EP4196732A1 - A refrigerator comprising a uv light source - Google Patents

A refrigerator comprising a uv light source

Info

Publication number
EP4196732A1
EP4196732A1 EP21850071.8A EP21850071A EP4196732A1 EP 4196732 A1 EP4196732 A1 EP 4196732A1 EP 21850071 A EP21850071 A EP 21850071A EP 4196732 A1 EP4196732 A1 EP 4196732A1
Authority
EP
European Patent Office
Prior art keywords
drawer
plate
light source
refrigerator
support
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
EP21850071.8A
Other languages
German (de)
French (fr)
Other versions
EP4196732A4 (en
EP4196732B1 (en
Inventor
Cihat BACAK
Kemal D NÇER
Banu ARAR
Çetin USLU
Halil brahim ALTINTA
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 EP4196732A1 publication Critical patent/EP4196732A1/en
Publication of EP4196732A4 publication Critical patent/EP4196732A4/en
Application granted granted Critical
Publication of EP4196732B1 publication Critical patent/EP4196732B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/04—Treating air flowing to refrigeration compartments
    • F25D2317/041—Treating air flowing to refrigeration compartments by purification
    • F25D2317/0417—Treating air flowing to refrigeration compartments by purification using an UV-lamp

Definitions

  • the present invention relates to a refrigerant comprising a UV light source.
  • pathogenic microorganisms such as bacteria, viruses or harmful substances such as pesticide residues on the packaged foods, fruits and vegetables placed in the refrigerator.
  • harmful microorganisms and substances on the packages directly threaten human health.
  • vegetables and fruits are consumed after being washed, sometimes cleaning with water is not sufficient to remove bacteria and viruses.
  • refrigerators comprising shelves or drawers with UV light sources.
  • the state of the art cooling devices comprising the UV light source are enabled to emit light only when the door of the cooling device is closed.
  • the user may be exposed to UV rays when the door or the drawer is opened.
  • a refrigerator comprising a drawer wherein the UV light source is disposed, a glass plate which covers the UV light source, and a metal frame which is used for attaching the glass plate to the body.
  • a movable plate structure which can cover the UV light source is not disclosed.
  • the aim of the present invention is the realization of a refrigerator comprising a movable plate which prevents the dispersion of UV rays when a drawer comprising the UV light source is opened by the user.
  • the refrigerator of the present invention comprises a support whereon at least one UV light source is disposed, and a plate which is provided under the support and which ensures that the UV rays are dispersed in the drawer only when the drawer is closed.
  • the plate is moved so as to be positioned in front of the UV light sources as the drawer is shifted from the closed position to the open position.
  • any light dispersion from the UV light source is prevented. Consequently, the user is not exposed to UV rays when the drawer is in the open position.
  • the support is a shelf which is placed onto the drawer and which is suitable for attaching the UV light source.
  • the plate comprises a metal material or a Teflon material.
  • the plate gains a reflective feature without being damaged by the UV rays.
  • the support and the plate have the same width and length.
  • the UV light source is a source which emits light at the UVC wavelength.
  • the UVC light sources emit a light in the range of 160-280 nm.
  • the UV light source is a U-shaped fluorescent lamp or a flat fluorescent lamp.
  • the plate further comprises a rear part which extends towards the rear wall of the drawer in perpendicular to the support.
  • an opening aligning with the part on the support where the UV light source is placed is provided on the plate.
  • the support and the plate are connected to each other by means of a spring.
  • One end of said spring is connected to the support by means of a first connection member and the other end of the spring is connected to the plate by means of a second connection member.
  • the plate can slidably move under the support. A force is exerted on the rear part of the plate when the drawer is closed. By means of said force, the spring stretches and the plate moves so as to be positioned in front of the UV light source.
  • the plate further acts as a reflector which enables the UV rays to disperse in the drawer while not covering the UV light sources.
  • the plate comprises a cover which extends towards the opening.
  • the force on the rear part is removed, and the spring is compressed and pushes the plate such that the cover extending towards the opening covers the UV light source so as to prevent the dispersion of the UV rays.
  • the cover is a part integrated with the plate which gains a depth by depressing the plate towards the drawer.
  • the UV rays are more efficiently prevented from dispersing.
  • a refrigerator is realized, which is operated such that the UV rays are emitted only when the drawer is closed.
  • Figure 1 - is the perspective view of the refrigerator of the present invention.
  • Figure 2 - is the perspective view of the support comprising the UV light source and the drawer in the refrigerator of the present invention.
  • Figure 3 - is the exploded view of the drawer, the support and the plate in the refrigerator of the present invention.
  • Figure 4 - is the sideways view of the cross-section A-A in Figure 2.
  • Figure 5 - is the detailed view of the B region in Figure 4.
  • Figure 6 - is the sideways view showing the movement of the plate relative to the support when the drawer is in the open position in the refrigerator of the present invention.
  • the elements illustrated in the figures are numbered as follows:
  • the refrigerator (1) comprises a body (2); a drawer (3) which is disposed in the body (2); at least one UV light source (4) which emits light into the drawer (3); and a support (5) whereon the UV light source (4) is placed.
  • the refrigerator (1) of the present invention comprises a plate (6) which is disposed between the drawer (3) and the support (5), and which moves together with the drawer (3) so as to cover the UV light source (4) when the drawer (3) is in the open position, and so as to move away from the front of the UV light source (4) when the drawer (3) is in the closed position.
  • the support (5) comprising the at least one UV light source (4) is placed onto the drawer (3).
  • the plate (6) is placed between the drawer (3) and the support (5). Said plate (6) does not cover the UV light source (4) when the drawer (3) is in the closed position.
  • the plate (6) moves together with the drawer (3) and covers the front of the UV light source
  • the plate (6) comprises a metal or Teflon material.
  • the plate (6) when moved to the front of the UV light sources (4), the plate (6) is not damaged by the UV rays and acts as a reflector for the UV rays when the drawer (3) is in the closed position.
  • the refrigerator (1) comprises the plate (6) having a rear part (9) which contacts the drawer (3) when the drawer (3) is in the closed position, and a spring (8) which stretches with the force exerted on the rear part (9) when the drawer (3) is in the closed position so as to move the plate (6) away from the front of the UV light source (4), and which is compressed when the force on the rear part (9) is removed upon shifting the drawer (3) to the open position such that the plate (6) moves together with the drawer (3) so as to cover the UV light source (4).
  • the plate (6) moves under the support (5) depending on the open-closed position of the drawer (3).
  • the refrigerator (1) comprises a housing (12) which receives the spring (8) and which is provided on the support (5), a first connection member (13) which connects one end of the spring (8) to the support (5) such that the plate (6) moves relative to the support (5), and a second connection member (14) which connects the other end of the spring (8) to the plate (6).
  • the refrigerator (1) comprises a channel (10) which is provided on the support (5) and the plate (6) having a claw (11) which slidably moves in the channel (10).
  • the plate (6) is enabled to easily move on the support (5).
  • the refrigerator (1) comprises the plate (6) having an opening (7) which aligns with the UV light source (4) when the drawer (3) is in the closed position. In said embodiment, it is ensured that the opening (7) aligns with the UV light source (4) as a result of the movement of the plate or that the plate (6) covers the front of the UV light source (4).
  • the refrigerator (1) comprises a cover (15) which is formed by depressing and deepening the plate (6) towards the drawer (3) and which extends towards the opening (7).
  • the UV rays are enabled to be more efficiently reflected towards the cover (15), and the UV rays are enabled to be better absorbed when the drawer (3) is opened.
  • a refrigerator (1) which controls the light emitted by the UV light source (4) as the drawer (3) is shifted to the open or closed position.

Landscapes

  • 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)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

The present invention relates to a refrigerator (1) comprising a body (2); a drawer (3) which is disposed in the body (2); at least one UV light source (4) which emits light into the drawer (3); and a support (5) whereon the UV light source (4) is placed.

Description

A REFRIGERATOR COMPRISING A UV LIGHT SOURCE
The present invention relates to a refrigerant comprising a UV light source.
There are many pathogenic microorganisms such as bacteria, viruses or harmful substances such as pesticide residues on the packaged foods, fruits and vegetables placed in the refrigerator. Especially when the packaged foods are placed in compartments without being cleaned, harmful microorganisms and substances on the packages directly threaten human health. Moreover, although vegetables and fruits are consumed after being washed, sometimes cleaning with water is not sufficient to remove bacteria and viruses.
In the state of the art, in order to provide the user with cleaner and safer foodstuffs, there are refrigerators comprising shelves or drawers with UV light sources.
In order to perform the sterilization process without harming the user, the state of the art cooling devices comprising the UV light source are enabled to emit light only when the door of the cooling device is closed.
In the state of the art, there are refrigerators wherein the UV light sources are activated after the sensors provided on the door of the cooling device detect that the door is closed. However, if there is a problem in the detection ability of the sensor in said refrigerators, it becomes impossible to prevent the UV light source from being activated and the user from being exposed to ultraviolet rays when the user opens the door and the drawer wherein the UV light source is disposed.
Moreover, in the cooling devices wherein the door cannot be detected to be closed, the user may be exposed to UV rays when the door or the drawer is opened.
In the state of the art Patent Document No. WO2013126961, a refrigerator is disclosed, comprising a drawer wherein the UV light source is disposed, a glass plate which covers the UV light source, and a metal frame which is used for attaching the glass plate to the body. However, in the state of the art patent document, a movable plate structure which can cover the UV light source is not disclosed. The aim of the present invention is the realization of a refrigerator comprising a movable plate which prevents the dispersion of UV rays when a drawer comprising the UV light source is opened by the user.
The refrigerator of the present invention comprises a support whereon at least one UV light source is disposed, and a plate which is provided under the support and which ensures that the UV rays are dispersed in the drawer only when the drawer is closed. The plate is moved so as to be positioned in front of the UV light sources as the drawer is shifted from the closed position to the open position. Thus, when the drawer is in the open position, any light dispersion from the UV light source is prevented. Consequently, the user is not exposed to UV rays when the drawer is in the open position.
In an embodiment of the present invention, the support is a shelf which is placed onto the drawer and which is suitable for attaching the UV light source.
In an embodiment of the present invention, the plate comprises a metal material or a Teflon material. Thus, the plate gains a reflective feature without being damaged by the UV rays.
In an embodiment of the present invention, the support and the plate have the same width and length.
In an embodiment of the present invention, the UV light source is a source which emits light at the UVC wavelength. The UVC light sources emit a light in the range of 160-280 nm.
In an embodiment of the present invention, the UV light source is a U-shaped fluorescent lamp or a flat fluorescent lamp.
In an embodiment of the present invention, the plate further comprises a rear part which extends towards the rear wall of the drawer in perpendicular to the support.
In an embodiment of the present invention, an opening aligning with the part on the support where the UV light source is placed is provided on the plate.
In an embodiment of the present invention, the support and the plate are connected to each other by means of a spring. One end of said spring is connected to the support by means of a first connection member and the other end of the spring is connected to the plate by means of a second connection member. Thus, the plate can slidably move under the support. A force is exerted on the rear part of the plate when the drawer is closed. By means of said force, the spring stretches and the plate moves so as to be positioned in front of the UV light source.
In the refrigerator of the present invention, the plate further acts as a reflector which enables the UV rays to disperse in the drawer while not covering the UV light sources.
In an embodiment of the present invention, the plate comprises a cover which extends towards the opening. In this embodiment, when the drawer is opened by the user, the force on the rear part is removed, and the spring is compressed and pushes the plate such that the cover extending towards the opening covers the UV light source so as to prevent the dispersion of the UV rays.
In an embodiment of the present invention, the cover is a part integrated with the plate which gains a depth by depressing the plate towards the drawer. By means of the deep structure, the UV rays are more efficiently prevented from dispersing.
By means of the present invention, a refrigerator is realized, which is operated such that the UV rays are emitted only when the drawer is closed.
The refrigerator 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 refrigerator of the present invention.
Figure 2 - is the perspective view of the support comprising the UV light source and the drawer in the refrigerator of the present invention.
Figure 3 - is the exploded view of the drawer, the support and the plate in the refrigerator of the present invention.
Figure 4 - is the sideways view of the cross-section A-A in Figure 2.
Figure 5 - is the detailed view of the B region in Figure 4.
Figure 6 - is the sideways view showing the movement of the plate relative to the support when the drawer is in the open position in the refrigerator of the present invention. The elements illustrated in the figures are numbered as follows:
1. Refrigerator
2. Body
3. Drawer
4. UV light source
5. Support
6. Plate
7. Opening
8. Spring
9. Rear part
10. Channel
11. Claw
12. Housing
13. First connection member
14. Second connection member
15. Cover
The refrigerator (1) comprises a body (2); a drawer (3) which is disposed in the body (2); at least one UV light source (4) which emits light into the drawer (3); and a support (5) whereon the UV light source (4) is placed. The refrigerator (1) of the present invention comprises a plate (6) which is disposed between the drawer (3) and the support (5), and which moves together with the drawer (3) so as to cover the UV light source (4) when the drawer (3) is in the open position, and so as to move away from the front of the UV light source (4) when the drawer (3) is in the closed position. In the refrigerator (1) of the present invention, the support (5) comprising the at least one UV light source (4) is placed onto the drawer (3). The plate (6) is placed between the drawer (3) and the support (5). Said plate (6) does not cover the UV light source (4) when the drawer (3) is in the closed position. When the drawer (3) is shifted to the open position, the plate (6) moves together with the drawer (3) and covers the front of the UV light source
(4). Thus, when the user opens the drawer (3), the UV rays are prevented from dispersing in the drawer (3).
In an embodiment of the present invention, the plate (6) comprises a metal or Teflon material. Thus, when moved to the front of the UV light sources (4), the plate (6) is not damaged by the UV rays and acts as a reflector for the UV rays when the drawer (3) is in the closed position.
In an embodiment of the present invention, the refrigerator (1) comprises the plate (6) having a rear part (9) which contacts the drawer (3) when the drawer (3) is in the closed position, and a spring (8) which stretches with the force exerted on the rear part (9) when the drawer (3) is in the closed position so as to move the plate (6) away from the front of the UV light source (4), and which is compressed when the force on the rear part (9) is removed upon shifting the drawer (3) to the open position such that the plate (6) moves together with the drawer (3) so as to cover the UV light source (4). Thus, the plate (6) moves under the support (5) depending on the open-closed position of the drawer (3).
In an embodiment of the present invention, the refrigerator (1) comprises a housing (12) which receives the spring (8) and which is provided on the support (5), a first connection member (13) which connects one end of the spring (8) to the support (5) such that the plate (6) moves relative to the support (5), and a second connection member (14) which connects the other end of the spring (8) to the plate (6). Thus, when the drawer (3) is shifted to the open position, the plate (6) is released and moves so as to the UV light source (4) while the support (5) does not move.
In an embodiment of the present invention, the refrigerator (1) comprises a channel (10) which is provided on the support (5) and the plate (6) having a claw (11) which slidably moves in the channel (10). By means of the channel (10) and the claw (11), the plate (6) is enabled to easily move on the support (5). In an embodiment of the present invention, the refrigerator (1) comprises the plate (6) having an opening (7) which aligns with the UV light source (4) when the drawer (3) is in the closed position. In said embodiment, it is ensured that the opening (7) aligns with the UV light source (4) as a result of the movement of the plate or that the plate (6) covers the front of the UV light source (4).
In an embodiment of the present invention, the refrigerator (1) comprises a cover (15) which is formed by depressing and deepening the plate (6) towards the drawer (3) and which extends towards the opening (7). Thus, the UV rays are enabled to be more efficiently reflected towards the cover (15), and the UV rays are enabled to be better absorbed when the drawer (3) is opened.
By means of the present invention, a refrigerator (1) is realized, which controls the light emitted by the UV light source (4) as the drawer (3) is shifted to the open or closed position.

Claims

1. A refrigerator (1) comprising a body (2); a drawer (3) which is disposed in the body (2); at least one UV light source (4) which emits light into the drawer (3); and a support (5) whereon the UV light source (4) is placed, characterized by a plate (6) which is disposed between the drawer (3) and the support (5), and which moves together with the drawer (3) so as to cover the UV light source (4) when the drawer (3) is in the open position, and so as to move away from the front of the UV light source (4) when the drawer (3) is in the closed position.
2. A refrigerator (1) as in Claim 1, characterized by the plate (6) comprising a metal or Teflon material.
3. A refrigerator (1) as in Claim 1 or 2, characterized by the plate (6) having a rear part (9) which contacts the drawer (3) when the drawer (3) is in the closed position, and a spring (8) which stretches with the force exerted on the rear part (9) when the drawer (3) is in the closed position so as to move the plate (6) away from the front of the UV light source (4), and which is compressed when the force on the rear part
(9) is removed upon shifting the drawer (3) to the open position such that the plate (6) moves together with the drawer (3) so as to cover the UV light source (4).
4. A refrigerator (1) as in Claim 3, characterized by a housing (12) which receives the spring (8) and which is provided on the support (5), a first connection member (13) which connects one end of the spring (8) to the support (5) such that the plate (6) moves relative to the support (5), and a second connection member (14) which connects the other end of the spring (8) to the plate (6).
5. A refrigerator (1) as in any one of the above claims, characterized by a channel
(10) which is provided on the support (5) and the plate (6) having a claw (11) which slidably moves in the channel (10).
6. A refrigerator (1) as in any one of the above claims, characterized by the plate (6) having an opening (7) which aligns with the UV light source (4) when the drawer (3) is in the closed position.
7. A refrigerator (1) as in Claim 6, characterized by a cover (15) which is formed by depressing and deepening the plate (6) towards the drawer (3) and which extends towards the opening (7).
EP21850071.8A 2020-07-29 2021-07-07 A refrigerator comprising a uv light source Active EP4196732B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2020/12071A TR202012071A2 (en) 2020-07-29 2020-07-29 A REFRIGERATOR WITH A UV LIGHT SOURCE
PCT/TR2021/050694 WO2022025846A1 (en) 2020-07-29 2021-07-07 A refrigerator comprising a uv light source

Publications (3)

Publication Number Publication Date
EP4196732A1 true EP4196732A1 (en) 2023-06-21
EP4196732A4 EP4196732A4 (en) 2024-10-02
EP4196732B1 EP4196732B1 (en) 2025-10-08

Family

ID=80035956

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21850071.8A Active EP4196732B1 (en) 2020-07-29 2021-07-07 A refrigerator comprising a uv light source

Country Status (4)

Country Link
EP (1) EP4196732B1 (en)
PL (1) PL4196732T3 (en)
TR (1) TR202012071A2 (en)
WO (1) WO2022025846A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101780397B1 (en) * 2010-11-03 2017-09-21 엘지이노텍 주식회사 Refrigerator with ultra violet light emitting diode
WO2013126961A1 (en) * 2012-03-02 2013-09-06 Electrolux Home Products Pty Limited A light treatment apparatus assisting with preservation of food in appliances
WO2018121859A1 (en) * 2016-12-28 2018-07-05 Arcelik Anonim Sirketi A cooling device
CN210329221U (en) * 2019-04-26 2020-04-17 厦门三安光电有限公司 A kind of LED module and refrigerating device for sterilization and bacteriostasis in refrigerating room
CN210078380U (en) * 2019-05-31 2020-02-18 大连可谷生物科技有限公司 Freezer sterilizing equipment

Also Published As

Publication number Publication date
EP4196732A4 (en) 2024-10-02
WO2022025846A1 (en) 2022-02-03
EP4196732B1 (en) 2025-10-08
PL4196732T3 (en) 2026-02-23
TR202012071A2 (en) 2022-02-21

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