CN214700437U

CN214700437U - Novel low-power LED energy-saving street lamp

Info

Publication number: CN214700437U
Application number: CN202121386856.9U
Authority: CN
Inventors: 张超; 程勇; 焦军飞
Original assignee: Henan Province Taimao Lighting Technology Engineering Co ltd
Current assignee: Henan Province Taimao Lighting Technology Engineering Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-11-12
Anticipated expiration: 2031-06-22

Abstract

The invention discloses a novel low-power LED energy-saving street lamp, which comprises a lamp holder and a lamp body arranged in the lamp holder, wherein a radiating fin is arranged on the lamp holder, one side surface of the radiating fin is tightly attached to the lamp body, and the other side surface of the radiating fin extends out of the lamp holder; the lamp holder is provided with a mounting frame, the mounting frame is provided with a fan, and the fan rotates to enable airflow on the side face, extending out of the lamp holder, of the radiating fin to flow. The technical scheme of the utility model. According to the technical scheme, the fan is arranged on the radiating fin, the fan rotates to stir airflow near the radiating fin to flow so as to take away heat led out by the radiating fin, meanwhile, dust is not easy to fall onto the radiating fin due to airflow flowing, efficient radiating of the radiating fin is guaranteed for a long time, and long-time stable work of the street lamp is guaranteed.

Description

Novel low-power LED energy-saving street lamp

Technical Field

The invention relates to the field of LED energy-saving street lamps, in particular to a novel low-power LED energy-saving street lamp.

Background

In the prior art, aiming at the problem of poor heat dissipation caused by long-time lighting of a low-power LED energy-saving street lamp, a common method is to add a heat radiating fin on the low-power LED energy-saving street lamp, and to lead away heat generated by a lamp body in time and radiate the heat to the atmospheric environment through the heat radiating fin, so that the heat is prevented from being gathered in the lamp to influence the work of the street lamp.

One of the common heat dissipation fin structures is shown in patent with application number CN202022412124.4, the heat dissipation effect of the heat dissipation fin with such a structure is not very good in practical use, because the dustproof housing is disposed outside the heat dissipation fin, and the heat led out from the heat dissipation fin is gathered together to block the heat from flowing outwards in time, although the purpose of disposing the dustproof housing is to prevent the dust from falling on the heat dissipation fin to reduce the heat dissipation efficiency of the heat dissipation fin, the existence of the dustproof mesh blocks the dust from entering the dustproof housing on the one hand, and blocks the heat in the dustproof housing from escaping outwards on the other hand, so the heat dissipation efficiency is not ideal in practical use.

Based on this, the present invention was devised.

Disclosure of Invention

The invention mainly aims to provide a novel low-power LED energy-saving street lamp, which aims to realize the dustproof effect of a radiating fin, simultaneously does not influence the outward escape of heat LED out by the radiating fin, ensures that the radiating fin has good radiating efficiency and ensures the long-time stable work of the street lamp.

In order to achieve the purpose, the novel low-power LED energy-saving street lamp provided by the invention comprises a lamp holder and a lamp body arranged in the lamp holder, wherein the lamp holder is provided with a radiating fin, one side surface of the radiating fin is tightly attached to the lamp body, and the other side surface of the radiating fin extends out of the lamp holder;

the lamp holder is provided with a mounting frame, the mounting frame is provided with a fan, and the fan rotates to enable airflow on the side face, extending out of the lamp holder, of the radiating fin to flow.

In one embodiment, the fan comprises a rotating shaft and fan blades, the rotating shaft is rotatably mounted on the mounting frame, and the fan blades are close to one side face, extending out of the lamp holder, of the radiating fin.

In one embodiment, the fan blades are provided with bristles which are in contact with one side surface of the radiating fin extending out of the lamp holder.

In one embodiment, the fan further comprises a driving mechanism for driving the fan to rotate.

In one embodiment, the driving mechanism comprises a gear ring and a motor for driving the gear ring to rotate, the motor is arranged on the mounting frame, and the gear ring is coaxially and fixedly connected with the rotating shaft.

In one embodiment, the driving mechanism comprises a motor and a gear ring, the motor is arranged on the mounting frame, the gear ring is coaxially and rotatably connected with the rotating shaft, a shifting rod is arranged on the gear ring, and the gear ring shifts the fan blades to rotate through the shifting rod when rotating.

In one embodiment, the lamp further comprises a temperature sensor for detecting the temperature of the lamp body and a single chip microcomputer for controlling the start and stop of the motor according to data information obtained by the temperature sensor.

In one embodiment, when the fan blades rotate around the rotating shaft, the bristles push sundries on one side surface of the lamp holder, extending out of the heat radiating fin, to the edge of the side surface.

According to the technical scheme, the fan is arranged on the radiating fin, the fan rotates to stir airflow near the radiating fin to flow so as to take away heat led out by the radiating fin, meanwhile, dust is not easy to fall onto the radiating fin due to airflow flowing, efficient radiating of the radiating fin is guaranteed for a long time, and long-time stable work of the street lamp is guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a top view of a low power LED energy-saving street lamp of the present invention;

FIG. 2 is a cross-sectional view B-B of FIG. 1;

FIG. 3 is a schematic view of the structure of FIG. 1 with the mounting bracket removed;

fig. 4 is an enlarged view of a portion a in fig. 2.

The reference numerals are explained below:

1. a lamp socket; 2. a lamp body; 3. a heat sink; 4. a fan blade; 5. brushing; 6. a rotating shaft; 7. a mounting frame; 8. a ring gear; 9. a deflector rod; 10. a motor; 11. a single chip microcomputer; 12. a temperature sensor; 13. a sealing strip.

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.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a novel low-power LED energy-saving street lamp, aiming at solving the problem that the prior invention provides a street lamp with insufficient heat dissipation performance.

Referring to fig. 1 and 2, in an embodiment of the invention, the low-power LED energy-saving street lamp includes a lamp holder 1 and a lamp body 2 disposed in the lamp holder 1, a heat sink 3 is disposed on the lamp holder 1, a lower surface of the heat sink 3 is tightly attached to the lamp body 2, and an upper surface of the heat sink extends out of the lamp holder 1 and contacts with the outside; therefore, heat generated by the working of the lamp body 2 can be taken away by the radiating fins 3 and is finally radiated to the external environment by the radiating fins 3, and the radiating efficiency is high because the radiating fins 3 are directly contacted with the external environment and are not blocked by a dustproof shell;

as shown in fig. 1 and 2, demountable installation has mounting bracket 7 on the lamp stand 1, be equipped with the fan on the mounting bracket 7, the fan rotates and makes the air current on the side that fin 3 stretches out lamp stand 1 flow, and the existence of fan makes the heat that fin 3 draws can in time be taken away by the air current that flows, has further improved the radiating efficiency, and the air current of fin 3 upper surface flows and also makes the dust be difficult to drop on fin 3 moreover, kills two birds with one stone.

In this embodiment, the heat sink 3 and the lamp holder 1 are sealed by a sealing strip 13 to prevent outside moisture from entering the lamp holder 1 and affecting the safety of the lamp body 2.

In this embodiment, the fan may be an unpowered fan or a powered fan, and when the fan is an unpowered fan, the fan is driven to rotate by the flow of the external air flow, and further, the fan has a structure as shown in fig. 1 to 4, the fan includes a rotating shaft 6 and fan blades 4, the rotating shaft 6 is rotatably mounted on the mounting frame 7, and the fan blades 4 are close to a side surface of the heat sink 3 extending out of the lamp holder 1.

Further, in this embodiment, the fan blade 4 is provided with the brush hair 5 contacting with the upper surface of the heat sink 3, as shown in fig. 4, the brush hair 5 continuously rotates to brush away the impurities on the upper surface of the heat sink 3 when the fan rotates, and further, the shape of the fan blade 4 is as shown in fig. 3, so that the brush hair 5 pushes the impurities on the upper surface of the heat sink 3 to the edge when the fan blade 4 rotates around the rotating shaft 6, and finally the impurities leave the upper surface of the heat sink 3 and fall onto the lamp holder 1, thereby ensuring the cleanness and tidiness of the surface of the heat sink 3, and being helpful for the heat sink 3 to maintain efficient heat dissipation for a long time.

When the fan is a powered fan, the fan comprises a rotating shaft 6 and fan blades 4 and also comprises a driving mechanism for driving the fan to rotate, as shown in fig. 1-4, the driving mechanism comprises a gear ring 8 and a motor 10 for driving the gear ring 8 to rotate, the motor 10 is arranged on an installation frame 7, the gear ring 8 is coaxially and fixedly connected with the rotating shaft 6, after the motor 10 is started, the motor 10 drives the gear ring 8 to rotate, the gear ring 8 rotates to drive the rotating shaft 6 to rotate, and the rotating shaft 6 rotates to drive the fan blades 4 to rotate; certainly, in other embodiments, the gear ring 8 may be coaxially and rotatably connected with the rotating shaft 6, and meanwhile, the gear ring 8 is provided with a shift lever 9, as shown in fig. 4, when the gear ring 8 rotates, the fan blade 4 is shifted by the shift lever 9 to rotate, and the rotating shaft 6 and the gear ring 8 rotate independently without affecting each other, so that the design has the advantage that a small amount of wind can blow the fan blade 4 to rotate, that is, the fan blade 4 can rotate without being driven by the motor 10 for a long time, which is very energy-saving, and when the gear ring 8 is fixed on the rotating shaft 6, the fan blade 4 is required to rotate by a larger amount of wind undoubtedly, but the gear ring 8 is equivalent to an energy storage flywheel, and once the fan blade 4 is blown by a large amount of wind to rotate at a high speed, the presence of the gear ring 8 can ensure that the fan blade 4 can rotate for a longer time, which is beneficial to keeping the upper surface of the heat dissipation sheet 3 clean and tidy.

Further, in this embodiment, when the fan is a powered fan, the low-power LED energy-saving street lamp further includes a temperature sensor 12 for detecting the temperature of the lamp body 2 and a single chip 11 for controlling the start and stop of the motor 10 according to data information obtained by the temperature sensor 12, when the temperature of the lamp body 2 exceeds a preset warning value, the single chip 11 controls the motor 10 to start and actively accelerate heat dissipation and cooling of the heat sink 3 according to the temperature data transmitted by the temperature sensor 12, and after the temperature of the lamp body 2 returns to normal, the single chip 11 controls the motor 10 to stop rotating, and the fan blades 4 are blown by external air flow to rotate.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A novel low-power LED energy-saving street lamp comprises a lamp holder and a lamp body arranged in the lamp holder, and is characterized in that a radiating fin is arranged on the lamp holder, one side surface of the radiating fin is tightly attached to the lamp body, and the other side surface of the radiating fin extends out of the lamp holder;

2. The low-power LED energy-saving street lamp according to claim 1, wherein the fan comprises a rotating shaft and fan blades, the rotating shaft is rotatably mounted on the mounting frame, and the fan blades are close to one side surface of the heat dissipation plate extending out of the lamp holder.

3. The low-power LED energy-saving street lamp according to claim 2, wherein the fan blades are provided with bristles which are in contact with one side surface of the heat sink extending out of the lamp holder.

4. The low-power LED energy-saving street lamp according to claim 2, further comprising a driving mechanism for driving the fan to rotate.

5. The low-power LED energy-saving street lamp according to claim 4, wherein the driving mechanism comprises a gear ring and a motor for driving the gear ring to rotate, the motor is arranged on the mounting frame, and the gear ring is coaxially and fixedly connected with the rotating shaft.

6. The low-power LED energy-saving street lamp according to claim 4, wherein the driving mechanism comprises a motor and a gear ring, the motor is arranged on the mounting frame, the gear ring is coaxially and rotatably connected with the rotating shaft, a deflector rod is arranged on the gear ring, and the blades are driven to rotate by the deflector rod when the gear ring rotates.

7. The low-power LED energy-saving street lamp according to claim 5 or 6, further comprising a temperature sensor for detecting the temperature of the lamp body and a single chip for controlling the start and stop of the motor according to data information obtained by the temperature sensor.

8. The low-power LED energy-saving street lamp according to claim 3, wherein when the fan blades rotate around the rotating shaft, the brush hair pushes sundries on one side surface of the heat sink, which extends out of the lamp holder, to the edge of the side surface.