WO2011108246A1 - 冷蔵庫 - Google Patents
冷蔵庫 Download PDFInfo
- Publication number
- WO2011108246A1 WO2011108246A1 PCT/JP2011/001145 JP2011001145W WO2011108246A1 WO 2011108246 A1 WO2011108246 A1 WO 2011108246A1 JP 2011001145 W JP2011001145 W JP 2011001145W WO 2011108246 A1 WO2011108246 A1 WO 2011108246A1
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- WO
- WIPO (PCT)
- Prior art keywords
- light emitting
- semiconductor light
- emitting element
- refrigerator
- main box
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D27/00—Lighting arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/30—Lighting for domestic or personal use
- F21W2131/305—Lighting for domestic or personal use for refrigerators
Definitions
- the present invention relates to a refrigerator, and more particularly, to a refrigerator including a semiconductor light emitting element that illuminates the interior of the refrigerator.
- Patent Document 1 discloses a refrigerator including a lighting device having a light emitting diode that is a semiconductor light emitting element on the top surface of the refrigerator. This semiconductor light emitting element is arranged so that the optical axis of the light to be irradiated is directed in the vertical direction, and the interior of the refrigerator can be illuminated brightly by irradiating light downward in the vertical direction.
- a semiconductor light emitting element when a semiconductor light emitting element is provided in a refrigerator, it is generally performed to provide a cover member in order to protect the semiconductor light emitting element from condensation or the like.
- Patent Document 1 discloses a refrigerator including a lighting device having a light emitting diode as a semiconductor light emitting element on the top surface of the refrigerator.
- the semiconductor light emitting element is attached to the substrate so that the plate surface of the substrate to which the semiconductor light emitting element is attached and the optical axis of the semiconductor light emitting element intersect perpendicularly.
- a refrigerator including a lighting unit in which light emitting diodes, which are a plurality of semiconductor light emitting elements, are installed in a recess provided on a side wall of a refrigerator and the entire light emitting diode is covered with a cover. Is disclosed.
- the cover has a function of isolating the atmosphere around the light-emitting diode from the atmosphere in the cabinet so that the light-emitting diode and the substrate disposed in the refrigerator cabinet maintained at a temperature lower than room temperature do not condense. .
- the cover since it is necessary to illuminate the interior by transmitting light emitted from the light emitting diode, the cover is made of a transparent resin that transmits visible light.
- a light emitting diode is arrange
- the structure to irradiate has been widely adopted.
- the inventors of the present application have found the following phenomenon as a result of intensive studies and experiments. That is, in order to irradiate light from the front side (opening side) of the refrigerator toward the back side, the semiconductor light emitting element is arranged so that the optical axis is inclined to the back side. On the other hand, the cover member that covers the front of the semiconductor light emitting element is disposed along the inner wall surface. In this case, most of the light emitted from the semiconductor light emitting element is reflected by the cover member. As a result, the amount of light that illuminates the interior is reduced and the interior is darkened.
- the present invention has been made in view of such a problem, and even when the semiconductor light emitting element is tilted, a cover member that can suppress a decrease in illuminance of light emitted from the semiconductor light emitting element.
- the first object is to provide a refrigerator including the above.
- the substrate will protrude into the refrigerator, and the internal volume of the refrigerator will be reduced. Moreover, it becomes an obstacle at the time of putting in and out of the refrigerator.
- it is only necessary to provide a recessed portion on the inner wall of the refrigerator to accommodate the inclined substrate, but in order to sufficiently tilt the substrate, the depth of the recessed portion should be reduced. It must be deepened and the heat insulation performance of the refrigerator will be reduced.
- This invention is made
- the second purpose is to provide a refrigerator that can be used.
- This invention is made
- the third object is to provide a refrigerator that suppresses a decrease in the beauty that is observed when the refrigerator is opened.
- a refrigerator includes a main box having an opening on a front surface, and semiconductor light emission that is disposed on an inner wall of the main box and emits light toward the inside of the main box.
- a refrigerator including an element and a cover member that blocks the semiconductor light emitting element from the atmosphere inside the main box, wherein the cover member is a plate-shaped transmission portion that transmits light emitted from the semiconductor light emitting element.
- the transmission axis which is an axis perpendicular to the outer surface of the transmissive portion facing the inside of the main box, is inclined to the inner side than the inner wall axis, which is an axis perpendicular to the inner wall surface on which the semiconductor light emitting element is disposed.
- a transmissive portion disposed on the main box body and a support portion that supports the transmissive portion with respect to the main box body, and the semiconductor light emitting element has an optical axis in the same direction as the transmissive axis Or so as to face the opening side from the transmission axis Characterized in that it is location.
- a recessed shape on the inner wall of the main box body and includes a recessed portion in which the semiconductor light emitting element is accommodated, and a part of the transmission portion in the depth direction is disposed inward of the recessed portion. Is preferred.
- the semiconductor light emitting element is disposed inside the recessed portion, the semiconductor light emitting element can be disposed without sacrificing the storage space inside the refrigerator. Moreover, when the optical axis of the semiconductor light emitting element is tilted toward the opening side from the transmission axis of the transmission part, the depth of the recessed part can be reduced, and the heat insulation performance of the refrigerator can be prevented from deteriorating. Further, since the cover member can be prevented from being protruded inward from the inner wall surface despite the fact that the cover member is arranged to be inclined with respect to the inner wall surface, the cover member is a refrigerator. It is possible to suppress the hindrance to putting in and out the items accommodated inside, and it is possible to secure a wide accommodation space inside the refrigerator.
- a refrigerator includes a main box having an opening on the front surface, and an inner wall in the vicinity of the opening of the main box.
- a refrigerator comprising a radiating semiconductor light-emitting element and a cover member that shields the semiconductor light-emitting element from the atmosphere inside the main box, wherein the semiconductor light-emitting element is attached to supply power to the semiconductor light-emitting element
- substrate with which wiring of this is provided, Comprising: The board
- the semiconductor light emitting device is characterized in that the optical axis is arranged so as to be inclined to the back side with respect to an inner wall axis which is an axis perpendicular to the inner wall surface.
- the board is arranged so that the plate surface is parallel to the inner wall surface of the refrigerator. It is possible to suppress overhanging the inside of the refrigerator. Moreover, when a recessed part is provided in the inner wall of a refrigerator and a board
- the semiconductor light emitting element includes an element main body and a lead wire provided so as to protrude from the element main body, and the refrigerator further includes an intermediate member that protects the lead wire and fixes the element main body to the substrate. It may be provided.
- the lead wire is protected by the intermediate member. It is possible to prevent the lead wire from being short-circuited due to contact of any member. In addition, it is possible to suppress the element main body from greatly vibrating due to the vibration of the compressor or the like generated in the refrigerator by the intermediate member.
- a refrigerator includes a main box body having an opening on the front surface, and is disposed in the vicinity of the opening of the inner wall of the main box body, on the back side of the main box body.
- a refrigerator including a semiconductor light emitting element that emits light toward the cover, the cover having a transmission part that transmits the light emitted by the semiconductor light emitting element, and shielding the semiconductor light emitting element from the atmosphere inside the main box It is provided with the member and the shielding member which is arrange
- the object stored in the refrigerator can be brightly illuminated.
- the user of the refrigerator can observe what is stored in the refrigerator without feeling dazzling because the light that will directly enter the eyes is suppressed by the shielding part.
- the appearance of the refrigerator is suppressed and the appearance of the refrigerator when the door is opened with the design of the shielding member is suppressed and improved. It becomes possible to make it.
- a pedestal that is attached to the inner wall of the main box body and holds the semiconductor light emitting element, and the pedestal on which the shielding member is integrally provided may be provided.
- the shielding member may be provided integrally with the cover member. That is, the shielding member may be a part of the cover member.
- the shielding member may be a portion provided with unevenness where light is irregularly reflected on a part of the surface of the cover member.
- the shielding member may be made of a material different from that of the transmission part.
- a part of the cover member can be made of a material that does not transmit light at all, and can be used as a shielding member, the inside of the cover member is completely blocked from the view of the user of the refrigerator. It becomes possible to make it difficult to see. Moreover, since it is also possible to color the shielding member, it is possible to increase the degree of freedom of design creation and improve the appearance of the refrigerator when the door is opened.
- emitted from a semiconductor light-emitting element can be permeate
- the optical axis of the semiconductor light emitting element is arranged in a direction intersecting with the normal of the plate surface of the substrate, the protrusion to the inside of the refrigerator is suppressed, and the depth of the recessed portion is reduced. It becomes possible to make it shallow.
- the purpose is to provide a refrigerator that suppresses the decrease in the temperature.
- FIG. 1 is a plan view showing a refrigerator according to an embodiment of the present invention from the front.
- FIG. 2 is a plan view showing the sub-box body forming the refrigerator compartment from the front.
- FIG. 3 is a plan view showing a sectional state of the sub-box body forming the refrigerator compartment from the side.
- FIG. 4 is a plan view showing a cross-sectional state (corresponding to line GG in FIG. 3) of the sub-box body forming the refrigerator compartment from above.
- FIG. 5 is a plan view showing a cross section of the illumination unit arranged on the inner wall of the main box body from above.
- FIG. 6 is a perspective view showing the cover member.
- FIG. 7 is a plan view showing a cross section of the illumination unit arranged on the inner wall of the main box body from above.
- FIG. 8 is a plan view showing a cross section of the illumination unit arranged on the inner wall of the main box body from above.
- FIG. 9 is a plan view showing the sub-box body forming the refrigerator compartment from the front.
- FIG. 10 is a plan view showing a sectional state of the sub-box body forming the refrigerator compartment from the side.
- FIG. 11 is a plan view showing a cross section of the illumination unit arranged on the inner wall of the main box body from the side.
- FIG. 12 is a plan view schematically showing a connection state between the substrate and the semiconductor light emitting element with a part cut away from the side.
- 13A and 13B are views showing the intermediate member, wherein FIG. 13A is a plan view showing a cross section of the intermediate member from the side (direction shown in FIG.
- FIG. 12 is a plan view showing the intermediate member from the front. is there.
- FIG. 14 is a plan view showing a cross section of the illumination unit arranged on the inner wall of the main box body from the side.
- FIG. 15 is a plan view showing the sub-box body forming the refrigerator compartment from the front.
- FIG. 16 is a plan view showing a cross-sectional state of the sub-box body forming the refrigerator compartment from above.
- FIG. 17 is a plan view showing a cross section of the illumination unit arranged on the inner wall of the main box body from above.
- FIG. 18 is a perspective view showing the cover member.
- FIG. 19 is a plan view showing a cross section of the illumination unit arranged on the inner wall of the main box body from above.
- FIG. 20 is a perspective view schematically showing the lighting unit before assembling the main box body and the state in the vicinity thereof.
- FIG. 21 is a plan view showing a cross section of the illumination unit arranged on the inner wall of the main box body from above.
- FIG. 22 is a plan view showing a cross section of a lighting unit according to another embodiment arranged on the inner wall of the main box body from above.
- FIG. 1 is a plan view showing a refrigerator according to an embodiment of the present invention from the front.
- the refrigerator 100 includes a main box 101 that opens to the front. Further, the main box body 101 includes a plurality of sub-box bodies that are formed by dividing the inside.
- the main box body 101 is a box body having an opening on the front surface, and has a heat insulating performance that blocks heat from entering and exiting the inside and outside of the refrigerator 100.
- the main box body 101 includes an inner box 171 vacuum-formed with a resin such as ABS, an outer box 172 using a metal material such as a pre-coated steel plate, It is comprised with the heat insulating material 173 arrange
- the sub-box provided in the refrigerator 100 includes a refrigerating room 102, an ice making room 105, a switching room 106, a vegetable room 104, and a freezing room 103, which are provided in the ice making room 105 and can change the temperature in the refrigerator, depending on the function (cooling temperature). Each is formed.
- a rotary heat insulating door 107 filled with foam heat insulating material such as urethane is provided in the front opening of the refrigerator compartment 102.
- the heat insulating door 107 is also made of a resin inner plate (not shown), a metal outer plate (not shown), and a heat insulating material existing between the inner plate and the outer plate (see FIG. (Not shown).
- drawers are provided in front opening portions of the ice making room 105, the switching room 106, the vegetable room 104, and the freezing room 103, respectively.
- Each of the ice making room 105, the switching room 106, the vegetable room 104, and the freezing room 103 is hermetically sealed by a front plate 108 having heat insulation performance so as not to leak cold air.
- FIG. 2 is a plan view showing the sub-box body forming the refrigerator compartment from the front.
- FIG. 3 is a plan view showing the sectional state of the sub-box body forming the refrigerator compartment from the side.
- the refrigerator 100 includes an illumination unit 200 that is disposed on the inner wall of the main box body 101 and illuminates the inside of the main box body 101 from the vicinity of the opening of the main box body 101 toward the back side. ing. Moreover, the refrigerator 100 is provided with the shelf board 110 in which the accommodation thing is mounted in the main box body 101 inside so that attachment or detachment is possible. Specifically, five flat plate-like shelf plates 110 are arranged inside the refrigerator compartment 102.
- FIG. 4 is a plan view showing the cross-sectional state (the cross-sectional state at the position of line GG in FIG. 3) of the sub-box body forming the refrigerator compartment from above.
- the lighting unit 200 is embedded in recessed portions 120 provided on both side walls which are one of the inner walls of the main box body 101.
- FIG. 5 is a plan view showing a cross section of the lighting unit arranged on the inner wall of the main box body from above.
- the illumination unit 200 is a unit that illuminates the inside of the main box 101 and includes a semiconductor light emitting element 210 and a cover member 220.
- FIG. 6 is a perspective view showing the cover member.
- the cover member 220 is a member that blocks the semiconductor light emitting element 210 from the atmosphere inside the main box body 101. Accordingly, even when moist air enters the inside of the main box 101, it is possible to avoid dew from adhering to the semiconductor light emitting element 210 and the substrate 223 to which the semiconductor light emitting element 210 is attached.
- the cover member 220 is a plate-like member that covers the inner side of the main box body 101 of the semiconductor light emitting element 210, and is a member obtained by molding a resin.
- the cover member 220 includes a transmission part 221 and a support part 222.
- the transmission part 221 is a part of the cover member 220 that transmits the light radiated from the semiconductor light emitting element 210 and has an axis perpendicular to the outer surface of the transmission part facing inward of the main box 101 as shown in FIG.
- the transmission axis A is a portion arranged so as to be inclined to the back side (arrow D side in FIG. 5) with respect to the inner wall axis C which is an axis perpendicular to the inner wall surface of the refrigerator compartment 102 where the semiconductor light emitting element 210 is arranged. is there.
- the transmission part 221 is made of a transparent resin that can transmit visible light.
- the support part 222 is a part of the cover member 220 that is attached to the main box body 101 and supports the transmission part 221 with respect to the main box body 101.
- the support part 222 is integrally formed with the transmission part 221 by molding resin.
- the support part 222 located on the back side of the main box body 101 is shaped so as to be in close contact with the inner wall forming the recessed part 120. By doing so, light is not transmitted to the support part 222 in which the support part 222 is arranged along the shape of the recessed part 120 in a state where the cover member 220 is attached.
- the support part 222 does not need to be formed integrally with the transmission part 221, and may be a member that supports the transmission part 221 existing as a separate body.
- the semiconductor light emitting element 210 is a light emitting element that generates light and emits light toward the inside of the main box 101.
- the semiconductor light emitting element 210 employs an LED (Light Emitting Diode), and a plurality of semiconductor light emitting elements 210 are mounted side by side on a thin and elongated rectangular substrate 223.
- the semiconductor light emitting element 210 is disposed in a state of being accommodated in a recessed portion 120 (see FIG. 5) provided in a recessed shape on the inner wall of the main box body 101. Further, the semiconductor light emission is performed such that the optical axis B, which is the central axis of the light emitted from the semiconductor light emitting element 210, is directed to the opening side (arrow E in FIG. 5) with respect to the transmission axis A, which is the normal line of the outer surface of the transmission part 221.
- the element 210 is arranged.
- the semiconductor light emitting elements 210 are arranged in a line at a predetermined interval in the vertical direction, and are arranged from the opening part rather than the shelf board 110 (see FIG. 3). Further, at least some of the semiconductor light emitting elements 210 are disposed at the same height as the shelf plate 110 is disposed, and are disposed with the optical axis B facing the shelf plate 110 (see FIG. 3). . According to this, it becomes possible to suppress that the inside of a store
- the shelf board 110 is formed of a transparent material such as glass, but the peripheral edge of the shelf board 110 may be surrounded by a frame that does not easily transmit light.
- the shadow of the frame due to the light emitted from the semiconductor light emitting element 210 extends along the shelf board 110 and is reflected on other shelf boards and the like. This is because there is nothing.
- the heights of at least the shelf plate 110 positioned at the top and the semiconductor light emitting element 210 positioned at the top are the same. Thereby, it is possible to reduce the shadow of the frame in front of the shelf plate 110 positioned at the uppermost stage from being reflected on the internal top surface of the refrigerator 100. Therefore, the amount of light reflected by the top surface of the refrigerator 100 can be increased, and the entire interior can be illuminated brightly.
- the semiconductor light emitting element 210 be arranged so that the optical axis B is in the same direction as the transmission axis A, or the optical axis B is closer to the opening side than the transmission axis A.
- the semiconductor light emitting element 210 is arranged so that the optical axis B is directed to the back side (arrow D in FIG. 5) from the transmission axis A, a part of the light emitted from the semiconductor light emitting element 210 is supported by the support portion 222 of the cover member 220. This is because the inside of the main box 101 cannot be efficiently illuminated by being blocked by the light.
- the semiconductor light emitting element 210 is arranged so that the optical axis B is directed to the opening side with respect to the transmission axis A, the semiconductor light emitting element 210 is placed inside the recessed part 120 even if the depth of the recessed part 120 is reduced. It is because it can arrange
- the cover member 220 that covers the semiconductor light emitting element 210 having the optical axis B facing the back side from the vicinity of the opening of the main box body 101 has the transmission part 221 with the transmission axis A facing the back side rather than the optical axis B.
- the cover member 220 does not protrude from the inner wall surface of the main box body 101, and a large internal space of the main box body 101 is ensured.
- the support portion 222 located on the back side is disposed in close contact with the inner wall forming the recessed portion 120, the generation of shadows by the support portion 222 can be suppressed. Therefore, the light emitted from the semiconductor light emitting element 210 can efficiently irradiate the inside of the refrigerator compartment 102 and illuminate the interior brightly.
- the optical axis B of the semiconductor light emitting element 210 is inclined toward the opening side from the transmission axis A of the transmission part 221, the depth of the recessed part 120 can be reduced, and the deterioration of the heat insulating performance of the refrigerator can be suppressed. it can.
- the present invention is not limited to the above embodiment.
- the semiconductor light emitting element 210 may be arranged without providing the recessed portion 120 on the inner wall surface of the main box body 101, and the periphery thereof may be covered with a cover member 220.
- the transmission part 221 is arranged so that the transmission axis A is inclined to the back side D from the inner wall axis C. Further, the transmission part 221 is arranged so that the transmission axis A is inclined to the back side D with respect to the optical axis B of the semiconductor light emitting element 210.
- the inside of the refrigerator 100 can be efficiently illuminated by the cooperation of the semiconductor light emitting element 210 and the transmission part 221.
- one end portion in the depth direction of the transmission portion 221 may be disposed inside the recessed portion 120.
- etc., Protrudes inward of the refrigerator 100 can be suppressed, and the inner space of the main box 101 can be ensured widely.
- the semiconductor light emitting element 210 and the cover member 220 may be arranged on the inner wall, and may be arranged not only on the inner wall that hits the ceiling as in the present embodiment, but also on the inner wall that hits the side wall or the inner wall that hits the floor. Good. Further, the semiconductor light emitting element 210 and the cover member 220 may be disposed not only in the refrigerator compartment 102 but also in the freezer compartment 103, the vegetable compartment 104, the ice making room 105, and the switching room 106.
- FIG. 9 is a plan view showing the sub-box body forming the refrigerator compartment from the front.
- FIG. 10 is a plan view showing the sectional state of the sub-box body forming the refrigerator compartment from the side.
- FIG. 11 is a plan view showing a cross section of the lighting unit arranged on the inner wall of the main box from the side.
- the illumination unit 200 is a unit that illuminates the inside of the main box 101, and includes a semiconductor light emitting element 210, a substrate 223, an intermediate member 240, and a cover member 220. .
- the cover member 220 is a member that blocks the semiconductor light emitting element 210 from the atmosphere inside the main box body 101. Accordingly, even when moist air enters the inside of the main box 101, it is possible to avoid dew from adhering to the semiconductor light emitting element 210 and the substrate 223 to which the semiconductor light emitting element 210 is attached.
- the cover member 220 is a plate-like member that covers the inner side of the main box body 101 of the semiconductor light emitting element 210, and is a member obtained by molding a resin.
- the pedestal 230 is a member that is attached to the inner wall of the main box body 101 and holds the semiconductor light emitting element 210 via the substrate 223.
- the pedestal 230 is integrally provided with the shielding member 224.
- the shielding member 224 is hatched differently from the other parts of the pedestal 230, but this is to clarify the part that functions as the shielding member 224. It does not indicate that the materials are different.
- the pedestal 230 includes a flange portion 231 that projects outward.
- the flange portion 231 is a portion that is connected in contact with the peripheral edge of the hole 232 provided in the inner box 171 when the main box body 101 is manufactured.
- the inner box 171 can be made into a shape which is easy to mold.
- the pedestal 230 since the pedestal 230 is relatively small, it can be easily formed into a complicated shape, and the shielding member 224 can be easily formed integrally.
- a heat insulating material (not shown) is filled between the inner box 171 and the outer box (not shown) with the pedestal 230 attached, and the flange portion 231 is It has the function to resist the force when foaming is filled with a heat insulating material.
- the substrate 223 is a plate-like member to which the semiconductor light emitting element 210 is attached, and is a member provided with wiring for supplying power to the semiconductor light emitting element 210.
- the substrate 223 is disposed such that the inner wall surface A on which the semiconductor light emitting element 210 is disposed and the plate surface F, which is the surface of the substrate 223 to which the semiconductor light emitting element 210 is attached, are parallel to each other.
- the substrate 223 has an elongated band shape extending in the width direction of the refrigerator 100, and a plurality of semiconductor light emitting elements 210 are attached thereto.
- the semiconductor light emitting element 210 is a light emitting element that generates light and emits light toward the inner side of the main box body 101, and an optical axis B that is a central axis of light emitted from the semiconductor light emitting element 210 is an inner wall surface A. It is arrange
- the semiconductor light emitting element 210 employs an LED (Light Emitting Diode), and includes an element body 211 and a lead wire 212 provided so as to protrude from the element body 211.
- the semiconductor light emitting device 210 is arranged in a state of being housed in a recessed portion 120 provided in a recessed shape on a ceiling portion that is one of the inner walls of the main box body 101.
- the semiconductor light emitting element 210 is in a state where two lead wires 212 (only one is shown in the figure) are extended along the optical axis B from the bottom of the bullet-shaped element body 211.
- the lead wire 212 is bent as shown in FIG.
- the overall thickness can be reduced particularly when the semiconductor light emitting element 210 is attached to the substrate 223.
- the thickness of the entire 200 can also be reduced. Accordingly, it is possible to suppress a decrease in the internal volume of the refrigerator 100 due to the attachment of the lighting unit 200.
- the lighting unit 200 is embedded in the inner wall of the refrigerator 100, it is possible to suppress a decrease in the heat insulating performance of the refrigerator 100.
- FIG. 13A and 13B are views showing the intermediate member, wherein FIG. 13A is a plan view showing a cross section of the intermediate member from the side (direction shown in FIG. 12), and FIG. 13B is a plan view showing the intermediate member from the front. is there.
- the intermediate member 240 is a member that protects the lead wire 212 of the semiconductor light emitting element 210 and fixes the element body 211 to the substrate 223.
- the intermediate member 240 is inserted with the two lead wires 212 separately.
- Two insertion holes 243 are provided. In this manner, by inserting the plurality of lead wires 212 into the separate insertion holes 243, a short circuit between the lead wires 212 can be prevented.
- the insertion hole 243 has a larger diameter than the lead wire 212.
- the insertion hole 243 is in a state where there is almost no gap when the lead wire 212 is inserted. In this way, by making the intermediate member 240 hold the lead wire 212, the disconnection of the lead wire 212 and the like can be suppressed.
- the intermediate member 240 includes a first surface 241 that contacts the plate surface F of the substrate 223 on one end surface thereof, and contacts the element main body 211 on the other surface to determine the direction of the optical axis B of the semiconductor light emitting device 210. Two surfaces 242 are provided. As a result, the intermediate member 240 is interposed between the substrate 223 and the element body 211, whereby the inclination of the optical axis B with respect to the substrate 223 is determined by the angle of the second surface 242 with respect to the first surface 241.
- the intermediate member 240 is interposed between the substrate 223 and the element body 211, so that the position of the element body 211 is fixed with respect to the substrate 223. Thereby, it is possible to prevent the element main body 211 from greatly vibrating with respect to the substrate 223. For example, even when the refrigerator 100 vibrates due to vibration of a compressor or the like, the element main body 211 can be prevented from unintentionally shaking and in a stable state. Thus, the inside of the refrigerator 100 can be illuminated. In addition, since the positional relationship between the substrate 223 and the element main body 211 is stabilized, the mechanical load applied to the lead wire 212 provided in a bridge between the substrate 223 and the element main body 211 can be suppressed, and the lead wire 212 is broken. This can be suppressed.
- the substrate 223 in parallel with the inner wall surface A, it is possible to suppress a decrease in the internal volume of the refrigerator 100 and a decrease in heat insulation performance when the substrate 223 is disposed in the recessed portion 120. Further, by arranging the semiconductor light emitting element 210 so that the optical axis B is inclined with respect to the plate surface F of the substrate 223, light is irradiated from the vicinity of the opening of the refrigerator 100 toward the back side while maintaining the above-described effects. It becomes possible to do. Furthermore, by using the intermediate member 240, the lead wire 212 can be protected, and the element body 211 can be stabilized with respect to the substrate 223. As a result, it is possible to prevent the lead wire 212 from being unintentionally disconnected or short-circuited, and to avoid a phenomenon in which the element body 211 greatly shakes due to vibration of a compressor or the like and the illumination flickers.
- the semiconductor light emitting element 210 may be disposed without providing the recessed portion 120 on the inner wall surface of the main box body 101, and the periphery thereof may be covered with a cover member 220. Even in this case, the substrate 223 is attached so as to be parallel to the inner wall surface A, and the semiconductor light emitting element 210 is arranged such that the optical axis B is inclined to the back side (arrow D in FIG. 14) with respect to the inner wall axis C of the inner wall surface A. Is arranged.
- the semiconductor light emitting device 210 may be a chip-type semiconductor light emitting device 210 that is surface-mounted on the substrate 223 as well as the one connected to the substrate 223 with the lead wires 212 bent.
- the semiconductor light emitting element 210 is attached perpendicularly to the plate surface of the substrate 223, but the optical axis B is inclined to the back side (arrow D in FIG. 14) with respect to the normal line of the plate surface F of the substrate 223.
- a suitable semiconductor light emitting element 210 may be selected.
- the intermediate member 240 may be considered not to exist, and the intermediate member 240 is considered to be integral with the element body 211 of the semiconductor light emitting element 210. Also good.
- the semiconductor light emitting element 210 and the cover member 220 may be arranged on the inner wall, and may be arranged not only on the inner wall that hits the ceiling as in the present embodiment, but also on the inner wall that hits the side wall or the inner wall that hits the floor. Good. Further, the semiconductor light emitting element 210 and the cover member 220 may be disposed not only in the refrigerator compartment 102 but also in the freezer compartment 103, the vegetable compartment 104, the ice making room 105, and the switching room 106.
- FIG. 15 is a plan view showing the sub-box body forming the refrigerator compartment from the front.
- FIG. 16 is a plan view schematically showing a cross-sectional state of the sub-box body forming the refrigerator compartment from above.
- the lighting unit 200 is embedded in recessed portions 120 provided on both side walls which are one of the inner walls of the main box body 101.
- FIG. 17 is a plan view showing a cross section of the lighting unit arranged on the inner wall of the main box from above.
- the illumination unit 200 is a unit that illuminates the inside of the main box 101 and includes a semiconductor light emitting element 210 and a cover member 220.
- FIG. 18 is a perspective view schematically showing the cover member from the inside.
- the cover member 220 is a member that blocks the semiconductor light emitting element 210 from the atmosphere inside the main box body 101. Accordingly, even when moist air enters the inside of the main box 101, it is possible to avoid dew from adhering to the semiconductor light emitting element 210 and the substrate 223 to which the semiconductor light emitting element 210 is attached.
- the cover member 220 is a plate-like member that covers the inner side of the main box body 101 of the semiconductor light emitting element 210, and is a member obtained by molding a resin.
- the cover member 220 includes a transmission part 221, a shielding member 224, and a support part 222.
- the transmission part 221 is a part of the cover member 220 that transmits the light radiated from the semiconductor light emitting element 210 and has an axis perpendicular to the outer surface of the transmission part facing inward of the main box body 101 as shown in FIG. Is a portion arranged so as to be inclined to the back side (arrow D side in FIG. 17) from the axis perpendicular to the inner wall surface on which the semiconductor light emitting element 210 is arranged.
- the transmission part 221 is made of a transparent resin that can transmit visible light.
- the shielding member 224 is a member that is disposed closer to the opening side of the refrigerator 100 (the arrow E side in FIG. 17) than the transmission portion 221 and makes the inside of the cover member 220 difficult to see from the user of the refrigerator.
- the shielding member 224 is integrated with the cover member 220 and also has a function of supporting the transmission part 221 with respect to the main box body 101.
- the shielding member 224 is manufactured by two-color molding together with the transmission part 221 and a support part 222 described later, and is made of a material that does not transmit visible light, such as the transmission part 221, and the transmission part 221. It is united with.
- the cover member 220 as a shielding member 224 with a material that does not transmit visible light
- the inner side of the cover member 220 is completely obstructed by the user of the refrigerator 100. Can be made difficult to see.
- it is also possible to color the shielding member 224 it is possible to increase the degree of freedom of design creation and improve the aesthetics of the refrigerator when the door is opened.
- the shielding member 224 blocks light reaching the eyes of the user of the refrigerator 100 from the semiconductor light emitting device 210, the user is prevented from feeling dazzling, and an object stored inside the refrigerator 100 is shown brighter. It becomes possible.
- the shielding member 224 includes an upright portion 225 (see FIG. 17) that protrudes inward from the inner wall surface A of the refrigerator 100.
- the standing portion 225 makes it difficult to see the inside of the cover member 220 in a wide range even when the standing position and line of sight of the user of the refrigerator 100 are different. In addition, it is possible to expand the range that the user does not feel dazzling.
- the support part 222 is a part of the cover member 220 that is attached to the main box body 101 and supports the transmission part 221 with respect to the main box body 101.
- the support part 222 is integrally formed with the transmission part 221 by molding resin.
- the semiconductor light emitting element 210 is a light emitting element that generates light and emits light toward the inside of the main box 101.
- the semiconductor light emitting element 210 employs an LED (Light Emitting Diode), and a plurality of semiconductor light emitting elements 210 are mounted side by side on a thin and elongated rectangular substrate 223.
- the semiconductor light emitting element 210 is arranged in a state of being housed in a recessed portion 120 (see FIG. 17) provided in a recessed shape on the inner wall of the main box body 101.
- the semiconductor light emitting element 210 is arranged so that the optical axis, which is the central axis of the light emitted from the semiconductor light emitting element 210, is directed toward the front (arrow E in FIG. 17) with respect to the normal line of the outer surface of the transmission portion 221.
- the semiconductor light emitting element 210 is disposed in the same direction as the optical axis and the normal line, or the optical axis is directed toward the front (arrow E in FIG. 17) from the normal line.
- the semiconductor light emitting device 210 is arranged so that the optical axis is in the back of the normal line (arrow D in FIG. 17)
- a part of the light emitted from the semiconductor light emitting device 210 is blocked by the support portion 222 of the cover member 220. This is because the inside of the main box 101 cannot be efficiently illuminated.
- the semiconductor light emitting element 210 is arranged so that the optical axis faces the front of the normal line, the semiconductor light emitting element 210 is arranged inside the recessed part 120 even if the depth of the recessed part 120 is reduced. This is because a decrease in the heat insulation performance of the refrigerator 100 can be suppressed.
- the cover member 220 that covers the semiconductor light emitting element 210 having the optical axis directed from the vicinity of the opening of the main box body 101 to the back side is integrally provided with the shielding member 224 that shields visible light, thereby providing a cover. It becomes possible to block the line of sight of the user of the refrigerator 100 to the inside of the member 220. Therefore, it is possible to prevent a decrease in the aesthetics of the refrigerator 100 with the heat insulating door 107 opened. Moreover, since it can suppress that light enters directly from the illumination unit 200 into the eyes of the user who looks at the thing stored in the refrigerator 100 inside, it is avoided that a user's pupil becomes unnecessarily small. This makes it possible to brighten the stored items.
- Embodiment 4 Next, another embodiment of the refrigerator 100 according to the present invention will be described.
- Constituent elements and parts similar to those of the third embodiment may be given the same reference numerals and description thereof may be omitted.
- FIG. 19 is a plan view showing a cross section of the lighting unit arranged on the inner wall of the main box from above.
- FIG. 20 is a perspective view schematically showing the lighting unit before assembling the main box body and the state in the vicinity thereof.
- the lighting unit 200 includes a semiconductor light emitting element 210, a cover member 220, and a pedestal 230.
- the cover member 220 is a plate-like member made of a resin that transmits visible light. Therefore, a portion that transmits light emitted from the semiconductor light emitting element 210 is a transmission portion 221.
- the cover member 220 attached to the inner wall of the refrigerator 100 is partially covered with the shielding member 224 (see FIG. 19), the portion not covered with the shielding member 224 becomes the transmission portion 221.
- the base 230 is a member that is attached to the inner wall of the main box 101 and holds the semiconductor light emitting element 210.
- the pedestal 230 is integrally provided with the shielding member 224.
- the shielding member 224 is hatched differently from the other parts of the pedestal 230, but this is to clarify the part that functions as the shielding member 224. It does not indicate that the materials are different.
- the pedestal 230 includes a flange portion 231 that projects outward. As shown in FIG. 20, the flange portion 231 is a portion that is connected in contact with the peripheral edge of the hole 232 provided in the inner box 171 when the main box body 101 is manufactured. By doing in this way, the inner box 171 can be made into a shape which is easy to mold. On the other hand, since the pedestal 230 is relatively small, it can be easily formed into a complicated shape, and the shielding member 224 can be easily formed integrally.
- the heat insulating material 173 is filled between the inner box 171 and the outer box 172 with the pedestal 230 attached, and the flange portion 231 is filled with the heat insulating material 173 and foamed. It has a function that resists the power of doing.
- the position of the transmission part 221 is determined by the position of the shielding member 224, but the shielding member 224 is closer to the opening side of the refrigerator 100 (the arrow E side in FIG. 19) than the transmission part 221. There is no change in being arranged. Further, the shielding member 224 is integrated with the pedestal 230 and has a function as a support when the cover member 220 is attached.
- the shielding member 224 is integrally formed with the pedestal 230 and is made of a material that does not transmit visible light together with the pedestal 230.
- the shielding member 224 As described above, by using a part of the pedestal 230 as the shielding member 224, the following effects can be obtained in addition to the operational effects shown in the first embodiment. That is, by providing the shielding member 224 on the pedestal 230 that is generally used, it is possible to reduce the number of parts of the refrigerator 100 and contribute to a reduction in the number of assembly steps of the refrigerator 100 and a reduction in cost.
- the semiconductor light emitting element 210 may be arranged without providing the recessed portion 120 on the inner wall surface of the main box body 101, and the periphery thereof may be covered with a cover member 220. Even in this case, the shielding member 224 that makes it difficult to see the inside of the cover member 220 closer to the opening side of the refrigerator 100 than the transmission portion 221 may be provided. Further, the portion of the cover member 220 that has irregularities for irregularly reflecting light may be used as the shielding member 224 without changing the material of the cover member 220 at all.
- the satin finish will be a part having the function of the shielding member 224.
- a method of using a part of the surface of the cover member 220 as a satin finish a method of using a corresponding part of a mold for molding the cover member 220 as a satin finish and transferring the satin finish of the mold may be used.
- a method of roughening a part of the cover member 220 having a flat surface by shot peening or the like may be used.
- the side wall on the opening side of the pedestal 230 is inclined toward the inside of the recessed portion 120, and the shielding member 224 protrudes from the end of the side wall toward the opening side. May be provided. Thereby, the volume of the recessed part 120 can be reduced and it becomes possible to suppress the fall of the heat insulation performance of the refrigerator 100.
- the semiconductor light emitting element 210 and the cover member 220 may be disposed on the inner wall, and may be disposed not only on the inner wall that hits the side wall as in the present embodiment, but also on the inner wall that hits the ceiling or the inner wall that hits the floor. Good. Further, the semiconductor light emitting element 210 and the cover member 220 may be disposed not only in the refrigerator compartment 102 but also in the freezer compartment 103, the vegetable compartment 104, the ice making room 105, and the switching room 106.
- the present invention can be used for a refrigerator.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
Description
以下、本願発明に係る冷蔵庫の実施の形態について、図面を参照しながら説明する。
図9は、冷蔵室を形成する副箱体を正面から示す平面図である。
図15は、冷蔵室を形成する副箱体を正面から示す平面図である。
次に、本願発明にかかる冷蔵庫100の他の実施の形態を説明する。なお、上記実施の形態3と同様の機能を有する部分は同一の符号を付して説明を省略する場合がある。上記実施の形態3と同様の構成要素や部分についても同一の符号を付して説明を省略する場合がある。
101 主箱体
102 冷蔵室
103 冷凍室
104 野菜室
105 製氷室
106 切換室
107 断熱扉
108 前板
110 棚板
120 凹陥部
171 内箱
172 外箱
173 断熱材
200 照明ユニット
210 半導体発光素子
211 素子本体
212 リード線
220 カバー部材
221 透過部
222 支持部
223 基板
224 遮蔽部材
225 起立部
230 台座
231 フランジ部
232 孔
240 中間部材
241 第一面
242 第二面
243 挿通孔
Claims (9)
- 前面に開口部を有する主箱体と、前記主箱体の内壁に配置され前記主箱体内方に光を放射する半導体発光素子と、前記半導体発光素子を前記主箱体内方の雰囲気から遮断するカバー部材とを備える冷蔵庫であって、
前記カバー部材は、
前記半導体発光素子が放射する光を透過させる板状の透過部であって、前記主箱体内方に面する当該透過部の外面に垂直な軸である透過軸が前記半導体発光素子の配置される内壁面に垂直な軸である内壁軸よりも奥側に傾くように配置される透過部と、
前記主箱体に取り付けられ、前記主箱体に対して前記透過部を支持する支持部とを備え、
前記半導体発光素子は、光軸が前記透過軸と同方向、または、前記透過軸より開口部側に向くように配置される
冷蔵庫。 - さらに、
前記主箱体の内壁に陥没状に設けられ、前記半導体発光素子が収容される凹陥部を備え、
前記透過部の奥行き方向の一部は、前記凹陥部の内方に配置される
請求項1に記載の冷蔵庫。 - 前面に開口部を有する主箱体と、前記主箱体の内壁の開口部近傍に配置され前記主箱体の奥側に向けて光を放射する半導体発光素子とを備える冷蔵庫であって、
前記半導体発光素子が放射する光を透過させる透過部を有し、前記半導体発光素子を前記主箱体内方の雰囲気から遮断するカバー部材と、
前記透過部よりも当該冷蔵庫の開口部側に配置され、前記カバー部材の内方を見えにくくする遮蔽部材と
を備える冷蔵庫。 - さらに、
前記主箱体の内壁に取り付けられて前記半導体発光素子を保持する台座であって、前記遮蔽部材が一体に設けられる台座
を備える請求項3に記載の冷蔵庫。 - 前記遮蔽部材は、前記カバー部材に一体に備えられる
請求項3に記載の冷蔵庫。 - 前記遮蔽部材は、前記カバー部材の表面の一部に光が乱反射する凹凸が設けられる部分である
請求項5に記載の冷蔵庫。 - 前記遮蔽部材は、前記透過部とは異なる材質で構成される
請求項5に記載の冷蔵庫。 - 前面に開口部を有する主箱体と、前記主箱体の開口部近傍の内壁に配置され前記主箱体内方に光を放射する半導体発光素子と、前記半導体発光素子を前記主箱体内方の雰囲気から遮断するカバー部材とを備える冷蔵庫であって、
前記半導体発光素子が取り付けられ、前記半導体発光素子に電力を供給するための配線が設けられる板状の基板であって、前記半導体発光素子の配置される内壁面と前記半導体発光素子が取り付けられる前記基板の面である板面とが平行となるように配置される基板を備え、
前記半導体発光素子は、光軸が前記内壁面に垂直な軸である内壁軸よりも奥側に傾くように配置される
冷蔵庫。 - 前記半導体発光素子は、
素子本体と、
前記素子本体から突出状に設けられるリード線とを備え、
当該冷蔵庫はさらに、
前記リード線を保護し、前記基板に対し前記素子本体を固定する中間部材
を備える請求項8に記載の冷蔵庫。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16163000.9A EP3081886B1 (en) | 2010-03-03 | 2011-02-28 | Refrigerator |
US13/581,712 US20130027906A1 (en) | 2010-03-03 | 2011-02-28 | Refrigerator |
EP11750359.9A EP2543945A4 (en) | 2010-03-03 | 2011-02-28 | FRIDGE |
CN201180009129.3A CN102753922B (zh) | 2010-03-03 | 2011-02-28 | 冷藏库 |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010-046442 | 2010-03-03 | ||
JP2010047164A JP2011179795A (ja) | 2010-03-03 | 2010-03-03 | 冷蔵庫 |
JP2010-047197 | 2010-03-03 | ||
JP2010-047164 | 2010-03-03 | ||
JP2010046442A JP5620695B2 (ja) | 2010-03-03 | 2010-03-03 | 冷蔵庫 |
JP2010047197A JP2011179797A (ja) | 2010-03-03 | 2010-03-03 | 冷蔵庫 |
Publications (1)
Publication Number | Publication Date |
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WO2011108246A1 true WO2011108246A1 (ja) | 2011-09-09 |
Family
ID=44541916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/001145 WO2011108246A1 (ja) | 2010-03-03 | 2011-02-28 | 冷蔵庫 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20130027906A1 (ja) |
EP (2) | EP3081886B1 (ja) |
CN (1) | CN102753922B (ja) |
TW (1) | TWI541480B (ja) |
WO (1) | WO2011108246A1 (ja) |
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EP2594880A3 (en) * | 2011-11-18 | 2017-01-18 | Lg Electronics Inc. | Refrigerator |
JP2017168321A (ja) * | 2016-03-16 | 2017-09-21 | パナソニックIpマネジメント株式会社 | 照明器具 |
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KR102624852B1 (ko) | 2018-12-11 | 2024-01-15 | 삼성전자주식회사 | 냉장고 |
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CN214537056U (zh) * | 2020-10-21 | 2021-10-29 | 博西华电器(江苏)有限公司 | 具有照明模块的制冷器具 |
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EP4119876A1 (de) * | 2021-07-16 | 2023-01-18 | BSH Hausgeräte GmbH | Haushaltskältegerät mit einem innenbehälter und einem daran angeordneten lichtquellenmodul, welches eine spezifische lichtaustrittskante aufweist |
Also Published As
Publication number | Publication date |
---|---|
EP2543945A4 (en) | 2015-10-07 |
TW201144725A (en) | 2011-12-16 |
TWI541480B (zh) | 2016-07-11 |
EP2543945A1 (en) | 2013-01-09 |
CN102753922B (zh) | 2015-05-13 |
US20130027906A1 (en) | 2013-01-31 |
CN102753922A (zh) | 2012-10-24 |
EP3081886A1 (en) | 2016-10-19 |
EP3081886B1 (en) | 2021-05-05 |
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