Air volume regulation and control assembly and refrigerator

Through the design of the arc-shaped air duct shell and the concentric adjustment shaft, combined with motor control, simple and precise adjustment of the refrigerator air volume is achieved, solving the problem of complex and error-prone air volume adjustment in existing refrigerators, improving temperature uniformity and reducing manufacturing costs.

CN223460681UActive Publication Date: 2025-10-21AUCMA
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Patent Information

Application Number
CN202422840524.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-10-21
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

The air volume adjustment structure of existing refrigerators is complex and prone to errors, and the multi-door structure takes up storage space and increases manufacturing costs.

Method used

It adopts arc-shaped air duct shell and concentric adjustment shaft. The outlet opening is adjusted by adjusting the shaft to drive the arc-shaped baffle. Combined with frequency conversion or stepper motor control, simple and accurate air volume adjustment can be achieved.

Benefits of technology

The control strategy is simplified, errors in adjusting the air supply mode are avoided, the temperature uniformity of the storage compartment is improved, and the manufacturing cost is reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of refrigeration equipment, and provides an air volume regulation and control assembly which comprises an evaporator chamber. The air supply cavity is provided with an air feeder; an air duct shell with a circular-arc-shaped section is arranged at the opening position of the air supply cavity; a first air outlet and a second air outlet are formed in the air duct shell; the first air outlet and the second air outlet are respectively connected with the first air supply duct and the second air supply duct; an adjusting rotating shaft concentric with the air duct shell is further arranged in the air supply cavity. A first baffle and a second baffle are fixedly connected to the adjusting rotating shaft. Therefore, the opening degree of the first air outlet and the opening degree of the second air outlet are adjusted at the same time by adjusting rotation of the rotating shaft. Switching among multiple air supply operation modes can be achieved by changing the rotating angle or the rotating direction of the adjusting rotating shaft, the adjusting mode is simple and accurate, the control strategy is greatly simplified, and the situation that the air supply mode is adjusted mistakenly is avoided. The utility model further provides a refrigerator.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to refrigeration equipment technical field especially, relate to a kind of air volume regulation and control assembly and refrigerator. BACKGROUND

[0002] The existing refrigerator is usually provided with controllable air door at air outlet, and the opening degree of air door is adjusted according to the temperature in storage compartment to control air volume. With the development of technology, large-capacity refrigerator gradually popular. In order to ensure the cold quantity demand of storage compartment, usually open multiple air outlets. Each air outlet is provided with an air door, which has the function of independent regulation and control of air volume.

[0003] However, from the use of product, it is neither convenient nor necessary for user to independently adjust and control air volume of each air door. Therefore, usually, several operation modes with different air volume are set, and user selects by one key, and the remaining actions are automatically completed by control module. The structure of independent adjustment of multiple air doors of the existing refrigerator makes the control strategy more complex, and error is prone to occur during operation, which increases the maintenance workload. At the same time, multiple air doors are used, which also occupies storage volume and increases manufacturing cost.

[0004] From the above, it is obvious that the prior art has inconvenience and defects in actual use, so it is necessary to improve. CONTENT OF UTILITY MODEL

[0005] In view of the above defects, the utility model mainly provides an air volume regulation and control assembly, which solves the technical problems of complex air volume adjustment structure and easy error.

[0006] In order to solve the above problems, the utility model provides an air volume regulation and control assembly, which comprises:

[0007] An evaporator compartment is provided with an evaporator;

[0008] A supply air chamber is connected with the evaporator compartment and provided with a supply fan;

[0009] The opening position of the supply air chamber is provided with a wind channel shell with circular arc shape in cross section; the wind channel shell is provided with a first air outlet and a second air outlet; the first air outlet and the second air outlet are connected with a first supply air channel and a second supply air channel respectively;

[0010] The supply air chamber is further provided with an adjusting shaft concentric with the wind channel shell; the adjusting shaft is fixedly connected with a first baffle and a second baffle which are both circular arc; and the adjusting shaft is connected with an adjusting motor;

[0011] The width of the opening formed between the first baffle and the second baffle is recorded as a, and the distance between the outermost sides of the first air outlet and the second air outlet is recorded as b; the relationship between a and b is a≤b.

[0012] The arc length of the first baffle plate or the second baffle plate is greater than the distance b of the outermost side of the first air outlet and the second air outlet.

[0013] The adjusting motor is a variable frequency motor or a stepping motor.

[0014] The air supply fan is a centrifugal fan.

[0015] The first baffle plate and the second baffle plate are fixedly connected to the adjusting rotating shaft through the supporting rods.

[0016] The first baffle plate, the second baffle plate, the supporting rods and the adjusting rotating shaft are all made of plastic material.

[0017] A refrigerator comprises a cabinet having a storage compartment; the cabinet is provided with the air volume regulating assembly.

[0018] The storage compartment is provided with a plurality of upper air supply outlets and a plurality of lower air supply outlets; the first air supply channel is connected to the upper air supply outlets, and the second air supply channel is connected to the lower air supply outlets.

[0019] The storage compartment is provided with a plurality of upper air supply outlets and a plurality of lower air supply outlets; the first air supply channel is connected to the upper air supply outlets, and the second air supply channel is connected to the lower air supply outlets.

[0020] The air volume regulating assembly of the utility model, through the adjusting rotating shaft rotation, simultaneously adjusts the opening of the first air outlet and the second air outlet. The switching between the multiple air supply operation modes of the utility model can be realized by changing the rotation angle or the rotation direction of the adjusting rotating shaft, the adjusting mode is simple and accurate, the control strategy is greatly simplified, and the air supply mode adjustment error is avoided. The utility model also provides a refrigerator. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is the structural schematic view of the air volume regulating assembly of the utility model;

[0022] Figure 2 is the structural schematic view of one air supply operation mode of the air volume regulating assembly of the utility model;

[0023] Figure 3 is the structural schematic view of one air supply operation mode of the air volume regulating assembly of the utility model;

[0024] Figure 4 is the structural schematic view of one air supply operation mode of the air volume regulating assembly of the utility model;

[0025] Figure 5is the structure schematic diagram of defrosting operation mode of the air volume regulation and control assembly of the utility model;

[0026] Figure 6 is the structure schematic diagram of the refrigerator of the utility model;

[0027] Figure 7 is the structure schematic diagram of the air supply principle of the refrigerator of the utility model;

[0028] In the drawing: 1-adjusting shaft, 11-first baffle, 12-second baffle, 13-supporting rod;2-evaporator chamber, 21-evaporator, 22-air supply fan, 23-air supply cavity;3-air duct shell, 31-first air supply duct, 311-first air outlet;32-second air supply duct, 321-second air outlet;4-box, 41-storage chamber, 42-upper air supply port, 43-lower air supply port, 44-temperature sensor. DETAILED DESCRIPTION

[0029] Referring to Figure 1 , the utility model provides a kind of air volume regulation and control assembly, comprising:

[0030] Evaporator chamber 2 is provided with evaporator 21;For generating cold quantity;

[0031] Air supply cavity 23 is connected with the evaporator chamber 2, and is provided with air supply fan 22;

[0032] The air supply fan 22 of the utility model is preferably a centrifugal fan.

[0033] Referring to Figure 2 , the opening position of the air supply cavity 23 is provided with air duct shell 3 with circular arc shape;First air outlet 311 and second air outlet 321 are opened on the air duct shell 3;First air outlet 311 and second air outlet 321 are connected with first air supply duct 31 and second air supply duct 32 respectively;

[0034] Air supply cavity 23 is also provided with adjusting shaft 1 concentric with air duct shell 3;The first baffle 11 and the second baffle 12 that are all circular arc are fixedly connected on the adjusting shaft 1;

[0035] Optionally, the first baffle 11 and the second baffle 12 are fixedly connected on the adjusting shaft 1 by supporting rod 13;

[0036] Adjusting motor is connected with the adjusting shaft 1;Adjusting motor drives adjusting shaft 1 to rotate, so that the shielding area of first baffle 11 and second baffle 12 to first air outlet 311 and second air outlet 321 is changed, so as to adjust air volume.

[0037] Optionally, adjusting motor is variable frequency motor or step motor.

[0038] The width of the opening formed between the first baffle 11 and the second baffle 12 is denoted as a; the distance between the outermost sides of the first air outlet 311 and the second air outlet 321 is denoted as b; a≤b; in combination Figure 4 The rotation of the adjusting shaft 1 can simultaneously adjust the opening degree of the first air outlet 311 and the second air outlet 321, and further simultaneously adjust the air volume of the first air duct 31 and the second air duct 32.

[0039] Referring to Figure 3 When one of the first air outlet 311 and the second air outlet 321 is in a completely shielding state, the other air outlet is in a completely open state; the alternate on or off of the two air outlets can be realized;

[0040] The utility model has the following operation modes:

[0041] Referring to Figure 2 As one of the air supply operation modes of the utility model, when the second air outlet 321 is in a completely shielding state, the first air outlet 311 is in a completely open state; Figure 2 The adjusting shaft 1 in the drawing rotates counterclockwise by a certain angle, and the aforementioned operation mode can be achieved. In this mode, the air supply volume of the first air duct 31 is maximum, and the second air duct 32 is completely closed.

[0042] Referring to Figure 3 As one of the air supply operation modes of the utility model, when the first air outlet 311 is in a completely shielding state, the second air outlet 321 is in a completely open state; in this mode, the air supply volume of the second air duct 32 is maximum, and the first air duct 31 is completely closed.

[0043] Referring to Figure 4 As one of the air supply operation modes of the utility model, the first baffle 11 and the second baffle 12 partially shield the first air outlet 311 and the second air outlet 321, respectively; by adjusting the rotation of the adjusting shaft 1, the air supply volumes of the first air outlet 311 and the second air outlet 321 are simultaneously changed. The person skilled in the art can set multiple rotation angles of the adjusting shaft 1 according to multiple test tests, so as to set multiple sub-modes in this air supply mode, accurately adjust the air supply volume, and meet the diversified needs of users.

[0044] The switching between the multiple air supply operation modes of the utility model can be realized by changing the rotation angle or rotation direction of the adjusting shaft 1, the adjusting mode is simple and accurate, greatly simplifies the control strategy, and avoids the air supply mode adjustment error.

[0045] As an implementation, the first air supply duct 31 and the second air supply duct 32 can supply air to different compartments respectively or different areas of the same compartment. According to the actual temperature in the compartment, the appropriate air supply operation mode can be switched to meet the cold demand of the compartment.

[0046] As an embodiment, referring to Figure 5 The arc length of the first baffle 11 or the second baffle 12 is greater than the distance b of the outermost side of the first air outlet 311 and the second air outlet 321. When the evaporator 21 defrosts, the first air outlet 311 and the second air outlet 321 can be completely shielded, so that the heat of defrosting does not enter the compartment through the air duct, thereby avoiding temperature fluctuations.

[0047] Optionally, the first baffle 11, the second baffle 12, the support rod 13 and the adjusting shaft 1 are all made of plastic material and are connected by bonding, thereby reducing the weight.

[0048] The air volume regulating assembly adjusts the opening degree of the first air outlet 311 and the second air outlet 321 by rotating the adjusting shaft 1. The switching between the multiple air supply operation modes can be realized by changing the rotation angle or the rotation direction of the adjusting shaft 1, and the adjusting mode is simple and accurate, thereby greatly simplifying the control strategy and avoiding air supply mode adjustment errors.

[0049] Referring to Figure 2 The utility model also provides a refrigerator, including the box 4, the box 4 has the storage compartment 41, be equipped with the air volume regulating assembly in the box 4,

[0050] Referring to Figure 3 As an embodiment, the storage compartment 41 is provided with a plurality of upper air supply outlets 42 and a plurality of lower air supply outlets 43. The upper air supply outlets 42 and the lower air supply outlets 43 supply air from the upper part and the lower part of the storage compartment 41 respectively, so that the temperature in the storage compartment 41 tends to be balanced, and the utility model is suitable for large-capacity storage compartments 41.

[0051] Further, the first air supply duct 31 is connected to the upper air supply outlet 42, and the second air supply duct 32 is connected to the lower air supply outlet 43. By controlling the aforementioned air supply operation mode, the air volume and the air supply time of the first air supply duct 31 are increased, so that the temperature of the storage compartment 41 is promoted to be uniform, and the temperature of the top area of the storage compartment 41 is prevented from being too high.

[0052] Optionally, the storage compartment 41 is provided with a temperature sensor 44 near the upper air supply outlet 42 and the lower air supply outlet 43. The temperature sensor 44 detects the temperature in real time and adjusts the air supply operation mode in time.

[0053] In summary, the utility model provides a kind of air volume regulation and control assembly, by adjusting the rotation of the shaft, the opening of the first air outlet and the second air outlet are adjusted simultaneously.The switching between the multiple air supply operating modes of the utility model can be realized by changing the rotation angle or rotation direction of the adjusting shaft, the adjusting mode is simple and accurate, greatly simplifies the control strategy, and avoids air supply mode adjustment errors.The utility model further provides a refrigerator.

[0054] Of course, the utility model can also have other various embodiments, without departing from the spirit and essence of the utility model, those skilled in the art can make various corresponding changes and modifications according to the utility model, but these corresponding changes and modifications should all belong to the protection scope of the claims attached to the utility model.

Claims

1. An air volume regulating assembly, comprising: The application relates to a wind volume regulating and controlling assembly. The application relates to a wind volume regulating and controlling assembly. The application relates to a wind volume regulating and controlling assembly. The application relates to a wind volume regulating and controlling assembly. The application relates to a wind volume regulating and controlling assembly. The application relates to a wind volume regulating and controlling assembly.

2. The airflow regulating assembly of claim 1, wherein, The application relates to a wind volume regulating and controlling assembly.

3. The airflow regulating assembly of claim 1, wherein, The application relates to a wind volume regulating and controlling assembly.

4. The airflow regulating assembly of claim 1, wherein, The application relates to a wind volume regulating and controlling assembly.

5. The airflow regulating assembly of claim 1, wherein, The application relates to a wind volume regulating and controlling assembly.

6. The airflow regulating assembly of claim 5, wherein, The application relates to a wind volume regulating and controlling assembly.

7. A refrigerator characterized by comprising: The application relates to a wind volume regulating and controlling assembly.

8. The refrigerator according to claim 7, wherein The application relates to a wind volume regulating and controlling assembly.

9. The refrigerator according to claim 8, wherein The application relates to a wind volume regulating and controlling assembly. The application relates to a wind volume regulating and controlling assembly. The application relates to a wind volume regulating and controlling assembly. The application relates to a wind volume regulating and controlling assembly. The application relates to a wind volume regulating and controlling assembly. The application relates to a wind volume regulating and controlling assembly. The application relates to a wind volume regulating and controlling assembly. The application relates to a wind volume regulating and controlling assembly. The application relates to a wind volume regulating and controlling assembly. The application relates to a wind volume regulating and controlling assembly. The application relates to a wind volume regulating and controlling assembly. The application relates to a wind volume regulating and controlling assembly. 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