CN113218119A

CN113218119A - Refrigerator with a door

Info

Publication number: CN113218119A
Application number: CN202110366944.0A
Authority: CN
Inventors: 孙云芳; 黄珊珊; 章南威
Original assignee: BSH Home Appliances Co Ltd; Bo Xihua Electric Jiangsu Co Ltd
Current assignee: BSH Electrical Appliances Jiangsu Co Ltd; BSH Home Appliances Co Ltd; Bo Xihua Electric Jiangsu Co Ltd; BSH Hausgeraete GmbH
Priority date: 2017-12-27
Filing date: 2017-12-27
Publication date: 2021-08-06
Also published as: CN109974384A

Abstract

One embodiment of the invention relates to a refrigerator. The refrigerator comprises a door (1) and the door comprises a display device (2) positioned in an installation cavity (140) and a heat dissipation air duct (5) used for discharging heat generated by the display device (2) to the outside of the door. The heat dissipation duct includes a plurality of ventilation openings (51) communicating with the outside. The mounting chamber is divided into a first chamber section (1401) and a second chamber section (1402) with respect to the center plane (X) thereof, the door is divided into a first door section (1a) having the first chamber section (1401) and a second door section (1b) located on the other side with respect to the center plane (X) thereof, and the end surface of the first door section and the end surface of the second door section are connected. The display device comprises a backlight device (25) which is arranged in the first cavity part and deviates from the central plane (X) of the installation cavity, wherein a plurality of ventilation openings are distributed on the end surface of the first door part and deviate from the central plane (X) of the installation cavity.

Description

Refrigerator with a door

[ technical field ]

The invention relates to a refrigerator, in particular to a refrigerator with a heat dissipation air duct.

[ 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 the embodiment of the invention is to provide an improved refrigerator.

Another object of an embodiment of the present invention is to provide a refrigerator that facilitates heat dissipation of a display device.

Still another object of the embodiments of the present invention is to provide a safer refrigerator.

Accordingly, an aspect of embodiments of the present invention is directed to a refrigerator. A refrigerator includes a door; the door is characterized by comprising a display device positioned in an installation cavity and a heat dissipation air channel used for discharging heat generated by the display device to the outside of the door, wherein the heat dissipation air channel comprises a plurality of ventilation openings communicated with the outside; the display device includes a backlight device located inside the first cavity portion offset from a center plane of the mounting cavity, wherein the plurality of ventilation openings are distributed at an end surface of the first door portion offset from the center plane of the mounting cavity.

This is more favorable to the air in heat dissipation wind channel to better for the backlight unit heat dissipation.

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, among the central plane of the mounting cavity and the backlight illumination device, the projection of the plurality of ventilation openings in the direction parallel to the central plane of the mounting cavity is closer to the projection of the backlight illumination device in the direction parallel to the central plane of the mounting cavity.

In one possible embodiment, a projection of at least one of the plurality of ventilation openings in a direction parallel to the central plane of the mounting cavity and a projection of the backlight illumination device in a direction parallel to the central plane of the mounting cavity at least partially overlap.

In one possible embodiment, at least one of the plurality of vents is located between a central surface of the mounting cavity and the backlight.

In a possible embodiment, the backlighting arrangement is arranged along a side of the first cavity part remote from the centre plane.

In one possible embodiment, at least one of the plurality of ventilation openings and the mounting cavity have projections in a direction parallel to a central plane of the mounting cavity that do not overlap.

In one possible embodiment, the end face is an upper end face or a lower end face of the door.

In one possible embodiment, the device comprises a liquid baffle chamber which is positioned right below the ventilation opening, and the liquid baffle chamber is provided with a liquid outlet.

Another aspect of an embodiment of the present invention relates to a refrigerator, including a door, where the door includes a mounting cavity, a display device located in the mounting cavity, and a heat dissipation air duct for dissipating heat from the display device, where the heat dissipation air duct includes a vent for ventilating with the outside and a connection section for connecting the mounting cavity and the vent, and where the connection section includes at least one bent section.

Therefore, on one hand, the heat dissipation air channel can be distributed more flexibly, and on the other hand, the possibility that external substances enter the heat dissipation air channel to be in contact with the display device is reduced.

In one possible embodiment, the air conditioner comprises a liquid blocking chamber located below the ventilation opening, and at least one bent section is arranged along the liquid blocking chamber.

In one possible embodiment, the connecting section comprises at least one pair of first and second sections connected and perpendicular to each other.

In one possible embodiment, the connecting section includes a first section extending in a height direction of the door and a second section extending in a width direction of the door.

Another aspect of an embodiment of the present invention relates to a refrigerator, including a door, the door having a heat dissipation air duct, the heat dissipation air duct having a vent communicating with an outside of the door, wherein the door includes a liquid blocking chamber located directly below the vent, and the liquid blocking chamber having a liquid discharge port communicating with the outside of the door.

Therefore, external liquid can be effectively prevented from entering the heat dissipation air duct possibly exposed to the electronic device through the vent, and the service life of the refrigerator is prolonged.

The heat dissipation air duct can be used for heat dissipation of the display device and/or heat dissipation of other electronic devices with heat dissipation.

In one possible embodiment, the drain port is located on a rear side of the door.

In one possible embodiment, the heat dissipation air duct comprises a channel section located between the ventilation opening and the liquid blocking chamber, one end of the channel section is connected with the ventilation opening, and the other end of the channel section penetrates through the peripheral wall of the liquid blocking chamber or is located above the free end of the peripheral wall of the liquid blocking chamber.

In one possible embodiment, the door includes an end cap having an opening and a cover coupled to the opening to cover at least a portion of the opening, the vent being disposed in the cover.

In one possible embodiment, the liquid blocking chamber is formed in the end cover, and the liquid outlet is located on the rear side wall of the end cover.

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 cross-sectional view taken along line A-A of FIG. 1;

FIG. 5 is an enlarged view of a portion of FIG. 4;

fig. 6 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 exposed forward 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. 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 dissipation 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 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 of the handle slot wall 30.

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.

As shown in fig. 4, the installation chamber 140 is divided into a first chamber section 1401 and a second chamber section 1402 with respect to the center plane X thereof, the door 1 is divided into a first door section 1a having the first chamber section 1401 and a second door section 1b located on the other side with respect to the center plane X of the installation chamber 140, and an end surface of the first door section 1a is connected to an end surface of the second door section 1 b. In the present embodiment, the first door section 1a and the second door section 1b are arranged side by side in the left-right direction, and the end surface is the upper end surface of the door 1.

The display device 2 comprises a backlighting arrangement 25. The backlighting arrangement 25 may be a light emitting diode. Fig. 4 schematically illustrates the position of the backlight 25 in the mounting cavity 140. As shown in fig. 4, the backlight device 25 is located in the first cavity section 1401 offset from the center plane X1 of the mounting cavity 140. In the present embodiment, the backlight 25 is adjacent to the longitudinal side wall 141 along the side of the first cavity section 1401 remote from the central plane X.

In order to enhance the heat radiation effect to the backlight illumination device 25, the second ventilation openings 51 are distributed on the end surface of the first door portion 1a so as to be offset from the center plane X of the mounting cavity 140.

Preferably, among the center plane X of the mounting cavity 140 and the backlight illumination device 25, the projection of these second ventilation openings 51 in the direction parallel to the center plane X of the mounting cavity 140 is closer to the projection of the backlight illumination device 140 in the direction parallel to the center plane X of the mounting cavity 140, whereby the air can flow more in the vicinity of the backlight illumination device 25.

In the present embodiment, at least one of the second ventilation openings 51 and the mounting cavity 140 do not overlap in projection in a direction parallel to the center plane X of the mounting cavity 140. As shown in fig. 4, the projection of all the second ventilation openings 51 in the height direction of the door 1 may be located outside the projection of the installation cavity 140 in the height direction of the door 1. It should be understood that in an alternative embodiment, at least one of the plurality of second vents 51 may also be located between the central plane X of the mounting cavity 140 and the backlight 25. For example, a projection of at least one of the plurality of second ventilation openings 51 in a direction parallel to the center plane X of the mounting cavity 140 and a projection of the backlight illumination device 25 in a direction parallel to the center plane X of the mounting cavity 140 at least partially overlap.

In one embodiment, heat may be dissipated from the display device 2 by 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.

The handle groove 3 and the mounting cavity 140 are spaced apart. The heat dissipation duct 5 includes a connection passage 210 between the mounting 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 30 of the handle groove wall 30.

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 that a part of the heat dissipation duct 5 is formed on the back side of the display device 2. The outside air flows along the rear side of the display device 2 after entering the installation chamber 140, and flows upward toward the second air vent 51.

As shown in fig. 4, the air may flow out of the door through the second air port 51 after passing through the installation chamber 140, through the

passages

52, 53, 54. The general flow direction of the air in the heat dissipation channel 5 can be referred to the arrow a shown in fig. 4.

As shown in fig. 2 and 4, the refrigerator includes a speaker assembly 19. The speaker assembly 19 includes a speaker 191 connected to the display device 2.

The speaker 191 is located in the interior 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 of the handle groove wall 30. The sound outlet hole 32 communicates the handle groove 3 with the space where the speaker assembly 19 is located.

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 speaker assembly 19 is inserted into the installation 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.

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.

In the embodiment shown in fig. 1 to 6, 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 to connect to a camera module (not shown) located on the rear side of the door 1. The locating structure 60 is located outside of the mounting cavity 140.

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. It is to be understood that the invention is not limited thereto but may be embodied in different 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, e.g., 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.

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.

The top of the door 1 may be provided with an electrical assembly 20. The electrical assembly 20 may include at least one circuit board and/or other electrical and electronic devices. In the present embodiment, the electrical appliance assembly 20 may include a control module to control the camera module or a communication module to communicate with the outside or a control and/or display module.

The end cap 13 includes an opening 138 in a side wall 139 of the door 1. The end cap 13 includes a connecting neck 131 extending downwardly along the opening 138 for connecting 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 cover 137 attached to a side wall 139 to cover the opening 138. The second ventilation opening 51 is provided in the cover 137.

In the present embodiment, the cover 137 includes the accommodating case 16 installed in the inner space 132. The containment case 16 is connected to the end cap 13 along the opening 138. The receiving case 16 has a receiving chamber 161 to receive the electrical component 20.

The accommodation chamber 161 is opened upward, and the cover 137 includes a cover member 17 coupled to the accommodation case 16 to close the accommodation chamber 161. In the present embodiment, the electrical 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 receiver housing 16. In the present embodiment, 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 an adhesive tape or a sponge, or the like.

The door 1 may include a fixing member 18 to fix the display device 2. The fixing member 18 is adapted to be inserted into the door 1 through an opening of an upper sidewall of the door 1 to be received in the door 1.

The fixing member 18 may have a first abutting portion 181 for abutting against the display device 2 in the front-rear direction. In the present embodiment, the fixing member 18 supports the display device 2 backward to prevent the display device 2 from falling off the mounting cavity 140 forward.

The lower end of the display housing 14 may be provided with a second fixing portion 148 to position the lower end of the display device 2.

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 liquid blocking chamber 510 may be provided immediately below the second ventilation opening 51, and the liquid blocking chamber 510 may have a liquid discharge opening 511 communicating with the outside of the door 1. When the liquid inadvertently enters the liquid blocking chamber 510 through the second ventilation opening 51, the liquid is first blocked in the liquid blocking chamber 510 and then can be discharged out of the door 1 through the liquid discharge opening 511. So that liquid is prevented from entering the display housing 14.

The liquid discharge port 511 may be provided at the bottom of the peripheral wall 512 of the liquid blocking chamber 510, so that it is possible to avoid long stagnation in the door 1 in the liquid blocking chamber 510. The drain port 510 may be located at the rear side of the door 1.

In this embodiment, the liquid-blocking chamber 510 is formed in the end cap 13. Drain 511 is located on rear sidewall 136 of end cap 13.

The heat dissipation duct 5 may include a channel section 56 located between the second ventilation opening 51 and the liquid blocking chamber 510, wherein one end of the channel section 56 is connected to the second ventilation opening 51, and the other end is located above the free end of the peripheral wall 512 of the liquid blocking chamber 510. In an alternative embodiment, it is also possible for the other end of the channel section 56 to pass through the peripheral wall 512 of the liquid barrier 510.

In the embodiment of the present invention, the heat dissipation duct 5 includes a connection section 55 connected between the second ventilation opening 5 and the mounting cavity 140. The connecting section 55 includes at least one bent section.

For example, bends are formed in

channels

52, 53 and channel 54, respectively.

As another example, the channel 54 and gap G form a second bend segment.

As another example, the gap G and the channel section 56 form a third bend section. The third bent section may be disposed along the liquid blocking chamber 510.

In this embodiment, the channel 54 and the gap G are connected and perpendicular to each other. The

channels

52, 53 are connected to the channel 54 and are perpendicular to each other. The gap G and the channel section 56 are connected and perpendicular to each other. It should be understood that in an alternative embodiment, it is also possible that the first and second sections of the bend section are connected at other angles (e.g., obtuse angled/arcuate connection).

The various embodiments described in connection with fig. 1-6 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 comprises a door (1), the door comprises an installation cavity (140), a display device (2) located in the installation cavity and a heat dissipation air duct (5) used for dissipating heat of the display device, the heat dissipation air duct comprises a ventilation opening (51) ventilating with the outside and a connecting section (55) connecting the installation cavity and the ventilation opening, and the refrigerator is characterized in that the connecting section (55) comprises at least one bending section.

2. The refrigerator according to claim 1, comprising a liquid-blocking chamber (510) located below the vent, wherein at least one of the bent sections is disposed along the liquid-blocking chamber (510).

3. The refrigerator as claimed in claim 1, wherein the connection section includes at least one pair of first and second sections connected to and perpendicular to each other.

4. The refrigerator of claim 1, wherein the connection section includes a first section extending in a height direction of the door and a second section extending in a width direction of the door.

5. A refrigerator comprising a door (1) having a heat-radiating air duct (5) having a vent (51) communicating with the outside of the door, characterized in that the door comprises a liquid-blocking chamber (510) located directly below the vent, the liquid-blocking chamber having a liquid discharge port (511) communicating with the outside of the door.

6. The refrigerator as claimed in claim 5, wherein the drain port is located at a rear side of the door.

7. The refrigerator according to claim 5, wherein the heat dissipation duct comprises a passage section (56) between the ventilation opening and the liquid blocking chamber, one end of the passage section being connected to the ventilation opening, and the other end thereof passing through the peripheral wall (512) of the liquid blocking chamber or being located above the free end of the peripheral wall (512) of the liquid blocking chamber.

8. The refrigerator of claim 5, wherein the door includes an end cap (13) having an opening (138) and a cover (137) connected to the opening (138) to cover at least a portion of the opening, the vent (51) being provided in the cover.

9. The refrigerator of claim 8, wherein the liquid-blocking compartment is formed in the end cap, and the liquid discharge port is located in a rear sidewall (136) of the end cap.