CN204465977U - Lightning protection, under-voltage/over-voltage protection street lamp control system - Google Patents
Lightning protection, under-voltage/over-voltage protection street lamp control system Download PDFInfo
- Publication number
- CN204465977U CN204465977U CN201520133465.4U CN201520133465U CN204465977U CN 204465977 U CN204465977 U CN 204465977U CN 201520133465 U CN201520133465 U CN 201520133465U CN 204465977 U CN204465977 U CN 204465977U
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- voltage
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- contactor
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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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The utility model discloses a kind of lightning protection, under-voltage/over-voltage protection street lamp control system, include master control case, many groups control circuit and many group LED lamp bead matrixes, residual current circuit breaker in master control case and be in series with under-voltage/over-voltage protection device between timer, A.C. contactor in master control case is parallel with Surge Protector, include and organize piezo-resistance more, many groups gas discharge tube and organize isolating transformer more, one end of many groups piezo-resistance is connected with the output of A.C. contactor respectively, after the other end of many groups piezo-resistance is connected respectively many group isolating transformers, corresponding and the input organizing control circuit is connected more respectively again, one end of many groups gas discharge tube is connected with the output of A.C. contactor respectively, the other end ground connection respectively of many groups gas discharge tube.The utility model can introduce effective restriction to thunder and lightning high pressure, and Lightning Over-voltage of can releasing, and avoid line voltage short-time fluctuations, protect power consumption equipment.
Description
Technical field
The utility model relates to LED street lamp commander territory, specifically a kind of lightning protection, under-voltage/over-voltage protection street lamp control system.
Background technology
In the actual use of LED street lamp, as the core of street lamp, street lamp driving (road lamp power supply) practical application situation is also pessimistic.According to the feedback in street lamp installation and follow-up service and summary, thunderbolt causes street lamp to drive the main cause lost efficacy.Because street lamp all works in wild environment, protection level must meet more than IP65, although the circuit board of driving own is provided with the anti-lightning devices such as piezo-resistance, encapsulating process has been done again in driving itself.In actual use, some street lamps drive and still damage after thunderbolt, and this is relevant with the constant-current source drive scheme generally used at present.
Control circuit wherein all adopts integrating control IC, but this integrated IC work (startups) power supply generally takes from circuit after driving rectifying and wave-filtering via high resistance measurement.The high voltage transient produced during thunderbolt is by ballast filter circuit, also direct by starting resistance arrival integrating control IC, causes this IC to damage, power-fail.All carry out encapsulating process because street lamp drives, driven after breaking down, maintenance and labor intensive material resources thereof, mostly just directly scrap.Economic loss is very large.
Master control case wherein, in rural power grids are powered, due to supply line head, with a varied topography, condition of power supply is severe, causes voltage ripple of power network amplitude large, overvoltage and under voltage phenomenon common, even also have 220v power misconnection 380v power supply situation occur, cause electrical appliance to damage.
Utility model content
The purpose of this utility model be in order to overcome prior art exist defect and deficiency, a kind of lightning protection, under-voltage/over-voltage protection street lamp control system are provided.
The technical solution of the utility model is as follows:
A kind of lightning protection, under-voltage/over-voltage protection street lamp control system, include master control case, many groups control circuit and many group LED lamp bead matrixes, organizing LED lamp bead matrix the output of described many group control circuits is corresponding and described to be respectively connected more, the metering ammeter be in series successively is respectively arranged with in described master control case, residual current circuit breaker, timer and A.C. contactor, the external civil power of input of described metering ammeter, it is characterized in that: between described residual current circuit breaker and described timer, be in series with under-voltage/over-voltage protection device, described A.C. contactor is parallel with Surge Protector, include and organize piezo-resistance more, many groups gas discharge tube and organize isolating transformer more, one end of described many group piezo-resistances is connected with the output of described A.C. contactor respectively, after the other end of many groups piezo-resistance is connected respectively described many groups isolating transformer, corresponding and the described input organizing control circuit is connected more respectively again, one end of described many group gas discharge tubes is connected with the output of described A.C. contactor respectively, the other end ground connection respectively of many groups gas discharge tube.
Described lightning protection, under-voltage/over-voltage protection street lamp control system, is characterized in that: described many groups gas discharge tube all has two.
The beneficial effects of the utility model:
1, isolating transformer in the utility model can introduce effective restriction to thunder and lightning high pressure, this is because when powerful lightning wave input isolating transformer, because the normal voltage of lightning wave voltage ratio isolating transformer is high doubly a lot, the iron core making the magnetic flux density encouraged be far longer than isolating transformer allows the maximum magnetic induction BM passed through, thus the core sataration of isolating transformer, magnetic-electricity the conversion of isolating transformer was temporarily lost efficacy, thunder and lightning high voltage can not be transferred to the secondary of isolating transformer, thus protection power consumption equipment, the former limit of isolating transformer can be isolated to connect with the electric of secondary simultaneously, isolation harmonic wave, protect personal safety.
2, the under-voltage/over-voltage protection device in the utility model is when supply voltage is lower than 160 or higher than 270 volts; under-voltage/over-voltage protection device action power-off; treat that supply voltage recovers normal condition; the deferred action of under-voltage/over-voltage protection device; restore electricity to rear class; the object of deferred action is to avoid line voltage short-time fluctuations, and under-voltage/over-voltage protection device frequently switches, thus protects the use safety of electrical appliance.
3, the Surge Protector in the utility model is used for Lightning Over-voltage of releasing, and ensure that Electrical Safety.
4, the piezo-resistance in the utility model is when supply voltage exceedes driver and LED lamp holder nominal threshold value, and this device resistance sharply reduces, and by the current surge of this device, plays superpotential effect in shunting limiting circuitry.
5, the gas discharge tube in the utility model is when scurrying into when Lightning Over-voltage, the voltage being added to two electrode tips makes the gas breakdown in gas discharge tube, gas discharge tube just starts electric discharge, and become low-resistance by high resistant, make the voltage at electrode two ends be no more than puncture voltage, reduce the power supply overvoltage of posterior member.
Accompanying drawing explanation
Fig. 1 is the utility model structure principle chart.
Embodiment
See Fig. 1, a kind of lightning protection, under-voltage/over-voltage protection street lamp control system, include master control case 1, many groups control circuit 2 and many group LED lamp bead matrixes 3, the output of many groups control circuit 2 is corresponding and morely organize LED lamp bead matrix 3 and be connected respectively, the metering ammeter 4 be in series successively is respectively arranged with in master control case 1, residual current circuit breaker 5, timer 6 and A.C. contactor 7, the external civil power of input of metering ammeter 4, under-voltage/over-voltage protection device 8 is in series with between residual current circuit breaker 5 and timer 6, A.C. contactor 7 is parallel with Surge Protector 9, include many group piezo-resistances 10, many groups gas discharge tube 11 and many group isolating transformers 12, one end of many groups piezo-resistance 10 is connected with the output of A.C. contactor 7 respectively, after the other end of many groups piezo-resistance 10 is connected respectively many group isolating transformers 12, corresponding and the input organizing control circuit 2 is connected more respectively again, one end of many groups gas discharge tube 11 is connected with the output of A.C. contactor 7 respectively, the other end ground connection respectively of many groups gas discharge tube 11.
In the utility model, many group gas discharge tubes 11 all have two.
Below in conjunction with accompanying drawing, the utility model is further described:
Isolating transformer can introduce effective restriction to thunder and lightning high pressure; this is because when powerful lightning wave input transformer; because the normal voltage of lightning wave voltage ratio transformer is high doubly a lot; the magnetic flux density encouraged is made to be far longer than the maximum magnetic induction BM that iron core allows to pass through; thus transformer core is saturated; magnetic-electricity the conversion of transformer was temporarily lost efficacy, and thunder and lightning high voltage can not be transferred to the secondary of transformer, thus protection power consumption equipment.Can isolate former limit to connect with the electric of secondary, isolation harmonic wave, protects personal safety simultaneously.
Under-voltage/over-voltage protection device is when supply voltage is lower than 160 or higher than 270 volts; under-voltage/over-voltage protection device action power-off; treat that supply voltage recovers normal condition; the deferred action of under-voltage/over-voltage protection device; restore electricity to rear class; the object of deferred action is to avoid line voltage short-time fluctuations, and under-voltage/over-voltage protection device frequently switches.
Surge Protector, when reaching its action critical value when the overvoltage on circuit, by the action of Surge Protector, makes line-to-ground form the conducting state of moment, for limiting temporary overvoltage or shunting surge current; During thunderbolt high voltage transient by the PE of Surge Protector end via earth connection release into (earth resistance is less than or equal to 4 Europe), Lightning Over-voltage of releasing.
Use piezo-resistance 10D471, when supply voltage exceedes driver and LED lamp holder nominal threshold value, this device resistance sharply reduces, and by the current surge of this device, plays shunting and suppresses superpotential effect between L, N line.
Use gas discharge tube 2, when Lightning Over-voltage is scurried into, the voltage being added to two electrode tips makes the gas breakdown in gas discharge tube, gas discharge tube just starts electric discharge, and become low-resistance by high resistant, make the voltage at electrode two ends be no more than puncture voltage, reduce the power supply overvoltage of rear end original paper.
Driving power of the present utility model, isolating transformer, Surge Protector all adopt individual packages; so that flexible configuration in actual installation uses, after a certain original paper breaks down, can change separately this element; improve operating efficiency, and can maintenance cost be reduced.
Claims (2)
1. a lightning protection, under-voltage/over-voltage protection street lamp control system, include master control case, many groups control circuit and many group LED lamp bead matrixes, organizing LED lamp bead matrix the output of described many group control circuits is corresponding and described to be respectively connected more, the metering ammeter be in series successively is respectively arranged with in described master control case, residual current circuit breaker, timer and A.C. contactor, the external civil power of input of described metering ammeter, it is characterized in that: between described residual current circuit breaker and described timer, be in series with under-voltage/over-voltage protection device, described A.C. contactor is parallel with Surge Protector, include and organize piezo-resistance more, many groups gas discharge tube and organize isolating transformer more, one end of described many group piezo-resistances is connected with the output of described A.C. contactor respectively, after the other end of many groups piezo-resistance is connected respectively described many groups isolating transformer, corresponding and the described input organizing control circuit is connected more respectively again, one end of described many group gas discharge tubes is connected with the output of described A.C. contactor respectively, the other end ground connection respectively of many groups gas discharge tube.
2. lightning protection according to claim 1, under-voltage/over-voltage protection street lamp control system, is characterized in that: described many groups gas discharge tube all has two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520133465.4U CN204465977U (en) | 2015-03-09 | 2015-03-09 | Lightning protection, under-voltage/over-voltage protection street lamp control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520133465.4U CN204465977U (en) | 2015-03-09 | 2015-03-09 | Lightning protection, under-voltage/over-voltage protection street lamp control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204465977U true CN204465977U (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520133465.4U Expired - Fee Related CN204465977U (en) | 2015-03-09 | 2015-03-09 | Lightning protection, under-voltage/over-voltage protection street lamp control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204465977U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086464A (en) * | 2017-05-22 | 2017-08-22 | 四川艾德瑞电气有限公司 | Traction substation pressure resistant type isolating transformer case |
| CN107178737A (en) * | 2017-07-21 | 2017-09-19 | 江苏恒鹏电气集团有限公司 | A kind of permanent illumination street lamp of high efficiency |
| WO2019015141A1 (en) * | 2017-07-21 | 2019-01-24 | 江苏恒鹏电气集团有限公司 | High-efficiency constant-illumination street lamp |
| CN115424409A (en) * | 2022-09-30 | 2022-12-02 | 南京中科睿通智能科技有限公司 | Comprehensive multifunctional anti-electric-shock safety protection device |
-
2015
- 2015-03-09 CN CN201520133465.4U patent/CN204465977U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086464A (en) * | 2017-05-22 | 2017-08-22 | 四川艾德瑞电气有限公司 | Traction substation pressure resistant type isolating transformer case |
| CN107178737A (en) * | 2017-07-21 | 2017-09-19 | 江苏恒鹏电气集团有限公司 | A kind of permanent illumination street lamp of high efficiency |
| WO2019015142A1 (en) * | 2017-07-21 | 2019-01-24 | 江苏恒鹏电气集团有限公司 | High-efficiency constant-illumination street lamp |
| WO2019015141A1 (en) * | 2017-07-21 | 2019-01-24 | 江苏恒鹏电气集团有限公司 | High-efficiency constant-illumination street lamp |
| CN115424409A (en) * | 2022-09-30 | 2022-12-02 | 南京中科睿通智能科技有限公司 | Comprehensive multifunctional anti-electric-shock safety protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20180309 |