WO2023160146A1 - 一种可自动调节的机械风门以及冰箱 - Google Patents

一种可自动调节的机械风门以及冰箱 Download PDF

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Publication number
WO2023160146A1
WO2023160146A1 PCT/CN2022/139159 CN2022139159W WO2023160146A1 WO 2023160146 A1 WO2023160146 A1 WO 2023160146A1 CN 2022139159 W CN2022139159 W CN 2022139159W WO 2023160146 A1 WO2023160146 A1 WO 2023160146A1
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WIPO (PCT)
Prior art keywords
damper
automatically adjustable
adjustable mechanical
fixedly connected
slide
Prior art date
Application number
PCT/CN2022/139159
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English (en)
French (fr)
Inventor
杜华东
黄玉杰
邓思垒
李倩
Original Assignee
澳柯玛股份有限公司
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Publication of WO2023160146A1 publication Critical patent/WO2023160146A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • 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
    • 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
    • F25D23/00—General constructional features
    • F25D23/006—General constructional features for mounting refrigerating machinery components
    • 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
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices

Definitions

  • the invention relates to the technical field of refrigeration, in particular to an automatically adjustable mechanical damper and a refrigerator.
  • the present invention provides an automatically adjustable mechanical damper and a refrigerator.
  • the present invention adopts the following technical solutions:
  • An automatically adjustable mechanical damper includes a damper casing, a damper slide and a power part, the damper casing has a through vent hole, and the damper slide can completely close the vent hole.
  • One end of the power part is fixedly connected to the damper slide, and the other end is fixedly connected to the damper housing, and the power part is made of memory metal.
  • the power element is a spring
  • the first damper housing is provided with a chute on the upper side of the ventilation hole that can be adapted to the first damper slide, and the first damper slide can be moved along The chute moves up and down.
  • Both the first damper slide piece and the ventilation holes are square.
  • the top of the chute is provided with a first fixing groove which can be adapted to the spring
  • the top of the first damper slide is provided with a second fixing groove which can be adapted to the spring
  • the upper end of the spring is fixedly connected to the top of the first fixing groove, and the lower end of the spring is fixedly connected to the bottom of the second fixing groove.
  • the upper side of the second damper housing has a fixed seat with both ends bent downward, and fixed shafts arranged coaxially along the ventilation holes are fixedly connected between the bent ends of the fixed seat,
  • the front part of the fixed shaft is covered with a movable sleeve; the power part is a coil spring.
  • the second damper slide is approximately inverted T-shaped, and its upper end is provided with a through hole and can be adapted and fixedly connected with the bushing, and the lower end of the second damper slide can be adapted to the ventilation hole ;
  • the ventilation holes are square.
  • the inner end of the coil spring is fixedly connected to the bushing, and the outer end of the coil spring is fixedly connected to the second damper housing.
  • the fixed shaft, the bushing and the coil spring are arranged coaxially.
  • a refrigerator comprising a box body, a refrigeration system, and an automatically adjustable mechanical damper set in the box body as described in any one of the above.
  • the box includes a refrigerating room and a freezing room, the automatically adjustable mechanical damper is set at the air supply port or air return port of the refrigerating room, and the freezing room is provided with a thermostat in the refrigeration system to control the opening of the compressor or off.
  • the present invention utilizes the heat-sensitive characteristic of the memory metal, can automatically open or close the damper according to the temperature, has a compact structure and a relatively wide application range.
  • the invention realizes the function by using simple mechanical linkage, can reduce the use of complex electronic systems, has a stable structure, and is not easy to be damaged.
  • Fig. 1 shows an embodiment of the present invention, which shows a schematic view of the structure of the vent opening state.
  • FIG. 2 is a schematic cross-sectional structure diagram of FIG. 1 .
  • FIG. 3 is a schematic structural view of the closed state of the ventilation holes in FIG. 1 .
  • FIG. 4 is a schematic cross-sectional structure diagram of FIG. 3 .
  • Fig. 5 shows another embodiment of the present invention, which shows a schematic structural view of the vent opening state.
  • FIG. 6 is a schematic structural view of the closed state of the ventilation hole in FIG. 5 .
  • the invention discloses an automatically adjustable mechanical damper, which includes a damper housing 1, a damper slide 2 and a power part.
  • the power part is made of memory metal.
  • the damper housing 1 is square, and its lower part has a through-shaped ventilation hole 7 .
  • the damper casing 1 is provided with a chute 104 on the upper side of the ventilation hole 7 which is compatible with the damper slide 2 , and the damper slide 2 can move up and down along the chute 104 .
  • the power part is a spring 3
  • the top of the chute 104 is provided with a first fixing groove 102 compatible with the spring 3
  • the top of the damper slide 2 is provided with a second fixing groove 103 compatible with the spring 3 .
  • the upper end of the spring 3 is fixedly connected to the top of the first fixing groove 102
  • the lower end of the spring 3 is fixedly connected to the bottom of the second fixing groove 103 .
  • the usage method of the present invention is: the spring 3 is a memory metal with heat-sensitive properties.
  • the spring 3 When the temperature is higher than a certain threshold value, the spring 3 automatically shortens, and drives the damper slider 2 fixedly connected to its lower end to move upward along the chute 104 to open Vent 7.
  • the spring 3 when the temperature is lower than a certain threshold value, the spring 3 automatically stretches, and pushes the damper slider 2 fixedly connected to its lower end to move down along the chute 104, and the lower end of the damper slider 2 moves downwards.
  • the chute 104 When the chute 104 is used, it can move along the groove 101 on the side wall of the ventilation hole 7 and move to the groove 101 on the lower side wall of the ventilation hole 7 .
  • the damper slide 2 cooperates with the groove 101 to completely close the ventilation hole 7 to avoid air leakage.
  • the damper housing 1 in this embodiment is in a square shape, and its upper side has a fixed seat 105 with both ends bent downward, and the two ends of the fixed seat 105 bent downward are fixedly connected with ventilation
  • the holes 7 are coaxially arranged with the fixed shaft 106 .
  • a shaft sleeve 107 is sleeved on the front of the fixed shaft 106 , and the shaft sleeve 107 can rotate coaxially around the fixed shaft 106 .
  • the damper slide 2 is approximately in an inverted T shape, and a through hole is provided at its upper end.
  • the damper sliding piece 2 is fixedly sleeved on the front part of the shaft sleeve 107 through the through hole.
  • the lower end of the damper slide 2 can be matched with the air hole 7 that is square, and the air hole 7 can be completely closed.
  • the power part is a coil spring 4, the inner end of the coil spring 4 is fixedly connected with the rear part of the axle sleeve 107, and the outer end of the coil spring 4 is fixedly connected with the top of the fixed seat 105 of the damper housing 1.
  • the damper sliding piece 2, the shaft sleeve 107 and the fixed shaft 106 are all arranged coaxially.
  • the coil spring 4 is a memory metal with heat-sensitive characteristics.
  • the coil spring 4 automatically expands and becomes longer, so that the shaft sleeve 107 rotates counterclockwise around the fixed shaft 106, driving The lower end of the damper slide 2 swings to the right to open the vent 7.
  • the spring 3 automatically shrinks and shortens, so that the axle sleeve 107 rotates clockwise around the fixed shaft 106, and drives the lower end of the damper slide 2 to swing to the left to close the ventilation hole 7.
  • the lower end of the damper slide plate 2 can completely close the ventilation hole 7, so as to prevent it from leaking cold air.
  • a refrigerator comprising a box body, a refrigeration system, and an automatically adjustable mechanical damper set in the box body as described in any one of the above.
  • the cabinet includes a refrigerating room and a freezing room, and an automatically adjustable mechanical air door is arranged at the air supply port or the air return port of the refrigerating room.
  • the freezer is provided with a thermostat in the refrigeration system, which controls the opening or closing of the compressor through the thermostat. When the thermostat detects that the freezer needs refrigeration, it will control the compressor and fan to start, and when the thermostat detects that the freezer does not need refrigeration, it will control the compressor and fan to turn off.
  • the automatically adjustable mechanical damper opens; if the compressor and fan are turned off at this time, the automatically adjustable mechanical damper continues to open until the freezing chamber needs cooling.
  • the freezer starts to cool, the compressor and fan are turned on, and the cold air enters the freezer through the damper.
  • the automatically adjustable mechanical damper closes automatically, and then the temperature in the freezer starts to rise.
  • the reverse use means that when the temperature is higher than a certain temperature, the automatically adjustable mechanical damper is closed, and when the temperature is lower than a certain temperature, the automatically adjustable mechanical damper is opened.
  • the memory metal senses that the temperature is higher than the threshold according to its own thermal characteristics, and the automatically adjustable mechanical air door is automatically closed to prevent hot air
  • the memory metal senses that the temperature is lower than the threshold value, and the automatically adjustable mechanical damper will automatically open, and the refrigerator will enter the normal cooling process.
  • the whole process can reduce defrosting and defrosting recovery. Long-term energy loss, reduce the temperature rise of food, and improve the quality of food preservation.

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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

一种可自动调节的机械风门以及冰箱，机械风门包括风门外壳（1）、风门滑片（2）以及动力件，风门外壳（1）具有贯穿的通风孔（7），风门滑片（2）可将通风孔（7）完全封闭，动力件的一端与风门滑片（2）固定连接，另一端与风门外壳（1）固定连接，动力件采用记忆金属，动力件根据温度实现风门的自动开启和关闭。

Description

一种可自动调节的机械风门以及冰箱 技术领域
本发明涉及制冷技术领域，尤其涉及一种可自动调节的机械风门以及冰箱。
 背景技术
目前市场上的冷柜、冰箱类产品大部分使用电子风门控制某一个间室的温度，电子风门通过步进电机控制转动实现开启和关闭。但由于整个控制系统的电子器件较多，一旦其中任何器件的损坏都将导致电子风门无法正常及时的进行开启和关闭。另外少部分产品使用机械风门控制送风量，但机械风门无法自动开启和关闭。
 技术解决方案
针对上述问题，本发明提供了一种可自动调节的机械风门以及冰箱。
为了解决上述技术问题，本发明采用以下技术方案：
一种可自动调节的机械风门，包括风门外壳、风门滑片以及动力件，所述风门外壳具有贯穿的通风孔，所述风门滑片可将所述通风孔完全封闭。所述动力件的一端与所述风门滑片固定连接，另一端与所述风门外壳固定连接，所述动力件采用记忆金属。
进一步地，所述动力件为弹簧，所述第一风门外壳于所述通风孔上侧设有可与所述第一风门滑片相适配的滑槽，所述第一风门滑片可沿所述滑槽上下移动。所述第一风门滑片与所述通风孔均呈方形。
进一步地，所述滑槽顶部设有可与所述弹簧相适配的第一固定槽，所述第一风门滑片的顶部设有可与所述弹簧相适配的第二固定槽。
进一步地，所述弹簧的上端固定连接于所述第一固定槽的顶部，所述弹簧的下端固定连接于所述第二固定槽的底部。
进一步地，沿所述滑槽向下的所述通风孔侧壁上具有可与所述第一风门滑片相适配的凹槽。
进一步地，所述第二风门外壳的上侧具有两端均朝下弯折的固定座，所述固定座弯折的两端之间固定连接有沿通风孔同轴向排布的固定轴，所述固定轴的前部套设有可动轴套；所述动力件为旋簧。
进一步地，所述第二风门滑片近似呈倒T型，其上端设有通孔并可与所述轴套相适配固定连接，所述第二风门滑片下端可与所述通风孔相适配；所述通风孔呈方形。
进一步地，所述旋簧的内侧端与所述轴套固定连接，所述旋簧的外侧端与所述第二风门外壳固定连接。
进一步地，所述固定轴、轴套以及所述旋簧均同轴排布。
一种冰箱，包括箱体、制冷系统以及设置在箱体内如上述任意一项所述的可自动调节的机械风门。所述箱体包括冷藏室以及冷冻室，所述可自动调节的机械风门设置于冷藏室的送风口或回风口处，所述冷冻室设置有制冷系统中的温控器来控制压缩机的开启或关闭。
 有益效果
本发明的有益效果是：本发明利用记忆金属的热敏特性，可根据温度自动开启或关闭风门，结构精巧，应用范围比较广。本发明通过利用简单的机械联动来进行功能的实现，可减少复杂电子系统的使用，结构稳定，不易发生损坏。
 附图说明
图1所示为本发明的一种实施方式，示出的是通风孔开启状态的结构示意图。
图2所示为图1的剖面结构示意图。
图3所示为图1中通风孔关闭状态的结构示意图。
图4所示为图3的剖面结构示意图。
图5所示为本发明的另一种实施方式，示出的是通风孔开启状态的结构示意图。
图6所示为图5中通风孔关闭状态的结构示意图。
 本发明的实施方式
本发明公开了一种可自动调节的机械风门，包括风门外壳1、风门滑片2以及动力件，动力件采用记忆金属，以下结合附图对本发明的一种实施方式作具体描述。
结合图1和图2所示，风门外壳1呈方形，其下部具有贯穿的呈方形的通风孔7。风门外壳1在通风孔7的上侧设有可与风门滑片2相适配的滑槽104，风门滑片2可沿滑槽104进行上下移动。动力件为弹簧3，滑槽104顶部设有可与弹簧3相适配的第一固定槽102，风门滑片2的顶部设有可与弹簧3相适配的第二固定槽103。弹簧3的上端与第一固定槽102的顶部固定连接，弹簧3的下端与第二固定槽103的底部固定连接。沿滑槽104向下的通风孔7的侧壁上具有可与风门滑片2相适配的凹槽101。
本发明的使用方式为：弹簧3为记忆金属具有热敏特性，当温度高于某一阀值时，弹簧3自动缩短，带动其下端固定连接的风门滑片2沿滑槽104向上移动，打开通风孔7。结合图3和图4所示，当温度低于某一阀值时，弹簧3自动伸长，推动其下端固定连接的风门滑片2沿滑槽104向下移动，风门滑片2下端移动处滑槽104时，可沿通风孔7侧壁的凹槽101进行移动，移动至通风孔7下侧壁的凹槽101。风门滑片2与凹槽101相互配合，可将通风孔7完全封闭，避免漏风。
以下结合附图对本发明的另一种实施方式作具体描述，本实施方式中的风门外壳1以及风门滑片2的形状结构与上述实施方式均不同。
结合图5和图6所示，本实施方式中的风门外壳1呈方形，其上侧具有两端朝下弯折的固定座105，固定座105朝下弯折的两端固定连接有沿通风孔7同轴向排布的固定轴106。固定轴106前部套设有轴套107，轴套107可绕着固定轴106进行同轴旋转。风门滑片2近似呈倒T型，其上端设有通孔。风门滑片2通过通孔固定套接在轴套107的前部。风门滑片2的下端可与呈方形的通风孔7相适配，可将通风孔7完全关闭。动力件为旋簧4，旋簧4的内侧端与轴套107后部固定连接，旋簧4的外侧端与风门外壳1的固定座105顶部固定连接。风门滑片2、轴套107以及固定轴106均沿同轴排布。
本发明的使用方式为：旋簧4为记忆金属具有热敏特性，当温度高于某一阀值时，旋簧4自动伸缩变长，使得轴套107绕着固定轴106逆时针旋转，带动风门滑片2的下端向右摆动将通风孔7打开。当温度低于某一阀值时，弹簧3自动收缩变短，使得轴套107绕着固定轴106顺时针旋转，带动风门滑片2的下端向左摆动将通风孔7关闭。风门滑片2的下端可完全将通风孔7关闭，避免其漏冷风。
一种冰箱，包括箱体、制冷系统以及设置在箱体内如上述任意一项所述的可自动调节的机械风门。箱体内包括冷藏室以及冷冻室，可自动调节的机械风门设置于冷藏室的送风口或回风口处。冷冻室设置有制冷系统中的温控器，其通过温控器来控制压缩机的开启或关闭。当温控器监测到冷冻室需要制冷时将控制压缩机和风机启动，当温控器检测到冷冻室不需要制冷时将控制压缩机和风机关闭。当冷藏室内的温度上升到一定温度需要制冷时，可自动调节的机械风门打开；若此时压缩机和风机处于关闭状态，则可自动调节的机械风门持续打开，直至冷冻室内需要制冷。当冷冻室内开始制冷时，压缩机和风机开启，冷风通过风门进入冷藏室内，当冷藏室内的温度降低到一定温度值时，可自动调节的机械风门自动关闭，随之冷藏室内的温度开始上升。
除此之外，通过对可自动调节的机械风门进行简单的逆向使用，可应用于自动化霜的冰箱或冷柜中。逆向使用即为当高于一定温度时可自动调节的机械风门关闭，当低于一定温度时可自动调节的机械风门打开。将可自动调节的机械风门设置在蒸发器腔室的前后位置，当化霜时，记忆金属根据自身热敏特征感受到温度高于阀值时，可自动调节的机械风门自动关闭，可防止热气窜入食品室内；当停止化霜或制冷时，记忆金属感受到温度低于阀值时，可自动调节的机械风门自动打开，冰箱进入正常的制冷过程，整个过程可降低化霜及化霜恢复期的能量损失，减小食品的温度回升，提升食品的保鲜质量。
需要注意的是，在本发明中，除非另有明确的规定和限定，术语“连接”、“固定”、“中间”等应做广义理解；术语如“上”、“下”、“左”、“右”、“顶”、“底”等指示的方位或位置关系为基于附图所示的方位或位置关系，只是为了便于叙述本发明各部件结构关系而确定的关系词，并非特指本发明中任一部件，不能理解为对本发明的限制。
当然，上述说明并非是对本发明的限制，本发明也并不仅限于上述举例，本技术领域的技术人员在本发明的实质范围内所做出的变化、改型、添加或替换，也应属于本发明的保护范围。
 

Claims (10)

  1. 一种可自动调节的机械风门，其特征在于：
    包括风门外壳（1）、风门滑片（2）以及动力件，所述风门外壳（1）具有贯穿的通风孔（7），所述风门滑片（2）可将所述通风孔（7）完全封闭；
    所述动力件的一端与所述风门滑片（2）固定连接，另一端与所述风门外壳（1）固定连接，所述动力件采用记忆金属。
  2. 根据权利要求1所述的一种可自动调节的机械风门，其特征在于：所述动力件为弹簧（3），所述风门外壳（1）于所述通风孔（7）上侧设有可与所述风门滑片（2）相适配的滑槽（104），所述风门滑片（2）可沿所述滑槽（104）上下移动；
    所述风门滑片（2）与所述通风孔（7）均呈方形。
  3. 根据权利要求2所述的一种可自动调节的机械风门，其特征在于：所述滑槽（104）顶部设有可与所述弹簧（3）相适配的第一固定槽（102），所述风门滑片（2）的顶部设有可与所述弹簧（3）相适配的第二固定槽（103）。
  4. 根据权利要求3所述的一种可自动调节的机械风门，其特征在于：所述弹簧（3）的上端固定连接于所述第一固定槽（102）的顶部，所述弹簧（3）的下端固定连接于所述第二固定槽（103）的底部。
  5. 根据权利要求2所述的一种可自动调节的机械风门，其特征在于：沿所述滑槽（104）向下的所述通风孔（7）侧壁上具有可与所述风门滑片（2）相适配的凹槽（101）。
  6. 根据权利要求1所述的一种可自动调节的机械风门，其特征在于：所述风门外壳（1）的上侧具有两端均朝下弯折的固定座（105），所述固定座（105）弯折的两端之间固定连接有沿通风孔（7）同轴向排布的固定轴（106），所述固定轴（106）的前部套设有可动轴套（107）；所述动力件为旋簧（4）。
  7. 根据权利要求6所述的一种可自动调节的机械风门，其特征在于：所述风门滑片（2）近似呈倒T型，其上端设有通孔并可与所述轴套（107）相适配固定连接，所述风门滑片（2）下端可与所述通风孔（7）相适配；所述通风孔（7）呈方形。
  8. 根据权利要求7所述的一种可自动调节的机械风门，其特征在于：所述旋簧（4）的内侧端与所述轴套（107）固定连接，所述旋簧（4）的外侧端与所述风门外壳（1）固定连接。
  9. 根据权利要求8所述的一种可自动调节的机械风门，其特征在于：所述固定轴（106）、轴套（107）以及所述旋簧（4）均同轴排布。
  10. 一种冰箱，包括箱体、制冷系统以及设置在箱体内如上述权利要求1至9任意一项所述的可自动调节的机械风门,其特征在于：
    所述箱体包括冷藏室以及冷冻室，所述可自动调节的机械风门设置于冷藏室的送风口或回风口处，所述冷冻室设置有制冷系统中的温控器来控制压缩机的开启或关闭。
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