CN104822192A - LED energy-saving lamp lightning protection drive circuit - Google Patents
LED energy-saving lamp lightning protection drive circuit Download PDFInfo
- Publication number
- CN104822192A CN104822192A CN201510215624.XA CN201510215624A CN104822192A CN 104822192 A CN104822192 A CN 104822192A CN 201510215624 A CN201510215624 A CN 201510215624A CN 104822192 A CN104822192 A CN 104822192A
- Authority
- CN
- China
- Prior art keywords
- resistance
- saving lamp
- drive circuit
- capacitor
- led
- 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
Links
Classifications
-
- 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
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention provides an LED energy-saving lamp lightning protection drive circuit comprising a full-bridge rectifier bridge pile, a current-limiting resistor R3, a filtering capacitor C2, a filtering capacitor C3, a voltage-reducing capacitor C1, a resistor R1, a resistor R2 and a fuse. The resistor R1 is connected with the live wire of commercial power via the fuse. The resistor R2 and the voltage-reducing capacitor C1 are connected in parallel and then connected between the resistor R1 and one input end of the full-bridge rectifier bridge pile. The other input end of the full-bridge rectifier bridge pile is connected with the zero wire of commercial power, the DC output positive electrode is connected with the positive electrode of an LED load via the current-limiting resistor R3, and the DC output negative electrode is connected with the negative electrode of the LED load. The filtering capacitor C2 and the LED load are connected in parallel. The filtering capacitor C3 is connected between the DC output positive electrode and the DC output negative electrode of the full-bridge rectifier bridge pile. The fuse is additionally arranged at the position connected with the live wire of commercial power, and peak voltage can be effectively absorbed by the fuse so that burnout of the drive circuit and the LED load caused by surge can be effectively prevented; and the circuit structure is simple and cost is low.
Description
Technical field
The present invention relates to LED drive circuit technical field, particularly, relate to a kind of LED electricity-saving lamp lightning protection drive circuit.
Background technology
LED and semiconductor light-emitting-diode, the wafer that the core of light-emitting diode is made up of p-type semiconductor and n-type semiconductor, has a transition zone, is called PN junction between p-type semiconductor and n-type semiconductor.In the PN junction of some semi-conducting material, the minority carrier of injection and majority carrier compound tense can discharge unnecessary energy in the form of light, thus electric energy is directly converted to luminous energy.PN junction adds reverse voltage, and minority carrier is difficult to inject, therefore not luminous.This diode utilizing injection electroluminescence principle to make, light-emitting diode, is generally called LED.When it is in forward operating state, when electric current flows to negative electrode from LED anode, semiconductor crystal just sends the light from ultraviolet to infrared different colours, the power of light and current related.
The advantages such as LED electricity-saving lamp is with high brightness white light-emitting diode light emitting source, has that light efficiency is high, little power consumption, life-span long, easy to control, non-maintaining, safety and environmental protection, adopt without dodging direct current, are widely used in daily illumination.The luminescence of LED electricity-saving lamp is driven by its drive circuit; because drive circuit is directly connected with 220V alternating current; when thundering or when electrical network is unstable; surge in electrical network easily burns out drive circuit and LED load; although but there is surge; but surge probability of occurrence is also little, and it is lower if the Surge Protector configuring special antisurge can cause, circuit cost is higher, Surge Protector effect plays the not obvious circuit cost performance that causes.
Summary of the invention
Object of the present invention is just the shortcoming and defect overcoming above-mentioned prior art, provides a kind of LED electricity-saving lamp lightning protection drive circuit.
The present invention's adopted technical scheme that solves the problem is:
LED electricity-saving lamp lightning protection drive circuit, comprises full-bridge rectification bridge heap, current-limiting resistance R3, filter capacitor C2, filter capacitor C3, decompression capacitor C1, resistance R1, resistance R2, fuse for surge protection; Be connected between an input that resistance R1 and full-bridge rectification bridge pile after described resistance R2 is in parallel with decompression capacitor C1, another input of described full-bridge rectification bridge heap connects civil power zero line, direct current output cathode connects LED load positive pole, direct current output negative pole connection LED load negative pole by current-limiting resistance R3, and described filter capacitor C2 is in parallel with LED load; Fuse one end is connected with civil power live wire, and the other end is connected with resistance R1; Between the direct current output cathode that filter capacitor C3 is connected to full-bridge rectification bridge heap and direct current output negative pole.
Preferably, the capacitance of described filter capacitor C2 is 3.3 μ F, and the capacitance of described filter capacitor C3 is 10 μ F, and the capacitance of described decompression capacitor C1 is 334F.
Preferably, the resistance of described resistance R1 is 510 Ω, and the resistance of described resistance R2 is 1M Ω, and the resistance of described current-limiting resistance R3 is 510 Ω.
As a further improvement on the present invention, described LED load is in series by multiple LED electricity-saving lamp, and the positive pole of a rear LED electricity-saving lamp connects the negative pole of previous LED electricity-saving lamp.
Preferably, described decompression capacitor C1 and filter capacitor C2 is patch capacitor.
The invention has the beneficial effects as follows: LED driving circuit of energy-saving lamp of the present invention has installed fuse additional in the junction with civil power live wire, fuse can absorb peak voltage, effectively can prevent surge from burning out drive circuit and LED load, there is surge protection function and lightning protection function; Circuit structure of the present invention is simple, cost is low.
Accompanying drawing explanation
Fig. 1 is electrical block diagram of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing, to the detailed description further of the present invention's do, but embodiments of the present invention are not limited thereto.
As shown in Figure 1, LED electricity-saving lamp lightning protection drive circuit, comprises full-bridge rectification bridge heap BD1, current-limiting resistance R3, filter capacitor C2, filter capacitor C3, decompression capacitor C1, resistance R1, resistance R2, fuse F1; Fuse F1 is used for surge protection, and its one end is connected with civil power live wire L, and the other end is connected with one end of resistance R1; The other end and the full-bridge rectification bridge that are connected to resistance R1 after described resistance R2 is in parallel with decompression capacitor C1 are piled between an input of BD1; Another input of described full-bridge rectification bridge heap BD1 connects civil power zero line N, direct current output cathode connects LED load positive pole, direct current output negative pole connection LED load negative pole by current-limiting resistance R3; Described filter capacitor C2 is in parallel with LED load, between the direct current output cathode that filter capacitor C3 is connected to full-bridge rectification bridge heap and direct current output negative pole; The output voltage of filter capacitor C3 to full-bridge rectification bridge heap BD1 carries out filtering, filtering low-frequency noise, and filter capacitor C2 carries out secondary filtering to the input voltage of LED load, filter away high frequency noise, makes the stabilized input voltage of LED load.
LED load uses 220V mains-supplied, 220V alternating current after decompression capacitor C1 step-down through full-bridge rectification again by providing constant-current supply through current-limiting resistance R3 to LED load after filter capacitor C2 filtering.
LED driving circuit of energy-saving lamp of the present invention has installed fuse F1 additional in the junction with civil power live wire; fuse F1F has certain resistance; can peak voltage be absorbed, effectively can prevent surge from burning out drive circuit and LED load, there is surge protection function and lightning protection function.
Due in many applications, need to adopt plurality of LEDs electricity-saving lamp, therefore in the present embodiment, LED load is in series by multiple LED electricity-saving lamp, and the positive pole of a rear LED electricity-saving lamp connects the negative pole of previous LED electricity-saving lamp.Then LED electricity-saving lamp quantity and power is determined according to actual illumination demand, Production requirement etc. in practical application.
Below the preferred parameter of each device in the present embodiment:
The capacitance of the capacitance of filter capacitor C2 to be the capacitance of 3.3 μ F, filter capacitor C3 be 10, μ F decompression capacitor C1 is 334F, and the resistance of resistance R1 is 510 Ω, and the resistance of resistance R2 is 1M Ω, and the resistance of current-limiting resistance R3 is 510 Ω.Described decompression capacitor C1 and filter capacitor C2 is patch capacitor, to reduce volume shared by drive circuit.
Below be only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, should be considered as protection scope of the present invention.
Claims (5)
1.LED electricity-saving lamp lightning protection drive circuit, comprises full-bridge rectification bridge heap, current-limiting resistance R3, filter capacitor C2, decompression capacitor C1, resistance R1, resistance R2; Be connected between an input that resistance R1 and full-bridge rectification bridge pile after described resistance R2 is in parallel with decompression capacitor C1, another input of described full-bridge rectification bridge heap connects civil power zero line, direct current output cathode connects LED load positive pole, direct current output negative pole connection LED load negative pole by current-limiting resistance R3, described filter capacitor C2 is in parallel with LED load, it is characterized in that, also comprise filter capacitor C3, fuse for surge protection, this fuse one end is connected with civil power live wire, and the other end is connected with resistance R1; Between the direct current output cathode that filter capacitor C3 is connected to full-bridge rectification bridge heap and direct current output negative pole.
2. LED electricity-saving lamp lightning protection drive circuit according to claim 1, is characterized in that, the capacitance of described filter capacitor C2 is 3.3 μ F, and the capacitance of described filter capacitor C3 is 10 μ F, and the capacitance of described decompression capacitor C1 is 334F.
3. LED electricity-saving lamp lightning protection drive circuit according to claim 1, is characterized in that, the resistance of described resistance R1 is 510 Ω, and the resistance of described resistance R2 is 1M Ω, and the resistance of described current-limiting resistance R3 is 510 Ω.
4., according to the arbitrary described LED electricity-saving lamp lightning protection drive circuit of claims 1 to 3, it is characterized in that, described LED load is in series by multiple LED electricity-saving lamp, and the positive pole of a rear LED electricity-saving lamp connects the negative pole of previous LED electricity-saving lamp.
5., according to the arbitrary described LED electricity-saving lamp lightning protection drive circuit of claims 1 to 3, it is characterized in that, described decompression capacitor C1 and filter capacitor C2 is patch capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510215624.XA CN104822192A (en) | 2015-04-30 | 2015-04-30 | LED energy-saving lamp lightning protection drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510215624.XA CN104822192A (en) | 2015-04-30 | 2015-04-30 | LED energy-saving lamp lightning protection drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104822192A true CN104822192A (en) | 2015-08-05 |
Family
ID=53732324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510215624.XA Pending CN104822192A (en) | 2015-04-30 | 2015-04-30 | LED energy-saving lamp lightning protection drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104822192A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108882434A (en) * | 2018-03-20 | 2018-11-23 | 海宁市鑫诚电子有限公司 | A kind of LED bulb based on MBL driving circuit |
| US11609590B2 (en) * | 2019-02-04 | 2023-03-21 | Sentient Technology Holdings, LLC | Power supply for electric utility underground equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2348791A2 (en) * | 2010-01-22 | 2011-07-27 | Chiu-Min Lin | Led lighting device capable of changing illumination color |
| CN202005023U (en) * | 2011-01-28 | 2011-10-05 | 无锡和晶科技股份有限公司 | Mains input LED driving circuit with low power consumption |
| CN202769769U (en) * | 2012-09-21 | 2013-03-06 | 浙江帅康电气股份有限公司 | Extractor hood of improved light emitting diode (LED) lighting lamp |
-
2015
- 2015-04-30 CN CN201510215624.XA patent/CN104822192A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2348791A2 (en) * | 2010-01-22 | 2011-07-27 | Chiu-Min Lin | Led lighting device capable of changing illumination color |
| CN202005023U (en) * | 2011-01-28 | 2011-10-05 | 无锡和晶科技股份有限公司 | Mains input LED driving circuit with low power consumption |
| CN202769769U (en) * | 2012-09-21 | 2013-03-06 | 浙江帅康电气股份有限公司 | Extractor hood of improved light emitting diode (LED) lighting lamp |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108882434A (en) * | 2018-03-20 | 2018-11-23 | 海宁市鑫诚电子有限公司 | A kind of LED bulb based on MBL driving circuit |
| US11609590B2 (en) * | 2019-02-04 | 2023-03-21 | Sentient Technology Holdings, LLC | Power supply for electric utility underground equipment |
| US11947374B2 (en) | 2019-02-04 | 2024-04-02 | Sentient Technology Holdings, LLC | Power supply for electric utility underground equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9445471B2 (en) | Drive circuit for LED module | |
| CN102892238B (en) | Dimming drive circuit of AC (Alternating Current) direct drive LED module | |
| CN201499346U (en) | Lower-power LED stabilized current driving circuit | |
| CN103188845B (en) | The LED light emission device of alternating current Direct driver | |
| CN104822203A (en) | LED surge protection circuit based on voltage dependent resistors | |
| CN102098849B (en) | Light-emitting diode (LED) driving chip | |
| CN204634101U (en) | Based on the Anti-surging LED drive circuit of piezo-resistance | |
| CN104822192A (en) | LED energy-saving lamp lightning protection drive circuit | |
| CN104822193A (en) | Anti-surge LED drive circuit based on voltage-stabilizing diode | |
| CN201878375U (en) | LED (light-emitting diode) constant-voltage and constant-current driving circuit | |
| CN204634103U (en) | There is the simple and easy LED driving circuit of energy-saving lamp of surge protection function | |
| CN101086325A (en) | LED lamp bulb | |
| CN204669660U (en) | A kind of LED Drive Protecting Circuit | |
| CN204634102U (en) | Simple and practical antisurge LED protection circuit | |
| CN203632931U (en) | Protection circuit for driving LED light source COB series combination with switching power supply | |
| CN204014184U (en) | A kind of drive circuit of LED traffic lights | |
| CN203467003U (en) | Linear constant-current LED drive circuit | |
| CN102695322A (en) | Driving power supply device for high power LED | |
| CN103200729B (en) | Light emitting diode (LED) luminous device directly driven in constant current by alternating current | |
| CN103188850B (en) | The White LED light-emitting device of alternating current Direct driver | |
| CN102207255A (en) | LED lamp for replacing compact fluorescent lamp | |
| CN201919223U (en) | High-power LED lamp | |
| KR20110005559A (en) | Power supply unit with flicker prevention circuit for light emitting diode | |
| CN200950682Y (en) | Novel highly effective low cost constant-current driver for LED lighting lamp | |
| CN103052212A (en) | Over-current protection light emitting diode (LED) lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150805 |