[go: up one dir, main page]

CN105142301A - Compatible multi-circuit intelligent power supply device - Google Patents

Compatible multi-circuit intelligent power supply device Download PDF

Info

Publication number
CN105142301A
CN105142301A CN201510620559.9A CN201510620559A CN105142301A CN 105142301 A CN105142301 A CN 105142301A CN 201510620559 A CN201510620559 A CN 201510620559A CN 105142301 A CN105142301 A CN 105142301A
Authority
CN
China
Prior art keywords
circuit
transformer
power supply
compatible
diode
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.)
Pending
Application number
CN201510620559.9A
Other languages
Chinese (zh)
Inventor
骆昊
石世光
刘伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Electronic Science and Technology of China Zhongshan Institute
Original Assignee
University of Electronic Science and Technology of China Zhongshan Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by University of Electronic Science and Technology of China Zhongshan Institute filed Critical University of Electronic Science and Technology of China Zhongshan Institute
Priority to CN201510620559.9A priority Critical patent/CN105142301A/en
Publication of CN105142301A publication Critical patent/CN105142301A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

Landscapes

  • Dc-Dc Converters (AREA)

Abstract

本发明涉及电源技术领域,具体涉及一种兼容多电路智能电源装置,包括电源系统,所述电源系统包括整流电路、转换电路、控制电路和稳压电路,所述整流电路和滤波电路之间设有转换电路,所述转换电路包括变压器、阻感元件、电容、极性电容、二极管。本发明通过对电路的改进加入转换电路能够兼容输入电压为5-400VAC的电子镇流器和电感镇流器;加入转换电路后增加输入电流的导通角,校正了电源电路的输入端,使得电源在连接或是不连接电子镇流器、电感镇流器的情况下LED灯具均能稳定使用,具有很强的通用性和兼容性,同时采用非隔离方案,电源结构设计简单,效率高。

The present invention relates to the field of power supply technology, and specifically to a multi-circuit compatible intelligent power supply device, including a power supply system, wherein the power supply system includes a rectifier circuit, a conversion circuit, a control circuit and a voltage stabilizing circuit, wherein a conversion circuit is provided between the rectifier circuit and the filter circuit, wherein the conversion circuit includes a transformer, a resistive inductive element, a capacitor, a polar capacitor and a diode. The present invention can be compatible with electronic ballasts and inductive ballasts with an input voltage of 5-400VAC by adding a conversion circuit to the circuit improvement; after adding the conversion circuit, the conduction angle of the input current is increased, and the input end of the power supply circuit is corrected, so that the power supply can be stably used with LED lamps when the electronic ballast or the inductive ballast is connected or not connected, and the LED lamp has strong versatility and compatibility, and adopts a non-isolated solution, so that the power supply structure is simple in design and high in efficiency.

Description

A kind of compatible multicircuit intelligent electric power unit
Technical field
The present invention relates to power technique fields, relate to a kind of compatible multicircuit intelligent electric power unit in particular.
Technical background
Ballast is equipment fluorescent lamp playing metering function and produce instantaneous pressure, it on the iron core of silicon steel making, twines enamelled wire be made, and the coil of such ribbon core, when moment, ON/OFF powered on, self-induction will produce high pressure, be added on the electrode (filament) at the two ends of fluorescent tube.This action hockets, and when starter (jump bubble) is closed, the filament of fluorescent tube is by ballast current limliting conducting heating; When starter is opened a way, ballast self-induction will produce high pressure and be added on the two ends filament of fluorescent tube, and the phosphor powder of filament emission electronics bombardment tube wall is luminous, starter break-make several times repeatedly, action that will be repeatedly so several times, thus gets through fluorescent tube.When fluorescent tube normal luminous, internal resistance diminishes, and starter just remains open-circuit condition, and such electric current is just stable by fluorescent tube, ballast work, makes fluorescent tube normal luminous.Because ballast is when fluorescent lamp works, have electric current to pass through all the time, so easily produce vibration, and can generate heat, so there is the fluorescent lamp of ballast, particularly during ballast poor quality, very large sound can be produced, time grown, also easily burn.Ballast divides electric ballast and Inductive ballast.
Electric ballast and Inductive ballast carry out work for fluorescent tube, if because load characteristic is different when to be connected LED lamp with Inductive ballast by electric ballast, protection may appear in ballast, and power changes, and the phenomenon such as do not work.Different ballast output voltage difference is large, high reached at 400V, and low thirty or forty of only having lie prostrate, and LED power operating voltage does not on the market reach so wide, likely can burn out power supply or under-voltage protection; Because LED's is energy-conservation, long-lived, the advantage that environmental protection etc. are, traditional fluorescent lamp gradually replace by LED lamp, but when replacing conventional lamp by LED lamp, electric ballast and Inductive ballast must be taken off or disconnect electric ballast and Inductive ballast could work city's electrical connection LED lamp input, due to can not compatible ballast, bring many inconvenience, and add use cost.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of compatible multicircuit intelligent electric power unit.
For solving the problems of the technologies described above, the invention provides a kind of compatible multicircuit intelligent electric power unit, comprise power-supply system, described power-supply system comprises rectification circuit, change-over circuit, control circuit and voltage stabilizing circuit, change-over circuit is provided with between described rectification circuit and filter circuit, described change-over circuit comprises transformer, resistance sense element, electric capacity, polar capacitor, the node P1 of diode and circuit, P2, P3, P4 and P5, described transformer connects P1 and P2 respectively, resistance sense element is provided with between P1 and P3 be connected with transformer, described resistance sense element is made up of the resistance (2a) of parallel connection and inductance (2b), electric capacity is provided with between P2 and the P3 be connected with transformer, diode (5a) is provided with between described P2 and P4, polar capacitor (4a) is provided with between P3 and P4, polar capacitor (4b) is provided with between P2 and P5, diode (5c) is provided with between P3 and P5, diode (5b) is provided with between P4 and P5.
Further, described rectification circuit is made up of rectification main circuit, filter and inductance transformer, and described rectification main circuit is half-wave rectifying circuit, full-wave rectifying circuit and bridge rectifier one wherein.
Further, described transformer is low-frequency transformer, and the iron core of transformer adopts the silicon steel sheet of high permeability, and coiling group adopts Nylon, PBT or PET material to make.
Further, the built-in control chip of described control circuit, control circuit and drive circuit, described drive circuit adopts non-isolated constant current drive mode circuit.
Further, described voltage stabilizing circuit is linear voltage-stabilizing circuit or non-linear voltage stabilizing circuit.
Beneficial effect of the present invention is:
The present invention can compatible input voltage be electric ballast and the Inductive ballast of 5-400VAC by adding change-over circuit to the improvement of circuit; The angle of flow of input current is increased after adding change-over circuit, correct the input of power circuit, make power supply LED lamp when connecting or do not connect electric ballast, Inductive ballast all can stablize use, there is very strong versatility and compatibility, adopt non-isolated scheme simultaneously, power supply architecture simplicity of design, efficiency is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of multicircuit intelligent DC power supply of the preferred embodiment of the present invention.
Fig. 2 is the circuit theory diagrams of the change-over circuit of a kind of multicircuit intelligent DC power supply of the preferred embodiment of the present invention.
Wherein, 1, transformer, 2, resistance sense element, 3, electric capacity, 4, polar capacitor, 5, diode.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with embodiment also with reference to accompanying drawing, the present invention is described in more detail.Should be appreciated that, these describe just exemplary, and do not really want to limit the scope of the invention.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring concept of the present invention.
As depicted in figs. 1 and 2, a kind of multicircuit intelligent DC power supply, comprise power-supply system, described power-supply system comprises rectification circuit, change-over circuit, control circuit and voltage stabilizing circuit, change-over circuit is provided with between described rectification circuit and filter circuit, described rectification circuit is made up of rectification main circuit, filter and inductance transformer, and described rectification main circuit is half-wave rectifying circuit, full-wave rectifying circuit and bridge rectifier one wherein; Described transformer (1) is low-frequency transformer, and the iron core of transformer (1) adopts the silicon steel sheet of high permeability, and coiling group adopts Nylon, PBT or PET material to make;
Described change-over circuit comprises transformer (1), resistance sense element (2), electric capacity (3), polar capacitor (4), the node P1 of diode (5) and circuit, P2, P3, P4 and P5, described transformer connects P1 and P2 respectively, resistance sense element (2) is provided with between P1 and P3 be connected with transformer, described resistance sense element (2) is made up of the resistance (2a) of parallel connection and inductance (2b), electric capacity (3) is provided with between P2 and the P3 be connected with transformer, diode (5a) is provided with between described P2 and P4, polar capacitor (4a) is provided with between P3 and P4, polar capacitor (4b) is provided with between P2 and P5, diode (5c) is provided with between P3 and P5, diode (5b) is provided with between P4 and P5.
The built-in control chip of described control circuit, control circuit and drive circuit, the control circuit of described control chip, control circuit and drive circuit composition intelligence, be used for regulating whole power circuit, described drive circuit adopts non-isolated constant current drive mode circuit, adopt non-isolated scheme, power supply architecture simplicity of design, efficiency is high.
Described voltage stabilizing circuit is linear voltage-stabilizing circuit or non-linear voltage stabilizing circuit, gets final product linear convergent rate, also can nonlinear object.
Adopt diode, inductance and electric capacity to coordinate composition in change-over circuit, control capacittance or inductance can improve EMI and PF value to power supply, adjust this part and have impact if power supply front end connects ballast to electric current and power; This correcting power factors circuit, need to use diode and electrochemical capacitor has coordinated, by changing the circuit efficiency in storage capacitance each charging and discharging stage, the distortion of input current can be improved widely, improve the power factor of power supply, the type of diode and the EMI of the capacitance of electrochemical capacitor on power supply have larger impact simultaneously.
Described rectification circuit is provided with two-way rectification circuit totally four inputs, and described every road rectification circuit is provided with holds the piezo-resistance of connecting with AC; Electric ballast is different with Inductive ballast kind, and output can be divided into two wires and four lines, and in order to make its two kinds all compatibilities, power supply adopts two-way rectification circuit to meet the demands at rectifier circuit portion; L-1, N-1, L-2, N-2 tetra-ports are used for the ballast that connection four line exports, if connect two lines to export ballast or civil power (L-1, N-1) (L-2, N-2) can optional one group as input, be provided with piezo-resistance simultaneously and can limit instantaneous pressure.
The impact of described power circuit on different ballast is different, needs the capacitance adjusting each element can compatible Most electronic ballast and Inductive ballast.
Should be understood that, above-mentioned embodiment of the present invention only for exemplary illustration or explain principle of the present invention, and is not construed as limiting the invention.Therefore, any amendment made when without departing from the spirit and scope of the present invention, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.In addition, claims of the present invention be intended to contain fall into claims scope and border or this scope and border equivalents in whole change and modification.

Claims (5)

1. a compatible multicircuit intelligent electric power unit, comprise power-supply system, described power-supply system comprises rectification circuit, change-over circuit, control circuit and voltage stabilizing circuit, change-over circuit is provided with between described rectification circuit and filter circuit, it is characterized in that, described change-over circuit comprises transformer (1), resistance sense element (2), electric capacity (3), polar capacitor (4), the node P1 of diode (5) and circuit, P2, P3, P4 and P5, described transformer connects P1 and P2 respectively, resistance sense element (2) is provided with between P1 and P3 be connected with transformer, described resistance sense element (2) is made up of the resistance (2a) of parallel connection and inductance (2b), electric capacity (3) is provided with between P2 and the P3 be connected with transformer, diode (5a) is provided with between described P2 and P4, polar capacitor (4a) is provided with between P3 and P4, polar capacitor (4b) is provided with between P2 and P5, diode (5c) is provided with between P3 and P5, diode (5b) is provided with between P4 and P5.
2. the compatible multicircuit intelligent electric power unit of one according to claim 1, it is characterized in that: described rectification circuit is made up of rectification main circuit, filter and inductance transformer, described rectification main circuit is half-wave rectifying circuit, full-wave rectifying circuit and bridge rectifier one wherein.
3. the compatible multicircuit intelligent electric power unit of one according to claim 1, it is characterized in that: described transformer (1) is low-frequency transformer, the iron core of transformer (1) adopts the silicon steel sheet of high permeability, and coiling group adopts Nylon, PBT or PET material to make.
4. the compatible multicircuit intelligent electric power unit of one according to claim 1, is characterized in that: the built-in control chip of described control circuit, control circuit and drive circuit, and described drive circuit adopts non-isolated constant current drive mode circuit.
5. the compatible multicircuit intelligent electric power unit of one according to claim 1, is characterized in that: described voltage stabilizing circuit is linear voltage-stabilizing circuit or non-linear voltage stabilizing circuit.
CN201510620559.9A 2015-09-27 2015-09-27 Compatible multi-circuit intelligent power supply device Pending CN105142301A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510620559.9A CN105142301A (en) 2015-09-27 2015-09-27 Compatible multi-circuit intelligent power supply device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510620559.9A CN105142301A (en) 2015-09-27 2015-09-27 Compatible multi-circuit intelligent power supply device

Publications (1)

Publication Number Publication Date
CN105142301A true CN105142301A (en) 2015-12-09

Family

ID=54727461

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510620559.9A Pending CN105142301A (en) 2015-09-27 2015-09-27 Compatible multi-circuit intelligent power supply device

Country Status (1)

Country Link
CN (1) CN105142301A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109640480A (en) * 2018-12-20 2019-04-16 中川电气科技有限公司 A kind of control assembly of emergency lighting centrally connected power source
DE102023103807B4 (en) 2022-04-18 2024-07-18 Ledvance Gmbh Driver for controlling an LED light engine of an LED tube

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080061715A1 (en) * 2004-02-17 2008-03-13 Luoding Yang Electronic controller for high-power gas discharging lamp
CN202514121U (en) * 2012-03-01 2012-10-31 杭州乐图光电科技有限公司 A kind of LED driving power compatible with electronic ballast
CN204498422U (en) * 2015-03-17 2015-07-22 深圳亮科光电有限公司 The LED power of a kind of compatible electronic or Inductive ballast

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080061715A1 (en) * 2004-02-17 2008-03-13 Luoding Yang Electronic controller for high-power gas discharging lamp
CN202514121U (en) * 2012-03-01 2012-10-31 杭州乐图光电科技有限公司 A kind of LED driving power compatible with electronic ballast
CN204498422U (en) * 2015-03-17 2015-07-22 深圳亮科光电有限公司 The LED power of a kind of compatible electronic or Inductive ballast

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109640480A (en) * 2018-12-20 2019-04-16 中川电气科技有限公司 A kind of control assembly of emergency lighting centrally connected power source
CN109640480B (en) * 2018-12-20 2020-01-14 中川电气科技有限公司 Control assembly of emergency lighting centralized power supply
DE102023103807B4 (en) 2022-04-18 2024-07-18 Ledvance Gmbh Driver for controlling an LED light engine of an LED tube

Similar Documents

Publication Publication Date Title
CN102215615A (en) Driving circuit for LED (light emitting diode) lamp
CN102348319A (en) LED lamp drive power supply
CN102917511A (en) Anti-lightning type LED (Light Emitting Diode) power supply
CN201781428U (en) Inverter outputting sine waves
CN203645890U (en) LED power supply circuit capable of being compatible with traditional fluorescent lamp ballast
CN104202863A (en) LED (Light-Emitting Diode) power supply circuit compatible with conventional fluorescent lamp ballast
CN105792421A (en) A bridgeless LED drive power supply
CN108024420B (en) LED low-voltage driving circuit and LED lamp
CN106208646A (en) A kind of directly filtering type Switching Power Supply
CN102711346B (en) Electronic ballast with multiple outputs
KR101528550B1 (en) Single-Stage Power Factor Correction Flyback Converter for LED Lighting
CN103094975B (en) A kind of battery charging circuit and LED lamp
CN105142301A (en) Compatible multi-circuit intelligent power supply device
CN104968070B (en) A kind of LED drive circuit
CN103561500A (en) Output-power-adjustable LED drive circuit compatible with electronic ballast
CN202310215U (en) LED lamp driving power supply
US9131566B2 (en) Buck converter for operating at least one LED
CN207219095U (en) LED drive circuit
CN202587528U (en) Light emitting diode (LED) constant current driving power supply
CN104735837A (en) LED street lamp power supply without power frequency ripples and with APFC function
CN102665327A (en) LED Power Supply for Transformerless Lighting
TW201220665A (en) Single-phase PFC AC-DC power converter
CN206097870U (en) LED backlight driving circuit
CN211579881U (en) A Simple Negative Voltage and Boost Auxiliary Power Supply Circuit and Switching Power Supply
CN103025035B (en) Resonant Capacitor Adjusting Element and Its Applicable Current Preheating Electronic Ballast

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20151209