CN106793311A - The LED Intelligent constant flow constant-voltage driving power sources of tunable optical - Google Patents
The LED Intelligent constant flow constant-voltage driving power sources of tunable optical Download PDFInfo
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- CN106793311A CN106793311A CN201611244317.5A CN201611244317A CN106793311A CN 106793311 A CN106793311 A CN 106793311A CN 201611244317 A CN201611244317 A CN 201611244317A CN 106793311 A CN106793311 A CN 106793311A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of LED Intelligent constant flow constant-voltage driving power sources of tunable optical, include power input unit, rectification unit, power output unit, control circuit, light sensor and infrared sensor, power input unit, rectification unit and power output unit are sequentially connected and connect, constant-current circuit and constant voltage circuit are connected between rectification unit and power output unit, constant-current circuit and constant voltage circuit are connected to current sampling circuit and voltage sampling circuit, on the one hand control circuit is connected with constant-current circuit and constant voltage circuit respectively, on the other hand it is connected with current sampling circuit and voltage sampling circuit respectively；In addition, on the one hand control circuit is connected with light sensor and infrared sensor respectively, on the other hand it is connected with power output unit.The invention enables LED load work more stablize, can real-time adjustment brightness of illumination, and be capable of intelligence closing or open LED load, realize intelligentized control method, reduce the loss of electric energy.
Description
Technical field
The present invention relates to electronic technology field, the LED Intelligent constant flow constant-voltage driving power sources of specifically a kind of tunable optical.
Background technology
With intensifying for world energy sources crisis, reducing energy consumption, environmental protection is into common recognition.LED illuminations will replace efficiency low
The first generation and second generation lighting engineering.When using, great power LED illuminating lamp is all using many LED lamps series connection, every a string
The mode that lamp is operated alone.Because the characteristic requirements constant pressure and flow of LED lamps drives, the power supply of LED lamps is it requires
Will simultaneously provide several roads single constant voltage constant current power, and LED lamps design with energy-conservation as target, also require that power supply
Constant pressure and flow high precision, efficiency high, long lifespan, but general LED lamps lamp bar and LED driving power supplies when dispatching from the factory
Matching has all been matched, and its quantity to LED driving power supplies connection LED lamp bars is conditional, so many use
Family when in use, the just unrestricted quantity for increasing LED lamp bars as long as LED can light, when reaching a number of
Time easily burns LED drive power, causes potential safety hazard.
In addition, continuing to develop with society, requirement of the people to lighting of home is more and more stricter, indoor LED intelligence
It is a kind of development trend to change illuminator, and existing LED dimming modes have Direct Plug-In to dim and infrared light modulation, Direct Plug-In light modulation
There is certain lead between device and LED illumination fluorescent tube, not only cabling is complicated, high cost and have certain energy loss.It is infrared
Although light modulation avoids routing problem, its light modulation apart from limited and need external control panel to send dim signal manually,
Light modulation precision is not high.Artificial adjustment light intensity is typically up to less than optimal illumination state, so existing dimming mode is neither
It is convenient, and not environmentally intelligence.
The content of the invention
The invention aims to the defect and deficiency that overcome prior art to exist, there is provided a kind of LED intelligence of tunable optical
Can constant current constant voltage driving power supply.
Technical scheme is as follows：
A kind of LED Intelligent constant flow constant-voltage driving power sources of tunable optical, include power input unit, the rectification list of external civil power
Power output unit, control circuit, light sensor and infrared sensor that unit is connected with LED load, described power supply are defeated
Enter unit, rectification unit and power output unit and be sequentially connected to connect, it is characterised in that：Described rectification unit and power supply output are single
Constant-current circuit and constant voltage circuit are connected between unit, the constant-current circuit and constant voltage circuit are connected to current sample electricity
On the one hand road and voltage sampling circuit, described control circuit be connected with the constant-current circuit and constant voltage circuit respectively, another
Aspect is connected with the current sampling circuit and voltage sampling circuit respectively；In addition, described control circuit one side is respectively
It is connected with the light sensor and infrared sensor, is on the other hand connected with the power output unit.
The LED Intelligent constant flow constant-voltage driving power sources of described tunable optical, it is characterised in that：Described constant-current circuit and constant pressure
After circuit is in parallel, it is connected between the rectification unit and power output unit.
The LED Intelligent constant flow constant-voltage driving power sources of described tunable optical, it is characterised in that：Described power input unit and
EMI filter units are connected between rectification unit.
Beneficial effects of the present invention：
1st, the present invention exports electricity using the constant voltage circuit and constant-current circuit of the control of controlled circuit when current sampling circuit is detected
When stream is not up to setting value, constant-current circuit cut-off, constant voltage circuit conducting, by constant voltage circuit for LED loads provide burning voltage；
When current sampling circuit detects output current reaches setting value, constant-current circuit conducting, constant voltage circuit cut-off, constant-current circuit generation
For constant voltage circuit reduction output voltage, the current value of output current no longer rises so that constant output current, so that LED is negative
Carry work more to stablize, it is ensured that the normal work of LED load；Equally, do not reached when voltage sampling circuit detects output voltage
During to setting value, constant voltage circuit cut-off, constant-current circuit conducting, by constant-current circuit for LED loads provide stabling current；Work as voltage
When sample circuit detects output voltage and reaches setting value, constant voltage circuit conducting, constant-current circuit cut-off, constant voltage circuit replaces constant current
Circuit reduction output current, the magnitude of voltage of output voltage no longer rises so that output voltage is constant, LED load is worked more
Plus stabilization, and ensure that the normal work of LED load.
2nd, the present invention is using the alternation for controlling circuit to control constant voltage circuit and constant-current circuit so that LED load works
More stablize, so as to ensure that the normal work of LED load.
3rd, the present invention detects indoor illumination intensity, and the photograph by controlling the regulation of electrical circuit LED to load using light sensor
Lightness, meanwhile, using in infrared sensor real-time judge illumination range whether someone, and by control circuit intelligence closing
Or LED loads are opened, and intelligentized control method is realized, greatly reduce the loss of electric energy.
Brief description of the drawings
Fig. 1 is structural principle block diagram of the present invention.
Specific embodiment
Referring to Fig. 1, a kind of LED Intelligent constant flow constant-voltage driving power sources of tunable optical include the power input of external civil power
Power output unit, control circuit, light sensor and infrared sensor that unit, rectification unit are connected with LED load,
Power input unit, rectification unit and power output unit are sequentially connected and connect, between rectification unit and power output unit respectively
Constant-current circuit and constant voltage circuit are connected with, constant-current circuit and constant voltage circuit are connected to current sampling circuit and voltage sample electricity
Road, control circuit on the one hand be connected with constant-current circuit and constant voltage circuit respectively, on the other hand respectively with current sampling circuit and
Voltage sampling circuit is connected；In addition, on the one hand control circuit is connected with light sensor and infrared sensor respectively, it is another
Aspect is connected with power output unit.
In the present invention, after constant-current circuit and constant voltage circuit are in parallel, it is connected between rectification unit and power output unit.
EMI filter units are connected between power input unit and rectification unit.
Below in conjunction with accompanying drawing, the present invention is further illustrated：
Constant voltage circuit and the controlled circuit control of constant-current circuit, when current sampling circuit detects output current not up to setting value
When, constant-current circuit cut-off, constant voltage circuit conducting, by constant voltage circuit for LED loads provide burning voltage；Work as current sampling circuit
When detecting output current and reaching setting value, constant-current circuit conducting, constant voltage circuit cut-off, constant-current circuit is instead of constant voltage circuit reduction
Output voltage, the current value of output current no longer rises so that constant output current, so that LED load work is more stablized,
Ensure that the normal work of LED load；Equally, when voltage sampling circuit detects output voltage not up to setting value, constant pressure
Circuit ends, constant-current circuit conducting, by constant-current circuit for LED loads provide stabling current；When voltage sampling circuit is detected
When output voltage reaches setting value, constant voltage circuit conducting, constant-current circuit cut-off, constant voltage circuit replaces constant-current circuit reduction output electricity
Stream, the magnitude of voltage of output voltage no longer rises so that output voltage is constant, LED load is worked more and stablizes, and ensure that
The normal work of LED load.
Light sensor detects indoor illumination intensity, and the brightness of illumination by controlling the regulation of electrical circuit LED to load, meanwhile,
In infrared sensor real-time judge illumination range whether someone, and born by controlling the closing of circuit intelligence or opening LED
Carry, realize intelligentized control method, greatly reduce the loss of electric energy.
In addition, EMI filter units effectively inhibit electromagnetic interference.
Claims (3)
1. a kind of LED Intelligent constant flow constant-voltage driving power sources of tunable optical, include power input unit, the rectification list of external civil power
Power output unit, control circuit, light sensor and infrared sensor that unit is connected with LED load, described power supply are defeated
Enter unit, rectification unit and power output unit and be sequentially connected to connect, it is characterised in that：Described rectification unit and power supply output are single
Constant-current circuit and constant voltage circuit are connected between unit, the constant-current circuit and constant voltage circuit are connected to current sample electricity
On the one hand road and voltage sampling circuit, described control circuit be connected with the constant-current circuit and constant voltage circuit respectively, another
Aspect is connected with the current sampling circuit and voltage sampling circuit respectively；In addition, described control circuit one side is respectively
It is connected with the light sensor and infrared sensor, is on the other hand connected with the power output unit.
2. LED Intelligent constant flow constant-voltage driving power sources of tunable optical according to claim 1, it is characterised in that：Described perseverance
After current circuit and constant voltage circuit are in parallel, it is connected between the rectification unit and power output unit.
3. LED Intelligent constant flow constant-voltage driving power sources of tunable optical according to claim 1, it is characterised in that：Described electricity
EMI filter units are connected between source input block and rectification unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611244317.5A CN106793311A (en) | 2016-12-29 | 2016-12-29 | The LED Intelligent constant flow constant-voltage driving power sources of tunable optical |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611244317.5A CN106793311A (en) | 2016-12-29 | 2016-12-29 | The LED Intelligent constant flow constant-voltage driving power sources of tunable optical |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106793311A true CN106793311A (en) | 2017-05-31 |
Family
ID=58927959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611244317.5A Pending CN106793311A (en) | 2016-12-29 | 2016-12-29 | The LED Intelligent constant flow constant-voltage driving power sources of tunable optical |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106793311A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108011532A (en) * | 2017-11-20 | 2018-05-08 | 安徽晓星能源科技有限公司 | DC power control system applied to electrical cabinet |
| CN109219188A (en) * | 2018-08-21 | 2019-01-15 | 厦门阳光恩耐照明有限公司 | A kind of RGBW driving circuit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201479428U (en) * | 2009-09-07 | 2010-05-19 | 广州南科集成电子有限公司 | Constant current and constant voltage LED lighting circuit |
| CN103813566A (en) * | 2012-11-06 | 2014-05-21 | 哈尔滨维尔士科技发展有限公司 | Lighting device |
| CN104918391A (en) * | 2015-07-06 | 2015-09-16 | 高志敏 | LED constant-voltage and constant-current driving power supply |
| CN205040065U (en) * | 2015-09-24 | 2016-02-17 | 惠州市西顿工业发展有限公司 | Adjustable output current's constant voltage constant -current drive circuit |
-
2016
- 2016-12-29 CN CN201611244317.5A patent/CN106793311A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201479428U (en) * | 2009-09-07 | 2010-05-19 | 广州南科集成电子有限公司 | Constant current and constant voltage LED lighting circuit |
| CN103813566A (en) * | 2012-11-06 | 2014-05-21 | 哈尔滨维尔士科技发展有限公司 | Lighting device |
| CN104918391A (en) * | 2015-07-06 | 2015-09-16 | 高志敏 | LED constant-voltage and constant-current driving power supply |
| CN205040065U (en) * | 2015-09-24 | 2016-02-17 | 惠州市西顿工业发展有限公司 | Adjustable output current's constant voltage constant -current drive circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108011532A (en) * | 2017-11-20 | 2018-05-08 | 安徽晓星能源科技有限公司 | DC power control system applied to electrical cabinet |
| CN109219188A (en) * | 2018-08-21 | 2019-01-15 | 厦门阳光恩耐照明有限公司 | A kind of RGBW driving circuit |
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Application publication date: 20170531 |