CN109974382B

CN109974382B - Refrigerator

Info

Publication number: CN109974382B
Application number: CN201711445068.0A
Authority: CN
Inventors: 章南威; 孙云芳; 黄珊珊
Original assignee: BSH Electrical Appliances Jiangsu Co Ltd; BSH Hausgeraete GmbH
Current assignee: BSH Electrical Appliances Jiangsu Co Ltd; BSH Hausgeraete GmbH
Priority date: 2017-12-27
Filing date: 2017-12-27
Publication date: 2022-11-15
Anticipated expiration: 2037-12-27
Also published as: CN109974382A

Abstract

The embodiment of the invention relates to a refrigerator. The refrigerator comprises a door (1), the door (1) comprising: a display device (2); and a handle case (15) having a handle groove (3). According to the embodiment of the invention, the door further comprises a heat dissipation air duct (5) used for discharging heat generated by the display device (2) out of the door (1), wherein the handle shell (15) is provided with a first ventilation opening (31) communicated with the heat dissipation air duct (5) and the handle groove (3).

Description

Refrigerator

[ technical field ]

The present invention relates to a refrigerator, and more particularly, to a refrigerator having a display device.

[ background Art ]

A widely known function of a refrigerator is to provide a temperature environment for refrigeration/freezing to store foods. It has also become a common option for the door of a refrigerator to provide a display device as a user input and/or output interface. The heat generated by the display device should be considered.

[ summary of the invention ]

An object of an embodiment of the present invention is to provide an improved refrigerator, and more particularly, to provide a refrigerator which facilitates heat dissipation of a display device.

The object of the invention is achieved by the features of the respective independent claims. Preferred embodiments of the invention are the subject of the figures, the description and the dependent claims.

An aspect of an embodiment of the present invention relates to a refrigerator. The refrigerator includes a door; and a display device mounted to the door; the door includes a handle slot and a handle slot wall defining the handle slot; the door is characterized in that the door is provided with a heat dissipation air duct used for discharging heat generated by the display device to the outside of the door, and a first ventilation opening communicated with the heat dissipation air duct and the handle groove is formed in the wall of the handle groove.

The first ventilation opening (such as the air inlet or the air outlet) of the heat dissipation air duct is arranged on the wall of the handle groove to communicate the heat dissipation air duct with the handle groove, so that heat generated by the display device can be discharged from the handle groove, the first ventilation opening can be hidden at an unusual position, and air in the heat dissipation air duct can be prevented from directly flowing to sensitive parts such as the face of a user.

Other features which are considered as characteristic for the invention, individually or in combination with other features, are set forth in the following appended claims.

In one possible embodiment, the first ventilation opening is an air inlet for introducing air from the outside into the heat dissipation air duct. Thus, the temperature in the handle slot is substantially the same as the ambient temperature, and the user does not experience a significantly higher temperature than room temperature when the user's finger is inserted into the handle slot.

In one possible embodiment, the handle slot wall comprises a bottom wall facing the handle slot entrance, the first ventilation opening being located in the bottom wall. This further facilitates the ventilation of the handle groove.

In one possible embodiment, a plurality of the first vents are included and are arranged at one end on the bottom wall.

In one possible embodiment, the door includes a second ventilation opening communicating the heat dissipation duct with the outside, the second ventilation opening being located at a second side perpendicular to the first side of the door where the handle groove is located. The second ventilation opening is provided at a lateral side of the door, for example, when the handle slot is provided at a longitudinal side of the door; or when the handle groove is arranged at the transverse side of the door, the second ventilation opening is arranged at the longitudinal side of the door. This is advantageous in increasing the length of the heat-radiating channel and the channel for heat exchange with the display device, thereby facilitating enhancement of the heat-radiating effect of the display device.

In one possible embodiment, the mounting cavity and the handle groove are arranged at intervals, and the heat dissipation air duct comprises a connecting channel between the mounting cavity and the first ventilation opening.

In one possible embodiment, the connecting channel is offset rearward from a center face of the handle slot in a front-to-rear direction along the door. This facilitates increasing the space between the connecting channel and the front wall of the door, thereby facilitating the foaming liquid to enter between the front boundary wall of the connecting channel and the front wall of the door during the foaming process of the door.

In one possible embodiment, the display device includes a display housing having a mounting cavity to receive the display device and a handle housing located within the handle housing, the display housing being connected to the handle housing.

In one possible embodiment, the handle housing includes a first connecting portion located outside the handle slot, the display housing has a second connecting portion, the first connecting portion and the second connecting portion are connected, and the first connecting portion and/or the second connecting portion form a connecting channel between the mounting cavity and the first vent.

In a possible embodiment, the second connecting portion is located outside the mounting cavity and extends towards the handle housing.

In one possible embodiment, the display housing comprises a first cavity wall connected with the second connecting portion and a second cavity wall substantially perpendicular to the first cavity wall, the first cavity wall is provided with a first wall hole close to and communicated with the first ventilation opening, the second cavity wall is provided with a second wall hole close to and communicated with the second ventilation opening of the heat dissipation channel.

In one possible embodiment, the display housing has a spacer portion abutting against the rear side of the display device, and an abutting surface of the spacer portion abutting against the display device and a bottom surface of the mounting cavity have a space to form a part of a heat dissipation air duct between the display device and a bottom wall of the display housing.

In one possible embodiment, at least a portion of the handle housing and the display housing are integrally formed.

In one possible embodiment, the door comprises a loudspeaker located in the door, and the wall of the handle groove is provided with a sound outlet hole communicated with the handle groove. The sound holes are formed in the wall of the handle groove, so that sound can be transmitted out through the sound holes in the handle groove, the sound holes are hidden at unusual positions, and the refrigerator can be designed more simply and cleanly; on the other hand, since the sound outlet hole is provided in the wall of the handle groove, it is possible to avoid the limitation of the sound outlet hole to the material used for the member forming the front surface of the refrigerator door.

Another aspect of the present invention relates to a refrigerator including a door, the door including: a display device; and a handle housing having a handle slot; the handle is characterized by further comprising a heat dissipation air duct for discharging heat generated by the display device out of the door, wherein the handle shell is provided with a first ventilation opening communicated with the heat dissipation air duct and the handle groove.

The construction of the present invention and other objects and advantages thereof will be more apparent from the following description of the preferred embodiments taken in conjunction with the accompanying drawings.

[ description of the drawings ]

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. Wherein the content of the first and second substances,

fig. 1 is a schematic partial perspective view of a door of a refrigerator according to a preferred embodiment of the present invention;

fig. 2 is a schematic exploded view of a door of a refrigerator according to a preferred embodiment of the present invention;

fig. 3 is a partially assembled view of a door of a refrigerator according to a preferred embodiment of the present invention;

fig. 4 is a partially assembled view of a door of a refrigerator according to a preferred embodiment of the present invention;

FIG. 5 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;

FIG. 6 is an enlarged partial view of the upper portion of FIG. 5;

FIG. 7 is an enlarged view of a portion of the lower left portion of FIG. 5;

FIG. 8 is a cross-sectional view taken along line D-D of FIG. 1;

fig. 9 is a schematic partially exploded view of a door of a refrigerator according to a preferred embodiment of the present invention.

[ detailed description of the invention ]

A refrigerator according to an embodiment of the present invention may include a main body including a storage chamber (not shown) and a door 1 for closing the storage chamber. The refrigerator according to the embodiment of the present invention may have different configurations, and may be, for example, a side-by-side refrigerator, a multi-door refrigerator, a two-door bottom freezer refrigerator, or a three-door bottom freezer refrigerator, which have different configurations.

As shown in fig. 1 to 4, the door 1 includes a display device 2. The display device 2 may be used to display the operating state of the refrigerator, set parameters, and/or display video/photos/web pages/television programs, etc. The display device may display the operation state and/or setting parameters of the refrigerator by, for example, illuminated numerals, letters, and/or figures. The display device 2 may also include, for example, a display screen (e.g., a liquid crystal display screen, a TFT display screen, or a television). The display device 2 may also include a control module.

The door 1 includes a mounting cavity 140 to mount the display device 2. In the present embodiment, the installation cavity 140 is forwardly exposed to the front surface of the door 1. It should be understood, however, that the invention should not be limited thereto, but that other embodiments are possible, for example, the mounting cavity may be located entirely on the rear side of the front panel of the door with an opening to one side of the door 1.

The door 1 includes a handle groove 3 and a handle groove wall 30 defining the handle groove 3, and fingers of a user may be inserted into the handle groove 3 to grasp the door 1 to pull the door 1 open.

In the present embodiment, the handle groove 3 is provided at a longitudinal side of the door 1. The handle groove wall 30 includes a bottom wall 301 facing the entrance of the handle groove 3, a front groove wall 302, a rear groove wall 303 opposite the front groove wall 302, and upper and lower groove walls 304.

It should be understood that in further embodiments, the handle slot 3 may also be located on a lateral side of the door 1 (e.g., an upper or lower side of the door).

The door 1 includes a heat-dissipating duct 5 to discharge heat generated from the display device 2 to the outside of the door 1.

In the present embodiment, the handle groove wall 30 is provided with a first ventilation opening 31 for communicating the heat dissipation air duct 5 and the handle groove 3.

In the present embodiment, the first ventilation opening 31 is provided in the bottom wall 301 facing the entrance of the handle groove 3.

The handle slot wall 30 may be provided with a plurality of first ventilation openings 31, and these first ventilation openings 31 are distributed at one end of the bottom wall 301. In this embodiment, the first ventilation openings 31 are distributed at the lower end of the bottom wall 301.

The door 1 includes a second ventilation opening 51 communicating the heat dissipation duct 5 with the outside. The second ventilation opening 51 is located at a lateral side of the door, perpendicular to a longitudinal side of the door 1 where the handle groove 3 is provided. The two ends of the heat dissipation duct 5 communicating with the outside are distributed on the two vertical sides of the door 1, which is advantageous to increase the contact/cooling path between the heat dissipation duct 5 and the display device 2. In the present embodiment, the second ventilation opening 51 is located at the top wall of the door 1 to increase the distance between the second ventilation opening 51 and the first ventilation opening 31 located at the lower end of the bottom wall 301 of the handle groove 3. It is understood that when the first ventilation opening 31 is located at the upper end of the handle groove 301, the second ventilation opening 51 may be provided at the bottom wall of the door 1.

In one embodiment, the display device 2 may dissipate heat through the natural flow of air. For example, according to the air movement principle, the warmer air moves upward and can flow out from the second ventilation opening 51 located at the upper portion of the door 1 (also the upper end of the heat dissipation path 5), and the outside air can flow into the heat dissipation path 5 from the first ventilation opening 31 located below. Therefore, the first ventilation opening 31 is an air inlet for introducing air from the outside into the heat dissipation air duct 5. The second ventilation opening 51 is an air outlet of the heat dissipation air duct 5.

In another embodiment, a fan may be disposed in the door 1 to accelerate the heat dissipation of the display device 2 and control the air flow direction by the fan, for example, the first ventilation opening 31 is an air inlet, the second ventilation opening 51 is an air outlet, or vice versa.

As shown in fig. 3 to 6, the handle groove 3 and the mounting cavity 140 are spaced apart. The heat dissipation duct 5 includes a connection passage 210 between the installation cavity 140 and the first vent 31. External air may enter the installation cavity 140 after entering the connection passage 210 from the first ventilation opening 31. In the present embodiment, the connection passage 210 is connected to the lower end of the bottom wall 301.

In the present embodiment, a spacer 146 is disposed in the mounting cavity 140 to abut against the rear side of the display device 2, and an abutting surface of the spacer 146 abutting against the display device 2 has a gap with the bottom surface of the mounting cavity 140, so as to form a part of the heat dissipating air duct 5 on the back side of the display device 2. The outside air flows along the rear side of the display device 2 from the installation cavity 140, and flows upward toward the second vent 51.

As shown in fig. 5, the air may flow out of the door through the second air port 51 after passing through the installation cavity 140, through the

passages

52, 53, 54. The general flow direction of the air in the heat dissipation channel 5 can be referred to by the arrow a.

As shown in fig. 2, 5, and 6, the refrigerator includes a speaker assembly 19. The speaker assembly 19 includes a speaker 191 connected to the display device 2 and a carrier 192 for carrying the speaker 191.

The speaker 191 is located inside the door 1. In this embodiment, the speaker 191 is located between the handle slot 3 and the mounting cavity 140.

The handle groove wall 30 has a sound outlet hole 32 exposed to the handle groove 3, and the sound emitted from the speaker 191 can be transmitted to the outside of the door 1 through the sound outlet hole 32.

In the present embodiment, the sound outlet hole 32 is provided on the bottom wall 301 of the handle tank wall 30. The sound outlet hole 32 communicates the handle groove 3 with the space where the speaker assembly 19 is located.

In this embodiment, the handle groove wall 30 is provided with a plurality of sound outlet holes 32. These sound outlet holes 32 may be distributed at the other end of the bottom wall 301 away from the first vent 31, in consideration of the strength of the bottom wall 301.

In the embodiment of the present invention, a plurality of decoration holes 33 are further provided between the first ventilation opening 31 and the sound outlet hole 32, wherein the decoration holes 33 are blind holes. The first ventilation holes 31, the sound outlet holes 32, and the decoration holes 33 may be arranged in a display.

The door 1 may include a mounting chamber 220 between the handle slot 3 and the mounting cavity 140 for mounting the speaker assembly 19. The carrier 192 is inserted into the mounting chamber 220. The longitudinal side wall 141 of the display housing 14 may be provided with a third wall aperture 145 to facilitate insertion of the speaker assembly 19 into the mounting chamber 220 via the third wall aperture 145.

The carrier 192 can include a pair of mounting legs 193, the mounting legs 193 having snaps 194 for snapping into engagement with the sidewalls of the mounting chamber 220 to secure the carrier 192 within the mounting chamber 220.

In order to prevent air of the heat dissipation duct 5 from entering the installation chamber 220, after the speaker assembly 19 is installed in the installation chamber 220, the installation chamber 220 and the heat dissipation duct 5 may be isolated by an isolation member (not shown). The third opening 145 is closed, for example by a sponge.

As shown in fig. 1 to 9, the door 1 may include a door panel 11, an inner container 12, and an end cap 13 connecting the door panel 11 and the inner container 12. The door 1 is filled with a heat insulating material 10.

The door 1 further includes a handle housing 15 provided with a handle groove 3 and a display housing 14 to form a mounting cavity 140. The display housing 14 is attached to the door panel 11.

The front plate portion of the door panel 11 has a first opening 110 to expose the installation cavity 140 forward. The door panel 11 may be provided with a connection flange 112 bent backward along an edge of the first opening 110 to connect the display housing 14.

The handle case 15 is attached to a longitudinal side of the door panel 11. The door panel 11 has a second opening 111 to expose the handle slot 3. In the present embodiment, the handle groove wall 30 is formed by the handle housing 15.

The upper end of the display housing 14 is connected to the end cap 13. The upper side wall 142 of the display housing 14 has a first wall hole 144 communicating with the second ventilation opening 51. The longitudinal side wall 141 of the display housing 14 is provided with a second wall hole 143 communicating with the first ventilation opening 31.

The display housing 14 may also include a positioning structure 60 for attaching a camera module (not shown) located on the rear side of the door 1. The positioning structure 60 is located outside the mounting cavity 140. A connecting structure for the camera module connection can be provided in the door 1, which connecting structure is connected to the positioning structure 60 of the display housing 14, whereby the connecting structure can be positioned better.

The display housing 14 and the handle housing 15 are non-detachably joined together with the insulating material 10. Display housing 14 and handle housing 15 are connected.

The display housing 14 and the handle housing 15 include a first connection bridge 21 between the handle groove 3 and the mounting cavity 140. The connecting channel 210 is located in the first connecting bridge 21.

The display housing 14 and the handle housing 15 include a second connection bridge 22 between the handle groove 3 and the mounting cavity 140. The installation chamber 220 is located within the second connecting bridge 22. The first connection bridge 21 and the second connection bridge 22 may have a space therebetween.

In this embodiment, the handle housing 15 and the display housing 14 are separately manufactured and then joined together. For this, the handle case 15 includes a first connection portion 211 located outside the handle groove 3, and the display case 14 has a second connection portion 212, the first connection portion 211 and the second connection portion 212 being connected to form the first connection bridge 21. The second connecting portion 212 may also be located outside the mounting cavity 140 and extend toward the handle housing 15.

The handle case 15 includes a third connection portion 221 outside the handle groove 3, and the display case 14 has a fourth connection portion 222, and the third connection portion 221 and the fourth connection portion 222 are connected to form the second connection bridge 22. The fourth connecting portion 222 may also be located outside the mounting cavity 140 and extend toward the handle housing 15. The third connection portion 221 and the fourth connection portion 222 together form a mounting chamber 220 to accommodate the speaker assembly 19.

In the present embodiment, the first connection portion 211/third connection portion 221 and the second connection portion 212/fourth connection portion 222 are both tubular to form respective portions of the connection passage 210/installation chamber 220, respectively. In another embodiment, the connection channel 210/mounting chamber 220 is mainly or substantially formed by the first connection 211/third connection 221 or the second connection 212/fourth connection 222. In yet another embodiment, the first/third and second/fourth connections form respective walls of the connection channel 210/mounting chamber 220, respectively.

As shown in fig. 8, in order to increase the gap between the first connecting portion 211/third connecting portion 221 and the second connecting portion 212 and the fourth connecting portion 222 and the door panel 11 to facilitate the foaming material to enter between the first connecting portion 211/third connecting portion 221, the second connecting portion 212/fourth connecting portion 222 and the door panel 11 in the foaming process of the door 1, the first connecting portion 211/third connecting portion 221 is connected to the handle housing 15 with a rearward bias, and the first connecting portion 211 and the second connecting portion 221 are disposed rearward with respect to the center plane X of the handle housing 15 in the front-rear direction. The connecting channel 210/mounting chamber 210 is also biased rearwardly relative to the handle slot 3. Accordingly, the first ventilation openings 31/sound outlet holes 32 are also disposed offset rearward with respect to the center line (located within the center plane X) of the bottom wall 301 of the handle slot 3 in the front-rear direction. Specifically, the first ventilation opening 31/sound outlet hole 32 is located rearward of the center plane X of the handle groove 3.

The spacer 146 may protrude from the bottom wall of the display housing 14 toward the front of the door 1. The spacer 146 may also be attached to a sidewall of the display housing 14.

In the above embodiment, the handle case 15 and the display case 14 are separately manufactured and form the handle groove 3 and the mounting cavity 140, respectively. It is to be understood that the invention is not limited to the following, but may be embodied in various forms. For example, at least a portion of the handle housing 15 may be integrally formed with at least a portion of the display housing 14, such as a body portion of the handle housing (e.g., forming at least a portion of a handle slot wall) may be integrally formed with the display housing 14.

Referring to fig. 2, 7 and 9, an electrical component 20 is provided on the top of the door 1. The electrical assembly 20 may include at least one circuit board and/or other electrical and electronic devices. In this embodiment, the electrical component 20 may include a control module for controlling a camera or a communication module or a control and/or display module for communicating with the outside.

The end cap 13 includes a connecting neck 131 extending downwardly for connection to the display housing 14. The upper end of the display housing 14 has a fifth connecting portion 147 protruding out of the mounting cavity 140. The fifth connecting portion 147 is fixedly connected to the connecting neck portion 131, whereby the display housing 14 and the cap 13 are connected.

The connecting neck 131 has a hollow structure and has an inner space 132. The air behind the display device 2 enters the fifth connecting portion 147 through the third wall hole 146, flows into the inner space 132 of the connecting neck portion 131, and finally flows toward the second air vent 51.

The door 1 includes a receiving case 16 installed in the inner space 132. The accommodating case 16 is connected to the end cap 13 along the upper opening of the inner space 132. The receiving case 16 has a receiving chamber 161 to receive the electrical component 20.

The accommodation chamber 161 is opened upward, and the door 1 includes a cover 17 attached to the accommodation case 16 to close the accommodation chamber 161. In the present embodiment, the electric component 20 is fixed to the inside of the cover 17 facing the accommodation chamber 161. A sealing strip (not shown) may be provided between the cover 17 and the receiving case 16 to prevent external liquid/humid air from entering the receiving chamber 161.

The accommodating case 16 includes an extension portion 162 located outside the accommodating chamber 16. The extension 162 is provided with a first fixing hole 163 to fix the accommodating case 16 to the end cover 13. The extension 162 may also be provided with a second fixing hole 164 to fix the cover 17 to the receiving case 16.

Extension 162 is located at one end of containment housing 16. The second ventilation opening 51 is provided in the extension portion 162. In the present embodiment, the plurality of second ventilation openings 51 are located between the first mounting hole 163 and the opening of the accommodating chamber 161, and therefore the second ventilation openings 51 and the accommodating chamber 161 are staggered in the direction in which air flows out/in from the second ventilation openings 51.

The accommodating chamber 161 is isolated from the heat dissipation duct 5 to prevent hot air from entering the accommodating chamber 161. The wire passing hole 165 of the receiving chamber 161 exposed to the heat dissipation duct 5 may be closed by means of a tape or sponge.

After flowing from the inside of the display housing 14 to the inner space 132, the air flows laterally along the passage 54 located below the accommodating housing 16 to the gap G between the end cover 13 and the end of the accommodating housing 16 provided with the extension 162, and flows out through the second ventilation opening 51.

A baffle chamber 510 and a baffle opening 511 on the sidewall of the baffle chamber 510 are provided right below the second ventilation opening 51. The diversion opening 511 communicates with the outside of the door 1. When the liquid enters the diversion chamber 510 through the second ventilation opening 51 carelessly, the liquid can be discharged out of the door 1 through the diversion opening 511. So that liquid is prevented from entering the display housing 14.

The various embodiments described in connection with fig. 1-9 may be combined with each other in any given way to achieve the advantages of the invention. In addition, the present invention is not limited to the illustrated embodiments, and other means than those shown may be generally used as long as the same effects are obtained.

Claims

1. A refrigerator comprising a door (1):

the door (1) has a mounting cavity (140);

a display device (2) mounted in the mounting cavity (140);

the door (1) comprises a handle slot (3) and a handle slot wall (30) defining the handle slot (3);

the door (1) is provided with a heat dissipation air duct (5) for discharging heat generated by the display device (2) to the outside of the door (1), the handle groove wall (30) is provided with a first ventilation opening (31) for communicating the heat dissipation air duct (5) with the handle groove (3), the installation cavity (140) and the handle groove (3) are arranged at intervals, the handle groove wall (30) comprises a bottom wall (301) facing an inlet of the handle groove (3), and the first ventilation opening (31) is positioned on the bottom wall (301).

2. The refrigerator according to claim 1, wherein the first ventilation opening (31) is an air inlet for introducing air from the outside to the heat dissipation air duct (5).

3. The refrigerator according to claim 1 or 2, characterized in that it comprises a plurality of said first ventilation openings (31), said plurality of first ventilation openings (31) being distributed at one end of said bottom wall (301).

4. The refrigerator according to claim 1, wherein the door (1) includes a second ventilation opening (51) communicating the heat dissipation duct (5) with the outside, the second ventilation opening (51) being located at a second side perpendicular to the first side of the door (1) where the handle groove (3) is located.

5. The refrigerator according to claim 1, wherein the heat dissipation duct (5) includes a connection passage (210) between the installation cavity (140) and the first vent (31).

6. The refrigerator as claimed in claim 5, wherein the connection passage (210) is connected to one end of the handle groove wall (30).

7. The refrigerator of claim 5, wherein the connecting channel (210) is biased rearward with respect to a center plane (X) of the handle groove (3) in a front-rear direction along the door (1).

8. The refrigerator of claim 1, comprising a display housing (14) and a handle housing (15), the display housing (14) having a mounting cavity (140) for receiving the display device (2), the handle slot (3) being located in the handle housing (15).

9. The refrigerator according to claim 8, wherein the handle housing (15) comprises a first connection portion (211) located outside the handle groove (3), the display housing (14) has a second connection portion (212), the first connection portion (211) and the second connection portion (212) are connected, and the first connection portion (211) and/or the second connection portion (212) form the connection passage (210).

10. The refrigerator of claim 9, wherein the second connecting portion (212) is located outside the mounting cavity (140) and extends toward the handle housing (15).

11. The refrigerator of claim 8, wherein one end of the longitudinal side wall (141) of the display housing (14) is provided with a first wall hole (143) communicating with the first ventilation opening (31), and the lateral side wall (142) of the display housing (14) away from the one end is provided with a second wall hole (144) communicating with the second ventilation opening (51).

12. The refrigerator according to claim 8, wherein a spacer (146) abutting against the rear side of the display device (2) is provided in the display housing (14), and an abutting surface of the spacer (146) abutting against the display device (2) and a bottom surface of the mounting cavity (140) have a space to form a part of the heat dissipation air duct (5).

13. A refrigerator according to claim 1, characterized by comprising a speaker (191) in the door (1), said handle groove wall (30) having a sound outlet hole (32) communicating with the handle groove (3).

14. A refrigerator comprising a door (1), the door (1) comprising:

a display device (2) mounted in the mounting cavity (140); and

a handle housing (15) having a handle slot (3) and a handle slot wall (30) defining the handle slot (3);

it is characterized by also comprising a heat dissipation air duct (5) for discharging the heat generated by the display device (2) out of the door (1),

the handle shell (15) is provided with a first ventilation opening (31) communicated with the heat dissipation air duct (5) and the handle groove (3), the installation cavity (140) and the handle groove (3) are arranged at intervals, the handle groove wall (30) comprises a bottom wall (301) facing an inlet of the handle groove (3), and the first ventilation opening (31) is located in the bottom wall (301).