Lighting apparatus control method, lighting apparatus and lighting system

Abstract

A lighting apparatus control method, a lighting apparatus and a lighting system. The lighting apparatus comprises at least one light source assembly, the light source assembly comprising a plurality of light-emitting units, and each light-emitting unit having an individual control address. The lighting apparatus control method comprises: acquiring a target image, the target image having a plurality of pixel positions; establishing a position mapping relationship between the control address of each light-emitting unit in a light source assembly and the pixel positions of the target image; on the basis of the target image, extracting pixel information corresponding to the pixel positions, and sending the pixel information and the pixel positions to a lighting apparatus; and, on the basis of the pixel information and the pixel positions, adjusting the color of a light ray emitted by the lighting apparatus. The lighting apparatus can acquire the pixel information of the target image, and present richer and more complex scenes on the basis of the pixel information, thus improving the adaptability of the lighting apparatus.

Description

Lighting device control method, lighting device and lighting system

[0001] This application claims priority to Chinese patent applications with application date of December 30, 2023, application number 202311870363.6, and invention name “Lighting device control method, lighting device and lighting system”. The entire contents of these patent applications are incorporated into this application by reference. Technical Field

[0002] The present application relates to the field of lighting technology, and in particular to a lighting device control method, a lighting device, and a lighting system. Background Art

[0003] With the popularization of smart lighting, people's personalized demands for the brightness and color of lighting products are becoming more and more diversified. The intelligence of lighting products is becoming more and more important, and the requirements for technology are becoming higher and higher.

[0004] Currently, most of the intelligent lighting products on the market are still limited to adjusting brightness, color temperature and fixed colors. The overall lighting effects presented are still relatively monotonous and cannot meet the lighting needs in complex scenes.

[0005] In some solutions, complex scene effects are presented by using display devices such as LCDs and OLED screens. However, these devices are restricted by factors such as shape and size, and have great limitations in installation, while also being costly.

[0006] In view of this, it is indeed necessary to provide a lighting device control method and a lighting device to meet the needs of presenting rich and complex scenes. Summary of the Invention

[0007] The purpose of this application is to provide a lighting device control method that can present rich and complex scenes.

[0008] To achieve the above objectives, the present application provides a method for controlling a lighting device, wherein the lighting device includes at least one light source assembly, the light source assembly includes a plurality of light-emitting units, each of the light-emitting units having an independent control address, and the lighting device control method includes:

[0009] Acquire a target image, wherein the target image has a plurality of pixel positions;

[0010] Establishing a position mapping relationship between a control address of each light-emitting unit in the light source assembly and a pixel position of the target image;

[0011] extracting pixel information corresponding to the pixel position based on the target image, and sending the pixel information and the pixel position to the lighting device;

[0012] The color of the light emitted by the lighting device is adjusted based on the pixel information and the pixel position.

[0013] Optionally, the method for adjusting the color of the light emitted by the lighting device based on the pixel information further includes: based on a position mapping relationship, each of the light-emitting units adjusts the color of the light emitted according to the pixel information extracted from its corresponding pixel position.

[0014] Optionally, the pixel information includes color coordinate information and brightness information.

[0015] Optionally, the method for sending the pixel information and the pixel position to the lighting device is: packaging the color coordinate information, the brightness information, and the pixel position together and sending them to the lighting device.

[0016] Optionally, the extracted pixel information is converted and then sent to the lighting device, and the process of converting the pixel information includes:

[0017] Convert the extracted pixel information corresponding to each control address from sRGB color space to XYZ color space;

[0018] Then converting the pixel information from the XYZ color space to the Yxy color space;

[0019] The x and y values ​​in the Yxy color space are used as the converted color coordinate information, and the Y value in the Yxy color space is used as the converted brightness information.

[0020] Optionally, the lighting device saves the received pixel information into a scene number, and different scene numbers correspond to different target images. By calling different scene numbers, the lighting device displays the style of the target image corresponding to the scene number.

[0021] Optionally, the step of remotely controlling the lighting device to display the target image through an APP includes:

[0022] Select a target image through the APP;

[0023] Sending an instruction to call the target image to the cloud through the APP;

[0024] The cloud sends an instruction to the gateway to call the scene number corresponding to the target image;

[0025] Each gateway broadcasts and calls the scene number to the lighting devices connected thereto;

[0026] The lighting device responds to the broadcast call of the gateway and displays the style of the target image.

[0027] Optionally, the cloud sends an instruction to the gateway to call the scene number corresponding to the target image, including:

[0028] The cloud screens the lighting devices that are adapted to the target image, and sends an instruction to call the target image to a gateway that controls the adapted lighting devices.

[0029] Optionally, the step of controlling the lighting device to display the target image through a panel includes:

[0030] Select a target image through the panel;

[0031] Sending an instruction to call the scene number corresponding to the target image to the gateway through the panel;

[0032] The gateway sends an instruction to call the scene number to other gateways in the local area network;

[0033] Each of the gateways broadcasts and calls the lighting devices connected thereto;

[0034] The lighting device responds to the broadcast call of the gateway and displays the style of the target image.

[0035] Optionally, when the light source assembly is ring-shaped or square-shaped, the target image is square; when the light source assembly is rectangular, the target image is rectangular.

[0036] Another object of the present application is to provide a lighting device using the above lighting device control method.

[0037] To achieve the above objectives, the present application provides a lighting device, which applies the above lighting device control method.

[0038] Another object of the present application is to provide a lighting system including the above lighting device.

[0039] To achieve the above objectives, the present application provides a lighting system, comprising:

[0040] The lighting device mentioned above;

[0041] A control terminal configured to allow a user to select a target image and send a call instruction to the lighting device, the control terminal including an APP and / or a panel;

[0042] A communication module, through which the control end transmits data with the lighting device, and the communication module includes a cloud and a gateway.

[0043] The beneficial effect of the present application is that compared with the prior art, in the lighting device of the present application, by acquiring the target image and establishing a mapping relationship between the control address of each light-emitting unit in the light source assembly and the pixel position on the target image, and then extracting the pixel information of each pixel position on the target image, and sending the pixel information together with the pixel position to the lighting device, each light-emitting unit of the lighting device can emit light of corresponding color according to the pixel information extracted from the corresponding pixel position, and the lighting device as a whole can display the style of the selected target image. The lighting device can display various target image styles, thereby improving the lighting effect of the lighting device and having stronger adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] FIG1 is a flow chart of a lighting device control method of the present application.

[0045] FIG2 is a schematic plan view of the light source assembly in the first embodiment.

[0046] Figure 3 is a schematic diagram of the target image and light source assembly in Example 2, Figure 3(a) is a schematic diagram of a rectangular target image, Figure 3(b) is a schematic diagram of a light source assembly in which the light-emitting basebands are arranged horizontally, and Figure 3(c) is a schematic diagram of a light source assembly in which the light-emitting basebands are arranged vertically.

[0047] FIG4 is a structural diagram of scene message parameters configured in the lighting device control method of the present application.

[0048] FIG5 is a schematic diagram of a flow chart of controlling a lighting device through an APP in the lighting device control method of the present application.

[0049] FIG6 is a schematic diagram of a flow chart of controlling a lighting device through a panel in the lighting device control method of the present application.

[0050] Description of reference numerals:

[0051] 100-light source assembly;

[0052] 110 - light-emitting unit, 120 - light-emitting baseband, 130 - first part, 140 - second part. DETAILED DESCRIPTION

[0053] In order to make the objectives, technical solutions and advantages of this application clearer, this application is described in detail below with reference to the accompanying drawings and specific embodiments.

[0054] It should be noted here that in order to avoid obscuring the present application due to unnecessary details, only the structures and / or processing steps closely related to the scheme of the present application are shown in the accompanying drawings, while other details that are not closely related to the present application are omitted.

[0055] In addition, it should be noted that the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0056] The present application provides a lighting system, which is described below with reference to specific embodiments.

[0057] The lighting system includes a control terminal and several lighting devices. The lighting device includes at least one light source assembly, which includes multiple light-emitting units. Each light-emitting unit has an independent control address and can be controlled by the following lighting device control method:

[0058] Acquire a target image, where the target image has a number of pixel positions;

[0059] Establishing a position mapping relationship between the control address of each light-emitting unit in the light source assembly and the pixel position of the target image;

[0060] extracting pixel information corresponding to a pixel position based on the target image, and sending the pixel information and the pixel position to the lighting device;

[0061] The color of the light emitted by the lighting device is adjusted based on the pixel information and the pixel position.

[0062] As shown in Figure 1, in the lighting device control method of the present application, the target image is first obtained. There are multiple light-emitting units 110 in the light source component 100, and each light-emitting unit 110 has a control address. A position mapping relationship between the pixel position of the target image and the control address of the light-emitting unit is established; the pixel information corresponding to each pixel position on the target image is parsed and extracted, and the pixel information and pixel position are packaged and sent to the lighting device. Based on the pixel information of the pixel position corresponding to each light-emitting unit, the lighting device controls each light-emitting unit to emit the light color corresponding to the pixel information. The lighting device as a whole displays the style corresponding to the target image.

[0063] In this embodiment, the pixel information specifically includes color coordinate information. The control end sends the color coordinate information of each control address to the lighting device. The lighting device controls the light-emitting units of each control address to display the corresponding color according to the color coordinates, and the brightness value is set between 1% and 100% as needed.

[0064] In some other embodiments, the pixel information also includes brightness information. As shown in Figure 4, the control end packages the color coordinate information and the brightness information together and sends them to the lighting device. Bright in Figure 4 is the brightness information, Cx and Cy are the color coordinate information, and the lighting device uses the received brightness information as a reference value to set the brightness displayed by the lighting device.

[0065] The light source assembly 100 includes a plurality of light-emitting base strips 120 . Each light-emitting base strip 120 includes a plurality of light-emitting units 110 of the same number. The light-emitting base strips 120 may be arranged in a horizontal arrangement, a vertical arrangement, or a circular arrangement.

[0066] In some embodiments, a light source model corresponding to the light source assembly 100 will be established on the interface of the control end. The light source model has a virtual light-emitting baseband 120. In order to prevent errors, when the user finds that the arrangement of the virtual light-emitting baseband 120 in the light source model is different from the arrangement in the light source assembly 100, the user can also manually drag the virtual light-emitting baseband 120 to adjust the position to improve the stability of the lighting system.

[0067] The control end packages the converted pixel information of each control address, including color coordinates, brightness information and pixel position, as scene lighting parameters, and sends the scene lighting parameters to the corresponding lighting device. The lighting device saves the received scene lighting parameters to a scene number. Different scene numbers in the lighting device correspond to different target images. When it is necessary to control the lighting device to display different target images, it is only necessary to call different scene numbers through the control end, making the entire control process more convenient and quick.

[0068] As shown in FIG5 , in some embodiments, the control terminal may be an APP on various mobile devices, and a user may remotely control the lighting device to adjust the lighting device through the APP, specifically including the following steps:

[0069] Select the target image through the APP;

[0070] The APP sends a command to the cloud to call the target image;

[0071] The cloud screens the lighting devices that are compatible with the target image and sends a command to the gateway connected to these lighting devices to call the scene number corresponding to the target image;

[0072] Each gateway broadcasts the scene number to the lighting devices connected to it;

[0073] The lighting device adapted to the target image responds to the broadcast call of the gateway and displays the style of the target image.

[0074] As shown in FIG6 , in some embodiments, the control end may be a panel in the lighting device, and the steps of controlling the lighting device to adjust through the panel specifically include:

[0075] Select the target image through the panel;

[0076] The panel sends a command to the gateway to call the scene number corresponding to the target image;

[0077] The gateway parses the instruction through the engine and sends the instruction of calling the scene number to other gateways in the local area network;

[0078] Each gateway broadcasts and calls the lighting devices connected to it;

[0079] The lighting fixtures respond to the gateway's broadcast call and display the style of the target image.

[0080] In some embodiments, transmission between the gateway and the lighting device is performed via a BLE Bluetooth device.

[0081] The following is a specific embodiment of establishing a mapping relationship with a target image when the light emitting units 110 in the light source assembly 100 are arranged in different ways.

[0082] Example 1

[0083] As shown in FIG2 , in this embodiment, the light emitting units 110 in the light source assembly 100 are arranged in a ring. Specifically, the light source assembly 100 includes a light source substrate and a plurality of light emitting base strips 120 including the same number of light emitting units 110. The light source substrate is circular and includes a first circular portion 130 located at the center of the light source substrate and a second portion 140 surrounding the first portion 130. The radius of the light source substrate is R1, and the radius of the first portion 130 is R2. The plurality of light emitting base strips 120 are distributed on the second portion 140. The number of bands 120 is M, and the average interval angle of each light-emitting base band 120 is 360 / M. The light-emitting base band 120 at 3 o'clock is numbered 1; the light-emitting base bands 120 are numbered 1 to M counterclockwise; among them, the angle value of the light-emitting base band 120 numbered Z is (360 / M)*(Z-1); the length L (meter) of the light-emitting base band 120 is R1-R2; assuming that there are e light-emitting units 110 per meter, and each light-emitting unit 110 is a control address, then there are a total of (R1-R2)*e control addresses on a single light-emitting base band 120.

[0084] In this embodiment, the target image for which a mapping relationship needs to be established is square, and the side length of the target image is S pixels.

[0085] On the light source substrate, assuming that the pixel values ​​of all the light-emitting units 110 on the light source assembly 100 are r1=R1*e, assuming that the pixel values ​​of all the control addresses on the second part 140 are r2=R2*e, the ratio coefficient of the virtual pixel points and the actual image pixel points of the light-emitting baseband 120 is N, N=S / (R1*2*e), the specific address of the light-emitting unit 110 on the light-emitting baseband 120z is t, (x0, y0) is the center coordinate value of the circle after the light-emitting baseband 120 is virtualized to the light-emitting unit 110, and the center coordinate value is (0, 0). The horizontal angle between the light-emitting baseband 120 with the current number z and the center of the circle is a=(360 / M)*(Z-1), then the control addresses x1 and y1 of the light-emitting unit 110 at position t on the current light-emitting baseband 120 are: x1=x0+(r2+t-1)*cos(a); y1=y0+(r2+t-1)*sin(a);

[0086] Then the pixel position of the light-emitting unit 110 at address t on the light-emitting baseband 120 numbered z mapped to the target image is: X1 = [x0 + (R2*e + t-1) * cos ((360 / M) * (Z-1))] * S / (R1*2e); Y1 = [y0 + (R2*e + t-1) * sin ((360 / M) * (Z-1))] * S / (R1*2e);

[0087] By utilizing the principle of symmetry, it is only necessary to calculate the pixel positions of the light-emitting units 110 in 1 / 4 or 1 / 8 of the first part 130 corresponding to the target image to obtain the pixel positions of all the light-emitting units 110 corresponding to the target image. According to the pixel position, the pixel information of the pixel position on the target image is extracted, and the pixel information is converted from the sRGB color space to the XYZ color space, and then the pixel information is converted from the XYZ color space to the Yxy color space, wherein x and y in the Yxy color space are respectively used as the color coordinates Cx and Cy of the corresponding light-emitting unit 110 (x1, y1) on the light-emitting baseband 120.

[0088] The Y value in the Yxy color space represents the color brightness, an absolute value, not a dimming brightness ratio. Generally, the Y value cannot be directly used as the brightness of the light-emitting baseband 120. Instead, the lighting device can set the brightness output between 1% and 100% based on actual needs. In some embodiments, the Y value is also sent to the lighting device, which can use the brightness Y value as a reference.

[0089] Example 2

[0090] In this embodiment, as shown in FIG3(a), when the selected target image is a rectangle, the light-emitting units 110 in the light source assembly 100 are arranged in a rectangular shape, and a plurality of light-emitting basebands 120 containing the same number of light-emitting units 110 are arranged horizontally or vertically. As shown in FIG3(b), when the light-emitting basebands 120 are arranged horizontally, there are K rows of light-emitting basebands 120. The light-emitting basebands 120 are numbered. The first row of light-emitting basebands 120 is numbered 1, the second row of light-emitting basebands 120 is numbered 2, and so on. The Kth row of light-emitting basebands is numbered K. Similarly, as shown in FIG3(c), when the light-emitting basebands 120 are arranged vertically, there are K columns of light-emitting basebands 120. The light-emitting basebands 120 are numbered. The first column of light-emitting basebands 120 is numbered 1, the second column of light-emitting basebands 120 is numbered 2, and so on. The Kth column of light-emitting basebands is numbered K. The length of each light-emitting base strip 120 is L meters. There are e light-emitting units 110 per meter on the light-emitting base strip 120. Each light-emitting unit 110 has a control address. Therefore, there are L*e light-emitting units 110 on each light-emitting base strip 120, and there are L*e*K light-emitting units 110 in the entire light source assembly 100.

[0091] The length pixel of the target image is S1, and the width pixel is S2. The aspect ratio of the light source assembly 100 is consistent with the aspect ratio of the target image. The length of each light-emitting baseband 120 is L meters. There are e light-emitting units 110 per meter on the light-emitting baseband 120. Then there are L*e light-emitting units 110 on each light-emitting baseband 120, and there are L*e*K light-emitting units 110 in the entire light source assembly 100. The control address x1, y1 of the light-emitting unit 110 at position t on the current light-emitting baseband 120, and the target image is also in the ratio For example, the corresponding pixel positions are L*e*K, and the control addresses of each light-emitting unit 110 on the light-emitting baseband 120 correspond one-to-one to each pixel position on the target image. The pixel information of each pixel position on the target image is extracted, and the pixel information is converted from the sRGB color space to the XYZ color space, and then the pixel information is converted from the XYZ color space to the Yxy color space, wherein x and y in the Yxy color space are respectively used as the color coordinates Cx and Cy of each light-emitting unit 110 on the light-emitting baseband 120.

[0092] In some embodiments, the control terminal connects to the lighting device via the cloud and a gateway for transmission. When transmitting through the gateway, the pixel information is large, often exceeding 1KB in size. Therefore, a packet-by-packet approach is employed to sequentially transmit the pixel locations corresponding to each control address and the pixel information extracted from those locations from the control terminal through the cloud and gateway to the lighting device. In other embodiments, the control terminal may also directly transmit data to the lighting device via Bluetooth. This application does not restrict the data transmission method.

[0093] In some embodiments, the lighting system includes several lighting devices, and the control end is connected to the multiple lighting devices through the cloud. After completing the mapping of the light source assembly 100 and the target image on the control end, the pixel information and pixel position are used as the scene lighting parameters of the target image and sent to all lighting devices adapted to the target image. These lighting devices save the scene lighting parameters to a scene number. During subsequent calls, the target image is selected through the control end, and the lighting devices that can apply the target image are screened in the cloud, and the call instruction is sent to these lighting devices. The call instruction includes the scene number corresponding to the target image. After receiving the call instruction, the lighting device displays the style of the icon image corresponding to the scene number. Through this lighting system, the control of multiple lighting devices in the system can be achieved conveniently and quickly.

[0094] The control end of the lighting system includes APPs on various devices and panels in the lighting fixtures, and each scene number is called on the APP or panel.

[0095] As shown in Figure 5, this is a flow chart of calling a lighting device through an APP. The user selects a target image on the APP side. After receiving the instruction, the cloud screens the gateways connected to the lighting devices that support the target image and sends instructions to these gateways. These gateways then broadcast the call to all lighting devices connected to them. The lighting devices that support the target image respond to the instruction, and the lighting devices send the scene lighting parameters in the scene number to each light-emitting unit so that the lighting devices display the style of the corresponding target image.

[0096] As shown in Figure 6, this is a flow chart of calling through the panel in the lighting device. After the panel selects the target image, the panel sends a command to the gateway connected to the lighting device via Bluetooth. After receiving the command, the gateway also sends the command to other gateways in the local area network. Each gateway parses the command through the automation engine and then broadcasts the scene number corresponding to the target image to the lighting device. The lighting device responds to the command and displays the style of the corresponding target image.

[0097] To sum up, the lighting device control method of the present application establishes a mapping relationship between the control address of each light-emitting unit 110 in the light source assembly 100 and the pixel position in the target image, extracts the pixel information corresponding to each pixel position in the target image, and then sends the pixel information to the lighting device. The lighting device can control each light-emitting unit 110 to display the corresponding color according to the pixel information, so that the lighting device as a whole displays the style of the corresponding target image. The pixel information of multiple target images is saved to multiple scene numbers in the lighting device, which can be quickly called later through the APP or the panel in the lighting device. The lighting system includes multiple lighting devices, and different lighting devices in the lighting system can be controlled to display different target images. The lighting system is more playable and the lighting device display effects are richer. It can be applied to exhibition hall lighting layout, smart lighting display of home lighting equipment, light shows for celebrations and other occasions to meet higher lighting needs.

[0098] The above embodiments are only used to illustrate the technical solutions of the present application and are not intended to limit the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. A method for controlling a lighting device, wherein, The lighting device includes at least one light source assembly, the light source assembly includes a plurality of light emitting units, each of the light emitting units has an independent control address, and the method for controlling the lighting device includes: Obtain a target image, the target image having a number of pixel positions; Establish a position mapping relationship between the control address of each light emitting unit in the light source assembly and the pixel positions of the target image; Extract pixel information corresponding to the pixel positions based on the target image, and send the pixel information and the pixel positions to the lighting device; Adjust the color of the light emitted by the lighting device based on the pixel information and the pixel positions.

2. The lighting device control method according to claim 1, wherein, The method for adjusting the color of the light emitted by the lighting device based on the pixel information further includes: Based on the position mapping relationship, each of the light emitting units adjusts the color of the light it emits according to the pixel information extracted from the pixel position it corresponds to.

3. The lighting device control method according to claim 1, wherein, The pixel information includes color coordinate information and brightness information.

4. The lighting device control method according to claim 3, wherein, The method for sending the pixel information and the pixel positions to the lighting device is: packing the color coordinate information, the brightness information and the pixel positions together and sending them to the lighting device.

5. The lighting device control method according to claim 3, wherein, Send the extracted pixel information to the lighting device after conversion, and the process of pixel information conversion includes: Convert the pixel information corresponding to each control address, which has been extracted, from the sRGB color space to the XYZ color space; Then convert the pixel information from the XYZ color space to the Yxy color space; Wherein, the x and y values in the Yxy color space are used as the converted color coordinate information, and the Y value in the Yxy color space is used as the converted brightness information.

6. The lighting device control method according to claim 1, wherein, The lighting device saves the received pixel information to a scene number, different scene numbers correspond to different target images, and by calling different scene numbers, the lighting device displays the style of the target image corresponding to the scene number.

7. The lighting device control method according to claim 6, wherein, The steps for remotely controlling the lighting device to display the target image through an APP include: Select a target image through the APP; Send an instruction to call the target image to the cloud through the APP; The cloud sends an instruction to call the scene number corresponding to the target image to the gateway; Each of the gateways broadcasts a call for the scene number to the lighting devices connected to it; The lighting device responds to the broadcast call of the gateway and displays the style of the target image.

8. The lighting device control method according to claim 7, wherein, The cloud sending an instruction to call the scene number corresponding to the target image to the gateway includes: The cloud filters the lighting devices adapted to the target image, and sends an instruction to call the target image to the gateway controlling the adapted lighting devices.

9. The lighting device control method according to claim 6, wherein, The steps for controlling the lighting device to display the target image through a panel include: Select a target image through the panel; Send an instruction to call the scene number corresponding to the target image to the gateway through the panel; The gateway sends an instruction to call the scene number to other gateways within the local area network; Each of the gateways broadcasts a call to the lighting devices connected to it; The lighting device responds to the broadcast call of the gateway and displays the style of the target image.

10. The lighting device control method according to claim 1, wherein, When the light source component is circular or square, the target image is square; when the light source component is rectangular, the target image is rectangular.

11. A lighting device, wherein, Apply the lighting device control method according to any one of claims 1 to 10.

12. An illumination system, wherein, Comprising: A plurality of lighting devices according to claim 11; A control terminal configured to allow a user to select a target image and send a call instruction to the lighting device, the control terminal including an APP and / or a panel; A communication module through which the control terminal performs data transmission with the lighting device, the communication module including a cloud and a gateway.

Images