WO2021212934A1

WO2021212934A1 - Color-changing door body, refrigerator having same, and control method for color-changing door body

Info

Publication number: WO2021212934A1
Application number: PCT/CN2021/072638
Authority: WO
Inventors: 何胜涛; 许艳青; 李春阳; 徐同
Original assignee: 青岛海尔电冰箱有限公司; 海尔智家股份有限公司
Priority date: 2020-05-22
Filing date: 2021-01-19
Publication date: 2021-10-28
Also published as: CN113701440B; CN113701440A

Abstract

The present invention provides a color-changing door body, a refrigerator having same, and a control method for a color-changing door body. The door body comprises a main body, a light guide plate arranged at the front surface of the main body, a light-transmitting panel arranged at the front surface of the light guide plate, a color-changing light source arranged at the periphery of the light guide plate, a light-transmitting photosensitive pattern layer coated on the wall face of the light-transmitting panel close to the light guide plate, an illumination intensity sensor arranged on the door body, and a controller for controlling the color-changing light source and the photosensitive pattern layer, wherein the illumination intensity sensor is used for detecting the illumination intensity of the environment where the door body is located; and the controller is used for monitoring the resistance variation of the photosensitive pattern layer, and controlling whether to change the current on-off state of the color-changing light source and/or to change the magnitude of current of the color-changing light source according to the illumination intensity of the environment where the door body is located and the resistance variation state. By means of the present invention, the user experience is improved.

Description

Color-changing door body, refrigerator with the same, and method for controlling the color-changing door body

This application claims the priority of the Chinese patent application whose application date is May 22, 2020, the application number is 202010442526.0, and the invention title is "The color-changing door body with its refrigerator, control method, equipment and medium", and its entire content Incorporated in this application by reference.

Technical field

The invention relates to the technical field of household appliances, in particular to a color-changing door body, a refrigerator with the same, and a method for controlling the color-changing door body.

Background technique

With the improvement of living standards, consumers are not only satisfied that refrigerators can achieve the cooling function, but also hope that refrigerators can beautify the indoor environment. For example, consumers hope that the color of the refrigerator door can be changed.

In the prior art, a liquid crystal screen is used to manufacture the door of the refrigerator, and the liquid crystal molecules are arranged in a straight line when the power is on, and are scattered in a disordered state when the power is off, so as to control the door of the refrigerator to be in a transparent state or an opaque state. Display various colors). However, the liquid crystal screen has the disadvantages of low yield and high manufacturing cost, resulting in high manufacturing cost of the refrigerator door.

In order to solve the above-mentioned problems, Chinese patent application, publication number: 109425182A, title of invention: door body for refrigerator and refrigerator with the door body, a cover glass is arranged on the refrigerator body, and the cover is irradiated by changing The light intensity of the light can control the door body of the refrigerator to show different colors.

However, Patent Application No. 109425182A does not consider the actual application environment of the refrigerator. If the door color is directly adjusted according to its set theoretical value, the adjusted color is not accurate and cannot meet the specific needs of users.

Summary of the invention

The object of the present invention is to provide a color-changing door, a refrigerator having the same, and a method for controlling the color-changing door.

In order to achieve one of the above-mentioned objects of the invention, an embodiment of the present invention provides a color-changing door, the door comprising: a main body, a light guide plate provided on the front surface of the main body, and a transparent light guide plate provided on the front surface of the light guide plate. Light panel

Wherein, the door body further includes: a color-changing light source arranged on the peripheral side of the light guide plate, a light-transmitting photosensitive layer coated on the surface of the light-transmitting panel close to the light guide plate, and a light-transmitting photosensitive layer arranged on the door The light intensity monitoring sensor on the body and the controller used to control the color-changing light source and the photosensitive layer;

The light intensity monitoring sensor is used to detect the light intensity of the environment where the door body is located;

The controller is used to monitor the resistance change of the photosensitive layer, and control whether to change the current on and off of the color-changing light source and/or change the current size of the color-changing light source according to the light intensity and resistance change state of the environment where the door is located.

As a further improvement of an embodiment of the present invention, the door body further includes: a temperature monitoring sensor for detecting the temperature value of the environment of the door body;

The controller is specifically used to monitor the resistance change of the photosensitive layer, and control whether to change the current on and off of the color-changing light source and/ Or change the current size of the color-changing light source.

As a further improvement of an embodiment of the present invention, the light-transmitting panel is a photochromic glass panel;

The light guide plate is an acrylic plate;

The color-changing light source is a color-changing LED, and the color-changing LED is arranged on the upper edge and/or the lower edge of the light guide plate.

In order to achieve one of the above-mentioned objects of the invention, an embodiment of the present invention provides a refrigerator, the refrigerator comprising: a box body with an opening, and a color-changing door body provided on the box body, the door body is used for opening/ Closing the opening;

The door body includes a main body, a light guide plate provided on the front surface of the main body, and a light-transmitting panel provided on the front surface of the light guide plate;

The light guide plate is an acrylic plate;

In order to achieve one of the above-mentioned objectives of the invention, an embodiment of the present invention provides a method for controlling a color-changing door, the method including:

S1, each time a door body color change instruction is received, obtain the ambient light intensity in real time;

To obtain the door color change instruction, query the preset parameter list, and obtain the theoretical resistance value of the photosensitive layer corresponding to the door color change instruction under the current ambient light intensity;

At the same time, monitor and record the actual resistance value of the photosensitive layer;

S2. Determine whether the actual resistance value and the theoretical resistance value are the same,

If yes, keep the current setting unchanged;

If not, change the current on and off of the color-changing light source and/or change the current size of the color-changing light source, so that the actual resistance value is the same as the theoretical resistance value.

As a further improvement of an embodiment of the present invention, before step S1, the method further includes: constructing a parameter list, the parameter list including: each changed color, and the corresponding photosensitivity of each changed color under each fixed light intensity The theoretical resistance value of the layer.

As a further improvement of an embodiment of the present invention, step S1 further includes:

Each time a door color change instruction is received, the ambient temperature value is obtained in real time;

To obtain the door color change instruction, query the preset parameter list, and obtain the theoretical resistance value of the photosensitive layer corresponding to the door color change instruction under the current ambient light intensity and the current ambient temperature.

As a further improvement of an embodiment of the present invention, before step S1, the method further includes: constructing a parameter list, the parameter list including: each change color, and each change color at each fixed light intensity and fixed temperature value Bottom, the theoretical resistance value of the corresponding photosensitive layer.

The beneficial effects of the present invention are: the color-changing door body of the present invention, the refrigerator with the color-changing door body and the control method of the color-changing door body, by setting the photosensitive layer, combining the change of the ambient light intensity, by adjusting the current on and off and/or of the color-changing light source Adjust the current size of the color-changing light source to finely adjust the display color of the door body to enhance the user experience.

Description of the drawings

FIG. 1 is a schematic structural diagram of a color-changing door provided by an embodiment of the present invention;

2 is a schematic flowchart of a method for controlling a color-changing door provided by an embodiment of the present invention;

3 is a schematic flowchart of a method for controlling a color-changing door provided by another preferred embodiment of the present invention;

Fig. 4 is a schematic diagram of a module of a control system for a color-changing door provided by an embodiment of the present invention.

Detailed ways

The present invention will be described in detail below in conjunction with the embodiments shown in the drawings. However, these embodiments do not limit the present invention, and structural or functional changes made by those skilled in the art based on these embodiments are all included in the protection scope of the present invention.

As shown in FIG. 1, the first embodiment of the present invention provides a color-changing door. The door includes a main body 10, a light guide plate 20 arranged on the front surface of the main body 10, and a light guide plate 20 arranged on the front surface of the light guide plate 20. The light-transmitting panel 30; wherein, the color-changing light source 40 provided on the peripheral side of the light guide plate 20 is coated on the light-transmitting photosensitive layer 50 on the surface of the light-transmitting panel 30 close to the light guide plate 20, and set A light intensity sensor (not shown) on the door and a controller (not shown) for controlling the color-changing light source 40 and the photosensitive layer 50; the light intensity sensor is used to detect the environment in which the door is located Light intensity; the controller is used to monitor the resistance change of the photosensitive layer 50, according to the light intensity and resistance change state of the environment in which the door is located, control whether to change the current on and off of the color-changing light source 40 and/or change the current of the color-changing light source 40 size.

In a preferred embodiment of the present invention, the door body further includes: a temperature monitoring sensor (not shown) for detecting the temperature value of the environment of the door body;

The controller is specifically used to monitor the resistance change of the photosensitive layer 50, and control whether to change the current on and off of the color-changing light source 40 according to the light intensity of the environment where the door is located, the temperature value of the environment of the door, and the resistance change state. And/or change the current of the color-changing light source 40.

In the specific embodiment of the present invention, the light guide plate 20 is an acrylic plate. By providing the light guide plate 20, the distribution of light irradiated by the color-changing light source 40 can be made more uniform. Further, the light irradiated on the light guide plate 20 passes through the light guide plate 20. The light-transmitting panel 30 presents different colors on the light-transmitting panel 30 as required. In particular, when the light intensity of the external environment and/or the light intensity and color of the light emitted by the color-changing light source 40 change, the light-transmitting panel 30 can present different colors.

Preferably, the light-transmitting panel 30 is a photochromic glass panel.

The color-changing light source 40 is a color-changing LED, and the color-changing LED illuminates the light guide plate 20. The controller controls the current on and off and current size of different pins of the color-changing LED to realize color change and control light intensity through the color-changing LED.

Preferably, the color-changing LEDs are arranged on the upper edge and/or the lower edge of the light guide plate 20; in this way, it is convenient to arrange the power lines of the LEDs and improve the lighting effect.

Preferably, the light intensity monitoring sensor and the temperature monitoring sensor are arranged close to the edge of the door body. In particular, the light intensity monitoring sensor is arranged close to the upper edge and/or two opposite side edges of the door body, so that Improve aesthetics and improve monitoring accuracy.

The photosensitive layer 50 is light-transmissive and can change its resistance due to changes in the intensity of light applied to it. In the specific embodiment of the present invention, the photosensitive layer 50 is electrically conductive through a fixed voltage, and the resistance value of the photosensitive layer 50 can be calculated by measuring the current value of the photosensitive layer 50.

An embodiment of the present invention also provides a refrigerator, the refrigerator comprising: a box body with an opening, and a color-changing door body as described above provided on the box body, the color-changing door body being used for opening/closing the述开。 Said opening.

As shown in Figure 2, an embodiment of the present invention provides a color-changing door control method, the method includes: S1, each time a door color change instruction is received, real-time acquisition of ambient light intensity; to obtain the door color The change command queries the preset parameter list, and obtains the theoretical resistance value of the photosensitive layer corresponding to the door color change command under the current ambient light intensity; at the same time, monitors and records the actual resistance value of the photosensitive layer;

S2. Determine whether the actual resistance value is the same as the theoretical resistance value. If so, keep the current setting unchanged; if not, change the current on and off of the color-changing light source and/or change the current size of the color-changing light source to make the actual The resistance value is the same as the theoretical resistance value.

In a preferred embodiment of the present invention, before step S1, the method further includes: constructing a parameter list, the parameter list including: each changed color and the photosensitive layer corresponding to each changed color under each fixed light intensity The theoretical resistance value.

The parameter list includes multiple colors that can be changed on the refrigerator. Each color corresponds to the theoretical resistance value of a photosensitive layer under each fixed light intensity value. Correspondingly, in step S1, the door body The color change instruction includes the color information that the door needs to display. After querying the parameter list based on the color information and the acquired light intensity of the environment, the theoretical resistance value of the uniquely corresponding photosensitive layer can be obtained.

At the same time, the actual resistance value of the photosensitive layer can be detected by the light intensity monitoring sensor.

Further, for step S2, if the actual resistance value is the same as the theoretical resistance value, it means that the color currently displayed on the door body is the changed color specified by the door body color change instruction; if the actual resistance value is the same as the theoretical resistance value If the value is different, it means that the current display color of the door body is different from the change color specified by the door body color change command. At this time, it is necessary to change the color of the color-changing light source and/or the actual resistance of the photosensitive layer to the on-off of any pin The value is adjusted, and the adjustment result meets that the corresponding actual resistance value is the same as the theoretical resistance value.

In the specific embodiment of the present invention, by controlling the color-changing light source, the light intensity of the environment in which the photosensitive layer is located can be changed, and the actual resistance value of the photosensitive layer can be made the same as the theoretical resistance value by controlling the color-changing light source. That is to meet the door color change instruction, to achieve the purpose of adjusting the color of the door body.

In a preferred embodiment of the present invention, as shown in FIG. 3, on the basis of the previous embodiment, the step S1 further includes: each time a door color change instruction is received, real-time acquisition of the ambient temperature value; to obtain the door body The color change command queries the preset parameter list, and obtains the theoretical resistance value of the photosensitive layer corresponding to the door color change command under the current ambient light intensity and current ambient temperature.

Correspondingly, before step S1, the method further includes: constructing a parameter list, the parameter list including: each changed color, and the corresponding photosensitive layer of each changed color at each fixed light intensity and fixed temperature value The theoretical resistance value.

In this embodiment, the parameter list includes multiple colors that can be changed on the refrigerator, and each color corresponds to the theoretical resistance value of a photosensitive layer at each fixed light intensity value and fixed temperature value; Correspondingly, in step S1, the door color change instruction includes the color information that the door needs to display. After querying the parameter list with the color information and the obtained environmental light intensity and environmental temperature values, the unique corresponding photosensitive image can be obtained The theoretical resistance value of the layer.

In this preferred embodiment, the monitoring of the resistance change of the photosensitive layer not only considers the light intensity change of the external environment, but also considers the temperature change of the external environment. In this way, the actual resistance value of the photosensitive layer can be adjusted more accurately, so that the adjustment The result is more accurate.

With reference to FIG. 4, the present invention provides a color-changing door control system in a real-time manner. The system shown includes: an acquisition module 100, a processing module 200, and a construction module 300.

In the first embodiment of the present invention, the acquiring module 100 is configured to acquire the ambient light intensity in real time every time a door color change instruction is received; to obtain the door color change instruction to query the preset parameter list, and to obtain the current ambient light intensity Next, the theoretical resistance value of the photosensitive layer corresponding to the door color change instruction; at the same time, monitor and record the actual resistance value of the photosensitive layer; the processing module 200 is used to determine whether the actual resistance value and the theoretical resistance value are Same, if yes, keep the current setting unchanged; if not, change the current on and off of the color-changing light source and/or change the current size of the color-changing light source, so that the actual resistance value and the theoretical resistance value are the same.

The construction module 300 is used to construct a parameter list, the parameter list includes: each changed color and the theoretical resistance value of the photosensitive layer corresponding to each changed color under each fixed light intensity.

In the second embodiment of the present invention, on the basis of the above-mentioned first embodiment, the obtaining module 100 is also used to obtain the ambient temperature value in real time every time a door color change instruction is received; to obtain the door color change instruction to query the preset The parameter list of to obtain the theoretical resistance value of the photosensitive layer corresponding to the door color change command under the current ambient light intensity and current ambient temperature.

Based on the above-mentioned first embodiment, the construction module 300 is also used to: construct a parameter list, the parameter list including: each changed color, and each changed color at each fixed light intensity and fixed temperature value, The theoretical resistance value of the corresponding photosensitive layer.

Those skilled in the art can clearly understand that, for the convenience and conciseness of description, the specific working process of the above-described system and module can refer to the corresponding process in the foregoing method implementation, which will not be repeated here.

An embodiment of the present invention also provides an electronic device that includes a memory and a processor, the memory stores a computer program, and the processor implements the control of the color-changing door as described above when the computer program is executed. Method steps.

An embodiment of the present invention also provides a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, the steps of the method for controlling the color-changing door body as described above are realized.

In summary, the color-changing door body of the present invention, the refrigerator and the method for controlling the color-changing door body have the same, by setting the photosensitive layer, combining the change of the ambient light intensity, by adjusting the current on and off of the color-changing light source and/or adjusting the color change The current size of the light source finely adjusts the display color of the door body to enhance the user experience effect.

It should be understood that although this specification is described in accordance with the embodiments, not every embodiment only includes an independent technical solution. This narration in the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in the embodiments can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions of the feasible implementations of the present invention. They are not intended to limit the scope of protection of the present invention. Any equivalent implementations or implementations made without departing from the technical spirit of the present invention All changes shall be included in the protection scope of the present invention.

Claims

A color-changing door, characterized in that the door includes a main body, a light guide plate arranged on the front surface of the main body, and a light-transmitting panel arranged on the front surface of the light guide plate;

Wherein, the door body further includes: a color-changing light source arranged on the peripheral side of the light guide plate, a light-transmitting photosensitive layer coated on the surface of the light-transmitting panel close to the light guide plate, and a light-transmitting photosensitive layer arranged on the door The light intensity monitoring sensor on the body and the controller used to control the color-changing light source and the photosensitive layer;

The light intensity monitoring sensor is used to detect the light intensity of the environment where the door body is located;

The controller is used to monitor the resistance change of the photosensitive layer, and control whether to change the current on and off of the color-changing light source and/or change the current size of the color-changing light source according to the light intensity and resistance change state of the environment where the door is located.
The color-changing door according to claim 1, wherein the door further comprises: a temperature monitoring sensor for detecting the temperature value of the environment of the door;

The controller is specifically used to monitor the resistance change of the photosensitive layer, and control whether to change the current on and off of the color-changing light source and/ Or change the current size of the color-changing light source.
The color-changing door according to claim 1, wherein:

The light-transmitting panel is a photochromic glass panel;

The light guide plate is an acrylic plate;

The color-changing light source is a color-changing LED, and the color-changing LED is arranged on the upper edge and/or the lower edge of the light guide plate.
A refrigerator, characterized in that the refrigerator comprises: a box body with an opening, and a color-changing door body provided on the box body, the door body being used for opening/closing the opening;

The door body includes a main body, a light guide plate provided on the front surface of the main body, and a light-transmitting panel provided on the front surface of the light guide plate;

Wherein, the door body further includes: a color-changing light source arranged on the peripheral side of the light guide plate, a light-transmitting photosensitive layer coated on the surface of the light-transmitting panel close to the light guide plate, and a light-transmitting photosensitive layer arranged on the door The light intensity monitoring sensor on the body and the controller used to control the color-changing light source and the photosensitive layer;

The light intensity monitoring sensor is used to detect the light intensity of the environment where the door body is located;

The controller is used to monitor the resistance change of the photosensitive layer, and control whether to change the current on and off of the color-changing light source and/or change the current size of the color-changing light source according to the light intensity and resistance change state of the environment where the door is located.
The refrigerator according to claim 4, wherein the door body further comprises: a temperature monitoring sensor for detecting the temperature value of the environment of the door body;

The controller is specifically used to monitor the resistance change of the photosensitive layer, and control whether to change the current on and off of the color-changing light source and/ Or change the current size of the color-changing light source.
The refrigerator according to claim 4, wherein the light-transmitting panel is a photochromic glass panel;

The light guide plate is an acrylic plate;

The color-changing light source is a color-changing LED, and the color-changing LED is arranged on the upper edge and/or the lower edge of the light guide plate.
A method for controlling a color-changing door, characterized in that the method includes:

S1, each time a door body color change instruction is received, obtain the ambient light intensity in real time;

To obtain the door color change instruction, query the preset parameter list, and obtain the theoretical resistance value of the photosensitive layer corresponding to the door color change instruction under the current ambient light intensity;

At the same time, monitor and record the actual resistance value of the photosensitive layer;

S2. Determine whether the actual resistance value and the theoretical resistance value are the same,

If yes, keep the current setting unchanged;

If not, change the current on and off of the color-changing light source and/or change the current size of the color-changing light source, so that the actual resistance value is the same as the theoretical resistance value.
The color-changing door control method according to claim 7, characterized in that, before step S1, the method further comprises: constructing a parameter list, the parameter list including: each change color, and each change color at each change The theoretical resistance value of the corresponding photosensitive layer under a fixed light intensity.
The method for controlling a color-changing door according to claim 7, wherein step S1 further comprises:

Each time a door color change instruction is received, the ambient temperature value is obtained in real time;

To obtain the door color change instruction, query the preset parameter list, and obtain the theoretical resistance value of the photosensitive layer corresponding to the door color change instruction under the current ambient light intensity and the current ambient temperature.
The color-changing door control method according to claim 9, characterized in that, before step S1, the method further comprises: constructing a parameter list, the parameter list including: each change color, and each change color at each change A theoretical resistance value of the corresponding photosensitive layer under a fixed light intensity and a fixed temperature value.