with the front and rear restricting protrusions 23d that restrict the front and rear movement. The housing member 44 is engaged with the door frame flange 23c. Specifically, as shown in FIGS. 19 and 20 , the housing member 44 is formed with a first engaging portion 44a and a second engaging portion 44b, and the first engaging portion 44a and the second engaging portion 44b are respectively connected to The front and rear restricting protrusions 23d and the left and right restricting protrusions 23e of the door frame flange 23c are engaged with each other. Moreover, the step part 44d is formed in the opening flange part 44c (refer FIG. 18) of the accommodation member 44. As shown in FIG. Between the stepped portion 44d and the glass plate 24, a flexible foam member 63 such as a urethane foam is arranged.

As described above, in the housing member 44, the second engaging portion 44b is engaged with the left and right restricting protrusions 23e of the door frame flange 23c, and the housing member 44 is rotated based on this as a base, and the opening flange portion 44c is attached to the opening flange 44c. The reverse side of the glass plate 24 . At this time, the accommodation member 44 is positioned and fixed to the glass plate 24 by engaging the first engaging portion 44a of the accommodation member 44 with the front-rear restriction protrusion 23d.

Thereby, the front surface of the accommodation member 44 is comprised by the glass plate 24, and the operation display device 31 is in contact with the back surface of the glass plate 24, and is accommodated and arrange|positioned in the half door 10. In the refrigerator 80 of the present embodiment, since the soft foam member 63 is provided in the drop portion 44d, when the storage member 44 is rotated and positioned relative to the glass plate 24, the rear surface of the glass plate 24 can be aligned with the storage member 44. Fit snugly.

Further, as shown in FIG. 11 , the rear side of the housing member 44 located on the rear surface of the substrate 45 constituting the operation display device 31 has an inclined surface which is inclined gradually from the opening 23b toward the direction in which the operation display device 31 is inserted. close to the glass plate 24 on the front surface. The housing member 44 is configured such that a portion on the rear surface side corresponding to the protruding portion 55 of the holder substrate 46 has a drop shape, so that the gap between the rear surface side and the glass plate 24 in the front-rear direction becomes narrower than other portions. .

Moreover, the flexible foam 64, such as a polyethylene foam, can be attached to at least a part of the back surface (surface on the inner frame 22 side) of the accommodation member 44. In the state shown in FIG. 18 , a predetermined mold is filled with foamed urethane, and the door 10 is molded by covering the vacuum heat insulating material 65 (refer to FIG. 11 ) attached to the inner frame 22 from the top. . As shown in FIG. 11 , on the reverse side of the storage member 44 , when urethane is not filled, the flexible foam 64 , the vacuum heat insulating material 65 , and the inner frame 22 are configured. With this configuration, the internal volume in the refrigerator 80 can be secured.

As shown in FIG. 13 , the operation display device 31 is composed of a substrate 45, a support substrate 46, a film substrate 47, and a film member 48. The support substrate 46 covers the front of the substrate 45 for holding, and the film substrate 47 is The thin film member 48 is arranged on the front surface of the holder substrate 46, and is further arranged on the front surface.

A plurality of LEDs 49 that illuminate and display characters and the like are mounted on the substrate 45 . A connection terminal 50 to which the film substrate 47 is connected is provided at the end of the substrate 45 . The holder substrate 46 is provided with an opening 51 that allows light from the LED 49 to be irradiated forward. The thin film substrate 47 is provided with electrodes 52 and wiring patterns, and the electrodes 52 have light transmittance and detect changes in electrostatic capacitance. The thin film member 48 is provided with display characters 53 that can be illuminated by the LEDs 49 .

In the operation display device 31 , the substrate 45 is mounted on the reverse side of the holder substrate 46 , and the film substrate 47 and the thin film member 48 are stacked and mounted on the front surface of the holder substrate 46 . The lead portion 54 of the film substrate 47 is folded so as to span over the end portion of the holder substrate 46 . In addition, the lead portion 54 of the film substrate 47 is connected to the connection terminal 50 of the substrate 45 which has been arranged on the reverse side of the holder substrate 46 . As shown in FIGS. 12 , 14 , and 15 , the operation display device 31 is formed by uniting the substrate 45 , the support substrate 46 , the thin film substrate 47 , and the thin film member 48 . The operation display device 31 is a storage member 44 that accommodates and incorporates the half-part door 10 in a unitized state.

Here, as shown in FIGS. 12 to 14 , on the holder substrate 46 , at the end of the folded portion of the lead portion 54 of the film substrate 47 , a protruding portion 55 is provided, the protruding portion protruding more than the lead portion The folded portion of 54 is more outside.

Moreover, the holder base plate 46 is provided with the 1st pressing part 56 which consists of an elastically deformable bending protrusion on the reverse side of the protrusion part 55. As shown in FIG. When the operation display device 31 is housed in the housing member 44, the first pressing portion 56 is pressed against the back surface of the housing member 44 to press the holder substrate 46 toward the front glass plate 24.

In addition, the upper and lower sides of the holder substrate 46 are provided with second pressing portions 57 (see FIGS. 13 to 15 and 17 ) formed of flexural protrusions elastically deformable in the front-rear direction. When the operation display device 31 is housed in the housing member 44 , the second pressing portion 57 presses the holder substrate 46 forward, similarly to the first pressing portion 56 .

That is, the holder substrate 46 is configured such that the thin film substrate 47 provided on the front surface side of the holder substrate 46 is press-bonded and fixed via the thin film member 48 by the elastic force of the first pressing portion 56 and the second pressing portion 57 . On the inner surface of the glass plate 24 of the split door 10 .

Further, the holder substrate 46 is provided with a protrusion 58 provided on at least one of the upper end edge portion and the lower end edge portion, in this embodiment, the lower end edge portion (see FIG. 14 ). The protrusion 58 is in contact with the lower inner surface of the housing member 44 and restricts the vertical movement of the holder substrate 46 .

In addition, the holder substrate 46 is provided with a drop-off preventing piece 60 having a locking protrusion 59 at the end portion on the opposite side to the protruding portion 55 . The detachment preventing piece 60 is configured to be elastically deformable in the up-down direction. The drop-off preventing piece 60 is locked to a locking claw portion formed on the upper inner surface of the housing member 44 . Moreover, the opening part 23b is closed with the cover plate 61. As shown in FIG.

Further, the substrate 45 to which the lead portion 54 of the film substrate 47 is connected has a power supply connector 62 on the portion opposite to the connection terminal 50 to which the lead portion 54 is connected (see FIGS. 13 and 14 ). A connection wire connected to a control board (not shown) that controls the entire refrigerator 80 can be connected to the power supply connector 62 . A cutout portion 46 a is provided in a portion of the holder substrate 46 facing the power supply connector 62 .

In addition, on the upper and lower sides of the holder substrate 46 , the first ribs 66 are provided on the inner side from the opening portion 23 b relative to the second pressing portion 57 , and the first ribs 66 are provided on the opening portion 23 b side from the second pressing portion 57 . The second rib 67 . As described above, since the rear side of the housing member 44 has the inclined surface, the first rib 66 is formed so that the rib height becomes lower than that of the second rib 67 . With such a configuration, when the operation display device 31 is accommodated in the accommodation member 44, it is placed in close contact with the reverse surface of the glass plate 24 without rattling.

The operation and effect of the refrigerator 80 configured as above will be described below.

First, the operation and effect of the entire structure of the refrigerator 80 will be briefly described.

The refrigerator 80 according to an example of the embodiment of the present disclosure includes a plurality of doors 10 to 14 . Each of the front surfaces of the plurality of doors 10 to 14 is constituted by a glass plate 24 . With such a configuration, the refrigerator 80 has a high-quality feeling and an appearance becomes beautiful. Furthermore, according to the refrigerator 80 which is an example of the embodiment of the present disclosure, the surface of the glass plate 24 has no protruding structure due to the glass plate insertion portion and the handle portions 10a to 14a, so the surfaces of the plurality of doors 10 to 14 are formed It is only the flat side of the glass plate 24 . With this configuration, even if the refrigerator 80 is provided with a plurality of doors, the surfaces of the plurality of doors 10 to 14 as a whole can be provided with a simple configuration that is flat.

In addition, according to the refrigerator 80 of the present embodiment, the gap between the left and right doors of the half-doors 10 and 10 can also be recessed in the lower end surface of the half-door 10 by recessing the handle portions 10a and 10a, so that the gap between the left and right doors becomes unnecessary. The handle portion can be formed to be narrow. Accordingly, according to the present embodiment, the sense of unity and the sense of planeness of the left and right doors of the half-part doors 10 and 10 can be maintained favorably.

In addition, according to the refrigerator 80 of the present embodiment, the glass plate 24 is provided with the coloring layer 27 on the inner surface side of the glass plate 24 to increase the depth of the colored color to enhance the texture. In addition, since the colored layer 27 is formed on the resin film 26, it can be formed by a roller or the like. Accordingly, according to the refrigerator 80 of the present embodiment, it is possible to form fine patterns such as hair strands, etc., such as the high defect rate and the fact that the coloring layer is directly printed on the glass plate 24, which cannot be produced substantially. Further, a refrigerator with high design was produced. In addition, the resin film 26 is not an essential structure, and may be a structure in which coloring and patterning may be directly applied to the glass plate 24, thereby achieving cost reduction.

Next, the function and effect of the illuminance sensor 30 will be described.

The illuminance sensor 30 is provided with the light sensor 37 facing the lower end surface of the split door 10 at the lower part of one of the split doors 10 . Further, the front end portion 40 of the light guide member 38 provided opposite to the lower end surface of the split door 10 is made to face forward from the lower side portion of the door frame 23 at the lower portion of the split door 10 . With such a configuration, the illuminance sensor 30 can satisfactorily detect the light from the front of the door (in the present embodiment, the door 10 of the split type) in which the illuminance sensor 30 is provided.

In addition, with this configuration, the upper part of the door (the drawer door 11 in the present embodiment) below the door (the half-open door 10 in the present embodiment) on which the illuminance sensor 30 is provided becomes It is not necessary to provide an inclined portion for reflecting light to the light sensor 37, and the degree of freedom of design of the upper part of the door (drawer door 11) below the door provided with the illuminance sensor 30 is improved, and also becomes The handle part 11a may be provided in the upper part of the drawer door 11 by forming a recessed part.

Moreover, the light guide member 38 is arrange|positioned so that the front-end|tip part 40 may face the front from the door frame 23 part of the split door 10 in particular. With this configuration, the light guide member 38 can be made inconspicuous compared to the case where the light guide member is provided in such a manner as to face the front from the surface of the glass plate 24 on the front surface of the split door 10. A refrigerator with good design can be obtained.

In addition, the light guide member 38 is inserted into the through hole portion 39 already provided in the unit housing 33 , and the front end portion 40 of the light guide member 38 is arranged to penetrate through the through hole portion 39 . Moreover, the front-end|tip part 40 is arrange|positioned facing the notch part 23a formed in the lower side of the door frame 23. As shown in FIG. Moreover, the front-end|tip part 40 is comprised so that it may become substantially the same surface state as the end surface of the door frame 23 (refer FIG. 8). With this configuration, the light guide member 38 and the door frame 23 are formed as an integrated form, and high designability can be ensured.

Accordingly, with such a configuration, a refrigerator in which the illuminance sensor 30 can be incorporated into the side-by-side door 10 without being noticed can be produced. Moreover, by this structure, it is possible to provide a refrigerator which has a flat feeling and maintains high designability. In addition, with this configuration, the power-saving operation by the illuminance sensor 30 can be enabled, and a refrigerator with high energy-saving performance can be obtained.

In addition, the light guide member 38 has its front end 40 facing forward and downward from the lower side of the door frame 23, that is, a notch 23a is provided at the front end of the lower surface of the door frame 23, A portion of the front end portion 40 is also exposed downward. Moreover, the front-end|tip part 40 is provided with the inclined surface which inclines toward the front and the downward direction of the door in which the light guide member 38 (in this embodiment, the half-open door 10) is provided. With this configuration, the light sensor 37 can guide light from the front of the door where the light guide member 38 is provided and also from below. Therefore, the light sensor 37 can detect light from a wide range including the lower side, and the illuminance detection performance can be greatly improved. That is, with such a configuration, it is possible to obtain a refrigerator in which the light guide member 38 is formed inconspicuously, the illuminance detection performance is improved, and the high designability and energy saving performance can be obtained.

Further, the light guide member 38 is provided with a chamfered portion 41 at a corner portion bent in an L-shape. With this configuration, the light introduced from the front end of the light guide member 38 can be efficiently directed toward the photo sensor 37 by the chamfered portion 41 . Therefore, the illuminance detection performance by the illuminance sensor 30 can be further improved.

Moreover, the refrigerator 80 of this embodiment is comprised so that light may be detected through the light guide member 38. FIG. With this configuration, the light sensor 37 can be located deeper than the end face of the door (the split door 10 ) provided with the illuminance sensor 30 , and the illuminance sensor 30 is not attached to the end surface. It is possible to maintain high reliability by preventing water or the like from entering the photo sensor 37 or the like on the surface of the door of the device 30 or the like.

In particular, the light guide member 38 is formed in a substantially L-shape. Moreover, the light guide member 38 is arrange|positioned so that the front-end|tip part 40 may face forward from the lower side part of the door frame 23. As shown in FIG. In addition, the light guide member 38 is formed so that the end face of the end opposite to the front end portion 40 is upward, that is, has a horizontal plane, and the end face thereof is arranged to face the photo sensor 37 . With this configuration, when the door provided with the illuminance sensor 30 (the half-open door 10 in this embodiment) is opened and closed, the user's hand is already wet with water or the like, and the water or the like adheres to the door. Even if the water or the like adhering to the surface of the split door 10 is allowed to enter along the front end of the light guide member 38, the photo sensor 37 is located in the light guide member. The other end side of the 38 bent into the L-shape is positioned above the front end 40 of the light guide member 38, so that water or the like can be reliably prevented from entering the portion where the photosensor 37 is installed. Therefore, with such a configuration, a highly reliable refrigerator without failure or the like can be obtained.

In addition, the light guide member 38 is held in the unit frame 33 together with the sensor substrate 34, and is provided at the lower part of the door in which the illuminance sensor 30 is provided. With this configuration, the accuracy of the mutual positional relationship between the light sensor 37 and the light guide member 38 can be improved, and the illuminance detection performance can be further improved.

Furthermore, the illuminance sensor 30 is unitized by attaching the sensor substrate 34 to the unit casing 33 . With such a configuration, the illuminance sensor 30 can be easily attached by simply accommodating the unit frame 33 in the unit frame 32 formed on the door frame 23, and the productivity can be improved.

Next, the operation and effect of the operation display device 31 will be described.

The operation display device 31 includes electrodes 52 for detecting changes in electrostatic capacitance, so that the cooling capability can be changed by touch operation from the front surface of the glass plate 24 , and the content of the change can be confirmed through the glass plate 24 .

Here, the holder substrate 46 of the operation display device 31 is configured as a thin film member arranged on the surface of the thin film substrate 47 on the front surface side of the holder substrate 46 by the first pressing portion 56 and the second pressing portion 57 . 48, strongly crimping and fixing the inner surface of the glass plate 24 of the split door 10. With this configuration, it is possible to improve the detection accuracy of the electrostatic capacitance during the touch operation, and to improve the quality of the operation.

Moreover, the holder base plate 46 is provided with the protrusion 58 in the lower edge part. With such a configuration, the sliding resistance when the half-part door 10 is inserted into the storage member 44 can be reduced. Therefore, the operation of inserting the holder substrate 46 into the housing member 44 can be facilitated.

Moreover, the holder board|substrate 46 is press-contacted to the back surface of the glass plate 24 by the elastic force of the 1st pressing part 56 and the 2nd pressing part 57. In addition, on the upper and lower sides of the holder substrate 46, with respect to the inclined surface provided on the back side of the housing member 44 in order to improve the insertability of the operation display device 31, a first rib 66 and a second rib having different heights are provided. 67 so that the front surface of the operation display device 31 is held without shaking. With such a configuration, the operation display device 31 can be arranged in pressure contact with the back surface of the glass plate 24, and the detection variation of the electrostatic capacitance can be reduced.

In addition, the thin film substrate 47 provided on the front surface of the holder substrate 46 is configured such that the lead portion 54 is connected to the substrate 45 provided on the reverse side of the holder substrate 46 . That is, the film substrate 47 is configured to be connected to the substrate 45 by folding the lead portion 54 so as to straddle the end portion of the holder substrate 46 . With this configuration, even if the lead portion 54 of the film substrate 47 cannot expand and contract, and there is a slight dimensional difference with the substrate 45 on the opposite side of the holder substrate 46, the curvature of the lead portion 54 can be folded. Changes are added or subtracted to absorb this deviation. Accordingly, with such a configuration, the connection operation of the lead portion 54 can be facilitated, and the workability can be greatly improved.

That is, the film substrate 47 is attached to the front surface of the holder substrate 46 before the lead portion 54 is connected to the substrate 45 . Therefore, when the lead portion 54 is configured to be connected in a straight line without being folded, the lead portion 54 cannot be connected if there is a dimensional difference between the lead portion 54 and the substrate 45 on the reverse side of the holder substrate 46 . . In this case, it may be necessary to re-adhere the film substrate 47 to perform micro-correction of the position of the film substrate 47 .

However, if the configuration shown in the present embodiment, that is, the configuration in which the lead portions 54 are folded and connected, is adopted, as described above, the dimensional variation can be absorbed by simply changing the curvature of the fold, and the lead portions can be 54's connection work is easy and workability is greatly improved.

In addition, the holder substrate 46 is provided with a protruding portion 55 that protrudes to the outside of the folded portion of the lead portion 54 . With this configuration, when the operation display device 31 is incorporated into the split door 10 , the protruding portion 55 of the holder substrate 46 can be in the form of the lead portion 54 of the protective film substrate 47 . Therefore, the installation into the half-open door 10 can be performed easily and effortlessly, the workability can be improved, and the damage of the lead portions 54 of the film substrate 47 can be suppressed, and the reliability can be greatly improved.

In addition, the holder base plate 46 can be locked to the locking claw portion formed on the housing member 44 of the split door 10 by the drop prevention piece 60 provided on the end edge opposite to the protruding portion 55 . With this configuration, it is possible to prevent the operation display device 31 from falling out inadvertently, so that the reliability can be further improved. Moreover, since the opening part 23b can be closed with the cover plate 61, it can prevent that dust and water enter into the operation display apparatus 31.

Further, the substrate 45 that can be connected to the lead portion 54 of the film substrate 47 provided on the front surface of the holder substrate 46 is provided with a power supply connector 62 that is provided to the lead portion 54 of the thin film substrate 47 that can be connected to it. The connection terminal 50 is the part on the opposite side. With this configuration, the power supply connector 62 can be connected to the power supply line from the refrigerator body 1 at the inlet side portion of the storage member 44 . And this connection can be performed from the front surface side of the holder board|substrate 46 through the notch part 46a provided in the holder board|substrate 46. Therefore, with this configuration, workability can be improved.

In addition, in this embodiment, although the case where the operation display apparatus 31 is arrange|positioned on the door provided with the illuminance sensor 30 of the side-by-side door 10 was demonstrated as an example, it is not limited to this structure. The operation display device 31 may also be installed on the door on the side where the illuminance sensor 30 is not installed, or may be installed on other doors, for example, a drawer-type door, depending on the situation.

In addition, although the operation display device 31 is described as an example of a device having an irradiation function by the LED 49, it may be a device that does not have an irradiation function, for example, only a display text is added to the operation surface portion such as electrodes.

As mentioned above, although this invention was demonstrated using embodiment, this invention is not limited to this. That is, the embodiment disclosed this time should be considered as an illustration and not restrictive in every sense. That is, the scope of the present disclosure is indicated not by the above description but by the scope of claims, and is intended to include the meaning equivalent to the scope of claims and all modifications within the scope. industrial availability

As described above, the present disclosure can arbitrarily set the design of the upper part of the other door located below the door provided with the illuminance sensor, and can also set the design of the upper part of the other door located below the door provided with the illuminance sensor. The upper part is provided with a handle part, and it is possible to provide a refrigerator having high design and reliability and also good usability. Accordingly, it can be widely applied to refrigerators and wine coolers for business use, not only for household use.

1‧‧‧Refrigerator body 2‧‧‧Outer box 3‧‧‧Inner box4‧‧‧Foam insulation material5‧‧‧Refrigerator compartment (storage room)6‧‧‧Switching room 8‧‧‧Freezer compartment 9 ‧‧‧vegetable room 10‧‧‧doors (split doors) 11, 12, 13, 14‧‧‧doors (drawer doors) 10a, 11a, 12a, 13a, 14a‧‧‧handles 15‧‧‧hinges 16‧‧‧Cooling chamber 17‧‧‧Cooler 18‧‧‧Air supply fan 21‧‧‧Capillary tube 22‧‧‧Inner frame 23‧‧‧Door frame 23a‧‧‧Cut part 23b‧‧‧Opening part 23c‧‧‧ Door frame flange 23d‧‧‧Front and rear regulating protrusions 23e‧‧‧Left and right regulating protrusions 24 28‧‧‧Foam insulation material 30, 531‧‧‧Illuminance sensor 31‧‧‧Operation display device 32‧‧‧Unit frame 33‧‧‧Unit frame body 34‧‧‧Sensor substrate 35‧‧ ‧Screw 36‧‧‧Spacer 37‧‧‧Photo sensor 38‧‧‧Light guide member 39‧‧‧Through hole (through hole) 40‧‧‧Front end 41‧‧‧Chamfered 44‧‧ ‧Accommodating member 44a‧‧‧First engaging portion 44b‧‧‧Second engaging portion 44c‧‧‧Open flange portion 44d‧‧‧Drop portion 45, 105‧‧‧Substrate 46‧‧‧Support substrate 46a ‧‧‧Cut part 47‧‧‧Film substrate 48‧‧‧Thin film member 49‧‧‧LED50‧‧‧Connecting terminal 51‧‧‧Opening part 52‧‧‧Electrode 53‧‧‧Display text 54‧‧‧Lead part 55‧‧‧Protruding part 56‧‧‧First pressing part 57‧‧‧Second pressing part 58‧‧‧Projection 59‧‧‧Locking projection 60‧‧‧Dropout prevention piece 61‧‧‧Cover 62‧‧ ‧Connector for power supply 63‧‧‧Flexible foam member 64‧‧‧Flexible foam 65‧‧‧Vacuum heat insulating material 66‧‧‧First rib 67‧‧‧Second rib 77‧‧‧Ice making Room 80‧‧‧Refrigerator 102‧‧‧Electrostatic capacitance detection electrode 103‧‧‧LED light-emitting body 104‧‧‧Flexible substrate 106‧‧‧Lead part 510‧‧‧Side-open door 512‧‧‧Other door 512b‧ ‧‧Slope 819‧‧‧Compressor 820‧‧‧Radiator

FIG. 1 is an external perspective view of a refrigerator according to an example of an embodiment of the present disclosure.

2 is a schematic cross-sectional view of a refrigerator according to an example of an embodiment of the present disclosure.

3 is a cross-sectional view showing a door portion of a refrigerator according to an example of an embodiment of the present disclosure.

4 is an external perspective view showing one of the doors of a refrigerator according to an example of the embodiment of the present disclosure.

Fig. 5 is a plan view showing the inner surface of the door in a state in which the inner case of the door of the refrigerator according to the embodiment of the present disclosure has been removed.

6 is an exploded perspective view of a door of a refrigerator according to an example of an embodiment of the present disclosure.

FIG. 7 is a cross-sectional view taken along line 7-7 of FIG. 4. FIG.

8 is a cross-sectional view showing an installation portion of an illuminance sensor installed on a door of a refrigerator according to an example of an embodiment of the present disclosure.

9 is a perspective view showing an illuminance sensor block of a refrigerator according to an example of an embodiment of the present disclosure.

Fig. 10 is a front view showing a main part of a door of a refrigerator according to an example of the embodiment of the present disclosure.

11 is a cross-sectional view of an operation display device provided on a door of a refrigerator according to an example of an embodiment of the present disclosure.

12 is an external perspective view of an operation display device of a refrigerator according to an example of the embodiment of the present disclosure.

13 is an exploded perspective view of an operation display device of a refrigerator according to an example of an embodiment of the present disclosure.

14 is a front view showing the front side of the operation display device of the refrigerator according to an example of the embodiment of the present disclosure.

Fig. 15 is a front view showing the rear side of the operation display device of the refrigerator according to an example of the embodiment of the present disclosure.

16 is a perspective view showing a protruding portion and a first pressing portion provided in an operation display device of a refrigerator according to an example of an embodiment of the present disclosure.

17 is a perspective view showing a second pressing portion provided in the operation display device of the refrigerator according to an example of the embodiment of the present disclosure.

18 is a perspective view of a storage member and a door of an operation display device of a refrigerator according to an example of the embodiment of the present disclosure.

FIG. 19 is a cross-sectional view taken along line 19-19 of FIG. 18. FIG.

FIG. 20 is a cross-sectional view taken along line 20-20 of FIG. 18. FIG.

Fig. 21 is a cross-sectional view of an illumination sensor installation portion in a conventional refrigerator.

Fig. 22 is another cross-sectional view of an illumination sensor installation portion in a conventional refrigerator.

Fig. 23 is an exploded perspective view showing an illuminance sensor in a conventional refrigerator.

11‧‧‧door (drawer door)

11a‧‧‧Handle

23‧‧‧door frame

23a‧‧‧Notch

24‧‧‧Glass plate (front surface member of door)

32‧‧‧Unit frame

33‧‧‧Unit frame

34‧‧‧Sensor Substrate

35‧‧‧Screw

36‧‧‧Spacers

37‧‧‧Light Sensor

38‧‧‧Light guide member

39‧‧‧Through Hole (Through Hole)

40‧‧‧Front end

41‧‧‧Chamfered

Claims (6)

A refrigerator comprising: a refrigerator body; a plurality of storage compartments provided in the refrigerator body; and a plurality of doors for opening and closing openings of the plurality of storage compartments, and at least one of the plurality of doors is provided with a sense of illuminance The door provided with the illuminance sensor has a lower end surface, the illuminance sensor has a light sensor disposed toward the lower end surface, and a guide for guiding light from the outside to the light sensor A light member, wherein the light guide member has a front end portion, the front end portion is located at the lower part of the door provided with the illuminance sensor, and can guide light from the front, the door frame of the door has a through hole in the lower part, and the above The front end portion of the light guide member faces from the through hole, and the front end surface of the front end portion is configured to be flush with the end surface of the door frame of the door. A refrigerator comprising: a refrigerator body; a plurality of storage compartments provided in the refrigerator body; and a plurality of doors for opening and closing openings of the plurality of storage compartments, and at least one of the plurality of doors is provided with a sense of illuminance a detector, the door provided with the illuminance sensor has a lower end face, The illuminance sensor has a light sensor provided toward the lower end surface, and a light guide member that guides light from the outside to the light sensor, the light guide member has a front end portion, and the front end portion is configured as The light guide member is located at the lower part of the door provided with the illuminance sensor, and can guide light from the front, the light guide member has a corner portion bent in an L shape, and the light guide member is a door frame that allows the front end portion of the door to pass through. A part of the light guide member is arranged to face forward, and the other end portion of the light guide member is configured so that the end surface thereof is upward, and the light guide member is arranged so that the end surface faces the photo sensor. The refrigerator according to claim 2, wherein the light guide member is provided with a chamfered portion at the corner portion bent into an L-shape. The refrigerator according to any one of claims 1 to 3, wherein the light guide member is configured to be able to guide light also from below the door provided with the illuminance sensor. The refrigerator according to any one of claims 1 to 3, wherein the light guide member is provided so that the front end portion faces forward and downward from a part of the door frame. The refrigerator according to claim 4, wherein the light guide member is provided so that the front end portion faces forward and downward from a part of the door frame.

Images