Temperature zone conversion type single-system refrigerator

By installing an airflow distributor and vacuum insulation panels in a single-system refrigerator, the airflow ratio of the cooling system can be adjusted to achieve switching between refrigeration, freezing, and variable temperature zones. This solves the problems of temperature difference and cost in refrigerators, enhances storage functionality, and is suitable for price-sensitive users.

CN224108427UActive Publication Date: 2026-04-10AUCMA
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-16
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing refrigerators have large temperature differences between the freezer and refrigerator compartments, different storage functions, and cannot be used interchangeably. Furthermore, three-temperature-zone or multi-system refrigerators are expensive and cannot meet the needs of price-sensitive users.

Method used

Design a single-system refrigerator with temperature zone switching. The refrigerator adjusts the airflow ratio between the first and second compartments through an air volume distributor to achieve switching between refrigeration, freezing and variable temperature zones. The refrigerator body is made of foam plastic material and vacuum insulation panels to improve the heat preservation performance and increase the storage capacity.

Benefits of technology

Without adding refrigeration components, it achieves flexible switching between refrigeration, freezing, and variable temperature zones, improving storage capacity and reducing costs, making it suitable for price-sensitive users.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of refrigerators, and provides a temperature zone conversion type single-system refrigerator which comprises a refrigeration unit, a temperature zone conversion unit, a temperature zone conversion unit and a temperature zone conversion unit. A first chamber and a second chamber; the air quantity distributor is connected with the first chamber, the second chamber and the refrigerating unit; and the air quantity distributor is configured to synchronously adjust the flow ratio of refrigeration airflow of the first chamber and the second chamber. Therefore, the air volume distributor is arranged to adjust the flow proportion of the refrigerating air flow entering the first chamber and the second chamber, and switching of the refrigerating temperature area, the temperature changing temperature area and the freezing temperature area of the two chambers is achieved. On the premise that refrigerating devices are not added, the storage function of the single-system refrigerator is added.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to refrigerator technical field, especially relate to a temperature zone conversion formula single system refrigerator. BACKGROUND

[0002] The existing refrigerator, the temperature difference of freezing chamber and refrigeration chamber is big, the storage function is different, cannot mix use.

[0003] Use three temperature zone refrigerator or multi-system refrigerator can solve the problem of storage diversity, but the price of this kind of product is relatively high, for the living single apartment, dormitory or rent sharing etc. Price sensitive user is difficult to bear.

[0004] Summarize above, the prior art has obvious inconvenience and defects in actual use, so it is necessary to improve. INVENTION CONTENTS

[0005] In view of the above-mentioned defects, the utility model mainly provides a temperature zone conversion formula single system refrigerator, solves the technical problem that single system refrigerator temperature zone is fixed and cannot be adjusted and converted.

[0006] In order to solve the above problem, the utility model provides a temperature zone conversion formula single system refrigerator, comprising:

[0007] Refrigeration unit for sending refrigeration air flow and absorbing back air flow;

[0008] First chamber and second chamber;

[0009] Air volume distributor is connected first chamber, second chamber and refrigeration unit;The air volume distributor is configured to: the flow ratio of refrigeration air flow of first chamber and second chamber is adjusted synchronously.

[0010] According to the temperature zone conversion formula single system refrigerator of the utility model, the single system refrigerator has a box body, first inner container and second inner container are arranged in the box body;First inner container and second inner container respectively have first chamber and second chamber;

[0011] The refrigeration unit is arranged between first inner container and second inner container;The back position of first inner container and second inner container is respectively provided with the air duct plate piece connected with refrigeration unit;The air duct plate piece is provided with air inlet;The air duct plate piece is also provided with multiple air outlets.

[0012] The utility model discloses a temperature zone conversion formula single system refrigerator, refrigeration unit includes the upper box and lower box of mutual buck joint, the upper box and lower box form the refrigeration chamber between, the upper box and lower box's front end all are provided with the return air inlet, the rear end of upper box and lower box is provided with the upper air outlet and lower air outlet of the air inlet connection of corresponding one side's air duct board spare respectively,

[0013] The utility model discloses a temperature zone conversion formula single system refrigerator, the refrigeration chamber is equipped with evaporator, air supply fan and the air volume distributor, air supply fan is configured as: the refrigeration airflow is sent into the air duct board spare from the air outlet, and the return air current is inhaled from the return air inlet simultaneously, to form the air circulation in the first chamber and the second chamber respectively.

[0014] The utility model discloses a temperature zone conversion formula single system refrigerator, the refrigeration chamber is equipped with main air duct, and the main air duct is connected with the upper air outlet and lower air outlet respectively, and the air volume distributor includes the air distribution board of rotation setting between the upper air outlet and lower air outlet and extending to the main air duct, and the air distribution board is configured as: the flow ratio of the refrigeration airflow entering the first chamber and the second chamber is adjusted by rotating upwards or downwards.

[0015] The utility model discloses a temperature zone conversion formula single system refrigerator, and the upper air outlet and lower air outlet are all provided with controllable air door.

[0016] The utility model discloses a temperature zone conversion formula single system refrigerator, and the upper box and lower box are all foam plastic material.

[0017] The utility model discloses a temperature zone conversion formula single system refrigerator, and the inner wall of the upper box and lower box is all attached with the heat insulating board.

[0018] The utility model discloses a temperature zone conversion formula single system refrigerator, and the heat insulating board is vacuum heat insulating board.

[0019] The utility model discloses a temperature zone conversion formula single system refrigerator, and the air supply fan is axial flow fan.

[0020] The utility model discloses a temperature zone conversion formula single system refrigerator, and the first inner bag is equipped with multilayer shelf, and the air duct board spare in the first inner bag is equipped with multilayer air outlet, and every layer air outlet is arranged between the adjacent two layers of shelf.

[0021] In conclusion, the utility model discloses a temperature zone conversion formula single system refrigerator, and the air volume distributor is arranged, the flow ratio of the refrigeration airflow entering the first chamber and the second chamber is adjusted, realizes the switching of the refrigeration temperature zone, the variable temperature zone and the freezing temperature zone of two chambers, and increases the storage function of single system refrigerator under the premise of not increasing refrigeration device. ACCURACY

[0022] Figure 1 It is the working principle schematic diagram of the utility model.

[0023] Figure 2 is a structural schematic view of an embodiment of the present application;

[0024] Figure 3 is Figure 2 is a sectional structural schematic view of the A direction of the middle;

[0025] Figure 4 is Figure 3 is a structural schematic view of the B direction of the middle;

[0026] Figure 5 is Figure 4 is a front sectional structural schematic view of the refrigeration unit of the middle;

[0027] In the figure: 1 - refrigeration unit, 11 - return air inlet, 12 - upper box body, 121 - upper air outlet; 13 - lower box body, 131 - lower air outlet; 14 - air supply fan, 15 - evaporator, 16 - main air supply duct; 2 - air duct plate, 21 - air outlet, 22 - air inlet; 3 - first inner container, 31 - first chamber, 32 - shelf; 4 - second inner container, 41 - second chamber; 5 - air volume distributor, 51 - air distribution plate; 100 - box body. DETAILED DESCRIPTION

[0028] Referring to Figure 1 , the utility model provides a kind of temperature zone conversion formula single system refrigerator, comprising:

[0029] Refrigeration unit 1 is used to send refrigeration airflow and suck back air flow;

[0030] First chamber 31 and second chamber 41;

[0031] Air volume distributor 5 is connected first chamber 31, second chamber 41 and refrigeration unit 1;The air volume distributor 5 is configured to: the flow ratio of the refrigeration airflow of first chamber 31 and second chamber 41 is synchronously adjusted;The storage temperature of two chambers is changed by changing the flow ratio of the refrigeration airflow of two chambers.Specifically:

[0032] When the refrigeration airflow entering first chamber 31 is less, the refrigeration airflow entering second chamber 41 is more;Such as the flow ratio of the refrigeration airflow of two is 1:3~5.In this condition, first chamber 31 is in refrigeration temperature zone, with refrigeration function;Second chamber 41 is in freezing temperature zone, with freezing function.

[0033] When the refrigeration airflow entering first chamber 31 is more, the refrigeration airflow entering second chamber 41 is less;Such as the flow ratio of the refrigeration airflow of two is 3~5:1.In this condition, first chamber 31 is in freezing temperature zone, with freezing function;Second chamber 41 is in refrigeration temperature zone, with refrigeration function.

[0034] When the amount of refrigeration air flow entering the first chamber 31 and the second chamber 41 is the same, both chambers are in the variable temperature zone, and both can be used as variable temperature chambers.

[0035] The utility model discloses a wind volume distributor 5 is set up, adjusts the flow ratio of refrigeration air flow entering the first chamber 31 and the second chamber 41, realizes the switching of the refrigeration temperature zone, the variable temperature zone, the freezing temperature zone of two chambers. On the premise of not increasing the refrigeration device, the storage function of single system refrigerator is increased.

[0036] Referring to Figure 2 , as an embodiment, the single system refrigerator has a cabinet 100, the cabinet 100 is provided with a first inner container 3 and a second inner container 4; the first inner container 3 and the second inner container 4 are respectively provided with the first chamber 31 and the second chamber 41;

[0037] Referring to Figure 3 and Figure 4 , the first inner container 3 and the second inner container 4 are provided with the refrigeration unit 1; the back positions of the first inner container 3 and the second inner container 4 are respectively provided with the air duct plate 2 connected with the refrigeration unit 1; the air duct plate 2 is provided with an air inlet 22; the air duct plate 2 is also provided with a plurality of air outlets 21;

[0038] Referring to Figure 5 , the refrigeration unit 1 comprises an upper cabinet 12 and a lower cabinet 13 which are buckled with each other; the upper cabinet 12 and the lower cabinet 13 form a refrigeration chamber; the front ends of the upper cabinet 12 and the lower cabinet 13 are provided with return air inlets 11; the rear ends of the upper cabinet 12 and the lower cabinet 13 are respectively provided with an upper air supply inlet 121 and a lower air supply inlet 131 connected with the air inlet 22 of the corresponding air duct plate 2;

[0039] The refrigeration chamber is provided with an evaporator 15, an air supply fan 14 and the wind volume distributor 5; the air supply fan 14 is configured to send refrigeration air flow from the air supply inlet to the air duct plate 2, and simultaneously suck return air flow from the return air inlet 11; so as to form air circulation in the first chamber 31 and the second chamber 41 respectively.

[0040] The utility model discloses a return air inlet 11 and an air supply inlet are set up at the front and rear ends of the refrigeration unit 1. The distance between the air outlet 21 and the return air inlet 11 in the chamber is increased, so that the air flow blown out of the air outlet 21 can completely cover the space in the chamber, and the temperature distribution in the chamber is more uniform.

[0041] The main air supply duct 16 is communicated with the upper air supply port 121 and the lower air supply port 131 respectively; the air volume distributor 5 comprises a distribution plate 51 which is rotatably arranged between the upper air supply port 121 and the lower air supply port 131 and extends into the main air supply duct 16; the distribution plate 51 is configured to adjust the flow ratio of the refrigeration air flow entering the first compartment 31 and the second compartment 41 by rotating upward or downward.

[0042] By controlling the stop position of the distribution plate 51, the air volume of the upper air supply port 121 and the lower air supply port 131 can be adjusted in any ratio.

[0043] Optionally, a rotating shaft is arranged on the inner wall of the upper cabinet 12 or the lower cabinet 13, and the distribution plate 51 is fixedly connected to the rotating shaft; and an adjusting motor for driving the rotating shaft is arranged in the upper cabinet 12 or the lower cabinet 13; the rotation and stop of the distribution plate 51 are controlled by the adjusting motor.

[0044] Further, controllable dampers are arranged at the upper air supply port 121 and the lower air supply port 131; the temperature of the first compartment 31 and the second compartment 41 can be accurately adjusted by the opening degree of the controllable dampers, and the temperature adjustment range of the two compartments is expanded.

[0045] Better, the upper cabinet 12 and the lower cabinet 13 are made of foamed plastic material, and the heat preservation performance is high, so that the cold energy loss is reduced.

[0046] Further, heat insulation plates are attached to the inner walls of the upper cabinet 12 and the lower cabinet 13; the heat insulation plates are preferably vacuum heat insulation plates; the heat preservation performance of the refrigeration unit 1 is further improved, and the cold energy loss is reduced.

[0047] Preferably, the air supply fan 14 is an axial flow fan, which can promote the speed of air circulation.

[0048] As an embodiment, a plurality of shelves 32 are arranged in the first inner container 3; a plurality of air outlets 21 are arranged on the air duct plate 2 in the first inner container 3, and each air outlet 21 is arranged between adjacent two shelves 32; so that the cold air flow passes through each shelf 32, the food materials are effectively stored, and the temperature uniformity in the first inner container 3 is improved.

[0049] The single-system refrigerator of the utility model sets the refrigeration unit 1 at the middle position, fully utilizes the space between the two inner containers, releases the storage space of the back area of the first inner container 3 and the second inner container 4, increases the effective storage volume and the vertical depth of the inner container, and does not need to set a return air duct and a return air outlet in the air duct plate 2, so that the thickness of the air duct plate 2 is reduced and a certain storage space is released.

[0050] In summary, the utility model provides a kind of temperature zone conversion formula single system refrigerator, by setting up air volume distributor, the flow proportion of refrigeration airflow entering first chamber and second chamber is adjusted, the switching of the refrigeration temperature zone, the variable temperature zone, the freezing temperature zone of two chambers is realized.

[0051] 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 deformations according to the utility model, but these corresponding changes and deformations should all belong to the protection scope of the claims attached to the utility model.

Claims

1. A warm zone conversion single system refrigerator, characterized by, The single-system refrigerator comprises: a refrigeration unit for sending out refrigeration air flow and sucking back return air flow; a first chamber and a second chamber; an air volume distributor connected with the first chamber, the second chamber and the refrigeration unit, and configured to synchronously adjust the flow ratio of the refrigeration air flow in the first chamber and the second chamber.

2. The convertible single system refrigerator of claim 1, wherein, The single-system refrigerator has a cabinet, and the cabinet is provided with a first inner container and a second inner container; the first inner container and the second inner container are respectively provided with the first chamber and the second chamber; the refrigeration unit is arranged between the first inner container and the second inner container; air duct plate members are arranged at the back positions of the first inner container and the second inner container respectively and connected with the refrigeration unit; the air duct plate members are provided with air inlets; and the air duct plate members are further provided with a plurality of air outlets.

3. The convertible single system refrigerator of claim 2, wherein the first and second refrigeration systems are connected to the single compressor. The refrigeration unit comprises an upper cabinet and a lower cabinet which are buckled with each other; a refrigeration cavity is formed between the upper cabinet and the lower cabinet; the upper cabinet and the lower cabinet are both provided with return air inlets at the front ends; and the upper cabinet and the lower cabinet are both provided with upper air supply inlets and lower air supply inlets at the rear ends respectively and connected with the air inlets of the air duct plate members on the corresponding sides; the refrigeration cavity is provided with an evaporator, an air supply fan and the air volume distributor; the air supply fan is configured to send refrigeration air flow from the air supply inlets into the air duct plate members and simultaneously suck in return air flow from the return air inlets; and thus air circulation is formed in the first chamber and the second chamber respectively.

4. The convertible single system refrigerator of claim 3, wherein the first and second refrigeration systems are connected to the compressor through a single refrigerant line. The refrigeration cavity is provided with a main air supply duct which is connected with the upper air supply inlets and the lower air supply inlets respectively; and the air volume distributor comprises a distribution plate which is rotatably arranged between the upper air supply inlets and the lower air supply inlets and extends into the main air supply duct; the distribution plate is configured to adjust the flow ratio of the refrigeration air flow entering the first chamber and the second chamber by rotating upward or downward.

5. The convertible single system refrigerator of claim 3, wherein the first and second refrigeration systems are connected to the compressor through a single refrigerant line. Controllable air doors are arranged at the upper air supply inlets and the lower air supply inlets.

6. The convertible single system refrigerator of claim 3, wherein, The upper cabinet and the lower cabinet are both made of foamed plastic.

7. The convertible single system refrigerator of claim 3, wherein the first and second refrigerating chambers are formed in the upper portion of the main body, and the freezing chamber is formed in the lower portion of the main body. Heat insulation plates are attached to the inner walls of the upper cabinet and the lower cabinet.

8. The convertible single system refrigerator of claim 7, wherein the first and second refrigeration systems are connected to the compressor through a single refrigerant line. The heat insulation plates are vacuum heat insulation plates.

9. The convertible single system refrigerator of claim 3, wherein the first and second refrigerating chambers are formed in the upper portion of the main body, and the freezing chamber is formed in the lower portion of the main body. The air supply fan is an axial flow fan.

10. The convertible single system refrigerator according to any one of claims 2 to 9, wherein The first inner container is provided with a plurality of shelves; and the air duct plate member in the first inner container is provided with a plurality of air outlets, and each layer of air outlet is arranged between adjacent two shelves.