WO2019129072A1 - Dispositif d'alimentation en air à ramification et réfrigérateur - Google Patents

Dispositif d'alimentation en air à ramification et réfrigérateur Download PDF

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Publication number
WO2019129072A1
WO2019129072A1 PCT/CN2018/123931 CN2018123931W WO2019129072A1 WO 2019129072 A1 WO2019129072 A1 WO 2019129072A1 CN 2018123931 W CN2018123931 W CN 2018123931W WO 2019129072 A1 WO2019129072 A1 WO 2019129072A1
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WO
WIPO (PCT)
Prior art keywords
air
air blowing
air supply
chute
gear
Prior art date
Application number
PCT/CN2018/123931
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English (en)
Chinese (zh)
Inventor
程学丽
费斌
李登强
Original Assignee
青岛海尔股份有限公司
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Filing date
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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 WO2019129072A1 publication Critical patent/WO2019129072A1/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
    • 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
    • F25D17/065—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 with 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
    • F25D17/042—Air treating means within refrigerated spaces
    • F25D17/045—Air flow 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/002—Details for cooling refrigerating machinery
    • F25D2323/0028—Details for cooling refrigerating machinery characterised by the fans
    • F25D2323/00282—Details for cooling refrigerating machinery characterised by the fans the fans not of the axial type

Definitions

  • the invention relates to the field of refrigerator storage, in particular to a split air supply device and a refrigerator.
  • the air-cooled refrigerator generates cold air through a built-in evaporator, and the cold air is circulated through the air duct to the respective storage compartments of the refrigerator to achieve cooling.
  • the freshness of food depends largely on whether the indoor air circulation in the storage room is reasonable. If the cold air flows randomly through the air passage, it is easy to cause too much or insufficient air flow into each storage room, so that the temperature distribution in the storage room is not balanced, and the operating efficiency of the refrigerator is also lowered. Therefore, it is necessary to accurately flow the distribution and flow control of the cold air entering the interior of each storage room.
  • a single storage room is generally divided into a plurality of refinement storage space by a shelf device such as a rack or a drawer, and each storage space is required according to the amount of the stored items.
  • the cooling capacity is also different. Therefore, the cold air directly enters the storage room directly from somewhere in the storage room without control, which may cause some storage space to be too cold and some storage space to have insufficient cooling capacity.
  • the present invention has been made in order to provide a refrigerator and a shunt air supply device for the refrigerator that overcome the above problems or at least partially solve the above problems, so as to facilitate uniform adjustment of the flow path and flow rate of the cold air.
  • the cold air can be reasonably distributed to enhance the fresh-keeping performance and operating efficiency of the refrigerator; and the control is simple, the adjustment is convenient, and the adjustment speed is Fast, high adjustment accuracy.
  • the present invention provides a shunt air supply device for a refrigerator, comprising:
  • a casing having a peripheral wall portion, wherein the peripheral wall portion is provided with a plurality of air blowing openings, and a plurality of the air blowing openings are sequentially spaced apart along a circumferential direction of the casing;
  • each of the baffles being rotatably mounted to one of the air supply openings for rotating to different rotational positions to adjust an air outlet area of the corresponding air supply opening;
  • each of the transmission assemblies having a rotating gear and a first transmission; each of the first transmissions configured to transmit a rotational motion of the respective rotating gear to one of the baffles to The baffle is stationary or rotating;
  • the driving device has an inner ring gear, and each of the rotating gears is mounted in the inner ring gear and meshes with the inner ring gear to drive a plurality of the rotating gears to rotate when the inner ring gear rotates.
  • a cam chute is opened on one side surface of each of the rotating gears
  • Each of the first transmission mechanisms includes:
  • the first gear is coupled to the corresponding baffle
  • a transmission having an insertion portion inserted into the corresponding cam chute to be stationary or moving in a radial direction of the corresponding rotating gear when the respective rotating gear rotates; and the transmission further has Correspondingly, the teeth engaged by the first gears drive the corresponding baffles to rotate when moving in a radial direction of the corresponding rotating gears.
  • each of the transmissions includes a rack, the rack has the teeth, and one end of the rack is provided with the insertion portion; or
  • Each of the transmissions includes:
  • a sliding strip one end of the sliding strip is provided with the tooth, and a side of the sliding strip facing the rotating gear has a groove;
  • An elastic member is disposed between the slider and a sidewall of the groove that is perpendicular to a length direction of the slider.
  • outer ring of the inner ring gear is further provided with an outer ring gear
  • the drive device further includes a motor; the second transmission mechanism further includes a second gear mounted to an output shaft of the motor; and the second gear meshes with the outer ring gear.
  • the housing further includes:
  • the peripheral wall portion is disposed on the a side of the base facing away from the bottom cover of the damper;
  • the damper cover is disposed at an end of the peripheral wall portion away from the base; and the peripheral wall portion or the damper cover is provided with an air inlet.
  • An air supply device is disposed within the housing and configured to cause airflow into the housing and out of the housing via one or more of the plurality of air delivery ports.
  • the air supply device is a centrifugal impeller configured to cause airflow into the housing from an axial direction of the housing.
  • each of the cam chutes includes at least 2 N -1 chute segments, and the insertion portion is at each end point of each of the chute segments, so that Corresponding to the baffle closing the corresponding air supply opening or completely opening the corresponding air blowing opening, so that when the plurality of rotating gears rotate the angle of the central angle corresponding to one of the sliding groove segments, the plurality of the sending The tuyere has an air outlet state, so that a plurality of the air outlets have a total of 2 N air outlet states.
  • the present invention also provides a refrigerator comprising:
  • a duct assembly mounted to the tank and having a plurality of cold air outlets; the plurality of cold air outlets being in communication with the storage space;
  • each of the air blowing ports of the shunt air blowing device is connected to one or more of the cold air outlets And each of the cold air outlets communicates with one of the air blowing openings such that airflow into the housing of the shunt air blowing device passes through one or more of the plurality of air blowing ports of the shunt air blowing device Flow to the storage space.
  • the split air supply device and the refrigerator in the present invention can control the driving of a plurality of baffles by controlling a driving source to control the air outlet ducts or to select the air outlet ducts for each of the air outlet ducts.
  • the amount of wind and air is adjusted so that the cold air can be reasonably distributed according to the cooling demand of different storage rooms or the cooling capacity at different positions of a storage room to enhance the fresh-keeping performance and operating efficiency of the refrigerator.
  • the plurality of air supply openings of the split air supply device of the present invention are arranged in a circumferential manner, a plurality of (for example, three) air supply ports can be introduced into and out of the wind, which can facilitate the overall structural design of the split air supply device.
  • the structure of the branch air supply device can be simple and compact, and the layout is reasonable; the installation in the refrigerator is also convenient, and the reasonable arrangement of the air duct in the refrigerator is facilitated.
  • the planetary gear system consisting of the inner ring gear and the plurality of rotating gears in the split air supply device of the present invention simultaneously drives the plurality of rotating gears to rotate, thereby realizing the rotation of the plurality of baffles, the number of components is small and the transmission is small. Convenient and accurate.
  • each of the transmission devices of the shunting device of the present invention has a sliding bar, a slider and an elastic member
  • the elastic member can adjust the position of the slider so that the slider is always in a stable state, thereby causing the sliding bar to
  • the transmission between the first gears is more stable, the baffle flip is more stable, the adjustment is accurate, and the noise is low.
  • the branch air supply device and the air supply device of the present invention have the air supply device, the air supply efficiency of the shunt air supply device is significantly improved, so that the shunt air supply device can independently enter the air, which is particularly suitable for Dual system or multi system refrigerator.
  • the centrifugal fan is used for air supply, and is particularly suitable for direct air outlet of a refrigerator cooling room.
  • FIG. 1 is a schematic structural view of a shunt air supply device according to an embodiment of the present invention
  • Figure 2a is a schematic exploded view of a shunt air supply device in accordance with one embodiment of the present invention
  • FIG. 2b is a schematic exploded view of another perspective view of a shunt air supply device according to an embodiment of the present invention.
  • 3a and 3b are schematic views of a transmission device according to an embodiment of the present invention.
  • FIGS. 4 to 11 are schematic structural views respectively showing a plurality of air blowing states in the shunt air blowing device according to an embodiment of the present invention.
  • Figure 12 is a schematic structural view of a refrigerator in accordance with one embodiment of the present invention.
  • Figure 13 is a schematic structural view of a shunt air supply device mounted to a duct assembly according to an embodiment of the present invention
  • Figure 14 is a schematic structural view of an in-line split air supply device of a refrigerator according to an embodiment of the present invention.
  • Figure 15 is a schematic exploded view of an in-line split air supply device of a refrigerator in accordance with one embodiment of the present invention.
  • Figure 16 is a schematic block diagram of a refrigerator in accordance with one embodiment of the present invention.
  • FIG. 1 is a schematic structural view of a shunt air supply device according to an embodiment of the present invention.
  • an embodiment of the present invention provides a shunt air supply device 400 for a refrigerator.
  • the shunt air supply device 400 can include a housing 410, a plurality of baffles 420, a plurality of transmission components, and a drive device.
  • the casing 410 has a peripheral wall portion 412.
  • the peripheral wall portion 412 is provided with a plurality of air blowing ports 411, and the plurality of air blowing ports 411 are sequentially spaced apart in the circumferential direction of the casing 410.
  • the air supply port 411 may also be a ventilation passage having a certain length.
  • the housing 410 may further include a structure disposed at both ends of the peripheral wall portion 412.
  • Each baffle 420 is rotatably mounted to a blower opening 411 to rotate to a different rotational position to adjust an air outlet area of the corresponding air supply opening 411.
  • the corresponding air supply opening 411 can be opened or closed to achieve complete air outlet and Zero out of the wind.
  • Each of the transmission components can be mounted to the housing 410 and can have a rotating member and a first transmission 440.
  • the rotating member may be in the form of a turntable or an annular disk.
  • Each of the first transmission mechanisms 440 is configured to transmit rotational motion of the respective rotating member to a baffle 420 to cause the baffle 420 to rest or rotate. That is to say, during the rotation of the rotating member, the first transmission mechanism 440 can drive the baffle 420 to rotate, and the baffle 420 can also be kept stationary.
  • the drive device can be mounted to the housing 410 and can have a drive source and a second transmission mechanism configured to transmit a motion of the output of the drive source to the plurality of rotary members to cause each of the rotary members to rest or rotate. That is to say, when the driving source moves in the output rotary motion or linear motion, the plurality of rotating members can be rotated or held still by the second transmission mechanism.
  • the plurality of baffles 420 of the shunting air supply device 400 in the embodiment of the present invention can control the cold air to be distributed to the plurality of air blowing ports 411 to realize a plurality of air blowing states, and can control the communication with each air blowing port 411.
  • the driving source drives the plurality of rotating members to rotate through the second transmission mechanism, and each of the rotating members drives the corresponding baffle 420 to be turned over by the first transmission mechanism 440 during rotation to open or close or adjust the corresponding air blowing port 411.
  • the plurality of air supply ports 411 can be configured to perform various air outlet states, for example, one air supply port 411 is closed and the other air supply port 411 is open. The air blowing ports 411 are simultaneously closed and the like.
  • the plurality of air blowing ports 411 of the split air blowing device 400 in the embodiment of the present invention are arranged in a circumferential manner, and a plurality of (for example, three) air blowing ports 411 can be realized to enter and exit the wind, which can facilitate the split air supply.
  • the overall structural design of the device 400 can make the structure of the shunt air supply device 400 simple and compact, and has a reasonable layout; it is convenient to be installed in the refrigerator, and is convenient for the reasonable arrangement of the air duct in the refrigerator.
  • the plurality of air blowing ports 411 are equal or unequal in size; or, the partial air blowing ports 411 are equal in size.
  • the number of the air blowing ports 411 is three, and the two air blowing ports 411 are equal in size, and the other air blowing ports 411 are relatively large, and may be 1.5 times to 2.5 times smaller than the two smaller air blowing ports 411.
  • the sizes of the plurality of air blowing ports 411 are set to be equal.
  • housing 410 further includes a damper bottom cover 413, a base 414, and a damper cover 415.
  • the base 414 is mounted to one side of the damper bottom cover 413, and a plurality of rotating members are mounted between the base 414 and the damper bottom cover 413.
  • the peripheral wall portion 412 is disposed on a side of the base 414 facing away from the damper bottom cover 413; specifically, the peripheral wall portion 412 may include a peripheral wall extending from the base 414, and a delivery extending from the peripheral wall in a radial direction of the housing 410. The wall of the tuyere.
  • the air supply port wall may have a notch for mounting the baffle 420 at a location adjacent to the base 414.
  • the side of the baffle 420 for the airflow to flow is preferably in the same plane as the side of the base 414 facing away from the damper bottom cover 413 to facilitate the flow of air.
  • the damper cover 415 is disposed at one end of the peripheral wall portion 412 away from the base 414; and the peripheral wall portion 412 or the damper cover 415 is provided with an air inlet.
  • an air inlet is provided at the damper top cover 415.
  • the housing 410 may further include a base 414 and a damper cover 415, excluding the damper bottom cover 413.
  • a plurality of rotating members are mounted to the inner surface of the base 414.
  • a cam chute is formed on one side of each of the rotating members.
  • a cam chute 431 is formed on a side of each of the rotating members facing away from the base 414.
  • Each first transmission 440 includes a first gear 448 and a transmission 441.
  • the first gear is coupled to the corresponding baffle 420 and may be located in a receiving cavity provided on the housing 410 on one side of the corresponding air supply opening 411.
  • the transmission has an insertion portion inserted into the corresponding cam chute to be stationary or moved in a radial direction of the corresponding rotating member when the corresponding rotating member rotates; and the transmission device further has teeth that mesh with the respective first gears to When the radial direction of the rotating member moves, the corresponding baffle 420 is rotated.
  • Each of the rotating members and the corresponding first gear are located on the same side of the corresponding transmission device, and the space inside the housing 410 can be fully utilized, so that the split air supply device 400 is compact.
  • each of the transmissions 441 includes a slider 442, a slider 443, and a resilient member 445.
  • One end of the slide bar is provided with a tooth 447, and a side of the slide bar facing the corresponding rotating member has a groove 446.
  • the slider 443 is mounted to the groove, and the slider has an insertion portion 444.
  • the elastic member is disposed between the slider and a side wall of the recess that is perpendicular to the longitudinal direction of the slider.
  • the elastic element is a compression spring, it may be at an end of the slider that is away from the first gear.
  • the elastic element is a tension spring, it may be at one end of the slider close to the first gear.
  • the transmission may be a rack 449, and one end of the rack away from the baffle 420 may be provided with an insertion portion 444, the insertion portion being a projection.
  • the first gear is a full gear or a non-full gear.
  • the rotating member is preferably a rotating gear 430 having a tooth on its outer circumference.
  • the second transmission mechanism includes an inner ring gear 460.
  • the ring gear 460 can be mounted between the base 414 and the damper bottom cover 413.
  • the inner ring gear 460 is directly or indirectly connected to a driving source, and each of the rotating gears 430 is mounted in the inner ring gear 460 and meshes with the inner ring gear 460 to drive when the inner ring gear 460 rotates A plurality of the rotating gears 430 are rotated.
  • the outer ring of the inner ring gear 460 is further provided with an outer ring gear 460a.
  • the driving source is the motor 450; the second transmission mechanism further includes a second gear 451 mounted to the output shaft of the motor 450; and the second gear meshes with the outer ring gear.
  • the peripheral wall portion 412 is provided with a housing for housing the motor 450 and the second gear.
  • the drive source is the motor 450; the second transmission mechanism further has a fourth gear mounted to the output shaft of the motor 450, and a fifth gear meshing with the fourth gear; the fifth gear and
  • the outer ring gear is coaxially arranged and rotates synchronously.
  • the ring gear 460 can be mounted directly to the output shaft of the motor 450.
  • the gear set transmission can reduce the rotational motion of the motor 450 to the rotating member and the baffle 420, which ensures that the baffle 420 has stable motion and low noise.
  • the bypass air supply device 400 in order to improve the air supply efficiency, or to apply the split air supply device 400 directly to the air outlet of the refrigerator, the bypass air supply device 400 further includes a air supply device 470 disposed in the housing 410. Internally, it is configured to cause airflow into the housing 410 and out of the housing 410 via one or more of the plurality of air vents 411.
  • the air supply device 470 is a centrifugal impeller configured to cause airflow into the housing 410 from the axial direction of the housing 410.
  • the air inlet of the branch air supply device 400 is disposed at the air outlet of the cooling chamber, so that the axial air inlet radial wind can be conveniently realized, and the air is discharged. Guide in a vertical plane.
  • each baffle 420 is preferably provided with at least two states that open and close the respective air supply ports 411.
  • the plurality of rotating members are equal in size and rotate in synchronization.
  • the number of the air outlets 411 may be N, and N is a natural number greater than or equal to 2.
  • each cam chute 431 includes at least 2 N -1 chute segments 431a, the insertion portion. At each end of each chute section, the corresponding baffle 420 is closed to the corresponding air supply opening 411 or the corresponding air supply opening 411 is fully opened.
  • the plurality of air blowing ports 411 When the plurality of rotating members rotate at an angle corresponding to a central angle of one of the sliding groove segments, the plurality of air blowing ports 411 have an air blowing state, so that the plurality of air blowing ports 411 have a total of 2 N kinds of air blowing states. .
  • the number of the air supply openings 411 may be three, and the first, second, and third ports are sequentially disposed along the circumferential direction of the housing 410, and the corresponding cam chutes.
  • the first cam chute, the second cam chute and the third cam chute may be the first baffle 421, the second baffle 422 and the third baffle 423, and have eight kinds of out In the wind state, each cam chute can have eight chute sections.
  • the first port, the second port, and the third port may be in a closed state, and the beginning end of the first chute segment of each cam chute may cause the corresponding baffle 420 to be in a closed state.
  • the first port and the third port may be in a closed state
  • the second port may be in an open state
  • the end of the first chute segment of the second cam chute (ie, the beginning end of the second chute segment) may be
  • both ends of the first chute section of the second cam chute have a distance difference in the radial direction of the rotating member 430 to make the first chute section of the second cam chute Is not a circular arc shape, so that the baffle 420 is rotated to an open state during the rotation of the corresponding rotating member 430; the first cam chute and the end of the first chute segment of the third cam chute (ie, the second chute)
  • the beginning end of the segment can make the corresponding baffle 420 in the closed state
  • the second chute groove and the first chute segment of the third cam chute can both have a circular arc shape, and the corresponding rotating member 430 does not rotate during the process.
  • the baffle 420 is driven to rotate.
  • the third port can be in a closed state, and the first port and the second port can be in an open state, and the end of the second chute segment of the first cam chute (ie, the beginning end of the third chute segment) can be
  • both ends of the second chute section of the first cam chute have a distance difference in the radial direction of the rotating member 430 to make the second chute section of the first cam chute Is not a circular arc shape, so that the baffle 420 is rotated to an open state during the rotation of the corresponding rotating member 430; the second cam chute and the end of the second chute segment of the third cam chute (ie, the third chute)
  • the beginning end of the segment can cause the corresponding baffle 420 to be in a correspondingly opened and correspondingly closed state, respectively, and the second chute groove and the second chute segment of the third cam chute can each have a circular arc shape, and rotate at the corresponding rotating member 430
  • the baffle 420 does not rotate during the process.
  • the second port and the third port may be in a closed state
  • the first port may be in an open state
  • the end of the third chute segment of the second cam chute ie, the beginning end of the fourth chute segment
  • both ends of the third chute section of the first cam chute have a distance difference in the radial direction of the rotating member 430 to make the third chute section of the first cam chute It is not circular arc shape, so that the baffle 420 is rotated to the closed state during the rotation of the corresponding rotating member 430.
  • the end of the third chute section of the first cam chute (ie, the beginning end of the fourth chute section) can cause the corresponding baffle 420 to be in an open state, and the third chute section of the first cam chute can be arcuate
  • the baffle 420 is not rotated during the rotation of the corresponding rotating member 430.
  • the end of the third chute section of the third cam chute (ie, the beginning end of the fourth chute section) may cause the corresponding baffle 420 to be in a closed state, and the third chute section of the third cam chute may have a circular arc shape
  • the baffle 420 is not rotated during the rotation of the corresponding rotating member 430.
  • the first port and the third port may be in an open state, and the second port may be in a closed state, and the end of the fourth chute segment of the first cam chute (ie, the beginning end of the fifth chute segment) may be
  • the fourth chute section of the first cam chute can be arcuate, and the baffle 420 is not rotated during the rotation of the corresponding rotating member 430.
  • the end of the fourth chute section of the second cam chute ie, the beginning end of the fifth chute section
  • the baffle 420 is not rotated during the rotation of the corresponding rotating member 430.
  • the end of the fourth chute section of the third cam chute (ie, the beginning end of the fifth chute section) can cause the corresponding baffle 420 to be in an open state, and then the two ends of the fourth chute section of the third cam chute rotate
  • the radial direction of the member 430 has a distance difference such that the fourth chute section of the first cam chute is non-circular in shape, thereby causing the baffle 420 to rotate to an open state during the rotation of the corresponding rotating member 430.
  • the third port may be in an open state, and the first port and the second port may be in a closed state, and the end of the fifth chute segment of the first cam chute (ie, the beginning end of the sixth chute segment) may be
  • both ends of the fifth chute section of the first cam chute have a distance difference in the radial direction of the rotating member 430 to make the fifth chute section of the first cam chute It is not circular arc shape, so that the baffle 420 is rotated to the closed state during the rotation of the corresponding rotating member 430.
  • the second cam chute and the end of the fifth chute section of the third cam chute may cause the respective baffles 420 to be respectively in correspondingly closed and correspondingly opened states, and the second cam chute And the fifth sliding groove section of the third cam chute may be a circular arc shape, and does not drive the baffle 420 to rotate during the rotation of the corresponding rotating member 430.
  • the second port and the third port may be in an open state
  • the first port may be in a closed state
  • the end of the sixth chute segment of the second cam chute ie, the beginning end of the seventh chute segment
  • both ends of the sixth chute section of the second cam chute have a distance difference in the radial direction of the rotating member 430 to make the sixth chute section of the second cam chute It is not circular arc shape, so that the baffle 420 is rotated to an open state during the rotation of the corresponding rotating member 430.
  • the first cam chute and the end of the sixth chute section of the third cam chute may cause the respective baffles 420 to be respectively in correspondingly closed and correspondingly opened states, then the first cam chute
  • the sixth sliding groove section of the third cam chute may be a circular arc shape, and does not drive the baffle 420 to rotate during the rotation of the corresponding rotating member 430.
  • the first port, the second port, and the third port may be in an open state, and the end of the seventh chute segment of the first cam chute may cause the corresponding baffle 420 to be in an open state, and then the first cam Both ends of the seventh chute section of the chute have a distance difference in the radial direction of the rotating member 430, so that the seventh chute section of the first cam chute is non-circular, thereby rotating at the corresponding rotating member 430.
  • the baffle 420 is rotated to an open state.
  • the ends of the second sliding groove of the second cam chute and the third cam chute may be in an open state, and the second sliding groove of the second cam chute and the third cam chute may be round
  • the arc shape does not drive the baffle 420 to rotate during the rotation of the corresponding rotating member 430.
  • the first cam chute, the second cam chute, and the third cam chute may also adopt other combined state chute segments, and 2 N kinds of the plurality of air blowing ports 411 can be realized. It can be in the air.
  • FIG. 12 is a schematic structural view of a refrigerator in accordance with one embodiment of the present invention.
  • an embodiment of the present invention further provides a refrigerator 1 having a cabinet 100 having a storage space 100a therein, and the storage space may include one or more A storage compartment, each storage compartment can also be divided into a plurality of small storage spaces by the shelf/shelf.
  • the refrigerator is also provided with a duct assembly 200 and a shunt air blowing device 400 provided in any one of the above embodiments provided in the duct assembly 200.
  • the air duct assembly 200 is mounted to the cabinet 100 and has a plurality of cold air outlets 202; the plurality of cold air outlets are in communication with the storage space.
  • Each of the air blowing ports 411 of the branch air blowing device 400 communicates with one or more cold air outlets, and each of the cold air outlets communicates with one air blowing port 411 to allow the airflow into the casing 410 of the branching air blowing device 400 to be branched.
  • One or more of the plurality of air blowing ports 411 of the air blowing device 400 flow to the storage space.
  • the housing 100 also has a cooling chamber.
  • the duct assembly 200 can have a mounting cavity and a plurality of cold air outlets, each of which communicates with one of the storage compartments directly or via other conduits.
  • the duct assembly 200 is disposed on the front side of the cooling chamber, and the mounting chamber faces the air outlet of the cooling chamber.
  • the branch air supply device 400 is installed in the installation cavity, and the air inlet of the branch air supply device 400 is aligned with the air outlet of the cooling chamber.
  • Each of the air supply openings 411 is connected to a cold air outlet to adjust the air supply to the plurality of storage compartments.
  • the case 100 may include a refrigerating compartment, a left freezing compartment and a right freezing compartment located at a lower side of the refrigerating compartment.
  • the air supply port 411 of the branch air supply device 400 has three air outlets on the upper portion of the casing 410, a left air outlet on the left side of the casing 410, and a right air outlet on the right side of the casing 410.
  • the upper air outlet can be connected to the cold room, the left air outlet is connected to the left freezer, and the right air outlet is connected to the right freezer.
  • the shunt blower 400 can also deliver air to a plurality of locations in a storage compartment.
  • some or all of the cold air outlets of the duct assembly 200 may be vented to a plurality of locations of a storage compartment via the duct assembly.
  • the upper air outlet can supply air to the cold room through the air duct assembly.
  • An air inlet duct and a plurality of air outlet ducts may be defined in the duct assembly, and each of the air outlet props has one or more cold air outlets.
  • the air duct assembly may be provided with a four-way split air supply device 300.
  • the in-line split air supply device 300 may include a plurality of air supply openings 411 arranged in a row, and each of the air supply openings 411 is also mounted with a baffle 420 for rotating to different rotational positions to adjust the corresponding air supply opening 411 The area of the wind.
  • the in-line split air supply device 300 is connected to the intake air duct, and the plurality of air supply ports 411 of the in-line split air supply device 300 are respectively connected to the plurality of air outlet ducts so as to be from the air inlet duct.
  • the airflow enters the corresponding air duct in a controlled/distributable manner and then enters the storage space.
  • the plurality of outlet ducts may be configured to cause airflow exiting the duct assembly to enter the compartment from a plurality of locations on a compartment wall of a storage compartment (e.g., a refrigerating compartment) of the refrigerator, respectively.
  • the air outlets 411 of the in-line split air supply device 300 may be three, such as the first port, the second port, and the third port; the air outlet ducts may be three, such as the first port connected to the first port. a wind tunnel, a second air duct connected to the second port, and a third air duct connected to the third port.
  • the first air passage may have two or four cold air outlets symmetrically disposed at an upper portion of the rear wall of the refrigerating chamber.
  • the first air passage may have a cold air outlet disposed at a lower portion of the rear wall of the refrigerating chamber.
  • the second air duct may be located between the first air duct and the second air duct, and has one or two cold air outlets disposed in the middle of the rear wall of the refrigerating chamber. Further, the two compartments can also be used to divide the refrigerating compartment into three small storage spaces, each of which is in communication with a small storage space.
  • the split air supply device 400 and/or the in-line split air supply device 300 in the refrigerator of the embodiment of the present invention can realize the adjustment of the air outlet air passage or the air volume, and the cold air in the refrigerator where the cold air is required to be turned on.
  • the outlet is closed without the need of cold air, thereby controlling the constant temperature in the refrigerator, providing an optimal storage environment for the food in the refrigerator, reducing the nutrient loss of the food, and reducing the power consumption of the refrigerator and saving energy.
  • the in-line split air supply device 300 may include a housing 310, a plurality of baffles 320, a plurality of transmission assemblies 330, and a drive assembly. .
  • the housing 310 may have a plurality of air blowing ports 311.
  • the air supply port 311 may also be a ventilation channel having a certain length.
  • the structure of each of the transmission assemblies 330 is the same as that of the transmission assembly 330 in the above-described split air supply unit.
  • the drive assembly can be mounted to the housing 310 and can have a drive source 350 and a third transmission 360 configured to transmit a motion of the output of the drive source 350 to the plurality of rotating members to cause each of the rotating members to be stationary Or turn.
  • the housing 310 of the in-line split air supply device 300 includes a rotor mounting portion 312, a blower portion 313, a drive assembly mounting portion 314, and a cover portion 315.
  • the air blowing port portion 313 has a plurality of air blowing ports 311 and is located on the downstream side of the rotor mounting portion 312 in the flow direction of the airflow.
  • the drive unit mounting portion 314 is provided at one end of the rotor mounting portion 312 and the air blowing port portion 313.
  • the rotating member mounting portion 312 includes a base having a mounting groove on a side away from the air flow, and a plurality of rotating members are rotatably mounted in the mounting groove.
  • Each of the baffles 320 is rotatably mounted to the air blowing port portion 313.
  • each air supply opening 311 has a receiving cavity for receiving part or all of the first transmission mechanism corresponding to the baffle 320 for adjusting the air outlet area of the air blowing port 311.
  • the drive assembly mounting portion 314 is for housing the drive assembly.
  • the cover portion 315 is covered at one end of the mounting groove and the drive assembly mounting portion 314.
  • the substrate may have an upper surface and a lower surface, and a lower surface is provided with a mounting groove for the airflow to flow therethrough.
  • the air blowing port portion 313 may have a bottom plate integrally formed with the base, a side wall of the air supply opening extending upward from the bottom plate, and a top wall of the air supply opening disposed opposite to the bottom plate.
  • One side of the bottom plate adjacent to the substrate has a mounting space for mounting the rotating shaft of the baffle 320.
  • the baffle 320 can be attached to the upper surface of the bottom plate when the corresponding air supply opening 311 is opened, so that the upper surface of the baffle 320 is flush with the upper surface of the bottom plate to facilitate air supply.
  • the drive assembly mounting portion 314 is a hollow housing structure having a lower opening to facilitate mounting of the drive assembly and mounting closure of the cover portion 315.
  • a cam chute is defined on a side surface of each of the rotating members facing the base, and the transmission device is located on the upper side of the rotating member and the baffle 320 in the open state, so that the space in the housing 310 can be fully utilized to make the in-line split air supply.
  • the device 300 is compact.
  • the third transmission 360 includes a sixth gear.
  • the sixth gear is directly or indirectly coupled to the drive source 350 and engages the teeth on one of the rotating members, and the teeth on one of the rotating members mesh with the teeth on the other of the rotating members.
  • the driving source 350 is a motor;
  • the third transmission mechanism 360 further includes a gear set having a seventh gear mounted on the output shaft of the motor, and an eighth gear meshing with the seventh gear; the eighth gear and the sixth The gears are coaxially arranged and rotate in synchronization.
  • the sixth gear can be mounted directly to the output shaft of the motor.
  • the baffle 320 of each in-line splitter air supply device 300 is preferably provided with at least two states of opening and closing the respective air supply ports 311. Moreover, the plurality of rotating members are equal in size and rotate in synchronization.
  • the number of air blowing ports 311 may be N, and N is a natural number greater than or equal to 2.
  • each cam chute includes at least 2 N -1 chute segments, and the insertion portion is at every At each end of each of the chute sections, the corresponding baffle 320 is closed to the corresponding air supply opening 311 or the corresponding air supply opening 311 is completely opened.
  • the plurality of rotating members are synchronously rotated at an angle corresponding to a central angle of one of the sliding groove segments, the plurality of air blowing ports 311 have an air blowing state, thereby causing the plurality of direct discharging air supply devices 300 to be sent.
  • the tuyere 311 has a total of 2 N kinds of air blowing states.

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)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

L'invention concerne un dispositif d'alimentation en air à ramification et un réfrigérateur. Ledit dispositif d'alimentation en air à ramification (400) comprend : un boîtier (410), ayant une partie de paroi circonférentielle (412) sur laquelle une pluralité d'orifices d'alimentation en air (411) sont disposés; une pluralité de chicanes (420), chaque chicane (420) étant installée en rotation au niveau d'un orifice d'alimentation en air (411); une pluralité d'ensembles de transmission, chaque ensemble de transmission ayant un engrenage rotatif (430) et un premier mécanisme de transmission (440), chaque premier mécanisme de transmission (440) étant configuré pour transférer un mouvement rotatif de l'engrenage rotatif correspondant (430) à une chicane (420) de façon à permettre à la chicane (420) d'être stationnaire ou de tourner; et un dispositif d'entraînement, ayant un anneau d'engrenage interne (460), chacun des engrenages rotatifs (430) étant monté dans l'anneau d'engrenage interne (460) et venant en prise avec l'anneau d'engrenage interne (460) de façon à entraîner la pluralité d'engrenages rotatifs (430) à tourner lorsque l'anneau d'engrenage interne (460) tourne. Le trajet d'écoulement et le débit d'air froid peuvent être ajustés de manière commode et uniforme, de l'air froid est raisonnablement réparti, et les performances de conservation et l'efficacité de fonctionnement du réfrigérateur sont améliorées. De plus, la commande est facile, et le réglage est pratique, rapide et très précis.
PCT/CN2018/123931 2017-12-29 2018-12-26 Dispositif d'alimentation en air à ramification et réfrigérateur WO2019129072A1 (fr)

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CN108050751A (zh) * 2017-12-29 2018-05-18 青岛海尔股份有限公司 分路送风装置及冰箱
CN108302875A (zh) * 2017-12-29 2018-07-20 青岛海尔股份有限公司 分路送风装置及冰箱
JP7226770B2 (ja) * 2018-12-20 2023-02-21 アクア株式会社 遮蔽装置およびそれを備えた冷蔵庫
CN111473572B (zh) * 2019-01-23 2023-03-31 海尔智家股份有限公司 冰箱的控制方法和冰箱
JP7296621B2 (ja) * 2019-05-24 2023-06-23 アクア株式会社 遮蔽装置およびそれを備えた冷蔵庫
JP7291382B2 (ja) * 2019-05-24 2023-06-15 アクア株式会社 遮蔽装置およびそれを備えた冷蔵庫
CN115962602A (zh) * 2021-10-11 2023-04-14 青岛海尔电冰箱有限公司 风冷式冰箱

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