CN215930229U - Refrigerator with a door - Google Patents
Refrigerator with a door Download PDFInfo
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- CN215930229U CN215930229U CN202121474152.7U CN202121474152U CN215930229U CN 215930229 U CN215930229 U CN 215930229U CN 202121474152 U CN202121474152 U CN 202121474152U CN 215930229 U CN215930229 U CN 215930229U
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Abstract
The present invention provides a refrigerator, including: the box body is internally provided with a storage chamber and an air supply duct communicated with the storage chamber; the air duct separation device is arranged in the air supply air duct and divides the air supply air duct into a first sub air duct for circulating the first heat exchange air flow and a second sub air duct for circulating the second heat exchange air flow; and the air duct adjusting device is arranged on the air supply air duct and used for controllably switching on and off the first sub air duct and the second sub air duct so that the storage compartment receives the first heat exchange air flow or the second heat exchange air flow. The utility model provides the refrigerator which has a unique air duct structure and is easy to realize temperature-changing storage by improving the air duct structure of the refrigerator.
Description
Technical Field
The utility model relates to refrigeration, in particular to a refrigerator.
Background
With the improvement of science and technology and the improvement of living standard, the fresh-keeping demand of users on food materials, medicines and other articles is continuously increased. Because articles related to daily life are rich in types and different in preservation temperature, part of users hope that the refrigerator can realize temperature-changing storage aiming at the same storage space, for example, the refrigerator can adjust high-temperature preservation atmosphere suitable for storing articles A and can also adjust low-temperature preservation atmosphere suitable for storing articles B.
However, the inventor has recognized that some refrigerators in the prior art generally utilize a refrigeration system to regulate the temperature of the storage space, and the refrigerator has only a single air supply duct, and the single air duct structure cannot meet the requirement of temperature-changing storage of the refrigerator.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to overcome at least one technical drawback of the prior art and to provide a refrigerator.
A further object of the present invention is to improve the air duct structure of the refrigerator, and to provide a refrigerator which is easy to realize temperature-changing storage.
It is still a further object of the present invention to optimize the freshness level of a refrigerator with a simple structure.
Another further object of the utility model is to flexibly adjust the air supply mode of the storage compartment.
In particular, the present invention provides a refrigerator comprising: the box body is internally provided with a storage chamber and an air supply duct communicated with the storage chamber; the air duct separation device is arranged in the air supply air duct and divides the air supply air duct into a first sub air duct for circulating the first heat exchange air flow and a second sub air duct for circulating the second heat exchange air flow; and the air duct adjusting device is arranged on the air supply air duct and used for controllably switching on and off the first sub air duct and the second sub air duct so that the storage compartment receives the first heat exchange air flow or the second heat exchange air flow.
Optionally, the refrigerator further comprises: and the control device is in data connection with the air channel adjusting device and is used for controlling the air channel adjusting device to make and break the first sub air channel and the second sub air channel according to the set temperature of the storage chamber.
Optionally, the control device is configured to communicate the first sub-air duct and shut off the second sub-air duct when the set temperature is lower than a preset first temperature threshold, and is further configured to communicate the second sub-air duct and shut off the first sub-air duct when the set temperature is higher than a preset second temperature threshold, where the first temperature threshold is smaller than the second temperature threshold.
Optionally, the refrigerator further comprises: the cold energy providing device is arranged in the first sub-air flue or is in airflow communication with the first sub-air flue and is used for providing cold energy for the first sub-air flue so as to form first heat exchange airflow; and the heat supply device is arranged in the second sub-air flue or is in airflow communication with the second sub-air flue and is used for supplying heat to the second sub-air flue so as to form second heat exchange airflow.
Optionally, the cold providing device is an evaporator; and the heat providing device is an electric heating device.
Optionally, the air duct adjusting device is an air door, and is controlled to be openably and closably arranged at the air outlet end of the first sub air duct and the air outlet end of the second sub air duct so as to open and close the first sub air duct and the second sub air duct.
Optionally, the air door includes a first air door and a second air door, wherein the first air door is disposed at the air outlet end of the first sub-air duct, and the second air door is disposed at the air outlet end of the second sub-air duct.
Optionally, the storage compartment is provided with an air supply outlet; a connecting section is formed in the box body and is communicated with the air outlet, the air outlet end of the first sub-air channel and the air outlet end of the second sub-air channel; the refrigerator also comprises an air supply fan which is arranged in the connecting section and used for promoting the formation of airflow which flows through the first sub-air channel and/or the second sub-air channel and then flows through the air supply outlet.
Optionally, the air supply duct is positioned at the rear side of the storage compartment; the air duct separating device is plate-shaped and extends along the vertical surface, so that the separated first sub air duct and the second sub air duct are arranged in parallel front and back.
Optionally, a heat exchange cavity for installing an evaporator is formed inside the box body, and the heat exchange cavity is located on the rear side of the air supply duct and is arranged adjacent to the first sub-duct; and the heat exchange cavity is communicated with the first sub-air duct through the heat exchange port.
According to the refrigerator, the air duct separation device is used for separating the air supply duct into the first sub-duct for circulating the first heat exchange air flow and the second sub-duct for circulating the second heat exchange air flow, and the air duct adjusting device is used for switching on and off the first sub-duct and the second sub-duct, so that the storage chamber selectively receives the first heat exchange air flow or the second heat exchange air flow, and the refrigerator can adjust the temperature of the storage chamber by using the first heat exchange air flow or the second heat exchange air flow. The utility model provides the refrigerator which has a unique air duct structure and is easy to realize temperature-changing storage by improving the air duct structure of the refrigerator.
Furthermore, according to the refrigerator, the air channel separation device and the air channel adjusting device are arranged in the refrigerator, the control device is used for controlling the air channel adjusting device to open and close the first sub air channel and the second sub air channel according to the set temperature of the storage chamber, so that heat exchange air flow supplied to the storage chamber can be switched, the storage temperature of the storage chamber is changed, the refrigerator has the advantages of being simple in structure and simple in control process, and the refrigerator can optimize the fresh-keeping level through a simple structure.
Furthermore, the refrigerator respectively utilizes the first air door and the second air door to open and close the air outlet end of the first sub-air duct and the air outlet end of the second sub-air duct so as to open and close the first sub-air duct and the second sub-air duct, and the air supply mode of the storage chamber can be flexibly adjusted.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the utility model will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic block diagram of a refrigerator according to one embodiment of the present invention;
fig. 2 is a schematic structural view of a refrigerator according to one embodiment of the present invention;
fig. 3 is a schematic structural view of a refrigerator according to another embodiment of the present invention.
Detailed Description
Fig. 1 is a schematic block diagram of a refrigerator 10 according to one embodiment of the present invention. The refrigerator 10 may generally include a cabinet 200, a duct partition 300, and a duct adjusting device 600.
The cabinet 200 has a storage compartment 210 and an air duct communicating with the storage compartment 210. For example, the air supply duct may communicate with the storage compartment 210 through the air supply opening 211 and the air return opening 212. The air flowing through the air supply duct may flow into the storage compartment 210 through the air supply opening 211 and flow out of the storage compartment 210 through the air return opening 212.
Fig. 2 is a schematic structural view of a refrigerator 10 according to one embodiment of the present invention. The air duct partition device 300 is disposed in the air supply duct, and partitions the air supply duct into a first sub-air duct 221 for circulating the first heat exchange air flow and a second sub-air duct 222 for circulating the second heat exchange air flow. The temperature of the first heat exchange gas stream is different from the temperature of the second heat exchange gas stream. For example, the temperature of the first heat exchange gas stream may be lower than the temperature of the second heat exchange gas stream. The first sub-air duct 221 is used for circulating a first heat-exchange air flow, which means that the first heat-exchange air flow can flow through the first sub-air duct 221 and flow into the storage compartment 210. The second sub-air duct 222 is used for circulating a second heat-exchange air flow, which means that the second heat-exchange air flow can flow through the second sub-air duct 222 and flow into the storage compartment 210.
The air duct adjusting device 600 is disposed in the air supply duct and is used for controllably opening and closing the first sub-air duct 221 and the second sub-air duct 222, so that the storage compartment 210 receives the first heat exchange air flow or the second heat exchange air flow. That is, the air duct adjusting device 600 is used to control the storage compartment 210 to selectively communicate with a certain sub-air duct, so as to deliver the corresponding heat exchange air flow to the storage compartment 210 by using the communicated sub-air duct.
In the refrigerator 10 of this embodiment, the air duct separating device 300 separates the air supply duct into the first sub-air duct 221 for circulating the first heat-exchange air flow and the second sub-air duct 222 for circulating the second heat-exchange air flow, and the air duct adjusting device 600 switches the first sub-air duct 221 and the second sub-air duct 222, so that the storage compartment 210 selectively receives the first heat-exchange air flow or the second heat-exchange air flow, and the refrigerator 10 can adjust the temperature of the storage compartment 210 by using the first heat-exchange air flow or the second heat-exchange air flow. The present embodiment provides a refrigerator 10 having a unique air duct structure and easy to implement variable temperature storage by improving the air duct structure of the refrigerator 10.
In some optional embodiments, the refrigerator 10 may further include a control device 100, which is in data connection with the air duct adjusting device 600 and is used for controlling the air duct adjusting device 600 to open and close the first sub air duct 221 and the second sub air duct 222 according to the set temperature of the storage compartment 210. The control device 100 may be a main control panel of the refrigerator 10. The set temperature of the storage compartment 210 is the fresh-keeping temperature to be reached by the storage compartment 210, and can be set by a user according to the fresh-keeping requirement of the articles.
The control device 100 is configured to communicate the first sub-air duct 221 and shut off the second sub-air duct 222 when the set temperature is lower than a preset first temperature threshold, and is further configured to communicate the second sub-air duct 222 and shut off the first sub-air duct 221 when the set temperature is higher than a preset second temperature threshold, where the first temperature threshold is smaller than the second temperature threshold
The first temperature threshold and the second temperature threshold may be set according to the freshness requirement of the storage compartment 210. For example, the first temperature threshold may be 5 ℃, the second temperature threshold may be 6 ℃, if the set temperature of the storage compartment 210 is 0 to 5 ℃, the air duct adjusting device 600 may communicate with the first sub air duct 221 and shut off the second sub air duct 222, and if the set temperature of the storage compartment 210 is 6 to 10 ℃, the air duct adjusting device 600 may open the second sub air duct 222 and shut off the first sub air duct 221.
In this embodiment, the air duct separating device 300 and the air duct adjusting device 600 are arranged in the refrigerator 10, and the control device 100 controls the air duct adjusting device 600 to open and close the first sub air duct 221 and the second sub air duct 222 according to the set temperature of the storage compartment 210, so that the heat exchange air flow supplied to the storage compartment 210 can be switched, the storage compartment 210 changes the storage temperature, and the refrigerator has the advantages of simple structure and simple control process, and the refrigerator 10 can optimize the fresh-keeping level by using a simple structure.
In some embodiments, the refrigerator 10 may further include a temperature sensor 900 disposed in the storage compartment 210 for detecting the temperature inside the storage compartment 210. The refrigerator 10 can also control the air duct adjusting device 600 to open and close the first sub-air duct 221 and the second sub-air duct 222 according to the actual temperature of the storage compartment 210. For example, when the actual temperature of the storage compartment 210 exceeds a preset high-temperature threshold, the first sub-duct 221 may be connected and the second sub-duct 222 may be disconnected, and when the actual temperature of the storage compartment 210 is lower than a preset low-temperature threshold, the second sub-duct 222 may be connected and the first sub-duct 221 may be disconnected, so that the temperature of the storage compartment 210 may be rapidly restored to a preset level.
In some further embodiments, the refrigerator 10 may further include a cold providing device 800 and a heat providing device 500.
The cold providing device 800 is disposed in the first sub-air duct 221 or in airflow communication with the first sub-air duct 221, and is configured to provide cold to the first sub-air duct 221 to form a first heat exchange airflow. In this embodiment, the cold providing device 800 is used as a cold source for the first heat exchange airflow, so that the first heat exchange airflow forms a low temperature airflow. The air flow communication here means that the air flow flowing through the refrigeration providing apparatus 800 can flow into the first sub-duct 221.
The heat providing device 500 is disposed in the second sub-air duct 222 or in airflow communication with the second sub-air duct 222, and is configured to provide heat to the second sub-air duct 222 to form a second heat exchange airflow. In this embodiment, the heat providing device 500 is used as a heat source for the second heat-exchange airflow, so that the second heat-exchange airflow forms a high-temperature airflow. The air flow communication here means that the air flow passing through the heat providing device 500 can flow into the second sub-air duct 222.
The above "high temperature" and "low temperature" are relative terms and are intended to indicate that the temperature of the second heat exchange gas stream is higher than the temperature of the first heat exchange gas stream.
In this embodiment, the refrigerator 10 may further include a refrigeration system including a compressor, a condenser, an evaporator 800, and a throttling device. The coldness providing apparatus 800 may be an evaporator 800 of the refrigerator 10. The temperature of the evaporator 800, and thus the temperature of the first heat exchange air stream, can be adjusted by adjusting parameters such as the refrigerant flow capacity of the refrigeration system and the operating frequency of the compressor.
The heat supplying device 500 is particularly added to the present embodiment because the temperature adjusting range of the evaporator 800 is limited. The heat supplying means 500 may be an electric heating means such as a heating body of an electric heating wire, an electric heating sheet, or the like.
The refrigerator 10 of the embodiment uses the electric heating device to provide heat to the storage compartment 210, so that the temperature of the storage compartment 210 can be controlled within a higher temperature range, and the refrigerator has the advantages of simple structure and simple control process. For example, the electric heating device may be directly disposed in the second sub-air duct 222.
The air duct adjusting device 600 may be a damper, and is controlled to be openably and closably disposed at the air outlet end of the first sub-air duct 221 and the air outlet end of the second sub-air duct 222 to open and close the first sub-air duct 221 and the second sub-air duct 222. The air outlet end of the first sub-air duct 221 may refer to a portion through which the airflow flows when flowing out of the first sub-air duct 221. The air outlet end of the second sub-air duct 222 may refer to a portion through which the airflow flows when flowing out of the second sub-air duct 222.
The number of the dampers of this embodiment is two, and the dampers are a first damper 610 and a second damper 620, respectively, wherein the first damper 610 is disposed at the air outlet end of the first sub-air duct 221, and the second damper 620 is disposed at the air outlet end of the second sub-air duct 222.
The air outlet end of the first sub-air duct 221 is opened and closed by the first air door 610, and the air outlet end of the second sub-air duct 222 is opened and closed by the second air door 620, so that the first sub-air duct 221 and the second sub-air duct 222 are opened and closed, and the air supply mode of the storage compartment 210 can be flexibly adjusted.
The storage compartment 210 is opened with an air supply outlet 211 to allow the first and second heat-exchanged air flows to flow into the inner space of the storage compartment 210.
The box 200 further has a connecting section 230 formed therein for connecting the air outlet 211 with the air outlet end of the first sub-duct 221 and the air outlet end of the second sub-duct 222. That is, the connection section 230 communicates the air outlet 211 with the air outlet end of the first sub-duct 221, and communicates the air outlet 211 with the air outlet end of the second sub-duct 222. That is, the connection section 230 is located on a common airflow path from the air outlet end of the first sub-duct 221 to the air outlet 211, and from the air outlet end of the second sub-duct 222 to the air outlet 211. Both the first heat-exchange air flow flowing out of the first sub-air duct 221 and the second heat-exchange air flow flowing out of the second sub-air duct 222 can flow into the air blowing opening 211 through the connecting section 230, so as to enter the inner space of the storage compartment 210. The supply air outlet 211 of this embodiment may be located at a bottom section of the storage compartment 210. The air outlet end of the first sub-duct 221 and the air outlet end of the second sub-duct 222 are higher than the air outlet 211.
The refrigerator 10 may further include a blower fan 700 disposed in the connection section 230 for inducing an airflow passing through the first sub-duct 221 and/or the second sub-duct 222 and then passing through the blower outlet 211. For example, when the first damper 610 is opened, the supply fan 700 may cause the first heat-exchanged air to flow through the first sub-duct 221, the connection section 230, and the supply outlet 211 in sequence, and enter the storage compartment 210. When the second damper 620 is opened, the supply fan 700 may cause the second heat-exchange airflow to sequentially flow through the second sub-duct 222, the connection section 230, and the supply outlet 211, and enter the storage compartment 210. The direction of the arrows in fig. 2 shows the direction of the airflow.
By additionally arranging the air supply fan 700 in the connecting section 230, the flow rate of the first heat exchange air flow and the second heat exchange air flow can be increased, so that the temperature regulation rate of the storage compartment 210 is increased.
The air supply fan 700 is disposed on a common airflow path from the air outlet end of the first sub-air duct 221 to the air outlet 211 and from the air outlet end of the second sub-air duct 222 to the air outlet 211, and the air supply fan 700 can be used to guide the first heat exchange airflow and the second heat exchange airflow at the same time, so that the air supply fan 700 is shared, which is beneficial to simplifying the structure of the refrigerator 10.
The air supply duct of the present embodiment is located at the rear side of the storage compartment 210. Here, directional terms such as "front" and "rear" are used with respect to the actual usage state of the refrigerator 10.
The air duct partition device 300 may be plate-shaped and extend along a vertical plane, so that the separated first sub air duct 221 and the second sub air duct 222 are arranged in parallel in the front-rear direction. For example, the duct divider 300 may be a flat plate extending along a vertical plane. In some embodiments, the rear wall of the storage compartment 210 may extend along a vertical plane, and the duct partition 300 may be parallel to the rear wall of the storage compartment 210.
The refrigerator 10 of the present embodiment uses the specially designed air duct separating device 300 to separate the first sub-air duct 221 and the second sub-air duct 222, and has a compact structure and a low manufacturing cost.
For example, the first sub-duct 221 may be located at a rear side of the second sub-duct 222. That is, the first sub-duct 221, the second sub-duct 222, and the storage compartment 210 are sequentially arranged from back to front in the front-rear direction of the refrigerator 10. The heat exchange cavity 250 for installing the evaporator 800 is further formed inside the box 200, and the heat exchange cavity 250 is located at the rear side of the air supply duct and is adjacent to the first sub-duct 221, so that the flow path of the first heat exchange air flow is conveniently shortened, and the loss of cold energy is reduced.
The evaporator 800 is disposed in the heat exchange chamber 250. And the heat exchange cavity 250 is communicated with the first sub-air channel 221 through the heat exchange port 251, so that the heat exchange air flowing through the evaporator 800 can enter the first sub-air channel 221 through the heat exchange port 251, thereby forming a first heat exchange air flow in the first sub-air channel 221. In some embodiments, a heat exchange fan 400 may be disposed in the heat exchange cavity 250 for inducing a heat exchange airflow flowing through the evaporator 800 and flowing to the heat exchange port 251 in the heat exchange cavity 250.
In alternative embodiments, the number of dampers may be changed to one. Fig. 3 is a schematic structural view of a refrigerator 10 according to another embodiment of the present invention. For example, the air outlet end of the first sub-air duct 221 and the air outlet end of the second sub-air duct 222 may be openings, the two openings may be disposed adjacently and located in the same plane, at this time, one air door 600 may be used to simultaneously close the two openings, so as to close the first sub-air duct 221 and the second sub-air duct 222, and the air door 600 may also open the air outlet end of the first sub-air duct 221 or the air outlet end of the second sub-air duct 222 through controlled movement. The direction of the arrows in fig. 3 shows the direction of the airflow.
According to the refrigerator 10, the air duct separating device 300 is used for separating the air supply duct into the first sub-air duct 221 for circulating the first heat exchange air flow and the second sub-air duct 222 for circulating the second heat exchange air flow, and the air duct adjusting device 600 is used for switching the first sub-air duct 221 and the second sub-air duct 222 on and off, so that the storage compartment 210 selectively receives the first heat exchange air flow or the second heat exchange air flow, and the refrigerator 10 can adjust the temperature of the storage compartment 210 by using the first heat exchange air flow or the second heat exchange air flow. The present invention provides a refrigerator 10 having a unique air duct structure and easily achieving variable temperature storage by improving the air duct structure of the refrigerator 10.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the utility model have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the utility model may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the utility model. Accordingly, the scope of the utility model should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A refrigerator, characterized by comprising:
the refrigerator comprises a box body, a storage chamber and an air supply duct communicated with the storage chamber, wherein the storage chamber and the air supply duct are formed in the box body;
the air duct separation device is arranged in the air supply air duct and divides the air supply air duct into a first sub air duct for circulating a first heat exchange air flow and a second sub air duct for circulating a second heat exchange air flow; and
and the air channel adjusting device is arranged in the air supply air channel and used for controllably switching on and off the first sub air channel and the second sub air channel so that the storage compartment receives the first heat exchange air flow or the second heat exchange air flow.
2. The refrigerator according to claim 1, further comprising:
and the control device is in data connection with the air channel adjusting device and is used for controlling the air channel adjusting device to make and break the first sub air channel and the second sub air channel according to the set temperature of the storage chamber.
3. The refrigerator according to claim 2,
the control device is used for communicating the first sub-air duct and turning off the second sub-air duct when the set temperature is lower than a preset first temperature threshold value, and is also used for communicating the second sub-air duct and turning off the first sub-air duct when the set temperature is higher than a preset second temperature threshold value, and the first temperature threshold value is smaller than the second temperature threshold value.
4. The refrigerator according to claim 1, further comprising:
the cold energy providing device is arranged in the first sub-air flue or is in airflow communication with the first sub-air flue and is used for providing cold energy for the first sub-air flue so as to form the first heat exchange airflow; and
and the heat supply device is arranged in the second sub-air flue or is in airflow communication with the second sub-air flue and is used for supplying heat to the second sub-air flue so as to form the second heat exchange airflow.
5. The refrigerator according to claim 4,
the cold energy providing device is an evaporator; and is
The heat providing device is an electric heating device.
6. The refrigerator according to claim 1,
the air duct adjusting device is an air door and is controlled to be arranged at the air outlet end of the first sub air duct and the air outlet end of the second sub air duct in an openable and closable manner so as to switch on and off the first sub air duct and the second sub air duct.
7. The refrigerator according to claim 6,
the air door includes first air door and second air door, wherein first air door set up in the air-out end in first sub-wind channel, the second air door set up in the air-out end in second sub-wind channel.
8. The refrigerator according to claim 1,
the storage chamber is provided with an air supply outlet;
a connecting section is formed in the box body and is communicated with the air supply outlet, the air outlet end of the first sub-air channel and the air outlet end of the second sub-air channel;
the refrigerator also comprises an air supply fan which is arranged in the connecting section and used for promoting the formation of airflow which flows through the air supply outlet after flowing through the first sub-air duct and/or the second sub-air duct.
9. The refrigerator according to claim 1,
the air supply duct is positioned at the rear side of the storage compartment;
the air duct separating device is plate-shaped and extends along a vertical surface, so that the separated first sub air duct and the second sub air duct are arranged in parallel front and back.
10. The refrigerator according to claim 1,
a heat exchange cavity for installing an evaporator is formed in the box body, and the heat exchange cavity is positioned on the rear side of the air supply duct and is adjacent to the first sub-duct; and the heat exchange cavity is communicated with the first sub-air channel through a heat exchange port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121474152.7U CN215930229U (en) | 2021-06-30 | 2021-06-30 | Refrigerator with a door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121474152.7U CN215930229U (en) | 2021-06-30 | 2021-06-30 | Refrigerator with a door |
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| Publication Number | Publication Date |
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| CN215930229U true CN215930229U (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121474152.7U Active CN215930229U (en) | 2021-06-30 | 2021-06-30 | Refrigerator with a door |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023274169A1 (en) * | 2021-06-30 | 2023-01-05 | 青岛海尔电冰箱有限公司 | Refrigerator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023274169A1 (en) * | 2021-06-30 | 2023-01-05 | 青岛海尔电冰箱有限公司 | Refrigerator |
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