EP0943283B1 - Control panel for a domestic appliance - Google Patents

Control panel for a domestic appliance Download PDF

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Publication number
EP0943283B1
EP0943283B1 EP99104329A EP99104329A EP0943283B1 EP 0943283 B1 EP0943283 B1 EP 0943283B1 EP 99104329 A EP99104329 A EP 99104329A EP 99104329 A EP99104329 A EP 99104329A EP 0943283 B1 EP0943283 B1 EP 0943283B1
Authority
EP
European Patent Office
Prior art keywords
casing
control panel
circuit board
printed circuit
pick
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.)
Expired - Lifetime
Application number
EP99104329A
Other languages
German (de)
French (fr)
Other versions
EP0943283A1 (en
Inventor
Michael c/o Whirlpool Europe s.r.l. Heil
Ronald c/o Whirlpool Europe s.r.l. Becker
Thomas c/o Whirlpool Europe s.r.l. Prowald
Bodo c/o Whirlpool Europe s.r.l. Kebrich
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.)
Whirlpool Corp
Original Assignee
Whirlpool Corp
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
Application filed by Whirlpool Corp filed Critical Whirlpool Corp
Publication of EP0943283A1 publication Critical patent/EP0943283A1/en
Application granted granted Critical
Publication of EP0943283B1 publication Critical patent/EP0943283B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4293—Arrangements for programme selection, e.g. control panels; Indication of the selected programme, programme progress or other parameters of the programme, e.g. by using display panels
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/58—Indications or alarms to the control system or to the user
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/12—Casings; Tubs

Definitions

  • the invention refers to a control panel for a domestic appliance in whose casing are built-in display and control elements which are coupled mechanically and/or electrically and/or are in a linkage line to a printed circuit board in a pick-up casing.
  • the control panel of a domestic appliance can be equipped with display and/or control elements depending on the type of use. Only the design of the domestic appliance will be indicated, such as dishwasher, washing machine, tumble dryer, electric oven, microwave oven, refrigerator, freezer and similar.
  • display lamps, program switches, buttons and similar are built into the front panel of the switch panel casing often described as a control panel box, which is coupled in different ways mechanically and/or electrically to a printed circuit board or are in a linkage line. This requires a complicated design and extensive assembly.
  • CA-A-2168609 discloses a control panel for domestic appliances in which all the controls are held by a metal mounting plate connected to a metal cover member.
  • US-A-5 430 612 discloses a combination instrument having a circuit board placed between two shell parts which are connected on one side to form one piece by means of film hinges.
  • the task of the invention is to reduce the type of outlay required in parts and assembly as mentioned at the start for construction of a control panel of a domestic appliance.
  • the pick-up casing consists of two shell parts which on one side are solidly connected by a tape hinge and on the opposite side are closed using locking elements, the printed circuit board is held in a position in the isolating area of the closed shell parts by means of retaining elements and in addition there is a pick-up for a plug to the printed circuit board in the isolating area.
  • the pick-up casing in the casing of the control panel is fastened in a known way by there being fixing elements in the casing of the control panel for the pick-up casing with the printed circuit board equipped with reciprocal fixing elements.
  • the pick-up casing thus takes on additional functions which simplify the assembly of the control panel.
  • Additional embodiments are used for the same purpose and are identified by the shell part facing the front side of the casing having latch locators for key elements which are adjustably placed in openings in the front side of the casing or by the shell part facing the front side of the casing having shaped guide sleeves for the key plungers of the key elements which are adjustably placed in openings in the front side of the casing and being braced by spring elements in the shell part and working together with momentary contact switches on the printed circuit board, and by the shell part facing the front side of the casing having formed shielding sleeves which protrude into openings in the front side of the casing and hold light emitting diodes which are electrically connected to the printed circuit board.
  • the pick-up casing with the two shell parts can be produced economically with a simple tool after being designed if it is planned for both shell parts to be manufactured as a single plastic injection moulded part connected to each other in a stretched open position over a tape hinge and on the free sides of the shell parts facing away from the tape hinges there being formed latch elements designed for each other to close the pick-up casing.
  • the pick-up casing 30 for a printed circuit board 20 has two shell parts 31 and 32 which are connected to each other as one part by tape hinges 33.
  • the tape hinges 33 allow the manufacture of both shell parts 31 and 32 in the open position as a single plastic injection moulded part. If the printed circuit board 20 is inserted, then the shell parts 31 and 32 are clapped together and connected to each other on the free sides opposite to the tape hinges 33 by means of latching elements 34 and 35 designed for each other and aligned with each other so that the pick-up casing 30 can close.
  • known fixing and reciprocal fixing elements can be applied to the casing 10 and the pick-up casing 30 in a known way so that the pick-up casing 30 can be fixed in the casing 10 of the control panel.
  • the design of these fixing and reciprocal fixing elements have the widest range of forms. Thus screw, latch or resilient corrugated packing strip connections or similar can be used.
  • the printed circuit board 20 is positioned in the area of the isolating level of both shell parts 31 and 32 of the pick-up casing by retaining elements 37, 38 and 42, 43 so that these occupy a defined position in the pick-up casing 30.
  • the pick-up casing 30 When closed, the pick-up casing 30 has a pick-up 45 in which a plug 36 is inserted and can thus be connected to the printed circuit board 20. In this position, the printed circuit board has connection contacts. The plug 36 can be additionally held in the pick-up 45.
  • the shell side 31 facing the front side of the casing 10 can take on additional functions to simplify the assembly of the control panel.
  • a key element 14 adjustably inserted in an opening 12 of the casing 10 can be latched into a latch locator 39 in the shell part 31 and thus take over the fixing of this in the control panel.
  • a shielding sleeve 44 of the shell part 31 which prevents light shining over from adjacent light-emitting diodes or similar optical display elements.
  • the shield sleeve 44 protrudes at least partly into the allocated opening 12 of the casing 10 which can also be transparently covered by the lettering field 11.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Casings For Electric Apparatus (AREA)
  • Mounting Of Printed Circuit Boards And The Like (AREA)
  • Cookers (AREA)
  • Push-Button Switches (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Mounting Components In General For Electric Apparatus (AREA)

Description

  • The invention refers to a control panel for a domestic appliance in whose casing are built-in display and control elements which are coupled mechanically and/or electrically and/or are in a linkage line to a printed circuit board in a pick-up casing.
  • The control panel of a domestic appliance can be equipped with display and/or control elements depending on the type of use. Only the design of the domestic appliance will be indicated, such as dishwasher, washing machine, tumble dryer, electric oven, microwave oven, refrigerator, freezer and similar. In this, display lamps, program switches, buttons and similar are built into the front panel of the switch panel casing often described as a control panel box, which is coupled in different ways mechanically and/or electrically to a printed circuit board or are in a linkage line. This requires a complicated design and extensive assembly.
  • CA-A-2168609 discloses a control panel for domestic appliances in which all the controls are held by a metal mounting plate connected to a metal cover member. US-A-5 430 612 discloses a combination instrument having a circuit board placed between two shell parts which are connected on one side to form one piece by means of film hinges.
  • The task of the invention is to reduce the type of outlay required in parts and assembly as mentioned at the start for construction of a control panel of a domestic appliance.
  • This task is solved by the invention as the pick-up casing consists of two shell parts which on one side are solidly connected by a tape hinge and on the opposite side are closed using locking elements, the printed circuit board is held in a position in the isolating area of the closed shell parts by means of retaining elements and in addition there is a pick-up for a plug to the printed circuit board in the isolating area.
  • To pick up and position the printed circuit board, an additional part is required which is closed after the printed circuit board is brought in. The plug can simply be connected in the isolating area to the printed circuit board and the connection is thus simplified and made easier.
  • The pick-up casing in the casing of the control panel is fastened in a known way by there being fixing elements in the casing of the control panel for the pick-up casing with the printed circuit board equipped with reciprocal fixing elements. The pick-up casing thus takes on additional functions which simplify the assembly of the control panel.
  • Additional embodiments are used for the same purpose and are identified by the shell part facing the front side of the casing having latch locators for key elements which are adjustably placed in openings in the front side of the casing or by the shell part facing the front side of the casing having shaped guide sleeves for the key plungers of the key elements which are adjustably placed in openings in the front side of the casing and being braced by spring elements in the shell part and working together with momentary contact switches on the printed circuit board, and by the shell part facing the front side of the casing having formed shielding sleeves which protrude into openings in the front side of the casing and hold light emitting diodes which are electrically connected to the printed circuit board.
  • The pick-up casing with the two shell parts can be produced economically with a simple tool after being designed if it is planned for both shell parts to be manufactured as a single plastic injection moulded part connected to each other in a stretched open position over a tape hinge and on the free sides of the shell parts facing away from the tape hinges there being formed latch elements designed for each other to close the pick-up casing.
  • The invention will be described in closer detail using the embodiments shown in the figures. The figures show the following in section:
    • Fig. 1
    a pick-up casing built fitted into a control panel casing with a printed circuit board, where the closing position in particular of both shell parts of the pick-up casing can be seen
    Fig. 2
    the fitting position of the pick-up casing in the control panel casing where the connection and the positioning of the printed circuit board in particular can be seen in the pick-up casing and
    Fig. 3
    the inclusion of additional functions of the pick-up casing of the printed circuit board after fitting the pick-up casing into the control panel casing.
  • Only the front cover part of the casing 10 of the control panel is shown which can have a field for lettering 11 on the visible side and can have openings 12 for the necessary display and/or control elements 13.
  • As shown in figures 1 to 3, the pick-up casing 30 for a printed circuit board 20 has two shell parts 31 and 32 which are connected to each other as one part by tape hinges 33.
  • The tape hinges 33 allow the manufacture of both shell parts 31 and 32 in the open position as a single plastic injection moulded part. If the printed circuit board 20 is inserted, then the shell parts 31 and 32 are clapped together and connected to each other on the free sides opposite to the tape hinges 33 by means of latching elements 34 and 35 designed for each other and aligned with each other so that the pick-up casing 30 can close.
  • In addition, known fixing and reciprocal fixing elements can be applied to the casing 10 and the pick-up casing 30 in a known way so that the pick-up casing 30 can be fixed in the casing 10 of the control panel. The design of these fixing and reciprocal fixing elements have the widest range of forms. Thus screw, latch or resilient corrugated packing strip connections or similar can be used.
  • As shown in Figures 2 and 3, the printed circuit board 20 is positioned in the area of the isolating level of both shell parts 31 and 32 of the pick-up casing by retaining elements 37, 38 and 42, 43 so that these occupy a defined position in the pick-up casing 30.
  • When closed, the pick-up casing 30 has a pick-up 45 in which a plug 36 is inserted and can thus be connected to the printed circuit board 20. In this position, the printed circuit board has connection contacts. The plug 36 can be additionally held in the pick-up 45.
  • As shown in Figure 2, the shell side 31 facing the front side of the casing 10 can take on additional functions to simplify the assembly of the control panel. Thus a key element 14 adjustably inserted in an opening 12 of the casing 10 can be latched into a latch locator 39 in the shell part 31 and thus take over the fixing of this in the control panel.
  • If there is a momentary contact switch 40 on the printed circuit board 20, then this can be activated using the key plunger 16 of an additional key element 15. On the shell part 31 there is a formed guide sleeve 41 in which the key plunger 16 is fed. The key element 15 is adjustably guided into an opening 12 in the casing 10 and a spring element 18 slid onto the key plunger 16 braces on the key element 15 and the shell part 31.
  • If there is a light emitting diode 17 connected electrically to the printed circuit board 20, then this can be picked up by a shielding sleeve 44 of the shell part 31, which prevents light shining over from adjacent light-emitting diodes or similar optical display elements. The shield sleeve 44 protrudes at least partly into the allocated opening 12 of the casing 10 which can also be transparently covered by the lettering field 11.
  • As can easily be deduced, additional functional parts can be formed on the shell parts 31 and 32 of the pick-up casing 30, which simplify the assembly of the control panel. This is promoted by both shell parts 31 and 32 being able to be manufactured in an open position with simple tools.

Claims (6)

  1. Control panel comprising a casing (10), a pick-up casing (30) and a printed circuit board (20) for a domestic appliance the display and control elements being fitted in the casing (10) said display and control elements being either connected mechanically or electrically with the printed circuit board located in the pick-up casing and/or being mechanically linked,
    said pick-up casing (30) consisting of two shell parts (31, 32) which are connected on one side to form one piece by means of tape hinges (33) and which are closed on the opposite side by means of latching elements (34, 35), whereby the printed circuit board (20) is held positioned in an isolating area of the closed shell parts (31, 32) by means of retaining elements (37, 38; 42, 43) and whereby in the isolating area there is an additional pick-up (45) for inserting a plug (36) to be connected to the printed circuit board (20).
  2. Control panel according to claim 1,
       characterised in that
    in the casing (10) of the control panel there are fixing elements equipped with reciprocal fixing elements for the pick-up casing (30) with the printed circuit board (20).
  3. Control panel according to claim 1 or 2,
       characterised in that in the shell part (31) facing the front side of the casing (10) there are latch locators (39) for key elements (14) which are adjustably inserted in openings (12) in the front side of the casing (10).
  4. Control panel according to one of the claims 1 to 3,
    characterised in that
    in the shell part (31) facing the front side of the casing (10) there are formed guide sleeves (41) for key plungers (16) of key elements (15) which are adjustably fed through openings (12) in the front side of the casing (10) which are braced by means of spring elements (18) on the shell part (31) and which work together with key momentary contact switches (49) on the printed circuit board (20).
  5. Control panel according to one of the claims 1 to 4,
    characterised in that
    on the shell part (31) facing the front side of the casing (10) there are formed shield sleeves (44) which protrude into openings (12) in the front side of the casing (10) and hold light emitting diodes (17) which are electrically connected to the printed circuit board (20).
  6. Control panel according to one of the claims 1 to 5,
    characterised in that
    both shell parts (31, 32) are manufactured as one piece connected in an open position by a tape hinge (33) as a plastic injection moulded part and in that on the free sides of the shell parts (31, 32) facing away from the tape hinges (33), there are formed latching elements (34, 35) designed for each other for closing the pick-up casing (30).
EP99104329A 1998-03-20 1999-03-04 Control panel for a domestic appliance Expired - Lifetime EP0943283B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19812334 1998-03-20
DE19812334A DE19812334A1 (en) 1998-03-20 1998-03-20 Control panel for a household appliance

Publications (2)

Publication Number Publication Date
EP0943283A1 EP0943283A1 (en) 1999-09-22
EP0943283B1 true EP0943283B1 (en) 2003-07-02

Family

ID=7861720

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99104329A Expired - Lifetime EP0943283B1 (en) 1998-03-20 1999-03-04 Control panel for a domestic appliance

Country Status (4)

Country Link
EP (1) EP0943283B1 (en)
DE (2) DE19812334A1 (en)
ES (1) ES2202942T3 (en)
TR (1) TR199900627A2 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19950829B4 (en) * 1999-10-21 2008-09-11 BSH Bosch und Siemens Hausgeräte GmbH Fastening device in a household appliance
KR20040038360A (en) 2002-10-31 2004-05-08 엘지전자 주식회사 Apparatus for fixing pcb of refrigerator
DE10344918B4 (en) * 2003-09-17 2009-12-17 Prettl Appliance Systems Gmbh Iris arrangement for a household machine
FR2860010B1 (en) * 2003-09-18 2005-12-02 Electrolux Home Products Franc DEVICE FOR LIGHTING, BY THE ELECTRONIC HOUSING, OF THE CONTROL BOTTOM OF A WASHING MACHINE
KR101049119B1 (en) * 2004-06-24 2011-07-15 엘지전자 주식회사 Button guide assembly
KR101049120B1 (en) * 2004-06-24 2011-07-18 엘지전자 주식회사 Dryer PC Fixed Insulator
DE102004036175B4 (en) * 2004-07-26 2008-01-31 Miele & Cie. Kg Domestic appliance, in particular laundry treatment machine such as washing machine, washer-dryer or tumble dryer, with a control panel and method for mounting a control panel
PL1990698T3 (en) * 2007-05-10 2011-11-30 Electrolux Home Products Corp Nv Improved modular control panel for a household appliance
US9800241B2 (en) 2012-11-14 2017-10-24 Arcelik Anonim Sirketi Household appliance comprising a touch button

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3533719A1 (en) * 1985-09-21 1987-03-26 Rheinmetall Gmbh Switch arrangement having a plurality of control elements
FR2636492B1 (en) * 1988-09-15 1994-04-15 Peugeot Automobiles HOUSING FOR ELECTRONIC CIRCUITS, PARTICULARLY FOR MOTOR VEHICLES
DE4225846C1 (en) * 1992-08-05 1994-03-31 Bsg Schalttechnik Control or regulation for the setting and / or the execution of programs, in particular washing programs in washing machines
DE4315027A1 (en) * 1992-12-02 1994-06-09 Vdo Schindling Combination instrument
IT1273183B (en) * 1994-05-06 1997-07-07 Itw Fastex Italia Spa FLUID SEALING METHOD OF AN ELECTRONECANIC COMPONENT AND SEALED COMPONENT SO OBTAINED, IN PARTICULAR FOR HOUSEHOLD APPLIANCES
US5738424A (en) * 1995-04-04 1998-04-14 General Electric Company Appliance backsplash assembly

Also Published As

Publication number Publication date
DE69909158D1 (en) 2003-08-07
TR199900627A3 (en) 1999-10-21
DE19812334A1 (en) 1999-09-23
ES2202942T3 (en) 2004-04-01
EP0943283A1 (en) 1999-09-22
DE69909158T2 (en) 2004-09-30
TR199900627A2 (en) 1999-10-21

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