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Household appliance comprising a lighting device and method for controlling the activation thereof

A technology for lighting devices and refrigeration equipment, which is applied in the direction of lighting devices, lighting devices, lighting and heating equipment, etc., and can solve the problems of not being easy to purchase, inconvenient for users, and reducing the convenience and safety of household equipment

Inactive Publication Date: 2012-03-28
INDESIT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, convenience and safety of household appliances are further reduced due to the need to replace burnt-out lamps several times during the life of the household appliances.
[0009] Since it is not easy to buy these lamps in the market, it also increases the inconvenience that a lamp in these lamps fails to bring to the user

Method used

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  • Household appliance comprising a lighting device and method for controlling the activation thereof
  • Household appliance comprising a lighting device and method for controlling the activation thereof
  • Household appliance comprising a lighting device and method for controlling the activation thereof

Examples

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Embodiment Construction

[0016] It should be noted in advance that the term "voltage value" is often used in the following description: when referring to AC voltage, this term does not refer to the instantaneous voltage value, but to the effective voltage value of one or more periodic AC signals.

[0017] figure 1 A refrigerator-freezer 1 is shown with two units 2; the upper unit 2A for fresh food and the lower unit 2B for frozen food. In upper unit 2A, there are two shelves of different sizes and a drawer. A lighting device for illuminating the upper unit 2A is installed in the refrigerator-freezer 1; figure 1 Draw the bulb of the incandescent lamp 3 used as the lighting device. The two units 2 are closed by means of two doors 20; in particular, the door 20A is used to close the upper unit 2A and the door 20B is used to close the lower unit 2B.

[0018] figure 1 are obviously very schematic and exemplary only; for simplicity and clarity, the figure 1 Many of the units typically contained in a re...

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Abstract

The present invention relates to a household appliance (1) comprising at least one inner compartment (2A), at least one lighting device (3) to illuminate the inner compartment (2A), and a control device (5) to operate the lighting device (3); according to the invention, the control device (5) is adapted to apply a supply voltage being variable in time to the lighting device (3), so as to extend the life of the lighting device (3).

Description

technical field [0001] The invention relates to a domestic appliance according to the preamble of claim 1 and a method for controlling the activation of a lighting device according to the preamble of claim 10 . Background technique [0002] The structure of many household devices contains at least one internal compartment in which we can place the items that we want the household device to fulfill its function. For example, such an internal compartment may be a refrigerator, or freezer, or a refrigerator-freezer unit, where the user places food that needs to be refrigerated or frozen, or a muffle oven, where the user places food that needs to be cooked. The term "refrigerator-freezer" refers to a household appliance in which at least two units of different temperatures are installed, thereby allowing at least two foods in different preservation states to be kept inside the household appliance. Said internal compartments of household appliances are often equipped with lighti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B39/02
CPCF25D27/005H05B39/02
Inventor 瓦丽欧·艾萨保罗·桑托尼克拉布鲁诺·瓦伊那贝瓦莱里亚·阿内莫邦
Owner INDESIT