Refrigerator

Abstract

The refrigerator requested to be protected comprises a refrigerating chamber, a refrigerating air supply duct and a plurality of refrigerating fans, the refrigerating chamber is provided with multiple layers of shelf spaces, a temperature sensor is assembled in each layer of shelf space of the refrigerating chamber, and the temperature sensor can detect the temperature in the corresponding shelf space and generate a feedback signal; the refrigeration air supply duct is communicated with the refrigeration chamber, the refrigeration air supply duct is provided with an air outlet in each layer of shelf space, and the multiple air outlets are mutually independent; the plurality of refrigeration fans are in one-to-one correspondence with the plurality of air outlets, the refrigeration fans are arranged in the corresponding air outlets, and the refrigeration fans can be turned on or turned off according to feedback signals generated by the corresponding temperature sensors so as to control the corresponding air outlets to discharge air or be turned off. In this way, independent and accurate temperature control and refrigeration as required can be achieved for each layer of shelf space in the refrigerator; meanwhile, the use space of the refrigerating chamber can be increased.

Description

Technical Field

[0001] The utility model belongs to the technical field related to household electrical appliance equipment, and particularly relates to a refrigerator. Background Art

[0002] At present, the refrigerating chamber of a traditional refrigerator is designed with a single air duct, and a plurality of air outlets are distributed on it. The refrigerating compartment is refrigerated by an independent evaporator, or the cold quantity is sent from the freezer compartment through a freezer fan, an air duct, and a damper to the refrigerating chamber; the temperature of the refrigerating chamber is controlled by a sensor designed in the refrigerating chamber, or a main sensor + one or more auxiliary sensors. When the refrigerating chamber is refrigerated, the whole compartment cools down together.

[0003] First, the refrigerating chamber is designed with a separate air duct, and a damper is also designed on the air duct, which makes the thickness of the air duct thicker. The air duct occupies the volume of the refrigerating chamber, resulting in a smaller storage space in the refrigerating chamber; second, the air duct of the refrigerating chamber is an integral air duct. When the refrigerating compartment has a refrigeration request, the refrigerating damper baffle opens, and all the air outlets in the refrigerating chamber blow air for refrigeration. When the temperature detected by the sensor reaches the stop refrigeration temperature, the damper baffle closes, and all the air outlets stop blowing air, and the whole compartment no longer refrigerates. In this way, local separate refrigeration cannot be realized according to the local temperature changes in each storage area of each shelf; finally, there is only one main sensor for the temperature sensor in the refrigerating chamber of the refrigerator. This sensor cannot quickly sense the overall temperature change in the compartment caused by local temperature changes, and cannot respond in time according to the temperature changes of the load and transmit the signal that refrigeration is required, which affects the food preservation effect in the refrigerating chamber. Summary of the Utility Model

[0004] In view of this, it is necessary to provide a refrigerator for solving the above technical problems.

[0005] A refrigerator, comprising:

[0006] A refrigerating chamber having a plurality of shelf spaces, wherein a temperature sensor is respectively installed in each of the shelf spaces of the refrigerating chamber, and the temperature sensor can detect the temperature in the corresponding shelf space and generate a feedback signal;

[0007] A refrigerating air supply duct communicated with the refrigerating chamber, wherein air outlets are respectively opened in each of the shelf spaces of the refrigerating air supply duct, and the plurality of air outlets are independent of each other;

[0008] A plurality of refrigerating fans corresponding to the plurality of air outlets one by one, the refrigerating fans are arranged in the corresponding air outlets, and the refrigerating fans can be turned on or off according to the feedback signal generated by the corresponding temperature sensor to control the corresponding air outlet to blow air or close.

[0009] It can be understood that by arranging air outlets on each shelf space of the refrigerator compartment and installing an independently working refrigeration fan at each air outlet, the refrigeration fan controls the air outlet of the air outlet according to the feedback signal generated after the temperature sensor in the corresponding shelf space detects the temperature. In this way, each shelf space in the refrigerator can be independently and accurately controlled and cooled on demand. At the same time, the air outlet is controlled by the refrigeration fan in the refrigeration air supply duct. This saves the refrigeration air door baffle, thereby increasing the use space of the refrigerator compartment.

[0010] In one embodiment, the refrigerator further comprises a freezing air duct, and the refrigeration air supply duct is independently arranged relative to the freezing air duct;

[0011] Wherein, the refrigerated air supply duct has an air inlet, and the air inlet is arranged on the outside of the freezing air duct and is connected to the freezing air duct.

[0012] It can be understood that, through the above-mentioned structural arrangement, the freezing air duct can provide cold air to the refrigeration air supply duct. At the same time, the air intake of the refrigeration air supply duct is not affected by the refrigeration fan in the freezing air duct.

[0013] In one embodiment, the refrigerator further comprises a freezing chamber, wherein the freezing chamber and the refrigerating chamber are arranged at intervals along the width direction of the refrigerator;

[0014] Wherein, the refrigeration air supply duct is arranged in the foaming layer between the freezing chamber and the refrigeration chamber.

[0015] It can be understood that, through the above-mentioned structural arrangement, the air supply path of the refrigerated air supply duct can be shortened, and at the same time, the foaming layer can be used to insulate the cold air transported by the refrigerated air supply duct.

[0016] In one embodiment, the refrigerated air supply duct includes a first air supply duct and a second air supply duct that are interconnected, the air inlet is arranged on the first air supply duct, and the first air supply duct extends obliquely upward relative to the air inlet;

[0017] The plurality of air outlets are arranged on the second air supply duct, and the second air supply duct extends along a height direction of the refrigerator.

[0018] In one embodiment, the portion where the first air supply duct and the second air supply duct communicate with each other is set as an air supply connection port;

[0019] The plurality of air outlets are arranged on upper and lower sides of the air supply connection port in the height direction of the refrigerator.

[0020] In one of the embodiments, an air supply pipe is pre-buried in the foaming layer, and the air supply pipe forms the refrigerated air supply duct inwardly.

[0021] In one embodiment, the freezing air duct includes a lower freezing air duct, and a freezing fan is arranged in the lower freezing air duct of the refrigerator.

[0022] Wherein, the air inlet is arranged outside the area where the freezing fan is located in the lower freezing air duct and is communicated with the lower freezing air duct.

[0023] In one embodiment, along the height direction of the refrigerator, the air outlet is arranged at the top of the corresponding shelf space.

[0024] It can be understood that by utilizing the physical property of cold air sinking, the refrigeration effect on the shelf space when the air outlet discharges air can be improved.

[0025] In one embodiment, along the height direction of the refrigerator, the temperature sensor is arranged at the top of the corresponding shelf space.

[0026] It can be understood that by utilizing the physical property of cold air sinking, the accuracy of the temperature sensor for detecting the overall space temperature of the shelf space can be improved.

[0027] In one embodiment, the refrigerator further includes a refrigerating return air duct, which is arranged at the bottom of the refrigerating chamber and is communicated with a plurality of the shelf spaces respectively.

[0028] It can be understood that by using the refrigerating return air duct located at the bottom of the refrigerating chamber for air return, the air return of a plurality of shelf spaces can be carried out by using the same refrigerating return air duct, so as to meet the use requirements of refrigeration of the refrigerating chamber.

[0029] Due to the application of the above technical solution, the present utility model has the following advantages compared with the prior art:

[0030] For the refrigerator claimed in the present application, by respectively arranging air outlets in each layer of shelf space in the refrigerating chamber and assembling a separately operating refrigerating fan at each air outlet, the refrigerating fan controls the air outlet to discharge air according to the feedback signal generated after detecting the temperature by the temperature sensor in the corresponding shelf space, so as to realize independent and accurate temperature control of each layer of shelf space in the refrigerator and refrigerate on demand; at the same time, by using the refrigerating fan in the refrigerating air supply duct to control the air outlet, the refrigerating air damper can be saved, thereby improving the usable space of the refrigerating chamber. Description of the Drawings

[0031] To more clearly illustrate the technical solutions in the embodiments of the present application or in the prior art, the following will briefly introduce the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other accompanying drawings can be obtained based on these drawings.

[0032] Figure 1 This is the front view of the refrigerator provided by the present application.

[0033] Figure 2 For Figure 1 The enlarged view of part A in

[0034] Figure 3 This is the side view of the refrigerator provided by the present application.

[0035] Figure 4 This is the rear view of the refrigerator provided by the present application.

[0036] Reference numerals: 100, refrigerator; 10, refrigerating chamber; 11, shelf space; 12, shelf board; 20, refrigerating air supply duct; 210, air supply pipe; 21, air outlet; 22, air inlet; 23, first air supply duct; 24, second air supply duct; 25, air supply connection port; 30, refrigerating fan; 40, freezing duct; 41, lower freezing duct; 42, upper freezing duct; 50, freezer; 60, refrigerating air return duct; 101, temperature sensor; 102, freezing fan; 103, freezing evaporator; 110, foaming layer. Detailed implementation manners

[0037] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present utility model.

[0038] It should be noted that when an element is referred to as being "provided on" another element, it can be directly provided on the other element or there may also be an intermediate element. When an element is considered to be "provided on" another element, it can be directly provided on the other element or there may be an intermediate element at the same time. When an element is considered to be "fixed to" another element, it can be directly fixed to the other element or there may be an intermediate element at the same time.

[0039] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this utility model belongs. The terms used in the specification of this utility model are only for the purpose of describing specific embodiments and are not intended to limit this utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0040] The refrigerator 100 for which this application claims protection specifically refers to a double-door refrigerator.

[0041] As Figures 1 to 3 shown, the refrigerator 100 provided by this application includes a refrigerating chamber 10, a refrigerating air supply duct 20, and a plurality of refrigerating fans 30. The refrigerating chamber 10 has a multi-layer shelf space 11. Temperature sensors 101 are respectively installed in each layer of the shelf space 11 of the refrigerating chamber 10. The temperature sensors 101 can detect the temperature in the corresponding shelf space 11 and generate feedback signals. The refrigerating air supply duct 20 is communicated with the refrigerating chamber 10. Air outlets 21 are respectively opened in each layer of the shelf space 11 of the refrigerating air supply duct 20, and the plurality of air outlets 21 are independent of each other. The plurality of refrigerating fans 30 correspond to the plurality of air outlets 21 one by one. The refrigerating fans 30 are arranged in the corresponding air outlets 21, and the refrigerating fans 30 can be turned on or off according to the feedback signals generated by the corresponding temperature sensors 101 to control the air outlet or closing of the corresponding air outlets 21. That is to say, the refrigerating air supply duct 20 can control the air outlet of the corresponding air outlet 21 by turning on the refrigerating fan 30 and refrigerate the corresponding shelf space 11. Correspondingly, when the refrigerating fan 30 is turned off, the corresponding air outlet 21 is closed and the refrigeration of the corresponding shelf space 11 is stopped. Here, the number of the shelf spaces 11 is four, and can be specifically partitioned by arranging shelf boards 12 in the refrigerating chamber 10.

[0042] As can be seen from the above, the refrigerator 100 of this application realizes independent and precise temperature control and on-demand refrigeration for each layer of the shelf space 11 in the refrigerator 100 by respectively arranging air outlets 21 in each layer of the shelf space 11 of the refrigerating chamber 10 and installing independent refrigerating fans 30 in each air outlet 21, and the refrigerating fans 30 control the air outlet of the air outlets 21 according to the feedback signals generated after detecting the temperature by the temperature sensors 101 in the corresponding shelf spaces 11. At the same time, the refrigerating fans 30 in the refrigerating air supply duct 20 are used to control the air outlet, so that the refrigerating air damper can be saved, thereby increasing the usable space of the refrigerating chamber 10.

[0043] It should be noted that the feedback signals generated after the temperature sensors 101 detect the temperature can be first transmitted to a control board (not shown in the figure), and the control board then correspondingly controls the opening or closing of the refrigerating fans 30 according to the feedback signals.

[0044] AsFigure 1 As shown, along the height direction of the refrigerator 100, the temperature sensor 101 is disposed at the top of the corresponding shelf space 11. In this way, by utilizing the physical property that cold air sinks, the accuracy of the temperature sensor 101 in detecting the overall space temperature of the shelf space 11 can be improved. Here, the temperature sensor 101 is disposed on one side of the shelf space 11 away from the corresponding air outlet 21.

[0045] As Figures 1 to 3 shown, along the height direction of the refrigerator 100, the air outlet 21 is disposed at the top of the corresponding shelf space 11. In this way, by utilizing the physical property that cold air sinks, the refrigeration effect of the air outlet 21 when blowing air into the shelf space 11 can be improved, and the entire shelf space 11 can be refrigerated. It can be understood that in other embodiments, the air outlet 21 can also be disposed in the middle, bottom, etc. of the shelf space 11, which will not be elaborated here.

[0046] As Figure 1 shown, the refrigerator 100 further includes a freezing air duct 40, and the refrigerating air supply duct 20 is independently disposed relative to the freezing air duct 40; wherein, the refrigerating air supply duct 20 has an air inlet 22, and the air inlet 22 is disposed outside the freezing air duct 40 and communicates with the freezing air duct 40. That is to say, the refrigerator 100 can use the freezing air duct 40 to supply cold air to the refrigerating air supply duct 20. Since the refrigerating air supply duct is independently disposed relative to the freezing air duct 40, the air inlet of the refrigerating air supply duct 20 can be not affected by the freezing fan 102 in the freezing air duct 40. Here, the freezing air duct 40 includes a lower freezing air duct 41, and the refrigerator 100 is provided with a freezing fan 102 in the lower freezing air duct 41. Among them, the air inlet 22 is disposed outside the area where the freezing fan 102 is located in the lower freezing air duct 41 and communicates with the lower freezing air duct 41.

[0047] It should be noted that a freezing evaporator 103 is installed in the lower freezing air duct 41, and the freezing evaporator 103 can generate cold air when working; in addition, the freezing air duct 40 further includes an upper freezing air duct 42, and the upper freezing air duct 42 is disposed above the lower freezing air duct 41. Moreover, when the freezing fan 102 works, it can blow the cold air generated by the freezing evaporator 103 when working into the upper freezing air duct 42.

[0048] As Figure 1 、 Figure 2 and Figure 4As shown, the refrigerator 100 further includes a freezer compartment 50, and the freezer compartment 50 is arranged at an interval from the refrigerating compartment 10 in the width direction of the refrigerator 100; wherein, the refrigerating air supply duct 20 is arranged in the foaming layer 110 between the freezer compartment 50 and the refrigerating compartment 10. In this way, the air supply path of the refrigerating air supply duct 20 can be shortened. At the same time, the cold air conveyed by the refrigerating air supply duct 20 can be insulated by the foaming layer 110. Here, an air supply pipe 210 is embedded in the foaming layer 110, and the air supply pipe 210 forms the refrigerating air supply duct 20 inwardly.

[0049] Preferably, as Figure 2 , Figure 3 shown, the refrigerating air supply duct 20 includes a first air supply duct 23 and a second air supply duct 24 that are connected to each other. The air inlet 22 is arranged on the first air supply duct 23, and the first air supply duct 23 extends obliquely upward relative to the air inlet 22; a plurality of air outlets 21 are arranged on the second air supply duct 24, and the second air supply duct 24 extends along the height direction of the refrigerator 100. In this way, the cold air in the freezing lower air duct 41 can be introduced into the second air supply duct 24 through the first air supply duct 23, and then, according to the opening and closing of the refrigerating fan 30 in the air outlet 21 on the second air supply duct 24, the cold air supply to the corresponding shelf space 11 can be finally controlled.

[0050] As Figure 2 , Figure 3 shown, the connected part between the first air supply duct 23 and the second air supply duct 24 is set as the air supply connection port 25, and a plurality of air outlets 21 are arranged on the upper and lower sides of the air supply connection port 25 in the height direction of the refrigerator 100. That is to say, the second air supply duct 24 can extend upward and downward relative to the air supply connection port 25. Here, one air outlet 21 is arranged at the position of the second air supply duct 24 below the air supply connection port 25, and three air outlets 21 are arranged at the position of the second air supply duct 24 above the air supply connection port 25.

[0051] In addition, the refrigerator 100 of the present application further includes a refrigerating air return duct 60, and the refrigerating air return duct 60 is arranged at the bottom of the refrigerating compartment 10 and is respectively connected to a plurality of shelf spaces 11. In this way, the refrigerating air return duct 60 located at the bottom of the refrigerating compartment 10 is used for air return, so that the plurality of shelf spaces 11 can use the same refrigerating air return duct 60 for air return, which can meet the use requirements of refrigeration in the refrigerating compartment 10.

[0052] The technical features of the above embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0053] Those of ordinary skill in the art should recognize that the above embodiments are only used to illustrate the present utility model, rather than to limit the present utility model. As long as appropriate changes and variations made to the above embodiments fall within the scope of the spirit of the present utility model, they fall within the scope of protection required by the present utility model.

Claims

1. A refrigerator, characterized in that: The refrigerator (100) comprises: A refrigerating chamber (10) having multiple layers of shelf space (11), wherein each layer of the shelf space (11) of the refrigerating chamber (10) is equipped with a temperature sensor (101), wherein the temperature sensor (101) is capable of detecting the temperature in the corresponding shelf space (11) and generating a feedback signal; A refrigerated air supply duct (20) is connected to the refrigerating chamber (10), and the refrigerated air supply duct (20) is provided with an air outlet (21) in each layer of the shelf space (11), and the plurality of air outlets (21) are independent of each other; A plurality of refrigeration fans (30) correspond one-to-one to the plurality of air outlets (21); the refrigeration fans (30) are arranged in the corresponding air outlets (21); and the refrigeration fans (30) can be turned on or off according to the feedback signal generated by the corresponding temperature sensor (101) to control the corresponding air outlet (21) to discharge air or to close.

2. The refrigerator according to claim 1, characterized in that: The refrigerator (100) further comprises a freezing air duct (40), and the refrigeration air supply duct (20) is independently arranged relative to the freezing air duct (40); Wherein, the refrigerated air supply duct (20) has an air inlet (22), and the air inlet (22) is arranged on the outside of the freezing air duct (40) and is connected to the freezing air duct (40).

3. The refrigerator according to claim 2, characterized in that: The refrigerator (100) further comprises a freezing chamber (50), wherein the freezing chamber (50) and the refrigerating chamber (10) are arranged at an interval along the width direction of the refrigerator (100); Wherein, the refrigeration air supply duct (20) is arranged in the foaming layer (110) between the freezing chamber (50) and the refrigeration chamber (10).

4. The refrigerator according to claim 3, characterized in that: The refrigerated air supply duct (20) comprises a first air supply duct (23) and a second air supply duct (24) which are interconnected, the air inlet (22) is arranged on the first air supply duct (23), and the first air supply duct (23) extends obliquely upward relative to the air inlet (22); The plurality of air outlets (21) are arranged on the second air supply duct (24), and the second air supply duct (24) extends along the height direction of the refrigerator (100).

5. The refrigerator according to claim 4, characterized in that: The portion where the first air supply duct (23) and the second air supply duct (24) communicate with each other is set as an air supply connection port (25); The plurality of air outlets (21) are arranged on the upper and lower sides of the air supply connection port (25) in the height direction of the refrigerator (100).

6. The refrigerator according to claim 3, characterized in that: An air supply pipe (210) is pre-buried in the foaming layer (110), and the refrigerated air supply duct (20) is formed inwardly of the air supply pipe (210).

7. The refrigerator according to claim 2, characterized in that: The freezing air duct (40) includes a freezing lower air duct (41), and the refrigerator (100) is provided with a freezing fan (102) in the freezing lower air duct (41); Wherein, the air inlet (22) is arranged on the outside of the freezing lower air duct (41) in the area where the freezing fan (102) is located, and is connected to the freezing lower air duct (41).

8. The refrigerator according to claim 1, characterized in that: Along the height direction of the refrigerator (100), the air outlet (21) is arranged at the top of the corresponding shelf space.

9. The refrigerator according to claim 1, characterized in that: Along the height direction of the refrigerator (100), the temperature sensor (101) is arranged at the top of the corresponding shelf space (11).

10. The refrigerator according to claim 1, characterized in that: The refrigerator (100) further comprises a refrigeration return air duct (60), wherein the refrigeration return air duct (60) is arranged at the bottom of the refrigeration chamber (10) and is respectively connected to the plurality of shelf spaces (11).

Images