CN102917487A - LED drive power supply capable of intelligently detecting and adjusting output voltage - Google Patents
LED drive power supply capable of intelligently detecting and adjusting output voltage Download PDFInfo
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- CN102917487A CN102917487A CN2011102206058A CN201110220605A CN102917487A CN 102917487 A CN102917487 A CN 102917487A CN 2011102206058 A CN2011102206058 A CN 2011102206058A CN 201110220605 A CN201110220605 A CN 201110220605A CN 102917487 A CN102917487 A CN 102917487A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention discloses an LED (Light Emitting Diode) drive power supply capable of intelligently detecting and adjusting the output voltage, and relates to an output voltage adjustable LED drive power supply. The LED drive power supply comprises a voltage output circuit and further comprises an output voltage detection circuit and an output voltage regulation circuit, wherein a signal output port of the voltage output circuit is in signal connection with a signal input port of the output voltage detection circuit, a signal output port of the output voltage detection circuit is in signal connection with a signal input port of the output voltage regulation circuit, and a signal output port of the output voltage regulation circuit is in signal connection with a signal input port of the voltage output circuit. The LED drive power supply has the benefits that the output voltage detection circuit of the drive power supply can detect and monitor the voltage output circuit of the drive power supply in real time and transmit the detected data information to the output voltage regulation circuit, and the output voltage regulation circuit regulates the control signal of the output voltage in real time according to the acquired data information so as to regulate the output voltage in the voltage output circuit.
Description
[technical field]
The present invention relates to power supply, relate in particular to the adjustable LED driving power of output voltage.
[background technology]
At present, be used for to the driving power of LED lamp power supply, its electric power output voltage is the purpose that maybe will just can reach through manual adjustments the change output voltage of fixing; Because pattern and the specification of LED lamp are numerous, a kind of LED lamp needs the driving power of adaptive special use often, by this, so that the LED driving power becomes comparatively complicated various, specification is numerous, the bad adaptability of every kind of driving power, and also its voltage is non-adjustable brings many troubles when using to the user, or even burn out the LED lamp, bring unnecessary loss to the user.
[summary of the invention]
The object of the invention is to overcome the deficiency of prior art; aim to provide a kind of strong adaptability, Intelligent Measurement that its output voltage is adjustable and adjust the LED driving power of output voltage; but guarantee the driving power extensive use with this, also protected user's LED lamp to be difficult for being burned simultaneously.
The present invention is achieved through the following technical solutions: the LED driving power of a kind of Intelligent Measurement and adjustment output voltage, it comprises power input, the EMI circuit, current rectifying and wave filtering circuit, pwm circuit, PWM feedback control circuit and voltage follower circuit, its improvements are, it also comprises output voltage detecting circuit and output voltage Circuit tuning, described voltage follower circuit is provided with voltage follower circuit signal output port and voltage follower circuit signal input port, described output voltage detecting circuit is provided with output voltage detecting circuit signal input port and output voltage detecting circuit signal output port, and described output voltage Circuit tuning is provided with output voltage Circuit tuning signal input port and output voltage Circuit tuning signal output port; Wherein, described voltage follower circuit signal output port is connected with described output voltage detecting circuit signal input port signal, described output voltage detecting circuit signal output port is connected with described output voltage Circuit tuning signal input port signal, and described output voltage Circuit tuning signal output port is connected with described voltage follower circuit signal input port signal.
The below is further elaborated above technical scheme:
Preferably, it also comprises lightning prevention circuit, and described lightning prevention circuit is series between EMI circuit and the current rectifying and wave filtering circuit.
Preferably, it also comprises the secondary current rectifying and wave filtering circuit, and described secondary current rectifying and wave filtering circuit is series between described pwm circuit and the voltage follower circuit.
Preferably, described voltage follower circuit also is electrically connected an accessory power supply.
Preferably, it also comprises a floating voltage clamp circuit, and described floating voltage clamp circuit is connected with described output voltage detecting circuit signal.
Compared with prior art, beneficial effect of the present invention is: in this driving power, it is provided with output voltage detecting circuit and output voltage Circuit tuning, output voltage detecting circuit carries out detecting ﹠ monitoring to the voltage follower circuit of driving power in real time, and the data message that detects sent to the output voltage Circuit tuning, the output voltage Circuit tuning is according to the control signal of the real-time adjustment output voltage of the data message that obtains, to adjust the voltage of exporting in the voltage follower circuit, by this, so that the driving power of this structure simplifies the structure, and the LED lamp of identical wattage can be used the same driving power, so that the specification kind of power supply has been lacked, cost simultaneously, also is convenient to produce in enormous quantities; Applicability is strong, is convenient to the client and uses, and has also avoided damaging LED because LED POWER output voltage is higher than LED light fixture voltage; Two, this driving power is provided with lightning prevention circuit, and when having guaranteed to use out of doors, this driving power can by broken by lightning, further not ensure the safety of this driving power; Three, the driving power of this structure also is provided with the secondary current rectifying and wave filtering circuit, and this secondary current rectifying and wave filtering circuit is so that the more level and smooth direct voltage of driving power output; Three, this driving power also is provided with an accessory power supply, and this accessory power supply further provides guarantee for the electricity consumption of driving power; Four, this output voltage detecting circuit is electrically connected a floating voltage clamp circuit, has guaranteed that output voltage detecting circuit can be not damaged when zero load or underloading, has guaranteed the safety of output voltage detecting circuit.
[description of drawings]
Fig. 1 is block flowsheet schematic diagram of the present invention.
Among the figure: 1, power input; 2, EMI circuit; 3, lightning prevention circuit; 4, current rectifying and wave filtering circuit; 5, pwm circuit; 6, PWM feedback control circuit; 7, secondary current rectifying and wave filtering circuit; 8, voltage follower circuit; 9, output voltage detecting circuit; 10, output voltage Circuit tuning; 11, accessory power supply; 12, floating voltage clamp circuit.
[embodiment]
The invention will be further described below in conjunction with the drawings and specific embodiments:
With reference to shown in Figure 1, the LED driving power of this Intelligent Measurement and adjustment output voltage, it comprises power input 1, EMI circuit 2, current rectifying and wave filtering circuit 4, pwm circuit 5, PWM feedback control circuit 6 and voltage follower circuit 8; It also comprises output voltage detecting circuit 9 and output voltage Circuit tuning 10, described voltage follower circuit 8 is provided with voltage follower circuit signal output port and voltage follower circuit signal input port, described output voltage detecting circuit 9 is provided with output voltage detecting circuit signal input port and output voltage detecting circuit signal output port, and described output voltage Circuit tuning 10 is provided with output voltage Circuit tuning signal input port and output voltage Circuit tuning signal output port; Wherein, described voltage follower circuit signal output port is connected with described output voltage detecting circuit signal input port signal, described output voltage detecting circuit signal output port is connected with described output voltage Circuit tuning signal input port signal, and described output voltage Circuit tuning signal output port is connected with described voltage follower circuit signal input port signal.Secondly, it also comprises lightning prevention circuit 3, and described lightning prevention circuit 3 is series between EMI circuit 2 and the current rectifying and wave filtering circuit 4.Again, it also comprises secondary current rectifying and wave filtering circuit 7, and described secondary current rectifying and wave filtering circuit 7 is series between described pwm circuit 5 and the voltage follower circuit 8.In addition, described voltage follower circuit 8 also is electrically connected an accessory power supply 11.Further, it also comprises a floating voltage clamp circuit 12, and described floating voltage clamp circuit 12 is connected with described output voltage detecting circuit 9 signals.
Or with reference to shown in Figure 1, in this driving power, it is provided with output voltage detecting circuit 9 and output voltage Circuit tuning 10, output voltage detecting circuit 9 carries out detecting ﹠ monitoring to the voltage follower circuit 8 of driving power in real time, and the data message that detects sent to output voltage Circuit tuning 10, output voltage Circuit tuning 10 is according to the control signal of the real-time adjustment output voltage of the data message that obtains, to adjust the voltage of output in the voltage follower circuit 8, by this, so that the driving power of this structure simplifies the structure, and the LED lamp of identical wattage can be used the same driving power, so that the specification kind of power supply has been lacked, cost simultaneously, also is convenient to produce in enormous quantities; Applicability is strong, is convenient to the client and uses, and has also avoided damaging LED because LED POWER output voltage is higher than LED light fixture voltage; Secondly, this driving power is provided with lightning prevention circuit 3, and when having guaranteed to use out of doors, this driving power can by broken by lightning, further not ensure the safety of this driving power; Again, the driving power of this structure also is provided with secondary current rectifying and wave filtering circuit 7, and this secondary current rectifying and wave filtering circuit 7 is so that the more level and smooth direct voltage of driving power output; Further, this driving power also is provided with an accessory power supply 11, and this accessory power supply 11 further provides guarantee for the electricity consumption of driving power; A nearlyer step ground, this output voltage detecting circuit 9 are electrically connected a floating voltage clamp circuit 12, have guaranteed that output voltage detecting circuit 9 can be not damaged when zero load or underloading, have guaranteed the safety of output voltage detecting circuit.
The according to the above description announcement of book and instruction, those skilled in the art in the invention can also carry out suitable change and modification to above-mentioned execution mode.Therefore, the embodiment that discloses and describe above the present invention is not limited to also should fall in the protection range of claim of the present invention modifications and changes more of the present invention.In addition, although used some specific terms in this specification, these terms do not consist of any restriction to the present invention just for convenience of description.
Claims (5)
1. an Intelligent Measurement and adjust the LED driving power of output voltage, it comprises power input, EMI circuit, current rectifying and wave filtering circuit, pwm circuit, PWM feedback control circuit and voltage follower circuit, it is characterized in that: it also comprises output voltage detecting circuit and output voltage Circuit tuning
Described voltage follower circuit is provided with voltage follower circuit signal output port and voltage follower circuit signal input port, described output voltage detecting circuit is provided with output voltage detecting circuit signal input port and output voltage detecting circuit signal output port, and described output voltage Circuit tuning is provided with output voltage Circuit tuning signal input port and output voltage Circuit tuning signal output port;
Wherein, described voltage follower circuit signal output port is connected with described output voltage detecting circuit signal input port signal, described output voltage detecting circuit signal output port is connected with described output voltage Circuit tuning signal input port signal, and described output voltage Circuit tuning signal output port is connected with described voltage follower circuit signal input port signal.
2. Intelligent Measurement according to claim 1 and adjust the LED driving power of output voltage, it is characterized in that: it also comprises lightning prevention circuit, described lightning prevention circuit is series between EMI circuit and the current rectifying and wave filtering circuit.
3. Intelligent Measurement according to claim 1 and adjust the LED driving power of output voltage, it is characterized in that: it also comprises the secondary current rectifying and wave filtering circuit, described secondary current rectifying and wave filtering circuit is series between described pwm circuit and the voltage follower circuit.
4. Intelligent Measurement according to claim 1 and adjust the LED driving power of output voltage, it is characterized in that: described voltage follower circuit also is electrically connected an accessory power supply.
5. Intelligent Measurement according to claim 1 and adjust the LED driving power of output voltage, it is characterized in that: it also comprises a floating voltage clamp circuit, described floating voltage clamp circuit is connected with described output voltage detecting circuit signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102206058A CN102917487A (en) | 2011-08-02 | 2011-08-02 | LED drive power supply capable of intelligently detecting and adjusting output voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102206058A CN102917487A (en) | 2011-08-02 | 2011-08-02 | LED drive power supply capable of intelligently detecting and adjusting output voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102917487A true CN102917487A (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102206058A Pending CN102917487A (en) | 2011-08-02 | 2011-08-02 | LED drive power supply capable of intelligently detecting and adjusting output voltage |
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| Country | Link |
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| CN (1) | CN102917487A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485912A (en) * | 2014-11-19 | 2015-04-01 | 国网河南省电力公司濮阳供电公司 | Communication power supply system and communication power supply equipment |
| CN112327150A (en) * | 2020-10-21 | 2021-02-05 | 山东泰开智能配电有限公司 | Intelligent running-in experiment platform for medium-voltage circuit breaker and control method of intelligent running-in experiment platform |
| CN117075675A (en) * | 2023-10-18 | 2023-11-17 | 西安集成电路设计专业孵化器有限公司 | Method and device for controlling current of integrated circuit chip based on embedded type |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101616524A (en) * | 2009-07-29 | 2009-12-30 | 广州复旦奥特科技股份有限公司 | A kind of commercial LED illumination driver |
| CN101873749A (en) * | 2010-06-25 | 2010-10-27 | 海洋王照明科技股份有限公司 | Power conversion circuit and LED drive circuit |
| CN202160316U (en) * | 2011-08-02 | 2012-03-07 | 深圳美凯电子股份有限公司 | Intelligent detection and output voltage adjustable LED driving power supply |
-
2011
- 2011-08-02 CN CN2011102206058A patent/CN102917487A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101616524A (en) * | 2009-07-29 | 2009-12-30 | 广州复旦奥特科技股份有限公司 | A kind of commercial LED illumination driver |
| CN101873749A (en) * | 2010-06-25 | 2010-10-27 | 海洋王照明科技股份有限公司 | Power conversion circuit and LED drive circuit |
| CN202160316U (en) * | 2011-08-02 | 2012-03-07 | 深圳美凯电子股份有限公司 | Intelligent detection and output voltage adjustable LED driving power supply |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485912A (en) * | 2014-11-19 | 2015-04-01 | 国网河南省电力公司濮阳供电公司 | Communication power supply system and communication power supply equipment |
| CN104485912B (en) * | 2014-11-19 | 2017-07-28 | 国网河南省电力公司濮阳供电公司 | A kind of power supply system for communications and equipment |
| CN112327150A (en) * | 2020-10-21 | 2021-02-05 | 山东泰开智能配电有限公司 | Intelligent running-in experiment platform for medium-voltage circuit breaker and control method of intelligent running-in experiment platform |
| CN117075675A (en) * | 2023-10-18 | 2023-11-17 | 西安集成电路设计专业孵化器有限公司 | Method and device for controlling current of integrated circuit chip based on embedded type |
| CN117075675B (en) * | 2023-10-18 | 2024-03-05 | 西安集成电路设计专业孵化器有限公司 | Method and device for controlling current of integrated circuit chip based on embedded type |
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| C10 | Entry into substantive examination | ||
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| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lai Lianghai Inventor after: Liu Jiangping Inventor after: Li Junfeng Inventor before: Lai Lianghai |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LAI LIANGHAI TO: LAI LIANGHAI LIU JIANGPING LI JUNFENG |
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130206 |