CN110985978A

CN110985978A - LED street lamp with adjustable light-emitting area

Info

Publication number: CN110985978A
Application number: CN201911299009.6A
Authority: CN
Inventors: 李明; 李飞; 姜薇; 胡静; 周福健; 李玖敏
Original assignee: Yangzhou Yuefeng Lighting Equipment Co ltd
Current assignee: Yangzhou Yuefeng Lighting Equipment Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-04-10

Abstract

The invention relates to the technical field of LED street lamps, in particular to an LED street lamp capable of adjusting a light-emitting area, which comprises a lamp post, wherein lamp arms are fixedly connected to two sides of the lamp post, a light-emitting area adjusting device is fixedly connected to one side, away from the lamp post, of the bottom of each lamp arm, a tripod is fixedly connected to the top of the left side of the lamp post, a cleaning device is fixedly connected to the top of the tripod, a supporting rod is movably connected to the top of the right side of the lamp post, an angle adjusting device is movably connected to the right side of the lamp post, the angle adjusting device is located below the supporting rod, and. The LED lamp can drive the convex lens to move up and down, when the convex lens is close to the LED lamp, light emitted by the LED lamp can be condensed, so that the penetrating power of the LED lamp is stronger, illumination is provided for people when the visibility is low in foggy days, and when the convex lens is far away from the LED lamp, the light emitted by the LED lamp can be diffused, so that the light emitting area is increased to meet different requirements.

Description

LED street lamp with adjustable light-emitting area

Technical Field

The invention relates to the technical field of LED street lamps, in particular to an LED street lamp with an adjustable light emitting area.

Background

Street lamps are lamps and lanterns that provide the illumination function for the road, generally refer to the lamps and lanterns in the road surface illumination scope in the traffic lighting. The street lamp has the irreplaceable function on the road where people go out, can indicate the road where people go forward, brings the sense of safety to people, and is a beautiful landscape line at the same time.

Its luminous area of present most street lamps is fixed unchangeable, except that changing whole street lamp, however in heavy fog weather, visibility is lower, and LED street lamp can't provide better illumination, if the dust is too much on the solar panel simultaneously, still can reduce the efficiency of absorbing solar energy, for this reason, we provide an adjustable luminous area's LED street lamp.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the LED street lamp with the adjustable light-emitting area, which has the advantage of adjusting the light-emitting area and solves the problems that the LED street lamp cannot provide better illumination in foggy weather and low visibility, the light-emitting area of the LED street lamp is fixed and the solar energy absorption efficiency is reduced if the solar panel has too much dust.

(II) technical scheme

In order to achieve the technical problem, the invention provides the LED street lamp with the adjustable light-emitting area, which comprises a lamp post, wherein lamp arms are fixedly connected to two sides of the lamp post, one side, far away from the lamp post, of the bottom of each lamp arm is fixedly connected with a light-emitting area regulating device, the top of the left side of the lamp post is fixedly connected with a tripod, the top of the tripod is fixedly connected with a cleaning device, the top of the right side of the lamp post is movably connected with a support rod, the right side of the lamp post is movably connected with an angle regulating device, the angle regulating device is positioned below the support rod, and one sides, far away from the lamp post, of the.

Further, the luminous area regulation and control device is including the mounting box, top fixedly connected with mounting panel between the mounting box inner wall, the round hole that runs through is all seted up to the both sides of mounting panel, the bottom fixedly connected with LED lamp of mounting panel.

Furthermore, the light-emitting area regulating device also comprises a double-shaft motor, the top of the double-shaft motor is fixedly connected with the middle part of the inner top wall of the mounting box, the output shafts at two sides of the double-shaft motor are fixedly connected with a rotating shaft through a coupler, one end of the rotating shaft far away from the double-shaft motor is fixedly sleeved with a first bevel gear, a ball screw is movably inserted in the round hole, a second bevel gear is fixedly sleeved on the top of the ball screw, the teeth of the second bevel gear are engaged with the teeth of the first bevel gear, support plates are fixedly connected to the bottoms of the two sides of the inner wall of the mounting box, bearings are fixedly connected to the tops of the support plates, the bottom of the ball screw is fixedly connected with the inner ring of the bearing, a convex lens is arranged right below the LED lamp, ball nuts are inlaid on two sides of the convex lens, and the ball nuts are sleeved on the outer surface of the ball screw in a threaded mode.

Further, the cleaning device comprises a water tank, and a through pipe is fixedly communicated with the middle of the top of the water tank. The fixed intercommunication in top of siphunculus has the cover of intaking, the equal fixedly connected with slide rail in both sides of inner wall of the water tank, the inside sliding connection of slide rail has the slider, one side fixedly connected with horizontal pole, two of slide rail are kept away from to the slider fixedly connected with horizontal pole between the horizontal pole, the top fixed connection montant of fixed block, the top fixedly connected with water of montant floats, the top fixedly connected with seal block that water floats.

Furthermore, the cleaning device further comprises a water pump, the water pump is placed on the inner bottom wall of the water tank, the output end of the water pump is communicated with the water tank, the output end of the water pump is fixedly communicated with a connecting pipe, the top of the front side of the solar panel is fixedly connected with a drain pipe, one end, away from the water pump, of the connecting pipe is fixedly communicated with the middle of the top of the drain pipe, and the bottom of the drain pipe is equidistantly provided with through drain holes.

Further, the middle part fixedly connected with filter screen between the water inlet cover inner wall, sealed piece is located the siphunculus under, and the diameter of sealed piece equals with the internal diameter of siphunculus.

Further, angle adjusting device is including the control tube, the middle part of control tube both sides is inlayed respectively and is had first screw thread sleeve pipe and second screw thread sleeve pipe, first screw thread sheathed tube internal thread is pegged graft and is had first threaded rod, second screw thread sheathed tube internal thread is pegged graft and is had the second threaded rod, and the screw thread opposite direction of first threaded rod and second threaded rod, the one end swing joint that the control tube was kept away from to first threaded rod is on the right side of lamp pole, the one end swing joint that the control tube was kept away from to the second threaded rod is in the bottom at the solar panel back, the fixed rubber sleeve that has cup jointed in the middle part of control tube surface.

Furthermore, the opposite surfaces of the first threaded rod and the second threaded rod are fixedly connected with limiting blocks, and the diameters of the limiting blocks are larger than the inner diameters of the first threaded sleeve and the second threaded sleeve.

Furthermore, the two sides of the lamp post are fixedly connected with support frames, the top of each support frame is fixedly connected to the bottom of the corresponding lamp arm, and the bottom of the lamp post is fixedly connected with a base.

(III) advantageous effects

The invention provides an LED street lamp with adjustable light-emitting area, which has the following beneficial effects:

1. this LED street lamp of adjustable light-emitting area, setting through light-emitting area regulation and control device, biax motor work operation can make the axis of rotation rotatory, drive second bevel gear through first bevel gear and rotate, can make ball screw take place to rotate, ball nut screw thread cup joints on ball screw, and two ball nuts inlay the both sides at convex lens, can drive the removal about convex lens, when convex lens is close to the LED lamp, can make the light that the LED lamp sent condense, make its penetrating power stronger, provide the illumination for people when foggy day visibility is lower, when the LED lamp is kept away from to convex lens, can make the light that the LED lamp sent disperse, increase light-emitting area with this and answer different demands.

2. This LED street lamp of adjustable light-emitting area, through belt cleaning device's setting, can collect the rainwater on the one hand, improve the utilization efficiency of rainwater, saved the consumption of water resource, on the other hand can be washd solar panel with the rainwater derivation in the water tank, has improved solar panel's work efficiency.

3. This LED street lamp of adjustable light-emitting area, through the water tank, the siphunculus, the cover of intaking, the filter screen, the cooperation of water float and sealed piece is used, weather in the rain, the rainwater can get into the inside to the water tank from the cover of intaking, the filter screen filters the impurity of rainwater, get into to the water tank after the rainwater, water floats can slowly float, drive the inside that sealed piece rebound inserted the siphunculus, prevent the entering that external rainwater goes on, prevent that the left overweight problem that leads to the lamp pole to take place the slope of lamp pole, guarantee the equilibrium of lamp pole both sides.

4. This LED street lamp of adjustable light-emitting area uses through the cooperation of slide rail, slider, horizontal pole, fixed block and montant, and the slider slides in the inside of slide rail, has played the effect of location to water floating for water floating can only vertically reciprocate, and can not take place the condition of skew, and then makes the inside of inserting to the siphunculus that sealed piece can be accurate.

5. This LED street lamp of adjustable light-emitting area, through the cooperation use of water pump, connecting pipe, drain pipe and wash port, the rainwater in the water tank can be extracted to water pump work operation, discharges from the wash port through connecting pipe and drain pipe, and water spraying can be cleaned solar panel on solar panel, clears away solar panel totally, avoids solar panel to go up the too much efficiency that reduces the absorption solar energy of dust, has improved solar panel's work efficiency.

6. This LED street lamp of adjustable light-emitting area, setting through angle adjusting device, because the screw thread opposite direction on first threaded rod and the second threaded rod, install the back at solar panel, at clockwise rotation control tube, can make first threaded rod and second threaded rod remove to relative one side, during anticlockwise rotation control tube, can make first threaded rod and second threaded rod remove to opposite one side, thereby can adjust solar panel's angle, make solar panel better face the sun, solar panel has strengthened the efficiency that solar panel absorbs solar energy.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a light-emitting area control device according to the present invention;

FIG. 3 is a schematic view of the cleaning apparatus according to the present invention;

FIG. 4 is a front view of a solar panel structure according to the present invention;

FIG. 5 is a sectional view of the angle adjusting device according to the present invention;

fig. 6 is a front view of the angle adjusting device of the present invention.

In the figure: 1 lamp pole, 2 lamp arms, 3 light-emitting area regulating and controlling devices, 301 mounting boxes, 302 mounting plates, 303 round holes, 304LED lamps, 305 double-shaft motors, 306 rotating shafts, 307 first bevel gears, 308 ball screws, 309 second bevel gears, 310 bearings, 311 supporting plates, 312 convex lenses, 313 ball nuts, 4 tripods, 5 cleaning devices, 501 water tanks, 502 through pipes, 503 water inlet covers, 504 filter screens, 505 sliding rails, 506 sliding blocks, 507 cross bars, 508 fixing blocks, 509 vertical rods, 510 water floats, 511 sealing blocks, 512 water pumps, connecting

pipes

513, 514 water discharge pipes, 515 water discharge holes, 6 supporting rods, 7 angle adjusting devices, 701 adjusting pipes, 702 first threaded sleeves, second threaded sleeves, 704 first threaded rods, 703 second threaded rods, 706 limiting blocks, 707 rubber sleeves, 8 solar panels, 705 supporting frames and 10 bases.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1-6, an LED street lamp capable of adjusting a light emitting area, comprising a lamp post 1, a lamp arm 2 fixedly connected to both sides of the lamp post 1, a light emitting area adjusting and controlling device 3 fixedly connected to one side of the lamp arm 2 away from the lamp post 1, a tripod 4 fixedly connected to the left side of the lamp post 1, a cleaning device 5 fixedly connected to the top of the tripod 4, a supporting rod 6 movably connected to the right side of the lamp post 1, an angle adjusting device 7 movably connected to the right side of the lamp post 1, the angle adjusting device 7 located below the supporting rod 6, a solar panel 8 movably connected to one side of the supporting rod 6 and the angle adjusting device 7 away from the lamp post 1, a supporting frame 9 fixedly connected to both sides of the lamp post 1, a top fixed connection of the supporting frame 9 at the bottom of the lamp arm.

Luminous area regulation and control device 3 is including mounting box 301, top fixedly connected with mounting panel 302 between mounting box 301 inner wall, and the round hole 303 that runs through, the bottom fixedly connected with LED lamp 304 of mounting panel 302 are all seted up to the both sides of mounting panel 302.

The light-emitting area regulating device 3 further comprises a double-shaft motor 305, the top of the double-shaft motor 305 is fixedly connected to the middle of the inner top wall of the mounting box 301, output shafts on two sides of the double-shaft motor 305 are fixedly connected with a rotating shaft 306 through a coupler, one end of the rotating shaft 306 far away from the double-shaft motor 305 is fixedly connected with a first bevel gear 307, a ball screw 308 is movably inserted in the circular hole 303, the top of the ball screw 308 is fixedly connected with a second bevel gear 309, teeth of the second bevel gear 309 are meshed with teeth of the first bevel gear 307, support plates 311 are fixedly connected to the bottoms on two sides of the inner wall of the mounting box 301, a bearing 310 is fixedly connected to the top of each support plate 311, the bottom of each ball screw 308 is fixedly connected with the inner ring of the bearing 310, a convex lens 312 is arranged right below the LED lamp 304, ball nuts 313 are embedded on two sides of, through the setting of light-emitting area regulation and control device 3, biax motor 305 work operation can make axis of rotation 306 rotatory, drive second bevel gear 309 through first bevel gear 307 and rotate, can make ball screw 308 take place to rotate, ball nut 313 screw sleeve connects on ball screw 308, and two ball nuts 313 inlay the both sides at convex lens 312, can drive the removal about convex lens 312, when convex lens 312 is close to LED lamp 304, can make the light that LED lamp 304 sent condense, make its penetrating power stronger, provide the illumination for people when the visibility is lower in the greasy weather, when convex lens 312 keeps away from LED lamp 304, can make the light that LED lamp 304 sent diverge, increase the light-emitting area with this and deal with different demands.

The cleaning device 5 comprises a water tank 501, and a through pipe 502 is fixedly communicated with the middle of the top of the water tank 501. The top of the through pipe 502 is fixedly communicated with a water inlet cover 503, two sides of the inner wall of the water tank 501 are fixedly connected with slide rails 505, the inside of each slide rail 505 is slidably connected with a slide block 506, one side, far away from the slide rails 505, of each slide block 506 is fixedly connected with a cross rod 507, the slide rails 505, the slide blocks 506, the cross rods 507, fixing blocks 508 and vertical rods 509 are matched for use, each slide block 506 slides inside the corresponding slide rail 505 to position the corresponding water float 510, so that the water float 510 can only vertically move up and down without deflection, the sealing blocks 511 can be accurately inserted into the through pipe 502, the fixing blocks 508 are fixedly connected between the two cross rods 507, the top of each fixing block 508 is fixedly connected with the corresponding vertical rod 509, the top of the corresponding vertical rod 509 is fixedly connected with the water float 510, the top of the water float 510 is fixedly connected with the sealing blocks 511, and rainwater can, improve the utilization efficiency of rainwater, the consumption of water resource has been saved, on the other hand can be with the rainwater derivation in the water tank 501 wash solar panel 8, solar panel's work efficiency has been improved, through water tank 501, siphunculus 502, cover 503 intakes, filter screen 504, the cooperation of water float 510 and sealed piece 511 is used, weather at the rain, the rainwater can be followed cover 503 that intakes and is got into the inside of water tank 501, filter screen 504 filters the impurity in the rainwater, after the rainwater got into water tank 501, water float 510 can slowly float, drive the inside that sealed piece 511 rebound inserted siphunculus 502, prevent the entering that external rainwater goes on, prevent that the problem that lamp pole 1 takes place the slope because of the left overweight of lamp pole 1, guarantee the equilibrium of lamp pole 1 both sides.

The cleaning device 5 further comprises a water pump 512, the water pump 512 is placed on the inner bottom wall of the water tank 501, the output end of the water pump 512 is communicated with the water tank 501, the output end of the water pump 512 is fixedly communicated with a connecting pipe 513, the top of the front surface of the solar panel 8 is fixedly connected with a drain pipe 514, one end of the connecting pipe 513, which is far away from the water pump 512, is fixedly communicated with the middle part of the top of the drain pipe 514, the bottom of the drain pipe 514 is equidistantly provided with through, through the cooperation use of water pump 512, connecting pipe 513, drain pipe 514 and wash port 515, the rainwater in water pump 512 work operation can be to water tank 501 is extracted, discharge from wash port 515 through connecting pipe 513 and drain pipe 514, and water spraying can be cleaned solar panel 8 on solar panel 8, clears away solar panel 8 totally, avoids solar panel 8 to go up the too much efficiency that reduces the absorption solar energy of dust, has improved solar panel's work efficiency.

The middle part between the inner walls of the water inlet cover 503 is fixedly connected with a filter screen 504, the sealing block 511 is positioned right below the through pipe 502, and the diameter of the sealing block 511 is equal to the inner diameter of the through pipe 502.

The angle adjusting device 7 comprises an adjusting tube 701, a first threaded sleeve 702 and a second threaded sleeve 703 are respectively embedded in the middle of two sides of the adjusting tube 701, a first threaded rod 704 is inserted in the internal threads of the first threaded sleeve 702, a second threaded rod 705 is inserted in the internal threads of the second threaded sleeve 703, the thread directions of the first threaded rod 704 and the second threaded rod 705 are opposite, one end of the first threaded rod 704, which is far away from the adjusting tube 701, is movably connected to the right side of the lamp post 1, one end of the second threaded rod 705, which is far away from the adjusting tube 701, is movably connected to the bottom of the back of the solar panel 8, a limiting block 706 is fixedly connected to the opposite surface of the first threaded rod 704 and the second threaded rod 705, the diameter of the limiting block 706 is larger than the inner diameters of the first threaded sleeve 702 and the second threaded sleeve, a rubber sleeve 707 is fixedly sleeved in the middle of the outer surface, because the screw thread directions on first threaded rod 704 and second threaded rod 705 are opposite, after solar panel 8 is installed, clockwise rotation adjusting pipe 701 can make first threaded rod 704 and second threaded rod 705 move to opposite one side, during anticlockwise rotation adjusting pipe 701, can make first threaded rod 704 and second threaded rod 705 move to opposite one side to can adjust solar panel 8's angle, make solar panel 8 better face the sun, strengthened solar panel 8 and absorbed the efficiency of solar energy.

The working principle is as follows: after the solar panel 8 is installed, the first threaded rod 704 and the second threaded rod 705 are opposite in thread direction, the adjusting pipe 701 is rotated clockwise, the first threaded rod 704 and the second threaded rod 705 can move to opposite sides, when the adjusting pipe 701 is rotated counterclockwise, the first threaded rod 704 and the second threaded rod 705 can move to opposite sides, so that the angle of the solar panel 8 can be adjusted, the solar panel 8 better faces the sun, the efficiency of the solar panel 8 for absorbing solar energy is enhanced, rainwater can enter the water tank 501 from the water inlet cover 503 in rainy days, the filter screen 504 filters impurities in the rainwater, after the rainwater enters the water tank 501, the water float 510 can slowly float, the sealing block 511 is driven to move upwards to be inserted into the through pipe 502, the external rainwater is prevented from entering, and the problem that the lamp post 1 is inclined due to overweight on the left side of the lamp post 1 is prevented, the balance of the two sides of the lamp post 1 is ensured, the water pump 512 can extract rainwater in the water tank 501 in working operation, the rainwater is discharged from the water discharge hole 515 through the connecting pipe 513 and the water discharge pipe 514, the solar panel 8 can be cleaned by spraying water on the solar panel 8, the solar panel 8 is cleaned, the solar panel 8 is prevented from being excessively dusted to reduce the efficiency of absorbing solar energy, the working efficiency of the solar panel is improved, the rotating shaft 306 can be rotated by the working operation of the double-shaft motor 305, the second bevel gear 309 can be driven to rotate by the first bevel gear 307, the ball screw 308 can be rotated, the ball nut 313 is sleeved on the ball screw 308 in a threaded manner, the two ball nuts 313 are embedded at the two sides of the convex lens 312 to drive the convex lens 312 to move up and down, when the convex lens 312 is close to the LED lamp 304, light emitted by the LED lamp 304 can be condensed, and, the LED lamp 304 can provide illumination for people in foggy days when the visibility is low, and when the convex lens 312 is far away from the LED lamp 304, the light emitted by the LED lamp 304 can be diffused, so that the light emitting area is increased to meet different requirements.

The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of the power supply also belongs to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an adjustable light-emitting area's LED street lamp, includes lamp pole (1), its characterized in that: the equal fixedly connected with arm (2) in both sides of lamp pole (1), one side fixedly connected with light-emitting area regulation and control device (3) of lamp pole (1) are kept away from to the bottom of arm (2), left top fixedly connected with tripod (4) of lamp pole (1), the top fixedly connected with belt cleaning device (5) of tripod (4), the top swing joint on lamp pole (1) right side has branch (6), the right side swing joint of lamp pole (1) has angle adjusting device (7), and angle adjusting device (7) are located the below of branch (6), one side swing joint that lamp pole (1) were kept away from to branch (6) and angle adjusting device (7) has solar panel (8).

2. The LED street lamp with the adjustable light-emitting area as claimed in claim 1, wherein: luminous area regulation and control device (3) are including mounting box (301), top fixedly connected with mounting panel (302) between mounting box (301) inner wall, round hole (303) that run through are all seted up to the both sides of mounting panel (302), the bottom fixedly connected with LED lamp (304) of mounting panel (302).

3. The LED street lamp with the adjustable light-emitting area as claimed in claim 2, wherein: the light-emitting area regulating device (3) further comprises a double-shaft motor (305), the top of the double-shaft motor (305) is fixedly connected to the middle of the inner top wall of the mounting box (301), output shafts on two sides of the double-shaft motor (305) are fixedly connected with a rotating shaft (306) through a coupler, one end, far away from the double-shaft motor (305), of the rotating shaft (306) is fixedly sleeved with a first bevel gear (307), a ball screw (308) is movably inserted into the inside of the round hole (303), the top of the ball screw (308) is fixedly sleeved with a second bevel gear (309), teeth of the second bevel gear (309) are meshed with teeth of the first bevel gear (307), support plates (311) are fixedly connected to the bottoms of two sides of the inner wall of the mounting box (301), bearings (310) are fixedly connected to the tops of the support plates (311), and bottoms of the ball screws (308) are fixedly connected with, be provided with convex lens (312) under LED lamp (304), ball nut (313) have all been inlayed to the both sides of convex lens (312), and ball nut (313) screw thread cup joints the surface at ball screw (308).

4. The LED street lamp with the adjustable light-emitting area as claimed in claim 1, wherein: the cleaning device (5) comprises a water tank (501), and a through pipe (502) is fixedly communicated with the middle of the top of the water tank (501); the fixed intercommunication in top of siphunculus (502) has into water cover (503), the equal fixedly connected with slide rail (505) in both sides of water tank (501) inner wall, the inside sliding connection of slide rail (505) has slider (506), one side fixedly connected with horizontal pole (507) of slide rail (505) is kept away from in slider (506), two fixedly connected with fixed block (508) between horizontal pole (507), top fixed connection montant (509) of fixed block (508), the top fixedly connected with water of montant (509) floats (510), the top fixedly connected with seal block (511) that water floated (510).

5. The LED street lamp with the adjustable light-emitting area as claimed in claim 4, wherein: belt cleaning device (5) are still including water pump (512), inner diapire at water tank (501) is placed in water pump (512), the output and water tank (501) the intercommunication of water pump (512), the fixed intercommunication of output of water pump (512) has connecting pipe (513), solar panel (8) positive top fixedly connected with drain pipe (514), the one end of water pump (512) and the fixed intercommunication in middle part at drain pipe (514) top are kept away from in connecting pipe (513), the bottom equidistance of drain pipe (514) is seted up wash port (515) that run through.

6. The LED street lamp with the adjustable light-emitting area as claimed in claim 4, wherein: the middle part fixedly connected with filter screen (504) between water inlet cover (503) inner wall, sealed piece (511) are located siphunculus (502) under, and the diameter of sealed piece (511) is equal with the internal diameter of siphunculus (502).

7. The LED street lamp with the adjustable light-emitting area as claimed in claim 1, wherein: the angle adjusting device (7) comprises an adjusting pipe (701), a first threaded sleeve (702) and a second threaded sleeve (703) are respectively inlaid in the middle of two sides of the adjusting pipe (701), a first threaded rod (704) is inserted into the internal threads of the first threaded sleeve (702), a second threaded rod (705) is inserted into the internal threads of the second threaded sleeve (703), the thread directions of the first threaded rod (704) and the second threaded rod (705) are opposite, one end, far away from the adjusting pipe (701), of the first threaded rod (704) is movably connected to the right side of the lamp post (1), one end, far away from the adjusting pipe (701), of the second threaded rod (705) is movably connected to the bottom of the back face of the solar panel (8), and a rubber sleeve (707) is fixedly sleeved in the middle of the outer surface of the adjusting pipe (701).

8. The LED street lamp with the adjustable light-emitting area as claimed in claim 7, wherein: the opposite surfaces of the first threaded rod (704) and the second threaded rod (705) are fixedly connected with a limiting block (706), and the diameter of the limiting block (706) is larger than the inner diameters of the first threaded sleeve (702) and the second threaded sleeve (703).

9. The LED street lamp with the adjustable light-emitting area as claimed in claim 1, wherein: the lamp post is characterized in that support frames (9) are fixedly connected to two sides of the lamp post (1), the top of each support frame (9) is fixedly connected to the bottom of the corresponding lamp arm (2), and a base (10) is fixedly connected to the bottom of the lamp post (1).