CN110572895B - Primary and secondary lighting device, control method of primary and secondary lighting device and intelligent lighting system - Google Patents
Primary and secondary lighting device, control method of primary and secondary lighting device and intelligent lighting system Download PDFInfo
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Abstract
The invention relates to a primary and secondary lighting device, a control method of the primary and secondary lighting device and an intelligent lighting system. The primary and secondary lighting device comprises a primary machine, at least one secondary machine and a primary machine power supply control circuit, wherein a detection part, an MCU control circuit and a linkage power supply control circuit for controlling the secondary machine are further arranged in the primary machine, the detection part detects the peripheral information of the primary machine and sends the detected detection information to the MCU control circuit, the MCU control circuit receives and identifies the detection information sent by the detection part, a primary machine control signal corresponding to the detection information is sent to the primary machine power supply control circuit, a secondary machine control signal corresponding to the detection information is sent to the linkage power supply control circuit, and the primary machine power supply control circuit and the linkage power supply control circuit respectively adjust the primary machine and the secondary machine according to the control signals. The invention can realize the light modulation of the submachine in a linkage control manner, thereby realizing energy saving and environmental protection.
Description
Technical Field
The present disclosure relates to lighting devices, and particularly to a primary and secondary lighting device, a control method of the primary and secondary lighting device, and an intelligent lighting system using the primary and secondary lighting device.
Background
The primary and secondary lighting device usually has two lamp sets, one is a secondary machine (secondary lighting lamp) and the other is a primary machine (primary lighting lamp), so that people can selectively turn on the secondary machine or the primary machine according to the use requirements, and can provide more than two light sources with different brightness according to the requirements of different occasions, thereby not only having more use functions than a common lighting system, but also not occupying more space. In addition, the user can set a master machine at the door or in the courtyard, and set a slave machine in the living room or other places. The master unit and the slave units are controlled in a linkage manner, when the master unit is turned ON, the slave units are turned ON, when the master unit is turned OFF, the slave units are turned OFF, and the slave units receive signals of the master unit and are turned ON/OFF, so that the slave units are not turned ON/OFF independently.
The existing primary and secondary lighting devices only have an ON/OFF function generally, have a stepless dimming function, and can not flexibly adjust the brightness of a secondary machine according to the environment or the requirements of users and save energy.
Disclosure of Invention
The invention aims to provide a primary and secondary lighting device, a control method and an intelligent lighting system, so as to solve the defects in the prior art.
The invention provides a primary and secondary lighting device, which comprises a primary machine, at least one secondary machine and a primary machine power supply control circuit, and is characterized in that the primary machine is also internally provided with a detection part, an MCU control circuit and a linkage power supply control circuit for controlling the secondary machine, wherein the detection part detects the peripheral information of the primary machine and sends the detected detection information to the MCU control circuit, the MCU control circuit receives and identifies the detection information sent by the detection part, sends a primary machine control signal corresponding to the detection information to the primary machine power supply control circuit and sends a secondary machine control signal corresponding to the detection information to the linkage power supply control circuit, and the primary machine power supply control circuit and the linkage power supply control circuit respectively regulate the primary machine and the secondary machine according to the control signals.
In the preferable technical scheme of the primary-secondary lighting device, the secondary machine control signal is a PWM signal, the linkage power supply control circuit is a TRIAC dimming circuit, and the TRIAC circuit adjusts the secondary machine by changing the voltage applied to the secondary machine; the detection part comprises a human body sensor and/or an illumination sensor, the human body sensor senses human body activity information, the illumination sensor senses the intensity of ambient light to detect illumination, and the MCU control circuit generates a submachine control signal to adjust the submachine based on the received human body activity information and/or the ambient light intensity information; the detection part comprises a control mode selection switch, the mode selection switch selects one of a plurality of control modes preset in the primary and secondary lighting devices, and the MCU control circuit generates a secondary machine control signal to regulate the secondary machine based on the control mode selected by the control mode selection switch.
In another preferred embodiment of the primary and secondary lighting device of the present invention, the adjusting operation of the primary or secondary lighting device according to the primary or secondary control signal includes at least one of lighting on the primary or secondary lighting device, turning off the primary or secondary lighting device, adjusting the brightness of the primary or secondary lighting device, and controlling the lighting time of the primary or secondary lighting device, and the primary control signal is a PWM signal, and the primary and secondary control signals have the same or different duty ratios.
In another preferred technical scheme of the primary-secondary lighting device, the secondary machine is a lamp in a phase dimming mode, the mode selection switch is a rotary switch, and the human body sensor is an infrared sensor.
In another preferred embodiment of the primary and secondary lighting device of the present invention, at least one of the control modes is: detecting the environment light intensity information and whether human body activity information exists, comparing the environment light intensity information with a preset light threshold value by the MCU control circuit, if the human body activity information is detected and the detected environment light intensity information is within the set light threshold value, adjusting a PWM value by the MCU control circuit according to preset information, sending a submachine control signal corresponding to the detection information to the linkage power supply control circuit, and controlling the submachine to light corresponding preset brightness and preset duration.
In another preferred embodiment of the primary and secondary lighting device of the present invention, at least one of the control modes is: and detecting the intensity information of the ambient light, comparing the detected intensity information of the ambient light with a preset light threshold value by the MCU control circuit, if the detected intensity information of the ambient light is within the preset light threshold value, adjusting a PWM (pulse width modulation) value by the MCU control circuit according to preset information, sending a sub machine control signal corresponding to the detected information to the linkage power supply control circuit, and controlling the sub machine to light corresponding preset brightness and preset duration.
In another preferred technical solution of the primary and secondary lighting device of the present invention, at least one of the control modes is: and detecting whether the human body activity information exists or not, and if the human body activity information is detected, adjusting the PWM value by the MCU control circuit according to preset information, sending a submachine control signal corresponding to the detected human body activity information to the linkage power supply control circuit, and controlling the submachine to light corresponding preset brightness and preset duration.
The invention also provides a control method of the primary and secondary lighting device, the primary and secondary lighting device comprises a primary machine, at least one secondary machine and a primary machine power supply control circuit, the primary machine is also internally provided with a detection part, an MCU control circuit and a linkage power supply control circuit for controlling the secondary machine, and the control method comprises the following steps:
s1: the detection part detects peripheral information of the master unit and sends the detected detection information to the MCU control circuit;
s2: the MCU control circuit receives and identifies the detection information sent by the detection part, sends a master control signal corresponding to the detection information to the master power supply control circuit, and sends a slave control signal corresponding to the detection information to the linkage power supply control circuit;
s3: the master machine power supply control circuit and the linkage power supply control circuit respectively regulate the master machine and the slave machine according to the received control signals.
In the control method of the primary and secondary lighting device, as an optimal technical scheme, the secondary machine control signal is a PWM signal, the linkage power supply control circuit is a TRIAC dimming circuit, and the TRIAC circuit adjusts the secondary machine by changing the voltage applied to the secondary machine; the detection part comprises a human body sensor and/or an illumination sensor, the human body sensor senses human body activity information, the illumination sensor senses the intensity of ambient light to detect illumination, and the MCU control circuit generates a submachine control signal to adjust the submachine based on the received human body activity information and/or the ambient light intensity information; the detection part comprises a control mode selection switch which selects one of a plurality of control modes preset in the primary-secondary lighting device, and the MCU control circuit generates a secondary machine control signal based on the control mode selected by the control mode selection switch to regulate the secondary machine.
The invention also provides a control method of the primary and secondary lighting devices, the primary and secondary lighting device using the control method comprises a primary machine, at least one secondary machine and a primary machine power supply control circuit, a detection part, an MCU control circuit and a linkage power supply control circuit for controlling the secondary machine are also arranged in the primary machine, a human body sensor and a light intensity sensor are arranged in the detection part, and the control method comprises the following steps:
s1: the human body sensor and the illuminance sensor detect the ambient light intensity information and whether human body activity information exists or not, and send the detected detection information to the MCU control circuit;
s2: the MCU control circuit receives the detection information sent by the detection part and compares the detected ambient light intensity information with a preset light threshold;
s3: if the human body activity information is detected and the detected ambient light intensity information is within the set light threshold value, the MCU control circuit adjusts the PWM value according to the preset information, a submachine control signal corresponding to the detected detection information is sent to the linkage power supply control circuit, the linkage power supply control circuit adjusts the submachine according to the submachine control signal, and the submachine is controlled to light corresponding preset brightness and preset duration;
s4: and if the ambient light intensity information is greater than the set light threshold, the submachine is not lightened.
The invention also provides a control method of the primary and secondary lighting devices, the primary and secondary lighting device using the control method comprises a primary machine, at least one secondary machine and a primary machine power supply control circuit, the primary machine is also internally provided with a detection part, an MCU control circuit and a linkage power supply control circuit for controlling the secondary machine, the detection part is internally provided with a light intensity sensor, and the control method comprises the following steps:
s1: the illuminance sensor detects ambient light intensity information and sends the detected detection information to the MCU control circuit;
s2: the MCU control circuit receives the detection information sent by the detection part and compares the detected ambient light intensity information with a preset light threshold;
s3: if the detected ambient light intensity information is within the set light threshold, the MCU control circuit adjusts the PWM value according to preset information, a submachine control signal corresponding to the detected information is sent to the linkage power supply control circuit, and the linkage power supply control circuit adjusts the submachine according to the submachine control signal and controls the submachine to light corresponding preset brightness and preset duration;
s4: and if the detected ambient light intensity information is greater than the set light threshold, not lighting the submachine.
The invention also provides a control method of the primary and secondary lighting devices, the primary and secondary lighting device using the control method comprises a primary machine, at least one secondary machine and a primary machine power supply control circuit, the primary machine is also internally provided with a detection part, an MCU control circuit and a linkage power supply control circuit for controlling the secondary machine, a human body sensor is arranged in the detection part, and the control method comprises the following steps:
s1: the human body sensor detects whether human body activity information exists or not and sends the detected human body activity information to the MCU control circuit;
s2: if the human body activity information is detected, the MCU control circuit adjusts the PWM value according to preset information, a submachine control signal corresponding to the detected human body activity information is sent to the linkage power supply control circuit, the linkage power supply control circuit adjusts the submachine according to the submachine control signal, and the submachine is controlled to light corresponding preset brightness and preset duration.
The invention also provides an intelligent lighting system which comprises any one of the primary and secondary lighting devices provided by the invention.
According to the technical scheme of the invention, based on the dimming technology of the LED, the purpose of flexibly adjusting the brightness of the lighting device is realized by utilizing the MCU control circuit (microcontroller) and the TRIAC circuit which are built in the lighting device.
Furthermore, according to the technical scheme of the invention, the lighting of the submachine and the brightness adjustment of the submachine and the main machine can be controlled in a linkage manner according to the human activity information sensed by the human body sensor arranged on the main machine and the external light illumination information sensed by the ambient light sensor, and the energy conservation can be realized fully according to the information such as natural light, people and the like, so that the energy consumption is reduced, and the corresponding service life of the lighting lamp can be prolonged.
Drawings
Fig. 1 is a schematic circuit diagram of a primary-secondary lighting device according to the present invention.
Fig. 2 is a schematic view of the structure of the detecting part in fig. 1.
Fig. 3 (a) shows a voltage waveform applied to a slave unit in a conventional neutron lighting device.
Fig. 3 (b) is a voltage waveform applied to the slave unit based on the PWM control in the child-mother lighting apparatus according to the present invention.
Fig. 4 (a) and 4 (b) are schematic diagrams of the multiple dimming of the slave unit.
Detailed Description
The invention uses the microcontroller (MCU control circuit) to generate PWM signals with different duty ratios, thereby realizing the adjustment of the output light of the LED primary and secondary lighting equipment. When receiving the detection information result corresponding to the set control mode, the MCU control circuit generates a PWM signal according to the corresponding dimming requirement, and sends the PWM signal to the TRIAC circuit, and the TRIAC circuit is used for dimming the submachine in the mother lighting device. The input voltage value of the sub-machine obtained by the AC power supply is determined by the conduction time of the TRIAC circuit, the effective input voltage is increased if the conduction time is long, and the effective input voltage is decreased if the conduction time is short, so that the aim of adjusting the brightness of the lamp is fulfilled by utilizing the change of the voltage.
Fig. 1 is a schematic circuit diagram of a primary-secondary lighting device according to the present invention.
As shown in fig. 1, the parent-child lighting device includes an AC power supply 1, a parent device 2, a child device 3, a TRIAC (TRIAC) circuit 4 (coordinated power supply control circuit 4), an MCU control circuit 5, a detection unit 6 (not shown), and a parent device load 7. In the figure, ports N and L are interface pins of the commercial power, and LOD0 and N0 and LOD3 and N3 are connection pins of the master unit and the slave unit. The slave unit may be a plurality of slave units. The parent-child lighting device further includes a parent power control circuit (not shown). As shown in fig. 1, the AC power source 1 is connected to N5, L5 terminals of the parent machine 2 through coupling terminals N2, L2 of the circuit breaker 12, and is coupled to a rectifying circuit U2 through a FUSE unit FUSE1, thereby supplying dc power to the parent machine load 7. The slave unit 3 (which may include one or more, for example, 1 to 4 slave units) is connected to the N0 and LOD0 terminals of the master unit 2 via the N3 and LOD3 terminals, and the N0 terminal is connected to the N5 terminal of the master unit 2 via the FUSE unit FUSE 2.
The coordinated power control circuit 4 (i.e., the TRIAC circuit 4) receives the PWM signal transmitted from the MCU control circuit 5, and adjusts the slave unit 3 according to the PWM signal. Linkage power control circuit 4 is by opto-coupler U1, resistance R1, R2, and electric capacity C1 and bidirectional thyristor Q1 constitute, and the one end that FUSE unit FUSE1 and rectifier circuit U2 link to each other is connected to thyristor Q1's terminal 13 to connecting resistance R1, C electric capacity 1, resistance R1, C electric capacity 1 constitute anti-jamming circuit and connect thyristor Q1's trigger end G and terminal 13, are used for guaranteeing bidirectional thyristor Q1 stable action, and the PWM signal end of the outer MCU control circuit 5 output of opto-coupler U1's the primary side connecting circuit board 12, and the terminal 14 and the LOD0 of thyristor are connected respectively to opto-coupler U1's luminous side the trigger terminal G of connecting the silicon controlled rectifier and through resistance R2.
The power supply path from the AC power supply 1 to the handset 3 is:
l terminal of AC power supply
L5 terminal of mother machine
FUSE1
TRIAC circuit
LOD0
L terminal of sub-machine
N terminal of sub-machine
FUSE2
The N terminal of the AC power source.
The secondary machine is arranged in a living room or a main bedroom, and the primary machine is arranged at a position different from the position where the secondary machine is arranged, such as a door or a house.
Fig. 2 is a schematic view of the structure of the detecting unit 6 in fig. 1.
As shown in fig. 2, the detecting unit 6 includes a human body sensor 9, a light intensity sensor 10, and a rotary switch 11, and the detecting unit 6 can detect human body movement and light intensity information around the mother machine.
The human body sensor 9 is used for detecting and sensing human body activity information, the illuminance sensor 10 senses the intensity of ambient light to perform illuminance detection to judge the intensity of ambient light, and the detected human body activity information and the ambient light intensity information are used as the basis for dimming the sub-machine.
A user selects a control mode through a preset setting position of a rotary switch 11, a human body sensor 9 and/or a light intensity sensor 10 in a detection part 6 are combined, a MCU control circuit 5 sends preset PWM signals with different duty ratios to a TRIAC circuit 4 according to human body activity information and/or ambient light intensity information detected by the detection part 6, a sub-lamp is controlled to act according to a preset corresponding control mode to carry out lighting, extinguishing and/or dimming operations, continuous lighting time can be set, and richer segmented dimming is realized. The continuous lighting time is preset by preset software. The rotary switch 11 may be replaced by a touch panel or a selection button.
In a preferred embodiment, the body sensor 9 is an infrared sensor, which uses human generated thermal infrared radiation to generate electrical signals.
As shown in fig. 1 and 2, the detection unit 6 transmits the human body movement information detected by the human body sensor 9, the ambient light intensity information detected by the illuminance sensor 10, and the setting mode (setting position) of the rotary switch 11 to the MCU control circuit 5. The MCU control circuit 5 transmits a PWM (pulse width modulation) signal to the TRIAC circuit 4 according to the human body activity information and/or the ambient light intensity information transmitted from the detection unit 6 in combination with the setting mode of the rotary switch 11, so that the TRIAC circuit 4 performs ON/OFF operation, thereby realizing dimming control of the handset 3. Therefore, the sub-unit can be appropriately dimmed according to, for example, the detected external lumen value and the human body activity information, and the output of the sub-unit can be reduced.
The MCU control circuit 5 further sends a master control signal corresponding to the detection information to a master power control circuit (not shown), and adjusts the master according to the master control signal.
Dimming to the parasite aircraft, including: at least one operation of lighting the submachine, extinguishing the submachine, adjusting the brightness of the submachine and controlling the lighting time of the submachine.
Dimming of a master comprising: and at least one operation of lighting the main machine, extinguishing the main machine, adjusting the brightness of the main machine and controlling the lighting time of the main machine.
In a preferred embodiment, the sub-machine is a lamp in a phase dimming mode. When the TRIAC circuit 4 performs the ON/OFF operation, the handset is dimmed, i.e., the luminance is reduced to 25%, for example, and when the TRIAC circuit 4 maintains the ON operation, the handset 100% full is lit, and when the TRIAC circuit 4 maintains the OFF state, the handset is in the OFF state. Of course, a single ON/OFF type lamp may be selected as the slave lamp.
Fig. 3 (a) shows a voltage waveform applied to a slave unit in a conventional neutron lighting device.
As shown in fig. 3 (a), the MCU control circuit outputs an ON/OFF signal to the TRIAC circuit, and in the OFF signal control state, the AC power supplies a complete AC power to the slave unit through the TRIAC circuit, so that the brightness of the slave unit is 100%, and in the ON signal control state, the TRIAC circuit is OFF, so that the AC power does not supply a voltage to the slave unit, so that the slave unit is in the OFF state, and the brightness is 0%.
Fig. 3 (b) is a voltage waveform applied to the slave unit based on the PWM control in the child-mother lighting apparatus according to the present invention.
First, in the first stage, the MCU control circuit 5 does not output the PWM control signal pulse, which is the same as the part shown in fig. 3 (a), and is not described herein again.
In the second phase, the MCU control circuit 5 outputs a series of pulses of the PWM control signal, which are used to control the TRIAC circuit 4. The PWM control signal pulses with different cycle ratios can make the conduction time lengths of the TRIAC circuit 4 different, so that the effective values of the voltages applied to the handset by the AC power supply 1 are different, thereby realizing the dimming of the handset. In other words, the width of the control signal pulse is modulated so that the TRIAC circuit 4 adjusts the conduction angle (ON period) to change the magnitude of the effective voltage value applied to the slave unit, thereby changing the luminance of the slave unit and realizing richer dimming in stages.
According to a preferred embodiment of the present invention, the lighting device is a sub-lighting device, and the sub-lighting device is mainly used for implementing segmented dimming, such as lighting only 25% or 30%. More segment dimming can be provided while ensuring the operation of the TRIAC circuit 4.
When the human body sensor 9 in the detection part 6 detects that a person exists, the MCU control circuit 5 can give a low level signal to turn on the whole lamp of the sub-machine, and when the presence of a person is not detected and a certain preset condition is satisfied, the MCU control circuit 5 gives a PWM signal to perform a step dimming, for example, only turn on 25%. When the MCU control circuit 5 gives a high level signal, the sub-machine is turned off.
The MCU control circuit 5 can perform a stepwise dimming operation based on the ambient light intensity information detected by the illuminance sensor 10 in the detection unit 6. For example, when it is detected that the ambient light is dark (for example, the ambient brightness is less than 5 lx), the PWM signal sent by the MCU control circuit 5 to the TRIAC circuit 4 has a duty ratio of 40%. When detecting that the ambient light is dark (for example, the ambient brightness is greater than 25 lx), the MCU control circuit 5 sends the PWM signal to the TRIAC circuit 4 with a duty cycle of 25%.
The MCU control circuit 5 can realize the segmented dimming according to the human body activity information and the ambient light intensity information detected by the detection part 6 by combining the human body sensor 9 and the illuminance sensor 10 in the detection part 6. For example, when a person is detected and the ambient brightness is detected to be 50lx, the PWM signal transmitted from the MCU control circuit 5 to the TRIAC circuit 4 has a duty ratio of 40%. When the ambient brightness is detected to be 100lx, the PWM signal sent by the MCU control circuit 5 to the TRIAC circuit 4 has a duty ratio of 25%.
Fig. 4 (a) and 4 (b) are schematic diagrams of two dimming level examples of the multiple dimming of the slave unit. As shown in fig. 4 (a) and 4 (b), the voltage waveform of the slave unit differs depending on the PWM control signal transmitted from the MCU control circuit 5 to the TRIAC circuit 4, and different dimming levels can be generated.
Preferably, the MCU control circuit 5 also sends a PWM master control signal corresponding to the detection information to a master power control circuit (not shown), and adjusts the master according to the master control signal.
In the invention, for the slave machine, the MCU control circuit 5 sends PWM signals with different cycle ratios to the TRIAC circuit 4 to ensure that the conduction time lengths of the TRIAC circuit 4 are different, thereby realizing phase dimming, and the master machine realizes the master machine dimming by sending the PWM signals to the master machine power supply control circuit. In this case, the duty ratios of the PWM signals transmitted to the slave unit and the master unit may be different from each other, and may be set based on the FULL lighting current and the step dimming current.
Specifically, for example, the control port of the master device is 17pin, the control port of the slave device is 22pin, the MCU control circuit 5 transmits PWM signals to the control port of 17pin and the control port of 22pin, respectively, and the PWM signals transmitted to the control port of 17pin and the PWM signals transmitted to the control port of 22pin are different from each other. For example, the duty ratio of the two is different because, for example, in the full lighting mode, the current of the master unit is 200mA, and the current of the slave unit is 160mA, and the PWM signals of the master unit and the slave unit need to be different to satisfy the respective dimming characteristics.
The "control mode" according to the present invention is described below with reference to table 1.
In table 1, 9 control modes in total, i.e., modes 0 to 8, are listed, and when a user selects a certain mode by adjusting the position of the rotary switch 11, whether the mode belongs to the "welcome-to-home mode" is selected according to the corresponding condition in the mode listed in table 1, and if the mode belongs to the "welcome-to-home mode", the preset duration of the welcome-to-home mode corresponds to the duration of the mode. Then, the lighting device controls the sub-lamps to turn on, turn off, and/or dim the light by sending PWM signals with different duty ratios to the TRIAC circuit 4 based on the selected control mode in combination with the human activity information and/or the ambient light intensity information detected by the human body sensor 9 and/or the illuminance sensor 10.
In the case that the duration of the "welcome home mode" is 4 hours, as shown in control mode 1, it means that the primary and secondary lighting devices will operate in the "welcome home mode" 4 hours after the system-preset home time (for example, 8 o 'clock in the evening) is selected by the user, that is, until 12 o' clock in the evening.
In table 1, the "leaving mode" in the control mode 8 means that when the user leaves home, i.e., when the user knows that he does not get home at night or within a certain number of days, and does not want the slave unit to be turned on by itself according to the detection result by setting of another control mode during leaving home, the "leaving mode" is selected so that the MCU control circuit 5 ignores the detected illuminance information and the human body movement information, and the master lamp and the slave lamp are always kept off and are not turned on by the detection result from the detection unit.
In addition, although not shown in table 1, in a preferred embodiment, another "leaving mode" may be included, in which the system is preset with a leaving time, for example, 8 o 'clock in the morning of working day, and in the case that the "leaving mode" is set to 9 hours, the primary and secondary lighting devices are operated in the "leaving mode" until 5 o' clock in the evening. In this "away mode", the detected illuminance information and the human body movement information are set to be ignored, and therefore, even when the light is temporarily turned dark due to a cloudy day or other conditions easily cause erroneous detection of the human body movement information, the sub lamp and the main lamp are not turned on by the detection results. But instead will go to the normal "welcome home mode" or other mode after a specified 9 hours has elapsed.
At least one control mode in the present invention may be: detecting environment light intensity information and whether human activity information exists, comparing the environment light intensity information with a preset light threshold value by the MCU control circuit, if the human activity information is detected, and the environment light intensity information is in the set light threshold value, adjusting a PWM (pulse width modulation) value by the MCU control circuit according to preset information, sending a sub machine control signal corresponding to the detection information to the TRIAC circuit, controlling a sub machine to light corresponding preset brightness and preset duration, and if the environment light intensity information is greater than the set light threshold value, not lighting the sub machine.
In addition, at least one control mode of the present invention may be: detecting ambient light intensity information, comparing the ambient light intensity information with a preset light threshold value by the MCU control circuit, and if the ambient light intensity information value is within the set light threshold value, adjusting a PWM (pulse width modulation) value according to preset information by the MCU control circuit, sending a sub machine control signal corresponding to the detection information to the TRIAC circuit, controlling a sub machine to light corresponding preset brightness and preset duration, and if the ambient light intensity value is greater than the set light threshold value, not lighting the sub machine.
In addition, the at least one control mode may be: and detecting whether human body activity information exists or not, and if the human body activity information is detected, adjusting the PWM value by the MCU control circuit according to preset information, sending a submachine control signal corresponding to the detection information to the TRIAC circuit, and controlling the submachine to light corresponding preset brightness and preset duration.
Table 1 is an embodiment of a sub-lamp intelligent control setting mode having a welcome-home mode and a away-home mode.
As shown in table 1, according to the preset 9-step setting position of the rotary switch 11, in combination with the brightness of the ambient light intensity information and whether the human body sensor 9 detects the human body activity information, the child-mother lighting device of the present invention has the following control modes:
control mode 0: the "welcome-home mode" is not included in this control mode. When the position selected by the rotary switch 11 is "0", at this time, if the human body sensor 9 detects the human body activity information and the ambient light intensity information is less than 5lx, the MCU control circuit 5 gives a low level signal, the master and the linked slave are both turned ON at 100%, and after the lighting is maintained (ON) for 1 minute, if the human body activity information cannot be detected, the master and the linked slave are both turned OFF (OFF). Since the motion sensor 9 continuously detects the presence or absence of the motion information, if the master unit and the slave unit linked to each other are kept lit at 100% for 1 minute, and the motion information is still detected, the lighting is kept at 100% for 1 minute. This is repeated until the master unit and the slave units linked with each other are turned OFF (OFF) when the human body movement information cannot be detected after the lighting is maintained at 100% for 1 minute. The extinguished primary-secondary lighting device is also turned on by 100% again when the human body sensor 9 detects the human body activity information again.
If the human body sensor 9 detects human body activity information but the ambient light intensity information is more than 5lx, the master machine and the linked slave machines are both kept in an off state;
control mode 1: the mode includes a "welcome to home mode" in which a set time period is 4 hours, and the operation of the control mode requires sensing information of the illuminance sensor 10 and sensing information of the human body sensor 9. When the position selected by the rotary switch 11 is "1", if the ambient light intensity information is less than 5lx, the MCU control circuit 5 transmits a PWM signal with a duty ratio of 25% to the TRIAC circuit 4, the master and the linked slave units are both turned ON (ON) by 30% and continuously maintained, if the human body sensor 9 detects human body activity information at any time point within 4 hours of the time period set by the "welcome-to-home mode", the MCU control circuit 5 gives a low level signal, the master and the linked slave units are turned ON by 100% from 30%, and after the human body activity information is still detected after the human body activity information is maintained for 1 minute, the lighting is continuously maintained for 1 minute by 100%, if the human body activity information is not detected after the lighting for 1 minute continuously, the MCU control circuit 5 transmits a PWM signal with a duty ratio of 25% to the TRIAC circuit 4, and the master and the linked slave units are dimmed to 30% and are maintained until the lighting is completed by 4 hours set by the "welcome-to-home mode".
When the time length specified by the 'welcome to home mode' is finished within 4 hours, the primary and secondary lighting devices exit from the 'welcome to home mode', and the primary unit and the linked secondary unit are kept in an OFF state (OFF) no matter what the detection results of the illuminance sensor 10 and the human body sensor 9.
Control mode 2: the control mode includes a "welcome to home mode" in which a time period is set to 8 hours, and the control mode is operated based on the sensing information of the illuminance sensor 10 and the sensing information of the human body sensor 9. When the selected position of the rotary switch 11 is "2", if the ambient light intensity information is less than 5lx, and the PWM signal sent by the MCU control circuit 5 to the TRIAC circuit 4 has a duty ratio of 25%, the master and the coupled slave units are both turned ON (ON) by 30% and continuously maintained, if the human body sensor 9 detects human body activity information at any time point within 8 hours of the time period set by the "welcome to home mode", the MCU control circuit 5 sends a low level signal, the master and the coupled slave units are turned ON from 30% to 100% and are continuously maintained for 1 minute after the human body activity information is still detected after the human body activity information is maintained for 1 minute, and if the human body activity information is not detected after the continuous 1 minute lighting, the PWM signal with a duty ratio of 25% is sent to the TRIAC circuit 4 through the MCU control circuit 5, the master and the coupled slave units are dimmed to 30% and are maintained until the time period is finished by 8 hours specified by the "welcome to home mode".
When the time length specified by the 'welcome to home mode' is finished for 8 hours, the primary and secondary lighting devices exit the 'welcome to home mode', and the primary unit and the linked secondary unit are kept in an OFF state (OFF) regardless of the detection results of the illuminance sensor 10 and the human body sensor 9.
Control mode 3: the "welcome-home mode" is not included in this control mode. When the position selected by the rotary switch 11 is "3", at this time, if the human body sensor 9 detects the human body activity information and the ambient light intensity information is less than 25lx, the MCU control circuit 5 gives a low level signal, the master and the linked slave are both turned ON at 100%, and after the lighting is maintained (ON) for 1 minute, if the human body activity information cannot be detected, the master and the linked slave are both turned OFF (OFF). Since the motion sensor 9 continuously detects the presence or absence of the motion information, the master unit and the linked slave units continue to be lit at 100% for 1 minute if the motion information is still detected after the master unit and the linked slave units are kept lit at 100% for 1 minute. This is repeated until the master unit and the slave units linked with each other are turned OFF (OFF) when the human body movement information cannot be detected after the lighting is maintained at 100% for 1 minute. The extinguished primary and secondary lighting device can be turned on again by 100 percent when the human body sensor 9 detects the human body activity information again.
If the human body sensor 9 detects the human body activity information, but the ambient light intensity information is more than 25lx, the master machine and the linked slave machines are both kept in an off state.
Control mode 4: the control mode includes a "welcome home mode" in which a set time period is 4 hours, and the control mode is operated based on the sensing information of the illuminance sensor 10 and the sensing information of the human body sensor 9. When the selected position of the rotary switch 11 is "4", if the ambient light intensity information is less than 25lx and the MCU control circuit 5 transmits a PWM signal with a duty ratio of 15% to the TRIAC circuit 4, the master and the coupled slave machines are both turned ON (ON) at 20% and continuously maintained, if the human body sensor 9 detects human body activity information at any time point within 4 hours set by the "welcome to home mode", the MCU control circuit 5 gives a low level signal, the master and the coupled slave machines are turned ON at 100% from 20%, and after the master and the coupled slave machines are maintained at 100% for 1 minute, if the human body activity information is still detected, the master and the coupled slave machines are continuously maintained at 100% for 1 minute, and if the human body activity information is not detected after the continuous 1 minute lighting, the MCU control circuit 5 transmits a PWM signal with a duty ratio of 15% to the TRIAC circuit 4, and the master and the coupled slave machines are dimmed to 20% and maintained until the lighting is ended until 4 hours specified by the "welcome to home mode".
When the time length specified by the 'welcome to home mode' is finished for 4 hours, the primary and secondary lighting devices exit the 'welcome to home mode', and the primary unit and the linked secondary unit are kept in an OFF state (OFF) regardless of the detection results of the illuminance sensor 10 and the human body sensor 9.
Control mode 5: the control mode includes a "welcome home mode" in which a time period is set to 8 hours, and the control mode is operated based on the sensing information of the illuminance sensor 10 and the sensing information of the human body sensor 9. When the rotary switch 11 is at the selected position of "5", if the detected ambient light intensity information is less than 25lx, the MCU control circuit 5 sends a PWM signal with a duty ratio of 15% to the TRIAC circuit 4, the master and the linked slave units are both turned ON (ON) at 20% and continuously maintained, if the human body sensor 9 detects human body activity information at any time within 8 hours of the time set by the "welcome return mode", the MCU control circuit 5 gives a low level signal, the master and the linked slave units are turned ON at 100% from the turn ON, and after the 100% turn ON for 1 minute, if the human body activity information is still detected, the 100% turn ON is continuously maintained for 1 minute, if the human body activity information is not detected after the continuous 1 minute turn ON, the MCU control circuit 5 sends a PWM signal with a duty ratio of 15% to the TRIAC circuit 4, and the master and the linked slave units are dimmed to 20% and are maintained until the turn ON and maintained until 8 hours specified by the "welcome return mode" end.
When the time length specified by the 'welcome to home mode' is finished within 8 hours, the primary-secondary lighting device exits the 'welcome to home mode', and the primary unit and the linked secondary unit are kept in an OFF state (OFF) no matter what the detection results of the illuminance sensor 10 and the human body sensor 9.
Control modes 6-7: the control mode does not include a "welcome home mode". When the rotary switch 11 selects any one of the positions "6" and "7", no matter the environment is bright or dark, as long as the human body activity information is detected, the MCU control circuit 5 transmits a low level signal to the TRIAC circuit 4, so that the master and the linked slave are both turned ON by 100% (ON), and after the lighting is maintained by 100% for 5 seconds, if the human body activity information cannot be detected, the MCU control circuit 5 gives a high level signal, and the master and the linked slave are both turned OFF (OFF).
Since the motion sensor 9 continuously detects the presence or absence of the motion information of the human body, if the master unit and the slave unit linked to each other are kept lit for 5 seconds at 100%, and then the motion information of the human body is still detected, the lighting is kept at 100% for 5 seconds. This is repeated until both the master unit and the slave units are turned OFF (OFF) when the human body movement information cannot be detected after the lighting is maintained at 100% for 5 seconds. The extinguished primary and secondary lighting device can be turned on again by 100 percent when the human body sensor 9 detects the human body activity information again, and the process is repeated.
Control mode 8: this control mode has been explained previously and will not be described in detail here.
TABLE 1
The control modes of the embodiment of the present invention are described above with reference to table 1, but it should be noted that the numerical values in the embodiment of the present invention are only examples, and parameters such as the time duration of the welcome mode, the illuminance detection condition, the duty ratio of the PWM control signal, the lighting maintaining time, etc. are not limited to the present invention, and can be properly adjusted and changed according to the circuit optimization design of the lighting device and the requirements of the user of the product.
According to the technical scheme of the invention, based on the dimming technology of the LED, the purpose of continuously and stably adjusting the brightness of the lighting device can be realized by utilizing the MCU control circuit (microcontroller) 5 and the TRIAC circuit 4 which are arranged in the lighting device.
Furthermore, according to the technical scheme of the invention, the lighting of the submachine and the brightness adjustment of the submachine can be controlled in a linkage manner according to the human activity information sensed by the human body sensor arranged on the master machine and the external light illumination information sensed by the ambient light sensor arranged on the master machine, and the energy conservation can be realized fully according to the information such as natural light, whether people exist and the like, so that the energy consumption is reduced, and the corresponding service life of the lighting lamp can be prolonged.
It will be appreciated by those of ordinary skill in the art that in the embodiments described above, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solutions claimed in the claims of the present application can be basically implemented without these technical details and various changes and modifications based on the above embodiments. Accordingly, in actual practice, various changes in form and detail may be made to the above-described embodiments without departing from the spirit and scope of the invention.
Claims (22)
1. A son-mother lighting device comprises a mother machine, at least one son machine and a mother machine power supply control circuit, and is characterized in that a detection part, an MCU control circuit and a linkage power supply control circuit for controlling the son machine are further arranged in the mother machine, the detection part detects peripheral information of the mother machine and sends the detected detection information to the MCU control circuit, the MCU control circuit receives and identifies the detection information sent by the detection part, sends a mother machine control signal corresponding to the detection information to the mother machine power supply control circuit and sends a son machine control signal corresponding to the detection information to the linkage power supply control circuit, the duty ratios of the mother machine control signal and the son machine control signal are different, and the mother machine power supply control circuit and the linkage power supply control circuit respectively regulate the mother machine and the son machine according to the mother machine control signal and the son machine control signal;
the detection part comprises a control mode selection switch, the mode selection switch selects one of a plurality of control modes preset in the primary-secondary lighting device, the MCU control circuit generates a secondary machine control signal based on the control mode selected by the control mode selection switch to adjust the secondary machine, and the secondary machine is controlled to light corresponding preset brightness and preset time.
2. The parent-child lighting device of claim 1,
the submachine control signal is a PWM signal, the linkage power supply control circuit is a TRIAC dimming circuit, and the TRIAC dimming circuit adjusts the submachine by changing the voltage applied to the submachine;
the detection part comprises a human body sensor and/or a light intensity sensor, the human body sensor senses human body activity information, the light intensity sensor senses the intensity of ambient light to detect the illumination, and the MCU control circuit generates a submachine control signal to adjust the submachine based on the received human body activity information and/or the ambient light intensity information.
3. The parent lighting device of claim 2,
adjusting the submachine according to the submachine control signal, comprising: and at least one of lighting the submachine, extinguishing the submachine, adjusting the brightness of the submachine and controlling the lighting time of the submachine is operated.
4. Primary and secondary lighting fixture according to any one of claims 1-3,
the sub-machine is a phase dimming mode lamp.
5. The parent-child lighting device of claim 1,
adjusting the master according to the master control signal, comprising: at least one operation of lighting up the mother machine, turning off the mother machine, adjusting the brightness of the mother machine and controlling the lighting time of the mother machine;
the master control signal is a PWM signal.
6. The parent lighting device of claim 2,
the mode selection switch is a rotary switch and the human body sensor is an infrared sensor.
7. The parent-child lighting device of claim 2,
at least one of the control modes is: detecting environment light intensity information and whether human body activity information exists, comparing the environment light intensity information with a preset light threshold value by the MCU control circuit, if the human body activity information is detected and the environment light intensity information is within the set light threshold value, adjusting a PWM value by the MCU control circuit according to preset information, sending a submachine control signal corresponding to the detection information to the linkage power supply control circuit, and controlling the submachine to light corresponding preset brightness and preset duration.
8. The parent-child lighting device of claim 2,
at least one of the control modes is: and detecting ambient light intensity information, comparing the ambient light intensity information with a preset light threshold value by the MCU control circuit, if the ambient light intensity information is within the set light threshold value, adjusting a PWM (pulse width modulation) value by the MCU control circuit according to preset information, sending a submachine control signal corresponding to the detected information to the linkage power supply control circuit, and controlling the submachine to light corresponding preset brightness and preset duration.
9. The parent lighting device of claim 2,
at least one of the control modes is: and detecting whether human body activity information exists or not, and if the human body activity information is detected, adjusting the PWM value by the MCU control circuit according to preset information, sending a submachine control signal corresponding to the detected information to the linkage power supply control circuit, and controlling the submachine to light corresponding preset brightness and preset duration.
10. A control method of a primary-secondary lighting device comprises a primary unit, at least one secondary unit and a primary unit power supply control circuit, wherein a detection part, an MCU (microprogrammed control unit) control circuit and a linkage power supply control circuit for controlling the secondary unit are also arranged in the primary unit, the detection part comprises a control mode selection switch, the mode selection switch selects one of a plurality of control modes preset in the primary-secondary lighting device, the MCU control circuit generates a secondary unit control signal to regulate the secondary unit based on the control mode selected by the control mode selection switch, and the control method is characterized by comprising the following steps:
s1: the detection part detects peripheral information of the master unit and sends the detected detection information to the MCU control circuit;
s2: the MCU control circuit receives and identifies detection information sent by the detection part, sends a master machine control signal corresponding to the detection information to the master machine power supply control circuit, and sends a slave machine control signal corresponding to the detection information to the linkage power supply control circuit, wherein the duty ratios of the master machine control signal and the slave machine control signal are different;
s3: the master machine power supply control circuit and the linkage power supply control circuit respectively regulate the master machine and the submachine according to the master machine control signal and the submachine control signal.
11. The control method of a mother-son lighting device according to claim 10,
the submachine control signal is a PWM signal, the linkage power supply control circuit is a TRIAC dimming circuit, and the TRIAC dimming circuit adjusts the submachine by changing the voltage applied to the submachine;
the detection part comprises a human body sensor and/or a light intensity sensor, the human body sensor senses human body activity information, the light intensity sensor senses the intensity of ambient light to detect the illumination, and the MCU control circuit generates a submachine control signal to adjust the submachine based on the received human body activity information and/or the ambient light intensity information.
12. The control method of a mother-son lighting device according to claim 10,
adjusting the submachine according to the submachine control signal, comprising: and at least one of lighting the submachine, extinguishing the submachine, adjusting the brightness of the submachine and controlling the lighting time of the submachine is operated.
13. The method of controlling a parent-child lighting device according to any one of claims 10-12, wherein the child device is a phase dimming mode light fixture.
14. The control method of a mother-son lighting device according to claim 10,
adjusting the master according to the master control signal, comprising: at least one operation of lighting on the mother machine, turning off the mother machine, adjusting the brightness of the mother machine and controlling the lighting time of the mother machine;
the master control signal is a PWM signal.
15. The control method of a mother-son lighting device according to claim 11,
the mode selection switch is a rotary switch and the body sensor is an infrared sensor.
16. The control method of a mother-son lighting device according to claim 10,
in at least one of the control modes: detecting environment light intensity information and whether human body activity information exists, comparing the environment light intensity information with a preset light threshold value by the MCU control circuit, if the human body activity information is detected and the environment light intensity information is within the set light threshold value, adjusting a PWM value by the MCU control circuit according to preset information, sending a submachine control signal corresponding to the detection information to the linkage power supply control circuit, and controlling the submachine to light corresponding preset brightness and preset duration.
17. The method of controlling a parent-child lighting device according to claim 10,
in at least one of the control modes: detecting ambient light intensity information, comparing the ambient light intensity information with a preset light threshold value by the MCU control circuit, if the ambient light intensity information is within the set light threshold value, adjusting a PWM (pulse width modulation) value by the MCU control circuit according to preset information, sending a submachine control signal corresponding to the detected information to the linkage power supply control circuit, and controlling the submachine to light corresponding preset brightness and preset duration.
18. The control method of a mother-son lighting device according to claim 10,
in at least one of the control modes: and detecting whether human body activity information exists or not, and if the human body activity information is detected, adjusting the PWM value by the MCU control circuit according to preset information, sending a submachine control signal corresponding to the detected information to the linkage power supply control circuit, and controlling the submachine to light corresponding preset brightness and preset duration.
19. A control method of a primary and secondary lighting device, the primary and secondary lighting device includes a primary machine, at least one secondary machine, a primary machine power supply control circuit, a detection part, an MCU control circuit and a linkage power supply control circuit for controlling the secondary machine are also arranged in the primary machine, a human body sensor and a light intensity sensor are arranged in the detection part, the detection part includes a control mode selection switch, the mode selection switch selects one of a plurality of control modes preset in the primary and secondary lighting device, the MCU control circuit generates a secondary machine control signal to regulate the secondary machine based on the control mode selected by the control mode selection switch, and the method is characterized by comprising the following steps:
s1: the human body sensor and the illuminance sensor detect the ambient light intensity information and whether human body activity information exists or not, and send the detected detection information to the MCU control circuit;
s2: the MCU control circuit receives detection information sent by the detection part and compares the ambient light intensity information with a preset light threshold;
s3: if the human body activity information is detected and the environment light intensity information is within the set light threshold, the MCU control circuit adjusts the PWM value according to preset information and sends a submachine control signal corresponding to the detection information to the linkage power supply control circuit, and the linkage power supply control circuit adjusts the submachine according to the submachine control signal and controls the submachine to light corresponding preset brightness and preset duration;
s4: if the ambient light intensity information is greater than the set light threshold, the submachine is not lightened;
and according to the received detection information, the MCU control circuit also sends a master machine control signal corresponding to the detection information to the master machine power supply control circuit, and adjusts the master machine according to the master machine control signal, wherein the duty ratios of the master machine control signal and the slave machine control signal are different.
20. A control method of a primary and secondary lighting device, the primary and secondary lighting device includes a primary machine, at least one secondary machine, a primary machine power supply control circuit, the primary machine is also provided with a detection part, an MCU control circuit and a linkage power supply control circuit for controlling the secondary machine, the detection part is provided with a light intensity sensor, the detection part includes a control mode selection switch, the mode selection switch selects one of a plurality of control modes preset in the primary and secondary lighting device, the MCU control circuit generates a secondary machine control signal to regulate the secondary machine based on the control mode selected by the control mode selection switch, the method is characterized in that the method includes the following steps:
s1: the illuminance sensor detects ambient light intensity information and sends the detected detection information to the MCU control circuit;
s2: the MCU control circuit receives detection information sent by the detection part and compares the ambient light intensity information with a preset light threshold;
s3: if the ambient light intensity information is within the set light threshold, the MCU control circuit adjusts a PWM value according to preset information and sends a submachine control signal corresponding to the detection information to the linkage power supply control circuit, and the linkage power supply control circuit adjusts the submachine according to the submachine control signal and controls the submachine to light corresponding preset brightness and preset duration;
s4: if the ambient light intensity information is greater than the set light threshold, the submachine is not lightened;
and according to the received detection information, the MCU control circuit also sends a master machine control signal corresponding to the detection information to the master machine power supply control circuit, and adjusts the master machine according to the master machine control signal, wherein the duty ratios of the master machine control signal and the slave machine control signal are different.
21. A control method of a primary and secondary lighting device, the primary and secondary lighting device comprises a primary machine, at least one secondary machine, a primary machine power supply control circuit, a detection part, an MCU control circuit and a linkage power supply control circuit for controlling the secondary machine, wherein the detection part is internally provided with a human body sensor and comprises a control mode selection switch, the mode selection switch selects one of a plurality of control modes preset in the primary and secondary lighting device, and the MCU control circuit generates a secondary machine control signal to regulate the secondary machine based on the control mode selected by the control mode selection switch, and is characterized by comprising the following steps:
s1: the human body sensor detects whether human body activity information exists or not and sends the detected human body activity information to the MCU control circuit;
s2: if the human body activity information is detected, the MCU control circuit adjusts the PWM value according to preset information and sends a submachine control signal corresponding to the detected human body activity information to the linkage power supply control circuit, and the linkage power supply control circuit adjusts the submachine according to the submachine control signal and controls the submachine to light corresponding preset brightness and preset duration;
and according to the received detection information, the MCU control circuit also sends a master machine control signal corresponding to the detection information to the master machine power supply control circuit, and adjusts the master machine according to the master machine control signal, wherein the duty ratios of the master machine control signal and the slave machine control signal are different.
22. An intelligent lighting system, comprising:
a primary and secondary lighting unit according to any one of claims 1-9.
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| CN201810569522.1A CN110572895B (en) | 2018-06-05 | 2018-06-05 | Primary and secondary lighting device, control method of primary and secondary lighting device and intelligent lighting system |
| JP2019102967A JP7220396B2 (en) | 2018-06-05 | 2019-05-31 | Parent-Child Lighting Device, Parent-Child Lighting Device Control Method, and Smart Lighting System |
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| CN111010764B (en) * | 2019-12-25 | 2021-10-08 | 深圳市美斯特光电技术有限公司 | Control device and method for parallel connection of multiple LED power supplies with light control and dimming functions |
| CN113597067B (en) * | 2021-07-29 | 2024-04-02 | 北京建院图茂科技有限公司 | Intelligent illumination control system and method based on station illumination and environment illumination |
| CN113597062B (en) * | 2021-08-06 | 2022-05-31 | 江苏艾通信息科技有限公司 | Intelligent auxiliary lighting control system for building |
| CN114025448B (en) * | 2021-12-02 | 2023-10-20 | 深圳市源立信照明科技有限公司 | Flat lamp circuit and control method thereof |
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| JP2006190657A (en) * | 2004-12-09 | 2006-07-20 | Matsushita Electric Works Ltd | Lighting device for light source, light source lighting device and illumination device |
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| JP2019212626A (en) | 2019-12-12 |
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