CN107172758A - A kind of LED illumination drive dynamic control device and method with overtemperature protection - Google Patents

A kind of LED illumination drive dynamic control device and method with overtemperature protection Download PDF

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Publication number
CN107172758A
CN107172758A CN201710517306.8A CN201710517306A CN107172758A CN 107172758 A CN107172758 A CN 107172758A CN 201710517306 A CN201710517306 A CN 201710517306A CN 107172758 A CN107172758 A CN 107172758A
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CN
China
Prior art keywords
led
temperature
led lamp
master controller
control device
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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
Application number
CN201710517306.8A
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Chinese (zh)
Inventor
朱辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHONGSHAN YEMEI ELECTRONICS Co Ltd
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ZHONGSHAN YEMEI ELECTRONICS Co Ltd
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Priority to CN201710517306.8A priority Critical patent/CN107172758A/en
Publication of CN107172758A publication Critical patent/CN107172758A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light emitting diodes [LEDs]
    • H05B45/50Circuit arrangements for operating light emitting diodes [LEDs] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Abstract

The invention discloses a kind of LED illumination drive dynamic control device and method with overtemperature protection, it is related to lighting control equipment field, the LED illumination drive dynamic control device with overtemperature protection includes:LED lamp panel, LED drive board and main switchboard; LED lamp panel includes multiple LEDs position; two different LED lamp beads of colour temperature are provided with each LED position; multiple controllable resistors that multiple LED drive circuits are provided with LED drive board and are connected with LED drive circuit; master controller and temperature protective device are provided with main switchboard; master controller is connected with multiple LED drive circuits respectively, wherein, optical sensor is additionally provided with LED lamp panel.Using above-mentioned technical proposal, the temperature in device is monitored in real time by overtemperature protection system, and is sent to master controller, whether master controller checking temperature is too high, and anti-locking apparatus increases the service life because being damaged caused by overheat.

Description

A kind of LED illumination drive dynamic control device and method with overtemperature protection
Technical field
The present invention relates to lighting control equipment field, more particularly to a kind of LED illumination drive control dress with overtemperature protection Put and method.
Background technology
LED illumination System, using more and more frequently, low-power consumption brightness is provided for life, industrial processes in life High illumination.The LED illumination System of in the market does not carry defencive function generally, simply increases an overvoltage protection in circuit Circuit, enables it to disconnect power supply when there is short circuit or open circuit, plays a protective role, still, other feelings such as is occurring overheating It can not find and handle in time during condition, easily cause situations such as lamp bead is burnt, cause damage.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of LED illumination drive dynamic control device with overtemperature protection and side Method, solves the technical problem that overheat condition can not find and handle in time in LED illumination System in the prior art.
In order to solve the above-mentioned technical problem, the technical scheme is that:
A kind of LED illumination drive dynamic control device with overtemperature protection, including:LED lamp panel, LED drive board and main switchboard, The LED lamp panel, the LED drive board and the main switchboard are overlapped, the LED lamp panel and LED drive board electricity Connection, the LED drive board and main switchboard electrical connection, the LED lamp panel includes multiple LEDs position, in each LED Two different LED lamp beads of colour temperature are provided with position, be provided with the LED drive board multiple LED drive circuits and with institute Multiple controllable resistors of LED drive circuit connection are stated, master controller and temperature protective device are provided with the main switchboard, The master controller is connected with the multiple LED drive circuit respectively, wherein, it is additionally provided with light sensing in the LED lamp panel Device.
Wherein, two LED lamp beads on each LED position are the LED lamp bead and 6500K colour temperatures of 3500K colour temperatures LED lamp bead.
Wherein, the master controller includes CPU, data storage and wireless communication module, wherein, CPU is used to calculate institute Need each LED lamp bead power output of colour temperature and controllable resistor is controlled by the ambient brightness situation of the light sensors Resistance, the data storage is used to store the colour temperature request received.
Storage is compareed specifically, being additionally provided with colour temperature request in the data storage and being set with corresponding lamp bead Page.
Specifically, also including user terminal, the user terminal is connected by the wireless communication module with the master controller, The user terminal is used for the color temperature information that demand is sent to the master controller.
Specifically, each LED drive circuit be connected respectively with two LED lamp beads on each LED position or The each LED drive circuit of person is connected with each LED lamp bead respectively.
Wherein, the temperature protective device includes temperature-detecting device, temperature information processor and protection switch, the temperature Degree detection means is electrically connected with the temperature information processor, the temperature information processor and protection switch electrical connection.
A kind of LED illumination drive control method, including:
User sends the color temperature information of demand, and the light that master controller calculates demand colour temperature is set, to each driving electricity Road sends control instruction, and LED lamplight is lighted according to instruction, is adjusted brightness according to ambient light situation, is passed through temperature protection Assembly monitor LED driving conditions.
Wherein, the light sets the power output for including setting each LED lamp bead and sets lighting for each LED lamp bead Arrangement.
Wherein, it is described to be included by temperature protective device monitoring LED driving conditions:
Whether start-up temperature protection device, temperature protective device detection temperature situation goes beyond the scope, and if it is disconnects and protecting Shield switch, otherwise judge temperature-detecting device whether failure, if it is enable stand-by equipment, otherwise continuation detection temperature feelings Condition.
Using above-mentioned technical proposal, due to being provided with overtemperature protection system, by overtemperature protection system to the temperature in device Degree is monitored in real time, and is sent to master controller, and master controller is carried out anxious after checking exceedes temperature threshold to device Stop operation, anti-locking apparatus because being damaged caused by overheat, increase the service life.
Brief description of the drawings
Fig. 1 is the structural representation of the LED illumination drive dynamic control device of the invention with overtemperature protection;
Fig. 2 is the LED illumination drive dynamic control device circuit connection diagram with overtemperature protection in the present invention;
Fig. 3 is the structural representation of master controller in the present invention;
Fig. 4 is the structural representation of temperature protective device in the present invention;
Fig. 5 is the flow chart of LED illumination drive control method of the present invention;
Fig. 6 is the method flow diagram in the present invention by temperature protective device monitoring LED driving conditions.
In figure, 1-LED lamp plates, 11-LED lamp positions, 12-LED lamp beads, 2-LED driving plates, 21-LED drive circuits, 3- is total Control panel, 31- primary processors, 32- data storages, 33- wireless communication modules, 41- temperature-detecting devices, 42- emergent managements Switch, 5- user terminals, 6- optical sensors, 7- controllable resistors, 8- runs through axle.
Embodiment
The embodiment to the present invention is described further below in conjunction with the accompanying drawings.Herein it should be noted that for The explanation of these embodiments is used to help understand the present invention, but does not constitute limitation of the invention.In addition, disclosed below As long as each of the invention embodiment in involved technical characteristic do not constitute conflict each other and can just be mutually combined.
As the first embodiment of the present invention, a kind of LED illumination drive dynamic control device is proposed, as shown in figure 1, including:LED Lamp plate 1, LED drive board 2 and main switchboard 3, LED lamp panel 1 and LED drive board 2 are electrically connected, LED drive board 2 and main switchboard 3 Electrical connection, LED lamp panel 1, LED drive board 2 and main switchboard 3 are overlapped, and are fixed together by three through axle 8, and three It is individual to be extended through through axle 8 on three angles of LED lamp panel 1, LED drive board 2 and main switchboard 3.It is preferred that, by by LED Plate 1, LED drive board 2 and main switchboard 3 are pressed together using PP, form one block of multi-layer sheet, to save space, make it can be with Apply in a variety of occasions.Further preferably, in order to which the further LED lamp bead 12 saved in volume, LED lamp panel 1 uses SMD lamp Pearl.
Continue as shown in figure 1, LED lamp panel 1 be annular, be evenly arranged with 8 around annulus lamp plate in LED lamp panel 1 Individual or more LED position 11, two LED can be set up in parallel in axis both sides on each LED position 11 using radius as axis Lamp bead 12, the He of LED lamp bead 12 of two colour temperatures different LED lamp bead 12, respectively 3500K colour temperatures is set in LED position 11 The LED lamp bead 12 of 6500K colour temperatures.It is preferred that, 4 LED lamp beads 12 can be set in each LED position 11, in LED position 11 Set 12,4 LED lamp beads 12 of LED lamp bead of 4 different-colours to use field word arrangement, 3000K colour temperatures, 4000K colors is respectively adopted The LED lamp bead 12 of temperature, 5000K colour temperatures and 6500K colour temperatures.8 or more LED drive circuits are provided with LED drive board 2 21, the quantity of LED drive circuit 21 is identical with the quantity of LED position 11, as shown in Fig. 2 each LED drive circuit 21 is connected together Two LED lamp beads 12 on one LED position 11.It is preferred that, the quantity of LED drive circuit 21 and the quantity phase of LED lamp bead 12 Together, each LED drive circuit 21 is individually connected with each LED lamp bead 12.
Again as shown in figure 1, being provided with multiple optical sensors 6 on the inner ring of annular LED lamp panel 1, optical sensor 6 is used Light-sensitive element is realized, by being connected with master controller, the brightness in surrounding environment is sent into master controller, as shown in Fig. 2 By connecting controllable resistor on LED drive circuit 21, the resistance for controlling controllable resistor by master controller directly adjusts LED The brightness of pearl, specifically, preset suitable lightening brightness value, such as 25 lumens/watts first in master controller;In light sensing When device 6 detects ambient light less than 25 lumens/watt, a reverse correction of controllable resistor 7, such as 10 Europe are adjusted by setting Nurse;With every 10 ohm of rate adaptation controllable resistor 7, and optical sensor 6 is detected in real time, until ambient light is equal to 25 streams Bright/watt, then complete adjustment;Vice versa, when optical sensor 6 detects surrounding enviroment brightness more than 25 lumens/watt, by setting Adjust a positive correction of controllable resistor 7, such as 20 ohm;With every 20 ohm of rate adaptation controllable resistor 7, and light sensing Device 6 is detected in real time, until ambient light is equal to 25 lumens/watts, completes adjustment.
Master controller and temperature protective device are provided with main switchboard 3, master controller drives electricity with multiple LED respectively Road 21 is connected, control LED drive circuit 21 come realize LED lamp bead 12 light on and off whether, temperature protective device by with master control Device is connected, and the temperature in LED illumination System is monitored in real time, and is protected by master controller when temperature is too high. Specifically, as shown in figure 3, master controller includes primary processor 31, primary processor 31 can be for CPU or MCU, with multiple storages The data storage 32 of page and the wireless communication module 33 that data interaction can be carried out with user terminal 5 and/or remote control equipment, wirelessly Communication module 33 receives the colour temperature solicited message that user sends by being attached with user terminal 5 and/or remote control equipment, and Send the colour temperature solicited message to primary processor 31, primary processor 31, which is calculated, needs which LED lamp bead 12 lighted, to reach Colour temperature is asked, for example, the illumination that user sends colour temperature 5000K starts requirement, primary processor is according to calculating, and drawing only needs institute There is LED lamp bead 12 all to light, you can to reach the requirement of 5000K colour temperatures, primary processor will light instruction and be sent to LED drive board LED lamp bead 12 is lighted in LED drive circuit 21 on 2, the output of LED drive circuit 21, realizes the illumination of 5000K colour temperatures.For another example User sends 4500K lighting demand, and the power output of LED lamp bead 12 that primary processor calculates 3500K colour temperatures is 100%, The power output of the LED lamp bead 12 of 6500K colour temperatures is 70%, and primary processor will light instruction and power control instruction is sent to LED lamp bead 12 is lighted in LED drive circuit 21 in LED drive board 2, the output of LED drive circuit 21, and adjusts power output, is made It reaches reservation value.It is preferred that, the colour temperature demand and primary processor of user are calculated into corresponding light and instructed and Power Control Instruction is stored in the control memory page of data storage 32, is sent when responding colour temperature request, is directly adjusted again in user terminal Take corresponding light in control memory page to instruct and power control instruction, be sent to LED control circuit, save the response time, Lift Consumer's Experience.
As shown in figure 4, temperature protective device includes temperature-detecting device 41 and emergent management switch 42, temperature-detecting device 41 are connected with master controller, and by temperature in real-time detection apparatus, temperature information is sent to the primary processor 31 of master controller, Primary processor 31 judges whether temperature information reaches threshold value, and threshold value is the temperature upper limit pre-set, usually 90 degree Celsius;One Denier primary processor 31 judges that temperature reaches threshold value, then controls emergent management switch 42 to disconnect, stop the power supply of LED drive circuit. It is preferred that, the temperature information that temperature-detecting device 41 is detected is stored in data storage 32, single in data storage 32 Solely draw and found a temperature information memory page, be used as thermograph.It is furthermore preferred that being additionally provided with a daily record in data storage 32 Page, when each temperature reaches that threshold value carries out power-off protection, the information such as the startup time of this time are stored in log page.
Again as shown in Fig. 2 user terminal 5 and/or remote control equipment are built by the wireless communication module carried with master controller Vertical connection, user terminal 5 is set to user can be according to self-demand to master controller transmission colour temperature requirement, and remote control equipment is by setting Different key is equipped with, master controller can be sent to by pressing default colour temperature requirement on each button, button.
The present invention also proposes a kind of LED illumination drive control method, is driven based on the LED illumination in first embodiment of the invention Dynamic control device, as shown in figure 5, including:
Step S1:User sends the color temperature information of demand;
User carries out color temperature information input by the APP installed on smart machine, and the color temperature information is converted into finger Order is sent to master controller, or user carries out color temperature information selection by default colour temperature button on remote control equipment.
Step S2:The light that master controller calculates demand colour temperature is set;
The colour temperature of master controller according to demand calculates lighting for each LED lamp bead 12 and arranged and power output, by lighting Light on and off of the instruction to each LED lamp bead 12 are controlled and power adjustment instruction is adjusted to the power output of LED lamp bead 12.
It is preferred that, before master controller sets to the light required for demand colour temperature and calculated, also colour temperature demand is entered Row anticipation, by setting colour temperature upper threshold and colour temperature bottom threshold, after master controller receives color temperature information, by with Threshold value is compared, and colour temperature is required to carry out reasonability judgement.When colour temperature demand is more than upper threshold or less than bottom threshold, if User uses smart machine, then returns to error message to smart machine, inform user.
Step S3:Control instruction is sent to each drive circuit;
Step S4:LED lamplight is lighted according to instruction;
Step S5:Brightness is adjusted according to ambient light situation;
By being provided with multiple optical sensors 6 on the inner ring of annular LED lamp panel 1, optical sensor 6 uses light-sensitive element To realize, by being connected with master controller, the brightness in surrounding environment is sent to master controller, as shown in Fig. 2 by Controllable resistor 7 is connected on LED drive circuit, the resistance for controlling controllable resistor 7 by master controller directly adjusts the bright of LED lamp bead Degree, specifically, preset suitable lightening brightness value, such as 25 lumens/watts first in master controller;Examined in optical sensor 6 When measuring ambient light less than 25 lumens/watt, a reverse correction of controllable resistor 7, such as 10 ohm are adjusted by setting;With Every 10 ohm of rate adaptation controllable resistor 7, and optical sensor 6 is detected in real time, until ambient light be equal to 25 lumens/ Watt, then complete adjustment;Vice versa, when optical sensor 6 detects surrounding enviroment brightness more than 25 lumens/watt, is adjusted by setting Save a positive correction of controllable resistor 7, such as 20 ohm;With every 20 ohm of rate adaptation controllable resistor 7, and optical sensor 6 are detected in real time, until ambient light is equal to 25 lumens/watts, complete adjustment.
Step S6:LED driving conditions are monitored by temperature protective device.
Specifically, as shown in fig. 6, after LED lamp bead is lighted by LED drivings, master controller start-up temperature is protected Device (step S601), the temperature-detecting device of temperature protective device starts real-time collecting temperature (step S602), master controller Judge whether the temperature exceeds threshold value (step S603), this threshold value is the temperature upper limit pre-set, usually 90 degree Celsius, such as Fruit exceedes threshold value, then master controller control emergent management switch 42 disconnects, and disconnects the power supply (step S604) of LED lamp bead, if It is not above threshold value and then continues collecting temperature.It is preferred that, if master controller judges that temperature is not above threshold value, it is to equipment No normal operation is judged (step S6031), if equipment fault, is started stand-by equipment or is notified user's (step S6032), if equipment does not have failure, collecting temperature is continued.
Using above-mentioned technical proposal, due to being provided with overtemperature protection system, by overtemperature protection system to the temperature in device Degree is monitored in real time, and is sent to master controller, and master controller is carried out anxious after checking exceedes temperature threshold to device Stop operation, anti-locking apparatus because being damaged caused by overheat, increase the service life.
Embodiments of the present invention are explained in detail above in association with accompanying drawing, but the invention is not restricted to described implementation Mode.For a person skilled in the art, in the case where not departing from the principle of the invention and spirit, to these embodiments A variety of change, modification, replacement and modification are carried out, are still fallen within protection scope of the present invention.

Claims (10)

1. a kind of LED illumination drive dynamic control device with overtemperature protection, it is characterised in that including:LED lamp panel, LED drive board and Main switchboard, the LED lamp panel, the LED drive board and the main switchboard are overlapped, the LED lamp panel and the LED Driving plate is electrically connected, and the LED drive board and main switchboard electrical connection, the LED lamp panel include multiple LEDs position, Two different LED lamp beads of colour temperature are provided with each LED position, multiple LED drivings electricity are provided with the LED drive board Road and the multiple controllable resistors being connected with the LED drive circuit, master controller and temperature are provided with the main switchboard Protection device, the master controller is connected with the multiple LED drive circuit respectively, wherein, also set up in the LED lamp panel There is optical sensor.
2. the LED illumination drive dynamic control device according to claim 1 with overtemperature protection, it is characterised in that:It is described each Two LED lamp beads on LED position are the LED lamp bead of 3500K colour temperatures and the LED lamp bead of 6500K colour temperatures.
3. the LED illumination drive dynamic control device according to claim 1 with overtemperature protection, it is characterised in that:The master control Device processed includes CPU, data storage and wireless communication module, wherein, each LED lamp bead that CPU is used for colour temperature needed for calculating is defeated Go out the resistance of power and the ambient brightness situation control controllable resistor for passing through the light sensors, the data storage is used The colour temperature request received in storage.
4. the LED illumination drive dynamic control device according to claim 3 with overtemperature protection, it is characterised in that:In the number Ask to compare memory page with the setting of corresponding lamp bead according to colour temperature is additionally provided with memory.
5. the LED illumination drive dynamic control device according to claim 3 with overtemperature protection, it is characterised in that:Also include using Family end, the user terminal is connected by the wireless communication module with the master controller, and the user terminal is used for described total Controller sends the color temperature information of demand.
6. the LED illumination drive dynamic control device according to claim 3 with overtemperature protection, it is characterised in that:It is each described LED drive circuit is connected or each LED drive circuit point with two LED lamp beads on each LED position respectively It is not connected with each LED lamp bead.
7. the LED illumination drive dynamic control device according to claim 1 with overtemperature protection, it is characterised in that:The temperature Protection device includes temperature-detecting device, temperature information processor and protection switch, the temperature-detecting device and the temperature Message handler is electrically connected, the temperature information processor and protection switch electrical connection.
8. a kind of LED illumination drive control method, it is characterised in that including:
User sends the color temperature information of demand, and the light that master controller calculates demand colour temperature sets, sent out to each drive circuit Go out control instruction, LED lamplight is lighted according to instruction, is adjusted brightness according to ambient light situation, is passed through temperature protective device Monitor LED driving conditions.
9. LED illumination drive control method according to claim 8, it is characterised in that:The light, which is set, to be included setting The power output of each LED lamp bead and each LED lamp bead is set light arrangement.
10. LED illumination drive control method according to claim 8, it is characterised in that:It is described to pass through temperature protective device Monitoring LED driving conditions include:
Whether start-up temperature protection device, temperature protective device detection temperature situation goes beyond the scope, and if it is disconnects protection and opens Close, otherwise judge temperature-detecting device whether failure, if it is enable stand-by equipment, otherwise continuation detection temperature situation.
CN201710517306.8A 2017-06-29 2017-06-29 A kind of LED illumination drive dynamic control device and method with overtemperature protection Pending CN107172758A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710517306.8A CN107172758A (en) 2017-06-29 2017-06-29 A kind of LED illumination drive dynamic control device and method with overtemperature protection

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Application Number Priority Date Filing Date Title
CN201710517306.8A CN107172758A (en) 2017-06-29 2017-06-29 A kind of LED illumination drive dynamic control device and method with overtemperature protection

Publications (1)

Publication Number Publication Date
CN107172758A true CN107172758A (en) 2017-09-15

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100295688A1 (en) * 2009-05-20 2010-11-25 Young Green Energy Co. Illumination device and control method thereof
CN203416478U (en) * 2013-08-27 2014-01-29 四川福瑞达光电有限公司 Intelligent system for controlling luminance of LED lamp
CN204046868U (en) * 2014-07-15 2014-12-24 上海傲蕊光电科技有限公司 A kind of lighting device
CN206004958U (en) * 2016-09-14 2017-03-08 国网福建省电力有限公司 A kind of variable color-temperature LED control system of Automatic adjusument
CN207039953U (en) * 2017-06-29 2018-02-23 中山烨美电子有限公司 A kind of LED illumination drive dynamic control device with overtemperature protection

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100295688A1 (en) * 2009-05-20 2010-11-25 Young Green Energy Co. Illumination device and control method thereof
CN203416478U (en) * 2013-08-27 2014-01-29 四川福瑞达光电有限公司 Intelligent system for controlling luminance of LED lamp
CN204046868U (en) * 2014-07-15 2014-12-24 上海傲蕊光电科技有限公司 A kind of lighting device
CN206004958U (en) * 2016-09-14 2017-03-08 国网福建省电力有限公司 A kind of variable color-temperature LED control system of Automatic adjusument
CN207039953U (en) * 2017-06-29 2018-02-23 中山烨美电子有限公司 A kind of LED illumination drive dynamic control device with overtemperature protection

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Application publication date: 20170915

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