WO2024007763A1 - Équipement de réfrigération et son procédé de commande - Google Patents

Équipement de réfrigération et son procédé de commande Download PDF

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Publication number
WO2024007763A1
WO2024007763A1 PCT/CN2023/096526 CN2023096526W WO2024007763A1 WO 2024007763 A1 WO2024007763 A1 WO 2024007763A1 CN 2023096526 W CN2023096526 W CN 2023096526W WO 2024007763 A1 WO2024007763 A1 WO 2024007763A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
refrigeration equipment
evaporation
dish
evaporation device
Prior art date
Application number
PCT/CN2023/096526
Other languages
English (en)
Chinese (zh)
Inventor
唐松志
刘庆林
张守江
Original Assignee
青岛海尔电冰箱有限公司
海尔智家股份有限公司
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 青岛海尔电冰箱有限公司, 海尔智家股份有限公司 filed Critical 青岛海尔电冰箱有限公司
Publication of WO2024007763A1 publication Critical patent/WO2024007763A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/40—Fluid line arrangements
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/022—Compressor control arrangements
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • 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
    • F25D2600/00—Control issues
    • F25D2600/06—Controlling according to a predetermined profile

Definitions

  • the present invention relates to the field of refrigeration technology, and in particular to a refrigeration equipment and a control method thereof.
  • the defrost water generated during defrost of the existing air-cooled refrigeration equipment is discharged along the drainage pipe 5' to the evaporation dish 6' of the compressor chamber 1' and evaporates.
  • a heating pipe 9′ is provided in the water receiving tray, or the evaporation rate of the water in the water receiving tray is increased by using the heat of the compressor 2′ and the condenser 3′.
  • the condensing fan 4′ does not work, and a large amount of defrost water accumulates in the evaporator.
  • the startup time of the compressor and condensing fan is short, and the heat and air flow are insufficient.
  • the evaporation effect is not ideal.
  • the present invention provides a refrigeration equipment and a method thereof to solve one of the above problems.
  • a kind of refrigeration equipment including a box body, the box body has a defrost chamber and a compressor chamber.
  • the refrigeration equipment also includes an evaporation dish located in the compressor chamber, connecting the defrost chamber and the compressor chamber.
  • the drainage pipe, the refrigeration equipment also includes a moisture evaporation device located in the evaporation dish, and the moisture evaporation device is provided with a water inlet structure for the water outlet end of the drainage pipe to extend into.
  • the end edge of the moisture evaporation device extends to the inner wall of the press chamber, and the water inlet structure is located in the middle and upper part of the moisture evaporation device.
  • the water inlet structure is located at the upper end of the water evaporation device, and the drainage pipe includes a first section connected to the defrost chamber and a second section connected to the first section, and the second section is embedded in the In the water evaporation device.
  • the second section is bent and extended from the first section with its water outlet end facing upward, and the water outlet end is higher than the lowest point of the second section.
  • the water evaporation device includes a water-absorbing member and a bracket for fixing the water-absorbing member, the second section is embedded in the water-absorbing member, and the water outlet end is not lower than the top of the water-absorbing member.
  • the evaporation dish is provided with a water level sensor, and the water level sensor is located at the middle and upper part of the side wall of the evaporation dish.
  • a heating tube is provided in the evaporation dish.
  • the refrigeration equipment also includes an evaporator and a condensing fan spaced apart in the compressor chamber, the evaporator is located between the condensing fan and the evaporation dish, and the moisture evaporation device is close to the evaporator. set up;
  • the evaporation dish is located between the evaporator and the condensing fan, and the moisture evaporation device is located close to the condensing fan.
  • the present invention also provides a control method for refrigeration equipment, wherein a condensing fan is further provided in the compressor chamber, and the condensing fan and the moisture evaporation device are arranged at intervals.
  • the control method includes:
  • the refrigeration equipment is turned on,
  • the water level in the evaporating dish is obtained in real time. If the water level in the evaporating dish reaches the preset water level, the condensing fan is controlled to work.
  • control method also includes: if the water level in the evaporating dish does not reach the preset water level;
  • the beneficial effect of the present invention is that: in the refrigeration equipment of the present invention, by connecting the drainage pipe and the moisture evaporation device, the defrost water in the drainage pipe is discharged into the evaporation dish through the moisture evaporation device, and the moisture flows through During the process of the water evaporation device, the evaporation area of water is also increased, thereby increasing the evaporation rate of water, and avoiding the hidden danger of overflowing to the outside of the evaporation dish caused by too slow evaporation of water in the evaporation dish.
  • Figure 1 is a schematic diagram of the arrangement of various components in the compressor chamber of existing refrigeration equipment.
  • Fig. 2 is a schematic diagram of the arrangement of various components in the compressor chamber in one embodiment of the refrigeration equipment of the present invention.
  • Figure 3 is a schematic diagram of the arrangement of various components in the compressor compartment of another embodiment of the refrigeration equipment of the present invention.
  • Figure 4 is a schematic side structural view of the press chamber in the embodiment of Figure 2.
  • Figure 5 is a flow chart of the control method of the refrigeration equipment of the present invention.
  • 1-press chamber 2-compressor, 3-condenser, 4-condensing fan, 5-drainage pipe, 51-first section, 52-second section, 6-evaporation dish, 8-moisture evaporation Device, 81-Absorbent parts, 82- Bracket, 9-heating tube, 10-water level sensor.
  • orientation or positional relationship indicated by the terms “upper”, “lower”, etc. is based on the orientation or positional relationship shown in the auxiliary drawings, and is only for the convenience of simplifying the description of the present invention, rather than indicating or implying the device to which it refers. It must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the scope of the invention.
  • the user's operating surface is referred to as the front
  • the direction toward the ground is referred to as downward
  • the direction away from the ground is referred to as upward.
  • Other descriptions indicating the orientation are based on “up” and “down”. benchmark defined.
  • the refrigeration equipment includes a box, the box has a defrost chamber and a compressor chamber 1, the refrigeration equipment also includes a compressor chamber 1
  • the refrigeration equipment also includes a water evaporation device 8 located in the evaporation dish 6.
  • the water evaporation device 8 is provided with a water inlet structure into which the water outlet end of the drainage pipe 5 extends.
  • the refrigeration equipment of the present invention directly transmits the defrost water in the drainage pipe 5 to the evaporation dish 6 through the water inlet structure on the moisture evaporation device 8. While the moisture is transmitted in the moisture evaporation device 8, part of it is also evaporated, and That is, the evaporation area is increased during the transmission of water to the evaporation dish 6 in the five drainage pipes, thereby increasing the evaporation speed of the water and preventing the water from overflowing to the outside of the evaporation dish 6 .
  • the end edge of the moisture evaporation device 8 extends to the inner wall of the press chamber 1, the upper end of the moisture evaporation device 8 extends to the top wall of the press chamber 1, and the lower end of the moisture evaporation device 8 extends to The bottom wall of the press chamber 1, the front and rear sections of the water seal evaporation device extend to the front and rear walls of the press chamber 1, that is, the water evaporation device 8 divides the press chamber 1 into two parts, so that the water evaporation device 8.
  • the expanded area is as large as possible to maximize the evaporation area and increase the rate of water evaporation.
  • the water inlet structure is located in the middle and upper part of the moisture evaporation device 8, so that the water in the drainage pipe 5 from the upper part to the lower part of the moisture evaporation device 8 is used to absorb and transmit moisture, without wasting the area in the press chamber. .
  • the water inlet structure is located at the upper end of the water evaporation device 8, that is, the drainage pipe 5 has already entered the water evaporation device 8 when entering the press chamber 1, so that the water evaporates.
  • Device 8 absorbs and transports moisture adequately.
  • the drainage pipe 5 includes a first section 51 connected to the defrost chamber, and a second section 52 connected to the first section 51.
  • the second section 52 is embedded in the water evaporation device 8, so as to The defrost water in the defrost chamber is directly discharged into the moisture evaporation device 8 through the drainage pipe 5 .
  • the second section 52 is bent and extended from the first section 51 with its water outlet end facing upward, and the water outlet end is higher than the lowest point of the second section 52, so that the defrosting Water collects at the bend of the second section 52, and the sealing of the water in the drainage pipe 5 is used to prevent air from flowing between the defrost chamber and the press chamber 1.
  • the drain pipe 5 enters the compressor chamber 1, causing cold air to leak.
  • it can prevent the hot air in the compressor chamber 1 from entering the defrost chamber through the drain pipe 5, thus preventing the temperature in the defrost chamber from being unstable. .
  • the water outlet end of the water outlet pipe is not lower than the top of the water absorbing member 81 , so that all water will pass through the water absorbing member 81 and then enter the evaporation dish 6 .
  • the moisture evaporation device 8 includes a water-absorbing member 81 and a bracket 82 for fixing the water-absorbing member 81.
  • the bracket 82 is used to vertically position the water-absorbing member 81 on the top wall and bottom of the press chamber 1. on the wall.
  • the bracket 82 includes a pair of support plates located on both sides of the water-absorbent member 81 , and the water-absorbent member 81 is limited between the pair of support plates.
  • the second section 52 is directly embedded in the water absorbing member 81 from the upper end of the moisture evaporation device 8 through the water inlet structure.
  • the water inlet structure is a through hole for the first section 51 to penetrate one of the support plates.
  • the first section 51 is fixed on the through hole, and the second section 51 is fixed on the through hole.
  • the segment 52 passes through the through hole and is embedded in the water-absorbing member 81 .
  • the evaporation dish 6 is provided with a water level sensor 10 , and the water level sensor 10 is located in the middle and upper part of the side wall of the evaporation dish 6 .
  • the refrigeration equipment also includes a control unit communicatively connected to the water level sensor 10 unit, the water level sensor 10 detects the water level height in the evaporation dish 6 in real time and transmits the relevant information of the water level height to the control unit.
  • a lower water level sensor 10 is also provided in the evaporation dish 6.
  • the lower water level sensor 10 is located on the bottom wall of the evaporation dish 6 and is mainly used to monitor whether there is defrost water in the evaporation dish 6.
  • the control unit determines whether defrost water begins to enter the evaporation dish 6.
  • the water level height information of the sensor 10 is used to make predictions, and works together with the water level sensor 10 to play a dual monitoring role.
  • the evaporation dishes 6 are equipped with heating tubes 9 for heating the defrost water and increasing the evaporation rate of the defrost water.
  • the heating tube 9 is connected to the condensation tube of the condenser 3 or is a part of the condensation tube, and the heat of the condenser 3 is used to increase the temperature of the defrost water in the evaporation dish 6 to increase the evaporation rate. Purpose.
  • the refrigeration equipment also includes a compressor 2, a condenser 3 and a condensing fan 4 spaced apart in the compressor chamber 1.
  • the condensing fan 4 is communicated with the control unit.
  • the compressor 2 When the compressor 2 is working for refrigeration or needs to be accelerated, When the defrost water in the evaporator dish 6 is evaporated, the condensation fan 4 is controlled to be turned on, and the flow of air above the evaporator dish 6 is increased to increase the speed of water evaporation.
  • the positions of the compressor 2, condenser 3, condensing fan 4, and evaporating dish 6 are arranged in sequence along the transverse direction: compressor 2, condensing fan 4, condensing fan 4, and condensing fan 4.
  • Evaporation dish 6, that is, the evaporation dish 6 is located on the side of the evaporator away from the fan, and the moisture evaporation device 8 is arranged close to the evaporator.
  • the condensing fan 4 the gas enters from the side of the compressor chamber 1 close to the evaporation dish 6 and flows out from the side close to the compressor 2.
  • the air passes through the moisture evaporation device 8 and takes away the moisture. At the same time, it passes through the condensing fan.
  • the function of 4 increases the air flow speed above the evaporator 6 to achieve the purpose of rapid evaporation of defrost water.
  • the positions of the compressor 2, condenser 3, condensing fan 4, and evaporating dish 6 are arranged in order along the transverse direction: compressor 2, condensing fan 4,
  • the evaporating dish 6 and the condenser 3, that is, the evaporating dish 6 is located between the condensing fan 4 and the condenser 3.
  • the moisture evaporation device 8 is placed close to the condensing fan 4. Under the action of the condensing fan 4, The gas enters from the side of the compressor chamber 1 close to the condenser 3 and flows out from the side close to the compressor 2.
  • the air passes through the condenser 3, evaporation dish 6, and moisture evaporation device 8.
  • the air passes through the condenser 3 once. Heat exchange causes the air to heat up.
  • the hot air passes through the evaporator 6 and the water evaporation device 8, and undergoes another heat exchange with the defrost water. While increasing the flow speed of the air, it also increases the temperature of the defrost water, further improving rapid evaporation. The purpose of defrost water.
  • the present invention also provides a control method for the above-mentioned refrigeration equipment.
  • the control method of the present invention increases the evaporation rate of water in the evaporation dish 6 and the water evaporation device 8 by accelerating the air flow.
  • the control method includes: starting the refrigeration equipment, repeating the working cycle of compressor 2 and stopping compressor 2, and executing the defrost program when the evaporator needs to be defrosted.
  • the water level sensor 10 acquires the water level in the evaporating dish 6 in real time, and determines whether the water level in the evaporating dish 6 reaches the preset water level. If so, the condensing fan 4 is controlled to work.
  • the control of the condensing fan 4 includes: controlling the condensing fan 4 to continue working. Or control the condensation fan 4 to start working. As long as the water level sensor 10 detects that the water level in the evaporation dish 6 reaches the preset water level, the condensation fan 4 will work. The fan increases the flow of air to increase the moisture in the evaporation dish 6 and the evaporation device 8. According to the evaporation rate of water, if the condensing fan 4 is working, it will continue to work. If the condensing fan 4 is in a stopped state, the control unit controls the condensing fan 4 to start working.
  • the control unit controls the operation of the condensing fan 4 to increase the speed of water evaporation by increasing the air flow to evaporate the water seal in the evaporation dish 6 in advance to prevent the water in the evaporation dish 6 from overflowing the evaporation dish 6 That is, this operation can predict the amount of water in the evaporator 6 in advance based on whether the refrigeration equipment is defrosting, so as to avoid the situation where a large amount of defrost water enters the evaporator 6 and no measures are taken.
  • the refrigeration equipment does not execute the defrost program, it will continue to determine whether the compressor 2 is turned on. If so, the condensing fan 4 will be controlled to continue working. If not, a large amount of defrost water will not enter the evaporator 6, and the program will continue to be executed. While running the program, continue to obtain the water level height in the evaporating dish 6 in real time.
  • the refrigeration equipment of the present invention connects the drainage pipe 5 and the water evaporation device 8.
  • the defrost water in the drainage pipe 5 is discharged into the evaporation dish 6 through the water evaporation device 8, and the water flows through the water evaporation device 8.
  • the evaporation area of water is also increased, thereby increasing the evaporation speed of water, avoiding the hidden danger of overflowing outside the evaporation dish 6 due to too slow evaporation speed of water in the evaporation dish 6, and improving the user experience.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Removal Of Water From Condensation And Defrosting (AREA)

Abstract

L'invention concerne un équipement de réfrigération et son procédé de commande. L'équipement de réfrigération comprend un corps de boîtier, qui comprend une chambre de dégivrage et une chambre de compartiment de compresseur (1). L'équipement de réfrigération comprend en outre un bac d'évaporation (6) disposé dans la chambre de compartiment de compresseur (1), un tuyau de drainage (5) en communication avec la chambre de dégivrage et la chambre de compartiment de compresseur (1), et un dispositif d'évaporation d'humidité (8) disposé dans le bac d'évaporation (6). Le dispositif d'évaporation d'humidité (8) est pourvu d'une structure d'entrée d'eau dans laquelle une extrémité de sortie d'eau du tuyau de drainage (5) peut s'étendre. Sur la base de la structure de l'équipement de réfrigération, l'eau provenant du givre dans le tuyau de drainage (5) est évacuée dans le bac d'évaporation (6) au moyen du dispositif d'évaporation d'humidité (8). Dans le processus d'écoulement d'eau à travers le dispositif d'évaporation d'humidité (8), la zone d'évaporation de l'eau est augmentée, ainsi la vitesse d'évaporation de l'eau est augmentée, et le risque caché de débordement vers l'extérieur du bac d'évaporation (6) en raison du fait que la vitesse d'évaporation de l'eau dans le bac d'évaporation (6) est trop faible est évité.
PCT/CN2023/096526 2022-07-04 2023-05-26 Équipement de réfrigération et son procédé de commande WO2024007763A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210846147.7A CN117387261A (zh) 2022-07-04 2022-07-04 制冷设备及其控制方法
CN202210846147.7 2022-07-04

Publications (1)

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WO2024007763A1 true WO2024007763A1 (fr) 2024-01-11

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PCT/CN2023/096526 WO2024007763A1 (fr) 2022-07-04 2023-05-26 Équipement de réfrigération et son procédé de commande

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CN (1) CN117387261A (fr)
WO (1) WO2024007763A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004293928A (ja) * 2003-03-27 2004-10-21 Fujitsu General Ltd 冷蔵庫
JP2007333248A (ja) * 2006-06-12 2007-12-27 Sanden Corp ドレン水蒸発装置
CN202613876U (zh) * 2012-01-31 2012-12-19 佛山海尔电冰柜有限公司 具有排水装置的电冰柜
CN104634051A (zh) * 2015-03-05 2015-05-20 合肥美菱股份有限公司 一种应用于冰箱的化霜水蒸发皿组件
JP2018087659A (ja) * 2016-11-29 2018-06-07 三菱電機株式会社 ドレン水蒸発装置
CN108286867A (zh) * 2017-12-29 2018-07-17 青岛海尔股份有限公司 提高冰箱蒸发能力的控制方法及冰箱
CN109282561A (zh) * 2018-09-21 2019-01-29 Tcl家用电器（合肥）有限公司 冰箱、冰箱控制方法及计算机可读存储介质
JP2019113306A (ja) * 2019-03-07 2019-07-11 パナソニックＩｐマネジメント株式会社 冷凍装置
CN209893754U (zh) * 2018-12-07 2020-01-03 青岛海尔股份有限公司 冰箱

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004293928A (ja) * 2003-03-27 2004-10-21 Fujitsu General Ltd 冷蔵庫
JP2007333248A (ja) * 2006-06-12 2007-12-27 Sanden Corp ドレン水蒸発装置
CN202613876U (zh) * 2012-01-31 2012-12-19 佛山海尔电冰柜有限公司 具有排水装置的电冰柜
CN104634051A (zh) * 2015-03-05 2015-05-20 合肥美菱股份有限公司 一种应用于冰箱的化霜水蒸发皿组件
JP2018087659A (ja) * 2016-11-29 2018-06-07 三菱電機株式会社 ドレン水蒸発装置
CN108286867A (zh) * 2017-12-29 2018-07-17 青岛海尔股份有限公司 提高冰箱蒸发能力的控制方法及冰箱
CN109282561A (zh) * 2018-09-21 2019-01-29 Tcl家用电器（合肥）有限公司 冰箱、冰箱控制方法及计算机可读存储介质
CN209893754U (zh) * 2018-12-07 2020-01-03 青岛海尔股份有限公司 冰箱
JP2019113306A (ja) * 2019-03-07 2019-07-11 パナソニックＩｐマネジメント株式会社 冷凍装置

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