WO2018227731A1 - 控风装置和冰箱 - Google Patents

控风装置和冰箱 Download PDF

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Publication number
WO2018227731A1
WO2018227731A1 PCT/CN2017/095120 CN2017095120W WO2018227731A1 WO 2018227731 A1 WO2018227731 A1 WO 2018227731A1 CN 2017095120 W CN2017095120 W CN 2017095120W WO 2018227731 A1 WO2018227731 A1 WO 2018227731A1
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WO
WIPO (PCT)
Prior art keywords
air
control device
tuyere
air control
refrigerator
Prior art date
Application number
PCT/CN2017/095120
Other languages
English (en)
French (fr)
Inventor
崔港
陆彭飞
张磊
张建
彭博
Original Assignee
合肥华凌股份有限公司
合肥美的电冰箱有限公司
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Application filed by 合肥华凌股份有限公司, 合肥美的电冰箱有限公司 filed Critical 合肥华凌股份有限公司
Publication of WO2018227731A1 publication Critical patent/WO2018227731A1/zh

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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
    • F25D17/042—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
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/04—Treating air flowing to refrigeration compartments

Definitions

  • the present invention relates to the field of home appliances, and in particular to a wind control device and a refrigerator.
  • the space for storing food in the refrigerator is large and divided into different regions, and it is necessary to transport the cold air of the required air volume to different locations for corresponding cooling and preservation.
  • the amount of conveyance is usually adjusted by providing a device such as a damper.
  • the damper is usually a baffle that is pivotally mounted in the air duct to control the communication of the air passage by pivoting, so that only the air supply can be controlled, and the air supply amount cannot be adjusted for actual different air volume requirements.
  • the object of the present invention is to solve the problem of providing different air supply volumes, and to provide a wind control device to provide different air supply amounts according to requirements.
  • an aspect of the present invention provides an air control device, wherein the air control device includes a housing and a control portion, the housing includes a first tuyere and a second tuyere, and the control portion includes a rotatable a rotating shaft disposed in the housing, the rotating shaft being provided with a radially protruding stopper for blocking the second tuyere through the stopper during the rotation of the rotating shaft.
  • the present invention also provides a refrigerator, wherein the refrigerator includes the air control device of the present invention.
  • the stopper can block the second tuyere, thereby blocking the communication between the first tuyere and the blocked second tuyere.
  • Figure 1 is an exploded view of an embodiment of the air control device of the present invention
  • Figure 2 is a front elevational view of the air control device of Figure 1;
  • Figure 3 is a cross-sectional view taken along line A-A of Figure 2;
  • FIG. 4 to 11 are schematic views of the air control device of Fig. 1 in different working modes
  • Figure 12 is a schematic view showing the flow of cold air in an operating state of the refrigerator with the wind control device of the present invention
  • Figure 13 is an exploded view of a casing and an air duct component of an embodiment of the refrigerator of the present invention
  • Figure 14 is a schematic view showing the cold air flow of the refrigerator of Figure 13;
  • Figure 15 is an exploded view of a portion of the air duct of the refrigerator of Figure 13;
  • Figure 16 is a perspective view of the upper portion of the heat insulating layer of the air duct of the refrigerator of Figure 13;
  • Figure 17 is a perspective view of the heat insulating layer of the air duct of the refrigerator of Figure 13;
  • Figure 18 is an exploded view of a casing and a duct member of another embodiment of the refrigerator of the present invention.
  • Figure 19 is a schematic view showing the cold air flow of the refrigerator of Figure 18;
  • Figure 20 is an exploded view of a portion of the air duct of the refrigerator of Figure 18;
  • Fig. 21 is a perspective view of the upper portion of the heat insulating layer of the air duct of the refrigerator of Fig. 18;
  • orientation words such as “up, down, left, and right” as used generally refer to the above, below, left, and right as shown in the accompanying drawings; "inside and outside”. It refers to the inside and outside of the contour of each component itself.
  • the air control device 30 includes a housing 33 and a control portion 32, the housing 33 including a first tuyere 31 and a second tuyere 331, the control
  • the portion 32 includes a rotating shaft 32b rotatably disposed in the housing 33, and the rotating shaft 32b is provided with a radially protruding stopper B to block the block B during the rotation of the rotating shaft 32b.
  • the second tuyere 331 is described.
  • the “occlusion” indicates that the block B has an area overlapping each other on the end surface of the second tuyere 331 , including completely blocking the second tuyere 331 and partially blocking the second tuyere 331 through the stopper B.
  • the stopper B By causing the rotating shaft 32b to rotate the stopper B, the stopper B can block the second tuyere 331, thereby blocking the communication between the first tuyere and the blocked second tuyere.
  • the connection between the first tuyere 31 and the second tuyere 331 can be controlled by rotating the rotating shaft 32b such that the blocking block B blocks the second tuyere 331 or does not block the second tuyere 331; The 32b is rotated such that the stopper B partially obscures the second tuyere 331 to a certain extent, thereby controlling the amount of wind passing through the second tuyere 331.
  • the housing 33 includes a plurality of the second tuyes 331, the axial direction of the rotating shaft 32b is parallel to the arrangement direction of the plurality of second tuyes 331, and the rotating shaft 32b is arranged in the axial direction.
  • a plurality of said blocks B Therefore, by rotating the rotating shaft 32b to move the stopper B, different stoppers B can block different second tuyes 331, the blocked second tuyes 331 are closed, and the unobstructed second tuyes 331 are opened, thereby making the A tuyeres 31 are in communication with different second tuyeres 331.
  • the air can be blown through the unobstructed second tuyere 331.
  • air can be blown to different positions of the refrigerator.
  • the first tuyere 31 is used as the air outlet and the second tuyere 331 is used as the air inlet
  • the second tuyere 331 that is not blocked can enter the air and pass through the first tuyere 31 to the desired position (for example, the return air inlet of the refrigerator). Further, as shown in FIG.
  • the airflow enters from one side of the air control device 30 (the side perpendicular to the axial direction of the rotary shaft 32b (up and down direction in FIG. 3) (the right side in FIG. 3)) and enters from the other side (
  • the left side of Fig. 3 is sent out, and a large amount of air can be introduced on the axial side of the rotating shaft 32b, which is advantageous for improving the air inlet efficiency and the air blowing efficiency and can reduce the steering of the air flow inside the air control device 30 and the resulting loss. .
  • a plurality of the blocks B are disposed in a plurality of groups along the axial direction of the rotating shaft 32b, and each of the groups of the blocks B corresponds to the same second air port 331, at least two groups.
  • the stopper B has the stopper B which is axially shifted. Therefore, during the rotation of the rotating shaft 32b, the two second tuyeres 331 corresponding to the at least two sets of the baffles B have different occluded states, so as to be combined with different states of the other second tuyes 331 according to functional needs.
  • each group of blocks B includes at least one block B, which may include one block B or a plurality of blocks B.
  • each set of the blocks B includes a plurality of the blocks B circumferentially spaced along the same axial position of the rotating shaft 32b. .
  • different sets of stops B can be aligned, staggered or partially aligned in the axial direction. Therefore, the plurality of stoppers B of each group can respectively block the corresponding second tuyes 331 when the rotating shaft 32b is rotated to different positions, so that the second tuyes 331 are closed in a plurality of different states, so as to be compatible with other functions according to functions.
  • the different states of the second tuyeres 331 are combined to set various operating modes.
  • the first tuyere 31 is disposed opposite to the second tuyere 331.
  • the first tuyere 31 and the second tuyere 331 are respectively disposed on the parallel opposite sides, for example, in the embodiment shown in FIG. 1, the first tuyere 31 as the air inlet, the second tuyere 331 serves as an air outlet, and the first tuyere 31 can be substantially completed on one side of the casing 33. Fully open to increase air intake.
  • the airflow After the airflow enters the casing 33 from the first tuyere 31, it can be sent in the respective directions through the second tuyere 331 which is not blocked by the stopper B.
  • the operation process of the first tuyere 31 as the air outlet is similar to the above, and will not be described in detail herein.
  • each of the second tuyes 331 is disposed to have a separate communication state that is separately communicated with the first tuyere 31 so as to have a respective second tuyere 331 Single-zone working mode of wind.
  • at least one of the second tuyes 331 may be a multi-state tuyere, and the multi-state tuyere can communicate with the other at least one of the second tuyes 331 simultaneously with the first tuyere 31 so as to have at least two second The tuyere 331 performs a multi-zone operation mode of blowing air.
  • the air control device 30 is disposed to have a state in which a plurality of the second air outlets 331 are blocked by the corresponding block B and not communicate with the first air outlet 31, so that the first air outlet 31 is not It is in communication with any second tuyere 331.
  • each of the second tuyes 331 has two states of opening and closing, for example, the wind control device 30 is provided with m second tuyeres 331 .
  • the more working modes corresponding to the partial opening of the second tuyere 331 can also be set.
  • the air control device 30 may include a rotating bracket 34, the housing 33 is fixed to the rotating bracket 34, and the control portion 32 is rotatably mounted to the rotating bracket 34.
  • the rotating shaft 32b can be driven by various appropriate means, such as manually rotating the rotating shaft. 32b.
  • the air control device 30 may include a motor 35 for driving the rotation of the control portion 32, and the outside of the motor 35 may also be protected by a protective cover 351.
  • the motor 35 is a two-way motor to more accurately drive the shaft 32b to rotate to the desired mode of operation over a 360° range.
  • the control portion 32 and the housing 33 may define opposing reference positions by a stop structure that cooperates with each other.
  • the start or end position of the range of rotation of the shaft 32b can be defined by the stop structure (of course, it can also be other reference positions, for example, a position rotated by 30 from the starting position of the relative rotation).
  • the stop structure can be in various suitable forms and can be placed on suitable components.
  • stop structures may be provided on the rotating shaft 32b and the rotating bracket 34, respectively.
  • the rotating shaft 32b may be provided with a first correcting block 321
  • the rotating bracket 34 may be provided with a second correcting block that cooperates with the first correcting block 321 at the starting or ending position of the desired positioning.
  • the air control device 30 is set to have n different operating states, and the motor 35 is a stepping motor and is arranged at an interval of 360°/n. Angle rotation.
  • the state of the wind in different operating modes will be described below with reference to Figs. 1 to 11 (in the embodiment of Figs. 1 to 11, the second tuyere 331 is used as the air outlet).
  • the second tuyere 331 includes a first air outlet 331a, a second air outlet 331b, and a third air outlet 331c, which are respectively disposed corresponding to the axial region 1 and the axial region 2, respectively.
  • the air control device 30 is configured to be capable of achieving a separate air supply operation mode through the first air outlet 331a, the second air outlet 331b, and the third air outlet 331c, respectively, and capable of passing any two second air outlets
  • the 331 realizes the combined air supply mode, the full air supply mode in which the three second air ports 331 are simultaneously supplied, and the closed mode in which all the three air ports 331 are all closed.
  • the air control device 30 therefore needs to have 8 operating modes (here, only the working mode in which the second tuyere 331 is completely blocked by the block B and closed or not blocked at all), the motor 35 can be set to 45°. Rotate for angular intervals.
  • each of the second tuyeres 331 is closed in four operating modes, and is opened in the other four operating modes, the rotating shaft 32b
  • the above-mentioned eight working modes can be realized by disposing four stoppers B corresponding to each of the second tuyeres 331 by shifting and aligning the stoppers B of the different second tuyeres 331 in the axial direction.
  • the order in which the specific working modes are implemented can be selected as needed.
  • the motor 35 is turned off by 0° from the initial position, and the first air outlet 331a, the second air outlet 331b, and the third air outlet 331c are both blocked by the corresponding block B and closed.
  • the motor 35 is rotated to a 45° position, the first air outlet 331a is in communication with the first air outlet 31, and the second air outlet 331b and the third air outlet 331c are blocked by the corresponding block B to be closed;
  • FIG. 4 the motor 35 is turned off by 0° from the initial position, and the first air outlet 331a, the second air outlet 331b, and the third air outlet 331c are both blocked by the corresponding block B and closed.
  • the motor 35 is rotated to the 90° position, the first air outlet 331a and the third air outlet 331c are closed by the corresponding block B, and the second air outlet 331b is connected to the first air outlet 31 to open;
  • the motor 35 is rotated to the 135° position, and the first air outlet 331a and the second air outlet 331b are closed by the corresponding block B, and the third air outlet 331c is connected to the first air outlet 31 to open;
  • the motor 35 is rotated to the 180° position, the first air outlet 331a and the second air outlet 331b are connected to the first air outlet 31 to be opened, and the third air outlet 331c is blocked by the corresponding block B; As shown, the motor 35 is rotated to a position of 225°, and the first air outlet 331a and the third air outlet 331c are connected to the first air outlet 31.
  • the second air outlet 331b is closed by the corresponding block B; as shown in FIG. 10, the motor 35 is rotated to the 270° position, and the first air outlet 331a is closed by the corresponding block B, and the second is closed.
  • the air outlet 331b and the third air outlet 331c are connected to the first air outlet 31 to be opened; as shown in FIG. 11, the motor 35 is rotated to a position of 315°, and the first air outlet 331a, the second air outlet 331b, and the third air outlet 331c are both It is connected to the first tuyere 31 to be opened.
  • the air control device 30 includes a seal 36 sealingly engaged between the second tuyere 331 and the control portion 32 to ensure that all gas entering from the first tuyere 31 passes through the unblocked
  • the second tuyeres 331 that are blocked by B are sent out or ensure that all the gas entering from the second tuyere 331 is sent out through the first tuyere 31.
  • a refrigerator is provided, wherein the refrigerator includes the air control device 30 of the present invention.
  • the wind control device 30 of the present invention is used to supply air.
  • the air control device 30 includes a first air control device
  • the refrigerator includes a air duct 100 and a storage area 220
  • the air duct 100 includes The air chamber 10, the first tuyere 31 of the first air control device is in communication with the air chamber 10, and the second tuyere 331 of the first air control device is in communication with the storage area 220.
  • the storage area 220 can be blown by the second tuyere 331 of the first air control device.
  • a plurality of second air outlets 331 may be respectively provided in one-to-one correspondence with the plurality of storage areas 220.
  • different storage areas 220 may be different. The combination of working states.
  • the air duct 100 includes a return air port 80
  • the air control device 30 includes a second air control device, and the first air outlet 31 or the second air outlet 331 and the return air port 80 of the second air control device Connected to return air through the first tuyere 31 or the second tuyere 331.
  • the return air through the return air port 80 can be controlled, and in particular, the air return port 80 can be controlled to be sent through the second air port 331 of different numbers and opening degrees. The amount of air entering, thus controlling the amount of return air.
  • the air control device 30 can be disposed at an appropriate position for arrangement.
  • the refrigerator includes a plurality of first wind control devices, and the plurality of the first air control devices are disposed at The two sides of the air chamber 10 are positioned to supply air to different storage areas 220 in the cabinet 200 of the refrigerator from both sides.
  • the inside of the box 200 may include a refrigerating area and a freezing area
  • the storage area 220 may include a plurality of compartments in which the refrigerating area is partitioned by the shelf 210, and the first air control device is from the middle of the wind chamber 10.
  • the cold air flow path is as indicated by an arrow in Fig. 14
  • air is supplied from both sides of the refrigerating zone to the middle of the compartment (the cold air flow path is as indicated by an arrow in Fig. 12) .
  • the position where the cold air is introduced into the wind chamber 10 is usually located in the middle of the air chamber 10, and the first air control device can be placed in the multi-system refrigerator as far as possible by placing the first air control device on both sides in the air chamber 10.
  • the position of the fan 300 is so as not to affect the efficiency of the fan 300 and prevent the operation of the fan 300 from interfering with the air blowing efficiency of the first air control device.
  • the portion is also provided with a freezing area, and the storage area 220 may further include a storage space defined by each drawer of the freezing area.
  • the refrigerating zone and the freezing zone may respectively supply air through different second tuyées 331 to achieve separate and simultaneous air supply of the refrigerating zone and the freezing zone.
  • the senor 400 may be disposed at at least a portion of the second tuyere 331 to monitor the air outlet condition of the second tuyere 331, and by feedback to the controller, the controller may adaptively adjust the air supply intensity to achieve the second The cooling effect required for the area corresponding to the tuyere 331 and the amount of air supplied to the desired area can be adjusted by opening or closing the other second tuyere 331.
  • the air duct 100 includes a front cover 40, a rear cover 50 and an insulation layer 60 interposed between the front cover 40 and the rear cover 50.
  • the air chamber 10 is defined by the rear cover 50 and the insulation layer 60 for easy installation.
  • the housing 33 may be disposed on the insulating layer 60, the front cover 40 or the rear cover 50. Specifically, the housing 33 may be mounted on the heat insulating layer 60, the front cover 40 or the rear cover 50.
  • the heat insulating layer 60 may be provided with a wind control device.
  • the housing 33 may be integrally formed on the heat insulating layer 60, the front cover 40 or the rear cover 50 (the housing 33 and the The rear cover 50 may be formed as a single piece, and the rotating bracket 34 may also be integrally formed with the rear cover 50; or, for example, the first tuyere 31 and the second tuyere 331 may be opened on the heat insulating layer 60 as the casing 33); Alternatively, the housing 33 may be placed in the insulating layer 60.
  • the refrigerator of the present invention may be a multi-system refrigerator, such as the embodiment shown in FIGS. 13 to 17, or may be a single-system refrigerator, such as the embodiment shown in FIGS. 18 to 21.
  • a fan 300 is disposed in the air chamber 10 to extract cold air from outside the air chamber 10 and send it to the first tuyere 31 of the air control device 30.
  • the volute 61 is disposed in the fan cavity of the heat insulating layer 60. Further, as described above, by providing the air control device 30 on both sides of the air chamber 10, the air control device 30 can be moved away from the fan 300, and the air control device 30 can be prevented from obstructing the airflow sucked by the fan 300 to cause loss.
  • the fan 300 is not disposed in the air chamber 10, and the cold air is introduced from the other portions of the refrigerator and sent to the first tuyere 31 of the air control device 30.
  • the air control device 30 may be disposed at the air return opening of the air duct 100, so as to control the return air through the opening, closing, opening and quantity of the first air outlet 31 or the second air outlet 331 communicating with the air return port. Air volume.
  • the air duct 100 further includes a refrigerating device 70 located below the air chamber 10, and the return air port 80 is located below the refrigerating device 70, and enters from the air return port 80.
  • the wind flows through the refrigerating device 70 and is cooled into cold air for providing a cooling effect to different positions of the refrigerator.
  • the cold air is sucked into the air chamber 10 through the fan 300, and then sent to the storage area 220, for example, through the first air control device, and finally The storage area 220 is returned again via the return air port 80 to be cooled again by the refrigeration device 70 and form a circulation path.
  • the second air control device When the second air control device is disposed at the return air port 80, the second air control device may be disposed on a path from the return air port 80 to the refrigerating device 70 to control the amount of air cooled back to the refrigerating device 70.
  • different air supply modes can be realized by the air control device 30, for example, local temperature adjustment and concentration cooling of one or some storage areas 220, and temperature uniformity of the storage area 220 in time and space can be improved.
  • the air control device 30 can also be used in other occasions where the air volume needs to be controlled, such as normal temperature wind, hot air, etc. .
  • the air control device 30 can also be used to transport a gas-liquid mixture (for example, cold air with humidity delivered during humidity conditioning in the refrigerator).

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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)

Abstract

一种控风装置（30）和冰箱，控风装置（30）包括壳体（33）和控制部（32），壳体（33）包括第一风口（31）和第二风口（331），控制部（32）包括可转动地设置在壳体（33）内的转轴（32b），转轴（32b）设置有径向突出的挡块（B），以在转轴（32b）转动的过程中通过挡块（B）遮挡第二风口（331），从而阻断第一风口（31）和被遮挡的第二风口（331）的连通，并可以通过使转轴（32b）转动到使得挡块（B）不同程度地部分遮挡第二风口（331），从而控制通过第二风口（331）的风量。

Description

控风装置和冰箱 技术领域
本发明涉及家电领域，具体地涉及控风装置和冰箱。
背景技术
在很多送风应用场合，通常需要根据实际情况提供不同的风量。例如，冰箱内储存食品的空间较大且分隔为不同区域，需要对不同位置输送所需风量的冷风以进行相应的冷却保藏。现有技术中，通常通过设置风门等装置来调节输送量。风门通常为枢转地安装在风道内的挡板，以通过枢转来控制风道的连通与否，因而只能控制是否送风，无法针对实际不同的风量需求来调节送风量。
发明内容
本发明的目的是为了解决提供不同送风量的问题，提供一种控风装置，以根据需求提供不同送风量。
为了实现上述目的，本发明一方面提供一种控风装置，其中，所述控风装置包括壳体和控制部，所述壳体包括第一风口和第二风口，所述控制部包括可转动地设置在所述壳体内的转轴，所述转轴设置有径向突出的挡块，以在所述转轴转动的过程中通过所述挡块遮挡所述第二风口。
本发明还提供一种冰箱，其中，所述冰箱包括本发明的控风装置。
通过上述技术方案，通过使转轴带动挡块转动，可以使挡块遮挡第二风口，从而阻断第一风口和被遮挡的第二风口的连通。一方面，可以通过使转轴转动到使得挡块遮挡第二风口或不遮挡第二风口来控制第一风口与第二风口的连通与否；另一方面，可以通过使转轴转动到使得挡块不同程 度地部分遮挡第二风口，从而控制通过第二风口的风量。
附图说明
图1是本发明的控风装置的一种实施方式的爆炸图；
图2是图1的控风装置的主视图；
图3是沿图2中A-A线截取的剖视图；
图4至图11是图1的控风装置在不同工作模式的示意图；
图12是带有本发明的控风装置的冰箱的一种工作状态的冷风流动示意图；
图13是本发明的冰箱的一种实施方式的箱体和风道部件的爆炸图；
图14是图13的冰箱的冷风流动示意图；
图15是图13的冰箱的风道的一部分的爆炸图；
图16是图13的冰箱的风道的保温层上部的立体图；
图17是图13的冰箱的风道的保温层的立体图；
图18是本发明的冰箱的另一种实施方式的箱体和风道部件的爆炸图；
图19是图18的冰箱的冷风流动示意图；
图20是图18的冰箱的风道的一部分的爆炸图；
图21是图18的冰箱的风道的保温层上部的立体图。
附图标记说明
10-风腔，30-控风装置，31-第一风口，32-控制部，32b-转轴，321-第一校正块，33-壳体，331-第二风口，331a-第一出风口，331b-第二出风口，331c-第三出风口，34-转动支架，35-电机，351-保护罩，36-密封件，40-前盖板，50-后盖板，60-保温层，61-蜗舌，62-控风装置安装部，70-制冷装置，80-回风口，100-风道，200-箱体，210-搁架，220-储藏区域，300-风机，400-传感器，B-挡块。
具体实施方式
在本发明中，在未作相反说明的情况下，使用的方位词如“上、下、左、右”通常是指参考附图所示的上、下、左、右；“内、外”是指相对于各部件本身的轮廓的内、外。
根据本发明的一个方面，提供一种控风装置，其中，所述控风装置30包括壳体33和控制部32，所述壳体33包括第一风口31和第二风口331，所述控制部32包括可转动地设置在所述壳体33内的转轴32b，所述转轴32b设置有径向突出的挡块B，以在所述转轴32b转动的过程中通过所述挡块B遮挡所述第二风口331。
其中，“遮挡”表示挡块B在第二风口331的端面上具有彼此重合的区域，包括通过挡块B完全遮挡第二风口331和部分遮挡第二风口331。
通过使转轴32b带动挡块B转动，可以使挡块B遮挡第二风口331，从而阻断第一风口和被遮挡的第二风口的连通。一方面，可以通过使转轴32b转动到使得挡块B遮挡第二风口331或不遮挡第二风口331来控制第一风口31与第二风口331的连通与否；另一方面，可以通过使转轴32b转动到使得挡块B不同程度地部分遮挡第二风口331，从而控制通过第二风口331的风量。
优选地，所述壳体33包括多个所述第二风口331，所述转轴32b的轴向平行于多个所述第二风口331的排列方向，所述转轴32b设置有沿轴向排列的多个所述挡块B。由此，通过使转轴32b带动挡块B转动，可以使不同的挡块B遮挡不同的第二风口331，被遮挡的第二风口331关闭，未被遮挡的第二风口331开启，从而使第一风口31与不同的第二风口331连通。
其中，当第一风口31作为进风口且第二风口331作为出风口时，可以通过未被遮挡的第二风口331送风，例如可以对冰箱的不同位置进行送风。 当第一风口31作为出风口且第二风口331作为进风口时，可以通过未被遮挡的第二风口331进风并通过第一风口31出风到所需位置(例如冰箱的回风口)。另外，如图3所示，气流从控风装置30的一侧(垂直于转轴32b的轴向(图3中上下方向)的一侧(图3中右侧))进入并从另一侧(图3中左侧)送出，能够在转轴32b的轴向的一侧大量进风，有利于提高进风效率和送风效率并能够减少气流在控风装置30内部的转向和由此导致的损耗。
优选地，如图1所示，多个所述挡块B沿所述转轴32b的轴向设置为多组，每组所述挡块B对应于同一个所述第二风口331，至少两组所述挡块B中具有沿轴向错开的所述挡块B。由此，在转轴32b的转动过程中，该至少两组挡块B对应的两个第二风口331具有不同时被遮挡的状态，以便根据功能需要与其他第二风口331的不同状态进行组合来设置各种工作模式。可以理解的，每组挡块B包括至少一个挡块B，既可以包括一个挡块B，也可以包括多个挡块B。
其中，为便于通过转轴32b转动到不同位置来实现不同工作模式，优选地，每组所述挡块B包括沿所述转轴32b的同一轴向位置周向间隔设置的多个所述挡块B。其中，不同组的挡块B可以沿轴向对齐、错开或部分对齐。由此，可以通过每组的多个挡块B在转轴32b转动到不同位置时分别遮挡对应的第二风口331，使得该第二风口331在多个不同状态下关闭，以便根据功能需要与其他第二风口331的不同状态进行组合来设置各种工作模式。
此外，为减少气流在流动时的损失并且便于设置控风装置30的送风方向，所述第一风口31与所述第二风口331相对设置。例如，在壳体33为具有平行相对的侧的情况下，第一风口31和第二风口331分别设置在该平行相对的侧上，例如，在图1所示的实施方式中，第一风口31作为进风口，第二风口331作为出风口，第一风口31可以在壳体33的一侧上基本上完 全开放以增加进气量。由此，气流从第一风口31进入壳体33内后，可以在各个方向上通过未被挡块B遮挡的第二风口331送出。同理，第一风口31作为出风口的操作过程与上述类似，在此不作详述。
为通过控风装置30实现多种工作模式，优选地，每个所述第二风口331设置为具有单独与所述第一风口31连通的单独连通状态，以便具有分别通过各个第二风口331送风的单区域工作模式。另外，至少一个所述第二风口331可以为多状态风口，所述多状态风口能够与其他的至少一个所述第二风口331同时与所述第一风口31连通，以便具有至少两个第二风口331进行送风的多区域工作模式。
此外，所述控风装置30设置为具有使得多个所述第二风口331全部通过相应的所述挡块B遮挡而与所述第一风口31不连通的状态，从而使第一风口31不与任何第二风口331连通。
其中，通过合理组合不同第二风口331的单独开启状态、与其他第二风口331同时开启的状态等，可以实现各种所需的送风或进风状态。例如，以第二风口331的开启(这里指开启至最大流量)和关闭为例，每个第二风口331具有开启和关闭两个状态，如控风装置30设置有m个第二风口331，则根据排列组合，可以具有2m个工作模式，包括：第二风口331全开启、第二风口331全关闭、第一个第二风口331(按排列方向排序)开启而其他第二风口331全关闭、第一个和第二个第二风口331开启而其他第二风口331全关闭……第一个第二风口331关闭而其他第二风口331全开启。根据控制第二风口331的风量需要，还可以设置第二风口331部分开启所对应的更多的工作模式。
为实现转轴32b的转动，所述控风装置30可以包括转动支架34，所述壳体33固定于所述转动支架34，所述控制部32可转动地安装于所述转动支架34。
本发明中，可以通过各种适当的方式驱动转轴32b，例如手动转动转轴 32b。为便于自动控制，所述控风装置30可以包括用于驱动所述控制部32转动的电机35，电机35外侧还可以通过保护罩351保护。优选地，所述电机35为双向电机，以便在360°范围内更精确地驱动转轴32b转动到所需的工作模式。
其中，为精确确定转轴32b的转动位置，所述控制部32和所述壳体33可以通过彼此配合的止挡结构限定相对的参照位置。例如，可以通过止挡结构限定转轴32b转动范围的起始或终点位置(当然也可以是其他参考位置，例如从相对转动的起始位置开始转动30°的位置)。其中，止挡结构可以为各种适当形式，并可以设置在适当的部件上。例如，止挡结构可以分别设置在所述转轴32b和所述转动支架34上。具体的，转轴32b上可以设置有第一校正块321，转动支架34上可以设置有在所需定位的起始或终点位置与第一校正块321止挡配合的第二校正块。
为进一步精确控制转轴32b转动到各工作模式对应的位置，所述控风装置30设置为能够具有n种不同的工作状态，所述电机35为步进电机并设置为以360°/n为间隔角度转动。下面结合图1至图11说明不同工作模式下的出风状态(在图1至图11的实施方式中，以第二风口331作为出风口)。在图1至图3所示的实施方式中，第二风口331包括依次设置的第一出风口331a、第二出风口331b和第三出风口331c，分别对应轴向区域1、轴向区域2和轴向区域3的送风，控风装置30设置为能够分别通过第一出风口331a、第二出风口331b和第三出风口331c实现单独送风工作模式、能够通过任意两个第二风口331实现联合送风工作模式、能够实现三个第二风口331同时送风的全送风工作模式并且能够实现将三个第二风口331全部关闭的关闭模式。控风装置30因此需要具有8个工作模式(这里，仅说明第二风口331完全被挡块B遮挡而关闭或完全不被遮挡而开启的工作模式)，则可以将电机35设置为以45°为角度间隔转动。为此，每个第二风口331在4个工作模式下关闭，在另外4个工作模式下开启，转轴32b 上设置有对应每个第二风口331的4个挡块B，通过沿轴向错开和对齐不同第二风口331的挡块B，可以实现上述8个工作模式。具体的工作模式的实现顺序可以根据需要选择。
例如，如图4所示，此时电机35出于起始位置，即转动0°，第一出风口331a、第二出风口331b和第三出风口331c均被相应的挡块B遮挡而关闭；如图5所示，电机35转动到45°位置，第一出风口331a与第一风口31连通而开启，第二出风口331b和第三出风口331c被相应的挡块B遮挡而关闭；如图6所示，电机35转动到90°位置，第一出风口331a和第三出风口331c被相应的挡块B遮挡而关闭，第二出风口331b与第一风口31连通而开启；如图7所示，电机35转动到135°位置，第一出风口331a和第二出风口331b被相应的挡块B遮挡而关闭，第三出风口331c与第一风口31连通而开启；如图8所示，电机35转动到180°位置，第一出风口331a和第二出风口331b与第一风口31连通而开启，第三出风口331c被相应的挡块B遮挡而关闭；如图9所示，电机35转动到225°位置，第一出风口331a和第三出风口331c与第一风口31连通而开启，第二出风口331b被相应的挡块B遮挡而关闭；如图10所示，电机35转动到270°位置，第一出风口331a被相应的挡块B遮挡而关闭，第二出风口331b和第三出风口331c与第一风口31连通而开启；如图11所示，电机35转动到315°位置，第一出风口331a、第二出风口331b和第三出风口331c均与第一风口31连通而开启。
另外，优选地，所述控风装置30包括密封接合在所述第二风口331和所述控制部32之间的密封件36，以确保从第一风口31进入的气体全部通过未被挡块B遮挡的第二风口331送出或者确保从第二风口331进入的气体全部通过第一风口31送出。
根据本发明的另一方面，提供一种冰箱，其中，所述冰箱包括本发明的控风装置30。
根据本发明的一种实施方式，使用本发明的控风装置30送风，具体地，控风装置30包括第一控风装置，冰箱包括风道100和储藏区域220，所述风道100包括风腔10，第一控风装置的所述第一风口31与所述风腔10连通，第一控风装置的所述第二风口331与所述储藏区域220连通。
由此，可以通过第一控风装置的的第二风口331对储藏区域220送风。在具有多个储藏区域220的情况下，可以设置多个第二风口331分别与多个储藏区域220一一对应地连通，根据第二风口331的不同工作模式，可以使不同储藏区域220具有不同的工作状态组合。
根据本发明的另一种实施方式，所述风道100包括回风口80，控风装置30包括第二控风装置，第二控风装置的第一风口31或第二风口331与回风口80连通，以便通过第一风口31或第二风口331回风。在第一风口31或第二风口331与回风口80连通的情况下，可以控制经回风口80的回风，特别是可以通过不同的数量和开启程度的第二风口331控制向回风口80送入的风量，从而控制回风量。
其中，控风装置30可以设置在适当位置，以便布置。例如，在通过第二风口331向不同储藏区域220送风的情况下，如图12-21所示，所述冰箱包括多个第一控风装置，多个所述第一控风装置设置在所述风腔10内的两侧位置，从而分别从两侧对冰箱的箱体200内的不同储藏区域220送风。具体的，如图12所示，箱体200的内部可以包括冷藏区和冷冻区，储藏区域220可以包括冷藏区通过搁架210分隔的多个隔间，第一控风装置从风腔10中部引入冷气并从箱体200的两侧送风(冷风流动路径如图14中箭头所示)，继而从冷藏区的两侧向隔间中部送风(冷风流动路径如图12中箭头所示)。其中，风腔10中引入冷风的位置(例如风机300的位置)通常位于风腔10的中部，通过将第一控风装置设置在风腔10内的两侧位置，可以尽量远离多系统冰箱中风机300的位置，以免影响风机300的效率并防止风机300的运转干涉第一控风装置的出风效率。另外，箱体200的下 部还设置有冷冻区，储藏区域220还可以包括冷冻区的各个抽屉限定的储藏空间。冷藏区和冷冻区可以分别通过不同的第二风口331送风，以便实现冷藏区和冷冻区的单独和同时送风。
其中，可以在至少一部分第二风口331处设置传感器400，以监测该第二风口331的出风情况，并通过反馈到控制器，控制器可以根据需要适应性调整送风强度以达到该第二风口331对应的区域所需达到的制冷效果，并且向所需区域送风的风量可以通过开启或关闭其他第二风口331来调节。
风道100包括前盖板40、后盖板50和夹设在前盖板40与后盖板50之间的保温层60，风腔10通过后盖板50和保温层60限定，为便于安装，壳体33可以设置在保温层60、前盖板40或后盖板50上。具体的，可以将壳体33安装在保温层60、前盖板40或后盖板50上，例如，根据一种实施方式，如图15所示，保温层60上可以设置有控风装置安装部62(例如安装槽)，以安装壳体33；可选择地，也可以将壳体33一体形成在保温层60、前盖板40或后盖板50上(所述壳体33与所述后盖板50可以形成一体件，转动支架34也可以与后盖板50一体形成；或者，例如在保温层60上开设第一风口31和第二风口331而作为壳体33)；还可选择地，也可以将壳体33嵌入保温层60设置。
此外，本发明的冰箱可以为多系统冰箱，例如图13至图17所示的实施方式，也可以为单系统冰箱，例如图18至图21所示的实施方式。
其中，对于多系统冰箱，风腔10内设置有风机300，以便从风腔10外抽取冷气并送至控风装置30的第一风口31。其中，为有利地将风机300抽取的冷气集中导向，保温层60的风机腔内设置有蜗舌61。另外，如上所述，通过将控风装置30设置在风腔10两侧，可以使控风装置30远离风机300，避免控风装置30阻碍风机300抽吸的气流而产生损耗。
对于单系统冰箱，风腔10内不设置风机300，冷气从冰箱其他部分引入并送至控风装置30的第一风口31。
另外，还可以将所述控风装置30设置在所述风道100的回风口处，从而通过与回风口连通的第一风口31或第二风口331的开闭、开启程度和数量控制回风风量。
在此，结合附图说明冰箱的送风的工作过程。以图13至图17所示的多系统冰箱为例，如图17所示，风道100还包括位于风腔10下方的制冷装置70，回风口80位于制冷装置70下方，从回风口80进入的风流经制冷装置70而冷却为用于向冰箱的不同位置提供制冷效果的冷风，冷风通过风机300抽吸至风腔10内，随后例如通过第一控风装置送至储藏区域220，最后从储藏区域220经回风口80再次返回以再次经制冷装置70冷却并形成循环路径。
在将第二控风装置设置在回风口80处时，可以将第二控风装置设置在从回风口80送至制冷装置70的路径上，以控制送回制冷装置70冷却的风量。
本发明的冰箱，通过控风装置30可以实现不同送风模式，例如对某个或某些储藏区域220局部调节温度、集中降温，并且能够提高储藏区域220在时间、空间上的温度均匀性。
需要说明的是，虽然以上结合冰箱的具体应用说明了控风装置30的输送冷风的实例，但可以理解的，控风装置30也可以用于其它需要控制风量的场合，例如常温风、热风等。此外，控风装置30也可以用于输送气液混合物(例如冰箱内调湿时输送的具有湿度的冷空气)。
以上结合附图详细描述了本发明的优选实施方式，但是，本发明并不限于此。在本发明的技术构思范围内，可以对本发明的技术方案进行多种简单变型。本发明包括各个具体技术特征以任何合适的方式进行组合。为了避免不必要的重复，本发明对各种可能的组合方式不再另行说明。但这些简单变型和组合同样应当视为本发明所公开的内容，均属于本发明的保护范围。

Claims (17)

  1. 一种控风装置，其特征在于，所述控风装置(30)包括壳体(33)和控制部(32)，所述壳体(33)包括第一风口(31)和第二风口(331)，所述控制部(32)包括可转动地设置在所述壳体(33)内的转轴(32b)，所述转轴(32b)设置有径向突出的挡块(B)，以在所述转轴(32b)转动的过程中通过所述挡块(B)遮挡所述第二风口(331)。
  2. 根据权利要求1所述的控风装置，其特征在于，所述壳体(33)包括多个所述第二风口(331)，所述转轴(32b)的轴向平行于多个所述第二风口(331)的排列方向，所述转轴(32b)设置有沿轴向排列的多个所述挡块(B)。
  3. 根据权利要求2所述的控风装置，其特征在于，多个所述挡块(B)沿所述转轴(32b)的轴向设置为多组，每组所述挡块(B)对应于同一个所述第二风口(331)，至少两组所述挡块(B)中具有沿轴向错开的所述挡块(B)。
  4. 根据权利要求1所述的控风装置，其特征在于，所述第一风口(31)与所述第二风口(331)相对设置。
  5. 根据权利要求2所述的控风装置，其特征在于，每个所述第二风口(331)设置为具有单独与所述第一风口(31)连通的单独连通状态；并且/或者，至少一个所述第二风口(331)为多状态风口，所述多状态风口能够与其他的至少一个所述第二风口(331)同时与所述第一风口(31)连通。
  6. 根据权利要求2所述的控风装置，其特征在于，所述控风装置(30) 设置为具有使得多个所述第二风口(331)全部通过相应的所述挡块(B)遮挡而与所述第一风口(31)不连通的状态。
  7. 根据权利要求1-6中任意一项所述的控风装置，其特征在于，所述控制部(32)和所述壳体(33)通过彼此配合的止挡结构限定相对的参照位置。
  8. 根据权利要求7所述的控风装置，其特征在于，所述控风装置(30)包括用于驱动所述控制部(32)转动的电机(35)，所述电机(35)为双向电机。
  9. 根据权利要求8所述的控风装置，其特征在于，所述控风装置(30)设置为能够具有n种不同的工作状态，所述电机(35)为步进电机并设置为以360°/n为间隔角度转动。
  10. 根据权利要求1-6中任意一项所述的控风装置，其特征在于，所述控风装置(30)包括转动支架(34)，所述壳体(33)固定于所述转动支架(34)，所述控制部(32)可转动地安装于所述转动支架(34)。
  11. 根据权利要求1-6中任意一项所述的控风装置，其特征在于，所述控风装置(30)包括密封接合在所述第二风口(331)和所述控制部(32)之间的密封件(36)。
  12. 一种冰箱，其特征在于，所述冰箱包括根据权利要求1-11中任意一项所述的控风装置(30)。
  13. 根据权利要求12所述的冰箱，其特征在于，所述冰箱包括风道(100)和储藏区域(220)，所述风道(100)包括风腔(10)和回风口(80)，其中：
    所述控风装置(30)包括第一控风装置，所述第一控风装置的所述第一风口(31)与所述风腔(10)连通，所述第一控风装置的所述第二风口(331)与所述储藏区域(220)连通；并且/或者，
    所述控风装置(30)包括第二控风装置，所述第二控风装置的所述第一风口(31)或所述第二风口(331)与所述回风口(80)连通。
  14. 根据权利要求13所述的冰箱，其特征在于：
    所述冰箱包括多个所述第一控风装置，多个所述第一控风装置设置在所述风腔(10)内的两侧位置；并且/或者，
    所述第二控风装置设置在所述风道(100)的所述回风口(80)处。
  15. 根据权利要求12-14中任意一项所述的冰箱，其特征在于，所述冰箱包括前盖板(40)、后盖板(50)和夹设在所述前盖板(40)与所述后盖板(50)之间的保温层(60)，所述壳体(33)设置在所述保温层(60)、前盖板(40)或后盖板(50)上。
  16. 根据权利要求15所述的冰箱，其特征在于，所述壳体(33)与所述保温层(60)、前盖板(40)或后盖板(50)形成一体件。
  17. 根据权利要求15所述的冰箱，其特征在于，所述壳体(33)嵌入所述保温层(60)设置。
PCT/CN2017/095120 2017-06-12 2017-07-31 控风装置和冰箱 WO2018227731A1 (zh)

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