CN202998593U - Anti-impact power supply circuit and LED lamp - Google Patents

Anti-impact power supply circuit and LED lamp Download PDF

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Publication number
CN202998593U
CN202998593U CN2012206945082U CN201220694508U CN202998593U CN 202998593 U CN202998593 U CN 202998593U CN 2012206945082 U CN2012206945082 U CN 2012206945082U CN 201220694508 U CN201220694508 U CN 201220694508U CN 202998593 U CN202998593 U CN 202998593U
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CN
China
Prior art keywords
circuit
shock resistance
diode
impact
power supply
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 - Lifetime
Application number
CN2012206945082U
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Chinese (zh)
Inventor
李艳潮
林培林
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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN2012206945082U priority Critical patent/CN202998593U/en
Priority to PCT/CN2013/071420 priority patent/WO2014089928A1/en
Application granted granted Critical
Publication of CN202998593U publication Critical patent/CN202998593U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • H02H9/043—Protection of over-voltage protection device by short-circuiting
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • H02H9/044—Physical layout, materials not provided for elsewhere
    • 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
    • H05B45/36—Circuits for reducing or suppressing harmonics, ripples or electromagnetic interferences [EMI]
    • 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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • 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]

Abstract

The utility model discloses an anti-impact power supply circuit and an LED lamp. The anti-impact power supply circuit comprises an input end and an output end and comprises a filter circuit, a rectifier circuit, an anti-impact circuit and a voltage transformation circuit, wherein the filter circuit, the rectifier circuit, the anti-impact circuit and the voltage transformation circuit are sequentially connected between the input end and the output end, the anti-impact circuit includes a diode-resistor parallel circuit arranged between power lines and an absorption capacitor connected in series with the diode-resistor parallel circuit, and the diode-resistor parallel circuit includes a diode and a resistor connected in parallel with the diode. According to the utility model, due to the additional arrangement of the anti-impact circuit, the anti-impact power supply circuit can resist surge voltage generated due to factors such as lightning and can resist 800-1500V lightning, and the voltage output by the anti-impact power supply circuit can be more stable. The anti-impact power supply circuit is particularly suitable for lighting circuits without a lightning protection circuit, such as outdoor street lamp systems and the like.

Description

A kind of shock resistance type power circuit and LED lamp
Technical field
The utility model relates to a kind of power circuit, more particularly refers to a kind of shock resistance type power circuit and LED lamp.
Background technology
In prior art, the LED luminescence technology has begun to be widely used in illuminating industry.Wherein, most is arranged is the LED light fixture that directly is connected with civil power 220V electrical network, in the routine use process, is to be easy to be struck by lightning or other reason due to the 220V electrical network, causes that a large amount of voltage of surging is arranged in electrical network.And LED lamp of the prior art in its power circuit design process, lacks the circuit of the voltage of surging of the generation such as the reason of resisting thunderbolt.
Therefore, be necessary to develop a kind of shock resistance type power circuit, to be used for the circuit of LED light fixture.
The utility model content
The purpose of this utility model is to overcome the defective of prior art, and a kind of shock resistance type power circuit and LED lamp are provided.
For achieving the above object, the utility model is by the following technical solutions:
A kind of shock resistance type power circuit comprises input and output, also comprises filter circuit, rectification circuit, shock resistance circuit and the transforming circuit be located at successively between input and output; Described shock resistance circuit comprises the diode resistance parallel circuits of being located between power line, and the Absorption Capacitance of connecting with the diode resistance parallel circuits; Described diode resistance parallel circuits comprises that diode reaches and the resistance of diodes in parallel.
Its further technical scheme is: described transforming circuit is isolated transforming circuit.
Its further technical scheme is: described filter circuit comprises filter and the filter capacitor in parallel with filter.
Its further technical scheme is: described rectification circuit comprises bridge circuit and the commutation capacitor in parallel with bridge circuit.
Its further technical scheme is: described input is the 220V alternating current.
A kind of LED lamp comprises lamp housing, it is characterized in that the interior also aforesaid shock resistance type power circuit of lamp housing, and the LED lamp pearl that is connected with shock resistance type power circuit.
The utility model beneficial effect compared with prior art is: the utility model power circuit is owing to having increased shock resistance circuit, make it can resist the voltage of surging of the reason generations such as thunderbolt, can resist the thunderbolt of 800V-1500V, and the voltage of its output is stablized more.Be particularly suitable in the lighting circuit without lightning protection circuit, such as road lamp system of open air etc.
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Description of drawings
Fig. 1 is the circuit block diagram of a kind of shock resistance type of the utility model power circuit specific embodiment;
Fig. 2 is the circuit theory diagrams of a kind of shock resistance type of the utility model power circuit specific embodiment;
Fig. 3 is the structural representation of the utility model LED luminaire body embodiment.
Description of drawings
10 input 20 outputs
30 filter circuit 40 rectification circuits
50 shock resistance circuit 60 transforming circuits
80 lamp housing 90 LED lamp pearls
S shock resistance type power circuit
Embodiment
In order to more fully understand technology contents of the present utility model, below in conjunction with specific embodiment, the technical solution of the utility model is further introduced and explanation, but be not limited to this.
As depicted in figs. 1 and 2, a kind of shock resistance type of the utility model power circuit comprises input 10 and output 20, also comprises filter circuit 30, rectification circuit 40, shock resistance circuit 50 and the transforming circuit 60 be located at successively between input 10 and output 20; Shock resistance circuit 50 comprises the diode resistance parallel circuits of being located between power line, and the Absorption Capacitance of connecting with the diode resistance parallel circuits; The diode resistance parallel circuits comprises that diode reaches and the resistance of diodes in parallel.
Wherein, transforming circuit 60 is isolated transforming circuit, has namely adopted the transformation coil to carry out circuit and has separated, and can further reach anti-lightning strike purpose, and the impact of voltage to LED lamp pearl prevents from surging.Filter circuit 30 comprises filter and the filter capacitor in parallel with filter.Rectification circuit 40 comprises bridge circuit and the commutation capacitor in parallel with bridge circuit.Input 10 is the 220V alternating current.
As shown in Figure 3, a kind of LED lamp of the utility model comprises lamp housing 80, also comprises shock resistance type power circuit S in lamp housing 80, and the LED lamp pearl 90 that is connected with shock resistance type power circuit S.Wherein, lamp housing 80 can be set according to the concrete needs of LED lamp.Such as, square, circle or dish type etc.This power supply architecture goes for all LED fluorescent tubes.
In sum, the utility model power circuit makes it can resist the voltage of surging of the reason generations such as thunderbolt owing to having increased shock resistance circuit, can resist the thunderbolt of 800V-1500V, and the voltage of its output is stablized more.Be particularly suitable in the lighting circuit without lightning protection circuit, such as road lamp system of open air etc.
Above-mentionedly only further illustrate technology contents of the present utility model with embodiment; so that the reader is more readily understood; but do not represent that execution mode of the present utility model only limits to this, any technology of doing according to the utility model is extended or recreation, all is subjected to protection of the present utility model.Protection range of the present utility model is as the criterion with claims.

Claims (6)

1. a shock resistance type power circuit, comprise input and output, characterized by further comprising filter circuit, rectification circuit, shock resistance circuit and the transforming circuit be located at successively between input and output; Described shock resistance circuit comprises the diode resistance parallel circuits of being located between power line, and the Absorption Capacitance of connecting with the diode resistance parallel circuits; Described diode resistance parallel circuits comprises that diode reaches and the resistance of diodes in parallel.
2. a kind of shock resistance type power circuit according to claim 1, is characterized in that described transforming circuit is isolated transforming circuit.
3. a kind of shock resistance type power circuit according to claim 1, is characterized in that described filter circuit comprises filter and the filter capacitor in parallel with filter.
4. a kind of shock resistance type power circuit according to claim 1, is characterized in that described rectification circuit comprises bridge circuit and the commutation capacitor in parallel with bridge circuit.
5. a kind of shock resistance type power circuit according to claim 1, is characterized in that described input is the 220V alternating current.
6. a LED lamp, comprise lamp housing, it is characterized in that also comprising in lamp housing the described shock resistance type of claim 1 to 5 any one power circuit, and the LED lamp pearl that is connected with shock resistance type power circuit.
CN2012206945082U 2012-12-14 2012-12-14 Anti-impact power supply circuit and LED lamp Expired - Lifetime CN202998593U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2012206945082U CN202998593U (en) 2012-12-14 2012-12-14 Anti-impact power supply circuit and LED lamp
PCT/CN2013/071420 WO2014089928A1 (en) 2012-12-14 2013-02-06 Anti-surge power supply circuit and led lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012206945082U CN202998593U (en) 2012-12-14 2012-12-14 Anti-impact power supply circuit and LED lamp

Publications (1)

Publication Number Publication Date
CN202998593U true CN202998593U (en) 2013-06-12

Family

ID=48569715

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012206945082U Expired - Lifetime CN202998593U (en) 2012-12-14 2012-12-14 Anti-impact power supply circuit and LED lamp

Country Status (2)

Country Link
CN (1) CN202998593U (en)
WO (1) WO2014089928A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015149210A1 (en) * 2014-03-31 2015-10-08 东莞高仪电子科技有限公司 Led lamp panel, high-voltage pulse protection circuit of led lamp panel and led lamp

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008289207A (en) * 2007-05-15 2008-11-27 Meidensha Corp Surge voltage suppressing circuit of flyback converter
CN201318651Y (en) * 2008-10-15 2009-09-30 刘东芳 Led street lamp circuit
JP5462492B2 (en) * 2009-01-30 2014-04-02 パナソニック株式会社 LED power supply circuit and lighting apparatus using the same
CN201606717U (en) * 2010-02-10 2010-10-13 辽宁宝林集团节能科技有限公司 LED lamp tube
US20120081004A1 (en) * 2010-09-30 2012-04-05 Wilmoth Thomas E Light emitting diode system
CN102594112A (en) * 2012-03-01 2012-07-18 杭州乐图光电科技有限公司 Anti-lightning surge circuit of switching power supply and switching power supply using same
CN202455254U (en) * 2012-03-01 2012-09-26 杭州乐图光电科技有限公司 Switching power supply and lightning surge protection circuit applied same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015149210A1 (en) * 2014-03-31 2015-10-08 东莞高仪电子科技有限公司 Led lamp panel, high-voltage pulse protection circuit of led lamp panel and led lamp

Also Published As

Publication number Publication date
WO2014089928A1 (en) 2014-06-19

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GR01 Patent grant
CX01 Expiry of patent term

Granted publication date: 20130612

CX01 Expiry of patent term