CN110049592A - LED lamp and its intelligent control method - Google Patents
LED lamp and its intelligent control method Download PDFInfo
- Publication number
- CN110049592A CN110049592A CN201810042240.6A CN201810042240A CN110049592A CN 110049592 A CN110049592 A CN 110049592A CN 201810042240 A CN201810042240 A CN 201810042240A CN 110049592 A CN110049592 A CN 110049592A
- Authority
- CN
- China
- Prior art keywords
- led lamp
- illumination
- current
- led
- intensity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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]
-
- 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
Abstract
The invention discloses a kind of LED lamp and its intelligent control methods.The LED lamp includes LED light source mould group, LED constant current driving chip, current regulating module, intensity of illumination detection sensor, infrared sensor；The LED constant current driving chip includes the first transistor, second transistor, current control unit, current source and analog logic current control unit, the current regulating module is maintained to be electrically connected with the maintenance current control unit and the second transistor；The intensity of illumination detection sensor is used to acquire the intensity of illumination of environment light, the infrared sensor is for detecting whether have human body to enter in predeterminable area and detect the human body at a distance from the LED lamp, and will test result and be sent to the analog logic current control unit.The advantages that secondary energy-saving that the present invention has conducive to intelligent control, Illumination adjusting is adaptive, and user experience is good, and long service life, structure is simple, high conversion efficiency, small in size.
Description
Technical field
The present invention relates to LED technology field more particularly to a kind of LED lamp and its intelligent control methods.
Background technique
Integrated circuit (integrated circuit, IC) is the core of semiconductor industry, accounts for entire semicon industry rule
80% or more of mould.With the large-scale popularization application of high-efficiency energy-saving LED illuminating product, the miniaturization of lamps and lanterns becomes inevitable development
Trend, core component of the driving power circuit as LED illumination product, the Scheme Choice of driving power circuit are extremely important.According to
Incomplete statistics, LED lamp occur the 70% of failure of removal for power issue, and 20% is electronic circuit and structure problem, only
It is caused less than 10% for LED quality problems itself.
Existing LED lamp includes driving power circuit comprising transformer, HF switch, the high frequency being electrically connected to each other
Alternating current, is converted to DC voltage by magnetic elements such as HF switch and high-frequency inductors and kept by inductance and EMC circuit
Electric current is divided into isolation and non-isolated two kinds, this kind of circuit structure complexity in a certain range, according to security classification.Another kind driving
Power circuit includes electrolytic capacitor, exactly limits maximum functional using the capacitive reactance that capacitor generates under certain AC signal frequency
The resistance-capacitance depressurization of electric current, the electrolytic capacitor play limitation electric current and dynamically distribute capacitor and load the role of both end voltage,
To guarantee LED lamp stabilization and reliably working, however, leading to the use longevity of LED lamp using the easily consumption component such as electrolytic capacitor
Order short, transfer efficiency is low and volume is big；In addition, existing LED lamp cannot be according to the intensity of illumination of surrounding environment light, automatically
The intensity of illumination of light is adjusted, thus is unfavorable for human health, poor user experience.
Summary of the invention
Present invention solves the technical problem that being to provide, a kind of structure is simple, is conducive to human health, long service life, conversion
High-efficient and small in size LED lamp and its intelligent control method.
In order to solve the above technical problems, the invention discloses a kind of LED lamp, including LED light source mould group, LED constant current are driven
Dynamic chip, current regulating module, intensity of illumination detection sensor, infrared sensor；The LED constant current driving chip includes first
Transistor, maintains current control unit, current source and analog logic current control unit, the first crystal at second transistor
Pipe is electrically connected with LED light source mould group, and the second transistor is electrically connected with the first transistor；The maintenance current control list
First current output terminal with the current source is electrically connected；The current input terminal of the current source and the first transistor and described
The junction of second transistor is electrically connected；The current output terminal and institute of the analog logic current control unit and the current source
Second transistor electrical connection is stated, for controlling the electric current of the LED light source mould group；
The current regulating module is electrically connected with the maintenance current control unit and the second transistor；The illumination
Intensity detection sensor is used to acquire the intensity of illumination of environment light, and sends illumination intensity information to the analog logic electric current
Control unit；The infrared sensor for detecting whether have human body enter in predeterminable area and the detection human body with it is described
The distance of LED lamp, and will test result and be sent to the analog logic current control unit, so that the analog logic electric current
For control unit according to the intensity of illumination and the human body at a distance from the LED lamp, the illumination for controlling the LED lamp is strong
Degree, wherein the intensity of illumination of the LED lamp is inversely proportional with the distance.
Preferably, the first transistor includes the first field-effect tube, the source electrode of first field-effect tube and described the
Two-transistor electrical connection, the drain electrode of first field-effect tube are electrically connected with the LED light source mould group, first field-effect tube
Grid be electrically connected with the source electrode of first field-effect tube.
Preferably, the second transistor includes the second field-effect tube, the source electrode and the electricity of second field-effect tube
Adjustment module electrical connection is flowed, the drain electrode of second field-effect tube is electrically connected with the source electrode of first field-effect tube, and described the
The grid of two field-effect tube is electrically connected with the analog logic current control unit.
Preferably, the LED constant current driving chip further includes temperature-compensation circuit unit, the temperature-compensation circuit unit
It is electrically connected with the analog logic current control unit, detects that the operating temperature of the LED drive chip is more than first to work as
When preset temperature threshold, overheat protector operating mode is opened；When the operating temperature for detecting the LED drive chip is lower than first
Preset temperature threshold, and when operating voltage is between the first voltage value and second voltage value, the LED drive chip enters constant current
Drive operating mode.
Preferably, the current regulating module includes first resistor and second resistance, the first termination of the first resistor
Ground, the second end of the first resistor are electrically connected with the first end of the second resistance and the second transistor, and described second
The second end of resistance is electrically connected with the maintenance current control unit.
Second aspect, the invention also discloses a kind of intelligent control methods, comprising:
Acquire the intensity of illumination of environment light；
In a turned-on mode, detected whether that human body enters in predeterminable area；
When detecting that someone enters in predeterminable area, control LED lamp shines；
The human body is detected at a distance from the LED lamp；
According to the intensity of illumination and the human body at a distance from the LED lamp, the illumination for controlling the LED lamp is strong
Degree, wherein the intensity of illumination of the LED lamp is inversely proportional with the distance.
Preferably, the intelligent control method further include:
Receive the control signal of mobile terminal transmitting；
The intensity of illumination of the LED lamp is adjusted according to the control signal and records illumination intensity value；
It averages to the illumination intensity value of preset times record；
When opening the LED lamp every time, the brightness of the LED lamp is controlled according to the average value, with human body away from
When from the LED lamp pre-determined distance, the illumination intensity value of the LED lamp is equal with the average value.
Preferably, the intelligent control method further include:
Acquire weather information；
The colour temperature of the LED lamp is adjusted according to weather information.
Preferably, the intelligent control method further include:
Send the illumination intensity information of the LED lamp and color temperature information to server；
The server is according to the illumination intensity information and the habit of the color temperature information interpretation user, and to the shifting
Dynamic terminal pushes living information.
Preferably, the intelligent control method further include: the irradiating angle of the LED lamp with the human body motion bit
It sets and changes.
LED lamp and its intelligent control method of the invention has the following beneficial effects:
Due to the present invention can according to the intensity of illumination and the human body of the environment light at a distance from the LED lamp,
The intensity of illumination of the LED lamp is controlled, and the intensity of illumination of the LED lamp is inversely proportional with the distance, thus not only may be used
The intensity of illumination of light is automatically adjusted, and the intensity of illumination received during human motion is also relatively uniform, thus compared with
Conducive to the secondary energy-saving of intelligent control, Illumination adjusting is adaptive, improves comfort level, is conducive to human health, user experience is good, nothing
Greater number of lamps and lanterns need to be installed, cost has been saved；In addition, the LED constant current driving chip of the invention eliminates electrolysis electricity
Hold, thus extend service life, and circuit works in low frequency mode, rather than work in high frequency mode, eliminates EMC electricity
The magnetic elements such as road, high-frequency inductor and transformer.Thus, structure is simple, high conversion efficiency and small in size.In addition, the LED
Constant-current driven chip can preferably compatible silicon controlled light modulator, effectively overcome light modulator starting speed it is slow, flashing or adjusting
Phenomena such as flashing when whole brightness exports current adjustment, and constant current accuracy is high, and constant current accuracy can achieve ± 3%.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of LED lamp of the present invention.
Schematic diagram when Fig. 2 is LED lamp of the present invention and mobile terminal cooperation.
Fig. 3 is a kind of partial circuit diagram of embodiment of LED lamp of the present invention.
Fig. 4 is the circuit diagram of the LED constant current driving chip of LED lamp of the present invention.
Fig. 5 is the circuit diagram of the maintenance current control unit of the LED constant current driving chip of LED lamp of the present invention.
Fig. 6 is the analog logic current control unit and wireless communication of the LED constant current driving chip of type LED lamp of the present invention
Circuit diagram when unit matching.
Fig. 7 is the curve graph that the output electric current of the LED constant current driving chip of type LED lamp of the present invention varies with temperature.
Fig. 8 is the maintenance electric current of the maintenance current control unit of the LED constant current driving chip of type LED lamp of the present invention with end
The curve graph of mouth voltage change.
Fig. 9 is a kind of flow chart of embodiment of intelligent control method of the present invention.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.It should be noted that if do not conflicted, this hair
Each feature in bright embodiment and embodiment can be combined with each other, within the scope of the present invention.
Fig. 1 to Fig. 8 is please referred to, the invention discloses a kind of LED lamps 100, including LED light source mould group 60, LED constant current to drive
Dynamic chip U1, current regulating module A, intensity of illumination detection sensor B and infrared sensor C, the LED constant current driving chip U1
Including wireless communication unit P, the first transistor Q1, second transistor Q2, maintain current control unit 10, current source 20 and simulation
Logic current control unit 30, the first transistor Q1 are electrically connected with the LED light source mould group 60, the second transistor Q2
It is electrically connected with the first transistor Q1；The maintenance current control unit 10 and the current output terminal of the current source 20 are electrically connected
It connects；The current input terminal of the current source 20 and the junction of the first transistor Q1 and the second transistor Q2 are electrically connected
It connects；The analog logic current control unit 30 is electrically connected with the current output terminal of the current source 20 and the second transistor Q2
It connects, for controlling the electric current of the LED light source mould group 60, is in the electric current of the LED light source mould group 60 in preset range；Institute
It states wireless communication unit P to be electrically connected with the analog logic current control unit 30, the control for receiving mobile terminal 200 is believed
Number and the control signal is sent to the analog logic current control unit；
The current regulating module A is electrically connected with the maintenance current control unit 10 and the second transistor Q2；Institute
Intensity of illumination detection sensor B is stated for acquiring the intensity of illumination of environment light, and sends illumination intensity information to the simulation
Logic current control unit 30；The infrared sensor C is for detecting whether there is human body to enter in predeterminable area and detect institute
Human body is stated at a distance from the LED lamp, and will test result and be sent to the analog logic current control unit 30, so that institute
Analog logic current control unit 30 is stated according to the intensity of illumination and the human body at a distance from the LED lamp, controls institute
State the intensity of illumination of LED lamp, wherein the intensity of illumination of the LED lamp is inversely proportional with the distance.
In the present embodiment, what the LED constant current driving chip U1 was additionally provided with for being connected with peripheral circuit first draws
Foot OUT, second pin CS, third pin BLEED, the 4th pin DN and the 5th pin GND, the current source 20 are also referred to as constant current
Source is the prior art, and details are not described herein.The wireless communication unit can be ZigBee communication unit or Bluetooth communication list
Member is not specifically limited herein.The intensity of illumination detection sensor B is the near-infrared light sensor being not responding to visible light
Device, thus, preferably avoid the influence of the artificial lights such as lamps and lanterns around.Certainly, the type of the intensity of illumination detection sensor B exists
This is not especially limited.
The infrared sensor C includes infrared human body sensing unit and infrared distance measurement unit, and the infrared human body induction is single
Member is for detecting whether there is human body to enter in predeterminable area, and the infrared distance measurement unit is for detecting the human body and the LED
The distance of lamps and lanterns.In order to reduce power consumption, the infrared human body sensing unit and infrared distance measurement unit time-sharing work, when described infrared
When human body sensing unit has detected that human body is entered in predeterminable area, then the infrared distance measurement unit is opened, is then shut off described
Infrared human body sensing unit is then turned on the infrared human body sensing unit after human body leaves dormitory predeterminable area.It is described infrared
Sensor C has accuracy high, high resolution, strong antijamming capability, it is small in size and light-weight the advantages that.
Preferably, the first transistor Q1 is the first field-effect tube, the source electrode of first field-effect tube and described the
Two-transistor Q2 electrical connection, the drain electrode of first field-effect tube are electrically connected with the LED light source mould group, first field-effect
The grid of pipe is electrically connected with the source electrode of first field-effect tube.In the present embodiment, the drain electrode electricity of first field-effect tube
It is connected to the first pin OUT, to be electrically connected by the first pin OUT with the LED light source mould group.The LED light
Source mould group can be one or more LED (Light Emitting Diode, abbreviation LED), can be between the multiple LED
Be it is in series or in parallel etc., therefore, the LED light source mould group is not specifically limited herein.Since the first transistor Q1 is
Field-effect tube, field-effect tube are voltage drivings, thus, circuit structure is simpler, at low cost.It is understood that described first
Transistor Q1 is also possible to other types of transistor, is not specifically limited herein.
Preferably, the second transistor Q2 is the second field-effect tube, the source electrode and the electricity of second field-effect tube
Adjustment module electrical connection is flowed, the current regulating module can be light modulator or slide rheostat etc., not limit specifically herein
Fixed, the drain electrode of second field-effect tube is electrically connected with the source electrode of first field-effect tube, the grid of second field-effect tube
Pole is electrically connected with the analog logic current control unit 30.
In the present embodiment, the source electrode of second field-effect tube is electrically connected with the second pin CS, and by described
Second pin CS is electrically connected with regulating current device.Since the second transistor Q2 is field-effect tube, field-effect tube is voltage
Driving, thus, circuit structure is simpler, at low cost.In the present embodiment, first field-effect tube and second field-effect
Pipe is power field effect pipe, and when overtension, power field effect pipe temperature is increased, and electric current can also increase to a certain extent,
During cooperated with LED uses, power field effect pipe passes through the pressure difference for bearing the generation of LED line road, not set power factor (PF) school
Positive circuit, efficiency are up to 85-90%.
Preferably, the LED constant current driving chip U1 further includes temperature-compensation circuit unit 40, the temperature-compensation circuit
Unit 40 is electrically connected with the current source 20 and the analog logic current control unit 30, detects the LED driving to work as
When the operating temperature of chip is more than the first preset temperature threshold, overheat protector operating mode is opened；When detecting LED driving
The operating temperature of chip is lower than the first preset temperature threshold, and when operating voltage is between the first voltage value and second voltage value,
The LED drive chip enters constant current driving operating mode.When the operating temperature for detecting the LED drive chip is lower than first
Preset temperature threshold, and operating voltage be more than or equal to second voltage value and be less than third voltage value when, the LED drive chip into
Enter over-voltage invariable power operating mode, wherein the first voltage value is less than the second voltage value, the second voltage value is less than
The third voltage value.It is understood that first preset temperature threshold, the first voltage value, second voltage value and third
Voltage value can be configured as needed, and specific value is not specifically limited herein.The LED constant current driving chip U1's is defeated
The curve that electric current varies with temperature out is as shown in Figure 7, wherein X-axis indicates that temperature, Y-axis indicate electric current.
By the way that the temperature-compensation circuit unit 40 is arranged, when line voltage is higher than setting protection point or is more than the core
When the junction temperature of piece, then automatically adjusts output electric current and play a protective role to reduce temperature, it is ensured that input voltage is lower than LED operation electricity
Flicker free phenomenon when pressure, user experience is good, extends the service life of the LED lamp.The temperature-compensation circuit unit 40
It can be one or more thermistors, be also possible to the circuit containing one or more thermistors, structure is not done herein
It is specific to limit.
Preferably, the LED constant current driving chip U1 further includes third field-effect tube Q3, the third field-effect tube Q3's
Source electrode and grid are electrically connected with the maintenance current control unit 10, and the drain electrode of the third field-effect tube Q3 is for providing maintenance
Electric current.In the present embodiment, the drain electrode of the third field-effect tube Q3 is electrically connected with the third pin BLEED.
Preferably, in one embodiment, the maintenance current control unit 10 include the first voltage-stabiliser tube ZD1, it is second steady
Pressure pipe ZD2, the second diode D2, third capacitor C3, the 4th capacitor C4, the 5th capacitor C5, the 4th field-effect tube Q4, the 6th resistance
R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9 and the tenth resistance R10；The first end of the first voltage-stabiliser tube ZD1 with
The first end of the 7th resistance R7 is electrically connected, the second end of the first voltage-stabiliser tube ZD1 and the first of the tenth resistance R10
End electrical connection；The second voltage-stabiliser tube ZD2 and the 5th capacitor C5 are in parallel with the tenth resistance R10, the tenth resistance
The second end of R10 is grounded；The anode of the second diode D2 with the current source 20 for being electrically connected, second diode
The cathode of D2 is electrically connected with the first end of the first end of the third capacitor C3 and the 6th resistance R6, and the of the third capacitor C3
Two ends are electrically connected with the 4th pin DN, the second end of the 6th resistance R6 and the second end of the 7th resistance R7 and institute
State the grid electrical connection of the 4th field-effect tube Q4；The 8th resistance R8 is electrically connected with the drain electrode of the 4th field-effect tube Q4,
The source electrode of the 4th field-effect tube Q4 is connected with the first end of the 9th resistance R9, the second termination of the 9th resistance R9
Ground.
When work, in light modulation angle, if supply current very little, the pressure drop on the tenth resistance R10 is insufficient to allow
First voltage-stabiliser tube ZD1 reverse-conducting, then the pressure drop of the second diode D2 is transferred to the 4th field-effect by the 6th resistance R6
The grid of pipe Q4 is connected the 4th field-effect tube Q4, generates electric current on the 8th resistance R8 at this time, to can avoid accidentally touching
Hair.When the electric current that power supply flows into is larger, the pressure drop on the tenth resistance R10 promotes the first voltage-stabiliser tube ZD1 reverse-conducting, institute
The partial pressure of the 6th resistance R6 and the 7th resistance R7 is passed through in the pressure drop stated on the second diode D2, then is transferred to the 4th field-effect
The grid of pipe Q4, the 4th field-effect tube Q4 is not turned at this time.The maintenance current control unit 10 has compatible better, electric current
Relatively stable and simple circuit structure advantage.It is understood that the resistance value of the tenth resistance R10 carries out as needed
Setting, is not specifically limited herein.
Preferably, the analog logic current control unit 30 includes control circuit 50, comparator U2, eleventh resistor
R11 and twelfth resistor R12, the control circuit 50 are electrically connected with the comparator U2 and the second transistor Q2, are used for
Control flows through the electric current of the second transistor Q2；The eleventh resistor R11 and twelfth resistor R12 are serially connected, and are used for
Output voltage is divided；The positive input of the comparator U2 is connected with reference voltage point, and the comparator U2's is anti-
It is connected to input terminal with the junction of the eleventh resistor R11 and twelfth resistor R12.The circuit during the work time, nothing
Switch operation need to be carried out, without noise, it can thus be avoided generating EMI electromagnetic interference, and structure is simple, high reliablity.
LED constant current driving chip U1 of the invention has efficiency (efficiency) > 0.9, power factor (PF) (Power
Factor, PF) > 0.95 and compatible 90% or more silicon-controlled (Silicon Controlled Rectifier, SCR) light modulator
Advantage.In addition, it may be selected to meet total harmonic distortion (Total Harmonic Distortion, THD) less than 10%, system
Efficiency reaches 90% or more.Production uses paster technique, saves human cost, with light efficiency height, long-life and high performance-price ratio
Advantage.
In the present embodiment, the LED light source mould group 60 includes several LED being serially connected.In one embodiment, institute
The color for stating LED includes red, yellow, blue three kinds, and the control circuit 50 individually controls each LED, by red, yellow, blue
The LED cooperation of three kinds of different colours may bring up the light of multiple color and the colour temperature of the control LED.It is understood that
The connection type of LED in the LED light source mould group 60 is not specifically limited herein.The present invention using few peripheral component and
Using mature paster technique, so that LED lamp has the advantages that small in size, low-power consumption and high reliability.
Preferably, the current regulating module includes the of first resistor R1 and second resistance R2, the first resistor R1
One end ground connection, the second end of the first resistor R1 are electrically connected with the first end of the second resistance R2 and the second transistor Q2
It connects, the second end of the second resistance R2 is electrically connected with the maintenance current control unit.By the way that the first resistor R1 is arranged,
Thus the electric current of the LED light source mould group 60 can preferably be adjusted, export current adjustment 5mA-60mA.In addition, passing through
The second resistance R2 is set, thus the maintenance electric current can be adjusted as needed, to increase application scenarios.
Preferably, the LED lamp further includes fuse F1, rectification circuit unit 70,3rd resistor R3 and the 4th resistance
R4；The fuse F1 is electrically connected with the current input terminal of the rectification circuit unit 70, the electricity of the rectification circuit unit 70
Stream output end is electrically connected with the first end of the 3rd resistor R3, and for converting alternating current to direct current as the LED
Light source module group 60 is powered；The second end of the 3rd resistor R3 is electrically connected with the first end of the 4th resistance R4, and the described 4th
The second end of resistance R4 is electrically connected to the maintenance current control unit 10.Wherein, the rectification circuit unit 70 includes 4 whole
Flow diode.
Preferably, the LED lamp further includes first capacitor C1, the first end of the first capacitor C1 and the 4th electricity
Hinder the second end electrical connection of R4, the second end ground connection of the first capacitor C1.It therefore can by the way that the first capacitor C1 is arranged
Keep output electric current more stable.
Preferably, the LED lamp further includes first diode D1, the second capacitor C2 and the 5th resistance R5, and described first
The anode of diode D1 is electrically connected with the current output terminal of the rectification circuit unit 70, the cathode of the first diode D1 with
The current input terminal electrical connection of the LED light source mould group 60, the second capacitor C2 and the 5th resistance R5 and the LED light
Source mould group 60 is in parallel.Pass through the first diode D1, the second capacitor C2 and the 5th resistance R5 and 60 phase of LED light source mould group
Mutually cooperation, to can avoid causing LED to flash when input voltage fluctuation.
When needing to open or close the LED lamp, the nothing is given by the mobile terminals emissioning controling signal such as mobile phone
The control signal will be transferred to the analog logic current control unit, root by line communication unit, the wireless communication unit
Brightness, colour temperature or the color that different control signals controls the LED lamp are sent according to the wireless terminal, thus, in day
The brightness of the adjustable LED lamp is brighter when gas darkness, and when weather is colder, the color of adjustable LED lamps and lanterns is warm colour, thus can
Improve user experience.
Referring to Fig. 9, the invention also discloses a kind of intelligent control methods, comprising:
S1, the intensity of illumination for acquiring environment light；
The environment light can be room light either outdoor optical, in order to reduce power consumption and avoid the influence of artificial light,
Just the environment light is acquired every preset time.
S2, in a turned-on mode, has detected whether that human body enters in predeterminable area；
In order to meet the needs of different, the operating mode of the LED lamp includes open mode and close pattern, is being opened
Under mode, just detect whether that human body enters in predeterminable area.
S3, when having detected that human body enters in predeterminable area, control LED lamp shine；
S4, the detection human body are at a distance from the LED lamp；
In the present embodiment, the human body is detected at a distance from the LED lamp by the infrared sensor C, thus
With accuracy height, high resolution, strong antijamming capability, it is small in size and light-weight the advantages that.
S5, according to the intensity of illumination and the human body at a distance from the LED lamp, control the light of the LED lamp
According to intensity, wherein the intensity of illumination of the LED lamp is inversely proportional with the distance.
That is, human body at a distance when, the intensity of illumination of the LED lamp is stronger, it is thus possible to illuminate well, when
When human body is walked towards the LED lamp direction, the intensity of illumination of the LED lamp gradually weakens, thus can avoid light stimulation people
Eye, improves user experience.In one embodiment, it when human body leaves in the predeterminable area, controls the LED lamp and closes
Brightness that the LED lamp is closed is closed or reduced to preset value.To realize the secondary energy-saving of intelligent control, Illumination adjusting is certainly
It adapts to.
Preferably, the intelligent control method further include:
Receive the control signal of mobile terminal transmitting；
The intensity of illumination of the LED lamp is adjusted according to the control signal and records illumination intensity value；
It averages to the illumination intensity value of preset times record；
When opening the LED lamp every time, the brightness of the LED lamp is controlled according to the average value, with human body away from
When from the LED lamp pre-determined distance, the illumination intensity value of the LED lamp is equal with the average value.This method can basis
The habit of user provides better suited intensity of illumination, thus user experience is high.
Preferably, the intelligent control method further include:
Acquire weather information；
The weather information can be temperature, the information such as humidity.
The colour temperature of the LED lamp is adjusted according to weather information.
Specifically, in the present embodiment, the white light LED array of cool colour and the white light of warm colour are adjusted according to the weather information
LED array time-sharing work, thus the problem of can avoid colour temperature sending deviation.By the way that colour temperature is adjusted automatically, heart when use
Feelings are happier, further improve user experience.
Preferably, the intelligent control method further include:
Send the illumination intensity information of the LED lamp and color temperature information to server；
The server is according to the illumination intensity information and the habit of the color temperature information interpretation user, and to the shifting
Dynamic terminal pushes living information.Thus, can the service of various dimensions accurately be provided for user.
Preferably, the intelligent control method further include: the irradiating angle of the LED lamp with the human body motion bit
It sets and changes.That is, the LED lamp can automatically adjust irradiating angle, when human body leaves the LED lamp farther out
When, also it is capable of providing good illumination.It is understood that can be by multiple positioned at the red of the LED lamp different location
Outer sensor or video camera are tracked the movement position of the human body, are tracked to the movement position of the human body
Method be not specifically limited herein.
In conclusion in LED lamp and its intelligent control method of the invention, since the present invention can be according to the environment
The intensity of illumination of light and the human body control the intensity of illumination of the LED lamp, and the LED at a distance from the LED lamp
The intensity of illumination of lamps and lanterns is inversely proportional with the distance, thus not only can automatically adjust the intensity of illumination of light, but also human body moves
The intensity of illumination received during dynamic is also relatively uniform, to relatively be conducive to the secondary energy-saving of intelligent control, Illumination adjusting is adaptive
It answers, improves comfort level, be conducive to human health, user experience is good, without installing greater number of lamps and lanterns, has saved cost；This
Outside, the LED constant current driving chip of the invention eliminates electrolytic capacitor, thus extends service life, and circuit works
It in low frequency mode, rather than works in high frequency mode, eliminates the magnetic elements such as EMC circuit, high-frequency inductor and transformer.Cause
And structure is simple, high conversion efficiency and small in size.In addition, the LED constant current driving chip can preferably compatible silicon controlled tune
Light, it is slow to effectively overcome light modulator starting speed, flashing or phenomena such as flash when adjust brightness, and exporting electric current can
It adjusts, constant current accuracy is high, and constant current accuracy can achieve ± 3%, and when the temperature is excessively high, additionally it is possible to overheat protector.
LED lamp provided by the present invention and its intelligent control method are described in detail above, it is used herein
A specific example illustrates the principle and implementation of the invention, and the above embodiments are only used to help understand
Method and its core concept of the invention；At the same time, for those skilled in the art is having according to the thought of the present invention
There will be changes in body embodiment and application range, in conclusion the content of the present specification is only embodiment party of the invention
Formula is not intended to limit the scope of the invention, all to utilize equivalent structure made by description of the invention and accompanying drawing content
Or equivalent process transformation, being applied directly or indirectly in other relevant technical fields, similarly includes in patent of the invention
In protection scope.It should not be construed as limiting the invention.
Claims (10)
1. a kind of LED lamp, including LED light source mould group, it is characterised in that: further include LED constant current driving chip, current regulation mould
Block, intensity of illumination detection sensor, infrared sensor；The LED constant current driving chip includes the first transistor, the second crystal
Pipe maintains current control unit, current source and analog logic current control unit, the first transistor and LED light source mould group
Electrical connection, the second transistor are electrically connected with the first transistor；The maintenance current control unit and the current source
Current output terminal electrical connection；The company of the current input terminal of the current source and the first transistor and the second transistor
Connect place's electrical connection；The current output terminal and second transistor electricity of the analog logic current control unit and the current source
Connection, for controlling the electric current of the LED light source mould group；
The current regulating module is electrically connected with the maintenance current control unit and the second transistor；The intensity of illumination
Detection sensor is used to acquire the intensity of illumination of environment light, and sends illumination intensity information to the analog logic current control
Unit；The infrared sensor is for detecting whether there is human body to enter in predeterminable area and detect the human body and the LED
The distance of lamps and lanterns, and will test result and be sent to the analog logic current control unit, so that the analog logic electric current control
For unit processed according to the intensity of illumination and the human body at a distance from the LED lamp, the illumination for controlling the LED lamp is strong
Degree, wherein the intensity of illumination of the LED lamp is inversely proportional with the distance.
2. LED lamp according to claim 1, it is characterised in that: the first transistor includes the first field-effect tube, institute
The source electrode for stating the first field-effect tube is electrically connected with the second transistor, the drain electrode and the LED light of first field-effect tube
The electrical connection of source mould group, the grid of first field-effect tube are electrically connected with the source electrode of first field-effect tube.
3. LED lamp according to claim 2, it is characterised in that: the second transistor includes the second field-effect tube, institute
The source electrode for stating the second field-effect tube is electrically connected with the current regulating module, the drain electrode of second field-effect tube and described first
The source electrode of field-effect tube is electrically connected, and the grid of second field-effect tube is electrically connected with the analog logic current control unit.
4. LED lamp according to any one of claims 1 to 3, it is characterised in that: the LED constant current driving chip is also wrapped
Temperature-compensation circuit unit is included, the temperature-compensation circuit unit is electrically connected with the analog logic current control unit, to work as
When detecting that the operating temperature of the LED drive chip is more than the first preset temperature threshold, overheat protector operating mode is opened；When
Detect the operating temperature of the LED drive chip lower than the first preset temperature threshold, and operating voltage the first voltage value with
When between second voltage value, the LED drive chip enters constant current driving operating mode.
5. LED lamp according to any one of claims 1 to 3, it is characterised in that: the current regulating module includes first
Resistance and second resistance, the first end ground connection of the first resistor, the second end of the first resistor and the second resistance
First end and second transistor electrical connection, the second end of the second resistance are electrically connected with the maintenance current control unit
It connects.
6. a kind of intelligent control method, it is characterised in that: include:
Acquire the intensity of illumination of environment light；
In a turned-on mode, detected whether that human body enters in predeterminable area；
When having detected that human body enters in predeterminable area, control LED lamp shines；
The human body is detected at a distance from the LED lamp；
According to the intensity of illumination and the human body at a distance from the LED lamp, the intensity of illumination of the LED lamp is controlled,
Wherein, the intensity of illumination of the LED lamp is inversely proportional with the distance.
7. intelligent control method according to claim 6, it is characterised in that: the intelligent control method further include:
Receive the control signal of mobile terminal transmitting；
The intensity of illumination of the LED lamp is adjusted according to the control signal and records illumination intensity value；
It averages to the illumination intensity value of preset times record；
When opening the LED lamp every time, the brightness of the LED lamp is controlled according to the average value, in human body apart from institute
When stating LED lamp pre-determined distance, the illumination intensity value of the LED lamp is equal with the average value.
8. intelligent control method according to claim 7, it is characterised in that: the intelligent control method further include:
Acquire weather information；
The colour temperature of the LED lamp is adjusted according to weather information.
9. intelligent control method according to claim 8, it is characterised in that: the intelligent control method further include:
Send the illumination intensity information of the LED lamp and color temperature information to server；
The server according to the illumination intensity information and the habit of the color temperature information interpretation user, and to it is described it is mobile eventually
End push living information.
10. intelligent control method according to claim 6, it is characterised in that: the intelligent control method further include: described
The irradiating angle of LED lamp changes with the movement position of the human body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810042240.6A CN110049592A (en) | 2018-01-17 | 2018-01-17 | LED lamp and its intelligent control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810042240.6A CN110049592A (en) | 2018-01-17 | 2018-01-17 | LED lamp and its intelligent control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110049592A true CN110049592A (en) | 2019-07-23 |
Family
ID=67273071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810042240.6A Pending CN110049592A (en) | 2018-01-17 | 2018-01-17 | LED lamp and its intelligent control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110049592A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110557871A (en) * | 2019-09-30 | 2019-12-10 | 宁波燎原照明集团有限公司 | Office light environment regulation and control system and regulation and control method based on natural lighting |
| CN113316287A (en) * | 2021-07-08 | 2021-08-27 | 昆明理工大学 | Intelligent control system and control method for household lighting |
| CN113490311A (en) * | 2021-05-31 | 2021-10-08 | 山西三友和智慧信息技术股份有限公司 | Intelligent lamp adjusting system based on artificial intelligence |
-
2018
- 2018-01-17 CN CN201810042240.6A patent/CN110049592A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110557871A (en) * | 2019-09-30 | 2019-12-10 | 宁波燎原照明集团有限公司 | Office light environment regulation and control system and regulation and control method based on natural lighting |
| CN113490311A (en) * | 2021-05-31 | 2021-10-08 | 山西三友和智慧信息技术股份有限公司 | Intelligent lamp adjusting system based on artificial intelligence |
| CN113316287A (en) * | 2021-07-08 | 2021-08-27 | 昆明理工大学 | Intelligent control system and control method for household lighting |
| CN113316287B (en) * | 2021-07-08 | 2024-03-01 | 昆明理工大学 | Intelligent control system for household illumination and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105792413B (en) | LED intelligent driven controlling systems and light fixture | |
| CN110099489B (en) | Driving circuit compatible with silicon controlled rectifier dimming and wireless dimming | |
| CN105792416B (en) | A kind of control circuit of switch dimming LED light | |
| CN110049592A (en) | LED lamp and its intelligent control method | |
| CN201860492U (en) | Light modulating device for LED illumination lamp | |
| CN108174480A (en) | It is a kind of to sense and be remotely controlled dual-purpose light-adjustable LED lamp | |
| CN104066247A (en) | Drive circuit and dimming control method for LED lighting device | |
| CN103313469A (en) | Driving circuit and driving method for light-emitting diode (LED) illumination device | |
| CN208128575U (en) | The LED lamp of input power automatic adjustment | |
| CN103415111A (en) | Drive circuit and drive method of LED illuminating device | |
| CN210670675U (en) | Constant-voltage constant-current silicon controlled rectifier dimming driving chip for lighting LED | |
| CN203984733U (en) | A kind of drive circuit of LED lighting device | |
| CN203233576U (en) | Drive circuit of LED lighting device | |
| CN211406394U (en) | Intelligent lighting monitoring system for multimedia classroom | |
| CN109561539A (en) | A kind of digital timing invariable power directly driven by AC LED circuit | |
| CN108650732A (en) | A kind of linear constant current LED circuit with light-sensing function | |
| CN211930929U (en) | Dimming control circuit and device | |
| CN104602387B (en) | Dummy load circuit | |
| CN208210363U (en) | A kind of high PF Intelligent dimming circuit structure of high integration | |
| CN208739455U (en) | LED touch dimmer temperature driving power | |
| CN208210364U (en) | A kind of non-isolated high PF blue-tooth intelligence light adjusting circuit structure | |
| CN102665355A (en) | LED (Light Emitting Diode) dimming light source installed on wall space | |
| CN109743818A (en) | LED spotlight circuit | |
| CN107041042B (en) | A kind of adjustable LED light of light source | |
| CN203407046U (en) | Drive circuit of LED lighting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190723 |