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Refrigerator

A technology for refrigerators and storage rooms, which is applied in the field of refrigerators and can solve problems such as not considering the storage status

Active Publication Date: 2013-12-11
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] However, in such a conventional refrigerator, the amount of storage items such as food to be stored and the storage state of the so-called arrangement are not considered.

Method used

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no. 1 Embodiment approach ）

[0046] Below, based on Figure 1 to Figure 20 The accompanying drawings illustrate the first embodiment of the present invention.

[0047] figure 1 It is a front view of refrigerator 100 of 1st Embodiment of this invention. figure 2 is a control block diagram of the refrigerator 100 . Figure 3A Is the refrigerator 100 figure 1 3A-3A sectional view. Figure 3B It is a front view when the refrigerator compartment door 12a of the refrigerator compartment 12 of the refrigerator 100 is opened.

[0048] Such as figure 1 , Figure 3A and Figure 3B As shown, refrigerator 100 includes refrigerator main body 11 . The refrigerator main body 11 is a heat-insulating box including an outer box mainly made of steel plates; an inner box formed of resin such as ABS; and a heat insulating material injected between the outer box and the inner box.

[0049] Such as figure 1 As shown, the refrigerator main body 11 is divided into a plurality of storage rooms by the heat insulation...

no. 2 Embodiment approach ）

[0200] Below, based on Figure 21 to Figure 25 The accompanying drawings illustrate the configuration of refrigerators 200 to 205 according to the second embodiment of the present invention.

[0201] In addition, for the same or similar configurations as those described in the first embodiment, descriptions thereof will be omitted by using the same reference numerals.

[0202] Figure 21 It is a cross-sectional view seen from the side of refrigerator 200 according to the second embodiment of the present invention. Figure 22 It is a figure for demonstrating the state which accommodated the storage object 23h in the back of the refrigerator compartment of this refrigerator 200. FIG. Figure 23A It is a cross-sectional view of an arrangement example of optical sensors 21 of refrigerator 201 according to this embodiment viewed from above. Figure 23B It is a cross-sectional view of an arrangement example of optical sensors 21 of refrigerator 202 according to this embodiment vi...

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Abstract

A refrigerator equipped with: storage compartments which are partitioned by means of insulated walls and an insulated door, and in which storage objects are stored; a light source arranged within a storage compartment; an optical sensor (21) that detects illuminating light emitted from the light source; and a calculation control unit (1) that performs a calculation process on the basis of the detection result of the optical sensor (21). The calculation control unit (1) has: an attenuation rate calculation unit (81) which, on the basis of a standard storage compartment lighting intensity when there are no storage objects in the storage compartments and on the basis of the lighting intensity detected by the optical sensor (21), calculates an attenuation rate from a standard storage compartment lighting intensity when storage objects are stored; and a storage state estimation unit (82) which estimates the storage amount of the storage objects on the basis of the calculation result of the attenuation rate calculation unit (81).

Description

technical field [0001] The present invention relates to a refrigerator provided with means for detecting the storage state of storage items in a box. Background technique [0002] In recent household refrigerators, an indirect cooling method in which a fan is used to circulate cold air in the refrigerator is common. Conventional refrigerators maintain the temperature inside the box at an appropriate temperature by adjusting the control temperature based on the detection result of the temperature inside the box. [0003] For example, a refrigerator provided with a movable cold air discharge device is known as a refrigerator that maintains the temperature inside the cabinet uniformly (for example, refer to Patent Document 1). [0004] Figure 26 It is a front view showing the internal structure of refrigerator compartment 101 of conventional refrigerator 500 . [0005] Such as Figure 26 As shown, in the refrigerator 500, the movable cold air discharge device 102 provided in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25D11/00F25D23/00F25D27/00F25D29/00
CPCF25D27/005F25D2700/06
Inventor 森贵代志柿田健一上迫丰志中川雅至
Owner PANASONIC CORP
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