CN106341928B - A kind of highly compatible AC-battery power source structure LED centralization DC power-supply systems - Google Patents
A kind of highly compatible AC-battery power source structure LED centralization DC power-supply systems Download PDFInfo
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- CN106341928B CN106341928B CN201610957330.9A CN201610957330A CN106341928B CN 106341928 B CN106341928 B CN 106341928B CN 201610957330 A CN201610957330 A CN 201610957330A CN 106341928 B CN106341928 B CN 106341928B
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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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Abstract
The invention discloses a kind of highly compatible AC-battery power source structure LED centralization DC power-supply systems, the system includes N number of common M types, the power module of output voltage average value identical first until N power modules, Z impedances compatible modules and the LED light group being connected with Z impedance compatible modules；Z impedances compatible modules include the first inductance, the second inductance, respectively by L the electric capacity connected the first capacitance module and the second capacitance module that form, and interface, 2L >=N are both provided between two electric capacity of arbitrary neighborhood in the first capacitance module and the second capacitance module.The present invention is provided with Z impedance compatible modules between each power module and output busbar, on the one hand, can suppress output voltage and the current fluctuation of each power module, improve the output quality of power supply, reduce time cost and financial cost；On the other hand, loss can be reduced, realizes the collaboration power supply in parallel of different type power module, improves compatibility, scalability and the reliability of LED power system.
Description
Technical field
The present invention relates to direct current supply technical field, is concentrated more particularly to a kind of highly compatible AC-battery power source structure LED
Formula DC power-supply system.
Background technology
Conventional multi-mode block parallel connection type great power LED centralization DC power-supply system has obtained more and more in daily life
Application, it requires that each parallel electric source module has identical power supply architecture, sometimes for ensuring LED centralization direct current supplys system
The reliability of system, or even require that each parallel electric source module must be the power module of the same model of same manufacturer production, this
Greatly reduce the compatibility and scalability of multiple module paralleling type great power LED centralization DC power-supply system.And when conventional
When having power module to break down in multiple module paralleling type great power LED centralization DC power-supply system, user is often not
Not go for the original manufacturer of the module and repaired and changed, virtually cause the big of time cost and financial cost
Width increase；In addition, even if each parallel electric source module is in conventional multi-mode block parallel connection type great power LED centralization DC power-supply system
The power module of the same model of same manufacturer production, but due to being influenceed by component and outside environmental elements, each module is defeated
Going out characteristic can not possibly be completely the same, and its output voltage and output current have fluctuation, if directly that each power module is used in parallel
" circulation " phenomenon will be inevitably produced between each power module, causes the reliability of whole LED power system and efficiency big
Width reduces.
Therefore, how to provide a kind of technical scheme for solving above-mentioned technical problem is that those skilled in the art need to solve at present
Certainly the problem of.
The content of the invention
It is an object of the invention to provide a kind of highly compatible AC-battery power source structure LED centralization DC power-supply systems, a side
Face, output voltage and the current fluctuation of each power module can be suppressed, reduce LED power system output ripple content, improved defeated
Go out the quality of power supply, so that the type of power module is not required, when there is a power module failure,
Avoid user and have to go for the occurrence of original manufacturer of the module repaired and changed, reduce the time
Cost and financial cost；On the other hand, can suppress because of characteristic parameters such as the internal resistance of different electrical power intermodule power, ripple amplitudes
Difference and caused by circulation phenomenon between each power module, loss is reduced, so as to realize the association in parallel of different type power module
With power supply, compatibility, scalability and the reliability of raising LED power system.
In order to solve the above technical problems, the invention provides a kind of highly compatible AC-battery power source structure LED centralization direct currents
Electric power system, the system include N number of common M types, the power module of output voltage average value identical first until N power supply moulds
Block, Z impedances compatible modules and the LED light group being connected with the Z impedances compatible modules, N are the integer not less than 2, and M is little
In N positive integer；The Z impedances compatible modules include the first inductance, the second inductance, are respectively made up of the electric capacity of L series connection
The first capacitance module and the second capacitance module, the arbitrary neighborhood in first capacitance module and second capacitance module
Interface, 2L >=N are both provided between two electric capacity；
The output cathode of first power module first end with first inductance and the first electric capacity mould respectively
The first end connection of block, the output negative pole of first power module connect with other any interfaces on first capacitance module
Connect, the output negative poles of the N power modules respectively with the first end of second inductance and second capacitance module
One end is connected, and the output cathode of the N power modules is connected with other any interfaces on second capacitance module, and second
Power module is until the output end of N-1 power modules is attempted by first capacitance module or second capacitance module
Any one or multiple electric capacity both ends, and the output cathode and output negative pole of any two or multiple power modules will not
One electric capacity of identical or multiple electric capacity of first capacitance module either in second capacitance module are connected in parallel on simultaneously
Both ends；The positive pole of second end of first inductance and the second end of second capacitance module with the output busbar connects
Connect, the output negative pole of the second end of the second end of second inductance and first capacitance module with the output busbar
Connection.
Preferably, N=2L.
Preferably, first power module, the 3rd power module are until N-1 power modules correspond successively respectively
In parallel with L electric capacity in first capacitance module, the second source module, the 4th power module are until N power supply moulds
Block corresponds in parallel with L electric capacity in second capacitance module successively respectively.
Preferably, N=L.
Preferably, one group two-by-two of electric capacity in first capacitance module and second capacitance module, described first
Power module, the 3rd power module until N-1 power modules correspond respectively successively with the L in first capacitance module
Group electric capacity is in parallel, the second source module, the 4th power module until N power modules correspond respectively successively with it is described
L groups electric capacity in second capacitance module is in parallel.
Preferably, the power module includes PWM power modules.
Preferably, the power module includes PFM power modules.
Preferably, the type of N number of power module is 3 kinds.
The invention provides a kind of highly compatible AC-battery power source structure LED centralization DC power-supply systems, the system includes N
Individual common M types, the power module of output voltage average value identical first are until N power modules, Z impedances compatible modules, defeated
Go out busbar and the LED light group being connected with output busbar；Z impedances compatible modules include the first inductance, the second inductance, respectively by
The first capacitance module and the second capacitance module that the electric capacity of L series connection is formed, in the first capacitance module and the second capacitance module
Two electric capacity of arbitrary neighborhood between be both provided with interface, 2L >=N.
The present invention is provided with Z impedance compatible modules between each power module and output busbar, on the one hand, can suppress
The output voltage of each power module and current fluctuation, LED power system output ripple content is reduced, improves the output quality of power supply,
So that being not required to the type of power module, when there is a power module failure, user is avoided
Have to go for the occurrence of original manufacturer of the module repaired and changed, reduce time cost and economy
Cost；On the other hand, can suppress because of the difference of the characteristic parameters such as the internal resistance of different electrical power intermodule power, ripple amplitude and caused by
Each power module between circulation phenomenon, reduce loss, so as to realize the collaboration power supply in parallel of different type power module, improve
Compatibility, scalability and the reliability of LED power system.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be to institute in prior art and embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of structure of highly compatible AC-battery power source structure LED centralization DC power-supply systems provided by the invention
Schematic diagram.
Embodiment
The core of the present invention is to provide a kind of highly compatible AC-battery power source structure LED centralization DC power-supply systems, a side
Face, output voltage and the current fluctuation of each power module can be suppressed, reduce LED power system output ripple content, improved defeated
Go out the quality of power supply, so that the type of power module is not required, when there is a power module failure,
Avoid user and have to go for the occurrence of original manufacturer of the module repaired and changed, reduce the time
Cost and financial cost；On the other hand, can suppress because of characteristic parameters such as the internal resistance of different electrical power intermodule power, ripple amplitudes
Difference and caused by circulation phenomenon between each power module, loss is reduced, so as to realize the association in parallel of different type power module
With power supply, compatibility, scalability and the reliability of raising LED power system.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 is refer to, Fig. 1 is a kind of highly compatible AC-battery power source structure LED centralization direct current supplys provided by the invention
The structural representation of system, the system include N number of common M types, the first power module of output voltage average value identical 1 up to
N power modules 1, Z impedances compatible modules 2 and the LED light group 3 being connected with Z impedances compatible modules 2, N are whole not less than 2
Number, M are the positive integer no more than N；Z impedances compatible modules 2 include the first inductance, the second inductance, respectively by the electricity of L series connection
Hold the first capacitance module and the second capacitance module formed, the arbitrary neighborhood two in the first capacitance module and the second capacitance module
Interface, 2L >=N are both provided between individual electric capacity；
The output cathode of first power module 1 connects with the first end of the first inductance and the first end of the first capacitance module respectively
Connect, the output negative pole of the first power module 1 is connected with other any interfaces on the first capacitance module, N power modules 1 it is defeated
Go out negative pole to be connected with the first end of the second inductance and the first end of the second capacitance module respectively, the output cathode of N power modules 1
Be connected with other any interfaces on the second capacitance module, second source module 1 until N-1 power modules 1 output end simultaneously
It is connected on any one or multiple electric capacity both ends of first capacitance module either in the second capacitance module, and any two or more
The output cathode and output negative pole of individual power module 1 will not be connected in parallel in the first capacitance module or the second capacitance module simultaneously
One electric capacity of identical or multiple electric capacity both ends；Second end of the first inductance and the second end of the second capacitance module with it is defeated
Go out the positive pole connection of busbar, the output of the second end of the second inductance and the second end of the first capacitance module with exporting busbar is born
Pole connects.
Specifically, in the application, when the voltage rise of one or more power module 1 output in N number of power module 1
When, the voltage can give electric capacity and induction charging, due to capacitance voltage and the not mutability of inductive current, LED load voltage and
Electric current is basically unchanged；On the other hand, when the power supply of one or more power module 1 output reduces, electric capacity and inductive discharge,
Load voltage and electric current is maintained to be basically unchanged.
In addition, it is necessary to explanation, LED light group 3 here can be LED street lamp, large-scale outdoor LED landscape lamp etc..
Meanwhile N number of power module 1 here can be different types of power supply, different types of power module 1 can be
One characteristic of each module is different or multiple characteristics are different, can be specifically that the output current of N number of power supply is of different sizes and/or defeated
Go out that ripple is of different sizes and/or the internal resistance of source is of different sizes and/or producer is different with model and/or the control strategy of power supply not
Together.
Preferably, power module 1 includes PWM power modules.
Preferably, power module 1 includes PFM power modules.
Preferably, the type of N number of power module 1 is 3 kinds.
Certainly, power module 1 here can also be other kinds of power module, and the present invention does not do special limit herein
It is fixed, it is desirable to which that the output voltage average value of each power module 1 is identical.
Preferably, N=L.
Preferably, one group two-by-two of electric capacity in the first capacitance module and the second capacitance module, the first power module
1st, the 3rd power module 1 until N-1 power modules 1 correspond respectively successively with the L groups electric capacity in the first capacitance module simultaneously
Connection, second source module 1, the 4th power module 1 until N power modules 1 correspond respectively successively with the second capacitance module
In L groups electric capacity it is in parallel.
Specifically, C1, C3, C5 ... C2L-1 are sequentially connected in series to form the first capacitance module, and C2, C4, C6 ... C2L connect to be formed
Second capacitance module, and an interface is had between each two electric capacity, the first inductance, the second inductance, the first capacitance module and
Two capacitance modules form the shape with Z source impedance networks.
In order to meet pressure-resistant and through-flow requirement, electric capacity C1~C2L and inductance L1~L2 can be by many small respectively here
Electric capacity and inductance by appropriate connection in series-parallel and the electric capacity and inductor module that form；Each output end of parallel electric source module 1 is according to defeated
Go out voltage request, be in parallel respectively with each electric capacity in 2 liang of electric capacity bridge arms of Z impedances compatible modules.
The input of Z impedances compatible modules 2 has N number of port, respectively connected N number of power module 1, and output end only has one
Port, it is connected to positive negative output bus.
Preferably, N=2L.
Preferably, the first power module 1, the 3rd power module 1 are until N-1 power modules 1 correspond respectively
In parallel with L electric capacity in the first capacitance module successively, second source module 1, the 4th power module 1 are until N power modules 1
Correspond respectively in parallel with L electric capacity in the second capacitance module successively.
It is understood that above-mentioned each capacitance module is in parallel with two electric capacity, each power module 1 here is
In parallel with an electric capacity, the present invention is not particularly limited for each capacitance module is specifically in parallel with how many individual electric capacity, root
Determine according to actual conditions.
LED centralizations DC power-supply system provided by the invention, the scope of required positive negative output bus can be calculated.
Assuming that Vi(i=1 ..., N) is the output voltage of each module, and the voltage range that positive negative output bus can be calculated is：
Max{Vi,…VN＜ Vdc ＜ M Σ { Vi,…VN, M is the boosting ratio coefficient of impedance network, is according to impedance network and each
What the connected mode of module determined, M is more than 1.Therefore, the system, can also be very big while compatible modules otherness
The adjustment output voltage of scope, to meet the normal operation of LED light group 3.
The invention provides a kind of highly compatible AC-battery power source structure LED centralization DC power-supply systems, the system includes N
Individual common M types, the power module of output voltage average value identical first are until N power modules, Z impedances compatible modules, defeated
Go out busbar and the LED light group being connected with output busbar；Z impedances compatible modules include the first inductance, the second inductance, respectively by
The first capacitance module and the second capacitance module that the electric capacity of L series connection is formed, in the first capacitance module and the second capacitance module
Two electric capacity of arbitrary neighborhood between be both provided with interface, 2L >=N.
The present invention is provided with Z impedance compatible modules between each power module and output busbar, on the one hand, can suppress
The output voltage of each power module and current fluctuation, LED power system output ripple content is reduced, improves the output quality of power supply,
So that being not required to the type of power module, when there is a power module failure, user is avoided
Have to go for the occurrence of original manufacturer of the module repaired and changed, reduce time cost and economy
Cost；On the other hand, can suppress because of the difference of the characteristic parameters such as the internal resistance of different electrical power intermodule power, ripple amplitude and caused by
Each power module between circulation phenomenon, reduce loss, so as to realize the collaboration power supply in parallel of different type power module, improve
Compatibility, scalability and the reliability of LED power system.
It should be noted that in this manual, such as first and second or the like relational terms are used merely to one
Individual entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operate it
Between any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Cover including for nonexcludability, so that process, method, article or equipment including a series of elements not only include those
Key element, but also the other element including being not expressly set out, or also include for this process, method, article or set
Standby intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element in the process including the key element, method, article or equipment also be present.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (8)
1. a kind of highly compatible AC-battery power source structure LED centralization DC power-supply systems, it is characterised in that the system includes common M
Type, the power module of output voltage average value identical first until N power modules, Z impedances compatible modules and with institute
The LED light group of Z impedances compatible modules connection is stated, N is the integer not less than 2, and M is the positive integer no more than N；The Z impedances are simultaneous
Molar block includes the first inductance, the second inductance, the first capacitance module and the second electric capacity being respectively made up of the electric capacity of L series connection
Interface is both provided between two electric capacity of arbitrary neighborhood in module, first capacitance module and second capacitance module,
2L≥N；
The output cathode of first power module respectively with the first end of first inductance and first capacitance module
First end is connected, and the output negative pole of first power module is connected with other any interfaces on first capacitance module,
The output negative pole of the N power modules respectively with the first end of second inductance and the first end of second capacitance module
Connection, the output cathode of the N power modules are connected with other any interfaces on second capacitance module, second source
Module is until the output end of N-1 power modules is attempted by times in first capacitance module or second capacitance module
Anticipate one or more electric capacity both ends, and the output cathode and output negative pole of any two or multiple power modules will not be simultaneously
It is connected in parallel on one electric capacity of identical or multiple electric capacity both ends of first capacitance module either in second capacitance module；
Second end of first inductance and the second end of second capacitance module are connected with exporting the positive pole of busbar, and described the
The output negative pole of second end of two inductance and the second end of first capacitance module with the output busbar is connected.
2. LED centralizations DC power-supply system as claimed in claim 1, it is characterised in that N=2L.
3. LED centralizations DC power-supply system as claimed in claim 2, it is characterised in that first power module, the 3rd
Power module is until N-1 power modules correspond in parallel with L electric capacity in first capacitance module successively, institute respectively
State second source module, the 4th power module until N power modules correspond respectively successively with second capacitance module
In L electric capacity it is in parallel.
4. LED centralizations DC power-supply system as claimed in claim 1, it is characterised in that N=L.
5. LED centralizations DC power-supply system as claimed in claim 4, it is characterised in that first capacitance module and
One group two-by-two of electric capacity in second capacitance module, first power module, the 3rd power module are until N-1 power supply moulds
Block corresponds in parallel with the L group electric capacity in first capacitance module successively, the second source module, the 4th power supply respectively
Module until N power modules correspond respectively it is in parallel with the L group electric capacity in second capacitance module successively.
6. LED centralizations DC power-supply system as claimed in claim 1, it is characterised in that first power module until
The N power modules include PWM power modules.
7. LED centralizations DC power-supply system as claimed in claim 1, it is characterised in that first power module until
The N power modules include PFM power modules.
8. LED centralizations DC power-supply system as claimed in claim 1, it is characterised in that first power module until
The type of the N power modules is 3 kinds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610957330.9A CN106341928B (en) | 2016-11-02 | 2016-11-02 | A kind of highly compatible AC-battery power source structure LED centralization DC power-supply systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610957330.9A CN106341928B (en) | 2016-11-02 | 2016-11-02 | A kind of highly compatible AC-battery power source structure LED centralization DC power-supply systems |
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| Publication Number | Publication Date |
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| CN106341928A CN106341928A (en) | 2017-01-18 |
| CN106341928B true CN106341928B (en) | 2017-12-08 |
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| WO2024001657A1 (en) * | 2022-06-29 | 2024-01-04 | 桂林智神信息技术股份有限公司 | Adapter circuit and led lamp having same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102045925B (en) * | 2010-11-02 | 2013-11-27 | 华南理工大学 | LED centralized direct-current power supply system and operating method thereof |
| CN102281013B (en) * | 2011-08-25 | 2014-06-11 | 华南理工大学 | Multi-module parallel power supply device and cooperative control method thereof |
| KR101288227B1 (en) * | 2011-12-26 | 2013-07-19 | 한국과학기술원 | Power module and distributed power supplying apparatus having the same |
| CN103079306A (en) * | 2012-12-19 | 2013-05-01 | 华南理工大学 | LED (light-emitting diode) driving power supply |
| CN206164923U (en) * | 2016-11-02 | 2017-05-10 | 广东工业大学 | Centralized direct current system of high compatible hybrid power source structure LED |
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Address after: No. 253, Hengli Junma Road, Hengli Town, Dongguan, Guangdong 523460 Patentee after: Guangdong Qingzhou Photoelectric Technology Co.,Ltd. Address before: 523460 No.3, xiaotiantou 1st Road, Xinsi village, Hengli Town, Dongguan City, Guangdong Province Patentee before: LETARON ELECTRONIC CO.,LTD. |