CN205179427U - High -power LED lamp starting protection circuit - Google Patents
High -power LED lamp starting protection circuit Download PDFInfo
- Publication number
- CN205179427U CN205179427U CN201521057617.3U CN201521057617U CN205179427U CN 205179427 U CN205179427 U CN 205179427U CN 201521057617 U CN201521057617 U CN 201521057617U CN 205179427 U CN205179427 U CN 205179427U
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- CN
- China
- Prior art keywords
- diode
- transformer
- led lamp
- relay
- winding
- 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.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a high -power LED lamp starting protection circuit, including switch S1, diode D3, transformer W1 and rectifier bridge T, diode D2's positive pole, the winding N3 that transient voltage restraines diode DW and transformer W2 are connected to switch S1's one end, and 220V alternating current, diode D3's negative pole connecting resistance R1 and relay J's contact J -1 are connected to switch S1's the other end. The utility model discloses high -power LED lamp starting protection circuit has realized the purpose to high -power LED lamp starting protection through increase delay circuit and current -limiting resistor in the circuit, the impact damage that causes lamps and lanterns of the effectual starting stage that prevents to switch on to set up the undulant inhibiting module of commercial power in the circuit, increased the stability of LED lamp, consequently had simple structure, stable performance and long service life's advantage.
Description
Technical field
The utility model relates to field of LED illumination, specifically a kind of high-powered LED lamp starting protection circuit.
Background technology
Along with developing rapidly of LED.The conventional light source that present white LED light source is compared has that the life-span is long, solid state lighting is not fragile, specular removal, without advantages such as mercury environmental protection, antidetonations, followingly will become third generation light source, will bring another revolution of lighting field.Especially high-powered LED lamp, high-powered LED lamp can produce larger heat in use, thus makes On current when its complete conducting and just energising different, therefore easily damages because of rush of current at the energising initial stage, reduces its useful life.
Summary of the invention
The purpose of this utility model is the high-powered LED lamp starting protection circuit providing a kind of structure simple, easy to use, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of high-powered LED lamp starting protection circuit, comprise switch S 1, diode D3, transformer W1 and rectifier bridge T, one end of described switch S 1 connects the anode of diode D2, the winding N3 of transient voltage suppressor diode DW and transformer W2, the other end of switch S 1 connects 220V alternating current, the negative electrode contact resistance R1 of diode D3 and the contact J-1 of relay J, the winding N1 of other end connection transformer W1 of resistance R1 and the other end of the contact J-1 of relay J, the two ends of the winding N2 of transformer W1 connect the two ends of LED group H respectively, the other end of the winding N1 of transformer W1 connects the other end of transient voltage suppressor diode DW, the other end of the winding N3 of transformer W2 and the other end of 220V alternating current, the two ends of the winding N4 of transformer W2 connect the port one of rectifier bridge T and the port 3 of rectifier bridge T respectively, the port 2 of rectifier bridge T connects electric capacity C1, the negative electrode of diode D2, relay J, a stiff end of potentiometer RP1 and the sliding end of potentiometer RP1, the other end contact resistance R2 of electric capacity C1, electric capacity C1, the port 4 of rectifier bridge T and the control pole of unidirectional thyristor Q1, the other end of another stiff end contact resistance R2 of potentiometer RP1, the other end of electric capacity C2 and the negative electrode of diode D1, the anode of diode D1 connects the control pole of unidirectional thyristor Q1, the anode of unidirectional thyristor Q1 connects the anode of diode D2 and the other end of relay J.
As preferred version of the present utility model: described relay J is normally opened contact relay.
Compared with prior art; the beneficial effects of the utility model are: the utility model high-powered LED lamp starting protection circuit is by increase delay circuit and current-limiting resistance achieve the object to high-powered LED lamp starting protection in circuit; effectively prevent the impact failure that the energising starting stage causes light fixture; and be provided with city's electro-mechanical wave suppression module in circuit; add the stability of LED, therefore have that structure is simple, the advantage of stable performance and long service life.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of high-powered LED lamp starting protection circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, a kind of high-powered LED lamp starting protection circuit, comprise switch S 1, diode D3, transformer W1 and rectifier bridge T, one end of described switch S 1 connects the anode of diode D2, the winding N3 of transient voltage suppressor diode DW and transformer W2, the other end of switch S 1 connects 220V alternating current, the negative electrode contact resistance R1 of diode D3 and the contact J-1 of relay J, the winding N1 of other end connection transformer W1 of resistance R1 and the other end of the contact J-1 of relay J, the two ends of the winding N2 of transformer W1 connect the two ends of LED group H respectively, the other end of the winding N1 of transformer W1 connects the other end of transient voltage suppressor diode DW, the other end of the winding N3 of transformer W2 and the other end of 220V alternating current, the two ends of the winding N4 of transformer W2 connect the port one of rectifier bridge T and the port 3 of rectifier bridge T respectively, the port 2 of rectifier bridge T connects electric capacity C1, the negative electrode of diode D2, relay J, a stiff end of potentiometer RP1 and the sliding end of potentiometer RP1, the other end contact resistance R2 of electric capacity C1, electric capacity C1, the port 4 of rectifier bridge T and the control pole of unidirectional thyristor Q1, the other end of another stiff end contact resistance R2 of potentiometer RP1, the other end of electric capacity C2 and the negative electrode of diode D1, the anode of diode D1 connects the control pole of unidirectional thyristor Q1, the anode of unidirectional thyristor Q1 connects the anode of diode D2 and the other end of relay J.
Relay J is normally opened contact relay.
Operation principle of the present utility model is: the potentiometer RP1 in circuit, electric capacity C2 and resistance R2 form delay control circuit, unidirectional thyristor Q1 and relay J composition switching circuit, after energising, closed electrical source switch S1, because the voltage at two ends, electric capacity C2 two ends can not suddenly change, therefore circuit enters time delay, relay J not conducting, due to the metering function of resistance R1, thus inhibit the impulse current flowing through LED group H, along with filament heating.Filament resistance reaches hot stationary value.Delay time is to controlled silicon conducting, and relay J adhesive, by current-limiting resistance R1 short circuit.LED two ends add that rated voltage makes LED normal luminous, and regulator potentiometer RP1 can change the time of delay protection according to the LED lamp of different model.
Claims (2)
1. a high-powered LED lamp starting protection circuit, comprise switch S 1, diode D3, transformer W1 and rectifier bridge T, it is characterized in that, one end of described switch S 1 connects the anode of diode D2, the winding N3 of transient voltage suppressor diode DW and transformer W2, the other end of switch S 1 connects 220V alternating current, the negative electrode contact resistance R1 of diode D3 and the contact J-1 of relay J, the winding N1 of other end connection transformer W1 of resistance R1 and the other end of the contact J-1 of relay J, the two ends of the winding N2 of transformer W1 connect the two ends of LED group H respectively, the other end of the winding N1 of transformer W1 connects the other end of transient voltage suppressor diode DW, the other end of the winding N3 of transformer W2 and the other end of 220V alternating current, the two ends of the winding N4 of transformer W2 connect the port one of rectifier bridge T and the port 3 of rectifier bridge T respectively, the port 2 of rectifier bridge T connects electric capacity C1, the negative electrode of diode D2, relay J, a stiff end of potentiometer RP1 and the sliding end of potentiometer RP1, the other end contact resistance R2 of electric capacity C1, electric capacity C1, the port 4 of rectifier bridge T and the control pole of unidirectional thyristor Q1, the other end of another stiff end contact resistance R2 of potentiometer RP1, the other end of electric capacity C2 and the negative electrode of diode D1, the anode of diode D1 connects the control pole of unidirectional thyristor Q1, the anode of unidirectional thyristor Q1 connects the anode of diode D2 and the other end of relay J.
2. a kind of high-powered LED lamp starting protection circuit according to claim 1, it is characterized in that, described relay J is normally opened contact relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521057617.3U CN205179427U (en) | 2015-12-18 | 2015-12-18 | High -power LED lamp starting protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521057617.3U CN205179427U (en) | 2015-12-18 | 2015-12-18 | High -power LED lamp starting protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205179427U true CN205179427U (en) | 2016-04-20 |
Family
ID=55743352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521057617.3U Expired - Fee Related CN205179427U (en) | 2015-12-18 | 2015-12-18 | High -power LED lamp starting protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205179427U (en) |
-
2015
- 2015-12-18 CN CN201521057617.3U patent/CN205179427U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Minggui Inventor before: Zhang Jiaqiang |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170810 Address after: 528415 Guangdong Province, Zhongshan City Xiaolan Town Luxi No. 10 Guangfeng Road, two floor Patentee after: Zhongshan Beidou Lighting Electrical Appliance Co., Ltd. Address before: 524001 Guangdong City, Xiashan province people's Road South, No. 53, International Trade Building or Cetra Building, block B, building 14, room, one of the 3 B01 Patentee before: Zhang Jiaqiang |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20181218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |