WO2022191809A1 - Vitrine réfrigérée ouverte avec système en cascade d'évaporation de l'humidité de condensation - Google Patents

Vitrine réfrigérée ouverte avec système en cascade d'évaporation de l'humidité de condensation Download PDF

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Publication number
WO2022191809A1
WO2022191809A1 PCT/UA2022/000011 UA2022000011W WO2022191809A1 WO 2022191809 A1 WO2022191809 A1 WO 2022191809A1 UA 2022000011 W UA2022000011 W UA 2022000011W WO 2022191809 A1 WO2022191809 A1 WO 2022191809A1
Authority
WO
WIPO (PCT)
Prior art keywords
condensation
condenser
moisture
condensation moisture
container
Prior art date
Application number
PCT/UA2022/000011
Other languages
English (en)
Russian (ru)
Inventor
Виктор Александрович ЛУКЪЯНЧУК
Сергей Александрович МАСЛОВСКИЙ
Тарас Валерьевич МАЗУРОК
Original Assignee
Совместное Предприятие В Форме Общества С Ограниченной Ответственностью "Модерн-Экспо"
Коустрок Холдингз Лимитед
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
Priority claimed from UAA202101168A external-priority patent/UA126877C2/uk
Priority claimed from UAU202101170U external-priority patent/UA148461U/uk
Application filed by Совместное Предприятие В Форме Общества С Ограниченной Ответственностью "Модерн-Экспо", Коустрок Холдингз Лимитед filed Critical Совместное Предприятие В Форме Общества С Ограниченной Ответственностью "Модерн-Экспо"
Priority to EP22767625.1A priority Critical patent/EP4137013A4/fr
Publication of WO2022191809A1 publication Critical patent/WO2022191809A1/fr

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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/14—Collecting or removing condensed and defrost water; Drip trays
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
    • A47F3/0439—Cases or cabinets of the open type
    • A47F3/0443—Cases or cabinets of the open type with forced air circulation
    • A47F3/0447—Cases or cabinets of the open type with forced air circulation with air curtains
    • 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
    • F25D2321/00—Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
    • F25D2321/14—Collecting condense or defrost water; Removing condense or defrost water
    • F25D2321/141—Removal by evaporation
    • 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
    • F25D2321/00—Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
    • F25D2321/14—Collecting condense or defrost water; Removing condense or defrost water
    • F25D2321/145—Collecting condense or defrost water; Removing condense or defrost water characterised by multiple collecting pans

Definitions

  • the invention relates to commercial refrigeration equipment, in particular, to means for removing condensation moisture during operation of open refrigerated display cases.
  • Open refrigerated showcases are one of the most common types of commercial refrigeration equipment, this is due to the ease of use in self-service retail establishments.
  • the buyer has constant free access to goods that require special conditions.
  • the operation of the refrigerated display case provides for the supply of cooled air to the storage area of goods through the perforations of the rear wall.
  • cooled air is supplied through a special channel to the opening in the front of the shelf.
  • SUBSTITUTE SHEET (RULE 26) thereby providing access to the warm air of the environment to the interior of the showcase.
  • the supply of cooled air is automatically increased, but at the same time, the amount of condensation moisture generated during the operation of the refrigerated display case increases.
  • a large amount of condensation moisture is a characteristic of the operation of all open refrigerated display cases.
  • an important technical task in the development and improvement of the design of open refrigerated display cases is a rational system for removing this moisture, which would have high performance, low energy consumption and ease of use.
  • the means for removing condensation moisture include a tray installed under the evaporator and associated with the compressor of the refrigeration unit located in the lower compartment of the refrigerated display case.
  • the drip tray drain tube runs from the top of the cabinet to the bottom compartment through an internal channel.
  • the end of the drain tube is connected to a water-collecting bath designed to evaporate the condensation moisture, installed in such a way as to provide thermal contact with the heat-loaded element of the compressor.
  • the condensate drain pan is stepped and contains at least two installed a gap above each other of inclined drainage gutters, the lower of which is connected to the drainage pipe.
  • the disadvantage of the described analog is the low performance of the evaporation of moisture condensation, due to the insufficiently high temperature of the heat-loaded compressor element and the small area of evaporation.
  • Known apparatus for cooling and conditioning [US20130031921 , publ. 02/07/2013], including compressor, condenser, expansion valve and evaporator, evaporator heating device during the defrost cycle, drain pan into which melt water enters, drain pan heater, frost detection sensor on the evaporator and moisture sensor in the drain pan, and a controller that controls the on/off of the evaporator and drain pan heaters.
  • the moisture from the drain pan is evaporated by a heating element controlled by a sensor and a controller.
  • the disadvantage of the described analogue is the high energy consumption, requiring evaporation in the event of a large amount of moisture.
  • Known improved refrigeration equipment [WO2006121347, publ. 11/16/2006], including an evaporator, compressor, condenser, a fan and a tray for collecting water when defrosting the refrigerator, housed in a closed case containing ventilation holes.
  • a tray designed to evaporate water.
  • the fan, enclosed case and tray are designed so that when the fan is used, it will move air through the case over the surface of the tray, which helps to evaporate the condensation moisture.
  • the disadvantage of the described analogue is the insufficient productivity of evaporation of moisture, due to the small area of evaporation and insufficient evaporation efficiency by means of only a fan.
  • the refrigerator contains an evaporative element made of a porous and/or hygroscopic material, including a plurality of separate plates and a wetting device located above the evaporator and evenly distributing moisture along its length. This provides for the possibility of rotation of the evaporation device for wetting in the tray. To intensify the evaporation process, the heat of the compressor is used.
  • the disadvantages of the analog are the limited scope, because it is intended for a household refrigerator, as well as the insufficient evaporation efficiency, which cannot ensure the removal of an increased amount of condensation moisture, which is typical for an open refrigerated display case.
  • the invention is based on the problem of developing an open refrigerated display case that includes an evaporation means that will provide high evaporation performance with a large amount of moisture entering at rational energy consumption and ease of operation.
  • an open refrigerated display case containing a heat-insulated housing in which a heat exchanger and means for supplying cooled air to the storage and display area of goods and to create an air curtain, as well as a pallet where: a compressor-condensing unit, condenser cooling means are installed ; condensation dehumidification system.
  • the invention according to the technical solution is characterized in that the condensation moisture evaporation system comprises a set of at least three containers, which are arranged in a cascade one above the other. A set of containers is installed at the bottom thermally insulated housing under the condensate drain.
  • the upper container has the smallest size, and the lower container is the largest, which ensures spontaneous overflow of condensation moisture from the upper to the middle, and then to the lower container, which contains a cassette with a fabric evaporator, in front of which the condenser cooling means (fans) are located, and behind a cascade set of containers placed an opening in the rear wall of the showcase to remove the air flow created by the means of cooling the condenser (fans) and passing through the condensation moisture evaporation system to the outside of the showcase.
  • a cassette with a fabric evaporator in front of which the condenser cooling means (fans) are located, and behind a cascade set of containers placed an opening in the rear wall of the showcase to remove the air flow created by the means of cooling the condenser (fans) and passing through the condensation moisture evaporation system to the outside of the showcase.
  • the heat exchanger is installed in the discharge channel, which is located in the rear part of the heat-insulated case of the showcase, while the condensation moisture drains through the outlet pipe, the lower end of which is immersed in a tray located in the showcase tray, from this tray the condensation moisture enters the upper capacity of the cascade set.
  • the middle capacitance of the cascaded set can be additionally equipped with a tube leading from the condenser.
  • the lower container can be additionally equipped with a heating element.
  • Fig. 1 - shows a general view of an open refrigerated display case (front view); in fig. 2 - shows a general view of an open refrigerated display case (rear view); in fig. 3 - shows an open refrigerated showcase in section; in fig. 4 - shows the condensing unit and the condensation moisture removal system (general view); in fig. 5 - shows the condensing unit and the condensation moisture removal system (side view); in fig. 6 - shows a cascade set of containers without additional heating means; in fig. 7 - shows a cascade set of tanks with an additional equipment of medium capacity with a condenser tube using the heat of condensation; in fig. 8 shows a cascade set of tanks with an additional equipment of a medium capacity, a condenser tube using the heat of condensation, and an additional equipment of the lower tank, a heating element.
  • the open refrigerating show-window contains the heat-insulated case (1) under which is located pallet (2).
  • a heat exchanger (evaporator) (3) and a means of supplying cooled air (fan) (4) through the discharge channel (5) to the storage and display area of goods (6) and the outlet (7) for creating an air curtain are installed in the heat-insulated housing (1).
  • An outlet pipe (8) is installed under the evaporator, which is immersed in the condensation moisture of the collection tray (9) located under the heat-insulated housing (1) in the upper part of the tray (2). From the collection tray (9) the condensation moisture is overflowed into the cascade set of containers (10) of the condensation moisture removal system.
  • the cascade set of containers contains the upper container (101), the middle container (102) and the lower container (103).
  • the middle tank (103) in the front part there is a fabric evaporator cassette (11) located opposite the means of cooling the condenser (12) - fans (13).
  • the middle tank (102) of the cascade set (10) can be equipped with a tube (14) diverted from the condenser (12), the tube (14) is heat loaded.
  • the lower container (103) of the cascade (10) is equipped with a heating element (15).
  • an open refrigerated display case consists in cooling the air and supplying it to the storage and display area of the goods.
  • the compressor (17) supplies the refrigerant to the heat exchanger (evaporator) (3), which is located in the discharge channel (5) of the heat-insulated housing (1) of the refrigerated display case.
  • the heat exchanger evaporator
  • cooled air is supplied through the perforations in the display case wall to the storage and display area (6), as well as to the outlet (7) to form an air curtain.
  • the refrigerant is cooled and passes into the liquid phase in the condenser (12), in front of which fans (13) are installed to ensure the efficiency of cooling and condensation of the refrigerant, which provide cooling of the condenser by moving air masses.
  • the compressor (17) and the condenser (12) are installed in the tray (2) of the refrigerated display case. Condensation moisture from the thermally insulated housing (1) with the help of a drain tube (8) enters the collection tray (9), which is located in the tray (2) under the thermally insulated housing (1).
  • the condensation moisture by overflowing enters the upper container (101) of the cascade set (10). Further, it is poured into the middle container (102) and then into the lower container (103). Since the perimeter of the middle container (102) is greater than the perimeter of the upper container (101), the perimeter of the lower container (103) is greater than the perimeter of the middle container (102), spontaneous overflow of water occurs.
  • a cassette with a fabric evaporator (11) is installed, containing a set of surfaces made of hygroscopic material, the lower edge of which is immersed in water falling into the lower container (103) of the cascade (10). Due to the hygroscopic properties of the cassette material, water rises through the capillaries of the tissue and enters the air flow of the fans (13) of the condenser (12), which intensifies the evaporation of moisture by increasing evaporation surfaces.
  • the basic configuration does not provide for additional means of heating in the tanks (102) and (103), while it fully performs the work of removing condensation moisture from the showcase tray, given its large dimensions, and as a result of the large evaporation area formed by a cascade set of containers (10 ).
  • the performance of such a system is 14...22 l/day and does not require additional energy costs to remove condensation moisture.
  • the invention provides for additional intensification of the evaporation process by passing a tube (14) of the condenser (12) through the middle container (102). This does not require the use of additional energy and improves the process of cooling and condensation of the refrigerant, but is associated only with the design of the product.
  • a heating element (15) is installed in the lower container (103), which turns on when it is completely covered with water, i.e. the volume of water becomes greater than that which can be removed without its use. This optimizes energy costs and provides the necessary performance to remove moisture for small-sized open refrigerated display cases.
  • the application of the claimed technical solution provides an increase in the efficiency of removing condensation moisture from the internal volume of an open refrigerating display case, rational energy consumption, convenience and reliability of operation.
  • the claimed technical solution was tested in the laboratory of JV MODERN-EXPO LLC, accredited by the National Accreditation Agency of Ukraine according to the DSTU ISO/IEC 17025:2017 standard (ISO/IEC 17025:2017), decision ⁇ "201554 from 15.1 technical result"
  • the technical solution is described in full and can be implemented with using industrial technologies, therefore, meets the criterion of patentability of the invention "industrial suitability".

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Removal Of Water From Condensation And Defrosting (AREA)

Abstract

L'invention, qui concerne une vitrine réfrigérée ouverte, se rapporte au domaine des équipements commerciaux et est destinée au stockage et à la présentation de produits selon des paramètres de température donnés. L'objectif technique de la présente invention est d'augmenter le rendement de l'évaporation de l'humidité de condensation avec une consommation énergétique rationnelle. L'invention concerne une vitrine réfrigérée ouverte comprenant un corps d'isolation thermique avec un échangeur de chaleur et des moyens d'alimentation en air réfrigéré dans la zone de stockage es produits et, afin de créer un rideau d'air, un compresseur (17) et un condenseur (12); l'invention est caractérisée en ce que le système d'évaporation de l'humidité de condensation comprend un ensemble (10) d'au moins trois récipients qui sont disposés en cascade dans la partie inférieure du corps d'isolation thermique sous le moyen d'évacuation du condensat; le récipient supérieur possède la plus petite taille, et le récipient inférieur la plus grande, ce qui empêche le transfert spontané de l'humidité de condensation du récipient supérieur vers le récipient intermédiaire puis vers le récipient inférieur qui comprend une cassette (11) avec un évaporateur à tissu en amont duquel se trouvent de de refroidissement du condenseur (13); en aval de l'ensemble en cascade (10) se trouve une ouverture dans la paroi arrière de la vitrine afin d'évacuer le flux d'air généré par les ventilateurs du condenseur et qui a traversé le système d'évaporation de l'humidité de condensation vers l'extérieur de la vitrine.
PCT/UA2022/000011 2021-03-09 2022-03-09 Vitrine réfrigérée ouverte avec système en cascade d'évaporation de l'humidité de condensation WO2022191809A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22767625.1A EP4137013A4 (fr) 2021-03-09 2022-03-09 Vitrine réfrigérée ouverte avec système en cascade d'évaporation de l'humidité de condensation

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
UAU202101170 2021-03-09
UAA202101168A UA126877C2 (uk) 2021-03-09 2021-03-09 Відкрита холодильна вітрина із каскадною системою випаровування вологи конденсації
UAU202101170U UA148461U (uk) 2021-03-09 2021-03-09 Відкрита холодильна вітрина із каскадною системою випаровування вологи конденсації
UAA202101168 2021-03-09

Publications (1)

Publication Number Publication Date
WO2022191809A1 true WO2022191809A1 (fr) 2022-09-15

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EP (1) EP4137013A4 (fr)
WO (1) WO2022191809A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1352159A1 (ru) * 1986-06-13 1987-11-15 Московский автомобильный завод им.И.А.Лихачева Лоток дл приема льда и талой воды при оттаивании испарител
RU2077686C1 (ru) * 1995-02-15 1997-04-20 Акционерное общество "Муромский машиностроительный завод" Устройство для отвода талой воды при оттайке испарителя бытового холодильного прибора
JPH10257944A (ja) * 1997-03-18 1998-09-29 Sanyo Electric Co Ltd 花用冷却ショーケース
RU12943U1 (ru) 1999-06-15 2000-03-20 Ломакин Дмитрий Анатольевич Охлаждаемая витрина
WO2006121347A1 (fr) 2005-05-10 2006-11-16 Skope Industries Limited Appareil de réfrigération amélioré
RU2406046C2 (ru) * 2005-09-12 2010-12-10 Бсх Бош Унд Сименс Хаусгерете Гмбх Холодильный аппарат и испаритель талой воды для такого аппарата
US20130031921A1 (en) 2010-05-26 2013-02-07 Mitsubishi Electric Corporation Refrigerating and air-conditioning apparatus
US20130098091A1 (en) * 2011-10-24 2013-04-25 Hill Phoenix, Inc. Refrigeration device with evaporative condensate dissipation system
DE102013208236A1 (de) 2013-05-06 2014-11-06 BSH Bosch und Siemens Hausgeräte GmbH Haushaltskältegerät mit einer Tauwassersammel- und Verdunstungsvorrichtung, welche eine Mehrzahl von separaten Platten und eine Benetzungseinrichtung aufweist
CN204678778U (zh) * 2015-05-07 2015-09-30 青岛海尔股份有限公司 冰箱内冷凝装置及冰箱

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2698255B2 (ja) * 1991-11-20 1998-01-19 三洋電機株式会社 ドレン水蒸発装置
JPH07133977A (ja) * 1993-11-10 1995-05-23 Sanyo Electric Co Ltd ドレン水蒸発装置
JP2000274986A (ja) * 1999-03-19 2000-10-06 Hokuyo Paper Co Ltd 水分吸収及び蒸発用ブロック
JP2005274088A (ja) * 2004-03-26 2005-10-06 Sanyo Electric Co Ltd 蒸発装置

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1352159A1 (ru) * 1986-06-13 1987-11-15 Московский автомобильный завод им.И.А.Лихачева Лоток дл приема льда и талой воды при оттаивании испарител
RU2077686C1 (ru) * 1995-02-15 1997-04-20 Акционерное общество "Муромский машиностроительный завод" Устройство для отвода талой воды при оттайке испарителя бытового холодильного прибора
JPH10257944A (ja) * 1997-03-18 1998-09-29 Sanyo Electric Co Ltd 花用冷却ショーケース
RU12943U1 (ru) 1999-06-15 2000-03-20 Ломакин Дмитрий Анатольевич Охлаждаемая витрина
WO2006121347A1 (fr) 2005-05-10 2006-11-16 Skope Industries Limited Appareil de réfrigération amélioré
RU2406046C2 (ru) * 2005-09-12 2010-12-10 Бсх Бош Унд Сименс Хаусгерете Гмбх Холодильный аппарат и испаритель талой воды для такого аппарата
US20130031921A1 (en) 2010-05-26 2013-02-07 Mitsubishi Electric Corporation Refrigerating and air-conditioning apparatus
US20130098091A1 (en) * 2011-10-24 2013-04-25 Hill Phoenix, Inc. Refrigeration device with evaporative condensate dissipation system
DE102013208236A1 (de) 2013-05-06 2014-11-06 BSH Bosch und Siemens Hausgeräte GmbH Haushaltskältegerät mit einer Tauwassersammel- und Verdunstungsvorrichtung, welche eine Mehrzahl von separaten Platten und eine Benetzungseinrichtung aufweist
CN204678778U (zh) * 2015-05-07 2015-09-30 青岛海尔股份有限公司 冰箱内冷凝装置及冰箱

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4137013A4

Also Published As

Publication number Publication date
EP4137013A4 (fr) 2024-07-17
EP4137013A1 (fr) 2023-02-22

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