CN104578030A - Lightning arrester for outdoor lamp - Google Patents
Lightning arrester for outdoor lamp Download PDFInfo
- Publication number
- CN104578030A CN104578030A CN201410798279.2A CN201410798279A CN104578030A CN 104578030 A CN104578030 A CN 104578030A CN 201410798279 A CN201410798279 A CN 201410798279A CN 104578030 A CN104578030 A CN 104578030A
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- China
- Prior art keywords
- lamp
- lightning
- piezo
- resistance
- piezoresistor
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Abstract
The invention discloses a lightning arrester for an outdoor lamp. The lightning arrester comprises a connecting terminal I used for being connected to the L end of a power supply of the outdoor lamp, a connecting terminal II used for being connected to the N to-the-ground end of the power supply of the outdoor lamp and a lightning protection circuit connected between the connecting terminal I and the connecting terminal II; the lightning protection circuit comprises a piezoresistor group, a piezoresistor I and a current-limiting inductor, which are connected in series in sequence, wherein the piezoresistor group comprises a piezoresistor II, a piezoresistor III and a piezoresistor IV, which are connected in parallel in sequence. The lightning arrester for the outdoor lamp disclosed by the invention has the advantages of simple structure, good convenience in manufacture, stable quality, high safety and reliability and strong practicability and can instantaneously adjust the electrostatic discharge scale of the outdoor lamp to an affordable range of the power supply of the lamp, so that the lamp is prevented from damage caused by an instantaneous lightning stroke effect when being subjected to lightning induction and is enabled to normally use under the outdoor environment, the original service life of the lamp is ensured, and the replacement cost of the lamp is reduced.
Description
Technical field
The present invention relates to a kind of lightning arrester, particularly relate to a kind of outdoor lamp lightning arrester, belong to lightning-arrest product technical field.
Background technology
Outdoor LED lamp often suffers that thunderbolt causes power supply to burn, light fixture damages; Although lightning arrester of the prior art is varied, from the lightning arrester being installed on optoelectronic device, design kind is less, lightning-arrest poor effect.
The LED street lamp constant-current source of prior art generally adopts current insurance silk as overcurrent protection, wherein do not arrange lightning protection system to be used for preventing surge or thunderbolt, and LED street lamp is generally arranged on outdoor, so be very easily struck by lightning; Cause the significantly increase changed and lose efficiency LED street lamp cost, and the useful life that LED lamp declares can not be met well.
Meanwhile, though the protective circuit of the existing part of existing power supply, often when thunder and lightning is in neighbouring generation, namely power supply may burn by the electrostatic that period produces, thus causes light fixture to lose efficacy; So extremely need the electrostatic existed in thunderbolt greatly to release, and then avoid outdoor lamp after a thunderstorm, occur the loss that light fixture large area lost efficacy.
Summary of the invention
Main purpose of the present invention is, overcomes deficiency of the prior art, provides a kind of outdoor lamp lightning arrester, is specially adapted to outdoor LED street lamp.
Technical problem to be solved by this invention is to provide that structure is simple, easy to make, steady quality, safe and reliable, practical outdoor lamp lightning arrester, the electrostatic leakage scale of outdoor lamp can be adjusted to instantaneously the scope that lamp power can bear, thus avoid light fixture when recruiting lightning induction because thunderbolt effect causes damage instantaneously, light fixture is normally used in environment out of doors, ensure that the original of light fixture declares the life-span, and there is the value in industry.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of outdoor lamp lightning arrester, the splicing ear two comprise the splicing ear one of the L end for being connected to outdoor lamp power supply, holding for the N being connected to outdoor lamp power supply over the ground and the lightning circuit be arranged between splicing ear one and splicing ear two; Described lightning circuit comprises piezo-resistance group, piezo-resistance and the current-limiting inductance of connecting successively, and described piezo-resistance group comprises at least two piezo-resistances in parallel successively.
The present invention is set to further: described lightning circuit comprises piezo-resistance group, piezo-resistance one and the current-limiting inductance of connecting successively, and described piezo-resistance group comprises piezo-resistance two in parallel successively, piezo-resistance three and piezo-resistance four.
Operation principle of the present invention is: splicing ear is held over the ground for the L end or N being connected to outdoor lamp power supply, when large thunderbolt electrostatic produces, the piezo-resistance be connected in parallel can be had an effect energy of releasing, the piezo-resistance of simultaneously connecting and current-limiting inductance also absorb energy, thus within scope reflected voltage and current limit can born at lamp power, avoid light fixture impaired when recruiting lightning induction.
Compared with prior art, the invention has the beneficial effects as follows: have that structure is simple, easy to make, steady quality, safe and reliable, practical advantage, the electrostatic leakage scale of outdoor lamp can be adjusted to instantaneously the scope that lamp power can bear, thus avoid light fixture when recruiting lightning induction because thunderbolt effect causes damage instantaneously, light fixture is normally used in environment out of doors, ensure that the original of light fixture declares the life-span, reduce the replacement cost of light fixture.
Foregoing is only the general introduction of technical solution of the present invention, and in order to clearer understanding technological means of the present invention, below in conjunction with accompanying drawing, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of outdoor lamp lightning arrester of the present invention.
Embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
As shown in Figure 1, a kind of outdoor lamp lightning arrester, the splicing ear two comprise the splicing ear one of the L end for being connected to outdoor lamp power supply, holding for the N being connected to outdoor lamp power supply over the ground and the lightning circuit be arranged between splicing ear one and splicing ear two; Described lightning circuit comprises piezo-resistance group, piezo-resistance one and the current-limiting inductance of connecting successively, and described piezo-resistance group comprises piezo-resistance two in parallel successively, piezo-resistance three and piezo-resistance four.
Lightning arrester is connected between live wire and ground by splicing ear by the present invention, with protected equipment and outdoor lamp power sources in parallel; By adopting the lightning circuit of many piezo-resistance parallel connections, the upper piezo-resistance of series connection and current-limiting inductance successively, in order to release energy limit reflected voltage and electric current; Thus possess the anti-lightning strike function of outdoor electrostatic leakage.
The piezo-resistance wherein used is votage limit type protection device, does not have to present high-impedance state during pulse voltage, once response impulse voltage, immediately voltage is restricted to certain value, its impedance then sports the state of low-resistance.The response time of piezo-resistance is very fast; The piezo-resistance that lightning arrester uses requires that it has excellent energy resistance characteristics, and energy resistance characteristics mainly describes with rated lightning impulse electric current, maximum lightning impulse current and energy tolerance three norms, the surface area of these characteristics and piezo-resistance is about relevant with the radiating condition of element.The piezo-resistance of same specification, due to manufacturing process, the composition of raw materials difference of different manufacturers, its energy capability can differ greatly; What general use was more is Zinc-oxide piezoresistor.
Through actual test, outdoor lamp lightning arrester of the present invention, when large thunderbolt electrostatic produces, the piezo-resistance be connected in parallel can be had an effect energy of releasing, the piezo-resistance of simultaneously connecting and current-limiting inductance also absorb energy, thus can by reflected voltage and current limit within below 850V with 7.5A; In the very short time that thunderbolt voltage produces (only having several milliseconds), general Switching Power Supply all can be kept out, and can bear 15000V thunderbolt voltage, can ensure the safety of outdoor lamp swimmingly through actual measurement.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (2)
1. an outdoor lamp lightning arrester, is characterized in that: comprise the splicing ear one of the L end for being connected to outdoor lamp power supply, the splicing ear two held over the ground for the N being connected to outdoor lamp power supply and the lightning circuit be arranged between splicing ear one and splicing ear two;
Described lightning circuit comprises piezo-resistance group, piezo-resistance and the current-limiting inductance of connecting successively, and described piezo-resistance group comprises at least two piezo-resistances in parallel successively.
2. outdoor lamp lightning arrester according to claim 1, it is characterized in that: described lightning circuit comprises piezo-resistance group, piezo-resistance one and the current-limiting inductance of connecting successively, described piezo-resistance group comprises piezo-resistance two in parallel successively, piezo-resistance three and piezo-resistance four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410798279.2A CN104578030A (en) | 2014-12-19 | 2014-12-19 | Lightning arrester for outdoor lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410798279.2A CN104578030A (en) | 2014-12-19 | 2014-12-19 | Lightning arrester for outdoor lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104578030A true CN104578030A (en) | 2015-04-29 |
Family
ID=53093503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410798279.2A Pending CN104578030A (en) | 2014-12-19 | 2014-12-19 | Lightning arrester for outdoor lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104578030A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5796568A (en) * | 1994-11-19 | 1998-08-18 | Asea Brown Boveri Ag | Current limiter device |
| CN2569400Y (en) * | 2002-08-19 | 2003-08-27 | 成军 | Thunder-proof overvoltage protector |
| CN101145689A (en) * | 2007-07-27 | 2008-03-19 | 艾默生网络能源有限公司 | A DC lightning prevention unit and its alarming circuit |
| CN201417942Y (en) * | 2009-06-18 | 2010-03-03 | 成都兴业雷安电子有限公司 | Matrix pressure-sensitive surge protection module |
| CN103151126A (en) * | 2013-03-12 | 2013-06-12 | 郑越 | Over-voltage protector used for 220V or 380V alternating-current power system |
| CN204271632U (en) * | 2014-12-19 | 2015-04-15 | 苏州汉克山姆照明科技有限公司 | Outdoor lamp lightning arrester |
-
2014
- 2014-12-19 CN CN201410798279.2A patent/CN104578030A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5796568A (en) * | 1994-11-19 | 1998-08-18 | Asea Brown Boveri Ag | Current limiter device |
| CN2569400Y (en) * | 2002-08-19 | 2003-08-27 | 成军 | Thunder-proof overvoltage protector |
| CN101145689A (en) * | 2007-07-27 | 2008-03-19 | 艾默生网络能源有限公司 | A DC lightning prevention unit and its alarming circuit |
| CN201417942Y (en) * | 2009-06-18 | 2010-03-03 | 成都兴业雷安电子有限公司 | Matrix pressure-sensitive surge protection module |
| CN103151126A (en) * | 2013-03-12 | 2013-06-12 | 郑越 | Over-voltage protector used for 220V or 380V alternating-current power system |
| CN204271632U (en) * | 2014-12-19 | 2015-04-15 | 苏州汉克山姆照明科技有限公司 | Outdoor lamp lightning arrester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150429 |
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| RJ01 | Rejection of invention patent application after publication |