CN114080078A - Intelligent driver and driving method for LED lamp strip - Google Patents

Intelligent driver and driving method for LED lamp strip Download PDF

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Publication number
CN114080078A
CN114080078A CN202010797799.7A CN202010797799A CN114080078A CN 114080078 A CN114080078 A CN 114080078A CN 202010797799 A CN202010797799 A CN 202010797799A CN 114080078 A CN114080078 A CN 114080078A
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China
Prior art keywords
power
led
led lamp
strip
lamp strip
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CN202010797799.7A
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CN114080078B (en
Inventor
王小波
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Suzhou Strey Electronic Co ltd
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Suzhou Strey Electronic Co ltd
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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
    • H05B45/32—Pulse-control circuits
    • H05B45/325—Pulse-width modulation [PWM]
    • 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
    • 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]
    • H05B45/20—Controlling the colour of the light
    • 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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  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The invention discloses an intelligent driver of an LED lamp belt and a driving method. The LED lamp strip intelligent driver comprises an output interface, the output interface comprises a first power output end and a second power output end, and the first power output end and the second power output end can be connected with a power output line independently or simultaneously to match LED lamp strips with different powers; the LED driving loop is connected with the output interface and used for driving the LED lamp strip; and the MCU is connected with the LED driving circuit and is used for controlling the driving power of the LED driving circuit based on the power of the LED lamp strip. The intelligent driver of the LED lamp strip has the advantages that the LED lamp strip with different power can be driven, the shared design of the intelligent driver of the LED lamp strip is realized, and the development efficiency is improved.

Description

Intelligent driver and driving method for LED lamp strip
Technical Field
The invention belongs to the technical field of intelligent drivers, and particularly relates to an intelligent driver of an LED lamp belt and a driving method.
Background
The light strip on the market at present supplies power to the LED through a 24V power supply driver. In the practical application process, the requirements for the length of the lamp strip can be different, and the power corresponding to the lamp strips with different lengths can also be different. Since the lamp strips with different powers have different interfaces, the lamp strip with each power needs to be matched with the power driver with the corresponding driving power. This results in a large variety of power drivers and a low development efficiency.
Therefore, in view of the above technical problems, it is necessary to provide an LED strip intelligent driver.
Disclosure of Invention
The invention aims to provide an intelligent driver of an LED lamp belt, and aims to solve the problems that in the prior art, power drivers are various in types and low in development efficiency.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
in an embodiment, the present application provides an LED strip smart driver, including:
the output interface comprises a first power output end and a second power output end, and the first power output end and the second power output end can be connected with a power output line independently or simultaneously to match with the LED lamp belts with different powers;
the LED driving loop is connected with the output interface and used for driving the LED lamp strip;
and the MCU is connected with the LED driving circuit and is used for controlling the driving power of the LED driving circuit based on the power of the LED lamp strip.
Optionally, the LED lamp strip intelligent driver further includes a current detection circuit, and the MCU detects the current of the LED lamp strip through the current detection circuit to determine the driving power of the LED driving circuit.
Optionally, the MCU is configured to control the driving power of the LED driving circuit to be less than or equal to a first set power when the obtained power of the LED light strip is less than or equal to the first set power.
Optionally, the first power output end is connected with a power output line to the LED strip.
Optionally, the MCU is configured to control the driving power of the LED driving circuit to be less than or equal to a second set power when the obtained power of the LED light strip is greater than the first set power, where the second set power is greater than the first set power.
Optionally, the first power output end and the second power output end are respectively connected with a power output line to the LED lamp strip.
Optionally, the wire diameter of the power output line is AWG 18.
Optionally, the output interface further includes pulse signal output ends, and each pulse signal output end corresponds to an LED strip with one color.
In an embodiment, the present application provides an LED strip smart driver, including:
the method comprises the following steps:
acquiring the power of the LED lamp strip;
if the power of the LED lamp strip is smaller than or equal to a first set power, controlling the driving power of the LED driving circuit to be smaller than or equal to the first set power;
if the power of the LED lamp strip is greater than a first set power, controlling the driving power of the LED driving circuit to be less than or equal to a second set power; wherein the second set power is greater than the first set power.
Optionally, the method for obtaining the power of the LED strip includes: and acquiring the power of the LED lamp strip through the current detection loop.
Compared with the prior art, the output interface of the intelligent LED lamp strip driver provided by the invention comprises a first power output end and a second power output end, wherein the first power output end and the second power output end can be connected with a power output line independently or simultaneously to match LED lamp strips with different powers. Therefore, the LED intelligent driver can drive the LED lamp belts with different powers, the shared design of the LED lamp belt intelligent driver is realized, and the development efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of an LED strip smart driver according to an embodiment of the present application;
fig. 2 is a schematic diagram of a driving principle of an intelligent driver for an LED strip in an embodiment of the present application;
fig. 3 is a schematic diagram of a driving principle of an intelligent driver for an LED strip in an embodiment of the present application;
fig. 4 is a schematic diagram of an output interface of an LED strip smart driver according to an embodiment of the present application.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. The embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.
Referring to fig. 1-4, the present application provides an LED strip smart driver 100, comprising: output interface 1, LED driving circuit 2 and MCU 3.
Referring to fig. 1, the output interface 1 includes a first power output 11 and a second power output 12. The first power output 11 and the second power output 12 may be connected to the power output lines separately or simultaneously to match LED strips of different powers.
It will be appreciated that typically the maximum power of the light strip is 150W, which corresponds to a current of 6.25A. The LED strip can be driven by designing the maximum driving power of the LED strip smart driver 100 to 150W. If the output interface 1 has only one power output end, only one power output line with the maximum power can be connected. And when the power of the LED lamp strip used actually is small, the current flowing through the power output line is also small, and the power output line using 150W is too thick. Therefore, the output interface 1 of the LED strip smart driver 100 provided by the present application includes two power strip outputs, namely, a first power output 11 and a second power output 12.
Referring to fig. 2-3, when the power of the actually used LED strip is below 70W, a single line power output line is used to connect to the first power output 11. When the power of the actually used LED strip is 70W to 150W, two lines of power supply output lines are used to be connected to the first power output terminal 11 and the second power output terminal 12, respectively. The power output line has the wire diameter of AWG18, which can bear 3.2A, and the corresponding power is 76.8W. So for LED lamp area intelligent drive ware can drive the LED lamp area of multiple power, realizes sharing design.
And the LED driving loop 2 is connected with the output interface 1 and the MCU3 and is used for driving the LED lamp strip according to the control of the MCU 3.
And the MCU3 is connected with the LED driving circuit 2 and used for controlling the driving power of the LED driving circuit 2 based on the power of the LED lamp strip.
Specifically, the MCU3 obtains the power of the LED strip, and controls the driving power of the LED driving circuit 2 to be less than or equal to a first set power if the power of the LED strip is less than or equal to the first set power. The first set power may be 70W. And if the power of the LED lamp strip is greater than the first set power, controlling the driving power of the LED driving circuit to be less than or equal to a second set power, wherein the second set power is greater than the first set power. The second set power may be 150W.
Specifically, the MCU3 is further connected to the current detection circuit 4, the current detection circuit 4 is configured to detect a current in the LED strip and feed the current back to the MCU3, and the MCU3 determines a power of the LED strip according to the current and controls a driving power of the LED driving circuit 2.
Referring to fig. 4, the output interface 2 further includes a plurality of pulse signal output terminals 13, and when the LED light strip is a dual-color warm light strip, the pulse signal output terminals 13 include a cool color output port 131 and a warm color output port 132. When the LED light strip is a two-color warm light strip plus an RGB light strip, the pulse signal output end 13 includes a cold color output port 131, a warm color output port 132, an R output port 133, a G output port 134, and a B output port 135. Each pulse signal output end is connected with a load line to the LED lamp strip.
Specifically, each pulse signal output end 13 corresponds to an LED strip of one color. The pulse signal can be a PWM pulse control signal, when the PWM pulse control signal is at a low level, the brightness of the corresponding LED lamp strip is controlled to be maximum, and when the PWM pulse control signal is at a high level, the brightness of the corresponding LED lamp strip is controlled to be minimum. Therefore, the brightness of the LED lamp belts with different colors can be controlled independently.
Specifically, the LED lamp strip intelligent driver 100 further includes a wireless module 5, and the wireless module 5 is used for performing wireless communication with the outside. The wireless module 5 specifically includes a LORA chip and an antenna connected thereto.
Specifically, the LED strip intelligent driver 100 further includes a power module 6, and the power module 6 is used for being connected with an external power supply. The external power supply can be 24V, and the power of the external power supply is more than or equal to that of the LED lamp strip.
The output interface of the LED lamp strip intelligent driver provided by the invention comprises a first power output end and a second power output end, wherein the first power output end and the second power output end can be connected with a power output line independently or simultaneously to match with LED lamp strips with different powers. Therefore, the LED intelligent driver can drive the LED lamp belts with different powers, the shared design of the LED lamp belt intelligent driver is realized, and the development efficiency is improved.
The application provides a driving method of an intelligent driver of an LED lamp strip, which comprises the following steps:
acquiring the power of the LED lamp strip;
if the power of the LED lamp strip is smaller than or equal to the first set power, controlling the driving power of the LED driving loop to be smaller than or equal to the first set power;
if the power of the LED lamp strip is greater than the first set power, controlling the driving power of the LED driving circuit to be less than or equal to a second set power; the second set power is larger than the first set power.
Optionally, the method for obtaining the power of the LED strip includes: and acquiring the power of the LED lamp strip through the current detection loop.
The output interface of the LED lamp strip intelligent driver provided by the invention comprises a first power output end and a second power output end, wherein the first power output end and the second power output end can be connected with a power output line independently or simultaneously to match with LED lamp strips with different powers. Therefore, the LED intelligent driver can drive the LED lamp belts with different powers, the shared design of the LED lamp belt intelligent driver is realized, and the development efficiency is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. An LED light strip smart driver, comprising:
the output interface comprises a first power output end and a second power output end, and the first power output end and the second power output end can be connected with a power output line independently or simultaneously to match with the LED lamp belts with different powers;
the LED driving loop is connected with the output interface and used for driving the LED lamp strip;
and the MCU is connected with the LED driving circuit and is used for controlling the driving power of the LED driving circuit based on the power of the LED lamp strip.
2. The LED lamp strip intelligent driver as claimed in claim 1, further comprising a current detection circuit, wherein the MCU detects a current of the LED lamp strip through the current detection circuit to determine a driving power of the LED driving circuit.
3. The intelligent LED lamp strip driver according to claim 1, wherein the MCU is configured to control the driving power of the LED driving circuit to be equal to or less than a first set power when the power obtained from the LED lamp strip is equal to or less than the first set power.
4. A LED strip smart driver as claimed in claim 3, wherein the first power output connects a power output line to the LED strip.
5. The intelligent driver for the LED lamp strip according to claim 3, wherein the MCU is configured to control the driving power of the LED driving circuit to be less than or equal to a second set power when the obtained power of the LED lamp strip is greater than a first set power, and the second set power is greater than the first set power.
6. A LED lamp strip intelligent driver as claimed in claim 5, wherein the first power output end and the second power output end are respectively connected with a power output line to the LED lamp strip.
7. A LED strip smart driver as claimed in claim 1, wherein the wire diameter of the power output wire is AWG 18.
8. A LED strip smart driver as claimed in claim 1, wherein the output interface further comprises pulse signal outputs, each pulse signal output corresponding to a color LED strip.
9. A driving method of an intelligent driver of an LED lamp belt is characterized by comprising the following steps:
acquiring the power of the LED lamp strip;
if the power of the LED lamp strip is smaller than or equal to a first set power, controlling the driving power of the LED driving circuit to be smaller than or equal to the first set power;
if the power of the LED lamp strip is greater than a first set power, controlling the driving power of the LED driving circuit to be less than or equal to a second set power; wherein the second set power is greater than the first set power.
10. The method of claim 9, wherein the step of obtaining power of the LED strip comprises: and acquiring the power of the LED lamp strip through the current detection loop.
CN202010797799.7A 2020-08-10 2020-08-10 Intelligent driver and driving method for LED lamp strip Active CN114080078B (en)

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CN202010797799.7A CN114080078B (en) 2020-08-10 2020-08-10 Intelligent driver and driving method for LED lamp strip

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Application Number Priority Date Filing Date Title
CN202010797799.7A CN114080078B (en) 2020-08-10 2020-08-10 Intelligent driver and driving method for LED lamp strip

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CN114080078B CN114080078B (en) 2024-02-20

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102573235A (en) * 2012-01-11 2012-07-11 杭州矽力杰半导体技术有限公司 High-efficiency light-emitting diode (LED) driving circuit and driving method thereof
US20130002159A1 (en) * 2011-01-10 2013-01-03 Hangzhou Silergy Semiconductor Technology LTD Controlling circuit for an led driver and controlling method thereof
US20140312782A1 (en) * 2013-04-02 2014-10-23 Magnitude Lighting Transformers Inc. Device and method for controlled led lighting
US20140333229A1 (en) * 2011-12-05 2014-11-13 Eldolab Holding B.V. Driver system for driving at least one led
CN104797056A (en) * 2015-04-29 2015-07-22 王康 LED lamp device, and system and method for setting power parameters of LED lamp
CN204836707U (en) * 2015-08-10 2015-12-02 上海锳科迩电子股份有限公司 LED drive device that wireless control can adjust luminance and mix colours
WO2017107146A1 (en) * 2015-12-24 2017-06-29 深圳市聚作照明股份有限公司 Led drive circuit
CN106973455A (en) * 2016-01-13 2017-07-21 三星电子株式会社 Led drive device and lighting device
CN208128575U (en) * 2018-01-17 2018-11-20 深圳市长运通半导体技术有限公司 The LED lamp of input power automatic adjustment
CN110769566A (en) * 2019-10-23 2020-02-07 东莞市喜见天能源技术有限公司 LED driver circuit and working method thereof

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130002159A1 (en) * 2011-01-10 2013-01-03 Hangzhou Silergy Semiconductor Technology LTD Controlling circuit for an led driver and controlling method thereof
US20140333229A1 (en) * 2011-12-05 2014-11-13 Eldolab Holding B.V. Driver system for driving at least one led
CN102573235A (en) * 2012-01-11 2012-07-11 杭州矽力杰半导体技术有限公司 High-efficiency light-emitting diode (LED) driving circuit and driving method thereof
US20140312782A1 (en) * 2013-04-02 2014-10-23 Magnitude Lighting Transformers Inc. Device and method for controlled led lighting
CN104797056A (en) * 2015-04-29 2015-07-22 王康 LED lamp device, and system and method for setting power parameters of LED lamp
CN204836707U (en) * 2015-08-10 2015-12-02 上海锳科迩电子股份有限公司 LED drive device that wireless control can adjust luminance and mix colours
WO2017107146A1 (en) * 2015-12-24 2017-06-29 深圳市聚作照明股份有限公司 Led drive circuit
CN106973455A (en) * 2016-01-13 2017-07-21 三星电子株式会社 Led drive device and lighting device
CN208128575U (en) * 2018-01-17 2018-11-20 深圳市长运通半导体技术有限公司 The LED lamp of input power automatic adjustment
CN110769566A (en) * 2019-10-23 2020-02-07 东莞市喜见天能源技术有限公司 LED driver circuit and working method thereof

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