JP4846279B2 - refrigerator - Google Patents

Description

  The present invention relates to a refrigerator provided with an LED for irradiating a storage room.

  In recent years, LEDs have been used for various products, and some refrigerators have functions such as lighting in a storage room, deodorization and sterilization, and improving the components of food to be stored. As a refrigerator having a deodorizing function, a storage room such as a refrigerating room cooled by cold air generated by a cooler of a refrigeration cycle, a cold air passage for circulating cold air in the storage room, and a forced ventilation device provided in the cold air passage And a photodeodorization catalyst in which a photocatalyst is coated on the surface of a catalyst mainly composed of zeolite in the cold air passage, and an ultraviolet LED for irradiating the photodeodorization catalyst with ultraviolet rays, and air containing odor generated from food in the refrigerator compartment When passing through the photodeodorization catalyst provided in the cold air passage, the odor component is adsorbed on the photodeodorization catalyst and adsorbed on the catalyst surface by a photocatalyst such as titanium oxide on the catalyst surface activated by ultraviolet rays irradiated from the ultraviolet LED. A refrigerator having a function of deodorizing and deodorizing odor has been proposed (see, for example, Patent Document 1).

FIG. 2 is a cross-sectional view showing the structure of a conventional refrigerator with a deodorizing function described in Patent Document 1. As shown in FIG. In FIG. 2, reference numeral 1 denotes a refrigerator compartment provided in the refrigerator 2, and a cold air passage cover 3 that forms a cold air discharge passage is disposed on the back of the refrigerator compartment 1, and 4 denotes air in the refrigerator to the refrigerator refrigerator 5. Reference numeral 6 denotes a return hole, 6 is a cool air return passage for communicating the return hole 4 and the refrigerator cooler 5, and 7 is a honeycomb-like photodeodorization catalyst that uniformly disperses a photocatalyst 9 such as titanium oxide on the surface of the low temperature deodorization catalyst 8. 10 is installed in the vicinity of the photodeodorization catalyst 7 so that the surface of the photocatalyst 9 can be irradiated with ultraviolet rays by an ultraviolet LED, and 11 is a low-temperature deodorization catalyst provided upstream of the photodeodorization catalyst 7, This makes it possible to deodorize air containing odors generated from food.
JP 2003-322460 A

  However, in the above-described conventional configuration, the installation position of the LED that irradiates ultraviolet rays or the like is not exposed to the interior and the possibility that the ultraviolet light is directly irradiated to the interior is low, but it is exposed to the interior. When an LED for irradiating ultraviolet rays or the like is installed at the position and the interior is irradiated with ultraviolet light, there is a possibility that the safety of the user is impaired.

  The present invention solves the above-described conventional problems, and even when ultraviolet light is irradiated in the interior, the user is provided with an LED that emits visible light in conjunction with an LED that emits ultraviolet light. The purpose is to provide a refrigerator with excellent safety by awakening that ultraviolet rays are emitted.

  In order to solve the above-described conventional problems, a refrigerator according to the present invention includes a storage room cooled by cold air generated by a cooler of a refrigeration cycle, a door provided in front of the storage room, and ultraviolet light in the storage room. When the ultraviolet LED is turned on when the door is open, the visible light LED is turned on at the same time. It is characterized by.

  Thereby, when the door is open, the user can be notified that ultraviolet rays are emitted, and safety can be improved.

  The refrigerator of the present invention includes a visible light LED that irradiates visible light in a storage room, and can be lit in synchronization with the ultraviolet LED to notify the user that ultraviolet light is emitted, thereby improving safety. In addition, the visibility in the storage chamber can be improved.

The invention according to claim 1 is independent of a refrigerating room provided in an upper part of a refrigerator and a lower part of the refrigerating room.
And a storage chamber of the pull-out to be cooled by cool air generated by the cooler of the refrigeration cycle provided, a door provided on the front surface of the storage compartment, an ultraviolet LED that irradiates ultraviolet rays to the storage compartment, said In addition to the illuminating lamp that is disposed in the refrigerator compartment and illuminates the refrigerator compartment, the storage compartment is provided with a visible light LED that emits visible light, and the ultraviolet LED and the visible light LED are close to each other, and the storage wherein arranged to illuminate the direction of the door on the rear side of the upper surface of the chamber, together with the turns on the ultraviolet LED regardless of the open or closed state of the door, the visible light LED in a state in which the door is closed extinguished, the that door is lighted simultaneously the visible light LED and the ultraviolet LED in it has an open state, that the ultraviolet light is emitted from the ultraviolet LED, the visible light L Warning is provided by D, and by turning on the visible light LED in synchronization with the ultraviolet LED, the user can be warned that ultraviolet rays are emitted and safety can be improved. .

  According to a second aspect of the present invention, in the first aspect of the present invention, the door switch that can detect the opening and closing of the door of the storage room, and the LED drive control circuit that can control the turning on and off of the LED. And when the door switch detects that the door is closed, the visible light LED is turned off in the LED drive control circuit, and when the door switch detects that the door is open, The LED drive control circuit turns on the visible light LED, and has the effects of improving the safety of the visible light LED and reducing the power consumption of the refrigerator while improving safety.

According to a third aspect of the present invention, in the first aspect of the present invention, the door switch capable of detecting the opening / closing of the door of the storage room, and the LED drive control circuit capable of controlling the turning on / off of the LED. wherein the door switch, even if it is detected that the closed door, is intended to light the ultraviolet LED in the LED drive control circuit.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a block diagram of the refrigerator control device according to Embodiment 1 of the present invention, and shows the configuration and operation of the refrigerator.

  In FIG. 1, a refrigerator 2 includes a storage room 12 such as a refrigeration room that is cooled by cold air generated by a cooler of a refrigeration cycle, an ultraviolet LED 10 that irradiates ultraviolet light into the storage room 12, and is visible in the storage room 12. LED drive control that includes a visible light LED 13 that irradiates light, a door switch 14 that can detect the opening and closing of the door of the storage chamber 12 in the storage chamber 12, and controls turning on / off of the ultraviolet LED 10 and the visible light LED 13 The circuit 15 is provided.

  In addition, the ultraviolet rays referred to here are light rays including the wavelength regions of UV-A and UV-B, and the visible light rays are light rays including a wavelength region that can be recognized by human eyes.

  About the refrigerator 2 comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  First, after the refrigerator 2 is turned on, the ultraviolet LED 10 and the visible light LED 13 are turned on. When the door switch 14 detects that the door of the storage chamber 12 is closed, the visible light LED 13 is turned off by the LED drive control circuit 15 and the door switch 14 opens the door of the storage chamber 12. When it is detected that it is in the lighted state, the visible light LED 13 is turned on by the LED drive control circuit 15.

  If the door switch 14 detects that the door of the storage chamber 12 is closed, the ultraviolet LED 10 is turned on by the LED drive control circuit 15, and the door switch 14 opens the door of the storage chamber 12. When it is detected that the UV LED 10 is in the closed state, the UV LED 10 may be turned off by the LED drive control circuit 15.

  As described above, in the present embodiment, when the door is opened, the ultraviolet LED 10 is turned on, and when the ultraviolet ray is irradiated into the cabinet, the visible light LED is turned on in synchronization with the ultraviolet LED. By doing so, the user can be warned that ultraviolet rays are emitted, and safety can be improved.

  Further, only when the door of the storage room is open, visible light is irradiated to warn the user that ultraviolet light is emitted in the storage room, and when the door is closed, the visible light LED 13 is turned off. By doing so, it is possible to improve the lifetime by reducing the energization time of the visible light LED 13 and to reduce the power consumption of the refrigerator. Moreover, when the door of the storage room is open, turning off the ultraviolet LED prevents the human body from being irradiated with ultraviolet rays, and at the same time improves the life by reducing the ultraviolet LED energization time, Power consumption can be reduced.

  In the present embodiment, the door provided with the door switch 14 has been described as an example. However, in the storage room not provided with the door switch, the visible light LED 13 is always simultaneously provided when the ultraviolet LED 10 is lit. When the door is opened, the visible light LED 13 is also irradiated when the UV LED is irradiated, so the user is warned that the UV light is emitted, and safety is increased. Can be increased.

  Therefore, in a storage room not provided with such a door switch 14, the ultraviolet LED 10 and the visible light LED 13 are turned on at the same time, regardless of whether the door is opened or closed. In the case of lighting, the visible light LEDs are turned on at the same time, which is effective for improving the safety of the user.

  Although this embodiment has been described for each function, there is no problem even if they are used in combination.

  As described above, the refrigerator according to the present invention warns the user that ultraviolet rays are irradiated when the ultraviolet LED provided in the storage chamber is irradiated, and prevents the human body from being exposed to ultraviolet rays. And if it is an apparatus using the light which is harmful not only to a refrigerator but to a human body, such as an ultraviolet-ray, the safety | security of an apparatus can be improved by installing a visible light LED harmless to a human body.

The block diagram of the control apparatus of the refrigerator in Embodiment 1 of this invention Sectional drawing which shows the structure of the refrigerator with the conventional deodorizing function

Explanation of symbols

10 UV LED
12 Storage room 13 Visible light LED
14 Door switch 15 LED drive control circuit

Claims (3)

A refrigerator-type storage room provided at the top of the refrigerator and a drawer-type storage room that is independently provided at the bottom of the refrigerator room and is cooled by the cold air generated by the cooler of the refrigeration cycle, and provided in front of the storage room. In addition to an illumination LED for irradiating the storage room with ultraviolet light, and a illuminating lamp disposed in the refrigeration room for illuminating the refrigeration room, a visible light LED for irradiating the storage room with visible light. , in close proximity to the ultraviolet LED and the visible light LED, arranged to illuminate the direction of the door on the rear side of the upper surface within the storage compartment, the ultraviolet LED regardless of the open or closed state of the door together is turned, the door off the visible light LED in a state where is closed, the door that is lighted at the same time the visible light LED and the ultraviolet LED in it has an open state, the That out ultraviolet rays outside line LED, a refrigerator, characterized in that a warning by the visible light LED.   When a door switch that can detect the opening and closing of the door of the storage room and an LED drive control circuit that can control the turning on and off of the LED, and the door switch detects that the door is closed The visible light LED is turned off by the LED drive control circuit, and when the door switch detects that the door is open, the visible light LED is turned on by the LED drive control circuit. The refrigerator according to claim 1. Even when the door switch that can detect the opening and closing of the door of the storage room and the LED drive control circuit that can control the lighting and extinction of the LED, even when the door switch detects that the door is closed the refrigerator according to claim 1, characterized in that lighting the ultraviolet LED in the LED drive control circuit.

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