JP2005164196A - Refrigerator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the disadvantages that a compartment light lighting method lights a compartment light even when a user, for example, forgets to shut a door to leave the door open only slightly, and lights the compartment light at the time and in the position both unintended by the user, and that it can not illuminate only a position desired by the user. <P>SOLUTION: A volume resistor 18 is mounted on a door hinge part to detect the opening angle of a refrigeration compartment door. If the door opening angle is below a fixed value Q, only a compartment light 11a is lit on the assumption that the user will pick or put an article from or on an shelf on the refrigeration compartment door. If the door opening angle is not less than the fixed value Q, only a compartment light 11b is lit on the assumption that the user will pick or put an article from or into the refrigeration compartment. This can realize efficient lighting control of the compartment lights. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a technique for controlling a plurality of interior lamps for improving the functionality of turning on and off the interior lamps in a refrigerator in which the operation of various electronic circuits is controlled by opening and closing the doors.

In a conventional refrigerator, as a method for controlling the lighting of the interior lamp, the refrigerator is equipped with a door switch controlled by opening and closing the door and an electronic circuit for lighting the interior lamp, and one or more interior lamps are provided. What is lit is the mainstream. (For example, see Patent Document 1)
Hereinafter, the conventional method of lighting in the cabinet will be described with reference to the drawings.

  4 is a cross-sectional view of a conventional refrigerator, and FIG. 5 is an enlarged view of a door switch portion of the conventional refrigerator.

  In the figure, 1 is an outer box, 2 is an inner box, and a heat insulating material (not shown) is interposed between the outer box 1 and the inner box 2 to block heat conduction of the outside air. 3 is a cooler attached to the inner surface of the inner box 2, and 4 and 5 are doors that open and close the front openings of the freezer compartment 6 and the refrigerator compartment 7 via hinges 8. 9 is a fan motor that sends cold air to the freezer compartment 6 and the refrigerator compartment 7 when the doors 4 and 5 are both closed, and 10 is a partition plate that partitions the freezer compartment 6 and the refrigerator compartment 7. , 11 are arranged on the inner surface of the inner box 2 at the same height as the partition plate 10 at a position where the freezer compartment 6 and the refrigerator compartment 7 can be illuminated. It is an interior lamp that lights up when either one is opened. There is a flow passage 12 for sending cold air from the freezer compartment 6 to the refrigerating compartment 7 by the fan motor 9, and there are a fan switch 13 and a lamp switch 14 arranged in the front design part of the partition plate 10, respectively, a common contact a and a switching contact b, c. Reference numerals 15 and 16 denote pressing plates provided on the doors 4 and 5 at positions where the fan switch 13 and the lamp switch 14 are pressed when the doors 4 and 5 are closed. There are 17 handles for the doors 4 and 5.

  About the refrigerator comprised as mentioned above, the operation | movement is demonstrated below.

First, when the doors 4 and 5 are closed, the push plates 15 and 16 shown in FIG. 5 press the fan switch 13 and the lamp switch 14, and the circuit is configured as shown in FIG. ab is closed), and the fan motor 9 is energized. However, at this time, the lamp switch 14 is turned off (the contact ab is opened), and the interior lamp 11 is not lit. Next, when only the door 4 is opened, the push plate 15 is separated from the fan switch 13, so the fan switch 13 is turned off and the fan motor 9 is stopped. However, the interior lamp 11 is lit. Next, when only the door 5 is opened, since the fan motor 9 is not energized, it is stopped and only the interior lamp 11 is lit. Next, when both the doors 4 and 5 are opened, the fan motor 9 is stopped and only the interior lamp 11 is lit.
JP-A-5-87431

  However, in the conventional refrigerator, since the lighting of the interior lamp is controlled by the fan switch 13 and the lamp switch 14, the interior lamp is turned on even if the user opens the door slightly because of forgetting to close the door. There is a drawback that the interior lamp is lit when the user does not intend. Another drawback is that it does not fully fulfill the function of properly illuminating the places that users really want to see.

  This invention solves the conventional subject, and it aims at controlling the lighting state of the interior lamp according to the opening degree of a door.

  In order to solve the above problems, the refrigerator of the present invention has a switch that turns on and off the contacts in conjunction with opening and closing of the doors in each room, a volume resistor attached to the hinge of the refrigerator compartment, and the opening and closing of each door. The open / close angle of the refrigerator compartment door is detected by the volume resistance, and a plurality of interior lamps provided in the refrigerator compartment are turned on according to the open / close angle of the refrigerator compartment door. Switch

  According to the refrigerator of the present invention, since the conventional switch is a volume resistor, lighting control of a plurality of interior lights can be realized according to the opening degree of the refrigerator compartment door, and efficient lighting control of the interior lights can be realized. .

  The invention of the refrigerator according to claim 1 is a switch for turning on and off the contact in conjunction with opening and closing of the door of each room, a volume resistor mounted on the hinge of the refrigerator compartment, and in conjunction with opening and closing of each door. The open / close angle of the refrigerator compartment door is detected by the volume resistance, and lighting of a plurality of interior lamps provided in the refrigerator compartment is switched according to the open / close angle of the refrigerator compartment door.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, about the same structure as the past, the same code | symbol is attached | subjected and detailed description is abbreviate | omitted. Further, the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a block diagram of a control mode according to Embodiment 1 of the present invention. FIG. 2 is a schematic diagram of the refrigerator according to the first embodiment. FIG. 3 is a flowchart showing an operation when the door of the refrigerator of the first embodiment is opened.

  As shown in FIG. 2, the present invention is arranged in the refrigerator compartment door 5, the door hinge 8, the volume resistor 18 arranged in the door hinge for detecting the door opening degree of the refrigerator compartment, and the refrigerator compartment door 5. It is comprised by the interior lamp 11a and the interior lamp 11b arrange | positioned at the refrigerator compartment 7. FIG. As the volume resistor 18 arranged on the door hinge, one having an accuracy of about ± 5% is preferable from the practical point of view, and the interior lamp 11a arranged on the refrigerator compartment door 5 is preferably about 10 W from the practical point of view. The interior lamp 11b disposed in the refrigerator compartment 7 is preferably about 15 W from the viewpoint of illuminating the entire interior of the interior.

  As the volume resistor 18 arranged at the door hinge, a rotary encoder can also be applied because it detects the door opening.

  About the refrigerator comprised as mentioned above, the operation | movement is demonstrated below.

  In FIG. 3, first, when the door opening of the refrigerator compartment door 5 is less than a certain angle Q, the user thinks that the user puts in and out the shelf of the refrigerator compartment door 5, and the interior lamp arranged on the refrigerator compartment door 5 11a is turned on, and when the door opening of the refrigerator compartment door 5 is a certain angle Q or more, the user thinks that the user puts in and out the refrigerator compartment 7, and the interior lamp arranged in the refrigerator compartment 7 11b is turned on.

  Therefore, the interior lamp to be turned on is switched according to the opening degree of the refrigerator compartment door 5, and individual lighting control by the door opening degree of the plurality of interior lamps can be realized.

  As described above, the refrigerator according to the present embodiment is disposed in the refrigerator compartment door 5, the door hinge 8, the volume resistor 18 arranged in the door hinge for detecting the door opening degree of the refrigerator compartment, and the refrigerator compartment door 5. The interior lamp 11a and the interior lamp 11b disposed in the refrigerator compartment 7 are used, and a conventional switch is used as a volume resistance. Therefore, lighting control of a plurality of interior lamps can be performed according to the opening degree of the refrigerator compartment door 5. realizable.

  As described above, the refrigerator according to the present invention can realize lighting control of a plurality of interior lights according to the opening of the door, and can realize efficient lighting control of interior lights. It can be widely applied to storage equipment.

The block diagram of Embodiment 1 of the switching of lighting of the some interior lamp in the refrigerator compartment by this invention Schematic of the refrigerator having the function of the first embodiment of switching the lighting of a plurality of interior lights in the refrigerator compartment of the same embodiment The flowchart which shows the operation | movement at the time of the door opening of the refrigerator of the same Embodiment 1 Schematic diagram of a conventional refrigerator Enlarged view of a conventional refrigerator door switch

Explanation of symbols

5 Refrigeration room door 7 Refrigeration room 8 Door hinge part 11a Interior light (for refrigeration room door shelf)
11b Interior light (for refrigerator compartment)
18 Volume resistance

Claims (1)

Equipped with an interior light that illuminates each room in the compartment, which is divided into multiple compartments, a switch that turns on and off the contacts in conjunction with the opening and closing of the door in each room, and a volume resistor attached to the hinge of the refrigerator compartment In the refrigerator, the interior lights in each room are turned on and off in conjunction with the opening and closing of each door, and the opening and closing angle of the refrigerator compartment door is detected by the volume resistance, and the opening and closing angle of the refrigerator compartment door is determined. The refrigerator provided with the control means which switches lighting of the several interior lamp with which the refrigerator compartment was equipped.

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