CN201636674U - Lightning protection led street lamp - Google Patents
Lightning protection led street lamp Download PDFInfo
- Publication number
- CN201636674U CN201636674U CN2009203042119U CN200920304211U CN201636674U CN 201636674 U CN201636674 U CN 201636674U CN 2009203042119 U CN2009203042119 U CN 2009203042119U CN 200920304211 U CN200920304211 U CN 200920304211U CN 201636674 U CN201636674 U CN 201636674U
- Authority
- CN
- China
- Prior art keywords
- street lamp
- led street
- zinc oxide
- sensitive element
- lightning
- 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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- 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
-
- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection
- H05B47/24—Circuit arrangements for protecting against overvoltage
-
- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection
- H05B47/28—Circuit arrangements for protecting against abnormal temperature
-
- 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]
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model relates to a lightning protection LED street lamp, which comprises a power circuit, and is characterized in that zinc oxide voltage sensitive elements, a voltage sensitive series circuit composed of a pair of zinc oxide voltage sensitive elements, transient voltage suppression bilateral diodes, a transient voltage suppression circuit composed of a pair of transient voltage suppression bilateral diodes and filter inductors which are respectively connected in series with a live line and a null line are arranged between the live line and the null line in the power circuit; series connection contacts of the zinc oxide voltage sensitive elements are connected in series with gas discharge tubes and grounded; and contacts of the pair of transient voltage suppression bilateral diodes are grounded. Lamp poles of each LED street lamp of the power circuit are simultaneously grounded to prevent lightning-protection from being affected due to potential difference between neighboring street lamps. The lightning protection LED street lamp can be guaranteed to run safely, and furthest mitigate loss and damage to the LED street lamp caused by lightning stroke current or voltage.
Description
Technical field
The utility model relates to a kind of lightning protection LED street lamp.
Background technology
Efficiently, safety, reliably be the basic demand of LED street lamp work operation.Yet the possibility that the LED street lamp is subjected to be struck by lightning is bigger, as not taking lightning protection measures, easily causes LED street lamp cisco unity malfunction, even damages or burn the LED street lamp, thereby brings economic loss.National in recent years mounted LEDs street lamp has quite a few this class problem all to occur.
Thunder-strike current is except passing through power cable, cause outside the directtissima for the LED street lamp device, can also cause consequential injury to the LED road lamp system by the indirect lightning strike electric current, for example thunder-strike current is when the lightning-arrest lead-in wire along the high voltage source iron tower at LED street lamp place and power distribution cabinet flows to ground, around lightning-arrest lead-in wire, can produce powerful electromagnetic field, if the LED street lamp is from lightning-arrest lead-in wire close together, LED road lamp system itself will automatically produce powerful lightning induction electric current so, and these heavy currents can be damaged it easily; In addition, when thunder-strike current is dumped earthward by lightning-arrest lead-in wire, can produce very high earth mat current potential, these high potentials may intrude into by the earth connection of LED street lamp in the LED street lamp device, thereby cause the injury of LED street lamp.
How allowing the LED street lamp away from the attack of thunder and lightning, improve the stability and the reliability of its work, is the technical problem that this area will solve.
The utility model content
The technical problems to be solved in the utility model provides and a kind ofly takes shelter from the thunder, stability and reliability lightning protection LED street lamp preferably.
In order to solve the problems of the technologies described above, the utility model provides a kind of lightning protection LED street lamp, comprise: power circuit is characterized in: the first zinc oxide pressure-sensitive element that is provided with the protection of band heat between live wire in the power circuit and the zero line, the pressure-sensitive series circuit that the 3rd zinc oxide pressure-sensitive element of being protected by the second zinc oxide pressure-sensitive element and the band heat of the hot protection of band constitutes, first transient state suppresses bilateral diode, suppress the transient state inhibition series circuit that bilateral diode constitutes by second transient state inhibition bilateral diode and the 3rd transient state, and be series at first filter inductance and second filter inductance on live wire and the zero line respectively; Ground connection behind the contact serial connection gas-discharge tube of the second zinc oxide pressure-sensitive element and the 3rd zinc oxide pressure-sensitive element, second transient state suppresses the contact ground connection of bilateral diode and the 3rd transient state inhibition bilateral diode.
Further, for preventing there is potential difference between the contiguous street lamp, the effect thereby influence is taken shelter from the thunder, the lamp stand while ground connection of adopting each LED street lamp of described power circuit.
As another kind of scheme; the characteristics of described lightning protection LED street lamp are to comprise: be located at anti-lightning strike Surge Protector between the live wire end of LED street lamp and the zero line side, the pressure-sensitive series circuit that anti-lightning strike Surge Protector comprises the 4th zinc oxide pressure-sensitive element that is provided with the protection of band heat between live wire and the zero line, is made of the 6th zinc oxide pressure-sensitive element of the 5th zinc oxide pressure-sensitive element of band heat protection and the protection of band heat.
Technique scheme of the present utility model has the following advantages compared to existing technology: (1) lightning protection LED of the present utility model street lamp; the lightning protection component solution of the zinc oxide pressure-sensitive element of this, band heat protection that optimize, the comprehensive security type based on piezo-resistance; by the big capacitance oxidization zinc of high energy piezo-resistance protecting component and temperature-sensitive control overtemperature protection mechanism; high-energy, multistage discharging structure, the equipotential technology of " 3+1 " pattern of lightning Protection Design that no afterflow takes place and uniqueness.Guarantee the safe operation of LED street lamp, farthest alleviate loss and harm that thunder-strike current or voltage cause the LED street lamp.Employing is that optimize, the comprehensive security type based on piezo-resistance, the lightning protection component of the zinc oxide pressure-sensitive element of band heat protection, utilize the big capacity transient state of high energy to suppress bilateral diode and temperature-sensitive control overtemperature protection mechanism (being gas generating pipe), high-energy, multistage discharging structure (being that transient state suppresses series circuit), the design of safer lightning protection is carried out in no afterflow, cooperate to adopt unique " 3+1 " pattern and equipotential art designs and the anti-lightning strike Surge Protector of tailored version LED street lamp produced; (2) in the utility model, the LED street lamp at the general supply place or the power distribution cabinet place lightning protection for power supply of specialty is installed, because can make the thunderbolt transient voltage that intrudes in the LED road lamp system change into current forms rapidly and dump in the ground, and make thunderbolt voltage drop to the degree that the LED street lamp device can bear fast by ground wire by this equipment.(3) in the utility model, the unsuitable independent grounding of the single lamp stand in the whole piece LED road-lamp road-section, single lamp ground connection is easy to generate potential difference, after this difference reaches certain numerical value, also can cause damage to the LED street lamp; There is potential difference for fear of different earthed systems,, equates to guarantee the earthing potential between the LED street lamp list lamp in the whole piece highway section preferably with the shared same earthed system of the LED street lamp in the whole piece highway section.Thereby construct multi-level lightning protection system for the LED road lamp system, only in this way just can guarantee the safe operation of LED street lamp device, farthest alleviate loss and harm that thunder-strike current or voltage cause the LED street lamp.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, below the specific embodiment and in conjunction with the accompanying drawings of basis, the utility model is described in further detail, wherein
Fig. 1 is the schematic diagram of the power circuit of the lightning protection LED street lamp among the embodiment 1;
Fig. 2 is the schematic diagram of the power circuit of the lightning protection LED street lamp among the embodiment 2;
Fig. 3 is the internal microstructure schematic diagram of zinc oxide pressure-sensitive element, and wherein: a is a motor, and b is a grain boundary layer, and c is a zinc oxide grain.
The specific embodiment
(embodiment 1)
See Fig. 1, the lightning protection LED street lamp of present embodiment, comprise: power circuit is characterized in that: be provided with the first zinc oxide pressure-sensitive element MOV1 between live wire L in the power circuit and the zero line N, the pressure-sensitive series circuit that constitutes by the second zinc oxide pressure-sensitive element MOV2 and the 3rd zinc oxide pressure-sensitive element MOV3, first transient state suppresses bilateral diode TVS1, suppress the transient state inhibition series circuit that bilateral diode TVS3 constitutes by second transient state inhibition bilateral diode TVS2 and the 3rd transient state, and be series at the first filter inductance L1 and the second filter inductance L2 on live wire L and the zero line N respectively; Ground connection behind the contact serial connection gas-discharge tube GDT of the second zinc oxide pressure-sensitive element MOV2 and the 3rd zinc oxide pressure-sensitive element MOV3, second transient state suppresses the contact ground connection of bilateral diode TVS2 and the 3rd transient state inhibition bilateral diode TVS3.
Adopt the lamp stand while ground connection of each LED street lamp of described power circuit.
The zinc oxide pressure-sensitive element is under the normal voltage condition; this is equivalent to a small capacitor, and when overvoltage appearred in circuit, its internal resistance sharply descended and conducting rapidly; its operating current increases several magnitude, thereby protected the unlikely overvoltage of other components and parts in the circuit effectively and damage.
The zinc oxide pressure-sensitive element utilizes ceramic process to make, and its internal microstructure as shown in Figure 3.Comprise zinc oxide grain and crystal grain grain boundary layer on every side in the microstructure.The resistivity of zinc oxide grain is very low, and the resistivity of grain boundary layer is very high, contacted two intergranules have formed a potential barrier unit, and each unit breakdown voltage is approximately 3.5V, are connected in many this unit and the matrix that has just constituted piezo-resistance in parallel.The unit of series connection is many more, and its breakdown voltage is with regard to superelevation, and the cross-sectional area of substrate is big more, and its discharge capacity is also big more.Piezo-resistance is when work, and each piezo-resistance unit is all bearing the surge electric flux.
(embodiment 2)
See Fig. 2; on the basis of embodiment 1; also there are some differences in the lightning protection LED street lamp of present embodiment; the lightning protection LED street lamp of present embodiment comprises: be located at anti-lightning strike Surge Protector between the live wire end L of LED street lamp and the zero line side N, anti-lightning strike Surge Protector comprises the pressure-sensitive series circuit that is provided with the 4th zinc oxide pressure-sensitive element MOV4 between live wire L and the zero line N, is made of the 5th zinc oxide pressure-sensitive element MOV5 and the 6th zinc oxide pressure-sensitive element MOV6.
Adopt the lamp stand while ground connection of each LED street lamp of described power circuit, to prevent there is potential difference between the contiguous street lamp, effect thereby influence is taken shelter from the thunder.
Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not the qualification to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And these belong to conspicuous variation or the change that spirit of the present utility model extended out and still are among the protection domain of the present utility model.
Claims (4)
1. lightning protection LED street lamp, comprise power circuit, it is characterized in that: the first zinc oxide pressure-sensitive element (MOV1) that is provided with the protection of band heat between live wire in the power circuit (L) and the zero line (N), the pressure-sensitive series circuit that the 3rd zinc oxide pressure-sensitive element of being protected by the second zinc oxide pressure-sensitive element (MOV2) of being with the heat protection and band heat (MOV3) constitutes, first transient state suppresses bilateral diode (TVS1), the transient state that is suppressed bilateral diode (TVS2) and the 3rd transient state inhibition bilateral diode (TVS3) formation by second transient state suppresses series circuit, and be series at first filter inductance (L1) and second filter inductance (L2) on live wire (L) and the zero line (N) respectively; Contact serial connection gas-discharge tube (GDT) the back ground connection of the second zinc oxide pressure-sensitive element (MOV2) and the 3rd zinc oxide pressure-sensitive element (MOV3), second transient state suppresses the contact ground connection of bilateral diode (TVS2) and the 3rd transient state inhibition bilateral diode (TVS3).
2. lightning protection LED street lamp according to claim 1 is characterized in that: the lamp stand while ground connection of adopting each LED street lamp of described power circuit.
3. lightning protection LED street lamp; it is characterized in that comprising: be located at the live wire end (L) of LED street lamp and the anti-lightning strike Surge Protector between the zero line side (N), anti-lightning strike Surge Protector comprises: be located at the 4th zinc oxide pressure-sensitive element (MOV4) of the band heat protection between live wire (L) and the zero line (N), by the pressure-sensitive series circuit of the 6th zinc oxide pressure-sensitive element (MOV6) formation of the 5th zinc oxide pressure-sensitive element (MOV5) of band heat protection and the protection of band heat.
4. lightning protection LED street lamp according to claim 3 is characterized in that: the lamp stand of each lightning protection LED street lamp is ground connection simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203042119U CN201636674U (en) | 2009-06-10 | 2009-06-10 | Lightning protection led street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203042119U CN201636674U (en) | 2009-06-10 | 2009-06-10 | Lightning protection led street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201636674U true CN201636674U (en) | 2010-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203042119U Expired - Fee Related CN201636674U (en) | 2009-06-10 | 2009-06-10 | Lightning protection led street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201636674U (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315636A (en) * | 2011-08-26 | 2012-01-11 | 江苏上骐集团有限公司 | Lightning protection circuit for direct current motor and main power supply circuit |
| CN102611091A (en) * | 2012-03-02 | 2012-07-25 | 云南电力试验研究院（集团）有限公司电力研究院 | Lightning stroke prevention surge test protection circuit for electronic equipment |
| WO2012143871A1 (en) * | 2011-04-20 | 2012-10-26 | Koninklijke Philips Electronics N.V. | Surge protection device |
| CN102761116A (en) * | 2011-12-26 | 2012-10-31 | 惠州茂硕能源科技有限公司 | Triple suppression circuit of power grid abnormity |
| WO2012147005A1 (en) * | 2011-04-26 | 2012-11-01 | Koninklijke Philips Electronics N.V. | Connector having surge protection structure |
| CN103050959A (en) * | 2013-01-05 | 2013-04-17 | 深圳顺络电子股份有限公司 | Surge protection circuit for signal circuit |
| NL2008231C2 (en) * | 2012-02-03 | 2013-08-06 | Etap Nv | A led circuit. |
| CN103326337A (en) * | 2012-03-19 | 2013-09-25 | 长沙润迅通信设备有限公司 | Safe and reliable current transformer protection device |
| CN103650279A (en) * | 2011-07-13 | 2014-03-19 | 皇家飞利浦有限公司 | Surge protection device |
| CN104218562A (en) * | 2014-09-30 | 2014-12-17 | 成都思迈科技发展有限责任公司 | Direct-current power source lightning protection circuit |
| CN104269834A (en) * | 2014-08-18 | 2015-01-07 | 山东华普信息科技有限公司 | Low-pulse surge protection device |
| CN104518504A (en) * | 2013-09-30 | 2015-04-15 | 深圳市海洋王照明工程有限公司 | Anti-surge circuit and LED lighting system |
| CN105704860A (en) * | 2016-03-23 | 2016-06-22 | 成都锐奕信息技术有限公司 | High-reliability LED street lamp device |
| CN105764187A (en) * | 2016-03-23 | 2016-07-13 | 成都锐奕信息技术有限公司 | LED street lamp power supply system with two stages of lightning protection |
| CN106768069A (en) * | 2017-01-20 | 2017-05-31 | 北京志翔领驭科技有限公司 | M BUS interface intelligent temperature and humidity monitoring devices |
| CN108376979A (en) * | 2018-04-16 | 2018-08-07 | 淮阴师范学院 | A kind of laser diode electrostatic surge protection device |
| EP3474406A1 (en) * | 2017-10-17 | 2019-04-24 | KIWA sk, s.r.o. | Device for overvoltage protection of led street lighting |
| IT201900019755A1 (en) | 2019-10-24 | 2021-04-24 | Torino Politecnico | LED LIGHTING DEVICE WITH SURGE PROTECTION SYSTEM |
-
2009
- 2009-06-10 CN CN2009203042119U patent/CN201636674U/en not_active Expired - Fee Related
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012143871A1 (en) * | 2011-04-20 | 2012-10-26 | Koninklijke Philips Electronics N.V. | Surge protection device |
| WO2012147005A1 (en) * | 2011-04-26 | 2012-11-01 | Koninklijke Philips Electronics N.V. | Connector having surge protection structure |
| CN103493592B (en) * | 2011-04-26 | 2016-11-16 | 皇家飞利浦有限公司 | There is the adapter of surge protection structure |
| US9000672B2 (en) | 2011-04-26 | 2015-04-07 | Koninklijkle Philips N.V. | Connector with surge protection structure |
| CN103493592A (en) * | 2011-04-26 | 2014-01-01 | 皇家飞利浦有限公司 | Connector having surge protection structure |
| CN103650279A (en) * | 2011-07-13 | 2014-03-19 | 皇家飞利浦有限公司 | Surge protection device |
| US9997909B2 (en) | 2011-07-13 | 2018-06-12 | Philips Lighting Holding B.V. | Surge protection device |
| CN102315636A (en) * | 2011-08-26 | 2012-01-11 | 江苏上骐集团有限公司 | Lightning protection circuit for direct current motor and main power supply circuit |
| CN102761116A (en) * | 2011-12-26 | 2012-10-31 | 惠州茂硕能源科技有限公司 | Triple suppression circuit of power grid abnormity |
| CN102761116B (en) * | 2011-12-26 | 2015-07-08 | 惠州茂硕能源科技有限公司 | Triple suppression circuit of power grid abnormity |
| NL2008231C2 (en) * | 2012-02-03 | 2013-08-06 | Etap Nv | A led circuit. |
| EP2624663A1 (en) * | 2012-02-03 | 2013-08-07 | Etap N.V. | A LED circuit |
| CN102611091A (en) * | 2012-03-02 | 2012-07-25 | 云南电力试验研究院（集团）有限公司电力研究院 | Lightning stroke prevention surge test protection circuit for electronic equipment |
| CN103326337A (en) * | 2012-03-19 | 2013-09-25 | 长沙润迅通信设备有限公司 | Safe and reliable current transformer protection device |
| CN103050959A (en) * | 2013-01-05 | 2013-04-17 | 深圳顺络电子股份有限公司 | Surge protection circuit for signal circuit |
| CN104518504A (en) * | 2013-09-30 | 2015-04-15 | 深圳市海洋王照明工程有限公司 | Anti-surge circuit and LED lighting system |
| CN104269834A (en) * | 2014-08-18 | 2015-01-07 | 山东华普信息科技有限公司 | Low-pulse surge protection device |
| CN104218562A (en) * | 2014-09-30 | 2014-12-17 | 成都思迈科技发展有限责任公司 | Direct-current power source lightning protection circuit |
| CN105704860A (en) * | 2016-03-23 | 2016-06-22 | 成都锐奕信息技术有限公司 | High-reliability LED street lamp device |
| CN105764187A (en) * | 2016-03-23 | 2016-07-13 | 成都锐奕信息技术有限公司 | LED street lamp power supply system with two stages of lightning protection |
| CN106768069A (en) * | 2017-01-20 | 2017-05-31 | 北京志翔领驭科技有限公司 | M BUS interface intelligent temperature and humidity monitoring devices |
| EP3474406A1 (en) * | 2017-10-17 | 2019-04-24 | KIWA sk, s.r.o. | Device for overvoltage protection of led street lighting |
| CN108376979A (en) * | 2018-04-16 | 2018-08-07 | 淮阴师范学院 | A kind of laser diode electrostatic surge protection device |
| IT201900019755A1 (en) | 2019-10-24 | 2021-04-24 | Torino Politecnico | LED LIGHTING DEVICE WITH SURGE PROTECTION SYSTEM |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SHENZHEN SIAT & JEGO OPTOELECTRONICS TECHNOLOGY CO., LTD. Assignor: Huang Aiguo Contract record no.: 2011990000801 Denomination of utility model: Novel lightning protection LED road lamp Granted publication date: 20101117 License type: Exclusive License Record date: 20110819 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20140610 |