Heat dissipation street lamp

Abstract

The invention discloses a heat dissipation street lamp, which belongs to the technical field of street lamps and comprises a lamp post, a lamp arm is arranged on the lamp post, a lamp shell is arranged on the lamp arm, an LED chip is arranged in the lamp shell, a rotating shaft is rotatably arranged on the inner top surface of the lamp shell, a plurality of fan blades are arranged on the rotating shaft, a plurality of exhaust holes are formed in the inner top surface of the lamp shell, and a connecting rod is arranged on the lamp post. A connecting pipe penetrates through the top face of the connecting rod, the top end of the connecting pipe is sleeved with a sleeve, the sleeve is rotationally connected with the connecting pipe, an installation box is fixed to the top face of the sleeve, a first rotating shaft penetrates through the side face of the installation box, and a wind wheel is fixed to the end face, away from the installation box, of the first rotating shaft. A transmission assembly used for driving the rotating shaft to rotate is arranged on the first rotating shaft, and a driving assembly used for driving the sleeve to rotate is arranged on the connecting pipe. The LED lamp has the effects that the direction of the wind wheel is conveniently adjusted, the wind wheel is conveniently blown by wind power, and the fan blades rotate to conduct air-cooling heat dissipation on the interior of the lamp shell.

Description

Technical Field

[0001] The present invention relates to the technical field of street lamps, and in particular to a heat dissipation street lamp. Background Art

[0002] Street lamps are a common roadside lighting tool. They can be seen everywhere in modern cities and are indispensable. The emergence of street lamps not only brings light and convenience to people at night, but also is an indispensable part of beautifying the city's night scene.

[0003] In the related art, a Chinese invention patent with publication number CN113310012A discloses a heat dissipation street lamp, comprising a lamp post, a lamp arm is arranged on the lamp post, a lamp head is arranged on the lamp arm, the lamp head comprises a lamp housing and a transparent lampshade, and a light-emitting component arranged in the lamp housing and the transparent lampshade, the light-emitting component comprises an LED chip, a fixing plate is arranged in the lamp housing, the LED chip is mounted on the fixing plate, a radiator is arranged above the fixing plate, the radiator comprises a plurality of heat sinks, the plurality of heat sinks are evenly arranged on the positioning member, the heat sinks are provided with perforations, the perforations on the plurality of heat sinks are arranged to form an air passage, a wind transmission structure is also arranged on the lamp arm, the wind transmission structure comprises a wind wheel, the wind wheel is connected to the lamp arm through a fixed bracket, a horizontally arranged rotating shaft is coaxially connected to the center of the wind wheel, the rotating shaft is connected to a vertically arranged second rotating shaft through a bevel gear structure, the second rotating shaft is also connected to a horizontally arranged third rotating shaft through a bevel gear structure, the third rotating shaft extends into the lamp housing, a fan blade is arranged at the end of the third rotating shaft, and the fan blade faces the air passage.

[0004] In the above-mentioned related technologies, wind force is used to drive the wind wheel to rotate, and the wind wheel drives the rotating shaft to rotate. The rotating shaft drives the second rotating shaft to rotate through a bevel gear structure, and the second rotating shaft drives the third rotating shaft to rotate through a bevel gear structure, so that the third rotating shaft drives the fan blades to rotate, and the lamp housing is cooled and dissipated by air. Due to the different wind directions in different seasons, the position of the wind wheel cannot be adjusted, which makes it inconvenient to use wind force to drive the wind wheel to rotate and rotate the fan blades to cool and dissipate heat in the lamp housing. Summary of the invention

[0005] In order to improve the problem that the position of the wind wheel cannot be adjusted due to different wind directions in different seasons, making it inconvenient to use wind force to drive the wind wheel to rotate and rotate the fan blades to perform air cooling and heat dissipation in the lamp housing, the present application provides a heat dissipation street lamp.

[0006] The heat dissipation street lamp provided in this application adopts the following technical solution: A heat dissipation street lamp comprises a lamp post, wherein the lamp post is provided with a lamp arm, the lamp arm is provided with a lamp housing, an LED chip is provided in the lamp housing, a fixing plate is provided in the lamp housing, the LED chip is mounted on the bottom surface of the fixing plate, a rotating shaft is rotatably provided on the inner top surface of the lamp housing, a plurality of fan blades are provided on the rotating shaft, a plurality of exhaust holes are opened on the inner top surface of the lamp housing, a connecting rod is provided on the lamp post, the connecting rod is located above the lamp arm, a connecting pipe is penetrated through the top surface of the connecting rod, a sleeve is sleeved on the top end of the connecting pipe, the sleeve is rotatably connected to the connecting pipe, an installation box is fixed on the top surface of the sleeve, a rotating shaft 1 is penetrated through the side surface of the installation box, a wind wheel is fixed on the end surface of the rotating shaft 1 away from the installation box, a transmission component for driving the rotating shaft to rotate is provided on the rotating shaft 1, and a driving component for driving the sleeve to rotate is provided on the connecting pipe.

[0007] By adopting the above technical scheme, the wind force is utilized to drive the wind wheel to rotate, so that the wind wheel drives the rotating shaft to rotate, the rotating shaft drives the transmission component to rotate, the transmission component drives the rotating shaft to rotate, the rotating shaft drives the fan blades to rotate, the fan blades rotate to discharge the hot air in the lamp housing from the exhaust holes to dissipate the heat in the lamp housing, and when the wind direction changes in different seasons, the driving component drives the sleeve to rotate, so that the sleeve drives the installation box to rotate, the installation box drives the rotating shaft to rotate, the rotating shaft drives the wind wheel to rotate, so that the wind wheel rotates to a direction opposite to the wind direction, so that the wind force blows the wind wheel, so that the fan blades rotate to perform air cooling and heat dissipation in the lamp housing.

[0008] Preferably, the transmission assembly includes a first bevel gear arranged at an end of the rotating shaft away from the wind wheel, a fixed block is fixed in the connecting tube, a rotating shaft 2 is passed through the top surface of the fixed block, the rotating shaft 2 is rotatably connected to the fixed block, the top end of the rotating shaft 2 is passed through the installation box, a second bevel gear is provided at the top end of the rotating shaft 2, the first bevel gear is meshed with the second bevel gear, and the bottom end of the rotating shaft 2 is fixed to the top surface of the rotating shaft.

[0009] By adopting the above technical solution, when the wind blows the wind wheel, the wind wheel drives the rotating shaft 1 to rotate, the rotating shaft 1 drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the rotating shaft 2 to rotate, the rotating shaft drives the rotating shaft to rotate, so that the rotating shaft drives the fan blades to rotate, so that the fan blades rotate to perform air cooling and heat dissipation inside the lamp housing.

[0010] Preferably, the driving assembly includes a gear 1 arranged on the sleeve, a mounting plate is fixed to the outer peripheral surface of the connecting tube, a motor 1 is arranged on the mounting plate, a gear 2 is arranged on the output shaft of the motor 1, and the gear 1 is meshed with the gear 2.

[0011] By adopting the above technical solution, when the wind direction is different in different seasons, by starting motor one, the output shaft of motor one drives gear two to rotate, gear two drives gear one to rotate, gear one drives the sleeve to rotate, the sleeve drives the installation box to rotate, and the installation box drives shaft one to rotate, so that shaft one drives the wind wheel to rotate, and the wind wheel rotates to a position opposite to the wind direction.

[0012] Preferably, a circular tube is rotatably mounted on the inner top surface of the lamp housing, the rotating shaft passes through the circular tube, a plurality of ratchets are fixed to the inner circumference of the circular tube, the plurality of ratchets are arranged at equal intervals along the inner circumference of the circular tube, a ratchet is arranged on the outer circumference of the rotating shaft, a driving member for driving the ratchets inserted between two adjacent ratchet teeth is arranged on the circular tube, and a power component for driving the circular tube to rotate is arranged on the lamp housing.

[0013] By adopting the above technical solution, when the wind is weak and cannot drive the wind wheel to rotate, the power component drives the round tube to rotate, the round tube drives the pawl to rotate, the pawl drives the ratchet to rotate, the ratchet drives the rotating shaft to rotate, and the rotating shaft drives the fan blades to rotate, so that when the fan blades rotate, the hot air in the lamp housing is discharged through the exhaust holes for heat dissipation.

[0014] Preferably, the driving member includes a spring arranged on the side of the pawl away from the rotating shaft, and one end of the spring away from the pawl is fixed to the inner circumferential surface of the circular tube.

[0015] By adopting the above technical solution, the pawl is always inserted between two adjacent ratchet teeth under the elastic force of the spring, thereby reducing the possibility of the pawl being separated from between the two ratchet teeth.

[0016] Preferably, the power assembly includes a second motor fixed on the inner top surface of the lamp housing, a third gear is arranged on the output shaft of the second motor, a fourth gear is arranged on the circular tube, and the third gear is meshed with the fourth gear.

[0017] By adopting the above technical solution, when the wind is weak and cannot drive the wind wheel to rotate, motor two is started, the output shaft of motor two drives gear three to rotate, gear three drives gear four to rotate, gear four drives the round tube to rotate, the round tube drives the pawl to rotate, the pawl drives the ratchet to rotate, the ratchet drives the rotating shaft to rotate, so that the rotating shaft drives the fan blades to rotate, so that when the fan blades rotate, the hot air in the lamp housing is discharged through the exhaust holes for heat dissipation.

[0018] Preferably, a temperature sensor is arranged in the lamp housing, a controller is arranged on the lamp housing, an output end of the temperature sensor is electrically connected to an input end of the controller, and an output end of the controller is electrically connected to a control end of the second motor.

[0019] By adopting the above technical scheme, when the wind is weak and the wind cannot drive the wind wheel to rotate, the fan blades stop rotating to dissipate heat in the lamp housing, the temperature sensor monitors the temperature in the lamp housing in real time, and transmits the monitored temperature signal to the controller, the controller compares the received temperature signal with the set temperature signal, when the temperature signal received by the controller is higher than the set temperature signal, the controller controls the motor 2 to start, so that the motor 2 drives the gear 3 to rotate, the gear 3 drives the gear 4 to rotate, the gear 4 drives the round tube to rotate, the round tube drives the pawl to rotate, the pawl drives the ratchet to rotate, the ratchet drives the rotating shaft to rotate, the rotating shaft drives the fan blades to rotate, so that when the fan blades rotate, the hot air in the lamp housing is discharged through the exhaust holes to dissipate heat.

[0020] Preferably, a limiting plate is fixed on the outer circumference of the rotating shaft, a circular ring is sleeved on the outer circumference of the rotating shaft, the top surface of the circular ring abuts against the bottom surface of the limiting plate, a plurality of fan blades are fixed to the outer circumference of the circular ring, a locking nut is sleeved on the bottom end of the rotating shaft, the locking nut is threadedly connected to the rotating shaft, and the top surface of the locking nut abuts against the bottom surface of the circular ring.

[0021] By adopting the above technical solution, when the fan blades are damaged during long-term use, the locking nut can be unscrewed from the rotating shaft by rotating the locking nut, and then the ring can be removed from the rotating shaft, thereby facilitating the removal and replacement of the fan blades.

[0022] Preferably, a limiting block is fixed on the outer circumference of the rotating shaft, a limiting groove is provided on the inner circumference of the circular ring, the limiting groove vertically penetrates the circular ring, and the limiting block is inserted into the limiting groove.

[0023] By adopting the above technical solution, when the circular ring is installed on the rotating shaft, the limiting block is inserted into the limiting groove, so that the rotating shaft rotates to drive the circular ring to rotate.

[0024] In summary, the present application includes at least one of the following beneficial technical effects: 1. Use wind power to drive the wind wheel to rotate, so that the wind wheel drives the rotating shaft 1 to rotate, the rotating shaft 1 drives the transmission component to rotate, the rotating shaft drives the fan blades to rotate, and the fan blades rotate to discharge the hot air in the lamp housing from the exhaust hole to dissipate the heat in the lamp housing. When the wind direction changes in different seasons, the driving component drives the sleeve to rotate, so that the sleeve drives the installation box to rotate, the installation box drives the rotating shaft 1 to rotate, and the rotating shaft 1 drives the wind wheel to rotate, so that the wind wheel rotates to the direction opposite to the wind direction, so that the wind force blows the wind wheel, and the fan blades rotate to cool the lamp housing. ; 2. When the wind is weak and cannot drive the wind wheel to rotate, the fan blades stop rotating to dissipate heat in the lamp housing. The temperature sensor monitors the temperature in the lamp housing in real time and transmits the monitored temperature signal to the controller. The controller compares the received temperature signal with the set temperature signal. When the temperature signal received by the controller is higher than the set temperature signal, the controller controls the motor 2 to start, so that the motor 2 drives the gear 3 to rotate, the gear 3 drives the gear 4 to rotate, the gear 4 drives the round tube to rotate, the round tube drives the pawl to rotate, the pawl drives the ratchet to rotate, the ratchet drives the rotating shaft to rotate, the rotating shaft drives the fan blades to rotate, so that when the fan blades rotate, the hot air in the lamp housing is discharged through the exhaust holes to dissipate heat; 3. When the fan blades are damaged during long-term use, the locking nut can be unscrewed from the rotating shaft by turning the locking nut, and then the ring can be removed from the rotating shaft, so that the fan blades can be removed and replaced easily. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the heat dissipation street lamp of this application.

[0026] Figure 2 It is a schematic diagram of the LED chip structure in the embodiment of the present application.

[0027] Figure 3 It is a cross-sectional view of the lamp holder in the embodiment of the present application.

[0028] Figure 4 It is an exploded schematic diagram of the ring, locking nut and rotating shaft in the embodiment of the present application.

[0029] Figure 5 It is a schematic diagram of the structure of the ratchet in the embodiment of the present application.

[0030] Figure 6 yes Figure 5 A magnified schematic diagram of center A.

[0031] 1. Lamp post; 11. Lamp arm; 12. Lamp housing; 121. Lamp holder; 122. Transparent lampshade; 13. Fixing plate; 14. LED chip; 2. Rotating shaft; 21. Limiting plate; 22. Circular ring; 23. Fan blade; 24. Limiting block; 25. Limiting groove; 26. Locking nut; 27. Exhaust hole; 3. Connecting rod; 31. Connecting pipe; 32. Sleeve; 33. Mounting box; 34. Rotating shaft one; 35. Wind wheel; 36. Fixing block; 37. Rotating shaft two; 38. First bevel gear; 39. Second bevel gear; 4. Mounting plate; 41. Motor one; 42. Gear one; 43. Gear two; 5. Circular tube; 51. Ratchet; 52. Ratchet; 53. Spring; 54. Motor two; 55. Gear three; 56. Gear four; 57. Temperature sensor; 58. Controller. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-6 This application is described in further detail.

[0033] The embodiment of the present application discloses a heat dissipation street lamp.

[0034] Reference Figure 1 and Figure 2 A heat dissipation street lamp comprises a lamp post 1 and a lamp arm 11 fixed on the lamp post 1, and a lamp housing 12 is arranged at one end of the lamp arm 11 away from the lamp post 1. The lamp housing 12 comprises a lamp holder 121 fixed to one end of the lamp arm 11 away from the lamp post 1, a fixing plate 13 is arranged in the lamp holder 121, the fixing plate 13 is fixed to the end face of the lamp arm 11 away from the lamp post 1, an LED chip 14 is fixed to the bottom face of the fixing plate 13, and a transparent lamp cover 122 is arranged on the bottom face of the lamp holder 121, and the transparent lamp cover 122 is fixedly connected to the lamp holder 121 by bolts.

[0035] Reference Figure 3 and Figure 4 The inner top surface of the lamp holder 121 is provided with a plurality of exhaust holes 27. The inner top surface of the lamp holder 121 is rotatably mounted with a rotating shaft 2. The outer circumference of the rotating shaft 2 is sleeved with a fixed limiting plate 21. The bottom end of the rotating shaft 2 is sleeved with a circular ring 22. The top surface of the circular ring 22 abuts against the bottom surface of the limiting plate 21. The outer circumference of the circular ring 22 is fixed with a plurality of blades 23. The plurality of blades 23 are arranged at equal intervals along the circumference of the circular ring 22. The bottom end of the rotating shaft 2 is sleeved with a locking nut 26. The top surface of the locking nut 26 abuts against the bottom surface of the circular ring 22. Two limiting blocks 24 are fixed to the outer circumference of the rotating shaft 2. The two limiting blocks 24 are arranged at equal intervals along the circumference of the rotating shaft 2. The inner circumference of the circular ring 22 is provided with two limiting grooves 25. The two limiting grooves 25 vertically penetrate the circular ring 22. The two limiting blocks 24 are respectively inserted into the two circular grooves.

[0036] Reference Figure 1 and Figure 3 A connecting rod 3 is fixed to the outer circumference of the lamp post 1. The connecting rod 3 is located above the lamp arm 11. A connecting pipe 31 is passed through the top surface of the connecting rod 3. The bottom surface of the connecting pipe 31 is fixed to the top surface of the lamp holder 121. A sleeve 32 is sleeved on the top surface of the connecting pipe 31. The sleeve 32 is rotatably connected to the connecting pipe 31. An installation box 33 is fixed to the top surface of the sleeve 32. A rotating shaft 34 is passed through the side surface of the installation box 33. The rotating shaft 34 is rotatably connected to the installation box 33. A wind wheel 35 is fixed to the end of the rotating shaft 34 away from the installation box 33.

[0037] Reference Figure 3 and Figure 4A fixing block 36 is fixed to the inner circumference of the connecting tube 31, and a second rotating shaft 37 is penetrated on the top surface of the fixing block 36. The second rotating shaft 37 is rotatably connected to the fixing block 36. The top end of the second rotating shaft 37 is penetrated in the installation box 33, and the second rotating shaft 37 is rotatably connected to the installation box 33. A second bevel gear 39 is sleeved and fixed on the top end of the second rotating shaft 37, and a first bevel gear 38 is sleeved and fixed on the end of the first rotating shaft 34 away from the wind wheel 35. The first bevel gear 38 meshes with the second bevel gear 39, and the bottom end of the second rotating shaft 37 is fixedly connected to the top end of the rotating shaft 2.

[0038] The wind drive wheel 35 rotates by wind force, the wind wheel 35 drives the rotating shaft 1 34 to rotate, the rotating shaft 1 34 drives the first bevel gear 38 to rotate, the first bevel gear 38 drives the second bevel gear 39 to rotate, the second bevel gear 39 drives the rotating shaft 2 37 to rotate, the rotating shaft 2 drives the circular ring 22 to rotate, the circular ring 22 drives the fan blades 23 to rotate, so that the hot air in the lamp housing 12 is discharged outward through the exhaust hole 27 during the rotation of the fan blades 23.

[0039] Reference Figure 3 A horizontally arranged mounting plate 4 is fixed to the outer circumferential surface of the connecting pipe 31, a motor 41 is fixed to the top surface of the mounting plate 4, a gear 2 43 is sleeved and fixed on the output shaft of the motor 41, a gear 1 42 is sleeved and fixed on the sleeve 32, and the gear 1 42 is meshed with the gear 2 43.

[0040] When the wind direction changes, by starting motor 1 41, the output shaft of motor 1 41 drives gear 2 43 to rotate, gear 2 43 drives gear 1 42 to rotate, gear 1 42 drives sleeve 32 to rotate, sleeve 32 drives installation box 33 to rotate, installation box 33 drives shaft 1 34 to rotate, shaft 1 34 drives wind wheel 35 to rotate, wind wheel 35 rotates to a direction opposite to the wind direction, thereby facilitating wind force to blow wind wheel 35.

[0041] Reference Figure 3 , Figure 5 and Figure 6 A round tube 5 is rotatably mounted on the inner top surface of the lamp holder 121, and the rotating shaft 2 passes through the round tube 5. A ratchet 51 is sleeved and fixed on the outer circumference of the rotating shaft 2. A plurality of ratchet pawls 52 are rotatably mounted on the inner circumference of the round tube 5. The plurality of ratchet pawls 52 are arranged at equal intervals along the circumference of the round tube 5, and the tip of the ratchet pawl 52 is inserted between two adjacent ratchet teeth. A spring 53 is fixed on the side of the ratchet pawl 52 away from the ratchet 51, and one end of the spring 53 away from the ratchet pawl 52 is fixed to the inner circumference of the round tube 5.

[0042] Reference Figure 1 , Figure 3 and Figure 5A second motor 54 is fixed to the inner top surface of the lamp holder 121, a third gear 55 is fixed on the output shaft of the second motor 54, a fourth gear 56 is fixed on the outer circumference of the round tube 5, and the third gear 55 and the fourth gear 56 are meshed. A temperature sensor 57 is fixed to the inner top surface of the lamp holder 121, a controller 58 is fixed to the top surface of the lamp holder 121, the output end of the temperature sensor 57 is electrically connected to the input end of the controller 58, and the output end of the controller 58 is electrically connected to the control end of the second motor 54.

[0043] When the wind is weak and the wind cannot blow the wind wheel 35, the temperature sensor 57 monitors the temperature inside the lamp housing 12 in real time and transmits the monitored temperature signal to the controller 58. The controller 58 compares the received temperature signal with the set temperature signal. When the temperature signal received by the controller 58 is greater than the set temperature signal, the controller 58 controls the motor 2 54 to start, and the output shaft of the motor 2 54 drives the gear 3 55 to rotate, the gear 3 55 drives the gear 4 56 to rotate, the gear 4 56 drives the circular tube 5 to rotate, the circular tube 5 drives the pawl 52 to rotate, so that the pawl 52 drives the ratchet 51 to rotate, and the ratchet 51 drives the rotating shaft 2 to rotate, so that the rotating shaft 2 drives the ring 22 to rotate, and the ring 22 drives the fan blades 23 to rotate, and the hot air in the lamp housing 12 is discharged through the exhaust hole 27.

[0044] The implementation principle of a heat dissipation street lamp in an embodiment of the present application is: by utilizing wind force to drive the wind wheel 35 to rotate, the wind wheel 35 drives the rotating shaft 1 34 to rotate, the rotating shaft 1 34 drives the first bevel gear 38 to rotate, the first bevel gear 38 drives the second bevel gear 39 to rotate, the second bevel gear 39 drives the rotating shaft 2 37 to rotate, the rotating shaft 2 37 drives the circular ring 22 to rotate, and the circular ring 22 drives the fan blades 23 to rotate, so that during the rotation of the fan blades 23, the hot air in the lamp housing 12 is discharged through the exhaust holes 27 for heat dissipation. When the weather and wind direction change, so that the wind can no longer drive the wind wheel 35 to rotate, by starting the motor 41, the output shaft of the motor 41 drives the gear 2 43 to rotate, the gear 2 43 drives the gear 1 42 to rotate, the gear 1 42 drives the sleeve 32 to rotate, so that the sleeve 32 drives the installation box 33 to rotate, the installation box 33 drives the rotating shaft 1 34 to rotate, so that the rotating shaft 1 34 drives the wind wheel 35 to rotate, so that the wind wheel 35 rotates to a position opposite to the wind direction, so that it is convenient for the wind to drive the wind wheel 35 to rotate, and then the fan blades 23 rotate to perform air cooling and heat dissipation in the lamp housing 12.

[0045] When the wind is weak and the wind cannot drive the wind wheel 35 to rotate and drive the fan blades 23 to rotate and dissipate heat, the temperature in the lamp housing 12 is monitored in real time by the temperature sensor 57 arranged in the lamp housing 12, and the monitored temperature signal is transmitted to the controller 58. The controller 58 compares the received temperature signal with the set temperature signal. When the temperature signal received by the controller 58 is higher than the set temperature signal, the controller 58 controls the motor 2 54 to start, so that the output shaft of the motor 2 54 drives the gear 3 55 to rotate, the gear 3 55 drives the gear 4 56 to rotate, the gear 4 56 drives the round tube 5 to rotate, the round tube 5 drives the pawl 52 to rotate, the pawl 52 drives the ratchet 51 to rotate, the ratchet 51 drives the rotating shaft 2 to rotate, so that the rotating shaft 2 drives the ring 22 to rotate, and the ring 22 drives the fan blades 23 to rotate, and the hot air in the lamp housing 12 is discharged through the exhaust hole 27, thereby reducing the possibility of damage to the street lamp caused by the high temperature in the lamp housing 12.

[0046] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A heat dissipation street lamp, Features: The invention comprises a lamp post (1), wherein a lamp arm (11) is arranged on the lamp post (1), a lamp housing (12) is arranged on the lamp arm (11), an LED chip (14) is arranged in the lamp housing (12), a fixing plate (13) is arranged in the lamp housing (12), the LED chip (14) is mounted on the bottom surface of the fixing plate (13), a rotating shaft (2) is rotatably arranged on the inner top surface of the lamp housing (12), a plurality of fan blades (23) are arranged on the inner top surface of the lamp housing (12), a plurality of exhaust holes (27) are opened on the inner top surface of the lamp housing (12), a connecting rod (3) is arranged on the lamp arm ( 11), a connecting tube (31) is passed through the top surface of the connecting rod (3), a sleeve (32) is sleeved on the top end of the connecting tube (31), the sleeve (32) is rotatably connected to the connecting tube (31), a mounting box (33) is fixed on the top surface of the sleeve (32), a rotating shaft (34) is passed through the side surface of the mounting box (33), a wind wheel (35) is fixed on the end surface of the rotating shaft (34) away from the mounting box (33), a transmission component for driving the rotating shaft (2) to rotate is arranged on the rotating shaft (34), and a driving component for driving the sleeve (32) to rotate is arranged on the connecting tube (31).

2. A heat dissipation street lamp according to claim 1, Features: The transmission assembly comprises a first bevel gear (38) arranged at an end of the rotating shaft (34) away from the wind wheel (35); a fixing block (36) is fixed in the connecting pipe (31); a rotating shaft (37) is passed through the top surface of the fixing block (36); the rotating shaft (37) is rotatably connected to the fixing block (36); the top end of the rotating shaft (37) is passed through the installation box (33); a second bevel gear (39) is arranged at the top end of the rotating shaft (37); the first bevel gear (38) is meshed with the second bevel gear (39); and the bottom end of the rotating shaft (37) is fixed to the top surface of the rotating shaft (2).

3. A heat dissipation street lamp according to claim 1, Features: The driving assembly comprises a gear 1 (42) arranged on the sleeve (32); a mounting plate (4) is fixed to the outer peripheral surface of the connecting pipe (31); a motor 1 (41) is arranged on the mounting plate (4); a gear 2 (43) is arranged on the output shaft of the motor 1 (41); and the gear 1 (42) is meshed with the gear 2 (43).

4. A heat dissipation street lamp according to claim 1, Features: A circular tube (5) is rotatably mounted on the inner top surface of the lamp housing (12); the rotating shaft (2) passes through the circular tube (5); a plurality of ratchet pawls (52) are fixed to the inner circumference of the circular tube (5); the plurality of ratchet pawls (52) are arranged at equal intervals along the inner circumference of the circular tube (5); a ratchet wheel (51) is arranged on the outer circumference of the rotating shaft (2); a driving member for driving the ratchet pawl (52) to be inserted between two adjacent ratchet teeth is arranged on the circular tube (5); and a power assembly for driving the circular tube (5) to rotate is arranged on the lamp housing (12).

5. A heat dissipation street lamp according to claim 4, Features: The driving member comprises a spring (53) arranged on the side of the ratchet (52) away from the rotating shaft (2), and one end of the spring (53) away from the ratchet (52) is fixed to the inner circumferential surface of the circular tube (5).

6. A heat dissipation street lamp according to claim 4, Features: The power assembly comprises a second motor (54) fixed on the inner top surface of the lamp housing (12); a third gear (55) is arranged on the output shaft of the second motor (54); a fourth gear (56) is arranged on the circular tube (5); and the third gear (55) and the fourth gear (56) are meshed with each other.

7. A heat dissipation street lamp according to claim 6, Features: A temperature sensor (57) is arranged in the lamp housing (12), and a controller (58) is arranged on the lamp housing (12); an output end of the temperature sensor (57) is electrically connected to an input end of the controller (58), and an output end of the controller (58) is electrically connected to a control end of the second motor (54).

8. The heat dissipation street lamp according to claim 4, Features: A limiting plate (21) is fixed on the outer circumference of the rotating shaft (2); a circular ring (22) is sleeved on the outer circumference of the rotating shaft (2); the top surface of the circular ring (22) abuts against the bottom surface of the limiting plate (21); a plurality of fan blades (23) are fixed on the outer circumference of the circular ring (22); a locking nut (26) is sleeved on the bottom end of the rotating shaft (2); the locking nut (26) is threadedly connected to the rotating shaft (2); the top surface of the locking nut (26) abuts against the bottom surface of the circular ring (22).

9. A heat dissipation street lamp according to claim 8, Features: A limiting block (24) is fixed on the outer circumference of the rotating shaft (2), and a limiting groove (25) is provided on the inner circumference of the circular ring (22). The limiting groove (25) vertically penetrates the circular ring (22), and the limiting block (24) is inserted into the limiting groove (25).

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