CN105228316A - A kind of LED constant current driving control system - Google Patents
A kind of LED constant current driving control system Download PDFInfo
- Publication number
- CN105228316A CN105228316A CN201510685087.5A CN201510685087A CN105228316A CN 105228316 A CN105228316 A CN 105228316A CN 201510685087 A CN201510685087 A CN 201510685087A CN 105228316 A CN105228316 A CN 105228316A
- Authority
- CN
- China
- Prior art keywords
- module
- led
- constant current
- controller
- control
- 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.)
- Granted
Links
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention provides a kind of LED constant current driving control system, be applied to LED lighting apparatus, comprise, control terminal, control terminal is connected with a bus module, in order to send a control command; A plurality of control module, a plurality of control module is connected with bus module, in order to receive control command and to form corresponding executive signal according to control command; Each control module is connected with a LED module, and control module is according to the LED module executable operations of executive signal to correspondence.The beneficial effect of its technical scheme is, achieves and performs effective management to LED module, improve the illumination efficiency of LED module.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of LED constant current driving control system.
Background technology
The illumination LED of current alternating current 220V drives the power supply topologies that adopts, and it is made up of three parts, PFC (PowerFactorCorrection power factor correction), isolation PWM (PulseWidthModulation pulse width modulation), DC-DC conversion and constant-current control circuit.In prior art, good performance is obtained to high-power off-line LED illumination drive system not high but still there is efficiency for LED driving, and brightness regulation is carried out to LED and manages problem perfect not.
Summary of the invention
Drive the problems referred to above existed for LED in prior art, now provide a kind of and be intended to improve LED drive efficiency and manage more perfect LED constant current driving control system.
Concrete technical scheme is as follows:
A kind of LED constant current driving control system, is applied to LED lighting apparatus, comprises,
Control terminal, described control terminal is connected with a bus module, in order to send a control command;
A plurality of control module, described a plurality of control module is connected with described bus module, in order to receive described control command and to form corresponding executive signal according to described control command;
Each described control module is connected with a LED module, and described control module is according to the described LED module executable operations of described executive signal to correspondence.
Preferably, described control module comprises:
Memory module, described memory module is in order to store executive signal corresponding to described control command;
First controller, described first controller is connected with described memory module, in order to obtain corresponding described executive signal in described memory module according to described control command;
LED constant current driver module, described LED constant current driver module is connected with described first controller, for according to described executive signal to described LED module executable operations.
Preferably, described control module comprises:
Switch drive module, is connected respectively with described first controller and described LED module;
Described control terminal sends described control command and comprises timing switch instruction, described timing switch instruction transformation, in receiving described timing switch instruction, becomes corresponding switch timing signal to control described switch drive module and closes and open described LED module by described first controller; And/or
Described control terminal sends described control command and comprises brightness regulation instruction, and described brightness regulation instruction transformation, in receiving described brightness regulation instruction, becomes the brightness regulated signal of correspondence in order to adjust the brightness of LED module by described first controller.
Preferably, described first controller is LPC1766 microcontroller.
Preferably, described bus module is KNX (Konnex bus) bus.
Preferably, described LED constant current driver module comprises:
Driving governor, in order to the described brightness regulated signal generation current conditioning signal produced according to described first controller;
PWM interface module, connects described first controller and described driving governor respectively, and described PWM interface module is sent to described driving governor in order to the described brightness regulated signal sent by described first controller;
Power transfer module, is connected with described driving governor and described LED module respectively, and the current regulating signal in order to produce according to described driving governor drives described LED module work;
Dynamic voltage scaling module, described Dynamic voltage scaling module is connected respectively with described driving governor, described power transfer module and described LED module, described Dynamic voltage scaling module, in order to detect the voltage of described LED module and current value and convert data-signal to and described data-signal is transferred to described power transfer module, controls the output voltage of described power transfer module.
Preferably, described LED constant current driver module also comprises:
One detection module, connects described LED module and described driving governor respectively, in order to detect the fault of described LED module, and testing result is sent to described driving governor;
Transmission module on one, connects described bus module and described driving governor respectively, in order to will receive described testing result, and sends by described bus module to described control terminal.
Preferably, described LED constant current driver module comprises temperature sensing module, described temperature sensing module connects described driving governor, in order to detect the temperature of described LED module, when the temperature signal detected is greater than a predetermined threshold value, described LED constant current driver module adjusts described power transfer module output voltage by described Dynamic voltage scaling module.
Preferably, described driving governor is LED constant-current driver.
Preferably, comprise standby controller module, described standby controller module is connected with described LED module and passes through described bus module and is connected with described control terminal, and described control terminal controls the opening and closing of described standby controller module.
Technique scheme tool has the following advantages or beneficial effect: achieve and perform effective management to LED module, improve the illumination efficiency of LED module.
Accompanying drawing explanation
With reference to appended accompanying drawing, to describe embodiments of the invention more fully.But, appended accompanying drawing only for illustration of and elaboration, do not form limitation of the scope of the invention.
Fig. 1 is the theory diagram of the embodiment of a kind of LED constant current driving control system of the present invention;
Fig. 2 is in the embodiment of a kind of LED constant current driving control system of the present invention, about the structural representation of control module;
Fig. 3 is in the embodiment of a kind of LED constant current driving control system of the present invention, about the structural representation of LED constant current drive control module.
1, control terminal; 2, bus module; 3, control module; 4, LED module; 5, standby controller module; 31, the first controller; 32, LED constant current driver module; 33, switch drive module; 321, driving governor; 322, power transfer module; 323, Dynamic voltage scaling module; 324, detection module; 325, upper transmission module; 326, temperature sensing module; 327, PWM interface module.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of protection of the invention.
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
Below in conjunction with the drawings and specific embodiments, the invention will be further described, but not as limiting to the invention.
The present invention includes a kind of LED constant current driving control system.
As shown in Figure 1, a kind of LED constant current driving control system, is applied to LED lighting apparatus, comprises,
Control terminal 1, control terminal 1 is connected with a bus module 2, in order to send a control command;
A plurality of control module 3, a plurality of control module 3 is connected with bus module 2, in order to receive control command and to form corresponding executive signal according to control command;
Each control module 3 is connected with a LED module 4, and control module 3 is according to LED module 4 executable operations of executive signal to correspondence.
In technique scheme, control command is sent to LED module 4 by control terminal 1, by bus module 2, control command is transferred to control module 3, control command is converted to corresponding executive signal thus controls LED module 4 and completes corresponding operation by control module 3, thus achieve and control at control terminal 1 pair of LED module 4, improve the efficiency of management to LED module 4.
In one preferably execution mode, above-mentioned, control module 3 as shown in Figure 2.
In one preferably execution mode, as shown in Figure 2, control module 3 can comprise:
Memory module, memory module is in order to executive signal corresponding to control store instruction;
First controller 31, first controller 31 is connected with memory module, in order to obtain corresponding executive signal in memory module according to control command;
LED constant current driver module 32, LED constant current driver module 32 is connected with the first controller 31, for according to executive signal to LED module 4 executable operations.
In one preferably execution mode, control module 3 also can comprise:
Switch drive module 33, is connected respectively with the first controller 31 and described LED module 4;
Control terminal 1 sending controling instruction comprises timing switch instruction, and timing switch instruction transformation, in receiving timing switch instruction, becomes corresponding switch timing signal control switch driver module 33 to close and LED module 4 by the first controller 31.
In one preferably execution mode, control terminal 1 sending controling instruction comprises brightness regulation instruction, and brightness regulation instruction transformation, in receiving brightness regulation instruction, becomes the brightness regulated signal of correspondence in order to adjust the brightness of LED module 4 by the first controller 31.
In one preferably execution mode, the first controller 31 is LPC1766 microcontroller.
In one preferably execution mode, bus module 2 is KNX bus.Further by adopting KNX bus, the Controlling vertex that can increase LED module according to demand increases control module 3 and LED module 4, thus does not need to change original circuit.
In one preferably execution mode, above-mentioned LED constant current driver module 32 as shown in Figure 3.
In one preferably execution mode, as shown in Figure 3, LED constant current driver module 32 can comprise:
Driving governor 321, in order to the brightness regulated signal generation current conditioning signal produced according to the first controller 31;
PWM interface module 327, connects the first controller 31 respectively and driving governor 321, PWM interface module 327 is sent to driving governor 321 in order to the brightness regulated signal sent by the first controller 31;
Power transfer module 322, is connected with driving governor 321 and LED module 4 respectively, works in order to the current regulating signal driving LED module 4 produced according to driving governor 321;
Dynamic voltage scaling module 323, Dynamic voltage scaling module 323 is connected respectively with driving governor 321, power transfer module 322 and LED module 4, Dynamic voltage scaling module 323, in order to detect the voltage of LED module 4 and current value and convert data-signal to and data-signal is transferred to power transfer module 322, controls the output voltage of power transfer module 322.
In one preferably execution mode, LED constant current driver module 32 also can comprise:
One detection module 324, connects LED module 4 and driving governor 321 respectively, in order to detect the fault of LED module 4, and testing result is sent to driving governor 321;
Transmission module 325 on one, connects bus module 2 and driving governor 321 respectively, in order to receiving testing result, and sends by bus module 2 to control terminal 1.
In a particular embodiment, detection module 324 detects the working condition of LED module 4 in real time, when detection module 324 detects that LED module 4 breaks down (as LED module 4 has short circuit or open fault), testing result is uploaded to control terminal 1 by bus module 2 by upper transmission module 325.
In one preferably execution mode, LED constant current driver module 32 comprises temperature sensing module 326, temperature sensing module 326 connects driving governor 321, in order to detect the temperature of LED module 4, when the temperature signal detected is greater than a predetermined threshold value, LED constant current driver module 32 adjusts power transfer module 322 output voltage by Dynamic voltage scaling module 323.
In technique scheme, by Dynamic voltage scaling module 323 can be real-time the electric current of detection LED module 4 and magnitude of voltage, and control output voltage by power transfer module 322, thus reduce power device excess power, ensure that LED constant current driving control system plays the highest efficiency.
In one preferably execution mode, driving governor 321 is LED constant-current driver.
In one preferably execution mode, comprise standby controller module 5, standby controller module 5 is connected with LED module 4 and is connected with control terminal 1 by bus module 2, and control terminal 1 controls the opening and closing of standby controller module 5.
In a particular embodiment, when the LED module 4 of the normal work in LED constant current driving control system runs into fault (as short circuit and open circuit), send to standby controller module 5 unlatching that a control command controls standby controller module 5 by control terminal 1, the LED module 4 that further control is connected with standby controller module 5 is luminous, in order to compensate for brightness;
When control control 5 for subsequent use closed by needs, send to standby controller module 5 closedown that a control command controls standby controller module 5 by control terminal 1, further close the LED module 4 be connected with standby controller module 5.
In a specific embodiment, when control terminal 1 needs the timing switch controlling LED module 4, timing switch instruction is sent to LED module 4 by control terminal 1, bus module 2 is by timing switch command to the first controller 31, timing switch instruction transformation is become switch timing signal by the first controller 31, and opening time value corresponding for switch timing signal and shut-in time value are saved to memory module
When being worth to the shut-in time, the first controller 31 control switch driver module 33 shut-off circuit,
When being worth to the opening time, the first controller 31 control switch driver module 33 open circuit.
When needing the brightness controlling LED module 4,
Luminance instructions is sent to LED module 4 by control terminal 1, bus module 2 is by brightness regulation command to the first controller 31, brightness regulation instruction transformation is become brightness regulated signal by the first controller 31, and preset time value corresponding for brightness regulated signal and luminance signal are saved to memory cell, when to the first controller 31 during preset time value, brightness regulated signal being sent to PWM interface module 327, brightness regulated signal is sent to driving governor 321 by PWM interface module 327, driving governor 321 is according to brightness regulated signal generation current conditioning signal, current regulating signal driving LED module 4 works thus reaches and controls LED module 4 brightness.
Thus achieve and carry out the control of brightness and the closedown of control circuit at control terminal 1 pair of LED module 4, it is more convenient to make the management of LED module 4.
Technique scheme tool has the following advantages or beneficial effect: send control command by control terminal 1 to LED module 4, by the control module 3 that connects with LED module 4 control command is converted to corresponding executive signal thus controls LED module 4 and complete corresponding operation according to executive signal, achieve and effective management is performed to LED module 4, improve the illumination efficiency of LED module 4.
The foregoing is only preferred embodiment of the present invention; not thereby embodiments of the present invention and protection range is limited; to those skilled in the art; should recognize and all should be included in the scheme that equivalent replacement done by all utilizations specification of the present invention and diagramatic content and apparent change obtain in protection scope of the present invention.
Claims (10)
1. a LED constant current driving control system, is applied to LED lighting apparatus, it is characterized in that, comprise,
Control terminal, described control terminal is connected with a bus module, in order to send a control command;
A plurality of control module, described a plurality of control module is connected with described bus module, in order to receive described control command and to form corresponding executive signal according to described control command;
Each described control module is connected with a LED module, and described control module is according to the described LED module executable operations of described executive signal to correspondence.
2. LED constant current driving control system according to claim 1, it is characterized in that, described control module comprises:
Memory module, described memory module is in order to store executive signal corresponding to described control command;
First controller, described first controller is connected with described memory module, in order to obtain corresponding described executive signal in described memory module according to described control command;
LED constant current driver module, described LED constant current driver module is connected with described first controller, for according to described executive signal to described LED module executable operations.
3. LED constant current driving control system according to claim 2, it is characterized in that, described control module comprises:
Switch drive module, is connected respectively with described first controller and described LED module;
Described control terminal sends described control command and comprises timing switch instruction, described first controller is in receiving described timing switch instruction, described timing switch instruction transformation become corresponding switch timing signal to control described switch drive module close and open described LED module, and/or
Described control terminal sends described control command and comprises brightness regulation instruction, and described brightness regulation instruction transformation, in receiving described brightness regulation instruction, becomes the brightness regulated signal of correspondence in order to adjust the brightness of LED module by described first controller.
4. LED constant current driving control system according to claim 2, it is characterized in that, described first controller is LPC1766 microcontroller.
5. LED constant current driving control system according to claim 1, it is characterized in that, described bus module is KNX bus.
6. LED constant current driving control system according to claim 3, it is characterized in that, described LED constant current driver module comprises:
Driving governor, in order to the described brightness regulated signal generation current conditioning signal produced according to described first controller;
PWM interface module, connects described first controller and described driving governor respectively, and described PWM interface module is sent to described driving governor in order to the described brightness regulated signal sent by described first controller;
Power transfer module, is connected with described driving governor and described LED module respectively, and the current regulating signal in order to produce according to described driving governor drives described LED module work;
Dynamic voltage scaling module, described Dynamic voltage scaling module is connected respectively with described driving governor, described power transfer module and described LED module, described Dynamic voltage scaling module, in order to detect the voltage of described LED module and current value and convert data-signal to and described data-signal is transferred to described power transfer module, controls the output voltage of described power transfer module.
7. LED constant current driving control system according to claim 6, it is characterized in that, described LED constant current driver module also comprises:
One detection module, connects described LED module and described driving governor respectively, in order to detect the fault of described LED module, and testing result is sent to described driving governor;
Transmission module on one, connects described bus module and described driving governor respectively, in order to will receive described testing result, and sends by described bus module to described control terminal.
8. LED constant current driving control system according to claim 6, it is characterized in that, described LED constant current driver module comprises temperature sensing module, described temperature sensing module connects described driving governor, in order to detect the temperature of described LED module, when the temperature signal detected is greater than a predetermined threshold value, described LED constant current driver module adjusts described power transfer module output voltage by described Dynamic voltage scaling module.
9. LED constant current driving control system according to claim 6, it is characterized in that, described driving governor is LED constant-current driver.
10. LED constant current driving control system according to claim 2, it is characterized in that, comprise standby controller module, described standby controller module is connected with described LED module and passes through described bus module and is connected with described control terminal, and described control terminal controls the opening and closing of described standby controller module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510685087.5A CN105228316B (en) | 2015-10-20 | 2015-10-20 | A kind of LED constant current driving control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510685087.5A CN105228316B (en) | 2015-10-20 | 2015-10-20 | A kind of LED constant current driving control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105228316A true CN105228316A (en) | 2016-01-06 |
| CN105228316B CN105228316B (en) | 2018-06-29 |
Family
ID=54996910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510685087.5A Active CN105228316B (en) | 2015-10-20 | 2015-10-20 | A kind of LED constant current driving control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105228316B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111726908A (en) * | 2020-05-21 | 2020-09-29 | 南京大学昆山创新研究院 | LED lamp single lamp control device and control method |
| CN112217495A (en) * | 2020-10-13 | 2021-01-12 | 合肥泽延微电子有限公司 | Integrated circuit drive control system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050017751A1 (en) * | 2003-07-25 | 2005-01-27 | Gunn Colin N. | Body capacitance electric field powered device for high voltage lines |
| CN102236345A (en) * | 2010-04-26 | 2011-11-09 | 东电(福建)能源科技发展有限公司 | Wireless packet remote monitoring system for city road light-emitting diode (LED) lamp |
| CN102271443A (en) * | 2010-06-07 | 2011-12-07 | 常州丰泰机电工程有限公司 | Self-adapting LED (light-emitting diode) driving power supply |
| CN202364428U (en) * | 2011-11-10 | 2012-08-01 | 浙江西盈科技有限公司 | PWM light modulation LED street lamp controller based on Zigbee |
-
2015
- 2015-10-20 CN CN201510685087.5A patent/CN105228316B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050017751A1 (en) * | 2003-07-25 | 2005-01-27 | Gunn Colin N. | Body capacitance electric field powered device for high voltage lines |
| CN102236345A (en) * | 2010-04-26 | 2011-11-09 | 东电(福建)能源科技发展有限公司 | Wireless packet remote monitoring system for city road light-emitting diode (LED) lamp |
| CN102271443A (en) * | 2010-06-07 | 2011-12-07 | 常州丰泰机电工程有限公司 | Self-adapting LED (light-emitting diode) driving power supply |
| CN202364428U (en) * | 2011-11-10 | 2012-08-01 | 浙江西盈科技有限公司 | PWM light modulation LED street lamp controller based on Zigbee |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111726908A (en) * | 2020-05-21 | 2020-09-29 | 南京大学昆山创新研究院 | LED lamp single lamp control device and control method |
| CN111726908B (en) * | 2020-05-21 | 2022-05-27 | 南京大学昆山创新研究院 | LED lamp single lamp control device and control method |
| CN112217495A (en) * | 2020-10-13 | 2021-01-12 | 合肥泽延微电子有限公司 | Integrated circuit drive control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105228316B (en) | 2018-06-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105188232B (en) | Constant current driver circuit for LED, light adjusting circuit and its control method | |
| CN207543063U (en) | Multicompartment grade Quick shut-off device and photovoltaic system | |
| CN207150526U (en) | Multicompartment level Quick shut-off device and photovoltaic system | |
| CN102769981B (en) | Intelligent constant-current driver realized by embedded chip and control method of intelligent constant-current driver | |
| CN102548109B (en) | Load driving device and system | |
| CN102315764A (en) | Control method for auxiliary power supply of photovoltaic inverter and device | |
| CN107612333A (en) | A kind of control circuit and method based on two-tube buck-boost converter | |
| CN105119297A (en) | Method used for adaptive reactive power compensation of photovoltaic inverter | |
| CN204538972U (en) | A kind of Switching Power Supply of wide range output | |
| CN103647213B (en) | Efficient fast laser pumping driving power and the laser started fast | |
| CN105228316A (en) | A kind of LED constant current driving control system | |
| CN202190336U (en) | LED lamp parallel connection flow equalization and dimming control circuit and LCD TV | |
| CN203445788U (en) | Power supply apparatus applied to hemodialysis machine | |
| CN203027136U (en) | Direct current socket | |
| CN202721869U (en) | Embedded realization-based intelligent constant-current driver | |
| CN109546959A (en) | Multicomponent grade Quick shut-off device and photovoltaic system | |
| CN116893718A (en) | Power limiting method of photovoltaic optimizer | |
| CN109586358A (en) | A kind of power-supply management system and method | |
| CN102811000A (en) | Photovoltaic power generating system, maximal power point tracking method thereof and tracking device | |
| CN202395652U (en) | Control device of auxiliary power source of photovoltaic inverter and control device of photovoltaic inverter | |
| CN104242649A (en) | Multi-mode switching method of switching power supply and switching power supply | |
| CN202617431U (en) | A light controller based on zigbee technology | |
| CN103826362A (en) | LED drive circuit and control method thereof | |
| CN204442775U (en) | A kind of controllable silicon light modulation LED drive circuit with compensating circuit | |
| CN102624057A (en) | Photovoltaic cell control device of photovoltaic power generation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201126 Address after: Room 10242, No. 260, Jiangshu Road, Xixing street, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Jiji Intellectual Property Operation Co., Ltd Address before: 201616 Shanghai city Songjiang District Sixian Road No. 3666 Patentee before: Phicomm (Shanghai) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201217 Address after: 8319 Yanshan Road, Bengbu City, Anhui Province Patentee after: Bengbu Lichao Information Technology Co.,Ltd. Address before: Room 10242, No. 260, Jiangshu Road, Xixing street, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Jiji Intellectual Property Operation Co., Ltd |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210310 Address after: 313000 room 1019, Xintiandi commercial office, Yishan street, Wuxing District, Huzhou, Zhejiang, China Patentee after: Huzhou YingLie Intellectual Property Operation Co.,Ltd. Address before: 8319 Yanshan Road, Bengbu City, Anhui Province Patentee before: Bengbu Lichao Information Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |