CN201589156U - LED street lamp with lightning protection function - Google Patents
LED street lamp with lightning protection function Download PDFInfo
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- CN201589156U CN201589156U CN2010200272319U CN201020027231U CN201589156U CN 201589156 U CN201589156 U CN 201589156U CN 2010200272319 U CN2010200272319 U CN 2010200272319U CN 201020027231 U CN201020027231 U CN 201020027231U CN 201589156 U CN201589156 U CN 201589156U
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Abstract
The utility model discloses an LED street lamp with a lightning protection function, comprising an LED lamp group, a switch power supply, a lightning arrester and a lamp body formed by a heat dissipation body externally arranged at the back part of the LED lamp group, wherein a power input wire thereof is electrically connected with the LED lamp group by sequentially passing through the lightning arrester and the switch power supply; the lightning arrester is fixed on the heat dissipation body, comprises common mould overvoltage inhibition module, an overvoltage delay module and a differential mould overvoltage protection module and is internally provided with electronic elements including a rheostat, a temperature switch, a fuse, a discharge tube and an electric coupling coil. In the utility model, an input power cord firstly passes through the lightning arrester, is output to the switch power supply and achieves a next level circuit, absorbs high voltage pulse currents level by level to achieve the requirement of safe use of the switch power supply. Lightning arrester grounding is electrically connected with a lightning ground wire, an internal semiconductor surge absorber component has short response time, low residual voltage output and accurate clamping. When lightning stroke occurs, the high voltage pulse currents after alternating current induction pass through the lightning arrester and are released to the ground through the grounding end.
Description
Technical field
The utility model relates to a kind of LED street lamp, particularly a kind of LED street lamp with lightning protection function.
Background technology
Conventional road lamp is owing to be to adopt sodium vapor lamp, Metal halogen lamp, and incandescent lamp etc., power consumption is big, and the life-span is short, and colour rendering index is low; It is good that the LED street lamp not only has colourity, non-maintaining, and the characteristics that the life-span is long be the more important thing is more energy-conservation than conventional road lamp; There are a plurality of drawbacks in present LED street lamp on the market: one, and its angle is non-adjustable, and for complex road surface, owing to do not regulate LED street lamp elevation angle function, the light that the LED street lamp is sent does not project the zone that the road surface needs, and makes the road surface dark space occur.Its two, aspect lightning protection, only on power supply, add surge absorbing circuit, this circuit can only bear less discharge current, generally is 40A to the maximum, and lower grade of lightning protection, when thunderbolt took place, its high load capacity that carries thunderbolt pulse voltage and electric current were with the random release of form of electromagnetic wave.Thereby the street lamp alternating current input power supplying line that causes (looking thunderbolt intensity) in 1～5 kilometer range of minefield moment internal induction to the pulse voltage and the electric current of suitable intensity.Because the lightning protection grade of general Switching Power Supply is low, so that the voltage of high induction rushes at the inside of Switching Power Supply along power input line, form heavy current, break device in the internal circuit, can make the illuminator paralysis, the serious quite long highway section illumination that makes was lost efficacy, and caused traffic hidden danger, increased the maintenance cost of lamp body simultaneously.They are three years old, street lamp control system on the market is that system-wide section lamp body is unified switch at present, be in the total power situation after the work always, but, the vehicle flowrate on road surface changes to some extent, in the time after midnight only is about half of before midnight generally, if lamp body is in full power state always, can cause unnecessary energy waste.Its four, at present LED street lamp on the market is unkitted respirator, after lamp body work a period of time, the temperature of lamp body rises, and causes the air pressure in the lamp chamber bigger than external pressure, is unfavorable for lamp body stability.As working under the bigger environment of humidity, lamp body can make moist to make and produce water smoke in the lamp chamber, and then can influence the lamp body light efficiency, shortens the life-span of electronic devices and components.
Chinese patent literature CN201318651 discloses a kind of led circuit on September 30th, 2009, specifically, relates to a kind of LED street lighting lamp body circuit.It comprises road lamp power supply circuit and street lamp LED display circuit.Wherein the road lamp power supply circuit comprises voltage-stabilizing output circuit, voltage output end, Input voltage terminal and the electric capacity of start surge current and current foldback circuit, lightning protection circuit, discharge circuit, EMC filter circuit, bridge rectifier, band PFC control, and the LED display element of street lamp LED display circuit adopts the matrix form syndeton of series connection more in parallel earlier.This circuit complexity, to relate to components and parts many, and the cost height remains further perfect.
The utility model content
The purpose of this utility model aims to provide that a kind of structure is firm, attractive and durable, easy for installation, energy-conserving and environment-protective, heat radiation and lightning protection properties are good, optical design is reasonable, the LED street lamp of the band lightning protection function that the lamp body elevation angle is adjustable is to overcome weak point of the prior art.
A kind of LED street lamp by this purpose design with lightning protection function, comprise that by LED lamp group, Switching Power Supply, lightning protection device and the external lamp body that constitutes at the radiator at LED lamp group back its architectural feature is that power input line is electrically connected with LED lamp group through lightning protection device, Switching Power Supply successively; Lightning protection device is fixedly installed on the radiator, and it comprises that the common mode overvoltage suppresses module, overvoltage time delay module and differential mode over-voltage protection module; The common mode overvoltage suppresses module and comprises first rheostat, first temperature switch, first fuse, second rheostat, second temperature switch, second fuse and discharge tube; The overvoltage time delay module comprises the first electric coupling coil and the second electric coupling coil; The differential mode over-voltage protection module comprises the 3rd rheostat, the 3rd temperature switch and the 3rd fuse.
Described power input line comprises live wire, zero line and ground wire, first rheostat, one end that the common mode overvoltage suppresses module is connected with live wire, the other end is connected with ground wire by first temperature switch, first fuse, discharge tube successively, second rheostat, one end is connected with zero line, and the other end is connected with ground wire by second temperature switch, second fuse, discharge tube successively; The first electric coupling coil and the second electric coupling coil of overvoltage time delay module are connected on live wire and the zero line; The 3rd rheostat one end of differential mode over-voltage protection module is connected with live wire, and the other end is connected with zero line with the 3rd fuse by the 3rd temperature switch successively.
Described lightning protection device, Switching Power Supply bottom are connected with the outer end face of radiator by fixed head and connector; The lightning protection device input is connected with power input line, and output is provided with the lightning protection device plug; The Switching Power Supply input/output terminal is connected with supply socket and attaching plug respectively, and supply socket and lightning protection device plug are pegged graft; LED lamp group is electrically connected with lamp group socket, pegs graft with attaching plug; LED lamp group is electrically connected with lamp group socket by the intelligent control circuit board.
Described radiator comprises base and radiating fin, and both are one-body molded, is the section bar shape, and base is channel steel shape, fixedlys connected with LED lamp group in inside; The radiating fin parallel longitudinal is arranged in the outer end face of base, and its cross section is curved.
Described radiator two ends are connected with drive end bearing bracket and rear end cap respectively, and the drive end bearing bracket rear side is tightly connected by preceding waterproof bar and radiator front end face, and rear end cap is L-shaped, and the front side is tightly connected by back waterproof bar and radiator rear end face, and rear side is connected with the lamp stand sleeve; Drive end bearing bracket also is connected by long bolt with rear end cap, and long bolt passes forward and backward end cap, and two ends are connected with the bulb nut, and radiator compresses and is arranged between the forward and backward end cap.
Described drive end bearing bracket is provided with inner chamber, and the intelligent control circuit board is arranged in the inner chamber by support.
Described rear end cap rear side is provided with holder, and the lamp stand barrel forward end is provided with sliding seat, and sliding seat is fixedlyed connected with holder by screw and nut; Holder, sliding seat are all rounded, and both contact-making surfaces cooperate by anti-skidding groove location, and the sliding seat outside also is provided with scale.
Described drive end bearing bracket surface is provided with the pressure balance sleeve pipe that is communicated with its inner chamber, the pressure balance sleeve pipe is provided with respirator, respirator comprises rubber sleeve, active carbon diaphragm and hard cover, rubber sleeve one end and the socket of pressure balance sleeve pipe, the other end is provided with the active carbon diaphragm and joins, and is inserted in the hard cover.
Described LED lamp group comprises aluminium base, reflection shield and some LED lamp pearls, aluminium base is close to the inner top surface that is arranged on the radiator base, reflection shield is arranged on the aluminium base bottom, and LED lamp pearl passes reflection shield and the uniform aluminium base bottom surface that is arranged on, and LED lamp pearl also is arranged with lens.
Described reflection shield below also is provided with transparent glass, and the transparent glass left and right sides is tightly connected by side seal bar and radiator bottom, and the rear and front end is tightly connected by front and back sealing strip and forward and backward end cap bottom; Transparent glass compresses by glazing bead and is arranged on the radiator bottom.
Described glazing bead is channel steel shape, fixedlys connected with radiator by screw, and opening is towards the radiator sidewall; The radiator side-wall shaft is to being provided with fluting, and the glazing bead upside is fastened in the fluting, and downside is positioned at the below of transparent glass side margins; Screw is worn in fluting from the radiator top, is threaded with the glazing bead upside.
Optical design of the present utility model adopts the method for whole mapping to realize that road evenly throws light on, each LEDs is corresponding with whole road lighting zone, by on each LEDs, adding the lens of non-rotating symmetry, make light fully project on the road surface, according to the horizontal and vertical width difference in road surface, adopt the lens of different lighting angles, LED presents rectangular light spot on the road surface after the lens refraction.The AC power cord of input; earlier through lightning protection device; export Switching Power Supply to; arrive late-class circuit again; absorb high-voltage pulse current step by step; reach the requirement of Switching Power Supply safe handling; this lightning protection device ground connection and lightning protection ground wire are electrically connected (earth resistance≤4 ohm do not pamper), and internal performance is superior, and the response time that stay-in-grade semiconductor surge absorbing device is formed is short, and (average response time＜25ns) residual voltage output is low; clamper is accurate; when thunderbolt takes place when, through the high-voltage pulse current of alternating current impression through this lightning protection device, can very fast absorption; and high-voltage pulse current is released into the earth, thereby reach the effect of protection late-class circuit by earth terminal.
The Switching Power Supply output, step-down constant flow module PWM brightness regulation input, and be connected PWM brightness regulating circuit between above-mentioned two circuit, include singlechip chip in the circuit, the timing routine that writes in the singlechip chip, the design period behind bright lamp, the output modulated luminance signal is given the step-down constant flow module, make the step-down constant flow module export corresponding electric current supply LED, thereby reach the effect of brightness regulation.
Radiator adopts the mode of free convection to dispel the heat, it is finned radiator, this radiator adopts the good aluminium alloy environmental protection material extruding of heat conductivility to form, there is the concave plane of high-flatness radiator pedestal lower end, helping LED aluminium base and concave plane fits tightly and is dispelled the heat, smear heat-conducting cream between aluminium base and the radiator concave plane, improve the conduction of heat; Radiator pedestal upper end is the radiating fin that many group parallel longitudinals are arranged, the curved distribution of its cross section, not only perfect heat-dissipating, and good looking appearance.The design of radiator is based on heat conduction and thermal convection current theory, determines area and fin height, thickness, quantity and the spacing etc. of radiator pedestal according to the size of lamp power, utilizes the professional emulation of heat radiation simulation software, optimization again; The heat dissipation path of LED light fixture is mainly: led light source-aluminium base-cooling base-radiating fin-free convection, be that heat that led light source produces is exposed to outside radiator and distributes rapidly, the inequality of avoiding dispelling the heat causes heat to be trapped in lamp interior, cause that the light fixture local temperature is too high, and then the aggravation light decay, influence lamp life.This incorporate radiator is by reasonably design, and it is smooth and easy to dispel the heat, and has the low characteristics of thermal resistance, and the LED temperature is lower than under the junction temperature, guarantees the work that light fixture is efficient, stable.
Drive end bearing bracket adopts the compacting of environmental protection aluminium alloy, be connected with screw with radiator, joining place adopts import silica gel circle, strengthen the seal of light fixture, internal cavities, with the wiring board of placement module constant current drive plate and intelligence control system, this wiring board and thermal source are isolated, improve the service life of electrical equipment.Drive end bearing bracket also is provided with the combining structure of respirator, in order to respirator to be installed.Respirator has increased the respirator of active carbon, helps equilibrium air pressure and exhaust waterproof.
Rear end cap adopts the compacting of environmental protection aluminium alloy, is connected with screw with radiator, and joining place adopts import silica gel circle, strengthens the seal of light fixture.The holder of rear end cap also is provided with the tooth-shape structure of annular spread, cooperates the lamp stand sleeve, can make light fixture along the axle up-down adjustment light fixture elevation angle, and can locate preferably.
The lamp stand sleeve adopts the compacting of environment-friendly type aluminium alloy, is connected with adjustable holding screw with rear end cap, can make light fixture along the axle up-down adjustment light fixture elevation angle, adjustable range can reach-10 °～90 °, the lamp stand sleeve has also designed different cavitys, can cooperate different lamp stands, to make things convenient for lamp installation in different highway sections.
Glazing bead adopts that environment-friendly type is aluminium alloy extruded to form, in order to fixing transparent glass, transparent glass adopts the import silica gel strip with being connected of radiator, utilize glazing bead to be locked, cooperate drive end bearing bracket, the structure of rear end cap makes lamp interior form an airtight cavity, reach waterproof effect, make LED that the working environment of a safety be arranged.The locking mode of glazing bead is the reverse locking mechanism of reversal interlocking relay that utilizes holding screw, has both strengthened the fastening strength of each structure member, makes light fixture more attractive in appearance again.Transparent glass can change surface color, decorative lamp.
Description of drawings
Fig. 1 is the utility model one embodiment decomposition texture schematic diagram.
Fig. 2 assembles back one angle structural representation for Fig. 1.
Fig. 3 is another angle structural representation of Fig. 2.
Fig. 4 is the utility model backsight structural representation.
Fig. 5 looks up structural representation for Fig. 4.
Fig. 6 is the A-A sectional structure schematic diagram of Fig. 4.
Fig. 7 is a F place structure for amplifying schematic diagram among Fig. 6.
Fig. 8 is the B-B sectional structure schematic diagram of Fig. 4.
Fig. 9 is a C place structure for amplifying schematic diagram among Fig. 8.
Figure 10 is a respirator decomposition texture schematic diagram.
Figure 11 is drive end bearing bracket and intelligent control circuit board point syndeton schematic diagram.
Figure 12 is rear end cap and lamp stand sleeve syndeton schematic diagram.
Figure 13 is a D place structure for amplifying schematic diagram among Figure 12.
Figure 14 is an E place structure for amplifying schematic diagram among Figure 12.
Figure 15 is radiator, transparent glass and glazing bead syndeton schematic diagram.
Figure 16 is the lightning protection device circuit theory diagrams.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Referring to Fig. 1-Figure 16, the LED street lamp of this band lightning protection function comprises by LED lamp group, Switching Power Supply 20, lightning protection device 21 and the external lamp body that constitutes at the radiator 12 at LED lamp group back.It is characterized in that power input line is electrically connected with LED lamp group through lightning protection device, Switching Power Supply successively, lightning protection device is fixedly installed on the radiator, comprises that the common mode overvoltage suppresses module 28, overvoltage time delay module 29 and differential mode over-voltage protection module 30; The common mode overvoltage suppresses module and comprises the first rheostat MOV1, the first temperature switch K1, the first fuse F1, the second rheostat MOV2, the second temperature switch K2, the second fuse F2 and discharge tube G; The overvoltage time delay module comprises the first electric coupling coil L1 and the second electric coupling coil L2; The differential mode over-voltage protection module comprises the 3rd rheostat MOV3, the 3rd temperature switch K3 and the 3rd fuse F3.Lightning protection device places the Switching Power Supply prime, and maximum lightning protection can reach 40KA thunderbolt dash current, has improved more than one lightning protection grade than existing LED street lamp lightning-protection system.
Power input line 21.2 comprises live wire L, zero line N and ground wire PE, the first rheostat MOV1, one end that the common mode overvoltage suppresses module is connected with live wire, the other end is connected with ground wire by the first temperature switch K1, the first fuse F1, discharge tube G successively, the second rheostat MOV2, one end is connected with zero line, and the other end is connected with ground wire by the second temperature switch K2, the second fuse F2, discharge tube successively; The first electric coupling coil L1 of overvoltage time delay module and the second electric coupling coil L2 are connected on live wire and the zero line; The 3rd rheostat MOV3 one end of differential mode over-voltage protection module is connected with live wire, and the other end is connected with zero line with the 3rd fuse F3 by the 3rd temperature switch K3 successively.Lightning protection device places the Switching Power Supply prime, and maximum lightning protection can reach 40KA thunderbolt dash current, has improved more than one lightning protection grade than existing LED street lamp lightning-protection system.
LED lamp group comprises aluminium base 7, reflection shield 4 and some LED lamp pearls 6, aluminium base is close to the inner top surface that is arranged on radiator 12 bases 12.2, reflection shield is arranged on the aluminium base bottom, and LED lamp pearl passes reflection shield and the uniform aluminium base bottom surface that is arranged on, and LED lamp pearl also is arranged with lens 5.Lens adopt the material of high light transmittance to make, and the lens inwall is provided with groove, is convenient to be buckled on the LED lamp pearl, and lens also are provided with the screw hole position, are convenient to fixed lens.LED lamp pearl is welded on its parallel SMT that misplaces on the aluminium base by the LED lamp plate, is fixed on the inner top surface of radiator with many screw formations again; Every LED lamp pearl is joined the lens that the high also energy of light transmittance cooperated with LED lamp pearl sends rectangular light spot; The reflection shield made from the high light face aluminium of reflectivity is located above, and reflection shield is fixed with screw, can solve the lamp body dazzle and improve the lamp body light efficiency.
Drive end bearing bracket 16 is provided with inner chamber 16.1, and intelligent control circuit board 14 is arranged in the inner chamber by support 15.Rear end cap 9 rear sides are provided with holder 9.1, and lamp stand sleeve 10.2 front ends are provided with sliding seat 10.1, fixedly connected with holder by screw 25 nuts 26; Holder, sliding seat are all rounded, and both contact-making surfaces cooperate by anti-skidding groove 9.2 location, and the sliding seat outside also is provided with scale 10.3.Drive end bearing bracket 16 surfaces are provided with the pressure balance sleeve pipe 16.2 that is communicated with and has pressure compensation opening 16.3 with its inner chamber 16.1, and the pressure balance sleeve pipe is provided with respirator 17.Respirator adopts high-quality plastic parts and soft rubber to cooperate and forms, and be designed to circle, interior empty, be convenient to be installed on the pressure balance sleeve pipe 16.2 of street lamp drive end bearing bracket, comprise rubber sleeve 17.3, hard cover 17.1, and ventilative, the good nanometer technology active carbon diaphragm 17.2 of water resistance, rubber sleeve one end and the socket of pressure balance sleeve pipe, the other end is provided with the active carbon diaphragm and joins, and is inserted in the hard cover.Drive end bearing bracket has adopted interior vacancy reason, is convenient to install the wiring board of intelligence control system, and this wiring board and main thermal source are separated, and has improved the components and parts life-span; Also be provided with groove on the drive end bearing bracket, be used to place the preceding water proof ring of sealing usefulness, be convenient to the lamp body waterproof; Pressure balance sleeve pipe 16.2 is the circular columns of interior sky, conveniently respirator is installed in the peak of street lamp, helps lamp body exhaust, protection against the tide, constant voltage.Also designing on the drive end bearing bracket has corresponding screw hole position, is convenient to connect radiator, makes lamp body form an integral body; Also designing on the drive end bearing bracket has spiro keyhole position, is convenient to install anti-timber bolt, makes the Switching Power Supply output line by reaching waterproof effect.
The lightning protection device operation principle:
When thunder and lightning takes place, on the live wire L of input power cord and zero line N, can produce high voltage.Under this action of high voltage, the common mode overvoltage of lightning protection device inside inhibition modular circuit can be low resistance in nanosecond breakdown, is equivalent to the short circuit to ground wire PE, the most transient energy of releasing.This situation is recoverable, and after high pressure was withdrawn, it reverted to the high resistant situation again.Remaining transient energy is passed through the overvoltage time delay module circuit of lightning protection device inside again, and this part adopts inductive, utilizes the principle that electric current can not suddenly change in the inductance, plays the effect of a time-delay.For the late-class circuit protection gains time, alleviate pressure simultaneously to the back level.Pass through the differential mode over-voltage protection module circuit of lightning protection device inside again, further limit the overvoltage between live wire L and the zero line N line, make the overvoltage of output be controlled under the voltage levvl of anti-damage of back level Switching Power Supply.
The lightning protection device technical parameter:
| Nominal voltage | AC220V |
| Maximum Uc | AC275V |
| Nominal discharge current (8/20us) | 20KA |
| Maximum discharge current (8/20us) | 40KA |
| Nominal load current | ≤5A |
| Leakage current | ≤5uA |
| Nominal voltage | AC220V |
| Response time | ≤25ns |
| The voltage protection level | ≤900V |
Claims (10)
1. LED street lamp with lightning protection function, comprise by LED lamp group, Switching Power Supply (20), lightning protection device (21) and the external lamp body that constitutes at the radiator (12) at LED lamp group back, it is characterized in that power input line (21.2) is electrically connected with LED lamp group through lightning protection device, Switching Power Supply successively; Lightning protection device is fixedly installed on the radiator, and it comprises that the common mode overvoltage suppresses module (28), overvoltage time delay module (29) and differential mode over-voltage protection module (30); The common mode overvoltage suppresses module and comprises first rheostat (MOV1), first temperature switch (K1), first fuse (F1), second rheostat (MOV2), second temperature switch (K2), second fuse (F2) and discharge tube (G); The overvoltage time delay module comprises the first electric coupling coil (L1) and the second electric coupling coil (L2); The differential mode over-voltage protection module comprises the 3rd rheostat (MOV3), the 3rd temperature switch (K3) and the 3rd fuse (F3).
2. according to the LED street lamp of the described band lightning protection function of claim 1, it is characterized in that described power input line (21.2) comprises live wire (L), zero line (N) and ground wire (PE), first rheostat (MOV1) end that the common mode overvoltage suppresses module is connected with live wire, the other end is connected with ground wire by first temperature switch (K1), first fuse (F1), discharge tube (G) successively, second rheostat (MOV2) end is connected with zero line, and the other end is connected with ground wire by second temperature switch (K2), second fuse (F2), discharge tube successively; The first electric coupling coil (L1) and the second electric coupling coil (L2) of overvoltage time delay module are connected on live wire and the zero line; The 3rd rheostat (MOV3) end of differential mode over-voltage protection module is connected with live wire, and the other end is connected with zero line with the 3rd fuse (F3) by the 3rd temperature switch (K3) successively.
3. according to the LED street lamp of the described band lightning protection function of claim 1, it is characterized in that described lightning protection device (21), Switching Power Supply (20) bottom are connected with the outer end face of radiator (12) by fixed head (22) and connector; The lightning protection device input is connected with power input line (21.2), and output is provided with lightning protection device plug (21.1); The Switching Power Supply input/output terminal is connected with supply socket (20.2) and attaching plug (20.1) respectively, and supply socket and lightning protection device plug are pegged graft; LED lamp group is electrically connected with lamp group socket (19), pegs graft with attaching plug; LED lamp group is electrically connected with lamp group socket by intelligent control circuit board (14).
4. according to the LED street lamp of the described band lightning protection function of claim 3, it is characterized in that described radiator (12) comprises base (12.2) and radiating fin (12.1), both are one-body molded, are the section bar shape, and base is channel steel shape, fixedly connected with LED lamp group in inside; The radiating fin parallel longitudinal is arranged in the outer end face of base, and its cross section is curved.
5. according to the LED street lamp of the described band lightning protection function of claim 4, it is characterized in that described radiator (12) two ends are connected with drive end bearing bracket (16) and rear end cap (9) respectively, the drive end bearing bracket rear side is tightly connected by preceding waterproof bar (13) and radiator front end face, rear end cap is L-shaped, the front side is tightly connected by back waterproof bar (8) and radiator rear end face, and rear side is connected with lamp stand sleeve (10.2); Drive end bearing bracket also is connected by long bolt (23) with rear end cap, and long bolt passes forward and backward end cap, and two ends are connected with bulb nut (24), and radiator compresses and is arranged between the forward and backward end cap.
6. according to the LED street lamp of the described band lightning protection function of claim 5, it is characterized in that described drive end bearing bracket (16) is provided with inner chamber (16.1), intelligent control circuit board (14) is arranged in the inner chamber by support (15).
7. according to the LED street lamp of the described band lightning protection function of claim 5, it is characterized in that described rear end cap (9) rear side is provided with holder (9.1), lamp stand sleeve (10.2) front end is provided with sliding seat (10.1), and sliding seat is fixedlyed connected with holder by screw (25) nut (26); Holder, sliding seat are all rounded, and both contact-making surfaces cooperate by anti-skidding groove (9.2) location, and the sliding seat outside also is provided with scale (10.3).
8. according to the LED street lamp of the described band lightning protection function of claim 5, it is characterized in that described drive end bearing bracket (16) surface is provided with the pressure balance sleeve pipe (16.2) that is communicated with its inner chamber (16.1), the pressure balance sleeve pipe is provided with respirator (17), respirator comprises rubber sleeve (17.3), active carbon diaphragm (17.2) and hard cover (17.1), rubber sleeve one end and the socket of pressure balance sleeve pipe, the other end is provided with the active carbon diaphragm and joins, and is inserted in the hard cover.
9. according to the LED street lamp of the described band lightning protection function of claim 1, it is characterized in that described LED lamp group comprises aluminium base (7), reflection shield (4) and some LED lamp pearls (6), aluminium base is close to the inner top surface that is arranged on radiator (12) base (12.2), reflection shield is arranged on the aluminium base bottom, LED lamp pearl passes reflection shield and the uniform aluminium base bottom surface that is arranged on, and LED lamp pearl also is arranged with lens (5); Described reflection shield (4) below also is provided with transparent glass (2), and the transparent glass left and right sides is tightly connected by side seal bar (11) and radiator (12) bottom, and the rear and front end is tightly connected by front and back sealing strip (3) and forward and backward end cap bottom; Transparent glass compresses by glazing bead (1) and is arranged on the radiator bottom.
10. according to the LED street lamp of the described band lightning protection function of claim 9, it is characterized in that described glazing bead (1) is channel steel shape, fixedly connected with radiator (12) that opening is towards the radiator sidewall by screw (27); The radiator side-wall shaft is to being provided with fluting (12.3), and the glazing bead upside is fastened in the fluting, and downside is positioned at the below of transparent glass (2) side margins; Screw is worn in fluting from the radiator top, is threaded with the glazing bead upside.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200272319U CN201589156U (en) | 2010-01-15 | 2010-01-15 | LED street lamp with lightning protection function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200272319U CN201589156U (en) | 2010-01-15 | 2010-01-15 | LED street lamp with lightning protection function |
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| CN201589156U true CN201589156U (en) | 2010-09-22 |
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| CN2010200272319U Expired - Fee Related CN201589156U (en) | 2010-01-15 | 2010-01-15 | LED street lamp with lightning protection function |
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| CN102748661A (en) * | 2012-06-14 | 2012-10-24 | 横店集团浙江得邦公共照明有限公司 | Road lighting field test operation mechanism |
| 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 |
| CN102769283A (en) * | 2011-05-06 | 2012-11-07 | 余明友 | Lightning protection device for data transmission cable of remote sensing digital seismograph |
| CN103368164A (en) * | 2012-04-01 | 2013-10-23 | 华为终端有限公司 | Anti-lightning circuit, switching power supply and anti-lightning method |
| WO2014029772A1 (en) | 2012-08-20 | 2014-02-27 | Schreder | Method of and system for isolating led luminaires from electrical surges |
| CN109067201A (en) * | 2018-11-12 | 2018-12-21 | 电子科技大学中山学院 | Switching power supply for rain-proof and lightning protection engineering |
| CN109274063A (en) * | 2018-10-25 | 2019-01-25 | 成都标定科技有限责任公司 | A kind of overvoltage/undervoltage protection type LED streetlamp power source lightning protection device |
| CZ307763B6 (en) * | 2017-10-17 | 2019-04-17 | KIWA s.k., s.r.o. | Overvoltage protection for public LED lighting fixtures |
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Cited By (12)
| 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 |
| CN102769283A (en) * | 2011-05-06 | 2012-11-07 | 余明友 | Lightning protection device for data transmission cable of remote sensing digital seismograph |
| CN103368164A (en) * | 2012-04-01 | 2013-10-23 | 华为终端有限公司 | Anti-lightning circuit, switching power supply and anti-lightning method |
| US9391445B2 (en) | 2012-04-01 | 2016-07-12 | Huawei Device Co., Ltd. | Surge protection circuit, switching power supply, and surge protection method |
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