WO2018059521A1 - Ensemble canal d'air et réfrigérateur le comportant - Google Patents

Ensemble canal d'air et réfrigérateur le comportant Download PDF

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Publication number
WO2018059521A1
WO2018059521A1 PCT/CN2017/104155 CN2017104155W WO2018059521A1 WO 2018059521 A1 WO2018059521 A1 WO 2018059521A1 CN 2017104155 W CN2017104155 W CN 2017104155W WO 2018059521 A1 WO2018059521 A1 WO 2018059521A1
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WO
WIPO (PCT)
Prior art keywords
cover
air duct
air
rotating shaft
duct assembly
Prior art date
Application number
PCT/CN2017/104155
Other languages
English (en)
Chinese (zh)
Inventor
麻艳
付东晓
Original Assignee
青岛海尔股份有限公司
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 青岛海尔股份有限公司 filed Critical 青岛海尔股份有限公司
Publication of WO2018059521A1 publication Critical patent/WO2018059521A1/fr

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    • 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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • 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
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators

Definitions

  • the invention belongs to the technical field of household appliances, and in particular relates to a wind channel assembly for preventing and closing ice, and a refrigerator having the same.
  • the air-cooled refrigerator includes a refrigerating compartment and a refrigerating compartment
  • the refrigerating compartment includes a refrigerating inner tank and a refrigerating air duct assembly disposed in the refrigerating inner chamber
  • the freezing compartment includes a freezing inner tank and a freezing air duct assembly disposed in the freezing inner tank
  • the refrigerating air duct formed by the refrigerating air duct assembly is connected with the freezing air duct formed by the freezing air duct assembly, and a part of the cold air in the freezing air duct is blown into the freezing compartment, and the other part is blown into the refrigerating compartment through the refrigerating air duct, and the cold air is in the air.
  • An air-cooling cycle is achieved between the refrigerating compartment and the freezing compartment of the refrigerator.
  • some air-cooled refrigerators on the market have the function of switching the freezer compartment into a refrigerating compartment, which realizes the function of switching the freezer compartment into a refrigerating compartment by providing an electric appliance changeover switch in the air duct, and freezing when the air-cooled refrigerator runs the refrigeration switching refrigeration program.
  • the room begins to heat up, causing the cold air in the air duct to contain moist water vapor, which easily causes the electrical switch in the air duct to get wet or even freeze.
  • One of the objects of the present invention is to provide a duct assembly that can prevent the electromagnetic valve disposed in the air duct from freezing with water.
  • the present invention provides a duct assembly comprising:
  • first cover and the second cover jointly define a supply air duct
  • An air volume adjusting device comprising an adjusting member, a damper and a solenoid valve
  • the adjusting member is disposed on a side of the first cover plate away from the air supply duct, and the second cover plate is recessed away from the air supply duct to form a receiving portion for receiving the electromagnetic valve.
  • the damper includes a rotating shaft and a blocking piece fixed to the rotating shaft, the turning One end of the moving shaft is inserted into the adjusting member, and the other end is inserted into the electromagnetic valve.
  • the air duct assembly further includes a windshield, the windshield includes a cover body, the cover body is fixedly coupled to the rotating shaft, and the rotating shaft is pivoted At the opening of the receiving portion.
  • a projected area of the cover on the second cover covers a projected area of the shielding portion on the second cover.
  • the inner diameter of the cover body gradually increases in a direction from the first cover plate to the second cover plate, and the cover body has a flange near an end of the second cover plate 12.
  • the structure, the distance between the flange structure and the second cover is smaller than the thickness of the shielding portion.
  • the cover body further has a bent portion provided between the rotating shaft and the flange structure.
  • the first cover plate is provided with a first mounting hole, and one end of the adjusting member is inserted into one end of the rotating shaft through the first mounting hole, and the shielding portion is A second mounting hole is provided, and one end of the solenoid valve is inserted through the second mounting hole to the other end of the rotating shaft.
  • the damper has at least two preset positions during the rotation.
  • a scale is provided on the first cover plate at a position corresponding to the adjusting member, and a rotation angle between two adjacent preset positions is 30 degrees.
  • a refrigerator comprising the duct assembly of any of the preceding claims.
  • the utility model has the beneficial effects that the electromagnetic valve is placed in the air duct, and a accommodating portion for accommodating the electromagnetic valve is formed on the air duct cover, and a shielding portion is arranged at the opening of the accommodating portion, and the structure is simple.
  • the problem that the electromagnetic valve freezes in the air duct is solved, and the refrigerator electrical control scheme is integrated, which simplifies the overall layout of the refrigerator electrical appliance.
  • FIG. 1 is a schematic structural view of a first cover plate of a blower assembly according to an embodiment of the present invention.
  • Figure 2 is a cross-sectional view taken along line A-A of Figure 1.
  • Fig. 3 is a partial enlarged view of Fig. 2;
  • the air duct assembly 10 of the present invention includes a duct cover, a supply air duct, and an air volume adjusting device 14, wherein the air duct cover includes a first cover 11 and a second cover 12, and the first cover 11 and the second cover The cover plates 12 collectively define a supply air duct 13.
  • the air volume adjusting device 14 includes an adjusting member 141, a damper 142, and a solenoid valve 143.
  • the adjusting member 141 is disposed on a side of the first cover 11 away from the air supply duct 13, and the second cover 12 is recessed away from the air supply duct 13 to form a receiving portion 121 for receiving the electromagnetic valve 143.
  • a shielding portion 15 is provided at an opening of the accommodating portion 121, and the damper 142 is provided in the air blowing duct 13.
  • the damper 142 includes a rotating shaft 1421 and a blocking piece (not shown) fixed to the rotating shaft 1421. The user manually rotates the adjusting member 141 to rotate the damper 142 in the air supply duct 13 to adjust the amount of air supplied to each of the refrigerating compartments, and thereby drive the solenoid valve 143 to be turned on or off.
  • the first cover 11 is provided with a first mounting hole 111.
  • One end of the adjusting member 141 is inserted into one end of the rotating shaft 1421 through the first mounting hole 111, and the second mounting hole 151 is disposed on the shielding portion 15.
  • One end of the valve 143 is inserted through the second mounting hole 151 to the other end of the rotating shaft 1421.
  • the air duct assembly 10 further includes a windshield 16 including a cover body 161.
  • the cover body 161 is fixedly coupled to the rotating shaft 1421 and is disposed at the opening of the receiving portion 121 with the rotating shaft 1421 as an axis. .
  • the inner diameter of the cover body 161 gradually increases in a direction from the first cover plate 11 to the second cover plate 12, and the projected area of the cover body 161 on the second cover plate 12 covers the shielding portion 15 at the second cover plate.
  • the projected area on the 12 is closed by the opening of the accommodating portion 121.
  • a flange structure 162 is provided at one end of the cover body 161 near the second cover plate 12, and the distance between the flange structure 162 and the second cover plate 12 is smaller than the thickness of the shielding portion 15.
  • the cover body 161 further has a bent portion 163 disposed between the rotating shaft 1421 and the flange structure 162.
  • the present invention also provides a refrigerator (not shown) which can achieve the beneficial effects of the air duct assembly of the above embodiment by adopting the air duct assembly described in the above embodiments, which will be described in detail below:
  • the refrigerator includes a cabinet (not shown), a duct assembly 10, and a controller (not shown).
  • a refrigerator compartment (not shown) and a freezer compartment (not shown) are defined in the cabinet.
  • a temperature sensor (not shown) electrically connected to the controller is disposed in each of the freezer compartment and the refrigerating compartment.
  • the duct assembly 10 includes air duct covers 11 and 12 and a supply air duct 13 that communicates with the refrigerating compartment and the freezing compartment of the refrigerator. Therefore, the air supply duct 13 further includes a refrigerating compartment air duct (not shown) and a freezer compartment air duct (not shown).
  • a fan (not shown) is disposed in the freezer air duct, and the fan blows out the cold air generated by the refrigerator evaporator (not shown), and blows out along the air supply duct 13 through the air outlet of the refrigerating chamber and the freezing chamber.
  • the air volume adjusting device 14 is placed close to the fan.
  • the refrigerator has a function of converting the freezing compartment into a refrigerating compartment, and this function is completed by the cooperation of the air volume adjusting device 14 and the refrigerator controller.
  • the refrigerator controller is electrically connected to the electromagnetic valve 143 of the air volume adjusting device 14, and the controller is configured to control the start and stop of the refrigerator compressor according to the position signal fed back by the electromagnetic valve 143 and the temperature signal fed back by the temperature sensor in the freezing chamber, so that the refrigerator compressor is started and stopped.
  • the temperature of the freezing compartment gradually approaches the temperature of the refrigerating compartment to convert the freezing compartment into a refrigerating compartment.
  • the solenoid valve 143 is a relay.
  • the user drives the damper 142 to rotate in the air supply duct 13 by the rotation adjusting member 141 and thereby drives the electromagnetic valve 143 to be turned on or off.
  • the damper 142 has at least two preset positions during the rotation process, and one preset position is the initial gear position.
  • one preset position is the initial gear position.
  • the damper 142 is located in the initial gear position, the refrigeration function of the freezer compartment of the refrigerator is relatively strong, and the temperature of the refrigerator compartment is relatively suitable, and is a user.
  • the most used gear position is used; the other preset position is the refrigerating and reversing shifting position, and the user can rotate the damper 142 from the initial gear position to the refrigerating and refrigerating conversion gear position through the adjusting member 141.
  • the solenoid valve 143 When the adjustment member 141 continues to rotate and is in the "switch" position, the solenoid valve 143 is in an on state, which feeds back a position signal to the controller, tells the controller that the freezer compartment begins to heat up, and that the freezer compartment will operate in accordance with the cryogenic refrigerator compartment.
  • the temperature of the refrigerating compartment is normal, and the controller controls the start and stop of the refrigerator compressor according to the temperature signal fed back by the temperature sensor of the freezing compartment, so that the temperature of the freezing compartment gradually approaches the temperature of the refrigerating compartment, so that the freezing compartment is converted into a refrigerating compartment.
  • a scale (not shown) is provided on the first cover 11 at a position corresponding to the adjusting member 141, and the angle of rotation between two adjacent preset positions is 30 degrees, of course, in the present invention. In other embodiments, the angle of rotation between the two preset positions may be any suitable angle.
  • the adjusting member 141 is a knob, and the knob does not pause during the rotation from one preset position to another preset position, and stops when the user wants the preset position.
  • the freezing compartment starts to heat, and the cold air blown in the blowing duct 13 contains water vapor (the direction of the three arrows in Fig. 2 represents the flow direction of the cold air), in order to prevent the solenoid valve 143 from being encountered.
  • the electromagnetic valve 143 is disposed in the accommodating portion 121 formed by the recess of the air duct cover 12, and the shielding portion 15 and the windshield 16 are further provided at the opening of the accommodating portion 121, when the humid cold air is blown toward the structure.
  • the windshield 16 functions as a first layer of windproofing, in particular, the bent portion 163, which can block most of the humid air, while the shielding portion 15 can block the coherent water vapor outside the electromagnetic valve 143, because the shielding portion 15 is The air duct in the refrigerator is placed vertically, and the condensed water droplets run downward along the shielding portion 15 to avoid the electromagnetic valve 143 from being exposed to water or even freezing.
  • a flange structure 162 is disposed at an end of the cover body 161 adjacent to the second cover plate 12, and a distance between the flange structure 162 and the second cover plate 12 is smaller than a thickness of the shielding portion 15, and the flange structure 162 is also to a certain extent. Play a role in the wind, The moisture is prevented from entering the housing portion 121.
  • the invention integrates the electromagnetic valve and the air duct into one body, has the advantages of simple structure and small space occupation, not only solves the problem that the electrical switch freezes in the air duct, but also integrates the electric appliance control scheme, simplifies the overall layout of the electric appliance, and greatly reduces the product. Cost increases product competitiveness.

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

Abstract

L'invention concerne un ensemble canal d'air (10). L'ensemble canal d'air comprend : une première plaque de recouvrement (11), une deuxième plaque de recouvrement (12) et un dispositif de réglage de flux d'air (14). La première plaque de recouvrement (11) et la seconde plaque de recouvrement (12) définissent un canal d'alimentation en air (13), et le dispositif de réglage d'écoulement d'air (14) comprend un élément de réglage (141), un amortisseur (142) et une vanne électromagnétique (143). L'élément de réglage (141) est disposé sur un côté de la première plaque de recouvrement (11) à l'opposé du canal d'alimentation en air (13), la seconde plaque de recouvrement (12) est concave dans la direction s'éloignant du canal d'alimentation en air (13) pour former une partie de réception (121) utilisée pour recevoir la vanne électromagnétique (143). Une ouverture de la partie de réception (121) est pourvue d'une partie de blindage (15). L'amortisseur (142) est agencé dans le canal d'alimentation en air (13), et l'élément de réglage (141) peut entraîner l'amortisseur (142) à tourner dans le canal d'alimentation en air (13), puis entraîner la vanne électromagnétique (143) à se connecter ou à se déconnecter.
PCT/CN2017/104155 2016-09-30 2017-09-29 Ensemble canal d'air et réfrigérateur le comportant WO2018059521A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610873673.7 2016-09-30
CN201610873673.7A CN106440620B (zh) 2016-09-30 2016-09-30 一种风道组件及具有其的冰箱

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WO2018059521A1 true WO2018059521A1 (fr) 2018-04-05

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WO (1) WO2018059521A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113959158A (zh) * 2021-10-26 2022-01-21 Tcl家用电器（合肥）有限公司 冰箱及其控制方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106440620B (zh) * 2016-09-30 2019-03-12 青岛海尔股份有限公司 一种风道组件及具有其的冰箱
CN106440621B (zh) * 2016-09-30 2019-03-12 青岛海尔股份有限公司 冰箱

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011026727A2 (fr) * 2009-09-02 2011-03-10 BSH Bosch und Siemens Hausgeräte GmbH Appareil de froid doté d'un diviseur de flux d'air
CN104748482A (zh) * 2015-04-03 2015-07-01 合肥华凌股份有限公司 冰箱及其控制方法
CN104879996A (zh) * 2015-05-29 2015-09-02 海信容声(广东)冰箱有限公司 一种冷藏装置风门的检测限位结构
CN105716353A (zh) * 2016-02-02 2016-06-29 海信（山东）冰箱有限公司 一种风冷冰箱的风道组件及风冷冰箱
CN205373219U (zh) * 2016-01-29 2016-07-06 合肥美菱股份有限公司 一种全温区变温冰箱
CN106440620A (zh) * 2016-09-30 2017-02-22 青岛海尔股份有限公司 一种风道组件及具有其的冰箱

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101975497B (zh) * 2010-10-27 2013-04-17 合肥美的荣事达电冰箱有限公司 风道装置以及具有该风道装置的冰箱
CN203132244U (zh) * 2013-01-15 2013-08-14 合肥美的电冰箱有限公司 一种冰箱电动风门结构

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011026727A2 (fr) * 2009-09-02 2011-03-10 BSH Bosch und Siemens Hausgeräte GmbH Appareil de froid doté d'un diviseur de flux d'air
CN104748482A (zh) * 2015-04-03 2015-07-01 合肥华凌股份有限公司 冰箱及其控制方法
CN104879996A (zh) * 2015-05-29 2015-09-02 海信容声(广东)冰箱有限公司 一种冷藏装置风门的检测限位结构
CN205373219U (zh) * 2016-01-29 2016-07-06 合肥美菱股份有限公司 一种全温区变温冰箱
CN105716353A (zh) * 2016-02-02 2016-06-29 海信（山东）冰箱有限公司 一种风冷冰箱的风道组件及风冷冰箱
CN106440620A (zh) * 2016-09-30 2017-02-22 青岛海尔股份有限公司 一种风道组件及具有其的冰箱

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113959158A (zh) * 2021-10-26 2022-01-21 Tcl家用电器（合肥）有限公司 冰箱及其控制方法

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CN106440620A (zh) 2017-02-22
CN106440620B (zh) 2019-03-12

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