CN115289741B - Wall-mounted refrigerator capable of automatically switching air paths - Google Patents

Wall-mounted refrigerator capable of automatically switching air paths Download PDF

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Publication number
CN115289741B
CN115289741B CN202210773839.3A CN202210773839A CN115289741B CN 115289741 B CN115289741 B CN 115289741B CN 202210773839 A CN202210773839 A CN 202210773839A CN 115289741 B CN115289741 B CN 115289741B
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CN
China
Prior art keywords
air
refrigerating
main control
control board
air duct
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Active
Application number
CN202210773839.3A
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Chinese (zh)
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CN115289741A (en
Inventor
陆涛
陈宇
程春明
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Changhong Meiling Co Ltd
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Changhong Meiling Co Ltd
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Priority to CN202210773839.3A priority Critical patent/CN115289741B/en
Publication of CN115289741A publication Critical patent/CN115289741A/en
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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B21/00—Machines, plants or systems, using electric or magnetic effects
    • F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
    • 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
    • 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
    • F25D29/003—Arrangement or mounting of control or safety devices for movable devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/008—Alarm devices

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The invention provides a wall-mounted refrigerator capable of automatically switching air paths, which comprises: main control board, refrigerating fan, semiconductor refrigeration piece, wind channel mechanism and box, wherein: the main control board is arranged on the box body, and a refrigerating chamber, a heat dissipation chamber and a refrigerating chamber are arranged in the box body. The semiconductor refrigerating plate is characterized in that radiating blocks and cooling blocks are arranged at two ends of the semiconductor refrigerating plate, the radiating blocks are arranged in the radiating chambers, and the cooling blocks and the refrigerating fans are arranged in the refrigerating chambers. The air duct mechanism comprises an air duct and an air door, the air duct comprises an air inlet and an air outlet, and the air inlet is communicated with the refrigerating chamber. The air door is arranged in the air duct, the refrigerating chamber is communicated with the air outlets, and the number of the air outlets is more than or equal to two. The main control board is electrically connected with the refrigerating fan, the semiconductor refrigerating sheet and the air door. The air door is controlled by the main control board to be opened or closed. When the air door is closed, the circulation of the refrigerating air in the air channel where the air door is positioned can be blocked, so that the temperature of each area in the refrigerating chamber is adjusted, and the temperature of each area in the refrigerating chamber is kept consistent.

Description

Wall-mounted refrigerator capable of automatically switching air paths
Technical Field
The application relates to the technical field of refrigeration, in particular to a wall-mounted refrigerator capable of automatically switching air paths.
Background
With the development of the age, refrigerators have become necessary home appliances in every home, and the variety of refrigerators is also becoming more and more abundant, including semiconductor refrigerators. The semiconductor refrigerator is also called an electronic refrigerator, and is cooled by energizing a semiconductor cooling fin. Since the volume of the semiconductor refrigerating sheet is much smaller than that of the compressor, the semiconductor refrigerator is often applied to the field of small-sized refrigerators. Types of small-sized refrigerators include in-vehicle refrigerators, wall-mounted refrigerators, and the like.
The wall-mounted refrigerator can be fixed on vertical planes such as walls, and the plane space is saved. The wall-mounted refrigerator can be fixed in bedrooms, study rooms and other spaces, so that convenience in life is improved. And is thus favored by most users.
However, due to the small size of the wall-mounted refrigerator, too many cooling sheets cannot be provided, resulting in uneven cooling temperature in the refrigerating chamber of the refrigerator. The articles stored in the relatively high temperature region of the refrigerating compartment may be deteriorated, resulting in a low refrigerating efficiency of the refrigerator.
Disclosure of Invention
The application provides a wall-mounted refrigerator capable of automatically switching air paths, which aims to solve the problem of low refrigeration efficiency of the refrigerator.
The application provides a wall-mounted refrigerator capable of automatically switching air paths, which comprises: main control board, refrigerating fan, semiconductor refrigeration piece, wind channel mechanism and box, wherein:
The main control board is arranged on the box body, and heat dissipation blocks and cooling blocks are arranged at two ends of the semiconductor refrigerating sheet. The refrigerator comprises a refrigerator body and is characterized in that a refrigerating chamber, a radiating chamber and a refrigerating chamber are arranged in the refrigerator body, the radiating block is arranged in the radiating chamber, and the radiating block and the refrigerating fan are arranged in the refrigerating chamber. The air duct mechanism comprises an air duct and an air door, the air duct comprises an air inlet and an air outlet, and the air inlet is communicated with the refrigerating chamber. The number of the air outlets is greater than or equal to two, the air door is arranged in the air duct, and the refrigerating chamber is communicated with the air outlets. The main control board is electrically connected with the refrigerating fan and the semiconductor refrigerating sheet, and is electrically connected with the air door to control the opening and closing of the air door. The main control board is used for controlling the air door, and when the air door is closed, the ventilation of cold air in the air channel where the air door is located can be blocked, so that the trend of a refrigerating air channel in the refrigerator is changed, and the temperature of each region in the refrigerating chamber is adjusted.
Optionally, a plurality of temperature sensors are arranged in the refrigerating chamber, the temperature sensors are respectively arranged at different positions in the refrigerating chamber, and the temperature sensors are electrically connected with the main control board. The semiconductor refrigerating sheets are multiple, the semiconductor refrigerating sheets are connected in parallel, and the semiconductor refrigerating sheets can work independently. The temperature of each region in the refrigerating chamber can be obtained by the temperature detected by the temperature sensor. The main control board can control and adjust the number of the running semiconductor refrigerating sheets according to the acquired temperature condition. The more the number of the semiconductor refrigerating sheets is in operation, the larger the refrigerating air quantity is. The temperature in the refrigerating chamber can be adjusted by adjusting the semiconductor refrigerating sheet to be matched with the air duct mechanism.
Optionally, a pressure sensor is arranged on the air door and is electrically connected with the main control board, a baffle is arranged in the air duct and is used for contacting with the pressure sensor when the air door is closed, and the pressure sensor is used for detecting the pressure between the air door and the baffle. The main control board can judge whether the air door is tightly contacted with the baffle plate or not through the value of the pressure, so that gaps are reserved between the air door and the baffle plate when the air door is closed, and the refrigerating air quantity is prevented from leaking from the gaps.
Optionally, a distance sensor is arranged on the baffle, the distance sensor is electrically connected with the main control board, and the distance sensor is used for detecting the distance between the baffle and the air door. The main control board can adjust the opening and closing angle of the air door according to the distance detected by the distance sensor, and control the refrigerating air volume flowing through the air channel where the air door is located.
Optionally, an alarm module is further disposed in the main control board, and the alarm module is configured to generate an alarm signal when the pressure is lower than a preset pressure threshold. Therefore, when the air door is not tightly contacted with the baffle, the alarm signal generated by the alarm module reminds a user.
Optionally, the inner wall of box is equipped with recess and guide post, the guide post set up in the edge of recess, the recess with the wind channel is used for right the wind channel location has improved the fixed efficiency in wind channel.
Optionally, the inside first magnetic assembly that is equipped with of box, the wind channel outer wall is equipped with the second magnetic assembly, the wind channel is through first magnetic assembly and second magnetic assembly's magnetism is inhaled the effect and is fixed in the box. The air duct is fixed in a magnetic attraction mode, so that the air duct is more convenient to adjust and replace.
Optionally, the air duct comprises a plurality of air duct branches, and each air duct branch is provided with one air outlet; the air door is arranged in the air duct branch, so that the air circulation of the air outlet is blocked when the air door is closed. Through a plurality of the air duct branches, directional air supply can be performed on the refrigerating chamber area with a far size. And the air supply condition of each air channel branch can be controlled by switching the air door in the air channel branch.
Optionally, a filter screen is further arranged in the air duct, a sterilization component is arranged on the filter screen, the filter screen is arranged in the air duct, and can sterilize and disinfect the refrigerating air flowing through the air duct, so that the possibility of peculiar smell in the refrigerator is reduced.
Optionally, the refrigerator further comprises a fixing component, and the fixing component is arranged on the outer wall of the refrigerator body. Through the fixing component, the refrigerator can be fixed on any vertical plane, and horizontal space is saved.
According to the technical scheme, the application provides a wall-mounted refrigerator capable of automatically switching air paths, which comprises the following components: the main control board is arranged on the box body, and radiating blocks and cooling blocks are arranged at two ends of the semiconductor refrigerating sheet. The refrigerator body is internally provided with a refrigerating chamber, a heat dissipation chamber and a refrigerating chamber. The cooling block and the refrigerating fan are arranged in the refrigerating chamber to refrigerate. The air duct mechanism comprises an air duct and an air door, the air duct comprises an air inlet and an air outlet, and the air inlet is communicated with the refrigerating chamber. The air door is arranged in the air duct, and the refrigerating chamber is communicated with the air outlet. The main control board is electrically connected with the refrigerating fan and the semiconductor refrigerating sheet, and is electrically connected with the air door to control the opening and closing of the air door. The main control board is used for controlling the air door, and when the air door is closed, the circulation of the refrigerating air in the air channel where the air door is located can be blocked, so that the trend of an air channel in the refrigerator is changed, and the temperature of each region in the refrigerating chamber is adjusted.
Drawings
In order to more clearly illustrate the technical solution of the present application, the drawings that are needed in the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic diagram of a cabinet interior structure of a wall-mounted refrigerator for automatically switching air paths;
FIG. 2 is a schematic view of the internal structure of a case with multiple semiconductor refrigeration sheets according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a wind path mechanism according to an embodiment of the present application;
FIG. 4 is a partial cross-sectional view of a channel mechanism according to an embodiment of the present application;
FIG. 5 is a schematic view of a part of the structure of the inner wall of the case according to the embodiment of the application;
FIG. 6 is a schematic view of the connection part between the air duct and the case according to the embodiment of the application;
fig. 7 is a connection relationship diagram of a main control board in an embodiment of the present application.
Illustration of:
The intelligent air conditioner comprises a main control board 100-a main control board 101-an alarm module 200-a refrigerating fan 300-a fixed component 400-a semiconductor refrigerating sheet 401-a radiating block 402-a radiating block 500-an air duct mechanism 501-an air duct 511-a baffle 512-a second magnetic component 513-a filter screen 502-an air door 521-a pressure sensor 522-a distance sensor 503-an air inlet 504-an air outlet 600-a box 601-a refrigerating chamber 602-a radiating chamber 603-a refrigerating chamber 631-a temperature sensor 604-a groove 605-a guide column 606-a first magnetic component.
Detailed Description
Reference will now be made in detail to the embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The embodiments described in the examples below do not represent all embodiments consistent with the application. Merely exemplary of systems and methods consistent with aspects of the application as set forth in the claims.
The semiconductor refrigerator is an electronic refrigerator which is refrigerated by a semiconductor refrigerating sheet, and the volume of the semiconductor refrigerating sheet is far smaller than that of a compressor, so that the semiconductor refrigerator is often applied to the field of small-size refrigerators. The small-sized refrigerator has a small volume, so that an excessive number of semiconductor cooling fins cannot be provided in the refrigerator, resulting in that the temperatures of the respective areas of the refrigerating chamber in the semiconductor refrigerator cannot be maintained uniformly.
In order to equalize the temperatures of the respective areas of the refrigerating chamber, some refrigerators also employ an air duct to guide the cooling capacity produced by the semiconductor cooling sheet to an area having a higher temperature. But directing the cold through the air duct to a region may cause the region to be too cold after a period of time. The temperature in the refrigerating chamber is not maintained uniformly, thereby reducing the refrigerating efficiency of the refrigerator.
In order to solve the above problems, referring to fig. 1, the present application provides a wall-mounted refrigerator automatically switching a wind path, comprising: main control board 100, refrigerating fan 200, semiconductor refrigerating sheet 400, wind channel mechanism 500 and box 600, wherein:
The main control board 100 is disposed on the box 600, and the cooling fan 200, the semiconductor cooling sheet 400 and the air duct mechanism 500 are disposed in the box 600.
The semiconductor refrigeration sheet 400, also called a thermoelectric refrigeration sheet, is a heat pump. The Peltier effect of the semiconductor material can be utilized, when direct current passes through a couple formed by connecting two different semiconductor materials in series, heat can be absorbed and released at two ends of the couple respectively, and the purpose of refrigeration is realized. The semiconductor refrigeration sheet 400 has the advantage of no sliding parts and is often used in applications where space is limited, reliability requirements are high, and contamination by refrigerant is not possible. A heat sink 401 and a cooling block 402 are provided at both ends of the semiconductor cooling fin 400, the heat sink 401 is provided at one end of the semiconductor cooling fin 400 emitting heat, and the cooling block 402 is provided at one end of the semiconductor cooling fin 400 absorbing heat.
The heat dissipation block 401 and the cooling block 402 are usually aluminum blocks, so that the heat conduction efficiency of aluminum is high, and the heat dissipation and cooling of the two ends of the semiconductor refrigeration sheet 400 can be accelerated. A refrigerating chamber 601, a heat dissipation chamber 602, and a refrigerating chamber 603 are provided in the case 600. Wherein, the heat dissipation block 401 is disposed in the heat dissipation chamber 602, and the heat dissipation block 402 and the cooling fan 200 are disposed in the cooling chamber 601 together. The heat dissipation chamber 602 is usually communicated with air outside the refrigerator, and a heat dissipation fan is further arranged in the heat dissipation chamber 602. Negative pressure is formed by the heat dissipation fan, and air outside the refrigerator is sucked into the heat dissipation chamber 602 and flows into the heat dissipation chamber 602. In this process, the heat on the heat dissipating block 401 also flows out of the refrigerator along with the air flow, thereby accelerating the heat dissipation of the heat dissipating block 401. After the heat is absorbed by the cooling block 402, the temperature of the air around the cooling block 402 is reduced, and the cooling fan 200 blows the cooling air around the cooling block 402 to form a cooling air path. The refrigerating fan 200 and the semiconductor refrigerating sheet 400 are electrically connected with the main control board 100. Referring to fig. 7, the main control board 100 includes both a control circuit and a receiving circuit inside, and the main control board 100 may receive a set command through the receiving circuit and control various elements in the case 600 through the control circuit. Therefore, the working states of the refrigerating fan 200 and the semiconductor refrigerating sheet 400 can be changed through the main control board 100. For example: after setting the adjustment command, the main control board 100 can adjust the rotation speed of the cooling fan 200 or can turn on or off the cooling fan 200 and the semiconductor cooling sheet 400. After the cooling fan 200 blows the cool air around the cooling block 402 to form a cooling air path, the cooling air path needs to be led to the refrigerating chamber 603 to form a circulation air path for cooling. In the embodiment of the present application, the air duct mechanism 500 is used to guide the travel of the cooling air path. The air duct mechanism 500 is provided on the inner wall of the case 600.
In some embodiments, referring to fig. 5, the inner wall of the case 600 is provided with a groove 604 and a guide post 605. The guide posts 605 are disposed at the edges of the recess 604. When installing the air duct mechanism 500, by placing the air duct mechanism 500 in the groove 604, the groove 604 serves as a location for easier installation of the air duct mechanism 500. And the guide posts 605 at the edges of the grooves 604 can temporarily fix the air duct mechanism 500 at the positions of the grooves 604, thereby assisting in the installation of the air duct mechanism 500 and facilitating the installation and the disassembly of the air duct mechanism 500.
The air duct mechanism 500 includes an air duct 501 and a damper 502. The air duct 501 includes an air inlet 503 and an air outlet 504. Wherein, the air inlet 503 is communicated with the refrigerating chamber 601, the air outlet 504 is communicated with the refrigerating chamber 603, and the number of the air outlets 504 is greater than or equal to two. The damper 502 is disposed in the air duct 501, and the damper 502 is electrically connected to the main control board 100, so that the main control board 100 can control the opening and closing of the damper 502. Illustratively, all arrows in FIG. 1 indicate the travel of the refrigeration path when damper 502 is in the open state. When the damper 502 in fig. 1 is opened, cold air is generated around the heat sink 401 after the semiconductor refrigeration fin 400 starts to operate. The cooling fan 200 sucks air in the refrigerating chamber 603 into the refrigerating chamber 601 through the air inlet 503, and forms a cooling air path in the direction indicated by an arrow in the air duct 501. After passing through the cooling block 402, the cooling air path drives the cooling air around the cooling block 401 to circulate together, and flows into the refrigerating chamber 603 from the air outlet 504, so that the cooling air continuously circulates in the refrigerating chamber 601 and the refrigerating chamber 603 in the direction indicated by the arrow, and the purpose of refrigeration is achieved.
When the damper 502 is closed, the cooling air path travel of the damper 502 is blocked at the damper 502. Illustratively, when damper 502 in position A of FIG. 1 is closed, the dashed arrow path of FIG. 1 is blocked, i.e., no path travel exists in the dashed arrow portion. When the cooling air passage of the dotted arrow is blocked, the cold air does not continue to circulate in the path of the cooling air passage of the dotted arrow, and the temperature of the region of the refrigerator 603 corresponding to the path increases.
In some embodiments, a plurality of temperature sensors 631 are also disposed within the refrigerated compartment 603. The temperature sensor 631 refers to a sensor that senses temperature and converts it into a usable output signal. The temperature sensors 631 are provided at different positions within the refrigerating chamber 603, respectively, so that the temperatures in the respective regions in the refrigerating chamber 603 can be detected. The temperature sensor 631 is electrically connected to the main control board 100, and can transmit a detected temperature signal to the main control board 100. The main control board 100 can selectively open or close the air door 502 corresponding to each region according to the temperature of each region, and adjust the temperature of each region. Referring to fig. 2, all arrows in fig. 2 indicate the travel direction of the cooling air path when damper 502 is in the open state. The number of the semiconductor refrigeration sheets 400 is also plural, and a plurality of the semiconductor refrigeration sheets 400 are connected in parallel, and each semiconductor refrigeration sheet 400 can independently work. When the refrigerating capacity of one semiconductor refrigerating sheet 400 does not meet the requirement of the refrigerating chamber 603, one refrigerating chamber 603 may be provided with a plurality of semiconductor refrigerating sheets 400 to perform the refrigerating. When the main control board 100 controls the opening and closing of the air door 502, the temperature of each area in the refrigerating chamber 603 can be adjusted by opening or closing the corresponding semiconductor refrigerating sheet 400.
For example: when the damper 502 of the B position in fig. 2 is in a closed state, the remaining dampers 502 are in an open state, and only the semiconductor refrigeration sheet 400 of the top position is opened, the temperature sensor 631 detects that the temperature of the arrow stroke area of the lowermost layer of the refrigerating chamber 603 in fig. 2 is high. To reduce the temperature of the bottom-most arrow travel region of the refrigerating compartment 603, the main control board 100 controls the opening of the damper 502 at the position B in fig. 2. After the damper 502 at the B position is opened for a preset period of time, the temperature sensor 631 detects that the temperature of the arrow travel area at the bottommost layer is not reduced to the expected temperature, the main control board 100 opens the semiconductor refrigeration piece 400 at the B position, and the semiconductor refrigeration piece 400 at the B position starts to perform refrigeration, so that the refrigeration air volume is increased, and the speed of reducing the temperature of the arrow travel area at the bottommost layer can be increased. The preset time period can be freely set according to practical situations, for example: set to 5 minutes, 10 minutes, etc.
During the opening and closing of the damper 502, there may be a problem in that the damper 502 is not sufficiently closed. That is, the main control board 100 has controlled to close the air door 502, but due to factors such as jamming of the transmission mechanism in the air door 502, the air door 502 is not fully closed, and a gap exists between the air duct 501 and the main control board. The cold air continues to circulate through the gap, resulting in an undesirable tempering effect.
Therefore, referring to fig. 4, a pressure sensor 521 is further provided on the damper 502, and the pressure sensor 521 is electrically connected to the main control board 100. A baffle 511 is provided in the air duct 501, the baffle 511 being adapted to contact the pressure sensor 521 when the damper 502 is closed. Pressure sensor 521, also referred to as a pressure transmitter, is a sensor that converts pressure into an analog electrical signal. For example, a strain gauge type pressure sensor is configured by physically deforming a strain gauge to convert pressure into an electric signal, attaching the strain gauge to a diaphragm of the pressure sensor, and connecting the strain gauge to form a wheatstone bridge structure. When the diaphragm is subjected to externally applied pressure, the diaphragm deflects to generate corresponding deformation, and the resistance value of the strain gauge also changes in relation to the pressure. The pressure sensor 521 in the embodiment of the present application is used to detect the amount of pressure between the damper 502 and the baffle 511. After the main control board 100 controls the damper 502 to be closed, whether the pressure between the damper 502 and the baffle 511 reaches a preset pressure threshold is detected by the pressure sensor 521. For example: in practice, it is measured that the damper 502 should have a pressure value of 0.5N when it is in sufficient contact with the baffle 511. After the main control board 100 closes the damper 502, if the pressure sensor 521 detects that the pressure between the damper 502 and the baffle 511 is 0.1N, it is proved that the damper 502 and the baffle 511 are not in tight contact, so that it can be determined whether the damper 502 is sufficiently closed.
When it is determined that the damper 502 is not sufficiently closed, the main control board 100 may issue a closing command again to control re-closing of the damper 502. And after re-closing damper 502, pressure between damper 502 and baffle 511 continues to be detected by pressure sensor 521 to detect whether damper 502 is sufficiently closed. After multiple attempts to re-close damper 502, if it is detected that the pressure between damper 502 and baffle 511 is still less than the preset pressure threshold, the user may be prompted to service by reporting an error message. I.e. in some embodiments, an alarm module 101 is also provided in the main control board 100. The alarm module 101 is configured to generate an alarm signal when the pressure is lower than a preset pressure threshold. The alarm module 101 may be connected with a speaker, a warning light, a buzzer, etc. By means of acoustic signals, optical signals and the like, a user is reminded that the air door 502 is not fully closed, and therefore faults of the air door 502 can be timely checked. For example: after receiving the alarm signal, the user can re-open and re-close the damper 502 through the main control board 100. If no alarm signal is sent, which proves that damper 502 is fully closed, it may be due to other small effects such as voltage instability that cause damper 502 to be insufficiently closed without requiring maintenance. If damper 502 is still not sufficiently closed, the refrigerator needs to be serviced.
In some embodiments, a distance sensor 522 is also provided on the baffle 511. The distance sensor 522 is electrically connected to the main control board 100. The distance sensor 522 is used to detect the distance between the baffle 511 and the damper 502, and an optical distance sensor, an infrared distance sensor, an ultrasonic distance sensor, or the like may be employed. The main control board 100 may control the opening and closing angles of the damper 502 according to the distance between the baffle 511 and the damper 502, thereby adjusting the temperature of each region in the refrigerating chamber 603. The greater the angle at which damper 502 opens, the more cooling air volume is passed through duct 501 at the location of damper 502 and the lower the temperature of the corresponding zone.
In some embodiments, since the refrigerator in the embodiments of the present application is a size refrigerator, it may be fixed on a vertical plane so as to reduce the occupancy rate of a horizontal storage space. Accordingly, referring to fig. 5, the refrigerator further includes a fixing assembly 300, and the fixing assembly 300 is disposed at an outer wall of the case 600. The fixing assembly 300 may employ expansion screws, a glue plate, etc., so that the refrigerator may be fixed to a wall, reducing the occupancy rate of a planar storage space.
In some embodiments of the present application, referring to fig. 6, a first magnetic component 606 is disposed inside the box 600, and a second magnetic component 512 is disposed on an outer wall of the air duct 501. The first magnetic element 606 and the second magnetic element 512 are two elements that are magnetically attracted to each other. For example: the first magnetic component 606 adopts a magnet, and the second magnetic component 512 adopts an iron sheet; or the first magnetic component 606 is made of iron sheet, and the second magnetic component 512 is made of magnet; alternatively, the first magnetic component 606 uses a magnet, and the second magnetic component 512 uses a magnet, but the magnetic poles corresponding to the contact portions of the first magnetic component 606 and the second magnetic component 512 are different. The air duct 501 is fixed in the box 600 by the magnetic attraction of the first magnetic component 606 and the second magnetic component 512. When the air duct 501 needs to be disassembled, the air duct 501 can be directly taken out from the box 600, so that the convenience is improved.
In some embodiments of the present application, referring to fig. 3, the air duct 501 includes a plurality of air duct branches, and each air duct branch is provided with an air outlet 504. The damper 502 is disposed in the duct branch to block air flow from the outlet 504 when the damper 502 is closed. By providing multiple air duct branches, different air duct branches in one air duct mechanism 500 can be arranged in different refrigerating chambers 603 to refrigerate multiple refrigerating chambers 603. The temperature of each region of each refrigeration compartment 603 is adjusted by controlling the opening and closing of damper 502 in the different duct branches. The temperature adjustment process of the control damper 502 is the same as the above principle, and will not be described here.
In some embodiments, a filter screen 513 is further disposed in the air duct 501, a sterilization assembly 514 is disposed on the filter screen 513, and the filter screen 513 is disposed in the air duct 501. The sterilization assembly 514 is used for sterilizing the cool air passing through the air duct 501, thereby avoiding the possibility of peculiar smell in the refrigerating chamber 603 as much as possible, and optimizing the air environment in the refrigerating chamber 603. The medium in the sterilization assembly 514 may be ultraviolet, photocatalyst, ozone, etc., and the above media may be combined or separately provided in the sterilization assembly 514.
According to the technical scheme, the application provides a wall-mounted refrigerator capable of automatically switching air paths, which comprises the following components: a main control board 100, a refrigerating fan 200, a semiconductor refrigerating sheet 400, an air duct mechanism 500 and a box 600. The main control board 100 is arranged on the box 600, and the two ends of the semiconductor refrigeration sheet 400 are provided with a heat dissipation block 401 and a heat dissipation block 402. The refrigerator 600 is provided with a refrigerating chamber 601, a heat dissipation chamber 602 and a refrigerating chamber 603. Wherein, the heat dissipation block 401 is disposed in the heat dissipation chamber 602, and the heat dissipation block 402 and the cooling fan 200 are disposed in the cooling chamber 601. The air duct mechanism 500 includes an air duct 501 and a damper 502, the damper 502 being disposed in the air duct 501. The air duct 501 includes an air inlet 503 and an air outlet 504, and the air inlet 503 is communicated with the refrigerating chamber 601. The refrigerating chamber 603 is communicated with the air outlets 504, and the number of the air outlets 504 is greater than or equal to two. The main control board 100 is electrically connected with the refrigerating fan 200 and the semiconductor refrigerating sheet 400, and the main control board 100 is electrically connected with the air door 502 to control the opening and closing of the air door 502. By controlling the damper 502 through the main control board 100, when the damper is closed, the ventilation of the air in the air duct 501 where the damper is located can be blocked, so that the trend of the air path in the refrigerator is changed, and the temperature of each region in the refrigerating chamber 603 is adjusted.
According to the wall-mounted refrigerator capable of automatically switching the air paths, the ventilation of the refrigerating air in each air channel 501 can be controlled through the air door 502, and the travel of the refrigerating air path is changed, so that the temperature of each area in the refrigerating chamber 603 is regulated, and alarm reminding can be carried out when the air door 502 is not tightly closed, and the wall-mounted refrigerator has the advantages of being simple and convenient to operate, high in safety and high in refrigerating efficiency.
The above-provided detailed description is merely a few examples under the general inventive concept and does not limit the scope of the present application. Any other embodiments which are extended according to the solution of the application without inventive effort fall within the scope of protection of the application for a person skilled in the art.

Claims (9)

1. A wall-mounted refrigerator capable of automatically switching air paths, comprising: main control board (100), refrigerating fan (200), semiconductor refrigeration piece (400), wind channel mechanism (500) and box (600), wherein:
The main control board (100) is arranged on the box body (600), and radiating blocks (401) and cooling blocks (402) are arranged at two ends of the semiconductor refrigerating sheet (400);
A refrigerating chamber (601), a heat dissipation chamber (602) and a refrigerating chamber (603) are arranged in the box body (600), the heat dissipation block (401) is arranged in the heat dissipation chamber (602), and the heat dissipation block (402) and the refrigerating fan (200) are arranged in the refrigerating chamber (601);
a plurality of temperature sensors (631) are arranged in the refrigerating chamber (603), the temperature sensors (631) are respectively arranged at different positions in the refrigerating chamber (603), and the temperature sensors (631) are electrically connected with the main control board (100);
The air duct mechanism (500) comprises an air duct (501) and an air door (502); the air duct (501) comprises an air inlet (503) and an air outlet (504), and the air inlet (503) is communicated with the refrigerating chamber (601); the number of the air outlets (504) is greater than or equal to two, the air doors (502) are arranged in the air duct (501), and the refrigerating chamber (603) is communicated with the air outlets (504); the air duct (501) comprises a plurality of air duct branches, and each air duct branch is provided with an air outlet (504); the air door (502) is arranged in the air channel branch circuit to block the air circulation of the air outlet (504) when the air door (502) is closed;
The main control board (100) is electrically connected with the refrigerating fan (200) and the semiconductor refrigerating sheet (400), the main control board (100) is electrically connected with the air door (502), and the main control board (100) controls the opening and closing of the air door (502) according to a temperature signal detected by the temperature sensor (631).
2. The wall-mounted refrigerator for automatically switching an air path according to claim 1, wherein a plurality of semiconductor cooling fins (400) are provided, and a plurality of the semiconductor cooling fins (400) are connected in parallel.
3. The wall-mounted refrigerator capable of automatically switching air paths according to claim 1, wherein a pressure sensor (521) is arranged on the air door (502), the pressure sensor (521) is electrically connected with the main control board (100), a baffle (511) is arranged in the air duct (501), the baffle (511) is used for being in contact with the pressure sensor (521) when the air door (502) is closed, and the pressure sensor (521) is used for detecting the pressure between the air door (502) and the baffle (511).
4. A wall-mounted refrigerator capable of automatically switching air paths according to claim 3, wherein a distance sensor (522) is arranged on the baffle plate (511), the distance sensor (522) is electrically connected with the main control board (100), and the distance sensor (522) is used for detecting the distance between the baffle plate (511) and the air door (502).
5. The wall-mounted refrigerator capable of automatically switching air paths according to claim 3, wherein an alarm module (101) is further arranged in the main control board (100), and the alarm module (101) is used for generating an alarm signal when the pressure is lower than a preset pressure threshold value.
6. The wall-mounted refrigerator capable of automatically switching air paths according to claim 1, wherein grooves (604) and guide posts (605) are formed in the inner wall of the refrigerator body (600), the guide posts (605) are arranged on the edges of the grooves (604), and the grooves (604) and the guide posts (605) are used for positioning the air duct (501).
7. The wall-mounted refrigerator capable of automatically switching air paths according to claim 1, wherein a first magnetic component (606) is arranged inside the refrigerator body (600), a second magnetic component (512) is arranged on the outer wall of the air duct (501), and the air duct (501) is fixed in the refrigerator body (600) through magnetic attraction between the first magnetic component (606) and the second magnetic component (512).
8. The wall-mounted refrigerator capable of automatically switching air paths according to claim 1, wherein a filter screen (513) is further arranged in the air duct (501), a sterilization assembly (514) is arranged on the filter screen (513), and the filter screen (513) is arranged in the air duct (501).
9. The wall-mounted refrigerator for automatically switching air paths according to claim 1, further comprising a fixing assembly (300), wherein the fixing assembly (300) is disposed on an outer wall of the refrigerator body (600).
CN202210773839.3A 2022-07-01 2022-07-01 Wall-mounted refrigerator capable of automatically switching air paths Active CN115289741B (en)

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CN214792061U (en) * 2020-12-30 2021-11-19 武汉海尔电冰柜有限公司 Horizontal refrigerating cabinet
CN113701435A (en) * 2021-09-18 2021-11-26 珠海格力电器股份有限公司 Refrigerator compartment air inlet structure, refrigerator and refrigerator temperature control method

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* Cited by examiner, † Cited by third party
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CN201093823Y (en) * 2007-09-30 2008-07-30 亓欣 Wall hanging type semiconductor refrigerator
CN104279811A (en) * 2014-10-09 2015-01-14 合肥美的电冰箱有限公司 Electric air door and refrigerator
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CN214792061U (en) * 2020-12-30 2021-11-19 武汉海尔电冰柜有限公司 Horizontal refrigerating cabinet
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