An automatic lighting projection device, its control method, and a refrigerator

Abstract

The present invention discloses an automatic lighting projection device, a control method thereof, and a refrigerator. The automatic lighting projection device includes an embedded box, a slider seat disposed in the embedded box, a fixed projection lamp assembly disposed in the middle of the slider seat, and a set of movable projection lamp assemblies disposed on both sides. A transmission mechanism is used to make the movable projection lamp assemblies reciprocate. The present invention breaks the status quo of the traditional refrigerator lighting with single and fixed-position lighting, and provides a projection lamp assembly that can automatically adjust the light position, project different colors of light, and graphic information. This facilitates the user to quickly find the corresponding food ingredients inside the refrigerator and know information such as temperature, providing convenience for the user to use the refrigerator and meeting the personalized needs of people.

Description

Technical Field

[0001] The present invention relates to the technical field of lighting, and in particular to a projection device that can be used for automatic lighting in a refrigerator compartment, a control method for the automatic lighting projection device, and a refrigerator having the projection device. Background Art

[0002] Refrigerators have long become indispensable household appliances in people's lives or work. With the development of society and technology, while various refrigerators are continuously introduced, the volume of refrigerators is also increasing to meet different market needs. Since the volume of a refrigerator has a certain depth and width, for convenient use, a lighting device is generally provided inside the refrigerator body. For traditional refrigerators, the lighting components of the lighting device are basically located at the top of the refrigerating compartment or the freezing compartment, and ordinary LED lights are used. The position of the lighting components is fixed and cannot be moved, so the lighting function cannot meet the needs of users. Especially for a refrigerator body with a large volume, the existing lighting cannot automatically illuminate different positions inside the refrigerator body, which is not convenient for users to quickly find the corresponding food ingredients. Moreover, the LED lights only have a lighting function and the color is relatively single, resulting in poor user-friendly service.

[0003] Therefore, how to overcome the defects of incomplete lighting projection and single lighting projection function of the existing refrigerator interior lighting is an issue that the industry actively considers solving. Summary of the Invention

[0004] In order to solve the technical problems of incomplete lighting projection and single lighting projection function of the existing refrigerator interior lighting, the present invention provides an automatic lighting projection device that can automatically adjust the lighting projection position to facilitate users to quickly find the corresponding food ingredients, a refrigerator having the projection device, and a control method for the automatic lighting projection device. At the same time, the projected light can display different information to meet people's personalized needs.

[0005] An automatic lighting projection device provided by the present invention includes an embedded box, a slider seat disposed in the embedded box, a fixed projection lamp assembly disposed in the middle of the slider seat, and a set of movable projection lamp assemblies disposed on both sides. A transmission mechanism is used to make the movable projection lamp assemblies reciprocate.

[0006] Preferably, the transmission mechanism is a lead screw slider mechanism, including a lead screw with a positive thread on one side and a negative thread on the other side. The positive and negative threads on the lead screw are respectively connected to a reciprocating slider, and further includes a motor for driving the lead screw to rotate; each slider is connected to a movable projection lamp assembly. The middle of the lead screw is a smooth shaft and is connected to a fixed slider in an idle running fit manner, and the fixed slider is connected to the fixed projection lamp assembly.

[0007] Preferably, the shadow spotlight assembly includes a lamp base plate, a rotatable lamp assembly disposed on one side surface of the lamp base plate, the lamp assembly including a lamp post, a plurality of color-changing lamp beads disposed on the outer side surface of the lamp post, and a curved screen disposed outside the lamp assembly; the lamp base plate is connected to the slider and the fixed slider.

[0008] Preferably, the driving for rotating the lamp assembly includes a rotating shaft disposed in the inner circle of the lamp post and a rotating mechanism connected to one end of the rotating shaft.

[0009] Preferably, the shadow spotlight assembly is fixedly connected to the slider and the fixed slider through a rotating motor, the housing of the rotating motor is fixedly connected to the slider and the fixed slider, and the motor shaft of the rotating motor is a spline shaft inserted into one end of the lamp base plate to form a transmission connection.

[0010] Preferably, at least one set of driving mechanisms for pushing and pulling the movement of the slider seat is provided on the embedded box on the back side of the slider seat.

[0011] Preferably, there is one set of the driving mechanisms on each of the left and right sides, and the driving mechanism is an electromagnetic device composed of an electromagnetic seat and a telescopic rod, and the end of the telescopic rod extending out is fixedly connected to the slider seat fixture.

[0012] A refrigerator includes a refrigerating chamber, a freezing chamber, a door, a drawer, and a controller. It further includes the automatic lighting projection device provided by the present invention, and the automatic lighting projection device is controlled by the controller and is respectively disposed on the inner lining of the door and the lower side of the end cover of the door.

[0013] Preferably, the door is a double-opening door; angle sensors electrically connected to the controller are provided on both the middle hinge and the upper hinge of the refrigerator.

[0014] Preferably, a display screen is installed outside the door body of the refrigerator for inputting the graphic and text information and the light color projected by the curved screen.

[0015] Preferably, it includes a storage battery for supplying emergency power to the automatic lighting projection device.

[0016] A control method for an automatic lighting projection device of a refrigerator, the control steps are as follows:

[0017] Open the door, the angle sensor of the door detects the opening angle and feeds the detection signal back to the controller, and the controller controls the electromagnetic device, the motor, the rotating motor, and the rotating mechanism to start working according to the feedback signal;

[0018] First, control the electromagnetic device to push out the overall shadow spotlight assembly; then the motor drives the lead screw slider mechanism to adjust the position of the movable shadow spotlight assembly; the rotating motor adjusts the rotation angle of the movable shadow spotlight assembly; the rotating mechanism rotates the lamp assembly;

[0019] The controller maps the relevant light colors and graphic information set in the door display screen onto the corresponding positions of the refrigerator through the curved screen, and projects lights of different colors according to different positions of the refrigerator.

[0020] When the door is closed, the controller controls the electromagnetic device to pull the overall projection lamp assembly back to the initial position, and at the same time turns off the power supply of all projection lamp assemblies.

[0021] Preferably, the automatic lighting projection device on the inner lining of the first opened door projects lights of different colors and relevant graphic information onto the corresponding drawers; the automatic lighting projection device provided on the door end cover can project lights of different colors and relevant graphic information onto the bottle frame of the door.

[0022] Since the storage functions of different areas inside the refrigerator are different, different foods, such as fruits, vegetables, fish and shrimps, dried foods, mother and baby foods, etc., will be stored in different areas of the refrigerator. The present invention breaks the status quo of the traditional refrigerator lighting with a single and fixed position, and provides a projection lamp assembly that can automatically adjust the light position, project lights of different colors and graphic information according to the actual use situation. When the user opens the refrigerator door, the projection lamp assembly can automatically adjust the irradiation on different areas, such as drawers, bottle frames, etc., and at the same time project lights of different colors and graphic information, so as to facilitate the user to quickly find the corresponding food ingredients inside the refrigerator and know relevant information such as temperature, which provides convenience for the user to use the refrigerator and can also meet people's personalized needs. According to the opening and closing situation of the door, the electromagnetic device can make the overall projection lamp assembly automatically stretch. That is, when the door is opened, the electromagnetic device pushes the entire projection lamp assembly out a certain distance for light irradiation. When the door is closed, the electromagnetic device pulls the entire projection lamp assembly back to the initial position to avoid interference with other components. In addition, in the case of a power outage, the automatic lighting projection device of the refrigerator can also be connected to the standby battery of the refrigerator to continue to provide lighting projection services for the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a general assembly three-dimensional schematic diagram of an embodiment of the automatic lighting projection device of the present invention;

[0024] Figure 2 is Figure 1 The three-dimensional assembly schematic diagram of the movable projection lamp assembly in;

[0025] Figure 3 It is a schematic diagram of the refrigerator with an automatic lighting projection device of the present invention when the door is opened;

[0026] Figure 4 It is a schematic diagram of the working process control of the automatic lighting projection device of the present invention.

[0027] Among them, 1 is the embedded box, 2 is the slider seat, 3 is the left movable shadow lamp assembly, 4 is the left driving mechanism, 5 is the fixed shadow lamp assembly, 6 is the lead screw, 7 is the right movable shadow lamp assembly, 8 is the right driving mechanism, 9 is the coupling, 10 is the motor, 11 is the slider, 12 is the rotating motor, 13 is the motor shaft, 14 is the lamp socket plate, 15 is the curved screen, 16 is the lamp post, 17 is the color-changing lamp bead, 18 is the rotating mechanism, 19 is the rotating shaft; 20 is the left freezer door, 30 is the left refrigerator door, 40 is the right refrigerator door, 50 is the right freezer door, 21, 31, 41, 51 are the automatic lighting and projection devices respectively installed on the four refrigerator doors, 22, 32, 42, 52 are the automatic lighting and projection devices respectively installed on the lower sides of the end caps of the four refrigerator doors, 60 is the left drawer, and 70 is the right drawer. Specific embodiments

[0028] The present invention will be further described below in conjunction with embodiments and drawings, but it does not constitute a limitation to the present invention.

[0029] As Figure 1 shown, it is the first embodiment of an automatic lighting and projection device provided by the present invention, which includes an embedded box 1, a slider seat 2 provided in the embedded box 1, a fixed shadow lamp assembly 5 provided in the middle of the slider seat 2, a left movable shadow lamp assembly 3 provided on the left side of the fixed shadow lamp assembly 5, and a right movable shadow lamp assembly 7 provided on the right side of the fixed shadow lamp assembly 5. A transmission mechanism is used to make the movable shadow lamp assemblies 3 and 7 move reciprocally. In this embodiment, the transmission mechanism is a lead screw slider mechanism, which includes a lead screw 6 with a positive thread on one side and a negative thread on the other side. For example, one side of a lead screw is a right-handed thread and the other side is a left-handed thread. The positive and negative thread sections on the lead screw 6 are respectively thread-connected to a reciprocating slider 11. According to needs, these two sliders 11 can be arranged symmetrically with respect to the fixed shadow lamp assembly 5 or asymmetrically. The sliders 11 are respectively fixedly connected to a movable shadow lamp assembly 3 and 7. The middle of the lead screw 6 is a smooth circumferential surface, that is, a light shaft, which is in an idle running fit connection with a fixed slider. The fixed slider cannot move and is connected to the fixed shadow lamp assembly 5. It also includes a motor 10 that drives the lead screw 6 to rotate through a coupling 9. In this way, by controlling the forward and reverse rotation of the motor 10, the movable shadow lamp assemblies 3 and 7 on the left and right sides can move towards or away from each other. Please refer to Figure 2As shown, the fixed or movable spotlight components 5, 3, and 7 all include a lamp base plate 14, a rotatable lamp component provided on the front side of the lamp base plate 14, and a curved screen 15 provided outside the lamp component. The lamp component includes a cylindrical lamp post 16, and lamp posts of other shapes can also be used, such as a rhombic lamp post, etc. There are also a plurality of color-changing lamp beads 17 provided on the outer side surface of the lamp post. Among them, the lamp base plates 14 of the movable spotlight components 3 and 7 are fixedly connected to the movable sliders 11, and the lamp base plate 14 of the fixed spotlight component 5 is fixedly connected to the non-movable fixed slider. The driving for the lamp component to rotate includes a rotating shaft 19 provided in the inner circle of the lamp post 16, and a rotating mechanism 18 provided on the upper end surface of the rotating shaft 19. The rotating mechanism 18 is controlled to drive the rotating shaft 19 to rotate and drive the lamp component to rotate. As Figure 1 As shown, at least one set of driving mechanisms for pushing and pulling the slider seat 2 to move a certain distance is provided on the embedded box 1 on the back side of the slider seat 2. In this embodiment, there is one set of driving mechanisms on the left and right along the length direction of the embedded box 1, that is, the left driving mechanism 4 and the right driving mechanism 8. The number of driving mechanisms can be selected according to the length of the embedded box 1, such as three or four, etc. As long as it is convenient to push the slider seat 2 out a certain distance and pull it back to the initial position. The specific driving mechanism is an electromagnetic device 4 composed of an electromagnetic seat and a telescopic rod, and the end of the telescopic rod extending out is fixedly connected to the slider seat 2.

[0030] As Figure 1 and Figure 2 As shown, by controlling the forward and reverse rotation of the motor 10, the movable spotlight components 3 and 7 located on the left and right sides of the fixed spotlight component 5 can move towards or away from each other, that is, it has high control accuracy and synchronism. Also, by controlling the rotating mechanism, the lamp component can be driven to rotate around its rotating shaft 19, and different colors of light can be projected through the curved screen 15. According to needs, the electromagnetic device 4 can also be controlled to push the slider seat 2 out a certain distance so that the overall spotlight components 5, 3, and 7 project light to the required area. The overall spotlight components 5, 3, and 7 can also be pulled back to the initial position to avoid interference with other components. Through the above comprehensive actions, the curved screen 15 in the overall spotlight components 5, 3, and 7 can project different colors of light to the required area, and the graphic information such as temperature and food displayed on the curved screen 15 can also be projected out together.

[0031] As Figure 1 and Figure 2As shown in the figure, the second embodiment of the automatic lighting projection device provided by the present invention is shown. The basic structure of this embodiment is the same as that of the first embodiment. The difference is that the fixed or movable projection lamp assemblies 5, 3, 7 are not directly connected to the corresponding fixed sliders and slider 11, but the corresponding fixed sliders and slider 11 are connected to the lamp socket plate 14 of the overall projection lamp assemblies 5, 3, 7 through a rotary motor 12. That is, the housing of the rotary motor 12 is fixedly connected to the corresponding fixed sliders and slider 11, and the motor shaft 13 extending from the rotary motor 12 is a spline shaft inserted into the spline hole on one end face of the corresponding lamp socket plate 14, and a spline drive connection is formed. According to needs, the rotary motor 12 can be controlled to drive the overall projection lamp assemblies 5, 3, 7 to rotate around the motor shaft 13 of the rotary motor 12. Then, in addition to being able to achieve all the actions of the first embodiment, this embodiment also adds the movement of the overall projection lamp assemblies 5, 3, 7 rotating around the motor shaft 13 of the rotary motor 12, so that different colors of light and graphic information can be projected onto the required area more flexibly to further meet the needs of users.

[0032] As Figure 1 , Figure 2 , Figure 3 As shown in the figure, a refrigerator having the automatic lighting projection device provided by the present invention includes a refrigerating chamber, a freezing chamber, a door and a drawer, and a controller (not shown in the figure). According to needs, the automatic lighting projection device can be provided on the inner lining of the door and under the end cover of the door. Moreover, the motor 10, the driving motor 12, the rotating mechanism, the electromagnetic device 4, the lamp beads 17 and the curved screen 15 in the automatic lighting projection device are all in telecommunication connection with the controller and are controlled by the controller.

[0033] Please combine Figure 3As shown, the present invention provides an embodiment of a common refrigerator in which both the refrigerator compartment and the freezer compartment are double-door refrigerators, and the refrigerator compartment has four doors in total. Due to the large size of the refrigerator, when the door is opened, it is necessary for the light source to be able to reasonably and effectively project light to various areas inside the refrigerator to facilitate people's use. In this embodiment, a plurality of bottle frames are installed on the inner side of the door body of the refrigerator compartment and the freezer compartment; a plurality of drawers are also installed inside the refrigerator compartment and the freezer compartment. In order to facilitate the projection of all drawers or bottle frames, a set of automatic lighting projection devices 21, 31, 41, 51 provided by the present invention is provided on the inner lining of each of the four doors 20, 30, 40, 50 of the refrigerator; and a set of automatic lighting projection devices 22, 32, 42, 52 provided by the present invention are also provided on the lower side of the end covers of the four doors of the refrigerator. A total of eight sets of automatic lighting projection devices are provided. At the same time, an angle sensor (not shown in the figure) connected to the controller is provided on the middle hinge and the upper hinge of the refrigerator. When the user opens and closes the door, the angle sensor can detect the angle of the door and feed it back to the controller. According to the opening and closing conditions of the door, the controller can control the electromagnetic device 4 to automatically extend and retract the entire projection lamp assembly 5, 3, 7. That is, when the door is opened, the electromagnetic device 4 acts to push the entire projection lamp assembly out a certain distance, so that the light can be irradiated to the inside of the refrigerator. When the door is closed, the electromagnetic device 4 acts again to pull the entire projection lamp assembly back to the initial position to avoid interference with other components, and at the same time, all lights of the automatic lighting projection device are turned off. The motor 10 can also be controlled to drive and adjust the displacement of the movable projection lamp assembly 3, 7 to avoid being blocked by other components during operation, so as to better project the light to the inside of the refrigerator. The rotating motor 12 can also be controlled to drive the entire projection lamp assembly 5, 3, 7 to rotate around the motor shaft 13 of the rotating motor 12; the rotating mechanism is controlled to rotate the lamp assembly to emit brilliant light.

[0034] An electronic display screen (not shown in the figure) is installed on the outer side of the refrigerator door body. Users can input the graphic and text information projected by the curved screen 15 of the shadow projection lamp assembly and the lighting color according to their own needs. That is, when the user opens the refrigerator door body, the curved screen 15 can project the input content onto the corresponding area inside the refrigerator. For example, when the two refrigerating doors 30 and 40 are opened simultaneously, the automatic lighting shadow projection devices 32 and 42 on the end caps of the two refrigerating doors will project different colors of light and content onto the bottle frames on the corresponding side doors. At the same time, the automatic lighting shadow projection device on the door inner lining of the first opened door will project different colors of light and corresponding content onto the left and right drawers 60 and 70 in the refrigerating chamber. For example, the content such as fresh-keeping, zero-degree, mother and baby, and temperature will be projected onto the refrigerating drawer; the preset positions on the air duct mask in the refrigerating chamber can project the content such as ion sterilization and odor removal and sterilization, so as to provide users with user-friendly services. The working principle of the automatic lighting shadow projection device on the freezer is similar to that on the refrigerating chamber. This is convenient for users to quickly find the corresponding food positions inside the refrigerator and know information such as temperature, providing convenience for users to use the refrigerator. In addition, in the case of a power outage, the automatic lighting shadow projection device of the refrigerator can immediately connect to the backup battery of the refrigerator and continue to provide lighting shadow projection services for users.

[0035] As Figures 1 to 4 shown, the present invention also provides a control method for an automatic lighting shadow projection device of a refrigerator, and the control steps are as follows:

[0036] Step 1: When the refrigerator door is opened, the angle sensor of the corresponding opened refrigerator door detects the opening angle and feeds the detection signal back to the controller. The controller analyzes and judges the feedback signal, and controls the electromagnetic device 4 and the motors 10, the rotary motor 12, and the rotating mechanism to start working accordingly.

[0037] Step 2: First, control the electromagnetic device 4 to push the overall shadow projection lamp assembly 3, 5, and 7 outwards by a certain distance; then the motor 10 drives the lead screw slider mechanism to adjust the positions of the movable shadow projection lamp assemblies 3 and 7; at the same time, the rotary motor 12 adjusts the angles of all the shadow projection lamp assemblies 3, 5, and 7 rotating around the motor shaft 13 of the rotary motor 12, and the rotating mechanism can also rotate the lamp assembly so that the light of the lamp assembly can be better projected onto the area inside the refrigerator that needs it.

[0038] Step 3: The controller projects, through the curved screen 15, the relevant lighting colors and graphic and text information set in the door display screen of the refrigerator onto the corresponding positions in the refrigerator, and projects different colors of light according to different positions in the refrigerator.

[0039] Among them, when only a single door or both doors are opened, the automatic lighting projection device on the inner lining of the first opened door projects lights of different colors and graphic information such as zero degree, chilled, and mother and baby to the corresponding drawers. The automatic lighting projection device provided on the end cover of the door can project lights of different colors and relevant graphic information to the bottle frame on the door. The user can operate the display screen on the door body to change the graphic content and light color displayed on the curved screen 15, so that different contents are projected.

[0040] Step 4: After the door is closed, the controller controls the electromagnetic device 4 to pull the overall projection lamp assembly back to the initial position and turn off the power of all projection lamp assemblies.

[0041] The present invention breaks the status quo of the traditional refrigerator lighting with a single and fixed light position, and provides a projection lamp assembly that can automatically adjust the light position, project different colored lights and graphic information according to the actual use situation. When the user opens the refrigerator door body, the projection lamp assembly can automatically adjust the illumination to different areas, and at the same time project lights of different colors and graphic information, so that it is convenient for the user to quickly find the corresponding food ingredients inside the refrigerator and know information such as temperature, which provides convenience for the user to use the refrigerator and can also meet the personalized needs of people. According to the opening and closing conditions of the door, the electromagnetic device can make the overall projection lamp assembly automatically retract and extend, which is convenient for lighting or avoiding interference with other components. In addition, in the case of a power outage in the mains, the automatic lighting projection device of the refrigerator can also be connected to the backup battery of the refrigerator to continue to provide lighting projection services for the user.

[0042] The above are only the embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A refrigerator, comprising a refrigerating chamber, a freezing chamber, a door and a drawer, and a controller, characterized in that, It further includes an automatic lighting projection device, which is controlled by the controller and is respectively arranged on the inner lining of the cabinet door and the lower side of the end cover of the cabinet door; wherein: The automatic lighting projection device includes an embedded box, a slider seat arranged in the embedded box, a fixed projection lamp assembly arranged in the middle of the slider seat, and a set of movable projection lamp assemblies arranged on both sides. A transmission mechanism is used to make the movable projection lamp assemblies reciprocate; The transmission mechanism is a lead screw slider mechanism, which includes a lead screw with a positive thread on one side and a reverse thread on the other side. The positive thread and the reverse thread on the lead screw are respectively connected to a reciprocating slider; each slider is connected to a movable projection lamp assembly; it also includes a motor for driving the lead screw to rotate; the middle of the lead screw is a smooth shaft and is in idle running fit connection with a fixed slider, and the fixed slider is connected to the fixed projection lamp assembly; The projection lamp assembly includes a lamp seat plate, a rotatable lamp assembly arranged on one side surface of the lamp seat plate. The lamp assembly includes a lamp post, a plurality of color-changing lamp beads arranged on the outer side surface of the lamp post, and a curved screen arranged outside the lamp assembly; the lamp seat plate is connected to the slider and the fixed slider; the driving for the lamp assembly to rotate includes a rotating shaft arranged in the inner circle of the lamp post and a rotating mechanism connected to one end of the rotating shaft; Each projection lamp assembly is fixedly connected to the slider and the fixed slider through a rotary motor. The housing of the rotary motor is fixedly connected to the slider and the fixed slider. The motor shaft of the rotary motor is a spline shaft inserted into one end of the lamp seat plate to form a transmission connection; At least one set of driving mechanisms for pushing and pulling the slider seat to move is arranged on the embedded box on the back side of the slider seat; A display screen is installed on the outer side of the cabinet door for inputting the graphic and text information and the light color projected by the curved screen of the projection lamp assembly.

2. The refrigerator according to claim 1, characterized in that, There is a set of driving mechanisms on each of the left and right sides. The driving mechanism is an electromagnetic device composed of an electromagnetic seat and a telescopic rod, and the end of the telescopic rod extending out is fixedly connected to the slider seat.

3. The refrigerator according to claim 1, characterized in that, The cabinet door is a double-opening door; angle sensors telecommunication-connected to the controller are arranged on both the middle hinge and the upper hinge of the refrigerator.

4. The refrigerator according to claim 1, characterized in that, It includes a storage battery for supplying emergency power to the automatic lighting projection device.

5. A control method for an automatic lighting projection device of a refrigerator according to any one of claims 1 to 4, the control steps are as follows: Open the door, the angle sensor on the door detects the opening angle and feeds the detection signal back to the controller, and the controller controls the electromagnetic device, the motor, the rotary motor and the rotating mechanism to start working according to the feedback signal; First control the electromagnetic device to push out the overall projection lamp assembly; then the motor drives the lead screw slider mechanism to adjust the position of the movable projection lamp assembly; the rotary motor adjusts the rotation angle of the movable projection lamp assembly; the rotating mechanism rotates the lamp assembly; The controller projects the relevant light color and graphic information set in the door display screen onto the corresponding refrigerator position through the curved screen, and projects lights of different colors according to different refrigerator positions; Close the door, the controller controls the electromagnetic device to pull the overall projection lamp assembly back to the initial position, and at the same time turns off the power supply of all projection lamp assemblies.

6. The control method according to claim 5, characterized in that, The automatic lighting projection device on the inner lining of the cabinet door that is first opened projects different colors of lights and relevant graphic and text information onto the corresponding drawer; the automatic lighting projection device arranged on the lower side of the end cover of the cabinet door projects different colors of lights and relevant graphic and text information onto the bottle frame of the cabinet door.

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