CN216924184U

CN216924184U - LED street lamp with high-efficient thermal diffusivity

Info

Publication number: CN216924184U
Application number: CN202123343816.9U
Authority: CN
Inventors: 夏寅; 夏学海; 朱杰
Original assignee: Yangzhou Dingming Lighting Co ltd
Current assignee: Yangzhou Dingming Lighting Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-07-08
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses an LED street lamp with high-efficiency heat dissipation, which comprises a bottom flange, a lamp post fixed on the bottom flange and a connecting part arranged at the top of the lamp post, wherein two ends of the connecting part are respectively connected with an LED lamp cap, a heat dissipation fin is arranged on the lamp cap, an accommodating groove is arranged on the connecting part between the two lamp caps, and a heat dissipation unit provided with a fan is placed in the accommodating groove, so that the aim of quickly dissipating heat is fulfilled.

Description

LED street lamp with high-efficient thermal diffusivity

Technical Field

The utility model belongs to the technical field of street lamps, and particularly relates to an LED street lamp with high-efficiency heat dissipation.

Background

Street lamps are the most important and basic facilities in urban lighting, and most common street lamps are LED street lamps which have the characteristics of high brightness, low energy consumption, high response speed and high safety.

Traditional LED street lamp all adopts louvre or radiating fin to dispel the heat, and the radiating efficiency is low, in the higher or higher area of operational environment temperature of summer temperature, causes the damage of original paper easily, influences the working life of street lamp.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims to solve the problems and provides an LED street lamp with high-efficiency heat dissipation.

The technical scheme is as follows: an LED street lamp with high-efficiency heat dissipation performance comprises a bottom flange, a lamp post fixed on the bottom flange and a connecting part arranged at the top of the lamp post, wherein the lamp post is of a tubular structure with a containing cavity inside, two ends of the connecting part are respectively connected with an LED lamp holder, a heat dissipation fin is arranged at the top of each LED lamp holder, a containing groove is formed in the connecting part, a heat dissipation unit capable of containing the containing groove is arranged at the containing groove, the heat dissipation unit comprises a heat dissipation box body, two air outlets formed in the two side surfaces of the heat dissipation box body, which are respectively close to the two LED lamp holders, and two air inlets formed in the two side surfaces of the heat dissipation box body, which are adjacent to the air outlets, each air outlet is respectively connected with one air inlet through an air inlet channel, and each air outlet is provided with a heat dissipation fan, the bottom of the heat dissipation box body is fixed with a connecting rod, a through hole is formed in the bottom of the containing groove, the through hole is communicated with the containing cavity, the connecting rod penetrates through the through hole to be connected with a lifting mechanism arranged in the containing cavity, a mounting plate is fixed in the containing cavity, and the lifting mechanism is fixed on the mounting plate through a mounting block.

Furthermore, the connecting part and the two LED lamp caps are of an integrally formed structure, and the integrally formed structure is more stable and attractive.

Further, the holding tank with the shape phase-match of heat dissipation box body.

Furthermore, the lifting mechanism is an electric telescopic rod, the structure of the electric telescopic rod is simpler, and the installation is more convenient.

Furthermore, the bottom flange and the lamp pole junction are provided with the strengthening rib for the installation of lamp pole is more firm.

Further, the diameter of the connecting rod is equal to that of the through hole.

Furthermore, the number of the radiating fins is multiple, and the radiating fins on each LED lamp cap are distributed in parallel at equal intervals, so that the radiating is more uniform.

Furthermore, when the heat dissipation box body is lifted by the lifting mechanism, the position of the air outlet and the position of the heat dissipation fins are at the same horizontal height, so that wind fanned out by the heat dissipation fan can be aligned to the heat dissipation fins, and the heat dissipation effect is better.

Has the advantages that: the lamp holder is provided with the radiating fins, the connecting part between the two lamp holders is provided with the containing groove, and the radiating unit provided with the fan is placed in the containing groove, so that the aim of quickly radiating heat is fulfilled.

Drawings

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

FIG. 2 is a structural diagram illustrating a raised state of a heat dissipating unit according to the present invention;

FIG. 3 is a schematic view of a structure of a heat removal unit according to the present invention;

FIG. 4 is a schematic diagram of an internal structure of the heat dissipation unit of the present invention;

FIG. 5 is a cross-sectional view of the present invention.

Reference numerals: 1, a bottom flange; 1.1 reinforcing ribs; 2, a lamp post; 2.1 an accommodating cavity; 2.2 mounting the plate; 3, a connecting part; 3.1 accommodating grooves; 3.2 through holes; 4LED lamp holder; 4.1 heat dissipation fins; 5 a heat dissipation unit; 5.1 heat dissipation box body; 5.2 air outlet; 5.3 air inlet; 5.4 air inlet channel; 5.5 a heat dissipation fan; 5.6 connecting rods; 5.7 a lifting mechanism; 5.8 installing the block.

Detailed Description

The utility model will be further described with reference to the accompanying drawings.

As shown in fig. 1-5: the utility model provides a LED street lamp with high-efficient thermal diffusivity, includes bottom flange 1, fixes lamp pole 2 on bottom flange 1 and sets up connecting portion 3 at lamp pole 2 top, its characterized in that: the lamp post 2 is a tubular structure with an accommodating cavity 2.1 inside, two ends of the connecting part 3 are respectively connected with one LED lamp holder 4, the top of each LED lamp holder 4 is provided with a heat radiating fin 5.1, the top of the connecting part 3 is provided with an accommodating groove 3.1, a heat radiating unit 5 capable of accommodating the accommodating groove 3.1 is arranged at the position of the accommodating groove 3.1, the heat radiating unit 5 comprises a heat radiating box body 5.1, two air outlets 5.2 arranged at two side surfaces of the heat radiating box body 5.1 respectively close to the two LED lamp holders 4, two air inlets 5.3 arranged at two side surfaces of the heat radiating box body 5.1 adjacent to the air outlets 5.2, each air outlet 5.2 is respectively connected with one air inlet 5.3 through one air inlet channel 5.4, one heat radiating fan 5.5 is arranged at each air outlet 5.2, a connecting rod 5.6 is fixed at the bottom of the heat radiating box body 5.1, through-hole 3.2 has been seted up to holding tank 3.1's bottom, through-hole 3.2 with it is linked together to hold chamber 2.1, connecting rod 5.6 passes through-hole 3.2 is connected with the elevating system 5.7 that sets up in holding chamber 2.1, it has mounting panel 2.2 to hold chamber 2.1 internal fixation, elevating system 5.7 is fixed through installation piece 5.8 on the mounting panel 2.2.

The connecting part 3 and the two LED lamp caps 4 are of an integrally formed structure; the shape of the accommodating groove 3.1 is matched with that of the heat dissipation box body 5.1; the lifting mechanism 5.7 is an electric telescopic rod; a reinforcing rib 1.1 is arranged at the joint of the bottom flange 1 and the lamp post 2; the diameter of the connecting rod 5.6 is equal to that of the through hole 3.2; the number of the heat radiating fins 4.1 is multiple, the heat radiating fins 4.1 on each LED lamp cap are distributed in parallel at equal intervals, and when the heat radiating box body 5.1 is lifted by the lifting mechanism, the position of the air outlet 5.2 and the position of the heat radiating fins 4.1 are at the same horizontal height.

The working principle is as follows: when the LED street lamp works, the connecting rod is pushed upwards through the electric telescopic rod, so that the heat dissipation box body is driven to rise, the air outlet and the heat dissipation fins are positioned at the same horizontal height, the LED lamp cap can be actively dissipated heat after the heat dissipation fan is started, and when the LED street lamp is closed, the heat dissipation box body is lowered into the accommodating groove.

The lamp holder is provided with the heat dissipation fins, the connecting part between the two lamp holders is provided with the accommodating groove, and the heat dissipation unit provided with the fan is placed in the accommodating groove, so that the aim of quickly dissipating heat is fulfilled.

While the utility model has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the utility model as defined in the following claims.

Claims

1. The utility model provides a LED street lamp with high-efficient thermal diffusivity, includes bottom flange (1), fixes lamp pole (2) on bottom flange (1) and sets up connecting portion (3) at lamp pole (2) top, its characterized in that: the lamp pole (2) is of a tubular structure with an accommodating cavity (2.1) inside, two ends of the connecting part (3) are respectively connected with one LED lamp holder (4), the top of each LED lamp holder (4) is provided with a heat radiating fin (5.1), the top of the connecting part (3) is provided with an accommodating groove (3.1), the accommodating groove (3.1) is provided with a heat radiating unit (5) capable of accommodating the accommodating groove (3.1), the heat radiating unit (5) comprises a heat radiating box body (5.1), two air outlets (5.2) arranged on two side faces of the heat radiating box body (5.1) and respectively close to the two LED lamp holders (4), and two air inlets (5.3) arranged on two side faces of the heat radiating box body (5.1) and adjacent to the air outlets (5.2), each air outlet (5.2) is respectively connected with one air inlet (5.3) through one air inlet channel (5.4), every gas outlet (5.2) department all is provided with a radiator fan (5.5), heat dissipation box body (5.1) bottom is fixed with connecting rod (5.6), through-hole (3.2) have been seted up to the bottom of holding tank (3.1), through-hole (3.2) with it is linked together to hold chamber (2.1), connecting rod (5.6) are passed through-hole (3.2) are connected with elevating system (5.7) that set up in holding chamber (2.1), it has mounting panel (2.2) to hold chamber (2.1) internal fixation, elevating system (5.7) are fixed through installation piece (5.8) on mounting panel (2.2).

2. The LED street lamp with high heat dissipation efficiency as set forth in claim 1, wherein: the connecting part (3) and the two LED lamp caps (4) are of an integrated structure.

3. The LED street lamp with high heat dissipation efficiency as set forth in claim 1, wherein: the shape phase-match of holding tank (3.1) with heat dissipation box body (5.1).

4. The LED street lamp with high heat dissipation efficiency as set forth in claim 1, wherein: the lifting mechanism (5.7) is an electric telescopic rod.

5. The LED street lamp with high heat dissipation efficiency as set forth in claim 1, wherein: and a reinforcing rib (1.1) is arranged at the joint of the bottom flange (1) and the lamp post (2).

6. The LED street lamp with high heat dissipation efficiency as set forth in claim 1, wherein: the diameter of the connecting rod (5.6) is equal to that of the through hole (3.2).

7. The LED street lamp with high heat dissipation efficiency as set forth in claim 1, wherein: the number of the radiating fins (4.1) is multiple, and the radiating fins (4.1) on each LED lamp cap are distributed in parallel at equal intervals.