Dimming equipment based on illumination perception and dimming method thereof

Abstract

The invention relates to the technical field of illumination dimming, in particular to dimming equipment based on illumination perception and a dimming method thereof.The dimming equipment comprises a mobile terminal and a dimmer, the dimmer comprises a machine body, a photoreceptor, a Bluetooth chip, a control button, a display screen and a radio frequency antenna, and the photoreceptor, the Bluetooth chip, the control button, the display screen and the radio frequency antenna are integrally arranged in the machine body; a hemispherical light guide cover of the photoreceptor protrudes out of the machine body, a signal end of the photoreceptor and the control button are respectively connected with corresponding connection points of the Bluetooth chip, the display screen is connected with a video signal output end of the Bluetooth chip, and the radio frequency antenna is connected with a signal receiving and transmitting end of the Bluetooth chip. According to the technical scheme of low cost, simplicity and high efficiency, indoor illumination is more convenient and normative.

Description

Technical Field

[0001] The present invention relates to the technical field of illumination dimming, and specifically to a dimming device based on illumination perception and a dimming method thereof. Background Art

[0002] Although the existing intelligent dimming system has the function of constant illumination, a certain number of illumination sensors need to be arranged at special locations in the use environment. The illumination sensors are connected to the control system through wired or wireless means. The lighting control system collects sensor data and adjusts the light level in real time to make the ambient illumination constant.

[0003] However, the existing dimming system requires multiple illumination sensors, which increases the cost; and requires installation in a designated location, which makes installation and maintenance very inconvenient. Summary of the invention

[0004] In view of the deficiencies in the prior art, an object of the present invention is to provide a dimming device and a dimming method based on illumination perception.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a dimming device based on illumination perception, comprising a mobile terminal and a dimmer, the dimmer comprising a body and a photoreceptor, a Bluetooth chip, a control button, a display screen and a radio frequency antenna integrated in the body, the hemispherical light guide cover of the photoreceptor protruding from the outside of the body, the signal end and the control button of the photoreceptor are respectively connected to the corresponding connection points of the Bluetooth chip, the display screen is connected to the video signal output of the Bluetooth chip, and the radio frequency antenna is connected to the signal transceiver end of the Bluetooth chip.

[0006] In some of the embodiments, the control button includes a power button, a start button and an illumination knob, and the power button, the start button and the illumination knob are respectively connected to the Bluetooth chip.

[0007] In some of the embodiments, the Bluetooth chip is used as a main control chip, has a built-in Bluetooth mesh protocol stack, and sends and receives signals through a radio frequency antenna to form a mesh network with mobile terminals and lamps.

[0008] In some of the embodiments, a lighting control app is embedded in the mobile terminal, and the lighting control app supports the Bluetooth mesh function. The lighting control app searches for lamps and dimmers through the Bluetooth mesh and adds them to the app.

[0009] In some of the embodiments, the dimmer is integrated with the mobile terminal.

[0010] In some of the embodiments, the Bluetooth chip of the dimmer is shared with the Bluetooth chip of the mobile terminal, the display screen is shared with the touch display of the mobile terminal, the control button is independently set on the touch display of the mobile terminal, and the photoreceptor is communicatively connected with the processor in the mobile terminal.

[0011] To achieve the above object, the present invention further provides the following technical solution: a dimming method of a dimming device based on illumination perception, the steps of which are:

[0012] (1) Turn on the dimmer and lamp power supply;

[0013] (2) Open the lighting control app on the mobile terminal, search for lamps and dimmer devices, and add them to the software;

[0014] (3) Use the lighting control app to set different group names for different areas. The app automatically generates unique group numbers for different groups. Add all lamps in the area to their corresponding groups, and the lamps store the corresponding group numbers.

[0015] (4) Place the dimmer in a certain area, and the dimmer automatically calculates the group number corresponding to the area based on the Bluetooth signal strength;

[0016] (5) The dimmer controls the lamps in the area to adjust the illumination through the calculated group number until the preset parameter effect is achieved.

[0017] In some of the embodiments, according to step (4), the specific implementation method is:

[0018] ①Search for nearby lamps;

[0019] ② Count the number of lights actually searched in each group and the corresponding Bluetooth signal strength R;

[0020] ③Calculate the Bluetooth signal power P of each light searched i =10 R / 10 ,

[0021] ④Calculate the Bluetooth search power P for each group j , the formula is as follows

[0022]

[0023] Where M is the total number of lamps in each group, N is the number of lamps in each group found, i is the lamp number, and j is the lamp group number;

[0024] ⑤ From P j Select the maximum value, and its corresponding group number is the light group that the dimmer needs to adjust.

[0025] In some embodiments, according to step (5), the illumination adjustment method is:

[0026] ① Rotate the illumination knob to set the preset illumination to a certain value;

[0027] ②Press the confirmation button to start the dimming process;

[0028] ③ Calculate the illumination error by measuring the actual illumination value of the area through the photoreceptor.

[0029] The calculation formula is:

[0030] e=|L D -L S |

[0031] Where L S is the current illumination value, L D is the preset value, e is the error;

[0032] ④If e is greater than or equal to L D *6%+6 lux, and L D >L S， Control the brightness percentage of the lamp plus 1. If L D <L S， Control the brightness percentage of the lamp minus 1;

[0033] ⑤ Calculate the illumination error e. When e is equal to zero or less than L D *6% + 6 lux, or L D With L S If the size relationship of is reversed, the dimming ends; otherwise, continue with steps ③④⑤.

[0034] Compared with the prior art, the beneficial effect of the present invention is that the dimmer, the mobile terminal and the lamp are connected via Bluetooth mesh to achieve the integration of measurement and dimming.

[0035] Details of one or more embodiments of the present application are presented in the following drawings and descriptions to make other features, purposes and advantages of the present application more concise and easy to understand. The present application is fully described and understood through the embodiments of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a schematic diagram of module connection of the present invention;

[0037] Figure 2 is a structural diagram of a dimmer of the present invention;

[0038] Figure 3 This is a diagram of the dimmer display screen interface of the present invention;

[0039] Figure 4 This is a connection diagram of the internal modules of the dimmer of the present invention;

[0040] Figure 5 The dimmer circuit schematic diagram of the present invention is

[0041] Figure 6 This is a schematic diagram of lamp grouping of the present invention;

[0042] Figure 7 This is a flow chart of the lamp grouping operation of the present invention;

[0043] Figure 8 This is a flow chart of the illumination adjustment of the lamp of the present invention;

[0044] Fig. 9 This is a flow chart of illumination detection and adjustment of the present invention;

[0045] Fig.10 This is a structural diagram of another embodiment of the present invention. DETAILED DESCRIPTION

[0046] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0047] See also Figure 1-9 The present invention provides a technical solution: a dimming device based on illumination perception, including a mobile terminal and a dimmer, wherein the mobile terminal includes a mobile phone, a tablet and other mobile communication devices, and the dimmer includes a body and a photoreceptor, a Bluetooth chip, a control button, a display screen and a radio frequency antenna integrated in the body, wherein the photoreceptor is composed of a photosensitive device and a lens. The lens is hemispherical and protrudes out of the body, and a circuit board containing a photosensitive device is located under the lens. The lens can transmit light and correct light, and guide the received light to the photosensitive device. The signal end and the control button of the photoreceptor are respectively connected to the corresponding connection points of the Bluetooth chip, the display screen is connected to the video signal output of the Bluetooth chip, and the radio frequency antenna is connected to the signal transceiver end of the Bluetooth chip.

[0048] The control button comprises a power button, a start button and an illumination knob, and the power button, the start button and the illumination knob are respectively connected to the Bluetooth chip.

[0049] The Bluetooth chip is used as a main control chip, has a built-in Bluetooth mesh protocol stack, and sends and receives signals through a radio frequency antenna to form a mesh network with mobile terminals and lamps.

[0050] The mobile terminal is embedded with a lighting control app software, which manages and controls lamps and dimming devices through the Bluetooth mesh protocol.

[0051] Dimmer Figure 2 As shown, S2 is the illumination knob. Adjusting S2 can change Figure 3The preset illumination value in the program; S3 is the dimming start button. Clicking S3 will start the dimming program and control the ambient light to reach the preset illumination value; S1 is the photoreceptor, which collects the ambient illumination value and provides it to the program for processing; S4 is the screen, and its interface is as follows: Figure 3 As shown, the area where the device is located, the preset illumination, the measured illumination, and the dimming progress information can be displayed; S5 is the power switch to control the power on and off;

[0052] The dimming device circuit can be divided into 5 parts according to its function, such as Figure 4 As shown, it includes a photoreceptor, a Bluetooth chip, a button, a display screen, and a radio frequency antenna.

[0053] The RF antenna is responsible for signal transmission for equipment, lamps, and mobile terminals.

[0054] The Bluetooth chip serves as the main control chip, with a built-in Bluetooth mesh protocol stack. It sends and receives signals through the RF antenna to form a mesh network with mobile terminals and lamps.

[0055] The Bluetooth chip is also responsible for other peripheral circuit processing, controlling the photosensor to collect ambient illumination, collecting button and knob signals to achieve human-computer communication, and outputting the device operating parameters through the display screen.

[0056] like Figure 5 In the dimming device circuit shown, U3 is the cp601 Bluetooth chip of Shanghai Sipai Microelectronics, which integrates a 32-bit low-power MCU and RF transmission circuit on the chip, meets the Bluetooth 5.2 standard, and its internal protocol stack supports mesh networking.

[0057] KEY is the dimming button, which is connected to the P0 pin of U3. When the program detects that P0 is at a low level, the dimming process is started.

[0058] RP is a precision adjustable resistor, connected to the ADC0 pin of U3. By adjusting the adjustable resistor, the voltage of the ADC0 pin changes accordingly, ranging from 0 to 3.3 volts. CP601 supports 12-bit ADC conversion. By adjusting RP, the illumination value range can be set to 0lx to 4096lx.

[0059] X is a 16M crystal oscillator, which provides a stable reference signal for the U3 chip.

[0060] U2 is an ambient light digital sensor chip, model BH1750FVI, which uses IIC interface to transmit data and control commands, and the measurement range is 1-65535lx.

[0061] U1 is an OLED display screen, which is connected to CP601 through the SPI interface, where SCL is the clock pin, SDA is the data parameter pin, RES is the reset pin, DC is the data or command control pin, and CS is the chip select pin. The SCL, SDA, RES, and DC pins of U1 are connected to the P08, P07, P06, and P05 pins of U3 respectively; the display interface of the screen is as follows Figure 3 shown.

[0062] U4 is a voltage regulator chip, model Tx4310B, which stabilizes the output voltage of the two batteries B1 to 3.3V. C4 and C5 are input and output capacitors respectively, C6 is a bootstrap capacitor, and pin 3 is connected to a high level to enable the chip.

[0063] According to the above dimming device solution, the dimming method thereof comprises the following steps:

[0064] (1) Turn on the dimmer and lamp power supply;

[0065] (2) Open the lighting control app on the mobile terminal, search for lamps and dimmer devices, and add them to the software;

[0066] (3) Use the lighting control app to set different group names for different areas. The app automatically generates unique group numbers for different groups. Add all lamps in the area to their corresponding groups, and the lamps store the corresponding group numbers.

[0067] (4) Place the dimmer in a certain area, and the dimmer automatically calculates the group number corresponding to the area based on the Bluetooth signal strength;

[0068] (5) The dimmer controls the lamps in the area to adjust the illumination through the calculated group number until the preset parameter effect is achieved.

[0069] like Figure 1 and 6 As shown, add lamps and dimming devices to the mobile terminal app, and divide the lamps into different groups according to the area, for example, lamp group 1, lamp group 2, lamp group 3... and so on.

[0070] like Figure 7 As shown, according to step (4), the specific implementation method is:

[0071] ①Search for nearby lamps;

[0072] ② Count the number of lights actually searched in each group and the corresponding Bluetooth signal strength R;

[0073] ③Calculate the Bluetooth signal power P of each light searched i =10 R / 10 ,

[0074] ④Calculate the Bluetooth search power P for each groupj , the formula is as follows

[0075]

[0076] Where M is the total number of lamps in each group, N is the number of lamps in each group found, i is the lamp number, and j is the lamp group number;

[0077] ⑤ From P j Select the maximum value, and its corresponding group number is the light group that the dimmer needs to adjust.

[0078] like Figure 8-9 As shown, according to step (5), the illumination adjustment method is:

[0079] ① Rotate the illumination knob to set the preset illumination to a certain value;

[0080] ②Press the confirmation button to start the dimming process;

[0081] ③ Calculate the illumination error by measuring the actual illumination value of the area through the photoreceptor.

[0082] The calculation formula is:

[0083] e=|L D -L S |

[0084] Where L S is the current illumination value, L D is the preset value, e is the error;

[0085] ④If e is greater than or equal to L D *6%+6 lux, and L D >L S， Control the brightness percentage of the lamp plus 1. If L D <L S， Control the brightness percentage of the lamp minus 1;

[0086] ⑤ Calculate the illumination error e. When e is equal to zero or less than L D *6% + 6 lux, or L D With L S If the size relationship of is reversed, the dimming ends; otherwise, continue with steps ③④⑤.

[0087] Through this technical solution, the specific implementation method is as follows:

[0088] 1. Divide the Bluetooth mesh lights into different groups according to the area, such as 1, 2, 3... light groups through the app;

[0089] 2. Move the dimmer to the corresponding area, turn on the switch power, adjust the dimming knob, change the RP resistance value, and control the program to collect its voltage, convert it into digital, and control the OLED screen to display the required illumination value;

[0090] 3. Click the confirmation button to start the dimming function;

[0091] 4. Search for nearby lamps;

[0092] 5. Count the number of lights actually searched in each group and the corresponding Bluetooth signal strength R;

[0093] 6. Calculate the Bluetooth signal power P of each light searched i =10 R10 ;

[0094] 7. Calculate the search power P of each group of lamps j

[0095]

[0096] Where M is the total number of lamps in each group, N is the number of lamps actually searched in each group, i is the lamp number, and j is the lamp group number;

[0097] 8. From P j Select the maximum value, and its corresponding group number is the light group that the dimmer needs to adjust;

[0098] 9. Calculate the error value e between the measured illuminance and the ambient illuminance according to the following formula:

[0099] e=|L D -L S |

[0100] Where L S is the current illumination value, L D The default value

[0101] 10. If e is greater than L D *6%+6 lux, and L D >L S， Control the brightness percentage of the lamp plus 1. If L D <L S， Control the brightness percentage of the lamp minus 1;

[0102] 11. Calculate the illumination error e. When e is equal to 0 or less than L D *6% + 6 lux, or L D With L S If the magnitude relationship of is reversed, the dimming is terminated; otherwise, steps 9, 10, and 11 are executed again.

[0103] Based on the above technical solution, in order to improve the use effect of the equipment, such as Fig.10 As shown,

[0104] The dimmer is integrated with the mobile terminal.

[0105] The Bluetooth chip of the dimmer is shared with the Bluetooth chip of the mobile terminal, the display screen is shared with the touch display of the mobile terminal, the control button is independently set on the touch display of the mobile terminal, the photoreceptor is communicated with the processor in the mobile terminal, the signal is transmitted to the processor of the mobile terminal through the photoreceptor for data processing, and displayed on the touch display screen, and then operated on the mobile terminal, and the illumination value of the lamp is adjusted by communicating with the lamp through the Bluetooth chip on the mobile terminal.

[0106] The photoreceptor S1 is integrated on the body S6 of the mobile terminal, and the hemispherical light guide cover of the photoreceptor protrudes from the outside of the body of the mobile terminal. The illumination information detected by the photoreceptor is displayed in specific data through the touch display of the mobile terminal, and the operator makes corresponding lamp illumination adjustments on the mobile terminal.

[0107] The mobile terminal integrates photosensors, and the lighting control app runs directly on the mobile terminal (tablet), realizing functions such as lamp grouping, locating areas, and adjusting the illumination of the lighting system, reducing the matching problems between multiple devices and improving the efficiency of the operation process.

[0108] The above embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the attached claims.

[0109] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dimming device based on illumination perception, characterized in that: The device comprises a mobile terminal and a dimmer, wherein the dimmer comprises a body and a photoreceptor, a Bluetooth chip, a control button, a display screen and a radio frequency antenna integrated in the body, wherein a hemispherical light guide cover of the photoreceptor protrudes from the outside of the body, a signal end and a control button of the photoreceptor are respectively connected to corresponding connection points of the Bluetooth chip, the display screen is connected to a video signal output of the Bluetooth chip, and the radio frequency antenna is connected to a signal transceiver end of the Bluetooth chip.

2. The dimming device based on illumination perception according to claim 1, characterized in that: The control button comprises a power button, a start button and an illumination knob, and the power button, the start button and the illumination knob are respectively connected to the Bluetooth chip.

3. The dimming device based on illumination perception according to claim 2, characterized in that: The Bluetooth chip is used as a main control chip, has a built-in Bluetooth mesh protocol stack, and sends and receives signals through a radio frequency antenna to form a mesh network with mobile terminals and lamps.

4. The dimming device based on illumination perception according to claim 3, characterized in that: The mobile terminal is embedded with a lighting control app, which supports the Bluetooth mesh function. The lighting control app searches for lamps and dimmers through the Bluetooth mesh and adds them to the app.

5. The dimming device based on illumination perception according to claim 1, characterized in that: The dimmer is integrated with the mobile terminal.

6. The dimming device based on illumination perception according to claim 5, characterized in that: The Bluetooth chip of the dimmer is shared with the Bluetooth chip of the mobile terminal, the display screen is shared with the touch display of the mobile terminal, the control button is independently set on the touch display of the mobile terminal, and the photoreceptor is communicatively connected with the processor in the mobile terminal.

7. The dimming method of a dimming device based on illumination perception according to claim 4, characterized in that: The steps are: (1) Turn on the dimmer and lamp power supply; (2) Open the lighting control app on the mobile terminal, search for lamps and dimmer devices, and add them to the software; (3) Use the lighting control app to set different group names for different areas. The app automatically generates unique group numbers for different groups. Add all lamps in the area to their corresponding groups, and the lamps store the corresponding group numbers. (4) Place the dimmer in a certain area, and the dimmer automatically calculates the group number corresponding to the area based on the Bluetooth signal strength; (5) The dimmer controls the lamps in the area to adjust the illumination through the calculated group number until the preset parameter effect is achieved.

8. The dimming method of a dimming device based on illumination perception according to claim 7, characterized in that: According to step (4), the specific implementation method is: ①Search for nearby lamps; ② Count the number of lights actually searched in each group and the corresponding Bluetooth signal strength R; ③Calculate the Bluetooth signal power P of each light searched i =10 R / 10 , ④Calculate the Bluetooth search power P for each group j , the formula is as follows Where M is the total number of lamps in each group, N is the number of lamps in each group found, i is the lamp number, and j is the lamp group number; ⑤ From P j Select the maximum value, and its corresponding group number is the light group that the dimmer needs to adjust.

9. The dimming method of a dimming device based on illumination perception according to claim 7, characterized in that: According to step (5), the illumination adjustment method is: ① Rotate the illumination knob to set the preset illumination to a certain value; ②Press the confirmation button to start the dimming process; ③ Calculate the illumination error by measuring the actual illumination value of the area through the photoreceptor. The calculation formula is: and=|L D -THE S | Where L S is the current illumination value, L D is the preset value, e is the error; ④If e is greater than or equal to L D *6%+6 lux, and L D >L S， Control the brightness percentage of the lamp plus 1. If L D <L S， Control the brightness percentage of the lamp minus 1; ⑤ Calculate the illumination error e. When e is equal to zero or less than L D *6% + 6 lux, or L D With L S If the size relationship of is reversed, the dimming ends; otherwise, continue with steps ③④⑤.

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