EP3893712A1 - A dishwasher comprising a dirt sensor - Google Patents

A dishwasher comprising a dirt sensor

Info

Publication number
EP3893712A1
EP3893712A1 EP19798264.8A EP19798264A EP3893712A1 EP 3893712 A1 EP3893712 A1 EP 3893712A1 EP 19798264 A EP19798264 A EP 19798264A EP 3893712 A1 EP3893712 A1 EP 3893712A1
Authority
EP
European Patent Office
Prior art keywords
water
sump
dishwasher
dirt sensor
cleaning line
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.)
Granted
Application number
EP19798264.8A
Other languages
German (de)
French (fr)
Other versions
EP3893712B1 (en
Inventor
Tugrul Basesme
Aytekin ONAR
Caglar KOC
Hasret GURSOY
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.)
Arcelik AS
Original Assignee
Arcelik AS
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 Arcelik AS filed Critical Arcelik AS
Publication of EP3893712A1 publication Critical patent/EP3893712A1/en
Application granted granted Critical
Publication of EP3893712B1 publication Critical patent/EP3893712B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A47L15/4297—Arrangements for detecting or measuring the condition of the washing water, e.g. turbidity
    • 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
    • A47L15/4246—Details of the tub

Definitions

  • the present invention relates to a dishwasher comprising a dirt sensor.
  • water is taken from the mains and is delivered onto the dishes placed into the washing tub.
  • a water pocket is provided in a number of dishwashers used today.
  • the water taken from the mains into the dishwasher is accumulated before being delivered to the water spraying members.
  • the water accumulated in the water pocket is passed through the resin in the salt container and cleansed of lime before being used.
  • the cleaning process is carried out.
  • the water is delivered onto the dishes by means of the spraying members.
  • the water is delivered in a pressurized manner, providing a more efficient cleaning.
  • the water trickling down from the dishes is accumulated in the sump, and the dirtiness rate of the dishes is determined by means of a dirtiness sensor provided on the sump, thus allowing the automatic selection of the washing program according to the dirtiness rate.
  • each washing process provides the same quality of cleaning independent of the usage errors.
  • the dirt accumulated on the dirt sensor after a certain period of time depending on the frequency of the washing cycles prevents the effective operation of the sensor. This results in the running of unsuitable washing programs and an ineffective cleaning.
  • the aim of the present invention is the realization of a dishwasher wherein effective cleaning is provided.
  • the dishwasher realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, comprises a body; a washing tub which is disposed on the body and wherein the items to be washed are placed; at least one spraying member which provides the distribution of the water received from the mains into the washing tub; and a water pocket for accumulating the water received from the mains.
  • the water accumulated in the water pocket is passed through the salt container.
  • the resin in the salt container the water is softened.
  • the water delivered from the salt container into the washing tub by means of the spraying members is collected in the sump.
  • the dirt sensor provided on the sump, the dirtiness rate of the dishes is determined, and thus the washing process is carried out accordingly.
  • the dishwasher of the present invention comprises a cleaning line arranged on the sump.
  • the water coming from the salt container enters the sump by means of an inlet opening.
  • One end of the cleaning line is connected to the inlet opening while the other end extends towards the dirt sensor.
  • the water entering the sump is guided towards the dirt sensor, cleaning the dirt sensor.
  • the dishwasher comprises a headpiece which is disposed on the end of the cleaning line opening towards the dirt sensor.
  • the water is delivered onto the dirt sensor in a pressurized manner.
  • the headpiece is in the form of a nozzle.
  • the pressurized water the dirt is removed.
  • the dishwasher comprises the control unit which provides the delivery of the water onto the dirt sensor depending on the dirtiness data received from the dirt sensor.
  • the dirtiness values are prerecorded in the control unit by the producer.
  • the control unit compares the dirtiness value received from the dirt sensor with the recorded values, thus determining the dirtiness ratio. If the dirtiness rate is higher than a value predetermined by the producer, it is decided that the dirt sensor needs to be washed.
  • the water is delivered onto the dirt sensor, thus cleaning the dirt sensor.
  • the dishwasher comprises a connection member which enables one end of the cleaning line to be connected to the inlet opening.
  • the cleaning line can be attached to/detached from the sump.
  • the connection member and the cleaning line can be connected to each other by means of screw or telescopic connection. Thus, the cleaning line can be easily detached and cleaned by the user.
  • the dishwasher comprises at least one fixing member which enables the cleaning line to be fixed to the sump.
  • the fixing member By means of the fixing member, the cleaning line is prevented from swaying after the flow of water and is fixed onto the sump.
  • the fixing member is disposed on the sump. The fixing member squeezes or holds the cleaning line, thus enabling the same to remain fixed on the sump.
  • a dishwasher is realized, wherein the dirt sensor is automatically cleaned.
  • Figure 1 - is the perspective view of the dishwasher.
  • Figure 2 - is the perspective view of the water pocket, the salt container and the sump.
  • Figure 3 - is the perspective view of the sump and the cleaning line.
  • the dishwasher (1) comprises a body (2); a washing tub (3) which is disposed on the body (2) and wherein the items to be washed are placed; a plurality of spraying members (4) which provide the distribution of the water received from the mains into the washing tub (3); a water pocket (5) for accumulating the water received from the mains; a salt container (6) which enables the water coming from the water pocket (5) to be softened; a sump (7) which is disposed under the washing tub (3) and which accumulates the softened water coming from the salt container (6) and the water distributed into the washing tub (3) by the spraying member (4); and a dirt sensor (8) which is disposed on the sump (7).
  • the water received from the mains is accumulated in the water pocket (5).
  • the water leaving the water pocket (5) passes through the salt container (6) so as to be softened by the resin in the salt container (6).
  • the water passing through the salt container (6) is delivered into the sump (7) via the inlet opening (9).
  • the water distributed into the washing tub (3) by means of the spraying member (4) is also accumulated in the sump (7).
  • the dishwasher (1) of the present invention comprises an inlet opening (9) which is arranged on the sump (7) and through which the water coming from the salt container (6) enters, and a cleaning line (10) with one end connected to the inlet opening (9) and the other end opening onto the dirt sensor (8).
  • the cleaning line (10) enables the water coming through the inlet opening (9) to be guided onto the dirt sensor (8).
  • the dirt accumulated on the dirt sensor (8) is removed.
  • the dishwasher (1) comprises a headpiece (11) which is provided on the end of the cleaning line (10) opening onto the dirt sensor (8) and which provides the spraying of the water onto the dirt sensor (8) with the water entering the sump (7) being pressurized.
  • the headpiece (11) enables the water to be pressurized.
  • the water effectively removes the dirt accumulated on the dirt sensor (8).
  • the dishwasher (1) comprises a control unit (12) which provides the delivery of the water accumulated in the water pocket (5) to the cleaning line (10) after passing through the salt container (6) depending on the dirtiness data received from the dirt sensor (8).
  • the control unit (12) enables the water to pass through the salt container (6) and to flow towards the sump (7).
  • the dirt sensor (8) is automatically cleaned.
  • the dishwasher (1) comprises a connection member (13) which enables the cleaning line (10) to be detachably attached to the inlet opening (9).
  • the connection member (13) By means of the connection member (13), the cleaning line (10) is attached onto the inlet opening (9).
  • the cleaning line (10) can be easily detached from the sump (7) and cleaned by the user.
  • the dishwasher (1) comprises at least one fixing member (14) which is disposed on the sump (7) and which enables the cleaning line (10) to be fixed to the sump (7).
  • the fixing member (14) By means of the fixing member (14), the cleaning line (10) is fixed onto the sump (7).
  • the cleaning line (10) is prevented from swaying when the water flows through the cleaning line (10).
  • a dishwasher (1) is realized, wherein the dirt sensor (8) is automatically cleaned and thus the dirtiness rate is correctly detected, improving the washing effectiveness.
  • the cleaning line (10) provided on the sump (7), the water is delivered onto the dirt sensor (8).
  • the dirt sensor (8) is regularly cleaned.
  • the dirt sensor (8) detects the dirtiness rate of the water used for washing, thus providing the selection of the most suitable washing program. By cleaning the dirt sensor (8), the dirtiness rate of the washing can be measured more precisely. Consequently, the washing performance is increased.

Landscapes

  • Washing And Drying Of Tableware (AREA)

Abstract

The present invention relates to a dishwasher (1) comprising a body (2); a washing tub (3) which is disposed on the body (2) and wherein the items to be washed are placed; a plurality of spraying members (4) which provide the distribution of the water received from the mains into the washing tub (3); a water pocket (5) for accumulating the water received from the mains; a salt container (6) which enables the water coming from the water pocket (5) to be softened; a sump (7) which is disposed under the washing tub (3) and which accumulates the softened water coming from the salt container (6) and the water distributed into the washing tub (3) by the spraying member (4); and a dirt sensor (8) which is disposed on the sump (7).

Description

    A DISHWASHER COMPRISING A DIRT SENSOR
  • The present invention relates to a dishwasher comprising a dirt sensor.
  • In dishwashers, water is taken from the mains and is delivered onto the dishes placed into the washing tub. A water pocket is provided in a number of dishwashers used today. By means of the water pocket, the water taken from the mains into the dishwasher is accumulated before being delivered to the water spraying members. The water accumulated in the water pocket is passed through the resin in the salt container and cleansed of lime before being used. Thus, the cleaning process is carried out. The water is delivered onto the dishes by means of the spraying members. Thus, the water is delivered in a pressurized manner, providing a more efficient cleaning. Moreover, the water trickling down from the dishes is accumulated in the sump, and the dirtiness rate of the dishes is determined by means of a dirtiness sensor provided on the sump, thus allowing the automatic selection of the washing program according to the dirtiness rate. Thus, each washing process provides the same quality of cleaning independent of the usage errors. The dirt accumulated on the dirt sensor after a certain period of time depending on the frequency of the washing cycles prevents the effective operation of the sensor. This results in the running of unsuitable washing programs and an ineffective cleaning.
  • In the state of the art United States of America Patent Application No. US9934747, a dirt sensor is disclosed.
  • The aim of the present invention is the realization of a dishwasher wherein effective cleaning is provided.
  • The dishwasher realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, comprises a body; a washing tub which is disposed on the body and wherein the items to be washed are placed; at least one spraying member which provides the distribution of the water received from the mains into the washing tub; and a water pocket for accumulating the water received from the mains. The water accumulated in the water pocket is passed through the salt container. By means of the resin in the salt container, the water is softened. The water delivered from the salt container into the washing tub by means of the spraying members is collected in the sump. By means of the dirt sensor provided on the sump, the dirtiness rate of the dishes is determined, and thus the washing process is carried out accordingly.
  • The dishwasher of the present invention comprises a cleaning line arranged on the sump. The water coming from the salt container enters the sump by means of an inlet opening. One end of the cleaning line is connected to the inlet opening while the other end extends towards the dirt sensor. Thus, the water entering the sump is guided towards the dirt sensor, cleaning the dirt sensor.
  • In an embodiment of the present invention, the dishwasher comprises a headpiece which is disposed on the end of the cleaning line opening towards the dirt sensor. By means of the headpiece, the water is delivered onto the dirt sensor in a pressurized manner. Thus, an effective cleaning process is carried out. The headpiece is in the form of a nozzle. By means of the pressurized water, the dirt is removed.
  • In an embodiment of the present invention, the dishwasher comprises the control unit which provides the delivery of the water onto the dirt sensor depending on the dirtiness data received from the dirt sensor. The dirtiness values are prerecorded in the control unit by the producer. The control unit compares the dirtiness value received from the dirt sensor with the recorded values, thus determining the dirtiness ratio. If the dirtiness rate is higher than a value predetermined by the producer, it is decided that the dirt sensor needs to be washed. The water is delivered onto the dirt sensor, thus cleaning the dirt sensor.
  • In an embodiment of the present invention, the dishwasher comprises a connection member which enables one end of the cleaning line to be connected to the inlet opening. By means of the connection member, the cleaning line can be attached to/detached from the sump. The connection member and the cleaning line can be connected to each other by means of screw or telescopic connection. Thus, the cleaning line can be easily detached and cleaned by the user.
  • In an embodiment of the present invention, the dishwasher comprises at least one fixing member which enables the cleaning line to be fixed to the sump. By means of the fixing member, the cleaning line is prevented from swaying after the flow of water and is fixed onto the sump. The fixing member is disposed on the sump. The fixing member squeezes or holds the cleaning line, thus enabling the same to remain fixed on the sump.
  • By means of the present invention, a dishwasher is realized, wherein the dirt sensor is automatically cleaned.
  • A dishwasher realized in order to attain the aim of the present invention is illustrated in the attached figures, where:
  • Figure 1 - is the perspective view of the dishwasher.
  • Figure 2 - is the perspective view of the water pocket, the salt container and the sump.
  • Figure 3 - is the perspective view of the sump and the cleaning line.
  • The elements illustrated in the figures are numbered as follows:
    1. Dishwasher
    2. Body
    3. Washing tub
    4. Spraying member
    5. Water pocket
    6. Salt container
    7. Sump
    8. Dirt sensor
    9. Inlet opening
    10. Cleaning line
    11. Headpiece
    12. Control unit
    13. Connection member
    14. Fixing member
  • The dishwasher (1) comprises a body (2); a washing tub (3) which is disposed on the body (2) and wherein the items to be washed are placed; a plurality of spraying members (4) which provide the distribution of the water received from the mains into the washing tub (3); a water pocket (5) for accumulating the water received from the mains; a salt container (6) which enables the water coming from the water pocket (5) to be softened; a sump (7) which is disposed under the washing tub (3) and which accumulates the softened water coming from the salt container (6) and the water distributed into the washing tub (3) by the spraying member (4); and a dirt sensor (8) which is disposed on the sump (7). The water received from the mains is accumulated in the water pocket (5). The water leaving the water pocket (5) passes through the salt container (6) so as to be softened by the resin in the salt container (6). The water passing through the salt container (6) is delivered into the sump (7) via the inlet opening (9). The water distributed into the washing tub (3) by means of the spraying member (4) is also accumulated in the sump (7).
  • The dishwasher (1) of the present invention comprises an inlet opening (9) which is arranged on the sump (7) and through which the water coming from the salt container (6) enters, and a cleaning line (10) with one end connected to the inlet opening (9) and the other end opening onto the dirt sensor (8). The cleaning line (10) enables the water coming through the inlet opening (9) to be guided onto the dirt sensor (8). Thus, the dirt accumulated on the dirt sensor (8) is removed. By cleaning the dirt sensor (8), the dirtiness rate of the washing water is more correctly detected, and the washing performance is increased.
  • In an embodiment of the present invention, the dishwasher (1) comprises a headpiece (11) which is provided on the end of the cleaning line (10) opening onto the dirt sensor (8) and which provides the spraying of the water onto the dirt sensor (8) with the water entering the sump (7) being pressurized. The headpiece (11) enables the water to be pressurized. Thus, the water effectively removes the dirt accumulated on the dirt sensor (8).
  • In an embodiment of the present invention, the dishwasher (1) comprises a control unit (12) which provides the delivery of the water accumulated in the water pocket (5) to the cleaning line (10) after passing through the salt container (6) depending on the dirtiness data received from the dirt sensor (8). Depending on the dirtiness data received from the dirt sensor (8), the control unit (12) enables the water to pass through the salt container (6) and to flow towards the sump (7). Thus, the dirt sensor (8) is automatically cleaned.
  • In an embodiment of the present invention, the dishwasher (1) comprises a connection member (13) which enables the cleaning line (10) to be detachably attached to the inlet opening (9). By means of the connection member (13), the cleaning line (10) is attached onto the inlet opening (9). Thus, the cleaning line (10) can be easily detached from the sump (7) and cleaned by the user.
  • In an embodiment of the present invention, the dishwasher (1) comprises at least one fixing member (14) which is disposed on the sump (7) and which enables the cleaning line (10) to be fixed to the sump (7). By means of the fixing member (14), the cleaning line (10) is fixed onto the sump (7). Thus, the cleaning line (10) is prevented from swaying when the water flows through the cleaning line (10).
  • By means of the present invention, a dishwasher (1) is realized, wherein the dirt sensor (8) is automatically cleaned and thus the dirtiness rate is correctly detected, improving the washing effectiveness. By means of the cleaning line (10) provided on the sump (7), the water is delivered onto the dirt sensor (8). Thus, the dirt sensor (8) is regularly cleaned. The dirt sensor (8) detects the dirtiness rate of the water used for washing, thus providing the selection of the most suitable washing program. By cleaning the dirt sensor (8), the dirtiness rate of the washing can be measured more precisely. Consequently, the washing performance is increased.

Claims (5)

  1. A dishwasher (1) comprising a body (2); a washing tub (3) which is disposed on the body (2) and wherein the items to be washed are placed; a plurality of spraying members (4) which provide the distribution of the water received from the mains into the washing tub (3); a water pocket (5) for accumulating the water received from the mains; a salt container (6) which enables the water coming from the water pocket (5) to be softened; a sump (7) which is disposed under the washing tub (3) and which accumulates the softened water coming from the salt container (6) and the water distributed into the washing tub (3) by the spraying member (4); and a dirt sensor (8) which is disposed on the sump (7), characterized by an inlet opening (9) which is arranged on the sump (7) and through which the water coming from the salt container (6) enters, and a cleaning line (10) with one end connected to the inlet opening (9) and the other end opening onto the dirt sensor (8).
  2. A dishwasher (1) as in Claim 1, characterized by a headpiece (11) which is provided on the end of the cleaning line (10) opening onto the dirt sensor (8) and which provides the spraying of the water onto the dirt sensor (8) with the water entering the sump (7) being pressurized.
  3. A dishwasher (1) as in Claim 1 or Claim 2, characterized by a control unit (12) which provides the delivery of the water accumulated in the water pocket (5) to the cleaning line (10) after passing through the salt container (6) depending on the dirtiness data received from the dirt sensor (8).
  4. A dishwasher (1) as in any one of the above claims, characterized by a connection member (13) which enables the cleaning line (10) to be detachably attached to the inlet opening (9).
  5. A dishwasher (1) as in any one of the above claims, characterized by at least one fixing member (14) which is disposed on the sump (7) and which enables the cleaning line (10) to be fixed to the sump (7).
EP19798264.8A 2018-12-11 2019-11-04 A dishwasher comprising a dirt sensor Active EP3893712B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2018/19062A TR201819062A1 (en) 2018-12-11 2018-12-11 A DISHWASHER WITH A DIRT SENSOR
PCT/EP2019/080053 WO2020120029A1 (en) 2018-12-11 2019-11-04 A dishwasher comprising a dirt sensor

Publications (2)

Publication Number Publication Date
EP3893712A1 true EP3893712A1 (en) 2021-10-20
EP3893712B1 EP3893712B1 (en) 2022-09-07

Family

ID=68468720

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19798264.8A Active EP3893712B1 (en) 2018-12-11 2019-11-04 A dishwasher comprising a dirt sensor

Country Status (4)

Country Link
EP (1) EP3893712B1 (en)
PL (1) PL3893712T3 (en)
TR (1) TR201819062A1 (en)
WO (1) WO2020120029A1 (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3745169C2 (en) * 1986-11-13 1999-07-22 Candy Elettrodomestici Operating dishwasher in work cycle
JP2004033331A (en) * 2002-07-01 2004-02-05 Sanyo Electric Co Ltd Dish washer
JP2004337429A (en) * 2003-05-16 2004-12-02 Sanyo Electric Co Ltd Dishwasher
KR20060024597A (en) * 2004-09-14 2006-03-17 엘지전자 주식회사 Structure of dishwasher
KR101138886B1 (en) * 2007-02-28 2012-05-14 삼성전자주식회사 Dish washer
CN102024410B (en) 2009-09-16 2014-10-22 株式会社半导体能源研究所 Semiconductor device and electronic appliance
CN102631177B (en) * 2012-04-16 2016-05-04 海尔集团公司 Dish-washing machine sensor flushing mechanism, dish-washing machine tank and the purging method of dish-washing machine sensor
CN202875281U (en) * 2012-10-18 2013-04-17 美的集团股份有限公司 Dish-washing machine
WO2016155803A1 (en) * 2015-03-31 2016-10-06 Arcelik Anonim Sirketi Dishwasher with filter self-cleaning mode
DE102017123048A1 (en) * 2016-10-19 2018-04-19 Miele & Cie. Kg Dishwasher, in particular household dishwasher

Also Published As

Publication number Publication date
EP3893712B1 (en) 2022-09-07
TR201819062A1 (en) 2020-06-22
WO2020120029A1 (en) 2020-06-18
PL3893712T3 (en) 2023-01-09

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