EP3086059B1 - Appareil frigorifique ménager et procédé de fonctionnement d'un appareil frigorifique ménager - Google Patents

Appareil frigorifique ménager et procédé de fonctionnement d'un appareil frigorifique ménager Download PDF

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Publication number
EP3086059B1
EP3086059B1 EP16161912.7A EP16161912A EP3086059B1 EP 3086059 B1 EP3086059 B1 EP 3086059B1 EP 16161912 A EP16161912 A EP 16161912A EP 3086059 B1 EP3086059 B1 EP 3086059B1
Authority
EP
European Patent Office
Prior art keywords
component
air pressure
door leaf
coolable interior
closed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16161912.7A
Other languages
German (de)
English (en)
Other versions
EP3086059A1 (fr
Inventor
Adolf Heydel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Publication of EP3086059A1 publication Critical patent/EP3086059A1/fr
Application granted granted Critical
Publication of EP3086059B1 publication Critical patent/EP3086059B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/003—Arrangement or mounting of control or safety devices for movable devices
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/70—Power-operated mechanisms for wings with automatic actuation
    • E05F15/71—Power-operated mechanisms for wings with automatic actuation responsive to temperature changes, rain, wind or noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • F25D17/047—Pressure equalising devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/028—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • F25D25/024—Slidable shelves
    • F25D25/025—Drawers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/04—Charging, supporting, and discharging the articles to be cooled by conveyors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/02—Details of doors or covers not otherwise covered
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/02—Sensors detecting door opening

Definitions

  • the invention relates to a household refrigerator with an interior, an auxiliary device for opening a door leaf or a drawer of the household refrigerator, and a refrigeration device, which is provided for cooling the interior.
  • the invention also relates to a method for operating such a household refrigerator.
  • the DE 10 2006 061 083 A1 discloses a household refrigerator having a thermally insulated body with an inner container.
  • the inner container limits a coolable interior.
  • the household refrigerating appliance comprises a door leaf pivotally mounted relative to the body for opening and closing the interior, and a door opening aid having a control body and an air pressure sensor configured to change the air pressure within the door due to pressing and / or pulling on the closed door leaf Coolable interior to determine, then automatically open by means of the actuating body, the closed door leaf at least partially.
  • the US 2015/0040674 A1 discloses an electrostatic capacitive pressure sensor comprising a housing having an inlet for a fluid, a sensor chip adapted to detect a change in capacitance, and a diaphragm which bends due to a change in pressure of the fluid flowing through the inlet.
  • the US 2005/252300 A1 discloses a pressure sensor in which an inductance for measuring the pressure is determined.
  • An oscillator generates a magnetic field within the pressure sensor, and a movable membrane interferes with this field.
  • the object of the invention is to provide a household refrigeration appliance with an improved, an air pressure sensor having auxiliary device for assisting opening a closed door leaf or a closed drawer.
  • a household refrigerator comprising a thermally insulated body, which has an inner container with a for storing Having provided for food refrigerable interior, provided for cooling the coolable interior refrigeration device and an auxiliary device, and a relative to the body pivotally mounted, provided for opening and closing the coolable interior door leaf
  • the auxiliary device comprises an air pressure sensor which is arranged one due to a Pressing and / or pulling on the closed door leaf resulting change in the air pressure within the coolable interior to determine, and the auxiliary device is arranged depending on the determined change in the air pressure automatically open the closed door leaf at least partially, wherein the air pressure sensor coupled to the interior Pressure chamber, an arranged within the pressure chamber electrical component and an evaluation device, which is arranged, at least one, the change in the air pressure associated electrical variable of the electrical n evaluate component so that the auxiliary device depending on the evaluated electrical size, the closed door leaf opens, wherein the electrical component comprises a planar component and a planar component spaced apart electrically conductive foil, where
  • the domestic refrigerator according to the invention may additionally or alternatively to the door leaf having a drawer, which is pushed in the closed state in the coolable interior to close it, and at least partially pulled out of the coolable interior in the open state. Then the auxiliary device arranged to determine a resulting due to a pressing and / or pulling on the closed drawer change in the air pressure within the coolable interior to then at least partially open the closed drawer.
  • the refrigeration device is preferably a refrigerant circuit.
  • the refrigerant circuit comprises a compressor and in particular a condenser downstream of the compressor, a condenser connected downstream of the condenser and an evaporator which is arranged between the throttle device and the compressor.
  • an elastic magnetic seal is preferably attached, which sealingly bears against the body when the door leaf is closed or when the drawer is closed.
  • the magnetic seal is elastic, so that when pressed on the closed door leaf or on the closed drawer, this or this moves slightly in the direction of the coolable interior, whereby the air pressure changes within the coolable interior. Due to the elastic magnetic seal, when pulling on the closed door leaf or on the closed drawer, the magnetic seal does not immediately detach from the body, which also changes the air pressure within the coolable interior.
  • This change in the air pressure can be determined by means of the air pressure sensor of the auxiliary device, which can be closed to a desire of a person to want to open the closed door leaf or the closed drawer.
  • the pressure measuring range of the air pressure sensor is for example at ⁇ 0.2 mbar and the bursting pressure e.g. at ⁇ 50mbar.
  • the auxiliary device preferably comprises a control element, for example a plunger, which can be moved automatically, eg by means of an actuator, for example, from a retracted to an extended position in order to at least partially open the closed door leaf or the closed drawer, preferably at least to the extent that the magnetic seal separates from the body.
  • a control element for example a plunger
  • an actuator for example, from a retracted to an extended position in order to at least partially open the closed door leaf or the closed drawer, preferably at least to the extent that the magnetic seal separates from the body.
  • the auxiliary device further comprises the air pressure sensor.
  • the pressure chamber coupled to the coolable interior, the electrical component arranged inside the pressure chamber and the evaluation device, which is set up to evaluate at least one electrical variable of the electrical component associated with the change in air pressure, so that the auxiliary device depends on the evaluated electrical variable the closed door leaf or the closed drawer opens at least partially.
  • the pressure chamber is connected or coupled via an input to the coolable interior, so that the change in the air pressure within the interior is transferred to the pressure chamber. As a result, the at least one electrical variable of the component arranged within the pressure chamber changes.
  • the electrical component comprises a sheet-like component and the electrically spaced apart from the planar component at a distance electrically conductive film.
  • a change in the air pressure causes a force on the electrically conductive film, whereby at least partially the distance between the planar component and the electrically conductive film changes.
  • the at least one electrical variable of the electrical component also changes.
  • This change is evaluated automatically with the evaluation device, whereby it is possible to detect a pulling or pressing on the closed door leaf or on the closed drawer.
  • Changing at least one electrical quantity is a measure of the change in air pressure.
  • the auxiliary device is automatically activated to at least partially open the closed door leaf or the closed drawer. This is e.g. realized by the evaluation device controls the actuator so that it moves the actuator from its retracted to its extended position.
  • the electrical component is an inductive component or a capacitor.
  • the planar component is designed as a planar electric coil.
  • the at least one electrical variable is an inductance, a resistance and / or a reactance of the inductive component. According to this variant, therefore, an inductive method is used.
  • the planar coil is e.g. arranged on a printed circuit board or integrated into this.
  • the electrically conductive foil e.g. a membrane arranged, which changes the distance to the planar coil at least partially change in pressure. The change in the distance leads to a change in the electrical values or sizes of the inductive component.
  • the electrical quantities are e.g. Inductance, resistance or resistance and / or reactance.
  • the coil has a planar structure and interacts with the electrically conductive foil.
  • An AC or an alternating magnetic field of the planar coil generates an induction voltage in the electrically conductive film, which causes eddy currents, which in turn have a retroactive effect on the planar coil.
  • the planar component is a first planar electrode and the electrically conductive film is a second planar electrode of the capacitor.
  • the at least one electrical variable is a capacitance of the capacitor.
  • a capacitive method is thus used.
  • the capacitor comprises the two planar electrodes.
  • the first planar electrode is arranged on a printed circuit board or integrated in a printed circuit board.
  • the second planar electrode is formed by the electrically conductive foil, which is arranged at a distance from the first planar electrode. This creates a capacitor.
  • the pressure changes, the distance of the electrically conductive film is changed at least partially to the printed circuit board or to the first planar electrode, whereby the capacitance changes as electrical size of the capacitor. Due to an evaluation of the Capacity or its change can be concluded by pressing or pulling on the closed door leaf or on the closed drawer.
  • the evaluation device may preferably have a resonant circuit with which the at least one electrical variable or its change can be measured.
  • the air pressure sensor may have a spacer ring which is arranged between the planar component and the electrically conductive film.
  • the spacer ring is made in particular of an electrically non-conductive material.
  • the air pressure sensor may include a circuit board having a surface.
  • the planar component is arranged on the surface, in particular in a depression of the surface.
  • the depression can likewise be used to realize the distance between the planar component and the electrically conductive foil.
  • the auxiliary device has a housing, within which substantially all components of the auxiliary device are arranged. Within the housing all necessary for the operation of the auxiliary device electrical and optionally mechanical components are arranged, optionally except for an electrical power supply. An optionally existing adjusting body is preferably also arranged in the housing, but then projects at least partially out of the housing, at least in its extended position.
  • the housing of the auxiliary device is preferably made of plastic.
  • the pressure chamber is formed, i. Boundary walls of the pressure chamber are an integral part of the housing of the auxiliary device.
  • the housing of the auxiliary device comprises a directly connected to the pressure chamber, coupled to the coolable interior entrance. This allows the pressure chamber relatively easily connected to the interior, for example via a hose be coupled because the hose can be relatively easily connected from outside the housing of the auxiliary device.
  • the housing of the auxiliary device preferably comprises two housing parts.
  • the pressure chamber of the air pressure sensor is formed in one of the housing parts. On the other housing part then the remaining components of the auxiliary device are attached.
  • the planar component is arranged on the circuit board.
  • Other components of the auxiliary device in particular electronics of the evaluation device, can be arranged on a further printed circuit board, which is arranged within the housing of the auxiliary device.
  • the printed circuit board and the further printed circuit board are preferably connected to one another via elastic electrical connections in order to obtain at least a partial mechanical decoupling.
  • the further circuit board is arranged on the housing part, in which not the pressure chamber is formed.
  • the Fig. 1 shows a perspective view of a household refrigerator 1, which comprises a thermally insulated body 2 with an inner container 3, which limits a coolable interior 4.
  • the coolable interior 4 is provided for storing food not shown.
  • the household refrigerating appliance 1 has a pivotable door leaf 5 for closing the coolable interior 4.
  • the door leaf 5 is pivotally mounted, in particular with respect to a vertically extending axis. With open door leaf 5, as in the Fig. 1 shown, the coolable interior 4 is accessible.
  • a plurality of door racks 6 are arranged for storing food in the case of the present embodiment.
  • a plurality of shelves 7 are arranged for storing food in the coolable interior 4 and in particular in the lower part of the coolable interior 4, a drawer 8 is arranged, in which also food can be stored.
  • the refrigeration cycle includes in particular a compressor, a compressor downstream of the condenser, a condenser downstream throttle device, which is designed in particular as a throttle or capillary tube, and an evaporator which is disposed between the throttle device and the compressor.
  • the compressor is preferably arranged within a machine chamber of the domestic refrigerator 1, which is located in particular behind the drawer 8.
  • the household refrigerating appliance 1 comprises an electronic control device 9 which is set up to control the refrigeration device, in particular the compressor of the refrigerant circuit in a manner well known to those skilled in the art, such that the coolable interior 4 is at least approximately predetermined or predeterminable -Temperature has.
  • the electronic control device 9 is preferably set up to regulate the temperature of the coolable interior 4.
  • the household refrigerating appliance 1 can have at least one temperature sensor (not shown in greater detail and connected to the electronic control device 9).
  • the household refrigerator 1 further comprises an auxiliary device 20, which is arranged to at least support an opening of the closed door leaf 5.
  • a schematic diagram of the auxiliary device 20 is shown in FIG Fig. 2 shown.
  • the auxiliary device 20 is fixed, for example, in or on the body 2 and comprises a setting body, e.g. a plunger 21, which can be automatically moved by means of an actuator 22 of the auxiliary device 20 from a retracted to an extended position. In its retracted position, the plunger 21 allows closing the door leaf 5 or the plunger 21 is pressed when closing the door panel 5 in its retracted position.
  • the actuator 22 includes e.g. an electric motor.
  • the actuator 22 is e.g. by means of an actuator 23, e.g. a driver stage, driven.
  • the household refrigerating appliance 1 comprises a magnetic seal 10 fastened to the side of the door leaf 5 directed towards the coolable interior 4, said magnetic gasket resting against the front side of the carcass 2 when the door leaf 5 is closed.
  • the magnetic seal 10 is elastic, so that when pressed on the closed door leaf 5 this moves a little in the direction of the coolable interior 4, whereby the air pressure within the coolable interior 4 changes. Due to the elastic magnetic seal 10, when the door leaf 5 is pulled closed, the magnetic seal 10 does not detach immediately from the body 2, as a result of which the air pressure within the coolable interior 4 likewise changes.
  • the auxiliary device 20 is designed such that it recognizes the desire of a person to open the door leaf 5, as soon as the person pulls or pushes on the closed door leaf 5. Thereafter, the actuator 22 automatically moves the plunger 21 from its retracted position to its extended position. During this movement, the plunger 21 pushes the door leaf 5 at least so far that the magnetic seal 10 detaches from the body 2, so that the person can easily open the door leaf 5 completely.
  • the auxiliary device 20 comprises an air pressure sensor, which is adapted to determine the air pressure within the coolable interior 4 or a change in this air pressure, so that the auxiliary device 20 becomes active in response to the change in this air pressure and automatically the plunger 21 of moved from his retracted to his extended position.
  • the Fig. 3 shows an embodiment of the air pressure sensor 31 in an exploded view.
  • the air pressure sensor 31 includes a pressure chamber 32.
  • the air pressure sensor 31 comprises a in the Fig. 3 shown housing 33, which limits the pressure chamber 32.
  • the housing 33 is preferably made of plastic and in particular made in one piece.
  • the housing 33 comprises an inlet 34, via which the pressure chamber 32 is coupled to the coolable interior 4, for example via a hose, not shown.
  • the air pressure sensor 31 further comprises an electrical component 37 arranged within the pressure chamber 32 and an evaluation device 35 connected to the electrical component 37, which is set up to control the actuator 22 or the actuator 23.
  • the pressure sensor 31 has a printed circuit board 36, on which, for example, the evaluation device 35 can also be arranged.
  • the air pressure sensor 32 comprises the electrical component 37, which in the case of in the Fig. 3 shown embodiment is designed as an inductive component 38.
  • the electrical component 37 or the inductive component 38 is arranged within the pressure chamber 32.
  • the electrical component 37 comprises a sheet-like component 39 and an electrically conductive foil 40 arranged at a distance from the planar component 39.
  • the planar component 39 is an areal electric coil 41 electrical coil 41 is preferably designed in multiple layers.
  • the planar component 39 or the areal electrical coil 41 is in particular arranged or fastened on a surface 42 of the printed circuit board 36, preferably in a recess 43 in this surface 42 of the printed circuit board 36.
  • a recess 43 in this surface 42 of the printed circuit board 36.
  • the electrically conductive Foil 40 spaced from the planar component 39 and the planar electric coil 41 within the pressure chamber 32 to arrange.
  • an electrically non-conductive spacer ring may be provided, which in the Fig. 3 not shown.
  • the housing 33 of the pressure chamber 32 comprises a preferably circular opening 44 and fastening means 45 with which the housing 33 of the pressure chamber 32 is fastened to the printed circuit board 36.
  • the fastening means 45 are preferably latching means or latching hooks, with which the housing 33 of the pressure chamber 32 is latched to the printed circuit board 36.
  • the housing 33 of the pressure chamber 32 is fastened to the printed circuit board 36 in such a way that the surface 42, on which the planar component 39 or the planar electric coil 41 is arranged, faces the pressure chamber 32 and the opening 44 closes, and that the planar component 39 and the planar electric coil 41 is disposed in the region of the opening 44 within the pressure chamber 32.
  • the opening 44 is sealed with a sealing ring 46.
  • the change in the distance generally leads to a change in the electrical size of the electrical component 37, in particular to a change in the inductance, reactance and / or resistance of the inductive component 38.
  • the laminar coil 41 interacts with the electrically conductive foil 40 stands, generates eg an alternating current flowing through the planar coil 41 or an alternating magnetic field of the planar coil 41, an induction voltage in the electrically conductive film 40. This leads to eddy currents, which in turn have a retroactive effect on the planar coil 41.
  • the evaluation device 35 evaluates at least one electrical variable of the electrical component 37 assigned to the change in the air pressure within the coolable interior 4 so that the auxiliary device 20 or its evaluation device 35 controls the actuator 23 such that the actuator 22 controls the Moves plunger 21 from its retracted to its extended position to at least partially open the closed door leaf 5.
  • the at least one electrical variable is its inductance, its resistance and / or its reactance. These electrical variables can be determined or evaluated, for example, by means of a resonant circuit of the evaluation device 35.
  • the Fig. 4 shows an alternative embodiment of an air pressure sensor 31a, which instead of in the Fig. 3 shown air pressure sensor 31 can be used for the auxiliary device 20. Unless otherwise stated, then are components of in the Fig. 4 shown air pressure sensor 31a, with components of in the Fig. 3 shown air pressure sensor 31 are substantially identical in construction and function, provided with the same reference numerals.
  • the circuit board 36 in the Fig. 4 The size of the printed circuit board 36 is the size of the opening 44 of the housing 33 of the pressure chamber 32 adapted and closes them such that the surface 42 on which the planar component 37 or the planar coil 41 is arranged, the pressure chamber 32 faces and thus the planar component 37 and the planar coil 41 is disposed within the pressure chamber 32.
  • the edge 48 of the opening 44 of the housing 33 overlaps the edge 47 of the printed circuit board 36 at least partially, preferably completely.
  • the evaluation device 35 and electronic components of the evaluation device 35 are on a in the Fig. 4 Not shown further printed circuit board arranged.
  • the electrical component 37 or the inductive component 38 is at least partially mechanically decoupled from further components of the auxiliary device 20.
  • the housing 33 of the pressure chamber 32 of the in Fig. 4 shown air pressure sensor 31a is attached to the fastening means 45 is not attached to the circuit board 36, but to another, not shown component of the auxiliary device 20, for example, a housing of the auxiliary device 20 or on the other circuit board.
  • the Fig. 5 shows a part of an embodiment of the auxiliary device 20 in a sectional perspective view.
  • the in the Fig. 5 shown embodiment of the auxiliary device 20 includes a housing 24, disposed within the substantially all components of the auxiliary device 20 are.
  • the actuator 22, the actuator 23 and the air pressure sensor are arranged.
  • the housing 24 of the auxiliary device 20 is in particular made of plastic and preferably comprises two housing parts 25, 26th
  • the housing 24 in the Fig. 5 shown embodiment of the auxiliary device 20 is designed such that in him the pressure chamber 32 is formed, in particular, the housing 24 of the auxiliary device is formed with the pressure chamber 32 of the air pressure sensor.
  • the pressure chamber 32 is thus an integral part of the housing 24, in the case of in the Fig. 5 embodiment shown an integral part of the housing part 25th
  • the pressure chamber 32 is e.g. formed by a trough in the housing 24 of the auxiliary device 20.
  • the housing 24 of the auxiliary device 20 comprises an input 27 connected directly to the pressure chamber 33, via which the pressure chamber 32 communicates with the coolable interior 4, e.g. is coupled via a hose, not shown.
  • the air pressure sensor further comprises the electrical component 37 or the inductive component 38 arranged within the pressure chamber 32, that is to say the planar component 39 or the planar coil 41 and the electrically conductive foil 40 arranged at a distance from the planar component 39.
  • the printed circuit board 36 is also provided, on the surface 42 of which the planar component 39 or the laminar coil 41 is fastened.
  • the boundary walls of the pressure chamber 32 in particular have an opening 28 which is closed by the printed circuit board 36.
  • the size of the circuit board 36 is adapted to the size of the opening 28 of the pressure chamber 32 and closes it such that the surface 42 of the circuit board 36, on which the planar component 37 and the planar coil 41 is arranged, the Pressure chamber 32 faces and thus the planar component 39 and the planar coil 41 is disposed within the pressure chamber 32.
  • an electrically non-conductive spacer ring 49 is provided between the planar component 39 and the planar electric coil 41 and the electrically conductive foil 40.
  • the sealing ring 46 is also provided so that the electrically conductive film 40 is clamped between the sealing ring 46 and the spacer ring 49.
  • the in the Fig. 5 shown embodiment of the auxiliary device 20 includes a further printed circuit board 29 on which, for example, the evaluation device 35 and an electronics of the evaluation device 35 is arranged.
  • electrical connections 30 are provided for an electrical connection of the electrical component 37 or of the inductive component 38 with the evaluation device 35.
  • the electrical connections 30 in particular connect the printed circuit board 36 with the further printed circuit board 29.
  • the electrical connections 30 are preferably elastic.
  • the further circuit board 29 is arranged on the housing part 26, in which not the pressure chamber 32 is formed.
  • the electrical component 37 can also be designed as a capacitor.
  • the planar component 39 is a first planar electrode and the electrically conductive foil 40 is a second planar electrode.
  • the at least one electrical variable, which is evaluated by the evaluation device 35, is then the capacitance of this capacitor, which changes as the distance between the two planar electrodes changes.
  • the household refrigerating appliance 1 may also have a drawer which is at least partially pulled out of the coolable interior 4 and hineinschiebbar in the coolable interior 4. In the pushed-in state, this drawer closes the coolable interior 4. If this drawer at least partially pulled out of the coolable interior 4, then it is open.
  • the auxiliary device 20 may then also be provided to recognize the desire to open the drawer.
  • the auxiliary device 20 is designed to recognize the desire of a person to open this drawer as soon as the person pulls or pushes on the closed drawer. Thereafter, the actuator 22 automatically moves the plunger 21 from its retracted position to its extended position. During this movement, the plunger 21 pushes the drawer at least as far from the coolable interior 4, that a magnetic seal of the drawer detaches from the body 2, so that the person can easily open the drawer completely.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Claims (6)

  1. Appareil frigorifique ménager, présentant un corps thermiquement isolé (2) qui présente un réceptacle interne (3) comprenant un espace interne réfrigérable (4) prévu pour le stockage de produits alimentaires, un dispositif frigorifique prévu pour la réfrigération de l'espace interne réfrigérable (4) et un dispositif auxiliaire (20), ainsi qu'un battant de porte (5) monté pivotant par rapport au corps (2) et prévu pour l'ouverture et la fermeture de l'espace interne réfrigérable (4) ou un tiroir qui, à l'état fermé, est poussé dans l'espace interne réfrigérable (4) afin de fermer celui-ci, et qui, à l'état ouvert, est tiré au moins partiellement hors de l'espace interne réfrigérable (4), dans lequel le dispositif auxiliaire (20) présente un capteur de pression atmosphérique (31, 31a) qui est conçu pour déterminer une modification de la pression atmosphérique à l'intérieur de l'espace interne réfrigérable (4) résultant d'une poussée et/ou d'une traction au niveau du battant de porte (5) fermé ou bien au niveau du tiroir fermé, et le dispositif auxiliaire (20) est conçu pour ouvrir au moins partiellement le battant de porte (5) fermé ou bien le tiroir fermé de manière automatique en fonction de la modification déterminée de la pression atmosphérique, caractérisé en ce que le capteur de pression atmosphérique (31, 31a) présente une chambre de pression (32) couplée à l'espace interne réfrigérable (4), un élément électrique (37) agencé à l'intérieur de la chambre de pression (32) et un dispositif d'évaluation (35) qui est conçu pour évaluer au moins une grandeur électrique, associée à la modification de la pression atmosphérique, de l'élément électrique (37), afin que le dispositif auxiliaire (20) ouvre au moins partiellement le battant de porte (5) fermé ou bien le tiroir fermé en fonction de la grandeur électrique évaluée, dans lequel l'élément électrique (37) présente un composant planaire (39) et un film (40) électriquement conducteur présentant un espacement par rapport au composant planaire (39), le dispositif auxiliaire (20) présente un carter (24) au sein duquel sont agencés essentiellement tous les composants (22, 23, 35) du dispositif auxiliaire (20) et dans lequel est réalisée la chambre de pression (32), et le carter (24) du dispositif auxiliaire (20) comprend une entrée (27) couplée à l'espace interne réfrigérable (4) et reliée directement à la chambre de pression (32), dans lequel
    l'élément électrique (37) est un élément à induction (38), le composant planaire (39) est réalisé sous la forme d'une bobine électrique planaire (41), et la au moins une grandeur électrique est une inductance, une résistance et/ou une réactance de l'élément à induction (38), ou
    l'élément électrique (37) est un condensateur, le composant planaire (39) est une première électrode planaire et le film électriquement conducteur (40) est une deuxième électrode du condensateur et la au moins une grandeur électrique est une capacité du condensateur.
  2. Appareil frigorifique ménager selon la revendication 1, caractérisé en ce que le capteur de pression atmosphérique présente une bague d'espacement (49) qui est agencée entre le composant planaire (39) et le film électriquement conducteur (40).
  3. Appareil frigorifique ménager selon la revendication 1 ou 2, caractérisé en ce que le capteur de pression atmosphérique (31, 31a) présente un circuit imprimé (36) muni d'une surface (42) et le composant planaire (39) est agencé sur la surface (42).
  4. Appareil frigorifique ménager selon la revendication 3, caractérisé en ce que le composant planaire (39) est agencé dans un renfoncement (43) de la surface (42).
  5. Appareil frigorifique ménager selon la revendication 3 ou 4, caractérisé en ce que seul le composant planaire (39) est agencé sur le circuit imprimé (36).
  6. Procédé de fonctionnement d'un appareil frigorifique ménager (1) selon l'une quelconque des revendications 1 à 5, comprenant les étapes ci-dessous consistant à :
    - déterminer une valeur ou une modification de la au moins une grandeur électrique de l'élément électrique (37) au moyen du dispositif d'évaluation (35), dans lequel la au moins une grandeur électrique se modifie en raison d'une modification au moins partielle de l'espacement entre le film électriquement conducteur (10) et le composant planaire (39) induite par une modification de la pression atmosphérique résultant d'une traction ou d'une poussée au niveau du battant de porte (5) fermé ou au niveau du tiroir fermé,
    - évaluer la valeur déterminée ou la modification déterminée de la au moins une grandeur électrique au moyen du dispositif d'évaluation (35), et
    - en fonction de l'évaluation, activer le dispositif auxiliaire (20) afin que celui-ci ouvre au moins partiellement le battant de porte (5) fermé ou le tiroir fermé.
EP16161912.7A 2015-04-22 2016-03-23 Appareil frigorifique ménager et procédé de fonctionnement d'un appareil frigorifique ménager Active EP3086059B1 (fr)

Applications Claiming Priority (1)

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DE102015207313.0A DE102015207313A1 (de) 2015-04-22 2015-04-22 Haushaltskältegerät und Verfahren zum Betreiben eines Haushaltskältegerätes

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EP3086059B1 true EP3086059B1 (fr) 2019-09-11

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US (1) US9989302B2 (fr)
EP (1) EP3086059B1 (fr)
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US10794629B2 (en) * 2018-06-29 2020-10-06 Midea Group Co., Ltd. Negative pressure sensing for an appliance door closure
US11906379B2 (en) * 2021-12-06 2024-02-20 Whirlpool Corporation Insulated structure for an appliance

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US20100327883A1 (en) * 2009-06-24 2010-12-30 Jochen Reinmuth Inductive delta c evaluation for pressure sensors
US20150040674A1 (en) * 2013-08-09 2015-02-12 Azbil Corporation Electrostatic capacitive pressure sensor

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US2697352A (en) * 1952-01-08 1954-12-21 Pacific Electric Mfg Corp Transient pressure gauge
US20030205448A1 (en) * 2002-03-13 2003-11-06 Xilor, Inc. Resonant pressure switch
US20050252300A1 (en) * 2002-03-13 2005-11-17 Ip Development, Llc Pressure sensor with pressure translation
US20100327883A1 (en) * 2009-06-24 2010-12-30 Jochen Reinmuth Inductive delta c evaluation for pressure sensors
US20150040674A1 (en) * 2013-08-09 2015-02-12 Azbil Corporation Electrostatic capacitive pressure sensor

Also Published As

Publication number Publication date
US9989302B2 (en) 2018-06-05
DE102015207313A1 (de) 2016-10-27
US20160313055A1 (en) 2016-10-27
CN106066107A (zh) 2016-11-02
EP3086059A1 (fr) 2016-10-26
CN106066107B (zh) 2021-02-12

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