CN117320223B - LED intelligent lighting system - Google Patents
LED intelligent lighting system Download PDFInfo
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- CN117320223B CN117320223B CN202311606381.3A CN202311606381A CN117320223B CN 117320223 B CN117320223 B CN 117320223B CN 202311606381 A CN202311606381 A CN 202311606381A CN 117320223 B CN117320223 B CN 117320223B
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention discloses an LED intelligent lighting system, relates to the technical field of LED lighting, and solves the technical problems that the wiring construction of an LED lighting system is relatively difficult, the cost is relatively high, and the user experience is affected. The system comprises a main control module and at least one sub-control module; the main control module sends out a light control signal through the first controller and transmits the light control signal to the carrier circuit, and the carrier circuit loads the light control signal into the power supply signal control line; the sub-control module supplies power to the LED lamp through the power supply signal control line, receives the light control signal, decodes the light control signal through the sub-controller, and controls one or more of the LED lamp on/off, brightness, color temperature and color. According to the LED lamp control system, the main control module and the sub-control module are matched, the power supply signal control line simultaneously supplies power to the LED lamp and transmits the light control signal, the signal line is not required to be independently arranged, wiring construction difficulty and cost are reduced, and user experience is better.
Description
Technical Field
The invention relates to the technical field of LED illumination, in particular to an LED intelligent illumination system.
Background
With the improvement of the living standard of people, the LED lamp is widely used as a lighting tool in production and living. The traditional LED lamp control is generally operated through a mechanical switch, the control operation is complex, and more complex control is difficult to realize so as to be suitable for different lighting environments, so that an intelligent LED lamp lighting system is realized.
In an LED intelligent lighting system, different LED lamps are controlled by separate control signals, which generally need to be transmitted through signal lines, so as to realize multi-way switching, temperature adjustment and color adjustment control of the LED signals. Since the operating voltage of the control signal is different from that of the LED lamp and the control signal as a digital signal is easily externally disturbed, it is generally necessary to separately provide the signal line and the LED power supply line. When the quantity of the LED lamps in the intelligent lighting system is large, a plurality of signal wires are required to be distributed to carry out different control on different LED lamps, and when the plurality of signal wires and the LED power supply wires are distributed together, the construction difficulty is large, the cost is high, the control failure is easy to cause, and the use and the user experience of the LED intelligent lighting system are influenced.
In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art:
the wiring construction difficulty of the LED intelligent lighting system is high, the cost is high, and the use and the user experience of the LED intelligent lighting system are affected.
Disclosure of Invention
The invention aims to provide an LED intelligent lighting system, which solves the technical problems that the wiring construction difficulty and the cost of the LED intelligent lighting system are high, and the use and the user experience of the LED intelligent lighting system are affected in the prior art. The preferred technical solutions of the technical solutions provided by the present invention can produce a plurality of technical effects described below.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the invention provides an LED intelligent lighting system, which comprises a main control module and at least one sub-control module; the main control module sends out a light control signal through the first controller and transmits the light control signal to the carrier circuit, and the carrier circuit loads the light control signal into the power supply signal control line; the sub-control module supplies power to the LED lamp through the power supply signal control line, receives the light control signal, decodes the light control signal through the sub-controller, and controls one or more of the LED lamp to be turned on or off, brightness, color temperature and color; the power supply signal control line comprises a 24V direct current section and a SINGAL_OUT section, wherein the 24V direct current section is changed into the SINGAL_OUT section through the carrier circuit, and the SINGAL_OUT section simultaneously carries OUT 24V power supply and the transmission of the lamplight control signal; the carrier circuit comprises an MOS tube Q5, an MOS tube Q1, an MOS tube Q2 and an MOS tube Q3, wherein the MOS tube Q5 is an NMOS tube, and the MOS tube Q1, the MOS tube Q2 and the MOS tube Q3 are PMOS tubes; the grid electrode of the MOS tube Q5 is connected with the first controller, the drain electrode of the MOS tube Q5 is connected with the 24V direct current section, and the source electrode of the MOS tube Q5 is grounded; the MOS tube Q1, the MOS tube Q2 and the MOS tube Q3 are mutually connected in parallel, the sources are connected with the 24V direct current section, the grid is connected with the 24V direct current section and the drain of the MOS tube Q5, and the drain is connected with the SINGAL_OUT section; when the DATA_TH pin of the first controller sends OUT high level, the 24V direct current section and the SINGAL_OUT section are connected to supply power to the LED lamp; when the DATA_TH pin of the first controller sends OUT low level, the 24V direct current section and the SINGAL_OUT section are disconnected, and the LED lamp is turned off; the DATA_TH pin obtains a binary 0 code and a binary 1 code by sending low-level signals with different times, and the light control signal is transmitted based on the low-level signal combination with different times.
Preferably, the LED intelligent lighting system further comprises a carrier auxiliary circuit, wherein the carrier auxiliary circuit comprises an MOS tube Q4 and an MOS tube Q6, and the MOS tube Q4 and the MOS tube Q6 are NMOS tubes; the grid electrode of the MOS tube Q4 is connected with the first controller, the drain electrode of the MOS tube Q4 is connected with the 24V direct current section and the grid electrode of the MOS tube Q6, and the source electrode of the MOS tube Q6 is grounded; the grid electrode of the MOS tube Q6 is connected with the drain electrode of the 24V direct current section and the drain electrode of the MOS tube Q4, the drain electrode is connected with the SINGAL_OUT section, and the source electrode is grounded.
Preferably, the LED lamp comprises a white LED lamp and a yellow LED lamp, and the sub-controller is connected with a white LED lamp driving circuit and a yellow LED lamp driving circuit to adjust the color temperature and the brightness of the LED lamp; or, the LED lamp comprises a red LED lamp, a green LED lamp and a blue LED lamp, and the sub-controller is connected with the red LED lamp driving circuit, the green LED lamp driving circuit and the blue LED lamp driving circuit to adjust the color and the brightness of the LED lamp.
Preferably, the first controller is connected with the carrier circuit through a DATA_TH pin, and is connected with the second controller through a TX pin and an RX pin, and the second controller is connected with the third controller through a 433_DATA pin; the ANT pin of the second controller is connected with a first antenna, and the ANT pin of the third controller is connected with a second antenna.
Preferably, an ADC pin of the first controller is connected to a photosensitive circuit, and the photosensitive circuit is connected to the light sensor through a COM4 interface, and is used for sensing light brightness in the environment.
Preferably, the LED lamp comprises an LED running water lamp, the second controller is connected with a running water lamp signal amplifying circuit, and the running water lamp signal amplifying circuit converts 3.3V voltage into 5V voltage and outputs the 5V voltage to the LED running water lamp through a COM3 interface.
Preferably, the LED intelligent lighting system is applied to a stair environment, and the LED lamp comprises a stair stepping lamp; the second controller is connected with a first KEY circuit and a second KEY circuit through a KEY1 pin and a KEY2 pin respectively, the first KEY circuit is used for adjusting the step number of the stair step lamp, and the second KEY circuit is used for adjusting the time interval of the step lamp when the stair step lamp is turned on and off step by step.
Preferably, the second controller is connected with an UPSTAIRS induction circuit and a DOWNSTAIRS induction circuit through a UPSTAIRS pin and a downhill induction circuit, and the UPSTAIRS induction circuit and the DOWNSTAIRS induction circuit are respectively connected with the stair sensor through a COM2 interface and a COM1 interface and are respectively used for inducing UPSTAIRS signals and DOWNSTAIRS signals.
By implementing one of the technical schemes, the invention has the following advantages or beneficial effects:
according to the invention, the main control module and the sub-control module are matched, the power supply signal control line simultaneously supplies power to the LED lamp and transmits the light control signal, the signal line is not required to be independently arranged, and meanwhile, the sub-controller can also transmit the complex light control signal, so that more complex and multifunctional light control is facilitated, the wiring construction difficulty and cost of the LED intelligent lighting system are reduced, and the use experience of a user is better.
Drawings
For a clearer description of the technical solutions of embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art, in which:
FIG. 1 is a circuit diagram of a carrier circuit in an LED intelligent lighting system according to an embodiment of the invention;
FIG. 2 is a circuit diagram of a carrier auxiliary circuit in an LED intelligent lighting system according to an embodiment of the invention;
FIG. 3 is a circuit diagram of a first controller in an LED intelligent lighting system according to an embodiment of the present invention;
FIG. 4 is a circuit diagram of a second controller in an LED intelligent lighting system according to an embodiment of the present invention;
FIG. 5 is a circuit diagram of a third controller in an LED intelligent lighting system according to an embodiment of the present invention;
FIG. 6 is a circuit diagram of a sub-control module in an LED intelligent lighting system according to an embodiment of the invention;
FIG. 7 is a circuit diagram of a photosensitive circuit in an LED intelligent lighting system according to an embodiment of the present invention;
FIG. 8 is a circuit diagram of a first DC-DC circuit in an LED intelligent lighting system according to an embodiment of the present invention;
FIG. 9 is a circuit diagram of a warning circuit in an LED intelligent lighting system according to an embodiment of the invention;
FIG. 10 is a circuit diagram of a second DC-DC circuit in an LED intelligent lighting system according to an embodiment of the present invention;
FIG. 11 is a circuit diagram of a signal amplifying circuit of a running light in an LED intelligent lighting system according to an embodiment of the invention;
FIG. 12 is a circuit diagram of a key circuit in an LED intelligent lighting system according to an embodiment of the present invention;
fig. 13 is a circuit diagram of a sensing circuit for going upstairs and downstairs in an LED intelligent lighting system according to an embodiment of the present invention.
Detailed Description
For a better understanding of the objects, technical solutions and advantages of the present invention, reference should be made to the various exemplary embodiments described hereinafter with reference to the accompanying drawings, which form a part hereof, and in which are described various exemplary embodiments which may be employed in practicing the present invention. The same reference numbers in different drawings identify the same or similar elements unless expressly stated otherwise. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. It is to be understood that they are merely examples of processes, methods, apparatuses, etc. that are consistent with certain aspects of the present disclosure as detailed in the appended claims, other embodiments may be utilized, or structural and functional modifications may be made to the embodiments set forth herein without departing from the scope and spirit of the present disclosure.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "transverse," and the like are used in an orientation or positional relationship based on that shown in the drawings, and are merely for convenience in describing the present invention and to simplify the description, rather than to indicate or imply that the elements referred to must have a particular orientation, be constructed and operate in a particular orientation. The terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. The term "plurality" means two or more. The terms "connected," "coupled" and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, communicatively connected, directly connected, indirectly connected via intermediaries, or may be in communication with each other between two elements or in an interaction relationship between the two elements. The term "and/or" includes any and all combinations of one or more of the associated listed items. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In order to illustrate the technical solutions of the present invention, the following description is made by specific embodiments, only the portions related to the embodiments of the present invention are shown.
Examples: the invention provides an LED intelligent lighting system, as shown in figures 1-13, which comprises a main control module and at least one sub-control module, wherein the main control module and the sub-control modules are connected through a power supply signal control line, so that power can be supplied and signals can be transmitted, each sub-control module corresponds to a group of LED lamps, the number of the sub-control modules is preferably more, and the specific number is selected according to the use environment, so that the control of a plurality of groups of LED lamps can be realized. The main control module sends out a light control signal through the first controller and transmits the light control signal to the carrier circuit, the carrier circuit loads the light control signal into the power supply signal control line, and the light control signal realizes coding by combining high and low levels with the same or different time lengths. The sub-control module supplies power to the LED lamp through the power supply signal control line, receives the light control signal, decodes the light control signal through the sub-controller, and controls one or more of the LED lamp on/off, brightness, color temperature and color, so that the control mode is more various. According to the invention, the main control module and the sub-control module are matched, the power supply signal control line simultaneously supplies power to the LED lamp and transmits the light control signal, the signal line is not required to be independently arranged, and meanwhile, the sub-controller can also transmit the complex light control signal, so that more complex and multifunctional light control is facilitated, the wiring construction difficulty and cost of the LED intelligent lighting system are reduced, and the use experience of a user is better.
As an alternative embodiment, the power supply signal control line includes a 24V dc section and a singal_out section, where the 24V dc section is changed into the singal_out section through a carrier circuit, and the carrier circuit adds a light control signal, and the singal_out section performs 24V power supply and transmission of the light control signal at the same time. Therefore, when the power supply signal control line is connected to the sub-control module, the LED lamp is powered on, the light control signal is input, and corresponding light control operation is conveniently carried out through the sub-controller.
As an alternative embodiment, as shown in fig. 1, the carrier circuit includes a MOS transistor Q5, a MOS transistor Q1, a MOS transistor Q2, and a MOS transistor Q3, where the MOS transistor Q5 is an NMOS transistor, and the MOS transistor Q1, the MOS transistor Q2, and the MOS transistor Q3 are PMOS transistors. The grid electrode of the MOS tube Q5 is connected with a first controller (DATA_TH pin, pin 9), the drain electrode is connected with a 24V direct current section, and the source electrode is grounded, and the model is preferably CJ3400; MOS pipe Q1, MOS pipe Q2, MOS pipe Q3 are parallelly connected each other, and the model is preferably HY19P03D, and the source all is connected with 24V direct current section, and the grid all is connected with 24V direct current section, MOS pipe Q5 drain electrode, and the drain electrode all is connected with SINGAL_OUT section, and SINGAL_OUT section is through contact pin J2 connects. The specific working principle of the carrier circuit is as follows: the first controller sends OUT a light control signal composed of high and low levels through the DATA_TH pin, when the DATA_TH pin sends OUT high levels, the MOS tube Q5 is conducted, at the moment, the grids of the MOS tube Q1, the MOS tube Q2 and the MOS tube Q3 are all low levels, the MOS tube Q1, the MOS tube Q2 and the MOS tube Q3 are conducted, and the 24V direct current section is communicated with the SINGAL_OUT section to normally supply power to the LED lamp. When the DATA_TH pin sends OUT low level, the MOS tube Q5 is cut off, the grids of the MOS tube Q1, the MOS tube Q2 and the MOS tube Q3 are all high level, and the MOS tube Q1, the MOS tube Q2 and the MOS tube Q3 are cut off, so that the 24V direct current section and the SINGAL_OUT section do not have current to pass through, the LED lamp can be briefly extinguished, the time of the DATA_TH pin sending OUT low level is extremely short, namely the switching time between the high level and the low level is extremely short, and the time of the low level is microsecond level, so that the normal use of the LED lamp can not be influenced. The first controller sends out low levels of different time through the DATA_TH pin, for example 80us is used as binary 1, 40us is used as binary 0, and through the combination of different binary 0 codes and 1 codes, the transmission of different control signals is realized, and the light control signals are composed of a plurality of bits, for example 42 bits, and are divided into different flag bits, for example address bits, four gray DATA bits of RGBW (red, green, blue and white), end bits and the like according to requirements. After the DATA_TH pin sends out signals consisting of high and low levels, namely PWM signals, the switching of different colors and brightness of the RGBW four-street lamp can be realized through different DATA combination protocols.
As an alternative embodiment, as shown in fig. 2, in the carrier circuit, the MOS transistors Q1, Q2 and Q3 are PMOS transistors, and a certain time is required for turning off the 3 PMOS transistors, so that a certain influence is exerted on the carrier signal, and an auxiliary circuit is required for turning off the MOS transistors Q1, Q2 and Q3, so that the carrier circuit is quickly turned off. The LED intelligent lighting system further comprises a carrier auxiliary circuit for carrying out auxiliary disconnection on the carrier circuit, wherein the carrier auxiliary circuit comprises an MOS tube Q4 and an MOS tube Q6, the MOS tube Q4 and the MOS tube Q6 are NMOS tubes, the model of the MOS tube Q4 is preferably CJ3400, and the model of the MOS tube Q6 is preferably CJ3400. The grid electrode of the MOS tube Q4 is connected with a first controller (DATA_TH pin, pin 9), the drain electrode is connected with the grid electrode of the 24V direct current section and the source electrode is grounded; the grid electrode of the MOS tube Q6 is connected with the 24V direct current section and the drain electrode of the MOS tube Q4, the drain electrode is connected with the SINGAL_OUT section, and the source electrode is grounded. The working principle of the carrier auxiliary circuit is as follows: when the DATA_TH pin sends out high level, the MOS transistor Q4 is turned on, and the gate of the MOS transistor Q6 is low level, so that the MOS transistor Q6 is turned off. When the DATA_TH pin sends OUT low level, the MOS tube Q4 is cut off, the 24V direct current section is connected into the MOS tube Q6 through the voltage division of the resistors R9 and R17, and the MOS tube Q6 is conducted, so that the SINGAL_OUT is conducted to the ground through the resistors R18, R19 and R20 and the MOS tube Q6, and the rapid turn-off of the front-stage MOS tube Q1, the MOS tube Q2 and the MOS tube Q3 is realized.
As an alternative embodiment, as shown in FIG. 6, the chip model of the sub-controller is WS2304, and the chip is a self-grinding chip of the applicant and comprises 8 pins, and SOP packaging is adopted. The pin 3 of the sub-controller is connected with a power supply signal control line and is particularly connected with the SINGAL_OUT section, so that the sub-controller is powered and also inputs a light control signal, and the pin 1 of the sub-controller is connected with the anode of the LED. In fig. 6, when the LED intelligent lighting system is a color temperature control circuit, the LED lamps include a white LED lamp and a yellow LED lamp, and the color temperature is adjusted by controlling the on/off and brightness of white and yellow lights. The sub-controller is connected with a white LED lamp driving circuit (pin 7) and a yellow LED lamp (pin 6) driving circuit, the two LED driving circuits are driven by NMOS tubes, specifically, the pin 7 and the pin 6 of the sub-controller are connected with the grid electrodes of the NMOS tubes, when the pin 7 and the pin 6 output high level (the level signal is obtained by decoding a control instruction of the sub-controller input by a SINGAL_OUT section), the NMOS tubes are conducted, so that the white LED lamp and the yellow LED lamp are started, and the color temperature and the brightness of the LED lamp can be adjusted through PWM output of the pin 7 and the pin 6. Of course, the sub-controllers can also carry out color adjustment, and at the moment, the LED lamps comprise red LED lamps, green LED lamps and blue LED lamps, and are connected with a red LED lamp driving circuit (pin 4), a green LED lamp driving circuit (pin 5) and a blue LED lamp driving circuit (pin 6), and can be connected with the LED lamps with three primary colors to form various display colors for color and brightness adjustment of the LED lamps, and the specific principle is similar to that of color temperature adjustment.
As an alternative embodiment, as shown in fig. 3-5, the first controller is connected to the carrier circuit through a data_th pin, and is connected to the second controller through a TX pin and an RX pin, so that the first controller and the second controller can communicate through a serial port protocol. The models of the first controller and the second controller are preferably ST17H66-TSSOP16, the pins 12 and 13 are connected with a crystal oscillator circuit, the pins 5 and 6 are connected with a burning debugging circuit, and the pin 10 of the second controller is preferably connected with an indicator lamp for reminding the working state of the second controller. The second controller is connected to a third controller (DATA pin, pin 5) via 433_data pin (pin 11), the third controller model preferably being XH480RA; the ANT pin of the second controller is connected with a first antenna, and the ANT pin of the third controller is connected with a second antenna. XH480RA is a 433MHz wireless protocol receiving chip packaged by SOP8, and the receiving sensitivity is up to-110 dBm, so that auxiliary control operation is conveniently performed through a 433MHz wireless infrared remote controller.
As an alternative embodiment, as shown in fig. 7, an ADC pin (pin 11) of the first controller is connected with a photosensitive circuit, and the photosensitive circuit is connected with a light sensor through a COM4 interface, and is convenient for installing the light sensor through the COM4 interface, and is used for sensing light intensity in the environment, sensing light intensity by the light sensor, and converting the light intensity into a digital signal processed by the first controller. The light brightness in the environment is acquired in real time through the photosensitive circuit, the light brightness analog signal in the sensing environment, namely the LED intelligent lighting system is converted into a digital signal, so that different thresholds can be set for the light brightness, the LED lamps are controlled to be on or off through the second controller, the LED intelligent lighting system realizes that the sensor is triggered to be not on in the daytime, the sensing on lamp is triggered at night, and the LED intelligent lighting system is more energy-saving. The position of the light sensor can be selected according to the needs, and a plurality of light sensors can be arranged at a plurality of positions according to the needs.
As an alternative embodiment, as shown in fig. 8-10, the LED intelligent lighting system further comprises an AC-DC circuit, a first DC-DC circuit, a second DC-DC circuit. The 220V alternating current is converted into 24V direct current through the AC-DC circuit, the 24V direct current can provide reliable power for the LED lamp, the AC-DC circuit adopts the existing direct current power transformer to provide 24V power, and the 24V direct current is preferably connected through the pin J6, so that the LED lamp is convenient to operate. Preferably, a buzzer BUZ1 is connected to the 24V power transmission line, and a diode is reversely connected, so that the 24V direct current reverse connection can be conveniently used for carrying out sound alarm. The first DC-DC circuit converts 24V direct current into 5V direct current, the chip model is preferably SGM61410XN6G/TR, 600mA current can be output in a wide input voltage range of 5V to 42V, and the first DC-DC circuit is suitable for application scenes with high input voltage and is also suitable for power regulation from a non-stabilized power supply. A fast loop response can be achieved by reducing the switching frequency at light load to reduce switching and gate drive losses to achieve high efficiency over a wide load range, with internal compensation, internal monotonic soft start (even with pre-biased output), and peak current mode controllers. The second DC-DC circuit converts 5V direct current into 3.3V direct current, so that power can be supplied to a first controller, a second controller and a third controller in the main control module, the first controller, the second controller and the third controller can stably work under power supply, the chip types can be selected from HT7133, SK6513 and the like, and a light emitting diode is preferably connected with 3.3V voltage to serve as an indicator lamp, so that the power supply or working state of the first controller, the second controller and the third controller can be conveniently reminded.
As an alternative embodiment, as shown in fig. 11, the LED lamp includes an LED running light, that is, the LED running light is one of the LED lamps of the LED intelligent lighting system, and the LED running light may integrate multiple colors, and in some scenarios, the on of the LED running light may improve the use experience of the user. The second controller (DATA_LIUSHUI pin, pin 2) is connected with a running light signal amplifying circuit, and the running light signal amplifying circuit converts a 3.3V signal into 5V voltage, and the chip model is preferably 74LVC1G125 and outputs to an LED signal through a COM3 interface, so that the LED running light is conveniently installed through the COM3 interface, and the LED running light of 24V can normally work by using a 5V running light control signal.
As an alternative embodiment, as shown in fig. 12, the LED intelligent lighting system is applied in a stair environment, and the LED lamp includes a stair tread lamp. The second controller is connected with first KEY circuit, second KEY circuit respectively through KEY1 pin (pin 1), KEY2 pin (pin 9), and first KEY circuit is used for adjusting the number of steps of stair lamp of marking time, and the number of marking time of being convenient for according to the stair of different service environment adjusts once just, and the button is pressed once and is marked time the number of marking time and adjust once, and the second KEY circuit is used for adjusting the time interval that the lamp was marked time and is lighted down step by step to the stair, and the button is pressed once and is changed a time interval promptly, is convenient for set for the time of marking time the lamp of marking time and is lighted down to the stair according to user's application habit. The first key circuit and the second key circuit enable the invention to be suitable for various stair environments, and the user experience is better.
As an alternative embodiment, as shown in fig. 13, the second controller is connected with an UPSTAIRS induction circuit and a DOWNSTAIRS induction circuit through a UPSTAIRS pin (pin 4) and a downhill induction circuit (pin 7), and is used for inducing UPSTAIRS and DOWNSTAIRS of a user, the UPSTAIRS induction circuit and the DOWNSTAIRS induction circuit are respectively connected with a stair sensor through a COM2 interface and a COM1 interface, the stair sensor is convenient to install through the COM2 interface and the COM1 interface, the stair sensor can be a human infrared sensor, a radar sensor and the like, is used for automatically inducing UPSTAIRS signals and DOWNSTAIRS signals, can automatically induce the UPSTAIRS and DOWNSTAIRS of the user, is convenient for the user to start, and accordingly, the stair step lamp does not need to be started through a mechanical switch, and the use experience is better.
The embodiment is a specific example only and does not suggest one such implementation of the invention.
The foregoing is only illustrative of the preferred embodiments of the invention, and it will be appreciated by those skilled in the art that various changes in the features and embodiments may be made and equivalents may be substituted without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. An LED intelligent lighting system is characterized by comprising a main control module and at least one sub-control module; the main control module sends out a light control signal through the first controller and transmits the light control signal to the carrier circuit, and the carrier circuit loads the light control signal into the power supply signal control line; the sub-control module supplies power to the LED lamp through the power supply signal control line, receives the light control signal, decodes the light control signal through the sub-controller, and controls one or more of the LED lamp to be turned on or off, brightness, color temperature and color; the power supply signal control line comprises a 24V direct current section and a SINGAL_OUT section, wherein the 24V direct current section is changed into the SINGAL_OUT section through the carrier circuit, and the SINGAL_OUT section simultaneously carries OUT 24V power supply and the transmission of the lamplight control signal; the carrier circuit comprises an MOS tube Q5, an MOS tube Q1, an MOS tube Q2 and an MOS tube Q3, wherein the MOS tube Q5 is an NMOS tube, and the MOS tube Q1, the MOS tube Q2 and the MOS tube Q3 are PMOS tubes; the grid electrode of the MOS tube Q5 is connected with the first controller, the drain electrode of the MOS tube Q5 is connected with the 24V direct current section, and the source electrode of the MOS tube Q5 is grounded; the MOS tube Q1, the MOS tube Q2 and the MOS tube Q3 are mutually connected in parallel, the sources are connected with the 24V direct current section, the grid is connected with the 24V direct current section and the drain of the MOS tube Q5, and the drain is connected with the SINGAL_OUT section; when the DATA_TH pin of the first controller sends OUT high level, the 24V direct current section and the SINGAL_OUT section are connected to supply power to the LED lamp; when the DATA_TH pin of the first controller sends OUT low level, the 24V direct current section and the SINGAL_OUT section are disconnected, and the LED lamp is turned off; the DATA_TH pin obtains a binary 0 code and a binary 1 code by sending low-level signals with different times, and the light control signal is transmitted based on the low-level signal combination with different times.
2. The LED intelligent lighting system according to claim 1, further comprising a carrier auxiliary circuit, wherein the carrier auxiliary circuit comprises a MOS tube Q4 and a MOS tube Q6, and the MOS tube Q4 and the MOS tube Q6 are NMOS tubes; the grid electrode of the MOS tube Q4 is connected with the first controller, the drain electrode of the MOS tube Q4 is connected with the 24V direct current section and the grid electrode of the MOS tube Q6, and the source electrode of the MOS tube Q6 is grounded; the grid electrode of the MOS tube Q6 is connected with the drain electrode of the 24V direct current section and the drain electrode of the MOS tube Q4, the drain electrode is connected with the SINGAL_OUT section, and the source electrode is grounded.
3. The intelligent LED lighting system according to claim 1, wherein the LED lamps comprise white LED lamps and yellow LED lamps, and the sub-controllers are connected with a white LED lamp driving circuit and a yellow LED lamp driving circuit for adjusting color temperature and brightness of the LED lamps; or, the LED lamp comprises a red LED lamp, a green LED lamp and a blue LED lamp, and the sub-controller is connected with the red LED lamp driving circuit, the green LED lamp driving circuit and the blue LED lamp driving circuit to adjust the color and the brightness of the LED lamp.
4. The LED intelligent lighting system of claim 1, wherein said first controller is connected to said carrier circuit via a data_th pin, to a second controller via a TX pin, an RX pin, and to a third controller via a 433_data pin; the ANT pin of the second controller is connected with a first antenna, and the ANT pin of the third controller is connected with a second antenna.
5. The intelligent LED lighting system of claim 4, wherein the ADC pin of the first controller is connected to a light sensing circuit, and the light sensing circuit is connected to the light sensor via a COM4 interface, for sensing light intensity in the environment.
6. The intelligent LED lighting system of claim 4, wherein the LED lamp comprises an LED running light, and the second controller is connected with a running light signal amplifying circuit which converts 3.3V voltage to 5V voltage and outputs the same to the LED running light through a COM3 interface.
7. An LED intelligent lighting system as set forth in any one of claims 4-6, wherein the LED intelligent lighting system is used in a stair environment and the LED lamp comprises a stair tread lamp; the second controller is connected with a first KEY circuit and a second KEY circuit through a KEY1 pin and a KEY2 pin respectively, the first KEY circuit is used for adjusting the step number of the stair step lamp, and the second KEY circuit is used for adjusting the time interval of the step lamp when the stair step lamp is turned on and off step by step.
8. The LED intelligent lighting system of claim 7, wherein the second controller is connected to an up-stairs sensing circuit and a down-stairs sensing circuit through a UPSTAIRS pin and a DOWNSTAIRS pin, and the up-stairs sensing circuit and the down-stairs sensing circuit are respectively connected to the stair sensor through a COM2 interface and a COM1 interface and are respectively used for sensing up-stairs signals and down-stairs signals.
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