CN217763357U

CN217763357U - Heat radiation structure of LED street lamp

Info

Publication number: CN217763357U
Application number: CN202221709410.XU
Authority: CN
Inventors: 胡海涛; 陈树拳
Original assignee: Guangdong Gaozhi Emerging Industry Development Research Institute; Guangdong Mabiao Testing Technology Co ltd; GUANGDONG SOLID STATE LIGHTING INDUSTRY INNOVATION CENTER
Current assignee: Guangdong Gaozhi Emerging Industry Development Research Institute; Guangdong Mabiao Testing Technology Co ltd; GUANGDONG SOLID STATE LIGHTING INDUSTRY INNOVATION CENTER
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-11-08
Anticipated expiration: 2032-07-04

Abstract

The utility model discloses a heat radiation structure of LED street lamp, including fixed frame, fin and radiator fan, the inside fixed mounting of fixed frame has the fin, the welding has the guide plate between the fin, the through-hole has been seted up at the middle part of guide plate, the inside spacing groove of having seted up in both ends of fixed frame, the inside fixed mounting of spacing groove has the locating lever, the surface winding of locating lever is connected with the spring. This heat radiation structure of LED street lamp is provided with the fin, the guide plate, through-hole and sealing plug, carrying out radiating in-process to the LED street lamp, the equidistant setting of fin can carry out even derivation work to the produced heat of LED street lamp, so that improve the device's radiating effect, and the setting of guide plate can be collected the rainwater, make the rainwater can be stored between the fin, be favorable to the rainwater to dispel the heat to the heat of conducting strip, the device's radiating effect has been improved, and through-hole and sealing plug also are convenient for carry out the work of discharging to the water of storing.

Description

Heat radiation structure of LED street lamp

Technical Field

The utility model relates to a LED street lamp industry technical field specifically is a heat radiation structure of LED street lamp.

Background

In the process of illuminating a highway, the road is illuminated by the LED street lamp so as to improve the safety of road use at night, the LED street lamp generates a large amount of heat in the use process and needs to dissipate the heat of the LED street lamp by a heat dissipation structure, but the existing heat dissipation structure has a little defect in the use process;

the application number is CN201220131666.7, the heat dissipation structure of the LED street lamp comprises a lampshade, an LED luminous source is arranged in front of the lampshade, heat dissipation fins are arranged on the back of the lampshade and comprise transverse fins and longitudinal fins, the transverse fins are distributed on the back of the lampshade in parallel, two ends of each transverse fin extend out of the lampshade, the longitudinal fins are perpendicular to the transverse fins and divide the transverse fins equally, the whole heat dissipation fins are arranged in a fishbone shape, the appearance is attractive, heat dissipation is uniform, two ends of each transverse fin extend out of the lampshade and can take away heat by utilizing flowing air, heat dissipation efficiency is improved, in the actual use process, the heat dissipation structure is not convenient to disassemble, install, replace and maintain, and meanwhile the heat dissipation effect of the device is not enough.

We propose a heat dissipation structure of an LED street lamp in order to solve the problems set forth above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat radiation structure of LED street lamp to solve the problem that the heat radiation structure of LED street lamp is not convenient for dismantle the installation and change the maintenance work to heat radiation structure on the existing market that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a heat radiation structure of LED street lamp, includes fixed frame, fin and radiator fan, the inside fixed mounting of fixed frame has the fin, the welding has the guide plate between the fin, the through-hole has been seted up at the middle part of guide plate, the inside spacing groove that has seted up in both ends of fixed frame, the inside fixed mounting of spacing groove has the locating lever, the surface winding of locating lever is connected with the spring, the one end fixedly connected with fly leaf of spring, the fixed surface of fly leaf installs the sealing plug, sealing plug and through-hole zonulae occludens, the spread groove has been seted up to the inside of fixed frame, the inside threaded connection of spread groove has connecting bolt, the sleeve pipe has been cup jointed on connecting bolt's surface, sleeve pipe and frame fixed connection, the top fixed mounting of frame has the heating panel, servo motor is installed at the top of heating panel, servo motor's one end is connected with radiator fan, the weather shield is installed at the top of frame, the both sides fixed surface of fixed mounting of fixed frame has the stopper, the inside of stopper is inlayed and is had the location axle, the screw rod has been run through in the inside of location axle, the one end welding of screw rod has the knob, the connecting axle is installed, the connecting axle is connected with fixed frame interconnect, the threaded groove is seted up to the inboard of movable splint, there is the rubber pad.

Preferably, the radiating fins and the guide plates are distributed in the fixed frame at equal intervals, the guide plates are located between the radiating fins on the two sides, and the guide plates are distributed on the inner sides of the radiating fins in an inclined mode.

Adopt the design of above-mentioned structure for the fin can derive the work to the produced heat of LED street lamp, and the setting up of guide plate also can carry out the water conservancy diversion and store the rainwater, so that the rainwater carries out effectual heat dissipation work to the fin.

Preferably, the size of spacing groove is identical with the activity board size, the activity board passes through the spring and constitutes extending structure with the spacing groove, the sealing plug is installed to the equidistant surface of activity board, sealing plug and through-hole one-to-one.

Adopt the design of above-mentioned structure to in drive the sealing plug and be connected and separate with the through-hole through pressing to the fly leaf, be favorable to carrying out the work of discharging to the heat of guide plate inside storage, improved device's result of use.

Preferably, the connecting bolt is in threaded connection with the connecting groove, and the connecting bolt and the sleeve are symmetrically arranged about the center line of the outer frame.

By adopting the design of the structure, the connecting bolt can be used for connecting the outer frame and the fixed frame, and meanwhile, the outer frame and the cooling fan can be conveniently detached, maintained and replaced.

Preferably, the servo motor and the heat dissipation fan are symmetrically arranged about a center line of the fixing frame, and the rain baffles are obliquely distributed at the top end of the outer frame.

By adopting the design with the structure, the servo motor can drive the cooling fan to rotate, so that the cooling fins are matched to effectively dissipate heat of the LED street lamp, the inclined arrangement of the rain baffle can shield the cooling fan, and meanwhile, the rainwater can be guided, so that the heat dissipation effect of the device is improved.

Preferably, the screw rod passes through the connecting axle and is connected with fixed frame rotation, the activity splint pass through thread groove and screw rod threaded connection, the size of activity splint is identical with the opening size of stopper.

By adopting the design of the structure, the movable clamping plate can be effectively driven to move, so that the movable clamping plate, the rubber pad and the LED street lamp are driven to be tightly attached, and the convenience of the installation and disassembly work of the heat dissipation mechanism is improved.

Compared with the prior art, the beneficial effects of the utility model are that: the heat dissipation structure of the LED street lamp;

1. the LED street lamp heat dissipation device is provided with the heat dissipation fins, the flow guide plates, the through holes and the sealing plugs, in the process of heat dissipation of the LED street lamp, the heat dissipation fins are arranged at equal intervals to conduct uniform guiding work on heat generated by the LED street lamp, so that the heat dissipation effect of the device is improved, the flow guide plates can collect rainwater, the rainwater can be stored between the heat dissipation fins, the heat of the heat conduction fins can be dissipated by the rainwater, the heat dissipation effect of the device is improved, and the through holes and the sealing plugs are convenient for discharging the stored water;

2. the heat dissipation device is provided with the heat dissipation plate, the heat dissipation fan and the rain shield, so that the heat generated by the heat dissipation fan can be absorbed and discharged through the heat dissipation plate, and the heat dissipation effect of the device is further improved;

3. be provided with screw rod, connecting axle, movable clamp plate and rubber pad for the device is at the in-process that uses, and the rotation of screw rod can drive movable clamp plate and slide in the inside of stopper, so that drive movable clamp plate and rubber pad and LED street lamp carry out inseparable laminating, is favorable to carrying out fixed mounting work to heat radiation structure, also is favorable to having improved this heat radiation structure's practicality and adaptability on the LED street lamp of different specifications with heat radiation structure fixed mounting simultaneously.

Drawings

FIG. 1 is a schematic view of the side view appearance structure of the present invention;

FIG. 2 is a schematic side view of the exploded structure of the present invention;

FIG. 3 is a schematic view of the distribution structure of the heat dissipation fins of the present invention;

FIG. 4 is a schematic view of the connection structure of the deflector and the sealing plug of the present invention;

fig. 5 is the schematic view of the connection structure of the limiting block and the movable clamping plate.

In the figure: 1. a fixing frame; 2. a heat sink; 3. a baffle; 4. a through hole; 5. a limiting groove; 6. positioning a rod; 7. a spring; 8. a movable plate; 9. a sealing plug; 10. connecting grooves; 11. a connecting bolt; 12. a sleeve; 13. an outer frame; 14. a heat dissipation plate; 15. a servo motor; 16. a heat radiation fan; 17. a rain shield; 18. a limiting block; 19. positioning the shaft; 20. a screw; 21. a knob; 22. a connecting shaft; 23. a movable splint; 24. a thread groove; 25. and (7) a rubber pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a heat radiation structure of LED street lamp, including fixed frame 1, fin 2 and radiator fan 16, the inside fixed mounting of fixed frame 1 has fin 2, the welding has guide plate 3 between fin 2, fin 2 and guide plate 3 are equidistant distribution in the inside of fixed frame 1, guide plate 3 is located between both sides fin 2, guide plate 3 is the slant at the inboard of fin 2 and distributes, above-mentioned structural design makes fin 2 carry out even derivation work to the produced heat of LED street lamp, so that carry out better radiating work to the LED street lamp, and guide plate 3's setting can be collected and store the rainwater, so that the rainwater can carry out radiating work to fin 2.

As shown in fig. 1-4, a through hole 4 is formed in the middle of the deflector 3, a limiting groove 5 is formed inside each of two ends of the fixing frame 1, the size of the limiting groove 5 is identical to that of the movable plate 8, a positioning rod 6 is fixedly mounted inside the limiting groove 5, a spring 7 is wound on the surface of the positioning rod 6, one end of the spring 7 is fixedly connected with the movable plate 8, the movable plate 8 and the limiting groove 5 form a telescopic structure through the spring 7, a sealing plug 9 is fixedly mounted on the surface of the movable plate 8, the sealing plug 9 is in one-to-one correspondence with the through hole 4, the sealing plug 9 is tightly connected with the through hole 4, the spring 7 can push the movable plate 8 to slide inside the limiting groove 5, so that the movable plate 8 can drive the sealing plug 9 to be tightly attached to the through hole 4, thereby facilitating the sealing of the bottom of the deflector 3, and pressing the movable plate 8 can drive the sealing plug 9 to be separated from the through hole 4, thereby facilitating the drainage of rainwater stored inside the deflector 3, wherein the positioning rod 6 can limit the sliding of the movable plate 8, and avoid shaking of the movable plate in the telescopic process.

Specifically, as shown in fig. 1-2, a connecting groove 10 is formed in the fixing frame 1, a connecting bolt 11 is connected to the internal thread of the connecting groove 10, the connecting bolt 11 is connected to the connecting groove 10 through a thread, a sleeve 12 is sleeved on the surface of the connecting bolt 11, the sleeve 12 is fixedly connected with an outer frame 13, the connecting bolt 11 and the sleeve 12 are symmetrically arranged about the center line of the outer frame 13, the connecting bolt 11 can be used for installing the outer frame 13 through the thread connection of the sleeve 12 and the connecting groove 10 through the structural design, and the convenience in installing and detaching the outer frame 13 and the cooling fan 16 is improved.

Specifically, as shown in fig. 1-2, a heat dissipation plate 14 is fixedly mounted at the top of the outer frame 13, a servo motor 15 is mounted at the top of the heat dissipation plate 14, a heat dissipation fan 16 is connected to one end of the servo motor 15, the servo motor 15 and the heat dissipation fan 16 are symmetrically arranged about the center line of the fixing frame 1, a rain shield 17 is mounted at the top of the outer frame 13, and the rain shield 17 is obliquely distributed on the top end of the outer frame 13, so that the servo motor 15 can drive the heat dissipation fan 16 to rotate, the heat conduction of the heat dissipation plate 2 can effectively dissipate heat of the LED street lamp, and the oblique arrangement of the rain shield 17 can shield the heat dissipation fan 16 from rain and conduct rainwater.

Specifically as shown in fig. 1-5, fixed surface installs stopper 18 in the both sides of fixed frame 1, stopper 18's inside is inlayed and is had location axle 19, screw rod 20 has been run through to the inside of location axle 19, the one end welding of screw rod 20 has knob 21, connecting axle 22 is installed to the other end of screw rod 20, screw rod 20 rotates with fixed frame 1 through connecting axle 22 and is connected, connecting axle 22 and fixed frame 1 interconnect, movable splint 23 has been cup jointed on screw rod 20's surface, movable splint 23's size is identical with stopper 18's opening size, thread groove 24 has been seted up to movable splint 23's inside, movable splint 23 passes through thread groove 24 and screw rod 20 threaded connection, the inboard laminating of movable splint 23 has rubber pad 25, above-mentioned structural design makes screw rod 20's rotation can drive movable splint 23 through thread groove 24 and remove, be favorable to movable splint 23 to drive rubber pad 25 and extrude and closely laminate LED street lamp, improve the convenience and the stability of being connected between heat radiation structure and the LED street lamp.

The working principle is as follows: when the heat dissipation structure of the LED street lamp is used, as shown in fig. 1 and fig. 3, the device is placed on the top of the LED street lamp, then the screw 20 is driven to rotate by rotating the knob 21, then the screw 20 rotates inside the limiting block 18 through the positioning shaft 19 and the connecting shaft 22, and the screw 20 drives the movable clamping plate 23 and the rubber pad 25 to move through the thread groove 24 in the rotating process until the rubber pad 25 is tightly attached to the LED street lamp, so that the installation work of the heat dissipation structure is completed.

In the using process, as shown in fig. 2 and fig. 3-5, in the using process of the heat dissipation structure, rainwater can enter the inside of the fixed frame 1 through the diversion of the rain shielding plate 17, the rainwater is stored between the heat dissipation fins 2 through the diversion of the diversion plate 3 again, so that the rainwater can dissipate heat generated by the heat dissipation fins 2, when the rainwater needs to be cleaned, through pressing the movable plate 8, the movable plate 8 slides in the inside of the limiting groove 5 and the surface of the positioning rod 6, and simultaneously drives the sealing plug 9 to separate from the through hole 4, so as to facilitate opening the through hole 4 and draining the rainwater, after draining, the spring 7 can push the movable plate 8 and the sealing plug 9 to closely attach to the through hole 4, so as to facilitate rainwater collection again, however, the servo motor 15 can drive the heat dissipation fan 16 to rotate, so that the heat dissipated by the heat dissipation fan 2 can be drained through the heat dissipation plate 14, the heat dissipation work of the LED street lamp is completed, when the heat dissipation fan 13 and the heat dissipation fan 16 need to be replaced and maintained, the outer frame 10 can be connected to facilitate maintenance of the connection groove and the outer frame 13 and the heat dissipation fan 16.

To thereby carry out a series of tasks, the contents of which are not described in detail in the present specification are known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a heat radiation structure of LED street lamp, includes fixed frame (1), fin (2) and radiator fan (16), its characterized in that: the heat dissipation device is characterized in that heat dissipation fins (2) are fixedly mounted inside the fixed frame (1), a guide plate (3) is welded between the heat dissipation fins (2), a through hole (4) is formed in the middle of the guide plate (3), limiting grooves (5) are formed in the inner portions of two ends of the fixed frame (1), a positioning rod (6) is fixedly mounted inside the limiting grooves (5), a spring (7) is connected to the surface of the positioning rod (6) in a winding manner, a movable plate (8) is fixedly connected to one end of the spring (7), a sealing plug (9) is mounted on the surface of the movable plate (8), the sealing plug (9) is tightly connected with the through hole (4), a connecting groove (10) is formed in the inner portion of the fixed frame (1), a connecting bolt (11) is connected to the inner thread of the connecting groove (10), a sleeve (12) is sleeved on the surface of the connecting bolt (11), the heat dissipation plate (12) is fixedly connected with an outer frame (13), a rain plate (14) is fixedly mounted at the top of the outer frame (13), a servo motor (15) is mounted at the top of the heat dissipation plate (14), a heat dissipation fan (16) is connected with a rain plate (17) at one end of the servo motor (15), and two rain plate (17) at the side of the rain plate (1), the inside of stopper (18) is inlayed and is had location axle (19), the inside of location axle (19) is run through screw rod (20), the one end welding of screw rod (20) has knob (21), connecting axle (22) are installed to the other end of screw rod (20), connecting axle (22) and fixed frame (1) interconnect, movable splint (23) have been cup jointed on the surface of screw rod (20), thread groove (24) have been seted up to the inside of movable splint (23), rubber pad (25) have been laminated to the inboard of movable splint (23).

2. The heat dissipation structure of an LED street lamp according to claim 1, wherein: fin (2) and guide plate (3) are equidistant distribution in the inside of fixed frame (1), guide plate (3) are located between both sides fin (2), guide plate (3) are the slant and distribute in the inboard of fin (2).

3. The heat dissipation structure of an LED street lamp according to claim 1, wherein: the size of spacing groove (5) is identical with the size of fly leaf (8), fly leaf (8) constitute extending structure through spring (7) and spacing groove (5), sealing plug (9) are installed to the surface of fly leaf (8) equidistant, sealing plug (9) and through-hole (4) one-to-one.

4. The heat dissipation structure of an LED street lamp according to claim 1, wherein: the connecting bolt (11) is in threaded connection with the connecting groove (10), and the connecting bolt (11) and the sleeve (12) are symmetrically arranged relative to the central line of the outer frame (13).

5. The heat dissipation structure of an LED street lamp according to claim 1, wherein: servo motor (15) and radiator fan (16) are around the central line symmetry setting of fixed frame (1), weather shield (17) are the slant and distribute at the top of outer frame (13).

6. The heat dissipation structure of an LED street lamp according to claim 1, wherein: the screw rod (20) is rotationally connected with the fixed frame (1) through a connecting shaft (22), the movable clamping plate (23) is in threaded connection with the screw rod (20) through a thread groove (24), and the size of the movable clamping plate (23) is identical with the opening size of the limiting block (18).