CN202050237U - LED (light-emitting diode) lamp power lightning protection device - Google Patents
LED (light-emitting diode) lamp power lightning protection device Download PDFInfo
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- CN202050237U CN202050237U CN2011201346988U CN201120134698U CN202050237U CN 202050237 U CN202050237 U CN 202050237U CN 2011201346988 U CN2011201346988 U CN 2011201346988U CN 201120134698 U CN201120134698 U CN 201120134698U CN 202050237 U CN202050237 U CN 202050237U
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Abstract
The utility model relates to an LED (light-emitting diode) lamp power lightning protection device which comprises a shielding transfer device and a third-level discharge tube. The two input ends of the shielding transfer device are respectively connected with an inductance coil L1, an inductance coil L3, an inductance coil L5, an inductance coil L2, an inductance coil L4 and an inductance coil L6 in series; the two ends of the inductance coil L1 and the inductance coil L2 are connected in parallel with a resistor R1, the third-level discharge tube and a resistor R2 which are connected in series; one end of the third-level discharge tube is grounded; the two ends of the inductance coil L3 and the inductance coil L4 are connected in parallel with a first voltage dependent resistor and a second voltage dependent resistor which are connected in series; the two ends of the inductance coil L5 and the inductance coil L6 are connected in parallel with a first TVS (Transient Voltage Suppressor) and a second TVS (Transient Voltage Suppressor) which are connected in series; and the two input ends of the shielding transfer device are connected with a third TVS (Transient Voltage Suppressor) in parallel. The LED (light-emitting diode) lamp power lightning protection device has the beneficial effects that: when the surge module of the LED lamp is well provided with power, the damages on LED lamps caused by lightning electromagnetic pulse interference current (voltage) can be effectively prevented; and the safety and reliability of the LED lamps can be guaranteed.
Description
Technical field
The utility model relates to a kind of LED lamp power lightning protection device.
Background technology
The anti-lightning strike electromagnetic pulse surge of domestic market LED lamp power module measure at present is to import end line (Line to Ground) over the ground at power module AC220V, line is to zero (Line to Neutral), zero installs transient state device (discharge tube over the ground between (Neutral to Ground), piezo-resistance, Transient Suppression Diode etc.), because the designing requirement of LED lamp power modular circuit is tighter, these transient state device power can not be selected excessive, generally all be struck by lightning voltage about 4kV in tolerance, the tolerance thunder-strike current is about 2kA, and responsiveness is (generally slow 50-100ns).But according to British Standard " the practical standard of building lightning protection " the 4.2nd of BS6651:1999 " 99% lightning current surpasses 3kA, and 90% lightning current surpasses 8kA ".Obviously general LED lamp power module just might be damaged when lightning current surpasses 3kA, as long as in other words existing LED lamp power module suffers the interference of LEMP, just might damage under 99% the situation.
The utility model content
The purpose of this utility model provides a kind of LED lamp power lightning protection device, overcomes the deficiency of above-mentioned aspect in the existing product.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of LED lamp power lightning protection device, comprise shielding translator (STD) and three grades of discharge tubes, the two inputs inductance coil L1 that is connected in series respectively of shielding translator (STD), L3, L5 and L2, L4, L6, wherein, inductance coil L1, the two ends of L2 and the resistance R that is connected in series 1, three grades of discharge tubes (GDT) and resistance R 2 are connected in parallel, one end ground connection of three grades of discharge tubes (GDT), inductance coil L3, the two ends of L4 are connected in parallel with first piezo-resistance and second piezo-resistance that are connected in series, inductance coil L5, the two ends of L6 are connected in parallel with the first transient state suppressing diode (TVS) and the second transient state suppressing diode (TVS) that are connected in series, described shielding translator two inputs the 3rd transient state suppressing diode (TVS) that is connected in parallel, the 3rd transient state suppressing diode (TVS) is connected in parallel with the resistance R 3 and the LED light-emitting diode that are connected in series; The output of described shielding translator connects capacitor C 2 by circuit protection device, and another output of shielding translator connects an end of capacitor C 1, the other end ground connection of capacitor C 1.
Described shielding translator comprises electromagnetic conversion unit, induction coil assembly, thunderbolt electromagnetic shielding unit, capacitance partial pressure unit, magnetoelectricity converting unit, insulation isolated location and the power frequency short-circuit protection unit that connects in turn.
The beneficial effects of the utility model are: when the good power supply of LED light fixture surge module is provided, can prevent the infringement of LEMP disturbance current (pressure) effectively to the LED light fixture, guarantee the security reliability of LED light fixture, increased the efficient and the useful life of LED lamp power module.
Description of drawings
With reference to the accompanying drawings the utility model is described in further detail below.
Fig. 1 is the described LED lamp power of the utility model embodiment lightning protection device circuit theory diagrams;
Fig. 2 is the structured flowchart of the shielding translator of the described LED lamp power of the utility model embodiment lightning protection device.
Among the figure:
1, shielding translator; 11, electromagnetic conversion unit; 12, induction coil assembly; 13, thunderbolt electromagnetic shielding unit; 14, capacitance partial pressure unit; 15, magnetoelectricity converting unit; 16, insulation isolated location; 17, power frequency short-circuit protection unit; 2, three grades of discharge tubes; 3, first piezo-resistance; 4, second piezo-resistance; 5, the first transient state suppressing diode; 6, the second transient state suppressing diode; 7, the 3rd transient state suppressing diode; 8, circuit protection device; 9, LED light-emitting diode.
Embodiment
Shown in Fig. 1-2, the described a kind of LED lamp power lightning protection device of the utility model embodiment, comprise shielding translator (STD) 1 and three grade of discharge tube (GDT) 2, shielding translator (STD) 1 the two inputs inductance coil L1 that is connected in series respectively, L3, L5 and L2, L4, L6, wherein, inductance coil L1, the two ends of L2 and the resistance R that is connected in series 1, three grades of discharge tube (GDT) 2 and resistance R 2 are connected in parallel, one end ground connection of three grades of discharge tubes (GDT) 2, inductance coil L3, the two ends of L4 are connected in parallel with first piezo-resistance 3 and second piezo-resistance 4 that are connected in series, inductance coil L5, the two ends of L6 are connected in parallel with the first transient state suppressing diode (TVS) 5 and the second transient state suppressing diode (TVS) 6 that are connected in series, 1 liang of input of described shielding translator the 3rd transient state suppressing diode (TVS) 7, the three transient state suppressing diodes (TVS) 7 that are connected in parallel are connected in parallel with the resistance R 3 and the LED light-emitting diode 9 that are connected in series; The output of described shielding translator 1 connects capacitor C 2 by circuit protection device 8, and another output of shielding translator 1 connects an end of capacitor C 1, the other end ground connection of capacitor C 1.
L1, L2---inductance coil, the effect of restriction high frequency lightning current;
L3, L4, L5, L6---inductance coil plays the time-lag action to the high frequency lightning current;
GDT---three grades of discharge tubes, the instantaneous thunder amplification current effect of releasing;
R1, R2---resistance, the dividing potential drop effect prevents three grades of discharge tubes behind the lightning current of releasing, and produces power frequency continued flow;
MOV1, MOV2---piezo-resistance, the effect of restriction lightning current hazardous voltages amplitude;
TVS1, TVS2---transient state suppressing diode improves the thunder resisting equipment response speed, further limits the effect of lightning current hazardous voltages amplitude;
TVS3---high-power transient state suppressing diode, restriction or elimination lightning current produce the differential mode hazardous voltages;
R3-resistance, the dividing potential drop effect;
LED-Light-Emitting Diode, the display lamp effect;
STD---shielding translator is eliminated the remaining hazardous voltages that lightning current shifts by the components and parts distributed capacitance;
F-insurance avoids terminal equipment failure to cause the power frequency short circuit, the burning apparatus chip;
C1-filtering lightning current high fdrequency component causes harmonic effect;
The be added to harmonic effect of power-frequency voltage of C2-filter capacitor, filtering lightning current high fdrequency component.
Described shielding translator 1 comprises electromagnetic conversion unit 11, induction coil assembly 12, thunderbolt electromagnetic shielding unit 13, capacitance partial pressure unit 14, magnetoelectricity converting unit 15, insulation isolated location 16 and the power frequency short-circuit protection unit 17 that connects in turn.
Electromagnetic conversion unit: the alternating electric field that input current is produced converts alternating magnetic field to;
Induction coil assembly: by closed magnetic field, induced electromotive force;
Thunderbolt electromagnetic shielding unit:, divide and walk to endanger thunder disaster magnetic field by the high magnetic conduction shielding material in inside;
Capacitance partial pressure unit:, reduce the output hazardous voltages, and the harm electric current of the above wave band of lightning current high frequency is carried out filtering by changing input, output distributed capacitance;
Magnetoelectricity converting unit: the useful signal component is come out;
Insulation isolated location: avoid input, outlet line attack directly to connect, by casing distributed capacitance or the stray inductance hazardous voltages that is coupled once more;
Power frequency short-circuit protection unit: prevent that terminal equipment from damaging, and causes internal circuit impaired.
The device that the utility model provides can resist 40kV(1.2/50 μ s test waveform) LEMP interference voltage and 20kA(8/20 μ s test waveform) the LEMP disturbance current, responsiveness is in 5ns, its anti-LEMP disturbance current (pressure) is compared with existing LDE lamp power module lightning protection device and has been improved 10 times, and responsiveness improves 10-20 times.The most important thing is that inside has increased screening arrangement, go back maskable and shift or oppositely offset supply harmonic interference voltage and other high frequency frequency interference signal, can increase the efficient and the useful life of LED lamp power module.When other disturbance current (pressure) such as LEMP or supply harmonic was arranged when LED lamp power cable, the utility model moment (in 5ns) was released disturbance current (pressure) or is offset, and reached protection LEMP disturbance current (pressure) purpose.
Claims (2)
1. LED lamp power lightning protection device, comprise shielding translator (1) and three grades of discharge tubes (2), it is characterized in that: the two inputs inductance coil L1 that is connected in series respectively of shielding translator (1), L3, L5 and L2, L4, L6, wherein, inductance coil L1, the two ends of L2 and the resistance R that is connected in series 1, three grades of discharge tubes (2) and resistance R 2 are connected in parallel, one end ground connection of three grades of discharge tubes (2), inductance coil L3, the two ends of L4 are connected in parallel with first piezo-resistance (3) and second piezo-resistance (4) that are connected in series, inductance coil L5, the two ends of L6 are connected in parallel with the first transient state suppressing diode (5) and the second transient state suppressing diode (6) that are connected in series, described shielding translator (1) two input the 3rd transient state suppressing diode (7) that is connected in parallel, the 3rd transient state suppressing diode (7) is connected in parallel with the resistance R 3 and the LED light-emitting diode (9) that are connected in series; The output of described shielding translator (1) connects capacitor C 2 by circuit protection device (8), and another output of shielding translator (1) connects an end of capacitor C 1, the other end ground connection of capacitor C 1.
2. LED lamp power lightning protection device according to claim 1 is characterized in that: described shielding translator (1) comprises electromagnetic conversion unit (11), induction coil assembly (12), thunderbolt electromagnetic shielding unit (13), capacitance partial pressure unit (14), magnetoelectricity converting unit (15), insulation isolated location (16) and the power frequency short-circuit protection unit (17) that connects in turn.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201346988U CN202050237U (en) | 2011-04-29 | 2011-04-29 | LED (light-emitting diode) lamp power lightning protection device |
| PCT/CN2012/074937 WO2012146212A1 (en) | 2011-04-29 | 2012-04-28 | Dedicated lightning protection device for led lamp power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201346988U CN202050237U (en) | 2011-04-29 | 2011-04-29 | LED (light-emitting diode) lamp power lightning protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202050237U true CN202050237U (en) | 2011-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201346988U Expired - Fee Related CN202050237U (en) | 2011-04-29 | 2011-04-29 | LED (light-emitting diode) lamp power lightning protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202050237U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012146212A1 (en) * | 2011-04-29 | 2012-11-01 | 北京瀛寰飞龙科技有限公司 | Dedicated lightning protection device for led lamp power supply |
| CN103687209A (en) * | 2013-11-29 | 2014-03-26 | 浙江中赛科技有限公司 | Alternating-current drive circuit of LED streetlight |
| CN105580498A (en) * | 2013-11-04 | 2016-05-11 | 飞利浦照明控股有限公司 | Surge-protection arrangement |
| CN106655138A (en) * | 2016-12-30 | 2017-05-10 | 广东百圳君耀电子有限公司 | Surge protection circuit |
| CN110291692A (en) * | 2016-10-05 | 2019-09-27 | Iad信息自动化及数据处理有限公司 | With the operation equipment for preventing the staggeredly protection circuit of overvoltage and overcurrent and the antenna for driving intelligent lamp and electric lighting |
-
2011
- 2011-04-29 CN CN2011201346988U patent/CN202050237U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012146212A1 (en) * | 2011-04-29 | 2012-11-01 | 北京瀛寰飞龙科技有限公司 | Dedicated lightning protection device for led lamp power supply |
| CN105580498A (en) * | 2013-11-04 | 2016-05-11 | 飞利浦照明控股有限公司 | Surge-protection arrangement |
| US9516720B2 (en) | 2013-11-04 | 2016-12-06 | Koninklijke Philips N.V. | Surge-protection arrangement |
| CN105580498B (en) * | 2013-11-04 | 2018-04-27 | 飞利浦照明控股有限公司 | surge protection device |
| CN103687209A (en) * | 2013-11-29 | 2014-03-26 | 浙江中赛科技有限公司 | Alternating-current drive circuit of LED streetlight |
| CN110291692A (en) * | 2016-10-05 | 2019-09-27 | Iad信息自动化及数据处理有限公司 | With the operation equipment for preventing the staggeredly protection circuit of overvoltage and overcurrent and the antenna for driving intelligent lamp and electric lighting |
| CN110291692B (en) * | 2016-10-05 | 2022-05-24 | Iad信息自动化及数据处理有限公司 | Operating device and lighting device |
| CN106655138A (en) * | 2016-12-30 | 2017-05-10 | 广东百圳君耀电子有限公司 | Surge protection circuit |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111123 Termination date: 20150429 |
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| EXPY | Termination of patent right or utility model |