JP2012202647A - Refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a refrigerator capable of determining whether the refrigerator is in a shop display operation or in a normal operation, and thereby capable of preventing errors.SOLUTION: A refrigerator includes a control means 55 for controlling the refrigerator 21 in a normal mode and in a demonstration mode for shop display, a cooling functional component for cooling the inside of the refrigerator at an appropriate temperature, and an failure display means 45 for indicating failure when the cooling functional component is abnormal. When powered on during the normal mode and the cooling functional component is connected with the control means 55, the control means 55 determines that the refrigerator is normal and does not indicate failure on the failure display means 45. When powered on during the demonstration mode and the cooling functional component is not connected with the control means, the control means indicates failure on the failure display means 45. Accordingly, the control means can be configured by one kind of program instead of two kinds, thereby preventing mistakes when attaching a substrate.

Description

  The present invention relates to a refrigerator, and relates to a refrigerator in which store-front display and normal sales can be identified by one type of program.

  Conventionally, when a refrigerator demo-operated at a store is purchased, in order to cancel the demo operation without complicated work, a demo operation setting means for setting the demo operation of the refrigerator and the set number of times of the set demo are stored. Demo setting number storage means and demo number operation determining means that does not determine the demo operation if the set number is more than the predetermined number of times, so the demo operation number is limited and set to the demo operation many times due to operation mistakes It will not be done.

  In such a refrigerator, it is possible to limit the number of times for the demonstration setting, and to suppress repeating the demonstration operation without restriction even if a mistake is made to change the program from the demonstration operation to the normal operation (see, for example, Patent Document 1). ).

JP 2005-172297 A

  However, it is necessary to manage a program for demo operation that is different from normal operation with a limited number of times for demo operation so that normal operation cannot be repeated due to operational mistakes, and up to a predetermined number of times. Since the operation becomes a demonstration operation due to an operation error, there is a case where the operation is repeated even if it is set to the normal operation.

  The present invention solves the above-described conventional problems, and an object of the present invention is to provide a refrigerator that can determine whether it is a storefront display operation or a normal operation and prevent mistakes.

  In order to solve the above-described conventional problems, the refrigerator of the present invention includes a normal mode, a demonstration mode for store display, a control means for controlling the entire refrigerator, and a cooling function for cooling the refrigerator to an appropriate temperature. In a refrigerator including a component and an abnormality display unit that displays when the cooling functional component is abnormal, when the power is turned on during the normal mode and the cooling functional component is connected to the control unit The control means determines that the control means is normal, does not display an abnormality on the abnormality display means, is turned on during the demonstration mode, and the cooling functional component is not connected to the control means. An abnormality is displayed on the abnormality display means.

  As a result, the store display mode and the normal operation can be configured with a single substrate, so that an incorrect mounting of the substrate can be prevented.

  INDUSTRIAL APPLICABILITY The present invention can realize a refrigerator that can prevent mistakes in mounting a substrate during a storefront demonstration and during normal operation.

Front view of the refrigerator in Embodiment 1 of the present invention Schematic configuration diagram of operation display means in the same embodiment Sectional drawing of the refrigerator in the same embodiment Flowchart performed by the control device in the embodiment

  In the first invention, the normal mode, the demonstration mode for store display, the control means for controlling the entire refrigerator, the cooling functional component for cooling the refrigerator to an appropriate temperature, and the cooling functional component are abnormal. In the refrigerator provided with an abnormality display means for displaying in the case of the above, when the power is turned on during the normal mode and the cooling functional component is connected to the control means, the control means determines that it is normal and the When the power is turned on during the demonstration mode and the cooling functional component is not connected to the control means without displaying an abnormality on the abnormality display means, the control means displays an abnormality on the abnormality display means. Since it can be configured with one type of program, it can be configured with one type of substrate, and installation errors can be prevented.

  In a second aspect of the invention, in particular in the first aspect of the invention, the cooling functional component is frosted on a temperature detecting means for detecting the temperature in the storage, a fan for stirring the air in the storage, or a cooler for cooling the storage. By being a defrosting means for defrosting the frost, it is possible to prevent an incorrect mounting of the substrate.

  In a third aspect of the invention, in particular, in the first aspect of the invention, the abnormality display means is installed on the door of the refrigerator, so that it is possible to prevent incorrect mounting of the substrate.

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

(Embodiment 1)
FIG. 1 is a front view of the refrigerator according to Embodiment 1 of the present invention. In FIG. 1, a refrigerator 21 is a refrigerator having a double-spread door, and includes a plurality of storage compartments in a heat insulating box.

  Specifically, the storage room includes a refrigeration room 22, an ice making room 23, an ice making room 23, a switching room 24, a freezing room 25, and a vegetable room 26 that can change the room temperature. Further, a chilled chamber or a partial chamber (not shown) is provided at the lower right side inside the refrigerator compartment 22 (above the switching chamber 24).

  At the opening of each storage chamber, a heat insulating door filled with a foam heat insulating material such as urethane is provided. Specifically, the refrigerator compartment 22 is provided with a left door 31a and a right door 31b that close the opening of the heat insulating box so as to be opened and closed.

  The ice making room 23, the switching room 24, the freezing room 25, and the vegetable room 26 are drawer-type storage rooms, and are provided with a drawer-type door 32, a door 33, a door 34, and a door 35, respectively.

  A cooler 50 and a fan 51 are provided on the rear side of the freezer compartment 25 and the vegetable compartment 26, and the air cooled from the cooler by driving the compressor 52 installed on the upper part of the main body of the refrigerator 21. (Cold air) is sent to each storage room via a damper. In addition, cooling is controlled to a predetermined temperature for each storage chamber.

A display 40 such as a label indicating the model name of the refrigerator 21 is attached to the upper right side of the right door 31b. Furthermore, the door decorative board 41 is attached to the right door 31b along the end side opposite to the rotation axis of the right door 31b. The operation display means 42 is attached to the door decorative plate 41 from the back side, and the attachment position is a height position that is about the eye level of a general user or worker.

  FIG. 2 is a configuration diagram of the operation display means 42. As shown in FIG. 2, the operation display means 42 includes a display means. The display means displays an operation state display means 43 for displaying an operation state such as whether or not an energy-saving operation is performed in order from the top, an abnormality display means 45 for displaying an abnormality of the refrigerator 21, and a state set by a user. And a plurality of status display means 46. A plurality of operation switches 47 for adjusting the set temperature and switching the operation mode are provided as operation means below the display means.

  Further, an illuminance detection means 44 for detecting the brightness around the refrigerator 21 is provided between the operation state display means 43 and the abnormality display means 45. The illuminance detection means 44 is composed of an optical sensor having a photodiode or a phototransistor built therein.

  The operation state display means 43 and the state display means 46 are configured by light emitting diodes (LEDs). The abnormality display means 45 is configured by arranging two 7-segment LEDs, which are a combination of seven LEDs.

  The operation switch 47 is associated with an upward movement switch, a menu switch, and a downward movement switch in order from the top. For example, when changing the temperature level of the refrigerator compartment 22, the user first presses the menu switch, and the state display means 46 displays “refrigerated” or moves up or down. Operate the switch. Then, in a state where “refrigeration” is displayed on the state display means 46, the menu switch is pressed again to enter a mode for changing the temperature level of the refrigerator compartment 22, and the state display is performed by the up movement switch or the down movement switch. The temperature level is selected by displaying any one of “strong”, “medium”, and “weak” on the means 46 and pressing the menu switch. As described above, the temperature can be adjusted for each room of the storage room by the operation switch 47.

  The operation display means 42 includes an operation display board on which an optical sensor, an LED, an operation display microcomputer (operation display microcomputer), and the like are mounted. The operation display board is provided inside the door decorative plate 41. Yes. Further, a control means is provided on the upper back of the main body of the refrigerator 21. The control means 55 includes a control board on which a control microcomputer (control microcomputer) and the like are mounted. The control means 55 operates and compresses the fan 51 according to the set temperature of the temperature detection means 54 installed indoors. Control of the operation of the machine 52 and control of the defrost heater 53 that defrosts the frost that has formed on the cooler 50 according to the operation time of the compressor 52 are performed.

  FIG. 4 is a flowchart for determining the time of demonstration operation and the time of normal operation.

  When the power is turned on in step S1, it is determined in step S2 whether all sensor inputs such as the temperature detecting means 54 have been released. When the inputs of all the temperature detecting means 54 are released, it is determined in step S3 whether there is a change in the input of the fan 51. If it is determined that there is a change in input, it is determined in step S4 that the refrigerator 21 is an exhibit on display for a storefront demonstration, and in step S5, no self-diagnosis control is performed and no abnormality is displayed. After step S5, a demonstration is displayed on the display board, and the display transitions at regular intervals. Also, cooling operation is not performed.

  If it is determined in step 2 that all sensor inputs have not been opened, it is determined that the product is a normal product for sale, and self-diagnosis control is performed in step S7. If there is an abnormality, an abnormality display is performed, and if there is no abnormality, an abnormality display is not performed.

  Thereby, the storefront display mode and the normal operation can be configured with one substrate, so that it is possible to prevent an incorrect mounting of the substrate.

  As described above, the refrigerator according to the present invention can be configured with the same board because the normal operation mode and the demonstration mode for exhibition can be configured with one type of program, and can be configured with various types and sizes such as home use and business use. Applicable to.

DESCRIPTION OF SYMBOLS 50 Cooler 51 Fan 52 Compressor 53 Defrost heater 54 Temperature detection means 55 Control means

Claims (3)

Normal mode, demo mode for store display, control means for controlling the entire refrigerator, cooling functional components for cooling the inside of the refrigerator to an appropriate temperature, and abnormalities displayed when the cooling functional components are abnormal In a refrigerator provided with a display means, when the power is turned on during the normal mode and the cooling functional component is connected to the control means, the control means determines that it is normal and displays an abnormality on the abnormality display means. In the refrigerator, when the power is turned on during the demonstration mode and the functional component for cooling is not connected to the control means, the control means displays an abnormality on the abnormality display means. The cooling functional component is temperature detecting means for detecting the temperature in the storage, a fan for stirring the air in the storage, or a defrosting means for defrosting frost formed on a cooler for cooling the storage. The refrigerator according to claim 1. The refrigerator according to claim 1, wherein the abnormality display means is installed on a door of the refrigerator.